CN220452645U - Helical gear - Google Patents
Helical gear Download PDFInfo
- Publication number
- CN220452645U CN220452645U CN202320188732.2U CN202320188732U CN220452645U CN 220452645 U CN220452645 U CN 220452645U CN 202320188732 U CN202320188732 U CN 202320188732U CN 220452645 U CN220452645 U CN 220452645U
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- CN
- China
- Prior art keywords
- bevel gear
- spiral bevel
- gear teeth
- mounting piece
- hollow cylindrical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000010354 integration Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 14
- 239000003638 chemical reducing agent Substances 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 3
- 239000000843 powder Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000005245 sintering Methods 0.000 description 6
- 238000004663 powder metallurgy Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005275 alloying Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 difficult processing Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
Abstract
The utility model discloses a bevel gear which comprises a hollow cylindrical mounting piece and spiral bevel gear teeth, wherein a plurality of spiral bevel gear teeth are arranged on the outer wall of the hollow cylindrical mounting piece in an annular array, the spiral bevel gear teeth are in an inclined state relative to the axis of the hollow cylindrical mounting piece, and the axis of the annular array of the spiral bevel gear teeth is coincident with the axis of the hollow cylindrical mounting piece. The utility model utilizes the arrangement mode of matching the hollow cylindrical mounting piece and the spiral bevel gear teeth, the transmission effect is better than that of straight teeth by matching the inclined arrangement of the spiral bevel gear teeth with the inclined arrangement of the spiral bevel gear teeth by assembling the spiral bevel gear teeth on the hollow cylindrical mounting piece, and the bevel gear speed reducer formed by the hollow cylindrical mounting piece and the spiral bevel gear teeth is a novel speed reduction transmission device.
Description
Technical Field
The present utility model relates to the field of gears and, in particular to a helical gear.
Background
The gear means that the rim is continuously engaged with the gear mechanical elements transmitting motion and power. The use of gears in transmissions has long emerged. At the end of the 19 th century, the principle of generating tooth cutting method and the sequential appearance of special machine tools and cutters for cutting teeth by using the principle are emphasized, and with the development of production, the stability of gear operation is important.
However, the transmission of the common flat gear can only realize the transmission of rotation, the rotation cannot be reversed, and the common flat gear enters the engagement along the tooth width at the same time, so that impact vibration noise is generated, the transmission is unstable, and the transmission effect is poor.
Disclosure of Invention
The present utility model is directed to a helical gear to solve the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the helical gear comprises a hollow cylindrical mounting piece and helical bevel gear teeth, wherein a plurality of helical bevel gear teeth are arranged on the outer wall of the hollow cylindrical mounting piece in an annular array, the helical bevel gear teeth are in an inclined state relative to the axis of the hollow cylindrical mounting piece, and the axis of the annular array of the helical bevel gear teeth coincides with the axis of the hollow cylindrical mounting piece.
Preferably, the hollow cylinder mounting piece and the spiral bevel gear are integrally arranged.
Preferably, chamfer angles are formed on two sides of the hollow cylinder mounting piece.
Preferably, the chamfer is arranged at the edge of the hollow cylinder mounting piece, and the chamfer is in an annular arrangement.
The utility model has the technical effects and advantages that:
the utility model utilizes the arrangement mode of matching the hollow cylindrical mounting piece and the spiral bevel gear teeth, the transmission effect is better than that of straight teeth by assembling the spiral bevel gear teeth on the hollow cylindrical mounting piece and matching the inclined arrangement of the spiral bevel gear teeth, the center distance can be compact for high-speed heavy load, the bevel gear speed reducer formed by the hollow cylindrical mounting piece and the spiral bevel gear teeth is a novel speed reduction transmission device, the optimization is adopted, the advanced design concept of a module combination system is adopted, and the utility model has the advantages of small volume, light weight, large transmission torque, stable starting, fine gear ratio grading and capability of carrying out arbitrary connection and selection of various mounting positions according to the requirements of users.
Drawings
Fig. 1 is a schematic diagram of the front structure of the present utility model.
FIG. 2 is a side view of the present utility model schematic of the internal structure.
In the figure: 1. a hollow cylinder mount; 11. chamfering; 2. helical bevel gear teeth.
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.
The utility model provides a bevel gear as shown in fig. 1-2, which comprises a hollow cylindrical mounting piece 1 and spiral bevel gear teeth 2, wherein a plurality of spiral bevel gear teeth 2 are arranged on the outer wall of the hollow cylindrical mounting piece 1 in an annular array, the spiral bevel gear teeth 2 are in an inclined state relative to the axis of the hollow cylindrical mounting piece 1, and the axis of the annular array of the spiral bevel gear teeth 2 coincides with the axis of the hollow cylindrical mounting piece 1.
The hollow cylinder mounting piece 1 and the spiral bevel gear teeth 2 are integrally arranged.
Chamfer 11 is all offered to hollow cylinder mounting 1 both sides side.
The chamfer 11 is arranged at the edge of the hollow cylinder mounting piece 1, and the chamfer 11 is arranged in a ring shape.
The powder metallurgy process is a novel net near-forming technology, the required die forming is carried out by melting, heating, injecting and pressing metal powder, the traditional processing method is difficult to be qualified for special materials such as difficult processing, refractory metals, high alloying and the like, the powder metallurgy is a main processing production method, a great deal of applications are particularly obtained in high-precision gears and automobile spare parts, and the manufacturing flow of the helical gear formed between the hollow cylindrical mounting piece 1 and the helical bevel gear teeth 2 is as follows:
1. preparing the raw materials into metal powder, and preparing the raw materials into the metal powder by an oxidation reduction and mechanical method; 2. preparing blank powder, namely uniformly mixing the powder according to different product requirements by wet, dry or semi-dry type according to a certain equal proportion to prepare the blank powder, wherein the proportion of the powder is controlled; 3. forming a mould, namely filling the mixed blank powder into a corresponding forming mould for powder metallurgy, and forming the blank powder into a required shape through compression forming or pressureless forming; 4. the sintering of the powder metallurgy model product, the molded model is sintered through multi-element sintering or unit sintering, so that the required physical and mechanical properties of the final part product can be formed, and the powder metallurgy sintering process is the most important step in the whole process and is also the decisive process for the quality of the product performance; 5. the subsequent detail treatment of sintering is carried out, and the product with high requirements on product precision is subjected to subsequent detail treatment such as finishing, oil immersion, electroplating or a small amount of machining, heat treatment and the like after passing through the sintering process, so that the stability and hardness of the product are better.
The working principle of the utility model is as follows:
the helical gear teeth 2 are assembled on the hollow cylindrical mounting piece 1, the helical gear teeth 2 are matched with the inclined arrangement of the helical gear teeth 2, the transmission effect is better than that of straight teeth, the center distance can be compact for high-speed heavy load, the helical gear speed reducer formed by the hollow cylindrical mounting piece 1 and the helical gear teeth 2 is a novel speed reduction transmission device, the optimization is adopted, the advanced design concept of a module combination system is adopted, and the helical gear speed reducer has the advantages of small size, light weight, large transmission torque, stable starting, fine transmission ratio grading and capability of carrying out random connection and selection of various mounting positions according to user requirements.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (1)
1. The utility model provides a helical gear, includes hollow cylinder installed part (1) and spiral bevel gear tooth (2), its characterized in that, a plurality of spiral bevel gear tooth (2) are annular array and install in the outer wall of hollow cylinder installed part (1), the axle center of spiral bevel gear tooth (2) relative hollow cylinder installed part (1) is the incline condition, the axis coincidence of spiral bevel gear tooth (2) annular array and hollow cylinder installed part (1), hollow cylinder installed part (1) are the integration setting with spiral bevel gear tooth (2), chamfer (11) have all been seted up to the both sides side of hollow cylinder installed part (1), chamfer (11) are seted up in the boundary line department of hollow cylinder installed part (1), chamfer (11) are annular setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320188732.2U CN220452645U (en) | 2023-02-09 | 2023-02-09 | Helical gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320188732.2U CN220452645U (en) | 2023-02-09 | 2023-02-09 | Helical gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220452645U true CN220452645U (en) | 2024-02-06 |
Family
ID=89737021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320188732.2U Active CN220452645U (en) | 2023-02-09 | 2023-02-09 | Helical gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220452645U (en) |
-
2023
- 2023-02-09 CN CN202320188732.2U patent/CN220452645U/en active Active
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| GR01 | Patent grant |