CN110107708B - Top-mounted double-valve seat conical ball valve - Google Patents
Top-mounted double-valve seat conical ball valve Download PDFInfo
- Publication number
- CN110107708B CN110107708B CN201910447993.XA CN201910447993A CN110107708B CN 110107708 B CN110107708 B CN 110107708B CN 201910447993 A CN201910447993 A CN 201910447993A CN 110107708 B CN110107708 B CN 110107708B
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- valve rod
- rod
- end part
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 239000012530 fluid Substances 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
- F16K31/043—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/05—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K39/00—Devices for relieving the pressure on the sealing faces
- F16K39/06—Devices for relieving the pressure on the sealing faces for taps or cocks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/0207—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor with special plug arrangement, e.g. special shape or built in means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/0242—Spindles and actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/16—Special arrangements for separating the sealing faces or for pressing them together for plugs with conical surfaces
- F16K5/162—Special arrangements for separating the sealing faces or for pressing them together for plugs with conical surfaces with the plugs or parts of the plugs mechanically pressing the seal against the housing
- F16K5/163—Special arrangements for separating the sealing faces or for pressing them together for plugs with conical surfaces with the plugs or parts of the plugs mechanically pressing the seal against the housing adjustable in height
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention provides an upper-mounted double-valve seat conical ball valve which has simple structure, low production cost and long service life and is free from scratch, clamping and scratch when being opened or closed, a shell is fixedly arranged on a valve body, a valve rod is rotatably arranged in the shell in a penetrating manner, a sleeve shaft is rotatably arranged on the shell, a limiting device for preventing the sleeve shaft from sliding up and down is arranged between the sleeve shaft and the shell, an external thread is arranged on the side surface of the valve rod, a threaded hole matched with a screw rod is arranged on the sleeve shaft for the valve rod to penetrate through, a movable column is arranged in the shell in a sliding manner along the left and right direction, the movable column can be linked with the sleeve shaft, a rotor is fixedly arranged on the valve rod, a V-shaped groove is formed at the free end of the rotor, the movable column is arranged in the V-shaped groove, and a driving device for driving the movable column to slide is arranged on the shell.
Description
Technical Field
The invention relates to the technical field of valves, in particular to an upper-mounted double-valve-seat conical ball valve.
Background
The shut-off valve is also called a shut-off valve, and belongs to a forced sealing type valve, so that when the valve is closed, pressure must be applied to the valve clack so as to force the sealing surface not to leak. When a medium enters the valve from the lower part of the valve clack, the resistance which needs to be overcome by the operation force is the friction force of the valve rod and the filler and the thrust generated by the pressure of the medium, and the force for closing the valve is larger than the force for opening the valve, so that the diameter of the valve rod is larger, otherwise, the valve rod is in a bending fault. The double-valve seat stop valve refers to a stop valve with an inner valve seat and an outer valve seat. The small valve seat is used for reducing pressure during starting, the small valve seat is opened firstly during starting, and after the valve pressure is increased to a certain level, the large valve seat can be opened easily. Typically for valves with higher pressures and larger nominal diameters.
Disclosure of Invention
Therefore, the invention provides the upper-mounted double-valve-seat conical ball valve which has the advantages of simple structure, low production cost and long service life and is free from scratch, clamping and scratch during opening or closing.
In order to achieve the technical problems, the technical scheme includes that the upper-mounted double-valve-seat conical ball valve comprises a valve body, a water inlet channel and a water outlet channel are formed in the valve body, a valve seat is formed between the water inlet channel and the water outlet channel, a conical valve plate for controlling fluid is arranged on the valve seat in a lifting mode and in a rotatable mode, a fluid channel is formed in the conical valve plate, a valve rod is fixedly arranged at the upper end portion of the spherical valve plate, a through hole is formed in the valve body for the upper end portion of the valve rod to penetrate out, a shell is fixedly arranged on the valve body, the valve rod is rotatably arranged in the shell in a penetrating mode, a sleeve shaft is rotatably arranged on the shell, a limiting device for preventing the sleeve shaft from sliding up and down is arranged between the sleeve shaft and the shell, external threads are formed in the side face of the valve rod, a threaded hole matched with the screw rod is formed in the sleeve shaft for the valve rod to penetrate through, a moving column can be arranged in the shell in a sliding mode along the left and right direction, the moving column can be linked with the sleeve shaft, a rotor is fixedly arranged on the valve rod, a free end of the rotor is arranged in the valve rod, a V-shaped groove is formed in the shell, and a driving column is arranged in the driving column.
The further improvement is that: the lower end part of the movable column is fixedly provided with a sliding block, a plurality of guide rods are arranged on the shell in an extending mode along the left-right direction, and a plurality of guide holes are formed in the sliding block and used for the guide rods to penetrate through.
The further improvement is that: the sleeve shaft is fixedly provided with a handle, the free end of the handle is hinged with a connecting rod, and the free end of the connecting rod is hinged with the movable column.
The further improvement is that: the valve rod comprises an upper valve rod and a lower valve rod, the lower end part of the lower valve rod is fixedly connected with the upper end part of the conical valve rod, the upper end part of the lower valve rod penetrates out of the valve body, the upper valve rod is rotatably penetrated in the shell, the lower end part of the upper valve rod penetrates out of the shell, the lower end part of the upper valve rod is connected with the upper end part of the lower valve rod through a shaft coupling, a connecting sleeve is arranged between the shell and the valve body, and the upper end part and the lower end part of the connecting sleeve are respectively fixedly connected with the shell and the valve body.
The further improvement is that: the diameter of the conical valve plate gradually decreases from top to bottom.
The further improvement is that: and a fluid gap capable of communicating the water inlet channel with the water outlet channel is formed between the conical valve plate and the valve body.
The further improvement is that: the lower end part of the conical valve plate is fixedly provided with a rotating shaft, the lower end part of the valve body is provided with an opening, and the lower end part of the rotating shaft can rotate and can slide in the opening.
The further improvement is that: the left and right outer sides of the free end of the rotor are provided with adjusting screws, the rotor is provided with threaded holes for the adjusting screws to penetrate, and the free end of the adjusting screws can be propped against the shell.
The further improvement is that: the upper end face of the shell is fixedly provided with an indicating needle for displaying the state of the conical valve plate, and the indicating needle is linked with the valve rod.
The further improvement is that: the shell is rotatably provided with a screw rod, the sliding block is provided with a threaded hole for the screw rod to pass through, the driving device is a motor, the shell of the motor is fixedly arranged on the shell, and a driving shaft of the motor is fixedly connected with the screw rod.
By adopting the technical scheme, the invention has the beneficial effects that: 1. when the valve is opened or closed, no scratch, clamping and friction are generated, the service life is prolonged, and the tightness is improved; 2. the device can be accurately controlled, and can be applied to flow regulation and pressure regulation; 3. the operation is simple and convenient, and the valve can be easily opened in a long-time closing state; 4. the self-flushing pipeline is designed, so that the application range is wide; 5. avoid cavitation and further prolong the service life.
Drawings
FIG. 1 is a schematic diagram of an embodiment of an upper-mounted double-seat cone ball valve.
Fig. 2 is an enlarged view of a top-loading double-seat cone ball valve of fig. 1 according to an embodiment of the present invention.
Fig. 3 is a schematic top view of a rotor according to an embodiment of the present invention.
Fig. 4 is a top view of a housing according to an embodiment of the invention.
Fig. 5 is a schematic structural view of a moving column according to two embodiments of the present invention.
Detailed Description
The invention will now be further described with reference to the drawings and specific examples.
Embodiment one:
The embodiment of the invention discloses an upper-mounted double-valve-seat conical ball valve with reference to figures 1 to 4, which comprises a valve body, wherein the valve body comprises a main valve body 13, a valve cover 14 is fixedly arranged at the upper end part of the main valve body 13 through bolts, a water inlet channel 11 and a water outlet channel 12 are arranged on the main valve body 13, a valve seat is arranged between the water inlet channel 11 and the water outlet channel 12 of the main valve body 13, a conical valve plate 2 for controlling fluid is arranged on the valve seat in a lifting and rotatable manner, the diameter of the conical valve plate 2 is gradually reduced from top to bottom, a fluid channel 21 is arranged on the conical valve plate 2, a lower valve rod 22 is fixedly arranged at the upper end part of the spherical valve plate, a through hole is arranged on the valve cover 14 for the upper end part of the lower valve rod 22 to penetrate, a connecting sleeve 23 is fixedly arranged at the upper end surface of the valve cover 14, the connecting sleeve 23 is connected with the valve cover 14 through bolts, the upper end of the connecting sleeve 23 is fixedly provided with a shell 3 through a bolt, an upper valve rod 31 is rotatably arranged in the shell 3 in a penetrating way, the lower end of the upper valve rod 31 penetrates out of the shell 3, the lower end of the upper valve rod 31 is connected with the upper end of the lower valve rod 22 through a coupling 221, the coupling 221 is arranged in the connecting sleeve 23, a sleeve shaft 322 is rotatably arranged on the shell 3, a handle 321 is fixedly arranged on the sleeve shaft 322, the free end of the handle 321 is hinged with a connecting rod 32, the sleeve shaft 322 is fixedly provided with two limiting rings 323, the two