JPH11206060A - Molded electrical machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make correspondence with various installation forms b means of a prescribed mold stator, to save a complicated trouble for manufacturing the mold stator for the respective installation forms, to reduce manufacturing cost and to improve productivity. SOLUTION: A rotor 1, corresponding to the mold stator 7 and an installation racket 21 on one end face of the mold stator 7, is arranged and a bearing 3 supporting the rotor 1 is installed on a center part. A fixing means, corresponding to plural types of installation brackets, is provided for a facing part with the installation brackets of the mold stator 7. Thus, the rotor 1 and the mold stator 7 can be arranged at prescribed positions by the different brackets with respect to the same mold stator 7. Then, a molded electrical machine can be arranged in the installation forms, corresponding to the various installation brackets via the installation brackets.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mold electric motor having a mold stator formed by molding resin.

[0002]

2. Description of the Related Art FIGS. 16 to 24 show a conventional molded motor comprising a fan motor of an air conditioner.
6 is a perspective view, FIG. 17 is an exploded perspective view of the molded motor of FIG. 16, FIG. 18 is a vertical sectional view of the right half of the molded motor of FIG. 16, and FIG. FIG.

FIG. 20 is a perspective view of a main part of FIG. 19, which is longitudinally disassembled and disassembled. FIG. 21 is a view showing the molded motor of FIG. 19, (a) is a plan view, and (b) is (a). ), FIG. 22 is a perspective view showing another example of the mounted state of the mold motor, FIG. 23 is an exploded perspective view showing an essential part of FIG. 22, and FIG. 24 is a view showing the mold motor of FIG. (A) is a side view and (b) is a longitudinal sectional view of (a).

In the drawing, 1 is a rotor comprising a rotor 2, a bearing 3 and a shaft 4, 5 is a mounting bracket supporting one bearing 3 of the rotor 1, and 6 is the other side of the rotor 1, ie, a fan motor. An end bracket 7 supporting the fan-side bearing 3 is a molded stator, in which a stator 8 is molded.

The conventional mold motor is constructed as described above, and the mold stator 7
Is fixed and injection molding is performed at a high pressure from a surrounding, high-temperature molten mold resin. Further, the mounting side bracket 5 and the end face bracket 6 are formed by pressing a metal plate.
The peripheral portion is fixed to the end face of the mold stator 7, and the bearing 3 of the rotor 1 is supported by the central portion. Further, the mounting side bracket 5 and the end face bracket 6 are molded stator 7.
It is tightly fitted or mounted with mounting screws (not shown).

For example, a molded motor used in a ceiling-mounted type package air conditioner and provided with a rotor 1 in a vertical direction as shown in FIG. 19 is mounted on a mounting screw 10 of a package air conditioner base 9 as shown in FIG. Anti-vibration rubber 11
Are fitted. Then, the mounting screw 10 is fitted to the mounting leg 12 provided on the mold stator 7 via the vibration-proof rubber 11, and the mounting nut 13 is screwed into the protruding end of the mounting screw 10 to be fixed.

[0007] As shown in FIG. 21, the mounting bracket 5 has a peripheral edge extending to the opposite end face of the molded stator 7, and a fastening screw 14 is attached to the extension and the mounting leg 12.
Is inserted, and the nut 15 is screwed into the insertion end. Thereby, the mounting bracket 5 is fixed to the mold stator 7.

[0008] A molded motor used in a small to medium-sized package air conditioner such as a wall-mounted type or a ceiling-mounted type and in which the rotor 1 is horizontally mounted as shown in FIG. The cylindrical anti-vibration rubber 16 is fitted to a bearing portion of the mounting side bracket 5 and the end face bracket 6. And the motor leg 1 of the package air conditioner base 9
The cylindrical impregnated rubber 16 is held and attached to the band 7 by a band 19 fastened by a mounting screw 18.

Further, as shown in FIG. 24, the mounting bracket 5 has its peripheral edge bent outward along the length of the rotor 1 and fits into a concave portion provided on the end face of the opposed mold stator 7. It is attached. in this way,
The mold motor is mounted in various forms corresponding to a base such as an air conditioner to be mounted. Therefore, a mold stator 7 having a shape corresponding to each of these mounting forms is prepared.

[0010]

In the above-mentioned conventional mold motor, a mold is prepared in accordance with each mounting mode in order to cope with various mounting modes.
In addition, there is a problem in that the mold stator 7 is manufactured for each mounting mode, which requires a complicated operation.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and an object of the present invention is to provide a mold electric motor which can cope with various mounting forms by a predetermined mold stator.

[0012]

In a mold motor according to the present invention, a mold stator molded with a mold resin, a rotor arranged corresponding to the mold stator, and an end face on one side of the mold stator are arranged. The mounting bracket is mounted at the center and has a bearing that pivots the rotor, and the peripheral side is fixed to the mold stator. The mounting bracket is formed on the end face facing the mounting bracket of the mold stator. And fixing means configured to be compatible.

Further, in the mold motor according to the present invention, the fixing means is such that the outer surface of the concave portion at the radially intermediate portion in the cross-sectional shape of the mounting bracket is fitted to the side surface of the concave portion of the end surface of the molded stator facing the same. It is constituted by doing.

In the molded electric motor according to the present invention, the fixing means is constituted by a mounting bracket and a fastening screw inserted through the molded stator.

Further, in the molded motor according to the present invention, the fitting provided on the outer surface of the recess at the radially intermediate portion in the sectional shape of the mounting bracket and the end face of the mold stator facing the recess of the mounting bracket. Are provided in the recesses and are fitted to the fittings.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 1 to 4 are views showing an example of an embodiment of the present invention. FIG. 1 is a longitudinal sectional view of a right half of a molded motor, FIG. 2 is a perspective view of a mounting bracket of the molded motor of FIG. FIG. 3 is a perspective view of a mold stator of the mold motor of FIG. 1, and FIG. 4 is a perspective view of a main member of the mold motor of FIG.

In the drawing, 1 is a rotor comprising a rotor 2, a bearing 3 and a shaft 4, 6 is an end face bracket which supports one side of the rotor 1, that is, a bearing 3 opposite to a mounting bracket, which will be described later, at the center. Reference numeral 7 denotes a molded stator in which a stator 8 is molded.
Is fitted, and a retreating portion 20 is provided on the outer surface near the end on the side opposite to the end face bracket 6.

Reference numeral 21 denotes a first-type mounting-side bracket which supports the other side of the rotor 1, that is, the bearing 3 on the side opposite to the end face bracket 6 at the center, and a mold 22 in which a concave portion 22 at a radially intermediate portion in the cross-sectional shape faces. The outer peripheral portion 23 is fitted to the concave portion of the end surface of the stator 7, and is disposed so as to overlap the end surface of the molded stator 7, the mounting leg portion 24 is projected from the outer peripheral portion 23, and the outer peripheral side wall of the concave portion 22 is formed on the outer peripheral side wall. A fitting 26 protrudes outward and fits into a fitting recess 25 formed to retreat on the recess side wall and the end face of the opposed mold stator 7.

The position of the fitting 26 is shifted from the mounting leg 24 in the circumferential direction of the outer peripheral portion 23. Reference numeral 27 denotes a fastening screw that is inserted into the outer peripheral portion 23 of the first-type mounting bracket 21 and the molded stator 7 and projects to the retreating portion 20 of the molded stator 7. It is a nut arranged in the retreat part 20.

In the mold electric motor constructed as described above, the mold stator 7 is formed by fixing the stator 8 to a mold and injecting a high-temperature molten resin from the periphery at a high pressure. The first type mounting bracket 21 and the end face bracket 6 are formed by press-forming a metal plate. The end bracket 6 supports the bearing 3 of the rotor 1 at the center, and the peripheral edge is tightly fitted to the mold stator 7.

The first-type mounting bracket 21 supports the bearing 3 of the rotor 1 at the center thereof, and the peripheral edge is arranged on the end face of the molded stator 7 so as to be overlapped.
Is fitted into the fitting recess 25 of the mold stator 7. Then, the fastening screw 27 is inserted into the first-type mounting bracket 21 and the molded stator 7 and screwed into the nut 28 arranged in the retreating part 20.

As described above, the first type mounting bracket 21
The rotor 1 and the mold stator 7 can be easily and concentrically assembled by fitting the recesses 22 into the recesses of the mold stator 7. Further, by fitting the fitting 26 into the fitting recess 25 of the mold stator 7, the mounting leg 24 can be easily arranged at a predetermined position in the circumferential direction of the mold stator 7. And
The molded motor configured as described above is mounted in a predetermined form corresponding to a base such as an air conditioner via the mounting legs 24 of the first type mounting bracket 21.

Embodiment 2 FIG. FIG. 5 is a view showing an example of another embodiment of the present invention, and is a perspective view showing the structure of the main members of the molded motor separated from each other. As in the case of the first embodiment, a molded electric motor is configured. In the drawings, the same reference numerals as those in FIGS. 1 to 4 denote corresponding parts, and reference numeral 29 denotes a second-type mounting bracket in which the mounting leg portion 24 coincides with the position of the fitting 26 in the circumferential direction of the outer peripheral portion 23. Position, and the others are the first
It is configured similarly to the seed mounting bracket 21.

In the mold motor configured as described above, the same rotor as that in the embodiment shown in FIGS. 1 to 4 is used for the same mold stator 7 in the embodiment shown in FIGS. 1 and the mold stator 7 can be easily arranged at predetermined positions by the second type mounting bracket 29. The mounting leg 24 can be easily arranged at a predetermined position different from the case of the first type mounting bracket 21.

Then, it can be mounted in a predetermined form corresponding to a base such as another air conditioner via the mounting legs 24 of the second type mounting bracket 29. Therefore, it is possible to obtain a mold electric motor that can cope with other mounting modes by the predetermined mold stator 7. For this reason, it is possible to save troublesome steps of manufacturing the mold stator 7 for each mounting mode, thereby reducing manufacturing costs and improving productivity.

Embodiment 3 FIG. 6 to 8 also show another embodiment of the present invention. FIG. 6 is a perspective view of a mold motor, and FIG. 7 is a perspective view showing the structure of main members of the mold motor of FIG. 6 separately. FIG. 8 is a longitudinal sectional view of the right half of the mold motor of FIG. In the figures, FIGS.
The same reference numerals denote corresponding parts, and reference numeral 30 denotes a third-type mounting bracket, which supports the bearing 3 of the rotor 1 at the center, and if the peripheral portion of the concave portion 22 fits into the concave portion of the end face of the molded stator 7 facing the concave portion. And fitted.

In the mold motor configured as described above, the same rotor as that in the embodiment of FIGS. 1 to 4 is used for the same mold stator 7 in the embodiment of FIGS. The first type 1 and the mold stator 7 can be easily arranged at predetermined positions by the third type mounting bracket 30.

When the rotor 1 is used in a relatively small to medium-sized package air conditioner such as a wall-mounted type or a ceiling-mounted type shown in FIG. Bracket 3 for mounting the third kind as well as 23
It is mounted in a predetermined form corresponding to a base such as an air conditioner via the bearing portions of the end bracket 6 and the end face 6.

Therefore, it is possible to obtain a mold motor that can be adapted to other mounting modes by the predetermined mold stator 7. For this reason, it is possible to save troublesome steps of manufacturing the mold stator 7 for each mounting mode, thereby reducing manufacturing costs and improving productivity.

Embodiment 4 FIG. 9 is also a view showing an example of another embodiment of the present invention, and is a perspective view showing the structure of the main members of the mold motor separated from each other. As in the case of the first embodiment, a molded electric motor is configured. In the drawings, the same reference numerals as those in FIGS. 1 to 4 denote corresponding parts, and reference numeral 31 denotes a fourth-type mounting bracket which supports the bearing 3 of the rotor 1 by a central portion, and which has a peripheral portion 23 with respect to the position of the fitting 26. The fitting 26 is withdrawn from the surface of the first type, and the other configuration is substantially the same as that of the first type mounting bracket 21 described above.

In the mold motor configured as described above, the same rotor as that in the embodiment of FIGS. 1 to 4 is used for the same mold stator 7 in the embodiment of FIGS. Since the fitting 26 of the fourth type mounting bracket 31 is fitted into the fitting recess 25 of the mold stator 7 with respect to the mold stator 7 and the mold 1, they can be easily arranged at predetermined positions. And the mounting leg 24
Can be easily arranged at a predetermined position along the circumferential direction of the mold stator 7.

Then, it can be mounted in a predetermined form corresponding to a base such as another air conditioner via the mounting legs 24 of the fourth type mounting bracket 31. Therefore, it is possible to obtain a mold electric motor that can cope with other mounting modes by the predetermined mold stator 7. For this reason, it is possible to save troublesome steps of manufacturing the mold stator 7 for each mounting mode, thereby reducing manufacturing costs and improving productivity.

Embodiment 5 FIG. FIG. 10 is also a view showing an example of another embodiment of the present invention, and is a perspective view showing the structure of the main members of the molded motor separated from each other. As in the case of the first embodiment, a molded electric motor is configured. In the drawings, the same reference numerals as those in FIGS. 1 to 4 denote corresponding parts, and 32 denotes a retreating portion provided on an outer surface near an end of the mold stator 7 on the mounting bracket side, and has a shape corresponding to the outer shape of the nut 28. It is configured.

In the mold motor configured as described above, the rotor 1 and the mold stator 7 are mounted on the same mold stator 7 by using various mounting brackets.
Can be easily mounted at a predetermined position, and the molded electric motor can be mounted in a predetermined form corresponding to a base such as an air conditioner. Therefore, it is possible to obtain a mold electric motor that can cope with other mounting modes by the predetermined mold stator 7. For this reason, it is possible to eliminate the troublesome trouble of manufacturing the mold stator 7 for each mounting mode,
Manufacturing cost can be reduced and productivity can be improved.

In the embodiment shown in FIG. 10, since the nut 28 is fitted into the retreating portion 32 to prevent the rotation, the mounting bracket is easily fastened by the operation of unilaterally tightening the fastening screw 27. be able to. Thereby, the mold motor can be easily assembled, and the productivity can be improved.

Embodiment 6 FIG. FIG. 11 is also a view showing an example of another embodiment of the present invention, and is a perspective view showing a mounting bracket for a molded motor, and the other parts in FIG. 11 are the same as those in the above-described embodiments in FIGS. , A mold motor is configured. In the drawings, the same reference numerals as those in FIGS. 1 to 4 denote corresponding parts, and reference numeral 33 denotes a fifth type mounting bracket,
The mounting leg portion 24 of the seed mounting bracket 21 is omitted.

In the above-configured mold motor, the same rotor as that in the embodiment shown in FIGS. 1 to 4 is used for the same mold stator 7 in the embodiment shown in FIGS. 1 and the mold stator 7, the fitting 26 of the fifth type mounting bracket 33 is fitted in the fitting recess 25 of the mold stator 7, and the fastening screw 27
The fifth type mounting bracket 33 is fixed to the mold stator 7 by the nut 28 and the nut 28.

Then, the mold motor constituted by the fifth type mounting bracket 33 can be mounted in a predetermined form corresponding to a base such as an appropriate air conditioner.
Therefore, it is possible to obtain a mold electric motor that can cope with an appropriate mounting form by the predetermined mold stator 7. For this reason, it is possible to save troublesome steps of manufacturing the mold stator 7 for each mounting mode, thereby reducing manufacturing costs and improving productivity.

Embodiment 7 FIG. 12 is also a view showing an example of another embodiment of the present invention, and is a perspective view showing a mounting bracket of a molded electric motor. The other parts of FIG. 12 are the same as those of the above-described embodiments of FIGS. , A mold motor is configured. In the drawings, the same reference numerals as those in FIGS. 1 to 4 denote corresponding parts, and reference numeral 34 denotes a sixth type mounting bracket, in which a mounting leg 35 which is a separate body is attached to the fifth type mounting bracket 33 described above. Is configured.

In the above-configured mold motor, the same rotor as that in the embodiment of FIGS. 1 to 4 is used for the same mold stator 7 in the embodiment of FIGS. The first stator 1 and the mold stator 7 are arranged at predetermined positions by the sixth type mounting bracket 34. Then, the fitting 2 of the sixth type mounting bracket 34
6 is fitted into the fitting recess 25 of the mold stator 7, and the sixth type mounting bracket 34 is fixed to the mold stator 7 by the fastening screw 27 and the nut 28.

Then, the molded electric motor constituted by the sixth type mounting bracket 34 can be mounted in a predetermined form corresponding to a base such as an appropriate air conditioner by the mounting leg 35. Therefore, it is possible to obtain a mold electric motor that can cope with an appropriate mounting form by the predetermined mold stator 7. For this reason, it is possible to save troublesome steps of manufacturing the mold stator 7 for each mounting mode, thereby reducing manufacturing costs and improving productivity. In addition, the number of the attachment legs 35 to be attached can be easily increased or decreased as needed.

Embodiment 8 FIG. FIG. 13 is also a view showing an example of another embodiment of the present invention, and is a perspective view showing a mounting bracket for a molded electric motor. The other parts of FIG. 13 are the same as those of the above-described embodiments of FIGS. , A mold motor is configured. In the figures, the same reference numerals as those in FIGS. 1 to 4 denote corresponding parts, and reference numeral 36 denotes a seventh-type mounting bracket, in which the projecting end of the mounting leg 24 of the first-type mounting bracket 21 is connected to the outer edge of the outer peripheral portion 23. The mounting portion 37 is formed on the outer edge portion.

In the above-configured mold motor, the same rotor as that in the embodiment of FIGS. 1 to 4 is used for the same mold stator 7 in the embodiment of FIGS. The first stator 1 and the mold stator 7 are arranged at predetermined positions by a seventh type mounting bracket 36. And, the fitting 2 of the bracket for mounting the seventh type 36
6 is fitted into the fitting recess 25 of the mold stator 7, and the seventh type mounting bracket 36 is fixed to the mold stator 7 by the fastening screw 27 and the nut 28.

Then, the mold motor constituted by the seventh type mounting bracket 36 can be mounted by the mounting portion 37 in a predetermined form corresponding to a suitable base such as an air conditioner. Therefore, it is possible to obtain a mold electric motor that can cope with an appropriate mounting form by the predetermined mold stator 7. For this reason, it is possible to eliminate the troublesome trouble of manufacturing the mold stator 7 for each mounting mode,
Manufacturing cost can be reduced and productivity can be improved. In addition,
The mounting portion 37 can be easily provided in an appropriate position by processing the outer peripheral portion 23, and it is possible to cope with an appropriate mounting mode with a small number of steps.

Embodiment 9 FIG. FIGS. 14 and 15 also show another embodiment of the present invention. FIG. 14 is a longitudinal sectional view showing a mounted state of a mold motor, and FIG.
FIG. 16 is a partially exploded perspective view showing a mounted state of the mold electric motor of FIG. 14, and a mold electric motor is configured similarly to the above-described embodiments of FIGS. In the figure, reference numeral 9 denotes a base of the ceiling-mounted type package air conditioner, and reference numeral 10 denotes a mounting screw erected on the base 9.

Reference numeral 38 denotes an anti-vibration rubber through which the mounting screw 10 is inserted, which is fitted to the mounting leg 24 of the first type mounting side bracket 21. Then, the mounting screw 10 is fitted to the mounting leg portion 24 via the vibration isolating rubber 38, and the mounting nut 39 is screwed into a protruding end of the mounting screw 10 to be mounted.
Reference numeral 40 denotes a turbo fan fixed to the lower end of the rotor 1 in which the length of the mold motor mounted on the base 9 is vertically arranged.

The mold motor in the above is a vibration-proof rubber 3
It is elastically supported on the base 9 through the base 8. And since a mold motor is the same as that of the embodiment of FIGS. 1-4, the effect in the embodiment of FIGS. 1-4 can be obtained. Further, in the embodiment of FIGS. 14 and 15, since the molded electric motor is disposed in the air path based on the turbo fan 40, the metal first-type mounting-side bracket 21 functions as a cooling fin and provides good cooling. Action can be obtained.

In the embodiments shown in FIGS. 14 and 15, the mold motor is elastically supported by the base 9 via the vibration-proof rubber 38, and is arranged at a predetermined position by its own weight. In such a mounting state, the vibration-proof rubber 38 is disposed on the first-type mounting-side bracket 21 made of a relatively thin metal plate, so that the height of the elastic support portion can be reduced. Therefore, the height of the structure including the mold motor in the base 9 can be reduced, and the device can be downsized.

[0049]

As described above, the present invention provides a mold stator molded with a mold resin, a rotor arranged corresponding to the mold stator, and a central part arranged on one end face of the mold stator. A mounting bracket that has a bearing that pivots the rotor mounted on it and the peripheral edge side is fixed to the mold stator, and is formed on the end face facing the mounting bracket of the mold stator to be compatible with multiple types of mounting brackets Provided fixing means.

Thus, the rotor and the mold stator can be easily arranged at predetermined positions on the same mold stator by different mounting brackets. Then, the molded motor can be easily arranged in a form corresponding to each mounting bracket via the mounting bracket. Therefore, various mounting modes can be accommodated by the predetermined mold stator, and the troublesome steps of manufacturing the mold stator for each mounting mode can be omitted, which has the effect of reducing manufacturing costs and improving productivity.

Further, as described above, in the present invention, the fixing means is attached to the mounting bracket such that the outer surface of the concave portion at the radially intermediate portion in the cross-sectional shape of the mounting bracket is fitted to the side surface of the concave portion at the end face of the mold stator facing the same. It is constituted by doing.

Thus, the rotor and the mold stator can be easily arranged at predetermined positions on the same mold stator by different mounting brackets. Then, the molded motor can be easily arranged in a form corresponding to each mounting bracket via the mounting bracket. Therefore, various mounting modes can be accommodated by the predetermined mold stator, and the troublesome steps of manufacturing the mold stator for each mounting mode can be omitted, which has the effect of reducing manufacturing costs and improving productivity.

Further, as described above, in the present invention, the fixing means is constituted by the fastening screws inserted into the mounting bracket and the molded stator.

Thus, the rotor and the mold stator can be easily arranged at predetermined positions on the same mold stator by different mounting brackets. Then, the molded motor can be easily arranged in a form corresponding to each mounting bracket via the mounting bracket. Therefore, various mounting modes can be accommodated by the predetermined mold stator, and the troublesome steps of manufacturing the mold stator for each mounting mode can be omitted, which has the effect of reducing manufacturing costs and improving productivity.

Further, as described above, the present invention provides a fitting provided on the outer surface of the recess at the intermediate portion in the radial direction in the sectional shape of the mounting bracket, and the end face of the mold stator facing the recess of the mounting bracket. Are provided with fitting recesses which are provided in the recesses and are fitted to the fittings.

Thus, the rotor and the mold stator can be easily arranged at predetermined positions on the same mold stator by different mounting brackets. Then, the molded motor can be easily arranged in a form corresponding to each mounting bracket via the mounting bracket. Therefore, various mounting modes can be accommodated by the predetermined mold stator, and the troublesome steps of manufacturing the mold stator for each mounting mode can be omitted, which has the effect of reducing manufacturing costs and improving productivity.

[Brief description of the drawings]

FIG. 1 is a view showing a first embodiment of the present invention, and is a longitudinal sectional view of a right half of a molded electric motor.

FIG. 2 is a perspective view of a mounting bracket of the molded motor of FIG. 1;

FIG. 3 is a perspective view of a mold stator of the mold electric motor of FIG. 1;

FIG. 4 is an exemplary perspective view of the main components of the molded motor of FIG. 1 separated from each other;

FIG. 5 is a view showing the second embodiment of the present invention, and is a perspective view showing the configuration of the main members of the molded electric motor separately.

FIG. 6 is a view showing Embodiment 3 of the present invention, and is a perspective view of a molded electric motor.

FIG. 7 is an exemplary perspective view of the main components of the molded electric motor of FIG. 6 separated from each other;

FIG. 8 is a vertical sectional view of a right half of the mold motor of FIG. 6;

FIG. 9 is a view showing the fourth embodiment of the present invention, and is a perspective view showing the configuration of the main members of the molded electric motor separately.

FIG. 10 is a view showing the fifth embodiment of the present invention, and is a perspective view showing the configuration of the main members of the molded electric motor separately.

FIG. 11 is a view showing Embodiment 6 of the present invention, and is a perspective view showing a mounting bracket for a molded electric motor.

FIG. 12 is a view showing the seventh embodiment of the present invention, and is a perspective view showing a mounting bracket for a molded electric motor.

FIG. 13 is a view showing the eighth embodiment of the present invention, and is a perspective view showing a mounting bracket for a molded electric motor.

FIG. 14 is a view showing a ninth embodiment of the present invention, and is a longitudinal sectional view showing a mounted state of a mold electric motor.

FIG. 15 is a partially exploded perspective view showing a mounted state of the mold electric motor in FIG. 14;

FIG. 16 is a perspective view showing a conventional mold motor.

FIG. 17 is an exploded perspective view showing the mold electric motor of FIG. 16;

FIG. 18 is a vertical sectional view of the right half of the mold motor of FIG. 16;

FIG. 19 is a perspective view showing an example of a mounting state of another conventional molded motor, partially separated.

FIG. 20 is an exemplary perspective view of a main part of FIG.

FIG. 21 is a view showing the mold motor of FIG. 19;
(A) is a top view, (b) is a longitudinal sectional view of (a).

FIG. 22 is a perspective view showing another example of a mounted state of a conventional molded motor.

23 is an exploded perspective view showing a main part of FIG. 22;

FIG. 24 is a view showing the mold electric motor of FIG. 22;
(A) is a side view, (b) is a longitudinal sectional view of (a).

[Explanation of symbols]

1 rotor, 3 bearings, 7 molded stator, 21
First-class mounting bracket, 22 recess (fixing means),
25 fitting recess (fixing means), 26 fitting (fixing means), 27 fastening screw (fixing means), 28 nut (fixing means), 29 second-class mounting bracket, 30 third-class mounting bracket, 31st Four mounting brackets, 3
3 Class 5 mounting bracket, 34 Class 6 mounting bracket, 36 Class 7 mounting bracket.

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hiroyuki Ishii 2-3-2 Marunouchi, Chiyoda-ku, Tokyo Mitsui Electric Co., Ltd. (72) Inventor Takashi Matsunaga 2-3-2 Marunouchi, Chiyoda-ku, Tokyo Rishi Electric Co., Ltd.

Claims (4)

[Claims] 1. A molded stator molded with a mold resin, a rotor arranged corresponding to the molded stator, and a bearing arranged on one end surface of the molded stator and pivotally supporting the rotor at a central portion. And a mounting bracket whose peripheral edge side is fixed to the molded stator, and a fixing formed on an end face of the molded stator facing the mounting bracket so as to be compatible with a plurality of types of mounting brackets. And a mold electric motor comprising: 2. The fixing means according to claim 1, wherein the outer surface of the recess at the radially intermediate portion in the cross-sectional shape of the mounting bracket is fitted to the side surface of the recess at the end face of the mold stator facing the mounting bracket. The mold electric motor according to claim 1. 3. The mold electric motor according to claim 1, wherein the fixing means is constituted by a fastening screw inserted into the mounting bracket and the mold stator. 4. A fitting provided on an outer surface of a recess at a radially intermediate portion in a cross-sectional shape of the mounting bracket, and a fitting provided on a recess of an end face of a mold stator facing the recess of the mounting bracket. The mold electric motor according to claim 3, further comprising a fitting concave portion that fits with the joint.