TWI791496B - Card edge connector - Google Patents

Abstract

An electrical connector includes an insulative housing, a number of terminals fixed in the insulative housing and a shell covering the insulative housing. The insulative housing includes two longitudinal side walls and a slot formed between two longitudinal side walls. The terminals are arranged along the inner surfaces of the side walls, respectively. The shell includes two long walls covering the outer surfaces of the side walls, respectively. The shell includes a number of positioning portions protruding from the outer surface of the side wall. The positioning portion is used for fixing a light guiding plate disposed at one side of the card edge connector in a longitudinal direction. The positioning portion makes the light guiding plate to be fixed between two adjacent card edge connectors stably.

Description

card edge connector

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

China Mainland Utility Model Patent Announcement No. CN2884569Y discloses a card edge connector, which includes a vertically long insulating body with a central slot, a plurality of conductive terminals, and a metal shell covering the insulating body with a shielding function. The metal shell is in the form of a stamped thin plate, which includes a main body and holding parts bent downward from two sides of the main body. The insulating body is provided with an upward protrusion, and correspondingly, the holding part is provided with a holding groove matched with it, so that the metal shell can be fixed to the insulating body. The metal shell and the insulating body only cooperate with the protrusion through the holding groove, which is not stable enough and is easy to separate from each other. When the card edge connector needs to cooperate with the light guide plate, the metal shell cannot be stably fixed to the light guide plate.

In view of the above problems, it is necessary to improve the prior art to overcome the above defects.

The technical problem to be solved by the present invention is to provide a card edge connector with a stable structure and capable of holding a light guide plate.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions: a card edge connector, which includes a lengthwise insulating body, a plurality of conductive terminals held in the insulating body, and a metal shell covering the insulating body. The body includes two longitudinal side walls, a card insertion slot is formed between the two side walls, the plurality of conductive terminals are arranged along the inner wall of the side walls, and the metal shell includes The two long walls of the metal shell are provided with an outwardly protruding positioning portion on at least one of the long walls, and the positioning portion is used to fix a light guide plate disposed on the side of the card edge connector in the longitudinal direction.

Compared with the prior art, the long wall of the metal housing of the card edge connector of the present invention is provided with a positioning portion, and the positioning portion can stably hold the light guide plate between adjacent card edge connectors.

100: card edge connector

10: Insulation body

11: Main body

12: Tower shaped part

13: The first groove

14: Second groove

15: storage tank

16: protruding part

20: Conductive terminal

30: lock card

40: metal case

41: The first long wall

411: The first body

412: The first positioning department

413: first extension

414: The first pressing part

415: second extension

416: the second pressing part

417: The first turning part

418: The first hook

42: Second long wall

421: Second Body

422: The second positioning department

423: The third extension

424: The third pressing part

425: The fourth extension

426: The fourth pressing part

427: Second turning part

428: The second hook

43: Connecting part

44: first end wall

441: Part 1

442: Part Two

45: second end wall

451: Part III

452:Part IV

The first figure is a perspective view of the card edge connector of the present invention; the second figure is an enlarged view of the circled part of the card edge connector shown in the first figure; the third figure is another perspective view of the card edge connector shown in the first figure Stereoscopic view; the fourth figure is an enlarged view of the circled part of the card edge connector shown in the third figure; the fifth figure is a perspective view of the metal shell shown in the third figure; the sixth figure is another part of the card edge connector shown in the third figure Figure 7 is a perspective view of the card edge connector shown in Figure 6 from another angle of view; and Figure 8 is a cross-sectional view of the card edge connector shown in Figure 1 along the direction VIII-VIII.

Referring to Figures 1 to 4, the present invention discloses a card edge connector 100, which includes a lengthwise insulating body 10, a plurality of conductive terminals 20 held in the insulating body 10, and a locking card pivotally connected to the insulating body 10. 30 and the metal shell 40 covering the insulating body 10 . The insulating body 10 includes two longitudinal side walls, a card insertion slot is formed between the two side walls, and the plurality of conductive terminals 20 are arranged along the inner walls of the side walls. The insulating body 10 has a main body 11 extending along a longitudinal direction and a tower portion 12 protruding upward relative to the main body 11 . The metal shell 40 cooperates with the light guide plate for fixing the light guide plate between two adjacent card edge connectors 100 .

Referring to FIG. 5 to FIG. 8 , the metal casing 40 includes two long walls 41 and 42 attached to the outer surface of the side wall. The long walls 41 , 42 are provided with outwardly protruding positioning portions 412 , 422 , and the positioning portions 412 , 422 are used for fixing the light guide plate disposed beside the card edge connector 100 in the longitudinal direction. The positioning portions 412 , 422 are rectangular structures formed by direct punching of the long walls 41 , 42 . The long walls 41, 42 are also provided with pressing portions 414, 416, 424, 426 extending outwards and downwards, and the pressing portions 414, 416, 424, 426 are used to press the upper surface of the light guide plate downwards. edge. The positioning portions 412 , 422 are located near the bottom edges of the long walls 41 , 42 . The pressing portions 414 , 416 , 424 , 426 are located near the top edges of the long walls 41 , 42 . The long walls 41 , 42 include first and second long walls 41 , 42 opposite to each other and first and second end walls 44 , 45 connecting the first and second long walls 41 , 42 . The first long wall 41 has four first positioning portions 412 arranged along the longitudinal direction. The second long wall 42 has four second positioning portions 422 arranged along the longitudinal direction. The first long wall 41 includes a first body portion 411 and first and second extension portions 413 , 415 extending upward from two ends of the first body portion 411 . said The first protruding portion 413 is provided with a first pressing portion 414 . The second protruding portion 415 has a second pressing portion 416 . The second long wall 42 includes a second body portion 421 and third and fourth extension portions 423 , 425 extending upward from two ends of the second body portion 421 . The third extending portion 423 defines a third pressing portion 424 . The fourth extending portion 425 defines a fourth pressing portion 426 . The third protruding portion 423 is disposed corresponding to the first protruding portion 413 . The fourth protruding portion 425 is corresponding to the second protruding portion 415 . The first resisting portion 414 and the third resisting portion 424 are dislocated along a transverse direction perpendicular to the longitudinal direction. The second pressing portion 416 and the fourth pressing portion 426 are also dislocated along the transverse direction. The first and second positioning portions 412 , 422 cooperate with the concave holes provided on the light guide plate, so as to fix the light guide plate between the metal shells 40 of two adjacent card edge connectors 100 . The first, second, third and fourth pressing portions 414 , 416 , 424 , 426 press down against the upper edge of the light guide plate, thereby preventing the light guide plate from flying out. The first end wall 44 includes a first portion 441 and a second portion 442 , and the first portion 441 and the second portion 442 are engaged in a dovetail groove. The second end wall 45 includes a third portion 451 and a fourth portion 452 , and the third portion 451 and the fourth portion 452 are also engaged in a dovetail groove. The dovetail groove fastening structure prevents the end wall from warping.

Referring to FIG. 5 , top edges of the first long wall 41 and the second long wall 42 are respectively provided with a first folded portion 417 and a second folded portion 427 folded inward. A first groove 13 and a second groove 14 extending along the lengthwise direction are respectively provided on the lateral sides of the top surface of the insulating body 10 . The first folded portion 417 and the second folded portion 427 are locked in the first groove 13 and the second groove 14 respectively. The first folded portion 417 and the second folded portion 427 have a C-shaped structure. Referring to FIG. 6 , bottom edges of the first long wall 41 and the second long wall 42 are respectively provided with a first hook 418 and a second hook 428 bent inward. The first hook 418 and the second hook 428 are respectively fixed to two sides of the bottom of the insulating body 10 by riveting. The metal shell 40 is fixed to the insulating housing 10 by the first and second folded portions 417 and 427 and the first and second hooks 418 and 428 . Referring to the seventh figure, the metal casing 40 further includes a connecting portion 43 connecting the first and second long walls 41, 42, and the top surface of the insulating body 10 is provided with a receiving groove 15 extending along the transverse direction, The connecting portion 43 is accommodated in the receiving groove 15 . The insulating body 10 is also provided with a protruding portion 16 protruding into the receiving groove 15 , and the protruding portion 16 clamps the connecting portion 43 so as to prevent the metal shell 40 from shaking.

To sum up, the present invention clearly meets the requirements of an invention patent, and a patent application is filed in accordance with the law. However, the above description is only a preferred embodiment of the present invention, and it cannot limit the rights of the present invention. scope. 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

11: Main body

20: Conductive terminal

40: metal case

411: The first body

413: first extension

415: second extension

44: first end wall

10: Insulation body

12: Tower shaped part

30: lock card

41: The first long wall

412: The first positioning department

414: The first pressing part

416: the second pressing part

Claims (8)

A card edge connector, which includes a longitudinally long insulating body, a plurality of conductive terminals held in the insulating body, and a metal shell covering the insulating body, the insulating body includes two longitudinally long side walls, and the Card slots are formed between them, the plurality of conductive terminals are arranged along the inner wall of the side wall, and the metal shell includes two long walls attached to the outer wall of the side wall, wherein the metal shell is at the lower end of each long wall An outwardly protruding positioning portion is provided at the upper end of the long wall and a pressing portion extending outward and downward is provided at the upper end of the long wall, and the positioning portion is used to fix a light guide plate arranged on the side of the card edge connector in the longitudinal direction , the pressing portion is used to press down the upper edge of the light guide plate, and the positioning portion is a rectangular structure formed by direct punching of the long wall. The card edge connector according to claim 1, wherein the positioning portion is located near the bottom edge of the long wall, and the pressing portion is located near the top edge of the long wall. The card edge connector according to claim 2, wherein the insulating body includes a main body and tower-shaped parts located at both ends of the main body, and the long wall includes a body corresponding to the main body and a tower corresponding to the tower The protruding part of the body part, the pressing part is located at the protruding part and extends downwards to be flush with the top surface of the main body part. The card edge connector as claimed in claim 1, wherein the pressing portions of the two long walls are offset from each other in a transverse direction perpendicular to the longitudinal direction. The card edge connector according to claim 1, wherein the top edge of the long wall is provided with an inwardly folded folded portion, and the folded portion is fixed in a groove provided on the top surface of the insulating body . The card edge connector as described in Claim 1, wherein the two ends of the two long walls are respectively bent vertically to form end walls that are fastened to each other, and the end walls are fastened in a dovetail groove type. The card edge connector according to claim 1, wherein the bottom edge of the long wall is provided with an inwardly bent hook, and the hook is locked on the bottom of the insulating body. The card edge connector according to claim 1, wherein the long wall is provided with four positioning portions and two pressing portions.

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