CN205781329U - A kind of water resistant hammer full-bore combined air air valve - Google Patents
A kind of water resistant hammer full-bore combined air air valve Download PDFInfo
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- CN205781329U CN205781329U CN201620487432.4U CN201620487432U CN205781329U CN 205781329 U CN205781329 U CN 205781329U CN 201620487432 U CN201620487432 U CN 201620487432U CN 205781329 U CN205781329 U CN 205781329U
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Abstract
The utility model discloses a kind of water resistant hammer full-bore combined air air valve, including check valve body, check valve plate, check-valve spring, non-return valve seat, plug, securing member composition；Check-valves guide pin bushing is by being threadably mounted on check valve body, water resistant hammer full-bore combined air air valve is by micro-exhaust valve A, main exhaust valve B, water resistant hammer muting check valve C tri-part forms, closing forces when can change check-valves valve plate by impacting by the rigidity adjusting check-valve spring, check valve body is connected above main exhaust valve B, and ball float guide rod is integrally formed with main valve ball float by welding manner, and main valve B passes through pipe joint and micro-exhaust valve.Being designed with an aperture on micro-exhaust valve valve gap, can discharge a small amount of air, micro-exhaust valve ball float connects the seal plug of moveable hinge, fixed hinge and its end, constitutes crank-rocker structure.Three parts can be used alone, it is possible to is applied in combination, and intake and exhaust are stable and reliable for performance, safeguards simple, and processing and manufacturing is easy.
Description
Technical field
This utility model patent relates to field of mechanical technique, is exactly a kind of water resistant hammer full-bore Combined air
Valve.
Background technology
Air cock is typically mounted on pressure water tank high point and each aqueduct of pumping plant, in order to be filled at the aqueduct initial stage
After water, pipeline periodic inspection again water-filling time, produced air discharge, it is to avoid pressure oscillation；And when aqueduct produces water
Hammer, when there is negative pressure, air cock is opened, and by pipeline outer air intake line, in order to avoid producing bigger negative pressure in pipeline, plays
Protective conduit effect；When tubing is run, the air dissolved in water in pipeline is made to discharge because of pressure or variations in temperature,
It can be discharged by air cock in time, prevents from being formed in pipeline air bag, and affects the operational efficiency of tubing.Air cock is the most also
It is air bleeding valve or intake valve.
Fig. 1 is the general structure figure of existing air cock, and this valve is by valve body (3 '), ball float (4 '), valve gap (5), valve seat
(6 '), protective cover (7) major part is constituted, and whole valve is connected on pipeline (1 ') by securing member (8 '), when system is opened, and water
Position (2 ') constantly rises, and the gas in pipeline is discharged along (9 ') passage.To ensure running efficiency of system and safety.
If water level (2 ') continues to rise, then ball float (4 ') can be floated rising, cooperatively forms sealing with valve seat (6 '), anti-
Sealing leakage is overflowed.
The shortcoming of this scheme is:
1. it is formed without the cavity of a continuous-stable between valve body (3 ') and ball float (4 '), when ball float (4 ') is blown by air
When rising, ball float (4 ') can shake within the specific limits, to keep balance, so can affect the exhaust performance of whole air cock.
The most whole scheme lacks a micro-exhaust valve door, in order to can continue to discharge on a small quantity after air cock itself seals
Gas in pipeline
The most whole scheme lacks a check valve equally, to prevent from making ball float when systematic water level (2 ') rises rapidly
(4 ') are floated too fast and are collided with valve seat (6 ') and valve gap (5 '), part of damage.So that whole system lost efficacy.
Summary of the invention
The purpose of this utility model is to provide a kind of full-bore combined air air valve with water resistant hammer structure design.It
Provide complete set, the most feasible water resistant hammer and suction and discharge solution, it is intended to make up and solve disadvantages mentioned above
And hidden danger.
