CN202100549U - Multiple-way reversing valve - Google Patents
Multiple-way reversing valve Download PDFInfo
- Publication number
- CN202100549U CN202100549U CN201120118544XU CN201120118544U CN202100549U CN 202100549 U CN202100549 U CN 202100549U CN 201120118544X U CN201120118544X U CN 201120118544XU CN 201120118544 U CN201120118544 U CN 201120118544U CN 202100549 U CN202100549 U CN 202100549U
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- valve
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- retreat
- control
- control mouthful
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Abstract
The utility model discloses a multiple-way reversing valve, which comprises an oil inlet-return valve body component and a reversing piece valve and is a piece-type combination valve combined by a plurality of reversing valves and a plurality of overflowing valves; multi-way valve group with less than 10 valves is combined according to requirements of an operating mechanism; the multiple-way reversing valve has the advantages of high working pressure, compact structure, good performance of safety valve, high reliability, strong universality and the like; in addition, an overload valve or an oil supply valve is mounted between any working cavity and an oil return cavity according to user needs to form a parallel, series or parallel-series oil path; a plurality of slide valve functions, positioning, restoring and control modes are provided; moreover, oil sources can be provided for other mechanisms through a gap bridge valve body or an external connection oil port so that different host requirements are widely satisfied.
Description
Technical field
The utility model relates to a kind of multiple directional control valve, mainly is applicable to the hydraulic system of engineering machinery such as loader, mini-excavator, rig.
Technical background
Selector valve is the valve class that changes the break-make relation that is connected the last oil duct of valve body by the relative movement between spool and the valve body.The combination brake switch and proporting that multiple directional control valve is is main body by two above selector valves.According to the different working requirement, can also make up subsidiary valves such as safety overflow valve, one-way valve and Fill valve.
Present domestic multiple directional control valve, valve body is big, low, the difficult installation of intensification degree, and asphalt channel is little, easy blocking, the pressure loss is big, and energy consumption is big, and system is prone to heating, and working life is low, influences user's ordinary production, and causes economic loss easily.
The model utility content
The purpose of the utility model is to overcome the deficiency of existing technology, a kind of working pressure height, compact structure is provided, the safety valve performance is good, reliability is high, the multiple directional control valve of highly versatile.
For achieving the above object; A kind of multiple directional control valve that the utility model provides comprises oil inlet and oil return valve body parts 1, switching-over plate valve 2, and said oil inlet and oil return valve body parts 1 is made up of the little pump oil inlet P of series connection gear pump big pump oil inlet P, series connection gear pump 1, total oil return inlet T; Fluid flows into selector valve a, b, c through big pump oil inlet P; Simultaneously, fluid flows into selector valve d, e through little pump oil inlet P 1, and flows back to fuel tank through total oil return inlet T;
Said switching-over plate valve 2 is made up of selector valve a, b, c, d, e, and selector valve a comprises oil hydraulic motor clockwise and anticlockwise control mouthful A1, B1, and selector valve b comprises hydraulic gripper control mouthful A2, B2; Selector valve c comprises fast advance and retreat control mouthful A3, B3, normal advance and retreat control mouthful A4, B4 that selector valve d comprises, and selector valve e comprises hydraulic chuck control mouthful A5, B5; Wherein, said clockwise and anticlockwise control mouthful A1, B1 connect oil hydraulic motor, and fluid flows into oil hydraulic motor through clockwise and anticlockwise control mouthful A1, B1; Be the oil hydraulic motor fuel feeding; The clockwise and anticlockwise of control oil hydraulic motor, said hydraulic gripper control mouthful A2, B2 connect hydraulic gripper, and hydraulic gripper is controlled the clamping of borer drill rod and is loosened; Said fast advance and retreat control mouthful A3, B3 connect the fast advance and retreat drilling rod; Oil hydraulic motor is through the fast advance and retreat of the gear control fast advance and retreat drilling rod of connecting, and normally advance and retreat control mouth A4, B4 connect normally advance and retreat, and oil hydraulic motor is also through the normally fast advance and retreat of advance and retreat drilling rod of gear control of connecting; A hydraulic chuck control mouthful A5, B5 connect hydraulic chuck, the feeding of control borer drill rod and stopping.
A kind of preferred version according to the utility model; The big pump oil inlet P of said series connection gear pump, the little pump oil inlet P of series connection gear pump 1, an oil hydraulic motor clockwise and anticlockwise control mouthful A1, a hydraulic gripper control mouthful B2, a normal advance and retreat control mouthful A4, a hydraulic chuck control mouthful B5 are respectively equipped with relief valve 3; The flow of 3 pairs of P mouths of said relief valve, P1 mouth, A1 mouth, B2 mouth, A4 mouth, B5 mouth turnover oil is controlled; When flow was excessive, relief valve 3 was opened, and makes unnecessary oil mass flow back to fuel tank.
A kind of preferred version according to the utility model; Said fast advance and retreat control mouthful A3, B3 pass a bridge and are provided with the through hole that communicates with normal advance and retreat control mouthful A4, B4 place, and fast advance and retreat control mouthful A3, B3 adopt identical oil inlet and oil return road with normal advance and retreat control mouthful A4, B4.
The technique effect of the utility model is: it is the chip combination brake switch and proporting that is combined by a plurality of selector valves and relief valve; Can be combined as 10 according to operation mechanism's needs and connect with interior multi-way valve group, advantages such as it has working pressure height, compact structure, the safety valve performance is good, reliability is high, highly versatile, in addition; Can be according to user's needs; Overload valve or Fill valve are installed between arbitrary active chamber and oil back chamber, are formed parallel connection, series connection or series parallel connection oil circuit, and multiple slide valve function, location, reset mode and control mode are arranged; Gap bridge valve body also capable of using or outer oil-collecting hole provide oil sources to other mechanisms, have satisfied the needs of different main frames widely.
Description of drawings
Fig. 1 is the plan view of the utility model;
Fig. 2 is the side view of the utility model;
Fig. 3 is the asphalt principle figure of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Like Fig. 1, shown in 2, a kind of multiple directional control valve comprises oil inlet and oil return valve body parts 1, switching-over plate valve 2; Wherein, Oil inlet and oil return valve body parts 1 is made up of the little pump oil inlet P of series connection gear pump big pump oil inlet P, series connection gear pump 1, total oil return inlet T, and fluid is through big pump oil inlet P inflow selector valve a, b, c, simultaneously; Fluid flows into selector valve d, e through little pump oil inlet P 1, and flows back to fuel tank through total oil return inlet T; Switching-over plate valve 2 is made up of selector valve a, b, c, d, e, and selector valve a comprises oil hydraulic motor clockwise and anticlockwise control mouthful A1, B1, and selector valve b comprises hydraulic gripper control mouthful A2, B2; Selector valve c comprises fast advance and retreat control mouthful A3, B3, normal advance and retreat control mouthful A4, B4 that selector valve d comprises, and selector valve e comprises hydraulic chuck control mouthful A5, B5; Wherein, said clockwise and anticlockwise control mouthful A1, B1 connect oil hydraulic motor, and fluid flows into oil hydraulic motor through clockwise and anticlockwise control mouthful A1, B1; Be the oil hydraulic motor fuel feeding; The clockwise and anticlockwise of control oil hydraulic motor, said hydraulic gripper control mouthful A2, B2 connect hydraulic gripper, and hydraulic gripper is controlled the clamping of borer drill rod and is loosened; Said fast advance and retreat control mouthful A3, B3 connect the fast advance and retreat drilling rod; Oil hydraulic motor is through the fast advance and retreat of the gear control fast advance and retreat drilling rod of connecting, and normally advance and retreat control mouth A4, B4 connect normally advance and retreat, and oil hydraulic motor is also through the normally fast advance and retreat of advance and retreat drilling rod of gear control of connecting; A hydraulic chuck control mouthful A5, B5 connect hydraulic chuck, the feeding of control borer drill rod and stopping.
As shown in Figure 3, a kind of working oil path of multiple directional control valve, fluid flows into selector valve a, b, c through big pump oil inlet P; Flow into selector valve d, e through little pump oil inlet P 1, when selector valve a, b, c did not work, the fluid of P mouth belonged to bridging through the P mouth and directly was back to fuel tank; When selector valve d, e did not work, the P1 mouth got fluid and directly is back to fuel tank through the through hole of crossing on the bridging, and selector valve a is provided with oil hydraulic motor clockwise and anticlockwise control mouthful A1, B1; B is provided with hydraulic gripper control mouthful A2, B2, and c is provided with fast advance and retreat control mouthful A3, B3, and d is provided with normal advance and retreat control mouthful A4, B4; E is provided with hydraulic chuck control mouthful A5, B5, and A1, B1 connect oil hydraulic motor, the control motor positive and inverse; Fast advance and retreat control mouthful A3, B3 connect quick drilling rod, and normal advance and retreat control mouthful A4, B4 connect normal drilling rod, and the clockwise and anticlockwise of oil hydraulic motor is through the fast advance and retreat of series connection gear drilling rod, normal advance and retreat; Hydraulic gripper control mouthful A2, B2 connect hydraulic gripper; The clamping of hydraulic gripper control borer drill rod with loosen, a hydraulic chuck control mouthful A5, B5 connect hydraulic chuck, the feeding of control borer drill rod and stopping.
Be respectively equipped with relief valve 3 at the little pump oil inlet P of series connection gear pump big pump oil inlet P, series connection gear pump 1, an oil hydraulic motor clockwise and anticlockwise control mouthful A1, a hydraulic gripper control mouthful B2, a normal advance and retreat control mouthful A4, a hydraulic chuck control mouthful B5 in addition; The flow of 3 pairs of P mouths of said relief valve, P1 mouth, A1 mouth, B2 mouth, A4 mouth, B5 mouth turnover oil is controlled; When flow is excessive; Relief valve 3 is opened, and makes unnecessary oil mass flow back to fuel tank.
Certainly; The utility model also can have other various embodiments; Under the situation that does not deviate from the utility model spirit and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (3)
1. a multiple directional control valve comprises oil inlet and oil return valve body parts (1), switching-over plate valve (2), it is characterized in that:
Said oil inlet and oil return valve body parts (1) is made up of the little pump oil inlet P of series connection gear pump big pump oil inlet P, series connection gear pump 1, total return opening; Fluid flows into selector valve a, b, c through big pump oil inlet P; Simultaneously; Fluid flows into selector valve d, e through little pump oil inlet P 1, and flows back to mailbox through total oil return inlet T;
Said switching-over plate valve (2) is made up of selector valve a, b, c, d, e, and selector valve a comprises oil hydraulic motor clockwise and anticlockwise control mouthful A1, B1, and selector valve b comprises hydraulic gripper control mouthful A2, B2; Selector valve c comprises fast advance and retreat control mouthful A3, B3, normal advance and retreat control mouthful A4, B4 that selector valve d comprises, and selector valve e comprises hydraulic chuck control mouthful A5, B5; Wherein, said clockwise and anticlockwise control mouthful A1, B1 connect oil hydraulic motor, and fluid flows into oil hydraulic motor through clockwise and anticlockwise control mouthful A1, B1; Be the oil hydraulic motor fuel feeding; The clockwise and anticlockwise of control oil hydraulic motor, a said hydraulic gripper control mouthful A2, B2 connect hydraulic gripper, and the brill of hydraulic gripper control borer drill rod is tight and loosen; Said fast advance and retreat control mouthful A3, B3 connect the fast advance and retreat drilling rod; Oil hydraulic motor is through the fast advance and retreat of the gear control fast advance and retreat drilling rod of connecting, and normally advance and retreat control mouth A4, B4 connect normally advance and retreat drilling rod, and oil hydraulic motor is also through the normally fast advance and retreat of advance and retreat drilling rod of gear control of connecting; A hydraulic chuck control mouthful A5, B5 connect hydraulic chuck, the feeding of control borer drill rod and stopping.
2. a kind of multiple directional control valve according to claim 1; It is characterized in that: the big pump oil inlet P of said series connection gear pump, the little pump oil inlet P of series connection gear pump 1, an oil hydraulic motor clockwise and anticlockwise control mouthful A1, a hydraulic gripper control mouthful B2, a normal advance and retreat control mouthful A4, a hydraulic chuck control mouthful B5 are respectively equipped with relief valve (3); Said relief valve (3) is controlled the flow of P mouth, P1 mouth, A1 mouth, B2 mouth, A4 mouth, B5 mouth turnover oil; When flow is excessive; Relief valve (3) is opened, and makes unnecessary oil mass flow back to fuel tank.
3. a kind of multiple directional control valve according to claim 1; It is characterized in that: said fast advance and retreat control mouthful A3, B3 pass a bridge and are provided with the through hole that communicates with normal advance and retreat control mouthful A4, B4 place, and fast advance and retreat control mouthful A3, B3 adopt identical oil inlet and oil return road with normal advance and retreat control mouthful A4, B4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120118544XU CN202100549U (en) | 2011-04-20 | 2011-04-20 | Multiple-way reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120118544XU CN202100549U (en) | 2011-04-20 | 2011-04-20 | Multiple-way reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202100549U true CN202100549U (en) | 2012-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120118544XU Expired - Fee Related CN202100549U (en) | 2011-04-20 | 2011-04-20 | Multiple-way reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202100549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562700A (en) * | 2012-01-20 | 2012-07-11 | 锦州市力特缸泵阀液压制造有限公司 | Combined-type multi-way reversing valve for coal-mine full-hydraulic underground drilling machine |
-
2011
- 2011-04-20 CN CN201120118544XU patent/CN202100549U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562700A (en) * | 2012-01-20 | 2012-07-11 | 锦州市力特缸泵阀液压制造有限公司 | Combined-type multi-way reversing valve for coal-mine full-hydraulic underground drilling machine |
| CN102562700B (en) * | 2012-01-20 | 2014-10-01 | 锦州市力特缸泵阀液压制造有限公司 | Combined-type multi-way reversing valve for coal-mine full-hydraulic underground drilling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20140420 |