KR100680869B1 - Card connector - Google Patents

Abstract

A card connector is provided to easily insert/eject a memory card into/from the main body of a card connector and easily confirm the memory card set state. A card connector includes a main body(1), a cover(2), and a slide cam(3). The main body has a card insertion part(11) and protrusions(12) respectively formed at four corners. The cover includes combining pieces(21) having combining holes(211) respectively combined with the protrusions of the main body. The slide cam guides the memory card to be inserted/ejected into/from the memory card insertion part of the main body according to a spring(4). The card connector further includes a pair of switches(8) operated by the memory card inserted/ejected into/from the card insertion part. It is confirmed whether the insertion state of the memory card is normal using the switches.

Description

Card connector {CARD CONNECTOR}

1 is an exploded perspective view showing a card connector according to the present invention;

2 is a perspective view showing a card connector according to the present invention;

3 is a perspective view showing a main body of a card connector according to the present invention;

Figure 4 is a state diagram showing the card connector according to the present invention,

5 is an operating state diagram showing a card connector according to the present invention;

Figure 6 is an enlarged plan view of the main portion showing another embodiment of the switch according to the present invention

7 is a side cross-sectional view showing another embodiment of a switch according to the present invention;

8 is a plan view showing another embodiment of a slide cam according to the present invention;

9 is a plan view showing another embodiment of a slide cam according to the present invention.

* Explanation of symbols for main parts of drawings *

1: main body 11: cart insertion part 12: fixed protrusion

2: cover 21: engaging piece 211: engaging groove

3: Slide Cam 34: Drawing Piece 35: Guide Surface

36: reinforcing piece 4: spring 7: memory card

8: switch

The present invention relates to a card connector to be mounted on an electronic device such as a mobile phone, and more particularly, a pair of contacts for confirming whether a memory card is abnormal by contacting by inserting or withdrawing a memory card into a memory card insertion unit formed inside the main body. Forming a switch in the form of a plate made of, and the memory card is easy to draw out on one side of the slide cam, by integrally extending the "b" shaped outgoing piece to form a stable contact, the insertion of the memory card or With the advantage that the user can easily check the withdrawal from an external device, it checks the memory card for abnormal condition by checking whether there is a problem with the memory card, and when the memory card is contacted when the memory card is inserted or removed Prevents bad contacts due to play of the card and prevents unsafe withdrawal of the memory card It relates to a card connector having an effect.

As the functions of electronic devices such as mobile phones, MP3s, digital cameras, chemcotters, etc. are being diversified, the storage capacity is gradually increasing.

For example, mobile phones with digital cameras that can take pictures and videos or mobile phones with MP3 players have evolved toward higher capacities, requiring separate storage media.

As a result of the need for an additional expansion memory, companies producing electronic devices have embedded a large amount of memory in the mobile terminal in addition to the electronic device. In the case of a large memory, it is a waste of unnecessary expenses for users who do not use it.

In order to solve this problem, Korean Patent No. 10-0513836 has an inclined surface formed at one corner of the tip, and a memory card having a locking groove formed at the rear side of the inclined surface is inserted into the card slot of the housing and installed at the rear end of the housing. A memory card connector electrically connected to a terminal, the memory card connector being provided on one side of a housing and having a heart-shaped guide groove formed thereon, and formed at a rear end of the body part corresponding to an inclined surface of the memory card. And a sliding heart cam having a mating portion engaging with the body, and a locking portion protruding from one side of the body and locking and locking the locking groove of the memory card; Heart cam support wall to stop the operation, is installed in the rear of the sliding heart cam to move the sliding heart cam to the front Pressurized elastic spring, and one side is fixedly supported by the housing, the other side includes a pin rod for fixing and releasing the sliding heart cam by abutting the guide groove to form a sliding heart cam integrating the slide and the heart cam. Since the housing of the memory card connector can be further miniaturized, it contributes to the miniaturization of the digital device and improves the conventional problem of replacing the entire housing when the heart cam is damaged, so that only the sliding heart cam can be replaced, thereby wasting parts. It was possible to reduce, by forming the locking portion of the sliding heart cam in a locking manner, by enabling the locking and unlocking by the rotation of the sliding heart cam, it was possible to more securely lock the memory card.

However, when the memory card is installed in the card slot of the housing, the software for controlling the electronic device becomes complicated because it is necessary to check whether the memory card is moved and installed depending on the software of the electronic device. When the power supply of the electronic device is not turned on and off, there is a problem in that it is difficult for a user to check the presence or absence of a memory card when there is no separate control program.

In addition, according to the type of the memory card there is a problem that the play may occur in the portion where the memory card is mounted to cause an unstable removal of the memory card.

In order to solve the conventional problems as described above, the object of the present invention can easily insert or withdraw the memory card inserted into the main body, the user can easily check the mounting state of the memory card, as well as the memory The present invention provides a card connector that can check in advance whether there is a problem with the card.

In addition, to provide a card connector that extends the life of the connector by preventing the deformation of the switch as well as preventing the bad contact by adjusting the play by the memory card installed inside the main body.

As a specific technical means for achieving the above object,

A card inserting portion for installing a memory card, a main body having protrusions formed at one side of each of the four corners, a cover formed with a engaging piece having a coupling groove to correspond to the protrusions of the main body, and an inserting portion inside the main body The memory card is constituted by a slide cam which guides insertion and withdrawal by means of a spring; A pair of plate-shaped switches which are contacted by the insertion and withdrawal of the memory card to the memory card insertion unit formed inside the main body to check whether the memory card is abnormal; The switch is selectively formed in either a horizontal or vertical direction according to the shape of the lead piece of the slide cam; The switch is formed by bending a central portion of the cover of any one pair of switches to the letter "a" to form the cover as a switch.

In addition, the slide cam is formed on one side thereof so as to facilitate the withdrawal of the memory card and to extend the "a" shaped withdrawal piece integrally so that the contact of the switch is stabilized; The drawing piece, on one side thereof forms a guide surface for minimizing the contact resistance with the switch; The drawing piece is formed by further forming a reinforcing piece on one side thereof to prevent breakage of the drawing piece.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view showing a card connector according to the invention, Figure 2 is a perspective view showing a card connector according to the present invention, Figure 3 is a perspective view showing the main body of the card connector according to the invention, 4 is a use state diagram showing a card connector according to the present invention, Figure 5 is an operating state diagram showing a card connector according to the present invention, Figure 6 is an enlarged plan view of the main portion showing another embodiment of the switch according to the present invention. 7 is a side cross-sectional view showing another embodiment of a switch according to the present invention, FIG. 8 is a plan view showing another embodiment of a slide cam according to the present invention, and FIG. 9 is another view of the slide cam according to the present invention. A plan view showing another embodiment.

As shown in FIGS. 1 to 5, the card connector of the present invention is coupled to a main body 1 serving as a frame of a card connector and fixing protrusions 12 formed at one side of four corners of the main body 1, respectively. It is composed of a cover (2) formed with each engaging piece (21) having a defect groove (211) on one side of the four corners to serve to cover.

In particular, the main body 1 is provided with a card inserting portion 11 on one side so that the memory card 7 can be inserted, and the memory card 7 to be inserted / withdrawn through the card inserting portion (11) And a fixing piece (5) for elastic action, which is detachably attached to the slide cam (3) so that the memory card (6) is inserted into and fixed inside the main body (1). A coil spring 4 coupled to one side of the slide cam 3 is configured to reciprocate the slide cam 3 for inserting / drawing the memory card 7 through the inserting portion 11.

In particular, the presence or absence of the memory card (7) by installing a switch (8) operated by the memory card (7) that is inserted into or withdrawn from the card insertion unit 11 on one side of the card insertion unit 11 formed in the main body Received by the switch 8 will allow the user to quickly check the installation and abnormality from the outside of the electronic device.

In addition, the slide cam (3) uses a coil-shaped spring (4) to facilitate insertion and withdrawal of the memory card (7). The cam fixing protrusion (31) is formed on one side to form the spring (4). After fixing the memory card 6 is inserted into the slide cam (7), the fixing portion insertion groove 33 is provided with a fixing piece (5) having elasticity on the upper side of the slide cam (7) so as not to be automatically drawn out. By attaching and fixing the fixing piece 5, the memory card 7 is inserted and fixed without being easily separated after being inserted through the card insertion part 11, and the insertion and withdrawal of the memory card 7 is performed. To facilitate this, it is composed of a guide groove 32 having a push push function on one side thereof.

At this time, the guide groove 32 is to perform a push-push function in accordance with the movement of the guide groove 32 is stepped by the positioning pin 6 hinged to the main body 1, the guide groove 32 It is to prevent the slide cam 3 from operating in reverse due to the step difference, the positioning pin (6) by the support piece 212 cut in the engaging piece 21 formed on the side of the cover (2) It is to be moved along the guide groove 32 without being separated from the guide groove 32 of the slide cam (3).

Accordingly, the working space 16 is formed on the side of the main body so that the positioning pin 6 hinged to the side of the main body 1 can be operated.

In addition, the coupling of the cover 2 and the main body 1, the fixing projections 12 formed on one side around the main body 1 of the engaging piece 21 formed on the side along the periphery of the cover 2, respectively It is formed to be coupled to the fixing projections 12 by the locking groove 211 is fixed to the fixed structure 12, to protect from the deformation of the external impact of the electronic device with a card connector and at the same time configured to reduce the height effectively as a smart product will be.

At this time, the main body 1 is formed in each of the upper surface of the double coupling groove 15, and the cover 2 corresponding to this bending process of the double coupling piece 23 introduced into the double coupling groove (15) This is to prevent the cover 2 from being detached or deformed from the main body 1 with the fixing protrusion 12 of the main body 2 and the engaging piece 21 of the cover 2.

As described above, the shape of the fixing piece 5, which serves to fix the memory card 7, is a "U" shaped leaf spring, the material of which is used semi-permanently using stainless steel, In order to fix the memory card 7 through the combination of the slide cam 3 and the fixing piece 5, the end portion of the fixing piece 5 is bent to form an “C” shaped elastic protrusion 51.

In this case, as described above, the elastic protrusion 51 is easily detached when the memory card 7 is inserted and inserted, thereby preventing damage due to user's carelessness.

In addition, with the cam fixing protrusions 31 formed on the slide cam 3, another body fixing protrusion 14 is formed on one side of the main body 1 to prevent separation due to plastic deformation of the spring 9. By preventing the plastic deformation of the spring (4) to the horizontal reciprocating motion and thereby preventing the elastic force is weakened, it is possible to use the card connector for a long time.

In addition, the present invention, when the memory card 7 is inserted into the card connector to minimize the frictional surface of the main body 1 and the memory card 7 to lower the frictional resistance to minimize the appearance damage of the memory card (7) 1) As well as the projection 13 is formed on the bottom surface, the bending process of the "b" shape 22 on one side of the upper cover 2, the memory card 7 is rubbed with the side of the main body 1 Minimizing the portion as well as providing a moderate friction force is configured so that the memory card (7) does not fall easily from the card connector.

6 and 7, the plate-shaped pin switches 8 formed in pairs on one side of the card inserting portion 11 formed in the main body 1 are formed of the memory card 7. By checking the insertion and withdrawal, it is possible to quickly check whether or not the memory card 7 is installed in the electronic device and whether or not it is installed, and according to the shape of the drawing piece 34 of the slide cam 3, The installation direction may be selectively installed in either a horizontal or vertical direction, but it may be desirable to form horizontally side by side for simplicity of the manufacturing process thereof, but to simplify the assembly process in which the card connector is installed in the electronic device. By using one of the pair of switches 8, the cover 2, which is bent by bending a central portion of the cover 2 with the letter "a" as the switch 8, to simplify the assembly process of the electronic device. Could .

At this time, when one of the switches (8) is bent to the cover to have a vertically formed upper and lower, the reinforcing piece 36 is installed on the withdrawal piece of the slide cam (3) to move the slide cam (3) As a result, the reinforcing piece 36 presses the switch 8 from the top to be in contact.

As can be seen from Figs. 8 to 9 showing another embodiment of the general slide cam 3 which draws out the memory card 7, the side of the memory card 7 when the memory card 7 is pulled out. The present invention provides a convenient way to pull out the memory card 7 on one side of the slide cam 3 because the pushing direction acts in a diagonal direction so that a problem may occur in the extraction of the memory card 7. "The shape of the withdrawal piece 34 is formed to extend integrally so that the direction of the withdrawal force of the memory card 7 to be withdrawn is horizontal so that the memory card 7 can be easily withdrawn to the outside of the card connector. .

In addition, since the drawing piece 34 is formed to extend from the slide cam 3, the reinforcing piece 36 is formed on one side of the drawing piece 34 in order to prevent damage due to user's carelessness due to its thin thickness. It is to form more to prevent breakage.

In addition, the reinforcing piece 35 further forms a guide surface 35 to minimize contact resistance with the switch 8 on the side of the drawing piece 34 to prevent plastic deformation of the switch 10 when used for a long time. To extend the life of the card connector.

In addition, the drawing piece 34 extends from the slide cam 3 in order to operate the switch 8, so that the drawing piece 34 has a small thickness so that the drawing piece 34 of the drawing piece 34 is prevented from being inadvertently damaged by the user. The reinforcing piece 36 is formed on one side to prevent breakage.

At this time, the switch 8 is contacted up and down by the reinforcing piece 36, so that the cover 2 mentioned above is used by bending the switch 8 to shorten the assembly process of the electronic device. You can do it.

Although the present invention has been described with reference to specific embodiments, the present invention is not limited thereto, and modifications and variations may be made within the scope of the technical idea of the present invention.

As described above, the card connector according to the present invention forms a pair of plate-shaped switches in which a memory card is contacted by insertion or withdrawal through a memory card insertion unit to insert or withdraw a memory card. In addition to the advantage that the user can easily check from the external device, there is an advantage that can check the state of use of the memory card in advance by checking the presence of the memory card.

In addition, by forming a pull-out piece for operating a switch on the slide cam provided inside the main body, it prevents a bad contact caused by the clearance of the memory card generated when the memory card is contacted during insertion or withdrawal of the memory card, and prevents unstable withdrawal of the memory card. It is effective to prevent.

Claims (7)

A main body 1 having a card inserting portion 11 for installing a memory card and having protrusions 12 formed at one side of four corners thereof, A cover 2 having a locking piece 21 having a coupling groove 211 so as to correspond to the protrusions 12 of the main body 1; The switch 8 for detecting the memory card 7 and the slide cam 3 to guide the insertion and withdrawal of the memory card 7 by the spring 4 through the insertion unit 11 inside the main body 1. Card connector, characterized in that consisting of. The method of claim 1, The switch 8 formed inside the main body 1 is contacted by the insertion and withdrawal of the memory card 7 by the memory card insertion unit 11 so as to check whether the memory card 7 is installed or not. Card connector, characterized in that formed in the plate shape consisting of. The method of claim 2, The switch (8) is a card connector, characterized in that formed in one of the horizontal or vertical direction selectively depending on the shape of the slide cam (3). The method of claim 2 or 3, The switch 8 is characterized in that the cover 2 is used as the switch 8 by bending one of the centers of the cover 2 to one of the pair of switches 8 by bending the letter “b”. Card connector. The method of claim 1, The slide cam 3 extends the "a" shaped outgoing piece 34 integrally so that the memory card 7 can be easily drawn out on one side thereof, and the contact is stabilized by adjusting the play with the switch 8. Card connector, characterized in that formed so as to. The method of claim 5, The drawing piece (34), the card connector, characterized in that the guide surface (35) for minimizing contact resistance with the switch (8) on the outer edge portion of the "b" shape. The method according to claim 5 or 6, The drawer (34) is a card connector, characterized in that further formed on one side of the reinforcing piece (36) to prevent breakage of the drawer (34).

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