CN204834946U - Edge blocking type connector - Google Patents

Abstract

A card edge connector, comprising an insulating body extending in the longitudinal direction, a number of conductive terminals held in the insulating body and a locking piece assembled on the insulating body, the insulating body is provided with a top-down The accommodating groove that passes through the insulating body and accommodates the locking piece, wherein the locking piece includes a pair of holding feet extending along the up-down direction and a connecting portion connecting the upper ends of the holding feet, and the insulating body A stop block is provided in the receiving groove, the connecting portion abuts against the stop block, the holding feet are located on both sides of the stop block and extend downwards out of the insulating body and match with the matching Cooperate with the electronic board to avoid the separation between the card edge connector and the mating electronic board.

Description

card edge connector

【Technical field】

The utility model relates to a card edge connector, in particular to a card edge connector for inserting an electronic card.

【Background technique】

For the prior art related to the present utility model, please refer to a card edge connector disclosed in China Taiwan Invention Patent No. 404612 announced on September 1, 2000. The card edge connector includes an insulating body and a The fixing fastener to the docking electronic board, the fixing fastener includes an upper embedded piece and a vertically inserted piece arranged at the lower part, the two sides of the embedded piece have an upwardly extending implant arm, and the The two sides of the lower section of the insertion piece respectively extend upwards with an elastic buckle arm, and the outer top of the elastic buckle arm has a protrusion, so that after the upper part of the fixing fastener is embedded in the insulating body, the insulating body The fixing fastener can be stably buckled on the docking electronic board, and the elastic buckle arm is buckled upside down on the docking electronic board to prevent falling off.

However, the fixing fastener needs to be embedded in the aforementioned insulating body, not only the manufacturing process is relatively complicated, but also there is no good locking mechanism between the fixing fastener and the insulating body, which easily causes the fixing fastener to be disconnected from the insulating body. Describe the problem of detachment of the insulating body.

Therefore, it is necessary to find a new type of card edge connector to overcome the above problems.

【Content of utility model】

The purpose of the utility model is to provide a card edge connector which can be inserted into an electronic card.

In order to achieve the above object, the utility model adopts the following technical solutions:

A card edge connector, comprising an insulating body extending in the longitudinal direction, a number of conductive terminals held in the insulating body and a locking piece assembled on the insulating body, the insulating body is provided with a top-down The accommodating groove that passes through the insulating body and accommodates the locking piece, wherein the locking piece includes a pair of holding feet extending along the up-down direction and a connecting portion connecting the upper ends of the holding feet, and the insulating body A stop block is provided in the receiving groove, the connecting portion abuts against the stop block, and the holding legs are located at two sides of the stop block and extend downwards out of the insulating body.

Further, the holding leg includes an upper part that interferes with the receiving groove and a lower part that extends out of the insulating body, and a burr that interferes with the insulating body is provided on the outer side of the upper part.

Further, the position of the burr is lower than the upper surface of the stop block.

Further, the insulating body also includes a longitudinal slot and end walls located at both ends of the slot in the longitudinal direction, the receiving groove is provided in one of the end walls, and the locking member includes at least one and accommodates in the receiving groove of the end wall.

Further, a boss is provided at the bottom of the end wall, and the receiving groove is set through the boss.

Further, the insulating body is provided with a fool-proof portion in the slot that is biased toward the longitudinal side of the slot, the receiving groove is also provided on the fool-proof portion, and the locking member includes another One and fixed in the receiving groove of the fool-proof part.

Further, the locking piece is in the shape of a flat sheet and is assembled in the receiving groove perpendicular to the longitudinal direction, and the thickness of the connecting part of the locking piece in the vertical direction is greater than the width of the holding leg.

Further, the receiving groove is provided with an opening on the upper surface of the insulating body for the locking piece to be inserted into, and chamfers are provided around the opening.

Compared with the prior art, inserting locking pieces into the foolproof part and the end wall can not only enhance the strength of the foolproof part and the end wall, but also the assembly of the locking piece is simple and convenient by inserting from top to bottom. In addition, the structure in which the locking member straddles the two sides of the stop block can effectively avoid the risk of the locking member detaching from the insulating body.

【Description of drawings】

Figure 1 is an overall perspective view of the card edge connector of the present invention;

Fig. 2 is an exploded perspective view of the card edge connector shown in Fig. 1;

FIG. 3 is a cross-sectional view of the card edge connector shown in FIG. 1 along the direction A-A.

【Detailed ways】

Please refer to Fig. 1 and Fig. 2, the card edge connector 1 of the present invention is used for inserting an electronic card (not shown), and includes an insulating body 10 extending along the longitudinal direction, and is arranged on the insulating body 10 An ear buckle 20 at one end in the longitudinal direction, a plurality of terminals 30 accommodated in the insulating body 10 , and a locking member 40 for fixing the insulating body 10 to an electronic board (not shown). The insulating body 10 includes two sidewalls 11 extending along its longitudinal direction and two endwalls 12 respectively connecting the two ends of the two sidewalls 11, the two sidewalls 11 and the two endwalls 12 are arranged in a circle The elongated slot 13 for accommodating electronic cards. Taking the direction of inserting the electronic card as the downward direction, a row of terminal slots 110 are respectively recessed downwards on the two side walls 11 for receiving the terminals 30 .

Please refer further to FIG. 2 , the ear button 20 includes a main body 200 , a pivot shaft 201 disposed below the main body 200 , disposed above the main body 200 and facing away from the slot 13 . The extended pulling part 202 and the buckling part 204 and the buckling arm 203 are also arranged above the main body 200 but extending toward the slot 13 . The insulating body 10 is provided with a pivot hole (not shown) at its longitudinal end, and the pivot hole is set corresponding to the pivot shaft 201. When the pivot shaft 201 is assembled to the pivot hole At this time, the ear buckle part 20 can rotate around the pivot shaft 201 to realize the operation of locking and releasing the electronic card inserted into the card edge connector 1 .

The terminal 30 is accommodated in the terminal groove 110, which includes a holding portion 300, a contact portion 302 extending upward from the holding portion 300 and protruding into the slot 13, and a contact portion 302 extending downward from the holding portion 300. The welding part 301 of the insulating housing 10 is described. When the docking electronic card is inserted into the card edge connector 1, the contact portion 302 is electrically connected to the electronic card, and the matching electronic card and the matching electronic board are realized by welding the welding portion 301 to the matching electronic board. electrical exchange.

Please refer further to FIGS. 2 to 3 , the locking member 40 is punched out from a sheet of metal, and the locking member 40 is downward from the top surface of the insulating body 10 and perpendicular to the top of the insulating body 10 . The locking member 40 includes a pair of holding feet 410 extending in the vertical direction and a connecting portion 420 connecting the upper ends of the pair of holding feet 410 . The insulating body 10 also includes a fool-proof portion 14 biased toward the side of the slot 13 . In other embodiments, the position of the receiving groove can also be set in the other end wall of the insulating body 10 and the foolproof portion 14, or in the two end walls 12 of the insulating body 10, or in a single arrangement. In the aforementioned end wall 12 or fool-proof portion 14 . It should be noted that the bottom of the end wall 12 is provided with a boss 120, and the receiving groove 15 is set through the boss 120. Since the boss 120 can directly abut against the mating electronic board during assembly, so that The locking member 40 assembled in the aforesaid receiving groove 15 has better stability.

The accommodating groove 15 runs through the entire insulating body 10 in the vertical direction, and an opening for inserting the locking member 40 is provided on the upper surface of the insulating body 10 , chamfers 153 are provided around the opening, The guiding locking member 40 is accurately inserted into the receiving groove 15 . A stop block 151 is arranged in the receiving groove 15, and when the locking member 40 is installed in the receiving groove 15 from top to bottom, the connecting portion 420 abuts against the stop block 151, the The holding feet 410 are located on two sides of the stop block 151 and extend downwards out of the insulating body 10 .

The retaining foot 410 of the locking member 40 includes an upper part 412 interfering with the receiving groove 15 and a lower part 414 extending out of the insulating body 10, a burr 411 is provided on the outside of the upper part, and the position of the burr 411 is low On the upper surface of the stop block 151, the locking member 40 is not easy to fall off after being assembled into the receiving groove 15, and the aforementioned lower part 414 can further be plugged and matched with the mating electronic board, and welded with it to connect the card edge connector 1 is limited to the matching electronic board to avoid falling off. The thickness of the connecting portion 420 of the locking member 40 in the vertical direction is greater than the width of the holding leg 410 to ensure that the connecting portion 420 has sufficient strength so that the connecting portion 420 is evenly stressed when pressed by an external force, which is convenient for assembly.

In summary, the above are only preferred embodiments of the present utility model, and should not limit the scope of the present utility model, that is, all simple equivalent changes and modifications made according to the claims of the utility model and the contents of the description , all should still belong to the scope that the utility model patent covers.

Claims (8)

1. a bayonet connector, comprise the insulating body extended along longitudinally, be immobilizated in the some conducting terminals in described insulating body and be assemblied in the holding piece of described insulating body, described insulating body is provided with and runs through described insulating body from top to bottom and the accepting groove of accommodating described holding piece, it is characterized in that: described holding piece comprises the connecting portion that the fixing pin and extended along aforementioned above-below direction for a pair connects described fixing pin upper end, described insulating body is provided with a stop block in described accepting groove, described connecting portion is connected to above described stop block, described fixing pin is positioned at described stop block both sides and extends described insulating body downwards.

2. bayonet connector as claimed in claim 1, is characterized in that: described fixing pin comprises the top of interfering with described accepting groove and the bottom of extending described insulating body, and described upper outside is provided with the burr with described insulating body interference engagement.

3. bayonet connector as claimed in claim 2, is characterized in that: the position of described burr is lower than described stop block upper surface.

4. bayonet connector as claimed in claim 2, it is characterized in that: described insulating body also comprises lengthwise slot and is positioned at the end wall at described slot longitudinally two ends, in a described accepting groove described end wall located therein, described holding piece at least comprises one and is housed in the accepting groove of described end wall.

5. bayonet connector as claimed in claim 4, is characterized in that: the bottom of described end wall is provided with boss, and described accepting groove runs through described boss and arranges.

6. bayonet connector as claimed in claim 4, it is characterized in that: described insulating body is provided with the fool proof portion being partial to described slot lengthwise side in described slot, described accepting groove is also located in described fool proof portion, and described holding piece comprises another and is fixed in the accepting groove in described fool proof portion.

7. bayonet connector as claimed in claim 1, it is characterized in that: described holding piece is flat sheet-like, and be assemblied in described accepting groove perpendicular to described longitudinally, the thickness of the connecting portion above-below direction of described holding piece is greater than the width of described fixing pin.

8. bayonet connector as claimed in claim 1, is characterized in that: described accepting groove is provided with the peristome inserted for described holding piece at the upper surface of described insulating body, the surrounding of this peristome is equipped with chamfering.