JPH08175272A - Locking device for lid of housing box - Google Patents

Abstract

PURPOSE: To make a locking device a push-in type which facilitates and assures unlocking operations, and lower its cost with its components reduced in number, and with assembling hours reduced in the locking device of a housing box. CONSTITUTION: A locking member 11 is equipped with a connecting section 12 capable of being bent and deformed, which is integrally extended out of the wall surface 7 of the locking member assembling section 6 of a lid 3, a main body section 15 having an unlocking push-in operating section 14 integrally formed at the extended end of the connecting section 12, and with a locking section 16 which is integrally projected out of the main body section 15, and detachably engaged with the locking section of a box main body for locking the lid 3 into a closed condition. The connecting section 12 is so constituted as to be bent and deformed based on the push-in operation of the locking member 11 when unlocking is performed with the locking member 11 pushed in one direction in the push-in operating section 14 of the main body section 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mainly relates to a locking device for a lid in a storage box such as a console box mounted on a vehicle.

[0002]

2. Description of the Related Art Conventionally, as a locking device for a lid of a storage box, for example, one disclosed in Japanese Utility Model Laid-Open No. 57-68059 is known. In this case, as shown in FIG. 9, a lock member 111 including a curved portion 112, an operation knob 113, and a hook portion 114 is integrally formed near one end of the inner member 105 of the lid body (lid) 103. , Operation knob 113
While pulling the fingertip diagonally upward while hooking the fingertip on the lower side surface, the lock member 111 is pulled from the engaging hole 108 of the box body 102.
The hook portion 114 is released to be unlocked.

However, in the above-mentioned conventional one, between the box body 102 and the lid 103,
A lower clearance S1 into which a fingertip is inserted is provided below the operation knob 113 of the lock member 111, and an upper clearance S2 is provided above the operation knob 113 so as not to hinder the pulling up operation of the operation knob 113. Must be provided.
Therefore, the appearance design may be impaired by the clearances S1 and S2 at the upper and lower portions. Further, the lock member 11
For the unlocking operation of 1, the fingertip must be inserted into the lower clearance S1 of the operation knob 113, and the fingertip must be pulled up diagonally while hooking the fingertip on the lower surface of the operation knob 113, which is troublesome. At times, if a fingertip is mistakenly inserted into the upper clearance S2 to open the lid 103, the load acts on the hook portion 114 in the locked state, and the hook portion 114 may be damaged.

[0004] Conventionally, there is a push-in type locking device in which the unlocking operation of the lid (lid) is easy and can be surely unlocked. In this case, as shown in FIGS. 10 and 11, a lock member incorporating portion 206 is formed near the end of the inner member 205 of the lid body 203, and the engaging portion 206 has a lower surface of the incorporating portion 206. A lock member 211 is assembled by a support member 224 which is fastened to the lock member 211 by a required number of screws 223, and a coil spring 220 for urging the lock member 211 in the lock direction is provided between the support member 224 and the lock member 211. Is installed. And the lock member
By pushing the 211 in one direction with the pushing operation portion 214 on the front side, the lock portion 216 of the lock member 211 is disengaged from the locking portion 208 of the box body 202 and unlocked.

[0005]

By the way, in the prior art shown in FIGS. 10 and 11, the lock can be released easily and surely by a very simple operation of pushing the lock member 211 in one direction. However, there is a problem in that the number of constituent parts of the lock device and the number of assembling steps increase, resulting in high cost. In view of the above-mentioned conventional problems, an object of the present invention is to provide a push-in type in which an unlocking operation can be performed easily and surely, and the cost of components can be reduced by reducing the number of components and the number of assembling steps. A lock device for a lid in a storage box that can be used.

