CN210661533U - Explosion-proof overpressure exhaust valve - Google Patents
Explosion-proof overpressure exhaust valve Download PDFInfo
- Publication number
- CN210661533U CN210661533U CN201921888332.2U CN201921888332U CN210661533U CN 210661533 U CN210661533 U CN 210661533U CN 201921888332 U CN201921888332 U CN 201921888332U CN 210661533 U CN210661533 U CN 210661533U
- Authority
- CN
- China
- Prior art keywords
- piston
- exhaust valve
- explosion
- middle shaft
- inner tube
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000002146 bilateral effect Effects 0.000 claims abstract 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 34
- 229910052802 copper Inorganic materials 0.000 claims description 34
- 239000010949 copper Substances 0.000 claims description 34
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000004880 explosion Methods 0.000 claims description 7
- 230000035939 shock Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Landscapes
- Safety Valves (AREA)
Abstract
The utility model relates to an exhaust valve technical field just discloses an explosion-proof superpressure exhaust valve, which comprises a housin, the inside fixed mounting of casing has the inner tube, the bottom fixed mounting of inner tube has the spacing ring, two gas pockets of bilateral symmetry distribution are seted up to the inside of inner tube, the inside movable mounting of spacing ring has the axis, centraxonial top fixed mounting has first piston, centraxonial bottom fixed mounting has the second piston, the equal fixed mounting in the outside of first piston and second piston has the sealing washer. The explosion-proof overpressure exhaust valve has the advantages of automatic electric alarm and the like, and solves the problems that when the existing explosion-proof overpressure exhaust valve is used, the valve needs to be pushed to be opened by air pressure, the valve pushes the lever to rotate to sound the prompt bell after being opened, and when the air pressure in an engineering slowly rises or a shock wave is stirred to be small, the sound of the lever rotating to sound the prompt bell is influenced, and workers cannot be effectively prompted.
Description
Technical Field
The utility model relates to an exhaust valve technical field specifically is an explosion-proof superpressure exhaust valve.
Background
The explosion-proof overpressure exhaust valve is an important device of an air-proof basement, is arranged at various air-free parts of a civil air defense project and is used for blocking or weakening the effect of weapon killing and destruction to enter the interior of the project and ensuring the safety of the interior of the project.
At present, when the explosion-proof overpressure exhaust valve is used, the valve needs to be pushed to be opened by air pressure, the lever is pushed to rotate to sound the prompting bell after the valve is opened, when the air pressure in a project slowly rises or when shock waves are stirred to be small, the sound of the lever rotating to sound the prompting bell is influenced, workers cannot be effectively prompted, and therefore the explosion-proof overpressure exhaust valve is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides an explosion-proof superpressure exhaust valve possesses advantages such as automatic electric alarm, has solved present explosion-proof superpressure exhaust valve in the use, need utilize atmospheric pressure to promote the valve and open, and the valve promotes the lever after opening and rotates and rings the suggestion bell, and when engineering inside atmospheric pressure slowly risees or the shock wave stirs for a short time, the lever rotates the sound size of knocking the suggestion bell and then can receive the influence, the problem that can not effectual suggestion staff.
(II) technical scheme
For the purpose of realizing above-mentioned automatic electric alarm, the utility model provides a following technical scheme: an explosion-proof overpressure exhaust valve comprises a shell, wherein an inner tube is fixedly arranged inside the shell, a limiting ring is fixedly arranged at the bottom of the inner tube, two air holes which are symmetrically distributed leftwards and rightwards are formed in the inner tube, a center shaft is movably arranged inside the limiting ring, a first piston is fixedly arranged at the top of the center shaft, a second piston is fixedly arranged at the bottom of the center shaft, sealing rings are fixedly arranged on the outer sides of the first piston and the second piston, two conducting strips which are symmetrically distributed leftwards and rightwards are fixedly arranged inside the limiting ring, a conducting wire which penetrates through and extends to the outer side of the shell is fixedly arranged on the opposite sides of the two conducting strips, a spring with one end fixedly connected with the top of the second piston is fixedly arranged at the bottom of the limiting ring, two copper sheets which are symmetrically distributed leftwards and rightwards are fixedly arranged inside the center shaft, and a connecting wire, the inside fixed mounting of casing has the inner ring, the outside fixed mounting of casing has the base, casing outside fixed mounting has the gusset plate with base fixed connection.
Preferably, the first piston is located inside the inner tube, and the first piston is movably connected with the inner tube.
Preferably, the second piston is located inside the inner ring, and the second piston is movably connected with the inner ring.
Preferably, the left side and the right side of the center shaft are both provided with grooves, the two copper sheets are respectively positioned inside the two grooves, and the two grooves are respectively positioned below the two conducting strips.
Preferably, the spring is located on the outer side of the middle shaft, and the spring is not in contact with the middle shaft.
Preferably, the number of the reinforcing plates is four, and the four reinforcing plates are distributed annularly at equal intervals.
(III) advantageous effects
Compared with the prior art, the utility model provides an explosion-proof superpressure exhaust valve possesses following beneficial effect:
1. the explosion-proof overpressure exhaust valve utilizes a flange and a gasket to fix a base and an engineering inner embedded pipe, a power supply, two conducting strips of the explosion-proof overpressure exhaust valve and an electric bell in the prior art are connected in series, when the pressure in the engineering is kept to be higher than thirty Pa, the engineering inner pressure pushes a second piston to move upwards, the second piston pushes a center shaft to move upwards in a limiting ring, the center shaft pushes a first piston to move upwards, meanwhile, the second piston compresses a spring, so that a gap is generated between the second piston and an inner ring and between the first piston and an inner pipe, gas flows to the inside of an air hole through the gap between the second piston and the inner ring, the gas in the air hole flows to the outside through the gap between the first piston and the inner pipe, when the second piston is pushed out of the inner ring by the pressure, two copper sheets are respectively contacted with the two conducting strips, and power supply current is led into the left copper sheet through the, the left copper sheet passes through the connecting wire with the leading-in right copper sheet of electric current, and the right copper sheet passes through the leading-in electric bell of right side wire with the electric current, realizes the power supply of electric bell, sends out the police dispatch newspaper, reminds the staff to reach automatic electric alarm's purpose, compare lever rotation and beat the suggestion bell more reliably safe.
2. This explosion-proof superpressure exhaust valve, under the initial condition, the spring promotes the second piston to seal to the inner ring is inside, and first piston is located the inside of inner tube simultaneously and seals, realizes double-deck sealed effect, can improve exhaust valve's leakproofness, prevents gas leakage, and the spring promotes the second piston to the inner ring is inside, and the second piston drives the axis and moves down, makes two conducting strips keep away from to two copper sheets, thereby breaks off the contact between two conducting strips and two copper sheets, cuts off the circular telegram of electric bell.
Drawings
FIG. 1 is a sectional view of the structure of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a top view of the middle axle structure of the present invention.
In the figure: the device comprises a shell 1, an inner tube 2, air holes 3, a limiting ring 4, a central shaft 5, a first piston 6, a sealing ring 7, a lead 8, a conductive sheet 9, a spring 10, a copper sheet 11, a reinforcing plate 12, a base 13, an inner ring 14, a second piston 15 and a connecting wire 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an explosion-proof overpressure exhaust valve comprises a shell 1, an inner tube 2 is fixedly arranged in the shell 1, a limiting ring 4 is fixedly arranged at the bottom of the inner tube 2, two air holes 3 which are bilaterally symmetrically distributed are formed in the inner tube 2, a center shaft 5 is movably arranged in the limiting ring 4, a first piston 6 is fixedly arranged at the top of the center shaft 5, the first piston 6 is positioned in the inner tube 2 and movably connected with the inner tube 2, a second piston 15 is fixedly arranged at the bottom of the center shaft 5, the second piston 15 is positioned in an inner ring 14 and movably connected with the inner ring 14, sealing rings 7 are fixedly arranged at the outer sides of the first piston 6 and the second piston 15, two conducting strips 9 which are bilaterally symmetrically distributed are fixedly arranged in the limiting ring 4, a lead 8 which penetrates through and extends to the outer side of the shell 1 is fixedly arranged at the opposite sides of the two conducting strips 9, the bottom of the limiting ring 4 is fixedly provided with a spring 10, one end of the spring 10 is fixedly connected with the top of a second piston 15, the spring 10 is positioned on the outer side of the middle shaft 5, the spring 10 is not contacted with the middle shaft 5, two copper sheets 11 which are symmetrically distributed leftwards and rightwards are fixedly arranged in the middle shaft 5, the left side and the right side of the middle shaft 5 are both provided with grooves, the two copper sheets 11 are respectively positioned in the two grooves, the two grooves are respectively positioned below the two conducting sheets 9, a connecting line 16 is fixedly arranged between the opposite sides of the two copper sheets 11, the inner part of the shell 1 is fixedly provided with an inner ring 14, the outer side of the shell 1 is fixedly provided with a base 13, the outer side of the shell 1 is fixedly provided with reinforcing plates 12 which are fixedly connected with the base 13, the number of the reinforcing plates 12 is four, the four reinforcing plates 12 are, two conducting strips 9 and an electric bell of a power supply and an explosion-proof overpressure exhaust valve in the prior art are connected in series, when the pressure in the engineering is kept higher than thirty Pa, the pressure in the engineering pushes a second piston 15 to move upwards, the second piston 15 pushes a central shaft 5 to move upwards in a limiting ring 4, the central shaft 5 pushes a first piston 6 to move upwards, meanwhile, the second piston 15 compresses a spring 10, so that a gap is generated between the second piston 15 and an inner ring 14 and between the first piston 6 and an inner tube 2, gas flows into an air hole 3 through the gap between the second piston 15 and the inner ring 14, the gas in the air hole 3 flows to the outside through the gap between the first piston 6 and the inner tube 2, when the second piston 15 is pushed out of the inner ring 14 by the pressure, two copper sheets 11 are respectively contacted with the two conducting strips 9, and power supply current is led into the left copper sheet 11 through the left side 9, the left copper sheet 11 guides current into the right copper sheet 11 through the connecting wire 16, the right copper sheet 11 guides the current into the electric bell through the right wire 8, power supply of the electric bell is achieved, an alarm is given out, a worker is reminded, the purpose of automatic electric alarm is achieved, the alarm is more reliable and safer than a lever rotating and ringing prompt bell, in an initial state, the spring 10 pushes the second piston 15 to the inner portion of the inner ring 14 to seal the inner portion of the inner ring 14, meanwhile, the first piston 6 is located inside the inner tube 2 to seal, a double-layer sealing effect is achieved, the sealing performance of the exhaust valve can be improved, gas leakage is prevented, the spring 10 pushes the second piston 15 to the inner portion of the inner ring 14, the second piston 15 drives the middle shaft 5 to move downwards, the two copper sheets 11 are far away from the two conductive sheets 9, contact between the two conductive sheets 9 and the two copper sheets.
When the anti-explosion overpressure exhaust valve is used, the base 13 and an engineering inner embedded pipe are fixed by using a flange and a gasket, two conducting strips 9 and an electric bell of a power supply and an anti-explosion overpressure exhaust valve in the prior art are connected in series, when the pressure in the engineering is kept to be higher than thirty Pa, the pressure in the engineering pushes the second piston 15 to move upwards, the second piston 15 pushes the middle shaft 5 to move upwards in the limiting ring 4, the middle shaft 5 pushes the first piston 6 to move upwards, meanwhile, the second piston 15 compresses the spring 10, gaps are formed between the second piston 15 and the inner ring 14 and between the first piston 6 and the inner pipe 2, gas flows into the air hole 3 through the gap between the second piston 15 and the inner ring 14, the gas in the air hole 3 flows to the outside through the gap between the first piston 6 and the inner pipe 2, when the second piston 15 is pushed out of the inner ring 14 by the pressure, the two copper sheets 11 are respectively contacted with the two conducting strips 9, supply current leads to left side copper sheet 11 through left side conducting strip 9, and left side copper sheet 11 passes through connecting wire 16 with the leading-in right side copper sheet 11 of electric current, and right side copper sheet 11 passes through the leading-in electric bell of right side wire 8 with the electric current, realizes the power supply of electric bell, sends out the police dispatch newspaper, reminds the staff to automatic electric alarm's purpose has been reached, it is more reliable safety to compare lever rotation and rings suggestion bell.
In summary, the explosion-proof overpressure exhaust valve utilizes the flange and the gasket to fix the base 13 and the engineering inner embedded pipe, and connects the power supply, the two conducting strips 9 of the explosion-proof overpressure exhaust valve and the electric bell in series in the prior art, when the pressure inside the engineering is kept higher than thirty pascals, the engineering inner pressure pushes the second piston 15 to move upwards, the second piston 15 pushes the middle shaft 5 to move upwards inside the limit ring 4, the middle shaft 5 pushes the first piston 6 to move upwards, meanwhile, the second piston 15 compresses the spring 10, so that a gap is generated between the second piston 15 and the inner ring 14 and between the first piston 6 and the inner pipe 2, the gas flows to the inside of the gas hole 3 through the gap between the second piston 15 and the inner ring 14, the gas inside the gas hole 3 flows to the outside through the gap between the first piston 6 and the inner pipe 2, when the second piston 15 is pushed out of the inner ring 14, the two copper sheets 11 are respectively contacted with the two conducting sheets 9, power supply current is led into the left copper sheet 11 through the left conducting sheet 9, the left copper sheet 11 leads the current into the right copper sheet 11 through the connecting wire 16, the right copper sheet 11 leads the current into the electric bell through the right conducting wire 8, the power supply of the electric bell is realized, an alarm is given out, a worker is reminded, and the purpose of automatic electric alarm is achieved, compared with a lever rotation and ring-knocking prompt bell, the electric bell is more reliable and safer, in an initial state, the spring 10 pushes the second piston 15 to the inner ring 14 to seal the inner ring 14, meanwhile, the first piston 6 is positioned in the inner pipe 2 to seal, a double-layer sealing effect is realized, the sealing performance of the exhaust valve can be improved, gas leakage is prevented, the spring 10 pushes the second piston 15 to the inner ring 14, the second piston 15 drives the middle shaft 5 to move downwards, therefore, the contact between the two conducting strips 9 and the two copper sheets 11 is cut off, the electrification of the electric bell is cut off, and the problems that when the existing explosion-proof overpressure exhaust valve is used, the valve needs to be pushed to be opened by air pressure, the valve pushes the lever to rotate to sound the prompting bell after being opened, when the air pressure in the engineering slowly rises or when the shock wave is stirred to be small, the sound of the lever rotating to sound the prompting bell is influenced, and workers cannot be prompted effectively are solved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An explosion-proof overpressure exhaust valve, includes casing (1), its characterized in that: the inner tube (2) is fixedly installed inside the shell (1), the limiting ring (4) is fixedly installed at the bottom of the inner tube (2), two air holes (3) which are distributed in a bilateral symmetry manner are formed in the inner tube (2), a middle shaft (5) is movably installed inside the limiting ring (4), a first piston (6) is fixedly installed at the top of the middle shaft (5), a second piston (15) is fixedly installed at the bottom of the middle shaft (5), sealing rings (7) are fixedly installed on the outer sides of the first piston (6) and the second piston (15), two conducting strips (9) which are distributed in a bilateral symmetry manner are fixedly installed inside the limiting ring (4), a wire (8) which penetrates through and extends to the outer side of the shell (1) is fixedly installed on one side of the back of the two conducting strips (9), and a spring (10) with one end fixedly connected with the top of the second piston (15) is fixedly installed at the bottom of the limiting ring (4), the novel middle shaft is characterized in that two copper sheets (11) which are symmetrically distributed left and right are fixedly mounted inside the middle shaft (5), a connecting wire (16) is fixedly mounted between the opposite sides of the two copper sheets (11), an inner ring (14) is fixedly mounted inside the shell (1), a base (13) is fixedly mounted on the outer side of the shell (1), and a reinforcing plate (12) fixedly connected with the base (13) is fixedly mounted on the outer side of the shell (1).
2. An explosion proof over pressure exhaust valve according to claim 1 further characterized by: the first piston (6) is positioned inside the inner pipe (2), and the first piston (6) is movably connected with the inner pipe (2).
3. An explosion proof over pressure exhaust valve according to claim 1 further characterized by: the second piston (15) is positioned inside the inner ring (14), and the second piston (15) is movably connected with the inner ring (14).
4. An explosion proof over pressure exhaust valve according to claim 1 further characterized by: the left side and the right side of the middle shaft (5) are both provided with grooves, the two copper sheets (11) are respectively positioned in the two grooves, and the two grooves are respectively positioned below the two conducting sheets (9).
5. An explosion proof over pressure exhaust valve according to claim 1 further characterized by: the spring (10) is positioned on the outer side of the middle shaft (5), and the spring (10) is not in contact with the middle shaft (5).
6. An explosion proof over pressure exhaust valve according to claim 1 further characterized by: the number of the reinforcing plates (12) is four, and the four reinforcing plates (12) are distributed annularly at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921888332.2U CN210661533U (en) | 2019-11-05 | 2019-11-05 | Explosion-proof overpressure exhaust valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921888332.2U CN210661533U (en) | 2019-11-05 | 2019-11-05 | Explosion-proof overpressure exhaust valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210661533U true CN210661533U (en) | 2020-06-02 |
Family
ID=70818546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921888332.2U Expired - Fee Related CN210661533U (en) | 2019-11-05 | 2019-11-05 | Explosion-proof overpressure exhaust valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210661533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114081348A (en) * | 2021-11-19 | 2022-02-25 | 镇江杰欣厨具有限公司 | Sealed anti-overflow strengthened glass pot cover |
-
2019
- 2019-11-05 CN CN201921888332.2U patent/CN210661533U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114081348A (en) * | 2021-11-19 | 2022-02-25 | 镇江杰欣厨具有限公司 | Sealed anti-overflow strengthened glass pot cover |
| CN114081348B (en) * | 2021-11-19 | 2022-06-03 | 镇江杰欣厨具有限公司 | Sealed anti-overflow strengthened glass pot cover |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6975942B2 (en) | Cylindrical battery | |
| CN208503965U (en) | A kind of oil-gas pipeline leakage alarming device | |
| CN210661533U (en) | Explosion-proof overpressure exhaust valve | |
| CA2240415A1 (en) | Explosion-proof seal plate for sealed type cell and production method thereof | |
| CN211350324U (en) | Explosion-proof pressure release system of transformer | |
| CN104716280A (en) | Cylindrical lithium ion battery cover plate, cylindrical lithium ion battery and production method of cylindrical lithium ion battery | |
| CN106683826A (en) | High-safety oil-immersed type transformer | |
| US2471585A (en) | Explosion-proof battery vent and filler plug | |
| CN210403874U (en) | Lithium ion battery structure | |
| CN110451102B (en) | Flexible light rubber floating disc sealing ring and application thereof | |
| CN204391167U (en) | Cylindricality lithium ion battery | |
| US3355329A (en) | Cell having integral valve, terminal, and contact member assembly | |
| CN205621564U (en) | Leak protection oil oil -immersed transformer | |
| CN212080392U (en) | Flame-retardant rubber tube with long service life | |
| CN103486264B (en) | Cable trench sealing device | |
| GB1334282A (en) | Electrical load relief devices for example overvoltage arresters | |
| CN211039136U (en) | Combined shaft end seal | |
| CN113903551A (en) | SF (sulfur hexafluoride)6Structure and method for vacuumizing box edge of gas-insulated transformer | |
| US2756281A (en) | Explosion proof acoustic device | |
| CN214663767U (en) | Novel insulating tube with water leakage detection device | |
| CN205222325U (en) | Explosion -proof control box for elevator | |
| CN205178363U (en) | Explosion -proof safety's totally closed inflatable looped netowrk cabinet | |
| JP2009016079A (en) | Sealing structure of cylindrical cell, and alkaline cell | |
| CN205751769U (en) | A kind of pressure relief device of oil-immersed type transformer | |
| CN212409922U (en) | Gas temperature and pressure integrated sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 |