Electric working machine

By designing the sheath in the electric operation machine, it is stored between the power supply housing and the electrical components, and introducing the unnecessary sheath part into the shell, the problem of difficult to peel off the wire harness for relay is solved, and the electric operation machine is realized Compact design and reduced cost.

CN119108944APending Publication Date: 2024-12-10MAKITA CORP
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Patent Information

Application Number
CN202410348681.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2023-06-07
Filing Date
2024-03-26
Publication Date
2024-12-10

AI Technical Summary

Technical Problem

In electric operation machines, relay harnesses with sheaths are difficult to partially peel off at the intermediate parts, resulting in increased costs and larger product products.

Method used

The sheath design is adopted to allow it to be accommodated between the power housing and the electrical components, and the unnecessary sheath part is pulled out through the sheath design and introduced into the housing to reduce product volume.

Benefits of technology

It effectively suppresses the scale-up of electric operation machines and reduces production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides an electric working machine which can restrain enlargement of the electric working machine. An electric working machine (1A) is provided with: a power supply unit (2A); a first electrical component (4A); a second electrical component (6A); a first electric wire (3A) that connects the power supply unit and the first electric component; a second electric wire (5A) that connects the power supply unit and the second electric component; a power source housing (7A) that accommodates the power source supply unit; a first housing (8A) that accommodates the first electrical component; a second housing (9A) that accommodates the second electrical component; and a sheath (10A) that houses the first electric wire and the second electric wire, the sheath having a first end portion that is housed in the power source housing and a second end portion that is housed in the first housing. The second electric wire pulled out from the sheath is introduced into the second housing.
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Description

Technical Field

[0001] The invention relates to an electric working machine. Background Art

[0002] For example, as described in Japanese Patent Publication No. 2022-186580, when electrical components are housed in different housings, there is a need for a relay harness for connecting to each housing from a power source or a control unit, and a connection terminal for connecting the harnesses to each other or connecting the harnesses to the electrical components. The relay harness needs to be protected from bending or external forces when it is arranged outside the housing. Accordingly, a protective member such as a sheath or a protective cover such as a bellows is required around the harness so that the protective member does not expose to the outside. Summary of the invention

[0003] When a sheath is required as a protection for a wire harness, it is difficult to partially peel off the sheath at the middle part of the wire harness during the manufacturing process of the relay wire harness. When a sheathed wire harness is used, the required amount is cut from the sheathed wire harness bundled on a reel, and the unnecessary sheaths at both ends of the cut wire harness are peeled off to process the exposed wire harness portion. Since such processing is required, the operation of peeling off the sheath at the middle part of the sheathed wire harness is usually not performed. Therefore, a relay wire harness or a connecting terminal is required between each housing. As a result, there are disadvantages such as increased costs due to the relay wire harness and the connecting terminal, and larger products due to the space for accommodating the connecting terminal.

[0004] An object of the present invention is to suppress an increase in the size of an electric working machine.

[0005] A first aspect of the present invention relates to an electric working machine, wherein:

[0006] The electric working machine comprises:

[0007] Power supply unit;

[0008] 1st electrical component;

[0009] The second electrical component;

[0010] a first electric wire connecting the power supply unit and the first electric component;

[0011] a second electric wire connecting the power supply unit and the second electric component;

[0012] A power supply housing for housing the power supply unit;

[0013] a first housing that accommodates the first electrical component but does not accommodate the second electrical component;

[0014] a second housing that accommodates the second electrical component but does not accommodate the first electrical component; and

[0015] a sheath for housing the first electric wire and the second electric wire, the sheath having a first end portion housed in the power supply housing and a second end portion housed in the first housing,

[0016] The second electric wires pulled out from the sheath are introduced into the second housing.

[0017] A second aspect of the present invention relates to an electric working machine, wherein:

[0018] The electric working machine comprises:

[0019] Power supply unit;

[0020] 1st electrical component;

[0021] The second electrical component;

[0022] a first electric wire connecting the first electric component and the second electric component;

[0023] a second electric wire connecting the power supply unit and the second electric component;

[0024] A power supply housing for housing the power supply unit;

[0025] a first housing that accommodates the first electrical component but does not accommodate the second electrical component;

[0026] a second housing that accommodates the second electrical component but does not accommodate the first electrical component; and

[0027] a sheath that accommodates the first electric wire and the second electric wire, and the sheath has a first end portion accommodated in the second housing and a second end portion accommodated in the first housing,

[0028] The second electric wire pulled out from the sheath is introduced into the power source casing.

[0029]

Effects of the invention

[0030] According to the present invention, it is possible to suppress an increase in size of the electric working machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the electric working machine according to the first embodiment.

[0032] Figure 2 It is a cross-sectional view of the sheath according to the first embodiment.

[0033] Figure 3 It is a schematic diagram of the electric working machine according to the second embodiment.

[0034] Figure 4 It is a schematic diagram of an electric working machine according to a third embodiment.

[0035] Figure 5 It is a schematic diagram of an electric working machine according to a fourth embodiment.

[0036] Figure 6 It is a schematic diagram of an electric working machine according to a fifth embodiment.

[0037] Figure 7 It is a side view of the electric working machine according to the sixth embodiment.

[0038] Figure 8 It is a schematic diagram of an electric working machine according to a sixth embodiment.

[0039] Fig. 9 It is a diagram showing a part of the electric working machine according to the sixth embodiment.

[0040] Fig.10 It is a diagram showing a part of the electric working machine according to the sixth embodiment.

[0041] Fig.11 It is a diagram showing a part of the electric working machine according to the sixth embodiment.

[0042] Fig.12 This is a diagram showing an example of a connector according to a sixth embodiment.

[0043] Fig.13 This is a diagram showing an example of a connector according to a sixth embodiment.

[0044] Fig.14 This is a diagram showing an example of a connector according to a sixth embodiment.

[0045] Fig.15 It is a side view of the electric working machine according to the seventh embodiment.

[0046] Fig.16 It is a schematic diagram of an electric working machine according to a seventh embodiment.

[0047] Fig.17 It is a side view of the electric working machine according to the eighth embodiment.

[0048] Fig.18 It is a schematic diagram of an electric working machine according to an eighth embodiment.

[0049] Fig.19 It is a side view of the electric working machine according to the ninth embodiment.

[0050] Fig. 20 It is a schematic diagram of an electric working machine according to a ninth embodiment.

[0051] Fig.21 It is a side view of the electric working machine according to the tenth embodiment.

[0052] Fig. 22 It is a schematic diagram of an electric working machine according to a tenth embodiment.

[0053] Description of Reference Numerals

[0054] 1A…Electric working machine; 1B…Electric working machine; 1C…Electric working machine; 1D…Electric working machine; 1E…Electric working machine; 1F…Electric working machine; 1G…Electric working machine; 1H…Electric working machine; 1J…Electric working machine; 1K…Electric working machine; 2A…Power supply unit; 2B…Power supply unit; 2C…Power supply unit; 2D…Power supply unit; 2E…Power supply unit; 2F…Battery connecting unit; 2G…Battery connecting unit; 2H…Battery connecting unit; 2J…Battery connecting unit; 2K…Battery connecting unit; 3A…1st electric wire; 3B…1st electric wire; 3C…1st electric wire; 3D…1st electric wire; 3E…1st electric wire; 3F…1st electric wire; 3Fa…Power line; 3Fb…Signal line; 3G…1st electric wire; 3Ga…power line; 3Gb…signal line; 3H…1st electric wire; 3J…1st electric wire; 3K…1st electric wire; 4A…1st electric component; 4B…1st electric component; 4C…1st electric component; 4D…1st electric component; 4E…1st electric component; 4F…motor; 4G…motor; 4H…motor; 4J…motor; 4K…motor; 5A…2nd electric wire; 5B…2nd electric wire; 5C…2nd electric wire; 5D…2nd electric wire; 5E…2nd electric wire; 5F…2nd electric wire; 5G…2nd electric wire; 5H…2nd electric wire; 5J…2nd electric wire; 5K…2nd electric wire; 6A…2nd electric component; 6B…2nd electric component; 6C…2nd electric component; 6D…2nd electric component; 6E… …second electrical component; 6F…lamp; 6G…indicator; 6H…indicator; 6J…indicator; 7A…power supply housing; 7B…power supply housing; 7C…power supply housing; 7D…power supply housing; 7E…power supply housing; 7F…power supply housing; 7G…power supply housing; 7H…power supply housing; 7J…power supply housing; 7K…power supply housing; 8A…first housing; 8B…first housing; 8C…first housing; 8D…first housing; 8E…first housing; 8F…first housing; 8G…first housing; 8H…first housing; 8J…first housing; 8K…first housing; 9A…second housing; 9B…second housing; 9C…second housing; 9D…second housing; 9E…second housing; 9F…second housing; 9G…second housing; 9H…Second housing; 9J…Second housing; 9K…Second housing; 10A…Sheath; 10B…Sheath; 10C…Sheath; 10D…Sheath; 10E…Sheath; 10F…Sheath; 10G…Sheath; 10H…Sheath; 10J…Sheath; 10K…Sheath; 11C…First connecting member; 12C…Second connecting member; 13D…Sheath cover; 13F…Sheath cover; 13G…Sheath cover; 13H…Sheath cover; 13J…Sheath cover; 13K…Sheath cover; 14F…Battery; 14G…Battery; 14H…Battery; 14J…Battery; 14K…Battery; 15F…Switch; 15K…Switch; 16F…Indicator; 16K…Indicator; 17F…Control unit; 17G…Control unit;17H…control unit; 17J…control unit; 17K…control unit; 18F…tube; 18G…tube; 18H…tube; 18J…tube; 19F…handle; 20F…handle; 20G…handle; 20H…handle; 21F…cleaning member; 22F…rotor shaft; 23G…mower blade; 23H…mower blade; 24J…blade; 25K…wheel; 26…sensor substrate; 30…connector; 32…connector; 32A…housing; 32B…housing; 32C…engaging unit; 32D…claw; 35…connector; 35A…housing; 35B…housing; 35C…engaging unit; 35D…claw; 38…connector; 38A…housing; 38B…housing; 38C…male terminal. ; DETAILED DESCRIPTION

[0055] The embodiments are described below with reference to the accompanying drawings. In the embodiments, the terms left, right, front, rear, top, and bottom are used to describe the positional relationship of each part. These terms represent relative positions or directions based on the center of the electric working machine.

[0056] [First embodiment]

[0057] Figure 1 Schematic diagram of an electric working machine 1A according to the present embodiment. Figure 1 As shown, the electric working machine 1A includes a power supply unit 2A, a first electric component 4A, a second electric component 6A, a power supply housing 7A, a first housing 8A, a second housing 9A, and a sheath 10A. The first electric component 4A is connected to the power supply unit 2A via a first electric wire 3A. The second electric component 6A is connected to the power supply unit 2A via a second electric wire 5A.

[0058] The power supply housing 7A accommodates the power supply unit 2A. The first housing 8A accommodates the first electrical component 4A, but does not accommodate the second electrical component 6A. The second housing 9A accommodates the second electrical component 6A, but does not accommodate the first electrical component 4A. The sheath 10A accommodates the first electric wire 3A and the second electric wire 5A. The right end of the sheath 10A is accommodated in the power supply housing 7A. The left end of the sheath 10A is accommodated in the first housing 8A. The second electric wire 5A pulled out from the left end of the sheath 10A is introduced into the second housing 9A.

[0059] The power supply unit 2A and the first electric component 4A are arranged along the left-right direction. The second electric component 6A is arranged at a position between the power supply unit 2A and the first electric component 4A in the left-right direction.

[0060] The second electric wire 5A is pulled out from the left end of the sheath 10A and from the left, is folded back toward the right, and then introduced into the second housing 9A.

[0061] The sheath 10A does not pass through the second housing 9A.

