CN213684653U - Simple and convenient fan and main shaft fixing structure - Google Patents
Simple and convenient fan and main shaft fixing structure Download PDFInfo
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- CN213684653U CN213684653U CN202022713188.8U CN202022713188U CN213684653U CN 213684653 U CN213684653 U CN 213684653U CN 202022713188 U CN202022713188 U CN 202022713188U CN 213684653 U CN213684653 U CN 213684653U
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- main shaft
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- braking
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- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a simple and convenient fan and main shaft fixed knot construct, including wheel hub and main shaft, set up the shaft shoulder on the main shaft, wherein, wheel hub's one end supports and leans on set up on the shaft shoulder, set up fixed keyway on the main shaft, set up the braking key in the fixed keyway, wheel hub passes through the braking key and fixes with the shaft shoulder on the main shaft. The utility model provides a pair of simple and convenient fan and main shaft fixed knot construct has following advantage: the processing is simple, and only two small key grooves (symmetrically arranged) and two braking keys need to be processed on the shaft; the installation is convenient, the flat key plays a guiding role during the installation, and the surplus of 2mm is reserved in the length direction of the braking key, so that the flat key is ensured to be tightly attached to the hub during the installation; the dismounting is convenient, and the hub can be ejected out after the brake key is removed.
Description
Technical Field
The utility model belongs to the technical field of novel fan structure, concretely relates to simple and convenient fan and main shaft fixed knot construct.
Background
The connection between the fan impeller and the main shaft in China is usually in a mode of matching a wedge-shaped key and a locking sleeve, and the method has large processing amount; the wedge-shaped key has high requirement on assembly precision; the wedge key is inconvenient to disassemble.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a simple and convenient fan and main shaft fixed knot construct, including wheel hub and main shaft, set up the shaft shoulder on the main shaft, wherein, wheel hub's one end supports and leans on set up on the shaft shoulder, set up fixed keyway on the main shaft, set up the braking key in the fixed keyway, wheel hub passes through the braking key and fixes with the shaft shoulder on the main shaft.
Preferably, the fixing key grooves are arranged in two groups and symmetrically arranged.
In any of the above aspects, preferably, the fixing key groove has a long strip shape.
In any of the above aspects, preferably, the shape of the detent key is L-shaped.
In any of the above aspects, preferably, the length of the detent key is 2mm greater than the fixed key groove.
The utility model has the advantages that: the utility model provides a pair of simple and convenient fan and main shaft fixed knot construct has following advantage: the processing is simple, and only two small key grooves (symmetrically arranged) and two braking keys need to be processed on the shaft; the installation is convenient, the flat key plays a guiding role during the installation, and the surplus of 2mm is reserved in the length direction of the braking key, so that the flat key is ensured to be tightly attached to the hub during the installation; the dismounting is convenient, and the hub can be ejected out after the brake key is removed.
Drawings
FIG. 1 is a schematic structural diagram of a conventional connection method;
fig. 2 is a schematic view of a preferred embodiment of a simple fan and spindle fixing structure according to the present invention.
The figures are labeled as follows: 1-a hub; 2-a main shaft; 3-shaft shoulder; 4-locking sleeve; 5-a wedge bond; 6-fixing the key slot; 7-brake key.
Detailed Description
In order to further understand the present invention, the present invention will be described in detail with reference to the following embodiments.
As shown in fig. 1, a conventional mode for connecting a fan impeller and a main shaft of this type is generally that a wedge key is used in cooperation with a locking sleeve, and includes a hub 1 and a main shaft 2, wherein a shaft shoulder 3 is arranged on the main shaft 2, one side of the hub 1 close to the shaft shoulder 3 is fixed by the locking sleeve 4, and the other side of the hub 1 is fixed by the wedge key 5, and this method has a large processing amount; the wedge-shaped key has high requirement on assembly precision; the wedge key is inconvenient to disassemble.
Aiming at the inconvenience of the structure, the utility model provides a simple and convenient fan and main shaft fixing structure, which comprises a hub 1 and a main shaft 2, wherein a shaft shoulder 3 is arranged on the main shaft 2, one end of the hub 1 is supported against the shaft shoulder 3, a fixed key groove 6 is arranged on the main shaft 2, a brake key 7 is arranged in the fixed key groove 6, the hub 1 is fixed on the main shaft 2 through the brake key 7 and the shaft shoulder 3, the fixed key grooves 6 are arranged into two groups and are symmetrically arranged, the fixed key groove 6 is in a long strip shape, the brake key 7 is in an L shape, the length of the brake key 7 is 2mm larger than that of the fixed key groove 6, the structure is simple to process, only two small key grooves (symmetrically arranged) and two brake keys 7 are required to be additionally processed on the main shaft 2, the structure is convenient to install, and the brake key 7 plays a guiding role during installation, the length direction of the brake key 7 is reserved with 2mm allowance, the brake key is ensured to be tightly attached to the hub 1 during installation, the structure is convenient to disassemble, and the hub 1 can be ejected out after the brake key 7 is removed.
It will be understood by those skilled in the art that a simple fan and spindle mounting structure of the present invention includes any combination of the above-mentioned embodiments and embodiments of the present invention and the accompanying drawings, which are not limited to space and are not described in detail for the sake of brevity. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a simple and convenient fan and main shaft fixed knot construct, includes wheel hub and main shaft, set up the shaft shoulder on the main shaft, its characterized in that, wheel hub's one end support by set up on the shaft shoulder, set up fixed keyway on the main shaft, set up the braking key in the fixed keyway, wheel hub passes through the braking key and the shaft shoulder is fixed on the main shaft.
2. The simplified fan and spindle mounting arrangement as set forth in claim 1 wherein said mounting keyways are arranged in two sets and are symmetrically arranged.
3. The simple fan and spindle fixing structure of claim 1, wherein the fixing key slot is shaped as a long strip.
4. The simple fan and spindle fixing structure as claimed in claim 3, wherein the braking key is L-shaped.
5. The simple fan and spindle fixing structure of claim 4, wherein the length of the braking key is 2mm greater than that of the fixing key groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022713188.8U CN213684653U (en) | 2020-11-20 | 2020-11-20 | Simple and convenient fan and main shaft fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022713188.8U CN213684653U (en) | 2020-11-20 | 2020-11-20 | Simple and convenient fan and main shaft fixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213684653U true CN213684653U (en) | 2021-07-13 |
Family
ID=76734373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022713188.8U Active CN213684653U (en) | 2020-11-20 | 2020-11-20 | Simple and convenient fan and main shaft fixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213684653U (en) |
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2020
- 2020-11-20 CN CN202022713188.8U patent/CN213684653U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 063200 Caofeidian Industrial Zone, Hebei, Tangshan City Patentee after: Jinyu Rizhang Fan Energy saving Technology (Hebei) Co.,Ltd. Country or region after: China Address before: 063200 Caofeidian Industrial Zone, Hebei, Tangshan City Patentee before: JIDONG RIZHANG ENERGY-SAVING WIND TURBINE MANUFACTURING CO.,LTD. Country or region before: China |
|
| CP03 | Change of name, title or address |