CN210661478U - Ball valve capable of automatically compensating sealing - Google Patents
Ball valve capable of automatically compensating sealing Download PDFInfo
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- CN210661478U CN210661478U CN201921234863.XU CN201921234863U CN210661478U CN 210661478 U CN210661478 U CN 210661478U CN 201921234863 U CN201921234863 U CN 201921234863U CN 210661478 U CN210661478 U CN 210661478U
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- valve
- ball valve
- ball
- wave spring
- spheroid
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Abstract
The utility model discloses a but sealed ball valve of automatic compensation, including valve gap, valve body, spheroid and sealed pad, the spheroid sets up in the valve body, sealed pad is located between spheroid and the valve gap, be equipped with compensating unit between valve gap and the sealed pad, compensating unit is elastic component. The utility model discloses a but sealed ball valve of automatic compensation can improve sealing performance and life of ball valve when supplying with the abrasive material in the high-pressure abrasive material efflux descaling process.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to a but ball valve that automatic compensation is sealed.
Background
The existing ball valve structure basically adopts the valve cover to directly compress the sealing gasket, so that the sealing gasket is tightly attached to the ball body, the ball body is sealed when the ball valve is closed, and the ball valve is simple in structure and only suitable for low use frequency, pure water and other fluids without solid impurities.
In the abrasive feeding process of the high-pressure abrasive jet descaling and cleaning process, the pneumatic control ball valve with the common structure is adopted at present and used for opening and closing the control of the abrasive fed to the spray head. During the in-service use, because of the needs of production technology, the gas accuse ball valve is frequently opened and close, and the abrasive material that concentration of mass is high is cuted frequently, and the abrasive material that hardness is high constantly wears the surface that the interior sealing gasket of ball valve and spheroid contacted, produces the clearance between sealing gasket and the spheroid and constantly enlarges, and the leakproofness of ball valve descends and even produces the hourglass sand phenomenon of leaking water, blocks up the confession sand pipe and descaling shower nozzle, and then influences the sand blasting and descale clearance effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but the sealed ball valve of automatic compensation, it can improve sealing performance and the life of ball valve when supplying with the abrasive material in the high-pressure abrasive material efflux descaling process to solve above-mentioned problem.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a but sealed ball valve of automatic compensation, includes valve gap, valve body, spheroid and sealed the pad, the spheroid sets up in the valve body, sealed the pad is located between spheroid and the valve gap, be equipped with compensating unit between valve gap and the sealed pad, compensating unit is elastic component. The compensation component is arranged between the valve cover and the sealing gasket, and after the sealing gaskets at the two ends of the ball body are abraded, the compensation component can deform to compensate the abrasion loss between the sealing gasket and the ball body, so that the sealing effect of the ball valve is ensured. The utility model discloses a ball valve simple structure, it is sealed effectual, closely reliable, application scope is wide.
Further, the compensation member is a wave spring. After the sealing gasket is worn, the wave spring can deform to compensate the abrasion loss between the sealing gasket and the ball body.
Further, wave spring includes a plurality of wave spring coils, the wave spring coil has a plurality of crests and a plurality of trough, the wave spring coil is with axle center stack structure, and is located crest and trough on the adjacent two-layer wave spring coil and sets up in a crisscross way each other. The wave crests and the wave troughs on the adjacent wave-shaped spring rings are mutually abutted to generate elasticity, and after the sealing gasket is worn, the wave-shaped spring generates elastic deformation to compensate the abrasion loss between the sealing gasket and the ball body.
Further, the wave spring is of a sheet structure.
Furthermore, a circular groove is formed in the end face, opposite to the sealing gasket, of the valve cover, and the wave spring is arranged in the circular groove. The valve cover is provided with the groove, and the wave spring is easy to install. The wave spring is mounted in the groove to prevent the wave spring from moving in the radial direction.
Further, the valve body is fixedly connected with the valve cover through a fastening piece, and a spring washer is arranged between the fastening piece and the valve cover. When the sealing gasket is worn, the compensation deformation of the wave spring can cause the gap between the sealing gasket and the valve cover to be enlarged, and spring washers are added at two ends of the valve cover to compensate the change of the gap between the sealing gasket and the valve cover.
Furthermore, the ball body is provided with a groove and is connected with one end of a valve rod, the other end of the valve rod is connected with a driving device, and the valve rod can rotate the ball body to control the opening and closing of the ball valve.
Further, the valve rod is driven to rotate by a driving device, and the driving device is a pneumatic actuator, an electric motor, a hydraulic motor or a pneumatic motor.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses but the sealed ball valve of automatic compensation sets up compensating unit between valve gap and sealed pad, and the sealed pad wearing and tearing back at spheroid both ends can warp through compensating unit, and the sealed wearing and tearing volume between the pad and the spheroid of compensation ensures the sealed effect of ball valve. The utility model discloses a ball valve simple structure, it is sealed effectual, closely reliable, application scope is wide.
Drawings
Fig. 1 is a schematic front view of a ball valve with an automatically compensating seal.
Fig. 2 is a schematic top view of a self-compensating sealing ball valve.
Fig. 3 is a schematic cross-sectional view of the automatically compensating sealing ball valve in the direction a-a of fig. 2 when the valve is open.
Fig. 4 is a schematic cross-sectional view taken along a-a of fig. 2 when the self-compensating sealed ball valve is closed.
Fig. 5 is a partial enlarged view of fig. 3 at E.
Illustration of the drawings:
1. a valve cover; 2. a fastener; 3. a spring washer; 4. a wave spring; 5. a gasket; 6. a valve body; 7. a sphere; 8. a drive device; 9. an outer hexagon bolt; 10. a valve stem.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in fig. 1 to 5, the ball valve capable of automatically compensating and sealing in this embodiment includes a valve cover 1, a valve body 6, a ball 7, a sealing gasket 5, a valve rod 10 and a driving device 8, wherein the ball 7 is disposed in the valve body 6, the ball 7 is connected with the valve rod 10, the valve rod 10 is driven to rotate by the driving device 8, and the valve rod 10 controls the opening and closing of the ball valve by driving the ball 7 to rotate. The sealing gasket 5 is arranged between the ball body 7 and the valve cover 1, and a compensation part is arranged between the valve cover 1 and the sealing gasket 5 and is an elastic part. The compensating member is in contact with the packing 5 and presses the ball 7 from both ends of the ball 7 to compensate for the amount of abrasion between the packing 5 and the ball 7.
In this embodiment, the compensating member is a wave spring 4.
In this embodiment, wave spring 4 includes a plurality of wave spring coils, and the wave spring coil has a plurality of crests and a plurality of trough, and the wave spring coil is with axle center stack structure, and is located crest and trough on the adjacent two-layer wave spring coil and sets up in a crisscross way each other.
In this embodiment, the wave spring 4 has a plate-like structure.
In this embodiment, a circular groove is formed in the end surface of the valve cover 1 opposite to the sealing gasket 5, and the wave spring 4 is installed in the circular groove.
In this embodiment, the valve body 6 is fixedly connected with the valve cap 1 through the fastener 2, and the spring washer 3 is arranged between the fastener 2 and the valve cap 1. Specifically, fastener 2 is the bolt, is equipped with spring washer 3 between bolt head and the valve gap 1 and between nut and the valve gap 1, when wave spring 4 because of the clearance between the sealed pad of deformation compensation 5 and the spheroid 7 for the binding face compactness between sealed pad 5 and the valve gap 1 diminishes, and at this moment the binding face between the sealed pad 5 of compensation pressure tight of spring washer 3 compensation at 1 both ends of accessible valve gap and the valve gap 1 makes it keep the holistic sealed effect of in close contact with assurance ball valve.
In this embodiment, the ball 7 is slotted and connected to one end of a valve rod 10, the other end of the valve rod 10 is connected to the driving device 8, and the valve rod 10 can rotate the ball 7 to control the opening and closing of the ball valve.
In this embodiment, the driving device 8 is a pneumatic actuator. The valve body 6 is fixedly connected with the pneumatic actuator through an outer hexagon bolt 9.
The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention shall be considered as the protection scope of the present invention.
Claims (8)
1. The utility model provides a but sealed ball valve of automatic compensation, includes valve gap (1), valve body (6), spheroid (7) and sealed pad (5), spheroid (7) set up in valve body (6), sealed pad (5) are located between spheroid (7) and valve gap (1), its characterized in that: and a compensation part is arranged between the valve cover (1) and the sealing gasket (5), and the compensation part is an elastic part.
2. The automatically compensated sealable ball valve of claim 1, wherein: the compensation component is a wave spring (4).
3. The automatically compensated sealable ball valve of claim 2, wherein: wave spring (4) include a plurality of wave spring coils, the wave spring coil has a plurality of crests and a plurality of trough, the wave spring coil is with axle center stack structure, and is located crest and trough on the adjacent two-layer wave spring coil and sets up in a crisscross way each other.
4. The automatically compensated sealable ball valve of claim 3, wherein: the wave spring (4) is of a sheet structure.
5. The automatically compensated sealable ball valve of claim 2, wherein: the valve cover (1) and the end face opposite to the sealing gasket (5) are provided with circular grooves, and the wave springs (4) are arranged in the circular grooves.
6. An automatically compensating sealable ball valve as claimed in any one of claims 1 to 5, wherein: the valve body (6) is fixedly connected with the valve cover (1) through a fastening piece (2), and a spring washer (3) is arranged between the fastening piece (2) and the valve cover (1).
7. An automatically compensating sealable ball valve as claimed in any one of claims 1 to 5, wherein: the ball body (7) is provided with a groove and is connected with one end of a valve rod (10), the other end of the valve rod (10) is connected with a driving device (8), and the valve rod (10) can rotate the ball body (7) to control the opening and closing of the ball valve.
8. The automatically compensated sealable ball valve of claim 7, wherein: the driving device (8) is a pneumatic actuator, a motor, a hydraulic motor or a pneumatic motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921234863.XU CN210661478U (en) | 2019-08-01 | 2019-08-01 | Ball valve capable of automatically compensating sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921234863.XU CN210661478U (en) | 2019-08-01 | 2019-08-01 | Ball valve capable of automatically compensating sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210661478U true CN210661478U (en) | 2020-06-02 |
Family
ID=70816561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921234863.XU Active CN210661478U (en) | 2019-08-01 | 2019-08-01 | Ball valve capable of automatically compensating sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210661478U (en) |
-
2019
- 2019-08-01 CN CN201921234863.XU patent/CN210661478U/en active Active
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