JP2727068B2 - Inspection port for sanitary unit - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an inspection port for a sanitary unit.

[0002]

2. Description of the Related Art Heretofore, this type is as follows. The conventional ceiling inspection opening has a configuration in which a lid is simply placed on a square hole for inspection. Further, the lid is fixed to the frame or ceiling by screwing.

[0003]

The above-mentioned prior art has the following problems. 1. The lid of the ceiling inspection door was lifted by the wind pressure when opening and closing the indoor door, and there was a problem in generating abnormal noise and airtightness. 2. Many installations were troublesome, such as fixing aluminum or other shapes to the ceiling with screws. 3. In the case of fixing by screwing, a tool such as a screwdriver is required, and the head of the screw is visible, which impairs the aesthetic appearance. The present application has been made in view of such problems of the conventional technology, and an object of the present invention is to provide a device that can solve the above-described problems.

[0004]

Means for Solving the Problems In order to achieve the above object, the present invention is as follows. That is,
In the present application, a ceiling inspection opening frame 3 and an inspection lid 4 are provided, and the lid is fixed by fitting a projection on the inspection lid 4 into a notch provided in the ceiling inspection opening frame 3. Inspection port for sanitary unit. In addition to the above, the following can be performed. 1. The ceiling inspection frame 3 and the inspection lid 4 are constituted by the ceiling inspection opening frame 3 and the inspection lid 4 without gaps through the packing 5. 2. The ceiling inspection opening frame 3 includes front and rear frames 3A attached to front and rear sides 2B of the square hole 2 for inspection, and left and right sides 2C of the square hole 2 for inspection.
The front and rear frames 3A are fitted with the front and rear sides 2B of the square hole 2 for inspection, and have a U-shaped base frame 3A1 and a base frame 3A1. Vertical wall 3A2 erected on the outer edge of the upper surface of the
And a notch 3A configured such that the projection 4A11 of the inspection lid 4 is disengaged from the vertical wall 3A2 at a predetermined interval.
3 and a left and right frame 3B is a base frame 3B1 having a U-shaped cross section toward the outside to be fitted to the right and left sides 2C of the square hole 2 for inspection.
And a vertical wall 3B2 standing upright on the outer edge of the upper surface of the base frame.
And an inspection lid plate 4B stretched inside the outer frame. The outer frame 4A corresponds to the front and rear sides 2B and the left and right sides 2C of the square hole 2 for inspection. Front and rear frames 4A1 and left and right frames 4A2.
Notch 3A3 in the front and rear frames 3A of the ceiling inspection door frame 3
The projection 4A11 of the inspection lid 4 is attached to the notch 3A3 of the ceiling inspection opening frame 3 by locking the projection 4A11 of the inspection lid 4. 3. Notch 3A3 is vertical wall 3A2 in front and rear frame 3A.
A horizontally long rectangular opening 3A32 is continuously provided at the lower end of the front vertical groove 3A31 provided at a predetermined interval. 4. Pin-shaped projections 3C are provided at both ends of the vertical wall 3A2 in the front and rear frames 3A and both ends of the vertical wall 3B2 in the left and right frames 3B.
3, an engagement hole H corresponding to the corner piece 3C is formed.
Is composed of a piece 3C1 and another piece 3C2 obtained by bending a plate having a width substantially equal to the height of the vertical wall 3A2 into a plane L-shape. Pin-shaped projections 3C3 are protrudingly provided, and the front and rear frames 3A and the left and right frames 3B of the ceiling inspection opening frame 3 are placed so as to be alternately adjacent to the front and rear sides 2B and the left and right sides 2C of the square hole 2 for inspection. The piece is configured to be fixed by press-fitting the pin-shaped projection 3C3 into the engagement hole H.

