CN106438542A - Pressure release valve - Google Patents
Pressure release valve Download PDFInfo
- Publication number
- CN106438542A CN106438542A CN201610884723.1A CN201610884723A CN106438542A CN 106438542 A CN106438542 A CN 106438542A CN 201610884723 A CN201610884723 A CN 201610884723A CN 106438542 A CN106438542 A CN 106438542A
- Authority
- CN
- China
- Prior art keywords
- pressure release
- valve
- guide post
- fuel feeding
- seal
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/024—Pressure relief valves
-
- 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
Abstract
The invention proposes a pressure release valve. Two ends of a valve body are respectively a valve bottom and a valve head; a valve cavity is in the valve body; a pressure release baffle plate is arranged in the valve cavity for dividing the valve cavity into a pressure release cavity and a working cavity; the pressure release baffle plate is provided with a pressure release sealing groove; a first guide rod is arranged in the pressure release cavity, and is coated with a pressure release core; the pressure release core includes a pressure release guide block, a pressure release sealing piece and a second guide rod; the first guide rod is coated with a pressure release spring; the second guide rod is coated with an oil supply core; the oil supply core includes an oil supply guide block and an oil supply sealing piece; the second guide rod is coated with an oil supply spring; an inlet is formed in the valve head, and is provided with an oil supply sealing groove; a limiting convex head is arranged in the working cavity; an oil supply port is formed in the valve body between the limiting convex head and the pressure release baffle plate; and a pressure release port is formed in the valve body near the valve bottom. The pressure release valve is simple in design, compact in structure, small in size, simple in process and low in cost, can guarantee the oil outlet quantity stability of the oil supply port, and can prevent reverse flowing of oil discharged by pressure release.
Description
Technical field
The present invention relates to technical field of hydraulic pressure, specifically a kind of relief valve.
Background technology
Relief valve also known as safety valve (safety valve), according to the operating pressure energy automatic open close of system, general installation
Protection system safety on the equipment or pipeline of closed system.When equipment or manifold pressure exceed relief valve setting pressure,
Automatically turn on pressure release it is ensured that equipment and pipeline internal medium pressure are setting under pressure, protection equipment and pipeline, prevent
Unexpected.
Relief valve is an important safety block in hydraulic system, and the effect of relief valve is to ensure that oil pump capacity exists
It is held at a more stable amount, thus ensureing the normal operation of whole system under any pressure.Propose new, more effectively make
The structure of relief valve, is the continuous pursuit of this area.
Pressure-relief valve structure of the prior art is complex, and technique is loaded down with trivial details, high cost.
Content of the invention
The present invention proposes a kind of relief valve, solves that pressure-relief valve structure of the prior art is complex, and technique is loaded down with trivial details, becomes
This high problem.
The technical scheme is that and be achieved in that：
A kind of relief valve, including valve body, it is valve pocket that the two ends of described valve body are respectively in valve bottom and valve head, described valve body；
The middle part of described valve pocket is provided with pressure release baffle plate, and described valve pocket is divided into pressure-releasing chamber and work by described pressure release baffle plate
Chamber；
The middle part of described pressure release baffle plate is provided with through hole, and to be provided with pressure release close towards the side of described pressure-releasing chamber for described pressure release baffle plate
Sealing groove, described pressure release seal groove was around described through hole one week；
It is provided with the first guide post, one end of described first guide post is fixed on described valve bottom in described pressure-releasing chamber；
Pressure release core is arranged with described first guide post, described pressure release core includes pressure release guide pad, the pressure release being sequentially connected
Seal and the second guide post；Described pressure release seal is used cooperatively with described pressure release seal groove；Cover on described first guide post
It is provided with pressure release spring, described pressure release spring is located between described valve bottom and pressure release guide pad；
It is arranged with described second guide post and supplies wick, described confession wick includes the fuel feeding guide pad being sequentially connected and circular cone
The confession oil seal of shape；Fuel feeding spring is arranged with described second guide post, described fuel feeding spring is located at described pressure release seal
And described fuel feeding guide pad between；
Described valve head is provided with entrance, and described entrance is provided with the fuel feeding seal groove using cooperatively with described confession oil seal；
It is provided with the displacement to described confession wick in described working chamber and carry out spacing spacing plush copper；
Oil-feed port is offered, described oil-feed port and described work on valve body between described spacing plush copper and described pressure release baffle plate
Make chamber connection；
Offer pressure relief opening on the valve body at described valve bottom, described pressure relief opening is connected with described pressure-releasing chamber.
Further, it is provided with the first adjusting nut, described first adjusting nut between described pressure release spring and described valve bottom
It is screwed on described first guide post.
Further, it is provided with the second adjusting nut, described second tune between described fuel feeding spring and described pressure release seal
Section nut is screwed on described second guide post.
Further, described pressure release seal groove is the groove of triangle for section；Described pressure release seal includes a disk,
Described disk is provided with the sealing bulge loop that the section mated with described pressure release seal groove is triangle.
Further, it is provided with the first sealing material layer in described pressure release seal groove.
Further, described fuel feeding seal groove is the round platform connected in star mating with described confession oil seal.
Further, it is provided with the second sealing material layer in described fuel feeding seal groove.
Beneficial effects of the present invention are：
Present invention design is simple, compact conformation, small volume, and process is simple is with low cost；When oil pressure is not reaching to critical value
When, only fuel feeding spring stress compression, fuel feeding can be carried out by oil-feed port, when oil pressure exceedes critical value, pressure release spring is also subject to
Force compresses, then excessive oil can discharge it is ensured that the stability of oil-feed port oil pump capacity from pressure relief opening；In non-draining, pressure release seals
Part is closely pressed with pressure release seal groove, it is to avoid the oil refluence that pressure release is released.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of one embodiment of the invention.
Wherein：
1st, valve body；2nd, valve bottom；3rd, valve head；4th, pressure release baffle plate；5th, pressure-releasing chamber；6th, working chamber；7th, pressure release seal groove；8th, first
Guide post；9th, pressure release guide pad；10th, pressure release seal；11st, the second guide post；12nd, seal bulge loop；13rd, the first encapsulant
Layer；14th, pressure release spring；15th, the first adjusting nut；16th, fuel feeding guide pad；17th, supply oil seal；18th, fuel feeding spring；19th,
Two adjusting nuts；20th, entrance；21st, fuel feeding seal groove；22nd, the second sealing material layer；23rd, spacing plush copper；24th, oil-feed port；25、
Pressure relief opening.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
As shown in figure 1, the relief valve in the present embodiment, including valve body 1, the two ends of described valve body 1 are respectively valve bottom 2 and valve
3, it is valve pocket in described valve body 1, valve body 1 and valve pocket be all cylinder.The middle part of described valve pocket is provided with pressure release baffle plate 4, pressure release
Baffle plate 4 is circle, and the excircle of pressure release baffle plate 4 is fitted with the inwall of valve body 1, and described valve pocket is divided into by described pressure release baffle plate 4
Pressure-releasing chamber 5 and working chamber 6.The middle part of described pressure release baffle plate 4 is provided with through hole, and described pressure release baffle plate 4 is towards the one of described pressure-releasing chamber 5
Side is provided with pressure release seal groove 7, and described pressure release seal groove 7 was around described through hole one week.
It is provided with the first guide post 8, one end of described first guide post 8 is fixed on described valve bottom 2 in described pressure-releasing chamber 5,
First guide post 8 is located on the axle center of pressure-releasing chamber 5.Pressure release core is arranged with described first guide post 8, described pressure release core include according to
The pressure release guide pad 9 of secondary connection, pressure release seal 10 and the second guide post 11；Described pressure release seal 10 and described pressure release sealing
Groove 7 uses cooperatively, and in the present embodiment, described pressure release seal groove 7 is the groove of triangle for section；Described pressure release seal 10 wraps
Include a disk, described disk is provided with the sealing bulge loop 12 that the section mated with described pressure release seal groove 7 is triangle, described lets out
It is provided with the first sealing material layer 13, to improve sealing in densification sealing groove 7；It is arranged with pressure release spring on described first guide post 8
14, described pressure release spring 14 is located between described valve bottom 2 and pressure release guide pad 9.In the present embodiment, described pressure release spring 14 and institute
State and between valve bottom 2, be provided with the first adjusting nut 15, described first adjusting nut 15 is screwed on described first guide post 8.Can lead to
Overregulate the position of the first adjusting nut 15 pressure to adjust pressure release spring 14.
Second guide post 11 is located on the axle center of described valve pocket, described second guide post 11 is arranged with and supplies wick, described
Include the confession oil seal 17 of the fuel feeding guide pad 16 and cone being sequentially connected for wick；Sheathed on described second guide post 11
There is fuel feeding spring 18, described fuel feeding spring 18 is located between described pressure release seal 10 and described fuel feeding guide pad 16.This enforcement
In example, between described fuel feeding spring 18 and described pressure release seal 10, it is provided with the second adjusting nut 19, described second adjusting nut
19 are screwed on described second guide post 11.The pressure of fuel feeding spring 18 can be adjusted by adjusting the position of the second adjusting nut 19
Power.
Described valve head 3 is provided with entrance 20, and described entrance 20 is provided with the fuel feeding using cooperatively with described confession oil seal 17
Seal groove 21.In the present embodiment, described fuel feeding seal groove 21 is the round platform connected in star mating with described confession oil seal 17, described
It is provided with the second sealing material layer 22, to ensure sealing in fuel feeding seal groove 21.
It is provided with the displacement to described confession wick in described working chamber 6 and carry out spacing spacing plush copper 23.In the present embodiment, limit
The quantity of position plush copper 23 is two, is relatively arranged on the inwall of valve pocket, and the gap between two spacing plush coppers 23 can allow to supply
Oily guide pad 16 passes through, but can stop for oil seal 17, to realize position-limiting action, will not stop passing through of oil again.
Oil-feed port 24, described oil-feed port 24 are offered on the valve body 1 between described spacing plush copper 23 and described pressure release baffle plate 4
Connect with described working chamber 6.Pressure relief opening 25, described pressure relief opening 25 and described pressure release are offered on the valve body 1 at described valve bottom 2
Chamber 5 connects.
During the present embodiment work, oil enters from entrance 20, and in the presence of oil pressure, fuel feeding spring 18 is compressed, after wick
Move, oil enters working chamber 6 from entrance 20, then carry out fuel feeding from oil-feed port 24 outflow；When the oil pressure entering from entrance 20 is excessive,
Pressure release spring 14 is compressed, and moves after pressure release core, then excessive oil enters pressure-releasing chamber 5, then discharges from pressure relief opening 25, to ensure fuel feeding
The stablizing of mouthful 24 fuel deliveries.In non-draining, pressure release seal 10 is closely pressed with pressure release seal groove 7, it is to avoid pressure release is released
Oil flows backwards.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (7)
1. it is characterised in that including valve body, the two ends of described valve body are respectively valve bottom and valve head, described valve body to a kind of relief valve
Interior for valve pocket；
The middle part of described valve pocket is provided with pressure release baffle plate, and described valve pocket is divided into pressure-releasing chamber and working chamber by described pressure release baffle plate；
The middle part of described pressure release baffle plate is provided with through hole, and described pressure release baffle plate is provided with pressure release sealing towards the side of described pressure-releasing chamber
Groove, described pressure release seal groove was around described through hole one week；
It is provided with the first guide post, one end of described first guide post is fixed on described valve bottom in described pressure-releasing chamber；
Pressure release core is arranged with described first guide post, described pressure release core includes pressure release guide pad, the pressure release sealing being sequentially connected
Part and the second guide post；Described pressure release seal is used cooperatively with described pressure release seal groove；It is arranged with described first guide post
Pressure release spring, described pressure release spring is located between described valve bottom and pressure release guide pad；
It is arranged with described second guide post and supplies wick, described confession wick includes the fuel feeding guide pad being sequentially connected and cone
For oil seal；Fuel feeding spring is arranged with described second guide post, described fuel feeding spring is located at described pressure release seal and institute
State between fuel feeding guide pad；
Described valve head is provided with entrance, and described entrance is provided with the fuel feeding seal groove using cooperatively with described confession oil seal；
It is provided with the displacement to described confession wick in described working chamber and carry out spacing spacing plush copper；
Oil-feed port is offered, described oil-feed port and described working chamber on valve body between described spacing plush copper and described pressure release baffle plate
Connection；
Offer pressure relief opening on the valve body at described valve bottom, described pressure relief opening is connected with described pressure-releasing chamber.
2. relief valve as claimed in claim 1 is it is characterised in that be provided with the first tune between described pressure release spring and described valve bottom
Section nut, described first adjusting nut is screwed on described first guide post.
3. relief valve as claimed in claim 2 is it is characterised in that be provided between described fuel feeding spring and described pressure release seal
Second adjusting nut, described second adjusting nut is screwed on described second guide post.
4. relief valve as claimed in claim 3 is it is characterised in that described pressure release seal groove is the groove of triangle for section；
Described pressure release seal includes a disk, and it is the close of triangle that described disk is provided with the section mated with described pressure release seal groove
Envelope bulge loop.
5. relief valve as claimed in claim 4 is it is characterised in that be provided with the first sealing material layer in described pressure release seal groove.
6. relief valve as claimed in claim 5 is it is characterised in that described fuel feeding seal groove is to mate with described confession oil seal
Round platform connected in star.
7. relief valve as claimed in claim 6 is it is characterised in that be provided with the second sealing material layer in described fuel feeding seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610884723.1A CN106438542B (en) | 2016-10-10 | 2016-10-10 | relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610884723.1A CN106438542B (en) | 2016-10-10 | 2016-10-10 | relief valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106438542A true CN106438542A (en) | 2017-02-22 |
| CN106438542B CN106438542B (en) | 2018-04-17 |
Family
ID=58172444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610884723.1A Active CN106438542B (en) | 2016-10-10 | 2016-10-10 | relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438542B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931198A (en) * | 2017-03-01 | 2017-07-07 | 河南大有能源股份有限公司常村煤矿 | Mechanical automatic reducing pressure stabilizing valve |
| CN113074029A (en) * | 2021-04-14 | 2021-07-06 | 浙江尔格科技股份有限公司 | Oil pump pressure reducing valve and oil pump for internal combustion engine using same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4552172A (en) * | 1982-12-09 | 1985-11-12 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co. | Pressure-limiting hydraulic valve |
| DE3907152A1 (en) * | 1988-03-09 | 1989-09-21 | Zahnradfabrik Friedrichshafen | Pressure control valve |
| CN2081020U (en) * | 1990-09-18 | 1991-07-17 | 沈阳市变压器配件厂 | Pressure releasing valve |
| CN2583415Y (en) * | 2002-10-16 | 2003-10-29 | 天津特精液压股份有限公司 | Multifunctional hydraulic controlled valve for dumper |
| CN103453177A (en) * | 2013-08-13 | 2013-12-18 | 集美大学 | Dual-pipeline hydraulic safety valve |
| CN105402452A (en) * | 2015-12-11 | 2016-03-16 | 中国北方发动机研究所(天津) | Pressure relief valve |
-
2016
- 2016-10-10 CN CN201610884723.1A patent/CN106438542B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4552172A (en) * | 1982-12-09 | 1985-11-12 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co. | Pressure-limiting hydraulic valve |
| DE3907152A1 (en) * | 1988-03-09 | 1989-09-21 | Zahnradfabrik Friedrichshafen | Pressure control valve |
| CN2081020U (en) * | 1990-09-18 | 1991-07-17 | 沈阳市变压器配件厂 | Pressure releasing valve |
| CN2583415Y (en) * | 2002-10-16 | 2003-10-29 | 天津特精液压股份有限公司 | Multifunctional hydraulic controlled valve for dumper |
| CN103453177A (en) * | 2013-08-13 | 2013-12-18 | 集美大学 | Dual-pipeline hydraulic safety valve |
| CN105402452A (en) * | 2015-12-11 | 2016-03-16 | 中国北方发动机研究所(天津) | Pressure relief valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931198A (en) * | 2017-03-01 | 2017-07-07 | 河南大有能源股份有限公司常村煤矿 | Mechanical automatic reducing pressure stabilizing valve |
| CN106931198B (en) * | 2017-03-01 | 2019-12-13 | 河南大有能源股份有限公司常村煤矿 | Mechanical automatic pressure reducing and stabilizing valve |
| CN113074029A (en) * | 2021-04-14 | 2021-07-06 | 浙江尔格科技股份有限公司 | Oil pump pressure reducing valve and oil pump for internal combustion engine using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106438542B (en) | 2018-04-17 |
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