Card edge connector

Abstract

A card edge connector is installed on a circuit board and fixed on the circuit board through at least one bolt, the card edge connector comprises a lengthwise insulation body, a conductive terminal provided with the insulation body and at least one nut, and the nut is fixed on the insulation body and used for the bolt to penetrate through so as to fix the card edge connector on the circuit board. The combination of the nut and the bolt can stably fix the card edge connector on the circuit board.

Description

[Technical field]

[0001] The utility model discloses a card edge connector. [Background technology]

[0002] For related known technologies, please refer to the Chinese utility model patent CN217444661U, which discloses an electrical connector for installation on a circuit board and for plugging a mating member, comprising an insulating body, a slot, two side walls arranged on the left and right sides of the slot, a first end wall arranged at one end of the slot in the front-to-back direction, and a mounting portion extending from the first end wall away from the slot in the front-to-back direction, wherein at least one stop portion is arranged at the bottom of the mounting portion or the first end wall below the mounting portion; a plurality of conductive terminals arranged at least one of the two side walls, wherein the conductive terminals have a contact portion , exposed in the slot, for contacting with the docking piece inserted into the slot to form an electrical connection; an ear buckle, the ear buckle is installed on the installation portion, for locking the docking piece inserted into the slot; a metal shell, the metal shell includes two left and right opposite side panels, a top plate connecting the two side panels and at least one pin extending downward from the bottom of each side panel, the two side panels cover the outside of the two side walls, the pin is used to insert into a through hole of the circuit board. It can be seen that the card edge connector is fixed to the circuit board by the metal shell pins and the terminal pins, and the stable retention of the card edge connector cannot be guaranteed.

[0003] Therefore, it is necessary to provide an improved card edge connector to solve the above problems. [Contents of the utility model]

[0004] The technical problem to be solved by the utility model is to provide a card edge connector which can be firmly fixed on a circuit board.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solution: a card edge connector, which is installed on a circuit board and fixed to the circuit board by at least one bolt. The card edge connector includes a longitudinal insulating body, a conductive terminal provided with the insulating body and at least one nut. The nut is fixed to the insulating body for allowing the bolt to pass through it to fix the card edge connector to the circuit board.

[0006] Compared with the prior art, the utility model has the following beneficial effects: the nut and bolt combination can firmly fix the card edge connector on the circuit board.

Brief Description of the Drawings

[0007] Figure 1 The utility model is a three-dimensional diagram of a card edge connector installed on a circuit board.

[0008] Figure 2 yes Figure 1 A partial perspective view of the card edge connector and circuit board from another perspective.

[0009] Figure 3 yes Figure 1 Exploded view of the card edge connector shown.

[0010] Figure 4 yes Figure 1 A partial exploded view of the card edge connector is shown.

[0011] Figure 5 yes Figure 1 A cross-sectional view of the card edge connector and circuit board along line AA is shown.

[0012] Figure 6 yes Figure 1 Bottom view of the card edge connector shown.

[0013]

Main component symbol description

[0014] Card Edge Connector 100 Conductive terminal 20 Insulation body 10 Bolt 30 Side wall 11 Nut 40 Depression groove 111 Top 401 Card slot 12 Shielding shell 50 Supporting part 13 Horizontal plate 51 Groove 14 Opening 511 Through slot 15 Vertical portion 52 Elevation 16 PCB pin 53 Circuit board 200 Solder point 54 Through hole 201 Locking structure 60

[0015] The following specific implementation manner will further illustrate the present utility model in conjunction with the above-mentioned drawings. [Specific implementation method]

[0016] Ginseng Figures 1 to 6 As shown, the utility model discloses a card edge connector 100, which is mounted on a circuit board 200 and is connected by at least one bolt 30 (see Figure 6 Schematic diagram) is fixed to the circuit board 200, the card edge connector 100 includes a longitudinal insulating body 10, a conductive terminal 20 disposed on the insulating body 10 and at least one nut 40, the nut 40 is fixed to the insulating body 10, and is used for the bolt 30 to pass through it to fix the card edge connector 100 on the circuit board 200.

[0017] Ginseng Figures 2 to 4 As shown, the bolt 30 passes through the through hole 201 provided in the circuit board 200 and is rotatably fixed on the nut 40, that is, the bolt 30 passes through the circuit board 200 from bottom to top and is finally fixed on the nut 40. Figure 3 and Figure 4 As shown, the insulating body 10 includes two side walls 11 and a slot 12 located between the two side walls 11 and extending upward. The insulating body 10 has a pair of support portions 13 extending from the outer sides of the side walls 11. The support portion 13 is provided with a groove 14 opening upward and a through slot 15 extending downward from the groove 14. The shape of the groove 14 matches the nut 40 to accommodate the nut 40. The bolt 30 passes through the through hole 201 of the circuit board 200 and the through slot 15 of the support portion 13 and is fixed to the nut 40, thereby securing the insulating body 10 to the circuit board 200.

[0018] Ginseng Figure 4 and Figure 5 As shown, the side wall 11 of the insulating body 10 is provided with a recessed groove 111 recessed inward from the outer wall surface thereof, and the recessed groove 111 penetrates upward and is connected to the groove 14 downward. When viewed from the top to the bottom, the shape of the recessed groove 111 matches the local shape of the groove 14, that is, the nut 40 is installed in the groove 14 from top to bottom along the recessed groove 111. The card edge connector 100 includes a shielding shell 50 surrounded by it, and the shielding shell 50 includes a horizontal plate 51 attached to the top surface of the support portion 13 and a vertical portion 52 bent vertically downward from the horizontal plate 51, and the vertical portion 52 is provided with a circuit board pin 53 extending downward. The provision of the horizontal plate 51 can stabilize the shielding shell 50 on the insulating body 10, and limit the insulating body 10 to a certain extent, and the further extended circuit board pin 53 strengthens the stabilization effect on the insulating body 10, so that it is well fixed on the circuit board 200. In addition, refer to Figure 3 and Figure 4 As shown, the groove 14 for receiving the nut 40 opens upward and outward so as to expose the top surface 401 of the nut 40. Figure 5 As shown, the horizontal plate 51 is attached to the top surface of the nut 40, so as to limit the nut 40. The shielding shell 50 is surrounded by the insulating body 10 and is welded to the top surface 401 of the nut 40 by spot welding. Specifically, the horizontal plate 51 is spot welded to the top surface 401 of the nut 40 to form a welding spot 54, wherein the spot welding method can be laser welding. In addition, an opening 511 is provided at the connection between the horizontal plate 51 and the vertical portion 52, and the opening 511 exposes the nut 40 and communicates with the air on the top surface of the nut 40. The horizontal plate 51 is welded to the top surface 401 of the nut 40 and further extends downward to form a circuit board pin 53, which can assist and strengthen the fixing of the nut 40 and the bolt 30 to the insulating body 10, thereby stabilizing the entire card edge connector 100 on the circuit board 200.

[0019] Ginseng Figure 4 and Figure 6 As shown, a locking structure 60 is pivotally connected to one end of the insulating body 10, and a supporting portion 13 is provided adjacent to the locking structure 60. The bottom surface of the supporting portion 13 is provided with a raised portion 16 protruding toward the circuit board 200, and the supporting portion 13 is provided with a through slot 15 for the bolt 30 to pass through. The through slot 15 passes through the raised portion 16 downward, and the raised portion 16 plays a certain supporting role on the insulating body 10.

[0020] In summary, the above are only preferred embodiments of the present invention, and should not be used to limit the scope of the present invention. That is, any simple equivalent changes and modifications made according to the claims of the present invention and the contents of the present invention specification should still fall within the scope of the present invention patent.

Claims

1. A card edge connector, mounted on a circuit board and fixed to the circuit board by at least one bolt, characterized in that: The card edge connector includes a longitudinal insulating body, a conductive terminal disposed on the insulating body, and at least one nut. The nut is fixed to the insulating body and is used for the bolt to pass through the nut to fix the card edge connector on the circuit board.

2. The card edge connector according to claim 1, wherein: The bolt passes through a through hole provided in the circuit board and is rotatably fixed on the nut.

3. The card edge connector according to claim 2, wherein: The insulating body is provided with a supporting portion, and the supporting portion is provided with a groove opening upward and a through groove penetrating downward from the groove. The shape of the groove matches the nut to accommodate the nut, and the bolt passes through the through hole of the circuit board and the through groove of the supporting portion and is fixed to the nut.

4. The card edge connector according to claim 3, wherein: The card edge connector includes a shielding shell surrounding it, the shielding shell includes a horizontal plate attached to the top surface of the support portion and a vertical portion bent vertically downward from the horizontal plate, and the vertical portion is provided with a circuit board pin extending downward.

5. The card edge connector according to claim 1, wherein: The insulating body includes two side walls and a slot located between the two side walls and extending upward. The insulating body has a pair of supporting parts extending from the outer sides of the side walls. The supporting parts are provided with a groove opening upward and a through groove extending downward from the groove. The shape of the groove matches the nut to accommodate the nut.

6. The card edge connector according to claim 5, wherein: The side wall is provided with a concave groove which is inwardly recessed from its outer wall surface. The concave groove penetrates upward and is connected to the groove downward. When viewed from top to bottom, the shape of the concave groove matches the local shape of the groove.

7. The card edge connector according to claim 1, wherein: The card edge connector comprises a shielding shell surrounding the insulating body, and the shielding shell is welded to the top surface of the nut by spot welding.

8. The card edge connector according to claim 7, wherein: The insulating body is provided with a supporting portion, the supporting portion is provided with an upwardly open groove, the shape of the groove matches the nut to accommodate the nut, and the shielding shell includes a horizontal plate attached to the top surface of the supporting portion, the horizontal plate is spot welded to the top surface of the nut to form a welding point.

9. The card edge connector according to claim 1, wherein: A locking structure is pivotally connected to one end of the insulating body. A supporting portion is disposed on the insulating body adjacent to the locking structure. A raised portion protruding toward the circuit board is disposed on the bottom surface of the supporting portion.

10. The card edge connector according to claim 9, wherein: The support portion is provided with a through slot for the bolt to pass through, and the through slot passes through the raised portion downward.

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