CN105952934A - Work method for hydraulic bypass with adjustable ball-shaped bidirectional pressure release valve - Google Patents

Work method for hydraulic bypass with adjustable ball-shaped bidirectional pressure release valve Download PDF

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Publication number
CN105952934A
CN105952934A CN201610498099.1A CN201610498099A CN105952934A CN 105952934 A CN105952934 A CN 105952934A CN 201610498099 A CN201610498099 A CN 201610498099A CN 105952934 A CN105952934 A CN 105952934A
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China
Prior art keywords
spheroid
fluid
pressure
hydraulic pressure
relief valve
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Application number
CN201610498099.1A
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Chinese (zh)
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CN105952934B (en
Inventor
黄晓军
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Jiangsu Jinrongsen Refrigeration Technology Co Ltd
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Jiangsu Jinrongsen Refrigeration Technology Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/0406Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of balls
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/06Safety 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Safety Valves (AREA)

Abstract

The invention relates to a work method for a hydraulic bypass with an adjustable ball-shaped bidirectional pressure release valve. The hydraulic bypass is connected to a hydraulic main way in parallel. The hydraulic bypass comprises a hydraulic bypass left section, a hydraulic bypass right section and the adjustable ball-shaped bidirectional pressure release valve. Firstly, an adjusting screw rod is adjusted according to the set pressure of fluid, and therefore the elastic potential energy of a spring is adjusted, and the pressure release value of the fluid in a fluid channel is finally controlled; and when the hydraulic main way is not smooth, the pressure at one end of the adjustable ball-shaped bidirectional pressure release valve is larger than that at the other end of the adjustable ball-shaped bidirectional pressure release valve, a ball is pushed by the fluid to move upwards, space for the fluid to move is formed at the bottom of the ball, the fluid moves in the fluid channel, so that the purpose of pressure release is achieved till the pressure on the left side of the ball is equal to that on the right side of the ball, the ball is put to the normal position, and the hydraulic main way returns to be smooth. The work method has the beneficial effects that bidirectional pressure release can be conducted, the structure is simple, the performance is stable, the pressure release time is short, the speed is high, precision is high, and the sealing performance is good.

Description

The method of work of the hydraulic pressure bypass with adjustable ball build bidirection press relief valve
Technical field
The present invention relates to the hydraulic pressure bypass of a kind of band adjustable ball build bidirection press relief valve.
Background technology
At radiator, cooling system, hydraulic system, lubricating system, fluid drive system, power system, the mechanical main shaft of lathe, machining center and liquid etc.;In system above, liquid has some impacts, pulse in flow process, instantaneous pressure is big, instantaneous delivery is big etc. harsh wants condition for peace, the fluid used in winter and severe cold area machinery especially, when machinery just starts, viscosity is big, poor fluidity, with great impact power, affect the paralysis of whole machinery, machining center.In order to make pressure balance, well discharge pressure, other equipment or other components and parts will not be brought damage and scrap, have on the market and typically can set up hydraulic pressure bypass on susceptible to plugging hydraulic pressure main road holding, then relief valve is set in hydraulic pressure bypass so that system pressure balances, safeguards system safety.But relief valve on the market is all unidirectional relief valve, installation process needs set direction, additionally can not be applicable on the pipeline that two-way circulates, and pressure pressure release value can not be set.Therefore seek a kind of can carry out double-direction relief, simple in construction, stable performance, the short speed of venting duration is fast, precision is high, the hydraulic pressure of the band adjustable ball build bidirection press relief valve of good airproof performance bypass method of work particularly important.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency, it is provided that a kind of can carry out double-direction relief, simple in construction, stable performance, the short speed of venting duration is fast, precision is high, the hydraulic pressure of the band adjustable ball build bidirection press relief valve of good airproof performance bypass method of work.
The object of the present invention is achieved like this:
A kind of method of work of the hydraulic pressure bypass of band adjustable ball build bidirection press relief valve, it is characterized in that: the bypass of the hydraulic pressure of described band adjustable ball build bidirection press relief valve is connected in parallel on hydraulic pressure main road, the hydraulic pressure bypass of band adjustable ball build bidirection press relief valve includes that hydraulic pressure bypasses left section, hydraulic pressure bypasses right section and be connected to adjustable ball build bidirection press relief valve between the two;
nullDescribed adjustable ball build bidirection press relief valve includes housing,The cavity of inverted T-type structure it is provided with in described housing,Fluid passage that this cavity includes lateral arrangement and the regulation passage being vertically arranged,Dust cap it is disposed with from top to bottom in described regulation passage、Seal slide block、Spring、Ball support block and spheroid,There is a regulation screw mandrel from the top down through dust cap the top being connected to seal slide block,Regulation screw mandrel is threadeded with dust cap,On regulation screw mandrel above dust cap, also rotation is equipped with locking nut,The outward flange of described sealing slide block fits with the inwall of regulation passage,The two ends up and down of described spring connect bottom and the top of ball support block sealing slide block respectively,Described spheroid is fixedly installed in the bottom of ball support block,The lower semisection longitudinal cross-section of described spheroid coincide with the cross section of fluid passage,Naturalness lower sphere is close to the bottom of fluid passage,Fluid can not carry out in fluid passage laterally across.
First according to the setting pressure of fluid, regulation screw mandrel is adjusted, thus the elastic potential energy of spring is adjusted, final control fluid pressure release value in fluid passage;
When hydraulic pressure main road is unobstructed, the pressure at the two ends, left and right of adjustable ball build bidirection press relief valve is equal, and spheroid is in low level, and spheroid is failure to actuate;
When liquid flows from left to right and hydraulic pressure main road is obstructed, the left end pressure of adjustable ball build bidirection press relief valve is more than right-hand member pressure, owing to the pressure in the fluid passage on the left of spheroid is more than the pressure in the fluid passage on the right side of spheroid, fluid forces spheroid moves up, the space for fluid motion is formed bottom spheroid, fluid moves in fluid passage from left to right, thus reach the purpose of pressure release, until the pressure on the left of spheroid and right side is equal, spheroid is put in order in situ, and hydraulic pressure main road returns unobstructed;
When liquid flows from left to right and hydraulic pressure main road is obstructed, the right-hand member pressure of adjustable ball build bidirection press relief valve is more than left end pressure, owing to the pressure in the fluid passage on the right side of spheroid is more than the pressure in the fluid passage on the left of spheroid, fluid forces spheroid moves up, the space for fluid motion is formed bottom spheroid, fluid moves in fluid passage from right to left, thus reach the purpose of pressure release, until the pressure on the left of spheroid and right side is equal, spheroid is put in order in situ, and hydraulic pressure main road returns unobstructed.
The two ends, left and right of described fluid passage are provided with connection screw thread.
Dust cap is threadeded with the top open part of regulation passage.
It is provided with sealing ring between the outward flange of slide block and the inwall of regulation passage sealing.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention has can carry out double-direction relief, simple in construction, stable performance, the short speed of venting duration is fast, precision is high, the advantage of good airproof performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the internal structure schematic diagram of adjustable ball build bidirection press relief valve.
Fig. 3 is the contour structures schematic diagram of adjustable ball build bidirection press relief valve.
Fig. 4 is the schematic diagram of embodiment 1.
Fig. 5 is the schematic diagram of embodiment 2.
Wherein:
Housing 801
Fluid passage 802
Regulation passage 803
Dust cap 804
Seal slide block 805
Spring 806
Ball support block 807
Spheroid 808
Regulation screw mandrel 809
Sealing ring 8010
Locking nut 8011.
Detailed description of the invention
See Fig. 1 ~ Fig. 5, the hydraulic pressure bypass of a kind of band adjustable ball build bidirection press relief valve that the present invention relates to, it is connected in parallel on hydraulic pressure main road, it is characterised in that the bypass of the hydraulic pressure of band adjustable ball build bidirection press relief valve includes that hydraulic pressure bypasses left section, hydraulic pressure bypasses right section and be connected to adjustable ball build bidirection press relief valve between the two;Hydraulic pressure bypasses left section and hydraulic pressure bypasses right section and threadeds with the employing of adjustable ball build bidirection press relief valve.
nullDescribed adjustable ball build bidirection press relief valve,It includes housing 801,The cavity of inverted T-type structure it is provided with in described housing 1,Fluid passage 802 that this cavity includes lateral arrangement and the regulation passage 803 being vertically arranged,The two ends, left and right of described fluid passage 802 are provided with connection screw thread,Dust cap 804 it is disposed with from top to bottom in described regulation passage 803、Seal slide block 805、Spring 806、Ball support block 807 and spheroid 808,Wherein dust cap 804 is threadeded with the top open part of regulation passage 803,There is a regulation screw mandrel 809 from the top down through dust cap 804 top being connected to seal slide block 805,Regulation screw mandrel 809 is threadeded with dust cap 804,On regulation screw mandrel 809 above dust cap 804, also rotation is equipped with locking nut 8011,The outward flange of described sealing slide block 805 fits with the inwall of regulation passage 803,It is provided with sealing ring 8010 between the outward flange of slide block 805 and the inwall of regulation passage 803 sealing,The two ends up and down of described spring 806 connect bottom and the top of ball support block 807 sealing slide block 805 respectively,Described spheroid 808 is fixedly installed in the bottom of ball support block 807,The lower semisection longitudinal cross-section of described spheroid 808 coincide with the cross section of fluid passage 802,Under naturalness,Elastic force due to spring 806,When making the bottom that spheroid 808 is close to fluid passage 802,Fluid can not carry out in fluid passage 802 laterally across.
A kind of method of work of adjustable ball build bidirection press relief valve:
First according to the setting pressure of fluid, regulation screw mandrel is adjusted, thus the elastic potential energy of spring is adjusted, final control fluid pressure release value in fluid passage;
When hydraulic pressure main road is unobstructed, the pressure at the two ends, left and right of adjustable ball build bidirection press relief valve is equal, and spheroid is in low level, and spheroid is failure to actuate;
Embodiment 1, when liquid flows from left to right and hydraulic pressure main road is obstructed, the left end pressure of adjustable ball build bidirection press relief valve is more than right-hand member pressure, owing to the pressure in the fluid passage on the left of spheroid is more than the pressure in the fluid passage on the right side of spheroid, fluid forces spheroid moves up, the space for fluid motion is formed bottom spheroid, fluid moves in fluid passage from left to right, thus reach the purpose of pressure release, until the pressure on the left of spheroid and right side is equal, spheroid is put in order in situ, and hydraulic pressure main road returns unobstructed.
Embodiment 2, when liquid flows from left to right and hydraulic pressure main road is obstructed, the right-hand member pressure of adjustable ball build bidirection press relief valve is more than left end pressure, owing to the pressure in the fluid passage on the right side of spheroid is more than the pressure in the fluid passage on the left of spheroid, fluid forces spheroid moves up, the space for fluid motion is formed bottom spheroid, fluid moves in fluid passage from right to left, thus reach the purpose of pressure release, until the pressure on the left of spheroid and right side is equal, spheroid is put in order in situ, and hydraulic pressure main road returns unobstructed.

Claims (4)

1. the method for work of the hydraulic pressure bypass of a band adjustable ball build bidirection press relief valve, it is characterised in that:
The hydraulic pressure bypass of described band adjustable ball build bidirection press relief valve is connected in parallel on hydraulic pressure main road, and the bypass of the hydraulic pressure of band adjustable ball build bidirection press relief valve includes that hydraulic pressure bypasses left section, hydraulic pressure bypasses right section and be connected to adjustable ball build bidirection press relief valve between the two;nullDescribed adjustable ball build bidirection press relief valve includes housing (801),The cavity of inverted T-type structure it is provided with in described housing (1),Fluid passage (802) that this cavity includes lateral arrangement and the regulation passage (803) being vertically arranged,Dust cap (804) it is disposed with from top to bottom in described regulation passage (803)、Seal slide block (805)、Spring (806)、Ball support block (807) and spheroid (808),There is a regulation screw mandrel (809) from the top down through dust cap (804) the top being connected to seal slide block (805),Regulation screw mandrel (809) is threadeded with dust cap (804),On the regulation screw mandrel (809) of dust cap (804) top, also rotation is equipped with locking nut (8011),The outward flange of described sealing slide block (805) fits with the inwall of regulation passage (803),The two ends up and down of described spring (806) connect bottom and the top of ball support block (807) sealing slide block (805) respectively,Described spheroid (808) is fixedly installed in the bottom of ball support block (807),The lower semisection longitudinal cross-section of described spheroid (808) coincide with the cross section of fluid passage (802),Naturalness lower sphere (808) is close to the bottom of fluid passage (802),Fluid can not carry out in fluid passage (802) laterally across;
First according to the setting pressure of fluid, regulation screw mandrel is adjusted, thus the elastic potential energy of spring is adjusted, final control fluid pressure release value in fluid passage;
When hydraulic pressure main road is unobstructed, the pressure at the two ends, left and right of adjustable ball build bidirection press relief valve is equal, and spheroid is in low level, and spheroid is failure to actuate;
When liquid flows from left to right and hydraulic pressure main road is obstructed, the left end pressure of adjustable ball build bidirection press relief valve is more than right-hand member pressure, owing to the pressure in the fluid passage on the left of spheroid is more than the pressure in the fluid passage on the right side of spheroid, fluid forces spheroid moves up, the space for fluid motion is formed bottom spheroid, fluid moves in fluid passage from left to right, thus reach the purpose of pressure release, until the pressure on the left of spheroid and right side is equal, spheroid is put in order in situ, and hydraulic pressure main road returns unobstructed;
When liquid flows from left to right and hydraulic pressure main road is obstructed, the right-hand member pressure of adjustable ball build bidirection press relief valve is more than left end pressure, owing to the pressure in the fluid passage on the right side of spheroid is more than the pressure in the fluid passage on the left of spheroid, fluid forces spheroid moves up, the space for fluid motion is formed bottom spheroid, fluid moves in fluid passage from right to left, thus reach the purpose of pressure release, until the pressure on the left of spheroid and right side is equal, spheroid is put in order in situ, and hydraulic pressure main road returns unobstructed.
The method of work of the hydraulic pressure bypass of a kind of adjustable ball build bidirection press relief valve the most according to claim 1, it is characterised in that the two ends, left and right of described fluid passage (802) are provided with connection screw thread.
The method of work of the hydraulic pressure bypass of a kind of adjustable ball build bidirection press relief valve the most according to claim 1, it is characterised in that dust cap (804) is threadeded with the top open part of regulation passage (803).
The method of work of the hydraulic pressure bypass of a kind of adjustable ball build bidirection press relief valve the most according to claim 1, it is characterised in that be provided with sealing ring (8010) between the outward flange of slide block (805) and the inwall of regulation passage (803) sealing.
CN201610498099.1A 2016-06-30 2016-06-30 The working method of hydraulic pressure bypass with adjustable ball figure bidirection press relief valve Active CN105952934B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109990511A (en) * 2019-04-30 2019-07-09 宁波奥克斯电气股份有限公司 A kind of throttling set and air conditioner

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2222274Y (en) * 1995-06-16 1996-03-13 王丰南 Sealing pressure-reducing valve specially for accumulator sealing
JP2001304453A (en) * 2000-04-26 2001-10-31 Senju Sprinkler Kk Valve element for simultaneously opening valve system
CN201007377Y (en) * 2006-12-18 2008-01-16 董世才 Automatically water cut-off valve
CN203770770U (en) * 2014-01-13 2014-08-13 胡光荣 Two-directional flow valve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2222274Y (en) * 1995-06-16 1996-03-13 王丰南 Sealing pressure-reducing valve specially for accumulator sealing
JP2001304453A (en) * 2000-04-26 2001-10-31 Senju Sprinkler Kk Valve element for simultaneously opening valve system
CN201007377Y (en) * 2006-12-18 2008-01-16 董世才 Automatically water cut-off valve
CN203770770U (en) * 2014-01-13 2014-08-13 胡光荣 Two-directional flow valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109990511A (en) * 2019-04-30 2019-07-09 宁波奥克斯电气股份有限公司 A kind of throttling set and air conditioner

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