CN212115110U - Ultrathin motor for automobile condenser fan - Google Patents

Abstract

The utility model discloses an ultra-thin motor for car condenser fan, including the motor protecgulum, lid and electric motor rotor behind the motor, the motor protecgulum is equipped with the holding chamber and is equipped with the flat permanent magnet of laminating in holding chamber bottom, electric motor rotor includes the motor shaft that stretches out from the motor protecgulum and seals up the coil in the insulating layer and constitute, the winding is coiled into flat annular by the copper wire, be equipped with the commutator of being connected with copper wire in the winding on the insulating layer, the commutator is installed in the lid behind the motor through the bearing, cover behind the motor and set up the enclosing cover, have the carbon brush of being connected with the commutator contact in the enclosing cover, compare with prior art, the utility model discloses utilize to coil into flat annular winding by the copper wire, realize no iron core coil to save traditional stator structure, can be when keeping great power output, can not make the motor have too much energy consumption again.

Description

Ultrathin motor for automobile condenser fan

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of motor accessories, especially an ultra-thin motor for car condenser fan.

[ 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 known motor generally comprises a cylindrical permanent magnet, a stator, a rotor and a lower end cover which are arranged in an upper end cover, wherein the structure of the stator and the structure of the rotor are generally formed by overlapping a plurality of punching sheets and winding coils, so that the integral thickness of the rotor is large, the integral volume of the motor is influenced, and the motor cannot be ultrathin. In order to make the motor become more flat, the ultra-thin motor in the prior art is generally realized by shortening the lengths of the stator and 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 among the prior art, providing an ultra-thin motor for car condenser fan, when can keeping great power output, reduce whole thickness.

In order to achieve the purpose, the utility model provides an ultra-thin motor for an automobile condenser fan, which comprises a motor front cover, a motor rear cover and a motor rotor, the front cover of the motor is provided with an accommodating cavity and a flat permanent magnet attached to the bottom of the accommodating cavity, the motor rear cover box is arranged on the motor front cover and fixes the motor rotor between the motor front cover and the motor rear cover box, the motor rotor comprises a motor shaft extending out of the motor front cover and a coil sealed in an insulating layer, the coil is composed of a plurality of windings which are in annular array by taking the motor shaft as the center, the windings are wound into a flat annular shape by copper wires, the insulating layer is provided with a commutator connected with the copper wire in the winding, the commutator is arranged in the rear cover of the motor through a bearing, an outer cover is arranged on the motor rear cover, and a carbon brush in contact connection with the commutator is arranged in the outer cover.

Preferably, a raised containing groove is formed in the rear cover of the motor, an opening is formed in the containing groove, and the commutator of the motor rotor is located in the containing groove and is in contact connection with the carbon brush.

Preferably, the end of the motor shaft extends out of the center of the commutator and is provided with a bearing, and the bearing is matched and connected with the accommodating groove, so that the motor rotor is rotatably installed between the motor front cover and the motor rear cover.

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

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.

The utility model has the advantages that: compared with the prior art, the utility model discloses the utilization is coiled into flat annular winding by the copper wire, realizes no iron core coil to save traditional stator structure, can reduce whole thickness keeping great power output, can not make the motor have too much energy consumption again, the insulating layer is connected coil, motor shaft and commutator and is an organic whole, the whole assembly of the motor of not only being convenient for, has also improved the stability of operation 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 cross-sectional view of the present invention;

fig. 2 is a schematic structural diagram of a motor rotor in the present invention;

fig. 3 is a schematic structural view of the rear cover of the motor in the present invention;

FIG. 4 is a schematic structural view of the outer cover of the present invention;

fig. 5 is a schematic structural diagram of the present invention;

in the figure: 1-motor front cover, 2-motor rear cover, 3-permanent magnet, 4-motor shaft, 5-insulating layer, 6-winding, 7-commutator, 8-outer cover, 9-carbon brush, 10-containing groove, 11-opening and 12-commutator segment.

[ detailed description ] embodiments

Referring to fig. 1 to 5, the utility model discloses a lid 2 and electric motor rotor behind motor protecgulum 1, the motor protecgulum 1 is equipped with the holding chamber and is equipped with the laminating and is in the flat permanent magnet 3 of holding chamber bottom, lid 2 lid box is fixed electric motor rotor between the two on motor protecgulum 1 behind the motor, electric motor rotor includes motor shaft 4 and the coil of sealing in insulating layer 5 that stretches out from motor protecgulum 1, the coil comprises a plurality of windings 6 that are the annular array with motor shaft 4 as the center, winding 6 is coiled into flat annular by the copper wire, be equipped with on the insulating layer 5 with commutator 7 that the copper wire is connected in winding 6, commutator 7 installs in lid 2 behind the motor, set up enclosing cover 8 behind the motor on lid 2, have the carbon brush 9 of being connected with commutator 7 contact in enclosing cover 8, motor shaft 4, The coil, the insulating layer 5 and the commutator 7 are connected into a whole. Two adjacent windings 6 are partially overlapped, the windings 6 are sealed in a flat insulating layer 5, and the insulating layer 5 is made of known materials such as epoxy resin, 3M electrical insulating resin and the like. The carbon brush 9 is arranged in the outer cover 8, and after the cover with the same axle center of the outer cover 8 is arranged on the rear cover 2 of the motor, the carbon brush 9 can be in contact connection with the commutator 7.

Specifically, a raised containing groove 10 is formed in the motor rear cover 2, an opening 11 is formed in the containing groove 10, and the commutator 7 of the motor rotor is located in the containing groove 10 and is in contact connection with the carbon brush 9. The tail end of the motor shaft 4 extends out of the center of the commutator 7 and is provided with a bearing, and the bearing is matched and connected with the accommodating groove 10, so that the motor rotor is rotatably arranged between the motor front cover 1 and the motor rear cover 2. The insulating layer 5 and the commutator 7 are coaxially connected together, and the copper wire of the winding 6 is connected to a commutator segment 12 of the commutator 7. The containing groove 10 achieves the function of fixing a bearing seat of a bearing, so that a motor rotor can rotate stably between the motor front cover 1 and the motor rear cover 2, and meanwhile, the opening 11 is utilized to enable the carbon brush 9 to penetrate through the opening 11 to be in contact connection with a commutator bar 12 in the commutator 7 after the cover with the same axis as the outer cover 8 is arranged on the motor rear cover 2.

Claims (5)

1. The utility model provides an ultra-thin motor for car condenser fan, lid (2) and electric motor rotor behind including motor protecgulum (1), motor, its characterized in that, motor protecgulum (1) is equipped with the holding chamber and is equipped with the laminating and is in flat permanent magnet (3) of holding chamber bottom, lid (2) lid box is fixed electric motor rotor between the two on motor protecgulum (1) behind the motor, electric motor rotor includes motor shaft (4) and the sealed coil in insulating layer (5) that stretches out in motor protecgulum (1) and constitutes, the coil comprises a plurality of windings (6) that are the annular array with motor shaft (4) as the center, winding (6) are coiled into flat annular by the copper wire, be equipped with on insulating layer (5) with commutator (7) that the copper wire is connected in winding (6), commutator (7) are installed in motor protecgulum (2), an outer cover (8) is arranged on the motor rear cover (2), and a carbon brush (9) in contact connection with the commutator (7) is arranged in the outer cover (8).

2. The ultra-thin motor for a condenser fan of an automobile of claim 1, wherein: the motor rear cover (2) is provided with a raised containing groove (10), the containing groove (10) is provided with an opening (11), and the commutator (7) of the motor rotor is positioned in the containing groove (10) and is in contact connection with the carbon brush (9).

3. The ultra-thin motor for a condenser fan of an automobile of claim 2, wherein: the tail end of the motor shaft (4) extends out of the center of the commutator (7) and is provided with a bearing, and the bearing is matched and connected with the accommodating groove (10) so that the motor rotor is rotatably arranged between the motor front cover (1) and the motor rear cover (2).

4. The ultra-thin motor for a condenser fan of an automobile of claim 1, wherein: the motor shaft (4), the coil, the insulating layer (5) and the commutator (7) are connected into a whole.

5. The ultra-thin motor for a condenser fan of an automobile of claim 1, wherein: the insulating layer (5) and the commutator (7) are coaxially connected together, and copper wires of the winding (6) are connected to commutator segments (12) of the commutator (7).

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