CN203892614U - Pneumatic operated directional valve controlled by membranes - Google Patents
Pneumatic operated directional valve controlled by membranes Download PDFInfo
- Publication number
- CN203892614U CN203892614U CN201420323254.2U CN201420323254U CN203892614U CN 203892614 U CN203892614 U CN 203892614U CN 201420323254 U CN201420323254 U CN 201420323254U CN 203892614 U CN203892614 U CN 203892614U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- channel
- epithelium
- valve rod
- 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.)
- Active
Links
Abstract
The utility model discloses a pneumatic operated directional valve controlled by membranes. The pneumatic operated directional valve comprises an end cover, a valve body and a valve rod, the end cover is arranged at the upper end of the valve body, a control opening is formed in the end cover, the valve rod is arranged in the valve body, the upper membrane is arranged at the upper end of the valve rod, the lower membrane is arranged at the lower end of the valve rod, a first valve opening is formed between the upper membrane and the valve body, a second valve opening is formed between the lower membrane and the valve body, an air inlet, an air outlet and an exhaust opening are formed in the surface of the valve body, a first channel, a second channel and a third channel are arranged in the valve body, the air inlet is communicated with the first channel, the air outlet is communicated with the second channel, and the exhaust opening is communicated with the third channel. The upper membrane and the lower membrane are arranged at the upper end and the lower end of the valve rod respectively, the valve can be controlled to be opened and closed by the membranes, the valve rod and the membranes are in interference fit, an end face sealing structure is formed by the membranes and the valve body, the service life is prolonged, and the failure mode cannot be generated.
Description
[technical field]
The utility model relates to the technical field of selector valve, the technical field of the Pneumatic reversal valve that particularly a kind of epithelium is controlled.
[background technique]
Common Pneumatic reversal valve adopts piston type to control, and because valve rod and Sealing will wear and tear, makes Pneumatic reversal valve not high working life.The control valve of the application's design adopts diaphragm control velve door to open and close, and valve rod and diaphragm interference fit make diaphragm and valve body form end face seal structure, have extended working life, do not produce failure mode.
[model utility content]
The purpose of this utility model solves the problems of the prior art exactly, the Pneumatic reversal valve that a kind of epithelium is controlled is proposed, can adopt diaphragm control velve door to open and close, valve rod and diaphragm interference fit, make diaphragm and valve body form end face seal structure, extend working life, do not produced failure mode.
For achieving the above object, the utility model proposes the Pneumatic reversal valve that a kind of epithelium is controlled, comprise end cap, valve body and valve rod, described end cap is installed on valve body upper end, on end cap, have and control mouth, described valve rod is installed in valve body, the upper end of valve rod is provided with epithelial membrane, the lower end of valve rod is provided with lower epithelium, between described epithelial membrane and valve body, form the first valve port, between lower epithelium and valve body, form the second valve port, described valve body surface has suction port, air outlet and relief opening, in valve body, be provided with first passage, second channel and third channel, suction port is connected with first passage, air outlet is connected with second channel, relief opening is connected with third channel.
As preferably, described valve body bottom is provided with base, and described lower epithelium is positioned on base, and install with epithelial membrane interference fit the upper end of described valve rod, the lower end of valve rod and the installation of lower epithelium interference fit.
As preferably, between described end cap and valve body, be provided with an O RunddichtringO, between base and valve body, be provided with the 2nd O RunddichtringO.
As preferably, described the first valve port is between first passage and second channel, and the second valve port is between second channel and third channel.
As preferably, the below of described epithelial membrane is provided with back-up ring, and the top of epithelial membrane and lower epithelium is arcuate structure.
The beneficial effects of the utility model: the utility model leads to installs respectively epithelium and lower epithelium in the top and bottom of valve rod, can adopt diaphragm control velve door to open and close, valve rod and diaphragm interference fit, make diaphragm and valve body form end face seal structure, extend working life, do not produced failure mode, between end cap and valve body, be provided with an O RunddichtringO, between base and valve body, be provided with the 2nd O RunddichtringO, valve body has good sealability.
Feature of the present utility model and advantage will be elaborated by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the main pseudosection of the Pneumatic reversal valve of a kind of epithelium control of the utility model;
Fig. 2 is the left pseudosection of the Pneumatic reversal valve of a kind of epithelium control of the utility model;
Fig. 3 is the plan view of the Pneumatic reversal valve of a kind of epithelium control of the utility model;
Fig. 4 is A portion enlarged view in Fig. 1.
[embodiment]
Consult Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the Pneumatic reversal valve that a kind of epithelium of the utility model is controlled, comprise end cap 1, valve body 2 and valve rod 3, described end cap 1 is installed on valve body upper end 2, on end cap 1, have and control mouth 11, described valve rod 3 is installed in valve body 2, the upper end of valve rod 3 is provided with epithelial membrane 31, the lower end of valve rod is provided with lower epithelium 32, between described epithelial membrane 31 and valve body 2, form the first valve port 41, between lower epithelium 32 and valve body 2, form the second valve port 42, described valve body 2 surfaces have suction port 21, air outlet 22 and relief opening 23, in valve body 2, be provided with first passage 51, second channel 52 and third channel 53, suction port 21 is communicated with first passage phase 51, air outlet 22 is communicated with second channel phase 52, relief opening 23 is connected with third channel 53, described valve body 2 bottoms are provided with base 6, described lower epithelium 32 is positioned on base 6, the upper end of described valve rod 3 and epithelial membrane 31 interference fit are installed, the lower end of valve rod 3 and lower epithelium 32 interference fit are installed, between described end cap 1 and valve body 2, be provided with an O RunddichtringO 12, between base 6 and valve body 2, be provided with the 2nd O RunddichtringO 61, described the first valve port 41 is between first passage 51 and second channel 52, the second valve port 42 is between second channel 52 and third channel 53, the below of described epithelial membrane 31 is provided with back-up ring 7, the top of epithelial membrane 31 and lower epithelium 32 is arcuate structure.
The utility model working procedure:
The Pneumatic reversal valve that a kind of epithelium of the utility model is controlled in the course of the work, to suction port 21 ventilations, air pressure is by first passage 51, upper diaphragm 31 is up pushed up, by valve rod 3, drive lower diaphragm 32 also up to move, upper diaphragm 31 contacts with valve body 1, the second valve port 42 is just in closed condition, the first valve port 41 is just opened, and air pressure enters air outlet 22 by second channel 52, the executive component inflation of 42 pairs of air outlets.To controlling mouthful 11 inflations, gas pressure, on upper diaphragm 31 surfaces, moves down upper diaphragm 31 band ovable valve stems 3, the first valve port 41 is closed, and the second valve port 42 is opened, and the air pressure of air outlet 22 enters relief opening 23 by third channel 53, finally enter atmosphere, make executive component carry out exhaust release.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any scheme after the utility model simple transformation is all belonged to protection domain of the present utility model.
Claims (5)
1. the Pneumatic reversal valve that an epithelium is controlled, it is characterized in that: comprise end cap (1), valve body (2) and valve rod (3), described end cap (1) is installed on valve body upper end (2), on end cap (1), have and control mouthful (11), described valve rod (3) is installed in valve body (2), the upper end of valve rod (3) is provided with epithelial membrane (31), the lower end of valve rod is provided with lower epithelium (32), between described epithelial membrane (31) and valve body (2), form the first valve port (41), between lower epithelium (32) and valve body (2), form the second valve port (42), described valve body (2) surface has suction port (21), air outlet (22) and relief opening (23), in valve body (2), be provided with first passage (51), second channel (52) and third channel (53), suction port (21) is communicated with first passage phase (51), air outlet (22) is communicated with second channel phase (52), relief opening (23) is connected with third channel (53).
2. the Pneumatic reversal valve that a kind of epithelium as claimed in claim 1 is controlled, it is characterized in that: described valve body (2) bottom is provided with base (6), described lower epithelium (32) is positioned on base (6), the upper end of described valve rod (3) and epithelial membrane (31) interference fit are installed, and the lower end of valve rod (3) and lower epithelium (32) interference fit are installed.
3. the Pneumatic reversal valve that a kind of epithelium as claimed in claim 2 is controlled, it is characterized in that: between described end cap (1) and valve body (2), be provided with an O RunddichtringO (12), between base (6) and valve body (2), be provided with the 2nd O RunddichtringO (61).
4. the Pneumatic reversal valve that a kind of epithelium as claimed in claim 1 is controlled, it is characterized in that: described the first valve port (41) is positioned between first passage (51) and second channel (52), and the second valve port (42) is positioned between second channel (52) and third channel (53).
5. the Pneumatic reversal valve that a kind of epithelium as described in any one in claim 1 to 4 is controlled, it is characterized in that: the below of described epithelial membrane (31) is provided with back-up ring (7), the top of epithelial membrane (31) and lower epithelium (32) is arcuate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420323254.2U CN203892614U (en) | 2014-06-17 | 2014-06-17 | Pneumatic operated directional valve controlled by membranes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420323254.2U CN203892614U (en) | 2014-06-17 | 2014-06-17 | Pneumatic operated directional valve controlled by membranes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203892614U true CN203892614U (en) | 2014-10-22 |
Family
ID=51719019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420323254.2U Active CN203892614U (en) | 2014-06-17 | 2014-06-17 | Pneumatic operated directional valve controlled by membranes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203892614U (en) |
-
2014
- 2014-06-17 CN CN201420323254.2U patent/CN203892614U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106352116B (en) | A kind of novel double-layer four-way reversing valve | |
| CN207609814U (en) | A kind of two-position-five-way solenoid valve | |
| CN103912478A (en) | Inflating device with air storage barrel | |
| CN203442213U (en) | Two-position three-way button valve | |
| CN204783279U (en) | Pneumatic control bleed valve and have its compressor system and aircraft | |
| CN203892614U (en) | Pneumatic operated directional valve controlled by membranes | |
| CN206386547U (en) | Balanced type gas control angle pedestal valve | |
| CN203614755U (en) | Combined normally open valve with hand-operated diaphragm type cylinder body | |
| CN202266695U (en) | Pneumatic diaphragm valve structure | |
| CN208122800U (en) | A kind of well mouth sealing device | |
| CN203176506U (en) | Manual operation and hydraulic pressure combined normally-open valve | |
| CN203009903U (en) | Pneumatic valve with controllable flow | |
| CN201982674U (en) | Pneumatic piston type on/off valve | |
| CN202580081U (en) | Pressure regulating automatic gate valve | |
| CN201973289U (en) | Two-position and five-way valve | |
| CN106439094B (en) | A kind of stable trigger valve of Pneumatic-control type | |
| CN204399159U (en) | A kind of relay valve of new valve structure | |
| CN205001102U (en) | Marine engine cylinder starting valve of double fuel hybrid | |
| CN106051284A (en) | Manual and hydraulic integrated flat valve | |
| CN203286053U (en) | Straight-through type quick exhaust valve | |
| CN203082265U (en) | Machine combination magnetic valve | |
| CN205207718U (en) | A gas valve for soil pick -up car | |
| CN205371770U (en) | Take pneumatic actuator of manually operation device with atmospheric pressure balance function | |
| CN201273262Y (en) | Improved structure of air intake valve on compressor cylinder cover | |
| CN204140998U (en) | A kind of improvement valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Pneumatic operated directional valve controlled by membranes Effective date of registration: 20171108 Granted publication date: 20141022 Pledgee: China Co. truction Bank Corp Zhuji branch Pledgor: ZHEJIANG ZHUJI DONGGANG HYDRAULIC PRESSURE MACHINERY Co.,Ltd. Registration number: 2017330000162 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180323 Granted publication date: 20141022 Pledgee: China Co. truction Bank Corp Zhuji branch Pledgor: ZHEJIANG ZHUJI DONGGANG HYDRAULIC PRESSURE MACHINERY Co.,Ltd. Registration number: 2017330000162 |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20180706 Address after: 311800 Qinglong fan, Maple Bridge Town, Zhuji, Zhejiang Patentee after: ZHEJIANG BAILI MACHINERY Co.,Ltd. Address before: 311800 Shaoxing City, Zhejiang Province, Zhuji City Maple Bridge Industrial Area Patentee before: ZHEJIANG ZHUJI DONGGANG HYDRAULIC PRESSURE MACHINERY Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Pneumatic operated directional valve controlled by membranes Effective date of registration: 20200714 Granted publication date: 20141022 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Fengqiao sub branch Pledgor: ZHEJIANG BAILI MACHINERY Co.,Ltd. Registration number: Y2020330000486 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220808 Granted publication date: 20141022 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Fengqiao sub branch Pledgor: ZHEJIANG BAILI MACHINERY Co.,Ltd. Registration number: Y2020330000486 |