CN205791893U - The fixing device of a kind of motor shaft and balance car - Google Patents
The fixing device of a kind of motor shaft and balance car Download PDFInfo
- Publication number
- CN205791893U CN205791893U CN201620614819.1U CN201620614819U CN205791893U CN 205791893 U CN205791893 U CN 205791893U CN 201620614819 U CN201620614819 U CN 201620614819U CN 205791893 U CN205791893 U CN 205791893U
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- China
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- motor shaft
- adaptor
- fixing device
- joint face
- fixed part
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Abstract
The utility model discloses fixing device and the balance car of a kind of motor shaft, the fixing device of described motor shaft includes that bracing frame and adaptor, support frame as described above and adaptor are fixing and connects；Support frame as described above has the first joint face, described adaptor has the second joint face, and the matching form of the shape of described first joint face and described second joint face closes, when making support frame as described above and the fixing connection of described adaptor, the first joint face of support frame as described above is bonded to each other with the second joint face of described adaptor；Described adaptor has motor shaft fixed part, and described motor shaft fixed part, for being connected fixing to motor shaft and adaptor, makes not produce relative displacement between motor shaft and adaptor after fixing connection.The fixing device of the motor shaft in this utility model can reduce the installation operation easier of motor shaft, and adaptor can effectively disperse motor shaft to act on the active force on bracing frame, makes bracing frame more solid and reliable.
Description
Technical field
This utility model relates to installation and the technique for fixing of motor shaft, particularly to the fixing device peace of a kind of motor shaft
Weighing apparatus car.
Background technology
The installation of existing motor shaft and fixed form mainly have two kinds, and one is to arrange external screw thread on motor shaft,
Providing holes on bracing frame, by motor shaft through the hole of bracing frame, fixes the mode of motor shaft and bracing frame with nut.This side
The shortcoming of formula is vehicle frame processing difficulties, and nut installs inconvenience, the bad control of nut pre-fastening moment, and nut easily loosens after installing
Etc. problem.
As it is shown in figure 1, the installation of another motor shaft and fixed form are that to arrange circular arc on bracing frame 1 ' recessed
Groove, puts in the circular groove on bracing frame by motor shaft 3 ', arranges flat mouth, with a compact heap 4 ' on motor shaft simultaneously
Push down the mode of the flat mouth of motor shaft.But the shortcoming of this mounting means is, bracing frame local stress mistake after nut pretension, can be caused
Big and destroy bracing frame.The stress envelope within bracing frame as shown in Figure 2, visible local stress within bracing frame in figure
It is the biggest.
Utility model content
For solving the technical problem of existing existence, this utility model provides one to be easily worked, it is simple to installs, and can keep away
Exempt from the fixing device that the motor shaft of the local stress problems of too within bracing frame occurs, and use the fixing of described motor shaft
The balance car of device.
For solving above-mentioned technical problem, this utility model employing following technical proposals:
The fixing device of a kind of motor shaft, the fixing device of described motor shaft includes bracing frame and adaptor, described support
Frame and the fixing connection of adaptor；
Support frame as described above has the first joint face, and described adaptor has the second joint face, and described first joint face
The matching form of shape and described second joint face closes, when making support frame as described above and the fixing connection of described adaptor, and described support
First joint face of frame is bonded to each other with the second joint face of described adaptor；
Described adaptor has motor shaft fixed part, and described motor shaft fixed part is for connecting fixing to motor shaft and adaptor
Connect, make not produce relative displacement between motor shaft and adaptor after fixing connection.
The effect of described motor shaft fixed part is to make neither to produce between motor shaft and adaptor to circumferentially rotate, and does not produces
Life moves axially.
Preferably, described motor shaft fixed part has the first groove, and described first groove is circular groove；
The internal diameter of described first groove is identical with the external diameter of described motor shaft, enables motor shaft to be just positioned over described
In one groove；
The fixing device of described motor shaft also includes motor shaft compact heap；
Described motor shaft is fixed in described first groove by described motor shaft compact heap, makes motor shaft and adaptor
Between neither produce circumferentially rotate, the most do not produce and move axially.
Preferably, described motor shaft has flat mouth, and described motor shaft compact heap has second adapted with described flat mouth
Groove, the second groove on described motor shaft compact heap is for the flat mouth of described motor shaft of fitting, and limits described motor shaft
Displacement range；After the flat mouth laminating of the second groove on described motor shaft compact heap with described motor shaft compresses, described motor
Relative displacement is not produced between axle and described motor shaft compact heap.
Preferably, support frame as described above, adaptor and motor shaft compact heap pass sequentially through the fixing connection of screw, and described screw depends on
Secondary through described motor shaft compact heap, bracing frame and adaptor.
Preferably, described motor shaft fixed part has a through hole, and described through-hole inner surface is provided with internal spline；Described motor
Axle outer surface is provided with the external splines adapted with described internal spline；
When described motor shaft inserts the through hole of described motor shaft fixed part, the internal spline of described through-hole inner surface is with described
The external splines of motor shaft outer surface is mutually clamped, and makes to be connected fastening between described motor shaft with described motor shaft fixed part, makes electricity
Can not relatively rotate between arbor and adaptor.
The fixing device of motor shaft also includes that the first locating part, described first locating part are used for limiting adaptor and motor shaft
Relative position, make adaptor can not slide axially on motor shaft.
Preferably, described first locating part includes the first check ring and the second check ring；
Described first check ring be positioned at motor shaft and motor shaft fixed part one is connected end, described second check ring
Another being positioned at motor shaft and motor shaft fixed part is connected end.
Described first check ring and the second check ring are for limiting adaptor and motor shaft in the axial phase of motor shaft
To position, make adaptor can not slide axially on motor shaft.
Preferably, the tangent plane of described adaptor is trapezium structure.
The tangent plane of described adaptor can also be the structure that triangle, sector etc. are up big and down small, makes adaptor and bracing frame
There is bigger contact area.
This utility model also provides for a kind of wheel hub motor, and described wheel hub motor comprises the fixing device of above-mentioned motor shaft, will
The fixing device of described motor shaft is applied in current wheel hub motor, can effectively solve the motor shaft in current wheel hub motor solid
Fixed problem.
This utility model also provides for a kind of balance car, and described balance car comprises the fixing device of above-mentioned motor shaft, described solid
Determining device and be used for fixing the motor shaft of balance car, support frame as described above is the vehicle frame of balance car, owing to described adaptor is positioned at vehicle frame
And between motor shaft, when the contact area rate motor shaft between adaptor and vehicle frame is directly fixed on car motor shaft and vehicle frame it
Between contact area much larger, can effectively disperse the stress making frame interior produce due to the effect of motor shaft, thus effectively
Solve the problem that in prior art, vehicle frame is easily damaged owing to stress is excessive, even ruptures.
This utility model compared with prior art has the advantages that
Described adaptor between support frame as described above and motor shaft, contacting between described adaptor and support frame as described above
When area ratio motor shaft is directly fixed on support frame as described above, the contact area between motor shaft and support frame as described above is much larger, this
The fixed structure planting motor shaft can effectively disperse to make the internal stress produced of support frame as described above due to the effect of motor shaft, thus
Effect solves the problem that in prior art, bracing frame is easily damaged owing to stress is excessive, even ruptures.
Accompanying drawing explanation
Fig. 1 is background technology overall structure schematic diagram
Fig. 2 is background technology bracing frame internal stress distribution figure；
Fig. 3 is embodiment 1 overall structure schematic diagram in this utility model；
Fig. 4 is bracing frame internal stress distribution figure in this utility model；
Fig. 5 is the side view of each modular construction in embodiment 1 in this utility model；
Fig. 6 is the front view of each modular construction in embodiment 1 in this utility model；
Fig. 7 is the axonometric chart of each modular construction in embodiment 1 in this utility model.
Detailed description of the invention
Detailed description of the invention of the present utility model is described below in conjunction with the accompanying drawings.
This utility model embodiment provides the fixing device of a kind of motor shaft, and the fixing device of described motor shaft includes supporting
Frame and adaptor, support frame as described above and adaptor are fixing to be connected；
Support frame as described above has the first joint face, and described adaptor has the second joint face, and described first joint face
The matching form of shape and described second joint face closes, when making support frame as described above and the fixing connection of described adaptor, and described support
First joint face of frame is bonded to each other with the second joint face of described adaptor；
Described adaptor is used for connecting support frame as described above and motor shaft, uses face between described adaptor and support frame as described above
Being connected with face, the contact area between described adaptor and support frame as described above is joined directly together with support frame as described above much larger than motor shaft
Contact area between motor shaft and support frame as described above when connecing.
Described first joint face and described second joint face can be curved surface or plane, and described first joint face is with described
The area of the second joint face is identical or different.
Described adaptor has motor shaft fixed part, and described motor shaft fixed part is for connecting fixing to motor shaft and adaptor
Connect, make not produce relative displacement between motor shaft and adaptor after fixing connection.
The effect of described motor shaft fixed part is to make neither to produce between motor shaft and adaptor to circumferentially rotate, and does not produces
Life moves axially.
In a kind of embodiment, described motor shaft fixed part has the first groove, and described first groove is circular arc
Groove；
The internal diameter of described first groove is identical with the external diameter of described motor shaft, enables motor shaft to be just positioned over described
In one groove；
The fixing device of described motor shaft also includes motor shaft compact heap；
Described motor shaft is fixed in described first groove by described motor shaft compact heap, makes motor shaft and adaptor
Between neither produce circumferentially rotate, the most do not produce and move axially.
In a kind of embodiment, described motor shaft has flat mouth, and described motor shaft compact heap has and described flat mouth
The second groove adapted, the second groove on described motor shaft compact heap is for the flat mouth of described motor shaft of fitting, and limits
The displacement range of described motor shaft；When the flat mouth laminating of the second groove on described motor shaft compact heap with described motor shaft compresses
After, do not produce relative displacement between described motor shaft and described motor shaft compact heap.
In a kind of embodiment, it is fixing even that support frame as described above, adaptor and motor shaft compact heap pass sequentially through screw
Connecing, described screw sequentially passes through described motor shaft compact heap, bracing frame and adaptor.
In a kind of embodiment, described motor shaft fixed part has a through hole, in described through-hole inner surface is provided with
Spline；Described motor shaft outer surface is provided with the external splines adapted with described internal spline；
When described motor shaft inserts the through hole of described motor shaft fixed part, the internal spline of described through-hole inner surface is with described
The external splines of motor shaft outer surface is mutually clamped, and makes to be connected fastening between described motor shaft with described motor shaft fixed part, makes electricity
Can not relatively rotate between arbor and adaptor.
The fixing device of motor shaft also includes that the first locating part, described first locating part are used for limiting adaptor and motor shaft
Relative position, make adaptor can not slide axially on motor shaft.
In a kind of embodiment, described first locating part includes the first check ring and the second check ring；
Described first check ring be positioned at motor shaft and motor shaft fixed part one is connected end, described second check ring
Another being positioned at motor shaft and motor shaft fixed part is connected end.
Described first check ring and the second check ring are for limiting adaptor and motor shaft in the axial phase of motor shaft
To position, make adaptor can not slide axially on motor shaft.
In a kind of embodiment, the tangent plane of described adaptor is trapezium structure.
The tangent plane of described adaptor can also be the structure that triangle, sector etc. are up big and down small, makes adaptor and bracing frame
There is bigger contact area.
This utility model embodiment also provides for a kind of wheel hub motor, and described wheel hub motor comprises the fixing dress of above-mentioned motor shaft
Put, the fixing device of described motor shaft is applied in current wheel hub motor, can effectively solve the electricity in current wheel hub motor
The problem that arbor is fixing.
This utility model embodiment also provides for a kind of balance car, and described balance car comprises the fixing device of above-mentioned motor shaft,
Described fixing device is used for fixing the motor shaft of balance car, and support frame as described above is the vehicle frame of balance car, due to described adaptor position
Between vehicle frame and motor shaft, when the contact area rate motor shaft between adaptor and vehicle frame is directly fixed on car motor shaft with
Contact area between vehicle frame is much larger, can effectively disperse the stress making frame interior produce due to the effect of motor shaft, from
And effectively solve the problem that in prior art, vehicle frame is easily damaged owing to stress is excessive, even ruptures.
Embodiment 1
As shown in FIG. 3 to 7, the fixing device of a kind of motor shaft, the fixing device of described motor shaft includes bracing frame 1 and turns
Fitting 2, support frame as described above 1 and the fixing connection of adaptor 2；
Support frame as described above 1 has the first joint face 11, and described adaptor has the second joint face 21, and described first connects
The shape in face 11 and the matching form conjunction of described second joint face 21, make support frame as described above 1 and the fixing connection of described adaptor 2
Time, the first joint face 11 of support frame as described above 1 is bonded to each other with the second joint face 21 of described adaptor 2；
Described adaptor 2 has motor shaft fixed part, and described motor shaft fixed part is for by solid with adaptor 2 for motor shaft 3
Fixed connection, makes not producing relative displacement between motor shaft 3 and adaptor 2 after fixing connection.
The effect of described motor shaft fixed part is to make neither to produce between motor shaft 3 and adaptor 2 to circumferentially rotate, the most not
Generation moves axially.
Further, described motor shaft fixed part has the first groove 22, and described first groove 22 is circular groove；
The internal diameter of described first groove 22 is identical with the external diameter of described motor shaft 3；
The fixing device of described motor shaft also includes motor shaft compact heap 4；
Described motor shaft 3 is fixed in described first groove 22 by described motor shaft compact heap 4.
Further, described motor shaft 3 has flat mouth 31, and described motor shaft compact heap 4 has fits with described flat mouth 31 phase
The second groove 41 answered, the second groove 41 on described motor shaft compact heap 4 for the flat mouth 31 of described motor shaft 3 of fitting, and
Limit the displacement range of described motor shaft 3；Flat when the second groove 41 on described motor shaft compact heap 4 and described motor shaft 3
After mouth 31 laminating compresses, between described motor shaft 3 and described motor shaft compact heap 4, do not produce relative displacement.
Further, support frame as described above 1, adaptor 2 and motor shaft compact heap 4 pass sequentially through the fixing connection of screw 5.
Further, the tangent plane of described adaptor is trapezium structure.
Embodiment 2
The present embodiment is with the difference of embodiment 1: use spline to be connected between described motor shaft fixed part and motor shaft,
Described motor shaft fixed part has a through hole, and described through-hole inner surface is provided with internal spline；Described motor shaft appearance
Face is provided with the external splines adapted with described internal spline；
When described motor shaft inserts the through hole of described motor shaft fixed part, the internal spline of described through-hole inner surface is with described
The external splines of motor shaft outer surface is mutually clamped, and makes to be connected fastening between described motor shaft with described motor shaft fixed part, makes electricity
Can not relatively rotate between arbor and adaptor.
The fixing device of motor shaft also includes that the first locating part, described first locating part are used for limiting adaptor and motor shaft
Relative position, make adaptor can not slide axially on motor shaft.
Further, described first locating part includes the first check ring and the second check ring；
Described first check ring be positioned at motor shaft and motor shaft fixed part one is connected end, described second check ring
Another being positioned at motor shaft and motor shaft fixed part is connected end.
This utility model embodiment 3 also provides for a kind of wheel hub motor, and described wheel hub motor comprises embodiment 1 or embodiment 2
The fixing device of described motor shaft.
This utility model embodiment 4 also provides for a kind of balance car, and described balance car comprises described in embodiment 1 or embodiment 2
The fixing device of motor shaft.
In sum, embodiment described in the utility model only provides two kinds of embodiments, technology of the present utility model
Content and technical characterstic have revealed that as above, however one skilled in the art scholar be still potentially based on disclosed in this utility model interior
Hold and make the various replacement without departing substantially from this utility model creation spirit and modification；Therefore, protection domain of the present utility model does not limits
In the technology contents disclosed in embodiment, therefore all equivalence changes done according to shape of the present utility model, structure and principle, all contain
Cover in protection domain of the present utility model.
Claims (9)
1. the fixing device of a motor shaft, it is characterised in that: the fixing device of described motor shaft includes bracing frame and adaptor,
Support frame as described above and the fixing connection of adaptor；
Support frame as described above has the first joint face, and described adaptor has the second joint face, and the shape of described first joint face
Close with the matching form of described second joint face, when making support frame as described above and the fixing connection of described adaptor, support frame as described above
First joint face is bonded to each other with the second joint face of described adaptor；
Described adaptor has motor shaft fixed part, and described motor shaft fixed part is connected for motor shaft and adaptor being fixed,
Make not produce relative displacement between motor shaft and adaptor after fixing connection.
The fixing device of motor shaft the most according to claim 1, it is characterised in that: described motor shaft fixed part has first
Groove, described first groove is circular groove；
The internal diameter of described first groove is identical with the external diameter of described motor shaft；
The fixing device of described motor shaft also includes motor shaft compact heap；
Described motor shaft is fixed in described first groove by described motor shaft compact heap.
The fixing device of motor shaft the most according to claim 2, it is characterised in that: described motor shaft has flat mouth, described
Motor shaft compact heap has the second groove adapted with described flat mouth, and the second groove on described motor shaft compact heap is used for pasting
Close the flat mouth of described motor shaft, and limit the displacement range of described motor shaft；The second groove on described motor shaft compact heap
Fit with the flat mouth of described motor shaft after compressing, between described motor shaft and described motor shaft compact heap, do not produce relative displacement.
The fixing device of motor shaft the most according to claim 2, it is characterised in that: support frame as described above, adaptor and motor
Shaft compression block passes sequentially through the fixing connection of screw.
The fixing device of motor shaft the most according to claim 1, it is characterised in that: described motor shaft fixed part has one
Through hole, described through-hole inner surface is provided with internal spline；Described motor shaft outer surface is provided with the external splines adapted with described internal spline；
When described motor shaft inserts the through hole of described motor shaft fixed part, the internal spline of described through-hole inner surface and described motor
The external splines of axle outer surface is mutually clamped, and makes to be connected fastening between described motor shaft with described motor shaft fixed part, makes motor shaft
And can not relatively rotate between adaptor；
The fixing device of described motor shaft also includes that the first locating part, described first locating part are used for limiting adaptor and motor shaft
Relative position, make the adaptor can not longitudinal sliding motion on motor shaft.
The fixing device of motor shaft the most according to claim 5, it is characterised in that: described first locating part includes the first bullet
Spring back-up ring and the second check ring；
Described first check ring be positioned at motor shaft and motor shaft fixed part one is connected end, and described second check ring is positioned at
Another of motor shaft and motor shaft fixed part is connected end.
7. according to the fixing device of the motor shaft described in any one of claim 1～6, it is characterised in that: described first joint face
It is curved surface or plane with the second joint face.
8. according to the fixing device of the motor shaft described in any one of claim 1～6, it is characterised in that: cutting of described adaptor
Face is trapezium structure.
9. a balance car, it is characterised in that: described balance car comprises consolidating of the motor shaft described in any one of claim 1～8
Determine device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620614819.1U CN205791893U (en) | 2016-06-21 | 2016-06-21 | The fixing device of a kind of motor shaft and balance car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620614819.1U CN205791893U (en) | 2016-06-21 | 2016-06-21 | The fixing device of a kind of motor shaft and balance car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205791893U true CN205791893U (en) | 2016-12-07 |
Family
ID=58130143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620614819.1U Active CN205791893U (en) | 2016-06-21 | 2016-06-21 | The fixing device of a kind of motor shaft and balance car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205791893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171515A (en) * | 2019-05-09 | 2019-08-27 | 浙江阿尔郎科技有限公司 | Balance automobile-used axle fixing device and balance car |
-
2016
- 2016-06-21 CN CN201620614819.1U patent/CN205791893U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171515A (en) * | 2019-05-09 | 2019-08-27 | 浙江阿尔郎科技有限公司 | Balance automobile-used axle fixing device and balance car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |