CN220324369U

CN220324369U - Lead wire connecting device and contactor

Info

Publication number: CN220324369U
Application number: CN202321578002.XU
Authority: CN
Inventors: 张�杰; 王振坤; 李辉; 代斌; 巩宝娜; 李海丽; 肖海强; 胡国伟
Original assignee: Zhejiang Tengen Intelligent Electrical Appliance Co ltd; Zhejiang Tengen Electric Co Ltd
Current assignee: Zhejiang Tengen Intelligent Electrical Appliance Co ltd; Zhejiang Tengen Electric Co Ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2024-01-09
Anticipated expiration: 2033-06-19

Abstract

The utility model provides a lead connecting device and a contactor, which belong to the technical field of contactors and comprise: the device comprises a lead plate, an elastic piece and a connecting piece; the connecting piece is provided with a first section extending towards one end, a bending section connected with the first section and a second section extending towards the other end, the first section is suitable for being electrically connected with a lead plate of the breaking device, and the second section is suitable for being connected with a lead; the elastic piece is sleeved on the first section of the connecting piece, one end of the elastic piece is clamped on the bending section of the connecting piece, and the other end of the elastic piece extends out of the connecting piece and is suitable for being elastically abutted with the lead plate of the breaking device; in the utility model, the lead plate of the breaking device is elastically abutted with one end of the elastic piece, the elastic piece is sleeved on the connecting piece, the elastic piece is electrically connected with the connecting piece, the second section of the connecting piece is connected with the lead, and when the breaking device is required to be wired, the lead is connected with the second section of the connecting piece, so that the lead can be more conveniently connected.

Description

Lead wire connecting device and contactor

Technical Field

The utility model relates to the technical field of contactors, in particular to a lead connecting device and a contactor.

Background

The contactor is a switching device capable of switching off current, and specifically, a coil of the breaking device is used for controlling the action of the brake contact frame to break or close the moving contact and the fixed contact.

In the prior art, a breaking device is arranged below a shell of a contactor, two wiring terminals of the breaking device are required to be electrically connected with a lead wire, when the contactor is installed in a cabinet body, tools cannot extend into the cabinet body during wiring due to the fact that the space of the cabinet body is relatively small, and therefore wiring is inconvenient.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to overcome the defect of inconvenient wiring installation of the wiring terminal of the breaking device in the contactor in the prior art, thereby providing a lead connecting device and the contactor.

In order to solve the above technical problems, the present utility model provides a lead wire connecting device, comprising: a connecting member having a first section extending toward one end, a bent section connected to the first section, and a second section extending toward the other end, the first section being adapted to be electrically connected to a lead plate of a breaking device, the second section being adapted to be connected to a lead; the elastic piece is sleeved on the first section of the connecting piece, one end of the elastic piece is clamped on the bending section of the connecting piece, and the other end of the elastic piece extends out of the connecting piece and is suitable for elastic abutting connection with the lead plate of the breaking device.

Preferably, the thickness of the first section of the connector is less than the average thickness.

Preferably, the second section of the connecting element has a bending structure which is bent towards one side.

Preferably, an end portion of the second end of the connection member is integrally formed with a terminal plate for connecting the leads.

In addition, there is also provided a contactor including: a housing having a wiring board therein; the breaking device is arranged at the bottom of the shell and is provided with a lead plate; in the lead connecting device in the scheme, the end part of the second section of the connecting piece is connected with the wiring board, the first section of the connecting piece extends towards the lead board, and the elastic piece sleeved on the first section is abutted with the lead board.

Preferably, the housing has a recess for inserting the connection member therein, and an accommodating groove for mounting the elastic member is formed inside of one end of the recess facing the breaking device.

Preferably, the groove has a limiting portion for embedding the first section of the connecting member, the width of the limiting portion being smaller than the diameter of the elastic member.

Preferably, the recess has a window portion for embedding the curved section of the connecting member, the window portion having a width larger than the diameter of the elastic member.

Preferably, the side walls of the recess have protrusions for snap-fit connection.

Preferably, the groove is provided with an inclined part for embedding the bending structure of the connecting piece, and the protrusions are symmetrically arranged on two inner side walls of the inclined part.

Preferably, the lead plate has a bump thereon for engaging the elastic member in the lead connecting device.

The technical scheme of the utility model has the following advantages:

1. according to the lead connecting device provided by the utility model, the lead plate of the breaking device is elastically abutted with one end of the elastic piece, the elastic piece is sleeved on the connecting piece, the elastic piece is electrically connected with the connecting piece, the second section of the connecting piece is connected with the lead, and when the breaking device is required to be wired, the lead is connected with the second section of the connecting piece, so that the lead can be connected more conveniently.

2. According to the lead connecting device provided by the utility model, the second section of the connecting piece is provided with the bending structure, the spring extends to the second section after passing through bending, and at the moment, the spring is clamped with the connecting piece more firmly, so that the spring is not easy to slip.

3. According to the contactor provided by the utility model, the breaking device is arranged at the bottom of the shell, the connecting piece of the lead connecting device is connected with the wiring board, the other end of the connecting piece extends towards the lead board and is abutted against the lead board through the elastic piece, at the moment, the breaking device can be connected with the lead through the wiring board on the shell, and the contactor can be conveniently and rapidly wired when being installed in a narrow space.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of a contactor provided in one embodiment of the utility model;

fig. 2 is a perspective view of the contactor of fig. 1;

FIG. 3 is a perspective view of the left side connector hidden from view by the contactor of FIG. 1;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a bottom perspective view of the contactor of FIG. 1;

fig. 6 is a perspective view of the wire connection device of fig. 1;

fig. 7 is an exploded view of the wire bonding apparatus of fig. 6.

Reference numerals illustrate:

1. a housing; 2. a breaking device; 3. a lead plate; 4. a connecting piece; 5. a curved section; 6. an elastic member; 7. a first section; 8. a second section; 9. a receiving groove; 10. a limit part; 11. a bump; 12. a clamping plate; 13. a clamping groove; 14. a plug-in groove; 15. a clamping block; 16. a groove; 17. a terminal; 18. a wiring board; 19. a bending structure; 20. a protrusion; 21. a window portion; 22. an inclined portion; 23. and a clamping groove.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

The lead connecting device is used for connecting the contactor in the contactor with an external lead.

As shown in fig. 6 and 7, in one embodiment of the lead wire connection device provided in this embodiment, the lead wire connection device includes: a lead plate 3, an elastic member 6, and a connecting member 4; the elastic member 6 is a spring. The connecting piece 4 is divided into a first section 7, a bending section 5 and a second section 8, the first section 7 extends towards one end, the bending section 5 is connected with the first section 7 and with the second section 8 extends towards the other end; the first section 7 is electrically connected with the lead plate 3 of the breaking device 2 through the elastic piece 6, the second section 8 extends towards the upper part of the shell 1 and can be connected with a lead wire, and the lead wire is a live wire or a zero wire, so that the breaking device 2 can be connected with the live wire and the zero wire. The first section 7 and the second section 8 are arranged in parallel, the first section 7 being connected to the second section 8 by means of a obliquely extending curved section 5. The elastic piece 6 is sleeved on the first section 7 of the connecting piece 4, one end of the elastic piece 6 extends to the second section 8 through the bent section 5 of the connecting piece 4, and the other end of the elastic piece 6 extends out of the connecting piece 4 and is suitable for elastic abutting connection with the lead plate 3 of the breaking device 2. When the breaking device 2 needs to be wired, the lead wire is connected to the second section 8 of the connecting piece 4, and at this time, the breaking device 2 can be connected with the lead wire more conveniently.

As shown in fig. 7, in order to provide an implementation manner of the lead wire connecting device according to this embodiment, the thickness of the first section 7 of the connecting member 4 is smaller than the average thickness, the thickness of the first section 7 is smaller than the thickness of the second section 8, and the elastic member 6 is more conveniently penetrated from the end of the first section 7. In addition, as an alternative embodiment, the end face of the first section 7 of the connecting element 4 is provided in a circular shape, and the elastic element 6 extends after passing through the circular end face.

As shown in fig. 6, in one implementation of the lead wire connection device provided in this embodiment, the second section 8 of the connection member 4 has a bending structure 19 that bends towards one side, and the second section 8 bends obliquely towards one side, so as to reduce the upper space of the housing 1, and simultaneously facilitate connection of the connection terminal in the middle position of the housing 1. Additionally, as an alternative embodiment, the bending structure 19 is bent horizontally towards one side.

As shown in fig. 1 and 2, in one implementation of the lead wire connection device provided in this embodiment, the end of the second end of the connecting member 4 is integrally formed with the terminal plate 18 for connecting the lead wires, that is, the terminal plate 18 is disposed at the end of the connecting member 4 away from the lead wire sheet. The wiring board 18 is vertically arranged with the connecting piece 4, the center of the wiring board 18 is provided with a hole, and the hole of the wiring board 18 is used for fixing the lead through a screw. One side of the wiring board 18 is provided with a clamping plate 12, the clamping plate 12 corresponds to the clamping groove 13 on the shell 1, and the connecting piece 4 is prevented from rotating when the screw is installed after clamping. After the leads are electrically connected with the wiring board 18, they are electrically connected with the breaking device 2 sequentially through the connecting piece 4, the elastic piece 6 and the lead board 3. In addition, as an alternative embodiment, the connection plate 18 is electrically connected to the connector 4 by an electric wire.

In addition, as shown in fig. 2, there is also provided a contactor including: a casing 1 and a breaking device 2, wherein a wiring board 18 is arranged inside the casing 1; the breaking device 2 is arranged at the bottom of the shell 1, the breaking device 2 is provided with a splicing groove 14, and the lead plate 3 is connected into the splicing groove 14 and electrically connected with the breaking device 2; meanwhile, a clamping groove 23 is formed in the top of the inserting groove 14, a clamping block 15 corresponding to the clamping groove 23 is arranged on the lead plate 3, and when the lead plate 3 is inserted into the inserting groove 14, the clamping block 15 is embedded into the clamping groove 23 to fix the lead plate 3. The breaking device 2 is provided with two wiring terminals, a lead connecting device in the scheme is arranged between the wiring terminals and the breaking device 2, the end part of the second section 8 of the connecting piece 4 is connected with the wiring board 18, the first section 7 of the connecting piece 4 extends towards the lead board 3, and the elastic piece 6 sleeved on the first section 7 is abutted with the lead board 3. The breaking device 2 is arranged at the bottom of the shell 1; the lead plate 3 is electrically connected with the breaking device 2; the connection member 4 is electrically connected to the lead plate 3 through the elastic member 6. One end of the connecting piece 4 extends to the top of the shell 1, and one side of the connecting piece 4 is bent to form a bending section 5; the elastic piece 6 is sleeved on the connecting piece 4, and the elastic piece 6 is clamped with the bending section 5; the lead sheet is made of conductive material, preferably Q195 steel, and the Q195 steel is in the prior art, which is not described in detail in this embodiment. The lead sheet may be made of copper, iron, or the like. The lead sheet is connected with the elastic member 6 and the connecting member 4, and a connecting terminal for connecting the leads is provided at the upper end of the connecting member 4. At this time, the two wiring terminals of the breaking device 2 are arranged above the contactor, so that the wiring is more convenient when the contactor is arranged in a narrow cabinet body.

As shown in fig. 3 and 4, in one embodiment of the contactor provided in this embodiment, the housing 1 has a groove 16, and an accommodating groove 9 for mounting the elastic member 6 is formed inside one end of the groove 16 facing the breaking device 2. The connecting piece 4 is embedded into the groove 16 of the shell 1, so that the connecting piece 4 is not easy to rotate after being installed, and the movement of the connecting piece 4 is limited. In addition, as an alternative embodiment, a buckle for the connecting piece 4 is provided on the housing 1, and the connecting piece 4 is embedded in the buckle to limit the displacement of the connecting piece 4.

As shown in fig. 1 and 5, in one embodiment of the contactor provided in this embodiment, the groove 16 has a limiting portion 10, the limiting portion 10 is symmetrically disposed on the housing 1, and the limiting portion 10 is located below the accommodating groove 9. The width of the limiting part 10 is smaller than the diameter of the elastic piece 6, so that the limiting part 10 is convenient to clamp the elastic piece 6. The limiting part 10 is used for limiting the elastic piece 6, so that the elastic piece 6 between the bending section 5 and the lead plate 3 is always kept in a vertical state, and the elastic piece 6 is always electrically connected with the lead plate 3 well. In addition, as an alternative embodiment, the limit stop 10 is arranged at the position of the receiving groove 9 such that the elastic element 6 directly abuts against the limit stop 10 from the curved section 5.

As shown in fig. 5, for one embodiment of the contactor provided in this embodiment, the groove 16 has a window 21, and the width of the window 21 is larger than the diameter of the elastic member 6. When the elastic member 6 passes through the bending section 5 to the second section 8, the window 21 is used for avoiding the elastic member 6, so that a part of the elastic member 6 protrudes out of the window 21, and at this time, a part of the elastic member 6 is twisted, so that the clamping of the elastic member 6 is firmer. In addition, as an alternative embodiment, the width of the window portion 21 is smaller than the diameter of the elastic member 6, so that the elastic member 6 directly abuts against the window portion 21.

As shown in fig. 4, in an embodiment of the contactor provided in this embodiment, the groove 16 has an inclined portion 22, and the side wall of the inclined portion 22 has protrusions 20 for clamping the connector 4, and the protrusions 20 are symmetrically disposed on two inner side walls of the inclined portion 22. The two protrusions 20 oppositely arranged are clamped with the connecting piece 4, the distance between the two opposite protrusions 20 is smaller than the width of the second section 8 of the connecting piece 4, and the clamping is firmer. In addition, as an alternative embodiment, a threaded hole is provided in the housing 1, and a bolt is threaded with the threaded hole after passing through the hole in the pressing plate, and the pressing plate presses the fixing connection member 4.

As shown in fig. 7, in one embodiment of the contactor provided in this embodiment, the lead plate 3 is provided with a bump 11, the bump 11 is a circular boss, the diameter of the elastic member 6 is greater than that of the circular boss, and the elastic member 6 is clamped on the bump 11. The elastic piece 6 is prevented from falling off from the lead plate 3, and the elastic piece 6 and the lead plate 3 are ensured to be electrically connected all the time. In addition, as an alternative embodiment, a groove is provided on the positioning hole, and the elastic member 6 is clamped into the groove to limit the displacement of the elastic member 6.

The method for installing the lead wire connecting device comprises the following steps: the lead plate 3 is inserted into the insertion groove 14 of the breaking device 2, the connecting piece 4 is embedded into the groove 16 of the shell 1, and the clamping plate 12 of the connecting piece 4 is clamped into the clamping groove 13 of the shell 1. The elastic member 6 penetrates from the first section 7, extends to the second section 8 through the first section 7 and the bending section 5, and fixes the breaking device 2 to the casing 1 after aligning the elastic member 6 with the limiting portion 10 of the lead plate 3.

Working principle of the lead wire connecting device: the breaking device 2 is arranged below the contactor, the lead plate 3 is inserted into the insertion groove 14 of the breaking device 2, and the inserted lead plate 3 is electrically connected with the breaking device 2; the terminals 17 are disposed above the contactors and electrically connected to the breaking device 2 through the elastic member 6, the connection member 4 and the lead plate 3. The lead plate 3 is provided with a bump 11, and one end of the elastic piece 6 is clamped on the bump 11; the elastic member 6 extends through the first section 7, the bent section 5 to the second section 8, and a stopper 10 on the housing 1 is used to limit the spring in order to maintain the electrical connection between the elastic member 6 and the lead plate 3. The breaking device 2 is connected with a zero line and a fire line through a lead plate 3, an elastic piece 6 and a connecting piece 4.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims

1. A lead wire connection device, comprising:

-a connection piece (4), the connection piece (4) having a first section (7) extending towards one end, a curved section (5) connected to the first section (7), and a second section (8) extending towards the other end, the first section (7) being adapted to be electrically connected to a lead plate (3) of a breaking device (2), the second section (8) being adapted to be connected to a lead;

the elastic piece (6), elastic piece (6) cup joints on first section (7) of connecting piece (4), the one end joint of elastic piece (6) is in curved section (5) of connecting piece (4), the other end of elastic piece (6) extends connecting piece (4) are suitable for with lead plate (3) elasticity butt of breaking device (2).

2. The wire connection device according to claim 1, characterized in that the thickness of the first section (7) of the connection piece (4) is smaller than the average thickness.

3. The wire connection device according to claim 1, characterized in that the second section (8) of the connection piece (4) has a bending structure (19) bent towards one side.

4. A lead connection device according to any one of claims 1-3, wherein the end of the second end of the connector (4) is integrally formed with a terminal block (18) for connecting leads.

5. A contactor, comprising:

a housing (1) having a wiring board (18) inside;

the breaking device (2) is arranged at the bottom of the shell (1), and the breaking device (2) is provided with a lead plate (3);

the lead connection device according to any one of claims 1 to 4, wherein an end of the second section (8) of the connecting member (4) is connected to the wiring board (18), the first section (7) of the connecting member (4) extends toward the wiring board (3), and the elastic member (6) sleeved on the first section (7) abuts against the wiring board (3).

6. A contactor according to claim 5, characterized in that the housing (1) has a recess (16) for embedding the connection element (4), the interior of the recess (16) facing the end of the breaking device (2) forming a receiving groove (9) for mounting the elastic element (6).

7. The contactor according to claim 6, characterized in that the recess (16) has a stop (10) for embedding the first section (7) of the connection element (4), the width of the stop (10) being smaller than the diameter of the elastic element (6).

8. A contactor according to claim 7, characterized in that the recess (16) has a window portion (21) for embedding the curved section (5) of the connection element (4), the width of the window portion (21) being greater than the diameter of the elastic element (6).

9. The contactor according to claim 6, characterized in that the side walls of the recess (16) have protrusions (20) for snap-engagement with the connection piece (4).

10. The contactor according to claim 9, characterized in that the recess (16) has an inclined portion (22) for embedding the bending structure (19) of the connection element (4), the protrusions (20) being symmetrically arranged on both inner side walls of the inclined portion (22).

11. The contactor according to any of claims 5-9, characterized in that the lead plate (3) has bumps (11) for snap-engagement with the resilient members (6) of the lead connection device.