CN205064022U - Engine and automobile - Google Patents

Engine and automobile Download PDF

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Publication number
CN205064022U
CN205064022U CN201520844648.7U CN201520844648U CN205064022U CN 205064022 U CN205064022 U CN 205064022U CN 201520844648 U CN201520844648 U CN 201520844648U CN 205064022 U CN205064022 U CN 205064022U
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CN
China
Prior art keywords
trunnion shaft
oil
internal rotor
motor
axle
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Application number
CN201520844648.7U
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Chinese (zh)
Inventor
杨俊超
尹亿光
易仕勇
曹思雨
冀晓栋
周武明
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.)
Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Priority to CN201520844648.7U priority Critical patent/CN205064022U/en
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Publication of CN205064022U publication Critical patent/CN205064022U/en
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Abstract

The utility model provides an engine and automobile, including bent axle, balanced axle and oil pump, the bent axle with balanced through -drive is connected, the oil pump includes the inner rotor, the first end of balanced axle stretches into in the oil pump and with the inner rotor transmission is connected. The balanced axle of the fine solution of engine arrange the not enough problem in space, reduced to arrange the space greatly, material saving simultaneously, reduce cost. And the lubricated mode of balanced axle of engine can play good lubrication action to balanced axle to the noise reduction.

Description

A kind of motor and automobile
Technical field
The utility model relates to technical field of automobile engine, particularly a kind of motor and automobile.
Background technique
Along with the high speed development of scientific and technological level, the diversification of China Automobile Industry, people are more and more extensive for the traveling purposes of vehicle, and simultaneously also more and more higher for vehicle needs, people more focus on vehicle riding comfort.Require higher for engine luggine thus, particularly three cylinder engine, when idling, vibration is more severe than four-cylinder.If large department three cylinder owner reduces engine luggine by balance axle and increase balancer weight two kinds of modes at present, balance is heavy cannot balance all unbalance moments, and therefore balance axle is more extensive, and better effects if.
Be provided with trunnion shaft in motor to can be good at improving overall engine vibration, but also bring very large difficulty to engine arrangement simultaneously.Current three cylinder engine mainly carries dilly, and require that motor takes up room little, lightweight, trunnion shaft component take up room, and arrange more difficult.Trunnion shaft needs to drive rotation by bent axle by a set of chain drive system or gear train assembly on the other hand, and this increases trunnion shaft arrangement space more greatly, and increases a set of transmission system cost.Therefore some prior aries propose the scheme utilizing trunnion shaft driving machine oil pump, by arranging extra driving structure to realize between machine oil pump shaft and trunnion shaft, thus need not re-use two cover transmission systems driving machine oil pump and trunnion shaft respectively.
Present stage, motor need arrange extra driving structure to realize the driving of trunnion shaft to oil pump between trunnion shaft and oil pump, this not only makes oil pump driving structure more complicated, and add the axial length of trunnion shaft and oil pump, make trunnion shaft and oil pump difficult arrangement, take up room larger.Trunnion shaft needs lubrication in rotary course in addition, needs to increase separately oil duct and lubricate trunnion shaft axle journal in cylinder body or oil sump, increases manufacture cost.In three cylinder engine, difficult arrangement, high in cost of production problem is there is at present based on some trunnion shaft above.
Model utility content
In view of this, the utility model is intended to propose a kind of motor and automobile, to improve trunnion shaft and oil pump difficult arrangement, takes up room comparatively large, the inconvenience of trunnion shaft lubrication, high in cost of production problem.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of motor, comprise bent axle, trunnion shaft and oil pump, described bent axle is connected with described balance shaft drive, and described oil pump comprises internal rotor, and it is interior and be in transmission connection with described internal rotor that the first end of described trunnion shaft stretches into described oil pump.
Further, described internal rotor comprises center hole, and the first end of described trunnion shaft stretches in described center hole, and the first end of described trunnion shaft and described internal rotor are by key transmission transmitting torque.
Further, the end face of the first end of described trunnion shaft is provided with tapped hole, by being arranged at the bolton in tapped hole between the first end of described trunnion shaft and described internal rotor.
Further, described trunnion shaft inside is provided with oil leab, described trunnion shaft is provided with axle journal, described neck bush is provided with bearing, the journal surface of described trunnion shaft offers oil outlet, and described oil outlet is communicated with described oil leab, and the first end of described trunnion shaft is provided with oil inlet hole, the sidewall of described internal rotor offers internal rotor oilhole, and described internal rotor oilhole is communicated with the oil inlet hole of described trunnion shaft.
Further, filter screen is provided with in the oil inlet hole of the first end of described trunnion shaft.
Further, described trunnion shaft has two axle journals, and two axle journal places are all arranged with bearing, and two described journal surface all offer oil outlet, and two described oil outlets are all communicated with described oil leab.
Further, be in transmission connection by chain drive structure between described bent axle and described trunnion shaft, described chain drive structure comprises the first sprocket wheel being arranged at described crankshaft end and the second sprocket wheel being arranged at described trunnion shaft second end, and described first sprocket wheel is connected by chain transmission with the second sprocket wheel.
Further, described chain is quiet silent chain.
The utility model additionally provides a kind of automobile, and described automobile is provided with the motor described in above-mentioned arbitrary technological scheme.
Relative to prior art, motor described in the utility model and automobile have following advantage:
Motor of the present utility model and automobile, comprise bent axle, trunnion shaft and oil pump, described bent axle is connected with described balance shaft drive, and described oil pump comprises internal rotor, and the first end of described trunnion shaft to stretch in described oil pump and is in transmission connection with described internal rotor.Compared with prior art, the utility model is the integrated structure of a kind of rotor of engine oil pump and trunnion shaft, first end due to trunnion shaft stretches into the set-up mode be in transmission connection with internal rotor in oil pump, trunnion shaft and oil pump are combined into one, do not need to arrange other transmission paries in the middle of trunnion shaft and oil pump, therefore substantially reduce arrangement space, well solve the not enough problem of trunnion shaft arrangement space, reduce costs simultaneously.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the linkage structure schematic diagram of bent axle, trunnion shaft and oil pump in the utility model embodiment motor;
Fig. 2 is trunnion shaft in the utility model embodiment motor and oil pump mounting structure schematic diagram;
Fig. 3 is the trunnion shaft internal galleries structural representation in the utility model embodiment motor;
Description of reference numerals:
1-bent axle, 2-trunnion shaft, 3-oil pump, 4-bolt, 5-first sprocket wheel, 6-second sprocket wheel, 7-chain, 8-key, 21-oil leab, 22-axle journal, 23-oil outlet, 24-oil inlet hole, 31-internal rotor, 32-external rotor, the 33-pump housing, 34-pump cover, 35-pump cover construction bolt, 311-center hole, 312-internal rotor oilhole, 313-keyway.
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As shown in Figure 1, a kind of motor, comprises bent axle 1, trunnion shaft 2 and oil pump 3, and described bent axle 1 is in transmission connection with described trunnion shaft 2, described oil pump 3 comprises internal rotor 31, and the first end of described trunnion shaft 2 to stretch in described oil pump 3 and is in transmission connection with described internal rotor 31.
Motor of the present utility model, because bent axle 1 and described trunnion shaft 2 are in transmission connection, described oil pump 3 comprises internal rotor 31, when motor has moment of torsion to export, then moment of torsion can be passed to trunnion shaft 2 by described bent axle 1, because trunnion shaft 2 and oil pump 3 integrate, namely the first end of described trunnion shaft 2 to stretch in described oil pump 3 and is in transmission connection with described internal rotor 31.Then trunnion shaft 2 drives the internal rotor 31 be attached thereto, and drive external rotor 32 rotates by internal rotor 31, thus driving machine oil pump 3 works.I.e. trunnion shaft 2 and oil pump 3 synchronous axial system.Because trunnion shaft 2 of the present utility model is integrated with internal rotor of lubricating pump 31, so the driving mechanism between saving, decreases component, substantially improve the problem of trunnion shaft 2 and oil pump 3 difficult arrangement.Substantially reduce arrangement space, reduce costs simultaneously, reduce noise.
Particularly, as shown in Figure 2, described internal rotor 31 comprises center hole 311, the first end of described trunnion shaft 2 stretches in described center hole 311, and internal rotor of lubricating pump 31 is connected to trunnion shaft 2 end by bolt 4, and it is inner that internal rotor 31 and external rotor 32 are arranged on oil pump 3 body, at the pump housing 33 internal rotating pump oil, pump cover 34 is connected with the pump housing 33 by pump cover construction bolt 35, and pump cover 34, the pump housing 33 form enclosed cavity, internal rotor 31 and external rotor 32 rotary work in enclosed cavity jointly with trunnion shaft 2.Described enclosed cavity is of value to the leakage avoiding machine oil, also plays certain protective action to its internal structure simultaneously.The first end of described trunnion shaft 2 and described internal rotor 31 are by key transmission transmitting torque.By one end fitting key 8 at trunnion shaft 2, in the center hole 311 of internal rotor 31, corresponding position arranges keyway 313.The rotating force that this Placement can make trunnion shaft 2 in rotary course pass to internal rotor 31 passes to internal rotor 31 by key 8, alleviates bolt 4 load, avoids bolt 4 to loosen.
Further, the end face of the first end of described trunnion shaft 2 is provided with tapped hole, and the bolt 4 by being arranged in tapped hole between the first end of described trunnion shaft 2 and described internal rotor 31 is fastening.Preferably, the diameter of the head of construction bolt 4 can be greater than the diameter of the center hole 311 of described internal rotor 31, construction bolt 4 is screwed in the tapped hole trunnion shaft 2 first end face with matching from one end of internal rotor 31, tight a bolt, the end face of bolt head and internal rotor 31 is tightly forced together; Bolt 4 head diameter also can be less than the diameter of the center hole 311 of described internal rotor 31, can on bolt 4 sheathed packing ring, the diameter of described packing ring is greater than the diameter of the center hole 311 of described internal rotor 31, then bolt is screwed in the tapped hole on trunnion shaft 2 first end face with matching, tight a bolt, the end face of packing ring and internal rotor 31 is tightly forced together.Thus internal rotor 31 and trunnion shaft 2 are combined by bolt 4, make it to become overall.Connect the connection that can make internal rotor 31 and trunnion shaft 2 by bolt 4 more firm, and detachably, facilitate the dismounting of part, replacing.
Further, as shown in Figure 3, described trunnion shaft 2 inside is provided with oil leab 21, described trunnion shaft 2 is provided with axle journal 22, described axle journal 22 is arranged with bearing (not shown), axle journal 22 surface of described trunnion shaft 2 offers oil outlet 23, described oil outlet 23 is communicated with described oil leab 21, the first end of described trunnion shaft 2 is provided with oil inlet hole 24, the sidewall of described internal rotor 31 offers internal rotor oilhole 312, and described internal rotor oilhole 312 is communicated with the oil inlet hole 24 of described trunnion shaft 2.When machine oil is after oil pump 3 supercharging, high pressure oil enters the oil inlet hole 24 of described trunnion shaft 2 by described internal rotor oilhole 312, enter the described oil leab 21 of trunnion shaft 2 inside, because the oil leab 21 of described trunnion shaft 2 is connected with the oil outlet 23 at described trunnion shaft 2 axle journal 22 place, therefore high pressure oil can be flowed out by the oil outlet 23 of trunnion shaft 2 internal galleries from axle journal 22.Due to axle journal 22, place is connected with bearing, then high pressure oil can lubricate axle journal 22 and pivot friction secondary surface, decreases noise.Oil leab 21 is directly arranged at the inside of oil pump 3 and trunnion shaft 2 by such set-up mode, and do not need in cylinder body or oil sump, increase separately oil duct and lubricate trunnion shaft 2 axle journal 22, lubrication is convenient.Thus saving material, decrease manufacture cost, save arrangement space simultaneously.
Further, filter screen is provided with in the oil inlet hole 24 of the first end of described trunnion shaft 2.Effectively can filter out the impurity in lubricant oil like this, prevent impurity from producing blocking to the oil leab 21 of described trunnion shaft 2, avoid impurity to the harmful effect of each parts simultaneously, to play good lubrication effect, ensure the working life of each parts.
Further, described trunnion shaft 2 has two axle journals 22, so that play good positioning action, is convenient to the installation and removal of bearing.Two axle journal 22 places are all arranged with bearing, and bearing can play good supporting effect to trunnion shaft 2 and arrange the effect that two bearings can play balanced support trunnion shaft 2, can make the central axis maintenance level of trunnion shaft 2.Two described axle journal 22 surfaces all offer oil outlet 23, and two described oil outlets 23 are all communicated with described oil leab 21.The machine oil in oil pump 3 so just can be made simultaneously to be lubricated the bearing on two axle journals 22 by an oil leab 21, avoid arranging many oil leabs, provide cost savings.
Further, be in transmission connection by chain drive structure between described bent axle 1 and described trunnion shaft 2, described chain drive structure comprises the first sprocket wheel 5 being arranged at described bent axle 1 end and the second sprocket wheel 6 being arranged at described trunnion shaft 2 second end, and described first sprocket wheel 5 and the second sprocket wheel 6 are in transmission connection by chain 7.Chain conveyer can keep average ratios accurately, and transmission efficiency is high, and radial suppressive jamming is little, can work in high temperature environments, and with low cost, and installation precision requires lower.When output torque is passed to described bent axle 1 by motor, described bent axle 1 is arranged on described first sprocket wheel 5 of its end by driving.Described first sprocket wheel 5 rotates driving the described chain 7 be engaged with, described chain 7 and then drive described second sprocket wheel 6 to rotate, because described second sprocket wheel 6 is placed in described trunnion shaft 2 second end, then affiliated for drive trunnion shaft 2 rotates by described second sprocket wheel 6, again because trunnion shaft 2 and internal rotor of lubricating pump 31 are integrated, then driving machine oil pump 3 works by trunnion shaft.
Concrete, described chain 7 is quiet silent chain.Common chain is bush roller chain, and quiet chain is silent chain, and it is softer that chain enters tooth angle degree, impacts less, more steadily, and can not produce the chain roller of noise, so noise is less, and more stretch-proof.
The utility model additionally provides a kind of automobile, and described automobile is provided with the motor in above-mentioned any embodiment.
Because the motor used in the automobile of the present embodiment is identical with the motor provided in each embodiment of above-mentioned motor, therefore the two can solve identical technical problem, and reaches identical Expected Results.
Other formations about the automobile of the utility model embodiment wait known by those skilled in the art, no longer describe in detail at this.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (9)

1. a motor, comprise bent axle (1), trunnion shaft (2) and oil pump (3), it is characterized in that, described bent axle (1) and described trunnion shaft (2) are in transmission connection, described oil pump (3) comprises internal rotor (31), and the first end of described trunnion shaft (2) to stretch in described oil pump (3) and is in transmission connection with described internal rotor (31).
2. motor according to claim 1, it is characterized in that, described internal rotor (31) comprises center hole (311), the first end of described trunnion shaft (2) stretches in described center hole (311), and the first end of described trunnion shaft (2) and described internal rotor (31) are by key transmission transmitting torque.
3. motor according to claim 2, it is characterized in that, the end face of the first end of described trunnion shaft (2) is provided with tapped hole, and the bolt (4) by being arranged in tapped hole between the first end of described trunnion shaft (2) and described internal rotor (31) is fastening.
4. the motor according to any one of claims 1 to 3, it is characterized in that, described trunnion shaft (2) inside is provided with oil leab (21), described trunnion shaft (2) is provided with axle journal (22), described axle journal (22) is arranged with bearing, axle journal (22) surface of described trunnion shaft offers oil outlet (23), described oil outlet (23) is communicated with described oil leab (21), the first end of described trunnion shaft (2) is provided with oil inlet hole (24), the sidewall of described internal rotor (31) offers internal rotor oilhole (312), described internal rotor oilhole (312) is communicated with the oil inlet hole (24) of described trunnion shaft (2).
5. motor according to claim 4, is characterized in that, is provided with filter screen in the oil inlet hole (24) of the first end of described trunnion shaft (2).
6. motor according to claim 4, it is characterized in that, described trunnion shaft (2) has two axle journals (22), two axle journal (22) places are all arranged with bearing, and two described axle journal (22) surfaces all offer oil outlet (23), two described oil outlets (23) are all communicated with described oil leab (21).
7. motor according to claim 1, it is characterized in that, be in transmission connection by chain drive structure between described bent axle (1) and described trunnion shaft (2), described chain drive structure comprises the first sprocket wheel (5) being arranged at described bent axle (1) end and the second sprocket wheel (6) being arranged at described trunnion shaft second end, and described first sprocket wheel (5) and the second sprocket wheel (6) are in transmission connection by chain (7).
8. motor according to claim 7, is characterized in that, described chain (7) is quiet silent chain.
9. an automobile, is characterized in that, described automobile is provided with the motor according to any one of claim 1 ~ 8.
CN201520844648.7U 2015-10-28 2015-10-28 Engine and automobile Active CN205064022U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520844648.7U CN205064022U (en) 2015-10-28 2015-10-28 Engine and automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520844648.7U CN205064022U (en) 2015-10-28 2015-10-28 Engine and automobile

Publications (1)

Publication Number Publication Date
CN205064022U true CN205064022U (en) 2016-03-02

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Application Number Title Priority Date Filing Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107477145A (en) * 2017-09-08 2017-12-15 浙江义利汽车零部件有限公司 A kind of lubricating oil pump balance shaft integrating device
CN107476842A (en) * 2016-08-29 2017-12-15 宝沃汽车(中国)有限公司 A kind of lubricating oil pump driving structure, automobile engine and vehicle
CN108036185A (en) * 2017-10-20 2018-05-15 宝沃汽车(中国)有限公司 Engine balance mechanism and vehicle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107476842A (en) * 2016-08-29 2017-12-15 宝沃汽车(中国)有限公司 A kind of lubricating oil pump driving structure, automobile engine and vehicle
CN107476842B (en) * 2016-08-29 2019-12-20 北汽福田汽车股份有限公司 Oil pump drive structure, automobile engine and vehicle
CN107477145A (en) * 2017-09-08 2017-12-15 浙江义利汽车零部件有限公司 A kind of lubricating oil pump balance shaft integrating device
CN108036185A (en) * 2017-10-20 2018-05-15 宝沃汽车(中国)有限公司 Engine balance mechanism and vehicle

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