CN109139947A - A kind of non-through formula is surged valve piston apparatus - Google Patents
A kind of non-through formula is surged valve piston apparatus Download PDFInfo
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- CN109139947A CN109139947A CN201811095450.8A CN201811095450A CN109139947A CN 109139947 A CN109139947 A CN 109139947A CN 201811095450 A CN201811095450 A CN 201811095450A CN 109139947 A CN109139947 A CN 109139947A
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- pressure
- cavity
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- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000007787 solid Substances 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 60
- 238000005086 pumping Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 16
- 239000003921 oil Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000007667 floating Methods 0.000 description 6
- 230000007480 spreading Effects 0.000 description 6
- 238000003892 spreading Methods 0.000 description 6
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- 241000283986 Lepus Species 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
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- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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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
- F16K31/1223—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being acted upon by the circulating fluid
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Driven Valves (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a kind of plate valve system with non-through formula piston, the piston unit at end is opened or closed and be arranged on including flap type, the driving flap type and the valve deck unit at its both ends is covered and be set to for the flap type；The piston unit further includes the cavity, piston only and valve rod with sliding space, the piston only is set in the cavity and is integral type solid construction, the valve rod upper end is connect with the piston only, and lower end is connected with the valve plate being set in the flap type.Beneficial effects of the present invention: first is that by plunger designs be it is solid, from without leakage point, sealing performance is safe and reliable；Second is that not needing design seal groove on valve rod, the diameter of valve rod can be increased suitably, improve the intensity of valve rod.
Description
Technical field
It surges valve piston apparatus the present invention relates to the technical field of valve arrangement more particularly to a kind of non-through formula.
Background technique
Valve is for being opened and closed pipeline, control flow direction, the parameter (temperature, pressure and flow) of regulation and control pumped (conveying) medium
Pipeline fittings, wherein hydraulic control valve, function of the abbreviation hydraulic valve in hydraulic system is by controlling to adjust hydraulic system
Flow direction, pressure and the flow of middle oil liquid, the direction of motion, thrust and fortune needed for obtaining the operating mechanism of actuator and its driving
Dynamic speed etc., and the actuator be it is a kind of the driving device of straight line or rotary motion can be provided, it using certain drive energy simultaneously
Certain control signal function under work, actuator using liquid, gas, electric power or other energy and by motor, cylinder or
Other devices convert it into driving effect, to drive the stem movement on valve, to realize closing and Open valve, such as ball
Shape plug valve, gate and valve in the form of piston.
The current existing valve piston structure that surges is through formula, and there are four defects for this penetration type structure: first is that
Use rubber seal between piston and valve rod, and rubber material using after a long time can aging, lead to sealing leak, exist certain
Security risk；Second is that stem diameter is small, intensity is low, be easy to cause valve stem crack；Third is that the connection of piston and valve rod is easy pine
It is dynamic, cause valve switch not in place；Fourth is that indicating arm is easy to loosen and fall off, if cannot find in time, scene is likely to occur people
Member's injures and deaths.
Summary of the invention
The purpose of this section is to summarize some aspects of the embodiment of the present invention and briefly introduce some preferable implementations
Example.It may do a little simplified or be omitted to avoid our department is made in this section and the description of the application and the title of the invention
Point, the purpose of abstract of description and denomination of invention it is fuzzy, and this simplification or omit and cannot be used for limiting the scope of the invention.
In view of above-mentioned existing problem, the present invention is proposed.
Therefore, it is an object of the present invention to provide a kind of non-through formula piston apparatus, have structure simple, sealing performance is reliable,
Can be used for a long time, valve rod intensity is high, connecting portion securely, be easily installed, dismantle, safe and reliable and certifiable valve is opened
The characteristics of closing in place.
In order to solve the above technical problems, the invention provides the following technical scheme: a kind of plate with non-through formula piston
Valve system including flap type, drives the plate threshold switch and is arranged on the piston unit at end and is used for the plate
Jam pot cover lid and the valve deck unit for being set to its both ends；The piston unit further includes the cavity with sliding space, piston only
And valve rod, the piston only are set in the cavity and are integral type solid construction, the valve rod upper end and the work
Plug body connection, lower end is connected with the valve plate being set in the flap type.
A kind of preferred embodiment as the plate valve system of the present invention with non-through formula piston, in which: described
Piston only further includes the upper installation cavity that upper and lower end non-through is arranged and lower installation cavity and matches respectively with the two chamber profile
Upper fixing element and lower fixing piece；The part that indicating arm penetrates through fixed part and its end is extended is provided with upper limit
Portion, fixed part can be embedded in the upper installation cavity, and the bottom of the upper installation cavity is butted on by the upper limit portion
Portion；The valve rod penetrates through the lower fixing piece and end is limited by lower limit portion, the lower fixing piece can be embedded in it is described under
In installation cavity, and it is butted on by the lower limit portion top of the lower installation cavity.
A kind of preferred embodiment as the plate valve system of the present invention with non-through formula piston, in which: described
Piston only further includes the fixation hole for being set to two sides, bayonet lock part, adjusting block and seal groove；The adjusting block by screw thread with
The piston only is connected, and makes itself to move up and down by rotating the adjusting block, when the adjusting block is located at suitable position,
The adjusting block is passed through with the bayonet lock part, the part extended is inserted into being threadedly engaged in the fixation hole, makes to adjust
Block cannot rotate, and be always positioned at suitable position, and the seal groove setting sealing ring and the cavity inner wall act on.
A kind of preferred embodiment as the plate valve system of the present invention with non-through formula piston, in which: described
Upper installation cavity and lower installation chamber inner sidewall are respectively provided with card slot, and fixed part and lower fixing piece are respectively provided with to match with the card slot
The retaining ring of conjunction, the retaining ring can be embedded in the card slot loosening for preventing fixed part and lower fixing piece.
A kind of preferred embodiment as the plate valve system of the present invention with non-through formula piston, in which: described
Piston unit further include the enterprising pressure mouth for being set to lateral wall, under into pressure mouth and be set to the upper opening and lower peace of upper and lower end
Fill mouth；The enterprising pressure mouth, under into pressure mouth be separately connected pressure source, push the piston only to be located at by different pressure
It is moved in the cavity；Described indicating arm one end is connect with the piston only, and the other end passes through in the upper opening and passes through
Sealing block realizes sealing；Described valve rod one end is connect with the piston only, the other end pass through the lower installing port after with it is described
Valve plate connection.
A kind of preferred embodiment as the plate valve system of the present invention with non-through formula piston, in which: described
Flap type further includes pipeline, valve chamber and valve seat；The valve chamber is connected to the pipeline cross, and the valve seat is set to the valve
Intracavitary, the valve plate is set in the valve seat and is driven up and down by the valve rod, realizes the opening and closing of the valve seat.
A kind of preferred embodiment as the plate valve system of the present invention with non-through formula piston, in which: described
Valve deck unit further includes the bonnet, and bottom flange for being arranged on lower end；Mounting portion, the peace is arranged in the bonnet, upper end
Dress portion is inserted into the lower installing port by being threadedly engaged installation, and the valve rod passes through the bonnet, and the valve plate connects
It connects；The bottom flange further includes the tail-hood connecting with flap type bottom end, nested hood and the setting being set in the tail-hood
Foot piece in the tail-hood and hood.
A kind of preferred embodiment as the plate valve system of the present invention with non-through formula piston, in which: also wrap
Include pressure unit, the pressure unit by oil circuit route and the enterprising pressure mouth and it is described under into pressing mouth to connect, described in promotion
Piston only moves up and down.
A kind of preferred embodiment as the plate valve system of the present invention with non-through formula piston, in which: described
Pressure unit includes Pneumatic hydraulic pumping system, manual pump, accumulator, control valve and several pressure indicating meters；By the gas
Hydrodynamic pump system generates high voltage control liquid and is stored in the accumulator；When needing to open or close hydraulic operated valve, from described
The high voltage control liquid of accumulator can open or close control object connected to it by the control valve；And pass through the hand
Dynamic pump can also guarantee the normal work of system in the case where breaking gas source.
A kind of preferred embodiment as the plate valve system of the present invention with non-through formula piston, in which: described
Pneumatic hydraulic pumping system further include sequentially connected oil sprayer, pressure regulator valve, the Pneumatic hydraulic pump assembly being made of air-driven hydraulic pump,
Overflow valve and shut-off valve；The Pneumatic hydraulic pumping system connect with extraneous gas source, and the overflow valve can rapid overflow, guarantor
Card system safety.
Beneficial effects of the present invention: first is that by plunger designs be it is solid, from without leakage point, sealing performance safely may be used
It leans on；Second is that not needing design seal groove on valve rod, the diameter of valve rod can be increased suitably, improve the intensity of valve rod；Third is that logical
It crosses retaining ring to fix, it is therefore prevented that the loosening between piston, valve rod and attachment device；Fourth is that piston, valve rod, indicating arm, adjusting nut,
Connection between fixed device and attachment device is connected through a screw thread, and structure is simple, is easily installed, dismantles；Fifth is that indicating arm
It is fixed by fixed device and retaining ring, it is ensured that indicating arm will not fall off；Sixth is that adjusting nut regulating piston stroke can be passed through, it is ensured that
Valve switch is in place；Seventh is that being furnished with two sets of independent power sources, it can guarantee that system is normal in the case where breaking gas source
Work and overflow valve can rapid overflow, guarantee system safety.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without any creative labor, it can also be obtained according to these attached drawings other
Attached drawing.Wherein:
Fig. 1 is the overall structure signal of the plate valve system with non-through formula piston described in the first embodiment of the invention
Figure；
Fig. 2 is the knot of piston only in the plate valve system with non-through formula piston described in second of embodiment of the invention
Structure schematic diagram；
Fig. 3 is the quick-fried of piston only in the plate valve system with non-through formula piston described in second of embodiment of the invention
Fried structural schematic diagram；
Fig. 4 is the whole of piston unit in the plate valve system with non-through formula piston described in second of embodiment of the invention
Body structural schematic diagram；
Fig. 5 is pressure unit and work in the plate valve system with non-through formula piston described in the third embodiment of the invention
Fill in the connection schematic diagram of unit；
Fig. 6 is the original of pressure unit in the plate valve system with non-through formula piston described in the third embodiment of the invention
Manage structural schematic diagram；
Fig. 7 is safty shield in the plate valve system with non-through formula piston described in the 4th kind of embodiment of the invention
Overall structure diagram；
Fig. 8 is safty shield in the plate valve system with non-through formula piston described in the 4th kind of embodiment of the invention
Schematic cross-sectional view.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, right with reference to the accompanying drawings of the specification
A specific embodiment of the invention is described in detail, it is clear that and described embodiment is a part of the embodiments of the present invention, and
It is not all of embodiment.Based on the embodiments of the present invention, ordinary people in the field is without making creative work
Every other embodiment obtained, all should belong to the range of protection of the invention.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
Secondly, " one embodiment " or " embodiment " referred to herein, which refers to, may be included at least one realization side of the invention
A particular feature, structure, or characteristic in formula." in one embodiment " that different places occur in the present specification not refers both to
The same embodiment, nor the individual or selective embodiment mutually exclusive with other embodiments.
Thirdly, combination schematic diagram of the present invention is described in detail, when describing the embodiments of the present invention, for purposes of illustration only,
Indicate that the sectional view of device architecture can disobey general proportion and make partial enlargement, and the schematic diagram is example, herein not
The scope of protection of the invention should be limited.In addition, the three-dimensional space of length, width and depth should be included in actual fabrication.
Simultaneously in the description of the present invention, it should be noted that the orientation of the instructions such as " upper and lower, inner and outer " in term
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It is not considered as limiting the invention.In addition, term " first, second or third " is used for description purposes only, and cannot understand
For indication or suggestion relative importance.
In the present invention unless otherwise clearly defined and limited, term " installation is connected, connection " shall be understood in a broad sense, example
Such as: may be a fixed connection, be detachably connected or integral type connection；It equally can be mechanical connection, be electrically connected or be directly connected to,
Can also indirectly connected through an intermediary, the connection being also possible to inside two elements.For the ordinary skill people of this field
For member, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment 1
Such as the signal of Fig. 1, the overall structure for illustrating plate valve system of the present embodiment with non-through formula piston is shown
It is intended to, including flap type 100, piston unit 200 and valve deck unit 300.Specifically, the system includes flap type 100, driving
Flap type 100 opens or closes and is arranged on the piston unit 200 at end and covers for flap type 100 and be set to its both ends
Valve deck unit 300.Further, flap type 100 is the slide-valve that a kind of closure member is parallel gate plate, and closure member can be with
Single disc or the double disc therebetween with spreading mechanism, flashboard to the pressing force of valve seat be by acting on floating flashboard or floating
The pressure medium of valve seat is moved to control, if it is double disc flat gate valves, then the spreading mechanism between two flashboards can supplement this
Pressing force, and flat gate valve can be divided into manual platform gate valve, Pneumatic flat-plate gate valve and driven plate gate valve by driving method.This reality
Applying example is single valve plate, and being turned on or off for flap type 100 is driven by piston unit 200, by adopting in this present embodiment
It is the hydraulic piston for power, therefore reduces to the greatest extent using rubber material, rubber material use after all after a long time can be old
Change, lead to sealing leak, there are problems that some potential safety problems, piston unit 200 further includes having sliding in the present embodiment
Cavity 201, piston only 202 and the valve rod 203 in space, piston only 202 are set in cavity 201 and real for integral type
Core structure, 203 upper end of valve rod are connect with piston only 202, and lower end is connected with the valve plate 101 being set in flap type 100
It connects.It should be noted that piston only 202 can slide up and down in cavity 201, by infusing into 201 one end of cavity
Enter it is hydraulic cause in cavity 201 pressure to increase, so that it is mobile to the lesser one end of pressure to push piston only 202, otherwise similarly,
And the signal in such as figure of valve deck unit 300, the mode being fixed by bolts are installed on the both ends of flap type 100.
Further, in the present embodiment, flap type 100 further includes pipeline 102, valve chamber 103 and valve seat 104；Valve chamber
103 are connected to 102 cross of pipeline, and valve seat 104 is set in valve chamber 103, and valve plate 101 is set in valve seat 104 and by valve rod
About 203 drive, and realize the opening and closing of valve seat 104, valve deck unit 300 further includes the bonnet, for being arranged on lower end
301 and bottom flange 302；Mounting portion 301a is arranged in 301 upper end of bonnet, and mounting portion 301a, which is inserted into lower installing port 208, passes through spiral shell
Line is coupled, and valve rod 203 passes through bonnet, 301 and connect with valve plate 101；Bottom flange 302 further includes and 100 bottom end of flap type
The hood 302b and be set in tail-hood 302a and hood 302b that the tail-hood 302a of connection, nesting are set in tail-hood 302a
Foot piece 302c.It is 101 stress balance of valve plate in the case where valve chamber 103 has pressure that the purpose of foot piece 302c is arranged herein, really
It protects and is in valve wide open or full off state, valve plate is avoided to be moved up by the pressure of medium.
Embodiment 2
Referring to the signal of Fig. 2~4, in the present embodiment in order to realize the more firm connection of the part of piston and valve rod, from
And be less likely to occur to loosen in up and down direction, with one embodiment the difference is that: piston only 202 further includes upper and lower
Hold the upper installation cavity 202a and lower installation cavity 202b of non-through setting and the upper fixing element to match respectively with the two chamber profile
202c and lower fixing piece 202d.Specifically, the system includes flap type 100, the on or off of driving flap type 100 and is arranged on
The piston unit 200 at end and the valve deck unit 300 that its both ends is covered and be set to for flap type 100.Further, plate
Valve 100 is the slide-valve that a kind of closure member is parallel gate plate, and closure member can be single disc or therebetween with spreading mechanism
Double disc, flashboard be to the pressing force of valve seat controlled by acting on the pressure medium of floating flashboard or floating valve seat, if
It is double disc flat gate valves, then the spreading mechanism between two flashboards can supplement this pressing force, and flat gate valve presses driving method
Manual platform gate valve, Pneumatic flat-plate gate valve and driven plate gate valve can be divided into.The present embodiment is single valve plate, and passes through piston unit
200 drive being turned on or off for flap type 100, by this present embodiment using the hydraulic piston for power, therefore
Reduce to the greatest extent using rubber material, after all rubber material using after a long time can aging, lead to sealing leak, there are certain peaces
The problem of full hidden danger, in the present embodiment piston unit 200 further include the cavity 201 with sliding space, piston only 202 and
Valve rod 203, piston only 202 are set in cavity 201 and are integral type solid construction, 203 upper end of valve rod and piston only 202
Connection, lower end is connected with the valve plate 101 being set in flap type 100.It should be noted that piston only 202 can be
Slides up and down in cavity 201, by injected into 201 one end of cavity it is hydraulic lead to pressure increase in cavity 201, thus
It is mobile to the lesser one end of pressure to push piston only 202, otherwise similarly, and the signal in such as figure of valve deck unit 300, using spiral shell
The fixed mode of bolt is installed on the both ends of flap type 100.Further, in the present embodiment, flap type 100 further includes pipeline
102, valve chamber 103 and valve seat 104；Valve chamber 103 is connected to 102 cross of pipeline, and valve seat 104 is set in valve chamber 103, valve plate
101 are set in valve seat 104 and are driven by about 203 valve rod, realize the opening and closing of valve seat 104, valve deck unit 300 is also
Bonnet, 301 and bottom flange 302 including being arranged on lower end；Mounting portion 301a, mounting portion is arranged in 301 upper end of bonnet,
301a is inserted into lower installing port 208 by being threadedly engaged installation, and valve rod 203 passes through bonnet, 301 and connect with valve plate 101；Under
Valve deck 302 further include the tail-hood 302a being connect with 100 bottom end of flap type, the nested hood 302b being set in tail-hood 302a and
The foot piece 302c being set in tail-hood 302a and hood 302b.It is to have pressure in valve chamber 103 that the purpose of foot piece 302c is arranged herein
In the case where, 101 stress balance of valve plate, it is ensured that be in valve wide open or full off state, avoid valve plate receive medium pressure and
It moves up.
Further, the part that indicating arm 204 penetrates through upper fixing element 202c and its end is extended is provided with upper limit
Portion 204a, upper fixing element 202c can be embedded in installation cavity 202a, and be butted on upper installation cavity 202a by upper limit portion 204a
Bottom；Valve rod 203 penetrates through lower fixing piece 202d and end is limited by lower limit portion 203a, and lower fixing piece 202d can be embedding
Enter in lower installation cavity 202b, and is butted on the top of lower installation cavity 202b by lower limit portion 203a.It should be noted that when referring to
Show that the intracavity space for the profiles and upper installation cavity 202a that bar 204 penetrates through upper fixing element 202c the latter two compositions is adapted, and it is interior
Cavity space is the step structure that three sections of internal diameters gradually decrease, and every rank is inconsistent with upper fixing element 202c, and upper fixing element 202c
With upper installation cavity 202a by being threadedly engaged installation, i.e. upper fixing element 202c and upper installation cavity 202a be respectively provided with male and female nut or
Person is on the contrary, similarly for lower fixing piece 202d.
Further, in order to prevent upper fixing element 202c and lower fixing piece 202d be respectively embedded into upper installation cavity 202a and
Loosening after in lower installation cavity 202b, upper installation cavity 202a and lower installation cavity 202b inner sidewall are respectively provided with card slot in the present embodiment
202i, upper fixing element 202c and lower fixing piece 202d are respectively provided with the retaining ring 202d-1 matched with card slot 202i, retaining ring 202d-1
The loosening for preventing upper fixing element 202c and lower fixing piece 202d can be embedded in card slot 202i.Herein it should be noted that the gear
Enclosing 202d-1 has certain elasticity, rotation upper fixing element 202c install in supreme installation cavity 202a and in place after, can pass through
It is first contracted in upper installation cavity 202a with pliers by this retaining ring 202d-1, popular says, those skilled in the art are it is not difficult to find that certainly
Upper fixing element 202c peace can also be then rotated by being first contracted in upper fixing element 202c with pliers by this retaining ring 202d-1
During being filled in installation cavity 202a, when retaining ring 202d-1, which enters upper installation cavity 202a, to be blocked, pliers is unclamped again, by
Being stuck in card slot 202i after the effect retaining ring 202d-1 of elasticity restores deformation prevents from loosening.
Further, piston only 202 further includes the fixation hole 202e for being set to two sides, bayonet lock part in the present embodiment
202f, adjusting block 202g and seal groove 202h；Adjusting block 202g is connected by screw thread with piston only 202, is adjusted by rotation
Locking nub 202g makes itself to move up and down, when adjusting block 202g is located at suitable position, with bayonet lock part 202f across adjusting block 202g,
Its part extended is inserted into being threadedly engaged in fixation hole 202e, prevents adjusting block 202g from rotating, it is suitable to be always positioned at
Position, it is also necessary to explanation, referring to the signal of Fig. 2 and 3, adjusting block 202g is connected by screw thread with piston only 202, tune
Locking nub 202g is ring block, is sheathed on piston only 202, and the helicitic texture worked in coordination is arranged in the part of the two contact,
Because, since the position of piston only 202 is fixed, adjusting block 202g is in helicitic texture when rotating adjusting block 202g
Under the action of movement upwardly or downwardly can occur, moved up and down by this kind and piston stroke enabled to shorten or become
It is long, the movement travel of piston is finely tuned, final purpose is that valve plate hole center is allowed to be directed at valve channel center, and jack rabbit is enable to pass through valve
Door, adjusting block 202g is located at the inside of piston unit 200 herein certainly, is dismantled the height that can be just adjusted to needs,
Finally installed and used.And seal groove 202h setting sealing ring and the effect of 201 inner wall of cavity prevent the leakage of hydraulic oil.
Further, in the present embodiment also with last embodiment the difference is that: piston unit 200 further include setting
In lateral wall enterprising pressure mouth 205, under into pressure mouth 206 and be set to upper and lower end upper opening 207 and lower installing port 208；On
Into pressure mouth 205, under into pressure mouth 206 be separately connected pressure source, push piston only 202 to be located in cavity by different pressure
It is moved in 201；204 one end of indicating arm is connect with piston only 202, and the other end passes through in upper opening 207 and passes through sealing block
207a realizes that sealing prevents from revealing；203 one end of valve rod is connect with piston only 202, the other end pass through lower installing port 208 after with valve
Plate 101 connects, and is similarly also to have sealing structure identical with sealing block 207a in lower installing port 208 for valve rod 203
It is sealed.It should be noted that mounting portion 301a is inserted into lower installing port 208 by being threadedly engaged installation, spiral shell is equally used
Line mounting means, can refer to the prior art realize and enterprising pressure mouth 205, under into pressing mouth 206 to connect with external pressure source, and
Cavity 201 divides into epicoele and cavity of resorption by piston only 202, and enterprising pressure mouth 205 is connected to epicoele, under into pressure mouth 206 be connected to cavity of resorption,
When pressure is inconsistent in upper cavity pressure and cavity of resorption, piston only 202 can be driven mobile to the lesser one end of pressure therefore real
Now with the movement of ovable valve stem.
Embodiment 3
Referring to Fig. 5~6 signal, the present embodiment by the way of hydraulic-driven, therefore in the present embodiment with above-mentioned implementation
Unlike example, also provide a kind of pressure unit 400 being connected with piston, pressure unit 400 pass through oil circuit route with it is enterprising
It presses mouth 205 to connect under into pressure mouth 206, pushes moving up and down for piston only 202, oil circuit route for example can be latus rectum folder one
The pressure resistant rubber hose line of layer wire, length can voluntarily be selected according to user.Specifically, the system includes flap type 100, drives
The dynamic on or off of flap type 100 and be arranged on the piston unit 200 at end and covered for flap type 100 and be set to its two
The valve deck unit 300 at end.Further, flap type 100 is the slide-valve that a kind of closure member is parallel gate plate, and closure member can be with
Single disc or the double disc therebetween with spreading mechanism, flashboard to the pressing force of valve seat be by acting on floating flashboard or floating
The pressure medium of valve seat is moved to control, if it is double disc flat gate valves, then the spreading mechanism between two flashboards can supplement this
Pressing force, and flat gate valve can be divided into manual platform gate valve, Pneumatic flat-plate gate valve and driven plate gate valve by driving method.This reality
Applying example is single valve plate, and being turned on or off for flap type 100 is driven by piston unit 200, by adopting in this present embodiment
It is the hydraulic piston for power, therefore reduces to the greatest extent using rubber material, rubber material use after all after a long time can be old
Change, lead to sealing leak, there are problems that some potential safety problems, piston unit 200 further includes having sliding in the present embodiment
Cavity 201, piston only 202 and the valve rod 203 in space, piston only 202 are set in cavity 201 and real for integral type
Core structure, 203 upper end of valve rod are connect with piston only 202, and lower end is connected with the valve plate 101 being set in flap type 100.
It should be noted that piston only 202 can slide up and down in cavity 201, by injecting into 201 one end of cavity
It is hydraulic that pressure in cavity 201 is caused to increase, so that it is mobile to the lesser one end of pressure to push piston only 202, otherwise similarly, and
Signal in such as figure of valve deck unit 300, the mode being fixed by bolts are installed on the both ends of flap type 100.Further, at this
In embodiment, flap type 100 further includes pipeline 102, valve chamber 103 and valve seat 104；Valve chamber 103 is connected to 102 cross of pipeline,
Valve seat 104 is set in valve chamber 103, and valve plate 101 is set in valve seat 104 and is driven by about 203 valve rod, realizes valve seat 104
Opening and closing, valve deck unit 300 further includes the bonnet, 301 and bottom flange 302 for being arranged on lower end；Bonnet, 301
Mounting portion 301a is arranged in upper end, and mounting portion 301a is inserted into lower installing port 208 by being threadedly engaged installation, and valve rod 203 passes through
Bonnet, 301 is connect with valve plate 101；Bottom flange 302 further includes the tail-hood 302a connecting with 100 bottom end of flap type, nested setting
In the hood 302b in the tail-hood 302a and foot piece 302c being set in tail-hood 302a and hood 302b.Foot piece is set herein
The purpose of 302c is 101 stress balance of valve plate in the case where valve chamber 103 has pressure, it is ensured that is in valve wide open or Quan Guanzhuan
State avoids valve plate from being moved up by the pressure of medium.
Further, the part that indicating arm 204 penetrates through upper fixing element 202c and its end is extended is provided with upper limit
Portion 204a, upper fixing element 202c can be embedded in installation cavity 202a, and be butted on upper installation cavity 202a by upper limit portion 204a
Bottom；Valve rod 203 penetrates through lower fixing piece 202d and end is limited by lower limit portion 203a, and lower fixing piece 202d can be embedding
Enter in lower installation cavity 202b, and is butted on the top of lower installation cavity 202b by lower limit portion 203a.It should be noted that when referring to
Show that the intracavity space for the profiles and upper installation cavity 202a that bar 204 penetrates through upper fixing element 202c the latter two compositions is adapted, and it is interior
Cavity space is the step structure that three sections of internal diameters gradually decrease, and every rank is inconsistent with upper fixing element 202c, and upper fixing element 202c
With upper installation cavity 202a by being threadedly engaged installation, i.e. upper fixing element 202c and upper installation cavity 202a be respectively provided with male and female nut or
Person is on the contrary, similarly for lower fixing piece 202d.
Further, in order to prevent upper fixing element 202c and lower fixing piece 202d be respectively embedded into upper installation cavity 202a and
Loosening after in lower installation cavity 202b, upper installation cavity 202a and lower installation cavity 202b inner sidewall are respectively provided with card slot in the present embodiment
202i, upper fixing element 202c and lower fixing piece 202d are respectively provided with the retaining ring 202d-1 matched with card slot 202i, retaining ring 202d-1
The loosening for preventing upper fixing element 202c and lower fixing piece 202d can be embedded in card slot 202i.Herein it should be noted that the gear
Enclosing 202d-1 has certain elasticity, rotation upper fixing element 202c install in supreme installation cavity 202a and in place after, can pass through
It is first contracted in upper installation cavity 202a with pliers by this retaining ring 202d-1, popular says, those skilled in the art are it is not difficult to find that certainly
Upper fixing element 202c peace can also be then rotated by being first contracted in upper fixing element 202c with pliers by this retaining ring 202d-1
During being filled in installation cavity 202a, when retaining ring 202d-1, which enters upper installation cavity 202a, to be blocked, pliers is unclamped again, by
Being stuck in card slot 202i after the effect retaining ring 202d-1 of elasticity restores deformation prevents from loosening.
Further, piston only 202 further includes the fixation hole 202e for being set to two sides, bayonet lock part in the present embodiment
202f, adjusting block 202g and seal groove 202h；Adjusting block 202g is connected by screw thread with piston only 202, is adjusted by rotation
Locking nub 202g makes itself to move up and down, when adjusting block 202g is located at suitable position, with bayonet lock part 202f across adjusting block
(202g), the part extended are inserted into being threadedly engaged in fixation hole 202e, prevent adjusting block 202g from rotating, always position
In suitable position, making itself to move up and down by rotating adjusting block 202g enables to piston stroke to shorten or elongated, micro-
The movement travel of piston is adjusted, final purpose is that valve plate hole center is allowed to be directed at valve channel center, and jack rabbit is enable to pass through valve.And
Seal groove 202h setting sealing ring and the effect of 201 inner wall of cavity prevent the leakage of hydraulic oil.
Further, in the present embodiment also with last embodiment the difference is that: piston unit 200 further include setting
In lateral wall enterprising pressure mouth 205, under into pressure mouth 206 and be set to upper and lower end upper opening 207 and lower installing port 208；On
Into pressure mouth 205, under into pressure mouth 206 be separately connected pressure source, push piston only 202 to be located in cavity by different pressure
It is moved in 201；204 one end of indicating arm is connect with piston only 202, and the other end passes through in upper opening 207 and passes through sealing block
207a realizes that sealing prevents from revealing；203 one end of valve rod is connect with piston only 202, the other end pass through lower installing port 208 after with valve
Plate 101 connects.It should be noted that mounting portion 301a is inserted into lower installing port 208 by being threadedly engaged installation, spiral shell is equally used
Line mounting means, can refer to the prior art realize and enterprising pressure mouth 205, under into pressing mouth 206 to connect with external pressure source, and
Cavity 201 divides into epicoele and cavity of resorption by piston only 202, and enterprising pressure mouth 205 is connected to epicoele, under be connected into pressure mouth 206 under
Chamber can drive piston only 202 mobile to the lesser one end of pressure when pressure is inconsistent in upper cavity pressure and cavity of resorption, because
This realizes the movement with ovable valve stem.
Pressure unit 400 includes Pneumatic hydraulic pumping system, manual pump, accumulator, control valve and several in the present embodiment
Pressure indicating meter (including gas source table, air gauge and oil pressure gauge)；The open and close pipeline of control valve is distinguished by oil circuit pipeline
With enterprising pressure mouth 205, under be connected into pressure mouth 206, inject different pressure and realize drive control to piston only 202.By
Pneumatic hydraulic pumping system generates high voltage control liquid and is stored in accumulator；When needing to open or close hydraulic operated valve, accumulator is come from
High voltage control liquid control object connected to it can be opened or closed by control valve；And it can broken by manual pump
Also it can guarantee the normal work of system in the case where gas source；And Pneumatic hydraulic pumping system further includes sequentially connected mist of oil
Device, pressure regulator valve, Pneumatic hydraulic pump assembly, overflow valve and the shut-off valve being made of air-driven hydraulic pump；Pneumatic hydraulic pumping system with
The connection of extraneous gas source, and overflow valve can rapid overflow, guarantee system safety.
It should be further noted that the present embodiment control object includes three referring to illustrating in figure, connect with control valve
Connect, wherein oil sprayer be existing device, in pneumatic fluid transmission system, power be by the compressed air in closed circuit come
It transmits and controls, the occasion lubricated is needed in air dielectric, oil sprayer is exactly that the lubricant of needs is designed to be added to
Component in air stream is a kind of special oiling device, and lubricating oil is atomized and is injected in air stream by it, with compression
Air flows into the position for needing to lubricate, and achievees the purpose that lubrication.Pressure regulator valve, overflow valve, shut-off valve can use existing presence
's.For the pump of manual pump and a kind of existing manually strength, such as Unidirectional manual oil pump is by armstrong's patent energy
Be converted to a kind of small size hydraulic pump station of hydraulic energy.Control valve is equally existing to be made of two main sub-assemblies:
Valve body sub-assembly and executing agency's sub-assembly (or actuator system) are divided into four big series: single seat series of control valves, two-seater system
Column control valve, sleeve series of control valves and self-operated type series of control valves can control the switch of pipeline.
Embodiment 4
If the signal of Fig. 7~8 is provided with upper opening 207 in the top of piston unit 200 referring in above-described embodiment, and
204 one end of indicating arm is connect with piston only 202, and the other end passes through upper opening 207 and slides up and down, and carries out operation in piston
When, there can be a large amount of dust granule since upper opening 207 is exposed in air, in the air under adverse circumstances and fall to
In upper opening 207, thus what the dust fallen in relative motion gap between indicating arm 204 and upper opening 207 both caused
Movement abrasion increases, and can have certain abrasion of particles lubricating oil is added, seriously affect using effect and the longevity of piston
Life.Therefore abrasion caused by dust is fallen by upper opening 207 in order to effectively reduce, the present embodiment it is unlike the embodiments above it
Be in: safty shield 500 is set above upper opening 207, and the safty shield 500 is dust-proof for upper opening 207, and refers to
Show that bar 204 is exposed constantly to do stretching motion outside there is certain security threat, therefore safty shield to extraneous operator
500 also have the safety protection function for indicating arm 204, herein it should also be noted that, safty shield 500 and upper opening
Mounting means between 207 realized using the prior art, and those skilled in the art are it is not difficult to find that such as safty shield 500
Opening is arranged inwardly and slot of the inner surface with box thread in bottom, while the extension that upper opening 207 raises upward just corresponds to
Insertion is arranged between male thread and slot equipped with box thread on 207 lateral wall of upper opening and carries out in the slot of box thread
Cooperation, when safty shield 500 to be transferred in upper opening 207, can be realized installation between the two；In another example directly will peace
After full protection cover 500 is placed in upper opening 207, bolt is set in 500 bottom surface surrounding of safty shield, is prevented safety with bolt
Connection, above-mentioned mounting means this field skill are installed between the bottom surface of shield 500 and the upper top surface of piston unit 200 to contact with each other
Art personnel combine the prior art to be fully able to realize, therefore this part of the present embodiment is not illustrated in figure.
Further, safty shield 500 further include cover 501, the linkage unit being set in cover 501 502 and
The overturning component 503 in 501 outside of cover is connect and is set to linkage unit 502, and linkage unit 502 and indicating arm 204 connect
It connecing, indicating arm 204 moves up and down with piston only 202, so that linkage unit 502 is driven to link, linkage unit
502 left-hand end and overturning component 503 are inconsistent, will overturn component 503 along with the movement of piston and contradict overturning, thus can also
It is enough in the movement travel of instruction piston.
More specifically, cover 501 is cylindrical shape, opens up on side wall and stretches out slot 501a, positioned at the upper of stretching slot 501a
Side's setting shutter 501b, shutter 501b are arranged at the longitudinal rail 501b-1 limit of 501 inner wall of cover, it is seen that
Longitudinal rail 501b-1 is the baffle of " L " type, can be located in guide rail and longitudinal sliding occurs, and the cross of shutter 501b
To width be greater than and stretch out slot 501a transverse notch width size, therefore when shutter 501b declines, can will stretch out slot 501a
The corresponding partial occlusion of notch effectively reduces dust and is entered in cover 501 by stretching slot 501a；And it is located at and stretches out slot 501a
Lower section inwardly along extended support plate 501c, be used to support linkage unit 502, which includes to extension bar
502a, lifter plate 502b, the first interlocking bar 502c, the second interlocking bar 502d and conflict idler wheel 502e, it should be noted that right
Extension bar 502a insertion 204 internal screw thread mode of indicating arm is installed, therefore is able to maintain synchronous up and down motion with indicating arm 204, should
Mounting means is with reference to the installation between safty shield 500 and upper opening 207, and those skilled in the art combine the signal of Fig. 7
It is not difficult to find that instruction can be inserted to extension bar 502a when safty shield 500 is embedded in and is rotatablely installed in upper opening 207
The rotational installation synchronized in bar 204, of course, it is possible to which the mode different by thread depth ratio setting, can be safety
Shield 500 is embedded in upper opening 207 and carries out after rotating certain distance, starts spiral shell between extension bar 502a and insertion indicating arm 204
Line cooperation is synchronous, can be achieved.Further, it is connected to the top of extension bar 502a with lifter plate 502b, to indicate
Bar 204 is able to maintain synchronous up and down motion to extension bar 502a and lifter plate 502b；First one end interlocking bar 502c passes through the
One axle bed 502c and lifter plate 502b are hinged, and one end of the other end and the second interlocking bar 502d is hinged by contradicting idler wheel 502e,
And second the other end of interlocking bar 502d pass through hinged between the second axle bed 502d-1 and support plate 501c, therefore work as indicating arm
204, extension bar 502a and lifter plate 502b are synchronized in the motion process being pressed downward, contradicts idler wheel 502e and is under pressure by stretching out
Slot 501a is stretched out and is contradicted to the inner wall of overturning component 503, and the process constantly pushed can contradict always overturning component 503 outward
Make its flip-over, when similarly moving upwards, contradicting idler wheel 502e can inwardly stretch, and overturning component 503 just not will receive outward
Conflict power.Further, overturning component 503 includes the torsional spring shaft 503a of bottom setting, it should be noted that torsional spring shaft
503a is using in the prior art with the shaft of spring torsion, in the present embodiment when contradicting idler wheel 502e and inwardly retracting, by turning round
Spring shaft 503a, which generates restoring force, makes to overturn component 503 with the trend to turn to the inside.
When under the present embodiment original state, illustrate for when valve is in the open state, when beginning, piston only 202
Above cavity 201, it should be noted that valve opening includes the two states for fully opening or not fully opening, is shown
Right, indicating arm 204 is in the distalmost end moved upwards on direction when fully opening, and it is understandable to be, when not fully opening
In half way, therefore the present embodiment, when valve fully opens, corresponding overturning component 503 is in a vertical state, and torsional spring turns
The spring of axis 503a is in the state that deformation occurs, and in order to which operator learns state at a glance, positioned at overturning component 503
Sign, such as the "ON" word that this implementation uses is arranged in lateral wall.
Further, it is moved gradually downward in piston only 202 and corresponds to flap type 100 and progressively close off, while plug body
202 move downward drive indicating arm 204, move downward to extension bar 502a and lifter plate 502b, contradict idler wheel 502e at this time
It is pressed down, due to the hinged setting of each fulcrum of linkage unit 502, contradicts idler wheel 502e and contradict from the stretching for stretching out slot 501a to turning over
On the inner wall for turning component 503, it is downwardly turned over using torsional spring shaft 503a as fulcrum, overturning component 503 is constituted with cover 501
Angle is continuously increased, and deformation occurs for the spring in torsional spring shaft 503a, and overturning component 503 has the trend of revolution, and the process
In stretch out the space that is located above the first interlocking bar 502c slot 501a when the first interlocking bar 502c decline and will increase, and shutter
501b is blocked the part that general who has surrendered stretches out that slot 501a is vacated under by gravity.Conversely, when valve is by closing to unlatching demand
When, indicating arm 204 moves upwards, the revolution trend that overturning component 503 has, in a vertical state after fully opening.Together
Sample, when the first interlocking bar 502c rises, shutter 501b is contradicted, its is upward, therefore realize that shutter 501b's is upper
It rises, falls volume dust granule in cover 501 to suitably reduce.According to above-mentioned those skilled in the art it is not difficult to find that in the present embodiment
The corresponding overturning component 503 of the distance that can rise or decline by indicating arm 204 and cover 501 constitute the size of angle, come
Indicate the degree that 100 valve plate of flap type is opened, such as simplest after valve fully opens, overturning component 503 is vertical, constitutes
Angle be 0, and indicating arm 204 is in the distalmost end that moves upwards, therefore the feature that can similarly obtain valve opening half is vertical
And to characteristic value when completely closing, similarly, the numerical value of the half of half it is also the same it is found that and so on, can with
Family calculates the actual needs of valve opening degree and carries out the instruction or rough instruction of specific value.
It should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferable
Embodiment describes the invention in detail, those skilled in the art should understand that, it can be to technology of the invention
Scheme is modified or replaced equivalently, and without departing from the spirit and scope of the technical solution of the present invention, should all be covered in this hair
In bright scope of the claims.
Claims (10)
1. a kind of plate valve system with non-through formula piston, it is characterised in that: described flat including flap type (100), driving
Plate valve (100) opens or closes and is arranged on the piston unit (200) at end and covers and be arranged for the flap type (100)
Valve deck unit (300) in its both ends；
The piston unit (200) further includes the cavity (201), piston only (202) and valve rod with sliding space
(203), the piston only (202) is set in the cavity (201) and is integral type solid construction, the valve rod (203)
Upper end is connect with the piston only (202), and lower end is connected with the valve plate (101) being set in the flap type (100).
2. as described in claim 1 with the plate valve system of non-through formula piston, it is characterised in that: the piston only
(202) further include upper and lower end non-through setting upper installation cavity (202a) and lower installation cavity (202b) and respectively with the two chamber
The upper fixing element (202c) and lower fixing piece (202d) that profile matches；
The part that indicating arm (204) penetrates through fixed part (202c) and its end is extended is provided with upper limit portion
(204a), fixed part (202c) can be embedded in the upper installation cavity (202a), and pass through the upper limit portion
(204a) is butted on the bottom of the upper installation cavity (202a)；
The valve rod (203) penetrates through the lower fixing piece (202d) and end is limited by lower limit portion (203a), described lower solid
Determining part (202d) can be embedded in the lower installation cavity (202b), and be butted on the lower installation by the lower limit portion (203a)
The top of chamber (202b).
3. as claimed in claim 1 or 2 with the plate valve system of non-through formula piston, it is characterised in that: the piston sheet
Body (202) further includes the fixation hole (202e) for being set to two sides, bayonet lock part (202f), adjusting block (202g) and seal groove
(202h)；
The adjusting block (202g) is connected by screw thread with the piston only (202), by rotating the adjusting block (202g)
Make itself to move up and down, when the adjusting block (202g) is located at suitable position, with the bayonet lock part (202f) across the tune
Locking nub (202g), the part extended are inserted into being threadedly engaged in the fixation hole (202e), make adjusting block (202g) no
It can rotate, be always positioned at suitable position bayonet lock part fixation hole bayonet lock part fixation hole, sealing ring is arranged in the seal groove (202h)
It is acted on the cavity (201) inner wall.
4. as claimed in claim 2 with the plate valve system of non-through formula piston, it is characterised in that: the upper installation cavity
(202a) and lower installation cavity (202b) inner sidewall is respectively provided with card slot (202i), fixed part (202c) and lower fixing piece
(202d) is respectively provided with the retaining ring (202d-1) matched with the card slot (202i), and the retaining ring (202d-1) can be embedded in described
The loosening of fixed part (202c) and lower fixing piece (202d) is prevented in card slot (202i).
5. the plate valve system as claimed in claim 2 or 4 with non-through formula piston, it is characterised in that: the piston list
First (200) further include the enterprising pressure mouth (205) for being set to lateral wall, under into pressure mouth (206) and be set to upper and lower end on open
Mouth (207) and lower installing port (208)；
The enterprising pressure mouth (205), under into pressure mouth (206) be separately connected pressure source, pass through different pressure and push the piston
Ontology (202) is located to be moved in the cavity (201)；Described indicating arm (204) one end and the piston only (202) are even
It connects, the other end passes through in the upper opening (207) and realizes sealing by sealing block (207a)；Described valve rod (203) one end with
Piston only (202) connection, the other end pass through the lower installing port (208) and connect afterwards with the valve plate (101).
6. as claimed in claim 5 with the plate valve system of non-through formula piston, it is characterised in that: the flap type
It (100) further include pipeline (102), valve chamber (103) and valve seat (104)；
The valve chamber (103) is connected to the pipeline (102) cross, and the valve seat (104) is set in the valve chamber (103),
The valve plate (101) is set in the valve seat (104) and is driven up and down by the valve rod (203), realizes the valve seat (104)
Opening and closing.
7. as claimed in claim 6 with the plate valve system of non-through formula piston, it is characterised in that: the valve deck unit
It (300) further include the bonnet, (301) and bottom flange (302) for being arranged on lower end；
Mounting portion (301a) is arranged in bonnet, (301) upper end, and the mounting portion (301a) is inserted into the lower installing port (208)
In by being threadedly engaged installation, and the valve rod (203) is connect across the bonnet, (301) with the valve plate (101)；
The bottom flange (302) further includes that the tail-hood (302a) connecting with flap type (100) bottom end, nesting are set to the tail-hood
Hood (302b) in (302a) and the foot piece (302c) being set in the tail-hood (302a) and hood (302b).
8. the plate valve system with non-through formula piston as claimed in claims 6 or 7, it is characterised in that: further include pressure
Unit (400), the pressure unit (400) by oil circuit route and the enterprising pressure mouth (205) and it is described under into pressing mouth (206)
Connection, pushes moving up and down for the piston only (202).
9. the plate valve system with non-through formula piston as claimed in claims 6 or 7, it is characterised in that: the pressure list
First (400) include Pneumatic hydraulic pumping system, manual pump, accumulator, control valve and several pressure indicating meters；
High voltage control liquid is generated by the Pneumatic hydraulic pumping system and is stored in the accumulator；
When needing to open or close hydraulic operated valve, the high voltage control liquid from the accumulator can play on or off by the control valve
Close control object connected to it；And system also can guaranteed just in the case where breaking gas source by the manual pump
Often work.
10. as claimed in claim 9 with the plate valve system of non-through formula piston, it is characterised in that: the Pneumatic hydraulic
Pumping system further include sequentially connected oil sprayer, pressure regulator valve, the Pneumatic hydraulic pump assembly being made of air-driven hydraulic pump, overflow valve with
And shut-off valve；The Pneumatic hydraulic pumping system connect with extraneous gas source, and the overflow valve can rapid overflow, guarantee that system is pacified
Entirely.
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| CN201811095450.8A CN109139947B (en) | 2018-09-19 | 2018-09-19 | Non-penetrating hydraulic valve piston device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811095450.8A CN109139947B (en) | 2018-09-19 | 2018-09-19 | Non-penetrating hydraulic valve piston device |
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| CN109139947B CN109139947B (en) | 2023-11-17 |
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| CN201811095450.8A Active CN109139947B (en) | 2018-09-19 | 2018-09-19 | Non-penetrating hydraulic valve piston device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110145632A (en) * | 2019-06-03 | 2019-08-20 | 扬州三元动力机械有限公司 | A kind of dual-purpose integrated hydraulic hoists of novel torch |
| CN114458819A (en) * | 2022-04-12 | 2022-05-10 | 深圳市恒拓高工业技术股份有限公司 | Pneumatic switch assembly and switch system with same |
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| WO2015035041A1 (en) * | 2013-09-06 | 2015-03-12 | Ge Oil & Gas Pressure Control Lp | Hybrid manual and hydraulic actuator override |
| CN203604679U (en) * | 2013-12-05 | 2014-05-21 | 中亚阀门有限公司 | Hydraulic plunger type parallel opening flat gate valve |
| CN103939631A (en) * | 2014-04-24 | 2014-07-23 | 江苏金石富源机械有限公司 | Self-driving externally-controlled two-circuit safety gate valve |
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| CN114458819A (en) * | 2022-04-12 | 2022-05-10 | 深圳市恒拓高工业技术股份有限公司 | Pneumatic switch assembly and switch system with same |
| CN114458819B (en) * | 2022-04-12 | 2022-06-24 | 深圳市恒拓高工业技术股份有限公司 | Pneumatic switch assembly and switch system with same |
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