CN207314433U - A kind of negative pressure inhibition device of fast demountable - Google Patents
A kind of negative pressure inhibition device of fast demountable Download PDFInfo
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- CN207314433U CN207314433U CN201721009247.5U CN201721009247U CN207314433U CN 207314433 U CN207314433 U CN 207314433U CN 201721009247 U CN201721009247 U CN 201721009247U CN 207314433 U CN207314433 U CN 207314433U
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- negative pressure
- connecting rod
- diameter
- piston
- inhibition device
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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 utility model discloses a kind of negative pressure inhibition device of fast demountable, including upper body and lower body, connecting rod is further included；The upper body is equipped with spiracle, and air filter is provided with spiracle；The lower end of upper body is equipped with fixed plate, and intake valve is provided with fixed plate；Intake valve includes vent line and controls the elastic cock body of vent line break-make；The elastic cock body of upper end connection of connecting rod, elastic cock body is in round table-like；The lower end of connecting rod is fixed with piston；Piston is adapted with the internal diameter of lower body；Piston is equipped with only liquid device；The both ends of upper body and lower body are equipped with fast acting flange, and upper body and lower body by connecing clamp connection soon；There is blank flange in the upper end of upper body by connecing clamp connection soon.A kind of negative pressure inhibition device of fast demountable of the utility model, can quickly eliminate the negative pressure in steady flow compensator or water tank, and be split structure, and installation and removal are convenient, and have the advantages that simple in structure, good seal.
Description
Technical field
The utility model category supply equipment technical field, more particularly to a kind of negative pressure inhibition device of fast demountable.
Background technology
Negative pressure inhibition device also known as vacuum automatic compensator, for supply equipment water tank or steady flow compensator, for eliminating
The air inlet-and-exhaust device of vacuum in tank body, can effectively avoid public webmaster, water feeding of water pump pipeline from producing negative pressure.
Negative pressure inhibition device of the prior art, is mostly welding structure, non-dismountable between each several part, maintenance and safeguards not side
Just.
The content of the invention
For disadvantages described above, technical problem to be solved in the utility model is:A kind of negative pressure of fast demountable is provided
Suppressor, can quickly eliminate the negative pressure in steady flow compensator or water tank, and be split structure, and installation and removal are convenient,
And there is the advantages that simple in structure, good seal.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of negative pressure inhibition device of fast demountable, including the upper body and lower body to link together, further include and are located at
Connecting rod inside the lower body；The side wall of the upper body is equipped with the spiracle that is in communication with the outside, in the spiracle
Air filter is installed；The lower end of the upper body is equipped with fixed plate, and intake valve is provided with the fixed plate；The air inlet
Valve includes the vent line for connecting the fixed plate both sides and the elastic cock body for controlling the vent line break-make；
The upper end connection elastic cock body of the connecting rod, the elasticity cock body is in round table-like；Under the connecting rod
End is fixed with horizontally disposed piston；The piston is located in the lower body and is adapted with the internal diameter of lower body；The work
Beyond the Great Wall be equipped with prevent liquid upwardly through only liquid device；
The both ends of the upper body and lower body are equipped with fast acting flange, and the upper body and lower body by connecing clip soon
Link together；The upper end of the upper body connects clamp connection and has blank flange soon by described.
As an improvement the fast acting flange is equipped with groove；Sealing is equipped between the upper body and the lower body
Circle, the sealing ring are installed in the groove；Also be provided with the groove on the blank flange, the upper body with it is described blind
The sealing ring also is provided between plate flange.
As an improvement the intake valve includes the columned upper valve body that is fixed together and lower valve body, it is described on
The diameter of valve body is less than the diameter of the lower valve body；It is threaded on the outside of the upper valve body；The upper end of the lower valve body is set
There is positioning plane；The fixed plate is equipped with the screw hole being adapted with the screw thread, and the upper valve body is connected through a screw thread installation
In the screw hole；Elastic sealing gasket is equipped between the positioning plane and the fixed plate.
As an improvement the intake valve is equipped with the long guiding hole being connected with the vent line, the elasticity
Cock body is moved along the long guiding hole, and the upper end of the connecting rod is equipped with the guiding annulus being adapted with long guiding hole, described to lead
It is more than the diameter of the connecting rod to the diameter of annulus；The lower end of the intake valve is equipped with limiting plate, and limiting plate is equipped with through hole,
Through-hole diameter is less than the diameter for being oriented to annulus, the top for being oriented to annulus and being located at the limiting plate.
As an improvement compression spring is arranged with the connecting rod, described compression spring one end and the piston phase
Abut and touch, the downside of the other end and the limiting plate abuts.
As an improvement the only liquid device includes hollow housing, floating ball is equipped with the housing, the housing
Upper end is equipped with the through hole that diameter is less than the floating ball, and the lower end of housing is equipped with inlet opening.
Above-mentioned technical proposal is employed, the beneficial effects of the utility model are：
A kind of negative pressure inhibition device of fast demountable of the utility model, can quickly eliminate steady flow compensator or water tank
In negative pressure, and be split structure, the advantages that installation and removal are convenient, and with simple in structure, good seal.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the negative pressure inhibition device embodiment of fast demountable of the utility model；
Fig. 2 is enlarged drawing at E in Fig. 1；
Wherein：1- upper bodies, the fast acting flanges of 11-, 12- connect clip soon, 13- blank flanges, 14- sealing rings, 15- grooves,
16- spiracles, 17- air filters, 18- fixed plates, 181- screw holes, 2- lower bodies, 3- intake valves, 31- vent lines, 32-
Elastic cock body, 33- upper valve bodies, 34- lower valve bodies, 35- positioning planes, 36- long guiding holes, 37- limiting plates, 371- through holes, 4- connect
Extension bar, 41- are oriented to annulus, 42- compression springs, 5- pistons, 51- elastic sealed bodies, 52- guide rings, first shaft shoulders of 53-, 54- axis
Stop liquid device, 61- housings, 62- floating balls, 63- ventholes, 64- water inlets with circlip, second shaft shoulders of 55-, 56- fillets, 6-
Hole, 7- elastic sealing gaskets.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, is not used to limit the utility model.
Embodiment
As shown in Figure 1, a kind of negative pressure inhibition device of fast demountable, including the upper body 1 and lower body to link together
2, further include intake valve 3 and connecting rod 4.The both ends of upper body 1 and lower body 2 are equipped with fast acting flange 11, upper body 1 and lower
Body 2 is linked together by connecing clip 12 soon.The upper end of upper body 1 is connected with blank flange 13 by connecing clip 12 soon.Connect soon
Flange 11 is equipped with groove 15.Sealing ring 14 is equipped between upper body 1 and lower body 2, sealing ring 14 is installed in groove 15.Blind plate
Groove 15 also is provided with flange 13, sealing ring 14 also is provided between upper body 1 and blank flange 13.Fast acting flange in above structure
11st, blank flange 13, connect clip 12 and sealing ring 14 not only convenient disassembly soon, sealing effect is good, can also fast quick-detach, be easy to
The dismounting and maintenance of the negative pressure inhibition device of fast demountable.The side wall of upper body 1 is equipped with the spiracle 16 being in communication with the outside, and exhales
Air filter 17 is installed in sucker 16.Air filter 17 can effectively cross the impurity in air filtering, pair can will not quickly tear open
Polluted inside the negative pressure inhibition device of dress, safety and sanitation.The lower end of upper body 1 is equipped with fixed plate 18, is installed in fixed plate 18
There is intake valve 3.Intake valve 3 includes the vent line 31 of 18 both sides of connection fixed plate and the resilient plug of control 31 break-make of vent line
Body 32.
As shown in Figure 1, the elastic cock body 32 of upper end connection of connecting rod 4, elastic cock body 32 is in round table-like.Intake valve 3 includes
The columned upper valve body 33 and lower valve body 34 being fixed together, the diameter of upper valve body 33 are less than the diameter of lower valve body 34.Upper valve
The outside of body 33 is threaded.The upper end of lower valve body 34 is equipped with positioning plane 35.Fixed plate 18 is equipped with and is adapted with screw thread
Screw hole 181, upper valve body 33 is connected through a screw thread in screw hole 181.Position and elasticity is equipped between plane 35 and fixed plate 18
Gasket 8.The sealing structure is good, convenient disassembly.Intake valve 3 is equipped with the long guiding hole 36 being connected with vent line 31,
Elastic cock body 32 is moved along long guiding hole 36.The upper end of connecting rod 4 is equipped with the guiding annulus 41 being adapted with long guiding hole 36, leads
It is more than the diameter of connecting rod 4 to the diameter of annulus 41.The lower end of intake valve 3 is equipped with limiting plate 37, and limiting plate 37 is equipped with through hole
371,371 diameter of through hole is less than the diameter for being oriented to annulus 41, is oriented to the top that annulus 41 is located at limiting plate 37.Covered in connecting rod 4
Equipped with compression spring 42,42 one end of compression spring is abutted with piston 5, and the downside of the other end and limiting plate 37 abuts against
Touch.
Jointly shown by Fig. 1 and Fig. 2, the lower end of connecting rod 4 is fixed with horizontally disposed piston 5.Piston 5 is under described
In body 2, piston 5 be equipped with prevent liquid upwardly through only liquid device 6.The both ends of piston 5 are mounted on elastic sealed body
51 and guide ring 52.The both ends of piston 5 are respectively mounted guide ring 52 so that piston 5 is not subject to radial load when moving reciprocatingly, extend
The service life of piston 5.The outside diameter of elastic sealed body 51 is adapted with the inner cavity of lower body 2 so that piston 5 and lower body 2
Between good seal, it is air tight, it is water-tight.The outside diameter of piston 5 be less than elastic sealed body 51 outside diameter so that piston 5 move when compared with
Few frictional force.Elastic sealed body 51 can be replaced directly after wearing, it is not necessary to replace piston 5, save cost.The both ends of piston 5
First shaft shoulder 53 and circlip for shaft 54 are equipped with, elastic sealed body is installed between first shaft shoulder 53 and circlip for shaft 54
51.Second shaft shoulder 55 is additionally provided with piston 5, second shaft shoulder 55 is located at the inner side of first shaft shoulder 53, second shaft shoulder 55 and elastic packing
The guide ring 52 is installed between body 51.Fillet 56 is machined between the end of elastic sealed body 51 and outer circumference surface, work can be reduced
Abrasion and reduction resistance during the movement of plug 5 to elastic sealed body 51.Only liquid device 6 includes hollow housing 61, is set in housing 61
There is floating ball 62, floating ball 62 is elastomer floating ball 62, and sealing effect is good.The upper end of housing 61 is equipped with the ventilation that diameter is less than floating ball 62
Hole 63, the lower end of housing 61 are equipped with inlet opening 64.
In use, the upper end that the negative pressure inhibition device of the fast demountable is installed on to steady flow compensator or water tank uses,
Connect by the fast acting flange 11 of the negative pressure inhibition device lower end of fast demountable and soon clip 12 and can quickly and easily install.When
When there is negative pressure in steady flow compensator or water tank, after air is filtered by air filter 17, enter upper through spiracle 16
Inside body 1, then enter by the vent line 31 of intake valve 3 in lower body 2, steady flow compensator is reached by stopping liquid device 6
Or water tank, realize the purpose for eliminating negative pressure.When hydraulic pressure raises in steady flow compensator or water tank, current pass through inlet opening 64
Into only in liquid device 6, floating ball 62 is subject to the buoyancy of water, movement, blocks venthole 63 so that current cannot be to upstream upwards
It is logical, achieve the purpose that to stop liquid to upper direction.When in steady flow compensator or water tank hydraulic pressure continue rise when, 5 stress of piston to
Upper compression pressure spring 42, piston 5 drive connecting rod 4 and elastic cock body 32 to move upwards, and elastic cock body 32 blocks vent line
31, the negative pressure inhibition device of fast demountable stops outwardly being vented, while also has the second work for preventing liquid from flowing backwards again at this
With.
A kind of negative pressure inhibition device of fast demountable of the utility model, can quickly eliminate steady flow compensator or water tank
In negative pressure, operate steadily during piston motion, be not subject to radial load, elastic sealed body stress is small, piston service life length,
And with simple in structure, good seal, mounts and dismounts the advantages that facilitating.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (6)
- A kind of 1. negative pressure inhibition device of fast demountable, it is characterised in that：Including the upper body and lower body to link together, go back Including the connecting rod inside the lower body；The side wall of the upper body is equipped with the spiracle being in communication with the outside, and air filter is provided with the spiracle；Institute The lower end for stating upper body is equipped with fixed plate, and intake valve is provided with the fixed plate；The intake valve includes connecting the fixation The vent line of plate both sides and the elastic cock body for controlling the vent line break-make；The upper end connection elastic cock body of the connecting rod, the elasticity cock body is in round table-like；The lower end of the connecting rod is consolidated Surely there is horizontally disposed piston；The piston is located in the lower body and is adapted with the internal diameter of lower body；On the piston Equipped with prevent liquid upwardly through only liquid device；The both ends of the upper body and lower body are equipped with fast acting flange, and the upper body and lower body by connecing clamp connection soon Together；The upper end of the upper body connects clamp connection and has blank flange soon by described.
- 2. the negative pressure inhibition device of fast demountable according to claim 1, it is characterised in that：The fast acting flange is equipped with Groove；Sealing ring is equipped between the upper body and the lower body, the sealing ring is installed in the groove；The blind plate method The groove also is provided with orchid, the sealing ring also is provided between the upper body and the blank flange.
- 3. the negative pressure inhibition device of fast demountable according to claim 2, it is characterised in that：The intake valve includes being connected Columned upper valve body together and lower valve body, the diameter of the upper valve body are less than the diameter of the lower valve body；The upper valve It is threaded on the outside of body；The upper end of the lower valve body is equipped with positioning plane；The fixed plate is equipped with and the screw thread phase The screw hole of adaptation, the upper valve body are connected through a screw thread in the screw hole；Between the positioning plane and the fixed plate Equipped with elastic sealing gasket.
- 4. the negative pressure inhibition device of fast demountable according to claim 3, it is characterised in that：The intake valve be equipped with The long guiding hole that the vent line is connected, the elasticity cock body are moved along the long guiding hole, the upper end of the connecting rod Equipped with the guiding annulus being adapted with long guiding hole, the diameter for being oriented to annulus is more than the diameter of the connecting rod；It is described into The lower end of air valve is equipped with limiting plate, and limiting plate is equipped with through hole, and through-hole diameter is less than the diameter for being oriented to annulus, the guiding annulus Positioned at the top of the limiting plate.
- 5. the negative pressure inhibition device of fast demountable according to claim 4, it is characterised in that：It is arranged with the connecting rod Compression spring, described compression spring one end are abutted with the piston, and the downside of the other end and the limiting plate abuts against Touch.
- 6. the negative pressure inhibition device of fast demountable according to claim 5, it is characterised in that：It is described during only liquid device includes Empty housing, is equipped with floating ball in the housing, and the upper end of the housing is equipped with through hole of the diameter less than the floating ball, under housing End is equipped with inlet opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721009247.5U CN207314433U (en) | 2017-08-11 | 2017-08-11 | A kind of negative pressure inhibition device of fast demountable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721009247.5U CN207314433U (en) | 2017-08-11 | 2017-08-11 | A kind of negative pressure inhibition device of fast demountable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207314433U true CN207314433U (en) | 2018-05-04 |
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ID=62435286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721009247.5U Active CN207314433U (en) | 2017-08-11 | 2017-08-11 | A kind of negative pressure inhibition device of fast demountable |
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| Country | Link |
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| CN (1) | CN207314433U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173578A (en) * | 2019-12-02 | 2020-05-19 | 厚力德机器（杭州）有限公司 | Turbine machinery condensate water vacuum collection system |
| CN113279457A (en) * | 2021-05-30 | 2021-08-20 | 上海上锐泵业(集团)有限公司 | Double-tank type pressure-stabilizing compensation non-negative-pressure water supply equipment |
-
2017
- 2017-08-11 CN CN201721009247.5U patent/CN207314433U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173578A (en) * | 2019-12-02 | 2020-05-19 | 厚力德机器（杭州）有限公司 | Turbine machinery condensate water vacuum collection system |
| CN113279457A (en) * | 2021-05-30 | 2021-08-20 | 上海上锐泵业(集团)有限公司 | Double-tank type pressure-stabilizing compensation non-negative-pressure water supply equipment |
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