CN111799923A

CN111799923A - Dust-proof housing for permanent magnet motor

Info

Publication number: CN111799923A
Application number: CN202010782663.9A
Authority: CN
Inventors: 秦岭; 宋泽新
Original assignee: Jiangsu Huake Permanent Magnet Technology Co ltd
Current assignee: Jiangsu Huake Permanent Magnet Technology Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2020-10-20

Abstract

The invention discloses a dustproof shell for a permanent magnet motor, which comprises the permanent magnet motor, wherein a dustproof shell is sleeved on the surface of the permanent magnet motor, a dustproof cover is fixedly arranged on the left side of the permanent magnet motor through screws, the left side of the dustproof shell penetrates into the dustproof cover, the right side of the top of the dustproof shell is communicated with an air inlet, the right side of the dustproof shell is communicated with air outlet holes which are uniformly distributed, mounting blocks are fixedly arranged on the top and the bottom of the dustproof cover, and fixing pins are arranged in the mounting blocks. The invention is used for protecting the permanent magnet motor through the matching between the dustproof shell and the dustproof cover, so as to prevent external dust from entering the interior of the dustproof shell to damage the permanent magnet motor, the air inlet is arranged to introduce external air into the interior of the dustproof shell to cool the permanent magnet motor, the air outlet is arranged to discharge air and heat in the dustproof shell, and meanwhile, the problem that the temperature of the motor is increased because the existing motor dustproof shell cannot ventilate is solved.

Description

Dust-proof housing for permanent magnet motor

Technical Field

The invention relates to the technical field of permanent magnet motors, in particular to a dustproof shell for a permanent magnet motor.

Background

The permanent magnet direct current motor can be divided into a permanent magnet brushless direct current motor and a permanent magnet brush direct current motor according to the existence of a brushless direct current motor, the permanent magnet direct current motor is a direct current motor which uses a permanent magnet to establish a magnetic field, the permanent magnet direct current motor is widely applied to various portable electronic equipment or appliances, such as a recorder, a VCD (video recorder), a phonograph, an electric massager and various toys, also is widely applied to industries of automobiles, motorcycles, hand dryers, electric bicycles, storage battery cars, ships, aviation, machinery and the like, and also is widely applied to some high-precision products, such as a video recorder, a copier, a camera, a mobile phone, a precision machine tool, a bank note counter, a bank note binding machine and the like.

The existing motor is airtight after a dustproof shell is additionally arranged, so that the internal temperature is increased, and the service life of the motor is influenced.

Disclosure of Invention

The invention aims to provide a dustproof shell for a permanent magnet motor, which has the advantage of being capable of dissipating heat of the motor and solves the problem that the temperature of the motor is increased due to the fact that the existing dustproof shell for the motor cannot ventilate.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a dust cover for permanent-magnet machine, includes permanent-magnet machine, permanent-magnet machine's surface cover is equipped with the shield, there is the shield in permanent-magnet machine's left side through screw fixed mounting, the left side of shield runs through to the inside of shield, the right side intercommunication at shield top has the air inlet, the right side intercommunication of shield has evenly distributed's venthole, the top of shield and the equal fixed mounting in bottom have the installation piece, the inside of installation piece is provided with the fixed pin.

Preferably, the mounting groove has been seted up to the inside of installation piece and shield, the fixed pin runs through installation piece and shield through the mounting groove, the bottom of fixed pin runs through to the inside of shield, the surface of fixed pin and the inside cover that is located the mounting groove are equipped with the spring.

Preferably, the inside of shield and the both sides that are located the mounting groove have all seted up the spout, the inside sliding connection of spout has the slider, one side and the fixed pin fixed connection of slider, the spring is spacing through slider and stopper.

Preferably, the top of air inlet is connected with the top cap through the screw thread is rotated, fixed mounting has the dust screen between top cap and the air inlet.

Preferably, the inside fixed mounting of venthole has the installation circle, the right side of installation circle is articulated through the hinge and is had the palirrhea lid.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention is used for protecting the permanent magnet motor through the matching between the dustproof shell and the dustproof cover, so as to prevent external dust from entering the interior of the dustproof shell to damage the permanent magnet motor, the air inlet is arranged to introduce external air into the interior of the dustproof shell to cool the permanent magnet motor, the air outlet is arranged to discharge air and heat in the dustproof shell, and meanwhile, the problem that the temperature of the motor is increased because the existing motor dustproof shell cannot ventilate is solved.

2. The invention is used for installing the fixed pin by arranging the installation groove, fixing the dustproof shell and the dustproof cover by arranging the fixed pin, thereby realizing the fixation of the dustproof shell and the permanent magnet motor, tightly supporting the fixed pin to the inside of the dustproof shell by arranging the spring, preventing the bottom of the fixed pin from separating from the dustproof shell to cause the separation of the dustproof shell and the dustproof cover, realizing the limit of the fixed pin by matching between the sliding chute and the sliding block, simultaneously limiting the spring by using the sliding block, preventing the fixed pin from deviating when moving, facilitating the installation and the disassembly of the top cover and the air inlet by arranging the thread, facilitating the replacement of the dustproof net, preventing dust from entering the inside of the dustproof shell to damage the permanent magnet motor by arranging the dustproof net for filtering the air entering the inside of the dustproof shell, preventing the outside air from entering the inside of the dustproof shell by matching between the installation ring and the reverse flow cover, thereby causing damage to the permanent magnet motor.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;

FIG. 3 is a schematic cross-sectional view of an air inlet according to the present invention;

FIG. 4 is a schematic cross-sectional view of the vent hole of the present invention.

In the figure: 1. a permanent magnet motor; 2. a dust-proof shell; 3. a dust cover; 4. an air outlet; 5. an air inlet; 6. mounting blocks; 7. a spring; 8. a fixing pin; 9. a chute; 10. mounting grooves; 11. a slider; 12. a top cover; 13. a dust screen; 14. installing a ring; 15. a reflux cap.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-4, a dust-proof housing for a permanent magnet motor comprises a permanent magnet motor 1, a dust-proof housing 2 is sleeved on the surface of the permanent magnet motor 1, a dust-proof cover 3 is fixedly mounted on the left side of the permanent magnet motor 1 through screws, the left side of the dust-proof housing 2 penetrates into the dust-proof cover 3, an air inlet 5 is communicated with the right side of the top of the dust-proof housing 2, air outlet holes 4 are uniformly distributed on the right side of the dust-proof housing 2, mounting blocks 6 are fixedly mounted on the top and the bottom of the dust-proof cover 3, fixing pins 8 are arranged in the mounting blocks 6, the permanent magnet motor 1 is protected through the cooperation between the dust-proof housing 2 and the dust-proof cover 3, external dust is prevented from entering the interior of the dust-proof housing 2 to damage the permanent magnet motor 1, the air inlet 5 is used for guiding external air into the interior of the dust-proof housing 2 to cool the permanent magnet, the installation block 6 and the dust cap 3 are internally provided with an installation groove 10, a fixed pin 8 penetrates through the installation block 6 and the dust cap 3 through the installation groove 10, the bottom of the fixed pin 8 penetrates into the dust shell 2, the surface of the fixed pin 8 and the part positioned in the installation groove 10 are sleeved with a spring 7, the fixed pin 8 is installed by arranging the installation groove 10, the dust shell 2 and the dust cap 3 are fixed by arranging the fixed pin 8, so that the dust shell 2 and the permanent magnet motor 1 are fixed, the fixed pin 8 is tightly abutted to the inside of the dust shell 2 by arranging the spring 7, the separation of the dust shell 2 and the dust cap 3 caused by the separation of the bottom of the fixed pin 8 and the dust shell 2 is prevented, the two sides in the installation groove 10 in the dust cap 3 are both provided with sliding grooves 9, the sliding block 11 is connected to the sliding grooves 9 in the sliding block 11, and one side, the spring 7 is limited by a slider 11 and a limiting block, the fixed pin 8 is limited by the matching between a chute 9 and the slider 11, the spring 7 is limited by the slider 11, the fixed pin 8 is prevented from shifting when moving, the top of the air inlet 5 is connected with a top cover 12 by screw thread rotation, a dustproof net 13 is fixedly arranged between the top cover 12 and the air inlet 5, the top cover 12 and the air inlet 5 are convenient to install and disassemble by arranging screw thread, the dustproof net 13 is convenient to replace, the dust is prevented from entering the interior of the dustproof shell 2 to damage the permanent magnet motor 1 by arranging the dustproof net 13 to filter the air entering the interior of the dustproof shell 2, a mounting ring 14 is fixedly arranged in the air outlet hole 4, the right side of the mounting ring 14 is hinged with a reverse flow cover 15 by a hinge, the external air is prevented from entering the interior of the dustproof shell 2 by the matching between the mounting ring 14 and the reverse flow cover 15, thereby causing damage to the permanent magnet motor 1.

During the use, install shield 3 to permanent-magnet machine 1's left side through the screw, set up permanent-magnet machine 1's surface with 2 covers of shield, and run through the inside to shield 3 with the left side of shield 2, pull out fixed pin 8 from the inside of installation piece 6 before running through, loosen fixed pin 8 when treating shield 2 and run through to shield 3's inside, support fixed pin 8 to shield 2's inside under the effect of spring 7, thereby realize shield 2 and shield 3's fixed, take off top cap 12 from the top of air inlet 5, install dust screen 13 to top cap 12's inside, be connected with air inlet 5 through the screw with top cap 12, filter the air through dust screen 13, discharge the inside air of shield 2 through venthole 4 and palirrhea lid 15.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dust cover for permanent-magnet machine, includes permanent-magnet machine (1), its characterized in that: the surface cover of permanent-magnet machine (1) is equipped with shield (2), there is shield (3) in the left side of permanent-magnet machine (1) through screw fixed mounting, the left side of shield (2) runs through to the inside of shield (3), the right side intercommunication at shield (2) top has air inlet (5), the right side intercommunication of shield (2) has evenly distributed's venthole (4), the top and the equal fixed mounting in bottom of shield (3) have installation piece (6), the inside of installation piece (6) is provided with fixed pin (8).

2. The dust-proof housing for a permanent magnet motor according to claim 1, wherein: mounting groove (10) have been seted up to the inside of installation piece (6) and shield (3), installation piece (6) and shield (3) are run through installation piece (8) and shield (3) through mounting groove (10), the bottom of fixed pin (8) is run through to the inside of shield (2), the surface of fixed pin (8) and the inside cover that is located mounting groove (10) are equipped with spring (7).

3. The dust-proof housing for a permanent magnet motor according to claim 2, wherein: spout (9) have all been seted up to the inside of shield (3) and the both sides that are located mounting groove (10), the inside sliding connection of spout (9) has slider (11), one side and fixed pin (8) fixed connection of slider (11), spring (7) are spacing through slider (11) and stopper.

4. The dust-proof housing for a permanent magnet motor according to claim 1, wherein: the top of air inlet (5) is connected with top cap (12) through the screw thread rotation, fixed mounting has dust screen (13) between top cap (12) and air inlet (5).

5. The dust-proof housing for a permanent magnet motor according to claim 1, wherein: the inside fixed mounting of venthole (4) has installation circle (14), the right side of installation circle (14) is articulated through the hinge has backward flow lid (15).