[0062] Figure 2 1 is a cross-sectional view of the sheath 10A of the present embodiment. The sheath 10A accommodates a plurality of first electric wires 3A and a plurality of second electric wires 5A. The sheath 10A of the present embodiment accommodates two first electric wires 3A and two second electric wires 5A. The sheath 10A is an electrical insulating component. The material forming the sheath 10A is, for example, rubber. The sheath 10A is substantially cylindrical.

[0063] As described above, the electric working machine 1A of the present embodiment may include: a power supply unit 2A; a first electric component 4A; a second electric component 6A; a first electric wire 3A that connects the power supply unit 2A and the first electric component 4A; a second electric wire 5A that connects the power supply unit 2A and the second electric component 6A; a power supply housing 7A that accommodates the power supply unit 2A; a first housing 8A that accommodates the first electric component 4A but does not accommodate the second electric component 6A; a second housing 9A that accommodates the second electric component 6A but does not accommodate the first electric component 4A; and a sheath 10A that accommodates the first electric wire 3A and the second electric wire 5A. The sheath 10A may include: a right end portion (first end portion) accommodated in the power supply housing 7A, and a left end portion (second end portion) accommodated in the first housing 8A. The second electric wire 5A pulled out from the sheath 10A may be introduced into the second housing 9A.

[0064] In the above-described configuration, power is supplied to the first electric component 4A and the second electric component 6A through one sheath 10A, respectively. This can prevent the electric working machine 1A from being enlarged.

[0065] In this embodiment, the power supply unit 2A and the first electric component 4A may be arranged along the left-right direction, and the second electric component 6A may be arranged between the power supply unit 2A and the first electric component 4A in the left-right direction.

[0066] This can suppress an increase in size of the electric working machine 1A.

[0067] In the present embodiment, the second electric wires 5A pulled out from the sheath 10A can be folded back and then introduced into the second housing 9A.

[0068] This can suppress an increase in size of the electric working machine 1A.

[0069] The sheath 10A of the present embodiment does not need to pass through the second housing 9A.

[0070] This can suppress an increase in size of the electric working machine 1A.

[0071] [Second embodiment]

[0072] In the following description, descriptions of components that are the same as or equivalent to those of the above-mentioned embodiment are simplified or omitted.

[0073] Figure 3 Schematic diagram of an electric working machine 1B according to this embodiment. Figure 3 As shown, the electric working machine 1B includes a power supply unit 2B, a first electric component 4B, a second electric component 6B, a power supply housing 7B, a first housing 8B, a second housing 9B, and a sheath 10B. The first electric component 4B is connected to the power supply unit 2B via a first electric wire 3B. The second electric component 6B is connected to the power supply unit 2B via a second electric wire 5B.

[0074] The power supply housing 7B accommodates the power supply unit 2B. The first housing 8B accommodates the first electrical component 4B, but does not accommodate the second electrical component 6B. The second housing 9B accommodates the second electrical component 6B, but does not accommodate the first electrical component 4B. The sheath 10B accommodates the first electric wire 3B and the second electric wire 5B. The right end of the sheath 10B is accommodated in the power supply housing 7B. The left end of the sheath 10B is accommodated in the first housing 8B. The second electric wire 5B pulled out from the left end of the sheath 10B is introduced into the second housing 9B.

[0075] The power supply unit 2B and the first electric component 4B are arranged along the left-right direction. The second electric component 6B is arranged at a position between the power supply unit 2B and the first electric component 4B in the left-right direction.

[0076] The second electric wire 5B pulled out from the left side from the left end portion of the sheath 10B is folded back toward the right side and then introduced into the second housing 9B.

[0077] The sheath 10B passes through the second housing 9B.

[0078] As described above, the sheath 10B of the present embodiment can pass through the second housing 9B.

[0079] Thereby, the sheath 10B is supported by the second housing 9B.

[0080] [Third Embodiment]

[0081] In the following description, descriptions of components that are the same as or equivalent to those of the above-mentioned embodiment are simplified or omitted.

[0082] Figure 4 Schematic diagram of an electric working machine 1C according to this embodiment. Figure 4 As shown, the electric working machine 1C includes a power supply unit 2C, a first electric component 4C, a second electric component 6C, a power supply housing 7C, a first housing 8C, a second housing 9C, and a sheath 10C. The first electric component 4C is connected to the power supply unit 2C via a first electric wire 3C. The second electric component 6C is connected to the power supply unit 2C via a second electric wire 5C.

[0083] The power supply housing 7C accommodates the power supply unit 2C. The first housing 8C accommodates the first electrical component 4C, but does not accommodate the second electrical component 6C. The second housing 9C accommodates the second electrical component 6C, but does not accommodate the first electrical component 4C. The sheath 10C accommodates the first electric wire 3C and the second electric wire 5C. The right end of the sheath 10C is accommodated in the power supply housing 7C. The left end of the sheath 10C is accommodated in the first housing 8C. The second electric wire 5C pulled out from the left end of the sheath 10C is introduced into the second housing 9C.

[0084] The power supply unit 2C and the first electric component 4C are arranged along the left-right direction. The second electric component 6C is arranged at a position between the power supply unit 2C and the first electric component 4C in the left-right direction.

[0085] The second electric wire 5C pulled out from the left side from the left end portion of the sheath 10C is folded back toward the right side and then introduced into the second housing 9C.

[0086] The sheath 10C does not pass through the second housing 9C.

[0087] The electric working machine 1C of the present embodiment includes a first connection member 11C that connects the power supply housing 7C and the first housing 8C. The first connection member 11C is, for example, a pipe or a rod. The first connection member 11C supports the sheath 10C.

[0088] The electric working machine 1C of the present embodiment includes a second connection member 12C that connects the first housing 8C and the second housing 9C. The second connection member 12C is, for example, a pipe or a rod. The second connection member 12C supports the second electric wire 5C pulled out from the sheath 10C.

[0089] As described above, the electric working machine 1C according to the present embodiment may include the first connection member 11C that connects the power supply housing 7C and the first housing 8C.

[0090] The first connection member 11C can support the sheath 10C.

[0091] The electric working machine 1C of the present embodiment may include a second connection member 12C that connects the first housing 8C and the second housing 9C.

[0092] The second connection member 12C can support the second electric wire 5C pulled out from the sheath 10C.

[0093] [Fourth embodiment]

[0094] A fourth embodiment will be described. In the following description, descriptions of components that are the same as or equivalent to those of the above-described embodiment are simplified or omitted.

[0095] Figure 5 Schematic diagram of an electric working machine 1D according to this embodiment. Figure 5 As shown, the electric working machine 1D includes a power supply unit 2D, a first electric component 4D, a second electric component 6D, a power supply housing 7D, a first housing 8D, a second housing 9D, and a sheath 10D. The first electric component 4D is connected to the power supply unit 2D via a first electric wire 3D. The second electric component 6D is connected to the power supply unit 2D via a second electric wire 5D.

[0096] The power supply housing 7D accommodates the power supply unit 2D. The first housing 8D accommodates the first electrical component 4D, but does not accommodate the second electrical component 6D. The second housing 9D accommodates the second electrical component 6D, but does not accommodate the first electrical component 4D. The sheath 10D accommodates the first electric wire 3D and the second electric wire 5D. The right end of the sheath 10D is accommodated in the power supply housing 7D. The left end of the sheath 10D is accommodated in the first housing 8D. The second electric wire 5D pulled out from the left end of the sheath 10D is introduced into the second housing 9D.

[0097] The power supply unit 2D and the first electric component 4D are arranged along the left-right direction. The second electric component 6D is arranged at a position between the power supply unit 2D and the first electric component 4D in the left-right direction.

[0098] The second electric wire 5D pulled out from the left side from the left end portion of the sheath 10D is folded back toward the right side and then introduced into the second housing 9D.

[0099] The sheath 10D does not pass through the second housing 9D.

[0100] The electric working machine 1D of the present embodiment has a sheath cover 13D. The sheath cover 13D accommodates the sheath 10D and the second electric wire 5D passing from the outside of the sheath 10D. The second electric wire 5D that is pulled out from the left end of the sheath 10D and folded back toward the right is configured to be adjacent to the outer surface of the sheath 10D. The sheath cover 13D accommodates the sheath 10D and the second electric wire 5D adjacent to the outer surface of the sheath 10D. The sheath cover 13D is a tubular component. The sheath cover 13D of the present embodiment is a corrugated tube. The sheath cover 13D bundles the sheath 10D and the second electric wire 5D passing from the outside of the sheath 10D.

[0101] As described above, the electric working machine 1D according to the present embodiment may include the sheath cover 13D that accommodates the sheath 10D and the second electric wires 5D that pass through the outside of the sheath 10D.

[0102] As a result, the sheath 10D and the second electric wires 5D are bundled together by the sheath cover 13D.

[0103] [Fifth embodiment]

[0104] A fifth embodiment will be described. In the following description, descriptions of components that are the same as or equivalent to those of the above-described embodiment are simplified or omitted.

[0105] Figure 6 Schematic diagram of an electric working machine 1E according to this embodiment. Figure 6 As shown, the electric working machine 1E includes a power supply unit 2E, a second electric component 6E, a first electric component 4E, a power supply housing 7E, a first housing 8E, a second housing 9E, and a sheath 10E. The second electric component 6E is connected to the power supply unit 2E via a second electric wire 5E. The first electric component 4E is connected to the second electric component 6E via a first electric wire 3E.

[0106] The power supply housing 7E accommodates the power supply unit 2E. The first housing 8E accommodates the first electrical component 4E, but does not accommodate the second electrical component 6E. The second housing 9E accommodates the second electrical component 6E, but does not accommodate the first electrical component 4E. The sheath 10E accommodates the first electric wire 3E and the second electric wire 5E. The right end of the sheath 10E is accommodated in the second housing 9E. The left end of the sheath 10E is accommodated in the first housing 8E. The second electric wire 5E pulled out from the left end of the sheath 10E is introduced into the power supply housing 7E.

[0107] The first electric component 4E and the second electric component 6E are arranged along the left-right direction. The power supply unit 2E is arranged at a position between the first electric component 4E and the second electric component 6E in the left-right direction.

[0108] The second electric wire 5E pulled out from the left side from the left end portion of the sheath 10E is folded back toward the right side and then introduced into the power source casing 7E.

[0109] The sheath 10E does not pass through the power source casing 7E.

[0110] As described above, the electric working machine 1E of the present embodiment may include: a power supply unit 2E; a first electric component 4E; a second electric component 6E; a first electric wire 3E that connects the first electric component 4E and the second electric component 6E; a second electric wire 5E that connects the power supply unit 2E and the second electric component 6E; a power supply housing 7E that accommodates the power supply unit 2E; a first housing 8E that accommodates the first electric component 4E but does not accommodate the second electric component 6E; a second housing 9E that accommodates the second electric component 6E but does not accommodate the first electric component 4E; and a sheath 10E that accommodates the first electric wire 3E and the second electric wire 5E. The sheath 10E may include: a right end portion (first end portion) accommodated in the second housing 9E, and a left end portion (second end portion) accommodated in the first housing 8E. The second electric wire 5E pulled out from the sheath 10E may be introduced into the power supply housing 7E.

[0111] In the above-described configuration, power is supplied to the first electric component 4E and the second electric component 6E through one sheath 10E, respectively. This can prevent the electric working machine 1E from becoming larger in size.

[0112] In the present embodiment, the first electric component 4E and the second electric component 6E are arranged along the left-right direction. The power supply unit 2E may be arranged at a position between the first electric component 4E and the second electric component 6E in the left-right direction.

[0113] This can suppress an increase in size of the electric working machine 1E.

[0114] In one or more embodiments, the second electric wire 5E pulled out from the sheath 10E may be folded back and then introduced into the power source casing 7E.

[0115] This can suppress an increase in size of the electric working machine 1E.

[0116] [First electrical component and second electrical component]

[0117] In the above-mentioned first embodiment to fifth embodiment, the first electrical component and the second electrical component are, for example: an actuator (motor, solenoid), an LED (including COB), a sensor (temperature sensor, acceleration sensor), a display (organic EL display, electronic paper, liquid crystal display), a switch, a controller, a FET, and an external connector (USB terminal, wireless unit connection terminal).

[0118] [Sixth embodiment]

[0119] A sixth embodiment will be described. In the following description, descriptions of components that are the same as or equivalent to those of the above-described embodiment are simplified or omitted.

[0120] Figure 7 It is a side view of the electric working machine 1F according to the present embodiment. Figure 8 It is a schematic diagram of the electric working machine 1F. Fig. 9 This is a diagram showing a part of the electric working machine 1F. Fig.10 This is a diagram showing a part of the electric working machine 1F. Fig.11 1F is a diagram showing a part of an electric working machine 1F. The electric working machine 1F of the present embodiment is a scrubber.

[0121] The electric working machine 1F includes a battery connection part 2F, a control part 17F, a switch 15F, an indicator 16F, a motor 4F, a lamp 6F (LED), a power supply housing 7F, a first housing 8F, a second housing 9F, and a sheath 10F. A battery 14F is connected to the battery connection part 2F. The control part 17F is connected to the battery connection part 2F. The switch 15F is connected to the control part 17F. The indicator 16F is connected to the control part 17F. The motor 4F is connected to the battery connection part 2F through the control part 17F and through the first electric wire 3F. The lamp 6F is connected to the battery connection part 2F through the control part 17F and through the second electric wire 5F. The power supply housing 7F accommodates the battery connection part 2F, the control part 17F, the switch 15F, and the indicator 16F. The first housing 8F accommodates the motor 4F but does not accommodate the lamp 6F. The second housing 9F accommodates the lamp 6F but does not accommodate the motor 4F. The sheath 10F accommodates the first electric wire 3F and the second electric wire 5F. The rear end of the sheath 10F is accommodated in the power supply housing 7F. The front end of the sheath 10F is accommodated in the first housing 8F. The second electric wire 5F pulled out from the front end of the sheath 10F is introduced into the second housing 9F.

[0122] The electric working machine 1F of this embodiment includes a pipe 18F and a sheath cover 13F. The pipe 18F connects the power supply housing 7F and the second housing 9F. The sheath cover 13F accommodates the sheath 10F and the second electric wire 5F passing from the outside of the sheath 10F. The sheath 10F is arranged inside the pipe 18F.

[0123] like Figure 7 As shown, a handle 19F is provided at the rear of the power housing 7F. The switch 15F is arranged on the handle 19F. A handle 20F is provided in front of the power housing 7F. In addition, the electric working machine 1F has a cleaning part 21F which is rotated by a motor 4F. The motor 4F is an inner rotor type DC brushless motor. Fig.10 As shown in FIG. 2 , the rotor shaft 22F of the motor 4F protrudes downward from the motor 4F. The cleaning member 21F is connected to the rotor shaft 22F. Fig.11 As shown, the lamp 6F is housed in the second housing 9F. The lamp 6F is arranged so as to irradiate light from both the left and right sides of the first housing 8F.

[0124] In a small scrubber where more work is done in a narrow area, the cleaning surface is easily shadowed by obstacles. Accordingly, by adding a lamp 6F, the workability is improved. In the front end vibration prevention mechanism of the scrubber, especially when cleaning under a chair, table or shelf, the head can be freely changed in angle to perform the work, so the work becomes easy. However, in order to clean darker places, it is desirable to brightly illuminate the ground on the left and right sides of the front side of the front head. In the present embodiment, lamps 6F are arranged at two positions on the left and right of the front end of the Y-shaped arm (yoke) connecting the rod and the front head. The lamp 6F is arranged at a position and angle that can efficiently illuminate the ground in the front half of the head extending toward the far side when viewed from the operator's side within the range of the arm angle of the working range (from 0° horizontally to about 60° vertically).

[0125] Figure 12 to Figure 14 Each shows an example of the connector 30 according to the present embodiment.

[0126] Fig.12 A connector 32 with two pins is shown. The connector 32 includes a housing 32A and a housing 32B. The housing 32A holds the pin. The housing 32B includes a hole for inserting the pin. The housing 32B includes a claw 32D. The housing 32A includes a snap-fitting portion 32C for the claw 32D to be hooked. The snap-fitting portion 32C includes an opening for inserting the claw 32D. The housing 32A and the housing 32B are fixed by an inner locking structure. As a result, the pin is inserted into the hole, and the wire connected to the pin is connected to the wire connected to the hole.

[0127] Fig.13A connector 35 with 5 pins is shown. The connector 35 includes a housing 35A and a housing 35B. The housing 35A holds the pins. The housing 35B includes a hole for inserting the pins. The housing 35B includes a claw 35D. The housing 35A includes a snap-fitting portion 35C for the claw 35D to be hooked. The snap-fitting portion 35C includes an opening for inserting the claw 35D. The housing 35A and the housing 35B are fixed by an inner locking structure. As a result, the pins are inserted into the holes, and the wires connected to the pins and the wires connected to the holes are connected.

[0128] Fig.14 A connector 38 called a bullet-type terminal is shown. The connector 38 includes a housing 38A and a housing 38B. The housing 38A holds a male terminal 38C. The housing 38B holds a female terminal into which the male terminal 38C is inserted. By inserting the male terminal 38C into the female terminal, the electric wire connected to the male terminal 38C is connected to the electric wire connected to the female terminal.

[0129] In the present embodiment, the battery connection part 2F to which the battery 14F is connected corresponds to the power supply part. The battery 14F is detachable relative to the battery connection part 2F. Power is supplied from the battery 14F to the battery connection part 2F. The motor 4F corresponds to the first electrical component. The motor 4F is a driving source of the electric working machine 1F. The lamp 6F corresponds to the second electrical component. The lamp 6F illuminates the working object of the electric working machine 1F with illuminating light. The switch 15F is operated by the operator to start the motor 4F. The control unit 17F controls at least the motor 4F.

[0130] The electric working machine 1F has a plurality of first electric wires 3F. At least a portion of the first electric wires 3F is a power line 3Fa. The driving current supplied from the battery 14F to the motor 4F flows through the power line 3Fa. At least a portion of the first electric wires 3F is a signal line 3Fb. The signal line 3Fb is used to send a detection signal of a rotation sensor mounted on a sensor substrate 26 provided on the motor 4F to the control unit 17F. Fig.10 As shown, the electric working machine 1F includes three power supply lines 3Fa and five signal lines 3Fb.

[0131] The electric working machine 1F may include a plurality of second electric wires 5F. At least a portion of the second electric wires 5F is a power supply wire. The driving current supplied from the battery 14G to the lamp 6F flows through the power supply wire.

[0132] The connector 32 is used for connection of the power supply line 3Fa. The connector 35 is used for connection of the signal line 3Fb. The connector 35 is used for connection of the second electric wire 5F.

[0133] [Seventh embodiment]

[0134] A seventh embodiment will be described. In the following description, descriptions of components that are the same as or equivalent to those of the above-described embodiment are simplified or omitted.

[0135] Fig.15 It is a side view of the electric working machine 1G according to the present embodiment. Fig.16 1G is a schematic diagram of an electric working machine 1G. The electric working machine 1G of the present embodiment is a lawn mower.

[0136] The electric working machine 1G includes a battery connection part 2G, a control part 17G, a motor 4G, a switch and an indicator 6G, a power supply housing 7G, a first housing 8G, a second housing 9G, and a sheath 10G. A battery 14G is connected to the battery connection part 2G. The control part 17G is connected to the battery connection part 2G. The motor 4G is connected to the battery connection part 2G through the control part 17G and through the first electric wire 3G. The switch and the indicator 6G are connected to the battery connection part 2G through the control part 17G and through the second electric wire 5G. The power supply housing 7G accommodates the battery connection part 2G and the control part 17G. The first housing 8G accommodates the motor 4G, but does not accommodate the switch and the indicator 6G. The second housing 9G accommodates the switch and the indicator 6G, but does not accommodate the motor 4G. The sheath 10G accommodates the first electric wire 3G and the second electric wire 5G. The rear end of the sheath 10G is housed in the power supply housing 7G. The front end of the sheath 10G is housed in the first housing 8G. The second electric wire 5G drawn out from the front end of the sheath 10G is introduced into the second housing 9G.

[0137] The electric working machine 1G of this embodiment includes a pipe 18G and a sheath cover 13G. The pipe 18G connects the power supply housing 7G, the second housing 9G, and the first housing 8G. The sheath cover 13G accommodates the sheath 10G and the second electric wire 5G passing from the outside of the sheath 10G. The sheath 10G is supported by the pipe 18G.

[0138] like Fig.15 As shown in FIG. 1 , a handle 20G is provided at the front of the second housing 9G. The electric working machine 1G also includes a mowing blade 23G that is rotated by a motor 4G.

[0139] In the present embodiment, the battery connection part 2G to which the battery 14G is connected corresponds to the power supply part. The battery 14G is detachable relative to the battery connection part 2G. The motor 4G corresponds to the first electrical component. The motor 4G is a driving source of the electric working machine 1G. The switch and the indicator 6G correspond to the second electrical component. The switch is operated by the operator to start the motor 4G. The control unit 17G controls at least the motor 4G.

[0140] The electric working machine 1G has a plurality of first electric wires 3G. At least a portion of the first electric wires 3G is a power line 3Ga. The driving current supplied from the battery 14G to the motor 4G flows through the power line 3Ga. At least a portion of the first electric wires 3G is a signal line 3Gb. The signal line 3Gb is used to send a detection signal of a rotation sensor provided in the motor 4G to the control unit 17G.

[0141] The electric working machine 1G may include a plurality of second electric wires 5G. At least a portion of the second electric wires 5G is a signal wire. An electrical signal supplied from a switch operated to start the motor 4G to the control unit 17G that controls the motor 4G flows through the signal wire.

[0142] [Eighth embodiment]

[0143] The eighth embodiment will be described. In the following description, descriptions of components that are the same as or equivalent to those of the above-described embodiment are simplified or omitted.

[0144] Fig.17 It is a side view of the electric working machine 1H according to the present embodiment. Fig.18 1 is a schematic diagram of an electric working machine 1H. The electric working machine 1H of the present embodiment is a lawn mower.

[0145] The electric working machine 1H includes a battery connection portion 2H, a control portion 17H, a motor 4H, a switch and an indicator 6H, a power supply housing 7H, a first housing 8H, a second housing 9H, and a cover 10H. A battery 14H is connected to the battery connection portion 2H. The motor 4H is connected to the control portion 17H. The power supply housing 7H accommodates the battery connection portion 2H. The first housing 8H accommodates the motor 4H and the control portion 17H, but does not accommodate the switch and the indicator 6H. The second housing 9H accommodates the switch and the indicator 6H, but does not accommodate the motor 4H and the control portion 17H. The cover 10H accommodates the first electric wire 3H and the second electric wire 5H. The battery connection portion 2H and the control portion 17H are connected via the first electric wire 3H. The switch and the indicator 6H and the control portion 17H are connected via the second electric wire 5H. The rear end of the cover 10H is accommodated in the power supply housing 7H. The front end portion of the sheath 10H is housed in the first housing 8H. The second electric wires 5H pulled out from the rear end portion of the sheath 10H are introduced into the second housing 9H.

[0146] The electric working machine 1H of this embodiment includes a pipe 18H and a sheath cover 13H. The pipe 18H connects the power supply housing 7H, the second housing 9H, and the first housing 8H. The sheath cover 13H accommodates the sheath 10H and the second electric wire 5H passing from the outside of the sheath 10H. The sheath 10H is supported by the pipe 18H.

[0147] like Fig.17 As shown, a handle 20H is provided in front of the second housing 9H. In addition, the electric working machine 1H includes a mowing blade 23H which is rotated by a motor 4H.

