CN106286908A - A kind of quiet Slow Close Valve of high-performance - Google Patents
A kind of quiet Slow Close Valve of high-performance Download PDFInfo
- Publication number
- CN106286908A CN106286908A CN201610710193.9A CN201610710193A CN106286908A CN 106286908 A CN106286908 A CN 106286908A CN 201610710193 A CN201610710193 A CN 201610710193A CN 106286908 A CN106286908 A CN 106286908A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- connecting rod
- valve seat
- spring
- 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.)
- Pending
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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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
- F16K15/033—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member spring-loaded
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/023—Means 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)
- Mechanically-Actuated Valves (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of quiet Slow Close Valve of high-performance, including valve body, valve seat and flap, valve channel it is provided with in valve body, described valve seat both sides are detachable with valve body fixing to be connected, valve seat middle body stretches into the cavity of valve inner, connect in the one side relative with valve clack sealing surface and have first connecting rod, one end of described first connecting rod connects second connecting rod, described valve body is provided with cylinder body away from the side of valve seat, it is provided with piston in described cylinder body, in described cylinder body, both sides are respectively arranged with the first spring and the second spring, the side of described piston connects piston rod, one end of described piston rod is connected with second connecting rod.After have employed this structure, valve body is reliably connected with valve seat, for the leakage generally occurred within, only need to process after being dismantled by valve seat, and need not all change, and maintenance or on-site maintenance are convenient and swift.The big valve design expanding chamber makes quiet effect obvious, and the setting of cylinder body makes flap can easily open and realize Slow Close.
Description
Technical field
The present invention relates to a kind of check-valves, especially a kind of quiet Slow Close Valve of high-performance.
Background technology
Check-valves is generally used at the pump discharge of the operating mode such as plumbing, sewage disposal, has the reverse flow of cut-off water, protects
The functions such as the work efficiency protecting pump and improve pump.At present conventional swing check valve stroke is big, frequently switch in the case of noise
Big and serious to the damage of sealing pair, cause shortening service life, whole valve, increase can only be changed when it is time for repair
Operating cost.
Summary of the invention
Present invention aim to address check-valves frequently switch in the case of noise big and serious to the damage of sealing pair
And the problem that whole valve can only be changed during maintenance.
The technical solution used in the present invention is: a kind of quiet Slow Close Valve of high-performance, including valve body, valve seat and flap,
Being provided with valve channel in valve body, described valve seat both sides are detachable with valve body fixing to be connected, valve seat middle body stretches into valve body
Internal cavity, the cross section in the face that valve seat middle body coordinates with flap is inclined-plane flap inclination time flap is sealed, with
The one side that valve clack sealing surface is relative connects first connecting rod, and one end of described first connecting rod connects second connecting rod, described valve body
Side away from valve seat is provided with cylinder body, and in being provided with piston, described cylinder body in described cylinder body, length direction both sides are respectively provided with
Having the first spring and the second spring and the first spring and the second spring to lay respectively at the both sides of piston, the side of described piston connects
Have piston rod, one end of described piston rod to be connected with second connecting rod, it also include one end to valve channel axis extend spacing
Bar.
As a further improvement on the present invention, the radial direction valve body side being positioned at valve channel is provided with inspection socket, and valve body leans on
The detachable top cover that is fixedly connected with at nearly inspection socket, described gag lever post is connected on top cover.
As a further improvement on the present invention, the line footpath of described first spring is more than the second spring or the line of the second spring
Footpath is equal more than the line footpath of the first spring or the first spring and the second spring.
As a further improvement on the present invention, described valve body be provided with near valve seat and valve body junction the first groove,
Be provided with the first sealing member in first groove, described top cover be provided with near top cover and valve body junction the second groove, second
The second sealing member it is provided with in groove.
The invention has the beneficial effects as follows: after have employed this structure, valve body is reliably connected with valve seat, for generally occur within
Leakage, only need to process after being dismantled by valve seat, and need not all change, and maintenance or on-site maintenance are convenient and swift, and can be with
This valve is reequiped by field working conditions condition.The big valve design expanding chamber makes quiet effect obvious, and the setting of cylinder body makes
Flap can easily be opened and realize Slow Close, effectively reduces water hammer, and the loss of flood peak is less.In a word, this valve can be used in
Exceedingly odious, complex environment and the heavy working condition system of operation task.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is the valve mechanism schematic diagram under flap closed mode.
Fig. 3 is the valve mechanism schematic diagram under flap full-gear.
Fig. 4 is the side view of Fig. 1.
Fig. 5 is the top view of Fig. 1.
Fig. 6 is the valve partial enlarged drawing at top cover.
Fig. 7 is the valve partial enlarged drawing at valve seat.
