CN106949111B - Hand-operated direction valve - Google Patents
Hand-operated direction valve Download PDFInfo
- Publication number
- CN106949111B CN106949111B CN201710245922.2A CN201710245922A CN106949111B CN 106949111 B CN106949111 B CN 106949111B CN 201710245922 A CN201710245922 A CN 201710245922A CN 106949111 B CN106949111 B CN 106949111B
- Authority
- CN
- China
- Prior art keywords
- spool
- regulation handle
- positioning
- end cap
- valve body
- 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.)
- Active
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a kind of hand-operated direction valves, including valve body, spool, two end cap, reset spring and regulation handle, the regulation handle is connected to spool one end and drives its mobile control oil communication in valve body, reset spring is mounted on the driving valve core reset valve body between the spool other end and end cap Nei, a positioning disk is connected on the end cap for being located at regulation handle side, spool stretch out end cap and regulation handle can axial-rotation connection, regulation handle is threadedly connected at the axle center of positioning disk, a positioning pin is plugged between regulation handle and positioning disk, regulation handle rotation band movable valve plug moves axially in valve body realizes oil communication, positioning pin grafting realizes spool in the positioning of different trips position by controlling to adjust rotational positioning of the handle on positioning disk.The configuration of the present invention is simple, at low cost, stroke controls precision height, can effectively reduce the abrasion between spool and valve body, and realization stepless speed regulation substantially has both manual and electronic double advantages, more reasonable and practical.
Description
Technical field
The present invention relates to a kind of hand-operated direction valves.
Background technique
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
The valve of communication, cutting and the commutation of stream and discharge degree and sequentially-operating control, can be divided into hand-operated direction valve, electromagnetism changes
To valve and electro-hydraulic reversing valve.
Hand-operated direction valve is the reversal valve to be replaced with manual lever operation spool, mainly includes spring automatic reset and spring steel
Pearl positions two kinds.The mode of spring reset, when the extraneous thrust cancelled to pull rod, spool is automatically multiple due to the thrust of spring
Position, cannot be fixed on a certain specific travel position.The mode of steel ball positioning, can only generally be positioned in three travel positions (in
Position, maximum open and reversed maximum open), positioning accuracy is lower, is unable to satisfy more point locations.
Solenoid directional control valve and electro-hydraulic reversing valve belong to autocontrol valve, they can be by exporting different electric currents, control
Different valve core openings is made, to realize in the case where no personnel intervene, keeps specific movement velocity, and can be achieved substantially
Stepless speed regulation, therefore be widely deployed in the hydraulic system of some control executing agency's movement velocitys.But current control
Security system is not high, electromagnet thrust is smaller, the case where spool hair fastener also often occurs, causes electromagnet to push away not movable valve plug, is
This generally requires installation hand reversing gears and is used cooperatively in the use process of existing solenoid directional control valve and electro-hydraulic reversing valve,
Realize that an emergency button effect, whole use cost are much higher than hand-operated direction valve to solenoid valve when power is off.
Summary of the invention
The purpose of the present invention is to provide a kind of spool positioning accuracy height, it can be achieved that the hand-operated direction valve of stepless speed regulation.
This hand-operated direction valve provided by the invention, including valve body, spool, two end cap, reset spring and regulation handle, should
Regulation handle is connected to spool one end and its mobile control oil communication, reset spring in valve body is driven to be mounted on the spool other end
Valve core reset is driven in valve body between end cap, is connected with a positioning disk, spool on the end cap for being located at regulation handle side
Stretch out end cap and regulation handle can axial-rotation connection, regulation handle is threadedly connected at the axle center of positioning disk, is adjusting hand
A positioning pin is plugged between handle and positioning disk, regulation handle rotation band movable valve plug moves axially in valve body realizes that oil circuit connects
Logical, positioning pin grafting realizes that spool is determined in different trips position by controlling to adjust rotational positioning of the handle on positioning disk
Position.
To make the present invention that can realize that regulation handle can bidirectional rotation control by the structure of Single spring control valve core two-way reset
Oil communication processed keeps control structure more simple, is equipped with a spring base being arranged symmetrically at the both ends of the reset spring, should
Two spring bases are connected to the spool other end by what a fastening screw was axially movable, the spool is mobile drive a spring base to
Another spring base is mobile to compress reset spring.
Torn open for convenience of quickly peace of the invention, be provided with an annular groove on the cylindrical surface that the spool stretches out end cap, with
The corresponding regulation handle of the annular groove is equipped with several threaded connection holes, and regulation handle passes through screw thread by several positioning screws
Connecting hole be placed in annular groove with spool can axial-rotation connection.
It is simpler to tear peace of the invention open, it is equipped on positioning disk corresponding with threaded connection hole for installing positioning spiral shell
The installing port of nail.
For the rate of depreciation for more effectively reducing spool of the present invention, the positioning screw be placed in annular groove only with its end
Face contact.
Preferably to reduce assembly cost of the invention, two are at least evenly equipped on the cylindrical surface that the spool stretches out end cap
Hook, in regulation handle corresponding with the hook be equipped with annular slot, regulation handle by annular slot and hook cooperation with
The connection of axial-rotation is realized in the clamping of spool annular.
Preferably to reduce frictional resistance when regulation handle of the present invention rotation, pass through between the spool and regulation handle
Ball-screw width realize can axial-rotation connection.
Compared with prior art, the invention has the following advantages that
1, lead to one positioning disk of threaded connection coaxial outside regulation handle, it is affixed with valve body using positioning disk, it will adjust
For the swivel feeding conversion of motion of handle at the linear movement of spool, it is high that stroke controls precision.
2, spool extension end and regulation handle can axial-rotation connection, regulation handle not will drive the rotation of spool when rotating
Turn, can effectively reduce the abrasion between spool and valve body.
3, lead to a grafting positioning pin between regulation handle and positioning disk, the spool of manually controllable hydraulic valve is in multiple rows
The positioning of journey position, substantially realization stepless speed regulation.
The configuration of the present invention is simple, it is at low cost, manual and electronic double advantages are had both, it is more reasonable and practical.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention one.
Fig. 2 is enlarged structure schematic diagram at Fig. 1 I.
Fig. 3 is structural schematic diagram two of the invention.
Fig. 4 is enlarged structure schematic diagram at Fig. 3 J.
Label and corresponding component name shown in figure are as follows: 1, valve body；2, spool；3, end cap；4, reset spring；5,
Regulation handle；6, positioning disk；7, positioning pin；8, spring base；9, fastening screw；10, positioning screw；11, control chamber；12, it resets
Chamber；21, annular groove；22, hook；23, sealing ring；31, bolt of cover；32, O-ring；51, threaded connection hole；52, annular snap
Slot；61, installing port；62, bolt is connected；63, location hole.
Specific embodiment
By taking three-position four-way hydraulic valve as an example, this hand-operated direction valve of the present invention, including valve body can be seen that from Fig. 1 and Fig. 3
1, spool 2, end cap 3, reset spring 4, regulation handle 5, positioning disk 6, positioning pin 7, spring base 8 and fastening screw 9, wherein end
Lid 3 includes left end cap and right end cap, which passes through several bolt of cover 31 and be fixed in 1 both ends of valve body, and left end cap is logical
It crosses an O-ring 32 to be tightly connected with valve body 1, offers control chamber 11 and reseting cavity 12, valve from left to right along axial direction in valve body 1
Core 2 is mounted in valve body 1 and through control chamber 11 and reseting cavity 12, and P mouthfuls and T are equipped on valve body 1 corresponding with reseting cavity 12
Mouthful, A mouthfuls and B mouthfuls are equipped on spool 2 corresponding with P mouthfuls and T mouthfuls, 2 right end of spool stretches out right end cap can be opposite with regulation handle 5
The connection of axial-rotation is equipped with a sealing ring 23 in the right end and valve body 1 of spool 2, and positioning disk 6 is solid by several connection bolts 62
It connects on right end cap, regulation handle 5 is threadedly connected at the axle center of positioning disk 6, and spool 2, regulation handle 5 and positioning disk 6 are coaxial
Arrangement, annular is evenly equipped with several location holes 63 on positioning disk 6, and positioning pin 7 is removably plugged on regulation handle 5 and positioning disk
Between 6 location hole 63, spring base 8 includes left spring seat and right spring base, and the left spring seat and right spring base are arranged symmetrically in
The both ends of reset spring 4, reset spring 4 are mounted in control chamber 11, and two spring bases pass through the company that fastening screw 9 is axially movable
It connects in 2 left end of spool.
Figure it is seen that spool 2 of the present invention stretch out right end cap cylindrical surface on be provided with an annular groove 21, with
The corresponding regulation handle 5 of annular groove 21 is equipped with several threaded connection holes 51, and positioning is equipped on threaded connection hole 51
Screw 10 is equipped with the installing port 61 for installing positioning screw 10 on positioning disk 6 corresponding with threaded connection hole 51, positions spiral shell
The bottom of nail 10 is protruded into be contacted in annular groove 21 and only with its end face, and regulation handle 5 can with spool 2 by each positioning screw 10
The connection rotated to axial.
From fig. 4, it can be seen that two hooks 22 are at least evenly equipped on the cylindrical surface that spool 2 of the present invention stretches out right end cap,
It is equipped with annular slot 52 on 5 inner wall of regulation handle corresponding with the hook 22, passes through the annular of annular slot 52 and hook 22
It is engaged by clamping, what regulation handle 5 can rotate to axial is connected to 2 right end of spool.
In the present invention, between spool 2 and regulation handle 5 can also by ball-screw width realize can axial-rotation company
It connects.
The course of work of the invention is as follows:
1, reset spring 4 applies the elastic force of equity to two sides, and left spring seat is resisted against on the inside of left end cap, right spring base against
On 1 inner wall of valve body, the A mouth of spool 2 and B mouthfuls are not connected to the P of valve body 1 mouth and T mouthfuls, position in holding.
2, regulation handle 5 is rotated in the forward direction, since regulation handle 5 and positioning disk 6 are to be threadedly engaged, regulation handle 5 is to moving to left
It is dynamic, push spool 2 and right spring base to be moved to the left, left spring seat, which is resisted against on left end cap, to move to left, and then is compressed and resetted bullet
Spring 4；During this, P mouth of the invention is gradually communicated with B mouthfuls, and A mouthfuls communicate with T mouthfuls, at the position for meeting traffic requirement,
It is inserted into positioning pin 7 between regulation handle 5 and location hole 63, realizes spool 2 in the constantly positioning of different trips position.
3, positioning pin 7 is removed, spring base applies a thrust to reset spring 4 to the right, and spool 2 and right spring base is pushed to move right
It is dynamic to be back to middle position.
4, regulation handle 5 is reversely rotated, since regulation handle 5 is to be threadedly engaged with positioning disk 6, regulation handle 5 moves right
It is dynamic, pull spool 2 and left spring seat to move right, right spring base, which is resisted against on valve interior wall, to move to right, and then is compressed and resetted
Spring 4；During this, P mouth of the invention is gradually communicated with A mouthfuls, and B mouthfuls communicate with T mouthfuls, at the position for meeting traffic requirement,
It is inserted into positioning pin 7 between regulation handle 5 and location hole 63, realizes spool 2 in the constantly positioning of different trips position.
5, positioning pin 7 is removed, spring base applies a thrust to reset spring 4 to the left, and spool 2 and left spring seat is pushed to move right
It is dynamic to be back to middle position.
In the present invention, since the plug-in position control valve core 2 of positioning pin 7 can be passed through in the constantly fixed of different trips position
Position, so not needing the elastic force that reset spring 4 applies an equity to each spring base, therefore this when spool 2 is located at initial position
Invention is applicable to the function hydraulic valve of not isotopic number.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of hand-operated direction valve, including valve body (1), spool (2), two end cap (3), reset spring (4) and regulation handle (5),
The regulation handle is connected to spool one end and drives its mobile control oil communication in valve body, and it is another that reset spring is mounted on spool
Valve core reset is driven in valve body between end and end cap, it is characterised in that: be connected on the end cap for being located at regulation handle side
One positioning disk (6), spool stretch out end cap and regulation handle can axial-rotation connection, regulation handle is threadedly connected to positioning disk
At axle center, a positioning pin (7) is plugged between regulation handle and positioning disk, regulation handle rotation band movable valve plug is in valve body inner shaft
Oil communication is realized to mobile, and positioning pin grafting realizes spool not by controlling to adjust rotational positioning of the handle on positioning disk
With the positioning of travel position.
2. hand-operated direction valve according to claim 1, it is characterised in that: be equipped with a pair at the both ends of the reset spring
Claim the spring base (8) of arrangement, which is connected to the spool other end, institute by what a fastening screw (9) were axially movable
It states spool one spring base of mobile drive and compresses reset spring to another spring base is mobile.
3. hand-operated direction valve according to claim 1 or 2, it is characterised in that: stretch out the cylindrical surface of end cap in the spool
On be provided with an annular groove (21), in regulation handle corresponding with the annular groove be equipped with several threaded connection holes (51), adjust
Section handle by several positioning screws (10) across threaded connection hole be placed in annular groove with spool can axial-rotation connection.
4. hand-operated direction valve according to claim 3, it is characterised in that: set on positioning disk corresponding with threaded connection hole
There is the installing port (61) for installing positioning screw.
5. hand-operated direction valve according to claim 3, it is characterised in that: the positioning screw be placed in annular groove only with
The contact of its end face.
6. hand-operated direction valve according to claim 1 or 2, it is characterised in that: stretch out the cylindrical surface of end cap in the spool
On be at least evenly equipped with two hooks (22), be equipped with annular slot (52) in regulation handle corresponding with the hook, regulation handle is logical
It crosses annular slot and the connection of axial-rotation is realized in hook cooperation with the clamping of spool annular.
7. hand-operated direction valve according to claim 1 or 2, it is characterised in that: pass through between the spool and regulation handle
Ball-screw width realize can axial-rotation connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710245922.2A CN106949111B (en) | 2017-04-14 | 2017-04-14 | Hand-operated direction valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710245922.2A CN106949111B (en) | 2017-04-14 | 2017-04-14 | Hand-operated direction valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106949111A CN106949111A (en) | 2017-07-14 |
| CN106949111B true CN106949111B (en) | 2019-04-02 |
Family
ID=59476658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710245922.2A Active CN106949111B (en) | 2017-04-14 | 2017-04-14 | Hand-operated direction valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106949111B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10015298A1 (en) * | 2000-03-28 | 2001-10-04 | Bosch Gmbh Robert | Diverter valve has forked change element accommodating control element section, bearing block bridge between fork legs and guided by bolts passing through control element section, bridge |
| CN204025872U (en) * | 2014-08-29 | 2014-12-17 | 毅联实业(上海)有限公司 | Hand-operated direction valve for pneumatic motor |
| CN205371782U (en) * | 2016-01-26 | 2016-07-06 | 新乡市新华液压机械有限公司 | Many directional control valve that commutates |
| CN106032858A (en) * | 2016-02-23 | 2016-10-19 | 天津光明永兴阀门制造有限公司 | Compensation type high-sealing valve |
| CN205978639U (en) * | 2016-08-29 | 2017-02-22 | 温州龙泽轻工机械有限公司 | Manual reversing valve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4387481B2 (en) * | 1998-12-25 | 2009-12-16 | 日立バルブ株式会社 | Differential gear valve drive |
| CN206801983U (en) * | 2017-04-14 | 2017-12-26 | 湖南旗一精密机械有限公司 | Hand-operated direction valve |
-
2017
- 2017-04-14 CN CN201710245922.2A patent/CN106949111B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10015298A1 (en) * | 2000-03-28 | 2001-10-04 | Bosch Gmbh Robert | Diverter valve has forked change element accommodating control element section, bearing block bridge between fork legs and guided by bolts passing through control element section, bridge |
| CN204025872U (en) * | 2014-08-29 | 2014-12-17 | 毅联实业(上海)有限公司 | Hand-operated direction valve for pneumatic motor |
| CN205371782U (en) * | 2016-01-26 | 2016-07-06 | 新乡市新华液压机械有限公司 | Many directional control valve that commutates |
| CN106032858A (en) * | 2016-02-23 | 2016-10-19 | 天津光明永兴阀门制造有限公司 | Compensation type high-sealing valve |
| CN205978639U (en) * | 2016-08-29 | 2017-02-22 | 温州龙泽轻工机械有限公司 | Manual reversing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106949111A (en) | 2017-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3729579C2 (en) | ||
| CN206801983U (en) | Hand-operated direction valve | |
| CN105936020B (en) | Power tool | |
| CN106949111B (en) | Hand-operated direction valve | |
| CN114458819B (en) | Pneumatic switch assembly and switch system with same | |
| DE102018205029A1 (en) | gripping device | |
| CN201013683Y (en) | Hand-driven change valve | |
| JPS60148638A (en) | Blind rivet apparatus for striking rivets having different dimensions | |
| DE810620C (en) | Motorized hand tool for rotating work, especially screwdrivers or the like. | |
| DE102014001677A1 (en) | working device | |
| DE2624387B2 (en) | Pneumatic winch with control device | |
| DE102014014105A1 (en) | gripping device | |
| DE10239257A1 (en) | buffering mechanism | |
| DE878069C (en) | Control device for anti-skid systems for vehicle brakes | |
| CN2911271Y (en) | Cam controlled continuous directional valve | |
| CN203743110U (en) | Electric control inching valve | |
| CN110230614A (en) | Reversal valve is penetrated in a kind of rotation of two-dimensions | |
| CN218267287U (en) | Valve with variable functions | |
| CN109707233A (en) | A kind of lock uint of handle and square shaft | |
| DE112018006537T5 (en) | Suspension device for suction cups of manipulators | |
| CN213655279U (en) | Buffer valve core and multi-way valve | |
| CN209180145U (en) | A kind of fan coil punching press hydraulic valve | |
| CN104976174B (en) | Threaded cartridge type pilot manual proportional throttled directional valve | |
| DE1626016C (en) | Valve control for reversible compressed air motors, especially rotary piston motors | |
| CN211525221U (en) | Reversing valve with valve core capable of being positioned |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20190202 Address after: 412007 China Power Valley Independent Innovation Park, Tianyuan District, Zhuzhou City, Hunan Province Applicant after: Zhuzhou Jiacheng Technology Development Co., Ltd. Address before: 410600 Pioneer Building 1502, Ningxiang Economic and Technological Development Zone, Ningxiang County, Changsha City, Hunan Province Applicant before: Hunan flag Pml Precision Mechanism Ltd |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |