CN204239666U - A kind of anti-interference gear - Google Patents
A kind of anti-interference gear Download PDFInfo
- Publication number
- CN204239666U CN204239666U CN201420620157.XU CN201420620157U CN204239666U CN 204239666 U CN204239666 U CN 204239666U CN 201420620157 U CN201420620157 U CN 201420620157U CN 204239666 U CN204239666 U CN 204239666U
- Authority
- CN
- China
- Prior art keywords
- angle
- interference
- tooth
- tip relief
- gear
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- 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
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Abstract
The utility model discloses a kind of anti-interference gear, amount of interference when it can reduce gears meshing, its profile of tooth comprises following parameter: h whole depth, h xy tip relief is high, hs addendum, an pressure angle, afd tip relief angle, az increases angle, and formed by first flank of tooth and second flank of tooth, angle is increase angle az, and formed by second flank of tooth and vertical plane, angle is tip relief angle afd; Wherein the pass of pressure angle an, tip relief angle afd, increase angle az is: afd=arctan (tan (an)+△ δ/tan (0.4m)); Az=afd-an; In formula, m is module, and △ δ is gear tooth interference amount, and span is 0.02 ~ 0.09.The utility model structure is simple, can reduce the amount of interference of gears meshing widely, not only facilitate use, also improve the working life of gear.
Description
Technical field
The utility model relates to a kind of gear, particularly relates to a kind of point-line meshing gear that can reduce to interfere when at gears meshing.
Background technique
The gear of pair of meshing, if parameter is matched bad, tooth will occur and tooth blocks, can not rotate, this phenomenon is called interference., this can affect the transmission of gear and the damage of accelerating gear engagement place, shortens gear life.
Model utility content
Because the above-mentioned defect of prior art, technical problem to be solved in the utility model is to provide a kind of gear of amount of interference when can reduce gears meshing and processes this gear hobboing cutter tooth used.
For achieving the above object, the utility model provides a kind of anti-interference gear, and its profile of tooth comprises following parameter: h whole depth, h-
xytip relief is high, h
saddendum, a
npressure angle, a
fdtip relief angle, a
zincrease angle, formed by first flank of tooth and second flank of tooth, angle is increase angle a
z,formed by second flank of tooth and vertical plane, angle is tip relief angle a
fd;
Wherein pressure angle a
n, tip relief angle a
fd, increase angle a
zpass be:
a
fd=arctan(tan(a
n)+△δ/tan(0.4m))；
a
z= a
fd-a
n；
In formula, m is module, and △ δ is gear tooth interference amount, and span is 0.02 ~ 0.09.
Further, the value of each parameter is respectively: pressure angle a
n=25 °, amount of interference △ δ=0.02, modulus m=0.1, tip relief height h-
xy=21(㎝), whole depth h=78(㎝), addendum h
s=39(㎝), tip relief angle a
fd=44.1 °, increase angle a
z=19.1 °.
Further, the value of each parameter is respectively: pressure angle a
n=25 °, tip relief height h-
xy=21(㎝), whole depth h=78(㎝), addendum h
s=39(㎝), amount of interference △ δ=0.09, modulus m=0.2, tip relief angle a
fd=57.5 °, increase angle a
z=32.5 °.
Further, the value of each parameter is respectively: pressure angle a
n=25 °, tip relief height h-
xy=21(㎝), whole depth h=78(㎝), addendum h
s=39(㎝), amount of interference △ δ=0.045, modulus m=0.2, tip relief angle a
fd=45.8 °, increase angle a
z=20.8 °.
The beneficial effects of the utility model are: the utility model structure is simple, can reduce the amount of interference of gears meshing widely, not only facilitate use, also improve the working life of gear.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of anti-interference gear of the utility model embodiment.
Fig. 2 is the structural representation of the embodiment of a kind of anti-interference Gear Processing of the utility model hobboing cutter.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
See Fig. 1, a kind of anti-interference gear, its profile of tooth comprises following parameter: gear whole depth (hereinafter referred to as whole depth), h-
xytooth top tip relief high (high hereinafter referred to as tip relief), h
stransverse tooth thickness measuring point addendum (hereinafter referred to as addendum), a
nnormal direction pressure angle of graduated circle (hereinafter referred to as pressure angle), a
fdnormal direction tooth top tip relief angle (hereinafter referred to as tip relief angle), a
zthe tip relief of normal direction tooth top increases angle (hereinafter referred to as increase angle), and formed by first flank of tooth 11 and second flank of tooth 21, angle is increase angle a
z,second flank of tooth 21 is tip relief angle a with angle formed by vertical plane
fd;
Wherein pressure angle a
n, tip relief angle a
fd, increase angle a
zpass be:
a
fd=arctan(tan(a
n)+△δ/tan(0.4m))；
a
z= a
fd-a
n；
In formula, m is module, and △ δ is gear tooth interference amount, and span is 0.02 ~ 0.09, a
nit is 20 ° or 25 °.
See Fig. 2, above-mentioned anti-interference Gear Processing hobboing cutter, its profile of tooth comprises following parameter: h: gear whole depth (hereinafter referred to as whole depth), h-
xytooth top tip relief high (high hereinafter referred to as tip relief), h
stransverse tooth thickness measuring point addendum (hereinafter referred to as addendum), s
c1measuring point circular thickness (hereinafter referred to as circular thickness), s
jthe profound length of hobboing cutter tooth measuring point normal direction (hereinafter referred to as profound length), a
nnormal direction pressure angle of graduated circle (hereinafter referred to as pressure angle), a
fdnormal direction tooth top tip relief angle (hereinafter referred to as tip relief angle), a
zthe tip relief of normal direction tooth top increases angle (hereinafter referred to as increase angle), Rp
fnnormal direction point of a knife (tooth root) fillet (hereinafter referred to as fillet);
Formed by first flank of tooth 1 and second flank of tooth 2, angle is increase angle a
z, second flank of tooth 2 is tip relief angle a with angle formed by vertical plane
fd;
Wherein pressure angle a
n, tip relief angle a
fd, increase angle a
zpass be:
a
fd=arctan(tan(a
n)+△δ/tan(0.4m))；
a
z= a
fd-a
n；
In formula, m is module; △ δ is gear tooth interference amount, and span is 0.02 ~ 0.09; a
nit is 20 ° or 25 °.
Embodiment one:
Each parameter occurrence of anti-interference gear and processing hobboing cutter thereof is: pressure angle a
n=25 °, amount of interference △ δ=0.02, modulus m=0.1, tip relief height h-
xy=21(㎝), whole depth h=78(㎝), addendum h
s=39(㎝), circular thickness s
c1=70.3, profound long s
j=76.7, fillet Rp
fn=25(㎝);
A can be learnt by formulae discovery
fd=44.1 °, a
z=19.1 °.
Embodiment two, each parameter occurrence of anti-interference gear and processing hobboing cutter thereof is: amount of interference △ δ=0.09, modulus m=0.2, and other parameters are identical with embodiment one,
By the known a of formulae discovery
fd=57.5 °, a
z=32.5 °.
Embodiment three, each parameter occurrence of anti-interference gear and processing hobboing cutter thereof is: amount of interference △ δ=0.045, modulus m=0.2, and other parameters are identical with embodiment one,
By the known a of formulae discovery
fd=45.8 °, a
z=20.8 °.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technician in the art according to design of the present utility model on the basis of existing technology by the available technological scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (4)
1. an anti-interference gear, is characterized in that: its profile of tooth comprises following parameter: h whole depth, h
xytip relief is high, h
saddendum, a
npressure angle, a
fdtip relief angle, a
zincrease angle, formed by first flank of tooth and second flank of tooth, angle is increase angle a
z,formed by second flank of tooth and vertical plane, angle is tip relief angle a
fd;
Wherein pressure angle a
n, tip relief angle a
fd, increase angle a
zpass be:
a
fd＝arctan(tan(a
n)+△δ/tan(0.4m))；a
z＝a
fd-a
n；
In formula, m is module, and △ δ is gear tooth interference amount, and span is 0.02 ~ 0.09.
2. a kind of anti-interference gear as claimed in claim 1, is characterized in that: the value of each parameter is respectively: pressure angle a
n=25 °, amount of interference △ δ=0.02, modulus m=0.1, tip relief height h
xy=21 ㎝, whole depth h=78 ㎝, addendum h
s=39 ㎝, tip relief angle a
fd=44.1 °, increase angle a
z=19.1 °.
3. a kind of anti-interference gear as claimed in claim 1, is characterized in that: the value of each parameter is respectively: pressure angle a
n=25 °, tip relief height h
xy=21 ㎝, whole depth h=78 ㎝, addendum h
s=39 ㎝, amount of interference △ δ=0.09, modulus m=0.2, tip relief angle a
fd=57.5 °, increase angle a
z=32.5 °.
4. a kind of anti-interference gear as claimed in claim 1, is characterized in that: the value of each parameter is respectively: pressure angle a
n=25 °, tip relief height h
xy=21 ㎝, whole depth h=78 ㎝, addendum h
s=39 ㎝, amount of interference △ δ=0.045, modulus m=0.2, tip relief angle a
fd=45.8 °, increase angle a
z=20.8 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420620157.XU CN204239666U (en) | 2014-10-25 | 2014-10-25 | A kind of anti-interference gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420620157.XU CN204239666U (en) | 2014-10-25 | 2014-10-25 | A kind of anti-interference gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239666U true CN204239666U (en) | 2015-04-01 |
Family
ID=52769166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420620157.XU Expired - Fee Related CN204239666U (en) | 2014-10-25 | 2014-10-25 | A kind of anti-interference gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204239666U (en) |
-
2014
- 2014-10-25 CN CN201420620157.XU patent/CN204239666U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING QIJIANG YUANQUAN ELECTROMECHANICAL CO., Free format text: FORMER OWNER: QIJIANG DA LISHEN GEAR CO., LTD. Effective date: 20150608 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150608 Address after: 401420, Qijiang County Industrial Park, Sanjiang street, two villages, seven clubs (Qijiang Industrial Park), Chongqing Patentee after: Qijiang Chongqing source electromechanical Co., Ltd. Address before: 401420 Qijiang County Industrial Park (Sanjiang Town, villages, seven clubs) Patentee before: QIJIANG DALISHEN GEAR CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20171025 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |