CN106439127A - Pneumatic safety valve - Google Patents
Pneumatic safety valve Download PDFInfo
- Publication number
- CN106439127A CN106439127A CN201611041783.3A CN201611041783A CN106439127A CN 106439127 A CN106439127 A CN 106439127A CN 201611041783 A CN201611041783 A CN 201611041783A CN 106439127 A CN106439127 A CN 106439127A
- Authority
- CN
- China
- Prior art keywords
- valve body
- piston
- communicating pipe
- slide block
- alarm
- 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- Withdrawn
Links
Classifications
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0446—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces
- F16K17/046—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces the valve being of the gate valve type or the sliding valve type
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention relates to a pneumatic safety valve. The pneumatic safety valve comprises a valve body, a connecting port connected with equipment, an exhaust port, a piston arranged inside the valve body and an elastic element for providing pressure for the piston and further comprises a sliding block arranged between the elastic element and the piston as well as an alarm connected with the exhaust port; the inside of the valve body is divided into an upper cavity and a lower cavity which communicate with each other through a connecting pipe arranged outside the valve body; multiple communicating pipes are arranged inside the sliding block; and calibers of the communicating pipes are sequentially increased from top to bottom. With the valve, the inside pressure can be reduced by exhausting gas outwards automatically when the inside pressure of pneumatic equipment is too high, and the alarm arranged at the exhaust port can give an alarm while the gas is exhausted. The multiple communicating pipes with the different calibers are arranged inside the sliding block, and the higher the pressure is, the larger the caliber of the connected communicating pipe is, so that the alarm gives different alarms under different pressure, and a worker can confirm the running state of the equipment conveniently.
Description
Technical field
The present invention relates to relief valve technical field, specifically related to a kind of air pressure relief valve.
Background technology
Relief valve, that is, be installed in fluid system, to outside when the pressure inside the equipment or pipeline exceedes warning value
Exhaust fluid is reducing a kind of automatic valve of equipment or internal pipe pressure.Relief valve be widely used in each type III pressure vessel,
On gas pipeline or fluid pipeline, to ensure the safe operation of equipment.
The relief valve for being applied to gas apparatus or pipeline at present is typically only capable to realize opening valve when internally pressure is excessive
Outwards discharge gas, have lacked prompting warning function.When internal pressure kept is excessive, relief valve can continue outwards to discharge gas
Body, and staff possibly cannot be timely detected, continuing excessive pressure may cause the damage of equipment, harm production peace
Entirely.
Content of the invention
In order to solve the above problems, the invention provides one kind can when pressure is excessive outside discharge gas, and can send out
Go out the air pressure relief valve of alarm.
The present invention is realized using following scheme：
A kind of air pressure relief valve, including valve body, the connector for being connected with equipment, air vent, the piston located at valve inner
And for providing the flexible member of pressure to piston, also include slide block and and air vent with piston space located at flexible member
The alarm of connection；The valve inner is divided into epicoele and cavity of resorption；The epicoele and cavity of resorption are by the connection outside valve body
Connection realized by pipe；The flexible member and slide block are located at epicoele, and the piston is located at cavity of resorption；On the slide block size and valve body
Chamber size matches, and is provided with multiple communicating pipes inside the slide block, and the bore of communicating pipe increases from top to bottom successively；The connector
Located at cavity of resorption, air vent is located at epicoele, and the air vent is on same axis with the mouth of pipe of the connecting tube, and via in slide block
The communicating pipe connection in portion.
Further, the first communicating pipe for including the plurality of communicating pipe to set gradually from top to bottom, the second communicating pipe,
Tee joint pipe and the 4th communicating pipe.
Further, described alarm is loudspeaker.
Further, the flexible member is spring.
Compared to prior art, the invention has the advantages that：
1. the present invention outside discharge gas can reduce internal pressure, aerofluxuss when pneumatic compression devices internal pressure is excessive automatically
At mouthful, set alarm can also send alarm while discharge gas.
2. multiple bores set by the slide block inside of the present invention different communicating pipe, the connection that is connected when pressure is bigger
Mouth of pipe footpath is bigger, so that alarm is differed in the alarm song for being sent at various pressures, facilitates staff to confirm
The running status of equipment.
Description of the drawings
Fig. 1 is the structural representation of the present embodiment.
Specific embodiment
For ease of skilled artisan understands that the present invention, below in conjunction with specific embodiments and the drawings the present invention is made into
One step is described in detail.
With reference to Fig. 1, the embodiment of the present invention include valve body 1, for be connected with equipment connector 2, for discharging gas
Air vent 3, the piston 4 located at valve inner and the flexible member 5 for providing pressure to piston.Elasticity in the present embodiment
Element 5 is spring.A slide block 6 is additionally provided between flexible member 5 and piston 4.An alarm 7, this reality is also associated with air vent 3
Apply alarm 7 in example is loudspeaker.
The inside of valve body 1 is divided into epicoele 11 and cavity of resorption 12, and epicoele 11 is realized connecting via a connecting tube 8 with cavity of resorption 12.Its
Elastic element 5, slide block 6 are located at epicoele 11 with air vent 3, and piston is located at cavity of resorption 12.The size of slide block 6 and epicoele 11
Size matches, the slide block 6 be internally provided with multiple communicating pipes 9, bore increases from top to bottom successively, including the first communicating pipe
91st, the second communicating pipe 92, third connecting pipe 93 and the 4th communicating pipe 94.
Air inlet 81 of the connecting tube 8 at epicoele 11 and air vent 3 are on same axis, when the communicating pipe 9 in slide block 6
When between air inlet 81 and air vent 3, internal gas can be discharged from air vent 3 via communicating pipe 9.Expellant gas lead to
Cross the loudspeaker being connected with air vent and sound can be sent, so that staff learns that relief valve is in working condition.
The air pressure relief valve that the present embodiment is provided is connected on equipment via connector 2（In figure does not represent）, when in equipment
When portion's air pressure is normal, flexible member 5 is the communicating pipe 9 access failure air inlet 81 and air vent 3 of original state, slide block 6.Work as equipment
When internal pressure is excessive, internal gas promote piston 4 to move upwards, move on slide block 6, and flexible member 5 is compressed.When slide block 6
On when moving on to the first communicating pipe 91 and connecting air inlet 81 with air vent 3, device interior gas is discharged, and makes siren 7
Go out sound.If now 91 expellant gas amount of the first communicating pipe still cannot reduce internal pressure, slide block 6 may proceed to shifting,
Second communicating pipe 92 of larger caliber is made to connect air inlet 81 and air vent 3.In the same manner, the slide block 6 when internal pressure cannot reduce
Shifting is may proceed to, and makes more bigbore third connecting pipe 93 air inlet 81 and air vent 3 be connected with the 4th communicating pipe 94.And with
Communicating pipe bore increase, the sound of alarm 7 namely loudspeaker also can be with change.So that staff can be according to sound
The working condition of confirmation equipment, so as to be adjusted to equipment.And when internal pressure is returned to below marginal value, compressed
Flexible member 5 promotes piston 4 to return to initial position with slide block 6, stops to outside discharge gas.
Although the description of this invention is carried out with reference to embodiments above, those skilled in the art
Member can carry out many replacements, modifications and variations according to above-mentioned content, be obvious.Therefore, all such replacements,
Improve and change is included in scope of the appended claims.
Claims (4)
1. a kind of air pressure relief valve, including valve body（1）, for the connector that is connected with equipment（2）, air vent（3）, be located at valve body
Internal piston（4）And for providing the flexible member of pressure to piston（5）, it is characterised in that also include located at elasticity unit
Part（5）With piston（4）Between slide block（6）And and air vent（3）The alarm of connection（7）；The valve body（1）Inside is divided into
Chamber（11）And cavity of resorption（12）；The epicoele（11）And cavity of resorption（12）By being located at valve body（1）Outside connecting tube（8）The company of realization
Logical；The flexible member（5）Epicoele is located at slide block（11）Place, the piston（4）Positioned at cavity of resorption（12）；The slide block（6）Chi
Very little and valve body（1）Epicoele（11）Size matches, the slide block（6）Inside is provided with multiple communicating pipes（9）, communicating pipe（9）Bore
Increase successively from top to bottom；The connector（2）Located at cavity of resorption, air vent（3）Located at epicoele, the air vent（3）With the company
Adapter（8）The mouth of pipe（81）On same axis, and via slide block（6）Internal communicating pipe（9）Connection.
2. air pressure relief valve according to claim 1, it is characterised in that the plurality of communicating pipe（9）Including from top to bottom
The first communicating pipe for setting gradually（91）, the second communicating pipe（92）, third connecting pipe（93）And the 4th communicating pipe（94）.
3. air pressure relief valve according to claim 1, it is characterised in that described alarm（7）For loudspeaker.
4. air pressure relief valve according to claim 1, it is characterised in that the flexible member（5）For spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611041783.3A CN106439127A (en) | 2016-11-24 | 2016-11-24 | Pneumatic safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611041783.3A CN106439127A (en) | 2016-11-24 | 2016-11-24 | Pneumatic safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106439127A true CN106439127A (en) | 2017-02-22 |
Family
ID=58218518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611041783.3A Withdrawn CN106439127A (en) | 2016-11-24 | 2016-11-24 | Pneumatic safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106439127A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145388A (en) * | 2019-06-10 | 2019-08-20 | 严加文 | A kind of ternary catalyzing unit |
-
2016
- 2016-11-24 CN CN201611041783.3A patent/CN106439127A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145388A (en) * | 2019-06-10 | 2019-08-20 | 严加文 | A kind of ternary catalyzing unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170222 |
|
| WW01 | Invention patent application withdrawn after publication |