CN216773585U

CN216773585U - Clamping type elastic sheet connector

Info

Publication number: CN216773585U
Application number: CN202122809608.7U
Authority: CN
Inventors: 何黎; 曹清连
Original assignee: Shenzhen Sunway Communication Co Ltd
Current assignee: Shenzhen Sunway Communication Co Ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-06-17
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a clamping type elastic sheet connector which comprises a welding part, wherein one side edge of the welding part is bent upwards and extends to form a connecting part, the two opposite sides of the connecting part are respectively provided with a clamping force arm, the connecting part and the two oppositely arranged clamping force arms form a convex structure with a clamping opening in an enclosing mode, and the clamping surface of the clamping opening is perpendicular to the top surface of the welding part. The clamping type elastic sheet connector is simple in structure and convenient to process and manufacture, can be applied to occasions where an external device needs to be inserted into the connector to be clamped and conducted, does not generate component force for the external device to separate from the clamping elastic sheet, and is more stable in clamping effect.

Description

Clamping type elastic sheet connector

Technical Field

The utility model relates to the technical field of elastic sheets, in particular to a clamping type elastic sheet connector.

Background

The existing clamping type elastic sheet connector generally utilizes an external device to press a contact part bent towards the direction of a welding plate on an elastic sheet to deform the contact part so as to generate a reaction force on the external device to realize clamping conduction, but at the same time, a component force capable of separating the external device from the clamping elastic sheet is generated, so that the connection between the external device and the clamping elastic sheet is not stable enough.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the novel clamping type elastic sheet connector capable of being stably conducted with an external device is provided.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides a centre gripping formula shell fragment connector, includes the welding part, a welding part side is buckled up and is extended formation connecting portion, the relative both sides of connecting portion are equipped with the centre gripping arm of force respectively, connecting portion and relative two that set up the centre gripping arm of force encloses into the type structure that appears that has the centre gripping mouth, the clamping face perpendicular to of centre gripping mouth the top surface of welding part.

Further, the top surface of welding part is equipped with at least one suction area.

Furthermore, at least one tin-soldering hole is formed in the welding part.

Furthermore, a reinforcing rib is arranged at the joint of the connecting part and the welding part.

Furthermore, the clamping force arm comprises a first elastic arm, a second elastic arm and a contact part which are connected in sequence; connecting portion both sides limit is buckled and is extended to form two first elastic arm, first elastic arm is kept away from the one end of connecting portion is buckled and is extended to form towards the inboard second elastic arm, the second elastic arm is kept away from the one end of first elastic arm is towards keeping away from the direction of connecting portion is buckled and is extended to form the contact site, two form between the contact site the centre gripping mouth, two the wall that the contact site is close to each other does the clamping face.

Further, the two first elastic arms are positioned right above the welding part.

Further, a gap is formed between the bottom surface of the clamping force arm and the top surface of the welding part.

Furthermore, the first elastic arm and the connecting part are arranged at an acute angle.

Furthermore, a reinforcing rib is arranged at the joint of the second elastic arm and the contact part.

Furthermore, the two opposite contact parts bend and extend away from each other to form a guide part in the direction away from the welding part.

The utility model has the beneficial effects that: the clamping type elastic sheet connector is simple in structure and convenient to process and manufacture, can be applied to occasions where an external device needs to be inserted into the connector to be switched on by clamping, and can not generate component force for the external device, so that the component force can be separated from a clamping elastic sheet, the clamping effect is more stable, and the stability of switching on the clamping type elastic sheet connector and the external device is favorably ensured.

Drawings

Fig. 1 is a schematic view of an overall structure of a clamping-type spring connector according to a first embodiment of the present invention;

fig. 2 is a top view of a clip-type spring connector according to a first embodiment of the utility model;

fig. 3 is a schematic diagram of the clamping type elastic piece connector according to the first embodiment of the utility model being matched with an external device (when the external device is not inserted);

fig. 4 is a schematic diagram of the clip-type dome connector according to the first embodiment of the utility model being mated with an external device (after the external device is inserted).

Description of reference numerals:

1. welding the part; 11. a suction zone; 12. tin-eating holes;

13. reinforcing ribs; 131. a first reinforcing rib; 132. a second reinforcing rib;

2. a connecting portion;

21. clamping a force arm; 211. a first resilient arm; 212. a second resilient arm; 213. a contact portion; 214. a guide part;

22. a clamping port; 221. a clamping surface;

3. an external device;

4. and (7) a PCB board.

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. 1 to 4, a clamping type elastic sheet connector includes a welding portion 1, one side of the welding portion 1 is bent upward and extended to form a connecting portion 2, two opposite sides of the connecting portion 2 are respectively provided with a clamping force arm 21, the connecting portion 2 and the two clamping force arms 21 arranged oppositely enclose a convex structure with a clamping opening 22, and a clamping surface 221 of the clamping opening 22 is perpendicular to a top surface of the welding portion 1.

The working principle of the utility model is briefly described as follows: when the external device 3 is inserted into the clamping opening 22 between the two oppositely arranged clamping force arms 21 from above the welding part 1, the two clamping force arms 21 are deformed by the acting force from the external device 3, and simultaneously, the clamping force is applied to the two sides of the external device 3 through the clamping surface 221 of the contact part 213, thereby realizing the clamping and conducting function with the external device 3. The clamping surface 221 is perpendicular to the top surface of the soldering portion 1, so that the clamping arm 21 does not generate a component force to the external device 3 opposite to the insertion direction thereof.

From the above description, the beneficial effects of the present invention are: this centre gripping formula shell fragment connector simple structure, it is convenient to process manufacturing, can be applied to the occasion that external device 3 need insert in the shell fragment connector and realize being switched on by the centre gripping, and this connector can not produce the component force that can make it break away from mutually with the centre gripping shell fragment to external device 3, and the centre gripping effect is more stable.

Referring to fig. 2, further, at least one suction area 11 is disposed on the top surface of the welding portion 1.

As can be seen from the above description, the clamping type spring plate connector can be assembled by the SMD process, which is beneficial to improving the assembly efficiency of the clamping type spring plate connector.

Further, the welding part is provided with at least one tin-eating hole 12.

As can be seen from the above description, the arrangement of the soldering holes 12 can enable the clip-type spring connector to be soldered and fixed on an external component (e.g., the PCB 4) more stably, thereby avoiding the occurrence of cold solder and solder leakage of the clip-type spring connector.

Furthermore, a reinforcing rib 13 is arranged at the joint of the connecting part 2 and the welding part 1.

As can be seen from the above description, the arrangement of the reinforcing ribs 13 can enhance the structural strength between the connecting part 2 and the welding part 1 on the clamping type elastic sheet connector, thereby being beneficial to ensuring the product precision after repeated use and reducing the risk of the clamping type elastic sheet connector falling.

Further, the clamping force arm 21 comprises a first elastic arm 211, a second elastic arm 212 and a contact part 213 which are connected in sequence; two are formed by bending and extending two sides of the connecting part 2, the first elastic arm 211 is far away from one end of the connecting part 2 is bent and extended inwards to form the second elastic arm 212, the second elastic arm 212 is far away from one end of the first elastic arm 211 is bent and extended towards the direction of the connecting part 2 to form the contact part 213, two between the contact parts 213 to form the clamping opening 22, two wall surfaces of the contact parts 213 close to each other are the clamping surface 221.

As can be seen from the above description, the clamping arm 21 has a simple structure, is easy to manufacture, and can provide a large elastic force.

Further, the two first elastic arms 211 are located right above the welding portion 1.

As can be seen from the above description, the clamping type elastic sheet connector has smaller overall external size and less space occupation.

Further, a gap is formed between the bottom surface of the clamping arm 21 and the top surface of the welding part 1.

As can be seen from the above description, when the external device 3 is inserted into the clip-type elastic connector, the clip force arm 21 will not contact the soldering portion 1 after being deformed by a force, so as to prevent the soldering portion 1 from being scratched.

Further, the first elastic arm 211 and the connecting portion 2 are disposed at an acute angle.

As can be seen from the above description, when the first elastic arm 211 and the connecting portion 2 are arranged at an acute angle to enable the external device 3 to be inserted, the first elastic arm 211 can apply a larger elastic force to the external device 3, so as to further improve the clamping effect of the clamping-type elastic piece connector and enhance the stability of the conduction of the clamping-type elastic piece connector and the external device 3.

Further, a reinforcing rib 13 is arranged at the joint of the second elastic arm 212 and the contact part 213.

As can be seen from the above description, the arrangement of the reinforcing rib 13 can enhance the structural strength of the connection between the second elastic arm 212 and the contact portion 213 on the clamping-type elastic sheet connector, thereby being beneficial to ensuring the product precision after multiple uses, and simultaneously being capable of improving the clamping force of the clamping-type elastic sheet connector.

Further, the two contact portions 213 oppositely disposed are bent and extended away from each other in a direction away from the welding portion 1 to form a guide portion 214.

As can be seen from the above description, the two oppositely disposed guiding portions 214 can provide a certain guiding function for the inserted external device 3, and ensure that the external device 3 can smoothly enter the clamping opening 22.

Example one

Referring to fig. 1 to 4, a first embodiment of the present invention is: a clamping type elastic sheet connector can be applied to electronic equipment such as mobile phones, intelligent watches, interphones, tablet computers, notebook computers, portable game machines and the like.

Centre gripping formula shell fragment connector includes

welding part

1, 1 side of welding part is buckled up and is extended formation connecting portion 2, the relative both sides of connecting portion 2 are equipped with the centre gripping arm of force 21 respectively, connecting portion 2 and relative two that set up the centre gripping arm of force 21 encloses into the type structure of protruding that has centre gripping mouth 22, the clamping face 221 perpendicular to of centre gripping mouth 22 the top surface of welding part 1. The two clamping force arms 21 are symmetrically arranged, and the clamping openings 22 are positioned at the small opening end of the convex structure.

Referring to fig. 3 and 4, in use, the external device 3 is inserted into the clamping opening 22 between the two oppositely disposed clamping arms 21 from above the welding portion 1, and at this time, the two clamping arms 21 deform under stress and respectively abut against two sides of the external device 3 through the two clamping surfaces 221, thereby clamping and conducting the external device 3. As can be easily understood, the clamping surface 221 is perpendicular to the top surface of the soldering portion, so that the contact area between the clamping surface 221 and the external device 3 can be increased, the distribution of the acting force of the clamping surface 221 on the external device 3 is more uniform, the clamping stability is improved, and the abrasion on the external device 3 is reduced.

Referring to fig. 2, the top surface of the welding portion 1 is provided with at least one suction area 11. During assembly, the clamping type elastic sheet connector can be sucked through the sucking area 11 by adopting an SMD (surface mounted device) process, and the welding plate 1 of the clamping type elastic sheet connector is welded on the PCB 4. In this embodiment, the connecting portion 2 is disposed on one side of the welding portion 1, and the convex structure surrounded by the connecting portion 2 and the two clamping force arms 21 is located in the middle region above the welding plate 1, so that the suction area 11 is disposed on the other side of the welding portion 1 and close to the two ends, thereby preventing the damage caused by the collision of the manipulator with the clamping force arms 21 in the SMD process.

Referring to fig. 2, at least one tin-eating hole 12 is formed on the soldering portion 1. In this embodiment, two tin-eating holes 12 are provided, and are respectively disposed near two ends of the soldering portion 1 to enhance the soldering stability. In other embodiments, the tin-eating hole can be provided in plurality.

Referring to fig. 1, in order to ensure the structural stability of the joint of the connecting portion 2 and the welding portion 1, a first reinforcing rib 131 is disposed at the joint of the connecting portion 2 and the welding portion 1.

Referring to fig. 1 and fig. 2, in detail, the clamping arm 21 includes a first elastic arm 211, a second elastic arm 212 and a contact portion 213 connected in sequence; two are formed by bending and extending two sides of the connecting part 2, the first elastic arm 211 is far away from one end of the connecting part 2 is bent and extended inwards to form the second elastic arm 212, the second elastic arm 212 is far away from one end of the first elastic arm 211 is bent and extended towards the direction of the connecting part 2 to form the contact part 213, two between the contact parts 213 to form the clamping opening 22, two wall surfaces of the contact parts 213 close to each other are the clamping surface 221.

Referring to fig. 1, in order to make the clip-type elastic piece connector have a more compact structure and reduce the occupied space, the two first elastic arms 211 are located right above the welding portion 1. In other embodiments, alternatively, a structure may be provided in which the first elastic arm 211 is located obliquely above the welding portion 1 or the connection portion 2 is located between the first elastic arm 211 and the welding portion 1.

In order to prevent the clamping force arm 21 from being deformed by the friction force of the external device 3 and then abutting against the welding part 1 to cause abrasion of the welding part 1, a gap is formed between the bottom surface of the clamping force arm 21 and the top surface of the welding part 1.

The first elastic arm 211 and the connecting portion 2 are disposed at an acute angle. When external device 3 inserts, two clamping force arms 21 keep away from the atress each other, exert reaction force in order to realize the centre gripping to switch on to external device 3 both sides through two contact site 213 simultaneously, are the acute angle setting between first elastic arm 211 and the connecting portion 2, and the elastic modulus of multiplicable clamping force arm 21, and then increase clamping-force, reinforcing clamping effect.

Referring to fig. 1, in order to ensure the structural stability of the joint of the second elastic arm 212 and the contact portion 213, a second stiffener 132 is disposed at the joint of the second elastic arm 212 and the contact portion 213.

The two opposite contact portions 213 are bent away from each other in a direction away from the welding portion 1 to form a guide portion 214. The two oppositely disposed guiding portions 214 form a reversed figure-of-eight structure, which can guide the insertion position of the external device 3 to some extent.

In conclusion, the clamping type elastic sheet connector provided by the utility model has the advantages of simple structure, convenience in processing and manufacturing, convenience in installation process, certain strength to ensure the product precision after multiple deformations, and capability of guiding the insertion position of an external device; the connector can be applied to occasions where an external device needs to be inserted into the connector to be clamped and conducted, and the connector can not generate component force for the external device to separate from the clamping elastic sheet, so that the clamping effect is more stable.

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

Claims

1. The utility model provides a centre gripping formula shell fragment connector, includes the welding part, its characterized in that: the utility model discloses a welding portion, including welding portion, connecting portion, clamping force arm, clamping surface, connecting portion, welding portion one side is buckled up and is extended to form connecting portion, the relative both sides of connecting portion are equipped with the clamping force arm respectively, connecting portion and relative two that set up the clamping force arm encloses into the type structure that appears that has the centre gripping mouth, the clamping surface perpendicular to of centre gripping mouth the top surface of welding portion.

2. The clip-on dome connector of claim 1, wherein: the top surface of welding part is equipped with at least one suction area.

3. The clip-on dome connector of claim 1, wherein: the welding part is provided with at least one tin-eating hole.

4. The clip-on dome connector of claim 1, wherein: and reinforcing ribs are arranged at the joints of the connecting parts and the welding parts.

5. The clip-on dome connector of claim 1, wherein: the clamping force arm comprises a first elastic arm, a second elastic arm and a contact part which are connected in sequence; connecting portion both sides limit is buckled and is extended to form two first elastic arm, first elastic arm is kept away from the one end of connecting portion is buckled and is extended to form towards the inboard second elastic arm, the second elastic arm is kept away from the one end of first elastic arm is towards keeping away from the direction of connecting portion is buckled and is extended to form the contact site, two form between the contact site the centre gripping mouth, two the wall that the contact site is close to each other does the clamping face.

6. The clip-on dome connector of claim 5, wherein: the two first elastic arms are located right above the welding portion.

7. The clip-on dome connector of claim 6, wherein: a gap is formed between the bottom surface of the clamping force arm and the top surface of the welding part.

8. The clip-on dome connector of claim 5, wherein: the first elastic arm and the connecting part are arranged at an acute angle.

9. The clip-on dome connector of claim 5, wherein: and reinforcing ribs are arranged at the joints of the second elastic arms and the contact parts.

10. The clip-on dome connector of claim 5, wherein: the two opposite contact parts are bent and extended away from each other towards the direction away from the welding part to form a guide part.