JPH0417491Y2 - - Google Patents

Description

[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to a locking structure at the front end of a container such as a compact container in which a main body and a lid are hingedly connected.

``Prior art'' In the case of a container in which the main body and the lid are connected by a hinge,
The main body and the lid are locked at the front end, which is the opposite part of the hinge, and the most typical structure is to provide a notch in the front end of the main body and the notch in the front end of the lid. It has a structure in which a locking piece is hung down opposite the recess, and the locking piece is locked to a part of the notch recess to maintain the closed state of the lid, and the function is supported pivotably within the notch recess. By rotating your body,
The lid is pushed up to release the lock and open.

The main bodies, lids, and effecting bodies are molded from synthetic resin, but extremely slight molding errors can cause the locking to become uncertain, the locking to be too strong, or even to prevent the operation from working properly. There were drawbacks and inconveniences, such as uncertainties in the body's movements. In particular, since the main body and the lid are locked by locking portions attached to each, the influence of molding errors is large.

In other words, in conventional locking structures of this type, the opening/closing operation varies depending on the product.

"Problems to be Solved by the Invention" The present invention is a locking structure devised to solve the above-mentioned conventional drawbacks and inconveniences, which ensures reliable and constant locking between the main body and the lid. The purpose is to maintain constant opening and closing operations. "Means for Solving the Problems" The present invention will be described below with reference to the drawings showing one embodiment of the present invention.

In the present invention, the main body 1 and the lid body 6 are connected by a hinge 14.
The main body 1 has a locking structure at the front end of the main body 1.
A notch recess 3 is provided on the front surface of the peripheral wall 2, and the lid body 6 has a locking piece 7 with a locking protrusion 8 protruding from the front surface.
is configured to hang down from the rear part of the lower surface of the front end facing the notch recess 3.

A working body 9 is pivotally supported within the notched recess 3.

This action body 9 has a locking recess 11 in which the locking protrusion 8 can lock on the rear surface of the pressing piece 10, and an elastic member on the lower rear surface of which the locking piece 7 can ride and make elastic contact. With a configuration in which the piece 12 is protruded,
Lower than the locking recess 11 and the elastic piece 1
Both sides of the upper position than 2 are pivotally supported within the notch recess 3.

"Function" In the above-described structure, when the lid body 6 is closed, the locking piece 7 enters into the notch recess 3 from above, and the lower end of the locking piece 7 touches the elastic piece of the acting body 9. 12
The actuating body 9 is rotated by being elastically deformed while coming into elastic contact with and being pushed down, and the locking protrusion 8 locks in the locking recess 11 of the pressing piece 10 to maintain the locked state.

That is, in this state, the elastic piece 1 of the effecting body 9
2 is in elastic contact with the lower end of the locking piece 7, and its elastic force acts to urge the upper end of the pressing piece 10 to rotate in the direction of the locking piece 7. The locking of the locking protrusion 8 is ensured with respect to the locking recess 11 located above, and the closed state of the lid body 6 is maintained.

From this state, when the pressing piece 10 of the acting body 9 is pressed inward and the acting body 9 is rotated against the elastic force of the elastic piece 12, the locking protrusion 8 against the locking recess 11
is released and the elastic piece 12 returns elastically, so
This elasticity pushes up the lower end of the locking piece 7, and the lid 6 rises and becomes ready to open.

In other words, the locking between the main body 1 and the lid 6 here is as follows.
Since this is done via the action body 9, even if some molding error occurs in the locking portion between the main body 1 and the lid 6, the elasticity of the elastic piece 12 will cause the locking recess 11 and the locking protrusion to 8 is secured and is not affected in any way.

"Embodiment" In the illustrated embodiment, the notch recess 3 provided in the peripheral wall 2 of the main body 1 is open at the upper and front sides, and is provided on both sides of the front wall 5 facing the front. It is formed by arranging side walls 4.

Further, the elastic piece 12 of the effecting body 9 is fixed to the lower rear surface of the pressing piece 10, and the shaft pins 13 are pivotally connected to the side wall 4 at the predetermined positions on both sides of the effecting body 9.
is installed protrudingly.

Furthermore, since the elastic piece 12 always exerts elasticity in the locked state, it is desirable that the material for its molding be made of a material that is resistant to elastic deformation fatigue, so that the molding work is somewhat troublesome. However, it is desirable that the elastic piece 12 be made of a highly elastic metal.

In this case, the effecting body 9 is insert-molded by assembling a pre-molded elastic piece 12 into a mold.

It goes without saying that depending on the size and use of the article to which the locking structure according to the present invention is assembled, the effecting body 9 may be integrally molded from an elastic synthetic resin material.

"Effects of the Invention" The container locking structure of the present invention has the configuration as described below.

Therefore, the main body 1 and the lid 6 are locked together by the action body 9.
Since the structure is such that the main body 1 and the lid 6 are not directly engaged, there is no problem with the engagement even if some molding error occurs between the main body 1 and the lid 6, and all The closed state of the lid 6 can be ensured when the product is in a certain desired locked state, and the closed state of the lid 6 can be reliably maintained by the elasticity of the elastic piece 12, and the opening operation by the operating body 9 can also be maintained constant. It will be easy and smooth.

Therefore, the locking structure of the present invention has many excellent functions and effects, such as constant and reliable locking, smooth opening and closing operations, easy molding, and simple construction.

[Brief explanation of the drawing]

FIG. 1 is an enlarged sectional view showing the main parts of the present invention. FIG. 2 is an overall sectional view showing an embodiment of the present invention. Explanation of symbols 1...Main body, 2...Peripheral wall, 3...Notch recess, 6...Lid, 7...Locking piece, 8...Locking protrusion, 9...Effective body, 10... Pressing piece, 11...
...Latching recess, 17...Elastic piece.

Claims (1)

[Scope of utility model registration request] A locking structure at the front end of the main body and the lid that are hinged together, the main body having a notched recess on the front surface of the peripheral wall, and the locking piece having a locking protrusion protruding from the front surface.
A lid body is provided hanging down at the rear of the lower surface of the front end facing the notch recess, and a locking recess into which the locking protrusion can lock is provided on the rear surface of the pressing piece, and
It has a structure in which an elastic piece on which the locking piece can ride and come into elastic contact is provided protruding from the lower rear surface, and on both sides of a position lower than the locking recess and higher than the elastic piece,
A locking structure comprising a working body pivotally supported within the notched recess.