TWI483486B - Pallet and electronic card connector - Google Patents

Description

Tray and electronic card connector

The present invention relates to a tray and an electronic card connector including the tray, and more particularly to a tray for holding an electronic card and an electronic card connector for preventing reverse insertion of the tray.

The electronic card connector is used for plugging an electronic card as a medium for electrically connecting the electronic card to the circuit board. In order to prevent the user from inserting the electronic card in the wrong direction, the electronic card cannot form a correct electrical connection with the electronic card connector. Therefore, the general electronic card connector is designed to prevent mis-insertion according to the shape of the electronic card, for example, a type of anti-missing structure disclosed in Taiwan Patent No. 532533 (corresponding to Chinese Patent No. CN01228673.7, corresponding to US Pat. No. 6,476,630). Electronic card connector.

However, the error-proof construction of such an electrical connector is not suitable for use with a combination of tray-carrying electronic cards. Therefore, how to avoid mis-insertion of the tray requires additional design. Moreover, when using the tray to carry the electronic card, how to avoid the electronic card falling off and avoiding the tray interfering with the electronic card and the electrical connector to form an electrical connection are all problems to be solved.

Accordingly, it is an object of the present invention to provide a tray that can carry an electronic card and hold the electronic card to prevent the electronic card from falling out.

Another object of the present invention is to provide an electronic card connector that can prevent a tray carrying an electronic card from being mistakenly inserted.

According to an aspect of the present invention, an electronic card connector of the present invention comprises a a tray, an insulative housing, a plurality of terminals disposed on the insulative housing, and a metal cover. The tray is integrally formed by a metal plate for accommodating an electronic card having a chamfer for positioning. The tray comprises: a rectangular substrate, a barrier unit, a positioning wall and at least one holding elastic piece. The barrier unit is disposed along a circumferential side of the substrate and defines a carding space together with the substrate. The positioning wall protrudes from the substrate in the same direction as the barrier wall unit and is located near a corner of the substrate, and is disposed obliquely with respect to a side of the substrate to correspond to a chamfer angle of the electronic card. The holding elastic piece is extended by the blocking wall unit to press the electronic card to hold the electronic card when the electronic card is placed in the carding space. The metal cover covers the insulative housing and collectively defines an insertion space for inserting the tray and an entrance into the insertion space. The metal cover includes a cover portion opposite to the insulating body and spaced apart from each other, and a anti-relay insert formed on the cover portion. The anti-retrusion elastic piece extends from the cover portion into the insertion space and obliquely away from the inlet and has a stopper portion formed to protrude laterally at the end. When the tray is inserted into the insertion space with the card insertion space toward the insulative housing, the substrate of the tray pushes the anti-relay piece to release the anti-relay piece from the insertion space. When the tray is inserted into the insertion space with the card insertion space facing the cover portion, one of the wall units of the tray partially abuts against the stopper of the anti-relay piece and cannot enter the insertion space.

Preferably, the anti-relay insert is closer to the inlet side. The tray contains two relatively extending holding tabs. The retaining wall unit includes a first long retaining wall, a second long retaining wall, a front retaining wall and a rear retaining wall. The first long barrier wall and the second long barrier wall are respectively disposed along two long sides of the substrate, and the positioning wall Near the rear end of the first long barrier wall. The holding elastic pieces are respectively extended from the front end of the first long blocking wall and the front end of the second long blocking wall to the short sides of the substrate in opposite directions. The front retaining wall is located between the retaining elastic pieces. The rear retaining wall is located on an opposite side of the front retaining wall and is biased toward an end of the second long retaining wall. The rear end of the second long barrier wall and the rear barrier wall are spaced apart by a certain distance in the longitudinal direction of the substrate. When the tray is inserted into the insertion space with the card insertion space toward the insulative housing, the position of the rear barrier wall corresponds to the position of the anti-retrusion tab and the connection between the substrate and the rear barrier wall is first pushed. The anti-injection shrapnel. When the tray is inserted into the insertion space with the card insertion space facing the cover portion, the rear end of the first long barrier wall abuts the stop portion of the anti-relay insert and cannot enter the insertion space again. .

According to the invention, the electronic card can be elastically held by the holding elastic piece, so that the electronic card can not be detached from the tray. Moreover, the metal cover is provided with an anti-reverse insert to ensure that the tray is inserted into the insertion space in the correct direction.

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments.

Referring to Figures 1 through 3, a preferred embodiment of the electronic card connector 100 of the present invention is adapted to be disposed on a circuit board 9 for electrically connecting an electronic card 8. In this embodiment, the electronic card 8 is a Subscriber Identity Module (SIM) card and has a chamfer 81 for positioning. The electronic card connector 100 includes a tray 1, an insulative housing 2, a plurality of terminals 3, and a metal cover 4.

Referring to Figures 2, 4 and 5, the tray 1 is integrally formed from a metal plate. , for accommodating the electronic card 8. The tray 1 comprises: a rectangular substrate 11 , a barrier unit 12 , a positioning wall 13 , two holding elastic pieces 14 and an extraction portion 15 . The barrier unit 12 is disposed along the circumferential side of the substrate 11 and defines a carding space 16 together with the substrate 11. The retaining wall unit 12 includes a first long retaining wall 121 , a second long retaining wall 122 , a front retaining wall 123 and a rear retaining wall 124 . The first long barrier wall 121 and the second long barrier wall 122 are respectively disposed along two long sides of the substrate 11 . The holding elastic pieces 14 are respectively bent from the front end 1211 of the first long stop wall 121 and the front end 1221 of the second long stop wall 122 so that the short sides of the substrate 11 extend in opposite directions. The front retaining wall 123 is located between the two retaining elastic pieces 14. The rear retaining wall 124 is located on the opposite side of the front retaining wall 123 and is biased toward the end of the second long retaining wall 122. Moreover, the rear end 1222 of the second long retaining wall 122 and the rear retaining wall 124 are spaced apart by a certain distance in the longitudinal direction of the substrate 11. In this embodiment, the length of the second long barrier wall 122 is slightly shorter than the first long barrier wall 121, and the second long barrier wall 122 is not connected to the rear barrier wall 124 and spaced apart by a certain distance. The positioning wall 13 protrudes from the substrate 11 in the same direction as the barrier wall unit 12 and is located near a corner of the substrate 11 , specifically a corner of the rear end 1212 of the first long barrier wall 121 , and is opposite to the substrate 11 . The sides are diagonally disposed to correspond to the chamfer 81 of the electronic card 8. The electronic card 8 can be positioned by the positioning wall 13 to ensure that the electronic card 8 is placed in the correct position. The positioning wall 13 and the front stop wall 123 are respectively formed by punching and bending the substrate 11. The extraction portion 15 is located outside the card insertion space 16 and is adjacent to and spaced apart from the front barrier wall 123. The holding elastic pieces 14 are respectively extended by the first long wall 121 and the second long wall 122 of the wall unit 12 to be pressed against the electronic card 8 when the electronic card 8 is placed in the card space 16 The card 8 holds the electronic card 8. The electronic card 8 can be prevented from falling off even when the card loading space 16 of the tray 1 faces downward. In this embodiment, although two symmetrical holding elastic pieces 14 can have a better holding effect, only one holding elastic piece 14 can be implemented. In addition, the height of the wall unit 12, the positioning wall 13 and the holding elastic piece 14 is smaller than the thickness of the electronic card 8. When the electronic card 8 is located in the card loading space 16, the surface of the electronic card 8 provided with the contact pad 82 can be slightly convex. The retaining wall unit 12, the positioning wall 13 and the retaining elastic piece 14 are prevented to prevent the tray 1 from interfering with the contact pad 82 of the electronic card 8 from contacting the terminal 3 (see FIG. 3).

Referring again to FIGS. 1 and 3, the insulative housing 2 is integrally molded with the terminals 3. The terminals 3 are disposed on the insulative housing 2 and have an elastic contact portion 31 for contacting the contact pads 82 of the electronic card 8 and a guiding portion 32 for soldering to the circuit board 9. The electronic card 8 can be electrically connected to the circuit board 9 by the terminals 3.

The metal cover 4 covers the insulative housing 2 and defines an insertion space 401 for inserting the tray 1 and an inlet 402 for entering the insertion space 401. The metal cover 4 includes a cover portion 41 that is opposite to and spaced apart from the insulative housing 2, two opposite side wall portions 42 , and a plurality of anti-retrusion tabs 43 formed on the cover portion 41. The cover portion 41 is pressed against the elastic piece 44 extending in the same direction as the anti-relay insertion piece 43 and the two rear end welding pieces 45. The side wall portions 42 are respectively bent and extended from the two sides of the cover portion 41, and are respectively engaged with corresponding structures on both sides of the insulative housing 2 to be fixedly combined with the insulative housing 2. Each of the side wall portions 42 has two soldering legs 421 which are respectively soldered and fixed to the circuit board 9. The anti-retrusion tab 43 extends from the cover portion 41 into the insertion space 401 and obliquely away from the inlet 402 and has a shape formed thereon. A stop portion 431 whose end is convex toward the side. In this embodiment, the anti-relay insert 43 is closer to the inlet 402 side. The pressure-receiving elastic pieces 44 are spaced apart from each other, and are also obliquely extended from the cover portion 41 into the insertion space 401 and away from the inlet 402. The back-end soldering lugs 45 are respectively bent and extended by the cover portion 41 and are located on opposite sides of the inlet 402 and are soldered to the circuit board 9 at the bottom. In addition to stopping the tray 1 from proceeding, the bonding strength of the metal cover 4 to the circuit board 9 is also increased.

Referring to FIG. 1 , FIG. 6 and FIG. 7 , when the tray 1 is inserted into the insertion space 401 in the direction in which the card insertion space 16 (see FIG. 2 ) faces the insulative housing 2 , that is, when inserted in the correct direction, the The position of the rear retaining wall 124 corresponds to the position of the anti-removable elastic piece 43. The connection between the base plate 11 and the rear retaining wall 124 first pushes the anti-reverse inserting piece 43 to make the anti-reverse inserting piece 43 and its stop. The portion 431 exits the insertion space 401. Similarly, the substrate 11 also pushes the pressure-receiving elastic piece 44 to cause the pressure-receiving elastic piece 44 to exit the insertion space 401. Thereby, the tray 1 can be inserted into the insertion space 401 in the forward direction. Moreover, since the rear end 1222 of the second long retaining wall 122 is spaced apart from the rear retaining wall 124, the rear end 1222 of the second long retaining wall 122 does not touch the anti-reverse insert 43 for a certain moving distance. Since the stopper portion 431 does not affect the movement of the tray 1 and the anti-reverse insertion piece 43. As shown in FIG. 8 , when the tray 1 and the electronic card 8 are inserted into the insertion space 401 in the correct direction, the anti-relay piece 43 and the pressure-receiving elastic piece 44 are pressed against the substrate 11 by The substrate 11 is pressed against the electronic card 8 to maintain a good electrical connection between the electronic card 8 and the terminals 3 (see FIG. 3). As shown in FIG. 9, when the tray 1 reaches the positioning in the insertion space 401, the extraction portion 15 of the tray 1 protrudes from the insertion space. In addition to the 401, the user can easily apply a force to the extraction unit 15 to pull the tray 1 out of the insertion space 401.

Referring to FIG. 10 and FIG. 11, when the tray 1 is inserted into the insertion space 401 with its card-mounting space 16 (see FIG. 2) toward the cover portion 41, that is, when the tray 1 is reversely inserted, the tray 1 is A portion of the retaining wall unit 12 is abutted against the stop portion 431 of the anti-slip tab 43. In this embodiment, the rear end 1212 of the first long retaining wall 121 abuts the stop portion 431 of the anti-relay insert 43. The insertion space 401 can no longer be accessed. In particular, the anti-retrusion tab 43 is adjacent to the inlet 402 of the insertion space 401, and the tray 1 can be prevented from reaching the insertion space 401 again as early as possible. Thereby, the tray 1 can be prevented from being inserted by mistake and the contact pad 82 of the electronic card 8 cannot be brought into contact with the terminal 3.

In summary, the tray 1 of the present embodiment can elastically hold the electronic card 8 by the holding elastic piece 14, so that the electronic card 8 does not fall off. Further, the metal cover 4 of the present embodiment is provided with the anti-reverse insertion piece 43 to ensure that the tray 1 is inserted into the insertion space 401 in the correct direction, so that the object of the present invention can be achieved.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

100‧‧‧electronic card connector

1‧‧‧Tray

11‧‧‧Substrate

12‧‧‧Baffle unit

121‧‧‧First long barrier

1211‧‧‧ front end

1212‧‧‧ Backend

122‧‧‧Second long retaining wall

1221‧‧‧ front end

1222‧‧‧ Backend

123‧‧‧Front wall

124‧‧‧Back wall

13‧‧‧ Positioning wall

14‧‧‧ Holding shrapnel

15‧‧‧Extraction Department

16‧‧ ‧ card space

2‧‧‧Insulated body

3‧‧‧ terminals

31‧‧‧Flexible contact

32‧‧‧Guidance

4‧‧‧Metal cover

401‧‧‧Interposed space

402‧‧‧ entrance

41‧‧‧ Covering Department

42‧‧‧ Sidewall

421‧‧‧ solder feet

43‧‧‧Anti-reverse inserts

431‧‧‧stop

44‧‧‧Pressure shrapnel

45‧‧‧Back gauge

8‧‧‧Electronic card

81‧‧‧cut angle

82‧‧‧Contact pads

9‧‧‧Circuit board

1 is a perspective view showing a preferred embodiment of an electronic card connector of the present invention; and FIG. 2 is a perspective view showing a combination of a tray and an electronic card of the preferred embodiment; 3 is an exploded perspective view showing a combination of an insulating body, a plurality of terminals, and a metal cover; FIG. 4 is a combination view of FIG. 2; and FIG. 5 is a side view of FIG. Figure 6 is a top plan view showing the action of the tray of the preferred embodiment when inserted into an insertion space in the correct direction, and the anti-reverse insertion of the metal shell; Figure 7 is a line along the line VII-VII of Figure 6. Figure 8 is a perspective view showing the tray of the preferred embodiment in the insertion space; Figure 9 is a side view of Figure 8; and Figure 10 is a perspective view showing the tray of the preferred embodiment in error When the direction is inserted into the insertion space, its action relationship with the anti-reverse insertion piece of the metal case; and FIG. 11 is an enlarged view of a partial area of FIG.

100‧‧‧electronic card connector

1‧‧‧Tray

11‧‧‧Substrate

122‧‧‧Second long retaining wall

1222‧‧‧ Backend

124‧‧‧Back wall

13‧‧‧ Positioning wall

14‧‧‧ Holding shrapnel

15‧‧‧Extraction Department

2‧‧‧Insulated body

3‧‧‧ terminals

4‧‧‧Metal cover

401‧‧‧Interposed space

402‧‧‧ entrance

41‧‧‧ Covering Department

42‧‧‧ Sidewall

421‧‧‧ solder feet

43‧‧‧Anti-reverse inserts

431‧‧‧stop

44‧‧‧Pressure shrapnel

45‧‧‧Back gauge

8‧‧‧Electronic card

9‧‧‧Circuit board

Claims (17)

A tray for accommodating an electronic card having a chamfer for positioning, the tray being integrally formed by a metal plate, comprising: a rectangular substrate, a retaining wall unit, a positioning wall and at least one holding elastic piece. The barrier wall unit is disposed along a circumferential side of the substrate and defines a carding space together with the substrate, the positioning wall and the barrier wall unit protrude from the substrate and are located near a corner of the substrate, and are opposite to the substrate The side edge is obliquely disposed to correspond to a chamfer angle of the electronic card, and the holding elastic piece is extended by the retaining wall unit to press the electronic card to hold the electronic card when the electronic card is inserted into the carding space . The tray according to item 1 of the patent application includes two relatively extending holding elastic pieces. The tray according to claim 2, wherein the barrier unit comprises a first long barrier wall, a second long barrier wall, a front barrier wall and a rear barrier wall, and the first long barrier wall The second long barrier wall is respectively disposed along two long sides of the substrate, and the positioning wall is adjacent to the rear end of the first long barrier wall, and the two holding elastic pieces are respectively respectively formed by the front end of the first long barrier wall and the second The front end of the long retaining wall is bent to extend in opposite directions of the substrate, and the front retaining wall is located between the two holding elastic pieces, and the rear retaining wall is located on the opposite side of the front retaining wall and is biased toward the second long The end of the wall. The tray according to claim 3, wherein the rear end of the second long barrier wall and the rear barrier wall are spaced apart from each other in the longitudinal direction of the substrate. The tray according to item 3 of the patent application scope further includes a An extraction portion that is outside the card space and is adjacent to and spaced apart from the front barrier wall. The tray of claim 1, wherein the height of the retaining wall unit, the positioning wall and the retaining elastic piece is smaller than the thickness of the electronic card. The tray according to claim 1, wherein the positioning wall is bent and formed by punching the substrate. The tray of claim 1, wherein the electronic card is a Subscriber Identity Module (SIM) card. An electronic card connector comprising: a tray for accommodating an electronic card having a chamfer for positioning, the tray being integrally formed by a metal plate, comprising: a rectangular substrate, a barrier unit, and a a positioning wall and at least one holding elastic piece, the blocking wall unit is disposed along a circumferential side of the substrate and defines a carding space together with the substrate, the positioning wall and the blocking wall unit protrude from the substrate in the same direction and are located adjacent to the substrate a corner portion disposed obliquely with respect to a side edge of the substrate to correspond to a chamfer angle of the electronic card, the holding elastic piece extending from the barrier wall unit to be pressed against the electronic card when the electronic card is placed in the carding space The electronic card is held by the electronic card; an insulative housing; a plurality of terminals disposed on the insulative housing; and a metal cover covering the insulative housing and jointly defining an insertion space for inserting the tray and a Entering the entrance of the insertion space, the metal cover includes a cover portion opposite to the insulating body and a anti-relay insert formed on the cover portion, and the anti-relay piece is covered by the cover portion And extending into the insertion space obliquely away from the inlet and having a stop portion formed to protrude laterally at the end; when the tray is inserted into the insertion space with the card insertion space toward the insulating body The substrate of the tray pushes the anti-relay piece to push the anti-relay piece out of the insertion space; when the tray is inserted into the insertion space with the carding space facing the cover part, the tray One of the wall units partially abuts against the stop of the anti-relay piece and cannot enter the insertion space again. The electronic card connector of claim 9, wherein the anti-relay insert is closer to the inlet side. The electronic card connector of claim 9 or 10, wherein the tray comprises two oppositely extending holding elastic pieces, the blocking wall unit comprising a first long blocking wall, a second long blocking wall, and a a front retaining wall and a rear retaining wall, the first long retaining wall and the second long retaining wall are respectively disposed along two long sides of the substrate, and the positioning wall is adjacent to a rear end of the first long retaining wall, two The holding elastic piece is respectively extended from the front end of the first long retaining wall and the front end of the second long retaining wall to the short side of the substrate, and the front retaining wall is located between the two holding elastic pieces, the rear block The wall is located on the opposite side of the front barrier wall and is biased toward the end of the second long barrier wall. The electronic card connector of claim 11, wherein a rear end of the second long barrier wall and the rear barrier wall are spaced apart from each other in a longitudinal direction of the substrate, and the tray is provided with a card space. When the insertion space is inserted in the direction of the insulative housing, the position of the rear barrier wall corresponds to the position of the anti-retrusion tab and the connection between the substrate and the rear barrier wall is first pushed to push the anti-retrusion tab. The tray faces the cover portion with its card-space When the insertion space is inserted, the rear end of the first long barrier wall abuts against the stopper of the anti-relay insert and cannot enter the insertion space again. The electronic card connector of claim 11, wherein the tray further comprises an extracting portion located outside the carding space and spaced apart from and spaced apart from the front barrier wall. The electronic card connector of claim 9, wherein the height of the wall unit, the positioning wall and the holding elastic piece is smaller than the thickness of the electronic card. The electronic card connector of claim 9, wherein the positioning wall is bent and formed by punching the substrate. The electronic card connector of claim 9, wherein the metal cover further comprises a plurality of pressing elastic pieces respectively formed on the cover portion and extending in the same direction as the anti-relay insert, when the tray is When the card insertion space is inserted into the insertion space in the direction of the insulative housing, the anti-retrusion elastic piece and the pressure-receiving elastic piece are pressed against the substrate to maintain a good electrical connection between the electronic card and the terminals. The electronic card connector of claim 9, wherein the electronic card is a Subscriber Identity Module (SIM) card.