CN106439126B - A kind of spring decompression overflow valve - Google Patents
A kind of spring decompression overflow valve Download PDFInfo
- Publication number
- CN106439126B CN106439126B CN201610970512.XA CN201610970512A CN106439126B CN 106439126 B CN106439126 B CN 106439126B CN 201610970512 A CN201610970512 A CN 201610970512A CN 106439126 B CN106439126 B CN 106439126B
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- lead screw
- valve
- spring
- hole
- valve seat
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a kind of springs to depressurize overflow valve, including lead screw, it is equipped at the top of lead screw and sets female cylinder, blast fence bottom is equipped with air-flow valve seat, airflow hole is equipped on the right side of air-flow valve seat, water flow hole lower part is equipped with relief valve seat, the airbag sealing unit mounted in lead screw bottom is equipped in cylindrical spool, airbag sealing unit lower part is equipped with overflow through-hole, it is coated with the first pressure spring that one end is fixed on valve casing hole lower part in the middle part of lead screw, the second pressure spring being coated on L-shaped bar is equipped on the outside of first pressure spring, the configuration of the present invention is simple is compact, it is easy to operate, spring surface zinc-plated processing, with beauty, antirust function, the airbag sealing unit of setting makes it have good leakproofness, air pressure is convenient for adjusting, the discharge that can stablize in time, it is highly practical, it is at low cost.
Description
Technical field
The present invention relates to a kind of safety device, specifically a kind of spring depressurizes overflow valve.
Background technology
Safety valve is that opening and closing element is in normally off under by outer force effect, is surpassed when the pressure medium in equipment or pipeline increases
When crossing specified value, by outside system discharge medium come to prevent pressure medium in pipeline or equipment be more than the particular usage valve of specified value
Door.Safety valve belongs to automatic valve class, is mainly used for boiler, on pressure vessels and pipes, and control pressure is no more than specified value, to people
Body safety and equipment have run important protective effect.Note safety valve, which has to pass through pressure testing, to be used.
Application No. is 201520352962.3 Chinese patents to disclose a kind of oil equipment safety valve, it includes safety valve
Shell, sealing surface of safety valve, spring pulse safety valve, pulse tube, safety valve enclosure interior are equipped with safety valve valve casing, safety valve valve
It is equipped with safe valve core above shell, sealing surface of safety valve is equipped with above safe valve core, engagement is equipped with above sealing surface of safety valve
Face fastening bolt, joint surface fastening bolt top are equipped with tooth form gasket, spring pulse safety valve are equipped with above tooth form gasket,
It is equipped with momentum safety valve above spring pulse safety valve, gas collection header is equipped with below momentum safety valve, is equipped with below gas collection header
Pulse tube is equipped with guide sleeve below pulse tube, and emergency valve piston room is equipped with below guide sleeve, is equipped with and lets out above emergency valve piston room
Oil leak storage tank, Leakage Energy storage tank top are equipped with safety door.
The patent is disadvantageous in that：It is equipped with spring pulse safety valve, pulse type safety valve above the tooth form gasket
Use so that equipment increases, while increasing the trepanning on high-pressure bottle, integrally bring inconvenience to oil equipment safety valve；
The oil equipment safety valve is not provided with the air pressure that device carrys out regulation safety valve, and practicability is weak, is unfavorable for large-scale popularization；The oil
Pulse flow in the spring pulse safety valve induction oil equipment that equipment safety valve is equipped with, the safety valve incude in oil equipment
Portion's oil momentum, therefore, the oil equipment safety valve can be contacted with oil, and Oil Safety valve is under the outer force effect of opening and closing element hand
In normally off, oil has corrosive substance containing various, is easy to corrode safety valve, should be in the Oil Safety valve table
Face carries out zinc-plated processing to extend its service life.
Invention content
The purpose of the present invention is to provide a kind of springs to depressurize overflow valve, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the present invention provides the following technical solutions：
A kind of spring decompression overflow valve, including lead screw, lead screw top, which is equipped with, sets female cylinder, cylinder lower part
Nut is housed, nut lower part is equipped with nut collar, and nut collar lower part is equipped with valve casing, is equipped in the middle part of valve casing and lead screw is housed on lead screw
Valve casing hole, gas vent is equipped on the right side of valve casing, airflow chamber is connected on the left of gas vent, airflow chamber lower part is equipped with and is fixed on cylindrical spool
On blast fence, blast fence top is equipped with L-shaped bar, and blast fence bottom is equipped with air-flow valve seat, is equipped on the right side of air-flow valve seat
Airflow hole, airflow hole lower part are equipped with water stream channel, and water flow hole lower part is equipped with relief valve seat, in the middle part of air-flow valve seat and in relief valve seat
Portion is equipped with the valve opening equipped with cylindrical spool, and cylindrical spool top is equipped with internal thread, and lead screw lower part is equipped with cylindrical spool, barrel valve
In-core is equipped with the airbag sealing unit mounted in lead screw bottom, and airbag sealing unit lower part is equipped with overflow through-hole, cylindrical spool lower part
Equipped with T-shaped plate, valve casing lower part is equipped with reseting cavity, and reseting cavity top is equipped with water stream channel, and being coated with one end in the middle part of lead screw is fixed on
First pressure spring of valve casing hole lower part, the first pressure spring outside are equipped with the second pressure spring being coated on L-shaped bar.
As a further solution of the present invention：The cylinder top is equipped with rotating disc.
As a further solution of the present invention：The rotating disc is equipped with rotating horizontal pole.
As a further solution of the present invention：The airbag sealing unit includes upper air bag, seal washer and lower gasbag, on
Air bag lower part is equipped with seal washer, and seal washer lower part is equipped with lower gasbag.
As a further solution of the present invention：The T-shaped plate bottom is equipped with one end and is fixed on the reset resetted on cavity wall
Spring.
Compared with prior art, the beneficial effects of the invention are as follows：The configuration of the present invention is simple is compact, easy to operate, spring table
There is face zinc-plated processing beautiful, antirust function, the airbag sealing unit of setting to make it have good leakproofness, and air pressure is convenient for
It adjusts, the discharge that can stablize in time is highly practical, at low cost.
Description of the drawings
Fig. 1 is the structural schematic diagram that a kind of spring depressurizes overflow-valve device.
Fig. 2 is the lead screw and cylindrical spool attachment structure schematic diagram that a kind of spring depressurizes overflow-valve device.
Fig. 3 is the rotating disc structural schematic diagram that a kind of spring depressurizes overflow-valve device.
In figure：1- lead screws, 2- cylinders, 3- rotating discs, 4- rotating horizontal poles, 5- nuts, 6- nut collars, 7- valve casings, 8- rows
Stomata, 9- airflow chamber, 10- blast fences, 11-L shapes bar, 12- air-flows valve seat, 13- airflow holes 1,14- water stream channels, 15- overflows
Valve seat, 16- cylindrical spools, the upper air bags of 17-, 18- seal washers, 19- lower gasbags, 20- overflows through-hole, 21-T shapes plate, 22- reset
Chamber, 23- resetting springs, the first pressure springs of 24-, the second pressure springs of 25-.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the embodiment of the present invention, a kind of spring decompression overflow valve, including lead screw 1,1 top of lead screw are equipped with
If female cylinder 2,2 top of cylinder is equipped with rotating disc 3, and rotating disc 3 is equipped with rotating horizontal pole 4, the lead screw of 2 lower part of cylinder
Upper that nut 5 is housed, 5 lower part of nut is equipped with nut collar 6, and 6 lower part of nut collar is equipped with valve casing 7, and 7 middle part of valve casing, which is equipped with, is equipped with silk
The valve casing hole of bar 1,7 right side of valve casing are equipped with gas vent 8, and 8 left side of gas vent is connected to airflow chamber 9, and 9 lower part of airflow chamber is equipped with and is fixed on
Blast fence 10 on cylindrical spool 16,10 are equipped with L-shaped bar 11 on blast fence, and 10 bottom of blast fence is equipped with air-flow valve seat
12,12 right side of air-flow valve seat is equipped with airflow hole 13, and 13 lower part of airflow hole is equipped with water stream channel 14, and 13 lower part of airflow hole is equipped with overflow
Valve seat 15, the middle part of air-flow valve seat 12 and 20 middle part of relief valve seat are equipped with the valve opening equipped with cylindrical spool 16, on cylindrical spool 16
Portion is equipped with internal thread, and 1 lower part of lead screw is equipped with cylindrical spool 16, the air sac sealing mounted in 1 bottom of lead screw is equipped in cylindrical spool 16
Device, airbag sealing unit include upper air bag 17, seal washer 18 and lower gasbag 19, and 17 lower part of upper air bag is equipped with seal washer
18,18 lower part of seal washer is equipped with lower gasbag 19, and airbag sealing unit lower part is equipped with overflow through-hole 20, and 16 lower part of cylindrical spool is set
There are T-shaped plate 21,21 bottom of T-shaped plate to be fixed on the resetting spring 23 on 22 inner wall of reseting cavity equipped with one end, 7 lower part of valve casing is equipped with multiple
Position chamber 22,22 top of reseting cavity are equipped with water stream channel 14, and 1 middle part of lead screw is coated with the first tune that one end is fixed on valve casing hole lower part
Pressing spring 24,24 outside of the first pressure spring are equipped with the second pressure spring 25 being coated on L-shaped bar 11.
Structure of the invention is novel, stable, in the use of the present invention, being let out when water level rises to a certain highly desirable decompression
When stream, the rotating disc 3 on 2 top of rotating cylinder, lead screw 1 rises and rotates, by the cylindrical spool for being threadably mounted at 1 lower part of lead screw
16 as lead screw rises and rotates, and the flow of left side water stream channel 14 flows out to the right side from the overflow through-hole 20 of 16 lower part of cylindrical spool
The water stream channel 14 of side, then flowed out from the water stream channel 14 on right side to achieve the purpose that aerial drainage, the flow on right side is flowed to flow
The gas in channel 14 enters airflow chamber 9 from the airflow hole 13 on 12 right side of air-flow valve seat, then right from the valve casing 7 connected with airflow chamber 9
The gas vent 8 of side is discharged to achieve the purpose that decompression, when rotating turntable 3, if the height of the rising of lead screw 1 is more, and the first pressure regulation
Spring 24 and the second pressure spring 25 can be compressed, and resetting spring 23 is stretched, and has downward drawing to cylindrical spool 16 and lead screw 1
Power, and zinc-plated processing has been done on the first pressure spring 24, the second pressure spring 25 and 23 surface of resetting spring so that rotation turntable
It is excessive to be unlikely to rotation when 3, can be flowed out from overflow through-hole 20 with the flow ensured in water stream channel 14, extend service life,
The configuration of the present invention is simple is compact, easy to operate, spring surface zinc-plated processing, has beautiful, antirust function, the air sac sealing of setting
Device makes it have good leakproofness, and convenient for adjusting, the discharge that can stablize in time is highly practical, at low cost for air pressure.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (2)
1. a kind of spring depressurizes overflow valve, including lead screw, which is characterized in that it is equipped at the top of lead screw and sets female cylinder,
Nut is housed, nut lower part is equipped with nut collar, and nut collar lower part is equipped with valve casing, is set in the middle part of valve casing on the lead screw of cylinder lower part
There is the valve casing hole equipped with lead screw, gas vent is equipped on the right side of valve casing, airflow chamber is connected on the left of gas vent, airflow chamber lower part, which is equipped with, to be fixed
Blast fence on cylindrical spool, blast fence top are equipped with L-shaped bar, and blast fence bottom is equipped with air-flow valve seat, draught damper
Seat right side is equipped with airflow hole, and airflow hole lower part is equipped with water stream channel, and water flow hole lower part is equipped with relief valve seat, in the middle part of air-flow valve seat and
The valve opening equipped with cylindrical spool is equipped in the middle part of relief valve seat, cylindrical spool top is equipped with internal thread, and lead screw lower part is equipped with cylinder
Spool, the interior airbag sealing unit being equipped with mounted in lead screw bottom of cylindrical spool, airbag sealing unit lower part is equipped with overflow through-hole, circle
Column valve core lower part is equipped with T-shaped plate, and valve casing lower part is equipped with reseting cavity, and reseting cavity top is equipped with water stream channel, is coated in the middle part of lead screw
One end is fixed on the first pressure spring of valve casing hole lower part, and second be coated on L-shaped bar is equipped on the outside of the first pressure spring and is adjusted
Pressing spring, the cylinder top are equipped with rotating disc, and the T-shaped plate bottom is equipped with one end and is fixed on the reset bullet resetted on cavity wall
Spring, the airbag sealing unit include upper air bag, seal washer and lower gasbag, and upper air bag lower part is equipped with seal washer, gasket
It encloses lower part and is equipped with lower gasbag.
2. a kind of spring according to claim 1 depressurizes overflow-valve device, which is characterized in that the rotating disc is equipped with
Rotating horizontal pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970512.XA CN106439126B (en) | 2016-11-03 | 2016-11-03 | A kind of spring decompression overflow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970512.XA CN106439126B (en) | 2016-11-03 | 2016-11-03 | A kind of spring decompression overflow valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106439126A CN106439126A (en) | 2017-02-22 |
| CN106439126B true CN106439126B (en) | 2018-10-02 |
Family
ID=58180867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610970512.XA Active CN106439126B (en) | 2016-11-03 | 2016-11-03 | A kind of spring decompression overflow valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN106439126B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052095U (en) * | 1989-06-14 | 1990-01-31 | 上海东风机器厂 | Pressure-reducing valve with big overflow |
| DE19837012C2 (en) * | 1998-08-14 | 2002-04-04 | Honeywell Ag | Armature for the connection of a heat exchanger |
| CN104048064A (en) * | 2014-05-30 | 2014-09-17 | 许来根 | Direct-acting reducing valve |
| CN204164455U (en) * | 2014-10-13 | 2015-02-18 | 杭州科技职业技术学院 | A kind of needle valve reduction valve |
| CN105135049A (en) * | 2015-08-17 | 2015-12-09 | 镇江康大机电制造有限公司 | Soft-seal valve element of valve |
| CN204985885U (en) * | 2015-08-28 | 2016-01-20 | 濮阳市鼎泰化工有限公司 | Filtering and pressure reducing valve |
-
2016
- 2016-11-03 CN CN201610970512.XA patent/CN106439126B/en active Active
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| Publication number | Publication date |
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| CN106439126A (en) | 2017-02-22 |
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| C10 | Entry into substantive examination | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180823 Address after: 325006 Wenzhou, Zhejiang Ouhai District, Guo Xi Street, Guo Xi industrial zone, the West Road, No. 39, prosperous West Road. Applicant after: Wenzhou Jetta Petrochemical Instrument Co., Ltd. Address before: 450000 West 1-5 West, No. 5, Ruida Road, Zhengzhou high tech Industrial Development Zone, Henan, China, 1-5 Applicant before: ZHENGZHOU ZHENGXIAN PHARMACEUTICAL TECHNOLOGY CO., LTD. |
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