CN217427883U

CN217427883U - Large direct-current brushless industrial fan motor

Info

Publication number: CN217427883U
Application number: CN202123264913.9U
Authority: CN
Inventors: 潘道旺
Original assignee: Suzhou Langhao Industrial Technology Co ltd
Current assignee: Suzhou Langhao Industrial Technology Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-09-13
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a large fan motor in direct current brushless industry, which relates to the technical field of large fan motors and comprises a base and a cylindrical shell fixedly arranged on the base, wherein both ends of the shell are connected with protective covers through a mounting mechanism, the top of the base penetrates through the shell and extends to the interior of the shell, the top of the base extending to the interior of the shell is provided with a motor part, the interior of the motor part is rotatably connected with a rotating shaft, both ends of the rotating shaft are respectively rotatably connected with two protective covers, one end of the rotating shaft is connected with a connecting sleeve through a thread, the connecting sleeve is provided with a plurality of fan blades through a connecting mechanism, the fan blades are arranged on the rotating shaft through the connecting mechanism and the connecting sleeve, and the fan blades are conveniently mounted through the connecting mechanism, thereby facilitating the operation, solving the problems of larger volume, space occupation and inconvenient operation when the fan is arranged in the prior art, the installation is complicated.

Description

Large direct-current brushless industrial fan motor

Technical Field

The utility model relates to a big fan motor technical field especially relates to a big fan motor of brushless industry of direct current.

Background

In industrial application, the motor is mostly a traditional three-phase asynchronous motor, a speed reducing mechanism is arranged to reduce the speed and increase the torque, a frequency converter is used for realizing speed regulation, the system structure is complex, the size is large, the power density is low, the efficiency is low, frequent maintenance is needed, and the market share is gradually reduced.

The existing large fan motor for industry needs to install and detach the whole fan when the fan blades are installed and detached, the mode is troublesome, the operation is inconvenient, and the installation occupies a larger space.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of the prior art that the fan is mounted and disassembled in a troublesome way, and providing a large direct-current brushless industrial fan motor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a big fan motor of brushless industry of direct current, includes base and the casing of fixed mounting cylindricality on the base, the both ends of casing all are connected with the protective cover through installation mechanism, the top of base runs through the inside that just extends to the casing of casing, the top that the base extends to the casing inside is provided with motor zero device, the inside rotation of motor zero device is connected with the pivot, just the both ends of pivot rotate with two protective covers respectively and are connected, the one end threaded connection of pivot has the adapter sleeve, be provided with a plurality of flabellums through coupling mechanism on the adapter sleeve.

The above technical solution further comprises:

the connecting mechanism comprises a plurality of hole grooves formed in one side of the connecting sleeve, a plurality of connecting plates are arranged in the hole grooves in a sliding insertion mode, one side of each connecting plate is fixedly connected with one side of each fan blade, and a plurality of screws are connected to the side wall of the connecting sleeve in a threaded mode.

The motor zero device comprises a rotor fixedly connected to the rotating shaft, rotor windings are fixedly connected to the two ends of the rotor, a stator core is fixedly connected to the inner wall of the shell, stator windings are fixedly connected to the two ends of the inner portion of the stator core, and the rotor windings are located inside the stator core.

The mounting mechanism comprises two holes A which are respectively arranged at two ends of the shell, the spring is fixed inside each hole A, two grooves communicated with the two holes A are respectively arranged on the side walls of the two ends of the shell, and two holes B are respectively arranged at the two ends of the shell.

Two the inboard of protective cover is two connecting blocks of fixedly connected with respectively, four the connecting block is corresponding with four hole B respectively, two the inboard of protective cover is two fixedly connected with respectively has elastic L shape inserted block, four the inserted block is corresponding with four hole A respectively.

Two equal fixedly connected with sealing washer in inboard of protective cover, and two equal fixedly connected with filter screen on the protective cover, two the filter screen is located the inboard of two sealing washers respectively.

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

1. the utility model discloses in, the flabellum passes through coupling mechanism and adapter sleeve and installs in the pivot, and through the convenient installation to the flabellum of coupling mechanism, and then convenient operation, and it is great to have solved the installation fan among the prior art when the volume, occupation space, inconvenient operation, the complicated problem of installation.

2. The utility model discloses in, install and dismantle the protective cover through installation mechanism, and then conveniently install the flabellum, the setting of filter screen prevents to filter external dust, prevents that the flabellum from inhaling the dust when rotating, influences the normal work of motor spare part.

Drawings

Fig. 1 is a schematic view of a partial front view structure of a dc brushless industrial large fan motor according to the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is a schematic structural view of the protective cover of the present invention;

fig. 4 is a schematic diagram of a side view of a part of a large dc brushless industrial fan motor according to the present invention;

fig. 5 is a schematic structural diagram of the rotating shaft according to the present invention.

In the figure: 1. a base; 2. a housing; 3. an installation mechanism; 31. a hole A; 32. a spring; 33. a hole B; 34. a groove; 35. connecting blocks; 36. inserting a block; 37. a seal ring; 38. filtering with a screen; 4. a protective cover; 5. a motor zero device; 51. a rotor; 52. a rotor winding; 53. a stator core; 54. a stator winding; 6. a rotating shaft; 7. connecting sleeves; 8. a connecting mechanism; 81. a hole groove; 82. a connecting plate; 83. a screw; 9. a fan blade.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1-5, the present invention provides a large dc brushless industrial fan motor, which comprises a base 1 and a cylindrical housing 2 fixedly mounted on the base 1, wherein both ends of the housing 2 are connected with protective covers 4 through mounting mechanisms 3, the top of the base 1 penetrates through the housing 2 and extends into the housing 2, a motor component 5 is disposed on the top of the base 1 extending into the housing 2, the interior of the motor component 5 is rotatably connected with a rotating shaft 6, both ends of the rotating shaft 6 are rotatably connected with two protective covers 4 respectively, one end of the rotating shaft 6 is in threaded connection with a connecting sleeve 7, and the connecting sleeve 7 is provided with a plurality of fan blades 9 through a connecting mechanism 8;

the connecting mechanism 8 comprises a plurality of hole grooves 81 formed in one side of the connecting sleeve 7, connecting plates 82 are slidably inserted into the hole grooves 81, one sides of the connecting plates 82 are fixedly connected with one sides of the fan blades 9, and a plurality of screws 83 are connected to the side wall of the connecting sleeve 7 in a threaded manner;

the motor zero device 5 comprises a rotor 51 fixedly connected to the rotating shaft 6, both ends of the rotor 51 are fixedly connected with rotor windings 52, the inner wall of the shell 2 is fixedly connected with a stator core 53, both ends of the interior of the stator core 53 are fixedly connected with stator windings 54, and the rotor 51 and the rotor windings 52 are both positioned in the interior of the stator core 53;

in this embodiment, the fan blades 9 are mounted on the rotating shaft 6 through the connecting mechanism 8 and the connecting sleeve 7, and the connecting mechanism 8 is convenient for mounting the fan blades 9, so that the operation is convenient, and the problems of large volume, space occupation, inconvenient operation and complex mounting in the prior art during fan mounting are solved, specifically, one of the protective covers 4 is dismounted through the mounting mechanism 3, the connecting plate 82 is inserted into the hole groove 81 during fan blade 9 mounting, and then the screw 83 is used for fixing the connecting plate 82, so that the fan blades 9 are fixed;

when the whole motor works, the rotor 51 rotates to drive the rotating shaft 6 to rotate, the stator core 53 and the stator winding 54 are fixed, the rotating shaft 6 rotates to drive the connecting sleeve 7 to rotate, the connecting sleeve 7 drives the fan blades 9 to rotate through the connecting mechanism 8, and the fan blades 9 radiate the motor parts 5 when rotating to prevent the work from being influenced by high heat.

