CN202094399U - Combination structure of electrical connector - Google Patents

Abstract

An electrical connector assembly structure includes: a first insulating component, including a joint surface with a plurality of plug-in holes, and the joint surface is surrounded by a front wall, a rear wall and two side walls to form an inner space with one end being a plurality of plug-in holes; a second insulating component, corresponding to the corresponding surface of the plug-in holes, provided with a connected through hole, the end side of the corresponding surface is provided with a first wall surface, a second wall surface and two ribs connecting the first and second walls, so that the second insulating component is tightly arranged on the rear side of the first insulating component and is aligned with the plug-in holes and connected to the through hole; a conductive terminal group, including a plurality of terminals corresponding to the plug-in holes, the terminal including two opposite retaining parts and an extension part connecting the two retaining parts, the retaining part is tightly connected with the corresponding plug-in holes, and the free end of the extension part extends out toward the through hole of the second insulating component, so as to achieve rapid assembly and better positioning functions.

Description

Combination structure of electrical connector

technical field

The utility model relates to a combined structure of an electric connector, in particular to an electric connector used in the field of computers or electronic equipment, and its combined structure.

Background technique

In order to provide the electronic signal transmission performance and plug-in positioning relationship of computers or electronic equipment, various manufacturers have invested considerable research to develop the most excellent connectors to provide the installation and use of the aforementioned equipment.

For example, China Taiwan Patent Announcement No. M373030 New Patent Case, which is an electrical connector and its combination includes:

The socket connector includes a first insulating body with a receiving space and a plug terminal assembled on the first insulating body. The first insulating body includes a base body and a front wall extending vertically forward from both sides of the base body and rear wall;

The plug connector plugged into the accommodating space of the socket connector includes a second insulating body and connecting terminals assembled on the second insulating body. The second insulating body includes a base and a plug extending forward from the base. connection;

Wherein, at least one of the front wall and the rear wall of the first insulating body protrudes toward the receiving space; the base of the second insulating body is provided with a protrusion to cooperate with the boss to fix the connection between the plug and the socket.

However, with respect to the first and second insulating bodies of the aforementioned patent case, they are connected by the correspondingly arranged bosses and protrusions, which are easy to come out when plugging and unplugging. Hole combination, although the connection terminal is equipped with barbs, but its strength is still insufficient, and there is a risk of detachment after repeated insertion and removal.

Utility model content

The main purpose of the present utility model is to provide an electrical connector assembly structure, which has a more simplified structure and an electrical connector with better positioning effect, so as to improve the use efficiency.

In order to achieve the above purpose, the technical means adopted by the utility model is a combined structure of an electrical connector, including: a first insulating part, including a front joint surface with a plurality of insertion holes, and the side of the joint surface is extended to one end There are a front wall, a rear wall and two side walls connecting the front wall and the rear wall, and the joint surface is surrounded by the front wall, the rear wall and the two side walls to form an inner space with a plurality of insertion holes at one end; and the front wall, The outer wall of the other end face of the rear wall is separately provided with at least one positioning block;

The second insulating part is arranged on the rear side of the first insulating part, and corresponding to the connecting surface of the insertion hole, there are connected through holes. One, the second rib of the second wall, its first wall, the second wall are provided with the pair of slots corresponding to the positioning block of the front wall and the rear wall, and the positioning block and the pair of slots are positioned and fitted, so that the first The second insulating part is tightly connected to the rear side of the first insulating part, and is aligned with the insertion hole to communicate with the through hole;

The conductive terminal group includes a plurality of terminals corresponding to the plug holes. The terminals include two opposite holding parts and an extension part connecting the two holding parts. The holding parts are tightly connected with the plug holes corresponding to the plug holes. It extends toward the through hole of the second insulating component.

Wherein, the front wall of the first insulating part is provided with a fool-proof block and at least one guide block.

Wherein, the rear wall of the first insulating part is provided with a locking block and at least one guiding block.

Wherein, the outer wall of one end face of the front wall and the rear wall of the first insulating part is respectively provided with four positioning blocks, and the first wall and the second wall of the second insulating part are provided with four pairs of plugs corresponding to the four positioning blocks. groove.

Wherein, the second insulating member is provided with a through hole communicating with the insertion hole of the first insulating member, and the opposite surface of the second insulating member is provided with a rear support for setting the position of the protruding free end of the terminal.

Wherein, the opposite surface of the perforation of the second insulating part is extended with a back holder for the protruding free end of the terminal to be accommodated, and the free end of the terminal has a converging section, and the back holder is provided with a corresponding accommodation guide groove .

Wherein, the second insulating part has first and second walls and two ribs connecting the first and second walls, and the two ribs are attached to the periphery of the side wall when the first and second insulating parts are combined.

Wherein, the terminal includes two opposite holding parts and an extension part connecting the holding parts, and the holding part is closely fitted to the insertion hole and includes a contact end and an elastic end.

Wherein, the terminal includes two opposite holding parts and an extension part connecting the holding parts, and a barb is extended from the rear end of the holding part to press against the inner wall of the insertion hole.

Through the above technical solution, the first and second insulating parts of the utility model are correspondingly fastened, and the holding part of the conductive terminal group can be fastened and positioned in the insertion hole of the first insulating part, and the extension part is formed by the second insulating part. The perforation extends out, which not only has good tightness and positioning performance, but also does not have the risk of loosening when plugging and unplugging. Moreover, the extension part of the conductive terminal set protrudes from the perforation and is set on the rear bracket, which not only improves its positioning It also facilitates the connection work of external terminals.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the utility model.

Fig. 2 is a three-dimensional exploded view of the utility model from another angle.

Fig. 3 is a three-dimensional exploded view of the utility model from another angle.

Fig. 4 is a combined perspective view of the utility model.

Fig. 5 is a combined perspective view of another angle of the utility model.

Fig. 6 is a three-dimensional enlarged view of a terminal of the present invention.

Fig. 7 is a schematic cross-sectional view of the utility model.

Fig. 8 is a schematic cross-sectional view of another angle of the utility model.

Symbol Description

Detailed ways

Please refer to Figs. 1 to 3, the combined structure of an electrical connector of the present invention includes: a first insulating component 10, a front joint surface 12 with a plurality of insertion holes 11, and the side edges of the joint surface 12 A front wall 13, a rear wall 14 and two side walls 15, 16 connecting the front wall 13, the rear wall 14 are extended to one end, and the joint surface 12 is surrounded by the front wall 13, the rear wall 14 and the two side walls 15, 16, Form an inner space with one end being a plurality of insertion holes 11; and the outer wall of the other end face of the front wall 13 and the rear wall 14 is separately provided with at least one positioning block 17, as shown in the figure, it is four positioning blocks 17, and the front The wall 13 is provided with a fool-proof block 131 and at least one guiding block 132, and the rear wall 14 is provided with a locking block 141 and at least one guiding block 142;

The second insulating part 20 is arranged on the rear side of the first insulating part 10, and corresponding to the connecting surface 12 of the insertion hole 11, a through-hole 21 is provided, and the end side of the connecting surface 22 is provided with a first wall surface 23 , the second wall 24 and the two ribs 25, 26 connecting the first and second walls 23, 24, the two ribs 25, 26 are attached to the side wall when the first and second insulating components 10, 20 are combined 15, 16 periphery. Its first wall 23 and second wall 24 are provided with four pairs of slots 27 correspondingly fitted with the four positioning blocks 17 of the front wall 13 and the rear wall 14. The two insulating parts 20 are tightly connected to the rear side of the first insulating part 10 (refer to Fig. 4, Fig. 5), and align with the insertion hole 11 and communicate with the through hole 21;

Please refer to Fig. 1 and Fig. 6 to Fig. 8. The conductive terminal group 30 of the present invention includes a plurality of terminals 31 corresponding to the insertion holes 11. The terminals 31 include two opposite holding parts 311 and connecting the two holding parts 311. The extension part 312 of the extension part 311 is fastened with the insertion hole 11 correspondingly, and the free end 313 of the extension part 312 extends toward the through hole 21 of the second insulating part 20 .

And in the second insulating part 20, a rear bracket 28 is extended on the opposite surface of the through hole 21 for the free end 313 of the terminal 31 to accommodate and position. The free end 313 of the terminal 31 has a convergent section 314. The rear bracket 28 is provided with Correspondingly, guide grooves 29 are provided.

Please refer to Figure 5. In order to provide a better plug-in positioning effect, the terminal 31 of the present invention includes two opposite holding parts 311 and an extension part 312 connecting the two holding parts 311. The holding part 311 includes a contact end 314 and An elastic end 315, and the rear end of the holding part 311 is extended with a guide surface 315 and a barb 316 that press against the inner wall of the insertion hole 11. By virtue of the above features, the terminal 31 can be tightly positioned in the insertion hole 11 .

Claims (9)

1. An electrical connector combination structure, characterized in that, comprising: The first insulating part includes a front joint surface with a plurality of insertion holes, and the side of the joint surface is extended to one end with a front wall, a rear wall and two side walls connecting the front wall and the rear wall. The joint surface is surrounded by the two side walls to form an inner space with a plurality of insertion holes at one end; and at least one positioning block is respectively provided on the outer side wall of the other end of the front wall and the rear wall; The second insulating part is arranged on the rear side of the first insulating part, and corresponding to the connecting surface of the insertion hole, there are connected through holes. One, the second rib of the second wall, its first wall, the second wall are provided with the pair of slots corresponding to the positioning block of the front wall and the rear wall, and the positioning block and the pair of slots are positioned and fitted, so that the first The second insulating part is tightly connected to the rear side of the first insulating part, and is aligned with the insertion hole to communicate with the through hole; The conductive terminal group includes a plurality of terminals corresponding to the plug holes. The terminals include two opposite holding parts and an extension part connecting the two holding parts. The holding parts are tightly connected with the plug holes corresponding to the plug holes. It extends toward the through hole of the second insulating component. 2. The combined electrical connector structure according to claim 1, wherein the front wall of the first insulating part is provided with a fool-proof block and at least one alignment block. 3. The combined structure of the electrical connector as claimed in claim 1, wherein the rear wall of the first insulating part is provided with a locking block and at least one guiding block. 4. The combined structure of the electrical connector according to claim 1, wherein four positioning blocks are provided on the outer wall of the front wall and the rear wall of the first insulating part, and the first wall of the second insulating part, The second wall is provided with four pairs of slots corresponding to the four positioning blocks. 5. The combined structure of the electrical connector according to claim 1, wherein the second insulating member is provided with a communicating through hole corresponding to the insertion hole of the first insulating member, and the opposite surface of the second insulating member extends along the length of the through hole. There is a rear bracket for setting and positioning the free end of the protruding terminal. 6. The combined structure of the electrical connector according to claim 4, characterized in that, the opposite surface of the perforation of the second insulating member is extended with a rear support for the free end of the protruding terminal to be accommodated, and the free end of the terminal has a A converging section, the rear bracket is provided with a corresponding accommodation guide groove. 7. The combined electrical connector structure according to claim 1 or 4, wherein the second insulating member has first and second walls and two ribs connecting the first and second walls, and the second ribs When the edge is combined with the first and second insulation components, it is pasted on the periphery of the side wall. 8. The combined structure of the electrical connector according to claim 1, wherein the terminal comprises two opposite holding portions and an extension portion connecting the holding portions, and the holding portion is closely fitted to the insertion hole and includes a contact end and an elastic end. 9. The combined structure of the electrical connector according to claim 8, wherein the terminal comprises two opposite holding portions and an extension portion connecting the holding portions, and a rear end of the holding portion is extended to press the insertion hole Barbs on the inner wall.

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