Hub motor with waterproof function for electric scooter

Abstract

The utility model discloses a waterproof wheel hub motor for an electric scooter, which comprises a sleeve shell, a splicing shell and a motor part, and a connecting assembly for fixing the splicing shell is arranged on the outer surface wall of the sleeve shell. According to the invention, the locking rod is screwed off and the splicing shell is separated from the outer ring, so that the independent disassembly and assembly of the motor part can be realized, the integral disassembly and assembly of the splicing shell and the sleeve shell are not needed, the splicing shell is formed by combining the first split body and the second split body, and the two groups of semi-ring seats are matched, so that the connection requirement of the motor part leading-out wire harness is met; the first sealing gasket layer guarantees the air tightness of the connection between the semi-ring seat and the outgoing wire harness, the second sealing gasket layer guarantees the air tightness between the first split body and the second split body, and the third sealing gasket layer guarantees the air tightness between the splicing shell and the sleeve shell, so that the combination of the sleeve shell and the splicing shell can not only protect motor parts, but also protect the motor parts. And the waterproof performance of the motor part is also improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wheel hub motor technical field especially relates to a wheel hub motor with waterproof function for electric scooter. BACKGROUND

[0002] The wheel hub motor for electric scooter refers to a kind of motor type installed in the wheel hub inside electric scooter, which is fixed on the outside of wheel support, and can more effectively convert electrical energy into mechanical energy to push electric scooter forward.

[0003] Chinese patent publication number CN205837069U, publication time is December 28, 2016, discloses a kind of modular electric scooter, including pedal module, quick-release wheel hub motor, controller module and battery module for power supply, the pedal module includes front fork assembly, folding assembly, pedal and rear wheel, the rear wheel is installed in the rear end of the pedal, the front end of the pedal is detachably connected with the front fork assembly by the folding assembly, the lower end of the controller module is detachably connected with the upper end of the battery module, the lower end of the battery module is detachably connected with the front fork assembly, and the quick-release wheel hub motor is detachably installed on the front fork assembly.

[0004] Although the wheel hub motor in the existing electric scooter as described above is mostly provided with a sleeve shell, the sleeve shell is mostly for protection, and the waterproof effect of the sleeve shell on the motor body is poor. Moreover, the sleeve shell is mostly designed in one piece, so that the sleeve shell needs to be removed as a whole to separate the motor body, which is inconvenient to operate. Therefore, it is urgent to propose a wheel hub motor with waterproof function for electric scooter to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at: in order to solve the above problem, and propose a kind of wheel hub motor with waterproof function for electric scooter.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of wheel hub motor with waterproof function for electric scooter, including sleeve shell, spliced shell and motor piece, the sleeve shell outer wall is provided with the connecting assembly for the fixed spliced shell, the spliced shell is composed of split body one and split body two, the sleeve shell, split body one and split body two form closed cover body, the closed cover body is sleeved on the outside of motor piece, the outer wall of split body one and split body two is fixedly connected with half ring seat, the inner wall of two groups of half ring seat is fixedly connected with sealing pad layer one, the top of split body two is fixedly connected with sealing pad layer three, the side of sleeve shell close to spliced shell is fixedly connected with sealing pad layer two.

[0008] Preferably, the connecting assembly comprises an outer ring fixedly connected with the outer wall of the sleeve shell, and the outer ring is fixedly connected with the first part and the second part by a plurality of locking rods respectively.

[0009] Preferably, the outer wall of the sleeve shell is fixedly connected with a fixing ring, the inner wall of the fixing ring is screw-connected with a fastening rod, and the outer wall of the second part is fixedly connected with a reinforcing frame.

[0010] Preferably, the top of the second part is fixedly connected with an insertion piece, and the outer wall of the insertion piece is inserted into the bottom of the first part through an insertion slot.

[0011] Preferably, the inner wall of the outer ring is fixedly connected with a protruding strip, and the outer wall of the protruding strip is clamped with the outer wall of the first part through a combination slot.

[0012] Preferably, the inner walls of the sleeve shell, the first part and the second part are fixedly connected with fins, and the outer walls of the fins are abutted with the outer wall of the motor.

[0013] As described above, due to the adoption of the above technical scheme, the utility model has the advantages of:

[0014] 1. In the present application, the sleeve shell is fixed at a specified position of the wheel support through the cooperation of the fixing ring and the fastening rod, the motor is inserted into the sleeve shell, then the first part and the second part are combined, the whole splicing shell is inserted into the inner part of the outer ring and abutted with the sleeve shell, then the fixing of the first part and the second part is completed by rotating a plurality of locking rods respectively, and subsequently, only the locking rods need to be rotated away and the splicing shell needs to be separated from the outer ring, so that the independent disassembly of the motor can be realized, the disassembly of the whole splicing shell and the sleeve shell is not needed, the splicing shell is combined by the first part and the second part, and the combination of the two half ring seats meets the connection requirement of the motor lead bundle, the sealing pad layer one guarantees the air tightness of the connection between the half ring seat and the lead bundle, the sealing pad layer two guarantees the air tightness between the first part and the second part, and the sealing pad layer three guarantees the air tightness between the splicing shell and the sleeve shell, so that the combination of the sleeve shell and the splicing shell not only can protect the motor, but also improves the waterproof performance of the motor.

