CN205978033U - Gear shaft - Google Patents
Gear shaft Download PDFInfo
- Publication number
- CN205978033U CN205978033U CN201620809790.2U CN201620809790U CN205978033U CN 205978033 U CN205978033 U CN 205978033U CN 201620809790 U CN201620809790 U CN 201620809790U CN 205978033 U CN205978033 U CN 205978033U
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- CN
- China
- Prior art keywords
- shaft part
- shaft
- diameter
- gear
- gear shaft
- 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
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- 238000005728 strengthening Methods 0.000 claims description 5
- 230000003292 diminished effect Effects 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Gear Transmission (AREA)
Abstract
The utility model relates to a gear shaft, including the gear shaft body, its characterized in that: the gear shaft body including the first shaft part, second shaft part, third shaft part and the fourth shaft part that connect gradually, the diameter of first shaft part is 8.8 with the diameter ratio of second shaft part: 9.42, it strengthens the recess to be provided with the annular on the second shaft part, the diameter of third shaft part is diminished toward the other end by one end gradually, the one end and the second shaft part fixed connection of this third shaft part, and the other end and the fourth shaft part fixed connection of this third shaft part, the diameter of second shaft part is 9.42 with the diameter ratio of fourth shaft part: 6.32 the utility model discloses lie in: when this gear shaft received the external force extrusion in the use, gear shaft the fracture can not appear or deformation takes place, and the bulk strength is stronger, has guaranteed life, satisfies the demand on the market, and this structural design practicality is strong, easily promotes.
Description
Technical field
This utility model is related to motorcycle component technical field, specifically a kind of gear shaft.
Background technology
Gear shaft refers to support rotary part and turns round therewith with the machine components of transmitting movement, moment of torsion or moment of flexure.One
As for round metal shaft-like, each section can have different diameters.The part making gyration in machine is just contained on axle.
At present, when existing gear shaft is subject to external force to extrude in use, gear shaft occurs that fracture or deformation are existing
As occurring, bulk strength is poor, and service life cannot be guaranteed, and can not meet the demand on market.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of bulk strength relatively strong and ensures
The gear shaft of service life.
The technical solution of the utility model is realized in：A kind of gear shaft, including gear shaft body, its feature exists
In：Described gear shaft body includes the first shaft part, the second shaft part, the 3rd shaft part and the 4th shaft part being sequentially connected, and described
The diameter ratio of the diameter of one shaft part and the second shaft part is 8.8:9.42, described second shaft part is provided with annular and strengthens groove,
The diameter of described 3rd shaft part is tapered into from one end toward the other end, and one end of the 3rd shaft part is fixedly connected with the second shaft part,
The other end of the 3rd shaft part is fixedly connected with the 4th shaft part, and the diameter of described second shaft part and the diameter ratio of the 4th shaft part are
9.42:6.32.
It is preferably：The length of described first shaft part is 13mm, and the length of described second shaft part is 24.5mm, described 3rd axle
The length of section is 3.5mm, and the length of described 4th shaft part is 11.5mm.
By adopting technique scheme, the diameter ratio of the diameter of the first shaft part and the second shaft part is 8.8:9.42,
Be provided with two shaft parts annular strengthen groove, the diameter of the 3rd shaft part tapered into from one end toward the other end straight with the second shaft part
Footpath is 9.42 with the diameter ratio of the 4th shaft part:Under 6.32 cooperations, when this gear shaft is subject to external force to extrude in use, tooth
Wheel shaft is not in fracture or metaboly occurs, and bulk strength is relatively strong to meet the demand on market it is ensured that service life,
This structure design practical it is easy to promote.As the diameter of the first shaft part and the diameter ratio of the second shaft part are more than 8.8:9.42、
Annular reinforcement groove is provided with the second shaft part, the diameter of the 3rd shaft part is tapered into and the second shaft part from one end toward the other end
The diameter ratio of diameter and the 4th shaft part is 9.42:Under 6.32 cooperations, when this gear shaft is subject to external force to extrude in use,
Gear shaft occurs that phenomenon of rupture occurs, and bulk strength is poor, and service life cannot be guaranteed；Diameter and as the first shaft part
The diameter ratio of two shaft parts is less than 8.8:The 9.42nd, annular is provided with the second shaft part and strengthens the diameter of groove, the 3rd shaft part by one
Holding and tapering into diameter with the second shaft part with the diameter ratio of the 4th shaft part toward the other end is 9.42:Under 6.32 cooperations, this tooth
When wheel shaft is subject to external force to extrude in use, gear shaft occurs that metaboly occurs, and bulk strength is poor, service life
Cannot be guaranteed；So the diameter ratio of the diameter of the first shaft part and the second shaft part is 8.8:9.42nd, it is provided with the second shaft part
Annular strengthens groove, the diameter of the 3rd shaft part tapers into diameter with the second shaft part and the 4th shaft part from one end toward the other end
Diameter ratio is 9.42:Relatively reasonable under 6.32 cooperations, when this gear shaft is subject to external force to extrude in use, gear shaft is not
Occur that fracture or metaboly occur, bulk strength relatively strong it is ensured that service life.
This utility model is further arranged to：Described annular is strengthened groove and is included first side, bottom surface and second side,
This first side is 135 degree with angle formed by bottom surface, and this second side is 135 degree with angle formed by bottom surface.
It is preferably：The diameter of described second shaft part is 9.42 with the diameter ratio of annular strengthening groove：8.
By adopting technique scheme, this first side and angle formed by bottom surface are 135 degree, second side and bottom surface institute
The angle becoming is 135 degree and the diameter of the second shaft part is 9.42 with the diameter ratio of annular strengthening groove：Under 8 cooperations, further guarantor
Demonstrate,prove the bulk strength of the second shaft part, thus also further ensure that the service life of camshaft.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before not paying creative labor
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is this utility model specific embodiment structural representation.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
As shown in figure 1, the utility model discloses a kind of gear shaft, including gear shaft body, concrete in this utility model
In embodiment, described gear shaft body includes the first shaft part 1, the second shaft part 2, the 3rd shaft part 3 and the 4th axle being sequentially connected
Section 4, the diameter D1 of described first shaft part 1 and the diameter D2 ratio of the second shaft part 2 are 8.8:9.42, described second shaft part 2 sets
It is equipped with annular and strengthens groove 5, the diameter of described 3rd shaft part 3 is tapered into toward the other end 32 from one end 31, the 3rd shaft part 3
One end 31 is fixedly connected with the second shaft part 2, and the other end 32 of the 3rd shaft part 3 is fixedly connected with the 4th shaft part 4, described second axle
The diameter D4 ratio of the diameter D2 of section 2 and the 4th shaft part 4 is 9.42:6.32.
In this utility model specific embodiment, length L1 of described first shaft part 1 is 13mm, described second shaft part 2
Length L2 is 24.5mm, and length L3 of described 3rd shaft part 3 is 3.5mm, and length L4 of described 4th shaft part 4 is 11.5mm.
By adopting technique scheme, the diameter ratio of the diameter of the first shaft part and the second shaft part is 8.8:9.42,
Be provided with two shaft parts annular strengthen groove, the diameter of the 3rd shaft part tapered into from one end toward the other end straight with the second shaft part
Footpath is 9.42 with the diameter ratio of the 4th shaft part:Under 6.32 cooperations, when this gear shaft is subject to external force to extrude in use, tooth
Wheel shaft is not in fracture or metaboly occurs, and bulk strength is relatively strong to meet the demand on market it is ensured that service life,
This structure design practical it is easy to promote.As the diameter of the first shaft part and the diameter ratio of the second shaft part are more than 8.8:9.42、
Annular reinforcement groove is provided with the second shaft part, the diameter of the 3rd shaft part is tapered into and the second shaft part from one end toward the other end
The diameter ratio of diameter and the 4th shaft part is 9.42:Under 6.32 cooperations, when this gear shaft is subject to external force to extrude in use,
Gear shaft occurs that phenomenon of rupture occurs, and bulk strength is poor, and service life cannot be guaranteed；Diameter and as the first shaft part
The diameter ratio of two shaft parts is less than 8.8:The 9.42nd, annular is provided with the second shaft part and strengthens the diameter of groove, the 3rd shaft part by one
Holding and tapering into diameter with the second shaft part with the diameter ratio of the 4th shaft part toward the other end is 9.42:Under 6.32 cooperations, this tooth
When wheel shaft is subject to external force to extrude in use, gear shaft occurs that metaboly occurs, and bulk strength is poor, service life
Cannot be guaranteed；So the diameter ratio of the diameter of the first shaft part and the second shaft part is 8.8:9.42nd, it is provided with the second shaft part
Annular strengthens groove, the diameter of the 3rd shaft part tapers into diameter with the second shaft part and the 4th shaft part from one end toward the other end
Diameter ratio is 9.42:Relatively reasonable under 6.32 cooperations, when this gear shaft is subject to external force to extrude in use, gear shaft is not
Occur that fracture or metaboly occur, bulk strength relatively strong it is ensured that service life.
In this utility model specific embodiment, described annular is strengthened groove 5 and is included first side 51, bottom surface 52 and the
Two side faces 53, this first side 51 and angle formed by bottom surface 52 are 135 degree, and this second side 53 and angle formed by bottom surface 52 are
135 degree.
In this utility model specific embodiment, the diameter D2 of described second shaft part 2 and the diameter D3 ratio of annular strengthening groove 5
It is worth for 9.42：8.
By adopting technique scheme, this first side and angle formed by bottom surface are 135 degree, second side and bottom surface institute
The angle becoming is 135 degree and the diameter of the second shaft part is 9.42 with the diameter ratio of annular strengthening groove：Under 8 cooperations, further guarantor
Demonstrate,prove the bulk strength of the second shaft part, thus also further ensure that the service life of camshaft.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement made etc., should be included in this utility model
Protection domain within.
Claims (4)
1. a kind of gear shaft, including gear shaft body it is characterised in that：Described gear shaft body includes first being sequentially connected
Shaft part, the second shaft part, the 3rd shaft part and the 4th shaft part, the diameter of described first shaft part and the diameter ratio of the second shaft part are 8.8:
9.42, described second shaft part is provided with annular and strengthens groove, the diameter of described 3rd shaft part is gradually become toward the other end from one end
Little, one end of the 3rd shaft part is fixedly connected with the second shaft part, and the other end of the 3rd shaft part is fixedly connected with the 4th shaft part, institute
The diameter ratio of the diameter and the 4th shaft part of stating the second shaft part is 9.42:6.32.
2. a kind of gear shaft according to claim 1 it is characterised in that：Described annular is strengthened groove and is included the first side
Face, bottom surface and second side, this first side is 135 degree with angle formed by bottom surface, and this second side with angle formed by bottom surface is
135 degree.
3. a kind of gear shaft according to claim 2 it is characterised in that：The diameter of described second shaft part and annular strengthening groove
Diameter ratio be 9.42：8.
4. a kind of gear shaft according to claim 1 it is characterised in that：The length of described first shaft part is 13mm, described
The length of the second shaft part is 24.5mm, and the length of described 3rd shaft part is 3.5mm, and the length of described 4th shaft part is 11.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620809790.2U CN205978033U (en) | 2016-07-29 | 2016-07-29 | Gear shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620809790.2U CN205978033U (en) | 2016-07-29 | 2016-07-29 | Gear shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205978033U true CN205978033U (en) | 2017-02-22 |
Family
ID=58027019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620809790.2U Expired - Fee Related CN205978033U (en) | 2016-07-29 | 2016-07-29 | Gear shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205978033U (en) |
-
2016
- 2016-07-29 CN CN201620809790.2U patent/CN205978033U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20190729 |