CN214590860U - Motor end cover and motor - Google Patents

Abstract

The utility model discloses a motor end cover, which comprises an end cover body, wherein the end cover body is a cross-shaped end cover, the bottom of the end cover body is fixedly connected with a hollow columnar connecting plate, and four corners of the end cover body are provided with mounting holes for inserting connecting pieces; the end cover comprises an end cover body and is characterized in that a shaft hole is formed in the center of the end cover body, a plurality of rollers are uniformly embedded in the inner wall of the shaft hole, a plurality of positioning holes are annularly arrayed around all the shaft holes, and a plurality of heat dissipation holes are uniformly and annularly distributed on the periphery of the positioning holes. The utility model discloses simple structure, reasonable in design can effectively dispel the heat in the motor main part, is applicable to the motor main part of assembly unidimensional simultaneously, has realized the standardization of end cover, has reduced the manufacturing and the design cost of end cover, in addition, the utility model discloses the installation that enables the bearing is more stable, and is inseparabler with the laminating of end cover body.

Description

Motor end cover and motor

Technical Field

The utility model relates to a motor accessory technical field, concretely relates to motor end cover and install motor of this end cover.

Background

The motor is a general term for a device for converting mechanical energy and electric energy, and most of the motors use the principle of electromagnetic induction. In order to protect the motor in reality, an end cover is often required to be installed on the motor, and the end cover can prevent external force from damaging the motor and can prevent dust and moisture.

Then, in the case of motor bodies of different sizes, end caps of different sizes or types need to be selected, which results in a variety of end caps, increasing the design and manufacturing costs of the end caps, and purchasing the end caps requires purchasing a plurality of end caps of different sizes or sizes according to the sizes of the motor bodies of different sizes or types, which increases the purchasing cost and the time cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a motor end cover to make the end cover of a model can with the motor main part phase-match of multiple model, with the manufacturing and the design cost that reduce the end cover, improve the production efficiency of motor and application scope's expansion.

In order to achieve the above object, the utility model provides a following technical scheme:

a motor end cover comprises an end cover body, wherein the end cover body is a cross-shaped end cover, a hollow columnar connecting plate is fixedly connected to the bottom of the end cover body, and mounting holes are formed in four corners of the end cover body and used for inserting connecting pieces; the end cover comprises an end cover body and is characterized in that a shaft hole is formed in the center of the end cover body, a plurality of rollers are uniformly embedded in the inner wall of the shaft hole, a plurality of positioning holes are annularly arrayed around all the shaft holes, and a plurality of heat dissipation holes are uniformly and annularly distributed on the periphery of the positioning holes.

As the utility model discloses an optimal setting, roller quantity is 4, and the contained angle of the line in two arbitrary rollers and the shaft hole centre of a circle is 90.

As the utility model discloses an optimized setting, be provided with dustproof screen in the louvre.

As the utility model discloses an it sets up preferably, every the quantity of dustproof screen cloth in the louvre is two, set up respectively in the both ends of louvre.

As the utility model discloses a preferred setting, the mounting hole is the bar hole.

As the utility model discloses a preferred setting, the length direction in bar hole is for keeping away from the radial direction in shaft hole.

As the utility model discloses an optimal setting, the distance of each locating hole to the shaft hole centre of a circle equals.

The utility model also provides a motor, the motor includes motor main part, connecting piece and foretell motor end cover, the motor has relative front end and rear end, the front end and the rear end of motor are equipped with respectively the motor end cover, the connecting piece passes through the motor end cover assembly of mounting hole with motor main part and front and rear end to be in the same place.

As the preferred arrangement of the utility model, the connecting piece is a screw joint piece.

The utility model discloses possess following beneficial effect:

1. the utility model has simple structure and reasonable design, the plurality of radiating holes ensure the radiating effect, the normal use of the motor can not be influenced, and meanwhile, double-layer dustproof screen meshes are arranged in the radiating holes, thereby avoiding dust and sundries from entering the interior of the motor, ensuring the use safety of the motor and prolonging the service life;

2. the utility model discloses evenly set up the roller on the shaft hole inner wall, the spindle nose of motor penetrates the shaft hole, and the surface is tangent with roller all around, and the roller can reduce the friction, provides firm support for the spindle nose again, keeps rotatory axiality, avoids rocking, and the structure is firm, has further ensured the normal operating of motor;

3. the utility model discloses through design into the bar with the mounting hole, make a mounting hole have a plurality of insertion positions of keeping away from the end cover central point in proper order and arranging, make between the both ends lid can install the motor main part of different sizes through the connecting piece, the connecting piece can be inserted from the different insertion positions of mounting hole, thus install the end cover of a size on the motor main part of multiple sizes, realized the standardization of end cover, reduced the manufacturing and the design cost of end cover;

4. the motor end cover of the utility model is provided with a plurality of positioning holes on the end cover body and outside the shaft hole in a surrounding array manner, thus the bearing can be installed in the end cover body only by arranging the clamping hook matched with the positioning holes on the outer ring of the bearing, and the assembly and disassembly are convenient; simultaneously, the positioning holes are uniformly distributed on the end cover body, the distance between each hole and the circle center of the shaft hole is equal, namely, each hole is distributed on the concentric circle of the shaft hole, so that the bearing is more stably installed and is tightly attached to the end cover body.

Drawings

FIG. 1 is a top view of a motor end cap;

1-an end cap body;

2-connecting plates;

3-mounting holes;

4-a connector;

5-shaft hole;

6-positioning holes;

7-heat dissipation holes;

8-dustproof screen mesh;

9-roller.

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.

Example 1

Referring to fig. 1, an object of an embodiment of the present invention is to provide an end cover for a motor, including an end cover body 1, where the end cover body 1 is a cross-shaped end cover, a hollow cylindrical connecting plate 2 is fixedly connected to a bottom of the end cover body, and four corners of the end cover body 1 are provided with mounting holes 3 for inserting connecting pieces 4; the end cover comprises an end cover body 1 and is characterized in that a shaft hole 5 is formed in the center of the end cover body 1, a plurality of rollers 9 are uniformly installed on the inner wall of the shaft hole in an embedded mode, a plurality of positioning holes 6 are formed in the annular array around all the shaft holes 5, and a plurality of heat dissipation holes 7 are uniformly and annularly distributed on the periphery of each positioning hole 6.

As the utility model discloses the preferred setting of embodiment, furtherly, roller 9 quantity is 4, and the contained angle of the line of two arbitrary rollers and shaft hole centre of a circle is 90.

As the preferred setting of the embodiment of the present invention, further, the distance from each positioning hole 6 to the center of the shaft hole 5 is equal. So set up, evenly set up roller 9 on the 5 inner walls in shaft hole, the spindle nose of motor penetrates the shaft hole, and the surface is tangent with roller 9 all around, and roller 9 can reduce friction, provides firm support for the spindle nose again, keeps rotatory axiality, avoids rocking, and the structure is firm, has further ensured the normal operating of motor.

By adopting the technical scheme, the plurality of positioning holes 6 are arranged on the end cover body 1 and outside the shaft hole 5 in a surrounding array mode, so that the bearing can be installed in the end cover body 1 only by arranging the clamping hooks matched with the positioning holes 6 on the outer ring of the bearing, and the bearing is convenient to assemble and disassemble; simultaneously, the positioning holes 6 are uniformly distributed on the end cover body 1, and the distance between each hole and the circle center of the shaft hole 5 is equal, namely, each hole is distributed on the concentric circle of the shaft hole 5, so that the bearing can be more stably installed and is tightly attached to the end cover body 1.

As the utility model discloses preferred setting, furtherly, be provided with dustproof screen 8 in the louvre 7.

As the utility model discloses the preferred setting, further, every dustproof screen 8's quantity is two in the louvre 7, set up respectively in the both ends of louvre 7.

Through adopting above-mentioned technical scheme, the motor is in the in-process that lasts the operation, constantly produces, the heat of collecting together, and evenly distributed's louvre 7 can make the even effluvium of heat in the motor, simultaneously, sets up double-deck dustproof screen cloth 8 at louvre 7 both ends, and inside avoiding dust, debris entering motor that can be fine, guarantee the safe in utilization of motor, increase of service life.

As the preferred setting of the embodiment of the present invention, further, the mounting hole 3 is a bar-shaped hole.

As the preferred setting of the embodiment of the utility model provides a, furtherly, the length direction in bar hole is for keeping away from the radial direction in shaft hole 5.

Through adopting above-mentioned technical scheme, through designing into the bar with mounting hole 3, make a mounting hole 3 have a plurality of insert the position of keeping away from 1 central point of end cover body in proper order and arranging, make between the both ends lid can install not unidimensional motor main part through connecting piece 4, connecting piece 4 can insert the position from the difference of mounting hole 3 and insert, thereby install the end cover of a size in the motor main part of multiple size, the standardization of end cover has been realized, the manufacturing and the design cost of end cover have been reduced.

Example 2

An embodiment of the utility model provides a motor, the motor includes motor main part, connecting piece and the motor end cover that provides in embodiment 1, the motor has relative front end and rear end, the front end and the rear end of motor are equipped with the motor end cover that embodiment 1 provided respectively, connecting piece 4 assembles motor main part and the motor end cover of front and rear end to be in the same place through mounting hole 3.

As a preferred arrangement of the embodiment of the present invention, further, the connecting member 4 is a screw member.

To sum up, the utility model discloses simple structure, reasonable in design can effectively dispel the heat in to the motor main part, is applicable to the motor main part of assembly unidimensional simultaneously, has realized the standardization of end cover, has reduced the manufacturing and the design cost of end cover, in addition, the utility model discloses the installation that enables the bearing is more stable, and is inseparable with the laminating of end cover body.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Claims (9)

1. A motor end cover comprises an end cover body and is characterized in that the end cover body is a cross-shaped end cover, a hollow columnar connecting plate is fixedly connected to the bottom of the end cover body, and mounting holes are formed in four corners of the end cover body and used for inserting connecting pieces; the end cover comprises an end cover body and is characterized in that a shaft hole is formed in the center of the end cover body, and a plurality of rollers are uniformly embedded in the inner wall of the shaft hole; a plurality of positioning holes are annularly arrayed around all the shaft holes, and a plurality of heat dissipation holes are uniformly and annularly distributed on the periphery of the positioning holes.

2. The motor end cover of claim 1, wherein the number of the rollers is 4, and an included angle between a connecting line of any two rollers and the center of the shaft hole is 90 degrees.

3. The motor end cap of claim 1, wherein a dust screen is disposed within the heat dissipation aperture.

4. The motor end cap of claim 3, wherein the number of the dustproof screens in each heat dissipation hole is two, and the two dustproof screens are respectively arranged at two ends of each heat dissipation hole.

5. The motor end cover of claim 1, wherein the mounting holes are bar holes.

6. The motor end cover of claim 5, wherein the length direction of the strip-shaped hole is a radial direction away from the shaft hole.

7. The motor end cover of claim 1, wherein the positioning holes are equidistant from the center of the shaft hole.

8. An electric machine comprising a machine body, a connector and a machine end cap according to any one of claims 1 to 7, the electric machine having opposite front and rear ends, the machine end caps being provided at the front and rear ends of the electric machine, respectively, the connector fitting the machine body and the machine end caps at the front and rear ends together through a mounting hole.

9. The electric machine of claim 8 wherein said connection is a threaded connection.

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