CN202468512U - Combined reversing valve - Google Patents
Combined reversing valve Download PDFInfo
- Publication number
- CN202468512U CN202468512U CN2012200893686U CN201220089368U CN202468512U CN 202468512 U CN202468512 U CN 202468512U CN 2012200893686 U CN2012200893686 U CN 2012200893686U CN 201220089368 U CN201220089368 U CN 201220089368U CN 202468512 U CN202468512 U CN 202468512U
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- China
- Prior art keywords
- valve
- type
- relief valve
- spool
- valve body
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- 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.)
- Expired - Fee Related
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- 238000006073 displacement reaction Methods 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 25
- 239000010720 hydraulic oil Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The utility model belongs to a reversing valve and particularly relates to a combined directional valve. The reversing valve comprises a cylinder cap, a valve body, a K-type valve core inside the valve, a first spring disposed on the bottom periphery of a K-type valve core inside a first back shell, and a K-type overflow valve. A manual reversing valve comprises a dustproof cap, a valve body, an M-type valve core inside the valve body, a second spring disposed on the bottom periphery of an M-type valve core inside a second back shell, a handle disposed outside the second back shell and an M-type shifting overflow valve. An oil inlet P disposed on the valve body of the manual reversing valve is provided with two outputs channels, wherein one output channel is communicated with the K-type overflow valve through a K-type overflow channel and the output channel of the K-type overflow valve is communicated with an oil return opening O through an oil channel; the other output channel is communicated with a lift oil channel through M-type valve cores and the life oil channel successively passes through the M-type shafting overflow valve and the oil return opening O communicated with the K-type valve cores. The combined reversing valve solves the problems of complicated oil channel and loose structure existing in the prior art and has the advantages of being compact in structure, time-saving in installation and the like.
Description
Technical field
The utility model belongs to selector valve, is meant a kind of combined directional valve especially.
Background technique
The lifting of present existing body of tipper carriage, in stop, the realization of decline, shift function is the selector valve that uses through cooperatively interacting and hand-operated direction valve is common realizes; Generally comprise cylinder cap, valve body in the selector valve, be installed on K type spool in the valve body, be located at first spring of the K type spool bottom periphery in first back cover; Be opened in filler opening, return opening, lifting mouth on the valve body, and K type relief valve; Hand-operated direction valve generally comprises dust cap, valve body, is located at the interior M type spool of valve body, is located at M type spool bottom periphery second spring in second back cover; Be arranged at the outside handgrip of second back cover; Be opened in filler opening, return opening, lifting mouth on the valve body, and M type displacement relief valve.The realization of above-mentioned existing function be the selector valve lifting that can realize body of tipper carriage separately, in stop, the decline function; Hand-operated direction valve can be realized the shift function of body of tipper carriage separately; Owing to all offer filler opening, return opening, lifting mouth on two valve bodies, when being communicated with hydraulic system, the layout of oil circuit is comparatively complicated in installation process for above-mentioned existing technology; Two valve bodies loosely organized and to take volume big, inconvenient installation.
Summary of the invention
The purpose of the utility model is to provide a kind of compact structure, oil circuit to arrange simply and can realize the combined directional valve of above-mentioned functions.
The overall technical architecture of the utility model is:
Combined directional valve comprises cylinder cap, valve body, is installed on K type spool in the valve body, is located at first spring of the K type spool bottom periphery in first back cover in the selector valve wherein, and K type relief valve; Hand-operated direction valve comprises dust cap, valve body, be located at M type spool in the valve body, be located at second spring of the M type spool bottom periphery in second back cover, is arranged at the outside handgrip of second back cover, and M type displacement relief valve; The total two-way output of oil inlet P on the manual reverse of direction valve body; The one of which road is communicated with K type relief valve through K type overflow oil circuit; The output of K type relief valve is communicated with return opening O through oil circuit; Its another road is communicated with the lifting oil circuit through M type spool, and the lifting oil circuit is communicated with return opening O through M type displacement relief valve, K type spool successively.
The concrete structure design of the utility model also has:
M type displacement relief valve and selecting for use of K type relief valve can be selected multiple existing technology for use, do not break away from the essence of the utility model.Wherein comparatively optimized technical scheme is; M type displacement relief valve and K type relief valve comprise that the relief valve spool that is installed in the relief valve valve body is installed on setscrew nut, locking nut, regulator bolts on the relief valve valve body 3 from inside to outside successively, is provided with pressure adjusting spring in the relief valve valve body between regulator bolts and relief valve spool.
For further realizing the sealing between regulator bolts and the relief valve valve interior wall, preferred and comparatively common technological scheme is to be provided with the regulator bolts seal ring between regulator bolts and the relief valve valve interior wall.
For further realizing the sealing between relief valve spool and the relief valve valve body, preferred and comparatively common technological scheme is to be provided with the relief valve spool seal ring between relief valve spool and the relief valve valve interior wall.
Be to realize to selector valve manually, the dual control of gas control, optimized technical scheme is, the first back cover arranged outside has Joystick, link through the end of plug with K type spool in the working end of this Joystick.The realization essence of this interlock action is through pushing away before accomplishing or the action of post-tensioning Joystick; Realize the axially reciprocating of plug and K type spool, allly belong to above-mentioned and convert rotation into essence that multiple mechanical structure implementation that the axial motion action realizes does not all break away from (comprising lever rotating mechanism, pinion and rack or the like) the utility model.
For realizing that further above-mentioned action, optimized technical scheme are, the bottom of described this Joystick cooperates with an end of connecting sheet pin alive, and the other end of connecting sheet cooperates with first back cover pin alive, lives in selling with the end of plug and cooperate in the working end of Joystick.
The working principle of the utility model is following:
When body of tipper carriage needs lifting; Lifting gas port from the selector valve cylinder cap is given gas; Promote K type spool and move down the lifting oil circuit that sealing is communicated with return opening O, hydraulic oil outputs to hydraulic system through the lifting hydraulic fluid port on the valve body and acts on the lifting of oil cylinder completion to the compartment.
Stopping time in body of tipper carriage needs; Stop to give gas to the lifting gas port on the selector valve cylinder cap; K type spool rises under the effect of first spring and resets, and lifting hydraulic fluid port and return opening O on the valve body are in nonconducting state, and the lifting oil circuit that is communicated with return opening O is opened; Hydraulic oil is back to fuel tank from return opening O, and off-position was put during the oil cylinder in the hydraulic system was in.
When body of tipper carriage need descend; Decline gas port from the selector valve cylinder cap is given gas; Promoting K type spool moves up; Make lifting hydraulic fluid port and return opening O on the valve body be on state, hydraulic oil is back to fuel tank through lifting hydraulic fluid port, return opening O on the valve body successively, and the oil cylinder decompression falls after rise and the compartment descends.
When the dumping car car body need be shifted; Pull the handgrip of the second back cover bottom; M type spool moves down, and the lifting oil circuit that is communicated with M type spool is in nonconducting state, and hydraulic oil outputs to hydraulic system through the hydraulic fluid port of offering on the valve body and acts on the displacement of shift cylinder completion to car body.
When selector valve need manually be controlled, pull the control end of Joystick, the working end of Joystick is a fulcrum with the connecting sheet that is connected with first back cover, and plug is formed pulling, and then accomplishes the pulling to K type spool.
When the goods of dumping car surpassed the working pressure of system, the lifting relief valve was opened, and hydraulic oil is back to return opening O through K type overflow oil circuit, lifting relief valve successively; Be in when the goods on the dumping car under the state of not completion of discharge (car body is overweight), M type displacement relief valve is opened, and hydraulic oil is back to return opening O through lifting oil circuit, M type displacement relief valve successively.
The technological progress that the utility model is obtained is:
1, the utility model is owing to be one with selector valve and hand-operated direction valve combination; And reasonably design through oil circuit and filler opening, return opening; Simplified with the oil circuit of hydraulic system and be connected; Thereby make the structure of combination brake switch and proporting more compact, saved installing space, practiced thrift installation component and installation time.
