CN201708676U

CN201708676U - Vehicle brushless driving motor

Info

Publication number: CN201708676U
Application number: CN2010202001472U
Authority: CN
Inventors: 蔡国法
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-05-24
Filing date: 2010-05-24
Publication date: 2011-01-12
Anticipated expiration: 2020-05-24

Abstract

The utility model relates to a vehicle brushless driving motor, which comprises a casing, a base, a stator and a rotor. The stator and the rotor are contained inside the casing and coaxially arranged, a Hall element is arranged at the rear end of the stator, a plurality of magnetic steel sheets are evenly distributed on the surface of the rotor, a rear end cover is fixedly connected to the rear end of the casing and closes the rear end of the casing, Hall cavities are arranged on the periphery of a central hole on the rear side of the rear end cover, small Hall components are arranged inside the Hall cavities, small Hall elements of the small Hall element components can penetrate through notches at the bottom of the Hall cavities, the small Hall elements and Hall elements respectively correspond to the same magnetic steel sheets, the Hall elements correspond to the outer edges of the magnetic steel sheets, and the small Hall components correspond to the ends of the magnetic steel sheets. The vehicle brushless driving motor has the advantages of simple structure and convenient replacement.

Description

A kind of vehicle does not have brush drive motor

Technical field

The utility model relates to a kind of vehicle does not have brush drive motor.

Background technology

Motor is the common equipment in daily industry and the life, wherein Hall element is the important no part of stablizing of motor, it also is the most flimsy element, yet one is installed in the bottom of vehicle at powerful vehicle traction motor, and the big good airproof performance of volume, when Hall element damages very mode not of back replacing, can influence the precision of motor after overhauling, thereby influence the operate as normal and the useful life of motor, present brushless electric machine mainly comprises housing, base, front shroud, back cover, composition such as stator and rotor, there are many motors to adopt aluminium casing now to improve the motor radiating performance, though aluminium casing light weight good heat dissipation, but quality is softer, because base is the bottom that directly is fixed on the aluminium casing appearance, the base that the motor strong point is main and the junction of aluminium casing, in the bigger situation of load, housing distortion appears easily, therefore the motor of this aluminium casing can't be applied in the motor of high-power high load capacity, and the motor Heavy Weight of employing cast housing, weak heat-dissipating, and the situation of housing distortion still can occur in the situation of high load capacity, therefore heavy-duty motor adopts brush motor more at present.

Summary of the invention

The purpose of this utility model is to provide a kind of vehicle of new structure not have brush drive motor, and motor adopts two Hall element structures, changes Hall element and only need open back cover and can finish, and has simple in structurely, changes characteristics easily.

The utility model is realized like this: a kind of vehicle does not have brush drive motor, comprise housing, base, stator and rotor, also coaxial setting in the ccontaining housing of stator and rotor, rear end at stator is provided with Hall element, the surface of rotor is distribution plurality of magnetic steel disc evenly, it is characterized in that: the rear end that shell is stopped is fixed with rear end cap, rear end cap is with the housing back-end closure, around the centre bore of the rear side of described rear end cap, be provided with the Hall chamber, be provided with little Hall subassembly in the Hall chamber, the Xiao Huo element of little Hall subassembly can pass from the indentation, there of bottom, Hall chamber, little Hall element and the corresponding identical magnetic links of Hall element difference, wherein Hall element is corresponding with the magnetic links outer rim, and little Hall subassembly is corresponding with the end of magnetic links.

Described little Hall subassembly is made up of little Hall element and fixed mount, and a side of fixed mount is provided with lug boss, and little Hall element just is provided with on this lug boss, and fixedly in the Hall chamber, described lug boss passes from the indentation, there of bottom, Hall chamber fixed mount.

Port is provided with cover plate in the Hall chamber, and the sidewall in Hall chamber is provided with wire hole.

Front end at described housing is fixed with front end housing, described base and front end housing design for one, front end at described rotor shaft is provided with driven wheel, front side at front end housing is fixed with front shroud, be provided with reducing gear in the front shroud, reducing gear is meshed with driven wheel, and the output shaft of reducing gear passes from the axis hole of front shroud front portion.

Described reducing gear comprises some planetary gears and positioning disk, the center of the front side of positioning disk is provided with output shaft, planetary gear is centrosymmetric about output shaft and is arranged on the rear side of positioning disk, some planetary inboards are meshed with driven wheel, the outside is meshed with the fluted disc of front shroud inboard, and the output shaft on the positioning disk passes from the axis hole of front shroud front end.

The utility model is provided with the structure of two Hall elements in the rear end of motor, front end at motor adopts footing and the design of front end housing one to be connected with housing, the two Hall element structures of the present invention are transformed into the pattern that adopts little Hall subassembly work by external cabling when the Hall element of motor internal damages, and little Hall subassembly replacing need not to dismantle motor, can directly on vehicle, change, the replacing process is efficient and convenient, owing to need not to dismantle the motor core component in the replacing process, can guarantee the reliability and stability of the work of motor, the utility model adopts footing and front end housing one project organization in addition, load passes to base by front end housing during with machine operation, no any junction between housing and the base, weight capacity is better and heat radiation is better.

Description of drawings

Fig. 1, structural representation of the present utility model; Fig. 2, part-structure decomposing schematic representation of the present utility model; The structural representation of Fig. 3, the utility model back cover; The structural representation of Fig. 4, the utility model front end.

