CN113062996A - Anti-abrasion ball valve - Google Patents

Anti-abrasion ball valve Download PDF

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Publication number
CN113062996A
CN113062996A CN202110281201.3A CN202110281201A CN113062996A CN 113062996 A CN113062996 A CN 113062996A CN 202110281201 A CN202110281201 A CN 202110281201A CN 113062996 A CN113062996 A CN 113062996A
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CN
China
Prior art keywords
valve
valve body
ball
cavity
sides
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Granted
Application number
CN202110281201.3A
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Chinese (zh)
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CN113062996B (en
Inventor
余忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jin Yu Copper Manufacturing Co.,Ltd. Ruichang City
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Ruichang Jinyu Copper Industry Manufacturing Co ltd
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Priority to CN202110281201.3A priority Critical patent/CN113062996B/en
Publication of CN113062996A publication Critical patent/CN113062996A/en
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Publication of CN113062996B publication Critical patent/CN113062996B/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
    • F16K5/0605—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
    • 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
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details
    • F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
    • F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
    • F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug

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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 a ball valve, in particular to an anti-abrasion ball valve. The utility model provides an abrasionproof ball valve that decreases, includes left valve body and right valve body, forms between left valve body and the right valve body and holds the cavity of valve ball, and the cavity internal symmetry is provided with the valve clack, and the inner cylinder sliding fit of valve clack and cavity, close end mutually supports mutually in the valve clack, forms a closed chamber between the valve clack, and the valve ball is located closed intracavity and offsets with closed intracavity wall. When switching on or when closing the water flow path of ball valve, at first need rotate the second portion of rotating, make the rolling disc rotate 90, and then push up the pole of buckling of both sides, make the piston move apart from, and then compress compression spring, the piston moves apart from makes the pressure in the hydraulic pressure chamber reduce, thereby make the valve clack separation open, then rotate first portion of rotating again and make the valve ball switch on or close rivers, the valve clack separation is opened and is rotated the valve ball again after breaking away from the contact with the valve ball, the effectual wearing and tearing that prevent the valve ball.

Description

Anti-abrasion ball valve
Technical Field
The invention relates to a ball valve, in particular to an anti-abrasion ball valve.
Background
In industrial or domestic infrastructure, media are usually conveyed by means of pipelines, which are regulated as a result of pressure or temperature changes, and regulating means, in particular ball valves, are used in the pipelines for regulating the flow in order to ensure optimum operating conditions and environmental safety. Ball valves are generally valves that use a ball with a circular passage as the opening and closing element, and the ball performs the opening and closing action with the rotation of the valve body. The ball valve has the advantages of small fluid resistance, simple structure, tightness, reliability, convenient operation, rapid opening and closing, wide application range and the like, and is widely applied to various departments of petroleum, chemical industry, power generation, paper making, atomic energy, aviation, rockets and the like, and daily life of people. However, in order to ensure that the internal leakage does not occur, the existing ball valve needs to tightly press the ball body, namely the valve ball closing member, on the valve seat during installation, the torque is large during opening and closing, and the ball body rubs with the valve seat during rotation, so that the valve ball is seriously abraded, the leakage is easily caused, the working reliability of the ball valve is reduced, and the service life of the ball valve is shortened.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an anti-abrasion ball valve, which comprises the steps of firstly rotating a second rotating part to enable a rotating disc to rotate 90 degrees, then ejecting bent rods on two sides to enable pistons to move away from each other, further compressing a compression spring, enabling the pressure in a hydraulic cavity to be reduced due to the fact that the pistons move away from each other, enabling a valve clack to be opened in a separated mode, then rotating a first rotating part to enable a valve ball to be conducted or cut off water flow, enabling the valve ball to rotate after the valve clack is opened in a separated mode and is separated from contact with the valve ball, and effectively preventing the valve ball from being.