JP4371932B2 - Sealed housing - Google Patents

Description

  The present invention relates to a hermetically sealed housing that does not require welding and can be easily assembled.

Conventionally, when manufacturing a casing that requires airtightness using a metal material such as sheet metal, it has been necessary to join the members of the casing by welding.
However, welding is a work that requires defects and is prone to skill in the welded part and its surroundings, and weld cracking due to welding distortion and material alteration is likely to occur. It is difficult to maintain sex. Also, welding is an operation that requires high manufacturing costs.
In addition, the following things are provided as an assembly box which can connect a metal member easily without welding (for example, refer patent documents 1 and 2).

Japanese Patent Laying-Open No. 2003-052463 (first page, FIG. 4) Japanese Utility Model Publication No. 7-033131 (first page, FIG. 1)

  However, since the provided assembled box does not have a sealing property, when it is necessary to seal the contents of the box, these assembled boxes cannot be used outdoors. Cannot be used.

  The present invention has been proposed in order to solve the problems of the conventional techniques as described above, and provides a housing that can be easily assembled without performing welding and has a sealing property. Objective.

  In order to achieve the above-described object, the sealed casing of the present invention includes two opposing first wall members that form a body portion of the casing, and two opposing opposing orthogonal walls of the first wall member. A hermetically sealed casing comprising a second wall member, a ceiling portion covering the upper surface of the body portion, and a bottom portion covering the bottom surface of the body portion, wherein the first wall member is in the longitudinal direction of both ends of the plate-like member The second wall member has a cut surface in the longitudinal direction of both end portions of the plate-shaped member, and this has a cut surface in the longitudinal direction of the cut surface. A concave portion is formed in the longitudinal direction of the cut surface, the convex portion is formed in a shape with a cross section, and the concave portion is formed in a groove shape with a cross section.

  According to the sealed casing of the present invention having such a configuration, the convex portion having a cross section of the first wall member and the concave portion having the groove shape having a cross section of the second wall member can be fitted. Thereby, the wall member of a trunk | drum can be assembled, without welding.

  Further, the ceiling part of the hermetic casing of the present invention is composed of a top part and a ceiling side part provided around the top part, and the inner periphery of the ceiling side part is the first wall. It is set as the structure formed in the same shape as the outer periphery of the said trunk | drum comprised from a member and said 2nd wall member. The bottom portion includes a bottom surface portion that fits into the body portion and an edge portion that contacts the edge portion of the body portion, and the outer periphery of the bottom surface portion includes the first wall member and the second wall member. It is set as the structure formed in the same shape as the inner periphery of the said trunk | drum comprised from.

According to the sealed casing of the present invention having such a configuration, since the inner periphery of the ceiling side member constituting the ceiling part is formed the same as the outer periphery of the trunk part, The outside of the body is in close contact. Moreover, since the inner periphery of the bottom face part which comprises a bottom part is formed identically with the outer periphery of a trunk | drum, the inner side of a trunk | drum and the outer side of a bottom face part closely_contact | adhere.
Thereby, even if the sealed casing is installed outdoors, rainwater or the like is difficult to enter, so that the sealing inside the casing is maintained.

Moreover, it is set as the structure which provided the hole for inserting the screw | thread which reinforces sealing property in the coupling | bond part of said 1st wall member and said 2nd wall member of the sealed housing | casing of this invention. Furthermore, the present invention is configured such that a hole for inserting a screw for enhancing the sealing property is provided in a contact portion between the top portion or / and the bottom surface portion of the sealed casing and the trunk portion.
According to the sealed casing of the present invention having such a configuration, screw holes are provided in the wall member, the ceiling portion, and the bottom portion, and the members are firmly fixed to each other with screws, thereby further improving the sealing performance of the casing. be able to.

Moreover, it is set as the structure which attached the fin for radiating the heat | fever which generate | occur | produces inside this sealed housing | casing to a part of sealed housing | casing of this invention.
According to the sealed casing of the present invention having such a configuration, the surface area of the sealed casing in contact with the outside air is increased by attaching the fins. Thereby, even if a precision instrument or the like having heat generation is installed inside, the temperature rise inside the housing can be prevented.

  As described above, the sealed casing of the present invention can be easily assembled without welding, and has high sealing performance. Therefore, even if this sealed casing is installed outdoors, there is no risk of rainwater or the like entering the interior of the casing, and articles requiring waterproofness can be installed and stored inside the casing.

Fig.1 (a) is a schematic whole perspective view of the sealed housing | casing of this invention, (b) is a disassembled perspective view of a ceiling part, a trunk | drum, and a bottom part.
The hermetic casing 1 of the present invention is made of a material such as metal that does not allow rainwater to enter even when installed outdoors, and includes a ceiling portion 10, a trunk portion 20, and a bottom portion 30.
A door 41 for carrying an article into the inside of the sealed casing 1 is provided on the side surface of the trunk portion 20.

The ceiling part 10 is formed from a ceiling part 11 and a ceiling side part 12 that forms the outer periphery thereof.
Moreover, the trunk | drum 20 is a rectangular tube shape, and is formed from the two 1st wall members which oppose, and the 2nd 2nd wall member which crosses and orthogonally crosses this 1st wall member.
Furthermore, the bottom part 30 is comprised from the bottom face part 31 fitted to the trunk | drum 20, and the edge part 32 contact | abutted to the lower edge of a trunk | drum.

  The inner peripheral shape of the ceiling side portion 12 of the ceiling portion 10 is the same as the outer peripheral shape of the trunk portion 20, and when the ceiling portion 10 is put on the trunk portion 20, the top side surface portion 12 becomes the outer peripheral side surface portion of the trunk portion 20. In close contact. Further, the side surface shape of the bottom surface portion 31 of the bottom portion 30 is the same as the inner peripheral shape of the trunk portion 20, and when the bottom portion 30 is inserted from below the trunk portion 20, the bottom surface portion 31 becomes the inner peripheral side surface portion of the trunk portion 20. Close contact with.

2A is a central cross-sectional view of the trunk portion, FIG. 2B is an end view of the first wall member, and FIG. 2C is a schematic enlarged view of the end portion of the second wall member.
As shown in (b), the end portions of the first wall member 21 are provided with orthogonal cut surfaces 23 and 24 in the longitudinal direction, and the center portion of the one cut surface 24 is provided with a wall member. A single convex portion 25 is provided in the longitudinal direction. The cross section of the convex part is formed in a dovetail shape.
Further, as shown in (c), the end portion of the second wall member 22 is provided with orthogonal cut surfaces 26 and 27, and further, a single recess portion 28 is provided in the central portion of the cut surface 27. Yes. The cross section of the recess is formed in a dovetail shape.

As a material of each member of the hermetic casing 1, metal, synthetic resin, or the like can be used.
When manufacturing the 1st wall member 11 and the 2nd wall member 22 with materials, such as a metal and a synthetic resin, a notch surface can be formed by pouring material into a formwork by casting.
In addition, when a precision instrument or the like is installed inside the sealed casing 1 and the casing is used, the temperature inside the casing rises, so that the heat conductivity is easily dissipated to the outside of the casing. It is preferable to use a large metal.
In general, synthetic resin has a low thermal conductivity. Therefore, when manufacturing a sealed casing with a synthetic resin, a material having a high thermal conductivity (for example, metal powder) is added to the synthetic resin, and each member is added. Is preferably produced.

FIG. 3 is a main part schematic enlarged view when the first wall member and the second wall member are fitted together. FIG. 4 is a schematic perspective view in the middle of assembling the trunk portion 20.
The first wall member 21 having a dovetail-shaped convex portion and the second wall member 22 having a dovetail-shaped concave portion can be fitted by sliding both members in the vertical direction.
One end portion of each of the second wall members 22 is fitted into both end portions of one first wall member 21, and finally, as shown in FIG. 4, both end portions of the first wall member 21 are connected to the end of the second wall member 22. The body part 20 can be assembled by fitting into the part.
Finally, the body 20 may be assembled by fitting both end portions of the second wall member 22 into the end of the first wall member 21.
As a result, the first wall member 21 and the second wall member 22 once fitted in a frame shape are not easily disassembled unless they are slid again and removed.

Even if it is a case where the wall member is formed into a simple convex shape or a concave shape without being formed into a certain shape or a groove shape, by forming the convex cross section slightly larger than the concave shape cross section, Both wall members can be fitted by applying a pressing force or an impact to both wall members to form the body portion. In this case, both wall members can be fitted from the lateral direction without being fitted from the vertical direction.
Thus, once the wall member is assembled, the wall member is not disassembled unless a pressing force or impact is applied again.

FIG. 5 shows an overall schematic view of a sealed casing in which screw holes are provided in each member constituting the casing. FIG. 6 is a cross-sectional view of the screw hole, where (a) shows the first wall member and the second wall member, (b) shows the ceiling and body, and (c) shows , Showing the torso and bottom.
As shown in FIG. 5, the screw hole passes through the contact surface of the ceiling portion 10 and the trunk portion 20 (for example, the ceiling portion screw hole 42 and the trunk top surface screw hole 43), and the first wall member 21 and the second wall. Through the connecting surface of the member 22 (for example, the body side screw holes 44a and 44b provided in the first wall member 21 and the second wall member 22), and further through the contact surface of the bottom 30 and the body 20 (for example, the bottom screw) Hole 46 and body lower surface screw hole 45) can be provided.
By screwing each member with the screw 50, the adhesion between the members can be further increased, and the sealing performance of the housing can be increased.

When a screw hole is provided between the first wall member 21 and the second wall member 22, the longitudinal direction of the second wall member 22 is obtained when both the members are joined as shown in FIG. It is preferable to provide the first wall member 21 in the short direction. Thus, by providing the screw hole, the screw hole can be provided without destroying the convex portion 25 and the concave portion 28.
When a screw hole is provided between the ceiling part 10 and the body part 20 or between the body part 20 and the bottom part 30, as shown in (b) and (c), the body part 20 through the ceiling part 10 or The body 20 can be threaded through the bottom 30.

FIG. 7 shows a case where a waterproof packing is arranged on each member, (a) shows the case of the first wall member and the second wall member, and (b) shows the top part and the body part. (C) has shown the case of a trunk | drum and a bottom part.
The waterproof packing can be made of an elastic material such as rubber or urethane resin.

When the waterproof packing 47 is provided between the first wall member 21 and the second wall member 22, as shown in FIG. 7 (a), the first wall member 21 and the second wall member provided with screw holes. Preferably, it is provided inside the 22 contact surface. Moreover, when providing the waterproof packing 47 between the ceiling part 10 and the trunk | drum 20 or between the trunk | drum 20 and the bottom part 30, as shown to (b) and (c), it waterproofs inside a screw hole. It is preferable to provide a conductive packing. By attaching the waterproof packing to the inside of the screw hole, it is possible to prevent intrusion of rainwater or the like from the screw hole. The waterproof packing may be provided not only inside the screw hole but also outside.
By providing a waterproof packing and further screwing between the members, the sealing performance of the housing is further improved.

Next, another embodiment of the sealed casing according to the present invention will be described.
FIG. 8 is a perspective view showing a sealed housing according to another embodiment of the present invention, (a) is a schematic overall perspective view, and (b) is an exploded view of a ceiling part, a trunk part, and a bottom part. It is a perspective view.
The hermetic casing according to the present embodiment shown in the figure is obtained by attaching fins as heat radiating means to members constituting the casing.
Therefore, other components are the same as those in the above embodiment, and the same components are denoted by the same reference numerals as those in the above embodiment in the drawing, and detailed description thereof is omitted.

The hermetic casing 1 has high hermeticity and can be installed outdoors to prevent intrusion of rainwater and the like. For this reason, it is suitable for using the sealed casing 1 by installing a precision device or the like inside the sealed casing 1. However, if a precision machine or the like is installed inside, the temperature inside the casing rises, which may adversely affect precision equipment and the like, and thus means for preventing the temperature inside the casing from increasing.
Therefore, by attaching the fins 29 to the outside of the sealed casing 1 as shown in FIG. 8, the surface area in contact with the outside air and the sealed casing 1 can be increased, and the temperature rise inside the casing can be prevented.

The fins 29 can be attached not only to the body portion 20 but also to the ceiling portion 10.
In addition, it is preferable to attach the precision machine etc. 49 installed in the inside of the sealed housing 1 so that the fins 29 are in contact with the inside of the wall member attached to the outside. In this way, the heat generated by the precision machine 49 can be directly transmitted to the casing, and the heat can be released into the outside air from the plate-like member attached to the outside of the casing.

  The hermetic casing of the present invention can be easily assembled without welding and has high hermeticity. Therefore, even if this hermetic casing is installed outdoors, there is no risk of rainwater or the like entering the casing, and parts that require waterproofness can be stored inside the casing. Further, since welding is not required, a high-quality technical force is not required for assembly, and a sealed housing with uniform quality can be provided. Furthermore, since it is not welded when assembling, disassembly is easy. Therefore, when the sealed casing of the present invention is discarded, it can be easily disassembled and discarded.

As described above, the sealed casing of the present invention has been described with reference to the preferred embodiment. However, the sealed casing according to the present invention is not limited to the above-described embodiment, and variously within the scope of the present invention. Needless to say, it is possible to implement this change.
For example, the number of screw holes provided in each member is not limited to the case shown in FIG. 5, and may be further provided or may be reduced. Further, the number of the fins 29 is not limited to the case shown in FIG. 8, and may be provided more or less. Furthermore, the side wall portion where the fins 29 are provided is not limited to the case where the fins 29 are provided on the second side wall member shown in FIG.

1 is an overall perspective view of a sealed casing of the present invention. It is a disassembled perspective view of the ceiling part, trunk | drum, and bottom part of the airtight housing | casing of this invention. (A) is an AA line sectional view of a body part, (b) is an enlarged view of the end of the first wall member, and (c) is an enlarged view of the end of the second wall member. It is a perspective view when the 1st wall member and the 2nd wall member were made to fit. It is an example in the case of assembling a trunk | drum, Comprising: It is a schematic perspective view when assembling a trunk | drum by sliding a 1st wall member. It is an example at the time of providing a screw hole in an airtight case, and is a schematic diagram of a ceiling part, a body part, and a bottom part. It is a fragmentary sectional view when a screw hole is provided in an airtight housing, (a) is a sectional view of a trunk part, (b) is a sectional view of a ceiling part and a trunk part, (c) is a trunk part. It is sectional drawing of a bottom part. It is a fragmentary sectional view when providing a waterproof packing in a sealed casing, (a) is a sectional view of a trunk, (b) is a sectional view of a ceiling and a trunk, and (c) is a trunk. It is sectional drawing of a bottom part. It is a perspective view which shows the sealed housing | casing concerning other embodiment of this invention. It is a disassembled perspective view of the ceiling part, trunk | drum, and bottom part of the airtight housing | casing concerning other embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Sealing type housing | casing 10 Ceiling part 11 Top part 12 Ceiling side part 20 Trunk part 21 1st wall member 22 2nd wall member 23 Cutting surface 24a, 24b Cutting surface 25 Convex part 26 Cutting surface 27a, 27b Cutting Surface 28 Concave portion 29 Fin 30 Bottom portion 31 Bottom surface portion 32 Edge portion 41 Doors 42 to 46 Screw hole 47 Packing 49 Precision device, etc. (heating element)
50 screws

Claims (5)

Two opposing first wall members that form the body of the housing, two second wall members that are orthogonal to and opposite to the first wall member, and a ceiling that covers the upper surface of the body , A hermetically sealed casing comprising a bottom portion covering the bottom surface of the trunk portion,
The first wall member has a cut surface orthogonal to the longitudinal direction of both ends of the plate-shaped member, and a convex portion in the longitudinal direction of one central portion of the cut surface,
The second wall member has a cut surface that is orthogonal to the longitudinal direction of both ends of the plate-like member, and a concave portion that is fitted into the convex portion in the longitudinal direction of one central portion of the cut surface. And
The convex portion is formed in cross section has the shape and the recess is formed in cross-section has a groove shape Rutotomoni,
A screw hole formed in the joint portion of the first wall member and the second wall member without destroying the convex portion and the concave portion, and a waterproof packing disposed near the inside of the housing of the screw hole, sealed housing, characterized in that it comprises a.   The ceiling portion includes a top portion and a ceiling side portion provided around the top portion, and an inner periphery of the ceiling side portion includes the first wall member and the second wall member. The sealed casing according to claim 1, wherein the casing is formed in the same shape as the outer periphery of the body portion. The bottom portion is composed of a bottom surface portion that is fitted to the body portion and an edge portion that is in contact with an edge portion of the body portion, and the outer periphery of the bottom surface portion is composed of the first wall member and the second wall member. The hermetic casing according to claim 1, wherein the casing is formed in the same shape as the inner periphery of the body portion. The hermetic casing according to any one of claims 1 to 3, wherein a hole for inserting a screw that enhances hermeticity is provided in a contact portion between the top part or / and the bottom part and the body part. A sealed casing in which a fin for radiating heat generated inside the sealed casing is attached to a part of the sealed casing according to any one of claims 1 to 4 .

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