CN204610770U - Gear box of motorcycle - Google Patents
Gear box of motorcycle Download PDFInfo
- Publication number
- CN204610770U CN204610770U CN201520128261.1U CN201520128261U CN204610770U CN 204610770 U CN204610770 U CN 204610770U CN 201520128261 U CN201520128261 U CN 201520128261U CN 204610770 U CN204610770 U CN 204610770U
- Authority
- CN
- China
- Prior art keywords
- hole
- fore shell
- back cover
- gear
- box
- 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
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses a kind of gear box of motorcycle, relate to technical field of motorcycles.The utility model comprises fore shell and back cover, and fore shell is provided with prelocalization hole, positioning hole after the corresponding position of the back cover be equipped with fore shell is provided with, and described fore shell and back cover are by being through at the locating stud location in described prelocalization hole and rear positioning hole.The utility model can improve the efficiency of assembling of gear-box, gear-box is coordinated closely, reliably, improves the assembly quality of gear-box.
Description
Technical field
The utility model relates to motorcycle, especially a kind of gear box of motorcycle.
Background technique
The fore shell of gear box of motorcycle is provided with some through holes, and the back cover of gear-box is provided with some tapped holes corresponding with the through hole on fore shell, and fore shell and back cover are connected as a single entity by bolt, the transmission part in gear-box are played to the effect of protection.Due to current gearhousing not arranging positioning device, when assembling gear case, through hole and the tapped hole of front and rear casing not easily align, and bolt not easily passes, and cause efficiency of assembling low, front and rear casing contraposition is inaccurate, also affects assembly quality.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of gear box of motorcycle, can improve the efficiency of assembling of gear-box, gear-box is coordinated closely, reliably, improves the assembly quality of gear-box.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of gear box of motorcycle, comprise fore shell and back cover, fore shell is provided with prelocalization hole, positioning hole after the corresponding position of the back cover be equipped with fore shell is provided with, described fore shell and back cover are by being through at the locating stud location in described prelocalization hole and rear positioning hole.
Further, described prelocalization hole is two, corresponding, described rear positioning hole is two.
Further, two described prelocalization holes are divided into the two ends up and down of fore shell, corresponding, after described two, positioning hole is divided into the two ends up and down of back cover.
Further, described prelocalization hole is through hole, and described rear positioning hole is blind hole.
Further, described rear positioning hole is tapped blind hole.
The beneficial effect adopting technique scheme to produce is: the utility model by setting up positioning hole on the front and rear casing of gear-box, during assembling, first be through on positioning hole with locating stud, equipped front and rear casing is positioned, and then clamping bolt is installed, reduce the through hole of front and rear casing in assembly process and tapped hole not easily aligns, bolt is not easily through the problem that the assembling caused is wasted time and energy, improve efficiency of assembling, and improve the tight reliability of the cooperation of overall gear case, improve the assembly quality of product.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model fore shell;
Fig. 2 is the sectional drawing of C-C in Fig. 1;
Fig. 3 is the structural representation of the utility model back cover;
Fig. 4 is the sectional drawing of D-D in Fig. 3;
In figure: 1, fore shell; 2, prelocalization hole; 3, rear positioning hole; 4, back cover.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
It is fastening that front and rear casing due to gear box of motorcycle needs dozens of bolt to connect, and therefore when equipped, because front and rear casing not easily aligns, is easy to the problem occurring that bolt is not worn, the efficiency of assembling that impact is overall.
In order to address this problem, the utility model is provided with prelocalization hole 2 on fore shell 1, positioning hole 3 after the corresponding position of the back cover 4 equipped with fore shell 1 is provided with, and fore shell 1 and back cover 4 are by being through at the locating stud location of prelocalization hole 2 and rear positioning hole 3.
In order to increase the accuracy of location, described prelocalization hole 2 is two, corresponding, described rear positioning hole 3 is two, and two prelocalization holes 2 and two rear positioning holes 3 are all divided into the two ends up and down of gear-box.
Described prelocalization hole 2 is through hole, and described rear positioning hole 3 is blind hole, and is tapped hole, locating stud through prelocalization hole 2, and is spirally connected with rear positioning hole 3, therefore, even if assemble fore shell 1 and back cover 4 in any position, locating stud also can not drop, and is also beneficial to the assembling of gear-box.
During assembling, first be through on positioning hole with locating stud, equipped front and rear casing 4 is positioned, and then clamping bolt is installed, reduce the through hole of front and rear casing 4 in assembly process and tapped hole not easily aligns, bolt is not easily through the problem that the assembling caused is wasted time and energy, improve efficiency of assembling, and improve the tight reliability of the cooperation of overall gear case, improve the assembly quality of product.
Claims (5)
1. a gear box of motorcycle, comprise fore shell (1) and back cover (4), it is characterized in that, fore shell (1) is provided with prelocalization hole (2), be provided with rear positioning hole (3) at the corresponding position of the back cover (4) equipped with fore shell (1), described fore shell (1) and back cover (4) are by being through at the locating stud location of described prelocalization hole (2) and rear positioning hole (3).
2. gear box of motorcycle according to claim 1, is characterized in that, described prelocalization hole (2) is two, corresponding, described rear positioning hole (3) is two.
3. gear box of motorcycle according to claim 2, it is characterized in that, two described prelocalization holes (2) are divided into the two ends up and down of fore shell (1), corresponding, after described two, positioning hole (3) is divided into the two ends up and down of back cover (4).
4. gear box of motorcycle according to claim 1, is characterized in that, described prelocalization hole (2) is through hole, and described rear positioning hole (3) is blind hole.
5. gear box of motorcycle according to claim 1, is characterized in that, described rear positioning hole (3) is tapped blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520128261.1U CN204610770U (en) | 2015-03-05 | 2015-03-05 | Gear box of motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520128261.1U CN204610770U (en) | 2015-03-05 | 2015-03-05 | Gear box of motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204610770U true CN204610770U (en) | 2015-09-02 |
Family
ID=53963338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520128261.1U Expired - Fee Related CN204610770U (en) | 2015-03-05 | 2015-03-05 | Gear box of motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204610770U (en) |
-
2015
- 2015-03-05 CN CN201520128261.1U patent/CN204610770U/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: 20150902 Termination date: 20170305 |