CN212323850U

CN212323850U - Heat dissipation casing for permanent magnet brushless direct current motor convenient to disassemble and assemble

Info

Publication number: CN212323850U
Application number: CN202020845731.7U
Authority: CN
Inventors: 李诗凡; 王鹏; 许水珠
Original assignee: Tianjin Luhang Motor Technology Co ltd
Current assignee: Tianjin Luhang Motor Technology Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-01-08
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a permanent magnetism brushless DC motor is with heat dissipation casing convenient to dismouting, which comprises a mounting bas, the top fixedly connected with casing of mount pad, the outer wall fixed mounting of casing has a plurality of heat radiation fins, the fixed first installation mechanism that is provided with in one side of casing, one side of first installation mechanism is provided with the protecgulum, the opposite side of casing is provided with second installation mechanism. This permanent magnetism brushless DC motor is with heat dissipation casing convenient to dismouting, through first magnet, the protecgulum, spacing post, first mounting panel, the second mounting panel, first installation mechanism, and a housing, second installation mechanism, the tail-hood, first fixed orifices, first opening, the spacing groove, the second fixed orifices, the cooperation of second magnet and second opening is used, thereby when installing protecgulum and tail-hood, can injecing the position of protecgulum and tail-hood, make first fixed orifices and second fixed orifices automatic alignment, the degree of difficulty of installation has been reduced.

Description

Heat dissipation casing for permanent magnet brushless direct current motor convenient to disassemble and assemble

Technical Field

The utility model relates to a heat dissipation casing specifically is a heat dissipation casing for permanent magnet brushless DC motor convenient to dismouting.

Background

The dc motor is a rotating electrical machine that can convert dc electrical energy into mechanical energy (dc motor) or convert mechanical energy into dc electrical energy (dc generator). The motor can realize the mutual conversion of direct current electric energy and mechanical energy. When the motor is used as a motor, the motor is a direct current motor and converts electric energy into mechanical energy; when the generator is operated, the generator is a direct current generator and converts mechanical energy into electric energy. The permanent magnet dc motor may be classified into a permanent magnet brushless dc motor and a permanent magnet brush dc motor according to presence or absence of a brush. The permanent magnet brushless DC motor is a DC motor with magnetic field established by one or more permanent magnets, the performance of the permanent magnet brushless DC motor is similar to that of a separately excited DC motor with constant exciting current, and the speed can be conveniently adjusted by changing armature voltage. Compared with other excited DC motors, it has the advantages of small size, high efficiency, simple structure, less copper consumption, etc., and is the main type of low-power DC motor.

The heat dissipation casing is one of indispensable components of the permanent magnet brushless direct current motor, however, the structure of the heat dissipation casing for the traditional permanent magnet brushless direct current motor in the market is not optimized and the design is not reasonable.

Disclosure of Invention

An object of the utility model is to provide a permanent magnetism brushless DC motor is with heat dissipation casing convenient to dismouting to solve the problem that proposes in the above-mentioned background art.

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

the utility model provides a permanent magnetism brushless DC motor is with heat dissipation casing convenient to dismouting, includes the mount pad, the top fixedly connected with casing of mount pad, the outer wall fixed mounting of casing has a plurality of heat radiation fins, the fixed first installation mechanism that is provided with in one side of casing, one side of first installation mechanism is provided with the protecgulum, the opposite side of casing is provided with second installation mechanism, and second installation mechanism is all unanimous with the structure size of first installation mechanism, one side of second installation mechanism is provided with the tail-hood.

As a further aspect of the present invention: first installation mechanism includes first mounting panel and second mounting panel, and the size of first mounting panel and second mounting panel is unanimous, the second opening has been seted up in one side of first mounting panel through, a plurality of spacing grooves have been seted up to one side that first mounting panel is close to the second mounting panel, the inside fixed mounting of spacing groove has second magnet, the second fixed orifices has been seted up in one side of first mounting panel through, one side of second mounting panel is run through and is seted up first opening, one side fixed mounting that the second mounting panel is close to first mounting panel has a plurality of spacing posts, the one end fixed mounting of spacing post has first magnet, one side of second mounting panel is run through and is seted up a plurality of first fixed orifices.

As a further aspect of the present invention: the shape of spacing groove is circular, and spacing post and spacing groove looks adaptation, the shape of first magnet and second magnet is circular, and the structure size of first magnet and second magnet is all unanimous, first magnet and second magnet be magnetic adsorption to ground.

As a further aspect of the present invention: the inside fixed mounting of tail-hood has the mount, the inside fixed mounting of mount has small-size motor, small-size motor's output fixedly connected with radiating fan blade, the inside one side fixed mounting of tail-hood has the rack.

As a further aspect of the present invention: and a mesh plate is fixedly arranged on the other side inside the tail cover.

As a further aspect of the present invention: the mount is including solid fixed ring, and solid fixed ring and small-size motor looks adaptation, gu the equal fixed mounting in fixed ring's top and bottom has the support, and the inner wall fixed connection of the one end tail-hood of support.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is used by matching a first magnet, a front cover, a limiting column, a first mounting plate, a second mounting plate, a first mounting mechanism, a shell, a second mounting mechanism, a tail cover, a first fixing hole, a first through hole, a limiting groove, a second fixing hole, a second magnet and a second through hole, therefore, when the front cover and the tail cover are installed, the positions of the front cover and the tail cover can be limited, so that the first fixing hole and the second fixing hole are automatically aligned, the installation difficulty is reduced, meanwhile, the front cover and the tail cover can be supported, the front cover or the tail cover can be installed without being supported by the hands of technicians, the installation difficulty is greatly reduced, the front cover and the tail cover can be conveniently disassembled and assembled, and the magnetic adsorption of first magnet and second magnet also can prevent that the skew from appearing rocking when the installation of protecgulum and tail-hood, helps improving fixed effect.

2. The utility model discloses a heat radiation fins, the radiating fan leaf, the mesh board, the mount, the small-size motor is used with the cooperation of rack, heat radiation fins carries out heat conduction heat dissipation to the casing, rather than the inside with the leading-in casing of outside air simultaneously, further dispel the heat to the casing, help accelerating the inside thermal loss of casing, improve the radiating effect to the casing inside, and the mesh board can be with the inside of the even direction casing of air, be favorable to improving the inside radiating homogeneity of casing, the radiating effect is good, thereby be favorable to prolonging permanent magnet brushless DC motor's life, its structure is more optimized, and the design is more reasonable.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipation casing for a permanent magnet brushless dc motor, which is convenient to disassemble and assemble.

Fig. 2 is a schematic structural diagram of a first mounting mechanism in a heat dissipation housing for a permanent magnet brushless dc motor, which is convenient to disassemble and assemble.

Fig. 3 is a sectional view of a tail cover of a heat dissipation case for a permanent magnet brushless dc motor, which is easy to assemble and disassemble.

In the figure: the mounting structure comprises a mounting base 1, a first magnet 2, a front cover 3, a limiting column 4, a first mounting plate 5, a second mounting plate 6, a first mounting mechanism 7, a heat dissipation fin 8, a shell 9, a second mounting mechanism 10, a tail cover 11, a first fixing hole 12, a first through hole 13, a limiting groove 14, a second fixing hole 15, a second magnet 16, a second through hole 17, a heat dissipation fan blade 18, a mesh plate 19, a fixing frame 20, a small motor 21 and a mesh frame 22.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in the embodiment of the present invention, a heat dissipating casing for a permanent magnet brushless dc motor, which is convenient to disassemble and assemble, includes a mounting base 1, a housing 9 is fixedly connected to the top of the mounting base 1, a plurality of heat dissipating fins 8 are fixedly mounted on the outer wall of the housing 9, a first mounting mechanism 7 is fixedly disposed on one side of the housing 9, a front cover 3 is disposed on one side of the first mounting mechanism 7, a through hole is formed through one side of the front cover 3, a second mounting mechanism 10 is disposed on the other side of the housing 9, the second mounting mechanism 10 has the same size as that of the first mounting mechanism 7, a tail cover 11 is disposed on one side of the second mounting mechanism 10, the first mounting mechanism 7 includes a first mounting plate 5 and a second mounting plate 6, the first mounting plate 5 has the same size as that of the second mounting plate 6, a second through hole 17 is formed through one side of the first mounting plate 5, a plurality of limiting grooves, a second magnet 16 is fixedly arranged in the limiting groove 14, a second fixing hole 15 is arranged on one side of the first mounting plate 5 in a penetrating manner, a first through hole 13 is arranged on one side of the second mounting plate 6 in a penetrating manner, a plurality of limiting columns 4 are fixedly arranged on one side of the second mounting plate 6 close to the first mounting plate 5, a first magnet 2 is fixedly arranged at one end of each limiting column 4, a plurality of first fixing holes 12 are arranged on one side of the second mounting plate 6 in a penetrating manner, the limiting groove 14 is circular, the limiting columns 4 are matched with the limiting groove 14, the first magnet 2 and the second magnet 16 are circular, the first magnet 2 and the second magnet 16 are identical in structural size, the first magnet 2 and the second magnet 16 are magnetically adsorbed to the ground, a fixing frame 20 is fixedly arranged in the tail cover 11, a small motor 21 is fixedly arranged in the fixing frame 20, and a heat dissipation fan blade 18 is fixedly connected to the output end of the small motor 21, the inside one side fixed mounting of tail-hood 11 has rack 22, and the inside opposite side fixed mounting of tail-hood 11 has mesh board 19, and mount 20 is including solid fixed ring, and solid fixed ring and small-size motor 21 looks adaptation, and solid fixed ring's the equal fixed mounting in top and bottom has the support, and the inner wall fixed connection of the one end tail-hood 11 of support.

The utility model discloses a theory of operation is:

when the front cover 3 is installed, the limiting column 4 is aligned with the limiting groove 14, the limiting column 4 enters the limiting groove 14, the first magnet 2 and the second magnet 16 are magnetically adsorbed after the limiting column 4 enters the limiting groove 14, then the fixing bolt passes through the first fixing hole 12 and the second fixing hole 15 to realize the installation and the fixation of the front cover 3, and the tail cover 11 can also be installed and fixed in the same way, so that when the front cover 3 and the tail cover 11 are installed, the positions of the front cover 3 and the tail cover 11 can be limited, the first fixing hole 12 and the second fixing hole 15 are automatically aligned, the installation difficulty is reduced, meanwhile, the front cover 3 and the tail cover 11 can also be supported, a technician does not need to hold the front cover 3 or the tail cover 11 by hands to install the front cover 3 or the tail cover 11, the installation difficulty is greatly reduced, be convenient for carry out the dismouting to protecgulum 3 and tail-hood 11, and the magnetic adsorption of first magnet 2 and second magnet 16, also can prevent that the skew from appearing rocking when protecgulum 3 and tail-hood 11 are installed, help improving fixed effect, heat radiation fins 8 carries out heat conduction heat dissipation to casing 9, it is rotatory with its small-size motor 21 drive radiating fan blade 18 simultaneously, with the inside of the leading-in casing 9 of outside air, further dispel the heat to casing 9, help accelerating the inside thermal loss of casing 9, improve the radiating effect to casing 9 inside, and mesh board 19 can be with the inside of the even direction casing 9 of air, be favorable to improving the inside radiating homogeneity of casing 9, the radiating effect is good, thereby be favorable to prolonging permanent magnet brushless DC motor's life, its structure is more optimized, design is more reasonable.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a permanent magnetism brushless DC motor is with heat dissipation casing convenient to dismouting, includes mount pad (1), its characterized in that: the top fixedly connected with casing (9) of mount pad (1), the outer wall fixed mounting of casing (9) has a plurality of heat radiation fins (8), one side of casing (9) is fixed and is provided with first installation mechanism (7), one side of first installation mechanism (7) is provided with protecgulum (3), the opposite side of casing (9) is provided with second installation mechanism (10), and second installation mechanism (10) is all unanimous with the structure size of first installation mechanism (7), one side of second installation mechanism (10) is provided with tailcap (11).

2. The heat dissipation casing for permanent magnet brushless direct current motor of claim 1, characterized in that: the first mounting mechanism (7) comprises a first mounting plate (5) and a second mounting plate (6), the first mounting plate (5) and the second mounting plate (6) are the same in size, a second through hole (17) is formed in one side of the first mounting plate (5) in a penetrating mode, a plurality of limiting grooves (14) are arranged on one side of the first mounting plate (5) close to the second mounting plate (6), a second magnet (16) is fixedly arranged in the limiting groove (14), a second fixing hole (15) is formed in one side of the first mounting plate (5) in a penetrating manner, a first through hole (13) is arranged on one side of the second mounting plate (6) in a penetrating way, a plurality of limiting columns (4) are fixedly arranged on one side of the second mounting plate (6) close to the first mounting plate (5), one end fixed mounting of spacing post (4) has first magnet (2), a plurality of first fixed orificess (12) have been run through to one side of second mounting panel (6).

3. The heat dissipation casing for permanent magnet brushless direct current motor of claim 2, characterized in that: the shape of spacing groove (14) is circular, and spacing post (4) and spacing groove (14) looks adaptation, the shape of first magnet (2) and second magnet (16) is circular, and the structure size of first magnet (2) and second magnet (16) is all unanimous, first magnet (2) and second magnet (16) are magnetic adsorption to ground.

4. The heat dissipation casing for permanent magnet brushless direct current motor of claim 1, characterized in that: the utility model discloses a fan, including tail-hood (11), the inside fixed mounting of tail-hood (11) has mount (20), the inside fixed mounting of mount (20) has small motor (21), the output fixedly connected with heat dissipation flabellum (18) of small motor (21), one side fixed mounting of tail-hood (11) inside has rack (22).

5. The heat dissipation casing for permanent magnet brushless direct current motor of claim 4, characterized in that: and a mesh plate (19) is fixedly arranged on the other side inside the tail cover (11).

6. The heat dissipation casing for permanent magnet brushless direct current motor of claim 4, characterized in that: the fixing frame (20) comprises a fixing ring and a small motor (21) which are matched, the top and the bottom of the fixing ring are fixedly provided with a support, and the inner wall of one end tail cover (11) of the support is fixedly connected.