limiting rings 323 are respectively arranged above and below the shell 3, the two limiting rings 323 are attached to the shell 3 to prevent the sleeve shaft 322 from sliding up and down, the side surface of the upper valve rod 31 is provided with external threads, the sleeve shaft 322 is provided with a threaded hole matched with the screw rod 35 to enable the upper valve rod 31 to penetrate through, a sliding block 33 is slidably arranged in the shell 3 along the left and right direction, two guide rods 34 are arranged on the shell 3 in parallel along the left and right direction, two guide holes are arranged on the sliding block 33 for the guide rods 34 to pass through, a screw rod 35 is rotatably arranged on the shell 3, a threaded hole is formed in the sliding block 33 for the screw rod 35 to pass through, a motor (not shown in the figure) is fixedly arranged on the shell 3, the shell of the motor is fixedly arranged in the shell 3, a driving shaft of the motor is fixedly connected with the screw rod 35, a moving column 331 is fixedly arranged on the upper end surface of the sliding block 33, a rotor 37 is fixedly arranged on the valve rod, a V-shaped groove 372 is formed at the free end of the rotor 37, the moving column 331 is arranged in the V-shaped groove 372, the moving column 331 can be contacted with the two inner surfaces of the V-shaped groove 372, and when the sliding block 33 slides, the moving column 331 drives the upper valve rod 31 to rotate by pushing the rotor 37, the upper valve rod 31 is driven to rotate, and the lower valve rod 22 is further controlled to rotate; the lower end surface of the sliding block 33 is fixedly provided with a pin shaft 332, and the pin shaft 332 is rotatably arranged at the free end penetrating through the connecting rod 32.
In order to enhance the sealing performance of the valve, dirt is prevented from staying between the conical valve plate 2 and the main valve body 13 when the valve is closed, so that the conical valve plate 2 and the main valve body 13 are not tightly sealed, and in order to increase the water passing efficiency when the conical valve plate 2 is lifted, a fluid gap 131 capable of communicating the water inlet channel 11 with the water outlet channel 12 is arranged between the conical valve plate 2 and the main valve body 13.
In order to improve the stability of the conical valve plate 2 when it is active: the lower end part of the conical valve plate 2 is fixedly provided with a rotating shaft 24, the lower end part of the valve body is provided with an opening, and the lower end part of the rotating shaft 24 can rotate and can be slidably arranged in the opening.
In order to improve the accuracy of the cut-off fluid of the upper double-valve seat conical ball valve, adjusting screws 371 are arranged on the left and right outer sides of the free end of the rotor 37, threaded holes are formed in the rotor 37 for the adjusting screws 371 to penetrate, the free end of each adjusting screw 371 can be abutted to the shell 3, and the maximum angle of the left and right rotation of the conical valve plate 2 can be accurately adjusted by adjusting the extending length of each adjusting screw 371, namely, the optimal angle when the conical valve plate 2 is closed for the upper double-valve seat conical ball valve is adjusted.
In order to facilitate the operator to know the working state of the upper-mounted double-valve-seat conical ball valve, an indicating needle 36 for displaying the state of the conical valve plate 2 is fixedly arranged on the upper end surface of the shell 3, the indicating needle 36 is linked with the upper valve rod 31, and the indicating needle 36 can conveniently know the on-off state of the upper-mounted double-valve-seat conical ball valve.
The upper-mounted double-valve-seat conical ball valve disclosed by the invention is in a valve opening state as shown in fig. 3, when a motor rotates positively to drive a sliding block 33 to slide leftwards, a moving column 331 pushes the left end face of a V-shaped groove 372 to drive an upper valve rod 31 to rotate, meanwhile, the upper valve rod 31 acts on a connecting rod 32 and a handle 321, a sleeve shaft 322 rotates positively to drive a conical valve plate 2 to move downwards, when a left adjusting screw 371 abuts against a shell 3, the lower end part of the conical valve plate 2 seals a fluid gap 131, the conical valve plate 2 seals the valve seat, fluid is stopped, and the valve is closed. Under the closed state of the upper double-valve-seat conical ball valve, the motor reverse sliding block 33 is started to slide rightwards, the motor reverse sliding block acts on the connecting rod 32 and the handle 321, the sleeve shaft 322 reversely rotates to drive the conical valve plate 2 to slide upwards, the conical valve plate 2 is separated from the valve seat to avoid scratch, at the moment, the lower end part of the conical valve plate 2 is separated from the valve seat, the fluid gap 131 is communicated with the water inlet channel 11 and the water outlet channel 12, the water pressure difference on two sides is reduced, the sliding column is not contacted with the right inner end face of the V-shaped groove 372 at the initial stage of sliding block 33 rightwards, at the moment, the fluid channel 21 is not communicated with the water inlet channel 11 and the water outlet channel 12, the fluid passes through the fluid gap 131, after the pressure difference on two sides of the water outlet channel 12 of the water inlet channel 11 is reduced, the conical valve plate 2 is pushed to rotate by the sliding column, and the fluid channel 21 is communicated with the water inlet channel 11 and the water outlet channel 12, and the upper double-valve-seat conical ball valve is started.
When the upper-mounted double-valve-seat conical ball valve is opened, the conical valve plate 2 is firstly lifted to be separated from contact with the valve seat, so that the upper-mounted double-valve-seat conical ball valve is lighter to rotate, scratch, clamping and friction are avoided, and the durability and the tightness are improved.
Based on the foregoing scheme, in actual operation, the driving device may also be an air cylinder, the cylinder body of the air cylinder is fixedly connected with the housing 3, the driving rod of the air cylinder is fixedly connected with the sliding column, and the number of the guide rods 34 may also be three or two.
Example two
Based on the foregoing scheme, referring to fig. 5, a gear row 1' is fixedly disposed on the sliding block, the gear row 1' extends in the left-right direction, a gear 2' is fixedly sleeved on the sleeve shaft 322, and the gear 2' is meshed with the gear row 1 '.
Modifications and variations made by the subject matter are intended to be within the scope of the claims and are not limited to the embodiments disclosed.
Claims (7)
1. The utility model provides an upper-mounted double-valve-seat conical ball valve, includes the valve body, inlet channel and play water channel have been seted up on the valve body, the valve body is located inlet channel and play water channel between seted up the disk seat, liftable and rotatable the being provided with on the disk seat are used for controlling fluidic conical valve plate, the fluid channel has been seted up to conical valve plate upper end fixedly is provided with the valve rod, set up the through-hole on the valve body and supplied the valve rod upper end wears out, its characterized in that: the valve body is fixedly provided with a shell, the valve rod rotatably penetrates through the shell, a sleeve shaft is rotatably arranged on the shell, a limiting device for preventing the sleeve shaft from sliding up and down is arranged between the sleeve shaft and the shell, an external thread is arranged on the side face of the valve rod, a threaded hole matched with a screw rod is arranged on the sleeve shaft for the valve rod to penetrate through, a moving column is arranged in the shell in a sliding manner along the left and right direction, the moving column can be linked with the sleeve shaft, a rotor is fixedly arranged on the valve rod, a V-shaped groove is formed in the free end of the rotor, the moving column is arranged in the V-shaped groove, and a driving device for driving the moving column to slide is arranged on the shell;
the lower end part of the movable column is fixedly provided with a sliding block, the shell is provided with a plurality of guide rods in a left-right extending mode, and the sliding block is provided with a plurality of guide holes for the guide rods to pass through;
The left and right outer sides of the free end of the rotor are provided with adjusting screws, the rotor is provided with threaded holes for the adjusting screws to penetrate, and the free end of the adjusting screws can be propped against the shell;
The shell is rotatably provided with a screw rod, the sliding block is provided with a threaded hole for the screw rod to pass through, the driving device is a motor, the shell of the motor is fixedly arranged on the shell, and a driving shaft of the motor is fixedly connected with the screw rod.
2. The top-loading double-seat cone ball valve as claimed in claim 1 wherein: the sleeve shaft is fixedly provided with a handle, the free end of the handle is hinged with a connecting rod, and the free end of the connecting rod is hinged with the movable column.
3. The top-loading double-seat cone ball valve as claimed in claim 1 wherein: the valve rod comprises an upper valve rod and a lower valve rod, the lower end part of the lower valve rod is fixedly connected with the upper end part of the conical valve rod, the upper end part of the lower valve rod penetrates out of the valve body, the upper valve rod is rotatably penetrated in the shell, the lower end part of the upper valve rod penetrates out of the shell, the lower end part of the upper valve rod is connected with the upper end part of the lower valve rod through a shaft coupling, a connecting sleeve is arranged between the shell and the valve body, and the upper end part and the lower end part of the connecting sleeve are respectively fixedly connected with the shell and the valve body.
4. The top-loading double-seat cone ball valve as claimed in claim 1 wherein: the diameter of the conical valve plate gradually decreases from top to bottom.
5. The top-loading double-seat cone ball valve as claimed in claim 4, wherein: a fluid gap which can be communicated with the water inlet channel and the water outlet channel is arranged between the conical valve plate and the valve body.
6. The top-loading double-seat cone ball valve as claimed in claim 1 wherein: the lower end part of the conical valve plate is fixedly provided with a rotating shaft, the lower end part of the valve body is provided with an opening, and the lower end part of the rotating shaft can rotate and can slide in the opening.
7. The top-loading double-seat cone ball valve as claimed in claim 1 wherein: the upper end face of the shell is fixedly provided with an indicating needle for displaying the state of the conical valve plate, and the indicating needle is linked with the valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910447993.XA CN110107708B (en) | 2019-05-27 | 2019-05-27 | Top-mounted double-valve seat conical ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910447993.XA CN110107708B (en) | 2019-05-27 | 2019-05-27 | Top-mounted double-valve seat conical ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110107708A CN110107708A (en) | 2019-08-09 |
| CN110107708B true CN110107708B (en) | 2024-05-28 |
Family
ID=67492456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910447993.XA Active CN110107708B (en) | 2019-05-27 | 2019-05-27 | Top-mounted double-valve seat conical ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110107708B (en) |
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|---|---|---|---|---|
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| JP2002031247A (en) * | 2000-07-14 | 2002-01-31 | Kurimoto Ltd | Opening/closing device for rotary valve with auxiliary valve |
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| CN204420164U (en) * | 2015-01-04 | 2015-06-24 | 苏州道森阀门有限公司 | The wear-resisting high pressure cock valve of the low moment of torsion of rotation and lifting bar |
| CN105003676A (en) * | 2015-07-31 | 2015-10-28 | 江苏神通阀门股份有限公司 | Low-torque pressure balance type cock valve |
| CN105387265A (en) * | 2015-12-07 | 2016-03-09 | 中国船舶重工集团公司第七一九研究所 | Planetary gear transmission mechanism capable of achieving mutual noninterference driving |
| CN106032844A (en) * | 2015-03-12 | 2016-10-19 | 浙江盾安人工环境股份有限公司 | A plug valve |
| CN206268458U (en) * | 2016-10-29 | 2017-06-20 | 山东奥科自控设备有限公司 | A kind of electric check valve |
| CN108547968A (en) * | 2018-07-03 | 2018-09-18 | 浙江融乐环境科技有限公司 | A kind of full packet three-flat ball valve of automation |
| CN210034492U (en) * | 2019-05-27 | 2020-02-07 | 欧冠阀门科技有限公司 | Top-mounted double-valve-seat conical ball valve |
-
2019
- 2019-05-27 CN CN201910447993.XA patent/CN110107708B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB778860A (en) * | 1954-11-03 | 1957-07-10 | Glenfield & Kennedy Ltd | Improvements in or relating to plug valves, cocks and the like |
| US4526341A (en) * | 1983-06-15 | 1985-07-02 | Kerotest Manufacturing Corp. | Pneumatic shut-off valve |
| JP2002031247A (en) * | 2000-07-14 | 2002-01-31 | Kurimoto Ltd | Opening/closing device for rotary valve with auxiliary valve |
| CN103603992A (en) * | 2013-12-04 | 2014-02-26 | 天津富赛克流体控制设备有限公司 | Lead screw nut type driving mechanism of valve |
| CN204420164U (en) * | 2015-01-04 | 2015-06-24 | 苏州道森阀门有限公司 | The wear-resisting high pressure cock valve of the low moment of torsion of rotation and lifting bar |
| CN106032844A (en) * | 2015-03-12 | 2016-10-19 | 浙江盾安人工环境股份有限公司 | A plug valve |
| CN105003676A (en) * | 2015-07-31 | 2015-10-28 | 江苏神通阀门股份有限公司 | Low-torque pressure balance type cock valve |
| CN105387265A (en) * | 2015-12-07 | 2016-03-09 | 中国船舶重工集团公司第七一九研究所 | Planetary gear transmission mechanism capable of achieving mutual noninterference driving |
| CN206268458U (en) * | 2016-10-29 | 2017-06-20 | 山东奥科自控设备有限公司 | A kind of electric check valve |
| CN108547968A (en) * | 2018-07-03 | 2018-09-18 | 浙江融乐环境科技有限公司 | A kind of full packet three-flat ball valve of automation |
| CN210034492U (en) * | 2019-05-27 | 2020-02-07 | 欧冠阀门科技有限公司 | Top-mounted double-valve-seat conical ball valve |
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| CN110107708A (en) | 2019-08-09 |
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