KR20100041754A - Lock releasing mechanism - Google Patents

Abstract

The present invention is accommodated in the first slider and the through mounting groove, a slider body portion having a width substantially equal to the second opening, extending from the slider body portion, having a width substantially equal to the first opening portion, and extending obliquely toward the bottom surface of the inclined surface. A second slider having a first engaging recess and a second engaging recess that matches at a predetermined position with the first engaging recess projecting from the extended portion, and the first slider being pressed against the second housing block side; The lock release mechanism comprised by the said spring, the protrusion which protrudes from a 1st housing block, and the lock hook part which hold | maintains the matched 1st engagement recess and the 2nd engagement recess in a predetermined position.

Description

Lock release mechanism {LOCK RELEASING MECHANISM}

The present invention relates to, for example, a lock release mechanism used for mounting and withdrawing a memory card, for locking and releasing a push switch.

Patent document 1 discloses the socket which contacts a memory card, and has a slideable slider and a card lock in a body. In Patent Document 1, the body has an inclined surface that is inclined toward the memory card side in the direction in which the memory card is inserted, and when the slider moves in the direction of extracting the memory card from the locked state and the engaging portion, the card is moved. As the elastic contact portion of the lock moves along the inclined surface, the engaging portion integral with the elastic contact portion moves, so that the lock cutting and the engagement of the engaging portion are released. Moreover, in this patent document 1, in order to take out a memory card, a memory card is pushed and the slider is moved forward, an elastic contact part is moved to the right side along with an engagement part along an inclined surface, and a memory card is taken out from a housing. When moving to the possible position, the locking cutout and the engagement of the engaging portion are released.

Patent Literature 2 provides a housing, a slider, a coil spring for providing the slider in the discharge direction of a small memory card, and a slider that is elastically pressurized, and the slider is locked at the mounting position of the card and presses the card inwardly from the mounting position. And a ejection mechanism for releasing the locked state of the slider, forming a recess and a retractable protrusion on the card, and moving the slider in a direction in which the protrusion is separated from the recess at the ejection position of the card. Disclosed is a card connector device configured to be capable of swinging and to restrict the movement of a slider to a mounting position of the card. In addition, the discharge mechanism is constituted by a slider, an engagement pin and a coil spring, and the free end of the engagement pin 16 is configured to move the heart cam groove and the guide groove.

Japanese Patent Publication No. 2003-6576 Japanese Patent Laid-Open No. 2004-39437

As described in the push switch and the above-mentioned patent document, a detachment mechanism used for mounting a small memory card, for example, is mounted by releasing it by press-fitting it, and then detached by press-fitting again, whereby it is easy to take out. It has a structure that is discharged until, the operation it is already known.

As the attachment / detachment mechanism which achieves the above-mentioned operation, Patent Document 1 discloses that in the conventional configuration, since the engagement tank was a synthetic resin molded article, the locking force of the memory card may decrease due to wear of the engagement tank, but the invention of Patent Document 1 In the following description, since the card lock is made of metal, there is no decrease in the locking force. However, in this patent document 1, since the hard metal card lock moves the inclined surface formed in the card guide made of synthetic resin, since the damage of this inclined surface is severe, there is a defect that a stable operation cannot be continued continuously. In order to solve the problem, in order to improve the hardness of the inclined surface, there is a problem in that it is expensive to form the metal.

Moreover, in the structure disclosed by patent document 2, by forming the heart-shaped cam groove and guide groove which a engagement pin moves, the engagement pin needs the thickness which withstands the strength of a coil spring, and the heart-shaped cam which engagement pin engages. Since the width | variety of a groove | channel and a guide groove | channel must also be formed corresponding to this, there exists a problem that a certain space is needed from a certain width | variety.

In view of the above, the present invention provides a lock release mechanism in which reliable operation is continued in an inexpensive configuration and space saving is achieved.

Therefore, the lock release mechanism of this invention is formed along the movement direction with the 1st and 2nd housing block which define the movement range of one direction, and has the inclined surface on the 1st housing block side, A first slider having a first mounting recess having a first opening and a second opening on the side of the second housing block, and having a first engagement recess formed at a predetermined position; By a slider body portion having a width substantially equal to the opening portion, an extension portion extending from the slider body portion and having a width substantially equal to the first opening portion, extending obliquely toward the bottom surface of the inclined surface, and a prescribed protrusion projecting from the extension portion. A second slider having a second engagement recess that is configured to mate at a predetermined position with the first engagement recess, and the first slice A spring for urging the pressure toward the second housing block side, a protrusion projecting from the first housing block, and a lock hook portion for holding the matched first engagement recess and the second engagement recess at a predetermined position. It is composed by.

Further, the lock release mechanism having the above configuration further includes the first slider and the second slider contacting the second housing block, and the extension of the second slider moves to a position shifted from the protrusion along the inclined surface. The first slider is pressed against the first housing block by the external force and the first state in the position where the first engagement recess is displaced from the second engagement recess, and the second slider is in contact with the first housing block. Moves together with the first slider, the prescribed protrusion of the second slider is displaced from the protrusion of the first housing block to contact the first housing block, and the first engagement recess and the second engagement recess are The first slider and the second slice by the pressing force of the spring while maintaining the second state in which the addition matches and the second state. Is moved to the second housing block side, the lock hook portion is engaged with the first engagement recess and the second engagement recess in the matched state, and the third projection is moved to a position in which the prescribed protrusion is in coordination with the protrusion. And the prescribed protrusion of the second slider collides with the protrusion by an external force, and the first slider moves so as to contact the first housing block, and the first engagement recess is displaced with respect to the second engagement recess. At least the fourth state in which the lock of the lock hook portion is released is provided.

Thereby, when the 1st slider and the 2nd slider are in a 1st state, it shifts from a 1st state to a 2nd state by external force, the 1st engagement recessed part and the 2nd engagement recessed part will match, and the pressing force of a spring will be By the lock hook portion in the third state. In addition, when releasing this lock, by applying an external force to the 1st housing block side again, a 1st slider and a 2nd slider will move to a 4th state, and the 1st engagement recessed part and the 2nd engagement recessed part will be matched. Is released, the lock claw portion is released, returns to the first state by the pressing force of the spring, and returns to the initial state.

It is preferable that the external force is a force transmitted through a pressurization of a switch, an insertion force of a memory card, or a mechanism that links with the force.

In the lock release mechanism of the present invention, since the second slider is disposed in the first slider, space saving is achieved in the width direction. Further, since the extended portion of the second slider is locked and unlocked with only a minimum displacement along the inclined surface formed on the first slider, the operation is stable and the life of the mechanism itself is long.

1 is an explanatory perspective view showing an example using the lock release mechanism of the present invention;
Fig. 2 is an explanatory perspective view showing that the component is a part of the lock release mechanism of the present invention, which is formed in the housing;
3 is an explanatory perspective view illustrating an example of a first slider of the present invention;
4 is an explanatory perspective view illustrating an example of a second slider of the present invention;
5 is an explanatory diagram illustrating the operation of the lock release mechanism of the present invention.

EMBODIMENT OF THE INVENTION Hereinafter, the Example of this invention is described by drawing.

The lock release mechanism 1 according to the present invention is provided in the housing 3 to which the memory card 2 is mounted, for example, as shown in FIG. 1, and the fixing after the insertion of the memory card 2, It is to perform the fixed release and discharge operation at the time of taking out.

The lock release mechanism 1 has a first housing block 31 and a second housing block 32 formed integrally with the housing 3, and the movement of the first slider 4 described later by them. It is to define the scope.

In addition, as shown in FIG. 2, the housing 3 is provided with a protrusion 33 and a lock hook 34 that protrude from the first housing block 31. In addition, the housing 3 is formed with a spring fixing protrusion 35 for fixing the spring 5 for pressing the first slider 4 toward the second housing block 32 side.

Moreover, as shown in FIG. 3, the said 1st slider 4 has the through mounting groove 41 formed in the center along the moving direction, and this through mounting groove 41 is a 1st housing block ( On the side of the 1st opening part 43 which has the inclined surface 42 in the 31 side, and is located in the 1st housing block 31 side narrowed by this inclined surface 42, and the said 2nd housing block 32 side. It has a second opening 44 located therein. Moreover, the 1st engagement recessed part 45 is formed in the predetermined position in the side surface of one edge part of the said through-mounting groove 41. In addition, the first slider 4 has a shape that matches the shape of the side surface of the memory card 2, and maintains a mechanical holding force that receives the force for injecting the memory card 2 into the first slider 4 as an external force. It has a portion 46.

The second slider 6 accommodated in the through mounting groove 41 of the first slider 4 includes a slider main body 61 having a width substantially equal to that of the second opening 44, and the slider main body portion. An extension portion 62 extending from one side of the 61 and having a width substantially equal to the first opening portion 43 and inclined toward the inclined surface bottom portion 47 and extending to the extension portion 62. It is comprised by the defining protrusion part 63 which protrudes from the side of and has the 2nd engagement recessed part 64 which matches the said 1st engagement recessed part in a predetermined position.

In the lock release mechanism 1 of the above structure, in FIG. 5A, the said 1st slider 4 and the said 2nd slider 6 contact the said 2nd housing block 32, and the said The prescribed projection portion 63 of the extension portion 62 of the slider 6 is moved along the inclined surface 42 to a position displaced with respect to the projection portion 33, and protrudes from the first engagement recess portion 45. A first state is shown where the second engagement recess 64 is in a misaligned position. This first state indicates an initial state in which the memory card 2 is not mounted in this embodiment.

In FIG. 5B, when the first slider 4 receives an external force generated when the memory card 2 is press-fitted, the first slider 4 is press-fitted to the first housing block 31. ), The second slider 6 moves together with the first slider 4, and the defining protrusion 63 of the second slider 6 is a protrusion of the first housing block 31. A second state, which shifts from 33, is in contact with the first housing block 31 is shown. In this second state, the first engagement recesses 45 and the second engagement recesses 64 are in a mated state.

In FIG. 5C, when the external force is released from the second state, the first slider 4 and the second slider 6 maintain the second state, and the pressing force of the spring 5 is maintained. Thus, the first slider 4 and the second slider 6 are moved to the second housing block 32 side, and the first and second engagement recesses 45 and 64 are matched with each other. A third state is shown in which the locking hook 34 is engaged to stop and the prescribed protrusion 63 moves to a position opposing the protrusion 33. This third state also shows a state in which the memory card 2 is mounted and held.

When the memory card 2 is to be taken out, an external force is applied to the first slider 4 by press-fitting the memory card 2, and the prescribed protrusion of the second slider 6 is exerted by this external force. While 63 strikes the protrusion 33, the first slider 4 moves to contact the first housing block 31, and the first engagement recess 45 is engaged with the second engagement. It is shift | deviated with respect to the recessed part 64, and it will be in a 4th state as shown in FIG.5 (d) in which the lock of the said lock hook part 34 is released.

When the external force is lost from this fourth state, the pressing force of the spring 5 returns to the first state, and the memory card 2 is in a state where it can be taken out.

The lock release mechanism disclosed in the present invention can be used not only for mounting and releasing the memory card but also for a push button type push push switch mechanism. In this case, the above operation can be achieved by configuring to press toward the first slider and the second slider.

The lock release mechanism can be used to open and close the cover of the dashboard cabinet by configuring the first slider and the second slider to move in an arc shape.

1: Lock release mechanism 2: Memory card
3: housing 4: first slider
5: spring 6: second slider
31: first housing block 32: second housing block
33: projection 34: lock hook
35: spring fixing protrusion 41: through mounting groove
42: slope 43: first opening
44: second opening 45: first engagement recess
46: mechanical holding part 47: slope bottom
61: slider body portion 62: extension portion
63: prescribed projection 64: second engagement recess

Claims (2)

First and second housing blocks defining a moving range in one direction;
It is formed along the direction of movement, has a inclined surface on the first housing block side, has a through-mounting groove having a first opening on the first housing block side and a second opening on the second housing block side, and at a predetermined position. A first slider having a first engagement recess formed;
A slider body portion accommodated in the through mounting groove, the slider body portion having a width substantially equal to the second opening portion, an extension portion extending from the slider body portion and having a width substantially equal to the first opening portion, and extending obliquely toward the bottom surface of the inclined surface; And a second slider configured by a prescribed projection projecting from the extension portion, the second slider having a second engagement recess that matches the first engagement recess at a predetermined position;
A spring for urging the first slider toward the second housing block;
A protrusion protruding from the first housing block;
And a locking hook portion for holding the matched first engagement recess and the second engagement recess at a predetermined position.
Lock release mechanism. The method of claim 1,
The first slider and the second slider are in contact with the second housing block, the extension portion of the second slider moves along the inclined surface to a position displaced with respect to the protrusion, protrudes, and the first engagement recess and the The first state in which the second engagement recesses are out of position,
The first slider is pressed against the first housing block by an external force, and the second slider is moved together with the first slider, and the prescribed protrusion of the second slider is moved from the protrusion of the first housing block. A second state in which the first engagement concave portion and the second engagement concave portion match with each other while being in contact with the first housing block by shifting;
While maintaining the second state, the first slider and the second slider are moved to the second housing block side by the pressing force of the spring, and the lock hook portion is engaged with the first engagement recess and the second engagement recess that are matched. A third state in which the prescribed projection is moved to a position opposed to the projection at the same time as it is stopped;
By the external force, the prescribed projection of the second slider collides with the projection, and the first slider moves so as to contact the first housing block, and the first engagement recess is displaced with respect to the second engagement recess. And a fourth state in which the lock of the lock hook portion is released.
Lock release mechanism.

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