JP2544784Y2 - Container locking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a container locking device constituted by a main body and a lid.

[Conventional technology]

A conventional container locking device disclosed in Japanese Utility Model Laid-Open Publication No. Sho 61-144822 is known. FIG. 7 shows a conventional example in which projections c and d having different lengths are provided side by side on both outer wall surfaces of a main body a and a lid b. A latch e that slidably engages with the shorter projection d by sliding on the other projection c is slidably engaged, and by sliding this latch e, The main body a and the lid b are engaged and disengaged via both projections c and d.

[Problems to be solved by the invention]

In the conventional container locking device, the latch e must be slid each time the lid b is opened and closed.
Opening and closing of this lid was complicated.

In the above-described conventional example, the latch e moves to the closed position with the lid b open, and when the lid b is closed in this state, the projection d of the latch e moves to the latch e. It may hit the side and break it.

In consideration of the above, the present invention can easily perform the one-touch engagement and disengagement operation for opening and closing the main body and the lid, and there is no danger of the locking device being damaged, and the appearance is further improved. An object of the present invention is to provide an excellent container locking device.

[Means for solving the problem]

In order to achieve the above object, a container locking device according to the present invention is a container locking device provided on each of opposing edges of a pair of opening and closing members constituting a container. A locking portion attached to the opening / closing body, the locking portion being attached to the other opening / closing body and being engaged with the locking portion main body in a detachable manner; A flexible portion which is elastically deformable in the thickness direction and is formed in a plate shape, and a hook receiving portion which is provided in a hook shape on the back side of the flexible portion and provided with a locked portion inside the distal end portion. A flexible portion of the locking portion main body is exposed to the outside of the opening / closing body and fixed to the opening / closing body, and a locked portion of the locking receiving portion of the locking portion main body is provided at a tip end of the locking member. Is provided, and this locking member is
The distal end of the flexible portion interferes with the locking receiving portion of the locking portion main body in the opening and closing direction, and enters the inside of the locking receiving portion by the closing operation while bending the flexible portion, and the locking portion is engaged. A concave portion is provided at a position opposite to the flexible portion of one of the opening and closing bodies to which the locking portion main body is fixed so as to be engaged with a locked portion provided inside the receiving portion. It has a configuration.

[Action]

When the opening / closing body is closed, the locking portion of the locking member interferes with the locking receiving portion of the locking portion main body, and when further closed in this state,
The two interference portions slide while flexing the flexible portion on which the locking receiving portion is projected, and the locking portion of the locking member rides over the interference portion of the locking receiving portion and engages with the locked portion thereof. I do. By pushing the flexible portion of the locking portion body from the outside and bending it inward, the locking portion of the locking member disengages from the locked portion of the locking receiving portion, and the locking portion body The locking portion of the locking member can be released from the locking receiving portion.

〔Example〕

An embodiment of the present invention will be described with reference to FIGS.

In the figure, reference numeral 1 denotes a main body of a plastic container, and 2 denotes a lid thereof, which are connected at one side thereof by a hinge (not shown) so as to be freely opened and closed. 3 is the main body 1 and the lid 2
Is a locking device for locking the other side of each of them in a detachable manner.

The locking device 3 includes a locking portion main body 4 attached to the main body 1 side.
And locking members 5, 5 attached to the lid 2 and engaged with the locking portion main body 4 in a detachable manner.

A flexible portion 6 which is formed in a plate shape so that both sides in the longitudinal direction can bend in the plate thickness direction;
A mounting piece 7 fixed to an intermediate portion on the back side of the flexible portion 6;
Lock receiving portions 8, 8 protruding in a hook shape inside the flexible portion. Then, the mounting piece 7 is fixed to the edge 10 of the main body 1 with the screw 9 so that the locking portion main body 4 is mounted outside the edge 10 of the main body 1 and substantially flush with the outer edge. Has become. At the edge 10 of the main body 1, concave portions 11, 11 are provided at positions opposite to the back sides of both sides of the flexible portion 6. At both ends on the front side of the flexible portion 6, indications 12 for holding portions are provided, and by pressing this portion, each end of the flexible portion 6 is bent inward and deformed. The locking receiving portion 8 includes a pair of opposed hook-shaped members 8a and 8b, and the insides of the distal ends of the hook-shaped members 8a and 8b are separated from the back surface of the flexible portion 6, Arc-shaped guide surface facing upward
13 is formed, the lower side of which is a locked portion.

The locking members 5, 5 correspond to the locking receiving portions 8, 8 and are fixed to the lid 2 by means of inserts or the like at positions where they interfere with the opening and closing directions. The locking member 5 has a front shape of T
The width of the distal end of the hook-shaped member 8a, 8b of the locking receiving portion 8 is within the facing distance between the insides of the hook-shaped members 8a, 8b, and the width of the base is the width of the hook-shaped members 8a, 8b. Are within the distance between the front end opposing ends. A guide surface 14 is formed at the distal end of the lock receiving portion 8 so as to abut against the guide surface 13 of the lock receiving portion 8. The upper end of the distal end is provided on the lower surface of the hook-shaped members 8a and 8b of the lock receiving portion 8. The locking portion engages with the locked portion.

Cushion materials 15a, 15 are provided inside the container body 1 and the lid body 2.
b, which are elastically compressed in a state where the main body 1 and the lid 2 are closed, whereby the lid 2 is urged in the opening direction. I have.

The main body 1 and the lid 2 are made of blow-molded thermoplastic resin such as polyethylene or polypropylene.
It is formed into a heavy wall structure.

The locking portion main body 4 is made of an elastic material, for example, metal or plastic such as polycarbonate or ABS.

 The operation of the above configuration will be described below.

In the closing operation of the lid 2, the locking member 5 interferes with the locking receiving portion 8 immediately before the end thereof, and the guide surface 14 at the tip of the locking member 5 becomes the guide surface of the hook-shaped members 8a, 8b of the locking receiving portion 8. 13 (FIG. 5).

When the closing operation is further performed in this state, the guide surfaces 13 and 14 slide, and the locking member 5 enters the inside of the locking receiving portion 8 (FIG. 6). At this time, the flexible portion 6 is deformed inward.

At the end of the closing operation, the tip of the locking member 5 is
After the guide surface 13 of a, 8b is climbed, the locking portion provided at the distal end of the locking member 5 engages with the locked portion provided on the lower side surface of the hook-shaped members 8a, 8b. Locking is completed (fourth
Figure). At this time, the base of the locking member 5 is located between the hook members 8a and 8b.

At the time of the closing operation, the cushion members 15a and 15b provided inside the main body 1 and the lid 2 come into contact immediately before the closing operation. When the closing operation is completed, the cushioning members 15a and 15b are elastically deformed. Has been energized.

The opening operation of the lid 2 pushes both front end portions of the locking portion main body 4, that is, the flexible portion 6, and elastically deforms this portion inward. The pressing position at this time is guided by the presser portion displays 12,12. Due to the deformation of the flexible portion 6 of the locking portion main body 4,
The locking receiving portion 8 located on the back side of the locking member 8 moves inward relative to the locking member 5 engaged with the locking receiving portion 8 and the locking portions are disengaged from each other. The members 15a and 15b rotate in the opening direction by the elastic biasing force. The angle of rotation of the lid 2 in the opening direction is slight only by the amount of the urging by the cushion members 15a and 15b, and thereafter the opening operation is performed by hand.

At the time of the opening operation, if the flexible portion 6 is excessively deformed, the flexible portion 6 may be damaged. Therefore, by reducing the depth of the concave portion 11 of the main body 1 facing the flexible portion 6 and making contact with the concave portion 11, The amount of deformation of the flexible portion 6 may be regulated.

Further, the urging of the lid 2 in the opening direction in the closed state may be performed by the hinge itself connecting the main body 1 and the lid 2 or by another spring material without using the cushion members 15a and 15b. The mounting position may be any position as long as the position biases the spring in the opening direction.

Further, in the above-described embodiment, the example in which the flexible portions 6 are provided on both sides of the locking portion main body 4 in which the central portion is fixed to the main body 1 has been described, but the flexible portion 6 is provided on only one of the fixing portions. One
Or two may be provided.

[Effect of the invention]

According to the present invention, the engaging and disengaging device for opening and closing the main body 1 and the lid 2 can be easily performed with one touch. In addition, the entire locking device is housed inside the opening / closing body composed of the main body 1 and the lid 2, so that the locking members such as the locking claws do not protrude from the opening / closing body, and this locking device is It is possible to prevent the member from being hooked on the member or the external force due to collision or the like from acting thereon, thereby preventing the member from being damaged.

Furthermore, the appearance of the locking device portion can be made excellent by merely storing the entire locking device in the opening and closing body and exposing the front side of the flexible portion of the locking portion main body from the opening and closing body.

[Brief description of the drawings]

1 to 5 show an embodiment of the present invention.
FIG. 2 is an exploded perspective view of a main part, FIG. 2 is a plan view including an operation state of a flexible part, FIG. 3 is an overall perspective view of a container, FIG.
6 and FIG. 6 are explanatory views of the operation at the position along the line AA in FIG. 2, and FIG. 7 is a perspective view showing a conventional example. 1 is a main body, 2 is a lid, 3 is a locking device, 4 is a locking portion main body,
5 is a locking member, 6 is a flexible portion, and 8 is a locking receiving portion.

Claims (1)

(57) [Scope of request for utility model registration] 1. A container locking device provided on each of opposing edges of a pair of opening and closing members constituting a container, wherein a locking portion main body attached to one of the opening and closing members, and a locking portion main body attached to the other opening and closing member, And a locking member detachably engaged with the locking portion main body. The fixing portion fixed to the opening / closing body is formed on the locking portion main body so as to be elastically deformable in a plate thickness direction and formed in a plate shape. And a locking receiving portion provided with a hooked portion on the back side of the flexible portion and provided with a locked portion inside the distal end portion, and the flexible portion of the locking portion main body is provided. The locking member is exposed to the outside of the opening / closing body and is fixed to the opening / closing body. A locking portion is provided at the tip of the locking member to be engaged with the locked portion of the locking receiving portion of the locking portion main body. The distal end portion of the member interferes with the locking receiving portion of the locking portion main body in the opening and closing direction, and the flexible portion is bent toward the inside of the locking receiving portion by the closing operation. The flexible portion of the one opening / closing body is fixed to the opening / closing body such that the locking portion engages with the locked portion provided inside the locking receiving portion, and the locking portion main body is fixed. A locking device for a container, wherein a concave portion is provided at a position facing the portion.