CN216598000U

CN216598000U - Elastic sheet connector

Info

Publication number: CN216598000U
Application number: CN202121790127.XU
Authority: CN
Inventors: 蒋武向
Original assignee: Shenzhen Sunway Communication Co Ltd
Current assignee: Shenzhen Sunway Communication Co Ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-05-24
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a spring plate connector which comprises a welding part, an R corner part, a connecting arm, a contact part and an arched part, wherein the welding part, the R corner part, the connecting arm and the contact part are sequentially connected, and the welding part is connected with the R corner part through the arched part. This shell fragment connector simple structure, novelty, the junction setting of welding part and R bight can accept the hunch-up portion of tin liquid for in shell fragment connector and the exterior structure welding process, tin liquid flows along the welding part and just stops to hunch-up portion department, can not continue to flow forward and cause R bight and exterior structure to form fixedly with the contact of R bight, do benefit to the elasticity of guaranteeing R bight, reduce R bight pressurized deformation risk, do benefit to the yields of the sub-assembly that improves shell fragment connector and exterior structure welding formation.

Description

Elastic sheet connector

Technical Field

The utility model relates to the technical field of conducting elastic sheets, in particular to an elastic sheet connector.

Background

As shown in fig. 1, the conventional dome connector 3 includes a soldering portion 31, an R corner portion 33, a connecting arm 34 and a contact portion 35 connected in sequence, when the dome connector 3 is soldered to the external structure 1, molten tin may flow to the R corner portion 33 along the soldering portion 31, so that a partial region of the R corner portion 33 is fixed to the external structure 1, when the contact portion 35 is pressed down, the R corner portion 33 is inelastic or elastic and drops greatly, and after the contact portion is pressed down multiple times, the R corner portion 33 may deform seriously, which causes the dome connector to fail.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: provides a novel elastic sheet connector with high assembly yield.

In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a shell fragment connector, includes consecutive welding part, R bight, linking arm and contact site, still includes hunch portion, the welding part with R bight passes through hunch portion links to each other.

Further, the arching portion is arc-shaped.

Further, the arched portion has an inverted V-shape, and includes a first portion and a second portion connected to each other, the first portion connecting the welded portion, and the second portion connecting the R-corner portion.

Further, the first portion with the contained angle between the face of weld of welding part is greater than the second portion with the contained angle between the face of weld of welding part.

Furthermore, the welding part is provided with a through hole.

Furthermore, the supporting arm is connected with the contact part, and an interference part matched with the arch part is formed at one end of the supporting arm, which is far away from the contact part.

Further, in a free state, a first gap is formed between the abutting portion and the arching portion.

Furthermore, at least one side of one end of the supporting arm close to the contact part is provided with a protective arm for supporting the interference part.

Furthermore, the opposite two sides of one end of the supporting arm close to the contact part are respectively provided with the protecting arms.

Further, in a free state, a second gap is formed between the guard arm and the interference part.

The utility model has the beneficial effects that: this shell fragment connector simple structure, novelty, the junction setting of welding part and R bight can accept the hunch-up portion of tin liquid for in shell fragment connector and the exterior structure welding process, tin liquid flows along the welding part and just stops to hunch-up portion department, can not continue to flow forward and cause R bight and exterior structure to form fixedly with the contact of R bight, do benefit to the elasticity of guaranteeing R bight, reduce R bight pressurized deformation risk, do benefit to the yields of the sub-assembly that improves shell fragment connector and exterior structure welding formation.

Drawings

FIG. 1 is an assembly view of a prior art dome connector and an external structure;

fig. 2 is a schematic structural diagram of an overall structure of a dome connector according to a first embodiment of the present invention;

fig. 3 is a schematic view of a working state of the dome connector according to the first embodiment of the present invention;

fig. 4 is a schematic structural diagram of an overall structure of a dome connector according to a second embodiment of the present invention.

Description of reference numerals:

1. an outer structure;

3. a spring plate connector; 31. welding the part; 311. a through hole; 32. an arching portion; 321. a first part; 322. a second section; 33. an R corner; 34. a connecting arm; 341. a flat plate portion; 342. a ramp-up portion; 35. a contact portion; 36. a support arm; 361. a first inclined descending part; 362. a second descending part; 37. a contact part; 38. and (4) protecting the arms.

Detailed Description

In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 2 to 4, a spring plate connector includes a welding portion 31, an R corner portion 33, a connecting arm 34, and a contact portion 35, which are connected in sequence, and further includes an arch portion 32, wherein the welding portion 31 and the R corner portion 33 are connected through the arch portion 32.

From the above description, the beneficial effects of the present invention are: this shell fragment connector 3 simple structure, it is novel, welding part 31 sets up the hunch portion 32 that can accept tin liquid with the junction of R bight 33, make

shell fragment connector

3 and 1 welding process of exterior structure, tin liquid flows along welding part 31 and just stops to hunch portion 32 department, can not continue to flow forward and cause R bight 33 and exterior structure 1 to form fixedly with the contact of R bight 33, do benefit to the elasticity of guaranteeing R bight 33, reduce R bight 33 pressurized deformation risk, do benefit to the yields of the sub-assembly that improves shell fragment connector 3 and exterior structure 1 welding formation.

Further, the welding portion 31 is provided with a through hole 311.

As can be seen from the above description, the through holes 311 formed in the soldering portion 31 can prevent the soldering portion 31 from being soldered or soldered incorrectly, which is beneficial to ensuring the soldering stability between the elastic sheet connector 3 and the external structure 1, thereby improving the yield of the elastic sheet connector 3.

Further, the support arm 36 is connected with the contact part 35, and an interference part 37 matched with the arch part 32 is formed at one end of the support arm 36 far away from the contact part 35.

Further, in the free state, a first gap is provided between the abutting portion 37 and the rising portion 32.

As can be seen from the above description, the supporting arms 36 are disposed to cooperate with the arching portions 32, so that the spring connector 3 can provide a larger supporting force (i.e. the elastic force of the spring connector 3 is improved) when being pressed, thereby ensuring the contact stability between the spring connector 3 and the device to be conducted.

Further, at least one side of the end of the support arm 36 near the contact portion 35 is provided with a guard arm 38 for supporting the interference portion 37.

Further, the opposite sides of one end of the support arm 36 near the contact portion 35 are respectively provided with the guard arms 38.

Further, in the free state, a second gap is provided between the guard arm 38 and the interference portion 37.

As can be seen from the above description, when the elastic sheet connector 3 is pressed, the protection arm 38 and the abutting portion 37 form an abutting action, so that the risk of irreversible deformation of the elastic sheet connector 3 is effectively reduced, and the service life of the elastic sheet connector 3 is prolonged.

Further, the arching portion 32 is arc-shaped.

Further, the arch portion 32 has an inverted V-shape, the arch portion 32 includes a first portion 321 and a second portion 322 connected to each other, the first portion 321 connects the welding portion 31, and the second portion 322 connects the R-corner portion 33.

As can be seen from the above description, the specific structure of the arch part 32 is various, which is beneficial to enrich the variety of the spring connector 3.

Further, an included angle between the first portion 321 and the welding surface of the welding portion 31 is larger than an included angle between the second portion 322 and the welding surface of the welding portion 31.

As can be seen from the above description, the first portion 321 of the arching portion 32 cooperates with the abutting portion 37 to provide a greater supporting force for the abutting portion 37, so as to reduce the risk of the irreversible deformation of the spring connector 3.

Example one

Referring to fig. 2 and fig. 3, a first embodiment of the present invention is: the utility model provides a shell fragment connector, can be arranged in electronic terminal equipment such as cell-phone, panel computer, notebook computer, intelligent wrist-watch, intercom, shell fragment connector 3 welds on external structure 1 and elasticity switches on and treats the switch-on components and parts, and wherein, external structure 1 includes but is not limited to PCB board, antenna boom etc..

The spring connector 3 comprises a welding part 31, an arched part 32, an R corner part 33, a connecting arm 34 and a contact part 35 which are connected in sequence, wherein the welding part 31 and the R corner part 33 are separated by the arched part 32, in the embodiment, the arched part 32 is in an inverted V shape, in detail, the arched part 32 comprises a first part 321 and a second part 322 which are connected, the first part 321 is connected with the welding part 31, and the second part 322 is connected with the R corner part 33. In other embodiments, the raised portion 32 may also be arcuate.

In order to improve the elasticity of the spring connector 3, the spring connector 3 further comprises a supporting arm 36 connected with the contact part 35, an abutting part 37 matched with the arching part 32 is formed at one end of the supporting arm 36 far away from the contact part 35, and when the spring connector 3 is in a free state, a first gap is formed between the abutting part 37 and the arching part 32.

In order to reduce the risk of the compression damage to the dome connector 3, at least one side of the supporting arm 36 near the end of the contact portion 35 is provided with a guard arm 38 for supporting the interference portion 37, and it is easy to understand that when the dome connector 3 is in a free state, a second gap is formed between the guard arm 38 and the interference portion 37. In this embodiment, the opposite sides of one end of the supporting arm 36 close to the contact portion 35 are respectively provided with the protecting arms 38. Referring to fig. 3, the solid line portion of fig. 3 shows the spring connector 3 in an uncompressed state, the dotted line portion shows the spring connector 3 in a compressed state, and it can be clearly seen from the dotted line portion that the guard arm 38 and the arch portion 32 respectively provide support for the abutting portion 37.

In a preferred embodiment, an included angle between the first portion 321 and the welding surface of the welding portion 31 is larger than an included angle between the second portion 322 and the welding surface of the welding portion 31. Thus, the elastic force of the spring plate connector 3 can be further increased.

Specifically, the connecting arm 34 includes a flat plate portion 341 and a obliquely-raised portion 342 connected to each other, an obtuse angle is formed between the flat plate portion 341 and the obliquely-raised portion 342, the flat plate portion 341 connects the R-corner portion 33, and the obliquely-raised portion 342 connects the contact portion 35; the support arm 36 includes a first inclined descending portion 361 and a second inclined descending portion 362 connected to each other, an obtuse angle is formed between the first inclined descending portion 361 and the second inclined descending portion 362, the top of the first inclined descending portion 361 is connected to the contact portion 35, the bottom of the second inclined descending portion 362 is connected to the interference portion 37, and the guard arm 38 is connected to the first inclined descending portion 361.

The elastic sheet connector 3 of the present embodiment is an integrated structure formed by cutting and bending a metal plate.

Example two

Referring to fig. 4, the second embodiment of the present invention is a further improvement of the welding portion 31 on the basis of the first embodiment, and is different from the first embodiment in that: the through holes 311 are formed in the welding portion 31, and due to the arrangement of the through holes 311, cold solder joint and solder leakage of the welding portion 31 can be prevented.

In conclusion, the spring plate connector provided by the utility model is simple and novel in structure, the connecting part of the welding part and the R corner part is provided with the arched part capable of containing tin liquid, so that the tin liquid flows to the arched part along the welding part and stops in the welding process of the spring plate connector and an external structure, and cannot continuously flow forwards to contact with the R corner part to cause the R corner part and the external structure to be fixed, the elasticity of the R corner part is favorably ensured, the risk of deformation of the R corner part under pressure is reduced, and the yield of an assembly formed by welding the spring plate connector and the external structure is favorably improved; due to the arrangement of the through holes on the welding part, the phenomena of insufficient soldering, missing soldering and the like of the welding part can be prevented; the elastic force of the elastic sheet connector can be effectively guaranteed by the arrangement of the supporting arm and the protecting arm, and the risk of overvoltage deformation of the elastic sheet connector is reduced.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent modifications made by the present invention and the contents of the accompanying drawings, which are directly or indirectly applied to the related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a shell fragment connector, includes consecutive welding part, R bight, linking arm and contact site, its characterized in that: the welding part is connected with the R corner part through the arched part; the supporting arm is connected with the contact part, and an abutting part matched with the arch part is formed at one end of the supporting arm, which is far away from the contact part; at least one side of one end of the supporting arm close to the contact part is provided with a protection arm for supporting the collision part.

2. A dome connector according to claim 1, characterized in that: the arching portion is arc-shaped.

3. A dome connector according to claim 1, characterized in that: the arched portion is in an inverted V shape, the arched portion comprises a first portion and a second portion which are connected, the first portion is connected with the welding portion, and the second portion is connected with the R corner portion.

4. A dome connector according to claim 3, characterized in that: the first portion with contained angle between the face of weld is greater than the second portion with contained angle between the face of weld.

5. A dome connector according to claim 1, characterized in that: the welding part is provided with a through hole.

6. A dome connector according to claim 1, characterized in that: in a free state, a first gap is formed between the abutting part and the arching part.

7. A dome connector according to claim 1, characterized in that: the opposite two sides of one end of the supporting arm close to the contact part are respectively provided with the protecting arms.

8. The dome connector of claim 1, wherein: in a free state, a second gap is formed between the protective arm and the interference part.