CN203477493U - Manual exhaust safety valve - Google Patents
Manual exhaust safety valve Download PDFInfo
- Publication number
- CN203477493U CN203477493U CN201320485197.3U CN201320485197U CN203477493U CN 203477493 U CN203477493 U CN 203477493U CN 201320485197 U CN201320485197 U CN 201320485197U CN 203477493 U CN203477493 U CN 203477493U
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- valve body
- manual exhaust
- valve
- exhaust safety
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Abstract
The utility model relates to a manual exhaust safety valve which comprises a lower valve body, an upper valve body, a valve body, an air inlet, a valve opening, an exhaust opening and a manual exhaust device connected with the valve body. The manual exhaust device uses a pulling rod. A handle is arranged at the top of the pulling rod. The pulling rod is connected with the valve body through a compressed spring. A spring base is arranged between the lower face of the compressed spring and the valve body. The safety valve can solve the problem that sealing effectiveness is limited, and influence from environment conditions such as working condition temperature is high, meanwhile, the problem that influence from magnetic body performance and service life is high, limitation of the working condition environment situation is caused, and working effect stability is pour is solved, the shortcoming that in the prior art, a safety valve is limited in drift diameter and flow, poor in sealing performance, poor in opening and closing sensitivity, large in pressure differential range, poor in using stability and short in service life is overcome, manual operation can be achieved, and the manual exhaust safety valve has the advantages of being simple in structure, complete in function and good in manual controllability.
Description
Technical field
The utility model belongs to air-channel system air pressure regulating and controlling technical field, relate to a kind of safety valve, relates in particular to a kind of overvoltage protection for gas circuit, and safety valve that can manual exhaust.
Background technique
In pneumatic system, when air pressure in gas circuit is too high, in order to protect the element in air-channel system not to be damaged, need to make air pressure in rational force value, now need to use safety valve.Current safety valve, its seal form adopts rubber valve, metal valve or steel ball sealing etc. more, the type of its internal structure also has a variety of, but more there is latus rectum, the limited problem of flow in existing safety valve, exist sealability poor, open and return and close that sensitivity is poor, pressure differential range is large, stability in use is poor, and working life shorter defect; In addition, current safety valve mostly is automatic adjustable structure, thus exist working stability risk larger more, artificially can the poor problem of handling.
The patent No. is " ZL201120493237.X ", application publication number is " CN202418761U ", name is called the Chinese utility model patent of " safety valves for gas with damping device ", a kind of safety valves for gas with damping device is disclosed, described safety valves for gas includes solenoid valve and the fuel gas valve core being arranged in housing, the metal contact of solenoid valve is arranged on rubber base, metal contact is over against the valve feeler lever of fuel gas valve core, between the valve feeler lever of the metal contact of described solenoid valve and spool, elastic buffering mechanism is set.Although this safety valves for gas with damping device can be to a certain extent by acting on the valve feeler lever of fuel gas valve core to the active force of handlebar stem, and then pass through elastic buffering mechanism active force to contact by valve feeler lever, thereby opens solenoid valve, form the gas circuit of conducting, but because being valve feeler lever by the application of force, this handlebar stem with the safety valves for gas of damping device contacts with active force in contact with elastic buffering mechanism, so easily cause the unstable unsafe problems at contact position place, thereby affect the work safety stability of single unit system, exist and affect the single unit system defect in working life simultaneously.
The patent No. is " ZL97205898.2 ", application publication number is " CN2296441Y ", name is called the Chinese utility model patent of " a kind of gas relief valve ", a kind of gas relief valve is disclosed, by bringing into, air outlet, elastic film, pass bar and handle, the through-type membrance valve of handle bar and shell forms, gear and one end are housed on handle bar and are fixed on the spiral spring on outer casing inner wall, gear is meshed with gear, in-line gears through gear mesh another gear, gear is connected to a same dog end, the rotating shaft of gear is fixed through the fixing support of going up inside the shell, solenoid valve is housed in shell, the pull bar of ratchet that the band that can attract can be hooked in the teeth of ratchet is housed on it, pull bar hangs on shell upper base through little spring.Although this gas relief valve can be realized the function of manual-lock to a certain extent, but because it adopts gear to mesh to realize manual function, so there is complicated integral structure, complex operation, and overall performance is easily subject to the problem of the performance impact of gear mechanism, easily there is inefficiency, the poor defect of safety and stability performance.
On the whole, more existing in pneumatic system for regulate the safety valve of reasonable atmospheric pressure value when gas circuit air pressure is too high, they are many by adopting the modes such as seal ring, O type circle to realize to a certain extent sealing, but this mode exists sealing more validity limited, be subject to the problem that the environmental influences such as working temperature are larger; More existing safety valves adopt the modes such as magnet to realize the adjusting control to gas circuit air pressure more simultaneously, but this mode is subject to the impact of magnet performance and life span larger more, in addition be also subject to the restriction of work condition environment condition, so have the problem of working effect less stable more, be all difficult to meet the needs of pneumatic system actual conditions; Meanwhile, exist more than existing safety valve complex structure, function singleness, artificially can handling difference problem, for this reason, need a kind of safety valve that can address the above problem and overcome above-mentioned defect, to meet the needs of actual conditions.
Model utility content
The purpose of this utility model is, a kind of manual exhaust safety valve is provided, the existing sealing validity of mode sealing with solution available technology adopting seal ring is limited, be subject to the problem that the environmental influences such as working temperature are larger, solve the modes such as available technology adopting magnet realizes the adjusting of gas circuit air pressure is controlled and is existingly subject to the impact of magnet performance and life span larger simultaneously, in addition be also subject to the restriction of work condition environment condition, the problem of working effect less stable, overcome the existing latus rectum of safety valve of the prior art, flow is limited, sealability is poor, open and return pass sensitivity poor, pressure differential range is larger, stability in use is poor, and working life shorter defect, meanwhile, its can also solve the existing complex structure of safety valve of the prior art, function singleness, artificially can handling difference problem, it can realize manually-operable, can meet the needs of actual conditions.
For achieving the above object, the utility model provides a kind of manual exhaust safety valve, comprises lower valve body and upper valve body, valve, and suction port, valve port and relief opening, also comprises the manual exhaust device being connected with valve.
The manual exhaust device being connected with valve as above, can specialize by multiple means of the prior art, such as valve is connected by welding directly with manual exhaust device, or directly valve and manual exhaust device are made to integral structure, yet preferably, described manual exhaust device is connected with valve by Compress Spring.
In above arbitrary scheme, preferably, described Compress Spring is arranged on upper valve body inside.
In above arbitrary scheme, preferably, described Compress Spring contacts with upper valve body.
In above arbitrary scheme, preferably, described Compress Spring and upper valve body are coaxial line structure.
In above arbitrary scheme, preferably, described upper valve body inside is provided with downward boss, and described Compress Spring is enclosed within on boss.
In above arbitrary scheme, preferably, below described Compress Spring, between itself and valve, be also provided with spring seat.
In above arbitrary scheme, preferably, described spring socket sleeve is located at Compress Spring inside.
In above arbitrary scheme, preferably, described spring seat and Compress Spring are set to coaxial line structure.
In above arbitrary scheme, preferably, described spring seat edge is provided with the rib contacting with Compress Spring.
In above arbitrary scheme, preferably, the center of described spring seat is provided with through hole.
In above arbitrary scheme, preferably, described manual exhaust device adopts pull bar.
In above arbitrary scheme, preferably, the top of described pull bar is provided with handle.
In above arbitrary scheme, preferably, described handle is provided with interior threaded hole, and pull bar is provided with outside thread with matching, and the two is threaded connection.
In above arbitrary scheme, preferably, described handle and pull bar are by being welded to connect.
In above arbitrary scheme, preferably, described handle and pull bar are integral type structure.
In above arbitrary scheme, preferably, described upper valve body center is provided with through hole.
In above arbitrary scheme, preferably, described manual exhaust device is successively through upper valve body, Compress Spring and spring seat.
In above arbitrary scheme, preferably, between described pull bar and upper valve body, be provided with nut.
In above arbitrary scheme, preferably, described upper valve body side is provided with tapped hole and lock screw, and described lock screw holds out against lower valve body upper valve body is fixedly connected with lower valve body.
In above arbitrary scheme, preferably, described lower valve body is provided with outside thread, and described upper valve body is provided with the internal thread matching with this outside thread, and lower valve body is connected with screw-internal thread fit by outside thread with upper valve body.
In above arbitrary scheme, preferably, described suction port is arranged on the inside of lower valve body.
In above arbitrary scheme preferably, described valve port be arranged on suction port above.
In above arbitrary scheme, preferably, described valve is arranged on the valve port position of lower valve inner.
In above arbitrary scheme, preferably, described relief opening is arranged on lower valve body.
In above arbitrary scheme, preferably, the edge of described lower valve body and upper valve body is provided with chamfering.
