CN205116289U - High leakproofness does not have negative pressure water supply vacuum inhibitor - Google Patents
High leakproofness does not have negative pressure water supply vacuum inhibitor Download PDFInfo
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- CN205116289U CN205116289U CN201520798671.7U CN201520798671U CN205116289U CN 205116289 U CN205116289 U CN 205116289U CN 201520798671 U CN201520798671 U CN 201520798671U CN 205116289 U CN205116289 U CN 205116289U
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- push rod
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Abstract
The utility model discloses a high leakproofness does not have negative pressure water supply vacuum inhibitor, the casing reached casing down on it was equipped with on the ring flange, and the internal portion of inferior valve is packaged with the body that floats, and the upper end of the unsteady body is connected with the ejector pin, and the upper end of ejector pin lies in the internal upper end of epitheca and is connected with the level dish, is equipped with once sealed the pad on the level dish, go up the only open air cleaner that has just installed in upper end of casing, be equipped with a gas cylinder directly over once sealing up the pad, the gas cylinder is fixed through the air guide cylinder base and to be slided from top to bottom, and a toper is stretched out and drawn back and is overlapped the inner wall sealing connection of the upper end sealing connection of lower extreme and gas cylinder, upper end and last casing, the upside of the flexible cover of toper is equipped with a mesh board, and this mesh board downside is fixed with the secondary seal pad. Utility model has adopted dual -seal structure, as long as the wherein one end of gas cylinder, all can realize the necessary function of vacuum inhibitor by closed, thus its long service life, job stabilization.
Description
Technical field
The utility model relates to non-negative pressure method of water supply field, particularly relates to a kind of non-negative pressure method of water supply vacuum suppresser of double containment.
Background technology
Vacuum suppresser is mainly used on the pipe network secondary pressure supply equipment of municipal tap water, suppress to produce negative pressure in water system, keep the pressure balanced equipment of tap water pipe network, current vacuum suppresser is made up of ball float and the large core of valve body two usually, ball float fluctuates according to the change of steady flow compensation tank middle water level, then drives valve body produce action and switch on off operating mode.The on off operating mode of current vacuum suppresser controls by means of only place's switching mechanism (valve block, ball valve), once switching mechanism sealing goes wrong, vacuum suppresser is with regard to cisco unity malfunction, and switching mechanism belongs to action component, comparatively wear and tear, therefore there is the shortcomings such as short, job insecurity, sealing difference in application life in existing vacuum suppresser.
Utility model content
The purpose of this utility model is to provide a kind of reasonable in design, good airproof performance, long service life, the high leakproofness non-negative pressure method of water supply vacuum suppresser of working stability.
For realizing above-mentioned technical purpose, the utility model adopts following technical scheme:
A kind of high leakproofness non-negative pressure method of water supply vacuum suppresser, it is provided with upper shell above flange, and below is provided with lower house, and upper shell communicates with lower house; Described lower house is made up of the sidewall of hollow out and bottom, enclosed inside has buoyancy body moving up and down, the upper end of buoyancy body is connected with a push rod that can move up and down with it, the upper end of push rod is positioned at upper shell, and the upper end of push rod is connected with a horizontal plate, this horizontal plate is provided with once sealing pad; The guiding mechanism preventing push rod from swinging for push rod passes is installed on the upside of described flange; Described upper shell only upper end opens and is installed on air filter; Be provided with a vertical gas cylinder little compared with its diameter directly over described once sealing pad, this gas cylinder is fixed on upper shell inside through air guide cylinder base and can slides up and down, and is provided with to order about under gas cylinder resets downwards to push away spring between gas cylinder and air guide cylinder base; One up big and down small tapered telescopic cover is positioned at directly over gas cylinder, and the upper end of its lower end and gas cylinder is tightly connected, and its upper end is connected with the inner wall sealing of upper shell; The upside of tapered telescopic cover is provided with a level and is fixed on mesh plate in upper shell, is fixed with one and is positioned at secondary seal pad directly over gas cylinder on the downside of this mesh plate; When buoyancy body is floated, once sealing pad and secondary seal pad are by the closed at both ends of gas cylinder, and when buoyancy body is sunk, once sealing pad and secondary seal pad are not closed the two ends of gas cylinder; Described upper shell upper end is coated with dust cover.
When water level in steady flow compensation tank is not enough, buoyancy body declines with liquid level, and then once sealing pad is moved down with horizontal plate, gas cylinder is subject to down push away spring action and reset downwards, final once sealing pad and secondary seal pad are all separated with gas cylinder, steady flow compensation tank through lower house, upper shell, gas cylinder, tapered telescopic cover, air filter and being communicated with air, and then can be avoided producing negative pressure in steady flow compensation tank and the air of steady flow compensation tank drains into the external world in moisturizing process.When steady flow compensation tank middle water level is full, buoyancy body is floated, horizontal plate is taken once sealing pad and is moved up, once sealing pad is by gas cylinder lower end closed and promote to push away spring force under gas cylinder overcomes and upward sliding, the upper end of final gas cylinder is closed by secondary seal pad, and then making vacuum suppresser be in cut-off state, the water in steady flow compensation tank maintains normal hydraulic pressure and can not overflow.
The utility model has following beneficial effect: because gas cylinder is the necessary channel be in communication with the outside by steady flow compensation tank, and when cut-off state, the two ends of gas cylinder are all closed, and reach the object of double seal; Because the two ends of gas cylinder and once sealing pad and secondary seal pad belong to action component, leakproofness is easily worn impact, and the utility model have employed double sealing structure, as long as wherein one end of gas cylinder is closed, all can realize the necessary function of vacuum suppresser, therefore its long service life, working stability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1, lower house, 2, buoyancy body, 3, push rod, 4, guiding mechanism, 5, horizontal plate, 6, once sealing pad, 7, under push away spring, 8, gas cylinder, 9, air guide cylinder base, 10, dust cover, 11, mesh plate, 12, air filter, 13, secondary seal pad, 14, tapered telescopic cover, 15, upper shell, 16, flange.
Detailed description of the invention
As shown in Figure 1, a kind of high leakproofness non-negative pressure method of water supply vacuum suppresser disclosed in the utility model, it is provided with upper shell 15 above flange 16, and below is provided with lower house 1, and upper shell 15 communicates with the inner chamber of lower house 1; Described lower house 1 is made up of the sidewall of hollow out and bottom, enclosed inside has buoyancy body 2 moving up and down, the upper end of buoyancy body 2 is connected with a push rod 3 that can move up and down with it, the upper end of push rod 3 is positioned at upper shell 15, and the upper end of push rod 3 is connected with a horizontal plate 5, this horizontal plate 5 is provided with once sealing pad 6; The guiding mechanism 4 preventing push rod 3 from swinging for push rod 3 passes is installed on the upside of described flange 16; Described upper shell 15 only upper end opens and is installed on air filter 12; A vertical gas cylinder 8 little compared with its diameter is provided with directly over described once sealing pad 6, this gas cylinder 8 is fixed on upper shell 15 inside through air guide cylinder base 9 and can slides up and down, and is provided with to order about under gas cylinder 8 resets downwards to push away spring 7 between gas cylinder 8 and air guide cylinder base 9; One up big and down small tapered telescopic cover 14 is positioned at directly over gas cylinder 8, and the upper end of its lower end and gas cylinder 8 is tightly connected, and its upper end is connected with the inner wall sealing of upper shell 15; The upside of tapered telescopic cover 14 is provided with a level and is fixed on mesh plate 11 in upper shell 15, is fixed with one and is positioned at secondary seal pad 13 directly over gas cylinder 8 on the downside of this mesh plate 11; When buoyancy body 2 is floated, once sealing pad 6 and secondary seal pad 13 are by the closed at both ends of gas cylinder 8, and when buoyancy body 2 is sunk, once sealing pad 6 and secondary seal pad 13 are not closed the two ends of gas cylinder 8; Described upper shell 15 upper end is coated with dust cover 10.
When water level in steady flow compensation tank is not enough, buoyancy body 2 declines with liquid level, and then once sealing pad 6 is moved down with horizontal plate 5, gas cylinder 8 is subject to down to push away spring 7 and acts on and reset downwards, final once sealing pad 6 and secondary seal pad 13 are all separated with gas cylinder 8, steady flow compensation tank through lower house 1, upper shell 15, gas cylinder 8, tapered telescopic cover 14, air filter 12 and being communicated with air, and then can to avoid in steady flow compensation tank generation negative pressure and the air of steady flow compensation tank drains into the external world in moisturizing process.When steady flow compensation tank middle water level is full, buoyancy body 2 is floated, horizontal plate 5 is taken once sealing pad 6 and is moved up, once sealing pad 6 is by gas cylinder 8 lower end closed and promote to push away under gas cylinder 8 overcomes the elastic force of spring 7 and upward sliding, the upper end of final gas cylinder 8 is closed by secondary seal pad 13, and then making vacuum suppresser be in cut-off state, the water in steady flow compensation tank maintains normal hydraulic pressure and can not overflow.
Because gas cylinder 8 is the necessary channels be in communication with the outside by steady flow compensation tank, and when cut-off state, the two ends of gas cylinder 8 are all closed, and reach the object of double seal; Because the two ends of gas cylinder 8 and once sealing pad 6 and secondary seal pad 13 belong to action component, leakproofness is easily worn impact, and the utility model have employed double sealing structure, as long as wherein one end of gas cylinder 8 is closed, all can realize the necessary function of vacuum suppresser, therefore its long service life, working stability.
Claims (1)
1. a high leakproofness non-negative pressure method of water supply vacuum suppresser, it is characterized in that: be provided with upper shell above flange, below is provided with lower house, and upper shell communicates with lower house; Described lower house is made up of the sidewall of hollow out and bottom, enclosed inside has buoyancy body moving up and down, the upper end of buoyancy body is connected with a push rod that can move up and down with it, the upper end of push rod is positioned at upper shell, and the upper end of push rod is connected with a horizontal plate, this horizontal plate is provided with once sealing pad; The guiding mechanism preventing push rod from swinging for push rod passes is installed on the upside of described flange; Described upper shell only upper end opens and is installed on air filter; Be provided with a vertical gas cylinder little compared with its diameter directly over described once sealing pad, this gas cylinder is fixed on upper shell inside through air guide cylinder base and can slides up and down, and is provided with to order about under gas cylinder resets downwards to push away spring between gas cylinder and air guide cylinder base; One up big and down small tapered telescopic cover is positioned at directly over gas cylinder, and the upper end of its lower end and gas cylinder is tightly connected, and its upper end is connected with the inner wall sealing of upper shell; The upside of tapered telescopic cover is provided with a level and is fixed on mesh plate in upper shell, is fixed with one and is positioned at secondary seal pad directly over gas cylinder on the downside of this mesh plate; When buoyancy body is floated, once sealing pad and secondary seal pad are by the closed at both ends of gas cylinder, and when buoyancy body is sunk, once sealing pad and secondary seal pad are not closed 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 |
|---|---|---|---|
| CN201520798671.7U CN205116289U (en) | 2015-10-15 | 2015-10-15 | High leakproofness does not have negative pressure water supply vacuum inhibitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520798671.7U CN205116289U (en) | 2015-10-15 | 2015-10-15 | High leakproofness does not have negative pressure water supply vacuum inhibitor |
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| Publication Number | Publication Date |
|---|---|
| CN205116289U true CN205116289U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520798671.7U Active CN205116289U (en) | 2015-10-15 | 2015-10-15 | High leakproofness does not have negative pressure water supply vacuum inhibitor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592705A (en) * | 2015-10-14 | 2017-04-26 | 山东华立供水设备有限公司 | Dual-sealing negative-pressure-free vacuum suppressor for water supply |
-
2015
- 2015-10-15 CN CN201520798671.7U patent/CN205116289U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592705A (en) * | 2015-10-14 | 2017-04-26 | 山东华立供水设备有限公司 | Dual-sealing negative-pressure-free vacuum suppressor for water supply |
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