JPH10183715A - Trap of drain pit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bad smell prevention mechanism which can prevent bad smell from a drain pit from leaking to the outside completely and can be installed easily. SOLUTION: A bad smell preventing mechanism of a drain pit is provided with a hollow pit main body consisting of a main body upper part 10A and a main body lower part 10B and a rotary lid 10C which is attached centered on a shaft 10D which passes a position which is away from the center of the main body lower part 10B in the main body lower part 10B in such a manner that it can turn freely and opens and closes a lower end opening part of the main body lower part 10B. It consists of a weight 10F which is attached to the rotary lid 10C and energizes the rotary lid 10C in the direction of closing and a horizontal stopper 10G which is engaged with the rotary lid 10C and locks the rotary lid at a position where a lower end opening part of the main body lower part 10B is closed when the rotary lid 10C is energized by the weight 10F and is positioned at the position where the lower end opening part thereof is closed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an odor control device for preventing the odor of drain water from leaking out from a drain basin installed on a factory floor or the like.

[0002]

Generally, floors of factories and the like,
In particular, at an appropriate place such as the floor of a food manufacturing factory, a drainage for collecting drainage flowing to the floor and discharging the collected drainage from a drain pipe buried under the floor to a septic tank is provided. Such a drainage basin is provided with an odor control in order to prevent an odor such as a putrefactive odor of the drainage from rising from the inside of the drainage pipe and diffusing into the room.

FIG. 6 shows a conventional odor control attached to a drainage basin as described above.

In FIG. 6, a drainage trough 1 is a concrete vertical hole formed in a floor of a factory or the like, and a drainage pipe 2 is communicated with a side wall near the bottom of the drainage trough 1.
The drainage flowing into the drainage trough 1 is discharged from the drainage pipe 2 to the septic tank. The bottom of the drainage trough 1 is formed so as to be located further below the portion where the drainage pipe 2 is open.
The drainage is stored in a portion (hereinafter, this portion is referred to as a reservoir portion) 1A below the opening 2a, and does not flow out of the drainage pipe 2.

[0005] The odor stopper 3 is inserted into the drainage trough 1 and constitutes a so-called trap together with the reservoir 1A of the drainage trough 1.

The odor stopper 3 is an iron hollow cylinder in which an upper portion 3A is formed in a funnel shape and a lower portion 3B is formed in a cylindrical shape.
Step A 1B formed on the inner wall of the outer wall of A
The lower part 3B of the odor stopper 3
The lower end opening is positioned coaxially with the drainage basin 1 in a state where it is located in the reservoir 1A.

[0007] In FIG. 6, reference numeral 1 C denotes a grating attached to the opening at the upper end of the drain mast 1.
Is a punching metal attached to the upper end opening of the upper portion 3A of the odor stopper 3.

[0008] In the conventional odor control device 3, when there is no inflow of drainage into the drainage basin 1, the water level of the drainage in the reservoir 1 A is the same as the lower end of the opening 2 a of the drainage pipe 2. As a result, the lower end opening of the lower portion 3B of the odor stopper 3 is submerged in the reservoir 1A, and the drainage pipe 2 and the upper end opening of the odor stopper 3 are drained by the drainage accumulated in the reservoir 1A. The communication is cut off to prevent a bad odor such as a putrefactive odor of the waste water in the drain pipe 2 from flowing out of the drain basin 1 to the outside.

[0009] When the wastewater flows into the drainage basin 1 from the upper opening of the drainage basin 1 through the grating 1C, the odor stop 3 is discharged from the punch hole of the punching metal 3C into a funnel-shaped upper part. The water flows into the portion 3A, drops in the cylindrical lower portion 3B, and is discharged into the reservoir 1A. The drainage discharged into the reservoir 1A overflows due to a rise in the water level of the drainage in the reservoir 1A, and is discharged from the drain pipe 2 to the purification tank.

However, this conventional odor control 3 is
In order to compose a so-called trap, it is necessary to form a reservoir at the bottom of the drainage basin 1 so that the drainage is always kept in the reservoir. There is no inflow for a long time, and the pool 1A due to evaporation
In the case where the water level of the wastewater in the inside falls and the lower end opening of the lower part 3B of the odor stopper 3 is exposed, it becomes impossible to block the odor, and the odor in the drain pipe 2 is removed. There is a danger that the drainage water will leak to the outside through the opening at the upper end of the drainer 1. For this reason, when the odor control 3 is installed, the depth of the reservoir 1A of the drain basin 1 and the depth of the reservoir 1A
It is necessary to finely select the dimensions and the like of the lower part 3B to be inserted into A.

Further, the conventional odor control 3 prevents the odor from leaking from the water surface of the drainage stored in the water storage portion 1A inside the lower portion 3B because the water surface is exposed. I can't do that.

Further, the conventional odor control 3 is periodically extracted from the drainage basin 1 and washed, but at this time, the odor control 3 is made of iron, so that it is very heavy (usually, About 20 kg), thus making this washing operation very labor intensive.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems in odor control provided in a drainage basin for discharging wastewater. That is, it is a first object of the present invention to provide a drainage odor control that can completely prevent odors from leaking to the outside from the drainage basin and is easy to install. Further, a second object of the present invention is to provide an odor control for a drainage basin which can be easily cleaned.

[0014]

[MEANS FOR SOLVING THE PROBLEMS] In order to achieve the first object, the odor control of the drainage masque according to the first invention is installed in the drainage basin provided on the floor, and the odor from the drainage basin is removed. In the odor control to prevent the leakage, the upper outer shape is formed to be almost the same shape as the inner surface shape of the drain muffle, and the hollow upper and lower ends are opened, and the lower part of the main body It has almost the same outer shape as the inner surface of the main body, and is attached to the lower part of the main body so as to be rotatable about a horizontal axis passing through the position off the center of the main body. A lid member that opens and closes, a biasing member that is attached to the lid member and biases the lid member in a direction to lift an end of the lid member having a long distance from the axis, in a direction in which the lid member is attached to the main body; The lid part by a biasing member A closed position locking member that engages with the lid member and locks the lid member at this position when the lid is rotated to the center of the axis and positioned at the position to close the lower end opening of the main body. It is characterized by having.

The odor control of the drainage basin according to the first aspect of the present invention is such that when inserted into a drainage basin provided on the floor and attached, the outer shape of the upper part of the main body of the basin is substantially the same as the inner surface shape of the drainage basin. By being formed into the same shape, the outer wall of the upper part of the main body is in close contact with the inner wall of the drainage basin.
And, in a state where the drainage does not flow into the drainage trough, the lid member attached to the lower part of the main body is pivoted in a direction to close the lower end opening of the main body by the urging force of the urging member, Engagement with the closing position locking member locks the lower end opening of the main body in the closed position, thereby shutting off the gap between the upper end opening and the bottom of the drainage trough.

In this state, when the drainage flows into the drainage basin and the drainage flows into the main body, the lid member in the closed position is centered on the axis passing through a position off the center of the lid member. The end of the lid far away from the axis of the lid is pivoted in a downward direction by the weight of the drainage that has fallen on the lid, and the lower end opening of the main body To release. As a result, the drainage that has flowed into the drainage basin flows down from the lower end opening of the main body to the bottom of the drainage basin, and is further discharged to a septic tank or the like through a water pipe connected to the drainage basin.

As described above, the odor control of the drainage basin according to the first invention is achieved by closing the lower end opening of the main body when the drainage does not flow into the drainage basin. Since the gap between the opening and the bottom is blocked, it is possible to prevent the odor of the drain from leaking from the bottom of the drain to the outside of the drain. Since the accumulated drainage is not exposed from the odor control, odor leakage can be completely prevented. Furthermore, since there is no need to form a reservoir at the bottom of the drainage basin and form a trap between it and the odor control as in the past, it can be installed regardless of the depth of the drainage basin and its installation is easy. is there.

According to a second aspect of the present invention, in the first aspect, the urging member is configured such that the urging member has a short distance from the axis of the lid member. It is a weight attached to the side end.

According to the second aspect of the present invention, since the axis of the lid member passes through a position deviated from the center of the lid member, the distance from the axis to the lid member is reduced by its own weight. Although the rotational moment in the direction in which the long end is lowered acts, the lid member is reduced in the rotational moment by the weight of the weight attached to the end on the short side where the distance from the axis of the lid member is short. By being urged in a direction opposite to the action direction, the end on the long side from the axis is rotated in a direction in which the end is lifted, and the lower end opening of the main body is closed.

According to a third aspect of the present invention, in addition to the configuration of the first aspect, in order to achieve the first object, the drain basin deodorant is attached to the main body, and the lid member is biased. It rotates about the axis center in the opposite direction to the biasing direction of the biasing member against the member. When it is located at the position where the lower end opening of the main body is opened, it engages with the lid member and this position And an open position locking member for locking the lid member.

According to the third aspect of the present invention, the odor control of the drainage basin is such that when the effluent flows into the odor control, it acts on the end portion having a long distance from the axis centering on the axis of the lid member. Since the pressure due to the weight of the drainage becomes greater than the pressure acting on the end side where the distance from the axis is short, the lid member rotates against the biasing force of the biasing member. Open the part. At this time, when the lid member rotates by a predetermined angle, the lid member engages with the open position locking member and further rotation is prevented. This prevents the lower end opening of the main body from being opened more than necessary, thereby minimizing odor leakage when the lower end opening of the main body is opened.

According to a fourth aspect of the present invention, in order to achieve the first object, the odor control of the drainage basin is attached to the inner wall of the main body, and the lid member is provided with the lid member. When the lower end opening of the main body is located at a position to close the lower end opening, the distance from the lower end of the outer peripheral portion of the portion on the end side where the distance from the axis of the lid member is shorter with respect to the axis and the distance from the axis is longer. It is characterized by further comprising a sealing member which seals between the inner wall of the main body and the outer peripheral portion of the lid member, which are in contact with the upper surface of the outer peripheral portion of the portion on the side of the portion.

According to the fourth aspect of the present invention, the odor of the drain basin is prevented by the lid member being locked by the closing position locking member when the lid member is located at the position for closing the lower end opening of the main body. The seal member is in contact with the lower surface of the outer peripheral portion of the end portion where the distance from the axis is short and the upper surface of the outer peripheral portion of the end portion where the distance from the axis is long. The seal between the inner wall of the main body and the outer periphery of the lid member prevents the odor in the drain basin from leaking out, thereby completely preventing the odor from leaking. Can be shut off.

In order to achieve the second object, the odor control of the drainage basin according to the fifth invention is characterized in that, in the first invention, the main body is made of plastic.

The odor control of the drainage basin according to the fifth aspect of the present invention is performed by removing the odor from the drainage basin because the weight of the main body is made of plastic, which is significantly reduced as compared with the conventional iron odor control. Cleaning work performed easily.

[0026]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The preferred embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a side sectional view showing an example of an embodiment of an odor control device according to the present invention, and FIG. 2 is a plan view of the odor control device.

1 and 2, the odor control 10 is
The upper part 1A of the main body is provided at the lower part of the upper part 10A of a plastic body which is formed in a ball shape and whose upper and lower surfaces are opened.
A hollow cylindrical main body lower part 10B having a diameter smaller than the diameter of 0A is integrally connected so as to be coaxial with the main body upper part 10A, and the inside of the main body lower part 10B passes through the lower surface opening of the main body upper part 10A. It communicates with the inside of the main body upper part 10A.

The main body lower portion 10B is made of stainless steel, but may be formed of plastic.

The lower body 10B is attached to the lower body 10B.
A disk-shaped rotating lid 10C having an outer diameter substantially the same as the inner diameter of the lower body 10B is provided inside, and both ends are supported by a peripheral wall of the lower body 10B. It is rotatably supported by a shaft 10D that is horizontally hung.

The shaft 10D is located below the rotating lid 10C, and is connected to the lower surface of the rotating lid 10C via a pair of brackets 10E.

A weight 10F is fixed to the lower surface of the end of the rotating lid 10C on the side where the distance from the shaft 10D is short, and the weight 10F allows the rotating lid 10C to be moved on the side where the distance from the shaft 10D is long. Is urged to rotate in the lifting direction (clockwise direction in FIG. 1).

A rotating lid 10 is provided on the inner wall surface of the lower body 10B.
When C is in a horizontal state, the weight 10
A bracket-shaped stopper 10G is fixed to a position below a portion where the end on the side to which the F is attached opposes, and the rotating lid 10C is urged by the weight of the weight 10F to rotate clockwise in FIG. When rotated, the upper surface of the horizontal stopper 10G engages with the lower portion of the weight 10F, thereby holding the rotating lid 10C in a horizontal state.

On the inner wall surface of the lower body 10B, there are further provided horizontal stoppers 10G at support positions of both ends of the shaft 10D.
The pair of inclined stoppers 10 is located at a position lower than the shaft 10D on the side opposite to the mounting side (left side in FIG. 1).
H is fixed, and engages with the lower surface of the rotating lid 10C when the rotating lid 10C is rotated in a direction (counterclockwise in FIG. 1) in which the weight 10F is lifted by the weight of the drainage as described later. Then, the rotary lid 10C is held in an inclined state.

Four L-shaped support plates 10J are fixed to the outer peripheral surface of the upper end of the main body upper portion 10A so as to be located at both ends having diameters perpendicular to each other, with the upper surfaces thereof being oriented horizontally. And each support plate 10J
It is firmly connected by a cross bar 10K. Then, a punching metal 1 is placed on the support plate 10J.
0L is placed and supported.

As shown in FIG. 3, the odor stopper 10 is inserted into the drainage basin 1 'from above, and the support plate 10J is mounted on a step 1A' formed on the inner wall surface of the drainage basin 1 '. By being engaged, it is supported coaxially with the drainage drum 1 '. At this time, the outer diameter of the upper body 10A is set so that no gap is formed between the outer wall surface of the upper body 10A and the inner wall surface of the drain 1 '. Then, the punching metal 10L is further inserted into the drainage drum 1 'and placed on the support plate 10J, so that the upper end opening of the upper body 10A is covered.

After the odor stop 10 has been inserted, a grating 1C 'is attached to the upper end opening of the drainage basin 1'.

In a state where the drainage is not flowing into the drainage basin 1 ', the odor stopper 10 is provided with the rotating lid 10C as shown in FIG.
As shown by the solid lines in FIGS. 3 and 3, the weight of the weight 10F is urged clockwise in the figure by the weight of the weight 10F.
Is held in a horizontal state by engaging with the horizontal stopper 10G.

As a result, the lower end opening of the lower part 10B of the main body is closed by the rotating lid 10C, and the drain pipe 2 'side of the drain 1' and the upper end opening side are shut off. Odor is prevented from leaking to the outside through the upper opening of the drain 1 '.

In this state, when the wastewater flows into the drainage basin 1 ', the wastewater flows down from the upper part 10A of the main body to the lower part 10B of the main body through the punch holes of the punching metal 10L. At this time, the solid matter that has flowed into the drain 1 'together with the drainage is
When passing through the L punch hole, it is removed from the drainage.

The rotating lid 10C in a horizontal state is supported by the shaft 10D at a position shifted from the center of the rotating lid 10C toward the weight 10F.
Since a large pressure acts on the surface opposite to the side on which the weight 10F is attached across D, a direction opposite to the biasing direction of the weight 10F (see FIG. 3 and 3) to open the lower end opening of the main body lower part 10B.

As a result, the drainage in the odor stopper 10 flows down from the opening at the lower end of the lower body 10B to the bottom of the drain 1 ', and further passes through the drain pipe 2' to the septic tank connected to the drain pipe 2 '. Is done.

When the inflow of drainage into the drainage drum 1 'stops, the rotary lid 10C returns to the original horizontal state again by the urging force of the weight 10F, and closes the lower end opening of the lower body 10B. To cut off the space between the drain pipe 2 'and the top opening of the drain basin 1'.

The odor stopper 10 can be installed in a conventional drainage basin 1 having a reservoir 1A as shown in FIG. 6, but a trap is provided between the drainage basin 1 and the conventional drainage basin. Since there is no need to compose, it is not necessary to provide a reservoir in the drain 1 'in which the odor control 10 is installed, as shown in FIG.

For this reason, by installing the odor control 10 in the drainage basin 1 ′ in which the reservoir section 1 A is not provided,
Drain pipe 2 'for all drain water that has flowed into drain 1
It is not necessary to discharge the wastewater from the drain pipe 1 ', and there is no possibility that the odor from the drain pipe 2' cannot be cut off due to evaporation of the wastewater in the reservoir part as in the conventional case.

Further, this odor control 10 is
Since the lower end opening of the lower portion 10B of the main body is closed by C to block odor, there is no danger that a part of the drainage is exposed to the inside of the odor control and the odor is diffused from the part as in the related art.

Further, since the odor control 10 does not need to form a trap between the drain basin and the drain basin, it can be installed at any depth of the drain basin, and the installation is easy.

The odor control 10 is very lightweight because its main body is made of plastic, so that the odor control 10 collects water for cleaning.
The work of pulling out from the inside becomes easy, and the burden on the worker can be reduced.

FIGS. 4 and 5 show another example of the embodiment of the present invention.

In this example, the lower body 1 of the odor control
In the state where the weight 10F is engaged with the horizontal stopper 10G and the rotating lid 10C is held in a horizontal state on the inner wall surface of the rotating lid 10C, the weight 10F is sandwiched between the shaft 10D of the rotating lid 10C.
The arc-shaped packing 20A abutting on the lower surface of the outer peripheral portion on the side where is attached, and the shaft 10 of the rotary lid 10C
Arc-shaped packing 20B abutting on the upper surface of the outer peripheral portion on the opposite side to the side on which the weight 10F is attached, with D interposed therebetween
Are attached respectively.

In this example, the odor control is performed by the rotating lid 10C.
Is held in a horizontal state and the lower end opening of the lower body 10B is closed, and the lower surface of the outer peripheral portion of the rotating lid 10C on the weight 10F side is the packing 20A, and the upper surface of the outer peripheral portion on the opposite side to the weight 10F is the packing 20B. Respectively, thereby sealing between the outer peripheral portion of the rotating lid 10C and the inner wall surface of the lower body 10B, so that a slight gap between the outer peripheral portion of the rotating lid 10C and the inner wall surface of the lower body portion 10B is provided. Since the odor is prevented from leaking from the odor, it is possible to completely prevent the odor from leaking.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing an example of the best mode of the present invention.

FIG. 2 is a plan view of the same example.

FIG. 3 is a side sectional view showing a state in which the odor stopper of the same example is attached to a drainage trough.

FIG. 4 is a partial side sectional view showing another example of the best mode of the present invention.

FIG. 5 is a plan view of the same example.

FIG. 6 is a side sectional view showing a conventional example.

[Explanation of symbols] 1 '... drain 2' ... drain pipe 10 ... deodorant 10A ... upper body (masu body) 10B ... lower body (masu body) 10C ... rotating lid (lid member) 10D ... shaft (shaft center) 10F: Weight (biasing member) 10G: Horizontal stopper (closed position locking member) 10H: Inclined stopper (open position locking member) 20A, 20B: Packing (seal member)

Claims (5)

[Claims] 1. An odor stop mounted in a drainage basin provided on the floor to prevent odor from leaking out of the drainage basin, the outer shape of the upper part becomes substantially the same as the inner surface of the drainage basin. A hollow skull body that is shaped like this and is open at the top and bottom, and has an outer shape that is approximately the same as the inner surface shape of the lower part of the skull body; A lid member rotatably mounted about a horizontal axis passing through the lid member for opening and closing the lower end opening of the main body, and a lid member attached to the lid member and moving the lid member on the side where the distance from the axis is long. An urging member for urging the end in a direction to lift the end portion; and a position attached to the main body, wherein the lid member is rotated around the axis by the urging member, and a position for closing a lower end opening of the main body. When placed on the lid Odor stopping the catch basin, characterized in that it comprises a closed position locking member for locking the lid member, the engage the timber in this position. 2. The odor control device according to claim 1, wherein the urging member is a weight attached to an end of the lid member on a side closer to the axis from the axis. 3. The lower end opening of the main body, wherein the lid member is attached to the main body, and the lid member rotates around the axis in a direction opposite to the urging direction of the urging member against the urging member. 2. The drain basin according to claim 1, further comprising an open position locking member that engages with the lid member when the lid is located at the position to open the part and locks the lid member at this position. 4. When the lid member is attached to the inner wall of the main body and the lid member is located at a position to close a lower end opening of the main body, the distance from the axis of the lid member across the axis is The outer peripheral lower surface of the shorter end portion and the outer peripheral upper surface of the longer end portion distance from the axis are respectively in contact with the sealing member for sealing between the inner wall of the main body and the outer peripheral portion of the lid member. The odor control of the drainage muffle according to claim 1, further comprising: 5. The odor control of a drainage basin according to claim 1, wherein said main body is made of plastic.