CN205155527U - Changeable oil pump of flow - Google Patents

Changeable oil pump of flow Download PDF

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Publication number
CN205155527U
CN205155527U CN201520972170.6U CN201520972170U CN205155527U CN 205155527 U CN205155527 U CN 205155527U CN 201520972170 U CN201520972170 U CN 201520972170U CN 205155527 U CN205155527 U CN 205155527U
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China
Prior art keywords
oil
oil pump
feedback
flow
pocket
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Active
Application number
CN201520972170.6U
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Chinese (zh)
Inventor
段伟
陈杰
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.)
Chongqing Xiaokang Power Co., Ltd.
Original Assignee
Chongqing Sokon Industry Group Co Ltd
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Priority to CN201520972170.6U priority Critical patent/CN205155527U/en
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Publication of CN205155527U publication Critical patent/CN205155527U/en
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Abstract

The utility model discloses a changeable oil pump of flow, including the oil pump body and in order can the dismantlement mode connecting the solenoid valve on the oil pump body, the oil pump body includes eccentric strap, feedback oil pocket I and feedback oil pocket II, feed back the oil pressure that oil pocket I is used for forcing the eccentric strap to promote towards the direction that makes the oil pump flow reduce through feedback oil circuit I and system's main oil gallery intercommunication and production, feedback oil pocket II produces the oil pressure that is used for resisting the produced thrust of feedback oil pocket I through feedback oil circuit II and system's main oil gallery intercommunication and the switch through the solenoid valve, the utility model discloses a changeable oil pump of flow has two step changes and arranges the structure, and the reducing of its discharge capacity can continuously supply the engine required oil pressure, realizes the energy that covers full operating mode and saves.

Description

The oil pump that flow is variable
Technical field
The utility model relates to a kind of oil pump, the oil pump that particularly a kind of flow is variable.
Background technique
Operationally, each moving parts is all used on another part with certain masterpiece motor car engine, and relative movement at a high speed occurs, and had relative movement, part surface must produce friction, thus accelerated wear test.Therefore, in order to alleviate wearing and tearing, reducing frictional resistance, increasing the service life, motor all must have lubrication system.The various equipment such as the organic oil pump of critical piece of lubrication system, the effect of oil pump is after machine oil is brought up to certain pressure, be sent on the moving surface of each part of motor forcibly, it generally comprises pump cover and the pump housing, connect with screw between pump cover and the pump housing, in the pump housing, be provided with internal rotor, external rotor, low pressure oil pocket and high-voltage oil cavity.Traditional oil pump flow (or discharge capacity) when running up is larger, and in fact motor does not need so large flow, in this process, unnecessary machine oil a large amount of idle work that caused motor to do, therefore motor wasted work is larger, thus make engine consumption comparatively large, the effect of energy-saving and emission-reduction can not be met.There is the oil pump that flow is variable for this reason, namely stators and rotators and the oil circuit control chamber of eccentric setting are set on oil pump body, elastic element established by stator, when oil pressure in oil circuit control chamber increases until when overcoming precompression on elastic element, stator rotation, and the centripetal moment changed between stators and rotators, makes discharge capacity reduce; But but the pressure reducing to produce with elastic element due to its discharge capacity is linear, although achieve variable displacement, when after engine speed rising, because discharge capacity reduction is too fast, oil pump cannot continue oil pressure needed for provisioning engine.
Therefore, just need the oil pump that a kind of flow is variable, it has secondary and becomes row's structure, and the reduction of its discharge capacity can continue oil pressure needed for provisioning engine, and the energy realizing covering full working scope is saved.
Model utility content
In view of this, the purpose of this utility model is the oil pump providing a kind of flow variable, and it has secondary and becomes row's structure, and the reduction of its discharge capacity can continue oil pressure needed for provisioning engine, and the energy realizing covering full working scope is saved.
The oil pump that flow of the present utility model is variable, the solenoid valve comprising oil pump body and be removably connected on oil pump body, described oil pump body comprises eccentric hoop, feedback oil pocket I and feedback oil pocket II, described feedback oil pocket I is communicated with system main oil gallery by feedback oil circuit I and is produced the oil pressure for forcing eccentric hoop to promote towards the direction making oil pump capacity reduce, and described feedback oil pocket II is communicated with system main oil gallery by feedback oil circuit II and is produced for resisting the oil pressure feeding back the thrust that oil pocket I produces by the switch of solenoid valve.
Further, described solenoid valve is provided with the connection part for being electrically connected with the electronic control unit of system.
Further, described connection part comprises wire and signal input connector, and described oil pump body is provided with the wire clamp for specification wire arrangements.
Further, described eccentric hoop is provided with elastic element, and described elastic element has the initializaing variable pressure of the oil pressure that corresponding feedback oil pocket I produces.
Further, described eccentric hoop outer circle wall extends to form resistance arm diametrically, and described elastic element is located between the side of described resistance arm and described oil pump body.
Further, described eccentric hoop outer circle wall extends to form power arm diametrically, and described oil pump body is provided with the recess for accommodating power arm, and described feedback oil pocket I and feedback oil pocket II are formed between power arm and recess respectively.
Further, the Sealing that described feedback oil pocket I and feedback oil pocket II are arranged on power arm separates, and described Sealing is also the center of rotation of eccentric hoop.
Further, described oil pump body also comprises the rotor be located in eccentric hoop, and described rotor is radially provided with multiple blade, and eccentric hoop inner chamber is separated into the hydraulic pressure cavity that multiple volumetric values does not wait by described blade.
The beneficial effects of the utility model: the oil pump that flow of the present utility model is variable, feedback oil pocket I is normal open oil pocket, can be communicated with system main oil gallery by feedback oil circuit I and produce the oil pressure for forcing eccentric hoop to promote towards the direction making oil pump capacity reduce, discharge capacity is reduced; When engine speed rises to a certain degree, solenoid valve action makes feedback oil pocket II be able to be communicated with system main oil gallery by feedback oil circuit II and to be produced for resisting the oil pressure feeding back the thrust that oil pocket I produces, thus enabling the reduction of discharge capacity continue oil pressure needed for provisioning engine, the energy realizing covering full working scope is saved.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is external structure schematic diagram of the present utility model;
Fig. 2 is internal structure schematic diagram of the present utility model.
Embodiment
Fig. 1 is external structure schematic diagram of the present utility model, Fig. 2 is internal structure schematic diagram of the present utility model, as shown in the figure: the oil pump that the flow of the present embodiment is variable, comprise oil pump body 1 and be removably connected to the solenoid valve 2 on oil pump body 1, described oil pump body 1 comprises eccentric hoop 3, feedback oil pocket I 41 and feedback oil pocket II 42, described feedback oil pocket I 41 is communicated with system main oil gallery by feedback oil circuit I 51 and is produced the oil pressure for forcing eccentric hoop 3 to promote towards the direction making oil pump capacity reduce, described feedback oil pocket II 42 is communicated with system main oil gallery by feedback oil circuit II 52 and is produced for resisting the oil pressure feeding back the thrust that oil pocket I 41 produces by the switch of solenoid valve 2, feedback oil pocket I 41 is arranged with feedback oil pocket II 42 is independent, and feedback oil circuit I 51 is arranged with feedback oil circuit II 52 is also independent, solenoid valve 2 can be located at conducting feedback oil circuit II 52 controlling feedback oil circuit II 52, feedback oil pocket I 41 is normal open oil pocket, can is communicated with system main oil gallery by feedback oil circuit I 51 and be produced the oil pressure for forcing eccentric hoop 3 to promote towards the direction making oil pump capacity reduce, discharge capacity is reduced, when engine speed rises to a certain degree, solenoid valve 2 action makes feedback oil pocket II 42 be able to be communicated with system main oil gallery by feedback oil circuit II 52 and to be produced for resisting the oil pressure feeding back the thrust that oil pocket I 41 produces, thus enabling the reduction of discharge capacity continue oil pressure needed for provisioning engine, the energy realizing covering full working scope is saved.
In the present embodiment, described solenoid valve 2 is provided with the connection part for being electrically connected with the electronic control unit (i.e. automobile ECU) of system; Described connection part comprises wire 61 and signal input connector 62, and described oil pump body 1 is provided with the wire clamp 7 arranged for specification wire 61; Electronic control unit can be connected with parts such as pressure transducer, speed probe, temperature transducer and torque sensors and receive coherent signal, the action control parameter of pre-given electromagnetic valve 2 in electronic control unit, to solenoid valve 2 sending controling instruction after signal reaches preset standard, realize automatically controlling, make the change of oil pump capacity more can embody the duty requirements of motor; Being provided with of wire clamp 7 is beneficial to the specification maintaining oil pump layout.
In the present embodiment, described eccentric hoop 3 is provided with elastic element 31, and described elastic element 31 has the initializaing variable pressure of the oil pressure that corresponding feedback oil pocket I 41 produces; Elastic element 31 can be the pressure adjusting spring being provided with precompression; Described oil pump body 1 also comprises the rotor 8 be located in eccentric hoop 3, and described rotor 8 is radially provided with multiple blade 81, and eccentric hoop 3 inner chamber is separated into the hydraulic pressure cavity 3a that multiple volumetric values does not wait by described blade 81; After the precompression of the oil pressure counter elastic element 31 in feedback oil pocket I 41, eccentric hoop 3 can be promoted and rotate, thus change eccentric hoop 3 and the throw of eccentric of rotor 8 in oil pump, change the flow that oil pump exports; Described eccentric hoop 3 outer circle wall extends to form resistance arm 32 diametrically, and described elastic element 31 is located between the side of described resistance arm 32 and described oil pump body 1.
In the present embodiment, described eccentric hoop 3 outer circle wall extends to form power arm 33 diametrically, described oil pump body 1 is provided with the recess 1a for accommodating power arm 33, and described feedback oil pocket I 41 and feedback oil pocket II 42 are formed between power arm 33 and recess 1a respectively; Power arm 33 can fan-shaped in from interior divergent shape outward, and the shape of recess 1a is corresponding with it, prevents dislocation; The Sealing 9 that described feedback oil pocket I 41 and feedback oil pocket II 42 are arranged on power arm 33 separates, and described Sealing 9 is also the center of rotation of eccentric hoop 3; Sealing 9 is preferably straight pin.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.

Claims (8)

1. the oil pump that a flow is variable, it is characterized in that: the solenoid valve comprising oil pump body and be removably connected on oil pump body, described oil pump body comprises eccentric hoop, feedback oil pocket I and feedback oil pocket II, described feedback oil pocket I is communicated with system main oil gallery by feedback oil circuit I and is produced the oil pressure for forcing eccentric hoop to promote towards the direction making oil pump capacity reduce, and described feedback oil pocket II is communicated with system main oil gallery by feedback oil circuit II and is produced for resisting the oil pressure feeding back the thrust that oil pocket I produces by the switch of solenoid valve.
2. the oil pump that flow according to claim 1 is variable, is characterized in that: described solenoid valve is provided with the connection part for being electrically connected with the electronic control unit of system.
3. the oil pump that flow according to claim 2 is variable, is characterized in that: described connection part comprises wire and signal input connector, and described oil pump body is provided with the wire clamp for specification wire arrangements.
4. the oil pump that flow according to claim 1 is variable, is characterized in that: described eccentric hoop is provided with elastic element, and described elastic element has the initializaing variable pressure of the oil pressure that corresponding feedback oil pocket I produces.
5. the oil pump that flow according to claim 4 is variable, is characterized in that: described eccentric hoop outer circle wall extends to form resistance arm diametrically, and described elastic element is located between the side of described resistance arm and described oil pump body.
6. the oil pump that flow according to claim 5 is variable, it is characterized in that: described eccentric hoop outer circle wall extends to form power arm diametrically, described oil pump body is provided with the recess for accommodating power arm, and described feedback oil pocket I and feedback oil pocket II are formed between power arm and recess respectively.
7. the oil pump that flow according to claim 6 is variable, is characterized in that: the Sealing that described feedback oil pocket I and feedback oil pocket II are arranged on power arm separates, and described Sealing is also the center of rotation of eccentric hoop.
8. the oil pump that flow according to claim 1 is variable, it is characterized in that: described oil pump body also comprises the rotor be located in eccentric hoop, described rotor is radially provided with multiple blade, and eccentric hoop inner chamber is separated into the hydraulic pressure cavity that multiple volumetric values does not wait by described blade.
CN201520972170.6U 2015-11-30 2015-11-30 Changeable oil pump of flow Active CN205155527U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520972170.6U CN205155527U (en) 2015-11-30 2015-11-30 Changeable oil pump of flow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520972170.6U CN205155527U (en) 2015-11-30 2015-11-30 Changeable oil pump of flow

Publications (1)

Publication Number Publication Date
CN205155527U true CN205155527U (en) 2016-04-13

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105299422A (en) * 2015-11-30 2016-02-03 重庆小康工业集团股份有限公司 Variable displacement machine oil pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105299422A (en) * 2015-11-30 2016-02-03 重庆小康工业集团股份有限公司 Variable displacement machine oil pump

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20170224

Address after: 401221 Chongqing Changshou District Industrial Park electromechanical materials Park

Patentee after: Chongqing Xiaokang Power Co., Ltd.

Address before: 400033 Jinqiao Road, Shapingba District, Chongqing, 61-1

Patentee before: Chongqing Xiaokang Industry Group Co., Ltd.