CN219626922U - Card edge connector and electronic equipment - Google Patents

Abstract

The utility model relates to the technical field of connectors, in particular to a card edge connector which comprises an insulating body, a first terminal assembly and a second terminal assembly; the insulation body is provided with a containing cavity, an opening, a first containing groove and a second containing groove, the containing cavity is communicated with the opening, the first containing groove and the second containing groove respectively, one end of the containing cavity far away from the opening is provided with a lower concave part, the lower concave part is used for containing the front end part of the module card, the first containing groove is arranged at one end of the containing cavity close to the opening, and the second containing groove is arranged at the top of the containing cavity; the first terminal assembly is arranged in the first accommodating groove; the second terminal assembly is arranged in the second accommodating groove. The utility model is used for accommodating the front end part of the obliquely inserted and pulled module card through the arrangement of the accommodating cavity and the concave part, so that the module card can be obliquely inserted and pulled, and the module card is greatly convenient for a user to install and detach.

Description

Card edge connector and electronic equipment

Technical Field

The present utility model relates to the field of connectors, and in particular, to a card edge connector and an electronic device.

Background

The card edge connector is one kind of electric connector for computer hardware expansion, and is used for plugging electronic card, which may be memory, data card, radio network card, etc. and is used mainly in inputting signal to electronic card or outputting signal from electronic card to computer system.

At present, when a module card is installed, the module card can only be horizontally inserted and pulled out, and cannot be inserted and pulled out at an inclined angle, so that the module card is inconvenient to install. If the module card is inserted and pulled at an inclined angle, the damage of the card edge connector is easily caused, for example, the module card prys the plastic upper wall of the card edge connector to cause the solder pin of the lower row terminal of the card edge connector to be pulled apart, or the module card prys the plastic upper wall of the card edge connector to cause the plastic upper wall of the card edge connector to be pulled apart.

Therefore, there is a need for a card edge connector for a tilt angle plug module card.

Disclosure of Invention

The utility model mainly solves the technical problem of providing a card edge connector capable of inserting and pulling a module card at an inclined angle.

In order to solve the technical problems, the utility model adopts a technical scheme that: a card edge connector comprises an insulating body, a first terminal assembly and a second terminal assembly; the insulation body is provided with a containing cavity, an opening, a first containing groove and a second containing groove, the containing cavity is communicated with the opening, the first containing groove and the second containing groove respectively, one end of the containing cavity far away from the opening is provided with a lower concave part, the lower concave part is used for containing the front end part of the module card, the first containing groove is arranged at one end of the containing cavity close to the opening, and the second containing groove is arranged at the top of the containing cavity; the first terminal assembly is arranged in the first accommodating groove; the second terminal assembly is arranged in the second accommodating groove; when the module card is obliquely inserted into the accommodating cavity along the opening, the front end part of the module card is accommodated in the concave part to form an inclined included angle, and the first terminal assembly and the second terminal assembly are respectively abutted with the signal connection parts on the front surface and the back surface of the front end part of the module card.

Optionally, the first terminal assembly includes a plurality of first signal terminals, and the first accommodating groove is provided with a plurality of first signal terminals; a first signal terminal is arranged in a first accommodating groove, and one end part of the first signal terminal extending to the accommodating cavity protrudes out of a notch of the first accommodating groove.

Optionally, the bottom of the insulating body is further provided with a plurality of through holes, one through hole is communicated with one side of a first accommodating groove, and the other through hole is communicated with the other side of the first accommodating groove; wherein, a plurality of through-holes and a plurality of first accepting groove intercommunication jointly form the concave part.

Optionally, the second terminal assembly includes a plurality of second signal terminals and a plurality of grounding terminals, and the second accommodating groove is provided with a plurality of second signal terminals and a plurality of grounding terminals corresponding to the plurality of second signal terminals; the second signal terminal is arranged in a second accommodating groove, and one end part of the second signal terminal extending to the accommodating cavity protrudes out of a notch of the second accommodating groove; the grounding terminal is arranged in the second accommodating groove, extends to the accommodating cavity and is used for being abutted with the module card.

Optionally, the device further comprises a metal sheet; the insulating body is kept away from the one end of acceping the chamber and still is equipped with the draw-in groove, and draw-in groove and second acceping the one end of chamber of acceping are kept away from to the second, and the one end that the earthing terminal kept away from the chamber of acceping is equipped with the bellying, and the sheetmetal sets up in the draw-in groove, and the sheetmetal contacts with the bellying.

Optionally, the metal sheet and the protruding portion are in surface contact.

Optionally, the metal sheet is provided with a bayonet, the bottom of the clamping groove is provided with a clamping block, and the bayonet is fixedly clamped with the clamping block when the metal sheet stretches into the bottom of the clamping groove along the notch of the clamping groove.

Optionally, the device further comprises a circuit board, wherein the circuit board is provided with a positioning hole, the insulating body is further provided with a positioning column, and the positioning column is inserted into the positioning hole.

Optionally, the insulation body is further provided with a slot, the fixing piece is inserted into the slot, and the fixing piece is used for being fixedly connected with the circuit board.

In order to solve the technical problems, the utility model adopts another technical scheme that: an electronic device is provided, which comprises the card edge connector.

The beneficial effects of the utility model are as follows: in comparison with the prior art, the utility model is used for accommodating the front end part of the obliquely inserted module card by the arrangement of the accommodating cavity and the concave part, when the module card is obliquely inserted into the accommodating cavity along the opening, the concave part accommodates the front end part of the module card and forms an oblique included angle, and the first terminal component and the second terminal component are respectively abutted with the signal connection parts on the front surface and the back surface of the front end part of the module card, so that the module card can be obliquely inserted and pulled, and the module card is greatly convenient for a user to install and detach.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a schematic view of the whole structure of a card edge connector according to the present utility model;

fig. 2 is a schematic structural view of a second terminal assembly of the card edge connector according to the present utility model;

fig. 3 is a schematic structural diagram of a second terminal assembly of the card edge connector according to the present utility model;

fig. 4 is an enlarged view of a portion a in fig. 3;

FIG. 5 is an exploded view of the overall structure of the card edge connector provided by the present utility model;

fig. 6 is a schematic structural diagram of an insulation body of a card edge connector according to the present utility model;

FIG. 7 is a schematic view of the mounting of a metal sheet of a card edge connector according to the present utility model;

fig. 8 is a schematic connection diagram of a metal sheet and a ground terminal of the card edge connector provided by the utility model;

FIG. 9 is a schematic view of a through hole of the card edge connector according to the present utility model;

fig. 10 is a schematic structural view of a concave portion of the card edge connector provided by the utility model.

In the figure: the insulation body 1, the housing cavity 10, the concave part 100, the opening 11, the first housing groove 12, the second housing groove 13, the clamping groove 14, the clamping block 140, the slot 15, the through hole 16, the positioning column 17, the first terminal component 2, the first signal terminal 20, the second terminal component 3, the second signal terminal 30, the grounding terminal 31, the protruding part 310, the metal sheet 4, the bayonet 40, the fixing piece 5, the circuit board 6 and the positioning hole 60.

Detailed Description

In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "upper," "lower," "inner," "outer," "vertical," "horizontal," and the like as used in this specification, refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, a card edge connector includes an insulation body 1, a first terminal assembly 2 and a second terminal assembly 3; the insulation body 1 is provided with a containing cavity 10, an opening 11, a first containing groove 12 and a second containing groove 13, the containing cavity 10 is communicated with the opening 11, the first containing groove 12 and the second containing groove 13 respectively, one end of the containing cavity 10 far away from the opening 11 is provided with a lower concave part 100, the lower concave part 100 is used for containing the front end part of the die card group, the first containing groove 12 is arranged at one end of the containing cavity 10 close to the opening 11, and the second containing groove 13 is arranged at the top of the containing cavity 10; the first terminal assembly 2 is arranged in the first accommodating groove 12; the second terminal assembly 3 is disposed in the second receiving groove 13.

In one embodiment, for the structure of the card edge connector, the following is specific: the insulation body 1 is a plastic insulation body 1, the insulation body 1 is provided with a first end and a second end, the accommodating cavity 10, the opening 11 and the first accommodating groove 12 are all arranged at the first end of the insulation body 1, the first accommodating groove 12 is close to the opening 11, the lower concave part 100 is far away from the opening 11, the second accommodating groove 13 is arranged at the top of the accommodating cavity 10, one end of the second accommodating groove 13 penetrates through the insulation body 1 to extend to the bottom of the second end of the insulation body 1, the first terminal assembly 2 is arranged at the first accommodating groove 12, one end of the first terminal assembly 2 extends to the outside of the first accommodating groove 12, the second terminal assembly 3 is arranged at the second accommodating groove 13, one end of the second terminal assembly 3 is arranged at the top of the accommodating cavity 10, and the other end of the second terminal assembly 3 penetrates through the second accommodating groove 13 to the outside of the second accommodating groove 13, so that the whole structure of the card edge connector is formed.

For the installation or the disassembly of the card edge connector and the module card, the following is concrete: when the module card needs to be installed, the module card is obliquely inserted into the accommodating cavity 10 along the opening 11, so that the concave part 100 accommodates the front end part of the module card and forms an oblique included angle, and meanwhile, the first terminal assembly 2 and the second terminal assembly 3 are respectively connected and conducted with the signal connection parts on the front and back sides of the front end part of the module card. When the module card needs to be disassembled, the module card is obliquely pulled out from the accommodating cavity 10 along the opening 11, so that the front end part of the module card is separated from the concave part 100 and the accommodating cavity 10.

Further, since the concave portion 100 accommodates the front end portion of the module card, the concave height of the concave portion 100 is related to the tilt angle of the tilt insertion and extraction of the module card, that is, the deeper the concave depth of the concave portion 100, the larger the tilt angle of the tilt insertion and extraction is allowed.

For the first terminal assembly 2, referring to fig. 1 to 8, the first terminal assembly 2 includes a plurality of first signal terminals 20, and the first receiving groove 12 is provided with a plurality of first signal terminals 20; a first signal terminal 20 is disposed in a first receiving groove 12, and a portion of the first signal terminal 20 extending to one end of the receiving cavity 10 protrudes out of a notch of the first receiving groove 12.

In an embodiment, the first signal terminal 20 is in a strip shape, when the first signal terminal 20 is accommodated in the first accommodating groove 12, one end portion of the first signal terminal 20 protrudes out of the notch of the first accommodating groove 12, and the protruding portion is arc-shaped, so that the first signal terminal 20 is convenient to connect and conduct with the obliquely inserted module card, and the other end of the first signal terminal 20 extends to the outside of the first accommodating groove 12, i.e. the other end of the first signal terminal 20 is located outside the first end of the insulating body 1 for establishing connection with a circuit board.

Further, for the above-mentioned concave portion 100, based on the overall height of the card edge connector being less than 3mm, in order to meet the actual processing requirement, that is, the module is integrally injection molded, referring to fig. 8 and 9, the bottom of the insulating body 1 is further provided with a plurality of through holes 16, one through hole 16 is communicated with one side of a first receiving slot 12, and the other through hole 16 is communicated with the other side of the first receiving slot 12; wherein, a plurality of through holes 16 and a plurality of first accepting grooves 12 are communicated to form a concave part 100 jointly, and through the arrangement of the through holes, the concave part still keeps the intensity of a plurality of first accepting grooves when meeting the actual processing requirement.

For the second terminal assembly 3, referring to fig. 1 to 8, the second terminal assembly 3 includes a plurality of second signal terminals 30 and a plurality of ground terminals 31, and the second receiving groove 13 is provided with a plurality of second signal terminals 30 and a plurality of ground terminals 31; a second signal terminal 30 is disposed in a second receiving groove 13, and a portion of the second signal terminal 30 extending to one end of the receiving cavity 10 protrudes out of a notch of the second receiving groove 13; a ground terminal 31 is disposed in a second receiving groove 13, and the ground terminal 31 extends to the receiving cavity 10 for abutting against the die card set.

In an embodiment, the second signal terminal 30 is in a strip shape, and the second signal terminal 30 is in a zigzag shape, when the second signal terminal 30 is accommodated in the second accommodating groove 13, one end portion of the second signal terminal 30 protrudes out of the notch of the second accommodating groove 13 at the top of the accommodating cavity 10, and the protruding portion is arc-shaped, so that the second signal terminal 30 is conveniently connected and conducted with the obliquely inserted module card, and the other end of the second signal terminal 30 extends to the outside of the second accommodating groove 13 through the second accommodating groove 13, i.e. the other end of the second signal terminal 30 is located outside the second end of the insulating body 1 for establishing connection with a circuit board. In addition, the ground terminal 31 is also elongated, and the ground terminal 31 is also zigzag, and reference may be made to the second signal terminal 30 for the positional relationship and function of the ground terminal 31, which will not be described in detail herein.

For the card edge connector, referring to fig. 1 to 8, the card edge connector further includes a metal sheet 4; the insulating body 1 is further provided with a clamping groove 14 at one end far away from the accommodating cavity 10, the clamping groove 14 is communicated with one end far away from the accommodating cavity 10, the grounding terminal 31 is provided with a protruding portion 310 at one end far away from the accommodating cavity 10, the metal sheet 4 is arranged in the clamping groove 14, and the metal sheet 4 is in contact with the protruding portion 310.

In an embodiment, since the grounding terminal 31 is zigzag, the end of the grounding terminal 31 away from the accommodating cavity 10 is located at the bottom of the second accommodating groove 13, and therefore, the end of the grounding terminal 31 away from the accommodating cavity 10 is provided with the protruding portion 310 extending to the clamping groove 14, and after the metal sheet 4 disposed in the clamping groove 14 contacts with the protruding portion 310, the metal sheet 4 and the grounding terminal 31 achieve electrical shorting, thereby increasing the high frequency signal shielding and improving the high frequency signal return path, so as to achieve the purpose of reducing the crosstalk resonance of the high frequency signal and improving the transmission quality of the high frequency signal.

Further, as for the metal sheet 4, referring to fig. 8, the metal sheet 4 and the protruding portion 310 are in surface contact.

In an embodiment, when the metal sheet 4 is disposed in the card slot 14, the metal sheet 4 is parallel to the card slot 14, and the top of the protruding portion 310 is disposed in a plane, so that when the metal sheet 4 contacts with the protruding portion 310, the metal sheet 4 contacts with the protruding portion 310 in parallel, and the contact area between the metal sheet 4 and the protruding portion 310 can be enlarged by the surface contact, so as to facilitate electrical shorting between the metal sheet 4 and the grounding terminal 31, thereby further improving the quality of high-frequency signal transmission.

Further, referring to fig. 4 to 8, for the metal sheet 4, the metal sheet 4 is provided with a bayonet 40, a clamping block 140 is provided at the bottom of the clamping groove 14, and the bayonet 40 is clamped and fixed with the clamping block 140 when the metal sheet 4 extends into the bottom of the clamping groove 14 along the notch of the clamping groove 14.

In an embodiment, the metal sheet 4 is provided with a plurality of bayonets 40 with uniform intervals, the bottom of the clamping groove 14 is provided with a plurality of clamping blocks 140 with uniform intervals, and when the metal sheet 4 extends into the bottom of the clamping groove 14 along the notch of the clamping groove 14, the bayonets 40 and the clamping blocks 140 are clamped and fixed in an interference fit manner, so that the metal sheet 4 is convenient to install and detach.

For the above-mentioned card edge connector, please refer to fig. 1 to 4, the connector further includes a circuit board 6, the circuit board 6 is provided with a positioning hole 60, the insulating body 1 is further provided with a positioning post 17, and the positioning post 17 is inserted into the positioning hole 60.

In an embodiment, since the circuit board 6 is provided with a plurality of signal connection parts connected with the first signal terminal 20, the second signal terminal 30 and the ground terminal 31, in order to facilitate connection and conduction between the first signal terminal 20, the second signal terminal 30 and the ground terminal 31 and the circuit board 6, the card edge connector is provided with a positioning structure, specifically the circuit board 6 is provided with a positioning hole 60, the insulating body 1 is further provided with a positioning column 17 matching the shape and the size of the positioning hole 60, and connection and installation of the insulating body 1 and the circuit board 6 can be guided through the positioning hole 60 and the positioning column 17.

For the above card edge connector, please refer to fig. 1 to 4, the connector further includes a fixing member 5, the insulating body 1 is further provided with a slot 15, the fixing member 5 is inserted into the slot 15, and the fixing member 5 is used for connecting and fixing with a circuit board.

In an embodiment, the fixing piece 5 is a metal welding fixing piece, and the fixing piece 5 is arranged to enable the whole of the card edge connector to be fixed on the circuit board in a welding and fixing mode through the fixing piece 5, and to be connected with the circuit board, so that stability of the card edge connector is improved, and stable transmission of the card edge connector is guaranteed.

The utility model further provides an embodiment of an electronic device, where the electronic device includes the card edge connector, and specific structures and functions of the card edge connector can be referred to the above embodiment, and are not described herein again.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (10)

1. A card edge connector, comprising:

the insulation body is provided with a containing cavity, an opening, a first containing groove and a second containing groove, wherein the containing cavity is communicated with the opening, the first containing groove and the second containing groove respectively, one end of the containing cavity, which is far away from the opening, is provided with a lower concave part, the lower concave part is used for containing the front end part of the module card, the first containing groove is arranged at one end, close to the opening, of the containing cavity, and the second containing groove is arranged at the top of the containing cavity;

the first terminal assembly is arranged in the first accommodating groove;

the second terminal assembly is arranged in the second accommodating groove;

when the module card is obliquely inserted into the accommodating cavity along the opening, the front end part of the module card is accommodated in the concave part to form an inclined included angle, and the first terminal assembly and the second terminal assembly are respectively abutted with signal connecting parts on the front surface and the back surface of the front end part of the module card.

2. The card edge connector as claimed in claim 1, wherein the first terminal assembly includes a plurality of first signal terminals, and the first receiving slot is provided with a plurality of first signal terminals;

one end part of one first signal terminal extending to the accommodating cavity protrudes out of the notch of one first accommodating groove.

3. The card edge connector as claimed in claim 2, wherein the bottom of the insulating body is further provided with a plurality of through holes, one through hole is communicated with one side of the first receiving groove, and the other through hole is communicated with the other side of the first receiving groove;

the through holes are communicated with two sides of the first accommodating grooves to form the concave part.

4. The card edge connector as claimed in claim 1, wherein the second terminal assembly includes a plurality of second signal terminals and a plurality of ground terminals, and the second receiving slot is provided with a plurality of second signal terminals and a plurality of ground terminals;

the second signal terminal is arranged in the second accommodating groove, and one end part of the second signal terminal extending to the accommodating cavity protrudes out of the notch of the second accommodating groove;

the grounding terminal is arranged in the second accommodating groove, extends to the accommodating cavity and is used for being abutted with the module card.

5. The card edge connector of claim 4, further comprising a metal sheet;

the insulation body is far away from one end of the accommodating cavity and is further provided with a clamping groove, the clamping groove is communicated with one end of the second accommodating groove far away from the accommodating cavity, one end of the grounding terminal far away from the accommodating cavity is provided with a protruding portion, the metal sheet is arranged in the clamping groove, and the metal sheet is in contact with the protruding portion.

6. The card edge connector of claim 5, wherein the metal sheet and the boss are in surface contact.

7. The card edge connector according to claim 5, wherein the metal sheet is provided with a bayonet, a clamping block is provided at the bottom of the clamping groove, and the bayonet is fixedly clamped with the clamping block when the metal sheet extends into the bottom of the clamping groove along the notch of the clamping groove.

8. The card edge connector of claim 1, further comprising a circuit board, wherein the circuit board is provided with a positioning hole, and wherein the insulating body is further provided with a positioning post, and wherein the positioning post is inserted into the positioning hole.

9. The card edge connector of claim 8, further comprising a fixing member, wherein the insulative housing is further provided with a slot, the fixing member is inserted into the slot, and the fixing member is used for connecting and fixing with the circuit board.

10. An electronic device comprising the card edge connector of any one of claims 1-9.