CN105952934B - The working method of hydraulic pressure bypass with adjustable ball figure bidirection press relief valve - Google Patents
The working method of hydraulic pressure bypass with adjustable ball figure bidirection press relief valve Download PDFInfo
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- CN105952934B CN105952934B CN201610498099.1A CN201610498099A CN105952934B CN 105952934 B CN105952934 B CN 105952934B CN 201610498099 A CN201610498099 A CN 201610498099A CN 105952934 B CN105952934 B CN 105952934B
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- Prior art keywords
- sphere
- pressure
- fluid
- relief valve
- fluid channel
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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
- F16K17/0406—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 in the form of balls
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- 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
-
- 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
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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
A kind of working method of hydraulic pressure bypass with adjustable ball figure bidirection press relief valve of the present invention, the hydraulic pressure bypass is connected in parallel on Hydraulic Main road, which includes left section of hydraulic pressure bypass, right section of hydraulic pressure bypass and adjustable ball figure bidirection press relief valve;It is adjusted first according to the setting pressure of fluid to screw rod is adjusted, thus the elastic potential energy of spring to be adjusted, the final pressure release value for controlling fluid in fluid channel;When hydraulic main road is obstructed, one end pressure of adjustable ball figure bidirection press relief valve is greater than another end pressure, fluid forces sphere moves up, space for fluid motion is formed on sphere bottom, fluid moves in fluid channel, to achieve the purpose that pressure release, until the pressure of sphere left and right side is equal, sphere puts in order original position, and hydraulic main road returns unobstructed.The present invention has the advantages that can to carry out that double-direction relief, structure are simple, performance is stable, the short speed of venting duration is fast, precision is high, good airproof performance.
Description
Technical field
The present invention relates to a kind of hydraulic pressure bypasses with adjustable ball figure bidirection press relief valve.
Background technique
In radiator, cooling system, hydraulic system, lubricating system, oil liquid transmission system, electric system, the machinery of lathe
Main shaft, machining center and liquid etc.;In system above, liquid has some impacts, pulse, instantaneous pressure in flow process
Greatly, instantaneous flow it is big etc. it is harsh want condition for peace, the oil liquid especially used in winter and severe cold area machinery has just been opened in machinery
When dynamic, viscosity is big, poor fluidity, has great impact power, influences entire mechanical, machining center paralysis.In order to keep pressure flat
Weighing apparatus, releases stress well, and will not other equipment or other components be brought with damage and scrapped, and having on the market generally can be
Hold susceptible to plugging Hydraulic Main road and add hydraulic pressure bypass, then relief valve is set in hydraulic pressure bypass, so that system pressure balances,
Safeguards system safety.However relief valve on the market is all unidirectional relief valve, needs direction selection during the installation process, separately
On the pipeline that can not be suitable for two-way circulating outside, and pressure pressure release value cannot be set.Therefore seek one kind can carry out it is double
To pressure release, structure is simple, performance is stable, the short speed of venting duration is fast, precision is high, the band adjustable ball figure of good airproof performance is double
Working method to the hydraulic pressure bypass of pressure relief valve is particularly important.
Summary of the invention
It can carry out that double-direction relief, structure are simple, performance is steady the purpose of the present invention is to overcome the above shortcomings and to provide one kind
Determine, the short speed of venting duration is fast, precision is high, the hydraulic pressure bypass with adjustable ball figure bidirection press relief valve of good airproof performance
Working method.
The object of the present invention is achieved like this:
A kind of working method of the hydraulic pressure bypass with adjustable ball figure bidirection press relief valve, it is characterised in that: described
Hydraulic pressure bypass with adjustable ball figure bidirection press relief valve is connected in parallel on Hydraulic Main road, band adjustable ball figure bidirection press
The hydraulic pressure bypass of relief valve includes left section of hydraulic pressure bypass, right section of hydraulic pressure bypass and is connected to adjustable ball figure between the two
Bidirection press relief valve;
The adjustable ball figure bidirection press relief valve includes shell, and inverted T-type structure is provided in the shell
Cavity, which includes the fluid channel of lateral arrangement and the adjusting channel being vertically arranged, from upper in the adjusting channel
It is disposed with dustproof cover, sealing sliding block, spring, ball support block and sphere under, has an adjusting screw rod from the top down
Across dustproof cover and be connected to sealing sliding block top, adjust screw rod be threadedly coupled with dustproof cover, the adjusting silk above dustproof cover
Also rotation is equipped with locking nut on bar, and the outer edge of the sealing sliding block and the inner wall in adjusting channel fit, the spring it is upper
Lower both ends are separately connected the bottom of sealing sliding block and the top of ball support block, the sphere are fixedly installed in ball support block
Lower part, the section of the lower semisection longitudinal cross-section of the sphere and fluid channel coincide, and it is logical that nature lower sphere is close to fluid
The bottom in road, fluid cannot be carried out out of fluid channel laterally across.
It is adjusted first according to the setting pressure of fluid to screw rod is adjusted, thus to be adjusted to the elastic potential energy of spring
Section, the final pressure release value for controlling fluid in fluid channel;
When hydraulic main road is unobstructed, the pressure of the left and right ends of adjustable ball figure bidirection press relief valve is equal, sphere
In low level, sphere is failure to actuate;
When liquid flows from left to right and hydraulic main road is obstructed, the left end of adjustable ball figure bidirection press relief valve
Pressure is greater than right end pressure, the pressure being greater than in the fluid channel on the right side of sphere due to the pressure in the fluid channel on the left of sphere
Power, fluid forces sphere move up, sphere bottom formed for fluid motion space, fluid in fluid channel from left to right
Movement, to achieve the purpose that pressure release, until the pressure of sphere left and right side is equal, sphere puts in order original position, and hydraulic main road returns
Return unobstructed;
When liquid flows from left to right and hydraulic main road is obstructed, the right end of adjustable ball figure bidirection press relief valve
Pressure is greater than left end pressure, the pressure being greater than in the fluid channel on the left of sphere due to the pressure in the fluid channel on the right side of sphere
Power, fluid forces sphere move up, sphere bottom formed for fluid motion space, fluid in fluid channel from right to left
Movement, to achieve the purpose that pressure release, until the pressure of sphere left and right side is equal, sphere puts in order original position, and hydraulic main road returns
Return unobstructed.
The left and right ends of the fluid channel are provided with connection screw thread.
Dustproof cover is threadedly coupled with the top open part for adjusting channel.
Sealing ring is provided between the outer edge of sealing sliding block and the inner wall in adjusting channel.
Compared with prior art, the beneficial effects of the present invention are:
Double-direction relief, structure are simple, performance is stable, the short speed of venting duration is fast, precision with that can carry out by the present invention
The advantages of height, good airproof performance.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the schematic diagram of internal structure of adjustable ball figure bidirection press relief valve.
Fig. 3 is the outline structural diagram of adjustable ball figure bidirection press relief valve.
Fig. 4 is the schematic diagram of embodiment 1.
Fig. 5 is the schematic diagram of embodiment 2.
Wherein:
Shell 801
Fluid channel 802
Adjust channel 803
Dustproof cover 804
Seal sliding block 805
Spring 806
Ball support block 807
Sphere 808
Adjust screw rod 809
Sealing ring 8010
Locking nut 8011.
Specific embodiment
Referring to FIG. 1 to FIG. 5, a kind of hydraulic pressure bypass with adjustable ball figure bidirection press relief valve of the present invention,
It is connected in parallel on Hydraulic Main road, it is characterised in that the hydraulic pressure bypass with adjustable ball figure bidirection press relief valve includes hydraulic side
Left section of road, right section of hydraulic pressure bypass and it is connected to adjustable ball figure bidirection press relief valve between the two;Hydraulic pressure bypass is left
Section and right section of hydraulic pressure bypass are threadedly coupled with the use of adjustable ball figure bidirection press relief valve.
The adjustable ball figure bidirection press relief valve, it includes shell 801, is provided with inversion in the shell 801
T-type structure cavity, which includes the fluid channel 802 of lateral arrangement and the adjusting channel 803 that is vertically arranged, described
The left and right ends of fluid channel 802 are provided with connection screw thread, are disposed with dustproof cover from top to bottom in the adjusting channel 803
804, sliding block 805, spring 806, ball support block 807 and sphere 808 are sealed, wherein dustproof cover 804 and adjusting channel 803
Top open part is threadedly coupled, and is had an adjusting screw rod 809 to pass through dustproof cover 804 from the top down and is connected to sealing sliding block 805
Top, adjust screw rod 809 and be threadedly coupled with dustproof cover 804, also revolved on the adjusting screw rod 809 above dustproof cover 804 and be equipped with lock
The outer edge of tight nut 8011, the sealing sliding block 805 fits with the inner wall for adjusting channel 803, in the outer of sealing sliding block 805
It is provided with sealing ring 8010 between edge and the inner wall for adjusting channel 803, the upper and lower ends of the spring 806 are separately connected sealing
The bottom of sliding block 805 and the top of ball support block 807, the sphere 808 are fixedly installed under ball support block 807
Portion, the lower semisection longitudinal cross-section of the sphere 808 and the section of fluid channel 802 coincide, under natural conditions, due to spring 806
Elastic force so that sphere 808 be close to fluid channel 802 bottom when, fluid cannot be carried out out of fluid channel 802 laterally lead to
It crosses.
A kind of working method of adjustable ball figure bidirection press relief valve:
It is adjusted first according to the setting pressure of fluid to screw rod is adjusted, thus to be adjusted to the elastic potential energy of spring
Section, the final pressure release value for controlling fluid in fluid channel;
When hydraulic main road is unobstructed, the pressure of the left and right ends of adjustable ball figure bidirection press relief valve is equal, sphere
In low level, sphere is failure to actuate;
Embodiment 1, when liquid flows from left to right and hydraulic main road is obstructed, adjustable ball figure bidirection press pressure release
The left end pressure of valve is greater than right end pressure, since the pressure in the fluid channel on the left of sphere is greater than the fluid channel on the right side of sphere
Interior pressure, fluid forces sphere move up, sphere bottom formed for fluid motion space, fluid in fluid channel from
From left to right movement, to achieve the purpose that pressure release, until the pressure of sphere left and right side is equal, sphere puts in order original position, hydraulic
Main road returns unobstructed.
Embodiment 2, when liquid flows from left to right and hydraulic main road is obstructed, adjustable ball figure bidirection press pressure release
The right end pressure of valve is greater than left end pressure, since the pressure in the fluid channel on the right side of sphere is greater than the fluid channel on the left of sphere
Interior pressure, fluid forces sphere move up, sphere bottom formed for fluid motion space, fluid in fluid channel from
Dextrad left movement, to achieve the purpose that pressure release, until the pressure of sphere left and right side is equal, sphere puts in order original position, hydraulic
Main road returns unobstructed.
Claims (2)
1. a kind of working method of the hydraulic pressure bypass with adjustable ball figure bidirection press relief valve, it is characterised in that:
The hydraulic pressure bypass with adjustable ball figure bidirection press relief valve is connected in parallel on Hydraulic Main road, band adjustable ball figure
The hydraulic pressure bypass of bidirection press relief valve includes left section of hydraulic pressure bypass, right section of hydraulic pressure bypass and is connected between the two adjustable
Formula ball-shape bidirection press relief valve;The adjustable ball figure bidirection press relief valve includes shell (801), the shell
(801) cavity of inverted T-type structure is provided in, which includes the fluid channel (802) and vertical cloth of lateral arrangement
The adjusting channel (803) set, the adjusting channel (803) is interior to be disposed with dustproof cover (804), sealing sliding block from top to bottom
(805), spring (806), ball support block (807) and sphere (808) have an adjusting screw rod (809) to pass through from the top down
Dustproof cover (804) and the top for being connected to sealing sliding block (805) adjust screw rod (809) and are threadedly coupled with dustproof cover (804), prevent
Also rotation is equipped with locking nut (8011) on adjusting screw rod (809) above dirt lid (804), the outside of sealing sliding block (805)
Edge fits with the inner wall for adjusting channel (803), and the upper and lower ends of the spring (806) are separately connected sealing sliding block (805)
Bottom and the top of ball support block (807), the sphere (808) are fixedly installed in the lower part of ball support block (807), institute
The section of the lower semisection longitudinal cross-section and fluid channel (802) of stating sphere (808) coincide, and nature lower sphere (808) is close to
The bottom of fluid channel (802), fluid cannot carry out out of fluid channel (802) laterally across;
The left and right ends of the fluid channel (802) are provided with connection screw thread;
Dustproof cover (804) is threadedly coupled with the top open part for adjusting channel (803);
It is adjusted first according to the setting pressure of fluid to screw rod is adjusted, thus the elastic potential energy of spring to be adjusted,
Pressure release value of the final control fluid in fluid channel;
When hydraulic main road is unobstructed, the pressure of the left and right ends of adjustable ball figure bidirection press relief valve is equal, and sphere is in
Low level, sphere are failure to actuate;
When liquid flows from left to right and hydraulic main road is obstructed, the left end pressure of adjustable ball figure bidirection press relief valve
Greater than right end pressure, the pressure being greater than in the fluid channel on the right side of sphere due to the pressure in the fluid channel on the left of sphere, stream
Body pushes sphere to move up, and the space for fluid motion is formed on sphere bottom, and fluid moves from left to right in fluid channel,
To achieve the purpose that pressure release, until the pressure of sphere left and right side is equal, sphere puts in order original position, and hydraulic main road returns logical
Freely;
When liquid flows from left to right and hydraulic main road is obstructed, the right end pressure of adjustable ball figure bidirection press relief valve
Greater than left end pressure, the pressure being greater than in the fluid channel on the left of sphere due to the pressure in the fluid channel on the right side of sphere, stream
Body pushes sphere to move up, and the space for fluid motion is formed on sphere bottom, and fluid moves from right to left in fluid channel,
To achieve the purpose that pressure release, until the pressure of sphere left and right side is equal, sphere puts in order original position, and hydraulic main road returns logical
Freely.
2. a kind of work side of hydraulic pressure bypass with adjustable ball figure bidirection press relief valve according to claim 1
Method, it is characterised in that be provided with sealing ring between the outer edge of sealing sliding block (805) and the inner wall of adjusting channel (803)
(8010)。
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CN201610498099.1A CN105952934B (en) | 2016-06-30 | 2016-06-30 | The working method of hydraulic pressure bypass with adjustable ball figure bidirection press relief valve |
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CN201610498099.1A CN105952934B (en) | 2016-06-30 | 2016-06-30 | The working method of hydraulic pressure bypass with adjustable ball figure bidirection press relief valve |
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CN105952934A CN105952934A (en) | 2016-09-21 |
CN105952934B true CN105952934B (en) | 2019-01-11 |
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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 |
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