JPH0421998Y2 - - Google Patents

Description

[Detailed Description of the Invention] "Field of Industrial Application" The present invention relates to a door device having a sealing function.

"Prior art and its problems" Inspection of internal air conditioners, air conditioners installed in the basements, mechanical rooms, rooftops, and outdoors of buildings, or on the peripheral walls (partitions) of housings surrounding power distribution equipment.
Alternatively, an inspection door may be provided for maintenance purposes. This type of inspection door is installed outdoors to protect various devices inside from the influence of rain and wind, and for inspection doors installed indoors, it is used to protect various devices inside the housing. In order to isolate the housing from the influence of air outside the housing, it is common to have a sealed structure with an inspection door that is highly airtight. Conventionally, the sealing structure has a structure in which a band-shaped packing material is attached to the periphery of the door or the inner periphery of the door frame, and the gap between the door and the door frame can be closed by this packing material. is being used. However, in the conventional structure, the airtightness is controlled by the contact between two members, such as the contact between the packing material and the door, or the contact between the packing material and the door frame. The problem was that there were few products that could provide a good airtightness.

"Purpose of the invention" The present invention was made in view of the above-mentioned circumstances, and aims to provide a door device with a high sealing function.

``Means for solving the problem'' This invention forms a storage groove inside the holding frame provided around the entire circumference of the door frame, and faces this storage groove when the door is closed. A concave groove is formed around the entire outer periphery of the door, and a packing material that contacts each other when the door is closed is attached to the storage groove and the groove, and a retaining edge that contacts the packing material when the door is closed is attached. is formed on the holding frame, and a convex edge that comes into contact with the packing material when the door is closed is formed on the outer periphery of the door on the outer periphery side of the groove.

"Operation" When the door is closed, the packing materials come into contact with each other, and the retaining edge and the packing material further
The airtightness is enhanced by the contact between the convex edge and the packing material.

``Example'' Figures 1 and 2 show an example of the present invention. In the figure, 10 indicates an air conditioner installed on the roof of a building, outdoors, or in a machine room, or surrounding power distribution equipment. A housing (partition wall) is shown, and this partition wall 10
The partition wall 10 is constructed by lining a metal partition plate 10a with a heat insulating material 10b such as glass wool, and an opening 10c for attaching a door 11, which will be described later, is formed at a predetermined position of the partition wall 10.

A door frame 12 and a locking plate 13 are provided around the opening of the partition wall 10, and a door 11 is installed in the opening 10.

The door frame 12 includes a mounting frame 12A having a generally rectangular shape from the front, which is slightly smaller than the opening 10c of the partition wall 10, and a fixed frame extending perpendicularly to the edge of the mounting frame 12A on one side in the depth direction of the mounting frame 12A. 12B, and a holding frame 12D extending on the other side in the depth direction of the mounting frame 12A, perpendicular to the edge of the mounting frame 12A and facing in a direction opposite to the direction of the tip of the fixed frame 12B;
It consists of claw plates 12E integrated with each of the outer peripheral surfaces of the mounting frame 12A. The fixed frame 12B has a protruding edge 12b at a right angle to the tip edge thereof.
A holding frame 12D is formed opposite to the mounting frame 12A.
A holding edge 12d is provided at right angles to the tip edge of the
is formed facing the mounting frame 12A, and the holding frame 1
A storage groove 12a is formed surrounded by the holding edge 12ds and the mounting frame 12A.
A frame side packing material 14 is attached to the frame side packing material 14. This frame-side packing material 14 has a pentagonal cross section, and is bonded to the inner surface of the storage groove 12a with its sloped portion 14a facing outside the opening of the storage groove 12a and away from the mounting frame 12A. . Further, claw portions 12e having an L-shaped cross section are formed on the claw plate 12E by cutting and raising a part of the claw plate 12E at predetermined intervals in the length direction, and the tips of the claw portions 12e are connected to the fixed frame 12B. is directed towards. Furthermore, door frame 12
A sealing material 15 is stretched over the entire circumference of the fixed frame 12B on the back side of the fixed frame 12B, and the sealing material 15 slightly protrudes outward from the tip of the projecting edge 12b.

The locking plate 13 has an L-shaped side surface consisting of a support plate 13a and a locking plate 13b.
Screw holes are formed at appropriate positions on the support plate 13b at appropriate distances in the longitudinal direction of the support plate 13b, and bolts 16 are screwed into each of these screw holes, while the locking plate 13b has the A square locking hole 13c is formed corresponding to the screw hole. The locking holes 13c are sized to allow the claw portions 12e to be inserted therethrough, and the spacing between the locking holes 13c is the same as that of the claw portions 12e.

The door frame 12 has the sealing material 15 and the protruding edge 12b in contact with the front side of the opening periphery of the partition plate 10a, and the mounting frame 12A facing the inner peripheral surface of the opening 10c of the partition wall 10. It is inserted into the opening 10c. Moreover, each locking plate 13 passes the claw portion 12e of the door frame 12 through each locking hole 13c,
It is provided around the door frame 12 by hooking the claw portion 12e onto the locking plates 13b and 13e. And furthermore,
The door frame 12 presses the support plate 13a against the heat insulating material 10b around the opening 10c, and further presses each bolt 16.
By penetrating and pressing the heat insulating material 10b onto the back surface of the partition plate 10a, the partition plate 10a is held between the fixing frame 12B and each bolt 16, and the partition wall 10
is attached to.

On the other hand, the door 11 includes a door body 11A made of a metal plate into a shallow box shape, a heat insulating material 11B such as glass wool filled in the door body 11A, and a door covering the opening surface of the door body 11A. The door body 11A includes a metal back plate 11c provided on the inside of the mounting frame 12A of the door frame 12.
It is sized to be inserted with a slight interval between the door frame 12 and the door frame 12, and is attached to the fixed frame 12B of the door frame 12 by a pair of upper and lower hinges 17 so as to be horizontally rotatable. In addition, a groove 11a is formed on the peripheral edge of the back surface of the door 11 over the entire circumference of the back surface of the door 11, and on the outer peripheral side of the groove 11a, the peripheral edge of the back plate 11 and the door body 11A are formed. A convex edge 11b is formed by the peripheral edge, and the convex edge 11b is attached to the frame side packing material 1 of the door frame 12 when the opening 10c is closed by the door 11.
It is designed to come into pressure contact with 4. In addition, the groove 11
In a, a door side packing material 18 with a pentagonal cross section is shown.
is bonded with its sloped part 18a facing outward from the corner of the door 11, and the door-side packing material 18 is adapted to come into pressure contact with the sloped part 18a of the frame-side packing 14 when the door 11 is closed. Furthermore, 19 in the figure is door 1
1 in the closed state, the locking piece 19a is held in the holding frame 1 of the door frame 12.
A handle member for locking the door 11 by coming into contact with 2D is shown.

To attach the door frame 12 configured as described above to the partition wall 10, first, open the opening 10a of the partition wall 10.
The mounting frame 12A of the door frame 12 is inserted into the opening 10a, and the mounting frame 15 is brought into contact with the surface of the partition plate 10a around the opening 10a.
Next, one locking plate 13 is prepared, and the door frame 1
The locking plate 13b of the locking plate 13 is inserted from the back side of the partition wall 10 into the gap between the claw portion 12e on the side of the door frame 12 and the heat insulating material 10b on the side of the door frame 12, and then,
Each claw portion 1 is inserted into each locking hole 13c of the locking plate 13b while slightly crushing the heat insulating material 10b by the support plate 13a.
2e and lock the locking plate 13bD with the claw portion 12e. Next, each bolt 16 is rotated so that the tip of the bolt 16 passes through the heat insulating material 10b, and is brought into pressure contact with the back surface of the partition plate 10a as shown in FIG. 1, thereby completing the attachment of the locking plate 13. Once the installation of one locking plate 13 is completed, the other three
The two locking plates 13 are installed in the same manner as described above, and the installation of the door frame 12 is completed.

In the door 11 provided as described above, by closing the door 11 and hooking the locking piece 19a to the holding frame 12D of the door frame 12 using the handle 19, the frame side packing material 14 and the door side packing material 18 can be attached to each other. The convex edge 1 of the door 11 is pressed into contact with the frame side packing material 14.
1b, and the door frame packing material 18.
Press the tip of the holding frame 12D of the door frame 12 to the door 1.
1 and the door frame 12 can be closed. At this time, by closing the door 11, the frame-side packing material 14 and the door-side packing material 18, the frame-side packing material 14 and the convex edge 11b of the door 11, and the door-side packing material 18 Since the holding frame 12D of the door frame 12 and the holding frame 12D of the door frame 12 are in pressure contact with each other, the configuration is such that the sealing is achieved by pressure contact between three sets of different members. It is possible to obtain higher sealing performance than the conventional structure. Note that if an air conditioner or power distribution equipment is installed inside the partition 10, the door 11 will not fit inside the partition 10.
In order to keep the inside of the partition 10 in a good airtight state, it is possible to keep the installation environment of the various equipment in a good state by shielding the various equipment inside from various weather conditions outside the partition 10, such as wind and rain. can.

"Effect of the invention" As explained above, the present invention has the advantage that the frame-side packing material attached to the storage groove formed in the door frame and the door-side packing material attached to the groove provided on the outer periphery of the door are In the closed state, when the frame side packing material and the convex edge of the door are in the closed state of the door, furthermore, when the door side packing material and the holding frame of the door frame are in the closed state of the door,
3 between different parts in order to abut each other.
A seal is achieved by the contact between the sets, and the door can be closed with a high seal. Therefore, if the present invention is applied to the inspection door of the housing of an air conditioner or power distribution equipment installed on the roof of a building or outdoors, the airtightness inside the housing can be maintained in a good condition, and various This has the effect of eliminating the effects of wind and rain on equipment.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a sectional view taken along the line A--A in FIG. 2, and FIG. 2 is a front view of the door and door frame. 10... Housing (partition body), 10c... Opening, 11... Door, 12... Door frame, 12D... Holding frame, 12a... Storage groove, 12d... Holding edge, 14
...Frame side packing material, 18...Door side packing material,
11a...concave groove, 11b...convex edge.

Claims (1)

[Scope of utility model registration request] It consists of a door frame that is attached to an opening formed in a partition body and a door provided in this door frame, and a holding frame that protrudes inward of the door frame is provided on one side in the depth direction of the door frame. A storage groove is formed around the entire circumference of the holding frame, and a storage groove is formed on the inside of the holding frame, and an outer peripheral portion of the door that faces the storage groove of the holding frame when the door is closed. A concave groove is formed around the entire circumference of the storage groove and the concave groove, and a packing material is attached to the entire circumference of each of the storage groove and the concave groove so that they come into contact with each other when the door is closed. When the door is in the closed state, a retaining edge that comes into contact with the packing material provided in the groove, and on the outer periphery of the door on the outer periphery of the groove, comes into contact with the packing material provided in the storage groove when the door is in the closed state. A door device having a sealing function, characterized in that each convex edge is formed.