CN206274086U - A kind of air operated reversing valve - Google Patents

A kind of air operated reversing valve Download PDF

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Publication number
CN206274086U
CN206274086U CN201620868674.8U CN201620868674U CN206274086U CN 206274086 U CN206274086 U CN 206274086U CN 201620868674 U CN201620868674 U CN 201620868674U CN 206274086 U CN206274086 U CN 206274086U
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CN
China
Prior art keywords
valve
cylinder block
ring seal
piston
air operated
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Active
Application number
CN201620868674.8U
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Chinese (zh)
Inventor
邵显安
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.)
Zhejiang Far Distance Fluid Equipment Co Ltd
Original Assignee
Zhejiang Far Distance Fluid Equipment 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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Publication date
Application filed by Zhejiang Far Distance Fluid Equipment Co Ltd filed Critical Zhejiang Far Distance Fluid Equipment Co Ltd
Priority to CN201620868674.8U priority Critical patent/CN206274086U/en
Application granted granted Critical
Publication of CN206274086U publication Critical patent/CN206274086U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of air operated reversing valve, including O-ring seal three, the O-ring seal three is arranged on the contact surface of piston and cylinder block, and piston is arranged on the inside of cylinder block, the inside of the cylinder block is provided with spring assembly, and spring assembly is arranged installed in the both sides of piston from top to bottom, O-ring seal one is provided with below the spring assembly, the bottom right side of the cylinder block is provided with hole elastic spring and O-ring seal two, the cylinder block is arranged on the top of bracket component, and bracket component is provided with locator card, the bracket component is arranged on the top of engineering plastics positioning sleeve, and iron plate sealing ring is provided with below engineering plastics positioning sleeve, the iron plate sealing ring is arranged on the top of upper valve body.Cut-off adjusting rod of the present utility model is up and down flexibly, and without suppressing strength phenomenon, reversely resistance to leakage pressure is more than 0.3Mpa, small with fluid resistance, simple structure, small volume, lightweight;The advantages of tight reliability, good airproof performance.

Description

A kind of air operated reversing valve
Technical field
The utility model is related to air operated reversing valve technical field, specially a kind of air operated reversing valve.
Background technology
It, by the valve of compressed air-driven, is a kind of quarter-turn structure that pneumatic operated valve is, it is supporting with valve positioner Use, be capable of achieving proportion adjustment, V-shaped valve core is best suited for various regulation occasions, big with rated flow coefficient, regulating ratio is big, Good sealing effect, regulation performance is sensitive, small volume, can erect sleeping installation.Suitable for control gas, steam, liquid and other medium.And most Universal is exactly air operated reversing valve, and common air operated reversing valve demolition and maintenance are inconvenient, and reversely resistance to leakage pressure does not reach standard.
Utility model content
The purpose of this utility model is to provide a kind of air operated reversing valve, pneumatic with solve to propose in above-mentioned background technology The reverse resistance to leakage substandard problem of pressure of reversal valve.
To achieve the above object, the utility model provides following technical scheme:A kind of air operated reversing valve, including O-shaped sealing Circle three, the O-ring seal three is arranged on the contact surface of piston and cylinder block, and piston is arranged on the interior of cylinder block Portion, the inside of the cylinder block is provided with spring assembly, and spring assembly is arranged installed in the both sides of piston from top to bottom, described O-ring seal one is provided with below spring assembly, the bottom right side of the cylinder block is provided with hole elastic spring and O-shaped sealing Circle two, the cylinder block is arranged on the top of bracket component, and bracket component is provided with locator card, and the bracket component is installed Iron plate sealing ring, the iron plate sealing ring peace are provided with below the top of engineering plastics positioning sleeve, and engineering plastics positioning sleeve Mounted in the top of upper valve body, the engineering plastics positioning sleeve is connected with upper valve body by Quick hoop, and the upper valve body is arranged on The top of lower valve body, and upper valve body is connected with lower valve body by Quick hoop, the engineering plastics positioning sleeve, upper valve body and lower valve Body is connected by pneumatic stopping valve, and pneumatic stopping valve is arranged on the lower section of piston.
Preferably, the internal diameter x-ray footpath of the O-ring seal one isThe internal diameter x-ray footpath of O-ring seal two isThe external diameter x-ray footpath of O-ring seal three is
Preferably, the iron plate sealing ring is EPT rubber packing circle.
Preferably, it is provided with rectangular gasket between the upper valve body and lower valve body.
Preferably, the piston is connected with pneumatic stopping valve by cap fall prevention, and cap fall prevention is ABS engineering plastics anticreeps Lid.
Compared with prior art, the beneficial effects of the utility model are:Cut-off adjusting rod of the present utility model is up and down Flexibly, without suppressing strength phenomenon, reversely resistance to leakage pressure is more than 0.3Mpa, small with fluid resistance, the pipe of its resistance coefficient and same length Section is equal;It is simple structure, small volume, lightweight;Closely reliable, seal face materials widely use plastics, good airproof performance, in vacuum Also it is widely used in system;Easy to operate, opening and closing is rapid, as long as being rotated by 90 ° to fully closed from standard-sized sheet, is easy to control at a distance System;Easy to maintenance, sealing ring is typically all activity, and the advantages of dismounting and change is all more convenient, reversal valve is in standard-sized sheet or fully closed When, sealing surface is isolated with medium, when medium passes through, will not cause the erosion of valve sealing face.It is applied widely, latus rectum from it is small to Several millimeters, greatly to several meters, can all be applied from high vacuum to high pressure, cap fall prevention plays a part of connection fastening, rectangular gasket tool There is cushioning effect.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of air operated reversing valve of the utility model;
Fig. 2 is the mplifying structure schematic diagram of the I and J of a kind of air operated reversing valve of the utility model.
In figure:1- lower valve bodies, 2- pneumatic stopping valves, 3- upper valve bodies, 4- iron plates sealing ring, 5- bracket components, 6- pistons, 7- Cylinder block, 8- spring assemblies, 9- locator cards, 10- cap fall preventions, 11- holes elastic spring, 12-O types sealing ring one, 13- engineerings Plastics positioning sleeve, 14- Quick hoops, 15- rectangular gaskets, 16-O types sealing ring two, 17-O types sealing ring three.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Refer to Fig. 1-2, a kind of embodiment that the utility model is provided:A kind of air operated reversing valve, including O-ring seal three 17, O-ring seal 3 17 is arranged on the contact surface of piston 6 and cylinder block 7, and piston 6 is arranged on the interior of cylinder block 7 Portion, the inside of cylinder block 7 is provided with spring assembly 8, and spring assembly 8 is arranged installed in the both sides of piston 6, spring from top to bottom The lower section of component 8 is provided with O-ring seal 1, and the bottom right side of cylinder block 7 is provided with hole elastic spring 11 and O-ring seal 2 16, cylinder block 7 is arranged on the top of bracket component 5, and bracket component 5 is provided with locator card 9, and bracket component 5 is arranged on The top of engineering plastics positioning sleeve 13, and the lower section of engineering plastics positioning sleeve 13 is provided with iron plate sealing ring 4, iron plate sealing ring 4 is pacified Mounted in the top of upper valve body 3, engineering plastics positioning sleeve 13 is connected with upper valve body 3 by Quick hoop 14, and upper valve body 3 is arranged on down The top of valve body 1, and upper valve body 3 is connected with lower valve body 1 by Quick hoop 14, engineering plastics positioning sleeve 13, upper valve body 3 are with Valve body 1 is connected by pneumatic stopping valve 2, and pneumatic stopping valve 2 is arranged on the lower section of piston 6.
The internal diameter x-ray footpath of O-ring seal 1 isThe internal diameter x-ray footpath of O-ring seal 2 16 isThe external diameter x-ray footpath of O-ring seal 3 17 isIron plate sealing ring 4 is that ethylene propylene diene rubber is close Seal, is provided with rectangular gasket 15 between upper valve body 3 and lower valve body 1, piston 6 is connected with pneumatic stopping valve 2 by cap fall prevention 10, and Cap fall prevention 10 is ABS engineering plastics cap fall preventions.
Specifically used mode:In utility model works, pneumatic control valve is made up of executing agency and governor motion, performs Mechanism is cylinder block 7, and as the thrust part for adjusting reversal valve, it produces according to the size of control signal pressure and pushes away accordingly Power, promotes governor motion piston 6 and pneumatic stopping valve 6 to act, and upper valve body 3 and lower valve body 1 are the regulating members of pneumatic control valve, It is directly contacted with regulation medium, adjusts the flow of the fluid, and open-shut direction when pneumatic operated valve is operated should be closed clockwise without exception Close, the convenient disassembly of Quick hoop 14, be easy to safeguard.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.

Claims (5)

1. a kind of air operated reversing valve, including O-ring seal three (17), it is characterised in that:The O-ring seal three (17) is arranged on On the contact surface of piston (6) and cylinder block (7), and piston (6) is installed in the inside of cylinder block (7), the cylinder block (7) inside is provided with spring assembly (8), and spring assembly (8) is arranged installed in the both sides of piston (6), the bullet from top to bottom O-ring seal one (12) is provided with below spring component (8), the bottom right side of the cylinder block (7) is provided with hole elastic spring (11) and O-ring seal two (16), the cylinder block (7) is on the top of bracket component (5), and bracket component (5) Locator card (9) is provided with, the bracket component (5) is installed in the top of engineering plastics positioning sleeve (13), and engineering plastics positioning sleeve (13) iron plate sealing ring (4) is provided with below, the iron plate sealing ring (4) is installed in the top of upper valve body (3), the engineering plastic Material positioning sleeve (13) is connected with upper valve body (3) by Quick hoop (14), and the upper valve body (3) is installed in the upper of lower valve body (1) Side, and upper valve body (3) is connected with lower valve body (1) by Quick hoop (14), the engineering plastics positioning sleeve (13), upper valve body (3) it is connected by pneumatic stopping valve (2) with lower valve body (1), and pneumatic stopping valve (2) is installed in the lower section of piston (6).
2. a kind of air operated reversing valve according to claim 1, it is characterised in that:The internal diameter X of the O-ring seal one (12) Line footpath isThe internal diameter x-ray footpath of O-ring seal two (16) isThe external diameter X of O-ring seal three (17) Line footpath is
3. a kind of air operated reversing valve according to claim 1, it is characterised in that:The iron plate sealing ring (4) is ternary second Third rubber seal.
4. a kind of air operated reversing valve according to claim 1, it is characterised in that:The upper valve body (3) and lower valve body (1) it Between be provided with rectangular gasket (15).
5. a kind of air operated reversing valve according to claim 1, it is characterised in that:The piston (6) and pneumatic stopping valve (2) Connected by cap fall prevention (10), and cap fall prevention (10) is ABS engineering plastics cap fall preventions.
CN201620868674.8U 2016-08-10 2016-08-10 A kind of air operated reversing valve Active CN206274086U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620868674.8U CN206274086U (en) 2016-08-10 2016-08-10 A kind of air operated reversing valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620868674.8U CN206274086U (en) 2016-08-10 2016-08-10 A kind of air operated reversing valve

Publications (1)

Publication Number Publication Date
CN206274086U true CN206274086U (en) 2017-06-23

Family

ID=59062243

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620868674.8U Active CN206274086U (en) 2016-08-10 2016-08-10 A kind of air operated reversing valve

Country Status (1)

Country Link
CN (1) CN206274086U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108397570A (en) * 2018-03-06 2018-08-14 中车青岛四方车辆研究所有限公司 Piston type pneumatic control valve
CN111043352A (en) * 2019-12-17 2020-04-21 恩宜瑞(江苏)环境发展有限公司 Novel poppet valve and application thereof in RTO system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108397570A (en) * 2018-03-06 2018-08-14 中车青岛四方车辆研究所有限公司 Piston type pneumatic control valve
CN111043352A (en) * 2019-12-17 2020-04-21 恩宜瑞(江苏)环境发展有限公司 Novel poppet valve and application thereof in RTO system
CN111043352B (en) * 2019-12-17 2021-09-24 恩宜瑞(江苏)环境发展有限公司 Poppet valve and application thereof in RTO system

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