Small water storage tank for water purifier

Abstract

The utility model relates to the technical field of water storage tanks, in particular to a small water storage tank for a water purifier, which comprises a tank body, the top of the tank body is in threaded connection with a first sealing cover, the top of the first sealing cover is fixedly connected with an air pump, the output end of the air pump is fixedly connected with an air bag, and the bottom of the tank body is in threaded connection with a second sealing cover. The bottom of the second sealing cover is fixedly connected with a connecting pipe, one side of the connecting pipe is fixedly connected with a one-way valve, and one side of the one-way valve is fixedly connected with a water inlet pipe. The cleaning structure has the advantages that when the second sealing cover is opened and the cleaning structure is drawn out, the two connecting rods can drive the scraping ring to slide in the tank body, so that the inner wall of the tank body is scraped and cleaned, attachments on the inner wall are scraped, and the cleaning structure is convenient to use; and gaps among the first sealing cover, the second sealing cover and the tank body can be sealed, so that water leakage is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of water storage tanks, in particular to a small water storage tank for a water purifier. Background Art

[0002] The structure of the existing pressure water storage tank is generally that there is a rubber diaphragm or air bag inside the tank, compressed air is under the diaphragm or in the air bag, and there is a water inlet on the top. When the tank is not filled with water, the diaphragm or air bag expands and fills the entire space under the upward (or outward) pressure of the compressed air; when water flows into the tank under external pressure, the air in the diaphragm or air bag is compressed, and the water fills the compressed space to store water until the gas-liquid pressure reaches equilibrium, at which time the water stops flowing into the tank.

[0003] The disadvantage of the water storage tank with rubber diaphragm or air bag is that it is troublesome to clean and disinfect, and it is inconvenient to clean the inside after long-term use.

[0004] In this regard, the utility model provides a small water storage tank for a water purifier to solve the problem. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] Therefore, one purpose of the present invention is to provide a small water storage tank for a water purifier to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0007] In order to achieve the above-mentioned objectives, an embodiment of one aspect of the utility model provides a small water storage tank for a water purifier, including a tank body, a first sealing cover is threadedly connected to the top of the tank body, an air pump is fixedly connected to the top of the first sealing cover, an air bag is fixedly connected to the output end of the air pump, a second sealing cover is threadedly connected to the bottom of the tank body, a connecting pipe is fixedly connected to the bottom of the second sealing cover, a one-way valve is fixedly connected to one side of the connecting pipe, a water inlet pipe is fixedly connected to one side of the one-way valve, a water outlet pipe is fixedly connected to one side of the connecting pipe, and a cleaning structure is fixedly connected to one side of the second sealing cover.

[0008] Preferably, in any of the above schemes, the tank body is a hollow tubular structure with upper and lower openings, and the inner surfaces of the upper and lower sides of the tank body are provided with internal threads.

[0009] Preferably, any of the above schemes is that the outer surfaces of the first sealing cover and the second sealing cover are both provided with external threads matching the internal threads, and the first sealing cover and the second sealing cover are threadedly connected to the inner surface of the tank body.

[0010] The technical effect achieved by adopting the above solution is that the first sealing cover and the second sealing cover can be easily disassembled and assembled.

[0011] Preferably, any of the above schemes is that a plurality of anti-skid grooves are formed around the first sealing cover and the second sealing cover, and the plurality of anti-skid grooves are distributed in a circular array.

[0012] Preferably, any of the above schemes has a through hole on one side of the first sealing cover and the second sealing cover, the output end of the air pump is connected to the interior of the airbag through the through hole, and the connecting pipe is connected to the interior of the tank through the through hole.

[0013] Preferably, any of the above schemes is provided with a sealing ring between the first sealing cover, the second sealing cover and the tank body, the sealing ring is sleeved on the outer surfaces of the first sealing cover and the second sealing cover, and the two sides of the sealing ring are respectively fitted with the first sealing cover, the second sealing cover and one side of the tank body.

[0014] The technical effect achieved by adopting the above scheme is: the gap is sealed to prevent water leakage.

[0015] Preferably, in any of the above schemes, the cleaning structure comprises two connecting rods, the two connecting rods are fixedly connected to one side of the second sealing cover, and the two connecting rods are symmetrically arranged.

[0016] Preferably, any of the above schemes is that a scraper ring is fixedly connected between the two connecting rods, the outer diameter of the scraper ring is matched with the inner surface diameter of the tank body, and the scraper ring is slidably connected to the inside of the tank body.

[0017] The technical effect achieved by adopting the above scheme is: scraping the inner wall of the tank.

[0018] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0019] When the second sealing cover is opened to pull out the cleaning structure, the two connecting rods will drive the scraper ring to slide inside the tank body, thereby scraping and cleaning the inner wall of the tank body and removing the attachments on the inner wall. It is easy to use, and by arranging a sealing ring between the first sealing cover, the second sealing cover and the tank body, the gap between the first sealing cover, the second sealing cover and the tank body can be sealed to avoid water leakage.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0022] Figure 1It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0023] Figure 2 It is a structural schematic diagram of a tank body according to an embodiment of the utility model;

[0024] Figure 3 It is a schematic diagram of the structure of an airbag according to an embodiment of the utility model;

[0025] Figure 4 It is a schematic diagram of a cleaning structure according to an embodiment of the utility model.

[0026] In the figure: 1-tank body, 2-first sealing cover, 3-air pump, 4-air bag, 5-second sealing cover, 6-connecting pipe, 7-check valve, 8-water inlet pipe, 9-water outlet pipe, 10-cleaning structure, 11-anti-slip groove, 12-sealing ring, 13-connecting rod, 14-scraper ring. DETAILED DESCRIPTION

[0027] like Figures 1 to 4 As shown, a small water storage tank for a water purifier comprises a tank body 1, a first sealing cover 2 is threadedly connected to the top of the tank body 1, an air pump 3 is fixedly connected to the top of the first sealing cover 2, an air bag 4 is fixedly connected to the output end of the air pump 3, a second sealing cover 5 is threadedly connected to the bottom of the tank body 1, a connecting pipe 6 is fixedly connected to the bottom of the second sealing cover 5, a one-way valve 7 is fixedly connected to one side of the connecting pipe 6, a water inlet pipe 8 is fixedly connected to one side of the one-way valve 7, a water outlet pipe 9 is fixedly connected to one side of the water outlet pipe 9, a solenoid valve is installed on one side of the water outlet pipe 9 to control on and off, and a cleaning structure 10 is fixedly connected to one side of the second sealing cover 5.

[0028] The tank body 1 is a hollow tubular structure with upper and lower openings, and the inner surfaces of the upper and lower sides of the tank body 1 are provided with internal threads.

[0029] External threads matching the internal threads are formed on the outer surfaces of the first sealing cover 2 and the second sealing cover 5 . The first sealing cover 2 and the second sealing cover 5 are threadedly connected to the inner surface of the tank body 1 .

[0030] A plurality of anti-skid grooves 11 are provided around the first sealing cover 2 and the second sealing cover 5 . The anti-skid grooves 11 are distributed in a circular array. The anti-skid grooves 11 are provided to facilitate opening and closing of the first sealing cover 2 and the second sealing cover 5 .

[0031] A through hole is provided on one side of the first sealing cover 2 and the second sealing cover 5. The output end of the air pump 3 is connected with the interior of the airbag 4 through the through hole, and the connecting pipe 6 is connected with the interior of the tank body 1 through the through hole. When the tank body 1 is not filled with water, the airbag 4 expands and fills the entire space under the upward (or outward) pressure of the compressed air. When water flows into the tank under external pressure, the air in the airbag 4 is compressed, and the water fills the compressed space to realize the storage of water until the gas-liquid pressure reaches a balance, at which time the water stops flowing into the tank.

[0032] A sealing ring 12 is provided between the first sealing cover 2, the second sealing cover 5 and the tank body 1. The sealing ring 12 is sleeved on the outer surfaces of the first sealing cover 2 and the second sealing cover 5. The two sides of the sealing ring 12 are respectively fitted with the first sealing cover 2, the second sealing cover 5 and one side of the tank body 1, so as to seal the gap between the first sealing cover 2, the second sealing cover 5 and the tank body 1 to prevent water leakage.

[0033] The cleaning structure 10 includes two connecting rods 13, which are fixedly connected to one side of the second sealing cover 5 and are symmetrically arranged. The two connecting rods 13 serve to connect the scraper ring 14 and the second sealing cover 5. The shape of the connecting rod 13 is an arc-shaped plate structure that is adapted to the shape of the inner wall of the tank body 1.

[0034] A scraper ring 14 is fixedly connected between the two connecting rods 13. The outer diameter of the scraper ring 14 is adapted to the inner surface diameter of the tank body 1. The scraper ring 14 is slidably connected to the inside of the tank body 1. When the second sealing cover 5 is opened to pull out the cleaning structure 10, the two connecting rods 13 will drive the scraper ring 14 to slide inside the tank body 1, thereby scraping and cleaning the inner wall of the tank body 1 and scraping off the attachments on the inner wall, which is easy to use.

[0035] Compared with the prior art, the present invention has the following beneficial effects:

[0036] When the second sealing cover 5 is opened to pull out the cleaning structure 10, the two connecting rods 13 will drive the scraper ring 14 to slide inside the tank body 1, thereby scraping and cleaning the inner wall of the tank body 1 and scraping off the attachments on the inner wall. It is easy to use. By arranging a sealing ring 12 between the first sealing cover 2, the second sealing cover 5 and the tank body 1, the gap between the first sealing cover 2, the second sealing cover 5 and the tank body 1 can be sealed to avoid water leakage.

Claims

1. A small water storage tank for a water purifier, characterized in that: The invention comprises a tank body (1), wherein the top of the tank body (1) is threadedly connected to a first sealing cover (2), the top of the first sealing cover (2) is fixedly connected to an air pump (3), the output end of the air pump (3) is fixedly connected to an air bag (4), the bottom of the tank body (1) is threadedly connected to a second sealing cover (5), the bottom of the second sealing cover (5) is fixedly connected to a connecting pipe (6), one side of the connecting pipe (6) is fixedly connected to a one-way valve (7), one side of the one-way valve (7) is fixedly connected to a water inlet pipe (8), one side of the connecting pipe (6) is fixedly connected to a water outlet pipe (9), and one side of the second sealing cover (5) is fixedly connected to a cleaning structure (10).

2. A small water storage tank for a water purifier according to claim 1, characterized in that: The tank body (1) is a hollow tubular structure with openings at the top and bottom, and the inner surfaces of the upper and lower sides of the tank body (1) are both provided with internal threads.

3. A small water storage tank for a water purifier according to claim 2, characterized in that: The outer surfaces of the first sealing cover (2) and the second sealing cover (5) are both provided with external threads matching the internal threads, and the first sealing cover (2) and the second sealing cover (5) are threadedly connected to the inner surface of the tank body (1).

4. A small water storage tank for a water purifier according to claim 3, characterized in that: A plurality of anti-slip grooves (11) are provided around the first sealing cover (2) and the second sealing cover (5), and the plurality of anti-slip grooves (11) are distributed in a circular array.

5. A small water storage tank for a water purifier according to claim 4, characterized in that: A through hole is provided on one side of the first sealing cover (2) and the second sealing cover (5), the output end of the air pump (3) is connected to the interior of the air bag (4) through the through hole, and the connecting pipe (6) is connected to the interior of the tank body (1) through the through hole.

6. A small water storage tank for a water purifier according to claim 5, characterized in that: A sealing ring (12) is provided between the first sealing cover (2), the second sealing cover (5) and the tank body (1); the sealing ring (12) is sleeved on the outer surfaces of the first sealing cover (2) and the second sealing cover (5); two sides of the sealing ring (12) are respectively in contact with one side of the first sealing cover (2), the second sealing cover (5) and the tank body (1).

7. A small water storage tank for a water purifier according to claim 6, characterized in that: The cleaning structure (10) comprises two connecting rods (13), the two connecting rods (13) are fixedly connected to one side of the second sealing cover (5), and the two connecting rods (13) are symmetrically arranged.

8. A small water storage tank for a water purifier according to claim 7, characterized in that: A scraper ring (14) is fixedly connected between the two connecting rods (13); the outer diameter of the scraper ring (14) is matched to the inner surface diameter of the tank body (1); and the scraper ring (14) is slidably connected to the inside of the tank body (1).

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