CN114857281A - Bevel gear transmission light torque middle cavity non-pressure type adjusting type shaft flow valve - Google Patents

Bevel gear transmission light torque middle cavity non-pressure type adjusting type shaft flow valve Download PDF

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Publication number
CN114857281A
CN114857281A CN202210364894.7A CN202210364894A CN114857281A CN 114857281 A CN114857281 A CN 114857281A CN 202210364894 A CN202210364894 A CN 202210364894A CN 114857281 A CN114857281 A CN 114857281A
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CN
China
Prior art keywords
valve
bevel gear
valve body
cavity
rod
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Granted
Application number
CN202210364894.7A
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Chinese (zh)
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CN114857281B (en
Inventor
杨选辰
胡宝
周道亮
张金扬
杨景程
杨贤璋
赵曾然
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Zhejiang Diantai Valve Industry Co ltd
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Zhejiang Diantai Valve Industry Co ltd
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Priority to CN202210364894.7A priority Critical patent/CN114857281B/en
Publication of CN114857281A publication Critical patent/CN114857281A/en
Application granted granted Critical
Publication of CN114857281B publication Critical patent/CN114857281B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/14Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with ball-shaped valve member
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02Cleaning by the force of jets, e.g. blowing-out cavities
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/36Valve members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves
    • F16K27/0245Construction of housing; Use of materials therefor of lift valves with ball-shaped valve members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/53Mechanical actuating means with toothed gearing

Abstract

The invention relates to the technical field of engineering equipment, and discloses a bevel gear transmission light torque middle cavity non-pressure type adjusting type shaft flow valve which comprises a right valve body, a middle valve body and a left valve body, wherein a spring seat is arranged on one side of the right valve body, a spring is arranged on one side of the spring seat, a high-temperature sealing ring is further arranged on one side of the spring seat, a valve seat is arranged on one side of the high-temperature sealing ring, a spherical valve clack is arranged on one side of the valve seat, and a transmission guide screw shaft connected by a screw is arranged on one side of the spherical valve clack; this formula axle flow valve is adjusted to light moment of torsion lumen non-pressure of bevel gear transmission, use through the cooperation of a bevel gear structure and bevel gear two structures, in the use, utilize bevel gear one and bevel gear two's transmission mode for the valve is opening and is closing the in-process more steady, the inside valve clack of valve body seals the use of filling up and valve clack direction fixed plate isotructure simultaneously, utilize soft, the sealed multi-purpose design of hard, not only can adapt to multiple medium and use, still make the inside condition of leaking that can not take place easily of governing valve.

Description

Bevel gear transmission light torque middle cavity non-pressure type adjusting type shaft flow valve
Technical Field
The invention relates to the technical field of engineering equipment, in particular to a bevel gear transmission light torque middle cavity non-pressure type adjusting type shaft flow valve.
Background
With the rapid development of science and technology, the production process and the product structure are continuously improved, and the regulating valve is rapidly developed into a main valve. In the age of intelligent manufacturing, the intelligent control regulating valve plays a vital role in pipelines in industries such as petroleum, chemical engineering and the like. However, the types of the current regulating valves are mainly V-shaped ball valves, stop valves and the like, and the valves also have own advantages in the use process, but have some problems which cannot be avoided, and the reasons of large medium noise, pipeline vibration, large medium pressure loss and the like caused by the scouring of a medium to a valve clack and irregular flow channel in use. In some special media, the valve packing sealing performance requires the addition of multiple designs, which increases cost.
Simultaneously the governing valve is in actual installation, because the big or small shape of controlling the connecting tube can not be confirmed, after the installation, because all kinds of collision accident, the phenomenon that governing valve and left and right connecting tube are not hard up appears easily, lead to the governing valve to lose heart with left and right connecting tube department, simultaneously because the mounted position reason, the governing valve has unable regulation installation direction scheduling problem in actual installation, influence the installation process, and liquid such as raindrop probably appears externally in the governing valve use drips on the governing valve surface, make the bolted connection department on governing valve surface take place to corrode, thereby influence the dismantlement and the installation of governing valve.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a bevel gear transmission light torque middle cavity non-pressure type adjusting axial flow valve, which has the advantages of non-pressure of a middle cavity of an adjusting valve, no leakage of a filling position, no friction during sealing and opening, low spherical sealing cost, multiple using working conditions, light torque, convenient and fast mounting, dismounting and maintenance and stable mounting of the adjusting valve and a connecting pipeline in the using process, and solves the problems of irregular design of a flow passage of a common adjusting valve, high medium noise, medium influence on pipeline vibration, medium scouring valve clack, high medium pressure loss, complex mounting, dismounting and maintenance and easy looseness of the adjusting valve and the connecting pipeline.
(II) technical scheme
In order to realize the purposes of no pressure in the middle cavity of the regulating valve, no leakage at the position of a filler, no friction during sealing and opening, low spherical sealing cost, multiple use working conditions, light torque, convenient and fast assembly, disassembly and maintenance and stable assembly of the regulating valve and a connecting pipeline in the use process, the invention provides the following technical scheme: the utility model provides a formula axial-flow valve is adjusted to middle chamber non-pressure formula of bevel gear transmission light moment of torsion, including right valve body, well valve body and left valve body, right valve body one side is provided with the spring holder, spring holder one side is provided with the spring, spring holder one side still is provided with the high temperature sealing washer, high temperature sealing washer one side is provided with the disk seat, disk seat one side is provided with the sphere valve clack, sphere valve clack one side is provided with the transmission guide screw shaft that connects with the screw, be provided with the valve clack is sealed with the transmission guide screw shaft in the middle of the sphere valve clack and the transmission guide screw shaft, still be provided with pressure balance hole on the sphere valve clack, the top of left valve body and right valve body junction is provided with the support, the top of support is provided with the executor, the opposite side of right valve body and left valve body is provided with fixed cover, the bottom of fixed cover is provided with the connecting block, the middle part of connecting block is provided with the bearing, the bottom of connecting block is provided with the base.
Preferably, one side of the middle valve body is provided with a fixed support shaft, the top of the fixed support shaft is provided with a first bevel gear, the top of the first bevel gear is provided with a valve rod, the left side of the first bevel gear is provided with a second bevel gear, the left side of the second bevel gear is provided with a one-way thrust bearing, and one side of the one-way thrust bearing is provided with a locking nut, so that the first bevel gear and the second bevel gear are effectively fixed by the fixed support shaft and the one-way thrust bearing, and the first bevel gear and the second bevel gear are prevented from loosening in the rotating process.
Preferably, the right side of the inner cavity of the middle valve body is provided with a valve clack guide fixing plate, the upper side and the lower side of the valve clack guide fixing plate are respectively provided with a fixing plate sealing gasket through a fixing screw, inclined surface sealing packing is arranged between the valve clack guide fixing plate and a transmission guide screw shaft, the right side of the valve clack guide fixing plate is provided with an inner cavity packing gland, and the inner cavity packing gland and the valve clack guide fixing plate are provided with gland screws, so that the valve clack guide fixing plate and the inner cavity packing gland are fixedly installed with the middle valve body through the gland screws and the fixing screws.
Preferably, the surface of valve rod bottom is provided with lubricated axle sleeve, and the top of lubricated axle sleeve is provided with the fixed cover of valve rod, and the top of the fixed cover of valve rod is provided with the filler, and the top of filler is provided with the filler and presses the cover, and the top that the cover was pressed to the filler is provided with the clamp plate to utilize the filler effectively to block up the space between valve rod and the well valve body, and utilize clamp plate and filler to press the cover to prevent that the filler from spilling over.
Preferably, the inner cavity of the left valve body is provided with a medium flow channel hole, and the shape of the medium flow channel hole is in an arc design, so that the arc design of the medium flow channel hole is utilized to reduce noise and lighten valve vibration in the medium flowing process.
Preferably, the cavity has been seted up all around of fixed cover, and the inner chamber of cavity is provided with the extension chain, and the chain hole has been seted up at the middle part of extension chain, and the top movable mounting of cavity has the gag lever post, and the bottom fixed mounting of cavity inner chamber has the stopper, and the diameter size of gag lever post matches with the diameter size in chain hole, and assorted screw thread has all been seted up with the lateral wall in stopper inner chamber to the outside surface of gag lever post to utilize gag lever post and stopper, can effectively inject the length of extension chain.
Preferably, the top of fixed cover is provided with the fixed block, and the top movable mounting of fixed block has the screw rod, and fixed cover is the design of arc retractable, and fixed cover comprises a plurality of arc sections jointly, and after fixed cover winding is spacing, the screw rod of screwing utilizes the fixed cover in the screw rod fastening fixed block to this prevents that fixed cover is not hard up.
Preferably, the inner chamber at connecting block top is provided with the gas piece, and the left top fixed mounting of gas piece has check valve one, and the right side fixed mounting of gas piece inner chamber has check valve two, and the right side movable mounting of gas piece inner chamber has the push pedal, and the gas pocket is seted up on the right side of gas piece to when the push pedal is removed from the right side left fast, can push gas piece left side inner chamber with the gas on gas piece inner chamber right side by check valve two, and constantly mend the gas on connecting block inner chamber right side by the gas pocket.
Preferably, reset spring and gas piece inner chamber right side fixed connection are passed through on the right side of push pedal, and the right side fixed mounting of push pedal has the push rod, and top movable mounting on push rod right side has the arch, and spacing rope and push rod fixed connection are passed through on bellied right side to utilize the spacing rope to make the arch can't remove from the right side left.
Preferably, the right side at connecting block top is provided with the dwang, the top laminating right valve body of dwang, the bottom shape and the protruding shape phase-match of dwang to when the dwang received the vibrations of right valve body, the dwang rotated clockwise, drove the push rod through the arch and moves from the right side to the left.
(III) advantageous effects
Compared with the prior art, the invention provides a bevel gear transmission light torque middle cavity non-pressure type adjusting type shaft flow valve, which has the following beneficial effects:
1. this formula axle flow valve is adjusted to light moment of torsion lumen non-pressure of bevel gear transmission, use through the cooperation of a bevel gear structure and bevel gear two structures, in the use, utilize bevel gear one and bevel gear two's transmission mode for the valve is opening and is closing the in-process more steady, the inside valve clack of valve body seals the use of filling up and valve clack direction fixed plate isotructure simultaneously, utilize soft, the sealed multi-purpose design of hard, not only can adapt to multiple medium and use, still make the inside condition of leaking that can not take place easily of governing valve.
2. This formula axle flow valve is adjusted to light moment of torsion lumen non-pressure formula of bevel gear transmission, cooperation through extending chain structure and screw rod structure is used, after the governing valve with control connecting tube installation, tighten up fixed cover, utilize the junction of fixed cover fixed governing valve with control connecting tube, if the connecting tube surface is too thick can rotate the gag lever post of fixed cover surface, utilize to extend the chain to make fixed cover can effectively fix the governing valve with control connecting tube, the screw rod of later screwing again, prevent that fixed cover from taking place not hard up in the use, lead to the governing valve with control connecting tube installation unstable.
