CN203114767U - Manual rotary hydraulic reversing valve - Google Patents
Manual rotary hydraulic reversing valve Download PDFInfo
- Publication number
- CN203114767U CN203114767U CN 201320097944 CN201320097944U CN203114767U CN 203114767 U CN203114767 U CN 203114767U CN 201320097944 CN201320097944 CN 201320097944 CN 201320097944 U CN201320097944 U CN 201320097944U CN 203114767 U CN203114767 U CN 203114767U
- Authority
- CN
- China
- Prior art keywords
- rotary
- rotary valve
- oil
- commutation
- plate
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Multiple-Way Valves (AREA)
Abstract
The utility model relates to a manual rotary hydraulic reversing valve. The manual rotary hydraulic reversing valve is characterized by comprising a rotary valve sleeve (9), a rotary valve core (7) and a rotating sleeve (12), wherein a ring groove (901) is formed in the outer side of a rotary valve core installation hole (902) of the rotary valve sleeve (9), reset springs (10) are horizontally arranged inside the rotary valve sleeve (9), the reset springs (10) are separated through fixing pins (11), and the fixing pins (11) are in rigid connection with the rotating sleeve (12) and capable of rotating along with the rotating sleeve (12). The manual rotary hydraulic reversing valve further comprises a rotary valve oil distributing plate (1), wherein the rotary valve oil distributing plate (1) is fixedly connected with the lower end face of the rotary valve sleeve (9), a center oil-way hole (101) and at least two reversing oil-way holes (102) are formed in the rotary valve oil distributing plate (1), a revering groove which corresponds to the reversing oil-way holes (102) is formed in the lower portion of the rotary valve core (7), a revering oil through nozzle (4) is arranged inside the revering groove, the revering oil through nozzle (4) and the rotary valve core (7) are pressed and fixed through a pressure spring (5), and plane sealing is achieved between the revering oil through nozzle (4) and the rotary valve core (7).
Description
Technical field
The utility model relates to a kind of hydraulicdirectional control valve, specifically, is a kind of manual rotary hydraulicdirectional control valve, belongs to the hydraulicdirectional control valve technical field.
Background technique
Hydraulic system is widely used in the every field of mechanical industry, selector valve makes back and forth or the hydraulic actuator that rotatablely moves changes moving direction, selector valve is utilize relative position between spool and valve body different, change the break-make relation of each main hydraulic fluid port on the valve body, realize that each oil circuit is communicated with, cuts off or change the valve class of liquid flow path direction.
Manual rotary hydraulicdirectional control valve commonly used at present often adopts axial arranged fluid groove structure on the spool, seal by spool cylindrical and valve seat upper valve core mounting hole inwall matching gap, radial force imbalance during load, spool, valve seat orifice are easy to wear, cause clearance seal to lose efficacy, the big efficient of the pressure loss is low, and working life is short.Because it adopts the clearance seal mode, so that valve core diameter should not process is excessive, make volume current carrying capacity limited size system, the pressure maintaining performance of load simultaneously is poor, and it is low that volume carries pressure.So need in the hydraulic system of high pressure, big flow at some, traditional selector valve can't satisfy usage requirement.
About the operating grip position structure, manual rotary hydraulicdirectional control valve handle orientation type commonly used generally adopts the steel ball position structure, according to the selector valve figure place gear quantity is set, so structure be facts have proved and had following handling safety and technical problem, one, the position structure operating grip, advancing situation according to the worker of actuator during use rests on handle on the corresponding valve position of selector valve in advance, make selector valve oil circuit normal open, forget that in no operator and operator carelessness actuator turns round continuously under the reversing valve operated situation, equipment and hydraulic system even personal safety are had big potential safety hazard; Its two, hydraulic system long-time continuous running, unnecessary fluid flows back to fuel tank through relief valve and causes the unnecessary power loss of hydraulic system, and system temperature is raise.
Therefore, it is reliable to design a kind of sealing means, and the load pressure maintaining performance is stable, volume carries the pressure height, flow is big, and automatically reset selector valve is the association area problem demanding prompt solution.
Summary of the invention
The technical problem that the utility model actual demand solves is:
1) existing manual rotary hydraulicdirectional control valve adopts the mode of radial clearance seals, and spool, valve seat orifice are easy to wear, and sealing was lost efficacy easily, and the pressure loss is big, and efficient is low, and working life is short, and valve core diameter is restricted, and the load pressure maintaining performance is poor, and it is low that volume carries pressure;
2) the handle orientation type adopts the steel ball position structure, needs artificial reset operation; Unnecessary fluid flows back to fuel tank through relief valve and causes the unnecessary power loss of hydraulic system, and system temperature is raise.
The utility model is taked following technological scheme:
A kind of manual rotary hydraulicdirectional control valve, comprise rotary valve housing 9, rotary plate 7, rotating sleeve 12, rotary plate mounting hole 902 outsides of described rotary valve housing 9 are provided with annular groove 901, and level is provided with Returnning spring 10 in the described annular groove 901, separates by fixing pin 11 between the described Returnning spring 10, described fixing pin 11 is rigidly connected with described rotary valve housing 12, and with its rotation; Also comprise rotary valve oil-distributing plate 1, described rotary valve oil-distributing plate 1 is fixedlyed connected with described rotary valve housing 9 lower end surfaces, which is provided with oil circuit hole, center 101, and at least two reversing oil circuit holes 102, described rotary plate 7 bottoms are provided with the commutation groove corresponding with described reversing oil circuit hole 102, be provided with the logical oil nozzle 4 of commutation in the described commutation groove, the external diameter of the logical oil nozzle 4 of described commutation is greater than the internal diameter in described reversing oil circuit hole 102, being fixed by holddown spring 5 between the logical oil nozzle 4 of described commutation and the described rotary plate 7, is plane sealing between the two.
Further, described rotary valve housing 9 carries out axial restraint with rotary plate 7 by thrust ball bearing 8.
Further, described rotary valve oil-distributing plate 1 is provided with three reversing oil circuit holes 102.
Characteristics of the present utility model are: the rotary valve housing that has adopted band groove structure, and Returnning spring is set in annular groove, separate by fixing pin between the Returnning spring, when rotating sleeve rotates, drive fixing pin and rotate synchronously, Returnning spring is subjected to the thrust compressive strain of fixing pin, thereby produce the thrust that resets automatically, when hydraulicdirectional control valve need carry out reset operation, release handle, rotating sleeve resets under the elastic force effect of Returnning spring automatically, drives rotary plate and automatically resets synchronously.In addition, the commutation groove is offered in corresponding position, bottom at rotary plate, and in the commutation groove holddown spring is set, and will commutate by holddown spring and lead to oil nozzle and the high pressure sealing of rotary valve oil-distributing plate, the external diameter of the logical oil nozzle of commutation is realized plane sealing greater than the internal diameter in reversing oil circuit hole.
The beneficial effects of the utility model are:
1) load radial force equilibrium greatly reduces the wearing and tearing of spool, valve seat orifice, has improved working life.
2) sealability improves greatly, has reduced crushing, has improved efficient.
3) valve core diameter does not influence the degree of sealing, and the volume current carrying capacity of making is not limited, and the pressure maintaining performance of load simultaneously improves greatly, can satisfy the demand of high-volume hydraulic system.
4) automatically reset design has prevented because reversing valve operated situation is forgotten in operator's carelessness, or has caused the potential safety hazard of the continuous running of actuator, has improved safety class.
5) significantly reduce unnecessary fluid and flowed back to the situation of fuel tank through relief valve, reduced system power dissipation, improved the efficiency of system.
6) sealing means is reliable, and the load pressure maintaining performance is stable, volume carries the pressure height, flow is big.
Description of drawings
Fig. 1 is the exploded perspective view of the utility model manual rotary hydraulicdirectional control valve.
Fig. 2 is the profile schematic representation of the utility model manual rotary hydraulicdirectional control valve.
Fig. 3 is the schematic top plan view of the utility model manual rotary hydraulicdirectional control valve.
Fig. 4 be among Fig. 2 A-A to cross-sectional schematic.
Fig. 5 be among Fig. 4 B-B to cross-sectional schematic.
Wherein, 1, the rotary valve oil-distributing plate, 2, the logical oil nozzle seal ring in center, 3, the logical oil nozzle in center, 4, the logical oil nozzle of commutation, 5, holddown spring, 6, flat key, 7, rotary plate, 8, thrust ball bearing, 9, rotary valve housing, 10, Returnning spring, 11, fixing pin, 12, rotating sleeve, 13 handles, 101, oil circuit hole, center, 102, reversing oil circuit hole, 701, first keyway, 702, the logical oil nozzle mounting hole in center, 703, the logical oil nozzle mounting hole of commutation, 901, annular groove, 902, spool mounting hole, 1201, the straight pin mounting hole, 1202, second keyway, 13, handle, 14, T shape pad.
Embodiment
Below in conjunction with specific embodiment the utility model is further specified.
Referring to Fig. 1-Fig. 5, rotary valve housing 9 has a rotary plate mounting hole 902, this rotary plate mounting hole 902 is the ladder two-part, be equipped with thrust ball bearing 8 in it, the inwall drive fit in thrust ball bearing 8 seat ring external diameters and rotary plate mounting hole 902 holes, rotary plate 7 be provided with the step axle and with the blowout patche endoporus drive fit of thrust ball bearing 8, namely thrust ball bearing 8 is used for the axially locating of rotary plate 7 and supports rotary plate 7 and rotate between rotary plate 7 and rotary valve housing 9.
Rotary plate mounting hole 902 inwalls at rotary valve housing 9 are provided with a groove for side O RunddichtringO is installed, and side O RunddichtringO constitutes radial seal structure with rotary plate 7 external cylindrical surfaces between rotary valve housing 9 and rotary plate 7.
Be provided with one group of four threaded mounting hole at rotary valve housing 9 flange edge end faces, corresponding position is provided with one group four bolt mounting holes corresponding with it on the rotary valve oil-distributing plate 2, using four socket head screws to connect is integral, be provided with an end face annular groove at rotary valve housing 9 flange edge end faces simultaneously and be used for end face O RunddichtringO, end face O RunddichtringO constitutes the axial seal structure between rotary valve housing 9 end face of flange and rotary valve oil-distributing plate 1 end face;
Rotary valve housing 9 cylindrical end end faces, be that the upper-end surface is provided with annular groove 901, annular groove 901 peripheries and bore area same position are respectively equipped with salient point in a symmetrical arrangement, annular groove 901 is divided into two waist circular troughs that the center is communicated with, referring to Fig. 5, Returnning spring 10 bends to semicircle, be positioned in the circular slotted eye of two waists, and separated by fixing pin 11, rotating sleeve 12 awl end large end faces are provided with the straight pin mounting hole, and an end of straight pin 11 cooperates with the straight pin mounting hole, and the other end is assemblied in the aforementioned rotary valve housing 9 end face annular grooves 901, in the space that constitutes between Returnning spring 10 end faces, constitute the resetting-mechanism of selector valve;
Referring to Fig. 1, rotary plate 7 thin cylindrical sections stretch out rotary valve housing 9 and cooperate with rotating sleeve 12 endoporus, rotary plate 7 thin cylindrical sections are axially arranged with first keyway 701, rotating sleeve 12 endoporus are provided with second keyway 1202, flat key 6 places in aforementioned first, second keyway 701,1202, constitutes the force transmission mechanism of selector valve rotary plate rotation;
Referring to Fig. 1, rotary plate 7 thin cylindrical section end faces are provided with threaded mounting hole, socket head screw passes T type pad 14 endoporus and is tightened in this threaded mounting hole, and T type pad 14 plays and prevents that flat key 6 from coming off and limit rotary plate 7 and prolong the oppositely mobile effect of axial direction that thrust ball bearing 8 limits;
Referring to Fig. 1, rotating sleeve 12 conical surfaces are provided with the handle threaded mounting hole, and handle 13 threaded end revolve and constitute the operating device of selector valve in this threaded mounting hole;
Referring to Fig. 1, rotary plate 7 end faces are provided with the logical oil nozzle mounting hole 702 in center, the logical oil nozzle mounting hole 703 of commutation, and the logical oil nozzle mounting hole 702 in center places rotary plate 7 end face centers, and the logical oil nozzle mounting hole 703 of commutation is in appropriate position, distance end face center; Logical oil nozzle 3 cores in center are processed with axial hole, be provided with two seal grooves along circumferential appropriate location, and seal by the logical oil nozzle seal ring 2 in center, after logical oil nozzle 3 two ends, center are placed respectively in the oil circuit hole, center 101 of the logical oil nozzle mounting hole 702 in center of rotary plate 7 and rotary valve oil-distributing plate 1, constitute the selector valve oil inlet passage, see Fig. 1, Fig. 4 for details.
Referring to Fig. 4, rotary valve oil-distributing plate 1 end face is provided with 4 oil circuit holes, these 4 holes are the oil circuit hole, center 101 on corresponding rotary valve oil-distributing plate 1 opposite and reversing oil circuit hole 102 and cooperate with equipment oil-way board oil circuit mouth respectively, be fixed on the equipment oil-way board by socket head screw, constitute complete hydraulic system, described each limit, oil circuit hole is processed with and its closure gasket groove with core, O type circle places each oil circuit hole of sealing in the annular groove, prevent leakage of oil, annular seal groove is set prevents that O type circle is by in the high velocity liquid stream suck-back feed liquor pressing system.
In addition to the implementation, all employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (3)
1. manual rotary hydraulicdirectional control valve is characterized in that:
Comprise rotary valve housing (9), rotary plate (7), rotating sleeve (12), rotary plate mounting hole (902) outside of described rotary valve housing (9) is provided with annular groove (901), the interior level of described annular groove (901) is provided with Returnning spring (10), separate by fixing pin (11) between the described Returnning spring (10), described fixing pin (11) is rigidly connected with described rotary valve housing (12), and with its rotation;
Also comprise rotary valve oil-distributing plate (1), described rotary valve oil-distributing plate (1) is fixedlyed connected with described rotary valve housing (9) lower end surface, which is provided with oil circuit hole, center (101), and at least two reversing oil circuit holes (102), described rotary plate (7) bottom is provided with the commutation groove corresponding with described reversing oil circuit hole (102), be provided with the logical oil nozzle (4) of commutation in the described commutation groove, described commutation is led to the external diameter of oil nozzle (4) greater than the internal diameter in described reversing oil circuit hole (102), described commutation is led between oil nozzle (4) and the described rotary plate (7) and is fixed by holddown spring (5), is plane sealing between the two.
2. manual rotary hydraulicdirectional control valve as claimed in claim 1 is characterized in that: described rotary valve housing (9) carries out axial restraint with rotary plate (7) by thrust ball bearing (8).
3. manual rotary hydraulicdirectional control valve as claimed in claim 1, it is characterized in that: described rotary valve oil-distributing plate (1) is provided with three reversing oil circuit holes (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097944 CN203114767U (en) | 2013-03-04 | 2013-03-04 | Manual rotary hydraulic reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097944 CN203114767U (en) | 2013-03-04 | 2013-03-04 | Manual rotary hydraulic reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203114767U true CN203114767U (en) | 2013-08-07 |
Family
ID=48895117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320097944 Withdrawn - After Issue CN203114767U (en) | 2013-03-04 | 2013-03-04 | Manual rotary hydraulic reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203114767U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115032A (en) * | 2013-03-04 | 2013-05-22 | 嘉善海力达工具有限公司 | Manual rotary type hydraulic reversing valve |
| CN106930993A (en) * | 2015-12-29 | 2017-07-07 | 博世力士乐（常州）有限公司 | Reversal valve |
-
2013
- 2013-03-04 CN CN 201320097944 patent/CN203114767U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115032A (en) * | 2013-03-04 | 2013-05-22 | 嘉善海力达工具有限公司 | Manual rotary type hydraulic reversing valve |
| CN103115032B (en) * | 2013-03-04 | 2015-07-29 | 嘉善海力达工具有限公司 | A kind of manual rotary hydraulicdirectional control valve |
| CN106930993A (en) * | 2015-12-29 | 2017-07-07 | 博世力士乐（常州）有限公司 | Reversal valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103506814B (en) | A kind of preparation method of core assembly | |
| CN203114767U (en) | Manual rotary hydraulic reversing valve | |
| CN104633156A (en) | Valve | |
| CN203114547U (en) | Valve control axial plunger pump | |
| CN103510970A (en) | Valve element assembly of reversing valve for fully-mechanized coal mining hydraulic support | |
| CN202510710U (en) | Mechanical sealing device for wear-resistant pump | |
| CN203718031U (en) | Button valve | |
| CN103115032A (en) | Manual rotary type hydraulic reversing valve | |
| CN204239784U (en) | A kind of emery wheel modulating valve with emery wheel lubricating structure | |
| CN104358735B (en) | A kind of lifting hydraulic jack | |
| CN203718065U (en) | Pressure release valve | |
| CN203347817U (en) | Middle flow balance reversible lock | |
| CN203626731U (en) | Low-torque trunnion mounted ball valve for drilling | |
| CN203656231U (en) | Hand-operated valve | |
| CN203516935U (en) | Pneumatic motor diaphragm valve | |
| CN211951023U (en) | Flow control valve | |
| CN203363314U (en) | Safety valve on hydraulic pipe | |
| CN206346980U (en) | A kind of hydraulic tool enters oil outlet structure | |
| CN109869498B (en) | Orifice plate type throttle valve for oil extraction device | |
| CN103291339A (en) | Medium flow balancing two-way lock | |
| CN203499706U (en) | Valve element assembly of reversing valve for coal mine fully-mechanized coal mining hydraulic support | |
| CN201103727Y (en) | Balance type check valve | |
| CN204961445U (en) | Make guide's type overflow valve that rises to rise fast under great load of jack | |
| CN211599656U (en) | Safety valve using compressed gas to replace spring | |
| CN203395193U (en) | Pneumatic stop valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130807 Effective date of abandoning: 20150729 |
|
| RGAV | Abandon patent right to avoid regrant |