CN209041448U - A kind of dedicated low module bevel gear pair of dentist devices - Google Patents
A kind of dedicated low module bevel gear pair of dentist devices Download PDFInfo
- Publication number
- CN209041448U CN209041448U CN201821665313.9U CN201821665313U CN209041448U CN 209041448 U CN209041448 U CN 209041448U CN 201821665313 U CN201821665313 U CN 201821665313U CN 209041448 U CN209041448 U CN 209041448U
- Authority
- CN
- China
- Prior art keywords
- gear
- bevel gear
- wheel
- pinion gear
- pinion
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 6
- 238000003801 milling Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000641 cold extrusion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Abstract
The utility model relates to a kind of components of dentist devices, more particularly to a kind of dedicated low module bevel gear pair of dentist devices, including intermeshing gear wheel and pinion gear, pinion gear one end tooth connection wheel shaft, gear wheel bottom connecting bushing, the gear wheel and pinion gear are spiral bevel gear, and the helical angle of gear wheel and pinion gear is 5-20 degree.The utility model uses helical angle by the spiral bevel gear of 5-20 degree to replace straight bevel gear, it makes it possible to and is processed using dedicated spiral bevel gear milling machine, promote the bearing capacity of machining accuracy and gear pair, improve the service life of gear pair, and noise is reduced, so that dentist devices transmission is more steady, noise is lower, machine life is significantly promoted.
Description
Technical field
The utility model relates to a kind of components of dentist devices more particularly to a kind of dedicated low module of dentist devices to bore tooth
Wheel set.
Background technique
| Serial number | Parameter | |
| 1 | Gear ratio | 6:15 |
| 2 | Modulus | 0.5 |
| 3 | Helical angle | 0 |
| 4 | Pressure angle | 20 |
| 5 | Crossed axis angle | 90 |
| 6 | Processing method | Cold extrusion |
Currently, 0.5 modulus pinion gear of dentist devices is all made of the straight bevel gear pair of cold-extrusion shaping, existing straight-tooth bores tooth
Wheel second parameter is as follows:
Straight bevel gear machining accuracy is low, and transmission is unstable, the weak gear capacity of intensity is low, service life wretched insufficiency, makes an uproar
Sound is big.
Utility model content
The utility model provides a kind of using spiral bevel to solve above-mentioned defect existing in the prior art and deficiency
Gear replaces straight bevel gear, makes it possible to and is processed using dedicated spiral bevel gear milling machine, promotes machining accuracy
And the bearing capacity of gear pair, the service life of gear pair is improved, and reduce noise, so that dentist devices transmission is more
Add the dedicated low module bevel gear pair of dentist devices that steady, noise is lower, machine life is significantly promoted.
The technical solution of the utility model includes: a kind of dedicated low module bevel gear pair of dentist devices, including it is intermeshing big
Gear and pinion gear, pinion gear one end tooth connection wheel shaft, gear wheel bottom connecting bushing, the gear wheel and small tooth
Wheel is spiral bevel gear, and the helical angle of gear wheel and pinion gear is 5-20 degree.
The utility model uses helical angle by the spiral bevel gear of 5-20 degree to replace straight bevel gear, makes it possible to and adopts
It is processed with dedicated spiral bevel gear milling machine, promotes the bearing capacity of machining accuracy and gear pair, improve gear pair
Service life, and noise is reduced, so that dentist devices transmission is more steady, noise is lower, machine life significantly mentions
It rises.
The helical angle of the spiral bevel gear design 5-20 degree of the utility model, increases flank of tooth registration, increasing helical angle makes
Gear has 2 teeth participating in engaged elevation flank of tooth bearing capacity and stationarity simultaneously in the running.
Preferably, the pitch cone of the pitch cone and gear wheel of pinion gear is overlapped, between the addendum cone of pinion gear and the root cone of gear wheel
There are gaps, and also there are gaps between the root cone and the addendum cone of gear wheel of pinion gear.
This kind of structure makes the engagement of gear wheel and pinion gear more steady reliable.
Preferably, the fully teeth height of the gear wheel is 1-2mm, and height of teeth top is 0.2-0.5mm, and height of teeth root is 0.5-1.2mm,
Outer diameter is 5-8mm, and the number of teeth is 12-20.
Preferably, the fully teeth height of the pinion gear is 1-2mm, and height of teeth top is 0.5-1.2mm, and height of teeth root is 0.2-0.8mm,
Outer diameter is 4-6mm, and the number of teeth is 5-8.
The utility model uses helical angle by the spiral bevel gear of 5-20 degree to replace straight bevel gear, makes it possible to and adopts
It is processed with dedicated spiral bevel gear milling machine, promotes the bearing capacity of machining accuracy and gear pair, improve gear pair
Service life, and noise is reduced, so that dentist devices transmission is more steady, noise is lower, machine life significantly mentions
It rises.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of gear wheel in the utility model；
Fig. 3 is the structural schematic diagram of pinion gear in the utility model；
1. gear wheel in figure, 2. pinion gears, 3. gear shafts, 4. axle sleeves, the addendum cone of 5. gear wheels, the pitch cone of 6. gear wheels,
7. the root of gear wheel is bored, the addendum cone of 8. pinion gears, the pitch cone of 9. pinion gears, the root cone of 10. pinion gears.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, but is not that model is protected to the utility model
The limitation enclosed.
As shown in Figure 1-3, a kind of dedicated low module bevel gear pair of dentist devices, including intermeshing gear wheel 1 and small
Gear 2,2 one end tooth connection wheel shaft 3 of pinion gear, 1 bottom connecting bushing 4 of gear wheel.Gear wheel 1 and pinion gear 2 are spiral bevel
Gear, and the helical angle of gear wheel 1 and pinion gear 2 is 5-20 degree.The pitch cone 9 of pinion gear and the pitch cone 8 of gear wheel are overlapped, small tooth
There are gaps between the root of the addendum cone 8 of wheel and gear wheel cone 7, between the root cone 10 and the addendum cone 5 of gear wheel of pinion gear also there are
Gap.The fully teeth height of gear wheel 1 is 1-2mm, and height of teeth top is 0.2-0.5mm, and height of teeth root is 0.5-1.2mm, and outer diameter is 5-8mm,
The number of teeth is 12-20.The fully teeth height of pinion gear 2 is 1-2mm, and height of teeth top is 0.5-1.2mm, and height of teeth root is 0.2-0.8mm, outer diameter
It is 4-6mm, the number of teeth is 5-8.
The major parameter of the utility model is as follows:
The major parameter of gear wheel is as follows: in the utility model
。
The major parameter of pinion gear is as follows: in the utility model
The utility model uses helical angle by the spiral bevel gear of 5-20 degree to replace straight bevel gear, makes it possible to and adopts
It is processed with dedicated spiral bevel gear milling machine, promotes the bearing capacity of machining accuracy and gear pair, improve gear pair
Service life, and noise is reduced, so that dentist devices transmission is more steady, noise is lower, machine life significantly mentions
It rises.
Claims (4)
1. a kind of dedicated low module bevel gear pair of dentist devices, including intermeshing gear wheel and pinion gear, the pinion gear
One end tooth connection wheel shaft, gear wheel bottom connecting bushing, it is characterised in that: the gear wheel and pinion gear are spiral bevel
Gear, and the helical angle of gear wheel and pinion gear is 5-20 degree.
2. the dedicated low module bevel gear pair of a kind of dentist devices according to claim 1, it is characterised in that: the section of pinion gear
The pitch cone of cone and gear wheel is overlapped, there are gap between the root cone of the addendum cone of pinion gear and gear wheel, the root cone of pinion gear with it is big
Also there are gaps between the addendum cone of gear.
3. the dedicated low module bevel gear pair of a kind of dentist devices according to claim 1, it is characterised in that: gear wheel it is complete
Tooth height is 1-2mm, and height of teeth top is 0.2-0.5mm, and height of teeth root is 0.5-1.2mm, and outer diameter is 5-8mm, and the number of teeth is 12-20.
4. the dedicated low module bevel gear pair of a kind of dentist devices according to claim 1, it is characterised in that: pinion gear it is complete
Tooth height is 1-2mm, and height of teeth top is 0.5-1.2mm, and height of teeth root is 0.2-0.8mm, and outer diameter is 4-6mm, and the number of teeth is 5-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821665313.9U CN209041448U (en) | 2018-10-15 | 2018-10-15 | A kind of dedicated low module bevel gear pair of dentist devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821665313.9U CN209041448U (en) | 2018-10-15 | 2018-10-15 | A kind of dedicated low module bevel gear pair of dentist devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209041448U true CN209041448U (en) | 2019-06-28 |
Family
ID=67036015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821665313.9U Expired - Fee Related CN209041448U (en) | 2018-10-15 | 2018-10-15 | A kind of dedicated low module bevel gear pair of dentist devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209041448U (en) |
-
2018
- 2018-10-15 CN CN201821665313.9U patent/CN209041448U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |