JP2002042755A - Fixing structure of cover body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent opening of a cover body in simple structure. SOLUTION: A key type fixture 4 is mounted free to revolve against a case main body 2 on the other end side of the cover body 1 and a projected body 8 to regulate revolution of the cover body 1 by making contact with the case main body 2 is installed on the fixture 4 free to connect and disconnect so as to maintain a state where the cover body 1 floats from the case main body and faces against the fixture 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for fixing a lid, which can be opened and closed by a butterfly plate, to a case body, and more particularly to a structure for preventing the lid from opening.

[0002]

2. Description of the Related Art For example, in a small device using a battery as a power source, a battery is housed in a housing room which can be sealed with a lid which can be opened and closed so that the battery can be replaced. However, when the apparatus main body falls, the lid is opened by the impact and the battery jumps out of the housing chamber. When the battery comes into contact with the conductor, a short circuit causes a spark discharge to be a fire source.

[0003]

In order to solve such a problem, it is conceivable to fix the lid to the main body with screws. However, since tools and coins are required for attachment and detachment, the operation is troublesome. There's a problem. The present invention has been made in view of such a problem, and an object of the present invention is to provide a lid that can be opened and closed without the need for tools and the like, and that can reliably prevent a stored object from jumping out. The purpose is to provide a fixing structure for the body.

[0004]

According to the present invention, there is provided a lid fixing structure in which one end is rotatably attached to a case body. A key-shaped fixing member is rotatably attached to the case main body, and the lid is lifted from the case main body, and the rotation of the lid body is adjusted so as to maintain a state facing the fixing member. A protrusion that contacts and regulates the main body is detachably attached to the fixture.

[0005]

The rotation of the lid is prevented by the projection until the lid is fully opened, and the projection is pulled out to eliminate the limitation of the rotation angle of the lid.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a first embodiment of the present invention. FIG. 1A shows an embodiment of a case to which the lid fixing structure of the present invention is applied. One end of the lid 1 is rotatably attached to a case body 2 by a hinge 3. The end is fixed to the case body 2 by the fixture 4 of the present invention.

The fixture 4 is formed to have a hook-shaped cross section so as to have a main body 5 parallel to the side wall 2a of the case main body 2 and an overhang 6 parallel to the lid 1, and has one end of the main body. Both sides are rotatably attached to the case main body 2 by hinges 7 (FIG. 2), and are configured so that the key portion 6a at the tip of the overhang portion 6 and the concave portion 1a of the lid 1 are engaged.

As shown in FIG. 1B, a projecting member 8 which can be inserted and withdrawn is attached to the lower end of the main body 5, and the projecting member 8 and the side wall 2a of the case main body 2, more specifically, the side wall 2a. It is configured to come into contact with the projecting surface 2b that projects substantially vertically and restrict the rotation angle of the fixture 4.

In this embodiment, with the lid 1 closed, the lid 1 is fixed by the fixture 4 and the projection 8 is inserted. In this state, as shown in FIG.
Is not expanded beyond the state where the key portion 6a of the fixing tool 4 is engaged with the concave portion 1a, and is not released by an impact.

On the other hand, a large force acts on the lid 1 due to an impact or the like, so that the fixing tool 4 cannot fully resist the rotation of the lid 1 and the lock between the key portion 6a and the concave portion 1a is released, and FIG. As shown in ()), when the projection 8 is rotated outward, the protrusion 8 is moved to the side wall 2a of the case body 2.
Hit. Thereby, the rotation angle of the fixture 4 is limited, and the state in which the tip of the overhang portion 6 faces the lid 1 is maintained,
This prevents the lid 1 from being opened.

When the lid 1 is opened in order to correct the disturbance of the contents caused by the impact, the lid 1 can be opened by pulling out the projection 8 and rotating the fixture 4 to the maximum. . In a state where the arrangement of the stored items is completed and the lid 1 is closed, the fixing tool 4 is rotated toward the lid 1 to engage the key portion 6a with the concave portion 1a, and finally, the projection 8 is mounted.

FIG. 3 shows another embodiment of the fixing device. In this embodiment, the projection 10 is formed in a rectangular parallelepiped shape, and a projection 11 and a claw 12 are formed on both sides thereof. In addition, a concave portion 13 and a key portion 14 are formed in the main body 5 of the fixture 4 so as to engage with them. This allows
The protrusion 11 and the claw 12 of the protrusion 10 are replaced with the recess 1 of the protrusion.
3. It can be attached to and detached from the key section 14.

In this embodiment, with the lid 1 closed, the lid 1 is fixed by the fixture 4 and the projection 10 is inserted. In this state, the lid 1 is
Since the key portion 6a of the fixing device 4 is not expanded beyond the state where the key portion 6a is engaged with the concave portion 1a, the key portion 6a is not opened even if it receives an impact.

Since the contact area with the case body 2 is large, it is possible to more reliably prevent the lid 1 from being opened due to an impact, and the protrusions 10 are located near both ends in the longitudinal direction of the fixture 4. Because of the engagement, the distance between the rotation axes due to the elastic deformation of the fixture 4 due to an external force such as an impact is prevented as much as possible, and the fixture 4 itself is prevented from being detached from the case body 2. ing. You.

In the above embodiment, the protrusion 1
0, a convex portion 11 is formed, and a concave portion 13 is formed on the fixture side.
Although a large rotation angle of the fixture 4 is secured,
When the lid can be opened, it is obvious that the same effect can be obtained even if a concave portion is formed on the protrusion 10 and a convex portion is formed on the fixture side so as to be detachable.

[0016]

As described above, in the present invention,
In the fixing structure of the lid body whose one end is rotatably attached to the case body, a key-shaped fixing tool is rotatably attached to the other end side of the lid body to the case body, and the lid body rises from the case body. In addition, since the protrusion that restricts the rotation of the lid in contact with the case body so as to maintain the state facing the fixture is detachably attached to the fixture, the projection is rotated until the lid is completely opened. The movement can be prevented by the projection and the lid can be opened by a simple operation of pulling out the projection without limiting the rotation angle of the lid.

[Brief description of the drawings]

FIGS. 1 (a) and 1 (b) are views showing an embodiment of a case using a fixing structure of the present invention, and an enlarged view of a fixture.

FIGS. 2A and 2B are diagrams showing a state in which the lid is normally sealed and a state in which the fixing structure is prevented from being opened by an impact, respectively.

FIGS. 3A and 3B are diagrams showing another embodiment of a case using the fixing structure of the present invention, and a fixture.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lid 1a Recess 2 Case main body 2a Side wall 2b Projection surface 3 Hinge 4 Fixture 5 Main part 6 Overhang 6a Key part 7 Hinge 8 Projection

Claims (3)

[Claims] 1. A fixing structure for a lid having one end rotatably attached to a case main body, wherein a key-shaped fixing tool is rotatably mounted on the case main body at the other end side of the lid. A protrusion that detachably attaches to the fixture so as to contact the case body and regulate the rotation of the lid so that the lid floats up from the case body and maintains a state facing the fixture. Lid fixing structure. 2. The fixing structure for a lid according to claim 1, wherein a projecting surface is formed on a case body near a pivot point of the fixing tool, and the projecting body contacts the projecting surface when rotation is prevented. 3. The projection body is formed in a substantially rectangular parallelepiped shape,
The fixing structure for a lid according to claim 1, wherein a convex portion for engagement is formed on a surface facing the fixing device, and a concave portion for engaging with the convex portion is formed on the fixing device.