CN106090342A - The check-valves of anti-low-flow vibration - Google Patents

The check-valves of anti-low-flow vibration Download PDF

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Publication number
CN106090342A
CN106090342A CN201610768857.7A CN201610768857A CN106090342A CN 106090342 A CN106090342 A CN 106090342A CN 201610768857 A CN201610768857 A CN 201610768857A CN 106090342 A CN106090342 A CN 106090342A
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CN
China
Prior art keywords
force
vibration
valves
check
flow
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.)
Granted
Application number
CN201610768857.7A
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Chinese (zh)
Other versions
CN106090342B (en
Inventor
许慧云
徐金武
焦伦龄
周晓丰
郑毅黔
瞿山入
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.)
Founder Valve Group Co ltd
Original Assignee
FANGZHENG VALVE GROUP (WENZHOU) MACHINERY MANUFACTURING Co Ltd
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Priority to CN201610768857.7A priority Critical patent/CN106090342B/en
Publication of CN106090342A publication Critical patent/CN106090342A/en
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Classifications

    • 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
    • F16K15/00Check valves
    • F16K15/02Check valves with guided rigid valve members
    • F16K15/03Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • F16K15/033Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member spring-loaded
    • 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
    • F16K35/00Means to prevent accidental or unauthorised actuation
    • F16K35/06Means to prevent accidental or unauthorised actuation using a removable actuating or locking member, e.g. a key
    • 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
    • F16K47/00Means in valves for absorbing fluid energy
    • F16K47/02Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • F16K47/023Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Details Of Valves (AREA)

Abstract

The invention provides the check-valves of a kind of anti-low-flow vibration, when the entrance point of medium channel has non-targeted moving gaseouse medium to flow into, this time, this medium can produce an active force to flap part, there is the trend opened by flap part, and because being additionally arranged vibrationproof assembly, vibrationproof assembly applies the vibrationproof power contrary with non-targeted moving gaseouse medium force direction to flap part, prevent flap from vibrating, rather than etc. flap part wear and tear because of vibration for a long time after rethink way process abrading section, there is abrasion because of vibration in the contact site solving flap and valve seat at root, the problem revealed.

Description

The check-valves of anti-low-flow vibration
Technical field
The present invention relates to a kind of valve, more particularly, it relates to the check-valves of a kind of anti-low-flow vibration.
Background technology
The check-valves of common anti-low-flow vibration is generally as it is shown in figure 1, include valve gap, valve body, valve seat, flap, flap Lid, valve rod, valve gap is arranged at body top, valve seat be arranged in valve body and conflict during flap Guan Bi be connected to meal do both shape Becoming to seal, flap is arranged on rocking bar and is fixed by valve clack cover, and rocking bar is hingedly connected on valve body by valve rod, and valve rod is typically It is placed in valve body.Entrance point in valve body has the active force that fluid media (medium) (such as gas medium, liquid medium) flows into and produces Time sufficiently large, flap is opened, thus realizes fluid media (medium) flowing transmission from entrance point to the port of export.
There is following drawback in the check-valves of this traditional anti-low-flow vibration: when entrance point has a small amount of non-targeted air-flow Medium entrance, produces certain active force to flap but this active force is not enough again so that flap is opened, and now flap will produce Certain vibration and make a noise, meanwhile, if flap is in this state continually, then can cause the contact site of flap and valve seat Leakage can be produced because of abrasion.
Those skilled in the art's common practice is exactly to arrange sealing ring in the contact site of flap and valve seat or increase valve The wearability of this contact site, but these ways all can not solve problem at root, simply extends the time causing abrasion, Whole flap and valve seat still can because of be chronically at such a vibration, the environment of friction and there is leakage.
Summary of the invention
It is an object of the invention to the check-valves being to provide a kind of anti-low-flow to vibrate, prevent the entrance point of check-valves from having non- Cause flap to vibrate when target airflow medium enters, at root, solve the flap contact site with valve seat because of vibration Abrasion, the problem revealed occur.
A kind of anti-low-flow vibration check-valves, including valve body and opening/closing component, be provided with in described valve body band entrance point and The medium channel of the port of export, described opening/closing component is placed in medium channel near entrance point and for controlling entrance point and the port of export Conducting or partition;Described opening/closing component includes the valve rod being arranged on valve body and the flap part being articulated and connected with valve rod, institute Stating valve rod at least one end to pass valve body and constitute force side, described force side has been connected vibrationproof assembly, closes when flap part is in Conjunction state and have non-targeted moving gaseouse medium to flap part produce active force time, flap part is executed by described vibrationproof assembly by force side Adding vibrationproof power, described vibrationproof power is contrary with non-targeted moving gaseouse medium force direction.
By use technique scheme, when the entrance point of medium channel has non-targeted moving gaseouse medium to flow into, this time Wait this medium and flap part can be produced an active force, have the trend opened by flap part, and because being additionally arranged vibrationproof assembly, anti- The assembly that shakes applies the vibrationproof power contrary with non-targeted moving gaseouse medium force direction to flap part, prevents flap from vibrating, and It not to wait flap part after wearing and tearing because of vibration for a long time, to rethink way to process abrading section, at root, solve connecing of flap and valve seat There is abrasion, the problem revealed because of vibration in contact portion position.
Preferably, described vibrationproof assembly includes that energy accumulation member, described energy accumulation member include being set in the torsion spring of force side, divide Gu Ding not connect axle cap and the fixture at torsion spring two ends.
By using technique scheme, vibrationproof assembly not merely applies a vibrationproof power the most simply, more can be right The energy produced in work process carries out energy storage, when having non-targeted moving gaseouse medium effect flap part, can execute flap part at any time Add vibrationproof power.
Preferably, between described force side and torsion spring, chain connection has a fixed cover, and fixed cover and axle cap, force side are the most fixing Connect.
By using technique scheme, torsion spring is not directly connected with the force side of valve body, but is realized by fixed cover Torsion spring and the connection of force side, primarily to be not merely set in outside force side in view of torsion spring, in addition it is also necessary to enter its two ends Row is fixing, in order to make stable connection between all parts reliable, rational in infrastructure, so being additionally arranged fixed cover.
Preferably, described force side is provided with protective cover, and energy accumulation member is placed in protective cover.
By using technique scheme, energy storage member is protected, prevent because maloperation changes energy storage member state Situation occur.
Preferably, described vibrationproof assembly includes the force side of force application component and locking member, described force application component and valve rod Being connected and the keying of band ovable valve stem control valve lobe part, described locking member is fixed on valve body and interlocks mutually with force application component Tight or be mutually disengaged.
By using technique scheme, when locking member and force application component are mutually disengaged, flap can be controlled and open, real Existing entrance point and the conducting of the port of export, thus destination media flows in medium channel;Locking member interlocks mutually with force application component Time tight, it is ensured that force application component effectively can carry out vibrationproof force by valve body to flap part.
Preferably, described force application component includes pretension flange and the boosting-rod of fixing connection, and pretension flange is solid with force side Fixed connection.
By using technique scheme, operator are exerted a force by boosting-rod, and boosting-rod passes through pretension flange, force Hold and flap part is applied vibrationproof power.
Preferably, described locking member includes the support being fixedly connected with the valve body, the locating piece being hinged on support, described Pretension flange is connected with support and is provided with the screens groove fixing for locating piece towards the side of support.
By using technique scheme, when if desired locking member and force application component are mutually locked, locating piece snaps in card Position groove completes the fixing of support and pretension flange;If desired, when locking member and force application component are mutually disengaged, locating piece departs from card Position groove completes support and the separation of pretension flange.
Preferably, the two ends of described valve rod are all stretched out valve body and constitute force side, and two force sides are respectively connected with vibrationproof group Part.
By use technique scheme, flap part is acted on by valve rod two ends simultaneously, it is to avoid single-ended effect and cause The other end has the trend of tilting, it is ensured that vibrationproof assembly is reliable and stable to the effect of flap part.
In sum, the collaborative left and right of force application component, locking member and the energy accumulation member in vibrationproof assembly, locking member is responsible for Vibrationproof assembly and opening/closing component are mutually locked or unlocked, and force application component is responsible for realizing the whole of vibrationproof assembly and opening/closing component Body links, and accumulation of energy assembly releases energy during force application component action or puts aside energy, seems independent between all parts Complete the element task of oneself, but work when can open again after integrating not interfering opening/closing component, and can be It is automatically prevented from opening/closing component during opening/closing component Guan Bi cause vibration because of the active force by non-targeted moving gaseouse medium or open by mistake and open Situation occur.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art check-valves;
Fig. 2 is the structural representation of the embodiment of the present invention 1;
Fig. 3 is the A portion enlarged drawing of Fig. 2;
Fig. 4 is the mounting structure top view of torsion spring.
1. valve body;11. medium channels;12. entrance points;13. ports of export;2. valve gap;3. valve seat;41. valve rods;411. force End;42. flap parts;421. valve clack cover;422. flap bodies;51. force application components;511. pretension flange;5111. screens groove; 512. boosting-rod;52. locking members;521. support;522. locating piece;523. jointed shaft;53. energy accumulation member;531. torsion spring; 532. axle cap;533. fixture;534. fixed cover;54. protective covers.
Specific embodiment
The detailed description of the invention that refer to-4 couples of present invention of Fig. 1 illustrates.
Embodiment 1
The structure that the present embodiment has part identical with prior art is as follows:
As it is shown in figure 1, the check-valves of a kind of anti-low-flow vibration, including the fixing valve body 1 connected and valve gap 2, described valve body 1 Inside it is provided with the medium channel 11 of valve seat 3 and band entrance point 12 and the port of export 13, is provided with near entrance point 12 in medium channel 11 For the opening/closing component controlling entrance point 12 and the port of export 13 turns on or cuts off.Described opening/closing component includes being arranged on valve body 1 Valve rod 41 and the flap part 42 that is articulated and connected with valve rod 41, described flap part 42 includes by confining bolt fixed-link Valve clack cover 421 and flap body 422, valve clack cover 421 is articulated and connected with valve rod 41, flap body 422 receive the driving of valve rod 41 with Valve seat 3 is formed and seals against each other or be mutually disengaged, and when the two seals, entrance point 12 and the port of export 13 cut off;When the two departs from, import End 12 and the port of export 13 turn on.
The structure that the present embodiment and prior art have difference part is as follows:
As shown in Figure 2,3, described valve rod 41 two ends all pass valve body 1 and constitute force side 411, and described each force side 411 all joins Be dynamically connected vibrationproof assembly, when flap part 42 is in closure state and has non-targeted moving gaseouse medium that flap part 42 is produced active force Time, described vibrationproof assembly applies vibrationproof power by force side 411 to flap part 42, and described vibrationproof power is made with non-targeted moving gaseouse medium Power thrusts is contrary.
Described vibrationproof assembly includes force application component 51, locking member 52 and energy accumulation member 53.
The force side 411 of described force application component 51 and valve rod 41 is connected and band ovable valve stem 41 controls opening of flap part 42 Closing, described locking member 52 is fixed on valve body 1 and mutually locks with force application component 51 or be mutually disengaged, described energy accumulation member 53 At adjoint force application component 51, opening/closing component is carried out stored energy when force is allowed to close, with force application component 51 to opening/closing component Carry out releasing energy when force is allowed to close.
Described force application component 51 includes pretension flange 511 and the boosting-rod 512 of fixing connection, pretension flange 511 and force End 411 is fixing to be connected.Described locking member 52 include fixing with valve body 1 be connected support 521, be hinged on by jointed shaft 523 Locating piece 522 on support 521.Described pretension flange 511 is connected with support 521 and is provided with confession towards the side of support 521 The fixing screens groove 5111 of locating piece 522, as shown in Figure 4, screens groove 5111 is provided with several and uniformly divides along its circumferencial direction Cloth.It should be strongly noted that so that pretension flange 511 can be effectively fixed by locating piece 522, will not be because of gravity Acting on and automatically disengage pretension flange 511, therefore the present embodiment is preferred, locating piece 522 is perpendicular to the jointed shaft 523 of valve body 1 Ground.
Described energy accumulation member 53 includes being set in the torsion spring 531 of force side 411, being respectively fixedly connected with torsion spring 531 two ends Axle cap 542 and fixture 533, wherein, fixture 533 is pretension flange 511(and needs herein, fixture 533 and pretension Flange 511 can also be different two parts, and now fixture 533 needs fixing connection with pretension flange 511, but considers From the point of view of so from effect, do not increase beneficial effect and instead add manufacturing cost, so the present embodiment is preferably Fixture 533 is pretension flange 511).Between described force side 411 and torsion spring 531, interference fits or interference fit have fixing Set 534, fixed cover 534 is fixedly connected with axle cap 542, force side 411.
Described force side 411 is provided with protective cover 54, and energy accumulation member 53 is placed in protective cover 54.The two ends of described valve rod 41 are equal Stretching out valve body 1 and constitute force side 411, two force sides 411 are respectively connected with vibrationproof assembly.
Embodiment 2
Difference with embodiment 1 is, valve rod 41 only one end is stretched out valve body 1 and constituted force side 411.
Specific operation process is as follows:
Boosting-rod 512 is exerted a force by operator, controls pretension flange 511 and rotates, pretension flange 511 band ovable valve stem 41 turns Dynamic, valve rod 41 rotates and drives flap part 42 closure or openness.Rotated by pretension flange 511 band ovable valve stem 41 at boosting-rod 512 During, because the torsion spring 531 on force side 411 is fixing connection with pretension flange 511 and axle cap 542, turn round Spring 531 can be in accumulation of energy or the state released energy according to the rotation direction of pretension flange 511.When flap body 422 and valve seat 3 When being in closure state, because there being torsion spring 531 to be in energy accumulating state, this time is when having non-targeted moving gaseouse medium from entrance point 12 enter, when striking flap body 422, because flap body 422 and valve seat 3 are inherently in closure state, this time Torsion spring 531 can apply a vibrationproof power contrary with non-targeted moving gaseouse medium active force to valve rod 41 automatically, effectively prevents flap Body 422 produces to vibrate or open by mistake and opens;When flap body 422 is in opening with valve seat 3, torsion spring 531 is in storage and releases Put energy state, do not interfere the circulation of target fluid medium.

Claims (8)

1. a check-valves for anti-low-flow vibration, including valve body (1) and opening/closing component, described valve body is provided with band import in (1) End (12) and the medium channel (11) of the port of export (13), described opening/closing component is close entrance point (12) in being placed in medium channel (11) And be used for controlling entrance point (12) and the conducting of the port of export (13) or partition;Described opening/closing component includes being arranged on valve body (1) Valve rod (41) and the flap part (42) that is articulated and connected with valve rod (41), it is characterised in that: described valve rod (41) at least one end Passing valve body (1) and constitute force side (411), described force side (411) have been connected vibrationproof assembly, when flap part (42) is in Closure state and have non-targeted moving gaseouse medium to flap part (42) produce active force time, described vibrationproof assembly passes through force side (411) flap part (42) being applied vibrationproof power, described vibrationproof power is contrary with non-targeted moving gaseouse medium force direction.
The check-valves of anti-low-flow the most according to claim 1 vibration, it is characterised in that described vibrationproof assembly includes accumulation of energy Component (53), described energy accumulation member (53) includes being set in the torsion spring (531) of force side (411), being respectively fixedly connected with torsion spring (531) axle cap (532) at two ends and fixture (533).
The check-valves of anti-low-flow the most according to claim 2 vibration, it is characterised in that described force side (411) and torsion Between spring (531), chain connection has fixed cover (534), and fixed cover (534) and axle cap (532), force side (411) are all fixing even Connect.
The check-valves of anti-low-flow the most according to claim 3 vibration, it is characterised in that described force side (411) are provided with Protective cover (54), energy accumulation member (53) is placed in protective cover (54).
The check-valves of anti-low-flow the most according to claim 1 vibration, it is characterised in that described vibrationproof assembly includes force Component (51) and locking member (52), described force application component (51) is connected with the force side (411) of valve rod (41) and drives Valve rod (41) controls the keying of flap part (42), described locking member (52) be fixed on valve body (1) upper and with force application component (51) Mutually lock or be mutually disengaged.
The check-valves of anti-low-flow the most according to claim 5 vibration, it is characterised in that described force application component (51) includes The fixing pretension flange (511) connected and boosting-rod (512), pretension flange (511) is fixing with force side (411) to be connected.
The check-valves of anti-low-flow the most according to claim 6 vibration, it is characterised in that described locking member (52) includes The support (521) being connected, the locating piece (522) being hinged on support (521), described pretension flange (511) is fixed with valve body (1) It is connected with support (521) and is provided with the screens groove (5111) fixing for locating piece (522) towards the side of support (521).
8. according to the check-valves of the anti-low-flow vibration that in claim 1-7, any one is described, it is characterised in that described valve rod (41) two ends are all stretched out valve body (1) and constitute force side (411), and two force sides (411) are respectively connected with vibrationproof assembly.
CN201610768857.7A 2016-08-29 2016-08-29 The check-valves of anti-low-flow vibration Active CN106090342B (en)

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Application Number Priority Date Filing Date Title
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CN106090342B CN106090342B (en) 2019-01-04

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997008481A1 (en) * 1995-08-29 1997-03-06 Kabushiki Kaisha Yokota Seisakusho Swing type non-water hammer check valve
CN201069005Y (en) * 2007-07-09 2008-06-04 湖北洋丰股份有限公司 Synthetic ammonia production line dedicated check-valve
CN201787138U (en) * 2010-09-10 2011-04-06 浙江鼎力阀门有限公司 Obliquely-arranged sealing double-plate buffering check valve
CN203880156U (en) * 2014-06-12 2014-10-15 卢子童 Check valve capable of eliminating noise and preventing burst
CN205937994U (en) * 2016-08-29 2017-02-08 方正阀门集团(温州)机械制造有限公司 Prevent check valve of low air current vibration

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997008481A1 (en) * 1995-08-29 1997-03-06 Kabushiki Kaisha Yokota Seisakusho Swing type non-water hammer check valve
CN201069005Y (en) * 2007-07-09 2008-06-04 湖北洋丰股份有限公司 Synthetic ammonia production line dedicated check-valve
CN201787138U (en) * 2010-09-10 2011-04-06 浙江鼎力阀门有限公司 Obliquely-arranged sealing double-plate buffering check valve
CN203880156U (en) * 2014-06-12 2014-10-15 卢子童 Check valve capable of eliminating noise and preventing burst
CN205937994U (en) * 2016-08-29 2017-02-08 方正阀门集团(温州)机械制造有限公司 Prevent check valve of low air current vibration

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Effective date of registration: 20190415

Address after: 325024 No. 1921 Binhai Road, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province

Patentee after: FANGZHENG VALVE GROUP CO.,LTD.

Address before: 325024 No. 1921 Binhai Park, Wenzhou Economic and Technological Development Zone, Zhejiang Province

Patentee before: FANGZHENG VALVE GROUP (WENZHOU) MACHINERY MANUFACTURING Co.,Ltd.

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Address after: 325000 no.1921 Binhai 1st Road, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province

Patentee after: Founder Valve Group Co.,Ltd.

Address before: 325024 No. 1921 Binhai Road, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province

Patentee before: FANGZHENG VALVE GROUP Co.,Ltd.

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Denomination of invention: Check valve for preventing low air flow vibration

Effective date of registration: 20211126

Granted publication date: 20190104

Pledgee: Zhejiang bank Wenzhou Limited by Share Ltd. Yongjia branch

Pledgor: Founder Valve Group Co.,Ltd.

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Registration number: Y2021330002384

PC01 Cancellation of the registration of the contract for pledge of patent right