The technical solution of the utility model is as follows:
With water resistant hammer structure design full-bore combined air air valve, including water resistant hammer muting check valve assembly C, its by
Check valve body (03), check-valves guide pin bushing (04), check valve plate (05), check-valve spring (06), non-return valve seat (07), plug
(30), securing member III (32) composition；Check-valves guide pin bushing (04) by being threadably mounted on check valve body (03), check-valves valve plate
(05) and check-valve spring (06) is installed between check valve receptacle (07), permissible by adjusting the rigidity of check-valve spring (06)
Closing forces when changing check-valves valve plate (05) by impacting, check-valves valve plate (05) is designed with some pipe plug openings (31), can
To be used for installing plug (30) (choosing to install), by controlling the quantity of plug (30), change the circulation area of check valve plate (05), make
Check-valves valve plate (05) can bear different impulsive forces.
Including main exhaust valve B, it is by main valve body (08), guide rod guide pin bushing (09), main valve ball float (27), main valve lid (25), tight
Firmware II (24), main valve seat fix screw (23), main valve seat (22), protective cover (21), ball float guide rod (20), protective cover securing member
(19) composition；Guide rod guide pin bushing (09) uses and is threadedly coupled on main valve body (08), is designed with a cup-shaped lumen in main valve body (08)
(37), cup-shaped lumen (37) is connected with main valve body (08) by muscle (36), and cup-shaped lumen (37) lower end is designed with a sewage draining exit
(28), ball float guide rod (20) is integrally formed with main valve ball float (27) by welding manner, and main valve seat (22) is fixed by main valve seat
Screw (23) is connected with main valve lid (25), and main valve lid is designed with the macropore (35) air in discharge line.
Including micro-exhaust valve A, it is by micro-exhaust valve valve body (34), micro-exhaust valve valve gap (16), securing member I
(15), fixed hinge (14), moveable hinge (13), micro-exhaust valve ball float (12), black box (11) forms.Micro-exhaust valve
Being designed with an aperture (17) on valve gap (16), it is possible to discharge a small amount of air, the upper connection of micro-exhaust valve ball float (12) has movable hinge
Chain (13), the black box (11) of fixed hinge (14) and its end, constitute crank-rocker structure, micro-exhaust valve A passes through
Pipe joint (10) is connected with main valve B, it is characterised in that:
When pipeline (01) water supply start, water level (02) can gradually rise to the position shown in Fig. 2, now, whole pipeline
Air in system can be arranged from the full-bore combined air air valve of this water resistant hammer structure design along passage in Fig. 2 (33) Suo Shi
Go out, if now water level (02) rises too fast, check-valves valve plate (05) will be risen by air-flow or water impact and along check-valves
Valve seat (07) rises, and check-valve spring (06) can prevent check-valves valve plate (05) mistake to (05) active force of check-valves valve plate
Rise soon and occur to clash in check valve receptacle (07) and damage, as shown in Figure 2.Meanwhile, check-valves valve plate (05) is designed with
Some pipe plug openings (31), can be according to the silk thread (30) being actually needed installation varying number of operating mode, to meet under different situations
The demand of damping.
Rise to B district along with water level (02), take hollow design main valve ball float (27) can because the increase of buoyancy and
Rising, the upper design and installation of valve body of main valve (08) has a guide rod guide pin bushing (09), to guarantee that main valve ball float (27) is in ball float guide rod (20)
Lifting along the allowed band of guide rod guide pin bushing (09).Now, the air in pipeline can resist along passage in Fig. 3 (33) Suo Shi from this
The macropore (35) of the full-bore combined air air valve of water hammer structure design is discharged.
When water level (02) continues to rise, until main valve ball float (27) is floated at peak along guide rod guide pin bushing (20), connect
Contact main valve (22) and form sealing, it is to avoid water is overflowed by valve, now, by main valve ball float (27) and main valve (22)
Between formed annular seal space (26) pressure raise, water level (02) can along be connected on main exhaust valve B pipe joint (10) stream
In micro-exhaust valve A, and the surplus air that main valve B is after forming sealing can be by the aperture on micro-exhaust valve valve gap (16)
(17) discharge, it is ensured that the completeness of aerofluxus and adequacy.Now, the air in whole pipe-line system can be along passage in Fig. 4
(33) discharge from the full-bore combined air air valve of this water resistant hammer structure design shown in.
As shown in Figure 4, along with water level (02) constantly rises in the lumen (18) of micro-exhaust valve valve body (34), trace is arranged
Air in air valve A is constantly discharged by aperture (17), and while water level (02) rises, micro-exhaust valve ball float (12) also can be with
Rising, thus drive the crank-rocker structure connected on it: moveable hinge (13), and the black box (11) of its end enclose
Circumference vertical motion by a small margin is done, when the black box (11) on end rises to the lower edge of aperture 17 around fixed hinge (14)
Time, whole micro-exhaust valve A forms sealing, as shown in Figure 5.Under this state, whole air valve system all outlet ports is all in close
Envelope state, it is impossible to externally discharge air.
Under Fig. 5 state, if the emptying of the air in pipeline, then this sealing state can maintain down, but in water always
The air of 2% can be mixed with, and the water supply of pipeline can not maintain invariable pressure or flow velocity, so will have always always
Air air valve system high point escape, cavity (18) district of micro-exhaust valve A in corresponding diagram 5, due to effusion air not
Break and increase, cause cavity (18) interior pressure constantly to raise, so, water level (02) can decline because of the rising of air pressure, water level
(02) decline can cause the buoyancy of micro-exhaust valve ball float (12) to decline, so that ball float (12) declines, drives crank rocker
Structure: moveable hinge (13), and the black box (11) of its end does circumference by a small margin around fixed hinge (14) and declines dynamic
Making, when the black box (11) on end leaves the lower edge of aperture 17, the seal failure of whole micro-exhaust valve A, air is again
Secondary discharge from aperture (17).Return to the exhaust condition of Fig. 4.
In normal system operation, owing to air can constantly overflow from water, so, micro-exhaust valve A's is little
Sealing mentioned above, breakdown action can be repeated in hole (17) always, to maintain the poised state of whole system.
If situations such as pipe-line system power-off, the damage of upstream water system, overhauls of the equipments, the water level (02) in Fig. 5 can be because of water
Pressure is not enough and rapid decrease, and now, micro-exhaust valve ball float (12) declines, drive crank-rocker structure: moveable hinge (13), with
And the black box (11) of end does circumference down maneuver by a small margin around fixed hinge (14), make the black box on end
(11) leaving the lower edge of aperture 17, outside air is flowed back to pipe-line system by aperture (17), meanwhile, and the main valve ball float (27) of main valve B
Suffered buoyancy also quickly can reduce because of the rapid decrease of water level (02), and main valve ball float (27) can drive ball float guide rod (20) edge
Guide rod guide pin bushing (09) rapid decrease, depart from main valve (22), outside air can flow back to pipeline from macropore (35) rapidly, with
Supplementing is the pressure of pipeline, prevents pipe-line system vacuum, by pressure damage energetically.As shown in gas circuit 33 ' in Fig. 6.
During the falling of water level (02), if water is mixed with other impurity, the blowdown on valve body of main valve (08) can be passed through
Mouth (28) flows out, and reaches self-cleaning effect.
The utility model has the advantages that: modular structure design, module is hammered into shape by A micro-exhaust valve, B main exhaust valve, C water resistant
DRV three part forms, and according to operating mode needs, three parts can be used alone, it is possible to combination of two uses, such as work
Condition need not micro-exhaust valve A, then can be applied in combination with C water resistant hammer muting check valve by B main exhaust valve.Intake and exhaust stable performance
Reliably, possessing more flexible compound mode to apply in different operating modes, safeguard simple, processing and manufacturing is easy, powerful in guarantee
Under stable aerofluxus, air inlet performance, cost is lower.
Accompanying drawing explanation
Fig. 1 is the general structure figure of existing air cock.
Fig. 2 is that this utility model water resistant hammers full-bore combined air air valve structure figure-pipeline service position into shape.
Fig. 3 is that this utility model water resistant hammer full-bore combined air air valve structure figure-water level rises to main valve B zone state.
Fig. 4 is that this utility model water resistant hammer full-bore combined air air valve structure figure-water level rises to main valve B district, main valve B
Being in sealing state, water level rises to micro-exhaust valve A zone state simultaneously.
Fig. 5 is that this utility model water resistant hammer full-bore combined air air valve structure figure-water level rises to main valve B district, main valve B
It is in sealing state.Water level rises to micro-exhaust valve A district simultaneously, and micro-exhaust valve A is in sealing state.
Fig. 6 is that this utility model water resistant hammer full-bore combined air air valve structure figure-pipeline stops supplying water, air valve system
Enter suction condition.
Wherein, C is water resistant hammer muting check valve assembly, and it is by check valve body (03), check-valves guide pin bushing (04), check-valves
Plate (05), check-valve spring (06), non-return valve seat (07), plug (30), securing member III (32) form；Check-valves guide pin bushing (04) leads to
Cross and be threadably mounted on check valve body (03), between check-valves valve plate (05) and check valve receptacle (07), check-valve spring is installed
(06), closing forces when can change check-valves valve plate (05) by impacting by the rigidity adjusting check-valve spring (06), only
Return and be designed with some pipe plug openings (31) on valve valve plate (05), can be used to plug (30) (choosing to install) is installed, by controlling plug
(30) quantity, changes the circulation area of check valve plate (05), makes check-valves valve plate (05) can bear different impulsive forces.
B is main exhaust valve, and it is by main valve body (08), guide rod guide pin bushing (09), main valve ball float (27), main valve lid (25), fastening
Part II (24), main valve seat fix screw (23), main valve seat (22), protective cover (21), ball float guide rod (20), protective cover securing member
(19) composition；Guide rod guide pin bushing (09) produces with being threadedly coupled on main valve body (08), is designed with a cup-shaped lumen in main valve body (08)
(37), cup-shaped lumen (37) is connected with main valve body (08) by muscle (36), and cup-shaped lumen (37) lower end is designed with a sewage draining exit
(28), ball float guide rod (20) is integrally formed with main valve ball float (27) by welding manner, and main valve seat (22) is fixed by main valve seat
Screw (23) is connected with main valve lid (25), and main valve lid is designed with the macropore (35) air in discharge line.
A is micro-exhaust valve, and it is by micro-exhaust valve valve body (34), micro-exhaust valve valve gap (16), securing member I (15),
Fixed hinge (14), moveable hinge (13), micro-exhaust valve ball float (12), black box (11) forms.Micro-exhaust valve valve gap
(16) being designed with an aperture (17) on, it is possible to discharge a small amount of air, the upper connection of micro-exhaust valve ball float (12) has moveable hinge
(13), the black box (11) of fixed hinge (14) and its end, constitute crank-rocker structure, micro-exhaust valve A is by pipe
Joint (10) is connected with main valve B.
