CN216268485U - Sectional type vehicle axle - Google Patents
Sectional type vehicle axle Download PDFInfo
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- CN216268485U CN216268485U CN202123134553.0U CN202123134553U CN216268485U CN 216268485 U CN216268485 U CN 216268485U CN 202123134553 U CN202123134553 U CN 202123134553U CN 216268485 U CN216268485 U CN 216268485U
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- shaft portion
- vehicle axle
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Abstract
The utility model relates to a segmented vehicle axle comprising: the left shaft section, the right shaft section, the transmission piece and the transmission wheel are connected through splines, the transmission piece is sleeved on the middle shaft section and is in relative rotation connection with the middle shaft section, the transmission wheel is sleeved on the transmission piece, and an overrunning clutch is arranged between the transmission wheel and the transmission piece.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the field of bicycles, in particular to a sectional type vehicle axle.
[ background of the utility model ]
Bicycles are a traditional industry, have a history of over 100 years, and due to the problems of environmental protection and traffic, bicycles become popular transportation and fitness tools for residents of all countries in the world, particularly developed countries, and the center of gravity of the bicycle industry in the world is being changed from a traditional transportation tool instead of walking to sports, mountain land and leisure.
The tricycle is one of leisure type bicycle, and the rear axle of tricycle among the prior art is a whole axle that does not segment, and the drive wheel is installed near the mid point of axle, and the initiative chain produces great bending force through drive wheel pair rear axle, installs core subassembly and derailleur all integration simultaneously on same rear axle, not only leads to the size of core subassembly and derailleur great, causes the weight of whole car heavier moreover, is unfavorable for the development of vehicle lightweight.
Therefore, there is a need to provide a segmented vehicle axle that addresses the above technical problems.
[ Utility model ] content
To solve the above problems, the present invention provides a sectional type vehicle axle with simple structure and convenient installation.
In order to achieve the purpose, the utility model adopts the technical scheme that: a segmented vehicle axle, comprising: the transmission mechanism comprises a left shaft section, a middle shaft section, a right shaft section, a transmission part and a transmission wheel, wherein the left shaft section, the right shaft section and the middle shaft section are connected through splines, the transmission part is sleeved on the middle shaft section and forms relative rotation connection between the left shaft section and the middle shaft section, the transmission wheel is sleeved on the transmission part, and an overrunning clutch is arranged between the transmission wheel and the transmission part.
Preferably, a segmented vehicle axle of the present invention is further configured to: the left shaft section is supported by a left bearing seat, a left bearing is arranged between the left shaft section and the left bearing seat, the left bearing seat is fixedly connected with a vehicle frame or connected with a vehicle through vibration reduction, the right shaft section is supported by a right bearing seat, a right bearing is arranged between the right shaft section and the right bearing seat, and the right bearing seat is fixedly connected with the vehicle frame or connected with the vehicle frame through vibration reduction.
Preferably, a segmented vehicle axle of the present invention is further configured to: the left hub is installed to the free end of left side shaft section, right hub is installed to the free end of right side shaft section.
Preferably, a segmented vehicle axle of the present invention is further configured to: the left shaft section is provided with a first external spline, the right shaft section is provided with a second external spline, the left end of the middle shaft section is provided with a first internal spline matched with the first external spline, and the right end of the middle shaft section is provided with a second internal spline matched with the second external spline.
Preferably, a segmented vehicle axle of the present invention is further configured to: left side shaft portion and right shaft portion are the step axle, left side shaft portion includes first shaft portion, second shaft portion and sets up the first shaft shoulder between first shaft portion and second shaft portion, the diameter of second shaft portion is less than the diameter of first shaft portion, right side shaft portion includes third shaft portion, fourth shaft portion and sets up the second shaft shoulder between third shaft portion and fourth shaft portion, the diameter of fourth shaft portion is less than the diameter of third shaft portion.
Preferably, a segmented vehicle axle of the present invention is further configured to: and one of the left shaft section and the right shaft section is provided with a core assembly, the other one is provided with a speed changer, the core assembly and the speed changer are axially positioned through a shaft shoulder, and the transmission part is simultaneously connected with a power output part of the core assembly and a power input part of the speed changer.
Preferably, a segmented vehicle axle of the present invention is further configured to: the movement assembly comprises a motor and a planetary reducer.
Preferably, a segmented vehicle axle of the present invention is further configured to: the driving wheel is a chain wheel.
Compared with the prior art, the utility model has the following beneficial effects: the utility model improves the traditional whole vehicle axle into a three-section vehicle axle, and the left axle section and the right axle section are both arranged in a step axle, thereby not only reducing the sizes of the core assembly and the transmission, but also ensuring the vehicle axle to have enough structural strength; in addition, the end surfaces of the two free tail ends of the middle shaft section can play a role in axial positioning, so that axial positioning pieces can be reduced, and the structure is simplified.
[ description of the drawings ]
FIG. 1 is a schematic view of a segmented vehicle axle construction according to the present invention.
FIG. 2 is a cross-sectional structural schematic view of a segmented vehicle axle of the present invention.
FIG. 3 is an exploded view of a segmented vehicle axle according to the present invention.
In fig. 1 to 3: 1. left shaft section, 10, first shaft section, 11, second shaft section, 110, first external spline, 111, movement assembly, 1110, motor, 1111, planetary reducer, 12, first shoulder, 2, middle shaft section, 20, terminal surface, 21, first internal spline, 22, second internal spline, 3, right shaft section, 30, third shaft section, 31, fourth shaft section, 310, second external spline, 311, transmission, 32, second shoulder, 4, transmission piece, 5, transmission wheel, 6, left bearing seat, 60 left bearing, 7, left wheel hub, 8, right bearing seat, 80, right bearing, 9, right wheel hub.
[ detailed description ] embodiments
A segmented vehicle axle according to the utility model is described in further detail below with reference to specific embodiments.
Referring to fig. 1-3, a segmented vehicle axle, comprising: left side shaft section 1, middle shaft section 2, right shaft section 3, driving medium 4 and drive wheel 5, all through splined connection between left side shaft section 1, right shaft section 3 and the middle shaft section 2, two free terminal surfaces 20 of middle shaft section 2 can play the axial positioning effect to reducible axial positioning piece simplifies the structure. The left shaft section 1 comprises a first shaft section 10, a second shaft section 11 and a first shaft shoulder 12 arranged between the first shaft section 10 and the second shaft section 11, the diameter of the second shaft section 11 is smaller than that of the first shaft section 10, the right shaft section 3 comprises a third shaft section 30, a fourth shaft section 31 and a second shaft shoulder 32 arranged between the third shaft section 30 and the fourth shaft section 31, the diameter of the fourth shaft section 31 is smaller than that of the third shaft section 30 (namely, the left shaft section 1 and the right shaft section 3 are both stepped shaft structures), in the present embodiment, the second shaft section 11 of the left shaft section 1 is provided with a first external spline 110, the fourth shaft section 31 of the right shaft section 3 is provided with a second external spline 310, the left end of the middle shaft section 2 is provided with a first internal spline 21 matched with the first external spline 110, the right end of the middle shaft section 2 is provided with a second internal spline 22 which is matched with the second external spline 310.
The transmission member 4 is arranged in a hollow tubular shape, the transmission member 4 is sleeved on the intermediate shaft section 2 and is connected with the intermediate shaft section 2 through a bearing to realize relative rotation, the transmission wheel 5 is sleeved on the transmission member 4, an overrunning clutch (not shown) is arranged between the transmission wheel 5 and the transmission member 4, and in the embodiment, the transmission wheel 5 is a chain wheel. Left side shaft section 1 is supported by left bearing frame 6, be equipped with left bearing 60 between first shaft section 10 of left side shaft section 1 and the left bearing frame 6, left side bearing frame 6 is connected with frame fixed connection or damping, left wheel hub 7 is installed to the free end of first shaft section 10 of left side shaft section 1, right side shaft section 3 is supported by right bearing frame 8, be equipped with right bearing 80 between third shaft section 30 of right side shaft section 3 and the right bearing frame 8, right side bearing frame 8 is connected with frame fixed connection or damping, right wheel hub 9 is installed to the free end of third shaft section 30 of right side shaft section 3. In this embodiment, install core assembly 111 on the second shaft section 11 of left shaft section 1, core assembly 111 includes motor 1110 and planetary reducer 1111, install derailleur 311 on the fourth shaft section 31 of right shaft section 3, and core assembly 111 carries out axial positioning through first shaft shoulder 12, derailleur 311 carries out axial positioning through second shaft shoulder 32, so both can reduce core assembly 111 and derailleur 311's overall size, can guarantee the intensity of left shaft section 1 and right shaft section 3 installation bearing frame and wheel hub position again, sets up the shaft shoulder and plays axial positioning's effect again. The transmission piece 4 is connected with the power output piece of the movement component 111 and the power input piece of the speed changer 311 at the same time, the driving chain is symmetrically transferred to the left shaft section 1 and the right shaft section 3 through the bending force of the transmission wheel 5 to the vehicle shaft, and the middle shaft section 2 only bears small bending force, so that the rigidity of the rear wheel transmission system is improved. Of course, in other embodiments, the movement assembly 111 may also be mounted on the fourth shaft section 31 of the right shaft section 3, and the transmission 311 may also be mounted on the second shaft section 11 of the left shaft section 1 (i.e. the mounting positions of the movement assembly 111 and the transmission 311 are interchanged), so as to implement the present invention as well.
The working principle of the sectional type vehicle shaft is as follows: the initiative chain drives drive wheel 5 and rotates, drive wheel 5 drives driving medium 4 and rotates, because driving medium 4 links to each other with the power input piece of derailleur 311, consequently transmit power for derailleur 311, derailleur 311 transmits power for right side shaft section 3 again, right side shaft section 3 drives right wheel hub 9 and rotates, right side shaft section 3 drives middle shaft section 2 and left shaft section 1 through the spline and rotates, left side shaft section 1 drives left wheel hub 7 synchronous rotation, thereby the drive vehicle moves ahead, because driving medium 4 links to each other with the power take off spare of core assembly 111, consequently when needs electric power assistance, core assembly 111 can transmit power for driving medium 4 in order to provide its electric power assistance.
In summary, the present invention improves the conventional whole vehicle axle into a three-section vehicle axle, and the left axle section and the right axle section are both arranged in a step axle, so as to reduce the size of the engine assembly and the transmission, and ensure that the vehicle axle has sufficient structural strength.
The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be used, not restrictive; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.
Claims (8)
1. A segmented vehicle axle, comprising: the method comprises the following steps: the transmission mechanism comprises a left shaft section, a middle shaft section, a right shaft section, a transmission part and a transmission wheel, wherein the left shaft section, the right shaft section and the middle shaft section are connected through splines, the transmission part is sleeved on the middle shaft section and forms relative rotation connection between the left shaft section and the middle shaft section, the transmission wheel is sleeved on the transmission part, and an overrunning clutch is arranged between the transmission wheel and the transmission part.
2. A segmented vehicle axle as claimed in claim 1, wherein: the left shaft section is supported by a left bearing seat, a left bearing is arranged between the left shaft section and the left bearing seat, the left bearing seat is fixedly connected with a vehicle frame or connected with a vehicle through vibration reduction, the right shaft section is supported by a right bearing seat, a right bearing is arranged between the right shaft section and the right bearing seat, and the right bearing seat is fixedly connected with the vehicle frame or connected with the vehicle frame through vibration reduction.
3. A segmented vehicle axle as claimed in claim 1, wherein: the left hub is installed to the free end of left side shaft section, right hub is installed to the free end of right side shaft section.
4. A segmented vehicle axle as claimed in claim 1, wherein: the left shaft section is provided with a first external spline, the right shaft section is provided with a second external spline, the left end of the middle shaft section is provided with a first internal spline matched with the first external spline, and the right end of the middle shaft section is provided with a second internal spline matched with the second external spline.
5. A segmented vehicle axle as claimed in claim 1, wherein: left side shaft portion and right shaft portion are the step axle, left side shaft portion includes first shaft portion, second shaft portion and sets up the first shaft shoulder between first shaft portion and second shaft portion, the diameter of second shaft portion is less than the diameter of first shaft portion, right side shaft portion includes third shaft portion, fourth shaft portion and sets up the second shaft shoulder between third shaft portion and fourth shaft portion, the diameter of fourth shaft portion is less than the diameter of third shaft portion.
6. A segmented vehicle axle as claimed in claim 1, wherein: and one of the left shaft section and the right shaft section is provided with a core assembly, the other one is provided with a speed changer, the core assembly and the speed changer are axially positioned through a shaft shoulder, and the transmission part is simultaneously connected with a power output part of the core assembly and a power input part of the speed changer.
7. The segmented vehicle axle of claim 6 wherein: the movement assembly comprises a motor and a planetary reducer.
8. A segmented vehicle axle as claimed in claim 1, wherein: the driving wheel is a chain wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123134553.0U CN216268485U (en) | 2021-12-14 | 2021-12-14 | Sectional type vehicle axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123134553.0U CN216268485U (en) | 2021-12-14 | 2021-12-14 | Sectional type vehicle axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216268485U true CN216268485U (en) | 2022-04-12 |
Family
ID=81056370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123134553.0U Active CN216268485U (en) | 2021-12-14 | 2021-12-14 | Sectional type vehicle axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216268485U (en) |
-
2021
- 2021-12-14 CN CN202123134553.0U patent/CN216268485U/en active Active
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