CN209913084U

CN209913084U - Fisheye terminal

Info

Publication number: CN209913084U
Application number: CN201822174155.3U
Authority: CN
Inventors: 刘清; 龙跃; 樊玉轩
Original assignee: Shenzhen Shuang Yue Industrial Development Co Ltd
Current assignee: Shenzhen Shuang Yue Industrial Development Co Ltd
Priority date: 2018-12-24
Filing date: 2018-12-24
Publication date: 2020-01-07
Anticipated expiration: 2028-12-24

Abstract

The utility model provides a fisheye terminal, includes basal portion, plug pin portion, locates the basal portion and two elastic part between the plug pin portion, two elastic part set up in opposite directions and surround and form the fisheye hole, the cross section of two elastic part all reduces from basal portion one end to plug pin portion one end gradually, be equipped with the messenger in the fisheye hole two elastic part produce the elastic component of reverse acting force after the pressurized, the elastic component is on a parallel with the extending direction setting of basal portion, and the both ends of elastic component are connected with the junction of two elastic part respectively, the basal portion is including welding part, pressure buffering portion, the reinforcing portion that connects gradually, pressure buffering portion includes two buffering strips that set up side by side and reverse buckling. The utility model discloses an elastic component guarantees that two elastic parts and electrically conductive hole fully contact, peg graft easily and connect reliably, increase the buffering and improve the protection.

Description

Fisheye terminal

Technical Field

The utility model relates to a circuit connection terminal field indicates a fisheye terminal especially.

Background

The connection between the common communication connector or the electrical connector and the circuit board is various, one of which is a plug-in type terminal, and the most widely used plug-in type terminal is a fisheye terminal.

The structure of the existing fisheye terminal: the pin comprises a base part, two elastic parts connected with the base part and pin parts connected with the two elastic parts in sequence; the elastic parts are arc-shaped, the two elastic parts are oppositely arranged, and a fisheye hole is formed between the two elastic parts; the cross-section of the resilient portion is equal from one end near the base to the other. The fisheye terminal is welded on the function board through the base. When the fisheye terminal is inserted, the two elastic parts of the fisheye terminal are extruded to elastically contract, so that the fisheye terminal is smoothly inserted into the conductive inserting hole of the circuit board, and the fisheye terminal is electrically connected with the circuit board.

The fisheye terminal has the following problems: in order to ensure the reliability of the electrical connection between the terminal and the circuit board, the cross section of the elastic part is large, the elastic part is extruded and is not easy to elastically contract, so that the fisheye terminal is not easy to withdraw from the conductive jack after being inserted, but the fisheye terminal is difficult to insert, and the fisheye terminal is easy to interfere excessively under strong stress and yield in mechanical property. In addition, when the fisheye terminal is quickly inserted into the circuit board, the fisheye terminal needs to bear large pressure, and the base part is generally an upright surface, so that the fisheye terminal is easy to crush the functional board, is easy to break and is very unstable. Therefore, the structure of the existing fisheye terminal is not reasonable, and an improvement is provided.

Disclosure of Invention

In order to solve the problem, the utility model provides a can guarantee two elastic parts and the electrically conductive hole of circuit board fully contact, peg graft easily and connect reliable, increase the fisheye terminal of buffering.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a fisheye terminal, includes basal portion, plug pin portion, locates the basal portion and two elastic part between the plug pin portion, two elastic part set up in opposite directions and surround and form the fisheye hole, the cross section of two elastic part all reduces from basal portion one end to plug pin portion one end gradually, be equipped with the messenger in the fisheye hole two elastic part produce the elastic component of reverse acting force after the pressurized, the elastic component is on a parallel with the extending direction setting of basal portion, and the both ends of elastic component are connected with the junction of two elastic part respectively, the basal portion is including welding part, pressure buffering portion, the reinforcing portion that connects gradually, pressure buffering portion includes two buffering strips that set up side by side and reverse buckling.

Specifically, grooves are formed in two opposite side faces of the two elastic portions, and the grooves extend from one end of the base portion to one end of the pin portion.

Specifically, the groove is a semicircular groove.

Specifically, the tip of the pin part is provided with four inclined surfaces along the circumferential direction.

Specifically, the elastic piece and the two elastic parts are integrally formed.

Specifically, be equipped with the bar opening on the welding part, the welding part passes through the bar opening sets up into the arc of buckling.

Specifically, the thickness of welding part and pressure buffer is the same, the thickness of reinforcement and elasticity portion is the same, the thickness of reinforcement is greater than the thickness of pressure buffer.

Specifically, the welding portion, the pressure buffer portion, and the reinforcing portion are integrally formed.

The beneficial effects of the utility model reside in that:

1) when the fisheye terminal carries out the cartridge, two elastic parts produce elastic deformation by the extrusion of circuit board conductive hole, and the elastic component is deformation thereupon, and the elastic component makes two elastic parts produce reverse effort after the pressurized, and this reverse effort makes the conductive hole full contact of two elastic parts and circuit board to make the connection of fisheye terminal and circuit board more reliable, and, fisheye terminal and circuit board area of contact increase, the mutual effort of the two increases, thereby the basis resistance of fisheye terminal and circuit board has been reduced, and then reduces calorific capacity, therefore this fisheye terminal is applicable in the occasion of heavy current.

2) The cross section of the elastic part is gradually reduced from one end of the base part to one end of the plug part, one end of the elastic part close to the plug part is more easily elastically contracted when being extruded, and the terminal can be easily and labor-saving when being inserted into the conductive jack of the circuit board; and compare under, the difficult elastic shrinkage that takes place when the one end that the elastic component is close to the basal portion receives the extrusion, after the terminal cartridge targets in place, the one end that the elastic component is close to the basal portion will produce great holding power, prevents that the fisheye terminal from withdrawing from electrically conductive jack, and the elastic component can all the time with the pore wall in close contact with of electrically conductive jack under the effect of self resilience power, just so can guarantee the reliable electricity connection of fisheye terminal and circuit board.

3) The utility model discloses a pressure buffering portion comprises two buffering strips that set up side by side and reverse the buckling, when the fisheye terminal impresses the electrically conductive downthehole on the circuit board fast, axial pressure on the fisheye terminal can disperse on two directions of buffering strip for the pressure buffering part atress of fisheye terminal is balanced, and has cushioned the impact to the function board, has avoided the fisheye terminal with function board crushing and the cracked problem of fisheye terminal.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a partially enlarged schematic view of the present invention;

fig. 4 is a front view of the present invention;

fig. 5 is a sectional view taken along the line a in fig. 4.

The reference numbers illustrate: 1-a base; 2-a pin part; 3-an elastic part; 4-an elastic member; 5-a weld; 6-a pressure buffer; 7-a reinforcing part; 21-inclined plane; 31-fisheye hole; 32-grooves; 51-bar shaped openings; 52-bending an arc shape; 61-buffer strip.

Detailed Description

Referring to fig. 3-4, the present invention relates to a fisheye terminal, including a base portion 1, a pin portion 2, and two elastic portions 3 disposed between the base portion 1 and the pin portion 2, wherein the two elastic portions 3 are oppositely disposed to surround a fisheye hole 31, the cross sections of the two elastic portions 3 are gradually reduced from one end of the base portion 1 to one end of the pin portion 2, an elastic member 4 is disposed in the fisheye hole 31, the elastic member 4 generates a reverse acting force after the two elastic portions 3 are pressed, the elastic member 4 is disposed parallel to the extending direction of the base portion 1, and two ends of the elastic member 4 are respectively connected to the joint of the two elastic portions 3, referring to fig. 1-2, the base portion 1 includes a welding portion 5, a pressure buffering portion 6, and a reinforcing portion 7, which are sequentially connected, and the pressure buffering portion 6 includes two buffering strips 61 that are disposed in parallel and are reversely bent.

The utility model provides a pair of fisheye terminal when the fisheye terminal carries out the cartridge, two elastic part 3 produced elastic deformation by the extrusion in the electrically conductive hole of circuit board, and elastic part 4 deformation thereupon, and elastic part 4 makes two elastic part 3 produce reverse acting force after the pressurized, and this reverse acting force makes the electrically conductive hole of two elastic part 3 and circuit board fully contact to make the fisheye terminal more reliable with being connected of circuit board, and fisheye terminal and circuit board area of contact increase, the two interact power increase, thereby reduced the basic resistance of fisheye terminal and circuit board, and then reduce calorific capacity, therefore this fisheye terminal is applicable in the occasion of heavy current.

In the utility model, the cross section of the elastic part 3 is gradually reduced from one end of the base part 1 to one end of the inserting part, wherein, the thickness of the elastic body is kept consistent from one end of the base part 1 to one end of the inserting part, and the width of the elastic body is gradually reduced from one end of the base part 1 to one end of the inserting part, therefore, the elastic contraction is easier to occur when one end of the elastic part 3 close to the inserting part is extruded, and the terminal can be easily inserted into the conductive jack of the circuit board with less labor; compared with the prior art, the elastic part 3 is not easy to elastically contract when being extruded at one end close to the base part 1, after the terminal is inserted in place, one end of the elastic part 3 close to the base part 1 can generate large holding force to prevent the fisheye terminal from retreating from the conductive jack, and the elastic part 3 can be always in close contact with the hole wall of the conductive jack under the action of self resilience force, so that the fisheye terminal is ensured to be reliably and electrically connected with the circuit board.

The utility model discloses a pressure buffering portion 6 comprises two buffering strips 61 that set up side by side and reverse buckling, when the fisheye terminal impresses the electrically conductive downthehole on the circuit board fast, axial pressure on the fisheye terminal can disperse on two directions of buffering strip 61 for 6 partial atress of pressure buffering portion of fisheye terminal are balanced, and have cushioned the impact to the function board, have avoided the fisheye terminal with function board crushing and the cracked problem of fisheye terminal.

Referring to fig. 5, specifically, two opposite side surfaces of the two elastic portions 3 are provided with grooves 32, and the grooves 32 extend from one end of the base portion 1 to one end of the pin portion 2.

When elastic part 3 and electrically conductive hole contact, the partial atress that lies in recess 32 both sides on the elastic part 3 extrudees to recess 32 department, has optimized the cooperation relation of fisheye terminal with electrically conductive hole, has avoided the fisheye terminal to interfere excessively and mechanical properties to surrender under strong stress, has guaranteed the stability of connecting.

Specifically, the groove 32 is a semicircular groove.

The semicircular groove is beneficial to the part of the elastic part 3, which is positioned at two sides of the semicircular groove, to extrude and deform towards the semicircular groove.

Referring to fig. 3-4, specifically, the end of the pin portion 2 is provided with four inclined surfaces 21 along the circumferential direction.

The four inclined surfaces 21 are arranged at the tail end of the pin part 2, so that the fisheye terminal can be inserted into the conductive hole of the circuit board.

In particular, the elastic element 4 is integrally formed with the two elastic portions 3.

By adopting the scheme, the stability of the integral structure of the fisheye terminal is ensured.

Specifically, a strip-shaped opening 51 is provided on the welding portion 5, and the welding portion 5 is provided in a bent arc shape 52 through the strip-shaped opening 51.

Set up bar opening 51 on weld part 5, conveniently realize buckling in this department, labour saving and time saving improves production efficiency, and the arc 52 of buckling on the weld part 5 has improved the buffer capacity of fisheye terminal.

Referring to fig. 2, specifically, the thickness of the welding portion 5 is the same as that of the pressure buffering portion 6, the thickness of the reinforcing portion 7 is the same as that of the elastic portion 3, and the thickness of the reinforcing portion 7 is greater than that of the pressure buffering portion 6.

Adopt above-mentioned scheme, can improve the intensity of elasticity portion 3 and reinforcing portion 7, and then improve the intensity of whole flake terminal.

Specifically, the welded portion 5, the pressure buffer portion 6, and the reinforcing portion 7 are integrally formed.

The welding part 5, the pressure buffering part 6 and the reinforcing part 7 are integrally formed by punching and molding copper alloy, so that the stability of the integral structure of the fisheye terminal is ensured, and the copper alloy has excellent flexibility.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims

1. The utility model provides a fisheye terminal, includes basal portion, pin portion, locates basal portion and two elastic part between the pin portion, two elastic part set up in opposite directions and surround formation fisheye hole, its characterized in that: the cross sections of the two elastic parts are gradually reduced from one end of the base part to one end of the pin part, an elastic piece which enables the two elastic parts to generate reverse acting force after being pressed is arranged in the fisheye hole, the elastic piece is arranged in parallel to the extending direction of the base part, two ends of the elastic piece are respectively connected with the joint of the two elastic parts, the base part comprises a welding part, a pressure buffering part and a reinforcing part which are sequentially connected, and the pressure buffering part comprises two buffering strips which are arranged in parallel and are bent reversely; and the two opposite side surfaces of the two elastic parts are respectively provided with a semicircular groove, and the semicircular grooves extend from one end of the base part to one end of the pin part.

2. The fisheye terminal of claim 1, wherein: the tail end of the pin part is provided with four inclined planes along the circumferential direction.

3. The fisheye terminal of claim 1, wherein: the elastic piece and the two elastic parts are integrally formed.

4. The fisheye terminal of claim 1, wherein: be equipped with the bar opening on the welding part, the welding part passes through the bar opening establishes into the arc of buckling.

5. The fisheye terminal of claim 1, wherein: the thickness of welding part and pressure buffer portion is the same, the thickness of reinforcement portion is the same with the elasticity portion, the thickness of reinforcement portion is greater than the thickness of pressure buffer portion.

6. The fisheye terminal of claim 1, wherein: the welding part, the pressure buffering part and the reinforcing part are integrally formed.