CN206830745U - A kind of buncher used for electric vehicle - Google Patents
A kind of buncher used for electric vehicle Download PDFInfo
- Publication number
- CN206830745U CN206830745U CN201720769209.3U CN201720769209U CN206830745U CN 206830745 U CN206830745 U CN 206830745U CN 201720769209 U CN201720769209 U CN 201720769209U CN 206830745 U CN206830745 U CN 206830745U
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- Prior art keywords
- wheel
- adjustment mechanism
- fixed semi
- screw mandrel
- throw
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Abstract
The utility model discloses a kind of buncher used for electric vehicle, including transmission mechanism, the first adjustment mechanism, the second adjustment mechanism, the first retaining mechanism and the second retaining mechanism；The transmission mechanism includes driving shaft, driven shaft, the first fixed semi-wheel, the wheel of the first slip half, the second fixed semi-wheel, the wheel of the second slip half and steel band, first fixed semi-wheel is fixedly mounted on the driving shaft, described first slides half wheel is slidably mounted on the driving shaft by spline, and cooperatively forms driving wheel with first fixed semi-wheel；Second fixed semi-wheel is fixedly mounted on the driven shaft, and described second slides half wheel is slidably mounted on the driven shaft by spline, and cooperatively forms driven pulley with second fixed semi-wheel；The driving wheel is connected with the driven pulley by the steel band.The utility model can be applied to electric automobile.
Description
Technical field
It the utility model is related to electric vehicle engineering, more particularly to a kind of buncher used for electric vehicle.
Background technology
With the high speed development of auto industry, the total recoverable amount of Global Auto is continuously increased, environmental pollution caused by automobile,
The problem of energy shortage etc., is more and more prominent.Electric automobile with efficiently, energy-conservation, low noise, the remarkable advantage such as zero-emission,
Energy-conservation and environmental protection aspect have larger advantage.
Very greatly, usual gear scope is 4-9, and the power of motor for the automobile resistance change run into described in the process of moving
Square excursion can not meet the requirement of electric automobile during traveling performance.Auto continuously variable transmission is mostly electrichydraulic control formula at present, its
The element costs such as pump, valve are high, failure is high, when on applied to electric automobile, it is also necessary to increase individual motor oil pump systems in addition
For cone disk speed change system pressurization.If directly increasing oil pump systems on electric automobile, not only system can be made to become more complicated,
It can also consume substantial amounts of energy simultaneously.
How buncher is applied on electric automobile, is one of this area major issue urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of buncher used for electric vehicle, to solve stepless change in the prior art
Fast device does not apply to the problem of electric automobile.
The utility model provides a kind of buncher used for electric vehicle, wherein, including transmission mechanism, the first adjustment machine
Structure, the second adjustment mechanism, the first retaining mechanism and the second retaining mechanism；
The transmission mechanism include driving shaft, driven shaft, the first fixed semi-wheel, first slide half wheel, the second fixed semi-wheel,
Second, which slides partly wheel and steel band, first fixed semi-wheel, is fixedly mounted on the driving shaft, and first slip half, which is taken turns, leads to
Cross spline to be slidably mounted on the driving shaft, and driving wheel is cooperatively formed with first fixed semi-wheel；Described second
Fixed semi-wheel is fixedly mounted on the driven shaft, and the wheel of the second slip half is slidably mounted in described driven by spline
On axle, and driven pulley is cooperatively formed with second fixed semi-wheel；The driving wheel is connected with the driven pulley by the steel band
Connect；
First adjustment mechanism by clutch shaft bearing be arranged on the driving shaft on, and first adjustment mechanism against
Half, which is slided, described first takes turns the side away from first fixed semi-wheel；
First adjustment mechanism includes screw mandrel and sleeve, and the screw mandrel fixed setting, the screw mandrel is provided with hole, described
Screw mandrel passes through the clutch shaft bearing and the active axis connection；The screw mandrel coordinates with the sleeve, forms ball screw arrangement；
The periphery of the sleeve is provided with gear；The screw mandrel that first retaining mechanism is arranged on first adjustment mechanism is remote
Described first slides the side of half wheel；
Second adjustment mechanism by second bearing be arranged on the driven shaft on, and second adjustment mechanism against
Half, which is slided, described second takes turns the side away from second fixed semi-wheel；
Second adjustment mechanism is identical with the structure of first adjustment mechanism；Second retaining mechanism is arranged on institute
The screw mandrel on the second adjustment mechanism is stated away from the described second side for sliding half wheel.
Buncher used for electric vehicle as described above, these, it is preferred to, in addition to adjustment motor, the adjustment
Motor is connected by gear and the sleeve.
Buncher used for electric vehicle as described above, these, it is preferred to, first retaining mechanism sets for periphery
Nut with teeth, the nut are connected with the wire rod thread；Second retaining mechanism has with first retaining mechanism
Identical structure.
Buncher used for electric vehicle as described above, these, it is preferred to, first retaining mechanism also includes lock
Only motor, the locking motor are connected with the nut by gear drive.
Buncher used for electric vehicle as described above, these, it is preferred to, first adjustment mechanism is provided with the
One throw-out collar, first throw-out collar are located between the sleeve on first adjustment mechanism and the wheel of the first slip half；Institute
State the first throw-out collar and be provided with the first slot rolling close to the side of the wheel of the described first slip half, be rollably provided with first slot rolling
First steel ball, first steel ball are resisted against described first and slided on half wheel；
Second adjustment mechanism is provided with the second throw-out collar, and second throw-out collar is located at the institute on second adjustment mechanism
State between sleeve and the wheel of the second slip half；Second throw-out collar is provided with the second rolling close to the described second side for sliding half wheel
Groove, the second steel ball is rollably provided with second slot rolling, and second steel ball is resisted against described second and slided on half wheel.
The utility model provides a kind of buncher used for electric vehicle, by being set on the driving shaft of buncher
The first adjustment mechanism is put, the second adjustment mechanism is set on driven shaft, the first adjustment mechanism includes the screw mandrel of fixed setting, screw mandrel
The ball screw arrangement cooperatively formed with sleeve, it can just be promoted by the rotation of control sleeve and be slidably mounted in driving shaft
On first slide half slipping, the second adjustment mechanism and the first adjustment mechanism have identical structure.Pass through the second adjustment machine
Structure, be slidably mounted on driven shaft second can be promoted to slide half slipping.In this way, pass through the first adjustment mechanism and
Two adjustment mechanisms can realize the adjustment to buncher speed ratio.Because the first adjustment mechanism and the second adjustment mechanism pass through machine
Tool transmission can be realized as being adjusted for the fast ratio of buncher, without using hydraulic system, be applicable to electronic
On automobile.
Brief description of the drawings
Fig. 1 is the structural representation for the buncher used for electric vehicle that the utility model embodiment proposes；
Fig. 2 is that the installation of the sleeve and screw mandrel on the first adjustment mechanism that the utility model embodiment proposes is illustrated
Figure；
Fig. 3 is that the installation of the sleeve and screw mandrel on the second adjustment mechanism that the utility model embodiment proposes is illustrated
Figure.
Description of reference numerals：
1- transmission mechanisms, the adjustment mechanisms of 2- first, the adjustment mechanisms of 3- second, the retaining mechanisms of 4- first, 5- second lock machine
Structure, 6- driving shafts, 7- driven shafts, the fixed semi-wheels of 8- first, 9- first slide half and taken turns, and the fixed semi-wheels of 10- second, 11- second is slided
Dynamic half takes turns, 12- steel bands, 13- clutch shaft bearings, 14- screw mandrels, 15- sleeves, 16- second bearings, 17- adjustment motors, 18- nuts,
19- locking motors, the throw-out collars of 20- first, the slot rollings of 21- first, the steel balls of 22- first, the throw-out collars of 23- second, the slot rollings of 24- second, 25-
Two steel balls.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and can not be construed to of the present utility model
Limitation.
Fig. 1 is the structural representation for the buncher used for electric vehicle that the utility model embodiment proposes；Fig. 2
For the sleeve and the scheme of installation of screw mandrel on the first adjustment mechanism of the utility model embodiment proposition；Fig. 3 is this
The scheme of installation of sleeve and screw mandrel on second adjustment mechanism of utility model specific embodiment proposition.
Fig. 1 is refer to, the utility model embodiment provides a kind of buncher used for electric vehicle, wherein, including pass
Motivation structure 1, the first adjustment mechanism 2, the second adjustment mechanism 3, the first retaining mechanism 4 and the second retaining mechanism 5；
The transmission mechanism 1 includes driving shaft 6, driven shaft 7, the first fixed semi-wheel 8, first and slides half the 9, second fixation of wheel
Half wheel 10, second slides half wheel 11 and steel band 12.First fixed semi-wheel 8 is fixedly mounted on the driving shaft 6, in this way,
It can ensure that the first fixed semi-wheel 8 rotates together with the driving shaft 6.Described first, which slides half wheel 9, passes through spline（In figure not
Show）It is slidably mounted on the driving shaft 6, so, it is ensured that first slides half wheel 9 with the driving shaft 6 one
Rise and rotate.The external diameter of first fixed semi-wheel 8 tapers into along the direction that half wheel 9 is slided close to described first, and described first
The external diameter for sliding half wheel 9 tapers into along the direction close to first fixed semi-wheel 8；Described first slide half wheel 9 with it is described
First fixed semi-wheel 8 cooperatively forms driving wheel；Second fixed semi-wheel 10 is fixedly mounted on the driven shaft 7, in this way, can
To ensure the second fixed semi-wheel 10 as the driven shaft 7 rotates together.Described second, which slides half wheel 11, passes through spline（In figure not
Show）It is slidably mounted on the driven shaft 7, so, it is ensured that second slides half wheel 11 with the driven shaft 7 one
Rise and rotate.The external diameter of second fixed semi-wheel 10 tapers into along the direction that half wheel 11 is slided close to described second, and described the
Two external diameters for sliding half wheel 11 taper into along the direction close to second fixed semi-wheel 10；Described second slide half wheel 11 with
Second fixed semi-wheel 10 cooperatively forms driven pulley；The driving wheel is connected with the driven pulley by the steel band 12；
First adjustment mechanism 2 is arranged on the driving shaft 6 by clutch shaft bearing 13, and first adjustment mechanism
2, which are resisted against described first, slides half 9 sides away from first fixed semi-wheel 8 of wheel；
First adjustment mechanism 2 includes screw mandrel 14 and sleeve 15, and the screw mandrel 14 is fixedly installed, set on the screw mandrel 14
Have hole, the screw mandrel 14 is connected by the clutch shaft bearing 13 with the driving shaft 6, in this way, can reduce the screw mandrel 14 with
The frictional force of the driving shaft 6；The screw mandrel 14 coordinates with the sleeve 15, forms ball screw arrangement；The sleeve 15
Periphery is provided with gear（Not shown in figure）；First retaining mechanism 4 is arranged on the screw mandrel on first adjustment mechanism 2
14 away from the described first side for sliding half wheel 9；
Second adjustment mechanism 3 is arranged on the driven shaft 7 by second bearing 16, and second adjustment mechanism
3, which are resisted against described second, slides half 11 sides away from second fixed semi-wheel 10 of wheel；
Second adjustment mechanism 3 is identical with the structure of first adjustment mechanism 2；Second retaining mechanism 5 is installed
The screw mandrel 14 on second adjustment mechanism 3 is away from the described second side for sliding half wheel 11.
When it is implemented, when needing to accelerate, first adjustment mechanism 2 is by adjusting the sleeve 15 to described first
The movement of half wheel 9 is slided, promotes described first to slide half wheel 9 and is moved to first fixed semi-wheel 8, so as to increase the steel band 12
Distance with the driving wheel contact point to the driving shaft 6；Second adjustment mechanism 3 adjusts the sleeve 15 to remote simultaneously
From the direction movement of the wheel of the described second movement half, the wheel of the second movement half is in the presence of the steel band 12 to away from described the
The direction movement of two fixed semi-wheels 10, so as to reduce the steel band 12 and the driven pulley contact point to the driven shaft 7 away from
From, and then the purpose accelerated, in order that the speed after adjustment is kept, and energy consumption is reduced as far as possible, then pass through first
The retaining mechanism 5 of retaining mechanism 4 and second is locked.When needing to slow down, first adjustment mechanism 2 is by adjusting the set
Cylinder 15 moves to the direction that half wheel 9 is slided away from described first, described first slide half wheel 9 in the presence of the steel band 12 to
Move so as to reduce the steel band 12 and the driving wheel contact point to the active in direction away from first fixed semi-wheel 8
The distance of axle 6；Second adjustment mechanism 3 adjusts the sleeve 15 and slides the half direction movement for taking turns 11 to described second simultaneously,
Promote described second to slide half wheel 11 to move to second fixed semi-wheel 10, so as to increase the steel band 12 and the driven pulley
Contact point to the driven shaft 7 distance, and then slow down purpose, pass through the first retaining mechanism 4 and the second retaining mechanism 5
Buncher is set to keep fixed fast ratio when needed.As a kind of preferred embodiment, in addition to adjustment motor 17, the adjustment
Motor 17 is connected by gear and the sleeve 15.So, it is only necessary to by adjusting motor 17 when gear ratio is changed
Be driven, when need to keep speed than it is constant when, just can be to the by the first retaining mechanism 4 and the second retaining mechanism 5
One adjustment mechanism 2 and the second adjustment mechanism 3 are locked, without keeping the fast ratio of buncher by adjusting motor 17,
Damaged so as to prevent from adjusting motor 17.
As a kind of preferred embodiment, first retaining mechanism 4 is the nut 18 that periphery is provided with tooth, the nut 18 and institute
Screw mandrel 14 is stated to be threadedly coupled；Second retaining mechanism 5 has identical structure with first retaining mechanism 4.Further
, first retaining mechanism 4 also stops motor 19 including screw lock, and the screw lock stops motor 19 and passed with the nut 18 by gear
Dynamic connection.In this way, the position of nut 18 can be adjusted by locking motor 19, so that can be to first by nut 18
Locked the position of adjustment mechanism 2.In this way, first adjustment mechanism 2 and the second adjustment mechanism 3 can be locked by nut 18
Tightly, present gear ratio can be kept constant when needed.
Fig. 2 and Fig. 3 are refer to, as a kind of preferred embodiment, first adjustment mechanism 2 is provided with the first throw-out collar 20, institute
The sleeve 15 that the first throw-out collar 20 is located on first adjustment mechanism 2 and described first is stated to slide between half wheel 9；Described
The side that one throw-out collar 20 slides half wheel 9 close to described first is provided with the first slot rolling 21, rollably pacifies in first slot rolling 21
Equipped with the first steel ball 22, first steel ball 22 is resisted against described first and slided on half wheel 9；Set on second adjustment mechanism 3
There is the second throw-out collar 23, the sleeve 15 that second throw-out collar 23 is located on second adjustment mechanism 3 slides with described second
Between half wheel 11；Second throw-out collar 23 is provided with the second slot rolling 24 close to the described second side for sliding half wheel 11, and described second
Second steel ball 25 is rollably installed, second steel ball 25 is resisted against described second and slided on half wheel 11 in slot rolling 24.Such as
This, can reduce first adjustment mechanism 2 and slide half wheel 9 with described first, second adjustment mechanism 3 is slided with described second
The frictional force of dynamic half wheel 11.
Construction, feature and action effect of the present utility model is described in detail according to the embodiment shown in schema above, with
Upper described is only preferred embodiment of the present utility model, but the utility model is to limit practical range shown in drawing, it is every according to
According to the made change of conception of the present utility model, or the equivalent embodiment of equivalent variations is revised as, still without departing from specification and figure
, all should be in the scope of protection of the utility model when showing covered spirit.
Claims (5)
1. a kind of buncher used for electric vehicle, it is characterised in that including transmission mechanism, the first adjustment mechanism, the second adjustment
Mechanism, the first retaining mechanism and the second retaining mechanism；
The transmission mechanism includes driving shaft, driven shaft, the first fixed semi-wheel, the first slip half wheel, the second fixed semi-wheel, second
Slide half wheel and steel band, first fixed semi-wheel are fixedly mounted on the driving shaft, described first, which slides half wheel, passes through flower
Key is slidably mounted on the driving shaft, and cooperatively forms driving wheel with first fixed semi-wheel；Described second fixes
Half wheel is fixedly mounted on the driven shaft, and described second slides half wheel is slidably mounted in the driven shaft by spline
On, and cooperatively form driven pulley with second fixed semi-wheel；The driving wheel is connected with the driven pulley by the steel band；
First adjustment mechanism is arranged on the driving shaft by clutch shaft bearing, and first adjustment mechanism is resisted against institute
State the first slip half and take turns the side away from first fixed semi-wheel；
First adjustment mechanism includes screw mandrel and sleeve, the screw mandrel fixed setting, and the screw mandrel is provided with hole, the screw mandrel
Pass through the clutch shaft bearing and the active axis connection；The screw mandrel coordinates with the sleeve, forms ball screw arrangement；It is described
The periphery of sleeve is provided with gear；The screw mandrel that first retaining mechanism is arranged on first adjustment mechanism is remote described
First slides the side of half wheel；
Second adjustment mechanism is arranged on the driven shaft by second bearing, and second adjustment mechanism is resisted against institute
State the second slip half and take turns the side away from second fixed semi-wheel；
Second adjustment mechanism is identical with the structure of first adjustment mechanism；Second retaining mechanism is arranged on described the
The screw mandrel on two adjustment mechanisms is away from the described second side for sliding half wheel.
2. buncher used for electric vehicle according to claim 1, it is characterised in that also include adjustment motor, it is described
Motor is adjusted to be connected by gear and the sleeve.
3. buncher used for electric vehicle according to claim 1, it is characterised in that first retaining mechanism is outer
Week is provided with the nut of tooth, and the nut is connected with the wire rod thread；Second retaining mechanism and first retaining mechanism
With identical structure.
4. buncher used for electric vehicle according to claim 3, it is characterised in that first retaining mechanism also wraps
Locking motor is included, the locking motor is connected with the nut by gear drive.
5. buncher used for electric vehicle according to claim 1, it is characterised in that set on first adjustment mechanism
There is the first throw-out collar, the sleeve that first throw-out collar is located on first adjustment mechanism slides with described first partly takes turns it
Between；First throw-out collar is provided with the first slot rolling close to the described first side for sliding half wheel, in first slot rolling rollably
First steel ball is installed, first steel ball is resisted against described first and slided on half wheel；
Second adjustment mechanism is provided with the second throw-out collar, and second throw-out collar is located at the set on second adjustment mechanism
Between cylinder and second slip half are taken turns；The side that second throw-out collar slides half wheel close to described second is provided with the second slot rolling,
Second steel ball is rollably installed, second steel ball is resisted against described second and slided on half wheel in second slot rolling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720769209.3U CN206830745U (en) | 2017-06-29 | 2017-06-29 | A kind of buncher used for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720769209.3U CN206830745U (en) | 2017-06-29 | 2017-06-29 | A kind of buncher used for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206830745U true CN206830745U (en) | 2018-01-02 |
Family
ID=60778258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720769209.3U Expired - Fee Related CN206830745U (en) | 2017-06-29 | 2017-06-29 | A kind of buncher used for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206830745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533707A (en) * | 2018-07-09 | 2018-09-14 | 湖南科技大学 | A kind of continuously variable transmission device and electric vehicle for electric vehicle |
-
2017
- 2017-06-29 CN CN201720769209.3U patent/CN206830745U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533707A (en) * | 2018-07-09 | 2018-09-14 | 湖南科技大学 | A kind of continuously variable transmission device and electric vehicle for electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20190629 |