CN112747135B - Ball valve with protector - Google Patents
Ball valve with protector Download PDFInfo
- Publication number
- CN112747135B CN112747135B CN202011586166.8A CN202011586166A CN112747135B CN 112747135 B CN112747135 B CN 112747135B CN 202011586166 A CN202011586166 A CN 202011586166A CN 112747135 B CN112747135 B CN 112747135B
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- China
- Prior art keywords
- ball valve
- valve body
- valve rod
- hand wheel
- ball
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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
- 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
- F16K5/06—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 spherical surfaces; Packings therefor
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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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
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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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
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/16—Means to prevent accidental or unauthorised actuation with locking member actuated by magnet
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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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/023—Spindle sealings with stuffing-box ; Sealing rings for spindles which only rotate, i.e. non-rising spindles
- F16K41/026—Spindle sealings with stuffing-box ; Sealing rings for spindles which only rotate, i.e. non-rising spindles for rotating valves
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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
- F16K5/06—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 spherical surfaces; Packings therefor
- F16K5/0647—Spindles or actuating 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
- F16K5/06—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 spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0689—Packings between housing and plug
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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
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
Abstract
The invention relates to a ball valve with a protective device, which comprises a ball valve body, a ball core rotatably arranged in the ball valve body, a valve rod with one end connected with the ball core and the other end penetrating out of the ball valve body, a hand wheel detachably arranged on the valve rod, a locking device arranged between the hand wheel and the valve rod and used for preventing misoperation, and the protective device arranged on the ball valve body and used for protecting the ball valve body.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a ball valve with a protection device.
Background
The ball valve is used for regulating and controlling fluid, is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and plays a significant role in national economy.
The existing ball valve comprises a valve body, a ball body and a valve rod for controlling the rotation of the ball body are arranged in the valve body, the other end of the valve rod control ball body is connected with a handle for controlling the rotation of the valve rod, in the practical use, the handle applies certain torque to the upper end of the valve rod and transmits the torque to the ball body, so that the ball body rotates by 90 degrees, and the through hole of the ball body is superposed with the center of a channel of the valve body or is vertical to the center of the channel of the valve body to achieve the action of full opening or full closing.
However, the existing ball valves have the following drawbacks:
1. due to the influence of some artificial or non-artificial factors, the handle is often touched under unnecessary conditions, so that the valve is abnormally opened, waste is brought to resources, and certain potential safety hazards are also generated.
2. The existing ball valve is generally exposed, is easy to corrode under the influence of the environment and needs to be protected.
3. After two ends of the existing ball valve are connected with a pipeline, other supporting modes are not provided, and if the pipeline is damaged and broken, the ball valve can fall on the ground to be damaged; meanwhile, if the ball valve is not supported by foreign objects during maintenance, the maintenance is inconvenient.
Disclosure of Invention
Therefore, in view of the above problems, the present invention provides a ball valve with a protector.
In order to achieve the technical problem, the invention adopts a solution that the ball valve with the protection device comprises a ball valve body, a ball core which is rotatably arranged in the ball valve body, a valve rod, one end of which is connected with the ball core, and the other end of which penetrates out of the ball valve body, a hand wheel which is detachably arranged on the valve rod, a locking device which is arranged between the hand wheel and the valve rod and used for preventing misoperation, and the protection device which is arranged on the ball valve body and used for protecting the ball valve body The ball valve comprises a mounting seat, a clamping plate and a ball valve body, wherein the mounting seat is used for clamping the clamping plate, the ball valve body is propped to start rotating and clamping the ball valve body, a locking bolt of the clamping plate is locked when the ball valve body is clamped on the mounting seat, the clamping plate is arranged at the lower end of the sliding seat after sliding to a preset position and used for resetting the clamping plate, a clamping plate resetting device for resetting the clamping plate is arranged between the sliding seat and the clamping plate and comprises a floating plate and a first reset spring, the floating plate is propped against the lower end of the clamping plate, and the first reset spring is arranged between the floating plate and the sliding seat.
The further improvement is that: offer the holding tank that is used for holding article on the seat that slides, it is used for sealing to slide to be provided with through the bolt can dismantle on the seat the closing plate of holding tank.
The further improvement is that: the protective layer and the buffer layer are sequentially arranged on the clamping plate from outside to inside.
The further improvement is that: locking means is including following the valve rod radially slides and set up in be used for connecting on the hand wheel with the connecting piece of valve rod, can follow the valve rod axial slide and set up in be used for the drive on the hand wheel the actuating lever that the connecting piece slided, set up in lie in on the hand wheel the actuating lever upper end is used for driving the first magnetism that the actuating lever slided attracts the piece, can dismantle set up in be used for on the hand wheel with first magnetism attracts a inter attraction drive the second magnetism that the actuating lever slided attracts the piece.
The further improvement is that: the valve rod is provided with a connecting piece reset device for resetting the connecting piece, and the connecting piece can slide into the connecting groove and is connected with the valve rod and the hand wheel.
The further improvement is that: the connecting piece resetting device comprises a sliding plate which is slidably arranged in the connecting groove and a second resetting spring which is arranged between the sliding plate and the valve rod.
The further improvement is that: the tip is provided with under the actuating lever and is used for the drive the connecting piece is followed the drive arch that the valve rod radially slided, the drive arch is close to that terminal surface of connecting piece is provided with the first slope inclined plane of tilt up, the connecting piece is close to that terminal surface of drive arch be provided with the second slope inclined plane of first slope inclined plane mutually supporting, the actuating lever is followed when the valve rod radially slides through first slope inclined plane and the cooperation of second slope inclined plane drive the connecting piece is followed the valve rod radially slides.
The further improvement is that: the hand wheel with be provided with between the actuating lever and be used for the actuating lever resetting drive lever resetting means, the actuating lever resetting means including set up in spacing arch on the actuating lever, one end support in spacing protruding other end support in the third reset spring of valve rod.
The further improvement is that: the ball valve further comprises a water inlet end and a water outlet end of the ball valve body, a movable joint detachably arranged at the water inlet end and the water outlet end of the ball valve body, a movable joint nut detachably arranged at the water inlet end and the water outlet end of the ball valve body and used for locking the movable joint, and a first sealing device arranged between the movable joint and the movable joint nut.
The further improvement is that: and a second sealing device for sealing is arranged between the ball valve body and the ball core.
The further improvement is that: and a sealing gland used for compressing the second sealing device is arranged between the movable joint and the ball valve body at the water outlet end of the ball valve body.
The further improvement is that: the base is provided with a threaded hole for a bolt to pass through.
The further improvement is that: and a third sealing device for sealing is arranged between the valve rod and the ball valve body.
By adopting the technical scheme, the invention has the beneficial effects that: be provided with protector, can prevent that the ball valve body from being corroded by environmental impact, protector can support the ball valve body simultaneously, prevents that the ball valve body from dropping and damaging when the pipeline fracture to make things convenient for the maintenance of ball valve body.
The further effects are as follows: be provided with locking means for hand wheel detachable sets up on the valve rod, and through second magnetism attraction spare and the mutual cooperation of second magnetism attraction spare, the hand wheel just can drive the valve rod and rotate, prevents to touch the handle under the unnecessary condition, prevents that the valve from opening unusually, the energy saving.
Drawings
FIG. 1 is a schematic structural diagram of a ball valve body according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 corresponding to A in an embodiment of the present invention;
FIG. 3 is a schematic structural view of a ball valve body without a protective device in the embodiment of the invention;
FIG. 4 is a schematic structural diagram illustrating the sliding seat sliding to a predetermined position according to an embodiment of the present invention;
FIG. 5 is a schematic view of a clamping structure of the clamping plate according to an embodiment of the present invention;
FIG. 6 is a schematic view of the structure of each layer of the clamping plate in the embodiment of the invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and specific embodiments.
Example (c);
referring to fig. 1 to 6, a ball valve with a protection device comprises a ball valve body 1, wherein the ball valve body 1 is provided with the protection device for protecting the ball valve body 1, the protection device comprises a base 2, the base 2 is provided with a threaded hole for a bolt to pass through, so that the base 2 can be directly placed and installed on the ground or fixedly installed on a wall surface through the bolt, the protection device is conveniently installed on different occasions to protect the ball valve body 1, the base 2 is provided with four guide rods 3, the guide rods 3 can be slidably provided with sliding seats 4, and the guide rods 3 are provided with nuts 5 for limiting the sliding seats 4 to slide; the sliding seat 4 is provided with a mounting seat 6 through bolt fixing, the mounting seat 6 is provided with a clamping device, and the clamping device can be matched with the ball valve body 1 to clamp the ball valve body 1 after the sliding seat 4 slides to a preset position.
The clamping device comprises two clamping plates 7, the middle parts of which are hinged on the mounting seat 6, the two clamping plates 7 are matched with the ball valve body 1, when the sliding seat 4 slides to a preset position, the lower end parts of the clamping plates 7 are abutted against the ball valve body 1, the sliding seat 4 continues to slide to drive the clamping plates 7 to rotate, and finally the upper end parts of the two clamping plates 7 just can wrap and clamp the ball valve body 1; meanwhile, the clamping plate 7 is sequentially provided with a protective layer 71 and a buffer layer 72 from outside to inside, the protective layer 71 can prevent the ball valve body 1 from being corroded by the external environment, and the buffer layer 72 can prevent the ball valve body 1 from being damaged when being impacted; and the two sides of the two clamping plates 7 on the mounting seat 6 are provided with locking bolts 8 which abut against the clamping plates 7 when the clamping plates 7 clamp the ball valve body 1 to limit the rotation reset of the ball valve body.
And meanwhile, a clamping plate 7 resetting device is arranged between the sliding seat 4 and the clamping plate 7, so that the clamping plate 7 is convenient to reset when being detached, and the clamping plate 7 resetting device comprises a floating plate 9 and a first resetting spring 10, wherein the floating plate 9 is arranged between the sliding seat 4 and the clamping plate 7 and is mutually abutted against the lower end of the clamping plate 7, and the first resetting spring 10 is arranged between the floating plate 9 and the sliding seat 4.
In the invention, a ball core 11 is rotatably arranged in a ball valve body 1, a valve rod 12 is connected to the ball core 11, one end of the valve rod 12 is connected with the ball core 11, and the other end of the valve rod 12 penetrates out of the ball valve body 1, a hand wheel 13 is detachably arranged on the valve rod 12, a locking device for preventing misoperation is arranged between the hand wheel 13 and the valve rod 12, the locking device comprises a connecting piece 14 which can slide along the radial direction of the valve rod 12 and is arranged on the hand wheel 13 for connecting the hand wheel 13 and the valve rod 12, a driving rod 15 which can slide along the axial direction of the valve rod 12 and is arranged on the hand wheel 13 for driving the connecting piece 14 to slide, a first magnet 16 which is arranged on the hand wheel 13 and is positioned at the upper end of the driving rod 15 for driving the driving rod 15 to slide, and a second magnet 17 which is detachably arranged on the hand wheel 13 for mutually attracting the first magnetic attraction piece to drive the driving rod 15 to slide; the valve rod 12 is provided with a connecting groove for allowing the connecting piece 14 to slide into and connect the valve rod 12 and the hand wheel 13, the valve rod 12 is positioned in the connecting groove and is provided with a connecting piece 14 resetting device for resetting the connecting piece 14, and the connecting piece 14 resetting device comprises a sliding plate 18 which can be slidably arranged in the connecting groove and a second resetting spring which is arranged between the sliding plate 18 and the valve rod 12; meanwhile, a driving protrusion 19 used for driving the connecting piece 14 to slide along the radial direction of the valve rod 12 is arranged at the lower end part of the driving rod 15, a first inclined plane 20 which inclines upwards is arranged on one end face, close to the connecting piece 14, of the driving protrusion 19, a second inclined plane 21 which is matched with the first inclined plane 20 is arranged on one end face of the driving protrusion 19, when the driving rod 15 slides along the radial direction of the valve rod 12, the connecting piece 14 is driven to slide along the radial direction of the valve rod 12 through the matching of the first inclined plane 20 and the second inclined plane 21, a driving rod 15 resetting device used for resetting the driving rod 15 is arranged between the hand wheel 13 and the driving rod 15, the driving rod 15 resetting device comprises a limiting protrusion 22 arranged on the driving rod 15, and a third resetting spring 23, one end of the driving rod abuts against the limiting protrusion 22, and the other end of the driving rod 13.
In the invention, the ball valve body 1 is provided with a water inlet end and a water outlet end, the water inlet end and the water outlet end of the ball valve body 1 are detachably provided with a movable joint 24 through threads, the water inlet end and the water outlet end of the ball valve body 1 are also detachably provided with a movable joint nut 25 for locking the movable joint 24 through threads, in order to prevent fluid leakage, a sealing gasket 26 is arranged between the movable joint 24 and the movable joint nut 25, and a 0-type sealing ring 27 for sealing is arranged between the valve rod 12 and the ball valve body 1.
For further sealing, a teflon gasket 28 for sealing is arranged between the ball valve body 1 and the ball core 11, and a sealing gland 29 for pressing the teflon gasket 28 is arranged between the union 24 and the ball valve body 1 at the water outlet end of the ball valve body 1.
Meanwhile, in order to place the disassembled hand wheel 13 and the second magnetic attraction piece, an accommodating groove (not shown in the figure) is formed in the sliding seat 4, and a cover plate (not shown in the figure) used for sealing the accommodating groove is detachably arranged through a bolt.
The working principle is as follows: when the ball valve body 1 is installed, the ball valve body 1 is connected with an external water pipe through the movable joint 24, then the base 2 is placed on the ground or installed on a wall through a bolt, the sliding seat 4 is controlled to slide towards the ball valve body 1, after the ball valve body 1 slides to a preset position, the lower end part of the clamping plate 7 is resisted by the ball valve body 1, then the seat is continuously moved to continue sliding, the lower end part of the clamping plate 7 is driven to rotate, the upper end parts of the two clamping plates 7 just can wrap and clamp the ball valve body, then the clamping plate 7 is locked through the locking bolt 8 to prevent the ball valve body from resetting, therefore, the clamping plate 7 completely wraps and clamps the ball valve body 1 and can protect the ball valve body, finally, the sliding seat 4 is locked through a nut to finish installation, through the arrangement, the clamping plate 7 protects the ball valve body 1 from environmental corrosion, meanwhile, the buffer layer 72 is arranged to prevent collision, and under the condition that the water pipe is suddenly broken, the ball valve body 1 can be prevented from falling and being damaged. Simultaneously, because the support of base 2 and seat 4 that slides for ball valve body 1 can be stable in grip block 7, conveniently maintain.
When the device is used, the hand wheel 13 and the second magnet 17 are taken out from the containing groove, then the hand wheel 13 is installed on the valve rod 12, finally the second magnet 17 is installed on the hand wheel 13, so that the second magnet 17 attracts the first magnet 16, the first magnet 16 drives the driving rod 15 to slide, when the driving rod 15 slides, the first inclined plane 20 and the second inclined plane 21 are matched, the connecting piece 14 slides into the connecting groove along the radial direction of the valve rod 12, and the hand wheel 13 can drive the valve rod 12 to rotate when rotating; at this time, the hand wheel 13 is operated to rotate, and the valve can be opened for use.
The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.
Claims (11)
1. The utility model provides a ball valve with protector, including ball valve body, rotatable set up in ball core, one end in the ball valve body with the ball core is connected the other end and is worn out ball valve body's valve rod, can dismantle set up in hand wheel on the valve rod, set up in the hand wheel with be used for preventing the locking means of maloperation between the valve rod, set up in be used for the protection on the ball valve body's protector, its characterized in that: the protective device comprises a base, at least one guide rod arranged on the base, a sliding seat which can be arranged on the guide rod in a sliding way, a mounting seat fixedly arranged on the sliding seat, and a clamping device which is arranged on the mounting seat and can automatically clamp the ball valve body for protection after the sliding seat slides to a preset position, wherein the clamping device comprises two clamping plates the middle parts of which are hinged on the mounting seat and are matched with the ball valve body, and a locking bolt which is arranged on the mounting seat and is used for locking the clamping plates when the clamping plates clamp the ball valve body, the lower end parts of the clamping plates are abutted by the ball valve body to start rotating and clamping the ball valve body after the sliding seat slides to the preset position, and a clamping plate resetting device used for resetting the clamping plates is arranged between the sliding seat and the clamping plates, the clamping plate resetting device comprises a sliding seat, a floating plate, a first reset spring, a movable joint and a sealing device, wherein the floating plate is arranged between the sliding seat and the clamping plate and is abutted against the lower end of the clamping plate, the first reset spring is arranged between the floating plate and the sliding seat, the movable joint is detachably arranged at the water inlet end and the water outlet end of the ball valve body and is used for locking the movable joint, the movable joint is arranged at a movable joint nut, and the first sealing device is arranged between the movable joint and the movable joint nut, and a second sealing device used for sealing is arranged between the ball valve body and the ball core.
2. A ball valve having a guard according to claim 1, wherein: offer the holding tank that is used for holding article on the seat that slides, it is used for sealing to slide to be provided with through the bolt can dismantle on the seat the closing plate of holding tank.
3. A ball valve with a protector according to claim 1, wherein: the protective layer and the buffer layer are sequentially arranged on the clamping plate from outside to inside.
4. A ball valve having a guard according to claim 1, wherein: locking means is including following the valve rod radially slides and set up in be used for connecting on the hand wheel with the connecting piece of valve rod, can follow the valve rod axial slide and set up in be used for the drive on the hand wheel the actuating lever that the connecting piece slided, set up in lie in on the hand wheel the actuating lever upper end is used for driving the first magnetism that the actuating lever slided attracts the piece, can dismantle set up in be used for on the hand wheel with first magnetism attracts a inter attraction drive the second magnetism that the actuating lever slided attracts the piece.
5. A ball valve with a protector according to claim 4, characterized in that: the valve rod is provided with a connecting piece reset device for resetting the connecting piece, and the connecting piece can slide into the connecting groove and is connected with the valve rod and the hand wheel.
6. A ball valve with a guard according to claim 5, wherein: the connecting piece resetting device comprises a sliding plate which is slidably arranged in the connecting groove and a second resetting spring which is arranged between the sliding plate and the valve rod.
7. A ball valve with a protector according to claim 4, characterized in that: the tip is provided with under the actuating lever and is used for the drive the connecting piece is followed the drive arch that the valve rod radially slided, the drive arch is close to that terminal surface of connecting piece is provided with the first slope inclined plane of tilt up, the connecting piece is close to that terminal surface of drive arch be provided with the second slope inclined plane of first slope inclined plane mutually supporting, the actuating lever is followed when the valve rod radially slides through first slope inclined plane and the cooperation of second slope inclined plane drive the connecting piece is followed the valve rod radially slides.
8. A ball valve having a guard according to claim 7, wherein: the hand wheel with be provided with between the actuating lever and be used for the actuating lever resetting drive lever resetting means, the actuating lever resetting means including set up in spacing arch on the actuating lever, one end support push up in spacing protruding other end support push up in the third reset spring of hand wheel.
9. A ball valve having a guard according to claim 1, wherein: and a sealing gland used for compressing the second sealing device is arranged between the movable joint and the ball valve body at the water outlet end of the ball valve body.
10. A ball valve having a guard according to claim 1, wherein: the base is provided with a threaded hole for a bolt to pass through.
11. A ball valve having a guard according to claim 1, wherein: and a third sealing device for sealing is arranged between the valve rod and the ball valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011586166.8A CN112747135B (en) | 2020-12-29 | 2020-12-29 | Ball valve with protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011586166.8A CN112747135B (en) | 2020-12-29 | 2020-12-29 | Ball valve with protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112747135A CN112747135A (en) | 2021-05-04 |
| CN112747135B true CN112747135B (en) | 2022-08-16 |
Family
ID=75646431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011586166.8A Active CN112747135B (en) | 2020-12-29 | 2020-12-29 | Ball valve with protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112747135B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4113228A (en) * | 1976-02-02 | 1978-09-12 | Frye James A | Rotary plug valve |
| CN201615282U (en) * | 2010-01-07 | 2010-10-27 | 杜剑兵 | Locking valve |
| CN102392910A (en) * | 2011-07-18 | 2012-03-28 | 浙江盾安阀门有限公司 | High-precision flow regulating valve with lock |
| CN108413095A (en) * | 2018-06-15 | 2018-08-17 | 中山达鼎精密工业有限公司 | A kind of metal two-way sealing valve chamber with safety relief function |
| CN208262328U (en) * | 2018-04-17 | 2018-12-21 | 江苏应流机械制造有限责任公司 | A kind of valve body processing clamps fixed device |
| CN211101703U (en) * | 2019-11-13 | 2020-07-28 | 天津渤海永泉阀门有限公司 | Butterfly valve rod hole perforating device |
| CN211387844U (en) * | 2019-12-10 | 2020-09-01 | 瑞安市科亿汽车配件有限公司 | Valve body processing clamping device of electric control exhaust gas recirculation valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206130177U (en) * | 2016-10-26 | 2017-04-26 | 江苏腾龙石化机械有限公司 | High pressure ball valve |
-
2020
- 2020-12-29 CN CN202011586166.8A patent/CN112747135B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4113228A (en) * | 1976-02-02 | 1978-09-12 | Frye James A | Rotary plug valve |
| CN201615282U (en) * | 2010-01-07 | 2010-10-27 | 杜剑兵 | Locking valve |
| CN102392910A (en) * | 2011-07-18 | 2012-03-28 | 浙江盾安阀门有限公司 | High-precision flow regulating valve with lock |
| CN208262328U (en) * | 2018-04-17 | 2018-12-21 | 江苏应流机械制造有限责任公司 | A kind of valve body processing clamps fixed device |
| CN108413095A (en) * | 2018-06-15 | 2018-08-17 | 中山达鼎精密工业有限公司 | A kind of metal two-way sealing valve chamber with safety relief function |
| CN211101703U (en) * | 2019-11-13 | 2020-07-28 | 天津渤海永泉阀门有限公司 | Butterfly valve rod hole perforating device |
| CN211387844U (en) * | 2019-12-10 | 2020-09-01 | 瑞安市科亿汽车配件有限公司 | Valve body processing clamping device of electric control exhaust gas recirculation valve |
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| CN112747135A (en) | 2021-05-04 |
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Effective date of registration: 20221025 Address after: No. 59, Tinghua Road, Tinglin Town, Jinshan District, Shanghai, 201505 Patentee after: SHANGHAI HUHANG VALVES Co.,Ltd. Address before: No.11, Meiyu Road, Meiyu valve garden, Luncang, Nan'an City, Quanzhou City, Fujian Province, 362300 Patentee before: HUHANG TECHNOLOGY GROUP Co.,Ltd. |
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Denomination of invention: A ball valve with protective device Effective date of registration: 20230810 Granted publication date: 20220816 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jinshan sub branch Pledgor: SHANGHAI HUHANG VALVES Co.,Ltd. Registration number: Y2023310000451 |