TWI678030B - Card edge connector - Google Patents

Abstract

A card edge connector includes a vertically long insulating body, a plurality of conductive terminals fixed in the insulating body, and a metal frame assembled in the insulating body. The insulating body is provided with two side walls extending along the lengthwise direction thereof and two end walls connected to the lengthwise ends of the two side walls. The metal frame is integrally formed in the insulation body, and includes a vertically long flat plate portion and a holding portion extending downward from the longitudinal ends of the flat plate portion. The flat plate portion is embedded in an upper portion of the insulation body. The metal frame is embedded in the insulating body, which can enhance the load-bearing performance of the product, and the product can withstand heavy graphics cards.

Description

Card edge connector

The invention relates to a card edge connector, in particular to a card edge connector for inserting an electronic card.

At present, the card edge connector used to connect expansion cards and circuit boards in the industry generally includes a plastic base and an ear buckle device. The plastic base is provided with a plurality of conductive terminals, and tower-shaped portions are provided on both sides thereof. A storage space for accommodating an ear buckle device is provided in the middle, and two side walls of the accommodation space are provided with pivot holes. The ear buckle device is pivotally connected in the pivot hole. The ear buckle device can stably hold the expansion card to the card edge connector. Inside, to prevent signal interruption due to vibration detachment, at the same time, the ear buckle device is also provided with a card ejection mechanism, and the expansion card can be ejected from the card edge connector through the rotation of the ear buckle. However, with the development of electronic equipment, the conventional card edge connector is limited to its plastic structure and strength, and cannot support heavier graphics cards.

Therefore, it is really necessary to provide a new card edge connector to overcome the above defects.

In view of the foregoing, a technical problem to be solved by the present invention is to provide a card edge connector having a metal frame, wherein the metal frame is integrally formed in an insulating body.

In order to solve the above technical problems, the present invention may adopt the following technical solution: A card edge connector includes a vertically long insulating body, a plurality of conductive terminals held in the insulating body, and a metal frame assembled in the insulating body. The insulating body is provided with two side walls extending along the lengthwise direction and two end walls connected to the lengthwise ends of the two side walls. The metal frame is integrally formed in the insulating body, and includes a vertically long flat plate portion and a holding portion extending downward from the longitudinal ends of the flat plate portion. The flat plate portion is embedded in an upper portion of the insulating body.

Compared with the prior art, when the metal frame of the present invention is integrally formed in the insulating body and includes a long flat plate portion and a holding portion extending downward from the long ends of the flat plate portion, the flat plate portion is buried. On the upper part of the insulation body. The metal frame is embedded in the insulating body, which can enhance the load-bearing performance of the product, and the product can withstand heavy graphics cards.

100‧‧‧Card Edge Connector

10‧‧‧Insulated body

11‧‧‧ sidewall

110‧‧‧Terminal Slot

111‧‧‧ pivot hole

12‧‧‧ end wall

120‧‧‧Boss

13‧‧‧slot

14‧‧‧Foolproof Department

15‧‧‧ horizontal groove

20‧‧‧Ear buckle

21‧‧‧Main body

211‧‧‧first light guide surface

212‧‧‧Second light guide surface

22‧‧‧ Pivot

23‧‧‧Trigger

24‧‧‧holding arm

25‧‧‧Deduction department

30‧‧‧terminal

31‧‧‧holding department

32‧‧‧Contact

33‧‧‧Welding Department

40‧‧‧ metal frame

41‧‧‧ Flat Department

410‧‧‧ opening

411‧‧‧ rib

42‧‧‧holding department

421‧‧‧ holding feet

43‧‧‧Foolproof film

44‧‧‧Mask

441‧‧‧ Hollow

50‧‧‧ mated with electronic board

51‧‧‧first light source

52‧‧‧second light source

60‧‧‧light guide

The first figure is a perspective view of the card edge connector of the present invention; the second figure is an exploded view of the card edge connector shown in the first figure; the third figure is an exploded view of the card edge connector shown in the first figure at another angle The fourth figure is a cross-sectional view of the card edge connector shown in the first figure along the IV-IV direction; and the fifth figure is a partial cross-sectional view of the card edge connector of the present invention when it is mounted on an electronic board.

Please refer to the first diagram to the second diagram. The present invention provides a card edge connector 100 for inserting an electronic card (not shown). The card edge connector 100 includes a vertically long insulating body 10, a device An ear buckle portion 20 on the longitudinal end of the insulating body 10, a plurality of conductive terminals 30 housed in the insulating body 10, and a metal frame 40 fixing the insulating body 10 to an electronic board 50. The insulating body 10 includes two side walls 11 extending along the longitudinal direction thereof and two end walls 12 connected to the longitudinal ends of the two side walls 11. The two side walls 11 and the two end walls 12 are formed to receive The longitudinal slot 13 of the electronic card. The two side walls 11 are respectively recessed with a row of terminal grooves 110 for receiving the conductive terminals 30.

Please refer to the second and third figures. The ear buckle portion 20 is made of transparent material and includes a main body portion 21, a pivot shaft 22 provided below the main body portion 21, and a main body portion 21. The trigger portion 23 extends upward and away from the slot 13, and the latching portion 25 and the latching arm 24 are also provided above the main body portion 21 but extend toward the slot 13. The insulating body 10 is provided with a pivot hole 111 at a longitudinal end thereof. The pivot hole 111 is provided corresponding to the pivot shaft 22. When the pivot shaft 22 is assembled to the pivot hole 111, The ear buckle portion 20 can be rotated around the pivot shaft 22 to realize the locking and releasing operations of the electronic card inserted into the card edge connector 100. With reference to the fifth figure, the bottom surface of the main body portion 21 of the ear buckle portion 20 is provided with a first light guide surface 211 and a second light guide surface 212. When the ear buckle portion 20 is in a closed state, the first light guide surface 211 is aligned with the first light source 51 and transmits the light from the first light source 51 to the ear buckle portion 20; when the ear buckle portion 20 is in an open state, the second light guide surface 212 is aligned with the second light source 52 and the second The light from the light source 52 is transmitted to the ear buckle portion 20. The first light source 51 and the second light source 52 are LED lamps which are mounted on the mating electronic board 50 and can emit light of different colors. With this, when the ear buckle portion 20 When the card is locked and released, the LED light emits light of different colors corresponding to the ear buckle 20, so that the user can realize the color of the ear buckle 20 by opening / closing the ear buckle 20 The change allows the user to accurately understand the use state of the ear buckle portion 20.

The terminal 30 is received in the terminal slot 110 and includes a holding portion 31, a contact portion 32 extending upward from the holding portion 31 and protruding into the slot 13, and extending downward from the holding portion 31. Welding portion 33 of the insulating body 10. When the docking electronic card is inserted into the card edge connector 100, the contact portion 32 is electrically connected to the electronic card, and the mating electronic card and the mating electronics are realized by welding to the soldering portion 33 of the mating electronic board 50. Electrical communication of the board 50.

Referring to the second to fourth figures, the metal frame 40 is punched out of a sheet of metal and integrally formed in the insulating body 10. The metal frame 40 includes a vertically long flat plate portion 41, a retaining portion 42 extending downwardly from both longitudinal ends of the flat plate portion 41, and a shielding sheet 44 extending downwardly from the flat plate portion 41 in a lateral direction perpendicular to the longitudinal direction. The flat plate portion 41 is embedded in the upper portion of the insulating body 10 and is provided with an opening 410 corresponding to the longitudinal slot 13 and reinforcing ribs 411 extending downward from the lateral sides of the opening 410. The reinforcing ribs 411 are used to further increase the Strength of the insulating body 10. The holding portion 42 is embedded in the end wall 12 of the insulating body 10 and is provided with a holding leg 421 extending downward from the insulating body 10. The holding leg 421 can be mated with the mating electronic board 50 and welded to it. In order to limit the card edge connector 100 on the mating electronic board 50 to avoid the phenomenon of falling off.

The shielding sheet 44 of the metal frame 40 is located outside the side wall 11 of the insulating body 10 and is provided with a transparent hollow portion 441. A light guide plate 60 is provided between the shielding sheet 44 and the side wall 11. The light guide plate 60 is disposed in the lateral groove 15 of the side wall 11 of the insulating body 10 and an LED lamp (not shown) is installed at the bottom thereof. When the LED lamp emits light, the light emitted by the light source is transmitted to the hollow portion 441 of the shielding sheet 44 through the light guide plate 60 and exits from the hollow portion 441. At this time, the light-transmitting hollow portion 441 can display the unique logo of the product or form a beautiful pattern. In this embodiment, the metal frame 40 has a shielding sheet 44 and a light guide plate 60 for transmitting light to the hollow portion 441 is provided between the shielding sheet 44 and the side wall 11 so as to display a unique logo or a beautiful pattern of the product; In other embodiments, if the user does not need a product logo or other patterns, the metal frame 40 may not have a shielding sheet 44, so that the light guide plate 60 may not be provided on the outside of the two side walls 11 of the insulating body 10.

The insulating body 10 further includes a foolproof portion 14 located in the slot 13 and inclined to the one end wall 12. The opening 410 of the metal frame 40 is provided with a foolproof sheet 43 corresponding to the foolproof portion 14 to prevent Incorrect insertion of electronic card. It should be noted that, a boss 120 is provided at the bottom of the end wall 12, and the holding leg 421 of the metal frame 40 is disposed through the boss 120, and during assembly, the boss 120 can directly abut against the mating electronic board. 50, so that the metal frame 40 integrally formed in the insulating body 10 has better stability.

In summary, the present invention complies with the elements of an invention patent, and a patent application is filed in accordance with the law. However, the above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the foregoing embodiments. For example, those who are familiar with the art of the present case make equivalent modifications or changes based on the spirit of the present invention. It should be covered by the following patent applications.

Claims (10)

A card edge connector includes: an insulating body, which is arranged vertically and provided with two side walls extending along the lengthwise direction thereof and two end walls connected to the lengthwise ends of the two side walls; a plurality of conductive terminals. Fixed in the insulating body; a metal frame is assembled in the insulating body; wherein the metal frame is integrally formed in the insulating body and includes a vertically long flat plate portion and two longitudinal ends from the flat plate portion A downwardly extending holding portion, the holding portion is parallel to the end wall and is embedded in the end wall, and the flat plate portion is embedded in an upper portion of the insulating body. The card edge connector according to item 1 of the patent application scope, wherein the holding portion is provided with a holding leg extending downward from the insulating body. The card edge connector according to item 2 of the scope of the patent application, wherein the bottom of the end wall is provided with a boss, and the holding leg of the metal frame is disposed through the boss. The card edge connector according to item 2 of the scope of patent application, wherein the two side walls and the two end walls are surrounded to form a longitudinal slot, and the flat plate portion is provided with an opening corresponding to the longitudinal slot and two horizontally from the opening Reinforcement ribs extending sideways. The card edge connector according to item 4 of the scope of patent application, wherein the insulating body further includes a foolproof portion located in the slot and leaning to one end wall, and the opening of the metal frame is provided with a fender corresponding to the foolproof portion. Dumb. The card edge connector according to item 1 of the patent application scope, wherein the metal frame includes a shielding piece extending downward from the flat plate portion in a lateral direction perpendicular to the longitudinal direction, and the shielding piece is located outside the side wall of the insulating body A translucent hollow portion is provided. The card edge connector according to item 6 of the patent application scope, wherein a light guide plate for transmitting the light source to the hollow portion is provided between the shielding sheet and the side wall. The card edge connector according to item 7 of the scope of patent application, wherein a lateral groove is provided on the outer side of the side wall, and the light guide plate is disposed in the lateral groove of the side wall. The card edge connector according to item 1 of the patent application scope, wherein the card edge connector further includes an ear buckle portion provided on a long end of the insulating body, the ear buckle portion is made of a transparent material and the The bottom is provided with a first light guide surface that conducts the first light source and a second light guide surface that conducts the second light source. When the ear clasp is in a closed state, the first light guide surface is aligned with the first light source and the The light is transmitted to the ear clasp part, and when the ear clasp part is in an open state, the second light guide surface is aligned with the second light source and transmits the light of the second light source to the ear clasp part. The card edge connector according to item 9 of the scope of patent application, wherein the first light source and the second light source are LED lights that can emit light of different colors.