CN221168043U

CN221168043U - Pressurized flushing device based on wastewater reuse

Info

Publication number: CN221168043U
Application number: CN202323034903.5U
Authority: CN
Inventors: 孔宇豪; 方俊; 孙佳; 徐世政
Original assignee: Zhejiang College of Construction
Current assignee: Zhejiang College of Construction
Priority date: 2023-11-10
Filing date: 2023-11-10
Publication date: 2024-06-18
Anticipated expiration: 2033-11-10

Abstract

The application discloses a pressurized flushing device based on wastewater reuse, which comprises: the water collecting tank is used for collecting and containing the treated wastewater; an air pump providing pressurized air; the pressurized flushing unit specifically includes: the water tank is provided with a water outlet and a water inlet communicated with the water collecting tank; the drain valve is movably arranged in the water tank to seal the water outlet; the switch is arranged on the water tank and is linked with the drain valve so as to close or open the water outlet; the pressure air tank is provided with an input port connected with the air pump and an output port provided with a control valve and used for pressurizing the inside of the water tank; the transmission mechanism is connected between the switch and the control valve in a transmission way, and the control valve is opened when the switch is triggered. The pressurized flushing device can collect domestic wastewater by utilizing the water collecting tank, is used for flushing a toilet after filtering, is particularly suitable for reconstruction of a dry toilet in the north, and improves flushing effect by pressurizing pressurized water.

Description

Pressurized flushing device based on wastewater reuse

Technical Field

The application relates to the technical field of washing equipment, in particular to a pressurized flushing device based on wastewater reuse.

Background

With the increasing shortage of water resources, how to effectively manage and utilize limited water resources has become an important issue facing today. Especially in northern China, the phenomenon of water resource shortage is serious due to the influence of climate and geographical environment. Therefore, how to solve the difficulties and problems of domestic wastewater collection and northern dry toilet reconstruction is more beneficial to solving the water resource shortage.

The existing toilet water tanks are difficult to independently utilize and recycle waste water, and the problems of low water supply pressure and the like in some areas are solved, so that the cleaning effect is poor and waste is easily caused.

Disclosure of utility model

The application provides a pressurized flushing device capable of recycling waste water and improving flushing effect.

The application relates to a pressurized flushing device based on wastewater reuse, which comprises:

The water collecting tank is used for collecting and containing the treated wastewater;

An air pump providing pressurized air;

The pressurized flushing unit specifically includes:

The water tank is provided with a water outlet and a water inlet communicated with the water collecting tank;

the drain valve is movably arranged in the water tank to seal the water outlet;

The switch is arranged on the water tank and is linked with the drain valve so as to close or open the water outlet;

The pressure air tank is provided with an input port connected with the air pump and an output port provided with a control valve and used for pressurizing the inside of the water tank;

the transmission mechanism is connected between the switch and the control valve in a transmission way, and the control valve is opened when the switch is triggered.

The following alternatives are provided, but are not as additional limitations to the overall scheme described above, but are merely further additions or preferences, each alternative being singly possible without technical or logical conflicts

Optionally, an installation sleeve arranged around the water outlet is arranged on the inner wall of the water tank, and a water passing hole is formed in the side wall of the installation sleeve;

The water discharge valve is cylindrical and is rotatably arranged in the mounting sleeve, the bottom end of the water discharge valve is an open end and is communicated with the water outlet, the top end of the water discharge valve is a closed end, and the side wall of the water discharge valve is provided with a communication hole corresponding to the water passing hole;

The drain valve rotates to different positions, and the water passing hole and the communication hole are correspondingly turned on or off.

Optionally, an annular step is arranged on the periphery of the water outlet, and the end face of the bottom end of the drain valve is in butt seal with the annular step;

The periphery of the drain valve is also provided with an annular flange, and the annular flange is in butt seal with the top end face of the mounting sleeve.

Optionally, a nozzle connected to the water outlet is arranged outside the water tank, and the nozzle is in a bent pipe shape and gradually reduces in diameter.

Optionally, a top block which moves synchronously with the switch is arranged in the water tank, the top block is in nested fit with at least a part of the water discharge valve, a spiral guide structure is arranged at a position where the top block and the water discharge valve are nested, and the top block drives the water discharge valve to rotate through the spiral guide structure when moving;

And a spring is further arranged between the top block and the drain valve and used for driving the top block and the switch to reset.

Optionally, a guide component is arranged in the water tank, and the top block is matched with the guide component to keep corresponding linear motion with the switch;

The spiral guide structure includes:

The spiral groove is formed in one of the top block and the drain valve;

And the guide block is fixed on the other one of the top block and the drain valve, is arranged in the spiral groove and slides along the spiral groove.

Optionally, the bottom surface of kicking block is equipped with the holding tank, the top of drain valve is equipped with and inserts the extension of holding tank, spiral guide structure sets up between the inner wall of holding tank with the outer wall of extension.

Optionally, the transmission mechanism is a linkage rod installed in the water tank in a swinging way, one end of the linkage rod is a driving end connected with the switch, the other end of the linkage rod is a trigger end matched with the control valve, and the control valve responds to the trigger end and opens an output port of the pressure gas tank.

Optionally, the pressure gas tank is located inside the water tank, and the control valve includes:

The valve body is provided with three ports, wherein the first port is communicated with the output port, the second port is used as a gas outlet, and the third port is a trigger port;

A movable plug positioned in the valve body and matched with the first port;

An elastic piece which is positioned on the valve body and abuts against the movable plug;

The sliding block is arranged in the trigger opening and props against the elastic piece, the sliding block is driven by the propping pressure of the trigger end to close the first port by the movable plug, and the movable plug is communicated with the first port and the second port in an open mode after the propping pressure is released by the trigger end.

Optionally, the switch is movably embedded in a tank wall of the water tank, and the tank wall is also provided with a sealing cover film for covering the switch;

The switch comprises a first switch and a second switch which are arranged side by side, the top wall of the water tank is provided with a mounting opening, and the inner edge of the mounting opening is provided with limiting steps for the first switch and the second switch respectively so as to limit different strokes of the first switch and the second switch.

The pressurized flushing device can collect domestic wastewater by utilizing the water collecting tank, is used for flushing a toilet after filtering, is particularly suitable for the improvement of a dry toilet in the north, and can achieve the effect of saving water compared with a common toilet flushing water tank by obtaining pressurized water through the pressure air tank to improve the flushing effect.

Drawings

FIG. 1 is a schematic diagram of a pressurized flush apparatus according to the present application;

FIG. 2 is a schematic diagram of a pressurized flush unit of a pressurized flush apparatus according to the present application;

Fig. 3 is an enlarged view of a portion a in fig. 2.

The following is a reference numeral description in the figures:

1. A water tank; 2. a seal ring; 20. a mounting sleeve; 21. a water passing hole; 22. an annular step; 23. a guide member; 24. a mounting port; 25. a limit step; 3. a water tank cover; 4. a first switch; 5. a second switch; 6. sealing cover film; 7. a bracket; 8. a linkage rod; 81. a driving end; 82. a trigger end; 9. a control valve; 91. a valve body; 92. a first port; 93. a second port; 94. a third port; 95. a movable plug; 96. an elastic member; 97. a slide block; 10. an air pump connecting pipe; 11. a one-way valve; 12. a water inlet pipe; 13. a backwater prevention cap; 14. a pressure gas tank; 15. a top block; 151. a receiving groove; 152. a protrusion; 16. a spring; 17. a drain valve; 171. a communication hole; 172. an annular flange; 173. an extension; 18. and (3) a nozzle.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the application provides a pressurized flushing device based on wastewater reuse, which comprises a pressurized flushing unit and a water collecting tank for supplying water to the pressurized flushing unit, wherein domestic wastewater is collected and filtered and then is collected into the water collecting tank, so that toilet flushing and the like can be provided, and the pressurized flushing device is particularly suitable for the reconstruction of northern dry toilets, and wastewater in the water collecting tank can enter the pressurized flushing device through gravity flow or pressurization (manpower or water pump).