3. This formula axial-flow valve is adjusted to light moment of torsion lumen non-pressure of bevel gear transmission, cooperation through dwang structure and air shoe structure is used, in the daily use of governing valve, because reasons such as medium flow, vibrations appear easily in the governing valve, utilize dwang top laminating governing valve one side this moment, and dwang bottom inner chamber is provided with torque spring, with this vibrations that slow down the governing valve, the dwang rocks simultaneously, the cooperation is protruding to be driven push pedal and push rod from the right side left side and is removed, make the push pedal aerify to air shoe left side inner chamber, gaseous reaching the saturated back in air shoe left side inner chamber, it is gaseous by one the check valve blow off, utilize the gas that blows off to carry out clean drying to places such as governing valve surface bolt, avoid the erection of bolts to take place the corruption, cause the governing valve installation to dismantle the maintenance difficulty.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 2 is a schematic view of a flow passage of a valve body structure according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 1 at point A according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 1 at B according to the present invention;
FIG. 5 is a schematic view of the structure of FIG. 1 at C according to the present invention;
FIG. 6 is a schematic view of the structure of FIG. 1 at D according to the present invention;
FIG. 7 is a side view of the fixing sleeve structure of the present invention;
fig. 8 is an enlarged sectional view of a portion of the structure of the fixing cover of the present invention;
FIG. 9 is a schematic view of the structure at E of FIG. 1 according to the present invention.
In the figure: 1. a right valve body; 2. a middle valve body; 3. a left valve body; 4. a support; 5. an actuator; 6. fixing a sleeve; 7. connecting blocks; 8. a bearing; 9. a base; 101. a spring seat; 102. a spring; 103. a high temperature seal ring; 104. a valve seat; 105. a spherical valve flap; 106. a drive guide screw shaft; 107. a valve flap seal gasket; 108. a screw; 201. fixing a support shaft; 202. a first bevel gear; 203. a valve stem; 204. a second bevel gear; 205. a one-way thrust bearing; 206. locking and capping; 207. the valve clack is guided to the fixed plate; 208. a fixed plate gasket; 209. a set screw; 210. an inner cavity packing gland; 211. the inclined plane is sealed and filled; 212. a gland screw; 2031. lubricating the shaft sleeve; 2032. a valve rod fixing sleeve; 2033. a filler; 2034. pressing and sleeving the filler; 2035. pressing a plate; 301. a medium flow channel hole; 601. a cavity; 602. an extension chain; 603. a chain hole; 604. a limiting rod; 605. a limiting block; 606. a fixed block; 607. a screw; 701. air blocks; 702. a one-way valve I; 703. a second one-way valve; 704. pushing the plate; 705. a return spring; 706. a push rod; 707. a protrusion; 708. a limiting rope; 709. and rotating the rod.
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.
Example one
Referring to fig. 1-6, a bevel gear transmission light torque middle cavity non-pressure type adjusting axial flow valve comprises a right valve body 1, a middle valve body 2 and a left valve body 3, wherein a spring seat 101 is arranged on one side of the right valve body 1, a spring 102 is arranged on one side of the spring seat 101, a high temperature sealing ring 103 is further arranged on one side of the spring seat 101, a valve seat 104 is arranged on one side of the high temperature sealing ring 103, a spherical valve flap 105 is arranged on one side of the valve seat 104, a transmission guide screw shaft 106 connected by a screw 108 is arranged on one side of the spherical valve flap 105, a flap sealing gasket 107 is arranged between the spherical valve flap 105 and the transmission guide screw shaft 106, a pressure balance hole is further arranged on the spherical valve flap 105, a fixed support shaft 201 is arranged on one side of the middle valve body 2, a bevel gear 202 is arranged on the top of the fixed support shaft 201, a valve rod 203 is arranged on the top of the bevel gear 202, and a lubricating shaft sleeve 2031 is arranged on the outer surface of the bottom of the valve rod 203, a valve rod fixing sleeve 2032 is arranged on the top of the lubricating shaft sleeve 2031, a packing 2033 is arranged on the top of the valve rod fixing sleeve 2032, a packing pressing sleeve 2034 is arranged on the top of the packing pressing sleeve 2033, a pressing plate 2035 is arranged on the top of the packing pressing sleeve 2034, so that a gap between the valve rod 203 and the middle valve body 2 is effectively blocked by the packing 2033, and the packing 2033 is prevented from overflowing by the pressing plate 2035 and the packing pressing sleeve 2034, a bevel gear II 204 is arranged on the left side of a bevel gear I202, a one-way thrust bearing 205 is arranged on the left side of the bevel gear II 204, a locking nut 206 is arranged on one side of the one-way thrust bearing 205, so that the bevel gear I202 and the bevel gear II 204 are effectively fixed by a fixed support shaft 201 and the one-way thrust bearing 205, so as to prevent the bevel gear I202 and the bevel gear II 204 from loosening during the rotation, a valve clack guide fixing plate 207 is arranged on the right side of the inner cavity of the middle valve body 2, fixing plate 207, and fixing plates 208 are arranged on the upper and the lower sides of the valve clack guide fixing plate 207 by fixing screws 209, an inclined sealing packing 211 is arranged between the valve clack guide fixing plate 207 and the transmission guide screw shaft 106, an inner cavity packing gland 210 is arranged on the right side of the valve clack guide fixing plate 207, gland screws 212 are arranged on the inner cavity packing gland 210 and the valve clack guide fixing plate 207, so that the valve clack guide fixing plate 207 and the inner cavity packing gland 210 are fixedly installed with the middle valve body 2 by utilizing the gland screws 212 and the fixing screws 209, a medium flow channel hole 301 is formed in the inner cavity of the left valve body 3, the medium flow channel hole 301 is in an arc-shaped design, noise and valve vibration are reduced in the medium circulation process by utilizing the arc-shaped design of the medium flow channel hole 301, a support 4 is arranged at the top of the joint of the left valve body 1 and the right valve body 3, an actuator 5 is arranged at the top of the support 4, a fixing sleeve 6 is arranged at the other side of the right valve body 3 and the left valve body 1, and a connecting block 7 is arranged at the bottom of the fixing sleeve 6, the middle part of connecting block 7 is provided with bearing 8, and the bottom of connecting block 7 is provided with base 9.
