CN217824563U - Rotor end plate structure for automobile generator - Google Patents
Rotor end plate structure for automobile generator Download PDFInfo
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- CN217824563U CN217824563U CN202220071780.9U CN202220071780U CN217824563U CN 217824563 U CN217824563 U CN 217824563U CN 202220071780 U CN202220071780 U CN 202220071780U CN 217824563 U CN217824563 U CN 217824563U
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- end plate
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- rotating shaft
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Abstract
The utility model relates to the field of generators, in particular to a rotor end plate structure for an automobile generator, which comprises an end plate fan arranged on a rotating shaft, wherein the end plate fan is provided with a sleeve joint through hole and is sleeved on the rotating shaft through the sleeve joint through hole; the utility model discloses a rotor end plate structure for an automobile generator, which can improve the NVH noise of the generator by optimizing the structure of an end plate fan; the complaint rate of customers is reduced, in addition, the utility model can better play a role in heat dissipation by optimizing the arrangement and the structure of the fan blades, and the service life of the motor is effectively prolonged; and simultaneously the utility model discloses the end plate fan can guarantee the stability of being connected between end plate fan and the pivot through the cooperation in straight line and radial groove, avoids the end plate fan not hard up.
Description
Technical Field
The utility model relates to a generator field is a rotor end plate structure that automobile power generation used particularly.
Background
At present, the structure and the function of a rotor end plate in an automobile generator are basically the same, and the main function of the rotor end plate is to play a role in heat dissipation.
However, the shapes and layouts of the fans of the end plates of the rotors of different motors have great differences, and the differences can cause great defects of the performance, the service life, the manufacturing difficulty, the production cost and the like of the generator.
These defects may cause problems of customer complaints, high aftermarket failure rates, manufacturing difficulties, etc., thereby causing direct economic losses to the enterprise.
It is therefore desirable to reduce the above potential problems by optimizing the structure of the rotor end plate as a whole.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a convenient assembly to rotor end plate structure that the radiating effect is good.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a rotor end plate structure that automobile power generation used, is including setting up the epaxial end plate fan of commentaries on classics, be equipped with on the end plate fan and cup joint the through-hole, the end plate fan cup joints in the pivot through cup jointing the through-hole.
The two ends of the rotating shaft are respectively provided with an end plate fan, the end plate fans are provided with through holes, and the two end plate fans are connected through bolts.
The end plate fan comprises an end plate body, and a plurality of fan blades are arranged at the edge of the end plate body; a plurality of the fan blades are distributed on the end plate body at intervals in an annular mode.
Each fan blade is an arc-shaped plate.
The fan blades are divided into a first type blade and a second type blade, the length of the first type blade is larger than that of the second type blade, and the first type blade and the second type blade are distributed at intervals.
And press-fitting straight grains are arranged on the rotating shaft.
The end part of the rotating shaft is provided with a radial groove; the end fan is sleeved outside the radial groove at the end part of the rotating shaft through the sleeved through hole.
And a limiting block is arranged at the edge of the through hole on one end plate fan.
The utility model has the advantages that:
the utility model discloses a rotor end plate structure for an automobile generator, which can improve the NVH noise of the generator by optimizing the structure of an end plate fan; the customer complaint rate is reduced, in addition, the utility model can better play a role in heat dissipation by optimizing the arrangement and the structure of the fan blades, and the service life of the motor is effectively prolonged; and simultaneously the utility model discloses the end plate fan can guarantee the stability of being connected between end plate fan and the pivot through the cooperation in straight line and radial groove, avoids the end plate fan not hard up.
Drawings
The contents of the various figures of the specification and the labels in the figures are briefly described as follows:
fig. 1 is a partial sectional view of the joint of the middle rotating shaft and the end plate fan of the present invention.
Fig. 2 is a perspective view of the middle plate fan of the present invention.
Fig. 3 is a top view of the middle plate fan of the present invention.
Fig. 4 is a partial view of the middle rotating shaft of the present invention.
The labels in the above figures are:
1. the fan comprises a rotating shaft, 11 press-fitting straight grains, 12 radial grooves, 2 end plate fans, 21 end plate bodies, 22 fan blades, 211 socket through holes, 212 socket through holes, 213 limit blocks, 221 first-class blades, 222 second-class blades.
Detailed Description
The following description of the preferred embodiments of the present invention will be made in further detail with reference to the accompanying drawings.
A rotor end plate structure for an automobile generator comprises an end plate fan 2 arranged on a rotating shaft 1, wherein a sleeving through hole 211 is formed in the end plate fan 2, and the end plate fan 2 is sleeved on the rotating shaft 1 through the sleeving through hole 211; the utility model discloses a rotor end plate structure, which mainly comprises an end plate fan 2 arranged on a rotating shaft 1, wherein the end plate fan 2 is mainly used for heat dissipation, when the end plate fan 2 is assembled, the end plate fan 2 is pressed at the end part of the rotating shaft 1 through a sleeve-joint through hole 211, and simultaneously, two ends of a rotor are respectively provided with a rotor end plate structure, thereby reducing the use of claw poles in the traditional motor; the overall weight of the rotor assembly is reduced.
Furthermore, in the utility model, two ends of the rotating shaft 1 are respectively provided with an end plate fan 2, the end plate fan 2 is provided with a through hole 212, and the two end plate fans 2 are connected through a bolt 2-1; in practical arrangement, the rotor body is arranged between the two end plate fans, and the bolts 2-1 penetrate through the two end plate fans 2 and the rotor body to be connected, so that the integrity between the rotor and the end plate fans 2 is ensured (only a schematic diagram of the connection between the end plate fan on one side and the rotor body is disclosed in the drawing; an end plate fan is arranged on the other side of the rotor body, and one bolt 2-1 penetrates through the two end plate fans and the rotor body at the same time).
Further, in the present invention, the end plate fan 2 includes an end plate body 21, and a plurality of fan blades 22 are disposed at an edge of the end plate body 21; a plurality of fan blades 22 are distributed on the end plate body 21 at intervals in a ring shape; the setting of end plate body 21 has served as a connecting piece, has made things convenient for end plate fan 2 pressure equipment in pivot 1, in addition the utility model discloses be equipped with fan blade 22 on the well end plate body 21, fan blade 22's setting has increased end plate fan 2's heat radiating area, has optimized end plate fan 2's radiating effect.
Further, in the present invention, each fan blade 22 is an arc-shaped plate; the utility model discloses a fan blade 22 design of arc structure has increased fan blade 22's whole area, has optimized the radiating effect of generator.
Further, in the present invention, the fan blades 22 are divided into a first type blade 221 and a second type blade 222, the length of the first type blade 221 is greater than the length of the second type blade 222, and the first type blade 221 and the second type blade 222 are distributed at intervals; through the design, the number of the fan blades 22 can be increased, and the problem that the fan blades 22 with the same size are easy to interfere when arranged too densely is reduced; the utility model discloses an above-mentioned arrangement, can increase fan blade 22's quantity to a certain extent to can optimize end plate fan 2's radiating effect.
Furthermore, the rotating shaft 1 of the utility model is provided with press-mounting straight grains 11; the arrangement of the press-fitting straight grains 11 facilitates the stability of connection between the end plate fan 2 and the rotating shaft 1, and in addition, in order to increase the assembly stability of the end plate fan 2, a radial groove 12 is arranged at the end part of the rotating shaft 1 in the utility model; the end fan is sleeved outside the radial groove 12 at the end part of the rotating shaft 1 through the sleeving through hole 211; the utility model discloses a setting in warp direction groove for the stability of being connected between pivot 1 and the end plate fan 2 strengthens, has avoided end plate fan 2 to take place not hard up along the 1 axial of pivot.
Furthermore, in the present invention, a limiting block 213 is disposed at an edge of the through hole 212 on one of the end plate fans 2; the limiting blocks 213 are arranged to play a good limiting role, generally, the limiting blocks 213 are respectively arranged on two opposite sides of the through hole 212, and through the matching of the two limiting blocks 213, the bolt inserted in the through hole 212 can be limited, so that the bolt and the nut can be conveniently screwed; and then conveniently realize the connection between two end plate fans 2 and fix.
Specifically, the end plate fan 2 disclosed in the utility model mainly increases the end heat dissipation area on the basis of the original function, changes the shape, the number and the height of the fan, plays a better role in heat dissipation, and improves the problem of NVH noise; meanwhile, the matching mode of the end plate fan 2 and the rotating shaft 1 is changed, and axial looseness is avoided.
The utility model discloses well end plate fan 2 plays a fixed action with 11 interference fit of 1 pressure equipment straight line in pivot, simultaneously through setting up radial groove 12 in pivot 1 for the board fan is riveted with 1 commentaries on classics in pivot, realizes the secondary and fixes, based on the design of above-mentioned structure, has avoided end plate fan 2 along the not hard up problem of 1 axial in pivot.
Obviously the specific implementation of the present invention is not limited by the above-mentioned manner, and various insubstantial improvements made by the method concept and technical solution of the present invention are all within the protection scope of the present invention.
Claims (7)
1. A rotor end plate structure for an automobile generator is characterized by comprising an end plate fan arranged on a rotating shaft, wherein a sleeving through hole is formed in the end plate fan;
the end plate fan comprises an end plate body, and a plurality of fan blades are arranged at the edge of the end plate body; a plurality of fan blades are distributed on the end plate body at intervals in an annular shape;
the fan blades are divided into a first type blade and a second type blade, the length of the first type blade is larger than that of the second type blade, and the first type blade and the second type blade are distributed at intervals.
2. The rotor end plate structure for the automobile generator as claimed in claim 1, wherein an end plate fan is provided at each end of the rotation shaft, the end plate fan is provided with a through hole, and the two end plate fans are connected by a bolt.
3. The rotor end plate structure for an automotive generator as claimed in claim 1, characterized in that each of said fan blades is an arc-shaped plate.
4. The rotor end plate structure for an automobile generator as recited in claim 1, wherein said rotating shaft is provided with press-fit straight grains.
5. The rotor end plate structure for an automobile generator according to claim 4, wherein the rotating shaft end portion is provided with a radial groove; the end fan is sleeved outside the radial groove at the end part of the rotating shaft through the sleeved through hole.
6. The rotor end plate structure for an automobile generator as claimed in claim 2, wherein a stopper is provided at an edge of the through hole in one of the end plate fans.
7. An automotive generator structure employing a rotor end plate structure as claimed in any one of claims 1 to 6, characterized by comprising a rotating shaft, and end plate fans are respectively press-fitted to both ends of the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220071780.9U CN217824563U (en) | 2022-01-12 | 2022-01-12 | Rotor end plate structure for automobile generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220071780.9U CN217824563U (en) | 2022-01-12 | 2022-01-12 | Rotor end plate structure for automobile generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217824563U true CN217824563U (en) | 2022-11-15 |
Family
ID=83957901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220071780.9U Active CN217824563U (en) | 2022-01-12 | 2022-01-12 | Rotor end plate structure for automobile generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217824563U (en) |
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2022
- 2022-01-12 CN CN202220071780.9U patent/CN217824563U/en active Active
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