CN115288244A - No negative pressure secondary water supply equipment - Google Patents

No negative pressure secondary water supply equipment Download PDF

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Publication number
CN115288244A
CN115288244A CN202210917531.1A CN202210917531A CN115288244A CN 115288244 A CN115288244 A CN 115288244A CN 202210917531 A CN202210917531 A CN 202210917531A CN 115288244 A CN115288244 A CN 115288244A
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CN
China
Prior art keywords
air
tank
rod
sliding
piston body
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Pending
Application number
CN202210917531.1A
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Chinese (zh)
Inventor
李红
周俊明
孙晓斌
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Individual
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Individual
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Priority to CN202210917531.1A priority Critical patent/CN115288244A/en
Publication of CN115288244A publication Critical patent/CN115288244A/en
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B11/00—Arrangements or adaptations of tanks for water supply
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B11/00—Arrangements or adaptations of tanks for water supply
    • E03B11/02—Arrangements or adaptations of tanks for water supply for domestic or like local water supply
    • E03B11/06—Arrangements or adaptations of tanks for water supply for domestic or like local water supply with air regulators
    • E03B11/08—Air regulators
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B5/00—Use of pumping plants or installations; Layouts thereof
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/074—Arrangement of water treatment devices
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/075—Arrangement of devices for control of pressure or flow rate
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/078—Combined units with different devices; Arrangement of different devices with respect to each other
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention discloses negative-pressure-free secondary water supply equipment which comprises a pressure stabilizing tank, wherein a gas tank is arranged at the upper end of the pressure stabilizing tank, an overflow valve is arranged on the gas tank, a water outlet pipe is arranged at the lower end of the pressure stabilizing tank, a water outlet joint is arranged on the water outlet pipe, a water pump is arranged between the pressure stabilizing tank and the water outlet pipe and used for pumping water in the pressure stabilizing tank into the water outlet pipe, an energy storage tank communicated with the water outlet pipe is arranged on the water outlet pipe, a water inlet pipe used for supplying water into the pressure stabilizing tank is arranged below the pressure stabilizing tank, and the water inlet pipe is communicated with a municipal pipeline; a diaphragm is arranged between the upper end of the energy storage tank and the end cover, a first vertically-arranged sliding rod is fixedly arranged on the diaphragm, and an air supplementing assembly is arranged on the air tank and connected with the upper end of the first sliding rod; the non-negative pressure secondary water supply equipment has a simple structure and can realize automatic air supply.

Description

No negative pressure secondary water supply equipment
Technical Field
The invention relates to the technical field of secondary water supply, in particular to non-negative-pressure secondary water supply equipment.
Background
With the acceleration of the urbanization process, more and more people live in high-rise residences, and the primary water source of a water works cannot be sent to high-rise users, so that secondary water supply equipment is needed. No negative pressure secondary water supply equipment is the secondary pressure boost water supply equipment that a direct and municipal pipe network links to each other, thereby because characteristics such as its energy saving, safety, reliable, water pressure are steady have obtained wide use, but current no negative pressure secondary water supply equipment at the during operation, can appear the problem generally: in the prior art, a surge tank in non-negative pressure secondary water supply equipment has the functions of stabilizing pressure and ensuring the water consumption of residents during the peak period of water consumption at night, tap water is injected into the surge tank when the surge tank is used, and then air in the surge tank is compressed, so that the air pressure is improved, but as the air in the surge tank needs to be kept for a long time until the peak period of water consumption at night, a large amount of air is dissolved in water under the action of pressure, so that the air pressure is gradually reduced, an air compressor needs to be used for supplementing air to the surge tank, but the air supplementing process needs to be started manually, so that the operation is very inconvenient; meanwhile, when the non-negative-pressure secondary water supply equipment is used, tap water needs to be filtered, so that the filter screen needs to be manually replaced after a long time, and the filter screen is prevented from being blocked.
Disclosure of Invention
The invention aims to provide negative-pressure-free secondary water supply equipment which is simple in structure and capable of automatically supplementing air.
In order to achieve the purpose, the invention provides the following technical scheme: a kind of non-negative pressure secondary water supply equipment, including surge tank, the upper end of the said surge tank has gas tanks, there are relief valves on the said gas tank, the lower end of the said surge tank has water outlet pipes, there are water connectors on the said water outlet pipe, there are water pumps between said surge tank and water outlet pipe, the said water pump is used for entering the water pump in the surge tank into the water outlet pipe, there are energy storage tanks communicated with water outlet pipe on the said water outlet pipe, the below of the said surge tank has inlet tubes used for supplying water to the surge tank, the said inlet tube communicates with municipal pipeline; a diaphragm is arranged between the upper end of the energy storage tank and the end cover, a first vertically-arranged sliding rod is fixedly arranged on the diaphragm, and an air supplementing assembly is arranged on the air tank and connected with the upper end of the first sliding rod; when water enters the energy storage tank, the first sliding rod is driven by the partition plate to move upwards, and when the water in the energy storage tank flows out, the first sliding rod is driven by the diaphragm to move downwards; when the first sliding rod moves upwards, the air supplementing assembly inhales air, and when the piston body in the air supplementing assembly moves leftwards to the left end position, the air supplementing assembly sends air into the air tank.
Further, the air supplementing assembly comprises an air supplementing cylinder body arranged on the air tank along the left-right direction, a cylinder hole with an opening at the left end is formed in the air supplementing cylinder body, and the left end of the air supplementing cylinder body is rotatably connected with a cylinder cover; a piston body is connected in the cylinder hole in a sliding mode along the left-right direction, a sliding hole penetrating through the cylinder cover from left to right is formed in the cylinder cover, a threaded rod penetrating through the sliding hole from left to right is arranged at the left end of the piston body, and a convex plate is fixedly arranged at the left end of the threaded rod; a first spring is arranged between the cylinder cover and the piston body in the cylinder hole and used for forcing the piston body to move rightwards; a first one-way transmission assembly is arranged between the upper end of the first sliding rod and the cylinder cover, and controls the cylinder cover to rotate when the first sliding rod moves upwards; a control rod with a square cross section is connected in the cylinder cover in a sliding mode in the left-right direction, when the control rod is located at the right end position, the threaded rod drives the piston body to move leftwards along with the rotation of the cylinder cover, and when the control rod is located at the left end position, the piston body moves to the right end position of the cylinder hole under the action of a first spring; when the piston body moves to the left end position leftwards, the piston body pushes the control rod to move to the left end position leftwards, and when the piston body moves to the right end position rightwards, the convex plate pushes the control rod to move to the right end position rightwards.
Further, the first unidirectional transmission assembly comprises a first ratchet plate, a first ratchet wheel is arranged on the outer side of the cylinder cover, a first sliding groove is formed in the first sliding rod, the first ratchet plate is located in the first sliding groove, and a first elastic sheet used for forcing the first ratchet plate to be tightly pressed on the first ratchet wheel is arranged in the first sliding groove; when the first sliding rod moves upwards, the first ratchet plate drives the first ratchet wheel to rotate, and when the first sliding rod moves downwards, the first ratchet plate does not drive the first ratchet wheel to rotate.
Furthermore, a pushing block is connected to the cylinder cover in a sliding mode along the radial direction of the threaded rod, a protruding rod which is used for abutting against the outer side of the threaded rod is arranged on the pushing block, a pushing groove is formed in the outer side of the control rod, the protruding rod leaves the outer side of the threaded rod when the pushing block enters the pushing groove, and the protruding rod abuts against the outer side of the threaded rod when the pushing block is separated from the pushing groove; when the convex rod abuts against the outer side of the threaded rod, the cylinder cover rotates to drive the piston body to move leftwards to compress the first spring; be equipped with the location ball in the cylinder cap and be used for forcing the second spring that the location ball compressed tightly on the control lever, be equipped with left constant head tank and the right constant head tank that supplies the location ball to get into on the control lever, when the control lever is in the right-hand member position, the location ball gets into in the left constant head tank, when the control lever is in the left end position, the location ball gets into in the right constant head tank.
Furthermore, the lateral wall in jar hole is equipped with spacing spout along left right direction, the outside of piston body is fixed to be equipped with the stopper of sliding connection in the spacing spout.
