CN212412219U

CN212412219U - Plug bush and socket

Info

Publication number: CN212412219U
Application number: CN202021441408.XU
Authority: CN
Inventors: 刘涛
Original assignee: Shenzhen Double Point Technology Co ltd
Current assignee: Shenzhen Double Point Technology Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-01-26
Anticipated expiration: 2030-07-20

Abstract

A plug bush and a socket comprise a plug bush main body, wherein the plug bush main body comprises two base plates, two clamping elastic sheets and two connecting elastic sheets which are integrally formed, the two clamping elastic sheets are arranged oppositely in front and back, the base plates correspond to the clamping elastic sheets one by one, the base plates are connected to the lower ends or the upper ends of the corresponding clamping elastic sheets, and the two clamping elastic sheets and the two base plates form a plugging channel together from top to bottom; the two substrates are elastically connected through the two connecting elastic sheets, and the two connecting elastic sheets are respectively arranged on the left side and the right side of the two clamping elastic sheets. The utility model enables the upper part and the lower part of the plug bush for the socket to form a self-locking structure, thereby ensuring the close contact between the plug bush and the bolt; the contact resistance is reduced by increasing the contact surface of the plug pin and the plug bush, so that the performance of the plug bush is improved, and the power utilization stability is improved; additionally, the utility model discloses an integrative blanking of plug bush forms to the loss of metal material has been reduced.

Description

Plug bush and socket

Technical Field

The utility model relates to a socket technical field, concretely relates to plug bush and socket.

Background

The socket is a medium-low voltage electrical appliance fitting which is most used in a family, and the connection self-loss of the plug 100 of the plug and the plug bush 200 of the socket is mainly as follows: contact resistance generated by the incoming terminals; resistance of the conductive member inside the socket; the contact resistance generated at the junction of the plug 100 and the sleeve 200.

At present, the existing plug bush 200 on the market generally utilizes the elastic performance of sheet metal parts to ensure the reliability of the contact between the plug bush and the plug pin 100. The product structure has a limitation, as shown in fig. 1, after the plug pin 100 is inserted into the socket 200, the elastic deformation and stress concentration of the socket 200 are below the contact point of the plug pin 100 and the socket 200, and the single-side linear contact of the socket 200 and the plug pin 100 ensures the performance of the product. Due to structural limitations and limitations of the elastic properties of copper, the plug bush 200 requires more and thicker metal materials to ensure the elasticity and reliability of the plug bush 200.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the above-mentioned problem that prior art exists, provide a plug bush and socket to it is poor with the reliability to solve current plug bush elasticity, and the bolt is reliable inadequately with the plug bush contact, leads to there being contact resistance's problem.

In order to achieve the above object, the utility model provides a plug bush, including the plug bush main part, the plug bush main part includes two base plates of integrated into one piece, two press from both sides tight shell fragment and two connection shell fragments, wherein:

the two clamping elastic sheets are arranged in a front-back opposite mode, the base plates correspond to the clamping elastic sheets one by one, the base plates are connected to the lower ends or the upper ends of the corresponding clamping elastic sheets, and the two clamping elastic sheets and the two base plates form a plugging channel from top to bottom; the two substrates are elastically connected through the two connecting elastic sheets, and the two connecting elastic sheets are respectively arranged on the left side and the right side of the two clamping elastic sheets.

As a further preferred technical scheme of the utility model, press from both sides tight hypomere of shell fragment be with the elasticity portion of bending of base plate connection, two press from both sides the elasticity portion of bending of pressing from both sides tight shell fragment and inwards draw close bending respectively, elasticity portion of bending is the elastic deformation part of this tight shell fragment of clamp.

As a further preferred technical scheme of the utility model, press from both sides the upper segment of tight shell fragment be with the guide part that the portion of bending of elasticity is connected, two press from both sides the guide part of pressing from both sides tight shell fragment and outwards keep away from respectively and bend.

As a further preferred technical scheme of the utility model, it is curved flexure strip for buckling to connect the shell fragment, connect the both ends of shell fragment and connect respectively two the top edge of base plate.

As a further preferred technical scheme of the utility model, the connection shell fragment is the semicircle arc shape.

As a further preferred technical scheme of the utility model, the plug bush is still including being used for right the plug bush main part carries out the support piece of fixed stay.

As a further preferred technical scheme of the utility model, support piece includes horizontal backing sheet and vertical backing sheet, horizontal backing sheet is by one of them the rear end of connecting the shell fragment is to one side horizontal extension formation, vertical backing sheet by the vertical downwardly extending of one side of horizontal backing sheet forms.

As a further preferred technical scheme of the utility model, the plug bush main part with support piece is formed by the integrative blanking of a slice five metals piece.

According to another aspect of the present invention, the present invention also provides a socket, including any one of the above-mentioned technologies.

The utility model discloses a plug bush for socket, wherein, the plug passageway of plug bush is the coupling part of plug bush and bolt (the five metals part of plug), and this coupling part divide into the tight shell fragment of clamp on upper portion and the base plate of lower part, when the bolt inserts the plug bush main part, the tight shell fragment of clamp and connect the shell fragment two parts and be deformation part, simultaneously, the reaction force that produces after deformation thereby presss from both sides the bolt in the plug passageway tightly, make upper and lower two parts form a self-locking structure, thereby guarantee the close contact of plug bush and bolt; the contact resistance is reduced by increasing the contact surface of the plug pin and the plug bush, so that the performance of the plug bush is improved, and the power utilization stability is improved; in addition, the plug bush is formed by integral blanking, so that the loss of metal materials is reduced.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of a conventional socket coupled to a plug;

fig. 2 is a schematic structural view of an example provided by the plug bush of the present invention;

FIG. 3 is an expanded view of the insert;

fig. 4 is a schematic view of the plug bush of the present invention when it is coupled with the plug pin.

In the figure: 11. the base plate, 12, press from both sides tight shell fragment, 13, connect the shell fragment, 21, horizontal backing sheet, 22, vertical backing sheet 100, bolt, 200, plug bush.

The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for the sake of clarity only, and are not intended to limit the scope of the invention, its relative relationship between the terms and their derivatives, and the scope of the invention should be understood as being limited by the claims.

As shown in fig. 2 to 4, the utility model provides a plug bush, including the plug bush main part, the plug bush main part includes two base plates 11 of integrated into one piece, two presss from both sides tight shell fragment 12 and two connection shell fragments 13, wherein:

the two clamping elastic sheets 12 are arranged in a front-back opposite mode, the base plates 11 correspond to the clamping elastic sheets 12 one by one, the base plates 11 are connected to the lower ends or the upper ends of the corresponding clamping elastic sheets 12, and the two clamping elastic sheets 12 and the two base plates 11 form a plugging channel from top to bottom; the two substrates 11 are elastically connected through the two connecting elastic sheets 13, and the two connecting elastic sheets 13 are respectively arranged at the left side and the right side of the two clamping elastic sheets 12.

The plug channel is the coupling part of plug bush 200 and bolt 100 (the five metals part of plug), and this coupling part divide into the tight shell fragment 12 of the clamp on upper portion and the base plate 11 of lower part, and when bolt 100 inserted the plug bush main part, the tight shell fragment 12 of clamp and connect shell fragment 13 two parts and be the deformation part, simultaneously, thereby the reaction force that produces after the deformation presss from both sides tightly bolt 100 in the plug channel for upper and lower two parts form a structure of locking oneself, thereby guarantee the close contact of plug bush 200 and bolt 100, reduce contact resistance.

In specific implementation, the lower section of the clamping elastic sheet 12 is an elastic bending portion connected to the substrate 11, the elastic bending portions of the two clamping elastic sheets 12 are respectively bent inward, and the elastic bending portion is an elastic deformation portion of the clamping elastic sheet 12.

In specific implementation, the upper section of the clamping elastic sheet 12 is a guide part connected with the elastic bending part, and the guide parts of the two clamping elastic sheets 12 are respectively bent outwards away from each other.

In specific implementation, the connecting elastic sheet 13 is an elastic sheet bent into an arc shape, and two ends of the connecting elastic sheet 13 are respectively connected to the upper edges of the two substrates 11.

Preferably, the connecting elastic sheet 13 is in the shape of a semicircular arc.

In specific implementation, the plug bush further comprises a support member for fixedly supporting the plug bush main body, the support member comprises a transverse support sheet 21 and a vertical support sheet 22, the transverse support sheet 21 is formed by horizontally extending the rear end of one of the connection elastic sheets 13 to one side, and the vertical support sheet 22 is formed by vertically extending one side of the transverse support sheet 21 downwards.

Preferably, referring to fig. 3, the plug bush body and the support are integrally punched from a hardware piece, so that the amount of waste generated during punching is reduced, and the purpose of saving raw materials is achieved.

The utility model discloses the theory of operation of plug bush is as follows:

referring to fig. 4, when the plug 100 is coupled to the socket 200, the elastic deformation and stress concentration portions of the socket 200 are located on the two connection elastic pieces 13 of the socket 200, and the connection portions of the connection elastic pieces 13 and the substrate 11; when the plug 100 is inserted into the plug bush 200 downward, the two clamping spring pieces 12 are spread, and meanwhile, the distance between the two base plates 11 positioned below is reduced; when the plug 100 continues to be inserted downwards, the two lower substrates 11 are driven by the plug to open, at the moment, the clamping elastic sheet 12 and the connecting elastic sheet 13 both deform, and simultaneously, resilience force is generated to clamp the plug 100; the upper part and the lower part of the plugging channel mutually generate a self-locking trend, so that the close fit of the plug pin 100 and the plug bush 200 is ensured, the two sides of the plug pin are in surface contact with the plug bush 200, and the contact resistance between the plug pin 100 and the plug bush 200 is reduced. The utility model reduces the contact resistance by increasing the contact surface of the bolt 100 and the plug bush 200, improves the performance of the plug bush 200, achieves the purpose of energy saving, and simultaneously improves the stability of power utilization; meanwhile, the plug bush is integrally punched, so that the loss of metal materials is reduced.

The utility model also provides a socket, it includes any of the aforesaid plug bush, set up this plug bush in the socket after, when the plug was pegged graft with the socket and is cooperated to guaranteed closely laminating of plug bush 200 in the bolt 100 on the plug and the socket, made the both sides of bolt 100 be the face contact with plug bush 200, thereby reduced the contact resistance between bolt 100 and the plug bush 200.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.

Claims

1. The utility model provides a plug bush, includes the plug bush main part, its characterized in that, the plug bush main part includes two base plates of integrated into one piece, two clamp shell fragments and two connection shell fragments, wherein:

2. The insert sleeve according to claim 1, wherein the lower section of the clamping spring plate is an elastic bending part connected with the substrate, the elastic bending parts of the two clamping spring plates are respectively bent inward toward each other, and the elastic bending parts are elastic deformation parts of the clamping spring plates.

3. The plug bush of claim 2, wherein the upper section of the clamping elastic sheet is a guide part connected with the elastic bending part, and the guide parts of the two clamping elastic sheets are respectively bent outwards and away from the bending part.

4. The insert sleeve according to claim 3, wherein the connecting elastic sheet is an elastic sheet bent in an arc shape, and two ends of the connecting elastic sheet are respectively connected to the upper edges of the two substrates.

5. The insert sleeve of claim 4, wherein the connecting spring piece is in the shape of a semicircular arc.

6. The insert according to any one of claims 1 to 5, wherein the insert further comprises a support for fixedly supporting the insert body.

7. The socket as claimed in claim 6, wherein the support member comprises a lateral support piece formed by horizontally extending a rear end of one of the connection elastic pieces to one side, and a vertical support piece formed by vertically extending a side of the lateral support piece downward.

8. The sleeve of claim 7 wherein said sleeve body and said support are integrally stamped from a single piece of hardware.

9. A socket comprising the insert of any one of claims 1 to 8.