Compared with prior art, the utlity model has following advantage:
The utility model provides a kind of manual exhaust safety valve, it is by arranging the manual exhaust device being connected with valve, it adopts Compress Spring and the spring seat that is arranged on below Compress Spring is connected with valve, make this safety valve in pneumatic system, when air pressure in gas circuit is too high, can automatic vent, thereby the element in protection air-channel system is not damaged, effectively make air pressure in rational force value, and in air pressure drains into safety range time, can automatically close again, meanwhile, it is limited that this safety valve can also effectively solve the existing sealing validity of mode that available technology adopting seal ring seals, be subject to the problem that the environmental influences such as working temperature are larger, solve the modes such as available technology adopting magnet realizes the adjusting of gas circuit air pressure is controlled and is existingly subject to the impact of magnet performance and life span larger simultaneously, the restriction of also receiving work condition environment condition simultaneously, the problem of working effect less stable, overcome the more existing defects of safety valve of the prior art, there is latus rectum and flow is large, good seal performance, open and return pass sensitivity good, pressure differential range is big or small, stability in use is good, simple and reasonable, cost is lower, easy to use, and the advantage of long service life, meanwhile, its can also solve the existing complex structure of safety valve of the prior art, function singleness, artificially can handling difference problem, it can realize manually-operable, can meet the needs of actual conditions.
Accompanying drawing explanation
Fig. 1 is the structural representation of manual exhaust safety valve one preferred embodiment of the present utility model.
In figure, 1 is lower valve body, and 2 is valve, and 3 is Compress Spring, and 4 is spring seat, and 5 is lock screw, and 6 is pull bar, and 7 is upper valve body, and 8 is handle, and 9 is suction port, and 10 is valve port, and 11 is relief opening.
Embodiment
In order to understand better the utility model, below in conjunction with specific embodiment, the utility model is explained in detail.But, obviously can carry out different modification and remodeling and not exceed the wider spirit and scope of the utility model that appended claim limits the utility model.Therefore, following examples have exemplary and hard-core implication.
Embodiment 1:
A manual exhaust safety valve, comprises lower valve body 1 and upper valve body 7, valve 2, and suction port 9, valve port 10 and relief opening 11, also comprises the manual exhaust device being connected with valve 2.
Embodiment 2:
A manual exhaust safety valve, with embodiment 1, difference is that described manual exhaust device is connected with valve 2 by Compress Spring 3.
Embodiment 3:
A manual exhaust safety valve, with embodiment 2, difference is that described Compress Spring 3 is arranged on upper valve body 7 inside.
Embodiment 4:
A manual exhaust safety valve, with embodiment 3, difference is that described Compress Spring 3 contacts with upper valve body 7.
Embodiment 5:
A manual exhaust safety valve, with embodiment 4, difference is that described Compress Spring 3 is coaxial line structure with upper valve body 7.
Embodiment 6:
A manual exhaust safety valve, with embodiment 5, difference is, and described upper valve body 7 inside are provided with downward boss, and described Compress Spring 3 is enclosed within on boss.
Embodiment 7:
A manual exhaust safety valve, with embodiment 6, difference is, below described Compress Spring 3, between itself and valve 2, is also provided with spring seat 4.
Embodiment 8:
A manual exhaust safety valve, with embodiment 7, difference is that described spring seat 4 is set in Compress Spring 3 inside.
Embodiment 9:
A manual exhaust safety valve, with embodiment 8, difference is that described spring seat 4 is set to coaxial line structure with Compress Spring 3.
Embodiment 10:
A manual exhaust safety valve, with embodiment 9, difference is that described spring seat 4 edges are provided with the rib contacting with Compress Spring 3.
Embodiment 11:
A manual exhaust safety valve, with embodiment 10, difference is that the center of described spring seat 4 is provided with through hole.
Embodiment 12:
A manual exhaust safety valve, with embodiment 11, difference is that described manual exhaust device adopts pull bar 6.
Embodiment 13:
A manual exhaust safety valve, with embodiment 12, difference is that the top of described pull bar 6 is provided with handle 8.
Embodiment 14:
A manual exhaust safety valve, with embodiment 13, difference is, and described handle 8 is provided with interior threaded hole, and pull bar 6 is provided with outside thread with matching, and the two is threaded connection.
Embodiment 15:
A manual exhaust safety valve, similar to embodiment 13, difference is that described handle 8 and pull bar 6 are by being welded to connect.
Embodiment 16:
A manual exhaust safety valve, similar to embodiment 13, difference is that described handle 8 is integral type structure with pull bar 6.
Embodiment 17:
A manual exhaust safety valve, with embodiment 14, difference is that described upper valve body 7 centers are provided with through hole.
Embodiment 18:
A manual exhaust safety valve, with embodiment 17, difference is that described manual exhaust device is successively through upper valve body 7, Compress Spring 3 and spring seat 4.
Embodiment 19:
A manual exhaust safety valve, with embodiment 18, difference is to be provided with nut between described pull bar 6 and upper valve body 7.
Embodiment 20:
A manual exhaust safety valve, with embodiment 19, difference is, and described upper valve body 7 sides are provided with tapped hole and lock screw 5, and described lock screw 5 holds out against lower valve body 1 upper valve body 7 is fixedly connected with lower valve body 1.
Embodiment 21:
A manual exhaust safety valve, with embodiment 20, difference is, and described lower valve body 1 is provided with outside thread, and described upper valve body 7 is provided with the internal thread matching with this outside thread, and lower valve body 1 is connected with screw-internal thread fit by outside thread with upper valve body 7.
Embodiment 22:
A manual exhaust safety valve, with embodiment 21, difference is that described suction port 9 is arranged on the inside of lower valve body 1.
Embodiment 23:
A manual exhaust safety valve, with embodiment 22, difference is, described valve port 10 be arranged on suction port 9 above.
Embodiment 24:
A manual exhaust safety valve, with embodiment 23, difference is that described valve 2 is arranged on valve port 10 positions of lower valve body 1 inside.
Embodiment 25:
A manual exhaust safety valve, with embodiment 24, difference is that described relief opening 11 is arranged on lower valve body 1.
Embodiment 26:
As shown in Figure 1, a kind of manual exhaust safety valve, with embodiment 25, difference is that the edge of described lower valve body 1 and upper valve body 7 is provided with chamfering.
So in use, manual exhaust safety valve of the present utility model, on lower valve body 1 with outside thread, on upper valve body 7 with internal thread, two screw threads cooperatively interact, thereby can make upper and lower valve body 1 mutually screw, thereby adjust the compression elasticity of Compress Spring 3, reach the object that gas vent pressure of safety valve is set; The hole of lock screw 5, on upper valve body 7, screws toward in and can withstand lower valve body 1, thereby realizes the fixing and locking when the upper and lower valve body 1 of product screws correct position, prevents that it from rotating mutually.When lower end at valve 2 of the gas pressure of pipeline, atmospheric pressure can act on the area of valve 2 lower ends, when pressure raises gradually, while reaching the exhaust pressure of setting, atmospheric pressure can make the elastic force that overcomes Compress Spring 3 push away on valve 2, thereby valve port 10 is opened, and air-flow is discharged from relief opening 11, atmospheric pressure according to pipeline varies in size, and the fierce degree of exhaust is different; When the atmospheric pressure in pipeline drains in safety range, valve 2 will push up back by compressed spring 3, thereby valve port 10 is closed; When the air pressure of pipeline needs manual exhaust, handle 8 can make progress, handle 8 will drive pull bar 6 and spring seat 4 to move upward or have active force upwards, thereby the power that makes to act on the Compress Spring 3 at valve 2 back sides reduces, valve port 10 will be opened, and the air-flow in pipeline is discharged from relief opening 11.Manual pulling force is removed, valve 2 returns, valve port 10 is closed.
Claims (23)
1. a manual exhaust safety valve, comprise lower valve body (1) and upper valve body (7), valve (2), and suction port (9), valve port (10) and relief opening (11), it is characterized in that: also comprise the manual exhaust device being connected with valve (2); Described manual exhaust device is connected with valve (2) by Compress Spring (3); Described Compress Spring (3) is arranged on upper valve body (7) inside; Described Compress Spring (3) contacts with upper valve body (7).
2. manual exhaust safety valve as claimed in claim 1, is characterized in that: described Compress Spring (3) is coaxial line structure with upper valve body (7).
3. manual exhaust safety valve as claimed in claim 1, is characterized in that: described upper valve body (7) inside is provided with downward boss, and described Compress Spring (3) is enclosed within on boss.
4. manual exhaust safety valve as claimed in claim 1, is characterized in that: below described Compress Spring (3), between itself and valve (2), be also provided with spring seat (4).
5. manual exhaust safety valve as claimed in claim 4, is characterized in that: described spring seat (4) is set in Compress Spring (3) inside.
6. manual exhaust safety valve as claimed in claim 5, is characterized in that: described spring seat (4) is set to coaxial line structure with Compress Spring (3).
7. manual exhaust safety valve as claimed in claim 6, is characterized in that: described spring seat (4) edge is provided with the rib contacting with Compress Spring (3).
8. manual exhaust safety valve as claimed in claim 6, is characterized in that: the center of described spring seat (4) is provided with through hole.
9. manual exhaust safety valve as claimed in claim 8, is characterized in that: described manual exhaust device adopts pull bar (6).
10. manual exhaust safety valve as claimed in claim 9, is characterized in that: the top of described pull bar (6) is provided with handle (8).
11. manual exhaust safety valves as claimed in claim 10, is characterized in that: described handle (8) is provided with interior threaded hole, and pull bar (6) is provided with outside thread with matching, and the two is threaded connection.
12. manual exhaust safety valves as claimed in claim 10, is characterized in that: described handle (8) and pull bar (6) are by being welded to connect.
13. manual exhaust safety valves as claimed in claim 10, is characterized in that: described handle (8) is integral type structure with pull bar (6).
14. manual exhaust safety valves as claimed in claim 11, is characterized in that: described upper valve body (7) center is provided with through hole.
15. manual exhaust safety valves as claimed in claim 14, is characterized in that: described manual exhaust device is successively through upper valve body (7), Compress Spring (3) and spring seat (4).
16. manual exhaust safety valves as claimed in claim 15, is characterized in that: between described pull bar (6) and upper valve body (7), be provided with nut.
17. manual exhaust safety valves as described in any one in claim 1-16, it is characterized in that: described upper valve body (7) side is provided with tapped hole and lock screw (5), described lock screw (5) holds out against lower valve body (1) upper valve body (7) is fixedly connected with lower valve body (1).
18. manual exhaust safety valves as described in any one in claim 1-16, it is characterized in that: described lower valve body (1) is provided with outside thread, described upper valve body (7) is provided with the internal thread matching with this outside thread, and lower valve body (1) is connected with screw-internal thread fit by outside thread with upper valve body (7).
19. manual exhaust safety valves as described in any one in claim 1-16, is characterized in that: described suction port (9) is arranged on the inside of lower valve body (1).
20. manual exhaust safety valves as claimed in claim 19, is characterized in that: described valve port (10) be arranged on suction port (9) above.
21. manual exhaust safety valves as claimed in claim 20, is characterized in that: described valve (2) is arranged on inner valve port (10) position of lower valve body (1).
22. manual exhaust safety valves as claimed in claim 21, is characterized in that: described relief opening (11) is arranged on lower valve body (1).
23. manual exhaust safety valves as described in any one in claim 1-16, is characterized in that: the edge of described lower valve body (1) and upper valve body (7) is provided with chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320485197.3U CN203477493U (en) | 2013-08-09 | 2013-08-09 | Manual exhaust safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320485197.3U CN203477493U (en) | 2013-08-09 | 2013-08-09 | Manual exhaust safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203477493U true CN203477493U (en) | 2014-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320485197.3U Expired - Fee Related CN203477493U (en) | 2013-08-09 | 2013-08-09 | Manual exhaust safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203477493U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554511A (en) * | 2017-09-22 | 2018-01-09 | 眉山中车制动科技股份有限公司 | A kind of hand relieving valve and stress reduction device |
| CN108730253A (en) * | 2018-06-26 | 2018-11-02 | 邢箫 | A kind of efficient overflow valve |
| CN111963737A (en) * | 2020-08-04 | 2020-11-20 | 上海国之鼎铁路机电有限公司 | Low-temperature-resistant main air cylinder high-pressure safety valve for rail transit |
| CN113830263A (en) * | 2021-10-12 | 2021-12-24 | 巢湖学院 | Multifunctional life-saving bag |
-
2013
- 2013-08-09 CN CN201320485197.3U patent/CN203477493U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554511A (en) * | 2017-09-22 | 2018-01-09 | 眉山中车制动科技股份有限公司 | A kind of hand relieving valve and stress reduction device |
| CN107554511B (en) * | 2017-09-22 | 2024-01-23 | 眉山中车制动科技股份有限公司 | Manual relief valve and pressure relief device |
| CN108730253A (en) * | 2018-06-26 | 2018-11-02 | 邢箫 | A kind of efficient overflow valve |
| CN111963737A (en) * | 2020-08-04 | 2020-11-20 | 上海国之鼎铁路机电有限公司 | Low-temperature-resistant main air cylinder high-pressure safety valve for rail transit |
| CN113830263A (en) * | 2021-10-12 | 2021-12-24 | 巢湖学院 | Multifunctional life-saving bag |
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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: 20140312 Termination date: 20190809 |
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| CF01 | Termination of patent right due to non-payment of annual fee |