CN202783576U - Foldable bicycle center shaft - Google Patents
Foldable bicycle center shaft Download PDFInfo
- Publication number
- CN202783576U CN202783576U CN 201220352632 CN201220352632U CN202783576U CN 202783576 U CN202783576 U CN 202783576U CN 201220352632 CN201220352632 CN 201220352632 CN 201220352632 U CN201220352632 U CN 201220352632U CN 202783576 U CN202783576 U CN 202783576U
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- CN
- China
- Prior art keywords
- locking
- hole
- push rod
- cover body
- upper cover
- 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 - Lifetime
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Abstract
The utility model relates to the technical field of foldable bicycles, in particular to a foldable bicycle center shaft which is used for a foldable bicycle. The foldable bicycle center shaft comprises an upper cover connected with a front triangle and a lower cover connected with a rear triangle, the upper cover is rotatably arranged on the lower cover, the lower end face of the upper cover is provided with a first limiting hole and a second limiting hole, and the upper end face of the lower cover is provided with a locking hole. A locking ejector rod is arranged in the locking hole, the upper end of the locking ejector rod is matched with the first limiting hole and the second limiting hole, an elastic part is arranged in the locking hole and capable of ejecting the upper end of the locking ejector rod out, and a pull cord which is used for pulling the locking ejector rod to compress the elastic part is arranged on the locking ejector rod. The foldable bicycle center shaft is simple in structure, quickly foldable, small in occupied space after being folded, simple in folding process and easy to operate and brings convenience to users.
Description
Technical field
The utility model relates to a kind of folding bicycle technical field, is specifically related to the folding axis of bicycle that a kind of folding bicycle uses.
Background technology
Folding bicycle is convenient for carrying, deposits because its taking up room after folding is little, more and more welcomed by the people, but existing folding bicycle, and its folding process is loaded down with trivial details, is awkward, and makes troubles to the user.
The utility model content
For above-mentioned technical matters, the utility model provides a kind of bicycle to fold axis, and it can fast folding, folding after the temporary space little, folding process is simple, easy operating brings convenience to the user.
The realization the technical solution of the utility model is as follows:
Bicycle folds axis, comprise the upper cover body that is connected with front triangle, the lower cover that is connected with Vee formation, described upper cover body rotatably is arranged on the lower cover, in the lower surface of upper cover body the first spacing hole, the second spacing hole, the lower cover upper surface is provided with locking hole, in locking hole, be provided with the locking push rod, the upper end of described locking push rod cooperates with above-mentioned the first spacing hole, the second spacing hole, be provided with elastic component in locking hole, this elastic component can eject the upper end of locking push rod, is provided with the stay cord of pulling locking push rod compression elastic piece at the locking push rod.
Described elastic component is spring, and spring housing is located at the bottom of locking push rod.
Described upper cover body, lower cover middle part all offer through hole, and the turning cylinder that passes upper cover body middle through-hole, lower cover middle through-hole, and the lower end of turning cylinder is fixedly installed limiting stopper, and the upper end is provided with jam nut.Upper cover body can be rotated around turning cylinder like this, realizes folder function.Wherein, limiting stopper carries out spacing to lower cover, and the jam nut of upper end locks upper cover body.
In the described upper cover body middle through-hole pair of bearings is set, this pair of bearings is set on the turning cylinder, is provided with axle sleeve between pair of bearings; Make folding faster, more smooth and easy, more stable.
All be fixedly installed top stem casing in described the first spacing hole, the second spacing hole; Make folding faster, more smooth and easy, more stable.
Described locking hole is provided with the locking lever cover, and described locking push rod, elastic component are arranged in the locking lever cover.Make folding faster, more smooth and easy, more stable.
The upper surface of described lower cover is provided with the circular arc position-limited trough, is fixedly installed the limiting stopper that moves in the circular arc position-limited trough in the lower surface of upper cover body; Effectively prevent upper cover body rotated the position, guarantee in the scope of its rotation.
The upper surface of described lower cover, the lower surface of upper cover body are identical inclined-plane, angle of inclination; Can directly improve function and the stability of car, make bicycle folding faster, more smooth and easy, more stable.
Adopted such scheme, when bicycle is not folding, the locking push rod is arranged in the first spacing hole, this moment, upper cover body can not be rotated, and when needs were folding, the pulling stay cord drove the downward Compress Spring of locking push rod, and the upper end of locking push rod breaks away from the first spacing hole, this moment can the rotary upper cover body, after folding putting in place, the second spacing hole is positioned at the top of locking push rod, loosens stay cord this moment, the locking push rod is under the elastic force of spring, its upper end heads in the second spacing hole, such upper cover body locked can't the rotation again, thereby the locking after realizing folding, the utility model is simple in structure, can fast folding, folding after the temporary space little, folding process is simple, easy operating brings convenience to the user.
Description of drawings
Fig. 1 is perspective view of the present utility model;
Fig. 2 is the plan structure scheme drawing after splitting;
Fig. 3 is the structural representation of looking up after splitting;
Among the figure, 1 is upper cover body, and 2 is lower cover, 3 is through hole, and 4 is turning cylinder, and 5 is limiting stopper, 6 is jam nut, and 7 is bearing, and 8 is axle sleeve, 9 is the first spacing hole, and 10 is the second spacing hole, and 11 is locking hole, 12 are the locking push rod, and 13 is top stem casing, and 14 is the locking lever cover, 15 is the circular arc position-limited trough, and 16 is position-limited trough.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further specified.
Referring to Fig. 1,2,3, bicycle folds axis, comprise the upper cover body 1 that is connected with front triangle, the lower cover 2 that is connected with Vee formation, upper cover body rotatably is arranged on the lower cover, and upper cover body, lower cover middle part all offer through hole 3, and the turning cylinder 4 that passes upper cover body middle through-hole, lower cover middle through-hole, the lower end of turning cylinder is fixedly installed limiting stopper 5, and the upper end is provided with jam nut 6.Pair of bearings 7 is set in the upper cover body middle through-hole, and this pair of bearings is set on the turning cylinder, is provided with axle sleeve 8 between pair of bearings.Axle sleeve 8 is enclosed within on the turning cylinder 4, makes folding faster, more smooth and easy, more stable.
In the lower surface of upper cover body the first spacing hole 9, the second spacing hole 10, the lower cover upper surface is provided with locking hole 11, in locking hole, be provided with locking push rod 12, the upper end of locking push rod 12 cooperates with above-mentioned the first spacing hole, the second spacing hole, be provided with elastic component in locking hole, this elastic component can eject the upper end of locking push rod, is provided with the stay cord (not shown) of pulling locking push rod compression elastic piece at the locking push rod.During implementation, elastic component is elected spring as, and spring housing is located at the bottom of locking push rod.Locking hole is provided with locking lever cover 14, and locking push rod, elastic component are arranged in the locking lever cover, and locking lever cover 14 pairs of locking push rods, elastic components play a protective role, and is also fast folding, smooth and easy, stable simultaneously.
Wherein, all be fixedly installed top stem casing 13 in the first spacing hole, the second spacing hole, the upper end of locking push rod 12 withstands in the top stem casing; The upper surface of lower cover is provided with circular arc position-limited trough 15, is fixedly installed the limiting stopper that moves in the lower surface of upper cover body in the circular arc position-limited trough, and this limiting stopper is fixedly installed in the position-limited trough 16 of lower surface of upper cover body.The upper surface of lower cover, the lower surface of upper cover body are identical inclined-plane, angle of inclination.
Working process of the present utility model: when bicycle is not folding, locking push rod upper end is arranged in the first spacing hole, this moment, upper cover body can not be rotated, and when needs are folding, the pulling stay cord drives the downward Compress Spring of locking push rod, the upper end of locking push rod breaks away from the first spacing hole, this moment can the rotary upper cover body, after folding putting in place, the second spacing hole is positioned at the top of locking push rod, loosens stay cord this moment, the locking push rod is under the elastic force of spring, its upper end heads in the second spacing hole, such upper cover body locked can't the rotation again, thereby the locking after realizing folding.
Claims (8)
1. bicycle folds axis, it is characterized in that: it comprises the upper cover body that is connected with front triangle, the lower cover that is connected with Vee formation, described upper cover body rotatably is arranged on the lower cover, in the lower surface of upper cover body the first spacing hole, the second spacing hole, the lower cover upper surface is provided with locking hole, in locking hole, be provided with the locking push rod, the upper end of described locking push rod and above-mentioned the first spacing hole, the second spacing hole cooperates, be provided with elastic component in locking hole, this elastic component can eject the upper end of locking push rod, is provided with the stay cord of pulling locking push rod compression elastic piece at the locking push rod.
2. described bicycle folds axis according to claim 1, and it is characterized in that: described elastic component is spring, and spring housing is located at the bottom of locking push rod.
3. described bicycle folds axis according to claim 1, it is characterized in that: described upper cover body, lower cover middle part all offer through hole, and the turning cylinder that passes upper cover body middle through-hole, lower cover middle through-hole, the lower end of turning cylinder is fixedly installed limiting stopper, and the upper end is provided with jam nut.
4. described bicycle folds axis according to claim 3, and it is characterized in that: in the described upper cover body middle through-hole pair of bearings is set, this pair of bearings is set on the turning cylinder, is provided with axle sleeve between pair of bearings.
5. described bicycle folds axis according to claim 1, it is characterized in that: all be fixedly installed top stem casing in described the first spacing hole, the second spacing hole.
6. described bicycle folds axis according to claim 1, and it is characterized in that: described locking hole is provided with the locking lever cover, and described locking push rod, elastic component are arranged in the locking lever cover.
7. described bicycle folds axis according to claim 1, and it is characterized in that: the upper surface of described lower cover is provided with the circular arc position-limited trough, is fixedly installed the limiting stopper that moves in the circular arc position-limited trough in the lower surface of upper cover body.
8. described bicycle folds axis according to claim 1, and it is characterized in that: the upper surface of described lower cover, the lower surface of upper cover body are identical inclined-plane, angle of inclination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220352632 CN202783576U (en) | 2012-07-19 | 2012-07-19 | Foldable bicycle center shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220352632 CN202783576U (en) | 2012-07-19 | 2012-07-19 | Foldable bicycle center shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202783576U true CN202783576U (en) | 2013-03-13 |
Family
ID=47810891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220352632 Expired - Lifetime CN202783576U (en) | 2012-07-19 | 2012-07-19 | Foldable bicycle center shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202783576U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149903A (en) * | 2014-07-31 | 2014-11-19 | 广州市锦宏机电科技发展有限公司 | Stem folding and lock mechanism of Fold able vehicle |
-
2012
- 2012-07-19 CN CN 201220352632 patent/CN202783576U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149903A (en) * | 2014-07-31 | 2014-11-19 | 广州市锦宏机电科技发展有限公司 | Stem folding and lock mechanism of Fold able vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213022, 89 innovation Avenue, Xinbei District, Jiangsu, Changzhou Patentee after: Yung chi (Changzhou) auto industry Limited by Share Ltd. Address before: 213000 Jiangsu city of Changzhou province Tongjiang New District Longhutang Town Road No. 689 Patentee before: YONGQI (CHANGZHOU) BICYCLE INDUSTRY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213031, No. 689 middle Tongjiang Road, Xinbei District, Jiangsu, Changzhou, Xinbei District, Changzhou, 89 innovation Avenue No. 6, Tianhe Road, Xinbei District, Changzhou Patentee after: YONG QI (CHINA) BICYCLE INDUSTRIAL Corp. Address before: 213022, 89 innovation Avenue, Xinbei District, Jiangsu, Changzhou Patentee before: Yung chi (Changzhou) auto industry Limited by Share Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |