JPH06169180A - Case structure and disassembling method thereof - Google Patents

Abstract

PURPOSE:To facilitate the re-utilization of resources such as compact terminal device of computer, compact OA equipment, etc. CONSTITUTION:Within a terminal device, respective junction parts (hooks 10, 11, 13, 26, 29, etc.) are composed of polycarbonate while the other parts are composed of different synthetic resin. In order to disassemble the device for the re-utilization of resources, the device is reacted with carbontetrachloride so that the junction parts after decreasing the strength thereof may be vibrated or shocked. Through these procedures, the device can be easily disassembled.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a casing structure and a disassembling method for a small computer terminal device, a small OA device, etc., and more particularly to a casing structure and a disassembling method suitable for resource reuse.

[0002]

2. Description of the Related Art The conventional structure of a terminal device is to ensure product performance first and assemblability second, and a product that has been used as a product has not been reused as a resource. In order to reuse it as a resource, it is necessary to disassemble the items and combine them into individual single-piece members for each material. Conventional products take a lot of time to disassemble, such as removing screws and fitting of synthetic resin, which makes the price of recycled materials more expensive than new materials and promotes the reuse of resources. It was also one of the causes. For example, the actual fair 1-116486
In the device described in the publication, hooks are used to attach the parts, but disassembly of the device is not mentioned.

[0003]

In the above-mentioned prior art, sufficient consideration has not been given to the reuse of products that have been used up as resources. An object of the present invention is to provide a housing structure and a disassembling method that can improve such problems, can significantly reduce the time required for disassembly, and promote the recycling of products. It is in.

[0004]

In order to achieve the above object, the housing structure of the present invention has a plurality of parts (case, substrate,
In an electronic device provided with a power supply device, a cover, a front panel, etc.) and a means for connecting these parts, the connection means has a hooking structure such as a hook or a protrusion, and a predetermined chemical (for example, tetrachloride). It is characterized in that it is a synthetic resin molded product (for example, polycarbonate) whose strength decreases when it reacts with carbon, thinner, etc.). Further, in the disassembling method of the present invention, after dipping the device in the tank of the above-mentioned predetermined chemical to reduce the strength of the connecting means, vibration and impact are applied to the device to destroy the connecting means and then disassemble the device. There is a feature in doing it.

[0005]

In the present invention, when a product which is no longer used is to be reused as a resource, first, the tank is filled with a liquid or gas of a chemical agent that significantly reduces the strength of the synthetic resin used for the product. Place and soak the product in it. Then, the chemicals come into contact with the synthetic resin, and the synthetic resin becomes extremely brittle. Then, when the product is taken out of the tank and shocked or vibrated, the hook portion of the synthetic resin cannot withstand the shock or vibration and is broken. As a result, the joint portion is broken and the members constituting the product are disassembled.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 2 is a diagram showing the external appearance of the terminal device in the embodiment of the present invention. In FIG. 2, reference numeral 1 is a terminal device case, and 6 is a cover, which are generally used.
The cross section AA ′ is as shown in FIG.
The front side of is engaged with the upper hook 26 of the front panel 7 and the front hook 27 of the cover 6, and the rear side of the cover is engaged with the rear hook 29 of the case 1 and the rear hook 28 of the cover 6. Further, the BB ′ cross section is as shown in FIG. 4, and the projection 25 of the flon panel 7 is engaged with the hole of the case 1. The front panel 7 is made of synthetic resin. The configuration of the terminal device of this embodiment is as shown in FIG. In FIG. 1, (a) is a cover portion, (b) is an auxiliary substrate, a power supply and FD / DK assembly portion, (c) is a main substrate portion, (d) is a case portion, and (e) is a front panel portion. 2 is a main board, 3 is an auxiliary board, 4 is an FD / DK assembly, and 5 is a power supply device. Further, in the portion (b), there are a round hole 12 for mounting a board, a square hole 14, a connector 17 and the like. Reference numeral 18 indicates an end portion of the auxiliary board. Also, (c)
The part has square holes 8, 15, a round hole 9, a connector 16 and the like. Further, the portion (d) is for the hooks 10, 11, 1
3, 29, grooves 19, and square holes 30, and the hook portion is made of polycarbonate. The portion (e) has the hook 26 shown in FIG. 3, which is also made of polycarbonate.

Now, a method of assembling the terminal device of this embodiment will be described. First, the parts (b) and (c) are attached to the case 1 of (d). When the main board 2 of FIG. 1C is attached to the case 1 of FIG.
Then, the hooks 11 standing on the case 1 are penetrated to engage them. On the other hand, the FD / DK assembly 4 in (b)
Assemble as shown in FIG. That is, hooks 21 and 22 made of polycarbonate are provided on a mounting base 20 made of synthetic resin, and FD23 and DK24 are attached to them.
Engage. When the FD / DK assembly 4 is attached, the hook 11 penetrates the round hole 9 of the main board 2 in (c) and then engages with the round hole 12 of the mounting base 20 shown in FIG. . When the power supply device 5 of (b) is attached, the square hole 15 of the main board 2 of (c) is penetrated to the square hole 14 of the side plate of the power supply device and the hook 13 standing on the case 1 of (d).
Engage and. When the auxiliary board 3 in (b) is attached to the main board 2 in (c), the connector 17 attached to the auxiliary board 3 and the connector 16 attached to the main board 2 are attached.
Mate with. In this case, the end portion 18 of the auxiliary substrate 3 is inserted into the groove 19 provided in the case 1 so that the auxiliary substrate 3 does not fall sideways.

After the above work is completed, the front panel 7 of (e) is attached to the case 1 of (d). The front panel 7 of this embodiment is molded of synthetic resin, and the front panel 7 is fixed to the case 1 by engaging the projection 25 shown in FIG. 4 with the square hole 30 of the case 1. Finally, the cover 6 of (a) is attached. The cover 6 of this embodiment is molded of synthetic resin, and as shown in FIG. 3, the front side has the upper hook 2 of the front panel 7 of (E).
6 and the rear side is a rear hook 2 of the case 1 of (d).
By engaging 9 the cover 6 is fixed. In this embodiment, the hooks 10, 11, 13, 21, 21 are used.
2, 26 and the protrusion 25 are made of polycarbonate, and the case 1, the cover 6, the front panel 7, and the mounting base 2 are used.
0 is a synthetic resin made of another material, but this is to react the binding part with a chemical agent (carbon tetrachloride).
When using other chemicals, it is possible to use other materials accordingly. It is also conceivable that the hook and the protruding portion may be formed as separate pieces so that they are fitted into the case 1, the cover 6, the front panel 7, and the mounting base 20, or that they are integrally formed of different materials.

Next, a method of disassembling the terminal device having the above configuration for reusing resources will be described. In this embodiment,
Reacting the polycarbonate binding parts (hooks and protrusions) with carbon tetrachloride facilitates decomposition for resource recycling. That is, after putting the terminal device into a tank filled with a liquid of carbon tetrachloride for about several minutes to cause the reaction, and lowering the strength of the coupling hook and the protruding portion, take it out and apply vibration or impact (for example, 10 cm ~
By dropping it with a drop of several tens of centimeters), the bonded portion is destroyed and decomposed. As another combination of the synthetic resin and the chemical agent, for example, thinner and polycarbonate can be considered.

[0010]

According to the present invention, it is possible to reduce the cost of recycled materials by shortening the product decomposition time for resource recycling, and the utilization of recycled resources can be promoted accordingly.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of a terminal device according to an embodiment of the present invention.

FIG. 2 is a diagram showing an appearance of a terminal device according to an embodiment of the present invention.

FIG. 3 is a diagram showing an engaged state of a cover, a case, and a front panel in one embodiment of the present invention.

FIG. 4 is a diagram showing an engaged state of a case and a front panel in one embodiment of the present invention.

FIG. 5 is a diagram showing a method of assembling an FD / DK assembly according to an embodiment of the present invention.

[Explanation of symbols]

 1 Case 2 Main Board 3 Auxiliary Board 4 FD / DK Assembly 5 Power Supply 6 Cover 7 Front Panel 8 Square Hole 9 Round Hole 10 Hook 11 Hook 12 Round Hole 13 Hook 14 Square Hole 15 Square Hole 16 Connector 17 Connector 18 Auxiliary Board Ends 19 Groove 20 Mounting base 21 Hook 22 Hook 23 FD 24 DK 25 Protrusion 26 Hook 27 Hook 28 Hook 29 Hook 30 Square hole

Claims (4)

[Claims] 1. A housing structure of an electronic device comprising a plurality of parts and means for connecting the parts, wherein the connecting means comprises:
A housing structure having a hook portion and made of a synthetic resin molded product whose strength is reduced by a reaction with a predetermined chemical. 2. The housing structure according to claim 1, wherein the synthetic resin molding is polycarbonate. 3. A method for disassembling an electronic device having a housing structure according to claim 1, wherein after the device is immersed in the tank of the predetermined chemical, vibration and impact are applied to the device. How to disassemble. 4. The predetermined chemical is carbon tetrachloride,
4. The disassembling method according to claim 3, wherein the synthetic resin molded product for joining the parts is polycarbonate.