CN2065596U - Plastic chain case - Google Patents
Plastic chain case Download PDFInfo
- Publication number
- CN2065596U CN2065596U CN 89211443 CN89211443U CN2065596U CN 2065596 U CN2065596 U CN 2065596U CN 89211443 CN89211443 CN 89211443 CN 89211443 U CN89211443 U CN 89211443U CN 2065596 U CN2065596 U CN 2065596U
- Authority
- CN
- China
- Prior art keywords
- chain
- filler rod
- chain cover
- cover
- rear end
- 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.)
- Withdrawn
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- Motorcycle And Bicycle Frame (AREA)
Abstract
The utility model provides an improved bicycle plastic chain cover, which is composed of an upper cover shell, a lower cover shell, an upper insertion strip and a lower insertion strip. The chain cavities of the upper and lower cover shells are sealed and the improved bicycle plastic chain cover has the upper and the lower insertion strips which are sealed in the chain cavities of the upper and the lower cover shells; the back side of the chain cover is provided with a back outer cleat which allows a gear gap at the back side of the closed chain cover and U-shaped gaps are arranged at the outer side of the back end of the upper and the lower insertion strips; the back outer cleat is also provided with a concave surface to make a vehicle frame fork flatly and after assembly, the sealed plastic chain cover can effectively prevent the dust, the junk and the rain water from entering the chain cavity and the appearance is beautiful.
Description
The utility model relates to a kind of bicycle plastic whole chain cover.
CN87209331U discloses my a kind of bicycle plastic chain guard of design-calculated, its plastics whole chain cover is made up of upper encloser, lower encioser, last filler rod, following filler rod, owing to be set in the upper and lower filler rod of upper and lower case inside circumference, fail the inside circumference back-end closure, to upper and lower case chain cavity rear end is opened wide, the rear side of upper and lower case and vehicle frame chain stay joint also leave the space.Like this, dust, rubbish and rainwater very easily from chain guard inside circumference rear end and the rear side space enter the chain chamber, brought wearing and tearing and corrosion for chain, sprocket wheel, so influenced the in-use performance of plastics whole chain covers, and outward appearance is very not attractive in appearance yet.
The purpose of this utility model is to provide a kind of plastics whole chain cover that has improved, and makes the chain chamber of upper and lower case obtain sealing, improving the in-use performance of plastics whole chain cover, and appearance looks elegant.
The utility model is achieved in that by upper encloser, lower encioser, go up the line length of plastics whole chain cover that filler rod and following filler rod form filler rod, time filler rod on it, equals the chain chamber inside circumference length of close with it upper encloser of joining, lower encioser respectively.The outside, rear end of upper and lower filler rod respectively has a corresponding arc notch.Be provided with a sealing chain guard rear side between the back axle mounting hole of plastics whole chain cover and the rear end of upper and lower filler rod and yield berth to the back external splint of breach, the connector that makes it not only become seal cover cap but also become the upper and lower case of clamping.
Owing to upper and lower case chain chamber inside circumference is all sealed with upper and lower filler rod, again the chain guard rear side is sealed, the plastics whole chain cover rear portion that the utility model is provided has obtained sealing, therefore dust, rubbish, rainwater the erosion of in use resisting effectively to chain, sprocket wheel in the chain chamber, prolong the service life of transmission mechanism of bicycle, and beautified the whole chain cover outward appearance.
Below in conjunction with the accompanying drawings concrete structure of the present utility model is further described with embodiment:
Fig. 1 is the front view of plastics whole chain cover provided by the utility model.
Fig. 2 is the upward view of Fig. 1 structure.
Fig. 3 is the upward view at plastics whole chain cover upper encloser rear portion.
Fig. 4 is the front view of Fig. 3 structure.
Fig. 5 is the birds-eye view of Fig. 4 structure.
Fig. 6 is the upward view at plastics whole chain cover lower encioser rear portion.
Fig. 7 is the front view of Fig. 6 structure.
Fig. 8 is the birds-eye view of Fig. 7 structure.
Fig. 9 is the front view of filler rod on the plastics whole chain cover.
Figure 10 is the A-A cutaway view of Fig. 9 structure.
Figure 11 is the front view of filler rod under the plastics whole chain cover.
Figure 12 is the B-B cutaway view of Figure 11 structure.
Figure 13 is the front view of external splint behind the plastics whole chain cover.
Figure 14 is the upward view of Figure 13 structure.
Figure 15 is Figure 14 structure C-C cutaway view.
Figure 16 is the front view of inner splint behind the plastics whole chain cover.
Figure 17 is the cutaway view of Figure 16 structure.
The upper encloser 1 of the plastics whole chain cover shown in Fig. 1 and the inside circumference of lower encioser 3 (as Fig. 5, shown in Figure 6) 1 ', 3 ' the rear end all to the bending of chain guard front end, get upper and lower case inside circumference 1 ', 3 ' inside circumference length as the line length of upper and lower filler rod 2,4, and go up filler rod 2, down the rear end 2 of filler rod 4 ', 4 ' (seeing Fig. 9, Figure 11) also to the bending of chain guard front end.Have the groove that inserts the case inside circumference on the upper and lower filler rod.After upper and lower case closed up, the two ends of filler rod 4 were connected (see figure 1) mutually under dress last filler rod 2 thereon reached.In order to be installed in the needs on the bicycle, the outside, rear end of upper and lower filler rod respectively has an arc notch (seeing Figure 10, Figure 12), after two filler rods are connected, the synthetic U-shaped breach of two arc notch passes through for the vehicle frame chain stay, in like manner, corresponding with the opening of U-shaped breach, the rear side of upper and lower case has also that the frame chain stay of buying car in installments passes through yields berth to the bar v notch v.Upper encloser 1 rear side is provided with U-shaped the adjustment hole (see figure 5) is installed.Lower encioser 3 rear sides are provided with mounting hole 8(and see Fig. 6).The bar shaped indentation, there of yielding berth to of upper and lower case rear side is established a back external splint 5(that can seal this breach and is seen Fig. 1), concave panel (seeing Figure 15) is made by the profile of the vehicle frame chain stay that cooperates with it in its inboard, its both sides respectively are provided with a mounting hole, coincide with two mounting holes 7,8 of chain guard rear side.Have the two back inner splint 6(that connect screw and concave panel and see Figure 16, Figure 17) and back external splint 5, with screw upper and lower case rear portion is fixed on (as shown in Figure 2) on the vehicle frame chain stay by mounting hole.
Claims (4)
1, a kind of bicycle plastic whole chain cover is made up of upper encloser (1), lower encioser (3), last filler rod (2), following filler rod (4), it is characterized in that:
The line length of a, last filler rod (2), following filler rod (4) equals the chain chamber inside circumference (1 ') of close with it upper encloser of joining (1), lower encioser (3), the length of (3 ') respectively, and the outside, rear end of upper and lower filler rod respectively has a corresponding arc notch,
Be provided with a upper and lower case rear side of sealing between the back axle mounting hole of b, plastics whole chain cover and the rear end of upper and lower filler rod and yield berth to the back external splint (5) of bar v notch v.
2, bicycle plastic whole chain cover according to claim 1, it is characterized in that upper and lower case chain chamber inside circumference (1 ', 3 ') the rear end and with it the upper and lower filler rod of leak free rear end (2 ', 4 ') all to the bending of chain guard front end.
3, bicycle plastic whole chain cover according to claim 1 is characterized in that there is a concave panel that cooperates with the vehicle frame chain stay inboard of back external splint (5), and its both sides are provided with mounting hole.
4, bicycle plastic whole chain cover according to claim 1 is characterized in that the upper encloser rear side has a U-shaped that adjustment hole (7) is installed, and the lower encioser rear side has a mounting hole (8), and two hole sites overlap with back external splint mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89211443 CN2065596U (en) | 1989-02-14 | 1989-02-14 | Plastic chain case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89211443 CN2065596U (en) | 1989-02-14 | 1989-02-14 | Plastic chain case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2065596U true CN2065596U (en) | 1990-11-14 |
Family
ID=4867714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89211443 Withdrawn CN2065596U (en) | 1989-02-14 | 1989-02-14 | Plastic chain case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2065596U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101734319B (en) * | 2008-11-12 | 2012-04-18 | 雅马哈发动机株式会社 | Motorcycle |
| CN102464046A (en) * | 2010-11-12 | 2012-05-23 | 耀马车业(中国)有限公司 | Novel chain cover bracket |
| CN108082348A (en) * | 2018-01-25 | 2018-05-29 | 朱志明 | Chain stay after a kind of monoblock type with driving device |
| CN113882301A (en) * | 2021-11-17 | 2022-01-04 | 广东美房智高机器人有限公司 | Cleaning equipment |
-
1989
- 1989-02-14 CN CN 89211443 patent/CN2065596U/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101734319B (en) * | 2008-11-12 | 2012-04-18 | 雅马哈发动机株式会社 | Motorcycle |
| CN102464046A (en) * | 2010-11-12 | 2012-05-23 | 耀马车业(中国)有限公司 | Novel chain cover bracket |
| CN108082348A (en) * | 2018-01-25 | 2018-05-29 | 朱志明 | Chain stay after a kind of monoblock type with driving device |
| CN113882301A (en) * | 2021-11-17 | 2022-01-04 | 广东美房智高机器人有限公司 | Cleaning equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |