Secondary socket and secondary plug-in

Abstract

The secondary socket comprises a base shell and a socket contact piece, positioning grooves and a wiring groove are arranged in the base shell, the socket contact piece comprises a main body part and a wiring part, the main body part is connected in the positioning grooves, the wiring part is connected in the wiring groove, a plugging chamber is arranged between the positioning grooves, and the plugging chamber is connected in the wiring groove. The plugging chambers are respectively communicated with one end of the positioning groove, one side of each plugging chamber is provided with an insertion opening, two ends of each insertion opening are respectively provided with a clamping groove, one end, far away from the wiring part, of the main body part is provided with an elastic conducting strip, one end of the elastic conducting strip is connected in the clamping groove, and the other end of the elastic conducting strip is connected in the positioning groove. A protruding contact part is arranged in the middle of the elastic conducting strip, the contact part is located in the insertion cavity, and after the contact part is extruded, the elastic conducting strip is electrically connected with the main body part. When the secondary socket is used, the plugging force is small, the electric connection is stable and reliable, the abrasion degree of the plug contact pieces is small, and the service life of the secondary plug-in is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinets, in particular to a secondary socket and a secondary plug-in. Background Art

[0002] Secondary plug-ins are suitable for low-voltage withdrawable switchgear. The withdrawable functional unit can realize the isolation or connection of auxiliary circuits (output, input). The existing secondary socket uses an integrated bent conductive copper piece for electrical connection, which is not conducive to the plugging and unplugging of secondary plugs in actual use. Hard contacts are used for plugging, which has the defects of large plugging force and unsmooth plugging and unplugging. Moreover, after multiple plugging and unplugging, the contact surface of the contact inside the socket is easily worn excessively, resulting in unreliable subsequent electrical connection. Utility Model Content

[0003] In order to solve the above problems, the technical solution provided by the utility model is:

[0004] A secondary socket comprises a base shell and a socket contact piece located in the base shell, wherein a positioning groove and a wiring groove are provided in the base shell, and the socket contact piece comprises a main body and a wiring part, wherein the main body is connected in the positioning groove, and the wiring part is connected in the wiring groove, and a plug-in cavity is provided between the positioning grooves, and the plug-in cavity is respectively connected with one end of the positioning groove, an insertion opening is provided on one side of the plug-in cavity, and clamping grooves are respectively provided at both ends of the insertion opening, and an elastic conductive sheet is provided at one end of the main body away from the wiring part, one end of the elastic conductive sheet is connected in the clamping groove, and the other end of the elastic conductive sheet is connected in the positioning groove, and a raised contact part is provided in the middle part of the elastic conductive sheet, and the contact part is located in the plug-in cavity, and the elastic conductive sheet forms an electrical connection with the main body after the contact part is squeezed.

[0005] The utility model is further configured that two ends of the elastic conductive sheet are respectively provided with a clamping portion and a moving contact portion, the clamping portion is connected in the clamping groove, and the moving contact portion is connected in the positioning groove and faces the main body.

[0006] The utility model is further configured that an L-shaped boss is provided on the inner wall of the positioning groove close to one end of the clamping groove, and the moving contact portion faces the L-shaped boss.

[0007] The utility model is further configured such that the minimum distance between the two contact portions is smaller than the width of the insertion opening.

[0008] The utility model is further configured that a bending portion is provided between the main body portion and the wiring portion, and the bending portion is connected in the positioning groove.

[0009] The utility model is further configured that a wiring hole is provided on the wiring portion, and the wiring hole is directly opposite to the wiring groove.

[0010] The utility model is further configured that guide blocks are provided at both ends of the insertion opening.

[0011] A secondary plug-in comprises a secondary plug and the above-mentioned secondary socket, wherein the secondary plug comprises a base and a plug contact connected to the base, the base comprises an insertion section, the plug contact comprises a wiring portion and a plug-in portion, the plug-in portion is located on both sides of the insertion section, a strip-shaped protrusion is provided on the surface of the plug-in portion, and the plug-in portion is electrically connected to the elastic conductive sheet when the insertion section is connected to the plug-in chamber.

[0012] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0013] The secondary socket of the present technical solution adopts a split structure combining a socket contact and an elastic conductive sheet. The elastic conductive sheet is arranged at a position close to the insertion opening. When the external secondary plug is inserted, the elastic conductive sheet will be compressed to form an electrical connection with the socket contact, thereby realizing circuit conduction between the secondary plug and the secondary socket.

[0014] The secondary socket of the utility model has a small plugging and pulling force when in use, is convenient for wiring of a complete set of switch equipment, has a stable and reliable electrical connection, has a small degree of wear on the plug contact, and improves the service life of the secondary plug-in. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional diagram of a secondary socket according to an embodiment of the utility model.

[0016] Figure 2 This is an exploded view of the secondary socket of the embodiment of the utility model.

[0017] Figure 3 This is a three-dimensional diagram of the socket contact piece and the elastic conductive piece according to the embodiment of the utility model.

[0018] Figure 4 This is a three-dimensional diagram of the secondary plug-in of an embodiment of the utility model.

[0019] Figure 5 This is a three-dimensional diagram of a secondary plug according to an embodiment of the utility model. DETAILED DESCRIPTION

[0020] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.

[0021] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0022] In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be a mechanical connection or an electrical connection, or it can be the internal connection of two components; it can be a direct connection, or it can be indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances.

[0023] Example 1

[0024] Combined with Figure 1 To Attachment Figure 3 The technical scheme of the utility model is a secondary socket, comprising a base shell 1 and a socket contact 2 located in the base shell 1, wherein a positioning groove 11 and a wiring groove 12 are provided in the base shell 1, wherein the socket contact 2 comprises a main body 21 and a wiring part 22, wherein the main body 21 is connected in the positioning groove 11, wherein the wiring part 22 is connected in the wiring groove 12, wherein a plug-in chamber 13 is provided between the positioning grooves 11, wherein the plug-in chamber 13 is respectively connected to one end of the positioning groove 11, wherein one side of the plug-in chamber 13 is provided with an insertion An opening 14, two ends of the insertion opening 14 are respectively provided with a snap-in groove 15, an end of the main body 21 away from the wiring portion 22 is provided with an elastic conductive sheet 3, one end of the elastic conductive sheet 3 is connected to the snap-in groove 15, and the other end of the elastic conductive sheet 3 is connected to the positioning groove 11, a raised contact portion 31 is provided in the middle of the elastic conductive sheet 3, the contact portion 31 is located in the plug-in cavity 13, and after the contact portion 31 is squeezed, the elastic conductive sheet 3 forms an electrical connection with the main body 21.

[0025] In this embodiment, the plug-in cavity 13 is used for inserting a secondary plug, and the positioning groove 11 is separated by internal ribs.

[0026] In this embodiment, the elastic conductive sheet 3 is made of copper or copper alloy.

[0027] In this embodiment, the secondary socket adopts a split structure combining a socket contact 2 and an elastic conductive sheet 3. The elastic conductive sheet 3 is arranged at a position close to the insertion opening 14. When the external secondary plug is inserted, the elastic conductive sheet 3 will be compressed to form an electrical connection with the socket contact 2, thereby realizing the circuit conduction between the secondary plug and the secondary socket.

[0028] In this embodiment, a clamping portion 32 and a moving contact portion 33 are respectively provided at both ends of the elastic conductive sheet 3 . The clamping portion 32 is connected to the clamping groove 15 , and the moving contact portion 33 is connected to the positioning groove 11 and faces the main body 21 .

[0029] In another embodiment, the moving contact portion 33 of the elastic conductive sheet 3 may also be welded on the main body 21 .

[0030] In this embodiment, an L-shaped boss 16 is disposed on the inner wall of the positioning slot 11 close to one end of the clamping slot 15 , and the moving contact portion 33 faces the L-shaped boss 16 .

[0031] In this embodiment, the minimum distance between the two contact portions 31 is smaller than the width of the insertion opening 14 , ensuring that the secondary plug can form an electrical connection with the upper and lower elastic conductive sheets 3 after being connected to the insertion cavity 13 .

[0032] In this embodiment, a bending portion 23 is provided between the main body portion 21 and the wiring portion 22 . The bending portion 23 is connected to the positioning groove 11 . The bending portion 23 is used to make the connection of the elastic conductive sheet 3 to the base shell 1 more stable.

[0033] In this embodiment, a wiring hole 24 is formed on the wiring portion 22 , and the wiring hole 24 faces the wiring slot 12 .

[0034] In this embodiment, guide blocks 17 are provided at both ends of the insertion opening 14 for guiding the insertion of the secondary plug.

[0035] The technical solution of the utility model has a small plugging and pulling force when the secondary socket is used, which is convenient for wiring the complete set of switch equipment, has a stable and reliable electrical connection, and has a small degree of wear on the plug contacts, thereby increasing the service life of the secondary plug.

[0036] Example 2

[0037] Combined with Figure 1 To Attachment Figure 5 The technical solution of the utility model is a secondary plug-in, including a secondary plug and the secondary socket described in Example 1, the secondary plug includes a base 4 and a plug contact 5 connected to the base 4, the base 4 includes an insertion section 41, the plug contact 5 includes a wiring portion 51 and a plug-in portion 52, the plug-in portion 52 is located on both sides of the insertion section 41, and a strip protrusion 53 is provided on the surface of the plug-in portion 52. When the insertion section 41 is connected to the plug-in chamber 13, the plug-in portion 52 is electrically connected to the elastic conductive sheet 3.

[0038] The above schematically describes the present invention and its implementation methods, which are not restrictive. The drawings show only one implementation method of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. A secondary socket, characterized in that: It includes a base shell and a socket contact located in the base shell, wherein a positioning groove and a wiring groove are provided in the base shell, and the socket contact includes a main body and a wiring part, wherein the main body is connected in the positioning groove, and the wiring part is connected in the wiring groove, and a plug-in chamber is provided between the positioning grooves, and the plug-in chambers are respectively connected with one end of the positioning groove, an insertion opening is provided on one side of the plug-in chamber, and clamping grooves are respectively provided at both ends of the insertion opening, and an elastic conductive sheet is provided at one end of the main body away from the wiring part, one end of the elastic conductive sheet is connected in the clamping groove, and the other end of the elastic conductive sheet is connected in the positioning groove, and a raised contact part is provided in the middle part of the elastic conductive sheet, and the contact part is located in the plug-in chamber, and the elastic conductive sheet forms an electrical connection with the main body after the contact part is squeezed.

2. A secondary socket according to claim 1, characterized in that: A clamping portion and a moving contact portion are respectively provided at two ends of the elastic conductive sheet. The clamping portion is connected in the clamping groove, and the moving contact portion is connected in the positioning groove and faces the main body.

3. A secondary socket according to claim 2, characterized in that: An L-shaped boss is provided on the inner wall of the positioning groove close to one end of the clamping groove, and the moving contact portion faces the L-shaped boss.

4. A secondary socket according to any one of claims 1 to 3, characterized in that: The minimum distance between the two contact portions is smaller than the width of the insertion opening.

5. A secondary socket according to any one of claims 1 to 3, characterized in that: A bending portion is provided between the main body portion and the wiring portion, and the bending portion is connected to the positioning groove.

6. A secondary socket according to any one of claims 1 to 3, characterized in that: A wiring hole is provided on the wiring portion, and the wiring hole is directly opposite to the wiring groove.

7. A secondary socket according to any one of claims 1 to 3, characterized in that: Guide blocks are arranged at both ends of the insertion opening.

8. A secondary plug-in, characterized in that: It comprises a secondary plug and a secondary socket as claimed in any one of claims 1 to 7, wherein the secondary plug comprises a base and a plug contact connected to the base, the base comprises an insertion section, the plug contact comprises a wiring portion and a plug-in portion, the plug-in portion is located on both sides of the insertion section, a strip-shaped protrusion is provided on the surface of the plug-in portion, and the plug-in portion is electrically connected to the elastic conductive sheet when the insertion section is connected to the plug-in chamber.

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