KR101908550B1 - Method for assembling blower motor - Google Patents

Abstract

A first step of assembling a motor comprising an end cover assembly including an armature and an end cover according to the present invention and a front cover assembly including a front cover; And a second step of assembling a blower motor including a fan to a motor assembled by the step 1, and more particularly, to a method of assembling a blower motor assembled by a one-step process A step 2-1 of assembling a sleeve of an insulator at the front and rear ends of the motor; Step 2-2 of assembling the flange and the flange cover to the end cover assembly; And assembling the fan assembly to the front cover assembly.
INDUSTRIAL APPLICABILITY As described above, the present invention has a remarkable effect in that the assembling process is simple and productivity can be improved, and vibration absorption and cooling efficiency are improved.

Description

[0001] The present invention relates to a method for assembling a blower motor,

A first step of assembling a motor comprising an end cover assembly including an armature and an end cover according to the present invention and a front cover assembly including a front cover; And a two-step process of assembling a blower motor including a fan to the motor assembled by the one-step process.

There has been developed a blower motor in which a fan is mounted in a motor to discharge heat generated inside the motor to the outside.

Prior art of such a blower motor is disclosed in Korean Patent Publication No. 2011-0021034, which is a brush holder assembly which is housed in a housing for supplying external power to an armature assembly, comprising: a seating groove portion on which a commutator is seated; A brush holder portion formed on the side of the seating groove portion such that a brush inserted into the guide hole is in contact with a side wall of the commutator; And a fixing unit having a fixing unit connected to the seating groove through an elastic connection and coupled to the housing.

Another conventional art is an assembly of a blower motor of an automotive air conditioner in which a housing of a blower motor is fitted and accommodated in a housing portion of a motor cover having a flange in a public utility model publication No. 2009-0005727, Wherein a plurality of insertion grooves are formed in the inner surface of the housing of the motor cover, and the insertion groove is fitted with a vibration preventing member to block vibrations transmitted from the blower motor to the motor cover, And an insertion groove into which the protrusion is fitted are formed in the housing.

Another prior art is an amateur assembly comprising an armature shaft rotated by electromagnetic interaction with an armature when power is applied to the armature; A motor body spaced apart from the armature assembly and having the armature assembly installed therein; An upper case having the motor body therein and communicating with an air inlet; A lower case mounted with the motor body and coupled with the upper case; And a magnet inserted between the motor body and the armature assembly and inserted into a mounting groove formed on a lower side of the lower case, the motor blower motor assembly being disclosed.

However, the conventional blower motor is disadvantageous in that the assembling process is complicated and the production efficiency is low, and the vibration absorption and cooling efficiency are inferior.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a method of assembling a blower motor that can improve productivity by simplifying an assembling process and improve vibration absorption and cooling efficiency.

A first step of assembling a motor comprising an end cover assembly including an armature and an end cover according to the present invention and a front cover assembly including a front cover; A method of assembling a blower motor assembled by a two-step process of assembling a blower motor including a fan into a motor assembled by the one-step process, the two-step process comprising: A step 2-1 of assembling a sleeve of an insulator to the rear end; Step 2-2 of assembling the flange and the flange cover to the end cover assembly; And assembling the fan into the front cover assembly.

INDUSTRIAL APPLICABILITY As described above, the present invention has a remarkable effect in that the assembling process is simple and productivity can be improved, and vibration absorption and cooling efficiency are improved.

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
2 is a perspective view of the blower motor of the present invention.
3 is a side view of the blower motor of the present invention.
4 is a cooling operation state view of the blower motor of the present invention.
5 is an assembly view of an end cover assembly, a front cover assembly, and an armature of a blower motor according to the present invention.
6 is a perspective view showing the armature of the present invention.
7 is a top schematic view of a first embodiment of an end cover assembly of a blower motor of the present invention.
Figures 8-11 are brush assembly drawings in accordance with a first embodiment of an end cover assembly of a blower motor of the present invention.
12 is an exploded perspective view of an end cover assembly of a blower motor according to a second embodiment of the present invention;
Figure 13 is a top schematic view of a second embodiment of an end cover assembly of a blower motor of the present invention.
Figures 14-15 are brush usage views according to a second embodiment of an end cover assembly of a blower motor.
16 is a perspective view showing a front cover assembly of a blower motor of the present invention.
Fig. 17 is a process diagram in which a coil is wound around a rotor of a blower motor of the present invention. Fig.
18 is a schematic view of a coil winding of a rotor of a blower motor according to the present invention.

A first step of assembling the motor M comprising the end cover assembly 100 including the armature 300 and the end cover 110 and the front cover assembly 200 including the front cover 210; A method of assembling a blower motor assembled by a two-step process of assembling a blower motor (400) including a fan (430) to a motor (M) assembled by the one-step process, A step 2-1 of assembling the insulator sleeve 440 to the front and rear ends of the motor M assembled by the process; Step 2-2 of assembling the flange 410 and the flange cover 420 to the end cover assembly 100; And assembling the fan 430 to the front cover assembly 200 in steps 2 and 3.

After the step of 2-3, the step of 2-4 step of mounting the bearing is added.

The first step is a step 1-1 of assembling the armature 300 including the rotating shaft 310 and the rotor 320. 1-2) assembling the end cover assembly 100 to the armature 300; And assembling the front cover assembly 200 to the end cover assembly 100 and the armature 300 assembled in steps 1-2.

Also, the end cover assembly 100 includes an end cover 110 and a brush 120.

Hereinafter, the method of assembling the blower motor of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 shows the degree of assembly of the blower motor of the present invention.

1, the present invention relates to a blower motor, which includes an end cover assembly 100 including an armature 300 and an end cover 110, and a front cover 210 including a front cover 210, A first step of assembling the motor M made up of the assembly 200; And a two-step process of assembling the blower motor 400 including the fan 430 to the motor M assembled by the one-step process.

Particularly, the 2-step process includes a 2-1 step of assembling the insulator sleeve 440 to the front and rear ends of the motor M assembled by the one-step process; Step 2-2 of assembling the flange 410 and the flange cover 420 to the end cover assembly 100; And assembling the fan 430 to the front cover assembly 200 in steps 2 and 3.

Further, after the 2-3 step process, a 2-4 step process for mounting the bearing is added.

FIG. 3 is a side view of the blower motor of the present invention, FIG. 4 is a cooling operation state of the blower motor of the present invention, and FIG. 5 is a side view of the end cover assembly, front cover assembly, Fig. 6 is a perspective view showing the armature of the present invention. Fig.

Generally, the motor M includes an end cover assembly 100 and a front cover assembly 200 fastened to the end cover assembly 100 to form an internal space, and the end cover assembly 100 and the front cover assembly 100, The armature 300 is inserted into the inner space formed by fastening the cover assembly 200 and the rotation axis 310 of the armature 300 protrudes outside the end cover 110 or the front cover 210 will be.

6, the armature 300 includes a rotating shaft 310 and a rotor 320. The rotor 320 includes a core 321, a tooth 322, a slot 323, a coil 321, 324, and a commutator 325.

A fan (430) is mounted on the motor (M) to improve cooling efficiency.

The flange 410 is coupled to the end cover 110 and the flange cover 420 is coupled to the lower surface of the flange 410. The fan 430 is mounted on the upper surface of the flange 410,

The fan 430 is formed in a hollow shape as a whole, and a plurality of blades are formed between the pair of rings at predetermined intervals along the circumferential direction.

The arrows shown in Fig. 4 represent air flow.

Air flows (not shown) through which air can flow between the flange 410 and the flange cover 420 so that air flows into the interior of the motor M through the flow path, And is discharged to the outside through a cooling hole 111 formed in the end cover 110.

The cooling holes 111 will be described later.

7 is a top schematic view of a first embodiment of an end cover assembly of a blower motor of the present invention.

7, the end cover assembly 100 of the present invention includes a disk-shaped end cover 110 having a hollow hole formed at its central portion, a plurality of radially mounted end covers 110 And a condenser assembly 160 on which the terminals 161 are mounted. The cooling holes 111 are formed in the end cover 110 between the brushes 120 .

Meanwhile, the rotation shaft 310 of the armature 300 protrudes to the outside through the hollow hole of the end cover 110.

8 to 11 are brush assembly drawings according to a first embodiment of an end cover assembly of a blower motor of the present invention.

