CN209414076U - A kind of air compressor machine and power-assisted steering oil pump all-in-one machine - Google Patents

Abstract

The utility model discloses a kind of air compressor machine and power-assisted steering oil pump all-in-one machine, including motor, oil pump, clutch and the oil-free Piston Air Compressor of three cylinders, the flange end of the oil pump and one end of motor casing connect, the drive shaft of oil pump is connect or is structure as a whole by shaft coupling with the power output shaft of motor one end, the oil-free Piston Air Compressor of three cylinders includes crankcase, air compressor machine drive shaft, three cylinders, three groups of piston connecting rod units, one end of crankcase and the other end of motor casing connect, one end of air compressor machine drive shaft passes through the power output axis connection of clutch and the motor other end, three cylinder two twenty percents, 120 ° of angles are staggered in the circumferential exterior surface of same crankcase, one group of piston connecting rod unit is provided in each cylinder, one end of each connecting rod and the air compressor machine driving axis connection being arranged in crankcase.The utility model solve the problems, such as existing air compressor machine and power-assisted steering oil pump all-in-one machine it is generally existing topology layout it is unreasonable, structure is complicated, occupied space is big and vibration is big.

Description

A kind of air compressor machine and power-assisted steering oil pump all-in-one machine

Technical field

The utility model relates to a kind of air compressor machines and power-assisted steering oil pump all-in-one machine.

Background technique

For the course continuation mileage for improving new energy vehicle as far as possible, new energy vehicle extremely pays close attention to the energy consumption of the components of apolegamy, Under the premise of meeting requirement and reasonable price, energy consumption, weight, the volume of components are the smaller the better, identical in other conditions In the case where, the weight of components is smaller, vehicle energy consumption is also smaller, and the volume of components is smaller, and more it is conducive to vehicle and is laid out, because This, more and more new energy vehicles start using air compressor machine and power-assisted steering oil pump all-in-one machine, but existing used in new energy vehicles is empty Press and the generally existing topology layout of power-assisted steering oil pump all-in-one machine are unreasonable, structure is complicated, occupied space is big and vibrate big Problem.

Utility model content

Do not conform to solve existing used in new energy vehicles air compressor machine and the generally existing topology layout of power-assisted steering oil pump all-in-one machine Reason, the problem that structure is complicated, occupied space is big and vibration is big, the utility model provide a kind of air compressor machine and power-assisted steering oil pump one Body machine.

The technology employed by the present utility model is

A kind of air compressor machine and power-assisted steering oil pump all-in-one machine, including motor, oil pump, clutch and three cylinders are without oil piston sky One section of power output shaft, the flange end of the oil pump and one end of motor casing are respectively stretched out in press, the both ends of the motor Connection, the drive shaft of the oil pump is connect or is structure as a whole by shaft coupling with the power output shaft of motor one end, described The oil-free Piston Air Compressor of three cylinders includes crankcase, air compressor machine drive shaft, three cylinders, three groups of piston connecting rod units, the crankcase One end and the other end of motor casing connect, one end of the air compressor machine drive shaft passes through clutch and the motor other end Power output axis connection, three cylinders, two twenty percent, 120 ° of angles are staggered in the circumferential exterior surface of same crankcase, One group of piston connecting rod unit is provided in each cylinder, the connecting rod of every group of piston connecting rod unit protrudes into crankcase, and the one of each connecting rod The air compressor machine driving axis connection held and be arranged in crankcase, the air compressor machine drive shaft are crankshaft or the portion for being equivalent to crankshaft Part.

Preferably, the component for being equivalent to crankshaft includes d-axis and eccentric wheel, and the eccentric wheel is mounted on d-axis.

Preferably, a first bearing is installed in one end of each connecting rod, fixes one in the inner ring of each first bearing A eccentric wheel.

Preferably, the oil-free Piston Air Compressor of three cylinders further includes balance weight, and the balance weight is mounted on air compressor machine driving On axis.

Preferably, the part at least contacted with cylinder inner wall on the outer surface of the piston of the piston connecting rod unit is coated with certainly Lubricating and wear-resisting layer.

Preferably, the inner wall surface of the cylinder is porcelain ceramic surface.

Preferably, the piston connecting rod unit includes piston, piston pin, connecting rod and needle bearing, the needle bearing installation In one end of connecting rod, the connecting rod is connect by the piston pin across the needle bearing with piston.

Preferably, the oil-free Piston Air Compressor of three cylinders further includes crankcase end cover, second bearing, separation sleeve, fan blade, wind Nut, fan blade protective cover are fanned, the crankcase end cover is mounted on one end of the separate motor of crankcase, the crankcase end cover Main part be provided with bearing mounting hole and ventilative heat release hole through its both ends, bearing mounting hole is located at crankcase end cover Center, second bearing are mounted in bearing mounting hole, and the separation sleeve is mounted in the inner ring of second bearing, and the air compressor machine drives One end of the separate clutch of moving axis passes through the separation sleeve, and the end of one end of the separate clutch of air compressor machine drive shaft is arranged There is an external screw thread, the mounting hole of the fan blade being provided centrally with through its both ends, the fan nut passes through fan blade and by fan blade It is fixed thereon, fan nut is screwed in air compressor machine drive shaft, and one end of fan nut is against on separation sleeve, the fan blade Protective cover is connect with crankcase, and fan blade and crankcase end cover are covered on inside, and heat dissipation is provided on the end face of fan blade protective cover Hole.

Preferably, the air compressor machine and power-assisted steering oil pump all-in-one machine further include supporting plate, resilient cushion and base, the electricity Motivation is mounted on supporting plate, and the resilient cushion is mounted on the upper surface of base, and the supporting plate and crankcase end cover are mounted on The top of resilient cushion.

Preferably, the clutch is electromagnetic clutch.

The utility model by the way that the drive shaft of oil pump is connect with the power output shaft of motor one end by shaft coupling or It is structure as a whole, one end of air compressor machine drive shaft is passed through to the power output axis connection of clutch and the motor other end, so that The air compressor machine and power-assisted steering oil pump all-in-one machine of the utility model integrally have that topology layout is reasonable, structure is simple, occupied space Small advantage, solving existing used in new energy vehicles air compressor machine and power-assisted steering oil pump all-in-one machine, generally existing structure is complicated, accounts for With the big problem in space, and part solves the problems, such as that topology layout is unreasonable；By using the oil-free Piston Air Compressor of three cylinders, and Three cylinder two twenty percents, 120 ° of angles are staggered in the circumferential exterior surface of same crankcase, so that the pneumatics of the utility model The topology layout of machine and power-assisted steering oil pump all-in-one machine is more reasonable, when air compressor machine works, the dynamic balance of entire kinematic system Good, vibration and noise is small, solves existing used in new energy vehicles air compressor machine and the generally existing structure of power-assisted steering oil pump all-in-one machine It is laid out problem unreasonable, that vibration is big.

Detailed description of the invention

Fig. 1 is the air compressor machine of an embodiment of the present invention and the schematic perspective view of power-assisted steering oil pump all-in-one machine；

Fig. 2 is the left view schematic diagram of air compressor machine and power-assisted steering oil pump all-in-one machine shown in Fig. 1；

Fig. 3 is the right side view of air compressor machine and power-assisted steering oil pump all-in-one machine shown in Fig. 1；

Fig. 4 is that the air compressor machine of an embodiment of the present invention and power-assisted steering oil pump all-in-one machine (only show half of knot in figure Structure) part-structure decomposition diagram；

In figure: 1, base；2, resilient cushion；3, supporting plate；4, crankcase；5, eccentric wheel；6, first bearing；7, connecting rod；8, Needle bearing；9, piston pin；10, piston；11, cylinder；12, cylinder head；13, balance weight；14, crankcase end cover；15, the second axis It holds；16, separation sleeve；17, fan blade；18, fan nut；19, fan blade protective cover；20, oil pump.

Specific embodiment

Specific embodiment of the utility model is described further with reference to the accompanying drawing.

As shown in figures 1-4, the air compressor machine of the present embodiment and power-assisted steering oil pump all-in-one machine include motor, oil pump 20, electricity One section of power output shaft, the method for oil pump 20 are respectively stretched out in magnet clutch and the oil-free Piston Air Compressor of three cylinders, the both ends of the motor One end of Lan Duanyu motor casing connects, and the drive shaft of oil pump 20 and the power output shaft of motor one end are connected by shaft coupling It connects or is structure as a whole, the oil-free Piston Air Compressor of three cylinders includes crankcase 4, air compressor machine drive shaft, three 11, three groups of cylinder Piston connecting rod unit, one end of crankcase 4 and the other end of motor casing connect, and one end of the air compressor machine drive shaft passes through electricity The power output axis connection of magnet clutch and the motor other end, three 11 liang of cylinder, 120 ° of twenty percent angles are staggered same The circumferential exterior surface of crankcase 4 is provided with one group of piston connecting rod unit in each cylinder 11, and the connecting rod 7 of every group of piston connecting rod unit is stretched Enter in crankcase 4, one end of each connecting rod 7 and the air compressor machine driving axis connection being arranged in crankcase 4, the air compressor machine driving Axis is the component for being equivalent to crankshaft.

