CN210898887U

CN210898887U - Rotor of ultrathin motor

Info

Publication number: CN210898887U
Application number: CN201922011830.5U
Authority: CN
Inventors: 林有泉; 林武
Original assignee: Zhejiang Youquan Auto Parts Co ltd
Current assignee: Zhejiang Youquan Auto Parts Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-06-30
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses a rotor of an ultrathin motor, relating to the technical field of motor accessories and comprising a motor shaft and a coil arranged on the motor shaft, the coil is composed of a plurality of windings which take the motor shaft as the center and are in an annular array, a flat insulating layer for fixing the coil is arranged on the coil, the motor shaft is limited and fixed at the center of the insulating layer, the winding is coiled into a flat ring shape by a copper wire, the insulating layer is provided with a commutator connected with the copper wire in the winding, compared with the prior art, the operation principle of the utility model is the same as that of the brush direct current motor, the flat annular winding coiled by the copper wire is utilized to realize the coreless coil, keep larger power output and avoid excessive energy consumption of the motor, by fixing the coils in the insulating layer, not only is the integral connection realized, but also the stability of the rotation of the rotor is improved.

Description

Rotor of ultrathin motor

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of motor accessories, especially a rotor of ultra-thin motor.

[ background of the invention ]

The ultrathin motor is flat, and is generally applied to narrower working environments such as automobile condenser fans and the like. The rotor among the prior art generally includes motor shaft, rotor core, coil and commutator and constitutes, and rotor core's structure is formed by a plurality of rotor punching stacks usually, leads to the whole thickness of rotor great, influences the holistic volume of motor, can't realize that the motor is ultra-thin form. In order to make the motor become more flat, the ultra-thin motor in the prior art is generally realized by shortening the length of the rotor, so that the length of the coil wound on the rotor core is also greatly reduced, the energy consumption of the motor is increased, the power is reduced, and the cooling effect of the condenser fan is reduced.

[ Utility model ] content

The utility model aims at solving the problem in the prior art, providing a rotor of ultra-thin motor, can keep great power output and reduce whole thickness, the ultra-thin motor's of being convenient for use.

In order to realize the above purpose, the utility model provides a rotor of ultra-thin motor, be in including motor shaft and setting the epaxial coil of motor, the coil comprises a plurality of windings that use the motor shaft to be annular array as the center, be equipped with on the coil and fix its platykurtic insulating layer including, the motor shaft is spacing to be fixed the center of insulating layer, the winding is coiled into flat annular by the copper wire, be equipped with on the insulating layer with the commutator that the copper wire is connected in the winding.

Preferably, the insulating layer and the commutator are coaxially connected together, and copper wires of the windings are connected to commutator segments of the commutator.

Preferably, the motor shaft is fixed perpendicular to the coil and extends toward both ends, and a front end of the motor shaft is adapted to protrude from the motor housing.

Preferably, the end of the motor shaft protrudes from the center of the commutator and is provided with a bearing.

Preferably, the motor shaft, the coil, the insulating layer and the commutator are integrally connected.

The utility model has the advantages that: compared with the prior art, the utility model discloses an operation principle is the same with brush DC motor, utilizes and is coiled into flat ring winding by the copper wire, realizes no iron core coil, keeps great power output, can not make the motor have too much energy consumption again, through fixing the coil in the insulating layer, not only realizes holistic connection, has also improved the rotatory stability of rotor simultaneously.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a right side view of FIG. 1;

in the figure: 1-motor shaft, 2-coil, 3-winding, 4-insulating layer, 5-commutator, 6-commutator segment and 7-bearing.

[ detailed description ] embodiments

Referring to fig. 1 to 3, the utility model discloses a motor shaft 1 is in with the setting coil 2 on the motor shaft 1, coil 2 comprises a plurality of windings 3 that use motor shaft 1 to be annular array as the center, has partially to superpose together between two adjacent windings 3, be equipped with on coil 2 and fix its platykurtic insulating layer 4 including, this insulating layer 4 adopts materials such as epoxy, 3M electrical insulation resin to make, motor shaft 1 is spacing to be fixed the center of insulating layer 4, winding 3 is coiled into flat annular by the copper wire, be equipped with on the insulating layer 4 with commutator 5 that the copper wire is connected in winding 3. The flat annular winding 3 wound by the copper wire is utilized to realize the coreless coil structure and reduce the whole volume of the rotor.

Specifically, the insulating layer 4 and the commutator 5 are coaxially connected together, and the copper wire of the winding 3 is connected to a commutator segment 6 of the commutator 5. Wherein the specific structure of the commutator 5 is the prior art,

specifically, the motor shaft 1 is vertically fixed to the coil 2 and extends towards two ends, and the front end of the motor shaft 1 is used for extending out of the motor shell. The front end of the motor shaft 1 can be directly arranged in the shell of the motor to be used as an output shaft.

Specifically, the end of the motor shaft 1 extends from the center of the commutator 5 and is provided with a bearing 7.

Specifically, the motor shaft 1, the coil 2, the insulating layer 4 and the commutator 5 are connected into a whole.

Claims

1. The utility model provides a rotor of ultra-thin motor, includes motor shaft (1) and sets up coil (2) on motor shaft (1), its characterized in that: coil (2) are by a plurality of windings (3) that are the annular array with motor shaft (1) as the center and constitute, be equipped with on coil (2) and fix flat form insulating layer (4) including it, motor shaft (1) is spacing to be fixed the center of insulating layer (4), winding (3) are coiled into flat annular by the copper wire, be equipped with on insulating layer (4) with commutator (5) that the copper wire is connected in winding (3).

2. The ultra-thin motor rotor as recited in claim 1, wherein: the insulating layer (4) and the commutator (5) are coaxially connected together, and copper wires of the winding (3) are connected to commutator segments (6) of the commutator (5).

3. The rotor of an ultra-thin motor as recited in claim 1 or 2, wherein: the motor shaft (1) and the coil (2) are vertically fixed and extend towards two ends, and the front end of the motor shaft (1) is used for extending out of the motor shell.

4. The ultra-thin motor rotor as recited in claim 3, wherein: the tail end of the motor shaft (1) extends out of the center of the commutator (5) and is provided with a bearing (7).

5. The ultra-thin motor rotor as recited in claim 1, wherein: the motor shaft (1), the coil (2), the insulating layer (4) and the commutator (5) are connected into a whole.