CN106402568B - A kind of exhaust lift hydrant certainly - Google Patents

A kind of exhaust lift hydrant certainly Download PDF

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Publication number
CN106402568B
CN106402568B CN201611015094.5A CN201611015094A CN106402568B CN 106402568 B CN106402568 B CN 106402568B CN 201611015094 A CN201611015094 A CN 201611015094A CN 106402568 B CN106402568 B CN 106402568B
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CN
China
Prior art keywords
equipped
outer
inner tube
collet
elbow
Prior art date
Application number
CN201611015094.5A
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Chinese (zh)
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CN106402568A (en
Inventor
邱学东
贾瑞山
徐赟
杨文科
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邱学东
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Priority to CN201611015094.5A priority Critical patent/CN106402568B/en
Publication of CN106402568A publication Critical patent/CN106402568A/en
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Publication of CN106402568B publication Critical patent/CN106402568B/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
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/04Devices damping pulsations or vibrations in fluids
    • F16L55/045Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
    • 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
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/04Devices damping pulsations or vibrations in fluids
    • F16L55/045Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
    • F16L55/055Valves therefor

Abstract

A kind of exhaust lift hydrant certainly, it is related to water conservancy equipment technical field, including elbow, inner tube, gland, outer tube and collet, the elbow is connected with inner tube, said inner tube is in outer in-pipe, outer tube upper end is equipped with gland, outer tube is connected with collet, the collet is equipped with an exhaust valve, the exhaust valve includes outer mounting shell, the outer mounting shell is equipped with locating part, the outer mounting shell top is equipped with the elastic sealed body for allowing water flow to pass through, floating ball is placed between locating part and elastic sealed body, the water outlet that the floating ball floats on obstruction elastic sealed body, the present invention by means of exhaust valve design, eliminate water hammer, it is poor that seal with elastometic washer effect is avoided using valve composite component, the water plug structure is simple, switch is convenient, manufacturing process science, it is economical and practical, it can be widely applied to field irrigation, Urban green space, plumbing.

Description

A kind of exhaust lift hydrant certainly

Technical field

It is specifically a kind of from exhaust lift hydrant the present invention relates to water conservancy equipment technical field.

Background technique

Existing water feeding switch valve arrangement is relatively complicated, and there are also iron metal parts for some, is easy corrosion, or even envelope Close not tight, easy leak etc..

Chinese patent CN105570469A discloses a kind of fluid switching valve, and this valve is by means of on valved tube and valve seat Sealing ring squeeze realize fluid on-off.But there is also some problems.

First constantly rubs with valved tube with sealing ring back and forth, and bolt and sealing ring loosen, and leads to the fluid switching valve Sealing effect reduce or failure;

Second is fixed taper platform using bolt, and this mode is impregnated by long-term flowing water, and bolt corrosion situation is serious, Lose the original intention that original design bolt is readily disassembled installation sealing ring;

The third fluid switching valve guiding performance is bad, and people are in progress hydrant in use, often drawing from the top down Pull, squat and on one side or stand by, the up and down direction of power thrusts and fluid switching valve is in a certain angle, be easy pull-up or It misplaces when pushing, causes the phenomenon of colliding with of seal serious, while can also cause the seal failure phenomenon at two-way sealing ring.

4th when people are turned on or off hydrant, easily cause water hammer, and water hammer is also known as water attack.Water (or its His liquid) in transmission process, due to valve opens or closes suddenly, water pump stops suddenly, opens and closes guide vane etc. suddenly, make to flow The phenomenon that suddenly change occurs for speed, while pressure generation is fluctuated widely.Water hammer easily causes tube wall to destroy, service life Shorten.

Summary of the invention

Bad for fluid switching valve sealing effect existing in the prior art, guiding performance is poor, there are water hammers etc. to ask Topic, the present invention provide a kind of exhaust lift hydrant certainly, can be to avoid the generation of the above problem.

The technical scheme adopted by the invention to solve the technical problem is that:

A kind of exhaust lift hydrant, including elbow, inner tube, gland, outer tube and collet certainly, the elbow and inner tube phase Connection, said inner tube are equipped with gland in outer in-pipe, outer tube upper end, and outer tube is connected with collet, and the collet is equipped with One exhaust valve, the exhaust valve include outer mounting shell, and the outer mounting shell is equipped with locating part, and the outer mounting shell top is equipped with The elastic sealed body for allowing water flow to pass through is placed with floating ball between locating part and elastic sealed body, and the floating ball, which floats, to be blocked Water outlet on elastic sealed body.

Further, the locating part is limited block, and elastic sealed body is elastic baffle ring, is equipped on the inside of the outer mounting shell Limited block, outer mounting shell top are equipped with outer spiral cover, and elastic baffle ring is equipped between outer spiral cover and outer mounting shell, elastic baffle ring with Floating ball is placed between limited block.

Further, the elbow includes elbow shell, is equipped with snap ring in elbow shell water outlet, is equipped in elbow shell lower end fast Fast clamp, is equipped with fixture block on the inside of Rapid chuck, which matches with the strip on inner tube top.

Further, be equipped with valve composite component on the downside of inner tube, the valve composite component by with the sealing on collet The on-off switch control of fluid is realized in the clutch of platform.

Further, the valve composite component 7 includes connector, valve body and sealing element, and inner tube passes through with valve body Connector is connected.

Further, the valve body is equipped with the through-hole inside and outside connection valve body, the compound package of sealing element On the inside of valve body and outside and connected inside and outside sealing element by through-hole on valve body.

Further, there are several guide pins around valve body circumferential array, be equipped on outer tube for limiting inner tube level The mobile guide plate in direction, the guide plate are matched with guide pin.

Further, said inner tube is equipped with gland, sets between the outer tube and gland in outer in-pipe, outer tube upper end There is sealing ring, the sealing ring is contacted with inner tube, and the sealing ring is rubber ring or silica gel ring.

Further, the collet is equipped with sealing station, and sealing station is connected with collet by bracket, the sealing station, Bracket is disposably integrally formed with collet.

Further, the elbow is threaded connection, Rapid chuck connection, Nian Jie or flange company with the connection type of inner tube One of connect.

The beneficial effects of the present invention are:

The present invention eliminates water hammer by means of the design of exhaust valve, while when pulling up or pushing elbow, at this Guide functions can also be played, manpower is saved;Repeatedly friction is avoided in such a way that valve composite component is arranged in inner tube lower part to make At seal with elastometic washer effect difference phenomenon, and the via design of the valve body in valve composite component, guide pin design enhancing The composite effect of sealing element.The water plug structure is simple, switch is convenient, manufacturing process is scientific, economical and practical, can be widely applied In field irrigation, urban green space, plumbing.

Detailed description of the invention

Fig. 1 is three dimensional structure diagram of the invention;

Fig. 2 is cross-sectional view of the invention;

Fig. 3 is the three dimensional structure diagram of elbow;

Fig. 4 is the cross-sectional view of elbow;

Three dimensional structure diagram when Fig. 5 is separate structure;

Fig. 6 is explosive view of the invention;

Fig. 7 is the explosive view of valve composite component with inner pipe;

Structural schematic diagram when Fig. 8 is sealing element and valve body fractionation;

Fig. 9 is the three dimensional structure diagram of outer tube;

Figure 10 is the cross-sectional view of outer tube;

Figure 11 is the three dimensional structure diagram of collet;

Figure 12 is the cross-sectional view of collet;

Figure 13 is the three dimensional structure diagram of exhaust valve;

Figure 14 is the cross-sectional view of exhaust valve;

Three dimensional structure diagram when Figure 15 is elbow and inner tube integrated injection molding.

In figure: 1 elbow, 101 elbow shells, 102 snap rings, 103 Rapid chucks, 104 fixture blocks, 2 inner tubes, 3 glands, 4 outer tubes, 401 outer pipe shells, 402 external screw threads, 403 guide plates, 5 collets, 501 sealing station, 502 inside mounting holes, 503 brackets, 6 exhaust valves, 601 outer spiral covers, 602 outer mounting shells, 603 elastic baffle rings, 604 floating balls, 605 limited blocks, 7 valve composite component, 701 connectors, 702 valve bodies, 703 sealing elements, 704 guide pins, 705 through-holes, 706 outer membranes, 707 inner membrances, 8 cappings.

Specific embodiment

It should include elbow 1, inner tube 2, gland 3, outer tube 4 and collet from exhaust lift hydrant as shown in Fig. 1 to Figure 15 5。

The elbow is connected with inner tube 6, and the two connection type can be threaded connection, Rapid chuck connection, bonding or method One of orchid connection.As shown in figure 15, elbow is one of the forming with inner tube, using integrated injection molding or other modes.Such as Shown in Fig. 2 to Fig. 4, the elbow 1 includes elbow shell 101, snap ring 102 is equipped in 101 water outlet of elbow shell, for consolidating for water pipe It is fixed.101 lower end of elbow shell be equipped with Rapid chuck 103, on the inside of Rapid chuck 103 be equipped with fixture block, the Rapid chuck 103 with it is interior The strip on pipe top matches, and the clamping of elbow and inner tube can be realized in turning gland.

Using the split-type structure of elbow and inner tube, first can effectively avoid steal phenomenon, and second is capable of selectivity The height of the hydrant is adjusted, while can be conveniently replaceable when elbow destroys, rather than former hydrant elbow and inner tube While replace, reduce use cost.

When removing elbow, in order to avoid sundries is fallen into inner tube, as shown in figure 5, portion is equipped with capping 8, institute on inner pipe Stating capping 8 equally may be designed as express delivery clamp form, and the sealing of inner tube 2 can be realized in rotary closure.The capping 8 is equipped with saturating Air from inner tube can be discharged, avoid water hammer by stomata.

On the downside of inner tube 6 be equipped with valve composite component 7, the valve composite component 7 by with the sealing station 501 on collet 5 Clutch realize hydrant switch, thus realize fluid on-off switch control.

As shown in Figures 7 and 8, the valve composite component 7 includes connector 701, valve body 702 and sealing element 703, interior Pipe 2 is connected with valve body 702 by connector 701.

The sealing element is made of thermoplastic elastomer (TPE).

702 lower part of valve body is preferably broadening formation, can also be circular platform type or cylindricality, valve body 702 and connector It is connected, bonding can be used, be threadedly coupled etc..The sealing element is compound to be wrapped in valve body inside and outside and passes through valve Inside and outside through-hole connection sealing element on body.

The recombination process of sealing element and valve body selects thermoplastic elastomer (TPE) to be compounded on ABS plastic or PC plastic component. Valve body is first passed through into mold and injection molding machine injection molded using ABS plastic part or PC plastic part, it is final multiple to be then placed in production In the mold of component, because valve body 702 is different from the material of sealing element 703, therefore fusing point is different.Through injection molding machine to thermoplastic elastomehc Property body heat it is molten, it is cooling, and then be combined into one.

Sealing element 703 and valve body 702 tend to integral structure, integral production, without other assemblies, globality through compound It is good, there is good stability in use.

In order to enhance composite effect, on valve body 702 be equipped with connection valve body inside and outside two sides through-hole 705, in this way when Sealing element it is compound to valve body when, enable to the outer membrane 706 on sealing element 703 to be connected to inner membrance 707, enhance composite effect, Prevent from coming off valve body.Defined herein outer membrane 706 is that sealing element is coated on the part on the outside of valve body;Inner membrance 707 is sealing Part is coated on the part on the inside of valve body.

There are several guide pins 704 around valve body circumferential array, the design of this guide pin 704 is simultaneously also to a certain degree On enhance the composite effect of sealing element, play the role of bracket, and not merely as guiding component part exist.In outer tube 4 are equipped with for limiting the mobile guide plate 403 of inner tube horizontal direction, and the guide plate 403 is matched with guide pin 704.

As shown in FIG. 9 and 10, the outer tube includes outer pipe shell 401, and external screw thread 402 is equipped on the outside of the outer pipe shell 401, Guide plate 403 is equipped on the inside of outer pipe shell, for limiting the shaking of inner tube or so.So that inner tube can only be along moving down on outer tube It is dynamic.

Said inner tube 2 moves in outer tube 4, and 4 upper end of outer tube is equipped with gland 3, for carrying out between inner tube 2 and outer tube 4 Sealing.Further, sealing ring is equipped between the outer tube and gland, the sealing ring is contacted with inner tube, in carrying out The sealing of pipe and outer tube.The sealing ring can be rubber ring or silica gel ring.

As shown in Fig. 2, outer tube 3 is connected with collet 4.

As is illustrated by figs. 11 and 12, the collet 5 is equipped with sealing station 501, and sealing station 501 and collet 5 pass through bracket 503 It is connected, shown sealing station 501, bracket 503 and collet 5 are disposably integrally formed, and the shape of shown sealing station 501 can be column Shape, taper, frustum and other cooperation carries out the shape of control fluid on-off with sealing element;

In order to eliminate water hammer, it is equipped with internal mounting hole 502 in the middle part of collet 5, is equipped in internal mounting hole 502 Exhaust valve 6, the exhaust valve 6 can connection inner tube and collet so that the gas for remaining in collet lower part passes through from the exhaust valve, Water hammer is avoided the occurrence of, while when opening, closing hydrant, can reduce the pressure difference of two sides, also there is guide effect.

As shown in Figure 13 and Figure 14, exhaust valve 6 includes outer mounting shell 602, is equipped with limited block on the inside of the outer mounting shell 602 605, outer 602 top of mounting shell is equipped with outer spiral cover 601, elastic baffle ring 603 is equipped between outer spiral cover and outer mounting shell, in elasticity Floating ball 604 is placed between baffle ring and limited block.

The elasticity baffle ring 603 also can be replaced obstacle that is flexible and can allow for water flow to pass through, such as band hole Sheet rubber.

In this way, after hydrant is closed, if there are gas below collet, gas can be discharged from the exhaust valve, and this When floating ball under the action of water pressure, compress elastic baffle ring, the sealing of valve be exhausted, water cannot then flow out in inner tube from this.

Substantially be not in water hammer because gas is not present below collet at this time when opening hydrant, and pull up When elbow, the hydraulic pressure received at floating ball becomes smaller, and there is the phenomenon that leakage at elastic baffle ring, water conservancy diversion occurs.

When closing hydrant, floating ball is greater than upward hydraulic pressure by downward hydraulic pressure, and floating ball moves down, thus at exhaust valve Water conservancy diversion is obvious, can be more easier to push inner tube, so that sealing element is contacted with sealing station, realizes sealing.And sealing station with it is close After sealing contact, floating ball is realized the sealing of hydrant so that floating ball is contacted with elastic baffle ring by upward larger hydraulic pressure.

The hydrant is mountable in a protection well, do not need using when press in well, the protection well is including having The protection vertical shaft and a cover board of some strength, the protection vertical shaft are embedded in below ground, and external force can be done directly on cover board and protection Well avoids the destruction of hydrant, provides space for maintenance or using hydrant.

Except for the technical features described in the specification, it all is technically known to those skilled in the art.

Claims (4)

1. a kind of be connected from exhaust lift hydrant, including elbow, inner tube, gland, outer tube and collet, the elbow with inner tube It connects, said inner tube is equipped with gland in outer in-pipe, outer tube upper end, and outer tube is connected with collet, characterized in that the collet It is equipped with an exhaust valve, the exhaust valve includes outer mounting shell, and the outer mounting shell is equipped with locating part, on the outer mounting shell Portion, which is equipped with, allows the elastic sealed body that passes through of water flow, is placed with floating ball between locating part and elastic sealed body, on the floating ball Water outlet on floating obstruction elastic sealed body, the locating part are limited block, and elastic sealed body is elastic baffle ring, the outer installation Limited block is equipped on the inside of shell, outer mounting shell top is equipped with outer spiral cover, elastic baffle ring is equipped between outer spiral cover and outer mounting shell, It is placed with floating ball between elastic baffle ring and limited block, is equipped with valve composite component on the downside of inner tube, the valve composite component passes through Clutch with the sealing station on collet realizes that the on-off switch of fluid controls, and the valve composite component includes connector, valve Body and sealing element, inner tube are connected with valve body by connector, and the valve body is equipped with inside and outside connection valve body Through-hole, the sealing element is compound to be wrapped in valve body inside and outside and is connected inside and outside sealing element by the through-hole on valve body There are several guide pins in two sides around valve body circumferential array, are equipped on outer tube for limiting leading for inner tube horizontal direction movement To plate, the guide plate is matched with guide pin,
The collet is equipped with sealing station, and sealing station is connected with collet by bracket, and the sealing station, bracket and collet are primary Property is integrally formed.
2. according to claim 1 a kind of from exhaust lift hydrant, characterized in that the elbow includes elbow shell, It is equipped with snap ring in elbow shell water outlet, Rapid chuck is equipped in elbow shell lower end, fixture block is equipped on the inside of Rapid chuck, this is quickly Clamp is matched with the strip on inner tube top.
3. according to claim 1 a kind of from exhaust lift hydrant, characterized in that said inner tube is moved in outer tube Dynamic, outer tube upper end is equipped with gland, sealing ring is equipped between the outer tube and gland, the sealing ring is contacted with inner tube, described Sealing ring is rubber ring or silica gel ring.
4. according to claim 1 a kind of from exhaust lift hydrant, characterized in that the connection of the elbow and inner tube Mode is one of threaded connection, Rapid chuck connection, bonding or flanged joint.
CN201611015094.5A 2016-11-18 2016-11-18 A kind of exhaust lift hydrant certainly CN106402568B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611015094.5A CN106402568B (en) 2016-11-18 2016-11-18 A kind of exhaust lift hydrant certainly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611015094.5A CN106402568B (en) 2016-11-18 2016-11-18 A kind of exhaust lift hydrant certainly

Publications (2)

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CN106402568A CN106402568A (en) 2017-02-15
CN106402568B true CN106402568B (en) 2018-12-18

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6393962B1 (en) * 1999-12-01 2002-05-28 Showa Corporation Power steering apparatus
CN204756135U (en) * 2015-08-03 2015-11-11 浙江力创阀门制造有限公司 Waterproof hammer air bleeding valve
CN205124599U (en) * 2015-10-28 2016-04-06 黄哲 Irrigate with telescopic rotary -type hydrant
CN205534703U (en) * 2016-02-02 2016-08-31 济宁水脉农业科技有限公司 Irrigate with telescopic rotary -type hydrant
CN205559917U (en) * 2016-03-29 2016-09-07 张延峰 Rotatory over -and -under type has carminative stealthy hydrant of body
CN206191153U (en) * 2016-11-18 2017-05-24 邱学东 From exhaust over -and -under type hydrant

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6393962B1 (en) * 1999-12-01 2002-05-28 Showa Corporation Power steering apparatus
CN204756135U (en) * 2015-08-03 2015-11-11 浙江力创阀门制造有限公司 Waterproof hammer air bleeding valve
CN205124599U (en) * 2015-10-28 2016-04-06 黄哲 Irrigate with telescopic rotary -type hydrant
CN205534703U (en) * 2016-02-02 2016-08-31 济宁水脉农业科技有限公司 Irrigate with telescopic rotary -type hydrant
CN205559917U (en) * 2016-03-29 2016-09-07 张延峰 Rotatory over -and -under type has carminative stealthy hydrant of body
CN206191153U (en) * 2016-11-18 2017-05-24 邱学东 From exhaust over -and -under type hydrant

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