JP3324670B2 - Inspection door of unit room - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inspection port provided in a side wall of a unit room such as a bathroom and a shower room, a storage panel, and the like.

[0002]

2. Description of the Related Art Inspection ports provided in side walls of a unit room such as a bathroom and a shower room, a storage panel and the like are conventionally provided in FIG.
As shown in FIG. 5, a screw hole was formed in the wall of the periphery of the inspection opening, and a cover for covering the inspection opening was screwed to the wall of the periphery of the inspection opening.

[0003]

The diameter of the screw hole formed in the wall of the peripheral edge of the inspection opening is determined by the inspection hole provided in the side wall of the conventional unit room such as a bathroom or a shower room, a storage panel, or the like. There is a problem in that the lid expands with time due to the removal and attachment of the lid every time, and it becomes difficult to securely attach the lid. In addition, the presence of the screw holes reduces the strength of the wall of the periphery of the inspection opening, and for example, as shown in FIG. 15, there is a problem in that cracks are generated at the corners of the inspection opening. Further, as shown in FIG. 16, there are some irregularities on the surface of the side wall, the storage panel, etc., so that the packing provided between the lid and the wall surface of the inspection opening peripheral edge and the wall surface come into close contact. There was also a problem that high water stopping performance could not be obtained. The present invention has been made in view of the above problems, and a unit room in which a secure attachment of a lid is guaranteed, a strength of a wall of a peripheral edge of an inspection opening is not reduced, and a high water stopping performance is obtained. The purpose of this is to provide an inspection door.

[0004]

In order to solve the above-mentioned problems, according to the present invention, an inspection opening formed in a wall;
An inner frame locked to the periphery of the inspection opening, and a lid covering the inspection opening fixed to the inner frame from the indoor side, wherein the inner frame projects radially inward from the frame main body and the frame main body. A fixing claw and a screw hole for fixing a lid are formed in the frame main body, and the lid is fixed to the frame main body by using a screw. In a preferred aspect of the present invention, a screw hole protrusion protruding inward in the radial direction is formed on the frame body of the inner frame, and the screw hole is formed on the screw hole protrusion. In a preferred aspect of the present invention, the lid has a locking claw that elastically engages with the frame body of the inner frame. In a preferred aspect of the invention, the pawl extends over substantially the entire length of the lid. In a preferred aspect of the present invention, a locking projection protruding radially inward is formed on the frame main body of the inner frame, and the locking claw of the lid elastically engages with the locking projection of the inner frame. . In a preferred aspect of the present invention, the surface of the inner frame facing the lid of the frame body is a smooth surface.

According to the present invention, there is provided a unit comprising a frame body, a frame fixing claw projecting radially inward from the frame body, and a screw hole for fixing a lid is formed in the frame body. Provide an inner frame for fixing the inspection palate of the room. In a preferred aspect of the present invention, a screw hole protrusion protruding radially inward is formed on the frame body, and the screw hole is formed in the screw hole protrusion. In a preferred aspect of the present invention, a locking projection projecting radially inward is formed on the frame body of the inner frame. In a preferred aspect of the present invention, the surface of the frame body facing the lid is a smooth surface.

[0006]

In the inspection opening of the unit room according to the present invention, the frame body is pressed against the wall surface of the periphery of the inspection opening from the inside of the room with the packing interposed therebetween, and the frame fixing claw is bent to form the periphery of the inspection opening. The portion is held between the frame fixing claw and the frame body. Thereby, the inner frame is locked and attached to the wall of the periphery of the inspection opening. A sealant such as a silicone sealant is applied to the outer periphery of the packing and the frame body and to the wall surface near the packing. Thereby, the contact portion between the packing and the wall surface and the contact portion between the packing and the frame body are sealed. With the packing in between, the lid is pressed against the inner frame from inside the room, and the lid is fixed to the inner frame using screws. When the diameter of the screw hole formed in the frame main body increases with time due to the removal and attachment of the lid for each inspection, the inner frame is replaced. This ensures a secure mounting of the lid. Since the screw hole is not formed in the wall around the inspection opening, the strength of the wall around the inspection opening does not decrease. The inner frame is generally formed of a metal plate, and the surface of the inner frame facing the lid generally has little unevenness, so that the packing sandwiched between the lid and the inner frame is in close contact with the inner frame. Thereby, high water stopping performance can be obtained.

When a screw hole projection is formed on the frame body of the inner frame so as to project inward in the radial direction, and the screw hole is formed in the screw hole projection, the frame is formed for forming the screw hole. The material cost is reduced as compared with the case where a wide range in the extending direction of the main body is formed wide. If the lid has a locking claw that elastically engages with the frame body of the inner frame, the locking claw is elastically engaged with the frame body of the inner frame to lock the lid to the inner frame, and Fix the lid to the inner frame using. Since the lid is locked to the inner frame by the locking claw, the number of screws for fixing the lid to the inner frame can be reduced. Thereby, the number of parts is reduced, and the man-hour required for screwing is reduced. When the locking claw of the lid extends over substantially the entire length of the lid, the locking claw functions as a reinforcing material for the lid,
The strength of the lid increases. When a locking projection protruding radially inward is formed on the frame body of the inner frame, and the locking claw of the lid is elastically engaged with the locking projection of the inner frame, the locking claw of the lid is formed. The material cost is reduced as compared with a case where a wide range in the extending direction of the frame body of the inner frame is formed wider for engagement with the inner frame. When the surface facing the lid of the inner frame is finished to a smooth surface by surface treatment, the packing sandwiched between the lid and the inner frame surely adheres to the inner frame. As a result, high water stopping performance can be reliably obtained.

The inspection frame fixing inner frame of the unit room according to the present invention presses the frame main body against the wall surface of the inspection opening peripheral edge from inside the room with the packing interposed therebetween, and bends the frame fixing claw to perform the inspection. The periphery of the opening is sandwiched between the frame fixing claw and the frame main body, so that the opening is attached to the wall of the inspection opening periphery. A sealant such as a silicone sealant is applied to the outer periphery of the packing and the frame body and to the wall surface near the packing. Thereby, the contact portion between the packing and the wall surface and the contact portion between the packing and the frame body are sealed. With the packing in between, the lid is pressed against the inner frame from inside the room, and the lid is fixed to the inner frame using screws. When the diameter of the screw hole formed in the frame main body increases with time due to the removal and attachment of the lid for each inspection, the inner frame is replaced. This ensures a secure mounting of the lid. Since it is not necessary to form a screw hole in the wall around the inspection opening, the strength of the wall around the inspection opening does not decrease. The inner frame is generally formed of a metal plate, and the surface of the inner frame facing the lid generally has little unevenness, so that the packing sandwiched between the lid and the inner frame is in close contact with the inner frame. This allows
High water stopping performance can be obtained.

When a screw hole projection is formed on the frame body of the inner frame so as to project inward in the radial direction, and the screw hole is formed in the screw hole projection, the frame is formed for forming the screw hole. The material cost is reduced as compared with the case where a wide range in the extending direction of the main body is formed wide. When a locking projection protruding radially inward is formed on the frame body of the inner frame, and the locking claw of the lid is elastically engaged with the locking projection of the inner frame, the locking claw of the lid is formed. The material cost is reduced as compared with a case where a wide range in the extending direction of the frame body of the inner frame is formed wider for engagement with the inner frame. When the surface facing the lid of the inner frame is finished to a smooth surface by surface treatment, the packing sandwiched between the lid and the inner frame surely adheres to the inner frame. As a result, high water stopping performance can be reliably obtained.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An inspection port of a unit room according to an embodiment of the present invention will be described with reference to FIGS. As shown in FIGS. 1 to 3, the inner frame 1 is fixed to a frame main body 2 made of a stainless steel plate having a rectangular annular shape in a plan view, and to one surface of the frame main body 2.
And a plurality of frame fixing claws 3 made of a stainless steel thin plate projecting radially inward. A plurality of screw hole projections 4 projecting inward in the radial direction are formed on one long side 2 a of the frame body 2, and screw holes 5 are formed in the screw hole projections 4. On the other long side 2b of the frame main body 2, a plurality of locking projections 6 projecting inward in the radial direction are formed. Frame body 2
A packing 7 having a rectangular annular shape in a plan view is fixed to the other surface of the packing.

As shown in FIGS. 4 to 6, a plurality of screw holes 11 are formed near one long side 10a of a synthetic resin lid 10 which is rectangular in a plan view. A reinforcing member 12 is fixed to the inner surface of the lid 10 so as to be adjacent to the other long side 10b and extend in parallel with the long side 10b and over substantially the entire length of the long side 10b. Locking claws 13 extending along the reinforcing member 12 and over substantially the entire length of the reinforcing member 12 are fixed to the reinforcing member 12 using screws 14. A portion of the locking claw 13 protruding from the reinforcing material 12 in the direction of the long side 10 b of the lid is bent in a direction approaching the lid 10, and the end is further closed.
The elastic locking portion 13a is formed by folding back in a direction away from the main body. A packing 15 having a rectangular annular shape in plan view is fixed to the inner surface of the lid 10.

The inner frame 1 and the lid 10 having the above configuration are attached to the inspection opening provided in the side wall of a unit room such as a bathroom or a shower room, a storage panel, or the like in the following procedure. As shown by an arrow in FIG. 7, the frame fixing claw 3 is bent at an angle of about 90 ° in the direction of the packing 7. As shown by an arrow in FIG. 8, the frame body 2 is inserted into the inspection opening 1 formed in the storage panel A of the unit room with the packing 7 interposed therebetween.
Press firmly against the wall of the 00 rim from inside the room. As shown in FIG. 9, the frame fixing claw 3 projects outside through the inspection opening 100. The packing 7 is sufficiently crushed and the inspection opening 1
It adheres closely to the wall around the 00 rim. As shown by the arrow in FIG.
The frame fixing claw 3 is further bent, and the periphery of the inspection opening 100 is sandwiched between the frame fixing claw 3 and the frame main body 2. As a result, the inner frame 1 is locked and attached to the wall around the inspection opening 100. As shown in FIG. 10, a sealant such as a silicon-based sealant is applied to the outer periphery of the packing 7 and the frame body 2 and the wall surface near the packing 7. Thereby, the contact portion between the packing 7 and the wall surface and the contact portion between the packing 7 and the frame body 2 are sealed.

As shown by the arrow in FIG. 11A, the lid 10 is strongly pressed against the inner frame 1 from the indoor side with the packing 15 interposed therebetween. The packing 15 is sufficiently crushed and the frame body 2
Adhere to As shown by the arrow in FIG.
0 is pushed in the direction from the long side 10a to the long side 10b. As a result, as shown by the arrow in FIG. 11B, the elastic locking portion 13a of the locking claw 13 of the lid 10 is
And elastically engage. Thereby, the lid 10 is locked to the inner frame 1. As shown by the arrow in FIG. 12, the screw 30 is screwed into the screw hole 11 of the lid 10 with the washer 20 interposed therebetween. The screw 30 is screwed into the screw hole 5 of the inner frame 1, and the lid 10 is fixed to the inner frame 1. A cap 40 made of synthetic resin is put on the head of the screw 30. As described above, as shown in FIG.
0, the inner frame 1 and the lid 10 are attached. In addition, in FIG. 13, in consideration of the fact that the storage panel A is made of synthetic resin, a reinforcing member 200 is attached to the periphery of the inspection opening 100 to reinforce this portion.

In the inspection opening of the unit room according to the present embodiment, when the diameter of the screw hole 5 formed in the frame body 2 increases with time due to the removal and attachment of the lid 10 at each inspection. , The inner frame 1 is replaced. This ensures a secure attachment of the lid 10. No screw holes are formed in the wall around the inspection opening 100,
The strength of the wall around the inspection opening 100 does not decrease. Inner frame 1
Is formed of a metal plate, and the surface of the inner frame 1 facing the lid 10 generally has few irregularities, so that the packing 15 sandwiched between the lid 10 and the inner frame 1 is in close contact with the inner frame 1. Thereby, high water stopping performance can be obtained. As shown in FIG. 14, the contact portion between the packing 7 and the wall surface of the periphery of the inspection opening 100 is sealed with a sealing agent such as a silicon-based material.
Water leaks from the abutment between the packing 7 and the wall of the inspection opening 100 even when the packing 7 does not adhere sufficiently to the wall of the inspection opening 100 even if there are some irregularities on the wall of the periphery of the inspection 100. There is no fear.

A screw hole projection 4 is formed on the frame main body 2 of the inner frame 1 so as to project inward in the radial direction, and the screw hole 5 is formed in the screw hole projection 4, so that one point is shown in FIG. As indicated by the chain line, the material cost is reduced as compared with the case where a wide range in the extending direction of the frame main body 2 is formed wide for forming the screw holes 5. As shown in FIG. 13, the portion on the long side 10 b side of the lid 10 is locked to the inner frame 1 by the locking claw 13,
The cover 10 is firmly fixed to the inner frame 1 only by fixing only the portion on the long side 10a side to the inner frame 1 using the screw 30. As a result, the locking claw 13 is not provided, and the long side 1
The number of screws 30 can be reduced as compared with the case where the portion on the 0b side is fixed to the inner frame 1 using the screws 30. Thereby, the number of parts is reduced, and the man-hour required for screwing is reduced. Since the locking claw 13 of the lid 10 extends over substantially the entire length of the lid 10, the locking claw 13 functions as a reinforcing material of the lid 10,
The strength of the lid 10 increases.

A locking projection 6 projecting radially inward from the frame body 2 of the inner frame 1 is formed, and a locking claw 13 of the lid 10 is elastically engaged with the locking projection 6 of the inner frame 1. As shown by the two-dot chain line in FIG. 1, the material cost is lower than in the case where a wide range in the extending direction of the frame main body 2 is formed wider for engagement with the locking claw 13 of the lid 10. Reduce. When the surface of the inner frame 1 facing the lid 10 is finished to a smooth surface by surface treatment,
As shown in FIG. 14, the packing 15 sandwiched between the lid 10 and the inner frame 1 surely adheres to the inner frame 1. As a result, high water stopping performance can be reliably obtained.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above embodiments. For example, although the frame fixing claw 3 is fixed to the frame main body 2 in the above embodiment, the frame fixing claw 3 may be formed integrally with the frame main body 2. Of course, the present invention can be applied to an inspection port formed in a side wall panel of a bathroom other than the storage panel.

[0018]

As described above, in the inspection door of the unit room according to the present invention, when the diameter of the screw hole formed in the frame main body increases with time due to the removal and attachment of the lid every inspection. Replace the inner frame. This ensures a secure mounting of the lid. Since the screw hole is not formed in the wall around the inspection opening, the strength of the wall around the inspection opening does not decrease. The inner frame is generally formed of a metal plate, and the surface of the inner frame facing the lid generally has little unevenness, so that the packing sandwiched between the lid and the inner frame is in close contact with the inner frame. Thereby, high water stopping performance can be obtained.

In the case where a screw hole projection is formed on the frame body of the inner frame so as to project inward in the radial direction, and the screw hole is formed in the screw hole projection, the frame is formed for forming the screw hole. The material cost is reduced as compared with the case where a wide range in the extending direction of the main body is formed wide. If the lid has a locking claw that elastically engages with the frame body of the inner frame, the locking claw is elastically engaged with the frame body of the inner frame to lock the lid to the inner frame, and Fix the lid to the inner frame using. Since the lid is locked to the inner frame by the locking claw, the number of screws for fixing the lid to the inner frame can be reduced. Thereby, the number of parts is reduced, and the man-hour required for screwing is reduced. When the locking claw of the lid extends over substantially the entire length of the lid, the locking claw functions as a reinforcing material for the lid,
The strength of the lid increases. When a locking projection protruding radially inward is formed on the frame body of the inner frame, and the locking claw of the lid is elastically engaged with the locking projection of the inner frame, the locking claw of the lid is formed. The material cost is reduced as compared with a case where a wide range in the extending direction of the frame body of the inner frame is formed wider for engagement with the inner frame. When the surface of the inner frame facing the lid is finished to a smooth surface by surface treatment, the packing sandwiched between the lid and the inner frame surely adheres to the inner frame. As a result, high water stopping performance can be reliably obtained.

In the case where the inner frame for fixing the inspection cover in the unit room according to the present invention is used, the diameter of the screw hole formed in the frame main body increases with time due to the removal and attachment of the cover every inspection. When you do, by replacing the inner frame,
A secure installation of the lid is guaranteed. Since it is not necessary to form a screw hole in the wall around the inspection opening, the strength of the wall around the inspection opening does not decrease. The inner frame is generally formed of a metal plate, and the surface of the inner frame facing the lid generally has little unevenness, so that the packing sandwiched between the lid and the inner frame is in close contact with the inner frame. Thereby, high water stopping performance can be obtained.

When a screw hole projection is formed on the frame body of the inner frame so as to project inward in the radial direction, and the screw hole is formed in the screw hole projection, the frame is formed for forming the screw hole. The material cost is reduced as compared with the case where a wide range in the extending direction of the main body is formed wide. When a locking projection protruding radially inward is formed on the frame body of the inner frame, and the locking claw of the lid is elastically engaged with the locking projection of the inner frame, the locking claw of the lid is formed. The material cost is reduced as compared with a case where a wide range in the extending direction of the frame body of the inner frame is formed wider for engagement with the inner frame. When the surface facing the lid of the inner frame is finished to a smooth surface by surface treatment, the packing sandwiched between the lid and the inner frame surely adheres to the inner frame. As a result, high water stopping performance can be reliably obtained.

[Brief description of the drawings]

FIG. 1 is a plan view of an inner frame constituting an inspection opening of a unit room according to an embodiment of the present invention.

FIG. 2 is a view taken in the direction of arrows II-II in FIG.

FIG. 3 is a view taken in the direction of arrows III-III in FIG. 1;

FIG. 4 is a plan view of a lid constituting an inspection port of the unit room according to the embodiment of the present invention.

FIG. 5 is a view taken in the direction of arrows VV in FIG. 4;

FIG. 6 is a view taken in the direction of arrows VI-VI in FIG. 4;

FIG. 7 is a diagram showing a procedure of an operation of attaching an inner frame and a lid constituting an inspection opening of the unit room to the inspection opening according to the embodiment of the present invention.

FIG. 8 is a diagram showing a procedure of an operation for attaching an inner frame and a lid constituting an inspection opening of the unit room to the inspection opening according to the embodiment of the present invention.

FIG. 9 is a view showing a procedure of an operation of attaching an inner frame and a lid constituting an inspection opening of the unit room to the inspection opening according to the embodiment of the present invention.

FIG. 10 is a diagram showing a procedure of an operation of attaching an inner frame and a lid constituting an inspection opening of the unit room to the inspection opening according to the embodiment of the present invention.

FIG. 11 is a diagram showing a procedure of an operation of attaching an inner frame and a lid constituting an inspection opening of the unit room to the inspection opening according to the embodiment of the present invention.

FIG. 12 is a diagram showing a procedure of an operation of attaching an inner frame and a lid constituting an inspection opening of the unit room to the inspection opening according to the embodiment of the present invention.

FIG. 13 is a cross-sectional view of the inspection port showing a state in which an inner frame and a lid constituting the inspection port of the unit room according to the embodiment of the present invention are attached to the inspection opening.

FIG. 14 is an enlarged view of a portion surrounded by a circle XIV in FIG.

FIG. 15 is a perspective view of a conventional unit room inspection opening showing a mode of a lid attaching operation.

FIG. 16 is a sectional view of a conventional unit room inspection port.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Inner frame 2 Frame main body 3 Frame fixing claw 4 Screw hole protrusion 5 Screw hole 6 Locking protrusion 7 Packing 10 Cover 11 Screw hole 12 Reinforcement material 13 Locking claw 15 Packing 30 Screw A Storage panel 100 Inspection opening

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁷ , DB name) E04F 19/08 101 E04H 1/12 301 A47K 4/00

Claims (10)

(57) [Claims] 1. An inner frame, comprising: an inspection opening formed in a wall; an inner frame locked to a peripheral edge of the inspection opening; and a lid covering the inspection opening fixed to the inner frame from the indoor side. Has a frame main body and a frame fixing claw projecting radially inward from the frame main body, a screw hole for fixing a lid is formed in the frame main body, and the lid is fixed to the frame main body using screws. A unit room inspection door characterized by the following. 2. The screw frame according to claim 1, wherein a screw hole projection is formed on the frame body of the inner frame, and the screw hole is formed in the screw hole projection. Inspection port of the unit room described. 3. The unit room inspection port according to claim 1, wherein the lid has a locking claw elastically engaged with the frame body of the inner frame. 4. The inspection door according to claim 3, wherein the locking claw extends over substantially the entire length of the lid. 5. A locking projection projecting radially inward from the frame body of the inner frame, wherein the locking claw of the lid is elastically engaged with the locking projection of the inner frame. The inspection opening of the unit room according to claim 3 or 4. 6. The inspection door of a unit room according to claim 1, wherein the surface of the inner frame facing the lid is a smooth surface. 7. A unit room inspection, comprising: a frame main body; and a frame fixing claw projecting radially inward from the frame main body, wherein a screw hole for fixing a lid is formed in the frame main body. Inner frame for palate fixation. 8. The unit according to claim 7, wherein a screw hole projection projecting radially inward is formed on the frame body, and the screw hole is formed in the screw hole projection. Inner frame for fixing the inspection palate of the room. 9. The fixing unit according to claim 7, wherein a locking projection projecting radially inward is formed on the frame body of the inner frame. The inner frame. 10. The inner frame for fixing an inspection door in a unit room according to claim 7, wherein a surface of the frame body facing the lid is a smooth surface.