Embodiment

As Figure 1-3, a kind of vehicle does not have brush drive motor, comprise housing 1, stator 3 and rotor 4, also coaxial setting in stator 3 and the rotor 4 ccontaining housings 1, be provided with Hall element 5 in the rear end of stator 2, the surface of rotor 4 is distribution plurality of magnetic steel disc 41 evenly, shell not 1 rear end is fixed with rear end cap 6, rear end cap 6 is with housing 1 back-end closure, around the centre bore of the rear side of described rear end cap 6, be provided with Hall chamber 61, be provided with little Hall subassembly 7 in the Hall chamber 61, described little Hall subassembly 7 is made up of little Hall element 71 and fixed mount 72, one side of fixed mount 72 is provided with lug boss 73, little Hall element 71 just is provided with on this lug boss 73, fixed mount 72 is fixedly in the Hall chamber 61, described lug boss 73 passes from the breach 62 of 61 bottoms, Hall chamber, little Hall element 71 and Hall element 5 corresponding identical magnetic links 41, wherein Hall element 5 is corresponding with magnetic links 41 outer rims, and little Hall subassembly 7 is corresponding with the end of

magnetic links

41,61 ports are provided with cover plate 63 in the Hall chamber, be provided with wire hole 64 on 61 sidewalls of Hall chamber, the rear side of rear end cap 6 is provided with radiator fan 8, and back cover 9 covers radiator fan 8 and is connected on the rear end cap 6.

As shown in Figure 4, described base 2 designs for one with front end housing 10, front end housing is connected in the front end of housing 1, front end in described rotor 4 rotating shafts is provided with driven wheel 42, be fixed with front shroud 101 in the front side of front end housing 10, be provided with reducing gear 100 in the front shroud 101, described reducing gear 100 comprises some planetary gears 102 and positioning disk 103, the center of the front side of positioning disk 103 is provided with output shaft 104, planetary gear 102 is centrosymmetric about output shaft 104 and is arranged on the rear side of positioning disk 103, the inboard of some planetary gears 102 is meshed with driven wheel 42, the outside is meshed with the fluted disc of front shroud 101 inboards, and the output shaft 104 on the positioning disk 103 passes from the axis hole of front shroud 101 front ends.

The utility model adopts the structure of two Hall elements in the rear end of motor, Hall element 5 and little Hall subassembly 7 parallel designs, corresponding identical respectively magnetic links, guaranteed that Hall element 5 is transformed into little Hall subassembly 7 and need not resets controller, the Hall chamber 61 that little Hall subassembly 7 is installed is arranged on the rear side of rear end cap, make full use of the back cover inner space of motor, structure is quite compact, when Hall element damages, only need by external cabling with regard to replaceable to little Hall subassembly, and when little Hall subassembly 7 damages, only need unload back cover 9, opening Hall chamber end cap 63 is replaceable little Hall subassembly 7, motor demolition from the vehicle need not be got off, change little Hall subassembly 7 and also can not dismantle the motor core component, thereby the reliability of Hall element rear motor work is changed in assurance.

Another characteristics of the utility model adopt the ground of establishing of front end housing 10 and base 2 integrative-structures, the active force of machine operation is passed to base 2 by front end housing, but not by housing 1, housing 1 can adopt the light and soft aluminum hull of quality like this, the area of dissipation of equal volume motor is bigger, weight is lighter, thereby the motor of equal volume can be realized more powerful output; The present invention is after the front end housing front portion has added reducing gear, can increase the output torque of motor greatly, be fit to on the motor application vehicle, with respect to existing motor vehicle motor, after the utility model is fixed on the vehicle, base can bear Fraquent start acceleration operation in vehicle launch and the driving process well, and from heavy and light, output torque is big, start convenient, and energy consumption is lower, increases the motor vehicle ability that continues, and two Hall element structural design M Rs are more convenient.

Claims

1. a vehicle does not have brush drive motor, comprise housing, base, stator and rotor, also coaxial setting in the ccontaining housing of stator and rotor, rear end at stator is provided with Hall element, the surface of rotor is distribution plurality of magnetic steel disc evenly, it is characterized in that: the rear end that shell is stopped is fixed with rear end cap, rear end cap is with the housing back-end closure, around the centre bore of the rear side of described rear end cap, be provided with the Hall chamber, be provided with little Hall subassembly in the Hall chamber, the Xiao Huo element of little Hall subassembly can pass from the indentation, there of bottom, Hall chamber, little Hall element and the corresponding identical magnetic links of Hall element difference, wherein Hall element is corresponding with the magnetic links outer rim, and little Hall subassembly is corresponding with the end of magnetic links.

2. a kind of vehicle as claimed in claim 1 does not have brush drive motor, it is characterized in that: described little Hall subassembly is made up of little Hall element and fixed mount, one side of fixed mount is provided with lug boss, little Hall element just is provided with on this lug boss, fixedly in the Hall chamber, described lug boss passes from the indentation, there of bottom, Hall chamber fixed mount.

3. a kind of vehicle as claimed in claim 1 or 2 does not have brush drive motor, it is characterized in that: port is provided with cover plate in the Hall chamber, and the sidewall in Hall chamber is provided with wire hole.

4. a kind of vehicle as claimed in claim 1 or 2 does not have brush drive motor, it is characterized in that: the front end at described housing is fixed with front end housing, described base and front end housing design for one, front end at described rotor shaft is provided with driven wheel, front side at front end housing is fixed with front shroud, be provided with reducing gear in the front shroud, reducing gear is meshed with driven wheel, and the output shaft of reducing gear passes from the axis hole of front shroud front portion.

5. a kind of vehicle as claimed in claim 4 does not have brush drive motor, it is characterized in that: described reducing gear comprises some planetary gears and positioning disk, the center of the front side of positioning disk is provided with output shaft, planetary gear is centrosymmetric about output shaft and is arranged on the rear side of positioning disk, some planetary inboards are meshed with driven wheel, the outside is meshed with the fluted disc of front shroud inboard, and the output shaft on the positioning disk passes from the axis hole of front shroud front end.