CN204784906U - Adjustable visual alarm type relief valve - Google Patents

Adjustable visual alarm type relief valve Download PDF

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Publication number
CN204784906U
CN204784906U CN201520360238.5U CN201520360238U CN204784906U CN 204784906 U CN204784906 U CN 204784906U CN 201520360238 U CN201520360238 U CN 201520360238U CN 204784906 U CN204784906 U CN 204784906U
Authority
CN
China
Prior art keywords
valve body
visual alarm
warning device
safety valve
import
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
Application number
CN201520360238.5U
Other languages
Chinese (zh)
Inventor
张涛
杨海恩
黎晓茸
贾玉琴
张�荣
郑力军
徐春梅
马国伟
薛芳芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Natural Gas Co Ltd
Original Assignee
China Petroleum and Natural Gas Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Petroleum and Natural Gas Co Ltd filed Critical China Petroleum and Natural Gas Co Ltd
Priority to CN201520360238.5U priority Critical patent/CN204784906U/en
Application granted granted Critical
Publication of CN204784906U publication Critical patent/CN204784906U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Safety Valves (AREA)

Abstract

The utility model provides an adjustable visual alarm type relief valve, including the valve body, the valve body lower extreme is equipped with the threaded import, is equipped with the threaded export on the valve body lower extreme lateral wall, and the gland is adjusted in the connection of valve body upper end, and the regulating press is covered and is equipped with the scale mark, is equipped with the graduated scale on the valve body, and the inside case that is equipped with of valve body lower extreme is equipped with the sealing washer between and the import, adjusts and being equipped with compression spring and centibar between gland and the case, and the regulating press is covered to hold and is provided with the attention device, and the switch and the centibar of attention device are connected, are provided with negative pressure generator in the export. The utility model discloses a simple structure, but adjust pressure and have audible alarm and vision alarming function are applicable to liquid pressure release and operating mode complicated and changeable, and application scope is wide, simultaneously, adopt negative pressure formula sound production ware, be applicable to the liquid ring border, and can do not cause liquid to leak, in addition, the regulation scale of this relief valve and the graduated scale directly is located the valve body and the regulating press is covered has reduced unneccessary part.

Description

A kind of adjustable visual alarm formula safety valve
Technical field
The utility model relates to a kind of safety valve, is specifically related to a kind of adjustable visual alarm formula safety valve, is applied to pressure adjustable that the middle-size and small-size pressurized container of the production processes such as oil field, equipment with pressure and facility use from reporting to the police pressure relief valve.
Background technique
General pressurized container and equipment with pressure, cause danger in order to ensure abnormal conditions downforce too high being unlikely to, according to equipment and facility pressure requirements mounting safety valve, release can be carried out when pressure exceedes setting pressure, effective guarantee equipment, facility run under safety pressure, are unlikely to cause danger.
At present, Generally Recognized as safe valve opening pressure is all constant, pre-designed, needs the safety valve selecting corresponding cracking pressure according to required pressure, complicated for some operating modes, do not possess standardization and standardization, and the situation that operating mode can change is not too applicable.
Chinese patent CN201322121Y discloses a kind of adjustable pressure relief valve, comprise body, threaded connection mouth is had below body, dial is provided with above body, have the adjusting knob that be threaded, there is bleed passage centre suitable for reading with body above dial, described body end opening is provided with the lower support of band sealing gasket, is provided with the upper supporting of band through hole below adjusting knob, being provided with Compress Spring between upper and lower supporting, having in adjusting knob bleed passage upper end from ringing sheet.The several functions of this patent portfolios Stress control and pressure measurement, safety valve, warning, intuitively meets the requirement that user controls system pressure accurately; But this patent is only applicable to pressurized air, and its generating means is only applicable to gas discharging from ring sheet, and liquid then cannot sounding there is leakage.
In addition, without any display after existing safety valve unlatching, do not know to occur that excess pressure is abnormal, getting rid of to like this potential safety hazard in time makes troubles.
Therefore, need to improve existing safety valve structure, adjustable to realize pressure range, improve the applicability of safety valve.
Model utility content
The purpose of this utility model overcomes existing safety valve not to be suitable for the situation that operating mode changes, and without any display after opening, get rid of the problem of making troubles to potential safety hazard in time.
For this reason, the utility model provides a kind of adjustable visual alarm formula safety valve, comprise valve body, described valve body lower end is provided with threaded import, valve body lower end sidewall is provided with threaded outlet, valve body upper end connects adjustment gland, described adjustment gland is provided with graduation line, described valve body is provided with graduated scale, described valve body lower end inside is provided with spool, seal ring is provided with between spool and import, Compress Spring and center-pole is provided with between described adjustment gland and spool, described adjustment gland upper end is provided with warning device, the switch of warning device is connected with center-pole, described outlet is provided with negative pressure generator.
Warning spring is provided with between above-mentioned warning device and center-pole.
Above-mentioned warning device is fluorescence warning device.
The inlet being fixed on valve body inlayed by above-mentioned seal ring.
Above-mentioned valve body is stainless steel.
The beneficial effects of the utility model:
(1) this adjustable visual alarm formula safety valve that the utility model provides is applicable to liquid pressure release, overcomes existing safety valve only for compressed-air actuated defect, applied widely.
(2) this adjustable visual alarm formula safety valve that the utility model provides adopts negative pressure type sounder, is applicable to liquid environment, and can not causes leak of liquid.
(3) the adjustment scale of this adjustable visual alarm formula safety valve that provides of the utility model and graduated scale are located immediately at valve body and regulate on gland, decrease unnecessary parts.
(4) this adjustable visual alarm formula safety valve that the utility model provides can show it and once open after unlatching, is easy to postmortem and finds, can get rid of potential safety hazard in time.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model adjustable visual alarm formula safety valve.
Description of reference numerals: 1, regulate gland; 2, export; 3, Compress Spring; 4, valve body; 5, spool; 6, seal ring; 7, import; 8, negative pressure generator; 9, graduation line; 10, graduated scale; 11, warning device; 12, spring is warned; 13, center-pole.
Embodiment
Embodiment 1:
The situation that operating mode changes is not suitable in order to overcome existing safety valve, and without any display after opening, the problem of making troubles is got rid of in time to potential safety hazard, present embodiments provide a kind of adjustable visual alarm formula safety valve as shown in Figure 1, comprise valve body 4, described valve body 4 lower end is provided with threaded import 7, valve body 4 lower end sidewall is provided with threaded outlet 2, valve body 4 upper end connects adjustment gland 1, described adjustment gland 1 is provided with graduation line 9, described valve body 4 is provided with graduated scale 10, inside, described valve body 4 lower end is provided with spool 5, seal ring 6 is provided with between spool 5 and import 7, Compress Spring 3 and center-pole 13 is provided with between described adjustment gland 1 and spool 5, described adjustment gland 1 upper end is provided with warning device 11, the switch of warning device 11 is connected with center-pole 13, described outlet 2 is provided with negative pressure generator 8.
As shown in Figure 1, import 7 and outlet 2 are all screwed connection mouth, import 7 is connected with pressurized container or installations and facilities outlet end with pressure, outlet 2 is connected with release manifold end, rotate according to the requirement safety pressure of institute's erection unit and regulate gland 1, make its high scale line 9 corresponding with respective value on lower end graduated scale 10, namely complete the setting of safety valve safety pressure value.
During work, original state lower valve core 5 and seal ring 6 close contact, guarantee that system is in sealing state, when system pressure is higher than setup pressure value, spool 5 moves, extruding Compress Spring 3, spool 5 separates with seal ring 6, produce gap, liquid gets rid of release via gap by outlet 2, now, because discharge opeing causes outlet 2 to occur negative pressure, trigger negative pressure sounder 8 sounding, report to the police; Meanwhile, on spool 5, shipper pole moves on center-pole 13 and moves, and backs down warning device 11.
When system pressure returns to after below safety valve setting force value, spool 5 again makes whole system return to air-tight state with seal ring 6 close contact under the thrust of Compress Spring 3.
Finding that when patrolling warning device 11 is opened, checking and after getting rid of hidden trouble of equipment, center-pole 13 being pressed to concordant with regulating plane on gland 1, warning device 11 is resetted.
This adjustable visual alarm formula safety valve that the utility model provides is applicable to liquid pressure release, overcomes existing safety valve only for compressed-air actuated defect, applied widely; Meanwhile, adopt negative pressure type sounder, be applicable to liquid environment, and can not leak of liquid be caused; In addition, the adjustment scale of this safety valve and graduated scale are located immediately at valve body and regulate on gland, decrease unnecessary parts.
Embodiment 2:
Present embodiments provide a kind of adjustable visual alarm formula safety valve, comprise valve body 4, described valve body 4 lower end is provided with threaded import 7, valve body 4 lower end sidewall is provided with threaded outlet 2, valve body 4 upper end connects adjustment gland 1, described adjustment gland 1 is provided with graduation line 9, described valve body 4 is provided with graduated scale 10, inside, described valve body 4 lower end is provided with spool 5, seal ring 6 is provided with between spool 5 and import 7, Compress Spring 3 and center-pole 13 is provided with between described adjustment gland 1 and spool 5, described adjustment gland 1 upper end is provided with warning device 11, the switch of warning device 11 is connected with center-pole 13, described outlet 2 is provided with negative pressure generator 8, be provided with between described warning device 11 and center-pole 13 and warn spring 12, warning device 11 leaves and regulates gland 1 to be in adjustment gland 1 upper end under the stretching, extension of warning spring 12, represent that safety valve had opening state, be convenient to observe, to check and after getting rid of hidden trouble of equipment, center-pole 13 is pressed to concordant with regulating plane on gland 1, again warning device 11 and warning spring 12 are pressed down together, it is made to reset.
Described warning device 11 is fluorescence warning device, also can know the state of noting abnormalities, can get rid of potential safety hazard in time at night.
This adjustable visual alarm formula safety valve that this model utility provides can show it and once open after unlatching, is easy to postmortem and finds, can get rid of potential safety hazard in time.
And avoiding liquid that seal ring 6 is with race to make liquid get rid of release through spool 5 and the gap of seal ring 6 by outlet 2, import 7 place being fixed on valve body 4 inlayed by described seal ring 6.
In addition, in order to prevent liquid corrosion, affect the working life of safety valve, and make this safety valve have some strength, described valve body 4 is stainless steel.
In sum, this adjustable visual alarm formula safety valve structure that the utility model provides is simple, and be applicable to operating mode complicated and changeable, adjustable pressure also has sound alarm and visual alarm function, is easy to safeguard.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.

Claims (5)

1. an adjustable visual alarm formula safety valve, comprise valve body (4), it is characterized in that: described valve body (4) lower end is provided with threaded import (7), valve body (4) lower end sidewall is provided with threaded outlet (2), valve body (4) upper end connects adjustment gland (1), described adjustment gland (1) is provided with graduation line (9), described valve body (4) is provided with graduated scale (10), described valve body (4) inside, lower end is provided with spool (5), seal ring (6) is provided with between spool (5) and import (7), Compress Spring (3) and center-pole (13) is provided with between described adjustment gland (1) and spool (5), described adjustment gland (1) upper end is provided with warning device (11), the switch of warning device (11) is connected with center-pole (13), described outlet (2) is provided with negative pressure generator (8).
2. adjustable visual alarm formula safety valve as claimed in claim 1, is characterized in that: be provided with between described warning device (11) and center-pole (13) and warn spring (12).
3. adjustable visual alarm formula safety valve as claimed in claim 1, is characterized in that: described warning device (11) is fluorescence warning device.
4. adjustable visual alarm formula safety valve as claimed in claim 1, is characterized in that: import (7) place being fixed on valve body (4) inlayed by described seal ring (6).
5. adjustable visual alarm formula safety valve as claimed in claim 1, is characterized in that: described valve body (4) is stainless steel.
CN201520360238.5U 2015-05-29 2015-05-29 Adjustable visual alarm type relief valve Expired - Fee Related CN204784906U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520360238.5U CN204784906U (en) 2015-05-29 2015-05-29 Adjustable visual alarm type relief valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520360238.5U CN204784906U (en) 2015-05-29 2015-05-29 Adjustable visual alarm type relief valve

Publications (1)

Publication Number Publication Date
CN204784906U true CN204784906U (en) 2015-11-18

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ID=54524955

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520360238.5U Expired - Fee Related CN204784906U (en) 2015-05-29 2015-05-29 Adjustable visual alarm type relief valve

Country Status (1)

Country Link
CN (1) CN204784906U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104913091A (en) * 2015-05-29 2015-09-16 中国石油天然气股份有限公司 Adjustable visible alarm type safety valve
CN107339475A (en) * 2016-12-08 2017-11-10 安徽江淮汽车集团股份有限公司 Safety air vavle
CN110556264A (en) * 2019-08-30 2019-12-10 河南华盛隆源电气有限公司 Circuit breaker with pressure release function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104913091A (en) * 2015-05-29 2015-09-16 中国石油天然气股份有限公司 Adjustable visible alarm type safety valve
CN104913091B (en) * 2015-05-29 2017-09-01 中国石油天然气股份有限公司 A kind of adjustable visual alarm formula safety valve
CN107339475A (en) * 2016-12-08 2017-11-10 安徽江淮汽车集团股份有限公司 Safety air vavle
CN110556264A (en) * 2019-08-30 2019-12-10 河南华盛隆源电气有限公司 Circuit breaker with pressure release function

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151118