Further, an air cavity is formed between the right end of the piston body and the right end of the cylinder hole in the cylinder hole, and the right end of the air supplementing cylinder body is provided with a first air inlet one-way valve communicated with the air cavity and a first air outlet one-way valve used for communicating the air cavity with the air tank; when the piston body moves leftwards, gas enters the gas cavity through the first gas inlet one-way valve, and when the piston body moves rightwards, gas in the gas cavity enters the gas tank through the first gas outlet one-way valve.
Furthermore, a convex disc is arranged on the outer side of the water inlet pipe, a first rotating shaft is rotationally connected in the convex disc, a rotating disc which is rotationally connected in the convex disc is fixedly arranged on the first rotating shaft, a plurality of filter screens are uniformly arranged in the rotating disc at intervals along the circumferential direction, and the filter screens are used for filtering impurities entering the water inlet pipe; a through hole is formed in the convex disc along the axial direction of the water inlet pipe, and when one filter screen rotates into the water inlet pipe, the other filter screen rotates into the through hole; and a second one-way transmission assembly is arranged between the lower end of the first slide bar and the first rotating shaft, and controls the first rotating shaft to rotate by 90 degrees when the first slide bar moves downwards to the lower end position, and controls the first rotating shaft to be immobile when the first slide bar moves upwards.
Furthermore, the second one-way transmission assembly comprises a second ratchet plate, a second sliding rod is connected in the energy storage tank in a sliding mode along the left-right direction, the left end of the second sliding rod is located in the energy storage tank, and a connecting rod is arranged between the left end of the second sliding rod and the lower end of the first sliding rod; when the first slide bar moves downwards, the connecting rod drives the second slide bar to move rightwards, and when the first slide bar moves upwards, the connecting rod drives the second slide bar to move leftwards; a second ratchet wheel is fixedly arranged at the end part of the first rotating shaft, a second sliding groove is formed in the second sliding rod, the second ratchet plate is located in the second sliding groove, and a second elastic sheet used for forcing the second ratchet plate to be tightly pressed on the second ratchet wheel is arranged in the second sliding groove; when the second slide bar moves rightwards, the second ratchet plate drives the second ratchet wheel to rotate, and when the second slide bar moves leftwards, the second ratchet plate does not drive the second ratchet wheel to rotate.
Furthermore, an air bag is arranged at one end of the through hole on the convex disc, and a second air inlet one-way valve and a second air outlet one-way valve communicated with the through hole are arranged in the air bag; the convex disc is provided with a baffle at the air bag outlet, the right end of the second slide bar is provided with a pressing plate, when the second slide bar moves leftwards, the pressing plate presses the air bag on the baffle, and air in the air bag is blown to the filter screen in the through hole through the second air outlet one-way valve.
Advantageous effects
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. the automatic pressure supplementing device has the advantages that the pressure supplementing component is arranged above the pressure stabilizing tank, the pressure supplementing component is used for supplementing pressure to the gas tank, automatic pressure supplementing can be carried out on the pressure stabilizing tank, the overflow valve is arranged on the pressure stabilizing tank, when the pressure in the pressure stabilizing tank is raised too high by the pressure supplementing component, the overflow valve is opened, the pressure stabilizing tank is protected, manual supervision is not needed, and the automatic pressure supplementing device is automated Chenggao;
2. the filter screen which can be replaced through rotation is arranged on the water inlet pipe of the non-negative-pressure secondary water supply equipment, the air bag is arranged on the rear side of the filter screen, high-pressure air is discharged through extruding the air bag and is blown onto the replaced filter screen, and the replaced filter screen can be cleaned, so that the filter screen can be repeatedly used, and manual replacement is avoided;
3. the diaphragm is arranged in the energy storage tank and drives the first slide rod to move through the diaphragm, when a user uses water at a small flow, the water in the energy storage tank flows out, the pressure above the tank is reduced, the diaphragm contracts to drive the first slide rod to move, and further the pressure compensating assembly can be driven to work to compensate pressure, the pressure stabilizing tube can be automatically compensated through continuous work of the energy storage tank, an externally-connected air compensating device is not needed, and manual operation is avoided;
4. through set up the diaphragm in the energy storage tank, and drive first slide bar through the diaphragm and remove, when user's miniflow water consumption, the internal water of energy storage tank flows out, jar top pressure reduces, and the diaphragm shrink drives first slide bar decline, and then can drive the second slide bar and stretch out right, and when the energy storage tank fluid infusion, the diaphragm rises, drives first slide bar and rises, and then can drive the second slide bar and shrink left, can drive the filter screen through the flexible of second slide bar and rotate and carry out the automatic change.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged view taken at I of FIG. 1 according to the present invention;
FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 3 in accordance with the present invention;
FIG. 5 is a cross-sectional view taken along line D-D of FIG. 3 in accordance with the present invention;
FIG. 6 is an enlarged view taken at II of FIG. 1 in accordance with the present invention;
fig. 7 is a sectional view taken along line B-B of fig. 6 in accordance with the present invention.
Detailed Description
Referring to fig. 1-7, a non-negative pressure secondary water supply device includes a surge tank 11, a gas tank 12 is disposed at an upper end of the surge tank 11, an overflow valve 4 is disposed on the gas tank 12, a water outlet pipe 14 is disposed at a lower end of the surge tank 11, a water outlet joint 14a is disposed on the water outlet pipe 14, a water pump 22 is disposed between the surge tank 11 and the water outlet pipe 14, the water pump 22 is used for pumping the water pump 22 in the surge tank 11 into the water outlet pipe 14, an energy storage tank 13 communicated with the water outlet pipe 14 is disposed on the water outlet pipe 14, a water inlet pipe 14b for supplying water into the surge tank 11 is disposed below the surge tank 11, and the water inlet pipe 14b is communicated with a municipal pipeline; a diaphragm 16 is arranged between the upper end of the energy storage tank 13 and the end cover 15, a first slide rod 31 which is vertically arranged is fixedly arranged on the diaphragm 16, and an air supplementing assembly is arranged on the air tank 12 and is connected with the upper end of the first slide rod 31; when water enters the energy storage tank 13, the first sliding rod 31 is driven by the partition plate to move upwards, and when the water in the energy storage tank 13 flows out, the first sliding rod 31 is driven by the diaphragm 16 to move downwards; when the first sliding rod 31 moves upwards, the air supplement assembly inhales, and when the piston body 65 in the air supplement assembly moves leftwards to the left end position, the air supplement assembly sends air into the air tank 12.
The air supplementing assembly comprises an air supplementing cylinder body 17 arranged on the air tank 12 in the left-right direction, a cylinder hole 17a with an open left end is formed in the air supplementing cylinder body 17, and the left end of the air supplementing cylinder body 17 is rotatably connected with a cylinder cover 6a; a piston body 65 is connected in the cylinder hole 17a in a sliding manner along the left-right direction, a sliding hole 6b which penetrates through the cylinder cover 6a from left to right is formed in the cylinder cover 6a, a threaded rod 62 which penetrates through the sliding hole 6b from left to right is arranged at the left end of the piston body 65, and a convex plate 64 is fixedly arranged at the left end of the threaded rod 62; a first spring 67 is provided between the cylinder head 6a and the piston body 65 in the cylinder hole 17a, and the first spring 67 is used for forcing the piston body 65 to move to the right; a first one-way transmission assembly is arranged between the upper end of the first sliding rod 31 and the cylinder cover 6a, and controls the cylinder cover 6a to rotate when the first sliding rod 31 moves upwards; a control rod 63 with a square cross section is connected in the cylinder cover 6a in a sliding mode along the left-right direction, when the control rod 63 is located at the right end position, the threaded rod 62 drives the piston body 65 to move leftwards along with the rotation of the cylinder cover 6a, and when the control rod is located at the left end position, the piston body 65 moves to the right end position of the cylinder hole 17a under the action of the first spring 67; when the piston body 65 moves to the left end position, the piston body 65 pushes the control rod 63 to move to the left end position, and when the piston body 65 moves to the right end position, the convex plate 64 pushes the control rod 63 to move to the right end position.
The first unidirectional transmission assembly comprises a first ratchet plate 38, a first ratchet wheel 61 is arranged on the outer side of the cylinder cover 6a, a first sliding groove 3a is formed in the first sliding rod 31, the first ratchet plate 38 is located in the first sliding groove 3a, and a first elastic sheet 37 used for forcing the first ratchet plate 38 to be pressed on the first ratchet wheel 61 is arranged in the first sliding groove 3 a; when the first slide bar 31 moves upward, the first ratchet plate 38 rotates the first ratchet wheel 61, and when the first slide bar 31 moves downward, the first ratchet plate 38 does not rotate the first ratchet wheel 61.
A push block 69a is connected in the cylinder cover 6a in a sliding manner along the radial direction of the threaded rod 62, a convex rod 69 which is used for abutting against the outer side of the threaded rod 62 is arranged on the push block 69a, a push groove 633 is arranged on the outer side of the control rod 63, when the push block 69a enters the push groove 633, the convex rod 69 leaves the outer side of the threaded rod 62, and when the push block 69a leaves the push groove 633, the convex rod 69 abuts against the outer side of the threaded rod 62; when the convex rod 69 abuts against the outer side of the threaded rod 62, the cylinder cover 6a rotates to drive the piston body 65 to move leftwards to compress the first spring 67; the cylinder cover 6a is internally provided with a positioning ball 68 and a second spring 68a for forcing the positioning ball 68 to press on the control rod 63, the control rod 63 is provided with a left positioning groove 631 and a right positioning groove 632 for the positioning ball 68 to enter, when the control rod 63 is at the right end position, the positioning ball 68 enters the left positioning groove 631, and when the control rod 63 is at the left end position, the positioning ball 68 enters the right positioning groove 632. The side wall of the cylinder hole 17a is provided with a limiting sliding groove 6c along the left-right direction, and the outer side of the piston body 65 is fixedly provided with a limiting block 66 which is connected in the limiting sliding groove 6c in a sliding manner. An air cavity is formed in the cylinder hole 17a between the right end of the piston body 65 and the right end of the cylinder hole 17a, and the right end of the air supplementing cylinder body 17 is provided with a first air inlet one-way valve 71 communicated with the air cavity and a first air outlet one-way valve 72 used for communicating the air cavity with the air tank 12; when the piston body moves to the left, gas enters the gas chamber through the first inlet check valve 71, and when the piston body 65 moves to the right, gas in the gas chamber enters the gas tank 12 through the first outlet check valve 72.
In this embodiment, a convex disc 14c is arranged on the outer side of the water inlet pipe 14b, a first rotating shaft 5a is rotatably connected in the convex disc 14c, a rotating disc 52 rotatably connected in the convex disc 14c is fixedly arranged on the first rotating shaft 5a, a plurality of filter screens 53 are uniformly arranged in the rotating disc 52 at intervals along the circumferential direction, and the filter screens 53 are used for entering the water inlet pipe 14b to filter impurities; a through hole 14c is formed in the convex disc 14c in the axial direction of the water inlet pipe 14b, and when one filter screen 53 rotates into the water inlet pipe 14b, the other filter screen 53 rotates into the through hole 14 c; and a second one-way transmission assembly is arranged between the lower end of the first slide bar 31 and the first rotating shaft 5a, and controls the first rotating shaft 5a to rotate 90 degrees when the first slide bar 31 moves downwards to the lower end position, and controls the first rotating shaft 5a not to rotate when the first slide bar 31 moves upwards. The second one-way transmission assembly comprises a second ratchet plate 35, a second sliding rod 33 is connected in the energy storage tank 13 in a sliding manner along the left-right direction, the left end of the second sliding rod 33 is positioned in the energy storage tank 13, and a connecting rod 32 is arranged between the left end of the second sliding rod 33 and the lower end of the first sliding rod 31; when the first slide bar 31 moves downwards, the connecting rod 32 drives the second slide bar 33 to move rightwards, and when the first slide bar 31 moves upwards, the connecting rod 32 drives the second slide bar 33 to move leftwards; a second ratchet wheel 51 is fixedly arranged at the end of the first rotating shaft 5a, a second sliding chute 33a is arranged in the second sliding rod 33, the second ratchet plate 35 is positioned in the second sliding chute 33a, and a second elastic sheet 36 for forcing the second ratchet plate 35 to be tightly pressed on the second ratchet wheel 51 is arranged in the second sliding chute 33 a; when the second sliding rod 33 moves to the right, the second ratchet plate 35 drives the second ratchet wheel 51 to rotate, and when the second sliding rod 33 moves to the left, the second ratchet plate 35 does not drive the second ratchet wheel 51 to rotate. The convex disc 14c is provided with an air bag 54 at one end of the through hole 14c, and the air bag 54 is internally provided with a second air inlet one-way valve 55 and a second air outlet one-way valve 56 communicated with the through hole 14 c; a baffle 14d is arranged on the air bag 54 on the convex disc 14c, a pressing plate 331 is arranged at the right end of the second sliding rod 33, when the second sliding rod 33 moves leftwards, the pressing plate 331 presses the air bag 54 on the baffle 14d, and air in the air bag 54 is blown to the filter screen 53 in the through hole 14c through the second air outlet one-way valve 56.
When the water storage tank is used, municipal pipeline tap water enters the pressure stabilizing tank 11 through the water inlet pipe 14b and compresses air in the pressure stabilizing tank 11, so that the air pressure in the air tank 12 is increased, when no water flows out from the water outlet joint 14a, the tap water enters the energy storage tank 13 through the water outlet pipe 14 due to the action of the water pump 22, the air in the energy storage tank is compressed, the pressure of the tap water is increased, and the diaphragm 16 is pushed to protrude upwards.
When the user uses water with small flow in the daytime, the water pump 22 does not work due to small flow, the tap water is supplied by the air pressure in the energy storage tank 13, the pressure of the tap water is gradually reduced, the diaphragm 16 is slowly descended, the first sliding rod 31 is further driven to be gradually descended, the first ratchet plate 38 is driven to move downwards, under the action of the first spring piece 37, the first ratchet wheel 61 cannot be driven to rotate, when the pressure in the energy storage tank 13 is too small, the water pump 22 is started to work with small power, the energy storage tank 13 is replenished with water, and the air inside the energy storage tank is compressed, so that the pressure of the energy storage tank is increased, the diaphragm 16 is pushed to protrude upwards, the first slide rod 31 is driven to ascend, the first ratchet plate 38 drives the first ratchet wheel 61 to rotate, since the protruding rod 69 and the threaded rod 62 in the cylinder cover 6a are engaged, the piston body 65 is driven to move leftwards against the first spring 67 when the cylinder cover 6a rotates, and through repeated water using and water replenishing processes, the piston body 65 can be driven to move leftwards all the time, when the piston body 65 touches the right end of the control rod 63, the control rod 63 is pushed to move leftwards, so that the detent ball 68 enters the right detent 632, the push block 69a enters the push groove 633, the protruding rod 69 does not engage with the threaded rod 62, so that the piston body 65 is pushed to the right by the first spring 67, through the action of the first inlet check valve 71 and the first outlet check valve 72, air is pushed into the air tank 12 for pressure compensation, and, when the protruding plate 64 touches the left end of the control lever 63, the control lever 63 is pushed to move rightward, so that the positioning ball 68 enters the left positioning groove 631, the push block 69a drives the protruding rod 69 to exit the push groove 633 and cooperate with the threaded rod 62, thereby realizing repeated pressure compensation, when the pressure in the air tank 12 is larger than the set value of the overflow valve 4, the air is discharged from the overflow valve 4, and the pressure stabilizing tank 11 is protected.
When a user uses small water flow in the daytime and the energy storage tank 13 supplies water, the pressure in the energy storage tank 13 is reduced, the diaphragm 16 drives the first slide rod 31 to descend, the second slide rod 33 is driven to move rightwards to the right end position through the connecting rod 32, the second ratchet plate 51 is driven to rotate 90 degrees through the second ratchet plate 35, the rotary disc 52 is driven to rotate, the filter screen 53 is replaced, the water pump 22 does not work during small water flow, the filter screen 53 is not changed, when the water pressure of the energy storage tank 13 is too low and liquid needs to be replenished, the water pump 22 is started, water enters the energy storage tank 13, the air pressure in the energy storage tank rises due to the rise of the air pressure, the first slide rod 31 is driven to rise through the diaphragm 16 to drive the second slide rod 33 to move leftwards, the second ratchet plate 35 cannot drive the second ratchet 51 to rotate due to the action of the second elastic sheet 36, the filter screen 53 on the water inlet pipe 14b normally works, at the moment, the second slide rod 33 moves leftwards to drive the pressing plate 331 to compress the air bag 54, air is sprayed under the action of the second air inlet check valve 55 and the second air outlet check valve 56 to clean the filter screen 53 at the position, and to avoid the impurity of air blowing, and the filter screen 53 can be repeatedly blocked.
When large flow of water is used at night, the water pump 22 needs to be started and the pressure provided by the air in the surge tank 11 to the water is used to ensure the water pressure of water supply for users, so that the water supply with stable pressure is realized.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (9)

1. The negative-pressure-free secondary water supply equipment is characterized by comprising a pressure stabilizing tank, wherein a gas tank is arranged at the upper end of the pressure stabilizing tank, an overflow valve is arranged on the gas tank, a water outlet pipe is arranged at the lower end of the pressure stabilizing tank, a water outlet joint is arranged on the water outlet pipe, a water pump is arranged between the pressure stabilizing tank and the water outlet pipe and used for pumping water in the pressure stabilizing tank into the water outlet pipe, an energy storage tank communicated with the water outlet pipe is arranged on the water outlet pipe, a water inlet pipe used for supplying water into the pressure stabilizing tank is arranged below the pressure stabilizing tank, and the water inlet pipe is communicated with a municipal pipeline; a diaphragm is arranged between the upper end of the energy storage tank and the end cover, a first vertically-arranged sliding rod is fixedly arranged on the diaphragm, and an air supplementing assembly is arranged on the air tank and connected with the upper end of the first sliding rod; when water in the energy storage tank flows out, the diaphragm drives the first sliding rod to move downwards; when the first sliding rod moves upwards, the air supplementing assembly inhales air, and when the piston body in the air supplementing assembly moves leftwards to the left end position, the air supplementing assembly sends air into the air tank.
2. The non-negative-pressure secondary water supply device as claimed in claim 1, wherein the air supply assembly comprises an air supply cylinder body arranged on the air tank along the left-right direction, a cylinder hole with an open left end is formed in the air supply cylinder body, and a cylinder cover is rotatably connected to the left end of the air supply cylinder body; a piston body is connected in the cylinder hole in a sliding mode along the left-right direction, a sliding hole penetrating through the cylinder cover from left to right is formed in the cylinder cover, a threaded rod penetrating through the sliding hole from left to right is arranged at the left end of the piston body, and a convex plate is fixedly arranged at the left end of the threaded rod; a first spring is arranged between the cylinder cover and the piston body in the cylinder hole and used for forcing the piston body to move rightwards; a first one-way transmission assembly is arranged between the upper end of the first sliding rod and the cylinder cover, and controls the cylinder cover to rotate when the first sliding rod moves upwards; a control rod with a square cross section is connected in the cylinder cover in a sliding mode along the left-right direction, when the control rod is located at the right end position, the threaded rod drives the piston body to move leftwards along with the rotation of the cylinder cover, and when the control rod is located at the left end position, the piston body moves to the right end position of the cylinder hole under the action of the first spring; when the piston body moves to the left end position leftwards, the piston body pushes the control rod to move to the left end position leftwards, and when the piston body moves to the right end position rightwards, the convex plate pushes the control rod to move to the right end position rightwards.
3. The negative-pressure-free secondary water supply equipment as claimed in claim 2, wherein the first one-way transmission assembly comprises a first ratchet plate, a first ratchet wheel is arranged on the outer side of the cylinder cover, a first sliding groove is formed in the first sliding rod, the first ratchet plate is located in the first sliding groove, and a first elastic sheet for forcing the first ratchet plate to be pressed on the first ratchet wheel is arranged in the first sliding groove; when the first slide bar moves upwards, the first ratchet plate drives the first ratchet wheel to rotate, and when the first slide bar moves downwards, the first ratchet plate does not drive the first ratchet wheel to rotate.
4. The non-negative-pressure secondary water supply equipment as claimed in claim 3, wherein a push block is slidably connected in the cylinder cover along the radial direction of the threaded rod, a convex rod which is used for abutting against the outer side of the threaded rod is arranged on the push block, a push groove is formed in the outer side of the control rod, the convex rod leaves the outer side of the threaded rod when the push block enters the push groove, and the convex rod abuts against the outer side of the threaded rod when the push block is separated from the push groove; when the convex rod is abutted against the outer side of the threaded rod, the cylinder cover rotates to drive the piston body to move leftwards to compress the first spring; be equipped with the location ball in the cylinder cap and be used for forcing the second spring that the location ball compressed tightly on the control lever, be equipped with left constant head tank and the right constant head tank that supplies the location ball to get into on the control lever, when the control lever is in the right-hand member position, the location ball gets into in the left constant head tank, when the control lever is in the left end position, the location ball gets into in the right constant head tank.
5. The non-negative-pressure secondary water supply equipment as claimed in claim 3, wherein the side wall of the cylinder hole is provided with a limiting sliding groove along the left-right direction, and the outer side of the piston body is fixedly provided with a limiting block which is slidably connected in the limiting sliding groove.
6. The non-negative pressure secondary water supply equipment according to claim 3, wherein an air chamber is formed in the cylinder hole between the right end of the piston body and the right end of the cylinder hole, and the right end of the air supplementing cylinder body is provided with a first air inlet check valve communicated with the air chamber and a first air outlet check valve used for communicating the air chamber with the air tank; when the piston body moves leftwards, gas enters the gas cavity through the first gas inlet one-way valve, and when the piston body moves rightwards, gas in the gas cavity enters the gas tank through the first gas outlet one-way valve.
7. The non-negative-pressure secondary water supply equipment as claimed in claim 1, wherein a convex disc is arranged on the outer side of the water inlet pipe, a first rotating shaft is rotatably connected in the convex disc, a rotating disc rotatably connected in the convex disc is fixedly arranged on the first rotating shaft, a plurality of filter screens are uniformly arranged in the rotating disc at intervals along the circumferential direction, and the filter screens are used for filtering impurities entering the water inlet pipe; a through hole is formed in the convex disc along the axial direction of the water inlet pipe, and when one filter screen rotates into the water inlet pipe, the other filter screen rotates into the through hole; and a second one-way transmission assembly is arranged between the lower end of the first slide bar and the first rotating shaft, and controls the first rotating shaft to rotate by 90 degrees when the first slide bar moves downwards to the lower end position, and controls the first rotating shaft to be immobile when the first slide bar moves upwards.
8. The non-negative-pressure secondary water supply equipment according to claim 7, wherein the second one-way transmission assembly comprises a second ratchet plate, a second sliding rod is connected in the energy storage tank in a sliding manner along the left-right direction, the left end of the second sliding rod is positioned in the energy storage tank, and a connecting rod is arranged between the left end of the second sliding rod and the lower end of the first sliding rod; when the first slide bar moves downwards, the connecting rod drives the second slide bar to move rightwards, and when the first slide bar moves upwards, the connecting rod drives the second slide bar to move leftwards; a second ratchet wheel is fixedly arranged at the end part of the first rotating shaft, a second sliding groove is formed in the second sliding rod, the second ratchet plate is located in the second sliding groove, and a second elastic sheet used for forcing the second ratchet plate to be tightly pressed on the second ratchet wheel is arranged in the second sliding groove; when the second sliding rod moves to the right, the second ratchet plate drives the second ratchet wheel to rotate, and when the second sliding rod moves to the left, the second ratchet plate does not drive the second ratchet wheel to rotate.
9. The non-negative-pressure secondary water supply equipment as claimed in claim 8, wherein the convex disc is provided with an air bag at one end of the through hole, and the air bag is internally provided with a second air inlet one-way valve and a second air outlet one-way valve communicated with the through hole; the convex disc is provided with a baffle at the outlet of the air bag, the right end of the second sliding rod is provided with a pressing plate, when the second sliding rod moves leftwards, the pressing plate presses the air bag on the baffle, and air in the air bag is blown to the filter screen in the through hole through the second air outlet one-way valve.
CN202210917531.1A 2022-08-01 2022-08-01 No negative pressure secondary water supply equipment Pending CN115288244A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210917531.1A CN115288244A (en) 2022-08-01 2022-08-01 No negative pressure secondary water supply equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210917531.1A CN115288244A (en) 2022-08-01 2022-08-01 No negative pressure secondary water supply equipment

Publications (1)

Publication Number Publication Date
CN115288244A true CN115288244A (en) 2022-11-04

Family

ID=83825869

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210917531.1A Pending CN115288244A (en) 2022-08-01 2022-08-01 No negative pressure secondary water supply equipment

Country Status (1)

Country Link
CN (1) CN115288244A (en)

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Application publication date: 20221104

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