JPH085262Y2 - Case door - Google Patents

Description

[Detailed Description of the Invention] [Industrial application] The present invention relates to a door of a housing, and in particular, a hinge is not used and a part of the housing is used as an axis and a part of the door is rotated along the axis. The present invention relates to a housing door having a lock mechanism when the door is closed.

[Prior Art] In audio equipment, communication equipment, and the like, adjustment knobs and the like that are rarely used are housed and protected in the door of the equipment housing. The door of this housing generally has a structure as shown in FIGS. 10 and 11. That is, the leaf 81 of the hinge 8 is fixed by screws 9 to the corresponding sides of the housing 1'which forms the frame of the window 12 'in which the adjusting knobs and the like are housed, and the door 2', respectively. A continuous pin receiver 82 is pivotally attached to the pin 80, and the door 2'is attached to the housing 1'openably and closably about the pin 80 as an axis. When you close the door,
As shown in FIG. 12, a hole 13 formed in the housing 1 '
The protrusion 22 provided inside the door 2 is inserted into the. With this lock mechanism, the door cannot be opened unless a force against the resin elasticity of the projection 22 is applied, such as pulling a handle (not shown) of the door 2.

[Problems to be solved by the invention] By the way, since the door of the conventional housing uses the hinge 8, it does not become a half-opened state as it is, and it cannot be made a half-opened state without adding another component. It was possible.
Further, the pin 80, which is the rotating shaft of the hinge 8, the pin receiver 82 and the screw 9 pivotally attached to the pin 80 are exposed on the surface of the housing, which is a design defect. In addition, the housing 1'has a locking hole
13 is provided and a protrusion 22 is provided inside the door 2 so as to be fitted into the lock hole 13, which is a drawback in terms of space and appearance. The hinge 8 and the lock mechanism have a large number of parts in manufacturing, and it has been desired to improve the parts management and assembling workability.

[Purpose of Invention] The present invention was made to solve the above-mentioned problems.
An object of the present invention is to provide a housing door that enables a half-opened state, has a locking mechanism when the door is closed, improves the component management and assembly workability, and solves design defects.

[Means for Solving the Problems] In order to achieve the above-mentioned object, a door of a housing according to the present invention has a shaft parallel to one side of the window and a groove with respect to the shaft on the back surface of the constituent member of the housing having the window. A shaft guide is provided at a distance from the door, and a claw portion having a curved portion that is fitted into the groove is provided on the back surface of the door that is closed by closing the window and can be opened and closed. An inner protrusion that is stopped, and an inner claw that has an inner claw protrusion that is provided on the outside of the middle of the curved portion and that is locked to the housing;
Side claws spaced from the middle claw are provided on both sides of the middle claw, and the side claw has a structure having side claw projections projecting on the opposite side of the middle claw and locked to the groove ends of the grooves.

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

In audio equipment, communication equipment, etc., adjustment knobs that are used less frequently are stored and protected in the door of the equipment housing.
The door of the housing according to the present invention, which covers the adjusting knobs and the like, is configured as follows.

As shown in FIG. 1, two shafts 3 corresponding to the rotating shafts of the hinges are provided on the rear surface of the component members of the housing 1, and the door 2
Two claws 7 having a curved portion C (FIG. 3) corresponding to a leaf of a hinge and a pin receiver are provided on the back surface of the, and the claw portion 7 having the curved portion is fitted into the groove 5 of the housing 1. Has been inserted.

As shown in FIG. 2, the housing 1 is provided with a window 12 at a position where the adjustment knobs and the like of the equipment are stored and protected.
A door receiver 11 into which the door 2 is fitted is larger than the window 12 by engraving on the surface of the component member of the housing 1. This door receiver 11
Side X'corresponding to side XY which is the opening / closing center of door 2
In Y ', two grooves 5 are provided by cutting the constituent members. The shaft guide 4 is provided on the rear surface of the door receiver 11 so as to sandwich the groove 5.
However, the shaft 3 is integrally formed with the housing 1 on the opposite side. The shaft guide 4 has a quarter circle shape surrounding the trapezoidal mold of the shaft 3.

As shown in FIG. 3, the back surface of the XY side, which is the opening / closing center of the door 2, has a curved portion C that is fitted into the groove 5 described above.
The individual claw portion 7 is formed integrally with the door 2 by providing an inner protrusion 75 for locking.

As described above, the claw portion 7 is a claw receiver 6 (eighth portion) which is a gap between the shaft 3 and the shaft guide 4 which are integrally molded with the housing 1.
It has a curved shape so that it can be inserted into. For more information,
As shown in FIG. 4, the claw portion 7 includes one middle claw 72,
The two side claws 71 are integrated at the base and are separated at the ends. Further, the inner projections 75 are provided inside the curved portions of the two side claws 71, and as shown in FIGS. 5 and 6, the middle nail projections 74 are formed in the middle of the curved portions of the middle nail 72. Is provided (FIG. 6 as seen from the direction B in FIG. 4), and two side claws 71 are provided.
The side claw projections 73 are provided at the ends of each side in the direction opposite to the middle claw 72 (see FIG. 4 viewed from the direction A).

The width of the tip claw portion 7 including the two left and right side claw protrusions 73 is wider than the width of the groove 5, and the left and right side claws 71 and the middle claw 72 are also included.
The width of the claw portion 7 can be fitted into the groove 5 by narrowing the separation portion so as to approach the groove.

In the above embodiment, the inner protrusion 75 is provided on the side claw 71,
Needless to say, it is also suitable to be provided on the middle claw 72.

It is desirable that the housing 1 and the door 2 having the above-described structures be molded of resin, but it goes without saying that a metal material is also suitable if the shape and material are selected.

[Operation of the Invention] The operation of the door of the housing according to the present invention configured as described above will be described below.

First, in order to attach the door 2 to the housing 1, the claw portion 7 of the door 2 inserts the left and right side claws 71 into the middle claw 72 from the surface of the housing 1 to the groove 5.
It is inserted so that it approaches the direction. The claw portion 7 of the door 2 can be easily fitted into the groove 5 by pushing in a little against the elasticity of the resin or metal material.

As shown in FIG. 7, since the door receiver 11 into which the door 2 is fitted is engraved on the surface of the constituent members of the housing 1,
When the door 2 is closed, the door 2 is fitted into the door receiver 11, and the surface of the door 2 forms the same plane as the surface of the housing 1.

Next, when the door 2 is opened halfway, as shown in FIG. 8, the middle claw protrusion 74 provided in the middle of the curved portion of the middle claw 72 is located on one side of the door receiver 11 of the housing 1. It is locked to the side X'Y '(Fig. 1) corresponding to the side XY which is the opening and closing center of the door 2,
The door 2 does not close by itself and maintains an open state.

When the door 2 is in the fully opened state, as shown in FIG. 9, the claw-side door end portion 21 serving as the opening / closing center of the door 2 is abutted on the surface member of the housing 1 and the end of the side claw 71. The two side claw projections 73 provided on the section are provided at both groove ends 51 of the groove 5 (FIG. 2).
There is no risk that the door 2 will come off.

When closing the door 2, the middle claw projection 74 shown in FIG.
The door 2 can be easily closed by slightly pushing it in using the elasticity of the resin so as to enter the claw receiver 6 which is a gap between the shaft 3 and the shaft guide 4 of the housing 1.

Further, as shown in FIG. 7, as a locking mechanism when the door is closed, two inner protrusions 75 provided inside the curved portion of the side claw 71 are locked to the shaft 3 of the housing 1. Therefore, the door cannot be opened unless a force against the resin elasticity of the lock mechanism is applied, such as pulling a handle (not shown) of the door 2.

[Effects of the Invention] As is clear from the above embodiments, the door of the housing according to the present invention has an axis parallel to one side of the window and a groove with respect to the axis on the back surface of the structural member of the housing having the window. With an axis guide,
On the back side of the door that closes the window and is openably and closably attached, a claw portion having a curved portion that is fitted into the groove is provided. The claw portion is an inner protrusion that is provided inside the curved portion and is locked to the shaft, and the curved portion. A middle claw having a middle claw projection provided on the outside of the middle part and locked to the housing, and a side claw spaced apart from the middle claw on both sides of the middle claw,
The side claws have a structure with side claw projections that project from the side opposite to the middle claws and are locked to the groove ends of the groove, so that the door can be opened halfway and a lock mechanism is provided when the door is closed. In addition, separate parts for opening and closing the door such as hinges and holes and protrusions as a locking mechanism are not required, the workability of parts management and assembly is improved, and the door of the housing is provided at low cost. There is an advantage that the above is also good.

[Brief description of drawings]

FIG. 1 is a view for explaining an embodiment of a housing door according to the present invention from the back side, FIG. 2 is a drawing for explaining the housing side, FIG. 3 is a drawing for explaining the door, and FIGS. FIG. 6 is a diagram for explaining the details of the door, FIGS. 7 to 9 are diagrams for explaining the action of the door of the housing according to the present invention, and FIGS. 10 and 11 are for explaining the door of the conventional housing. FIG. 12 and FIG. 12 are views for explaining a conventional locking mechanism for a housing. 1 ... Housing 11 ... Door support 12 ... Window 2 ... Door 3 ... Shaft 4 ... Shaft guide 5 ... Groove 51 ... Groove edge 7 ... Claw 71 ... Side claw 72 ... Middle claw 73 …… Side claw protrusion 74 …… Middle claw protrusion 75 …… Inner protrusion C …… Curved part

Claims (1)

[Scope of utility model registration request] 1. A shaft guide (4) on a rear surface of a component of a casing (1) having a window (12), with an axis (3) parallel to one side of the window and a groove (5) with respect to the axis. And a claw portion (7) having a curved portion (C) fitted into the groove is provided on the back surface of the door (2) which is closed and closed to open and close the window, and the claw portion is the curved portion. An inner protrusion (75) that is provided on the inner side of and is locked to the shaft, and an inner claw (72) that has an inner claw protrusion (74) that is provided on the middle outer side of the curved portion and is locked to the housing. A side claw (71) spaced apart from the middle claw on both sides of the middle claw, the side claw protruding from the side opposite to the middle claw and engaging with a groove end (51) of the groove. A door of a housing, which has a side claw projection (73) to be stopped.