CN204137252U - Twin beams longitudinal fold bicycle - Google Patents

Twin beams longitudinal fold bicycle Download PDF

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Publication number
CN204137252U
CN204137252U CN201420636230.2U CN201420636230U CN204137252U CN 204137252 U CN204137252 U CN 204137252U CN 201420636230 U CN201420636230 U CN 201420636230U CN 204137252 U CN204137252 U CN 204137252U
Authority
CN
China
Prior art keywords
upper beam
underbeam
middle pipe
rear portion
front portion
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
Application number
CN201420636230.2U
Other languages
Chinese (zh)
Inventor
李金中
Original Assignee
李金中
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 李金中 filed Critical 李金中
Priority to CN201420636230.2U priority Critical patent/CN204137252U/en
Application granted granted Critical
Publication of CN204137252U publication Critical patent/CN204137252U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The open a kind of two girder longitudinal fold bicycle of the utility model, comprise upper beam, underbeam, wherein upper beam divides front and rear part by the connection of folder, front portion is connected with head tube top, rear portion is connected with middle pipe top, underbeam is by rotating shaft hinged point of front and rear part, front portion is connected with head tube bottom, rear portion is connected with middle pipe bottom, central siphon, Seat stay is connected by the outer fastener of quick detach with middle pipe top, and being provided with damping plastid, Chain stay and middle pipe bottom, central siphon are hinged by rotating shaft, and Seat stay and Chain stay junction are set to the rear axle bed of acute angle type band Openworks shape.It is firm that this car has front twin-spar construction, folding easy, is easy to carry, and is easy to manufacture.

Description

Twin beams longitudinal fold bicycle
Technical field
The utility model relates to bicycle, particularly a kind of can be longitudinal folding twin-beam foldable bicycle.
Background technology
In the present, the public more and more favors green, 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, causes the rigidity of car load to be under some influence, and especially in the place of road conditions condition difference, causes the traveling comfort reducing and drive, safety.
Summary of the invention
The utility model aims to provide a kind of twin beams longitudinal fold bicycle, and it is folding easy, and rigidity is good, stabilized structure, the folding bicycle of safety.
The utility model is achieved in that twin beams longitudinal fold bicycle, comprise upper beam and underbeam, head tube, middle pipe, central siphon, back vent, wherein upper beam connects a point front and rear part by folder, and front portion is connected with head tube top, and rear portion is connected with middle pipe top, underbeam is by hinge hinged point of front and rear part, front portion is connected with head tube bottom, and rear portion is connected with middle pipe bottom, central siphon, and the outer fastener of the quick detach that Seat stay and middle pipe top are provided with is connected, and being provided with damping plastid, Chain stay and middle pipe bottom, central siphon hinge are 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 Seat stay and junction, middle pipe top are provided with is with interior card of damping plastid to manage, and corresponding section, middle pipe top is provided with the outer fastener of quick detach of the parts such as band quick-release handle, through corresponding with interior card pipe external diameter in it.
Described Chain stay and Seat stay junction 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.
The utility model twin beams longitudinal fold bicycle adopts two main beam structure, stability, firm property, and safety is better, be provided with the shock-absorbing function of band damping plastid 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, practical, safety.
Accompanying drawing illustrates:
Fig. 1 is the two girder longitudinal fold bicycle deployed condition block diagram of the utility model
Fig. 2 is the two girder longitudinal fold bicycle folded state block diagram of the utility model
Fig. 3 is the two girder longitudinal fold bicycle back vent axle bed moulding block diagram of the utility model
Fig. 4 is the outer fastener block diagram of quick detach of pipe upper bands shock-absorbing function in the two girder longitudinal fold bicycle of the utility model
The anterior 2 upper beam rear portions 3 of anterior 1 underbeam of upper beam
Pipe 5 central siphon 6 in underbeam rear portion 4
Seat stay 7 Chain stay 8 locking tube clamp device 9
Damping plastid 10 underbeam hinge 11 Chain stay hinge 12
The outer fastener 15 of card pipe 14 quick detach in head tube 13
Rear axle bed 16
Detailed description of the invention:
Below in conjunction with accompanying drawing, the utility model twin beams longitudinal fold bicycle is described in detail.
In explanation accompanying drawing, twin beams longitudinal fold bicycle eliminates, handle, front and back wheel, front fork, saddle, the parts such as transmission device, these parts can adopt prior art, do not belong to the present utility model and create content, this area can practical existing parts according to actual needs, do not affect technique effect of the present utility model, seldom state at this.
The utility model longitudinal fold bicycle comprises upper beam front portion 1, underbeam front portion 2, upper beam rear portion 3, underbeam rear portion 4, middle pipe 5, central siphon 6, Chain stay 7, Seat stay 8, the outer fastener 15 of quick detach, locking tube clamp device 9, head tube 13, as shown in Figure 1, 2.
It is corresponding with the concave body that underbeam rear portion 4 is provided with chimeric that described underbeam front portion 2 is provided with convex shape, be hinged and connected by hinge 11, upper beam front portion 1 is provided with convex column, upper beam rear portion 3 is provided with threaded body, connected by locking tube clamp device 9, lock fastening, locking tube clamp device 9 heterodoxy is provided with corresponding groove body and negative thread body, when locking tube clamp device 9 unclamps, with underbeam hinge 11 for point of transition, on, underbeam anterior with head tube can relative on, underbeam rear portion 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 14 of the band damping plastid 10 that described Seat stay 7 is provided with the junction on middle pipe 5 top, corresponding section, middle pipe 5 top 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 14 chimeric in it, be locked, when unclamping Chain stay hinge 12 that the whole back vent of quick-release handle is provided with at Chain stay 8 and middle pipe 5 bottom, central siphon 6 place for turning back a little, can longitudinally transfer folding in direction, beam portion up and down, complete folding process.
Described Seat stay 7 and Chain stay 8 junction are provided with the rear axle bed 16 into the moulding of acute angle type band Openworks shape, and it can strengthen rigidity and elasticity and loss of weight, and attractive in appearance.As shown in Figure 3.
The heterodoxy of the interior card pipe 14 that described Seat stay 7 is arranged with junction, middle pipe 5 top is provided with damping plastid 10, its external diameter is corresponding with the internal diameter of the outer fastener 15 of quick detach that middle pipe top is provided with, when locking quick-release handle, it not only can card pipe 14 in locking belt shock-absorbing function, simultaneously can locking bed pipe.As shown in Figure 4.
When twin beams longitudinal fold bicycle launches, just in time contrary with folding process, the outer fastener 15 of locking quick detach and locking tube clamp device 9, the upper and lower beam front and rear part of longitudinal fold bicycle, upper and lower fork is relative with middle pipe lock fastening, stabilized structure, rigidity is good, safety attractive in appearance.

Claims (5)

1. twin beams longitudinal fold bicycle, comprise upper beam and underbeam, wherein upper beam connects a point upper beam front portion (1) by locking tube clamp device (9), upper beam rear portion (3), upper beam front portion (1) is connected with head tube (13) top, upper beam rear portion (3) is connected with middle pipe (5) top, underbeam is by underbeam hinge (11) hinged point of underbeam front portion (2), underbeam rear portion (4), underbeam front portion (2) is connected with head tube (13) bottom, underbeam rear portion (4) and middle pipe (5) bottom, central siphon (6) connects, Seat stay (7) is connected by the outer fastener (15) of quick detach with middle pipe (5) top, and be provided with damping plastid (10), Chain stay (8) and middle pipe (5) bottom, central siphon (6) is hinged by Chain stay hinge (12).
2. twin beams longitudinal fold bicycle according to claim 1, it is characterized in that: described upper beam front portion (1), upper beam rear portion (3) is at the corresponding connecting portion of locking tube clamp device (9), be provided with corresponding convex column and threaded body, connect locking by locking tube clamp device, be fixedly connected with upper beam front portion (1) and upper beam rear portion (3).
3. twin beams longitudinally folded bicycle according to claim 2, is characterized in that: the groove body that the front and rear part of the locking tube clamp device (9) between described connection upper beam front portion (1) and upper beam rear portion (3) is provided with and negative thread body and the convex column that upper beam front portion (1), upper beam rear portion (3) are provided with, threaded body corresponding chimeric, screw.
4. twin beams longitudinal fold bicycle according to claim 1, it is characterized in that: described Seat stay (7) and Chain stay (8) junction are provided with the rear axle bed (16) into the moulding of acute angle type band Openworks shape, it can strengthen rigidity and elasticity and loss of weight, and attractive in appearance.
5. twin beams longitudinal fold bicycle according to claim 1, it is characterized in that: the interior heterodoxy of managing (14) of blocking that described Seat stay (7) and middle pipe (5) junction, top are arranged is provided with damping plastid (10), the internal diameter of the outer fastener (15) of quick detach that the external diameter that interior card manages (14) is provided with middle pipe top is corresponding, when locking quick-release handle, it not only can block pipe (14) in locking belt shock-absorbing function, simultaneously can locking bed pipe.
CN201420636230.2U 2014-10-29 2014-10-29 Twin beams longitudinal fold bicycle Expired - Fee Related CN204137252U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420636230.2U CN204137252U (en) 2014-10-29 2014-10-29 Twin beams longitudinal fold bicycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420636230.2U CN204137252U (en) 2014-10-29 2014-10-29 Twin beams longitudinal fold bicycle

Publications (1)

Publication Number Publication Date
CN204137252U true CN204137252U (en) 2015-02-04

Family

ID=52413959

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420636230.2U Expired - Fee Related CN204137252U (en) 2014-10-29 2014-10-29 Twin beams longitudinal fold bicycle

Country Status (1)

Country Link
CN (1) CN204137252U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2573589A (en) * 2018-10-12 2019-11-13 John Northfield Quinten Folding bicycle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2573589A (en) * 2018-10-12 2019-11-13 John Northfield Quinten Folding bicycle
GB2573589B (en) * 2018-10-12 2022-04-13 John Northfield Quinten Folding bicycle

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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: 20150204

Termination date: 20161029