CN200947473Y - Active eject connector - Google Patents

Abstract

The utility model relates to a movable CARD connector that moves back especially indicates one kind and applies to the connector design of MEMORY CARD , soft arranging wire (FPC), line pair board (WTB) and subscriber identity module CARD (SIM CARD), and this connector includes: the connector comprises a connector main body and a fixed cover body, wherein the rear part in the connector main body is provided with a left conducting strip and a right conducting strip which are staggered front and back, the side edge of the connector main body is provided with a spring clamping device, the spring clamping device is provided with an interference swinging sheet, the front end of the interference swinging sheet is provided with a convex block which can be clamped with a notch of a memory card, and the convex block and the side wing of the plastic body form a section of potential difference relation; through the technical characteristics, the scheme specifically shows that: the functions of interference card ejection, power-on/off notification, and high positioning, stability and highest yield performance are enhanced.

Description

Active eject connector

technical field

The utility model relates to a movable card-returning connector, specifically referring to a connection for memory card (MEMORY CARD), flexible cable (FPC), wire-to-board (WTB) and subscriber identification module card (SIM CARD). device design.

Background technique

In the field of connector and socket technology known so far, for a long time, it has been focusing on issues such as processing, precision, electromagnetic interference elimination, production pass rate, or terminal structure... etc. There are few structures and practical The improvement and progress of the surface can almost be said to be mating for mating connection, resulting in poor conduction between the memory card or chip and the terminal, and causing many problems in the hardware.

Looking at the current booming electronic industry, there are many electronic products in different application fields, such as: mobile phones, digital cameras, notebook computers, workstation servers, personal note assistants (PDA), access control authentication systems ...etc., are all known and commonly used commodities by the general public; therefore, for memory card (MEMORY CARD), flexible cable (FPC), wire-to-board (WTB) and subscriber identity module card (SIM CARD) )... and other objects, the connectors played a very important role, and with the design of different connector hardware structures, the connector's positioning, stability, production yield, durability and production The cost is also different; therefore, the quality of the connector determines the key to the success of the product; more obviously, a good connector should have: ultra-miniature, good conductivity, high stability, strong and durable And the cost is low, and the connectors of various applications are all striving for this goal.

In recent years, although part of the technology is to improve the structure to make the engaging device more stable, most of the designs use a rotatable and sliding metal cover to fit the connector body. When the metal cover is rotated and opened, it can be Put in or take out the memory card or SIM card, and when the metal cover is rotated and closed, the metal cover can be slid, so that the metal cover and the connector body can be tightly embedded.

For the above-mentioned connector, the metal cover of the metal cover will wear out the plastic if it rotates or slides for a long time. Improper placement of the SIM card may cause friction against the connector, causing the copper contacts on the memory card or SIM card to wear and damage the memory card or SIM card.

Although the current plug-in card eject connectors on the market can improve the above-mentioned deficiencies, their stability and positioning still have room for improvement, and the plug-in card eject connectors currently on the market have not yet done proper card ejection mechanism. Interference makes it easy for the memory card to bounce off when it is withdrawn. Because the memory card is small in size, it is not easy to find it once it bounces off.

In order to solve the lack of background technology, the designer of this case designed a connection with the functions of interference card ejection, on-off notification function and high positioning, stability and the highest pass rate with years of technical experience and the spirit of excellence device.

Contents of the invention

In order to solve the above-mentioned deficiencies in the prior art, the purpose of this utility model is to provide a unique movable card-removing connector composed of plastic and hardware terminals integrated injection molding and card-removing interference mechanism, and a kind of interference-removing connector is derived. Card, on-off notification function and connectors with high positioning, stability and the highest pass rate.

For this reason, the utility model proposes a movable card ejecting connector, the main structure is composed of: a fixed cover and a connector main body; wherein: the fixed cover, its two sides correspond to the connection The two sides of the main body of the connector are embedded and engaged with each other. There is an arc-shaped opening on the surface, and there is an elastic pressing piece on the side to press the spring engaging device below, thereby increasing high stability; the main body of the connector is It consists of: a spring engaging device, a plastic body, hardware terminals, left and right conductive sheets and auxiliary welding feet; and the spring engaging device consists of: a compression spring, a V-shaped groove body, a telescopic rod, and an interference Composed of pendulum pieces; wherein, the front end of the interference pendulum piece has a convex block that can be engaged with the notch of the memory card, and the convex block forms a position difference relationship with the side of the plastic body, so as to achieve the mechanism of interference and ejection of the card.

Preferably, the left and right conductive pieces of the connector body are integrally injection-molded in the plastic body, and extend the plastic in a 90° bending direction to protrude from the rear of the connector body, and are arranged in a staggered front and rear, thus forming The power-on and power-off notification function is used to prevent the loss of memory content and data, so that the contact between the left and right conductive sheets is more stable, thereby improving its conductivity.

Preferably, the rear end of the compression spring of the spring engaging device on the side of the connector main body is placed on the upper end of the side of the plastic body, and the front end is placed on the interference swing piece, so as to provide appropriate stress for the positioning and engagement of the memory card.

Preferably, the plastic body of the connector body has a plastic body movable groove on its side, which can be used for the V-shaped groove body of the spring engaging device to move, and its rear end is designed as an inverted V-shaped telescopic rod movable groove, which can be used by the spring. The rear end of the telescopic rod of the engaging device is connected and movable; wherein, the front end of the telescopic rod is connected to the V-shaped groove body.

Preferably, the front end of the V-shaped groove body of the spring engaging device on the side of the connector body is connected to the rear end of the interference pendulum piece, and there is a V-shaped circular displacement track for placing the telescopic rod, and the center of the V-shaped circular displacement track A telescoping rod inserting groove is provided for positioning the telescoping rod, so that when the memory card is put in, the telescopic rod can be positioned and engaged.

Preferably, the hardware terminal of the connector body is integrally injection-molded in the plastic body. This integrally formed structure can reduce the terminal deformation rate and defective products, making the manufacturing cost low and the production pass rate improved; and the hardware terminal The extension and flattening of the plastic body can overcome the problem of stress release at the bending part of the terminal, and can also eliminate the lack of a height difference between the plastic and the terminal.

Preferably, the auxiliary welding feet of the connector body are located at the four corners of the connector body and have the ability to hold and reinforce. Through its positioning function, it is beneficial to precision machining and perfect positioning and holding effect, so that the rear welding process Can be more precise and faster.

The utility model is mainly composed of a connector body and a fixed cover, and its internal structure details are as follows:

1. The fixed cover is in the shape of a ㄇ, and its two sides correspond to the two sides of the main body of the lower connector, and they are fitted and connected to each other. The spring locking device pressed to the side of the connector increases the high stability of locking and positioning.

2. The main body of the connector is mainly composed of a spring engaging device, a plastic body, hardware terminals, conductive sheets, and auxiliary welding feet; there is a spring engaging device on the side of the connector main body; there is a plastic body movable groove on the side of the plastic body, The components of the spring engaging device can be moved, and an inverted V-shaped telescopic rod movable groove is specially designed at the rear end of the movable groove of the plastic body for the movable telescopic rod of the spring engaging device; the hardware terminal of the connector body is enclosed in the The plastic body, and the terminals protrude from the plastic, and the tails of the hardware terminals are slightly bent, and can contact with the conduction of the memory card; there is a left conductive piece and a right conductive piece on the rear side of the main body of the connector, and the metal itself is projected out of the In the plastic body, it is bent at a direction of 90° to the metal material line and protrudes from the plastic body. Among them, the left and right conductive sheets are elastic and curved metal conductive sheets, and they are arranged in a staggered front and rear. In order to achieve the power-on and power-off notification function; there is one auxiliary soldering pin on the front of both sides of the connector body, and two auxiliary soldering pins on the rear of both sides of the connector body, and the auxiliary soldering pins are all integrally injection-molded on the The plastic body protrudes from the bottom of the plastic body.

3. The spring engaging device on the side of the plastic body is mainly composed of a compression spring, a V-shaped groove body, a telescopic rod, and an interference swing piece; the rear end of the compression spring is placed on the upper side of the plastic body, and the front end is placed on the In an interference swing piece; the rear end of the interference swing piece is connected to the front end of the V-shaped groove body, and the lower edge of the front end of the interference swing piece has a fitting protrusion, which can be fitted with the side wings of the plastic body, so that the entire spring engaging device can be placed on the plastic body. The side wings of the main body are displaced back and forth in a limited direction. The front end of the interference swing plate has a convex block that can be engaged with the notch of the memory card. The convex block forms a position difference relationship with the side wings of the plastic body, thereby achieving the mechanism of interference and card ejection; The telescopic rod is connected to the rear end of the inverted V-shaped telescopic rod movable groove at the rear end of the movable groove of the plastic body. In addition, the lower edge of the front end of the telescopic rod is placed in the V-shaped circular displacement track on the V-shaped groove body; the V-shaped groove body is placed on On the movable groove of the plastic body, it is used for the displacement of the V-shaped groove body in the front and rear direction on the movable groove of the plastic body. There is a V-shaped circular displacement track on the V-shaped groove body, which can be used for the circular displacement of the telescopic rod, and there is a center of the track. The inlay groove of the telescopic rod is used for the positioning of the inlay of the telescopic rod.

Through the connection and function of the above-mentioned various components, the utility model has the following advantages: interference card ejection, on-off notification function, high positioning, stability and highest pass rate performance; how to achieve the above-mentioned The technical characteristics of each performance are explained below:

1. The elastic pressing piece on the side of the fixed cover body can apply a stress to the spring locking device under the pressing, thereby increasing the high stability.

2. The hardware terminal of the main body of the connector is one-piece injection molding. This one-piece structure can reduce the deformation rate of the terminal and unqualified products, making the manufacturing cost low and the production pass rate improved; and the metal terminal extends from the plastic body and is smooth. It can overcome the problem of stress release at the bending part of the terminal, and can also eliminate the lack of a height difference between the plastic and the terminal.

3. The auxiliary welding feet of the main body of the connector have the ability to hold and reinforce. Due to its positioning function, it is conducive to precision machining and perfect positioning and holding effect, so that the rear welding process can be more accurate and faster due to the plane accuracy.

4. The left and right conductive sheet metals on the back side of the main body of the connector are integrally injection-molded on the plastic body, and are bent at a 90° direction with the metal material line to protrude from the plastic body. This integrally formed structure can reduce the terminal Deformation rate and unqualified products make the manufacturing cost low and the production pass rate increase.

5. The left and right conductive sheets on the rear side of the connector body are elastic and curved metal conductive sheets, and they are arranged in a staggered front and back; when the memory card is inserted, a stress will be generated to push the left and right The conductive sheet, because the left and right conductive sheets are elastic, makes the contact between the left and right conductive sheets more stable, and forms a power-on/off notification function to prevent the loss of memory card content.

6. When the memory card is inserted, it will push the interference pendulum piece on the spring engagement device, so that the interference pendulum piece and the V-shaped groove body will retreat on the side of the plastic body together, and the convex block of the interference pendulum piece will be engaged with the memory card Finally, the telescopic rod is embedded in the telescopic rod embedded groove at the center of the V-shaped circulation track, thereby increasing high positioning and high stability.

7. When the memory card is inserted, the compression spring on the spring engaging device will be compressed to generate a restoring stress, which can give proper resistance stamping to form stress release, thereby increasing the stability of the connector.

8. When the memory card is to be pulled out, just push the memory card forward so that the telescopic rod leaves the telescopic rod insertion groove at the center of the V-shaped circular track, and use the restoring force of the compression spring to push the interference swing piece The memory card is automatically pushed out, because there is a convex block at the lower end of the interference swing piece that engages with the notch of the memory card, and the convex block forms a position difference relationship with the side of the plastic body. An impedance stresses the memory card to form an interference card ejection mechanism, so that the memory card will not be ejected rashly, thereby increasing its stability.

To sum up, the main structure of the utility model is composed of: a connector body and a fixed cover, wherein, the inside of the connector body is provided with left and right conductive sheets staggered front and back, and the connector body There is a spring engaging device on the side, and the spring engaging device has an interference pendulum piece. The front end of the interference pendulum piece has a convex block that engages with the notch of the memory card. The convex block forms a position difference relationship with the side wing of the plastic body, and then It constitutes the functional characteristics of this case to become a high-standard and high-quality movable card return connector.

The main components of this case include: a fixed cover and a connector body, wherein the connector body is mainly composed of a spring engaging device, a plastic body, hardware terminals, conductive sheets, and auxiliary welding feet. There is a movable groove for the spring engaging device. The spring engaging device on the side of the connector body is mainly composed of a compression spring, a V-shaped groove body, a telescopic rod, and an interference swing piece.

Through the connection and function of the above-mentioned various components, the characteristics and advantages of its specific performance are described as follows:

1. Interference card ejection mechanism; the main use is that there is a convex block at the lower end of the interference swing plate, which can be engaged with the notch of the memory card. , the interference swing piece will exert an impedance stress on the memory card, therefore, the memory card will not be bounced off rashly, thereby increasing the high stability of engagement and positioning.

2. The power-on and power-off notification function; it uses the left and right elastic conductive sheets arranged in a staggered front and rear positions, so that the left and right conductive sheets can notify the system of power-off, before the memory card is ejected, to prevent the loss of the memory card content. It is integrally injection-molded with the memory card contact area and welding auxiliary feet.

3. Add high positioning and stability; by fixing the elastic pressure piece on the side of the cover body, the positioning and pressing of the lower spring snap-fitting is performed, thereby increasing high stability.

4. Increased qualification rate; refers to hardware terminals, auxiliary welding feet and conductive sheets. The metal itself is integrally injected into the plastic. Among them, the hardware terminals and auxiliary welding feet extend directly from the plastic, and the conductive sheet is 90° The direction of bending extends the plastic to protrude, thereby improving the accuracy of flatness.

Description of drawings

Figure 1: It is a schematic diagram of the appearance of the semi-finished products of the uncut terminals of the utility model.

Fig. 2: It is a schematic diagram of the internal structure of the semi-finished products of the uncut terminals of the utility model.

Fig. 3: It is a structural schematic diagram of the V-shaped groove theme and the interference pendulum piece on the spring engaging device of the present invention.

Fig. 4: is the top view of the internal structure of the utility model.

Fig. 5 is a state diagram showing the best embodiment of the utility model for inserting the memory card.

Fig. 6: is the state diagram showing the best embodiment for the memory card to be fully inserted into the utility model.

Explanation of reference signs:

Connector body 1 Plastic body 10

Plastic body activity slot 100 Telescopic rod activity slot 101

Fixed cover 2 Elastic pressing piece 20

Hardware terminal 3 Auxiliary welding pin 30

Left conductive sheet 31 Right conductive sheet 32

Spring engagement device 4 Compression spring 40

Interference pendulum 41 Telescopic rod 42

V-shaped groove body 43 V-shaped circular displacement track 430

Telescopic rod embedded groove 431 memory card 5

Potential relationship A

Detailed ways

First please refer to Figures 1 and 2: the structure of this case is mainly composed of a connector body 1 and a fixed cover body 2; wherein the connector body 1 is mainly composed of a spring engaging device 4, a plastic body 10, and hardware terminals 3. Auxiliary welding foot 30, left conductive piece 31, right conductive piece 32 are composed of an elastic pressure piece 20 on the side of the fixed cover body 2, and an arc-shaped opening at the front end of the fixed cover body; the spring engaging device 4 is mainly composed of A compression spring 40, an interference pendulum piece 41, a telescoping rod 42, and a V-shaped groove body 43 are combined.

As shown in Figure 1, the fixed cover 2 is a ㄇ-shaped cover, the lower sides of which correspond to the two sides of the connector main body 1, and are fitted and connected to each other. There is an elastic pressing piece 20 on the side of the fixed cover 2. Apply pressure to press the spring engaging device 4; the auxiliary welding feet 30 at the corners of the connector body 1 have the ability to hold and reinforce, and through its positioning function, it is beneficial to precision machining and perfect positioning and holding effect.

As shown in Figure 2, the left conductive piece 31 and the right conductive piece 32 on the inner back side of the connector main body 1 are bent in a direction of 90° to the metal material line and stretched out from the plastic body 10, and the left and right conductive pieces are elastic. And the curved metal conductive sheet is arranged in a staggered front and rear. The right conductive sheet 32 is located in front of the left conductive sheet 31. When the memory card 5 is inserted, a stress will be generated to push the right conductive sheet 32, and the right conductive sheet 32 will therefore touch the left conductive sheet 31, because the conductive sheets are elastic, making the contact between the two conductive sheets more stable, forming a conduction and power-off notification function, and then improving the conductivity of the memory card to prevent the contents of the memory card from The problem of data loss; the hardware terminal 3 is directly integrally injection-molded on the plastic body 10. This integrally formed structure can reduce the deformation rate of the hardware terminal 3 and unqualified products. After cutting the semi-finished product, the utility model is completed, and The metal terminal 3 protrudes from the plastic body 10 and is flattened, which can overcome the stress release problem of the bending part of the metal terminal 3 and eliminate the lack of a height difference between the plastic body 10 and the metal terminal 3 .

3 and 4, it can be seen that the rear end of the compression spring 40 of the spring engaging device 4 is placed on the rear end of the plastic body 10, and the front end is placed on the interference swing piece 41 of the spring engagement device 4; the rear end of the interference swing piece 41 is in contact with the spring The front end of the V-shaped groove body 43 of the engaging device 4 is connected, and the lower end of the front of the interference pendulum piece 41 has a fitting convex point, which is mutually fitted with the side wings of the plastic body 10, so that the entire spring engaging device 4 can be used on the side wings of the plastic body 10. Front and rear displacement in a limited direction; the telescopic rod 42 of the spring engaging device 4 is connected to the rear end of the movable groove 100 of the plastic body 10, and the rear end of the movable groove 100 is an inverted V-shaped movable rod movable groove 101 for the movable rod 42 , and the lower edge of the front end of the telescopic rod 42 is placed in the V-shaped circular displacement track 430 on the V-shaped groove body 43; the V-shaped groove body 43 is placed on the plastic body movable groove 100 of the plastic body 10, so that the V-shaped groove body 43 can be displaced in the front and rear directions on the plastic body movable groove 100 of the plastic body 10, and there is a telescopic rod insertion groove 431 at the center of its V-shaped circular displacement track 430 for the telescopic rod 43 to be embedded and engaged.

Finally, please refer to Figures 5 and 6, when the memory card 5 is inserted, it will push the interfering pendulum piece 41 of the spring engagement device 4, so that the interfering pendulum piece 41 and the V-shaped groove body 43 are on the plastic body 10 of the plastic body 10 Retreat inside the side wings, and make the interference pendulum 4 snap into the notch of the memory card 5, and finally, the telescopic rod 42 of the spring engaging device 4 must be embedded in the telescopic rod insertion groove at the center of the V-shaped circular displacement track 430 431, and the compression spring 40 will be compressed when the memory card 5 is inserted to generate a restoring stress, which can give appropriate resistance stamping to form stress release, and through the functions of the above-mentioned components, the stability of the connector, The positioning and conductivity are increased; when the memory card 5 is to be pulled out, it is only necessary to push the memory card 5 forward so that the telescopic rod 42 leaves the telescopic rod insertion groove 431 at the center of the V-shaped circular displacement track 430, And utilize the restoring force of compression spring 40 to promote interference pendulum piece 41 and memory card is automatically pushed out; The circular movement direction in the V-shaped circular displacement track; as shown in Figure 6, the spring engagement device has an interference pendulum piece, and the front end of the interference pendulum piece 41 has a convex block that can be engaged with the memory card 5 notch. The block and the side of the plastic body form a position difference relationship A, so when the card is ejected, the interference pendulum 41 will exert an impedance stress on the memory card 5 to form an interference card ejection mechanism, so that the memory card 5 will not be ejected hastily. thereby increasing its stability.

Claims (7)

1. A movable card-returning connector, the main structure is composed of a fixed cover and a connector main body; its characteristics are: The two sides of the fixed cover body correspond to the two sides of the lower connector main body and engage with each other. There is an arc-shaped opening on the surface, and an elastic pressing piece is provided on the side to press the spring engaging device below; The main body of the connector is composed of: a spring engaging device, a plastic body, hardware terminals, left and right conductive sheets and auxiliary welding feet; and the spring engaging device is composed of: a compression spring, a V-shaped groove body , a telescopic rod, and an interference pendulum piece; wherein, the front end of the interference pendulum piece has a convex block that can be engaged with the notch of the memory card, and the convex block forms a position difference relationship with the side wing of the plastic body. 2. The movable card ejecting connector according to claim 1, characterized in that the left and right conductive sheets of the connector body are integrally injection-molded in the plastic body, and stretch out from the plastic in a direction bent at 90° At the back of the main body of the connector, it is arranged in a staggered front and rear. 3. The movable card ejecting connector according to claim 1, characterized in that, the rear end of the compression spring of the spring engaging device on the side of the connector body is placed on the upper end of the side of the plastic body, and the front end is placed on the interference swing piece . 4. The movable card-removing connector as claimed in claim 1, wherein the plastic body of the connector body has a plastic body movable groove on its side, which can be used for the V-shaped groove body of the spring engaging device to move. The rear end is designed as an inverted V-shaped movable slot for the telescopic rod, which can be used for connection and movement of the rear end of the telescopic rod of the spring engaging device; wherein, the front end of the telescopic rod is connected to the V-shaped groove body. 5. The movable card ejecting connector according to claim 1, characterized in that, the front end of the V-shaped groove body of the spring engaging device on the side of the connector body is connected to the rear end of the interference swing piece, and there is a The V-shaped circular displacement track for placing the telescopic rod is provided with a telescopic rod inserting groove for positioning the telescopic rod inserting at the center of the V-shaped circular displacement track. 6. The movable card ejecting connector according to claim 1, wherein the hardware terminals of the main body of the connector are integrally injection-molded in the plastic body; and the hardware terminals protrude from the plastic body and are flattened. 7. The movable card ejecting connector according to claim 1, wherein the auxiliary welding feet of the connector body are located at the four corners of the connector body.

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