JP2007100471A - Odor prevention device for sewerage - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To facilitate the installation and operation of a valve element and smoothly open and close the valve element in an odor prevention device for sewerage. <P>SOLUTION: The valve opening and closing the drain port of a water collecting tube part is formed in a mountable mount type opening/closing valve. The valve is mounted through its band plate to face the drain port of the water collecting tube part. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a sewage odor control device for preventing odor escape from a sewage main pipe, which is used in rainwater sewage, sewage sewage sewage pipes and ancillary equipment, and more specifically, The present invention relates to a sewage odor control device that can be used easily and used for a lid part of a pipe attachment.

The present applicant is concerned with this type of sewage odor prevention apparatus. Japanese Utility Model Publication No. 61-23105 (Reference 1), Japanese Utility Model Publication No. 61-41823 (Reference 2), Japanese Patent Application Laid-Open No. 11-13121 (Reference 3). And JP-A-11-50519 (Reference 4).
That is, in the sewage odor prevention apparatus already proposed in the literature 1, "in the sewer cover having a water collection hole, the upper part is opened on the lower surface of the sewer cover corresponding to the water collection hole, and the bottom part is flowing water. A bottomed box-shaped water collection receiving box having a side opening on the side face of the inclined surface and a valve seat formed on an end surface of the side opening. At the side opening of the water collection box is attached an elastic valve element that always closes the valve seat by its own weight and opens by the water pressure of the flowing water flowing into the water collection box ” Is taken. As a result, the odor generated in the sewage main pipe is prevented from escaping to the outside by the present apparatus, and the elastic valve body is opened against rainwater to smoothly perform the drainage function.
In these sewer odor prevention devices, the side opening (drainage port) of the water collection box (collection tube) is opened and closed with an elastic valve body made of rubber. Then, the deterioration gradually proceeds, and the elastic valve body is replaced for further reuse of the water collection receiving box body.
The replacement of the elastic valve body is performed in a state where the valve body is fixedly fitted with a fitting (References 1 and 2) or a fixing pin (References 3 and 4), and the valve body is removed and eventually attached. However, it requires work and is difficult. The strong fixation of the valve body also slows the opening / closing operation of the valve body, has poor operability, and is expected to be improved.
Japanese Utility Model Publication No. 61-23105 Japanese Utility Model Publication No. 61-41823 JP-A-11-13121 Japanese Patent Laid-Open No. 11-50519

The present invention has been made in view of the above circumstances, and in this kind of sewer odor prevention apparatus, the valve body can be easily attached and removed, and the sewage odor prevention apparatus can be operated smoothly. The purpose is to provide.
For this reason, the present invention achieves this object by taking the novel idea of separating the valve body into a band plate and a valve body interlocked with the band plate, and providing the band plate for attachment / detachment. It is.
In addition, another object is to achieve continuity with replacement of the rubber elastic valve in the conventional sewage odor prevention apparatus of this type, and to enable reuse.

The sewage odor prevention apparatus of the present invention specifically adopts the following configuration.
That is, according to the first aspect of the present invention, as described in claim 1, in a sewage odor prevention apparatus comprising a water collecting cylinder portion in which a water collecting port is formed above and a drain port is formed on a side.
Around the drain port of the water collecting cylinder part, there is a valve seat that forms the same plane, and the valve seat part is inclined outwardly vertically or downward, and a plurality of water collecting cylinder parts above the drain port are provided in the water collecting cylinder part. The first mounting holes are opened side by side horizontally,
A band plate having a second mounting hole corresponding to the first mounting hole and having a first bracket at the upper part of the drainage port of the water collecting cylinder portion is interposed between the first mounting hole and the second mounting hole. Fixed with a fixing tool,
And a non-deformable opening and closing having a second bracket pivotally attached to the first bracket of the band plate and having a flat plate valve portion covering the valve seat via the second bracket. The valve body is attached,
It is characterized by that.
In the above configuration, the assembly of the band plate and the open / close main valve body interlocked with the band plate constitutes an “attached open / close valve”.
In the above configuration,
1) The strip is at least equal to the width of the water collecting cylinder, and the first bracket is disposed at both ends of the strip,
2) The first bracket is placed symmetrically at the middle position of the strip,
3) The fixture should be bolts and nuts,
4) The fixture is a blind rivet,
Is a technical matter that is adopted as appropriate.

(Function)
The odor control device is installed by placing the water collecting cylinder portion below the lid portion of the rainwater or sewage basin having a water collecting hole with or without the top plate.
The water collecting port of the odor preventing apparatus is disposed at a position corresponding to the water collecting hole of the lid.
Odor generated from the sewer is blocked by closing the mounted on-off valve. The inflow water due to the rain flows from the inside of the water collection cylinder toward the drain, and opens the mounted on-off valve.
In the assembly of this device, the mounting operation of the mounting type on / off valve to the water collecting cylinder part corresponds to the first mounting hole of the water collecting cylinder part and the second mounting hole of the band plate, and the fixing tool is mounted to these mounting holes. Made by doing.
Removal is easily accomplished by removing the fixture.

According to a second aspect of the present invention, as described in claim 6, in a sewage odor prevention apparatus including a water collecting cylinder portion in which a water collecting port is formed above and a drain port is formed on a side.
Around the drain port of the water collecting cylinder part, there is a valve seat that forms the same plane, and the valve seat part is inclined outwardly vertically or downward, and a plurality of water collecting cylinder parts above the drain port are provided in the water collecting cylinder part. The first mounting holes are opened side by side horizontally,
A band plate having a second mounting hole corresponding to the first mounting hole is fixed with a fixture interposed between the first mounting hole and the second mounting hole at the upper part of the drainage port of the water collecting cylinder portion. And
And a non-deformable on-off valve body having a flat valve portion covering the valve seat via a hinge is attached to the band plate.
It is characterized by that.
In the above configuration,
1) The fixture should be bolts and nuts,
2) The fixture is a blind rivet,
Is a technical matter that is adopted as appropriate.
The second invention confirms that the mounted on-off valve is not limited to the bracket type, and may be any one having a predetermined function. The hinge mode shown in FIG. 10 belongs to the present invention.

According to the sewage odor prevention apparatus of the present invention, the non-deformability of the on-off valve body of the mounted on-off valve does not cause turning or warping as in the case of a conventional rubber elastic valve, and a good deodorizing action can be maintained for a long time. Moreover, the attachment type on-off valve receives an opening / closing action around the pivot axis, and the opening / closing is smoothly performed.
Further, in the assembly of the deodorization apparatus, the attachment of the book-mounted on-off valve to the water collecting cylinder portion is facilitated by attaching a fixture through a band plate, and an efficient operation is performed.
Further, the mounting hole of the odor prevention apparatus having the conventional rubber elastic valve is used as it is, and the old odor prevention apparatus can be reused.

An embodiment of a sewage odor prevention apparatus of the present invention will be described with reference to the drawings.
(First embodiment)
1-6 shows one Embodiment (1st Embodiment) of the odor prevention apparatus for sewers of this invention. That is, FIGS. 1 to 3 show the overall configuration of each side of the sewer odor control apparatus S, and FIGS. 4 to 6 show the configuration of each part of the sewage odor control apparatus S.

As shown in FIGS. 1 to 3, this odor prevention device for sewerage (hereinafter referred to as “odor prevention device”) S includes a top plate portion 1, two side plates 2, upper and lower front plates 3, 4, and a bottom plate 5. And a mounting-type on-off valve 7 is mounted on the lower front plate 4 of the water collecting cylinder 6 via a fixture 8. The top plate portion 1 and the water collecting tube portion 6 constitute a “box” of the odor preventing apparatus S.
In the odor prevention apparatus S, the drain outlet from which the running water is discharged, that is, the side on which the mounting type on-off valve 7 is arranged is the front part, and the apparatus itself is the left and right.

Hereinafter, the detailed configuration of each part will be described.
Top plate part 1 (see FIGS. 1 to 3)
The top plate portion 1 has a rectangular flat plate shape having a rectangular insertion port 1a slightly closer to the rear at the center. Moreover, it is mounted on the upper edge part of the main body of rainwater with the edge.
The top plate portion 1 has a rectangular planar shape in the illustrated example, but may take a circular shape in some cases.

Water collecting tube 6 (see FIGS. 1 to 3)
The water collecting cylinder portion 6 includes a right and left side plate 2 that is disposed so as to face each other at a predetermined interval, upper and lower front plates 3 and 4 that are disposed across the front end of the side plate 2, and the side plate 2. A box space is formed by a combination of bottom plates 5 arranged across the bottom. Thus, the water collecting tube portion 6 is formed at the water collecting port 6 a whose upper portion communicates with the insertion port 1 a of the top plate portion 1. A drainage port 6b is formed in the front surface of the water collection cylinder 6, and rainwater flowing from the water collection port 6a flows out of the drainage port 6b through the internal space.
The upper and lower front plates 3 and 4 are divided into upper and lower portions with the refracting portion of the side plate 2 as a boundary corresponding to the front end shape of the side plate 2 that determines the side shape of the water collecting cylinder 6. If the front end shape is a straight line, the top and bottom are integrated and one sheet may be used. The bottom plate 5 also has a curved shape corresponding to the lower end shape of the side plate 2, but takes a flat shape if the lower end of the side plate 2 is linear.

(Side plate 2)
The side plate 2 has a predetermined shape and is disposed with a relative spacing at a predetermined interval. In the illustrated example, the front end portion has a constriction, but it is not particularly limited to this shape as described above. The same applies to the bottom.
(Upper front plate 3)
The upper front plate 3 is disposed between the side plates 2 at the upper part of the front end of the side plate 2. Although the upper front plate 3 is separated from the lower front plate 4 in the illustrated example, it can be integrated with the lower front plate 4 as described above.

(Lower front plate 4)
The lower front plate 4 is disposed across the side plates 2 at the lower portion of the front end of the side plate 2 and has an opening as a drainage port 6b, on which the valve body sits around the opening 6b. The valve seat 10 is projected. The valve seat 10 forms the same plane. The valve seat 10 has an inclination of α with respect to the vertical plane, and inclines outwardly downward. Α may be 0 °, that is, a vertical shape. Although the valve seat 10 as a projecting body may be omitted in some cases, in this case, the flat surface of the lower front plate 4 functions as a valve seat.
In the upper part of the lower front plate 4, a plurality of (at least 2, in the present embodiment, 4) first mounting holes 12 are opened while maintaining the same level.

(Bottom plate 5)
The bottom plate 5 is disposed across the side plates 2 at the lower end of the side plate 2. Longitudinal strips are formed on the upper surface of the bottom plate 5 to guide the flow of running water as appropriate.

The members 2, 3, 4 and 5 constituting the top plate 1 and the water collecting cylinder 6 are made of metal thin plates. As such a metal thin plate, a soft material, usually tin (galvanized steel plate) or tin plate (tin-plated steel plate) is used. In particular, stainless steel is suitable. These thin plate joints are joined together by turning back, screwing or welding.
In addition, it is not limited to a metal raw material, The use of another raw material (for example, synthetic resin material) is not prevented.
Furthermore, as shown in the above documents 3 and 4 with these members, it does not preclude assembly.

Mounted on-off valve 7 (See Figs. 4-6)
The attachment type on-off valve 7 includes a band plate 14 having a bracket and an on-off valve body 16 pivotally attached to a first bracket 15 of the band plate 14. Thus, the band plate 14 is fixed to the upper portion of the lower front plate 4 with the fixture 8, and the on-off valve body 16 is pivotally attached to the first bracket 15 of the band plate 14 to open and close the opening 6 b of the lower front plate 4.
A metal or a hard synthetic resin is used as the material of the mounting type on-off valve 7 because of non-deformability / hardness requirements, but stainless steel is recommended from the viewpoint of rust prevention.

Specifically, the band plate 14 is formed of a hard band-like body, and has a first bracket 15 that is bent at right angles at both ends and protrudes to the front surface. The band plate 14 is provided with a second mounting hole 18 having the same phase corresponding to the first mounting hole 12 on the upper portion of the lower front plate 4. At the fixed mounting position, the first mounting hole 12 and the second mounting hole 18 coincide with each other, and the fixture 8 is mounted over both the holes 12 and 18. A pin hole 19 is opened in the first bracket 15.
The on-off valve body 16 includes a flat plate valve portion 21 that covers the valve seat 10 and has a substantially flat plate shape, and a second bracket 22 that extends upward at the upper ends of both sides of the flat plate valve portion 21. The flat valve portion 21 is mainly composed of a rectangular flat plate portion 23 having a predetermined length and width that sufficiently covers the valve seat 10, and in this embodiment, a bent portion 23 a at both side edges and a bent portion 23 b at the lower edge, Have
The second bracket 22 is connected to the upper end of the side edge bent portion 23a of the flat plate portion 23, and is fixed integrally. The distance between the second brackets 22 is slightly larger than that of the first brackets 15 on both sides of the band plate 14.
A pin hole 24 is formed in the second bracket 22 corresponding to the pin hole 19 of the first bracket 15. The first bracket 15 and the second bracket 22 are brought into contact with each other via a washer 25, and a pin 26 is pivotally attached to the pin holes 19 and 24 thereof.

With this configuration, the mounting type on-off valve 7 is integrated with the band plate 14 and the on-off valve body 16, and the on-off valve body 16 opens and closes around the pin 26 as the center of rotation.
Further, the mounting type on-off valve 7 is pivotally attached via the brackets 15 and 22, and the center of rotation of the on-off valve body 16 protrudes forward and is eccentric, so that the on-off valve body 16 can be opened quickly.

Fixture 8
The fixture 8 attaches the attachment type on-off valve 7 to a predetermined position of the front plate 4 of the water collecting cylinder portion 6. In the present embodiment, the bolt 27 and the nut 28 are employed so that the attachment type on-off valve 7 can be attached to and detached from the front plate 4.
That is, the first mounting hole 12 of the front plate 4 and the second mounting hole 18 of the main mounting type on-off valve 7 are made to coincide with each other, bolts 27 are attached to these holes 12 and 18, and nuts 28 are tightened to mount the mounting type. The on-off valve 7 is attached. The bolt 27 is mounted from the back surface of the front plate 4, and a screw portion is protruded from the front surface, a washer is appropriately inserted, and a nut 28 is screwed and tightened.
The attachment type on-off valve 7 adopts a predetermined arrangement relationship by the attachment with the fixture 8. That is, the flat plate portion 23 of the mounting type on-off valve 7 is in contact with the valve seat 10 evenly and maintains hermeticity. Further, the side bent portion 23a and the lower bent portion 23b go around the lower front plate 4 to improve the sealing performance.

The fixture 8 is not limited to bolts and nuts, and does not exclude other fixing means.
That is, it is a preferable example to use a rivet, in particular, a blind rivet (established in JIS B 01471 (2004)). The blind rivet is made together with the use of a rivet driving tool (riveter). In this case, when the diameter of the first mounting hole 12 is large, a small hole washer is appropriately applied to the back surface of the front plate 4 and a riveter is used, and the washer, the front plate 4 and the belt plate 14 are integrally fixed by caulking with rivets. To do. According to the use of this riveter, the mounting type on-off valve 7 can be quickly fixed.

Installation / Removal Operation of Mountable Open / Close Valve 7 The operation of mounting the fully mounted open / close valve 7 to the water collecting cylinder section 6 is performed according to the following procedure and procedure. In addition, this operation does not ask | require a factory and the field.
Mounting first through insert the bolts 27 of the fixture 8 to the first mounting hole 12.
The mounting type on-off valve 7 faces the front surface of the water collecting cylinder portion 6 and is held in a predetermined state, and the second mounting hole 18 is inserted into the threaded portion of the bolt 27. The nut 28 is screwed and tightened.
Since the correspondence between the first and second mounting holes 12 and 18 is determined, the mounting type on-off valve 7 is held in a predetermined mounting state via the fixture 8.
The nut 28 of the removal fixture 8 is loosened, and the mounting type on-off valve 7 is removed.
Replacement When replacing an old or damaged elastic valve body in the existing odor control device, the mounting hole position of the old odor control device is the same as the odor control device S, and the old position can be used as it is. After the elastic valve body is removed, the mounting type on-off valve 7 is mounted by the above mounting operation.
In the existing odor control apparatus S, the operation for replacing the mounting type on-off valve 7 is easier.

(Installation of this odor control device S)
The odor control device S having the above structure is installed in the following manner against rainwater and sewage.
FIG. 7 shows the installation procedure, in which M is rainwater, R is a road surface, and P is a pavement surface. The rainwater m is composed of a main body 100 and a lid body 102 placed on the upper edge of the main body 100, and a mounting pipe 104 is arranged from the lower part of the main body 100 to communicate with a sewer main under the road. A water collecting hole 102 a is opened in the lid 102.
This odor prevention device S is placed on the top edge of the main body 100 of rainwater M, the water collecting cylinder 6 is arranged in the internal space, and the lid 102 is placed on the top board 1. Placed on. Since the top plate portion 1 is a thin plate, it does not affect the installation of the lid 102.

(Function of this odor prevention device S)
The odor generated from the attachment pipe 104 is blocked by the attachment type on-off valve 7 in the odor prevention apparatus S and does not escape to the ground.
In the rain, rainwater flows in from the water collecting hole 102a of the lid 102, flows into the water collecting tube 6 from the water collecting port 6a of the odor prevention apparatus S, and reaches the drain port 6b. This flowing water pressure opens the on-off valve body 16 of the mounting type on-off valve 7 at the drain outlet 6b, and rainwater flows from the rainwater M through the mounting pipe 104 to the sewer main.

(Effect of the present odor prevention device S)
According to the sewage odor prevention apparatus S of the present embodiment, the non-deformability of the on-off valve body 6 of the mounted on-off valve 7 does not cause turning or warping like a conventional rubber elastic valve, and it has a good deodorizing action for a long time. Can be sustained.
Further, in the assembly of the prevention device S, the mounting type on-off valve 7 is easily made only by attaching the fixture 8 via the strip 14 and exhibits good workability. Further, the fixing tool 8 can be easily removed and is convenient for replacement. In addition, according to use of a riveter, the attachment type on-off valve 7 can be quickly fixed.
Further, when the mounting type on-off valve 7 is opened and closed, the pivoting portion smoothly opens and closes, and durability is improved.
The mounting type on-off valve 7 in this embodiment is pivotally attached via brackets 15 and 22, and the center of rotation of the on-off valve body 16 protrudes forward and is eccentric, so that the on-off valve body 16 can be opened quickly. Thus, drainage action is improved.
The mounting of the mounting type on-off valve 7 is applied to the odor prevention apparatus having the conventional rubber elastic valve together with the use of the fixture 8, and the old odor prevention apparatus is reused.
In addition, the sewage basin with the odor control device S installed has substantially the same configuration as that shown in FIG. 7 except for the sewage inflow pipe from the inside of the building, and its lid 102 is different from the conventional sealed type. What has the hole 102a is used, and the use of grating is also possible depending on the case. This sewage basin is epoch-making as it prevents odors from escaping to the outside and collects water during rainfall, contributing to an increase in the water collection function in the region.

(Other embodiment 1)
The lid 102 of the rainwater masu / sewage masu shown in FIG. 7 has a rectangular shape, and the top plate portion 1 of the odor control device S has a square shape. When 102 has a disk shape, the top plate portion 1 of the odor preventing apparatus S also has a disk shape. In this odor prevention apparatus S, the structure other than that including the insertion port 1a conforms to the aspect of the previous embodiment. In this case, it goes without saying that the water collection port 102 a of the circular lid 102 is included in the region of the insertion port 1 a of the circular top plate 1.

(Other embodiment 2) (Refer FIG. 8, FIG. 9)
In the present embodiment, in the mounting type on-off valve 7, the on-off valve body 16 is attached to the first brackets at both ends of the strip plate 14. However, as shown in FIGS. Can do.
In this aspect, the first bracket 15A of the band plate 14 is provided at an intermediate position, and the on-off valve body 16 is attached via the second bracket 22A pivotally attached to the first bracket 15A with a pin 26. it can. Reference numeral 27 denotes a welded portion between the second bracket 22A and the on-off valve body 16.

Second Embodiment (See FIG. 10)
FIG. 10 shows another embodiment (second embodiment) of the sewage odor prevention apparatus S of the present invention.
In the on-off valve 7A of the odor prevention device S, the strip 14A does not have a bracket but has a second mounting hole 18. The on-off valve body 16A only needs to have the flat plate portion 23 in the previous embodiment. One or a plurality (two in this embodiment) of hinges 40 are attached to the band plate 14A and the on-off valve body 16A. The on-off valve body 16A opens and closes around the pin 40a via the hinge 40.
Also in this embodiment, there exists an advantage which attaches the on-off valve 7A to the water collection cylinder part 6 easily via the strip 14A.

  The present invention is not limited to the above-described embodiments, and various design changes can be made within the scope of the basic technical idea of the present invention.

The top view (one direction arrow view of FIG. 2, FIG. 3) of one Embodiment of the odor prevention apparatus for sewers of this invention. The front view (viewed in two directions in FIGS. 1 and 3). FIG. 3 is a side view thereof (viewed in three directions in FIGS. 1 and 2). 4 is an enlarged view of a portion of FIG. FIG. FIG. 6 is a sectional view taken along line 6-6 in FIG. The figure which shows the installation point to this rainwater masturbation apparatus for this sewer. The front view of the other aspect of an attachment type on-off valve. FIG. The other aspect of the odor prevention apparatus for sewers of this invention is shown, (a) A figure is a front view, (b) A figure is sectional drawing.

Explanation of symbols

  M ... Sewage pipe sewer, S ... Sewage pipe deodorizer, 1 ... Top plate part, 2 ... Side plate, 3, 4 ... Front panel, 6 ... Water collecting cylinder part, 6b ... Drain port, 7 ... Mounting type On-off valve, 12 ... first mounting hole, 14 ... strip, 15, 15A ... first bracket, 16 ... on-off valve body, 18 ... second mounting hole, 22, 22A ... second bracket, 40 ... hinge

Claims (6)

In a sewage odor prevention apparatus comprising a water collecting cylinder portion in which a water collecting port is formed above and a drain port is formed on the side,
Around the drain port of the water collecting cylinder part, there is a valve seat that forms the same plane, and the valve seat part is inclined outwardly vertically or downward, and a plurality of water collecting cylinder parts above the drain port are provided in the water collecting cylinder part. The first mounting holes are opened side by side horizontally,
A band plate having a second mounting hole corresponding to the first mounting hole and having a first bracket at the upper part of the drainage port of the water collecting cylinder portion is interposed between the first mounting hole and the second mounting hole. Fixed with a fixing tool,
And a non-deformable opening and closing having a second bracket pivotally attached to the first bracket of the band plate and having a flat plate valve portion covering the valve seat via the second bracket. The valve body is attached,
An odor control device for sewers.   The sewage odor prevention apparatus according to claim 1, wherein the strip is at least equal to the width of the water collecting cylinder, and the first bracket is disposed at both ends of the strip.   The odor prevention device for a sewer according to claim 1, wherein the first bracket is arranged symmetrically at an intermediate position of the strip.   The odor prevention device for a sewer according to any one of claims 1 to 3, wherein the fixture is a bolt and a nut.   The odor prevention device for sewers according to any one of claims 1 to 3, wherein the fixture is a blind rivet. In a sewage odor prevention apparatus comprising a water collecting cylinder portion in which a water collecting port is formed above and a drain port is formed on the side,
Around the drain port of the water collecting cylinder part, there is a valve seat that forms the same plane, and the valve seat part is inclined outwardly vertically or downward, and a plurality of water collecting cylinder parts above the drain port are provided in the water collecting cylinder part. The first mounting holes are opened side by side horizontally,
A band plate having a second mounting hole corresponding to the first mounting hole is fixed with a fixture interposed between the first mounting hole and the second mounting hole at the upper part of the drainage port of the water collecting cylinder portion. And
And a non-deformable on-off valve body having a flat valve portion covering the valve seat via a hinge is attached to the band plate.
An odor control device for sewers.

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