CN201808634U - Multipurpose folding bicycle - Google Patents
Multipurpose folding bicycle Download PDFInfo
- Publication number
- CN201808634U CN201808634U CN2010205219313U CN201020521931U CN201808634U CN 201808634 U CN201808634 U CN 201808634U CN 2010205219313 U CN2010205219313 U CN 2010205219313U CN 201020521931 U CN201020521931 U CN 201020521931U CN 201808634 U CN201808634 U CN 201808634U
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- diagonal brace
- bicycle
- folding bicycle
- wheel
- trailing wheel
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- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a multipurpose folding bicycle, which is used for providing a folding bicycle which can be rode by an adult and serve as a handcart after being folded. The technical scheme is as follows: the multipurpose bicycle comprises a front bicycle body and a rear bicycle body, a front wheel, a rear wheel, a saddle, a chain wheel device, a handlebar and a brake component, wherein the front bicycle body and the rear bicycle body are connected through a bicycle beam. The folding bicycle is characterized in that the front end of a front fork is hinged with the lower end of a front bicycle inclined strut; the upper end of the front bicycle inclined strut is positioned in the front of a front rotary shaft through a detachable structure; a rear rotary shaft is positioned at the rear end of the bicycle beam through a rear bearing; a rear fork is fixed at the lower end of the rear rotary shaft; the rear end of the rear fork is hinged with the lower end of the rear bicycle inclined strut; the upper end of a rear wheel inclined strut is positioned on the rear side of a rear bearing sleeve through a detachable structure; an upright is fixed on the front part and the rear part of the bicycle beam respectively; an auxiliary wheel is positioned at the lower end of each upright; and two long connecting rods and two short connecting rods in end-to-end connection are horizontally positioned between the two uprights through a detachable structure.
Description
Technical field
The utility model belongs to the folding bicycle field, is specifically related to a kind of multi-purpose folding bicycle that can be used as bicycle or hand barrow use.
Background technology
Bicycle is a kind of vehicle that people use always in the daily life, and the volume of ordinary bicycle is bigger, carries, transports or deposit with the passenger traffic instrument for ease of trip, and people have designed folding bicycle.Folding bicycle on the market is varied at present, but all is confined to bicycle folding is become smaller size smaller, still lacks the function that can do other purposes after folding.
The utility model content
The purpose of this utility model is to overcome the deficiency that the above-mentioned background technology exists, a kind of improvement of folding bicycle is provided, this folding bicycle can be ridden for the adult, can use as hand barrow after folding, and have volume characteristics little, esy to use, safe and reliable.
The utility model proposes following technical scheme:
Multi-purpose folding bicycle comprises car beam bonded assembly front vehicle body, aftercarriage by horizontal arrangement, is positioned at the front-wheel on the front vehicle body, the trailing wheel on the aftercarriage respectively, a saddle, a chain gear apparatus of riding, handlebar and brake part; It is characterized in that:
In the front vehicle body, the lower end of the front end of front vehicle fork and a front truck diagonal brace is hinged, and the upper end of this front truck diagonal brace is positioned at the front side of front rotary shaft by demountable structure;
In the aftercarriage, back rotating shaft is rotatably positioned in the rear end of car beam by the rear axle bearing sleeve, and stretch out from the rear axle housing bottom lower end of back rotating shaft; Rear vehicle fork is fixed on the lower end of back rotating shaft, and the lower end of the rear end of rear vehicle fork and a back car diagonal brace is hinged, and the upper end of this trailing wheel diagonal brace is positioned at the rear side of rear axle bearing sleeve by demountable structure;
The front portion of described car beam, rear portion respectively are fixed with a vertically arranged column, and the lower end of each column is positioned with a liftable jockey pulley respectively; By the demountable structure horizontal location two long connecting rods and two end to end short connecting rods are arranged between two columns.
Described demountable structure comprises movable joint, the loose joint cover that can rotate around center shaft, and described movable joint and loose joint cover pass through screw thread fit.
The same side of described front-wheel diagonal brace, trailing wheel diagonal brace respectively is shaped on two movable joints, and two movable joints on the trailing wheel diagonal brace are corresponding with two movable joint positions on the front-wheel diagonal brace.
Two handle tail ends of described handlebar respectively are shaped on a loose joint cover; The inboard of described front rotary shaft, back rotating shaft respectively is shaped on a movable joint, two movable joints in opposite directions and right, and two movable joints match with the loose joint cover of two handle tail ends respectively.
The rear side of the front side of described front rotary shaft, back rotating shaft is shaped on a loose joint cover respectively.
The described chain gear apparatus that drives trailing wheel is installed on the described rear vehicle fork.
The plane that the axis of described front-wheel diagonal brace, front vehicle fork is formed is perpendicular to the axis of movable joint on the front-wheel diagonal brace; The plane that the axis of described trailing wheel diagonal brace, rear vehicle fork is formed is perpendicular to the axis of movable joint on the trailing wheel diagonal brace.
Use principle of the present utility model is:
When the utility model used as bicycle, use principle and conventional Bicycle were like (two jockey pulleys are packed up); When using: earlier the upright position is opened and turned in the upper end of front-wheel diagonal brace and trailing wheel diagonal brace, respectively be connected (as shown in phantom in Figure 1) with front rotary shaft, back rotating shaft respectively then by a short connecting rod as hand barrow; Afterwards front vehicle body is rotated counterclockwise 90 degree around the front axle bearing sleeve, aftercarriage around the rear axle bearing sleeve clockwise rotate 90 degree so that front-wheel, trailing wheel in opposite directions and right; By a long connecting rod front-wheel diagonal brace is connected with the trailing wheel diagonal brace again; At last bicycle handle is taken off, the loose joint of handlebar two handle tail ends cover is threaded with the movable joint of front rotary shaft, back rotating shaft respectively, and two jockey pulleys is lowered into kiss the earth and locks the lifting bar of jockey pulley, can form a hand barrow.
The beneficial effects of the utility model are: in the utility model, front vehicle body, aftercarriage can connect into a hand barrow by long connecting rod, short connecting rod after respectively rotating 90 degree, and be easy to assembly; And the utility model volume is less solid and reliable, can satisfy people's daily demand.In addition, of the present utility model simple in structure, productive costs is also lower.
Description of drawings
Fig. 1 is a main TV structure scheme drawing of the present utility model.
Fig. 2 be in the utility model demountable structure analyse and observe enlarged diagram.
Fig. 3 is the three-dimensional enlarged diagram of knot that can be undone by a pull in the utility model.
Fig. 4 is the left TV structure scheme drawing after the utility model is folded into hand barrow.
The specific embodiment
Below in conjunction with Figure of description, the utility model is described in further detail.
As shown in Figure 1, multi-purpose folding bicycle described in the utility model, comprise car beam 10 bonded assembly front vehicle body, aftercarriage by horizontal arrangement, be positioned at the front-wheel 14 on the front vehicle body, the trailing wheel 5 on the aftercarriage respectively, a saddle 2, one foot-operated chain gear apparatus 7, handlebar 1 and brake part (brake part is a conventional structure, is omitted among the figure and does not draw); Described front vehicle body comprises front rotary shaft 17, front vehicle fork 13; Described front rotary shaft is vertically mounted in the front axle bearing sleeve 12 of car beam, and the upper end of front rotary shaft is equipped with described handlebar (structure that generally adopts on the conventional folding bicycle is not described in detail) by knot that can be undone by a pull 20; Stretch out the lower end of front rotary shaft bearing carrier ring bottom in the past, and the lower end of described front vehicle fork welding front rotary shaft (front rotary shaft can rotate around the front axle bearing sleeve), the front end of front vehicle fork is equipped with described front-wheel; The structure and the front vehicle body of aftercarriage are similar, are not repeated in this description at this.Above structure is the structure of conventional folding bicycle.
Improvement part of the present utility model is:
1, in the front vehicle body, the lower end of the front end of front vehicle fork 13 and a front truck diagonal brace 22 is hinged, and the upper end of this front truck diagonal brace is positioned at the front side of front rotary shaft 17 by demountable structure; Described demountable structure comprises movable joint 18-2, can overlap 18-1 (center shaft is welded on the front rotary shaft, and the loose joint cover installation method at other positions is similar, is not repeated in this description) around the loose joint that center shaft 18-3 rotates, and described movable joint and loose joint cover pass through screw thread fit.
2, in the aftercarriage, back rotating shaft 3 is rotatably positioned rear end at the car beam by rear axle bearing sleeve 4, the lower end of the rear end of rear vehicle fork 6 and a back car diagonal brace 21 is hinged, the upper end of this trailing wheel diagonal brace is positioned at the rear side of rear axle bearing sleeve (when bicycle is advanced by demountable structure, can realize the location of rear vehicle fork by this trailing wheel diagonal brace, in order to avoid rear vehicle fork rotates around the rear axle bearing sleeve, influence the direct of travel of bicycle).
3, the front portion of described car beam, rear portion respectively are fixed with a vertically arranged column 19, and the lower end of each column is positioned with a liftable jockey pulley 8 (the degree of tightness screw thread is a conventional structure, does not describe in detail) by degree of tightness screw thread 11 respectively; By the demountable structure horizontal location two long connecting rods 9 and two end to end short connecting rods 16 are arranged between two columns.
Said structure of the present utility model can be realized the function of bicycle; Can use as hand barrow after folding, the utility model has also been made following improvement:
One side of described front-wheel diagonal brace is shaped on two movable joint 18-2, and when the front-wheel diagonal brace went to the upright position, the two loose joint thickness of heads height with aforementioned two long connecting rods 9 respectively were identical; Also be shaped on the described trailing wheel diagonal brace and cooresponding two movable joints in front-wheel diagonal brace position, and the movable joint of two movable joints of trailing wheel diagonal brace and front-wheel diagonal brace is positioned at the same side.The plane that the axis of described front-wheel diagonal brace, front vehicle fork is formed is perpendicular to the axis of movable joint on the front-wheel diagonal brace; The plane that the axis of described trailing wheel diagonal brace, rear vehicle fork is formed is perpendicular to the axis of movable joint on the trailing wheel diagonal brace.
Two handle tail ends of described handlebar respectively are shaped on loose joint cover 18-1; The inboard of described front rotary shaft, back rotating shaft respectively is shaped on a movable joint 18-1 (as shown in Figure 1), and right, after each rotated 90 °, two movable joints can match with the loose joint cover of two handle tail ends respectively to form the handlebar of hand barrow in opposite directions in two movable joints.
The rear side of the front side of described front rotary shaft, back rotating shaft is shaped on loose joint cover 18-1 respectively.
Advance for not influencing hand barrow, described chain gear apparatus 7 is installed on the rear vehicle fork 6.
The assembling process of hand barrow is:
1, in the front vehicle body, the upright position is opened and turned in the upper end of front-wheel diagonal brace, (two ends of short connecting rod are respectively movable joint and loose joint cover by a short connecting rod and front rotary shaft then, and length equals the horizontal throw of front-wheel diagonal brace top to front rotary shaft), the movable joint of short connecting rod one end is connected with the loose joint external threading of front rotary shaft front side, and the loose joint cover of the other end is threaded with the movable joint of front-wheel diagonal brace upper end; The assembling process of aftercarriage is identical with front vehicle body, is not repeated in this description at this.
2, front vehicle body is rotated counterclockwise 90 degree around the front axle bearing sleeve, aftercarriage around the rear axle bearing sleeve clockwise rotate 90 degree so that front-wheel, trailing wheel in opposite directions and right; By a long connecting rod front-wheel diagonal brace is connected with the trailing wheel diagonal brace again; The two ends of this long connecting rod are the loose joint cover, and the loose joint cover of an end is threaded with the movable joint of front-wheel diagonal brace, and the movable joint of correspondence position is threaded on the loose joint cover of the other end or the trailing wheel diagonal brace, makes front vehicle body and aftercarriage link together.At this moment, connect front-wheel diagonal brace and the long connecting rod of trailing wheel diagonal brace and the contour and equal horizontal arrangement of another root long connecting rod on the column, can on two long connecting rods, lay a plank (conventional structure is omitted among the figure and do not draw) that is used for arrangement of goods.
3, bicycle handle is pulled down, the loose joint cover of handlebar two handle tail ends is threaded (at this moment with the movable joint of front rotary shaft, back rotating shaft respectively, front rotary shaft, rotating shaft inboard, back in opposite directions and right loose joint cover forwards the same side to as shown in Figure 4), form the handlebar of hand barrow.
4, two jockey pulleys are lowered into kiss the earth and lock the lifting bar (nadir of two jockey pulleys, front-wheel, trailing wheel at grade) of jockey pulley, can form a hand barrow, as shown in Figure 4.
Claims (7)
1. multi-purpose folding bicycle, comprise car beam (10) bonded assembly front vehicle body, aftercarriage, be positioned at the front-wheel (14) on the front vehicle body, the trailing wheel (5) on the aftercarriage respectively, a saddle (2) by horizontal arrangement, one foot-operated chain gear apparatus (7), handlebar (1) and brake part; It is characterized in that:
In the front vehicle body, the lower end of the front end of front vehicle fork (13) and a front truck diagonal brace (22) is hinged, and the upper end of this front truck diagonal brace is positioned at the front side of front rotary shaft (17) by demountable structure;
In the aftercarriage, back rotating shaft (3) is rotatably positioned in the rear end of car beam by rear axle bearing sleeve (4), and stretch out from the rear axle housing bottom lower end of back rotating shaft; Rear vehicle fork (6) is fixed on the lower end of back rotating shaft, and the lower end of the rear end of rear vehicle fork and a back car diagonal brace (21) is hinged, and the upper end of this trailing wheel diagonal brace is positioned at the rear side of rear axle bearing sleeve by demountable structure;
The front portion of described car beam, rear portion respectively are fixed with a vertically arranged column (19), and the lower end of each column is positioned with a liftable jockey pulley (11) respectively; By the demountable structure horizontal location two long connecting rods (9) and two end to end short connecting rods (16) are arranged between two columns.
2. multi-purpose folding bicycle according to claim 1 is characterized in that: described demountable structure comprises movable joint (18-2), the loose joint cover (18-1) that can rotate around center shaft (18-3), and described movable joint and loose joint cover pass through screw thread fit.
3. multi-purpose folding bicycle according to claim 1 and 2, it is characterized in that: the same side of described front-wheel diagonal brace (22), trailing wheel diagonal brace (21) respectively is shaped on two movable joints (18-2), and two movable joints on the trailing wheel diagonal brace are corresponding with two movable joint positions on the front-wheel diagonal brace.
4. multi-purpose folding bicycle according to claim 3 is characterized in that: two handle tail ends of described handlebar (1) respectively are shaped on a loose joint cover (18-1); The inboard of described front rotary shaft, back rotating shaft respectively is shaped on a movable joint (18-2), two movable joints in opposite directions and right, and two movable joints match with the loose joint cover of two handle tail ends respectively.
5. multi-purpose folding bicycle according to claim 4 is characterized in that: the rear side of the front side of described front rotary shaft (17), back rotating shaft (3) is shaped on a loose joint cover (18-1) respectively.
6. multi-purpose folding bicycle according to claim 5 is characterized in that: the described chain gear apparatus (7) that drives trailing wheel (5) is installed on the described rear vehicle fork (6).
7. multi-purpose folding bicycle according to claim 6 is characterized in that: the plane that the axis of described front-wheel diagonal brace (22), front vehicle fork (13) is formed is perpendicular to the axis of movable joint on the front-wheel diagonal brace (18-2); The plane that the axis of described trailing wheel diagonal brace (21), rear vehicle fork (6) is formed is perpendicular to the axis of movable joint on the trailing wheel diagonal brace (18-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205219313U CN201808634U (en) | 2010-09-06 | 2010-09-06 | Multipurpose folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205219313U CN201808634U (en) | 2010-09-06 | 2010-09-06 | Multipurpose folding bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201808634U true CN201808634U (en) | 2011-04-27 |
Family
ID=43891577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205219313U Expired - Fee Related CN201808634U (en) | 2010-09-06 | 2010-09-06 | Multipurpose folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201808634U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016043843A (en) * | 2014-08-25 | 2016-04-04 | 順二 永山 | Cycle used also as wheelchair |
| CN106428354A (en) * | 2016-10-21 | 2017-02-22 | 崔璨 | Transformable electric vehicle |
-
2010
- 2010-09-06 CN CN2010205219313U patent/CN201808634U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016043843A (en) * | 2014-08-25 | 2016-04-04 | 順二 永山 | Cycle used also as wheelchair |
| CN106428354A (en) * | 2016-10-21 | 2017-02-22 | 崔璨 | