JP2001111255A - Cap-fastening device for enclosure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cap-fastening device for enclosure, the manufacturing cost of which can be reduced by making the constitution of the device simpler and can prevent the cap of an enclosure from being opened, without using special locks. SOLUTION: A cap-fastening device is constituted, in such a way that a base member 4 is provided on the main body 1 of an enclosure and one end of a screw receiving arm 8 meshed with an opening/closing screw 9 is attached rotatably to the base member 4. In addition, a hook member 12, provided with a slit 14 having one opened end, is provided on the cap 2 of the enclosure. A shaft section 9a of the screw 9 meshed with the arm 8 is positioned in the slit 14, by turning the arm 8 and the hook member 12 is clamped and fixed to the arm 8 by means of the screw 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover stopper device for a housing capable of housing various electronic devices.

[0002]

2. Description of the Related Art In this type of housing, a lid is connected to one end of a main body via a hinge so as to be openable and closable, and the main body and the lid are fixed by a lid stopper.

[0003] As a conventional lid stopper device for a housing, the one shown in FIG. 5 is known. To explain this, a base member b is mounted at a predetermined position of the main body a, and an operation lever d is rotatably mounted on the base member b via a pivot c. An elongated hole (not shown) is formed in the operation lever d, and an engaging arm f is rotatably attached via a pivot e inserted into the elongated hole (not shown). The pivot e and the engagement arm f are urged by a spring member g in a direction in which the pivot e of the engagement arm f is separated from the pivot c of the operation lever d. Further, the operation lever d
A through hole i is formed at a predetermined position of the base member b so that the upright tongue h can be inserted therethrough, and a locking hole j is formed at the tip of the upright tongue h. On the other hand, at a predetermined position of the lid k, a hook l with which the engaging arm f can be engaged is attached. Incidentally, a similar configuration is disclosed in Japanese Patent No. 2807208.

According to such a configuration, in order to fix the main body a and the lid k by the lid stopper, first, the operation lever d is rotated counterclockwise from the state shown in FIG.
The engaging arm f is engaged with the hook l. Next, with the engagement arm f engaged with the hook l, the operation lever d
Is rotated clockwise (the state shown in FIG. 5). Thereby, the engaging arm f pulls the hook 1 downward in FIG. 5 by the spring force of the spring member g, and the main body a and the lid k are firmly fixed.

When the operating lever d is in the state shown in FIG. 5, the tip of the standing tongue h of the base member b projects through the through hole i. A padlock or the like is attached to a locking hole j formed on the distal end side and locked.

[0006]

However, in the above-mentioned prior art, the structure of the lid stopper is complicated, which hinders a reduction in manufacturing cost. Also, when locking with a padlock or other lock, this lock is necessary,
The whole device including the lock becomes large, and the key needs to be managed.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional circumstances. It is possible to reduce the manufacturing cost with a simple configuration and to prevent the lid from being opened without using a special lock. It is an object of the present invention to provide a cover stopper device for a housing capable of performing the following.

[0008]

In order to solve the above-mentioned problems, a cover closing device for a housing according to the present invention has a base member provided on one of a main body and a cover of the housing, and an opening / closing screw is screwed to the base member. While one end of the screw receiving arm is rotatably mounted, a hook member having a slit whose one end is open is provided on one of the main body and the lid of the housing, and the screw receiving arm is rotated. The shaft of the opening / closing screw screwed to the screw receiving arm is positioned in the slit, and the hook member is fastened and fixed to the screw receiving arm by the opening / closing screw.

According to this configuration, in order to fix the main body and the lid by the lid stopper, first, the opening and closing screw screwed into the screw receiving arm is loosened by a predetermined amount, and the screw receiving arm is turned in this state. Then, the shaft of the opening / closing screw is inserted into the slit from the open end of the slit, and is positioned in the slit. In this state, a hook member is arranged between the screw receiving arm and the head of the opening / closing screw.

Next, tightening the opening / closing screw in a state where the shaft portion of the opening / closing screw is located in the slit, that is, in a state where the hook member is disposed between the screw receiving arm and the head of the opening / closing screw. Thereby, the hook member is fastened and fixed to the screw receiving arm. Thereby, the main body and the lid are fixed by the lid stopper.

When the lid is to be opened from the state where the main body and the lid are fixed by the lid stopper, it is necessary to loosen the opening / closing screw and detach the shaft of the opening / closing screw from the inside of the slit. That is, the lid cannot be opened unless the opening / closing screw is loosened. Therefore, opening of the lid can be prevented without using a special lock. In particular, by making the shape of the head of the opening / closing screw a special shape, opening of the lid can be easily prevented.

Accordingly, a lid closing device for a housing can be obtained with a simple configuration, which can reduce the manufacturing cost and can prevent the lid from being opened without using a special lock.

[0013] Further, in the housing lid stopper device of the present invention, the base member and the hook member are mounted on the main body and the lid of the corresponding housing with mounting screws. In a state of being fixedly fastened to the screw receiving arm, it is arranged on the back side of the screw receiving arm.

According to this configuration, since the base member and the hook member are attached to the main body and the lid of the corresponding housing with the mounting screws, it is easy to provide the lid stopper on the existing housing. It becomes possible. Further, the mounting screw is disposed on the back side of the screw receiving arm when the hook member is fastened and fixed to the screw receiving arm. Cannot be removed, and the fixed reliability is ensured.

[0015]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a perspective view of a housing lid stopper device showing an embodiment of the present invention, and FIG. 2 is a sectional view taken along line AA of FIG.

In FIG. 1, a lid 2 is attached to one end of a main body 1 of the housing.
Are openably and closably connected via hinges (not shown), and the lid 2 covers an opening of the main body 1. At the opening end of the main body 1, a seal member 3 that is in contact with the lid 2 and controls the inside of the main body 1 is arranged.

At a predetermined position of the main body 1, a base member 4 is provided. The base member 4 is formed separately from the main body 1 in this embodiment, and includes a base 5 attached to the main body 1 and a column 6 rising from the base 5, and the base 5 is attached to the main body 1. Thereby, it is attached to the main body 1.

The column 6 of the base member 4 has a pivot 7
, One end of a screw receiving arm 8 is rotatably mounted, and an open / close screw 9 is screwed to the other end of the screw receiving arm 8.

A hook member 12 is provided at a predetermined position of the lid 2. The hook member 12 is formed integrally with the lid 2 in this embodiment. The hook member 1
2, a downwardly extending upright tongue piece 13 is formed in FIG. The hook member 12 is formed with a slit 14 having an open end, and the slit 14 has a width dimension such that the shaft 9a of the opening / closing screw 9 passes and the head 9b does not pass.

According to such a configuration, in order to fix the main body 1 and the lid 2 by the lid stopper, first, the opening / closing screw 9 screwed to the screw receiving arm 8 is loosened by a predetermined amount. The receiving arm 8 is rotated clockwise from the position shown by the two-dot chain line in FIG. 2, and the shaft 9 a of the opening / closing screw 9 is inserted into the slit 14 from the open end of the slit 14 and positioned in the slit 14. . In this state, the hook member 1 is located between the screw receiving arm 8 and the head 9b of the opening / closing screw 9.
2 is arranged.

Next, a state in which the shaft 9a of the opening / closing screw 9 is located in the slit 14, that is, a state in which the hook member 12 is disposed between the screw receiving arm 8 and the head 9b of the opening / closing screw 9. Then, the hook member 12 is tightened and fixed to the screw receiving arm 8 by tightening the opening / closing screw 9. Thus, the main body 1 and the lid 2 are fixed by the lid stopper (see FIG. 2).

When the lid 2 is to be opened from the state where the main body 1 and the lid 2 are fixed by the lid stopper, the opening / closing screw 9 is loosened and the shaft 9a of the opening / closing screw 9 is slit.
An operation to separate from inside 4 is required. That is, the lid 2 cannot be opened unless the opening / closing screw 9 is loosened. Therefore, opening of the lid 2 can be prevented without using a special lock. In particular, by setting the shape of the head 9b of the opening / closing screw 9 to a special shape, opening of the lid 2 can be easily prevented.

Since a downwardly extending tongue piece 13 is formed at the tip of the hook member 12 in FIG.
Unless the opening / closing screw 9 is loosened so that the dimension between the screw receiving arm 8 and the head 9b of the opening / closing screw is equal to or greater than the height of the upright tongue 13, the upright tongue 13 rotates the screw receiving arm 8. Thus, the lid 2 is prevented from being opened. For this reason, the lid 2 is as if it were locked, and opening of the lid 2 due to mischief or the like is advantageously prevented.

Therefore, a lid closing device for a housing can be obtained with a simple configuration, which can reduce the manufacturing cost and can prevent the lid 2 from being opened without using a special lock.

The base member 4 and the hook member 12
By managing the disposition position of the seal member 3, the amount of crushing of the seal member 3 can be controlled to a predetermined value.
Thus, high reliability can be obtained over a long period of time for sealing the inside of the main body 1.

FIGS. 3 and 4 show another embodiment of the present invention. This embodiment is different from the above embodiment in that the base member 4 and the hook member 12 are attached to the main body 1 and the lid 2. It is mounted with mounting screws 17 and 18, and the mounting screws 17 and 18 are arranged on the back side of the screw receiving arm 8.

That is, the base member 4 is formed separately from the main body 1, and is attached to the main body 1 by attaching the base 5 to the main body 1 with the attachment screws 17.
The mounting screw 17 is arranged on the back side of the screw receiving arm 8 in a state where the hook member 12 is fastened and fixed to the screw receiving arm 8.

The hook member 12 is formed separately from the lid 2 and has a base 19, which is attached to the lid 2 by attaching the base 19 to the lid 2 with mounting screws 18. . The mounting screw 18 is arranged on the back side of the screw receiving arm 8 in a state where the hook member 12 is fastened and fixed to the screw receiving arm 8.

A backing plate 20 for reinforcement is provided on the inner surface side of the main body 1 where the base 5 of the base member 4 is mounted by the mounting screw 17, and the base of the hook member 12 is similarly mounted by the mounting screw 18. A cover plate 21 for reinforcement is provided on the inner surface side of the lid 2 to which the cover 19 is attached.

Since other configurations are the same as those of the above-described embodiment, the same components are denoted by the same reference numerals, and redundant description will be omitted.

According to such a configuration, in addition to obtaining the same operation and effect as described in the above embodiment, the base member 4 and the hook member 12 are attached to the corresponding main body 1 and lid 2 of the housing. Since it is mounted with the mounting screws 17 and 18, it is possible to easily provide the lid stopper on the existing housing. The mounting screws 17 and 18 are
Since the hook member 12 is disposed on the back side of the screw receiving arm 8 in a state where the hook member 12 is tightened and fixed to the screw receiving arm 8, the mounting screw 17 is fixed when the main body 1 and the lid 2 are fixed by the lid stopper. , 18 cannot be removed, and the fixing reliability is ensured.

Although the embodiment has been described with reference to the drawings, the specific configuration is not limited to this embodiment and can be changed without departing from the spirit of the invention.
For example, the tongue piece 1 provided at the tip of the hook member 12
Although the embodiment shown in FIG. 2 has been described with reference to FIG. 2, it may be formed in the opposite direction. In this case, the rotation of the screw receiving arm 8 is prevented by the head 9b of the opening / closing screw 9 coming into contact with the upstanding tongue.

[0034]

As described in detail above, according to the present invention, the manufacturing cost can be reduced with a simple structure, and the opening of the lid can be prevented without using a special lock. Is obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view of a housing lid stopper device showing an embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG. 1;

FIG. 3 is a perspective view of a housing lid stopper according to another embodiment of the present invention.

FIG. 4 is a sectional view similar to FIG. 2;

FIG. 5 is a drawing showing a conventional lid stopper device in a side view (1) and a plan view (2) showing a part of a lever cut away.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Lid 4 Base member 8 Screw receiving arm 9 Opening / closing screw 12 Hook member 14 Slit

Claims (2)

[Claims] A base member is provided on one of a main body and a lid of a housing, and one end of a screw receiving arm to which an opening / closing screw is screwed is rotatably attached to the base member, One of the main body and the lid is provided with a hook member having a slit whose one end is opened. By rotating the screw receiving arm, the shaft portion of the opening / closing screw screwed to the screw receiving arm is inserted into the slit. Wherein the hook member is fastened and fixed to the screw receiving arm by the opening / closing screw. 2. The apparatus according to claim 1, wherein the base member and the hook member are attached to a main body and a lid of a corresponding housing with a mounting screw, and the mounting screw is mounted in a state in which the hook member is fixedly fastened to a screw receiving arm. 2. The device according to claim 1, wherein the device is disposed on the back side of the screw receiving arm.