CN210390757U

CN210390757U - Dustproof positioning structure of hub type motor for electric vehicle

Info

Publication number: CN210390757U
Application number: CN201921400485.8U
Authority: CN
Inventors: 张占敏; 宫忠玲
Original assignee: Tianjin Boshen Electric Machinery Manufacturing Co Ltd
Current assignee: Tianjin Boshen Electric Machinery Manufacturing Co Ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-04-24
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a dustproof location structure of wheel hub motor for electric motor car, including motor body, mounting bracket and motor shaft, bolt and motor body's one side fixed connection is passed through to one side of mounting bracket, one side of mounting bracket and the fixed surface that is located the motor shaft are connected with limit sleeve, and the fixed slot has all been seted up to the top and the bottom of limit sleeve inner wall, one side fixedly connected with slide bar of fixed slot inner wall, the utility model relates to a wheel hub motor technical field. This dustproof location structure of wheel hub motor for electric motor car can realize having played certain limiting displacement to the motor shaft at the pivoted in-process for the rock nature of motor shaft reduces, has guaranteed the accuracy nature of location between follow-up brake caliper and the dish of stopping, and the oil blanket is wrapped up in by the rotating cover simultaneously, can effectively avoid the oil blanket to contact dirt such as muddy water, has prolonged the life of this oil blanket, has created good condition for subsequent normal use work.

Description

Dustproof positioning structure of hub type motor for electric vehicle

Technical Field

The utility model relates to a wheel hub formula motor technical field specifically is a dustproof location structure of wheel hub formula motor for electric motor car.

Background

The wheel hub motor technology is also called as in-wheel motor technology, and the most important characteristic of the wheel hub motor technology is that a power device, a transmission device and a braking device are all integrated into a wheel hub, so that the mechanical part of an electric vehicle is greatly simplified, and a wheel hub motor driving system is mainly divided into two structural types according to the rotor type of a motor: the inner rotor type adopts a high-speed inner rotor motor, a speed reducer with a fixed transmission ratio is arranged, in order to obtain higher power density, the rotating speed of the motor can reach 10000r/min, and the inner rotor type hub motor has higher competitive power density than the low-speed outer rotor type along with the appearance of a more compact planetary gear speed reducer.

The development of in-wheel motor technique has more and more matured, can realize the braking to the electric motor car when the tight dish of stopping of braking calliper on the motor shaft presss from both sides, because the long-time rotation of motor shaft, thereby sudden braking makes braking calliper can not accurate and dish to stop and fix a position between the dish because rocking of the motor shaft easily to influence braking effect, the inside of motor shaft is provided with the oil blanket simultaneously, thereby the long-time problem that exposes in with the air and contact dirt such as outside muddy water easily of oil blanket has reduced its life.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a dustproof location structure of wheel hub motor for electric motor car has solved the rock nature of motor shaft and has made easily that brake caliper can not be accurate and dish to stop and fix a position between the dish to and the oil blanket expose for a long time and contact dirt such as outside muddy water in the air easily, thereby reduced its life's problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a dustproof location structure of wheel hub motor for electric motor car, includes motor body, mounting bracket and motor shaft, one side fixed connection of bolt and motor body is passed through to one side of mounting bracket, one side of mounting bracket and the fixed surface that is located the motor shaft are connected with limit sleeve, and the fixed slot has all been seted up to the top and the bottom of limit sleeve inner wall, one side fixedly connected with slide bar of fixed slot inner wall, the equal sliding connection in both sides on slide bar surface has the sliding block, and the equal fixedly connected with fastening washer in inside of sliding block, the fixed slot is run through and is extended to the outside of fixed slot in one side of sliding block, the sliding block extends to the outside one side fixedly connected with locating sleeve of.

Preferably, the one end threaded connection that the mounting bracket was kept away from to spacing sleeve has the rotation lid, and the through-hole with the motor shaft adaptation is seted up to the inside of rotating the lid.

Preferably, the inner wall of the through hole is fixedly connected with a sealing ring, and one side of the rotating cover close to the limiting sleeve is fixedly connected with an oil seal.

Preferably, the inner wall of the sliding block is fixedly connected with a fastening washer, and the inside of the positioning sleeve is movably connected with an arc-shaped plate.

Preferably, the bottom fixedly connected with rubber circle of arc, the screw hole of looks adaptation is all seted up with the top of arc at the top of position sleeve.

Preferably, a screw is screwed into the threaded hole.

Advantageous effects

The utility model provides a dustproof location structure of wheel hub formula motor for electric motor car. Compared with the prior art, the method has the following beneficial effects:

(1) the dustproof positioning structure of the hub type motor for the electric vehicle is fixedly connected with one side of a motor body through a bolt through one side of a mounting frame, a limiting sleeve is fixedly connected to one side of the mounting frame and positioned on the surface of a motor shaft, fixing grooves are formed in the top and the bottom of the inner wall of the limiting sleeve, a sliding rod is fixedly connected to one side of the inner wall of the fixing groove, sliding blocks are slidably connected to two sides of the surface of the sliding rod respectively, a fastening gasket is fixedly connected to the inner part of each sliding block, one side of each sliding block penetrates through the fixing groove and extends to the outer part of the fixing groove, a positioning sleeve is fixedly connected to one side of each sliding block extending to the outer part of the fixing groove, a rotating cover is connected to one end, far away from the mounting frame, of each limiting sleeve through hole matched with the motor, can realize having played certain limiting displacement to the motor shaft at the pivoted in-process for the rock nature of motor shaft reduces, has guaranteed the accuracy nature of follow-up brake caliper and dish location between the dish of stopping, and the oil blanket is wrapped up in by the rotating cover simultaneously, can effectively avoid the oil blanket to contact dirt such as muddy water, has prolonged the life of this oil blanket, has created good condition for subsequent normal use work.

(2) This dustproof location structure of wheel hub motor for electric motor car, inner wall fixedly connected with fastening washer through the sliding block, the inside swing joint of positioning sleeve has the arc, the bottom fixedly connected with rubber circle of arc, the screw hole of looks adaptation is all seted up at positioning sleeve's top and the top of arc, can realize conveniently maintaining or changing the inside rubber circle of positioning sleeve, thereby avoid long-term the use back, thereby the friction causes the wearing and tearing of certain degree between the surface of motor shaft and the rubber circle.

Drawings

Fig. 1 is a front view of the structure of the present invention;

fig. 2 is a sectional view of the structure of the limiting sleeve of the present invention;

FIG. 3 is a side view of the positioning sleeve and the inner structure of the arc plate of the present invention;

fig. 4 is a side view of the sliding block structure of the present invention;

fig. 5 is a perspective view of the rotating cover structure of the present invention.

In the figure: 1-a motor body, 2-a mounting frame, 3-a motor shaft, 4-a limiting sleeve, 5-a fixing groove, 6-a sliding rod, 7-a sliding block, 8-a fastening washer, 9-a positioning sleeve, 10-a rotating cover, 11-a through hole, 12-a sealing ring, 13-an oil seal, 14-an arc plate, 15-a rubber ring, 16-a threaded hole, 17-a screw and 18-a bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a dustproof positioning structure of a hub type motor for an electric vehicle can realize a certain limiting effect on a motor shaft 3 in a rotating process, so that the sloshing of the motor shaft 3 is reduced, the positioning accuracy between a subsequent brake caliper and a disc brake disc is ensured, meanwhile, an oil seal 13 is wrapped by a rotating cover 10, the oil seal 13 can be effectively prevented from contacting dirt such as muddy water and the like, the service life of the oil seal 13 is prolonged, and good conditions are created for subsequent normal use work, the dustproof positioning structure comprises a motor body 1, a mounting frame 2 and the motor shaft 3, one side of the mounting frame 2 is fixedly connected with one side of the motor body 1 through a bolt 18, one end, away from the mounting frame 2, of a limiting sleeve 4 is in threaded connection with the rotating cover 10, a through hole 11 matched with the motor shaft 3 is formed in the rotating cover 10, a sealing ring 12 is fixedly connected to the inner wall of the through hole 11, one side, close to the, a limiting sleeve 4 is fixedly connected to one side of the mounting frame 2 and the surface of the motor shaft 3, fixing grooves 5 are formed in the top and the bottom of the inner wall of the limiting sleeve 4, a sliding rod 6 is fixedly connected to one side of the inner wall of the fixing groove 5, sliding blocks 7 are slidably connected to both sides of the surface of the sliding rod 6, fastening washers 8 are fixedly connected to the inner portions of the sliding blocks 7, the fastening washers 8 are fixedly connected to the inner wall of the sliding blocks 7, and have certain fastening performance, so that the problem that the positioning sleeve 9 is easy to move when the motor shaft 3 rotates can be solved, an arc-shaped plate 14 is movably connected to the inside of the positioning sleeve 9, a rubber ring 15 is fixedly connected to the bottom of the arc-shaped plate 14, screw holes 16 matched with the top of the positioning sleeve 9 and the top of the arc-shaped plate 14 are formed in the top of, avoid long-term after using, thereby friction causes the wearing and tearing of certain degree between the surface of motor shaft 3 and the rubber circle 15, and the internal thread of screw hole 16 is connected with screw 17, and one side of sliding block 7 runs through fixed slot 5 and extends to the outside of fixed slot 5, and sliding block 7 extends to one side fixedly connected with locating sleeve 9 of fixed slot 5 outside.

During the use, when motor shaft 3 rotates, the setting of position sleeve 9 and rubber circle 15 can prevent that motor shaft 3 from appearing the problem of shaking nature easily, rotate simultaneously and cover 10 and sealing washer 12 set up and can effectively avoid oil blanket 13 to contact with external muddy water, when the inside rubber circle 15 of position sleeve 9 takes place to damage, will rotate and cover 10 and rotate and come out, make sliding block 7 on the position sleeve 9 slide out along slide bar 6, it makes arc 14 be in the state of freedom to rotate screw 17 again, alright in order to change rubber circle 15, just so accomplished whole work.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dustproof location structure of wheel hub motor for electric motor car, includes motor body (1), mounting bracket (2) and motor shaft (3), bolt (18) and one side fixed connection of motor body (1) are passed through to one side of mounting bracket (2), its characterized in that: one side of mounting bracket (2) and the fixed surface that is located motor shaft (3) are connected with limiting sleeve (4), and fixed slot (5) have all been seted up to the top and the bottom of limiting sleeve (4) inner wall, one side fixedly connected with slide bar (6) of fixed slot (5) inner wall, the equal sliding connection in both sides on slide bar (6) surface has sliding block (7), and the equal fixedly connected with fastening washer (8) in inside of sliding block (7), one side of sliding block (7) is run through fixed slot (5) and is extended to the outside of fixed slot (5), sliding block (7) extend to one side fixedly connected with positioning sleeve (9) of fixed slot (5) outside.

2. The dustproof positioning structure of the hub motor for the electric vehicle according to claim 1, wherein: one end threaded connection that mounting bracket (2) were kept away from in spacing sleeve (4) has rotation lid (10), and rotates the inside of lid (10) and set up through-hole (11) with motor shaft (3) looks adaptation.

3. The dustproof positioning structure of the hub motor for the electric vehicle according to claim 2, wherein: the inner wall of through-hole (11) fixedly connected with sealing washer (12), rotate one side fixedly connected with oil blanket (13) that lid (10) is close to spacing sleeve (4).

4. The dustproof positioning structure of the hub motor for the electric vehicle according to claim 1, wherein: the inner wall fixedly connected with fastening washer (8) of sliding block (7), the inside swing joint of position sleeve (9) has arc (14).

5. The dustproof positioning structure of the hub motor for the electric vehicle according to claim 4, wherein: the bottom fixedly connected with rubber circle (15) of arc (14), screw hole (16) of looks adaptation are all seted up with the top of arc (14) to the top of position sleeve (9).

6. The dustproof positioning structure of the hub motor for the electric vehicle according to claim 5, wherein: the screw (17) is connected with the inner thread of the threaded hole (16).