CN202856078U - Card connector - Google Patents

Abstract

The utility model discloses a card connector, including an insulator, a plurality of terminals, a casing and one move back card mechanism. The shell is provided with a spring plate extending downwards, the spring plate is provided with an elastic cantilever extending backwards and inclining downwards, the free end of the cantilever extends downwards to form a sliding block, the rear side of the cantilever extends outwards to form an extending part, and the front end of the extending part inclines forwards upwards to form a pushing part; the card withdrawing mechanism is assembled on one side of the insulating body and comprises a sliding part and a spring which is abutted against and pressed between the rear end of the insulating body and the sliding part, a card pushing part is formed at the rear end of the sliding part, a sliding groove corresponding to the elastic sheet is formed in the upper surface of the sliding part, a stop block which can upwards elastically push the elastic sheet is upwards extended to the rear side of the bottom surface of the sliding groove, and a stop surface is formed at the front end of the stop block. The utility model discloses a shell fragment can elastically support or break away from the backstop piece, can be in the card locking or not lock the card state with the electronic card, avoids the electronic card to withdraw from easily and produces the condition of disconnected news.

Description

card connector

technical field

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

Background technique

A card connector for accommodating an electronic card. The card connector includes an insulating body and a plurality of terminals. The insulating body is provided with a card accommodating slot for accommodating an electronic card, and the insulating body is provided with a plurality of terminal slots. , a plurality of terminals are accommodated in the terminal groove, each terminal has a holding portion, an elastic arm formed by bending and extending from one end of the holding portion, a contact portion protruding from one end of the holding portion, and a contact portion extending from the holding portion When the electronic card is inserted into the card accommodating slot, the electronic card pushes against the end of the elastic arm and presses down to contact the contact portion, thereby forming an electrical connection.

However, the above-mentioned card connector does not have a card locking function, and the electronic card is easy to withdraw, resulting in disconnection.

Contents of the invention

The purpose of the utility model is to overcome the shortcomings in the above-mentioned prior art and provide a card connector with a card locking function.

In order to achieve the above purpose, the card connector provided by the utility model includes an insulating body, a plurality of terminals, a housing and a card ejecting mechanism. The insulative body is provided with a card accommodating groove and a plurality of terminal grooves for accommodating electronic cards; a plurality of terminals are accommodated in the terminal grooves in the insulative body; The shrapnel has an elastic cantilever that extends backwards and slopes downwards, the free end of the cantilever protrudes downwards to form a slider, the rear side of the cantilever extends outwards to form an extension, and the front end of the extension extends upwards and forwards to form a Pushing part; the card ejecting mechanism is assembled on one side of the insulating body, including a sliding part and a spring pressed between the rear end of the insulating body and the sliding part, and the rear end of the sliding part is formed with a pushing part for pushing the electronic card, The upper surface of the slider is provided with a chute corresponding to the shrapnel, and the rear side of the bottom surface of the chute protrudes upwards with a stop block that can be elastically pushed upward against the shrapnel, and the front end of the stop block forms a stop surface. Wherein, when the electronic card pushes the slider backward, the elastic piece slides relatively forward on the stop block, and when the electronic card is inserted in place, the elastic piece is moved by the stop block When the electronic card needs to be withdrawn, the shrapnel is driven upward by the external force to break away from the stop surface, and the spring drives the slider to slide forward. When the sliding member returns to the card-feeding position, the elastic piece also returns to its original position.

Wherein, the stop block has a slope in the same direction as the extension of the cantilever, and when the electronic card pushes the slider backward, the slider of the elastic piece is opposed to the slope. Slide forward and be pushed up.

Wherein, the front end of the slope surface is connected to the top end of the stop surface through a horizontal transition surface, and when an electronic card is plugged in place, the slider slides off from the transition surface.

Wherein, the rear end of the cantilever and the slider is smoothly connected with an abutment block with an arc-shaped cross section, and the abutment block slides from the stop block and then abuts against the stop surface.

Wherein, the rear end of the stopper is connected to the bottom surface of the chute and spaced apart from the rear end surface of the chute. When the electronic card is not inserted, the slider and the abutting block contact the stopper On the bottom surface of the chute between the stop block and the rear end surface of the chute, after the card is inserted in place, the slider and the abutting block contact the bottom surface of the chute on the front side of the stop block.

Wherein, a stop piece is formed on the top plate of the housing above the elastic piece to prevent the elastic piece from moving upwards excessively.

Wherein, the top plate has a punching groove located at the rear side of the elastic piece, and the stop piece protrudes from the front edge of the punching groove and is bent forward against the top plate to be above the rear side of the elastic piece. .

Wherein, an opening is provided on the side plate of the housing close to the elastic piece, a gap corresponding to the opening is provided on the side of the insulating body close to the card ejecting mechanism, and the sliding groove runs through the sliding member On the outside, the rear side of the cantilever extends outwards and protrudes outwards from the notch and opening to form the extension part. When the electronic card needs to be withdrawn, the pushing part is pushed upwards to drive the elastic piece to disengage. the stop surface.

Wherein, the card ejecting mechanism further includes a pushing member for pushing against the pushing portion.

Wherein, the front end of one side of the insulating body is provided with a holding block protruding forward and outward, the holding block is provided with a slot, and the front end of the housing is provided with a limit mechanism near the side of the elastic piece. The mechanism includes a holding shell extending forward and outward from the front end of the housing and a holding piece formed by bending and extending outward and downward on the edge of the top plate of the opening front end of the housing. The retaining groove is formed by bending the holding member to form a hole, and the pushing member passes through the groove and is held in the retaining groove and the hole.

As mentioned above, in the process of the electronic card pushing the slider backwards in the card connector of the present invention, the shrapnel slides relatively forward on the stop block, and when the electronic card is plugged in place, the shrapnel slides off the stop block It is elastically released downward and resists the stop surface. When the electronic card needs to be withdrawn, the shrapnel is driven upward by the external force to break away from the stop surface. The spring drives the slider to slide forward. When the slider returns to the card-in position, the shrapnel also recovers. to its initial position. The elastic piece can be elastically pressed against or disengaged from the stopper, so that the electronic card can be locked or unlocked, so as to avoid the situation that the electronic card is easily withdrawn and disconnected.

Description of drawings

FIG. 1 is a perspective view of a card connector and a circuit board of the present invention.

FIG. 2 is an exploded perspective view of the circuit board of the card connector shown in FIG. 1 .

FIG. 3 is an exploded perspective view of the card connector, circuit board and electronic card shown in FIG. 1 .

FIG. 4 is a state diagram of an unlocked state of the card connector shown in FIG. 1 .

FIG. 5 is a state diagram of locking the card of the card connector shown in FIG. 1 .

Wherein, the reference signs are explained as follows:

card connector 100

Insulation body 10 Card receiving slot 11

Bottom wall 12 Back wall 13

Side wall 14 Notch 141

The first terminal slot 15 The second terminal slot 16

Switch terminal slot 17 Accommodating slot 18

Retaining block 19 slotting 191

The first terminal 21 holding part 211

Elastic arm 212 Contact part 213

Welding part 214 Switch terminal 22

Shell 30 Top plate 31

Punching groove 311 side plate 32

Opening 321 Shrapnel 33

Cantilever 331 Slider 332

Abutting block 333 Extension part 334

Pushing part 335 stop piece 34

Holding shell 35 Holding groove 351

Holder 36 Hole 361

Sliding part 41 Push card part 411

Chute 412 Stop block 413

Stop surface 414 slope surface 415

Spring 42 push piece 43

Detailed ways

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 and Fig. 2, the card connector 100 of the present utility model is used for accommodating electronic cards, and this card connector 100 comprises an insulating body 10, a plurality of groups of terminals assembled on the insulating body 10, a housing 30 and a back card agency.

Referring to Fig. 2, the insulating body 10 is provided with a card receiving slot 11 (as shown in Fig. 1 ) and a plurality of terminal slots for accommodating electronic cards, and a bottom wall 12, a rear wall 13 and a bottom wall 12 are formed in the card receiving slot 11. On the two side walls 14, a plurality of first terminal slots 15 and a plurality of second terminal slots 16 extending to the rear wall 13 of the card receiving slot 11 and penetrating the bottom wall 12 up and down are arranged side by side on the bottom wall 12 of the card receiving slot 11 A switch terminal groove 17 is provided at one side of the rear end of the insulating body 10; a receiving groove 18 extending toward the insertion direction of the electronic card is provided at one side of the insulating body 10, and the front end of the side of the insulating body 10 away from the switch terminal groove 17 is forward A holding block 19 protrudes outward, and a slot 191 is formed on the holding block 19 .

The plurality of terminals are accommodated in the insulating housing 10 , and the plurality of terminals include a plurality of signal terminals 21 and a plurality of switch terminals 22 , and the switch terminals 22 are installed in the switch terminal groove 17 . Each signal terminal 21 has a long strip-shaped holding portion 211 extending forward and backward, an elastic arm 212 formed obliquely extending forward and upward from the front end of the holding portion 211 , and an elastic arm 212 protruding forward from the end of the elastic arm 212 and extending upward. The contact portion 213 to the card receiving slot 11 and a welding portion 214 extending backward from the holding portion 211 are formed. The welding portion 214 protrudes from the insulating body 10 .

Please refer to Fig. 1, Fig. 2 and Fig. 4, the housing 30 is covered on the insulating body 10, the housing 30 has a top plate 31 and two side plates 32 formed by bending and extending downward from both sides of the top plate 31, the shell One side of the top plate 31 of the body 30 is provided with an elastic piece 33 protruding downwards. The elastic piece 33 has an elastic cantilever 331 extending backward and inclined downward. The rear side of the cantilever 331 extends outward to form an extension 334. The front end of the extension 334 A pushing portion 335 is formed upwardly and forwardly. The free end of the cantilever 331 protrudes downward to form a slider 332, wherein the rear ends of the cantilever 331 and the slider 332 are smoothly connected with an abutment block 333 with an arc-shaped cross section, and the abutment block 333 has a roughly semicircular cross section. shape. A stop piece 34 is formed on the top plate 31 of the housing 30 above the elastic piece 33 to prevent the elastic piece 33 from moving up excessively. The top plate 31 has a punching groove 311 located at the rear side of the elastic piece 33 , the stop piece 34 protrudes from the front edge of the punching groove 311 and is bent forward against the top plate to be above the rear side of the elastic piece 33 . The side plate 32 of the casing 30 close to the elastic piece 33 has an opening 321, and the side wall 14 of the insulating body 10 has a gap 141 corresponding to the opening 321. The rear side of the cantilever 331 extends outward and is formed by the gap 141 and The opening 321 protrudes outward to form the extension portion 334 . The front end of the housing 30 is provided with a limit mechanism on the side close to the elastic piece 33. The limit mechanism includes a holding shell 35 extending forward and outward from the front end of the housing 30, and a holding shell 35 which is located at the front end of the opening 321 and bends and extends from the edge of the housing 30. The formed holding member 36 has a holding groove 351 extending through the middle of the holding shell 35 , and the holding member 36 is bent to form a hole 361 .

The card ejecting mechanism is assembled on one side of the insulating body 10, and includes a sliding part 41, a spring 42 pressed between the rear end of the insulating body 10 and the sliding part 41, and a pushing part 43. The rear end of the sliding part 41 forms a There is a card pushing part 411 for pushing the electronic card. The upper surface of the slider 41 is provided with a chute 412 corresponding to the shrapnel 33. The chute 412 runs through the outside and front end of the slider 41. The rear side of the bottom surface of the chute 412 protrudes upwards. The stop block 413 that can elastically push upward against the elastic piece 33, the front end of the stop block 413 forms a stop surface 414, and the stop block 413 has a slope 415 that is approximately the same as the extending direction of the cantilever 331. The resisting member 43 is used to push against the pushing portion 335 . The pushing member 43 passes through the slot 191 and is fixed in the holding slot 351 and the hole 361 .

Please refer to FIGS. 1 to 5. When the card connector 100 of the present invention is in operation, when the electronic card pushes the slider 332 forward, the slider 332 of the elastic piece 33 moves relatively forward on the slope 415. Swipe and be pushed up. The front end of the slope surface 415 is connected to the top of the stop surface 414 through a horizontal transition surface. When the electronic card is plugged in place, the slider 332 slides down from the transition surface, and the abutting block 333 is moved by the stop block. 413 slides and abuts against the stop surface 414 . The rear end of the stop block 413 is connected to the bottom surface of the chute 412 and is spaced from the rear end surface of the chute 412. When the electronic card is not inserted, the slider 332 and the contact block 333 contact the stop block 413 and the chute 412. On the bottom surface of the sliding groove 412 between the rear end surfaces of the stoppers, after the card is inserted in place, the sliding block 332 and the abutting block 333 contact the bottom surface of the sliding groove 412 on the front side of the stopper block 413 . When the electronic card needs to be withdrawn, the pushing portion 335 is pushed upwards to drive the elastic piece 33 away from the stop surface 414 . The spring 42 drives the slider 41 to slide forward, and when the slider 41 returns to the card-in position, the elastic piece 33 also returns to its initial position.

As mentioned above, when the electronic card is inserted into the card connector 100 of the present invention, when the electronic card pushes the slider 41 backward, the elastic piece 33 slides relatively forward on the stop block 413, and when the electronic card is inserted When in place, the elastic piece 33 slides down from the stop block 413 and elastically releases downward and resists the stop surface 414. When the electronic card needs to be withdrawn, the elastic piece 33 is driven upward by the external force to break away from the stop surface 414, and the spring 42 drives the slider 41 Sliding forward, when the slider 41 returns to the card-feeding position, the elastic piece 33 also returns to its initial position. The elastic piece 33 can be elastically pressed against or disengaged from the stop block 413, so that the electronic card can be locked or unlocked, so as to avoid the situation that the electronic card is easily withdrawn and disconnected.

Claims (10)

1. card connector, it is characterized in that: comprise an insulating body, a plurality of terminal, a housing and a trip mechanism, described insulating body is provided with card holding tank and a plurality of terminal groove; Described a plurality of terminal is contained in the interior terminal groove of described insulating body; Described housing is covered on the described insulating body, described housing is provided with a shell fragment that stretches out downwards, described shell fragment has one and extends back and downward-sloping flexible cantilever, the free end of described cantilever protrudes out downwards and forms a slide block, described cantilever rear side stretches out and forms an extension, and described extension front end upwards turns forward and extends to form a pushing section; Described trip mechanism is assembled in described insulating body one side, described trip mechanism comprises that a sliding part and presses on the spring between described insulating body rear end and the sliding part, described sliding part rear end is formed with and pushes away the card division, the upper surface of described sliding part offers a chute corresponding with described shell fragment, the bottom surface back of described chute upwards protrudes out the elasticity that can make progress and pushes against the stop block of described shell fragment, and the front end of described stop block forms stop surface; Wherein, promote backward in the process of described sliding part in electronic cards, described shell fragment is done slip relatively forward on described stop block, when the electronic cards grafting puts in place, downward elasticity discharges and keeps out at described stop surface described shell fragment by landing on the described stop block, when needs withdraw from electronic cards, described shell fragment is upwards driven by external force and breaks away from described stop surface, the described sliding part of described Spring driving is to front slide, when described sliding part was returned to into card position, described shell fragment also was returned to its initial position.

2. card connector as claimed in claim 1, it is characterized in that: described stop block has one identical with the extension incline direction of described cantilever domatic, promote backward in the process of described slide block in electronic cards, the slide block of described shell fragment is done slip relatively forward on domatic and is upwards pushed against in described.

3. card connector as claimed in claim 2, it is characterized in that: described domatic front end is connected to the top of described stop surface by the transition face of a level, pegs graft when putting in place when an electronic cards, and described slide block is by landing on this transition face.

4. card connector as claimed in claim 2, it is characterized in that: the rear end smooth connection of described cantilever and slide block has the curved butt piece in a cross section, and described butt piece is kept out at described stop surface after by landing on the described stop block.

5. card connector as claimed in claim 4, it is characterized in that: the rear end of described stop block is connected to the bottom surface of described chute and spaced apart with the rear end face of described chute, when not inserting electronic cards, described slide block and the contact of butt piece are on the bottom surface of the chute between the rear end face of described stop block and chute, after plug-in card put in place, described slide block and the contact of butt piece were in the bottom surface of the chute of described stop block front side.

6. card connector as claimed in claim 1 is characterized in that: form one on the top board of described housing and be positioned at the stop tab of described shell fragment top to prevent from moving on described shell fragment excessively.

7. card connector as claimed in claim 6, it is characterized in that: described top board has the die-cut groove that is positioned at described shell fragment rear side, and described stop tab is to be stretched out and be folded into forward described shell fragment back side top near described top board by described die-cut front of the slot edge.

8. card connector as claimed in claim 2, it is characterized in that: described housing offers an opening near the side plate of described shell fragment, described insulating body offers a breach corresponding with described opening near a side of described trip mechanism, described chute runs through the described sliding part outside, described cantilever rear side stretches out and forms described extension by described breach and opening part are protruding, when needs withdrawed from electronic cards, described pushing section was upwards pushed against and then is driven described shell fragment and broken away from described stop surface.

9. card connector as claimed in claim 1, it is characterized in that: described trip mechanism also comprises a push piece, is used for pushing against described pushing section.

10. card connector as claimed in claim 8, it is characterized in that: described insulating body one side front end is provided with a fixing piece to forward convex, described fixing piece is provided with a fluting, described housing front end is provided with a position-limit mechanism near described shell fragment one side, described position-limit mechanism comprise one from described housing front end stretch out forward the fixing shell and that forms in described open front housing top board edge the outside holding part that extends to form of bending downwards, described fixing shell middle part offers a holding slot before and after running through, described holding part is bent to form a hole slot, described push piece passes described fluting, is immobilizated in described holding slot and the hole slot.

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