CN106351906A - Overflow valve - Google Patents
Overflow valve Download PDFInfo
- Publication number
- CN106351906A CN106351906A CN201611004862.7A CN201611004862A CN106351906A CN 106351906 A CN106351906 A CN 106351906A CN 201611004862 A CN201611004862 A CN 201611004862A CN 106351906 A CN106351906 A CN 106351906A
- Authority
- CN
- China
- Prior art keywords
- push rod
- overflow valve
- valve
- stick
- spring
- 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
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention provides an overflow valve. The overflow valve comprises a valve body and a positioning frame arranged on the valve body. An overflow valve element and a valve sleeve are arranged inside the valve body, wherein the valve sleeve is used for driving the overflow valveelement to move; a push rod and a driving part are arranged within the positioning frame,wherein the driving part is used for driving the push rod to move; one end of the push rod is arranged at the upper portion of the valve sleeve; the driving part includes an operating lever and a swing seat, wherein the operating lever and the swing seat move on the positioning frame in a predetermined direction; one end of the operating lever is arranged within the swing seat, and the push rod is arranged on one side of the swing seat. When moving on the positioning frame, the operating lever drives the swing seat to swing left and right; when swinging, the swing seat drives the push rod to move, and when the push rod moves, the valve sleeve and the overflow valve element are driven by the push rod to move in the valve body; the position where the operating lever is arranged on the positioning frame is adjustable. The flow of the overflow valve can be adjusted at will according to the requirement, and the overflow valve has the advantages of convenient operation and low failure rate.
Description
Technical field
The present invention relates to hydraulic unit field, particularly to a kind of overflow valve.
Background technology
Overflow valve is a kind of hydraulic pressure control valve, primarily serves level pressure overflow, overflow, system unloaded in hydraulic system
And safeguard protection effect.
, in configuration aspects, there is similar part with common overflow valve, generally include a valve element, valve in proportional pressure control valve
One end of core produces pressure by hydraulic oil, and the other end is mechanical force, and mechanical force generally to produce elastic force by various springs.Commonly
Overflow valve adjusts the hydraulic pressure of system by adjusting spring force, generally only opens and closes two positions, and ratio is overflow
Stream valve can set up the flow of overflow in proportion, and the control to system is more accurate, additionally, proportional pressure control valve is opening overflow
When, it is not limited to open and close two positions, can have multiple positions.
At present, mainly completed by electric power and borrow spanner, handwheel using the manipulation of relatively broad overflow valve, operation
More arduously, automatically controlled cost and fault rate are all higher, and meanwhile, installing space is easily limited.
In sum, how to provide one kind easy to operate, and the overflow valve that fault rate is less, become people in the art
The technical problem of member's urgent need to resolve.
Content of the invention
The technical problem to be solved in the present invention is: provide a kind of easy to operate, and the overflow valve that fault rate is less.
The solution of the present invention be achieved in that the present invention propose a kind of overflow valve, include valve body be arranged at valve
Locating rack on body, is provided with overflow valve element and the valve pocket for driving overflow valve element movement in described valve body；
It is provided with push rod and the actuator for driving push rod movement, one end of described push rod is arranged at institute in described locating rack
State valve pocket upper end, described actuator includes can be along stick and the swinging seat of predetermined direction movement, described manipulation on locating rack
One end of bar is arranged in swinging seat, and described push rod is arranged at the side of described swinging seat, and described stick is in described locating rack
When upper mobile, described swinging seat can be driven to swing, when described swinging seat swings, described push rod can be driven to move, described top
When bar is mobile, described valve pocket and overflow valve element is driven to move in described valve body；
Position on described locating rack for the described stick is adjustable.The overflow valve of this structure, because stick is securable to
The optional position of locating rack, that is, promote the push rod of overflow valve element movement to be also securable to optional position, thus also can be excessive
Flow valve core is fixed on the optional position of valve body, compared with the overflow valve of existing structure, can arbitrarily set up overflow valve as needed
Flow, have the advantages that easy to operate and fault rate is low.
Another technical scheme of the present invention is, on above-mentioned basis, to be additionally provided with the first spring and second in described valve body
Spring, is additionally provided with valve core case between described first spring and second spring, and described first spring is arranged in described valve pocket, under it
End is held in overflow valve element top, and described second spring is arranged on the valve core case of described first spring upper end, described push rod
One end is held in described second spring one end away from described first spring.This set-up mode, by the same setting first of valve body
Spring and second spring, and push rod passes through the first spring promotion return, has the preferable advantage of functional reliability.
Another technical scheme of the present invention is, on above-mentioned basis, to be additionally provided with overcoat, described overflow in described valve body
Valve also includes first seal and second seal, and described first seal is arranged between described valve pocket and described valve body, institute
State second seal to be arranged between described push rod and described overcoat.This set-up mode, by between valve pocket and valve body, and
Between push rod and valve body, sealing member is set, the overall tightness of overflow valve can be effectively improved.
Another technical scheme of the present invention is, on above-mentioned basis, also to set between described first spring and second spring
Have pilot valve, between described overcoat and described valve body, be additionally provided with the 3rd sealing member, described first seal, second seal and
3rd sealing member is sealing ring.
Another technical scheme of the present invention is that described overflow valve also includes fixed mount, described fixed on above-mentioned basis
The lower end of position frame is fixedly installed on described fixed mount, described fixed mount is additionally provided with for described valve body and fixed mount are connected
Connector together.
Another technical scheme of the present invention is, on above-mentioned basis, described locating rack to be additionally provided with horizontally disposed solid
Dead axle, two mausoleums of described fixing axle are arranged on described locating rack, and described swinging seat is rotationally sheathed in described fixing axle,
Described swinging seat be respectively provided on two sides with the first adjusting rod and the second adjusting rod, the lower end of described first adjusting rod is held in described
The upper end of push rod, the lower end of described second adjusting rod is held on described connector.
Another technical scheme of the present invention is, on above-mentioned basis, described locating rack to be additionally provided with locating part, described
Locating part is fixedly installed on the side of described stick, and described locating part is used for limiting the shift position of described stick.
Another technical scheme of the present invention is, on above-mentioned basis, described stick to be additionally provided with friction plate, described
The upper limb of friction plate and the interior side contacts of described locating rack, in described stick moving process, described friction plate can be described behaviour
Vertical pole is fixed on the optional position of described locating rack.This set-up mode, by the frictional force between friction plate and locating rack, can be
Stick is fixed on the optional position of locating rack, and then determines push rod and the position of overflow valve element, has structure simply, work
Good reliability and the low advantage of use cost.
Another technical scheme of the present invention is, on above-mentioned basis, described stick to be additionally provided with the first nut, institute
State the first nut sleeve on described stick, the upper limb of described first nut is held in the lower edge of described friction plate.
Another technical scheme of the present invention is that the periphery of described locating rack is additionally provided with dirt-proof boot on above-mentioned basis；
Described stick is additionally provided with taper knob away from one end of described swinging seat.
Brief description
The accompanying drawing constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.
Fig. 1 is a kind of structural representation of overflow valve of the present invention；
Fig. 2 is the cross-sectional schematic of Fig. 1；
Fig. 3 is the cross-sectional schematic of Fig. 1.
Reference corresponding relation is:
1 valve body, 2 first seal 3 valve pocket
4 overflow valve element 5 first spring 6 second spring
7 second seal, 8 overcoat 9 first adjusting rod
10 screw, 11 stick 12 dirt-proof boot
13 friction plate 14 first nut 15 swinging seat
16 push rod, 17 locating rack 18 fixed mount
19 valve core case, 20 pilot valve 21 the 3rd sealing member
22 taper knob 23 second adjusting rod 24 fixing axle
25 second nut 26 connector
Specific embodiment
Describe the present invention below in conjunction with the accompanying drawings, the description of this part is only exemplary and explanatory, should not
There is any restriction effect to protection scope of the present invention.Additionally, those skilled in the art are according to the description of presents, can be right
Feature in embodiment in presents and in different embodiment carries out respective combination.
The embodiment of the present invention is as follows, refers to the overflow valve shown in Fig. 1 to Fig. 3, specifically includes valve body 1 and is arranged at valve body
Locating rack 17 on 1, is provided with the overflow valve element 4 that can move within a predetermined range and is used for driving overflow valve element 4 mobile in valve body 1
Valve pocket 3, be provided with push rod 16 in locating rack 17 and for driving the actuator of push rod 16 movement, push rod 16 is vertically arranged, under it
End is arranged at valve pocket 3 upper end, and actuator specifically includes stick 11 and swinging seat 15, and one end of stick 11 is arranged at swinging seat
In 15, locating rack 17 can arrange chute, stick 11 can move along predetermined direction in chute, and push rod 16 is arranged at swinging seat
15 side, when stick 11 moves on locating rack 17, drives swinging seat 15 to swing, and when swinging seat 15 swings,
The left end bottom of swinging seat 15 is held in push rod 16 top, and drives push rod 16 to move down, and when push rod 16 moves down, drives
Valve pocket 3 and overflow valve element 4 move in valve body 1.Additionally, position on locating rack 17 for the stick 11 can be adjusted as needed
Save, that is, stick 11 can be fixed the rocking tendency of swinging seat 15 at an arbitrary position, and then passes through 16 valve pockets 3 of push rod and overflow
Valve element 4 is fixed on the optional position of valve body 1.The overflow valve of this structure, because stick 11 is securable to any of locating rack 17
Position, that is, promote the push rod 16 of overflow valve element 4 movement to be also securable to optional position, thus also can overflow valve element 4 is solid
It is scheduled on the optional position of valve body 1, compared with the overflow valve of existing structure, can arbitrarily set up the flow of overflow valve as needed,
Have the advantages that easy to operate and fault rate is low.
On the basis of above-described embodiment, in another embodiment of the present invention, as shown in Fig. 2 being additionally provided with the first bullet in valve body 1
Spring 5 and second spring 6, are additionally provided with valve core case 19 between the first spring 5 and second spring 6, the first spring 5 as back-moving spring,
It is arranged in valve pocket 3, and, its upper end is held in the upper end of overflow valve element 4, and second spring 6 is then arranged at the first spring 5
On the valve core case 19 of upper end, and the lower end of push rod 16 is held in the upper end of second spring 6, that is, away from one end of the first spring 5.Behaviour
When vertical pole 11 is moved to the left, swinging seat 15 is driven to be moved to the left, swinging seat 15 drives push rod 16 to move down, and compresses the first bullet
Spring 5 and second spring 6, and then promote overflow valve element 4 to move down, and when stick 11 moves right, swinging seat 15 is to the right
Mobile, now, push rod 16 passes through the first spring 5 and promotes shifting.This set-up mode, by same setting the first spring 5 He of valve body 1
Second spring 6, and push rod 16 promotes return by the first spring 5, has the preferable advantage of functional reliability.
On the basis of above-described embodiment, in another embodiment of the present invention, as shown in Fig. 2 being additionally provided with overcoat 8 in valve body 1,
Overflow valve also includes first seal 2 and second seal 7, and first seal 2 is arranged between valve pocket 3 and valve body 1, and first is close
Sealing 2 may include multiple sealing rings being arranged on valve pocket 3, opens up seal groove on valve pocket 3, and sealing ring is arranged at seal groove
Interior.And second seal 7 is then arranged between push rod 16 and overcoat 8, equally, second seal 7 also includes multiple being placed in sealing
Sealing ring in groove, seal groove is opened on push rod 16.This set-up mode, by between valve pocket 3 and valve body 1, and push rod
Between 16 and valve body 1, sealing member is set, the overall tightness of overflow valve can be effectively improved.
On the basis of above-described embodiment, in another embodiment of the present invention, as shown in Figures 2 and 3, the first spring 5 and
It is additionally provided with pilot valve 20 between two springs 6, between overcoat 8 and valve body 1, is additionally provided with the 3rd sealing member 21, the 3rd sealing member 21 is same
Sample may include the multiple sealing rings being arranged on overcoat 8, and overcoat 8 offers seal groove, and sealing ring is arranged in seal groove.
On the basis of above-described embodiment, in another embodiment of the present invention, as shown in Figures 2 and 3, overflow valve is also included admittedly
Determine frame 18, the lower end of locating rack 17 is fixedly connected with fixed mount 18, specifically can be carried out detachably by connectors such as multiple bolts
Connect.At least one connector 26 is additionally provided with fixed mount 18, connector 26 is used for removably solid to valve body 1 and fixed mount 18
Surely link together, connector 26 can be bolt or screw.
On the basis of above-described embodiment, in another embodiment of the present invention, as shown in Figures 2 and 3, locating rack 17 also sets
There is fixing axle 24, fixing axle 24 is horizontally disposed with, its two ends is fixedly installed on locating rack 17, and swinging seat 15 is rotationally sheathed on
In fixing axle 24.Additionally, the left and right sides of swinging seat 15 is additionally provided with the first adjusting rod 9 and the second adjusting rod 23, the first adjusting rod 9
All it is vertically arranged on swinging seat 15 with the second adjusting rod 23, and, the lower end of the first adjusting rod 9 is held in the upper of push rod 16
End, the lower end of the second adjusting rod 23 is held in the upper end of connector 26, when stick 11 is moved to the left, drive swinging seat 15 to
Move left, and then drive push rod 16 to move down by the first adjusting rod 9.
On the basis of above-described embodiment, in another embodiment of the present invention, as indicated with 2, locating rack 17 is additionally provided with spacing
Part, locating part is fixedly installed on the side of stick 11, specially left side, and locating part is specifically for limiting the movement of stick 11
Position.More specifically, locating part can be the screw 10 being arranged at locating rack 17, and screw 10 is obliquely installed.
On the basis of above-described embodiment, in another embodiment of the present invention, as shown in Fig. 2 be additionally provided with stick 11 rubbing
Pad 13, friction plate 13 is sheathed on stick 11, and the interior side contacts of its upper limb and locating rack 17, stick 11 moving process
In, friction plate 13 can be fixed on stick 11 optional position of locating rack 17, that is, be fixed on the optional position in chute, friction
Piece 13 is specifically as follows sheet rubber.This set-up mode, by the frictional force between friction plate 13 and locating rack 17, can be stick
11 optional positions being fixed on locating rack 17, and then determine push rod 16 and the position of overflow valve element 4, there is structure simply, work
Make good reliability and the low advantage of use cost.
On the basis of above-described embodiment, in another embodiment of the present invention, as shown in Fig. 2 offering outer on stick 11
Screw thread, the first nut 14 is rotatablely arranged on stick 11, and the upper limb of the first nut 14 is held on friction plate 13, to protect
Frictional force between card friction plate 13 and locating rack 17.It should be noted that when the friction between friction plate 13 and locating rack 17
Power diminishes when cannot fix stick 11, can by adjust the position of the first nut 14 increase friction plate 13 and locating rack 17 it
Between frictional force.Meanwhile, as shown in Figure 2, stick 11 is additionally provided with the second nut 25, the second nut 25 is arranged at the first spiral shell
Below female 14, and the lower edge of the second nut 25 is contacted with swinging seat 15.
On the basis of above-described embodiment, in another embodiment of the present invention, as shown in Figures 2 and 3, for preventing dust from entering
In locating rack 17, the periphery of locating rack 17 is additionally provided with dirt-proof boot 12, and the whole locating rack 17 of dirt-proof boot 12 is wrapped in interior, dirt-proof boot
12 lower end is fixedly connected with fixed mount 18, and dirt-proof boot 12 is preferably the preferable rubber sleeve of pliability.Meanwhile, for convenience of operation,
The upper end of stick 11 also is provided with taper knob 22, and taper knob 22 is sheathed on the upper end of stick 11, equally, taper knob 22 it is also preferred that
For rubber sleeve.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of overflow valve is it is characterised in that include valve body (1) and the locating rack (17) being arranged on valve body (1), described valve body
(1) valve pocket (3) being provided with overflow valve element (4) in and being used for driving overflow valve element (4) movement；
It is provided with push rod (16) in described locating rack (17) and be used for driving the actuator of push rod (16) movement, described push rod (16)
One end is arranged at described valve pocket (3) upper end, and described actuator includes can be along the manipulation of predetermined direction movement on locating rack (17)
Bar (11) and swinging seat (15), one end of described stick (11) is arranged in swinging seat (15), and described push rod (16) is arranged at
The side of described swinging seat (15), described stick (11), when described locating rack (17) is upper mobile, can drive described swinging seat
(15) swing, when described swinging seat (15) swings, described push rod (16) can be driven mobile, when described push rod (16) is mobile,
Described valve pocket (3) and overflow valve element (4) is driven to move in described valve body (1)；
Position on described locating rack (17) for the described stick (11) is adjustable.
2. overflow valve according to claim 1 is it is characterised in that be additionally provided with the first spring (5) and in described valve body (1)
Two springs (6), are additionally provided with valve core case (19) between described first spring (5) and second spring (6), described first spring (5) sets
It is placed in described valve pocket (3), its lower end is held in overflow valve element (4) top, and described second spring (6) is arranged at described first bullet
On the valve core case (19) of spring (5) upper end, one end of described push rod (16) is held in described second spring (6) away from described first bullet
One end of spring (5).
3. overflow valve according to claim 2 is it is characterised in that being additionally provided with overcoat (8) in described valve body (1), described excessive
Stream valve also includes first seal (2) and second seal (7), and described first seal (2) is arranged at described valve pocket (3) and institute
State between valve body (1), described second seal (7) is arranged between described push rod (16) and described overcoat (8).
4. overflow valve according to claim 3 is it is characterised in that go back between described first spring (5) and second spring (6)
It is provided with pilot valve (20), between described overcoat (8) and described valve body (1), is additionally provided with the 3rd sealing member (21), described first is close
Sealing (2), second seal (7) and the 3rd sealing member (21) are sealing ring.
5. overflow valve according to claim 4 is it is characterised in that described overflow valve also includes fixed mount (18), described fixed
The lower end of position frame (17) is fixedly installed on described fixed mount (18), and described fixed mount (18) is additionally provided with for described valve body
And the connector (26) that links together of fixed mount (18) (1).
6. overflow valve according to claim 5 is it is characterised in that be additionally provided with horizontally disposed solid on described locating rack (17)
Dead axle (23), two mausoleums of described fixing axle (23) are arranged on described locating rack (17), and described swinging seat (15) rotationally covers
In described fixing axle (23), described swinging seat (15) be respectively provided on two sides with the first adjusting rod (9) and the second adjusting rod
(23), the lower end of described first adjusting rod (9) is held in the upper end of described push rod (16), the lower end of described second adjusting rod (23)
It is held on described connector (26).
7. overflow valve according to claim 6 is it is characterised in that being additionally provided with locating part on described locating rack (17), described
Locating part is fixedly installed on the side of described stick (11), and described locating part is used for limiting the mobile position of described stick (11)
Put.
8. overflow valve according to claim 7 is it is characterised in that be additionally provided with friction plate (13) on described stick (11),
The upper limb of described friction plate (13) and the interior side contacts of described locating rack (17), in described stick (11) moving process, described
Friction plate (13) can be fixed on described stick (11) optional position of described locating rack (17).
9. overflow valve according to claim 8 is it is characterised in that be additionally provided with the first nut on described stick (11)
(14), described first nut (14) is sheathed on described stick (11), and the upper limb of described first nut (14) is held in described
The lower edge of friction plate (13).
10. overflow valve according to claim 9 is it is characterised in that the periphery of described locating rack (17) is additionally provided with dirt-proof boot
(12)；
Described stick (11) is additionally provided with taper knob (22) away from one end of described swinging seat (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611004862.7A CN106351906B (en) | 2016-11-15 | 2016-11-15 | A kind of overflow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611004862.7A CN106351906B (en) | 2016-11-15 | 2016-11-15 | A kind of overflow valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106351906A true CN106351906A (en) | 2017-01-25 |
| CN106351906B CN106351906B (en) | 2019-02-15 |
Family
ID=57862484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611004862.7A Active CN106351906B (en) | 2016-11-15 | 2016-11-15 | A kind of overflow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106351906B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB747378A (en) * | 1954-02-02 | 1956-04-04 | Dewandre Co Ltd C | Improvements in or relating to fluid pressure control valves |
| US4074531A (en) * | 1974-03-08 | 1978-02-21 | Lamborghini Oleodinamica S.P.A. | Oleodynamic servo control |
| US4509406A (en) * | 1980-06-16 | 1985-04-09 | Caterpillar Tractor Co. | Pressure reducing valve for dead engine lowering |
| US5857492A (en) * | 1998-03-20 | 1999-01-12 | Husco International, Inc. | Electromagnetic friction lock for a dual axis control devices |
| DE19949802A1 (en) * | 1999-10-15 | 2001-04-19 | Mannesmann Rexroth Ag | Manual input control of hydraulic and electrohydraulic valves through joystick movement and operation of switches |
| CN201615100U (en) * | 2009-12-31 | 2010-10-27 | 贵州枫阳液压有限责任公司 | Hydraulic pilot valve |
| CN202040380U (en) * | 2010-12-31 | 2011-11-16 | 贵州枫阳液压有限责任公司 | Manual operation type pilot valve |
| CN202732523U (en) * | 2012-08-02 | 2013-02-13 | 浙江海宏液压科技股份有限公司 | Pilot valve for loading machine |
| CN203570729U (en) * | 2013-10-25 | 2014-04-30 | 宁波隆腾轴承液压件有限公司 | Piloted relief valve |
| CN104180060A (en) * | 2013-05-23 | 2014-12-03 | 汉斯格罗欧洲公司 | Single-lever valve, in particular sanitary single lever mixing valve |
| CN204300040U (en) * | 2014-12-05 | 2015-04-29 | 宁波克泰液压有限公司 | Screw thread inserting type cutting type relief valve |
| CN204643756U (en) * | 2015-05-12 | 2015-09-16 | 中联重科安徽工业车辆有限公司 | Multi-way valve operator and there is its fork truck |
| CN204961444U (en) * | 2015-09-09 | 2016-01-13 | 浙江苏强格液压股份有限公司 | Manual formula pilot valve |
| CN205349900U (en) * | 2016-01-29 | 2016-06-29 | 裕泰液压技术(上海)有限公司 | Screw -in cartridge formula guide overflow valve |
| CN206329564U (en) * | 2016-11-15 | 2017-07-14 | 湖南凯恩利液压机械制造有限公司 | A kind of overflow valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB747378A (en) * | 1954-02-02 | 1956-04-04 | Dewandre Co Ltd C | Improvements in or relating to fluid pressure control valves |
| US4074531A (en) * | 1974-03-08 | 1978-02-21 | Lamborghini Oleodinamica S.P.A. | Oleodynamic servo control |
| US4509406A (en) * | 1980-06-16 | 1985-04-09 | Caterpillar Tractor Co. | Pressure reducing valve for dead engine lowering |
| US5857492A (en) * | 1998-03-20 | 1999-01-12 | Husco International, Inc. | Electromagnetic friction lock for a dual axis control devices |
| DE19949802A1 (en) * | 1999-10-15 | 2001-04-19 | Mannesmann Rexroth Ag | Manual input control of hydraulic and electrohydraulic valves through joystick movement and operation of switches |
| CN201615100U (en) * | 2009-12-31 | 2010-10-27 | 贵州枫阳液压有限责任公司 | Hydraulic pilot valve |
| CN202040380U (en) * | 2010-12-31 | 2011-11-16 | 贵州枫阳液压有限责任公司 | Manual operation type pilot valve |
| CN202732523U (en) * | 2012-08-02 | 2013-02-13 | 浙江海宏液压科技股份有限公司 | Pilot valve for loading machine |
| CN104180060A (en) * | 2013-05-23 | 2014-12-03 | 汉斯格罗欧洲公司 | Single-lever valve, in particular sanitary single lever mixing valve |
| CN203570729U (en) * | 2013-10-25 | 2014-04-30 | 宁波隆腾轴承液压件有限公司 | Piloted relief valve |
| CN204300040U (en) * | 2014-12-05 | 2015-04-29 | 宁波克泰液压有限公司 | Screw thread inserting type cutting type relief valve |
| CN204643756U (en) * | 2015-05-12 | 2015-09-16 | 中联重科安徽工业车辆有限公司 | Multi-way valve operator and there is its fork truck |
| CN204961444U (en) * | 2015-09-09 | 2016-01-13 | 浙江苏强格液压股份有限公司 | Manual formula pilot valve |
| CN205349900U (en) * | 2016-01-29 | 2016-06-29 | 裕泰液压技术(上海)有限公司 | Screw -in cartridge formula guide overflow valve |
| CN206329564U (en) * | 2016-11-15 | 2017-07-14 | 湖南凯恩利液压机械制造有限公司 | A kind of overflow valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106351906B (en) | 2019-02-15 |
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