CN107269878B - Self-supporting V-shaped control ball valve - Google Patents
Self-supporting V-shaped control ball valve Download PDFInfo
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- CN107269878B CN107269878B CN201710646192.7A CN201710646192A CN107269878B CN 107269878 B CN107269878 B CN 107269878B CN 201710646192 A CN201710646192 A CN 201710646192A CN 107269878 B CN107269878 B CN 107269878B
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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
- F16K5/0605—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 with particular plug arrangements, e.g. particular shape or built-in means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K39/00—Devices for relieving the pressure on the sealing faces
- F16K39/06—Devices for relieving the pressure on the sealing faces for taps or cocks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to the technical field of ball valves, and aims to solve the problems that in the prior art, in the use process of a V-shaped ball valve, the pressure difference between the front and the rear of the valve is overlarge, the valve is seriously eroded, the noise is overlarge, and the requirement of a user cannot be met. The piston of the self-standing control mechanism of the self-standing V-shaped control ball valve is slidably connected in the shell, and the elastic piece is sleeved on the outer circumferential surface of a piston rod of the piston; one end of the shell, which is far away from the piston rod, is connected with the valve body; wherein, the through hole that the intercommunication held the chamber is seted up to the casing. When the valve plate is opened, the piston can automatically compress the elastic piece according to the front-rear pressure difference of the valve plate, so that fluid medium flows out through the through hole, pressure relief is realized, the front-rear pressure difference of the valve plate is reduced, and noise is reduced. The self-supporting V-shaped control ball valve provided by the invention can effectively overcome the phenomenon that the small opening noise is large and the self-supporting V-shaped control ball valve cannot be used due to too large pressure difference; but also can meet the accurate adjustment of the valve in small opening.
Description
Technical Field
The invention relates to the technical field of ball valves, in particular to a self-supporting V-shaped control ball valve.
Background
The existing V-shaped ball valve belongs to a fixed ball valve and also belongs to a single valve seat sealing ball valve, the adjustment performance is the best in the ball valve, the flow characteristic is equal percentage, and the adjustable ratio reaches 100:1. The V-shaped notch has shearing action with the metal valve seat, and is suitable for medium containing fiber, tiny solid particles, slurry and the like. So the use of V type ball valve is comparatively common, but current V type ball valve is in the use, and pressure differential is too big around the valve, and the valve erodes seriously, and the noise is too big, can't satisfy user's demand.
Disclosure of Invention
The invention aims to provide a self-supporting V-shaped control ball valve, which solves the problems that in the prior art, the pressure difference between the front and the back of the valve is overlarge, the valve is seriously scoured, the noise is overlarge and the requirement of a user cannot be met in the use process of the V-shaped ball valve.
Embodiments of the present invention are implemented as follows:
a self-standing V-shaped control ball valve comprises a valve body, wherein the valve body is provided with a containing cavity and a valve port communicated with the containing cavity and the outside. The valve plate is arranged in the accommodating cavity, and a V-shaped opening is formed in the edge of the valve plate; the valve plate is connected with a valve rod penetrating through the side wall of the valve body, one end of the valve rod is connected with the valve plate, and the other end of the valve rod extends out of the accommodating cavity; one side of the valve plate, which is far away from the valve rod, is connected with a first shaft sleeve, and the valve body is provided with a rotating shaft matched with the first shaft sleeve; the valve rod is used for driving the valve plate to open or close the valve port. The self-standing control mechanism is arranged opposite to the valve port and comprises a shell, a piston and an elastic piece; the piston is slidably connected in the shell, and the end part of a piston rod of the piston penetrates through the shell and stretches into the accommodating cavity; the elastic piece is sleeved on the outer circumferential surface of the piston rod of the piston; one end of the shell, which is far away from the piston rod, is connected with the valve body. Wherein, the through hole that the intercommunication held the chamber is seted up to the casing.
The self-standing V-shaped control ball valve provided by the embodiment of the invention comprises a valve body, a valve plate and a self-standing control mechanism which is arranged opposite to the valve port, wherein the edge of the valve plate is provided with a V-shaped port, so that the accurate adjustment of the valve in small opening can be satisfied. The piston of the self-supporting control mechanism is slidably connected in the shell, and the end part of the piston rod of the piston penetrates through the shell and stretches into the accommodating cavity; the elastic piece is sleeved on the outer circumferential surface of the piston rod of the piston; one end of the shell, which is far away from the piston rod, is connected with the valve body; wherein, the through hole that the intercommunication held the chamber is seted up to the casing. When the valve plate is opened, the piston can automatically compress the elastic piece according to the front-rear pressure difference of the valve plate, so that fluid medium flows out through the through hole, pressure relief is realized, the front-rear pressure difference of the valve plate is reduced, and noise is reduced. Therefore, the self-standing V-shaped control ball valve provided by the embodiment of the invention can effectively overcome the phenomenon that the small opening noise is large and the self-standing V-shaped control ball valve cannot be used due to too large pressure difference; but also can meet the accurate adjustment of the valve in small opening.
In one embodiment of the invention:
the axis of the through hole is perpendicular to the axis of the valve port.
In one embodiment of the invention:
the elastic piece is arranged as a spring, and the spring is connected with the shell through a spring seat.
In one embodiment of the invention:
a nut and a washer are sleeved at the end part of the piston rod close to the piston.
In one embodiment of the invention:
a gap is arranged between the piston handle of the piston and the inner wall of the shell.
In one embodiment of the invention:
the valve body is provided with a valve seat around the valve port; the junction of disk seat and casing is provided with first sealing member.
In one embodiment of the invention:
and an arc surface matched with the outer circumferential surface of the valve plate is arranged at the position, close to the valve plate, of the valve seat.
In one embodiment of the invention:
a bottom cover is arranged at one end of the valve body, which is close to the rotating shaft; the joint of the bottom cover and the valve body is provided with a second sealing piece.
In one embodiment of the invention:
a second sleeve is sleeved at the joint of the valve rod and the valve body, and the second sleeve is provided with a first end and a second end opposite to the first end; the first end and the second end are both provided with fillers, a filler seat for receiving the fillers is arranged near the first end, and a filler gland for compressing the fillers is arranged near the second end; a packing pressing plate is arranged close to the packing gland and is connected with the valve body.
In one embodiment of the invention:
the packing pressing plate is connected with the valve body through a double-end stud nut.
The embodiment of the invention has the beneficial effects that:
the self-standing V-shaped control ball valve provided by the embodiment of the invention comprises a valve body, a valve plate and a self-standing control mechanism which is arranged opposite to the valve port, wherein the edge of the valve plate is provided with a V-shaped port, so that the accurate adjustment of the valve in small opening can be satisfied. The piston of the self-supporting control mechanism is slidably connected in the shell, and the end part of the piston rod of the piston penetrates through the shell and stretches into the accommodating cavity; the elastic piece is sleeved on the outer circumferential surface of the piston rod of the piston; one end of the shell, which is far away from the piston rod, is connected with the valve body; wherein, the through hole that the intercommunication held the chamber is seted up to the casing. When the valve plate is opened, the piston can automatically compress the elastic piece according to the front-rear pressure difference of the valve plate, so that fluid medium flows out through the through hole, pressure relief is realized, the front-rear pressure difference of the valve plate is reduced, and noise is reduced. Therefore, the self-standing V-shaped control ball valve provided by the embodiment of the invention can effectively overcome the phenomenon that the small opening noise is large and the self-standing V-shaped control ball valve cannot be used due to too large pressure difference; but also can meet the accurate adjustment of the valve in small opening.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a free-standing V-shaped control ball valve according to an embodiment of the present invention at a first viewing angle at full closure;
FIG. 2 is a schematic view of the overall structure of a free-standing V-shaped control ball valve according to an embodiment of the present invention at a first viewing angle when fully open;
FIG. 3 is a schematic view of the overall structure of the free-standing V-shaped control ball valve according to the embodiment of the present invention at a second viewing angle at full closure;
fig. 4 is a schematic view of the overall structure of the free-standing V-shaped control ball valve according to the embodiment of the present invention at a second viewing angle when fully opened.
Icon: 10-self-standing V-shaped control ball valve; 100-valve body; 110-a receiving cavity; 120-valve port; 122-valve seat; 1222-arc surface; 123-pressing ring; 124-a first seal; 130-a rotating shaft; 140-bottom cover; 142-bolts; 150-a second seal; 160-a second sleeve; 162-first end; 163-a filler holder; 164-a second end; 165-packing gland; 166-filler; 167-packing press plate; 168-stud nuts; 200-valve plate; 210-V-shaped mouth; 220-valve stem; 230-a first sleeve; 300-a free-standing control mechanism; 310-a housing; 312-through holes; 320-piston; 322-nut; 324-washers; 330-elastic member.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of 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 apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper," "lower," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like in the description of the present invention, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.
In the description of the embodiments of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the two components can be mechanically connected, can be directly connected or can be indirectly connected through an intermediate medium, and can be communicated with each other. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
Fig. 1 is a schematic diagram of the overall structure of a free-standing V-shaped control ball valve 10 according to an embodiment of the present invention at a first viewing angle when the free-standing V-shaped control ball valve 10 is fully closed, and fig. 2 is a schematic diagram of the overall structure of the free-standing V-shaped control ball valve 10 according to an embodiment of the present invention at a first viewing angle when the free-standing V-shaped control ball valve 10 is fully opened. Referring to fig. 1 in combination with fig. 2, the present embodiment provides a self-standing V-shaped control ball valve 10, which includes a valve body 100, wherein the valve body 100 is provided with a receiving chamber 110 and a valve port 120 communicating the receiving chamber 110 with the outside. Valve plate 200, valve plate 200 is set up in holding cavity 110, the edge of valve plate 200 has V-shaped mouth 210; valve plate 200 is connected with valve rod 220 penetrating through the side wall of valve body 100, one end of valve rod 220 is connected with valve plate 200, and the other end extends out of accommodating cavity 110; a first shaft sleeve 230 is connected to one side of the valve plate 200 away from the valve rod 220, and the valve body 100 is provided with a rotating shaft 130 matched with the first shaft sleeve 230; valve stem 220 is used to actuate valve plate 200 to open or close valve port 120. A self-standing control mechanism 300 disposed opposite the valve port 120, the self-standing control mechanism 300 comprising a housing 310, a piston 320, and an elastic member 330; the piston 320 is slidably connected in the housing 310, and an end of a piston 320 rod of the piston 320 extends into the accommodating chamber 110 through the housing 310; the elastic piece 330 is sleeved on the outer circumferential surface of the piston 320 rod of the piston 320; the end of the housing 310 remote from the stem of the piston 320 is connected to the valve body 100. Wherein, the housing 310 is provided with a through hole 312 communicating with the accommodating chamber 110.
Fig. 3 is a schematic diagram of the overall structure of the free-standing V-shaped control ball valve 10 according to the embodiment of the present invention at the second viewing angle when the free-standing V-shaped control ball valve 10 is fully closed, and fig. 4 is a schematic diagram of the overall structure of the free-standing V-shaped control ball valve 10 according to the embodiment of the present invention at the second viewing angle when the free-standing V-shaped control ball valve 10 is fully opened. Referring to fig. 3 in combination with fig. 4, alternatively, in the present embodiment, valve plate 200 is connected to valve stem 220 in an involute manner.
In this embodiment, the axis of the through hole 312 is perpendicular to the axis of the valve port 120. The axial line of the through hole 312 is perpendicular to the axial line of the valve port 120, so that the flowing direction of the fluid medium can be effectively changed, the pressure release effect is further enhanced, and the purpose of secondary pressure release is achieved.
In this embodiment, the axis of the through hole 312 is perpendicular to the axis of the valve port 120, so that the flow direction of the fluid medium can be effectively changed, and the pressure release effect is enhanced, thereby achieving the purpose of secondary pressure release. It will be appreciated that in other embodiments, the through-hole 312 and the valve port 120 may be disposed in other positional relationships according to the needs of the user.
Alternatively, the through holes 312 are arranged in a linear proportion, so that not only can the flow rate be regulated, but also the purpose of depressurization can be achieved.
Alternatively, in the present embodiment, the elastic member 330 is provided as a spring, which is connected to the housing 310 through a spring seat.
In this embodiment, a nut 322 and a washer 324 are sleeved on the end of the piston 320 rod near the piston 320. A nut 322 and a washer 324 are fitted over the end of the rod 320, so that the piston 320 is effectively prevented from coming out of the housing 310 of the self-standing control mechanism 300 when the medium is reversed.
In the present embodiment, the end of the piston 320 is sleeved with the nut 322 and the washer 324, so that the piston 320 is effectively prevented from being separated from the housing 310 of the self-standing control mechanism 300 when the medium is reversed. It will be appreciated that in other embodiments, the piston 320 may be prevented from disengaging from the housing 310 of the free-standing control mechanism 300 by providing other structures, as desired by the user.
In the present embodiment, a gap (not shown) is provided between the stem of the piston 320 and the inner wall of the housing 310. A gap is provided between the piston 320 stem of the piston 320 and the inner wall of the housing 310 to facilitate pressure relief of the counterflow fluid medium at any time.
In this embodiment, a gap is provided between the piston 320 handle of the piston 320 and the inner wall of the housing 310, so that the countercurrent fluid medium is conveniently depressurized at any time. It will be appreciated that in other embodiments, other structures may be configured to implement pressure relief of the counterflow fluid medium at any time according to the needs of the user.
In this embodiment, the valve body 100 is provided with a valve seat 122 around the valve port 120; the junction of the valve seat 122 and the housing 310 is provided with a first seal 124. The first sealing member 124 is provided at the junction of the valve seat 122 and the housing 310, and thus the leakage of the medium from the gap between the valve seat 122 and the valve body 100 can be effectively prevented.
In the present embodiment, the first sealing member 124 is disposed at the connection portion between the valve seat 122 and the housing 310, so that leakage of the medium from the gap between the valve seat 122 and the valve body 100 can be effectively prevented. It will be appreciated that in other embodiments, the first seal 124 may not be provided, as desired by the user.
In the present embodiment, the valve seat 122 is provided with an arc surface 1222 that mates with the outer peripheral surface of the valve plate 200 near the valve plate 200. The circular arc surface 1222 matched with the outer circumferential surface of the valve plate 200 is arranged at the position of the valve seat 122 close to the valve plate 200, so that the valve seat 122 and the valve plate 200 can form a sealing surface in a spherical surface manner, and the sealing between the valve seat 122 and the valve plate 200 is effectively realized.
In the present embodiment, the circular arc surface 1222 matching with the outer circumferential surface of the valve plate 200 is provided at the position of the valve seat 122 close to the valve plate 200, so that the valve seat 122 and the valve plate 200 can form a sealing surface, and the sealing between the valve seat 122 and the valve plate 200 can be effectively realized. It will be appreciated that in other embodiments, the seal between valve seat 122 and valve plate 200 may be achieved in other ways, depending on the needs of the user.
Alternatively, in the present embodiment, the outer end of the valve seat 122 is provided with a pressing ring 123, and the pressing ring 123 is screwed with the valve body 100.
In the present embodiment, a bottom cover 140 is disposed at one end of the valve body 100 near the rotation shaft 130; a second seal 150 is provided at the junction of the bottom cover 140 and the valve body 100. The second seal 150 is provided to secure sealability between the bottom cover 140 and the valve body 100.
In the present embodiment, the second sealing member 150 is provided to ensure the sealing property between the bottom cover 140 and the valve body 100. It will be appreciated that in other embodiments, the second seal 150 may not be provided, as desired by the user.
Optionally, in the present embodiment, the second seal 150 is provided as an elastically wound pad.
Alternatively, in the present embodiment, the bottom cover 140 is coupled to the valve body 100 by bolts 142.
In this embodiment, the valve rod 220 is connected to the valve body 100 by a second sleeve 160, and the second sleeve 160 has a first end 162 and a second end 164 opposite thereto; the first end 162 and the second end 164 are each provided with a packing 166, a packing seat 163 for receiving the packing 166 is provided adjacent the first end 162, and a packing gland 165 for compressing the packing 166 is provided adjacent the second end 164; a packing platen 167 is disposed adjacent the packing gland 165, the packing platen 167 being connected to the valve body 100. The provision of the packing 166 effectively ensures tightness of the connection between the valve stem 220 and the valve body 100, the provision of the packing gland 165 effectively secures the packing 166, and the provision of the packing seat 163 for receiving the packing 166.
In this embodiment, the packing 166 may effectively ensure the tightness of the connection between the valve stem 220 and the valve body 100. It will be appreciated that in other embodiments, the filler 166 may not be provided as desired by the user.
Optionally, in this embodiment, the packing platen 167 is connected to the valve body 100 by a stud nut 168.
The self-standing type V-shaped control ball valve 10 provided by the embodiment of the invention comprises a valve body 100, a valve plate 200 and a self-standing type control mechanism 300 which is arranged opposite to a valve port 120, wherein the edge of the valve plate 200 is provided with a V-shaped port 210, so that the valve can be accurately adjusted when the opening degree is small. The piston 320 of the free-standing control mechanism 300 is slidably connected in the housing 310, and the end of the piston 320 rod of the piston 320 extends into the accommodating chamber 110 through the housing 310; the elastic piece 330 is sleeved on the outer circumferential surface of the piston 320 rod of the piston 320; the end of the housing 310 away from the stem of the piston 320 is connected to the valve body 100; wherein, the housing 310 is provided with a through hole 312 communicating with the accommodating chamber 110. When the valve plate 200 is opened, the piston 320 automatically compresses the elastic member 330 according to the front-rear pressure difference of the valve plate 200, so that the fluid medium flows out through the through hole 312, and further pressure relief is realized, the front-rear pressure difference of the valve plate 200 is reduced, and noise is reduced. Therefore, the self-standing V-shaped control ball valve 10 provided by the embodiment of the invention can effectively overcome the phenomenon that the small opening noise is large and the self-standing V-shaped control ball valve cannot be used due to the too large pressure difference; but also can meet the accurate adjustment of the valve in small opening.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A free-standing V-control ball valve, comprising:
the valve body is provided with a containing cavity and a valve port communicated with the containing cavity and the outside;
the valve plate is arranged in the accommodating cavity, and a V-shaped opening is formed in the edge of the valve plate; the valve plate is connected with a valve rod penetrating through the side wall of the valve body, one end of the valve rod is connected with the valve plate, and the other end of the valve rod extends out of the accommodating cavity; one side of the valve plate, which is far away from the valve rod, is connected with a first shaft sleeve, and the valve body is provided with a rotating shaft matched with the first shaft sleeve; the valve rod is used for driving the valve plate to open or close the valve port;
the self-standing control mechanism is arranged opposite to the valve port and comprises a shell, a piston and an elastic piece; the piston is slidably connected in the shell, and the end part of a piston rod of the piston penetrates through the shell and stretches into the accommodating cavity; the elastic piece is sleeved on the outer circumferential surface of a piston rod of the piston; one end of the shell, which is far away from the piston rod, is connected with the valve body;
wherein, the through hole that the intercommunication held the chamber is seted up to the casing.
2. The free-standing V-control ball valve of claim 1, wherein:
the axis of the through hole is perpendicular to the axis of the valve port.
3. The free-standing V-control ball valve of claim 1, wherein:
the elastic piece is arranged as a spring, and the spring is connected with the shell through a spring seat.
4. The free-standing V-control ball valve of claim 1, wherein:
and a nut and a gasket are sleeved at the end part of the piston rod close to the piston.
5. The free-standing V-control ball valve of claim 1, wherein:
a gap is arranged between the piston handle of the piston and the inner wall of the shell.
6. The free-standing V-control ball valve of claim 1, wherein:
a valve seat is arranged at the position of the valve body surrounding the valve port; a first sealing piece is arranged at the joint of the valve seat and the shell.
7. The free-standing V-shaped control ball valve of claim 6, wherein:
and an arc surface matched with the outer circumferential surface of the valve plate is arranged at the position, close to the valve plate, of the valve seat.
8. The free-standing V-control ball valve of claim 1, wherein:
a bottom cover is arranged at one end, close to the rotating shaft, of the valve body; and a second sealing piece is arranged at the joint of the bottom cover and the valve body.
9. The utility model provides a self-supporting V type control ball valve which characterized in that:
the valve body is provided with a containing cavity and a valve port communicated with the containing cavity and the outside;
the valve plate is arranged in the accommodating cavity, and a V-shaped opening is formed in the edge of the valve plate; the valve plate is connected with a valve rod penetrating through the side wall of the valve body, one end of the valve rod is connected with the valve plate, and the other end of the valve rod extends out of the accommodating cavity; one side of the valve plate, which is far away from the valve rod, is connected with a first shaft sleeve, and the valve body is provided with a rotating shaft matched with the first shaft sleeve; the valve rod is used for driving the valve plate to open or close the valve port;
the self-standing control mechanism is arranged opposite to the valve port and comprises a shell, a piston and an elastic piece; the piston is slidably connected in the shell, and the end part of a piston rod of the piston penetrates through the shell and stretches into the accommodating cavity; the elastic piece is sleeved on the outer circumferential surface of a piston rod of the piston; one end of the shell, which is far away from the piston rod, is connected with the valve body; wherein, the shell is provided with a through hole communicated with the accommodating cavity;
a second sleeve is sleeved at the joint of the valve rod and the valve body, and the second sleeve is provided with a first end and a second end opposite to the first end; the first end and the second end are both provided with a filler, a filler seat for receiving the filler is arranged near the first end, and a filler gland for compressing the filler is arranged near the second end; and a packing pressing plate is arranged close to the packing gland and is connected with the valve body.
10. The free-standing V-shaped control ball valve of claim 9, wherein:
the packing pressing plate is connected with the valve body through a double-end stud nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710646192.7A CN107269878B (en) | 2017-08-01 | 2017-08-01 | Self-supporting V-shaped control ball valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710646192.7A CN107269878B (en) | 2017-08-01 | 2017-08-01 | Self-supporting V-shaped control ball valve |
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| Publication Number | Publication Date |
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| CN107269878A CN107269878A (en) | 2017-10-20 |
| CN107269878B true CN107269878B (en) | 2023-06-30 |
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| CN103542153A (en) * | 2013-10-30 | 2014-01-29 | 杭州春江阀门有限公司 | Overpressure prevention pressure-relief valve |
| CN204083334U (en) * | 2014-09-28 | 2015-01-07 | 宁夏富隆德流体科技有限公司 | V-type regulates ball valve |
| CN105508627A (en) * | 2015-12-24 | 2016-04-20 | 华中科技大学 | High-pressure pipeline manual balance type valve |
| CN207018566U (en) * | 2017-08-01 | 2018-02-16 | 无锡斯沃特流体控制技术有限公司 | Self-supporting V-type controls ball valve |
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| CN107269878A (en) | 2017-10-20 |
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