CN202301522U - Connecting device and transmission gear - Google Patents
Connecting device and transmission gear Download PDFInfo
- Publication number
- CN202301522U CN202301522U CN2011202160420U CN201120216042U CN202301522U CN 202301522 U CN202301522 U CN 202301522U CN 2011202160420 U CN2011202160420 U CN 2011202160420U CN 201120216042 U CN201120216042 U CN 201120216042U CN 202301522 U CN202301522 U CN 202301522U
- Authority
- CN
- China
- Prior art keywords
- vibration damping
- link
- damping bush
- connection set
- coupled
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
- F16D3/54—Couplings comprising a chain or strip surrounding two wheels arranged side by side and provided with teeth or the equivalent
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
- F16D3/843—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor enclosed covers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
The utility model relates to a connecting device for connecting a motor and a speed reducer without a clutch in an electric automobile, and is characterized in that the connecting device comprises a first connecting piece, a second connecting piece and a vibration damping bush, wherein the first connecting piece is fixedly connected to a motor output shaft of the motor, the second connecting piece is fixedly connected to a speed reducer input shaft of the speed reducer, the vibration damping bush can be coupled to the first connecting piece and the second connecting piece in a deformable manner, a first end of the vibration damping bush is rotatably coupled to the first connecting piece, and a second end of the vibration damping bush is rotatably coupled to the second connecting piece. The utility model further provides a transmission gear used in the electric automobile. According to the utility model, the impact between the motor and a reduction differential is removed or weakened by the vibration damping bush, and the vibration is attenuated, and the connecting device and the transmission gear have the characteristics of light weight, small volume and easy installation.
Description
[technical field]
The utility model relates to a kind of connection set, and especially, the utility model relates to a kind of being applied in the pure electric automobile, is used to be connected the connection set of cutting down transmitting vibrations and impact between drive motor and the retarder.
[background technique]
Traditional automobile is an engine-driving, and through power train the power that motor sends is passed to driving wheel.Clutch is the parts that directly interrelate with motor in the speed changer, and its main effect comprises following aspect: guarantee the automobile balance starting, make between motor and the speed changer and can engage gradually, thereby guarantee that automobile balance starts to walk; Be convenient to gear shift, the transmission of power between temporarily disconnected motor and the speed changer, thus reduce the impact when reducing gear shift; Prevent the power train overload; The suddenly rapid reduction of speed of wheel when automobile emergency is braked; But the power train that links to each other with motor is because the inertia of rotation still keeps original rotating speed; Thereby can in transmission system, produce moment of inertia, because clutch is that frictionally comes transmitting torque, when load in the power train surpasses the frictional force institute of clutch can torque transmitted the time much larger than engine torque; The driving disc of clutch and driven disc will skid automatically, thereby the part that prevents power train overload and protection power train is avoided damaging.
Chinese patent discloses a kind of amphibious automobile number 93245156.X number; Its axis 23 passes through bearing fixing on casing; Axle 23 sky are arranged with gear 19, gear 22; Be provided with clutch collar 21 between the gear 19 and 22, said clutch collar 21 is fixed on the axle 23 through engage hub 20, and can horizontally slip along engage hub 20.Gear 19 and a side of 22 are respectively equipped with the joint gear ring that can engage with clutch collar 21, gear 19 and 22 respectively with axle on gear 2 and 4 constitute the constant mesh gear transmissions.Stir clutch collar 21 and engage with gear 19, power is delivered on the axle 22 from axle 1 just can obtain low speed, and clutch collar 21 engages with gear 22 and just can obtain at a high speed.
One Chinese patent application also discloses a kind of driving system of mixed power electric vehicle No. 200810241671.1; Transmission shaft, synchronous machine that it includes driving source, dynamic load, links to each other with said driving source and said dynamic load respectively; This transmission system also comprises transmission case, and said transmission case includes the epicyclic gear train that is connected with said transmission shaft, comprises two rotating members in this epicyclic gear train at least; Drive motor; The screw rod that links to each other with said drive motor, the nut that links to each other with said screw rod, first break that links to each other with said nut, second break, rocking bar, the first clutch, the second clutch that link to each other with said rocking bar; Said first clutch links to each other with said first break; Said second clutch links to each other with said second break, splined shaft, and said synchronous machine links to each other with said first clutch, said second clutch through said splined shaft; The first round rotation mechanism that links to each other with said first break; Said first round rotation mechanism links to each other with first rotating member in the said epicyclic gear train, and with said second break second rotaring mechanism of chain mutually, said second rotaring mechanism is connected with second rotating member in the said epicyclic gear train.
[model utility content]
A purpose of the utility model is, a kind of connection set of cutting down transmitting vibrations and impact between drive motor and the retarder that is applied to be connected in the pure electric automobile is provided.Simple in structure, the connection and reasonable arrangement of said connection set.
The above-mentioned purpose of the utility model solves through following technological scheme with other purposes:
The utility model provides a kind of connection set that in electric vehicle, connects motor and retarder; Said retarder does not have clutch; Said connection set includes first link, second link and vibration damping bush, and said first link is fixedly attached on the motor output shaft of said motor; Said second link is fixedly attached on the reducer input shaft of said retarder; Said vibration damping bush can be coupled to said first link and said second link in the shifting ground, and first end of wherein said vibration damping bush rotates and is coupled to said first link, and said second link is coupled in rotating with the said first end second opposed end of said vibration damping bush.
The connection set that the utility model provided, preferably, a housing holds said connection set hermetically, and said housing is between said motor and the retarder.
The connection set that the utility model provided, preferably, said vibration damping bush is the cylinder type hollow structure.
The connection set that the utility model provided; Preferably; On the inner side surface of said vibration damping bush, be provided with internal spline, on the outer side surface of said first link, be provided with first external splines, on the outer side surface of said second link, be provided with second external splines; Said first external splines is coupled to the internal spline of said vibration damping bush from a side of said vibration damping bush, and said second external splines is coupled to the internal spline of said vibration damping bush from the opposite side of said vibration damping bush.
The connection set that the utility model provided; Preferably; The outer side surface of said first link is provided with first annular protrusion, and when said first external splines was coupled to the internal spline of said vibration damping bush, said first annular protrusion was resisted against on the end face of said vibration damping bush.
The connection set that the utility model provided; Preferably; The outer side surface of said second link is provided with second annular protrusion, and when said second external splines was coupled to the internal spline of said vibration damping bush, said second annular protrusion was resisted against on the opposite end face of said vibration damping bush.
The connection set that the utility model provided, preferably, said first link and said second link are same configuration.
The purpose of the utility model also is to provide a kind of transmission device.Said transmission device includes drive motor, retarder, and the described connection set of aforementioned arbitrary technological scheme.
The transmission device that the utility model provided, preferably, said transmission device further includes housing, and said housing holds said connection set hermetically, and said housing is between said motor and the retarder.
Understand easily, any reasonable combination of technique scheme is obviously also within the protection domain of the utility model.
The utility model adopts vibration damping bush to come the transferring power moment of torsion, and in transmittance process, vibrates and impact through being out of shape the reduction power of decaying, and goes steadily thereby reach, and improves the riding comfort of automotive occupant.
[description of drawings]
Below in conjunction with accompanying drawing, the preferred implementation of the utility model is carried out in detail or preferred the description, wherein,
Fig. 1 is the signal erection drawing of the connection set of the utility model.
Fig. 2 is the exploded view of the connection set of the utility model.
[embodiment]
Understand easily, according to the technological scheme of the utility model, under the connotation that does not change the utility model, one of ordinary skill in the art can propose a plurality of mode of structure of the utility model.Therefore following embodiment and accompanying drawing only are to the specifying of the technological scheme of the utility model, and should not be regarded as the utility model all perhaps be regarded as qualification or restriction to the utility model technological scheme.
With reference to figure 1 and Fig. 2, it shows the connection set of the utility model and the schematic representation of transmission device below.Wherein, the connection set of the utility model is preferred in the electric vehicle.As shown in Figure 1, transmission device includes drive motor 1, retarder 4.Be provided with housing 7 between said drive motor 1 and the said retarder 4, said housing 7 is preferably the cylinder type hollow structure of hollow, makes the connection set of the utility model can be contained in the said housing 7.The two ends of said housing 7 are preferably through being bolted on said drive motor 1 and the said retarder 4.In addition, said housing 7 is preferably used for also preventing that dust or grease from entering into said connection set.Said retarder 3 does not have clutch.
One end of said connection set is connected with the output shaft of said drive motor 1, and its other end is connected with the input shaft of said retarder 3.As shown in Figure 2, said connection set includes first link, 6, the second links 5 and vibration damping bush 3, and said first link 6 is fixedly attached on the motor output shaft of said motor 1.Preferably, said first link 6 connects through key or is fixed on the output shaft of said motor 1 through lock screw.Said second link 5 is fixedly attached on the input shaft of said retarder 3, and preferably, said second link 5 connects through key or is fixed on the input shaft of said retarder 3 through lock screw.Said vibration damping bush 3 can be coupled to said first link 6 and said second link 5 in the shifting ground; First end of wherein said vibration damping bush 3 rotates and is coupled to said first link 6, and said second link 5 is coupled in rotating with the said first end second opposed end of said vibration damping bush 3.
Preferably; On the inner side surface of said vibration damping bush 3, be provided with internal spline; On the outer side surface of said first link 6, be provided with first external splines; On the outer side surface of said second link 5, be provided with second external splines, said first external splines is coupled to the internal spline of said vibration damping bush 3 from a side of said vibration damping bush 3, and said second external splines is coupled to the internal spline of said vibration damping bush 3 from the opposite side of said vibration damping bush 3.Through the mode that spline is provided with, can realize the rotation coupling between said vibration damping bush 3 and said first connecting key 6 and said second link 5.
Preferably, on the outer side surface of said first link 6, be provided with first annular protrusion, when said first external splines was coupled to the internal spline of said vibration damping bush 3, said first annular protrusion was resisted against on the end face of said vibration damping bush 3.And further, the outer side surface of said second link 5 is provided with second annular protrusion, and when said second external splines was coupled to the internal spline of said vibration damping bush 3, said second annular protrusion was resisted against on the opposite end face of said vibration damping bush 3.
In the further preferred implementation of the utility model, said first link 6 is a same configuration with said second link 5.
The connection set of the utility model is out of shape through vibration damping bush to be eliminated or weakens motor and subtract the impact between the differential mechanism, attenuation vibration, and noise is little, has light weight, and volume is little, is prone to the characteristics of installing.
Claims (9)
1. connection set that in electric vehicle, connects motor and retarder; Said retarder does not have clutch, it is characterized in that, said connection set includes first link; Second link and vibration damping bush; Said first link is fixedly attached on the output shaft of said motor, and said second link is fixedly attached on the said input shaft of speed reducer, and said vibration damping bush can be coupled to said first link and said second link in the shifting ground; First end of wherein said vibration damping bush rotates and is coupled to said first link, and said second link is coupled in rotating with the said first end second opposed end of said vibration damping bush.
2. connection set as claimed in claim 1 is characterized in that a housing holds said connection set hermetically, and said housing is between said motor and the retarder.
3. connection set as claimed in claim 1 is characterized in that, said vibration damping bush is the cylinder type hollow structure.
4. connection set as claimed in claim 3; It is characterized in that; On the inner side surface of said vibration damping bush, be provided with internal spline, on the outer side surface of said first link, be provided with first external splines, on the outer side surface of said second link, be provided with second external splines; Said first external splines is coupled to the internal spline of said vibration damping bush from a side of said vibration damping bush, and said second external splines is coupled to the internal spline of said vibration damping bush from the opposite side of said vibration damping bush.