[0015] 2. In the present application, the pre-assembly of the first part and the second part is realized through the cooperation of the insertion piece and the insertion slot, and the cooperation of the combination slot on the outer wall of the first part and the protruding strip on the inner wall of the outer ring is to realize the rapid alignment of the splicing shell and the outer ring, so as to realize the fixed connection of the outer ring and the splicing shell quickly. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 An overall structure schematic view is shown according to the embodiment of the utility model;

[0017] Figure 2 A splicing shell structure schematic view is shown according to the embodiment of the utility model;

[0018] Figure 3 A fin structure schematic diagram is shown according to the embodiment of the utility model;

[0019] Figure 4 A fin structure schematic diagram is shown according to the embodiment of the utility model.

[0020] Legend:

[0021] 1, shell; 2, splice shell; 201, split one; 202, split two; 3, reinforcing frame; 4, motor; 5, fixed ring; 6, fastening rod; 7, outer ring; 8, locking rod; 9, half ring seat; 10, sealing pad layer one; 11, fin; 12, sealing pad layer two; 13, combination groove; 14, convex strip; 15, insert sheet; 16, sealing pad layer three. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0024] A wheel hub motor with waterproof function for electric scooter, including shell 1, splice shell 2 and motor, the outer wall of shell 1 is provided with the connecting assembly for the fixed splice shell 2, splice shell 2 is composed of split one 201 and split two 202, shell 1, split one 201 and split two 202 form closed cover body, the closed cover body is sleeved on the outside of motor, the outer wall of split one 201 and split two 202 is fixedly connected with half ring seat 9, the inner wall of two half ring seats 9 is fixedly connected with sealing pad layer one 10, split two 202 top is fixedly connected with sealing pad layer three 16, the side of shell 1 close to splice shell 2 is fixedly connected with sealing pad layer two 12;

[0025] The sleeve shell 1 is fixed in the designated position of the wheel support through the cooperation of the fixing ring 5 and the fastening rod 6, the motor part 4 is inserted through the sleeve shell 1, then the split body one 201 and the split body two 202 are combined, and then the integrated spliced shell 2 is inserted into the outer ring 7 and abuts against the sleeve shell 1, then a plurality of locking rods 8 are rotated respectively to complete the fixation of the split body one 201 and the split body two 202, and then only the locking rods 8 are rotated away and the spliced shell 2 is separated from the outer ring 7, so that the independent disassembly of the motor part 4 can be realized, without the need to disassemble the integrated spliced shell 2 and the sleeve shell 1, and the spliced shell 2 is combined by the split body one 201 and the split body two 202, and cooperates with the two groups of half ring seats 9 to meet the connection requirement of the lead wire bundle of the motor part 4, the sealing gasket one 10 guarantees the air tightness of the connection between the half ring seat 9 and the lead wire bundle, the sealing gasket two 12 guarantees the air tightness between the spliced shell 2 and the sleeve shell 1, and the sealing gasket three 16 guarantees the air tightness between the split body one 201 and the split body two 202, so that the combination of the sleeve shell 1 and the spliced shell 2 not only can protect the motor part 4, but also improves the waterproof performance of the motor part 4.

[0026] Specifically, as shown in Figure 2 and Figure 4 , the connecting assembly comprises an outer ring 7 fixedly connected with the outer wall of the sleeve shell 1, the outer ring 7 is fixedly connected with the split body one 201 and the split body two 202 through a plurality of locking rods 8, so as to realize the fixation of the spliced shell 2 and the sleeve shell 1, and the split body one 201 and the split body two 202 do not need to be additionally provided with a connecting piece, the outer wall of the sleeve shell 1 is fixedly connected with a fixing ring 5, the inner wall of the fixing ring 5 is screw-connected with a fastening rod 6, so as to realize the connection of the external support frame of the sleeve shell 1, the outer wall of the split body two 202 is fixedly connected with a reinforcing frame 3, the reinforcing frame 3 is also connected with the external support frame, and is used for realizing the auxiliary support of the hub motor.

[0027] Specifically, as shown in Figure 2 and Figure 3 , the split body two 202 is fixedly connected with a plug-in piece 15 at the top, the outer wall of the plug-in piece 15 is inserted into the bottom of the split body one 201 through an insertion slot, the inner wall of the outer ring 7 is fixedly connected with a convex strip 14, the outer wall of the convex strip 14 is clamped with the outer wall of the split body one 201 through a combination groove 13, the split body one 201 and the split body two 202 are pre-assembled through the cooperation of the plug-in piece 15 and the insertion slot, and the combination groove 13 on the outer wall of the split body one 201 cooperates with the convex strip 14 on the inner wall of the outer ring 7, so as to realize the quick alignment of the spliced shell 2 and the outer ring 7, so as to quickly realize the fixed connection of the outer ring 7 and the spliced shell 2.

[0028] Specifically, as shown in Figure 1 and Figure 2 , the inner walls of the split body one 201 and the split body two 202 are fixedly connected with fins 11, the outer walls of the fins 11 abut against the outer wall of the motor part 4, so as to realize the fixation of the closed cover body and the motor part 4, and a plurality of fins 11 can guarantee the heat dissipation effect of the motor part 4.

[0029] Working principle: the shell 1 is fixed in the designated position of the wheel support through the cooperation of the fixing ring 5 and the fastening rod 6, the motor part 4 is inserted through the shell 1, then the split body one 201 and the split body two 202 are combined, then the whole splicing shell 2 is inserted into the outer ring 7 and abuts against the shell 1, then a plurality of locking rods 8 are rotated to complete the fixation of the split body one 201 and the split body two 202, and then only the locking rod 8 is rotated off and the splicing shell 2 is separated from the outer ring 7, so that the independent disassembly of the motor part 4 can be realized, without the disassembly of the splicing shell 2 and the shell 1 as a whole, and the splicing shell 2 is combined by the split body one 201 and the split body two 202, cooperating with the two groups of half ring seats 9, meeting the connection requirement of the motor part 4 lead wire harness, the sealing layer one 10 guarantees the air tightness of the half ring seat 9 and the lead wire harness connection, the sealing layer two 12 guarantees the air tightness between the splicing shell 2 and the shell 1, and the sealing layer three 16 guarantees the air tightness between the split body one 201 and the split body two 202, so that the combination of the shell 1 and the splicing shell 2 can not only protect the motor part 4, but also improve the waterproof performance of the motor part 4, the pre-assembly of the split body one 201 and the split body two 202 is realized through the cooperation of the plug 15 and the slot, and the cooperation of the combined groove 13 on the outer wall of the split body one 201 and the convex strip 14 on the inner wall of the outer ring 7 is to realize the quick alignment of the splicing shell 2 and the outer ring 7, so as to realize the quick fixed connection of the outer ring 7 and the splicing shell 2.

[0030] The above description of the embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A waterproof hub motor for an electric scooter, comprising a housing (1), a splicing shell (2), and a motor component (4), characterized in that, The outer wall of the casing (1) is provided with a connecting component for fixing the splicing shell (2). The splicing shell (2) is composed of a first part (201) and a second part (202). The casing (1), the first part (201) and the second part (202) form a closed cover. The closed cover is fitted on the outside of the motor component (4). The outer walls of the first part (201) and the second part (202) are both fixedly connected with a semi-ring seat (9). The inner walls of the two sets of semi-ring seats (9) are both fixedly connected with a sealing gasket layer (10). The top of the second part (202) is fixedly connected with a sealing gasket layer (3) (16). The side of the casing (1) near the splicing shell (2) is fixedly connected with a sealing gasket layer (2) (12).

2. The hub motor for an electric scooter with waterproof function according to claim 1, characterized in that, The connecting assembly includes an outer ring (7) fixedly connected to the outer wall of the casing (1), and the outer ring (7) is fixedly connected to the first part (201) and the second part (202) respectively by multiple sets of locking rods (8).

3. A hub motor for an electric scooter with waterproof function according to claim 2, characterized in that, The outer wall of the casing (1) is fixedly connected to a fixing ring (5), the inner wall of the fixing ring (5) is screwed with a fastening rod (6), and the outer wall of the split body (202) is fixedly connected to a reinforcing frame (3).

4. A hub motor for an electric scooter with waterproof function according to claim 3, characterized in that, The top of the second part (202) is fixedly connected to a insert (15), and the outer wall of the insert (15) is inserted into the bottom of the first part (201) through a slot.

5. A hub motor for an electric scooter with waterproof function according to claim 4, characterized in that, The inner wall of the outer ring (7) is fixedly connected with a protrusion (14), and the outer wall of the protrusion (14) is engaged with the outer wall of the split part (201) through a connecting groove (13).

6. A hub motor for an electric scooter with waterproof function according to claim 5, characterized in that, The inner walls of the casing (1), the first part (201) and the second part (202) are all fixedly connected with fins (11), and the outer walls of the fins (11) abut against the outer walls of the motor components (4).

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