CN208417223U - The gear shaft of spur gear with heat sinking function - Google Patents
The gear shaft of spur gear with heat sinking function Download PDFInfo
- Publication number
- CN208417223U CN208417223U CN201820645171.3U CN201820645171U CN208417223U CN 208417223 U CN208417223 U CN 208417223U CN 201820645171 U CN201820645171 U CN 201820645171U CN 208417223 U CN208417223 U CN 208417223U
- Authority
- CN
- China
- Prior art keywords
- cylindrical portion
- face
- gear shaft
- sinking function
- heat sinking
- 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
Abstract
The utility model discloses a kind of gear shafts of spur gear with heat sinking function, including axis body, it is axially disposed on axis body to have through-hole, axis body includes the first cylindrical portion, keyway is provided on the periphery of first cylindrical portion, the both ends of the surface of first cylindrical portion are respectively first end face and second end face, the second cylindrical portion is respectively connected in first end face and second end face, section is provided in second cylindrical portion, the section of the second cylindrical portion on the section and second end face of the second cylindrical portion in first end face is perpendicular, and heat dissipation convex block is provided in through-hole.The gear shaft of the utility model has preferable heat dissipation effect, can be effectively reduced temperature when gear shaft and assembly parts work thereon, guarantees the service life of gear shaft.
Description
Technical field
The utility model relates to technical field of mechanical transmission, and in particular to a kind of gear of the spur gear with heat sinking function
Axis.
Background technique
In industry, gear shaft is that one kind is used to support rotational parts and turns round passing movement, torque or curved therewith
The part of square.The gear shaft of spur gear its temperature during running at high speed can increase, temperature is excessively high be unfavorable for gear shaft and its
The normal use of upper accessory, but the heat dissipation effect of existing gear shaft itself is poor, service life is shorter, and not being able to satisfy to use needs
It asks.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of gear shafts of spur gear with heat sinking function, have
Preferable heat dissipation effect, can be effectively reduced temperature when gear shaft and assembly parts work thereon, and guarantee gear shaft uses the longevity
Life.
In order to solve the above-mentioned technical problem, the technical scheme that the utility model is provided is as follows:
A kind of gear shaft of the spur gear with heat sinking function, including axis body, it is axially disposed on the axis body to have through-hole,
The axis body includes the first cylindrical portion, is provided with keyway on the periphery of first cylindrical portion, and the two of first cylindrical portion
End face is respectively first end face and second end face, and the second cylindrical portion is respectively connected in the first end face and second end face, described
Section is provided in second cylindrical portion, the second cylindrical portion on the section and second end face of the second cylindrical portion in first end face
Section it is perpendicular, heat dissipation convex block is provided in the through-hole.
Heat dissipation convex block being arranged radially along the through-hole.
The protrusion height of the heat dissipation convex block is 0.5~0.7 times of the through-hole diameter.
The section without the second cylindrical portion axis.
It is provided on the periphery of first cylindrical portion multiple in locating convex block circumferentially.
Multiple locating convex blocks are in be arranged circumferentially on the periphery of the first cylindrical portion.
The locating convex block is sectorial block.
Oil storage hole is additionally provided on the periphery of first cylindrical portion.
Arc oil groove is provided on the arcwall face of second cylindrical portion.
The utility model has the following beneficial effects: the gear shaft of the utility model, has preferable heat dissipation effect, it can
Temperature when gear shaft and assembly parts work thereon is effectively reduced, guarantees the service life of gear shaft；Overall weight is lighter, structure
It is compact, smooth running.
Detailed description of the invention
Fig. 1 is the gear shaft three dimensional structure diagram of the utility model；
Fig. 2 is the main view of the gear shaft of the utility model；
Fig. 3 is the left view of Fig. 2；
In figure: 1, axis body, 11, through-hole, the 12, first cylindrical portion, 121, first end face, 122, second end face, 123, keyway,
124, locating convex block, 125, oil storage hole, the 13, second cylindrical portion, 131, section, 132, arc oil groove, 14, heat dissipation convex block.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
As Figure 1-Figure 2, a kind of gear shaft of the spur gear with heat sinking function, including axis body 1, along axis on axis body 1
To through-hole 11 is provided with, i.e., axis body 1 uses hollow structure, that is, is conducive to heat dissipation, also can reduce gear shaft weight, and axis body 1 includes the
One cylindrical portion 12 is provided with keyway 123 on the periphery of first cylindrical portion 12, and the both ends of the surface of the first cylindrical portion 12 are respectively first
The second cylindrical portion 13, the second cylinder are respectively connected in end face 121 and second end face 122, first end face 121 and second end face 122
Section 131 is provided in portion 13, on the section 131 and second end face 122 of the second cylindrical portion 13 in first end face 121
The section 131 of two cylindrical portions 13 is perpendicular, and heat dissipation convex block 14 is provided in through-hole 11, can play fan blade when axis body 1 rotates
Effect, improve axis body 1 heat dissipation effect.
The setting of section 131 is convenient for radiating so that there are gap between the part of the second cylindrical portion 13 and socket on it,
The form of section 131 is constituted using the direct cut-out arc surface in the second cylindrical portion 13 simultaneously, is also more conducive to guarantee the
Stable connection degree between the part of two cylindrical portions 13 and socket on it, two sections 131 are perpendicular, are on the one hand more conducive to tooth
Wheel shaft it is circumferentially positioned, prevent it from slipping, on the other hand also be more conducive to improve gear shaft entirety heat dissipation effect, while
It can guarantee the smooth running degree of gear shaft.
Wherein, the first cylindrical portion 12 is for connecting spur gear.
Further, heat dissipation being arranged radially along through-hole 11 of convex block 14, settable one or more.
Further, the protrusion height H of heat dissipation convex block 14 is 0.5~0.7 times of 11 diameter of through-hole, and heat dissipation effect is more preferable.
Further, section 131 without the axis of the second cylindrical portion 13 namely section 131 always not with the second cylinder
The axial section in portion 13 coincides, and this can enable the areas that the area of section 131 is consistently less than above-mentioned axial section, thus preferably
Guarantee the stable connection between the part of the second cylindrical portion 13 and socket on it.
In a wherein embodiment, it is provided on the periphery of the first cylindrical portion 12 multiple in positioning circumferentially
Convex block 124, to play positioning action to spur gear, which realizes positioning using multiple locating convex blocks 124, enables to
Spur gear is more uniformly stressed, and is also conducive to the positioning stable degree of enhancing spur gear；Location structure is simple, convenient for arrangement and saves
Material.
Further, as shown in figure 3, multiple locating convex blocks 124 are in circumferential uniform on the periphery of the first cylindrical portion 12
Arrangement, so that force when positioning is more uniform.
Further, locating convex block 124 is sectorial block, and locating effect is more preferable.
Further, it is additionally provided with oil storage hole 125 on the periphery of the first cylindrical portion 12, for storing lubricating oil and to
One cylindrical portion 12 is lubricated.
Further, it is provided with arc oil groove 132 on the arcwall face of the second cylindrical portion 13, is made with playing preferable lubrication
With reducing the abrasion of gear shaft.
Further, the groove depth of arc oil groove 132 is 0.5~3mm, also can guarantee gear while playing lubricating action
The intensity of axis.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (9)
1. a kind of gear shaft of the spur gear with heat sinking function, characterized in that axially disposed on the axis body including axis body
There is through-hole, the axis body includes the first cylindrical portion, is provided with keyway, first cylinder on the periphery of first cylindrical portion
The both ends of the surface in portion are respectively first end face and second end face, and the second cylinder is respectively connected in the first end face and second end face
Portion is provided with section in second cylindrical portion, and on the section and second end face of the second cylindrical portion in first end face
The section of two cylindrical portions is perpendicular, and heat dissipation convex block is provided in the through-hole.
2. the gear shaft of the spur gear with heat sinking function as described in claim 1, characterized in that the heat dissipation convex block is along institute
State being arranged radially for through-hole.
3. the gear shaft of the spur gear with heat sinking function as claimed in claim 2, characterized in that the convex of convex block of radiating
Height is 0.5~0.7 times of the through-hole diameter out.
4. the gear shaft of the spur gear with heat sinking function as described in claim 1, characterized in that the section is without the
The axis of two cylindrical portions.
5. the gear shaft of the spur gear with heat sinking function as described in claim 1, characterized in that first cylindrical portion
It is provided on periphery multiple in locating convex block circumferentially.
6. the gear shaft of the spur gear with heat sinking function as claimed in claim 5, characterized in that multiple locating convex blocks
It is in be arranged circumferentially on the periphery of the first cylindrical portion.
7. the gear shaft of the spur gear with heat sinking function as claimed in claim 5, characterized in that the locating convex block is fan
Shape block.
8. the gear shaft of the spur gear with heat sinking function as described in claim 1, characterized in that first cylindrical portion
Oil storage hole is additionally provided on periphery.
9. the gear shaft of the spur gear with heat sinking function as described in claim 1, characterized in that second cylindrical portion
Arc oil groove is provided on arcwall face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820645171.3U CN208417223U (en) | 2018-05-02 | 2018-05-02 | The gear shaft of spur gear with heat sinking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820645171.3U CN208417223U (en) | 2018-05-02 | 2018-05-02 | The gear shaft of spur gear with heat sinking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208417223U true CN208417223U (en) | 2019-01-22 |
Family
ID=65117591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820645171.3U Expired - Fee Related CN208417223U (en) | 2018-05-02 | 2018-05-02 | The gear shaft of spur gear with heat sinking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208417223U (en) |
-
2018
- 2018-05-02 CN CN201820645171.3U patent/CN208417223U/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: 20190122 Termination date: 20190502 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |