TWM447003U - Card connector - Google Patents

Description

Card connector

The present invention relates to a card connector, and more particularly to a card connector for connecting a circuit board of a communication device and a subscriber identity card.

According to the first figure, the second figure and the third figure, a conventional card connector 100' for connecting a circuit board 80' of a communication device (not shown) and a user identification is disclosed. (Subscriber Identity Module, SIM) card 200', comprising an insulative housing 10', a plurality of conductive terminals 20' mounted on the insulative housing 10', a shielding housing 30', a slider 40', a thimble 50 'And a spring 60'. The insulative housing 10' includes a bottom wall 11', two side walls 12' extending upward from opposite sides of the bottom wall, and a rear wall 13' extending from the rear end of the bottom wall 11' and a side wall 12'. A front wall 14' to which the front end is connected. The bottom wall 11' is provided with a plurality of spaced-apart terminal slots 15'. The terminal groove 15' penetrates upwardly through the upper surface of the bottom wall and penetrates rearward through the rear surface of the bottom wall 11'. One side of the bottom wall 11' defines a sliding groove 16' extending in the front-rear direction to the rear surface of the front wall 14' and the front surface of the rear wall 13'. A fixing hole 141' is defined in the front wall 14'. The slider 40' includes a base portion 41' and a pushing portion 42' extending from one side of the slider 40'. A heart-shaped groove 411' is defined in the base portion 41' of the slider 40', and a stopper 412' is protruded from the groove wall at the bottom of the heart-shaped groove 411'. The conductive terminal 20' includes a holding arm 21', a contact arm 22' formed by the front end of the holding arm 21' extending obliquely forward and upward, and a welding arm 23' extending downward from the rear end of the holding arm 21'. .
The holding arm 21' of the conductive terminal 20' is disposed in the terminal slot 15' of the insulative housing 10'. The contact arm 22' protrudes from the upper portion of the terminal slot 15' and extends beyond the bottom wall 11' of the insulative housing 10'. The subscriber identity card 200' is electrically contacted and the soldering arm 23' extends from the rear of the terminal slot 15' for soldering to the circuit board 80'. The spring 60' is mounted in the sliding slot 16' of the insulative housing 10'. The slider 40' is slidably mounted on one side of the insulative housing 10' adjacent to the front wall 14', and the bottom of the base 41' extends into the chute. Within 16', the spring 60' is located between the rear wall 13' and the rear end of the bottom of the base 41'. One end of the ejector pin 50' is mounted in the fixing hole 141', and the other end is slidably located in the heart-shaped groove 411'. The shielding shell 30' is covered on the insulative housing 10', so that a socket space 70' is formed between the insulative housing 10' and the shielding housing 30'.
When the user identification card 200' is inserted into the docking space 70' of the card connector 100', the user identification card 200' is pushed backward, so that the user identification card 200' pushes the pushing portion 42' backward and drives the base portion 41' to move backward. The bottom rear end of the base portion 41' is compressed rearwardly by the spring 60' until the user identification card 200' is fully inserted into the docking space 70' of the card connector 100'. At this time, the stopper 412' blocks the thimble 50' to complete the lock. Card action. When the user identification card 200' is taken out of the docking space 70' of the card connector 100', the user identification card 200' is continuously pushed backward to separate the ejector pin 50' from the stopper 412', at which time the spring 60' bounces back. The initial state, thereby pushing the slider 40' to slide forward, causes the push-up portion 42' of the slider 40' to push the user identification card 200' forward, thereby completing the card-removal action.
However, the above-described card connector 100' only locks the thimble 50' through the stopper 412' of the slider 40' to complete the lock when the user identification card 200' is fully inserted into the insertion space 70' of the card connector 100'. The card action, however, when the user identification card 200' is pushed backwards, the ejector pin 50' is separated from the stop 412', at which time the spring 60' springs back to the initial state, thereby pushing the slider 40' to slide forward to make the slider The pushing portion 42' of the 40' pushes the user identification card 200' to move forward, so that the user identification card 200' can be easily extracted from the card connector 100', due to the unstable locking mode of the card connector 100'. The contact of the subscriber identity card 200' with the card connector 100' is unstable, thereby affecting the performance of the communication device.

The purpose of the present invention is to provide a card connector for connecting a circuit board of a communication device and a user identification card to the defects and deficiencies of the prior art.
To achieve the above object, the present invention provides a card connector including an insulative housing, a plurality of conductive terminals, a card ejecting mechanism, and a shielding housing. The insulative housing comprises a bottom wall, a first side wall and a second side wall extending upward from the side edges of the bottom wall, a front wall extending upward from a side of the front end of the bottom wall, and two rear ends of the bottom wall The two rear walls are formed to extend laterally upward, and a side of the bottom wall adjacent to the second side wall is recessed downwardly to extend in a front-rear direction to a front surface of the front wall and a front surface of the rear wall. The conductive terminal is mounted on the insulative housing; the ejecting mechanism includes a slider and a spring, and the spring is disposed in the sliding slot of the insulative housing. The sliding block is slidably disposed on a side of the insulating body adjacent to the second side wall, and includes a base portion located in the sliding slot, and a bottom portion of the base portion is disposed at a lower portion of the rear surface of the base portion and corresponding to the sliding slot to make the spring a pushing portion on the bottom wall of the insulating body formed by the rear end of one side of the base portion and the rear wall of the insulating body, which is formed by the rear end of the one side of the base portion And two clamping portions located in the sliding groove formed by horizontally extending from the front sides of the front edge of the base portion, and the middle rear portion of the upper surface of each clamping portion is upwardly protruded by a stopping portion, the front surface of the stopping portion It is perpendicular to the upper surface of the nip and is defined as the stop surface. The shielding shell is closed on the insulative housing, so that a socket space is formed between the shielding shell and the insulative housing for receiving the user identification card. The shielding housing includes a top plate, and a through hole is defined in one side of the top plate. The groove wall of the front end of the through hole is inclined downwardly and backward to form a elastic piece, and both sides of the front side edge of the elastic piece are respectively bent backward to form two abutting tops.
When the user identification card is inserted into the docking space of the creative card connector from the front to the rear, the user identification card pushes the pushing portion of the slider backward to slide back to slide the base of the slider backward. At this time, the spring is in a contracted state. When the user identification card is completely inserted into the docking space of the card connector, the abutting top of the spring abuts against the stopping surface of the stopping portion of the slider, so that the user identification card completes the card when fully inserted into the docking space of the card connector. The lock action of the connector. Therefore, the creative card connector has a stable locking mode to ensure stable contact between the user identification card and the card connector, thereby ensuring the performance of the communication device.

To clarify the technical content, structural features, objectives, and effects of the present invention, the embodiments are described in detail below with reference to the drawings.
Referring to FIG. 4, FIG. 5 and FIG. 8 , the creative card connector 100 is configured to connect a circuit board 80 of a communication device (not shown) and a Subscriber Identity Module (SIM) card 200. The device includes an insulative housing 10, a plurality of conductive terminals 20 mounted on the insulative housing 10, a first detecting terminal 31, a second detecting terminal 32, a shielding housing 40 and a retracting cover on the insulative housing 10. Card mechanism.
Referring to FIG. 4 , FIG. 5 and FIG. 7 , the insulative housing 10 includes a bottom wall 11 , and a first sidewall 12 and a second sidewall 13 extending upward from opposite sides of the bottom wall 11 . A front wall 14 extending upward from a side of the front end of the bottom wall 11 and two rear walls 15 extending upward from opposite sides of the rear end of the bottom wall 11 are formed. Further, the front wall 14 is coupled to the front end edge of the second side wall 13, and the rear wall 15 is coupled to the rear end edges of the first side wall 12 and the second side wall 13, respectively. A sliding groove 111 is recessed downwardly from a side of the bottom wall 11 adjacent to the second side wall 13. The sliding groove 111 extends in the front-rear direction to the rear surface of the front wall 14 and the front surface of the rear wall 15. A central portion of the rear surface of the front wall 14 projects rearwardly from a retaining block 141 that is coupled to the bottom wall of the sliding slot 111. The front surface of the rear wall 15 projects forwardly from a fixed post 151. A central portion of the upper surface of the front wall 14 and a central portion of the upper surface of the holding block 141 are recessed downward to form a guiding groove 142. A plurality of spaced-apart conductive terminal slots 112 are defined in the middle of the bottom wall 11. The conductive terminal slots 112 extend upwardly through the upper surface of the bottom wall 11 and extend rearward through the rear surface of the bottom wall 11. A switch terminal slot 113 is defined in the rear end of the bottom wall 11 adjacent to one side of the first side wall 12. The switch terminal groove 113 extends rearward through the rear surface of the bottom wall 11, and the middle portion penetrates the bottom wall 11 up and down. The central portions of the groove walls on both sides of the switch terminal slot 113 protrude from the two bearing portions 114. The outer surfaces of the first side wall 12 and the second side wall 13 respectively protrude outward from the plurality of fastening portions 16. A slot 152 is defined in an upper portion of the rear wall 15 connected to the first side wall 12, and a rear surface of the rear wall 15 connected to the second side wall 13 protrudes rearwardly from a fixing portion 153. A limiting block 131 is convexly formed in the upper direction of the rear portion of the inner surface of the second side wall 13.
Referring to FIG. 5 , the conductive terminals 20 are mounted on the insulative housing 10 . Each of the conductive terminals 20 includes a holding arm 21 . The front end of the holding arm 21 extends obliquely forward and upward, and further contacts are upwardly arched. The arm 22, and a welding arm 23 extending downward from the rear end of the holding arm 21 and bent back.
Referring to the fifth figure, the first detecting terminal 31 includes a first retaining portion 311 having a rectangular plate shape. A first slot 312 is defined in a central portion of the first retaining portion 311, and a slot at the front end of the first slot 312 is defined. The wall extends obliquely rearward and upward, and further arches upward to form a first contact portion 313. One side of the rear end edge of the first retaining portion 311 extends downwardly and is bent back to form a first welded portion 314. The second detecting terminal 32 includes a second retaining portion 321 having a rectangular plate shape. A second slot 322 is defined in a middle portion of the second retaining portion 321 . The slot wall of the front end of the second slot 322 extends rearward to form a second slot. The contact portion 323 extends from one side of the rear end edge of the second holding portion 321 downward and is bent back to form a second welded portion 324.
Referring to the fifth, sixth and seventh figures, the shielding shell 40 includes a top plate 41, two side plates 42 extending downward from the side edges of the top plate 41, and one side of the rear side edge of the top plate 41. a fastening plate 43 formed by extending downwardly, a connecting strip 45 extending downward from the other side of the rear side edge of the top plate 41, two welded plates 44 extending outward from the bottom edges of the side plates 42 and the top plate 41 A retaining plate 46 is formed between the buckle plate 43 and the insertion strip 45 and extends downwardly from the rear side edge. A through hole 411 is defined in one side of the top plate 41. The groove wall of the front end of the through hole 411 extends obliquely downward and rearward to form a elastic piece 412. Both sides of the rear side edge of the elastic piece 412 are respectively bent forward to form two abutting top portions 414. The middle portion of the rear side edge of the elastic piece 412 extends downward to form a blocking piece 415. Both sides of the upper surface of the elastic piece 412 are respectively recessed downward, so that two guide ribs 416 are formed on the bottom surface of the elastic piece 412. A guide rail 417 is formed between the two guide ribs 416.
The top plate 41 has a punching groove 418 on the rear side of the elastic piece 412. The front side groove edge of the punching groove 418 extends from a limiting piece 413 which abuts against the top plate 41 and is bent forward to the rear side of the elastic piece 412, and the limiting piece The 413 is connected to the top plate 41 and partially protrudes into the through hole 411 and is located above the elastic piece 412. Each of the side plates 42 defines a plurality of fastening holes 421 , and each of the fastening plates 43 defines a fixing hole 431 . A side arm 42 remote from the elastic piece 412 cuts a bullet arm 422 inwardly.
Referring to the fifth and eleventh drawings, the card ejecting mechanism includes a slider 50, a spring 60 and an operating lever 70. The slider 50 includes a base portion 51, and the rear end of the base portion 51 is turned toward the rear end. A pushing portion 52 formed by horizontally extending the side, and two clamping portions 53 formed by horizontally extending forward from both sides of the front end edge of the base portion 51. The middle rear portion of the upper surface of each of the clamping portions 53 is upwardly projected by a stopper portion 531. The front surface of the stopper portion 531 is perpendicular to the upper surface of the nip portion 53, and is defined as the stop surface 532. The two clamping portions 53 are spaced apart from each other such that a clamping groove 54 is formed between the two clamping portions 53. The rear portion of the upper edge of the base portion 51 away from the pushing portion 52 is recessed inwardly to form a limiting groove 511 extending through the upper portion of the rear surface of the base portion 51. The bottom portion of the base portion 51 is provided with a fastening groove 512 penetrating the lower portion of the rear surface of the base portion 51. The spring 60 is disposed in the sliding slot 111, and one end of the spring 60 is sleeved on the fixing post 151.
Referring to the seventh figure, the circuit board 80 has a rectangular plate shape, and the circuit board 80 is provided with a plurality of first pads 81 located at the rear end of the upper portion of the circuit board 80, and two of the two sides of the circuit board 80. Second pad 82.
Referring to the fourth, fifth, sixth, seventh and eleventh drawings, when the creative card connector 100 is assembled, first, each of the conductive terminals 20 is mounted in a direction from the back to the front. Insulating body 10. Specifically, the holding arm 21 is retained in the conductive terminal slot 112, the contact arm 22 protrudes through the upper portion of the conductive terminal slot 112 and exceeds the upper surface of the bottom wall 11 of the insulative housing 10, and the soldering arm 23 passes through the rear of the conductive terminal slot 112. Extending to the rear of the bottom wall 11 of the insulative housing 10. The first detecting terminal 31 is inserted into the upper portion of the switch terminal slot 113 in a direction from the rear to the front. Specifically, both sides of the first holding portion 311 are located on the two carrying portions 114, and the first contact portion 313 passes through the switch terminal slot. The upper portion of the middle portion of the 113 protrudes beyond the upper surface of the bottom wall 11, and the first welded portion 314 protrudes from the rear end of the bottom wall 11 through the rear end of the upper portion of the switch terminal groove 113. The second detecting terminal 32 is inserted into the lower portion of the switch terminal slot 113 in a direction from the rear to the front. Specifically, both sides of the second holding portion 321 are located on both sides of the bottom slot wall of the switch terminal slot 113, and the second contact The portion 323 is located directly below the first contact portion 313 and corresponds to the lower portion of the middle portion of the switch terminal groove 113, and the second welded portion 324 protrudes from the rear portion of the bottom wall 11 through the rear end of the lower portion of the switch terminal groove 113. The welding arm 23 of the conductive terminal 20, the first soldering portion 314 of the first detecting terminal 31, and the second soldering portion 324 of the second detecting terminal 32 are flush with each other.
The slider 50 is slidably disposed on a side of the insulative housing 10 adjacent to the second sidewall 13 , the base portion 51 is located in the sliding slot 111 , the fastening slot 512 corresponds to the sliding slot 111 , and the spring 60 is disposed in the sliding slot 111 , and One end of the spring 60 is sleeved on the fixing post 151, and the other end of the spring 60 abuts against the inner side of the front groove wall of the engaging groove 512. Therefore, the spring 60 is pressed between the end groove wall of the engaging groove 512 of the slider 50 and the rear wall 15 of the insulating body 10. The pushing portion 52 is located on the bottom wall 11 of the insulative housing 10 , and the two clamping portions 53 are located in the sliding slot 111 , and the clamping block 141 is clamped in the clamping slot 54 . The limiting block 131 is limited to the limiting slot 511.
The shielding case 40 is capped on the insulative housing 10 such that a plug-in space 90 is formed between the top plate 41 of the shielding case 40 and the bottom wall 11 of the insulative housing 10. The fastening portion 16 is fastened into the fastening hole 421 , the fixing portion 153 is fixed in the fixing hole 431 , and the insertion strip 45 is inserted into the slot 152 . The retaining plate 46 is located at the rear of the bottom wall 11. The elastic piece 412 is located above the holding block 141. The operating lever 70 can extend into or be removed from the insertion space 90 of the card connector 100 along the guiding slot 142 of the insulative housing 10 and the guide rail 417 of the shielding housing 40.
When the present card connector 100 is mounted on the circuit board 80, the soldering arm 23, the first soldering portion 314, and the second soldering portion 324 are soldered to the first pad 81. The solder plate 44 is soldered to the second pad 82.
Referring to the fourth to ninth figures, when the user identification card 200 is inserted into the docking space 90 of the present card connector 100 from the front to the rear, the user identification card 200 pushes the pushing portion 52 of the slider 50 to slide backward to drive the sliding. The base 51 of the block 50 slides rearward. The limiting block 131 of the insulative housing 10 is limited to the limiting slot 511 of the slider 50, which can effectively ensure that the slider 50 slides smoothly backward. At this time, the spring 60 is located between the end groove wall of the engaging groove 512 and the rear wall 15 of the insulating body 10, and is in a contracted state. When the user identification card 200 is fully inserted into the docking space 90 of the card connector 100, the abutting top 414 of the elastic piece 412 abuts against the stopping surface 532 of the stopping portion 531 of the slider 50 to complete the card locking action of the card connector 100. . The elastic arm 422 of the shielding case 40 abuts against one side of the user identification card 200, so that the user identification card 200 is firmly inserted into the insertion space 90 of the card connector 100. The retaining plate 46 of the shielding case 40 prevents the user identification card 200 from being inserted into the insertion space 90 of the card connector 100, causing an over-insertion. The contact arm 22 of the conductive terminal 20 is in contact with the metal piece on the subscriber identity card 200 to electrically connect the card connector 100 to the subscriber identity card 200 such that the circuit board 80 is coupled to the subscriber identity card 200 via the card connector 100. The user identification card 200 is pressed against the upper portion of the first contact portion 313 of the first detecting terminal 31 such that the bottom of the first contact portion 313 of the first detecting terminal 31 and the upper portion of the second contact portion 323 of the second detecting terminal 32 are In contrast, the detection function of the first detecting terminal 31 and the second detecting terminal 32 is realized.
Referring to FIG. 4 to FIG. 11 , when the user identification card 200 is withdrawn from the docking space 90 of the present card connector 100 , the operating lever 70 is along the guiding slot 142 of the insulative housing 10 and the shielding housing 40 . The guide rail 417 extends into the insertion space 90 of the card connector 100. When the operating lever 70 moves backward, the elastic piece 412 of the shielding case 40 is lifted upward to disengage the elastic piece 412 from the stop surface 532. At this time, the spring 60 springs back in a free state, and the push slider 50 is slid forward, and the operating lever 70 continues to move backward until the rear surface of the operating lever 70 abuts against the blocking piece 415 of the shielding case 40. At this time, the stopper piece 415 is located on the rear surface of the operation lever 70 and the front surface of the base portion 51. The limiting piece 413 of the shielding case 40 prevents the operating lever 70 from excessively lifting the elastic piece 412, so that the elastic piece 412 exceeds the maximum elastic stress that it can withstand, thereby causing permanent deformation. At this time, the user identification card 200 can be smoothly taken out from the docking space 90 of the card connector to complete the card ejecting action of the card connector 100. The bottom of the first contact portion 313 of the first detecting terminal 31 is separated from the upper portion of the second contact portion 323 of the second detecting terminal 32, thereby realizing the detecting function of the first detecting terminal 31 and the second detecting terminal 32. The operating lever 70 can be replaced with a needle or a stylus or the like.
In summary, the present card connector 100 abuts against the stop surface 532 of the stop portion 531 of the slider 50 by the abutting top portion 414 of the elastic piece 412 of the shielding case 40, so that the user identification card 200 is fully inserted. When the card connector 100 is inserted into the space 90, the card connector 100 is locked. When the user identification card 200 is to be withdrawn from the docking space 90 of the author card connector 100, an operating lever 70 is guided along the guide. The slot 142 extends into the insertion space 90 of the card connector 100. When the operating lever 70 moves backward, the elastic piece 412 is lifted up, and the elastic piece 412 is disengaged from the stop surface 532, thereby completing the card retracting action of the card connector 100. . Therefore, the authoring card connector 100 has a stable locking mode to stabilize the contact between the user identification card 200 and the card connector 100, thereby ensuring the use performance of the communication device.

100‧‧‧Card connector 10‧‧‧Insulated body 11‧‧‧Bottom wall 111‧‧‧ Side wall 112‧‧‧Electrical terminal slot 113‧‧‧Switch terminal slot 114‧‧‧ Carrying part 12‧‧‧ first Side wall 13‧‧‧Second side wall 131‧‧‧Limited block 14‧‧‧ Front wall 141‧‧‧Clock block 142‧‧ Guide groove 15.‧‧ Back wall 151‧‧‧Fixed column 152‧‧ ‧Slot 153‧‧‧Fixed part 16‧‧‧Withholding part 200‧‧‧User identification card 20‧‧‧Electrical terminal 21‧‧‧Retaining arm 22‧‧‧Contact arm 23‧‧‧ Welding arm 31‧‧ ‧First detection terminal 311‧‧‧First holding part 312‧‧‧First slot 313‧‧‧First contact part 314‧‧‧First soldering part 32‧‧‧Second detecting terminal 321‧‧‧ Second holding part 322‧‧‧Second slot 323‧‧‧Second contact part 324‧‧‧Second welding part 40‧‧‧Shading housing 41‧‧‧ top plate 411‧‧‧ 412‧‧‧Shrap 413‧‧‧Limited piece 414‧‧‧Right to the top 415‧‧ ‧Brace piece 416‧‧‧ Guide rib 417‧‧‧ Guide 418‧‧‧ Punching groove 42‧‧‧ Side plate 421 ‧‧‧Buckle hole 422‧‧‧Boom arm 43‧‧‧Buckle plate 431‧‧‧Fixed hole 44‧‧‧welding plate 45‧‧‧Insert strip 46‧‧‧Brace plate 50‧‧‧ Slider 51‧‧‧ Base 511‧‧‧ Limiting groove 512‧‧‧Retaining groove 52‧‧‧Pushing part 53‧‧‧Clamping part 531‧‧‧ Stopping part 532‧‧‧ Stop surface 54‧‧ ‧Clamping groove 60‧‧‧spring 70‧‧‧operating rod 80‧‧‧circuit board 81‧‧‧first pad 82‧‧‧second pad 90‧‧‧ docking space

The first figure is a perspective view of a conventional card connector.
The second figure is a partially exploded view of the card connector shown in the first figure.
The third figure is a perspective view of the card connector shown in the first figure soldered to the circuit board with the state of the subscriber identity card inserted therein.
The fourth figure is a perspective view of the creative card connector.
The fifth figure is an exploded perspective view of the card connector shown in the fourth figure.
Figure 6 is a perspective view of the shield housing of the card connector shown in the fourth figure.
The seventh figure is a perspective view of the card connector shown in the fourth figure soldered to the circuit board.
The eighth figure is a perspective view in which the card connector shown in the fourth figure is soldered to the circuit board, and the state of the subscriber identity card is inserted therein.
Figure 9 is an enlarged view of the portion of the card connector shown in Figure 8 soldered to the circuit board VIII.
The tenth figure is a perspective view of the state in which the author card connector is soldered to the circuit board, and the user identification card inserted in the card connector is withdrawn by the operating lever.
The eleventh figure is a cross-sectional view showing a state in which the author card connector is soldered to a circuit board, and the operation lever is used to eject the user identification card inserted in the card connector.

100‧‧‧ card connector

10‧‧‧Insulated body

16‧‧‧Deduction Department

200‧‧‧User Identification Card

40‧‧‧Shaded housing

412‧‧‧Shrap

413‧‧‧Limited Movies

414‧‧‧ arrive at the top

421‧‧‧ Snap hole

44‧‧‧welding board

531‧‧‧stop

532‧‧‧ stop surface

70‧‧‧Operator

80‧‧‧ boards

82‧‧‧second pad

90‧‧‧Dock space

Claims (9)

A card connector for connecting a circuit board and a user identification card, the card connector comprising:
An insulative housing includes a bottom wall, a first side wall and a second side wall extending upward from opposite side edges of the bottom wall, a front wall extending upward from a side of the front end of the bottom wall, and a rear wall formed by the bottom wall a rear wall extending upwardly from the end, a sliding groove is recessed downwardly from a side of the bottom wall adjacent to the second side wall, and the sliding groove extends in a front-rear direction to a front surface of the front wall and a front surface of the rear wall;
a plurality of conductive terminals mounted on the insulative body;
a card retracting mechanism includes a spring and a slider, the spring is disposed in the sliding slot of the insulative housing; the slider is slidably mounted on a side of the insulative housing adjacent to the second sidewall, and includes a slot in the slot a bottom portion of the base portion is provided with a fastening groove extending through the lower portion of the rear surface of the base portion and corresponding to the sliding groove, and the spring is pressed against the front end groove wall of the engaging groove of the slider and the rear wall of the insulating body Horizontally extending from one end of the base side to one side to form a pushing portion on the bottom wall of the insulative housing, and two of the two slots formed in the chute extending horizontally from both sides of the front end edge of the base portion a clamping portion, the middle rear portion of the upper surface of each clamping portion is upwardly protruded by a stopping portion, the front surface of the stopping portion is perpendicular to the upper surface of the clamping portion, and is defined as a stop surface; and a shielding shell And a cover space is formed between the shielding shell and the insulative housing for receiving the user identification card, the shielding housing includes a top plate, and a through hole is formed in one side of the top plate. The front wall of the groove extends obliquely downward to form a bullet , Respectively, on both sides of the rear edge of elastic piece is bent rearwardly to form the top two abutment;
Wherein, when the user identification card is inserted into the docking space from front to back, the user identification card pushes the pushing portion of the slider to slide backward to drive the base of the slider to slide backward. At this time, the spring is in a contracted state, when the user identification card is fully inserted. When the card connector is inserted into the space, the abutting top of the elastic piece abuts against the stopping surface of the stopping portion of the slider, thereby completing the card locking action of the card connector. The card connector of claim 1, wherein a central portion of the rear surface of the front wall of the insulative housing protrudes rearwardly from a clamping block connected to a bottom wall of the sliding slot, between the clamping portions A clamping groove is formed, and the holding block is clamped in the clamping groove. The card connector of claim 2, wherein the middle portion of the upper surface of the front wall of the insulating body and the middle portion of the upper surface of the holding block are recessed downward to form a guiding groove on the bottom surface of the elastic piece. Forming two guiding ribs, forming a guide rail between the two guiding ribs, a middle portion of the rear side edge of the elastic piece extending downward to form a blocking piece; the card connector further comprising an operating rod, the operating rod is along the guiding groove And the guide rail extends into the insertion space of the card connector, and the operating rod moves backwards to push up the elastic piece of the shielding shell, so that the elastic piece is disengaged from the stop surface, the spring rebounds to a free state, and the slider is pushed forward. When sliding, the operating lever continues to move backward until the rear surface of the operating lever abuts against the blocking piece. The card connector of claim 3, wherein the operating lever is replaceable with a needle or a back stitch. The card connector of claim 3, wherein the blocking piece is located on a rear surface of the operating lever and a front surface of the base. The card connector of claim 3, wherein the top plate has a punching groove on the rear side of the elastic piece, and the front side groove edge of the punching groove extends to abut against the top plate and is bent forward to the elastic piece. A limiting piece on the upper side, the limiting piece is connected to the top plate and partially protrudes into the through hole and is located above the elastic piece. The card connector of claim 1, wherein a rear limit portion of the inner surface of the second side wall is convexly formed with a limiting block, and an upper edge of the base portion away from the pushing portion is recessed inwardly. A limiting slot extends through the upper portion of the rear surface of the base, and the limiting block is limited to the limiting slot. The card connector of claim 1, wherein a bottom end of the bottom wall adjacent to a side of the first side wall defines a switch terminal slot, and the switch terminal slot extends rearward through the rear surface of the bottom wall, and the middle portion thereof The bottom of the slot wall of the switch terminal slot protrudes from the bottom of the slot, and the card connector further includes a first detecting terminal and a second detecting terminal. The first detecting terminal is inserted in the switch. The upper part of the terminal slot and the second detecting terminal are inserted in the lower part of the switch terminal slot. The card connector of claim 8, wherein the first detecting terminal comprises a first retaining portion having a rectangular plate shape, and both sides of the first retaining portion are located on the two carrying portions, and the first retaining portion is a first slot is formed in the middle portion, and the slot wall of the front end of the first slot extends obliquely rearward and upward, and further arches upward to form a first contact portion extending above the middle portion of the switch terminal slot and exceeding the upper surface of the bottom wall a side of the rear end edge of the first retaining portion extends downwardly, and then bent backward to form a first soldering portion which is soldered to the circuit board through a rear end of the upper portion of the switch terminal slot protruding from the rear portion of the bottom wall; The detecting terminal includes a second holding portion of a rectangular plate shape, a second slot is formed in a central portion of the second retaining portion, and a slot wall at a front end of the second slot extends rearward to form a second contact portion at the first contact portion. Below, one side of the rear end edge of the second holding portion extends downward and is bent back to form a second welded portion.