CN114776829B - Ball valve with automatic compensation sealing function - Google Patents

Ball valve with automatic compensation sealing function Download PDF

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Publication number
CN114776829B
CN114776829B CN202210567151.XA CN202210567151A CN114776829B CN 114776829 B CN114776829 B CN 114776829B CN 202210567151 A CN202210567151 A CN 202210567151A CN 114776829 B CN114776829 B CN 114776829B
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China
Prior art keywords
valve
sealing
spherical
shell
sealing ring
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CN202210567151.XA
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Chinese (zh)
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CN114776829A (en
Inventor
李军辉
滕楠
滕新庭
林虎
滕慧琼
周武
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Kaisitong Valve Co ltd
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Kaisitong Valve Co ltd
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Priority to CN202210567151.XA priority Critical patent/CN114776829B/en
Publication of CN114776829A publication Critical patent/CN114776829A/en
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Publication of CN114776829B publication Critical patent/CN114776829B/en
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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
    • 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
    • F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
    • F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
    • 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
    • F16K31/53—Mechanical actuating means with toothed gearing
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)

Abstract

The invention provides a ball valve with automatic compensation sealing function, which relates to the field of ball valves and comprises the following components: valve casing, the inside rotation of valve casing is connected with two spherical valve bodies, the equal sliding connection of department has seal ring in the middle of the spherical valve body left and right sides, be provided with the spring leaf between two inside walls and the seal ring about the valve casing, department rotates in the middle of the valve casing top and is connected with drive gear, the drive gear top is connected with the drive worm, it has sealed piece to peg graft in the valve casing top end face, department is provided with sealed buckle in the middle of the lateral wall before the valve casing, set up two spherical valve bodies in the valve casing, can appear when sealed not enough in spherical valve body both sides seal ring, block the pipeline through another spherical valve body both sides seal ring, through dual guarantee, alright guarantee the leakproofness after the pipeline blocks, thereby guarantee the result of use of ball valve, reduce the pipeline ball valve and change, the life of extension ball valve, single valve body easy wearing and tearing of ball valve have been solved, seal ring can's unable change, the problem of leakproofness variation.

Description

Ball valve with automatic compensation sealing function
Technical Field
The invention relates to the technical field of ball valves, in particular to a ball valve with an automatic compensation sealing function.
Background
The ball valve is mainly used for cutting off or connecting media in a pipeline and can also be used for adjusting and controlling fluid, along with rapid development of scientific technology and continuous improvement of production process and product structure, the use of the ball valve is continuously improved year by year, and along with abrasion of a ball head in the ball valve, a sealing ring is required to be automatically close to the ball head so as to compensate the sealing property.
However, as for the present ball valve that has the automatic compensation sealing function, because traditional ball valve only is provided with a spherical valve body, when the wearing and tearing of spherical valve body are comparatively serious and the seal ring of spherical valve body both sides is ageing, the inside leakproofness of ball valve will go wrong to as for the inside leakproofness disappearance of ball valve, it is poor to cause the ball valve to block the effect, the problem that the medium easily leaks, and because the ball valve is in encapsulated situation, can't change seal ring, so that need change the ball valve, it will cause cost to rise to change the ball valve wholly.
Disclosure of Invention
In view of the above, the present invention provides a ball valve with an automatic compensation sealing function, in which two ball valves are disposed in a valve housing, when insufficient sealing occurs between sealing gaskets on two sides of one ball valve, a pipeline is blocked by the sealing gaskets on two sides of the other ball valve, and the sealing performance after the pipeline is blocked can be ensured by dual security, so as to ensure the use effect of the ball valve, reduce the replacement of the pipeline ball valve, and prolong the service life of the ball valve.
The invention provides a purpose and an effect of a ball valve with an automatic compensation sealing function, which specifically comprise the following steps: the valve casing, the inside rotation of valve casing is connected with two spherical valve bodies, and the equal sliding connection of department has seal ring in the middle of the spherical valve body left and right sides, is provided with the spring leaf between two inside walls and the seal ring about the valve casing, and department rotates in the middle of the valve casing top and is connected with drive gear, and the drive gear top is connected with the drive worm, and it has sealed piece to peg graft in the valve casing top end face, and department is provided with sealed buckle in the middle of the preceding lateral wall of valve casing, and department articulates in the middle of the inside wall of valve casing bottom has the board that turns over, turns over the middle department of board bottom and is provided with the backup pad.
Further, department has seted up the sealing washer access hole in the middle of the top end surface of valve casing, and sealing washer access hole bottom is linked together with the inside route of valve casing, and department is provided with the sealing washer in the middle of the preceding lateral wall of valve casing and changes the mouth, and the sealing washer is changed mouthful rear end and is linked together with the inside route of valve casing, and the sealing washer is changed mouthful and is linked together with the sealing washer access hole, and valve casing top eminence is provided with the axle shell.
Further, drainage pressure release mouth has been seted up to the valve casing bottom, and sliding connection has the magnetism shrouding in the lateral wall behind the drainage pressure release mouth, and drainage pressure release mouth top is provided with two with the internal passage junction symmetry of valve casing and turns over the board, and two are turned over board closed department bottoms and are provided with the backup pad.
Furthermore, four corner department in backup pad bottom are provided with the guide bar, and guide bar sliding connection is on the inside bottom plate of drainage pressure release mouth, is provided with supporting spring B between backup pad bottom terminal surface and the bottom plate up end.
Furthermore, a supporting spring A is arranged in a gap between the two sealing gaskets between the spherical valve bodies, a sealing block is clamped in a sealing ring access hole at the tops of the sealing gaskets and the supporting spring A, and a cover plate at the top of the sealing block is fixed in the end face of the top of the valve shell through a fixing bolt.
Furthermore, a sealing buckle plate is arranged at the front ends of the sealing washer replacing openings on the front sides of the sealing washer and the supporting spring A through a fixing bolt.
Further, the spherical valve body symmetry is provided with two, and the top of spherical valve body is provided with driven gear, and driven gear rotates to be connected inside the axle column shell, and the spherical valve body bottom is provided with the pivot, has seted up the wire casing in the pivot, is provided with the stay cord in the wire casing, and stay cord one end is passed supporting spring B from the bottom plate bottom and is connected department in the middle of the backup pad bottom terminal surface.
Furthermore, a transmission gear is rotatably connected to the inner portion of the middle of the top of the shaft column shell, the left side and the right side of the transmission gear are in meshed connection with a driven gear on the top of the spherical valve body, a transmission worm wheel is arranged on the top of the transmission gear and in meshed connection with a driving worm, and a hand wheel is arranged at the rear end of the driving worm.
Advantageous effects
According to the automatic compensation sealing ball valve disclosed by the embodiments of the invention, the two spherical valve bodies are arranged in the valve shell, so that when the sealing gaskets on the two sides of one spherical valve body are not enough in sealing, the sealing gaskets on the two sides of the other spherical valve body block a pipeline, and the sealing performance after the pipeline is blocked can be ensured through double guarantee, so that the using effect of the ball valve is ensured, the replacement of the pipeline ball valve is reduced, and the service life of the ball valve is prolonged.
In addition, supporting spring A through between two seal ring can make seal ring and the inseparable laminating of spherical valve body's lateral wall, so that the leakproofness when guaranteeing two spherical valve bodies to close, through the rotation of two spherical valve bodies with the stay cord winding in the wire casing of pivot, conveniently stimulate the backup pad lapse when spherical valve body closes, so that the gliding through the backup pad opens two board turnover, when seal ring leakproofness is not good, the medium just can flow to the drainage pressure release mouth through the turnover board, through taking out the magnetism shrouding, alright the check whether medium persists in the drainage pressure release mouth, conveniently observe seal ring's leakproofness, so that in time change seal ring, then through fixing bolt alright open the apron, and take out the sealing block, alright change seal ring and supporting spring A between two spherical valve bodies, so that the leakproofness of ball valve resumes.
In addition, drive the drive worm through the hand wheel and rotate, the drive worm drives drive gear through being connected with the meshing of transmission worm wheel and rotates, driven gear through drive gear drive two ball valve body tops rotates, so that two ball valve bodies of simultaneous control rotate, open and close when realizing ball valve body, can carry out dual control to blocking of pipeline through two ball valve bodies, so that better improvement leakproofness, and through fixing bolt alright demolish sealed buckle, alright change the sealing washer of reserve in the mouth and support spring A push away between two ball valve bodies, conveniently change seal washer and support spring A, be convenient for improve seal washer and support spring A to the leakproofness between ball valve body and the valve casing.
In addition, seal drainage pressure release mouth through the magnetism shrouding, so as to prevent that the ball valve from medium leakage when opening, improve the ball valve leakproofness, then the medium is when normally circulating, two turn over the board and block up drainage pressure release mouth top under the effect of backup pad, prevent that the medium from leaking from drainage pressure release mouth, when the ball valve is closed needs to be changed seal ring, through opening the magnetism shrouding, discharge the medium in the valve casing, be convenient for improve the convenience of seal ring change between two spherical valve bodies, more can be with the pressure escape in the valve casing, so as to improve the convenience of valve casing internal maintenance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to only some embodiments of the invention and are not intended to limit the invention.
In the drawings:
FIG. 1 is a schematic drawing of an integrally disassembled left front side axial view of a self-compensating sealed ball valve according to an embodiment of the present invention.
Fig. 2 is an overall split right rear side axial view schematic diagram of an automatic compensation sealing ball valve according to an embodiment of the invention.
Fig. 3 is a schematic left-side axial view of an automatic compensation sealing ball valve according to an embodiment of the invention.
Fig. 4 is a sectional left front side axial view structural diagram of a valve casing of the automatic compensation sealing ball valve according to the embodiment of the invention.
Fig. 5 is a sectional right front side axial view structural diagram of a valve casing of the automatic compensation sealing ball valve according to the embodiment of the invention.
Fig. 6 is a schematic view of a transmission connection structure between the top of the spherical valve body of the automatic compensation sealing ball valve and the transmission gear according to the embodiment of the invention.
Fig. 7 is a schematic diagram of a rear right side bottom view of an automatic compensation sealing ball valve according to an embodiment of the invention.
Fig. 8 is a sectional view of a valve housing of the automatic compensation sealing ball valve according to the embodiment of the present invention.
List of reference numerals
1. A valve housing; 101. a seal ring access hole; 102. a drainage pressure relief port; 10201. a base plate; 103. a seal ring replacement port; 104. a column housing; 2. a sealing gasket; 3. a spring plate; 4. a spherical valve body; 401. a rotating shaft; 402. pulling a rope; 403. a driven gear; 5. a transmission gear; 501. a drive worm gear; 6. a drive worm; 601. a hand wheel; 7. a support spring A; 8. a sealing block; 9. a cover plate; 10. fixing the bolt; 11. turning over a plate; 12. a support plate; 1201. a guide bar; 13. a support spring B; 14. a magnetic closing plate; 15. and (4) sealing the pinch plate.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.
Example (b): please refer to fig. 1 to 8:
the invention provides a ball valve with an automatic compensation sealing function, which comprises a valve casing 1, wherein two spherical valve bodies 4 are rotatably connected in the valve casing 1, sealing gaskets 2 are respectively connected in the middles of the left side and the right side of each spherical valve body 4 in a sliding manner, spring pieces 3 are arranged between the left inner side wall and the right inner side wall of the valve casing 1 and the sealing gaskets 2, a transmission gear 5 is rotatably connected in the middle of the top of the valve casing 1, the top of the transmission gear 5 is connected with a driving worm 6, a sealing block 8 is inserted in the end face of the top of the valve casing 1, a sealing buckle plate 15 is arranged in the middle of the front side wall of the valve casing 1, a turnover plate 11 is hinged in the middle of the bottom inner side wall of the valve casing 1, and a support plate 12 is arranged in the middle of the bottom of the turnover plate 11.
Wherein, a supporting spring A7 is arranged in the gap between two sealing gaskets 2 between the spherical valve bodies 4, a sealing block 8 is clamped in a sealing ring overhaul port 101 at the top of the sealing gaskets 2 and the supporting spring A7, a sealing buckle 15 is arranged at the front end of a sealing ring exchange port 103 at the front sides of the sealing gaskets 2 and the supporting spring A7 through a fixing bolt 10, a cover plate 9 at the top of the sealing block 8 is fixed in the end surface at the top of the valve casing 1 through the fixing bolt 10, two spherical valve bodies 4 are symmetrically arranged, a driven gear 403 is arranged at the top of the spherical valve body 4, the driven gear 403 is rotationally connected inside a shaft column casing 104, a rotating shaft 401 is arranged at the bottom of the spherical valve body 4, a wire casing is arranged in the rotating shaft 401, a pull rope 402 is arranged in the wire casing, one end of the pull rope 402 penetrates through a supporting spring B13 from the bottom of a bottom plate 10201 to be connected to the middle of the end surface at the bottom of the supporting plate 12, the concrete function is achieved, the sealing gaskets 2 can be tightly attached to the side walls of the spherical valve bodies 4 through the supporting springs A7 between the two sealing gaskets 2, so that the sealing performance when the two spherical valve bodies 4 are closed is ensured, the pull ropes 402 are wound in the wire grooves of the rotating shaft 401 through the rotation of the two spherical valve bodies 4, the supporting plate 12 is conveniently pulled to slide downwards when the spherical valve bodies 4 are closed, so that the two turning plates 11 are opened through the sliding of the supporting plate 12, when the sealing performance of the sealing gaskets 2 is poor, a medium can flow into the drainage pressure relief opening 102 through the turning plates 11, whether the medium is left in the drainage pressure relief opening 102 can be checked by pulling out the magnetic sealing plates 14, the sealing performance of the sealing gaskets 2 can be conveniently observed, so that the sealing gaskets 2 can be timely replaced, then the cover plate 9 can be opened through the fixing bolts 10, the sealing blocks 8 can be taken out, and the sealing gaskets 2 and the supporting springs A7 between the two spherical valve bodies 4 can be replaced, in order to improve the tightness of the ball valve.
Wherein, the middle of the top end face of the valve casing 1 is provided with a seal ring access hole 101, the bottom of the seal ring access hole 101 is communicated with the internal passage of the valve casing 1, the middle of the front side wall of the valve casing 1 is provided with a seal ring replacing hole 103, the rear end of the seal ring replacing hole 103 is communicated with the internal passage of the valve casing 1, the seal ring replacing hole 103 is communicated with the seal ring access hole 101, the high position of the top of the valve casing 1 is provided with a column casing 104, the internal rotation of the middle of the top of the column casing 104 is connected with a transmission gear 5, the left side and the right side of the transmission gear 5 are meshed and connected with a driven gear 403 at the top of the spherical valve body 4, the transmission gear 5 is provided with a transmission worm wheel 501, the transmission worm wheel 501 is meshed and connected with a driving worm 6, the rear end of the driving worm 6 is provided with a hand wheel 601, the specific effect is achieved, the driving worm 6 is driven to rotate by the hand wheel 601, the driving worm 6 drives the transmission gear 5 to drive the transmission gear 5 through the meshed and connected with the driven gear 403 at the top of the two spherical valve bodies 4, so as to simultaneously control, the simultaneous opening and closing of the spherical valve body 4 can be opened and closed, the blocking valve body can be conveniently replaced by a sealing bolt 10A, the sealing gasket 7A, the sealing ring and the sealing spring supporting between the sealing gasket 7 and the sealing gasket supporting spring supporting plate 2 and the sealing gasket supporting spring supporting the sealing between the sealing ring 7A 2 and the sealing ring supporting spring supporting plate, and the sealing between the sealing ring supporting spring supporting valve body 7.
Wherein, drainage pressure release mouth 102 has been seted up to valve casing 1 bottom, sliding connection has magnetic shrouding 14 in the drainage pressure release mouth 102 rear side wall, drainage pressure release mouth 102 top is provided with two with the internal passage junction symmetry of valve casing 1 and turns over board 11, two turn over board 11 closed department bottoms and be provided with backup pad 12, concrete effect, seal drainage pressure release mouth 102 through magnetic shrouding 14, so as to prevent that the ball valve from medium leakage when opening, improve the ball valve leakproofness, then when the medium normally circulates, two turn over board 11 and block up drainage pressure release mouth 102 top under backup pad 12's effect, prevent that the medium from drainage pressure release mouth 102 from leaking, when the ball valve is closed needs to seal ring 2 and change, through opening magnetic shrouding 14, discharge the medium in the valve casing 1, be convenient for improve the convenience of changing seal ring 2 between two ball valve bodies 4, more can discharge the pressure in the valve casing 1, so as to improve the convenience of the inside maintenance of valve casing 1.
Wherein, four corners department in backup pad 12 bottom are provided with guide bar 1201, guide bar 1201 sliding connection is on the inside bottom plate 10201 of drainage pressure release mouth 102, be provided with supporting spring B13 between backup pad 12 bottom terminal surface and the bottom plate 10201 up end, concrete effect, prop backup pad 12 through supporting spring B13, then will turn over board 11 through backup pad 12, thereby prevent to turn over board 11 and open under the effect of medium pressure, thereby when improving the ball valve and opening, the circulation speed of medium, backup pad 12 passes through guide bar 1201 sliding connection in bottom plate 10201, be convenient for guarantee the steady up-and-down slip of backup pad 12, thereby guarantee backup pad 12 and provide sufficient holding power for turning over board 11.
The specific use mode and function of the embodiment are as follows: in the invention, a hand wheel 601 drives a driving worm 6 to rotate, the driving worm 6 drives a transmission gear 5 to rotate through meshing connection with a transmission worm wheel 501, the transmission gear 5 drives driven gears 403 at the tops of two spherical valve bodies 4 to rotate so as to simultaneously control the two spherical valve bodies 4 to rotate, the spherical valve bodies 4 are opened and closed simultaneously, a support plate 12 is supported by a support spring B13, then a turning plate 11 is supported by the support plate 12, the turning plate 11 is prevented from being opened under the action of medium pressure, the medium flowing speed is increased when the ball valve is opened, the blocking of a pipeline can be doubly controlled by the two spherical valve bodies 4 so as to better improve the sealing property, when a sealing gasket 2 and a support spring A7 are required to be overhauled, the spherical valve bodies 4 are closed, and a pull rope 402 is wound in a wire groove of a rotating shaft 401 through the rotation of the two spherical valve bodies 4, the support plate 12 is conveniently pulled to slide downwards when the spherical valve bodies 4 are closed, so that the two turning plates 11 are opened through the sliding of the support plate 12, then the magnetic closing plate 14 is pulled out, the medium in the valve casing 1 is discharged, the convenience for replacing the sealing gasket 2 between the two spherical valve bodies 4 is improved, the pressure in the valve casing 1 can be discharged, so that the convenience for internal maintenance of the valve casing 1 is improved, then the cover plate 9 can be opened through the fixing bolt 10, the sealing block 8 can be taken out, the sealing gasket 2 and the supporting spring A7 between the two spherical valve bodies 4 can be taken out, the sealing buckle plate 15 can be detached through the fixing bolt 10, the standby sealing gasket 2 and the supporting spring A7 in the sealing gasket replacement port 103 can be pushed between the two spherical valve bodies 4, and the sealing gasket 2 and the supporting spring A7 can be conveniently replaced, facilitating an improved tightness of the sealing gasket 2 and the supporting spring A7 against the ball valve body 4 and the valve housing 1.
Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.
The above description is intended to be illustrative of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.

Claims (1)

1. A ball valve having an automatic compensation sealing function, comprising: the drainage valve comprises a valve shell (1), a sealing ring access hole (101) is formed in the middle of the top end face of the valve shell (1), the bottom of the sealing ring access hole (101) is communicated with an internal passage of the valve shell (1), a sealing ring replacing hole (103) is formed in the middle of the front side wall of the valve shell (1), the rear end of the sealing ring replacing hole (103) is communicated with the internal passage of the valve shell (1), the sealing ring replacing hole (103) is communicated with the sealing ring access hole (101), a column shell (104) is arranged at the high position of the top of the valve shell (1), a transmission gear (5) is rotatably connected in the middle of the top of the column shell (104), the left side and the right side of the transmission gear (5) are meshed and connected with a driven gear (403) at the top of a spherical valve body (4), a transmission worm wheel (501) is arranged at the top of the transmission gear (1), the transmission wheel (501) is meshed and connected with a driving worm (6), a hand wheel (601) is arranged at the rear end of the driving worm (6), a pressure relief drainage port (1) is formed in the bottom of the valve shell (1), two turnover plates (11) are symmetrically connected with two turnover plates (11), two spherical valve bodies (4) are symmetrically arranged, a driven gear (403) is arranged at the top of each spherical valve body (4), the driven gear (403) is rotatably connected inside a shaft cylinder shell (104), a rotating shaft (401) is arranged at the bottom of each spherical valve body (4), a wire groove is formed in the rotating shaft (401), a pull rope (402) is arranged in the wire groove, one end of the pull rope (402) penetrates through a supporting spring B (13) from the bottom of a bottom plate (10201) and is connected to the middle of the bottom end face of a supporting plate (12), sealing gaskets (2) are slidably connected to the middle of the left side and the right side of each spherical valve body (4), a supporting spring A (7) is arranged in a gap between the two sealing gaskets (2) between the spherical valve bodies (4), a sealing block (8) is clamped in a sealing ring overhauling port (101) at the tops of the sealing gaskets (2) and the supporting spring A (7), a cover plate (9) at the top of the sealing block (8) is fixed in the top end face of the top of the valve shell (1) through a fixing bolt (10), a valve shell (1) is provided with a valve shell (15) through a replacement fixing bolt (10), a spring shell (5) is arranged at the front end of the middle of the sealing ring (1) between the left side and the sealing ring (5) between the sealing ring (5), the top of the transmission gear (5) is connected with the driving worm (6), a sealing block (8) is inserted into the end face of the top of the valve casing (1), a sealing buckle plate (15) is arranged in the middle of the front side wall of the valve casing (1), a turning plate (11) is hinged to the middle of the inner side wall of the bottom of the valve casing (1), a support plate (12) is arranged in the middle of the bottom of the turning plate (11), guide rods (1201) are arranged at four corners of the bottom of the support plate (12), the guide rods (1201) are connected to a bottom plate (10201) inside the drainage pressure relief port (102) in a sliding mode, and a support spring B (13) is arranged between the end face of the bottom of the support plate (12) and the upper end face of the bottom plate (10201).
CN202210567151.XA 2022-05-23 2022-05-23 Ball valve with automatic compensation sealing function Active CN114776829B (en)

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Application Number Priority Date Filing Date Title
CN202210567151.XA CN114776829B (en) 2022-05-23 2022-05-23 Ball valve with automatic compensation sealing function

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Application Number Priority Date Filing Date Title
CN202210567151.XA CN114776829B (en) 2022-05-23 2022-05-23 Ball valve with automatic compensation sealing function

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CN114776829A CN114776829A (en) 2022-07-22
CN114776829B true CN114776829B (en) 2022-11-04

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CN215596418U (en) * 2021-05-26 2022-01-21 泉州市精英阀业有限公司 Gate valve convenient to change disk seat

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GB0908259D0 (en) * 2009-05-14 2009-06-24 Xamol Ltd Valve assembly
US8201574B2 (en) * 2009-12-11 2012-06-19 Virgo Engineers, Inc. Bi-directional sealing ball valve

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Publication number Priority date Publication date Assignee Title
GB201015032D0 (en) * 2010-09-10 2010-10-20 Xamol Ltd Valve assembly
CN204344977U (en) * 2014-11-22 2015-05-20 阀工阀门有限公司 Wear-resisting acidproof special fixing ball valve
CN105927777A (en) * 2016-07-12 2016-09-07 阀工阀门有限公司 Ceramic double-ball valve
CN211009972U (en) * 2019-11-19 2020-07-14 浙江阀毕威阀门有限公司 High strength integral type pair ball valve
CN213145444U (en) * 2020-07-25 2021-05-07 唐山圣龙水泥有限公司 Electronic depiler valve convenient to maintenance
CN213332514U (en) * 2020-10-26 2021-06-01 中国水利水电第三工程局有限公司 Water inlet and outlet automatic reversing device
CN215596418U (en) * 2021-05-26 2022-01-21 泉州市精英阀业有限公司 Gate valve convenient to change disk seat

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Denomination of invention: A ball valve with automatic compensation sealing function

Granted publication date: 20221104

Pledgee: China Construction Bank Corporation Longyou Branch

Pledgor: KAISITONG VALVE CO.,LTD.

Registration number: Y2024980022293