JP3818424B2 - Door frame and storage body - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a door frame that can be mounted on a storage body and a storage body including the door frame.
[0002]
[Prior art]
Conventionally, storage bodies for storing electrical equipment, electronic equipment, substation equipment, and the like are known. For example, when such a storage body is installed in a poor environment where dust or corrosive gas exists, the inside of the storage body needs to be isolated as much as possible from the outside air. In this case, if the storage body has a hermetically sealed structure, heat is trapped inside. Therefore, it is necessary to install a heat exchanger for discharging heat to the door of the existing storage body.
[0003]
FIG. 6 is a cross-sectional view schematically showing a conventional storage body (conventional example 1).
A housing body 101 shown in FIG. 6 includes a housing 102 that houses internal devices, a door 105 that opens and closes the housing body 102, a hinge portion 105 a that rotatably supports the door 105, and an inner side of the door 105. And a heat exchanger 107 attached to the.
[0004]
FIG. 7 is a cross-sectional view schematically showing a conventional storage body (conventional example 2).
A storage body 201 shown in FIG. 7 differs from the storage body 101 shown in FIG. 6 in that a heat exchanger 107 is attached to the outside of the door 105. In such storage bodies 101 and 201, it is necessary to process the door 105 in order to attach the heat exchanger 107 to the existing door 105.
[0005]
FIG. 8 is a front view showing a door surface of a conventional storage body. FIG. 9 is a rear view showing a door rear surface of a conventional storage body.
As shown in FIG. 8, in the conventional storage bodies 101 and 201, after the door 105 is removed from the existing storage body main body 102, a mounting hole 105a is formed in the door 105 by sheet metal processing such as drilling. It was necessary to attach 107 to the door 105. Moreover, as shown in FIG. 9, in the conventional storage bodies 101 and 201, in order to improve airtightness, the packing 105b was affixed on the inner peripheral part except the hinge part 105a of the existing door 105. As shown in FIG.
[0006]
[Problems to be solved by the invention]
However, in the conventional storage bodies 101 and 201, chips and the like are generated when the door 105 is drilled at the site, and there is a possibility of affecting the internal equipment, and the weight of the door 105 is increased. There was a risk that the strength of the hinge portion 105a would be insufficient. Further, in the conventional storage bodies 101 and 201, the existing door 105 does not originally have an airtight structure, the door 105 may be distorted due to the weight of the heat exchanger 107, and the packing 105b is attached to the hinge portion 105a. It was difficult to secure the airtightness of the door 105.
[0007]
Further, in the conventional storage body 101, as shown in FIG. 6, the heat exchanger 107 attached to the inside of the door 105 and the internal device in the storage body main body 102 may interfere with each other. Furthermore, in the conventional storage body 201, as shown in FIG. 7, the heat exchanger 107 attached to the outside of the door 105 may become an obstacle and interfere with the door 105a of the adjacent storage body 201 when opening and closing. At the same time, since the heat exchanger 107 is attached to the outside of the door 105, the appearance is impaired.
[0008]
The subject of this invention is providing the door frame and storage body which can prevent interference with the internal apparatus by the side of a storage body main body.
[0009]
[Means for Solving the Problems]
The present invention solves the above-mentioned problems by the solving means described below.
In addition, although the code | symbol corresponding to embodiment of this invention is attached | subjected and demonstrated, it is not limited to this.
The invention of claim 1 is a door frame (3) that can be attached to the storage body main body (2), and is fixed to the opening (2a) of the storage body main body, and the main body side flange portion of the storage body main body has A door frame (4) having a frame body side flange portion (4d) to be joined to (2b), a door (5) that is rotatably supported by the door frame and opens and closes an opening (4c) of the door frame; A clamp (81) having a tightening screw (82) for removably fixing the door frame to the storage body main body and tightening the main body side flange portion and the frame body side flange portion, and when the tightening screw is loosened, the clamp A fixing member (8) provided with a drop-off prevention member (83) for preventing the drop-off
The door frame has a space (4a) in which an internal device (7) to be fixed to the door can be stored.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in more detail with reference to the drawings.
FIG. 1 is a perspective view showing an exploded state of a door frame according to an embodiment of the present invention. FIG. 2 is a cross-sectional view of the door frame according to the embodiment of the present invention. FIG. 3 is an enlarged cross-sectional view of a portion III in FIG. FIG. 4 is an enlarged cross-sectional view showing a portion IV in FIG. FIG. 5 is a perspective view showing a fixing member of the door frame according to the embodiment of the present invention.
[0015]
The storage body 1 is a power receiving box or a distribution box (cubicle) that stores electrical equipment, electronic equipment, circuit equipment, a monitoring control device, or substation equipment. As shown in FIG. 1, the storage body 1 includes a storage body main body 2 and a door frame body 3. The storage body 1 is covered with a ground metal wall such as a steel plate, for example, front and rear, left and right, and top and bottom.
[0016]
The housing body 2 is a housing that houses a body-side device (internal device) (not shown). The housing body 2 is obtained by removing the door and the hinge portion from the existing housing body. The opening 2a is formed on the front surface, and the flange portion 2b is formed on the inner peripheral portion of the opening 2a. Yes.
[0017]
The door frame 3 is a member that can be attached to the housing body 1. The door frame 3 is comprised from the door frame 4, the door 5, the sealing member 6, the heat exchanger 7, and the fixing member 8, as shown in FIG.1 and FIG.2.
[0018]
The door frame 4 is a frame that can accommodate a heat exchanger (internal device) 7 that is fixed to the door 5. The door frame 4 is fixed to the opening 2 a of the housing body 2. When the heat exchanger 7 is fixed to the door 5, the inner peripheral portion of the door frame 4 forms an internal space 4 a that can accommodate the heat exchanger 7 protruding from the back surface of the door 5. As shown in FIG. 2, the door frame 4 is designed to have a depth t 3 that is equal to or greater than the total length of the depth t 1 of the door 5 and the depth t 2 of the heat exchanger 7 protruding from the back surface of the door 5. . In the door frame 4, an opening 4 b is formed on the side facing the housing body 2, and an opening 4 c is formed on the side opposite to the opening 4 b. As shown in FIGS. 3 and 4, a flange portion 4 d that is joined to the flange portion 2 b on the housing body 2 side is formed on the inner peripheral portion of the opening 4 b. A joint 4f protruding forward is formed on the inner periphery of the opening 4c, and one of the door frames 4 is formed outside the contact 4f as shown in FIGS. Two hinge parts 4g are attached at intervals along the vertical beam.
[0019]
The door 5 is a member that is rotatably supported by the door frame 4 and opens and closes the opening 4 c of the door frame 4. The door 5 is rotatably connected to the hinge portion 4g. As shown in FIG. 1, two attachment holes 5 a are formed in the door 5, and a latch lock 5 b for opening and closing and locking the door 5 is attached. As shown in FIGS. 2 and 3, a sealing member 6 is attached to the back surface of the door 5.
[0020]
The sealing member 6 is a packing that seals the gap between the door frame 4 and the door 5 when the opening 4 c of the door frame 4 is closed by the door 5. The sealing member 6 is affixed to a position corresponding to the joint 4f so as to be in close contact with the joint 4f of the door frame 4.
[0021]
The heat exchanger 7 is an exhaust device that discharges heat generated by the main body side device (internal device) stored in the storage body main body 2 to the outside. The heat exchanger 7 has two exhaust holes fitted in the two through holes 5a, and is fixed to the door 5 by a fixing member such as a set screw (not shown).
[0022]
The fixing member 8 is a member that detachably fixes the door frame 4 to the housing body 2. As shown in FIG. 5, the fixing member 8 includes a clamp 81, a tightening screw 82, and a drop-off preventing member 83. As shown in FIG. 1, twelve fixing members 8 are attached to a pair of upper and lower horizontal rails of the door frame 4 in total. The fixing member 8 fixes the gap between the housing body 2 and the door frame 4 after a caulking agent (sealing member) such as a silicone sealant is applied between the flange portion 2b and the flange portion 4d. Seal.
[0023]
The clamp 81 is a member for positioning and joining the flange portion 2b and the flange portion 4d. 2 and 3, the clamp 81 includes a contact portion 81a, a support portion 81b, a connecting portion 81c, a female screw portion 81d, and a tightening screw 82. The clamp 81 is formed in a substantially U shape by a contact portion 81a, a support portion 81b, and a connecting portion 81c.
[0024]
The contact portion 81a is a portion that contacts a surface of the flange portion 2b opposite to the side that contacts the flange portion 4d. The support portion 81b is a portion that supports the tightening screw 82, and the connection portion 81c is a portion that connects the contact portion 81a and the support portion 81b so that they face each other with a gap therebetween. The connecting part 81c connects the contact part 81a and the support part 81b so as to form a gap between the flange part 4d and the support part 81b when the flange part 2b and the flange part 4d are joined. The female screw portion 81d is a through hole formed in the support portion 81b.
[0025]
The tightening screw 82 is a screw for tightening the flange portion 2b and the flange portion 4d. The tightening screw 82 screws the male screw portion 82a into the female screw portion 81d, and sandwiches and fixes the flange portion 2b and the flange portion 4d between the screw tip portion 82b and the contact portion 81a.
[0026]
The drop-off prevention member 83 is a member that prevents the clamp 81 from falling off when the tightening screw 82 is loosened. The drop-off prevention member 83 is fixed to the surface of the flange portion 4d opposite to the side in contact with the flange portion 2b so as to form a gap with the support portion 81b. The drop-off prevention member 83 is a washer-like plate having a thickness. When the tightening screw 82 is loosened and the screw tip portion 82b is retracted, the screw tip portion 82b is caught by the thickness portion to prevent the clamp 81 from dropping off.
[0027]
Next, the door frame attachment method according to the embodiment of the present invention will be described.
After removing the existing door and hinge part from the storage body main body 2 shown in FIG. 1, when the bracket 4e of the door frame 4 is hooked on the flange portion 2b of the storage body main body 2, the opening 2a of the storage body main body 2 and the door The opening 4b of the frame 4 is positioned. Then, the clamp 81 is positioned on the drop-off prevention member 83, and the fastening screw 82 is screwed in until the screw tip portion 82b of the fastening screw 82 passes through the drop-off prevention member 83 and comes into contact with the flange portion 4d. As a result, the flange portion 2b and the flange portion 4d are sandwiched between the contact portion 81a and the screw tip portion 82b, and the door frame body 3 is mounted and fixed to the storage body main body 2.
[0028]
The door frame according to the embodiment of the present invention has the following effects.
(1) In this embodiment, the door frame 4 has an internal space 4 a in which the heat exchanger 7 fixed to the door 5 can be stored. For this reason, it can prevent that the internal apparatus by the side of the storage body 2 and the heat exchanger 7 interfere. Further, since the heat exchanger 7 does not protrude from the surface of the door 5, even when a plurality of storage bodies 1 are installed side by side, the door of the storage body adjacent to the storage body 1 is prevented from interfering with the opened door 5. be able to.
[0029]
(2) In this embodiment, the door 5 to which the heat exchanger 7 is fixed is rotatably supported by the door frame 4, and the door frame 4 is attached to the housing body 2. As a result, since the mounting structure through the frame member is employed, the lack of strength of the hinge portion caused by the weight increase by the heat exchanger 7 can be solved.
[0030]
(3) In this embodiment, after mounting holes 5a are formed in the door 5 and necessary equipment and parts such as the door frame 4, the door 5, the contact member 6 and the heat exchanger 7 are assembled in the factory, the door frame The body 3 can be carried into the site and easily attached to the existing storage body 2 by the fixing member 8. As a result, it is no longer necessary to perform sheet metal processing such as drilling or welding at the site, so that labor can be saved in the installation work, and the adverse effects of generating chips from the drilling operation at the site can be avoided. .
[0031]
(4) In this embodiment, a dropout prevention member 83 that prevents the clamp 81 from falling off is provided on the flange portion 4d. For this reason, it is possible to improve the installation work of the door frame 3 in the field and prevent the clamp 81 from coming off immediately even if the tightening screw 82 for fastening the flange portion 2b and the flange portion 4d is loosened after the installation work. can do.
[0032]
(5) In this embodiment, the fixing member 8 joins the flange portion 2b and the flange portion 4d, and the sealing member 6 seals the gap portion between the door 5 and the door frame body 4. For this reason, even if the storage body 1 is installed in an environment where dust, corrosive gas, or the like is present, the interior of the storage body 1 can be sealed.
[0033]
The present invention is not limited to the embodiment described above, and various modifications or changes can be made as described below, and these are also within the scope of the present invention.
For example, in this embodiment, the cubicle has been described as an example. However, the present invention can also be applied to storage facilities such as an operator console and an electric board, distribution board, and instrument panel similar to the operator console. Further, in this embodiment, the case where a heat exchanger is installed has been described as an example, but in addition to this, when an auxiliary device such as a ventilator is added or when the device is not installed, the airtightness in the storage body is improved. The present invention can also be applied to the case of improvement. Furthermore, in this embodiment, the case where twelve fixing members 8 are installed has been described as an example, but any number of fixing members 8 can be installed according to the size and weight of the door frame 3.
[0034]
【The invention's effect】
As described above, according to the present invention, since the door frame has a space in which the internal device fixed to the door can be stored, it is possible to prevent interference with the internal device on the container body side.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an exploded state of a door frame according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view of a door frame according to an embodiment of the present invention.
3 is an enlarged cross-sectional view of a portion III in FIG.
4 is an enlarged cross-sectional view of a portion IV in FIG.
FIG. 5 is a perspective view showing a door frame fixing member according to an embodiment of the present invention.
FIG. 6 is a cross-sectional view schematically showing a conventional storage body (conventional example 1).
FIG. 7 is a cross-sectional view schematically showing a conventional storage body (conventional example 2).
FIG. 8 is a front view showing a door surface of a conventional storage body.
FIG. 9 is a rear view showing a rear surface of a door of a conventional storage body.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Storage body 2 Storage body main body 2a Opening part 2b Flange part 3 Door frame body 4 Door frame 4a Internal space 4c Opening part 4d Flange part 5 Door 6 Contact member 7 Heat exchanger (internal apparatus)
8 Fixing member 81 Clamp 82 Clamping screw 83 Fall-off prevention member

Claims (1)

A door frame that can be attached to the housing body,
A door frame Ru provided with a frame-side flange portion bonded to the main body side flange portion having said housing main body is fixed to the opening of the housing main body,
A door that is rotatably supported by the door frame, and opens and closes an opening of the door frame;
The door frame is detachably fixed to the housing body, and a clamp having a fastening screw for fastening the body-side flange portion and the frame-side flange portion is prevented, and the clamp is prevented from falling off when the fastening screw is loosened. And a fixing member provided with a drop-off prevention member that
The door frame has a space capable of storing an internal device to be fixed to the door;
A door frame characterized by.

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