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CN-224233045-U - Card edge connector with self-locking function

CN224233045UCN 224233045 UCN224233045 UCN 224233045UCN-224233045-U

Abstract

The utility model relates to a card edge connector with a self-locking function, wherein the front end of an insulating main body is provided with a cut-off clamping groove which is matched with the thickness of a PCB card, a plurality of conductive terminals are arranged on two sides of the clamping groove in an array manner, a shell is wrapped on the periphery of the insulating main body and is provided with elastic pieces which are positioned on two sides of the clamping groove and partially extend into the clamping groove, the elastic pieces are provided with lock catches, and the elastic pieces drive the lock catches to be clamped into grooves on the edge of the PCB card to form axial limit when the PCB card is completely inserted. The utility model directly arranges the elastic piece with the lock catch on the shell, drives the lock catch to be clamped into the groove at the end part of the PCB plug-in card to form axial limit when the PCB plug-in card is completely inserted, realizes self-locking, prevents the PCB plug-in card and the connector from falling off, can be applied to a vibration environment, and can be pulled out by pressing the elastic piece when the PCB plug-in card is required to be pulled out. Simple structure, the preparation and the equipment of being convenient for, and stable in structure, reliable promote the practicality of connector.

Inventors

  • YANG SONG
  • ZHANG KAI
  • HUANG SHIYU
  • LI DENGFENG
  • CHEN WEIHUA

Assignees

  • 东莞市好润精密电子有限公司

Dates

Publication Date
20260512
Application Date
20250415

Claims (7)

  1. 1. A card edge connector with self-locking function is characterized by comprising: The front end of the insulating main body is provided with a cut-away clamping groove which is adaptive to the thickness of the PCB card; the conductive terminals are arranged on two sides of the clamping groove in an array manner; The shell wraps the periphery of the insulating main body, elastic pieces which are positioned on two sides of the clamping groove and partially extend into the clamping groove are arranged on the shell, lock catches are arranged on the elastic pieces, and the elastic pieces drive the lock catches to be clamped into grooves on the edge of the PCB card when the PCB card is completely inserted to form axial limit.
  2. 2. The card edge connector with self-locking function according to claim 1, wherein the insulating main body is an upright structure and comprises a first tower part and a second tower part overlapped on the first tower part, the clamping groove is downward cut from the upper end of the second tower part and extends out from two side edges of the second tower part, the outer shell wraps the outer periphery of the second tower part, the outer shell is provided with a harpoon foot extending out from the first tower part, and the locking alignment of the elastic piece extends into the clamping groove from two side edges of the second tower part.
  3. 3. The card edge connector with self-locking function according to claim 1 or 2, wherein the elastic member is a stamped structure integrally formed with the housing, and the elastic member further has a pressing portion thereon, and the pressing portion is pressed to drive the lock catch to unlock, so that the lock catch is withdrawn from the recess at the end of the PCB card.
  4. 4. The card edge connector with self-locking function of claim 2, wherein the first tower portion is provided with a positioning groove adapted to positioning of the harpoon foot.
  5. 5. The card edge connector with self-locking function of claim 2, wherein the bottom of the first tower part is provided with a foolproof positioning column.
  6. 6. The connector with self-locking function according to claim 2, wherein the slot is further provided with protruding stop ribs on both sides of the port extending from both sides of the second tower portion, the stop ribs being adapted to be engaged with the PCB.
  7. 7. The card edge connector with self-locking function as set forth in claim 5, wherein the fool-proof positioning columns are two, are respectively arranged near two sides of the far end of the bottom of the connector, and are cylindrical fool-proof positioning columns, and are elliptical cylindrical fool-proof positioning columns.

Description

Card edge connector with self-locking function Technical Field The present utility model relates to electronic components, and more particularly, to a card edge connector with self-locking function in a vibration application scenario. Background With the rapid development of computers, communication devices, industrial control automation systems and mobile terminal devices, the reliability of the card edge connector, which is a core interconnection component between a memory module and a motherboard, directly affects the stability of data transmission. The connection stability between the connector and the PCB card on the market is designed on the premise that the insulating main body is not assumed to shake or vibrate, so the stability of connection is not considered as a strong force influence factor, and more components and parts friction force on the components are relied on to realize the connection stability of the two when the two are connected, so the problems of data transmission loss and the like caused by connection failure between the PCB card and the connector are easily generated when the insulating main body shakes and vibrates. Disclosure of Invention The utility model aims to overcome the defects in the prior art and provide a card edge connector with a self-locking function. The utility model is realized by the following technical scheme: A card edge connector with self-locking function, comprising: The front end of the insulating main body is provided with a cut-away clamping groove which is adaptive to the thickness of the PCB card; the conductive terminals are arranged on two sides of the clamping groove in an array manner; The shell wraps the periphery of the insulating main body, elastic pieces which are positioned on two sides of the clamping groove and partially extend into the clamping groove are arranged on the shell, lock catches are arranged on the elastic pieces, and the elastic pieces drive the lock catches to be clamped into grooves on the edge of the PCB card when the PCB card is completely inserted to form axial limit. The insulating main body is of an upright structure and comprises a first tower part and a second tower part overlapped on the first tower part, the clamping groove is of a downward cutting structure from the upper end of the second tower part and extends out from two side edges of the second tower part, the outer shell wraps the periphery of the second tower part, the outer shell is provided with a harpoon foot extending out from the first tower part, and the elastic piece is aligned to extend into the clamping groove from two side edges of the second tower part. The scheme is that the elastic piece is of a stamping structure integrally constructed with the shell, the elastic piece is further provided with a pressing part, and the lock catch is driven to unlock by pressing the pressing part, so that the lock catch is withdrawn from the groove at the end part of the PCB card. The above scheme is further that a positioning groove which is matched with the positioning setting of the fish fork feet is formed in the first tower portion. The scheme is that the bottom of the first tower part is provided with a fool-proof positioning column. Above-mentioned scheme is further, the draw-in groove still is provided with bellied spacing sand grip from the port both sides that extend away from the both sides limit of second tower portion, and this spacing sand grip is used for inserting the chucking cooperation with the PCB. The above scheme is further that the fool-proof positioning columns are two, are respectively arranged near two sides of the far end of the bottom of the connector, are cylindrical fool-proof positioning columns, and are elliptical cylindrical fool-proof positioning columns. The utility model directly arranges the elastic piece with the lock catch on the shell, drives the lock catch to be clamped into the groove at the end part of the PCB plug-in card to form axial limit when the PCB plug-in card is completely inserted, realizes self-locking, prevents the PCB plug-in card and the connector from falling off, can be applied to a vibration environment, and can be pulled out by pressing the elastic piece when the PCB plug-in card is required to be pulled out. Simple structure, the preparation and the equipment of being convenient for, and stable in structure, reliable promote the practicality of connector. Drawings FIG. 1 is a schematic view of the three-dimensional structure of the present embodiment FIG. 2 is a cross-sectional view of the present embodiment FIG. 3-outside the present embodiment schematic diagram of shell three-dimensional structure Fig. 4 is a schematic view of a three-dimensional structure of a connector body according to the present embodiment FIG. 5 is a bottom view of the connector body of the present embodiment 1-An insulating main body, 11-a clamping groove, 12-a limit convex strip, 13-a cylindrical fool-proof positioning column,