Example 2

As shown in fig. 1-3, based on embodiment 1, the mounting mechanism 3 includes two holes a31 respectively opened at two ends of the housing 2, the springs 32 are fixed inside the two holes a31, two grooves 34 communicated with the two holes a31 are respectively opened on the side walls at two ends of the housing 2, and two holes B33 are respectively opened at two ends of the two housings 2;

the inner sides of the two protective covers 4 are respectively and fixedly connected with two connecting blocks 35, the four connecting blocks 35 respectively correspond to the four holes B33, the inner sides of the two protective covers 4 are respectively and fixedly connected with two L-shaped inserting blocks 36 with elasticity, and the four inserting blocks 36 respectively correspond to the four holes A31;

the inner sides of the two protective covers 4 are fixedly connected with sealing rings 37, the two protective covers 4 are fixedly connected with filter screens 38, and the two filter screens 38 are respectively positioned on the inner sides of the two sealing rings 37;

in this embodiment, the protective cover 4 is mounted and dismounted by the mounting mechanism 3, during mounting, the connecting block 35 is inserted into the corresponding hole B33, the inserting block 36 is pressed to make the tail side of the inserting block inserted into the corresponding hole a31, the inserting block 36 presses the spring 32, when the inserting block 36 meets the groove 34, the tail side of the inserting block 36 is popped outwards to penetrate through the groove 34 and extend to the outside of the groove 34, the sealing rings 37 correspond to the two ends of the housing 2 to seal, so that the protective cover 4 is mounted at the two ends of the housing 2, the filter screen 38 is arranged to prevent external dust from being filtered, and the fan blades 9 are prevented from sucking dust when rotating to affect the normal operation of the motor zero device 5;

when the protective cover is disassembled, the inserting block 36 is pressed to enable the tail side of the inserting block to move into the groove 34, under the action of the elastic force recovered by the spring 32, the spring 32 enables the inserting block 36 to pop out of the hole A31, and then the protective cover 4 is directly pulled out to be disassembled.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a big fan motor of brushless industry of direct current, includes casing (2) of base (1) and fixed mounting cylindricality on base (1), its characterized in that, the both ends of casing (2) all are connected with protective cover (4) through installation mechanism (3), the top of base (1) runs through the inside that just extends to casing (2) of casing (2), the top that base (1) extends to casing (2) inside is provided with motor spare part (5), the internal rotation of motor spare part (5) is connected with pivot (6), just the both ends of pivot (6) rotate with two protective cover (4) respectively and are connected, the one end threaded connection of pivot (6) has adapter sleeve (7), be provided with a plurality of flabellum (9) through coupling mechanism (8) on adapter sleeve (7).

2. The large direct current brushless industry fan motor according to claim 1, wherein the connecting mechanism (8) comprises a plurality of hole slots (81) formed in one side of the connecting sleeve (7), a plurality of connecting plates (82) are slidably inserted into the hole slots (81), one side of each of the connecting plates (82) is fixedly connected with one side of each of the fan blades (9), and a plurality of screws (83) are screwed on the side wall of the connecting sleeve (7).

3. The large direct-current brushless industrial fan motor according to claim 1, wherein the motor component (5) comprises a rotor (51) fixedly connected to the rotating shaft (6), both ends of the rotor (51) are fixedly connected with rotor windings (52), a stator core (53) is fixedly connected to the inner wall of the housing (2), both ends of the inside of the stator core (53) are fixedly connected with stator windings (54), and the rotor (51) and the rotor windings (52) are both located inside the stator core (53).

4. The large direct-current brushless industrial fan motor as claimed in claim 1, wherein the mounting mechanism (3) comprises two holes a (31) respectively formed at two ends of the housing (2), a spring (32) is fixed inside each of the two holes a (31), two grooves (34) communicated with the two holes a (31) are formed in side walls at two ends of the housing (2), and two holes B (33) are formed at two ends of the two housings (2).

5. The large dc brushless industrial fan motor as claimed in claim 4, wherein two connecting blocks (35) are fixedly connected to the inner sides of two protecting covers (4), four connecting blocks (35) correspond to four holes B (33), two elastic L-shaped insertion blocks (36) are fixedly connected to the inner sides of two protecting covers (4), and four insertion blocks (36) correspond to four holes a (31).

6. A large DC brushless industry fan motor according to claim 5, characterized in that the inner sides of two protecting covers (4) are fixedly connected with a sealing ring (37), and the upper sides of two protecting covers (4) are fixedly connected with a filtering net (38), and the two filtering nets (38) are respectively located at the inner sides of the two sealing rings (37).