CN206017688U - Force mechanism in self shifter axle - Google Patents
Force mechanism in self shifter axle Download PDFInfo
- Publication number
- CN206017688U CN206017688U CN201620921628.XU CN201620921628U CN206017688U CN 206017688 U CN206017688 U CN 206017688U CN 201620921628 U CN201620921628 U CN 201620921628U CN 206017688 U CN206017688 U CN 206017688U
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- Prior art keywords
- bearing
- gear
- drive shaft
- shaft tube
- housing
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Abstract
The utility model discloses force mechanism in a kind of self shifter axle, including housing, and the bottom gear assembly, top gear assembly, bearing location-plate, drive shaft tube, pushing disc assembly, gear shift operating rod, stress positioning disk and the gearshift that are arranged in housing execute gear；The outer peripheral face of stress positioning disk is circumferentially flexibly connected with drive shaft tube, but axially opposing fixation；The axial centre of stress positioning disk is provided with inner via hole, is provided with the female thread being threadedly coupled with the middle part of gear shift operating rod in inner via hole；Bearing location-plate is fixed on housing, and the rearward end of clamp stress positioning disk limits stress positioning disk and circumferentially rotates；Gearshift is executed gear and is bearing on bearing location-plate and housing by bearing；The rear portion of gear shift operating rod is axially flexibly connected with gearshift execution gear is rotated, but circumferentially opposed fixation.Stress positioning disk of the present utility model bears axial thrust when gear shift operating rod is shifted gears, and improves the stress of housing, effectively increases the stability and reliability of product.
Description
Technical field
This utility model is related to force mechanism in a kind of self shifter axle.
Background technology
The moment of torsion of the electric motor car without variator can only change in very limited scope, and will not be towards with now operating mode
Optimum change in torque, so in the case where electric motor car torque range is exceeded or fallen below to torque demand, without variator
Electric motor car will show his inferior position, and install a variator additional and can just change this state, it is possible to according to difference
The difference of the moment of torsion needed for operating mode is being linked into suitable gear, so that the performance of electric automobile is increased dramatically, Er Qieke
To simplify the cooling system of motor.Therefore, two shift transmissions have become the indispensable part of electric motor car.
At present, the housing of the gearshift of two special shift transmissions of electric automobile is bearing in drive shaft tube by bearing
On, pushing force during gearshift can be acted directly on the inner ring of the bearing of housing and connection housing, and is reversely made by housing
On the outer ring of the bearing for being used in connection housing, the inner ring and outer ring that cause the bearing for connecting housing form dislocation, combine housing
Often there is oil leakage phenomenon in face, and declines bearing life.
Utility model content
The purpose of this utility model is to provide force mechanism in a kind of self shifter axle, and the pushing force of gearshift is being driven
Central siphon inner sealing, it is to avoid oil leakage phenomenon occur, extends bearing life.
The technical scheme for realizing this utility model purpose is：Force mechanism in a kind of self shifter axle, including housing, and
It is arranged on bottom gear assembly in housing, top gear assembly, bearing location-plate, drive shaft tube, pushes disc assembly, shift control
Bar, stress positioning disk and gearshift execute gear；The housing into rotation is bearing on drive shaft tube；The pushing disc assembly and driving
Central siphon is axially flexibly connected, but circumferentially opposed fixation；The bottom gear assembly and top gear assembly are set on drive shaft tube,
And it is located at the both sides in front and back for pushing disc assembly respectively；The center for pushing disc assembly and gear shift operating rod and stress positioning disk
It is arranged in the endoporus of drive shaft tube；The front portion of the gear shift operating rod is relatively fixed with the central axial of disc assembly is pushed,
But circumferential flexible connection；The outer peripheral face of the stress positioning disk is circumferentially flexibly connected with drive shaft tube, but axially opposing fixation；Institute
The axial centre for stating stress positioning disk is provided with inner via hole, is provided with the interior spiral shell being threadedly coupled with the middle part of gear shift operating rod in inner via hole
Stricture of vagina；The bearing location-plate is fixed on housing, and the rearward end of clamp stress positioning disk limits stress positioning disk and circumferentially rotates；
The gearshift is executed gear and is bearing on bearing location-plate and housing by bearing；The rear portion of the gear shift operating rod and Rotation With Changing
Gear executes gear and is axially flexibly connected, but circumferentially opposed fixation.
Force mechanism in self shifter axle, also includes fore bearing and rear bearing；The housing includes setting successively from front to back
Procapsid, middle housing and the back casing that puts；The procapsid is bearing in the front portion of drive shaft tube by fore bearing；The middle housing
The rear portion that drive shaft tube is bearing in by rear bearing；The bearing location-plate is fixed on middle housing；The gearshift executes gear
It is bearing on bearing location-plate and back casing by bearing.
The front portion of the gear shift operating rod pushes disc assembly by two bearing connections.
The external screw thread on female thread and matched gear shift operating rod in the inner via hole of the stress positioning disk is equal
For T-shaped screw thread.
The rearward end of the gear shift operating rod executes gear by ball keyway or flat key groove with gearshift and is connected.
The fore bearing and rear bearing are zanjon bearing；The rear end face of the front end face of the fore bearing and rear bearing leads to
Cross collar and limit axial location；Between the fore bearing and bottom gear assembly, and it is all provided between bearing and top gear assembly afterwards
It is equipped with stemmed washer.
Preferred technical scheme：Before and after's two panels back-up ring is installed in the endoporus of the drive shaft tube rear end；The stress positioning
The outer peripheral face of disk is provided with circumferential convex shoulder, and convex shoulder is located between two panels back-up ring, and uniform cloth between convex shoulder and two panels back-up ring
It is equipped with multiple first steel balls or the first needle roller.
Two panels back-up ring in the endoporus of the drive shaft tube limits axial location by collar.
Another kind of preferred technical scheme：It has been evenly distributed with the position of rear bearing fit on the drive shaft tube logical
Hole, is placed with the second steel ball or the second needle roller in through hole；The outer peripheral face of the stress positioning disk is provided with and semicircle ball groove, the
Two steel balls or the second needle roller are rolled in semicircle ball groove.
Keel is also placed with the through hole of the drive shaft tube；The keel be located at rear bearing and the second steel ball or
Between second needle roller.
Above-mentioned technical proposal is employed, this utility model has following beneficial effect：(1) stress of the present utility model is fixed
Position disk bears axial thrust when gear shift operating rod is shifted gears, and axial thrust gear power when making gearshift is dissolved on drive shaft tube,
Axial thrust during gearshift will not be spread to housing, improve the stress of housing, effectively increase product stability and
Reliability.
(2) stress positioning disk of the present utility model is threadedly coupled by T-shaped with gear shift operating rod, makes gear shift operating rod certainly
Produce axial displacement when body rotates, and axial thrust when gear shift operating rod is shifted gears can be born, simple structure, stable, can
Lean on.
(3) rearward end of gear shift operating rod of the present utility model executes gear by ball keyway or flat key groove with gearshift and connects
Connect, make gear shift operating rod only follow gearshift to execute gear rotation, without producing axial displacement.
(4) rear end face of the front end face of fore bearing of the present utility model and rear bearing limits axial location by collar,
The axial thrust acted on during gearshift on fore bearing and rear bearing is stopped by collar, without spreading to housing, mitigate significantly
The power that casing joint surface bears.
(5) convex shoulder on the outer peripheral face of stress positioning disk of the present utility model, the first steel ball or the first needle roller and two
Piece back-up ring defines two plain thrust bearings, effectively prevents stress positioning disk from moving axially, and turns stress positioning disk is limited
The high speed of drive shaft tube is not affected to rotate in the case of dynamic.
(6) this utility model has been evenly distributed through hole with the position of rear bearing fit on drive shaft tube, puts in through hole
Be equipped with the second steel ball or the second needle roller, be provided with the outer peripheral face of stress positioning disk and semicircle ball groove, make the second steel ball or
Second needle roller is rolled in semicircle ball groove, is equally prevented from the axial movement of stress positioning disk, and is turned stress positioning disk is limited
The high speed of drive shaft tube is not affected to rotate in the case of dynamic；Place between rear bearing and the second steel ball or the second needle roller padded
Block, ensure that the rolling gap of the second steel ball or the second needle roller in semicircle ball groove.
Description of the drawings
In order that content of the present utility model is easier to be clearly understood, below according to specific embodiment and with reference to attached
Figure, is described in further detail to this utility model, wherein
Fig. 1 is the structural representation of embodiment of the present utility model 1.
Fig. 2 is the structural representation of embodiment of the present utility model 2.
Being numbered in accompanying drawing：
Fore bearing 1, procapsid 2, bottom gear assembly 3, top gear assembly 4, middle housing 5, rear bearing 6, bearing location-plate 7,
Drive shaft tube 8, keel 20, push disc assembly 10, gear shift operating rod 11, back-up ring 12, the first steel ball 13, stress positioning disk 14,
Back casing 15, gearshift execute gear 16, ball keyway 17, collar 18, the second steel ball 19, keel 20.
Specific embodiment
(embodiment 1)
See Fig. 1, force mechanism in the self shifter axle of the present embodiment, including housing, and the front axle being arranged in housing
Hold 1, bottom gear assembly 3, top gear assembly 4, rear bearing 6, bearing location-plate 7, drive shaft tube 8, pushing disc assembly 10, gearshift behaviour
Vertical pole 11, back-up ring 12, stress positioning disk 14 and gearshift execute gear 16.
Housing includes procapsid 2, middle housing 5 and the back casing 15 for setting gradually from front to back.Procapsid 2 passes through fore bearing
1 front portion for being bearing in drive shaft tube 8.Middle housing 5 is bearing in the rear portion of drive shaft tube 8 by rear bearing 6.Fore bearing 1 and rear axle
Hold 6 and be zanjon bearing.The rear end face of the front end face of fore bearing 1 and rear bearing 6 limits axial location by collar 18.Front axle
Hold between 1 and bottom gear assembly 3, and stemmed washer 9 is provided between bearing 6 and top gear assembly 4 afterwards.Push disc assembly 10
Axially it is flexibly connected with drive shaft tube 8, but circumferentially opposed fixation.Bottom gear assembly 3 and top gear assembly 4 are set in drive shaft
On pipe 8, and it is located at the both sides in front and back for pushing disc assembly 10 respectively.Push the center of disc assembly 10 and gear shift operating rod 11 and receive
Power positioning disk 14 is arranged in the endoporus of drive shaft tube 8.
The front portion of gear shift operating rod 11 is relatively fixed with the central axial of disc assembly 10 is pushed, but is axially flexibly connected.Tool
Body is：The front portion of gear shift operating rod 11 pushes the center of disc assembly 10 by two bearing connections, in the work of gear shift operating rod 11
Can be moved reciprocatingly in the axial direction of drive shaft tube 8 with lower pushing disc assembly 10, but gear shift operating rod 11 does not follow pushing
Disc assembly 10 and drive shaft tube 8 rotate.
The outer peripheral face of stress positioning disk 14 is circumferential with drive shaft tube 8 to be flexibly connected, but axially opposing fixation.Specially：Drive
Before and after's two panels back-up ring 12 is installed in 8 rear end endoporus of moving axis pipe.The outer peripheral face of stress positioning disk 14 is provided with circumferential convex shoulder, convex
Shoulder is located between two panels back-up ring 12, and has been evenly arranged multiple first steel balls 13 or first between convex shoulder and two panels back-up ring 12
Needle roller.Two panels back-up ring 12 in the endoporus of drive shaft tube 8 limits axial location by collar 18.
The axial centre of stress positioning disk 14 is provided with inner via hole, is provided with the middle part screw thread with gear shift operating rod 11 in inner via hole
The female thread of connection.The outer spiral shell on female thread and matched gear shift operating rod 11 in the inner via hole of stress positioning disk 14
Stricture of vagina is T-shaped screw thread.Bearing location-plate 7 is fixed on middle housing 5, and the rearward end of clamp stress positioning disk 14 limits stress and determines
Position disk 14 is circumferentially rotated.Gearshift is executed gear 16 and is bearing on bearing location-plate 7 and housing by bearing.
The rear portion of gear shift operating rod 11 is axially flexibly connected with gearshift execution gear 16 is rotated, but circumferentially opposed fixation.Tool
Body is：The rearward end of gear shift operating rod 11 executes gear 16 by ball keyway 17 or flat key groove with gearshift and is connected, and makes shift control
Bar 11 only follows gearshift execution gear 16 to rotate, without producing axial displacement.
In the self shifter axle of the present embodiment, the operation principle of force mechanism is：Bottom gear assembly 3 and top gear assembly 4 exist
Without only dallying on input shaft drive shaft tube 8 under external force effect, without energy transmission.Bottom gear assembly 3 and top gear
Assembly 4 is connected to the both sides in front and back for pushing disc assembly 10 by many latches, so as to follow 8 synchronous axial system of drive shaft tube,
Push disc assembly 10 in the presence of gear shift operating rod 11 to move reciprocatingly in the axial direction of drive shaft tube 8, can basis
Driving requirements are selected to bottom gear assembly 3 or are compressed to top gear assembly 4, complete the gearshift of velocity variations.
Gearshift executes gear 16 and drives gear shift operating rod 11 to rotate by ball keyway 17 or flat key groove, due to stress positioning disk
14 are circumferentially rotated by the restriction of bearing location-plate 7, and in the presence of T-shaped screw thread, gear shift operating rod 11 can be pushed away according to shifting commands forward
Force down speed gear assembly 3 or push backwards against top gear assembly 4, so as to realize purpose of shifting gears.
In the self shifter axle of the present embodiment, the action and reaction power of the thrust of force mechanism all acts on drive shaft
On pipe 8.
(embodiment 2)
See Fig. 2, the present embodiment is substantially the same manner as Example 1, and difference is：Coordinate with rear bearing 6 on drive shaft tube 8
Position be evenly distributed through hole, be placed with the second steel ball 19 or the second needle roller in through hole.The periphery of stress positioning disk 14
Face is provided with and semicircle ball groove, and the second steel ball 19 or the second needle roller are rolled in semicircle ball groove.In the through hole of drive shaft tube 8 also
It is placed with keel 20.Keel 20 is located between rear bearing 6 and the second steel ball 19 or the second needle roller.
Particular embodiments described above, has carried out entering one to the purpose of this utility model, technical scheme and beneficial effect
Step is described in detail, be should be understood that the foregoing is only specific embodiment of the utility model, be not limited to
Utility model, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements that is done etc. all should be wrapped
It is contained within protection domain of the present utility model.
Claims (10)
1. force mechanism in self shifter axle, it is characterised in that：Including housing, and the bottom gear assembly being arranged in housing
(3), top gear assembly (4), bearing location-plate (7), drive shaft tube (8), push disc assembly (10), gear shift operating rod (11), receive
Power positioning disk (14) and gearshift execute gear (16)；The housing into rotation is bearing on drive shaft tube (8)；The pushing disc assembly
(10) axially it is flexibly connected with drive shaft tube (8), but circumferentially opposed fixation；Bottom gear assembly (3) and top gear assembly (4)
It is set on drive shaft tube (8), and is located at the both sides in front and back for pushing disc assembly (10) respectively；Pushing disc assembly (10)
Center and gear shift operating rod (11) and stress positioning disk (14) are arranged in the endoporus of drive shaft tube (8)；The gearshift behaviour
The front portion of vertical pole (11) and central axial being relatively fixed of pushing disc assembly (10), but circumferential flexible connection；The stress positioning
The outer peripheral face of disk (14) is circumferentially flexibly connected with drive shaft tube (8), but axially opposing fixation；The axle of stress positioning disk (14)
Inner via hole is provided with to center, the female thread being threadedly coupled with the middle part of gear shift operating rod (11) in inner via hole, is provided with；The bearing
Location-plate (7) is fixed on housing, and the rearward end of clamp stress positioning disk (14) limits stress positioning disk (14) and circumferentially rotates；
The gearshift is executed gear (16) and is bearing on bearing location-plate (7) and housing by bearing；Gear shift operating rod (11)
Rear portion is axially flexibly connected with gearshift execution gear (16) is rotated, but circumferentially opposed fixation.
2. force mechanism in self shifter axle according to claim 1, it is characterised in that：Also include fore bearing (1) and after
Bearing (6)；The housing includes procapsid (2), middle housing (5) and the back casing (15) for setting gradually from front to back；Before described
Housing (2) is bearing in the front portion of drive shaft tube (8) by fore bearing (1)；Described middle housing (5) are bearing in by rear bearing (6)
The rear portion of drive shaft tube (8)；Bearing location-plate (7) are fixed on middle housing (5)；The gearshift executes gear (16) and passes through
Bearing is bearing on bearing location-plate (7) and back casing (15).
3. force mechanism in self shifter axle according to claim 1, it is characterised in that：Gear shift operating rod (11)
Front portion pushes disc assembly (10) by two bearings connections.
4. force mechanism in self shifter axle according to claim 1, it is characterised in that：Stress positioning disk (14)
The external screw thread on female thread and matched gear shift operating rod (11) in inner via hole is T-shaped screw thread.
5. force mechanism in self shifter axle according to claim 1, it is characterised in that：Gear shift operating rod (11)
Rearward end executes gear (16) by ball keyway (17) or flat key groove with gearshift and is connected.
6. force mechanism in self shifter axle according to claim 2, it is characterised in that：Fore bearing (1) and rear axle
Hold (6) and be zanjon bearing；The rear end face of the front end face of fore bearing (1) and rear bearing (6) is limited by collar (18)
Axial location；Between fore bearing (1) and bottom gear assembly (3) and rear equal between bearing (6) and top gear assembly (4)
It is provided with stemmed washer (9).
7. force mechanism in the self shifter axle according to one of claim 1 to 6, it is characterised in that：The drive shaft tube
(8) before and after's two panels back-up ring (12) is installed in the endoporus of rear end；The outer peripheral face of stress positioning disk (14) is provided with circumferential convex
Shoulder, convex shoulder are located between two panels back-up ring (12), and have been evenly arranged multiple first steel balls between convex shoulder and two panels back-up ring (12)
Or the first needle roller (13).
8. force mechanism in self shifter axle according to claim 7, it is characterised in that：Drive shaft tube (8) interior
Two panels back-up ring (12) in hole limits axial location by collar (18).
9. force mechanism in the self shifter axle according to one of claim 1 to 6, it is characterised in that：The drive shaft tube
(8) position coordinated with rear bearing (6) on has been evenly distributed through hole, is placed with the second steel ball (19) or the second rolling in through hole
Pin；The outer peripheral face of stress positioning disk (14) is provided with and semicircle ball groove, and the second steel ball (19) or the second needle roller are in semicircle
Roll in ball groove.
10. force mechanism in self shifter axle according to claim 9, it is characterised in that：Drive shaft tube (8) logical
Keel (20) is also placed with hole；Described keel (20) are located at rear bearing (6) with the second steel ball (19) or the second needle roller
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620921628.XU CN206017688U (en) | 2016-08-22 | 2016-08-22 | Force mechanism in self shifter axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620921628.XU CN206017688U (en) | 2016-08-22 | 2016-08-22 | Force mechanism in self shifter axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017688U true CN206017688U (en) | 2017-03-15 |
Family
ID=58250403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620921628.XU Expired - Fee Related CN206017688U (en) | 2016-08-22 | 2016-08-22 | Force mechanism in self shifter axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206017688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090200A (en) * | 2016-08-22 | 2016-11-09 | 江苏汉凌合能汽车动力系统有限公司 | Force mechanism in fluid drive axle |
-
2016
- 2016-08-22 CN CN201620921628.XU patent/CN206017688U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090200A (en) * | 2016-08-22 | 2016-11-09 | 江苏汉凌合能汽车动力系统有限公司 | Force mechanism in fluid drive axle |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20210822 |