CN114508605A - Ball valve capable of adjusting opening caliber of ball body - Google Patents

Ball valve capable of adjusting opening caliber of ball body Download PDF

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Publication number
CN114508605A
CN114508605A CN202210073552.XA CN202210073552A CN114508605A CN 114508605 A CN114508605 A CN 114508605A CN 202210073552 A CN202210073552 A CN 202210073552A CN 114508605 A CN114508605 A CN 114508605A
Authority
CN
China
Prior art keywords
valve
ball
flange
rod
ball valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202210073552.XA
Other languages
Chinese (zh)
Inventor
林超
张海兰
金瑞建
李平
周财慈
葛志克
胡道忠
叶迅良
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.)
Zhejiang Bertley Technology Co ltd
Original Assignee
Zhejiang Bertley Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Bertley Technology Co ltd filed Critical Zhejiang Bertley Technology Co ltd
Priority to CN202210073552.XA priority Critical patent/CN114508605A/en
Publication of CN114508605A publication Critical patent/CN114508605A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
    • F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/60—Handles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0008—Mechanical means
    • F16K37/0016—Mechanical means having a graduated scale
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Taps Or Cocks (AREA)

Abstract

The invention discloses a ball valve capable of adjusting the opening aperture of a ball body, which belongs to the field of ball valves and comprises a valve body, wherein a valve cavity is arranged in the valve body, a valve ball is arranged in the valve cavity, a through hole is formed in the valve ball, a closing plate is arranged in the through hole, a valve rod is arranged on the valve ball, an inner rod is arranged in the valve rod, a rotary disc is arranged at the upper end of the inner rod, angle scales are arranged on the rotary disc, the valve rod drives the valve ball to rotate by rotating a valve handle, the communication and the blockage of the valve body are realized, the inner rod drives the closing plate to synchronously rotate in the through hole by matching of a T-shaped clamping block and a rotating shaft, the adjustment of the opening aperture of the valve ball is realized, the rotating angle of the closing plate can be judged and adjusted by the angle scales, the flow of fluid flowing through the valve body is further controlled, the accuracy of the ball valve is improved, and the waste is avoided.

Description

Ball valve capable of adjusting opening aperture of ball body
Technical Field
The invention relates to the field of ball valves, in particular to a ball valve capable of adjusting the opening aperture of a ball body.
Background
The ball valve is a valve in which an opening and closing part (a ball body) is driven by a valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like.
In the prior art, the ball valve can not adjust the aperture of the opening of the ball body, so that the water yield of the ball valve is too large, waste is caused, and the practicability is reduced. Therefore, those skilled in the art have provided a ball valve capable of adjusting the opening diameter of the ball body to solve the above problems in the background art.
Disclosure of Invention
The invention aims to provide a ball valve capable of adjusting the opening aperture of the ball body so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a can carry out ball valve adjusted to sphere opening bore, includes the valve body, be provided with the valve pocket in the valve body, be provided with the valve ball in the valve pocket, be provided with the through-hole in the valve ball, be provided with the closure plate in the through-hole, be provided with the valve rod on the valve ball, be provided with interior pole in the valve rod, interior pole upper end is provided with the carousel, be provided with the angle scale on the carousel.
As a further scheme of the invention: be provided with the fixing base on the valve body, be provided with the valve gap on the fixing base, the valve gap passes through fixing bolt and fixing base fixed connection, during the use, twists fixing bolt, makes the valve gap open, is convenient for valve body later stage and overhauls.
As a still further scheme of the invention: the fixing base is internally provided with a limiting groove, the limiting groove is internally provided with a protection pad, the upper end of the protection pad is provided with a limiting ring, the valve rod penetrates through the fixing base and the limiting ring and is fixedly connected with the limiting ring, during use, abrasion between the limiting ring and the limiting groove is reduced through the protection pad, the limiting ring can prevent the valve rod from shifting in the fixing base during rotation, and the stability of the valve rod is improved.
As a still further scheme of the invention: the valve ball opening caliber adjusting device is characterized in that a T-shaped clamping block is arranged at the upper end of the closing plate, the closing plate is fixedly connected with the inner rod through the T-shaped clamping block, a rotating shaft is arranged at the lower end of the closing plate, a bearing is arranged at the outer end of the rotating shaft, and the inner rod drives the closing plate to synchronously rotate in the through hole through the matching of the T-shaped clamping block and the rotating shaft during use, so that the opening caliber of the valve ball is adjusted.
As a still further scheme of the invention: the valve ball sealing structure is characterized in that sealing rings are arranged at the upper end and the lower end of the valve cavity, the valve rod penetrates through the fixing seat to be rotatably connected with the valve ball, and when the valve ball sealing structure is used, the sealing rings can enhance the sealing performance between the valve ball and the valve cavity and play a role in leakage prevention.
As a still further scheme of the invention: the valve rod upper end is provided with the valve handle, the valve rod is provided with a plurality of lugs with the valve handle junction, the valve handle rear end is provided with the antiskid cover, during the use, can increase the frictional force between hand and the valve handle through the antiskid cover, plays the guard action to the hand when avoiding skidding.
As a still further scheme of the invention: both ends all are provided with the connecting pipe about the valve body, every the connecting pipe outside all is provided with first flange, every the first flange outside all is provided with the second flange, all installs the filter screen in every first flange, during the use, filters the purification to the fluid of business turn over valve body through the filter screen, avoids the fluid to contain impurity jam valve body, and through first flange and second flange convenient to detach and installation filter screen.
As a still further scheme of the invention: every first flange all is provided with the leak protection pad with the second flange inboard, the leak protection pad is the rubber material, during the use, seals first flange and second flange junction through the leak protection pad, can avoid the valve body installation back, and its junction is revealed.
As a still further scheme of the invention: every the second flange outside all is provided with the go-between, every all be provided with the joint in the go-between, every the joint surface all is provided with the screw thread, every all be provided with two draw-in grooves in the joint, when the pipeline is connected with the valve body, through the cooperation of draw-in groove and screw thread, make the spacing concatenation of pipeline and joint to use the retaining ring fixed, can prevent that the pipeline from droing, improved its practicality.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the valve ball opening caliber adjusting device, the valve handle is rotated, the valve rod drives the valve ball to rotate, the valve body is communicated and blocked, the inner rod drives the closing plate to synchronously rotate in the through hole through the matching of the T-shaped clamping block and the rotating shaft through the manual rotating disc, the opening caliber of the valve ball is adjusted, the rotating angle of the closing plate can be judged and adjusted through the angle scale, the flow of fluid flowing through the valve body is controlled, the accuracy of the valve body is improved, and waste is avoided.
2. According to the invention, the fluid entering and exiting the valve body is filtered and purified through the filter screen, the valve body is prevented from being blocked by impurities contained in the fluid, the leakage-proof pad is made of rubber, the joint of the first flange and the second flange is sealed through the leakage-proof pad, the leakage of the joint after the valve body is installed can be avoided, when the pipeline is connected with the valve body, the pipeline is in limited splicing with the joint through the matching of the clamping groove and the thread, and the pipeline is fixed by using the fixing ring, so that the pipeline can be prevented from falling off, and the practicability is improved.
3. According to the invention, the friction force between the hand and the valve handle can be increased through the anti-slip sleeve, the hand is protected while slipping is avoided, abrasion between the limiting ring and the limiting groove is reduced through the protection pad, the valve rod can be prevented from shifting when rotating in the fixing seat through the limiting ring, and the stability of the valve rod is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;
FIG. 3 is an exploded view of the valve body of the present invention;
FIG. 4 is a schematic sectional view of the valve body according to the present invention;
FIG. 5 is an enlarged view of the structure B in FIG. 4 according to the present invention.
In the figure: 1. a valve body; 2. a valve cavity; 3. a valve ball; 4. a through hole; 5. a closing plate; 501. a T-shaped fixture block; 502. a rotating shaft; 503. a bearing; 6. a valve stem; 601. a valve handle; 602. a bump; 603. an anti-slip sleeve; 7. an inner rod; 701. a turntable; 702. Angle scales; 8. a fixed seat; 801. a limiting groove; 802. a protection pad; 803. a limiting ring; 9. a valve cover; 10. a seal ring; 11. a connecting pipe; 12. a first flange; 13. a second flange; 14. a filter screen; 15. a leakage-proof pad; 16. a connecting ring; 17. a joint; 18. a thread; 19. a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments 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.
Referring to fig. 1 to 5, in the embodiment of the invention, a ball valve capable of adjusting an opening diameter of a ball body comprises a valve body 1, a valve cavity 2 is arranged in the valve body 1, a valve ball 3 is arranged in the valve cavity 2, a through hole 4 is arranged in the valve ball 3, a closing plate 5 is arranged in the through hole 4, a valve rod 6 is arranged on the valve ball 3, an inner rod 7 is arranged in the valve rod 6, a rotary disc 701 is arranged at the upper end of the inner rod 7, and angle scales 702 are arranged on the rotary disc 701.
When the valve is used, the fixing bolt is screwed, so that the valve cover 9 is opened, and the valve body 1 is convenient to overhaul at the later stage; a limit groove 801 is formed in the fixing seat 8, a protection pad 802 is arranged in the limit groove 801, a limit ring 803 is arranged at the upper end of the protection pad 802, the valve rod 6 penetrates through the fixing seat 8 and is fixedly connected with the limit ring 803, when the valve rod fixing device is used, abrasion between the limit ring 803 and the limit groove 801 is reduced through the protection pad 802, the valve rod 6 can be prevented from shifting when rotating in the fixing seat 8 through the limit ring 803, and the stability of the valve rod 6 is improved; when the valve ball 3 is used, the T-shaped fixture block 501 is matched with the rotating shaft 502 to enable the inner rod 7 to drive the closing plate 5 to synchronously rotate in the through hole 4, so that the opening aperture of the valve ball 3 is adjusted; the upper end and the lower end of the valve cavity 2 are respectively provided with a sealing ring 10, the valve rod 6 penetrates through the fixed seat 8 and is rotatably connected with the valve ball 3, and when the valve is used, the sealing rings 10 can enhance the sealing performance between the valve ball 3 and the valve cavity 2 and play a role in leakage prevention; the upper end of the valve rod 6 is provided with a valve handle 601, the joint of the valve rod 6 and the valve handle 601 is provided with a plurality of convex blocks 602, and the rear end of the valve handle 601 is provided with an anti-slip sleeve 603; the left end and the right end of the valve body 1 are respectively provided with a connecting pipe 11, the outer side of each connecting pipe 11 is provided with a first flange 12, the outer side of each first flange 12 is provided with a second flange 13, a filter screen 14 is arranged in each first flange 12, when the valve body is used, fluid entering and exiting the valve body 1 is filtered and purified through the filter screen 14, the valve body 1 is prevented from being blocked by impurities contained in the fluid, and the filter screen 14 is convenient to detach and install through the first flange 12 and the second flange 13; the inner sides of the first flange 12 and the second flange 13 are respectively provided with a leakage-proof pad 15, the leakage-proof pads 15 are made of rubber, when the valve body 1 is used, the joint of the first flange 12 and the second flange 13 is sealed through the leakage-proof pads 15, and the joint can be prevented from being leaked after the valve body 1 is installed; every second flange 13 outside all is provided with go-between 16, all is provided with in every go-between 16 and connects 17, and every connects 17 surface all to be provided with screw thread 18, all is provided with two draw-in grooves 19 in every connects 17, when the pipeline is connected with valve body 1, through the cooperation of draw-in groove 19 and screw thread 18, makes the pipeline and connects 17 spacing concatenation to it is fixed to use the retaining ring, can prevent that the pipeline from droing, has improved its practicality.
The working principle of the invention is as follows: when the valve ball sealing device is used, the valve handle 601 is rotated, the valve rod 6 drives the valve ball 3 to rotate, the valve body 1 is communicated and blocked, the manual rotating disc 701 enables the inner rod 7 to drive the closing plate 5 to synchronously rotate in the through hole 4 through the matching of the T-shaped clamping block 501 and the rotating shaft 502, the opening caliber of the valve ball 3 is adjusted, the rotating angle of the closing plate 5 can be judged and adjusted through the angle scale 702, the flow of fluid flowing through the valve body 1 is further controlled, the accuracy of the valve ball is improved, the friction force between a hand and the valve handle 601 can be increased through the anti-skidding sleeve 603, the hand is protected while skidding is avoided, the abrasion between the limiting ring 803 and the limiting groove 801 is reduced through the protecting pad 802, the valve rod 6 can be prevented from being deviated when rotating in the fixing seat 8 through the limiting ring 803, the stability of the valve rod 6 is improved, the sealing performance between the valve ball 3 and the valve cavity 2 can be enhanced through the sealing ring 10, play the effect of leak protection, when the pipeline is connected with valve body 1, cooperation through draw-in groove 19 and screw thread 18, make the pipeline with connect the spacing concatenation of 17, and it is fixed to use the retaining ring, can prevent that the pipeline from droing, the practicality has been improved, leak protection pad 15 is the rubber material, seal first flange 12 and second flange 13 junction through leak protection pad 15, can avoid valve body 1 installation back, its junction is revealed, filter purification is carried out to the fluid of business turn over valve body 1 through filter screen 14, avoid the fluid to contain impurity jam valve body 1, and through first flange 12 and second flange 13 convenient to detach and installation filter screen 14.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. The utility model provides a can carry out ball valve adjusted to spheroid open-ended bore, includes valve body (1), its characterized in that: the improved valve is characterized in that a valve cavity (2) is arranged in the valve body (1), a valve ball (3) is arranged in the valve cavity (2), a through hole (4) is formed in the valve ball (3), a closing plate (5) is arranged in the through hole (4), a valve rod (6) is arranged on the valve ball (3), an inner rod (7) is arranged in the valve rod (6), a rotary table (701) is arranged at the upper end of the inner rod (7), and angle scales (702) are arranged on the rotary table (701).
2. The ball valve according to claim 1, wherein the opening diameter of the ball body is adjustable, and the ball valve comprises: the valve is characterized in that a fixing seat (8) is arranged on the valve body (1), a valve cover (9) is arranged on the fixing seat (8), and the valve cover (9) is fixedly connected with the fixing seat (8) through a fixing bolt.
3. The ball valve according to claim 2, wherein the opening diameter of the ball body is adjustable, and the ball valve comprises: fixing base (8) inside is provided with spacing groove (801), be provided with protection pad (802) in spacing groove (801), protection pad (802) upper end is provided with spacing ring (803), valve rod (6) run through fixing base (8) and spacing ring (803) fixed connection.
4. The ball valve according to claim 1, wherein the opening diameter of the ball body is adjustable, and the ball valve comprises: the improved structure is characterized in that a T-shaped clamping block (501) is arranged at the upper end of the closing plate (5), the closing plate (5) is fixedly connected with the inner rod (7) through the T-shaped clamping block (501), a rotating shaft (502) is arranged at the lower end of the closing plate (5), and a bearing (503) is arranged at the outer end of the rotating shaft (502).
5. The ball valve according to claim 1, wherein the opening diameter of the ball body is adjustable, and the ball valve comprises: both ends all are provided with sealing washer (10) about valve pocket (2), valve rod (6) run through fixing base (8) and are connected with valve ball (3) rotation.
6. The ball valve according to claim 1, wherein the opening diameter of the ball body is adjustable, and the ball valve comprises: the anti-skidding valve is characterized in that a valve handle (601) is arranged at the upper end of the valve rod (6), a plurality of protruding blocks (602) are arranged at the joint of the valve rod (6) and the valve handle (601), and an anti-skidding sleeve (603) is arranged at the rear end of the valve handle (601).
7. The ball valve according to claim 1, wherein the opening diameter of the ball body is adjustable, and the ball valve comprises: both ends all are provided with connecting pipe (11), every about valve body (1) connecting pipe (11) outside all is provided with first flange (12), every first flange (12) outside all is provided with second flange (13), all installs filter screen (14) in every first flange (12).
8. The ball valve according to claim 7, wherein the opening diameter of the ball body is adjustable, and the ball valve comprises: every first flange (12) all are provided with leak protection pad (15) with second flange (13) inboard, leak protection pad (15) are the rubber material.
9. The ball valve according to claim 7, wherein the opening diameter of the ball body is adjustable, and the ball valve comprises: a connecting ring (16) is arranged on the outer side of each second flange (13), a connector (17) is arranged in each connecting ring (16), threads (18) are arranged on the outer surface of each connector (17), and two clamping grooves (19) are arranged in each connector (17).
CN202210073552.XA 2022-04-15 2022-04-15 Ball valve capable of adjusting opening caliber of ball body Withdrawn CN114508605A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210073552.XA CN114508605A (en) 2022-04-15 2022-04-15 Ball valve capable of adjusting opening caliber of ball body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210073552.XA CN114508605A (en) 2022-04-15 2022-04-15 Ball valve capable of adjusting opening caliber of ball body

Publications (1)

Publication Number Publication Date
CN114508605A true CN114508605A (en) 2022-05-17

Family

ID=81550271

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210073552.XA Withdrawn CN114508605A (en) 2022-04-15 2022-04-15 Ball valve capable of adjusting opening caliber of ball body

Country Status (1)

Country Link
CN (1) CN114508605A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115012418A (en) * 2022-06-15 2022-09-06 中建八局轨道交通建设有限公司 Adjustable air compression injection machine hand gun for foundation pit slope construction
CN115377803A (en) * 2022-09-08 2022-11-22 河南宣和钧釉环保材料有限公司 Novel negative oxygen ion generation accelerator
CN115681544A (en) * 2022-10-14 2023-02-03 江苏圣业阀门有限公司 Ultra-low temperature ball valve
CN116447346A (en) * 2023-04-12 2023-07-18 江苏苏盐阀门机械有限公司 High-end intelligent valve
CN115012418B (en) * 2022-06-15 2024-07-12 中建八局轨道交通建设有限公司 Adjustable air pressure sprayer hand gun for foundation pit slope construction

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115012418A (en) * 2022-06-15 2022-09-06 中建八局轨道交通建设有限公司 Adjustable air compression injection machine hand gun for foundation pit slope construction
CN115012418B (en) * 2022-06-15 2024-07-12 中建八局轨道交通建设有限公司 Adjustable air pressure sprayer hand gun for foundation pit slope construction
CN115377803A (en) * 2022-09-08 2022-11-22 河南宣和钧釉环保材料有限公司 Novel negative oxygen ion generation accelerator
CN115377803B (en) * 2022-09-08 2024-02-23 河南宣和钧釉环保材料有限公司 Negative oxygen ion generation accelerator
CN115681544A (en) * 2022-10-14 2023-02-03 江苏圣业阀门有限公司 Ultra-low temperature ball valve
CN115681544B (en) * 2022-10-14 2023-09-15 江苏圣业阀门有限公司 Ultra-low temperature ball valve
CN116447346A (en) * 2023-04-12 2023-07-18 江苏苏盐阀门机械有限公司 High-end intelligent valve
CN116447346B (en) * 2023-04-12 2023-12-19 江苏苏盐阀门机械有限公司 High-end intelligent valve

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Application publication date: 20220517