CN212114090U

CN212114090U - Improved structure of square needle terminal connector

Info

Publication number: CN212114090U
Application number: CN202021226602.6U
Authority: CN
Inventors: 陈朝东; 陈钦
Original assignee: Dongguan Juyao Electronic Co ltd
Current assignee: Dongguan Juyao Electronic Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2020-12-08
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses an improvement structure of four directions needle terminal connector, including plastics gluey seat, many long terminals, many short terminals and PCB board, be equipped with a plurality of terminal holes on the plastics gluey seat, a plurality of the terminal hole is the array and arranges, the terminal hole is four directions body form, many long terminals and a plurality of the short terminal peg graft with a plurality of terminal holes respectively, a plurality of long terminals all are located a plurality of short terminal tops, plastics gluey seat, many long terminals, many short terminals all set up the top at the PCB board, one side of plastics gluey seat is passed through the grounding strip and is welded with the PCB board, many long terminals and a plurality of the short terminal are located the opposite side of plastics gluey seat, wherein, a plurality of short terminal are located the one end and the PCB board welding of being close to plastics gluey seat, and a plurality of long terminal are located the one end and the PCB board welding of keeping away from plastics gluey seat; the utility model provides the high stability of being connected of terminal and PCB board increases the life of four directions terminal connector.

Description

Improved structure of square needle terminal connector

Technical Field

The utility model relates to a terminal connector technical field specifically is an improvement structure of four directions needle terminal connector.

Background

In recent years, with the improvement of the technological level, various electronic products have been developed, and the requirement for stability of internal components of the electronic products has been increasing. In order to reduce the size of various electronic products, the electronic components on the circuit board of the electronic products are required to be miniaturized and precise, and the overall structural strength and connection stability are also required to be enhanced, so as to adapt to the development trend of the current electronic products.

The plug power between most square needle terminal among the prior art and the plastic body is not enough, and high temperature is that the plastic body drops with the terminal easily, and just only square needle terminal welds with the PCB board, and relative part connector needs regular plug, and the pulling force that produces during the plug can drive plastics rubber base and square needle terminal, and long-time many times plug can make the relation of connection between square needle terminal and the PCB board not hard up, breaks away from the connection even. Therefore, an improved structure of the four-pin terminal connector is developed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improvement structure of four directions needle terminal connector has solved the problem among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an improvement structure of four directions needle terminal connector, includes that plastics glue seat, many long terminals, many short terminals and PCB board, be equipped with a plurality of terminal holes on the plastics glue seat, it is a plurality of the terminal hole is the array and arranges, the terminal hole is four directions body form, many long terminals and a plurality of short terminals peg graft with a plurality of terminal holes respectively, and is a plurality of long terminals all is located a plurality of short terminal tops, plastics glue seat, many long terminals, many short terminals all set up the top at the PCB board, one side of plastics glue seat is passed through grounding strip and PCB board welding, many long terminals and a plurality of short terminals are located the opposite side of plastics glue seat, and wherein, a plurality of short terminals are located the one end and the PCB board welding of being close to plastics glue seat, and a plurality of long terminals are located the one end and the PCB board welding of keeping away from plastics glue seat.

Preferably, the short terminal is divided into a first branch part, a second branch part and a third branch part, the first branch part is connected with the terminal hole in an inserting mode, the first branch part is vertically connected with one end of the second branch part, the other end of the second branch part is vertically connected with the third branch part, the third branch part extends towards the outer side, and the bottom of the third branch part is welded with the PCB.

Preferably, one side of the upper end of the first branch part, which is close to the second branch part, is provided with a first boss, the first boss is wavy, and the first boss is inserted into the terminal hole and is in interference fit with the terminal hole.

Preferably, the short terminal is divided into a fourth branch portion, a fifth branch portion and a sixth branch portion, the fourth branch portion is connected with the terminal hole in an inserting mode, the fourth branch portion is connected with one end of the fifth branch portion, the other end of the fifth branch portion is connected with the sixth branch portion, the sixth branch portion extends towards the outer side, the included angle between the fourth branch portion and the fifth branch portion and the included angle between the fifth branch portion and the sixth branch portion are 120 degrees, and the bottom of the sixth branch portion is welded with the PCB.

Preferably, a second boss is arranged on one side, close to the fifth branch part, of the upper end of the fourth branch part, the second boss is wavy, and an end hole and a terminal hole are in interference fit with each other through the second boss.

Preferably, the plastic rubber base is formed by injection molding of LCP or PA66 material.

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

1. the utility model increases the insertion and extraction force between the long terminal, the short terminal and the plastic rubber base by arranging the first boss and the second boss, so that the connection between the long terminal, the short terminal and the plastic rubber base is more firm;

2. the utility model discloses a set up the grounding piece, the welding of cooperation long terminal, short terminal and PCB board, front and back welded fastening makes terminal, plastics rubber seat be connected more firm with the PCB board, is difficult for droing during the line terminal plug, has effectively increased the life of terminal connector.

Drawings

Fig. 1 is a side view of the present invention;

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

fig. 3 is a partial exploded view of the present invention;

fig. 4 is a schematic view of the long terminal of the present invention;

fig. 5 is a schematic view of the short terminal of the present invention.

The reference numerals and names in the figures are as follows:

1. a plastic rubber base; 2. a long terminal; 3. a short terminal; 4. a PCB board; 5. a terminal hole; 6. a ground plate; 7. a first branch portion; 8. a second branch portion; 9. a third branch portion; 10. a first boss; 11. a fourth branch portion; 12. a fifth branch portion; 13. a sixth branch portion; 14. a second boss.

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.

Referring to fig. 1 to 5, the present invention provides an embodiment: an improved structure of a four-pin terminal connector comprises a plastic rubber base 1, a plurality of long terminals 2, a plurality of short terminals 3 and a PCB 4, the plastic rubber base 1 is provided with a plurality of terminal holes 5, the terminal holes 5 are arranged in an array, the terminal holes 5 are square, a plurality of long terminals 2 and a plurality of short terminals 3 are respectively inserted into the terminal holes 5, the plurality of long terminals 2 are all positioned above the plurality of short terminals 3, the plastic rubber seat 1, the plurality of long terminals 2 and the plurality of short terminals 3 are all arranged above the PCB 4, one side of the plastic rubber seat 1 is welded with a PCB 4 through a grounding sheet 6, a plurality of long terminals 2 and a plurality of short terminals 3 are positioned at the other side of the plastic rubber seat 1, wherein, a plurality of short terminal 3 are located the one end and the 4 welding of PCB board of gluing seat 1 near plastics, and a plurality of long terminal 2 are located the one end and the 4 welding of PCB board of keeping away from plastics gluing seat 1.

Wherein, the one end that long terminal 2 or short terminal 3 were kept away from to plastics rubber base 1 is the plug wire end of four directions needle terminal connector, and the line end can produce a thrust or pulling force to plastics rubber base 1 when inserting or extracting, and no matter be thrust or pulling force, long terminal 2 and short terminal 3 can influence its fastness to connection with the unilateral atress of the tie point of PCB board 4.

Set up grounding piece 6, make it become the first stress point when inserting or extracting, the tie point atress of long terminal 2 and short terminal 3 and PCB board 4 reduces, effectively improves the fastness of tie point.

Preferably, the short terminal 3 is divided into a first branch portion 7, a second branch portion 8 and a third branch portion 9, the first branch portion 7 is inserted into the terminal hole 5, one end of the first branch portion 7 and one end of the second branch portion 8 are perpendicularly connected, the other end of the second branch portion 8 is perpendicularly connected with the third branch portion 9, the third branch portion 9 extends to the outside, and the bottom of the third branch portion 9 is welded to the PCB 4.

Preferably, a first boss 10 is arranged on one side of the upper end of the first branch part 7 close to the second branch part 8, the first boss 10 is wavy, and the first boss 10 is inserted into the terminal hole 5 to be in interference fit with the terminal hole 5.

Preferably, the short terminal 3 is divided into a fourth branch portion 11, a fifth branch portion 12 and a sixth branch portion 13, the fourth branch portion 11 is inserted into the terminal hole 5, the fourth branch portion 11 is connected with one end of the fifth branch portion 12, the other end of the fifth branch portion 12 is connected with the sixth branch portion 13, the sixth branch portion 13 extends to the outside, the included angle between the fourth branch portion 11 and the fifth branch portion 12 and the included angle between the fifth branch portion 12 and the sixth branch portion 13 are 120 °, and the bottom of the sixth branch portion 13 is welded to the PCB board 4.

Preferably, a second boss 14 is disposed on one side of the upper end of the fourth branch portion 11 close to the fifth branch portion 12, the second boss 14 is wavy, and the second boss 14 is inserted into the terminal hole 5 and is in interference fit with the terminal hole 5.

Wherein, the terminal surface of long terminal 2 or short terminal 3 is comparatively level and smooth, and when the connector during operation, the terminal hole 5 of plastic rubber seat 1 can be melted to the heat that the terminal sent, produces the clearance between terminal hole 5 and the terminal, drops easily promptly, sets up first boss 10 and second boss 14, makes first boss 10 and second boss 14 and terminal hole 5 interference fit, even the connector during operation terminal produces high temperature, can not produce the clearance between terminal and the terminal hole 5 yet.

And long terminal 2 and short terminal 3 all through inseparable mould stamping forming, reach the roughness of design requirement easily.

Preferably, the plastic rubber base 1 is injection molded by LCP or PA66 material.

The utility model discloses simple structure has improved the connection stability of terminal and plastic main part 1 and plastic main part and PCB board 4 simultaneously, increases the life of four directions terminal connector.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An improved structure of a four-pin terminal connector is characterized in that: the plastic rubber seat comprises a plastic rubber seat (1), a plurality of long terminals (2), a plurality of short terminals (3) and a PCB (4), wherein the plastic rubber seat (1) is provided with a plurality of terminal holes (5), the terminal holes (5) are arranged in an array, the terminal holes (5) are in a tetragonal shape, the long terminals (2) and the short terminals (3) are respectively spliced with the terminal holes (5), the long terminals (2) are arranged above the short terminals (3), the plastic rubber seat (1), the long terminals (2) and the short terminals (3) are arranged above the PCB (4), one side of the plastic rubber seat (1) is welded with the PCB (4) through a grounding sheet (6), the long terminals (2) and the short terminals (3) are arranged at the other side of the plastic rubber seat (1), the short terminals (3) are welded with the PCB (4) at one end close to the plastic rubber seat (1), the long terminals (2) are positioned at one end far away from the plastic rubber base (1) and welded with the PCB (4).

2. The improved structure of a quad pin terminal connector as claimed in claim 1, wherein: short terminal (3) divide into first branch portion (7), second branch portion (8) and third branch portion (9), first branch portion (7) are pegged graft with terminal hole (5), and first branch portion (7) are connected perpendicularly with the one end of second branch portion (8), and the other end and the third of second branch portion (8) are connected perpendicularly, and third branch portion (9) extend to the outside, the bottom and PCB board (4) welding of third branch portion (9).

3. The improved structure of a quad pin terminal connector as claimed in claim 2, wherein: one side that first portion (7) upper end is close to second portion (8) is provided with first boss (10), first boss (10) are wavy, and this first boss (10) insert terminal hole (5) and terminal hole (5) interference fit.

4. The improved structure of a quad pin terminal connector as claimed in claim 1, wherein: short terminal (3) divide into fourth branch portion (11), fifth branch portion (12) and sixth branch portion (13), fourth branch portion (11) are pegged graft with terminal hole (5), and fourth branch portion (11) are connected with the one end of fifth branch portion (12), and the other end and the sixth branch portion (13) of fifth branch portion (12) are connected, and sixth branch portion (13) extend to the outside, and the contained angle of fourth branch portion (11) and fifth branch portion (12), the contained angle of fifth branch portion (12) and sixth branch portion (13) are 120, the bottom and the welding of PCB board (4) of sixth branch portion (13).

5. The improved structure of a quad pin terminal connector as claimed in claim 4, wherein: one side that fourth branch portion (11) upper end is close to fifth branch portion (12) is provided with second boss (14), second boss (14) are wavy, and this second boss (14) insert terminal hole (5) and terminal hole (5) interference fit.

6. The improved structure of a quad pin terminal connector as claimed in claim 1, wherein: the plastic rubber base (1) is formed by injection molding of LCP or PA66 material.