CN104989864B - A kind of non-energy consumption self-locking timing hydraulic valve - Google Patents
A kind of non-energy consumption self-locking timing hydraulic valve Download PDFInfo
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- CN104989864B CN104989864B CN201510348446.8A CN201510348446A CN104989864B CN 104989864 B CN104989864 B CN 104989864B CN 201510348446 A CN201510348446 A CN 201510348446A CN 104989864 B CN104989864 B CN 104989864B
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1225—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston with a plurality of pistons
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The invention discloses a kind of non-energy consumption self-locking timing hydraulic valve, including start button, push-button reset spring, valve seat, hydraulic pressure timing self-locking structure, fluid flow tube, movable valve rod, standing valve block and standing valve block hole, start button is fixed on above valve seat by push-button reset spring, it is fluid flow tube below valve seat, movable valve rod and standing valve block are installed in fluid flow tube, standing valve block includes standing valve block hole, valve seat is internally provided with hydraulic pressure timing self-locking structure, hydraulic pressure timing self-locking structure includes hydraulic cavities, hydraulic cavities upper piston and hydraulic cavities lower piston, hydraulic cavities upper piston is fixedly attached to start button, it is hydraulic cavities lower piston below hydraulic cavities, hydraulic cavities lower piston is fixedly attached to movable valve rod upper end;The advantage and electrodynamic type hydraulic valve that the present invention possesses the non-energy consumption of Manual hydraulic valve automatically control advantage, and avoid the structural complexity of mechanical formula timing valve, realize simple in construction, and can preferably realize the function that non-energy consumption and self-timing are closed.
Description
Technical field
The present invention relates to hydraulic valve field, and in particular to a kind of non-energy consumption self-locking timing hydraulic valve.
Background technology
Control member based on hydraulic valve, is widely used in our living facilities and production equipment.Hydraulic valve
Species it is more, by mode of operation, it can be divided mainly into Manual hydraulic valve and self-action hydraulic valve, and self-action hydraulic valve is general
All it is electro-hydraulic valve.The advantage of Manual hydraulic valve is not influenceed by electric power environmental, without energy consumption, and simple in construction, peace
Dressing is easy;But the problem of it is present is:It opens or closes relatively elaborate and easy because forgetting to cause water resource closing valve
Waste.The advantage of electrodynamic type hydraulic valve is easy to control, and intelligent control, energy preferably saving water resource, it is to avoid water is provided can be achieved
Source is wasted;But the problem of it is present is:The internal structure of electrodynamic type hydraulic valve installs complicated, and its internal electronic element easily enters
Water, which causes to damage, to fail or the error that is interfered, and reliability is relatively low;In addition, electrodynamic type hydraulic valve relies on big to electric power environmental, hold
Easily because power failure causes to use.
The problem of for above-mentioned electrodynamic type and Manual hydraulic valve, mainly pass through mechanical type timing valve in the prior art
To realize on-electric and automatic closing property, a kind of mechanical type timing valve as disclosed in patented technology document(Notification number
CN103867743A), its mechanical type timing valve include mechanical timer, valve and switch executive mechanism, mechanical type timing
Device include by timing clockwork spring driver inversion main shaft, control main shaft gyration speed escapement speed-adjusting mechanism, with main shaft it is coaxial or join
Timer cam is installed, switch executive mechanism includes sliding part, STATEMENT OF FEDERALLY SPONSORED and locking mechanism, connection on dynamic camshaft, camshaft
The presser feet of moving part is resisted against on the circumference of timer cam;This mechanical type timing valve can regularly realize automatic closing, and need not
Power consumption;But the weak point of this timing valve is:Its is complicated, and its inner body gets rusty easily or caused failure by corrosion.
The problem of for above electrodynamic type and Manual hydraulic valve, and mechanical type timing valve weak point, and
Mechanical type timing problems with valves, the present invention devises a kind of non-energy consumption self-locking timing hydraulic valve, it is intended to comprehensive hand and electricity
The advantage of actuated hydraulic valve, and possess more simple timing architecture and valve driving structure, realize non-energy consumption and self-timing
The function of closing.
The content of the invention
The invention aims to solve what is proposed in background technology:Manual hydraulic valve is easily because forgetting in the prior art
Close valve and the problem of cause water resource waste, the easy waterlogged damage of electrodynamic induction formula hydraulic valve and rely on electric power big ask
Topic and mechanical type timing valve internal part get rusty easily or by corrosion cause failure the problem of there is provided a kind of non-energy consumption from
Locking-type timing hydraulic valve, can realize it is simple in construction, without electric energy, and possess automatic timing shutoff valve door function.
To achieve the above object, the present invention provides following technical scheme:A kind of non-energy consumption self-locking timing hydraulic valve, including
Start button, push-button reset spring, valve seat, fluid flow tube, movable valve rod, standing valve block and standing valve block hole, start button pass through
Push-button reset spring is fixed on above valve seat, is to be provided with movable valve rod and standing valve block in fluid flow tube, fluid flow tube below valve seat,
Standing valve block includes standing valve block hole;
It is characterized in that:The valve seat is internally provided with hydraulic pressure timing self-locking structure, and hydraulic pressure timing self-locking structure includes liquid
Press above chamber, hydraulic cavities upper piston, hydraulic cavities lower piston, drain pipe, feed tube, check valve and flow-limiting valve, hydraulic cavities and be
Hydraulic cavities upper piston, it is hydraulic cavities lower piston, liquid that hydraulic cavities upper piston, which is fixedly attached to below start button, hydraulic cavities,
Pressure chamber lower piston is fixedly attached to movable valve rod upper end, and hydraulic cavities middle and upper part side is provided with drain pipe and feed tube, goes out liquid
Pipe and feed tube are commonly connected to fluid flow tube liquid feeding end, and drain pipe is provided with check valve, and feed tube is provided with flow-limiting valve, check valve
Liquid flow path direction from hydraulic cavities to fluid flow tube, hydraulic cavities middle and lower part madial wall is provided with limited block.
It is preferred that, the upper and lower cavity of hydraulic cavities point of the hydraulic pressure timing self-locking structure, it is straight that upper cavity diameter is more than lower chamber
Footpath, upper cavity a diameter of 40mm to 60mm, lower chamber a diameter of 20mm to 40mm.
It is preferred that, the free travel of the hydraulic cavities lower piston of the hydraulic pressure timing self-locking structure for 20mm extremely
40mm, the flow velocity of the flow-limiting valve is 2mL/s to 20mL/s.
It is preferred that, it is additionally provided with power assistant spring, hydraulic pressure below the hydraulic cavities lower piston of the hydraulic pressure timing self-locking structure
When chamber lower piston is in high-order, its power assistant spring is nature, and the coefficient of elasticity of its power assistant spring is less than push-button reset bullet
The coefficient of elasticity of spring.
It is preferred that, the flow-limiting valve is flow velocity adjustable restrictor, and its current limliting adjustable range is 2mL/s to 20mL/s.
It is preferred that, the valve seat material is stainless steel or aluminium alloy or titanium alloy material.
It is preferred that, effective bluff body of the movable valve rod lower end is cone, and circular cone top surface is choked flow face, choked flow stress
Direction parallel activity valve rod axis direction;
It is preferred that, effective bluff body of the movable valve rod lower end is square-panel, and the side of square-panel is choked flow face, choked flow
Impact direction Vertical movements valve rod axis direction.
The present invention operation principle be:Hydraulic valve is under steady working condition, when pushing start button, and hydraulic cavities top is lived
Plug can be together with starting by moving downward, and now liquid pressure moment becomes big in hydraulic cavities, and higher than liquid pressure in fluid flow tube, makes
The partially liq obtained in hydraulic cavities is discharged to inside fluid flow tube through check valve;When unclamping start button, due to push-button reset bullet
The effect of spring so that hydraulic cavities upper piston moves to original position rapidly upward together with start button, due in hydraulic cavities
Liquid can not be supplemented rapidly, and hydraulic cavities lower piston rises in company with hydraulic pressure intracavity liquid is simultaneously rapid, while hydraulic cavities bottom is lived
Plug drive activity valve rod rises to certain altitude, while standing valve block hole is turned on also with the upward motion of movable valve rod;When
Hydraulic cavities lower piston is risen to after certain altitude, because the liquid pressure in hydraulic cavities is less than the liquid pressure in fluid flow tube
By force, the liquid in fluid flow tube can constantly flow through flow-limiting valve and flow slowly into hydraulic cavities, as liquid is constantly infused, hydraulic cavities
Lower piston is moved downward in the presence of fluid pressure, and drive activity valve rod is moved together, makes the water conservancy diversion in standing valve block hole
Area more becomes smaller, until the flowing of cutting-off liquid flow pipe liquid stream, the break time for completing liquid stream in self-locking, fluid flow tube is by hydraulic pressure
Chamber upper piston push after hydraulic cavities internal liquid volume reduction and flow-limiting valve liquid flowing rate determine.
Compared with prior art, the beneficial effects of the invention are as follows:Non- energy consumption self-locking timing hydraulic valve of the present invention
The primary structure of timing mechanism and valve driving machine structure is common to be made up of hydraulic cavities, flow-limiting valve and single limit, and timing mechanism and
Valve driving machine structure is hydraulically operated, and is realized the integration of timing mechanism and valve driving machine structure, be enormously simplify in it
Portion's structure, its structure is very simple;And its environmental liquids and the non-energy consumption self-locking timing hydraulic pressure valve timing mechanism and valve control
The driving liquid of mechanism processed is communicated, thus the problem of the reduction for driving amount of liquid to be lost interior in the absence of hydraulic cavities;The present invention
Timing mechanism and valve driving machine structure be hydraulically operated, without energy consumption, complicated timing mechanism can be realized preferably
It is automatically closed at regular time the function of current.
Brief description of the drawings
Fig. 1 is that the start button of the embodiment of the present invention 1 is in pressed state structural representation.
Fig. 2 is that the start button of the embodiment of the present invention 1 elasticity recovers late gate opening structural representation.
Fig. 3 is that the start button of the embodiment of the present invention 1 elasticity recovers late gate self-locking state structural representation.
Fig. 4 is the structural representation of the embodiment of the present invention 4.
Fig. 5 is the structural representation of the embodiment of the present invention 5.
In figure:1 is start button, and 2 be push-button reset spring, and 3 be valve seat, and 4 be hydraulic pressure timing self-locking structure, and 5 be liquid stream
Pipe, 6 be movable valve rod, and 7 be standing valve block, and 8 be standing valve block hole, and 41 be hydraulic cavities, and 42 be hydraulic cavities upper piston, and 43 are
Hydraulic cavities lower piston, 44 be drain pipe, and 45 be feed tube, and 46 be check valve, and 47 be flow-limiting valve, and 48 be limited block, and 49 be to help
Power spring.
Embodiment
Below in conjunction with the accompanying drawings(Such as Fig. 1 to Fig. 5), technical scheme is clearly and completely described.
Embodiment 1
A kind of non-energy consumption self-locking timing hydraulic valve described in the invention, including start button 1, push-button reset spring 2,
Valve seat 3, hydraulic pressure timing self-locking structure 4, fluid flow tube 5, movable valve rod 6 and fixed valve 8, start button 1 pass through push-button reset bullet
Spring 2 is fixed on the top of valve seat 3, and the lower section of valve seat 3 is to be provided with movable valve rod 6 and standing valve block 7 in fluid flow tube 5, fluid flow tube 5, Gu
Determine to be provided with standing valve block hole 8 in valve block 7;Valve seat 3 is internally provided with hydraulic pressure timing self-locking structure 4, hydraulic pressure timing self-locking structure 4
Including hydraulic cavities 41, hydraulic cavities upper piston 42, hydraulic cavities lower piston 43, drain pipe 44, feed tube 45, check valve 46, limit
Valve 47 and limited block 48 are flowed, the top of hydraulic cavities 41 is hydraulic cavities upper piston 42, and hydraulic cavities upper piston 42, which is fixedly attached to, to be opened
Dynamic button 1, the lower section of hydraulic cavities 41 is hydraulic cavities lower piston 43, and hydraulic cavities lower piston 43 is fixedly attached on movable valve rod 6
End, the middle and upper part side of hydraulic cavities 41 is provided with drain pipe 44 and feed tube 45, and drain pipe 44 and feed tube 45 are commonly connected to liquid
The liquid feeding end of flow tube 5, drain pipe 44 is provided with check valve 46, and feed tube 45 is provided with flow-limiting valve 47, the liquid flow path direction of check valve 46
From hydraulic cavities 41 to fluid flow tube 5, the middle and lower part madial wall of hydraulic cavities 41 is provided with limited block 48.
The further specific optimization of above-mentioned embodiment, the material of valve seat 3 is stainless steel or aluminium alloy or titanium alloy material
Any one material of matter;This kind of material hardness is big and is difficult liquid body corrosion and oxidation and rusting, can preferably increase it and use the longevity
Life.
The further specific optimization of above-mentioned embodiment, 41 points of upper and lower chambers of hydraulic cavities of the hydraulic pressure timing self-locking structure 4
Body, upper cavity diameter is more than lower chamber diameter, a diameter of 40mm of upper cavity, a diameter of 20mm of lower chamber;Using the optimization structure
Mode, because the section of upper cavity is more than cavity of resorption body section, the lifting of hydraulic cavities upper piston 42 and hydraulic cavities lower piston 43
Measurer can reduce pressing difficulty for certain amplification relation.
Live the further specific optimization of above-mentioned embodiment, the hydraulic cavities bottom of the hydraulic pressure timing self-locking structure 4
The free travel of plug 43 is 20mm, and the flow velocity of the flow-limiting valve 47 is 2mL/s;Using the optimization frame mode, its structural volume
It is small.
The further specific optimization of above-mentioned embodiment, effective bluff body of the movable lower end of valve rod 6 is cone, circle
Vertex of a cone face is choked flow face, the axis direction of choked flow Impact direction parallel activity valve rod 6;Using the optimization structure, the movable valve rod 6
Circular cone top surface by certain hydraulic coupling, can be used for the rising increase power-assisted of hydraulic cavities lower piston 43, and hydraulic pressure can be increased
Hydraulic pressure in chamber 41, can realize to flow-limiting valve 47 and flow slowly, extend timing, increase timing controlled time range.
Embodiment 2
Difference from Example 1 is:41 points of the hydraulic cavities of hydraulic pressure timing self-locking structure 4 are upper and lower as described in Example 1
Cavity, upper cavity diameter is more than lower chamber diameter, a diameter of 60mm of upper cavity, a diameter of 40mm of lower chamber;The hydraulic pressure
The free travel of the hydraulic cavities lower piston 43 of timing self-locking structure 4 is 40mm;The flow velocity of the flow-limiting valve 47 is 20mL/s.
The embodiment of the present embodiment, its small product size is larger, it is adaptable to the control of larger liquid flow flux.
Embodiment 3
Difference from Example 1 is:The flow-limiting valve 47 is flow velocity adjustable restrictor, and its current limliting adjustable range is
2mL/s to 20mL/s.
The embodiment of embodiment 3, because its flow-limiting valve 47 is flow velocity adjustable restrictor, can preferably realize that timing is adjusted
Section control.
Embodiment 4
Difference from Example 1 is:The hydraulic cavities lower piston of hydraulic pressure timing self-locking structure 4 as described in Example 1
43 lower sections are additionally provided with power assistant spring 49, when hydraulic cavities lower piston 43 is in high-order, and its power assistant spring 49 is nature, its
The coefficient of elasticity of power assistant spring 49 is less than the coefficient of elasticity of push-button reset spring 2.
The embodiment of embodiment 4, its power assistant spring 49 can be used for the rising increase power-assisted of hydraulic cavities lower piston 43, and
The hydraulic pressure in hydraulic cavities 41 can be increased, flow-limiting valve 47 can be realized and flow slowly, extend timing, increase timing controlled time model
Enclose.
Embodiment 5
Difference from Example 1 is:Effective bluff body of the movable lower end of valve rod 6 is square-panel as described in Example 1,
The side of square-panel is choked flow face, the axis direction of choked flow Impact direction Vertical movements valve rod 6.
The embodiment of embodiment 5, because its liquid flow resistance stream interface with liquid flow path direction is orthogonal, hydraulic pressure ability to bear
Greatly, its closure effect is very good.
Claims (8)
1. a kind of non-energy consumption self-locking timing hydraulic valve, including start button (1), push-button reset spring (2), valve seat (3), liquid stream
(5), movable valve rod (6), standing valve block (7) and standing valve block hole (8) are managed, start button (1) is solid by push-button reset spring (2)
It is scheduled on above valve seat (3), is that movable valve rod (6) and standing valve block are installed in fluid flow tube (5), fluid flow tube (5) below valve seat (3)
(7), standing valve block (7) includes standing valve block hole (8);It is characterized in that:The valve seat (3) is internally provided with hydraulic pressure timing certainly
Lock construction (4), hydraulic pressure timing self-locking structure (4) includes hydraulic cavities (41), hydraulic cavities upper piston (42), hydraulic cavities lower piston
(43) it is hydraulic cavities top above, drain pipe (44), feed tube (45), check valve (46) and flow-limiting valve (47), hydraulic cavities (41)
Piston (42), hydraulic cavities upper piston (42) is fixedly attached to below start button (1), hydraulic cavities (41) lives for hydraulic cavities bottom
Fill in (43), hydraulic cavities lower piston (43) is fixedly attached to movable valve rod (6) upper end, and hydraulic cavities (41) middle and upper part side is provided with
Drain pipe (44) and feed tube (45), drain pipe (44) and feed tube (45) are commonly connected to fluid flow tube (5) liquid feeding end, drain pipe
(44) check valve (46) is installed, feed tube (45) is provided with flow-limiting valve (47), and the liquid flow path direction of check valve (46) is by hydraulic cavities
(41) to fluid flow tube (5), hydraulic cavities (41) middle and lower part madial wall is provided with limited block (48).
2. non-energy consumption self-locking timing hydraulic valve according to claim 1, it is characterised in that:The hydraulic pressure timing self-locking structure
(4)Hydraulic cavities lower piston(43)Lower section is additionally provided with power assistant spring(49), hydraulic cavities lower piston(43)During in a high position,
Its power assistant spring(49)For nature, its power assistant spring(49)Coefficient of elasticity be less than push-button reset spring(2)Elasticity system
Number.
3. non-energy consumption self-locking timing hydraulic valve according to claim 1 or claim 2, it is characterised in that:The hydraulic pressure timing
The upper and lower cavity of the hydraulic cavities (41) of self-locking structure (4) point, upper cavity diameter is more than lower chamber diameter, a diameter of 40mm of upper cavity
To 60mm, lower chamber a diameter of 20mm to 40mm.
4. non-energy consumption self-locking timing hydraulic valve according to claim 3, it is characterised in that:The hydraulic pressure timing self-locking structure
(4) free travel of hydraulic cavities lower piston (43) is 20mm to 40mm, the flow velocity of the flow-limiting valve (47) for 2mL/s extremely
20mL/s。
5. non-energy consumption self-locking timing hydraulic valve according to claim 4, it is characterised in that:The flow-limiting valve (47) is flow velocity
Adjustable restrictor, its current limliting adjustable range is 2mL/s to 20mL/s.
6. non-energy consumption self-locking timing hydraulic valve according to claim 5, it is characterised in that:Valve seat (3) material is not
Rust steel or aluminium alloy or titanium alloy material.
7. non-energy consumption self-locking timing hydraulic valve according to claim 6, it is characterised in that:Movable valve rod (6) lower end
Effective bluff body be cone, circular cone top surface be choked flow face, choked flow Impact direction is parallel to movable valve rod (6) axis direction.
8. non-energy consumption self-locking timing hydraulic valve according to claim 6, it is characterised in that:Movable valve rod (6) lower end
Effective bluff body be square-panel, the side of square-panel is choked flow face, and choked flow Impact direction is perpendicular to movable valve rod (6) axis side
To.
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CN201510348446.8A CN104989864B (en) | 2015-06-23 | 2015-06-23 | A kind of non-energy consumption self-locking timing hydraulic valve |
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CN201510348446.8A CN104989864B (en) | 2015-06-23 | 2015-06-23 | A kind of non-energy consumption self-locking timing hydraulic valve |
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CN104989864B true CN104989864B (en) | 2017-09-15 |
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CN201510348446.8A Expired - Fee Related CN104989864B (en) | 2015-06-23 | 2015-06-23 | A kind of non-energy consumption self-locking timing hydraulic valve |
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CN107883026B (en) * | 2018-01-06 | 2023-09-29 | 微山县日泰地暖工程有限公司 | Two-way leak-proof water valve |
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CH661333A5 (en) * | 1983-05-19 | 1987-07-15 | Sulzer Ag | Pressure-operated valve device |
SU1668800A1 (en) * | 1989-07-12 | 1991-08-07 | Московское Научно-Производственное Объединение "Нефтегазавтоматика" | Shut-off valve |
US6923205B2 (en) * | 2002-10-31 | 2005-08-02 | Lindsay Manufacturing Co. | Pressure regulator and shut-off valve |
JP4364036B2 (en) * | 2004-03-30 | 2009-11-11 | 大日本スクリーン製造株式会社 | Single-acting air cylinder valve and substrate processing apparatus having the same |
US8156960B2 (en) * | 2009-03-27 | 2012-04-17 | Caterpillar Inc. | Servo pressure control valve |
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