The working principle is as follows: a spring seat 101 is arranged on one side of a right valve body 1, a spring 102 is arranged on one side of the spring seat 101, a high-temperature sealing ring 103 is further arranged on one side of the spring seat 101, a valve seat 104 is arranged on one side of the high-temperature sealing ring 103, a spherical valve clack 105 is arranged on one side of the valve seat 104, a transmission guide screw shaft 106 connected through a screw 108 is arranged on one side of the spherical valve clack 105, the spherical valve clack 105 and the transmission guide screw shaft 106 are fixed through the high-temperature sealing ring, a valve clack sealing gasket 107 is arranged between the spherical valve clack 105 and the transmission guide screw shaft 106, a pressure balancing hole is further formed in the spherical valve clack 105 to prevent over-strong pressure, the right valve body 1 and the left valve body 3 are fixedly installed on a middle valve body 2 through a bolt and a nut, a sealing gasket is arranged between the bolt and the nut to prevent gaps, a guide fixing plate 207 is arranged on the inner side of the middle valve body 2, a filling hole is formed in the valve clack guide fixing plate 207, an inclined surface sealing filler 211 is arranged in the hole, the inclined surface sealing filler 211, and the inner cavity filler gland screw 212 are tightly sealed, a fixed plate sealing gasket 208 for forming sealing is arranged between the middle valve body 2 and the valve clack guide fixed plate 207, a bevel gear II 204 fixed by a one-way thrust bearing 205 and a locking and cap 206 is installed in the middle valve body 2, the bevel gear I202 and the bevel gear II 204 fixedly supported by a fixed support shaft 201 form gear combination transmission, the valve is opened and closed more stably and the torque is light by utilizing a bevel gear transmission mode, and therefore, the cost is saved on the selection of the actuator 5; the valve rod 203 of the 2 filling hole devices of the middle valve body is connected and arranged through one side of the middle valve body 2, the filling hole positions of the valve rod 203 are sequentially provided with a lubricating shaft sleeve 2031, a valve rod fixing sleeve 2032 and a filling 2033, the filling 2033 is fastened and sealed through a filling pressing sleeve 2034 and a pressing plate 2035, the support 4 is installed at the top of the left valve body 3 and the top of the right valve body 1 through the bolt and the nut, and the actuator 5 is installed on the support 4 through the bolt fastening.
In conclusion, compared with the common similar devices, the bevel gear transmission light torque middle cavity non-pressure type adjusting type shaft flow valve has the multi-purpose design of soft and hard sealing, can adapt to the use of various media, and can randomly replace the sealing material; by utilizing the non-pressure design of the middle cavity of the middle valve body 2, the medium is not contacted with the internal part of the gear valve rod 203, no special requirement exists on the selection of the material of the internal part of the valve rod 203, the medium leakage condition can not occur at the position of the filler 2033, the valve is more widely selected aiming at the harsh medium working condition, and the design cost is lower compared with that of a corrugated pipe valve; the sealing surface is designed to be closed circularly, the spherical valve clack 105 and the valve seat 104 are closed circularly in the closing process of the valve, the flow regulation is more accurate, the sealing surface has no friction, the service life is prolonged while static electricity is not generated, and the valve is convenient and practical under special working conditions (hydrogenation); the valve core is designed in a separated mode, so that the valve core is convenient to process and install, and the cost for replacing accessories is saved; the circular arc-shaped flow guide design of the middle valve body 2 reduces noise and pressure loss and reduces the problem of valve vibration in the medium circulation process, and the middle cavity of the valve body is provided with a detector for timely detecting the leakage condition of the middle cavity of the valve.
Example two
Referring to fig. 7-9, a bevel gear transmission light torque middle cavity non-pressure type adjusting type shaft flow valve comprises a right valve body 1, a middle valve body 2 and a left valve body 3, a support 4 is arranged at the top of the joint of the left valve body 1 and the right valve body 3, an actuator 5 is arranged at the top of the support 4, a fixed sleeve 6 is arranged at the other side of the right valve body 1 and the left valve body 3, a cavity 601 is arranged around the fixed sleeve 6, an extension chain 602 is arranged in the cavity 601, a chain hole 603 is arranged in the middle of the extension chain 602, a limit rod 604 is movably arranged at the top of the cavity 601, a limit block 605 is fixedly arranged at the bottom of the cavity 601, the diameter of the limit rod 604 is matched with that of the chain hole 603, matched threads are arranged on the outer surface of the limit rod 604 and the side wall of the inner cavity of the limit block 605, so that the length of the extension chain 602 can be effectively limited by the limit rod 604 and the limit block 605, the top of the fixed sleeve 6 is provided with a fixed block 606, the top of the fixed block 606 is movably provided with a screw 607, the fixed sleeve 6 is designed in an arc telescopic manner, the fixed sleeve 6 is jointly composed of a plurality of arc sections, after the fixed sleeve 6 is wound and limited, the screw 607 is screwed, the fixed sleeve 6 in the fixed block 606 is compressed by the screw 607, so as to prevent the fixed sleeve 6 from loosening, the bottom of the fixed sleeve 6 is provided with a connecting block 7, an inner cavity at the top of the connecting block 7 is provided with a gas block 701, the top at the left side of the gas block 701 is fixedly provided with a one-way valve I702, the right side of the inner cavity of the gas block 701 is fixedly provided with a one-way valve II 703, the right side of the inner cavity of the gas block 701 is movably provided with a push plate 704, the right side of the gas block 701 is provided with a gas hole, therefore, when the push plate 704 moves to the left rapidly, gas at the right side of the inner cavity of the gas block 701 can be pushed into the inner cavity of the gas block 701 by the one-way valve II 703, and gas on the right side of the inner cavity of the connecting block 7 is continuously supplemented by the gas hole, reset spring 705 and gas piece 701 inner chamber right side fixed connection are passed through to push pedal 704's right side, push pedal 704's right side fixed mounting has push rod 706, top movable mounting on push rod 706 right side has protruding 707, spacing rope 708 and push rod 706 fixed connection are passed through to protruding 707 right side, thereby utilize spacing rope 708 to make protruding 707 can't move from the right side left, the right side at connecting block 7 top is provided with dwang 709, the top laminating right valve body 1 of dwang 709, the bottom shape and the protruding 707 shape phase-match of dwang 709, thereby dwang 709 receives when the vibrations of right valve body 1, dwang 709 clockwise rotates, it moves from the right side left to drive push rod 706 through protruding 707, the middle part of connecting block 7 is provided with bearing 8, the bottom of connecting block 7 is provided with base 9.
The working principle is as follows: after the axial flow valve is assembled, the assembled axial flow valve is moved to a place needing to be installed, then the bearing 8 is rotated, the axial flow valve can be effectively installed with connecting pipelines on two sides, then the distance between the base 9 and the ground is adjusted, the axial flow valve is fixed in a limiting mode, the axial flow valve can be prevented from falling and loosening, when the two sides of the axial flow valve and the connecting pipelines are installed, the connecting pipelines are firstly installed into the two sides of the axial flow valve, then the fixing sleeve 6 is tightened, the connecting position of the axial flow valve and the connecting pipelines is effectively fixed by the fixing sleeve 6, sometimes the diameter of a shell of the connecting pipeline is large, the fixing sleeve 6 is fixedly installed with one side of the left valve body 3 through the fixing block 606, the inside of the fixing sleeve 6 is of a multi-section structure, a cavity 601 is formed between every two adjacent parts, an extension chain 602 is arranged in the cavity 601, and at the moment, only a limiting rod 604 in the cavity 601 needs to be rotated and moved upwards, the extension chain 602 can be stretched, when the fixing sleeve 6 is suitable for connecting a pipeline shell after being stretched, the limiting rod 604 is reversely screwed, the bottom of the limiting rod 604 extends into the limiting block 605 to limit the width of the fixing sleeve 6, then the screw 607 is screwed, and the screw 607 is used for pressing down and extruding the redundant fixing sleeve 6 penetrating through the fixing block 606, so that the fixing sleeve 6 cannot be easily loosened, the loosening of the fixing sleeve 6 is avoided, and a gap is easily generated at the installation position of the valve body and the connecting pipeline due to vibration;
then the installation of the axial flow valve is finished, in the normal use process of the axial flow valve, the rotating rod 709 is attached to the outer side of the valve body, and the inner cavity of the installation part of the bottom of the rotating rod 709 and the connecting block 7 is provided with a torsion spring, so that when the valve body generates certain micro vibration when the valve body works, the vibration amplitude of the valve body is reduced by the torsion spring at the bottom of the rotating rod 709, meanwhile, the bottom of the rotating rod 709 is provided with a tooth, the bottom of the rotating rod 709 is provided with a push rod 706, the tooth and the protrusion 707 are utilized to enable the push rod 706 to move from right to left when the rotating rod 709 is vibrated from left to right clockwise, wherein the protrusion 707 is provided with a limiting rope 708 fixedly connected with the top of the push rod 706 on the right side, so that the protrusion 707 cannot rotate left, the clockwise rotating rod 709 can drive the push rod 706 to move left, when the push rod 706 moves left, the push plate fixedly installed in the air block 701 is pushed to move left, thereby push into the intracavity storage in the gas piece 701 left side through two 703 check valves with the gas on gas piece 701 inner chamber right side, make push rod 706 constantly move to the left along with the constantly vibrations of dwang 709 to after gas reaches certain volume in gas piece 701 inner chamber left side, gas blows off from the check valve 702 at gas piece 701 left side top fast, and utilizes gas to clean dry to the valve body surface in the direction of blowing off, avoids the valve body surface because impurity such as raindrop corrodes the valve body surface.
Compared with the common similar devices, the bevel gear transmission light torque middle cavity non-pressure type adjusting axial flow valve not only can reduce the vibration generated during the working of the valve body, but also can fix the valve body and the connecting pipeline, avoid the gap generated between the valve body and the connecting pipeline due to the working environment and the like, automatically clean the surface of the valve body and reduce the corrosion degree of the surface of the valve body.
EXAMPLE III
Referring to fig. 1-9, a bevel gear transmission light torque middle cavity non-pressure type adjusting axial flow valve comprises a right valve body 1, a middle valve body 2 and a left valve body 3, wherein a spring seat 101 is arranged on one side of the right valve body 1, a spring 102 is arranged on one side of the spring seat 101, a high temperature sealing ring 103 is further arranged on one side of the spring seat 101, a valve seat 104 is arranged on one side of the high temperature sealing ring 103, a spherical valve flap 105 is arranged on one side of the valve seat 104, a transmission guide screw shaft 106 connected by a screw 108 is arranged on one side of the spherical valve flap 105, a flap sealing gasket 107 is arranged between the spherical valve flap 105 and the transmission guide screw shaft 106, a pressure balance hole is further arranged on the spherical valve flap 105, a fixed support shaft 201 is arranged on one side of the middle valve body 2, a bevel gear 202 is arranged on the top of the fixed support shaft 201, a valve rod 203 is arranged on the top of the bevel gear 202, and a lubricating shaft sleeve 2031 is arranged on the outer surface of the bottom of the valve rod 203, a valve rod fixing sleeve 2032 is arranged on the top of the lubricating shaft sleeve 2031, a packing 2033 is arranged on the top of the valve rod fixing sleeve 2032, a packing pressing sleeve 2034 is arranged on the top of the packing pressing sleeve 2033, a pressing plate 2035 is arranged on the top of the packing pressing sleeve 2034, so that a gap between the valve rod 203 and the middle valve body 2 is effectively blocked by the packing 2033, and the packing 2033 is prevented from overflowing by the pressing plate 2035 and the packing pressing sleeve 2034, a bevel gear II 204 is arranged on the left side of a bevel gear I202, a one-way thrust bearing 205 is arranged on the left side of the bevel gear II 204, a locking nut 206 is arranged on one side of the one-way thrust bearing 205, so that the bevel gear I202 and the bevel gear II 204 are effectively fixed by a fixed support shaft 201 and the one-way thrust bearing 205, so as to prevent the bevel gear I202 and the bevel gear II 204 from loosening during the rotation, a valve clack guide fixing plate 207 is arranged on the right side of the inner cavity of the middle valve body 2, fixing plate 207, and fixing plates 208 are arranged on the upper and the lower sides of the valve clack guide fixing plate 207 by fixing screws 209, an inclined sealing packing 211 is arranged between the valve clack guide fixing plate 207 and the transmission guide screw shaft 106, an inner cavity packing gland 210 is arranged on the right side of the valve clack guide fixing plate 207, gland screws 212 are arranged on the inner cavity packing gland 210 and the valve clack guide fixing plate 207, so that the valve clack guide fixing plate 207 and the inner cavity packing gland 210 are fixedly installed with the middle valve body 2 by utilizing the gland screws 212 and the fixing screws 209, a medium flow channel hole 301 is formed in the inner cavity of the left valve body 3, the medium flow channel hole 301 is in an arc-shaped design, the noise and the valve vibration are reduced in the medium circulation process by utilizing the arc-shaped design of the medium flow channel hole 301, a support 4 is arranged at the top of the joint of the left valve body 1 and the right valve body 3, an actuator 5 is arranged at the top of the support 4, a fixing sleeve 6 is arranged on the other side of the right valve body 1 and the left valve body 3, and a cavity 601 is formed around the fixing sleeve 6, an extension chain 602 is arranged in an inner cavity of the cavity 601, a chain hole 603 is formed in the middle of the extension chain 602, a limiting rod 604 is movably mounted at the top of the cavity 601, a limiting block 605 is fixedly mounted at the bottom of the inner cavity of the cavity 601, the diameter of the limiting rod 604 is matched with that of the chain hole 603, matched threads are formed on the outer surface of the limiting rod 604 and the side wall of the inner cavity of the limiting block 605, so that the length of the extension chain 602 can be effectively limited by using the limiting rod 604 and the limiting block 605, a fixing block 606 is arranged at the top of the fixing sleeve 6, a screw 607 is movably mounted at the top of the fixing block 606, the fixing sleeve 6 is designed in an arc telescopic manner, the fixing sleeve 6 is jointly composed of a plurality of arc sections, the screw 607 is screwed after the fixing sleeve 6 is wound and limited, the fixing sleeve 6 is compressed by using the screw 607, so that the fixing sleeve 6 is prevented from being loosened, a connecting block 7 is arranged at the bottom of the fixing sleeve 6, an inner cavity at the top of the connecting block 7 is provided with an air block 701, the top at the left side of the air block 701 is fixedly provided with a one-way valve 702, the right side of the inner cavity of the air block 701 is fixedly provided with a one-way valve 703, the right side of the inner cavity of the air block 701 is movably provided with a push plate 704, the right side of the air block 701 is provided with an air hole, so that when the push plate 704 moves from right to left rapidly, air at the right side of the inner cavity of the air block 701 can be pushed into the inner cavity at the left side of the air block 701 through the one-way valve 703, and the air at the right side of the inner cavity of the connecting block 7 is continuously supplemented through the air hole, the right side of the push plate 704 is fixedly connected with the right side of the inner cavity of the air block 701 through a return spring 705, the right side of the push plate 704 is fixedly provided with a push rod 706, the top at the right side of the push rod 706 is movably provided with a protrusion 707 through a limiting rope 708, so that the protrusion 707 cannot move from right to left by the limiting rope 708, the right side at the top of the connecting block 7 is provided with a rotating rod 709, the top laminating right valve body 1 of dwang 709, the bottom shape and the protruding 707 shape phase-match of dwang 709 to when dwang 709 receives the vibrations of right valve body 1, dwang 709 clockwise rotation drives push rod 706 through protruding 707 and moves from the right side to the left, and the middle part of connecting block 7 is provided with bearing 8, and the bottom of connecting block 7 is provided with base 9.
The working principle is as follows: when in use, a spring seat 101 is arranged on one side of a right valve body 1, a spring 102 is arranged on one side of the spring seat 101, a high-temperature sealing ring 103 is further arranged on one side of the spring seat 101, a valve seat 104 is arranged on one side of the high-temperature sealing ring 103, a spherical valve clack 105 is arranged on one side of the valve seat 104, a transmission guide screw shaft 106 connected by a screw 108 is arranged on one side of the spherical valve clack 105, so that the spherical valve clack 105 and the transmission guide screw shaft 106 are fixed, a valve clack sealing gasket 107 is arranged between the spherical valve clack 105 and the transmission guide screw shaft 106, a pressure balancing hole is further arranged on the spherical valve clack 105, over-high pressure is prevented, the right valve body 1 and the left valve body 3 are fixedly installed on a middle valve body 2 through bolts and nuts, a sealing gasket is arranged between the bolts and nuts to prevent gaps, a guide fixing plate 207 is arranged on the inner side of the middle valve body 2, a filling hole is arranged on the valve clack guide fixing plate 207, an inclined sealing filler 211 is arranged in the hole, and the inclined sealing filler 211 is tightly sealed through an inner cavity filling gland 210 and a gland screw 212, a fixed plate sealing gasket 208 for forming sealing is arranged between the middle valve body 2 and the valve clack guide fixed plate 207, a bevel gear II 204 fixed by a one-way thrust bearing 205 and a locking and cap 206 is installed in the middle valve body 2, the bevel gear I202 and the bevel gear II 204 fixedly supported by a fixed support shaft 201 form gear combination transmission, the valve is opened and closed more stably and the torque is light by utilizing a bevel gear transmission mode, and therefore, the cost is saved on the selection of the actuator 5; one side of the middle valve body 2 is connected with a left valve body 3, a bevel gear I202 is connected with a valve rod 203 which penetrates through a filling hole device of the middle valve body 2, the filling hole position of the valve rod 203 is sequentially provided with a lubricating shaft sleeve 2031, a valve rod fixing sleeve 2032 and a filling 2033, the filling 2033 is fastened through a filling pressing sleeve 2034 and a pressing plate 2035 to form sealing, the top of the left valve body 3 and the top of the right valve body 1 are provided with a bracket 4 through the top of the joint of a bolt and a nut, and an actuator 5 is fastened and installed on the bracket 4 through a bolt;
after the axial flow valve is assembled, the assembled axial flow valve is moved to a place needing to be installed, then the bearing 8 is rotated, the axial flow valve can be effectively installed with connecting pipelines on two sides, then the distance between the base 9 and the ground is adjusted, the axial flow valve is fixed in a limiting mode, the axial flow valve can be prevented from falling and loosening, when the two sides of the axial flow valve and the connecting pipelines are installed, the connecting pipelines are firstly installed into the two sides of the axial flow valve, then the fixing sleeve 6 is loosened, the fixing sleeve 6 is made to effectively fix the connecting position of the axial flow valve and the connecting pipelines, sometimes, because the diameter of a shell of the connecting pipeline is large, the fixing sleeve 6 is fixedly installed with one side of the left valve body 3 through the fixing block 606, the inside of the fixing sleeve 6 is of a multi-section structure, a cavity 601 is formed between every two adjacent parts, an extension chain 602 is arranged in the cavity 601, at the moment, only a limiting rod 604 in the cavity 601 needs to rotate and move upwards, the extension chain 602 can be stretched, when the fixing sleeve 6 is suitable for connecting a pipeline shell after being stretched, the limiting rod 604 is reversely screwed, the bottom of the limiting rod 604 extends into the limiting block 605 to limit the width of the fixing sleeve 6, then the screw 607 is screwed, and the screw 607 is used for pressing down and extruding the redundant fixing sleeve 6 penetrating through the fixing block 606, so that the fixing sleeve 6 cannot be easily loosened, the loosening of the fixing sleeve 6 is avoided, and a gap is easily generated at the installation position of the valve body and the connecting pipeline due to vibration;
then the installation of the axial flow valve is finished, in the normal use process of the axial flow valve, the rotating rod 709 is attached to the outer side of the valve body, and the inner cavity of the installation part of the bottom of the rotating rod 709 and the connecting block 7 is provided with a torsion spring, so that when the valve body generates certain micro vibration when the valve body works, the vibration amplitude of the valve body is reduced by the torsion spring at the bottom of the rotating rod 709, meanwhile, the bottom of the rotating rod 709 is provided with a tooth, the bottom of the rotating rod 709 is provided with a push rod 706, the tooth and the protrusion 707 are utilized to enable the push rod 706 to move from right to left when the rotating rod 709 is vibrated from left to right clockwise, wherein the protrusion 707 is provided with a limiting rope 708 fixedly connected with the top of the push rod 706 on the right side, so that the protrusion 707 cannot rotate left, the clockwise rotating rod 709 can drive the push rod 706 to move left, when the push rod 706 moves left, the push plate fixedly installed in the air block 701 is pushed to move left, thereby push into the intracavity storage in the gas piece 701 left side through two 703 check valves with the gas on gas piece 701 inner chamber right side, make push rod 706 constantly move to the left along with the constantly vibrations of dwang 709 to after gas reaches certain volume in gas piece 701 inner chamber left side, gas blows off from the check valve 702 at gas piece 701 left side top fast, and utilizes gas to clean dry to the valve body surface in the direction of blowing off, avoids the valve body surface because impurity such as raindrop corrodes the valve body surface.
Compared with the common similar devices, the bevel gear transmission light-torque middle cavity non-pressure type adjustable axial flow valve has the advantages that the middle cavity is non-pressure, the position of the filler 2033 is free of leakage, the sealing opening is free of friction, the spherical sealing cost is low, the use working conditions are multiple, the torque is light, the vibration generated during the working of the valve body is reduced, the valve body and the connecting pipeline can be fixed, the valve body and the connecting pipeline are prevented from generating gaps due to working environments and the like, the surface of the valve body can be automatically cleaned, and the corrosion degree of the surface of the valve body is reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a formula axial flow valve is adjusted to light moment of torsion of bevel gear non-pressure formula, includes right valve body (1), well valve body (2) and left valve body (3), its characterized in that: a spring seat (101) is arranged on one side of the right valve body (1), a spring (102) is arranged on one side of the spring seat (101), a high-temperature sealing ring (103) is further arranged on one side of the spring seat (101), a valve seat (104) is arranged on one side of the high-temperature sealing ring (103), a spherical valve flap (105) is arranged on one side of the valve seat (104), a transmission guide screw shaft (106) connected by a screw (108) is arranged on one side of the spherical valve flap (105), a valve flap sealing gasket (107) is arranged between the spherical valve flap (105) and the transmission guide screw shaft (106), a pressure balance hole is further formed in the spherical valve flap (105), a support (4) is arranged at the top of the joint of the left valve body (1) and the right valve body (3), an actuator (5) is arranged at the top of the support (4), a fixing sleeve (6) is arranged on the other side of the right valve body (1) and the left valve body (3), and a connecting block (7) is arranged at the bottom of the fixing sleeve (6), the middle part of the connecting block (7) is provided with a bearing (8), and the bottom of the connecting block (7) is provided with a base (9).
