CN207166286U - A kind of wheel hub motor axial direction fixing device for installing - Google Patents
A kind of wheel hub motor axial direction fixing device for installing Download PDFInfo
- Publication number
- CN207166286U CN207166286U CN201721074530.6U CN201721074530U CN207166286U CN 207166286 U CN207166286 U CN 207166286U CN 201721074530 U CN201721074530 U CN 201721074530U CN 207166286 U CN207166286 U CN 207166286U
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- Prior art keywords
- motor shaft
- wheel hub
- key block
- bolt
- fixing device
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Abstract
A kind of wheel hub motor axial direction fixing device for installing provided by the utility model, including:Mounting bracket, the motor shaft for being provided with keyway, key block, bolt;The key block is installed on the keyway of the motor shaft;The cavity for being available for the motor shaft for being provided with the key block to be axially inserted into is provided with the mounting bracket;Cylinder groove corresponding with the bolt is provided with the key block;Internal thread through hole corresponding with the bolt is additionally provided with the mounting bracket so that the bolt may pass through the internal thread through hole and be inserted radially into the cylinder groove.In the utility model, the radial direction of motor shaft is inhibited to rock by the way that key block is installed on motor shaft and is axially inserted into cavity, the rotationally and axially vibration of motor shaft is prevented by the cylinder groove in bolt insertion key block, motor shaft is enabled to stablize, securely install on the securing means, the technical problem for solving the installation fixed effect difference of existing mounting structure.
Description
Technical field
It the utility model is related to wheel hub motor technical field, more particularly to a kind of wheel hub motor axial direction fixing device for installing.
Background technology
Wheel hub motor technology is also known as wheel inner electric machine technology, and its maximum feature is exactly by power, transmission and braking dress
Put and be all incorporated into wheel hub, therefore the mechanical part of electric vehicle is greatly simplified.
Fig. 1 is the mounting structure schematic diagram of wheel hub motor in the prior art;As shown in figure 1, it includes:Fixation with flat mouth
Plate 601, Y type fork structure (not shown in figure 1) is provided with longitudinal fixed plate.Wheel hub motor is installed to the Y type fork
In structure and make motor shaft 602 through the flat mouth in fixed plate, then by singly-bound bar or spline (not shown in figure 1) by motor shaft
Fixed on mounting structure.Above-mentioned wheel hub motor technology is also widely applied on dynamic balancing car at present, and is gradually applied
Onto mobile underpan.
But because the mounting structure of above-mentioned prior art is more thin, it is commonly used to the peace of double shaft wheel hub motors
Dress is fixed.For the dynamic balancing car or mobile underpan using single shaft, the mounting structure of above-mentioned prior art can not
Installation fixed effect well is provided.
Utility model content
The utility model discloses a kind of wheel hub motor axial direction fixing device for installing, for solving existing mounting structure
The technical problem of fixed effect difference is installed.
The utility model provides a kind of wheel hub motor axial direction fixing device for installing, including:Mounting bracket, it is provided with keyway
Motor shaft, key block, bolt;
The key block is installed on the keyway of the motor shaft;
The cavity for being available for the motor shaft for being provided with the key block to be axially inserted into is provided with the mounting bracket;
Cylinder groove corresponding with the bolt is provided with the key block;
Internal thread through hole corresponding with the bolt is additionally provided with the mounting bracket so that the bolt may pass through institute
State internal thread through hole and be inserted radially into the cylinder groove.
Preferably, the keyway is specially horizontal keyway.
Preferably, the internal thread through hole is specially circular hole, is provided with the circular hole side wall corresponding with the bolt
Internal thread.
Preferably, the motor shaft that the cavity is provided with the key block with described is in close contact, and the bolt is by institute
Motor shaft is stated to hold out against.
Preferably, the cavity is provided with pre-pressing structure so that the cavity is interference fitted with the motor shaft.
Preferably, the cylinder groove is light wall counterbore.
Preferably, the cavity is specially cylindrical cavity, and the cross section of the cylindrical cavity is combined for circle with rectangle,
So that the motor shaft for being provided with the key block can be axially inserted into.
Preferably, the mounting bracket is specifically arranged in robot chassis.
Preferably, the mounting bracket is specifically arranged in balance chassis.
Preferably, the motor shaft is specially the motor shaft of wheel hub motor.
As can be seen from the above technical solutions, the utility model embodiment has advantages below:
A kind of wheel hub motor axial direction fixing device for installing provided by the utility model, including:Mounting bracket, it is provided with keyway
Motor shaft, key block, bolt;The key block is installed on the keyway of the motor shaft;It is provided with the mounting bracket
The cavity for being available for the motor shaft for being provided with the key block to be axially inserted into;It is provided with the key block corresponding with the bolt
Cylinder groove;Internal thread through hole corresponding with the bolt is additionally provided with the mounting bracket so that the bolt may pass through institute
State internal thread through hole and be inserted radially into the cylinder groove.In the utility model, by the way that key block is installed on motor shaft and axially inserted
Enter in cavity and then inhibit the radial direction of motor shaft to rock, motor shaft is prevented by the cylinder groove in bolt insertion key block
Rotationally and axially vibration so that motor shaft can stablize, securely install on the securing means, solve it is existing installation knot
The technical problem of the installation fixed effect difference of structure.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of assembling of one embodiment of wheel hub motor axial direction fixing device for installing provided by the utility model
Figure;
Fig. 2 is a kind of blast of one embodiment of wheel hub motor axial direction fixing device for installing provided by the utility model
Figure;
Wherein, reference is as follows:
1st, mounting bracket;2nd, motor shaft;3rd, key block;4th, bolt;5th, cavity;6th, keyway;7th, cylinder groove;8th, internal thread leads to
Hole.
Embodiment
The utility model discloses a kind of wheel hub motor axial direction fixing device for installing, for solving existing mounting structure
The technical problem of fixed effect difference is installed.
Referring to Fig. 1, Fig. 1 is an a kind of implementation of wheel hub motor axial direction fixing device for installing provided by the utility model
The installation diagram of example.
Referring to Fig. 2, Fig. 2 is an a kind of implementation of wheel hub motor axial direction fixing device for installing provided by the utility model
The explosive view of example.
One embodiment from a kind of wheel motor shaft 2 provided by the utility model to fixing device for installing, including:Installation branch
Frame 1, the motor shaft 2 for being provided with keyway 6, key block 3, bolt 4;
Key block 3 is installed on the keyway 6 of motor shaft 2;
Keyway 6 is provided with motor shaft 2, key block 3 is installed on motor shaft 2, and actually key block 3 is installed by keyway 6
In on motor shaft 2, key block 3 and the corresponding matching of keyway 6.
The cavity 5 for being available for the motor shaft 2 for being provided with key block 3 to be axially inserted into is provided with mounting bracket 1;
That is, cavity 5 is provided with mounting bracket 1, the cavity 5 is available for the motor shaft 2 for being provided with key block 3 to be axially inserted into, i.e.,
The cavity 5 is axially arranged cylindrical cavity 5, and the cross section of motor shaft 2 of the cross section of cavity 5 with being provided with key block 3 is corresponding.
Cylinder groove 7 corresponding with bolt 4 is provided with key block 3;
Internal thread through hole 8 corresponding with bolt 4 is additionally provided with mounting bracket 1 so that bolt 4 may pass through internal thread through hole
8 are inserted radially into cylinder groove 7, for compressing and fixing key block 3.
Compress and the one way in which of fixed key block 3 is to compress and fix key block 3 by screw thread fitted bolt 4:It is logical
It is corresponding with the bolt 4 that internal thread can be provided with hole 8 or on cylinder groove 7 so that bolt 4 can be tightened by rotation, so as to
Compress and fix key block 3.By screw thread fitted bolt 4 come to compress and fix key block 3 be best mode of the present utility model.
Compress and the wherein another way of fixed key block 3 is to compress and fix key block 3 by the way that bolt 4 is welded:When
After bolt 4 is inserted radially into cylinder groove 7 through through hole 8, bolt 4 is welded, can also compress and fix key block 3.
Compress and the wherein another way of fixed key block 3 is to hold part tightly by being installed additional outside mounting bracket 1 to press
Tight bolt 4, so as to compress and fix key block 3:After bolt 4 is inserted radially into cylinder groove 7 through through hole 8, installs additional and hold part tightly, warp
Bolt 4 compresses, so as to compress and fix key block 3.
Also remaining mode, is not limited herein.
Further, keyway 6 is specially horizontal keyway 6.
Further, internal thread through hole 8 is specially circular hole, is provided with and 4 corresponding internal thread of bolt in circular hole side wall.
Further, cavity 5 is in close contact with being provided with the motor shaft 2 of key block 3, and bolt 4 holds out against motor shaft 2.
Further, cavity 5 is provided with pre-pressing structure so that cavity 5 is interference fitted with motor shaft 2.
Further, cylinder groove 7 is light wall counterbore.
Light wall counterbore refers to the inwall Smooth of counterbore, without screw thread.
Further, cavity 5 is specially cylindrical cavity 5, and the cross section of cylindrical cavity 5 is combined with rectangle for circle, made
The motor shaft 2 of key block 3, which must be provided with, to be axially inserted into.
Further, mounting bracket 1 is specifically arranged in robot chassis.
Further, mounting bracket 1 is specific is arranged in balance chassis.
Further, motor shaft 2 is specially the motor shaft 2 of wheel hub motor.
Above-mentioned pre-pressing structure can also be the screw with spring washer and plain washer, using the mode of screw thread glue solid lock,
Mating surface uses mode filled with certain elastomeric material etc..
A kind of wheel hub motor axial direction fixing device for installing provided by the utility model is described in detail above, it is right
In those of ordinary skill in the art, according to the thought of the utility model embodiment, in specific embodiments and applications
There will be changes, in summary, this specification content should not be construed as to limitation of the present utility model.
Claims (10)
- A kind of 1. wheel hub motor axial direction fixing device for installing, it is characterised in that including:Mounting bracket, the motor for being provided with keyway Axle, key block, bolt;The key block is installed on the keyway of the motor shaft;The cavity for being available for the motor shaft for being provided with the key block to be axially inserted into is provided with the mounting bracket;Cylinder groove corresponding with the bolt is provided with the key block;Internal thread through hole corresponding with the bolt is additionally provided with the mounting bracket so that the bolt may pass through in described Tapped through hole is inserted radially into the cylinder groove.
- 2. a kind of wheel hub motor axial direction fixing device for installing according to claim 1, it is characterised in that the keyway is specific For horizontal keyway.
- 3. a kind of wheel hub motor axial direction fixing device for installing according to claim 1, it is characterised in that the internal thread leads to Hole is specially circular hole, and internal thread corresponding with the bolt is provided with the circular hole side wall.
- 4. a kind of wheel hub motor axial direction fixing device for installing according to claim 1, it is characterised in that the cavity and institute The motor shaft close contact for being provided with the key block is stated, the bolt holds out against the motor shaft.
- 5. a kind of wheel hub motor axial direction fixing device for installing according to claim 1, it is characterised in that the cavity is set There is pre-pressing structure so that the cavity is interference fitted with the motor shaft.
- 6. a kind of wheel hub motor axial direction fixing device for installing according to claim 1, it is characterised in that the cylinder groove is Light wall counterbore.
- 7. a kind of wheel hub motor axial direction fixing device for installing according to claim 1, it is characterised in that the cavity is specific For cylindrical cavity, the cross section of the cylindrical cavity is combined for circle with rectangle so that the institute for being provided with the key block Stating motor shaft can be axially inserted into.
- A kind of 8. wheel hub motor axial direction fixing device for installing according to claim 1, it is characterised in that the mounting bracket Specifically it is arranged in robot chassis.
- A kind of 9. wheel hub motor axial direction fixing device for installing according to claim 1, it is characterised in that the mounting bracket It is specific to be arranged in balance chassis.
- A kind of 10. wheel hub motor axial direction fixing device for installing according to claim 1, it is characterised in that the motor shaft The specially motor shaft of wheel hub motor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721074530.6U CN207166286U (en) | 2017-08-25 | 2017-08-25 | A kind of wheel hub motor axial direction fixing device for installing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721074530.6U CN207166286U (en) | 2017-08-25 | 2017-08-25 | A kind of wheel hub motor axial direction fixing device for installing |
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CN207166286U true CN207166286U (en) | 2018-03-30 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109334841A (en) * | 2018-08-26 | 2019-02-15 | 深圳市领航致远科技有限公司 | A kind of wheel securing structure and balance car of hub motor balance car |
CN109702462A (en) * | 2019-02-26 | 2019-05-03 | 浙江优盛康科技有限公司 | A kind of assembling equipment of motor shaft and key |
-
2017
- 2017-08-25 CN CN201721074530.6U patent/CN207166286U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109334841A (en) * | 2018-08-26 | 2019-02-15 | 深圳市领航致远科技有限公司 | A kind of wheel securing structure and balance car of hub motor balance car |
CN109702462A (en) * | 2019-02-26 | 2019-05-03 | 浙江优盛康科技有限公司 | A kind of assembling equipment of motor shaft and key |
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