CN108869430A - A kind of small-sized distributing valve - Google Patents
A kind of small-sized distributing valve Download PDFInfo
- Publication number
- CN108869430A CN108869430A CN201811086526.0A CN201811086526A CN108869430A CN 108869430 A CN108869430 A CN 108869430A CN 201811086526 A CN201811086526 A CN 201811086526A CN 108869430 A CN108869430 A CN 108869430A
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- Prior art keywords
- valve
- valve body
- oil
- spring
- small
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lift Valve (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a kind of small-sized distributing valves,Including,Valve body,Oil inlet is arranged in the upper end of the valve body,The lower end of the valve body is provided with oil return hole,Spool bore is arranged in the intermediate of the valve body,The inside right end of the spool bore is equipped with the first O-ring,The left side upper end of the valve body is equipped with attachment screw by screw thread,The attachment screw is connected with handle by pin shaft far from one end of valve body,The first spring is provided between a pair of spring stop piece,The valve body right end is equipped with spring base by soket head cap screw,The center of the spring base is set in valve rod one end,The position that the valve body is contacted with spring base is provided with the second O-ring,The lower end of the valve body, which is arranged in be provided with beside oil return hole, is equipped with emergency valve seat,The right end that the position of the spool bore is located at oil inlet is provided with logical oil groove,The logical oil groove is connected to working hole,The center of the handle is connected with the left end of valve rod by pin shaft.The rational deployment of structure of the invention, it is possible to reduce the volume of distributing valve.
Description
Technical field
The present invention relates to hydraulic valve technology, in particular to a kind of small-sized distributing valve.
Background technique
There are many prominent advantages for hydraulic drive, therefore it is very widely used, such as the plastic processing of general industry
Machinery, press, lathe etc.；Engineering machinery, building machinery, agricultural machinery, automobile in walking machine etc.；Steel and iron industry is used
Metallurgical machinery, lifting device, roll adjusting device etc.；Flood gate and dam installation, the riverbed liter of building hydraulic engineering
Falling unit, bridge operating mechanism etc.；Power plant turbine speed regulation device, nuclear power plant etc.；The deck crane tool of ship
(winch), fore door, bulkhead valve, stern propeller etc.；Huge antenna control device, the measurement buoy, lifting of special technique
Revolving stage etc.；The folding and unfolding of the cannon manipulation device, ship stabilizer, aerial vehicle simulation, undercarriage of war industry
Apparatus and direction rudder control device etc..
Hydraulic control component (i.e. various hydraulic valves) controls in hydraulic system and adjusts pressure, flow and the side of liquid
To.According to the difference of control function, hydraulic valve can be divided into pressure-control valve, flow control valve and directional control valve.Pressure control
Valve includes overflow valve (safety valve), pressure reducing valve, sequence valve, pressure switch etc.；Flow control valve include throttle valve, adjustment valve,
Flow divider-combiner etc.；Directional control valve includes check valve, hydraulic control one-way valve, shuttle valve, reversal valve etc..It is different according to control mode,
Hydraulic valve can be divided into bang-bang control valve, setting control valve and proportional control valve.
Reversal valve is the directional control valve with two or more liquid forms and more than two hydraulic fluid ports.It is to realize hydraulic oil stream
Communication, cutting and commutation and discharge degree and sequentially-operating control valve.Reversal valve can be divided into hand-operated direction valve, electricity
Magnetic reversal valve, electro-hydraulic reversing valve etc..Reversal valve has multidirectional adjustable channel, can change fluid flow direction in due course.When work by
Drive transmission device rotate driving axis outside valve, band shake connecting lever, start valve plate, make to lead to valve from left entry when working fluid
Lower part outlet, when and from right entry transformation lead to lower part outlet, realize periodic transformation flow direction purpose.
Hydraulic distributing valve belongs to monoblock type single channel reversal valve, is widely used in the hydraulic control of engineering machinery and farm machinery
In system.
Structure is complicated for existing hydraulic distributing valve, the occupied space of oil circuit arrangement, not economical and practical enough.
Summary of the invention
The purpose of the present invention is to provide a kind of small-sized distributing valves.Matched with solving the existing hydraulic separate of technical background proposition
Valve arrangement is complicated, the occupied space of oil circuit arrangement, not economical and practical enough problem.
To achieve the above object, the present invention provides the following technical solutions：A kind of small-sized distributing valve of the present invention, including, valve body,
Oil inlet is arranged in the upper end of the valve body, and the lower end of the valve body is provided with oil return hole, and spool bore is arranged in the intermediate of the valve body,
The inside right end of the spool bore is equipped with the first O-ring, and the left side upper end of the valve body is equipped with attachment screw by screw thread,
The one end of the attachment screw far from valve body is connected with handle by pin shaft, and the spool bore internal clearance is combined with valve rod, spool
The fit clearance of hole and valve rod is 0.01-0.015mm, must be removed the machined burrs of valve rod when assembly clean and clear
It is being assembled after washing；The right end of the valve body is provided with cylinder groove, and the peace of one end inside cylinder groove is arranged in the valve rod
Equipped with a pair of of spring stop piece, the spring stop piece on the left side and the bottom surface of cylinder groove offset, and are provided between a pair of spring stop piece
First spring, the valve body right end are equipped with spring base by soket head cap screw, and the center of the spring base is set in valve rod one
End, the position that the valve body is contacted with spring base are provided with the second O-ring, and the side of oil return hole is arranged in the lower end of the valve body
It is provided with and emergency valve seat is installed, the inside center of the emergency valve seat is equipped with gasket and second spring, the gasket setting
In the centre bottom of emergency valve seat, described second spring one end offsets with gasket end face, and the second spring other end is arranged cone
The upper end of valve one end, the emergency valve seat is equipped with conical valve base in valve inner, and valve body is to be threadedly coupled with conical valve base, the cone
The oil-through-hole of valve being arranged with the center of conical valve base cooperates linear sealing, and the position of the spool bore is located at the right end setting of oil inlet
There is logical oil groove, the logical oil groove is connected to working hole, and the center of the handle is connected with the left end of valve rod by pin shaft.
Preferably, the attachment screw is connected with locking nut close to the external screw-thread of valve body.Locking nut is used for valve
Body and attachment screw are simultaneously tight, and attachment screw falls off during preventing handle from pushing and pulling.
Preferably, the spool bore and the cylinder groove are arranged concentrically.The roughness grade number of spool bore is 0.8, valve rod
Surface roughness be 0.4.
Preferably, the position of the valve body and emergency valve seat contact is provided with bonded washer.Bonded washer is standard
Part inner ring has a circle rubber, for preventing the link position oil leak between valve body and emergency valve seat.
Preferably, conical valve base axial centre position is provided with oil-through-hole, and the oil-through-hole and oil inlet penetrate through.Work as oil
When the pressure of liquid is greater than the elastic force of second spring, hydraulic oil opens cone valve, and oil liquid is flowed out from oil return hole, by whole system
Pressure lowers, and when reaching the Spring balanced with second spring, cone valve is contacted with oil-through-hole, cuts off oil circuit.
Preferably, oil duct with oil inlet, the oil return hole of the gap setting between the emergency valve seat and conical valve base are connected to.It is logical
The propulsion and pull-out for crossing valve rod can turn on or off the oil circuit.
Compared with prior art, the beneficial effects of the invention are as follows：By under the upper end of valve body setting oil inlet, valve body
End is provided with oil return hole, and spool bore is arranged in the intermediate of valve body, and the inside right end of spool bore is equipped with the first O-ring, the right side of valve body
End is provided with cylinder groove, and valve rod is arranged in one end inside cylinder groove and is equipped with a pair of of spring stop piece, the spring stop piece on the left side with
The bottom surface of cylinder groove offsets, and the first spring is provided between a pair of of spring stop piece, and valve body right end is equipped with by soket head cap screw
Spring base, the center of spring base are set in valve rod one end, and the lower end of valve body, which is arranged in beside oil return hole to be provided with, is equipped with peace
Full valve seat, the inside center of emergency valve seat are equipped with gasket and second spring, and the centre bottom of emergency valve seat is arranged in gasket, the
Two spring one ends offset with gasket end face, and the second spring other end is arranged cone valve one end, and the upper end of emergency valve seat is in valve inner
Conical valve base is installed, the oil-through-hole of cone valve being arranged with the center of conical valve base cooperates linear sealing, and the position of spool bore is located at oil inlet
The right end of mouth is provided with logical oil groove.By the first O-ring, the second O-ring and bonded washer of setting, can have to valve body
The sealing of effect prevents hydraulic oil external leakage.The rational deployment of structure of the invention, it is possible to reduce the volume of distributing valve makes this distribution
Valve is more convenient and practical.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of small-sized distributing valve of the invention；
Fig. 2 is a kind of overall structure diagram of small-sized distributing valve of the invention；
Fig. 3 is a kind of emergency valve seat structural schematic diagram of small-sized distributing valve of the invention；
Fig. 4 is a kind of conical valve base structural schematic diagram of small-sized distributing valve of the invention.
In figure：Valve body 1, oil inlet 101, oil return hole 102, spool bore 103, cylinder groove 104 lead to oil groove 105, working hole
106, the first O-ring 2, locking nut 3, handle 4, attachment screw 5, conical valve base 6, oil-through-hole 601, bonded washer 7, cone valve 8, the
Two springs 9, emergency valve seat 10, gasket 11, the first spring 12, soket head cap screw 13, spring base 14, valve rod 15, the second O-ring
16, spring stop piece 17.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs 1-4, a kind of small-sized distributing valve, including, oil inlet 101, institute is arranged in the upper end of valve body 1, the valve body 1
The lower end for stating valve body 1 is provided with oil return hole 102, and spool bore 103, the inside of the spool bore 103 is arranged in the intermediate of the valve body 1
Right end is equipped with the first O-ring 2, and the left side upper end of the valve body 1 is equipped with attachment screw 5, the attachment screw 5 by screw thread
One end far from valve body 1 is connected with handle 4 by pin shaft, and 103 internal clearance of spool bore is combined with valve rod 15, spool bore 103
Be 0.01-0.015mm with the fit clearance of valve rod 15, clearance fit can guarantee valve rod 15 inside spool bore 103 without clamping stagnation into
Row sliding；The right end of the valve body 1 is provided with cylinder groove 104, and the installation of one end inside cylinder groove 104 is arranged in the valve rod 15
There is a pair of of spring stop piece 17, the spring stop piece 17 on the left side and the bottom surface of cylinder groove 104 offset, between a pair of spring stop piece 17
It is provided with the first spring 12,1 right end of valve body is equipped with spring base 14 by soket head cap screw 13, in the spring base 14
The heart is set in 15 one end of valve rod, and the position that the valve body 1 is contacted with spring base 14 is provided with the second O-ring 16, the valve body 1
The side that oil return hole 102 is arranged in lower end, which is provided with, is equipped with emergency valve seat 10, the inside center installation of the emergency valve seat 10
Have a gasket 11 and second spring 9, the gasket 11 is arranged in the centre bottom of emergency valve seat 10, described 9 one end of second spring with
11 end face of gasket offsets, and 9 other end of second spring is arranged 8 one end of cone valve, and the upper end of the emergency valve seat 10 is in valve body 1
Portion is equipped with conical valve base 6, and valve body 1 with conical valve base 6 in order to be threadedly coupled, lead to by the center setting with conical valve base 6 of the cone valve 8
Oilhole 601 cooperates linear sealing, and the right end that the position of the spool bore 103 is located at oil inlet 101 is provided with logical oil groove 105, described
Logical oil groove 105 is connected to working hole 106, and the center of the handle 4 is connected with the left end of valve rod 15 by pin shaft.The connection
Screw 5 is connected with locking nut 3 close to the external screw-thread of valve body 1.The spool bore 103 and the concentric of the cylinder groove 104 set
It sets.The position that the valve body 1 and the emergency valve seat 10 contact is provided with bonded washer 7.The 6 axial centre position of conical valve base
It is provided with oil-through-hole 601, the oil-through-hole 601 is penetrated through with oil inlet 101.Between between the emergency valve seat 10 and conical valve base 6
The oil duct of gap setting is connected to oil inlet 101, oil return hole 102.
Specifically, when in use, first cleaning up all components of the present apparatus with ultrasonic cleaning agent, then will
Valve rod 15 fills in spool bore 103, pushes and pulls valve rod 15 back and forth and guarantees movement without clamping stagnation.Then by valve rod 15 extract and with the first spring
12, spring stop piece 17 is assembled, and then spring base 14 is mounted on valve body 1, and attachment screw 5 is mounted on valve body 1, will
Handle 4 is mounted on attachment screw 5 and valve rod 15, and conical valve base 6 is mounted on to the inside of valve body 1, by second spring 9, gasket 11
Inside emergency valve seat 11, cone valve 8 is mounted on to the position of conical valve base 6, emergency valve seat 11 is screwed on valve body 1.Group installs
At later, oil inlet 101 is tapped into oil pipe, oil return hole 102 takes back oil pipe line, and working hole 106 connects working line；It is then turned on
Hydraulic pump, when the pressure of oil liquid is greater than the elastic force of second spring 9, hydraulic oil opens cone valve 8, and oil liquid is from oil return hole 102
Outflow, the pressure of whole system is lowered, when reaching the Spring balanced with second spring 9, cone valve 8 and oil-through-hole 601
Oil circuit is cut off in contact.May be implemented by the propulsion and pulling valve rod 15 of handle 4 will be between oil inlet 101 and working hole 106
Oil circuit is connected, is closed, and to work system for pressure oil, realizes the effect of single channel distribution hydraulic oil.Gasket 11 can be set one
Or it is multiple, the decrement of second spring 9 is adjusted to adjust the cracking pressure of cone valve 8, and the decrement of second spring 9 is bigger, cone
The cracking pressure of valve 8 is bigger, otherwise smaller.First O-ring 2 and the second O-ring 16 play the role of sealing, prevent hydraulic oil
Leakage.The rational deployment of structure of the invention, it is possible to reduce the volume of distributing valve keeps this distributing valve more convenient and practical.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (7)
1. a kind of small-sized distributing valve, including, valve body (1), which is characterized in that oil inlet is arranged in the upper end of the valve body (1)
(101), the lower end of the valve body (1) is provided with oil return hole (102), and spool bore (103) are arranged in the intermediate of the valve body (1), institute
The inside right end for stating spool bore (103) is equipped with the first O-ring (2), and the left side upper end of the valve body (1) is equipped with by screw thread
Attachment screw (5), the attachment screw (5) are connected with handle (4), the spool bore by pin shaft far from the one end of valve body (1)
(103) internal clearance is combined with valve rod (15), and the right end of the valve body (1) is provided with cylinder groove (104), valve rod (15) setting
It is equipped with a pair of of spring stop piece (17) in the internal one end of cylinder groove (104), the spring stop piece (17) on the left side and cylinder groove (104)
Bottom surface offset, be provided with the first spring (12) between a pair of spring stop piece (17), valve body (1) right end passes through interior six
Angle screw (13) is equipped with spring base (14), and the center of the spring base (14) is set in valve rod (15) one end, the valve body (1)
Lower end setting be provided with and be equipped with emergency valve seat (10) beside oil return hole (102), the inside of the emergency valve seat (10)
Center is equipped with gasket (11) and second spring (9), and the centre bottom in emergency valve seat (10) is arranged in the gasket (11), described
Second spring (9) one end offsets with gasket (11) end face, and second spring (9) other end is arranged cone valve (8) one end, the peace
The upper end of full valve seat (10) is equipped with conical valve base (6) inside the valve body (1), and the cone valve (8) sets with the center of conical valve base (6)
Oil-through-hole (601) the cooperation linear sealing set, the right end that the position of the spool bore (103) is located at oil inlet (101) is provided with logical
Oil groove (105), logical oil groove (105) connection working hole (106), the center of the handle (4) is connected with by pin shaft
The left end of valve rod (15).
2. a kind of small-sized distributing valve according to claim 1, which is characterized in that the attachment screw (5) is close to valve body (1)
External screw-thread be connected with locking nut (3).
3. a kind of small-sized distributing valve according to claim 1, which is characterized in that the spool bore (103) and the cylinder
Slot (104) are arranged concentrically.
4. a kind of small-sized distributing valve according to claim 1, which is characterized in that the valve body (1) and the emergency valve seat
(10) position contacted is provided with bonded washer (7).
5. a kind of small-sized distributing valve according to claim 1, which is characterized in that conical valve base (6) the axial centre position
It is provided with oil-through-hole (601), the oil-through-hole (601) and oil inlet (101) penetrate through.
6. a kind of small-sized distributing valve according to claim 1, which is characterized in that the emergency valve seat (10) and conical valve base
(6) oil duct of the gap setting between is connected to oil inlet (101), oil return hole (102).
7. a kind of small-sized distributing valve according to claim 1, which is characterized in that the valve body (1) connects with spring base (14)
The position of touching is provided with the second O-ring (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811086526.0A CN108869430B (en) | 2018-09-18 | 2018-09-18 | Small-size distribution valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811086526.0A CN108869430B (en) | 2018-09-18 | 2018-09-18 | Small-size distribution valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108869430A true CN108869430A (en) | 2018-11-23 |
| CN108869430B CN108869430B (en) | 2020-08-14 |
Family
ID=64324292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811086526.0A Active CN108869430B (en) | 2018-09-18 | 2018-09-18 | Small-size distribution valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108869430B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995004887A1 (en) * | 1993-08-11 | 1995-02-16 | Mannesmann Rexroth Gmbh | Valve, in particular distributing valve |
| CN2262148Y (en) * | 1996-07-18 | 1997-09-10 | 海城市永兴机械制造厂 | Spring loaded safety valve |
| JP2006200179A (en) * | 2005-01-19 | 2006-08-03 | Nabtesco Corp | Hydraulic circuit |
| CN201232785Y (en) * | 2008-05-08 | 2009-05-06 | 周重威 | Ultra-high pressure overflow valve |
| CN202108802U (en) * | 2011-06-22 | 2012-01-11 | 刘代发 | Pressure-limiting air control distribution valve for dump truck |
| CN103790883A (en) * | 2014-01-25 | 2014-05-14 | 中国北方车辆研究所 | Double-pump flow dividing control valve |
| CN203796647U (en) * | 2014-05-05 | 2014-08-27 | 宜宾赛伦格交通有限责任公司 | Manual control distribution valve |
| CN104822496A (en) * | 2012-11-28 | 2015-08-05 | 阿特拉斯·科普柯凿岩设备有限公司 | Device in rock drilling machine and rock drilling machine |
| CN205503592U (en) * | 2015-12-21 | 2016-08-24 | 宜宾赛伦格交通有限责任公司 | Gas accuse distribution valve |
| CN108252977A (en) * | 2018-02-05 | 2018-07-06 | 陈艳艳 | A kind of oil path distribution valve for large-flow hydraulic system |
-
2018
- 2018-09-18 CN CN201811086526.0A patent/CN108869430B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995004887A1 (en) * | 1993-08-11 | 1995-02-16 | Mannesmann Rexroth Gmbh | Valve, in particular distributing valve |
| CN2262148Y (en) * | 1996-07-18 | 1997-09-10 | 海城市永兴机械制造厂 | Spring loaded safety valve |
| JP2006200179A (en) * | 2005-01-19 | 2006-08-03 | Nabtesco Corp | Hydraulic circuit |
| CN201232785Y (en) * | 2008-05-08 | 2009-05-06 | 周重威 | Ultra-high pressure overflow valve |
| CN202108802U (en) * | 2011-06-22 | 2012-01-11 | 刘代发 | Pressure-limiting air control distribution valve for dump truck |
| CN104822496A (en) * | 2012-11-28 | 2015-08-05 | 阿特拉斯·科普柯凿岩设备有限公司 | Device in rock drilling machine and rock drilling machine |
| CN103790883A (en) * | 2014-01-25 | 2014-05-14 | 中国北方车辆研究所 | Double-pump flow dividing control valve |
| CN203796647U (en) * | 2014-05-05 | 2014-08-27 | 宜宾赛伦格交通有限责任公司 | Manual control distribution valve |
| CN205503592U (en) * | 2015-12-21 | 2016-08-24 | 宜宾赛伦格交通有限责任公司 | Gas accuse distribution valve |
| CN108252977A (en) * | 2018-02-05 | 2018-07-06 | 陈艳艳 | A kind of oil path distribution valve for large-flow hydraulic system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108869430B (en) | 2020-08-14 |
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200721 Address after: 318050, Zhejiang Province, Luqiao District, Taizhou Province town of clouds under the side street Applicant after: Zhejiang Zhilun electromechanical Co., Ltd Address before: 277600 No. 14 Wenxing Lane, Kuiwen Road, Weishan County, Jining City, Shandong Province Applicant before: Tang Wangang |
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Denomination of invention: A small distribution valve Effective date of registration: 20210910 Granted publication date: 20200814 Pledgee: Zhejiang Luqiao Taizhou rural commercial bank Limited by Share Ltd. Pledgor: Zhejiang Zhilun electromechanical Co., Ltd Registration number: Y2021330001501 |