CN220172413U

CN220172413U - High-retention row needle

Info

Publication number: CN220172413U
Application number: CN202321450581.XU
Authority: CN
Inventors: 权蕾; 孙梦科
Original assignee: Dongguan Taikang Electronics Technology Co ltd
Current assignee: Dongguan Taikang Electronics Technology Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-12-12
Anticipated expiration: 2033-06-08

Abstract

The utility model discloses a high-retention pin header, which relates to the technical field of pin header connectors and comprises a socket, a wide terminal and a narrow terminal, wherein the socket is provided with an inserting hole for interference fit of the wide terminal and the narrow terminal, the size of a clamping structure at the narrow side of the terminal can be increased through a plurality of clamping points integrally arranged on the narrow side of the wide terminal and the narrow terminal from top to bottom, so that the retention force between the terminal and the socket is improved, loosening is not easy to occur; the spacing cap and the spacing barb that stop lever both ends portion integration set up can avoid the stop lever to take place not hard up.

Description

High-retention row needle

Technical Field

The utility model relates to the technical field of pin header connectors, in particular to a high-retention pin header.

Background

The pin header connector is a common electronic element connector, has the characteristics of regular arrangement, high reliability and the like, and is widely applied to the fields of electronic equipment manufacturing, communication, electric power, automobiles and the like. The pin header connector mainly comprises a plug and a socket, wherein the plug is generally made of a metal material and is provided with a row of needle-shaped conductors which correspond to holes in the socket, the socket is generally made of a plastic material, a row of holes which correspond to conductors in the plug are arranged on the socket, and the holes in the socket correspond to the conductors in the plug one by one to form electrical connection.

According to the prior art, the terminal is in interference fit with the body, and the terminal is forced into the body. Because the body adopts high-temperature-resistant fiber-added plastic materials (LCP, PPA and the like), the hardness is high, and the body is easy to crack in the process of strongly pressing the terminal into the body. Moreover, the interference of the terminal and the body is small, and the holding force of the body and the terminal is small. After the PCB board is welded to the terminal, the body receives outside pulling force effect, breaks away from with the terminal easily, in order to improve above-mentioned problem, through retrieving, patent application number 202220931067.7 has proposed the assembly structure of terminal and body, and when terminal spacing groove and the spacing stuck point cooperation of terminal were in place, cantilever and barb cooperation were in place, do benefit to terminal and body complex stability.

However, the snap-point and convex hull dimensions of the prior art similar to the above disclosed terminal structure are relatively narrow, the retention force is poor, and in addition, it is difficult to maintain the relative stability between the terminal and the socket by means of only the interference fit between the terminal and the socket, so a high retention force pin header is proposed to improve the above problems.

Disclosure of Invention

The present utility model is directed to a high retention pin header to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high holding power row needle, includes socket, wide terminal and narrow terminal, be provided with on the socket and supply wide terminal and narrow terminal interference fit's jack:

the narrow sides of the wide terminal and the narrow terminal are integrally provided with a plurality of clamping points from top to bottom, and the hole wall of the jack is provided with a clamping groove matched with the clamping points;

the wide sides of the wide terminal and the narrow terminal are uniformly provided with square convex hulls, and the hole wall of the jack is provided with square grooves matched with the square convex hulls;

an auxiliary limiting structure is arranged between the wide terminal and the socket.

Preferably, the auxiliary limiting structure comprises a limiting rod, and a first limiting hole and a second limiting hole which are respectively arranged on the socket and the wide terminal; and the first limiting hole and the limiting Kong Erjun are matched with the limiting rod.

Preferably, one end of the limiting rod is integrally provided with a limiting cap; the other end of the limiting rod is integrally provided with a limiting barb.

Preferably, one side end of the socket is provided with a first limit groove matched with the limit cap; and the other opposite side end of the socket is provided with a second limiting groove matched with the limiting barb.

Preferably, the second limiting hole is arranged at the position of the square convex hull.

Preferably, the lower ends of the wide terminal and the narrow terminal are provided with chamfer I; and a chamfer II is arranged at the empty port of the jack.

Preferably, the stuck point is at least four.

In summary, the utility model has the technical effects and advantages that:

1. according to the utility model, the sizes of the clamping structures at the narrow sides of the terminals can be increased through the plurality of clamping points integrally arranged from top to bottom at the narrow sides of the wide terminals and the narrow terminals, so that the holding force between the terminals and the sockets is improved, looseness is not easy to occur, and in addition, the square convex hulls are arranged to improve the strength of the terminals and the holding force between the terminals and the sockets.

2. According to the utility model, the wide terminal and the socket can be relatively and stably fixed through the limiting rod, so that the holding force between the terminal and the socket is further improved, wherein the second limiting hole is arranged at the position of the square convex hull, and the strength reduced by the second pair of wide terminals with the limiting holes can be compensated to a certain extent by the square convex hull; the spacing cap and the spacing barb that stop lever both ends portion integration set up can avoid the stop lever to take place not hard up.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the whole structure in the present embodiment;

fig. 2 is a schematic diagram of a split structure in the present embodiment;

fig. 3 is a schematic structural view of the wide terminal in the present embodiment;

FIG. 4 is a schematic view of a partial cross-sectional structure in the present embodiment;

fig. 5 is a schematic view of the structure of the limit barbs in this embodiment.

In the figure: 1. a socket; 2. a wide terminal; 3. a narrow terminal; 4. a jack; 5. a stuck point; 6. square convex hulls; 7. chamfering I; 8. chamfering II; 9. a limiting hole II; 10. a first limiting hole; 11. a first limit groove; 12. a limiting groove II; 13. a limit rod; 14. a limit cap; 15. and a limit barb.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: 1-5, the high-retention pin header comprises a socket 1, a wide terminal 2 and a narrow terminal 3, wherein a jack 4 for interference fit of the wide terminal 2 and the narrow terminal 3 is arranged on the socket 1, and chamfer angles 7 are arranged at the lower ends of the wide terminal 2 and the narrow terminal 3; and a chamfer II 8 is arranged at the empty port of the jack 4, so that the plugging operation is convenient.

The narrow sides of the wide terminal 2 and the narrow terminal 3 are integrally provided with a plurality of clamping points 5 from top to bottom, the hole wall of the jack 4 is provided with clamping grooves matched with the clamping points 5, the number of the clamping points 5 is at least four, the size of a clamping structure of the narrow side of the terminal is increased, and therefore the holding force between the terminal and the socket 1 is improved, and looseness is not easy to occur.

The broad sides of the broad terminals 2 and the narrow terminals 3 are uniformly provided with square convex hulls 6, the hole walls of the jacks 4 are provided with square grooves matched with the square convex hulls 6, and the arrangement of the square convex hulls 6 can improve the strength of the terminals and improve the retention force between the terminals and the socket 1.

Since the width of the wide terminal 2 is larger than that of the narrow terminal 3, an auxiliary limiting structure is arranged between the wide terminal 2 and the socket 1, and specifically comprises a limiting rod 13, and a first limiting hole 10 and a second limiting hole 9 which are respectively arranged on the socket 1 and the wide terminal 2; the first limiting hole 10 and the second limiting hole 9 are matched with the limiting rod 13, the limiting rod 13 can fix the wide terminal 2 and the socket 1 relatively stably, and accordingly the retention force between the terminal and the socket 1 is further improved, the second limiting hole 9 is arranged at the position of the square convex hull 6, and the square convex hull 6 can compensate the strength of the second limiting hole 9 on the wide terminal 2 to a certain extent.

In order to avoid loosening of the limiting rod 13, one end of the limiting rod 13 is integrally provided with a limiting cap 14; the other end of the limit rod 13 is integrally provided with a limit barb 15.

Wherein, one side end of the socket 1 is provided with a first limit groove 11 which is matched with the limit cap 14; the other opposite side end of the socket 1 is provided with a second limiting groove 12 which is matched with the limiting barb 15, so that the socket is more attractive.

The working principle of the utility model is as follows: the plurality of clamping points 5 which are integrally arranged from top to bottom on the narrow sides of the wide terminal 2 and the narrow terminal 3 can increase the size of a clamping structure on the narrow side of the terminal, so that the holding force between the terminal and the socket 1 is improved, looseness is not easy to occur, and in addition, the square convex hull 6 can improve the holding force between the terminal and the socket 1 while improving the strength of the terminal; the limiting rod 13 can relatively and stably fix the wide terminal 2 and the socket 1, so that the retention force between the terminal and the socket 1 is further improved, wherein the second limiting hole 9 is arranged at the position of the square convex hull 6, and the strength of the second limiting hole 9 on the wide terminal 2 can be reduced to a certain extent by utilizing the square convex hull 6; the limiting cap 14 and the limiting barb 15 which are integrally arranged at the two ends of the limiting rod 13 can prevent the limiting rod 13 from loosening.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a high holding power row needle, includes socket (1), wide terminal (2) and narrow terminal (3), be provided with on socket (1) and supply wide terminal (2) and narrow terminal (3) interference fit's jack (4), its characterized in that:

the narrow sides of the wide terminal (2) and the narrow terminal (3) are integrally provided with a plurality of clamping points (5) from top to bottom, and the hole wall of the jack (4) is provided with clamping grooves matched with the clamping points (5);

the wide sides of the wide terminal (2) and the narrow terminal (3) are uniformly provided with square convex hulls (6), and the hole wall of the jack (4) is provided with square grooves matched with the square convex hulls (6);

an auxiliary limiting structure is arranged between the wide terminal (2) and the socket (1).

2. A high retention pin header according to claim 1, wherein: the auxiliary limiting structure comprises a limiting rod (13), and a first limiting hole (10) and a second limiting hole (9) which are respectively arranged on the socket (1) and the wide terminal (2);

the first limiting hole (10) and the second limiting hole (9) are matched with the limiting rod (13).

3. A high retention pin header according to claim 2, wherein: one end of the limiting rod (13) is integrally provided with a limiting cap (14);

the other end of the limiting rod (13) is integrally provided with a limiting barb (15).

4. A high retention pin header according to claim 3, wherein: one side end of the socket (1) is provided with a first limit groove (11) which is matched with the limit cap (14);

the other opposite side end of the socket (1) is provided with a limiting groove II (12) which is matched with the limiting barb (15).

5. A high retention pin header according to any one of claims 2 to 4, wherein: and the second limiting hole (9) is arranged at the position of the square convex hull (6).

6. A high retention pin header according to claim 1, wherein: the lower ends of the wide terminal (2) and the narrow terminal (3) are respectively provided with a chamfer I (7);

and a chamfer II (8) is arranged at the empty port of the jack (4).

7. A high retention pin header according to claim 1, wherein: the number of the clamping points (5) is at least four.