CN110454456A - A kind of nested type cone sealed hydraulic shuttle valve - Google Patents
A kind of nested type cone sealed hydraulic shuttle valve Download PDFInfo
- Publication number
- CN110454456A CN110454456A CN201910768989.3A CN201910768989A CN110454456A CN 110454456 A CN110454456 A CN 110454456A CN 201910768989 A CN201910768989 A CN 201910768989A CN 110454456 A CN110454456 A CN 110454456A
- Authority
- CN
- China
- Prior art keywords
- vestibule
- spool
- path
- valve body
- support
- Prior art date
- 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.)
- Granted
Links
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
Abstract
The present invention relates to a kind of nested types to bore sealed hydraulic shuttle valve, is related to technical field of fluid transmission.The present invention uses the cylindric valve core structure of the entirety with the conical surface with guide function, existing steel ball type shuttle valve sealing performance can be overcome poor, the larger disadvantage of vibration noise, further, the ingehious design that the present invention passes through two entirety cylindric spool nested arrangements and internal communication oil duct with the conical surface, can overcome the problems, such as that existing " back-to-back " tandem type shuttle valve axial arrangement size is larger, structure is complicated, and compensate for " back-to-back " tandem type shuttle valve oil liquid can not reverse flow defect.The configuration of the present invention is simple, integrated level are high, are easy installation maintenance.
Description
Technical field
The present invention relates to technical field of fluid transmission, and in particular to a kind of nested type cone sealed hydraulic shuttle valve.
Background technique
Hydraulic shuttle valve applies ten as a kind of hydraulic control component for controlling oil liquid flow direction in industrial hydraulic system
Divide extensive.Hydraulic shuttle valve functions as disjunction gate, generally comprises tri- hydraulic fluid ports of P1, P2 and P3, and wherein P1 and P2 is oil inlet
Mouthful, P3 is oil outlet, and P1 mouthfuls and P2 mouthfuls can all communicate with P3 mouthfuls, but P1 mouthfuls and P2 mouthfuls are not connected.Have when in P1 mouthfuls and P2 mouthfuls
One hydraulic fluid port have in pressure oil input or P1 mouthfuls and P2 mouthfuls have the input oil liquid pressure an of hydraulic fluid port it is larger when, have pressure oil
The biggish hydraulic fluid port of hydraulic fluid port or oil liquid pressure of input will lead to P3 oral groove, another hydraulic fluid port will be blocked.
Currently, hydraulic shuttle valve mostly uses steel ball valve core structure, push steel ball spool between two valve seats by high pressure oil
The disjunction gate communication function of oil duct is realized in relative motion.Although steel ball spool structure is simple, sealing performance is relatively poor.Separately
Outside, since steel ball spool lacks targeting part, when work, is easy to produce vibration and noise, thus be applied to more through-current capacity it is smaller,
The not high occasion of sealing requirements.Compared to steel ball spool, although tapered spool structure is relative complex, guiding performance is good, sealing
It is relatively reliable.It is many in order to realize close hydraulic shuttle valve disjunction gate communication function in the high occasion of high-pressure high-flow, sealing requirements
Engineers and technicians have to use two tapered " back-to-back " series connections of check valve.However, this kind of usage mode exists
Following disadvantage: 1) when two tapered check valves are used in series, axial dimension and weight are all larger, can not be in installation space and weight
Limited occasion uses；2) can only realize partial function because when " back-to-back " series connections of two tapered check valves in use,
The biggish hydraulic fluid port of oil pressure may be implemented logical with P3 oral groove in P1 mouthfuls and P2 mouthfuls, and another hydraulic fluid port is blocked, but oil liquid can not be reversed
Flowing, i.e. P3 mouthfuls of oil liquid can not be by P1 mouthfuls and P2 mouthfuls outflows, and steel ball type shuttle valve can be achieved on oil liquid reverse flow,
This limits the use scope that tapered check valve passes through " back-to-back " hydraulic shuttle valve in series to a certain extent.Therefore, such as
What is developed a kind of the advantages that can not only having played good tapered spool guiding performance, sealed reliable by structure innovation, but also can be with
The hydraulic shuttle valve for realizing steel ball shuttle valve repertoire, for simplifying hydraulic system oil liquid traffic organising, promoting hydraulic system work
Reliability, reduction hydraulic system vibration noise etc. all have a very important significance.
Summary of the invention
(1) technical problems to be solved
The technical problem to be solved by the present invention is a kind of new structural hydraulic shuttle valve how is designed, to avoid existing steel
Ball-type shuttle valve leakproofness is poor, vibration noise is larger and tapered check valve " back-to-back " tandem type shuttle valve axial arrangement size
It is larger, structure is complicated, oil liquid can not reverse flow the problems such as.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides a kind of nested type bore sealed hydraulic shuttle valve, including valve body 1,
Outer spool 2, support 3, end plug 4, the first O-ring 5, outer spring 6, the second O-ring 7, dynamic sealing 8, inner spool 9 and inner spring
10；
1 outer rim of valve body is cylindrical-shaped structure, is by valve body path vestibule 1.1, valve body central diameter vestibule inside valve body 1
1.2 and valve body major diameter vestibule 1.3 form three sections of shoulder hole structures, wherein valve body path vestibule 1.1 outer end face constitute first
Hydraulic fluid port P1, valve body central diameter vestibule 1.2 are provided with annular groove 1.4 at valve body path vestibule 1.1, and annular groove 1.4 is radially provided with
The outer end face of valve body radial through-hole 1.5, valve body radial through-hole 1.5 constitutes third hydraulic fluid port P3；
The stepped cylindrical that 2 outer rim of outer spool is made of the big cylindrical surface 2.1 of outer spool and outer spool small cylindrical surface 2.2
Shape structure, the end turning of outer spool small cylindrical surface 2.2 have the outer spool conical surface 2.3, are by outer spool diameter holes inside outer spool 2
Two sections of ladder blind hole structures of chamber 2.4, outer spool major diameter vestibule 2.5 composition, are provided with annular groove on the outer big cylindrical surface 2.1 of spool
2.6, outer spool path vestibule 2.4 is radially provided with multiple outer spool radial through-hole 2.7 at outer spool major diameter vestibule 2.5；
The ladder circle column knot that 3 outer rim of support is made of the big cylindrical surface 3.1 of support and support small cylindrical surface 3.2
Structure, two sections of ladder hole structures being made of support path vestibule 3.3, support major diameter vestibule 3.4 inside support 3；
Led to inside the end plug 4 by two sections of ladders that plug screw path vestibule 4.1, plug screw major diameter vestibule 4.2 form
The outer end face of pore structure, plug screw path vestibule 4.1 constitutes the second hydraulic fluid port P2；
The stepped cylindrical that 9 outer rim of inner spool is made of the big cylindrical surface 9.1 of inner spool and inner spool small cylindrical surface 9.2
Shape structure, the end turning of inner spool small cylindrical surface 9.2 have the inner spool conical surface 9.3, are by inner spool diameter holes inside inner spool 9
Two sections of ladder blind hole structures that chamber 9.4 and inner spool major diameter vestibule 9.5 form, inner spool path vestibule 9.4 are bored close to inner spool
4-8 inner spool radial through-hole 9.6 is radially provided at face 9.3；
The valve body 1, outer spool 2,9 ecto-entad nesting of inner spool form, the big cylindrical surface 2.1 of China and foreign countries' spool and valve body
Central diameter vestibule 1.2 is clearance fit and realizes sealing by installation dynamic seal 8 in annular groove 2.6, the outer spool conical surface 2.3 with
Valve body path vestibule 1.1 is bonded close to one end of annular groove 1.4 and realizes cone sealing；The big cylindrical surface 3.1 of support and valve body central diameter
1.2 clearance fit of vestibule, support small cylindrical surface 3.2 are threadedly coupled with outer spool major diameter vestibule 2.5 and close by the second O-ring 7
Envelope；End plug 4 is threadedly coupled with valve body major diameter vestibule 1.3 and is sealed by the first O-ring 5, plug screw path vestibule 4.1 and branch
The end face of seat major diameter vestibule 3.4 is corresponding and installs outer spring 6；
The big cylindrical surface 9.1 of inner spool and outer 2.4 clearance fit of spool path vestibule, inner spool major diameter vestibule 9.5 and outer valve
The end face of core path vestibule 2.4 is corresponding and installs inner spring 10, and the end face of the inner spool conical surface 9.3 and support path vestibule 3.3 is pasted
Merge and realizes cone sealing.
Preferably, the support path vestibule 3.3 is located at one end of support small cylindrical surface 3.2.
Preferably, the support major diameter vestibule 3.4 is equal with the aperture of plug screw major diameter vestibule 4.2.
Preferably, the outer spool path vestibule 2.4 is radially provided with outside 4-8 at outer spool major diameter vestibule 2.5
Spool radial through-hole 2.7.
Preferably, the inner spool path vestibule 9.4 is radially provided with 4-8 inner spool at the inner spool conical surface 9.3
Radial through-hole 9.6.
Preferably, the dynamic seal 8 is Glais ring.
Preferably, the dynamic seal 8 is this spy's envelope.
Preferably, the dynamic seal 8 is O-shaped rubber ring.
(3) beneficial effect
The present invention uses the cylindric valve core structure of the entirety with the conical surface with guide function, can overcome existing steel ball
Type shuttle valve sealing performance is poor, the larger disadvantage of vibration noise, and further, the present invention passes through two whole cylinders with the conical surface
The ingehious design of shape spool nested arrangement and internal communication oil duct can overcome existing " back-to-back " tandem type shuttle valve axial arrangement
The problem of size is larger, structure is complicated, and compensate for " back-to-back " tandem type shuttle valve oil liquid can not reverse flow defect.This
Inventive structure is simple, integrated level is high, is easy installation maintenance.
Detailed description of the invention
Fig. 1 is primary structure schematic diagram of the invention；
Fig. 2 is the primary structure schematic diagram of valve body in the present invention；
Fig. 3 is the primary structure schematic diagram of China and foreign countries' spool of the present invention；
Fig. 4 is the primary structure schematic diagram of support in the present invention；
Fig. 5 is the primary structure schematic diagram of medial end portions plug screw of the present invention；
Fig. 6 is the primary structure schematic diagram of inner spool in the present invention.
Wherein, 1- valve body, 1.1- valve body path vestibule, 1.2- valve body central diameter vestibule, 1.3- valve body major diameter vestibule, 1.4- ring
Shape slot, 1.5- valve body radial through-hole, the outer spool of 2-, the outer big cylindrical surface of spool 2.1-, the outer spool small cylindrical surface of 2.2-, the outer valve of 2.3-
The core conical surface, the outer spool path vestibule of 2.4-, the outer spool major diameter vestibule of 2.5-, 2.6- annular groove, the outer spool radial through-hole of 2.7-,
3- support, the big cylindrical surface of 3.1- support, 3.2- support small cylindrical surface, 3.3- support path vestibule, 3.4- support major diameter vestibule, 4-
End plug, 4.1- plug screw path vestibule, 4.2- plug screw major diameter vestibule, the first O-ring of 5-, 6- outer spring, the second O-ring of 7-,
8- dynamic seal, 9- inner spool, the big cylindrical surface of 9.1- inner spool, 9.2- inner spool small cylindrical surface, the 9.3- inner spool conical surface, 9.4-
Inner spool path vestibule, 9.5- inner spool major diameter vestibule, 9.6- inner spool radial through-hole, 10- inner spring.
Specific embodiment
To keep the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to of the invention
Specific embodiment is described in further detail.
The present invention provides a kind of nested type cone sealed hydraulic shuttle valve, is a kind of hydraulic valve for controlling fluid flow direction, such as
Shown in Fig. 1 to Fig. 6, including valve body 1, outer spool 2, support 3, end plug 4, the first O-ring 5, outer spring 6, the second O-ring 7,
Dynamic sealing 8, inner spool 9 and inner spring 10；Wherein:
As shown in Fig. 2, 1 outer rim of valve body is cylindrical-shaped structure, it is by valve body path vestibule 1.1, valve body inside valve body 1
Three sections of shoulder hole structures that central diameter vestibule 1.2 and valve body major diameter vestibule 1.3 form, the wherein outer end face of valve body path vestibule 1.1
The first hydraulic fluid port P1 is constituted, valve body central diameter vestibule 1.2 is provided with annular groove 1.4,1.4 edge of annular groove at valve body path vestibule 1.1
Radial direction is provided with valve body radial through-hole 1.5, and the outer end face of valve body radial through-hole 1.5 constitutes third hydraulic fluid port P3；
As shown in figure 3,2 outer rim of outer spool is made of the big cylindrical surface 2.1 of outer spool and outer spool small cylindrical surface 2.2
Ladder circle column structure, it is by outer inside outer spool 2 that the end turning of outer spool small cylindrical surface 2.2, which has the outer spool conical surface 2.3,
Two sections of ladder blind hole structures of spool path vestibule 2.4, outer spool major diameter vestibule 2.5 composition, are opened on the outer big cylindrical surface 2.1 of spool
There is annular groove 2.6, outer spool path vestibule 2.4 is radially provided with 4-8 outer spool diameters at outer spool major diameter vestibule 2.5
To through-hole 2.7；
As shown in figure 4, the ladder that 3 outer rim of support is made of the big cylindrical surface 3.1 of support and support small cylindrical surface 3.2
Cylindrical-shaped structure, two sections of ladder hole knots being made of support path vestibule 3.3, support major diameter vestibule 3.4 inside support 3
Structure；
As shown in figure 5, being made of inside the end plug 4 plug screw path vestibule 4.1, plug screw major diameter vestibule 4.2
The outer end face of two sections of ladder hole structures, plug screw path vestibule 4.1 constitutes the second hydraulic fluid port P2；
As shown in fig. 6,9 outer rim of inner spool is made of the big cylindrical surface 9.1 of inner spool and inner spool small cylindrical surface 9.2
Ladder circle column structure, it is by interior inside inner spool 9 that the end turning of inner spool small cylindrical surface 9.2, which has the inner spool conical surface 9.3,
Two sections of ladder blind hole structures that spool path vestibule 9.4 and inner spool major diameter vestibule 9.5 form, inner spool path vestibule 9.4 lean on
4-8 inner spool radial through-hole 9.6 is radially provided at the nearly inner spool conical surface 9.3；
Referring to figs. 1 to Fig. 6, the valve body 1, outer spool 2,9 ecto-entad nesting of inner spool are formed, China and foreign countries' spool great circle
Cylinder 2.1 installs the realization sealing of dynamic seal 8 with valve body central diameter vestibule 1.2 for clearance fit and by the way that annular groove 2.6 is interior, outside
The spool conical surface 2.3 is bonded close to one end of annular groove 1.4 with valve body path vestibule 1.1 and realizes cone sealing；The big cylindrical surface of support
3.1 are threadedly coupled and pass through with outer spool major diameter vestibule 2.5 with 1.2 clearance fit of valve body central diameter vestibule, support small cylindrical surface 3.2
The sealing of second O-ring 7；End plug 4 is threadedly coupled with valve body major diameter vestibule 1.3 and is sealed by the first O-ring 5, and plug screw is small
Diameter vestibule 4.1 is corresponding with the end face of support major diameter vestibule 3.4 and installs outer spring 6；
The big cylindrical surface 9.1 of inner spool and outer 2.4 clearance fit of spool path vestibule, inner spool major diameter vestibule 9.5 and outer valve
The end face of core path vestibule 2.4 is corresponding and installs inner spring 10, and the end face of the inner spool conical surface 9.3 and support path vestibule 3.3 is pasted
Merge and realizes cone sealing；
Wherein, support path vestibule 3.3 is located at one end of support small cylindrical surface 3.2；Support major diameter vestibule 3.4 is big with plug screw
The aperture of diameter vestibule 4.2 is equal；Dynamic seal 8 is Glais ring, this spy's envelope or O-shaped rubber ring.
The course of work that the nested type bores sealed hydraulic shuttle valve is as follows:
There is pressure oil to input when P1 mouthfuls and the input of P2 mouthful no pressure oil or P1 mouthful with P2 mouthfuls and meanwhile have pressure oil input but
When P1 mouthfuls of oil liquid pressures are greater than P2 mouthfuls, P2 mouthfuls are blocked, and P1 mouthfuls of pressure oil overcomes the precommpression of P2 mouthfuls of pressure and outer spring 6
Power pushes outer spool 2 to open with 1.1 end of valve body path vestibule, and P1 mouthfuls of high pressure oil passes sequentially through valve body path vestibule 1.1, ring
Shape slot 1.4, valve body radial through-hole 1.5 are flowed out by P3 mouthfuls；
There is pressure oil to input when P2 mouthfuls and the input of P1 mouthful no pressure oil or P2 mouthful with P1 mouthfuls and meanwhile have pressure oil input but
When P2 mouthfuls of oil liquid pressures are greater than P1 mouthfuls, P1 mouthfuls are blocked, and P2 mouthfuls of pressure oil overcomes the precommpression of P1 mouthfuls of pressure and inner spring 10
Power pushes inner spool 9 and 3.3 end of support path vestibule to disengage, and P2 mouthfuls of high pressure oil passes sequentially through the hole inside end plug 4
Vestibule, inner spool radial through-hole 9.6, outer spool radial through-hole 2.7, annular groove 1.4, valve body radial hole inside chamber, support 3
1.5 are flowed out by P3 mouthfuls；
When P3 mouthfuls have pressure oil input and P1 mouthful and P2 mouthful equal no pressure oil input when, P3 mouthfuls of pressure oil or overcome outside
The pre-compression force of spring 6 pushes outer spool 2 to open, and is flowed out by P1 mouthfuls；Or P3 mouthfuls of pressure oil overcomes the pre- of inner spring 10
Compressing force pushes inner spool 9 to open, and is flowed out by P2 mouthfuls, therefore P3 mouthfuls will not generate the phenomenon that builds the pressure because of high pressure oil.
As can be seen that the present invention can be avoided, existing steel ball type shuttle valve leakproofness is poor, vibration noise is larger and tapered
Check valve " back-to-back " tandem type shuttle valve axial arrangement size is larger, structure is complicated oil liquid can not reverse flow the problems such as, and
Structure is simple, integrated level is high, is easy installation maintenance.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of nested type bores sealed hydraulic shuttle valve, which is characterized in that including valve body (1), outer spool (2), support (3), end
Plug screw (4), the first O-ring (5), outer spring (6), the second O-ring (7), dynamic sealing (8), inner spool (9) and inner spring (10)；
Valve body (1) outer rim is cylindrical-shaped structure, and it is by valve body path vestibule (1.1), valve body central diameter vestibule that valve body (1) is internal
(1.2) and three sections of shoulder hole structures of valve body major diameter vestibule (1.3) composition, the wherein outer end face structure of valve body path vestibule (1.1)
At the first hydraulic fluid port P1, valve body central diameter vestibule (1.2) is provided with annular groove (1.4), annular groove at valve body path vestibule (1.1)
(1.4) it is radially provided with valve body radial through-hole (1.5), the outer end face of valve body radial through-hole (1.5) constitutes third hydraulic fluid port P3；
The ladder circle that outer spool (2) outer rim is made of the big cylindrical surface of outer spool (2.1) and outer spool small cylindrical surface (2.2)
Column structure, the end turning of outer spool small cylindrical surface (2.2) have the outer spool conical surface (2.3), and it is by outer valve that outer spool (2) is internal
Two sections of ladder blind hole structures of core path vestibule (2.4), outer spool major diameter vestibule (2.5) composition, the outer big cylindrical surface of spool (2.1)
On be provided with annular groove (2.6), outer spool path vestibule (2.4) is radially provided at the outer spool major diameter vestibule (2.5) more
A outer spool radial through-hole (2.7)；
The ladder circle column knot that support (3) outer rim is made of the big cylindrical surface of support (3.1) and support small cylindrical surface (3.2)
Structure, the internal two sections of ladder hole structures being made of support path vestibule (3.3), support major diameter vestibule (3.4) of support (3)；
Two sections of ladders being made of inside the end plug (4) plug screw path vestibule (4.1), plug screw major diameter vestibule (4.2)
The outer end face of through-hole structure, plug screw path vestibule (4.1) constitutes the second hydraulic fluid port P2；
The ladder circle that inner spool (9) outer rim is made of the big cylindrical surface of inner spool (9.1) and inner spool small cylindrical surface (9.2)
Column structure, the end turning of inner spool small cylindrical surface (9.2) have the inner spool conical surface (9.3), and it is by internal valve that inner spool (9) is internal
Two sections of ladder blind hole structures of core path vestibule (9.4) and inner spool major diameter vestibule (9.5) composition, inner spool path vestibule
(9.4) 4-8 inner spool radial through-hole (9.6) is radially provided at the inner spool conical surface (9.3)；
The valve body (1), outer spool (2), inner spool (9) ecto-entad nesting form, the big cylindrical surface of China and foreign countries' spool (2.1) with
Valve body central diameter vestibule (1.2) is clearance fit and realizes sealing, outer valve by installation dynamic seal (8) in annular groove (2.6)
The core conical surface (2.3) is bonded close to the one end of annular groove (1.4) with valve body path vestibule (1.1) and realizes cone sealing；Support great circle
Cylinder (3.1) and valve body central diameter vestibule (1.2) clearance fit, support small cylindrical surface (3.2) and outer spool major diameter vestibule (2.5) spiral shell
Line connects and passes through the second O-ring (7) sealing；End plug (4) is threadedly coupled with valve body major diameter vestibule (1.3) and by first
O-ring (5) sealing, plug screw path vestibule (4.1) is corresponding with the end face of support major diameter vestibule (3.4) and installs outer spring (6)；
The big cylindrical surface of inner spool (9.1) and outer spool path vestibule (2.4) clearance fit, inner spool major diameter vestibule (9.5) and outer
The end face of spool path vestibule (2.4) is corresponding and installs inner spring (10), the inner spool conical surface (9.3) and support path vestibule
(3.3) end face is bonded and realizes cone sealing.
2. nested type as described in claim 1 bores sealed hydraulic shuttle valve, which is characterized in that the support path vestibule (3.3)
Positioned at one end of support small cylindrical surface (3.2).
3. nested type as described in claim 1 bores sealed hydraulic shuttle valve, which is characterized in that the support major diameter vestibule (3.4)
It is equal with the aperture of plug screw major diameter vestibule (4.2).
4. nested type as described in claim 1 bores sealed hydraulic shuttle valve, which is characterized in that the outer spool path vestibule
(2.4) 4-8 outer spool radial through-hole (2.7) are radially provided at outer spool major diameter vestibule (2.5).
5. nested type as described in claim 1 bores sealed hydraulic shuttle valve, which is characterized in that the inner spool path vestibule
(9.4) 4-8 inner spool radial through-hole (9.6) is radially provided at the inner spool conical surface (9.3).
6. the nested type as described in any one of claims 1 to 5 bores sealed hydraulic shuttle valve, which is characterized in that the dynamic sealing
Part (8) is Glais ring.
7. the nested type as described in any one of claims 1 to 5 bores sealed hydraulic shuttle valve, which is characterized in that the dynamic sealing
Part (8) is this spy's envelope.
8. the nested type as described in any one of claims 1 to 5 bores sealed hydraulic shuttle valve, which is characterized in that the dynamic sealing
Part (8) is O-shaped rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910768989.3A CN110454456B (en) | 2019-08-20 | 2019-08-20 | Nested cone sealing hydraulic shuttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910768989.3A CN110454456B (en) | 2019-08-20 | 2019-08-20 | Nested cone sealing hydraulic shuttle valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110454456A true CN110454456A (en) | 2019-11-15 |
| CN110454456B CN110454456B (en) | 2020-06-09 |
Family
ID=68487885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910768989.3A Active CN110454456B (en) | 2019-08-20 | 2019-08-20 | Nested cone sealing hydraulic shuttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110454456B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685390A (en) * | 2021-08-03 | 2021-11-23 | 东风专用零部件有限公司 | Hydraulic directional valve and hydraulic power unit with same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB714539A (en) * | 1951-06-12 | 1954-09-01 | Electrol Inc | Shuttle valve |
| US20100147403A1 (en) * | 2008-12-12 | 2010-06-17 | Parker Hannifin Corporation | Pressure feedback shuttle valve |
| CN202597315U (en) * | 2012-05-14 | 2012-12-12 | 宁波海宏液压有限公司 | Double shuttle valve |
| CN204113791U (en) * | 2014-09-23 | 2015-01-21 | 武汉钢铁(集团)公司 | A kind of shuttle valve regulated for continuous casting machine fan-shaped segment opening degree |
| CN107091338A (en) * | 2017-05-26 | 2017-08-25 | 湖南凯恩利液压机械制造有限公司 | A kind of shuttle valve, hydraulic system and plant equipment |
-
2019
- 2019-08-20 CN CN201910768989.3A patent/CN110454456B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB714539A (en) * | 1951-06-12 | 1954-09-01 | Electrol Inc | Shuttle valve |
| US20100147403A1 (en) * | 2008-12-12 | 2010-06-17 | Parker Hannifin Corporation | Pressure feedback shuttle valve |
| CN202597315U (en) * | 2012-05-14 | 2012-12-12 | 宁波海宏液压有限公司 | Double shuttle valve |
| CN204113791U (en) * | 2014-09-23 | 2015-01-21 | 武汉钢铁(集团)公司 | A kind of shuttle valve regulated for continuous casting machine fan-shaped segment opening degree |
| CN107091338A (en) * | 2017-05-26 | 2017-08-25 | 湖南凯恩利液压机械制造有限公司 | A kind of shuttle valve, hydraulic system and plant equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685390A (en) * | 2021-08-03 | 2021-11-23 | 东风专用零部件有限公司 | Hydraulic directional valve and hydraulic power unit with same |
| CN113685390B (en) * | 2021-08-03 | 2023-10-13 | 东风专用零部件有限公司 | Hydraulic direction valve and hydraulic power unit with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110454456B (en) | 2020-06-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101906193B1 (en) | Stackable Shuttle Valve | |
| ES2445881T3 (en) | Proportional seat valve with an integrated non-return valve | |
| CN205260931U (en) | Bionical low pressure drop axial -flow type check valve | |
| CN110454456A (en) | A kind of nested type cone sealed hydraulic shuttle valve | |
| CN102401160A (en) | Conical-core pressure-difference check valve | |
| KR20070050524A (en) | A check valve for water hammer arresting and a method of linear control of the check valve | |
| CN106286456B (en) | A kind of hydraulic control one-way valve | |
| CN109751426B (en) | Dynamic flow balance valve | |
| CN210069241U (en) | Self-adaptive compound pressure pulsation attenuator | |
| CN103075569B (en) | Flow noise limiter | |
| CN215059774U (en) | One-way valve | |
| CN106051232B (en) | A kind of check valve and its working method suitable for big flow working range | |
| CN201925538U (en) | Oxygen valve | |
| US2817357A (en) | Pilot controlled flexible valve | |
| CN203115114U (en) | Double-guidance single-seated valve device | |
| CN109764018B (en) | Multi-way valve with unloading and oil return logic functions in working piece | |
| CN202560682U (en) | Thin hydraulic cylinder with plug-in type pressure retaining valve | |
| CN108317277A (en) | Improving prevents the valve of reflux performance | |
| KR200354536Y1 (en) | flow control valve | |
| CN205977892U (en) | Oil pump hydraulic motor assembly | |
| CN108458137A (en) | Check valve for anti-backflow | |
| KR101384864B1 (en) | High pressure valve | |
| CN105715534B (en) | Hydrostatic radial piston machine | |
| CN217927202U (en) | Control valve | |
| RU2786299C1 (en) | Shut-off and control valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |