Water-saving device for workshop toilet

Abstract

The utility model discloses a workshop toilet water saving device, including water tank, inlet tube, pre water inlet subassembly, water tank one side intercommunication is provided with L type pipe, be provided with first solenoid valve on L type pipe, be provided with second solenoid valve on inlet tube, pre water inlet subassembly includes storage groove, the bottom intercommunication of storage groove is provided with internal thread mouth, the top intercommunication of storage groove is provided with mounting pipe, the outside activity of mounting pipe is provided with internal thread pipe, the utility model discloses: when sensing a person enters, first close first solenoid valve, open second solenoid valve to make inlet tube first add water to storage groove, add after completion, through closing second solenoid valve and opening first solenoid valve, so that the water in storage groove enters water tank, guarantee every time adding appropriate water, avoid because the water pressure change and lead to the water amount that adds to water tank appears bigger change.

Description

Technical Field

[0001] This utility model relates to the field of water-saving technology for toilets, specifically a water-saving device for workshop toilets. Background Technology

[0002] In industrial settings such as workshops, toilets are often trench-type facilities that require water to be stored in a tank for centralized flushing to meet the needs of frequent use by multiple people. Traditional workshop toilet water supply systems typically consist of an inlet pipe directly connected to a water tank, controlled by a solenoid valve. The bottom of the tank connects to an outlet pipe and a flushing control unit. When use is detected, the solenoid valve opens the outlet pipe to flush the toilet. After flushing, the inlet pipe replenishes the tank to maintain sufficient water for future use. This type of system is simple in structure and can basically meet the daily flushing function of workshop toilets.

[0003] In practical use, traditional workshop toilet water supply systems suffer from various challenges. The complex water usage scenarios in workshops, including production equipment and domestic water use in other areas, lead to real-time fluctuations in water pressure within the supply network. When the network pressure is high, the flow rate of water entering the tank via the inlet pipe increases. Within the same solenoid valve opening time, the amount of water entering the tank exceeds the reasonable amount needed for flushing, resulting in wasted water during subsequent flushes. Conversely, when the network pressure is low, the flow rate of water entering the tank decreases, leading to insufficient water flow within the same opening time. This can result in insufficient water pressure and incomplete cleaning during flushing, requiring additional water to be added, thus increasing overall water consumption. Utility Model Content

[0004] The purpose of this utility model is to provide a water-saving device for workshop toilets to solve the problem mentioned in the background art that different water pressures can easily lead to too much or too little water.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A water-saving device for workshop restrooms includes a water tank, an inlet pipe, and a pre-inlet component. An L-shaped pipe is connected to one side of the water tank, a first solenoid valve is installed on the L-shaped pipe, and a second solenoid valve is installed on the inlet pipe. The pre-water inlet assembly includes a storage tank, the bottom of which is connected to an internally threaded port, and the top of which is connected to an installation pipe, with an internally threaded tube movably disposed on the outside of the installation pipe.

[0006] In a preferred embodiment of this utility model, the top of the L-shaped tube is provided with a first external threaded port, and the internal threaded port is threadedly connected to the first external threaded port.

[0007] In a preferred embodiment of this utility model, the bottom of the water inlet pipe is provided with a second external threaded port, and the internal threaded pipe is threadedly connected to the second external threaded port.

[0008] In a preferred embodiment of this utility model, a sealing ring is provided at the top of the first external threaded port and at the top of the mounting tube.

[0009] In a preferred embodiment of this utility model, a support frame is provided on one side of the outside of the water tank, and the bottom of the storage tank is in contact with the support frame.

[0010] In a preferred embodiment of this utility model, a sanitation toilet sensor water-saving device and a sensor are provided in front of the water tank, and the sanitation toilet sensor water-saving device is electrically connected to all solenoid valves.

[0011] In a preferred embodiment of this utility model, a water outlet pipe is connected to the bottom of the water tank, and a third solenoid valve is installed on the water outlet pipe.

[0012] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

[0013] Beneficial effects: When a person is detected entering, the first solenoid valve is closed and the second solenoid valve is opened, so that the water inlet pipe adds water to the storage tank. After the water is added, the second solenoid valve is closed and the first solenoid valve is opened, so that the water in the storage tank enters the water tank. This ensures that an appropriate amount of water is added each time, and avoids large changes in the amount of water added to the water tank due to changes in water pressure.

[0014] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it according to the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings. The specific implementation methods of this utility model are given in detail in the following embodiments and their accompanying drawings. Attached Figure Description

[0015] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 A schematic diagram of the main structure of the water-saving device in the workshop restroom; Figure 2 A schematic diagram of the side structure of the water tank in the water-saving device for the workshop restroom; Figure 3 A schematic diagram of the connection structure between the water inlet pipe and the storage tank in the water-saving device of the workshop toilet; Figure 4 This is a schematic diagram of the storage tank structure in the water-saving device for the workshop restroom.

[0016] In the diagram: 1. Water tank; 11. L-shaped pipe; 12. First solenoid valve; 13. First external threaded port; 14. Sealing ring; 2. Water inlet pipe; 21. Second solenoid valve; 22. Second external threaded port; 3. Storage tank; 31. Internal threaded port; 32. Installation pipe; 33. Internal threaded pipe; 34. Support frame; 4. Sanitation toilet sensor water-saving device; 41. Sensor; 42. Water outlet pipe; 43. Third solenoid valve. Detailed Implementation

[0017] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0018] Please refer to Figures 1-4 This utility model is a water-saving device for workshop toilets, mainly used for flushing trench-type toilets. It includes a water tank 1 and a water inlet pipe 2. The water tank 1 is a water storage structure, and the water inlet pipe 2 is the water inlet pipe of the water tank 1. A water outlet pipe 42 is connected to the bottom of the water tank 1. A third solenoid valve 43 is installed on the water outlet pipe 42. The water outlet pipe 42 is opened by the third solenoid valve 43, thereby flushing the toilet. The above are conventional technical means for those skilled in the art.

[0019] An L-shaped pipe 11 is connected to one side of the water tank 1. A first solenoid valve 12 is installed on the L-shaped pipe 11 to open it. A second solenoid valve 21 is installed on the inlet pipe 2. A pre-inlet water assembly is also provided, which includes a storage tank 3 for temporarily storing water. The storage tank 3 is available in different capacities to be selected according to actual needs. When a person is detected entering the tank, the first solenoid valve 12 is closed and the second solenoid valve 21 is opened, allowing the inlet pipe 2 to add water to the storage tank 3. After the water is added (a longer waiting time can be allowed to ensure that the storage tank 3 is filled under different water pressures), the second solenoid valve 21 is closed and the first solenoid valve 12 is opened, allowing the water in the storage tank 3 to enter the water tank 1. This ensures that an appropriate amount of water is added each time, avoiding significant changes in the amount of water added to the water tank 1 due to water pressure variations.

[0020] The storage tank 3 has an internally threaded port 31 at its bottom and an installation tube 32 at its top. The top of the installation tube 32 protrudes outward, and an internally threaded tube 33 is movably installed on the outside of the installation tube 32. The bottom of the internally threaded tube 33 protrudes inward and is engaged with the outside of the installation tube 32, allowing for lifting, sliding, and rotation. The top of the L-shaped tube 11 has a first externally threaded port 13, and the internally threaded port 31 is threadedly connected to the first externally threaded port 13. The bottom of the water inlet pipe 2 has a second externally threaded port 22, and the internally threaded tube 33 is threadedly connected to the second externally threaded port 22. The internally threaded port 31 connects to the first externally threaded port 13, and the internally threaded tube 33 connects to the second externally threaded port 22, thereby enabling... The bottom of the water inlet pipe 2 is connected to and connected to the storage tank 3, while the top of the L-shaped pipe 11 is connected to and connected to the storage tank 3. The top of the first external threaded port 13 and the top of the installation pipe 32 are both provided with sealing rings 14. When the storage tank 3 is installed, the sealing ring 14 at the top of the first external threaded port 13 fits against the top of the inner side of the internal threaded port 31, and the sealing ring 14 at the top of the installation pipe 32 fits against the bottom of the second external threaded port 22, thereby sealing the connection sides on the upper and lower sides. The thread can be a fine-pitch triangular thread to effectively avoid loosening. A support frame 34 is provided on one side of the water tank 1. The bottom of the storage tank 3 contacts the support frame 34. When the storage tank 3 is installed, the bottom of the storage tank 3 is supported by the support frame 34 to ensure stability.

[0021] A sanitation toilet sensor-operated water-saving device 4 and a sensor 41 are installed in front of the water tank 1. During installation, the sensor-operated water-saving device 4 and sensor 41 should be installed in a location easily accessible to personnel, which is a standard technique for those skilled in the art. It is not necessary to install them on the water tank 1; they can be installed on a suitable wall surface. The sensor 41 detects personnel entering, thereby cooperating with the sanitation toilet sensor-operated water-saving device 4 to open and close the valves. The sanitation toilet sensor-operated water-saving device 4 is electrically connected to the first solenoid valve 12, the second solenoid valve 21, and the third solenoid valve 43 using RVV copper core PVC insulated PVC sheathed flexible cables. During wiring, the signal output terminal of the water-saving device should be connected to the corresponding control terminal of each solenoid valve. The wiring nodes should be tightly wrapped with insulating tape to prevent short circuits or leakage in humid environments, ensuring stable circuit transmission.

[0022] When sensor 41 detects a person entering the sensing area, it immediately transmits an electrical signal indicating the person's presence to the sanitation toilet's sensor-based water-saving device 4. Upon receiving the signal, the water-saving device, according to a preset control program, synchronously outputs commands to each solenoid valve—first closing the first solenoid valve 12 and simultaneously opening the second solenoid valve 21 to achieve valve control during the pre-filling stage. When sensor 41 detects a person leaving the sensing area, it again transmits a departure signal to the water-saving device. The water-saving device then adjusts its output command, closing the second solenoid valve 21 and opening the first solenoid valve 12. After the water tank 1 has been refilled, the device will proceed according to a preset delay (which can be set according to actual flushing needs). The third solenoid valve 43 is opened (for example, after 10 seconds) to flush water through the water outlet pipe 42. After flushing, the third solenoid valve 43 is automatically closed, thus completing the entire valve linkage control process based on human sensing, achieving on-demand water supply and precise water saving. The model of the first solenoid valve 12 can be 2W-160-15, the model of the second solenoid valve 21 can be 2W-200-20, the model of the third solenoid valve 43 can be 2W-250-25, the model of the sanitation toilet sensor water saver 4 can be AK-801, and the model of the sensor 41 can be HC-SR501. Any of the above models are applicable and are not limited to the above models.

[0023] The working principle of this utility model is as follows: when a person enters, the first solenoid valve 12 is closed and the second solenoid valve 21 is opened, so that the water inlet pipe 2 adds water to the storage tank 3. After the water is added, the second solenoid valve 21 is closed and the first solenoid valve 12 is opened, so that the water in the storage tank 3 enters the water tank 1, ensuring that an appropriate amount of water is added each time, and avoiding large changes in the amount of water added to the water tank 1 due to changes in water pressure.

[0024] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A water-saving device for workshop restrooms, characterized in that: Includes a water tank (1), an inlet pipe (2), and a pre-inlet assembly. An L-shaped pipe (11) is connected to one side of the water tank (1). A first solenoid valve (12) is installed on the L-shaped pipe (11), and a second solenoid valve (21) is installed on the inlet pipe (2). The pre-water inlet assembly includes a storage tank (3), the bottom of which is connected to an internal threaded port (31), the top of which is connected to an installation pipe (32), and an internal threaded pipe (33) is movably provided on the outside of the installation pipe (32).

2. The water-saving device for workshop restrooms according to claim 1, characterized in that, The top of the L-shaped tube (11) is provided with a first external threaded port (13), and the internal threaded port (31) is threadedly connected to the first external threaded port (13).

3. The water-saving device for workshop restrooms according to claim 1, characterized in that, The bottom of the water inlet pipe (2) is provided with a second external threaded port (22), and the internal threaded pipe (33) is threadedly connected to the second external threaded port (22).

4. The water-saving device for workshop restrooms according to claim 2, characterized in that, A sealing ring (14) is provided at the top of the first external threaded port (13) and the top of the mounting tube (32).

5. The water-saving device for workshop restrooms according to claim 1, characterized in that, A support frame (34) is provided on one side of the water tank (1), and the bottom of the storage trough (3) is in contact with the support frame (34).

6. The water-saving device for workshop restrooms according to claim 1, characterized in that, The water tank (1) is equipped with a sanitation toilet sensor water-saving device (4) and a sensor (41) in front of it. The sanitation toilet sensor water-saving device (4) is electrically connected to all solenoid valves.

7. The water-saving device for workshop restrooms according to claim 1, characterized in that, The bottom of the water tank (1) is connected to a water outlet pipe (42), and a third solenoid valve (43) is installed on the water outlet pipe (42).

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