CN106592705A - Dual-sealing negative-pressure-free vacuum suppressor for water supply - Google Patents
Dual-sealing negative-pressure-free vacuum suppressor for water supply Download PDFInfo
- Publication number
- CN106592705A CN106592705A CN201510664268.XA CN201510664268A CN106592705A CN 106592705 A CN106592705 A CN 106592705A CN 201510664268 A CN201510664268 A CN 201510664268A CN 106592705 A CN106592705 A CN 106592705A
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- China
- Prior art keywords
- gas cylinder
- upper shell
- push rod
- shell
- vacuum suppressor
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Classifications
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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
- 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
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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)
- Jet Pumps And Other Pumps (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a dual-sealing negative-pressure-free vacuum suppressor for water supply. According to the vacuum suppressor, a flange plate is provided with an upper shell and a lower shell, a floating body is installed inside the lower shell in an encapsulated mode, the upper end of the floating body is connected to an ejector rod, the upper end of the ejector rod is located inside the upper shell and is connected to a horizontal plate, and a primary sealing gasket is arranged on the horizontal plate; just the upper end of the upper shell is open, and an air filter is installed at the upper end of the upper shell; a gas guide cylinder is arranged right above the primary sealing gasket, is fixed by a gas guide cylinder base and can slide up and down, the lower end of a conical extension sleeve is connected to the upper end of the gas guide cylinder in a sealed mode, and the upper end of the conical extension sleeve is connected to an inner wall of the upper shell in a sealed mode; and a mesh plate is arranged on the upper side of the conical extension sleeve, and a secondary sealing gasket is fixed to the lower side of the mesh plate. According to the vacuum suppressor, a dual-sealing structure is adopted, the essential function of the vacuum suppressor can be realized when just one end of the gas guide cylinder is sealed, and therefore the service life of the vacuum suppressor is long and the work is stable.
Description
Technical field
The present invention relates to non-negative pressure method of water supply field, more particularly to a kind of non-negative pressure method of water supply vacuum suppression of double containment
Device.
Background technology
Vacuum suppresser mainly, on the pipe network secondary pressure supply equipment of municipal tap water, suppresses to supply water system
Negative pressure is produced in system, the pressure balanced equipment of tap water pipe network is kept, current vacuum suppresser is generally by ball float
And two big core of valve body is constituted, ball float fluctuates according to SEA LEVEL VARIATION in steady flow compensation tank, drives then
Moving valve generation action and switch on off operating mode.The on off operating mode of current vacuum suppresser only passes through to switch at one
Mechanism's (valve block, ball valve) controls, once switching mechanism sealing goes wrong, vacuum suppresser cannot be normal
Work, and switching mechanism belongs to action component, more weares and teares, therefore there is use in existing vacuum suppresser
The shortcomings of short life, job insecurity, sealing difference.
The content of the invention
It is an object of the invention to provide a kind of reasonable in design, good airproof performance, long service life, work are steady
Fixed double containment non-negative pressure method of water supply vacuum suppresser.
To realize above-mentioned technical purpose, the present invention is adopted the following technical scheme that：
A kind of double containment non-negative pressure method of water supply vacuum suppresser, which is provided with upper shell above ring flange, and lower section is provided with
Lower house, upper shell are communicated with lower house；Described lower house by hollow out side wall and bottom constitute, internal envelope
Equipped with buoyancy body moving up and down, the upper end of buoyancy body is connected with a push rod that can be moved up and down with which, push rod
Upper end be located in upper casing body, and the upper end of push rod is connected with a horizontal plate, and the horizontal plate is provided with once sealing
Pad；Be installed on the upside of described ring flange for push rod pass through and prevent push rod swing guiding mechanism；Described is upper
Housing only upper end opens and is installed on air filter；Be provided with directly over described once sealing pad one it is vertical compared with
The little gas cylinder of its diameter, gas cylinder Jing inducing QI cylinder bases are fixed on inside upper shell and can slide up and down, inducing QI
It is provided with to order about under gas cylinder resets downwards between cylinder and inducing QI cylinder base and pushes away spring；One up big and down small tapered telescopic
Set is tightly connected with the upper end of gas cylinder positioned at the surface of gas cylinder, its lower end, and its upper end is interior with upper shell
Wall is tightly connected；The upside of tapered telescopic set is provided with the mesh plate that a level is fixed in upper casing body, the mesh plate
Downside is fixed with a secondary seal pad being located at directly over gas cylinder；When buoyancy body floats, once sealing pad and two
, by the closed at both ends of gas cylinder, when buoyancy body is sunk, once sealing pad is with secondary seal pad not to leading for secondary sealing gasket
Closed at the two ends of inflator；Described upper shell upper end is coated with dust cover.
When in steady flow compensation tank, water level is not enough, buoyancy body declines with liquid level, and then causes once sealing pad with water
Square position moves down, and gas cylinder is received down to push away spring effect and reset downwards, final once sealing pad and secondary seal
Pad is separated with gas cylinder, steady flow compensation tank Jing lower houses, upper shell, gas cylinder, tapered telescopic set, air
Filter and and atmosphere, and then can avoid negative pressure is produced in steady flow compensation tank and current stabilization is mended during moisturizing
The air for repaying tank drains into the external world.When in steady flow compensation tank, water level is full, buoyancy body floats, and horizontal plate is taken once close
Packing is moved up, once sealing pad by gas cylinder lower end closed and promote gas cylinder spring force is pushed away under overcoming and
Upward sliding, the upper end of final gas cylinder are closed by secondary seal pad, and then cause vacuum suppresser in cut-off
State, the water in steady flow compensation tank maintain normal hydraulic pressure without overflowing.
The present invention has the advantages that：Due to gas cylinder be by steady flow compensation tank be in communication with the outside must Jing lead to
Road, and in cut-off state, the two ends of gas cylinder are closed, and have reached the purpose of dual-seal；Due to leading
The two ends of inflator belong to action component with once sealing pad and secondary seal pad, and tightness is easily worn shadow
Ring, and present invention employs double sealing structure, as long as wherein one end of gas cylinder is closed, be capable of achieving vacuum
The necessary function of suppressor, therefore its long service life, working stability.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure, 1, lower house, 2, buoyancy body, 3, push rod, 4, guiding mechanism, 5, horizontal plate, 6, one
Secondary sealing gasket, 7, under push away spring, 8, gas cylinder, 9, inducing QI cylinder base, 10, dust cover, 11, mesh plate,
12nd, air filter, 13, secondary seal pad, 14, tapered telescopic set, 15, upper shell, 16, ring flange.
Specific embodiment
As shown in figure 1, a kind of double containment non-negative pressure method of water supply vacuum suppresser disclosed in this invention, which is in flange
Upper shell 15 is provided with above disk 16, lower section is provided with lower house 1, and upper shell 15 is communicated with the inner chamber of lower house 1；
Described lower house 1 by hollow out side wall and bottom constitute, enclosed inside has buoyancy body moving up and down 2,
The upper end of buoyancy body 2 is connected with a push rod 3 that can be moved up and down with which, and the upper end of push rod 3 is located at upper shell 15
It is interior, and the upper end of push rod 3 is connected with a horizontal plate 5, the horizontal plate 5 is provided with once sealing pad 6；It is described
Ring flange 16 on the upside of be installed on for push rod 3 pass through and prevent push rod 3 swing guiding mechanism 4；Described
The only upper end of upper shell 15 opens and is installed on air filter 12；It is provided with directly over described once sealing pad 6
The one vertical gas cylinder 8 little compared with its diameter, the 8 Jing inducing QIs cylinder base 9 of gas cylinder are fixed in upper shell 15
Portion and can slide up and down, be provided with to order about under gas cylinder 8 resets downwards between gas cylinder 8 and inducing QI cylinder base 9 and push away
Spring 7；One up big and down small tapered telescopic set 14 is located at the surface of gas cylinder 8, its lower end and gas cylinder 8
Upper end be tightly connected, its upper end is connected with the inner wall sealing of upper shell 15；The upside of tapered telescopic set 14 sets
There is the mesh plate 11 that a level is fixed in upper shell 15, one is fixed with the downside of the mesh plate 11 and is located at inducing QI
Secondary seal pad 13 directly over cylinder 8；When buoyancy body 2 floats, once sealing pad 6 and secondary seal pad 13
By the closed at both ends of gas cylinder 8, when buoyancy body 2 is sunk, once sealing pad 6 is not right with secondary seal pad 13
Closed at the two ends of gas cylinder 8；Described 15 upper end of upper shell is coated with dust cover 10.
When in steady flow compensation tank, water level is not enough, buoyancy body 2 declines with liquid level, and then causes once sealing pad 6
Move down with horizontal plate 5, gas cylinder 8 is received down to push away spring 7 and acts on and reset downwards, final once sealing pad
6 and secondary seal pad 13 separate with gas cylinder 8, steady flow compensation tank Jing lower houses 1, upper shell 15, lead
Inflator 8, tapered telescopic set 14, air filter 12 and and atmosphere, and then steady flow compensation tank can be avoided
The interior generation negative pressure and air of steady flow compensation tank drains into the external world during moisturizing.When in steady flow compensation tank, water level is full
When, buoyancy body 2 floats, and horizontal plate 5 is taken once sealing pad 6 and moved up, and once sealing pad 6 is by gas cylinder
8 lower end closeds and promote gas cylinder 8 push away under overcoming spring 7 elastic force and upward sliding, final gas cylinder 8
Upper end is closed by secondary seal pad 13, and then causes vacuum suppresser to be in cut-off state, in steady flow compensation tank
Water maintain normal hydraulic pressure without overflowing.
As gas cylinder 8 is necessary channel that steady flow compensation tank is in communication with the outside, and the inducing QI in cut-off state
The two ends of cylinder 8 are closed, and have reached the purpose of dual-seal；Due to gas cylinder 8 two ends with it is once close
Packing 6 and secondary seal pad 13 belong to action component, and tightness is easily worn impact, and the present invention is adopted
With double sealing structure, as long as wherein one end of gas cylinder 8 is closed, necessity of vacuum suppresser is capable of achieving
Function, therefore its long service life, working stability.
Claims (1)
1. a kind of double containment non-negative pressure method of water supply vacuum suppresser, it is characterised in that：Upper casing is provided with above ring flange
Body, lower section are provided with lower house, and upper shell is communicated with lower house；Side wall and bottom of the described lower house by hollow out
Constitute, enclosed inside has buoyancy body moving up and down, and the upper end of buoyancy body is connected with one and can move up and down with which
Push rod, the upper end of push rod is located in upper casing body, and the upper end of push rod is connected with a horizontal plate, on the horizontal plate
It is provided with once sealing pad；Be installed on the upside of described ring flange for push rod pass through and prevent push rod swing Guiding machine
Structure；Described upper shell only upper end opens and is installed on air filter；Set directly over described once sealing pad
There is a vertical gas cylinder little compared with its diameter, gas cylinder Jing inducing QI cylinder bases are fixed on inside upper shell and can go up
Lower slider, is provided with to order about between gas cylinder and inducing QI cylinder base and push away spring under gas cylinder reset downwards；On one it is big under
Positioned at the surface of gas cylinder, its lower end is tightly connected little tapered telescopic set with the upper end of gas cylinder, its upper end
It is connected with the inner wall sealing of upper shell；The upside of tapered telescopic set is provided with the mesh that a level is fixed in upper casing body
Plate, is fixed with a secondary seal pad being located at directly over gas cylinder on the downside of the mesh plate；When buoyancy body floats, one
Secondary sealing gasket and secondary seal pad by the closed at both ends of gas cylinder, when buoyancy body is sunk, once sealing pad with it is secondary
Sealing gasket is not closed to the two ends of gas cylinder；Described upper shell upper end is coated with dust cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510664268.XA CN106592705B (en) | 2015-10-14 | 2015-10-14 | Double-sealing non-negative pressure water supply vacuum suppressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510664268.XA CN106592705B (en) | 2015-10-14 | 2015-10-14 | Double-sealing non-negative pressure water supply vacuum suppressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106592705A true CN106592705A (en) | 2017-04-26 |
| CN106592705B CN106592705B (en) | 2020-08-18 |
Family
ID=58553266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510664268.XA Active CN106592705B (en) | 2015-10-14 | 2015-10-14 | Double-sealing non-negative pressure water supply vacuum suppressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106592705B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535402A (en) * | 2020-04-25 | 2020-08-14 | 上海南汇压力容器厂有限公司 | Diaphragm air pressure tank with joint sealing structure |
| CN113863441A (en) * | 2021-09-15 | 2021-12-31 | 江苏力达自动化设备有限公司 | Energy-saving tank type non-negative pressure water supply equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1265012A1 (en) * | 2001-06-05 | 2002-12-11 | Bayard | Venting valve for conduits for fluid |
| CN2637834Y (en) * | 2003-08-18 | 2004-09-01 | 无锡中安工程设备制造有限公司 | Direct floating negative pressure inhibition device |
| CN201057281Y (en) * | 2007-07-19 | 2008-05-07 | 吴雳鸣 | Elastic double-sealing balancing floater type bidirectional air valve |
| CN203741936U (en) * | 2013-12-30 | 2014-07-30 | 青岛万力科技有限公司 | Axial floating bucket type negative pressure eliminator |
| CN205116289U (en) * | 2015-10-15 | 2016-03-30 | 山东华立供水设备有限公司 | High leakproofness does not have negative pressure water supply vacuum inhibitor |
-
2015
- 2015-10-14 CN CN201510664268.XA patent/CN106592705B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1265012A1 (en) * | 2001-06-05 | 2002-12-11 | Bayard | Venting valve for conduits for fluid |
| CN2637834Y (en) * | 2003-08-18 | 2004-09-01 | 无锡中安工程设备制造有限公司 | Direct floating negative pressure inhibition device |
| CN201057281Y (en) * | 2007-07-19 | 2008-05-07 | 吴雳鸣 | Elastic double-sealing balancing floater type bidirectional air valve |
| CN203741936U (en) * | 2013-12-30 | 2014-07-30 | 青岛万力科技有限公司 | Axial floating bucket type negative pressure eliminator |
| CN205116289U (en) * | 2015-10-15 | 2016-03-30 | 山东华立供水设备有限公司 | High leakproofness does not have negative pressure water supply vacuum inhibitor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535402A (en) * | 2020-04-25 | 2020-08-14 | 上海南汇压力容器厂有限公司 | Diaphragm air pressure tank with joint sealing structure |
| CN111535402B (en) * | 2020-04-25 | 2021-03-26 | 上海南汇压力容器厂有限公司 | Diaphragm air pressure tank with joint sealing structure |
| CN113863441A (en) * | 2021-09-15 | 2021-12-31 | 江苏力达自动化设备有限公司 | Energy-saving tank type non-negative pressure water supply equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106592705B (en) | 2020-08-18 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Double sealed non negative pressure water supply vacuum suppressor Effective date of registration: 20211129 Granted publication date: 20200818 Pledgee: Qingzhou Shandong rural commercial bank Limited by Share Ltd. Pledgor: SHANDONG HUALI WATER SUPPLY EQUIPMENT Co.,Ltd. Registration number: Y2021980013513 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |