CN214946215U - Straight line annular knurl connection structure - Google Patents
Straight line annular knurl connection structure Download PDFInfo
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- CN214946215U CN214946215U CN202120627431.6U CN202120627431U CN214946215U CN 214946215 U CN214946215 U CN 214946215U CN 202120627431 U CN202120627431 U CN 202120627431U CN 214946215 U CN214946215 U CN 214946215U
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- gear
- section
- annular knurl
- knurling
- knurl
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Abstract
The utility model relates to a straight line annular knurl connection structure relates to the field of mechanical connection, and it is less to have solved the axial coupling power between gear and the gear shaft for straight line annular knurl connection structure is when using, and the gear takes place endwise slip's problem with the gear shaft easily, and it includes gear shaft and gear, the gear shaft has an annular knurl section, the gear is installed on the annular knurl section and is connected with the gear shaft annular knurl, the hole of gear with the end footpath interference fit of annular knurl section. This application has and makes straight line annular knurl connection structure when using, and the gear is difficult for taking place endwise slip's effect with the gear shaft.
Description
Technical Field
The application relates to the field of mechanical connection, in particular to a straight-line knurled connection structure.
Background
Knurling is a mechanical process for rolling patterns on the handle of a metal product or other working surfaces, and is mainly used for skid resistance.
In the related art, as shown in fig. 1, the straight knurled connection structure includes a gear shaft 1 and a gear 2, where the gear shaft 1 has a knurled section 11, and the gear 2 is mounted on the knurled section 11 of the gear shaft 1, and is formed with a tooth groove matched with the knurled section 11.
In view of the above-mentioned related art, the inventor believes that the axial connecting force between the gear and the gear shaft is small, so that the gear and the gear shaft are easy to slide axially when the straight knurled connecting structure is used, and there is still room for improvement.
SUMMERY OF THE UTILITY MODEL
In order to make straight line annular knurl connection structure when using, the gear is difficult for taking place endwise slip with the gear shaft, and this application provides a straight line annular knurl connection structure.
The application provides a straight line annular knurl connection structure adopts following technical scheme:
the utility model provides a straight line annular knurl connection structure, includes gear shaft and gear, the gear shaft has an annular knurl section, the gear is installed on the annular knurl section and is connected with the gear shaft annular knurl, the hole of gear with the end footpath interference fit of annular knurl section.
Through adopting above-mentioned technical scheme, the hole of gear and the end footpath interference fit of annular knurl section have increased the axial coupling power between gear shaft and the gear, make straight line annular knurl connection structure when using, the gear is difficult for taking place endwise slip with the gear shaft, has improved the stability when straight line annular knurl connection structure uses.
Optionally, the gear shaft is provided with a transmission gear section, and one side of the knurled section, which is far away from the transmission gear section, is provided with a guide surface.
Through adopting above-mentioned technical scheme, the setting of spigot surface, the outside deformation of hole of guide gear to establish the gear cover and install on the drive gear section, improved the packaging efficiency of gear and gear shaft.
Optionally, the gear is a helical gear.
Through adopting above-mentioned technical scheme, helical gear is more steady for the spur gear, and impact, vibration and noise are less.
Optionally, the guide surface is arranged in a conical surface.
Optionally, the guide surface is circumferentially arranged in an inwards concave arc surface.
Optionally, the guide surface is arranged in a convex arc surface along the circumferential direction.
Optionally, the major diameter of the guide surface is equal to the bottom diameter of the knurled section.
Optionally, the annular knurl section includes annular knurl joint portion and annular knurl transition portion, the annular knurl joint portion is located one side that the annular knurl section is close to the drive gear section, the annular knurl transition portion is located one side that the annular knurl section kept away from the drive gear section, the end footpath of annular knurl joint portion with the hole interference fit of gear, the annular knurl transition portion is less than the size of annular knurl joint portion.
In summary, the present application includes at least one of the following beneficial technical effects:
the hole of gear and the end footpath interference fit of annular knurl section have increased the axial coupling power between gear shaft and the gear, make straight line annular knurl connection structure when using, the gear is difficult for taking place axial slip with the gear shaft, has improved the stability when straight line annular knurl connection structure uses.
Drawings
Fig. 1 is a schematic structural view of a straight knurled connection structure in the related art.
Fig. 2 is a schematic structural view of a straight knurled connection structure according to embodiment 1 of the present application.
Fig. 3 is a schematic structural view of a straight knurled connection structure according to embodiment 2 of the present application.
Fig. 4 is a schematic structural view of a straight knurled connection structure according to embodiment 3 of the present application.
Description of reference numerals: 1. a gear shaft; 11. a knurling section; 111. a knurled joint; 112. a knurled transition portion; 12. a transmission gear section; 13. a guide surface; 14. a first bearing segment; 15. a transition section; 16. a second bearing segment; 17. a guide section; 2. a gear.
Detailed Description
The present application is described in further detail below with reference to figures 2-4.
The embodiment of the application discloses straight line annular knurl connection structure.
Example 1
Referring to fig. 2, the straight knurled connection structure includes a gear shaft 1 and a gear 2.
Gear shaft 1 is including fixed connection's in proper order first bearing section 14, drive gear section 12, changeover portion 15, knurl section 11 and second bearing section 16, first bearing section 14 is used for installing in the bearing with second bearing section 16, drive gear section 12 has the teeth of a cogwheel, in order to carry out the transmission through the meshing, the diameter of changeover portion 15 is greater than the external diameter of knurl section 11, 2 covers of gear are established and are installed on knurl section 11, the one end of gear 2 and the terminal surface butt of changeover portion 15, the hole of gear 2 and the end footpath interference fit of knurl section 11.
Still be equipped with the spigot surface 13 between annular knurl transition portion 112 and the second bearing section 16, spigot surface 13 is the setting of conical surface, and spigot surface 13 is the setting of decrementing from annular knurl transition portion 112 to second bearing section 16, and the major diameter of spigot surface 13 equals the end footpath of annular knurl transition portion 112 to guide gear 2 cover is established and is installed on annular knurl section 11.
A guide section 17 is further arranged between the guide surface 13 and the second bearing section 16, the guide section 17 is arranged in a cylindrical shape, and the diameter of the guide section 17 is equal to the smallest diameter of the guide surface 13.
The implementation principle of the embodiment 1 is as follows: the hole of gear 2 and the end footpath interference fit of annular knurl section 11 make gear 2 be connected more firmly with annular knurl section 11, make gear 2 be difficult for taking place endwise slip with gear shaft 1, stability when having improved straight line annular knurl connection structure and using.
Example 2
Referring to fig. 3, the difference between this embodiment and embodiment 1 is that the guiding surface 13 is circumferentially disposed in an inwardly concave arc, and the diameter of the joint between the guiding surface 13 and the knurled transition portion 112 is the maximum diameter of the guiding surface 13.
Example 3
Referring to fig. 4, the difference between this embodiment and embodiment 1 is that the guiding surface 13 is circumferentially disposed in an outwardly convex and concave arc surface, and the diameter of the joint of the guiding surface 13 and the knurled transition portion 112 is the maximum diameter of the guiding surface 13.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a straight line annular knurl connection structure, includes gear shaft (1) and gear (2), gear shaft (1) has a knurl section (11), gear (2) are installed on knurl section (11) and are connected its characterized in that with gear shaft (1) annular knurl: and the inner hole of the gear (2) is in interference fit with the bottom diameter of the knurled section (11).
2. The straight knurl connecting structure as claimed in claim 1, wherein: the gear shaft (1) is provided with a transmission gear section (12), and one side, far away from the transmission gear section (12), of the knurled section (11) is provided with a guide surface (13).
3. A straight knurled connection according to claim 1 or 2, wherein: the gear (2) is a helical gear (2).
4. The straight knurl connecting structure as claimed in claim 2, wherein: the guide surface (13) is arranged in a conical surface.
5. The straight knurl connecting structure as claimed in claim 2, wherein: the guide surface (13) is arranged in a circumferential direction to form an inwards concave arc surface.
6. The straight knurl connecting structure as claimed in claim 2, wherein: the guide surface (13) is arranged in a circumferential convex arc surface mode.
7. The straight knurl connecting structure as claimed in claim 2, wherein: the major diameter of the guide surface (13) is equal to the bottom diameter of the knurled section (11).
8. The straight knurl connecting structure as claimed in claim 2, wherein: knurling section (11) are including knurling joint portion (111) and knurling transition portion (112), knurling joint portion (111) are located one side that knurling section (11) is close to drive gear section (12), knurling transition portion (112) are located one side that transmission gear section (12) were kept away from in knurling section (11), the end footpath of knurling joint portion (111) with the hole interference fit of gear (2), knurling transition portion (112) are less than the size of knurling joint portion (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120627431.6U CN214946215U (en) | 2021-03-27 | 2021-03-27 | Straight line annular knurl connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120627431.6U CN214946215U (en) | 2021-03-27 | 2021-03-27 | Straight line annular knurl connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214946215U true CN214946215U (en) | 2021-11-30 |
Family
ID=79039559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120627431.6U Active CN214946215U (en) | 2021-03-27 | 2021-03-27 | Straight line annular knurl connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214946215U (en) |
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2021
- 2021-03-27 CN CN202120627431.6U patent/CN214946215U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315300 No. 208, Xiaoxin Road, Xiaolin Town, Cixi City, Ningbo City, Zhejiang Province Patentee after: Feiteng precision transmission (Zhejiang) Co.,Ltd. Address before: 315300 No. 208, Xiaoxin Road, Xiaolin Town, Cixi City, Ningbo City, Zhejiang Province Patentee before: Cixi Feiteng Motor Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |