CN204979057U - Vertical folding bicycle frame of two roof beams - Google Patents
Vertical folding bicycle frame of two roof beams Download PDFInfo
- Publication number
- CN204979057U CN204979057U CN201520444751.2U CN201520444751U CN204979057U CN 204979057 U CN204979057 U CN 204979057U CN 201520444751 U CN201520444751 U CN 201520444751U CN 204979057 U CN204979057 U CN 204979057U
- Authority
- CN
- China
- Prior art keywords
- upper beam
- underbeam
- rear portion
- bicycle frame
- folding bicycle
- 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
Abstract
The utility model discloses a vertical folding bicycle frame of two girders, including putting the beams in place, the underbeam, wherein put the beams in place through the connection branch front and back portion of scray, front portion and the head of putting the beams in place is managed upper portion and is connected, the upper beam rear portion is connected with well tub of upper portion, the underbeam is through the articulated front and back portion that divides of pivot, the underbeam is anterior manages the sub -unit connection with the head, underbeam rear portion and lower union coupling, be the quadrangle, low tube upper portion is connected with the upper beam rear portion, low tube lower part and well tub of lower part, the axis union coupling, be triangle -shaped, it is equipped with the outer binding of quick detach and is connected with well tub of upper portion to pitch the front portion on the back, between and be equipped with the shock attenuation plastid, the back is fork and well tub of lower part down, well central siphon is articulated through the pivot, on the back fork and back down the fork even the rear portion department of connecing establish the back axle bed of describing into acute angle type area fretwork. This frame has how much good frameworks, and the twin spar construction is firm, and is folding simple and convenient, and portable easily makes.
Description
Technical field
The utility model relates to bicycle, particularly a kind of can be longitudinal folding twin-beam foldable bicycle vehicle frame.
Background technology
In the present, along with environmental protection is advocated in the whole world, Green Travel, the public more and more favors the vehicle of environmental protection, bicycle environmental protection, bodybuilding and entertainment.Folding bicycle is more and more welcome owing to being easy to carry.
Existing folding bicycle frame girder mostly is single-beam, joins laterally folded device, and cause car load stressed concentrated, rigidity is under some influence, and especially in the place of road conditions condition difference, causes the traveling comfort and safety that reduce and drive.
Summary of the invention
The utility model aims to provide a kind of two girder longitudinal-folding bicycle frame, and it is folding easy, and rigidity is good, stabilized structure, safe and reliable folding bicycle frame.
The utility model is achieved in that two girder longitudinal fold bicycle unwheeling, comprise upper beam and underbeam, head tube, lower pipe, middle pipe, central siphon, back vent, wherein upper beam connects a point front and rear part by folder, upper beam front portion is connected with head tube top, upper beam rear portion is connected with middle pipe top, underbeam is by hinge hinged point of front and rear part, underbeam front portion is connected with head tube bottom, underbeam rear portion is connected with lower pipe, in quadrangle, lower pipe top is connected with upper beam rear portion, lower pipe bottom and middle pipe bottom, central siphon connects, triangular in shape, Seat stay front portion is provided with the outer fastener of quick detach and is connected with middle pipe top, between and be provided with damping plastid, Chain stay and central siphon, middle pipe bottom hinge is hinged.
Described upper beam, at the connecting portion of folder, is provided with convex column and threaded body, connects locking, be fixedly connected with upper beam front and rear part by locking tube clamp device.
The groove body that the front and rear part of the locking tube clamp device between described connection upper beam front and rear part is provided with and negative thread body and the convex column that upper beam front and rear part is provided with, threaded body corresponding chimeric, screw.
Described middle pipe top and the anterior junction of Seat stay are provided with is with interior card of damping plastid to manage, and Seat stay corresponding section is provided with the outer fastener of the parts such as band quick-release handle, is with card pipe external diameter in damping plastid corresponding in it through being provided with middle pipe top.
Described Chain stay and junction, Seat stay rear portion are provided with the rear axle bed into acute angle type band hollow out fills, and it can strengthen rigidity and elasticity and loss of weight, and attractive in appearance.
The two girder longitudinal-folding bicycle frame of the utility model adopts two main beam structure, good geometric conception, good stability, rigidity is strong, and safety is higher, the shock-absorbing function of band damping plastid is provided with by Seat stay, can effectively slow down in the face of vehicle frame, the direct impact of bicyclist, unit design is more attractive in appearance, safety, practical.
Accompanying drawing illustrates:
Fig. 1 is the two girder longitudinal-folding bicycle frame deployed condition block diagram of the utility model
Fig. 2 is the two girder longitudinal-folding bicycle frame folded state block diagram of the utility model
Fig. 3 is forked standard moulding block diagram after the two girder longitudinal-folding bicycle frame of the utility model
The anterior 2 underbeam front portions, upper beam rear portion 34 of head tube 1 upper beam
Pipe 7 central siphon 8 in the pipe 6 of 5 times, underbeam rear portion
Seat stay 9 Chain stay 10 locking tube clamp device 11 underbeam hinge 12
Card pipe 16 in the outer fastener 15 of damping plastid 13 back vent hinge 14 quick detach
Rear axle bed 17
Detailed description of the invention:
Below in conjunction with accompanying drawing, the two girder longitudinal-folding bicycle frame of the utility model is described in detail.
The utility model longitudinal-folding bicycle frame comprises head tube 1, upper beam front portion 2, upper beam rear portion 3, underbeam front portion 4, underbeam rear portion 5, lower pipe 5, middle pipe 6, central siphon 8, Chain stay 9, Seat stay 10, locking tube clamp device 11, underbeam hinge 12, damping plastid 13, back vent hinge 14, the outer fastener 15 of quick detach, interior card pipe 16, rear axle bed 17, as shown in Figure 1, 2.
It is corresponding with the concave body that underbeam rear portion 5 is provided with chimeric that described underbeam front portion 4 is provided with convex shape, be hinged and connected by underbeam hinge 12, upper beam front portion 2 is provided with convex column, upper beam rear portion 3 is provided with threaded body, connected by locking tube clamp device 11, lock fastening, locking tube clamp device 11 heterodoxy is provided with corresponding groove body and negative thread body, when locking tube clamp device 11 unclamps, with underbeam hinge 12 for point of transition, upper beam front portion 2, underbeam anterior 4 and head tube 1 can relative upper beam rear portions 3, underbeam rear portion 5 is longitudinal folding, about the Chinese patent literature 201420486217.3 that the longitudinal folding device technology between upper underbeam can obtain with reference to applicant.
The interior card pipe 16 of the band damping plastid 13 be provided with between described middle pipe 7 top and the anterior junction of Seat stay 9, the anterior corresponding section of Seat stay 9 is provided with the outer fastener tube device 15 of quick detach of the parts such as band quick-release handle, through corresponding with the external diameter of interior card pipe 16 chimeric in it, be locked, when unclamping back vent hinge 14 that the whole back vent of quick-release handle is provided with at Chain stay 10 and central siphon 8, middle pipe 7 bottom place for turning back a little, can longitudinally transfer folding in direction, beam portion up and down, complete folding process.
Described Chain stay 10 and Seat stay 9 junction are provided with the rear axle bed 17 into acute angle type band hollow out fills, and it can strengthen rigidity and elasticity and loss of weight, and attractive in appearance, as Fig. 3.
When two girder longitudinal-folding bicycle frame launches, just in time contrary with folding process, the outer fastener 15 of locking quick detach and locking tube clamp device 11, the upper and lower beam front and rear part of longitudinal-folding bicycle frame, upper and lower fork is relative with middle pipe lock fastening, stabilized structure, rigidity is good, and safety is attractive in appearance.
Claims (5)
1. pair girder longitudinal-folding bicycle frame, comprise upper beam and underbeam, wherein upper beam divides front and rear part, connected by locking tube clamp device (11), upper beam front portion (2) is connected with head tube (1) top, upper beam rear portion (3) is connected with middle pipe (7) top, underbeam divides front and rear part, hinged by underbeam hinge (12), underbeam front portion (4) is connected with head tube (1) bottom, underbeam rear portion (5) is connected with lower pipe (6), in quadrangle, lower pipe (6) top is connected with upper beam rear portion (5), lower pipe (6) bottom is connected with middle pipe (7) bottom, triangular in shape, outside the quick detach that middle pipe (7) is anterior with Seat stay (9), fastener (15) is connected, between and be provided with damping plastid (13), Chain stay (10) is hinged at back vent hinge (12) hinge with central siphon (8), Seat stay (9) and Chain stay (10) junction, rear portion are provided with rear axle bed (17).
2. two girder longitudinal-folding bicycle frame according to claim 1, it is characterized in that, described upper beam front portion (2), upper beam rear portion (3) is at the corresponding connecting portion of locking tube clamp device (11), be provided with corresponding convex column and threaded body, connect locking by locking tube clamp device (11), be fixedly connected with upper beam front portion (2) and upper beam rear portion (3).
3. two girder longitudinal-folding bicycle frame according to claim 2, it is characterized in that, the groove body that the front and rear part of the locking tube clamp device (11) between described connection upper beam front portion (2) and upper beam rear portion (3) is provided with and negative thread body and the convex column that upper beam front portion (2), upper beam rear portion (3) are provided with, threaded body corresponding chimeric, screw.
4. two girder longitudinal-folding bicycle frame according to claim 1, it is characterized in that, the interior card of the band damping plastid (13) be provided with between described middle pipe (7) top and Seat stay (9) anterior junction manages (16), Seat stay (9) corresponding section is provided with the outer fastener tube device (15) of quick detach of the parts such as band quick-release handle, its internal diameter, with interior to block the external diameter of managing (16) corresponding chimeric, is locked.
5. two girder longitudinal-folding bicycle frame according to claim 1, is characterized in that, described Seat stay (9) and Chain stay (10) junction, rear portion are provided with the rear axle bed into acute angle type band Openworks shape, and it can strengthen rigidity and elasticity and loss of weight, and attractive in appearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444751.2U CN204979057U (en) | 2015-06-25 | 2015-06-25 | Vertical folding bicycle frame of two roof beams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444751.2U CN204979057U (en) | 2015-06-25 | 2015-06-25 | Vertical folding bicycle frame of two roof beams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204979057U true CN204979057U (en) | 2016-01-20 |
Family
ID=55113451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520444751.2U Expired - Fee Related CN204979057U (en) | 2015-06-25 | 2015-06-25 | Vertical folding bicycle frame of two roof beams |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204979057U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476961A (en) * | 2016-11-03 | 2017-03-08 | 深圳市台铃电动车有限公司 | A kind of folding stand and folded bicycle |
| WO2018081968A1 (en) * | 2016-11-03 | 2018-05-11 | 深圳市比思维科技有限公司 | Folding chassis and folding bicycle |
-
2015
- 2015-06-25 CN CN201520444751.2U patent/CN204979057U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476961A (en) * | 2016-11-03 | 2017-03-08 | 深圳市台铃电动车有限公司 | A kind of folding stand and folded bicycle |
| WO2018081968A1 (en) * | 2016-11-03 | 2018-05-11 | 深圳市比思维科技有限公司 | Folding chassis and folding bicycle |
| US10766560B2 (en) | 2016-11-03 | 2020-09-08 | Shenzhen Bstcar Technology Co., Ltd. | Folding frame and folding vehicle |
| CN106476961B (en) * | 2016-11-03 | 2022-04-01 | 东莞市台铃车业有限公司 | Folding frame and folding car |
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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: 20160120 Termination date: 20180625 |