CN201336454Y - Electronic card connector - Google Patents

Abstract

An electronic card connector, which includes an insulating body, a plurality of conductive terminals fixed on the insulating body, and a shielding shell buckled on the insulating body, the side wall of the insulating body is provided with a mounting part, and the mounting part is provided with There is a first mating surface extending along the insertion direction of the electronic card and located inside the installation part, the electronic card connector is provided with a metal guide piece matched with the installation part, and the metal guide piece is provided to cooperate with the first The surface corresponds to the matched first contact surface, and the first contact surface is used to guide the insertion of the electronic card. With such arrangement, the electronic card can be smoothly inserted into or withdrawn from the electronic card connector.

Description

electronic card connector

【Technical field】

The utility model relates to an electronic card connector, in particular to an electronic card connector with a guiding function.

【Background technique】

For the prior art related to the utility model, please refer to the Taiwan New Patent No. M300892 announced on November 11, 2006, which discloses an electronic card connector, which includes an insulating body, a conductive terminal group, and a card ejection mechanism and a metal sheet body, the insulating body includes a bottom wall defining front and rear ends, two side walls, an accommodating portion defined by the bottom wall and the two side walls, and an opening arranged at the front end of the bottom wall and communicating with the accommodating portion. The conductive terminal set includes a plurality of terminals installed on the bottom wall, and each terminal has a contact portion protruding on the bottom wall. The card ejecting mechanism is installed on the side wall of the insulating body, and includes a rod with a card pushing part. When the card pushing part is stressed, the rod moves along the front and rear directions between the initial position and the positioning position after the card is ejected. . The metal sheet body is arranged on the inner side of the side wall where the card ejecting mechanism is installed, and includes a blocking surface facing the accommodating portion.

However, the metal sheet body is installed in the middle of the insulating body, which has the function of preventing the side wall from being worn out. When the electronic card is in contact with the metal sheet body, it also has a certain guiding function, but there is no guiding function when the electronic card is just inserted. The mechanism cannot guarantee the smoothness and stability of the electronic card when it is first inserted. At the same time, the side wall of the electronic card will contact the side wall of the insulating body. After repeated use, part of the inner surface of the side wall of the insulating body will be severely worn.

Therefore, it is necessary to improve the existing electrical connectors to overcome the above-mentioned defects in the prior art.

【Content of invention】

The main purpose of the utility model is to provide an electronic card connector with good guiding function.

In order to achieve the purpose of the above-mentioned utility model, the utility model adopts the following technical solution: an electronic card connector for inserting an electronic card, which includes an insulating body, a number of conductive terminals fixed on the insulating body and fastened on the insulating body The shielding shell, the insulating body includes a plugging surface at the front end, a storage space recessed from the plugging surface for accommodating electronic cards, and first and second side walls on both sides of the storage space. Several conductive terminals are provided with contact parts extending into the receiving space. The electronic card connector is provided with a metal guide piece extending along the card insertion direction on one side of the receiving space and close to the insertion surface. The sheet is arranged on the front end of the first side wall, and the metal guide sheet is provided with a first contact surface facing the receiving space, and the first contact surface is used for guiding the electronic card when the electronic card is just inserted.

Compared with the prior art, the electronic card connector of the utility model ensures the smoothness and stability of the electronic card during the whole process of insertion by providing the installation part and the metal guide piece installed on the installation part near the insertion surface. At the same time, the metal guide sheet also prevents the contact between the side wall of the electronic card and the side wall of the insulating body, thus avoiding the wear of the side wall of the insulating body and prolonging the service life of the electronic card.

【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 partial perspective exploded view of the electronic card connector of the present invention.

FIG. 4 is a partially exploded perspective view of FIG. 3 from another angle.

Fig. 5 is a partial perspective view of the electronic card connector of the present invention.

Fig. 6 is a perspective view of the metal guide piece of the electronic card connector of the present invention.

【Detailed ways】

Please refer to Fig. 1 and Fig. 2, the electronic card connector 100 of the present invention is used to plug in the electronic card 200, which includes an insulating body 1, a plurality of conductive terminals 2, a card ejection mechanism 3, a shielding case 4 and a metal guide slice 5. In this embodiment, the electronic card connector 100 is an SD card connector, and the electronic card 200 is an SD card.

Please refer to FIG. 2 to FIG. 5 , the insulating body 1 is provided with a mounting wall 11 at the rear end, an insertion surface 14 at the front end, and a storage space for accommodating an electronic card 200 recessed from the insertion surface 14 backward. 10 and the first and second side walls 12 and 13 located on both sides of the storage space 10 and communicating with the storage space 10 . The installation wall 11 is provided with a plurality of accommodating grooves 111 for accommodating the conductive terminals 2 , and the accommodating grooves 111 are arranged horizontally. The first side wall 12 is provided with a concave portion 121 for receiving the card ejecting mechanism 3 and a protrusion 122 extending forward into the concave portion 121 . The first sidewall 12 defines an outer surface 123 , and an opening 124 passing through the outer surface 123 and communicating with the recess 121 . The outer surfaces of the first and second side walls 12 and 13 are provided with tabs 131 that are engaged with the shielding shell 4 . A pair of stepped guide grooves 15 are provided on the first and second side walls 12 , 13 of the insulating body 1 , and the guide grooves 15 are used to support two sides of the electronic card 200 . The first side wall 12 is provided with a mounting portion 16 for mounting the metal guide piece 5 , and the mounting portion 16 is located at the front end of the concave portion 121 and communicates with the concave portion 121 . Referring to FIG. 5 , the installation portion 16 has an upper surface 162 and a front surface 164 , and the front surface 164 is located at the rear end of the insertion surface 14 . The mounting portion 16 is provided with a first mating surface 161 extending along the insertion direction of the electronic card 200 and located inside the mounting portion 16, a first arc surface 167 connecting the first mating surface 161 and the front end surface 164, and extending from the first mating surface. The matching slope 163 at the end of 161 extends obliquely toward the direction away from the receiving space 10 and the second arc surface 168 connects the first matching surface 161 and the matching slope 163 . The upper surface 162 is recessed and extended with a slot 165, and the slot 165 is further recessed with a fixing groove (not labeled), and the slot 165 runs through the front end face 164 and uses a third arc surface with the front end face 164 169 connections.

The card ejection mechanism 3 includes a slider 31 that can slide back and forth on the insulating body 1 , a connecting rod 32 that adjusts the movement of the slider 31 , and a spring 33 clamped between the slider 31 and the insulating body 1 . The outer front end of the slider 31 is provided with a heart-shaped groove 311, and the rear end of the slider 31 is provided with a channel (not labeled), one end of the spring 33 is accommodated in the channel, and the other end is sleeved on the boss 122 on. The inner side of the slider 31 is provided with a first metal guide piece 34, and the first metal guide piece 34 has locking and guiding functions. The front end of the connecting rod 32 is fixed on the inner side of the first side wall 12 , and the rear end of the connecting rod 32 is received in the heart-shaped slot 311 of the slider 31 .

The shielding shell 4 is formed by punching and bending a metal sheet, and includes a top surface 41 and a first holding wing 42 and a second holding wing 43 bent downward from two sides of the top surface 41 . The first holding wing and the second holding wing 42, 43 are provided with a plurality of fastening holes 421, and the fastening holes 421 are fastened with the protruding piece 131 of the insulating body 1, so that the shielding shell 4 is fixed on the insulating body. on body 1. The second clamping wing 43 is provided with a second metal guiding piece 431 , and the second metal guiding piece 431 presses against the connecting rod 32 to prevent the connecting rod 32 from disengaging from the heart-shaped groove 311 .

Please refer to FIG. 6, the metal guide piece 5 is roughly U-shaped, which includes a first contact surface 51, a second contact surface 52 opposite to the first contact surface 51, and a second contact surface 52 connecting the first contact surface 51 and the second contact surface. The contact surface 52 and the stop surface 53 flush with the insertion surface 14, the first contact arc surface 56 connecting the first contact surface 51 and the stop surface 53, and the second contact arc surface connecting the second contact surface 52 and the stop surface 53 57. The metal guide piece 5 is provided with a thrust surface 54 extending obliquely away from the receiving space 10 along the end of the first contact surface 51 along the card insertion direction and a mounting foot 55 extending downward from the second contact surface 52. The thrust surface 54 is connected to the first contact surface 51 by a third contact arc surface 58, the extension end of the thrust surface 54 is not connected to the extension end of the second contact surface 52, and the mounting foot 55 is connected to the first contact surface 52. The two contact surfaces 52 are coplanar and contracted relative to the second contact surface 52 .

After the metal guide piece 5 is installed, the first contact surface 51 is matched with the first matching surface 161 of the installation part 16, and the second contact surface 52 is located in the slot 165 of the installation part 16. The mounting foot 55 is clamped in the fixing groove of the mounting portion 16, the thrust surface 54 is matched with the mating inclined surface 163 of the mounting portion 16, the stop surface 53 abuts against the front end surface 164 of the mounting portion 16, and the stop The surface 53 is flush with the insertion surface 14, the first arc contact surface 56 abuts against the first arc surface 167, the second arc contact surface 57 abuts against the third arc surface 169, and the third arc contact surface The surface 58 is matched with the second arc surface 168 correspondingly. When the electronic card 200 is not inserted, there is a gap between the thrust surface 54 and the matching slope 163 , and there is a gap between the first contact surface 51 and the first matching surface 161 . After the electronic card 200 is inserted, the gap provides deformation space for the metal guide piece 5 , the thrust surface 54 abuts against the mating slope 163 , and the first contact surface 51 abuts against the first mating surface 161 .

The electronic card connector 100 of the present utility model is pressed against the first contact surface 51 when the electronic card 200 is just inserted, thereby ensuring the smoothness and stability of the electronic card 200 during the entire process of insertion, and preventing the electronic card 200 from sideways The contact between the wall and the inner surface of the first side wall 12 of the insulating body 1 further prevents abrasion of the inner surface of the first side wall 12 of the insulating body 1 and prolongs the service life of the electronic card 200 .

In other embodiments, the metal guide piece 5 can be integrally stamped from the shielding shell 4, so as to achieve the same purpose.

Claims (10)

1. electronic card coupler, in order to the grafting electronic cards, it comprises insulating body, be immobilizated in the plurality of conductive terminals on the insulating body and be buckled in shielding casing on the insulating body, described insulating body comprises the plug surface that is positioned at front end, from plug surface be arranged with backward in order to the receiving space of accommodating electronic cards and be positioned at first of receiving space both sides, second sidewall, described plurality of conductive terminals is provided with the contact site that extends in the receiving space, it is characterized in that: described electronic card coupler is provided with the metal guide sheet that extends along the plug-in card direction on receiving space one side and near the plug surface place, described metal guide sheet is located at the front end of the first side wall, described metal guide sheet is provided with first contact-making surface towards receiving space, and described first contact-making surface is in order to guiding electronic cards when electronic cards is just inserted.

2. electronic card coupler as claimed in claim 1 is characterized in that: described metal guide sheet forms from the shielding casing integrated punching.

3. electronic card coupler as claimed in claim 1, it is characterized in that: described the first side wall is provided with the installation portion near plug surface, described installation portion is provided with first mating surface that extends and be positioned at the installation portion inboard along the electronic cards direction of insertion, described metal guide sheet is installed on the installation portion, described first contact-making surface and the first mating surface corresponding matching.

4. electronic card coupler as claimed in claim 3 is characterized in that: gapped between described first contact-making surface and first mating surface when electronic cards is not inserted, after electronic cards was inserted, described first contact-making surface compressed mutually with first mating surface.

5. electronic card coupler as claimed in claim 3, it is characterized in that: described metal guide sheet is provided with second contact-making surface relative with first contact-making surface, the slot that described installation portion is provided with upper surface and is arranged with downwards from upper surface, described second contact-making surface is placed in the slot.

6. electronic card coupler as claimed in claim 5, it is characterized in that: described metal guide sheet is provided with the block face that connects first contact-making surface, one end and second contact-making surface, one end, described installation portion is provided with the front end face that is positioned at the plug surface rear end, and described block face compresses mutually with front end face and be concordant with plug surface.

7. electronic card coupler as claimed in claim 6, it is characterized in that: be connected with the first contacting surface transition between described block face and first contact-making surface, be connected with the first cambered surface transition between described front end face and first mating surface, described first contacting surface and first cambered surface lean.

8. electronic card coupler as claimed in claim 6, it is characterized in that: be connected with the second contacting surface transition between described block face and second contact-making surface, described slot run through front end face and with front end face between be connected with the 3rd cambered surface transition, described second contacting surface and the 3rd cambered surface lean.

9. electronic card coupler as claimed in claim 6, it is characterized in that: described metal guide sheet is provided with along the thrust surface of the first contact-making surface end away from the oblique extension of receiving space, described installation portion is provided with from first mating surface terminal towards the cooperation inclined-plane away from the direction diagonally extending of receiving space, described cooperation inclined-plane in order to the thrust surface corresponding matching.

10. electronic card coupler as claimed in claim 9, it is characterized in that: be connected with the 3rd contacting surface between described thrust surface and first contact-making surface, described first mating surface is connected described the 3rd contacting surface and the second cambered surface corresponding matching with cooperating between the inclined-plane with second cambered surface.

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