CN106015149A - Vibration-reduction tail structure for eliminating reverse hydraulic power of valve core of one-way slide valve - Google Patents
Vibration-reduction tail structure for eliminating reverse hydraulic power of valve core of one-way slide valve Download PDFInfo
- Publication number
- CN106015149A CN106015149A CN201610645458.1A CN201610645458A CN106015149A CN 106015149 A CN106015149 A CN 106015149A CN 201610645458 A CN201610645458 A CN 201610645458A CN 106015149 A CN106015149 A CN 106015149A
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- CN
- China
- Prior art keywords
- vibration damping
- spool
- valve
- tail
- hydraulic power
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a vibration-reduction tail structure for eliminating reverse hydraulic power of a valve core of a one-way slide valve. Two inner flanges are arranged on the side wall of the exterior of a valve body internal cavity, an oil inlet P is formed in a valve body inner wall between the two inner flanges, and an oil returning hole T is formed in the side wall of an interior of the valve body internal cavity; an inner end part of the valve core is connected with the vibration-reduction tail structure for eliminating the reverse hydraulic power of the valve core of the one-way slide valve; an oil flowing groove is formed and is separately and uniformly distributed on the circumferential surface of the inner end part of the valve core along the circumference; oil enters the valve core through the oil inlet P, then enters the valve body internal cavity through the oil flowing groove, and finally flows out through the oil returning hole T after the vibration-reduction tail structure performs elimination regulation on the reverse hydraulic power born by the valve core. The vibration-reduction tail structure provided by the invention can eliminate the reverse hydraulic power of the one-way slide valve, can regulate the elimination degree of the reverse hydraulic power born by the valve core, can independently regulate the elimination degree of the reverse hydraulic power born by the valve core of a hydraulic valve under small opening and large opening, simplifies control on the valve core of the one-way slide valve and increases the stability allowance of the valve core.
Description
Technical field
The present invention relates to a kind of hydraulic valve spool hydraulic power structure, especially relate to a kind of for monolateral spool valve
The vibration damping stern construction that the reverse hydraulic power of core eliminates.
Background technology
Monolateral guiding valve is widely used in various hydraulic pressure control flexibly because of its simple in construction, easily manufactured, control characteristic
In system processed.
Monolateral guiding valve, because its spool only one of which controls limit, typically can not constitute the complete valve of common slide valve
Chamber, thus the force direction of the hydraulic oil suffered by the spool of monolateral guiding valve is contrary with common slide valve, for making valve
The direction that mouth is opened.This reverse hydraulic power is that the spool of monolateral guiding valve controls to bring extreme difficulty, significantly
Reduce the stability allowance of monolateral valve core of the spool valve.
In view of this, application new principle and method, design a kind of reverse hydraulic power that can eliminate suffered by spool
Structure, it is thus possible to simplify monolateral guiding valve spool control and increase spool stability allowance have particularly significant
Engineering significance.
Summary of the invention
For the elimination of the reverse hydraulic power of monolateral valve core of the spool valve, the invention provides a kind of for monolateral spool valve
The vibration damping stern construction that the reverse hydraulic power of core eliminates, it is possible to eliminate the reverse hydraulic power of monolateral valve core of the spool valve, simplifies single
The spool of limit guiding valve controls and increases spool stability allowance.
The technical solution used in the present invention is:
The present invention includes valve body and the spool being arranged in valve body, and spool is formed in being arranged on valve body and is slidably matched,
Sidewall outside valve inner chamber is provided with twice inward flange, and the valve interior wall between twice inward flange has oil-feed
Mouth P, the sidewall in valve inner intracavity portion has oil return inlet T, and the inner end at spool connects to be had for monolateral cunning
The vibration damping stern construction that the reverse hydraulic power of valve core eliminates, spool inner end side face has the most uniformly at intervals
Logical oil groove, fluid enters in valve inner chamber through logical oil groove after oil inlet P enters, through vibration damping stern construction pair
Reverse hydraulic power suffered by spool flows out from oil return inlet T after eliminating regulation.
The first described vibration damping stern construction includes rear vibration damping tail, front vibration damping tail and connecting rod, rear vibration damping tail warp
Connecting rod is connected one entirety of formation with spool inner end, and connecting in the middle part of connecting rod has front vibration damping tail, rear vibration damping
Tail is circular cone structure, front vibration damping tail frustum structure ringwise.
Vibration damping stern construction described in the second includes vibration damping tail with holes and connecting rod, and vibration damping tail with holes is through connecting rod
Be connected one entirety of formation with spool inner end, vibration damping tail with holes is circular cone structure, the circle of vibration damping tail with holes
It is provided with multiple circumferentially spaced uniform tracting pressuring hole week, tracting pressuring hole axially axially in parallel with spool.
The conical surface end of described vibration damping tail with holes or rear vibration damping tail circular cone structure is towards spool, and through connecting
Bar links into an integrated entity with spool inner face, and vibration damping tail with holes or rear vibration damping tail circular cone structure other end are
Plane.
The conical surface end of described front vibration damping tail annular frustum structure is towards spool, and links into an integrated entity with connecting rod,
Front vibration damping tail other end is plane.
Described rear vibration damping tail and front vibration damping tail are coaxially arranged and connected by connecting rod, and the thickness of front vibration damping tail
With thickness and the diameter that diameter is respectively less than rear vibration damping tail.
The invention have the advantages that:
Present configuration utilizes the connecting rod and vibration damping stern construction increased on common monolateral guiding valve, at vibration damping tail
Side produces turnover to liquid stream direction, thus is formed pressure accumulated such that it is able to eliminate the reverse liquid of monolateral guiding valve
Power, the present invention can be by changing the elimination to hydraulic power reverse suffered by spool to vibration damping tail dimensional parameters
Degree is adjusted, the elimination journey to hydraulic power reverse suffered by hydraulic valve spool under little opening and big opening
Degree carries out independent regulation, it is achieved that the elimination of the reverse hydraulic power of monolateral guiding valve.
Further, the spool that this invention simplifies monolateral guiding valve controls and adds spool stability allowance.
Accompanying drawing explanation
Fig. 1 is the structure chart of the first embodiment of the present invention.
Fig. 2 is the structure chart of the second embodiment of the present invention.
Fig. 3 is the fundamental diagram of the first embodiment of the present invention.
Fig. 4 is the fundamental diagram of the second embodiment of the present invention.
In figure: 1, valve body, 2, vibration damping tail with holes, 3, tracting pressuring hole, 4, rear vibration damping tail, 5, front vibration damping tail,
6, connecting rod, 7, spool.
Detailed description of the invention
The invention will be further described with example below in conjunction with the accompanying drawings.
Embodiment 1
As it is shown in figure 1, embodiment 1 includes valve body 1 and the spool 7 being arranged in valve body 1, spool 7 is installed
Being formed in valve body 1 and be slidably matched, the sidewall outside valve body 1 inner chamber is provided with twice inward flange, in twice
Valve body 1 inwall between flange has oil inlet P, and the sidewall within valve body 1 inner chamber has oil return inlet T,
Inner end at spool 7 connects the vibration damping stern construction being mainly made up of vibration damping tail 2 with holes and connecting rod 6,
Spool 7 inner end side face has logical oil groove the most uniformly at intervals, and fluid warp after oil inlet P enters is logical
Oil groove enters in valve body 1 inner chamber.
In vibration damping stern construction, it is whole that vibration damping tail 2 with holes is connected formation one through connecting rod 6 with spool 7 inner end
Body, spool 7 inner end is located close to oil return inlet T, vibration damping tail with holes 2 in circular cone structure, vibration damping tail with holes
The circumference of 2 is provided with multiple circumferentially spaced uniform tracting pressuring hole 3, tracting pressuring hole 3 axially axial with spool 7
Parallel.
The conical surface end of vibration damping tail 2 with holes or rear vibration damping tail 4 circular cone structure is towards spool 7, and through connecting rod
6 link into an integrated entity with spool 7 inner face, vibration damping tail 2 with holes or the rear vibration damping tail 4 circular cone structure other end
Face is plane, and plane is the most perpendicular with spool 7.
Its operation principle is as it is shown on figure 3, spool 7 moves right so that it is logical oil groove is opened, so that hydraulic pressure
Oil flows into from the P mouth of valve body 1, through the logical oil groove of spool 7, finally flows out from the T mouth of valve body 1, in
Between the hydraulic oil flow of process to as shown by the arrow.Without connecting rod 6 and the common list of vibration damping tail 2 with holes
Limit guiding valve, hydraulic oil accelerates at the logical oil groove of spool 7, thus spool 7 is produced reverse hydraulic power, this
Force direction to the right, for the direction making spool 7 open, adds the control difficulty of spool 7, reduces spool 7
Stability allowance.And add connecting rod 6 and the structure one of vibration damping tail 2 with holes, because making hydraulic oil with holes
Create speed turnover on the right side of vibration damping tail 2, and make hydraulic oil create deceleration, its speed turnover effect such as Fig. 2
Shown in, now, hydraulic oil produces hydraulic power to the left to vibration damping tail 2 with holes, with logical oil groove at hydraulic oil pair
The hydraulic power to the right of spool 7 is offset, thus eliminates reverse hydraulic power, simplifies the control of spool 7, increases
Add the stability allowance of spool 7.And tracting pressuring hole 3 can make hydraulic oil directly by and without turnover, institute
With diameter and quantity by regulating tracting pressuring hole 3, the hydraulic oil active force to vibration damping tail 2 with holes can be regulated
Size, and then the elimination degree that regulation is to hydraulic power reverse suffered by spool 7.
Thus, the present embodiment is by regulating diameter and the quantity of tracting pressuring hole, it is achieved that to liquid reverse suffered by spool
The regulation of the elimination degree of power.
Embodiment 2
As in figure 2 it is shown, embodiment 2 includes valve body 1 and the spool 7 being arranged in valve body 1, spool 7 is installed
Being formed in valve body 1 and be slidably matched, the sidewall outside valve body 1 inner chamber is provided with twice inward flange, in twice
Valve body 1 inwall between flange has oil inlet P, and the sidewall within valve body 1 inner chamber has oil return inlet T,
Inner end at spool 7 connects the vibration damping being mainly made up of rear vibration damping tail 4, front vibration damping tail 5 and connecting rod 6
Stern construction, spool 7 inner end side face has logical oil groove the most uniformly at intervals, and fluid enters through oil inlet P
Enter in valve body 1 inner chamber through logical oil groove after entering.
In vibration damping stern construction, rear vibration damping tail 4 is connected one entirety of formation through connecting rod 6 with spool 7 inner end,
Connecting in the middle part of connecting rod 6 has front vibration damping tail 5, spool 7 inner end to be located close to oil return inlet T, rear vibration damping tail 4
In circular cone structure, front vibration damping tail 5 frustum structure ringwise.The conical surface of front vibration damping tail 5 annular frustum structure
End, towards spool 7, and links into an integrated entity with connecting rod 6, and front vibration damping tail 5 other end is plane, plane with
Spool 7 the most perpendicular.Rear vibration damping tail 4 and front vibration damping tail 5 is coaxially arranged and is connected by connecting rod 6,
And the thickness of front vibration damping tail 5 and diameter be respectively less than after the thickness of vibration damping tail 4 and diameter.
As shown in Figure 4, spool 7 moves right the operation principle of structure two so that it is logical oil groove is opened, thus
Hydraulic oil is made to flow into from the P mouth of valve body 1, through the logical oil groove of spool 7, finally from the T mouth stream of valve body 1
Going out, the hydraulic oil flow of pilot process is to as shown by the arrow.Without connecting rod 6, rear vibration damping tail 4 and before subtract
Shake the common monolateral guiding valve of tail 5, and hydraulic oil accelerates at the logical oil groove of spool 7, thus produces spool 7
Reversely hydraulic power, to the right, for the direction making spool 7 open, the control adding spool 7 is difficult for this force direction
Degree, reduces the stability allowance of spool 7.And add connecting rod 6, rear vibration damping tail 4 and front vibration damping tail 5
Structure two, because making hydraulic oil create deceleration at front vibration damping tail 5, at rear vibration damping tail 4, create speed
Degree turnover and slowing down, its speed turnover effect as in figure 2 it is shown, now, hydraulic oil to front vibration damping tail 5 and after
Vibration damping tail 4 produces hydraulic power to the left, with logical oil groove at hydraulic oil the hydraulic power to the right of spool 7 is offset,
Thus eliminate reverse hydraulic power, simplify the control of spool 7, add the stability allowance of spool 7.
Front vibration damping tail 5 for spool 7 move right momentum little in the case of the neutralization effect of reverse hydraulic power obvious, and
Rear vibration damping tail 4 for spool 7 move right momentum big in the case of the neutralization effect of reverse hydraulic power obvious, because of
This diameter regulating front vibration damping tail 5 and rear vibration damping tail 4 respectively can regulate hydraulic valve at little opening respectively with big
The elimination degree of reverse hydraulic power suffered by spool 7 under opening.
Thus, the present embodiment utilizes connecting rod, front vibration damping tail and the rear vibration damping increased on common monolateral guiding valve
Stern construction, it is achieved that the elimination of the reverse hydraulic power of monolateral guiding valve；Further, by regulate respectively front vibration damping tail and
The diameter of rear vibration damping tail, it is achieved that reverse hydraulic power suffered by hydraulic valve spool under little opening and big opening
The independent regulation of elimination degree, has it and highlights significant technique effect.
Two kinds of enforcement structures of the present invention as can be seen here, it is possible to eliminate the reverse hydraulic power of monolateral valve core of the spool valve, letter
The spool changing monolateral guiding valve controls and increases spool stability allowance.
Claims (6)
1. the vibration damping stern construction eliminated for the reverse hydraulic power of monolateral valve core of the spool valve, including valve body (1) and peace
The spool (7) being contained in valve body (1), spool (7) is formed in being arranged on valve body (1) and is slidably matched,
It is characterized in that: the sidewall outside valve body (1) inner chamber is provided with twice inward flange, between twice inward flange
Valve body (1) inwall has oil inlet P, and the sidewall within valve body (1) inner chamber has oil return inlet T, at valve
The inner end of core (7) connects the vibration damping stern construction eliminated for the reverse hydraulic power of monolateral valve core of the spool valve, spool
(7) inner end side face has logical oil groove the most uniformly at intervals, and fluid is oily through leading to after oil inlet P enters
Groove enters in valve body (1) inner chamber, after reverse hydraulic power suffered by spool is eliminated and to regulate by vibration damping stern construction from
Oil return inlet T flows out.
The vibration damping stern construction eliminated for the reverse hydraulic power of monolateral valve core of the spool valve the most according to claim 1,
It is characterized in that: described vibration damping stern construction includes rear vibration damping tail (4), front vibration damping tail (5) and connecting rod
(6), rear vibration damping tail (4) is connected one entirety of formation through connecting rod (6) with spool (7) inner end,
Connecting rod (6) middle part connect have front vibration damping tail (5), rear vibration damping tail (4) in circular cone structure, front vibration damping
Tail (5) frustum structure ringwise.
The vibration damping stern construction eliminated for the reverse hydraulic power of monolateral valve core of the spool valve the most according to claim 1,
It is characterized in that: described vibration damping stern construction includes vibration damping tail (2) with holes and connecting rod (6), with holes subtract
The tail (2) that shakes is connected one entirety of formation, vibration damping tail (2) with holes through connecting rod (6) with spool (7) inner end
In circular cone structure, the circumference of vibration damping tail (2) with holes is provided with multiple circumferentially spaced uniform tracting pressuring hole (3),
Tracting pressuring hole (3) axially axially in parallel with spool (7).
4. according to the vibration damping tail eliminated for the reverse hydraulic power of monolateral valve core of the spool valve described in Claims 2 or 3
Structure, it is characterised in that: described vibration damping tail (2) with holes or afterwards vibration damping tail (4) circular cone structure
Conical surface end is towards spool (7), and links into an integrated entity with spool (7) inner face through connecting rod (6), with holes
Vibration damping tail (2) or rear vibration damping tail (4) circular cone structure other end are plane.
The vibration damping stern construction eliminated for the reverse hydraulic power of monolateral valve core of the spool valve the most according to claim 2,
It is characterized in that: the conical surface end of described front vibration damping tail (5) annular frustum structure towards spool (7), and
Linking into an integrated entity with connecting rod (6), front vibration damping tail (5) other end is plane.
The vibration damping stern construction eliminated for the reverse hydraulic power of monolateral valve core of the spool valve the most according to claim 2,
It is characterized in that: described rear vibration damping tail (4) and front vibration damping tail (5) is coaxially arranged and by connecting rod (6)
Connect, and the thickness of front vibration damping tail (5) and diameter are respectively less than thickness and the diameter of rear vibration damping tail (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610645458.1A CN106015149B (en) | 2016-08-08 | 2016-08-08 | The vibration damping stern construction eliminated for the reverse hydraulic power of unilateral valve core of the spool valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610645458.1A CN106015149B (en) | 2016-08-08 | 2016-08-08 | The vibration damping stern construction eliminated for the reverse hydraulic power of unilateral valve core of the spool valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106015149A true CN106015149A (en) | 2016-10-12 |
| CN106015149B CN106015149B (en) | 2017-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610645458.1A Active CN106015149B (en) | 2016-08-08 | 2016-08-08 | The vibration damping stern construction eliminated for the reverse hydraulic power of unilateral valve core of the spool valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106015149B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838362A (en) * | 2017-02-09 | 2017-06-13 | 浙江大学 | It is a kind of to fall structure for inserting the balance of valve core hydraulic power elimination |
| CN108167459A (en) * | 2017-12-11 | 2018-06-15 | 浙江大学 | A kind of voltage stabilizing pin structure for being used to compensate in-flow inserted valve closing direction hydraulic power |
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2016
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| JPH02134476A (en) * | 1988-11-15 | 1990-05-23 | Teijin Seiki Co Ltd | Relief valve |
| CN2132896Y (en) * | 1992-07-06 | 1993-05-12 | 王宇 | Forerunner pressure valve |
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| CN203548397U (en) * | 2013-11-14 | 2014-04-16 | 浙江大学 | Pilot high-flow load control valve based on displacement-force feedback principle |
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| Title |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838362A (en) * | 2017-02-09 | 2017-06-13 | 浙江大学 | It is a kind of to fall structure for inserting the balance of valve core hydraulic power elimination |
| CN106838362B (en) * | 2017-02-09 | 2019-06-18 | 浙江大学 | It is a kind of to fall structure for inserting the balance that valve core hydraulic power is eliminated |
| CN108167459A (en) * | 2017-12-11 | 2018-06-15 | 浙江大学 | A kind of voltage stabilizing pin structure for being used to compensate in-flow inserted valve closing direction hydraulic power |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106015149B (en) | 2017-09-29 |
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