CN104913091B - A kind of adjustable visual alarm formula safety valve - Google Patents
A kind of adjustable visual alarm formula safety valve Download PDFInfo
- Publication number
- CN104913091B CN104913091B CN201510286094.8A CN201510286094A CN104913091B CN 104913091 B CN104913091 B CN 104913091B CN 201510286094 A CN201510286094 A CN 201510286094A CN 104913091 B CN104913091 B CN 104913091B
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- CN
- China
- Prior art keywords
- valve body
- valve
- gland
- regulation
- pole
- 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.)
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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
- 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
- F16K17/06—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 special arrangements for adjusting the opening pressure
-
- 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
- F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0254—Construction of housing; Use of materials therefor of lift valves with conical shaped valve members
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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
-
- 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
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The present invention specifically provides a kind of adjustable visual alarm formula safety valve, including valve body, valve body lower end is provided with threaded import, valve body lower end side wall is provided with threaded outlet, valve body upper end connection regulation gland, adjust gland and be provided with graduation mark, valve body is provided with graduated scale, valve element is provided with inside valve body lower end, sealing ring is provided between valve element and import, compression spring and center-pole are provided between regulation gland and valve element, regulation gland upper end is provided with attention device, the switch of attention device is connected with center-pole, and negative pressure generator is provided with outlet.The inventive structure is simple, can adjust pressure and with audible alarm and visual alarm function, it is adaptable to liquid pressure release and operating mode complicated and changeable, applied widely;Meanwhile, using suction type acoustical generator, it is adaptable to liquid environment, and do not result in liquid leakage;In addition, the regulation scale and graduated scale of the safety valve reduce unnecessary parts on valve body and regulation gland.
Description
Technical field
The present invention relates to a kind of safety valve, and in particular to a kind of adjustable visual alarm formula safety valve, raw applied to oil field etc.
The pressure adjustable used during production on small pressure container, equipment with pressure and facility is from alarming pressure relief valve.
Background technology
General pressure vessel and equipment with pressure, in order to ensure hypertonia is unlikely to meeting basis of causing danger under abnormal conditions
Equipment and facility pressure requirements install safety valve, carry out release when pressure exceedes setting pressure, effective guarantee equipment, facility exist
Run under safe pressure, be unlikely to cause danger.
At present, Generally Recognized as safe valve opening pressure be all it is constant, it is pre-designed, it is necessary to select phase according to required pressure
The safety valve of Opening pressure is answered, it is complicated for some operating modes, do not possess standardization and standardize, and the feelings that operating mode can change
Condition is less applicable.
Chinese patent CN201322121Y, which is disclosed below a kind of adjustable pressure relief valve, including body, body, band
Dial is provided with above the connector of screw thread, body, have above dial with body it is suitable for reading be threadedly coupled, there is discouraged lead to centre
Mouth is provided with the lower support with sealing gasket under the adjusting knob in road, the body, and the upper branch with through hole is arranged below in adjusting knob
Hold, compression spring is provided between upper and lower supporting, have in adjusting knob bleed passage upper end from ring piece.Patent portfolios pressure
Control and pressure measxurement, safety valve, a variety of functions of alarm, intuitively accurately meet the requirement that user is controlled system pressure;
However, the patent is only applicable to compressed air, and its generating means is only applicable to gas discharging from the piece that rings, and liquid then can not sounding
And there is leakage.
It is so hidden to safety in addition, without any display after existing safety valve unlatching, it is not known that excess pressure exception occurred
Suffering from excluding in time makes troubles.
Accordingly, it would be desirable to be improved to existing safety valve structure, to realize that pressure limit is adjustable, being applicable for safety valve is improved
Property.
The content of the invention
The purpose of the present invention is to overcome existing safety valve not to be suitable for nothing after the situation that operating mode changes, and unlatching to appoint
What is shown, the problem of making troubles is excluded in time to potential safety hazard.
Therefore, the invention provides a kind of adjustable visual alarm formula safety valve, including valve body, the valve body lower end is provided with band
The import of screw thread, valve body lower end side wall is provided with threaded outlet, valve body upper end connection regulation gland, the regulation gland
Provided with graduation mark, the valve body is provided with inside graduated scale, the valve body lower end and is provided with valve element, is provided between valve element and import
Sealing ring, is provided with compression spring and center-pole, the regulation gland upper end is provided with warning between the regulation gland and valve element
Device, the switch of attention device is connected with center-pole, and negative pressure acoustical generator is provided with the outlet.
Provided with warning spring between above-mentioned attention device and center-pole.
Above-mentioned attention device is fluorescence warning device.
Above-mentioned sealing ring, which is inlayed, to be fixed at the import of valve body.
Above-mentioned valve body is stainless steel.
Beneficial effects of the present invention:
(1) this adjustable visual alarm formula safety valve that the present invention is provided is applied to liquid pressure release, overcomes existing peace
Full valve
The defect of compressed air is served only for, it is applied widely.
(2) this adjustable visual alarm formula safety valve that the present invention is provided uses suction type acoustical generator, it is adaptable to Breakup of Liquid Ring
Border, and do not result in liquid leakage.
(3) the regulation scale and graduated scale for this adjustable visual alarm formula safety valve that the present invention is provided are located immediately at valve
On body and regulation gland, unnecessary parts are reduced.
(4) this adjustable visual alarm formula safety valve that the present invention is provided can show that it was once opened after unlatching, it is easy to
Postmortem is found, potential safety hazard can be excluded in time.
The present invention is described in further details below with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the structural representation of adjustable visual alarm formula safety valve of the invention.
Description of reference numerals:1st, gland is adjusted;2nd, export;3rd, compression spring;4th, valve body;5th, valve element;6th, sealing ring;7th, enter
Mouthful;8th, negative pressure acoustical generator;9th, graduation mark;10th, graduated scale;11st, attention device;12nd, spring is warned;13rd, center-pole.
Embodiment
Embodiment 1:
In order to overcome existing safety valve not to be suitable for after the situation that operating mode changes, and unlatching without any display, give
Potential safety hazard excludes the problem of making troubles in time, present embodiments provides a kind of adjustable visual alarm formula peace as shown in Figure 1
Full valve, including valve body 4, the lower end of valve body 4 are provided with threaded import 7, and the bottom side of the wall of valve body 4 is provided with threaded outlet
2, the upper end of valve body 4 connection regulation gland 1, the regulation gland 1 is provided with graduation mark 9, and the valve body 4 is provided with graduated scale
10, the lower end of valve body 4 inside is provided with valve element 5, and sealing ring 6, the regulation gland 1 and valve element are provided between valve element 5 and import 7
Be provided with compression spring 3 and center-pole 13 between 5, regulation gland 1 upper end is provided with attention device 11, the switch of attention device 11 with
Center-pole 13 is connected, and negative pressure acoustical generator 8 is provided with the outlet 2.
As shown in figure 1, import 7 and outlet 2 are all screwed connector, by import 7 and pressure vessel or with pressure set
Standby facility exit end is connected, and outlet 2 is connected with release manifold end, according to the requirement safe pressure rotation regulation pressure of installed equipment
Lid 1, make thereon graduation mark 9 it is corresponding with respective value on lower end graduated scale 10, that is, complete the setting of safety valve safe pressure value.
During work, original state bottom spool 5 is in close contact with sealing ring 6, it is ensured that system is in sealing state, when system pressure
When power is higher than setup pressure value, valve element 5 is moved up, and extrudes compression spring 3, and valve element 5 is separated with sealing ring 6, produces gap, liquid warp
Release is excluded by outlet 2 by gap, now, because discharge opeing causes outlet 2 negative pressure occur, the sounding of triggering negative pressure acoustical generator 8 enters
Row alarm;Meanwhile, valve element 5 moves up drive center-pole 13 and moved up, and attention device 11 is opened on top.
After system pressure recovers to safety valve setting pressure value, valve element 5 under the thrust of compression spring 3 again with
Sealing ring 6, which is in close contact, makes whole system return to air-tight state.
Find that attention device 11 is opened when inspection, after checking and excluding hidden trouble of equipment, center-pole 13 is pressed to and adjusted
Saving plane on gland 1 concordantly, resets attention device 11.
This adjustable visual alarm formula safety valve that the present invention is provided is applied to liquid pressure release, overcomes existing safety valve
The defect of compressed air is served only for, it is applied widely;Meanwhile, using suction type acoustical generator, it is adaptable to liquid environment, and it will not make
Into liquid leakage;In addition, the regulation scale and graduated scale of the safety valve are reduced not on valve body and regulation gland
Necessary parts.
Embodiment 2:
A kind of adjustable visual alarm formula safety valve, including valve body 4 are present embodiments provided, the lower end of valve body 4 is provided with band
The import 7 of screw thread, the bottom side of the wall of valve body 4 is provided with threaded outlet 2, the upper end of valve body 4 connection regulation gland 1, the regulation
Gland 1 is provided with graduation mark 9, and the valve body 4 is provided with inside graduated scale 10, the lower end of valve body 4 and is provided with valve element 5, valve element 5
Sealing ring 6 is provided between import 7, compression spring 3 and center-pole 13 are provided between the regulation gland 1 and valve element 5, it is described to adjust
Section gland 1 upper end is provided with attention device 11, and the switch of attention device 11 is connected with center-pole 13, and negative pressure is provided with the outlet 2
Acoustical generator 8, provided with warning spring 12 between the attention device 11 and center-pole 13, attention device 11 is under the stretching, extension of warning spring 12
Leave regulation gland 1 and be in regulation gland 1 upper end, represent that safety valve had opening, be easy to observation, set checking and excluding
It is concordant with plane on regulation gland 1 for after hidden danger, center-pole 13 is pressed to, then attention device 11 and warning spring 12 1 are removed
Pressure, resets it.
The attention device 11 is fluorescence warning device, can also understand the state that notes abnormalities at night, safety can be excluded in time hidden
Suffer from.
This adjustable visual alarm formula safety valve that the invention is provided can show that it was once opened after unlatching, it is easy to afterwards
Check and find, potential safety hazard can be excluded in time.
And avoid liquid from sealing to pass liquid through when the gap of valve element 5 and sealing ring 6 excludes release by outlet 2
The band of circle 6 is run, and the sealing ring 6, which is inlayed, to be fixed at the import 7 of valve body 4.
In addition, in order to prevent liquid corrosion, influenceing the service life of safety valve, and the safety valve is set to have necessarily by force
Degree, the valve body 4 is stainless steel.
In summary, this adjustable visual alarm formula safety valve structure that the present invention is provided is simple, it is adaptable to complicated and changeable
Operating mode, can adjust pressure simultaneously have audible alarm and visual alarm function, it is easy to safeguard.
It is exemplified as above be only to the present invention for example, do not constitute the limitation to protection scope of the present invention, it is all
It is to be belonged to the same or analogous design of the present invention within protection scope of the present invention.
Claims (1)
1. a kind of adjustable visual alarm formula safety valve, including valve body (4), it is characterised in that:Valve body (4) lower end is provided with band spiral shell
The import (7) of line, valve body (4) bottom side of the wall adjusts gland (1) provided with threaded outlet (2), the connection of valve body (4) upper end,
The regulation gland (1) is provided with graduation mark (9), and the valve body (4) is provided with graduated scale (10), valve body (4) lower end
Inside be provided with valve element (5), between valve element (5) and import (7) be provided with sealing ring (6), it is described regulation gland (1) and valve element (5) it
Between be provided with compression spring (3) and center-pole (13), it is described adjust gland (1) upper end be provided with attention device (11), attention device (11)
Switch be connected with center-pole (13), it is described outlet (2) on be provided with negative pressure acoustical generator (8);
Provided with warning spring (12) between the attention device (11) and center-pole (13);The attention device (11) is fluorescence warning
Device;
The sealing ring (6) inlays import (7) place for being fixed on valve body (4);The valve body (4) is stainless steel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510286094.8A CN104913091B (en) | 2015-05-29 | 2015-05-29 | A kind of adjustable visual alarm formula safety valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510286094.8A CN104913091B (en) | 2015-05-29 | 2015-05-29 | A kind of adjustable visual alarm formula safety valve |
Publications (2)
Publication Number | Publication Date |
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CN104913091A CN104913091A (en) | 2015-09-16 |
CN104913091B true CN104913091B (en) | 2017-09-01 |
Family
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CN201510286094.8A Active CN104913091B (en) | 2015-05-29 | 2015-05-29 | A kind of adjustable visual alarm formula safety valve |
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CN (1) | CN104913091B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106197838A (en) * | 2016-07-29 | 2016-12-07 | 广东惠利普路桥信息工程有限公司 | A kind of instrument of energy automatic alarm |
CN107588230B (en) * | 2017-10-11 | 2024-03-15 | 苏州科迪流体控制设备有限公司 | Safety alarm type ventilation gas guide valve |
CN109183699A (en) * | 2018-08-09 | 2019-01-11 | 扬州盛达特种车有限公司 | A kind of cabinet of adjustable volume |
CN112431380B (en) * | 2020-11-19 | 2022-03-11 | 江苏海筑建设集团有限公司 | Ceramic tile plastering device |
CN112943989B (en) * | 2021-03-18 | 2023-04-11 | 国网河南省电力公司南阳供电公司 | Dustproof cap and SF6 circuit breaker |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2861667Y (en) * | 2005-12-12 | 2007-01-24 | 应展 | Pressure regulating and display combined mechanism for pressure container |
CN201322121Y (en) * | 2008-11-28 | 2009-10-07 | 蒋浩亮 | Pressure adjustable safety valve |
CN201844106U (en) * | 2010-11-08 | 2011-05-25 | 南京贝奇尔机械有限公司 | Memory type visible safety valve failure display |
CN103591349A (en) * | 2013-10-24 | 2014-02-19 | 赵士民 | High-flow intelligent warning type safety valve |
CN204784906U (en) * | 2015-05-29 | 2015-11-18 | 中国石油天然气股份有限公司 | Adjustable visual alarm type relief valve |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100572875C (en) * | 2008-03-06 | 2009-12-23 | 吴江市东吴机械有限责任公司 | Safety valve |
CN103578236B (en) * | 2012-08-09 | 2016-12-21 | 宁波海曙宁兴水暖器材研发有限公司 | Alarm against leakage |
-
2015
- 2015-05-29 CN CN201510286094.8A patent/CN104913091B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2861667Y (en) * | 2005-12-12 | 2007-01-24 | 应展 | Pressure regulating and display combined mechanism for pressure container |
CN201322121Y (en) * | 2008-11-28 | 2009-10-07 | 蒋浩亮 | Pressure adjustable safety valve |
CN201844106U (en) * | 2010-11-08 | 2011-05-25 | 南京贝奇尔机械有限公司 | Memory type visible safety valve failure display |
CN103591349A (en) * | 2013-10-24 | 2014-02-19 | 赵士民 | High-flow intelligent warning type safety valve |
CN204784906U (en) * | 2015-05-29 | 2015-11-18 | 中国石油天然气股份有限公司 | Adjustable visual alarm type relief valve |
Also Published As
Publication number | Publication date |
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CN104913091A (en) | 2015-09-16 |
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