2, in selector valve, increased the Joystick that is connected with K type spool, made selector valve possess function manual, the dual control of gas control, solved gas control control and can not conveniently realize the problem of control in real time, made the transmission of control action more quick.
Description of drawings
The accompanying drawing of the utility model has:
Fig. 1 is the overall structure schematic representation of the utility model.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is the structural representation of M type displacement relief valve and lifting relief valve.
Reference character in the accompanying drawing is following:
1, cylinder cap; 2, lifting relief valve; 3, K shape overflow oil circuit; 4, dust cap; 5, M type spool; 6, second spring; 7, second back cover; 8, lifting oil circuit; 9, M type displacement relief valve; 10, plug; 11, first back cover; 12, first spring; 13, valve body; 14, K type spool; 15, Joystick; 16, locating stud; 17, connecting sheet; 18, split washer; 19, regulator bolts; 20, locking nut; 21, setscrew nut; 22, pressure adjusting spring; 23, relief valve valve body; 24, relief valve spool; 25, regulator bolts seal ring; 26, relief valve spool seal ring; P, oil inlet P; O, return opening O.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done and to further describe; But not as qualification to the utility model; The protection domain of the utility model is as the criterion with the content of claim record; Any equivalence techniques means replacement of having done according to this specification is seen, does not all break away from the protection domain of the utility model.
The overall technology of present embodiment structure is as shown in the figure, and comprise cylinder cap 1, valve body 13 in the selector valve wherein, be installed on K type spool 14 in the valve body 13, be located at first spring 12 of the K type spool 14 bottom peripheries in first back cover 11, and K type relief valve 2; Hand-operated direction valve comprises dust cap 4, valve body, be located at M type spool 5 in the valve body, be located at second spring 6 of the M type spool 5 bottom peripheries in second back cover 7, is arranged at the outside handgrip of second back cover 7, and M type displacement relief valve 9; The total two-way output of oil inlet P on the manual reverse of direction valve body; The one of which road is communicated with K type relief valve 2 through K type overflow oil circuit 3; The output of K type relief valve 2 is communicated with return opening O through oil circuit; Its another road is communicated with lifting oil circuit 8 through M type spool 5, and lifting oil circuit 8 is communicated with return opening O through M type displacement relief valve 9, K type spool 14 successively.
M type displacement relief valve 9 and K type relief valve 2 comprise the relief valve spool 24 that is installed in the relief valve valve body 23; Be installed on setscrew nut 21, locking nut 20, regulator bolts 19 on the relief valve valve body 23 from inside to outside successively, be provided with pressure adjusting spring 22 in the relief valve valve body 23 between regulator bolts 19 and relief valve spool 24.
Be provided with regulator bolts seal ring 25 between regulator bolts 19 and relief valve valve body 23 inwalls.
Be provided with relief valve spool seal ring 25 between relief valve spool 24 and relief valve valve body 23 inwalls.
First back cover, 11 arranged outside have Joystick 15, and the working end of this Joystick 15 is through the end interlock of plug 10 with K type spool 14.
Live in selling with an end of connecting sheet 17 and cooperate in the bottom of Joystick 15, the other end of connecting sheet 17 is lived in selling with first back cover 11 and cooperated, and the working end of Joystick 15 cooperates with the end of plug 10 pin alive.
Claims (6)
1. combined directional valve; Comprise cylinder cap (1), valve body (13) in the selector valve wherein, be installed on K type spool (14) in the valve body (13), be located at first spring (12) of K type spool (14) the bottom periphery in first back cover (11), and K type relief valve (2); Hand-operated direction valve comprises dust cap (4), valve body, be located at M type spool (5) in the valve body, be located at second spring (6) of M type spool (5) the bottom periphery in second back cover (7); Be arranged at the outside handgrip of second back cover (7), and M type displacement relief valve (9); It is characterized in that the total two-way output of filler opening (P) on the manual reverse of direction valve body; The one of which road is communicated with K type relief valve (2) through K type overflow oil circuit (3); The output of K type relief valve (2) is communicated with return opening (O) through oil circuit; Its another road is communicated with lifting oil circuit (8) through M type spool (5), and lifting oil circuit (8) is communicated with return opening (O) through M type displacement relief valve (9), K type spool (14) successively.
2. combined directional valve according to claim 1; It is characterized in that described M type displacement relief valve (9) and K type relief valve (2) comprise the relief valve spool (24) that is installed in the relief valve valve body (23); Be installed on setscrew nut (21), locking nut (20), regulator bolts (19) on the relief valve valve body (23) from inside to outside successively, be provided with pressure adjusting spring (22) in the relief valve valve body (23) between regulator bolts (19) and relief valve spool (24).
3. combined directional valve according to claim 2 is characterized in that being provided with regulator bolts seal ring (25) between described regulator bolts (19) and relief valve valve body (23) inwall.
4. according to claim 2 or 3 described combined directional valves, it is characterized in that being provided with relief valve spool seal ring (25) between described relief valve spool (24) and relief valve valve body (23) inwall.
5. combined directional valve according to claim 1 is characterized in that described first back cover (11) arranged outside has Joystick (15), and the working end of this Joystick (15) is through the end interlock of plug (10) with K type spool (14).
6. combined directional valve according to claim 5; The bottom that it is characterized in that described this Joystick (15) cooperates with an end of connecting sheet (17) pin alive; The other end of connecting sheet (17) is lived in selling with first back cover (11) and is cooperated, and lives in selling with the end of plug (10) and cooperate in the working end of Joystick (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200893686U CN202468512U (en) | 2012-03-12 | 2012-03-12 | Combined reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200893686U CN202468512U (en) | 2012-03-12 | 2012-03-12 | Combined reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468512U true CN202468512U (en) | 2012-10-03 |
Family
ID=46916672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200893686U Expired - Fee Related CN202468512U (en) | 2012-03-12 | 2012-03-12 | Combined reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468512U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400970A (en) * | 2011-12-01 | 2012-04-04 | 宁波华液机器制造有限公司 | Overflow throttling valve |
| CN104776245A (en) * | 2015-01-30 | 2015-07-15 | 合肥通用机械研究院 | Combined reversing valve |
| CN104896141A (en) * | 2014-03-08 | 2015-09-09 | 温州益坤电气有限公司 | High-oil-pressure and large-drift-diameter combined reversing valve for electric high-voltage switch hydraulic mechanism |
-
2012
- 2012-03-12 CN CN2012200893686U patent/CN202468512U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400970A (en) * | 2011-12-01 | 2012-04-04 | 宁波华液机器制造有限公司 | Overflow throttling valve |
| CN102400970B (en) * | 2011-12-01 | 2014-11-26 | 宁波华液机器制造有限公司 | Overflow throttling valve |
| CN104896141A (en) * | 2014-03-08 | 2015-09-09 | 温州益坤电气有限公司 | High-oil-pressure and large-drift-diameter combined reversing valve for electric high-voltage switch hydraulic mechanism |
| CN104776245A (en) * | 2015-01-30 | 2015-07-15 | 合肥通用机械研究院 | Combined reversing valve |
| CN104776245B (en) * | 2015-01-30 | 2017-02-01 | 合肥通用机械研究院 | Combined reversing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hebei Huachun Hydraulic Auto Parts Co. Ltd. Assignor: Huang Peihua Contract record no.: 2015130000001 Denomination of utility model: Push-pull interconnected-control delay-pulse combined reversing valve Granted publication date: 20121003 License type: Exclusive License Record date: 20150121 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170210 Address after: 054901 Xingtai city of Hebei province Linxi County Xiang Lao Guan Zhuang Cun black Patentee after: Hebei Huachun Hydraulic Auto Parts Co. Ltd. Address before: Xingtai City, Hebei Province, Hexi Town, 054901 west of Linxi County, 2 kilometers south of Hebei Hua Chun Hydraulic Auto Parts Co. Ltd. Patentee before: Huang Peihua |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20210312 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |