JPH11307951A - Apparatus cabinet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an apparatus cabinet that secures shield property against electromagnetic waves, does not waste setting space, and has a lid that can be readily removed. SOLUTION: A pair of axial members 24 that share an axis and extend horizontally are provided at the lower parts on both sides of a lid 20 while a pair of bearing members 13 having bearing grooves 14 that open at an upward and outward incline are provided at the lower parts on both sides of the opening 11 of the main body cabinet 10. When the lid 20 is moved upward and outward, the axial members 24 are separated from the bearing grooves 14 of bearing members 13. A pair of claw members 22 whose ends are bent downward are provided at the upper parts on both sides of the lid 20. A pair of locking members 12 opening upward are provided in the moving area where the ends of the claw members 22 move in the main body cabinet 10 when the lid 20 is opened or closed so that the claw members 22 are separated from the locking members 12 when the lid 20 is moved upward.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a main body housing having an opening, and detachably disposed in the main body housing so as to close the opening. The present invention relates to an improvement of a device housing including a lid which is removed from the main body housing when performing access.

[0002]

2. Description of the Related Art For example, in electronic equipment such as communication equipment, a large number of equipment housings are arranged vertically, horizontally and horizontally inside a shelf called a frame, and an electronic circuit is formed inside each equipment housing. There is a configuration in which a desired function is achieved by accommodating a plurality of wiring boards.

According to an electronic apparatus to which such a configuration is applied, if the number of wiring boards housed in each equipment housing and the number of equipment housings arranged on a rack are appropriately increased or decreased, the same type of wiring boards can be obtained. And its function can be expanded and contracted as appropriate by applying the equipment housing, so that, for example, it is possible to easily and quickly respond to the increase or decrease in the number of service lines. In addition, it is possible to expect effects such as that it can be constructed at low cost.

[0004] In this type of electronic equipment, usually, a main body housing having an opening for allowing a wiring board to enter and exit on one side surface, and a lid screwed to the main body housing with the opening closed. A device housing is provided, and the wiring board is moved in and out of the main body housing with the lid removed from the main body housing.

[0005]

By the way, in the above-mentioned equipment housing, when all the screws are loosened in order to put the wiring board in and out, the lid falls off from the main body housing, and the lid comes off. Since there is a risk of deformation or damage, it is necessary to hold down the lid during the work of loosening the screws, which makes the work of moving in and out of the wiring board complicated.

For this reason, conventionally, as shown in FIG. 4, the main body housing 1 and the lid 2 are connected to each other via the insertion / removal butterfly plate 3 to allow the wiring board (not shown) to enter and exit. The cover 2 is prevented from falling.

However, as described above, in the case of the device housing in which the main body housing 1 and the lid 2 are connected to each other via the insertion / removal butterfly plate 3, after the lid 2 is opened with respect to the main body housing 1,
As shown in FIG. 5, since the lid 2 must be moved along the axial direction (left and right direction in FIG. 5) of the insertion and removal butterfly plate 3 as it is, the lid 2 is moved around the same in the axial direction. It is necessary to secure a moving space.

Here, as described above, in an electronic device to which this type of device housing is applied, since the device housing is often arranged up, down, left, and right, when a moving space is secured around the device housing. In addition, the occupation ratio of the device housing to the installation space is significantly reduced, and it is difficult to effectively use the installation space.

Further, in the main body casing 1, it is necessary to provide a notch 4 for moving the insertion / removal butterfly plate 3 in the axial direction, and the notch 4 is opened even when the lid 2 is attached. Therefore, it is extremely disadvantageous in terms of shielding properties against electromagnetic waves.

SUMMARY OF THE INVENTION In view of the above circumstances, the present invention provides an equipment housing capable of securing the shielding property against electromagnetic waves and easily attaching / detaching the lid to / from the main body housing without wasting installation space. The task is to provide the body.

[0011]

According to the present invention, there is provided a main body housing having an opening, and detachably disposed in the main body housing so as to close the opening. In a device housing including a lid that is removed from the main body housing when a component is inserted and removed, a shaft member disposed on one of the main body housing and the lid body, and the main body housing and A bearing member disposed on one of the other sides of the lid, and when the shaft member and the bearing member are engaged with each other, the lid is rotatably supported around the axis of the shaft member. Thereby, while the lid is opened and closed with respect to the opening of the device housing, the lid is opened from the opening along a direction orthogonal to the axis of the shaft member with the lid opened. The shaft member and the shaft when moved apart. Rotation support means for releasing an engagement state with a member, a claw member provided on one of the main body housing and the lid, and provided on one of the other of the main body housing and the lid Comprising a locking member,
When the claw member and the locking member are engaged with each other, the opening angle of the lid with respect to the opening is regulated, and the opening of the lid along a direction perpendicular to the axis of the shaft member is removed from the opening. Rotation restricting means for allowing the separation movement of the shaft member and disengaging the claw member and the locking member when the lid is moved along a direction perpendicular to the axis of the shaft member. And is provided.

Here, the rotation supporting means includes a pair of shaft members disposed at lower portions on both sides of the lid so that their axes coincide with each other and extend in the horizontal direction. And a pair of bearing members disposed at lower portions on both sides of the opening in the main body housing, and the cover body is moved outward in the upward direction. In this case, the shaft member is separated from the bearing member, and the rotation restricting means is disposed at an upper portion on both sides of the lid, and each tip portion is bent downward. A pair of claw members, and a pair of locking members disposed in a tip end moving area of the claw member in accordance with opening and closing movement of the lid in the main body housing, and opening upward. When the lid is moved upward, the claw members respectively Can be applied shall be separated from Kigakaritome member.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings showing one embodiment. FIG. 1 to FIG. 3 show an embodiment of a device housing according to the present invention.
A large number of device housings exemplified here are arranged vertically, horizontally, and horizontally inside a shelf called a rack, and furthermore, a plurality of wiring boards constituting an electronic circuit are accommodated in each of the housings, so that electronic devices such as communication devices are accommodated. It is for constituting a device, and includes a main body housing 10 and a lid 20.

The main body housing 10 is formed in a rectangular box shape having an opening 11 on the front surface, and has locking members 12 at upper portions on both sides of the opening 11, respectively. Bearing members 13 are provided at lower portions on both sides of the opening 11, respectively.

The locking member 12 is formed by bending the tongues projecting from the front surface of the main body casing 10 at right angles inward toward each other, and has a rectangular shape along the opening 11 of the main casing 10. It has a flat plate shape, and each upper edge 12a,
Both the inner edge 12b and the lower edge 12c are open.

The bearing member 13 is formed by forming a U-shaped bearing groove (bearing portion) 14 in a plate-like member.
The main body housing 1 with the bearing grooves 14 facing each other.
0 is attached to the inside surface.

Reference numeral 15 in the drawing denotes a screw hole provided on both side walls of the main body housing 10. Reference numeral 16 denotes a notch 16 provided in a step portion 17 that overlaps with the lid 20 when the lid 20 is attached to the main body housing 10.

On the other hand, the lid 20 has a
It has an opening 21 of a size corresponding to the opening 11 of 0, has claw members 22 on both sides of the upper edge thereof, and has shaft brackets 23 on both sides of the inner surface of the front wall.

The claw member 22 is formed by first bending a tongue protruding from the upper edge of the lid 20 downward at a right angle, then bending it rearward at a right angle, and further lowering the tip of each tongue. It is constructed by bending at a right angle toward
It is provided at a position corresponding to the locking member 12 of the main body housing 10 described above.

The shaft bracket 23 has an L-shaped top view having a mounting portion 23a extending along the front wall of the main body housing 10 and a shaft holding portion 23b extending rearward from the mounting portion 23a. A shaft member 24 extending in the horizontal direction at a position corresponding to the bearing groove 14 of the bearing member 13 on the outer surface of the shaft holding portion 23b and holding the shaft members 24 whose axes coincide with each other. I have.

Reference numeral 25 in FIG. 2 denotes an elongated screw hole formed in a portion of the side wall of the lid 20 corresponding to the screw hole 15. Reference numeral 26 in the figure denotes the lid 20.
Extending rearward from the lower edge of the main body housing 1
The tongue overlaps with the bottom wall of the main body casing 10 when attached to zero.

In the device housing constructed as described above, a plurality of wiring boards (not shown) each constituting an electronic circuit are accommodated in the main body housing 10 through the opening 11, respectively. As shown in (c), the lower ends of the pair of claw members 22 are respectively connected to the upper edges 12a of the locking members 12 of the main body housing 10.
2 and by rotating the lid 20 away from this state about the point of engagement between the claw member 22 and the locking member 12 as shown by the arrow C in FIG.
As shown in (b), when the pair of shaft members 24 held by the shaft bracket 23 of the lid 20 are respectively housed in the bearing grooves 14 provided in the bearing member 13 of the main body housing 10, the lid 20 Is locked to the main body housing 10 without falling off.

In the state shown in FIG. 2B, the lid 20 opens and closes about the axis of the shaft member 24 with respect to the opening 11 of the main body housing 10 as indicated by an arrow B in the figure. When the claw member 22 of the lid 20 is engaged with the locking member 12 of the main body housing 10, the rotation angle of the lid 20 is regulated.

From the above-mentioned state, the cover 20 is rotated around the axis of the shaft member 24 in a direction approaching the main body housing 10, and further, the main body housing is rotated through the screw insertion slot 25 of the cover 20. If the screw 30 is screwed into the screw hole 15 of FIG.
As shown in (a), the lid 20 is attached to the main body housing 10.

In the state shown in FIG. 2A, the upper wall and both side walls of the lid 20 are respectively overlapped with the outer surface of the step portion 17 and the outer surface of both side walls of the upper wall of the main body housing 10. In addition, the bottom wall of the lid 20 is overlapped with the inner surface of the bottom wall of the main body housing 10 via the tongue 26, and the notch 16 provided in the step 17 of the main body housing 10 The opening 11 of the main body housing 10 is completely closed by the lid 20.

Therefore, according to the above-mentioned device housing, it is possible to sufficiently secure the electromagnetic circuit of the electronic circuit formed on the wiring board (not shown).

On the other hand, when the cover 20 is removed from the above-described state so that the wiring board (not shown) can be inserted into and removed from the main body housing 10, first, the screw 30 screwed into the screw hole 15 is used. Are all relaxed, the lid 20 is rotated about the axis of the shaft member 24 in a direction away from the opening 11 of the main body housing 10, and as shown in FIG. Is held in a state of being engaged with the locking member 12.

Thereafter, by rotating the lid 20 about the point of engagement between the claw member 22 and the locking member 12 from the above-described state, as shown in FIG. After the pair of shaft members 24 held by 23 are separated from the bearing grooves 14 provided in the bearing member 13 of the main body housing 10, and further, the lid 20 is slightly moved upward with respect to the main body housing 10. The lid 20 can be removed from the main body housing 10 by pulling it out toward the user.

According to the above-mentioned equipment housing, it is not necessary to hold down the lid 20 when fastening and loosening the screw 30 during the attaching / detaching operation of the lid 20 to / from the main body housing 10 described above. It can be done easily.

Moreover, since the attachment / detachment work of the lid 20 is performed at a position separated from the main body housing 10,
There is no need to secure a moving space for attaching and detaching the lid 20 around the periphery, and when a large number of equipment housings are arranged vertically, horizontally, and horizontally with respect to the frame, the occupation ratio to the installation space is increased, and The space can be effectively used.

In the above-described embodiment, the lid 20
The tongue 26 provided on the lower edge of the main body casing 10 has a structure sufficiently protruding from the rotation center of the lid 20.
When the lid 20 is attached to and detached from the main body 10, the lid 20 is rotated as indicated by an arrow C about the engagement point between the claw member 22 and the locking member 12, but the bottom wall of the main body housing 10 is extended. On the other hand, if the protruding length of the tongue portion 26 is reduced, the state shown in FIG. 2B is achieved without rotating the lid 20 around the point of engagement between the claw member 22 and the locking member 12. By moving the lid 20 up and down along the direction in which it extends as shown by the arrow C 'in the figure,
The attachment / detachment of the lid 20 to / from the cover 0 can be performed.

In the above-described embodiment, the lid 20
Is provided with the shaft member 24, while the main body housing 10 is provided with the bearing member 1.
3, the rotation supporting means is configured. However, in the reverse mode, that is, while the bearing member is provided on the lid body, the rotation supporting means is configured by providing the shaft member on the main body housing. It does not matter. Similarly, in the above-described embodiment, while the claw member 22 is provided on the lid body 20 and the locking member 12 is provided on the main body housing 10, the rotation restricting means is configured. That is, while the claw member protrudes from the main body housing side, the rotation restricting means may be configured by providing a locking member on the lid body.

Further, in the above-described embodiment, the rotation supporting means is provided between the lower part of the main body housing 10 and the lid 20,
Although the upper end of the lid 20 is configured to open and close with respect to the main body housing 10, the present invention is not limited to this, and the left and right ends or the lower end can be opened and closed with respect to the main body housing 10. It is also possible to provide rotation support means.

In the above-described embodiment, the rotation support means is provided between the main housing 10 and the lid 20 through the opening 1.
1, while the rotation restricting means is provided at the other end of the opening 11,
These rotation supporting means and rotation restricting means may be provided at any positions. Further, each element of the rotation supporting means and the rotation regulating means is provided in a pair, but it is not always necessary to provide a pair.

[0035]

As described above, according to the present invention,
By the action of the rotation supporting means and the rotation restricting means, it is possible to perform the attaching / detaching operation of the lid at a position separated from the main body housing, so it is necessary to secure a moving space around the periphery for attaching / detaching the lid. Therefore, the installation space can be effectively used.

Moreover, since it is not necessary to hold down the lid when fastening and loosening the screw, the work can be performed extremely easily.

Further, there is no need to provide a notch that is always open in the main body case, which is advantageous in terms of shielding against electromagnetic waves.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a device housing according to the present invention.

FIG. 2 is a cross-sectional side view showing an attaching / detaching operation of a lid in the device housing shown in FIG.

FIG. 3 is a sectional view taken along line III-III in FIG.

FIG. 4 is a cross-sectional side view showing a conventional device housing.

FIG. 5 is an exploded perspective view showing an attaching / detaching operation of a lid in the device housing shown in FIG. 4;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... body housing, 11 ... opening, 12 ... locking member, 13 ...
Bearing member, 14: bearing groove, 20: lid, 22: claw member,
24 ... Shaft member.

Claims (2)

[Claims] A main body housing having an opening, the main body housing being removably disposed in a manner to close the opening, and a component being inserted into and taken out of the main body housing through the opening. A device housing having a lid removed from the main body housing, a shaft member disposed on one of the main body housing and the lid body, and a shaft member disposed on one of the main body housing and the lid body. When the shaft member and the bearing member are engaged with each other, the lid body is rotatably supported around the axis of the shaft member, whereby the shaft member and the bearing member are engaged with each other.
While the lid is opened and closed with respect to the opening of the device housing, the lid is separated from the opening along a direction orthogonal to the axis of the shaft member in a state where the lid is opened. Rotating support means for releasing the engagement state between the shaft member and the bearing member in the event that the shaft member and the bearing member are released; a claw member disposed on one of the main body housing and the lid; A locking member disposed on one of the other sides of the lid, and restricting an opening angle of the lid with respect to the opening when the claw members and the locking members are engaged with each other; Allowing the lid to move away from the opening along a direction perpendicular to the axis of the shaft member, and further moving the lid along a direction perpendicular to the axis of the shaft member. A time when the engagement state between the claw member and the locking member is released. A device housing comprising: a rotation control means. 2. A pair of shaft members disposed at lower portions on both sides of the lid so that the rotation support means are aligned with each other and extend in the horizontal direction. And a pair of bearing members disposed on both lower sides of the opening in the main body housing, and the lid body is moved upward and outward. The shaft member is separated from the bearing member, and the rotation restricting means is disposed on the upper side on both sides of the lid, and a pair of claws each having a distal end bent downward. And a pair of locking members disposed in a tip end moving area of the claw member in accordance with the opening and closing movement of the lid in the main body housing, and opening upward. The claw members are separated from the locking members when moved toward Equipment cabinet according to claim 1, characterized in that to be.