CN201096115Y - Hydraulic combined valve - Google Patents

Hydraulic combined valve Download PDF

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Publication number
CN201096115Y
CN201096115Y CNU2008200304149U CN200820030414U CN201096115Y CN 201096115 Y CN201096115 Y CN 201096115Y CN U2008200304149 U CNU2008200304149 U CN U2008200304149U CN 200820030414 U CN200820030414 U CN 200820030414U CN 201096115 Y CN201096115 Y CN 201096115Y
Authority
CN
China
Prior art keywords
valve
way throttle
throttle valve
actuator port
selector
Prior art date
Application number
CNU2008200304149U
Other languages
Chinese (zh)
Inventor
陆新
Original Assignee
常州乙顿液压气动机械制造有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 常州乙顿液压气动机械制造有限公司 filed Critical 常州乙顿液压气动机械制造有限公司
Priority to CNU2008200304149U priority Critical patent/CN201096115Y/en
Application granted granted Critical
Publication of CN201096115Y publication Critical patent/CN201096115Y/en

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Abstract

The utility model relates to a hydraulic valve, in particular to a hydraulic combination valve which is a small-sized hydraulic station with the functions of direction reversing, pressure adjustment and two-way control. The utility model is provided with a valve body, wherein, an oil inlet port, an oil return port, a first working port and a second working port are respectively arranged on the outer wall of the valve body; a spillover valve, a reversing valve, a first one-way throttle valve and a second one-way throttle valve are arranged in the valve body; the oil inlet port, the oil return port, the spillover valve, the reversing valve, the first on-way throttle valve, the second one-way throttle valve, the first working port and the second working port are connected by an internal oil passage in the valve body; the oil inlet port is communicated with the first working port or the second working port via the spillover valve, the reversing valve, the first one-way throttle valve or the second one-way throttle valve; the spillover valve, the first one-way throttle valve and the second one-way throttle valve are respectively provided with a device for adjusting the working pressure; the device for adjusting the working pressure extends out of the outer wall of the valve.

Description

The hydraulic pressure combination brake switch and proporting
Technical field
The utility model relates to a kind of hydrovalve, especially a kind of hydraulic pressure combination brake switch and proporting.
Background technique
At chemical machinery; instrument hydraulic pressure; in the widely used hydraulic system in fields such as engineering machinery; regular meeting uses has simple commutation; and the small-sized hydraulic station of pressure regulation and two-way control function; this small-sized hydraulic station includes three position four-way directional control valve; relief valve and one-way throttle valve; selector valve is controlled the direction of action of hydraulic actuator and is stopped; the reverse back pressure and the speed governing of the two-way oil circuit of one-way throttle valve control actuating component; the master control oil circuit pressure of relief valve control actuating component; prior art is with a three position four-way directional control valve; a relief valve and two one-way throttle valves such hydraulic station that is formed by connecting by the road; sum up such hydraulic station owing to use a plurality of valves and the pipeline that links to each other, so there is such shortcoming: it is many to take up room; the installation and maintenance inconvenience; poor reliability and cost height.
Summary of the invention
The technical problems to be solved in the utility model is: a kind of the have commutation and the small-sized hydraulic station of pressure regulation and two-way control function are provided, overcome existing with three kinds of valves with oil pipe carry out that oil circuit is formed by connecting that taking up room of hydraulic station is many, installation and maintenance are inconvenient, poor reliability and defect of high cost.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of hydraulic pressure combination brake switch and proporting, has valve body, on the outer wall of valve body, be respectively arranged with filler opening, return opening and first actuator port, second actuator port, in valve body, be provided with relief valve, selector valve, first one-way throttle valve and second one-way throttle valve; Described filler opening, return opening, relief valve, selector valve, first one-way throttle valve and second one-way throttle valve and first actuator port, second actuator port are connected by the inside oil duct in the valve body, and filler opening can communicate with first actuator port or second actuator port through relief valve selector valve, first one-way throttle valve or second one-way throttle valve successively.
In order to realize adjusting, has the device that is used to regulate working pressure that stretches out valve outer wall respectively at described relief valve, first one-way throttle valve and second one-way throttle valve to the working pressure of relief valve and throttle valve.
In order to improve the reliability of hydraulic pressure combination brake switch and proporting, prevent to leak, described relief valve, first one-way throttle valve and second one-way throttle valve are Thread valve.
In order to realize the reversing maneuver to selector valve, described selector valve has the external part that stretches out in the valve body outside valve body.If situation about manually commutating, then the external part of described selector valve is connected with and is used to stir the handle that commutation is moved about selector valve.
The beneficial effects of the utility model are to the utlity model has the advantage of the following aspects:
One) volume is little: as will be with four valves with common valve, volume only be 1/3rd original volumes now, and more attractive in appearance.
Two) easy for installation: as to use this valve only need connect two road oil inlet and outlets and two road executive component work get final product.
Three) easy to maintenance: two one-way throttle valves, relief valve can adopt existing international advanced thread type one valve body, only need be with once can be with three valve dismounting and change spanner during replacing.
Four) reliability height: because the Thread valve that adopts can guarantee that three Thread valves do not have and leak outside.
Five) cost performance height: if select overflow common valve integrated valve group for use, cost is three times of existing hydrovalve approximately.
Six) in light weight: overall weight only is equivalent to 1/5th of the integrated combination of common valve, makes and saves greatly with material.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a hydraulic schematic diagram of the present utility model.
Fig. 2 is a structural representation of the present utility model.
1. valve bodies among the figure, 2. filler opening, 3. return opening, 4. first actuator port, 5. second actuator port, 6. relief valve, 7. selector valve, 8. first one-way throttle valve, 9. second one-way throttle valve, 10. inner oil duct.
Embodiment
Accompanying drawing 1 has provided the hydraulic schematic diagram at the small-sized hydraulic station with simple commutation and pressure regulation and two-way control function commonly used in the hydraulic system.
Accompanying drawing 2 is a kind of concrete structures of the utility model hydraulic pressure combination brake switch and proporting, has valve body 1, valve body 1 is shaped as rectangle, the end of the outer wall of valve body 1, be provided with filler opening 2, return opening 3, one sidewall of the outer wall of valve body 1 is provided with first actuator port 4, second actuator port 5, first actuator port 4 and second actuator port 5 communicate with two oil pockets of operating cylinder respectively, are provided with relief valve 6, selector valve 7, first one-way throttle valve 8 and second one-way throttle valve 9 in valve body 1; Filler opening 2, return opening 3, relief valve 6, selector valve 7, first one-way throttle valve 8 and second one-way throttle valve 9 and first actuator port 4, second actuator port 5 are connected by the inside oil duct 10 in the valve body 1, filler opening 2 can communicate with first actuator port 4 or second actuator port 5 through relief valve 6, selector valve 7, first one-way throttle valve 8 or second one-way throttle valve 9 successively, and the be provided with form of inner oil duct 10 in valve body 1 meets the requirement of catenation principle shown in the accompanying drawing 1.
On accompanying drawing 2, for relief valve 6, first one-way throttle valve 8 and second one-way throttle valve 9, its spool and valve core spring are arranged on the inside of valve body 1, have the device that is used to regulate its working pressure that stretches out valve body 1 outer wall simultaneously respectively.
In accompanying drawing 2, relief valve 6, first one-way throttle valve 8 and second one-way throttle valve 9 adopt Thread valve.
Has the external part that outside valve body, stretches out in the valve body as selector valve 7 on the accompanying drawing 2, if what commutation was adopted is the form of machine control, then this external part links to each other with the machine drive device, if what adopt is manual form, then this external part is connected with and is used to stir the handle that commutation is moved about selector valve.On the accompanying drawing 2, this external part is on the right side of view, and machine drive device or handle are not drawn.
Accompanying drawing 2 is introduced working principle of the present utility model and working procedure more below:
One, off position
Oil sources enters valve body 1 through filler opening 2 and is divided into two-way, one the tunnel enters in selector valve 7 valve rods (being hollow in the valve), fluid enters the left side through inner oil duct 10 laggard return openings 3 by spool bore, make system can't build pressure, make that oil sources is a unloading condition when valve is not worked, help energy saving of system and prevent that oily temperature from rising sharply.
Two, working state
The valve rod of selector valve 7 moves to left oil sources in selector valve 7 valve rods, when valve rod is moved to the left, fluid enters first one-way throttle valve, 8 filler openings by selector valve 7 valve rods through inner oil duct 10, because the pressure effect overcomes first one-way throttle valve, 8 spring forces and makes spool to moving down, make fluid enter first actuator port 4 and enter external oil cylinder, cylinder piston motion, another chamber oil of oil cylinder is got back to second one-way throttle valve 9 through second actuator port 5, the valve clearance of regulating by second one-way throttle valve 9 arrives this throttle valve epicoele, fluid enters selector valve 7 by inner oil duct 10, position, a left side makes fluid lead directly to return opening 3 because selector valve 7 spools are shuffled.
The selector valve 7 valve rods path that moves to right and move to left is opposite, is that second actuator port 5 is fuel-displaced, 4 oil returns of first actuator port, thus realize the reversing motion of oil cylinder.
When hydraulic pressure combination brake switch and proporting first actuator port 4 or second actuator port 5 run into load, system pressure raises when reaching relief valve 6 adjusting pressure, pressure oil overcomes relief valve 6 valve core springs to make relief valve 6 poppet valve cores retreat to make pressure oil enter relief valve 6 back cavity straight gyrus to return opening 3, the superelevation pressure energy is discharged rapidly reach pressure stability, when pressure was lower than relief valve 6 set pressures, poppet valve core was to close dead no overflow phenomena.
In a word, main inventive point of the present utility model is that three kinds of different valve members are integrated, and gives full play to the performance and the reliability of each valve.

Claims (5)

1. hydraulic pressure combination brake switch and proporting, it is characterized in that: have valve body (1), on the outer wall of valve body (1), be respectively arranged with filler opening (2), return opening (3) and first actuator port (4), second actuator port (5), in valve body (1), be provided with relief valve (6), selector valve (7), first one-way throttle valve (8) and second one-way throttle valve (9); Described filler opening (2), return opening (3), relief valve (6), selector valve (7), first one-way throttle valve (8) and second one-way throttle valve (9) and first actuator port (4), second actuator port (5) are connected by the inside oil duct (10) in the valve body (1), and filler opening (2) can communicate with first actuator port (4) or second actuator port (5) through relief valve (6), selector valve (7), first one-way throttle valve (8) or second one-way throttle valve (9) successively.
2. hydraulic pressure combination brake switch and proporting according to claim 1 is characterized in that: have the device that is used to regulate working pressure that stretches out valve body (1) outer wall respectively at described relief valve (6), first one-way throttle valve (8) and second one-way throttle valve (9).
3. hydraulic pressure combination brake switch and proporting according to claim 1 and 2 is characterized in that: described relief valve (6), first one-way throttle valve (8) and second one-way throttle valve (9) are Thread valve.
4. hydraulic pressure combination brake switch and proporting according to claim 1 is characterized in that: described selector valve (7) has the external part that stretches out in the valve body outside valve body.
5. hydraulic pressure combination brake switch and proporting according to claim 4 is characterized in that: the external part of described selector valve (7) is connected with and is used to stir the handle that commutation is moved about selector valve.
CNU2008200304149U 2008-01-03 2008-01-03 Hydraulic combined valve CN201096115Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200304149U CN201096115Y (en) 2008-01-03 2008-01-03 Hydraulic combined valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200304149U CN201096115Y (en) 2008-01-03 2008-01-03 Hydraulic combined valve

Publications (1)

Publication Number Publication Date
CN201096115Y true CN201096115Y (en) 2008-08-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008200304149U CN201096115Y (en) 2008-01-03 2008-01-03 Hydraulic combined valve

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Country Link
CN (1) CN201096115Y (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101725583B (en) * 2009-11-20 2012-01-18 无锡亚中自动化设备有限公司 Combined valve
CN102635585A (en) * 2012-03-31 2012-08-15 中联重科股份有限公司 Valve bank, hydraulic control loop and auxiliary device for assembling or disassembling parts
CN103174695A (en) * 2013-03-12 2013-06-26 中国十七冶集团有限公司 Two-position double-control combined valve for hydraulic device
CN106382269A (en) * 2016-09-22 2017-02-08 安徽理工大学 Combination valve with speed governing, reversing and overflow functions
CN108252975A (en) * 2018-01-23 2018-07-06 宁波文泽机电技术开发有限公司 Two-way secondary pressure rotary buffering valve
CN108252974A (en) * 2018-01-23 2018-07-06 宁波文泽机电技术开发有限公司 A kind of compact rotary buffering valve

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101725583B (en) * 2009-11-20 2012-01-18 无锡亚中自动化设备有限公司 Combined valve
CN102635585A (en) * 2012-03-31 2012-08-15 中联重科股份有限公司 Valve bank, hydraulic control loop and auxiliary device for assembling or disassembling parts
CN102635585B (en) * 2012-03-31 2015-08-05 中联重科股份有限公司 The auxiliary device of valve group, hydraulic control circuit and installation or removal component
CN103174695A (en) * 2013-03-12 2013-06-26 中国十七冶集团有限公司 Two-position double-control combined valve for hydraulic device
CN106382269A (en) * 2016-09-22 2017-02-08 安徽理工大学 Combination valve with speed governing, reversing and overflow functions
CN108252975A (en) * 2018-01-23 2018-07-06 宁波文泽机电技术开发有限公司 Two-way secondary pressure rotary buffering valve
CN108252974A (en) * 2018-01-23 2018-07-06 宁波文泽机电技术开发有限公司 A kind of compact rotary buffering valve
CN108252975B (en) * 2018-01-23 2019-09-20 江苏柯伊诺阀门有限公司 Two-way secondary pressure rotary buffering valve
CN108252974B (en) * 2018-01-23 2019-10-22 江苏桑力太阳能产业有限公司 A kind of compact rotary buffering valve

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Assignee: CHANGZHOU YIDUN HYDRAULIC TECHNOLOGY CO., LTD.

Assignor: Changzhou Yidun Hydraulic & Pneumatic Machine Manufacturing Co., Ltd.

Contract record no.: 2010320001002

Denomination of utility model: Hydraulic combination valve

Granted publication date: 20080806

License type: Exclusive License

Record date: 20100722

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080806

Termination date: 20110103

C17 Cessation of patent right