CN106523786A - Novel low pressure valve - Google Patents
Novel low pressure valve Download PDFInfo
- Publication number
- CN106523786A CN106523786A CN201611231117.6A CN201611231117A CN106523786A CN 106523786 A CN106523786 A CN 106523786A CN 201611231117 A CN201611231117 A CN 201611231117A CN 106523786 A CN106523786 A CN 106523786A
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- CN
- China
- Prior art keywords
- valve
- main flow
- block
- rod
- balance
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
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- 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
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
- F16L41/16—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe the branch pipe comprising fluid cut-off means
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention provides a novel low pressure valve. A valve body is provided with two water outlets; each water outlet is communicated with a flow dividing pipe; the positions, close to the water outlets, in the valve body are each provided with a flow guiding plate; the two flow dividing pipes are each provided with a balance valve hole and an adjusting valve hole; the balance valve holes are close to the water outlets; a balance valve rod is installed between the balance valve holes in the two flow dividing pipes; an adjusting valve rod is installed between the adjusting valve holes in the two flow dividing pipes; a driving connection rod is connected between the adjusting valve rod and the balance valve rod in a hard connection manner and is fixedly connected with an adjusting spring; and the other end of the adjusting spring is fixedly connected with the outer wall of one of the flow dividing pipes. The valve body of the backflow-preventing pressure valve is internally provided with a mechanism preventing liquid backflow, each flow dividing pipe is internally provided with a liquid backflow preventing mechanism, and it is guaranteed that under the situation that liquid in the valve body is not stable, liquid backflow is prevented.
Description
Technical field
The invention belongs to valve technology field, more particularly, to a kind of New Low Voltage valve.
Background technology
Valve is the device for controlling liquid, the flow direction of gas, pressure and flow, and the type of valve is a lot, its conduct
It is widely used in the every field of pipe control part.The valve of prior art mostly is single channel valve, and in valve
Liquid flowing stability it is poor, the problem of fluid reflux can occur under some specific use environments, cause air pressure inside
It is unstable, the abrasion of valve is easily caused, the service life of valve is substantially reduced.
The content of the invention
In view of this, the invention is directed to a kind of New Low Voltage valve, solves asking for fluid reflux in valve
Topic, has pressure regulator between the double flow pass being provided with, it is ensured that the stability of flow of fluid.
To reach above-mentioned purpose, what the technical scheme of the invention was realized in：
A kind of New Low Voltage valve, including valve body, in the valve body near water inlet be sequentially installed with main flow baffle plate and
Main flow connecting rod, is provided with inlet opening in the middle part of main flow baffle plate, main flow block, and main flow are provided between main flow baffle plate and main flow connecting rod
Block can seal or open inlet opening, side and the main flow baffle plate elastic connection of main flow block, the opposite side of main flow block with
Expansion link is connected between main flow connecting rod；
Two outlets are provided with the valve body, each outlet has been respectively communicated with isocon, near outlet in valve body
Place is respectively equipped with deflector, has balance valve opening and adjusts valve opening, and balance valve opening near outlet on two isocons,
Balance valve rod is installed between the balance valve opening on two isocons, regulation is installed between the regulation valve opening on two isocons
Valve rod, between regulating valve stem and balance valve rod, Hard link has drive link, and regulation spring, the regulation are connected with drive link
The other end of spring is affixed with the outer wall of one of isocon；
The one end for the balance valve rod being placed in isocon is elasticly connected with balanced ball, opposite side and the shunting of the balanced ball
Inside pipe wall is flexibly connected；
The water inlet of the valve body is also equipped with valve, and the valve rod of the valve is affixed with executor.
Further, distributing damper and shunting connecting rod are connected with each isocon of close outlet respectively successively,
Inlet opening is provided with the middle part of distributing damper, shunting block is provided between distributing damper and shunting connecting rod, and it is close to shunt block energy
Envelope opens inlet opening, is connected with reciprocal spring between the shunting block and shunting connecting rod.
Further, homogenizing plate is installed near water outlet in valve body, on the homogenizing plate, is provided with multiple equal discharge orifices.
Further, the deflector is circular arc, and the concave surface of deflector is towards outlet.
Further, spring is connected between the balanced ball and balance valve rod.
Further, the both ends of the surface of the regulating valve stem are respectively concave curved surface.、
Further, at least one returning spring is connected between the main flow baffle plate and main flow block.
Relative to prior art, a kind of New Low Voltage valve described in the invention has the advantage that：
There is in the valve body of anti-return pressure valve of the present invention the mechanism for preventing liquid from flowing back, divide in each isocon
Liquidproof backflow mechanism is not provided with, it is ensured that in valve body in the case of unstabilizing liquid, prevented liquid from flowing back, be provided with valve body
Stream plate and deflector, it is ensured that stability and harmony that fluid is entered in isocon, the balance being provided between two isocons
Governor motion, further can be adjusted to the fluid flow in pipe, and it is higher that this kind of valve is adapted to requirements for pipes stability
Equipment on.
Description of the drawings
The accompanying drawing for constituting the part of the invention is used for providing further understanding the invention, present invention wound
The schematic description and description made does not constitute the improper restriction to the invention for explaining the invention.
In accompanying drawing：
Fig. 1 is the anti-return pressure valve overall structure diagram described in the invention embodiment.
Description of reference numerals：
1- valve bodies；2- main flow baffle plates；201- inlet openings；3- main flow blocks；4- returning springs；5- expansion links；6- valves；7-
Main flow connecting rod；8- homogenizing plates；The equal discharge orifices of 801-；9- deflectors；10- isocons；1001- outlets；11- distributing dampers；12-
Shunting block；The reciprocal springs of 13-；14- shunts connecting rod；15- balances valve rod；1501- balances valve opening；16- adjusts spring；17-
Drive link；18- regulating valve stems；1801- adjusts valve opening；19- springs；20- balanced balls；21- water inlets；22- executors.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the invention can
To be mutually combined.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " is
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the invention and simplifies description, rather than indicate
Or the device or element of hint indication with specific orientation, with specific azimuth configuration and operation, therefore must not be understood that
It is the restriction to the invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or hint relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the invention, unless separately
It is described, " multiple " are meant that two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, can be by concrete condition understanding
State concrete meaning of the term in the invention.
Below with reference to the accompanying drawings and in conjunction with the embodiments describing the invention in detail.
As shown in figure 1, a kind of New Low Voltage valve, including valve body 1, pacify at water inlet 21 successively in the valve body 1
Equipped with main flow baffle plate 2 and main flow connecting rod 7, inlet opening 201, main flow baffle plate 2 and main flow connecting rod 7 in the middle part of main flow baffle plate 2, are provided with
Between be provided with main flow block 3, and main flow block 3 can seal or open inlet opening 201, and side and the main flow of main flow block 3 are kept off
Multiple returning springs are connected between plate 2, between the opposite side and main flow connecting rod 7 of main flow block 3, expansion link 5 is connected with；
Two outlets 1001 are provided with the valve body 1, in valve body 1, homogenizing plate 8, institute are installed at outlet 1001
State and on homogenizing plate 8, be provided with multiple equal discharge orifices 801, each outlet 1001 has been respectively communicated with isocon 10, near outlet 1001
Each isocon 10 in be connected with distributing damper 11 and shunting connecting rod 14 respectively successively, the middle part of distributing damper 11 be provided with into
Water hole 201, is provided with shunting block 12 between distributing damper 11 and shunting connecting rod 14, and shunting block 12 can be sealed or be opened
Inlet opening 201, is connected with reciprocal spring 13 between the shunting block 12 and shunting connecting rod 14, near outlet in valve body 1
It is respectively equipped with deflector 9 at 1001, the deflector 9 is circular arc, and the concave surface of deflector 9 is towards outlet 1001, two
Balance valve opening 1501 is had on isocon 10 and valve opening 1801 is adjusted, and valve opening 1501 is balanced near outlet 1001, two
Be provided between balance valve opening 1501 on individual isocon 10 balance valve rod 15, the regulation valve opening 1801 on two isocons 10 it
Between regulating valve stem 18 is installed, the both ends of the surface of the regulating valve stem 18 are respectively concave curved surface, regulating valve stem 18 and balance valve rod 15
Between Hard link have drive link 17, be connected with drive link 17 regulation spring 16, it is described adjust spring 16 the other end with
The outer wall of one of isocon 10 is affixed；
Be connected with spring between the balance valve rod 15 being placed in isocon 10 and balanced ball 20, the balanced ball 20 it is another
Side is flexibly connected with 10 inwall of isocon；
The water inlet of the valve body 1 is also equipped with valve 6, and the valve rod of the valve 6 is affixed with executor 22.
The course of work of the present embodiment：When regulating valve is opened, executor 22 drives valve 6 to open, and the circulation of valve body 1 is led to
Road is opened, and into the fluid impact main flow block 3 in valve body 1, main flow block 3 is under fluid pressure towards main flow connecting rod 7
It is mobile, inlet opening 201 is opened, if fluid produces adverse current, fluid can promote main flow block 3 to seal inlet opening 201, prevent
Reverse flow of fluids, the fluid in valve body 1 can be entered in isocon 10 in the presence of deflector 9, isocon through homogenizing plate 8
The shunting block 12 being provided with 10 as the effect of main flow block 3 prevents fluid from backflow occurring, sets between two isocons 10
There is pressure-balancing adjuster, if the flow in the isocon of top 10 is larger, balance the stream for bearing of 15 upper end of valve rod
Fluid pressure of the body pressure more than 15 lower end of balance valve rod, now balances valve rod 15 and declines, and then regulating valve stem 18 rises, increase
The flow of following isocon 10, if the flow in following isocon 10 is larger, balances the stream for bearing of 15 lower end of valve rod
Fluid pressure of the body pressure more than 15 upper end of balance valve rod, now balances valve rod 15 and rises, and then regulating valve stem 18 declines, increase
The flow of top isocon 10, such balance adjustment ensure the balance of flow in each isocon 10, reasonable in design, user
Just.
The preferred embodiment of the invention is the foregoing is only, it is not to limit the invention, all at this
Within the spirit and principle of innovation and creation, any modification, equivalent substitution and improvements made etc. should be included in the invention
Protection domain within.
Claims (7)
1. a kind of New Low Voltage valve, it is characterised in that：Including valve body (1), in the valve body (1) near water inlet (21) place according to
It is secondary that main flow baffle plate (2) and main flow connecting rod (7) are installed, inlet opening (201), main flow baffle plate (2) are provided with the middle part of main flow baffle plate (2)
Main flow block (3) is provided with and main flow connecting rod (7) between, and main flow block (3) can seal or open inlet opening (201), it is main
The side of stream block (3) and main flow baffle plate (2) elastic connection, it is solid between the opposite side and main flow connecting rod (7) of main flow block (3)
It is connected to expansion link (5)；
Two outlets (1001) are provided with the valve body (1), each outlet (1001) has been respectively communicated with isocon (10), valve
Deflector (9) is respectively equipped near outlet (1001) place in body (1), on two isocons (10), balance valve opening is had
(1501) and valve opening (1801) is adjusted, and valve opening (1501) is balanced near outlet (1001), it is flat on two isocons (10)
Balance valve rod (15) is installed between weighing apparatus valve opening (1501), is provided between the regulation valve opening (1801) on two isocons (10)
Regulating valve stem (18), between regulating valve stem (18) and balance valve rod (15), Hard link has drive link (17), drive link (17)
On be connected with regulation spring (16), it is described adjust spring (16) the other end it is affixed with the outer wall of one of isocon (10)；
The one end for the balance valve rod (15) being placed in isocon (10) is elasticly connected with balanced ball (20), the balanced ball (20)
Opposite side is flexibly connected with isocon (10) inwall；
The water inlet of the valve body (1) is also equipped with valve (6), and the valve rod of the valve (6) is affixed with executor (22).
2. a kind of New Low Voltage valve according to claim 1, it is characterised in that：Near each point of outlet (1001)
Is connected with distributing damper (11) in flow tube (10) respectively successively and shunts connecting rod (14), be provided with the middle part of distributing damper (11) into
Water hole (201), is provided with shunting block (12), and it is close to shunt block (12) energy between distributing damper (11) and shunting connecting rod (14)
Envelope opens inlet opening (201), is connected with reciprocal spring (13) between shunting block (12) and shunting connecting rod (14).
3. a kind of New Low Voltage valve according to claim 1, it is characterised in that：Near outlet in valve body (1)
(1001) place is provided with homogenizing plate (8), and multiple equal discharge orifices (801) are provided with the homogenizing plate (8).
4. a kind of New Low Voltage valve according to claim 1, it is characterised in that：The deflector (9) is circular arc, and
The concave surface of deflector (9) is towards outlet (1001).
5. a kind of New Low Voltage valve according to claim 1, it is characterised in that：The balanced ball (20) and balance valve rod
(15) spring (19) is connected between.
6. a kind of New Low Voltage valve according to claim 1, it is characterised in that：The both ends of the surface of the regulating valve stem (18)
Respectively concave curved surface.
7. a kind of New Low Voltage valve according to claim 1, it is characterised in that：The main flow baffle plate (2) is kept off with main flow
At least one returning spring (4) is connected between block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611231117.6A CN106523786A (en) | 2016-12-28 | 2016-12-28 | Novel low pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611231117.6A CN106523786A (en) | 2016-12-28 | 2016-12-28 | Novel low pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106523786A true CN106523786A (en) | 2017-03-22 |
Family
ID=58337957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611231117.6A Pending CN106523786A (en) | 2016-12-28 | 2016-12-28 | Novel low pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106523786A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111991650A (en) * | 2020-09-17 | 2020-11-27 | 青岛大学附属医院 | In-situ gel injector |
-
2016
- 2016-12-28 CN CN201611231117.6A patent/CN106523786A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111991650A (en) * | 2020-09-17 | 2020-11-27 | 青岛大学附属医院 | In-situ gel injector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170322 |