TWI388090B - Electrical card connector - Google Patents

Description

Electronic card connector

The present invention relates to an electronic card connector, and more particularly to an electronic card connector having a lock card and a guiding function.

The prior art related to the present invention can be referred to the Taiwan Patent No. M300892, published on November 11, 2006, which discloses an electronic card connector including an insulating body, a conductive terminal set, a card ejecting mechanism and a metal piece. The insulating body includes a bottom wall defining a front and rear ends, two side walls, a receiving portion defined by the bottom wall and the two side walls, and an opening portion disposed at a front end of the bottom wall and communicating with the receiving portion. The card ejecting mechanism is mounted on one side wall of the insulative housing, and includes a bar member provided with a card pushing portion. When the card pushing portion is stressed, the bar member moves between the starting position and the positioning position after the card is retracted in the front-rear direction. The metal sheet body is disposed inside the side wall of the card ejecting mechanism and includes a facing surface facing the receiving portion. The other side wall of the insulating body is provided with a locking mechanism.

The metal piece body is installed in the middle part of the insulating body, and has the function of preventing the side wall from being worn. When the electronic card is in contact with the metal piece body, there is also a certain guiding function. However, the electronic card has no guiding mechanism when inserted, and cannot The smoothness and stability of the electronic card at the beginning of insertion are ensured, and the side wall of the electronic card is in contact with the side wall of the insulating body. After repeated use, the inner side of the side wall of the insulating body is severely worn.

Therefore, it is necessary to modify the conventional electronic card connector to overcome the drawbacks described in the prior art.

In view of the above, the purpose of the present invention is to provide an electronic card connector having a lock card and a guiding function.

The purpose of the present invention is achieved by the following technical solution: an electronic card connector for plugging an electronic card, comprising: an insulative housing, the insulative housing includes a plug-in surface at the front end, and a recessed surface from the rear of the plug-in surface The accommodating space for accommodating the electronic card and the first side wall of the accommodating space; the plurality of conductive terminals, the conductive terminal is fixed on the insulating body; the shielding shell is fastened to the insulating body; And a metal elastic piece, the metal elastic piece is disposed on the first side wall, the metal elastic piece includes a rear end portion and a front end portion, and the rear end portion is provided with a fixing portion, and the one end of the self-fixing portion extends obliquely forward toward the receiving space. The first extending portion and the locking portion extending from the first extending portion into the receiving space, the locking portion is used for locking the electronic card; the front end portion is disposed adjacent to the insertion surface and is bent and extended The first contact surface of the accommodating space is located at one side of the accommodating space and is used for guiding the insertion of the electronic card when the electronic card is inserted.

The purpose of the present invention can also be achieved by the following technical solution: an electronic card connector includes: an insulative housing, the insulative housing includes a mating surface at the front end, a receiving space recessed from the rear surface of the plugging surface, and the receiving space a first side wall of the space; a metal elastic piece, the metal elastic piece is disposed on the first side wall, the metal elastic piece includes a rear end portion and a front end portion, and the rear end portion is provided with a fixing portion, and one end of the fixing portion is received a first extending portion extending obliquely forwardly from the first extending portion and a locking portion extending from the first extending portion into the receiving space, wherein the locking portion is used for locking an electronic card; Connecting and bending into the first contact surface of the receiving space, the first contact surface is located on one side of the receiving space and is used for the electronic The electronic card is inserted when the card is inserted; and the mounting portion is disposed on the first side wall, the mounting portion includes a discontinuous first mounting portion, a second mounting portion, and the first and the second a mounting groove between the mounting portions, the rear end of the metal elastic piece is fixed on the second mounting portion, the front end of the metal elastic piece is fixed on the first mounting portion, and the first extending portion is located in the mounting groove. The locking portion protrudes into the receiving space from the mounting slot.

Compared with the prior art, the electronic card connector of the present invention is provided with a metal elastic piece on the first side wall, and the metal elastic piece is provided with a locking portion and a self-insertion surface that is bent and extended into the receiving space and located on the side of the receiving space. The first contact surface is used for locking the card to ensure the stability of the contact between the electronic card and the conductive terminal, and the first contact surface is used for guiding the insertion of the electronic card to ensure that the electronic card is just inserted. Smoothness and stability.

Referring to the first to third figures, the electronic card connector 100 of the present embodiment is used for plugging in an electronic card 200, which includes an insulative housing 1, a plurality of conductive terminals 2, a shielding housing 3, a metal dome 4, and a first A detection terminal 5.

As shown in the second to third embodiments, the insulative housing 1 is provided with a mounting wall 11 at the rear end, a mating surface 14 at the front end, and a recessed rearward from the mating surface 14 for receiving the electronic card 200. The accommodating space 10 and the first and second side walls 12 and 13 that are located on both sides of the accommodating space 10 and communicate with the accommodating space 10. The mounting wall 11 is provided with a plurality of receiving slots 111 for receiving the conductive terminals 2, and the receiving slots 111 are arranged in a lateral direction. A receiving groove 17 for accommodating the metal dome 312 of the shielding case 3 is disposed behind the insulating body 1 . The first side wall 12 includes a discontinuous first mounting portion 15, a second mounting portion 16, and a mounting slot 19 and a position sandwiched between the first and second mounting portions 15, 16. The protrusions 121 are disposed in the mounting groove 19 and are separated from the first and second mounting portions 15 and 16 , and the protrusions 121 are pressed against the locking portion 423 to prevent the locking portion 423 from being excessively deformed to protrude first. The side wall 12 enables the locking portion 423 to be deformed within a fixed range without affecting the locking function of the locking portion 423. The first mounting portion 15 is provided with a first mating surface 151 extending in the insertion direction of the electronic card 200 and located inside the first mounting portion 15 , a front end surface 152 adjacent to the mating surface 14 , and a first mating surface 151 and a front end surface 152 . The front surface 152 is located at the rear end of the mating surface 14 . The first mounting portion 15 is disposed parallel to the front end surface 152 and connected to the extending end of the first mating surface 151, the end surface 154, the upper surface 150, and the second slot 155 recessed from the upper surface 150 and extending through the rear end surface 154 . The second mounting portion 16 is substantially rectangular and is provided with an upper surface 160 , a first slot 161 recessed from the upper surface 160 and extending through the extended end of the second mounting portion 16 . The second mounting portion 16 is provided with a pressing portion 162 extending in the card retracting direction and exposed to the receiving space 10 and a second slot 163 recessed from the upper surface 160 and extending through the receiving space 10, the second The slot 163 communicates with the first slot 161 , and the second mounting portion 16 is provided with an end surface 164 that connects the first slot 161 and the pressing portion 162 .

The shielding shell 3 is stamped and bent from a metal sheet, and includes a top surface 31 and a first holding wing 32 and a second holding wing 33 which are bent downward from both sides of the top surface 31. The top surface 31 of the shielding shell 3 is provided with a cover groove 311. The shielding shell 3 is stamped and formed with a metal elastic piece 312. The metal elastic piece 312 is received in the receiving groove 17 of the insulating body 1. The metal dome 312 is configured to form a switch with the first detecting terminal 5 mounted on the insulative housing 1 for detecting whether the electronic card 200 is inserted.

In the embodiment, the metal dome 4 includes a front end portion 41 and a rear end portion 42 . The front end portion 41 is bent and extends into the receiving space 10 near the front end surface 152 and is located in the receiving space 10 . a first contact surface 411 on the side, a stop surface 412 perpendicular to the first contact surface 411, and a slope 413 connecting the first contact surface 411 and the stop surface 412. The stop surface 412 is attached to the front end surface 152 and is inserted Face 14 is flush. The front end portion 41 is provided with a second abutting surface 415 parallel to the blocking surface 412 and connecting the extended end of the first contact surface 411 and a first abutting surface extending from the extending end of the second abutting surface 415 toward the blocking surface 412 414. The extended end of the first mating face 414 is not connected to the stop face 412. The rear end portion 42 is provided with a fixing portion 421 , a first extending portion 422 extending from one end of the fixing portion 421 into the mounting groove 19 , and an extending end from the first extending portion 422 is further bent and protruded into the receiving space 10 . The locking portion 423. The rear end portion 42 is provided with a first bonding surface 424 opposite to the fixing portion 421 and exposed to the receiving space 10 , a connecting fixing portion 421 and a first bonding surface 424 , a rear surface 425 and a first bonding surface 424 . The extending end is away from the second bonding surface 426 which is bent and extended by the receiving space 10.

After the front end portion 41 and the rear end portion 42 of the metal dome 4 are mounted into the first and second mounting portions 15 and 16, the first contact surface 411 is pressed against the first mating surface 151, and the blocking surface 412 is The front end surface 152 is pressed against the mating slope 153, the second mating surface 415 is pressed against the rear end surface 154, and the first mating surface 414 is retained in the second slot 155. The portion 421 is held in the first slot 161, the first abutting surface 424 is pressed against the pressing portion 162, and the rear stop surface 425 is retained in the second slot 163, the second fitting Face 426 is pressed against end face 164. In this way, the metal dome 4 can be firmly fixed to the first side wall 12.

Referring to the fourth to fifth embodiments, in addition to the first embodiment, the electronic card connector 100 of the present invention can also achieve the purpose of the present invention in the second embodiment. The electronic card connection in the second embodiment The structure of the electronic device 100 is substantially the same as that of the electronic card connector 100 of the first embodiment. The main difference between the two embodiments is that, in the first embodiment, the metal domes 4 are separately provided. In the second embodiment, the metal dome 4' is integrally provided, and has a simple structure, and is convenient to manufacture and install. The rear end portion 42' of the metal dome 4' is the same as the rear end portion 42 of the metal dome 4 in the first embodiment. The rear end portion 42' is mounted on the second mounting portion 16'. The front end portion 41' of the metal dome 4' is slightly different from the front end portion 41 of the metal dome 4 in the first embodiment, and the metal dome 4' is provided with a connection rear end portion 42' and a front end portion 41'. The second extending portion 64, the front end portion 41' of the metal elastic piece 4' is provided adjacent to the insertion surface 14' and extends into the first contact surface 63 of the receiving space 10', opposite to the first contact surface 63 and a second contact surface 61 connected to the end of the second extending portion 64 and a blocking surface 62 extending perpendicularly from the extending end of the second contact surface 61 toward the receiving space 10 ′, the blocking surface 62 and the mating surface 14 ′ It is flush and connected to the first contact surface 63. The metal dome 4 ′ is provided with an elastic surface 65 extending obliquely from the extending end of the first contact surface 63 away from the receiving space, and the elastic surface 65 forms a protrusion 66 with the first contact surface 63 , and the elastic surface 65 The extended end is not connected to the extended end of the first contact surface 61. The second mounting portion 16' in the second embodiment is the same as the second mounting portion 16 in the first embodiment. The first mounting portion 15' in the second embodiment is slightly different from the first mounting portion 15 in the first embodiment. In the second embodiment, the first mounting portion 15' is provided with an upper surface 185, a first slot recessed downward from the upper surface 185 and extending through the first mounting portion 15' front and rear. 181. The first end slot 181 is connected to the first slot 181 and extends toward the receiving space 10'. The front end surface 182 and the extending end of the front end surface 182 extend obliquely toward the receiving space 10' and are exposed to the receiving space 10'. The first mating surface 180 is provided with a first mating inclined surface 183 extending obliquely rearward from a distal end of the first mating surface 180 toward the receiving space 10 ′, the first mounting portion 15 ′ There is a second mating ramp 184 connecting the first mating slope 183 to the end and the first slot 181. The second contact surface 61 is engaged in the first slot 181. The first contact surface 63 is matched with the first mating surface 180. The blocking surface 62 is pressed against the front end surface 182. The elastic surface 65 is pressed. The first mating inclined surface 184 is pressed against the first engaging inclined surface 183. The second engaging inclined surface 184 is matched with the second extending portion 64. A gap between the protruding portion 66 and the first mating surface 180 for elastically deforming the protruding portion 66 is provided.

Referring to the sixth to seventh embodiments, in addition to the first and second embodiments, the third embodiment of the electronic card connector 100 can also achieve the purpose of the present invention. In the third embodiment, The electronic card connector 100" is mostly identical in structure to the electronic card connector 100, 100' in the first and second embodiments. The third embodiment is more similar to the second embodiment, and the metal dome 4 in the third embodiment The "front end portion 41" is the same as the front end portion 41' in the second embodiment, and the metal spring piece 4" rear end portion 42" in the third embodiment is slightly different from the metal spring piece 4' rear end portion 42' in the second embodiment. The difference is that the rear end portion 42" is different from the rear end portion 42' in that the rear end portion 42" is provided with a fixing portion 421", and the first extending portion 422 extending from one end of the fixing portion 421" into the mounting groove 19"" And extending from the extending end of the first extending portion 422" into the locking portion 423" in the receiving space 10". The locking portion 423" is provided from the end toward the first contact The face 61' extends a second extension 64' that is coupled to the extended end of the first contact face 61'. The second mounting portion 16" in the third embodiment is slightly different from the second mounting portion 16' in the second embodiment. The second mounting portion 16" is provided with an end surface 191, an upper surface 190, and an upper surface 190. The first slot 192 that is recessed downwardly and penetrates the end surface 191 and the pressing portion 193 that is exposed to the receiving space 10 ′′ and is connected to the end surface 191 , the fixing portion 421 ′′ is locked in the first slot 192 .

100, 100’, 100”‧‧‧electronic card connectors

200‧‧‧electronic card

1‧‧‧Insulating body

10, 10’, 10” ‧ ‧ accommodating space

11‧‧‧Installation wall

111‧‧‧ Reception trough

12‧‧‧First side wall

121‧‧‧Bumps

13‧‧‧Second side wall

14, 14'‧‧‧ Plug-in

15, 15'‧‧‧First Installation Department

150, 160, 185, 190‧‧‧ upper surface

151‧‧‧ first mating surface

152‧‧‧ front end

153‧‧‧With the bevel

154‧‧‧ rear end face

155‧‧‧second slot

16, 16', 16" ‧ ‧ second installation

161‧‧‧first slot

162‧‧‧Resistance Department

163‧‧‧second slot

164‧‧‧ end face

17‧‧‧storage trough

180‧‧‧ first mating surface

181‧‧‧first slot

182‧‧‧ front end

183‧‧‧First mating bevel

184‧‧‧Second mating bevel

19, 19” ‧‧‧ installation slot

191‧‧‧ end face

192‧‧‧first slot

193‧‧‧Resistance Department

2‧‧‧Electrical terminals

3‧‧‧Shaded housing

31‧‧‧ top surface

311‧‧‧ Cover

312‧‧‧Metal shrapnel

32‧‧‧First card holding wing

33‧‧‧Second card holding wing

4, 4', 4" ‧ ‧ metal shrapnel

41, 41’, 41” ‧ ‧ front end

411‧‧‧ first contact surface

412‧‧ ‧ facing

413‧‧‧Slope

414‧‧‧ first docking surface

415‧‧‧ second docking surface

42, 42’, 42” ‧ ‧ back end

421, 421" ‧ ‧ fixed section

422, 422" ‧ ‧ first extension

423, 423" ‧ ‧ locks

424‧‧‧First fit surface

425‧‧‧Back face

426‧‧‧Second fitting surface

5‧‧‧First detection terminal

61‧‧‧second contact surface

62‧‧ ‧ facing

63‧‧‧First contact surface

64‧‧‧Second extension

65‧‧‧Flexible surface

66‧‧‧Protruding

The first figure is a three-dimensional combination diagram of the first embodiment of the present electronic card connector.

The second figure is a partial perspective combination of the electronic card connector in the first figure.

The third figure is an exploded perspective view of the electronic card connector in the first figure.

The fourth figure is a partial perspective combination diagram of the second embodiment of the present electronic card connector.

The fifth figure is an exploded perspective view of the electronic card connector in the fourth figure.

The sixth figure is a partial perspective combination of the third embodiment of the present electronic card connector.

The seventh figure is an exploded perspective view of the electronic card connector in the sixth figure.

100‧‧‧electronic card connector

11‧‧‧Installation wall

111‧‧‧ Reception trough

121‧‧‧Bumps

13‧‧‧Second side wall

14‧‧‧Interface

15‧‧‧First Installation Department

16‧‧‧Second Installation Department

17‧‧‧storage trough

2‧‧‧Electrical terminals

3‧‧‧Shaded housing

31‧‧‧ top surface

311‧‧‧ Cover

312‧‧‧Metal shrapnel

32‧‧‧First card holding wing

33‧‧‧Second card holding wing

41‧‧‧ front end

42‧‧‧ Back end

5‧‧‧First detection terminal

Claims (24)

An electronic card connector for inserting an electronic card, comprising: an insulative housing, wherein the insulative housing comprises a plug-in surface at the front end, a receiving space for receiving the electronic card from the rear of the plug-in surface, and a receiving space for receiving the electronic card a first side wall of one side of the space, a first mounting portion is disposed at a front end of the first side wall adjacent to the mating surface, and the first mounting portion includes a first mating surface extending along a card insertion direction and located inside the first mounting portion a plurality of conductive terminals, the conductive terminals are fixed on the insulative housing; the shielding shell is fastened to the insulative housing; and the metal dome is disposed on the first side wall, the metal dome The rear end portion and the front end portion are provided with a fixing portion, a first extending portion extending obliquely forward from the one end of the fixing portion toward the receiving space, and further extending from the first extending portion into the receiving space. The latching portion is configured to lock the electronic card; the front end portion is provided with a first contact surface that is adjacent to the mating surface and extends into the receiving space, and the first contact surface is located at the side of the receiving space With the first Together with the face should be used to guide the electronic card into the electronic card is just inserted. The electronic card connector of claim 1, wherein the first mounting portion is provided at an end surface of the front end of the mating surface, and the front end of the metal dome is provided with a block attached to the front end surface. The surface is flush with the mating surface. The electronic card connector of claim 2, wherein the first mounting portion is provided with a matching inclined surface connecting the first mating surface and the front end surface, and the metal elastic piece is provided with the first contact surface and the blocking surface. The inclined surface, the matching inclined surface and the inclined surface are pressed against each other. The electronic card connector of claim 1, wherein the first side wall rear end is provided with a second mounting portion, the second mounting portion is provided with an upper surface and is recessed and penetrated from the upper surface a first slot extending from an end of the second mounting portion, the fixing portion being retained in the first slot. The electronic card connector of claim 4, wherein the rear end portion is provided with a first bonding surface opposite to the fixing portion and exposed to the receiving space, and the second mounting portion is provided with a back card The direction extends and is exposed to the pressing portion of the accommodating space, and the first bonding surface is pressed against the pressing portion. The electronic card connector of claim 5, wherein the rear end portion is provided with a connection fixing portion and a first bonding surface rear stop surface, and the second mounting portion is provided with a downward concave surface from the upper surface. And a second slot connected to the receiving space, wherein the rear stop surface is retained in the second slot. The electronic card connector of claim 1, wherein the first side wall is provided with a discontinuous first mounting portion, a second mounting portion, and an installation between the first and second mounting portions. a groove, the rear end of the metal elastic piece is fixed on the second mounting portion, the front end of the metal elastic piece is fixed on the first mounting portion, the first extending portion is located in the mounting groove, and the locking portion is self-installing The slot protrudes into the receiving space. The electronic card connector of claim 7, wherein the front end portion and the rear end portion of the metal dome are disposed. The electronic card connector of claim 7, wherein the first side wall is provided with a bump located in the mounting groove and partitioned from the first and second mounting portions, the bump being used for The locking portion is pressed against the excessive deformation of the locking portion to protrude the first side wall. The electronic card connector of claim 7, wherein the metal dome is integrally provided, and the metal dome is provided with a connecting front end and a rear end. The second extension of the department. The electronic card connector of claim 1, wherein the metal dome has a second contact surface opposite to the first contact surface and an elastic surface extending from the first contact surface, the first contact surface A protrusion protruding into the receiving space is formed with the elastic surface, and a gap between the protrusion and the first mating surface for elastically deforming the protrusion is provided. The electronic card connector of claim 11, wherein the first mounting portion is provided with a first mating inclined surface extending obliquely rearward from a first mating surface end away from the receiving space, the elastic surface and The first mating ramp is pressed against. An electronic card connector includes: an insulative housing, the insulative housing includes a mating surface at the front end, a receiving space recessed from the rear surface of the plugging surface, and a first side wall on a side of the receiving space; a metal dome, The metal elastic piece is disposed on the first side wall, the metal elastic piece includes a rear end portion and a front end portion, and the rear end portion is provided with a fixing portion, a first extending portion extending from the one end of the fixing portion toward the receiving space obliquely forward and The first extending portion is further bent to extend into the locking portion in the receiving space, wherein the locking portion is used for locking the electronic card; the front end portion is provided with a first contact adjacent to the insertion surface and extending into the receiving space The first contact surface is located on one side of the receiving space and is used for guiding the insertion of the electronic card when the electronic card is inserted; and the mounting portion is disposed on the first side wall, and the mounting portion includes the discontinuity a first mounting portion, a second mounting portion, and a mounting groove sandwiched between the first and second mounting portions, the rear end of the metal dome is fixed to the second mounting portion, and the front end of the metal dome is fixed On the first installation department, The first extending portion of the mounting groove, the locking portion from the mounting groove projecting into the receiving space. The electronic card connector of claim 13, wherein the first mounting portion is adjacent to the mating surface and is provided with a first mating surface extending along the insertion direction of the electronic card and located inside the mounting portion, the first The contact surface cooperates with the first mating surface. The electronic card connector of claim 14, wherein the front end of the first mounting portion is provided with a front end surface, and the front end portion of the metal elastic piece is provided with a blocking surface attached to the front end surface, the blocking portion The surface is flush with the mating surface. The electronic card connector of claim 15, wherein the first mounting portion is provided with a matching inclined surface connecting the first mating surface and the front end surface, and the metal elastic piece is provided with the first contact surface and the blocking surface. The inclined surface, the matching inclined surface and the inclined surface are pressed against each other. The electronic card connector of claim 13, wherein the second mounting portion is located at a rear end of the first side wall and is provided with an upper surface and is recessed downward from the upper surface and extends through the extended end of the second mounting portion The first slot, the fixing portion is held in the first slot. The electronic card connector of claim 13, wherein the rear end portion is provided with a first bonding surface opposite to the fixing portion and exposed to the receiving space, and the second mounting portion is provided with a back card The direction extends and is exposed to the pressing portion of the accommodating space, and the first bonding surface is pressed against the pressing portion. The electronic card connector of claim 18, wherein the rear end portion is provided with a connection fixing portion and a first bonding surface rear stop surface, and the second mounting portion is provided with a downward concave surface from the upper surface. And a second slot connected to the receiving space, wherein the rear stop surface is retained in the second slot. The electronic card connector of claim 13, wherein the front end portion and the rear end portion of the metal elastic piece are disposed. The electronic card connector of claim 13, wherein the A side wall is provided with a protrusion located in the mounting groove and partitioned from the first and second mounting portions, and the protrusion is pressed against the locking portion to prevent the locking portion from being excessively deformed to protrude the first side wall. The electronic card connector of claim 13, wherein the metal dome is provided with a second extension integrally connecting the front end portion and the rear end portion. The electronic card connector of claim 14, wherein the metal dome has a second contact surface opposite to the first contact surface and an elastic surface extending from the first contact surface, the first contact surface A protrusion protruding into the receiving space is formed with the elastic surface, and a gap between the protrusion and the first mating surface for elastically deforming the protrusion is provided. The electronic card connector of claim 23, wherein the first mounting portion is provided with a first mating slope extending obliquely rearward from a first mating surface end away from the receiving space, the elastic surface and The first mating ramp is pressed against.