TWI763936B - Card edge connector - Google Patents

Abstract

A card edge connector includes an elongated base loaded with terminals, and a pair of latch arms extending from two opposite ends of the base. The base defines a longitudinal slot. A card receiving space is defined between the base and the pair of latch arms. The card edge connector further includes a shielding shell covering the base and the card receiving space. Therefore, the connector has a good shielding performance.

Description

card edge connector

The present invention relates to a card edge connector, in particular to a cover structure of the card edge connector.

Chinese Mainland Utility Model Patent Publication No. CN206364220 discloses a card edge connector element, which includes a card edge connector and a mating card thereof. The card edge connector includes an insulating body, a plurality of conductive terminals mounted on the insulating body, and a metal latch. A metal lock is installed on the insulating body to lock the docking card. The insulating body includes a longitudinally elongated main body, end arms extending forward from both ends of the main body, and a buckle arm extending forward from the end arms. The main body portion includes a first side wall and a second side wall opposite to each other. A slot is formed between the first side wall and the second side wall, and the front end of the docking card is inserted into the slot. The metal lock fastener is attached to the buckle arm. The metal locking piece includes a first metal locking piece and a second metal locking piece. The first metal locking piece cooperates with the second metal locking piece to lock the docking card.

Therefore, it is necessary to design a solution to improve the above problems.

The purpose of the present invention is to provide a card edge connector with better shielding effect.

To achieve the above object, the present invention can adopt the following technical solutions:

A card edge connector comprises a longitudinally long base carrying conductive terminals, a pair of locking arms located at both ends of the base and perpendicular to the base, the base is provided with a longitudinally long slot, the base A card accommodating space is formed between the pair of locking arms, and the card edge connector further includes a shielding shell covering the base and the card accommodating space.

Compared with the prior art, the shielding shell of the present invention covers the base and the card accommodating space, the covering range is wider, and the shielding effect is better.

100: Card edge connector element

11: Pedestal

111: Top surface

113: Butt Face

115: side end face

117: Ribs

119: Locking Arm

30: Shading the shell

310: The first main body

312: The first reinforcing rib

314: First side wall

316: Card slot

318: Extension Arm

32: Second shell

321: Second top wall

323: Second Front Wall

325: Second side wall

327: elastic sheet

329: second through hole

40: Electronic card

10: Card edge connector

110: Card storage space

112: Mounting surface

114: rear face

116: Groove

118: Slot

20: Conductive terminal

31: The first shell

311: First top wall

313: First Back Wall

315: first through hole

317: Shrapnel

319: Holder hole

320: Soldering feet

322: Second reinforcement rib

324: Turnover

326: Part One

328: Part II

33: Connectors

50: External circuit board

51: Welding holes

The first diagram is a perspective view of the card edge connector element of the present invention; the second diagram is an exploded perspective view of the card edge connector element shown in the first diagram; the third diagram is a perspective view of the cover housing shown in the second diagram; Figure 3 is an exploded perspective view of the cover housing shown in Figure 3; Figure 5 is a perspective view of the card edge connector shown in Figure 2 after removing the cover housing; and Figure 6 is the card edge connector shown in Figure 1 Sectional view along VI-VI direction.

The following specific embodiments will further illustrate the present invention in conjunction with the above drawings.

Please refer to the first to second figures together, the present invention discloses a card edge connector element 100 , which includes a card edge connector 10 , an electronic card 40 and an external circuit board 50 . The card edge connector 10 is mounted on the external circuit board 50 , and one end of the electronic card 40 is inserted into the card edge connector 10 , thereby establishing an electrical connection between the electronic card 40 and the external circuit board 50 .

Please refer to FIGS. 3 to 6 together, the card edge connector 10 includes a longitudinal base 11 carrying the conductive terminals 20 and a pair of locking arms 119 located at both ends of the base 11 and perpendicular to the base 11 . A card accommodating space 110 is formed between the base 11 and the pair of locking arms 119 . The base 11 is provided with a longitudinal slot 118 . One end of the electronic card 40 is inserted into the longitudinal slot 118 . The base 11 is provided with an installation surface 112 , a butt surface 113 , a top surface 111 opposite the installation surface 112 , a rear end surface 114 opposite the butt surface 113 , and two side end surfaces 115 at the longitudinal ends of the base 11 . The card edge connector 10 further includes a shielding shell 30 covering the base 11 , the locking arm 119 and the card accommodating space 110 . The shielding shell 30 includes a first casing 31 fixed to and covering the base 11 and a second casing 32 covering the card accommodating space 110 . The second casing 32 is connected to the first casing 31 through the connecting member 33 . The first casing 31 and the second casing 32 cooperate with each other, so that the shielding range is wider and the shielding effect is better.

The first housing 31 includes a first main body 310 covering the top surface 111 , the rear end surface 114 and the two side end surfaces 115 of the base 11 respectively, and an extension arm 318 covering the two locking arms 119 . The first main body portion 310 includes a first top wall 311 , a first rear wall 313 and two first side walls 314 . The first top wall 311 is provided with a first reinforcing rib 312, so that the first casing 31 has better strength. The first side wall 314 is provided with a holding groove 316 , and the base 11 is provided with a protruding rib 117 protruding outward from the side end surface 115 of the base 11 , and the protruding rib 117 is held in the holding groove 316 . The first side wall 314 is provided with an elastic piece 317 , the base 11 is provided with a groove 116 recessed inward from the side end surface 115 of the base 11 , and the elastic piece 317 elastically abuts in the groove 116 . In this case, the first shell 31 and the base 11 are The holding effect is better. The first casing 31 is provided with a soldering pin 320 extending downward from the lower edge of the extending arm 318 , and the soldering pin 320 is inserted into the soldering hole 51 provided on the external circuit board 50 for soldering.

The second casing 32 includes a second top wall 321 , a second front wall 323 and two second side walls 325 . The lower edge of the second front wall 323 is bent inward to form a folded portion 324 , which can make the user feel more comfortable. The second side wall 325 includes a first portion 326 adjacent to the second front wall 323 and a second portion 328 extending from the first portion 326 away from the second front wall 323 . The second portion 328 is provided with a second through hole 329 . A first through hole 315 is defined on the first side wall 314 of the first casing 31 . The connecting piece 33 passes through the first through hole 315 and the second through hole 329 , so as to connect the first casing 31 and the second casing 32 , and the second casing 32 can rotate around the first casing 31 . The first part 326 is provided with a plurality of elastic pieces 327 , the extension arm 318 is provided with a plurality of holding holes 319 , and the elastic pieces 327 are correspondingly held in the holding holes 319 , thereby holding the second casing 32 on the first casing 31 . The second top wall 321 is provided with a plurality of second reinforcing ribs 322 , so that the second shell 32 has better strength.

To sum up, the present invention has clearly met the requirements of an invention patent, and a patent application can be filed in accordance with the law. However, the above descriptions are only preferred embodiments of the present invention, and the scope of the rights of the present invention cannot be limited thereby. All equivalent modifications or changes made by those with ordinary knowledge in the technical field according to the spirit of the present invention are still covered within the scope of the appended patent application.

100: Card edge connector element

10: Card edge connector

40: Electronic card

50: External circuit board

Claims (10)

A card edge connector comprises a longitudinally long base carrying conductive terminals, a pair of locking arms located at both ends of the base and perpendicular to the base, the base is provided with a longitudinally long slot, the base A card accommodating space is formed between a pair of locking arms, wherein the card edge connector further includes a shielding shell covering the base and the card accommodating space, and the shielding shell includes a first fixing and covering the base. a casing, the base includes a top surface, a rear end surface and two end surfaces located at the longitudinal ends of the base, and the first casing includes a first casing covering the top surface, the rear end surface and the two end surfaces of the base respectively The main body part, and the extension arm covering the two locking arms. The card edge connector according to claim 1, wherein the shielding shell comprises a second casing covering the card accommodating space, and the second casing is connected to the first casing by a connector. The card edge connector of claim 2, wherein the base is provided with a mounting surface opposite to the top surface and a mating surface opposite to the rear end surface. The card edge connector of claim 3, wherein the first main body portion comprises a first top wall, a first rear wall and two first side walls, the first side walls are provided with a holding groove, and the base A protruding rib protruding outward from its side end surface is provided, and the protruding rib is held in the holding groove. The card edge connector of claim 4, wherein the first side wall is provided with an elastic sheet, the base is provided with a groove recessed inward from its side end surface, and the elastic sheet elastically abuts in the groove. The card edge connector of claim 3, wherein the second housing comprises a second top wall, a second front wall and two second side walls, the second side walls comprise a first part close to the front wall and a second side wall The first part extends away from the second part of the front wall, the first part is provided with a plurality of elastic pieces, the extension arm is provided with a plurality of clamping holes, and the elastic pieces are correspondingly clamped on the Holder hole. The card edge connector of claim 6, wherein the first side wall is provided with a first through hole, the second portion is provided with a second through hole, and the connector passes through the first through hole with the second through hole. The card edge connector of claim 6, wherein the top walls of the first and second housings are provided with reinforcing ribs. The card edge connector of claim 6, wherein the lower edge of the second front wall is bent inward to form a folded portion. The card edge connector of claim 3, wherein the first housing is provided with a soldering pin extending downward from the lower edge of the extending arm, and the soldering pin is inserted into a soldering hole provided for soldering on an external circuit board.

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