CN219181262U

CN219181262U - Rib mill rifle external rotor motor structure

Info

Publication number: CN219181262U
Application number: CN202223241966.3U
Authority: CN
Inventors: 唐甲荣; 张天刚; 叶开
Original assignee: Nichibo Motor Shenzhen Co ltd
Current assignee: Nichibo Motor Shenzhen Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-06-13
Anticipated expiration: 2032-12-05

Abstract

The utility model relates to a rib grinding gun outer rotor motor structure which comprises an iron shell. This muscle grinds rifle external rotor motor structure through being provided with square controller PCB board can overall arrangement more relevant components and parts and bigger power MOS pipe, can guarantee that the electrical safety distance between the different components is more abundant, reliability and the security of controller circular telegram work have been improved, balance is done after the magnet is assembled to the horn mouth iron shell, can add balanced soil in the horn mouth, the inconvenient problem of adding balanced soil in rear end has effectively been solved, the iron shell inner wall is beaten the muscle and can be prevented after the magnet assembly and is deflected one side effectively, the concentricity of magnet has been ensured, thrust collar terminal surface fluting can prevent that thrust collar riveting back hole atress warp, the big problem of beating that the bending deformation leads to after having avoided the axle to press into thrust collar, support tube position surface increases semi-circular convex hull, can be in the same place with firm fixing of iron core through convex hull, the glue cost has been saved, the concentricity of support stator core of packing into has been guaranteed simultaneously.

Description

Rib mill rifle external rotor motor structure

Technical Field

The utility model relates to the technical field of rotor motors, in particular to a rib grinding gun outer rotor motor structure.

Background

The rotor motor is also a rotating part in the motor, and the motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy, and the motor rotor is divided into a motor rotor and a generator rotor.

The existing external rotor motor of the rib milling gun is generally designed into a cylindrical opening through an iron shell opening, however, after a magnet is assembled on an iron shell, the rear port is inconvenient to be weighted and balanced, a controller is designed into a round shape, but the space is too compact, wiring is not easy to be conducted, short circuits are easy to occur among different units, the inner wall of the iron shell is a smooth surface, the magnet is easy to deviate to one side after being assembled into the iron shell, the motor performance is unstable, a thrust ring at the rear end of the iron shell is of a planar structure, an inner hole is easy to be reduced after the thrust ring is assembled into the iron shell in a riveting mode, deformation and jumping are large after a shaft is pressed in, the matching surface of a bracket and an inner hole of a stator core is smooth, the bracket is easy to deviate to one side after being assembled into the inner hole of the core, and the motor is not smooth to run, and the external rotor motor structure of the rib milling gun is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a rib grinding gun outer rotor motor structure which has the advantage of good stability, and solves the problems that the prior rib grinding gun outer rotor motor is generally designed to be a cylindrical opening by adopting an iron shell opening part, the rear port part is inconvenient to be weighted and balanced after a magnet is assembled on an iron shell, a controller is designed to be round, the space is too compact and is not beneficial to wiring, short circuits are easy to occur among different elements, the inner wall of the iron shell is a smooth surface, the magnet is easy to deviate to one side after being assembled into the iron shell, the motor performance is unstable, a thrust ring at the rear end of the iron shell is of a plane structure, the inner hole is easy to be reduced after the thrust ring is assembled into the iron shell in a riveting mode, deformation and run-out are large after the shaft is pressed, the matching surface of a bracket and the inner hole of a stator core is smooth, and the bracket is easy to deviate to one side after being assembled into the inner hole of the iron core, and the motor is not smooth.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a muscle grinds rifle external rotor motor structure, includes the iron shell, the surface movable mounting of iron shell has the controller, the surface fixed mounting of iron shell has the thrust collar, the surface fixed mounting of iron shell has the riveting point, the surface movable mounting of iron shell has the support, the surface fixed mounting of support has stator core, the interior surface movable mounting of iron shell has the rotor subassembly, the surface movable mounting of iron shell has the fixed bolster.

Further, the iron shell comprises a rib, the rib is fixedly arranged on the front face of the iron shell, and a horn mouth is fixedly arranged on the right side of the iron shell.

Further, the rotor assembly comprises a magnet, the magnet is fixedly arranged on the inner wall of the iron shell, a shaft with one end penetrating through and extending to the outside is rotatably arranged on the left side of the iron shell, and fixing grooves are formed in the inner top wall and the inner bottom wall of the iron shell.

Further, the outer surface of the thrust ring is provided with grooves with the number not less than two.

Further, the outer surface of the fixed support is fixedly provided with convex hulls with the number not less than three.

Further, the thrust ring is in a circular ring shape.

Further, the controller is square, and the inside is offered and is not less than ten connecting hole of quantity.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this muscle grinds rifle external rotor motor structure through being provided with square controller PCB board can overall arrangement more relevant components and parts and bigger power MOS pipe, can guarantee that the electrical safety distance between the different components is more abundant, reliability and the security of controller circular telegram work have been improved, balance is done after the magnet is assembled to the horn mouth iron shell, can add balanced soil in the horn mouth, the inconvenient problem of adding balanced soil in rear end has effectively been solved, the iron shell inner wall is beaten the muscle and can be prevented after the magnet assembly and is deflected one side effectively, the concentricity of magnet has been ensured, thrust collar terminal surface fluting can prevent that thrust collar riveting back hole atress warp, the big problem of beating that the bending deformation leads to after having avoided the axle to press into thrust collar, support tube position surface increases semi-circular convex hull, can be in the same place with firm fixing of iron core through convex hull, the glue cost has been saved, the concentricity of support stator core of packing into has been guaranteed simultaneously.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a structural controller according to the present utility model;

FIG. 3 is a schematic view of a thrust collar of the present utility model;

FIG. 4 is an assembled view of the thrust collar of the present utility model;

FIG. 5 is an assembled view of the thrust collar of the present utility model

FIG. 6 is a schematic view of a structural brace of the present utility model;

FIG. 7 is an assembly view of a structural representation of the present utility model;

FIG. 8 is a schematic view of a structural rotor assembly of the present utility model;

fig. 9 is a schematic view of a rotor assembly of the present utility model.

In the figure: 1 iron shell, 101 rib, 102 horn mouth, 2 controller, 3 thrust ring, 4 riveting point, 5 support, 6 stator core, 7 rotor subassembly, 701 magnetite, 702 axle, 703 fixed slot, 8 fixed bolster.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-9, an external rotor motor structure of a rib grinding gun in this embodiment includes an iron shell 1, a controller 2 is movably mounted on an outer surface of the iron shell 1, the controller 2 is square, and is internally provided with a number of connection holes not lower than ten, a thrust ring 3 is fixedly mounted on an outer surface of the iron shell 1, the thrust ring 3 is in a ring shape, a number of grooves not lower than two are formed on an outer surface of the thrust ring 3, riveting points 4 are fixedly mounted on an outer surface of the iron shell 1, a support 5 is movably mounted on an outer surface of the iron shell 1, a stator core 6 is fixedly mounted on an outer surface of the support 5, a rotor assembly 7 is movably mounted on an inner surface of the iron shell 1, a fixing support 8 is movably mounted on an outer surface of the iron shell 1, and three convex hulls not lower than the number of the fixing support 8 are fixedly mounted on an outer surface of the fixing support 8.

Specifically, through being provided with controller 2, can overall arrangement more relevant components and parts and bigger power MOS pipe, can guarantee that the electrical safety distance between the different components is more abundant, improved reliability and the security of controller 2 circular telegram work, balanced is done after bell mouth 102 and iron shell 1 assembly magnetite 701, can add balanced soil in bell mouth 102, has effectively solved the inconvenient problem of adding balanced soil in rear end.

In this embodiment, the iron shell 1 includes a rib 101, the rib 101 is fixedly mounted on the front surface of the iron shell 1, the right side of the iron shell 1 is fixedly provided with a bell mouth 102, the rotor assembly 7 includes a magnet 701, the magnet 701 is fixedly mounted on the inner wall of the iron shell 1, a shaft 702 with one end penetrating and extending to the outer wall is rotatably mounted on the left side of the iron shell 1, and both the inner top wall and the inner bottom wall of the iron shell 1 are provided with fixing grooves 703.

The motor is composed of a rotor assembly 7, a stator assembly, a bearing, a waveform meson, a gasket, a clamp spring and the like.

Specifically, the stator assembly is fixed on the iron shell 1 through the magnet 701, the electric safety distance between different components can be more sufficient through the controller 2, the magnet 701 can be prevented from being biased to one side after being assembled through the rib 101, and the concentricity of the magnet 701 is ensured.

The working principle of the embodiment is as follows:

when the motor is used, the stator assembly is fixed on the iron shell 1 through the magnet 701, the electric safety distance between different components can be more sufficient through the controller 2, the magnet 701 is prevented from deflecting to one side after being assembled through the rib punching 101, concentricity of the magnet 701 is ensured, the inner hole is prevented from being stressed and deformed after the riveting of the thrust ring 3 through the groove on the thrust ring 3, the stator iron core 6 can be fastened through the convex hull on the outer surface of the fixed support 8, the stator tooth part is wound with the enameled wire, the PCB board assembly is provided with three position sensors, after the position sensors are connected with an external driving circuit and a power supply, the position of the rotor magnetic pole relative to the stator winding is detected according to the position change of the rotor, position sensor signals are generated at the determined positions, the switch circuit is controlled through the signal conversion circuit, the phase windings are conducted according to a certain order, the stator phase current is phase-changed according to the position change of the rotor, and the certain order is phase-changed, and the rotor assembly 7 is rotated.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a muscle grinds rifle external rotor motor structure, includes iron casing (1), its characterized in that: the novel anti-slip device is characterized in that a controller (2) is movably mounted on the outer surface of the iron shell (1), a thrust ring (3) is fixedly mounted on the outer surface of the iron shell (1), a riveting point (4) is fixedly mounted on the outer surface of the iron shell (1), a support (5) is movably mounted on the outer surface of the iron shell (1), a stator core (6) is fixedly mounted on the outer surface of the support (5), a rotor assembly (7) is movably mounted on the inner surface of the iron shell (1), and a fixing support (8) is movably mounted on the outer surface of the iron shell (1).

2. The external rotor motor structure of the rib grinding gun according to claim 1, wherein: the iron shell (1) comprises a rib (101), the rib (101) is fixedly arranged on the front surface of the iron shell (1), and a horn mouth (102) is fixedly arranged on the right side of the iron shell (1).

3. The external rotor motor structure of the rib grinding gun according to claim 1, wherein: the rotor assembly (7) comprises a magnet (701), the magnet (701) is fixedly arranged on the inner wall of the iron shell (1), a shaft (702) with one end penetrating through and extending to the outside is rotatably arranged on the left side of the iron shell (1), and fixing grooves (703) are formed in the inner top wall and the inner bottom wall of the iron shell (1).

4. The external rotor motor structure of the rib grinding gun according to claim 1, wherein: the outer surface of the thrust ring (3) is provided with grooves with the number not less than two.

5. The external rotor motor structure of the rib grinding gun according to claim 1, wherein: the outer surface of the fixed support (8) is fixedly provided with convex hulls with the number not less than three.

6. The external rotor motor structure of the rib grinding gun according to claim 1, wherein: the thrust ring (3) is in a circular ring shape.

7. The external rotor motor structure of the rib grinding gun according to claim 1, wherein: the controller (2) is square, and the inside is provided with a number of connection holes which is not less than ten.