[0148] In the present embodiment, the battery connection part 2H to which the battery 14H is connected corresponds to the power supply part. The battery 14H is detachable relative to the battery connection part 2H. The motor 4H corresponds to the first electrical component. The motor 4H is a driving source of the electric working machine 1H. The switch and indicator 6H correspond to the second electrical component. The switch is operated by the operator to start the motor 4H. The control unit 17H controls at least the motor 4H.

[0149] The electric working machine 1H has a plurality of first electric wires 3H. At least a portion of the first electric wires 3H is a power line. The driving current supplied from the battery 14H to the motor 4H flows through the power line. At least a portion of the first electric wires 3H is a signal line. The signal line is used to send a detection signal of a rotation sensor provided in the motor 4H to the control unit 17H.

[0150] The electric working machine 1H may include a plurality of second electric wires 5H. At least a portion of the second electric wires 5H is a signal wire. An electrical signal supplied from a switch operated to start the motor 4H to the control unit 17H that controls the motor 4H flows through the signal wire.

[0151] [Ninth embodiment]

[0152] A ninth embodiment will be described. In the following description, descriptions of components that are the same as or equivalent to those of the above-described embodiment are simplified or omitted.

[0153] Fig.19 It is a side view of the electric working machine 1J according to the present embodiment. Fig. 20 1 is a schematic diagram of an electric working machine 1J. The electric working machine 1J of the present embodiment is a hedge trimmer.

[0154] The electric working machine 1J includes a battery connection part 2J, a control part 17J, a motor 4J, a switch and an indicator 6J, a power supply housing 7J, a first housing 8J, a second housing 9J, and a sheath 10J. A battery 14J is connected to the battery connection part 2J. The control part 17J is connected to the battery connection part 2J. The motor 4J is connected to the battery connection part 2J through the control part 17J and through the first electric wire 3J. The switch and an indicator 6J is connected to the battery connection part 2J through the control part 17J and through the second electric wire 5J. The power supply housing 7J accommodates the battery connection part 2J and the control part 17J. The first housing 8J accommodates the motor 4J, but does not accommodate the switch and an indicator 6J. The second housing 9J accommodates the switch and an indicator 6J, but does not accommodate the motor 4J. The sheath 10J accommodates the first electric wire 3J and the second electric wire 5J. The rear end of the sheath 10J is accommodated in the power supply housing 7J. The front end portion of the sheath 10J is housed in the first housing 8J. The second electric wire 5J pulled out from the front end portion of the sheath 10J is introduced into the second housing 9J.

[0155] The electric working machine 1J of this embodiment includes a pipe 18J and a sheath cover 13J. The pipe 18J connects the power supply housing 7J and the second housing 9J. The sheath cover 13J accommodates the sheath 10J and the second electric wire 5J passing from the outside of the sheath 10J. The sheath 10J is supported by the pipe 18J.

[0156] like Fig.19 As shown, the electric working machine 1J includes a blade 24J that is rotated by a motor 4J.

[0157] In the present embodiment, the battery connection part 2J to which the battery 14J is connected corresponds to the power supply part. The battery 14J is detachable relative to the battery connection part 2J. The motor 4J corresponds to the first electrical component. The motor 4J is a driving source of the electric working machine 1J. The switch and indicator 6J correspond to the second electrical component. The switch is operated by the operator to start the motor 4J. The control unit 17J controls at least the motor 4J.

[0158] The electric working machine 1J has a plurality of first electric wires 3J. At least a portion of the first electric wires 3J is a power line. The driving current supplied from the battery 14J to the motor 4J flows through the power line. At least a portion of the first electric wires 3J is a signal line. The signal line is used to send a detection signal of a rotation sensor provided in the motor 4J to the control unit 17J.

[0159] The electric working machine 1J may include a plurality of second electric wires 5J. At least a portion of the second electric wires 5J is a signal wire. An electrical signal supplied from a switch operated to start the motor 4J to the control unit 17J that controls the motor 4J flows through the signal wire.

[0160] [10th embodiment]

[0161] A tenth embodiment will be described. In the following description, descriptions of components that are the same as or equivalent to those of the above-described embodiment are simplified or omitted.

[0162] Fig.21 It is a side view of the electric working machine 1K according to the present embodiment. Fig. 22 1K is a schematic diagram of an electric working machine 1K. The electric working machine 1K of the present embodiment is a vacuum cleaner.

[0163] The electric working machine 1K includes a battery connection part 2K, a control part 17K, a motor 4K, a switch 15K and an indicator 16K, a power supply housing 7K, a first housing 8K, a second housing 9K, and a sheath 10K. A battery 14K is connected to the battery connection part 2K. The motor 4K is connected to the control part 17K. The switch 15K and the indicator 16K are connected to the control part 17K. The power supply housing 7K accommodates the battery connection part 2K. The first housing 8K accommodates the motor 4K and the control part 17K, but does not accommodate the switch 15K and the indicator 16K. The second housing 9K accommodates the switch 15K and the indicator 16K, but does not accommodate the motor 4K and the control part 17K. The sheath 10K accommodates the first electric wire 3K and the second electric wire 5K. The upper end of the sheath 10K is accommodated in the second housing 9K. The lower end of the sheath 10K is accommodated in the first housing 8K. The second electric wire 5K pulled out from the sheath 10K is introduced into the power source casing 7K.

[0164] The electric working machine 1K includes a sheath cover 13K. The sheath cover 13K accommodates the sheath 10K and the second electric wires 5K passing from the outside of the sheath 10K.

[0165] like Fig.21 As shown, the electric working machine 1K includes a wheel 25K provided on a first housing 8K. The motor 4K is rotated to generate a suction force at a suction port provided on the lower surface of the first housing 8K.

[0166] In the present embodiment, the battery connection part 2K to which the battery 14K is connected corresponds to the power supply part. The battery 14K is detachable relative to the battery connection part 2K. The motor 4K corresponds to the first electrical component. The motor 4K is a driving source of the electric working machine 1K. The switch 15K and the indicator 16K correspond to the second electrical component. The switch 15K is operated by the operator to start the motor 4K. The control unit 17K controls at least the motor 4K.

[0167] The electric working machine 1K has a plurality of second electric wires 5K. At least a portion of the second electric wires 5K is a power supply wire. The driving current supplied from the battery 14K to the motor 4K flows through the power supply wire.

[0168] The electric working machine 1K may include a plurality of second electric wires 5K. At least a portion of the second electric wires 5K is a signal wire. An electrical signal supplied from a switch operated to start the motor 4K to the control unit 17K that controls the motor 4K flows through the signal wire.

[0169] [Other embodiments]

[0170] In the above embodiment, the electric working machine may be an electric working machine for screw tightening such as an impact driver, a drive drill, a screwdriver, and an angle impact driver. The electric working machine may be at least one of a circular saw, a reciprocating saw, a grinder, a hammer drill, and a chain saw. The electric working machine may be an electric working machine without a front end tool such as a blower, a dust collector, a vacuum cleaner, and a high-pressure cleaner.

[0171] In the above-described embodiment, the power supply unit of the electric working machine may be a commercial power source (AC power source).

Claims

1. An electric working machine (1A), characterized in that: The electric working machine (1A) comprises: Power supply unit (2A); A first electrical component (4A); A second electrical component (6A); a first electric wire (3A) connecting the power supply unit (2A) and the first electric component (4A); a second electric wire (5A) connecting the power supply unit (2A) and the second electric component (6A); A power supply housing (7A) for housing the power supply unit (2A); a first housing (8A) which accommodates the first electrical component (4A) but does not accommodate the second electrical component (6A); a second housing (9A) that accommodates the second electrical component (6A) but does not accommodate the first electrical component (4A); and a sheath (10A) for housing the first electric wire (3A) and the second electric wire (5A), wherein the sheath (10A) has a first end portion housed in the power supply housing (7A) and a second end portion housed in the first housing (8A), The second electric wire (5A) pulled out from the sheath (10A) is introduced into the second housing (9A).

2. The electric working machine (1A) according to claim 1, characterized in that: The power supply unit (2A) and the first electrical component (4A) are arranged along a first direction. The second electric component (6A) is arranged at a position between the power supply unit (2A) and the first electric component (4A) in the first direction.

3. The electric working machine (1A) according to claim 1 or 2, characterized in that: The second electric wire (5A) pulled out from the sheath (10A) is folded back and then introduced into the second housing (9A).

4. The electric working machine (1D) according to any one of claims 1 to 3, characterized in that: The electric working machine (1D) further includes a sheath cover (13D) for accommodating the sheath (10D) and the second electric wire (5D) passing from the outside of the sheath (10D).

5. The electric working machine (1A) according to any one of claims 1 to 4, characterized in that: The sheath (10A) does not pass through the second housing (9A).

6. The electric working machine (1B) according to any one of claims 1 to 4, characterized in that: The sheath (10B) passes through the second housing (9B).

7. The electric working machine (1C) according to any one of claims 1 to 6, characterized in that: The electric working machine (1C) further includes a first connecting member (11C) for connecting the power supply housing (7C) and the first housing (8C).

8. The electric working machine (1C) according to claim 7, characterized in that: The first connecting member (11C) supports the sheath (10C).

9. The electric working machine (1C) according to any one of claims 1 to 8, characterized in that: The electric working machine (1C) further includes a second connecting member (12C) for connecting the first housing (8C) and the second housing (9C).

10. The electric working machine (1C) according to claim 9, characterized in that: The second connecting member (12C) supports the second electric wire (5C) pulled out from the sheath (10C).

11. The electric working machine (1A) according to any one of claims 1 to 10, characterized in that: At least one of the first electric component (4A) and the second electric component (6A) is a motor.

12. The electric working machine (1A) according to any one of claims 1 to 11, characterized in that: At least one of the first electrical component (4A) and the second electrical component (6A) is a lamp.

13. The electric working machine (1A) according to any one of claims 1 to 12, characterized in that: At least one of the first electric component (4A) and the second electric component (6A) is a switch operated to start the motor.

14. The electric working machine (1A) according to any one of claims 1 to 13, characterized in that: At least one of the first electric component (4A) and the second electric component (6A) is a control unit that controls a motor.

15. The electric working machine (1G) according to claim 1, characterized in that: The power supply unit is a battery connection unit (2G) to which a battery (14G) is connected.

16. The electric working machine (1G) according to claim 15, characterized in that: The first electric wire (3G) is a power supply wire (3Ga) through which a driving current supplied from the battery (14G) to the motor (4G) flows.

17. The electric working machine (1G) according to claim 16, characterized in that: The second electric wire (5G) is a signal wire through which an electric signal supplied from a switch operated to start the motor (4G) toward a control unit (17G) that controls the motor (4G) flows.

18. An electric working machine (1E), characterized in that: The electric working machine (1E) comprises: A power supply unit (2E); The first electrical component (4E); Second electrical component (6E); a first electric wire (3E) connecting the first electric component (4E) and the second electric component (6E); a second electric wire (5E) connecting the power supply unit (2E) and the second electric component (6E); A power supply housing (7E) for housing the power supply unit (2E); a first housing (8E) which accommodates the first electrical component (4E) but does not accommodate the second electrical component (6E); a second housing (9E) that accommodates the second electrical component (6E) but does not accommodate the first electrical component (4E); and a sheath (10E) for housing the first electric wire (3E) and the second electric wire (5E), wherein the sheath (10E) has a first end portion housed in the second housing (9E) and a second end portion housed in the first housing (8E), The second electric wire (5E) pulled out from the sheath (10E) is introduced into the power source casing (7E).

19. The electric working machine (1E) according to claim 18, characterized in that: The first electrical component (4E) and the second electrical component (6E) are arranged along a first direction. The power supply unit (2E) is arranged at a position between the first electric component (4E) and the second electric component (6E) in the first direction.

20. The electric working machine (1E) according to claim 18 or 19, characterized in that: The second electric wire (5E) pulled out from the sheath (10E) is folded back and then introduced into the power source casing (7E).

Citation Information

Patent Citations

  • Electric work machine

    JP2022186580A