JPH06326477A - Cabinet structure of electronic apparatus - Google Patents

Abstract

PURPOSE:To improve disassembling workability without deteriorating assembling workability, and remarkably reduce disassembling time, by boring a plurality of engaging holes and engaging segments capable of engaging with the engaging holes, on a base part and a packaging component to be fixed on the base part, respectively, and coupling the engaging segments to the engaging holes. CONSTITUTION:A plurality of engaging holes 10 and engaging segments 20 capable of engaging with the holes are installed on a base part 1 and a packaging component 2, respectively. By engaging the engaging segments 20 with the engaging holes 10, the packaging component 2 is fixed on the base part 1. The mutual fixing of packaging component 2 is also enabled. In the case of disassembling, the engagement of the engaging holes 10 and the engaging segments 20 can be easily released by using a standard tool or a hand method. Since the packaging component 2 are fixed on the base part 1 by engaging the engaging segments 20 with the engaging holes 10, the detaching is enabled as follows at the time of disassembling; the engaging segments 20 are deformed on account of elasticity of the segment or broken by using the standard tool or the hand method, and the engagement is released.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a housing structure for electronic equipment, and more particularly, to a base portion having rigidity for actually mounting electric parts such as a printed wiring board, a power supply, and a disk device, and a periphery of the base portion. The present invention relates to a case structure of an electronic device including an external part for mounting and protecting a base part, in which the assembling and disassembling of the external part is improved.

[0002]

2. Description of the Related Art In the structure of a conventional electronic device, only assembly workability has been considered, and disassembly workability has not been considered so much. As an example of this kind, Japanese Patent Laid-Open No. 4-5
There is one disclosed in Japanese Patent No. 6195.

[0003]

In the housing structure of the electronic device shown in the above-mentioned prior art, it is easy to attach the exterior parts and the like. However, in the above conventional technique,
There is not enough consideration for easily disassembling the exterior parts and the like, and there is a problem that it becomes a major obstacle when the exterior parts are used as recycled resources. The present invention has been made in view of the above circumstances, and an object thereof is to solve the problems as described above in the conventional technique, without impairing the assembly workability, and further by improving the disassembly workability, An object of the present invention is to provide a housing structure of an electronic device that can significantly reduce disassembly time.

[0004]

The above objects of the present invention are as follows:
A base having rigidity for actually mounting an electric component, and an exterior component attached around the base to protect the base, and a locking hole and a locking piece engageable with the locking hole, By providing a plurality of each of the base portion and the exterior component to be attached to the base portion, and by coupling the locking piece to the locking hole, at least attaching the exterior component to the base portion and deforming or destroying the locking piece. The housing structure of the electronic device is characterized in that the engagement between the engagement hole and the engagement piece is released, and the exterior component can be removed from the base portion.

[0005]

In the housing structure of the electronic device according to the present invention,
A plurality of locking holes and locking pieces that can be engaged with the locking holes are provided on the base portion and the exterior component, and the locking pieces are engaged with the locking holes to attach the base portion and the exterior component, and External parts can be attached to each other, and when disassembling, the engagement by these locking holes and locking pieces can be easily released, that is, can be released by standard tools or manual work. Is. Since the attachment of the base portion and the exterior component, or the attachment of the exterior components to each other, is performed by engaging with the engagement hole and the engagement piece, at the time of disassembly, use a standard tool or manual work to attach the engagement piece. By deforming the locking piece using elasticity or breaking the locking piece to disengage it, not only can the exterior component be attached, but it can be easily removed.

[0006]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is a perspective view showing an overall configuration of a housing structure of an electronic device according to an embodiment of the present invention. The housing structure shown in the present embodiment is a housing structure of an electronic device centered on a chassis 1 on which electric components such as a printed wiring board, a power supply, and a disk device are actually mounted.
It is a rectangular parallelepiped rectangular parallelepiped provided with a hole penetrating from the front surface to the rear surface for inserting / drawing out an electric component of a printed wiring board to be mounted. As will be described later, the chassis 1 is provided with a plurality of locking holes on its side surface, upper surface, and rear surface, respectively. Further, the chassis 1 has rigidity so that it is all right even when an external force is applied. A front cover 3, an upper cover 4, and a lower cover 2 which are exterior parts are attached to this, and the casing structure surrounds the entire surface of the chassis 1 except the rear surface. Next, the top cover 4, front cover 3, and bottom cover 2 for the chassis 1
Each of the attachment and the removal will be described in detail with reference to the drawings.

FIG. 2 is a diagram showing an example of a method of attaching the lower surface cover 2 to the chassis 1 in this embodiment. Positions where the lower surface cover 2 is locked with a plurality of (four in this case) locking holes 10 provided in the chassis 1 to fix the lower surface cover 2 on the chassis 1 and the locking pieces 20 for fixing the chassis 1 There are provided a positioning boss 21 for determining the position, and a locking hole 22 used when mounting the front cover 3 which is the next work. To attach the lower surface cover 2 to the chassis 1 according to this embodiment configured as described above,
Locking holes 1 provided on both sides of the chassis 1
0, the locking piece 20 provided on the lower surface cover 2 is locked and fixed using the elastic force. At this time, chassis 1
The positioning boss 21 of the lower cover 2 is fitted into the positioning hole 11 provided in the lower cover 2 to fix the position of the chassis 1 on the lower cover 2.

FIG. 3 is a diagram showing a configuration example of the front cover 3 in this embodiment. The front surface cover 3 has a lower surface cover locking hole 2 provided on the lower surface cover 2 described below.
2, a lower surface cover locking piece 31 for locking the front cover 3 to the chassis 1, a front cover locking piece 32 for mounting the front cover 3 to the chassis 1 above, and a top cover when mounting the upper surface cover 4 which is the next work. An upper cover warp prevention rib 33 is provided to fix the front part of the No. 4 and to prevent the warp. The front cover 3 according to the present embodiment configured as described above is mounted by locking the lower cover locking piece 31 below the front cover 3 into the lower cover locking hole 22 provided in the lower cover 2. Then, the front cover locking piece 32 above the front cover 3 is locked in the front cover locking hole 12 provided in front of the upper surface of the chassis 1 to fix the front cover 3.

FIG. 4 is a diagram showing an example of the structure of the top cover 2 in this embodiment. The top cover 4 has a top cover locking piece 42 for locking the locking hole 14 of the chassis 1.
Is provided at its rear position, and its front portion is one step lower than the surface of a normal top cover so that it can be inserted inside the front cover 3. In the mounting according to this embodiment configured as described above, the top cover warp prevention rib 33 mounted above the front cover 3 mounted by the above-described work is lower by one step than the top cover 4. The upper cover locking piece 42 is inserted into the upper cover upper locking hole 13 provided on the rear side of the upper surface of the chassis 1, and the triangular projection of the inserted upper cover locking piece 42 is inserted. The portion is fitted into the above-described upper cover locking hole 14 provided on the rear surface formed in a part of the rear portion of the chassis 1. As described above, the entire surface except the rear surface is protected by the exterior parts.

FIG. 5 is a sectional view taken along the line AA 'in FIG.
The lower surface cover 2 is attached to the chassis 1 by the lower surface cover locking piece 20,
The situation is shown in which the positioning boss 21 is firmly fixed. 6 is a cross-sectional view taken along the line BB ′ in FIG. 1, in which the lower surface cover 2 is fixed to the chassis 1 with the lower surface cover locking pieces 20, and the front surface cover 3 includes the lower surface cover 2 and the chassis. FIG. 1 shows a state in which the lower surface cover locking piece 31 and the front cover locking piece 32 are locked and fixed, respectively. As shown in FIGS. 5 and 6, the upper surface cover 4 has a lower front portion of the upper surface cover 4 inserted into the upper surface cover warp prevention rib 33 above the upper surface cover 3 as well as the upper surface. The upper surface cover locking piece 42 provided on the rear portion of the cover 4 is provided on the rear surface of the chassis 1 by the upper surface cover upper locking hole 1
4, the chassis 1 and the lower surface cover 2, the front surface cover 3, and the upper surface cover 4 are firmly locked and fixed to each other.

The description of the operation at the time of assembling is finished above, and next, the operation at the time of removing the top cover 4 from the chassis 1 in the housing structure of the electronic apparatus according to the present embodiment will be described. First, the triangular protrusion of the top cover locking piece 42 is pushed forward from the rear of the housing with a hand or a tool such as a screwdriver to remove the locking piece 42 from the locking hole 14 of the chassis 1. Next, the rear portion of the upper surface cover 4 is lifted upward, the locking piece 42 is pulled out from the locking hole 13, and the front portion, which is one step lower than the upper surface cover 4, is used to prevent the upper cover from warping. Remove from the rib 33. Next, an operation for removing the front cover 3 according to this embodiment will be described. FIG. 7 is a detailed view of the locking piece 32 above the front cover 3 shown in FIG. In this embodiment, a driver is inserted between the detaching hook portion 34 provided on the locking piece 32 of the front cover 3 and the chassis 1, and the locking piece 32 is twisted by twisting the driver.
Is deformed, and the locking piece 32 is pulled out from the locking hole 12 of the chassis 1. After that, the front cover 3 can be removed by pulling out the lower cover locking piece 31 below the front cover 3 from the lower cover locking hole 22.

Next, the operation of removing the lower surface cover 2 according to this embodiment will be described. FIG. 8 is a detailed view of the locking piece 20 below the lower surface cover 2 shown in FIG. In this embodiment, a driver is inserted between the catching portion 23 for removal provided on the locking piece 20 of the lower surface cover 2 and the chassis 1, and the locking piece 20 is deformed by twisting the driver to change the chassis. 1. Pull out all the locking pieces 20 from the locking holes 10. With this, all the exterior parts can be removed from the chassis 1. Also, as shown in FIG.
The same effect can be obtained by a method in which the locking hole 10 of the chassis 1 is widened upward and the triangular convex portion of the locking piece 20 of the lower surface cover 2 is directly pushed outward by a tool such as a finger or a screwdriver. Further, as shown in FIG. 10, a method in which a hole 15 for allowing a driver or the like to pass through is provided on the upper surface of the chassis 1 and the triangular convex portion of the locking piece 20 of the lower surface cover 2 is directly pushed out by a tool such as a driver, The same effect can be obtained.

According to each of the above-described embodiments, the disassembling work of the exterior parts fixed by the engagement of the engagement holes provided on the chassis and the engagement pieces provided on the exterior parts can be easily performed by a standard tool or manual work. It is possible to reduce the number of man-hours required for disassembling work. It is needless to say that each of the above embodiments is an example of the present invention, and the present invention should not be limited to these.

[0014]

As described above in detail, according to the present invention, the disassembling workability is improved without impairing the assembling workability, so that the disassembling time of the electronic equipment can be greatly shortened. It has a remarkable effect that it can be realized. More specifically, the base part for actually mounting an electric component such as a printed wiring board and the exterior part attached to the base part have a plurality of locking pieces and locking holes engageable therewith, respectively. , An electronic device having a casing structure, which is provided in the base part, and by engaging the locking hole and the locking piece with each other to attach the exterior component or the exterior components to each other, ends the function as the electronic device. After
Since disassembling when effectively using exterior parts etc. as recycled resources can be easily done with standard tools or by hand,
It has a remarkable effect that a structure excellent in recyclability can be realized.

[Brief description of drawings]

FIG. 1 is a diagram showing a housing structure of an entire electronic device according to an embodiment of the present invention.

FIG. 2 is a diagram showing a mounting example of a lower surface cover according to the embodiment.

FIG. 3 is a diagram showing a front cover according to an embodiment.

FIG. 4 is a diagram showing a top cover according to an example.

5 is a cross-sectional view taken along the line AA ′ of FIG.

6 is a sectional view taken along line BB ′ of FIG.

7 is an enlarged view of a front cover locking piece 32 portion of FIG.

FIG. 8 is an enlarged view of a lower surface cover locking piece 20 portion of FIG.

FIG. 9 is a view showing another mounting example (1) of the lower surface cover locking piece 20 portion.

FIG. 10 is a diagram showing another mounting example (No. 2) of the lower surface cover locking piece 20 portion.

[Explanation of symbols]

1: Chassis, 2: Bottom cover, 3: Front cover, 4:
Top cover, 10: bottom cover locking hole, 11: positioning hole, 12: front cover locking hole, 13: top cover upper locking hole, 14: top cover rear locking hole, 20: bottom cover Locking piece, 21: Positioning boss, 22: Lower surface cover locking hole, 23: Detachment hooking portion, 31: Lower surface cover locking piece, 32: Front cover locking piece, 33: Upper cover warp prevention riff , 34: Hooking part for removal, 41: Upper cover locking piece.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Fumihiko Shinozuka 1 Ikegami, Haruoka-cho, Owariasahi-shi, Aichi Hitachi Asahi Electronics Co., Ltd.

Claims (4)

[Claims] 1. A locking hole and an engaging member engageable with the locking hole, which comprises a rigid base for actually mounting an electric component, and an exterior component attached around the base to protect the base. A plurality of stoppers are provided for each of the base portion and the exterior component to be attached to the base portion, and the exterior component is attached to at least the base portion by connecting the engagement piece to the engagement hole, and the engagement piece is deformed. Alternatively, the casing structure of the electronic device is configured such that the coupling between the locking hole and the locking piece can be released by breaking the structure and the exterior component can be removed from the base portion. 2. A protrusion is provided on the locking piece to form a gap between the locking hole and the surface having the locking piece, and a standard tool or finger is inserted into the gap to deform the locking piece. The housing structure for an electronic device according to claim 1, wherein the housing structure is configured easily. 3. The size of the locking hole other than the portion where the locking hole and the locking piece engage with each other is increased, and a standard tool or a finger is inserted into the gap generated thereby to easily deform the locking piece. The casing structure for an electronic device according to claim 1, wherein the casing structure is configured. 4. An auxiliary hole for unlocking is provided in the vicinity of the locking hole, and a standard tool or a finger is inserted through the auxiliary hole to easily deform the locking piece.
The housing structure of the described electronic device.