Non-negative pressure water supply tank with anti-overflow structure

Abstract

The utility model provides a non-negative pressure water supply tank with an anti-overflow structure, which belongs to the technical field of water supply equipment and comprises a water storage tank, an electromagnetic valve is mounted at the input end of the water storage tank, a liquid level monitoring device is mounted at the top of the rear side of an inner cavity of the water storage tank, and a cleaning mechanism is arranged in the inner cavity of the water storage tank. And the cleaning mechanism comprises driving motors, threaded rotating rods, a movable frame, a movable supporting rod, a servo motor, a driving screw rod and a scraping plate, the driving motors are fixedly installed at the four corners of the top of the water storage tank correspondingly, and the threaded rotating rods are fixedly connected to the output ends of the driving motors. The utility model solves the problem that in the actual use process of the existing equipment, even if water in the inner cavity of the water storage tank is replaced regularly, the water quality cannot be influenced by the phenomenon that bacteria and other aquatic organisms are bred due to the fact that microorganisms in water are adhered to the inner wall of the water storage tank due to the long-term wet environment of the inner cavity of the water storage tank even if the water in the inner cavity of the water storage tank is replaced regularly.

Description

Technical Field

[0001] The utility model belongs to the technical field of water supply equipment, and in particular relates to a non-negative pressure water supply box with an anti-overflow structure. Background Art

[0002] The non-negative pressure water supply equipment is a pressurized water supply unit, which is directly connected to the municipal water supply network, and supplies water in series based on the residual pressure of the municipal network to ensure that the pressure of the municipal network is not less than the set protection pressure (the set pressure must be higher than the pressure requirement of the community direct supply area, generally not less than 1.2Kg). It is a secondary pressurized water supply equipment.

[0003] However, in actual use of existing equipment, even if the water in the water tank cavity is replaced regularly, it is still impossible to avoid the problem that the long-term moist environment in the water tank cavity causes microorganisms in the water to adhere to the inner wall of the water tank, leading to the growth of bacteria and other aquatic organisms, which affects the water quality. Summary of the invention

[0004] The purpose of the utility model is to provide a non-negative pressure water supply box with an overflow prevention structure, aiming to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A non-negative pressure water supply tank with an overflow prevention structure comprises a water tank, an electromagnetic valve is installed at the input end of the water tank, a liquid level monitoring device is installed at the top of the rear side of the inner cavity of the water tank, a cleaning mechanism is provided in the inner cavity of the water tank, the cleaning mechanism comprises a driving motor, a threaded rotating rod, a movable frame, a movable support rod, a servo motor, a driving screw and a scraper plate, the driving motor is respectively fixedly installed at the four corners of the top of the water tank, the threaded rotating rod is fixedly connected to the output end of the driving motor, the movable frame is threadedly connected to the surface of the threaded rotating rod, the movable support rod is movably connected to the inner cavity of the movable frame, the servo motor is installed in the inner wall on the left side of the movable frame, the driving screw is fixedly connected to the output end of the servo motor, the scraper plate is fixedly connected to the bottom end of the movable support rod, and a filtering mechanism is provided at the output end of the water tank.

[0007] As a preferred solution of the utility model, the threaded rotating rod is movably connected to the four corners of the inner cavity of the water tank, the outer side of the movable frame is in contact with the inner wall of the water tank, and the bottom end of the scraper plate is in contact with the bottom of the inner cavity of the water tank.

[0008] As a preferred solution of the utility model, the driving screw is movably connected to the inner cavity of the movable frame, the surface of the driving screw is threadedly connected to the inner cavity of the movable support rod, and the scraping plate is made of rubber.

[0009] As a preferred solution of the utility model, the filtering mechanism includes a filter box, a filter mesh cylinder and a sealing cover plate. The filter box is fixedly installed at the sewage discharge end of the water storage tank, the filter mesh cylinder is fixedly installed in the inner cavity of the filter box, the sealing cover plate is fixedly installed on the top of the filter box by bolts, and the input end of the filter mesh cylinder is fixedly connected to the sewage discharge end of the water storage tank.

[0010] As a preferred solution of the utility model, a filter tank is fixedly installed at the input end of the solenoid valve, a buffer tank is fixedly connected to the input end of the filter tank, and a pressure monitoring device is fixedly installed at the input end of the buffer tank.

[0011] As a preferred solution of the utility model, a booster water pump is fixedly installed at the output end of the water storage tank, the input end of the booster water pump is fixedly connected to the output end of the filter tank, and the output end of the booster water pump is connected to the outside through a pipeline.

[0012] As a preferred solution of the utility model, the top of the water tank is movably connected with a box cover door, the bottom end of the water tank is fixedly connected with a supporting vertical plate, and the bottom end of the supporting vertical plate is fixedly connected with a device bottom plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] This solution solves the problem of existing equipment that, in actual use, even if the water in the inner cavity of the water tank is replaced regularly, the long-term moist environment in the inner cavity of the water tank causes microorganisms in the water to adhere to the inner wall of the water tank, leading to the growth of bacteria and other aquatic organisms, which affects the water quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 It is a schematic diagram of the overall front side structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall back side structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the top of the water storage tank in the structure of the utility model;

[0020] Figure 4 It is a partial cross-sectional structural diagram of the filter box in the structure of the utility model;

[0021] Figure 5 It is a schematic diagram of a partial cross-sectional structure of the movable frame in the structure of the utility model.

[0022] In the figure: 1. water storage tank; 2. solenoid valve; 3. liquid level monitoring device; 4. cleaning mechanism; 401. drive motor; 402. threaded rotating rod; 403. movable frame; 404. movable support rod; 405. servo motor; 406. drive screw; 407. scraper plate; 5. filtering mechanism; 501. filter box; 502. filter mesh cylinder; 503. sealing cover plate; 6. filter tank; 7. buffer tank; 8. pressure monitoring device; 9. booster pump; 10. box cover door; 11. support vertical plate; 12. device bottom plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Embodiment 1

[0024] See also Figure 1-5 , the technical solution provided by this embodiment is as follows:

[0025] A non-negative pressure water supply tank with an overflow prevention structure comprises a water storage tank 1, an electromagnetic valve 2 is installed at the input end of the water storage tank 1, a liquid level monitoring device 3 is installed at the top of the rear side of the inner cavity of the water storage tank 1, and a cleaning mechanism 4 is provided in the inner cavity of the water storage tank 1. The cleaning mechanism 4 comprises a driving motor 401, a threaded rotating rod 402, a movable frame 403, a movable support rod 404, a servo motor 405, a driving screw 406 and a scraping plate 407. The driving motor 401 is fixedly installed at the top of the water storage tank 1. At the four corners, the threaded rotating rod 402 is fixedly connected to the output end of the driving motor 401, the movable frame 403 is threadedly connected to the surface of the threaded rotating rod 402, the movable support rod 404 is movably connected to the inner cavity of the movable frame 403, the servo motor 405 is installed in the inner wall on the left side of the movable frame 403, the driving screw 406 is fixedly connected to the output end of the servo motor 405, the scraper plate 407 is fixedly connected to the bottom end of the movable support rod 404, and the output end of the water tank 1 is provided with a filtering mechanism 5.

[0026] Specifically, by setting up the cleaning mechanism 4, the microorganisms in the water adhering to the inner wall of the water tank 1 due to a long-term humid environment can be scraped off and discharged from the sewage end along with the water flow, avoiding the breeding of bacteria and other aquatic organisms that affect the water quality. Embodiment 2

[0027] See also Figure 1-5 The threaded rotating rod 402 is movably connected to the four corners of the inner cavity of the water tank 1, the outer side of the movable frame 403 is in contact with the inner wall of the water tank 1, the bottom end of the scraper plate 407 is in contact with the bottom of the inner cavity of the water tank 1, the driving screw 406 is movably connected to the inner cavity of the movable frame 403, the surface of the driving screw 406 is threadedly connected to the inner cavity of the movable support rod 404, the scraper plate 407 is made of rubber material, the filtering mechanism 5 includes a filter box 501, a filter screen cylinder 502 and a sealing cover plate 503, the filter box 501 is fixedly installed at the sewage discharge end of the water tank 1, the filter screen cylinder 502 is fixedly installed in the inner cavity of the filter box 501, and the sealing cover plate 503 is screwed. The bolt is fixedly installed on the top of the filter box 501, the input end of the filter screen cylinder 502 is fixedly connected to the sewage discharge end of the water tank 1, the input end of the solenoid valve 2 is fixedly installed with a filter tank 6, the input end of the filter tank 6 is fixedly connected with a buffer tank 7, the input end of the buffer tank 7 is fixedly installed with a pressure monitoring device 8, the output end of the water tank 1 is fixedly installed with a booster water pump 9, the input end of the booster water pump 9 is fixedly connected to the output end of the filter tank 6, the output end of the booster water pump 9 is connected to the outside through a pipeline, the top of the water tank 1 is movably connected with a box cover door 10, the bottom end of the water tank 1 is fixedly connected with a support vertical plate 11, and the bottom end of the support vertical plate 11 is fixedly connected with a device bottom plate 12.

[0028] Specifically, through the setting of the filtering mechanism 5, the wastewater discharged from the sewage end can be filtered, so as to avoid the accumulation of impurities in the water in the pipeline for a long time and cause blockage, and the filter cylinder 502 can be replaced and cleaned, so as to avoid the excessive accumulation of impurities in the inner cavity of the filter cylinder 502 and cause blockage. Through the setting of the box cover door 10, the inner cavity of the water tank 1 can be conveniently observed and repaired. Through the setting of the supporting vertical plate 11 and the device bottom plate 12, the device can be supported and fixed to avoid the bottom end of the water tank 1 from contacting the ground and causing wear.

[0029] Working principle: The components of the device are operated and controlled through the control box and the control system, the tap water is transported to the inner cavity of the buffer tank 7 through the water inlet pipe, the tap water is buffered by the buffer tank 7 and transported to the filter tank 6, the tap water is transported to the inner cavity of the water storage tank 1 and the output pipe through the filter tank 6, the tap water is allowed to flow to the inner cavity of the water storage tank 1 by opening the solenoid valve 2, when the water level in the inner cavity of the water storage tank 1 rises, the liquid level monitoring device 3 is lifted to float, and the water level in the inner cavity of the water storage tank 1 is monitored, when the water level rises to the specified level, the liquid level monitoring device 3 transmits a signal to the control system to control the solenoid valve 2 to close, stop delivering water to the inner cavity of the water storage tank 1, monitor the pressure of the water inlet pipe through the pressure monitoring device 8, when the pressure is lower than the specified value, the pressure monitoring device 8 transmits a signal to the control system to control the booster pump 9 to work and pump the tap water in the inner cavity of the water storage tank 1 to the output pipe, thereby boosting the pressure in the output pipe and increasing the water flow rate, when it is necessary to pump the water storage tank 1 When cleaning the inner wall of the water tank 1, the driving motor 401 is controlled to work to drive the threaded rotating rod 402 to rotate, and the rotation of the threaded rotating rod 402 drives the movable frame 403 to move. The movement of the movable frame 403 causes the outer side of the movable frame 403 to scrape off the adhesion on the inner wall surface of the water tank 1. When the movable frame 403 moves down to the bottom, the scraping plate 407 fits with the bottom of the inner cavity of the water tank 1, and at the same time, the servo motor 405 is controlled to work to drive the driving screw 40 6 is rotated, and the movable support rod 404 is driven to move by the rotation of the driving screw rod 406, and the scraper plate 407 is driven by the movement of the movable support rod 404 to scrape off the adhesion at the bottom of the inner cavity of the water storage tank 1, and the sewage discharge end of the water storage tank 1 is opened, so that the water mixed with impurities in the inner cavity of the water storage tank 1 is discharged into the inner cavity of the filter screen cylinder 502, and the impurities in the water are filtered by the filter screen cylinder 502, so that the tap water is discharged into the inner cavity of the filter box 501 and discharged through the filter box 501.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A non-negative pressure water supply tank with an overflow prevention structure, characterized in that: The invention comprises a water storage tank (1), wherein an electromagnetic valve (2) is installed at the input end of the water storage tank (1), a liquid level monitoring device (3) is installed at the top of the rear side of the inner cavity of the water storage tank (1), and a cleaning mechanism (4) is provided in the inner cavity of the water storage tank (1), wherein the cleaning mechanism (4) comprises a driving motor (401), a threaded rotating rod (402), a movable frame (403), a movable support rod (404), a servo motor (405), a driving screw rod (406) and a scraping plate (407), wherein the driving motor (401) is fixedly installed at the four corners of the top of the water storage tank (1), and the threaded rotating rod (402) is fixedly installed at the top of the water storage tank (1). The rotating rod (402) is fixedly connected to the output end of the driving motor (401); the movable frame (403) is threadedly connected to the surface of the threaded rotating rod (402); the movable support rod (404) is movably connected to the inner cavity of the movable frame (403); the servo motor (405) is installed in the inner wall on the left side of the movable frame (403); the driving screw rod (406) is fixedly connected to the output end of the servo motor (405); the scraper plate (407) is fixedly connected to the bottom end of the movable support rod (404); and a filtering mechanism (5) is provided at the output end of the water storage tank (1).

2. A non-negative pressure water supply tank with an overflow prevention structure according to claim 1, characterized in that: The threaded rotating rod (402) is movably connected to the four corners of the inner cavity of the water tank (1), the outer side of the movable frame (403) is in contact with the inner wall of the water tank (1), and the bottom end of the scraper plate (407) is in contact with the bottom of the inner cavity of the water tank (1).

3. The non-negative pressure water supply tank with an overflow prevention structure according to claim 1, characterized in that: The driving screw rod (406) is movably connected to the inner cavity of the movable frame (403); the surface of the driving screw rod (406) is threadedly connected to the inner cavity of the movable support rod (404); and the scraping plate (407) is made of rubber.

4. The non-negative pressure water supply tank with an overflow prevention structure according to claim 1, characterized in that: The filtering mechanism (5) comprises a filtering box (501), a filtering screen cartridge (502) and a sealing cover plate (503); the filtering box (501) is fixedly mounted on a sewage discharge end of the water storage tank (1); the filtering screen cartridge (502) is fixedly mounted on an inner cavity of the filtering box (501); the sealing cover plate (503) is fixedly mounted on the top of the filtering box (501) by means of bolts; and the input end of the filtering screen cartridge (502) is fixedly connected to the sewage discharge end of the water storage tank (1).

5. The non-negative pressure water supply tank with an overflow prevention structure according to claim 1, characterized in that: A filter tank (6) is fixedly mounted on the input end of the solenoid valve (2), a buffer tank (7) is fixedly connected to the input end of the filter tank (6), and a pressure monitoring device (8) is fixedly mounted on the input end of the buffer tank (7).

6. The non-negative pressure water supply tank with an overflow prevention structure according to claim 1, characterized in that: A booster water pump (9) is fixedly mounted on the output end of the water storage tank (1); the input end of the booster water pump (9) is fixedly connected to the output end of the filter tank (6); and the output end of the booster water pump (9) is connected to the outside via a pipeline.

7. The non-negative pressure water supply tank with an overflow prevention structure according to claim 1, characterized in that: The top of the water tank (1) is movably connected to a tank cover door (10), the bottom end of the water tank (1) is fixedly connected to a support vertical plate (11), and the bottom end of the support vertical plate (11) is fixedly connected to a device bottom plate (12).

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