CN205488697U - Card connector - Google Patents

Abstract

The utility model discloses a card connector, which comprises an insulating body, a first shell, a second shell, a plurality of terminals and a fixing piece, wherein the insulating body is provided with a base part, a tongue part and an extending part which is formed by extending backwards from the middle part of the rear surface of the base part; the first shell fixedly coats the extension part and coats two sides of the base part; the second shell fixedly covers the base part and covers two sides of the tongue body part, and two sides of the second shell cover the parts of the first shell, which cover two sides of the base part; the plurality of terminals comprise a first conductive terminal and a second conductive terminal; the fixing piece, the first conductive terminal and the second conductive terminal are integrally formed in the mold and fixedly installed in the fixing groove. The utility model discloses the position of the reducible conductive terminal's of card connector equipment number of times and fixable terminal protects conductive terminal non-deformable.

Description

card connector

technical field

The utility model relates to a connector, in particular to a card connector.

Background technique

A conventional card connector includes an insulating body, several conductive terminals and a casing. The insulating body is provided with several conductive terminal slots, the conductive terminals are fixedly installed in the conductive terminal slots, and the shell covers the insulating body.

When the above-mentioned card connector is assembled, the conductive terminals need to be assembled on the insulating body one by one, which increases the assembly efficiency of the conductive terminals and easily causes the deformation of the conductive terminals.

Utility model content

The purpose of the utility model is to provide a card connector for the disadvantages of the above-mentioned prior art. The card connector can reduce the assembly times of the conductive terminals and protect the conductive terminals from deformation.

In order to achieve the above object, the utility model provides a card connector, including an insulating body, a first housing, a second housing, several terminals and a fixing piece, the insulating body has a base, a front surface from the base The tongue body formed by the middle part protruding forward and an extension part formed by protruding backward from the middle part of the back surface of the base part. An insertion space extending to the extension part is provided from the front end of the tongue part rearward, and the base part is under the extension part. A fixing groove is opened on the rear surface forward, and several conductive terminal grooves are opened upwards on the lower surface of the extension part and the top wall of the fixing groove, which communicate with the insertion space and the fixing groove; Cover both sides of the base; the second shell fixes and covers the base of the insulating body and covers both sides of the tongue, and the two sides of the second shell cover the parts on both sides of the base of the first shell; several terminals It includes several first conductive terminals and several second conductive terminals; the fixing piece is integrally molded with the several first conductive terminals and the several second conductive terminals and fixedly installed in the fixing groove of the insulating body, and the several first conductive terminals A conductive terminal and several second conductive terminals extend upward through the conductive terminal slot into the insertion space.

As a further improvement, the plurality of first conductive terminals and the plurality of second conductive terminals are arranged laterally in parallel in two rows behind and front.

As a further improvement, each of the first conductive terminals has a strip-shaped first holding portion, an extension portion formed by bending and extending backward from the upper end of the first holding portion, and an extension portion extending obliquely upward and backward from the end of the extension portion. A first abutting portion formed by extending downward and obliquely backward and a first welding portion formed by bending and extending backward from the lower end of the first holding portion, each second conductive terminal has a long strip-shaped second holding portion , a second abutting portion formed from the upper end of the second holding portion obliquely extending upwards and backwards and then extending downwards and obliquely backwards, and a second welding portion formed by bending and extending backwards from the lower end of the second holding portion, the first holding portion The lower part of the lower part and the lower part of the second holding part are integrally formed in the fixing part, the rear ends of the first welding part and the second welding part protrude from the rear surface of the fixing part, the first abutting parts of several first conductive terminals and several second The second abutting portion of the conductive terminal extends into the insertion space through the conductive terminal slot.

As a further improvement, a stop platform is provided at the rear end of the conductive terminal slot, extending backward from the end of the first abutting portion to form a first stop, and extending backward from the end of the second abutting portion to form a second stop. The stopper, the first stopper and the second stopper are stopped under the stopper platform.

As a further improvement, the height of the first abutting portion extending into the insertion space is higher than the height of the second abutting portion extending into the insertion space.

As a further improvement, the lower ends of both sides of the base are respectively provided with a holding groove communicating with the fixing groove. The holding block is held in the holding groove and fixed on the insulating body.

As a further improvement, two fixing slots are opened forward at the junction between the rear surface of the base and the extension, and several protrusions are protruded from the base, and the first shell includes a top plate, a bottom plate, two side plates and a rear plate , the top plate, the bottom plate, the two side plates and the rear plate cover the extension part, and the two side plates extend to both sides of the base, and the two sides of the front edge of the top plate respectively protrude forward to form a fixed plate, and the fixed plate is fixed in the fixed card slot The second housing includes a front substrate, an upper substrate, a lower substrate and two side substrates. Outside the part covering both sides of the base of the first shell, at least one locking groove is opened on the upper base plate, the lower base plate and one side base plate, and the protrusion is locked in the locking slot.

As a further improvement, several accommodating grooves extending to both sides of the base are provided on both sides of the extension, and the several accommodating grooves include a first accommodating groove on one side of the extension and the base, a The second accommodating groove below the slot and a third accommodating groove located on the other side of the extension and the base, the card connector also includes several functional terminals, several functional terminals are installed in the insulating body, and several functional terminals It includes a first function terminal, a second function terminal and a third function terminal, the first function terminal is accommodated in the first accommodation groove, the second function terminal is accommodated in the second accommodation groove, and the third function terminal is accommodated in the second accommodation groove. The terminal is accommodated in the third accommodating groove.

As a further improvement, the front ends of the first accommodating groove and the second accommodating groove are respectively opened inwardly with a slot communicating with the insertion space, the first accommodating groove, the second accommodating groove and the third accommodating groove At least one holding groove is provided respectively. The first functional terminal has a long strip-shaped first fixing part, a first elastic joint part formed by arching inward from the front end of the first fixing part and then extending forward, and a The rear end of the first fixing part is bent and extended inward to form the first clamping part; the second functional terminal has a long strip-shaped second fixing part, which is bent upwards and extended from the front end of the second fixing part and then bent backward The second bending part formed by bending and extending, several second elastic joint parts formed by bending and extending inward from the rear end of the second fixing part, and several second elastic joint parts formed by bending and extending inward from both sides of the second fixing part Two clamping parts; the third functional terminal has a third fixing part roughly in the shape of a "claw", the third fixing part has a first fixing foot extending forward and backward in the middle, and a first fixing foot extending upward from the rear Extend forward to form the second fixed foot and a third fixed foot below the first fixed foot. The periphery of the foot is bent and extended inward to form several third clamping parts. The first elastic joint part and the third elastic joint part extend into the insertion space through the slot, and the second elastic joint part is placed on the outermost first conductive part. Below the end of the first abutting portion of the terminal, the first clamping portion, the second clamping portion and the third clamping portion are clamped in the holding groove.

As mentioned above, the card connector of the present invention is molded integrally with several first conductive terminals and several second conductive terminals through the fixing piece, and is fixedly installed in the fixing groove of the insulating body in two horizontally parallel arrangements in front and back, so that The assembly frequency of the conductive terminal is reduced and the position of the terminal can be fixed, so that the conductive terminal is not easily deformed.

Description of drawings

FIG. 1 is a perspective view of an embodiment of the card connector of the present invention.

FIG. 2 is a perspective view from another angle of the card connector shown in FIG. 1 .

FIG. 3 is an exploded perspective view of the card connector shown in FIG. 1 .

FIG. 4 is a perspective view of the insulating body of the card connector shown in FIG. 1 .

FIG. 5 is a perspective view from another angle of the insulating body of the card connector shown in FIG. 1 .

FIG. 6 is an exploded perspective view of the card connector shown in FIG. 1 from another angle.

Each reference numeral in the figure is explained as follows.

Electrical connector 100 first insulating body 10

Top plate 11 Terminal slot 111

card connector 100 insulating body 10

base 11 retaining slot 111

Fixing slot 112 Protrusion 113

Tongue 12 Extension 13

First storage tank 131 Second storage tank 132

The third receiving slot 133 slotting 134

Retaining groove 135 Plug-in space 14

Fixing slot 15 Conductive terminal slot 16

Stop platform 17 first housing 20

Top plate 21 Fixing plate 211

Bottom panel 22 Side panels 23

Rear plate 24 Second housing 30

Front base plate 31 Socket 311

Upper base plate 32 card slot 321

Lower base plate 33 Side base plate 34

The first conductive terminal 41 the first holding part 411

Extension 412 First abutment 413

First welding part 414 First stopper part 415

The second conductive terminal 42 the second holding part 421

Second abutting portion 422 Second welding portion 423

Second stopper 424 First function terminal 43

The first fixed part 431 The first elastic joint part 432

The first clamping part 433 The second function terminal 44

Second fixing part 441 Second bending part 442

The second splice part 443 The second clamping part 444

The third function terminal 45 The first fixed pin 451

Second fixing foot 452 Third fixing foot 453

The third splice part 454 The third clamping part 455

Fasteners 50 Base Blocks 51

Hold block 52.

detailed description

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Please refer to FIG. 1 , FIG. 2 and FIG. 3 , the card connector 100 of the present invention includes an insulating body 10 , a first housing 20 , a second housing 30 , several terminals and a fixing member 50 .

3, 4 and 5, the insulating body 10 has a base 11, a tongue 12 protruding forward from the middle of the front surface of the base 11, and a tongue protruding backward from the middle of the rear surface of the base 11. The extension part 13 formed has an insertion space 14 extending from the front end of the tongue part 12 to the extension part 13. The base part 11 is provided with a fixing groove 15 on the rear surface below the extension part 13. The lower surface of the extension part 13 is Several conductive terminal grooves 16 communicating with the insertion space 14 and the fixing groove 15 are opened upwards on the top wall of the fixing groove. Specifically, the insertion space 14 is used for inserting an SD card. The lower ends of both sides of the base 11 are provided with a holding groove 111 communicating with the fixing groove 15, and two fixing cards are provided at the junction between the rear surface of the base 11 and the extension 13. Groove 112, several protrusions 113 protrude from the base 11, several accommodating grooves (not shown in the figure) extending to both sides of the base 11 are provided on both sides of the extension part 13, and several accommodating grooves include a 13 and the first accommodating groove 131 on one side of the base portion 11 , a second accommodating groove 132 located below the first accommodating groove 131 , and a third accommodating groove 133 located on the other side of the extension portion 13 and the base portion 11 . The front ends of the first accommodating groove 131 and the third accommodating groove 133 respectively define a slot 134 communicating with the insertion space 14 inwardly, the first accommodating groove 131, the second accommodating groove 132 and the third accommodating groove 133 At least one holding groove 135 is defined therein. A stop platform 17 is provided at the rear end of the conductive terminal groove 16 .

The first casing 20 is fixed to cover the extension portion 13 of the insulating body 10 and covers both sides of the base portion 11 . Specifically, the first housing 20 includes a top plate 21, a bottom plate 22, two side plates 23 and a rear plate 24, the top plate 21, the bottom plate 22, the two side plates 23 and the rear plate 24 cover the extension part 13, and the two sides The plate 23 extends to both sides of the base 11 , and the two sides of the front edge of the top plate 21 respectively protrude forward to form a fixing plate 211 , and the fixing plate 211 is fixed in the fixing slot 112 .

The second shell 30 is fixed to cover the base 11 of the insulating body 10 , and covers both sides of the tongue 12 . And the two sides of the second shell 30 cover the parts of the first shell 20 covering both sides of the base 11 . Specifically, the second housing 30 includes a front substrate 31, an upper substrate 32, a lower substrate 33 and two side substrates 34, the front substrate 31, an upper substrate 32, a lower substrate 33 and two side substrates 34 cover the base 11, And cover both sides of the tongue body 12 . The two side substrates 34 cover the parts of the first shell 20 covering both sides of the base 11 . The front base 31 defines an insertion port 311 corresponding to the insertion space 14 . The upper base 32 , the lower base 33 and one side base 34 define at least one locking slot 321 , and the projection 113 is locked in the locking slot 321 .

Please continue to refer to Fig. 3 and Fig. 6, several terminals include several first conductive terminals 41, several second conductive terminals 42 and several functional terminals 43, 44, 45, and several functional terminals 43, 44, 45 are installed on Insulation body 10. Specifically, each first conductive terminal 41 has a strip-shaped first holding portion 411 , an extension portion 412 formed by bending and extending backward from the upper end of the first holding portion 411 , and an extension portion 412 formed from the end of the extension portion 412 upwards and backwards. A first abutting portion 413 is formed by extending obliquely downwards and backwards, and a first welding portion 414 is formed by bending and extending backwards from the lower end of the first holding portion 411 . Each second conductive terminal 42 has an elongated second holding portion 421 , a second abutting portion 422 extending obliquely upward and backward from the upper end of the second holding portion 421 and then extending obliquely downward and rearward, and a second abutting portion 422 formed from the upper end of the second holding portion 421 The lower end of the second holding portion 421 is bent and extended backward to form a second welding portion 423 . Extending backward from the end of the first abutting portion 413 forms a first stop portion 415, extends backward from the end of the second abutting portion 422 to form a second stop portion 424, the first stop portion 415 and the second stop portion The stop portion 424 is stopped under the stop platform 17 .

The several functional terminals include a first functional terminal 43, a second functional terminal 44 and a third functional terminal 45, the first functional terminal 43 has a strip-shaped first fixing part 431, and a first fixing part 431 from the first The front end of the part 431 is arched inward and then extends forward to form a first elastic joint part 432 and a first clamping part 433 formed by bending and extending inward from the rear end of the first fixing part 431; the second functional terminal 44 It has a long strip-shaped second fixing part 441, a second bending part 442 formed by bending upwards from the front end of the second fixing part 441 and then bending and extending backwards, and inward from the rear end of the second fixing part 441. Several second elastic joints 443 formed by bending and extending and several second clamping portions 444 formed by bending and extending inward from both sides of the second fixing portion 441; the third functional terminal 45 has a substantially “claw ”-shaped third fixing portion (not marked in the figure), the third fixing portion has a first fixing foot 451 extending forward and backward located in the middle, a first fixing foot 451 extending upward from the rear end of the first fixing foot 451 and extending forward to form a second fixing foot. Two fixing feet 452 and a third fixing foot 453 located below the first fixing foot 451 . The end of the first fixing leg 451 is arched inward to form a third spring joint portion 454 . The end of the second fixing leg 452 and the periphery of the third fixing leg 453 are bent inward to form a plurality of third clamping portions 455 .

The fixing member 50 has a one-piece base block 51 , and two sides of the base block 51 respectively protrude outward to form a clamping block 52 . The fixing member 50 is integrally molded with several first conductive terminals 41 and several second conductive terminals 42, and is fixedly installed in the fixing groove 15 of the insulating body 10, and several first conductive terminals 41 and several second conductive terminals The conductive terminal 42 extends upward through the conductive terminal slot 16 into the insertion space 14 . The fixing member 50 is locked in the locking groove 111 by the locking block 52 so as to be fixed on the insulating body 10 . The lower part of the first holding part 411 of the first conductive terminal 41 and the lower part of the second holding part 421 of the second conductive terminal 42 are integrally formed in the fixing part 50, and the rear ends of the first welding part 414 and the second welding part 423 extend out of the fixing part 50 on the rear surface, several first conductive terminals 41 and several second conductive terminals 42 are arranged horizontally in parallel in the rear and front two rows, the first abutting portion 413 of the several first conductive terminals 41 and the several second conductive terminals 42 The second abutting portion 422 extends into the insertion space 14 through the conductive terminal groove 16, and the height of the first abutment portion 413 extending into the insertion space 16 is higher than that of the second abutment portion 422 extending into the insertion space 16. high.

Please refer to FIG. 1 to FIG. 6 , when the card connector 100 of the present invention is assembled, the lower part of the first holding part 411 of the first conductive terminal 41 and the lower part of the second holding part 421 of the second conductive terminal 42 are integrally formed in the fixing part 50 , the rear ends of the first welding portion 414 and the second welding portion 423 protrude from the rear surface of the fixing member 50 . Then the fixing part 50 is fixed in the fixing groove 15 of the insulating body 10, and the fixing part 50 is clamped in the holding groove 111 by the clamping block 52 so as to be fixed on the insulating body 10; the first abutting part 413 and the second abutting part The connection part 422 extends into the insertion space 14 through the conductive terminal groove 16, the first stopper part 415 and the second stopper part 424 are stopped under the stop platform 17, and the first abutment part 413 extends into the insertion space 16. The height is higher than the height of the second abutting portion 422 protruding into the insertion space 16 . The first functional terminal 43 is accommodated in the first accommodating groove 131, the second functional terminal 44 is accommodated in the second accommodating groove 132, and the third functional terminal 45 is accommodated in the third accommodating groove 133; The elastic connection portion 432 and the third elastic connection portion 454 extend into the insertion space 14 through the slot 134 , and the second elastic connection portion 443 is disposed below the end of the first abutting portion 413 of the outermost first conductive terminal 41 . The first locking portion 433 , the second locking portion 444 and the third locking portion 455 are locked in the holding groove 135 . The first housing 20 is fixedly wrapped and installed on both sides of the extension part 13 and the base part 11 of the insulating body 10, and the fixing plate 211 is fixed in the fixing slot 112 so as to hold the first housing 20 on the insulating body 10; The second shell 30 is fixedly wrapped and installed on both sides of the tongue portion 12 and the base portion 11 of the insulating body 10 and covers the first shell 20 on both sides. The body 30 is fixed on the insulating body 10 .

As mentioned above, the card connector 100 of the present invention is molded integrally with several first conductive terminals 41 and several second conductive terminals 42 through the fixing member 50 and is fixedly mounted on the insulating body 10 in two transverse parallel arrangements. In the fixing groove 112, the number of assembly times of the conductive terminals can be reduced and the positions of the terminals can be fixed, so as to protect the conductive terminals from being easily deformed.

Claims (9)

1. A card connector, characterized in that: it includes an insulating body, a first housing, a second housing, several terminals and fixing parts, the insulating body has a base, and a front surface from the middle of the base. The protruding tongue body and an extension formed from the middle of the rear surface of the base protrude backwards. A plug-in space extending to the extension is provided from the front end of the tongue. The rear surface of the base below the extension faces There is a fixed slot in the front, and several conductive terminal slots connected with the insertion space and the fixed slot are opened upwards on the lower surface of the extension part and the top wall of the fixed slot; side; the second shell fixes and covers the base of the insulating body and covers both sides of the tongue, and the two sides of the second shell cover the parts on both sides of the base of the first shell; several terminals include several a plurality of first conductive terminals and a plurality of second conductive terminals; the fixing piece is molded integrally with the plurality of first conductive terminals and the plurality of second conductive terminals and fixedly installed in the fixing groove of the insulating body, and the plurality of first conductive terminals The terminal and several second conductive terminals extend upward through the conductive terminal slot into the insertion space. 2 . The card connector as claimed in claim 1 , wherein the plurality of first conductive terminals and the plurality of second conductive terminals are arranged horizontally in parallel in two rows behind and front. 3 . 3. The card connector according to claim 1, characterized in that: each of the first conductive terminals has a long strip-shaped first holding portion, and an upper end of the first holding portion that is bent and extended backwards. The extension part, a first abutting part formed by extending upward and backward from the end of the extension part and then extending downward and backward, and a first welding part formed by bending and extending backward from the lower end of the first holding part, each of the first The two conductive terminals have an elongated second holding portion, a second abutting portion formed by extending obliquely upward and backward from the upper end of the second holding portion, and then extending obliquely downward and backward, and a second abutment portion extending backward from the lower end of the second holding portion The second welding part formed by bending and extending, the lower part of the first holding part and the lower part of the second holding part are integrally formed in the fixing part, the rear ends of the first welding part and the second welding part protrude from the back surface of the fixing part, several first The first abutting portion of the conductive terminal and the second abutting portion of the plurality of second conductive terminals extend through the conductive terminal groove into the insertion space. 4. The card connector according to claim 3, characterized in that: the rear end of the conductive terminal groove is provided with a stop platform, which extends backward from the end of the first abutting part to form a first stop part, The ends of the two abutting parts extend backward to form a second stop part, and the first stop part and the second stop part stop under the stop platform. 5 . The card connector as claimed in claim 3 , wherein a height of the first abutting portion extending into the insertion space is higher than a height of the second abutting portion extending into the insertion space. 6. The card connector according to claim 1, characterized in that: the lower ends of both sides of the base are respectively provided with a holding groove communicating with the fixing groove, the fixing piece has a one-piece base block, and the two sides of the base block are respectively A clamping block is formed outwardly, and the fixing piece is clamped in the clamping groove by the clamping block to be fixed on the insulating body. 7. The card connector according to claim 1, characterized in that: two fixing slots are opened forward at the junction of the rear surface of the base and the extension, and several protrusions are protruded from the base, and the first housing includes A top board, a bottom board, two side boards and a rear board, the top board, the bottom board, the two side boards and the rear board cover the extension part, and the two side boards extend to both sides of the base, and the two sides of the front edge of the top board protrude forward respectively A fixing plate is formed, and the fixing plate is fixed in the fixing slot; the second housing includes a front substrate, an upper substrate, a lower substrate and two side substrates, and the front substrate, an upper substrate, a lower substrate and two side substrates cover the base And cover both sides of the tongue body, the two side boards cover the parts on both sides of the first casing covering the base, at least one locking groove is opened on the upper board, the lower board and one side board, and the protrusion is held on the card slot. 8. The card connector according to claim 1, wherein a plurality of accommodation grooves extending to both sides of the base are provided on both sides of the extension, and the plurality of accommodation grooves include one located between the extension and the base. The first accommodation slot on the side, a second accommodation slot located below the first accommodation slot, and a third accommodation slot located on the other side of the extension and the base. The card connector also includes several functional terminals. A functional terminal is installed in the insulating body, and several functional terminals include a first functional terminal, a second functional terminal and a third functional terminal, the first functional terminal is accommodated in the first accommodating groove, and the second functional terminal It is accommodated in the second accommodating groove, and the third functional terminal is accommodated in the third accommodating groove. 9. The card connector according to claim 8, characterized in that: the front ends of the first accommodating groove and the second accommodating groove respectively define a slot communicating with the insertion space inwardly, and the first accommodating groove , The second accommodating groove and the third accommodating groove are respectively provided with at least one holding groove, and the first functional terminal has a strip-shaped first fixing part, which is arched inward from the front end of the first fixing part and then The first spring-joint part extending forward and a first clamping part formed by bending and extending inward from the rear end of the first fixing part; the second functional terminal has a long strip-shaped second fixing part, a The front end of the second fixing part is bent and extended upwards, and then the second bending part is formed by bending and extending backwards, several second elastic joint parts are formed by bending and extending inwards from the rear end of the second fixing part, and several second elastic joints are formed from the second The second clamping part is formed by bending and extending the two sides of the fixing part inward; the third functional terminal has a third fixing part roughly in the shape of a "claw", and the third fixing part has a first front and back extending in the middle. Fixed foot, a second fixed foot formed by extending upward from the rear end of the first fixed foot and extending forward, and a third fixed foot positioned below the first fixed foot. The end of the first fixed foot is arched inward to form a third fixed foot. Elastic connection part, the end of the second fixed foot and the peripheral edge of the third fixed foot are bent and extended inward to form several third clamping parts, the first elastic connection part and the third elastic connection part extend into the insertion space through slots, The second elastic connection part is placed below the end of the first contact part of the outermost first conductive terminal, and the first clamping part, the second clamping part and the third clamping part are clamped in the holding groove.