CN207261703U - Piston type pneumatic control big flow on-off valve - Google Patents
Piston type pneumatic control big flow on-off valve Download PDFInfo
- Publication number
- CN207261703U CN207261703U CN201721155825.6U CN201721155825U CN207261703U CN 207261703 U CN207261703 U CN 207261703U CN 201721155825 U CN201721155825 U CN 201721155825U CN 207261703 U CN207261703 U CN 207261703U
- Authority
- CN
- China
- Prior art keywords
- piston
- hole
- spool
- blind hole
- air cavity
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Fluid-Driven Valves (AREA)
Abstract
The utility model discloses a kind of piston type pneumatic control big flow on-off valve, it includes cylinder, the spool of one cylindricality is set in cylinder, the both ends of spool are respectively arranged with the first blind hole and the second blind hole, first blind hole connects feed pipe, second blind hole connects drainage conduit, perforative discharge hole is offered on the side wall of first blind hole, perforative charging hole is offered on the side wall of second blind hole, the piston of one annular can be movably set in outside spool along valve core length direction, offered on piston inner wall can connect discharge hole and charging hole connect chamber；Piston outer wall is provided with the sealing ring of annular.The utility model, as power source, using piston as executing agency, realizes the quick, break-make of high frequency time control valve using compressed air.The utility model has the advantages that simple in structure, cost is low, easy to operate.
Description
Technical field
A kind of valve is the utility model is related to, in particular on big flow pipeline, the valve of rapid break-make.
Background technology
With the development of modern industry, the heavy caliber that is needed on the industrial equipment that maximizes, the valve demand of high flow capacity are more next
It is more vigorous.For the valve on these big flow pipelines, in order to ensure that valve can be opened or closed quickly, it is necessary to be equipped with big dynamic
The executing agency of power, this just accordingly increases cost.
The content of the invention
In order to overcome the above problem, the utility model provides a kind of piston type pneumatic simple in structure, cost is low, easy to operate
Control big flow on-off valve.
The technical solution of the utility model is to provide a kind of piston type pneumatic control big flow on-off valve, it includes cylinder, it is special
Sign is：The spool of one cylindricality is set in the cylinder, the both ends of the spool are respectively arranged with the first blind hole and the second blind hole,
First blind hole connects feed pipe, and second blind hole connects drainage conduit, offers and run through on the side wall of first blind hole
Discharge hole, perforative charging hole is offered on the side wall of second blind hole, the piston of an annular can be along the valve core length
Direction is movably set in outside the spool, and the piston separates the charging hole and discharge hole with the cylinder, described
Offered on piston inner wall can connect the discharge hole and charging hole connect chamber；Include in the piston stroke so that it is described go out
Material hole passes through the company with charging hole by the first position for connecting chamber and connecting, and the blocking discharge hole and charging hole
The second place of cavity connection；The piston outer wall is provided with the sealing ring of annular, and the cylinder is separated into by the sealing ring
The first air cavity and the second air cavity of closing, the first control gas passage of connection first air cavity, institute are offered on the cylinder
The first control gas passage connection high pressure gas is stated to drive the piston to be moved to second air cavity.
Preferably, the resetting spring for setting a driving piston to be moved to first air cavity in second air cavity.
Preferably, the second control gas passage of connection second air cavity, second control are offered on the cylinder
Gas passage connects high pressure gas to drive the piston to be moved to first air cavity.
Preferably, the seal groove of annular is provided with the sealing ring, sealing ring is arranged with the seal groove.
Preferably, several charging holes and discharge hole are offered on the spool, the charging hole and discharge hole are in
Annular is set in qually spaced on the spool.
Preferably, described spool one end is provided with the stage portion of the protrusion of annular, and the other end of the spool is provided with card
Groove, the interior U-shaped snap ring that the restricted piston movement is set of the card slot.
Preferably, the resetting spring is set on the spool, and one end is resisted against on the sealing ring, and the other end supports
Lean against in the stage portion.
The piston type pneumatic control big flow on-off valve of the utility model uses compressed air as power source, using piston as execution
Mechanism, realizes the quick, break-make of high frequency time control valve.The piston type pneumatic control big flow on-off valve of the utility model has structure
Simply, the advantages that cost is low, easy to operate, has a vast market prospect.
Brief description of the drawings
Fig. 1 be a kind of piston type pneumatic control big flow on-off valve of the best embodiment of the utility model remove cylinder after just
Depending on structure diagram；
Fig. 2 is the schematic cross-sectional view at first position of the best embodiment of the utility model；
Fig. 3 is the schematic cross-sectional view removed after cylinder at the second place of the best embodiment of the utility model.
Embodiment
Specific embodiment of the present utility model is described in further detail below.
As shown in Figure 1 to Figure 3, a kind of 22 formula gas control big flow on-off valve of piston of the utility model includes having cylinder
The cylinder 10 of cavity, the spool 12 of a cylindricality is coaxially disposed in cylinder 10.The both ends of spool 12 are respectively arranged with the first blind hole 14
With the second blind hole 16, the first blind hole 14 connection feed pipe（It is not shown）, the second blind hole 16 connection drainage conduit（It is not shown）.First is blind
14 and second blind hole 16 of hole does not communicate directly.Perforative discharge hole 18, the second blind hole 16 are offered on the side wall of first blind hole 14
Side wall on offer perforative charging hole 20.When discharge hole 18 and charging hole 20 communicate, gas or liquid can be by feeding
Pipe passes sequentially through the first blind hole 14, discharge hole 18, charging hole 20, subsequently into the second blind hole 16, is exported by drainage conduit.
The piston 22 of one annular can be movably set in outside spool 12 along 12 length direction of spool, and piston 22 is by charging hole 20
Separated with discharge hole 18 and cylinder 10, offered on 22 inner wall of piston can connect discharge hole 18 and charging hole 20 connect chamber
24。
Include the first position for make it that discharge hole 18 is connected with charging hole 20 by connecting chamber 24 on 22 stroke of piston, and
The second place for blocking discharge hole 18 to be connected with charging hole 20 by connecting chamber 24.When piston 22 is in the first position, first
Blind hole 14 is connected with the second blind hole 16；When piston 22 is in the second place, the first blind hole 14 connects shut-off with the second blind hole 16.
22 outer wall of piston is provided with the sealing ring 26 of annular, and cylinder 10 is separated into the first air cavity 28 and second by sealing ring 26
Air cavity 30.First air cavity, 28 hermetic seal, the first control gas passage 32 of the first air cavity 28 of connection, the first control are offered on cylinder 10
Gas passage 32 processed connects high pressure gas to drive piston 22 to be moved to the second air cavity 30.
In the best embodiment of the utility model, set what a driving piston 22 was moved to the first air cavity 28 in the second air cavity 30
Resetting spring 34.
Using the above structure, you can by connecting high pressure gas, so that piston 22 is moved to first by the second place
Put, realize that feed pipe is connected with drainage conduit.High pressure gas is closed, under the driving of resetting spring 34 so that piston 22 is by first
Put and be moved to the second place, realize feed pipe and drainage conduit shut-off.In this manner it is possible to pass through a small amount of high pressure of the controls such as solenoid valve
Gas, you can the rapid break-make for realizing feed pipe and drainage conduit.Its is easy to operate, and throughput is small, thus can react very fast
Speed.
In the utility model second embodiment（It is not shown）, the second control of the second air cavity 30 of connection is offered on cylinder 10
Gas passage（It is not shown）, second controls gas passage connection high pressure gas to drive piston 22 to be moved to the first air cavity 28.In this way, can
To control the high pressure gas of gas passage 32 by the second control gas passage of the control such as solenoid valve and first, to drive the movement of piston 22
Direction, can equally realize the effect above.
Further, the seal groove 36 of annular is provided with sealing ring 26, sealing ring is arranged with seal groove 36（Do not scheme
Show）.
Further, several charging holes 20 and discharge hole 18 are offered on spool 12, charging hole 20 and discharge hole 18 are in
Annular is set in qually spaced on spool 12.
Further, in the preferred embodiment, 12 one end of spool is provided with the stage portion 38 of the protrusion of annular, spool 12
The other end is provided with card slot（It is not shown）, the interior U-shaped snap ring 40 for setting restricted piston 22 to move of card slot.
Further, resetting spring 34 is set on spool 12, and one end is resisted against on sealing ring 26, and the other end is resisted against
In stage portion 38.
Above example is only a kind of the utility model embodiment therein, its description is more specific and detailed, but simultaneously
Therefore the limitation to the utility model patent scope cannot be interpreted as.It should be pointed out that the ordinary skill for this area
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection domain of utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (7)
1. a kind of piston type pneumatic control big flow on-off valve, it includes cylinder, it is characterised in that：One cylindricality is set in the cylinder
Spool, the both ends of the spool are respectively arranged with the first blind hole and the second blind hole, and first blind hole connects feed pipe, and described the
Two blind holes connect drainage conduit, offer perforative discharge hole on the side wall of first blind hole, on the side wall of second blind hole
Perforative charging hole is offered, the piston of an annular can be movably set in outside the spool along the valve core length direction, institute
State piston to separate the charging hole and discharge hole with the cylinder, the discharging can be connected by offering on the piston inner wall
Hole connects chamber with charging hole；Include in the piston stroke so that the discharge hole is connected with charging hole by the chamber that connects
First position, and block the discharge hole to pass through the second place for connect chamber connection with charging hole；Outside the piston
Wall is provided with the sealing ring of annular, and the cylinder is separated into the first air cavity and the second air cavity of closing by the sealing ring, described
The first control gas passage of connection first air cavity is offered on cylinder, the first control gas passage connects high pressure gas to drive
The piston is moved to move to second air cavity.
2. piston type pneumatic control big flow on-off valve according to claim 1, it is characterised in that：Set in second air cavity
The resetting spring that the one driving piston is moved to first air cavity.
3. piston type pneumatic control big flow on-off valve according to claim 1, it is characterised in that：The company of offering on the cylinder
Lead to the second control gas passage of second air cavity, the second control gas passage connects high pressure gas to drive the piston to institute
State the movement of the first air cavity.
4. piston type pneumatic control big flow on-off valve according to claim 1, it is characterised in that：It is provided with the sealing ring
The seal groove of annular, is arranged with sealing ring in the seal groove.
5. piston type pneumatic control big flow on-off valve according to claim 1, it is characterised in that：If offered on the spool
Dry the charging hole and discharge hole, the charging hole and discharge hole are set in qually spaced on the spool in a ring.
6. piston type pneumatic control big flow on-off valve according to claim 2, it is characterised in that：Described spool one end is provided with
The stage portion of the protrusion of annular, the other end of the spool are provided with card slot, set the restricted piston to move in the card slot
Dynamic U-shaped snap ring.
7. piston type pneumatic control big flow on-off valve according to claim 6, it is characterised in that：The resetting spring is set in
On the spool, and one end is resisted against on the sealing ring, and the other end is resisted against in the stage portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721155825.6U CN207261703U9 (en) | 2017-09-11 | 2017-09-11 | Piston type pneumatic control big flow on-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721155825.6U CN207261703U9 (en) | 2017-09-11 | 2017-09-11 | Piston type pneumatic control big flow on-off valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN207261703U true CN207261703U (en) | 2018-04-20 |
| CN207261703U9 CN207261703U9 (en) | 2018-05-15 |
Family
ID=61920450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721155825.6U Withdrawn - After Issue CN207261703U9 (en) | 2017-09-11 | 2017-09-11 | Piston type pneumatic control big flow on-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207261703U9 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387794A (en) * | 2017-09-11 | 2017-11-24 | 伊之密机器人自动化科技(苏州)有限公司 | Piston type pneumatic control big flow on-off valve |
-
2017
- 2017-09-11 CN CN201721155825.6U patent/CN207261703U9/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387794A (en) * | 2017-09-11 | 2017-11-24 | 伊之密机器人自动化科技(苏州)有限公司 | Piston type pneumatic control big flow on-off valve |
| CN107387794B (en) * | 2017-09-11 | 2023-09-15 | 伊之密机器人自动化科技(苏州)有限公司 | Piston type pneumatic control large-flow on-off valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN207261703U9 (en) | 2018-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104100739B (en) | Gas control combination valve and using method thereof | |
| CN201795068U (en) | Flexibly sealed gate valve | |
| CN103912698B (en) | Relief valve | |
| CN102588633A (en) | High-reliability one-way valve | |
| CN207261703U (en) | Piston type pneumatic control big flow on-off valve | |
| CN107387794A (en) | Piston type pneumatic control big flow on-off valve | |
| CN203979505U (en) | Gas control combination brake switch and proporting | |
| CN203604712U (en) | Small electromagnetic three-way valve | |
| CN104265723A (en) | Combined-type pneumatic hydraulic cylinder | |
| CN207999521U (en) | Solenoid directional control valve and compressor for the two poles of the earth twin-tub pattern switching | |
| CN201866260U (en) | High-pressure air-operated valve | |
| CN107676240A (en) | A kind of electromagnetic switch formula air driven pump | |
| CN201310636Y (en) | Air shuttle valve | |
| CN203442214U (en) | Energy-saving gas inlet valve | |
| CN202914757U (en) | Anti-explosion pilot-operated type solenoid valve | |
| CN204554008U (en) | Actuator and pneumatic valve | |
| CN204253484U (en) | A kind of novel mass flow Bidirectional balanced valve | |
| CN202173854U (en) | Pulse valve | |
| CN208169656U (en) | A kind of pneumatic valve device | |
| CN102423587B (en) | Pulse valve | |
| CN103195970B (en) | Automatically-controlled valve air reservoir | |
| CN208185099U (en) | A kind of electromagnetism lock valve | |
| CN108266562B (en) | A kind of high-pressure gas flow amount control device | |
| CN212455511U (en) | Novel welding solenoid valve | |
| CN115704408A (en) | Gas circulation device, gas circulation method, pneumatic device, and semiconductor device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CU01 | Correction of utility model |
Correction item: Claims Correct: Correct False: Error Number: 16-02 Page: full text Volume: 34 |
|
| CU01 | Correction of utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180420 Effective date of abandoning: 20230915 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180420 Effective date of abandoning: 20230915 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |