CN210274710U

CN210274710U - Anti-skid contact piece

Info

Publication number: CN210274710U
Application number: CN201920914316.XU
Authority: CN
Inventors: 方馨
Original assignee: Chongqing Zhongdecheng Mould Co Ltd
Current assignee: Chongqing Zhongdecheng Mould Co Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-04-07
Anticipated expiration: 2029-06-12

Abstract

The utility model discloses an antiskid contact piece, including PCB circuit board, negative pole contact piece and anodal contact piece are all fixed on the top surface of PCB circuit board, the top surface of PCB circuit board is provided with four welding seats, the both ends symmetry of negative pole contact piece is equipped with four integral type welding feet, the inside of welding seat is seted up the weld groove, and the welding foot can get into the inside of weld groove from one side of welding seat; through set up the weld groove in that the weld seat is inside, and set up the arc piece in weld groove inside, make the welding foot can be fixed in the inside of weld groove by the arc piece when the welding, thereby make the welding process of welding foot more simple and convenient, avoid former device need the operating personnel to press the welding foot with the hand and just can carry out the welded problem, can improve operating personnel's welding efficiency, simultaneously under the effect of arc piece, can avoid former device to lead to the bad problem emergence of contact between negative pole contact piece and the PCB circuit board because of the welding point fracture.

Description

Anti-skid contact piece

Technical Field

The utility model belongs to the technical field of the contact piece, concretely relates to antiskid type contact piece.

Background

The remote control key of the automobile is a small electronic key used for unlocking and locking the automobile, a button battery is generally arranged in the remote control key, the button battery and a PCB circuit board in the remote control key are electrified through an elastic contact piece, the contact piece is generally divided into a positive contact piece and a negative contact piece which are fixed on the circuit board of the PCB through welding, and the battery can be arranged between the positive contact piece and the negative contact piece and clamped by the positive contact piece and the negative contact piece.

The current contact piece is for the sake of convenience to weld the negative pole contact piece, can set up four weld holders on the PCB circuit board, but in actual welding process, because there is not any spacing measure between weld holder and the welding foot, make operating personnel need press the welding foot with the finger and weld again in welding process, and the welding foot appears skidding very easily, bring inconvenience for operating personnel, if lead to the welding point to split because of external force in subsequent use simultaneously, then can lead to contact failure between negative pole contact piece and the PCB circuit board, we provide an antiskid type contact piece for this reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an antiskid type contact piece, in order to solve the current contact piece that proposes in the above-mentioned background art and in order to weld the negative pole contact piece for the sake of convenience, can set up four welding seats on the PCB circuit board, but in actual welding process, because there is not any spacing measure between welding seat and the welding foot, make operating personnel need to press the welding foot with the finger in welding process and weld again, and the welding foot appears skidding very easily, bring inconvenience for operating personnel, if lead to the welding point to split because of external force in subsequent use simultaneously, then can lead to the bad problem of contact between negative pole contact piece and the PCB circuit board.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an antiskid type contact piece, includes PCB circuit board, negative pole contact piece and anodal contact piece, the top surface at PCB circuit board is all fixed to negative pole contact piece and anodal contact piece, the top surface of PCB circuit board is provided with four welded seats, the both ends symmetry of negative pole contact piece is equipped with the welding foot of four integral types, the weld groove has been seted up to the inside of welded seat, and the welding foot can get into the inside of weld groove from one side of welded seat, the inside of weld groove is provided with the arc piece, just the arc draw-in groove with arc piece looks adaptation is seted up on the bottom surface of welding foot.

Preferably, the surface of the negative contact piece is provided with four integrated elastic contact pins, the elastic contact pins are positioned on one side of the welding pins, the surface of each elastic contact pin is uniformly provided with a plurality of integrated anti-slip strips, and the top end of each elastic contact pin is provided with an integrated circular bulge.

Preferably, the arc-shaped sheet is a metal component, and the top end of the arc-shaped sheet is a smooth curved surface.

Preferably, the surface of one side of the positive contact piece is uniformly provided with three integrated triangular supporting plates, and the bottom ends of the three supporting plates are attached to the PCB.

Preferably, the top of the positive contact piece is provided with an integrated clamping piece, and the clamping piece is positioned at the top of the negative contact piece.

Preferably, the bottom end of the positive contact piece is symmetrically provided with two integrated connecting pins, and the bottom ends of the connecting pins are positioned on the bottom surface of the PCB.

Preferably, both ends of the positive contact piece are arc-shaped, and one end of the PCB circuit board is provided with a reserved mounting hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through set up the weld groove in that the weld seat is inside, and set up the arc piece in weld groove inside, make the welding foot can be fixed in the inside of weld groove by the arc piece when the welding, thereby make the welding process of welding foot more simple and convenient, avoid former device need the operating personnel to press the welding foot with the hand and just can carry out the welded problem, can improve operating personnel's welding efficiency, simultaneously under the effect of arc piece, can avoid former device to lead to the bad problem emergence of contact between negative pole contact piece and the PCB circuit board because of the welding point fracture.

2. Through setting up the antislip strip on the surface at the elastic contact foot, after button cell is cliied by elastic contact foot and clamping piece, the antislip strip can increase the frictional force between elastic contact foot and the button cell, avoids button cell to appear sliding, and through setting up three gusset plates, can carry out good support to the side at anodal contact piece, avoids operating personnel when installing button cell, because of the too big circumstances emergence that leads to the anodal contact piece to appear buckling of thrust.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the negative contact piece and the welding seat in a top view;

FIG. 4 is a schematic diagram of a side view and sectional structure of the negative contact piece and the welding seat of the present invention;

FIG. 5 is a schematic view of the internal cross-sectional structure of the welding seat of the present invention;

in the figure: 1. a PCB circuit board; 2. a clip; 3. welding a base; 4. anti-slip strips; 5. an elastic contact pin; 6. welding a pin; 7. a negative contact piece; 8. a positive electrode contact piece; 9. a three gusset plate; 10. connecting pins; 11. welding a groove; 12. an arc-shaped sheet; 13. an arc-shaped clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 5, the present invention provides a technical solution: an anti-skid contact piece comprises a PCB (printed circuit board) 1, a negative contact piece 7 and a positive contact piece 8, wherein the negative contact piece 7 and the positive contact piece 8 are fixed on the top surface of the PCB 1, four welding seats 3 are arranged on the top surface of the PCB 1, four integrated welding pins 6 are symmetrically arranged at two ends of the negative contact piece 7, a welding groove 11 is formed in each welding seat 3, each welding pin 6 can enter the welding groove 11 from one side of each welding seat 3, an arc-shaped sheet 12 is arranged in each welding groove 11, an arc-shaped clamping groove 13 matched with the arc-shaped sheet 12 is formed in the bottom surface of each welding pin 6, so that each welding pin 6 can be fixed in each welding groove 11 by the arc-shaped sheet 12 during welding, the welding process of each welding pin 6 is simpler and more convenient, the problem that an original device can be welded only by pressing the welding pin 6 with hands by an operator is avoided, and the welding efficiency of the operator can be improved, meanwhile, the problem of poor contact between the negative contact piece 7 and the PCB 1 caused by cracking of a welding point of the original device can be avoided under the action of the arc-shaped piece 12.

In this embodiment, preferably, the arc-shaped piece 12 is a metal member, so that the arc-shaped piece 12 has a conductive characteristic, and the top end of the arc-shaped piece 12 is a smooth curved surface, so that the soldering terminal 6 is easily pushed into the soldering nest 11.

In this embodiment, preferably, the integrated clip 2 is disposed on the top of the positive contact piece 8, and the clip 2 is disposed on the top of the negative contact piece 7, so that the button battery can be installed between the clip 2 and the elastic contact pin 5, thereby smoothly supplying power to the PCB 1.

In this embodiment, preferably, two integrated connecting pins 10 are symmetrically disposed at the bottom end of the positive contact piece 8, and the bottom end of the connecting pin 10 is located on the bottom surface of the PCB 1, so that the positive contact piece 8 can be welded and fixed on the surface of the PCB 1 through the connecting pin 10.

Example 2

In this embodiment, preferably, the surface of the negative contact piece 7 is provided with the elastic contact pins 5 of four integral types, and the elastic contact pins 5 are located on one side of the welding pins 6, the surface of the elastic contact pins 5 is uniformly provided with the antislip strips 4 of a plurality of integral types, the top end of the elastic contact pins 5 is provided with the circular protrusion of the integral type, the friction force between the elastic contact pins 5 and the button cell can be increased by arranging the antislip strips 4, and the button cell is prevented from sliding.

In this embodiment, preferably, three integrated triangular supports 9 are uniformly arranged on one side surface of the positive contact piece 8, and the bottom ends of the triangular supports 9 are attached to the PCB 1, so that the side surface of the positive contact piece 8 can be well supported under the action of the triangular supports 9.

The utility model discloses a theory of operation and use flow: when the contact piece is used, only the negative contact piece 7 and the positive contact piece 8 are fixed on the surface of the PCB 1, then the button battery is arranged between the negative contact piece 7 and the positive contact piece 8, and the button battery is clamped by the elastic contact pin 5 and the clamping piece 2, so that the button battery can be electrified to the inside of the PCB 1 through the negative contact piece 7 and the positive contact piece 8, and the automobile remote control key can be normally used;

when the negative contact piece 7 needs to be welded and fixed on the surface of the PCB 1, the welding pin 6 is only required to be pushed into the welding groove 11 from one side of the welding seat 3, and the welding pin 6 can be contacted with the arc-shaped piece 12 when being pushed, and the arc-shaped piece 12 is extruded, so that the arc-shaped piece 12 can be smoothly clamped into the arc-shaped clamping groove 13 on the bottom surface of the welding pin 6, thereby the welding pin 6 can be fixed inside the welding groove 11, and at the moment, the arc-shaped piece 12 can be tightly attached to the welding pin 6, and the welding pin 6 is tightly attached to the welding seat 3, and then the edge of the welding groove 11 is welded and packaged, thereby the fixation of the negative contact piece 7 can be completed, the welding pin 6 can be fixed inside the welding groove 11 by the arc-shaped piece 12 when being welded, thereby the welding process of the welding pin 6 is simpler and more convenient, and the problem that the original device can be welded only by pressing the welding pin, the welding efficiency of operators can be improved, and meanwhile, under the action of the arc-shaped sheet 12, even if the welding point between the welding pin 6 and the welding seat 3 cracks due to external force, the welding pin 6 can still be fixed inside the welding groove 11 by the arc-shaped sheet 12 and constantly keeps fit with the welding seat 3, so that the problem of poor contact between the cathode contact sheet 7 and the PCB 1 due to cracking of the welding point of the original device is avoided;

through setting up antislip strip 4 on the surface at elastic contact foot 5, after button cell is cliied by elastic contact foot 5 and clamping piece 2, antislip strip 4 can increase the frictional force between elastic contact foot 5 and the button cell, avoid button cell to appear sliding, when operating personnel push button cell between elastic contact foot 5 and the clamping piece 2, button cell can receive stopping of anodal contact piece 8, if operating personnel continues to promote button cell this moment, then can lead to anodal contact piece 8 to appear the condition emergence of buckling because of button cell's extrusion, and through setting up three gusset plate 9 in one side of anodal contact piece 8, can carry out good support to anodal contact piece 8 under triangular support plate 9's effect, can stop the emergence of this kind of problem, make anodal contact piece 8 more firm.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an antiskid type contact piece, includes PCB circuit board (1), negative pole contact piece (7) and anodal contact piece (8), the top surface at PCB circuit board (1) is all fixed in negative pole contact piece (7) and anodal contact piece (8), the top surface of PCB circuit board (1) is provided with four welding seats (3), the both ends symmetry of negative pole contact piece (7) is equipped with welding foot (6) of four integral types, its characterized in that: welding groove (11) have been seted up to the inside of welding seat (3), and welding foot (6) can get into the inside of welding groove (11) from one side of welding seat (3), the inside of welding groove (11) is provided with arc piece (12), just arc draw-in groove (13) with arc piece (12) looks adaptation are seted up on the bottom surface of welding foot (6).

2. An anti-slip contact strip according to claim 1, characterized in that: the surface of the negative electrode contact piece (7) is provided with four integrated elastic contact pins (5), the elastic contact pins (5) are located on one side of the welding pins (6), the surface of each elastic contact pin (5) is uniformly provided with a plurality of integrated anti-slip strips (4), and the top end of each elastic contact pin (5) is provided with an integrated circular bulge.

3. An anti-slip contact strip according to claim 1, characterized in that: the arc-shaped sheet (12) is a metal component, and the top end of the arc-shaped sheet (12) is a smooth curved surface.

4. An anti-slip contact strip according to claim 1, characterized in that: the surface of one side of anodal contact piece (8) evenly is equipped with the triangular supports board (9) of three integral types, and the bottom and the PCB circuit board (1) of three gusset boards (9) are laminated mutually.

5. An anti-slip contact strip according to claim 1, characterized in that: the top of the positive contact piece (8) is provided with an integrated clamping piece (2), and the clamping piece (2) is positioned at the top of the negative contact piece (7).

6. An anti-slip contact strip according to claim 1, characterized in that: the bottom end of the positive contact piece (8) is symmetrically provided with two integrated connecting pins (10), and the bottom ends of the connecting pins (10) are positioned on the bottom surface of the PCB (1).

7. An anti-slip contact strip according to claim 1, characterized in that: the two ends of the positive contact piece (8) are arc-shaped, and a reserved mounting hole is formed in one end of the PCB (1).