CN104913084A - Air source safety stop valve - Google Patents
Air source safety stop valve Download PDFInfo
- Publication number
- CN104913084A CN104913084A CN201410094893.0A CN201410094893A CN104913084A CN 104913084 A CN104913084 A CN 104913084A CN 201410094893 A CN201410094893 A CN 201410094893A CN 104913084 A CN104913084 A CN 104913084A
- Authority
- CN
- China
- Prior art keywords
- valve shaft
- valve
- hole
- air
- vent
- 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
Links
Classifications
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
- F16K11/0856—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug having all the connecting conduits situated in more than one plane perpendicular to the axis of the plug
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The invention discloses an air source safety stop valve. The air source safety stop valve comprises a valve seat, a valve shaft installing hole used for installing a valve shaft is formed in the center of the valve seat, an air inlet is formed in the sidewall of the valve seat, an air outlet and an exhaust hole are formed in the upper wall and the lower wall respectively, and the air inlet, the air outlet and the exhaust hole are all communicated with the valve shaft installing hole; the sidewall, where the valve shaft is inserted into the valve shaft installing hole, of a shaft body is provided with a first air hole, a second air hole and a third air hole; by means of the mode that the valve shaft rotates in the valve shaft installing hole, the communication of the first air hole and the air inlet and the communication of the second air hole and the air outlet or the communication of the first air hole and the air outlet and the communication of the third air hole and the exhaust hole are achieved, and the other end of the air outlet is communicated with an air passage of a valve pneumatic actuator. By means of the valve shaft arranged in a rotary valve seat, air ventilation passage switch changing of all air holes is achieved, and the operation is fast, simple and stable.
Description
Technical field
The invention belongs to pneumatic control valve technical field, be specifically related to a kind of source of the gas safety shutoff valve.
Background technique
Pneumatic actuator is joined in operation by clutch type Shou Cao mechanism; often there will be due to operate miss; and cause be switched to manual from Primordial Qi is dynamic time source of the gas fail to close in time; cause and occur that Pneumatic and manual drives simultaneously, thus piston or worm gear or other situation that fixed number accessory damages occur.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide that a kind of structure is simple, easy to use, handover security, the reliable and stable source of the gas safety shutoff valve for valve clutch type Shou Cao mechanism.
A kind of source of the gas safety shutoff valve, comprises the stop valve body of the body side being arranged on clutch type Shou Cao mechanism; Described stop valve body comprises valve seat, rectangular-blocklike in the middle part of described valve seat, the left and right sides is symmetrical convex arc shaped, described valve seat center offers the valve shaft mounting hole for installing valve shaft, the sidewall of described valve seat offers inlet hole, upper lower wall offers air outlet hole and exhaust port respectively, and described inlet hole, air outlet hole and exhaust port all communicate with valve shaft mounting hole; The axis body sidewall of described valve shaft insertion valve shaft mounting hole offers the vent I, vent II and the vent III that communicate, the axis body that described valve shaft stretches out valve shaft mounting hole is connected with handle by worm component, the rotation of valve shaft in valve shaft mounting hole is realized by pulling handle, by the rotation of valve shaft in valve shaft mounting hole, realize vent I and inlet hole, vent II communicates with air outlet hole or realizes vent I and air outlet hole, vent III communicates with exhaust port, and the other end of described air outlet hole communicates with valve used pneumatic actuator gas circuit.
The insertion end that described valve shaft inserts valve shaft mounting hole is arranged with seal ring.
The present invention utilizes the handle of clutch type Shou Cao mechanism in prior art, worm component to drive adjustment valve shaft to rotate in valve seat, the ventilation realizing each pore switches, can ensure that clutch type Shou Cao mechanism cuts off total source of the gas automatically at manual drives valve, drive during valve with valve used pneumatic actuator and automatically connect total source of the gas, switch immediate stability, effectively can prevent the parts damages because operate miss causes, better can ensure the working life of clutch type Shou Cao mechanism and valve used pneumatic actuator, operation is quick, simple, stable.
Accompanying drawing explanation
Fig. 1 is the structural representation (pneumatic mode) of clutch type Shou Cao mechanism.
Fig. 2 is the structural representation (manual mode) of clutch type Shou Cao mechanism.
Fig. 3 is structural representation of the present invention.
Fig. 4 is the structural representation of valve seat in the present invention.
Fig. 5 is the structural representation of valve shaft in the present invention.
Fig. 6 is schematic diagram of the present invention (pneumatic mode).
Fig. 7 is schematic diagram of the present invention (manual mode).
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described.Should be understood that following examples only for illustration of the present invention but not for limiting the scope of the invention.
Embodiment 1
See Fig. 1 and Fig. 2, a kind of source of the gas safety shutoff valve provided by the invention, comprises stop valve body 1, and described stop valve body 1 is arranged on the body side of clutch type Shou Cao mechanism 2, (clutch type Shou Cao mechanism 2 is prior art, therefore does not repeat them here about its concrete structure.) see Fig. 3 and Fig. 4, described stop valve body 1 comprises valve seat 11, rectangular-blocklike in the middle part of described valve seat 11, the left and right sides is symmetrical convex arc shaped, described valve seat 11 center offers the valve shaft mounting hole 13 for installing valve shaft 12, the sidewall of described valve seat 11 offers inlet hole 14, and upper lower wall offers air outlet hole 15 and exhaust port 16 respectively, and described inlet hole 14, air outlet hole 15 and exhaust port 16 all communicate with valve shaft mounting hole 13, see Fig. 5, the axis body sidewall that described valve shaft 12 inserts valve shaft mounting hole 13 offers the vent I17 communicated, vent II18 and vent III19, the axis body that described valve shaft 12 stretches out valve shaft mounting hole 13 is connected with handle 20 by worm component (not shown), the rotation of valve shaft 12 in valve shaft mounting hole 13 is realized by pulling handle, see Fig. 6 and Fig. 7, by the rotation of valve shaft 12 in valve shaft mounting hole 13, realize vent I17 and inlet hole 14, vent II18 communicates with air outlet hole 15 or realizes vent I17 and air outlet hole 15, vent III19 communicates with exhaust port 16, the other end of described air outlet hole 15 communicates with valve used pneumatic actuator 21 gas circuit, make air inlet source realize source of the gas by the hole of three on valve shaft to cut off, ventilation, the conversion function of exhaust.
Embodiment 2
The difference of the present embodiment and embodiment 1 is: the insertion end that described valve shaft 12 inserts valve shaft mounting hole 13 is arranged with seal ring 22.
Embodiment 3
By pulling handle 20, the engagement/disengaging of worm and wheel, realize pneumatic and manually in switching (prior art).Worm component drives valve shaft 12 simultaneously, by being rotated in the valve shaft 12 in valve seat 11, vent I17 on valve shaft 12, vent II18 and vent III19 can realize converting the connection of the inlet hole 14 on valve seat 11, air outlet hole 15 and exhaust port 16, achieve total gas source switch function.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technological schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (2)
1. a source of the gas safety shutoff valve, comprise the stop valve body of the body side being arranged on clutch type Shou Cao mechanism, it is characterized in that: described stop valve body comprises valve seat, rectangular-blocklike in the middle part of described valve seat, the left and right sides is symmetrical convex arc shaped, described valve seat center offers the valve shaft mounting hole for installing valve shaft, the sidewall of described valve seat offers inlet hole, upper lower wall offers air outlet hole and exhaust port respectively, and described inlet hole, air outlet hole and exhaust port all communicate with valve shaft mounting hole; The axis body sidewall of described valve shaft insertion valve shaft mounting hole offers the vent I, vent II and the vent III that communicate, the axis body that described valve shaft stretches out valve shaft mounting hole is connected with handle by worm component, the rotation of valve shaft in valve shaft mounting hole is realized by pulling handle, by the rotation of valve shaft in valve shaft mounting hole, realize vent I and inlet hole, vent II communicates with air outlet hole or realizes vent I and air outlet hole, vent III communicates with exhaust port, and the other end of described air outlet hole communicates with valve used pneumatic actuator gas circuit.
2. source of the gas safety shutoff valve according to claim 1, is characterized in that: the insertion end that described valve shaft inserts valve shaft mounting hole is arranged with seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410094893.0A CN104913084A (en) | 2014-03-11 | 2014-03-11 | Air source safety stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410094893.0A CN104913084A (en) | 2014-03-11 | 2014-03-11 | Air source safety stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104913084A true CN104913084A (en) | 2015-09-16 |
Family
ID=54082400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410094893.0A Pending CN104913084A (en) | 2014-03-11 | 2014-03-11 | Air source safety stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104913084A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2714954A1 (en) * | 1994-01-07 | 1995-07-13 | Total Sa | Air operated stop valve for air supply |
| CN102588664A (en) * | 2012-02-29 | 2012-07-18 | 浙江鼎锋流体自控设备有限公司 | Safety hand wheel hand-operation and automatic-operation switching mechanism of pneumatic actuator |
| US20120211685A1 (en) * | 2011-02-17 | 2012-08-23 | Easytork Automation Corporation | Pneumatic actuator air flow control system |
| CN102788192A (en) * | 2011-05-20 | 2012-11-21 | 浙江鼎锋流体自控设备有限公司 | Clutch type safe switchover hand wheel mechanism of pneumatic actuator |
| CN203757066U (en) * | 2014-03-11 | 2014-08-06 | 台州巨航自动化设备科技有限公司 | Gas source safety stop valve |
-
2014
- 2014-03-11 CN CN201410094893.0A patent/CN104913084A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2714954A1 (en) * | 1994-01-07 | 1995-07-13 | Total Sa | Air operated stop valve for air supply |
| US20120211685A1 (en) * | 2011-02-17 | 2012-08-23 | Easytork Automation Corporation | Pneumatic actuator air flow control system |
| CN102788192A (en) * | 2011-05-20 | 2012-11-21 | 浙江鼎锋流体自控设备有限公司 | Clutch type safe switchover hand wheel mechanism of pneumatic actuator |
| CN102588664A (en) * | 2012-02-29 | 2012-07-18 | 浙江鼎锋流体自控设备有限公司 | Safety hand wheel hand-operation and automatic-operation switching mechanism of pneumatic actuator |
| CN203757066U (en) * | 2014-03-11 | 2014-08-06 | 台州巨航自动化设备科技有限公司 | Gas source safety stop valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150916 |
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| RJ01 | Rejection of invention patent application after publication |