CN216721064U

CN216721064U - Micromotor with positioning reversing rotating shaft structure

Info

Publication number: CN216721064U
Application number: CN202123104029.9U
Authority: CN
Inventors: 赖宝康
Original assignee: Shenzhen Ruihualian Motor Co ltd
Current assignee: Shenzhen Ruihualian Motor Co ltd
Priority date: 2021-12-11
Filing date: 2021-12-11
Publication date: 2022-06-10
Anticipated expiration: 2031-12-11

Abstract

The utility model discloses a micro motor with a positioning reversing rotating shaft structure, which relates to a micro motor, and comprises a front cover end, wherein a groove is formed in the front cover end, a first connecting threaded hole connected with a rear cover end is formed in the outer side of the front cover end, a through groove is formed in the circle center, a first bearing is arranged behind the front cover end, a rotating shaft cover is connected with the first bearing, a rotating shaft structure is arranged in the rotating shaft cover, a protrusion adapting to the size of the groove of the front cover end is arranged at the front end of a rotating shaft main body of the rotating shaft structure, a protrusion adapting to the size of the groove of the rear cover end is arranged at the rear end, the rotating shaft structure is connected with the rear cover end through a second bearing, a groove is formed in the rear cover end, a through groove is formed in the groove, and a second connecting threaded hole adapting to the front cover end is arranged on the rear cover end.

Description

Micromotor with positioning reversing rotating shaft structure

Technical Field

The utility model relates to a micro motor, in particular to a micro motor with a positioning reversing rotating shaft structure.

Background

The motor is mainly used for generating driving torque and used as a power source of electrical appliances or various machines, the generator is represented by a letter G in a circuit, the generator is mainly used for converting mechanical energy into electric energy, and the motor is mature in technology and various in variety. The micromotor is one of the classifications, and is called a "micromotor" entirely, and refers to a motor with a diameter less than 160mm or a rated power less than 750mW, the micromotor is converted into mechanical energy through electric energy, a rotor of the micromotor is driven by current, different magnetic poles are generated in different directions of the rotor current, interaction is generated to rotate, and after the rotor rotates to a certain angle, the change of the magnetic pole of the rotor can be changed by taking the direction of the current through the reversing function of a commutator, so that the interaction direction of the rotor and the stator is kept unchanged.

The existing reversing mechanism has the defects of multiple middle parts, complex structure and large volume, and is often inconvenient to use and inconvenient to use in parts with small space, so that the application of the reversing mechanism is limited and the use is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a micromotor with a positioning reversing rotating shaft structure, wherein a first connecting threaded hole connected with a rear cover end is formed in the outer side of the front cover end, a through groove is formed in the center of the circle, a first bearing is arranged behind the front cover end, a rotating shaft cover is connected through the first bearing, a rotating shaft structure is arranged in the rotating shaft cover, a protrusion adapting to the size of a groove of the front cover end is arranged at the front end of a rotating shaft main body of the rotating shaft structure, a protrusion adapting to the size of a groove of the rear cover end is arranged at the rear end, the rotating shaft structure is connected with the rear cover end through a second bearing, a groove is formed in the rear cover end, a through groove is formed in the groove, and a second connecting threaded hole adapting to the front cover end is formed in the rear cover end.

In order to achieve the purpose, the utility model provides the following technical scheme that the novel rotary shaft structure comprises a front cover end, a groove is formed in the front cover end, a first connecting threaded hole connected with a rear cover end is formed in the outer side of the front cover end, a through groove is formed in the circle center, a first bearing is arranged behind the front cover end, a rotary shaft cover is connected through the first bearing, a rotary shaft structure is arranged in the rotary shaft cover, a protrusion adapting to the size of the groove in the front cover end is arranged at the front end of a rotary shaft main body of the rotary shaft structure, a protrusion adapting to the size of the groove in the rear cover end is arranged at the rear end of the rotary shaft main body of the rotary shaft structure, the rotary shaft structure is connected with the rear cover end through a second bearing, a groove is formed in the rear cover end, a through groove is formed in the groove, and a second connecting threaded hole adapting to the front cover end is formed in the rear cover end.

Preferably, the front surface of the front cover end is provided with three fan-shaped through grooves which are uniformly distributed by taking the circle center as the center, and the front cover end is uniformly provided with 8 first heat dissipation holes on the whole.

Preferably, an electric box is fixedly connected to the outer side of the end of the rear cover, and a power supply connection device of a connector lug is arranged in the electric box.

Preferably, the front surface of the rear cover end is provided with three fan-shaped through grooves which are uniformly distributed by taking the circle center as the center, and the rear cover end is uniformly provided with eight third heat dissipation holes on the whole.

Preferably, the pivot structure includes the pivot main part, it is less than to dig the diameter around the pivot main part the recess of pivot main part evenly is provided with eight rotor plates around, and the main part is opened logical groove, leads to the built-in rotor of groove, the rotor front end is equipped with the coil, fixed connection stator behind the rotor, rotor middle part fixedly connected with rotor plate, the rotor plate is opened has circular logical groove, is connected with the slip cylinder, the slip cylinder leads to the groove through the ring and connects in the recess, and the logical groove both sides of ring are through connecting strip fixed connection the pivot main part is twenty four circular second louvres of evenly distributed altogether.

Preferably, the rotating shaft cover is internally provided with a damping block, and the rotating shaft cover is connected with the rotating shaft structure through the damping block.

Preferably, the front cover end is connected with the rear cover end through threads.

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

the structure for positioning the commutator and the rotating shaft in the micromotor has the advantages that the structural design is complete, compact, simple and good in machining performance, the commutator body can be conveniently installed and fixed and the commutator can be conveniently molded, the coaxiality of the commutator, the rotating shaft and the rotating shaft can be ensured, the motor can reliably rotate, the commutator body is matched with the positioning groove of the connecting sleeve, the installation is convenient, the commutator body and the connecting sleeve are not easily separated and reliably connected in the working process, the impact force is reduced, the friction damage is reduced and the service life is prolonged in the motor operation process through the arrangement of the damping columns, the sealing layers are more tightly connected, the sealing performance is enhanced, and the firmness is further improved through the fixing screws.

Drawings

FIG. 1 is an exploded view of the overall structure of a micro-motor with a positioning and reversing rotating shaft structure according to the present invention;

FIG. 2 is an enlarged view of the rear cover end of the micro-motor with a positioning and reversing rotating shaft structure according to the present invention;

FIG. 3 is an enlarged schematic view of the rotating shaft structure of the micro-motor with a positioning and reversing rotating shaft structure according to the present invention;

FIG. 4 is an enlarged view of the rotating shaft structure of the micro-motor with a positioning and reversing rotating shaft structure;

fig. 5 is an enlarged view of a portion a in fig. 1.

In the figure: 1. a front cover end; 2. a first bearing; 3. a rotating shaft structure; 4. a rear cap end; 5. a rotating shaft cover; 6. An electric box; 11. a first connection threaded hole; 12. a first heat dissipation hole; 21. a second bearing; 31. rotating the sheet; 32. A rotating shaft main body; 33. a rotor; 34. a connecting strip; 35. a second heat dissipation hole; 36. a stator; 37. a coil; 38. a sliding cylinder; 39. a fixing sheet; 41. a second connecting threaded hole; 42. a third heat dissipation hole; 51. A damper block.

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.

Referring to fig. 1-5, in order to achieve the above object, the present invention provides a technical solution that includes a front cover end 1, a groove is formed inside the front cover end 1, a first connection threaded hole 11 connected to a rear cover end 4 is formed outside the front cover end 1, a through groove is formed at a circle center, a first bearing 2 is formed behind the front cover end 1, a rotating shaft cover 5 is connected to the first bearing 2, a rotating shaft structure 3 is disposed in the rotating shaft cover 5, a protrusion adapted to the size of the groove of the front cover end 1 is formed at a front end of a rotating shaft main body 32 of the rotating shaft structure 3, a protrusion adapted to the size of the groove of the rear cover end 4 is formed at a rear end, the rotating shaft structure 3 is connected to the rear cover end 4 through a second bearing 21, a groove is formed inside the rear cover end 4, a through groove is formed in the groove, and a second connection threaded hole 41 adapted to the front cover end 1 is formed in the rear cover end 4.

The front surface of the front cover end 1 is provided with three fan-shaped through grooves which are uniformly distributed by taking the circle center as the center, the front cover end 1 is integrally and uniformly provided with 8 first heat dissipation holes 12, heat is dissipated through the first heat dissipation holes 12, and the heat of the motor can be greatly relieved for a long time.

The electric box 6 is fixedly connected to the outer side of the rear cover end 4, a power supply connection device of a connector lug is arranged in the electric box 6, and the problem of operating a power supply can be controlled through the electric box 6.

The front surface of the rear cover end 4 is provided with three fan-shaped through grooves which are uniformly distributed by taking the circle center as the center, and the rear cover end 4 is uniformly provided with 8 third heat dissipation holes 42; the heat is dissipated through the third heat dissipation hole 42, so that the heat of the motor caused by long-time heat can be greatly relieved.

Pivot structure 3 includes pivot main part 32, it is less than to dig the diameter around pivot main part 32 the recess of pivot main part 32, around evenly being provided with eight rotor 31 along the periphery, the main part is opened there is logical groove, logical inslot embeds rotor 33, rotor 33 front end is equipped with coil 37, fixed connection stator 36 behind rotor 33, rotor 33 middle part fixedly connected with rotor 31, rotor 31 is opened has circular logical groove, be connected with slip cylinder 38, slip cylinder 38 passes through the logical groove connection of ring in the recess, the logical groove both sides of ring are through connecting strip 34 fixed connection, at 24 circular second louvres 35 of pivot main part 32 total evenly distributed, turn to this operation to rotor 33 through slip cylinder 38.

The pivot lid 5 embeds snubber block 51, connects pivot structure 3 through snubber block 51, avoids the motor to be out of work because of external factors such as vibrations.

The front cover end is connected with the rear cover end 4 through threads, so that the front cover end is convenient for workers to detach and overhaul.

In summary, the following steps: the front cover end is internally provided with a groove, the outer side of the front cover end is provided with a first connecting threaded hole connected with the rear cover end, the center of a circle is provided with a through groove which is suitable for the rotor to work in the motor, meanwhile, the whole front cover end is clicked to be provided with a heat dissipation hole, the heat is dissipated through the heat dissipation hole, the heat brought by the motor for a long time can be greatly relieved, the rear end of the front cover end is provided with a first bearing, the rotating shaft cover is connected with a rotating shaft cover through the first bearing, a rotating shaft structure is arranged in the rotating shaft cover, the front end of a rotating shaft main body of the rotating shaft structure is provided with a protrusion which is suitable for the size of the groove of the front cover end, the rear end is provided with a protrusion which is suitable for the size of the groove of the rear cover end, the rotating shaft structure is connected with the rear cover end through a second bearing, the groove is arranged in the groove, the through groove is arranged in the rear cover end, and a second connecting threaded hole which is suitable for the front cover end is arranged on the rear cover end, so that impact wear is reduced, the service life is prolonged and tightly fixed during the rotation of the rotating shaft, the utility model has reasonable design and is suitable for popularization and use.

It should be noted that, in this document, 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. Also, 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.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a little motor of area location switching-over pivot structure, includes protecgulum end (1) inside division of protecgulum end (1) has recess, its characterized in that: the utility model discloses a rear cover structure, including front cover end (1), centre of a circle, front cover end (1) outside is provided with first connecting screw hole (11) of being connected with rear cover end (4), and the centre of a circle department opens and has logical groove, there is first bearing (2) behind front cover end (1), front cover end (1) passes through first bearing (2) are connected with pivot lid (5), pivot lid (5) built-in pivot structure (3), pivot main part (32) front end of pivot structure (3) has the salient of adaptation front cover end (1) recess size, and the rear end has the salient of adaptation rear cover end (4) recess size, rear cover end (4) are connected through second bearing (21) in pivot structure (3), rear cover end (4) inside is opened flutedly, has logical groove in the recess, be equipped with second connecting screw hole (41) that adapt to with front cover end (1) on rear cover end (4).

2. The micro-motor with the positioning and reversing rotating shaft structure according to claim 1, characterized in that: the front cover is characterized in that the front surface of the front cover end (1) is provided with three fan-shaped through grooves which are uniformly distributed by taking the circle center as the center, and the front cover end (1) is uniformly provided with 8 first heat dissipation holes (12) on the whole.

3. The micro-motor with the positioning and reversing rotating shaft structure according to claim 1, characterized in that: an electric box (6) is fixedly connected to the outer side of the rear cover end (4), and a power supply connection device of a connector lug is arranged in the electric box (6).

4. The micro-motor with the positioning and reversing rotating shaft structure according to claim 3, characterized in that: the front surface of the rear cover end (4) is provided with three fan-shaped through grooves which are uniformly distributed by taking the circle center as the center, and the rear cover end (4) is uniformly provided with 8 third heat dissipation holes (42) on the whole.

5. The micro-motor with the positioning and reversing rotating shaft structure according to claim 3, wherein: pivot structure (3) are including pivot main part (32), it is less than to dig the diameter around pivot main part (32) the recess of pivot main part (32), around evenly being provided with eight revolving fragments (31) along the periphery, the main part is opened there is logical groove, leads to built-in rotor (33) of groove, rotor (33) front end is equipped with coil (37), fixed connection stator (36) behind rotor (33), rotor (33) middle part fixedly connected with stationary blade (39), stationary blade (39) are opened there is circular logical groove, are connected with slip cylinder (38), slip cylinder (38) are led to the inslot through the ring, and connecting strip (34) fixed connection is passed through to ring logical groove both sides 24 circular second louvres (35) of pivot main part (32) homogeneous distribution altogether.

6. The micro-motor with the positioning and reversing rotating shaft structure according to claim 5, wherein: the shock absorption block (51) is arranged in the rotating shaft cover (5), and the rotating shaft structure (3) is connected through the shock absorption block (51).

7. The micro-motor with the positioning and reversing rotating shaft structure according to claim 1, characterized in that: the front cover end (1) is connected with the rear cover end (4) through threads.