CN205745201U - A kind of casing of miniature gearbox of bicycle - Google Patents
A kind of casing of miniature gearbox of bicycle Download PDFInfo
- Publication number
- CN205745201U CN205745201U CN201620546331.XU CN201620546331U CN205745201U CN 205745201 U CN205745201 U CN 205745201U CN 201620546331 U CN201620546331 U CN 201620546331U CN 205745201 U CN205745201 U CN 205745201U
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- Prior art keywords
- hole
- casing
- bicycle
- upper box
- shift fork
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- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Gear-Shifting Mechanisms (AREA)
- General Details Of Gearings (AREA)
Abstract
The casing of a kind of miniature gearbox of bicycle of the present utility model relates to the casing of chain-wheel axle speed changer.A kind of casing of miniature gearbox of bicycle, it is characterized in that: with bolt by casing connecting hole by upper box, lower box connects as one, upper box and lower box form countershaft hole after forming one, spindle hole, the top of upper box is provided with selector fork hole, slide block chute, spring groove, slide block cover plate seat, upper cover panel seat, central authorities at the front end upper surface of upper box are provided with bracing wire groove, it is provided with bearing block in the left and right sides of upper box and lower box, location hole of the spring it is provided with in spring groove, hole, spring pull wire pulley location, slide block cover plate seat is provided with cover plate connecting screw hole.The casing of a kind of miniature gearbox of bicycle of the present utility model have rational in infrastructure, volume is little, reliable, parts are easily installed, and have ensured the reliable use of miniature gearbox of bicycle, have had and popularize value.
Description
Technical field
This utility model relates to the casing of chain-wheel axle speed changer, is more particularly to a kind of Miniature bicycle speed change
The casing of case.
Background technology
Bicycle, also known as bicycle or bicycle.At present, the speed governing majority of bicycle uses on the chain drum on axis and rear axle
Fluted disc difference pairing carry out speed governing, transmission speed ratio scope is less.Some chain-wheel axle speed changers of my invention are relevant specially
Profit, e.g., entitled the bicycle of Minitype box-type transmission " axis be provided with ", Patent No. ZL201010518569.9, patent Shen
It please be on October 25th, 2010 day；Entitled " Miniature bicycle box type speed changer ", Patent No. ZL201010518578.8, specially
Profit filing date on October 25th, 2010；Entitled " gearshift of miniature gearbox of bicycle ", Patent No. ZL
201010518576.9, patent application day is on October 25th, 2010, and its gearshift shape is vertical shaft cam-type gearshift；Its
After, on April 15th, 2014, apply for again entitled " the slide block type gearshift of miniature gearbox of bicycle ", patent application
Number it is 2014101500245；Although its latter improves the effect of bicycle shift, but, the case of miniature gearbox of bicycle
The structure of body is not reasonable, has a strong impact on reliability and the installation of change speed gear box parts of miniature gearbox of bicycle, to this end, also
Need to be explored the casing of new miniature gearbox of bicycle.
Summary of the invention
The purpose of this utility model: and the casing of a kind of miniature gearbox of bicycle is provided.
The technical solution of the utility model is: the casing of a kind of miniature gearbox of bicycle, it is characterised in that: lead to bolt
Crossing casing connecting hole upper box, lower box to be connected as one, upper box and lower box form countershaft hole, main shaft after forming one
Hole, is provided with selector fork hole, slide block chute, spring groove, slide block cover plate seat, upper cover panel seat, at top box on the top of upper box
The central authorities of the front end upper surface of body are provided with bracing wire groove, are provided with bearing block in the left and right sides of upper box and lower box, at spring groove
Inside it is provided with location hole of the spring, hole, spring pull wire pulley location, slide block cover plate seat is provided with cover plate connecting screw hole.
The casing of described miniature gearbox of bicycle, its described selector fork hole is four, is a gear shift fork respectively
Hole, two gear shift fork holes, three gear shift fork holes, four gear shift fork holes, three gear shift fork holes and four gear shift fork holes are positioned on the axis of spindle hole
Side, one gear shift fork hole and two gear shift fork holes is positioned at above the axis in countershaft hole, inside upper box before and after two ends be provided with shift fork
Carrier base, is provided with screw hole at yoke bracket seat.
The casing of miniature gearbox of bicycle described above, its Kong Weisi described, spring pull wire pulley location, point
It is not positioned at the turning of spring bracing wire.
The beneficial effects of the utility model: the casing of miniature gearbox of bicycle of the present utility model have rational in infrastructure,
Volume is little, reliable, and parts are easily installed, and has ensured the reliable use of miniature gearbox of bicycle, has had and popularize value.
Accompanying drawing explanation
Fig. 1 is structural representation front view of the present utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the upward view of Fig. 1；
Fig. 4 is the A-A sectional view in Fig. 2；
Fig. 5 is the rearview of Fig. 1.
Figure is labeled as: upper box 1, countershaft hole 2, spindle hole 3, lower box 4, upper cover panel seat 5, slide block cover plate seat 6, casing
Connecting hole 7, slide block chute 8, cover plate connecting screw hole 9, bracing wire groove 10, location hole of the spring 11, spring pull wire pulley location hole 12,
Selector fork hole 13, bearing block 14, spring groove 15, yoke bracket seat 16.
Detailed description of the invention
Below by embodiment, this utility model is further described.
Embodiment
With reference to Fig. 1-Fig. 5, the casing of a kind of miniature gearbox of bicycle, with bolt by casing connecting hole 7 by upper box
1, lower box 4 connects as one, and upper box 1 and lower box 4 form countershaft hole 2, spindle hole 3, at upper box 1 after forming one
Top is provided with selector fork hole 13, slide block chute 8, spring groove 15, slide block cover plate seat 6, upper cover panel seat 5, before upper box 1
The central authorities of end upper surface are provided with bracing wire groove 10, are provided with bearing block 14 in the left and right sides of upper box 1 and lower box 4, at spring groove
It is provided with location hole of the spring 11, hole 12, spring pull wire pulley location in 15, slide block cover plate seat 6 is provided with cover plate connecting screw hole 9.
Its described selector fork hole 13 is four, is a gear shift fork hole, two gear shift fork holes, three gear shift fork holes, four gear shift fork holes respectively,
Three gear shift fork holes and four gear shift fork holes are positioned at above the axis of spindle hole 3, and a gear shift fork hole and two gear shift fork holes are positioned at countershaft hole 2
Axis above, inside upper box 1 before and after two ends be provided with yoke bracket seat 16, be provided with screw hole at yoke bracket seat 16.
Described hole 12, spring pull wire pulley location is four, lays respectively at the turning of spring bracing wire.Left end in countershaft hole 2 is permissible
Bearing capping is set.The front end of the casing of described miniature gearbox of bicycle, rear end, left side, right side are micro-according to bicycle
The casing of type change speed gear box is arranged on location, the direction after bicycle middle shaft seat, in fig. 2, left be front end, right be rear end,
Lower section is left side, is arranged above right side.
Claims (3)
1. the casing of a miniature gearbox of bicycle, it is characterised in that: with bolt by casing connecting hole (7) by upper box
(1), lower box (4) connect as one, upper box (1) and lower box (4) form countershaft hole (2), spindle hole after forming one
(3), the top of upper box (1) is provided with selector fork hole (13), slide block chute (8), spring groove (15), slide block cover plate seat
(6), upper cover panel seat (5), the central authorities at the front end upper surface of upper box (1) are provided with bracing wire groove (10), at upper box (1) and nowel
The left and right sides of body (4) is provided with bearing block (14), is provided with location hole of the spring (11), spring pull wire pulley calmly in spring groove (15)
Hole, position (12), is provided with cover plate connecting screw hole (9) on slide block cover plate seat (6).
The casing of miniature gearbox of bicycle the most according to claim 1, it is characterised in that: described selector fork hole
(13) it is four, is a gear shift fork hole, two gear shift fork holes, three gear shift fork holes, four gear shift fork holes respectively, three gear shift fork holes and four gears
Shift fork hole is positioned at above the axis of spindle hole (3), and a gear shift fork hole and two gear shift fork holes are positioned at above the axis of countershaft hole (2),
Before and after upper box (1) inner side, two ends are provided with yoke bracket seat (16), are provided with screw hole at yoke bracket seat (16).
The casing of miniature gearbox of bicycle the most according to claim 1 and 2, it is characterised in that: described spring bracing wire
Pulley hole, location (12) is four, lays respectively at the turning of spring bracing wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620546331.XU CN205745201U (en) | 2016-06-07 | 2016-06-07 | A kind of casing of miniature gearbox of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620546331.XU CN205745201U (en) | 2016-06-07 | 2016-06-07 | A kind of casing of miniature gearbox of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205745201U true CN205745201U (en) | 2016-11-30 |
Family
ID=57359655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620546331.XU Active CN205745201U (en) | 2016-06-07 | 2016-06-07 | A kind of casing of miniature gearbox of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205745201U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864401A (en) * | 2016-06-07 | 2016-08-17 | 石宗泽 | Box body of miniature speed changing box of bicycle |
-
2016
- 2016-06-07 CN CN201620546331.XU patent/CN205745201U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864401A (en) * | 2016-06-07 | 2016-08-17 | 石宗泽 | Box body of miniature speed changing box of bicycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170628 Address after: 401520 Chongqing Hechuan mansion No. 3 unit 1 5-2 Patentee after: Shi Xingyun Address before: Chongqing Hechuan road 401520 No. 666 China field 3 8-3 Patentee before: Shi Zongze |