CN2825437Y - Three-folding bicycle - Google Patents

Three-folding bicycle Download PDF

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Publication number
CN2825437Y
CN2825437Y CN 200520122005 CN200520122005U CN2825437Y CN 2825437 Y CN2825437 Y CN 2825437Y CN 200520122005 CN200520122005 CN 200520122005 CN 200520122005 U CN200520122005 U CN 200520122005U CN 2825437 Y CN2825437 Y CN 2825437Y
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China
Prior art keywords
hinge
fork
affixed
car
vehicle
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Expired - Fee Related
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CN 200520122005
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Chinese (zh)
Inventor
于志超
于铄航
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Individual
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Individual
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Priority to CN 200520122005 priority Critical patent/CN2825437Y/en
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Publication of CN2825437Y publication Critical patent/CN2825437Y/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a three-folding bicycle comprising a frame which is composed of a turning front fork, a bicycle bottom beam and a rear seat frame, a front wheel, a rear wheel and a drive mechanism. The utility model is characterized in that the front and the middle parts of the bicycle bottom beam are respectively provided with hinges; the lower part of the rear seat frame is provided with a hinge, and the lower end of a column of the rear seat frame is hinged with a vertical fork via a hinge; the hinges are locked by a locking device. The vertical fork is fixedly connected with the rear part of the bicycle bottom beam. Three hinge axes are all vertical to the longitudinal surface of the frame. The turning front fork, the bicycle bottom beam and the rear seat frame are folded into a W shape, and the bottoms of the front wheel and the rear wheel are positioned on the same plane and locked by the locking device. A pedal drives the rear wheel through a drive mechanism. Through the utility model, the length of a bicycle body can be greatly shortened; simultaneously, the height and the width of the bicycle body can be also shrunk at a certain degree. The folded bicycle can be still kept in a state that the front and the back wheels can touch down, and the bicycle body can walk in the upright way. The utility model with flexible carrying modes can be carried by hand or in a pack, or pushed forward by single hand.

Description

Three folding bicycles
Technical field
The utility model relates to a kind of three folding bicycles.
Background technology
Bicycle of today develops towards miniaturization and folding direction, and various mini foldable cycles become the main flow in market gradually, and alleviate and the foldability of bicycle weight made things convenient for people's use undoubtedly widely and deposited.Especially still there are problems such as inconvenient and dumb in existing in the market small foldable bicycle, but carry inconvenience riding in a bus when guiding and supporting with oneself.
Summary of the invention
The purpose of this utility model is: a kind of three folding bicycles are provided, and its folding mode is that vertically can three times folding gathering the in of vehicle body be " W " shape, the length of vehicle body is significantly shortened, simultaneously the height of vehicle body and the contraction that width also can be done certain amplitude.Bicycle after folding still keeps front and back wheel to land, but and the upright walking states of vehicle body, it is flexible that it carries mode, can guide and support conveniently, also can shove along by one hand, can also be contained in run away in the bag.
The purpose of this utility model is achieved in that a kind of three folding bicycles, comprise: turn to front fork, car bottom girder, back seat to be configured to vehicle frame and car front-wheel, back wheels of vehicle and transmission device, it is characterized in that: preceding, the middle part of described car bottom girder are respectively equipped with hinge; The bottom of back mounting is provided with hinge, the column lower end of back mounting is by the hinged upright fork of hinge, above-mentioned hinge locks by blocking device, described upright fork and car bottom girder rear portion are affixed, above-mentioned three hinge axis are with indulging face perpendicular to vehicle frame, after folding to turn to front fork, car bottom girder, back mounting be that the W type is superimposed, and on the plane that coexists at the bottom of the car front-wheel, back wheels of vehicle, and lock by blocking device; Step tread plate drives back wheels of vehicle by transmission device.
Describedly turn to front fork to connect to turn to expansion link, turn to expansion link to insert in the deflecting bar and running-fit with it, lock by snap close by handlebar; Front fork and deflecting bar are spirally connected, deflecting bar and steering column jacket running-fit, and a car front-wheel is installed in the described front fork lower end of front fork that turns to; Described car bottom girder is made of girder, back vent, girder is hinged by hinge and back vent, the front end of girder is hinged by hinge and steering column jacket, upright fork is left and right two, and " V " word is shaft-like, the preceding bar of upright fork and back vent middle part are affixed, rod rear end is affixed with the back vent rear end after two of upright fork, and back wheels of vehicle is clamped in the middle of upright fork and the back vent, and with spool being spirally connected of back wheels of vehicle; Back mounting be by the vertical column expanding bar of vehicle seat insert column and with its running-fit, lock by snap close.
Described car bottom girder and back vent thereof be straight-bar or knee; Described upright fork is affixed two straight-bars of straight-bar or two knees.
Describedly be spirally connected with car bottom girder rear portion or affixed band car ladder tail-bracket at upright fork, described band car ladder tail-bracket is affixed by connecting panel and connecting rod by tail-bracket, connecting rod and car bottom girder rear portion are spirally connected or are affixed, the front portion of described tail-bracket is spirally connected by front rod and upright fork or is affixed, hinged left and right pole on connecting panel, between connecting panel and pole, extension spring is set, the locating dowel pin of pole is set on connecting panel.
The hinged small wheels of described pole tail end.
Described transmission device is the hinged axis in back vent middle part of car bottom girder, and axis and zipper saw disc are affixed; The affixed step tread plate connecting rod of axis, step tread plate connecting rod and bilateral step tread plate are hinged, and the transmission flywheel is installed on described back wheels of vehicle, and zipper saw disc drives flywheel by chain.
Described bilateral step tread plate is by hinge and step tread plate rod hinge connection, and by the lockout mechanism locking, described lockout mechanism is spring pin and pin-and-hole.
Described handlebar is divided into three sections: two handles and handlebar body, two handles and handlebar body are hinged, and lock by lock pin.
The utility model has following advantage and positive useful effect:
Vehicle frame of the present utility model can three folding gatherings in be " W " shape in the vertical, and the length of vehicle body can significantly shorten.Simultaneously, but the car load after folding still keeps the walking states that car front-wheel and back wheels of vehicle land simultaneously and vehicle body is upright on same straight line, the expansion link structure that cooperates the folding and deflecting bar and the back mounting column of handlebar and step tread plate again, it is flexible that it carries mode, can guide and support conveniently, also can shove along by one hand, can also be contained in run away in the bag, be easy to carry, also can reduce stolen possibility to greatest extent simultaneously.
Description of drawings
Fig. 1 is that the upright fork of the utility model is the shaft-like embodiment scheme drawing of triangle.
Fig. 2 is three folded state scheme drawings among Fig. 1.
Fig. 3 is that the upright fork of the utility model is straight-bar embodiment scheme drawing.
Fig. 4 is that the upright fork of the utility model is straight-bar, band car ladder tail-bracket embodiment scheme drawing.
Fig. 5 is that back vent is that straight-bar, upright fork are triangular pelvis, band car ladder tail-bracket folded state scheme drawing.
Fig. 6 is that back vent is the band car ladder tail-bracket embodiment scheme drawing of bending.
Fig. 7 is Fig. 5 folded state scheme drawing.
Fig. 8 the utility model band car ladder tail-bracket is a pole embodiment scheme drawing.
Fig. 9 is bilateral step tread plate and step tread plate rod hinge connection view.
Accompanying drawing number:
1. turn to front fork 2. car bottom girders 3. back mountings
4. car front-wheel 5. back wheels of vehicle
1-1. handlebar 1-2. handle 1-3. turns to expansion link.
1-4. deflecting bar 1-5. steering column jacket 1-6. front fork
2-1. hinge axis 2-2. hinge 2-3. girder
2-5. step tread plate 2-6. hinge 2-7. hinge axis
2-8. zipper saw disc 2-10. axis 2-11. step tread plate connecting rod
2-11-1 hinge 2-11-2 lockout mechanism 2-12. chain
2-13. back vent 2-15. hinge axis
3-1. vehicle seat 3-2. vertical column expanding bar 3-3. column
3-4. the upright fork of hinge axis 3-5. hinge 3-6.
5-1. transmission flywheel
6. be with car ladder tail-bracket 6-1. small wheels 6-2. locating dowel pin
6-3. pole 6-4. extension spring 6-5. connecting panel
6-6. connecting rod 6-8. front rod 6-9. tail-bracket
The specific embodiment
Embodiment 1:
Upright fork is for falling " V " word rod-type three folding bicycles, please refer to Fig. 1,2, its structure comprises:, a kind of three folding bicycles, comprise: turn to front fork 1, car bottom girder 2, back mounting 3 to constitute vehicle frame and car front-wheel 4, back wheels of vehicle 5 and transmission device, preceding, the middle part of described car bottom girder 2 are respectively equipped with hinge 2-2,2-6; The bottom of back mounting 3 is provided with hinge 3-5, the column lower end of back mounting 3 is by the hinged upright fork 3-6 of hinge 3-5, above-mentioned hinge locks by blocking device, described upright fork 3-6 and car bottom girder 2 rear portions are affixed, above-mentioned three hinge axis 2-1,2-7,3-4 are with indulging face perpendicular to vehicle frame, turn to front fork 1, car bottom girder 2, back mounting 3 superimposed after folding, and car front-wheel 4,5 ends of back wheels of vehicle coexist on the plane, and lock by blocking device for the W type; Step tread plate 2-5 drives back wheels of vehicle 5 by transmission device.
Describedly turn to front fork 1 to connect to turn to expansion link 1-3, turn to expansion link to insert in the deflecting bar 1-4 and running-fit with it, lock by snap close by handlebar 1-1; Front fork 1-6 and deflecting bar 1-4 are spirally connected, deflecting bar 1-4 and steering column jacket 1-5 running-fit, and a car front-wheel 4 is installed in the described front fork 1-6 lower end of front fork 1 that turns to; Described car bottom girder 2 is made of girder 2-3, back vent 2-13, girder 2-3 is hinged by hinge 2-6 and back vent 2-13, the front end of girder 2-3 is hinged by hinge 2-2 and steering column jacket 1-5, upright fork 3-6 is two, and " V " word is shaft-like, preceding bar and the back vent 2-13 middle part of upright fork 3-6 are affixed, rod rear end is affixed with back vent 2-13 rear end after two of upright fork 3-6, and back wheels of vehicle 5 is clamped in the middle of upright fork 3-6 and the back vent 2-13, and with spool being spirally connected of back wheels of vehicle 5; Back mounting 3 be by the vertical column expanding bar 3-2 of vehicle seat 3-1 insert column 3-3 and with its running-fit, lock by snap close.
Described car bottom girder 2 and back vent 2-13 thereof be straight-bar or knee; Described upright fork 3-6 is affixed two straight-bars of straight-bar or two knees.
Described transmission device is the hinged axis 2-10 in back vent 2-13 middle part of car bottom girder 2, and axis 2-10 and zipper saw disc 2-8 are affixed; The affixed step tread plate connecting rod of axis 2-10 2-11, step tread plate connecting rod 2-11 and bilateral step tread plate 2-5 are hinged, and transmission flywheel 5-1 is installed on described back wheels of vehicle 5, and zipper saw disc 2-8 drives flywheel 5-1 by chain 2-12.
Described bilateral step tread plate is by hinge 2-11-1 and step tread plate rod hinge connection, and by lockout mechanism 2-11-2 locking, described lockout mechanism is spring pin and pin-and-hole.
Described handlebar 1-1 is divided into three sections: two handle 1-2 and handlebar body, two handles and handlebar body are hinged, and lock by lock pin.
A car front-wheel 4 is installed in the described front fork 1-6 lower end of front fork 1 that turns to, turn to the steering column jacket 1-5 body of front fork 1 and the front end of car bottom girder 2 to intersect welding, the upright fork 3-6 lower end of described back mounting 3 and the back vent 2-13 of car bottom girder 2 intersect welding, and the back vent 2-13 afterbody of described car bottom girder 2 is installed a back wheels of vehicle 5.
Embodiment 2
Upright fork prolongs straight-bar band car ladder tail-bracket three folding bicycles for column, and its structure is identical substantially with embodiment 1, and something in common repeats no more; Difference is: the upright fork of this car prolongs straight-bar for column, shown in Fig. 3,4,6, and the terraced tail-bracket 6 of band car is spirally connected at upright fork 3-6 and car bottom girder 2 rear portions, described band car ladder tail-bracket 6 is affixed by connecting panel 6-5 and connecting rod 6-7 by tail-bracket 6-9, connecting rod 6-7 and car bottom girder 2 rear portions are spirally connected, the front portion of described tail-bracket 6 is spirally connected by front rod 6-8 and upright fork 3-6 or is affixed, and hinged pole 6-3 on connecting panel 6-5 is provided with extension spring 6-4 between connecting panel 6-5 and pole 6-3.The locating dowel pin 6-2 of pole 6-3 is set, when this car folds and locks by locating dowel pin 6-2 on connecting panel 6-5.And after car folded and locks, pole 6-3 can play a supportive role.
In three folding bicycles travelled, band car ladder tail-bracket 6 is carrier or thing easily not only, if adopt at the hinged steamboat 6-1 of the tail end of pole 6-3.When car travels pole 6-3 is upwards pushed away, as shown in Figure 6, after this car folds and locks, pole 6-3 is pushed away downwards as shown in Figure 7, steamboat 6-1 lands, and can play a supportive role, and also can draw or push away and walk.
Embodiment 3
The car bottom girder is three folding bicycles of bending, what its structure was the same repeats no more, institute's difference is: described back vent 2-13 is that bend or crooked car bottom girder 2 connects as one with back mounting 3 at interior car bottom girder 2 and the back mounting that comprises upright fork 3-6, as shown in Figure 6.It can not be provided with band car ladder tail-bracket, and band car ladder tail-bracket also can be set.
The condition of service of the foregoing description:
One, purposes
1. can ride in a bus for big and medium-sized cities, the crowd of subway carries as short distance and replenishes the vehicle, be used on and off duty, go out to handle affairs, go shopping shopping, outing etc., can also be with going home or office, with anti-lost.
2. can for by air, by plane, the crowd of train, automobile and steamer long-term travel carries, arrive to do short distance behind the destination and " ride with oneself ".
3. using in the campus for the university student, is again a kind of portable " riding with oneself " when going out.
Two, usage
1. method for folding: as shown in Figure 2, when needing after the use to draw in, need left and right sides step tread plate 2-5 folding (the step tread plate upset is inwardly folded up for 180 °); Handlebar handle 1-2 folding downwards 90 degree in the left and right sides are folding; The blocking device latch of difference hinge-opening 2-2,2-6,3-5, making car load is that the fulcrum front and back are folded into " W " shape with three hinge axis 2-1,2-7,3-4; Open the snap close that turns to expansion link 1-3 and vertical column expanding bar 3-2 respectively it is compressed in deflecting bar 1-4 and the column 3-3, with blocking device locking (annotating: adopt prior art) about the blocking device behind this three folding stands folding device.It is flexible that it carries mode, can guide and support conveniently, also can shove along by one hand, can also be contained in run away in the bag, is easy to carry, and also can reduce stolen possibility to greatest extent simultaneously.
2. method of deploying: shown in Fig. 1,3,4,6, the left hand walker is 1-1, and the right hand promotes vehicle seat 3-1 backward, makes hinge 2-2, hinge 2-6 and hinge 3-5 closed respectively and launch structure before and after the car load and locking blocking device separately; Pull out respectively and turn to expansion link 1-3 and vertical column expanding bar 3-2 and lock snap close; Launch left and right sides step tread plate 2-5 respectively and lock spring pin promptly can enter mode of operation.
Facts have proved: the utility model has following advantage and positive useful effect:
Vehicle frame of the present utility model can three folding gatherings in be " W " shape in the vertical, the length of vehicle body can significantly shorten, but the car load after folding simultaneously still keeps the walking states that car front-wheel and back wheels of vehicle land simultaneously and vehicle body is upright on same straight line, the expansion link structure that cooperates the folding and deflecting bar and the back mounting column of handlebar and step tread plate again, it is flexible that it carries mode, can guide and support conveniently, also can shove along by one hand, can also be contained in run away in the bag, be easy to carry, also can reduce stolen possibility to greatest extent simultaneously.

Claims (8)

1, a kind of three folding bicycles, comprise: turn to front fork (1), car bottom girder (2), back mounting (3) to constitute vehicle frame and car front-wheel (4), back wheels of vehicle (5) and transmission device, it is characterized in that: preceding, the middle part of described car bottom girder (2) is respectively equipped with hinge (2-2), (2-6); The bottom of back mounting (3) is provided with hinge (3-5), the column lower end of back mounting (3) is by the hinged upright fork of hinge (3-5) (3-6), above-mentioned hinge locks by blocking device, described upright fork (3-6) is affixed with car bottom girder (2) rear portion, above-mentioned three hinge axis (2-1), (2-7), (3-4) are with indulging face perpendicular to vehicle frame, turn to front fork (1), car bottom girder (2), back mounting (3) after folding are that the W type is superimposed, and car front-wheel (4), back wheels of vehicle (5) end, coexist on the plane, and locked by blocking device; Step tread plate (2-5) drives back wheels of vehicle (5) by transmission device.
2, three folding bicycles as claimed in claim 1 is characterized in that: describedly turn to front fork (1) to be connected by handlebar (1-1) to turn to expansion link (1-3), turn to expansion link to insert in the deflecting bar (1-4) and running-fit with it, locked by snap close; Front fork (1-6) is spirally connected with deflecting bar (1-4), deflecting bar (1-4) and steering column jacket (1-5) running-fit, and a car front-wheel (4) is installed in described front fork (1-6) lower end of front fork (1) that turns to; Described car bottom girder (2) is made of girder (2-3), back vent (2-13), girder (2-3) is hinged by hinge (2-6) and back vent (2-13), the front end of girder (2-3) is hinged by hinge (2-2) and steering column jacket (1-5), upright fork (3-6) is left and right two, and " V " word is shaft-like, the preceding bar of upright fork (3-6) and back vent (2-13) middle part are affixed, rod rear end and back vent (2-13) rear end are affixed after two of upright fork (3-6), and back wheels of vehicle (5) is clamped in the middle of upright fork (3-6) and the back vent (2-13), and be spirally connected with the axle of back wheels of vehicle (5); Back mounting (3) be by the vertical column expanding bar (3-2) of vehicle seat (3-1) insert column (3-3) and with its running-fit, lock by snap close.
3, three folding bicycles as claimed in claim 1 or 2 is characterized in that: described car bottom girder (2) and back vent (2-13) thereof for straight-bar or knee; Described upright fork (3-6) is affixed two straight-bars of straight-bar or two knees.
4, three folding bicycles as claimed in claim 1, it is characterized in that: described being spirally connected at upright fork (3-6) and car bottom girder (2) rear portion or affixed band car ladder tail-bracket (6), described band car ladder tail-bracket (6) is affixed by connecting panel (6-5) and connecting rod (6-6) by tail-bracket (6-9), connecting rod (6-6) is spirally connected with car bottom girder (2) rear portion or is affixed, the front portion of described tail-bracket (6) is spirally connected by front rod (6-8) and upright fork (3-6) or is affixed, go up a hinged left side at connecting panel (6-5), right pole (6-3), between connecting panel (6-5) and pole (6-3), extension spring (6-4) is set, the locating dowel pin (6-2) of pole (6-3) is set on connecting panel (6-5).
5, three folding bicycles as claimed in claim 4 is characterized in that: the hinged small wheels of described pole (6-2) tail end (6-1).
6, three folding bicycles as claimed in claim 1 is characterized in that: described transmission device is back vent (2-13) the middle part hinged axis (2-10) of car bottom girder (2), and axis (2-10) is affixed with zipper saw disc (2-8); The affixed step tread plate connecting rod of axis (2-10) (2-11), step tread plate connecting rod (2-11) is hinged with bilateral step tread plate (2-5), goes up at described back wheels of vehicle (5) transmission flywheel (5-1) is installed, and zipper saw disc (2-8) drives flywheel (5-1) by chain (2-12).
7, three folding bicycles as claimed in claim 6 is characterized in that: described bilateral step tread plate is by hinge (2-11-1) and step tread plate rod hinge connection, and by lockout mechanism (2-11-2) locking, described lockout mechanism is spring pin and pin-and-hole.
8. three folding bicycles as claimed in claim 2 is characterized in that: described handlebar (1-1) is divided into three sections: two handles (1-2) and handlebar body, two handles and handlebar body are hinged, and lock by lock pin.
CN 200520122005 2005-09-23 2005-09-23 Three-folding bicycle Expired - Fee Related CN2825437Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520122005 CN2825437Y (en) 2005-09-23 2005-09-23 Three-folding bicycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520122005 CN2825437Y (en) 2005-09-23 2005-09-23 Three-folding bicycle

Publications (1)

Publication Number Publication Date
CN2825437Y true CN2825437Y (en) 2006-10-11

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2492175A1 (en) * 2011-02-22 2012-08-29 Chanton Trading Co., Ltd. Foldable bicycle
CN103786821A (en) * 2012-11-05 2014-05-14 甘国栋 Multifunctional portable folding bicycle
CN103979052A (en) * 2012-07-18 2014-08-13 崔晓宏 Foldable bicycle
CN104309748A (en) * 2014-09-30 2015-01-28 张建民 Small wheel diameter bicycle capable of being pushed after being folded vertically
WO2015014751A1 (en) * 2013-07-30 2015-02-05 Chike Gmbh & Co. Kg Collapsible cargo bike

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2492175A1 (en) * 2011-02-22 2012-08-29 Chanton Trading Co., Ltd. Foldable bicycle
CN103979052A (en) * 2012-07-18 2014-08-13 崔晓宏 Foldable bicycle
CN103979052B (en) * 2012-07-18 2018-08-31 崔晓宏 A kind of folding bicycle
CN103786821A (en) * 2012-11-05 2014-05-14 甘国栋 Multifunctional portable folding bicycle
WO2015014751A1 (en) * 2013-07-30 2015-02-05 Chike Gmbh & Co. Kg Collapsible cargo bike
CN104309748A (en) * 2014-09-30 2015-01-28 张建民 Small wheel diameter bicycle capable of being pushed after being folded vertically

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C19 Lapse of patent right due to non-payment of the annual fee
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