[0005]

Embodiments of the present invention will be described with reference to the drawings. 1 is an inspection port for the sanitary unit of the present invention,
It comprises an inspection square hole 2 opened in the ceiling 2A, a ceiling inspection opening frame 3, and an inspection lid 4. Square hole for inspection 2
The front and rear sides 2B and the left and right sides 2C are formed so as to be continuous in a plane rectangular shape. The ceiling inspection door frame 3 is the front and rear sides 2 of the square hole 2 for inspection.
B, front and rear frames 3A, left and right frames 3B mounted on left and right sides 2C of the square hole 2 for inspection, and corner pieces 3C
It is composed of Therefore, the front and rear frames 3A are provided with a base frame 3A1 having a U-shaped cross section to be fitted to the front and rear sides 2B of the square hole 2 for inspection, and a vertical stand formed continuously on an outer edge on an upper surface of the base frame. It comprises a wall 3A2 and a notch 3A3 having a shape in which a horizontally long rectangular opening 3A32 is continuously provided at the lower end of a front vertical groove 3A31 provided at a predetermined interval in the vertical wall 3A2. The left and right frames 3B include a base frame 3B1 having a U-shaped cross section which is fitted outwardly into the left and right sides 2C of the square hole 2 for inspection, and a vertical wall 3B2 standing upright at the outer edge of the upper surface of the base frame.
It is composed of In this case, both ends of the vertical wall 3A2 in the front and rear frames 3A and the vertical walls 3B in the left and right frames 3B
2, engagement holes H corresponding to the pin-shaped projections 3C3 are formed. Corner piece 3C is vertical wall 3A2
A piece 3C1 and another piece 3C2 obtained by bending a plate having substantially the same width as the height of the piece 3C1 into a plane L-shape.
And the other piece 3C2 has a pin-shaped projection 3C3 corresponding to the engagement hole H.
Is protruding. The inspection lid 4 is composed of an outer frame 4A configured to be detachable from the ceiling inspection opening frame 3 and an inspection lid plate 4B stretched inside the outer frame, and the outer frame 4A has a square hole 2 for inspection. Front and rear frames 4 corresponding to front and rear sides 2B and left and right sides 2C in FIG.
A1 and a left and right frame 4A2 are provided, and the front and rear frames 4A1 are provided with projections 4A11 that engage with and disengage with the notches 3A3 in the front and rear frames 3A of the ceiling inspection opening frame 3. The front and rear frames 3A and the left and right frames 3B of the ceiling inspection opening frame 3 are connected to the front and rear sides 2B of the square hole 2 for inspection.
And the left and right sides 2C alternately adjacent to each other, and the corner pieces are provided at the four corners with the engaging holes H of the pin-shaped projections 3C3.
It is fixed by press-fitting. Further, the front and rear frames 3A, the left and right frames 3B and the corner pieces may be fixed by gluing or screws. The projection lid 4A11 of the inspection lid 4 is locked to the notch 3A3 of the ceiling inspection port frame 3 thus mounted, and the inspection lid is attached. The packing 5 is provided between the ceiling inspection opening frame 3 and the inspection lid 4 over the entire circumference.
Can be provided.

[0006]

Since the present invention is configured as described above, the following effects can be obtained. 1. The inspection lid can be easily and securely fixed by inserting the projection 4A11 into the notch 3A3 of the ceiling inspection frame and sliding the inspection lid. 2. The notch 3A3 of the ceiling inspection door frame can have a role of suppressing the vertical movement of the inspection lid so that the inspection lid does not move against wind pressure generated when the indoor door is opened and closed. In this case, the notch 3A3 of the ceiling inspection port frame and the projection 4A11 of the inspection lid only need to be at least one at a time with the inspection lid center being symmetrical. 3. All-round packing 5 between ceiling inspection opening frame 3 and inspection lid 4
In the case of the one provided with, an inspection port excellent in airtightness can be obtained. 4. The inspection lid 4 can be fixed to the ceiling inspection frame 3 without using screws or tools.

[Brief description of the drawings]

FIG. 1 is a perspective view of a disassembled state.

FIG. 2 is a perspective view illustrating a relationship between a square hole for inspection and a ceiling inspection frame.

FIG. 3 is an enlarged front view of a notched portion in the front and rear frames.

FIG. 4 is a sectional view taken along line AA.

FIG. 5 is a perspective view illustrating an assembled state of a corner portion of the ceiling inspection door frame.

FIG. 6 is a sectional view taken along line BB.

FIG. 7 is a perspective view for explaining another embodiment of the assembled state of the corner portion of the ceiling inspection opening frame.

FIG. 8 is a sectional view taken along line CC.

FIG. 9 is an overall plan view.

FIG. 10 is a front view illustrating a state where the ceiling inspection opening frame and the inspection lid are disengaged.

FIG. 11 is a front view illustrating a state where the ceiling inspection opening frame and the inspection lid are disengaged.

FIG. 12 is a front view illustrating a state where the ceiling inspection opening frame and the inspection lid are disengaged from each other.

[Explanation of symbols]

 1 Inspection port for sanitary unit 2 Square hole for inspection 3 Ceiling inspection port frame 4 Inspection lid

Claims (5)

(57) [Claims] 1. A notch provided in the ceiling inspection frame (3), comprising a ceiling inspection frame (3) and an inspection lid (4).
An inspection port for a sanitary unit, wherein the inspection lid (4) is fitted so that a projection on the inspection lid (4) is fitted to fix the lid. 2. A ceiling inspection port frame (3) and an inspection lid (4), wherein the ceiling inspection port frame (3) and the inspection lid (4) are fixed without a gap through a packing (5). Item 6. An inspection port for a sanitary unit according to Item 1. 3. A front inspection frame (3) attached to front and rear sides (2B) of a square hole for inspection (2).
A), a left and right frame (3B) attached to the left and right sides (2C) of the square hole for inspection (2) and a corner piece (3C), and the front and rear frames (3A) are formed of the square hole for inspection (2). A base frame (3A) having a U-shaped cross section toward the outside to be fitted to the front and rear sides (2B)
1), a vertical wall (3A2) provided upright on the outer edge of the upper surface of the base frame, and a projection (4A11) on the inspection lid (4) is disengaged from the vertical wall (3A2) at a predetermined interval. It is comprised from the notch (3A3) comprised as follows,
The left and right frames (3B) are on the left and right sides (2) of the square hole for inspection (2).
C) Base frame (3B1) with a U-shaped cross section facing outward to fit into C)
And a vertical wall (3B2) standing upright on the outer edge of the upper surface of the base frame, and the inspection lid (4) is detachably connected to the ceiling inspection opening frame (3). (4A),
The inspection frame is composed of an inspection cover plate (4B) stretched in the outer frame. The outer frame (4A) corresponds to the front and rear sides (2B) and the left and right sides (2C) of the inspection square hole (2). (4A
1) and left and right frames (4A2).
In 1), a projection (4A11) that engages and disengages with a notch (3A3) in the front and rear frames (3A) of the ceiling inspection port frame (3) protrudes. ,
The inspection port for a sanitary unit according to claim 1 or 2, wherein the inspection lid is attached by locking a projection (4A11) of the inspection lid (4). 4. A notch (3A3) is formed at a lower end of a front vertical groove (3A31) provided at a predetermined interval in a vertical wall (3A2) of the front and rear frames (3A) and has a horizontally long rectangular opening (3A3).
The sanitary unit inspection port according to claim 3, wherein the inspection port is configured by connecting 2). 5. A vertical wall (3A) in the front and rear frames (3A).
2) and vertical walls (3B) in the left and right frames (3B).
2) An engagement hole (H) corresponding to the pin-shaped projection (3C3) is formed at both ends, and the corner piece (3C) is a flat plate having the same width as the height of the vertical wall (3A2). It consists of one piece (3C1) and another piece (3C2) bent in an L-shape, and the one piece (3C1) and the other piece (3C2) have pin-shaped projections (3C3) corresponding to the engagement holes (H). The front and rear frames (3A) and the left and right frames (3B) of the ceiling inspection opening frame (3) and the left and right sides (2C) of the square hole for inspection (2) are provided.
The inspection port for a sanitary unit according to claim 3, wherein the check pieces are arranged so as to be alternately adjacent to each other, and corner pieces are fixed to the four corners by press-fitting the pin-shaped projections (3C3) into the engagement holes (H).