[0006]

In order to achieve the above object, a lock device for a lid in a storage box according to the invention of claim 1 is provided in a lid which is openably and closably attached to an opening of a box body. A lock member built-in portion is formed, and a lock member that locks the lid body in a closed state with respect to the box body is assembled to the built-in portion, and the lock member is biased in the locking direction by a biasing means. Along with
A lock device for a lid in a storage box configured to release the lock of the lock member by pushing the lock member in one direction, wherein the lock member is a lock member for the lid. A bending-deformable connecting portion integrally extended from a wall surface of the built-in portion, a main body portion having a lock release pushing operation portion integrally formed at an extended end of the connecting portion, and the main body portion integrally. A lock portion that is projectingly provided and that engages with a locking portion of the box body in a disengageable manner to lock the lid body in a closed state;
When the pushing operation portion of the main body portion is pushed in one direction to unlock, the connecting portion is bent and deformed based on the pushing operation of the lock member. The locking device for the lid in the storage box according to the invention of claim 2 is the locking device for the lid in the storage box according to claim 1, wherein the connecting portion of the locking member has a bent shape of the connecting portion. A predetermined number of thin hinge portions are formed. A lock device for a lid in a storage box according to a third aspect of the present invention is the lock device for a lid in a storage box according to claim 1 or 2, wherein
A guide piece for moving and guiding the lock member is formed on each of the lock member and the lid body. Claim 4
The lock device for a lid in a storage box according to the present invention is the lock device for a lid in a storage box according to claim 3, wherein a plurality of guide pieces are formed on the lock member, and the guide pieces are adjacent to each other. A spring as an urging means is assembled between the guide pieces.

[0007]

In the lid locking device for the storage box constructed as described above, the locking member is formed integrally with the wall surface of the built-in portion of the lid, so that the number of parts and the number of assembling steps are reduced. When the lid body is unlocked with respect to the box body, the lock member is pushed in one direction by the pushing operation portion, so that the lock portion of the lock member is disengaged from the locking portion of the box body, and thus the lid for the box body is released. The body can be unlocked easily and securely. Further, the connecting piece is bent and deformed based on the pushing operation of the lock member. By forming a required number of thin-walled hinge portions in the connecting portion of the lock member that define the bent shape of the connecting portion, there is no problem that the connecting portion interferes with the pushing operation of the lock member. In addition, since the guide member for moving and guiding the lock member is formed between the lock member and the lid, the lock member is satisfactorily moved and guided in the pushing direction by the guide piece during the pushing operation of the lock member. . By assembling the spring as the biasing means between the adjacent guide pieces of the lock member, the space between the adjacent guide pieces is effectively used.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. In FIG. 3, the storage box 1 includes a box body 2 having a storage chamber that opens upward, and a lid 3 that is attached to one side edge of the opening of the box body 2 so as to be openable and closable by a hinge mechanism. . As shown in FIG. 1 and FIG. 2, the lid body 3 includes an inner member 5 and an outer member 4, and has an inner-outer double structure. The inner member 5 and the outer member 4 are individually formed by injection molding of synthetic resin, and the inner member 5 and the outer member 4 are integrally joined by screws or an adhesive. A lock member incorporating portion 6 is formed at one end of the inner member 5 (on the free end side of the lid). The lid body 3 is locked to the box body 2 by a lock member 11 incorporated in the lock member incorporating section 6 in a closed state.

The lock member 11 is formed integrally with the inner member 5 at the same time when the inner member 5 is injection-molded. The lock member 11 has a pair of left and right connecting portions 12 and a lock release pushing operation portion.
It has a main body portion 15 having 14 on the front side and a lock portion 16. The pair of left and right connecting parts 12 are the assembling parts 6 of the inner member 5.
The inner side wall surface 7 is formed so as to integrally extend from both end portions of the inner side wall surface 7 and can be bent and deformed. Both connecting parts
A main body portion 15 is integrally formed with the extended end portion of 12 in a state where both end portions of the lock release pushing operation portion 14 are connected. That is, the main body portion 15 has a substantially rectangular flat plate shape, and the pushing operation portion 14 is formed in an upward right-angled shape at the front end portion thereof as shown in FIG. Further, both ends of the push-in operation portion 14 are slightly bulged from the main body portion 15, and the both bulged ends and the extended end portions of both the connecting portions 12 are integrally connected.

As shown in FIG. 4, the lower surface of the main body 15 on the rear side is releasably engaged with a locking portion 8 formed near the opening of the box main body 2 to close the lid 3. A hook-shaped lock portion (16) that locks in the state is integrally provided. Then, as shown in FIG. 4 (B), the lock member 11 is pushed in one direction by the push-in operation portion 14, so that the lock portion 16 comes out from the locking portion 8 of the box body 2 and the lock member 16 is engaged. At the same time, the two connecting portions 12 are bent and deformed as shown in FIG. 5B based on the pushing operation of the lock member 11.

In this embodiment, as shown in FIG.
Thin-walled hinge portions 13 that define the bent shapes of the connecting portions 12 are formed at the extension base portion, the intermediate portion, and the extending end portion of the connecting portions 12, respectively. Each hinge portion 13 is bent and deformed outward in a curved shape. Further, the both side walls 9 of the built-in portion 6 are
The plane cross section is formed in a substantially arc shape so as not to hinder the bending deformation of the connecting portion 12.

The lock member 11 and the lid 3 are mutually
Guide pieces 17 and 18 for moving and guiding the lock member 11 in the locking and unlocking directions are formed, respectively. In this embodiment, as shown in FIGS. 1 and 5, four guide pieces 17 are provided in parallel with each other on the lower surface of the outer member 4 of the lid 3, and the guide pieces 17 adjacent to each other in the central portion are provided. The spacing is wider than the spacing between the guide pieces 17 adjacent to each other on the outer side. Then, on the lower surface of the outer member 4, a spring pressing piece 19 is formed at an intermediate portion between the guide pieces 17 adjacent to each other at the central portion thereof.

On the other hand, on the upper surface of the main body portion 15 of the lock member 11, four guide pieces 18 which are fitted into each other between the guide pieces 17 of the outer member 4 are provided so as to project in parallel with each other. The interval between the guide pieces 18 adjacent to each other in the central portion is wider than the interval between the guide pieces 18 adjacent to each other outside. Then, a space between the guide pieces 18 adjacent to each other in the central portion is used as a spring storage portion,
A coil spring 20 as a biasing means is internally provided in the spring accommodating portion. One end of the coil spring 20 is in pressure contact with the inner side wall surface 7 of the incorporating portion 6 of the inner member 5, and the other end of the coil spring 20 is at the main body portion 15 of the lock member 11.
It is pressed against the back surface of the push-in operation unit 14 in. Further, the upper surface of the coil spring 20 comes into contact with the spring pressing piece 19 to prevent the coil spring 20 from jumping out.

This embodiment is constructed as described above.
Therefore, as shown in FIG. 3, when the lid 3 is closed with respect to the box body 2, the lock portion 16 of the lock member 11 urged in the lock direction by the coil spring 20.
As shown in FIG. 4A, the locking portion 8 of the box body 2
To be held in the closed position, whereby the lid body 3 is locked in the closed position. In the state where the lid body 3 is locked at the closed position as described above, as shown in FIG. 5 (A), both connecting portions 12 of the lock member 11 extend in a substantially straight line, and both connecting portions 12
The push-in operation portion 14 at the extended end has a surface substantially the same as one end surface of the lid body 3, and the gap between the push-in operation portion 14 and the lid body 3 and the box body 2 is made as small as possible. Therefore, it is possible to obtain a good-looking appearance design.

The unlocking operation for opening the lid 3 with respect to the box body 2 can be performed easily and surely as follows. That is, the lock member 11 has the push-in operation section.
At 14, it is pushed in one direction and against the biasing force of the coil spring 20. Then, FIG. 4 (B) and FIG. 5 (B)
As shown in FIG. 3, the rear end surface of the main body 15 of the lock member 11 or the rear end surface of the guide piece 18 is the rear side wall surface 7 of the mounting portion 6 of the lid 3.
When the lock member 11 is pushed to the vicinity of the push-in end approaching to, the lock portion 16 of the lock member 11 is pulled out from the locking portion 8 of the box body 2 and is thereby released.
The lid 3 can be unlocked easily and surely.

When the lock member 11 is pushed in, the lock member 11 is guided in one direction by the guiding action of the guide pieces 17 and 18 without lateral swing, and is pushed in satisfactorily. As shown in B), both connecting parts 12 are connected to each hinge part based on the pushing operation of the lock member 11.
Since the bending portion 13 is bent and deformed outward with the bending point as the bending point, there is no problem that the connecting portion 12 becomes an obstacle when the lock member 11 is pushed.

In the above embodiment, the lock member
Although the coil spring 20 is used as the biasing means for biasing 11 in the locking direction, the invention is not limited to this. For example,
As shown in FIGS. 7A and 7B, a leaf spring 21 may be used. Further, as shown in FIG. 8, a leaf spring 21 is integrally formed of synthetic resin on the upper surface of the push-in operation portion 14 of the lock member 11 on the rear side to reduce the number of parts and the number of assembling steps, thereby achieving cost reduction. You can also Further, it is possible to make the connecting portion 12 also serve as the biasing means. That is, it is possible to elastically bend and deform the connecting portion 12 and urge the lock member 11 in the locking direction by the elastic restoring force based on the bending deformation.

[0018]

As described above, according to the present invention, the number of parts and the number of assembling steps can be reduced by integrally forming the lock member on the wall surface of the built-in portion of the lid.
The lock can be provided at low cost, and the lock can be released easily and surely by the extremely simple operation of pushing the lock member in one direction. When the connecting portion is bent and deformed based on the pushing operation of the lock member, the connecting portion is bent at a required number of thin hinge portions, and the bent shape is determined, so that the connecting portion is pushed by the lock member. It is possible to prevent problems that may interfere with the operation. Since the lock member is guided to move by the guide piece, lateral shake of the lock member can be prevented, and the one-way pushing operation force with respect to the lock member can be reliably transmitted to the lock member to release the lock. it can. By assembling the spring as the biasing means between the adjacent guide pieces of the lock member, it is possible to eliminate the need to secure a dedicated space for assembling the spring.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which an inner member and an outer member of a lid body are separated from each other in an embodiment of the present invention.

FIG. 2 is a perspective view showing a state in which an inner member and an outer member are also assembled.

FIG. 3 is a perspective view showing the same storage box as a whole.

FIG. 4 is a side sectional view showing the locking and unlocking of the lock member.

FIG. 5 is a plan sectional view of the same.

FIG. 6 is a perspective view showing a state in which the lock member of the inner member is also pushed in.

FIG. 7 is a side sectional view showing an embodiment in which a leaf spring is used as a biasing means.

FIG. 8 is a perspective view showing an embodiment in which a leaf spring made of synthetic resin is also formed integrally with the lock member.

FIG. 9 is a side sectional view showing a conventional one.

FIG. 10 is an exploded perspective view showing another conventional locking device.

FIG. 11 is a side sectional view showing a locked state of the same.

[Explanation of symbols]

 1 Storage box 2 Box body 3 Lid body 5 Inner member 6 Lock member built-in part 11 Lock member 12 Connecting part 13 Hinge part 14 Push-in operation part 15 Main body part 16 Lock part 17, 18 Guide piece 20 Coil spring (biasing means)

Claims (4)

[Claims] 1. A lid member openably and closably attached to an opening of a box body is formed with a lock member incorporating portion, and the lid portion is locked in a closed state with respect to the box body in the incorporating portion. A lock member is assembled, and the lock member is biased in the lock direction by a biasing means,
A lock device for a lid in a storage box configured to release the lock of the lock member by pushing the lock member in one direction, wherein the lock member is for the lock member of the lid. A bending-deformable connecting portion integrally extended from the wall surface of the built-in portion, a main body portion having an unlocking push-in operation portion integrally formed at the extended end of the connecting portion, and the main body portion integrally. A lock portion that is projectingly provided and locks the lid body in a closed state by releasably engaging with a locking portion of the box body, wherein the lock member is unidirectional in the pushing operation portion of the body portion. A lock device for a lid in a storage box, wherein the connecting portion is bent and deformed based on the pushing operation of the lock member when the lock member is pushed into and unlocked. 2. The lock device for a lid in a storage box according to claim 1, wherein the connecting portion of the lock member includes:
A lock device for a lid in a storage box, characterized in that a required number of thin-walled hinge portions that define the bent shape of the connecting portion are formed. 3. The lock device for a lid in a storage box according to claim 1, wherein guide members for moving and guiding the lock member are formed between the lock member and the lid. A lock device for a lid in a storage box, which is characterized in that: 4. The lock device for a lid in a storage box according to claim 3, wherein a plurality of guide pieces are formed on the lock member, and the biasing means is provided between the adjacent guide pieces among the guide pieces. A lock device for a lid in a storage box, characterized in that a spring as a member is assembled.