CN107237954A - A kind of automatic slow pressure equipment - Google Patents
A kind of automatic slow pressure equipment Download PDFInfo
- Publication number
- CN107237954A CN107237954A CN201710480613.3A CN201710480613A CN107237954A CN 107237954 A CN107237954 A CN 107237954A CN 201710480613 A CN201710480613 A CN 201710480613A CN 107237954 A CN107237954 A CN 107237954A
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- China
- Prior art keywords
- mouth
- pipe
- branch road
- pressure
- water
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- 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.)
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
- F16L55/055—Valves therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The present invention, which discloses a kind of automatic slow pressure equipment, to be included：First mouth of pipe；Second mouth of pipe；Between first mouth of pipe and second mouth of pipe and tie point parallel with one another and the second branch road；Switch electromagnetic valve is provided with the tie point；Pressure maintaining valve is provided with second branch road；It is arranged at first mouth of pipe downstream and positioned at the tie point, the hydraulic gage of the second branch road upstream；The hydraulic gage is used to measure water hydraulic pressure；The controller being connected with the hydraulic gage and the switch electromagnetic valve；The controller sends to the switch electromagnetic valve according to the water hydraulic pressure and opens and closes signal.The automatic slow pressure equipment can effectively buffer house water water pressure fluctuations.
Description
Technical field
The present invention relates to pipeline pressure-stabilizing technical field, more particularly to a kind of automatic slow pressure equipment.
Background technology
House water inlet pipe typically directly leads to each tap in existing life, and the fire hose is opened when water hydraulic pressure is unstable
Easily there is " channeling water " scene in head, causes water outlet sometimes fast and sometimes slow, also forms noise sometimes, and influence user is tested with water body.
The content of the invention
In view of the deficiencies in the prior art, the present invention is necessary to provide a kind of automatic slow pressure equipment, with can be in pipeline
Water pressure fluctuations enter row buffering.
The present invention is adopted the following technical scheme that：
A kind of automatic slow pressure equipment, including：
First mouth of pipe；
Second mouth of pipe；
Between first mouth of pipe and second mouth of pipe and tie point parallel with one another, the second branch road and the 3rd
Road；Switch valve is provided with the tie point；Pressure maintaining valve is provided with second branch road and the 3rd branch road；
The pressure maintaining valve includes：Along linearly extended main body；The main body is provided with the runner extended in the same direction with it；The main body
One end is provided with the import for being passed through the runner；The side wall of the main body is provided with the outlet communicated with the runner；The runner
It is interior to be provided with spring and valve element；The outer edge surface of the valve element is fitted with the inner wall sealing of the runner；The runner internal thread connects
It is connected to fixture；The spring clip is located between the valve element and the fixture；The spring one end is fixed on the fixation
On part, the other end applies pulling force to the valve element；The fixture is provided with the through hole passed through for water；The valve element has
By the block-up position blocked between the import and the outlet and by the connection position of the import and the outlet
Put；The block-up position and the communicating position along the main body bearing of trend spaced a predetermined distance；The valve element is carrying out hydraulic pressure
Power is moved when being more than the elastic force of the spring from the block-up position to the communicating position；
It is respectively arranged between first mouth of pipe and the tie point, the second branch road, the 3rd branch road and is arranged at institute
State two hydraulic gages between second mouth of pipe and the tie point, the second branch road, the 3rd branch road；The hydraulic gage is used for
Measure water hydraulic pressure；
The controller being connected with the hydraulic gage and the switch electromagnetic valve；The controller is according to the water hydraulic pressure to described
Switch electromagnetic valve, which is sent, opens and closes signal.
It is preferred that, the hydraulic pressure is calculated as interstitial water pressure meter.
The slow pressure equipment that can be seen that the present invention by above technical scheme passes through provided with tie point in parallel, second
Branch road and the 3rd branch road, water reclaimed water extrude water pressure fluctuations when now fluctuating and can acted on the valve element of pressure maintaining valve, and valve element can be with
Move, and then water pressure fluctuations venting, tie point in the on-state may be used in pre-determined distance before communicating position is reached
With water outlet always, the water yield of the second mouth of pipe side thereby may be ensured that, and water pressure fluctuations are huge or during very big hydraulic pressure, pressure maintaining valve
Valve element be located at communicating position so as to can also participate in water outlet, the problem of preventing to build the pressure.Therefore, the slow pressure that the present invention is provided is set
Standby water that can be effectively to water inlet pipe is fluctuated into row buffering.
With reference to explanation hereinafter and accompanying drawing, only certain exemplary embodiments of this invention is disclose in detail, the original of the present invention is specified
Reason can be in adopted mode.It should be understood that embodiments of the present invention are not so limited in scope.In appended power
In the range of the spirit and terms that profit is required, embodiments of the present invention include many changes, modifications and equivalent.
The feature for describing and/or showing for a kind of embodiment can be in same or similar mode one or more
Used in individual other embodiment, it is combined with feature in other embodiment, or substitute the feature in other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when being used herein, but simultaneously
It is not excluded for the presence or additional of one or more further features, one integral piece, step or component.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those skilled in the art, without having to pay creative labor, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the automatic slow pressure device structure schematic diagram that one embodiment of the present invention is provided；
Fig. 2 is the pressure maintaining valve structural representation in Fig. 1；
Fig. 3 is the anchor structure schematic diagram in Fig. 2；
Fig. 4 is Fig. 3 side view.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, it is real below in conjunction with the application
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example only some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, this area is common
The every other embodiment that technical staff is obtained on the premise of creative work is not made, should all belong to guarantor of the present invention
The scope of shield.
It should be noted that when element is referred to as " being arranged at " another element, it can be directly on another element
Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more
The arbitrary and all combination of related Listed Items.
Fig. 1 to Fig. 4 is refer to, one embodiment of the present invention provides a kind of automatic slow pressure equipment, the automatic slow pressure equipment
Including：First mouth of pipe 10；Second mouth of pipe 11；It is between first mouth of pipe 10 and second mouth of pipe 11 and parallel with one another
Tie point 12, the second branch road 13 and the 3rd branch road 17；Switch electromagnetic valve 14 is provided with the tie point 12；Described
Pressure maintaining valve 15 is provided with two branch roads 13 and the 3rd branch road 17.
The pressure maintaining valve 15 includes：Along linearly extended main body 1；The main body 1 is provided with the runner extended in the same direction with it
2；One end of the main body 1 is provided with the import 3 for being passed through the runner 2；The side wall of the main body 1 is provided with and the phase of runner 2
Logical outlet 4；Spring 6 and valve element 5 are provided with the runner 2；The inwall of the outer edge surface of the valve element 5 and the runner 2 is close
Sealing label is closed；The internal thread of runner 2 is connected with fixture 8；The spring 6 be located in the valve element 5 and the fixture 8 it
Between；Described one end of spring 6 is fixed on the fixture 8, and the other end applies pulling force to the valve element 5；Set on the fixture 8
There is the through hole 83 passed through for water；The valve element 5 have will the import 3 and it is described outlet 4 between block block-up position,
And the communicating position for connecting the import 3 with the outlet 4；The block-up position and the communicating position are along the main body
1 bearing of trend is spaced a predetermined distance.The valve element 5 is coming when water pressure is more than the elastic force of the spring 6 by the block-up position
Moved to the communicating position.
In the automatic slow pressure equipment using present embodiment, the automatic slow pressure equipment is connected on house and carrys out waterpipe
（House steward）On, wherein, there is internal thread and/or external screw thread to connect for first mouth of pipe 10 and second mouth of pipe 11 of automatic slow pressure equipment
Water inlet pipe, junction can be provided with sealing gasket and fluid sealant.When hydraulic pressure is smaller, the switch electromagnetic valve 14 in tie point 12
It can open, to ensure the water yield of second mouth of pipe 11, when water hydraulic pressure is larger, the switch electromagnetic valve 14 in tie point 12
It can close so that water is only circulated by the second branch road 13, is delayed water hydraulic pressure by the pressure maintaining valve 15 on the second branch road 13
Rush and reduce so that the Water discharge flow speed of second mouth of pipe 11 will not be too fast, it is to avoid because water outlet is too fast and forms splashing.
Automatically controlled for ease of realizing, the automatic slow pressure equipment also have be respectively arranged at first mouth of pipe 10 with it is described
Between tie point 12, the second branch road 13, the 3rd branch road 17 and be arranged at second mouth of pipe 11 and the tie point 12,
Two hydraulic gages 18 between second branch road 13, the 3rd branch road 17, and with two hydraulic gages 18 and the switch electromagnetism
The controller 16 that valve 14 is connected.The hydraulic gage 18 is located on the main line of the slow depressor, and the hydraulic gage 18 is used to measure water water
Pressure.The controller 16 sends to the switch electromagnetic valve 14 according to the water hydraulic pressure and opens and closes signal.Controller 16
It may determine that whether water hydraulic pressure is more than preset value, sent when water hydraulic pressure is more than preset value to switch electromagnetic valve 14 and close letter
Number, switch electromagnetic valve 14 ends tie point 12, and the automatic slow pressure equipment is depressured and buffered to water formation.In water hydraulic pressure
Opening signal is sent to switch electromagnetic valve 14 during less than preset value, tie point 12 is opened conducting by switch electromagnetic valve 14, should be certainly
Dynamic slow pressure equipment ensures the water supply of second mouth of pipe 11.Specifically, the hydraulic gage 18 is preferred to use space hydraulic gage.
In the present embodiment, switch electromagnetic valve 14 is series in tie point 12, controls the break-make of tie point 12.Surely
Pressure valve 15 is series at the second branch road 13, on the 3rd branch road 17, buffers the fluctuation of water.The automatic slow pressure equipment passes through first mouth of pipe
10 and second the screw thread of the mouth of pipe 11 realize and be removably installed in house and enter on supply mains, wherein, the second branch road 13, the 3rd branch road
The opening direction of pressure maintaining valve 15 on 17 can be with identical.It is preferred that, to obtain preferably service life, it is to avoid wherein one it is steady
Pressure valve 15 fails（Such as runner 2 is blocked by impurity, and valve element 5 can not be acted）The problem of losing slow pressure effect, second branch road
The current opening direction of the current opening direction of pressure maintaining valve 15 on 13 and the pressure maintaining valve 15 on the 3rd branch road 17 is opposite.
During use, it is input port in first mouth of pipe 10, when second mouth of pipe 11 is delivery outlet, water (flow) direction is second
The opening direction of pressure maintaining valve 15 on road 13, now, controller 16 is according to being arranged at first mouth of pipe 10 and described first
The hydraulic pressure value that hydraulic gage 18 between road 12, the second branch road 13, the 3rd branch road 17 is gathered controls the pressure maintaining valve on the second branch road 13
15.Accordingly, the opening direction of pressure maintaining valve 15 on the 3rd branch road 17 is opposite with water (flow) direction to be opened, therefore the 3rd branch road 17
In cut-off state.
When the second branch road 13 is blocked or pressure maintaining valve 15 fails, the automatic slow pressure equipment is pulled down and order weight of turning round
New to install, now, second mouth of pipe 11 is input port, and first mouth of pipe 10 is delivery outlet, and water (flow) direction is steady on the 3rd branch road 17
The opening direction of pressure valve 15, now, the pressure maintaining valve 15 on the 3rd branch road 17 can still carry out the buffering of water flow fluctuation, it is ensured that water
The stabilization of pressure.Now, controller 16 is according to being arranged at second mouth of pipe 11 and the tie point 12, the second branch road 13, the
The hydraulic pressure value that hydraulic gage 18 between three branch roads 17 is gathered controls the pressure maintaining valve 15 on the 3rd branch road 17.
In pressure maintaining valve 15, main body 1 can be pipe structure.The material of main body 1 can be metal, such as steel, iron, aluminium,
And the material such as metal alloy.Specifically, the cross section of the main body 1 can be toroidal.Valve element 5 constructs for plectane.Its
In, length of the outlet 4 along the direction of main body 1 is more than length of the outer edge surface of the valve element 5 along the direction of main body 1
（The thickness of valve element 5 can be such as considered as）.
As shown in Figures 2 to 4, fixture 8 is threadedly connected in runner 2, and then by rotational fixture 8, fixture 8 can
Moved in runner 2 along runner 2, so as to adjust the original state or initial position of spring 6.When mounted, first by import 3
The spring 6 being fixedly connected, valve element 5 are put into runner 2, then fixture 8 is put into import 3, and rotational fixture 8 makes itself and stream
Road 2 is threadedly coupled, and is stopped operating when being screwed into precalculated position, and fixture 8 can be fixed on residing by threaded connection
Position.It can be seen that, by setting fixture 8 very easily to assemble the pressure maintaining valve, and it is simple in construction, advantageously reduce manufacture
Cost.
As shown in Figure 3, Figure 4, the pressure maintaining valve 15 is assembled to further facilitate, is easy to rotational fixture 8, the fixture 8
With the linkage section 81 and rotational segment 82 being connected with the inner thread of runner 2.The rotational segment 82 is connected to the connection
Section 81 is back to the spring side, to drive the linkage section 81 to rotate.The external diameter of the rotational segment 82 is less than the linkage section
81 external diameter.Wherein, the fixture 8 can be formed in one structure, or Split connection structure, such as rotational segment 82 with
Linkage section 81 is by being welded to connect.The rotational segment 82 of the fixture 8 and linkage section 81 is are coaxially disposed, and workman can be with assembling
Grip linkage section 81 to rotate fixture 8, be connected by the external screw thread of linkage section 81 with the internal thread of runner 2, and then will be fixed
Part 8 is fixed in runner 2.
For ease of the entrance of water, fixture 8 is provided with the through hole 83 of its insertion, water by import 3 enter after wear
Cross after through hole 83 and moved until being applied to the pusher movable valve plug 5 of valve element 5.Specifically, the quantity of the through hole 83 is at least three
It is individual；Through hole 83 described at least three is distributed evenly around the rotational segment 82.As shown in figure 3, shown through hole 83 is four,
Four through holes 83 are uniformly distributed around rotational segment 82.
Specifically, outlet 4 is arranged on the side wall of main body 1, its shape and number are simultaneously not intended to be limited in any.Preferably, going out
Mouth 4 can be rectangle, and length direction is parallel with the length direction of runner 2.
In the present embodiment, valve element 5 be in block-up position, by the side of import 3 hydraulic pressure to communicating position move when,
When the movement pre-determined distance of valve element 5 reaches communicating position, import 3 could be connected with outlet 4.After hydraulic pressure venting, valve element 5 is in spring
Block-up position is returned under 6 pulling force.When valve element 5 is in block-up position, spring 6 may be at free state（Tensionless winkler foundation）, also may be used
With in pretensioned state, so as to put on the pretension of valve element 5 one.
When there are water pressure fluctuations in runner 2, water pressure fluctuations are put on valve element 5, and valve element 5 is to communicating position（Outlet 4）
Mobile, in the moving process of valve element 5, the automatic slow pressure equipment is in non-connected state all the time, because the pressure of water pressure fluctuations is tieed up
Hold that the time is short and pressure transient, therefore in water pressure fluctuations, valve element 5 by pre-determined distance movement the water pressure fluctuations are delayed
Wash out, be not in the situation for opening by mistake and opening.
By above description as can be seen that the automatic slow pressure equipment of present embodiment passes through provided with tie point 12 in parallel
And second branch road 13, water reclaimed water extrudes water pressure fluctuations when now fluctuating and can act in the closeouts of pressure maintaining valve 15, block
Part can be moved in pre-determined distance, and then by water pressure fluctuations venting before communicating position is reached, tie point 12 is being opened
Under state can water outlet always, thereby may be ensured that the water yield of the side of second mouth of pipe 11, and water pressure fluctuations are huge or hydraulic pressure very
When big, the closeouts of pressure maintaining valve 15 are located at communicating position can also participate in water outlet, the problem of preventing to build the pressure.Therefore, originally
The automatic slow pressure equipment that embodiment is provided can be effectively to water inlet pipe water fluctuate into row buffering.
Herein cited any digital value all include between lower limit to higher limit with the lower value of an incremented and
The all values of upper value, the interval that there are at least two units between any lower value and any much higher value.For example, such as
Fruit elaborates the quantity or process variable of part（Such as temperature, pressure, the time）Value be from 1 to 90, preferably from 20
To 80, more preferably from 30 to 70, then purpose is to illustrate that such as 15 to 85,22 are also clearly listed in the specification arrives
68th, 43 to 51,30 to 32 is equivalent.For the value less than 1, it is 0.0001,0.001,0.01,0.1 suitably to think a unit.
These are only intended to the example clearly expressed, it is believed that the numerical value enumerated between minimum and peak is possible to
Combination is all expressly set forth in the specification in a similar manner.
Unless otherwise indicated, all scopes all include all numerals between end points and end points.It is used together with scope
" about " or " approximate " be suitable for two end points of the scope.Thus, " about 20 to 30 " are intended to covering " about 20 to about
30 ", at least end points including indicating.
All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot
Together in this.Describe the term " substantially by ... constitutes " of combination should include determined by element, composition, part or step and reality
There is no other elements, composition, part or the step of the basic novel feature for influenceing the combination in matter.Using term "comprising" or
" comprising " describes the combination of element here, composition, part or step it is also contemplated that basic by these elements, composition, part
Or the embodiment that step is constituted.Here by using term " can with ", it is intended to which illustrate that " can with " include is described any
Attribute is all optional.
Multiple element, composition, part or step can be provided by single integrated component, composition, part or step.It is alternative
Ground, single integrated component, composition, part or step can be divided into multiple element, composition, part or the step of separation.It is used for
The open "a" or "an" for describing element, composition, part or step is not said to exclude other elements, composition, part
Or step.
It should be understood that above description is to be limited in order to illustrate rather than.By reading above-mentioned retouch
State, many embodiments and many applications outside the example provided all will be aobvious and easy for a person skilled in the art
See.Therefore, the scope of this teaching should not be determined with reference to foregoing description, but should with reference to appended claims and this
The four corner of the equivalent that a little claims are possessed is determined.It is for comprehensive purpose, all articles and special with reference to including
The disclosure of profit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as inventor the theme is not thought of as it is disclosed
A part for subject matter.
Claims (2)
1. a kind of automatic slow pressure equipment, it is characterised in that including：
First mouth of pipe；
Second mouth of pipe；
Between first mouth of pipe and second mouth of pipe and tie point parallel with one another, the second branch road and the 3rd
Road；Switch valve is provided with the tie point；Pressure maintaining valve is provided with second branch road and the 3rd branch road；
The pressure maintaining valve includes：Along linearly extended main body；The main body is provided with the runner extended in the same direction with it；The main body
One end is provided with the import for being passed through the runner；The side wall of the main body is provided with the outlet communicated with the runner；The runner
It is interior to be provided with spring and valve element；The outer edge surface of the valve element is fitted with the inner wall sealing of the runner；The runner internal thread connects
It is connected to fixture；The spring clip is located between the valve element and the fixture；The spring one end is fixed on the fixation
On part, the other end applies pulling force to the valve element；The fixture is provided with the through hole passed through for water；The valve element has
By the block-up position blocked between the import and the outlet and by the connection position of the import and the outlet
Put；The block-up position and the communicating position along the main body bearing of trend spaced a predetermined distance；The valve element is carrying out hydraulic pressure
Power is moved when being more than the elastic force of the spring from the block-up position to the communicating position；
It is respectively arranged between first mouth of pipe and the tie point, the second branch road, the 3rd branch road and is arranged at institute
State two hydraulic gages between second mouth of pipe and the tie point, the second branch road, the 3rd branch road；The hydraulic gage is used for
Measure water hydraulic pressure；
The controller being connected with the hydraulic gage and the switch electromagnetic valve；The controller is according to the water hydraulic pressure to described
Switch electromagnetic valve, which is sent, opens and closes signal.
2. automatic slow pressure equipment as claimed in claim 1, it is characterised in that：The hydraulic pressure is calculated as interstitial water pressure meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710480613.3A CN107237954A (en) | 2017-06-22 | 2017-06-22 | A kind of automatic slow pressure equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710480613.3A CN107237954A (en) | 2017-06-22 | 2017-06-22 | A kind of automatic slow pressure equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107237954A true CN107237954A (en) | 2017-10-10 |
Family
ID=59986635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710480613.3A Pending CN107237954A (en) | 2017-06-22 | 2017-06-22 | A kind of automatic slow pressure equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107237954A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440089A (en) * | 2019-09-10 | 2019-11-12 | 浙江海洋大学 | A kind of water hammer cancellation element |
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|---|---|---|---|---|
| CN1047558A (en) * | 1989-07-08 | 1990-12-05 | 宋尚礼 | A kind of method and device of eliminating water hammering |
| CA2330002A1 (en) * | 2001-01-02 | 2002-07-02 | Kane Kougyou Co., Ltd. | Water hammering prevention device |
| CN203214993U (en) * | 2013-03-31 | 2013-09-25 | 常州埃姆基冷冻设备有限公司 | Novel pressure reducing valve |
| CN203320614U (en) * | 2013-06-19 | 2013-12-04 | 枣庄市水利勘测设计院 | Water hammer protection device |
| CN204004595U (en) * | 2014-07-03 | 2014-12-10 | 江苏威龙灌装机械有限公司 | A kind of adjusting filtering type one-way valve mechanism for filling machine |
| CN204942642U (en) * | 2015-07-15 | 2016-01-06 | 浙江万通管业有限公司 | A kind of safety valve for water heater |
-
2017
- 2017-06-22 CN CN201710480613.3A patent/CN107237954A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047558A (en) * | 1989-07-08 | 1990-12-05 | 宋尚礼 | A kind of method and device of eliminating water hammering |
| CA2330002A1 (en) * | 2001-01-02 | 2002-07-02 | Kane Kougyou Co., Ltd. | Water hammering prevention device |
| CN203214993U (en) * | 2013-03-31 | 2013-09-25 | 常州埃姆基冷冻设备有限公司 | Novel pressure reducing valve |
| CN203320614U (en) * | 2013-06-19 | 2013-12-04 | 枣庄市水利勘测设计院 | Water hammer protection device |
| CN204004595U (en) * | 2014-07-03 | 2014-12-10 | 江苏威龙灌装机械有限公司 | A kind of adjusting filtering type one-way valve mechanism for filling machine |
| CN204942642U (en) * | 2015-07-15 | 2016-01-06 | 浙江万通管业有限公司 | A kind of safety valve for water heater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440089A (en) * | 2019-09-10 | 2019-11-12 | 浙江海洋大学 | A kind of water hammer cancellation element |
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