CN206409684U - A kind of anti-return pressure valve - Google Patents

A kind of anti-return pressure valve Download PDF

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Publication number
CN206409684U
CN206409684U CN201621450008.9U CN201621450008U CN206409684U CN 206409684 U CN206409684 U CN 206409684U CN 201621450008 U CN201621450008 U CN 201621450008U CN 206409684 U CN206409684 U CN 206409684U
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CN
China
Prior art keywords
main flow
valve
block
connecting rod
return pressure
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.)
Expired - Fee Related
Application number
CN201621450008.9U
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Chinese (zh)
Inventor
陈微
顾晨君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Create Automation Control Technology Co Ltd
Original Assignee
Tianjin Create Automation Control Technology Co Ltd
Priority date (The priority date 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 date listed.)
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Priority to CN201621450008.9U priority Critical patent/CN206409684U/en
Application granted granted Critical
Publication of CN206409684U publication Critical patent/CN206409684U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model, which is created, provides a kind of anti-return pressure valve, including valve body, in the valve body main flow baffle plate and main flow connecting rod are sequentially installed with close to water inlet, inlet opening is provided with the middle part of main flow baffle plate, main flow block is provided between main flow baffle plate and main flow connecting rod, and main flow block can seal or open inlet opening, side and the main flow baffle plate elastic connection of main flow block are connected with expansion link between the opposite side and main flow connecting rod of main flow block.The utility model, which is created between the problem of described anti-return pressure valve solves fluid reflux in valve, the double flow pass being provided with, pressure regulator, it is ensured that the stability of flow of fluid.

Description

A kind of anti-return pressure valve
Technical field
The invention belongs to valve technology field, more particularly, to a kind of anti-return pressure valve.
Background technology
Valve is that, for controlling liquid, the flow direction of gas, pressure and the device of flow, 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 is generally single channel valve, and in valve Liquid flowing stability it is poor, the problem of occurring fluid reflux under some specific use environments causes 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 anti-return pressure valve, solves asking for fluid reflux in valve There is pressure regulator between topic, 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:
In a kind of anti-return pressure valve, including valve body, the valve body close to water inlet be sequentially installed with main flow baffle plate and Inlet opening is provided with the middle part of main flow connecting rod, 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 delivery ports are provided with the valve body, each delivery port has been respectively communicated with isocon, valve body close to delivery port Place, which is respectively equipped with deflector, two isocons, has balance valve opening and regulation valve opening, and balance valve opening is close to delivery port, Regulation is installed between the regulation valve opening being provided between balance valve opening on two isocons on balance valve rod, two isocons Valve rod, there being Hard link between regulating valve stem and balance valve rod is connected with regulation spring in drive link, drive link, the regulation The outer wall of the other end of spring and one of isocon is affixed;
The one end for the balance valve rod being placed in isocon is elasticly connected with balanced ball, the opposite side of the balanced ball and shunting Inside pipe wall is flexibly connected;
The water inlet of the valve body is also equipped with valve, and the valve rod and actuator of the valve are affixed.
Further, distributing damper and shunting connecting rod are connected with successively respectively in each isocon of delivery port, Inlet opening is provided with the middle part of distributing damper, provided with shunting block between distributing damper and shunting connecting rod, and shunting block can be close Envelope opens inlet opening, and reciprocal spring is connected between the shunting block and shunting connecting rod.
Further, it is provided with valve body close to water outlet on homogenizing plate, the homogenizing plate and is provided with multiple equal discharge orifices.
Further, the deflector is circular arc, and deflector concave surface towards delivery port.
Further, it is connected with spring 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, it is connected with least one returning spring between the main flow baffle plate and main flow block.
Relative to prior art, a kind of anti-return pressure valve described in the invention has the advantage that:
Have in the valve body of anti-return pressure valve of the present invention in the mechanism for preventing that liquid from flowing back, each isocon and divide She You liquidproof backflow mechanism, it is ensured that in valve body in the case of unstabilizing liquid, prevent liquid from flowing back, provided with equal in valve body Flow plate and deflector, it is ensured that the balance being provided between stability and harmony that fluid is entered in isocon, two isocons Governor motion, further the fluid flow in pipe can be adjusted, and it is higher that such a valve is adapted to requirements for pipes stability Equipment on.
Brief 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 is used to explain the invention, does not constitute the improper restriction to 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- delivery ports;11- distributing dampers;12- Shunt 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- actuators.
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 ", " transverse direction ", " on ", " under ", The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are 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 imply that the device or element of meaning must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that For the limitation to the invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating Or imply 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.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the invention Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition State concrete meaning of the term in the invention.
Describe the invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in figure 1, a kind of anti-return pressure valve, including valve body 1, pacify successively at water inlet 21 in the valve body 1 Equipped with main flow baffle plate 2 and main flow connecting rod 7, the middle part of main flow baffle plate 2 is provided with inlet opening 201, main flow baffle plate 2 and main flow connecting rod 7 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, expansion link 5 is connected between the opposite side and main flow connecting rod 7 of main flow block 3;
It is provided with the valve body 1 in two delivery ports 1001, valve body 1 and homogenizing plate 8, institute is installed at delivery port 1001 State and multiple equal discharge orifices 801 are provided with homogenizing plate 8, each delivery port 1001 has been respectively communicated with isocon 10, close to delivery port 1001 Each isocon 10 in be connected with distributing damper 11 and shunting connecting rod 14 successively respectively, the middle part of distributing damper 11 be provided with into Water hole 201, provided with shunting block 12 between distributing damper 11 and shunting connecting rod 14, and shunting block 12 can be sealed or opened Inlet opening 201, is connected with reciprocal spring 13, valve body 1 close to delivery port between the shunting block 12 and shunting connecting rod 14 Be respectively equipped with deflector 9 at 1001, the deflector 9 is circular arc, and deflector 9 concave surface towards delivery port 1001, two Balance valve opening 1501 and regulation valve opening 1801 are had on isocon 10, and balance valve opening 1501 is close to delivery port 1001, two Balance valve rod 15 is installed between the balance valve opening 1501 on individual isocon 10, 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 be connected with drive link 17, drive link 17 regulation spring 16, it is described regulation 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 and balanced ball 20 that are placed in isocon 10, the balanced ball 20 it is another Side is flexibly connected with the inwall of isocon 10;
The water inlet of the valve body 1 is also equipped with valve 6, and the valve rod and actuator 22 of the valve 6 are affixed.
The course of work of the present embodiment:When regulating valve is opened, the driving valve 6 of actuator 22 is opened, 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 Fluid in reverse flow of fluids, valve body 1 can pass through homogenizing plate 8, be entered in the presence of deflector 9 in isocon 10, isocon The shunting block 12 being provided with 10 prevents fluid from flowing back, set between two isocons 10 as the effect of main flow block 3 There is pressure-balancing adjuster, if the flow in the isocon 10 of top is larger, the stream born of balance valve rod 15 upper end Body pressure is more than the Fluid pressure of balance valve rod 15 lower end, 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, the stream born of balance valve rod 15 lower end Body pressure is more than the Fluid pressure of balance valve rod 15 upper end, now balances valve rod 15 and rises, and then regulating valve stem 18 declines, increase The flow of top isocon 10, such balance adjustment ensures the balance of flow in each isocon 10, reasonable in design, user Just.
The preferred embodiment of the invention is the foregoing is only, creation is not intended to limit the invention, it is 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 anti-return pressure valve, it is characterised in that:Including valve body (1), in the valve body (1) close to water inlet (21) place according to Secondary be provided with the middle part of main flow baffle plate (2) and main flow connecting rod (7), main flow baffle plate (2) is provided with inlet opening (201), main flow baffle plate (2) Main flow block (3) is provided between main flow connecting rod (7), and main flow block (3) can seal or open inlet opening (201), it is main Side and main flow baffle plate (2) elastic connection of block (3) are flowed, 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 delivery ports (1001) are provided with the valve body (1), each delivery port (1001) has been respectively communicated with isocon (10), valve It is respectively equipped with body (1) close to delivery port (1001) place on deflector (9), two isocons (10) and has balance valve opening (1501) it is and regulation valve opening (1801), and balance valve opening (1501) is close to delivery port (1001), flat on two isocons (10) It is provided between the regulation valve opening (1801) being provided between weighing apparatus valve opening (1501) on balance valve rod (15), two isocons (10) Regulating valve stem (18), Hard link has drive link (17), drive link (17) between regulating valve stem (18) and balance valve rod (15) On be connected with regulation spring (16), it is described regulation spring (16) the other end and one of isocon (10) outer wall it is affixed;
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 and actuator (22) of the valve (6) are affixed.
2. a kind of anti-return pressure valve according to claim 1, it is characterised in that:Close to each point of delivery port (1001) Be connected with successively respectively in flow tube (10) distributing damper (11) and shunting be provided with the middle part of connecting rod (14), distributing damper (11) into Water hole (201), provided with shunting block (12) between distributing damper (11) and shunting connecting rod (14), and shunting block (12) can be close Envelope opens inlet opening (201), and reciprocal spring (13) is connected between the shunting block (12) and shunting connecting rod (14).
3. a kind of anti-return pressure valve according to claim 1, it is characterised in that:Close to delivery port in valve body (1) (1001) place is provided with homogenizing plate (8), the homogenizing plate (8) and is provided with multiple equal discharge orifices (801).
4. a kind of anti-return pressure 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 delivery port (1001).
5. a kind of anti-return pressure 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 anti-return pressure 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 anti-return pressure 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).
CN201621450008.9U 2016-12-28 2016-12-28 A kind of anti-return pressure valve Expired - Fee Related CN206409684U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621450008.9U CN206409684U (en) 2016-12-28 2016-12-28 A kind of anti-return pressure valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621450008.9U CN206409684U (en) 2016-12-28 2016-12-28 A kind of anti-return pressure valve

Publications (1)

Publication Number Publication Date
CN206409684U true CN206409684U (en) 2017-08-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621450008.9U Expired - Fee Related CN206409684U (en) 2016-12-28 2016-12-28 A kind of anti-return pressure valve

Country Status (1)

Country Link
CN (1) CN206409684U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108285181A (en) * 2018-03-15 2018-07-17 周卫林 A kind of water purifier based on WIFI and voice control
CN108533867A (en) * 2018-05-14 2018-09-14 苏州弗士曼精密机械有限公司 A kind of Multi-purpose three-way with translation interface
CN110608299A (en) * 2019-09-30 2019-12-24 中国十七冶集团有限公司 Vertical pumping backflow prevention control device and use method
CN114060643A (en) * 2021-10-04 2022-02-18 高毅衡 Municipal administration sewage pipes

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108285181A (en) * 2018-03-15 2018-07-17 周卫林 A kind of water purifier based on WIFI and voice control
CN108533867A (en) * 2018-05-14 2018-09-14 苏州弗士曼精密机械有限公司 A kind of Multi-purpose three-way with translation interface
CN110608299A (en) * 2019-09-30 2019-12-24 中国十七冶集团有限公司 Vertical pumping backflow prevention control device and use method
CN114060643A (en) * 2021-10-04 2022-02-18 高毅衡 Municipal administration sewage pipes
CN114060643B (en) * 2021-10-04 2023-08-18 江苏宜安建设有限公司 Municipal sewage pipe

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GR01 Patent grant
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170815

Termination date: 20181228

CF01 Termination of patent right due to non-payment of annual fee