CN206092995U - Level pressure formula relief valve - Google Patents
Level pressure formula relief valve Download PDFInfo
- Publication number
- CN206092995U CN206092995U CN201620789926.8U CN201620789926U CN206092995U CN 206092995 U CN206092995 U CN 206092995U CN 201620789926 U CN201620789926 U CN 201620789926U CN 206092995 U CN206092995 U CN 206092995U
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- Prior art keywords
- valve
- valve body
- ball
- valve ball
- pressure
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- Expired - Fee Related
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Abstract
The utility model relates to a level pressure formula relief valve. This level pressure formula relief valve includes valve body, annular component, flange, valve ball, spring and guide arm. This valve ball has the edge the central axis's through -hole, the valve ball is arranged lie in on the upper end of valve body annular component 's valve ball intracavity. This spring mounting is in the spring of valve body hold the intracavity with to elasticity is applyed to the valve ball. This guide arm passes the guide rod hole of valve body the spring the disk seat and the through -hole of valve ball is and follow the up end of valve body is with the terminal surface is outstanding down. The valve ball can be followed the guide arm removes between position and the closed position opening, when the supply has pressure to be more than or equal to the fluid of threshold value pressure in the pipeline, the valve ball be in closed position with the valve seat seal ground joint of valve body, do not supply the fluid or fluidic pressure is lighter than in the pipeline during threshold value pressure, the valve ball is in open the position with the disk seat separation of valve body.
Description
Technical field
The utility model is related to constant-pressure type eduction valve.
Background technology
Eduction valve is a kind of conventional valve in industry and civil engineering.Divided according to type of drive, eduction valve can be with
It is divided into automatic valve, power drive valve and hand-operated valve.Automatic valve is referred to and does not need external force to drive but by the energy of medium itself
To make the valve of valve event.Power drive valve can be driven using various power sources, such as including motor-driven valve, pneumatic
Valve, hydraulic operated valve and gas-motor-driven valve etc..Hand-operated valve refers to and manipulates valve by manpower and move by handwheel, handle, regulations and parameters, sprocket wheel
The valve of work.Under many circumstances, automatic drainage valve is preferred.The automatic drainage valve of prior art is generally supplied in the duct
, less than the fluid of threshold pressure or not to closure during pipeline supply pressure fluid, in the duct supply pressure is more than threshold pressure for pressure
Open during the fluid of power.In some fields, such as the water knockout drum of the water jet oil dirt clarifier disclosed in CN204017597U
And out of stock integrated apparatus of flue-gas dust-removing and desulfurization disclosed in Chinese utility model patent application 201620410343.X are penetrated
Flow-generator, in working order under, pressure fluid is supplied with pipeline, in off working state, stop to pipeline supply pressurization
Fluid.Expect in a non-operative state automatically to drain the fluid remained in pipeline.However, lacking in prior art such
Automatic drainage valve, the automatic drainage valve is closed when to supplied with pressurised fluid in pipeline, and is being stopped to pipeline supply pressurized stream
Close to drain the fluid remained in pipeline during body.
Utility model content
The purpose of this utility model is just to provide a kind of constant-pressure type eduction valve, and the constant-pressure type eduction valve is supplied in pipeline
Close during charging fluid, and close to drain the fluid remained in pipeline when stopping to pipeline supply charging fluid.
Above-mentioned purpose is realized by constant-pressure type eduction valve of the present utility model, and the constant-pressure type eduction valve includes：Valve body, should
Valve body has central axis, upper end, side wall, upper surface and a lower surface, and the valve body is provided with guide rod hole along the central axis, at this
Valve seat in upper surface and positioned at valve seat lower section and the spring accommodating chamber that connects with the valve seat, the valve body is also described
At least one outage connected with the spring accommodating chamber is provided with the wall of side；Annular construction member, the annular construction member is in described
The upper end of the valve body is arranged and be connected to heart axis, for forming the valve ball chamber with pipeline communication；Adpting flange, the company
Acting flange is connected to the upper end of the annular construction member；Valve ball, the valve ball has the through hole along the central axis, the valve ball
It is arranged on the upper end of the valve body in the valve ball chamber of the annular construction member；Spring, the spring is arranged on the valve body
Spring accommodating chamber in to the valve ball apply elastic force；And guide rod, guide rod hole, the bullet of the guide rod through the valve body
Spring, the through hole of the valve seat orifice and the valve ball and project from the upper surface of the valve body and lower surface, wherein, the valve
Ball can between the open and the closed positions be moved along the guide rod, be supplied with pressure in the pipeline and be more than or equal to
During the fluid of threshold pressure, the valve ball is in the close position to engage with the valve base sealing of the valve body, in the pipeline
Inside the pressure of non-supply fluid or fluid be less than the threshold pressure when, the valve ball in the open position with the valve
The valve seat of body is separated.
When constant-pressure type eduction valve of the present utility model is not supplied with pressure fluid in the duct, valve ball is under the action of the spring
Valve seat with the valve body in an open position is separated；Pressure fluid of the pressure more than pre- constant-pressure type is supplied with the duct
When, valve ball is engaged in the presence of pressure fluid against the elastic force valve seat with the valve body in the close position of spring；When
Stop to during pipeline supply pressure fluid or when the pressure of pressure fluid is less than threshold pressure, valve ball is under the action of the spring
Return to open position again to separate with the valve seat with the valve body.
In a preferred embodiment, the annular construction member is back taper.So beneficial to the impurity in residual fluid in valve
Precipitate when ball is in the close position and drain when valve ball is in an open position.
In a preferred embodiment, the valve body, the annular construction member and the adpting flange are connected by welding
Together.So can simply, inexpensively manufacture constant-pressure type eduction valve of the present utility model.
In a preferred embodiment, the valve body is also provided with diametrically opposite two outage in the side wall.
Residual fluid in the duct is discharged so unobstructedly.
In a preferred embodiment, the valve body is also provided with evenly spaced four discharge opeings in circumference in the side wall
Hole.Residual fluid in the duct is discharged so more unobstructedly.
In a preferred embodiment, the valve ball is made up of rubber.In the duct during supplied with pressurised fluid, by rubber structure
Into valve ball can elastic deformation to follow the shape of valve seat, so as to sealingly engage the valve seat.
Description of the drawings
Advantages and features of the present utility model can be become apparent by the following embodiment for describing with reference to the accompanying drawings.
In the accompanying drawings：
Fig. 1 is the sectional view that pipeline is attached to according to the constant-pressure type eduction valve of embodiment of the present utility model.
Fig. 2 a are the sectional views of the valve body of the constant-pressure type eduction valve of Fig. 1, and Fig. 2 b are the valve bodies of the constant-pressure type eduction valve of Fig. 1
Side view.
Specific embodiment
It will be understood by those skilled in the art that the following specific descriptions to embodiment of the present utility model are just to abundant
Open the utility model, and should not be construed as limiting scope of the present utility model.It should also be understood by those skilled in the art that not taking off
In the case of scope of the present utility model, the feature of above-mentioned embodiment can be modified, replaced or combined.This practicality
New scope is defined by the claims.It should also be understood by those skilled in the art that accompanying drawing is not drawn necessarily to scale.
Herein, word "and/or" refers to any combination of any one and the Listed Items in Listed Items.Separately
Outward, in the text, term "up" and "down" is that the orientation illustrated in reference picture is described.
Fig. 1 is the sectional view that pipeline 30 is attached to according to the constant-pressure type eduction valve 1 of embodiment of the present utility model.It is fixed
Pressure type eduction valve 1 includes valve body 2, annular construction member 3, adpting flange 4, guide rod 5, spring 6, valve ball 7.Fig. 2 a are constant-pressure type eduction valves
The sectional view of 1 valve body 2, Fig. 2 b are the side views of the valve body 2 of constant-pressure type eduction valve 1.As shown in Figure 2 a and 2 b, valve body 2
With central axis X-X, upper end 8, side wall 9, upper surface 10 and lower surface 11.Valve body 2 is provided with guide rod hole along central axis X-X
12nd, in upper surface 10 valve seat 13 and the spring accommodating chamber 14 connected below valve seat 13 and with valve seat 13.Valve body 2 exists
At least one outage 15 connected with spring accommodating chamber 14 is provided with side wall 9.In the embodiment illustrated in figure, valve body 2
Evenly spaced four outages 14 in circumference can be provided with side wall 9.Residual is discharged so more unobstructedly in the duct
Fluid.However, in other embodiments, valve body 2 can be provided with diametrically opposite two outage 14 in side wall 9.
With reference to Fig. 1, annular construction member 3 is arranged around central axis X-X and is connected to the upper end 8 of valve body 2, for being formed
The valve ball chamber 16 connected with pipeline 30.Annular construction member 3 can be cylinder.Preferably, annular construction member 3 can be back taper.This
Sample is precipitated and drained when valve ball 7 is in an open position beneficial to the impurity in residual fluid when valve ball 7 is in the close position.
Adpting flange 4 can be annular, such as annular etc..Adpting flange 4 is connected to the upper end of annular construction member 3, uses
In the adpting flange that pipeline 30 is detachably connectable to for example, by bolt 17, plain washer 18, spring washer 19 and nut 20
31.Sealing gasket 21 can be set between the adpting flange 2 of constant-pressure type eduction valve 1 and the adpting flange 31 of pipeline 30, so that fixed
Pressure type eduction valve 1 and pipeline 30 are sealingly coupled together.
Preferably, valve body 2, annular construction member 3 and adpting flange 4 can be formed from steel.It is highly preferred that valve body 2, annular construction member
3 and adpting flange 4 can be by being welded together.This process is simple, with low cost for production is customized.Invention
People further contemplates that valve body 2, annular construction member 3 and adpting flange 4 may be integrally formed, such as by casting.This is more suitable for large quantities of
Amount production.
Valve ball 7 has the through hole 22 along central axis X-X.Valve ball 7 is arranged on the upper end 8 of valve body 2 and is located at annular structure
In the valve ball chamber 16 of part 3.Spring 8 is arranged in the spring accommodating chamber 14 of valve body 2 to apply elastic force to valve ball 7.Guide rod 5 passes through valve
The through hole 22 of the guide rod hole 12 of body 2, spring 8, valve seat 13 and valve ball 7 and dash forward from the upper surface 9 and lower surface 11 of valve body 2
Go out.As shown in figure 1, the upper and lower end of guide rod 5 can be respectively provided with fixing nut 23.
Valve ball 7 can between the open and the closed positions be moved along guide rod 5, be supplied with pressure in pipeline 30 and be more than
Or equal to threshold pressure fluid when, the valve seat 13 with valve body 2 in the close position of valve ball 7 is sealingly engaged, in pipeline 30
When inside the pressure of non-supply fluid or fluid is less than the threshold pressure, the valve seat 13 with valve body 2 in an open position of valve ball 7
Separate.Fig. 1 shows that valve ball 7 is in an open position.Although illustrating that spring 6 is fully located at the spring accommodating chamber 14 of valve body 2 in figure
It is interior, but spring 6 can also be reached in the valve ball chamber 16 of annular construction member 3.Packing ring can be set between valve ball 7 and spring 6
24, to adjust the Lift of valve ball 7, so as to control the discharge capacity of constant-pressure type eduction valve 1.
When constant-pressure type eduction valve 1 of the present utility model is not supplied with pressure fluid in pipeline 30, valve ball 7 is in spring 6
The valve seat 13 with valve body 2 in an open position is separated under effect；Pressure adding more than pre- constant-pressure type is supplied with pipeline 30
During pressure fluid, valve ball 7 is in the presence of pressure fluid against the elastic force valve seat 13 with valve body 2 in the close position of spring 6
Sealingly engage；When stopping to 30 supplied with pressurised fluid of pipeline or when the pressure of pressure fluid is less than the threshold pressure
When, valve ball 7 is returned to open position and is separated with the valve seat 13 with valve body 2 again in the presence of spring 6, so as to residual fluid be led to
Cross outage 15 to drain.
In a preferred embodiment, valve ball 7 can be made up of rubber.In pipeline 30 during supplied with pressurised fluid, by rubber
The valve ball 7 that glue is constituted understands elastic deformation to follow the shape of valve seat 13, so as to sealingly engage valve seat 13.
Claims (6)
1. a kind of constant-pressure type eduction valve, it is characterised in that the constant-pressure type eduction valve includes：
Valve body, the valve body has central axis, upper end, side wall, upper surface and lower surface, and the valve body is provided with along the central axis
Guide rod hole, the valve seat in the upper surface and the spring accommodating chamber connected below the valve seat and with the valve seat, should
Valve body is also provided with least one outage connected with the spring accommodating chamber in the side wall；
Annular construction member, the annular construction member is arranged around the central axis and is connected to the upper end of the valve body, for shape
Into the valve ball chamber with pipeline communication；
Adpting flange, the adpting flange is connected to the upper end of the annular construction member；
Valve ball, the valve ball has the through hole along the central axis, and the valve ball is arranged on the upper end of the valve body and is located at
In the valve ball chamber of the annular construction member；
Spring, the spring is arranged in the spring accommodating chamber of the valve body to apply elastic force to the valve ball；And
Guide rod, the guide rod through the guide rod hole of the valve body, the spring, the valve seat and the valve ball through hole and from
The upper surface of the valve body and lower surface project,
Wherein, the valve ball can between the open and the closed positions be moved along the guide rod, be supplied in the pipeline
Have pressure more than or equal to threshold pressure fluid when, the valve ball it is in the close position with the valve base sealing of the valve body ground
Engagement, when the pressure of non-supply fluid or fluid is less than the threshold pressure in the pipeline, the valve ball is beaten in described
Open position is separated with the valve seat with the valve body.
2. constant-pressure type eduction valve according to claim 1, it is characterised in that the annular construction member is back taper.
3. constant-pressure type eduction valve according to claim 1, it is characterised in that the valve body, the annular construction member and described
Adpting flange is connected together by welding.
4. constant-pressure type eduction valve according to claim 1, it is characterised in that the valve body is also provided with footpath in the side wall
Two relative upwards outages.
5. constant-pressure type eduction valve according to claim 1, it is characterised in that the valve body is also provided with circumference in the side wall
Upper evenly spaced four outages.
6. constant-pressure type eduction valve according to claim 1, it is characterised in that the valve ball is made up of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620789926.8U CN206092995U (en) | 2016-07-25 | 2016-07-25 | Level pressure formula relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620789926.8U CN206092995U (en) | 2016-07-25 | 2016-07-25 | Level pressure formula relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206092995U true CN206092995U (en) | 2017-04-12 |
Family
ID=58466922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620789926.8U Expired - Fee Related CN206092995U (en) | 2016-07-25 | 2016-07-25 | Level pressure formula relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206092995U (en) |
-
2016
- 2016-07-25 CN CN201620789926.8U patent/CN206092995U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20200725 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |