CN219018618U

CN219018618U - Permanent magnet motor for cooking machine

Info

Publication number: CN219018618U
Application number: CN202223306282.7U
Authority: CN
Inventors: 刘乐俊; 唐震东; 陆震海; 陆红林; 刘天奇
Original assignee: Jiangsu Huansheng Motor Co ltd; Jiangsu Sanjiang Electric Group Co ltd
Current assignee: Jiangsu Huansheng Motor Co ltd; Jiangsu Sanjiang Electric Group Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-12
Anticipated expiration: 2032-12-09

Abstract

The utility model belongs to the technical field of permanent magnet motor equipment, in particular to a permanent magnet motor for a cooking machine, which aims at the problems that the torque of the existing permanent magnet motor is large compared with that of an asynchronous motor with the same specification and the torque is large, and simultaneously the required braking or backstop torque is large.

Description

Permanent magnet motor for cooking machine

Technical Field

The utility model relates to the technical field of permanent magnet motor equipment, in particular to a permanent magnet motor for a cooking machine.

Background

The permanent magnet motor mainly comprises a stator, a rotor, an end cover and other parts. The stator is laminated from laminations to reduce the iron loss generated during operation of the motor and incorporates three-phase ac windings, known as armature windings. The rotor may be made in solid form or may be pressed from laminations with permanent magnet material mounted thereon.

In the permanent magnet synchronous motor equipment in the prior art, the common permanent magnet synchronous motor equipment has two structures, one is an inner rotor structure with coils arranged outside permanent magnets, and the other is an outer rotor structure with coils arranged outside the inner permanent magnets; however, the permanent magnet synchronous motor with any structure has the common characteristics that compared with the asynchronous motor with the same specification and volume, the torque is large, and simultaneously the required braking or non-return torque is large, so that the permanent magnet synchronous motor for the cooking machine is very inconvenient to use, and therefore, the permanent magnet synchronous motor for the cooking machine needs to be provided.

Disclosure of Invention

The utility model aims to provide a permanent magnet motor for a cooking machine, which solves the defects that compared with an asynchronous motor with the same specification and volume, the permanent magnet motor has large torque and simultaneously has large required braking or non-return torque in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the permanent magnet motor for the cooking machine comprises a reduction gearbox assembly and a permanent magnet motor body, wherein the reduction gearbox assembly is arranged on one side of the permanent magnet motor body;

the gearbox assembly comprises a gearbox shell, a worm gear output shaft injection molding piece and a worm gear, wherein the worm gear output shaft injection molding piece and the worm gear are rotatably arranged in the gearbox shell, the worm gear is fixedly sleeved on the outer surface of the worm gear output shaft injection molding piece, a speed reducer output shaft is arranged in the worm gear output shaft injection molding piece, and one end of the speed reducer output shaft is provided with a clutch assembly;

the output end of the permanent magnet motor body is provided with a worm, and the worm is connected with a worm wheel in a meshed mode.

In one possible design, the reduction box assembly further includes a reduction box cover plate fixedly mounted to one side of the reduction box housing.

In one possible design, one side of the reduction gearbox housing is symmetrically provided with threaded mounting holes for mounting the reduction gearbox assembly.

In one possible design, the permanent magnet motor body includes a motor housing, the reduction gearbox assembly is disposed on one side of the motor housing, and the permanent magnet motor body is electrically connected with a power connection wire penetrating through the motor housing.

In one possible design, a stator embedding assembly is arranged inside the motor shell, an outlet coil is wound outside the stator embedding assembly, and a motor rear cover is fixedly arranged on one side of the motor shell.

In one possible design, the motor housing is internally provided with a rotor press-fitting member, and one side of the motor rear cover is provided with a rubber gasket.

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

1. according to the utility model, the worm, the reduction gearbox assembly and the clutch assembly are arranged at the output end of the permanent magnet motor body, the worm is meshed with the worm wheel rotationally arranged in the reduction gearbox assembly, the worm wheel is internally provided with the worm wheel output shaft injection molding piece, the speed reducer output shaft is arranged in the worm wheel output shaft injection molding piece, and the clutch assembly is arranged at one end of the speed reducer output shaft, so that the torque of the permanent magnet motor body can be reduced, the situation that the torque of the permanent magnet motor body is large during braking or backstop is further reduced, and the use is very convenient;

2. according to the utility model, through the arrangement of the worm wheel and the worm, the friction resistance born by the end face of the output shaft of the speed reducer is the same when the output shaft of the speed reducer rotates positively and reversely, and after the permanent magnet motor body is locked, the forward rotation starting voltage of the permanent magnet motor body is consistent with the reverse rotation starting voltage of the permanent magnet motor body, so that the speed reducer is convenient to use;

3. according to the utility model, the worm gear output shaft injection molding piece and the worm gear are arranged in a split type, and the worm gear output shaft is arranged as the injection molding piece, so that compared with the traditional worm gear output shaft and worm gear integrated type, the worm gear output shaft injection molding device saves materials to a certain extent.

Drawings

Fig. 1 is a schematic cross-sectional structure of a permanent magnet motor for a cooking machine according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of a clutch assembly in a permanent magnet motor for a cooking machine according to an embodiment of the present utility model;

fig. 3 is a schematic cross-sectional structure of a worm wheel and a reducer output shaft in a permanent magnet motor for a cooking machine according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a worm in a permanent magnet motor for a cooking machine according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a cover plate of a reduction gearbox in a permanent magnet motor for a cooking machine according to an embodiment of the present utility model.

In the figure: 1. a reduction gearbox assembly; 2. a reduction gearbox cover plate; 3. injection molding of a worm gear output shaft; 4. a motor housing; 5. a stator insert assembly; 6. discharging a coil; 7. a motor rear cover; 8. a power supply connection line; 9. a rubber gasket; 10. a rotor press-fitting member; 11. a rotor; 12. a clutch assembly; 13. a speed reducer output shaft; 14. a worm; 15. a worm wheel; 16. and a threaded mounting hole.

Detailed Description

Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.

In embodiments of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the embodiment of the present utility model, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

Examples

Referring to fig. 1-5, the present utility model provides a technical solution:

the permanent magnet motor for the cooking machine comprises a reduction gearbox assembly 1 and a permanent magnet motor body, wherein the reduction gearbox assembly 1 is arranged on one side of the permanent magnet motor body;

the reduction gearbox assembly 1 comprises a reduction gearbox shell, a worm gear output shaft injection molding piece 3 and a worm gear 15, wherein the worm gear output shaft injection molding piece 3 and the worm gear 15 are rotatably arranged in the reduction gearbox shell, the worm gear 15 is fixedly sleeved on the outer surface of the worm gear output shaft injection molding piece 3, a reduction gearbox output shaft 13 is arranged in the worm gear output shaft injection molding piece 3, and one end of the reduction gearbox output shaft 13 is provided with a clutch assembly 12;

the output end of the permanent magnet motor body is provided with a worm 14, and the worm 14 is in meshed connection with a worm wheel 15;

through be split type setting with worm wheel output shaft injection molding 3 and worm wheel 15 to set up worm wheel output shaft into injection molding, compare in traditional worm wheel output shaft and worm wheel integral type setting, practiced thrift the material to a certain extent

The worm 14, the reduction gearbox assembly 1 and the clutch assembly 12 are arranged at the output end of the permanent magnet motor body, the worm 14 is in meshed connection with the worm wheel 15 rotationally arranged in the reduction gearbox assembly 1, the worm wheel output shaft injection molding piece 3 is arranged in the worm wheel 15, the speed reducer output shaft 13 is arranged in the worm wheel output shaft injection molding piece 3, and the clutch assembly 12 is arranged at one end of the speed reducer output shaft 13, so that the torque of the permanent magnet motor body can be reduced, and the situation that the torque of the permanent magnet motor body is large during braking or backstop is further reduced;

the reduction gearbox assembly 1 further comprises a reduction gearbox cover plate 2, and the reduction gearbox cover plate 2 is fixedly arranged on one side of the reduction gearbox shell;

screw thread mounting holes 16 for mounting the reduction gearbox assembly 1 are symmetrically formed in one side of the reduction gearbox shell, and the reduction gearbox assembly 1 is conveniently mounted through the screw thread mounting holes 16;

the permanent magnet motor body comprises a motor shell 4, the reduction gearbox assembly 1 is arranged on one side of the motor shell 4, the permanent magnet motor body is electrically connected with a power connection wire 8 penetrating through the motor shell 4, and the power connection wire 8 can be used for providing electric energy for the permanent magnet motor body;

the inside of motor casing 4 is provided with stator and inlays dress subassembly 5, the outside of stator inlays dress subassembly 5 is around being equipped with out coil 6, one side fixed mounting of motor casing 4 has motor back cover 7, the inside of motor casing 4 is provided with rotor 11, the internally mounted of motor casing 4 has rotor pressure equipment piece 10, one side of motor back cover 7 is provided with rubber gasket 9 for realize permanent magnet motor body work.

Working principle: when the permanent magnet motor is specifically used, the worm 14, the reduction gearbox assembly 1 and the clutch assembly 12 are arranged at the output end of the permanent magnet motor body, the worm 14 is in meshed connection with the worm wheel 15 rotationally arranged in the reduction gearbox assembly 1, the worm wheel output shaft injection molding piece 3 is arranged in the worm wheel 15, the speed reducer output shaft 13 is arranged in the worm wheel output shaft injection molding piece 3, and the clutch assembly 12 is arranged at one end of the speed reducer output shaft 13, so that the torque of the permanent magnet motor body can be reduced, and the situation that the torque of the permanent magnet motor body is large during braking or backstopping is further reduced;

by arranging the worm gear output shaft injection molding part 3 and the worm gear 15 in a split type and arranging the worm gear output shaft as an injection molding part, compared with the traditional worm gear output shaft and worm gear integrated type, the material is saved to a certain extent;

through the arrangement of the worm wheel 15 and the worm 14, when the speed reducer output shaft 13 rotates forward and reversely, the friction resistance born by the end face of the speed reducer output shaft 13 is the same, and when the permanent magnet motor body is locked, the forward rotation starting voltage of the permanent magnet motor body is consistent with the reverse rotation starting voltage of the permanent magnet motor body, so that the speed reducer is very convenient to use.

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 permanent magnet motor for cooking machine, includes reducing gear box subassembly (1) and permanent magnet motor body, its characterized in that: the reduction gearbox assembly (1) is arranged on one side of the permanent magnet motor body;

the gear box assembly (1) comprises a gear box shell, a worm gear output shaft injection molding piece (3) and a worm gear (15) which are rotatably arranged in the gear box shell, wherein the worm gear (15) is fixedly sleeved on the outer surface of the worm gear output shaft injection molding piece (3), a speed reducer output shaft (13) is arranged in the worm gear output shaft injection molding piece (3), and a clutch assembly (12) is arranged at one end of the speed reducer output shaft (13);

the output end of the permanent magnet motor body is provided with a worm (14), and the worm (14) is meshed with a worm wheel (15).

2. The permanent magnet motor for a cooking machine according to claim 1, wherein: the reduction gearbox assembly (1) further comprises a reduction gearbox cover plate (2), and the reduction gearbox cover plate (2) is fixedly arranged on one side of the reduction gearbox shell.

3. The permanent magnet motor for a cooking machine according to claim 1, wherein: screw thread mounting holes (16) for mounting the reduction gearbox assembly (1) are symmetrically formed in one side of the reduction gearbox shell.

4. The permanent magnet motor for a cooking machine according to claim 1, wherein: the permanent magnet motor body comprises a motor shell (4), the reduction gearbox assembly (1) is arranged on one side of the motor shell (4), and the permanent magnet motor body is electrically connected with a power supply connecting wire (8) penetrating through the motor shell (4).

5. The permanent magnet motor for a cooking machine according to claim 4, wherein: the motor is characterized in that a stator embedded assembly (5) is arranged in the motor shell (4), an outlet coil (6) is wound outside the stator embedded assembly (5), and a motor rear cover (7) is fixedly arranged on one side of the motor shell (4).

6. The permanent magnet motor for a cooking machine according to claim 5, wherein: the motor is characterized in that a rotor (11) is arranged in the motor shell (4), a rotor press-fitting piece (10) is arranged in the motor shell (4), and a rubber gasket (9) is arranged on one side of the motor rear cover (7).