TWI725749B - Transmission conductor holding structure of electric connector - Google Patents

Abstract

The present invention relates to a transmission conductor holding structure of an electrical connector. The main structure includes a female socket gel, a plurality of female socket terminals, two female socket holding structures located on opposite sides of the female socket terminals, and two parts defined on the female socket holding structure End plate part, two end buckle arms formed by bending at one side of the end plate part, four bending parts formed at the side plate part at the opposite end of the end plate part, four splint parts adjacent to the female terminal side, and four end splint parts An extended protruding leg part, four locking arms formed on one side of the splint part, four engaging parts protrudingly formed on the locking arm, and four limiting holes formed on the rubber body of the female seat. Through the end plate part, side plate part, end buckle arm, splint part, and locking arm from multiple faces of the female socket colloid, the female socket holding structure is surely fixed, and the protruding leg is inserted into the limiting hole to prevent the male head When the connector is unplugged, the retaining structure of the female seat and the colloid of the female seat become loose or separated.

Description

Transmission conductor holding structure of electric connector

The present invention is to provide a transmission conductor holding structure of an electrical connector, especially a transmission conductor holding structure of an electrical connector that has good bonding strength to colloids, strong male and female butt joints, and is not easy to loosen and damage during separation.

Press, the board-to-board connector is used to connect different circuit boards, and has a socket connector and a plug connector to be installed on different circuit boards respectively, so that the circuit boards are connected to each other. The retaining structure at both ends of the socket connector, in addition to providing a certain degree of protection effect of the insulating colloid, is mainly to strengthen the locking effect of the plug connector, so as to maintain the mating state between the plug connector and the socket connector. purpose.

On mobile devices such as smart phones, the size of the board-to-board connector assembly is very small, resulting in a decrease in the structural strength and life of each connector, and the connection between the plug connector and the socket connector is usually not after mating. Then disassemble and separate, and when the user wants to unplug the plug connector, he applies force to the side wall of the plug connector or directly pulls the circuit board, regardless of whether the user applies force in the opposite direction of the plug connector or Shaking up the plug connector from side to side, each disassembly and separation action increases the risk of damage to the board-to-board connector, so the above-mentioned holding structure can effectively increase the service life of the board-to-board connector.

However, when the above-mentioned board-to-board connector holding structure is used, there are the following problems and deficiencies that need to be improved:

First, the bonding strength between the holding structure and the insulating colloid is insufficient, which may cause the holding structure and the insulating colloid to loosen when the plug connector is disassembled and separated.

Second, the stronger the holding structure helps the male and female butt strength, the higher the possibility that the holding structure of the socket connector will be pulled out when the plug connector is disassembled and separated, and it is difficult to obtain the bond strength and the butt strength. balance.

Therefore, how to solve the above-mentioned conventional problems and deficiencies is the direction that the creators of the present invention and related manufacturers engaged in this industry urgently want to study and improve.

Therefore, in view of the above-mentioned deficiencies, the creator of the present invention collected relevant information, evaluated and considered from many parties, and based on years of experience in this industry, through continuous trials and modifications, he designed this kind of binding strength to the colloid. Good, strong stability of the male and female butt, and the patent of the invention patent of the transmission conductor holding structure of the electrical connector that is not easy to loose and damage during separation.

The main purpose of the present invention is to change the shape of the female holder holding structure so that it can fix the colloid of the female holder from multiple directions, and use the plug-in relationship between the protruding feet and the limit holes to prevent the female connector from being removed when the male connector is removed. Loosening of the seat holding structure.

In order to achieve the above objective, the electrical connector of the present invention is a board-to-board connector (Borad To Board, BTB connector), the electrical connector mainly includes: a female socket rubber body, the female socket rubber body is arranged side by side with a plurality of A female terminal, and two female holding structures located on opposite sides of the female terminal are provided on the female plastic body, each of the female holding structures is respectively defined with one end plate portion, and one side of each end plate portion is respectively bent An end buckle arm is formed, the opposite ends of each end plate part are respectively bent to form a side plate part, and each side plate part is respectively bent to form a splint part adjacent to the side of the female terminal, and the end of each splint part is in the bending direction A protruding leg portion is formed at each position, and a locking arm extending in the direction of the end plate portion is formed on each side of each splint portion different from the protruding leg portion, and an engaging portion protruding from each locking arm In addition, a plurality of limiting holes located in the arrangement direction of the female socket terminals are formed on the female socket rubber body for combining the protruding legs.

The female holder holding structure of the present invention is covered and fixed from the outer side of the female holder gel through the end plate and side plate parts, and cooperates with the clamping action of the splint to make the end buckle arm and the locking arm resist and fix from the inner side of the female rubber body , Thereby making the female holder holding structure from multiple faces of the female holder colloid to strengthen the bonding strength of the female holder holding structure and the colloid of the female holder. When the male connector is inserted, it is tightly fixed by the engaging part to stabilize the male and female. The butt strength is inserted into the limit hole with the protruding feet to prevent the female holder from loosening or separating the female holder's holding structure and the colloid when the male connector is pulled out, thereby taking into account the bonding strength and the butt strength.

With the above technology, it is possible to overcome the insufficient bonding strength between the holding structure and the insulating colloid in the holding structure of the conventional board-to-board connector, and the difficulty in achieving a balance between the bonding strength and the butt strength, and achieve the above advantages The practical progress.

100: electrical connector

1: Female seat colloid

11: accommodating slot

12: inner end face

121: card slot

13: side end face

14: Outer side

15: upper surface

16: limit hole

17: Limit bump

2: Female terminal

3: Female seat holding structure

31: End plate

32: End buckle arm

321: first card hook

33: side panel

331: limit foot

332: Second Card Hook

34: Splint

35: Protruding feet

36: Locking arm

361: Snap

4: Male connector

41: male colloid

42: Male terminal

43: Male head holding structure

The first figure is a perspective view of a preferred embodiment of the present invention.

The second figure is a cross-sectional view taken along the line A-A of the first figure of the preferred embodiment of the present invention.

The third figure is a side view of the preferred embodiment of the present invention.

The fourth figure is an exploded view of the preferred embodiment of the present invention.

The fifth figure is a top view of the female base colloid of the preferred embodiment of the present invention.

The sixth figure is a three-dimensional view of the female holder holding structure of the preferred embodiment of the present invention.

The seventh figure is a diagram of the male and female docking action of the preferred embodiment of the present invention.

The eighth figure is a schematic diagram of the male and female docking in the preferred embodiment of the present invention.

The ninth figure is a drawing diagram of a preferred embodiment of the present invention.

In order to achieve the above-mentioned purposes and effects, the technical means and structure adopted by the present invention are illustrated below in detail to illustrate the characteristics and functions of the preferred embodiments of the present invention, so as to fully understand.

Please refer to the first to ninth figures, which are the perspective view to the drawing schematic diagram of the preferred embodiment of the present invention. From the figures, it can be clearly seen that the electrical connector 100 of the present invention is a board-to-board connector (Borad To Board, BTB connector), the electrical connector 100 mainly includes:

A female plastic body 1, the female plastic body 1 is respectively formed with a receiving groove 11 at two different ends of the arrangement direction of the female terminal 2 described below, and each of the receiving grooves 11 includes an inner end surface 12, and two are formed at The side end surfaces 13 and two on both sides of the inner end surface 12 are respectively defined on the outer side surface 14 of the accommodating groove 11 away from each of the side end surfaces 13 and a formed on the inner end surface 12, the side end surface 13 and the outer side surface 14 The upper surface 15 on the same side;

A plurality of female socket terminals 2 arranged side by side on the female socket colloid 1;

Two female holder holding structures 3 arranged on the female colloid 1 and located on opposite sides of the female terminal 2;

Two end plate portions 31 respectively defined on each of the female holder holding structures 3, the end plate portions 31 are provided on the upper surface 15;

Two end buckle arms 32 respectively bent and formed on one side of each end plate portion 31, and the end buckle arms 32 are located on the inner end surface 12; Four are respectively bent and formed on the side plate portions 33 at opposite ends of each of the end plate portions 31, and the side plate portion 33 is provided on the outer side surface 14; four are respectively bent and formed on each of the side plate portions 33 and are adjacent to the female terminal 2 One side of the splint portion 34, the splint portion 34 is sandwiched between the side end surface 13 and the outer side surface 14; four are respectively formed by the protruding leg portions 35 extending from the ends of the splint portion 34 in the bending direction; four are respectively formed On each of the clamping plate portions 34 different from the protruding leg portion 35 on a side of the locking arm 36 extending in the direction of the end plate portion 31, the locking arm 36 is located on the side end surface 13; four protruding portions are formed on each of the locking arms 36 The engaging portion 361 on the arm 36; four limiting holes 16 formed on the female base colloid 1 and located in the arrangement direction of the female terminal 2 for connecting the protruding leg portions 35; one formed on the inner end surface 12 is provided with a groove portion 121 of the end buckle arm 32; at least one first hook portion 321 protrudingly formed on the end buckle arm 32; four limiting protrusions respectively formed on each of the outer sides 14 17. It is correspondingly engaged with the side plate portion 33; four are the limiting feet 331 formed by each of the side plate portions 33 extending downward; four are the limiting feet 331 extending downward from each of the side plate portions 33 and formed at intervals The second hook portion 332 on the side is fixed to the limiting protrusion 17 together with the limiting foot 331.

Through the above description, we can understand the structure of this technology, and according to the corresponding cooperation of this structure, it can achieve the advantages of good bonding strength to the colloid, strong male and female docking stability, and not easy to loosen and damage during separation. The detailed explanation will be described below.

It can be clearly seen from the figure that the electrical connector 100 of the present invention is a female connector of a board-to-board connector. When in use, the female terminal 2 is welded and fixed on the circuit board, so that the accommodating groove of the female rubber 1 11 The opening direction is upwards for the male connector 4 to be integrated into the female terminal 2 and the accommodating groove 11 when the male connector 4 is inserted. The key technology of the present invention lies in the female holding structure 3 on the opposite end of the female colloid 1. The female holder holding structure 3 is made of metal material and has basic anti-collision strength, so it is covered on both ends of the female holder colloid 1 to effectively exert its anti-collision effect.

In addition, the bonding strength of the female base holding structure 3 of the present invention to the female base colloid 1 can be achieved through the end plate portion 31, the side plate portion 33, the end buckle arm 32, the splint portion 34, and the locking arm 36. Reinforce this aspect of resistance. Specifically, the end plate portion 31 is removed from the upper part of the female base colloid 1. The surface 15 is covered and fixed, the side plate part 33 is covered and fixed from the outer side 14 of the female base colloid 1, and the splint part 34 is clamped on the outer side 14 and the side end surface 13 at the same time, and cooperates with the clamping action of the splint part 34. The end buckle arm 32 is resisted and fixed from the inner end surface 12 of the female base colloid 1, and the locking arm 36 is resisted and fixed from the side end surface 13 of the female base colloid 1, thereby making the female holder holding structure 3 separate from the female base colloid 1. To strengthen the bonding strength of the female holder holding structure 3 and the female colloid 1, and the two sides of the accommodating groove 11 adjacent to the side end surface 13 after the combination are locking arms 36, and each locking arm 36 has a locking arm 36 respectively. The portion 361, in this embodiment, the engaging portion 361 is in the shape of a bump, and is used for pressing and fixing when the male connector 4 is plugged and combined. Wherein, the male connector 4 includes a male connector 41, a plurality of male terminals 42 arranged side by side on the male connector 41, and two male terminals 42 arranged on the male connector 41 and located on opposite sides of the male terminal 42 When the male connector 4 is mated with the electrical connector 100, the male holding structure 43 can be accommodated in the accommodating groove 11, and the engaging portion 361 is fixed to the male holding On the structure 43, to strengthen the butt strength of male and female.

Furthermore, one side of the splint part 34 has a downwardly extending protruding leg 35 which is inserted into the limiting hole 16 of the female base colloid 1, and the limiting hole 16 is a hole with a certain depth or penetrates the female base colloid 1 When the protruding leg 35 is inclined, the wall surface of the limiting hole 16 is used to limit the inclination amplitude. Specifically, when the male connector 4 is mated with the electrical connector 100, because the engaging portion 361 is pressed against the male holding structure 43, the user has a relatively high force to pull out the male connector 4 The probability will act on the female holding structure 3, but because the protruding leg 35 is inserted into the limiting hole 16, unless the direction of pulling out the male connector 4 is completely opposite to the direction of its insertion, it will act on the male connector. The force direction on the connector 4, as long as there is a slight deviation, the male connector 4 will tilt, and the force of the male holding structure 43 on the female holding structure 3 is biased towards a certain side, and the protruding foot 35 is inclined, at this time, the wall surface of the limiting hole 16 can be used to block the end of the protruding foot 35 to limit the inclination range, prevent the female holder holding structure 3 and the female colloid 1 from loosening, and thereby lower the male head The pulling-out action of the connector 4 damages the female connector of the electrical connector 100.

Please also refer to the second, third and fifth figures. The bonding strength of the female holder holding structure 3 and the female rubber body 1 can also be improved by strengthening the end buckle arm 32 and the side plate part 33 to the female rubber body 1 Friction to increase. Specifically, the inner end surface 12 of the female base rubber body 1 has a groove portion 121, and the end buckle arm 32 is protrudingly formed with at least one first hook portion 321, so that the end buckle arm 32 can be combined with the groove portion At 121, the first hook portion 321 is used to resist the side wall of the groove portion 121 to increase the bonding strength. In addition, the outer side 14 of the female base colloid 1 has a limiting protrusion 17, and one side of the side plate 33 Extend the limit pin 331 and the second hook portion 332 downwards. The limit pin 331 and the second hook portion 332 are separately placed on both sides of the limit protrusion 17 and fixed together on the limit protrusion 17 and used The second hook portion 332 resists the side wall of the limiting protrusion 17 to increase the bonding strength.

However, the above description is only the preferred embodiments of the present invention, which does not limit the patent scope of the present invention. Therefore, all simple modifications and equivalent structural changes made by using the description and drawings of the present invention should be the same. It is included in the scope of the patent of the present invention, and is hereby stated.

In summary, the transmission conductor holding structure of the electrical connector of the present invention can indeed achieve its effects and purposes when used. Therefore, the present invention is truly an invention with excellent practicability and meets the requirements of an invention patent application. The application is filed in accordance with the law, and we hope that the review committee will approve the invention as soon as possible to ensure the hard work of the creator. If the review committee has any doubts, please feel free to write instructions, and the creator will do our best to cooperate and feel the truth.

3: Female seat holding structure

31: End plate

32: End buckle arm

321: first card hook

33: side panel

331: limit foot

332: Second Card Hook

34: Splint

35: Protruding feet

36: Locking arm

361: Snap

Claims (7)

A transmission conductor holding structure of an electrical connector. The electrical connector is a board-to-board connector (Borad To Board, BTB connector). The electrical connector mainly includes: a female base colloid; The female terminal on the base colloid; two female holder holding structures arranged on the female base colloid and located on opposite sides of the female base terminal; two are respectively defined on the end plate parts of each of the female holder holding structures; two are bent separately Folded and formed on the end buckle arm on one side of each of the end plate parts; four respectively bent and formed on the side plate parts of the different ends of each of the end plate parts; four respectively bent and formed on each of the side plate parts and adjacent to the female terminal The splint portion on the side; four protruding leg portions extending from the end of each splint portion in the bending direction; four respectively formed on the side of each splint portion different from the protruding leg portion and extending in the direction of the end plate portion The locking arm; four respectively protruding formed on the locking part of the locking arm; four formed on the female base colloid and located in the direction of the female base terminal arrangement of the limiting hole, for combining the protruding leg portions . The transmission conductor holding structure of the electrical connector as described in the first item of the scope of patent application, wherein the female base colloid is respectively formed with a receiving groove at two different ends of the terminal arrangement direction of the female base, and each of the receiving grooves It includes an inner end surface, two side end surfaces formed on both sides of the inner end surface, two outer surfaces respectively defined on the accommodating groove away from each of the side end surfaces, and one formed on the inner end surface, the side end surface, and the outer surface The upper surface at the same side, and the end plate portion is provided on the upper surface, the side plate portion is provided on the outer surface, the splint portion is sandwiched between the side end surface and the outer surface, and the locking arm is located on the side On the end surface, the end buckle arm is located on the inner end surface. In the transmission conductor holding structure of the electrical connector as described in item 2 of the scope of patent application, the inner end surface has a slot portion for arranging the end buckle arm. According to the transmission conductor holding structure of the electrical connector described in item 3 of the scope of patent application, at least one first hook portion is protrudingly formed on the end buckle arm. For the transmission conductor holding structure of the electrical connector described in item 2 of the scope of the patent application, each of the outer surfaces is provided with a limiting protrusion, which is correspondingly engaged with the side plate portion. For the transmission conductor holding structure of the electrical connector described in item 5 of the scope of patent application, wherein the side plate portion extends downward to form a limiting leg, and the side plate portion extends downward with a space formed on one side of the limiting leg. The two hook parts are fixed on the limiting protrusion together with the limiting foot. For the transmission conductor holding structure of the electrical connector described in item 1 of the scope of patent application, the electrical connector is plugged and provided with a male connector, and the male connector includes a male rubber body, and a plurality of them are arranged side by side on the male connector. The male terminal on the head rubber body, and two male head holding structures on the male head rubber body and located on opposite sides of the male terminal, and when the male connector is mated with the electrical connector, the snaps are engaged The part is resisting and fixed on the male head holding structure.

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