JPH0583080U - Toilet drug supply device - Google Patents

Abstract

(57) [Summary] [Structure] The main flow path 1 for supplying the flush water to the toilet B is connected to the branch flow path 3 so that the lower side in the flow direction of the branch flow path 3 can receive the water-soluble drug 5 and water. And a float 7 that moves up and down by the wash water flowing into the container 6, and a flow path portion from the branch flow path 3 to the container 6 is opened and closed in conjunction with the up and down movement of the float 7. The valve body 8 is provided. When the pressure at the diversion point of the main flow path 1 rises above the supply pressure range of the wash water, the main flow path 1 to the diversion flow path 3
An inflow limiting mechanism 15 is provided to prevent the inflow to or reduce the inflow. [Effect] It is possible to suppress a malfunction of the valve element due to the push-up of the float due to the pressurized air at the time of supplying the cleaning water, and to reliably guide a part of the cleaning water into the container, so that a stable chemical supply can always be achieved. It can be carried out.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an apparatus for supplying a water-soluble chemical such as a disinfectant, a deodorant or a cleaning agent during cleaning in the middle of a flow path for supplying cleaning water to a toilet bowl.

[0002]

[Prior Art]

 Conventionally, as this type of toilet bowl chemical supply device, as shown in FIG. 2, a branch channel 51 is connected in communication with a main channel 50 for supplying cleaning water to the toilet bowl, and the branch side of the branch channel 51 in the flow direction is used. , A float 53 that is connected to the bottom of a container 52 that can receive the water-soluble drug 57 and water and that moves up and down by the wash water that flows into the container 52, and in conjunction with the vertical movement of the float 53. The valve body 54 for closing and opening the flow passage portion from the branch flow passage 51 to the container 52 was provided. Further, a flow dividing plate 56 projecting into the main flow passage 50 is integrally formed with the tubular body 55 forming a part of the flow dividing passage 51. Then, when a predetermined amount of cleaning water is supplied from the cleaning tank or the like to the main flow path 50, a part of the branched water flows into the container 52 through the branch flow path 51, and the predetermined amount of cleaning water is supplied to the container 52. Then, the valve body 54 is closed by the upward movement of the float 53, and the water-soluble drug 57 contained in the container 52 is dissolved in the wash water. Next, when the wash water in the branch flow channel 51 flows out into the main flow channel 50, the valve body 54 is opened, and the drug solution in the container 52 is supplied to the toilet side via the branch flow channel 51 and the main flow channel 50. Be paid.

[0003]

[Problems to be solved by the device]

 In general, the flush water supply system to the toilet flushes the flush flow of the flush water by flowing it down naturally so that the inside of the main channel 50 is at atmospheric pressure. Therefore, when the toilet is not flushed, the flush channel 50 is flushed. It has a structure without water. Therefore, when a predetermined amount of cleaning water is supplied from the cleaning tank or the like to the toilet side through the main flow path 50 when cleaning the toilet bowl, if the cleaning water flows down with the main flow path 50 completely blocked, The air present in 50 may flow rapidly in the same direction while being pressurized by the wash water. In this case, the pressure of the compressed air may become higher than the permissible pressure range of the washing water, and when a part of the compressed air having the high pressure flows into the container 52 through the branch passage 51, the container 52 concerned. The float 53 inside may be pushed up. When the valve body 54 is closed by pushing up the float 53 and the washing water is filled in the branch passage 51 in this state, the valve body 54 is kept in the closed valve position by the pressure of the filled washing water. It will be. As a result, since the valve body 54 is kept in the closed posture until the wash water in the branch flow channel 51 flows into the main flow channel 50, the wash water is not supplied into the container 52, and the toilet bowl is washed with the drug solution. There was a problem that I could not do it. In particular, such a phenomenon is likely to occur in the lower floors of the elevated tank water supply system. The present invention has been made in view of the above circumstances, and an object thereof is to suppress malfunction of a valve body due to compressed air generated when supplying wash water, and to perform stable drug supply. The point is to be able to do it.

[0004]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, in the present invention, a branch channel is connected in communication with a main channel for supplying flush water to a toilet bowl, and the lower side in the flow direction of this branch channel can receive a water-soluble drug and water. And a float that moves up and down by the wash water that flows into the container, and the flow path part from the branch flow channel to the container is closed and opened in conjunction with the vertical movement of the float. In a toilet bowl drug supply device provided with a valve body, when the pressure at the diversion point of the main flow path rises above the supply pressure range of wash water, it blocks the inflow from the main flow path to the diversion flow path or its It is characterized by the provision of an inflow restriction mechanism that reduces the inflow volume, and the actions and effects of it are as follows.

[0005]

[Action]

 When cleaning the toilet bowl, the cleaning water supplied from the cleaning tank, etc. flows down with the main flow path completely blocked, and the air present in the main flow path is pressurized above the supply pressure range of the cleaning water. When the fluid flows rapidly in the same direction, the inflow limiting mechanism provided at the diversion point of the main flow passage operates to prevent pressurized air from flowing into the diversion flow passage from the main flow passage, or to reduce the inflow amount. .. Therefore, the push-up of the float due to the pressurized air can be suppressed and the valve body can be maintained in the open state. Then, when the wash water following the pressure air reaches the branching point in the main flow path and the pressure at the branching point returns to within the wash water supply pressure range, the inflow limiting mechanism releases the inflow restriction. A part of the washing water flows into the container through the branch channel. When a predetermined amount of washing water is supplied into the container, the valve moves due to the rising movement of the float, and the water-soluble drug contained in the container is dissolved in the washing water. Then, when the cleansing water in the branch channel flows out to the main channel, the valve body operates to open the valve, and the drug solution in the container is supplied to the toilet side via the branch channel and the main channel.

[0006]

[Effect of the device]

 Therefore, it is possible to reliably guide a part of the washing water into the container by suppressing the malfunction of the valve element due to the push-up of the float due to the pressurized air when supplying the washing water, and to always provide a stable chemical supply. I was able to do it.

[0007]

【Example】

FIG. 1 shows a toilet chemical supply device according to the present invention, in which a branch flow is formed in the middle of a main supply pipe 2 which constitutes a part of a main flow passage 1 for cleaning water from the cleaning tank A to the toilet B, which is open to the atmosphere. The flow dividing pipe 4 forming the passage 3 is connected and connected, and the lower end portion in the flow direction of the flow dividing pipe 4 has a bottom side of a container 6 capable of receiving a water-soluble solid chemical agent 5 such as an aromatic antifouling agent and washing water. And a spherical float 7 that moves up and down by the wash water flowing into the container 6, and the flow path portion from the branch flow path 3 to the container 6 is closed in conjunction with the vertical movement of the float 7. A valve body 8 to be opened is provided. The bottom wall portion 6a of the container 6 is provided with a first attaching member having a small-diameter first male screw portion 9a, a large-diameter second male screw portion 9b, and a collar portion 9c located between these two 9a, 9b. 9 and a second mounting member 10 formed with a female screw that can be screwed into the first male screw portion 9a are provided between the outer surface of the bottom wall portion 6a and the collar portion 9c of the first mounting member 9. It is screwed and fixed from inside and outside of the container 6 with the packing 11 interposed therebetween, and the valve body 8 is housed in the second male screw portion 9b of the first mounting member 9 so as to be vertically movable. The tubular member 12 is screwed and fixed by the O-ring 13 in a water-stopped state. The first mounting member 9 has a through hole 9d that exposes a flow path around a rod 14 that connects the float 7 and the valve body 8, and a valve seat 9e that contacts the valve body 8 when the valve is closed. Has been formed. The second mounting member 10 communicates with the through hole 9d of the first mounting member 9 and has a T-shaped communication opening to the inside of the container 6 in a direction orthogonal to the axial direction of the rod 14. The hole 10a is formed. One end of the flow dividing pipe 4 is screwed and connected to the peripheral wall surface of the tubular member 12 in a watertight state. Then, at the flow dividing portion of the main flow passage 1, when the pressure at the flow dividing portion rises above the supply pressure range of the wash water, the inflow restriction mechanism 15 that closes the opening a from the main flow passage 1 to the flow dividing passage 3 Is provided. The inflow restricting mechanism 15 is a valve body 15A having a downward U-shaped cross section that is slidable in the flow direction along the inner surface of the main supply pipe 2, and urges the valve body 15A to move upward in the flow direction. An annular pressure receiving surface 15a is formed on the upstream side in the flow direction of the valve body 15A. The valve body 15A does not operate in the normal supply pressure range of the wash water (1 to ² kg / cm ² ), and the wash water supplied from the wash tank A flows down with the main flow path 1 completely closed. When the air existing in the main flow path 1 rapidly flows in the same direction while being pressurized to the supply pressure range of the wash water (1 to ² kg / cm ² ), the elastic biasing force of the coil spring 15B is resisted. Then, it slides downward in the flow direction and closes the opening a from the main flow path 1 to the branch flow path 3.

[Other Embodiments] In the inflow restricting mechanism 15 of the above embodiment, when the pressure at the diversion point of the main flow passage 1 rises above the supply pressure range of the wash water, the flow from the main flow passage 1 to the diversion flow passage 3 is increased. Although the opening a is configured to be closed, the opening area from the main flow channel 1 to the branch flow channel 3 is reduced when the pressure at the branching point of the main flow channel 1 rises above the supply pressure range of the wash water. May be.

In the above embodiment, the inflow limiting mechanism 15 is composed of the valve body 15A and the coil spring 15B. However, the inflow limiting mechanism 15 is not limited to such a mechanical type. A pressure sensor that detects pressure at a location or slightly upstream thereof, and an electromagnetically actuated device that closes the opening from the main flow path 1 to the branch flow path 3 or reduces the opening area based on the detection signal of this pressure sensor. It may be configured with the valve body of.

Further, when such an electromagnetically actuated valve body is used, the mounting position is not limited to the branching point of the main flow channel 1, but may be any flow channel portion from the branch flow channel 3 to immediately before the container 6. Can be installed in any position.

Further, although the float 7 and the valve element 8 are connected by the rod 14 in the above embodiment, they may be linked by using a link or the like. In short, any structure may be used as long as the valve body 8 can be closed and opened in conjunction with the vertical movement of the float 7.

Further, in the above-described embodiment, the chemical supply device of the present invention is attached to the flush water supply system from the flush tank A to the toilet B, but a flush water supply system in which a flush valve is provided instead of the flush tank Can also be attached to.

It should be noted that reference numerals are added to the claims of the utility model for convenience of comparison with the drawings, but the invention is not limited to the configurations of the accompanying drawings by the entry.

[Brief description of drawings]

FIG. 1 is a sectional view showing a medicine supply device for toilet bowl of the present invention.

FIG. 2 is a cross-sectional view showing a conventional toilet bowl drug supply device.

[Explanation of symbols]

 B Toilet bowl 1 Main flow path 3 Divided flow path 5 Drug 6 Container 7 Float 8 Valve body 15 Inflow restriction mechanism

Claims (1)

[Scope of utility model registration request] 1. A main flow path (1) for supplying flush water to a toilet bowl (B) is connected to a branch flow path (3) in communication with the main flow path (3).
The lower side of the flow direction of (3) is communicatively connected to the bottom of the container (6) capable of receiving the water-soluble drug (5) and water, and the float (7) which moves up and down by the wash water flowing into the container (6). ) And a valve body (8) for closing and opening the flow passage portion from the branch flow passage (3) to the container (6) in conjunction with the vertical movement of the float (7). Therefore, when the pressure at the diversion point of the main flow path (1) rises above the supply pressure range of the wash water, the inflow from the main flow path (1) to the diversion flow path (3) is blocked or the inflow amount thereof. A medicine supply device for toilet bowl, which is provided with an inflow limiting mechanism (15) for reducing the flow rate.