CN106592706B - Vacuum suppressor for non-negative pressure water supply - Google Patents

Vacuum suppressor for non-negative pressure water supply Download PDF

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Publication number
CN106592706B
CN106592706B CN201710046098.8A CN201710046098A CN106592706B CN 106592706 B CN106592706 B CN 106592706B CN 201710046098 A CN201710046098 A CN 201710046098A CN 106592706 B CN106592706 B CN 106592706B
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China
Prior art keywords
floating ball
ball
air inlet
barrel
water supply
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CN106592706A (en
Inventor
浦胜余
鲁涛
赵金贵
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Siping Zhongxing Machinery Equipment Co ltd
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Siping Zhongxing Machinery Equipment Co ltd
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B11/00Arrangements or adaptations of tanks for water supply
    • E03B11/02Arrangements or adaptations of tanks for water supply for domestic or like local water supply
    • E03B11/06Arrangements or adaptations of tanks for water supply for domestic or like local water supply with air regulators
    • E03B11/08Air regulators
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)

Abstract

The invention discloses a vacuum suppressor for non-negative pressure water supply, which comprises a protective cover and a floating ball barrel, wherein the protective cover is arranged at an exhaust port of a steady flow tank, the floating ball barrel is fixed at the exhaust port of the steady flow tank through an upper cover of the floating ball barrel, the barrel body of the floating ball barrel is positioned in the steady flow tank, a communication hole is arranged on the barrel wall of the floating ball barrel, an air inlet and outlet hole is arranged on the upper cover of the floating ball barrel, an upper floating ball and a lower floating ball which can move up and down along the inner wall of the floating ball barrel are arranged in the floating ball barrel, a sealing ring matched with the upper floating ball is arranged at the edge of the air inlet and outlet hole, the upper floating ball moves up and down to enable the air inlet and outlet hole to be in a closed or open state, at least one buffer ball is arranged between the upper floating ball and the lower floating ball, the diameter of the buffer ball is smaller than that the upper floating ball and the lower floating ball are not violently collided with the air inlet and outlet hole in the exhaust process of the vacuum suppressor for non-negative pressure water supply, and the service life of the vacuum suppressor is long, the floating ball and the air inlet and outlet hole have good sealing effect and cannot seep water.

Description

Vacuum suppressor for non-negative pressure water supply
Technical Field
The invention relates to a vacuum suppressor, in particular to a vacuum suppressor which is arranged on a steady flow tank in non-negative pressure water supply equipment.
Background
The non-negative pressure water supply equipment is secondary energy-saving water supply equipment which is directly connected with a tap water pipe network and does not generate any side effect on the tap water pipe network, directly folds and supplies water on the basis of municipal pipe network pressure, saves energy, and has the advantages of full sealing, no pollution, small occupied area, quick installation, reliable operation, convenient maintenance and the like. The steady flow jar is the important equipment in no negative pressure water supply, undertakes the effect of retaining, stationary flow, need install vacuum suppressor on the steady flow jar to guarantee that the air in the steady flow jar of retaining in-process can discharge smoothly and water can not spill over, and when municipal pipe network running water flow is less than secondary water supply flow, guarantee that the air can get into the steady flow jar, avoid forming the negative pressure in municipal pipe network and steady flow jar. The vacuum suppressor in the prior art comprises a protective cover and a floating ball barrel which are arranged at an exhaust port of a steady flow tank, wherein the floating ball barrel is fixed at the exhaust port of the steady flow tank through a barrel body upper cover, the barrel body of the floating ball barrel is positioned in the steady flow tank, a communicating hole is arranged on the barrel wall of the floating ball barrel, an air inlet and outlet hole is arranged on the floating ball barrel upper cover, a floating ball which can move up and down along the inner wall of the floating ball barrel is arranged in the floating ball barrel, and the floating ball moves up and down to enable the air inlet and outlet hole to be in a closed or communicated state, so that negative pressure and exhaust are suppressed without overflowing. However, the vacuum suppressor with the structure has the defects that the sealing force of the floating ball is insufficient, after the steady flow tank is filled with water, seepage phenomenon is easy to occur at the air inlet and outlet holes, in addition, the air inlet and steady flow channels of the vacuum suppressor in the prior art are completely the same as the air outlet steady flow channels, when the municipal tap water is supplemented with water to the flow stabilizing tank, the gas in the flow stabilizing tank is quickly discharged from the original path and cannot play a role in limiting the flow of the tap water entering the flow stabilizing tank, the tap water quickly entering the flow stabilizing tank can form larger waves in the tank body and quickly rise the floating ball, the floating ball jumps up and down along with the waves in the rising process and repeatedly collides with the air inlet and outlet holes until the flow stabilizing tank is filled with the tap water, a large amount of water overflows in the repeated collision process of the floating ball and the air inlet and outlet holes, and the floating ball or the air inlet and outlet holes are easy to deform due to the collision, so that the water overflows. Therefore, in the vacuum suppressor in the prior art, a water outlet needs to be arranged on the protective cover, in order to prevent water overflowing from the vacuum suppressor from being directly discharged to the ground, part of users adopt the protective cover water outlet to be connected with the overflow pipe, and insert the overflow pipe into the sewer pipe, so that the cleanness of the field environment is kept, but when air needs to be supplemented into the steady flow tank, dirty gas in the sewer can enter the steady flow tank through the overflow pipe and the water outlet, and the tap water in the steady flow tank is polluted.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the floating ball cannot violently collide with the air inlet and outlet hole in the exhaust process of the vacuum suppressor for non-negative-pressure water supply, the service life of the vacuum suppressor is long, the sealing effect of the floating ball and the air inlet and outlet hole is good, and water seepage cannot occur.
The technical scheme for solving the technical problem is as follows: the utility model provides a vacuum inhibitor for no negative pressure water supply, is including installing safety cover and the floater bucket at the stationary flow jar gas vent, the floater bucket passes through floater bucket upper cover to be fixed at the stationary flow jar gas vent, floater bucket staving is located the stationary flow jar, be equipped with the intercommunicating pore on the bucket wall of floater bucket, be equipped with last floater and lower floater that can follow floater bucket inner wall and reciprocate in the floater bucket, be equipped with the sealing washer with floater looks complex at the inlet and outlet pore edge, go up floater up/move down and make the inlet and outlet pore be in and close or open the state, be equipped with a buffer ball at least between last floater and lower floater, the diameter of buffer ball is less than last floater and lower floater.
As an improvement of the invention: 3 buffer balls with the same diameter are arranged between the upper floating ball and the lower floating ball.
The buffer ball is an elastic non-metal ball.
The buffer ball is a plastic ball, a rubber ball, an inflatable rubber ball or an inflatable plastic ball.
As a further improvement of the invention: and a one-way flow limiting valve which only limits the exhaust speed of the steady flow tank is arranged on the side of the protective cover of the air inlet and outlet hole.
The one-way flow limiting valve comprises a valve seat connected with an air inlet and outlet hole, the side wall of the valve seat is provided with the flow limiting outlet hole, the top of the valve seat is provided with an air inlet compensation hole, and the air inlet compensation one-way valve is installed in the air inlet compensation hole.
The air inlet compensation check valve is composed of a check valve body, a sealing ball reset spring and a sealing ball reset support, wherein a switch hole matched with the sealing ball is formed in the top of the check valve body, a guide rod is arranged on the lower portion of the sealing ball reset support, the sealing ball reset spring is sleeved on the guide rod, and an air inlet hole and a guide hole matched with the guide rod are formed in the lower portion of the check valve body.
As a still further improvement of the present invention: the upper cover of the floating ball barrel is also provided with a pressure transmitter for monitoring the pressure in the steady flow tank.
The upper cover of the floating ball barrel is also provided with a liquid level sensor for monitoring the liquid level in the steady flow tank.
As the best scheme of the invention: the protective cover is provided with a data wire hole, and a pressure transmitter data wire and a liquid level sensor data wire are led to the outside of the protective cover through the Glan head.
Has the advantages that: the vacuum suppressor for non-negative pressure water supply of the invention adopts the technical proposal that the vacuum suppressor comprises a protective cover arranged at the exhaust port of a steady flow tank and a floating ball barrel, the floating ball barrel is fixed at the exhaust port of the steady flow tank through a barrel body upper cover, the barrel body of the floating ball barrel is positioned in the steady flow tank, the barrel wall of the floating ball barrel is provided with a communication hole, the floating ball barrel upper cover is provided with an air inlet and outlet hole, an upper floating ball and a lower floating ball which can move up and down along the inner wall of the floating ball barrel are arranged in the floating ball barrel, the edge of the air inlet and outlet hole is provided with a sealing ring matched with the upper floating ball, the upper floating ball moves up/down to enable the air inlet and outlet hole to be in a closed or open state, at least one buffer ball is arranged between the upper floating ball and the lower floating ball, the diameter of the buffer ball is smaller than that of the upper floating ball and the lower floating ball, the sealing pressure between the upper floating ball and the sealing ring is increased by arranging two floating balls, thereby improving the sealing effect, the water seepage is avoided between the upper floating ball and the sealing ring, the buffer ball avoids the direct impact of the upper floating ball and the lower floating ball, the impact between the upper floating ball and the air inlet and outlet hole is weakened, the floating ball is effectively prevented from being impacted and deformed, and the service life of the vacuum suppressor is prolonged. Because the technical characteristics that 3 buffering balls are arranged between the upper floating ball and the lower floating ball are adopted, on one hand, the contact area of the upper floating ball, the lower floating ball and the buffering balls is increased, the floating ball is prevented from being collided and deformed, on the other hand, three-point stable support is formed between the upper floating ball and the lower floating ball, so that the upper floating ball and the lower floating ball stably rise in the floating ball barrel and accurately cooperate with the sealing ring, and in addition, the three buffering balls further increase the sealing pressure between the upper floating ball and the sealing ring, and the water seepage is prevented. Due to the technical characteristic that the buffer ball is an elastic non-metal ball, the buffer effect is further improved, and the collision between the upper floating ball and the lower floating ball is softer. Because the technical characteristic that the buffer ball is a plastic ball, a rubber ball, an inflatable rubber ball or an inflatable plastic ball is adopted, the upper floating ball and the sealing ring are firstly contacted and positioned and then gradually stressed, and finally good sealing is formed, and the sealing effect is better. The technical characteristic that the one-way flow limiting valve only limiting the exhaust speed of the steady flow tank is arranged on the side of the protection cover of the air inlet and outlet hole is adopted, the speed of supplementing municipal tap water into the steady flow tank is restrained by limiting the exhaust speed of the steady flow tank, the floating ball slowly and stably rises, and the phenomenon that tap water enters the steady flow tank at a high speed and forms large waves in the tank body to enable the floating ball to jump up and down to cause a large amount of overflow is avoided. The one-way flow limiting valve comprises a valve seat connected with the air inlet and outlet holes, the side wall of the valve seat is provided with the flow limiting and outlet hole, the top of the valve seat is provided with the air inlet compensation hole, and the technical characteristic that the air inlet compensation one-way valve is installed in the air inlet compensation hole is that when water is taken from the steady flow tank, air enters the steady flow tank body from the air inlet compensation hole and the flow limiting and outlet hole at the same time, and when water is stored, the air is only discharged from the steady flow tank body from the flow limiting and outlet hole, so that the water replenishing speed is only inhibited, the water taking speed is not influenced, and negative pressure is avoided in the secondary water supply process. The air intake compensation check valve is characterized in that the air intake compensation check valve is more convenient to assemble with the floating ball barrel, the structure of the vacuum suppressor is simpler, and the work is more stable and reliable. The technical characteristics that the pressure transmitter and the liquid level sensor for monitoring the pressure in the flow stabilization tank are arranged on the upper cover of the floating ball barrel are adopted, so that the pressure in the flow stabilization tank and the liquid level height can be conveniently monitored, automatic control and remote monitoring are facilitated, in addition, the pressure transmitter and the liquid level sensor are integrated to the upper cover of the floating ball barrel to share one flow stabilization tank exhaust port, the number of openings of the tank body of the flow stabilization tank is reduced, and the production is more convenient. The technical characteristics that the data wire hole is formed in the protective cover, and the data wire of the pressure transmitter and the data wire of the liquid level sensor are led to the outside of the protective cover through the Glan head are adopted, so that the pressure transmitter and the liquid level sensor work under the protection of the protective cover, the collision and damage to the pressure transmitter and the liquid level sensor in the installation and use processes of equipment are avoided, and the appearance of the flow stabilization tank adopting the vacuum suppressor is cleaner and tidier.
Drawings
The vacuum suppressor for non-negative pressure water supply of the present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic view showing the construction of a vacuum suppressor for non-negative pressure water supply of the present invention;
fig. 2 is an enlarged structural schematic view of a one-way restriction valve in the vacuum suppressor for non-negative pressure water supply of the present invention.
Detailed Description
As shown in figure 1, the vacuum suppressor for non-negative pressure water supply comprises a protective cover 1 and a floating ball barrel 12 which are arranged at an exhaust port 6 of a steady flow tank, wherein the floating ball barrel is fixed at the exhaust port of the steady flow tank through an upper cover 5 of the floating ball barrel, the upper cover of the floating ball barrel is also provided with a pressure transmitter 2 for monitoring the pressure in the steady flow tank and a liquid level sensor 14 for monitoring the liquid level height in the steady flow tank, a data line hole is arranged on the protective cover, and a data line of the pressure transmitter and a data line of the liquid level sensor are led to the outside of the protective cover through a Glan head 3. The floating ball barrel body is positioned in the flow stabilizing tank, a communication hole 13 which enables water in the flow stabilizing tank to enter the floating ball barrel is arranged on the barrel wall of the floating ball barrel, an air inlet and outlet hole 11 is arranged on the upper cover of the floating ball barrel, a one-way flow limiting valve 4 which limits the exhaust speed of the flow stabilizing tank is arranged on one side of the air inlet and outlet hole, an upper floating ball 7 and a lower floating ball 9 which can move up and down along the inner wall of the floating ball barrel are arranged in the floating ball barrel, a sealing ring 10 matched with the upper floating ball is arranged on the edge of the air inlet and outlet hole, the upper floating ball moves up/down to enable the air inlet and outlet hole to be in a closed or open state, at least one buffer ball 8 is arranged between the upper floating ball and the lower floating ball, the diameter of the buffer ball is smaller than that of the upper floating ball and the lower floating ball, and preferably 3 buffer balls with the same diameter are arranged between the upper floating ball and the lower floating ball, and the buffer balls are elastic non-metal balls, preferably plastic balls and rubber balls, An inflatable rubber ball or an inflatable plastic ball.
As shown in fig. 2, the one-way flow-limiting valve includes a valve seat 41 connected to an air inlet and outlet, a flow-limiting air outlet 42 is provided on a side wall of the valve seat, a sum of sectional areas of the flow-limiting air outlets is smaller than a sectional area of a total air outlet channel of the valve seat, an air inlet compensation hole is provided on a top of the valve seat, an air inlet compensation one-way valve 43 is installed in the air inlet compensation hole, the air inlet compensation one-way valve is composed of a one-way valve body 431, a seal ball 432, a seal ball return spring 434 and a seal ball return support 433, an opening and closing hole matched with the seal ball is provided on the top of the one-way valve body, a guide rod is provided on a lower portion of the seal ball return support, the seal ball return spring is sleeved on the guide rod, and an air inlet 436 and a guide hole matched with the guide rod are provided on a lower portion of the one-way valve body. When municipal tap water is supplemented to the flow stabilizing tank, the air inlet compensation one-way valve in the one-way flow limiting valve is closed, and air in the flow stabilizing tank can only be discharged from the flow limiting exhaust hole, so that the water supplementing speed is inhibited; when the municipal tap water flow is insufficient, the pressure-superposed water pump takes water from the flow stabilizing tank, the air inlet compensation one-way valve in the one-way flow limiting valve is opened, and outside air enters the flow stabilizing tank together from the flow limiting exhaust hole and the air inlet compensation one-way valve, so that negative pressure is prevented from being formed in the tank body or the pipeline.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

Claims (8)

1. The utility model provides a vacuum inhibitor for having no negative pressure water supply, is including installing safety cover and the floater bucket at the stationary flow jar gas vent, and the floater bucket passes through floater bucket upper cover to be fixed at stationary flow jar gas vent, and floater bucket staving is located the stationary flow jar, is equipped with the intercommunicating pore on the bucket wall of floater bucket, is equipped with into exhaust hole, characterized by at floater bucket upper cover: an upper floating ball and a lower floating ball which can move up and down along the inner wall of the floating ball barrel are arranged in the floating ball barrel, a sealing ring matched with the floating ball is arranged at the edge of the air inlet and outlet hole, the upper floating ball moves up and down to enable the air inlet and outlet hole to be in a closed or open state, at least one buffer ball is arranged between the upper floating ball and the lower floating ball, and the diameter of the buffer ball is smaller than that of the upper floating ball and the lower floating ball; 3 buffer balls with the same diameter are arranged between the upper floating ball and the lower floating ball; the buffer ball is an elastic non-metal ball.
2. The vacuum suppressor for non-negative pressure water supply as set forth in claim 1, wherein: the buffer ball is a plastic ball, a rubber ball, an inflatable rubber ball or an inflatable plastic ball.
3. The vacuum suppressor for non-negative pressure water supply as claimed in any one of claims 1 or 2, wherein: and a one-way flow limiting valve which only limits the exhaust speed of the steady flow tank is arranged on the side of the protective cover of the air inlet and outlet hole.
4. The vacuum suppressor for non-negative pressure water supply as set forth in claim 3, wherein: the one-way flow limiting valve comprises a valve seat connected with an air inlet and outlet hole, the side wall of the valve seat is provided with the flow limiting outlet hole, the top of the valve seat is provided with an air inlet compensation hole, and the air inlet compensation one-way valve is installed in the air inlet compensation hole.
5. The vacuum suppressor for non-negative pressure water supply as set forth in claim 4, wherein: the air inlet compensation check valve is composed of a check valve body, a sealing ball reset spring and a sealing ball reset support, wherein a switch hole matched with the sealing ball is formed in the top of the check valve body, a guide rod is arranged on the lower portion of the sealing ball reset support, the sealing ball reset spring is sleeved on the guide rod, and an air inlet hole and a guide hole matched with the guide rod are formed in the lower portion of the check valve body.
6. The vacuum suppressor for non-negative pressure water supply as set forth in claim 5, wherein: the upper cover of the floating ball barrel is also provided with a pressure transmitter for monitoring the pressure in the steady flow tank.
7. The vacuum suppressor for non-negative pressure water supply as set forth in claim 6, wherein: the upper cover of the floating ball barrel is also provided with a liquid level sensor for monitoring the liquid level in the steady flow tank.
8. The vacuum suppressor for non-negative pressure water supply as set forth in claim 7, wherein: the protective cover is provided with a data wire hole, and a pressure transmitter data wire and a liquid level sensor data wire are led to the outside of the protective cover through the Glan head.
CN201710046098.8A 2017-01-22 2017-01-22 Vacuum suppressor for non-negative pressure water supply Active CN106592706B (en)

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CN201710046098.8A CN106592706B (en) 2017-01-22 2017-01-22 Vacuum suppressor for non-negative pressure water supply

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Application Number Priority Date Filing Date Title
CN201710046098.8A CN106592706B (en) 2017-01-22 2017-01-22 Vacuum suppressor for non-negative pressure water supply

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CN106592706B true CN106592706B (en) 2022-08-09

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107724466A (en) * 2017-10-16 2018-02-23 贺州市瑞程科技有限公司 A kind of corrosion resistant secondary water-supply equipment
CN114855940B (en) * 2022-06-21 2022-10-04 兴生机械科技有限公司 Secondary-pollution-preventing vacuum suppressor

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1265012A1 (en) * 2001-06-05 2002-12-11 Bayard Venting valve for conduits for fluid
CN202090394U (en) * 2011-05-27 2011-12-28 广州市白云泵业集团有限公司 Pipe network vacuum eliminating device
CN203429710U (en) * 2013-07-02 2014-02-12 泰州市亿诚供水设备有限公司 Exhaust and water isolation device for vacuum suppressor
CN203475521U (en) * 2013-09-22 2014-03-12 江苏同纪电力水泵机械制造有限公司 Vacuum suppressor of non-negative-pressure pressure-superposed water supply device
CN204530867U (en) * 2015-02-16 2015-08-05 南方泵业股份有限公司 A kind of double-sealing vacuum eliminator
CN204828918U (en) * 2015-07-31 2015-12-02 深圳市华力大机电技术有限公司 Rearmounted regulation type divides drill way combined type waterproof hammer air valve valves
CN206457879U (en) * 2017-01-22 2017-09-01 四平市重兴机械设备有限公司 A kind of vacuum suppresser for non-negative pressure method of water supply

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1265012A1 (en) * 2001-06-05 2002-12-11 Bayard Venting valve for conduits for fluid
CN202090394U (en) * 2011-05-27 2011-12-28 广州市白云泵业集团有限公司 Pipe network vacuum eliminating device
CN203429710U (en) * 2013-07-02 2014-02-12 泰州市亿诚供水设备有限公司 Exhaust and water isolation device for vacuum suppressor
CN203475521U (en) * 2013-09-22 2014-03-12 江苏同纪电力水泵机械制造有限公司 Vacuum suppressor of non-negative-pressure pressure-superposed water supply device
CN204530867U (en) * 2015-02-16 2015-08-05 南方泵业股份有限公司 A kind of double-sealing vacuum eliminator
CN204828918U (en) * 2015-07-31 2015-12-02 深圳市华力大机电技术有限公司 Rearmounted regulation type divides drill way combined type waterproof hammer air valve valves
CN206457879U (en) * 2017-01-22 2017-09-01 四平市重兴机械设备有限公司 A kind of vacuum suppresser for non-negative pressure method of water supply

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