CN206384096U - A kind of folding " V " shape frame bicycle - Google Patents
A kind of folding " V " shape frame bicycle Download PDFInfo
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- CN206384096U CN206384096U CN201621283553.3U CN201621283553U CN206384096U CN 206384096 U CN206384096 U CN 206384096U CN 201621283553 U CN201621283553 U CN 201621283553U CN 206384096 U CN206384096 U CN 206384096U
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Abstract
The utility model discloses a kind of folding " V " shape frame bicycle, it includes vehicle frame, front-wheel, trailing wheel, handle, foot-operated and vehicle seat, the vehicle frame is the structure of inverted v-shaped, its front end is provided with front arm that is being connected with the front-wheel and being rotated with the handle, its rear end is provided with rear arm and folds rocker stand, and the foot-operated and trailing wheel is separately positioned on the folding rocker stand and rear arm and connected by chain-wheel mechanism；Front arm, rear arm and folding rocker stand are that can be folded to the structure of inverted v-shaped frame inside, provided with the deflection mechanism that trailing wheel can be made to avoid front-wheel under bicycle folded state between the folding rocker stand and the vehicle frame.The folding " V " shape frame bicycle is in folded state, and front and back wheel will not interfere coincidence at grade, front and back wheel is avoided folding, saves space.
Description
Technical field
The present invention relates to a kind of folding bicycle field, more particularly to a kind of folding " V " shape frame bicycle.
Background technology
In the prior art, after folding, because trailing wheel does not possess the structure of similar front-wheel steer axle, front-wheel is needed front and back wheel
Space could be avoided shared by trailing wheel to obtain with steering spindle deflection larger angle, cause bicycle shared horizontal space after folding
It is larger, it is impossible to further to save space.In addition, the riding speed of small folding bicycle is general all unhappy；In identical environment
Under, due to small folding cart gearratio and wheel size comparison with standard size bicycle for smaller, speed of riding
Degree is slow, and dynamics of riding is lighter, does not reach the effect taken exercises and obtains the speed that bicyclist is brought less than bicycle
Degree sense.
Utility model content
The purpose of this utility model is to provide a kind of folding " V " shape frame bicycle, in folded state, front and back wheel
Coincidence will not be interfered at grade, front and back wheel is avoided folding, space is saved.
To achieve the above object, the utility model provides a kind of folding " V " shape frame bicycle, it include vehicle frame,
Front-wheel, trailing wheel, handle, foot-operated and vehicle seat, the vehicle frame are the structure of inverted v-shaped, and its front end is provided with what is be connected with the front-wheel
And the front arm that can be rotated with the handle, its rear end is provided with rear arm and folds rocker stand, and the foot-operated and trailing wheel is set respectively
Put on the folding rocker stand and rear arm and connected by chain-wheel mechanism；Front arm, rear arm and folding rocker stand are
The structure of inverted v-shaped frame inside can be folded to, trailing wheel can be made voluntarily by being provided between the folding rocker stand and the vehicle frame
The deflection mechanism of front-wheel is avoided under car folded state.
As further improvement of the utility model, the deflection mechanism include be arranged on it is described folding rocker stand with it is described
Connecting shaft between vehicle frame rear end, one end and the vehicle frame rear end of the connecting shaft are hinged, and connecting shaft is can be flat vertically along vehicle frame (1)
The structure of face swing；Fold rocker stand be connected with connecting shaft, its be can around connecting shaft axial rotation, make the trailing wheel rolling over
The structure of the plane staggered at an angle with it when folded where vehicle frame；Fold that be additionally provided between rocker stand and the vehicle frame can be by
The second quick-disassembly structure that both are fixedly connected.
Further improved as of the present utility model, the rear arm is hinged with folding rocker stand, rear arm and vehicle frame
Between provided with prevent both mutually rigidity touching rear shock-absorbing.
Further improved as of the present utility model, the chain-wheel mechanism shakes to be arranged on the folding rocker stand with after
On arm, the multi-chain gear wheel transmission mechanism of pedal drive rear wheel can be made.
Further improved as of the present utility model, the multi-chain gear wheel transmission mechanism includes power gear, commutating tooth
Wheel, coaxial accelerating gear, driven gear and chain, the power gear, tumbler gear and coaxial accelerating gear are arranged at institute
State folding rocker stand on and engage successively, the driven gear is fixedly and coaxially connected with the trailing wheel, coaxial accelerating gear and from
Moving gear is connected by the chain, and power gear is fixedly and coaxially connected with described ride.
Further improved as of the present utility model, the coaxial accelerating gear includes coaxially arranged first gear portion
With second gear portion, the gear ratio in the second gear portion and first gear portion is 3：1-2：1, first gear portion and the commutation
Gear is engaged, and second gear portion is engaged with the chain.
Further improved as of the present utility model, the gear ratio between the power gear and the tumbler gear is
3：1-2：1, the gear ratio in tumbler gear and the first gear portion is 1：1, the second gear portion and the driven tooth gear teeth
Number is than being 3：1-2：1.
Further improved as of the present utility model, described is in hollow-core construction in inverted v-shaped vehicle frame front portion, is arranged in it
There is steering spindle, the upper end of the steering spindle is connected with the handle, its lower end is solid by the first quick-disassembly structure with the front arm
Fixed connection, steering shaft lower portion rear is connected with rear side of front arm seat, front arm to be hinged with front arm seat.
Further improved as of the present utility model, the steering spindle include positioned at its lower end, be flexibly connected with it and
Coaxially arranged lower axle, between the two provided with the guide frame and front shock-proof device that the lower axle can be made to be moved axially along steering spindle.
Further improved as of the present utility model, the vehicle frame rear portion is provided with reflecting piece and its support, its support
It is upper symmetrically to carry out wheels with two.
Beneficial effect
Compared with prior art, bicycle of the present utility model has the advantage that：
1st, the folding that its " V " shape vehicle frame can be effectively to bicycle provides space, and deflection mechanism can make trailing wheel voluntarily
Occupied little space after front-wheel, folding are avoided under car folded state, facilitate turnover conveying；
2nd, its multi-chain gear wheel drive mechanism can be amplification tooth ratio, so as to improve bicycle max. speed；In identical highest car
Under speed, relative to the chain sprocket structure using primary transmission, multi-chain gear wheel can improve transmission efficiency, and the setting of its gear ratio is reasonable,
Cyclist is set to reach the exercise purpose of greater strength；
3rd, rear arm frame can be axially rotated around connecting shaft, in folded state, when the front and back wheel that can stagger and vehicle frame expansion
The plane formed, makes front and back wheel not interfere at grade after folding and overlaps, this mechanism can effectively make front and back wheel avoid folding
It is folded, save space；
4th, its mechanism folded can effectively save space, and the implementation wheel that vehicle tail is carried makes cycling after vehicle folding
People can easily carry out；
5th, two quick-disassembly structures, rocking arm before and after effectively fixing is easy to use quick.
By following description and with reference to accompanying drawing, the present invention will become more fully apparent, and these accompanying drawings are used to explain the present invention
Embodiment.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of folding " V " shape frame bicycle；
Fig. 2 is multi-chain gear wheel transmission mechanism partial enlarged drawing；
Fig. 3 is front shock-proof device mechanism structure partial enlarged drawing；
Fig. 4 is the connecting shaft partial enlarged drawing of rear arm；
Fig. 5 is state front view after folding " V " shape frame bicycle is folded；
Fig. 6 is state top view after folding " V " shape frame bicycle is folded.
In figure, 1, vehicle frame；2nd, front-wheel；3rd, trailing wheel；4th, handle；5th, ride；6th, ride；7th, front arm；8th, rocker stand is folded；
9th, rear arm；10th, multi-chain gear wheel transmission mechanism；101st, power gear；102nd, tumbler gear；103rd, coaxial accelerating gear；1031、
First gear portion；1032nd, second gear portion；104th, driven gear；105th, chain；11st, steering spindle；111st, lower axle；12nd, first is fast
Tear structure open；13rd, connecting shaft；14th, the second quick-disassembly structure；15th, rear shock-absorbing；16th, support；17th, wheel is carried out；18th, front arm seat；
19th, front shock-proof device；20th, sleeve；21st, connecting seat.
Embodiment
Element numbers similar in embodiments of the invention, accompanying drawing, which are described, with reference now to accompanying drawing represents similar element.
Embodiment one
Embodiment of the present utility model is as shown in figure 1, a kind of folding " V " shape frame bicycle, it includes
Vehicle frame 1, front-wheel 2, trailing wheel 3, handle 4, foot-operated 5 and vehicle seat 6, the vehicle frame 1 are the structure of inverted v-shaped, and its front end is provided with and institute
Front arm 7 that is stating the connection of front-wheel 2 and being rotated with the handle 4, its rear end is provided with rear arm 9 and folds rocker stand 8, described
Foot-operated 5 and trailing wheel 3 be separately positioned on the folding rocker stand 8 and rear arm 9, fold and be additionally provided with rocker stand 8 and rear arm 9
The foot-operated 5 multi-chain gear wheel transmission mechanisms 10 for driving trailing wheel 3 to rotate can be made；Front arm 7, rear arm 9 and folding rocker stand 8 are energy
It is folded to the structure of the inner side of inverted v-shaped vehicle frame 1.Folding to be provided between rocker stand 8 and vehicle frame 1 can be such that trailing wheel 3 is folded in bicycle
The deflection mechanism of front-wheel 2 is avoided under state.
As shown in Fig. 2 the multi-chain gear wheel transmission mechanism 10 includes power gear 101, tumbler gear 102, coaxial acceleration
Gear 103, driven gear 104 and chain 105, the power gear 101, tumbler gear 102 and coaxial accelerating gear 103 are all provided with
Put on the folding rocker stand 8 and engage successively, the driven gear 104 is fixedly and coaxially connected with the trailing wheel 3, coaxial to add
Fast gear 103 is connected with driven gear 104 by the chain 105, and power gear 101 is fixedly and coaxially connected with described foot-operated 5.
The coaxial accelerating gear 103 includes coaxially arranged first gear portion 1031 and second gear portion 1032, described
The gear ratio in second gear portion 1032 and first gear portion 1031 is 3：1-2：1, first gear portion 1031 and the tumbler gear
102 engagements, second gear portion 1032 is engaged with the chain 105.The power gear 101 and the tumbler gear 102 it
Between gear ratio be 3：1-2：1, the gear ratio in tumbler gear 102 and the first gear portion 1031 is 1：1, the second gear
Portion 1032 is 3 with the gear ratio of driven gear 104：1-2：1.
As shown in figure 1, it is described it is anterior in inverted v-shaped vehicle frame 1 be in hollow-core construction, be arranged with steering spindle 11, described turn in it
It is connected to the upper end of axle 11 with the handle 4, its lower end is fixedly connected with the front arm 7 by the first quick-disassembly structure 12, preceding
Rocking arm 7 be hinged with steering spindle 11 and can along bicycle perpendicular swing structure, the bottom rear of steering spindle 11 connect
There is front arm seat 18, the rear side of front arm 7 is hinged with front arm seat 18.
The steering spindle 11 includes being flexibly connected and coaxially arranged lower axle 111 positioned at its lower end, with it, sets between the two
There are the guide frame and front shock-proof device 19 that the lower axle 111 can be made to be moved axially along steering spindle 11.
As shown in figure 4, deflection mechanism includes being arranged on the connecting shaft 13 folded between rocker stand 8 and the rear end of vehicle frame 1, it is described
One end of connecting shaft 13 is hinged with the rear end of vehicle frame 1, connecting shaft 13 for can along the perpendicular swing of vehicle frame 1 structure；Fold
Rocker stand 8 be connected with connecting shaft 13 and can around its axial rotation structure, in folded state, this mechanism can stagger front-wheel 2,
The plane formed when trailing wheel 3 and the expansion of vehicle frame 1, makes front-wheel 2 not overlapped at grade with trailing wheel 3, this mechanism can be effective
Front and back wheel is set to avoid folding, as shown in Figure 6；Fold and be additionally provided with what both can be fixedly connected between rocker stand 8 and the vehicle frame 1
Second quick-disassembly structure 14.Described one end of rear arm 9 is hinged with folding rocker stand 8, and the other end is connected with trailing wheel 3.Rear arm 9 and car
Provided with the rear shock-absorbing 15 for preventing that both mutual rigidity from touching between frame 1.The rear portion of vehicle frame 1 is provided with reflecting piece and its support 16,
With two symmetrical implementation wheels 17 on its support.
In the present embodiment, 5 gears (power gear 101, tumbler gear 102, first gear portion 1031, second gears
Portion 1032, driven gear 104) gear ratio be 2:1:1:2:1, the gearratio of power gear 101 and driven gear 104 is 1：4.
In the present embodiment, the guide frame between steering spindle 11 and lower axle 111 includes being arranged on the lower end of steering spindle 11
Sleeve 20, sleeve 20 is provided with the junction of steering spindle 11 makes both internal through holes connected.Sleeve 20 is stretched into the upper end of lower axle 111
And the through hole through sleeve 20 and steering spindle 11, lower axle 111 is the cooperation of axis hole gap with the through hole；The upper end of lower axle 111
Provided with limited block and it is stuck in the bottom of steering spindle 11；The side wall of lower axle 111 is provided with the guiding being adapted with the inwall of sleeve 20
Portion, it can make lower axle 111 carry out axially reciprocating with sleeve 20, and front shock-proof device 19 is arranged on lower axle guide part and the top of sleeve 20
Between, rubber cushion or spring can be used as shock-absorbing element in the front shock-proof device 19 of the above and rear shock-absorbing 15, as shown in Figure 3.
In the present embodiment, connecting seat 21 is fixed on the rear portion of vehicle frame 1, and its underpart is connected with connecting shaft 13；First Quick Release knot
The quick-disassembly structure 14 of structure 12 and second is latch.
When tricycle prepares to ride, first the front arm 7 of the bicycle folded is rotated relatively with rear arm 9, and
Latch is fixed, turned on handlebar 4, and latch is fixed, just can start to ride.In the work of multi-chain gear wheel transmission mechanism 10
Under, dynamics of riding can amplify relative to existing bicycle, and scope is probably at 1 to 3 times or so.When tricycle reaches purpose
Behind ground, front arm 7, rear arm 9, handlebar latch can be opened and folded, under the auxiliary using the implementation wheel 17 of reflector, used
Trailing wheel 3 is carried out transporting, practical and convenient, as shown in Figure 5 and Figure 6.
Embodiment 2
It is with the difference of embodiment 1,5 gears (power gear 101, tumbler gear 102, first gear portions
1031st, second gear portion 1032, driven gear 104) gear ratio be 3:1:1:3:1, power gear 101 and driven gear 104
Gearratio be 1：9.
Embodiment 3
It is with the difference of embodiment 1,2,5 gears (power gear 101, tumbler gear 102, first gear portions
1031st, second gear portion 1032, driven gear 104) gear ratio be 2.5:1:1:2.5:1, power gear 101 and driven gear
104 gearratio is 1：6.25.
In above three embodiment, vehicle frame 1, which goes forward to retread, can also be respectively provided with regulation voluntarily on lower both sides extension pipe support
The telescoping mechanism of height, the setting of its telescoping mechanism adapts to the use colony of different heights, improves comfort level of riding.
Above in association with most preferred embodiment, invention has been described, but the invention is not limited in implementation disclosed above
Example, and modification, equivalent combinations that the various essence according to the present invention are carried out should be covered.
Claims (10)
1. a kind of folding " V " shape frame bicycle, it includes vehicle frame (1), front-wheel (2), trailing wheel (3), handle (4), foot-operated
And vehicle seat (6) (5), it is characterised in that：The vehicle frame (1) is the structure of inverted v-shaped, and its front end is provided with the front-wheel (2) even
Front arm (7) that is connecing and being rotated with the handle (4), its rear end is provided with rear arm (9) and folds rocker stand (8), described
Foot-operated (5) and trailing wheel (3) are separately positioned on the folding rocker stand (8) and rear arm (9) and connected by chain-wheel mechanism；Before
Rocking arm (7), rear arm (9) and folding rocker stand (8) are that can be folded to the structure on the inside of inverted v-shaped vehicle frame (1), the folding
Provided with the deflection that trailing wheel (3) can be made to avoid front-wheel (2) under bicycle folded state between rocker stand (8) and the vehicle frame (1)
Mechanism.
2. a kind of folding " V " shape frame bicycle as claimed in claim 1, it is characterised in that：The deflection mechanism bag
Include the connecting shaft (13) being arranged between described folding rocker stand (8) and the vehicle frame (1) rear end, the one of the connecting shaft (13)
End be hinged with vehicle frame (1) rear end, connecting shaft (13) be can along vehicle frame (1) perpendicular swing structure；Fold rocker stand
(8) be connected with connecting shaft (13), its for can around connecting shaft (13) axial rotation, make the trailing wheel (3) folding when with its be in one
Determine angle to stagger the structure of the plane where vehicle frame (1)；Being additionally provided between folding rocker stand (8) and the vehicle frame (1) can be by two
The second quick-disassembly structure (14) that person is fixedly connected.
3. a kind of folding " V " shape frame bicycle as claimed in claim 2, it is characterised in that：The rear arm (9) with
Fold rocker stand (8) to be hinged, provided with the rear shock-absorbing (15) for preventing that both mutual rigidity from touching between rear arm (9) and vehicle frame (1).
4. a kind of folding " V " shape frame bicycle as claimed in claim 1, it is characterised in that：The chain-wheel mechanism is
It is arranged on the folding rocker stand (8) and rear arm (9), can makes to ride the multi-chain gear wheel transmission that (5) drive trailing wheel (3) to rotate
Mechanism (10).
5. a kind of folding " V " shape frame bicycle as claimed in claim 4, it is characterised in that：The multi-chain gear wheel is passed
Motivation structure (10) includes power gear (101), tumbler gear (102), coaxial accelerating gear (103), driven gear (104) and chain
Bar (105), the power gear (101), tumbler gear (102) and coaxial accelerating gear (103) are arranged at the folding and shaken
Engage on arm support (8) and successively, the driven gear (104) is fixedly and coaxially connected with the trailing wheel (3), coaxial accelerating gear
(103) it is connected with driven gear (104) by the chain (105), power gear (101) is coaxial fixed with foot-operated (5)
Connection.
6. a kind of folding " V " shape frame bicycle as claimed in claim 5, it is characterised in that：The coaxial acceleration tooth
Taking turns (103) includes coaxially arranged first gear portion (1031) and second gear portion (1032), the second gear portion (1032)
Gear ratio with first gear portion (1031) is 3：1-2：1, first gear portion (1031) are engaged with the tumbler gear (102),
Second gear portion (1032) is engaged with the chain (105).
7. a kind of folding " V " shape frame bicycle as claimed in claim 6, it is characterised in that：The power gear
(101) gear ratio between the tumbler gear (102) is 3：1-2：1, tumbler gear (102) and the first gear portion
(1031) gear ratio is 1：1, the second gear portion (1032) is 3 with the driven gear (104) gear ratio：1-2：1.
8. a kind of folding " V " shape frame bicycle as claimed in claim 1, it is characterised in that：Described is in inverted v-shaped car
Frame (1) front portion is in hollow-core construction, is arranged with steering spindle (11) in it, the upper end of the steering spindle (11) with the handle (4) even
Connect, its lower end is fixedly connected with the front arm (7) by the first quick-disassembly structure (12), steering spindle (11) bottom rear is connected with
It is hinged on rear side of front arm seat (18), front arm (7) with front arm seat (18).
9. a kind of folding " V " shape frame bicycle as claimed in claim 8, it is characterised in that：The steering spindle (11)
Including being flexibly connected positioned at its lower end, with it and coaxially arranged lower axle (111), between the two provided with the lower axle can be made
(111) guide frame and front shock-proof device (19) moved axially along steering spindle (11).
10. a kind of folding " V " shape frame bicycle as described in claim 1 to 9 any one, it is characterised in that：Institute
Vehicle frame (1) rear portion is stated to be provided with reflecting piece and its support (16), its support with two symmetrical implementation wheels (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621283553.3U CN206384096U (en) | 2016-11-28 | 2016-11-28 | A kind of folding " V " shape frame bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621283553.3U CN206384096U (en) | 2016-11-28 | 2016-11-28 | A kind of folding " V " shape frame bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206384096U true CN206384096U (en) | 2017-08-08 |
Family
ID=59486745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621283553.3U Active CN206384096U (en) | 2016-11-28 | 2016-11-28 | A kind of folding " V " shape frame bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206384096U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978588A (en) * | 2021-11-16 | 2022-01-28 | 浙江喜家登科技有限公司 | Baby carriage capable of being folded in staggered mode |
-
2016
- 2016-11-28 CN CN201621283553.3U patent/CN206384096U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978588A (en) * | 2021-11-16 | 2022-01-28 | 浙江喜家登科技有限公司 | Baby carriage capable of being folded in staggered mode |
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