JP2984268B1 - Locking device for storage container with lid - Google Patents

Abstract

An object of the present invention is to prevent an unrelated third party from easily taking out contents from a storage container without permission or mixing a foreign substance into contents. A first engaging hole (12) having a locking edge (14) having a hook-like cross section is formed on both side walls (11) of a storage box (1), and a second engaging hole (15) is formed on a lid (2). The lock body 20 and the lock movable body 30 provided with the first and second engagement projections 23 and 38 respectively engageable with the two engagement holes 12 and 15 are slidably fitted to each other. The lock movable body 30 is capable of moving forward with respect to 20 and is a locking device for a storage container with a lid in which the lock movable body 30 is retracted by operating a key when the lock movable body 30 is opened. Problems such as the removal of foreign matter and the incorporation of foreign matter into the product during delivery or storage do not occur. For this reason, consumers can purchase the goods jointly with peace of mind, and there is no danger of poison being mixed into the food by a third party.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage box for storing objects and a lock for a storage container with a lid which prevents anyone from opening the lid after the lid is fitted into the opening of the box. Related to the device.

[0002]

2. Description of the Related Art Conventionally, in the case where a consumer purchases foodstuffs jointly, that is, in the case of joint purchase of foodstuffs by a co-op, etc., storage for transporting and storing the foodstuffs ordered by the co-purchasers. The container is placed in a container, the opening of the container is closed with a lid, and the container can be transported and stored. In addition, in general households, pesticides, disinfectants and the like are often stored in a simple storage box without being locked.

[0003]

In the case of such a joint purchase of foodstuffs, the trader uses a storage container that is simply covered with a lid and delivers it, and the joint purchaser alternately stores it. In recent years, however, problems such as the opening of the storage container without permission and removal of the product inside, and the incorporation of foreign matter into the product have often occurred. For this reason, consumers are anxious about commodities and sometimes run the risk of poisons being mixed into food products. This poses a risk that the collective joint purchase system of foodstuffs based on the currently popular consumer joint purchase method will not be established. In addition, chemicals such as pesticides and disinfectants are widely used by farmers and ordinary households. Recently, strict management of these chemicals is required. However, storage containers for storing these are expensive. At present, it is difficult for anyone to take it out, and there is a problem of using it erroneously.

[0004] A first object of the present invention is to solve such a problem and to generate a problem that an unrelated third party takes out contents from a storage container without permission or mixes foreign matters into contents. A second object of the present invention is to provide a locking device for a storage container with a lid that prevents the lid of the storage container from being opened without a key.

[0005]

SUMMARY OF THE INVENTION A first object of the present invention is to:
Storage box 1 having opening 10 and opening 1 of storage box 1
In a storage container with a lid comprising a lid 2 for closing the storage box 1, a first engagement hole 12 having a locking edge 14 having a hook-like cross section on the open side is formed in both side walls 11 of the storage box 1, A second engaging hole 15 is formed in the lid 2 that fits into and closes the opening 10, and an L that can be engaged with the first and second engaging holes 12 and 15.
The lock body 20 provided with the first and second engagement protrusions 23 and 38 having a mold shape and the lock movable body 30 are slidably fitted to each other. This is achieved by providing a locking device for a storage container with a lid that can be advanced and that allows the lock movable body 30 to retreat from the lock main body 20 by operating a key at the time of opening.

A second object of the present invention is to form an overall L-shaped body comprising a first arm 22 having one end protruding in the horizontal direction and a body 21 extending vertically with the first arm 22. A movable portion 31 slidable along the body portion 21 is attached to the lock body 20, and the first arc is attached to one end of the movable portion 31.
The lock movable body 30 is formed integrally with a second arm 37 protruding in the horizontal direction similarly to the arm 22, and the first and second arms 22, 37 are provided with first and second arms in one end in a direction facing each other. The engaging projections 23 and 38 are respectively protruded by a predetermined amount. Further, a compression spring 24 that elastically urges the body 21 and the movable part 31 in a direction to repel each other is interposed between the body 21 and the movable part 31. A lock device for a storage container with a lid in which a ratchet mechanism that disengages when the movable unit 31 slides when the movable unit 31 moves forward and engages when the movable unit 31 retreats with respect to the body unit 21 and releases the engagement by operating a key is provided. Achieved by providing.

[0007]

FIG. 1 is a block diagram showing an embodiment of the present invention.
4 through FIG. 3 and FIG.
Is a hard resin storage box for storing foods and the like, and the storage box 1 has a cubic shape with a bottom and an open side. The lid 2 can be fitted into the upper opening 10. At least outside the opposing side walls 11 of the storage box 1, a first engagement hole 12 having a bottomed horizontally long shape is formed at a position lower than the upper end of the opening 10 by a predetermined height. The mating hole 12 is integrally fixed with a cover 13 having a locking edge 14 projecting downward on the upper side.

The lower surface of the lid 2 fits into the opening 10 of the storage box 1, and the side surface of the lid 2 is flush with the side wall 11 of the storage box 1. ing. A second engaging hole 15 is formed at a predetermined position inward from the side surface of the upper surface of the lid 2 by a predetermined distance, and the second engaging hole 15 is formed in the side wall 11 of the storage box 1. It is located on a line corresponding to the first engagement hole 12. That is, the first and second engagement holes 12 and 15 are paired with each other.

The storage box 1 and the lid 2 constitute a storage container with a lid, and a lock device 3 is attached to fix the lid 1 to the storage box 1. As shown in FIGS. 1 and 2, the lock device 3 includes a lock body 20 and a lock movable body 30 that can move back and forth along an axis with respect to a body 21 of the lock body 20. A first arm 22 protruding in a horizontal direction with respect to the axis is integrally fixed to the body 21 of the main body 20. At the tip of the first arm 22, the first
The first engaging projection 23 is formed in the second engaging hole 15 formed in the lid 2 of the storage container.
Is adapted to be engaged. Further, a space is provided in the body 21 on the center line thereof, and the space is provided in the space.
4 are built in.

On the other hand, the movable portion 31 of the lock movable body 30 is fitted in this space, and the movable portion 31
Is movable back and forth on the axis along a guide groove 25 formed on the outer surface of the. The compression spring 24 is interposed between the movable portion 31 and the body portion 21, and the movable portion 31 is constantly urged downward. The movable portion 31 is provided with a ratchet pawl 32 that is elastically biased through a torsion spring 33 so as to be rotatable in one direction.
2 is configured to engage with a ratchet tooth 34 formed on the inner surface of the body 21. The ratchet pawl 32 and the ratchet teeth 34 move relative to the lock main body 20 when the lock movable body 30 advances in the lock main body 20 against the compression spring 24. 30 is the lock body 20
When retreating inside the ratchet claw 32, the ratchet teeth 3
4.

The ratchet claw 32 is rotatable integrally with a claw shaft 35, and a key hole 40 having a hexagonal cross section is formed on the center line of the claw shaft 35. In this embodiment, the keyhole 40 has a hexagonal cross section. However, the keyhole 40 may have a polygonal shape such as a triangle, a quadrangle, or an octagon. Any other special shape may be used. And such a keyhole 40
The engagement between the ratchet teeth 34 and the ratchet claws 32 can be released by inserting and turning a key (not shown) having a cross-sectional shape that matches the shape of the ratchet claw 32. In addition, the lock movable body 30
In order to prevent the lock body 20 from slipping out of the lock body 20 when the lock body 20 retreats, the stopper portion 26 of the body 21 of the lock body 20 and the stopper 36 of the movable portion 31 of the lock movable body 30 have a retaining structure.

The movable portion 31 has a first
A second arm 37 projecting a predetermined length in the horizontal direction similarly to the arm 22 is integrally fixed.
A second engagement projection 38 is formed at the tip of the upper part 7 so as to face the first engagement projection 23 and to extend upward in parallel with the body 21. The second engagement projection 38 is adapted to engage with the first engagement hole 12 formed in the storage box 1 of the storage container.

When stopping the storage box 1 and the lid 2 fitted in the opening 10 of the storage box 1 by using the lock device 3 having such a configuration, first, as shown in FIGS.
The cover 2 is fitted so that the first and second engagement holes 12 and 15 are in the same direction. Next, a key is inserted into the key hole 40 of the ratchet mechanism and turned in advance to release the engagement between the ratchet claw 32 and the ratchet teeth 34, and the lock body 20 is elastically urged by the compression spring 24 with respect to the lock body 20. Movable body 30
Is retracted to a predetermined position, that is, in this retracted position, the first engagement protrusion 23 set by the blocking portion 26 and the stopper 36 is in the second engagement hole 15, and the second engagement protrusion 38 is in the second Since it is a position to enter each of the first engagement holes 12, the first engagement protrusions 23 and the second engagement protrusions 38 are then fitted to the second engagement holes 15 and 12, respectively. At this time, the key has already been removed from the keyhole 40. Then, the lock movable body 30 is advanced so as to enter the lock body 20 deeply so that the distance between the first arm 22 and the second arm 37 is reduced. As a result, the first engagement projection 23 fits into the second engagement hole 15, and the second engagement projection 38 fits into the first engagement hole 15. In this operation, the ratchet pawl 32 slides on the ratchet teeth 34 and moves to the ratchet teeth 34 at a predetermined position.
Engage. By this action, even if the lock movable body 30 tries to retreat by the compression spring 24, it cannot be retracted, and the lock device is fixed.

On the other hand, when the lid 2 is opened from the storage box 1 and the contents therein are taken out, a key formed on a support shaft 35 serving as a fulcrum of the ratchet claw 32 of the movable portion 31. Insert the key into the hole 40 and turn it. By performing this operation, the ratchet pawl 32 is disengaged from the ratchet teeth 34, and at the same time, the compression spring 24 expands, so that the lock movable body 30 is retracted by this elastic force. In this manner, the first and second engagement projections 2 are formed from the first and second engagement holes 12 and 15.
Since the lids 3 and 38 are removed, the lid 2 can be removed from the storage box 1.

In this embodiment, one lock device 3 is used.
As described above, two lock devices 3 are usually provided opposite to each other in the storage container, and the above operation is repeated for each of the lock devices 3 in normal work. In addition, it is also possible to provide four lock devices 3 in four directions, respectively.

[0016]

According to the present invention, as is apparent from the embodiment described above, the first engaging hole 12 having the locking edge 14 having a hook-like cross section on the open side is formed in both side walls 11 of the storage box 1. A second engaging hole 15 is formed in the lid 2 that fits into and closes the opening 10, and an L-shaped first and second engaging member that can be engaged with the first and second engaging holes 12 and 15. The lock body 20 provided with the mating projections 23 and 38 and the lock movable body 30 are slidably fitted to each other. When the lock body 20 is fixed, the lock movable body 30 can advance with respect to the lock body 20. By providing a locking device for a storage container with a lid in which the lock movable body 30 is retracted by operating a key, in the case of a joint purchase of groceries by consumers, the storage container is opened without permission. Foreign matter gets into the product during withdrawal, delivery or storage No longer be a problem of the results.
For this reason, consumers can purchase the goods jointly with peace of mind, and there is no danger of poison being mixed into the food by a third party. In addition, this means that the collective joint purchase system of foodstuffs, which is currently widely used, based on the consumer joint purchase method will continue to be continued. Further, only the joint purchaser has the same key, so that the contents can be freely taken out of the storage container. In addition, despite the demand for strict control of chemicals such as pesticides and disinfectants that are widely used by farmers and general households, storage containers for storing these are inexpensive. Can be provided and cannot be easily removed by a third party. In addition, if the storage container or the lock device is broken, it is possible to immediately find that some abnormality has occurred in the contents.

Further, a first arc having one end protruding in the horizontal direction is provided.
A movable portion 31 slidable along the body portion 21 is attached to the entire L-shaped lock body 20 including a body 22 and a body portion 21 extending vertically with the first arm 22. A lock arm 3 is integrally provided at one end with a second arm 37 protruding in the horizontal direction similarly to the first arm 22.
0, and the first and second engagement protrusions 23, 38 are provided at one ends of the first and second arms 22, 37 in directions facing each other.
Respectively, and further, a compression spring 24 is interposed between the trunk 21 and the movable part 31 so that the movable part 31
Is a locking device for a storage container with a lid in which a ratchet mechanism is disposed to engage when the movable portion 31 retreats, engage when the movable portion 31 retreats, and release the engagement by operating a key, so the lid fitted into the storage box Can be fixed or released only by the movement of the lock movable body with respect to the lock body, and the fixing or release operation is simplified. In addition, the lock device is released only by moving the lock movable body by the compression spring by operating the key, so that a special effect such as safe operation can be obtained.

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part showing the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a main part front view showing a use state of the present invention.

FIG. 4 is a sectional view taken along line BB of FIG. 3;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Storage box 2 Lid 3 Lock device 10 Opening 11 Side wall 12 1st engaging hole 13 Cover 14 Locking edge 15 2nd engaging hole 20 Lock main body 21 Body 22 First arm 23 1st engaging projection 24 Compression Spring 25 Guide groove 26 Blocking part 30 Lock movable body 31 Movable part 32 Ratchet claw 33 Torsion spring 34 Ratchet tooth 35 Claw shaft 36 Stopper 37 Second arm 38 Second engagement protrusion 40 Keyhole

Claims (3)

(57) [Claims] 1. A storage container with a lid, comprising a storage box 1 having an opening 10 and a lid 2 closing the opening 10 of the storage box 1, wherein both sides 11 of the storage box 1 are hooked on the open side. A first engaging hole 12 having a locking edge 14 is formed, and a second engaging hole 15 is formed in the lid 2 which fits into and closes the opening 10. The lock body 20 and the lock movable body 30 provided with the L-shaped first and second engagement projections 23 and 38 that can be engaged with the mating holes 12 and 15 are slidably fitted to each other. A lock device for a storage container with a lid, wherein the lock movable body 30 can move forward with respect to the lock main body 20, and the lock movable body 30 is retracted from the lock main body 20 by operating a key at the time of opening. 2. A first arm 2 having one end projecting in a horizontal direction.
A movable body 31 slidable along the body 21 is attached to an L-shaped lock body 20 which is composed of an L-shaped lock body 20 and a body 21 extending vertically with the first arm 22. One end of the lock arm 30 is integrally provided with a second arm 37 protruding in the horizontal direction similarly to the first arm 22. The lock movable body 30 is formed, and one end of each of the first and second arms 22, 37 is opposed to each other. The first and second engagement projections 23
38. A locking device for a storage container with a lid, wherein each of the projections protrudes by a predetermined amount. 3. A compression spring 24 that elastically urges the body and the movable part in a repulsive direction is interposed between the body and the movable part. The locking device for a storage container with a lid according to claim 2, wherein a ratchet mechanism that engages when the movable portion 31 retreats and releases the engagement by operating a key is arranged.