The pressurized flushing unit comprises a water tank 1, the water tank 1 is provided with a water outlet and a water inlet communicated with a water collecting tank, the water tank 1 can be provided with a conventional water level switch, the water level switch is triggered to be started after the water level is reduced, water enters the water tank 1 from the water collecting tank to a water full state of the water tank, a water return pipe can be arranged between the water tank 1 and the water collecting tank to avoid air resistance of the water tank 1, and the water tank 1 automatically stops flowing after being full of water or feeds back to a water pump to stop pumping.

The pressurized flushing unit further comprises a pressure air tank 14, the pressure air tank 14 can be arranged externally or installed in the water tank 1, the pressure air tank 14 is provided with an input port connected with an air pump and an output port provided with a control valve 9, the pressure air tank 14 is used for pressurizing the interior of the water tank 1, and the pressurized flushing device of the embodiment is further provided with the air pump for supplying air to the pressure air tank 14 so as to ensure necessary pressure.

The pressurized flush unit further includes a drain valve 17 movably disposed within the tank 1 to close the water outlet. The top of the water tank 1 is provided with a switch which is generally pressed to perform flushing operation, the switch is linked with a drain valve 17 to close or open a water outlet, a transmission mechanism is further arranged between the switch and the control valve 9, the control valve 9 is further opened when the switch is triggered, and the inside of the water tank 1 is pressurized through a pressure air tank 14.

Through the setting of the respective working strokes of the transmission mechanism and the drain valve 17, the pressure air tank 14 can be opened in advance, the pressure air is acted in the space of the water tank 1 which is sealed and full of water, the space in the water tank 1 is pressurized by 1.2-1.3 atmospheres instantly, then the drain valve 17 is opened, and the pressurized water is flushed to the urinal through the water outlet.

The outside of the water tank 1 is provided with a nozzle 18 connected with a water outlet, and the nozzle 18 is bent pipe-shaped and gradually reduces in diameter, so that the flushing effect can be controlled, and the water saving effect of the water tank for flushing a common toilet is achieved.

When the switch is reset, the output port of the pressure air tank 14 is closed, a sensor can be arranged for automatically keeping the pressure, the pressure air tank 14 can trigger the sensor for detecting the pressure of the air tank due to pressure drop and feed back the sensor to the air pump, the air pump works to pressurize the air to 1.3 atmospheres, the pressure in the pressure air tank 14 is restored to 1.2-1.3 atmospheres, and at the moment, the sensor feeds back the air pump to stop working.

The top of the water tank 1 can be provided with an air pump connecting pipe 10 according to pipeline requirements, one end of the air pump connecting pipe 10 is connected with an air pump, and one end inside the water tank 1 is connected with an input port of a pressure air tank 14 through a one-way valve 11 so as to supply air into the pressure air tank 14.

The top of the water tank 1 is also provided with a water inlet pipe 12, one end of the water inlet pipe 12 is connected with a water collecting tank, and a backwater prevention cap 13 is arranged at one end of the inside of the water tank 1 to play a role in one-way water passing.

According to the application, the drain valve 17 moves in a rotary mode, the inner wall of the water tank 1 is provided with the installation sleeve 20 which is arranged around the water outlet, the installation sleeve 20 and the water tank 1 can adopt an integrated structure, the side wall of the installation sleeve 20 is provided with the water passing hole 21, the drain valve 17 is cylindrical and is rotatably arranged in the installation sleeve, the bottom end of the drain valve 17 is an open end and is communicated with the water outlet, the top end of the drain valve 17 is a closed end, the side wall of the drain valve 17 is provided with the communication hole 171 which corresponds to the water passing hole 21, and the drain valve 17 rotates to different positions to correspondingly conduct or break the water passing hole 21 and the communication hole 171.

In order to improve the sealing and positioning effects, the periphery of the water outlet is provided with an annular step 22, and the water outlet can also be regarded as being formed by closing up and turning at the bottom of the mounting sleeve 20, and the end face of the bottom end of the drain valve 17 is propped against the annular step 22 for sealing; the outer periphery of the drain valve 17 is also provided with an annular flange 172, and the annular flange 172 seals against the top end face of the mounting sleeve 20.

In order to drive the drain valve 17, a top block 15 which moves synchronously with the switch is arranged in the water tank 1, the top block 15 is arranged below the switch and is pressed down by the switch to push the drain valve 17, in order to realize the rotation of the drain valve 17, the top block 15 is in nested fit with at least a part of the drain valve 17, a spiral guide structure is arranged at the nested part of the top block 15, and the top block 15 drives the drain valve 17 to rotate through the spiral guide structure when moving; a spring 16 is also arranged between the top block 15 and the drain valve 17 and is used for driving the top block 15 and resetting the switch.

The water tank 1 is provided with a guide member 23, such as a guide groove, and the top block 15 has a protrusion 152 on one side and extends into the guide groove, and the guide member 23 may also be a guide post, to which one side of the top block 15 is slidably sleeved, and the top block 15 can only move up and down, i.e. cooperate with the guide member 23 to maintain the linear motion corresponding to the switch.

The spiral guide structure for realizing the rotation of the drain valve 17 is a spiral groove and a guide block which are matched with each other, wherein the bottom surface of the top block 15 is provided with a containing groove 151, the top of the drain valve 17 is provided with an extension part 173 placed in the containing groove 151, and the spiral guide structure is arranged between the inner wall of the containing groove 151 and the outer wall of the extension part 173. For example, the inner wall of the accommodating groove 151 is provided with a spiral groove, the outer wall of the extending portion 173 is provided with a guide block and slides along the spiral groove, and vice versa.

When the top block 15 is pressed down, the drain valve 17 rotates under the limitation of the spiral groove, and the different magnitudes of the pressing down of the top block 15 also enable the conduction degree of the water passing hole 21 and the communication hole 171 to be different, so that the water flow control is realized.

The top of the water tank is provided with a mounting opening 24, the water tank cover 3 is fixed at the mounting opening 24 through a sealing ring 2, the switch comprises a first switch 4 and a second switch 5 which are arranged side by side and are movably embedded in the water tank cover 3, and a sealing cover film 6 for fixing and covering the switch is further arranged on the top surface of the water tank cover 3 for keeping sealing.

The stroke of the first switch 4 and the second switch 5 are different, and thus the rotation amplitude of the drain valve 17 is different to correspond to different drainage amounts or drainage speeds.

In order to limit the travel, a limiting step 25 is respectively arranged at the inner edge of the mounting opening 24 for the first switch 4 and the second switch 5, and the two limiting steps 25 are different in height so as to correspond to different travel of the first switch 4 and the second switch 5.

In order to realize pressurized water supply, the switch needs to be linked with the control valve 9 of the pressure gas tank 14, wherein the transmission mechanism adopts a linkage rod 8 which is arranged in the water tank 1 in a swinging way, the middle part of the linkage rod 8 is hinged in the water tank through a bracket 7, one end of the linkage rod 8 is a driving end 81 connected with the switch, specifically, the two driving ends 81 can be mutually interacted in a hinging or abutting mode, and the like, the driving ends 81 can be respectively connected with the first switch 4 and the second switch 5, the other end of the linkage rod 8 is a triggering end 82 matched with the control valve 9, and the control valve 9 can respond to the action of the triggering end 82 and open an output port of the pressure gas tank 14.

