CN111828670A - Large-caliber vacuum ball valve - Google Patents
Large-caliber vacuum ball valve Download PDFInfo
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- CN111828670A CN111828670A CN202010626005.0A CN202010626005A CN111828670A CN 111828670 A CN111828670 A CN 111828670A CN 202010626005 A CN202010626005 A CN 202010626005A CN 111828670 A CN111828670 A CN 111828670A
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- ring
- sealing
- valve body
- sleeved
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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
- F16K27/06—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
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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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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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
- F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing
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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
- F16K5/06—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
- F16K5/0694—Spindle sealings
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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
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
- F16K51/02—Other details not peculiar to particular types of valves or cut-off apparatus specially adapted for high-vacuum installations
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a large-caliber vacuum ball valve which comprises a positioning shaft, a ferrule, a valve body, a valve cover, a flange ferrule ring, a check ring, a valve rod, a sealing element, an upper baffle ring, a sealing washer, a lining ring, a compression nut, a pneumatic actuator, a spring washer, a first screw, a first sealing ring, a second screw, a second sealing ring, a third sealing ring, a fourth sealing ring, a ball body, a connecting sealing ring, a fixed sealing ring, a third screw, a lower baffle ring, a locking groove and a valve seat. The ball valve is reasonable in structure, the connection between the valve cover and the valve body is enhanced and the sealing performance of the valve cover and the valve body is improved through the upper retaining ring and the lower retaining ring in the valve body and the sealing element and the third sealing ring in the valve cover, the mounting and the sealing are convenient, the rotation and the sealing of the ball body are convenient through the ferrule, the positioning shaft, the fixed sealing ring, the connecting sealing ring and the third screw arranged between the valve body and the ball body, and the sealing between the valve body and the ball body is improved.
Description
Technical Field
The invention relates to a vacuum ball valve, in particular to a large-caliber vacuum ball valve, and belongs to the technical field of application of vacuum ball valves.
Background
The high vacuum ball valve is a vacuum system component used for changing the direction of air flow, adjusting the magnitude of air flow and cutting off or connecting a pipeline in a vacuum system. The high vacuum ball valve closing member is sealed by rubber sealing rings or metal sealing rings, the high vacuum ball valve is a valve for realizing on-off of air in a pipeline, the traditional high vacuum ball valve is greatly influenced by the environment during working, so that the control of the high vacuum ball valve on the air or liquid flow in the pipeline is influenced, and the ball valve is driven by a valve rod and rotates around the axis of the ball valve.
Contact surface between spheroid and the disk seat in the present ball valve only is equipped with the one deck sealing washer, the sealing washer is established on the valve ball or is set up on the disk seat, when the valve ball is rotating, sealing washer on the valve ball or the sealing washer on the disk seat can be because of rotating the looks friction, and disk seat and valve ball are the hard metal, wear and tear the sealing washer very easily, and have certain probability to drop the sealing washer friction, can influence the sealing performance of ball valve, current vacuum ball valve does not possess automatic compensation seal seat wearing and tearing function, thereby the number of times that the user changed high vacuum ball valve has been increased, traditional high vacuum ball valve is not applicable to working medium and is for taking sour, alkaline various gas or liquid, thereby the result of use of high vacuum ball valve has been influenced. Therefore, a large-diameter vacuum ball valve is provided to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems and provide a vacuum ball valve with a large caliber.
The invention achieves the aim through the following technical scheme, and the large-caliber vacuum ball valve comprises a valve body, a valve cover, a positioning device, a sealing device and a pneumatic device;
the positioning device comprises a valve body sleeved in a valve cover, the side wall of one end of the valve body is in threaded connection with one end of a positioning shaft through a third screw, one end of the positioning shaft is sleeved in one end of a sphere, the valve cover is in threaded connection with the valve body through a second screw, and the valve cover is in threaded connection with the valve body through the second screw;
the sealing device comprises a flange lantern ring sleeved on the side wall of one end of the valve cover, and a check ring is arranged between the contact surface of the inner ring of the flange lantern ring and the outer ring of one end of the valve cover;
the pneumatic device comprises a valve rod arranged at the top of the ball body, the top of the valve rod is arranged at the output end of a pneumatic actuator, and the pneumatic actuator is in threaded connection with the top of the valve seat through a first screw.
Preferably, a sealing element is arranged between the inner side of the valve cover and the contact surface of the outer side of the ball body, two ends of the sealing element respectively support between the upper retaining ring and the lower retaining ring, the upper retaining ring is fixedly connected to the top end of the inner portion of the valve body, the lower retaining ring is fixedly connected to the bottom end of the inner portion of the valve body, and a third sealing ring is arranged on the contact surface of the sealing element and the valve cover.
Preferably, the inside fourth sealing washer that is equipped with in the outside of valve gap, the quantity of fourth sealing washer is two, two fourth sealing washer symmetric distribution is inside the both ends lateral wall of valve gap.
Preferably, a ferrule is sleeved on a contact surface of one end of the positioning shaft and the ball body, the ferrule is positioned at the joint of the positioning shaft and the ball body, a connecting sealing ring and a fixed sealing ring are respectively arranged at the joint of the positioning shaft and the valve body, and the connecting sealing ring and the fixed sealing ring are both sleeved on the outer side of the positioning shaft.
Preferably, the contact surface of the top and the bottom of the valve body and the valve cover is provided with a second sealing ring, the top and the bottom of the valve body are respectively matched with the side wall of the valve cover, and the two sides of the interior of the valve body are respectively sleeved with an upper retaining ring and a lower retaining ring.
Preferably, the inside of the valve seat is provided with a locking groove, the inside of the locking groove is sleeved with the valve rod, the outer side of the valve rod is in threaded connection with a compression nut, and the compression nut is sleeved inside the locking groove.
Preferably, the inside of the locking groove is sleeved with two sealing gaskets and two lining rings, two lining rings are arranged between the two sealing gaskets, the two sealing gaskets and the two lining rings are separated by three first sealing rings, the two sealing gaskets and the two lining rings are sleeved on the outer side of the valve rod, and the outer side wall of the sealing gasket on the outermost side of the locking groove is tightly abutted against the side wall of one end of the compression nut.
Preferably, one end of the valve rod is arranged at the top center of the valve body, and the valve rod penetrates through the side wall of the valve body and extends to the inner part of the sphere.
Preferably, a spring washer is sleeved on a first screw in threaded connection with one end of the valve seat, the spring washer is located between the valve seat and the first screw, and the valve seat is fixedly connected to the top of the valve body.
Preferably, the gasket, the sealing element and the ferrule are all made of polytetrafluoroethylene, and the model of the spring gasket is M10.
The invention has the beneficial effects that:
1. according to the invention, a user can drive related parts to rotate by controlling the pneumatic actuator, the pneumatic actuator rotates to drive the valve rod to rotate in the valve body 1, the rotation angle of the pneumatic actuator is controlled by switching an external power supply or inputting an external signal, so that the rotation angle of the valve rod can be controlled, the valve rod rotates to drive the ball body to rotate among the four sealing elements, the on-off of the valve can be controlled, the sealing of the joint of the valve cover and an external pipeline is improved by the flange lantern ring retainer ring and the fourth sealing ring, and the sealing performance of the joint of the valve cover is improved.
2. Through second sealing washer and the second screw that valve gap and valve body junction set up, improve the leakproofness between valve gap and the valve body, keep off ring and the inside sealing member and the third sealing washer of lower fender ring and valve gap on through the valve body is inside, strengthen being connected between valve gap and the valve body and improve the leakproofness of valve gap and valve body, easy to assemble and sealed, through the lasso that sets up between valve body and the spheroid, the location axle, the fixed seal circle, connect sealing washer and third screw, make things convenient for spheroidal rotation and sealed, improve the sealing between valve body and the spheroid.
3. Through disk seat, first sealing washer, seal ring, junk ring, gland nut and locking groove, improve the sealed between valve rod and the disk seat, improve the gas tightness, through spring washer, first screw, disk seat and pneumatic actuator, improve the sealed of pneumatic actuator and disk seat junction to make the vacuum ball valve have high leakproofness.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a partially enlarged view of the position B in fig. 2 according to the present invention.
In the figure: 1. the valve comprises a positioning shaft, 2, a ferrule, 3, a valve body, 4, a valve cover, 5, a flange sleeve ring, 6, a retainer ring, 7, a valve rod, 8, a sealing element, 9, an upper retaining ring, 10, a sealing washer, 11, a lining ring, 12, a compression nut, 13, a pneumatic actuator, 14, a spring washer, 15, a first screw, 16, a first sealing washer, 17, a second screw, 18, a second sealing washer, 19, a third sealing washer, 20, a fourth sealing washer, 21, a ball body, 22, a connecting sealing washer, 23, a fixing sealing washer, 24, a third screw, 25, a lower retaining ring, 26, a locking groove, 27 and a valve seat.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-4, a large-caliber vacuum ball valve includes a valve body 3, a valve cap 4, a positioning device, a sealing device and a pneumatic device;
the positioning device comprises a valve body 3 sleeved inside a valve cover 4, the side wall of one end of the valve body 3 is in threaded connection with one end of a positioning shaft 1 through a third screw 24, and one end of the positioning shaft 1 is sleeved inside one end of a sphere 21;
the sealing device comprises a flange lantern ring 5 sleeved on the side wall of one end of the valve cover 4, and a check ring 6 is arranged between the contact surface of the inner ring of the flange lantern ring 5 and the outer ring of one end of the valve cover 4;
the pneumatic device comprises a valve rod 7 mounted on the top of a sphere 21, the top of the valve rod 7 is mounted on the output end of a pneumatic actuator 13, and the pneumatic actuator 13 is screwed on the top of a valve seat 27 through a first screw 15.
A sealing element 8 is arranged between the contact surface of the inner side of the valve cover 4 and the outer side of the ball body 21, two ends of the sealing element 8 respectively abut against the upper retaining ring 9 and the lower retaining ring 25, the upper retaining ring 9 is fixedly connected to the top end of the interior of the valve body 3, the lower retaining ring 25 is fixedly connected to the bottom end of the interior of the valve body 3, and a third sealing ring 19 is arranged on the contact surface of the sealing element 8 and the valve cover 4, so that the structure is more reasonable and the connection is convenient; the inner part of the outer side of the valve cover 4 is provided with two fourth sealing rings 20, and the two fourth sealing rings 20 are symmetrically distributed in the side walls of the two ends of the valve cover 4, so that the structure is more reasonable and the connection is convenient; a ferrule 2 is sleeved on a contact surface between one end of the positioning shaft 1 and the ball body 21, the ferrule 2 is positioned at the joint of the positioning shaft 1 and the ball body 21, a connecting sealing ring 22 and a fixed sealing ring 23 are respectively arranged at the joint of the positioning shaft 1 and the valve body 3, and the connecting sealing ring 22 and the fixed sealing ring 23 are both sleeved on the outer side of the positioning shaft 1, so that the structure is more reasonable and the connection is convenient; the contact surfaces of the top and the bottom of the valve body 3 and the valve cover 4 are provided with second sealing rings 18, the top and the bottom of the valve body 3 are respectively matched and connected with the side wall of the valve cover 4, and the two sides of the interior of the valve body 3 are respectively sleeved with an upper retaining ring 9 and a lower retaining ring 25, so that the structure is more reasonable and the connection is convenient; a locking groove 26 is formed in the valve seat 27, the valve rod 7 is sleeved in the locking groove 26, the outer side of the valve rod 7 is in threaded connection with a compression nut 12, and the compression nut 12 is sleeved in the locking groove 26, so that the structure is more reasonable, and the connection is convenient; sealing gaskets 10 and lining rings 11 are sleeved inside the locking groove 26, the number of the sealing gaskets 10 and the number of the lining rings 11 are two, two lining rings 11 are arranged between the two sealing gaskets 10, the two sealing gaskets 10 and the two lining rings 11 are separately arranged through three first sealing rings 16, the two sealing gaskets 10 and the two lining rings 11 are all sleeved on the outer side of the valve rod 7, the outer side wall of the sealing gasket 10 on the outermost side of the locking groove 26 tightly abuts against the side wall of one end of the compression nut 12, the structure is more reasonable, and the connection is convenient; one end of the valve rod 7 is arranged at the center of the top of the valve body 3, and the valve rod 7 penetrates through the side wall of the valve body 3 and extends into the ball body 21, so that the structure is more reasonable and the connection is convenient; a spring washer 14 is sleeved on a first screw 15 in threaded connection with one end of the valve seat 27, the spring washer 14 is located between the valve seat 27 and the first screw 15, and the valve seat 27 is fixedly connected to the top of the valve body 3, so that the structure is more reasonable, and the connection is convenient; the lining ring 11, the sealing element 8 and the lining ring 2 are all made of polytetrafluoroethylene, and the type of the spring gasket 14 is M10, so that the structure is more reasonable, and the connection is convenient.
When the device is used, firstly, electrical components in the device are externally connected with a control switch and a power supply, a user can drive related components to rotate by controlling the pneumatic actuator 13, the pneumatic actuator 13 rotates to drive the valve rod 7 to rotate in the valve body 31, the rotating angle of the pneumatic actuator 13 is controlled by external power supply switching or external input signals, so that the rotating angle of the valve rod 7 can be controlled, the valve rod 7 rotates to drive the ball 21 to rotate among the four sealing elements 8, so that the on-off of a valve can be controlled, the sealing of the joint of the valve cover 4 and an external pipeline is improved by the aid of the arranged flange sleeve ring 5, the check ring 6 and the fourth sealing ring 20, so that the sealing of the joint of the valve cover 4 and the valve body 3 is improved, the sealing of the joint of the valve cover 4 and the valve body 3 is improved by the arranged second sealing ring 18 and the second screw 17 at the joint of the valve cover 4 and the valve body 3, and the sealing elements 8 and the third The connection between the valve cover 4 and the valve body 3 is enhanced, the sealing performance between the valve cover 4 and the valve body 3 is improved, the installation and the sealing are convenient, the rotation and the sealing of the ball body 21 are facilitated through the ferrule 2, the positioning shaft 1, the fixed sealing ring 23, the connecting sealing ring 22 and the third screw 24 which are arranged between the valve body 3 and the ball body 21, the sealing between the valve body 3 and the ball body 21 is improved, the sealing between the valve rod 7 and the valve seat 27 is improved through the valve seat 27, the first sealing ring 16, the sealing washer 10, the bushing 11, the compression nut 12 and the locking groove 26, the sealing performance between the pneumatic actuator 13 and the valve seat 27 is improved, the air tightness is improved, the sealing performance of the joint of the pneumatic actuator 13 and the valve seat 27 is improved through the spring washer 14, the first.
It is well within the skill of those in the art to implement and protect the present invention without undue experimentation and without undue experimentation that the present invention is directed to software and process improvements.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a vacuum ball valve of heavy-calibre which characterized in that: comprises a valve body (3), a valve cover (4), a positioning device, a sealing device and a pneumatic device;
the positioning device comprises a valve body (3) sleeved inside a valve cover (4), the side wall of one end of the valve body (3) is in threaded connection with one end of a positioning shaft (1) through a third screw (24), one end of the positioning shaft (1) is sleeved inside one end of a sphere (21), and the valve cover (4) is in threaded connection with the valve body (3) through a second screw (17);
the sealing device comprises a flange sleeve ring (5) sleeved on the side wall of one end of the valve cover (4), and a retainer ring (6) is arranged between the contact surface of the inner ring of the flange sleeve ring (5) and the outer ring of one end of the valve cover (4);
the pneumatic device comprises a valve rod (7) installed at the top of a sphere (21), the top of the valve rod (7) is installed at the output end of a pneumatic actuator (13), and the pneumatic actuator (13) is in threaded connection with the top of a valve seat (27) through a first screw (15).
2. A large diameter vacuum ball valve according to claim 1, wherein: be equipped with sealing member (8) between the contact surface in the inboard of valve gap (4) and the outside of spheroid (21), the both ends of sealing member (8) support respectively tightly and keep off ring (9) and keep off under with between ring (25), on keep off ring (9) fixed connection at the inside top of valve body (3), keep off ring (25) fixed connection under in the inside bottom of valve body (3), the contact surface of sealing member (8) and valve gap (4) is equipped with third sealing washer (19).
3. A large diameter vacuum ball valve according to claim 1, wherein: the valve cover is characterized in that fourth sealing rings (20) are arranged inside the outer side of the valve cover (4), the number of the fourth sealing rings (20) is two, and the fourth sealing rings (20) are symmetrically distributed inside the side walls of the two ends of the valve cover (4).
4. A large diameter vacuum ball valve according to claim 1, wherein: the ball valve is characterized in that a ferrule (2) is sleeved on a contact surface of one end of the positioning shaft (1) and the ball body (21), the ferrule (2) is located at a joint of the positioning shaft (1) and the ball body (21), a connecting sealing ring (22) and a fixing sealing ring (23) are respectively arranged at the joint of the positioning shaft (1) and the valve body (3), and the connecting sealing ring (22) and the fixing sealing ring (23) are both sleeved on the outer side of the positioning shaft (1).
5. A large diameter vacuum ball valve according to claim 1, wherein: the top and the bottom of valve body (3) are provided with second sealing washer (18) with the contact surface of valve gap (4), the top and the bottom of valve body (3) cooperate the lateral wall of connecting valve gap (4) respectively, the inside both sides of valve body (3) cup joint respectively and keep off ring (9) and keep off ring (25) down.
6. A large diameter vacuum ball valve according to claim 1, wherein: the valve seat is characterized in that a locking groove (26) is formed in the valve seat (27), the valve rod (7) is sleeved in the locking groove (26), the outer side of the valve rod (7) is in threaded connection with a compression nut (12), and the compression nut (12) is sleeved in the locking groove (26).
7. A large bore vacuum ball valve as defined in claim 6, wherein: seal ring (10) and lining ring (11) are cup jointed to the inside of locking groove (26), the quantity of seal ring (10) and lining ring (11) is two, two be equipped with two lining ring (11) between seal ring (10), two seal ring (10) and two separate through three first seal ring (16) between lining ring (11) and place, two seal ring (10) and two lining ring (11) all cup joint the outside at valve rod (7), the one end lateral wall of gland nut (12) is supported tightly to the lateral wall of seal ring (10) in locking groove (26) outside.
8. A large diameter vacuum ball valve according to claim 1, wherein: one end of the valve rod (7) is installed at the top center of the valve body (3), and the valve rod (7) penetrates through the side wall of the valve body (3) and extends to the inside of the sphere (21).
9. A large diameter vacuum ball valve according to claim 1, wherein: the valve seat is characterized in that a spring washer (14) is sleeved on a first screw (15) which is connected with one end of the valve seat (27) in a threaded mode, the spring washer (14) is located between the valve seat (27) and the first screw (15), and the valve seat (27) is fixedly connected to the top of the valve body (3).
10. A large diameter vacuum ball valve according to claim 7, wherein: the lining ring (11), the sealing element (8) and the ferrule (2) are all made of polytetrafluoroethylene, and the type of the spring gasket (14) is M10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010626005.0A CN111828670A (en) | 2020-07-01 | 2020-07-01 | Large-caliber vacuum ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010626005.0A CN111828670A (en) | 2020-07-01 | 2020-07-01 | Large-caliber vacuum ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111828670A true CN111828670A (en) | 2020-10-27 |
Family
ID=72900903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010626005.0A Pending CN111828670A (en) | 2020-07-01 | 2020-07-01 | Large-caliber vacuum ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111828670A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565985A (en) * | 2021-08-16 | 2021-10-29 | 株洲明鑫轨道装备科技有限公司 | Assembled ball valve structure mounted by eight screw rods and assembling method |
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| CN101737519A (en) * | 2009-11-18 | 2010-06-16 | 河南航天压力元件有限公司 | Fuel gas ball valve |
| CN103807452A (en) * | 2014-02-27 | 2014-05-21 | 张周卫 | LNG butterfly valve |
| CN204267782U (en) * | 2014-11-29 | 2015-04-15 | 浙江诚一阀门有限公司 | A kind of duplex pass ball valve |
| CN206072392U (en) * | 2016-09-30 | 2017-04-05 | 阜宁县石油机械有限公司 | A kind of high performance oil well production valve |
| CN207229812U (en) * | 2017-07-25 | 2018-04-13 | 自贡新比隆阀门有限公司 | New fixing ball valve |
| CN108518499A (en) * | 2018-04-18 | 2018-09-11 | 宁波泓科真空阀门科技有限公司 | GUD-150 type motorized adjustment high vacuum ball valves |
| CN210240634U (en) * | 2019-07-01 | 2020-04-03 | 环球阀门集团有限公司 | Pneumatic anti-creeping hard sealing ball valve |
| CN210600258U (en) * | 2019-08-19 | 2020-05-22 | 宿州天工金属制造有限公司 | Vacuum ball valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HK1019165A1 (en) * | 1996-06-13 | 2000-01-14 | Fisher Controls Int | Rotary valve |
| CN101737519A (en) * | 2009-11-18 | 2010-06-16 | 河南航天压力元件有限公司 | Fuel gas ball valve |
| CN103807452A (en) * | 2014-02-27 | 2014-05-21 | 张周卫 | LNG butterfly valve |
| CN204267782U (en) * | 2014-11-29 | 2015-04-15 | 浙江诚一阀门有限公司 | A kind of duplex pass ball valve |
| CN206072392U (en) * | 2016-09-30 | 2017-04-05 | 阜宁县石油机械有限公司 | A kind of high performance oil well production valve |
| CN207229812U (en) * | 2017-07-25 | 2018-04-13 | 自贡新比隆阀门有限公司 | New fixing ball valve |
| CN108518499A (en) * | 2018-04-18 | 2018-09-11 | 宁波泓科真空阀门科技有限公司 | GUD-150 type motorized adjustment high vacuum ball valves |
| CN210240634U (en) * | 2019-07-01 | 2020-04-03 | 环球阀门集团有限公司 | Pneumatic anti-creeping hard sealing ball valve |
| CN210600258U (en) * | 2019-08-19 | 2020-05-22 | 宿州天工金属制造有限公司 | Vacuum ball valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565985A (en) * | 2021-08-16 | 2021-10-29 | 株洲明鑫轨道装备科技有限公司 | Assembled ball valve structure mounted by eight screw rods and assembling method |
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Application publication date: 20201027 |
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