On-site electrical device

Abstract

According to one aspect of the present invention, an on-site electrical device is provided with a first switch, a first manual operation member, and a support body. The first switch includes a first movable piece capable of moving in a first direction. The first manual operation member includes a first operation portion and a first arm. The first operation part is separated from the first movable piece in a second direction. The second direction is opposite to the first direction. The first arm has a first end connected to the support body and a second end connected to the first operation part. The first end is separated from a first reference surface in the first direction. The first reference surface is orthogonal to the first direction and passes through the second end. The first operation unit is displaced in the first direction by a manual operation, thereby applying the first load to the first movable piece.

Description

TECHNICAL FIELD

[0001] The present application relates to a field electrical device provided with a manually operated switch. BACKGROUND

[0002] Japanese Patent No. 6400636 discloses an electric power tool provided with a push button switch. In the electric power tool, a switch portion is disposed directly above the push button switch. The switch portion is pressed by a user of the electric power tool. In correspondence with the switch portion being pressed, the push button switch is operated by the switch portion. SUMMARY

[0003] According to such an electric power tool, it is desirable that the user can easily operate the push button switch with the switch portion with a moderate force.

[0004] One aspect of the present application is to reduce the force required for a user to operate a switch in a field electrical device provided with the switch.

[0005] In the present application, the terms "first", "second", and the like are merely intended to distinguish elements from one another, and are not intended to limit the order or the number of the elements. Therefore, the first element can be referred to as the second element, and likewise, the second element can be referred to as the first element. In addition, the first element can be provided without the second element, and likewise, the second element can be provided without the first element. Furthermore, the expression "A, B,... and / or Z" (A, B, Z are arbitrary terms) in the present application means "at least one of A, B,... and Z".

[0006] One aspect of the present application provides a field electrical device provided with a first switch, a first manually operated member, and a support body.

[0007] The first switch has a first movable piece. The first movable piece moves in a first direction in correspondence with a first load in the first direction being received.

[0008] The first manually operated member is provided with a first operation portion and a first arm.

[0009] The first operation portion is disposed at a position where the first movable piece is away from a second direction. The second direction is opposite to the first direction. The first operation portion is displaced in the first direction in correspondence with the first manually operated member being manually operated, whereby the first load is applied to the first movable piece.

[0010] The first arm has a first end and a second end. The second end is connected to the first operation portion. The first end is spaced apart from the first reference surface in the first direction by a distance in the first initial state. The first initial state corresponds to a state in which the first manual operation member is not manually operated. The first reference surface is an imaginary plane orthogonal to the first direction and passing through the second end.

[0011] The support body is connected to the first end of the first arm, whereby the first manual operation member is supported.

[0012] According to the on-site electrical apparatus thus configured, the first end of the first arm is positioned closer to the first direction side than the second end. Therefore, it is possible to reduce the force required for a user to operate the switch. BRIEF DESCRIPTION OF DRAWINGS

[0013] Hereinafter, exemplary embodiments of the present application will be described with reference to the accompanying drawings.

[0014] Figure 1 is a perspective view of an on-site electrical apparatus of a first embodiment.

[0015] Figure 2 is an explanatory view showing an electrical configuration of the on-site electrical apparatus of the first embodiment.

[0016] Figure 3 is a perspective view of a switch unit and a controller of the first embodiment.

[0017] Figure 4 is an exploded perspective view of the switch unit of the first embodiment.

[0018] Figure 5 is a perspective view of a switch board of the first embodiment.

[0019] Figure 6 is a partial plan view of the switch unit of the first embodiment.

[0020] Figure 7 is a perspective view of a section VII-VII in Figure 6 .

[0021] Figure 8 is a sectional view of a section VIII-VIII in Figure 6 .

[0022] Figure 9 is a sectional view of the section VIII-VIII in the state in which the operation portion is pressed down.

[0023] Figure 10 is a perspective view of an on-site electrical apparatus of a second embodiment.

[0024] Figure 11This is an explanatory diagram showing the electrical configuration of the field electrical equipment according to the second embodiment.

[0025] Figure 12 This is a perspective view of the switching unit and controller according to the second embodiment.

[0026] Figure 13 This is an exploded perspective view of the switching unit according to the second embodiment.

[0027] Figure 14 This is a top view of the switching unit according to the second embodiment.

[0028] Figure 15 yes Figure 14 A three-dimensional view of the XV-XV section.

[0029] Figure 16 yes Figure 14 A sectional view of section XVI-XVI in the image.

[0030] Figure 17 This is a cross-sectional view of section XVI-XVI with the operating part pressed down.

[0031] Figure 18 This is a perspective view of the first housing and the switching unit in the unassembled state of the second embodiment.

[0032] Figure 19 This is a perspective view of the switch unit of the second embodiment being embedded in the first housing during the assembly process.

[0033] Figure 20 This is a perspective view illustrating the assembly of the second outer casing during the assembly process of the second embodiment.

[0034] Figure 21 This is a top view of the switching unit according to the third embodiment.

[0035] Figure 22 This is an exploded perspective view of the switching unit according to the third embodiment.

[0036] Figure 23 yes Figure 21 A three-dimensional view of section XXIII-XXIII.

[0037] Figure 24 This is an explanatory diagram illustrating the structural features of the switching unit in the third embodiment.

[0038] Figure 25 This is a top view of the switching unit according to the fourth embodiment.

[0039] Figure 26 This is an exploded perspective view of the switching unit in the fourth embodiment.

[0040] Figure 27 is Figure 25 is a perspective view of a cross section of XXVII-XXVII in

[0041] Figure 28 is an explanatory view for explaining structural features of the switch unit of the 4th embodiment.

[0042] Figure 29 is a cross-sectional view showing a modification of the switch unit. DETAILED DESCRIPTION

[0043] 1. SUMMARY

[0044] An embodiment can provide a field electrical device having at least any one of the following features.

[0045] • Feature 1: A first switch.

[0046] • Feature 2: The first switch has a first movable piece (or a first movable portion, or a first press bar, or a first actuator).

[0047] • Feature 3: The first movable piece is configured to move toward a first direction.

[0048] • Feature 4: The first movable piece is configured to move toward the first direction in correspondence with receiving a first load in the first direction.

[0049] • Feature 5: A first manual operation member (or a first manual operation portion). The first manual operation member can also be configured to be manually operated by a user of the field electrical device.

[0050] • Feature 6: The first manual operation member has a first operation portion (or a first operation body, or a first button).

[0051] • Feature 7: The first operation portion is disposed at a position where the first movable piece is apart toward a second direction. The first operation portion can also be configured to be manually operated (e.g., pressed toward the first direction) by the user.

[0052] • Feature 8: The second direction is opposite to the first direction.

[0053] • Feature 9: The first operation portion is configured to be displaced toward the first direction in correspondence with being manually operated toward the first direction.

[0054] • Feature 10: The first operation portion is configured to be displaced toward the first direction in correspondence with being manually operated toward the first direction, whereby the first load is applied to the first movable piece.

[0055] • Feature 11: The first manually-operable member includes a first arm.

[0056] • Feature 12: The first arm includes a first end.

[0057] • Feature 13: The first arm includes a second end.

[0058] • Feature 14: The second end is connected to the first operation portion.

[0059] • Feature 15: The first end is spaced apart from a first reference plane in the first direction in a first initial state.

[0060] • Feature 16: The first initial state is a state in which the first manually-operable member is not manually operated.

[0061] • Feature 17: The first reference plane is an imaginary plane orthogonal to the first direction and passing through the second end.

[0062] • Feature 18: A support body.

[0063] • Feature 19: The support body is connected to the first end of the first arm.

[0064] • Feature 20: The support body is connected to the first end of the first arm, whereby the first manually-operable member is supported.

[0065] In the electrical device for use in a field including at least features 1 to 20, the first end of the first arm is positioned closer to the first direction side than the second end. Therefore, the force required for the user to operate the first switch can be reduced.

[0066] The first manually-operable member can be configured to be displaced in the first direction in correspondence with the first operation portion being pressed in the first direction. The first operation portion can be configured to directly or indirectly contact the first movable piece, whereby the first movable piece is subjected to the first load.

[0067] The first operation portion can be configured to be directly manually operated by the user. The first operation portion can be configured to be indirectly manually operated by the user. Specifically, a first prescribed member (e.g., a cover or a film) can be provided on the second direction side of the first operation portion. Also, the first operation portion can be manually operated from the first prescribed member by the user manually operating the first prescribed member. That is, the first operation portion can be indirectly manually operated by the user with the aid of the first prescribed member.

[0068] The first switch can also have a first electrical contact. The first electrical contact can be configured to be closed or opened in correspondence with the first movable piece moving in the first direction (or moving by a certain length or more). The first switch can be configured to perform so-called momentary action, or can be configured to perform so-called alternate action.

[0069] The first movable piece can also be in a first initial position in the first initial state. The first movable piece can be configured to move in the first direction (or move by a certain length or more) from the first initial position in correspondence with the first load in the first direction being accepted.

[0070] The first arm can also extend arbitrarily from the first operation portion. The first arm can have a shape of a long and thin plate (or a rod). A first distance from the first reference surface to the first arm can change depending on the position of the first arm. The first distance can continuously or discontinuously increase, for example, from the second end to the first end of the first arm. There can be a range in which the first distance decreases between the second end and the first end.

[0071] The first end of the first arm can define a boundary portion with the support body, or can define a prescribed range or position in the boundary portion. Specifically, the first end of the first arm can define the entirety of a connection surface (i.e., a cross section) that connects with the support body, or can define a prescribed range or position (e.g., an end portion or an intermediate position in the first direction) in the connection surface.

[0072] The second end of the first arm can define a boundary portion with the first operation portion, or can define a prescribed range or position in the boundary portion. Specifically, the second end of the first arm can define the entirety of a connection surface (i.e., a cross section) that connects with the first operation portion, or can define a prescribed range or position (e.g., an end portion or an intermediate position in the first direction) in the connection surface.

[0073] The first operation portion, the first arm, and the support body can be integrally formed. That is, an integrally formed product described later can include at least two of the first operation portion, the first arm, and the support body.

[0074] The certain embodiment can have at least any one of the following features in addition to having at least any one of features 1 to 20, or instead of having at least any one of features 1 to 20.

[0075] ・Feature 21: The first movable piece has a switch surface, which (i) corresponds to a surface of the first movable piece, and (ii) is configured to be contacted by the first operation portion, whereby the first load is accepted from the first operation portion.

[0076] ・Feature 22: An arm distal end distance is equal to or greater than a switch surface distance. The arm distal end distance is a distance along the first direction from the first reference surface to a first end of the first arm in the first initial state, or to an end in the first direction in the first end. The switch surface distance is a distance along the first direction from the first reference surface to the switch surface in the first initial state.

[0077] In the electrical device for field use having at least features 1 to 22, a vector of a force applied to the switch surface from the first operation portion can coincide with or approach the first direction. Accordingly, a force applied to the first operation portion from the user can be efficiently applied to the first movable piece.

[0078] The switch surface distance can also be a distance from the first reference surface to a pressing position. The pressing position is a position on the switch surface contacted by the first operation portion.

[0079] An embodiment can have at least any one of features 1 to 22, or instead, the following features.

[0080] ・Feature 23: The first manual operation member is configured to be displaced toward the first direction with the first end of the first arm as a fulcrum, in correspondence with the first operation portion being manually operated (or pressed) toward the first direction.

[0081] In the electrical device for field use having at least features 1 to 20 and 23, a vector of a force applied to the switch surface from the first operation portion can coincide with or approach the first direction. Accordingly, a force applied to the first operation portion from the user can be efficiently applied to the first movable piece.

[0082] The first manual operation member being displaced toward the first direction with the first end of the first arm as a fulcrum can also be described as the first operation portion being displaced toward the first direction with the first end of the first arm as a fulcrum.

[0083] A moving direction of the first operation portion at a moment when the first movable piece starts to receive a load from the first operation portion can coincide with or approach the first direction.

[0084] During a period from when the first operation portion is manually operated until when the first movable piece starts to be loaded, the fulcrum (i.e., the first end of the first arm) can not move or can slightly move.

[0085] In addition to having at least any one of features 1 to 23, or instead of having at least any one of features 1 to 23, the embodiment can have at least any one of the following features.

[0086] Feature 24: The first arm has a first start portion.

[0087] Feature 25: The first start portion corresponds to a portion (i.e., a portion including the first end) extending from the first end of the first arm toward a first extension start direction. The first extension start direction is orthogonal to the first direction.

[0088] Feature 26: The first arm has a first continuation portion.

[0089] Feature 27: The first continuation portion corresponds to a portion extending from an end of the first start portion (i.e., an end on the side opposite the first end) toward a first extension continuation direction. The first extension continuation direction is orthogonal to the first direction. The first continuation portion can include the second end of the first arm.

[0090] Feature 28: The first extension continuation direction is different from the first extension start direction.

[0091] In the on-site electrical device having at least features 1 to 20 and 24 to 28, the length of the first arm can be increased, and accordingly, the force required to move the first movable piece can be reduced. In addition, compared to a case in which the entire first arm is linear, the space around the first arm can be effectively utilized.

[0092] The first extension start direction can also be described as follows: when the first arm is viewed from the outside of the first arm along a reference surface orthogonal direction, the direction in which the first arm extends from the first end. The reference surface orthogonal direction is a direction orthogonal to the first reference surface. Alternatively, the first extension start direction can also be described as follows: a component (or a vector component) of a direction parallel to the first reference surface among the direction (or a vector of the direction) in which the first arm extends from the first end.

[0093] The first extension continuation direction can also be described as a direction in which the first continuation portion extends from the end of the first start portion when the first arm is viewed from the outside in the reference surface orthogonal direction. Alternatively, the first extension continuation direction can also be described as a component (or a vector component) of a direction parallel to the first reference surface among directions (or vectors) in which the first continuation portion extends from the end of the first start portion.

[0094] The embodiment can have at least any one of the following features in addition to having at least any one of features 1 to 28, or instead of having at least any one of features 1 to 28.

[0095] • Feature 29: The first arm has a width and a thickness. The width is two times or more the thickness.

[0096] • Feature 30: The width is a length in a direction orthogonal to a direction in which the first arm extends and parallel to the first reference surface.

[0097] • Feature 31: The thickness is a length in a direction orthogonal to the direction in which the first arm extends and the width.

[0098] In the on-site electrical apparatus having at least features 1 to 20, 29 to 31, a case in which the first arm is twisted when the first operation portion is manually operated by the user is suppressed or prevented. Being twisted can include being displaced in a rotation direction with the extension direction of the first operation portion as a rotation axis.

[0099] The embodiment can have at least any one of the following features in addition to having at least any one of features 1 to 31, or instead of having at least any one of features 1 to 31.

[0100] • Feature 32: The support body has a first opening.

[0101] • Feature 33: The first opening penetrates in the first direction.

[0102] • Feature 34: The first manual operation member is disposed in the first opening.

[0103] • Feature 35: A light emitter.

[0104] • Feature 36: The light emitter is disposed at a position that departs from the first opening toward the first direction.

[0105] • Feature 37: The light emitter is configured to emit light through the first opening.

[0106] In the electrical device for a site having at least features 1 to 20 and 32 to 37, the space required for disposing the first switch and the light emitter can be reduced.

[0107] The first manually operated member can also partially block the first opening. The light emitter can also be configured to emit light at least toward the second direction. Some or all of the light emitted toward the second direction can be emitted toward the outside of the electrical device for a site through the first opening. The light emitter can have any shape capable of emitting light. The light emitter can be used for illumination. The light emitter can be used for providing information. An example of the light emitter includes an LED.

[0108] In addition to having at least any one of features 1 to 37, or instead of having at least any one of features 1 to 37, an embodiment can have at least any one of the following features.

[0109] • Feature 38: The support body has a first auxiliary arm (or auxiliary arm).

[0110] • Feature 39: The first auxiliary arm extends from the first end of the first arm toward a direction close to the first reference surface (i.e., the second direction or a direction including a component of the second direction).

[0111] • Feature 40: The first auxiliary arm has a first auxiliary end connected to the first end of the first arm.

[0112] • Feature 41: The first auxiliary arm has a second auxiliary end. The second auxiliary end can be an end on the opposite side of the first auxiliary end.

[0113] In the electrical device for a site having at least features 1 to 20 and 38 to 41, the first arm can be easily displaced with the first end as a fulcrum.

[0114] The first operation member, the first arm, and the first auxiliary arm can be integrally formed (i.e., can have a single-piece shape). That is, the integrally formed product described later can include at least two of the first operation member, the first arm, and the first auxiliary arm. The second auxiliary end can be connected to a prescribed portion of the support body.

[0115] In addition to having at least any one of features 1 to 41, or instead of having at least any one of features 1 to 41, an embodiment can have the following features.

[0116] ・Feature 42: A first plane distance of the first arm is longer than a second plane distance of the first auxiliary arm. The first plane distance is a distance in a direction parallel to the first reference plane (i.e., a direction along the first reference plane) from the first end to the second end of the first arm. The second plane distance is a distance in a direction parallel to the first reference plane from the first auxiliary end to the second auxiliary end of the first auxiliary arm.

[0117] In the electrical apparatus for a site provided with at least features 1 to 20, 38 to 42, the vector of the force applied to the switch surface from the first operation section can be made to coincide with or approach the first direction.

[0118] The embodiment can be provided with at least any one of the following features in addition to or instead of being provided with at least any one of features 1 to 42.

[0119] ・Feature 43: A first angle of the first arm is smaller than a second angle of the first auxiliary arm. The first angle is an angle formed by the first reference plane and a main extension direction. The main extension direction is a direction from the first end toward the second end of the first arm. The second angle is an angle formed by the first reference plane and an auxiliary extension direction. The auxiliary extension direction is a direction from the first auxiliary end toward the second auxiliary end of the first auxiliary arm. The first angle and the second angle are smaller than 90 degrees.

[0120] In the electrical apparatus for a site provided with at least features 1 to 20, 38 to 41, 43, the vector of the force applied to the switch surface from the first operation section can be made to coincide with or approach the first direction.

[0121] The embodiment can be provided with at least any one of the following features in addition to or instead of being provided with at least any one of features 1 to 43.

[0122] ・Feature 44: A unitary molded product including the first arm and the first auxiliary arm is provided. The unitary molded product can have a form of a single component.

[0123] ・Feature 45: The unitary molded product is provided with a flexure.

[0124] ・Feature 46: The flexure corresponds to a boundary between the first arm and the first auxiliary arm.

[0125] ・Feature 47: The flexure corresponds to a portion that is flexed in the unitary molded product. The flexure can be flexed toward the first direction and / or the second direction.

[0126] ・Feature 48: The bending portion is configured to elastically deform in correspondence with the first operation portion being manually operated in the first direction, thereby causing the first operation portion to be displaced in the first direction.

[0127] Feature 44 can also be described as the first arm and the first auxiliary arm being integrally formed, and / or the first arm, the first auxiliary arm, and the bending portion being integrally formed. The first arm and the first auxiliary arm can each extend from the bending portion so as to be proximate to the first reference surface.

[0128] In the on-site electrical device having at least features 1 to 20, 38 to 41, and 44 to 48, the first arm can be easily displaced with the first end thereof as a fulcrum. Also, such a structure can be easily achieved.

[0129] The integrally formed product can include the first operation portion. The elastic deformation of the bending portion can also be described as an angle formed by the first arm and the first auxiliary arm being expanded.

[0130] The embodiment can have at least any one of the following features in addition to or instead of at least any one of features 1 to 48.

[0131] ・Feature 49: The support body has a support member.

[0132] ・Feature 50: The second auxiliary end is integrally connected to the support member, whereby the support member supports the first manual operation member via the first auxiliary arm. The support member can be included in the integrally formed product.

[0133] ・Feature 51: The first auxiliary arm is configured to be elastically deformable with the second auxiliary end as a fulcrum.

[0134] ・Feature 52: The first spring constant is greater than the second spring constant.

[0135] ・Feature 53: The first spring constant is a spring constant of the second auxiliary end of the first auxiliary arm. The first spring constant indicates a degree of difficulty of elastic deformation of the root of the first auxiliary arm (i.e., the second auxiliary end) with respect to the support member. The elastic deformation of the second auxiliary end can occur based on a force applied to the first auxiliary arm from the first operation portion via the first arm. The force can be applied in correspondence with the first operation portion being manually operated in the first direction.

[0136] ・Feature 54: The second spring constant indicates the easiness or difficulty of elastic deformation of the bent portion. The elastic deformation of the bent portion can also occur based on a force applied to the first arm from the first operation portion. The force can also be applied in correspondence with the first operation portion being manually operated in the first direction.

[0137] In the on-site electrical device having at least features 1 to 20, 38 to 41, 44 to 54, the elastic deformation of the second auxiliary end based on the manual operation of the first operation portion can be suppressed compared to the elastic deformation of the bent portion. Alternatively, the elastic deformation of the second auxiliary end can be prevented. Accordingly, the first arm can be easily displaced with the bent portion as a fulcrum.

[0138] The support member can also have a plate shape. The first opening can also be provided to the support member. The entire support body can also be integrally formed.

[0139] The certain embodiment can have at least any one of the following features in addition to having at least any one of features 1 to 54, or instead of having at least any one of features 1 to 54.

[0140] ・Feature 55: A second switch.

[0141] ・Feature 56: The second switch has a second movable piece (or a second movable portion, or a second pressing rod, or a second actuator).

[0142] ・Feature 57: The second movable piece is configured to move in the first direction in correspondence with receiving a second load in the first direction.

[0143] ・Feature 58: A second manual operation member. The second manual operation member can be configured to be manually operated (for example, pressed in the first direction) by a user.

[0144] ・Feature 59: The second manual operation member has a second operation portion (or a second button).

[0145] ・Feature 60: The second operation portion is disposed at a position where the second movable piece is apart from the second direction. The second operation portion can be configured to be manually operated (for example, pressed in the first direction) by the user.

[0146] ・Feature 61: The second operation portion is configured to be displaced in the first direction in correspondence with being manually operated in the first direction.

[0147] • Feature 62: The second operation portion is configured to be displaced toward the first direction in correspondence with the manual operation toward the first direction, whereby the second movable piece is applied with the second load. The second operation portion can also be configured to directly or indirectly contact the second movable piece, whereby the second movable piece is applied with the second load.

[0148] • Feature 63: The second manual operation member has a second arm.

[0149] • Feature 64: The second arm has a first end.

[0150] • Feature 65: The second arm has a second end.

[0151] • Feature 66: The second end of the second arm is connected to the second operation portion.

[0152] • Feature 67: The first end of the second arm is spaced apart from a second reference surface toward the first direction in a second initial state.

[0153] • Feature 68: The second initial state is a state in which the second manual operation member is not manually operated.

[0154] • Feature 69: The second reference surface is orthogonal to the first direction.

[0155] • Feature 70: The second reference surface is a virtual plane passing through the second end of the second arm.

[0156] The first end of the second arm can be connected to the support body. The first end of the second arm can be connected to another support body different from the support body. The support body or the other support body can have a second auxiliary arm. The second auxiliary arm can have the same or similar configuration as the first auxiliary arm. The first end of the second arm can be connected to a first end of the second auxiliary arm. A second end of the second auxiliary arm can be connected to the support member of the support body or a support member of the other support body. The second arm and the second auxiliary arm can have features corresponding to the features of the first arm and the first auxiliary arm among the aforementioned features 1 to 54.

[0157] In the on-site electrical equipment having at least features 1 to 20 and 55 to 70, the first end of the second arm is positioned closer to the first direction side than the second end of the second arm. Therefore, the force required for the user to operate the second switch can be reduced.

[0158] The second reference surface can also be parallel to the first reference surface. The second reference surface can also coincide with the first reference surface.

[0159] The second operation portion can also be directly manually operated by the user.

[0160] The second operation portion can also be indirectly manually operated by the user. Specifically, a second prescribed member (for example, a cover or a film) can be arranged on the second direction side of the second operation portion. Furthermore, the second operation portion can be manually operated from the second prescribed member by manual operation of the second prescribed member by the user. That is, the second operation portion can be indirectly manually operated by the user with the second prescribed member.

[0161] The second switch can have a second electrical contact. The second electrical contact can be closed or opened in correspondence with movement (or movement by a certain length or more) of the second movable piece toward the first direction. The second switch can be configured to perform so-called momentary action, or can be configured to perform so-called alternate action.

[0162] The second movable piece can be in a second initial position in the second initial state. The second movable piece can be configured to move (or move by a certain length or more) from the second initial position toward the first direction in correspondence with receiving the second load.

[0163] The second arm can be arbitrarily extended from the second operation portion. The second arm can have a shape of a long and thin plate (or a rod). A second distance from the second reference surface to the second arm can vary depending on the position of the second arm. The second distance can continuously or discontinuously increase, for example, from the second end to the first end of the second arm. There can be a range in which the second distance decreases between the second end and the first end.

[0164] In a case where the second arm is connected to the support body, the first end of the second arm can be defined as a boundary portion with the support body. Alternatively, the first end of the second arm can be defined as a prescribed range or position in the boundary portion. Specifically, the first end of the second arm can be defined as the entirety of a connection surface (that is, a cross section) at which the support body is connected, or can be defined as a prescribed range or position (for example, an end portion or an intermediate position in the first direction) in the connection surface.

[0165] The second end of the second arm can also be defined as a boundary portion with the second operation portion, or a prescribed range or position within the boundary portion. Specifically, the second end of the second arm can also be defined as the entirety of a connecting surface (i.e., a cross section) at which the second operation portion is connected, or a prescribed range or position (e.g., an end portion or an intermediate position in the first direction) within the connecting surface.

[0166] The second operation portion, the second arm, and the support body can also be integrally formed. The integrally formed product can further include the second operation portion and / or the second arm. The second switch can also have the same configuration as the first switch. That is, the second switch can also have the same shape and the same size as the first switch.

[0167] The second arm can also have the same configuration as the first arm. That is, the second arm can also have the same shape and the same size as the first arm.

[0168] The second switch can also have the same or corresponding features among the features 1 to 54 described above, in relation to the first switch.

[0169] The second manual operation member can also have the same or corresponding features among the features 1 to 54 described above, in relation to the first manual operation member.

[0170] The embodiment can have at least any one of the features 1 to 70 described above, in addition to or instead of.

[0171] • Feature 71: The first arm extends from the first end of the first arm toward a direction away from the first end of the second arm.

[0172] • Feature 72: The second arm extends from the first end of the second arm toward a direction away from the first end of the first arm.

[0173] In the electrical device for use on site having at least the features 1 to 20 and 55 to 72, the first switch and the second switch are arranged to be easily separable.

[0174] The embodiment can have at least any one of the features described below, in addition to or instead of the features 1 to 72.

[0175] • Feature 73: An angle formed by the first extension start direction of the first arm and the second extension start direction of the second arm is greater than 170° and is 180° or less. The angle can also be 180°.

[0176] • Feature 74: The first extension start direction is a direction in which the first arm extends from the first end of the first arm and is orthogonal to the first direction.

[0177] • Feature 75: The second extension start direction is a direction in which the second arm extends from the first end of the second arm and is orthogonal to the first direction.

[0178] In the on-site electrical equipment having at least features 1 to 20 and 55 to 75, the first switch and the second switch are arranged so as to be easily separable.

[0179] The second extension start direction can also be described as a direction in which the second arm extends from the first end when the second arm is viewed along the reference surface orthogonal direction (or a direction orthogonal to the second reference surface) from the outside of the second arm. Alternatively, the second extension start direction can also be described as a component (or a vector component) of a direction parallel to the first reference surface (or the second reference surface) among directions (or vectors) in which the second arm extends from the first end of the second arm.

[0180] The embodiment can have at least any one of the following features in addition to having at least any one of features 1 to 75, or instead of having at least any one of features 1 to 75.

[0181] • Feature 76: The second arm has a second start portion.

[0182] • Feature 77: The second start portion corresponds to a portion (a portion including the first end of the second arm) extending from the first end of the second arm toward the second extension start direction.

[0183] • Feature 78: The second arm has a second continuation portion.

[0184] • Feature 79: The second continuation portion corresponds to a portion extending from an end portion (an end portion on the side opposite to the first end) of the second start portion toward a second extension continuation direction. The second continuation portion can include the second end of the second arm. The second extension continuation direction is orthogonal to the first direction.

[0185] • Feature 80: The second extension continuation direction is different from the second extension start direction.

[0186] • Feature 81: Both the first continuation portion and the second continuation portion extend toward a virtual straight line passing through the second end of the first arm and the second end of the second arm.

[0187] In the on-site electrical equipment having at least features 1 to 20, 24 to 28, and 55 to 81, the first switch and the second switch can be easily separated, and the use efficiency of the space around the first and second switches can be improved.

[0188] The second extension continuation direction can also be described as a direction in which the second continuation portion extends from the end of the second start portion when the second arm is viewed along the reference surface normal direction (or a direction orthogonal to the second reference surface) from the outside of the second arm. Alternatively, the second extension continuation direction can also be described as a component (or a vector component) of a direction parallel to the first reference surface (or the second reference surface) among directions (or vectors) in which the second continuation portion extends from the end of the second start portion.

[0189] The certain embodiment can have at least any one of the features 1 to 81, or can have at least any one of the following features instead of the features 1 to 81.

[0190] • Feature 82: A third switch.

[0191] • Feature 83: The third switch has a third movable piece (or a third movable portion, or a third pressing rod, or a third actuator).

[0192] • Feature 84: The third movable piece is configured to move in the first direction in correspondence with receiving a third load in the first direction.

[0193] • Feature 85: A third manual operation member. The third manual operation member can be configured to be manually operated (for example, pressed in the first direction) by the user.

[0194] • Feature 86: The third manual operation member has a third operation portion (or a third button).

[0195] • Feature 87: The third operation portion is disposed at a position apart from the third movable piece in the second direction. The third operation portion can be configured to be manually operated (for example, pressed in the first direction) by the user.

[0196] • Feature 88: The third operation portion is configured to be displaced in the first direction in correspondence with being manually operated in the first direction.

[0197] • Feature 89: The third operation portion is configured to be displaced toward the first direction in correspondence with the manual operation toward the first direction, and the third movable piece is applied with the third load. The third operation portion can also be configured to directly or indirectly contact the third movable piece, and the third movable piece is applied with the third load.

[0198] • Feature 90: The third manual operation member has a third arm.

[0199] • Feature 91: The third arm has a first end.

[0200] • Feature 92: The third arm has a second end.

[0201] • Feature 93: The second end of the third arm is connected to the third operation portion.

[0202] • Feature 94: The first end of the third arm is spaced apart from a third reference surface toward the first direction in a third initial state.

[0203] • Feature 95: The third initial state is a state in which the third manual operation member is not manually operated.

[0204] • Feature 96: The third reference surface is orthogonal to the first direction.

[0205] • Feature 97: The third reference surface is a virtual plane passing through the second end of the third arm.

[0206] • Feature 98: The first operation portion, the second operation portion, and the third operation portion are not on the same straight line.

[0207] The first end of the third arm can be connected to the support body. The first end of the third arm can be connected to another support body to which the first arm and the second arm are not connected. The support body or the other support body can have a third auxiliary arm. The third auxiliary arm can have the same or similar configuration as the first auxiliary arm. The first end of the third arm can be connected to a first end of the third auxiliary arm. A second end of the third auxiliary arm can be connected to the support member of the support body or a support member of the other support body. The third arm and the third auxiliary arm can have features corresponding to those of the first arm and the first auxiliary arm among the features 1 to 54.

[0208] In the electrical device for use on site having at least features 1 to 20, 55 to 70, 82 to 98, the first end of the third arm is positioned more toward the first direction side than the second end of the third arm. Therefore, the force required for the user to operate the third switch can be reduced.

[0209] The third reference surface can also be parallel to the first reference surface and / or the second reference surface. The third reference surface can also coincide with the first reference surface and / or the second reference surface. The third operation portion can also be configured to be directly manually operated by the user.

[0210] The third operation portion can also be configured to be indirectly manually operated by the user. Specifically, a third prescribed member (for example, a cover or a film) can be provided on the second direction side of the third operation portion. Furthermore, the third operation portion can be manually operated from the third prescribed member by the user manually operating the third prescribed member. That is, the third operation portion can be indirectly manually operated by the user with the aid of the third prescribed member.

[0211] The third switch can have a third electrical contact. The third electrical contact can be configured to be closed or opened in correspondence with the third movable piece moving (or moving by a certain length or more) toward the first direction. The third switch can be configured to perform so-called momentary action, or can be configured to perform so-called alternate action.

[0212] The third movable piece can be in a third initial position in the third initial state. The third movable piece can be configured to move (or move by a certain length or more) from the third initial position toward the first direction in correspondence with receiving the third load.

[0213] The third arm can arbitrarily extend from the third operation portion. The third arm can have a shape of a long and thin plate (or a rod). A third distance from the third reference surface to the third arm can vary depending on the position of the third arm. The third distance can continuously or discontinuously increase, for example, from the second end to the first end of the third arm. There can be a range in which the third distance decreases between the second end and the first end.

[0214] When the third arm is connected to the support, the first end of the third arm can also be defined as the boundary portion between it and the support. Alternatively, the first end of the second arm can also be defined as a defined range or position within that boundary portion. Specifically, the first end of the third arm can be defined as the entire connecting surface (i.e., cross-section) connected to the support, or it can be defined as a defined range or position within that connecting surface (e.g., an end or middle position in the first direction).

[0215] The second end of the third arm can be defined as the boundary portion between the third operating part and the third operating part, or it can be defined as a defined range or position within the boundary portion. Specifically, the second end of the third arm can be defined as the entire connecting surface (i.e., cross-section) connected to the third operating part, or it can be defined as a defined range or position within the connecting surface (e.g., the end or middle position in the first direction).

[0216] The third operating part, the third arm, and the support body can also be integrally molded. The integrally molded article may also further include the third operating part and / or the third arm. The third switch may also have the same configuration as the first switch or the second switch. That is, the third switch may also have the same shape and size as the first switch and / or the second switch.

[0217] The third arm may also have the same configuration as the first arm and / or the second arm. That is, the third arm may also have the same shape and size as the first arm and / or the second arm.

[0218] The third switch may also have features that are the same as or correspond to the features associated with the first switch among the aforementioned features 1 to 54.

[0219] The third manual operation component may also have features that are the same as or correspond to the features associated with the first manual operation component among the aforementioned features 1 to 54.

[0220] In addition to having at least one of features 1 to 98, or alternatively, a certain embodiment may also have the following features.

[0221] • Feature 99: The angle between the first departure direction and the second departure direction is 80° or more and 100° or less. This angle may also be 90°. The first departure direction is a direction from the second operating unit toward the first operating unit and is orthogonal to the first direction. The second departure direction is a direction from the second operating unit toward the third operating unit and is orthogonal to the first direction.

[0222] In field electrical equipment having at least features 1 to 20, 55 to 70, and 82 to 99, the area required to suppress the configuration of the first to third switches can be suppressed.

[0223] The first departure direction can also be described as: the component (or vector component) of the direction (or vector) from the second operating part toward the first operating part that is parallel to the first reference plane (or the second reference plane or the third reference plane). "The direction from the second operating part toward the first operating part" can also be, for example, the direction from a predetermined position within the surface and interior of the second operating part toward a predetermined position within the surface and interior of the first operating part.

[0224] The second departure direction can also be described as: the component (or vector component) of the direction (or vector) from the second operating part toward the third operating part that is parallel to the first reference plane (or the second reference plane or the third reference plane). "The direction from the second operating part toward the third operating part" can also be, for example, the direction from a predetermined position within the surface and interior of the second operating part toward a predetermined position within the surface and interior of the third operating part.

[0225] In addition to having at least one of features 1 to 99, a certain embodiment may also have at least one of the following features, or alternatively.

[0226] • Feature 100: Display section.

[0227] • Feature 101: The display unit is positioned at a location that moves away from the second switch in a third departure direction. The third departure direction is a direction obtained by combining the first departure direction and the second departure direction (more specifically, vector combination).

[0228] • Feature 102: The display unit is configured to display information related to the operation of the field electrical equipment.

[0229] In field electrical equipment having at least features 1 to 20, 55 to 70, and 82 to 102, the first to third switches and the display unit can be configured effectively (e.g., with reduced installation area).

[0230] The display unit may include, for example, one or more LEDs, and / or various display devices. The display unit may also include, for example, seven LED segments. The display unit may also include various displays such as liquid crystal displays or organic EL displays. The display unit may also include a simple lighting device (or light emitter).

[0231] Here, a virtual parallelogram passing through the first to third switches is defined. This parallelogram has vertices 1 to 4. The first vertex is located within the first switch, the second vertex is located within the second switch, and the third vertex is located within the third switch. Alternatively, the display unit can be configured such that the fourth vertex is located within the display unit. The parallelogram can also be parallel to the first reference plane, the second reference plane, and / or the third reference plane.

[0232] In addition to having at least one of features 1 to 102, a certain embodiment may also have at least one of the following features.

[0233] • Feature 103: At least two of the following are different: the first extension start direction of the first arm, the second extension start direction of the second arm, and the third extension start direction of the third arm.

[0234] • Feature 104: The direction of the third extension is the direction in which the third arm extends from the first end of the third arm and is orthogonal to the first direction.

[0235] In field electrical equipment having at least features 1 to 20, 25, 55 to 70, 75, 82 to 98, 103 to 104, the first to third switches can be configured effectively (e.g., suppressing the area required for the installation of these components).

[0236] The third extension starting direction can also be described as: the direction in which the third arm extends from the first end when viewed from the outside of the third arm along a direction orthogonal to the reference plane (or, a direction orthogonal to the second or third reference plane). Alternatively, the third extension starting direction can also be described as: the component (or vector component) of the direction (or vector) in which the third arm extends from the first end of the third arm, and is parallel to the first reference plane (or the second or third reference plane).

[0237] In addition to having at least one of features 1 to 104, or alternatively, a certain embodiment may also have the following features.

[0238] • Feature 105: The first extension start direction, the second extension start direction, and the third extension start direction are different from each other.

[0239] In field electrical equipment having at least features 1 to 20, 25, 55 to 70, 75, 82 to 98, 103 to 105, the first to third switches can be configured effectively (e.g., suppressing the area required for the installation of these components), and various configuration versions can be achieved.

[0240] In addition to having at least one of features 1 to 105, or alternatively, a certain embodiment may also have the following features.

[0241] • Feature 106: The angle between the second extension starting direction and the third extension starting direction is 170° or more and 180° or less. This angle may also be 180°.

[0242] In addition to having at least one of features 1 to 106, or alternatively, a certain embodiment may also have the following features.

[0243] • Feature 107: The first extension starting direction is not parallel to the second and third extension starting directions. The second extension starting direction may also be parallel to or not parallel to the third extension starting direction.

[0244] In addition to having at least one of features 1 to 107, a certain embodiment may also have at least one of the following features.

[0245] • Feature 108: Outer shell.

[0246] • Feature 109: The housing accommodates the first switch, the second switch, and / or the third switch.

[0247] • Feature 110: The outer casing includes a first outer casing.

[0248] • Feature 111: The outer casing includes a second outer casing.

[0249] • Feature 112: The first outer shell and the second outer shell are combined with each other. Alternatively, the first outer shell and the second outer shell can be combined with each other to assemble the outer shell.

[0250] • Feature 113: The support body has a plate-like shape and an outer periphery.

[0251] • Feature 114: The first outer casing has a first support portion.

[0252] • Feature 115: The first outer peripheral portion of the support body is embedded in the first support part, thereby the first support part supports the support body. The first outer peripheral portion is the first part of the outer periphery.

[0253] • Feature 116: The second outer casing has a second support portion.

[0254] • Feature 117: The second outer peripheral portion of the support body is embedded in the second support part, thereby supporting the support body. The second outer peripheral portion is a second part of the outer periphery and is different from the first outer peripheral portion.

[0255] • Feature 118: The shape of the second outer peripheral portion is different from the shape of the first outer peripheral portion.

[0256] In field electrical equipment having at least features 1 to 20 and 108 to 118, during the manufacturing process of the field electrical equipment, the support body can be properly assembled (e.g., embedded) into the first housing or the second housing.

[0257] Here, it can be imagined that the shape of the second outer peripheral portion is the same as the shape of the first outer peripheral portion. In this case, the operator may mistakenly insert (or attempt to insert) the second outer peripheral portion into (the first support portion of the first housing). When considering workability, it is desirable to be able to properly and easily insert the support into the first support portion.

[0258] In contrast, as long as feature 118 is present, it is possible to suppress or prevent such erroneous embeddings.

[0259] The support body may also include a flange (or rib) formed along the outer periphery of the support body. The flange may be formed entirely along the outer periphery of the support body or partially along the outer periphery. The first outer periphery portion and / or the second outer periphery portion may also be provided on the flange.

[0260] Feature 118 can also be described as follows: the first outer peripheral portion is asymmetrical with the second outer peripheral portion.

[0261] The first switch, the second switch, and / or the third switch may also be directly or indirectly fixed to the support.

[0262] In addition to having at least one of features 1 to 118, or alternatively, a certain embodiment may also have the following features.

[0263] • Feature 119: The support body is configured such that, from its unassembled state, the support body is inserted relative to the first support portion in a predetermined insertion direction.

[0264] The unassembled state is: the support body is not installed on the outer shell and the second outer shell has been separated from the first outer shell.

[0265] In field electrical equipment having at least features 1 to 20 and 108 to 119, the support body can be easily and appropriately embedded into the first housing during the manufacturing process of the field electrical equipment.

[0266] In addition to having at least one of features 1 to 119, a certain embodiment may also have at least one of the following features.

[0267] • Feature 120: The outer periphery of the support includes a first straight region.

[0268] • Feature 121: The first straight-line region is a straight-line region on the outer periphery that includes one of the two boundaries of the first outer periphery portion and the second outer periphery portion.

[0269] • Feature 122: The outer periphery of the support includes a second straight region.

[0270] • Feature 123: The second straight-line region is a straight-line region including the other of the two boundaries.

[0271] In field electrical equipment having at least features 1 to 20 and 108 to 123, the support body can be stably fixed to the first support portion in a semi-fixed state (in other words, it is difficult to detach from the first support portion). The semi-fixed state is defined as a state in which, during manufacturing, the support body is embedded into the first housing, but the second housing has not yet been assembled into the first housing. That is, in the semi-fixed state, the second outer peripheral portion of the support body has not yet been embedded into the second housing.

[0272] Assuming that the first straight-line region and / or the second straight-line region are absent, or that the first straight-line region and / or the second straight-line region are few, in the semi-fixed state, the support may easily detach from the first housing. However, in the semi-fixed state, it is desirable that the support is difficult to detach from the first housing. Therefore, by providing the first straight-line region and the second straight-line region, it is possible to make the support difficult to detach from the first housing.

[0273] In addition to having at least one of features 1 to 123, or alternatively, a certain embodiment may also have the following features.

[0274] • Feature 124: The first straight line region and the second straight line region are parallel to the embedding direction.

[0275] In field electrical equipment having at least features 1 to 20 and 108 to 124, the support body can be easily embedded into the first housing during manufacturing, and the support body is difficult to detach from the first support portion after embedding.

[0276] In addition to having at least one of features 1 to 124, or alternatively, a certain embodiment may also have at least one of the following features.

[0277] • Feature 125: The first outer peripheral portion has a curved first curved region.

[0278] • Feature 126: The first outer peripheral portion has a curved second curved region.

[0279] • Feature 127: The second outer peripheral portion has a curved third curved region.

[0280] • Feature 128: The second outer peripheral portion has a curved fourth curved region.

[0281] • Feature 129: The curvature of the first curved region is greater than the curvature of the third curved region and the curvature of the fourth curved region.

[0282] • Feature 130: The curvature of the second curved region is greater than the curvature of the third curved region and the curvature of the fourth curved region.

[0283] In field electrical equipment having at least features 1 to 20, 108 to 119, and 125 to 130, the second housing can be easily assembled onto the support in the semi-fixed state.

[0284] The greater the curvature of each of the third and fourth bending regions (in other words, the smaller the radius of curvature of each of the third and fourth bending regions), the more difficult it will be to embed the second outer peripheral portion into the second support portion of the second housing. That is, the workability of assembling the second housing to the first housing in the semi-fixed state may be reduced.

[0285] In contrast, by reducing the curvature of the respective third and fourth curved regions (in other words, increasing the radius of curvature), the second outer peripheral portion can be easily embedded into the second support portion of the second housing.

[0286] On the other hand, by relatively increasing the curvature of the first and second bending regions, it may be difficult to detach the support from the first outer shell in the semi-fixed state.

[0287] In addition to having at least one of features 1 to 130, or alternatively, a certain embodiment may also have at least one of the following features.

[0288] • Feature 131: Electrical load.

[0289] • Feature 132: Control circuit.

[0290] • Feature 133: The control circuit is configured to control the electrical load.

[0291] • Feature 134: Circuit board.

[0292] • Feature 135: The control circuit is mounted (or installed) on the circuit board.

[0293] • Feature 136: The first switch, the second switch, and / or the third switch are fixed (or mounted) to the circuit board.

[0294] • Feature 137: The support is fixed to the circuit board.

[0295] In field electrical equipment having at least features 1 to 20 and 131 to 137, the circuit board and the first to third switches can be compactly housed within the field electrical equipment.

[0296] Features 120, 122, 129, and / or 130 described above are more effective when feature 137 is included. That is, when the support body fixed to the circuit board is embedded in the first support portion, the support body may easily detach from the first housing due to the weight of the circuit board. In this case, if features 120, 122, 129, and / or 130 are included, the support body will be less likely to detach from the first housing.

[0297] The outer casing may also have an opening. The first and second support portions may also be provided along the opening (i.e., surrounding the opening). The opening may also include: a first portion opening provided with the first support portion, and a second portion opening provided with the second support portion. The support body may also be configured to cover (seal) the opening.

[0298] The electrical load may also include a motor. Examples of such motors include: brushed DC motors, brushless motors (including brushless DC motors and / or brushless AC motors), AC motors, and stepper motors. The electrical load may also include loads other than motors. Examples of such electrical loads include: heaters, light-emitting devices that emit light.

[0299] The first switch, the second switch, and / or the third switch may be electrically connected to the control circuit, or they may be connected to other circuits different from the control circuit.

[0300] The control circuit can also be configured to set, change, or switch the operation / non-operation, operation method, control method, operation mode, various parameters involved in the operation of the electrical load, and the operation or non-operation of the control circuit itself, etc., according to the state (open state or closed state) of the first switch, the second switch, and / or the third switch.

[0301] The control circuit can also be integrated into a single electronic unit, a single electronic device, or a single circuit board.

[0302] The control circuit may also be a combination of two or more electronic circuits, two or more electronic units, or two or more electronic devices respectively disposed on or within the field electrical equipment.

[0303] The control circuit may also include: a microcomputer (or microcontroller, or microprocessor), wiring logic, application-specific integrated circuit (ASIC), application-specific general purpose product (ASSP), programmable logic device (e.g., field-programmable gate array (FPGA), etc.), discrete electronic components, and / or combinations thereof.

[0304] The field electrical equipment may include all devices configured to operate by receiving direct current (DC) or alternating current (AC). The field electrical equipment may be configured to receive AC power or DC power. The field electrical equipment may also be configured to have a built-in battery and operate by power from the battery. The field electrical equipment may also be configured to have a battery pack housing the battery, which can be detachably mounted. The field electrical equipment may also be configured to receive power from the battery pack to operate. The battery may also be rechargeable.

[0305] The field electrical equipment may also include a power transmission unit. The power transmission unit is configured to transmit the rotation of the motor to the driven device. The driven device may be configured to be fixed to the field electrical equipment or detachably mounted to it. Examples of the driven device include various drill bits, rotary cutters or slicers, saw chains, and impellers of fans or pumps.

[0306] The field electrical equipment may also include the gripping part. The gripping part may also be configured to be gripped by the user. The field electrical equipment may also include a trigger. The trigger may be configured to be manually operated by the user. The field electrical equipment may also be configured so that the user can manually operate the trigger while gripping the gripping part.

[0307] Examples of the electrical equipment used on-site include: various electrical equipment used (or capable of being used) in construction, manufacturing, civil engineering, fortification, agriculture, horticulture, cleaning, amateur carpentry, and other work sites. More specifically, examples of the electrical equipment used on-site include: power tools or electric work machines for stonemasonry, metalworking, and woodworking; electric work machines for horticulture; and devices for tidying up the work site environment. More specifically, examples of the electrical equipment used on-site include: electric blowers, electric hammers, electric hammer drills, electric drills, electric screwdrivers, electric wrenches, electric grinders, electric circular saws, electric reciprocating saws, electric wire saws, electric cutters, electric chainsaws, electric planers, electric nail machines (including riveting machines), electric lawn mowers, electric lawn trimmers, electric hedge trimmers, electric lawn mowers, electric cleaners, electric sprayers, electric spreaders, electric dust collectors, electric trowels, electric vibrators, and electric tampers. Electric compactors, electric pumps, electric pile drivers, electric concrete saws, electric leveling machines, electric cutting saws, laser rangefinders (or laser distance measuring devices), laser line gauges, laser line gauge receivers, wall scanning detectors, radios, televisions, speakers, lamps (i.e., lighting devices), electric insulated boxes, electric kettles, coffee machines (or coffee makers, or coffee liqueurs), microwave ovens, robotic vacuum cleaners, battery-powered handcarts, battery-powered bicycles, air conditioning vests, heating jackets.

[0308] In one embodiment, features 1 to 137 described above can also be any combination.

[0309] In one embodiment, any one of the features 1 to 137 described above may be excluded.

[0310] [2. Specific exemplary implementation]

[0311] The following describes specific exemplary implementation methods.

[0312] [2-1. First Embodiment]

[0313] The first embodiment provides a field electrical device 1 in the form of a drive drill. The field electrical device 1 is used, for example, for operations such as screw tightening and drilling. However, this field electrical device 1 is only one example, and the present invention can be applied to all types of field electrical devices.

[0314] For ease of explanation, in this first embodiment, as... Figure 1 As will be shown appropriately later, the directions in the field electrical equipment 1 are defined. Specifically, "up" (upward direction), "down" (downward direction), "right" (rightward direction), "left" (leftward direction), "forward" (forward direction), and "backward" (backward direction) are defined. The same applies to the second to fourth embodiments described later. The downward direction is an example of the first direction in the summary of the embodiments, and the upward direction is an example of the second direction in the summary of the embodiments.

[0315] (2-1-1) Overall composition of electrical equipment used on site

[0316] like Figure 1 As shown, the field electrical equipment 1 has a housing 2. The housing 2 includes a first receiving section 3. The first receiving section 3 supports a motor 40 (not shown). Figure 2 。) for storage.

[0317] The housing 2 has a gripping part 4. The gripping part 4 is held by the user of the field electrical equipment 1.

[0318] The field electrical equipment 1 includes a trigger 7. The trigger 7 is located in front of the handle 4, near the boundary between the handle 4 and the first receiving part 3. The trigger 7 is manually operated by the user to rotate the motor 40.

[0319] The outer casing 2 has a second receiving portion 5. The second receiving portion 5 has a battery mounting portion 5a at its lower end. The battery pack 200 is detachably mounted to the battery mounting portion 5a.

[0320] The field electrical equipment 1 includes a chuck 6. The chuck 6 is positioned in front of the first receiving section 3. Various driven tools (or workpieces) are detachably mounted on the chuck 6. Examples of driven tools include drill bits and screwdriver bits, and other tool heads.

[0321] The first housing section 3 houses the power transmission mechanism (not shown). The power transmission mechanism transmits the rotation of the motor 40 to the chuck 6, thereby causing the driven device to rotate.

[0322] The field electrical equipment 1 includes a mode switching ring 8. The mode switching ring 8 is located in front of the first housing 3. The mode switching ring 8 is a rotatable cylindrical component. In order to selectively set the operating mode of the field electrical equipment 1 to one of multiple modes, the user of the field electrical equipment 1 rotates the mode switching ring 8.

[0323] The second housing section 5 includes switch units 10 and controller 250 (not shown). See reference. Figure 2 The second receiving part 5 has a panel opening 5b on its upper surface. The upper surface of the switch unit 10 is exposed to the outside of the field electrical equipment 1 through the panel opening 5b. Thus, the user can operate the switch unit 10.

[0324] The switching unit 10 includes a switch 15, a light emitter 16, and a display unit 17. The switch 15 is a push-button switch. The user can manually operate the switch 15 (specifically, by pressing it downwards). More specifically, the user can indirectly operate the switch 15 manually using the manual operation component 30 described later. The light emitter 16 emits light. The light emitter 16 includes, for example, an LED. The user can visually view the light from the light emitter 16. The display unit 17 displays various information. The display unit 17 includes, for example, seven LEDs. The user can visually view the information displayed on the display unit 17.

[0325] The field electrical equipment 1 includes a knob 9. The knob 9 is located at the front end of the second housing 5. The knob 9 is a rotatable cylindrical component. In order to selectively set the output torque of the motor 40 in a specific mode to one of a plurality of torques, the user rotates the knob 9.

[0326] In this first embodiment, a switch 15 is used to enable or disable the torque switching function using the knob 9. When the torque switching is enabled, multiple torques are sequentially displayed on the display unit 17 according to the rotation of the knob 9. The user can set the desired output torque while rotating the knob 9.

[0327] (2-1-2) Electrical configuration of on-site electrical equipment

[0328] like Figure 2 As shown, the motor 40 and the switching unit 10 are electrically connected to the controller 250.

[0329] The battery pack 200 houses the battery 200a. The battery 200a is a rechargeable secondary battery. The battery 200a can also be a lithium-ion secondary battery.

[0330] When the battery pack 200 is assembled in the battery assembly section 5a, the battery 200a is electrically connected to the controller 250.

[0331] The field electrical equipment 1 has a trigger input circuit 7a. The trigger input circuit 7a is mechanically connected to the trigger 7 and outputs trigger information indicating the state of the trigger 7 to the controller 250. The trigger information includes: information indicating whether the trigger 7 has been moved from its initial position (or moved a certain distance or more), and / or information indicating the amount of movement (or position) of the trigger 7.

[0332] The field electrical equipment 1 has a mode input circuit 8a. The mode input circuit 8a is connected to the mode switching ring 8 and outputs mode information indicating the position of the mode switching ring 8 (and thus the selected mode) to the controller 250.

[0333] The field electrical equipment 1 is equipped with a knob input circuit 9a. The knob input circuit 9a is connected to the knob 9 and outputs knob information indicating the position of the knob 9 (or the rotation speed of the knob 9) to the controller 250.

[0334] The controller 250 includes a drive circuit 251. The drive circuit 251 is electrically connected to the battery 200a and receives power from the battery 200a. The drive circuit 251 converts the battery power into motor drive power and supplies it to the motor 40. In this first embodiment, the motor 40 is a brushless motor, and the motor drive power is three-phase power.

[0335] The controller 250 includes a control circuit 252. The control circuit 252 controls the motor 40 via the drive circuit 251. The control circuit 252 receives trigger information, mode information, and knob information. The control circuit 252 is electrically connected to the switch unit 10. Specifically, the control circuit 252 is electrically connected to the switch 15, the light emitter 16, and the display unit 17.

[0336] Control circuit 252 sets torque switching to active or inactive corresponding to the pressing of switch 15. Control circuit 252 sets the operating mode based on mode information. Control circuit 252 sets the output torque based on knob information. When torque switching is active, control circuit 252 displays information indicating the torque based on knob information on display unit 17. When the conditions for activating the light emitter 16 are met, control circuit 252 activates the light emitter 16 (i.e., it emits light). When trigger 7 is manually operated, control circuit 252 outputs a control signal corresponding to the set operating mode and output torque to drive circuit 251. Once drive circuit 251 receives the control signal, it supplies motor drive power corresponding to the control signal to motor 40, causing motor 40 to rotate.

[0337] (2-1-3) Composition of the switching unit

[0338] Reference Figures 3-9 The configuration of the switching unit 10 is described in detail.

[0339] like Figure 3 As shown, the switch unit 10 is disposed on top of the controller 250 within the second housing 5. Although the switch unit 10 is electrically connected to the controller 250, it is not fixed to the controller 250. However, the switch unit 10 may also be fixed to the controller 250.

[0340] like Figure 3 , Figure 4 as well as Figure 7 As shown, the switching unit 10 includes a switching circuit 13. The switching circuit 13 includes a switch 15, a light emitter 16, and a display unit 17.

[0341] like Figure 4 as well as Figure 7 As shown, the switch circuit 13 includes a circuit board 14. The switch 15, the light emitter 16, and the display unit 17 are mounted on the substrate surface 14a of the circuit board 14. The circuit board 14 includes electrical wiring (not shown) that connects the switch 15, the light emitter 16, and the display unit 17 to the controller 250.

[0342] The switch 15 has a movable piece 15a on its upper part. The "movable piece" can also be referred to as a movable part, a pressing rod, or an actuator. The movable piece 15a is configured to move downwards in response to receiving a first downward load, thereby electrically connecting the switch 15. The first load can be of any magnitude. Electrically connecting the switch 15 means connecting or disconnecting the conductive path (part of the aforementioned electrical wiring) connected to the switch 15. The movable piece 15a has a switch surface 1500. The switch surface 1500 corresponds to the upper surface of the movable piece 15a. The switch surface 1500 contacts the operating part 31. The movable piece 15a (specifically, the switch surface 1500) receives the first load from the operating part 31.

[0343] like Figures 3-7 As shown, the switch unit 10 includes a switch plate 12. The switch plate 12 has a plate-like shape overall, and more specifically, a thin tray-like shape with partial openings. Ultimately, this is just one example; the switch plate 12 is a one-piece molded article (i.e., a single component). That is, all the parts included in the switch plate 12 described below are integrally formed. The switch plate 12 can also be a resin molded article containing resin as a main component. The switch plate 12 can also be integrally molded, for example, by injection molding.

[0344] likeFigure 5 As shown, the switch plate 12 has a plurality of screw holes 12a (two in this first embodiment). Screws 18 (see reference) Figure 4 The screws are inserted into the screw holes 12a. The switch plate 12 is fixed to the circuit board 14 by two screws 18.

[0345] like Figures 4-7 As shown, the switch plate 12 includes a manual operation component 30. The manual operation component 30 is manually operated by the user. More specifically, the manual operation component 30 is configured to elastically deform downwards when pressed downwards.

[0346] The switch plate 12 has a support body 24. The support body 24 supports the manual operation component 30. The support body 24 includes a support component 20.

[0347] The support member 20 has a plate-like shape. The "support member" may also be referred to as a support plate, etc.

[0348] The support member 20 includes a first opening 21 that is open in the vertical direction. A manual operation member 30 is disposed within the first opening 21. The light emitter 16 is configured to extend downward from the first opening 21. Figure 6 As shown, when the switch panel 12 is viewed from the outside and facing downwards, the light emitter 16 can be visually confirmed through the first opening 21. The light emitter 16 is configured to emit light upwards through the first opening 21.

[0349] The support member 20 includes a second opening 22 that is open in the vertical direction. The display unit 17 is configured to extend downward from the second opening 22. When the switch panel 12 is viewed downward from the outside, the display unit 17 can be visually confirmed through the second opening 22.

[0350] The support body 24 includes an auxiliary arm 33. The auxiliary arm 33 extends downward from the support member 20 (specifically from the edge of the first opening 21). The auxiliary arm 33 faces the first end 33a (the lower end). (See reference...) Figure 6 , Figure 8 ( ) Bend. The second end 33b of the auxiliary arm 33 (refer to Figure 6 , Figure 8 It is connected to the support member 20. The first end 33a and the second end 33b of the auxiliary arm 33 are examples of the first auxiliary end and the second auxiliary end in the general embodiment.

[0351] The manual operation component 30 includes an operation section 31. The "operation section" may also be referred to as a button, manual contact section, etc. The operation section 31 is configured to extend upwards from the movable piece 15a. The operation section 31 is configured to be manually operated downwards by a user (e.g., pressed). The operation section 31 has a contact section 35 at its lower end (see reference). Figure 5 , Figure 7 , Figure 8 When the operating part 31 is pressed downward, the contact part 35 abuts against the switch surface 1500 of the movable piece 15a.

[0352] The manual operating component 30 includes an arm 32. The arm 32 has a long, rod-like shape. More specifically, the arm 32 has a slender, thin plate-like shape. The first end 32a of the arm 32 (see reference...) Figure 6 , Figure 8 The auxiliary arm 33 is connected to the first end 33a of the auxiliary arm 33. That is, the auxiliary arm 33 supports the arm 32 (and consequently the manual operation component 30) at the first end 33a. In other words, the support component 20 supports the manual operation component 30 by means of the auxiliary arm 33. The first end 33a of the auxiliary arm 33 coincides with the first end 32a of the arm 32. The second end 32b of the arm 32 (refer to...) Figure 6 , Figure 8 It is connected to the operation unit 31.

[0353] As previously described, the switch plate 12 is a single-piece molded component. Therefore, the operating part 31, arm 32, auxiliary arm 33, and support member 20 are integrally molded. The arm 32 extends continuously from the first end 33a along the curved shape of the auxiliary arm 33. Thus, the arm 32 and the auxiliary arm 33 can also be viewed as a thin, rod-shaped component whose boundary portion is bent into a U-shape. This U-shaped portion is referred to as the bending portion 34. The bending portion 34 corresponds to the boundary between the arm 32 and the auxiliary arm 33. The bending portion 34 includes the first end 32a of the arm 32 and the first end 33a of the auxiliary arm 33.

[0354] Here, the first datum plane PL1 is defined. The first datum plane PL1 is illustrated in... Figure 8 The first reference plane PL1 is: (i) a virtual plane that is orthogonal to the downward direction and (ii) passes through the second end 32b of the arm 32.

[0355] Especially by Figure 6 It is evident that, in this first embodiment, arm 32 buckles along the first reference plane PL1 midway as it extends from the first end 32a toward the second end 32b. Furthermore, the first reference plane PL1... Figure 6 In the middle, is with that Figure 6 The plane parallel to the paper.

[0356] Specifically, arm 32 has a starting portion 321. The starting portion 321 corresponds to the portion of arm 32 that extends from the first end 32a of arm 32 toward the extending starting direction D1 (i.e., a portion including the first end 32a). The extending starting direction D1 is the direction in which arm 32 extends from the first end 32a when viewed from outside and downwards. In other words, the extending starting direction D1 is the component of the direction in which arm 32 extends from the first end 32a, parallel to the first reference plane PL1.

[0357] Arm 32 also includes a continuous portion 322. The continuous portion 322 corresponds to the portion of arm 32 that extends from the end of the starting portion 321 (i.e., the end opposite to the first end 32a) along the extending continuous direction D2. The extending continuous direction D2 is the direction in which arm 32 extends from the end of the starting portion 321 when viewed from the outside downwards. In other words, the extending continuous direction D2 is the component of the direction in which the continuous portion 322 extends from the starting portion 321, parallel to the first reference plane PL1. The extending continuous direction D2 differs from the extending starting direction D1. Furthermore, Figure 6 The symbol Lb in the diagram schematically represents the boundary between the beginning portion 321 and the continuing portion 322.

[0358] Reference Figure 8 as well as Figure 9 The position and operation of the manually operated component 30 are described in detail. Arm 32 extends from its first end 32a toward the first reference plane PL1. Auxiliary arm 33 also extends from its first end 33a toward the first reference plane PL1.

[0359] In the first initial state, the first end 32a of arm 32 moves downward from the first reference plane PL1. The first initial state is: the manual operation component 30 is not manually operated.

[0360] Furthermore, in the first initial state, the distance to the distal end of the arm is: above the distance to the switch surface. The distance to the distal end of the arm is: the distance from the first reference plane PL1 to the first end 32a of the arm 32 (or the lower end of the first end 32a). The distance to the switch surface is: the distance from the first reference plane PL1 to the switch surface 1500 of the movable piece 15a. The distance to the distal end of the arm and the distance to the switch surface are both distances in the downward direction.

[0361] Here, the first angle α1 and the second angle β1 are defined. The first angle α1 is the angle formed by the first reference plane PL1 and the main extension direction. The main extension direction is the direction from the first end 32a of arm 32 towards the second end 32b. The second angle β1 is the angle formed by the first reference plane PL1 and the auxiliary extension direction. The auxiliary extension direction is the direction from the first end 33a of auxiliary arm 33 towards the second end 33b. The first angle α1 is smaller than the second angle β1.

[0362] Furthermore, the first plane distance of arm 32 is longer than the second plane distance of auxiliary arm 33. The first plane distance is the distance along the first reference plane PL1 from the first end 32a to the second end 32b of arm 32. The second plane distance is the distance along the first reference plane PL1 from the first end 33a to the second end 33b of auxiliary arm 33.

[0363] Here, the first spring constant and the second spring constant are defined. When the operating part 31 is pressed downward, a first force is applied from the operating part 31 through the arm 32 to the auxiliary arm 33. The auxiliary arm 33 (specifically the second end 33b and its vicinity) is able to elastically deform relative to the support member 20 by this first force. The first spring constant represents the ease of its elastic deformation, that is, the ease of elastic deformation of the auxiliary arm 33 relative to the support member 20.

[0364] When the operating part 31 is pressed downwards, a second force is applied from the operating part 31 to the arm 32. The arm 32 (specifically, the first end 32a and its vicinity) undergoes elastic deformation relative to the auxiliary arm 33 due to this second force. In other words, the buckling part 34 undergoes elastic deformation. That is, the angle between the arm 32 and the auxiliary arm 33 increases. The second spring constant indicates the ease with which the buckling part 34 undergoes elastic deformation.

[0365] The second spring constant is less than the first spring constant. That is, when the operating part 31 is pressed downward, the buckling part 34 undergoes greater elastic deformation. At this time, the auxiliary arm 33 does not undergo elastic deformation relative to the support member 20, or undergoes elastic deformation smaller than that of the buckling part 34.

[0366] The width W1 of arm 32 (refer to) Figure 6 The thickness W2 of arm 32 is (refer to...) Figure 8 More than twice that of the operating part 31. Accordingly, it is possible to suppress or prevent the arm 32 from twisting when the operating part 31 is pressed by the user.

[0367] With this configuration, when the operating part 31 is pressed downwards, the operating part 31 and the arm 32 move downwards together with the bending part 34 as the fulcrum. That is, the bending part 34 undergoes elastic deformation, thereby causing the manual operating member 30 to move downwards.

[0368] Accordingly, Figure 9 As illustrated, the operating part 31 abuts against the switching surface 1500 of the movable piece 15a, and a first load is applied from the operating part 31 toward the movable piece 15a. At this time, the vector of the force applied to the movable piece 15a is in the same direction as downward or contains a large component of downward direction. That is, most or all of the force applied to the movable piece 15a is contributed as the first load to the downward movement of the movable piece 15a.

[0369] The main reasons for this property of the vector can be listed as follows: In the first initial state, (i) the first end 32a of the arm 32 is positioned further downward than the first reference plane PL1, (ii) the distance from the far end of the arm is above the distance from the switch surface, and (iii) the second spring constant is less than the first spring constant. Because of this property of the vector, the force applied by the user to the operating part 31 is efficiently applied to the movable piece 15a. Furthermore, the user can operate the switch 15 with less force, improving operability and ease of use. In addition, the stress applied to the switch plate 12 can be reduced, thereby reducing or preventing damage to the switch plate 12.

[0370] When a first load is applied from the operating unit 31 toward the movable piece 15a, the movable piece 15a moves downward. Accordingly, the switch 15 is turned on. When the operating unit 31 moves away from the movable piece 15a after it has moved downward, the movable piece 15a moves upward, returning to the first initial state. Accordingly, the switch 15 is turned off.

[0371] The first end 32a and the second end 32b of arm 32 can be arbitrarily defined. The first end 32a can be the entire cross-section of the boundary portion between the arm and the auxiliary arm 33, or it can be a part of the cross-section of the boundary portion. In this first embodiment, the first end 32a corresponds to the center of the cross-section of the boundary portion. The first end 32a can also be, for example, the lower end of the cross-section of the boundary portion (i.e., the lower end of the buckling portion 34). Similarly, the second end 32b of arm 32 can also be defined as any part of the boundary portion between the arm and the operating portion 31. The first end 33a of auxiliary arm 33 can also be defined as any part of the boundary portion between the arm and the arm 32. The second end 33b of auxiliary arm 33 can also be defined as any part of the boundary portion between the arm and the support member 20.

[0372] like Figure 3 as well as Figure 4 As shown, the switching unit 10 includes a label 11. To facilitate understanding of the structure of the switching unit 10, Figures 6-9The label 11 is omitted. The label 11 completely covers the upper surface of the support member 20 in the switch plate 12. The label 11 can suppress or prevent damage to the switch plate 12 or dust from entering the switch plate 12 from the outside. More precisely, the operating part 31 is pressed by the user via the label 11. The label 11 has a light transmittance of a certain level or higher. The label 11 can also be transparent or translucent. The light from the light emitter 16 and the information displayed on the display unit 17 are visually confirmed via the label 11. The label 11 is not necessary and can be omitted.

[0373] [2-2. Second Implementation]

[0374] The second embodiment provides a field electrical device 50 in the form of a handheld cleaner. However, such a field electrical device 50 is merely one example.

[0375] (2-2-1) Overall composition of electrical equipment used on site

[0376] like Figure 10 As shown, the field electrical equipment 50 includes a housing 51. The housing 51 includes a first housing 52 and a second housing 53. The housing 51 is divided into two approximately equal parts, one part corresponding to the first housing 52 and the other part corresponding to the second housing 53. The first housing 52 and the second housing 53 are combined with each other to assemble the housing 51.

[0377] Housing 51, motor 45 (not shown). See reference. Figure 11 , Controller 260 (not shown. See reference) Figure 11 。) and the switch unit 60 are housed therein.

[0378] The housing 51 has a gripping part 54. The gripping part 54 is gripped by the user of the field electrical equipment 50.

[0379] The housing 51 has a battery mounting section 55 at its lower rear end. The battery pack 200 is detachably mounted to the battery mounting section 55.

[0380] The field electrical equipment 50 includes a suction unit 56. The front end of the suction unit 56 includes an insertion port 56a. A suction tube (not shown) is detachably attached to the insertion port 56a. When the motor 45 rotates, outside air (which may contain dust, etc.) is drawn into the suction unit 56 from the insertion port 56a. The suction unit 56 is capable of separating dust, etc., from the drawn-in outside air.

[0381] The on-site electrical equipment 50 is equipped with a dust collection box 57. The dust collection box 57 is capable of storing dust and other particles separated by the suction unit 56.

[0382] The housing 51 has an opening on its upper surface. The upper surface of the switch unit 60 is exposed to the outside of the field electrical equipment 50 through this opening. Thus, the user can operate the switch unit 60.

[0383] The switch unit 60 internally includes a first switch 66, a second switch 67, and a display unit 68. The first and second switches 66 and 67 are push-button switches. In this second embodiment, as an example, the first and second switches 66 and 67 have the same shape, structure, and size. As another example, the first and second switches 66 and 67 have the same shape, structure, and size as the switch 15 in the first embodiment.

[0384] When motor 45 stops, motor 45 will rotate once the first switch 66 is pressed. When motor 45 is rotating, motor 45 will stop once the first switch 66 is pressed.

[0385] The second switch 67 is used to set the attraction to any of the multiple levels. Each time the second switch 67 is pressed, the attraction is switched sequentially.

[0386] Display unit 68 displays various information. Display unit 68 includes, for example, a plurality of LEDs arranged along a certain direction (e.g., forward). The user can visually confirm the information displayed on display unit 68. Display unit 68 displays, for example, information corresponding to a set attraction level.

[0387] (2-2-2) Electrical configuration of on-site electrical equipment

[0388] like Figure 11 As shown, the motor 45 and the switching unit 60 are electrically connected to the controller 260.

[0389] As detailed below, the field electrical equipment 50 of this second embodiment includes a circuit board 65 (see reference 1). Figure 12 The switching unit 60 and the controller 260 are included in the circuit board 65. That is, the switching unit 60 and the controller 260 are mounted on the same board.

[0390] When the battery pack 200 is assembled in the battery assembly section 55, the battery 200a is electrically connected to the controller 260.

[0391] The controller 260 includes a drive circuit 261. The drive circuit 261 is electrically connected to the battery 200a and receives power from the battery 200a. The drive circuit 261 converts the battery power into motor drive power and supplies it to the motor 45. In this second embodiment, the motor 45 is a brushless motor, and the motor drive power is three-phase power.

[0392] The controller 260 includes a control circuit 262. The control circuit 262 controls the motor 45 via the drive circuit 261. The control circuit 262 is electrically connected to the switch unit 60. Specifically, the control circuit 262 is electrically connected to the first switch 66, the second switch 67, and the display unit 68.

[0393] The control circuit 262 causes the motor 45 to operate or stop in response to the pressing of the first switch 66. The control circuit 262 switches the attraction force based on the pressing of the second switch 67, and displays information indicating the attraction force after the switch on the display unit 68.

[0394] (2-2-3) Composition of the switching unit

[0395] Reference Figures 12-17 The configuration of the switching unit 60 is described in detail.

[0396] like Figure 12 as well as Figure 13 As shown, the switching unit 60 includes a switching circuit 63. The switching circuit 63 includes a first switch 66, a second switch 67, and a display unit 68. As previously described, the field electrical device 50 includes a circuit board 65. The first switch 66, the second switch 67, and the display unit 68 are mounted on the substrate surface 65a of the circuit board 65. The circuit board 65 includes electrical wiring (not shown) connecting the first switch 66, the second switch 67, and the display unit 68 to the controller 260.

[0397] The first switch 66 and the second switch 67 are configured to be the same as the switch 15 in the first embodiment described above. Therefore, the foregoing description of switch 15 also applies to the first switch 66 and the second switch 67.

[0398] That is, the first switch 66 has a first movable piece 66a on its upper part. The first movable piece 66a corresponds to the movable piece 15a in the first embodiment. The first movable piece 66a has a switch surface 660. The switch surface 660 corresponds to the upper surface of the first movable piece 66a. The switch surface 660 is in contact with the first operating part 81. The first operating part 81 corresponds to the operating part 31 in the first embodiment.

[0399] The second switch 67 has a second movable piece 67a on its upper part. The second movable piece 67a corresponds to the movable piece 15a in the first embodiment. The second movable piece 67a has a switch surface 670. The switch surface 670 corresponds to the upper surface of the second movable piece 67a. The switch surface 670 contacts the second operating part 91. The second operating part 91 corresponds to the operating part 31 in the first embodiment. The second movable piece 67a is configured to move downward in response to receiving a second load in the downward direction, thereby electrically connecting the second switch 67. The second load can also be of any size. In this second embodiment, the second load is the same as the first load.

[0400] like Figures 12-15 As shown, the switch unit 60 includes a switch plate 62. The switch plate 62 has a plate-like shape overall, and more specifically, a thin tray-like shape with partial openings. Ultimately, this is just one example; the switch plate 62 is a one-piece molded article. That is, all the parts included in the switch plate 62 described below are integrally formed. The switch plate 62 can also be a resin molded article containing resin as a main component.

[0401] The switch plate 62 has multiple screw holes (not shown). Screw 69 (see reference). Figure 13 The switch plate 62 is inserted into the screw holes. The switch plate 62 is fixed to the circuit board 65 by a plurality of screws 69.

[0402] like Figures 13-15 As shown, the switch plate 62 includes a first manual operation member 80. The first manual operation member 80 differs slightly from the manual operation member 30 of the first embodiment in the shape and size of its first arm 82. The first arm 82 is a device corresponding to the arm 32 of the first embodiment. Apart from the first arm 82, the first manual operation member 80 has essentially the same configuration and function as the manual operation member 30. That is, the first manual operation member 80 is configured such that when pressed downwards by a user, it elastically deforms downwards.

[0403] The switch panel 62 also includes a second manual operation component 90. The second manual operation component 90 has the same shape, structure and size as the first manual operation component 80, and functions in the same way as the first manual operation component 80.

[0404] like Figure 14 As shown, the switch plate 62 includes a support body 78. The support body 78 supports the first manual operation component 80 and the second manual operation component 90.

[0405] The support body 78 includes a support member 70. The support member 70 has a plate-like shape. The support member 70 includes a first opening 73 that is open in the vertical direction. A first manual operation member 80 is disposed within the first opening 73. The support member 70 also includes a second opening 75 that is open in the vertical direction. A second manual operation member 90 is disposed within the second opening 75.

[0406] The support member 70 includes one or more third openings 72 that are open in the vertical direction. In this second embodiment, the support member 70 includes four third openings 72. The display unit 68 is configured to extend downward from the third openings 72. When the switch plate 62 is viewed downward from the outside, the display unit 68 can be visually confirmed through the third openings 72.

[0407] like Figure 14 as well as Figure 15 As shown, the support 78 includes a first auxiliary arm 83. The first auxiliary arm 83 has a shape, structure, and size substantially the same as the auxiliary arm 33 of the first embodiment, and functions similarly to the auxiliary arm 33. Specifically, the first auxiliary arm 83 extends downward from the support member 70 (more specifically, from the edge of the first opening 73). The first end 83a of the first auxiliary arm 83 is curved. The second end 83b of the first auxiliary arm 83 is connected to the support member 70.

[0408] The first manual operation component 80 includes a first operation section (or a first button) 81. The first operation section 81 has a shape, structure, and size substantially the same as the operation section 31 in the first embodiment, and functions similarly to the operation section 31. That is, the first operation section 81 is configured to move upwards from the first movable piece 66a. The first operation section 81 has a contact portion 85 at its lower end (see reference...). Figure 15 When the first operating part 81 is pressed downward, the contact part 85 abuts against the switch surface 660 of the first movable piece 66a.

[0409] The first manual operation component 80 includes a first arm 82. Although the first arm 82 is slightly different in shape and size from the arm 32 of the first embodiment, it functions in essentially the same way as the arm 32.

[0410] That is, the first arm 82 has a long, rod-like shape. More specifically, the first arm 82 has a slender, thin plate-like shape. The first end 82a of the first arm 82 is connected to the first end 83a of the first auxiliary arm 83. That is, the first auxiliary arm 83 supports the first arm 82 (and consequently the first manual operating member 80) at the first end 83a. The first end 83a of the first auxiliary arm 83 coincides with the first end 82a of the first arm 82. The second end 82b of the first arm 82 is connected to the first operating part 81.

[0411] like Figure 14 as well as Figure 15 As shown, the support 78 includes a second auxiliary arm 93. The second auxiliary arm 93 has the same shape, structure, and size as the first auxiliary arm 83, and functions similarly to the first auxiliary arm 83. Specifically, the second auxiliary arm 93 extends downward from the support member 70 (more specifically, from the edge of the second opening 75). The first end 93a of the second auxiliary arm 93 is curved. The second end 93b of the second auxiliary arm 93 is connected to the support member 70.

[0412] The second manual operation component 90 includes a second operation section (or a second button) 91. The second operation section 91 has the same shape, structure, and size as the first operation section 81, and functions similarly to the first operation section 81. That is, the second operation section 91 is configured to extend upwards from the second movable piece 67a. The second operation section 91 has a contact portion 95 at its lower end (see reference...). Figure 15 When the second operating part 91 is pressed downward, the contact part 95 abuts against the switch surface 670 of the second movable piece 67a.

[0413] The second manual operating component 90 includes a second arm 92. The second arm 92 has the same shape, structure, and size as the first arm 82 and functions similarly to the first arm 82. The first end 92a of the second arm 92 is connected to the first end 93a of the second auxiliary arm 93. That is, the second auxiliary arm 93 supports the second arm 92 (and consequently the second manual operating component 90) at the first end 93a. The first end 93a of the second auxiliary arm 93 coincides with the first end 92a of the second arm 92. The second end 92b of the second arm 92 is connected to the second operating section 91.

[0414] As previously mentioned, the switch plate 62 is a one-piece molded product. Thus, the first manual operation component 80, the first auxiliary arm 83, the second manual operation component 90, the second auxiliary arm 93, and the support component 70 are all integrally molded.

[0415] The first arm 82 extends from the first end 83a of the first auxiliary arm 83 in a continuously curved shape. The boundary portion between the first arm 82 and the first auxiliary arm 83 is referred to as the first buckling portion 84. The first buckling portion 84 has a U-shaped shape. The first buckling portion 84 includes the first end 82a of the first arm 82 and the first end 83a of the first auxiliary arm 83.

[0416] The second arm 92 extends continuously from the first end 93a of the second auxiliary arm 93 in a curved shape. The boundary portion between the second arm 92 and the second auxiliary arm 93 is referred to as the second buckling portion 94. The second buckling portion 94 has a U-shaped bend. The second buckling portion 94 includes the first end 92a of the second arm 92 and the first end 93a of the second auxiliary arm 93.

[0417] Here, the first datum plane PL11 and the second datum plane are defined. The first datum plane PL11 is illustrated in... Figure 16 The first reference plane PL11 is a virtual plane that is (i) orthogonal to the downward direction and (ii) passes through the second end 82b of the first arm 82. The second reference plane is a virtual plane that is (i) orthogonal to the downward direction and (ii) passes through the second end 92b of the second arm 92. In this second embodiment, the second reference plane coincides with the first reference plane PL11. Therefore, in the following description of this second embodiment, the first reference plane PL11 and the second reference plane will simply be referred to as "reference planes".

[0418] Reference Figure 16 as well as Figure 17 The position and operation of the first manual operation component 80 and the second manual operation component 90 are described in detail.

[0419] The first arm 82 extends from its first end 82a toward a direction close to the reference plane. The first auxiliary arm 83 also extends from its first end 83a toward a direction close to the reference plane.

[0420] The first end 82a of the first arm 82 moves downward from the reference plane in the second initial state. The second initial state is: the first and second manual operating parts 80 and 90 are not manually operated.

[0421] Furthermore, in the second initial state, the distance to the distal end of the first arm is: above the distance to the first switch surface. The distance to the distal end of the first arm is: the distance from the reference plane to the first end 82a (or the lower end of the first end 82a) of the first arm 82. The distance to the first switch surface is: the distance from the reference plane to the switch surface 660 of the first movable piece 66a. The distance to the distal end of the first arm and the distance to the first switch surface are: the distance along the downward direction (or the upward direction).

[0422] Here, the first angle α2 and the second angle β2 are defined. The first angle α2 is the angle between the reference plane and the main extension direction. The main extension direction is the direction from the first end 82a of the first arm 82 towards the second end 82b. The second angle β2 is the angle between the reference plane and the auxiliary extension direction. The auxiliary extension direction is the direction from the first end 83a of the first auxiliary arm 83 towards the second end 83b. The first angle α2 is less than the second angle β2.

[0423] Furthermore, the first plane distance of the first arm 82 is longer than the second plane distance of the first auxiliary arm 83. The first plane distance is the distance along the reference plane from the first end 82a to the second end 82b of the first arm 82. The second plane distance is the distance along the reference plane from the first end 83a to the second end 83b of the first auxiliary arm 83.

[0424] Here, in this second embodiment, the first spring constant and the second spring constant are also defined. When the first operating part 81 is pressed downward, a third force is applied from the first operating part 81 to the first auxiliary arm 83 via the first arm 82. The first auxiliary arm 83 (specifically, the second end 83b and its vicinity) is able to elastically deform relative to the support member 70 by this third force. The first spring constant represents the ease of this elastic deformation, that is, the ease of elastic deformation of the first auxiliary arm 83 relative to the support member 70.

[0425] When the first operating part 81 is pressed downwards, a fourth force is applied from the first operating part 81 to the first arm 82. The first arm 82 (specifically the first end 82a and its vicinity) undergoes elastic deformation relative to the first auxiliary arm 83 by this fourth force. In other words, the first buckling part 84 undergoes elastic deformation. That is, the angle between the first arm 82 and the first auxiliary arm 83 widens. The second spring constant indicates the ease with which the first buckling part 84 undergoes elastic deformation.

[0426] The second spring constant is less than the first spring constant. That is, when the first operating part 81 is pressed downward, the first buckling part 84 undergoes greater elastic deformation. At this time, the first auxiliary arm 83 does not undergo elastic deformation relative to the support member 70, or undergoes elastic deformation smaller than that of the first buckling part 84.

[0427] Similar to arm 32 in the first embodiment, the width of the first arm 82 is more than twice the thickness of the first arm 82.

[0428] With this configuration, when the first operating part 81 is pressed downwards, the first operating part 81 and the first arm 82 together move downwards with the first bending part 84 as the fulcrum. That is, the first bending part 84 undergoes elastic deformation, thereby causing the first manual operating member 80 to move downwards.

[0429] Accordingly, Figure 17As illustrated, the first operating part 81 abuts against the switching surface 660 of the first movable piece 66a, applying a first load from the first operating part 81 toward the first movable piece 66a. At this time, the vector of the force applied to the first movable piece 66a is aligned with or contains a large component of the downward direction. That is, most or all of the force applied to the first movable piece 66a is contributed as the first load to the downward movement of the first movable piece 66a.

[0430] When a first load is applied from the first operating unit 81 toward the first movable piece 66a, the first movable piece 66a moves downward. Accordingly, the first switch 66 is turned on. When the first operating unit 81 moves away from the first movable piece 66a after it has moved downward, the first movable piece 66a moves upward, returning to the second initial state. Accordingly, the first switch 66 is turned off.

[0431] The first end 82a and the second end 82b of the first arm 82 can also be arbitrarily defined, just like the first end 32a and the second end 32b of the arm 32 in the first embodiment. The same applies to the first end 92a and the second end 92b of the second arm 92. Similarly, the first end 83a and the second end 83b of the first auxiliary arm 83 can also be arbitrarily defined, just like the first end 33a and the second end 33b of the auxiliary arm 33 in the first embodiment. The same applies to the first end 93a and the second end 93b of the second auxiliary arm 93.

[0432] The above description of the position and operation of the first manual operating member 80 also applies to the second manual operating member 90. That is, in the second initial state, the first end 92a of the second arm 92 moves downward from the reference plane. Furthermore, in the second initial state, the distance from the distal end of the second arm is above the distance from the second switch surface. The distance from the distal end of the second arm is the distance from the reference plane to the first end 92a of the second arm 92 (or the lower end of the first end 92a). The distance from the second switch surface is the distance from the reference plane to the switch surface 670 of the second movable piece 67a. The distance from the distal end of the second arm and the distance from the second switch surface are distances along the downward (or upward) direction. The second manual operating member 90 also possesses other characteristics of the first manual operating member 80 (e.g., the relationships between the various distances mentioned above, the relationship between the first angle α2 and the second angle β2, the spring constant, the width and thickness of the first arm 82, etc.).

[0433] With this configuration, when the second operating part 91 is pressed downwards, the second operating part 91 and the second arm 92 together move downwards around the second bending part 94 as a fulcrum. Accordingly, with Figure 17Similarly, the second operating part 91 abuts against the switching surface 670 of the second movable piece 67a, and a second load is applied from the second operating part 91 to the second movable piece 67a. At this time, the characteristics of the force vector applied to the second movable piece 67a are the same as the characteristics of the force vector applied to the first movable piece 66a.

[0434] like Figure 12 , Figure 13 , Figure 16 as well as Figure 17 As shown, the switching unit 60 includes a label 61. To facilitate understanding of the structure of the switching unit 60, Figure 14 , Figure 15 The label 61 is omitted. The label 61 completely covers the upper surface of the support member 70 in the switch plate 62. The label 61 has a material (or composition) that is substantially the same as the label 11 in the first embodiment, and is used for the same purpose as the label 11.

[0435] (2-2-4) Fixing of the switch unit to the housing

[0436] This describes the configuration within the housing 51 for supporting the switching unit 60.

[0437] like Figure 13 , Figure 14 (especially) Figure 14 As shown, the switch plate 62 includes a flange (or rib) 77 disposed along its outer periphery 770. The flange 77 can be considered as part of the support body 78. That is, it can also be said that the support body 78 has the flange 77 along its outer periphery 770.

[0438] The outer periphery 770 of the flange 77 (that is, the outer periphery of the support 78, and consequently the outer periphery of the switch plate 62) includes: a first bending region 77a, a second bending region 77b, a third bending region 77c, and a fourth bending region 77d. The first to fourth bending regions 77a, 77b, 77c, and 77d are the bending regions on the outer periphery 770 of the flange 77.

[0439] The curvature of the first curved region 77a is greater than the curvature of the third curved region 77c and the curvature of the fourth curved region 77d. The curvature of the second curved region 77b is greater than the curvature of the third curved region 77c and the curvature of the fourth curved region 77d. In this second embodiment, the curvature of the first curved region 77a is equal to the curvature of the second curved region 77b, and the curvature of the third curved region 77c is equal to the curvature of the fourth curved region 77d.

[0440] The outer periphery 770 of the flange 77 includes: a first straight region 77e, a second straight region 77f, a third straight region 77g, and a fourth straight region 77h.

[0441] The first straight region 77e is the straight region between the first curved region 77a and the third curved region 77c. The second straight region 77f is the straight region between the second curved region 77b and the fourth curved region 77d. The third straight region 77g is the straight region between the first curved region 77a and the second curved region 77b. The fourth straight region 77h is the straight region between the third curved region 77c and the fourth curved region 77d.

[0442] Here, on the outer periphery 770 of the flange 77, the first outer periphery portion 770a and the second outer periphery portion 770b are defined. The outer periphery 770 of the flange 77 is defined by the first boundary B1 and the second boundary B2 (see reference). Figure 14 The boundary is divided into a first outer perimeter 770a and a second outer perimeter 770b. The first outer perimeter 770a extends from the first boundary B1 through a first curved region 77a, a third straight region 77g, and a second curved region 77b to the second boundary B2. The second outer perimeter 770b extends from the first boundary B1 through a third curved region 77c, a fourth straight region 77h, and a fourth curved region 77d to the second boundary B2. The first boundary B1 lies on the first straight region 77e, and the second boundary B2 lies on the second straight region 77f. In the first straight region 77e, the length from the first boundary B1 to the first curved region 77a is longer than the length from the first boundary B1 to the third curved region 77c. In the second straight region 77f, the length from the second boundary B2 to the second curved region 77b is longer than the length from the second boundary B2 to the fourth curved region 77d.

[0443] The shape of the first outer peripheral portion 770a is different from the shape of the second outer peripheral portion 770b. In other words, the first outer peripheral portion 770a and the second outer peripheral portion 770b are asymmetrical to each other.

[0444] like Figure 18 As shown, the first housing 52 includes a first support portion 58. The first support portion 58 has a groove-like shape. The first support portion 58 has an insertion space 58a. Specifically, the first support portion 58 includes a first rib 52a and a second rib 52b. The insertion space 58a corresponds to the space between the first rib 52a and the second rib 52b. The first outer peripheral portion 770a of the flange 77 is inserted into the insertion space 58a.

[0445] During the manufacturing process of the field electrical equipment 50, the switch plate 62 is configured such that, from the unassembled state, the switch plate 62 is inserted relative to the first support portion 58 toward the insertion direction Din. The unassembled state is a state in which the switch plate 62 is not installed on the housing 51 and the second housing 53 has been removed from the first housing 52.

[0446] The first support portion 58 includes a first guide portion 58b and a second guide portion 58c. The first guide portion 58b and the second guide portion 58c are provided along the insertion direction Din. In addition, the first straight region 77e and the second straight region 77f are parallel to the insertion direction Din.

[0447] From the unassembled state, when the switch plate 62 is inserted from the first outer peripheral portion 770a toward the insertion space 58a along the insertion direction Din, the switch plate 62 moves toward the insertion direction Din while being guided by the first guide portion 58b and the second guide portion 58c.

[0448] Moreover, such as Figure 19 As shown, the first outer peripheral portion 770a is entirely housed within the embedded space 58a, thereby temporarily assembling (i.e., temporarily supporting) the switch plate 62 onto the housing 51. That is, the switch plate 62 is in a semi-fixed state (and consequently, the switch unit 60). At this time, the second outer peripheral portion 770b is outside the embedded space 58a.

[0449] In this second embodiment, in the semi-fixed state, more than half of the first straight region 77e and more than half of the second straight region 77f are located within the embedding space 58a.

[0450] After temporary assembly, such as Figure 20 As shown, the second housing 53 is assembled to the first housing 52. The second housing 53 includes a second support portion 59. The second support portion 59 has a structure similar to that of the first support portion 58. When the second housing 53 is assembled to the first housing 52, the second outer peripheral portion 770b of the flange 77 of the switch plate 62 is inserted into the second support portion 59. Accordingly, the switch plate 62 is fixed to the housing 51.

[0451] In this second embodiment, the shape of the second outer peripheral portion 770b is different from the shape of the first outer peripheral portion 770a. Therefore, the switch plate 62 can be easily and appropriately assembled into the first housing 52. That is, it is possible to suppress or prevent, for example, the possibility of mistakenly inserting the second outer peripheral portion 770b into the first housing 52.

[0452] Furthermore, the first straight region 77e and the second straight region 77f are parallel to the embedding direction Din. This allows the switch plate 62 to be easily embedded into the first housing 52. Moreover, once embedded in the first housing 52, the switch plate 62 will be difficult to detach from it.

[0453] Furthermore, the curvature of the first bending region 77a and the curvature of the second bending region 77b are greater than the curvature of the third bending region 77c and the curvature of the fourth bending region 77d. Therefore, the second housing 53 can be easily assembled onto the first housing 52 in a semi-fixed state. In other words, the second outer peripheral portion 770b of the switch plate 62 can be easily inserted into the second support portion 59 of the second housing 53. To further explain this effect: the greater the curvature of the third and fourth bending regions 77c and 77d (in other words, the smaller the radius of curvature), the more difficult it is to insert the second outer peripheral portion 770b into the second support portion 59 of the second housing 53. Conversely, by reducing the curvature of the third and fourth bending regions 77c and 77d (in other words, increasing the radius of curvature), the second outer peripheral portion 770b can be easily inserted into the second support portion 59 of the second housing 53.

[0454] On the other hand, regarding the first outer peripheral portion 770a, by relatively increasing the curvature of the first and second bending regions 77a and 77b, it is difficult to detach the switch plate 62 from the first housing 52 in a semi-fixed state.

[0455] Furthermore, the outer periphery 770 of the flange 77 has a first straight region 77e and a second straight region 77f parallel to the embedding direction Din. Accordingly, the switch plate 62 becomes more difficult to detach from the first housing 52. This effect is further explained. In this second embodiment, the circuit board 65 is fixed to the switch plate 62. The circuit board 65 integrates not only the switch circuit 63 but also the controller 260. That is, the switch plate 62 supports the circuit board 65 from below. In other words, the switch plate 62 supports the circuit board 65 in a suspended manner. Moreover, the switch plate 62 is positioned off-center (or center of gravity) from the circuit board 65. Therefore, in the semi-fixed state, the load applied from the switch plate 62 to the first support portion 58 of the first housing 52 deviates due to the position of the first support portion 58. Specifically, the load applied from the switch plate 62 to the area near the front of the first support portion 58 is greater than the load applied from the switch plate 62 to the area near the rear. Such load imbalance may reduce the stability of the switchboard 62 in a semi-fixed state.

[0456] In this second embodiment, in the semi-fixed state, more than half of each of the first straight region 77e and the second straight region 77f is embedded in the first support portion 58. Accordingly, the situation where the switch plate 62 detaches from the first support portion 58 is suppressed.

[0457] [2-3. Third Implementation]

[0458] Reference Figures 21-24This describes other forms of the switching unit. The switching unit 100 of this third embodiment, like the switching unit 10 of the first embodiment or the switching unit 60 of the second embodiment, can be used in various field electrical devices. That is, in the first and second embodiments, the switching unit 100 of this third embodiment can be used instead of the switching units 10 and 60.

[0459] like Figure 22 As shown, the switch unit 100 includes a switch circuit 102. The switch circuit 102 includes a first switch 105, a second switch 106, a third switch 107, and a display unit 108.

[0460] The switching circuit 102 includes a circuit board 103. A first switch 105, a second switch 106, a third switch 107, and a display unit 108 are mounted on the substrate surface 103a of the circuit board 103.

[0461] The first switch 105 is the same device as the first switch 66 in the second embodiment, and the second switch 106 is the same device as the second switch 67 in the second embodiment. The third switch 107 is also the same device as the first switch 66 or the second switch 67 in the second embodiment (and further, the same device as the switch 15 in the first embodiment).

[0462] That is, the first switch 105 has a first movable piece 105a on its upper part. The first movable piece 105a has a switch surface 1050. The first movable piece 105a is manually operated downward by means of the first manual operation member 120 described later.

[0463] The second switch 106 has a second movable piece 106a on its upper part. The second movable piece 106a has a switch surface 1060. The second movable piece 106a is manually operated downward by means of the second manual operation member 130 described later.

[0464] The third switch 107 has a third movable piece 107a on its upper part. The third movable piece 107a has a switch surface 1070. The switch surface 1070 corresponds to the upper surface of the third movable piece 107a. The switch surface 1070 contacts the third operating part 141. The third operating part 141 corresponds to the operating part 31 of the first embodiment. The third movable piece 107a (specifically the switch surface 1070) is configured to move downward in response to receiving a third load in the downward direction, thereby electrically connecting the third switch 107. The third load can also be of any size. In this third embodiment, the third load is the same as the first load and / or the second load.

[0465] The switching unit 100 includes a switching plate 101. The switching plate 101 has a plate-like shape overall, and more specifically, a thin tray-like shape with partial openings. Ultimately, this is just one example; the switching plate 101 is a one-piece molded product. That is, all the components of the switching plate 101 described below are integrally formed. The switching plate 101 can also be a resin molded product containing resin as a main component. The switching plate 101 is fixed to the circuit board 103 by a plurality of screws.

[0466] The switch panel 101 includes a first manual operation component 120, a second manual operation component 130, and a third manual operation component 140.

[0467] The first manual operation component 120, except that the length of the first arm 122 is slightly longer than that of the first arm 82, has a shape, structure and size that are substantially the same as those of the first manual operation component 80 in the second embodiment, and functions in the same way as the first manual operation component 80.

[0468] The second manual operating component 130 and the third manual operating component 140 have the same shape, structure and size as the first manual operating component 120, and function in the same way as the first manual operating component 120.

[0469] The switchboard 101 includes a support body 119 (see reference). Figure 21 The support body 119 supports the first to third manual operation components 120, 130, and 140.

[0470] The support body 119 includes a support member 110. The support member 110 has a plate-like shape. The support member 110 includes a first opening 111, a second opening 112, a third opening 113, and a fourth opening 114 that are open in the vertical direction. A first manual operation member 120 is disposed in the first opening 111. A second manual operation member 130 is disposed in the second opening 112. A third manual operation member 140 is disposed in the third opening 113. The display unit 108 is configured to extend downward from the fourth opening 114. When the switch panel 101 is viewed downward from the outside, the display unit 108 can be visually confirmed through the fourth opening 114.

[0471] The support body 119 includes a first auxiliary arm 123, a second auxiliary arm 133, and a third auxiliary arm 143. The first to third auxiliary arms 123, 133, and 143 have the same shape, structure, and size as the first auxiliary arm 83 in the second embodiment, and function similarly to the first auxiliary arm 83. That is, as... Figure 24As shown, the first auxiliary arm 123 has a first end 123a and a second end 123b, with the second end 123b connected to the support member 110. The second auxiliary arm 133 has a first end 133a and a second end 133b, with the second end 133b connected to the support member 110. The third auxiliary arm 143 has a first end 143a and a second end 143b, with the second end 143b connected to the support member 110.

[0472] The first manual operation component 120 includes a first operation section 121. The first operation section 121 has a shape, structure, and size substantially the same as the first operation section 81 of the second embodiment, and functions similarly to the first operation section 81. The first operation section 121 is configured to extend upwards from the first movable piece 105a. The first operation section 121 has a contact portion 125 at its lower end (see reference). Figure 23 When the first operating part 121 is pressed downward, the contact part 125 abuts against the switch surface 1050 of the first movable piece 105a, pressing the switch surface 1050.

[0473] The first manual operating component 120 includes a first arm 122. Although the first arm 122 differs slightly in length from the first arm 82 of the second embodiment, it functions essentially the same as the first arm 82. Figure 24 As shown, the first end 122a of the first arm 122 is connected to the first end 123a of the first auxiliary arm 123. The second end 122b of the first arm 122 is connected to the first operating part 121.

[0474] The second manual operating component 130 includes a second operating part (or a second button) 131. The second operating part 131 has the same shape, structure, and size as the first operating part 121, and functions similarly to the first operating part 121. The second operating part 131 is configured to extend upwards from the second movable piece 106a. The second operating part 131 has a contact portion 135 at its lower end (see reference). Figure 23 When the second operating part 131 is pressed downward, the contact part 135 abuts against the switch surface 1060 of the second movable piece 106a, pressing the switch surface 1060.

[0475] The second manual operating component 130 includes a second arm 132. The second arm 132 has the same shape, structure, and size as the first arm 122 and functions similarly to it. Figure 24 As shown, the first end 132a of the second arm 132 is connected to the first end 133a of the second auxiliary arm 133. The second end 132b of the second arm 132 is connected to the second operating part 131.

[0476] The third manual operating component 140 includes a third arm 142. The third arm 142 has the same shape, structure, and size as the first arm 122, and functions similarly to the first arm 122. Figure 24 As shown, the first end 142a of the third arm 142 is connected to the first end 143a of the third auxiliary arm 143. The second end 142b of the third arm 142 is connected to the third operating part 141.

[0477] The switch plate 101 is a one-piece molded article. Thus, the first to third manual operation components 120, 130, 140, the first to third auxiliary arms 123, 133, 143, and the support component 110 are integrally molded. This one-piece molded article has a first bent portion 124, a second bent portion 134, and a third bent portion 144. The first bent portion 124 is a portion that includes the boundary between the first arm 122 and the first auxiliary arm 123 and is bent into a U-shape. The second bent portion 134 is a portion that includes the boundary between the second arm 132 and the second auxiliary arm 133 and is bent into a U-shape. The third bent portion 144 is a portion that includes the boundary between the third arm 142 and the third auxiliary arm 143 and is bent into a U-shape.

[0478] In this third embodiment, the first, second, and third reference planes are defined. The first reference plane, similar to the first reference plane PL11 in the second embodiment, is: (i) a virtual plane orthogonal to the downward direction and (ii) passing through the second end 122b of the first arm 122. The second reference plane is: (i) a virtual plane orthogonal to the downward direction and (ii) passing through the second end 132b of the second arm 132. The third reference plane is: (i) a virtual plane orthogonal to the downward direction and (ii) passing through the second end 142b of the third arm 142. In this third embodiment, the first to third reference planes are identical. Therefore, in this third embodiment, the first to third reference planes are simply referred to as "reference planes".

[0479] In the third initial state, the first end 122a of the first arm 122 moves downward from the reference plane. The third initial state is defined as the state where the first, second, and third manual operating components 120, 130, and 140 are not manually operated. Furthermore, in the third initial state, the distance from the distal end of the first arm is above the distance from the first switch surface. The distance from the distal end of the first arm is the distance from the reference plane to the first end 122a of the first arm 122 (or the lower end of the first end 122a). The distance from the first switch surface is the distance from the reference plane to the switch surface 1050 of the first movable piece 105a.

[0480] In the third initial state, the distance to the distal end of the second arm is: above the distance to the second switch surface. The distance to the distal end of the second arm is: the distance from the reference plane to the first end 132a (or the lower end of the first end 132a) of the second arm 132. The distance to the second switch surface is: the distance from the reference plane to the switch surface 1060 of the second movable piece 106a.

[0481] In the third initial state, the distance to the far end of the third arm is: above the distance to the third switch surface. The distance to the far end of the third arm is: the distance from the reference plane to the first end 142a (or the lower end of the first end 142a) of the third arm 142. The distance to the third switch surface is: the distance from the reference plane to the switch surface 1070 of the third movable piece 107a.

[0482] The relationship between the first angle α2 and the second angle β2 in the second embodiment is also applied in the same way to the first to third manual operation components 120, 130, and 140 in this third embodiment.

[0483] The relationship between the first spring constant and the second spring constant in the second embodiment is also applied in the same way to the first to third manual operation components 120, 130, and 140 in this third embodiment.

[0484] The magnitude relationships of various distances along the reference plane in the second embodiment are also applied in the same way to the first to third manual operation components 120, 130, and 140 of this third embodiment.

[0485] Therefore, taking the third manual operation member 140 as an example, when the third operation part 141 is pressed downward, the third operation part 141 and the third arm 142 together move downward with the third bending part 144 as the fulcrum. That is, the third bending part 144 undergoes elastic deformation, thereby causing the third manual operation member 140 to move downward.

[0486] Accordingly, compared with the second embodiment Figure 17 Similarly, the contact portion 145 of the third operating unit 141 (see reference) Figure 23 The third movable piece 107a abuts against the switch surface 1070 of the third movable piece 107a, and the third operating part 141 applies a third load to the third movable piece 107a. Accordingly, the third movable piece 107a moves downward, and the third switch 107 is turned on.

[0487] Further defining features of this third embodiment will be described.

[0488] In this third embodiment, the first operation unit 121, the second operation unit 131, and the third operation unit 141 are not on the same straight line. Specifically, as follows: Figure 24As shown, the angle between the first departure direction D41 and the second departure direction D42 is 80° or more and 100° or less. This angle can also be 90°, for example.

[0489] The first departure direction D41 is: when viewing the switch plate 101 from the outside downwards, the direction from the second operating section 131 towards the first operating section 121. In other words, the first departure direction D41 is a component of the direction parallel to the reference plane in the direction from the second operating section 131 towards the first operating section 121. The second departure direction D42 is: when viewing the switch plate 101 from the outside downwards, the direction from the second operating section 131 towards the third operating section 141. In other words, the second departure direction D42 is a component of the direction parallel to the reference plane in the direction from the second operating section 131 towards the third operating section 141. Furthermore, in Figure 24 In this context, the reference plane is: [the plane is] the same as the reference plane. Figure 24 The plane parallel to the paper.

[0490] At least two of the following directions are different: the first extension starting direction D21 of the first arm 122, the second extension starting direction D22 of the second arm 132, and the third extension starting direction D23 of the third arm 142.

[0491] The first extension starting direction D21 is the direction in which the first arm 122 extends from the first end 122a when viewed from the outside and downwards. In other words, the first extension starting direction D21 is the component of the direction parallel to the reference plane in the direction in which the first arm 122 extends from the first end 122a (more specifically, in this third embodiment, toward the second end 122b).

[0492] The second extension starting direction D22 is the direction in which the second arm 132 extends from the first end 132a when viewed from the outside and downwards. In other words, the second extension starting direction D22 is the component of the direction parallel to the reference plane in the direction in which the second arm 132 extends from the first end 132a (more specifically, in this third embodiment, toward the second end 132b).

[0493] The third extension starting direction D23 is the direction in which the third arm 142 extends from the first end 142a when viewed from the outside and downwards. In other words, the third extension starting direction D23 is the component of the direction parallel to the reference plane in the direction in which the third arm 142 extends from the first end 142a (more specifically, in this third embodiment, toward the second end 142b).

[0494] In this third embodiment, the first extension starting direction D21, the second extension starting direction D22, and the third extension starting direction D23 are different from each other. Specifically, the angle formed by the second extension starting direction D22 and the third extension starting direction D23 is 170° or more and 180° or less. This angle may also be 180°. In addition, the first extension starting direction D21 is not parallel to the second extension starting direction D22 and the third extension starting direction D23. However, these are just examples, and the first extension starting direction D21, the second extension starting direction D22, and the third extension starting direction D23 can be arbitrarily determined.

[0495] In this third embodiment, the display unit 108 is configured to leave from the second switch 106 in a third departure direction. The third departure direction is the direction obtained by combining the first departure direction D41 and the second departure direction D42. Here, a virtual parallelogram is defined. This parallelogram has four vertices. Three of the four vertices are located in the first operation unit 121, the second operation unit 131, and the third operation unit 141, respectively. This parallelogram is parallel to the reference plane. At this time, the other one of the four vertices may also be located within the display unit 108.

[0496] [2-4. Fourth Implementation]

[0497] Reference Figures 25-28 This describes other forms of the switching unit. The switching unit 150 of this fourth embodiment, like the switching unit 10 of the first embodiment or the switching unit 60 of the second embodiment, can be used in various field electrical devices. That is, in the first to third embodiments, the switching unit 150 of this fourth embodiment can be used instead of the switching units 10, 60, and 100.

[0498] like Figure 26 As shown, the switching unit 150 includes a switching circuit 152. The switching circuit 152 includes a first switch 154, a second switch 155, and a plurality of light emitters 156.

[0499] The switching circuit 152 includes a circuit board 153. A first switch 154, a second switch 155, and a plurality of light emitters 156 are mounted on the substrate surface 153a of the circuit board 153.

[0500] The first and second switches 154 and 155 are the same devices as the switch 15 in the first embodiment. That is, the first switch 154 has a first movable piece 154a on its upper part. The second switch 155 has a second movable piece 155a on its upper part.

[0501] The switching unit 150 includes a switching plate 151. The switching plate 151 is a one-piece molded product. The switching plate 151 has a plate-like shape overall, and more specifically, a thin tray-like shape with partial openings. Ultimately, this is just one example; the switching plate 151 is a one-piece molded product. That is, all the parts included in the switching plate 151 described below are integrally formed. The switching plate 151 can also be a resin molded product containing resin as a main component. The switching plate 151 is fixed to the circuit board 153 by screws.

[0502] The switch plate 151 includes a first manual operation component 170 and a second manual operation component 180. The first and second manual operation components 170 and 180 are identical to the start portion 321 of the first embodiment (see reference 180). Figure 6 Apart from being longer than the corresponding part, it has the same shape, structure and size as the manual operation component 30 of the first embodiment, and functions in the same way as the manual operation component 30.

[0503] The switch plate 151 includes a support body 186. The support body 186 supports the first and second manual operation components 170 and 180. The support body 186 includes a support member 160. The support member 160 has a plate-like shape. The support member 160 includes a first opening 161, a second opening 162, and a plurality of third openings 163 that are open in the vertical direction. The first manual operation component 170 is disposed in the first opening 161. The second manual operation component 180 is disposed in the second opening 162. The plurality of light emitters 156 are respectively configured to exit downward from one of the plurality of third openings 163.

[0504] The support 186 includes a first auxiliary arm 173 and a second auxiliary arm 183. The first and second auxiliary arms 173 and 183 have the same shape, structure, and size as the auxiliary arm 33 in the first embodiment, and function similarly to the auxiliary arm 33. Specifically, the first auxiliary arm 173 has a first end 173a and a second end 173b, with the second end 173b connected to the support member 160. The second auxiliary arm 183 has a first end 183a and a second end 183b, with the second end 183b connected to the support member 160.

[0505] The first manual operation component 170 includes a first operation section 171. The first operation section 171 has the same shape, structure, and size as the operation section 31 in the first embodiment, and functions similarly to the operation section 31. The first operation section 171 is configured to move upwards from the first movable piece 154a. The first operation section 171 has a contact portion 175 at its lower end (see reference). Figure 27 ).

[0506] The first manual operating component 170 includes a first arm 172. The first arm 172 functions essentially the same as the arm 32, except that it differs slightly in length from the arm 32 in the first embodiment. The first end 172a of the first arm 172 is connected to the first end 173a of the first auxiliary arm 173.

[0507] The second manual operating component 180 includes a second operating section 181. The second operating section 181 is configured to move upward from the second movable piece 155a. The second operating section 181 has a contact portion 185 at its lower end (see reference). Figure 28 ).

[0508] The second manual operating component 180 includes a second arm 182. The second arm 182 has the same shape, structure, and size as the first arm 172 and performs the same function as the first arm 172. The first end 182a of the second arm 182 is connected to the first end 183a of the second auxiliary arm 183.

[0509] The switch plate 151 has a first bent portion 174 and a second bent portion 184. The first bent portion 174 is a portion that includes the boundary portion of the first arm 172 and the first auxiliary arm 173 and is bent into a U-shape. The second bent portion 184 is a portion that includes the boundary portion of the second arm 182 and the second auxiliary arm 183 and is bent into a U-shape.

[0510] In this fourth embodiment, a reference plane is also defined. The reference plane is: (i) a virtual plane orthogonal to the downward direction and (ii) passing through the second end 172b of the first arm 172 and the second end 182b of the second arm 182. The first end 172a of the first arm 172 and the first end 182a of the second arm 182 move downward from the reference plane in the initial state.

[0511] The relationship between the distance at the distal end of the arm and the distance to the switch surface in the first embodiment is also applied in the same way to the distance between the first manual operating component 170 and the first movable piece 154a, and between the second manual operating component 180 and the second movable piece 155a in this fourth embodiment.

[0512] The relationship between the first angle α1 and the second angle β1 in the first embodiment is also applied to the first and second manual operation components 170 and 180 in this fourth embodiment.

[0513] The relationship between the first spring constant and the second spring constant in the first embodiment is also applied in the same way to the first and second manual operation components 170 and 180 in this fourth embodiment.

[0514] The magnitude relationships of various distances along the reference plane in the first embodiment are also applied in the same way to the first and second manual operation components 170 and 180 of this fourth embodiment.

[0515] Reference Figure 28 This section describes other features of the fourth embodiment.

[0516] The first arm 172 has a first starting portion 1721. The first starting portion 1721 corresponds to the portion of the first arm 172 extending from its first end 172a toward a first extending starting direction D11. The first extending starting direction D11 is the direction in which the first arm 172 extends from its first end 172a when viewed from the outside of the first arm 172 downwards. In other words, the first extending starting direction D11 is the component of the direction in which the first arm 172 extends from its first end 172a, parallel to a reference plane. Furthermore, in Figure 28 In the middle, the reference plane is the same as that Figure 29 The plane parallel to the paper.

[0517] The first arm 172 also includes a first continuous portion 1722. The first continuous portion 1722 corresponds to the portion of the first arm 172 that extends from the end of the first starting portion 1721 toward a first extending continuous direction D12. The first extending continuous direction D12 is the direction in which the first arm 172 extends from the end of the first starting portion 1721 (i.e., the end opposite to the first end 172a) when viewed from the outside and downwards. In other words, the first extending continuous direction D12 is the component of the direction in which the first continuous portion 1722 extends from the first starting portion 1721, and is parallel to the reference plane. Furthermore, the first extending continuous direction D12 is different from the first extending starting direction D11.

[0518] Similarly, the second arm 182 has a second starting portion 1821. The second starting portion 1821 corresponds to the portion of the second arm 182 that extends from the first end 182a toward the second extending starting direction D21. The second extending starting direction D21 is the direction in which the second arm 182 extends from the first end 182a when viewed from the outside of the second arm 182 downwards. In other words, the second extending starting direction D21 is the component of the direction in which the second arm 182 extends from the first end 182a, and is parallel to the reference plane.

[0519] The second arm 182 also includes a second continuous portion 1822. The second continuous portion 1822 corresponds to the portion of the second arm 182 that extends from the end of the second starting portion 1821 toward a second extending continuous direction D22. The second extending continuous direction D22 is the direction in which the second arm 182 extends from the end of the second starting portion 1821 (i.e., the end opposite to the first end 182a) when viewed from the outside and downwards. In other words, the second extending continuous direction D22 is the component of the direction in which the second continuous portion 1822 extends from the second starting portion 1821, parallel to the reference plane. Furthermore, the second extending continuous direction D22 is different from the second extending starting direction D21.

[0520] Furthermore, both the first continuous portion 1722 and the second continuous portion 1822 extend toward the virtual line Lo. The virtual line Lo is a virtual line passing through the second end 172b of the first arm 172 and the second end 182b of the second arm 182.

[0521] Additionally, the first arm 172 extends from its first end 172a toward the first end 182a of the second arm 182. The second arm 182 extends from its first end 182a toward the first end 172a of the first arm 172.

[0522] Additionally, the angle between the first extension starting direction D11 and the second extension starting direction D21 is greater than 170° and less than 180°. This angle can also be 180°.

[0523] [2-5. Other Implementation Methods]

[0524] While the embodiments of the present invention have been described above, the present invention is not limited to the embodiments described above, and various modifications can be made to implement it.

[0525] In the above embodiments, the switching unit includes a buckling portion. However, having a buckling portion is not mandatory.

[0526] Figure 29 An example of a switching unit without a buckling portion is shown. Figure 14 Compared with the second embodiment Figure 29 The XVI-XVI section corresponds to this. Figure 29 In this document, the same reference numerals are used for the same constituent elements as in the second embodiment.

[0527] exist Figure 29 In this structure, the support member 900 includes a rib 900a. The rib 900a extends downward from the edge of the first opening 21. The width (length in the vertical direction on the paper) of the rib 900a is greater than the width of the first arm 82. However, the width of the rib 900a can also be appropriately determined.

[0528] The first arm 82 extends from the lower end of the rib 900a. That is, the first end 82a of the first arm 82 exists at the lower end of the rib 900a.

[0529] In this configuration, pressing the first movable piece 66a appropriately can achieve the same effect as in the second embodiment.

[0530] The first end 82a of the first arm 82 can also be supported by any component. The first arm 82 can also be supported by the auxiliary arms described in the above embodiments. ​ The ribs 900a are supported by support components of different shapes.

[0531] [2-6. Supplement]

[0532] In the above embodiments, multiple functions implemented by one component can be implemented by multiple components, and one function implemented by one component can be implemented by multiple components. Furthermore, multiple functions implemented by multiple components can be implemented by one component, and one function implemented by multiple components can be implemented by one component. Additionally, a portion of the configuration in the above embodiments can be omitted. Furthermore, at least a portion of the configuration of one embodiment can be added to, or replaced by, the configuration of another embodiment.

Claims

1. An electrical device for field use, characterized in that, The on-site electrical equipment includes: A first switch having a first movable piece configured to move in the first direction in response to receiving a first load in the first direction; The first manual operating component includes a first operating part and a first arm having a first end and a second end; and A support body, which is connected to the first end of the first arm, thereby supporting the first manually operated component. The first operating unit (i) is positioned away from the first movable piece in a second direction opposite to the first direction, and (ii) is configured to shift in the first direction in accordance with manual operation in the first direction, thereby applying the first load to the first movable piece. The second end is connected to the first operating part. The first end is spaced apart from the first reference plane toward the first direction in the first initial state. The first initial state corresponds to the state in which the first manual operating component is not manually operated. The first reference plane is a virtual plane that is orthogonal to the first direction and passes through the second end.

2. The field electrical equipment according to claim 1, characterized in that, The first movable piece has a switching surface, which (i) corresponds to the surface of the first movable piece, and (ii) is configured such that the first operating part contacts the switching surface, thereby receiving the first load from the first operating part. The distance from the distal end of the arm is above the distance from the switch surface. The distal distance of the arm is the distance along the first direction from the first reference plane to the first end of the first arm in the first initial state. The distance to the switch surface is the distance along the first direction from the first reference plane to the switch surface in the first initial state.

3. The field electrical equipment according to claim 1 or 2, characterized in that, The first manual operation component is configured to shift in the first direction with the first end as a fulcrum, corresponding to the manual operation of the first operation part in the first direction.

4. The field electrical equipment according to any one of claims 1 to 3, characterized in that, The first arm has: The first starting portion extends from the first end of the first arm toward the first extension starting direction, which is orthogonal to the first direction; as well as The first continuous portion extends from the end of the first starting portion toward a first extending continuous direction, which is orthogonal to the first direction and different from the first extending starting direction.

5. The field electrical equipment according to any one of claims 1 to 4, characterized in that, The first arm has a width and a thickness. The width is the length in a direction orthogonal to the direction in which the first arm extends and parallel to the first reference plane. The thickness is the length in a direction orthogonal to both the direction in which the first arm extends and the width. The width is more than twice the thickness.

6. The field electrical equipment according to any one of claims 1 to 5, characterized in that, The support body includes: a first opening extending through in the first direction. The first manual operating component is disposed within the first opening. The field electrical equipment also includes a light emitter, which (i) is positioned away from the first opening toward the first direction and (ii) is configured to radiate light through the first opening.

7. The field electrical equipment according to any one of claims 1 to 6, characterized in that, The support body has a first auxiliary arm, which (i) extends from the first end of the first arm toward a direction close to the first reference plane, and (ii) has a first auxiliary end and a second auxiliary end, the first auxiliary end being connected to the first end of the first arm.

8. The field electrical equipment according to claim 7, characterized in that, The distance in the first plane of the first arm is longer than the distance in the second plane of the first auxiliary arm. The first planar distance is the distance from the first end of the first arm to the second end in a direction parallel to the first reference plane. The second planar distance is the distance from the first auxiliary end of the first auxiliary arm to the second auxiliary end in a direction parallel to the first reference plane.

9. The field electrical equipment according to claim 7 or 8, characterized in that, The first angle of the first arm is smaller than the second angle of the first auxiliary arm. The first angle (i) is the angle formed by the first reference plane and the main extension direction, the main extension direction being the direction from the first end of the first arm toward the second end, and (ii) is less than 90 degrees. The second angle (i) is the angle formed by the first reference plane and the auxiliary extension direction, the auxiliary extension direction is the direction from the first auxiliary end of the first auxiliary arm toward the second auxiliary end, and (ii) is less than 90 degrees.

10. The field electrical equipment according to any one of claims 7 to 9, characterized in that, The field electrical equipment also includes a one-piece molded part, which has the form of a single component including the first arm, the first auxiliary arm, and the bending portion. The buckling portion (i) is located at the boundary between the first arm and the first auxiliary arm, (ii) corresponds to the buckled portion in the integrally molded article, and (iii) is configured to elastically deform in response to the manual operation of the first operating portion toward the first direction, thereby causing the first operating portion to shift toward the first direction.

11. The field electrical equipment according to claim 10, characterized in that, The support body includes a support member, and the second auxiliary end of the first auxiliary arm is integrally connected to the support member, thereby the support member supports the first manual operation member by means of the first auxiliary arm. The first auxiliary arm is configured to elastically deform with the second auxiliary end as a fulcrum. The first spring constant of the second auxiliary end of the first auxiliary arm is greater than the second spring constant of the buckling portion. The first spring constant represents the ease of elastic deformation of the second auxiliary end, and the second spring constant represents the ease of elastic deformation of the buckling portion.

12. The field electrical equipment according to any one of claims 1 to 11, characterized in that, The on-site electrical equipment also includes: A second switch having a second movable piece configured to move toward the first direction in response to a second load received in the first direction; and The second manual operating component includes a second operating part and a second arm having a first end and a second end. The second operating unit (i) is positioned away from the second movable piece in the second direction, and (ii) is configured to shift in the first direction in accordance with manual operation in the first direction, thereby applying the second load to the second movable piece. The second end of the second arm is connected to the second operating part. The first end of the second arm is spaced apart from the second reference plane toward the first direction in the second initial state. The second initial state corresponds to the state in which the second manual operating part is not manually operated. The second reference plane is a virtual plane that is orthogonal to the first direction and passes through the second end of the second arm.

13. The field electrical equipment according to claim 12, characterized in that, The first arm extends from the first end of the first arm in a direction away from the first end of the second arm. The second arm extends from the first end of the second arm toward the direction away from the first end of the first arm.

14. The field electrical equipment according to claim 13, characterized in that, The angle between the first extension starting direction of the first arm and the second extension starting direction of the second arm is greater than 170° and less than 180°. The first extension starting direction is the direction in which the first arm extends from the first end of the first arm and is orthogonal to the first direction. The second extension starting direction is the direction in which the second arm extends from the first end of the second arm and is orthogonal to the first direction.

15. The field electrical equipment according to claim 14, characterized in that, The first arm includes: a first starting portion extending from a first end of the first arm toward a first extension starting direction; and a first continuing portion extending from the end of the first starting portion toward a first extension continuing direction, the first extension continuing direction being orthogonal to the first direction and different from the first extension starting direction. The second arm includes: a second starting portion extending from the first end of the second arm toward the second extending starting direction; and a second continuing portion extending from the end of the second starting portion toward the second extending continuing direction, the second extending continuing direction being orthogonal to the first direction and different from the second extending starting direction. Both the first continuous portion and the second continuous portion extend toward a virtual straight line passing through the second end of the first arm and the second end of the second arm.

16. The field electrical equipment according to claim 12, characterized in that, The on-site electrical equipment also includes: A third switch having a third movable piece configured to move toward the first direction in response to receiving a third load in the first direction; and The third manual operating component includes a third operating part and a third arm having a first end and a second end. The third operating unit (i) is positioned away from the third movable piece in the second direction, and (ii) is configured to shift in the first direction in accordance with manual operation in the first direction, thereby applying the third load to the third movable piece. In the third initial state, the first end of the third arm is spaced apart from the third reference plane toward the first direction by a distance. The third initial state corresponds to the state in which the third manual operation component is not manually operated. The third reference plane is a virtual plane orthogonal to the first direction and passing through the second end of the third arm. The first operating unit, the second operating unit, and the third operating unit are not on the same straight line.

17. The field electrical equipment according to claim 16, characterized in that, The angle between the first departure direction and the second departure direction is greater than 80° and less than 100°. The first departure direction is a direction from the second operating part toward the first operating part and is orthogonal to the first direction. The second departure direction is from the second operating unit toward the third operating unit and is orthogonal to the first direction.

18. The field electrical equipment according to claim 17, characterized in that, The field electrical equipment also includes a display unit, which (i) is located at a position away from the second switch in the third departure direction, and (ii) is configured to display information related to the operation of the field electrical equipment. The third departure direction is the direction obtained by combining the first departure direction and the second departure direction.

19. The field electrical equipment according to any one of claims 16 to 18, characterized in that, At least two of the following directions are different: the first extension starting direction of the first arm, the second extension starting direction of the second arm, and the third extension starting direction of the third arm. The first extension starting direction is the direction in which the first arm extends from the first end of the first arm and is orthogonal to the first direction. The second extension begins in the direction in which the second arm extends from the first end of the second arm and is orthogonal to the first direction. The third extension starting direction is the direction in which the third arm extends from the first end of the third arm and is orthogonal to the first direction.

20. The field electrical equipment according to claim 19, characterized in that, The first extension starting direction, the second extension starting direction, and the third extension starting direction are different from each other.

21. The field electrical equipment according to claim 19 or 20, characterized in that, The angle between the second extension starting direction and the third extension starting direction is greater than 170° and less than 180°.

22. The field electrical equipment according to any one of claims 19 to 21, characterized in that, The first extension starting direction is not parallel to the second extension starting direction and the third extension starting direction.

23. The field electrical equipment according to any one of claims 1 to 22, characterized in that, The field electrical equipment also includes a housing that (i) houses the first switch and (ii) comprises a first housing and a second housing that are combined with each other. The support (i) has a plate-like shape, and (ii) has an outer periphery. The first outer casing includes a first support portion, and a first outer peripheral portion of the support body is embedded in the first support portion, thereby supporting the support body. The first outer peripheral portion is a first part of the outer periphery. The second outer shell includes a second support portion, into which a second outer peripheral portion of the support body is embedded, thereby supporting the support body. The second outer peripheral portion is a second part of the outer periphery and is different from the first outer peripheral portion. The shape of the second outer peripheral portion is different from the shape of the first outer peripheral portion.

24. The field electrical equipment according to claim 23, characterized in that, The support body is configured such that, from its unassembled state, it is inserted relative to the first support portion in a predetermined insertion direction. The unassembled state is the state in which the support body is not installed on the outer shell and the second outer shell has been separated from the first outer shell.

25. The field electrical equipment according to claim 24, characterized in that, The outer periphery of the support includes: a first straight region, which is a straight region including one of the two boundaries of the first outer periphery portion and the second outer periphery portion; and a second straight region, which is a straight region including the other of the two boundaries.

26. The field electrical equipment according to claim 25, characterized in that, The first straight line region and the second straight line region are parallel to the embedding direction.

27. The field electrical equipment according to any one of claims 24 to 26, characterized in that, The first outer peripheral portion has: a first curved region and a second curved region, respectively. The second outer peripheral portion has: a third curved region and a fourth curved region, respectively. The curvature of the first curved region and the curvature of the second curved region are greater than the curvature of the third curved region and the curvature of the fourth curved region.

28. The field electrical equipment according to any one of claims 1 to 27, characterized in that, The field electrical equipment includes: an electrical load; a control circuit configured to control the electrical load; and a circuit board, (i) the control circuit is mounted on the circuit board, and (ii) the first switch and the support are fixed to the circuit board.

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