Double-loop lap joint type safety switch

Abstract

The utility model provides a double-loop lap joint type safety switch which comprises a contact base and a contact, two matching holes are formed in one side of the contact base, a containing cavity is formed in the contact base, two sets of elastic pieces are arranged in the contact base, the number of each set of elastic pieces is two, and the two elastic pieces are arranged in the vertical direction of the contact base at intervals; the contact comprises a mounting seat and two groups of guide sheets, and each group of guide sheets comprises two guide sheets which are arranged at intervals in the vertical direction of the contact; when the contact is connected with the contact seat, the contact points of each group of elastic sheets abut against the corresponding group of guide sheets. According to the double-loop lap joint type safety switch, the two groups of elastic sheets are arranged in the contact seat, the two groups of guide sheets corresponding to the elastic sheets are arranged on the side of the contact, and when the contact is connected with the contact seat, the contacts of each group of elastic sheets abut against the corresponding group of guide sheets, so that double loops are formed between the elastic sheets and the guide sheets, and the design requirements of partial trapezoidal double loops are met.

Description

TECHNICAL FIELD

[0001] The application relates to the field of elevator switches, and relates to a double-circuit lap joint type safety switch. BACKGROUND

[0002] In the field of elevators, a contact type door switch commonly adopts a contact and a contact seat type door lock switch, which plays a locking role on an elevator landing door and is one of important elevator safety components.

[0003] At present, the contact seat type door lock switch is basically designed as a single circuit, and two groups of contact seat type door lock switches need to be arranged for a double-circuit design, so that the structure is complex and the control process is complicated. CONTENT OF THE UTILITY MODEL

[0004] In order to solve or at least partially solve the above technical problems, the application provides a double-circuit lap joint type safety switch, which comprises:

[0005] A contact seat is provided with two matching holes on one side, and has a containing cavity inside, a first elastic sheet and a second elastic sheet are arranged in the containing cavity, the first elastic sheet and the second elastic sheet are connected with wire bolts on the contact seat, the number of the first elastic sheet and the second elastic sheet is two respectively, the first elastic sheet and the second elastic sheet are arranged in a spaced manner along the opening direction of the matching hole, and are formed in a staggered manner in the vertical direction of the opening direction of the matching hole.

[0006] A contact head comprises a mounting seat, and a first guide sheet and a second guide sheet arranged on the mounting seat, and the number of the first guide sheet and the second guide sheet is two respectively.

[0007] In the connected state of the contact head and the contact seat, at least part of the contact head is inserted into the matching hole, two first guide sheets correspondingly abut against two first elastic sheets, and two second guide sheets correspondingly abut against two second elastic sheets.

[0008] According to an embodiment of the application, the matching hole comprises a first insertion hole and a second insertion hole, the first insertion hole and the second insertion hole are arranged in a staggered manner in the opening direction, and the first insertion hole and the second insertion hole are communicated.

[0009] According to an embodiment of the application, the contact seat is provided with a supporting piece and an abutting piece, one of the first elastic sheet and the second elastic sheet abuts against the supporting piece, and the other abuts against the abutting piece.

[0010] According to an embodiment of the application, one end of the supporting piece is connected with the inner wall of the contact seat, and the other end extends below one of the first elastic sheet and the second elastic sheet and abuts against the other.

[0011] According to one embodiment of the utility model, two groups of fixing pieces are arranged in the contact seat, the number of each group of fixing pieces is two, and the first elastic sheet and the second elastic sheet are fixed respectively.

[0012] According to one embodiment of the utility model, one end of the supporting piece abuts against the first elastic sheet or the second elastic sheet, and the other end is installed with the fixing piece.

[0013] According to one embodiment of the utility model, the supporting piece and the fixing piece are integrally processed and formed.

[0014] According to one embodiment of the utility model, mounting holes are arranged on both sides of the contact seat, and the mounting holes are used for cooperating with threaded connecting pieces to install the contact seat to a target position.

[0015] According to one embodiment of the utility model, the first elastic sheet and the second elastic sheet are provided with contact points at positions corresponding to the matching holes, a convex arc surface is arranged on a side surface of the contact point close to the matching hole, and the convex arc surface is used for contacting the first guide sheet or the second guide sheet.

[0016] According to one embodiment of the utility model, a dust discharging groove is arranged below the contact point of the first elastic sheet or the second elastic sheet of the contact seat, and the dust discharging groove is communicated with the outside of the contact seat.

[0017] The double-circuit lap type safety switch provided by the application is provided with two groups of elastic sheets in the contact seat, two groups of guide sheets corresponding to the elastic sheets are arranged on the contact head, and the contact points of each group of elastic sheets abut against the corresponding group of guide sheets in the connected state of the contact head and the contact seat, so that a double circuit is formed between the elastic sheet and the guide sheet, and the design requirement of a partial trapezoidal double circuit is met. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the application, the related drawings will be briefly introduced below. It can be understood that the drawings described below are only used to illustrate some embodiments of the application, and many other technical features and connection relationships not mentioned in the text can also be obtained by those skilled in the art according to the drawings.

[0019] Figure 1 It is a structural schematic view of the double-circuit lap type safety switch of the application;

[0020] Figure 2 It is a structural schematic view of the double-circuit lap type safety switch of the application; Figure 1

[0021] Figure 3 It is a top view of the contact seat of the application; Figure 1

[0022] Legend of the drawings:

[0023] ​​1, contact seat; 11, matching hole; 111, first insertion hole; 112, second insertion hole;

[0024] 12, accommodating chamber; 13, support; 14, abutting piece; 15, fixing piece; 16, mounting hole; 17, dust removal groove;

[0025] 21, first elastic sheet; 22, second elastic sheet; 201, contact point;

[0026] 3, contact; 31, first guide sheet; 32, second guide sheet; 33, mounting seat;

[0027] 4, wiring bolt. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the present application.

[0029] In the description of the embodiments of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated thereby must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0030] In the description of the embodiments of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0031] The present disclosure will be described below with reference to the accompanying drawings, which show several embodiments of the present disclosure. It should be understood, however, that the present disclosure can be presented in various different ways and is not limited to the embodiments described below; it should also be understood that the embodiments disclosed herein can be combined in various ways to provide more additional embodiments.

[0032] The technical solutions in the embodiments of the present application will be described in detail below with reference to the accompanying drawings in the embodiments of the present application.

[0033] Referring to Figures 1 to 3 The present application provides a double-circuit lap type safety switch, which comprises a contact seat 1 and a contact 3. The contact seat 1 is provided with two matching holes 11 on one side. The contact seat 1 has a receiving chamber 12 inside. Two groups of elastic sheets are arranged in the contact seat 1. The elastic sheets respectively comprise two first elastic sheets 21 and two second elastic sheets 22.

[0034] In this embodiment, the first elastic sheet 21 and the second elastic sheet 22 are arranged in a staggered manner along the opening direction of the matching hole 11 and are vertically staggered in the vertical direction of the contact seat 1. That is, the first elastic sheet 21 and the second elastic sheet 22 are arranged in a staggered manner along the vertical direction of the contact seat 1, and the lengths of the two are different.

[0035] As Figure 2 shown, the matching hole 11 of this embodiment comprises a first insertion hole 111 and a second insertion hole 112. The first insertion hole 111 and the second insertion hole 112 are arranged in a staggered manner in the opening direction, and the first insertion hole 111 and the second insertion hole 112 are in communication. The first insertion hole 111 and the second insertion hole 112 form a stepped shape and correspond to the first elastic sheet 21 and the second elastic sheet 22.

[0036] The contact seat 1 of this embodiment is provided with two groups of terminal screws 4 on one side. One end of the first elastic sheet 21 and the second elastic sheet 22 is respectively connected to the terminal screw 4.

[0037] The contact 3 of this embodiment comprises a mounting seat 33 and two groups of guide sheets, which comprise a first guide sheet 31 and a second guide sheet 32. The first guide sheet 31 and the second guide sheet 32 are arranged in a staggered manner along the vertical direction of the contact 3. That is, the first guide sheet 31 and the second guide sheet 32 also form a stepped shape to facilitate cooperation with the first insertion hole 111 and the second insertion hole 112 and contact the first elastic sheet 21 and the second elastic sheet 22.

[0038] In this embodiment, when the contact 3 is connected to the contact seat 1, at least part of the contact 3 is inserted into the matching hole 11. The two first guide sheets 31 and the two first elastic sheets 21 correspond to each other and abut, and the two second guide sheets 32 and the two second elastic sheets 22 correspond to each other and abut.

[0039] The two groups of elastic sheets, i.e., the first elastic sheet 21 and the second elastic sheet 22, are arranged in the contact seat 1, and the contact 3 is provided with two groups of corresponding guide sheets, i.e., the first guide sheet 31 and the second guide sheet 32. In the connected state of the contact 3 and the contact seat 1, the contact points 201 of each group of elastic sheets abut against the corresponding group of guide sheets, so that a double circuit is formed between the elastic sheet and the guide sheet, which meets the design requirement of the double circuit of the elevator door switch, and the connection process of the contact 3 and the contact seat 1 is synchronous, and the control process is simple.

[0040] In one embodiment, the first elastic sheet 21 and the second elastic sheet 22 are provided with contact points 201 at positions corresponding to the matching holes 11. The side surface of the contact point 201 close to the matching hole 11 is a convex arc surface, which is used to contact the first guide sheet 31 or the second guide sheet 32, so as to ensure that the elastic sheet can be in good contact with the guide sheet in the extrusion deformation state.

[0041] In one embodiment, as shown in Figure 1 and Figure 2 The contact seat 1 is provided with a supporting piece 13 and an abutting piece 14. One of each group of elastic sheets elastically abuts against the supporting piece 13, and the other elastically abuts against the abutting piece 14.

[0042] The first elastic sheet 21 and the second elastic sheet 22 are different in height. The abutting piece 14 is arranged on the top wall of the accommodating chamber 12 and abuts against the first elastic sheet 21 above. The supporting piece 13 is connected to the top wall of the accommodating chamber 12 at one end and extends to the first elastic sheet 21 below at the other end and abuts against the first elastic sheet 21 below. Thus, the abutting piece 14 and the supporting piece 13 can provide a larger initial elastic force to the elastic sheet, which can prevent poor contact of the switch and avoid obvious bouncing of the elastic sheet, thereby eliminating the potential danger of the elevator.

[0043] Further, the first elastic sheet 21 is above the second elastic sheet 22. The supporting piece 13 is connected to the contact seat 1 at one end and extends to the second elastic sheet 22 between the first elastic sheet 21 and the second elastic sheet 22 and abuts against the second elastic sheet 22.

[0044] That is, the supporting piece 13 is arranged at an angle between the top wall of the accommodating chamber 12 and the second elastic sheet 22 below, so that the one end of the supporting piece 13 can abut against the second elastic sheet 22 below and provide an initial elastic force to the second elastic sheet 22 below. When the guide sheet of the contact 3 contacts the contact point 201, the contact point 201 is pressed downward, and the elastic sheet has a tendency to move upward under pressure, thereby improving the connection stability between the contact 3 and the contact seat 1, and avoiding obvious bouncing of the elastic sheet, thereby eliminating the potential danger of the elevator.

[0045] Optionally, the contact seat 1 is provided with two groups of fixing pieces 15. Each group of fixing pieces 15 has two fixing pieces, and each fixing piece corresponds to two first elastic sheets 21 between the second elastic sheet 22.

[0046] The fixing member 15 is used for fixing one end of the elastic sheet, and the other end of the elastic sheet is the contact 201.

[0047] Specifically, one end of the support member 13 abuts against the second elastic sheet 22, and the other end of the support member 13 is installed with the fixing member 15.

[0048] Optionally, the support member 13 and the fixing member 15 are integrally processed and formed.

[0049] That is, the fixing member 15 is arranged below the support member 13, and the fixing member 15 can be two extension plates, one end of the extension plate abutting against the elastic sheet. The extension plate is integrally processed and formed with the fixing member 15.

[0050] Alternatively, the fixing member 15 and the support member 13 can also be arranged separately, for example, the fixing member 15 is arranged on one side of the support member 13 and is arranged separately from each other.

[0051] Alternatively, the fixing member 15 and the support member 13 can be connected through a threaded connecting member or welding, which is not limited here.

[0052] Please continue to refer to Figure 1 and Figure 2 The contact seat 1 is provided with mounting holes 16 on both sides, and the threaded connecting member is matched with the mounting holes 16 to install the contact seat 1 to the target position.

[0053] Specifically, two mounting holes 16 are arranged on each side of the contact seat 1, so that the threaded connecting member is used to install the contact seat 1 to the target position.

[0054] Further, the contact seat 1 is provided with a dust discharge groove 17 below the contact 201 of the elastic sheet, and the dust discharge groove 17 is communicated with the outside of the contact seat 1, which is used for water or dust discharge. The dust discharge groove 17 is communicated with the outside of the contact seat 1, so that the dust accumulated below the elastic sheet can be prevented from damaging the switch.

[0055] In summary, the double-circuit lap type safety switch provided by the application meets the needs of the trapezoidal double circuit, and the abutting member 14 and the support member 13 are arranged, so that the two groups of elastic sheets have a larger initial elastic force, which not only prevents the switch from being in poor contact, but also avoids the elastic sheet from bouncing obviously, and eliminates the potential danger of the elevator.

[0056] Further, the contact seat 1 is provided with a dust discharge groove 17 communicated with the outside, so that the dust accumulated below the elastic sheet can be prevented from damaging the switch.

[0057] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature can be "above", "over" and "on" the second feature, which can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature can be "under", "below" and "under" the second feature, which can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0058] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0059] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A dual circuit lap joint safety switch characterized by, The utility model relates to a connector, including: The contact seat (1) one side is equipped with two cooperation hole (11), the contact seat (1) inside has the accommodation chamber (12), the accommodation chamber (12) is provided with first elastic sheet (21) and second elastic sheet (22), first elastic sheet (21) and second elastic sheet (22) connect the wiring bolt (4) on the contact seat (1), the number of first elastic sheet (21) and second elastic sheet (22) is two respectively, first elastic sheet (21) and second elastic sheet (22) are spaced apart along the opening direction of cooperation hole (11), and form the misplacement in the vertical direction of cooperation hole (11) opening direction; The contact (3) includes a mounting seat (33), and a first guide sheet (31) and a second guide sheet (32) are arranged on the mounting seat (33), and the number of the first guide sheet (31) and the second guide sheet (32) is two respectively;Wherein, When the contact (3) is connected with the contact seat (1), at least part of the contact (3) is inserted into the cooperation hole (11), two first guide sheets (31) correspondingly abut two first elastic sheets (21), and two second guide sheets (32) correspondingly abut two second elastic sheets (22).

2. The dual circuit lap-finish safety switch of claim 1, wherein, The cooperation hole (11) includes a first insertion hole (111) and a second insertion hole (112), the first insertion hole (111) and the second insertion hole (112) are misaligned in the opening direction, and the first insertion hole (111) and the second insertion hole (112) are communicated.

3. The dual circuit lap-finish safety switch of claim 1, wherein, The contact seat (1) is provided with a supporting member (13) and an abutting member (14), one of the first elastic sheet (21) and the second elastic sheet (22) abuts against the supporting member (13), and the other abuts against the abutting member (14).

4. The dual circuit lap-finish safety switch of claim 3, wherein, One end of the supporting member (13) is connected with the inner wall of the contact seat (1), and the other end extends below one of the first elastic sheet (21) and the second elastic sheet (22) and abuts against the other.

5. The dual circuit lap-finish safety switch of claim 3 wherein, The contact seat (1) is provided with two groups of fixing members (15), and each group of the fixing members (15) is two, and corresponds to fix the first elastic sheet (21) and the second elastic sheet (22) respectively.

6. The dual circuit lap-finish safety switch of claim 5, wherein, One end of the supporting member (13) abuts against the first elastic sheet (21) or the second elastic sheet (22), and the other end is provided with the fixing member (15).

7. The dual circuit lap-finish safety switch of claim 6, wherein, The supporting member (13) and the fixing member (15) are integrally formed.

8. The dual circuit lap-finish safety switch of claim 1, wherein, The contact seat (1) is provided with mounting holes (16) on both sides, and the mounting holes (16) are used for cooperating with threaded connecting members to mount the contact seat (1) to a target position.

9. The dual circuit lap-finish safety switch of claim 1, wherein, The first elastic sheet (21) and the second elastic sheet (22) are provided with contact points (201) at positions corresponding to the cooperation hole (11), and the side surface of the contact point (201) close to the cooperation hole (11) is a convex arc surface, and the convex arc surface is used for contacting the first guide sheet (31) or the second guide sheet (32).

10. The dual circuit lap-finish safety switch of claim 9, wherein, The contact seat (1) is provided with a dust discharging groove (17) below the contact point (201) of the first elastic sheet (21) or the second elastic sheet (22), and the dust discharging groove (17) is communicated with the outside of the contact seat (1).

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