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an abrasion-proof ball valve, which comprises a left valve body and a right valve body, wherein a cavity for containing a valve ball is formed between the left valve body and the right valve body, first flow passages communicated with water pipes on two sides of the cavity are formed on two sides of the cavity, flanges for connecting with the water pipes are arranged on two sides of the ball valve, the axis of the flange is superposed with the axis of the first flow passage, the cavity is a cylindrical cavity, the first flow passages are formed on two sides of an inner cylindrical surface of the cavity, valve clacks are symmetrically arranged in the cavity, the valve clacks are in sliding fit with the inner cylindrical surface of the cavity, the close ends of the valve clacks are matched with each other, a closed cavity is formed between the valve clacks, the valve ball is positioned in the closed cavity and is abutted against the inner wall of the closed cavity, a second flow passage is formed on the axis of the valve ball, and two ends of the second flow passage penetrate through, the axis of the second flow passage is coincided with the axis of the first flow passage, hydraulic cavities are respectively arranged between the far ends of the valve clack and the two ends of the cavity, hydraulic liquid is filled in the hydraulic cavities, sliding cavities are respectively formed in the left valve body and the right valve body, one ends of the sliding cavities, which are close to the cavity, are communicated with the cavity, the axis of the sliding cavities is coincided with the axis of the cavity, pistons are all arranged in the sliding cavities in a sliding mode, compression springs are arranged between one ends, which are far away from the cavity, of the pistons and one ends, which are far away from the cavity, of the pistons, are respectively provided with a bending rod, and the bending rods respectively penetrate through the left valve body and the right valve body;
the left valve body and the right valve body form a valve body of the ball valve, an upper valve body is arranged on the valve body, a first rotating part penetrates through the upper valve body, the first rotating part penetrates through the upper valve body and the valve body from the upper part of the upper valve body to be matched with the valve ball, and the rotation of the first rotating part can drive the valve ball to rotate;
the upper valve body is rotatably provided with a rotating part;
the whole shape of the bending rod is 'n' -shaped rod, one end of the bending rod is connected with one end of the corresponding piston, the other end of the bending rod is located on two sides of the second rotating portion, the second rotating portion can be driven to be located on two sides of the second rotating portion, the bending rods move away from each other, and finally the valve clacks are separated.
As the further improvement of above-mentioned technical scheme, first rotation portion includes dwang, square and spanner, the dwang is followed pass on the last valve body go up the valve body with the valve body reaches to be seted up dodge the mouth on the valve clack, the dwang lower extreme is located on the valve ball, the dwang lower extreme is provided with the square, the square groove has been seted up on the valve ball, the square with the square groove cooperation, the dwang upper end articulates there is the spanner, the below bottom is provided with the pivot under the valve ball, the pivot stretches into the valve body and with valve body normal running fit.
As a further improvement of the above technical solution, the upper valve body is provided with a slide rail, the slide rail is provided with an annular chute, the second rotating portion includes a rotating disc, the rotating disc is sleeved on the slide rail in the annular chute, the rotating disc is in running fit in the annular chute, the rotating disc is of a symmetrical shape, the axis of the rotating disc coincides with the axis of the upper valve body, the longitudinal length of the rotating disc is greater than the transverse length of the rotating disc, the rotating disc is provided with a handle, and the longitudinal sides of the rotating disc can push the bending rods located at the two sides of the rotating portion to move away from each other.
As a further improvement of the technical scheme, grooves are formed in two longitudinal side walls of the rotating disc and matched with the upper ends of the bending rods positioned on two sides of the rotating disc, the end face of the upper end of each bending rod is an arc face, and each groove is an arc-shaped groove.
As a further improvement of the above technical scheme, guide blocks are arranged on both sides of the valve body, a connecting line between the guide blocks is perpendicular to an axis of the first flow channel, vertical sliding grooves are formed in one sides of the guide blocks, which are far away from the valve body, horizontal sliding grooves are formed in the upper ends of the guide blocks, and the bending rods located on the valve ball sequentially penetrate through the vertical sliding grooves and the horizontal sliding grooves from the lower ends of the bending rods to reach both sides of the second rotating portion.
As a further improvement of the technical scheme, the hydraulic fluid is hydraulic oil
The invention has the beneficial effects that: 1. when switching on or when closing the water flow path of ball valve, at first need rotate the second portion of rotating, make the rolling disc rotate 90, and then push up the pole of buckling of both sides, make the piston move apart from, and then compress compression spring, the piston moves apart from makes the pressure in the hydraulic pressure chamber reduce, thereby make the valve clack separation open, then rotate first portion of rotating again and make the valve ball switch on or close rivers, the valve clack separation is opened and is rotated the valve ball again after breaking away from the contact with the valve ball, the effectual wearing and tearing that prevent the valve ball.
2. The recess and the terminal surface cooperation of the upper end of the pole of buckling for after the rolling disc rotated 90, the pole of buckling can block in the recess, can play the positioning action to pole 15 of buckling, need not use strength to keep the rolling disc to rotate the position after 90 when needs rotate the spanner, feasible operation is more convenient.
Drawings
Fig. 1 is a schematic perspective view of the ball valve of the present embodiment.
Fig. 2 is a top view of the ball valve of the present embodiment.
Fig. 3 is a cross-sectional view of the ball valve of fig. 2 taken along a horizontal centerline.
Fig. 4 is a cross-sectional view of the ball valve of fig. 2 taken along a vertical centerline.
Fig. 5 is a partial perspective view of fig. 3.
Fig. 6 is an exploded view of the valve flap and the valve ball of this embodiment.
Fig. 7 is an exploded view of the bending rod and the guide block according to the present embodiment.
Wherein the figures include the following reference numerals: 1. the valve comprises a left valve body, 101, a left chamber, 102, a right chamber, 2, a right valve body, 3, a first flow passage, 4, a valve clack, 41, a closed cavity, 42, an avoiding port, 43, a hydraulic cavity, 5, a valve ball, 51, a second flow passage, 52, a square groove, 6, a rotating shaft, 7, an upper valve body, 8, a rotating rod, 9, a square block, 10, a wrench, 11, a sliding cavity, 12, a piston, 13, compression springs 1401, 14, a guide block, a vertical sliding groove, 1402, a horizontal sliding groove, 15, a bent rod, 16, a sliding rail, 1601, an annular sliding groove, 17, a rotating disc, 1701, a groove, 18, a handle, 19 and a flange.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which presently preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for completeness and fully convey the scope of the invention to the skilled person.
As shown in figures 1-7, an anti-abrasion ball valve comprises a left valve body 1 and a right valve body 2, a cavity for containing a valve ball 5 is formed between the left valve body 1 and the right valve body 2, first flow channels 3 communicated with water pipes at two sides of the cavity are arranged at two sides of the cavity, flanges 19 for connecting with the water pipes are arranged at two sides of the ball valve, the axis of the flange 19 is coincided with the axis of the first flow channel 3, the cavity is a cylindrical cavity, the first flow channels 3 are arranged at two sides of the inner cylindrical surface of the cavity, valve flaps 4 are symmetrically arranged in the cavity, the valve flaps 4 are in sliding fit with the inner cylindrical surface of the cavity, the close ends of the valve flaps 4 are mutually matched, a closed cavity 41 is formed between the valve flaps 4, the valve ball 5 is positioned in the closed cavity 41 and is abutted against the inner wall of the closed cavity 41, a second flow channel 51 is arranged on the valve ball 5 along the axis, the axis of the second flow passage 51 is coincided with the axis of the first flow passage 3, the far ends of the valve clacks 4 are respectively provided with a hydraulic cavity 43 between the two ends of the cavity, the hydraulic cavities 43 are filled with hydraulic liquid, sliding cavities 11 are respectively arranged in the left valve body 1 and the right valve body 2, one ends, close to the cavity, of the sliding cavities 11 are communicated with the cavity, the axis of the sliding cavities 11 is coincided with the axis of the cavity, pistons 12 are all slidably arranged in the sliding cavities 11, compression springs 13 are respectively arranged between one ends, far away from the cavity, of the pistons 12 and one ends, far away from the cavity, of the corresponding sliding cavities 11, of the pistons 12, bending rods 15 are respectively arranged at one ends, far away from the cavity, of; the left valve body 1 and the right valve body 2 form a valve body of the ball valve, an upper valve body 7 is arranged on the valve body, a first rotating part penetrates through the upper valve body 7 from the upper valve body 7, the upper valve body 7 and the valve body are matched with the valve ball 5, and the valve ball 5 can be driven to rotate by the rotation of the first rotating part; the upper valve body 7 is rotatably provided with a rotating part; the whole shape of the bending rod 15 is n-shaped rod, one end of the bending rod 15 is connected with one end of the corresponding piston 12, the other end of the bending rod is located on two sides of the second rotating portion, the bending rod 15 located on two sides of the second rotating portion can be pushed to move away from each other by rotation of the second rotating portion, and finally the two valve clacks 4 are separated.
The ball valve is connected between water pipes through flanges 19 on two sides of the ball valve, water flows through the ball valve through the first flow passage 3 and the second flow passage 51, two sides of the valve ball 5 are supported by valve clacks 4 on two sides of the valve ball at the moment, the compression spring 13 acts on the piston 12, the piston 12 acts on hydraulic liquid in the hydraulic cavity 43, and therefore the hydraulic liquid presses the corresponding valve clack 4, the valve clacks 4 on two sides of the valve ball 5 tightly press the valve ball 5, the position of the valve ball is stable, and the situation that the valve ball 5 deviates to cause the opening degree of the ball valve to be reduced to influence the passing of the water flow is prevented.
When the ball valve is closed to stop water flow, the second rotating part is rotated by 90 degrees, the rotating part is enabled to jack up the bent rods 15 on two sides, the bent rods 15 are enabled to move away from each other, then the piston 12 is driven to move away from each other, further the compression spring 13 is compressed, the piston 12 moves away from each other, so that the pressure in the hydraulic cavity 43 is reduced, the valve clack 4 is enabled to be separated and opened, then the first rotating part is rotated to enable the valve ball 5 to be conducted or cut off water flow, the valve clack 4 is separated and opened to rotate the valve ball 5 after being separated from contact with the valve ball 5, and the abrasion of the valve ball 5 is effectively.
Further, first rotation portion includes dwang 8, square 9 and spanner 10, dwang 8 passes valve body 7 and valve body and sets up the mouth of dodging 42 on valve clack 4 from last valve body 7, dwang 8 lower extreme is located above valve ball 5, dwang 8 lower extreme is provided with square 9, square groove 52 has been seted up on the valve ball 5, square 9 and square groove 52 cooperation, dwang 8 upper end articulates there is spanner 10, be provided with pivot 6 under the valve ball 5, pivot 6 stretch into the valve body and with valve body normal running fit.
Use spanner 10 to rotate dwang 890 for dwang 8 drives the square 9 and rotates, and then drives valve ball 5 and rotates 90 around pivot 6, makes valve ball 5 seal the water runner of ball valve, and valve ball 5 rotates around pivot 6 to be favorable to making the rotation of valve ball 5 more stable, and can not take place the skew.
Further, be provided with slide rail 16 on the upper valve body 7, annular spout 1601 has been seted up on the slide rail 16, the second portion of rotating includes rolling disc 17, rolling disc 17 cover is in slide rail 16's annular spout 1601, rolling disc 17 normal running fit is in annular spout 1601, rolling disc 17 is the symmetry shape, the axis of rolling disc 17 and the coincidence of the axis of upper valve body 7, the longitudinal length of rolling disc 17 is greater than the horizontal length of rolling disc 17, be provided with handle 18 on the rolling disc 17, the longitudinal both sides of rolling disc 17 can push the pole 15 of buckling that is located the portion of rotating both sides and move from each other.
The handle 18 is held to rotate the rotary disc 1790 deg. so that the longitudinal sides of the rotary disc 17 push the bent levers 15 located at both sides of the rotating portion to move away from each other, thereby separating and opening the valve flap 4.
Further, grooves 1701 are formed on both side walls in the longitudinal direction of the rotating disc 17, the grooves 1701 are engaged with the upper ends of the bending rods 15 located on both sides of the rotating disc 17, the end surfaces of the upper ends of the bending rods 15 are arc surfaces, and the grooves 1701 are arc-shaped grooves 1701.
The groove 1701 is matched with the end face of the upper end of the bending rod 15, so that after the rotating disc 17 rotates for 90 degrees, the bending rod 15 can be clamped in the groove 1701, the bending rod 15 can be positioned, and when the wrench 10 needs to be rotated, the position of the rotating disc 17 after rotating for 90 degrees does not need to be maintained by using strength, so that the operation is more convenient.
Further, the two sides of the valve body are both provided with guide blocks 14, the connecting line between the guide blocks 14 is perpendicular to the axis of the first flow channel 3, one side of the guide block 14 away from the valve body is both provided with a vertical sliding groove 1401, the upper end of the guide block 14 is both provided with a horizontal sliding groove 1402, and the bending rod 15 located on the valve ball 5 sequentially penetrates through the vertical sliding groove 1401 and the horizontal sliding groove 1402 from the lower end of the bending rod to reach the two sides of the second rotating part.
The movement of the bending rod 15 moves in the sliding groove of the guide block 14, which is beneficial to the stability of the movement of the bending rod 15 and ensures the integrity of the ball valve.
Furthermore, the hydraulic liquid is hydraulic oil, and the hydraulic sealing performance of the hydraulic oil is used, so that the tightness of the ball valve is guaranteed.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (6)

1. The utility model provides a ball valve of abrasionproof decreases, includes left valve body and right valve body, left side valve body with form between the right valve body and hold the cavity of valve ball, the first runner of its both sides water pipe of intercommunication is seted up to the cavity both sides, the ball valve both sides all are provided with the flange that supplies water piping connection usefulness, the axis of flange and the axis coincidence of first runner, its characterized in that:
the cavity is a cylindrical cavity, the first flow channels are arranged on two sides of an inner cylindrical surface of the cavity, valve flaps are symmetrically arranged in the cavity, the valve flaps are in sliding fit with the inner cylindrical surface of the cavity, the close ends of the valve flaps are matched with each other, a closed cavity is formed between the valve flaps, the valve ball is positioned in the closed cavity and is abutted against the inner wall of the closed cavity, a second flow channel is arranged along the axis of the valve ball, two ends of the second flow channel penetrate through the valve flaps to be communicated with the first flow channels on two sides of the cavity, the axis of the second flow channel is overlapped with the axis of the first flow channel, hydraulic cavities are respectively arranged between the far ends of the valve flaps and two ends of the cavity, hydraulic liquid is filled in the hydraulic cavities, sliding cavities are respectively arranged in the left valve body and the right valve body, and one end, close to the cavity, of each sliding cavity is, the axis of the sliding cavity is coincident with the axis of the cavity, pistons are arranged in the sliding cavity in a sliding mode, compression springs are arranged between one end, away from the cavity, of each piston and one end, away from the cavity, of each corresponding sliding cavity, of each piston, a bending rod is arranged at one end, away from the cavity, of each piston, and each bending rod penetrates through the left valve body and the right valve body respectively;
the left valve body and the right valve body form a valve body of the ball valve, an upper valve body is arranged on the valve body, a first rotating part penetrates through the upper valve body, the first rotating part penetrates through the upper valve body and the valve body from the upper part of the upper valve body to be matched with the valve ball, and the rotation of the first rotating part can drive the valve ball to rotate;
the upper valve body is rotatably provided with a rotating part;
the whole shape of the bending rod is 'n' -shaped rod, one end of the bending rod is connected with one end of the corresponding piston, the other end of the bending rod is located on two sides of the second rotating portion, the second rotating portion can be driven to be located on two sides of the second rotating portion, the bending rods move away from each other, and finally the valve clacks are separated.
2. A wear resistant ball valve as claimed in claim 1, wherein:
first rotation portion includes dwang, square and spanner, the dwang is followed pass on the last valve body go up the valve body with the valve body and set up dodge the mouth on the valve clack, the dwang lower extreme is located on the valve ball, the dwang lower extreme is provided with the square, the square groove has been seted up on the valve ball, the square with the square groove cooperation, the dwang upper end articulates there is the spanner, be provided with the pivot under the valve ball, the pivot stretches into the valve body and with valve body normal running fit.
3. A wear resistant ball valve as claimed in claim 2, wherein:
go up to be provided with the slide rail on the valve body, annular spout has been seted up on the slide rail, second rotation portion includes the rolling disc, the rolling disc cover is in the slide rail in the annular spout, rolling disc normal running fit is in the annular spout, the rolling disc is symmetrical shape, the axis of rolling disc with the axis coincidence of last valve body, the longitudinal length of rolling disc is greater than the transverse length of rolling disc, be provided with the handle on the rolling disc, the longitudinal both sides of rolling disc can promote to be located the rotation portion both sides the buckling rod removes from each other.
4. A wear resistant ball valve as claimed in claim 3, wherein:
the bending device is characterized in that grooves are formed in two longitudinal side walls of the rotating disc and matched with the upper ends of the bending rods positioned on two sides of the rotating disc, the end face of the upper end of each bending rod is an arc face, and each groove is an arc-shaped groove.
5. A wear resistant ball valve as claimed in claim 4, wherein:
the valve ball bending device comprises a valve body, wherein guide blocks are arranged on two sides of the valve body, a connecting line between the guide blocks is perpendicular to the axis of a first flow channel, vertical sliding grooves are formed in one sides, far away from the valve body, of the guide blocks, horizontal sliding grooves are formed in the upper ends of the guide blocks, and the bending rods located on the valve ball sequentially penetrate through the vertical sliding grooves and the horizontal sliding grooves from the lower ends of the bending rods to reach two sides of a second rotating portion.
6. A wear resistant ball valve as claimed in claim 5, wherein:
the hydraulic fluid is hydraulic oil.
CN202110281201.3A 2021-03-16 2021-03-16 Anti-abrasion ball valve Active CN113062996B (en)

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Application Number Priority Date Filing Date Title
CN202110281201.3A CN113062996B (en) 2021-03-16 2021-03-16 Anti-abrasion ball valve

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Application Number Priority Date Filing Date Title
CN202110281201.3A CN113062996B (en) 2021-03-16 2021-03-16 Anti-abrasion ball valve

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CN113062996A true CN113062996A (en) 2021-07-02
CN113062996B CN113062996B (en) 2022-09-13

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CA1261311A (en) * 1984-08-03 1989-09-26 Alfred Hirtz Blinding device for liquid carrying conduit
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB795216A (en) * 1956-02-24 1958-05-21 Neue Argus Gmbh Shut-off cock with annular piston sealing means
DE2344693A1 (en) * 1973-09-05 1975-03-13 Boge Gmbh Hydraulic damper for vehicle suspension - is hydraulic piston and cylinder with one way ball valve for differential operation
EP0116530A1 (en) * 1983-02-14 1984-08-22 Fisher Controls International, Inc. Cam valve self-centering seat
CA1261311A (en) * 1984-08-03 1989-09-26 Alfred Hirtz Blinding device for liquid carrying conduit
US4700924A (en) * 1986-10-06 1987-10-20 Vetco Gray, Inc. Pressure energized rotary hydraulic seal
CN201330864Y (en) * 2008-12-05 2009-10-21 北京市阀门总厂(集团)有限公司 Metal hard seal ball valve provided with flexible sealing system
CN201772093U (en) * 2010-06-17 2011-03-23 正光阀门集团有限公司 Piston-propelled non-abrasion ball valve
CN202834163U (en) * 2012-10-23 2013-03-27 浙江超达阀门股份有限公司 Pneumatic ball valve with reliable seal and small opening-closing torque
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CN211901655U (en) * 2020-03-27 2020-11-10 上海欧特莱阀门机械有限公司 Novel eccentric rotary ball valve with bidirectional seal
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