CN106351906B - A kind of overflow valve - Google Patents
A kind of overflow valve Download PDFInfo
- Publication number
- CN106351906B CN106351906B CN201611004862.7A CN201611004862A CN106351906B CN 106351906 B CN106351906 B CN 106351906B CN 201611004862 A CN201611004862 A CN 201611004862A CN 106351906 B CN106351906 B CN 106351906B
- Authority
- CN
- China
- Prior art keywords
- valve
- mandril
- overflow
- control stick
- locating rack
- 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.)
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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
Landscapes
- 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 proposes a kind of overflow valves, the valve pocket including valve body and the locating rack being set on valve body, in the valve body equipped with overflow spool and for driving overflow spool mobile；Actuator in the locating rack equipped with mandril and for driving mandril mobile, one end of the mandril is set to the valve pocket upper end, the actuator includes the control stick and swinging seat that can be moved on locating rack along predetermined direction, one end of the control stick is set in swinging seat, the mandril is set to the side of the swinging seat, the control stick on the locating rack when moving, the swinging seat can be driven to swing, when the swinging seat is swung, the mandril can be driven mobile, when the mandril is mobile, the valve pocket and overflow spool is driven to move in the valve body；Position of the control stick on the locating rack is adjustable.The overflow valve of this structure can according to need any flow for setting up overflow valve, have the advantages that easy to operate and failure rate is low.
Description
Technical field
The present invention relates to hydraulic unit field, in particular to a kind of overflow valve.
Background technique
Overflow valve is a kind of hydraulic pressure control valve, and level pressure overflow, overflow, system unloaded are primarily served in hydraulic system
And safeguard protection effect.
Proportional pressure control valve, in configuration aspects, there are similar places with common overflow valve, generally include a spool, valve
One end of core generates pressure by hydraulic oil, and the other end is mechanical force, and mechanical force usually generates elastic force by various springs.Commonly
Overflow valve adjusts the hydraulic pressure of system by adjustment spring power, usually only opens and closes two positions, and ratio is overflow
Stream valve can set up the flow of overflow in proportion, more accurate to the control of system, in addition, proportional pressure control valve is opening overflow
When, it is not limited to open and close two positions, can there is multiple positions.
Currently, mainly being completed by electric power and borrow spanner, handwheel using the manipulation of relatively broad overflow valve, operate
More laborious, automatically controlled cost and failure rate are higher, meanwhile, installation space is easy limited.
In conclusion a kind of easy to operate and less failure rate overflow valve how is provided, at those skilled in the art
The technical issues of member's urgent need to resolve.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of easy to operate and less failure rate overflow valve.
Solution of the invention is achieved in that the present invention proposes a kind of overflow valve, including valve body and is set to valve
Locating rack on body, the interior valve pocket equipped with overflow spool and for driving overflow spool mobile of the valve body；
Actuator in the locating rack equipped with mandril and for driving mandril mobile, one end of the mandril is set to institute
Valve pocket upper end is stated, the actuator includes the control stick and swinging seat that can be moved on locating rack along predetermined direction, the manipulation
One end of bar is set in swinging seat, and the mandril is set to the side of the swinging seat, and the control stick is in the locating rack
When upper mobile, the swinging seat can be driven to swing, when the swinging seat is swung, the mandril can be driven mobile, the top
When bar is mobile, the valve pocket and overflow spool is driven to move in the valve body；
Position of the control stick on the locating rack is adjustable.The overflow valve of this structure, since control stick is securable to
Any position of locating rack, that is, the mandril for pushing overflow spool mobile are also securable to any position, thus can also be excessive
Flow valve core is fixed on any position of valve body, compared with the overflow valve of existing structure, can according to need any setting overflow valve
Flow, have the advantages that easy to operate and failure rate is low.
Another technical solution of the invention is on above-mentioned basis, and the first spring and second are additionally provided in the valve body
Spring is additionally provided with valve core case between first spring and second spring, first spring is set in the valve pocket, under
End is held in overflow spool top, and the second spring is set on the valve core case of first spring upper end, the mandril
One end is held in the one end of the second spring far from first spring.This set-up mode, by the same setting first of valve body
Spring and second spring, and mandril pushes return by the first spring, has the advantages that functional reliability is preferable.
Another technical solution of the invention is on above-mentioned basis, and housing, the overflow are additionally provided in the valve body
Valve further includes first seal and second seal, and the first seal is set between the valve pocket and the valve body, institute
Second seal is stated to be set between the mandril and the housing.This set-up mode, by between valve pocket and valve body, and
Sealing element is set between mandril and valve body, the overall tightness of overflow valve can be effectively improved.
Another technical solution of the invention is on above-mentioned basis, also sets between first spring and second spring
Have pilot valve, be additionally provided with third sealing element between the housing and the valve body, the first seal, second seal and
Third sealing element is sealing ring.
Another technical solution of the invention is that on above-mentioned basis, the overflow valve further includes fixed frame, described fixed
The lower end of position frame is fixedly installed on the fixed frame, is additionally provided on the fixed frame for the valve body to be connected with fixed frame
Connector together.
Another technical solution of the invention is on above-mentioned basis, is additionally provided on the locating rack horizontally disposed solid
Two mausoleums of dead axle, the fixing axle are set on the locating rack, and the swinging seat is rotationally sheathed in the fixing axle,
The two sides of the swinging seat are respectively equipped with the first adjusting rod and the second adjusting rod, and the lower end of first adjusting rod is held in described
The lower end of the upper end of mandril, second adjusting rod is held on the connector.
Another technical solution of the invention is on above-mentioned basis, and locating part is additionally provided on the locating rack, described
Locating part is fixedly installed on the side of the control stick, and the locating part is used to limit the shift position of the control stick.
Another technical solution of the invention is on above-mentioned basis, and friction plate is additionally provided on the control stick, described
The interior side contacts of the upper limb of friction plate and the locating rack, in the control stick moving process, the friction plate can be the behaviour
Vertical pole is fixed on any position of the locating rack.This set-up mode can be by the frictional force between friction plate and locating rack
Control stick is fixed on any position of locating rack, and then determines the position of mandril and overflow spool, has structure simple, work
Good reliability and the low advantage of use cost.
Another technical solution of the invention is on above-mentioned basis, and the first nut, institute are additionally provided on the control stick
It states the first nut to be sheathed on the control stick, the upper limb of first nut is held in the lower edge of the friction plate.
Another technical solution of the invention is that on above-mentioned basis, the periphery of the locating rack is additionally provided with dirt-proof boot；
The control stick is additionally provided with taper knob far from one end of the swinging seat.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.
Fig. 1 is a kind of structural schematic diagram of overflow valve of the present invention；
Fig. 2 is the schematic cross-sectional view of Fig. 1；
Fig. 3 is the schematic cross-sectional view of Fig. 1.
Appended drawing reference corresponding relationship are as follows:
1 valve body, 2 first seal, 3 valve pocket
45 first spring of overflow spool, 6 second spring
7 second seal, 8 housing, 9 first adjusting rod
10 screw, 11 control stick, 12 dirt-proof boot
13 14 first nut of friction plate, 15 swinging seat
16 mandril, 17 locating rack, 18 fixed frame
19 valve core case, 20 pilot valve, 21 third sealing element
22 23 second adjusting rod of taper knob, 24 fixing axle
25 second nut, 26 connector
Specific embodiment
Present invention will now be described in detail with reference to the accompanying drawings., the description of this part be only it is exemplary and explanatory, do not answer
There is any restriction effect to protection scope of the present invention.In addition, description of the those skilled in the art according to this document, it can be right
Feature in this document in embodiment and in different embodiments carries out the corresponding combination.
The embodiment of the present invention is as follows, overflow valve referring to fig. 1 to fig. 3, specifically includes valve body 1 and is set to valve body
Locating rack 17 on 1, valve body 1 is interior to be equipped with the overflow spool 4 that can be moved within a predetermined range and for driving overflow spool 4 mobile
Valve pocket 3, the actuator in locating rack 17 equipped with mandril 16 and for driving mandril 16 mobile, mandril 16 is vertically arranged, under
End is set to 3 upper end of valve pocket, and actuator specifically includes control stick 11 and swinging seat 15, and one end of control stick 11 is set to swinging seat
In 15, settable sliding slot on locating rack 17, control stick 11 can be moved in sliding slot along predetermined direction, and mandril 16 is set to swinging seat
15 side, control stick 11 drive swinging seat 15 to swing when moving on locating rack 17, and when swinging seat 15 is swung,
The left end lower part of swinging seat 15 is held in 16 top of mandril, and mandril 16 is driven to move down, and when mandril 16 moves down, drives
Valve pocket 3 and overflow spool 4 move in valve body 1.In addition, position of the control stick 11 on locating rack 17 can be adjusted as needed
Section, i.e. control stick 11 can be fixed at an arbitrary position the rocking tendency of swinging seat 15, and then by mandril 16 valve pocket 3 and overflow
Spool 4 is fixed on any position of valve body 1.The overflow valve of this structure, since control stick 11 is securable to any of locating rack 17
Position, that is, the mandril 16 for pushing overflow spool 4 mobile are also securable to any position, to overflow spool 4 can also be consolidated
It is scheduled on any position of valve body 1, compared with the overflow valve of existing structure, can according to need any flow for setting up overflow valve,
Have the advantages that easy to operate and failure rate is low.
On the basis of the above embodiments, 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 first spring 5 and second spring 6, the first spring 5 is used as reset spring,
It is set in valve pocket 3, also, the upper end is held in the upper end of overflow spool 4, and second spring 6 is then set to the first spring 5
On the valve core case 19 of upper end, and the lower end of mandril 16 is held in the upper end of second spring 6, i.e. one end far from 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 mandril 16 to move down, and compresses the first bullet
Spring 5 and second spring 6, and then overflow spool 4 is pushed to move down, and when control stick 11 moves right, swinging seat 15 is to the right
It is mobile, at this point, mandril 16 is moved up by the promotion of the first spring 5.This set-up mode, by same setting 5 He of the first spring of valve body 1
Second spring 6, and mandril 16 pushes return by the first spring 5, has the advantages that functional reliability is preferable.
On the basis of the above embodiments, in another embodiment of the present invention, as shown in Fig. 2, housing 8 is additionally provided in valve body 1,
Overflow valve further includes first seal 2 and second seal 7, and first seal 2 is set between valve pocket 3 and valve body 1, and first is close
Sealing 2 may include multiple sealing rings being set on valve pocket 3, i.e., seal groove is opened up on valve pocket 3, and sealing ring is set to seal groove
It is interior.And second seal 7 is then set between mandril 16 and housing 8, equally, second seal 7 is also placed in sealing including multiple
Sealing ring in slot, seal groove are opened on mandril 16.This set-up mode, by between valve pocket 3 and valve body 1 and mandril
Sealing element is set between 16 and valve body 1, the overall tightness of overflow valve can be effectively improved.
On the basis of the above embodiments, 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, third sealing element 21 is additionally provided between housing 8 and valve body 1, third sealing element 21 is same
Sample may include the multiple sealing rings being set on housing 8, offer seal groove on housing 8, sealing ring is set in seal groove.
On the basis of the above embodiments, in another embodiment of the present invention, as shown in Figures 2 and 3, overflow valve further includes solid
Determine frame 18, the lower end of locating rack 17 is fixedly connected with fixed frame 18, can specifically be carried out by connectors such as multiple bolts detachable
Connection.At least one connector 26 is additionally provided on fixed frame 18, connector 26 is used for valve body 1 and fixed frame 18 is removably solid
Surely it links together, connector 26 can be bolt, or screw.
On the basis of the above embodiments, it in another embodiment of the present invention, as shown in Figures 2 and 3, is also set on locating rack 17
There is fixing axle 24, fixing axle 24 is horizontally disposed, and both ends are fixedly installed on locating rack 17, and swinging seat 15 is rotationally sheathed on
In fixing axle 24.In addition, 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
It is vertically arranged on swinging seat 15 with the second adjusting rod 23, also, the lower end of the first adjusting rod 9 is held in the upper of mandril 16
End, the lower end of the second adjusting rod 23 is held in the upper end of connector 26, when control stick 11 is moved to the left, drive swinging seat 15 to
It moves left, and then drives mandril 16 to move down by the first adjusting rod 9.
On the basis of the above embodiments, in another embodiment of the present invention, as indicated with 2, limit is additionally provided on locating rack 17
Part, locating part are fixedly installed on the side of control stick 11, specially left side, and locating part is specifically used for the movement of limitation control stick 11
Position.More specifically, locating part can be the screw 10 for being set to locating rack 17, and screw 10 is obliquely installed.
On the basis of the above embodiments, it in another embodiment of the present invention, rubs as shown in Fig. 2, being additionally provided on control stick 11
Pad 13, friction plate 13 are sheathed on control stick 11, and the interior side contacts of its upper limb and locating rack 17,11 moving process of control stick
In, friction plate 13 can be fixed on control stick 11 any position of locating rack 17, that is, be fixed on any position in sliding slot, rub
Piece 13 is specifically as follows sheet rubber.This set-up mode can be control stick by the frictional force between friction plate 13 and locating rack 17
11 are fixed on any position of locating rack 17, and then determine the position of mandril 16 and overflow spool 4, have structure simple, work
Make good reliability and the low advantage of use cost.
On the basis of the above embodiments, in another embodiment of the present invention, as shown in Fig. 2, being offered on control stick 11 outer
Screw thread, the first nut 14 are rotatablely arranged on control stick 11, and the upper limb of the first nut 14 is held on friction plate 13, to protect
Demonstrate,prove the frictional force between friction plate 13 and locating rack 17.It should be noted that when the friction between friction plate 13 and locating rack 17
Power becomes smaller when can not fix control stick 11, can be increased by adjusting the position of the first nut 14 friction plate 13 and locating rack 17 it
Between frictional force.Meanwhile as shown in Figure 2, the second nut 25 is additionally provided on control stick 11, the second nut 25 is set to the first spiral shell
14 lower section of mother, and the lower edge of the second nut 25 is contacted with swinging seat 15.
On the basis of the above embodiments, in another embodiment of the present invention, as shown in Figures 2 and 3, to prevent dust from entering
In locating rack 17, the periphery of locating rack 17 is additionally provided with dirt-proof boot 12, and dirt-proof boot 12 is wrapped in entire locating rack 17 interior, dirt-proof boot
12 lower end is fixedly connected with fixed frame 18, and dirt-proof boot 12 is preferably the preferable rubber sleeve of flexibility.Meanwhile operating for convenience,
The upper end of control stick 11 also is provided with taper knob 22, and taper knob 22 is sheathed on the upper end of control stick 11, equally, taper knob 22 it is also preferred that
For rubber sleeve.
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, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of overflow valve, which is characterized in that including valve body (1) and the locating rack (17) being set on valve body (1), the valve body
(1) valve pocket (3) in equipped with overflow spool (4) and for driving overflow spool (4) mobile；
Actuator in the locating rack (17) equipped with mandril (16) and for driving mandril (16) mobile, the mandril (16)
One end is set to the valve pocket (3) upper end, and the actuator includes the manipulation that can be moved on locating rack (17) along predetermined direction
Bar (11) and swinging seat (15), one end of the control stick (11) are set in swinging seat (15), and the mandril (16) is set to
The side of the swinging seat (15), the control stick (11) can drive the swinging seat when moving on the locating rack (17)
(15) it swings, when the swinging seat (15) swings, the mandril (16) can be driven mobile, when the mandril (16) is mobile,
The valve pocket (3) and overflow spool (4) is driven to move in the valve body (1)；
Position of the control stick (11) on the locating rack (17) is adjustable；
The first spring (5) and second spring (6), first spring (5) and second spring (6) are additionally provided in the valve body (1)
Between be additionally provided with valve core case (19), first spring (5) is set in the valve pocket (3), and lower end is held in overflow spool
(4) top, the second spring (6) are set on the valve core case (19) of the first spring (5) upper end, the mandril (16)
One end is held in the one end of the second spring (6) far from first spring (5)；
Locating part is additionally provided on the locating rack (17), the locating part is fixedly installed on the side of the control stick (11), institute
Locating part is stated for limiting the shift position of the control stick (11)；
It is additionally provided with friction plate (13) on the control stick (11), the upper limb of the friction plate (13) is interior with the locating rack (17)
Side contacts, in control stick (11) moving process, it is described fixed that the friction plate (13) can be fixed on the control stick (11)
Any position of position frame (17).
2. overflow valve according to claim 1, which is characterized in that it is additionally provided with housing (8) in the valve body (1), it is described to overflow
Flowing valve further includes first seal (2) and second seal (7), and the first seal (2) is set to the valve pocket (3) and institute
It states between valve body (1), the second seal (7) is set between the mandril (16) and the housing (8).
3. overflow valve according to claim 2, which is characterized in that between first spring (5) and second spring (6) also
Equipped with pilot valve (20), third sealing element (21) are additionally provided between the housing (8) and the valve body (1), described first is close
Sealing (2), second seal (7) and third sealing element (21) are sealing ring.
4. overflow valve according to claim 3, which is characterized in that the overflow valve further includes fixed frame (18), described fixed
The lower end of position frame (17) is fixedly installed on the fixed frame (18), is additionally provided on the fixed frame (18) for the valve body
(1) and the connector (26) that links together of fixed frame (18).
5. overflow valve according to claim 4, which is characterized in that be additionally provided on the locating rack (17) horizontally disposed solid
The both ends of dead axle (24), the fixing axle (24) are set on the locating rack (17), and the swinging seat (15) rotationally covers
On the fixing axle (24), the two sides of the swinging seat (15) are respectively equipped with the first adjusting rod (9) and the second adjusting rod
(23), the lower end of first adjusting rod (9) is held in the upper end of the mandril (16), the lower end of second adjusting rod (23)
It is held on the connector (26).
6. overflow valve according to claim 5, which is characterized in that be additionally provided with the first nut on the control stick (11)
(14), first nut (14) is sheathed on the control stick (11), and the upper limb of first nut (14) is held in described
The lower edge of friction plate (13).
7. overflow valve according to claim 6, which is characterized in that the periphery of the locating rack (17) is additionally provided with dirt-proof boot
(12)；
The control stick (11) is additionally provided with taper knob (22) far from the one end of the 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 CN106351906A (en) | 2017-01-25 |
| CN106351906B true 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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|---|---|---|---|---|
| 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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2016
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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 |
|---|---|
| CN106351906A (en) | 2017-01-25 |
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