The air compressor machine and power-assisted steering oil pump all-in-one machine of the present embodiment are by by the drive shaft of oil pump and motor one end Power output shaft is connected or is structure as a whole by shaft coupling, and one end of air compressor machine drive shaft is another by clutch and motor The power output axis connection of one end, so that the air compressor machine of the present embodiment and power-assisted steering oil pump all-in-one machine integrally have topology layout Rationally, structure is simple, the advantages of occupying little space, and solves existing used in new energy vehicles air compressor machine and power-assisted steering oil pump all-in-one machine The problem that generally existing structure is complicated, occupied space is big, and part solves the problems, such as that topology layout is unreasonable；By using The oil-free Piston Air Compressor of three cylinders, and three cylinder two twenty percents, 120 ° of angles are staggered in the circumferential appearance of same crankcase Face, so that the topology layout of the air compressor machine of the present embodiment and power-assisted steering oil pump all-in-one machine is more reasonable, it is whole when air compressor machine works The dynamic balance of a kinematic system is good, and vibration and noise is small, solves existing used in new energy vehicles air compressor machine and power-assisted steering oil pump The problem that the generally existing topology layout of all-in-one machine is unreasonable, vibration is big.

Preferably, the component for being equivalent to crankshaft includes d-axis and eccentric wheel 5, and eccentric wheel 5 is mounted on d-axis.

One first bearing 6 is installed in one end of each connecting rod 7, one is fixed in the inner ring of each first bearing 6 partially Heart wheel 5.

To reduce vibration when work, it is preferred that the oil-free Piston Air Compressor of three cylinders further includes balance weight 13, balance weight 13 are mounted in air compressor machine drive shaft.

Preferably, the part cladding at least contacted with 11 inner wall of cylinder on the outer surface of the piston 10 of the piston connecting rod unit There is self-lubricating abrasion-resistant layer, no longer need to as a result, using lubricating oil, to avoid emulsification of lubricant problem.

For the wearability for improving cylinder inner wall, it is preferred that the inner wall surface of cylinder 11 is porcelain ceramic surface.

The piston connecting rod unit includes piston 10, piston pin 9, connecting rod 7 and needle bearing 8, and needle bearing 8 is mounted on connecting rod In 7 one end, connecting rod 7 is connect by the piston pin 9 across the needle bearing 8 with piston 10.

The oil-free Piston Air Compressor of three cylinders further include crankcase end cover 14, second bearing 15, separation sleeve 16, fan blade 17, Fan nut 18, fan blade protective cover 19, crankcase end cover 14 are mounted on one end of the separate motor of crankcase 4, crankcase end The main part of lid 14 is provided with bearing mounting hole and ventilative heat release hole through its both ends, and bearing mounting hole is located at crankcase end The center of lid 14, second bearing 15 are mounted in bearing mounting hole, and separation sleeve 16 is mounted in the inner ring of second bearing 15, pneumatics One end of the separate electromagnetic clutch of machine drive shaft passes through separation sleeve 16, one end of the separate electromagnetic clutch of air compressor machine drive shaft End be provided with external screw thread, the mounting hole of fan blade 17 being provided centrally with through its both ends, fan nut 18 passes through fan blade 17 And fan blade 17 is fixed thereon, fan nut 18 is screwed in air compressor machine drive shaft, and one end of fan nut 18 be against every From on set 16, fan blade protective cover 19 is connect with crankcase 4, and fan blade 17 and crankcase end cover 14 are covered on inside, fan blade protection Heat release hole is provided on the end face of cover 19.Fan blade protective cover, can also be largely except that can play the role of protection fan blade Upper prevention dust etc. enters box house.

To minimize vibration when work, running noises are reduced, it is preferred that the air compressor machine and power-assisted steering oil pump one Body machine further includes supporting plate 3, resilient cushion 2 and base 1, and the motor is mounted on supporting plate 3, and resilient cushion 2 is mounted on base 1 Upper surface, supporting plate 3 and crankcase end cover 14 are mounted on the top of resilient cushion 2.

The air compressor machine of the present embodiment and the operation instruction of power-assisted steering oil pump all-in-one machine: since used in new energy vehicles air compressor machine is Intermittent movement, vehicle-mounted gas receiver air pressure make rear air compressor machine and do not need to be further continued for running, and power-assisted steering oil pump needs work always Make, therefore vehicle-mounted gas receiver air pressure is made rear electromagnetic clutch and is detached from, air compressor machine stops working, and motor continues with power-assisted steering Operation of oil pump had both been able to achieve a motor in this way while having driven air compressor machine and power-assisted steering oil pump, and saved a motor Cost, and the arrangement space of vehicle can be saved.

It is apparent that above-described embodiment is not the only embodiment of the utility model, before not departing from its technological essence It puts, many simple changes can also be made, such as: electromagnetic clutch is substituted with the clutch of other forms, the air compressor machine drives Moving axis is crankshaft, and so on, details are not described herein again.

The embodiments of the utility model have been described in detail above with reference to the accompanying drawings, but the utility model is not limited to Embodiment is stated, within the knowledge of a person skilled in the art, in the premise for not departing from the utility model aims Under the various change made, also should be regarded as the protection scope of the utility model.

Claims (10)

1. a kind of air compressor machine and power-assisted steering oil pump all-in-one machine, it is characterised in that: including motor, oil pump, clutch and three cylinders One section of power output shaft, the flange end and motor of the oil pump are respectively stretched out in oil-free Piston Air Compressor, the both ends of the motor One end of shell connects, and the drive shaft of the oil pump is connect or is integrated by shaft coupling with the power output shaft of motor one end Structure, the oil-free Piston Air Compressor of three cylinders include crankcase, air compressor machine drive shaft, three cylinders, three groups of piston connecting rod units, institute The other end of one end and motor casing for stating crankcase connects, one end of the air compressor machine drive shaft by clutch with it is electronic The power output axis connection of the machine other end, three cylinders, two twenty percent, 120 ° of angles are staggered in the circumferential direction of same crankcase Outer surface is provided with one group of piston connecting rod unit in each cylinder, and the connecting rod of every group of piston connecting rod unit protrudes into crankcase, Mei Gelian One end of bar and the air compressor machine driving axis connection being arranged in crankcase, the air compressor machine drive shaft is crankshaft or is equivalent to crankshaft Component.

2. air compressor machine according to claim 1 and power-assisted steering oil pump all-in-one machine, it is characterised in that: described to be equivalent to crankshaft Component include d-axis and eccentric wheel, the eccentric wheel is mounted on d-axis.

3. air compressor machine according to claim 2 and power-assisted steering oil pump all-in-one machine, it is characterised in that: one end of each connecting rod One first bearing is inside installed, the eccentric wheel is fixed in the inner ring of each first bearing.

4. air compressor machine according to claim 1 and power-assisted steering oil pump all-in-one machine, it is characterised in that: the oil-free work of three cylinders Filling in air compressor machine further includes balance weight, and the balance weight is mounted in air compressor machine drive shaft.

5. air compressor machine according to claim 1 and power-assisted steering oil pump all-in-one machine, it is characterised in that: the piston connecting rod unit Piston outer surface on the part that is at least contacted with cylinder inner wall be coated with self-lubricating abrasion-resistant layer.

6. air compressor machine according to claim 1 and power-assisted steering oil pump all-in-one machine, it is characterised in that: the inner wall of the cylinder Surface is porcelain ceramic surface.

7. air compressor machine according to claim 1 and power-assisted steering oil pump all-in-one machine, it is characterised in that: the piston connecting rod unit Including piston, piston pin, connecting rod and needle bearing, the needle bearing is mounted in one end of connecting rod, and the connecting rod is by wearing The piston pin for crossing the needle bearing is connect with piston.

8. air compressor machine according to claim 1 and power-assisted steering oil pump all-in-one machine, it is characterised in that: the oil-free work of three cylinders Filling in air compressor machine further includes crankcase end cover, second bearing, separation sleeve, fan blade, fan nut, fan blade protective cover, the crankcase End cap is mounted on one end of the separate motor of crankcase, and the main part of the crankcase end cover is provided with through its both ends Bearing mounting hole and ventilative heat release hole, bearing mounting hole are located at the center of crankcase end cover, and second bearing is mounted on bearing installation In hole, the separation sleeve is mounted in the inner ring of second bearing, and one end of the separate clutch of the air compressor machine drive shaft passes through The separation sleeve, the end of one end of the separate clutch of air compressor machine drive shaft are provided with external screw thread, and the center of the fan blade is set It is equipped with the mounting hole through its both ends, the fan nut passes through fan blade and is fixed thereon fan blade, and fan nut is screwed in In air compressor machine drive shaft, and one end of fan nut is against on separation sleeve, and the fan blade protective cover is connect with crankcase, and by wind Leaf and crankcase end cover cover on inside, are provided with heat release hole on the end face of fan blade protective cover.

9. air compressor machine according to claim 8 and power-assisted steering oil pump all-in-one machine, it is characterised in that: the air compressor machine and help Power steering pump all-in-one machine further includes supporting plate, resilient cushion and base, and the motor is mounted on supporting plate, the resilient cushion It is mounted on the upper surface of base, the supporting plate and crankcase end cover are mounted on the top of resilient cushion.

10. air compressor machine according to claim 1 and power-assisted steering oil pump all-in-one machine, it is characterised in that: the clutch is Electromagnetic clutch.