CN201723442U - Variable displacement energy-saving lubricating oil vane pump - Google Patents

Variable displacement energy-saving lubricating oil vane pump Download PDF

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Publication number
CN201723442U
CN201723442U CN 201020269613 CN201020269613U CN201723442U CN 201723442 U CN201723442 U CN 201723442U CN 201020269613 CN201020269613 CN 201020269613 CN 201020269613 U CN201020269613 U CN 201020269613U CN 201723442 U CN201723442 U CN 201723442U
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CN
China
Prior art keywords
pump
stator
spring
plunger
contacts
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
Application number
CN 201020269613
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Chinese (zh)
Inventor
时培成
肖平
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Anhui Polytechnic University
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Anhui Polytechnic University
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Application filed by Anhui Polytechnic University filed Critical Anhui Polytechnic University
Priority to CN 201020269613 priority Critical patent/CN201723442U/en
Application granted granted Critical
Publication of CN201723442U publication Critical patent/CN201723442U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a variable displacement energy-saving lubricating oil vane pump, which comprises a pump body, a stator and a rotor. One side of the pump body is communicated with a spring chamber while the other corresponding side is communicated with a plunger chamber, a spring is disposed in the spring chamber, a spring seat at one end of the spring contacts with the radial outside on one side of the stator, a plunger is disposed in the plunger chamber, one end of a plunger rod contacts with the radial outside of the other corresponding side of the stator, an oil pressure feedback hole is arranged on one side of the plunger chamber, a slider hole is disposed on a pump cover of the pump body, a slider is arranged in the slider hole, a work surface at the bottom of the slider fittingly contacts with a peripheral surface of the stator, roller pins are uniformly distributed on the top surface of the slider, and fixing blocks are arranged on the upper portions of the roller pins. Tests show that the energy-saving lubricating oil vane pump can save 50% consumed energy of a lubricating system and save total fuel by 1.5% to 2.5%. In addition, the variable displacement energy-saving lubricating oil vane pump is stronger in generality, simple in structure, small in volume and convenient in maintenance, has an automatic flow adjusting function, does not need user interference or control, and is high in work reliability.

Description

Variable displacement energy-saving lubricant oil vane pump
Technical field
The utility model belongs to the Manufacturing Technology for Automotive Parts field; Be specifically related to be used for a kind of lubricating pump of automotive engine lubrication system.
Background technique
Traditionally, the displacement size of engine lubricant pump is that the lubricating requirement of basis crankshaft bearing when low speed designs, the output flow of this pump and the rotating speed of pump shaft are and linearity to a great extent, raising along with engine speed, the rotating speed of pump shaft also improves thereupon, it is very big that pump duty becomes, and at this moment the lubrication needs of engine is also so many, unnecessary lubricant oil will be walked from bypass flow, flows back to fuel tank, thereby minimizing is the lubricant oil effective discharge that flows through system, rather than by the flow of pump conveying itself, the pump power consumption can not reduce, if think to cut down the consumption of energy effectively, only just realizes regulating on demand pump output at a first brush.Can not regulate and control pump and be in slow-speed of revolution district mostly and can make the oil mass of the quantity delivered of pump, have a large amount of oil during high speed and walk, waste a lot of energy from bypass flow much larger than the engine demand.Because the pump of prior art is so design normally: no matter how many rotating speeds is, always pressure is maintained on the predetermined value, this value is exactly under critical operating mode, that pump should be is that relevant lubrication system provides, as the force value of minimum oil pressure.This value can reach under lower rotating speed, under all other operating modes, and may can be so not big to lubricating oil pressure and flow requirements.Particularly for high speed conditions, the potentiality of saving are quite big.Pumping under these operating modes subtracts for the lubricants capacity of engine to get off and still can fully satisfy the needs that lubricate, such measure just can reduce the demand of lubricating pump to energy, thereby also just the demand of engine total energy has been fallen.
The model utility content
Subtract down and still can fully satisfy the problem of lubricating needs in order to solve lubricants capacity that under high rotating speed operating mode pumping gives engine, the utility model provides a kind of variable displacement energy-saving lubricant oil vane pump.
Variable displacement energy-saving lubricant oil vane pump comprises the pump housing, stator 3 and rotor 4; The pump housing comprises the pump drain pan 13 and the pump cover 1 of corresponding matching; Stator 3 is the cylindrical tube shape that axially connects; Uniform blade 5 on the circumference of rotor 4, and be positioned at stator 3, rotor 4 is located on the pump drain pan 13 by bearing, and a side of the described pump housing is being communicated with spring housing, and corresponding opposite side is being communicated with the plunger compartment;
Described spring housing is the blind hole shape, is provided with spring 11 in it, and an end of spring 11 is connecting spring seat 10, and the other end of spring seat 10 contacts with stator 3 one side radially outers;
Described plunger compartment is the blind hole shape, be provided with plunger 7 in it, plunger 7 is set on the plunger rod, one end of described plunger rod contacts with stator 3 corresponding opposite side radially outers, the other end of plunger rod contacts with the end of peak rate of flow adjusting screw 8, and the adjustable side of peak rate of flow adjusting screw 8 is positioned at the outside, plunger compartment; One side of plunger compartment is provided with oil pressure feedback hole 1-1;
Described pump cover 1 is provided with slider bore, slider bore is corresponding with the radial outside top of stator 3, be provided with slide block 2 in the slider bore, the bottom working surface of slide block 2 contacts with the cooperation of stator 3 outer peripheral surfaces, the end face of slide block 2 is laid with needle roller 9, needle roller 9 tops are provided with fixed block, fixed block fixedly connected pump cover 1.
The other end of described spring 11 is connecting pressure adjusting screw 12, and the adjustable side of pressure adjusting screw 12 is positioned at the spring housing outside.
Pumping capacity of the present utility model or flow can be directly controlled, and are not only the effective discharge of control lubricant oil.Modern engine lube oil system consumes total fuel of automobile 3% to 5% usually, and test shows, adopts the utility model Saving Energy by Lubrication oil pump can save 50% of lubricating system institute consumes energy, saves total fuel 1.5% to 2.5%.
The utility model versatility is stronger, and static state can by twisting the adjustment screw, be set the maximum pump discharge and the system works pressure of oil pump according to different motors or the lubricated requirement of vehicle down, satisfies the needs of different automobile types; Oil pump adaptability is stronger, can regulate pump duty automatically according to the pressure in pump discharge place or the oil leab during work, so that total power consumption of pump reduces.Oil pump structure is simple, and volume is little, has the automatic regulatory function of flow, need not to interfere or control the functional reliability height.This change discharge capacity lubricating pump is made difficulty of processing and all is not more than traditional lubricating pump, and is easy to maintenance.Also need not increase the installing space of engine lubrication system during use, can directly replace the oil pump that has now in the automotive engine lubrication system, and the pump oil mass satisfy the requirement of desirable automobile oil pump.
Compare with existing engine lubricant pump, the utility model also has following good effect:
(1) before the installation, the initial displacement of oil pump is adjustable, can satisfy the different automobile types needs.By selecting the proper compression spring for use, the adjusting function of this pump can change in a wide scope, adapts to different customers.
When (2) using, the pump oil mass of oil pump can be regulated automatically according to the pressure in pump discharge place or the oil leab, need not extra control system, meets energy-conservation principle, and does not increase cost, can reduce the fuel consumption of automobile, improves fuel economy.
(3) can satisfy the ideal engine lubricating requirement, and not increase manufacturing, installation and user cost, need not the existing lubrication system of repacking or redesign, can directly replace original lubricating pump.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is a fundamental diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done to describe further by embodiment.
As shown in Figure 1, variable displacement energy-saving lubricant oil vane pump comprises the pump housing, stator 3 and rotor 4; The pump housing comprises the pump drain pan 13 and the pump cover 1 of corresponding matching; Stator 3 is the cylindrical tube shape that axially connects; Uniform blade 5 on the circumference of rotor 4, and be positioned at stator 3, rotor 4 by Bearing Installation on pump drain pan 13.One side of the pump housing is being communicated with spring housing, and corresponding opposite side is being communicated with the plunger compartment; Spring housing, plunger compartment communicate with the pumping cavity of the pump housing.
Spring housing is the blind hole shape, and spring 11 is housed in it, and an end of spring 11 is connecting spring seat 10, and the other end of spring seat 10 contacts with stator 3 one side radially outers; The other end of spring 11 is connecting pressure adjusting screw 12, and the adjustable side of pressure adjusting screw 12 is positioned at the spring housing outside.
The plunger compartment is the blind hole shape, plunger 7 is installed in it, plunger 7 is sleeved on the plunger rod, one end of plunger rod contacts with stator 3 corresponding opposite side radially outers, the other end of plunger rod contacts with the end of peak rate of flow adjusting screw 8, and the adjustable side of peak rate of flow adjusting screw 8 is positioned at the outside, plunger compartment.One side of plunger compartment offers oil pressure feedback hole 1-1.
Offer slider bore on the pump cover 1, slider bore is corresponding with the radial outside top of stator 3, slide block 2 is housed in the slider bore, the bottom working surface of slide block 2 contacts with the cooperation of stator 3 outer peripheral surfaces, the end face of slide block 2 is laid with needle roller 9, needle roller 9 tops are equipped with fixed block, fixed block fixedly connected pump cover 1.
Referring to Fig. 2, the utility model can be regulated pump delivery automatically according to the size of the working pressure of pump.Its rotor 4 center O maintain static, but stator 3 move left and right.Spring housing, plunger compartment communicate with the pumping cavity of the pump housing, and stator 3 just is subjected to the effect of spring force and reaction plunger hydraulic coupling like this.When rotor 4 rotated by counter clockwise direction, rotor top was pumping cavity, and the bottom is an oil sucting cavity.Pressure oil upwards is pressed in stator 3 in slide block 2, needle roller 9 supportings.When the hydraulic coupling of plunger 7 during less than the elastic force of spring 11, stator 3 is in rightmost, throw of eccentric (being the distance between O and the O1) maximum, the output flow maximum of pump.If the delivery pressure of pump increases, when promptly the hydraulic coupling of plunger 7 was greater than the elastic force of spring 11, to left translation, throw of eccentric reduced plunger 7 stator 3, and the output flow of pump reduces thereupon.The working pressure of pump is high more, and the throw of eccentric between stator 3 and the rotor 4 is just more little, and the output flow of pump is also more little.The predetermined work pressure set points of pump is determined by the pre compressed magnitude of spring 11, by the pre compressed magnitude of Regulation spring, can be changed the predetermined work pressure of pump.Regulate peak rate of flow adjusting screw 8 and can change the pump maximum eccentricity, thereby change the peak rate of flow of pump,, improve the versatility of pump to satisfy the needs of different automobile types.

Claims (2)

1. variable displacement energy-saving lubricant oil vane pump comprises the pump housing, stator (3) and rotor (4); The pump housing comprises the pump drain pan (13) and the pump cover (1) of corresponding matching; Stator (3) is the cylindrical tube shape that axially connects; Uniform blade (5) on the circumference of rotor (4), and be positioned at stator (3), rotor (4) is located on the pump drain pan (13) by bearing, it is characterized in that: a side of the described pump housing is being communicated with spring housing, and corresponding opposite side is being communicated with the plunger compartment;
Described spring housing is the blind hole shape, is provided with spring (11) in it, and an end of spring (11) is connecting spring seat (10), and the other end of spring seat (10) contacts with stator (3) one side radially outers;
Described plunger compartment is the blind hole shape, be provided with plunger (7) in it, plunger (7) is set on the plunger rod, one end of described plunger rod contacts with the corresponding opposite side radially outer of stator (3), the other end of plunger rod contacts with the end of peak rate of flow adjusting screw (8), and the adjustable side of peak rate of flow adjusting screw (8) is positioned at the outside, plunger compartment; One side of plunger compartment is provided with oil pressure feedback hole (1-1);
Described pump cover (1) is provided with slider bore, slider bore is corresponding with the radial outside top of stator (3), be provided with slide block (2) in the slider bore, the bottom working surface of slide block (2) contacts with the cooperation of stator (3) outer peripheral surface, the end face of slide block (2) is laid with needle roller (9), needle roller (9) top is provided with fixed block, fixed block fixedly connected pump cover (1).
2. variable displacement energy-saving lubricant oil vane pump according to claim 1 is characterized in that: the other end of described spring (11) is connecting pressure adjusting screw (12), and the adjustable side of pressure adjusting screw (12) is positioned at the spring housing outside.
CN 201020269613 2010-07-21 2010-07-21 Variable displacement energy-saving lubricating oil vane pump Expired - Fee Related CN201723442U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201020269613 CN201723442U (en) 2010-07-21 2010-07-21 Variable displacement energy-saving lubricating oil vane pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201020269613 CN201723442U (en) 2010-07-21 2010-07-21 Variable displacement energy-saving lubricating oil vane pump

Publications (1)

Publication Number Publication Date
CN201723442U true CN201723442U (en) 2011-01-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201020269613 Expired - Fee Related CN201723442U (en) 2010-07-21 2010-07-21 Variable displacement energy-saving lubricating oil vane pump

Country Status (1)

Country Link
CN (1) CN201723442U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105443963A (en) * 2015-12-01 2016-03-30 东风汽车泵业有限公司 Blade variable pump
CN107327689A (en) * 2017-08-17 2017-11-07 湖南机油泵股份有限公司 A kind of duplex lubricating oil pump of variable displacement
CN109185040A (en) * 2018-09-28 2019-01-11 浙江大学 A kind of high-performance multiple-blade hydraulic motor
CN111350660A (en) * 2020-03-12 2020-06-30 天津大学 Engine oil pump control system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105443963A (en) * 2015-12-01 2016-03-30 东风汽车泵业有限公司 Blade variable pump
CN107327689A (en) * 2017-08-17 2017-11-07 湖南机油泵股份有限公司 A kind of duplex lubricating oil pump of variable displacement
CN109185040A (en) * 2018-09-28 2019-01-11 浙江大学 A kind of high-performance multiple-blade hydraulic motor
CN109185040B (en) * 2018-09-28 2020-02-07 浙江大学 High-performance multi-blade hydraulic motor
CN111350660A (en) * 2020-03-12 2020-06-30 天津大学 Engine oil pump control system

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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: 20110126

Termination date: 20110721