CN219843227U

CN219843227U - Connector assembly

Info

Publication number: CN219843227U
Application number: CN202320745114.3U
Authority: CN
Inventors: 金海伟; 尹绪引; 赖小林; 邓忠诚; 潘百冠
Original assignee: Shenzhen Electric Connector Technology Co Ltd
Current assignee: Shenzhen Electric Connector Technology Co Ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-10-17
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a connector assembly, which comprises a wire end connector and a board end connector. The wire end connector comprises a wire end metal shell, a wire end plastic base, a wire end signal terminal, a wire end grounding terminal and a wire end shielding shell. The board-end connector comprises a board-end metal shell, a board-end insulating base, a board-end signal terminal and a board-end grounding terminal. The front end and the rear end of the wire end metal shell are respectively provided with a wire end embedded part and a wire end locking part, the plate end metal shell comprises a plate end locking part matched with the wire end embedded part and a plate end embedded part matched with the wire end locking part, when the wire end connector and the plate end connector are in a plugging state, the wire end embedded part is embedded into the plate end locking part, and the plate end embedded part is embedded into the wire end locking part. Compared with the prior art, the connector assembly disclosed by the utility model has the advantages of excellent electromagnetic shielding performance, high contact stability and stable shielding effect, and meets the development requirement of miniaturization of products.

Description

Connector assembly

Technical Field

The present utility model relates to the field of electrical connectors, and in particular, to a connector assembly.

Background

Along with the popularization of the internet, the coverage area of the internet of things is larger and larger, and in various fields such as intelligent consumer electronics, digital household appliances, security monitoring and self-service terminals, a board-to-wire connector is needed, and the requirements on the board-to-wire connector are increased sharply, and the requirements on the connection precision, the contact stability, the shielding performance and the like of the board-to-wire connector are also higher and higher. For board-to-wire connectors used in severe environments such as the aerospace field or the automobile field, how to ensure the shielding performance of the board-to-wire connectors and have good contact stability is one of the key technical problems to be solved in the industry.

Accordingly, there is a need for a board-to-wire connector assembly having high strength EMI performance, high contact stability, and stable shielding effect.

Disclosure of Invention

The embodiment of the utility model provides a connector assembly, which has excellent electromagnetic shielding performance, high contact stability and stable shielding effect, and meets the development requirement of miniaturization of products.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a connector assembly comprising a line end connector and a board end connector, wherein:

the wire end connector comprises a wire end metal shell, a wire end plastic base, a wire end signal terminal, a wire end grounding terminal and a wire end shielding shell, wherein the wire end plastic base is arranged in the wire end metal shell, the wire end signal terminal and the wire end grounding terminal are fixed on the wire end plastic base at intervals, and the wire end shielding shell is arranged on the lower side of the wire end plastic base and is respectively electrically connected with the wire end metal shell, the wire end grounding terminal and a shielding layer of a cable;

the board-end connector comprises a board-end metal shell, a board-end insulating base, a board-end signal terminal and a board-end grounding terminal, wherein the board-end insulating base is arranged in the board-end metal shell;

preferably, the plate end locking part comprises a second vertical plate bent upwards from the bottom plate of the plate end metal shell and a cover plate bent backwards from the top of the second vertical plate; when the wire end connector and the board end connector are in a plugging state, the top plate of the wire end embedding part is abutted with the bottom of the cover plate.

Preferably, a limiting protrusion is arranged on the top plate of the wire end embedded part, a through hole structure matched with the limiting protrusion is arranged on the cover plate, and when the wire end connector and the plate end connector are in an inserting state, the limiting protrusion is positioned in the through hole structure.

Preferably, the wire end locking part comprises a side vertical plate bent downwards from the side edge of the top plate of the wire end metal shell and a supporting plate bent inwards from the side vertical plate, and when the wire end connector and the board end connector are in a plugging state, the bottom plate of the board end embedded part is abutted with the top of the supporting plate.

Preferably, the wire end locking part comprises a first vertical plate bent downwards from the top plate of the wire end metal shell and a supporting plate bent forwards from the bottom of the first vertical plate; when the line end connector and the board end connector are in a plugging state, the bottom plate of the board end embedded part is abutted with the top of the supporting plate.

Preferably, the thickness of the wire end locking part is larger than the thickness of other parts of the wire end metal shell.

Preferably, a third vertical plate which is arranged in parallel with the second vertical plate is arranged at the rear end of the plate-end metal shell, and a plurality of first wire slots for fixing the cables are arranged at the top of the third vertical plate; the wire end shielding shell comprises a fourth vertical plate parallel to the third vertical plate, and a second wire slot opposite to the first wire slot is formed in the top of the fourth vertical plate.

Preferably, a first contact piece bent from bottom to top is arranged at the front end of the main body of the wire end shielding shell, and the first contact piece is electrically connected with the wire end grounding terminal.

Preferably, the wire end shield case is provided with a downwardly protruding elastic contact piece, and the elastic contact piece is in electrical contact with the board-to-ground terminal when the wire end connector and the board-to-ground connector are in a plugged state.

Preferably, the wire end shielding shell is provided with a spring plate groove, the inner wall of the rear side of the spring plate groove is connected with the elastic contact piece, and the elastic contact piece extends along the length direction of the wire end grounding terminal and is abutted with the wire end grounding terminal.

Preferably, the wire end shielding shell is provided with an elastic sheet groove, the inner walls of the left side and the right side of the elastic sheet groove are respectively provided with an elastic contact piece, and the elastic contact pieces respectively extend along the thickness direction of the wire end grounding terminal and are in butt joint with the side surfaces of the wire end grounding terminal.

Preferably, the wire end plastic base comprises a plastic base body, first supporting walls extending forwards from two sides of the plastic base body, and second supporting walls connected with front end parts of the two first supporting walls, wherein the wire end signal terminal and the wire end grounding terminal are fixed on the plastic base body, and the second supporting walls are used for supporting and fixing the wire end embedded part.

The utility model has the beneficial effects that: the front end and the rear end of the wire end metal shell are respectively provided with the wire end embedded part and the wire end locking part, and the plate end metal shell is provided with the plate end locking part and the plate end embedded part which are matched with the wire end embedded part; the plate end metal shell, the wire end shielding shell, the wire end grounding terminal and the plate end grounding terminal form a complete electromagnetic shielding loop, so that the connector assembly has excellent electromagnetic shielding performance; the board end metal shell and the wire end metal shell are inserted in a manner of being embedded in the vertical direction and then sliding buckles, so that the thickness of the connector assembly is reduced, and the development requirement of miniaturization of products is met.

Drawings

FIG. 1 is a schematic view of a connector assembly (not plugged) according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a connector assembly (mating) according to an embodiment of the present utility model;

FIG. 3 is a first cross-sectional schematic view of the connector assembly shown in FIG. 2;

FIG. 4 is a second cross-sectional schematic view of the connector assembly shown in FIG. 2;

FIG. 5 is a schematic view of a wire end connector (including a cable) according to an embodiment of the present utility model;

FIG. 6 is a schematic exploded view of the structure of the line end connector (including the cable) shown in FIG. 5;

FIG. 7 is a schematic view of a board connector according to an embodiment of the present utility model;

FIG. 8 is an exploded view of the board end connector of FIG. 7;

FIG. 9 is a schematic view of a metal shell at the wire end in an embodiment of the utility model;

FIG. 10 is a schematic view of another embodiment of a wire-end metal shell;

fig. 11 is a schematic structural diagram of a board-end signal terminal according to an embodiment of the present utility model;

fig. 12 is a schematic structural view of a wire-end signal terminal according to an embodiment of the present utility model;

FIG. 13 is a schematic view of a line end shield according to an embodiment of the present utility model;

fig. 14 is a schematic view of another structure of a wire end shield according to an embodiment of the present utility model.

Reference numerals: 100. a board end connector; 110. a plate end metal shell; 111. a board end embedding portion; 112. a plate end locking part; 1121. a second riser; 1122. a cover plate; 1123. a via structure; 113. a third riser; 1131. a first wire chase; 114. positioning holes; 120. a board end insulating base; 121. an insulating base body; 122. a terminal fixing groove; 123. a first upright; 124. a second upright; 125. a first terminal accommodation groove; 126. a second terminal accommodating groove; 127. a fixing protrusion; 130. a board end signal terminal; 131. a terminal fixing portion; 132. a connection part; 133. a welding part; 134. a first elastic arm; 1341. a first connecting arm; 1342. a first bending arm; 1343. a first support arm; 135. a second elastic arm; 1351. a fixed arm; 1352. a second connecting arm; 1353. a second bending arm; 1354. a second support arm; 136. a first contact portion; 1361. a first contact point; 1362. a second contact point; 137. a second contact portion; 140. a board-to-ground terminal; 200. a wire end connector; 210. a wire end metal shell; 211. a wire end embedding part; 2111. a limit protrusion; 212. a wire end locking part; 2121. a first riser; 2122. a supporting plate; 2123. side risers; 2124. a support plate; 220. a wire end plastic base; 221. a plastic base body; 222. a first support wall; 223. a second support wall; 224. a first support column; 225. a second support column; 230. a line-end signal terminal; 231. a terminal fixing arm; 232. a first U-shaped arm; 233. a connecting arm; 234. a second U-shaped arm; 240. the wire end is grounded to the terminal; 250. a wire end shield case; 251. a fourth riser; 252. a second wire slot; 253. a first contact piece; 254. an elastic contact piece; 255. spring plate grooves; 300. a cable; 310. an inner conductor; 320. an insulating layer; 330. and a shielding layer.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

The embodiment of the utility model provides a connector assembly, which aims to solve the technical problem of poor stability of a connector in the prior art. In the present utility model, the direction in which the cable is located with respect to the line-end connector is the rear, rear side or rear, and the opposite direction is the front, front side or front; the board end connector and the wire end connector are in a plugging state, the direction of the board end connector relative to the wire end connector is lower, bottom or bottom, and the opposite direction is upper, top or top.

As shown in fig. 1 to 14, an embodiment of the present utility model is:

as shown in fig. 1 to 4, a connector assembly includes a line-end connector 200 and a board-end connector 100. The wire end connector 200 is connected to the cable 300, and the cable 300 is provided with an inner conductor 310, an insulating layer 320 and a shielding layer 330 in sequence from inside to outside. As shown in fig. 5 and 6, the wire-end connector 200 includes a wire-end metal shell 210, a wire-end plastic base 220 disposed inside the wire-end metal shell 210, a wire-end signal terminal 230 and a wire-end ground terminal 240 fixed on the wire-end plastic base 220 and disposed at intervals, and a wire-end shield shell 250 disposed at a lower side of the wire-end plastic base 220, wherein the wire-end shield shell 250 is electrically connected with the wire-end metal shell 210, the wire-end ground terminal 240 and the shield layer 330, respectively, and the wire-end signal terminal 230 is electrically connected with the inner conductor 310. As shown in fig. 7 and 8, the board-end connector 100 includes a board-end metal shell 110, a board-end insulating base 120 provided inside the board-end metal shell 110, and board-end signal terminals 130 and board-end ground terminals 140 fixed to the board-end insulating base 120 and provided at intervals. The wire end signal terminal 230 and the wire end ground terminal 240 may have the same structural design, and the board end signal terminal 130 and the board end ground terminal 140 may have the same structural design, so that the production process is simple, and the production cost is reduced.

The front and rear ends of the wire-end metal case 210 are respectively provided with a wire-end insertion portion 211 and a wire-end locking portion 212, and the plate-end metal case 110 includes a plate-end locking portion 112 matched with the wire-end insertion portion 211 and a plate-end insertion portion 111 matched with the wire-end locking portion 212. That is, the wire end insertion portion 211 may be provided at the front end of the wire end metal case 210 or may be provided at the rear end of the wire end metal case 210, and the present utility model will be specifically described taking the case where the wire end insertion portion 211 is provided at the front end of the wire end metal case 210. The board-end connector 100 and the wire-end connector 200 are inserted and combined in a manner of being embedded in the vertical direction and then being buckled in a sliding manner, when the board-end connector 100 and the wire-end connector are in an inserted and combined state, the board-end metal shell 110 is electrically connected with the wire-end metal shell 210 and the wire-end shielding shell 250, and the wire-end grounding terminal 240 is electrically connected with the board-end grounding terminal 140, so that a complete electromagnetic shielding loop is formed, and the connector assembly has excellent electromagnetic shielding performance; the wire end signal terminal 230 is electrically connected with the board end signal terminal 130; the wire end insertion portion 211 is inserted into the board end locking portion 112, and the board end insertion portion 111 is inserted into the wire end locking portion 212, and the double locking structure provides the connector assembly with excellent connection stability.

In order to solve the technical problem of poor stability of the connector in the prior art, the front end and the rear end of the wire end metal shell are respectively provided with the wire end embedded part and the wire end locking part, and the board end metal shell is provided with the board end locking part and the board end embedded part which are matched with the wire end embedded part; the plate end metal shell, the wire end shielding shell, the wire end grounding terminal and the plate end grounding terminal form a complete electromagnetic shielding loop, so that the connector assembly has excellent electromagnetic shielding performance; the board end metal shell and the wire end metal shell are inserted in a manner of being embedded in the vertical direction and then sliding buckles, so that the thickness of the connector assembly is reduced, and the development requirement of miniaturization of products is met.

Preferably, as shown in fig. 9, the wire end locking portion 212 includes a first riser 2121 bent downward from the top plate of the wire end metal shell 210 and a supporting plate 2122 bent forward from the bottom of the first riser 2121, and when the wire end connector 200 and the board end connector 100 are in a plugging state, the bottom plate of the board end embedding portion 111 abuts against the top of the supporting plate 2122, and the wire end locking portion 212 is simple in structure and convenient to manufacture and process.

Preferably, as shown in fig. 10, the wire end locking part 212 includes a side riser 2123 bent downward from a side of the top plate of the wire end metal shell 210 and a support plate 2124 bent inward from the side riser 2123, and when the wire end connector 200 is in a plugged state with the board end connector 100, the bottom plate of the board end embedding part 111 abuts against the top of the support plate 2124, and the wire end locking part 212 is simple in structure and convenient to manufacture and process.

Preferably, the board-end locking portion 112 includes a second vertical plate 1121 bent upward from the bottom plate of the board-end metal shell 110 and a cover plate 1122 bent rearward from the top of the second vertical plate 1121, and when the line-end connector 200 and the board-end connector 100 are in a plugging state, the top plate of the line-end insertion portion 211 abuts against the bottom of the cover plate 1122, and the board-end locking portion 112 has a simple structure and is convenient for production and processing. More specifically, the top plate of the wire end embedded portion 211 is provided with a limiting protrusion 2111, the cover plate 1122 is provided with a through hole structure 1123 matched with the limiting protrusion 2111, when the wire end connector 200 and the board end connector 100 are in a plugging state, the limiting protrusion 2111 is located in the through hole structure 1123, and the locking strength between the board end connector 100 and the wire end connector 200 can be further improved through the limiting protrusion 2111 and the through hole structure 1123, so that the connection stability and the contact stability of the connector assembly are further ensured.

Preferably, the wire end locking portion 212 has a thickness greater than that of the other portions of the wire end metal shell 210. More specifically, the thickness of the wire end locking portion 212 and the rear end of the top plate of the wire end metal shell 210 connected thereto is greater than the thickness of other portions of the wire end metal shell 210, and the wire end locking portion 212 has high strength and is resistant to wear, thereby being beneficial to improving the service life of the connector assembly.

Preferably, the rear end of the plate-end metal shell 110 is provided with a third vertical plate 113 arranged in parallel with the second vertical plate 1121, and the top of the third vertical plate 113 is provided with a plurality of first wire grooves 1131 for fixing the cables 300; the line-end shield case 250 includes a fourth riser 251 parallel to the third riser 113, and a second line groove 252 opposite to the first line groove 1131 is provided at the top of the fourth riser 251. Through setting up first wire casing 1131 and the fixed cable 300 of second wire casing 252, prevent that cable 300 from taking place the winding, and help improving the space utilization of product, be favorable to satisfying the development demand of product miniaturization.

Preferably, the front end of the main body of the wire end shielding shell 250 is provided with a first contact piece 253 bent from bottom to top, the first contact piece 253 is electrically connected with the wire end grounding terminal 240, and the electrical connection between the wire end shielding shell 250 and the wire end grounding terminal is realized through the first contact piece 253, so that the structure is simple, and the production and the processing are convenient.

Preferably, the wire end shield case 250 is provided with a downwardly protruding elastic contact piece 254, and the elastic contact piece 254 is in electrical contact with the board-to-ground terminal 140 when the wire end connector 200 and the board-to-ground connector 100 are in the plugged state. Specifically, in one embodiment, as shown in fig. 13, the wire end shield case 250 is provided with a spring plate groove 255, and the rear inner wall of the spring plate groove 255 is in contact with the elastic contact piece 254, and the elastic contact piece 254 extends along the length direction of the wire end ground terminal 240 and abuts against the wire end ground terminal 240. In another embodiment, as shown in fig. 14, the wire end shielding shell 250 is provided with a spring slot 255, and elastic contact pieces 254 are disposed on inner walls of both left and right sides of the spring slot 255, and the elastic contact pieces 254 extend along the thickness direction of the wire end grounding terminal 240 and abut against side surfaces of the wire end grounding terminal 240, that is, the two elastic contact pieces 254 are clamped between both sides of the wire end grounding terminal 240.

Preferably, the wire end plastic base 220 includes a plastic base body 221, first supporting walls 222 extending forward from two sides of the plastic base body 221, and a second supporting wall 223 connecting front ends of the two first supporting walls 222, wherein the wire end signal terminal 230 and the wire end grounding terminal 240 are fixed on the plastic base body 221, the second supporting wall 223 is used for supporting and fixing the wire end embedded part 211, and the structural strength of the wire end embedded part 211 can be improved through the second supporting wall 223, so that the deformation of the connector assembly in the use process is prevented, and the service life of the connector assembly is further improved. Specifically, the wire end signal terminal 230 and the wire end ground terminal 240 are fixed to the wire end plastic base 220 by insert molding, and then are fixed to the wire end metal shell 210 by secondary insert molding.

The insert molding process is a molding method for manufacturing an integrated product by filling a prepared special material insert into a mold, injecting resin, and bonding and solidifying a molten material and the insert.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples merely illustrate embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A connector assembly comprising a wire end connector and a board end connector, wherein:

the front end and the rear end of the wire end metal shell are respectively provided with a wire end embedded part and a wire end locking part, the plate end metal shell comprises a plate end locking part matched with the wire end embedded part and a plate end embedded part matched with the wire end locking part, when the wire end connector and the plate end connector are in an inserting state, the wire end embedded part is embedded into the plate end locking part, and the plate end embedded part is embedded into the wire end locking part.

2. The connector assembly of claim 1, wherein: the plate end locking part comprises a second vertical plate bent upwards from the bottom plate of the plate end metal shell and a cover plate bent backwards from the top of the second vertical plate; when the wire end connector and the board end connector are in a plugging state, the top plate of the wire end embedding part is abutted with the bottom of the cover plate.

3. The connector assembly of claim 2, wherein: the top plate of the wire end embedded part is provided with a limiting protrusion, the cover plate is provided with a through hole structure matched with the limiting protrusion, and when the wire end connector and the plate end connector are in a plugging state, the limiting protrusion is positioned in the through hole structure.

4. The connector assembly of claim 1, wherein: the wire end locking part comprises a side vertical plate which is bent downwards from the side edge of the top plate of the wire end metal shell and a supporting plate which is bent inwards from the side vertical plate, and when the wire end connector and the plate end connector are in an inserting state, the bottom plate of the plate end embedding part is in butt joint with the top of the supporting plate.

5. The connector assembly of claim 1, wherein: the wire end locking part comprises a first vertical plate bent downwards from a top plate of the wire end metal shell and a supporting plate bent forwards from the bottom of the first vertical plate; when the line end connector and the board end connector are in a plugging state, the bottom plate of the board end embedded part is abutted with the top of the supporting plate.

6. The connector assembly of claim 2, wherein: the rear end of the plate-end metal shell is provided with a third vertical plate which is arranged in parallel with the second vertical plate, and the top of the third vertical plate is provided with a plurality of first wire slots for fixing the cables; the wire end shielding shell comprises a fourth vertical plate parallel to the third vertical plate, and a second wire slot opposite to the first wire slot is formed in the top of the fourth vertical plate.

7. The connector assembly of claim 1, wherein: the front end of the main body of the wire end shielding shell is provided with a first contact piece bent from bottom to top, and the first contact piece is electrically connected with the wire end grounding terminal.

8. The connector assembly of claim 1, wherein: the wire end shielding shell is provided with an elastic contact piece protruding downwards, and when the wire end connector and the board end connector are in a plugging state, the elastic contact piece is in electrical contact with the board end terminal.

9. The connector assembly of claim 8, wherein: the wire end shielding shell is provided with an elastic sheet groove, the inner wall of the rear side of the elastic sheet groove is connected with the elastic contact piece, and the elastic contact piece extends along the length direction of the wire end grounding terminal and is abutted with the wire end grounding terminal.

10. The connector assembly of claim 8, wherein: elastic sheet grooves are formed in the wire end shielding shell, elastic contact pieces are arranged on the inner walls of the left side and the right side of the elastic sheet grooves, and the elastic contact pieces extend along the thickness direction of the wire end grounding terminal and are in butt joint with the side faces of the wire end grounding terminal.