CN104179222A - Vacuum breaker - Google Patents
Vacuum breaker Download PDFInfo
- Publication number
- CN104179222A CN104179222A CN201410437186.7A CN201410437186A CN104179222A CN 104179222 A CN104179222 A CN 104179222A CN 201410437186 A CN201410437186 A CN 201410437186A CN 104179222 A CN104179222 A CN 104179222A
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- China
- Prior art keywords
- rubber tile
- valve
- cylinder body
- vacuum breaker
- piston
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- 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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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The invention discloses a vacuum breaker. The vacuum breaker comprises a valve body and an air conditioning device, the valve body is provided with an upper cavity and a lower cavity, the air conditioning device is arranged in the valve body, the air conditioning device comprises a valve sleeve and a rubber plate, the valve sleeve is provided with a piston, the rubber plate is mounted below the valve sleeve, and the edges of the rubber plate are matched with the inner wall of the valve body in a sealing mode; a connecting rod is disposed between the rubber plate and the piston, a thrust spring sleeves the connecting rod, and two ends of the thrust spring abut against the bottom end face of the valve sleeve and the top surface of the rubber plate respectively; the rubber plate is provided with at least one one-way valve mechanism. According to the vacuum breaker, vertical movement of a piston mechanism can be achieved by means of water pressure and spring elasticity, the response speed is high, water can be prevented from flowing to an upper position of the rubber plate from a lower position of the rubber plate by the aid of cooperation of the one-way valve mechanism, water leakage and negative pressure in a water tank due to slow and lagging movement of the piston can be avoided, interference with normal water supply of a pipe net can be reduced, and the reliable vacuum breaking function of the vacuum eliminator can be achieved.
Description
Technical field
The present invention relates to supply equipment, relate in particular to a kind of vacuum breaker being applied in supply equipment.
Background technology
Vacuum breaker is called again vacuum automatic compensator, a kind of being connected and installed on supply equipment water tank, for avoid public pipeline, water feeding of water pump pipeline to produce a kind of water-control device of negative pressure in water system, it is preventing that supply equipment from, because water tank suction function directly extracts water supply public pipeline tap water, causing interference aspect to have important effect to pipe network.Secondly, negative pressure can increase the weight of the generation of cavitation (in phenomenon, increases the burden of water pump, reduces the water pump life-span.
China Patent No. ZL200620053522.9 discloses a kind of direct-drive type vacuum automatic eliminator with ball float and piston, this vacuum breaker is to utilize the buoyancy of ball float and piston self gravitation to realize piston to move up and down, thereby reaches the object of eliminating vacuum.Yet, there is sluggish, hysteresis problem in this mode of leaning on buoyancy and gravity to drive piston to move up and down, so its function of eliminating vacuum will be affected; Particularly, after long-term use, because assembly is aging, cause that the friction between piston and piston bush increases, have a strong impact on the response sensitivity of piston mechanism, even lost efficacy; In addition, there is bulky defect in band float-ball type vacuum breaker, thereby increases the cost of whole machine.
Therefore,, because traditional vacuum arrester is not enough in operating principle, can not reach gratifying functional effect, so designer does one's utmost to think hard solution, and rely on experience own, finally, after going through test for several times, revise and improving, initiate out the present invention.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of vacuum breaker, it utilizes hydraulic pressure and spring force to realize moving up and down of piston mechanism, can guarantee its realization function of elimination vacuum reliably.
For achieving the above object, the present invention adopts following technical scheme:
A kind of vacuum breaker, comprise and be provided with the valve body of upper chamber and lower chambers and be installed in the conditioner in valve body, described conditioner comprises the rubber tile that is installed in the valve pocket with piston between upper chamber and lower chambers and is arranged at valve pocket below, and edge and the valve interior wall of described rubber tile are sealed and matched; Between rubber tile and piston, be provided with connecting rod, be arranged with thrust spring on connecting rod, described thrust spring two ends are resisted against respectively on valve pocket bottom face and rubber tile end face; Described upper chamber is provided with the air-vent being in communication with the outside, and described valve pocket is provided with the passage that is communicated with upper chamber and lower chambers; Described rubber tile is provided with at least one can prevent that liquid is from rubber tile below toward the mobile one-way valve mechanism in rubber tile top.
Further, described one-way valve mechanism comprises a cylinder body and a ball float; Described cylinder body comprises upper cylinder body and the lower cylinder body of connection, and the aperture of lower cylinder body is greater than the aperture of upper cylinder body, upper cylinder body top end opening, the sealing of lower cylinder body bottom; Described ball float can be contained in described lower cylinder body up or down, and the diameter of ball float is greater than the aperture of upper cylinder body; Described upper cylinder body is fixed in described rubber tile, and described lower cylinder body stretches out the soffit of rubber tile, and offers inlet opening on the body wall of lower cylinder body.
Further, described one-way valve mechanism comprises that a hole and that runs through described rubber tile is covered in the valve block at hole, hole below, and described valve block can overturn downwards and then open described hole.
Further, described valve block is half-open valve block, is provided with for preventing the resupinate valve seat of valve block in described hole.
Further, on described rubber tile, be equiped with reinforcement steel plate; Described reinforcement steel plate is provided with two altogether, is flush-mounted in respectively upper and lower two surfaces of rubber tile, and the radius that is positioned at the reinforcement steel plate of upper surface is greater than the radius of the reinforcement steel plate that is positioned at soffit.
Further, described connecting rod bottom fixing suit one self-locking nut, this self-locking nut comprise hold-down nut and be located at connecting rod and hold-down nut between sealing ring, described rubber tile combined in when sulfuration and hold-down nut, and in connecting rod bottom, laterally wore a cottor pin for preventing that rubber tile from coming off.
Further, the bottom of described valve pocket is provided with outstanding elongated sheath downwards, and the top of described thrust spring is sheathed on outside this elongated sheath.
Further, the roof of described upper chamber is fixedly equiped with a liquid-level switch for reporting to the police.
Further, the bottom end opening place of described valve body is provided with a filtration pad that is covered in this opening part, and this filtration pad is used for preventing that particle from entering valve inner.
Further, described air-vent is opened on the sidewall of upper chamber; Described valve pocket is positioned on the sidewall of a section of lower chambers and offers perforation, and the passage of described connection upper chamber and lower chambers consists of the inner space of this perforation and valve pocket.
As mentioned above, the present invention, when valve inleting water, utilizes hydraulic pressure directly to promote rubber tile and moves up, thereby drives piston to move up; During valve body water-break, thrust spring promotes piston and moves down, this mode moving up and down of utilizing hydraulic pressure and spring force to realize piston mechanism, than prior art, there is response speed faster, coordinate one-way valve mechanism to prevent that current from flowing toward rubber tile top from rubber tile below, thereby can avoid occurring negative pressure appearance because piston moves in slow, lag behind leaking of bringing and water tank, prevent that it from directly extracting water supply public pipeline tap water, reduce it pipe network is caused to interference, and then guarantee this vacuum breaker realization function of elimination vacuum reliably.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of a preferred embodiment of the present invention;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1;
Fig. 3 is the partial enlarged drawing at B place in Fig. 1;
Fig. 4 is the partial enlarged drawing at C place in Fig. 1;
Fig. 5 is the schematic diagram of one-way valve mechanism in the another kind of embodiment of the present invention;
Fig. 6 is the schematic diagram of enhancement one-way valve mechanism in the another kind of embodiment of the present invention;
Fig. 7 is the upward view of the enhancement one-way valve mechanism shown in Fig. 6;
Fig. 8 is the partial enlarged drawing at D place in Fig. 1;
Fig. 9 is the partial enlarged drawing at E place in Fig. 1.
Wherein: 1, valve body; 11, upper chamber; 111, air-vent; 112, liquid-level switch; 12, lower chambers; 2, valve pocket; 21, perforation; 22, elongated sheath; 31, piston; 32, connecting rod; 33, thrust spring; 34, hold-down nut; 35, sealing ring; 36, cottor pin; 4, rubber tile; 41, strengthen steel plate; 42, hole; 43, valve block; 44, valve seat; 51, cylinder body; 511, upper cylinder body; 512, lower cylinder body; 513, inlet opening; 52, ball float; 6, filter pad.
The specific embodiment
Below, by reference to the accompanying drawings and the specific embodiment, the present invention is described further:
Refer to Fig. 1 to Fig. 4, Fig. 8 and Fig. 9, the invention provides a kind of vacuum breaker, be applied in the pipe network of water system, this vacuum breaker comprises and is provided with the valve body 1 of upper chamber 11 and lower chambers 12 and is installed in the conditioner in valve body 1, described conditioner comprises the rubber tile 4 that is installed in the valve pocket 2 with piston 31 between upper chamber 11 and lower chambers 12 and is arranged at valve pocket 2 belows, and the edge of described rubber tile 4 coordinates with valve body 1 inner wall sealing; Between rubber tile 4 and piston 31, be provided with connecting rod 32, be arranged with thrust spring 33 on connecting rod 32, described thrust spring 33 two ends are resisted against respectively on valve pocket 2 bottom faces and rubber tile 4 end faces; Described upper chamber 11 is provided with the air-vent 111 being in communication with the outside, and described valve pocket 2 is provided with the passage (not indicating in figure) that is communicated with upper chamber 11 and lower chambers 12; Described rubber tile 4 is provided with at least one can prevent that liquid is from rubber tile 4 belows toward the mobile one-way valve mechanism in rubber tile 4 tops.
Particularly, described air-vent 111 is opened on the sidewall of upper chamber 11, and this air-vent 111 is in normally open; Described valve pocket 2 is positioned at and on the sidewall of a section of lower chambers 12, offers perforation 21, the passage of described connection upper chamber 11 and lower chambers 12 consists of the inner space of this perforation 21 and valve pocket 2, when piston 31 moves up, can block this passage, piston 31 moves down while putting in place, can open this passage.
Operating principle of the present invention is as follows:
When current inlet water tank, water up flows from water tank bottom, and then flow to valve body 1 bottom, in the process rising at the water surface, the air of water surface top is pushed by water and up discharges, and passes through successively: by one-way valve mechanism, from rubber tile 4 belows, enter the lower chambers 12 of rubber tile 4 tops, through described perforation 21, enter valve pocket 2 inside, along valve pocket 2 inner spaces, conduct to described upper chamber 11, finally from described air-vent 111, discharge valve body 1; Then, current pushing rubber tile 4 soffits, up move it, and now described one-way valve mechanism, in closure state, prevents that current from flowing to rubber tile 4 tops from rubber tile 4 belows, thereby guarantees stable motive force; Rubber tile 4 drives piston 31 to move up, thereby the passage that is communicated with upper chamber 11 and lower chambers 12 is blocked, and stops, to outside air exhaust, playing the effect of second layer preventing water leakage simultaneously; When water tank water body declines, under the thrust of described thrust spring 33, this rubber tile 4 and piston 31 move down, revert to original state, described one-way valve mechanism is in open mode simultaneously, and outside air enters lower chambers 12 from upper chamber 11, then passes into rubber tile 4 belows from the top of rubber tile 4, reach equilibrium air pressure, and finally complete the function that vacuum is eliminated; Thereby this water pressure pushing rubber tile 4 of directly utilizing drives pistons 31 to move up, thereby and utilize the thrust of spring to promote the mode that rubber tile 4 drives pistons 31 to move down, there is fast response time; And the setting of one-way valve mechanism can prevent that current from flowing to rubber tile 4 tops from rubber tile 4 belows, and can when water-break, reach the effect of rapid balance rubber tile air pressure Shang Xia 4, thereby guarantee that this vacuum breaker realizes the function that reliable vacuum is eliminated.
Refer to Fig. 1 and Fig. 4, in a preferred embodiment, described one-way valve mechanism comprises a cylinder body 51 and a ball float 52; Described cylinder body 51 comprises upper cylinder body 511 and the lower cylinder body 512 of connection, and the aperture of lower cylinder body 512 is greater than the aperture of upper cylinder body 511, upper cylinder body 511 top end openings, lower cylinder body 512 bottom sealings; Described ball float 52 can be contained in described lower cylinder body 512 up or down, and the diameter of ball float 52 is greater than the aperture of upper cylinder body 511; Described upper cylinder body 511 is fixed in described rubber tile 4, and described lower cylinder body 512 stretches out the soffit of rubber tile 4, and on the body wall of lower cylinder body 512, offers a plurality of inlet openings 513, and a plurality of inlet openings 513 are arranged at respectively on the sidewall and diapire of lower cylinder body 512; Particularly, described cylinder body 51 is made by stainless steel material, and described ball float 52 is elastic hollow rubber ball body; In space in described rubber tile 4 soffits and water tank between water body plane, gather and have certain air, when water inlet flow velocity is faster in situation, air in this space can not be discharged in time, thereby formation barosphere, hinder current and enter this space, and then affect flow action in rubber tile 4, cause this vacuum breaker delay of response; The present embodiment is by a plurality of inlet openings 513 are set on lower cylinder body 512, air just can be from inlet opening 513 conductings that make progress, thereby the air being collected in this space is discharged in time, prevent from forming barosphere; Meanwhile, current enter lower cylinder body 512 inside through inlet opening 513, described ball float 52 moves up under buoyancy of water effect, and is finally blocked in the junction between upper cylinder body 511 and lower cylinder body 512, thereby reach, prevents that current from flowing to the object of rubber tile 4 tops from rubber tile 4 belows.When water tank water body declines, under the thrust of described thrust spring 33, this rubber tile 4 and piston 31 move down and revert to original state, simultaneously due to ball float 52 Action of Gravity Fields, described one-way valve mechanism is in open mode, and outside air enters lower chambers 12 from upper chamber 11, then passes into rubber tile 4 belows from the top of rubber tile 4, reach equilibrium air pressure, and finally complete the function that vacuum is eliminated; In the present embodiment, described one-way valve mechanism is provided with four altogether, and it is uniformly distributed on described rubber tile 4.
Please continue to refer to Fig. 1 and Fig. 5, in another embodiment, described one-way valve mechanism comprises that one runs through the hole 42 of rubber tile 4 upper and lower surfaces, hole, the lower end place of hole 42 is provided with a valve block 43 that is covered in hole, this valve block 43 can overturn downwards and then open described hole 42, and the area of valve block 43 is greater than the aperture of hole 42; Specifically in the present embodiment, on described rubber tile 4, be provided with altogether four one-way valve mechanisms; When water extruding rubber tile 4 moves up, described valve block 43 hides the place, hole in hole 42, stops water to lead to rubber tile 4 tops; When water level reduces, rubber tile forms draught head in both sides Shang Xia 4, and described valve block 43 is upset downwards under the effect of draught head, open hole 42, can make rubber tile 4 both sides air pressure reach rapidly balance, thereby eliminate the negative pressure of rubber tile 4 belows, prevent that the water in pipe network is drawn back in water tank.
Refer to Fig. 1, Fig. 6 and Fig. 7, as further improvement, described valve block 43 is half-open valve block, this valve block 43 is arranged in the hole of described hole 42, hole 42 inside are also provided with valve seat 44, when the interior water inlet of valve body 1, push valve block 43 on current direction, valve block 43 covers hole 42 under the stopping of valve seat 44, prevents that current from flowing from the bottom up; When water level reduces, the upper and lower mineralization pressure of described rubber tile 4 is poor, air promotes from top to bottom valve block 43 and overturns downwards, thereby prevent from occurring in water tank negative pressure appearance, finally realize the balance of rubber tile 4 upper and lower air pressure, this kind of one-way valve mechanism that one-way valve mechanism is enhancement mode, has better sealing.
Please continue and consult Fig. 1, as further improvement, the peripheral part of described rubber tile 4 is downward-sloping, be lip, the benefit that this design brings is, when current push rubber tile 4 from the bottom up, there is deformation and fit together more closely with the inwall of described valve body 1 in the circumference branch of this rubber tile 4, can guarantee that current can not be leaked to more than 4 place of rubber tile; When water body is fallen from valve body 1,4 times side spaces of rubber tile can form negative pressure, and rubber tile 4 superjacent air spaces are atmospheric pressure, therefore at rubber tile, Shang Xia 4, form draught head in both sides, under the effect of this draught head, the peripheral part of rubber tile 4 is opened and is ventilated, thereby rubber tile 4 both sides air pressure are restored balance rapidly, can eliminate negative pressure, prevent the water in resorption pipe network.
Refer to Fig. 1, Fig. 4, Fig. 5, Fig. 6 and Fig. 8, as further improvement, on described rubber tile 4, be equiped with and strengthen steel plate 41, for strengthening the intensity of rubber tile 4, can withstand the impact of certain hydraulic pressure, air pressure and be unlikely excessive deformation, distortion, prevent leak, gas leak phenomenon; Specifically in the present embodiment, described reinforcement steel plate 41 is provided with two altogether, be flush-mounted in respectively upper and lower two surfaces of rubber tile 4, and the radius that is positioned at the reinforcement steel plate 41 of upper surface is greater than the radius of the reinforcement steel plate 41 that is positioned at soffit, there is deformation downwards in this peripheral part that is beneficial to rubber tile 4 that is designed with; The ground of being worth mentioning, the place punching of the corresponding above-mentioned upper cylinder body 511 of described reinforcement steel plate 41 and hole 42 is provided with hole, and described upper cylinder body 511 first with strengthen steel plate 41 and be mounted with after, then mutually combine during in sulfuration with described rubber tile 4 in together with, guarantee its sealing.
Refer to Fig. 1 and Fig. 8, particularly, described connecting rod 32 bottoms fixing suit one self-locking nut, this self-locking nut comprises that a hold-down nut 34 and is arranged at the sealing ring 35 between connecting rod 32 and hold-down nut 34, described rubber tile 4 combined in when sulfuration and hold-down nut 34, and described sealing ring 35 is for guaranteeing its sealing; In connecting rod 32 bottoms, laterally wear a cottor pin 36 for preventing that rubber tile 4 from coming off, so far, can by rubber tile 4 stable be fixed on connecting rod 32 bottoms, and there is good sealing.
Refer to Fig. 1, Fig. 8 and Fig. 9, as further improvement, the bottom of described valve pocket 2 is provided with outstanding elongated sheath 22 downwards, the top of described thrust spring 33 is sheathed on outside this elongated sheath 22, this elongated sheath 22 is for limiting moving up and down of connecting rod 32, prevent that it from circle swing occurring, and then guarantee that described rubber tile 4 is moving up and down Shi Buhui generation circle swing, thereby improve accuracy and the sealing of this vacuum breaker.
Refer to Fig. 1, further, the roof of described upper chamber 11 is fixedly equiped with a liquid-level switch 112 for reporting to the police, when the water in upper chamber 11 reaches certain water level, can trigger this liquid-level switch 112 and report to the police; Particularly, this liquid-level switch 112 can be a liquid level magnetic switch.
Refer to Fig. 1, as further improvement, the bottom end opening place of described valve body 1 is provided with a filtration pad 6 that is covered in this opening part, and this filtration pad 6 enters valve body 1 inside for preventing particle; Shipwreck in webmaster has been exempted from the particles such as incrustation scale, iron filings and has been mixed in wherein, these particles enter after described valve body 1, be attached on the inwall of valve body 1, strengthen the frictional force of valve body 1 inwall and rubber tile 4, will damage rubber tile 4 in the course of time, affect the sealing of vacuum breaker, and filter pad 6, just in time can eliminate this problem, particle can be blocked in outside valve body 1, guarantee the sealing of this vacuum breaker, and then improve the application life of vacuum breaker.
As mentioned above, the present invention, when valve body 1 water inlet, utilizes hydraulic pressure directly to promote rubber tile 4 and moves up, thereby drives piston 31 to move up, when valve body 1 water level reduces, thrust spring 33 promotes piston 31 and moves down, this mode moving up and down of utilizing hydraulic pressure and spring force to realize piston mechanism, than prior art, there is response speed faster, coordinate one-way valve mechanism to prevent that current from flowing from rubber tile 4 belows toward rubber tile 4 tops, thereby can avoid due to piston 31 move slow, hysteresis brings leak and water tank in there is negative pressure appearance, prevent that it from directly extracting water supply public pipeline tap water, pipe network is caused to interference, and then guarantee that this vacuum breaker realizes the function of eliminating reliably vacuum.
To one skilled in the art, can make other various corresponding changes and deformation according to technical scheme described above and design, and within these all changes and deformation all should belong to the protection domain of the claims in the present invention.
Claims (10)
1. a vacuum breaker, it is characterized in that: comprise and be provided with the valve body of upper chamber and lower chambers and be installed in the conditioner in valve body, described conditioner comprises the rubber tile that is installed in the valve pocket with piston between upper chamber and lower chambers and is arranged at valve pocket below, and edge and the valve interior wall of described rubber tile are sealed and matched; Between rubber tile and piston, be provided with connecting rod, be arranged with thrust spring on connecting rod, described thrust spring two ends are resisted against respectively on valve pocket bottom face and rubber tile end face; Described upper chamber is provided with the air-vent being in communication with the outside, and described valve pocket is provided with the passage that is communicated with upper chamber and lower chambers; Described rubber tile is provided with at least one can prevent that liquid is from rubber tile below toward the mobile one-way valve mechanism in rubber tile top.
2. vacuum breaker as claimed in claim 1, is characterized in that: described one-way valve mechanism comprises a cylinder body and a ball float; Described cylinder body comprises upper cylinder body and the lower cylinder body of connection, and the aperture of lower cylinder body is greater than the aperture of upper cylinder body, upper cylinder body top end opening, the sealing of lower cylinder body bottom; Described ball float can be contained in described lower cylinder body up or down, and the diameter of ball float is greater than the aperture of upper cylinder body; Described upper cylinder body is fixed in described rubber tile, and described lower cylinder body stretches out the soffit of rubber tile, and offers inlet opening on the body wall of lower cylinder body.
3. vacuum breaker as claimed in claim 1, is characterized in that: described one-way valve mechanism comprises that a hole and that runs through described rubber tile is covered in the valve block at hole, hole below, and described valve block can overturn downwards and then open described hole.
4. vacuum breaker as claimed in claim 3, is characterized in that: described valve block is half-open valve block, is provided with for preventing the resupinate valve seat of valve block in described hole.
5. the vacuum breaker as described in claim 1 to 4 any one, is characterized in that: on described rubber tile, be equiped with reinforcement steel plate; Described reinforcement steel plate is provided with two altogether, is flush-mounted in respectively upper and lower two surfaces of rubber tile, and the radius that is positioned at the reinforcement steel plate of upper surface is greater than the radius of the reinforcement steel plate that is positioned at soffit.
6. vacuum breaker as claimed in claim 1, it is characterized in that: described connecting rod bottom fixing suit one self-locking nut, this self-locking nut comprise hold-down nut and be located at connecting rod and hold-down nut between sealing ring, described rubber tile combined in when sulfuration and hold-down nut, and in connecting rod bottom, laterally wore a cottor pin for preventing that rubber tile from coming off.
7. vacuum breaker as claimed in claim 1, is characterized in that: the bottom of described valve pocket is provided with outstanding elongated sheath downwards, and the top of described thrust spring is sheathed on outside this elongated sheath.
8. vacuum breaker as claimed in claim 1, is characterized in that: the roof of described upper chamber is fixedly equiped with a liquid-level switch for reporting to the police.
9. vacuum breaker as claimed in claim 1, is characterized in that: the bottom end opening place of described valve body is provided with a filtration pad that is covered in this opening part, and this filtration pad is used for preventing that particle from entering valve inner.
10. vacuum breaker as claimed in claim 1, is characterized in that: described air-vent is opened on the sidewall of upper chamber; Described valve pocket is positioned on the sidewall of a section of lower chambers and offers perforation, and the passage of described connection upper chamber and lower chambers consists of the inner space of this perforation and valve pocket.
Priority Applications (1)
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CN201410437186.7A CN104179222B (en) | 2014-08-29 | 2014-08-29 | A kind of vacuum breaker |
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CN201410437186.7A CN104179222B (en) | 2014-08-29 | 2014-08-29 | A kind of vacuum breaker |
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CN104179222A true CN104179222A (en) | 2014-12-03 |
CN104179222B CN104179222B (en) | 2016-01-13 |
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CN201410437186.7A Active CN104179222B (en) | 2014-08-29 | 2014-08-29 | A kind of vacuum breaker |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113863442A (en) * | 2021-10-28 | 2021-12-31 | 王桃花 | No negative pressure secondary water supply equipment of wisdom |
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JPH08232307A (en) * | 1995-02-27 | 1996-09-10 | Shigekichi Takahashi | Water tank |
EP0623098B1 (en) * | 1992-01-13 | 1997-04-16 | Aarre Sinkkilä | Apparatus for the oxidation of water |
CN2873891Y (en) * | 2006-01-13 | 2007-02-28 | 广州市羊城供水设备厂 | Directly driving type vacuum automatic eliminator |
CN201350842Y (en) * | 2009-02-23 | 2009-11-25 | 陈际军 | Clutch closing controller |
CN201560452U (en) * | 2009-12-17 | 2010-08-25 | 威海工友水泵有限公司 | Vacuum suppressor |
CN103542143A (en) * | 2013-11-07 | 2014-01-29 | 滁州亚利模具设备有限公司 | Novel one-way valve |
CN204023708U (en) * | 2014-08-29 | 2014-12-17 | 广州广一泵业有限公司 | A kind of vacuum breaker |
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2014
- 2014-08-29 CN CN201410437186.7A patent/CN104179222B/en active Active
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Publication number | Priority date | Publication date | Assignee | Title |
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EP0623098B1 (en) * | 1992-01-13 | 1997-04-16 | Aarre Sinkkilä | Apparatus for the oxidation of water |
JPH08232307A (en) * | 1995-02-27 | 1996-09-10 | Shigekichi Takahashi | Water tank |
CN2873891Y (en) * | 2006-01-13 | 2007-02-28 | 广州市羊城供水设备厂 | Directly driving type vacuum automatic eliminator |
CN201350842Y (en) * | 2009-02-23 | 2009-11-25 | 陈际军 | Clutch closing controller |
CN201560452U (en) * | 2009-12-17 | 2010-08-25 | 威海工友水泵有限公司 | Vacuum suppressor |
CN103542143A (en) * | 2013-11-07 | 2014-01-29 | 滁州亚利模具设备有限公司 | Novel one-way valve |
CN204023708U (en) * | 2014-08-29 | 2014-12-17 | 广州广一泵业有限公司 | A kind of vacuum breaker |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113863442A (en) * | 2021-10-28 | 2021-12-31 | 王桃花 | No negative pressure secondary water supply equipment of wisdom |
CN113863442B (en) * | 2021-10-28 | 2022-04-22 | 李龙 | No negative pressure secondary water supply equipment of wisdom |
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CN104179222B (en) | 2016-01-13 |
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Effective date of registration: 20201217 Address after: 528429 south side of Galanz South plant area, Maxin Industrial Zone, Huangpu town, Zhongshan City, Guangdong Province Patentee after: GUANGYI PUMP Co.,Ltd. Address before: No.133 Keyun South Road, Haizhu District, Guangzhou City, Guangdong Province 510000 Patentee before: GUANGZHOU GUANGYI PUMP Co.,Ltd. |