5. connection set as claimed in claim 4; It is characterized in that; The outer side surface of said first link is provided with first annular protrusion, and when said first external splines was coupled to the internal spline of said vibration damping bush, said first annular protrusion was resisted against on the end face of said vibration damping bush.
6. connection set as claimed in claim 4; It is characterized in that; The outer side surface of said second link is provided with second annular protrusion, and when said second external splines was coupled to the internal spline of said vibration damping bush, said second annular protrusion was resisted against on the opposite end face of said vibration damping bush.
7. like the arbitrary described connection set of claim 1-5, it is characterized in that said first link and said second link are same configuration.
8. transmission device that is used for electric motor car, said transmission device includes drive motor, retarder, and the described connection set of aforementioned arbitrary claim.
9. transmission device as claimed in claim 8 is characterized in that said transmission device further includes housing, and said housing holds said connection set hermetically, and said housing is between said motor and the retarder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202160420U CN202301522U (en) | 2011-06-22 | 2011-06-22 | Connecting device and transmission gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202160420U CN202301522U (en) | 2011-06-22 | 2011-06-22 | Connecting device and transmission gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202301522U true CN202301522U (en) | 2012-07-04 |
Family
ID=46370428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202160420U Expired - Fee Related CN202301522U (en) | 2011-06-22 | 2011-06-22 | Connecting device and transmission gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202301522U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627091A (en) * | 2015-07-16 | 2017-05-10 | 上海汽车集团股份有限公司 | Hybrid electric vehicle, motor driving transmission system and vibration reduction mechanism of system |
| CN106856677A (en) * | 2017-04-07 | 2017-06-20 | 郑修兴 | A kind of mini-tiller |
| CN110030286A (en) * | 2019-04-16 | 2019-07-19 | 北京航天发射技术研究所 | The standby fast clutch gyroscopic drive system of the heat of device for revolving and driving and its building |
| CN110518739A (en) * | 2019-09-24 | 2019-11-29 | 礼宏伟 | A kind of motor transmission shaft and the magneto with it |
| WO2019237937A1 (en) * | 2018-06-13 | 2019-12-19 | Ningbo Geely Automobile Research & Development Co., Ltd. | A transmission for a vehicle |
| CN114056336A (en) * | 2020-08-07 | 2022-02-18 | 上海汽车集团股份有限公司 | Method for controlling axial vibrations of a drive train and chassis drive train of a motor vehicle |
-
2011
- 2011-06-22 CN CN2011202160420U patent/CN202301522U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627091A (en) * | 2015-07-16 | 2017-05-10 | 上海汽车集团股份有限公司 | Hybrid electric vehicle, motor driving transmission system and vibration reduction mechanism of system |
| CN106627091B (en) * | 2015-07-16 | 2019-07-19 | 上海汽车集团股份有限公司 | Hybrid vehicle, motor driven transmission system and its damper mechanism |
| CN106856677A (en) * | 2017-04-07 | 2017-06-20 | 郑修兴 | A kind of mini-tiller |
| WO2019237937A1 (en) * | 2018-06-13 | 2019-12-19 | Ningbo Geely Automobile Research & Development Co., Ltd. | A transmission for a vehicle |
| US11230181B2 (en) | 2018-06-13 | 2022-01-25 | Ningbo Geely Automobile Research & Development Co. | Transmission for a vehicle |
| CN110030286A (en) * | 2019-04-16 | 2019-07-19 | 北京航天发射技术研究所 | The standby fast clutch gyroscopic drive system of the heat of device for revolving and driving and its building |
| CN110518739A (en) * | 2019-09-24 | 2019-11-29 | 礼宏伟 | A kind of motor transmission shaft and the magneto with it |
| CN114056336A (en) * | 2020-08-07 | 2022-02-18 | 上海汽车集团股份有限公司 | Method for controlling axial vibrations of a drive train and chassis drive train of a motor vehicle |
| CN114056336B (en) * | 2020-08-07 | 2024-04-05 | 上海汽车集团股份有限公司 | Axial vibration control method of transmission system and chassis transmission system of automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20190622 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |