CN2924107Y - Oil-circuit converter - Google Patents
Oil-circuit converter Download PDFInfo
- Publication number
- CN2924107Y CN2924107Y CN 200620110216 CN200620110216U CN2924107Y CN 2924107 Y CN2924107 Y CN 2924107Y CN 200620110216 CN200620110216 CN 200620110216 CN 200620110216 U CN200620110216 U CN 200620110216U CN 2924107 Y CN2924107 Y CN 2924107Y
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- CN
- China
- Prior art keywords
- valve
- oil
- valve pocket
- line
- return spring
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an oil path converter which includes an oil inlet and an oil return mouth on a valve body and a first oil outlet and a second oil outlet; a first oil inlet path and a second oil inlet path divided by the oil inlet are communicated with the middle part of the valve chamber and are separately relevant to the first oil outlet and the second oil outlet; a third oil inlet path is communicated with the left of the valve chamber; a fourth oil inlet path is communicated with the right part of the valve chamber; a first oil return path divided by the oil return mouth is communicated with the middle part of the valve chamber; a second oil return path is communicated with the left part of the valve chamber; a third oil return path is communicated with the right part of the valve chamber; one end of the conversion valve rod arranged in the internal chamber of the valve body is connected with a handle, and the other end is connected with a recovery mechanism; the utility model is characterized in that the recovery mechanism is controlled by the automatic recovery bounce valve arranged at the left part of the valve body; the right part of the valve chamber is provided with a safety valve. The utility model has the advantages of that the oil cylinder can be automatically recovered after retracted to the bottom, the operation time is saved, and the structure is dense, safe and reliable.
Description
Technical field
The utility model relates to a kind of oil circuit transducer, especially selector valve, safety valve and automatic resetting device can be designed to the manual and automatic oil circuit transducer of one.
Background technique:
At present, known hand-operated direction valve is made up of valve body, guiding valve, protecgulum, bonnet and operating handle.The hand-operated direction valve volume is big, flow is little.With regard to safety valve and selector valve is that the multichannel hand-operated direction valve of one all is made up of multi-disc, is made up of oil-feed valve body, commutation valve body and oil return valve body.Its same volume with hand-operated direction valve is big, flow is little.This kind valve body does not possess the oil cylinder function of self-return after hours simultaneously, has delayed the artificial operating time.
Summary of the invention:
The purpose of this utility model provides a kind of oil circuit transducer, this oil circuit transducer collection selector valve, safety valve and automatic resetting device are one, when oil cylinder after hours, selector valve can be got back to meta automatically and make the oil hydraulic pump off-load, not only the operating time can be reduced, and volume is little, in light weight, flow is big.
A kind of oil circuit transducer described in the utility model comprises valve body, is respectively equipped with filler opening and the return opening that communicates with valve pocket in the both sides of valve body, is provided with first oil outlet and second oil outlet that communicate with valve pocket on valve body;
First in-line that filler opening is told and second in-line communicate with the middle part of valve pocket, and corresponding with first oil outlet and second oil outlet respectively, and the 3rd in-line communicates with the left part of valve pocket, and the 4th in-line communicates with the right part of valve pocket;
First oil circuit that return opening is told communicates with the middle part of valve pocket, second oil circuit communicates with the left part of valve pocket, the 3rd oil circuit communicates with the right part of valve pocket;
Be provided with the commutation valve rod at body cavity, the commutation valve rod is provided with corresponding with first in-line and the second in-line respectively first commutation boss and the second commutation boss, also be provided with the three commutation boss corresponding with first oil circuit, one end of commutation valve rod stretches out valve body and is connected with handle, and the other end is connected with the return mechanism that is located at the valve pocket left part;
It is characterized in that: return mechanism comprises return spring holder, Returnning spring and the setting sleeve that contacts with valve body right part end cap, and long spiro nail passes return spring holder and is connected with the other end of setting sleeve with the commutation valve rod; Return mechanism is located at the self-return spring valve of valve body left part and is controlled; The joining place of the 4th in-line of telling at filler opening and the right part of valve pocket is provided with safety valve.
Described a kind of oil circuit transducer, self-return spring valve comprises valve pocket, be located at piston in the valve pocket, first steel ball between the convex-concave surface of piston upper end and setting sleeve, be located at the valve pocket upper end thread bush, pass thread bush and the following end in contact of piston the return spring seat, be located at return spring on the return spring seat, with thread bush cooperation and first adjusting screw and first locking nut that contact with return spring, its valve pocket is located at the joining place of the 3rd in-line and valve pocket left part.
Described a kind of oil circuit transducer, the joining place of the 4th in-line of telling at filler opening and the right part of valve pocket is provided with safety valve; This safety valve is made up of second steel ball, steel ball seat, pressure adjusting spring, second adjusting screw and second locking nut, and second steel ball is located at the oral area of the 4th oil circuit that filler opening tells, and second adjusting screw is connected with valve body.When in-oil cylinder pressure surpassed the setting pressure of safety valve, second steel ball of the oral area of the 4th in-line was pressed off, and oil is got back to fuel tank through the 4th in-line, valve pocket, the 3rd oil circuit from return opening, to guarantee safety.
Described a kind of oil circuit transducer, the setting pressure of its self-return spring valve is less than the setting pressure of safety valve.If the setting pressure of self-return spring valve is higher than the setting pressure of safety valve pressure, self-return spring valve is with ineffective; If the setting pressure of self-return spring valve is too low, it is stable then can not to keep-up pressure.General self-return spring valve pressure is set in 9.7Mpa when dispatching from the factory, and it is comparatively suitable to be set in 15.2Mpa when safety valve pressure dispatches from the factory.
The beneficial effects of the utility model are: can be when oil cylinder is withdrawn, the operator just can go to be engaged in other work, oil cylinder can automatically reset after being withdrawn into the end, the time (oil cylinder stroke high latency more is just long more) is handled in artificial wait when having saved the oil cylinder withdrawal, and compact structure, volume is little, in light weight, flow is big, safe and reliable.
Description of drawings:
Fig. 1 is a schematic representation of the present utility model.
Fig. 2 is the A-A sectional view (the commutation valve rod is in meta) of Fig. 1.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Referring to Fig. 1 and Fig. 2, with pack into the left part of valve pocket of valve body 1 of setting sleeve 19, Returnning spring 18 and the return spring holder 17 of return mechanism, commutation valve rod 13 inserts in the valve pocket from the right-hand member of valve body 1, long spiro nail 20 passes return spring holder and is connected with the left end of setting sleeve with the commutation valve rod, and the right-hand member of commutation valve rod stretches out valve body and is connected with handle 14; Commutation first on valve rod commutation boss 14 is corresponding with first in-line 6 that filler opening 2 is told, and the second commutation boss 15 is corresponding with second in-line 7, and the 3rd commutates, and to tell first oil circuit 10 corresponding for boss 16 and return opening 3;
The bounce valve pocket 21 of valve of self-return is installed in the joining place of the 3rd in-line 8 and valve pocket left part, first steel ball 23, piston 22 are packed in the valve pocket, and make first steel ball between the convex-concave surface of piston upper end and setting sleeve 19, thread bush 24 is contained in the upper end of valve pocket, return spring seat 25 passes the following end in contact of thread bush and piston, return spring 26 is contained on the return spring seat, first adjusting screw 27 and first locking nut 28 and thread bush cooperate and contact with return spring, and the self-return valve setting pressure of bouncing is transferred to 9.7Mpa;
To be installed in the joining place of the 4th in-line 9 that filler opening 2 tells and the right part of valve pocket by the safety valve that second steel ball 29, steel ball seat 30, pressure adjusting spring 31, second adjusting screw 32 and second locking nut 33 are formed, make second steel ball 29 be positioned at the oral area of the 4th in-line 9, second adjusting screw 32 is connected with valve body, safety valve setting pressure is transferred to 15.2Mpa, second locking nut 33 and second adjusting screw 32 are locked get final product again.
During operation, pull handle 14, to commutate valve rod 13 to left translation, on it first commutation boss 14 withdraws from first in-line 6 fully, the 3rd commutation boss 16 is with 10 sealings of first oil circuit, and the second commutation boss 15 stops up second in-line 6, makes oil not enter oil cylinder from second oil outlet 5 through second in-line 6, the 3rd in-line 8 communicates with the valve pocket left part, makes oil enter an end of oil cylinder through first oil outlet 4; When the pressure of this end of oil cylinder reaches the setting pressure of self-return spring valve, first steel ball 23 of self-return spring valve is passed piston downwards under the effect of oil pressure, make it to reduce with the contact pressure of the convex-concave surface of the setting sleeve 19 of return mechanism, setting sleeve 19 moves right under the effect of Returnning spring 18, connected commutation valve rod 13 also moves right, and gets back to meta; At this moment, the first commutation boss, 14 parts enter first in-line, 6, the three commutation boss 16 and no longer seal first oil circuit 10, and in-oil cylinder oil then first oil outlet refluxes, and enters fuel tank through first in-line 6, first oil circuit 10, return opening 3; The oil of valve pocket left part then enters fuel tank through second oil circuit 11, return opening 3.Vice versa.
Because self-return spring valve is set, the operator just can not wait oil cylinder to be withdrawn into the end and go to be engaged in other work, thereby has saved the time; Again since the setting pressure of safety valve greater than the setting pressure of self-return spring valve, so under the ineffective situation of self-return spring valve, safety valve also can play a role, and guarantees safety.
Claims (4)
1, a kind of oil circuit transducer comprises valve body (1), is respectively equipped with the filler opening (2) and the return opening (3) that communicate with valve pocket in the both sides of valve body, is provided with first oil outlet (4) and second oil outlet (5) that communicate with valve pocket on valve body; First in-line (6) and second in-line (7) that filler opening (2) is told communicate with the middle part of valve pocket, and it is corresponding with first oil outlet (4) and second oil outlet (5) respectively, the 3rd in-line (8) communicates with the left part of valve pocket, and the 4th in-line (9) communicates with the right part of valve pocket; First oil circuit (10) that return opening (3) is told communicates with the middle part of valve pocket, second oil circuit (11) communicates with the left part of valve pocket, the 3rd oil circuit (12) communicates with the right part of valve pocket; Be provided with commutation valve rod (13) at body cavity, the commutation valve rod is provided with corresponding with first in-line (6) and second in-line (7) the respectively first commutation boss (14) and the second commutation boss (15), also be provided with the three commutation boss (16) corresponding with first oil circuit (10), one end of commutation valve rod stretches out valve body and is connected with handle (14), and the other end is connected with the return mechanism that is located at the valve pocket left part;
It is characterized in that: described return mechanism comprises return spring holder (17), Returnning spring (18) and the setting sleeve (19) that contacts with valve body right part end cap, and long spiro nail (20) passes return spring holder and is connected with the other end of setting sleeve with commutation valve rod (13); Described return mechanism is located at the self-return spring valve of valve body left part and is controlled; The 4th in-line of telling at filler opening (2) (9) is provided with safety valve with the joining place of the right part of valve pocket.
2, a kind of oil circuit transducer according to claim 1, it is characterized in that: self-return spring valve, comprise valve pocket (21), be located at the piston (22) in the valve pocket, be positioned on the piston and first steel ball (23) between the convex-concave surface of setting sleeve (19), be located at the thread bush (24) of valve pocket upper end, pass the return spring seat (25) of the following end in contact of thread bush and piston, be located at the return spring (26) on the return spring seat, with first adjusting screw (27) and first locking nut (28) that thread bush cooperates and contacts with return spring, its valve pocket (21) is located at the joining place of the 3rd in-line (8) and valve pocket left part.
3, a kind of oil circuit transducer according to claim 1 and 2, it is characterized in that: safety valve is made up of second steel ball (29), steel ball seat (30), pressure adjusting spring (31), second adjusting screw (32) and second locking nut (33), second steel ball (29) is located at the oral area of the 4th in-line (9) that filler opening (2) tells, and second adjusting screw (32) is connected with valve body.
4, a kind of oil circuit transducer according to claim 1 and 2 is characterized in that: the setting pressure of self-return spring valve is less than the setting pressure of safety valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620110216 CN2924107Y (en) | 2006-03-27 | 2006-03-27 | Oil-circuit converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620110216 CN2924107Y (en) | 2006-03-27 | 2006-03-27 | Oil-circuit converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2924107Y true CN2924107Y (en) | 2007-07-18 |
Family
ID=38260539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620110216 Expired - Fee Related CN2924107Y (en) | 2006-03-27 | 2006-03-27 | Oil-circuit converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2924107Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533861A (en) * | 2014-12-05 | 2015-04-22 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Conversion valve for static testing |
| CN104776078A (en) * | 2015-03-28 | 2015-07-15 | 合肥长源液压股份有限公司 | Distributor with automatic restoring function for tractor |
| CN106224326A (en) * | 2015-06-02 | 2016-12-14 | 罗伯特·博世有限公司 | Valve with the hydraulic pressure of the buckling and locking device that can regulate |
| CN106369185A (en) * | 2016-08-27 | 2017-02-01 | 中国煤炭科工集团太原研究院有限公司 | Multifunctional hand-operated direction valve with capabilities of self resetting and positioning |
| CN106402070A (en) * | 2016-09-13 | 2017-02-15 | 江苏恒立液压科技有限公司 | Valve core positioning and resetting device |
| CN106930994A (en) * | 2017-05-09 | 2017-07-07 | 江苏力源液压机械有限公司 | Position floating reversal valve is jumped in the manual pressurize of tractor |
-
2006
- 2006-03-27 CN CN 200620110216 patent/CN2924107Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533861A (en) * | 2014-12-05 | 2015-04-22 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Conversion valve for static testing |
| CN104533861B (en) * | 2014-12-05 | 2016-08-24 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of switching valve for static test |
| CN104776078A (en) * | 2015-03-28 | 2015-07-15 | 合肥长源液压股份有限公司 | Distributor with automatic restoring function for tractor |
| CN106224326A (en) * | 2015-06-02 | 2016-12-14 | 罗伯特·博世有限公司 | Valve with the hydraulic pressure of the buckling and locking device that can regulate |
| CN106224326B (en) * | 2015-06-02 | 2019-12-17 | 罗伯特·博世有限公司 | Hydraulic valve with adjustable locking device |
| CN106369185A (en) * | 2016-08-27 | 2017-02-01 | 中国煤炭科工集团太原研究院有限公司 | Multifunctional hand-operated direction valve with capabilities of self resetting and positioning |
| CN106402070A (en) * | 2016-09-13 | 2017-02-15 | 江苏恒立液压科技有限公司 | Valve core positioning and resetting device |
| CN106930994A (en) * | 2017-05-09 | 2017-07-07 | 江苏力源液压机械有限公司 | Position floating reversal valve is jumped in the manual pressurize of tractor |
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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: 20070718 Termination date: 20140327 |