Wherein the control valve 9 comprises:

A valve body 91 having three ports, a first port 92 communicating with the output port of the pressure tank 14, a second port 93 serving as a gas outlet, and a third port 94 serving as a trigger port;

the movable plug 95, for example, a steel ball is positioned in the valve body 91 and is matched with the first port, so as to just block the output port of the pressure gas tank 14;

an elastic member 96 located in the valve body 91 and abutting against the movable plug 95;

The sliding block 97 is installed in the triggering opening and abuts against the elastic piece 96, and the triggering opening is provided with a closing-in structure to limit the sliding block 97 from falling out.

Under normal state, the trigger end 82 of the linkage rod 8 is pressed against the movable plug 95 through the sliding block 97 via the elastic piece 96 and closes the output port of the pressure air tank 14, when the water tank 1 is filled with water and the pressure air tank 14 is filled with 1.2-1.3 atmospheres, the switch can be pressed as required, the switch descends to drive the linkage rod 8, the trigger end 82 of the linkage rod 8 releases or reduces the pressing force to the sliding block 97, the movable plug 95 flushes the steel ball under the action of the gas in the pressure air tank 14, namely, the first port 92 and the second port 93 are opened and communicated, the gas enters the water tank, and the pressure in the water tank is increased. After the switch is reset, the triggering end 82 of the linkage rod 8 presses the sliding block 97 again to seal the pressure gas tank 14.

The pressurized flushing device of the application can further improve the flushing effect by linking pressurization and drainage through structure optimization, saves more water compared with the traditional toilet cistern, and can fully utilize the recycled waste water.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description. When technical features of different embodiments are embodied in the same drawing, the drawing can be regarded as a combination of the embodiments concerned also being disclosed at the same time.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application.

Claims

1. Pressurized flushing device based on waste water recycling, its characterized in that includes:

An air pump providing pressurized air;

The pressurized flushing unit specifically includes:

the drain valve is movably arranged in the water tank to seal the water outlet;

2. The pressurized-type flush apparatus according to claim 1, wherein an inner wall of the water tank is provided with a mounting sleeve arranged around the water outlet, and a side wall of the mounting sleeve is provided with a water passing hole;

3. The pressurized-type flush device according to claim 2, wherein an annular step is arranged on the outer periphery of the water outlet, and a bottom end surface of the drain valve is sealed against the annular step;

4. The pressurized-type flush apparatus according to claim 1, wherein a nozzle connected to the water outlet is provided outside the tank, and the nozzle is bent and gradually reduced in diameter.

5. The pressurized-type flush apparatus according to claim 1, wherein a top block which moves synchronously with the switch is provided in the water tank, the top block is fitted with at least a part of the drain valve in a nested manner, and a spiral guide structure is provided at a position where the top block is nested with each other, and the top block drives the drain valve to rotate through the spiral guide structure when moving;

6. The pressurized-type flush apparatus according to claim 5, wherein a guide member is provided in the tank, and the top block cooperates with the guide member to maintain a rectilinear motion corresponding to the switch;

The spiral guide structure includes:

The spiral groove is formed in one of the top block and the drain valve;

7. The pressurized-type flush apparatus according to claim 6, wherein a receiving groove is provided in a bottom surface of the top block, an extension portion is provided at a top of the drain valve to be inserted into the receiving groove, and the spiral guide structure is provided between an inner wall of the receiving groove and an outer wall of the extension portion.

8. The pressurized-type flush apparatus according to claim 1, wherein the transmission mechanism is a link lever swingably installed in the water tank, one end of the link lever is a driving end connected to the switch, the other end is a trigger end engaged with the control valve, and the control valve is responsive to the trigger end and opens an output port of the pressure tank.

9. The pressurized-flush device of claim 8, wherein the pressure tank is located inside the tank, and wherein the control valve comprises:

A movable plug positioned in the valve body and matched with the first port;

10. The pressurized-type flush apparatus according to claim 1, wherein the switch is movably fitted to a tank wall of the tank, the tank wall being further provided with a sealing cover film covering the switch;