CN220325429U - Novel motor rotating shaft for direct current motor - Google Patents
Novel motor rotating shaft for direct current motor Download PDFInfo
- Publication number
- CN220325429U CN220325429U CN202321879441.4U CN202321879441U CN220325429U CN 220325429 U CN220325429 U CN 220325429U CN 202321879441 U CN202321879441 U CN 202321879441U CN 220325429 U CN220325429 U CN 220325429U
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- Prior art keywords
- shaft
- motor
- main shaft
- novel
- groove body
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- 238000009413 insulation Methods 0.000 claims abstract description 24
- 210000005056 cell body Anatomy 0.000 claims description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 10
- 238000013461 design Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000004080 punching Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to the technical field of motor rotating shafts, and discloses a novel motor rotating shaft for a direct current motor, which comprises a main shaft, wherein a first groove body is formed at one end of the main shaft; according to the utility model, the limiting protruding blocks are arranged on the main shaft, the limiting grooves are arranged on the outer rotor mounting seat, so that the outer rotor mounting seat can be firmly fixed on the main shaft, the unstable fixation is prevented, the inner radiating fins of the second groove body are matched, a part of heat in the motor can be absorbed through the main shaft, the motor shell is matched with the radiating fins for sucking, the heat dissipation efficiency is better, the first groove body is arranged on the main shaft, the connecting shaft in sliding connection with the inner part of the first groove body is matched, the distance between the main shaft and external equipment can be prolonged, the design of the heat insulation shaft is matched, the temperature transmitted to the inside of the motor from the outside can be isolated, and the working stability of the motor is improved.
Description
Technical Field
The utility model relates to the technical field of motor rotating shafts, in particular to a novel motor rotating shaft for a direct current motor.
Background
The motor rotating shaft is an important component part of the motor, the structure of the motor rotating shaft is a column-shaped shaft, when the traditional motor rotating shaft is fixed with a motor rotor, a corresponding punching rib is arranged on the rotating shaft in the process of rotor installation and used for fixing the motor rotating shaft, but the section of most of the existing punching ribs is concave round, the structure is stressed uniformly in the process of clamping, the structure is unstable after long time, the coaxiality of the motor is not high in the rotating process, the generated noise is large, the traditional motor rotating shaft lacks a structure capable of absorbing heat in the motor to be discharged, only a heat dissipation structure is designed on a motor shell, so that the heat dissipation effect is poor, meanwhile, the traditional motor rotating shaft lacks a structure capable of isolating external heat, when the working temperature of the output end of the motor rotating shaft is higher than 300 ℃, the external high temperature can be transmitted into the motor, and the condition that the motor is burnt out due to the high temperature is easy to occur.
Disclosure of Invention
The utility model aims to provide a novel motor rotating shaft for a direct current motor, which has the advantages of fixed temperature, good heat dissipation effect and external heat transfer isolation, and solves the problems that in the process of rotor installation, corresponding punching ribs are usually arranged on the rotating shaft and used for fixing the rotating shaft, most of the punching ribs are concave circular in cross section, the structure is relatively uniform in stress during clamping, the structure is unstable in fixation after a long time, the coaxiality of the motor is not high in the rotating process, the generated noise is large, the traditional motor rotating shaft lacks a structure capable of absorbing the internal heat of the motor to be discharged, only a heat dissipation structure is designed on a motor shell, so that the heat dissipation effect is poor, meanwhile, the traditional motor rotating shaft lacks a structure capable of isolating the external heat, and when the working temperature of the output end of the motor rotating shaft is higher than 300 ℃, the external high temperature can be transferred into the motor, and the condition of burning of the motor is easily caused due to the high temperature.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel motor pivot for direct current motor, includes the main shaft, first cell body has been seted up to the one end of main shaft, the inside of first cell body is provided with the connecting axle, the one end of connecting axle is provided with the heat insulating axle, the surface integral processing of main shaft has spacing lug, and the outside rotor mount pad has seted up the spacing recess that uses with spacing lug cooperation, the second cell body has been seted up to the other end of main shaft, the inside of second cell body is embedded to have radiating fin.
The utility model further provides that one end of the heat insulation shaft is welded with an external shaft.
The technical scheme is adopted: and the connection with external equipment is convenient.
The utility model is further characterized in that the inside of the first groove body is bolted with a guide block, and the surface of the connecting shaft is provided with a guide groove matched with the guide block.
The technical scheme is adopted: and limiting the connecting shaft.
The utility model further provides that the material of the heat insulation shaft is silicon carbide.
The technical scheme is adopted: the heat insulation performance of the heat insulation shaft is improved.
The utility model further provides that the surface of the main shaft is sleeved with the shaft sleeves, and the number of the shaft sleeves is two.
The technical scheme is adopted: the outer bearing seat is convenient to install and is placed to cause abrasion to the main shaft.
The utility model further provides that a limiting block is integrally processed in the shaft sleeve, and a limiting groove matched with the limiting block for use is formed in the surface of the main shaft.
The technical scheme is adopted: the sleeve is limited.
The utility model further provides that the main shaft is made of stainless steel.
The technical scheme is adopted: the corrosion resistance of the main shaft is improved.
The utility model further provides that the connecting shaft is made of tungsten carbide.
The technical scheme is adopted: the strength of the connecting shaft is improved.
The utility model is further arranged that the number of the guide blocks is four.
The technical scheme is adopted: the stability of the rotation limit of the connecting shaft is improved.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the limiting convex blocks are arranged on the main shaft, the limiting grooves are formed in the outer rotor mounting seat, so that the outer rotor mounting seat can be firmly fixed on the main shaft, the unstable fixation is prevented, and part of heat in the motor can be absorbed through the main shaft by the aid of the radiating fins embedded in the second groove body, and the heat dissipation efficiency is better by the aid of the radiating fins of the motor shell;
according to the utility model, the first groove body is arranged on the main shaft, the distance between the main shaft and external equipment can be prolonged by matching with the connecting shaft in sliding connection with the inner part of the first groove body, and the temperature of the inner part of the motor can be isolated by matching with the design of the heat insulation shaft, so that the working stability of the motor is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a partial cross-sectional view of the structure of the present utility model;
FIG. 3 is a side view of a partial structure of the present utility model;
fig. 4 is a side view of a partial structure of the present utility model.
In the figure: 1. a main shaft; 2. a first tank body; 3. a connecting shaft; 4. a heat insulating shaft; 5. a limit bump; 6. a second tank body; 7. a heat radiation fin; 8. an external shaft; 9. a guide block; 10. a shaft sleeve; 11. and a limiting block.
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.
Example 1:
referring to fig. 1, fig. 2 and fig. 4, a novel motor rotating shaft for a direct current motor comprises a main shaft 1, the material of the main shaft 1 is stainless steel, the corrosion resistance of the main shaft 1 is improved, a first groove body 2 is formed in one end of the main shaft 1, a connecting shaft 3 is arranged in the first groove body 2, a guide block 9 is bolted to the inner part of the first groove body 2, a guide groove matched with the guide block 9 is formed in the surface of the connecting shaft 3, the connecting shaft 3 is limited, a heat insulation shaft 4 is arranged at one end of the connecting shaft 3, an external shaft 8 is welded at one end of the heat insulation shaft 4, connection with external equipment is facilitated, the heat insulation shaft 4 is made of silicon carbide, the heat insulation performance of the heat insulation shaft 4 is improved, a shaft sleeve 10 is sleeved on the surface of the main shaft 1, the shaft 10 is two in number, the external bearing seat is convenient to install and is worn on the main shaft 1 by placing the external bearing seat, a limiting block 11 is integrally processed in the inner part of the shaft sleeve 10, a limiting groove matched with the limiting block 11 is formed in the surface of the main shaft 1, the shaft sleeve 10 is limited, the connecting shaft 3 is tungsten carbide, the connecting shaft 3 is connected with the motor, the heat insulation shaft 3 is connected with the inner side of the main shaft 3 through the guide block 3, the heat insulation shaft 3 is matched with the heat insulation shaft 2, and the heat insulation shaft 2 is designed to be matched with the first groove 2, the heat insulation device is stable, and the heat insulation performance of the heat insulation device can be improved, and the heat insulation performance of the heat insulation device can be connected with the main shaft 2 through the inner shaft 2.
The use process is briefly described: when external axle 8 is connected with external equipment axle, through seting up first cell body 2 above main shaft 1, cooperation first cell body 2 inside sliding connection's connecting axle 3 can lengthen the distance between main shaft 1 and the external equipment, and the design of cooperation insulating shaft 4 again can keep off outside temperature transmission to the inside temperature of motor, improves the stability of motor work.
Example 2:
referring to fig. 1, fig. 2 and fig. 3, a novel motor shaft for a dc motor is disclosed, a limit bump 5 is integrally processed on the surface of a main shaft 1, a limit groove matched with the limit bump 5 is formed in an outer rotor mounting seat, a second groove body 6 is formed at the other end of the main shaft 1, a heat dissipation fin 7 is embedded in the second groove body 6, the limit bump 5 is mounted on the main shaft 1, the limit groove is formed in the outer rotor mounting seat, the outer rotor mounting seat can be firmly fixed on the main shaft 1, the unstable fixation is prevented, and a part of heat in the motor can be absorbed through the main shaft 1 and is absorbed by the heat dissipation fin 7 embedded in the second groove body 6, and the heat dissipation efficiency is better.
The use process is briefly described: through installing spacing lug 5 above main shaft 1, offered spacing recess on the cooperation outside rotor mount pad, after outside rotor mount pad is fixed above main shaft 1, can make outside rotor mount pad firmly fix above main shaft 1, prevent that the infirm condition of fixing from taking place to cooperate the embedded radiating fin 7 of second cell body 6 inside, can absorb the inside partial heat of motor through main shaft 1, cooperate the radiating fin suction of motor housing, the radiating efficiency is better.
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 (9)
1. A novel motor shaft for a direct current motor, comprising a main shaft (1), characterized in that: the novel heat insulation device is characterized in that a first groove body (2) is formed in one end of the main shaft (1), a connecting shaft (3) is arranged in the first groove body (2), a heat insulation shaft (4) is arranged at one end of the connecting shaft (3), a limit lug (5) is integrally machined on the surface of the main shaft (1), a limit groove matched with the limit lug (5) is formed in an outer rotor mounting seat, a second groove body (6) is formed in the other end of the main shaft (1), and radiating fins (7) are embedded in the second groove body (6).
2. A novel motor shaft for a dc motor as set forth in claim 1, wherein: one end of the heat insulation shaft (4) is welded with an external shaft (8).
3. A novel motor shaft for a dc motor as set forth in claim 1, wherein: the inside bolt of first cell body (2) has guide block (9), and the guide slot that uses with guide block (9) cooperation is seted up on the surface of connecting axle (3).
4. A novel motor shaft for a dc motor as set forth in claim 1, wherein: the heat insulation shaft (4) is made of silicon carbide.
5. A novel motor shaft for a dc motor as set forth in claim 1, wherein: the surface of the main shaft (1) is sleeved with shaft sleeves (10), and the number of the shaft sleeves (10) is two.
6. A novel motor shaft for a dc motor as defined in claim 5, wherein: a limiting block (11) is integrally machined in the shaft sleeve (10), and a limiting groove matched with the limiting block (11) for use is formed in the surface of the main shaft (1).
7. A novel motor shaft for a dc motor as set forth in claim 1, wherein: the main shaft (1) is made of stainless steel.
8. A novel motor shaft for a dc motor as set forth in claim 1, wherein: the connecting shaft (3) is made of tungsten carbide.
9. A novel motor shaft for a dc motor according to claim 3, wherein: the number of the guide blocks (9) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321879441.4U CN220325429U (en) | 2023-07-18 | 2023-07-18 | Novel motor rotating shaft for direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321879441.4U CN220325429U (en) | 2023-07-18 | 2023-07-18 | Novel motor rotating shaft for direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220325429U true CN220325429U (en) | 2024-01-09 |
Family
ID=89408624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321879441.4U Active CN220325429U (en) | 2023-07-18 | 2023-07-18 | Novel motor rotating shaft for direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220325429U (en) |
-
2023
- 2023-07-18 CN CN202321879441.4U patent/CN220325429U/en active Active
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