Shown in figure: 1 valve body, 2 valve seats, 3 flaps, 4 first connecting rods, 5 second connecting rods, 6 cylinder bodies, 7 pistons, 8 first springs,
9 second springs, 10 piston rods, 11 gag lever posts, 12 top covers, 13 first sealing members, 14 second sealing members, 15 major axis, 16 valve shafts, 17
Bearing block, 18 hangers, 19 hangers rotating shafts, 20 plug screws.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention is described further.
Embodiment 1: a kind of quiet Slow Close Valve of high-performance, including valve body 1, valve seat 2 and flap 3, is provided with in valve body
Valve channel, described valve seat both sides are detachable with valve body fixing to be connected, valve seat middle body stretches into the valve body of valve inner and leads to
Road, the cross section in the face that valve seat middle body coordinates with flap be inclined-plane time flap is sealed flap tilt, sealing with flap
The relative one side in face connects first connecting rod 4, and one end of described first connecting rod connects second connecting rod 5, and described valve body is away from valve
The side of seat is provided with cylinder body 6, is provided with length direction both sides in piston 7, described cylinder body and is respectively arranged with the in described cylinder body
One spring 8 and the second spring 9 and the first spring and the second spring lay respectively at the both sides of piston, and the side of described piston connects to be had
Piston rod 10, one end of described piston rod are connected with second connecting rod, it also include one end to valve channel axis extend spacing
Bar 11.
Embodiment 2, the difference with embodiment 1 is: the radial direction valve body side being positioned at valve channel is provided with inspection socket, valve
Body is the detachable top cover 12 that is fixedly connected with at inspection socket, and described gag lever post is connected on top cover.
Embodiment 3, the difference with embodiment 1 is: the line footpath of described first spring is more than the second spring or the second bullet
The line footpath of spring is equal more than the line footpath of the first spring or the first spring and the second spring.
Embodiment 4, the difference with embodiment 1 to 3 is: described valve body is being provided with the near valve seat and valve body junction
Being provided with the first sealing member 13 in one groove, the first groove, described top cover is being provided with second near top cover and valve body junction
The second sealing member 14 it is provided with in groove, the second groove.
In the present invention, valve seat uses Special tooling clamp batch Precision Machining or milled processed to ensure interchangeability, makes criticizing of valve
Amount production becomes easy, and the valve seat of identical bore can be good at exchanging, for assembling, dismantle, safeguarding, the processing scheme such as replacing
Provide possibility.Flap and valve base surface can require to do according to different medium the welding of the materials such as anticorrosion, wear-resisting or hard alloy
Processing, applied widely, valve seat is bumped in valve body, the convenient processing of such structure, assembling, maintains easily maintenance, side
Just arrange production, ensureing to shorten while quality the cycle of production, saving material, reduce maintenance cost.By
One connecting rod, second connecting rod constitute hinge arrangement, first connecting rod, second connecting rod and piston rod with the piston rod of buffer unit
Between connect and be preferably with self-lubricating bearing preferably with gimbal structure linkage, accordingly even when bear a level pressure at flap
In the case of power, first connecting rod and second connecting rod can rotate freely, it is ensured that valve does not have jam phenomenon, Slow Close at running
More secure with quiet effect.The present invention can be connected with piston rod only with a connecting rod and can be realized as transmission, but
It is the bad regulation in position of such cylinder body, so using first connecting rod, second connecting rod to be connected with piston rod, the length of first connecting rod
The length that unit be advantageously shorter than second connecting rod and second connecting rod unit be advantageously shorter than piston rod, so convenient keying.
The connection of flap and valve body this can be implemented so that and is fixed with major axis 15, major axis on flap away from one end of flap
Being movably connected on valve shaft 16, arrange flap shaft bearing 17 in valve body, valve shaft is connected in flap shaft bearing 17.Flap and first
The connection of connecting rod can this can be implemented so that flap is fixed with integrated convex hangers 18 towards the side of cylinder body, and hangers is arranged
The hangers bearing block (hangers bearing is preferably with copper bearing) of self-lubricating, hangers bearing block arranges hangers rotating shaft 19, and first even
Bar is movably connected in hangers rotating shaft away from one end of second connecting rod, so makes flap can be reliably connected also with first connecting rod
And ensure that flap rotates freely, it is ensured that work process is without jam；The sealing pair that valve seat and flap are formed is being bumped into main valve
The most just can be processed by the method ground, refine, it is ensured that reliably seal and exchange.
Valve body and valve seat use bolt to be reliably connected, easy to assembly, for the leakage generally occurred within, only need to be dismantled by valve seat
Rear milled processed and need not all change, maintenance or on-site maintenance convenient and swift.Valve inner uses the big design expanding chamber to make
Fluid media (medium) reliability service under low water drag state all the time, quiet effect is obvious.Cylinder body, piston, the first spring, the second spring
Forming buffer unit with piston rod combination, the first spring and the second spring are preferably with silencing spring, the first spring and the second bullet
The line footpath of spring is preferably that different and the first spring and the second spring length is the most equal (control variable, conveniently passes through line
The difference in footpath changes coefficient of elasticity), specifically which line footpath is determined by the position of the first spring and the second spring, leans on
The line footpath of the spring of nearly valve channel less than or equal to the spring away from valve channel, (such as according to shown in accompanying drawing, the second spring
Line footpath less than or equal to the first spring).Matched in clearance is used, it is ensured that moving axially of piston rod between piston rod and cylinder body.Logical
Cross cylinder body and control the speed of piston rod movement to control the keying speed of flap.Valve seat with bigger gradient, this be from
The aspect of dynamic fluid considers: when valve needs to open, turn on pump, under medium effect, current are washed flap open and only need to be overcome valve
Resistance produced by the deadweight of lobe, the stroke of unlatching is the most relatively short, it is possible to pine is opened, along with pressure medium gradually rises, cylinder
Internal piston to away from the lateral movement at valve body center, piston driving piston rod so that drive second connecting rod make second connecting rod with
The junction of first connecting rod is near the motion of cylinder body direction and be provided with in the case of gag lever post first connecting rod and flap relatively
Junction is to open to towards cylinder body direction to the close direction of gag lever post, flap, and making flap under the action of the spring is gradually
Opening rather than quickly open, when therefore flap is opened, muting function is obvious.When valve needs to cut out, termination of pumping, flap is certainly
Angle that under weight and medium back flow pressure effect, first quick closedown is certain (even if in the case of differential water pressures is the least, flap from
Weight and spring thrust can help valve to close), then being and gradually successively decrease of generation on the damping action lower Disc of spring
Closing forces, therefore last flap can slowly closing (in closing process piston, piston rod, second connecting rod and first connecting rod with
The direction of motion in opening process is contrary), the effect of Slow Close is obvious, and the impact noise of closedown is little, plays sealing surface of seat very
Good protective effect, reaches muting function, effectively reduces water hammer, and the loss of flood peak is less.
In embodiment 1, gag lever post is arranged on valve body in can being not arranged on top cover being provided in valve body, the most not
Cross and be so likely difficult to change.The length of gag lever post is gone out, more by designing the parameter design of the opening angle of stroke or flap
The length changing or regulating gag lever post can regulate switch distance and flap opening angle, makes valve can meet working condition requirement again to valve
Security performance play a protective role.
In example 2, valve body top is with inspection socket, if being in use found to have jam or opening and closing ineffective
The phenomenon lived occurs, and can open top cover and carry out the maintenance (such as removing the greasy dirt on valve seat and impurity) of valve or widget is more
Change, pinpoint the problems in time, it is to avoid big problem and the generation of accident, convenient, solve problem rapidly, facilitate the maintenance of valve and daily
Safeguard.Gag lever post is connected on top cover, convenient dismounting and regulation.
In embodiment 3, determine the line footpath of spring according to different situations, realize opening Slow Close slowly according to the line footpath of spring.
In example 4, valve seat and valve body can with bolts, valve body arranged with valve body junction near valve seat
Having between the first groove, valve seat and valve body and sealed by sealing member the first sealing member, top cover and valve body can also use bolt even
Connect, in top cover and valve body junction are provided with the second groove, the second groove, are provided with the second sealing member, dismantle and assemble
Very convenient and guarantee seals.
In addition floss hole, floss hole can be set valve body bottom (i.e. arranging one end that end of top cover is relative with valve body)
In detachable be fixedly connected with plug screw 20, by lower for plug screw dismounting and at floss hole when needing the foreign material clearing up valve body bottom deposit
Place's adapter, thus the convenient foreign material rinsing, removing valve body bottom deposit.
In addition this valve can be reequiped as follows by this valve with field working conditions condition: such as is arranged to need by flap
Full open, such as need not make valve can only open certain angle, example by gag lever post spacing when flap fully opens
As required the slow closure function of valve removed.
Those skilled in the art are it is to be understood that the protection scheme of the present invention is not limited only to the above embodiments, it is also possible to
Various permutation and combination and conversion is carried out, on the premise of spirit of the present invention, to the present invention on the basis of above-described embodiment
The various conversion carried out all fall within protection scope of the present invention.
Claims (4)
1. the quiet Slow Close Valve of high-performance, including valve body, valve seat and flap, is provided with valve channel in valve body, it is special
Levy and be that described valve seat both sides detachable with valve body fixing are connected, valve seat middle body stretches into the cavity of valve inner, valve seat
The cross section in the face that middle body coordinates with flap be inclined-plane time flap is sealed flap tilt, relative with valve clack sealing surface
One side connects first connecting rod, and one end of described first connecting rod connects has second connecting rod, described valve body to set away from the side of valve seat
Being equipped with cylinder body, described outer wall of cylinder block length direction both sides respectively begin with an inlet, between two inlets by pipeline even
Lead to, on pipeline, be in series with first throttle valve and second throttle, in described cylinder body, be provided with length side in piston, described cylinder body
It is respectively arranged with the first spring and the second spring and the first spring to both sides and the second spring lays respectively at the both sides of piston, described
The side of piston connects has piston rod, one end of described piston rod to be connected with second connecting rod.
A kind of quiet Slow Close Valve of high-performance the most according to claim 1, it is characterised in that described in be positioned at valve channel
Radial direction valve body side be provided with inspection socket, valve body is detachable at inspection socket is fixedly connected with top cover.
A kind of quiet Slow Close Valve of high-performance the most according to claim 2, it is characterised in that be provided with on described top cover
The gag lever post that one end extends to valve channel axis.
A kind of quiet Slow Close Valve of high-performance the most according to any one of claim 1 to 3, it is characterised in that described valve
Body is provided with the first sealing member in valve seat and valve body junction are provided with the first groove, the first groove, and described top cover exists
It is provided with the second sealing member in top cover and valve body junction are provided with the second groove, the second groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610710193.9A CN106286908A (en) | 2016-08-24 | 2016-08-24 | A kind of quiet Slow Close Valve of high-performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610710193.9A CN106286908A (en) | 2016-08-24 | 2016-08-24 | A kind of quiet Slow Close Valve of high-performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106286908A true CN106286908A (en) | 2017-01-04 |
Family
ID=57615619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610710193.9A Pending CN106286908A (en) | 2016-08-24 | 2016-08-24 | A kind of quiet Slow Close Valve of high-performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106286908A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883027A (en) * | 2017-12-06 | 2018-04-06 | 凯瑞特阀业有限公司 | Check-valves |
| CN112081965A (en) * | 2020-09-03 | 2020-12-15 | 浙江宁锚阀门有限公司 | Multifunctional stop valve |
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| US3942551A (en) * | 1975-03-06 | 1976-03-09 | Wheatley Company | Hydraulic damping means for hinged check valve |
| CN201265674Y (en) * | 2008-08-28 | 2009-07-01 | 湖南泵阀制造有限公司 | Double-valve plate control structure of pipe force control valve |
| CN201891849U (en) * | 2010-11-29 | 2011-07-06 | 江苏紫光吉地达环境科技股份有限公司 | Counterweight pneumatic ash discharge valve |
| CN202109038U (en) * | 2011-06-27 | 2012-01-11 | 精工阀门有限公司 | Novel slow shut check valve |
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| CN205315784U (en) * | 2016-01-15 | 2016-06-15 | 合肥通用机械研究院 | Waterproof hammer butterfly check valve of mechanical type |
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2016
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| CN201265674Y (en) * | 2008-08-28 | 2009-07-01 | 湖南泵阀制造有限公司 | Double-valve plate control structure of pipe force control valve |
| CN201891849U (en) * | 2010-11-29 | 2011-07-06 | 江苏紫光吉地达环境科技股份有限公司 | Counterweight pneumatic ash discharge valve |
| CN202109038U (en) * | 2011-06-27 | 2012-01-11 | 精工阀门有限公司 | Novel slow shut check valve |
| CN202252165U (en) * | 2011-10-10 | 2012-05-30 | 铁岭方众阀门有限公司 | Swing micro-resistance slow closing check valve |
| CN103085867A (en) * | 2011-11-04 | 2013-05-08 | 上海华普汽车有限公司 | Hydraulic power steering system and control method thereof |
| CN202867878U (en) * | 2012-10-19 | 2013-04-10 | 遵义鸿鑫环保科技有限公司 | Hinge type cinder valve for dust remover ash bucket of submerged arc furnace |
| CN203585454U (en) * | 2013-12-06 | 2014-05-07 | 安徽铜都流体科技股份有限公司 | Signal regulation type check valve |
| CN205315784U (en) * | 2016-01-15 | 2016-06-15 | 合肥通用机械研究院 | Waterproof hammer butterfly check valve of mechanical type |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883027A (en) * | 2017-12-06 | 2018-04-06 | 凯瑞特阀业有限公司 | Check-valves |
| CN112081965A (en) * | 2020-09-03 | 2020-12-15 | 浙江宁锚阀门有限公司 | Multifunctional stop valve |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
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| RJ01 | Rejection of invention patent application after publication |