CN214301985U

CN214301985U - Normal pressure closed domestic water tank

Info

Publication number: CN214301985U
Application number: CN202023097774.0U
Authority: CN
Inventors: 耿纪卫; 冯斌; 张智勇
Original assignee: Shaanxi Kewei Water Industrial Equipment Co ltd
Current assignee: Shaanxi Kewei Water Industrial Equipment Co ltd
Priority date: 2020-06-10
Filing date: 2020-12-21
Publication date: 2021-09-28
Anticipated expiration: 2030-12-21
Also published as: CN111622304A

Abstract

The utility model discloses an airtight domestic water tank of ordinary pressure, including support column, domestic water tank body and solenoid valve, the top fixed mounting of support column has the domestic water tank body, and the left side of domestic water tank body is close to the rigidity on top and has seted up the water inlet, the left side of domestic water tank body is inserted and is equipped with the rubber buffer. The utility model discloses a be provided with rubber pad and snap ring, through the surface with the snap ring block at the buckle, and can be inconsistent with two sets of rubber pads through the top cap, thereby can seal the cylinder pipe, the effectual life water tank body seal that has improved, guarantee water quality cleanness, can not receive the pollution, and set up to be the S type through the overflow pipe, can be after the water level is out of control, guarantee that the overflow function is normal, and blocked the contact with the air, through being provided with big leather bag, through the inside air of big leather bag, can make the inside pressure of life water tank body equal atmospheric pressure all the time.

Description

Normal pressure closed domestic water tank

Technical Field

The utility model relates to a secondary water supply field technical field specifically is an airtight life water tank of ordinary pressure.

Background

The living water tank is made of thin-wall stainless steel with large capacity instead of traditional reinforced concrete water tank, and its self-weight is light, strength is large, and the stainless steel living water tank is a special water supply and storage equipment matched with water supply system of engineering construction and high-rise dwelling house, and is made of international universal food-grade stainless steel SUS304 plate material, and its production process adopts the numerical control stamping technology to make it into convex form, and according to the module flexible combination required by customer size requirements, it can be completed by means of on-site assembling and welding, and its every index is up to national industrial standard and food sanitary standard, and can be extensively used in buildings of industrial and mining, enterprise and public institution, dwelling house, hotel and restaurant, etc., and can be used as domestic drinking water, fire-fighting water and food and sanitary water storage facilities with high water quality requirements The water storage and supply device has the advantages of light weight, low manufacturing cost, long service life, simple installation, wide application and the like, is sanitary, nontoxic and strong in corrosion resistance, can be thoroughly reflected to absorb heat in sunlight, does not breed algae in the interior, can ensure clean water quality at any time, is provided with air filtration to protect a water source from secondary pollution, is the most elegant water storage and supply equipment in the world at present, is the best choice for a living water tank, is used as a water storage container for hundreds of households by building a stainless steel living water tank at a high level, and directly influences the health of people due to the pollution of water quality.

However, the existing living water tanks are all normal pressure water tanks, the top or overflow port, the inspection hole and the like are communicated with the atmosphere, residual chlorine or disinfectant in municipal tap water is volatile, moreover, bacteria, dust and the like in the air accumulate for a long time, the water in the water tank is easily polluted, sanitary safety events such as the pulling of the belly of common people and the like are easily caused, and serious consequences are caused, because the water supply department does not allow the water pump to directly pump water from the municipal water supply pipe network, the secondary water supply system of the building is mostly required to be provided with a low-level water tank, and part of the building is required to be provided with a roof water tank, because the water surface of the water pool or the water tank is communicated with the atmosphere, the content of residual chlorine in the water is rapidly reduced, thereby losing the inhibiting effect on the growth of bacteria, and in addition, pollutants in the air can also easily enter the water, therefore, the secondary pollution of the water body in the water pool or the water tank is caused, and therefore, a normal-pressure closed domestic water tank is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an airtight life water tank of ordinary pressure to top or the overflow mouth of the life water tank who proposes in solving above-mentioned background art, inspection hole etc. all put through with the atmosphere, and residual chlorine or disinfectant in the municipal tap water are volatile and bacterial dust in the air etc. are long-pending long-term, easily produce the pollution to water quality in the water tank, easily take place the problem that the public names pulled sanitary safety incident such as belly.

In order to achieve the above object, the utility model provides a following technical scheme: a normal-pressure closed domestic water tank comprises a support column, a domestic water tank body and an electromagnetic valve, wherein the top end of the support column is fixedly provided with the domestic water tank body, the left side of the domestic water tank body is close to the position of the top end and is fixedly provided with a water inlet, the left side of the domestic water tank body is inserted with a rubber plug, the left inner wall of the domestic water tank body is fixedly provided with a filter frame, the inner top of the filter frame is fixedly provided with a first connecting rod, the bottom end of the first connecting rod is hinged with a turbine, the right inside of the filter frame is provided with a worm rod through a bearing, the inside of the worm rod is inserted with a first inner rod, the top end of the first inner rod is abutted with a movable plug, the top end of the movable plug is connected with the inner top of the worm rod through a first spring, the bottom end of the first inner rod is fixedly connected with a fixed frame, and the inside of the fixed frame is provided with a first rotating rod through a bearing, the surface of the first rotating rod is sleeved with a first sliding sleeve, the first sliding sleeve is connected with the inner top of the fixed frame through a sliding block, one end, far away from the sliding block, of the first sliding sleeve is fixedly connected with a clamping rod, one side, close to each other, of the clamping rod is fixedly connected with a rubber layer, one side, close to each other, of the rubber layer is abutted with a magnetic wheel, the central position of the turbine is fixedly connected with a second rotating rod, the second rotating rod is connected with a third rotating rod through a first transmission mechanism, the third rotating rod is connected with a fourth rotating rod through a second transmission mechanism, a first bevel gear is fixedly installed at the central position of the fourth rotating rod, the surface of the first bevel gear is meshed with a second bevel gear, an outer rod is fixedly connected with the bottom end of the second bevel gear, a second inner rod is inserted into the outer rod, and the top end of the second inner rod is connected with the outer rod through a second spring, the top end of the second conical gear is connected with a second connecting rod through a movable rod, the second connecting rod is fixedly installed at the inner top of the domestic water tank body, a large leather bag is fixedly installed at the top end of the domestic water tank body, an overflow pipe is fixedly installed at the right side of the domestic water tank body, the left side of the top end of the domestic water tank body is provided with a population, a cylindrical pipe is fixedly installed at the periphery of the top end of the population, the left side of the cylindrical pipe is hinged with a top cover, a rubber pad is glued on the surface of the top cover, the right side of the top cover is fixedly connected with a buckle, a snap ring is sleeved on the surface of the buckle, the bottom end of the snap ring is hinged with a second sliding sleeve, a screw rod is inserted into the second sliding sleeve, the bottom end of the screw rod is fixedly connected with a third conical gear, a fourth conical gear is meshed on the surface of the third conical gear, and a fixed rod is fixedly connected to the top end of the filter frame, and the top of dead lever articulates and is connected with the hinge bar, the articulated baffle that is connected with in left side of hinge bar, the articulated floater that is connected with in right side of dead lever, the bottom fixedly connected with scraper blade of pole in the second, the bottom central point department of putting of domestic water tank body installs the solenoid valve.

Preferably, the turbine is installed at the inner wall of filtering the frame through the second dwang, the turbine meshes with the scroll bar mutually, the turbine rotates with the scroll bar and is connected.

Preferably, the first inner rod is cylindrical, a cylindrical hole groove corresponding to the first inner rod is formed in the bottom of the scroll rod, the first inner rod is inserted into the cylindrical hole groove, protruding blocks are symmetrically connected to two sides of the top end of the first inner rod, sliding grooves corresponding to the protruding blocks are formed in the scroll rod, and the first inner rod is in sliding connection with the scroll rod.

Preferably, one end of the first spring is fixedly connected with the inside of the scroll bar, and the other end of the first spring is fixedly connected with the top end of the movable plug.

Preferably, the surface of the first rotating rod is provided with opposite external threads by using a central position object, the inside of the first sliding sleeve is provided with internal threads corresponding to the external threads of the first rotating rod, and the first sliding sleeve is in threaded sliding connection with the first rotating rod.

Preferably, the sliding block is of a rectangular structure, a rectangular sliding groove corresponding to the sliding block is formed in the inner top of the fixing frame, the sliding block is inserted into the rectangular sliding groove, and the sliding block is in sliding connection with the fixing frame.

Preferably, two sets of protruding jogs are symmetrically arranged on two sides of the top end of the second inner rod, two sets of sliding grooves corresponding to the protruding jogs are arranged on the inner walls of two sides of the outer rod, the protruding jogs are inserted into the inner walls of the sliding grooves, and the second inner rod is in sliding connection with the outer rod.

Preferably, one end of the second spring is fixedly connected with the inner top of the outer rod, and the bottom end of the second spring is fixedly connected with the top end of the second inner rod.

Preferably, the buckle is L-shaped, a rectangular clamping groove is formed in the top end of the clamping ring, the clamping ring is sleeved on the surface of the buckle, and the clamping ring is connected with the buckle in a clamping mode.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is provided with the rubber pads and the snap ring, the snap ring is clamped on the surface of the buckle, and the two groups of rubber pads can be abutted through the top cover, thereby sealing the cylindrical pipe, effectively improving the tightness of the domestic water tank body, completely isolating the domestic water tank body from air, ensuring that the water quality is clean and not polluted, reducing the problem of sanitary safety incidents such as the belly pulling of common people and the like, setting the overflow pipe into an S shape, after the water level is out of control, the water level rises to make water enter the overflow pipe, so as to ensure the normal overflow function, and the contact with the air is blocked, and by arranging the large leather bag, the air in the large leather bag, the pressure inside the domestic water tank body can be enabled to be equal to the atmospheric pressure all the time, the overall safety of the domestic water tank body is effectively improved, and no potential safety hazard exists when the domestic water tank body is used.

Through being provided with turbine and scroll bar, rotation through the turbine, can make the scroll bar rotate, thereby can drive the magnetism wheel through the scroll bar and rotate, through the magnetism wheel, can adsorb the magnetic impurities of aquatic, thereby can guarantee the inside quality of water of domestic water tank body, avoid the aquatic to contain magnetic impurities, and through being provided with the scraper blade, can be when the scraper blade rotates, clear up the incrustation scale of domestic water tank body bottom inner wall and strike off, thereby can effectual improvement domestic water tank body inside water quality, the health of drinking the person is influenced after avoiding drinking.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

fig. 2 is a schematic partial sectional perspective view of the scroll bar and the first inner bar of the present invention;

FIG. 3 is a schematic side view of a part of the living water tank body according to the present invention;

FIG. 4 is a schematic side view of the second bevel gear and the outer rod of the present invention;

fig. 5 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 6 is an enlarged schematic view of the structure at B in fig. 5 according to the present invention;

fig. 7 is an enlarged schematic view of the structure at C in fig. 1 according to the present invention;

fig. 8 is an enlarged schematic view of the structure at D in fig. 1 according to the present invention;

fig. 9 is an enlarged schematic view of the structure at E in fig. 1 according to the present invention.

In the figure: 1. a support pillar; 2. a living water tank body; 3. a water inlet; 4. a rubber plug; 5. a filter frame; 6. a first connecting rod; 7. a turbine; 8. a scroll bar; 9. a first inner bar; 10. a movable plug; 11. a first spring; 12. a fixing frame; 13. a first rotating lever; 14. a first sliding sleeve; 15. a slider; 16. a clamping rod; 17. a rubber layer; 18. a magnetic wheel; 19. a second rotating lever; 20. a first transmission mechanism; 21. a third rotating rod; 22. a second transmission mechanism; 23. a fourth rotating rod; 24. a first bevel gear; 25. a second bevel gear; 26. an outer rod; 27. a second inner bar; 28. a second spring; 29. fixing the rod; 30. a hinged lever; 31. a floating ball; 32. a baffle plate; 33. a squeegee; 34. an electromagnetic valve; 35. a movable rod; 36. a second connecting rod; 37. a large leather bag; 38. an overflow pipe; 39. a cylindrical tube; 40. a top cover; 41. a rubber pad; 42. a snap ring; 43. a second sliding sleeve; 44. a screw; 45. a third bevel gear; 46. a fourth bevel gear; 47. and (5) buckling.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides an embodiment:

a normal pressure closed domestic water tank comprises a support column 1, a domestic water tank body 2 and an electromagnetic valve 34, wherein the top end of the support column 1 is fixedly provided with the domestic water tank body 2, the position of the left side of the domestic water tank body 2 close to the top end is fixedly provided with a water inlet 3, the left side of the domestic water tank body 2 is inserted with a rubber plug 4, the inner wall of the left side of the domestic water tank body 2 is fixedly provided with a filter frame 5, the inner top of the filter frame 5 is fixedly provided with a first connecting rod 6, the bottom end of the first connecting rod 6 is hinged with a turbine 7, the turbine 7 is arranged on the inner wall of the filter frame 5 through a second rotating rod 19, the turbine 7 is meshed with a scroll rod 8, the turbine 7 is rotatably connected with the scroll rod 8, the scroll rod 8 can drive a magnetic wheel 18 to rotate, magnetic impurities in water can be adsorbed, the water quality inside the domestic water tank body 2 is ensured, the magnetic impurities in the water are avoided, the right side of the filter frame 5 is provided with the scroll rod 8 through a bearing, a first inner rod 9 is inserted into the scroll bar 8, the first inner rod 9 is cylindrical, a cylindrical hole groove corresponding to the first inner rod 9 is formed at the bottom of the scroll bar 8, the first inner rod 9 is inserted into the cylindrical hole groove, protruding blocks are symmetrically connected to two sides of the top end of the first inner rod 9, sliding grooves corresponding to the protruding blocks are formed in the scroll bar 8, the first inner rod 9 and the scroll bar 8 are in sliding connection, the magnetic wheel 18 is convenient to replace, a movable plug 10 is abutted against the top end of the first inner rod 9, the top end of the movable plug 10 is connected with the inner top of the scroll bar 8 through a first spring 11, one end of the first spring 11 is fixedly connected with the inner part of the scroll bar 8, the other end of the first spring 11 is fixedly connected with the top end of the movable plug 10, the magnetic wheel 18 is convenient to fix, a fixed frame 12 is fixedly connected to the bottom end of the first inner rod 9, and a first rotating rod 13 is installed in the fixed frame 12 through a bearing, the surface of the first rotating rod 13 is distributed with opposite external threads by a central position object, the inside of the first sliding sleeve 14 is provided with internal threads corresponding to the external threads of the first rotating rod 13, the first sliding sleeve 14 and the first rotating rod 13 are in threaded sliding connection so as to be convenient for clamping the magnetic wheel 18, the surface of the first rotating rod 13 is sleeved with the first sliding sleeve 14, the first sliding sleeve 14 is connected with the inner top part of the fixed frame 12 through a sliding block 15, the sliding block 15 is in a rectangular structure, the inner top part of the fixed frame 12 is provided with a rectangular sliding groove corresponding to the sliding block 15, the sliding block 15 is inserted in the rectangular sliding groove, the sliding block 15 and the fixed frame 12 are in sliding connection so as to be convenient for the clamping rod 16 to linearly slide in the fixed frame 12 through the sliding block 15, one end of the first sliding sleeve 14 far away from the sliding block 15 is fixedly connected with the clamping rod 16, one side of the clamping rod 16 close to each other is fixedly connected with a rubber layer 17, one side of the rubber layer 17 close to each other is provided with the magnetic wheel 18, the central position of the turbine 7 is fixedly connected with a second rotating rod 19, the second rotating rod 19 is connected with a third rotating rod 21 through a first transmission mechanism 20, the third rotating rod 21 is connected with a fourth rotating rod 23 through a second transmission mechanism 22, the central position of the fourth rotating rod 23 is fixedly provided with a first bevel gear 24, the surface of the first bevel gear 24 is meshed with a second bevel gear 25, the bottom end of the second bevel gear 25 is fixedly connected with an outer rod 26, and a second inner rod 27 is inserted in the outer rod 26.

Two groups of convex blocks are symmetrically arranged on two sides of the top end of the second inner rod 27, two groups of sliding grooves corresponding to the convex blocks are arranged on the inner walls of two sides of the outer rod 26, the convex blocks are inserted into the inner walls of the sliding grooves, the second inner rod 27 is in sliding connection with the outer rod 26, the top end of the second inner rod 27 is connected with the outer rod 26 through a second spring 28, one end of the second spring 28 is fixedly connected with the inner top of the outer rod 26, the bottom end of the second spring 28 is fixedly connected with the top end of the second inner rod 27, through the expansion force of the second spring 28, the scraper 33 is always attached to and abutted against the inner bottom of the living water tank body 2, so that scale at the bottom of the living water tank body 2 can be scraped off, the top end of the second conical gear 25 is connected with a second connecting rod 36 through a movable rod 35, the second connecting rod 36 is fixedly arranged at the inner top of the living water tank body 2, a large leather bag 37 is fixedly arranged at the top end of the living water tank body 2, the big leather bag 37 is made of environment-friendly materials, is nontoxic and odorless, long in service life and convenient to operate, the overflow pipe 38 is fixedly installed on the right side of the domestic water tank body 2, the overflow pipe 38 is S-shaped, the overflow function is guaranteed to be normal, contact with air is blocked, a population is arranged on the left side of the top end of the domestic water tank body 2, a cylindrical pipe 39 is fixedly installed on the periphery of the top end of the population, a top cover 40 is hinged to the left side of the cylindrical pipe 39, a rubber pad 41 is glued on the surface of the top cover 40, a buckle 47 is fixedly connected on the right side of the top cover 40, the buckle 47 is L-shaped, a rectangular clamping groove is formed in the top end of the clamping ring 42, the clamping ring 42 is sleeved on the surface of the buckle 47, the clamping ring 42 is clamped and connected with the buckle 47, the clamping ring 42 is clamped on the surface of the buckle 47, the two groups of rubber pads 41 can be abutted through the top cover 40, and the cylindrical pipe 39 can be sealed, the effectual life water tank body 2 leakproofness that has improved, and buckle 47's surperficial cover is equipped with snap ring 42, the articulated second sliding sleeve 43 that is connected with in bottom of snap ring 42, and the inside of second sliding sleeve 43 is inserted and is equipped with screw rod 44, the bottom fixedly connected with third bevel gear 45 of screw rod 44, and the surface meshing of third bevel gear 45 has fourth bevel gear 46, filter frame 5's top fixedly connected with dead lever 29, and the articulated hinge joint pole 30 that is connected with in top of dead lever 29, the articulated baffle 32 that is connected with in left side of hinge pole 30, the articulated floater 31 that is connected with in right side of dead lever 29, the bottom fixedly connected with scraper blade 33 of pole 27 in the second, solenoid valve 34 is installed to the bottom central point department of life water tank body 2.

The working principle is as follows: when in use, according to the attached drawing 1, a water source enters the inside of the domestic water tank body 2 through the water inlet 3, the water flow drives the turbine 7 to rotate, the turbine 7 rotates to drive the worm 8 to rotate, the worm 8 rotates to drive the magnetic wheel 18 to rotate, and magnetic impurities in water can be adsorbed, so that the water quality inside the domestic water tank body 2 can be ensured, and the water is prevented from containing the magnetic impurities, when the water level reaches a certain water level, the floating ball 31 floats on the water surface according to the attached drawing 1, the hinged rod 30 is driven to hinge and rotate at the top end of the fixed rod 29, the baffle 32 slides downwards inside the filter frame 5 to block the water inlet 3 and stop water inflow, when the inside of the domestic water tank body 2 needs to be cleaned, the electromagnetic valve 34 is opened according to the attached drawings 1, 3 and 4, water is injected into the inside of the domestic water tank body 2 through the water inlet 3, the turbine 7 rotates to drive the second rotating rod 19 to rotate, second dwang 19 rotates and drives third dwang 21 through first drive mechanism 20 and rotates, third dwang 21 rotates and drives fourth dwang 23 through second drive mechanism 22 and rotates, fourth dwang 23 rotates and drives first bevel gear 24 and rotates, first bevel gear 24 rotates and drives second bevel gear 25 and rotate, second bevel gear 25 rotates outer pole 26 and rotates, outer pole 26 rotates and drives pole 27 in the second and rotates, pole 27 rotates and drives scraper blade 33 and rotates in the second, strike off the incrustation scale of the interior bottom of domestic water tank body 2, wash away through water simultaneously, avoid leading to the interior bottom incrustation scale accumulation of domestic water tank body 2 too much for a long time, influence quality of water, after the washing is accomplished, close solenoid valve 34, the operation is accomplished, above this is this practical whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a airtight life water tank of ordinary pressure, includes support column (1), life water tank body (2) and solenoid valve (34), its characterized in that: the water filter comprises a support column (1), a living water tank body (2) is fixedly mounted at the top end of the support column (1), a water inlet (3) is fixedly formed in the left side of the living water tank body (2) close to the top end, a rubber plug (4) is inserted in the left side of the living water tank body (2), a filter frame (5) is fixedly mounted on the inner wall of the left side of the living water tank body (2), a first connecting rod (6) is fixedly mounted at the inner top of the filter frame (5), a turbine (7) is hinged to the bottom end of the first connecting rod (6), a scroll rod (8) is mounted inside the right side of the filter frame (5) through a bearing, a first inner rod (9) is inserted inside the scroll rod (8), a movable plug (10) is abutted to the top end of the first inner rod (9), and the top end of the movable plug (10) is connected with the inner top of the scroll rod (8) through a first spring (11), the bottom end of the first inner rod (9) is fixedly connected with a fixed frame (12), a first rotating rod (13) is installed inside the fixed frame (12) through a bearing, the surface sleeve of the first rotating rod (13) is provided with a first sliding sleeve (14), the first sliding sleeve (14) is connected with the inner top of the fixed frame (12) through a sliding block (15), one end, far away from the sliding block (15), of the first sliding sleeve (14) is fixedly connected with a clamping rod (16), one side, close to each other, of the clamping rod (16) is fixedly connected with a rubber layer (17), one side, close to each other, of the rubber layer (17) is butted with a magnetic wheel (18), the center position of the turbine (7) is fixedly connected with a second rotating rod (19), the second rotating rod (19) is connected with a third rotating rod (21) through a first transmission mechanism (20), and the third rotating rod (21) is connected with a fourth rotating rod (23) through a second transmission mechanism rotating rod (22), and the central point of fourth dwang (23) puts fixed mounting and has first conical gear (24), the surface meshing of first conical gear (24) has second conical gear (25), and the bottom fixedly connected with outer pole (26) of second conical gear (25), the inside of outer pole (26) is inserted and is equipped with pole (27) in the second, and the top of pole (27) in the second is passed through second spring (28) and is connected with outer pole (26), the top of second conical gear (25) is passed through movable rod (35) and is connected with second connecting rod (36), second connecting rod (36) fixed mounting is at the interior top of domestic water tank body (2), the top fixed mounting of domestic water tank body (2) has big leather bag (37), the right side fixed mounting of domestic water tank body (2) has overflow pipe (38), the top left side of domestic water tank body (2) has seted up the population, a cylindrical pipe (39) is fixedly installed on the periphery of the top end of a population, a top cover (40) is hinged and connected to the left side of the cylindrical pipe (39), a rubber pad (41) is glued on the surface of the top cover (40), a buckle (47) is fixedly connected to the right side of the top cover (40), a snap ring (42) is sleeved on the surface of the buckle (47), a second sliding sleeve (43) is hinged and connected to the bottom end of the snap ring (42), a screw rod (44) is inserted into the second sliding sleeve (43), a third conical gear (45) is fixedly connected to the bottom end of the screw rod (44), a fourth conical gear (46) is meshed on the surface of the third conical gear (45), a fixed rod (29) is fixedly connected to the top end of the filter frame (5), a hinge rod (30) is hinged and connected to the top end of the fixed rod (29), a baffle (32) is hinged and connected to the left side of the hinge rod (30), the right side of the fixed rod (29) is hinged with a floating ball (31), the bottom end of the second inner rod (27) is fixedly connected with a scraping plate (33), and the center of the bottom end of the domestic water tank body (2) is provided with an electromagnetic valve (34).

2. The normal pressure closed domestic water tank of claim 1, wherein: the inner wall at filter frame (5) is installed through second dwang (19) in turbine (7), turbine (7) mesh mutually with scroll bar (8), turbine (7) are connected with scroll bar (8) rotation.

3. The normal pressure closed domestic water tank of claim 1, wherein: the first inner rod (9) is cylindrical, a cylindrical hole groove corresponding to the first inner rod (9) is formed in the bottom of the scroll rod (8), the first inner rod (9) is inserted into the cylindrical hole groove, protruding blocks are symmetrically connected to the two sides of the top end of the first inner rod (9), sliding grooves corresponding to the protruding blocks are formed in the scroll rod (8), and the first inner rod (9) is in sliding connection with the scroll rod (8).

4. The normal pressure closed domestic water tank of claim 1, wherein: one end of the first spring (11) is fixedly connected with the inside of the scroll rod (8), and the other end of the first spring (11) is fixedly connected with the top end of the movable plug (10).

5. The normal pressure closed domestic water tank of claim 1, wherein: the surface of the first rotating rod (13) is provided with opposite external threads by using a central position object, internal threads corresponding to the external threads of the first rotating rod (13) are arranged in the first sliding sleeve (14), and the first sliding sleeve (14) is in threaded sliding connection with the first rotating rod (13).

6. The normal pressure closed domestic water tank of claim 1, wherein: the slider (15) are the rectangle structure, the rectangle spout corresponding with slider (15) is seted up at the interior top of fixed frame (12), slider (15) are inserted and are established the inside at the rectangle spout, slider (15) are sliding connection with fixed frame (12).

7. The normal pressure closed domestic water tank of claim 1, wherein: two sets of protruding jogs have been seted up to the top both sides symmetry of pole (27) in the second, two sets of spouts that correspond with protruding jogs are seted up to the both sides inner wall of outer pole (26), the inner wall of establishing at the spout is inserted to protruding jogs, pole (27) in the second is sliding connection with outer pole (26).

8. The normal pressure closed domestic water tank of claim 1, wherein: one end of the second spring (28) is fixedly connected with the inner top of the outer rod (26), and the bottom end of the second spring (28) is fixedly connected with the top end of the second inner rod (27).

9. The normal pressure closed domestic water tank of claim 1, wherein: the buckle (47) is L-shaped, a rectangular clamping groove is formed in the top end of the clamping ring (42), the clamping ring (42) is sleeved on the surface of the buckle (47), and the clamping ring (42) is connected with the buckle (47) in a clamping mode.