CN213817462U - Hub motor of electric bicycle - Google Patents
Hub motor of electric bicycle Download PDFInfo
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- CN213817462U CN213817462U CN202021823037.1U CN202021823037U CN213817462U CN 213817462 U CN213817462 U CN 213817462U CN 202021823037 U CN202021823037 U CN 202021823037U CN 213817462 U CN213817462 U CN 213817462U
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- motor
- hub
- electric bicycle
- end cover
- motor shaft
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Abstract
The utility model relates to the technical field of hub motors, in particular to a hub motor of an electric bicycle, which comprises a motor hub, a bearing, a motor shaft, a hollow screw and a motor end cover arranged on the motor hub; a driving outer sleeve is arranged on the motor end cover; one end of the motor shaft is assembled on the motor hub through a bearing, the other end of the motor shaft is assembled on the motor end cover through a bearing, and the motor shaft penetrates out of the driving outer sleeve on the motor end cover; the motor shaft inboard is equipped with the internal thread, hollow screw fixes on the internal thread of motor shaft, the utility model discloses an electric bicycle wheel hub motor utilizes hollow screw and the internal thread that utilizes the motor shaft ingeniously for the better fixing of wheel hub motor is on electric bicycle's trailing arm fork, prevents that the easy not hard up problem of installation screw from appearing in motor shaft and trailing arm fork in permanent use.
Description
Technical Field
The utility model relates to a wheel hub motor technical field, more specifically relates to an electric bicycle wheel hub motor.
Background
At present, the electric bicycle is widely applied to daily life of people, and the electric bicycle occupies small space, has low noise and no tail gas pollution, so that the energy-saving and emission-reducing effects can be effectively realized.
However, in the long-term use process, people find that the traditional drive motor and the rear arm fork are all fixedly installed by utilizing the external threads of the nut and the motor shaft, and the nut and the external threads of the motor shaft are easy to loosen and not fastened in the long-term use process.
Therefore, it is desirable to provide a hub motor for an electric bicycle that solves the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art at least one defect (not enough), provide one kind make behind the wheel hub motor installation with electric bicycle's the trailing arm fork between be connected more stable electric bicycle wheel hub motor.
In order to solve the technical problem, the technical scheme of the utility model as follows: a hub motor of an electric bicycle comprises a motor hub, a bearing, a motor shaft, a hollow screw and a motor end cover arranged on the motor hub;
a driving outer sleeve is arranged on the motor end cover;
one end of the motor shaft is assembled on the motor hub through a bearing, the other end of the motor shaft is assembled on the motor end cover through a bearing, and the motor shaft penetrates out of the driving outer sleeve on the motor end cover;
the motor shaft is provided with an internal thread on the inner side, and the hollow screw is fixed on the internal thread of the motor shaft.
Furthermore, a driving outer sleeve bearing limiting step is arranged on the motor end cover.
Furthermore, a waterproof step is arranged on the outer side of the limiting step of the driving outer sleeve bearing.
Furthermore, the outer side of the top of the driving outer sleeve is provided with an external thread.
Furthermore, the top ends of the two sides of the motor shaft are respectively provided with a fixed clamping position.
Furthermore, the fixing clip is a fixing groove or a fixing key.
Furthermore, the brake disc also comprises a brake disc sheet and a brake disc fixing screw;
the motor end cover is respectively provided with a disc brake sheet positioning step and a mounting and fixing screw hole;
the disc brake sheet is sleeved outside the disc brake sheet positioning step;
the disc brake sheet is installed on the installation fixing screw hole of the motor end cover through a disc brake fixing screw.
Further, still include the dust groove, the dust groove sets up between waterproof step and dish piece location step of stopping.
Furthermore, the motor wheel further comprises a wheel hub and a wheel spoke, wherein one end of the wheel spoke is connected with the wheel hub, and the other end of the wheel spoke is connected with the wheel hub of the motor.
Further, motor wheel hub, spoke and wheel hub formula structure as an organic whole.
Compared with the prior art, the utility model discloses technical scheme's beneficial effect is:
the utility model discloses an electric bicycle wheel hub motor utilizes the hollow screw ingeniously and utilizes the internal thread of motor shaft for the better fixing of wheel hub motor is on electric bicycle's trailing arm fork, prevents that the easy not hard up problem of installation screw from appearing in permanent use motor shaft and trailing arm fork.
Drawings
Fig. 1 is a schematic structural view of a hub motor for a medium electric bicycle according to the present invention.
Fig. 2 is a schematic structural view of the middle electric bicycle hub motor after the disc brake sheet is removed.
Fig. 3 is a schematic structural view of the hub motor of the middle electric bicycle after the motor end cover is removed.
FIG. 4 is a schematic view of the other side of the hub motor of the electric bicycle after the motor cover is removed.
Fig. 5 is a schematic structural view of the motor shaft penetrating out of the motor end cover.
Fig. 6 is a schematic structural diagram of the motor shaft disposed on the motor end cover.
Fig. 7 is a schematic structural view of the bearing mounted on the electric shaft of the present invention.
In the figure, 1 is motor wheel hub, 2 is motor end cover, 3 is the motor shaft, 4 is hollow screw, 5 is the drive overcoat, 6 is the internal thread, 7 is drive overcoat bearing spacing step, 8 is waterproof step, 9 is the external screw thread, 10 is fixed screens, 11 is the dish piece of stopping, 12 is the dish fixed screw of stopping, 13 is the dish piece location step of stopping, 14 is installation fixed screw hole, 15 is the dust groove, 16 is wheel hub, 17 is the spoke, 18 is the bearing.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art. The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
As shown in fig. 1-4, an electric bicycle hub motor comprises a motor hub 1, a bearing, a motor shaft 3, a hollow screw 4 and a motor end cover 2 arranged on the motor hub 1; a driving outer sleeve 5 is arranged on the motor end cover 2; one end of a motor shaft 3 is assembled on the motor hub 1 through a bearing 18, the other end of the motor shaft is assembled on the motor end cover 2 through the bearing 18, and the motor shaft 3 penetrates out of a driving outer sleeve 5 on the motor end cover 2; the inner side of the motor shaft 3 is provided with an internal thread 6, and the hollow screw 4 is fixed on the internal thread 6 of the motor shaft 3.
As shown in fig. 5, be equipped with the spacing step 7 of drive overcoat bearing on motor end cover 2, be equipped with waterproof step 8 in the spacing step 7 outside of drive overcoat bearing, be equipped with external screw thread 9 in the top outside of drive overcoat 5, all be equipped with fixed screens 10 on the both sides top of motor shaft 3 the utility model discloses in, fixed screens is fixed slot or fixed key.
As shown in fig. 6-7, further comprises a disc brake sheet 11 and a disc brake fixing screw 12; a disc brake sheet positioning step 13 and a mounting and fixing screw hole 14 are respectively arranged on the motor end cover 2; the disc brake sheet 11 is sleeved outside the disc brake sheet positioning step 13; the dish is stopped piece 11 and is installed on the fixed screw hole 14 of installation of motor end cover 2 through dish fixing screw 12, in addition, still includes dust groove 15, and dust groove 15 sets up between waterproof step 8 and dish is stopped piece location step 13.
The motor hub comprises a hub 16 and a spoke 17, wherein one end of the spoke 17 is connected with the hub 16, the other end of the spoke 17 is connected with the motor hub 1, and in practical application, the motor hub 1, the spoke 17 and the hub 16 are of an integrated structure.
The utility model discloses in, because motor wheel hub, spoke and wheel hub are the integral type structure, consequently can be convenient for process and production, and be equipped with the internal thread in the motor shaft inboard, fix hollow screw on the internal thread of motor shaft again, make the motor line can pass out the line from hollow screw, avoid electric bicycle's wheel at the rotation in-process, the motor line rubs with the outlet of motor line easily and leads to damaging, simultaneously, the utility model discloses utilize hollow screw ingeniously and utilize the internal thread of motor shaft for the better fixing of in-wheel motor is on electric bicycle's back arm fork, prevents that the easy not hard up problem of installation screw from appearing in permanent use motor shaft and back arm fork.
In addition, install the dish piece of stopping in motor end cover one side, the transmission of dish brake and motor wheel hub, drive arrangement and motor line are qualified for the next round of competitions all and are designed and install on same limit, reduce occupation space, high durability and convenient installation, neatly pleasing to the eye, and through collocation dust groove and waterproof step, through this kind of structure, can play waterproof dirt-proof effect to driving motor simultaneously, improve the waterproof dustproof performance of motor, reduce the fault rate of motor, through such design, it can be miniaturized with in-wheel motor to enable the trailing arm fork, the installation distance of motor shaft and trailing arm fork is suitable, also be rich in the aesthetic feeling when practical.
In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An electric bicycle hub motor characterized in that: the motor comprises a motor hub, a bearing, a motor shaft, a hollow screw and a motor end cover arranged on the motor hub;
a driving outer sleeve is arranged on the motor end cover;
one end of the motor shaft is assembled on the motor hub through a bearing, the other end of the motor shaft is assembled on the motor end cover through a bearing, and the motor shaft penetrates out of the driving outer sleeve on the motor end cover;
the motor shaft is provided with an internal thread on the inner side, and the hollow screw is fixed on the internal thread of the motor shaft.
2. The electric bicycle hub motor of claim 1, wherein: and a driving outer sleeve bearing limiting step is arranged on the motor end cover.
3. The electric bicycle hub motor of claim 2, wherein: and a waterproof step is arranged on the outer side of the limit step of the driving outer sleeve bearing.
4. The electric bicycle hub motor of claim 1, wherein: and the outer side of the top of the driving outer sleeve is provided with an external thread.
5. The electric bicycle hub motor of claim 1, wherein: and the top ends of the two sides of the motor shaft are respectively provided with a fixed clamping position.
6. The electric bicycle hub motor of claim 5, wherein: the fixing screens are fixing grooves or fixing keys.
7. The electric bicycle hub motor of claim 3, wherein: the brake disc also comprises a disc brake sheet and a disc brake fixing screw;
the motor end cover is respectively provided with a disc brake sheet positioning step and a mounting and fixing screw hole;
the disc brake sheet is sleeved outside the disc brake sheet positioning step;
the disc brake sheet is installed on the installation fixing screw hole of the motor end cover through a disc brake fixing screw.
8. The electric bicycle hub motor of claim 7, wherein: still include the dust groove, the dust groove sets up between waterproof step and dish piece location step of stopping.
9. The electric bicycle hub motor of claim 1, wherein: still include wheel hub and spoke, spoke one end is connected with wheel hub, and the other end is connected with motor wheel hub.
10. The electric bicycle hub motor of claim 9, wherein: the motor hub, the spoke and the hub are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021823037.1U CN213817462U (en) | 2020-08-27 | 2020-08-27 | Hub motor of electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021823037.1U CN213817462U (en) | 2020-08-27 | 2020-08-27 | Hub motor of electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213817462U true CN213817462U (en) | 2021-07-27 |
Family
ID=76952016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021823037.1U Active CN213817462U (en) | 2020-08-27 | 2020-08-27 | Hub motor of electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213817462U (en) |
-
2020
- 2020-08-27 CN CN202021823037.1U patent/CN213817462U/en active Active
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