CN211183651U

CN211183651U - Double-shaft extension brushless outer rotor motor

Info

Publication number: CN211183651U
Application number: CN201821709168.XU
Authority: CN
Inventors: 王秋林
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-22
Filing date: 2018-10-22
Publication date: 2020-08-04
Anticipated expiration: 2028-10-22

Abstract

The utility model discloses a brushless external rotor motor is stretched to biax, including the guard box, the equal sliding connection in bottom of guard box inner wall both sides has the slide, and the slide keeps away from one side fixedly connected with bottom plate of guard box, the equal fixedly connected with buffer spring in both sides of bottom plate bottom, buffer spring's bottom and the inner wall fixed connection of guard box. The utility model discloses a set up the slide, the bottom plate, a housing, the fixed plate, buffer spring, the motor shaft, the bearing cap, first spring, the spout, the slide bar, the second spring, the telescopic link, first loose axle, the movable rod, the second loose axle, logical groove, the stator, the cooperation of rotor and opening is used, current biax is stretched brushless external rotor motor when using has been solved, because the during operation can produce unavoidably and rock, cause the internals to damage like this, lead to current biax to stretch brushless external rotor motor problem that the shock attenuation effect is not good when using, the practicality that the brushless external rotor motor was stretched to the biax has been improved.

Description

Double-shaft extension brushless outer rotor motor

Technical Field

The utility model relates to the technical field of motors, specifically be a brushless external rotor motor is stretched to biax.

Background

The motor is a device for converting electric energy into mechanical energy, and is characterized by that it utilizes the energizing coil (i.e. stator winding) to produce rotating magnetic field and make it act on rotor (for example, squirrel-cage closed aluminium frame) to form magnetoelectric power rotating torque, and is divided into D.C. motor and A.C. motor according to different power supplies, and the most of the motors in the power system are A.C. motors, and can be synchronous motor or asynchronous motor (the rotating speed of stator magnetic field and rotating speed of rotor of the motor are not synchronous), and the motor is mainly formed from stator and rotor, and the direction of forced movement of energizing conductor in the magnetic field is related to current direction and magnetic induction line (magnetic field direction), and its working principle is that the magnetic field can apply force to current to make the motor rotate.

The double-shaft extension brushless outer rotor motor belongs to a motor, when the existing double-shaft extension brushless outer rotor motor is used, because the existing double-shaft extension brushless outer rotor motor is inevitably shaken in the working process, internal parts are damaged, the existing double-shaft extension brushless outer rotor motor is poor in damping effect when in use, and the practicability of the double-shaft extension brushless outer rotor motor is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a brushless external rotor motor is stretched to biax possesses the effectual advantage such as of shock attenuation, has solved the current biax and has stretched brushless biography motor problem that the shock attenuation effect is not good when using.

(II) technical scheme

For realizing the effectual purpose of above-mentioned shock attenuation, the utility model provides a following technical scheme: a double-shaft-extension brushless outer rotor motor comprises a protection box, sliding plates are connected to the bottoms of two sides of the inner wall of the protection box in a sliding mode, a bottom plate is fixedly connected to one side, away from the protection box, of each sliding plate, buffer springs are fixedly connected to two sides of the bottom plate, the bottoms of the buffer springs are fixedly connected with the inner wall of the protection box, a shell is fixedly connected to the top of the bottom plate, a motor shaft penetrates through the inner cavity of the shell, one side, away from the shell, of the motor shaft penetrates to the outer side of the protection box, stators are arranged on the top and the bottom of the motor shaft, rotors are arranged on one sides, away from the motor shaft, of the stators, bearing covers matched with the motor shaft for use are fixedly connected to two sides of the shell, a fixing plate is fixedly connected to the top of the, the utility model discloses a safety protection device for a vehicle, including fixed plate, telescopic link, first movable shaft swing joint, second spring, the surface cover of telescopic link is equipped with the second spring, the bottom of second spring and the top fixed connection of fixed plate, the top of second spring and the inner wall fixed connection of guard box, the both sides on fixed plate surface all have the movable rod through second movable shaft swing joint, one side that the fixed plate was kept away from to the movable rod has the slide bar through first movable shaft swing joint, the first spring of one side fixedly connected with of movable rod is kept away from to the slide bar, the inner wall fixed connection of one side and guard box of slide bar.

Preferably, the both sides at protection incasement wall top all seted up with the spout that the slide bar cooperation was used, the inner wall of spout and the top sliding connection of slide bar.

Preferably, the both sides of guard box all set up with the motor shaft cooperation use lead to the groove.

Preferably, the both sides of casing all seted up with the motor shaft cooperation opening of using.

(III) advantageous effects

Compared with the prior art, the utility model provides a brushless external rotor motor is stretched to biax possesses following beneficial effect:

1. the utility model discloses a set up the guard box, the slide, the bottom plate, a housing, the fixed plate, buffer spring, the motor shaft, the bearing cap, first spring, the spout, the slide bar, the second spring, the telescopic link, first loose axle, the movable rod, the second loose axle, logical groove, the stator, the cooperation of rotor and opening is used, current biax is stretched brushless external rotor electric motor has been solved and when using, because during operation can be difficult for producing and rock, cause the internals to damage like this, lead to current biax to stretch brushless external rotor electric motor problem that the shock attenuation effect is not good when using, the practicality that the biax stretched brushless external rotor electric motor has been improved.

2. The utility model discloses a set up the spout, made things convenient for the slip of slide bar in the guard box, reduced the frictional force between slide bar and the guard box, prolonged the life of part, through setting up logical groove, made things convenient for the slip of motor shaft in the guard box, reduced the frictional force between motor shaft and the guard box, prolonged the life of part, through setting up the opening, made things convenient for the slip of motor shaft in the casing, reduced the frictional force between motor shaft and the guard box, prolonged the life of part.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the structural shell of the present invention.

In the figure: the device comprises a protection box 1, a sliding plate 2, a bottom plate 3, a shell 4, a fixing plate 5, a buffer spring 6, a motor shaft 7, a bearing cover 8, a first spring 9, a sliding groove 10, a sliding rod 11, a second spring 12, a telescopic rod 13, a first movable shaft 14, a movable rod 15, a second movable shaft 16, a through groove 17, a stator 18, a rotor 19 and a through opening 20.

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. 1-2, a double-shaft brushless external rotor motor comprises a protection box 1, sliding plates 2 are slidably connected to the bottoms of both sides of the inner wall of the protection box 1, a bottom plate 3 is fixedly connected to one side of the sliding plates 2 away from the protection box 1, buffer springs 6 are fixedly connected to both sides of the bottom plate 3, the bottoms of the buffer springs 6 are fixedly connected to the inner wall of the protection box 1, a housing 4 is fixedly connected to the top of the bottom plate 3, a motor shaft 7 penetrates through the inner cavity of the housing 4, through holes 20 matched with the motor shaft 7 are formed in both sides of the housing 4, sliding of the motor shaft 7 in the housing 4 is facilitated by the through holes 20, friction between the motor shaft 7 and the protection box 1 is reduced, service life of parts is prolonged, one side of the motor shaft 7 away from the housing 4 penetrates to the outer side of the protection box 1, through grooves 17 matched with the motor, through the through groove 17, the sliding of the motor shaft 7 in the protection box 1 is facilitated, the friction force between the motor shaft 7 and the protection box 1 is reduced, the service life of parts is prolonged, stators 18 are arranged at the top and the bottom of the motor shaft 7, a rotor 19 is arranged at one side of each stator 18 away from the motor shaft 7, bearing covers 8 matched with the motor shaft 7 for use are fixedly connected to both sides of the shell 4, a fixed plate 5 is fixedly connected to the top of the shell 4, a telescopic rod 13 is fixedly connected to the top of the fixed plate 5, the top of the telescopic rod 13 is fixedly connected to the inner wall of the protection box 1, a second spring 12 is sleeved on the surface of the telescopic rod 13, the bottom of the second spring 12 is fixedly connected to the top of the fixed plate 5, the top of the second spring 12 is fixedly connected to the inner wall of the protection box 1, and movable rods 15 are movably connected, one side of the movable rod 15, which is far away from the fixed plate 5, is movably connected with a slide rod 11 through a first movable shaft 14, a chute 10 matched with the slide rod 11 for use is arranged on both sides of the top of the inner wall of the protective box 1, the inner wall of the chute 10 is slidably connected with the top of the slide rod 11, the slide rod 11 is convenient to slide in the protective box 1 by arranging the chute 10, the friction force between the slide rod 11 and the protective box 1 is reduced, the service life of a part is prolonged, one side of the slide rod 11, which is far away from the movable rod 15, is fixedly connected with a first spring 9, one side of the slide rod 11, which is far away from the first spring 9, is fixedly connected with the inner wall of the protective box 1, the utility model discloses a protective box 1, a slide plate 2, a bottom plate 3, a shell 4, a fixed plate 5, a buffer spring 6, a motor shaft 7, a bearing cover 8, the cooperation of movable rod 15, second loose axle 16, logical groove 17, stator 18, rotor 19 and opening 20 is used, has solved current biax and has stretched brushless external rotor electric motor when using, because the during operation can be difficult for exempting from to produce and rock, causes the internals to damage like this, leads to current biax to stretch brushless external rotor electric motor the not good problem of shock attenuation effect when using, has improved the practicality that the biax stretched brushless external rotor electric motor.

When using, rock through the work production of motor shaft 7, casing 4 removes, casing 4's removal drives bottom plate 3 and removes, bottom plate 3's removal drives slide 2 and removes, bottom plate 3's removal makes buffer spring 6 take place to deform, removal through casing 4 drives fixed plate 5 and removes, fixed plate 5's removal drives movable rod 15 and removes, movable rod 15's removal drives slide bar 11 and slides in spout 10, the removal through slide bar 11 makes first spring 9 take place to deform, removal through fixed plate 5 makes telescopic link 13 stretch out and draw back, telescopic link 13's flexible second spring 12 takes place to deform, the effectual advantage of shock attenuation has been reached like this.

In conclusion, the double-shaft extension brushless external rotor motor solves the problem that the existing double-shaft extension brushless external transmission motor is poor in damping effect when in use through the matching use of the protection box 1, the sliding plate 2, the bottom plate 3, the shell 4, the fixing plate 5, the buffer spring 6, the motor shaft 7, the bearing cover 8, the first spring 9, the sliding groove 10, the sliding rod 11, the second spring 12, the telescopic rod 13, the first movable shaft 14, the movable rod 15, the second movable shaft 16, the through groove 17, the stator 18, the rotor 19 and the through opening 20.

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 brushless external rotor motor is stretched to biax, includes guard box (1), its characterized in that: the motor protection device is characterized in that sliding plates (2) are connected to the bottoms of two sides of the inner wall of the protection box (1) in a sliding mode, a bottom plate (3) is fixedly connected to one side, away from the protection box (1), of each sliding plate (2), buffer springs (6) are fixedly connected to the two sides of the bottom of each bottom plate (3), the bottoms of the buffer springs (6) are fixedly connected with the inner wall of the protection box (1), a shell (4) is fixedly connected to the top of each bottom plate (3), a motor shaft (7) penetrates through the inner cavity of each shell (4), one side, away from the shell (4), of each motor shaft (7) penetrates through the outer side of the protection box (1), stators (18) are arranged at the top and the bottom of each motor shaft (7), a rotor (19) is arranged on one side, away from the motor shaft (7), of each stator (18), and bearing covers (8), the top of the shell (4) is fixedly connected with a fixed plate (5), the top of the fixed plate (5) is fixedly connected with a telescopic rod (13), the top of the telescopic rod (13) is fixedly connected with the inner wall of the protection box (1), a second spring (12) is sleeved on the surface of the telescopic rod (13), the bottom of the second spring (12) is fixedly connected with the top of the fixed plate (5), the top of the second spring (12) is fixedly connected with the inner wall of the protection box (1), two sides of the surface of the fixed plate (5) are movably connected with movable rods (15) through second movable shafts (16), one side of the movable rod (15) far away from the fixed plate (5) is movably connected with a slide rod (11) through a first movable shaft (14), one side of the sliding rod (11) far away from the movable rod (15) is fixedly connected with a first spring (9), one side of the first spring (9) far away from the sliding rod (11) is fixedly connected with the inner wall of the protection box (1).

2. The double-shaft-extension brushless external rotor motor according to claim 1, wherein: the two sides of the top of the inner wall of the protection box (1) are provided with sliding grooves (10) matched with the sliding rods (11) for use, and the inner wall of each sliding groove (10) is connected with the top of each sliding rod (11) in a sliding mode.

3. The double-shaft-extension brushless external rotor motor according to claim 1, wherein: both sides of the protection box (1) are provided with through grooves (17) matched with the motor shaft (7).

4. The double-shaft-extension brushless external rotor motor according to claim 1, wherein: both sides of the shell (4) are provided with through openings (20) matched with the motor shaft (7).