CN222320662U

CN222320662U - Cable connector

Info

Publication number: CN222320662U
Application number: CN202323469092.1U
Authority: CN
Inventors: 吴永发; 吴祝平; 方志宏
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2023-12-19
Filing date: 2023-12-19
Publication date: 2025-01-07
Anticipated expiration: 2033-12-19

Abstract

The utility model provides a cable connector which comprises a cable end plug and a board end socket, wherein the cable end plug comprises an insulating body, a plurality of wiring terminals contained in the insulating body and a plurality of cables connected to the wiring terminals, the board end socket comprises a plastic substrate, a plurality of sheet-shaped terminals clamped on the plastic substrate and a metal shell arranged on the plastic substrate, a buckling arm is arranged on the insulating body of the cable end plug, a buckling hole matched with the buckling arm and a buckling protrusion are arranged on the metal shell of the board end socket, and the buckling arm protrudes into the buckling hole and is in buckling fit with the buckling protrusion. According to the utility model, through optimizing the buckling mechanism of the line-end plug and the board-end socket, reliable and stable buckling fixation is realized by utilizing the buckling cooperation of the buckling arm and the top cover part of the metal shell, and meanwhile, the buckling arm adopts a cantilever type or lever type design, and the operation of locking or unlocking is realized by the lever principle, so that the operation is very convenient and quick.

Description

Cable connector

Technical Field

The present disclosure relates to electrical connectors, and particularly to a cable connector.

Background

With the development trend of miniaturization, thinness and thinness of consumer electronic products such as notebooks, tablet computers and mobile phones, the requirements on the design and manufacturing process of parts of the products are higher, and as the products are increasingly thinner and thinner, the internal space of the products is also very narrow, so that the internal space of the products is required to be densely distributed, the volumes of the electronic parts are also smaller and lighter, and the requirements on the manufacturing process and the reliability of product connection are higher. For example, in order to meet the reliability of plugging, in the prior art, corresponding fastening mechanisms are generally designed on the male end plug and the female end socket, so that the male end plug and the female end socket can be stably connected by means of the fastening mechanisms after plugging, the common fastening mechanisms are arranged on two sides of the male end and the female end, such as the insulation plastic on two sides of the male end is provided with grooves to be in fastening fit with the protruding structures on two sides of the female end, but due to the light and thin design of the product, the fastening force/holding force provided by the fastening mechanisms is insufficient, and the fastening mechanisms are easy to loose in the vibration process, so that poor contact of the male end and the female end is caused.

Disclosure of utility model

The utility model provides a cable connector, which is used for solving the problem of poor contact caused by insufficient plugging force or retaining force in the prior art.

The cable connector comprises a wire end plug and a board end socket which are mutually spliced and matched, wherein the wire end plug comprises an insulating body, a plurality of wiring terminals contained in the insulating body and a plurality of cables connected to the wiring terminals, the board end socket comprises a plastic substrate, a plurality of sheet-shaped terminals clamped on the plastic substrate and a metal shell arranged on the plastic substrate, a clamping arm is arranged on the insulating body of the wire end plug, the clamping arm is provided with an operation board, a clamping hook part extending forwards from the operation board and a supporting arm supported below the operation board, a locking hole and a locking protrusion positioned on one side of the locking hole are arranged on the metal shell of the board end socket, and the clamping hook part protrudes into the locking hole and is in clamping fit with the locking protrusion.

Further, the insulating body is provided with a top wall, a bottom wall and a pair of side walls, the buckling arms are formed above the top wall and integrally connected with the top wall through the supporting arms, and a pair of raised strips positioned on two sides of the buckling arms are further formed on the surface of the top wall.

Further, the protruding strip extends along the length direction of the cable, the metal shell is provided with a top cover part and a pair of side cover parts, a pair of long and narrow notch for accommodating the protruding strip is formed in the top cover part, and the notch is positioned at two sides of the locking hole and penetrates through the edge of the top cover part.

Further, the operation plate and the hook are respectively positioned at the front side and the rear side of the supporting arm, and the operation plate, the hook and the lever are formed into a lever structure taking the supporting arm as a fulcrum.

Further, the surface of the side wall is provided with a concave buckling concave part and a long and narrow concave channel, the concave channel extends along the front-back direction and is positioned above the buckling concave part, and the buckling concave part is in clamping fit with the side cover part.

Further, the wiring terminal is provided with a wire clamping part and a pair of clamping arms, the wire clamping part clamps the cable and is communicated with the wire core of the cable, and the pair of clamping arms are symmetrically arranged to form a space for clamping the sheet-shaped terminal.

Further, the top surface of the plastic matrix is provided with a pair of positioning convex ribs and a positioning convex block, and the side surface of the plastic matrix is provided with a mounting groove matched and fixed with the metal shell.

Further, the top wall and the bottom wall of the insulating body are vertically corresponding to each other and are arranged in parallel, and a plurality of wire arrangement holes are formed between the top wall and the bottom wall for the cables to pass through.

Further, a pair of downward turned clamping pieces are arranged on two sides of the top cover part, and the clamping pieces protrude downwards to be clamped in the concave channel.

Compared with the prior art, the utility model realizes reliable and stable buckle fixation by optimizing the buckle mechanism of the line-end plug and the board-end socket and utilizing the buckle cooperation of the buckle arm and the top cover part of the metal shell, ensures enough holding force, and simultaneously realizes the operation of locking or unlocking by adopting the cantilever type or lever type design and the lever principle, thereby being very convenient and quick.

Drawings

Fig. 1 is a perspective view of a wire end plug and a board end socket of the cable connector of the present utility model before plugging.

Fig. 2 is an exploded view of a terminal plug of the cable connector of the present utility model.

Fig. 3 is an exploded view of a board end socket of the cable connector of the present utility model.

Fig. 4 is a perspective view of a wire end plug and a board end socket of the cable connector in an inserted state.

Fig. 5 is a cross-sectional view of the terminal plug and the board terminal socket of the present utility model in a plugged state.

Detailed Description

Referring to fig. 1 to 5, the present utility model provides a cable connector, which includes a cable end plug 100 and a board end socket 200 for connecting a cable and a circuit board, wherein the cable end plug 100 inserts the cable into the board end socket 200 to electrically connect the cable and the circuit board.

As shown in fig. 2, the wire end plug 100 includes an insulation body 110, a plurality of connection terminals 120 fixed in the insulation body 110, and a plurality of wires 130 connected to the connection terminals 120, the insulation body 110 is flat, and is provided with a top wall 111, a bottom wall 112, and a pair of side walls 113, the top wall 111 and the bottom wall 112 are vertically and correspondingly arranged in parallel, a plurality of wire arranging holes 114 are formed between the two holes for the wires 130 to pass through, a pair of protruding strips 115 protruding upwards and a latch arm 116 between the pair of protruding strips 115 are formed on the surface of the top wall 111, the protruding strips 115 are elongated and extend along the length direction of the wires 130, preferably, the protruding strips 115 extend from the front edge of the top wall 111 to the rear edge of the top wall 111, the latch arm 116 is integrally connected with the top wall 111, the latch arm 116 is provided with a flat operation plate 116a, a latch portion 116b extending forwards from the operation plate 116a, and a latch arm 116c integrally connected between the operation plate 116a and the top wall 111, wherein the latch arm 116b is preferably pressed up towards the front edge of the top wall 116b, and the latch arm 116b is preferably pressed towards the latch portion. The surface of the side wall 113 is provided with a concave buckling concave 117 for buckling and matching with the board end socket 200, preferably, the side wall 113 is further provided with a long and narrow concave channel 118, the concave channel 118 extends along the front-back direction and is located above the concave buckling concave 117, preferably, the concave channel 118 can play a foolproof role to prevent the line end plug 100 and the board end socket 200 from being misplaced, and preferably, the front end of the side wall 113 is provided with an inclined surface 119 for guiding insertion. The connecting terminal 120 is provided with a wire clamping portion 121 and a pair of clamping arms 122, the wire clamping portion 121 is used for clamping the cable 130 and is in conductive connection with the core of the cable 130, the clamping arms 122 are symmetrically arranged, and a space for clamping the sheet-shaped terminal 220 of the board-end socket 200 is formed between the clamping arms.

As shown in fig. 3, the board-end socket 200 includes a strip-shaped plastic substrate 210, a plurality of tab terminals 220 clamped on the plastic substrate 210, and a metal housing 230 mounted on the plastic substrate 210, wherein a pair of positioning ribs 211 and a positioning protrusion 212 are disposed on the top surface of the plastic substrate 210, and are configured to cooperate with the metal housing 230, a mounting groove 213 is disposed on a side surface of the plastic substrate 210, and is configured to mount and fix the metal housing 230, and a plurality of front-rear through terminal grooves 214 are disposed on the plastic substrate 210, and are configured to accommodate the plurality of tab terminals 220. The sheet-shaped terminal 220 is zigzag-shaped, and is provided with a contact portion 221 and a soldering portion 222, the contact portion 221 is sheet-shaped, and is inserted between the pair of clamping arms 122 of the connection terminal 120, so as to electrically connect with the connection terminal 120, and the soldering portion 222 extends from the contact portion 221 to the rear side of the plastic substrate 210 for soldering to a circuit board. The metal shell 230 is provided with a top cover 231 and a pair of side cover 232, the top cover 231 and the side cover 232 are formed by metal stamping and are integrally connected with each other, an insertion space 235 for the insertion of the line-end plug 100 is formed between the top cover 231 and the side cover 232, the top cover 231 is provided with a pair of elongated slots 233 and a latch hole 234 between the slots 233, the slots 233 and the latch hole 234 vertically penetrate through the top cover 231 and are communicated with the insertion space 235, preferably, the top cover 231 is further provided with a latch protrusion 236, the latch protrusion 236 is formed on one side of the latch hole 234 and is adjacently arranged with the latch hole 234, and the latch protrusion 236 protrudes upwards from the surface of the top cover 231 and is higher than the latch hole 234 for being in latch fit with the hook 116 b. The side cover portion 232 is formed with spring arms 237 protruding inward, and the spring arms 237 protrude toward the insertion space 235 to press-contact the terminal plug 100 in the insertion space 235, so as to clamp the terminal plug 100 to hold the terminal plug 100 in the board-end socket 200. Preferably, the top cover 231 is provided with a pair of downward turned holding pieces 238, and the holding pieces 238 are located at two sides of the plugging space 235 and protrude into the plugging space 235 to be held in the concave channel 118, and the two pieces cooperate to realize a foolproof and misplug proof function.

When assembled, the line-end plug 100 is inserted into the insertion space 235 of the board-end socket 200, the pair of raised strips 115 on the line-end plug 100 are clamped in the pair of notches 233 on the metal housing 230 of the board-end socket 200, and the latch arms 116 of the line-end plug 100 are in latch fit with the latch holes 234 and the latch protrusions 236 on the metal housing 230, and due to the arrangement of the latch protrusions 236, the latch hook portions 116b of the latch arms 116 can generate a click when passing through the latch protrusions 236 or can make an operator feel that the latch is in place.

In summary, the present utility model optimizes the fastening mechanism of the line-end plug 100 and the board-end socket 200, and utilizes the fastening cooperation of the fastening arm 116 and the top cover of the metal housing 230 to achieve reliable and stable fastening, and meanwhile, the fastening arm 116 adopts the cantilever or lever type design, and the fastening or unlocking operation is achieved through the lever principle, which is very convenient and fast.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make many possible variations and modifications to the technical solution of the present utility model using the above disclosed method without departing from the scope of the technical solution of the present utility model, which is defined in the claims.

Claims

1. A cable connector comprises a wire end plug and a board end socket which are mutually spliced and matched, wherein the wire end plug comprises an insulating body, a plurality of wiring terminals contained in the insulating body and a plurality of cables connected to the wiring terminals, the board end socket comprises a plastic substrate, a plurality of sheet-shaped terminals clamped on the plastic substrate and a metal shell arranged on the plastic substrate, and the cable connector is characterized in that a clamping arm is arranged on the insulating body of the wire end plug and is provided with an operation plate, a clamping hook part extending forwards from the operation plate and a supporting arm supported below the operation plate, a locking hole and a locking protrusion positioned on one side of the locking hole are arranged on the metal shell of the board end socket, and the clamping hook part protrudes into the locking hole and is in clamping fit with the locking protrusion.

2. The cable connector of claim 1, wherein the insulative housing has a top wall, a bottom wall and a pair of side walls, the latch arms are formed above the top wall and integrally connected to the top wall by the support arms, and a pair of protruding strips are formed on the surface of the top wall and located on both sides of the latch arms.

3. The cable connector of claim 2, wherein the protruding strips extend along the length direction of the cable, the metal housing is provided with a top cover part and a pair of side cover parts, a pair of long and narrow notches for accommodating the protruding strips are formed on the top cover part, and the notches are positioned on two sides of the locking holes and penetrate through the edges of the top cover part.

4. The cable connector of claim 3, wherein the operating plate and the hook are respectively located at front and rear sides of the supporting arm, and the operating plate and the hook form a lever structure taking the supporting arm as a fulcrum.

5. The cable connector of claim 4, wherein the side wall has a concave snap recess and a long and narrow channel, the channel extends along the front-back direction and is located above the snap recess, and the snap recess is in snap fit with the side cover.

6. The cable connector of claim 5, wherein the terminal is provided with a wire clamping portion and a pair of clamping arms, the wire clamping portion clamps the cable and is conducted with a wire core of the cable, and the pair of clamping arms are symmetrically arranged to form a space for clamping the sheet-shaped terminal.

7. The cable connector of claim 6, wherein the top surface of the plastic base is provided with a pair of positioning ribs and positioning protruding blocks, and the side surface of the plastic base is provided with a mounting groove matched and fixed with the metal shell.

8. The cable connector of claim 7, wherein the top wall and the bottom wall of the insulating body are vertically corresponding to each other and are arranged in parallel, and a plurality of wire arrangement holes are formed between the top wall and the bottom wall for allowing the cables to pass through.

9. The cable connector of claim 8, wherein a pair of downwardly folded retention tabs are provided on opposite sides of the cover portion, the retention tabs projecting downwardly for retention within the channels.