CN106926837A - A kind of double spool brake valve - Google Patents
A kind of double spool brake valve Download PDFInfo
- Publication number
- CN106926837A CN106926837A CN201710221217.9A CN201710221217A CN106926837A CN 106926837 A CN106926837 A CN 106926837A CN 201710221217 A CN201710221217 A CN 201710221217A CN 106926837 A CN106926837 A CN 106926837A
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- hole
- valve
- valve body
- axle
- valve opening
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/04—Driver's valves
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses a kind of double spool brake valve, including valve body, left valve element, left compression spring, right valve element, right compression spring, end cap, push rod；Left valve opening is provided with the valve body, right valve opening, ending cover hole, push pedal hole, fuel feed hole, spill port, drainback passage, control port, screw hole, pan, left valve element is arranged in the left valve opening in valve body and can be moved along the axis direction of valve body, left compression spring be arranged on valve body in left valve opening in and with end in contact under left valve element, right valve element is arranged in the right valve opening in valve body and can be moved along the axis direction of valve body, right compression spring be arranged on the valve body in right valve opening in and with end in contact under the right valve element, end cap is arranged in the ending cover hole of the valve body upper end and concordant with the ending cover hole upper end, push rod is arranged on the end cap intermediate throughholes and can be moved up and down along through hole.The technical scheme that the present invention is provided, it is possible to achieve braked while to engineering machinery front and back wheel.
Description
Technical field
The present invention relates to hydraulic buttery valve technical field, particularly a kind of compact conformation, reliable operation, versatility and stabilization
Property it is good, can realize to vehicles front and back wheel simultaneously brake double spool brake valve.
Background technology
Braking system of engineering machinery is the critical component of walking machine.Existing walking class engineering machinery mostly uses gas/liquid
Boosting brakes, sends into brake cylinder and implements braking by a pneumohydraulic pressure-cylinder, after master cylinder inside brake liquid is pressurized, should
System technology matures, are widely used at home.But there is also needs that single compressed gas source, number of elements be more, complex structure simultaneously
Etc. defect.
In recent years, some external engineering machinery use full power hydraulic brake system, and brake force is transmitted by hydraulic oil, pass through
Hydraulic control component, directly by pressure oil deliver to brake cylinder implement braking, solve gas-liquid boosting brakes it is above-mentioned not
Foot.Important in hydraulic control component is brake valve, the brake valve for currently using generally single spool brake valve, it is necessary to its
Its hydraulic control component come realize oil circuit send, increased the complexity of system.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of compact conformation, reliable operation, versatility and good stability,
The double spool brake valve braked simultaneously to engineering machinery front and back wheel can be realized.
To achieve the above object, the present invention employs following technical schemes：A kind of double spool brake valve, including valve
Body, left valve element, left compression spring, right valve element, right compression spring, end cap, push rod, be provided with the valve body left valve opening, right valve opening,
Ending cover hole, push pedal hole, fuel feed hole, spill port, drainback passage (103), control port (A, B), screw hole, pan, wherein, institute
Fuel feed hole is stated including left fuel feed hole, right fuel feed hole, the left fuel feed hole and the left valve opening vertical connection, the right fuel feed hole with
The right valve opening vertical connection, the drainback passage is vertical with the spill port to be communicated, and the control port includes left control oil
Mouth, right control port, the left control port and the left valve opening vertical connection, the right control port are hung down with the right valve opening
Direct-connected logical, the push pedal hole is slot, and the screw hole is shoulder hole, and quantity is 4 and is circumferentially uniformly distributed, described
Pan is ears shape；
The left valve element includes axle one, axle two, endoporus one in the axial direction and the through hole one for communicating vertical with endoporus one, institute
Left valve element is stated in the left valve opening in the valve body and can be moved along the axis direction of valve body；
The left compression spring be arranged on the valve body in left valve opening in and with end in contact under the left valve element；
The right valve element includes axle three, axle four, endoporus two in the axial direction and the through hole two for communicating vertical with endoporus two, institute
Right valve element is stated in the right valve opening in the valve body and can be moved along the axis direction of the valve body；
The right compression spring be arranged on the valve body in right valve opening in and with end in contact under the right valve element；
To be shaped as cylinder, including circular hole one, screwed hole, circular hole two, the screw thread hole number is four and edge to the end cap
Even circumferential is distributed, the end cap install additional be arranged on after sealing ring in the ending cover hole of the valve body upper end and with the ending cover hole on
Hold level with both hands neat；
The push rod includes bulb, axle five, axle six, axle seven, axle eight, and the circular hole that the push rod is arranged in the end cap in the lump may be used
Move up and down.
Preferred scheme, also including left blocking, right blocking, the left blocking is arranged on returning for the valve body after installing sealing ring additional
The right-hand member of the drainback passage that the valve body is arranged on after sealing ring is installed in the left end of oily passage, the right blocking additional.
Preferred scheme, is also blocked including the blocking of left valve opening, right valve opening, and the left valve opening is blocked after installing sealing ring additional and is arranged on
The left valve opening lower end of the valve body, the right valve opening blocks the right valve opening lower end for installing additional and the valve body being arranged on after sealing ring.
Preferred scheme, also including push pedal, the push pedal to be shaped as cuboid, with the valve body in push pedal hole formed between
Gap coordinates, and is provided with circular hole three and symmetrical and diameter identical circular hole four, circular hole five in the push pedal, the circular hole four with
Axle one in the left valve element forms interference fit, and the circular hole five forms interference fit, institute with the axle three in the right valve element
State circular hole three and form interference fit with the axle eight in the push rod.
Preferred scheme, also including top board, the top board is annular, and its cylindrical ending cover hole with the valve body forms gap
Coordinate, its endoporus forms gap cooperation with the axle seven in the push rod.
Preferred scheme, also including upper compression spring, the upper compression spring is arranged in the top board and the valve body
Between ending cover hole.
Preferred scheme, also including pedal, there is a circular hole on the pedal, the pan on the circular hole and the valve body
It is connected through the hinge, also has bulb groove on the pedal, the bulb groove is contacted with the bulb in the push rod.
Beneficial effect relative to prior art is, using such scheme, double spool brake valve compact conformation of the invention,
Reliable operation, versatility and good stability, can realize braking vehicles front and back wheel simultaneously, it is possible to achieve before engineering machinery
Braked while rear wheel, with good market application value.
Brief description of the drawings
Fig. 1 is a kind of structural representation of double loop brake valve of the present invention；
Fig. 2 is a kind of valve body schematic diagram of double loop brake valve of the present invention；
Fig. 3 is a kind of left valve element schematic diagram of double loop brake valve of the present invention；
Fig. 4 is a kind of right valve element schematic diagram of double loop brake valve of the present invention；
Fig. 5 is a kind of end cap schematic diagram of double loop brake valve of the present invention；
Fig. 6 is a kind of push rod schematic diagram of double loop brake valve of the present invention；
Fig. 7 is a kind of push pedal schematic diagram of double loop brake valve of the present invention；
Fig. 8 is an a kind of Application Example of double loop brake valve of the present invention.
Specific embodiment
For the ease of understanding the present invention, below in conjunction with the accompanying drawings and specific embodiment, the present invention will be described in more detail.
Preferred embodiment of the invention is given in accompanying drawing.But, the present invention can be realized in many different forms, not limited
In the embodiment described by this specification.On the contrary, the purpose for providing these embodiments makes to the disclosure
Understand more thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term " vertical " that this specification is used, " level ",
"left", "right" and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technology and scientific terminology that this specification is used are led with technology of the invention is belonged to
The implication that the technical staff in domain is generally understood that is identical.The term used in the description of the invention in this specification is to be
The purpose of description specific embodiment, is not intended to the limitation present invention.
As shown in figure 1, a kind of double loop brake valve of the present invention mainly includes valve body（1）, left valve element（2）, left pressure
Contracting spring（4）, right valve element（9）, right compression spring（7）, end cap（15）, push rod（11）；
As shown in Fig. 2 being provided with left valve opening on the valve body（101）, right valve opening（102）, ending cover hole（105）, push pedal hole（104）、
Fuel feed hole（P1、P2）, spill port（T）, drainback passage (103), control port (A, B), screw hole（106）, pan（107）,
Wherein, the fuel feed hole（P1、P2）Including left fuel feed hole（P1）, right fuel feed hole（P2）, the left fuel feed hole（P1）With the left side
Valve opening（101）Vertical connection, the right fuel feed hole（P2）With the right valve opening（102）Vertical connection, the drainback passage（103）
With the spill port（T）Vertically communicate, the control port（A、B）Including left control port（A）, right control port（B）, it is described
Left control port（A）With the left valve opening（101）Vertical connection, the right control port（B）With the right valve opening（102）Vertically
Connection, the push pedal hole（104）It is slot, the screw hole（106）It is shoulder hole, quantity is for 4 and circumferentially uniform
Distribution, the pan（107）It is ears shape；
As shown in figure 3, the left valve element（2）Its character shape is axle one（201）, axle two（202）, endoporus one in the axial direction
（204）And with endoporus one（204）The vertical through hole one for communicating（203）, the left valve element（2）Installed in the valve body（1）It is interior
Left valve opening（101）It is interior and can be along valve body（1）Axis direction movement；
As shown in figure 4, the right valve element（9）Its character shape is axle three（901）, axle four（902）, endoporus two in the axial direction
（904）And with endoporus two（904）The vertical through hole two for communicating（903）, the right valve element（9）Installed in the valve body（1）It is interior
Right valve opening（102）It is interior and can be along the valve body（1）Axis direction movement；
As shown in figure 5, the end cap（15）To be shaped as cylinder, its characteristic size has circular hole one（1501）, screwed hole
（1502）, circular hole two（1503）, the screwed hole（1502）Quantity is four and is circumferentially uniformly distributed, the end cap（15）Plus
The valve body is arranged on after dress sealing ring（1）The ending cover hole of upper end（105）It is interior and with the ending cover hole（105）Upper end is concordant；
As shown in fig. 6, the push rod（11）Character shape mainly has bulb（1101）, axle five（1102）, axle six（1103）, axle seven
（1104）, axle eight（1105）, the push rod（11）Installed in the end cap（15）In circular hole one（1501）And can move up and down；
As shown in fig. 7, the push pedal（10）To be shaped as cuboid, with the valve body（1）In push pedal hole（104）Form gap
Coordinate, the push pedal（10）On be provided with circular hole three（1002）And symmetrical and diameter identical circular hole four（1001）, circular hole
Five（1003）, the circular hole four（1001）With the left valve element（2）In axle one（201）Form interference fit, the circular hole five
（1003）With the right valve element（9）In axle three（901）Form interference fit, the circular hole three（1002）With the push rod（11）
In axle eight（1105）Form interference fit；
Fig. 8 is an a kind of Application Example of double loop brake valve of the present invention, and this application embodiment is to a vehicle with walking machine
The front and back wheel of structure is braked simultaneously, in figure, C-trailing wheel；D-front-wheel；E-oil pump；F-accumulator；G-trailing wheel oil machine brake
Device；H-front-wheel oil machine brake gear.Its concrete principle is：Depress pedal（16）, push rod（11）Drive top board（13）Downwards
Motion, by push pedal（10）Promote left valve element（2）, right valve element（9）Move downward, valve body（1）In drainback passage（103）It is blocked
Plug, when push rod is no longer moved, left valve element（2）In through hole one（203）With valve body（1）On left fuel feed hole（P1）Connect, control
Liquefaction liquid is by oil pump（E）From left fuel feed hole（P1）, left valve element（2）In through hole one（203）, endoporus one（204）, valve body（1）In
Left valve opening（101）, left control port（A）Into trailing wheel oil machine brake gear（G）, make rear service brake；Meanwhile, right valve element（9）
In through hole two（903）With valve body（1）On right fuel feed hole（P2）Connect, control fluid is by oil pump（E）From right fuel feed hole（P2）、
Right valve element（9）In through hole two（903）, endoporus two（904）, valve body（1）In right valve opening（102）, right control port（B）Into
Front-wheel oil machine brake gear（H）, making front wheel brake, caused compression shock is by accumulator in braking procedure（F）Absorb.
It should be noted that Fig. 8 is only one embodiment of the present of invention, do not illustrate that the present invention only has this reality
Example is applied, any formal limitation is also not done to the present invention, for a person skilled in the art, the present invention can have respectively
Plant change and change.Every any simple modification or equivalent change made to above example according to technical spirit of the invention
Change, still fall within the range of technical solution of the present invention.
Claims (7)
1. a kind of double spool brake valve, including valve body（1）, left valve element（2）, left compression spring（4）, right valve element（9）, right compression bullet
Spring（7）, end cap（15）, push rod（11）, it is characterised in that：Left valve opening is provided with the valve body（101）, right valve opening（102）, end cap
Hole（105）, push pedal hole（104）, fuel feed hole（P1、P2）, spill port（T）, drainback passage (103), control port (A, B), screw
Hole（106）, pan（107）, wherein, the fuel feed hole（P1、P2）Including left fuel feed hole（P1）, right fuel feed hole（P2）, it is described
Left fuel feed hole（P1）With the left valve opening（101）Vertical connection, the right fuel feed hole（P2）With the right valve opening（102）Vertically connect
It is logical, the drainback passage（103）With the spill port（T）Vertically communicate, the control port（A、B）Including left control port
（A）, right control port（B）, the left control port（A）With the left valve opening（101）Vertical connection, the right control port
（B）With the right valve opening（102）Vertical connection, the push pedal hole（104）It is slot, the screw hole（106）It is ladder
Hole, quantity is 4 and is circumferentially uniformly distributed, the pan（107）It is ears shape；
The left valve element（2）Including axle one（201）, axle two（202）, endoporus one in the axial direction（204）And with endoporus one
（204）The vertical through hole one for communicating（203）, the left valve element（2）Installed in the valve body（1）Interior left valve opening（101）Inside simultaneously
Can be along valve body（1）Axis direction movement；
The left compression spring（4）Installed in the valve body（1）Interior left valve opening（101）It is interior and with the left valve element（2）Lower end
Contact；
The right valve element（9）Including axle three（901）, axle four（902）, endoporus two in the axial direction（904）And with endoporus two
（904）The vertical through hole two for communicating（903）, the right valve element（9）Installed in the valve body（1）Interior right valve opening（102）Inside simultaneously
Can be along the valve body（1）Axis direction movement；
The right compression spring（7）Installed in the valve body（1）Interior right valve opening（102）It is interior and with the right valve element（9）Lower end
Contact；
The end cap（15）To be shaped as cylinder, including circular hole one（1501）, screwed hole（1502）, circular hole two（1503）, institute
State screwed hole（1502）Quantity is four and is circumferentially uniformly distributed, the end cap（15）The valve is arranged on after installing sealing ring additional
Body（1）The ending cover hole of upper end（105）It is interior and with the ending cover hole（105）Upper end is concordant；
The push rod（11）Including bulb（1101）, axle five（1102）, axle six（1103）, axle seven（1104）, axle eight（1105）, institute
State push rod（11）Installed in the end cap（15）In circular hole one（1501）And can move up and down.
2. a kind of double spool brake valve according to claim 1, it is characterised in that also including left blocking（3）, right blocking
（8）, the left blocking（3）The valve body is arranged on after installing sealing ring additional（1）Drainback passage（103）Left end, it is described right stifled
Plug（8）The valve body is arranged on after installing sealing ring additional（1）Drainback passage（103）Right-hand member.
3. a kind of double spool brake valve according to claim 1, it is characterised in that also blocked including left valve opening（5）, right valve
Hole plug（6）, the left valve opening blocking（5）The valve body is arranged on after installing sealing ring additional（1）Left valve opening（101）Lower end, institute
Right valve opening is stated to block（6）The valve body is arranged on after installing sealing ring additional（1）Right valve opening（102）Lower end.
4. a kind of double spool brake valve according to claim 1, it is characterised in that also including push pedal（10）, the push pedal
（10）To be shaped as cuboid, with the valve body（1）In push pedal hole（104）Form gap to coordinate, the push pedal（10）On open
There is circular hole three（1002）And symmetrical and diameter identical circular hole four（1001）, circular hole five（1003）, the circular hole four
（1001）With the left valve element（2）In axle one（201）Form interference fit, the circular hole five（1003）With the right valve element
（9）In axle three（901）Form interference fit, the circular hole three（1002）With the push rod（11）In axle eight（1105）Formed
Interference fit.
5. a kind of double spool brake valve according to claim 1, it is characterised in that also including top board（13）, the top board
（13）It is annular, its is cylindrical with the valve body（1）Ending cover hole（105）Form gap cooperation, its endoporus and the push rod
（11）In axle seven（1104）Gap is formed to coordinate.
6. a kind of double spool brake valve according to claim 1, it is characterised in that also including upper compression spring（12）, institute
State compression spring（12）Installed in the top board（13）With the valve body（1）In ending cover hole（105）Between.
7. a kind of double spool brake valve according to claim 1, it is characterised in that also including pedal（16）, the pin
Pedal（16）On have circular hole, the circular hole and the valve body（1）On pan（107）It is connected through the hinge, the pedal
（16）It is upper to also have bulb groove, the bulb groove and the push rod（11）In bulb（1101）Contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710221217.9A CN106926837B (en) | 2017-04-06 | 2017-04-06 | A kind of double spool brake valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710221217.9A CN106926837B (en) | 2017-04-06 | 2017-04-06 | A kind of double spool brake valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106926837A true CN106926837A (en) | 2017-07-07 |
| CN106926837B CN106926837B (en) | 2019-03-29 |
Family
ID=59426187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710221217.9A Active CN106926837B (en) | 2017-04-06 | 2017-04-06 | A kind of double spool brake valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106926837B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1428173A (en) * | 1973-03-12 | 1976-03-17 | Dewandre Co Ltd C | Dual brake valves |
| CN201043541Y (en) * | 2007-04-30 | 2008-04-02 | 江苏鼎晟液压有限公司 | Pedal valve |
| CN204506879U (en) * | 2015-03-13 | 2015-07-29 | 湖南凯恩利液压机械制造有限公司 | A kind of negative proportional control rides reducing valve |
| CN205010221U (en) * | 2015-10-09 | 2016-02-03 | 吉林东光奥威汽车制动系统有限公司 | Proportional valve assembly with adjustable break |
| CN205036662U (en) * | 2015-09-08 | 2016-02-17 | 襄阳彼勒液压机械有限公司 | Double - circuit vary voltage formula hydraulic brake valve |
| CN206749784U (en) * | 2017-04-06 | 2017-12-15 | 许昌学院 | A kind of double spool brake valve |
-
2017
- 2017-04-06 CN CN201710221217.9A patent/CN106926837B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1428173A (en) * | 1973-03-12 | 1976-03-17 | Dewandre Co Ltd C | Dual brake valves |
| CN201043541Y (en) * | 2007-04-30 | 2008-04-02 | 江苏鼎晟液压有限公司 | Pedal valve |
| CN204506879U (en) * | 2015-03-13 | 2015-07-29 | 湖南凯恩利液压机械制造有限公司 | A kind of negative proportional control rides reducing valve |
| CN205036662U (en) * | 2015-09-08 | 2016-02-17 | 襄阳彼勒液压机械有限公司 | Double - circuit vary voltage formula hydraulic brake valve |
| CN205010221U (en) * | 2015-10-09 | 2016-02-03 | 吉林东光奥威汽车制动系统有限公司 | Proportional valve assembly with adjustable break |
| CN206749784U (en) * | 2017-04-06 | 2017-12-15 | 许昌学院 | A kind of double spool brake valve |
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| Publication number | Publication date |
|---|---|
| CN106926837B (en) | 2019-03-29 |
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Effective date of registration: 20201229 Address after: 223800 no.66-68, south of Kunlunshan Road, high tech Industrial Development Zone, Suqian City, Jiangsu Province Patentee after: Jiangsu Lianxin Valve Co.,Ltd. Address before: Weidu District Bayi Road Xuchang city Henan province 461000 No. 88 Patentee before: XUCHANG University |
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