TWI446272B - 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 small volume and a thin thickness.

As consumers demand more and more electronic products, the thickness of mobile phones (especially smart phones) is becoming thinner and thinner, and the space inside the mobile phone for installing memory cards (such as Micro SD cards) is coming. The smaller. Because of this, component manufacturers are trying to design smaller, thinner electronic card connectors to accommodate this growing demand for mobile phones.

Conventional thin electronic card connectors generally include a base, a terminal module mounted on the base, and a metal shielding housing mounted on the base. The terminal module is usually mounted on the base from top to bottom. However, when the electronic card connector of the mounting type is used in the electronic card, the terminal module is loosened due to lack of necessary positioning structure in the up and down direction.

Therefore, it is necessary to design a more stable electronic card connector to overcome the deficiencies of the prior art.

In view of the above, an object of the present invention is to provide an electronic card connector capable of stably mounting a terminal module on a base in an upper and lower direction.

The object of the present invention is achieved by the following technical solution: an electronic card connector comprising a base, a terminal module mounted on the base, and a shielding shell pivotally connected to the base, the shielding housing being configured to receive the electronic device The accommodating space of the card, the base is provided with a first side wall, the terminal module comprises an insulating block and a plurality of conductive terminals fixed on the insulating block, the conductive terminal comprises an extension into the receiving space and is in contact with the electronic card a spring arm portion and a soldering portion for soldering to the circuit board, the insulating block being mounted on the base in a front-rear direction, the base supporting the insulating block upwardly, the first side wall being laterally convex and The first pressing portion of the insulating block is pressed from the top to the bottom.

Further, the insulating block includes a first side, the first side is provided with a first guiding slot and a first pressing wall below the first guiding slot, and the first pressing portion is received in the first The first pressure-receiving wall is pressed in a guiding groove and pressed upwards and downwards.

Further, the insulating block is provided with an upper surface, and the first guiding groove is formed by recessing from the upper surface of the insulating block.

Further, the base is made of a metal material, and the first side wall is provided with an upwardly protruding ridge, and the first pressing portion is formed from a top of the ridge.

Further, the ridge portion is formed by punching the first side wall upward.

Further, the insulating block is provided with a pressing block located behind the first guiding groove, and the pressing block protrudes laterally from the first pressing wall, and the pressing block presses the first side wall from the top to the bottom.

Further, the ridge portion abuts against the pressing block in the front-rear direction.

Further, the base is provided with a second sidewall disposed opposite to the first sidewall, and the second sidewall is provided with a second pressing portion that protrudes laterally and presses the insulating block from top to bottom, and the insulating block is The left and right directions are restricted between the first and second side walls.

Further, the base is provided with a hollow slot between the first and second side walls, and the insulating block is disposed above the hollow slot.

Further, the insulating block is provided with a front end surface and a positioning groove on the front end surface, and the base is provided with a front end wall, and the front end wall is provided with a positioning piece which protrudes rearward and is received in the positioning groove.

Compared with the prior art, the electronic card connector of the present invention supports the insulating block upwardly by the base, and the insulating block is pressed by the first pressing portion from the top to the bottom, so that the insulating block can be stably held in the upper and lower directions. On the base.

Referring to the first to fifth figures, the present invention discloses an electronic card connector 100 for accommodating an electronic card 8 (in the illustrated embodiment, a Micro SD card). The electronic card 8 is provided with a plurality of conductive sheets 81 (refer to the third figure). The electronic card connector 100 includes a base 1 , a terminal module 2 mounted on the base 1 , and a shielding case 3 pivotally connected to the base 1 . The shielding housing 3 is provided with a receiving space 30 for receiving the electronic card 8 .

Referring to the fourth embodiment, in the illustrated embodiment, the base 1 is stamped from a metal material to ensure that the electronic card connector 100 has a relatively thin thickness. The base 1 includes a front end wall 11 , a rear end wall 12 , and a first side wall 13 and a second side wall 14 that are opposite to the front end wall 11 and the rear end wall 12 . The front end wall 11 has a substantially U shape and is provided with a pair of vertical bent portions 111 on both sides and a positioning piece 112 projecting rearward. The positioning piece 112 is provided with a barb 113 protruding to both sides. Each of the bent portions 111 is provided with a pivot hole 114 penetrating therethrough. The base 1 is provided with a hollow groove 15 between the first and second side walls 13, 14. The first and second side walls 13 and 14 are respectively provided with upwardly protruding ridges 131 and 141 and first and second pressing portions 132 and 142 extending laterally from the tops of the ridges 131 and 141, respectively. The raised portion 131 and the first pressing portion 132 are symmetrically disposed on both sides of the hollow groove 15 and the first and second pressing portions 132 and 142 extend toward each other. In the illustrated embodiment, the raised portions 131, 141 are formed by stamping the first and second side walls 13, 14 upward.

Referring to FIG. 4 to FIG. 6 , the terminal module 2 includes an insulating block 21 and a plurality of conductive terminals 22 fixed on the insulating block 21 . Each of the conductive terminals 22 includes a resilient arm portion 221 extending into the receiving space 30 for contacting the conductive sheet 81 of the electronic card 81, a soldering portion 222 for soldering to a circuit board (not shown), and a connecting bullet The arm portion 221 and the "U"-shaped positioning portion 223 of the welded portion 222.

The insulating block 21 includes an upper surface 211, a lower surface 212, a front end surface 219, a rear end surface 213, and opposite first side edges 214 and second side edges 215. The first and second side edges 214 and 215 include first and second guiding grooves 231 and 232 recessed from the upper surface 211 and first and lower portions respectively located below the first and second guiding grooves 231 and 232. The second pressure-receiving walls 241, 242. The insulating block 21 is provided with two pressing blocks 25 located behind the first and second guiding grooves 231 and 232 and laterally protruding from the first and second pressing walls 241 and 242. Referring to FIG. 6 , the insulating block 21 is further provided with a positioning groove 26 on the front end surface 219 . In addition, the insulating block 21 is further provided with a plurality of upper and lower receiving grooves 216 and 217 which are recessed from the upper and lower surfaces 211 and 212 and penetrate the rear end surface backward, and a clamping plate 218 between the upper and lower receiving grooves 216 and 217. . When the conductive terminal 22 is mounted on the insulating block 21, the positioning portion 223 of the conductive terminal 22 is clamped on the clamping plate 218 from the rear to the front, and the elastic arm portion 221 and the soldering portion 222 respectively correspond to the upper and lower receiving portions. Slots 216, 217. The elastic arm portion 221 is deformable in the upper receiving groove 216.

Referring to the second figure, the shielding case 3 includes a main body portion 31, a pair of first side portions 32 bent downward from the front side of the main body portion 31, and a downward bending from the rear side of the main body portion 31. One of the pair of second side portions 33. Each of the first side portions 32 is provided with a pivot 321 received in the pivot hole 114. The second side portion 33 is further bent to extend below the main body portion 31. The accommodating space 30 is surrounded by the pair of second side portions 33 and the main body portion 31.

Referring to the seventh figure, when assembled, the assembled terminal module 2 is mounted on the base 1 in the front-rear direction. The insulating block 21 is disposed above the hollow groove 15 . The pressing block 25 is mounted on the upper surfaces of the first and second side walls 13 and 14 such that the base 1 supports the insulating block 21 upward. The insulating block 21 is confined between the first and second side walls 13, 14 in the left-right direction. As shown in the second figure, the first and second pressing portions 132 and 142 are correspondingly received in the first and second guiding grooves 231 and 232 and pressed from the top to the bottom. The second pressure-receiving walls 241, 242. The positioning piece 112 of the base 1 is correspondingly received in the positioning groove 26 of the insulating block 21, and interferes with the inner surface of the positioning groove 26 by the barb 113 to improve the holding force. The raised portions 131 and 141 abut against the pressing block 25 in the front-rear direction. Finally, the insulating block 21 is restrained in all directions of up, down, left, right, front and rear, thereby ensuring that the terminal module 2 can be stably mounted on the base 1.

In use, the shielding case 3 is first lifted up, then the electronic card 8 is inserted into the receiving space 30 of the shielding case 3, and finally the shielding case 3 together with the electronic card 8 is rotated downward about the pivot 321 to a horizontal position. Since the base 1 supports the insulating block 21 upward, and the insulating block 21 is pressed by the first and second pressing portions 132 and 142 from the top to the bottom, the insulating block 21 can be stably held on the base in the upper and lower directions. 1 on. In the process of taking out the electronic card 8, the electronic card connector 100 of the present invention needs to lift up the shielding case 3 upwards, and the terminal module 2 must inevitably generate a certain pulling force upward. However, since the insulating block 21 can be stably held on the base 1 in the upper and lower directions, the pulling force does not affect the terminal module 2, thereby improving the service life of the electronic card connector 100 of the present invention.

In summary, the creation meets the requirements of the invention patent, and the patent application is filed according to law. However, the above description is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those skilled in the art should be equivalent to the equivalent modifications or changes made by God of the present invention. It is covered by the following patent application.

100. . . Electronic card connector

1. . . Base

11. . . Front wall

111. . . Bending section

112. . . Positioning pieces

113. . . Barbed

114. . . Pivot hole

12. . . Rear wall

13. . . First side wall

131, 141. . . Uplift

132. . . First pressing part

14. . . Second side wall

142. . . Second pressing portion

15. . . Hollow slot

2. . . Terminal module

twenty one. . . Insulating block

211. . . Upper surface

212. . . lower surface

213. . . Rear end face

214. . . First side

215. . . Second side

216. . . Upper storage slot

217. . . Lower storage slot

218. . . Splint

219. . . Front end face

twenty two. . . Conductive terminal

221. . . Bomb arm

222. . . Welding department

223. . . Positioning department

231. . . First guiding slot

232. . . Second guiding slot

241. . . First pressure wall

242. . . Second pressure wall

25. . . Press block

26. . . Positioning slot

3. . . Shaded housing

30. . . Containing space

31. . . Main body

32. . . First side

321. . . Pivot

33. . . Second side

8. . . Electronic card

81. . . Conductive sheet

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

The second figure is a partially exploded perspective view of the electronic card connector shown in the first figure, in which the shield housing is separated.

The third figure is an exploded perspective view of the electronic card connector shown in the second figure at another angle.

The fourth figure is an exploded perspective view of the base and the terminal module shown in the second figure.

The fifth figure is an exploded perspective view of the fourth figure at another angle.

The sixth figure is a perspective exploded view of the fourth figure at a further angle.

The seventh figure is a perspective view of the base and the terminal module shown in the second figure during assembly.

100. . . Electronic card connector

1. . . Base

114. . . Pivot hole

13. . . First side wall

131, 141. . . Uplift

2. . . Terminal module

241. . . First pressure wall

25. . . Press block

3. . . Shaded housing

30. . . Containing space

31. . . Main body

32. . . First side

321. . . Pivot

33. . . Second side

8. . . Electronic card

Claims (10)

An electronic card connector includes a base, a terminal module mounted on the base, and a shielding shell pivotally connected to the base, the shielding housing is provided with a receiving space for receiving an electronic card, and the base is provided with a first The sidewall module includes an insulating block and a plurality of conductive terminals fixed on the insulating block, the conductive terminal includes a spring arm portion extending into the receiving space and contacting the electronic card, and being soldered to the circuit board The soldering portion is characterized in that: the insulating block is mounted on the base in a front-rear direction, the base supports the insulating block upward, and the first side wall is provided with a lateral convex shape and presses the insulating block from top to bottom. The first pressing portion. The electronic card connector of claim 1, wherein the insulating block comprises a first side, the first side is provided with a first guiding slot and the first is located below the first guiding slot The first pressing portion is received in the first guiding groove and presses the first pressing wall from the top to the bottom. The electronic card connector of claim 2, wherein the insulating block is provided with an upper surface, and the first guiding groove is formed by recessing from an upper surface of the insulating block. The electronic card connector of claim 2, wherein the base is made of a metal material, the first side wall is provided with an upwardly protruding ridge, and the first pressing portion is from the ridge Extending from the top. The electronic card connector of claim 4, wherein the ridge portion is formed by stamping the first side wall upward. The electronic card connector of claim 4, wherein the insulating block is provided with a pressing block located behind the first guiding groove, the pressing block protruding laterally from the first pressing wall, the pressing The block presses the first side wall from top to bottom. The electronic card connector of claim 6, wherein the ridge portion and the pressing block abut against each other in the front-rear direction. The electronic card connector of claim 1, wherein the base is provided with a second side wall disposed opposite to the first side wall, the second side wall being laterally convex and pressed from top to bottom a second pressing portion of the insulating block, the insulating block being confined between the first and second side walls in the left-right direction. The electronic card connector of claim 8, wherein the base is provided with a hollow slot between the first and second side walls, and the insulating block is disposed above the hollow slot. The electronic card connector of claim 1, wherein the insulating block is provided with a front end surface and a positioning groove on the front end surface, the base is provided with a front end wall, and the front end wall is provided with a rearward protruding And the positioning piece is accommodated in the positioning groove.