CN206129730U - Hydraulic system's liquid oil recirculation system - Google Patents

Hydraulic system's liquid oil recirculation system Download PDF

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Publication number
CN206129730U
CN206129730U CN201620609124.4U CN201620609124U CN206129730U CN 206129730 U CN206129730 U CN 206129730U CN 201620609124 U CN201620609124 U CN 201620609124U CN 206129730 U CN206129730 U CN 206129730U
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China
Prior art keywords
oil
piston
control unit
oil pump
gear
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Application number
CN201620609124.4U
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Chinese (zh)
Inventor
周佳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAIC Magneti Marelli Powertrain Co Ltd
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SAIC Magneti Marelli Powertrain Co Ltd
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Priority to CN201620609124.4U priority Critical patent/CN206129730U/en
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Abstract

The utility model discloses a hydraulic system's liquid oil recirculation system, include: the oilcan, the oil pump is connected the oilcan, the motor is connected the oil pump, the control unit connects respectively the oil pump with the oilcan for the direction of control hydraulic oil, the piston of puting into gear is connected the control unit, recycling oil pipe connects respectively put into gear the piston with the oilcan. Above -mentioned technical scheme's beneficial effect: make from the piston packaging region ooze with the fluid that spills, under the effect of atmospheric pressure, through recycling oil pipe, get back to hydraulic system's oilcan again, guaranteed the required oil mass of normal work, make whole hydraulic system more stable, the life -span is longer.

Description

A kind of liquid oil recirculating system of hydraulic system
Technical field
The utility model is related to hydraulic system, more particularly to a kind of liquid oil recirculating system of hydraulic system.
Background technology
In hydraulic system, piston and piston cylinder contact surface suffer from certain roughness, although have sealing ring to seal, but During long-time reciprocating motion of the pistons, a small amount of hydraulic pressure oil seepage, the hydraulic oil of time longer institute's seepage are still had It is more.Meanwhile, the imperfection of Hydraulic Elements sealing will also result in the leakage of hydraulic oil.For a long time leakage is caused hydraulic oil Actual fluid has been reduced, so as to cause fluid to lose.However, fluid loss can affect the normal work of whole hydraulic system.
Utility model content
For the problems referred to above that existing technology is present, a kind of technology of the liquid oil recirculating system of hydraulic system is now provided Scheme, it is specific as follows:
A kind of liquid oil recirculating system of hydraulic system, including:
Oil can;
Oil pump, connects the oil can;
Motor, connects the oil pump;
Control unit, connects respectively the oil pump and the oil can;
Put into gear piston, connect described control unit;
Recycling oil pipe, put into gear described in connection respectively piston and the oil can.
Preferably, described control unit includes:
First magnetic valve, one end connects the oil pump and the oil can, the one end for piston of putting into gear described in other end connection;
Second magnetic valve, one end connects the oil pump and the oil can, the other end of piston of putting into gear described in other end connection.
Preferably, the system also includes:
Pressure sensor, connects the oil pump and described control unit.
Preferably, the pressure sensor is on the oil pipe between the oil pump and described control unit.
Preferably, the system also includes:
Energy storage tank, connects the oil pump, described control unit and the pressure sensor.
Preferably, the energy storage tank is on the oil pipe between the oil pump and described control unit.
Preferably, described in one end connection of the recycling oil pipe piston is put into gear near one end of second magnetic valve, The other end of the recycling oil pipe connects the top of the oil can.
The beneficial effect of above-mentioned technical proposal:There is provided a kind of liquid oil recirculating system of hydraulic system so that from piston Sealing area oozes out and oil spill liquid, under atmospheric pressure, by recycling oil pipe, comes back to the oil of hydraulic system In kettle, it is ensured that the oil mass required for normal work, make that whole hydraulic system is more stable, the life-span is longer.
Description of the drawings
Fig. 1 is the liquid oil recirculating system fundamental diagram of a kind of hydraulic system in the utility model preferred embodiment.
In accompanying drawing:1. oil can;2. motor;3. oil pump;4. control unit;41. first magnetic valves;42. second magnetic valves;5. Put into gear piston;6. oil pipe is recycled;7. pressure sensor;8. energy storage tank
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the premise of creative work Lower obtained every other embodiment, belongs to the scope of the utility model protection.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can To be mutually combined.
Below in conjunction with the accompanying drawings the utility model is described in further detail with specific embodiment, but not as of the present utility model Limit.
In preferred embodiment of the present utility model, for the problems referred to above that existing technology is present, a kind of liquid is now provided Pressure system liquid oil recirculating system, its operation principle as shown in figure 1, including:
Oil can 1, for storing hydraulic oil;
Oil pump 2, connects oil can 1, for driving hydraulic oil reciprocating;
Motor 3, connects oil pump 2, for driving oil pump 2;
Control unit 4, connects respectively oil pump 2 and oil can 1, for controlling the direction of hydraulic oil;
Put into gear piston 5, connect control unit 4, for moving back and forth under the control of control unit 4;
Recycling oil pipe 6, connects respectively put into gear piston 5 and oil can 1, for making to leak out work of putting into gear in the case where atmospheric pressure is acted on The hydraulic oil of plug 5 returns to oil can 1.
In the preferred embodiment of the present invention, control unit 4 includes:
First magnetic valve 41, one end connection oil pump 2 and oil can 1, the other end connects the one end for piston 5 of putting into gear, for logical Cause to put into gear piston 5 when electric to opposite to each other in an end motion of the first magnetic valve 41;
Second magnetic valve 42, one end connection oil pump 2 and oil can 1, other end connection is put into gear the other end of piston 5, for Cause to put into gear piston 5 during energization to opposite to each other in an end motion of the second magnetic valve 42.
In above-mentioned technical proposal, when the first magnetic valve 41 is powered, put into gear piston 5 under magnetic fields to relative to first The end motion of magnetic valve 41 1 (i.e. one end of the second magnetic valve 42);When the second magnetic valve 42 is powered, piston 5 of putting into gear is in magnetic fields It is lower to relative to the end motion of the second magnetic valve 42 1 (i.e. one end of the first magnetic valve 41).
In the preferred embodiment of the present invention, also include:
Pressure sensor 7, connection oil pump 2 and control unit 4, for detecting the pressure of hydraulic oil.
In the preferred embodiment of the present invention, pressure sensor 7 is on the oil pipe between oil pump 2 and control unit 4.
In the preferred embodiment of the present invention, also include:
Energy storage tank 8, connection oil pump 2, control unit 4 and pressure sensor 7, is used for:
The pressure of hydraulic oil is converted into by compression energy according to the pressure value control that pressure sensor 7 is measured;Or
Compression energy is converted into according to the pressure value control that pressure sensor 7 is measured for the pressure of hydraulic oil.
In the preferred embodiment of the present invention, energy storage tank 8 is on the oil pipe between oil pump 2 and control unit 4.
In above-mentioned technical proposal, when the pressure value that pressure sensor 7 is measured is higher, energy storage tank 7 is converted into energy Compression energy or potential energy, when the pressure value that pressure sensor 7 is measured than it is relatively low when, compression energy or potential energy are converted into liquid by energy storage tank 8 Pressure, to maintain the pressure of system normal.
In the preferred embodiment of the present invention, one end connection for recycling oil pipe 6 puts into gear piston 5 near the second magnetic valve 42 One end, recycle oil pipe 6 the other end connect oil can 1 top.
In a kind of specific embodiment of the present invention, piston 5 is put into gear after moving back and forth for a long time, there is a little hydraulic pressure Oil oozes out puts into gear outside piston 5, and now, atmospheric pressure pushes oil by the hydraulic oil put into gear outside piston 5 is leaked out by recycling oil pipe 6 In kettle 1.
The foregoing is only the utility model preferred embodiment, not thereby limit embodiment of the present utility model and Protection domain, to those skilled in the art, should can appreciate that in all utilization the utility model specifications and diagram Scheme obtained by holding done equivalent and obviously changing, should be included in protection model of the present utility model In enclosing.

Claims (7)

1. a kind of hydraulic system liquid oil recirculating system, it is characterised in that include:
Oil can;
Oil pump, connects the oil can;
Motor, connects the oil pump;
Control unit, connects respectively the oil pump and the oil can;
Put into gear piston, connect described control unit;
Recycling oil pipe, put into gear described in connection respectively piston and the oil can.
2. liquid as claimed in claim 1 oil recirculating system, it is characterised in that described control unit includes:
First magnetic valve, one end connects the oil pump and the oil can, the one end for piston of putting into gear described in other end connection;
Second magnetic valve, one end connects the oil pump and the oil can, the other end of piston of putting into gear described in other end connection.
3. liquid as claimed in claim 1 oil recirculating system, it is characterised in that the system also includes:
Pressure sensor, connects the oil pump and described control unit.
4. liquid as claimed in claim 3 oil recirculating system, it is characterised in that the pressure sensor located at the oil pump and On oil pipe between described control unit.
5. liquid as claimed in claim 3 oil recirculating system, it is characterised in that the system also includes:
Energy storage tank, connects the oil pump, described control unit and the pressure sensor.
6. liquid as claimed in claim 5 oil recirculating system, it is characterised in that the energy storage tank is located at the oil pump and described On oil pipe between control unit.
7. liquid as claimed in claim 2 oil recirculating system, it is characterised in that one end connection of the recycling oil pipe is described Piston put into gear near one end of second magnetic valve, the other end of the recycling oil pipe connects the top of the oil can.
CN201620609124.4U 2016-06-20 2016-06-20 Hydraulic system's liquid oil recirculation system Active CN206129730U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620609124.4U CN206129730U (en) 2016-06-20 2016-06-20 Hydraulic system's liquid oil recirculation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620609124.4U CN206129730U (en) 2016-06-20 2016-06-20 Hydraulic system's liquid oil recirculation system

Publications (1)

Publication Number Publication Date
CN206129730U true CN206129730U (en) 2017-04-26

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CN201620609124.4U Active CN206129730U (en) 2016-06-20 2016-06-20 Hydraulic system's liquid oil recirculation system

Country Status (1)

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CN (1) CN206129730U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105971945A (en) * 2016-06-20 2016-09-28 上海上汽马瑞利动力总成有限公司 Hydraulic oil recycling system of hydraulic system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105971945A (en) * 2016-06-20 2016-09-28 上海上汽马瑞利动力总成有限公司 Hydraulic oil recycling system of hydraulic system
CN105971945B (en) * 2016-06-20 2019-08-30 上海上汽马瑞利动力总成有限公司 A kind of liquid oil recirculating system of hydraulic system

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