CN201054397Y - Electronic card connector - Google Patents

Abstract

The utility model relates to an electric card connector, comprising an insulator main body, a plurality of conductive terminals which are arranged inside the insulator main body, and a shield shell which is covered on the insulator main body, wherein, the electric card connector also comprises a nut which is arranged on the shield shell. The nut is provided with a plurality of columns which are contained inside the shield shell, thereby effectively increasing the combination force between the nut and the shield shell.

Description

electronic card connector

【Technical field】

The utility model relates to an electronic card connector, in particular to a firmly assembled electronic card connector.

【Background technique】

PC card is an electronic card used to add expansion devices such as memory, network and wireless communication to computers and other communication and electronic equipment. Almost all notebook computers have PC card slots on the side for expanding memory or Network and other peripheral functions. PCMCIA (Personal Computer Memory Card International Association-Personal Computer Memory Card International Association) announced a new standard of PC card again at the end of 2003, namely Express Card. This Express Card standard PC card has two shapes, one is L-shaped, and the other is rectangular. The width of the rectangular PC card is the same as the minimum width of the L-shaped PC card. There are also two types of electrical connectors used in the Express Card standard: L-shaped and rectangular. The L-shaped electrical connector can be mated with any one of the two types of cards, while the rectangular electrical connector can only be mated with the rectangular PC card.

This type of electrical connector is usually mounted on a circuit board and mainly includes an insulating body, conductive terminals and a metal shell. Some metal shells and insulating bodies are connected to the circuit board by welding, and some are fixed to the circuit board by cooperation of bolts and nuts. For the matching method of bolts and nuts, usually the bolts pass through the circuit board and the insulating body or metal shell from the bottom of the circuit board, and screw into the nut on the upper part of the electrical connector, so as to fix the electrical connector to the circuit board. Some nuts also adopt a columnar structure, which passes through the metal shell and directly interferes with the metal shell, and the bolts are screwed into the screw holes of the nuts to achieve fixation. However, no matter which form the nut adopts, the nut may rotate together with the bolt during the rotation of the bolt, so it is often necessary to additionally hold the nut to achieve smooth installation. In addition, for the way that the cylindrical nut passes through the metal shell and directly interferes with the metal shell, the bonding effect is not good, and excessive force may cause the nut to fall off from the shell. The electrical connector disclosed in Chinese Taiwan Patent No. 257552 (see the first, third and ninth figures of the patent specification) uses a nut 18 of a special shape and a positioning device 15 for accommodating the nut, and through A bolt 19 passes through the circuit board 200 and the insulator 2 from below and is screwed into the nut 18 . Although this installation method prevents the nuts from falling off to a certain extent through the restraint of the positioning device 15 on the nuts 18, and the nuts rotate with the bolts during the rotation of the bolts 19, but it uses many components and the structure of the components is relatively complicated. , and the installation is more complicated.

In order to avoid the above problems, the utility model proposes a new electronic card connector to make up for its shortcomings.

【Content of utility model】

The purpose of the utility model is to provide a convenient and firm electronic card connector.

The purpose of this utility model is achieved through the following technical solutions: an electronic card connector, which includes: an insulating body; a number of conductive terminals accommodated in the insulating body; a shielding case shielded on the insulating body; The card connector also includes a nut, which is installed on the shielding shell, and several cylinders are arranged on the nut and accommodated on the shielding shell.

Compared with the prior art, the electronic card connector of the utility model is connected to the shielding shell through a cylinder provided on the nut, which can prevent the nut from spinning when locking the screw, and at the same time, can effectively increase the nut and the metal shell. The bonding strength between them makes the assembly of the electrical connector firm and convenient.

【Description of drawings】

FIG. 1 is a perspective view of the electronic card connector of the present invention.

Fig. 2 is a three-dimensional exploded view of the electronic card connector of the present invention.

FIG. 3 is a view of the nut installed in the shielding case of the electronic card connector of the present invention.

FIG. 4 is a diagram of the nut of the electronic card connector of the present invention being accommodated in the insulating body.

【Detailed ways】

Please refer to FIG. 1 to FIG. 4 , the electronic card connector 100 of the present invention has an L-shaped structure, which can accommodate a rectangular electronic card or an L-shaped electronic card (not shown).

The electronic card connector 100 of the present invention includes an insulating body 10 , a conductive terminal 20 , a shielding case 30 , a card ejection mechanism 50 , a guide block 40 , a fixing device 60 and a nut 70 .

1 to 4, the insulating body 10 includes a base 11, a pair of side arms 12 extending backward from the opposite sides of the base 11, extending backward from the lower side of the base 11 and located on a pair of sides. Tongue plates 13 between the arms 12 and mounting portions 15 protrude forward from both sides of the base 11 . The tongue plate 13 is provided with a plurality of conductive terminal receiving grooves 131 in parallel for receiving the conductive terminals 20 , and the conductive terminal receiving grooves 131 pass through the base 11 backward. The mounting portion 15 is provided with a threaded hole 151 and a matching groove 152 in a regular quadrilateral shape.

Each conductive terminal 20 includes a contact portion 201 for electrically connecting with an electronic card, a soldering portion 203 welded on a circuit board (not shown), and a connecting portion 202 connecting the contact portion 201 and the soldering portion 203 .

The shielding case 30 is shielded on the insulating body 10 , and together they form a receiving space (not labeled) for receiving the electronic card. The front end of the shielding shell 30 has a stepped portion 32 so that the shielding shell 30 is roughly in an L-shaped structure. The side wall 38. The main body 31 includes a front end 33 and a rear end 34 extending rearwardly from the front end 33 . In a longitudinal direction, the width of the rear end portion 34 is greater than the width of the front end portion 33 . A locking portion 36 , a fixing portion 37 and a receiving portion 35 extend downwards along a card insertion direction on one side of the front end portion 33 close to the step portion 32 . The locking portion 36 defines a hook groove (not labeled) backward. The fixing portion 37 defines a receiving opening 371 . A pair of fixing pieces 310 having circular holes 311 are provided on opposite sides of the front end of the front end portion 33 , and small circular holes 312 that are symmetrical to each other are formed on the fixing pieces 310 around the circular holes 311 . A side of the front end portion 33 adjacent to a fixed piece 310 serves as the top 350 of the receiving portion 35 . The receiving portion 35 further includes a bottom 353 and a vertical portion 351 vertically extending downward from the top side and connecting the top 350 and the bottom 353 . The bottom 353 is horizontally bent and extended inwardly from the free end of the vertical portion 351 . The front ends of the top 350 and the bottom 353 are respectively provided with connection holes 3501 and 3530 . A buckling portion 352 bends and extends inwardly from the front end of the vertical portion 351 , and defines an opening 3520 . In this way, the receiving portion 35 includes a part of the main body 31 , the vertical portion 351 , the locking portion 352 and the bottom 353 , and the receiving portion 35 is perpendicular to the insulating body 10 . Both sides of the shielding shell 30 are also provided with a fixing device 60, which is close to the left and right side walls 38, and includes a holding piece 62 and a fixing foot 61. The pins 61 mount the electronic card connector 100 on a circuit board (not shown).

The guide block 40 is provided at the stepped portion 32 of the shielding case 30 for guiding the insertion of the electronic card, and includes a bottom wall 41 and a vertical portion 42 extending upward and forward from the front end of the bottom wall 41 , the vertical portion 42 A protruding portion 421 is formed on the outside of the front end close to the side arm 12 of the insulating body 10 , and is held in the receiving opening 371 of the aforementioned fixing portion 37 .

The card ejecting mechanism 50 includes a base 51, an elastic component 52, which is a spring in this invention, a card ejecting member 53 and a stopper 54 for selectively positioning the relative position of the card ejecting member 53 and the base 51, In this creation it is a straight pin. The base portion 51 is close to the outer side of the side arm 12 of the insulating body 10 and close to the guide block 40, and it includes a vertical portion 510 provided with a heart-shaped groove (not labeled) and extending horizontally outward from the lower sides of the front and rear ends of the vertical portion 510, respectively. Horizontal sections 513,511. The horizontal portion 513 defines a receiving groove 517 along the card insertion direction. A protruding block 514 protrudes forward from a substantially central portion of the front end of the vertical portion 510 , and is accommodated in the opening 3520 of the buckling portion 352 of the shielding case. In addition, the front end of the vertical portion 510 is provided with docking blocks 515 on the upper side and the lower side thereof respectively (the lower docking block is not shown), which are respectively held in matching holes formed on the top 350 and bottom 353 of the receiving portion 35. 3501, 3530 in. In this way, the front end of the vertical portion 510 and the horizontal portion 511 are reliably held in the receiving portion 35 of the shielding housing 30 . Meanwhile, the rear end of the vertical portion 510 is provided with a holding opening 512 , and the protrusion 421 on the guide block 40 protrudes from the receiving opening 371 of the fixing portion 37 and is held in the holding opening 512 .

The card ejector 53 is movably mounted on the base 51, and includes a vertical and slidable positioning portion 531 accommodated in the receiving groove 517, a middle portion 532 extending horizontally from the upper side of the positioning portion 531, and a middle portion 532 extending from the middle portion 532. The card ejecting portion 534 extends downward from the free end. The card ejecting portion 534 is exposed in the card receiving space.

The front end of the stopper 54 is movably accommodated in the heart-shaped groove of the base portion 51 , and the opposite rear end thereof is fixed in the pin hole 533 formed on the positioning portion 531 . One end of the spring 52 is buckled on the locking portion 36 of the shielding housing 30 , and the other end is buckled on the stopper 54 . A rear end of the vertical portion 351 on the shielding housing 30 defines a slot 3510 backward to facilitate movement of the rear end of the stopper 54 .

A pair of nuts 70 are accommodated in the round hole 311 and the threaded hole 151, so that the shielding shell 30 is covered on the insulating body 10, and it includes a riveting portion 71 located above the fixed piece 310, located below the fixed piece 31 and closely attached to the fixed piece. The quadrilateral nut 72 of the sheet 310 and the column portion 73 extending downward from the lower side of the quadrilateral nut 72, wherein the quadrilateral nut 72 is further extended upwards with four cylinders 74, and the four cylinders 74 are respectively accommodated in the fixing piece The circular holes 311 on the 310 are located near the corners of the quadrilateral nuts 72 and are distributed symmetrically to each other. Therefore, the direction of the nuts 70 does not need to be considered during the installation process, and only one of them needs to be aligned with the circular holes. Install.

Please refer to Fig. 3 to Fig. 4, when the bolt (not shown) is screwed into the nut 70, for the traditional bolt and nut installation method, due to the force between the bolt and the nut, the nut may follow The bolts turn together, thereby affecting the assembly process. In this embodiment, the nut 70 is riveted and connected to the fixed piece 310 of the shielding shell. This combination is stronger than the previous direct interference connection, and the nut 70 will not easily loosen. The quadrilateral nut 72, and the quadrilateral nut 72 is accommodated in the regular quadrilateral matching groove 152 on the insulating body, so the nut 70 cannot move together with the bolt. But problems also follow, the plastic insulating body is relatively fragile, because the user will force too much when locking the screw, it will cause the locking of the matching groove 152 to crack, so the bolt cannot be locked. And this creation is arranged mutually symmetrical cylinder 74 on the upper surface of nut 72 again, and it is received respectively in the small circular hole 312 on the shielding shell 30, and shielding shell 30 is generally made of metal material and intensity is higher, To offset part of the force of the user when locking the bolt. In addition, the symmetrical structural design of the cylinders 74 is also beneficial to assembly.

Compared with the prior art, the electronic card connector of the present utility model is connected to the shielding shell through the cylinder 74 provided on the nut 70, which can prevent the nut 70 from turning around when locking the screw, and at the same time, can effectively increase the The bonding strength between the big nut 70 and the shielding shell 30 makes the assembly of the electrical connector firm and convenient.

Claims (10)

1. electronic card coupler, it comprises: insulating body; Be contained in the plurality of conductive terminals in the insulating body; Be shielded in the shielding casing on the insulating body; This electronic card coupler also includes nut, and it is installed on the shielding casing, it is characterized in that: this nut is provided with several cylinders and is immobilizated on the shielding casing.

2. electronic card coupler as claimed in claim 1 is characterized in that: above-mentioned nut is provided with a regular polygon nut, and it is positioned at the shielding casing below.

3. electronic card coupler as claimed in claim 2 is characterized in that: above-mentioned nut is the square structure.

4. electronic card coupler as claimed in claim 1 is characterized in that: above-mentioned cylinder is positioned at the nut upper surface and extends upward, and this cylinder is near the edge of nut.

5. electronic card coupler as claimed in claim 4 is characterized in that: above-mentioned cylinder is symmetrical distribution on nut, so that install.

6. electronic card coupler as claimed in claim 5 is characterized in that: above-mentioned nut further comprises riveting part that is positioned at screening nut top and the trunk portion that is positioned at the nut below.

7. electronic card coupler as claimed in claim 1 is characterized in that: above-mentioned shielding casing front end both sides are provided with a pair of stator, and it comprises circular hole and around the symmetrical some roundlets hole of circular hole, the cylinder on the nut is contained in these roundlet holes.

8. electronic card coupler as claimed in claim 2 is characterized in that: above-mentioned insulating body is provided with and the corresponding polygon groove of nut profile, and nut is contained in this polygon groove.

9. electronic card coupler as claimed in claim 8 is characterized in that: above-mentioned polygon groove is the square structure.

10. electronic card coupler as claimed in claim 1 is characterized in that: above-mentioned electronic card coupler can be accommodated rectangle and L shaped electronic cards.

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