Detailed description of the invention
Including check valve body 03, check-valves guide pin bushing 04, check valve plate 05, check-valve spring 06, non-return valve seat 07, plug
30, securing member III 32 composition；Check-valves guide pin bushing 04 is by being threadably mounted on check valve body 03, it is characterised in that: water resistant hammer is complete
Latus rectum combined air air valve is made up of micro-exhaust valve A, main exhaust valve B, water resistant hammer muting check valve C tri-part, check-valves valve
Check-valve spring 06 is installed between plate 05 and check valve receptacle 07, only can be changed by the rigidity adjusting check-valve spring 06
Closing forces when returning valve valve plate 05 by impacting, check-valves valve plate 05 is designed with some pipe plug openings 31, can be used to install silk
Stifled 30, by controlling the quantity of plug 30, change the circulation area of check valve plate 05, make check-valves valve plate 05 can bear difference
Impulsive force, check valve body 03 is connected above main exhaust valve B, main exhaust valve B by main valve body 08, guide rod guide pin bushing 09, main valve ball float
27, to fix screw 23, main valve seat 22, protective cover 21, ball float guide rod 20, protective cover tight for main valve lid 25, securing member II 24, main valve seat
Firmware 19 forms；Guide rod guide pin bushing 09 produces with being threadedly coupled on main valve body 08, is designed with a cup-shaped lumen 37, cup in main valve body 08
Shape lumen 37 is connected with main valve body 08 by muscle 36, and cup-shaped lumen 37 lower end is designed with a sewage draining exit 28, and ball float guide rod 20 leads to
Crossing welding manner to be integrally formed with main valve ball float 27, main valve seat 22 is fixed screw 23 by main valve seat and is connected with main valve lid 25, main
Being designed with the macropore 35 air in discharge line on valve gap, main valve B is by pipe joint 10 and micro-exhaust valve A.
Micro-exhaust valve A its by micro-exhaust valve valve body 34, micro-exhaust valve valve gap 16, securing member I 15, fixed hinge
14, moveable hinge 13, micro-exhaust valve ball float 12, black box 11 forms, and micro-exhaust valve valve gap 16 securing member 15 is fixed
On micro-exhaust valve valve body 34, micro-exhaust valve valve gap 16 is designed with an aperture 17, a small amount of air, trace aerofluxus can be discharged
Connect on valve ball float 12 and have moveable hinge 13, the black box 11 of fixed hinge 14 and its end, constitute crank-rocker structure.
When pipeline 01 water supply start, water level 02 can gradually rise to the position shown in Fig. 2, now, whole pipe-line system
In air can discharge from the full-bore combined air air valve of this water resistant hammer structure design along shown in passage in Fig. 2 33, as
Fruit the most now water level 02 rises too fast, check-valves valve plate 05 will be risen by air-flow or water impact and along on check valve receptacle 07
Rise, check-valve spring 06 can to 05 1 active forces of check-valves valve plate, prevent the too fast rising of check-valves valve plate 05 and in check-valves
Valve seat 07 occurs to clash into and damage, as shown in Figure 2.Meanwhile, check-valves valve plate 05 is designed with some pipe plug openings 31, can basis
The silk thread 30 being actually needed installation varying number of operating mode, to meet the demand of damping under different situations.
Rise to B district along with water level 02, take the main valve ball float 27 of hollow design can rise because of the increase of buoyancy,
On valve body of main valve 08, design and installation has a guide rod guide pin bushing 09, with guarantee main valve ball float 27 at ball float guide rod 20 along guide rod guide pin bushing 09
Lifting in allowed band.Now, the air in pipeline can be along the all-pass designed from this water resistant hammer structure shown in passage in Fig. 3 33
The macropore 35 of footpath combined air air valve is discharged.
When water level 02 continues to rise, until main valve ball float 27 is floated at peak along guide rod guide pin bushing 20, touch master
Valve base 22 is formed and seals, it is to avoid water is overflowed by valve, now, close by formed between main valve ball float 27 and main valve 22
The pressure in envelope chamber 26 raises, and water level 02 can flow in micro-exhaust valve A along the pipe joint 10 being connected on main valve B, and main valve B
Can be discharged by the aperture 17 on micro-exhaust valve valve gap 16 forming the surplus air after sealing, it is ensured that the completeness of aerofluxus with
Adequacy.Now, the air in whole pipe-line system can be along the all-pass designed from this water resistant hammer structure shown in passage in Fig. 4 33
Footpath combined air air valve is discharged.
As shown in Figure 4, along with water level 02 constantly rises in the lumen 18 of micro-exhaust valve valve body 34, micro-exhaust valve A
In air constantly discharged by aperture 17, water level 02 rise while, micro-exhaust valve ball float 12 also can rise therewith, thus
Drive the crank-rocker structure connected on it: moveable hinge 13, and the black box 11 of its end does around fixed hinge 14
Circumference vertical motion by a small margin, when the black box 11 on end rises to the lower edge of aperture 17, whole micro-exhaust valve A shape
Become to seal, as shown in Figure 5.Under this state, whole air valve system all outlet ports is all in sealing state, it is impossible to externally discharge sky
Gas.
Under Fig. 5 state, if the emptying of the air in pipeline, then this sealing state can maintain down, but in water always
The air of 2% can be mixed with, and the water supply of pipeline can not maintain invariable pressure or flow velocity, so will have always always
Air escapes in the high point of air valve system, cavity 18 district of micro-exhaust valve A in corresponding diagram 5, owing to the air of effusion is continuous
Increasing, in causing cavity 18, pressure constantly raises, so, water level 02 can decline because of the rising of air pressure, water level 02 time
Fall can cause the buoyancy of micro-exhaust valve ball float 12 to decline, so that ball float 12 declines, and drive crank-rocker structure: moveable hinge
13, and the black box 11 of its end does circumference down maneuver by a small margin around fixed hinge 14, when the sealing group on end
When part 11 leaves the lower edge of aperture 17, the seal failure of whole micro-exhaust valve A, air is discharged again from aperture 17.Return to
The exhaust condition of Fig. 4.
In normal system operation, owing to air can constantly overflow from water, so, micro-exhaust valve A's is little
Sealing mentioned above, breakdown action can be repeated in hole 17 always, to maintain the poised state of whole system.
If situations such as pipe-line system power-off, the damage of upstream water system, overhauls of the equipments, the water level 02 in Fig. 5 can be because of hydraulic pressure
Not enough and rapid decrease, now, micro-exhaust valve ball float 12 declines, and drives crank-rocker structure: moveable hinge 13, and its end
The black box 11 of end does circumference down maneuver by a small margin around fixed hinge 14, makes the black box 11 on end leave aperture
The lower edge of 17, outside air is flowed back to pipe-line system by aperture 17, and meanwhile, the buoyancy suffered by main valve ball float 27 of main valve B also can be because of
The rapid decrease of water level 02 and quickly reduce, main valve ball float 27 can drive ball float guide rod 20 along guide rod guide pin bushing 09 rapid decrease,
Departing from main valve 22, outside air can flow back to pipeline from macropore 35 rapidly, with supplementary be the pressure of pipeline, prevent pipeline system
System vacuum, by pressure damage energetically.As shown in gas circuit 33 ' in Fig. 6.
During the falling of water level 02, if water is mixed with other impurity, can be by the sewage draining exit 28 on valve body of main valve 08
Flow out, reach self-cleaning effect.
Claims (2)
1. a water resistant hammer full-bore combined air air valve, including check valve body (03), check-valves guide pin bushing (04), check valve plate
(05), check-valve spring (06), non-return valve seat (07), plug (30), securing member III (32) composition；Check-valves guide pin bushing (04) passes through
It is threadably mounted on check valve body (03), it is characterised in that: water resistant hammer full-bore combined air air valve is by micro-exhaust valve A, main
Air bleeding valve B, water resistant hammer muting check valve C tri-part forms, is provided with between check-valves valve plate (05) and check valve receptacle (07)
Check-valve spring (06), when can change check-valves valve plate (05) by impacting by the rigidity adjusting check-valve spring (06)
Closing forces, check-valves valve plate (05) is designed with some pipe plug openings (31), can be used to install plug (30), by controlling plug
(30) quantity, changes the circulation area of check valve plate (05), makes check-valves valve plate (05) can bear different impulsive forces, only
Return valve body (03) be connected above main exhaust valve B, main exhaust valve B by main valve body (08), guide rod guide pin bushing (09), main valve ball float (27),
Main valve lid (25), securing member II (24), main valve seat fix screw (23), main valve seat (22), protective cover (21), ball float guide rod
(20), protective cover securing member (19) composition；Guide rod guide pin bushing (09) uses and is threadedly coupled on main valve body (08), in main valve body (08)
Being designed with a cup-shaped lumen (37), cup-shaped lumen (37) is connected with main valve body (08) by muscle (36), cup-shaped lumen (37) lower end
Being designed with a sewage draining exit (28), ball float guide rod (20) is integrally formed with main valve ball float (27) by welding manner, main valve seat
(22) fix screw (23) by main valve seat to be connected with main valve lid (25), main valve lid is designed with a macropore (35) for discharge pipe
Air in road, main exhaust valve B is connected with micro-exhaust valve A by pipe joint (10).
A kind of water resistant hammer full-bore combined air air valve the most according to claim 1, it is characterised in that micro-exhaust valve A
It is by micro-exhaust valve valve body (34), micro-exhaust valve valve gap (16), securing member I (15), fixed hinge (14), moveable hinge
(13), micro-exhaust valve ball float (12), black box (11) forms, and micro-exhaust valve valve gap (16) securing member I (15) is fixed
On micro-exhaust valve valve body (34), micro-exhaust valve valve gap (16) is designed with an aperture (17), a small amount of air can be discharged, micro-
The upper connection of amount exhaust valve float ball (12) has moveable hinge (13), the black box (11) of fixed hinge (14) and its end, structure
Become crank-rocker structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620487432.4U CN205781329U (en) | 2016-05-26 | 2016-05-26 | A kind of water resistant hammer full-bore combined air air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620487432.4U CN205781329U (en) | 2016-05-26 | 2016-05-26 | A kind of water resistant hammer full-bore combined air air valve |
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| Publication Number | Publication Date |
|---|---|
| CN205781329U true CN205781329U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620487432.4U Active CN205781329U (en) | 2016-05-26 | 2016-05-26 | A kind of water resistant hammer full-bore combined air air valve |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106885694A (en) * | 2017-04-12 | 2017-06-23 | 株洲南方阀门股份有限公司 | A kind of air valve performance testing device and air valve performance test methods |
| CN107990034A (en) * | 2017-11-29 | 2018-05-04 | 株洲南方阀门股份有限公司 | A kind of fast inhale for carrying maintenance delays row's formula air valve |
| CN108331140A (en) * | 2018-01-10 | 2018-07-27 | 河海大学 | A kind of construction and device for eliminating deep layer drainage system interception air |
| CN108730610A (en) * | 2018-07-25 | 2018-11-02 | 辽阳给排水设备阀门有限公司 | A kind of multilayer water conservancy diversion water hammer-resistant height positioning air bleeding valve |
| CN112944018A (en) * | 2021-03-25 | 2021-06-11 | 三联泵业股份有限公司 | Exhaust valve for preventing bridging water hammer |
-
2016
- 2016-05-26 CN CN201620487432.4U patent/CN205781329U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885694A (en) * | 2017-04-12 | 2017-06-23 | 株洲南方阀门股份有限公司 | A kind of air valve performance testing device and air valve performance test methods |
| CN107990034A (en) * | 2017-11-29 | 2018-05-04 | 株洲南方阀门股份有限公司 | A kind of fast inhale for carrying maintenance delays row's formula air valve |
| CN108331140A (en) * | 2018-01-10 | 2018-07-27 | 河海大学 | A kind of construction and device for eliminating deep layer drainage system interception air |
| CN108331140B (en) * | 2018-01-10 | 2020-08-11 | 河海大学 | Method for eliminating trapped air mass of deep drainage system |
| CN108730610A (en) * | 2018-07-25 | 2018-11-02 | 辽阳给排水设备阀门有限公司 | A kind of multilayer water conservancy diversion water hammer-resistant height positioning air bleeding valve |
| CN112944018A (en) * | 2021-03-25 | 2021-06-11 | 三联泵业股份有限公司 | Exhaust valve for preventing bridging water hammer |
| CN112944018B (en) * | 2021-03-25 | 2023-07-28 | 三联泵业股份有限公司 | Exhaust valve for preventing bridging water hammer |
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