8 to 11, the brush 120 according to the first embodiment is inserted into the inner space of the brush holder 130 having the upper surface thereof opened to form an inner space, and the brush holder 130, And a brush holder cap 140 mounted on an opening side of the brush holder 130 so as to prevent the brush 120 from being separated from the brush holder 130. The brush holder cap 140 includes a brush holder 130, It is possible to attach and detach it.

One surface of the brush holder 130 opposed to the rotating shaft 310 is formed with a front hole 132 passing through the inside and the outside of the brush holder 130. A brush inserted into the brush holder 130 through the front hole 132, A spring 150 is installed in the brush holder 130 so that the brush 120 is always rotated by the restoring force of the spring 150. As a result, (310).

The brush 120 inserted in the brush holder 130 is movable in the radial direction by the restoring force of the spring 150. [

An insertion protrusion 131 having elasticity is formed on a side surface of the brush holder 130 and an insertion protrusion 131 is inserted into a side surface of the brush holder cap 140 corresponding to the insertion protrusion 131 The insertion protrusion 131 of the brush holder 130 is inserted into the insertion hole 141 of the brush holder cap 140 so that the brush holder 130 and the brush holder cap 140 are inserted into the insertion hole 141 of the brush holder cap 140. [ They are bound together.

More specifically, the insertion protrusion 131 has a step formed due to a difference in circumference from the body portion, and a sloped surface having a sharp point toward the end portion is formed and inserted into the insertion hole 141 of the brush holder cap 140 And after being inserted, it is not easily separated by the step.

A choke coil 170 for blocking electromagnetic waves is mounted on the upper surface of the end cover 110. The choke coil 170 is fixed by a fixing member 180. [

The fixing member 180 includes an elastic body 181 protruding upward from the upper surface of the end cover 110 and a locking protrusion 182 formed at the upper end of the elastic body 181 so as to have a larger circumference than the elastic body 181 One side of the latching protrusion 182 is formed to be inclined and has a pointed shape as it goes to the upper side.

When the pair of fixing members 180 protrude from the upper surface of the end cover 110 so as to be spaced apart from each other by a predetermined distance so that the inclined surfaces of the locking projections 182 face each other, The choke coil 170 is inserted and mounted so that the pair of fixing members 180 are further formed along the longitudinal direction of the choke coil 170 so that the choke coil 170 is more tightly coupled.

The principle that the choke coil 170 cuts off the electromagnetic wave is a well-known technology for public use, and a detailed description thereof will be omitted.

The brush holder 130 is mounted on the guide hole 112 of the end cover 110. A plurality of coupling protrusions 113 protrude upward from both sides of the guide hole 112, The connection member 134 having the engagement groove 135 formed in the upper and lower sides is fastened to one side of the projection 113 to be inserted into the projection 113.

A coupling protrusion 133 is formed on both sides in the longitudinal direction of the brush holder 130 so as to correspond to the coupling groove 135. The coupling protrusion 133 is formed on the other side surface of the coupling member 134, Respectively.

12 is a perspective view of an end cover assembly of a blower motor according to a second embodiment of the present invention, and Fig. 13 is a plan overview diagram of a second embodiment of an end cover assembly of the blower motor of the present invention.

12 to 13, the end cover assembly 100 according to the second embodiment includes a disc-shaped end cover 110 having a hollow hole formed at its central portion, A brush 120 inserted into the guide hole 112 and a condenser assembly 160 on which the terminal 161 is mounted. The brush 120 has a plurality of guide holes 112 formed therein, And a cooling hole 111 is formed through the upper and lower portions so that the heat generated in the inner space formed by the end cover 110 and the front cover 200 to be described later is radiated to the outside.

14 to 15 are brush state diagrams of a second embodiment of an end cover assembly of a blower motor.

14 to 15, the brush 120 according to the second embodiment of the end cover assembly is inserted into the inner space of the brush holder 130 having the upper surface opened and the inner space formed therein, and the brush holder And a brush holder cap 140 mounted on an opening of the brush holder 130 to prevent the brush 120 from detaching from the brush holder 130.

The rib 121 is protruded from the outer surface of the brush holder 130 in the longitudinal direction and the protruded rib 121 is fixed to the inner surface of the guide hole 112, So that vibration absorption is facilitated.

The shape of the brush holder 130 and the tightening relationship with the brush holder cap 140 are the same as those described above.

16 is a perspective view showing the front cover assembly of the blower motor of the present invention.

As shown in FIG. 16, a plurality of stator 220 are fixed along the circumferential direction on the inner surface of the front cover 210, and four stator 200 are fixed in the present invention.

Fig. 17 is a view showing a process in which a coil is wound around a rotor of a blower motor of the present invention, and Fig. 18 is a schematic view of a coil of a rotor of a blower motor of the present invention.

As shown in FIGS. 17 to 18, the segment of the core 322 of the core 321 and the segment of the commutator 325 are each composed of 17 pieces.

Thus, the coil winding method of the blower motor rotor of the present invention is as follows.

For convenience of description, when referring to the segment outer tooth 313, the representation of the commutator 325 and the core 321 is omitted.

Starting from segment 1, it is drawn into the slot between the 15th and 16th teeth, then drawn into the slot between the 11th and 12th teeth, and once wound in the clockwise direction on the 12th and 15th teeth, Segmenting the first segment;

After entering the slot between No. 6 and No. 7 Tees in the 9th segment, it is drawn into the slot between No. 2 and No. 3 teeth and wound once in the clockwise direction to No. 3 and No. 6 teeth. 2 steps to get caught;

In the 17th segment, a slot between the 14th and 15th teeth is drawn into the slot between the 10th thread and the 11th thread, and the thread is wound clockwise to the 11th thread and the 14th thread. 3 steps to get caught;

In the 8th segment, it is drawn into the slot between the No. 5 thread and the No. 6 thread, and then drawn into the slot between the No. 1 thread and No. 2 thread. Then, the No. 2 thread and the No. 5 thread are wound clockwise one time, 4 steps to get caught;

After entering the slot between the No. 13 tooth and the No. 14 tooth in the 16th segment, it is drawn into the slot between the No. 9 tooth and the No. 10 tooth and wound once to the No. 10 tooth and the No. 13 tooth clockwise. 5 steps to take;

After entering the slot between No. 4 and No. 5 Tees in the 7th segment, it is drawn into the slot between the No. 17 and No. 1 teeth and wound once on the No. 1 and No. 4 teeth clockwise. 6 steps to take;

After entering the slot between the No. 12 and No. 13 teeth in the 15th segment, it is drawn into the slot between the No. 8 and No. 9 teeth and wound once to the No. 9 tooth and the No. 12 tooth clockwise. 7 steps to get caught;

After entering the slot between the No. 3 tooth and the No. 4 tooth in the 6th segment, it is drawn into the slot between the No. 16 tooth and No. 17 tooth and wound once to the No. 17 tooth and the No. 3 tooth clockwise. 8 steps to take;

After entering the slot between the No. 11 thread and the No. 12 thread in the 14th segment, it is drawn into the slot between the No. 7 thread and the No. 8 thread and wound once on the No. 8 thread and the No. 11 thread clockwise. 9 steps to take;

After entering the slot between the No. 2 and No. 3 teeth in the 5th segment, it is drawn into the slot between the No. 15 tooth and No. 16 tooth and wound once in the clockwise direction to the No. 16 tooth and the No. 2 tooth. 10 steps to take;

After entering the slot between the 10th thread and the 11th thread in the 13th segment, it is drawn into the slot between the 6th thread and the 7th thread and wound once in the clockwise direction to the 7th thread and the 10th thread. 11 steps to take;

In the 4th segment, it is drawn into the slot between the No. 1 tooth and the No. 2 tooth, and then drawn into the slot between the No. 14 tooth and the No. 15 tooth to be wound once in the clockwise direction to the No. 15 tooth and the No. 1 tooth. 12 steps to take;

After entering the slot between the No. 9 and No. 10 teeth in the 12th segment, it is drawn into the slot between the No. 5 and No. 6 teeth and wound once in the clockwise direction to No. 6 and No. 9 teeth. Step 13 to make it take;

After entering the slot between the 17th and 1st tees in the 3rd segment, it is drawn into the slot between the 13th tee and the 14th tee, and once wound clockwise to the 14th tee and the 17th tee, 14;

After entering the slot between the No. 8 and No. 9 teeth in the 11th segment, it is drawn into the slot between No. 4 and No. 5 teeth and wound once to the No. 5 tooth and No. 8 tooth clockwise. 15 steps to take;

After entering the slot between the No. 16 thread and the No. 17 thread in the 2nd segment, it is drawn into the slot between the No. 12 thread and the No. 13 thread and wound once to the No. 13 thread and the No. 16 thread clockwise. 16 steps to take;

After entering the slot between No. 7 and No. 8 teeth in the 10th segment, it is drawn into the slot between No. 3 and No. 4 teeth and wound once on the No. 4 tooth and No. 7 tooth in the clockwise direction. And a seventeenth step of performing wiring.

Then, return to the operation of step 1 and repeat the winding operation of step 17.

INDUSTRIAL APPLICABILITY As described above, the present invention has a remarkable effect in that the assembling process is simple and productivity can be improved, and vibration absorption and cooling efficiency are improved.

100. End cover assembly
110. End cover 111. Cooling hole 112. Guide hole
113. Coupling protrusion
120. Brushes
130. Brush holder 131. Insertion protrusion 132. Front hole
133. engaging projection 134. connecting member 135. engaging groove
136. The rib
140. Brush holder cap 141. Insertion hole
150. Spring
160. Capacitor assembly
170. Choke coil
180. Fixing member 181. Elastic member 182. Locking projection
200. Front cover assembly
210. Front cover
220. Stator
300. Amateur
310. A rotating shaft
320. Rotor 321. Core
322. Teeth 323. Slot 324. Coil
325. Commutators
400. Blower motor
410. Flange
420. Flange cover
430. Fan
440. Sleeve
M. motor

Claims (3)

A first step of assembling a motor M composed of an end cover assembly 100 including an armature 300 and an end cover 110 and a front cover assembly 200 including a front cover 210; A blower motor assembly method including a two-step process of assembling a blower motor (400) including a fan (430) to a motor (M) assembled by the one-step process,
The two-step process includes a step 2-1 of assembling the insulator sleeve 440 to the front and rear ends of the motor M assembled by the one-step process; Step 2-2 of assembling the flange 410 and the flange cover 420 to the end cover assembly 100; 2-3 steps of assembling the fan 430 to the front cover assembly 200; Process,
The first step is a step 1-1 of assembling the armature 300 including the rotating shaft 310 and the rotor 320. 1-2) assembling the end cover assembly 100 to the armature 300; And 1-3 assembling the front cover assembly 200 to the armature 300 and the end cover assembly 100 assembled in steps 1-2,
The end cover assembly 100 includes an end cover 110 and a brush 120,
The end cover assembly 100 includes a disk-shaped end cover 110 having a hollow hole formed at its central portion, a plurality of brushes 120 radially mounted on the upper surface of the end cover 110, A cooling hole 111 is formed in the end cover 110 between the brushes 120 so as to pass through the upper and lower portions of the end cover 110 and the hollow hole of the end cover 110, The rotating shaft 310 of the armature 300 is protruded to the outside,
The brush 120 is inserted into an inner space of a brush holder 130 having an upper surface opened and formed with an inner space and the brush 120 is inserted into the brush holder 130 so as to prevent the brush 120 from being detached from the brush holder 130. [ And a brush holder cap 140 mounted on the opening of the holder 130. The brush holder cap 140 is detachable from the brush holder 130,
One surface of the brush holder 130 opposed to the rotation shaft 310 is formed with a front hole 132 penetrating the inside and the outside of the brush holder 130. The brush 130 inserted into the brush holder 130 through the front hole 132 The brush 120 is always rotated by the restoring force of the spring 150 so that the brush 120 is always in contact with the rotating shaft 310. [ 310,
The brush 120 inserted in the brush holder 130 is movable in the radial direction by the restoring force of the spring 150,
An insertion protrusion 131 having an elastic force is formed on a side surface of the brush holder 130 and a insertion protrusion 131 is inserted into a side surface of the brush holder cap 140 corresponding to the insertion protrusion 131, And the insertion protrusion 131 of the brush holder 130 is inserted into the insertion hole 141 of the brush holder cap 140 so that the brush holder 130 and the brush holder cap 140 are connected to each other Lt; / RTI >
The insertion protrusion 131 has a step formed due to a difference in circumference from the body portion and has a sharp inclined surface toward the end so that insertion into the insertion hole 141 of the brush holder cap 140 is facilitated, And after being inserted, is not easily separated by the step.
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