2. The bevel gear transmission light torque middle chamber pressureless adjusting type shaft flow valve according to claim 1, characterized in that: a fixed supporting shaft (201) is arranged on one side of the middle valve body (2), a first bevel gear (202) is arranged at the top of the fixed supporting shaft (201), a valve rod (203) is arranged at the top of the first bevel gear (202), a second bevel gear (204) is arranged on the left side of the first bevel gear (202), a one-way thrust bearing (205) is arranged on the left side of the second bevel gear (204), and a locking nut (206) is arranged on one side of the one-way thrust bearing (205).
3. The bevel gear transmission light torque middle chamber pressureless adjusting type shaft flow valve according to claim 2, characterized in that: the right side of the inner cavity of the middle valve body (2) is provided with a valve clack guide fixing plate (207), the upper side and the lower side of the valve clack guide fixing plate (207) are respectively provided with a fixing plate sealing gasket (208) through a fixing screw (209), an inclined surface sealing packing (211) is arranged between the valve clack guide fixing plate (207) and a transmission guide screw shaft (106), the right side of the valve clack guide fixing plate (207) is provided with an inner cavity packing gland (210), and the inner cavity packing gland (210) and the valve clack guide fixing plate (207) are provided with gland screws (212).
4. The bevel gear transmission light torque middle chamber pressureless adjusting type shaft flow valve according to claim 2, characterized in that: the outer surface of valve rod (203) bottom is provided with lubricated axle sleeve (2031), and the top of lubricated axle sleeve (2031) is provided with the fixed cover of valve rod (2032), and the top of the fixed cover of valve rod (2032) is provided with packs (2033), and the top of packing (2033) is provided with packs and presses cover (2034), and the top of packing pressing cover (2034) is provided with clamp plate (2035).
5. The bevel gear transmission light torque middle chamber pressureless adjusting type shaft flow valve according to claim 1, characterized in that: the inner cavity of the left valve body (3) is provided with a medium flow channel hole (301), and the shape of the medium flow channel hole (301) is designed in an arc shape.
6. The bevel gear transmission light torque middle chamber pressureless adjusting type shaft flow valve according to claim 1, characterized in that: cavity (601) have been seted up around fixed cover (6), the inner chamber of cavity (601) is provided with extends chain (602), chain hole (603) have been seted up at the middle part of extending chain (602), the top movable mounting of cavity (601) has gag lever post (604), the bottom fixed mounting of cavity (601) inner chamber has stopper (605), the diameter size of gag lever post (604) and the diameter size phase-match of chain hole (603), the external surface of gag lever post (604) and the lateral wall of stopper (605) inner chamber all seted up the assorted screw thread.
7. The bevel gear transmission light torque middle chamber pressureless adjusting type shaft flow valve according to claim 6, wherein: the top of fixed cover (6) is provided with fixed block (606), and the top movable mounting of fixed block (606) has screw rod (607).
8. The bevel gear transmission light torque middle chamber pressureless adjusting type shaft flow valve according to claim 1, characterized in that: the inner cavity at the top of the connecting block (7) is provided with an air block (701), the top at the left side of the air block (701) is fixedly provided with a one-way valve I (702), the right side of the inner cavity of the air block (701) is fixedly provided with a one-way valve II (703), the right side of the inner cavity of the air block (701) is movably provided with a push plate (704), and the right side of the air block (701) is provided with an air hole.
9. The bevel gear drive light torque center cavity pressureless adjustable axial flow valve of claim 8, wherein: the right side of the push plate (704) is fixedly connected with the right side of the inner cavity of the air block (701) through a return spring (705), a push rod (706) is fixedly mounted on the right side of the push plate (704), a bulge (707) is movably mounted at the top of the right side of the push rod (706), and the right side of the bulge (707) is fixedly connected with the push rod (706) through a limiting rope (708).
10. The bevel gear drive light torque center cavity pressureless adjustable axial flow valve of claim 9, wherein: the right side at connecting block (7) top is provided with dwang (709), and right valve body (1) is laminated at the top of dwang (709), the bottom shape and protruding (707) shape phase-match of dwang (709).
CN202210364894.7A 2022-04-07 2022-04-07 Bevel gear transmission light torque middle cavity non-pressure type adjusting type shaft flow valve Active CN114857281B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116292950A (en) * 2023-05-23 2023-06-23 江苏诚功阀门科技有限公司 Cut-off integrated valve

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GB2166847A (en) * 1984-05-21 1986-05-14 Alfoeldi Koeolajipari Gepgyar Axial flow valve
GB2186664A (en) * 1986-01-10 1987-08-19 Goodwin R Int Ltd Valve
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CN208348591U (en) * 2018-05-24 2019-01-08 中国船舶重工集团公司第七一九研究所 A kind of novel stop check valve
CN208687077U (en) * 2018-05-07 2019-04-02 中国计量大学 A kind of axial-flow type flow control valve
CN112324937A (en) * 2020-11-07 2021-02-05 苏凤霞 Piston type flow regulating valve
CN214093090U (en) * 2020-10-30 2021-08-31 上海累富阀门科技有限公司 Electric axial flow regulating valve structure

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Publication number Priority date Publication date Assignee Title
GB2166847A (en) * 1984-05-21 1986-05-14 Alfoeldi Koeolajipari Gepgyar Axial flow valve
GB2186664A (en) * 1986-01-10 1987-08-19 Goodwin R Int Ltd Valve
CN2140453Y (en) * 1992-04-10 1993-08-18 辽宁省铁岭阀门厂 Fluid regulating stop-check valve
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CN204553877U (en) * 2015-04-13 2015-08-12 凯瑞特阀业有限公司 The full balance stop valve of ultrahigh pressure
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Publication number Priority date Publication date Assignee Title
CN116292950A (en) * 2023-05-23 2023-06-23 江苏诚功阀门科技有限公司 Cut-off integrated valve
CN116292950B (en) * 2023-05-23 2023-08-04 江苏诚功阀门科技有限公司 Cut-off integrated valve

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