CN203558169U - Rotatable safety folding frame - Google Patents
Rotatable safety folding frame Download PDFInfo
- Publication number
- CN203558169U CN203558169U CN201320725198.0U CN201320725198U CN203558169U CN 203558169 U CN203558169 U CN 203558169U CN 201320725198 U CN201320725198 U CN 201320725198U CN 203558169 U CN203558169 U CN 203558169U
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- China
- Prior art keywords
- vehicle frame
- pipe
- rotating shaft
- frame
- locking device
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- 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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- 230000000694 effects Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Motorcycle And Bicycle Frame (AREA)
Abstract
The utility model relates to a rotatable safety folding frame, and aims to provide the rotatable safety folding frame which can effectively reduce the occupied space of a bicycle body and is convenient to place and carry. The rotatable safety folding frame comprises a rear frame, a front frame and a seat tube. A first rotating shaft is arranged on the front side of the rear frame, a second rotating shaft is arranged on the lower side of the front frame, the first rotating shaft and the second rotating shaft are coaxial and can relatively rotate, a first middle tube is arranged in the middle of the rear frame, a second middle tube is arranged on the rear side of the front frame, the seat tube can be inserted into the first middle tube and the second middle tube, and the outer side of the first middle tube and the outer side of the second middle tube are respectively provided with a seat tube locking device. When the two seat tube locking devices are locked, the front frame and the rear frame are connected to the whole frame, when the seat tube locking devices are loosened, the seat tube can be pulled out of the two middle tubes, at the moment, the frame is rotated and folded through the front frame and the rear frame under rotation of the first rotating shaft and rotation of the second rotating shaft, and therefore the purposes that the occupied space of the bicycle body is reduced, and the frame is convenient to place and carry are achieved.
Description
Technical field
The utility model relates to a kind of bicycle, relates in particular to a kind of rotatable safety foldable vehicle frame.
Background technology
Bicycle has become the indispensable vehicle in people's daily life, generally, bicycle comprises vehicle frame, wheel, foot-operated, handlebar and vehicle seat, wherein vehicle frame is the skeleton of whole bicycle, be the basic structure that forms bicycle, other parts are all directly or to be indirectly arranged on vehicle frame.So the structure of vehicle frame and performance, be the key factor that determines bicycle quality.Existing bicycle, although can realize foldingly, is doubling mostly, between crossbeam and rear supporting tube, rotating shaft is set.Same, present vehicle frame is general, and what adopt is common carbon steel copper pipe, then through welding, combine, but the vehicle frame quality weight that this material is made, volume is large, is not easy to transportation, storage.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of car body that can effectively reduce and takies volume, the rotatable safety foldable vehicle frame of conveniently placing and carrying.
Rotatable safety foldable vehicle frame of the present utility model, comprise rear vehicle frame, front vehicle frame and seat pipe, the front side of described rear vehicle frame is provided with the first rotating shaft, the downside of described front vehicle frame is provided with the second rotating shaft, the first rotating shaft and the second rotating shaft are coaxial and can relatively rotate, the middle part of described rear vehicle frame is provided with pipe in first, the rear side of front vehicle frame is provided with pipe in second, described seat pipe can insert in described first in pipe and second in pipe, in described first, in pipe and second, the outside of pipe is respectively equipped with a pipe locking device, when locking bed pipe locking device, front vehicle frame and rear vehicle frame are connected to a whole vehicle frame, when unclamping pipe locking device, in two of Guan Kecong of seat, in pipe, extract, now front vehicle frame and rear vehicle frame under the rotation of the first rotating shaft and the second rotating shaft by vehicle frame rotary folding.Described seat pipe locking device is provided with arc boss, and after vehicle frame folding, under the effect of arc boss, the upper intermediate tube of front vehicle frame is concentric with the lower intermediate tube of rear vehicle frame, is convenient to a pipe and puts in lower intermediate tube.
Further, described seat pipe locking device is comprised of annular body, folding handle and lock bolt, and arc boss is positioned on the medial surface of annular body.
Further, the inside of described the first rotating shaft and the second rotating shaft is provided with bearing pin.
By such scheme, rotatable safety foldable vehicle frame of the present utility model at least has the following advantages: the utility model is when two seat pipe locking devices of locking, front/rear frame is connected as a whole vehicle frame, when unclamping pipe locking device, seat pipe can be pulled out middle pipe, time front vehicle frame and rear vehicle frame under the rotation of the first rotating shaft and the second rotating shaft by vehicle frame rotary folding, so reach, reduce car body and take volume, the object of conveniently placing and carrying.
On seat pipe locking device, have individual arc boss, its effect is that after guaranteeing vehicle frame folding,, when vehicle frame returns to forward and backward vehicle frame locking state, the upper intermediate tube of front vehicle frame is concentric with the lower intermediate tube of rear vehicle frame, and like this, seat pipe is just easy to put in lower intermediate tube.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rotatable safety foldable vehicle frame of the utility model;
Fig. 2 is vehicle frame rotary folding view;
Fig. 3 is the structural representation of a pipe locking device.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
Referring to Fig. 1, shown in Fig. 2 and Fig. 3, a kind of rotatable safety foldable vehicle frame, comprise rear vehicle frame 1, front vehicle frame 4 and seat pipe 2, the front side of rear vehicle frame 1 is provided with the first rotating shaft 11, the downside of front vehicle frame 4 is provided with the second rotating shaft 41, the first rotating shaft 11 and the second rotating shaft 41 are coaxial and can relatively rotate, the inside of the first rotating shaft 11 and the second rotating shaft 41 is provided with bearing pin 5, the middle part of rear vehicle frame 1 is provided with in first and manages 12, the rear side of front vehicle frame 4 is provided with in second and manages 42, seat pipe 2 can insert in described first manages in 12 and second and manages in 42, in first, manage and in 12 and second, manage 42 outside and be respectively equipped with a pipe locking device 3, when locking bed pipe locking device 3, front vehicle frame 4 and rear vehicle frame 1 are connected as a whole vehicle frame, when unclamping a pipe locking device 3, seat pipe 2 is extracted in pipe from two, simultaneously, front vehicle frame 4 and rear vehicle frame 1 rotate around the first rotating shaft 11 and the second rotating shaft 41 respectively, by vehicle frame rotary folding, so just reach and reduce car body and take volume, conveniently place and carry to obtain object.
Seat pipe locking device 3 is provided with arc boss 31, and after vehicle frame folding, under the effect of arc boss 31, the upper intermediate tube of front vehicle frame is concentric with the lower intermediate tube of rear vehicle frame, is convenient to a pipe and puts in lower intermediate tube.Seat pipe locking device 3 is comprised of annular body 32, folding handle 33 and lock bolt 34, and arc boss 31 is positioned on the medial surface of annular body 32.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (3)
1. a rotatable safety foldable vehicle frame, comprise rear vehicle frame, front vehicle frame and seat pipe, the front side of described rear vehicle frame is provided with the first rotating shaft, the downside of described front vehicle frame is provided with the second rotating shaft, the first rotating shaft and the second rotating shaft are coaxial and can relatively rotate, the middle part of described rear vehicle frame is provided with pipe in first, the rear side of front vehicle frame is provided with pipe in second, described seat pipe can insert in described first in pipe and second in pipe, in described first, in pipe and second, the outside of pipe is respectively equipped with a pipe locking device, it is characterized in that: when locking bed pipe locking device, front vehicle frame and rear vehicle frame are connected to a whole vehicle frame, when unclamping pipe locking device, in two of Guan Kecong of seat, in pipe, extract, now front vehicle frame and rear vehicle frame under the rotation of the first rotating shaft and the second rotating shaft by vehicle frame rotary folding, described seat pipe locking device is provided with arc boss, after vehicle frame folding, under the effect of arc boss, the upper intermediate tube of front vehicle frame is concentric with the lower intermediate tube of rear vehicle frame, being convenient to a pipe puts in lower intermediate tube.
2. rotatable safety foldable vehicle frame according to claim 1, is characterized in that: described seat pipe locking device is comprised of annular body, folding handle and lock bolt, and arc boss is positioned on the medial surface of annular body.
3. rotatable safety foldable vehicle frame according to claim 1, is characterized in that: the inside of described the first rotating shaft and the second rotating shaft is provided with bearing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320725198.0U CN203558169U (en) | 2013-11-18 | 2013-11-18 | Rotatable safety folding frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320725198.0U CN203558169U (en) | 2013-11-18 | 2013-11-18 | Rotatable safety folding frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203558169U true CN203558169U (en) | 2014-04-23 |
Family
ID=50507905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320725198.0U Expired - Lifetime CN203558169U (en) | 2013-11-18 | 2013-11-18 | Rotatable safety folding frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203558169U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106585818A (en) * | 2016-11-28 | 2017-04-26 | 苏州速蝶科技有限公司 | Folding electric bicycle frame and folding electric bicycle |
| CN106585816A (en) * | 2016-11-28 | 2017-04-26 | 苏州速蝶科技有限公司 | Folding electric scooter or bicycle |
| CN113371116A (en) * | 2021-07-09 | 2021-09-10 | 东莞市一号科技有限公司 | Folding structure of electric bicycle frame |
-
2013
- 2013-11-18 CN CN201320725198.0U patent/CN203558169U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106585818A (en) * | 2016-11-28 | 2017-04-26 | 苏州速蝶科技有限公司 | Folding electric bicycle frame and folding electric bicycle |
| CN106585816A (en) * | 2016-11-28 | 2017-04-26 | 苏州速蝶科技有限公司 | Folding electric scooter or bicycle |
| CN113371116A (en) * | 2021-07-09 | 2021-09-10 | 东莞市一号科技有限公司 | Folding structure of electric bicycle frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |
|
| CX01 | Expiry of patent term |