CN208670180U - A kind of quiescent flow balanced valve - Google Patents
A kind of quiescent flow balanced valve Download PDFInfo
- Publication number
- CN208670180U CN208670180U CN201821262111.XU CN201821262111U CN208670180U CN 208670180 U CN208670180 U CN 208670180U CN 201821262111 U CN201821262111 U CN 201821262111U CN 208670180 U CN208670180 U CN 208670180U
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- valve
- hypovalve
- flap
- tubbiness
- epivalve
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Abstract
The utility model discloses a kind of quiescent flow balanced valves.A kind of quiescent flow balanced valve includes valve body, valve deck, gland, flap, valve rod and handwheel；Valve body is equipped with inlet end and an outlet end, both ends are mounted on pressure measurement mouth, and flap is split type flap, which is made of epivalve body and hypovalve body, epivalve body is cylindrical in shape, and should be disposed at least four pressure self-balancing hole on the bucket bottom in back-off tubbiness hypovalve body；Heating ventilation air-conditioning system circulation medium anti-block filtering device is additionally provided in being buckled on tubbiness hypovalve body.The utility model valve flap structure is simplified, quiescent flow balanced valve casting and cost of manufacture is reduced, improves the quiescent flow balanced valve processing efficiency；Quiescent flow balanced valve operation torque is reduced, the quiescent flow balanced valve is facilitated and operates with；It prevents impurity to cause balanced valve that can not operate for screw thread is stuck, extends the quiescent flow balanced valve service life.
Description
Technical field
The utility model belongs to a kind of pipeline valve to shut off for medium, especially belongs to a kind of quiescent flow balance
Valve.
Background technique
Quiescent flow balanced valve is mainly used in heating ventilation air-conditioning system.Quiescent flow balanced valve is by changing flap and valve
The gap (aperture) of seat, to change the flow resistance for flowing through valve to achieve the purpose that adjust flow, effective object is system
Resistance, quiescent flow balanced valve can by the water in pipeline according to calculating proportional balancing method distribute, meet the flow of system
Demand plays the role of thermally equilibrated.Existing quiescent flow balanced valve, is mostly flap unitary design, and O-ring seal is mounted in flap
In groove, this flap unitary design, structure is complicated, and casting process there is also shrinkage porosite, through hole, deformation waste product sometimes, interior
Intracavitary also to occur feather sometimes, reconditioning is difficult, and processing cost is high；The existing more no pressures of quiescent flow balanced valve simultaneously
Self-balancing designs, and flap radial pressure causes operation torque larger in use process, operating difficulties, and valve position is not sometimes smart
Really.The valve flap structure for how changing existing quiescent flow balanced valve, overcome in flap casting process occur sometimes shrinkage porosite, through hole,
Deform waste product, it is interior it is intracavitary also occur feather sometimes, the technical problem of reconditioning difficulty, reduction quiescent flow balanced valve is fabricated to
This, improves quiescent flow balanced valve processing efficiency；The pressure self-balancing for how realizing quiescent flow balanced valve, facilitates quiescent flow
Balanced valve operates with, and improving quiescent flow balanced valve valve position accuracy is the technical issues that need to address.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of quiescent flow balanced valves.Use the quiescent flow
Balanced valve can change the valve flap structure of quiescent flow balanced valve, reduce the quiescent flow balanced valve cost of manufacture, improve the static state
Flow balance valve processing efficiency；It is also able to achieve the pressure self-balancing of the quiescent flow balanced valve, facilitates the quiescent flow balanced valve
Operate with, improve the quiescent flow balanced valve valve position accuracy.
The technical solution that the utility model solves above-mentioned technical problem is: a kind of quiescent flow balanced valve includes valve body, valve
Lid, gland, flap, valve rod and handwheel；The valve body is equipped with inlet end and an outlet end, and both ends are mounted on pressure measurement mouth, import and export
Inclined valve seat is provided between end, the flap contacts on valve seat as the opening and closing component seal at valve body import and export end,
Be characterized in: the axis between the axial line of the valve seat and the valve body import and export end is tilted at 55-60 °, and the flap is fission
Formula flap, the split type flap are made of epivalve body and hypovalve body, and the epivalve body is cylindrical in shape, the tubular epivalve body lower end
Also with it is folded over outward be in 90 ° of ring part, it is in 90 ° of ring part that it is folded over outward, which to be cylindrical in shape epivalve body lower end, for this
It is additionally provided with annular groove on bottom surface, is additionally provided with annular groove on the excircle of annular groove, which is provided with O-shaped close
Seal；The hypovalve body has in back-off barrel portion and is mounted on the hollow axis part in back-off tubbiness bucket bottom top surface, under
Valve body is in be arranged on 90 ° of ring part bottom surfaces in being buckled to barrel portion it is folded over outward to be cylindrical in shape epivalve body lower end with this
Annular groove matches, and hypovalve body is threadably mounted at this in back-off barrel portion use to be cylindrical in shape epivalve body lower end folded over outward
In the hollow middle shaft part that on the annular groove being arranged on 90 ° of ring part bottom surfaces, hypovalve body is installed in back-off tubbiness bucket bottom top surface
Divide and extend into the tubular epivalve body cylinder, at least four pressure should be disposed on the bucket bottom in back-off tubbiness hypovalve body
Force self-balanced hole；The upper inner of the hollow axis is provided with internal screw thread, and the valve rod lower end is arranged using its outer surface
External screw thread is threadedly coupled with the internal screw thread that the hollow axis upper inner is arranged, should be in being buckled to tubbiness hypovalve body bucket bottom top surface
Flap screw is fixedly mounted in the hollow axis cavity of upper setting, the valve rod inner shaft has set up axis hole, peace in axis hole
The flap that adjustment section screw, epivalve body and hypovalve body are constituted is carried out transmission by the screw thread being arranged on the valve rod and is axially moved along valve rod
Dynamic, the valve rod upper end sequentially passes through the valve deck being mounted on valve body, its top of the gland being mounted on valve deck is sequentially connected with
Handwheel；
The handwheel setting statistics have shown that minimum scale 1/10 encloses；It is connected between the handwheel and valve rod using spline；
Described is in that heating ventilation air-conditioning system circulation medium anti-block filtering device is additionally provided on back-off tubbiness hypovalve body, described warm
Logical air-conditioning system circulation medium anti-block filtering device includes circular ring plate, the filter screen disk matched with the circular ring plate, the annulus
External screw thread is provided on piece alien invasion, the filter screen disk is mounted on the bottom surface of circular ring plate using rivet, in back-off bucket
The internal screw thread matched with the external screw thread being arranged on the circular ring plate alien invasion, alien invasion are provided on shape hypovalve body annular inner surface
On be provided with externally threaded circular ring plate be threadably mounted in back-off tubbiness hypovalve body annular inner surface on.
The beneficial effects of the utility model are: due to the utility model valve seat axial line and the valve body import and export end it
Between axis tilted at 55-60 °, flap is split type flap, which is made of epivalve body and hypovalve body, changes
The valve flap structure of the utility model quiescent flow balanced valve, epivalve body are cylindrical in shape, and hypovalve body has in back-off barrel portion and peace
Mounted in the hollow axis part in back-off tubbiness bucket bottom top surface, it is cylindrical in shape epivalve body and hypovalve body has in back-off barrel portion
It is tightly connected using screw thread and O-ring seal, hypovalve body is extend into the hollow axis part of back-off tubbiness bucket bottom top surface installation
In the tubular epivalve body cylinder, valve flap structure is simplified, is overcome in existing quiescent flow balanced valve flap casting process
Sometimes there is shrinkage porosite, through hole, deformation waste product, it is interior it is intracavitary also occur feather sometimes, the technical problem of reconditioning difficulty reduces this
The casting of quiescent flow balanced valve and cost of manufacture, improve the quiescent flow balanced valve processing efficiency.
It is disposed at least four pressure at the bucket bottom in back-off barrel portion having due to the utility model hypovalve body again on
Force self-balanced hole；The pressure for balancing flap two sides cavity, the pressure for realizing the utility model quiescent flow balanced valve are certainly flat
Weighing apparatus, overcoming flap radial pressure in existing quiescent flow balanced valve use process causes operation torque larger, and operating difficulties is opened
Degree technical problem inaccurate when showing reduces the utility model quiescent flow balanced valve operation torque, facilitates this reality
It is operated with Novel static flow balance valve.
Flap is fixedly mounted due to extending into the hollow axis cavity for being cylindrical in shape the intracorporal hypovalve body of epivalve body cylinder again
Screw, valve rod inner shaft have set up axis hole, installation and adjustment screw in axis hole；Pass through the adjusting installed in axis hole in regulating valve stem
The position of screw controls to adjust screw lower end at a distance from flap screw upper end, limits the axial movement distance of flap, locks quiet
The maximum opening of state flow balance valve.
Again since the utility model is provided with heating ventilation air-conditioning system circulation medium anti-block filtering device, when HVAC system circulates
Impurity in medium is to the filter screen circle in the circular ring plate and circular ring plate installation installed on back-off tubbiness hypovalve body annular inner surface
When piece blocks, by replacing the circular ring plate of HVAC system circulation medium anti-block filtering device and the filter screen of circular ring plate installation
Disk effectively prevents impurity in pipeline and is entered in epivalve body cylinder by pressure self-balancing hole, is connected to valve rod with flap
Screw thread play a protective role, it is therefore prevented that impurity causes balanced valve that can not operate for screw thread is stuck, and extending the utility model makes
Use the service life.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples；
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram that the utility model epivalve body is connected with hypovalve body；
Fig. 3 is the top view of the utility model heating ventilation air-conditioning system circulation medium anti-block filtering device；
In attached drawing: 1. valve bodies, 2. valve decks, 3. glands, 4. valve rods, 5. handwheels, 6. pressure measurement mouths, 7. epivalve bodies, 8. hypovalve bodies,
9.O type sealing ring, 10. hollow axis, 11. pressure self-balancing holes, 12. flap screws, 13. adjust screw, 14. circular ring plates, 15.
Filter screen disk.
Specific embodiment
The utility model is described in further detail below by specific embodiment.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of quiescent flow balanced valve includes valve body 1, valve deck 2, gland 3, flap, valve rod 4 and hand
Wheel 5；The valve body 1 is equipped with inlet end and an outlet end, and both ends are mounted on pressure measurement mouth 6, are provided between import and export end inclined
Valve seat, the flap contact on valve seat as the opening and closing component seal at 1 import and export end of valve body, it is characterized in that: the valve seat
Axis between axial line and the 1 import and export end of valve body is tilted at 55 °, and the flap is split type flap, the split type flap
It is made of epivalve body 7 and hypovalve body 8, the epivalve body 7 is cylindrical in shape, which also has folded over outward
In 90 ° of ring part, this be cylindrical in shape epivalve body lower end it is folded over outward be in 90 ° ring part bottom surface on be additionally provided with
Annular groove is additionally provided with annular groove on the excircle of annular groove, which is provided with O-ring seal 9；The hypovalve body
8 with being in back-off barrel portion and being mounted in 10 part of hollow axis for being buckled to tubbiness bucket bottom top surface, and hypovalve body 8 is in back-off
It is in that the annular groove being arranged on 90 ° of ring part bottom surfaces matches that it is folded over outward, which to be cylindrical in shape epivalve body lower end, with this for barrel portion
It closes, hypovalve body is in 90 ° of annulus in being buckled to barrel portion use and being threadably mounted at this it is folded over outward to be cylindrical in shape epivalve body lower end
On the annular groove being arranged on the bottom surface of part, hypovalve body 8 is partially protruded into the hollow axis 10 of back-off tubbiness bucket bottom top surface installation
Into the tubular epivalve body cylinder, 4 pressure self-balancing holes should be disposed on the bucket bottom in back-off tubbiness hypovalve body
11；The upper inner of the hollow axis 10 is provided with internal screw thread, the outer spiral shell that 4 lower end of valve rod uses its outer surface to be arranged
Line is threadedly coupled with the internal screw thread that hollow 10 upper inner of axis is arranged, and should be set in being buckled on the top surface of tubbiness hypovalve body bucket bottom
Flap screw 12 is fixedly mounted in 10 cavity of hollow axis set, 4 inner shaft of valve rod has set up axis hole, peace in axis hole
The flap that adjustment section screw 13, epivalve body 7 and hypovalve body 8 are constituted be driven and along valve rod 4 by the screw thread being arranged on the valve rod 4
Axial movement, 4 upper end of valve rod sequentially passes through the valve deck 2 being mounted on valve body 1, its top of the gland being mounted on valve deck 23
It is sequentially connected with handwheel 5；
The setting of handwheel 5 statistics have shown that minimum scale 1/10 encloses；Connected between the handwheel 5 and valve rod 4 using spline
It connects.
Embodiment 2
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of quiescent flow balanced valve includes valve body 1, valve deck 2, gland 3, flap, valve rod 4
With handwheel 5；The valve body 1 is equipped with inlet end and an outlet end, and both ends are mounted on pressure measurement mouth 6, are provided with and incline between import and export end
Oblique valve seat, the flap contacts on valve seat as the opening and closing component seal at 1 import and export end of valve body, it is characterized in that: the valve
Axis between the axial line and the 1 import and export end of valve body of seat is tilted at 60 °, and the flap is split type flap, this is split type
Flap is made of epivalve body 7 and hypovalve body 8, and the epivalve body 7 is cylindrical in shape, which also has outward
Folded over is in 90 ° of ring part, this be cylindrical in shape epivalve body lower end it is folded over outward be in 90 ° ring part bottom surface on also set
It is equipped with annular groove, is additionally provided with annular groove on the excircle of annular groove, which is provided with O-ring seal 9；Under described
Valve body 8 has in back-off barrel portion and is mounted on 10 part of hollow axis in back-off tubbiness bucket bottom top surface, and hypovalve body 8 is in
It is in the annular groove phase being arranged on 90 ° of ring part bottom surfaces that it is folded over outward, which to be cylindrical in shape epivalve body lower end, with this for back-off barrel portion
Cooperation, hypovalve body is in 90 ° of circles in being buckled to barrel portion use and being threadably mounted at this it is folded over outward to be cylindrical in shape epivalve body lower end
On the annular groove being arranged on loop section bottom surface, hypovalve body 8 is stretched in 10 part of hollow axis of back-off tubbiness bucket bottom top surface installation
Enter into the tubular epivalve body cylinder, 4 pressure self-balancings should be disposed on the bucket bottom in back-off tubbiness hypovalve body
Hole 11；The upper inner of the hollow axis 10 is provided with internal screw thread, and 4 lower end of valve rod is arranged outer using its outer surface
Screw thread is threadedly coupled with the internal screw thread that hollow 10 upper inner of axis is arranged, should be on back-off tubbiness hypovalve body bucket bottom top surface
It is fixedly mounted flap screw 12 in 10 cavity of hollow axis being arranged, 4 inner shaft of valve rod has set up axis hole, in axis hole
The flap that installation and adjustment screw 13, epivalve body 7 and hypovalve body 8 are constituted be driven and along valve by the screw thread being arranged on the valve rod 4
Bar 4 move axially, 4 upper end of valve rod sequentially pass through the valve deck 2 being mounted on valve body 1, the gland being mounted on valve deck 23 its
Top is sequentially connected with handwheel 5；
The setting of handwheel 5 statistics have shown that minimum scale 1/10 encloses；Connected between the handwheel 5 and valve rod 4 using spline
It connects；
Described is in that heating ventilation air-conditioning system circulation medium anti-block filtering device is additionally provided on back-off tubbiness hypovalve body, described warm
Logical air-conditioning system circulation medium anti-block filtering device includes circular ring plate 14, the filter screen disk 15 matched with the circular ring plate 14,
It is provided with external screw thread on 14 alien invasion of circular ring plate, the filter screen disk 15 is mounted on the bottom surface of circular ring plate 14 using rivet
On, it matches in being provided on back-off tubbiness hypovalve body annular inner surface with the external screw thread being arranged on 14 alien invasion of the circular ring plate
Internal screw thread is provided with externally threaded circular ring plate on alien invasion and is threadably mounted on back-off tubbiness hypovalve body annular inner surface.
Through the above description, those skilled in the art completely can be in the model without departing from this invention technical idea
In enclosing, carries out various changes and amendments and be within the protection scope of the utility model.The unaccomplished matter of the utility model,
Belong to the common knowledge of those skilled in the art.
Claims (3)
1. a kind of quiescent flow balanced valve, including valve body, valve deck, gland, flap, valve rod and handwheel；The valve body is equipped with import
End and outlet end, both ends are mounted on pressure measurement mouth, inclined valve seat are provided between import and export end, the flap is as valve body
The opening and closing component seal at import and export end contacts on valve seat, it is characterized in that: the axial line of the valve seat and the valve body import and export
Axis between end is tilted at 55-60 °, and the flap is split type flap, and the split type flap is by epivalve body and hypovalve body structure
At the epivalve body is cylindrical in shape, and it is in 90 ° of ring part which, which also has folded over outward, this is in
Tubular epivalve body lower end is folded over outward be in 90 ° ring part bottom surface on be additionally provided with annular groove, the outer circle of annular groove
Annular groove is additionally provided on week, which is provided with O-ring seal；The hypovalve body have in back-off barrel portion and
It is mounted on the hollow axis part in back-off tubbiness bucket bottom top surface, hypovalve body is cylindrical in shape epivalve body with this in back-off barrel portion
Lower end folded over outward is in that the annular groove being arranged on 90 ° of ring part bottom surfaces matches, and hypovalve body is in back-off barrel portion
It the use of be threadably mounted at this it is folded over outward to be cylindrical in shape epivalve body lower end is in the annular groove being arranged on 90 ° of ring part bottom surfaces
On, hypovalve body is extend into the tubular epivalve body cylinder in the hollow axis part of back-off tubbiness bucket bottom top surface installation, should
At least four pressure self-balancing hole is disposed on bucket bottom in back-off tubbiness hypovalve body；On the inner surface of the hollow axis
End is provided with internal screw thread, and the external screw thread and the hollow axis upper inner that the valve rod lower end is arranged using its outer surface are arranged
Internal screw thread be threadedly coupled, should be in valve be fixedly mounted in the hollow axis cavity that is arranged on back-off tubbiness hypovalve body bucket bottom top surface
Valve screw, the valve rod inner shaft have set up axis hole, installation and adjustment screw in axis hole, the flap that epivalve body and hypovalve body are constituted
Transmission is carried out by the screw thread being arranged on the valve rod and is moved axially along valve rod, the valve rod upper end, which sequentially passes through, to be mounted on valve body
Valve deck, its top of gland for being mounted on valve deck be sequentially connected with handwheel.
2. a kind of quiescent flow balanced valve according to claim 1, it is characterized in that: handwheel setting statistics have shown, most
Down scale 1/10 encloses；It is connected between the handwheel and valve rod using spline.
3. a kind of quiescent flow balanced valve according to claim 1, it is characterized in that: described is in also to set on back-off tubbiness hypovalve body
It is equipped with heating ventilation air-conditioning system circulation medium anti-block filtering device, the heating ventilation air-conditioning system circulation medium anti-block filtering device includes
Circular ring plate, the filter screen disk matched with the circular ring plate are provided with external screw thread, the filter screen circle on the circular ring plate alien invasion
Piece is mounted on the bottom surface of circular ring plate using rivet, is provided with and the circular ring plate in being buckled on tubbiness hypovalve body annular inner surface
The internal screw thread that the external screw thread being arranged on alien invasion matches is provided with externally threaded circular ring plate on alien invasion and is threadably mounted in falling
It detains on tubbiness hypovalve body annular inner surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821262111.XU CN208670180U (en) | 2018-08-06 | 2018-08-06 | A kind of quiescent flow balanced valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821262111.XU CN208670180U (en) | 2018-08-06 | 2018-08-06 | A kind of quiescent flow balanced valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208670180U true CN208670180U (en) | 2019-03-29 |
Family
ID=65832636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821262111.XU Active CN208670180U (en) | 2018-08-06 | 2018-08-06 | A kind of quiescent flow balanced valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208670180U (en) |
-
2018
- 2018-08-06 CN CN201821262111.XU patent/CN208670180U/en active Active
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