CN202534854U - Card connector - Google Patents

Abstract

The utility model discloses a card connector, including insulator, a plurality of conductive terminal, one go up casing and a casing down. The conductive terminal is arranged on the insulation body. The upper shell covers the insulating body from top to bottom and comprises a top plate and two side plates. The front end of the side plate is punched and protrudes outwards to form a limit part which extends up and down. The lower shell covers the lower surface of the insulating body from bottom to top and comprises a bottom plate and a hanging arm. The hanging arm is provided with a U-shaped concave holding opening which penetrates upwards corresponding to the limiting part of the upper shell, and the concave holding opening is clamped on the limiting part of the side plate. So can ensure down the casing when inserting and pulling out the card or receive external force and vibrate for card connector stability in front and back orientation, prevent that the casing drops under in the use of card connector, and then improve the stability that card connector used.

Description

card connector

technical field

The utility model relates to a card connector, in particular to a card connector which can improve the stability of use.

Background technique

A traditional card connector generally includes an insulating body, a plurality of conductive terminals, a card ejection structure, and a shell covering the insulating body. The insulating body includes a base and side walls extending vertically upwards on both sides of the base. The base is provided with a plurality of terminal slots, and a card insertion area is formed between the side walls. Outer surfaces of the side walls are provided with obliquely upward bumps on the lower surface. The conductive terminal is integrally formed on the insulating body and protrudes from the terminal groove. The card ejection structure is installed in the insulating body. The casing includes an upper casing and a lower casing. The upper case covers the insulating body from top to bottom, and the lower case covers the lower surface of the insulating body from bottom to top.

However, the lower housing of the above-mentioned card connector is provided with buckle holes corresponding to the protrusions of the insulating body, and the buckle holes are fastened on the protrusions of the insulating body, only to ensure that the lower housing is vertically aligned relative to the card connector. In the process of plugging and unplugging the card or when subjected to external shocks, the lower housing will slide in the front and rear direction relative to the insulating body, and when the sliding distance is too large, the lower housing will eventually fall off.

Contents of the invention

The purpose of this utility model is to provide a card connector that can improve the stability of use in order to solve the above-mentioned shortcomings of the prior art.

To achieve the above object, the utility model provides a card connector, which includes an insulating body, a plurality of conductive terminals, an upper housing and a lower housing. The insulating body includes a base, two side walls extending upward from the left and right sides of the base, and a rear wall extending upward from the rear end of the base. A plurality of conductive terminals are installed on the insulating body. The upper shell is covered on the insulating body from top to bottom, which includes a top plate, two side plates extending vertically downward from both sides of the top plate, and a rear plate extending vertically downward from the rear end of the top plate, and the front end of the side plate is punched And protrude outward a limit portion extending up and down. The lower case covers the lower surface of the insulating body from bottom to top, including the bottom plate and the hanging arms that are bent vertically from both sides of the bottom plate and extend upward. Type concave holding mouth, the concave holding mouth is clamped on the limit part of the side plate.

Wherein, the inner surface of one of the side walls of the two side walls is concavely provided with two grooves, and the outer surface of the one side wall is convexly provided with two limit blocks; the middle part of one of the side plates Corresponding to the space formed between the two limit blocks and the groove of the side wall, a plurality of limit plates are punched, and the limit plates are inserted between the two limit blocks to form a space as well as the groove of the side wall.

Wherein, the outer surfaces of the side wall and the rear wall are protruded with a plurality of clamping blocks whose upper surface is obliquely downward; the side plates and the rear plate are provided with multiple clamping blocks corresponding to the clamping blocks of the insulating body. holes, and the holding holes are fastened on the blocks of the insulating body.

Wherein, the outer surface of the side wall is protruded with a bump on the lower surface that is inclined upward; the side plate is corresponding to the bump of the insulating body and is concavely provided with a clamping opening; the hanging arm is corresponding to the insulating body The protruding block is provided with a buckle hole; the clamping port is fastened on the protruding block, and the buckle hole is fastened on the protruding block.

Wherein, the card connector also includes a card ejection structure, the card ejection structure includes a sliding block, a spring and a guide; the side wall is provided with a card ejection chute, and the card ejection chute There is a protruding post at the rear end, and a heart-shaped groove is provided at the front end of the card-removing chute; the card-removing structure is installed in the card-removing chute, and one end of the spring is sleeved on the protruding post, and the other end is butt against the sliding block; one end of the guide is fixed on the sliding block, and the other end is clamped in the heart-shaped groove.

Wherein, the card connector further includes an insulating tape, the insulating tape is in the form of a sheet, and is attached to the lower surface of the base of the insulating body.

Wherein, the upper surface of the rear wall adjacent to one side wall and the upper surface of the front end of the other side wall are provided with a positioning post; the top plate is provided with a positioning hole corresponding to the positioning post of the insulating body, and the upper shell The body is sleeved outside the positioning column of the insulating body through the positioning hole of the top plate.

As mentioned above, the card connector of the present invention is punched with a limiting part through the front end of the side plate of the upper housing, and the hanging arm of the lower housing is recessed with a U-shaped concave holding opening penetrating upwards corresponding to the limiting part. The holding port is held on the limit part, which can ensure the stability of the lower case in the front and rear direction relative to the card connector when the card is inserted or pulled out or when it is subjected to external shocks, and prevents the lower case from being damaged during the use of the card connector. The body falls off, thereby improving the stability of the card connector.

Description of drawings

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

FIG. 2 is an exploded perspective view of the card connector shown in FIG. 1 .

FIG. 3 is an enlarged view of A in FIG. 2 .

FIG. 4 is a perspective view of the upper housing of the card connector of the present invention.

Wherein, the reference signs are explained as follows:

card connector 100 insulating body 10

base 11 side wall 12

Groove 121 Card ejection chute 122

Boss post 1221 Heart-shaped slot 1222

Limiting block 123 rear wall 13

Card Insertion Area 14 Card Block 15

Bump 16 Positioning post 17

Conductive terminal 20 Card return structure 30

Sliding block 30 Spring 32

guide 33 upper housing 40

Top plate 41 Positioning hole 411

Elastic arm 412 Side plate 42

Hold hole 421 Hold port 422

Limiting part 423 Limiting plate 424

Rear panel 43 insulation tape 50

Lower shell 60 Bottom plate 61

Hanging arm 62 Buckle hole 621

Recessed opening 622.

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Please refer to FIG. 1 and FIG. 2, the utility model card connector 100 includes an insulating body 10, a plurality of conductive terminals 20 mounted on the insulating body 10, a card ejection structure 30, an upper housing 40, an insulating tape 50 and a lower housing Body 60.

Referring to FIG. 2 , the insulating housing 10 includes a base 11 , side walls 12 extending upward from left and right sides of the base 11 , and a rear wall 13 extending upward from a rear end of the base 11 . A card insertion area 14 is enclosed between the side wall 12 and the rear wall 13 . The outer surfaces of the side wall 12 and the rear wall 13 are protrudingly provided with a plurality of blocks 15 with the upper surface obliquely downward, and the outer surface of the side wall 12 is also protruded with a protrusion 16 with the lower surface obliquely upward. Two grooves 121 are concavely formed on the inner side, and two limiting blocks 123 are convexly formed on the outer side of one side wall 12 , and a card ejecting slide groove 122 is opened on the other side wall 12 . A post 1221 protrudes from the rear end of the card ejecting chute 122 , and a heart-shaped groove 1222 is disposed on the front end thereof. The upper surface of the rear wall 13 adjacent to the side wall 12 and the upper surface of the front end of the other side wall 12 are both protrudingly provided with a positioning column 17 .

The conductive terminals 20 are installed on the insulating body 10 .

The card ejecting structure 30 is installed in the card ejecting chute 122 inside the other side wall 12 , and includes a sliding block 31 , a spring 32 and a guiding member 33 . The sliding block 31 is slidably disposed on the card ejecting chute 122 . One end of the spring 32 is sleeved on the boss 1221 of the insulating body 10 , and the other end is against the sliding block 31 . One end of the guide member 33 is fixed on the sliding block 31 , and the other end is locked in the heart-shaped groove 1222 .

Please refer to FIGS. 2 to 4 , the upper casing 40 is covered on the insulating body 10 from top to bottom, and it includes a top plate 41 , two side plates 42 extending vertically downward from both sides of the top plate 41 , and two side plates extending from the top plate 41 . The rear plate 43 extends vertically downward at the rear end. The top plate 41 is provided with a positioning hole 411 corresponding to the positioning column 17 of the insulating body 10, and an elastic arm 412 is punched corresponding to the guide member 33 of the card ejection structure 30, and the elastic arm 412 is in elastic contact with the guide member 33. Make sure that the guide 33 slides freely in the heart-shaped groove 1222 . The side plate 42 and the rear plate 43 are provided with a plurality of clamping holes 421 corresponding to the block 15 of the insulating body 10; the side plate 42 is concavely provided with a clamping opening 422 corresponding to the bump 16 of the insulating body 10; 42 is punched at the front end and protrudes outwards a limit portion 423 extending up and down; the middle part of the side plate 42 is punched with a plurality of holes corresponding to the space formed between the two limit blocks 123 and the groove 121 of the side wall 12. Limiting plate 424 .

Please continue to refer to FIG. 2 , the insulating tape 50 is in the form of a sheet, and it is attached to the lower surface of the base 11 of the insulating body 10 to cover the exposed conductive terminals 20 at the base 11 and prevent external dust from entering the card connector 100. Furthermore, the contact between the electronic card (not shown in the figure) and the conductive terminal 20 is affected, and the contact between the conductive terminal 20 and the lower casing 60 can also be avoided.

The lower casing 60 covers the lower surface of the insulating body 10 from bottom to top, and includes a bottom plate 61 and hanging arms 62 bent vertically from both sides of the bottom plate 61 and extending upward. The hanging arm 62 defines a buckle hole 621 corresponding to the protrusion 16 of the insulating body 10 , and defines a U-shaped recess 622 penetrating upwards corresponding to the limiting portion 423 of the upper housing 40 .

When assembling the card connector 100 of the present invention, firstly, a plurality of conductive terminals 20 are installed in the insulating body 10, and one ends thereof protrude from the card insertion area 14, and the other ends protrude from the insulating body 10; then , the card ejection structure 30 is installed in the card ejection chute 122, specifically, the sliding block 31 is slid in the card ejection chute 122, one end of the spring 32 is sleeved on the protrusion 1221 of the insulating body 10, and the other One end abuts against the sliding block 31, one end of the guide member 33 is fixedly connected with the sliding block 31, and the other end is stuck in the heart-shaped groove 1222, which can slide freely in the heart-shaped groove 1222 to achieve card insertion and card withdrawal. Effect; Secondly, the upper casing 40 is covered on the insulating body 10 from top to bottom, the upper casing 40 is sleeved outside the positioning column 17 of the insulating body 10 through the positioning hole 411 of the top plate 41, and the side plate 42 and the rear The clamping hole 421 of the plate 43 is buckled on the clamping block 15 of the insulating body 10, the clamping opening 422 of the side plate 42 is clamped on the bump 16 of the insulating body 10, and the limiting plate 424 of the side plate 42 is inserted into the The space formed between the two limiting blocks 123 and the groove 121 of the side wall 12 finally make the upper casing 40 firmly cover on the insulating body 10; the insulating tape 50 is attached to the bottom of the base 11 of the insulating body 10 The lower surface corresponds to the exposed conductive terminal 20 covered by the base 11; finally, the lower casing 60 is covered on the lower surface of the insulating body 10 from bottom to top, and the buckle hole 621 of the hanging arm 62 is fastened to the insulating body 10 On the protruding block 16 , the holding opening 622 is locked on the limiting portion 423 of the side plate 42 .

In summary, the card connector 100 of the present invention is punched with a plurality of limiting plates 424 through the side plate 42 of the upper housing 40, which are inserted into the space formed between the two limiting blocks 123 and the side wall 12. In the groove 121; the front end of the side plate 42 is punched with a limit portion 423, and the hanging arm 62 of the lower housing 60 is corresponding to the limit portion 423. A U-shaped concave holding opening 622 penetrating upwards is recessed, and the concave holding opening 622 Clamped on the limit portion 423; in this way, the stability of the lower housing 60 relative to the card connector 100 in the front and rear direction can be ensured when the card is inserted or pulled out or when it is subjected to external force shocks, preventing the lower housing 60 from being lowered during the use of the card connector. The housing 60 falls off, thereby improving the stability of the card connector in use.

Claims (7)

1. A card connector, comprising an insulating body, a plurality of conductive terminals, an upper housing and a lower housing, the insulating body includes a base, two side walls extending upward from the left and right sides of the base and extending from the left and right sides of the base The rear wall extending upwards from the rear end of the base, the plurality of conductive terminals are installed on the insulating body, the upper case is covered on the insulating body from top to bottom, and the upper case includes a top plate , the two side plates extending vertically downward from both sides of the top plate and the rear plate extending vertically downward from the rear end of the top plate, characterized in that: the front end of the side plate is punched and protrudes outwards to extend up and down The position-limiting part, the lower casing covers the lower surface of the insulating body from bottom to top, the lower casing includes a bottom plate and hanging arms that are bent vertically from both sides of the bottom plate and extend upwards, so The hanging arm is provided with a U-shaped notch that penetrates upwards corresponding to the limiting portion of the upper housing, and the U-shaped notch is clamped by the limiting portion of the side plate. 2. The card connector according to claim 1, wherein the inner side of one of the two side walls is concavely provided with two grooves, and the outer side of the side wall is convexly provided with Two limit blocks; the middle part of one of the side plates corresponds to the space formed between the two limit blocks and the groove of the side wall punched with a plurality of limit plates, the limit The positioning plate is inserted into the space formed between the two limiting blocks and the groove of the side wall. 3. The card connector according to claim 1, characterized in that: the outer surfaces of the side wall and the rear wall are protrudingly provided with a plurality of blocks with the upper surface obliquely downward; the side plate and the rear plate correspond to The clamping blocks of the insulating body are provided with a plurality of clamping holes, and the clamping holes are buckled on the clamping blocks of the insulating body. 4. The card connector according to claim 1, characterized in that: the outer surface of the side wall is protruded with an obliquely upward bump on the lower surface; the side plate is recessed corresponding to the bump of the insulating body There is a holding port; the hanging arm is provided with a snap hole corresponding to the bump of the insulating body; the snap hole is clipped on the bump, and the snap hole is clipped on the bump superior. 5. The card connector according to claim 1, characterized in that: the card connector further comprises a card ejection structure, the card ejection structure includes a sliding block, a spring and a guide; the side There is a card ejection chute on the wall, a protruding column is protruded from the rear end of the card ejection chute, and a heart-shaped groove is arranged at the front end of the card ejection chute; the card ejection structure is installed on the card ejection chute Inside, one end of the spring is sheathed on the boss, and the other end is against the sliding block; one end of the guide is fixed on the sliding block, and the other end is clamped in the heart-shaped groove. 6 . The card connector according to claim 1 , wherein the card connector further comprises an insulating tape, the insulating tape is in the form of a sheet, and is attached to the lower surface of the base of the insulating body. 6 . 7. The card connector according to claim 1, characterized in that: the upper surface of the rear wall adjacent to one side wall and the upper surface of the front end of the other side wall are both protrudingly provided with a positioning post; the top plate corresponds to the The positioning post of the insulating body is provided with a positioning hole, and the upper casing is sleeved outside the positioning post of the insulating body through the positioning hole of the top plate.

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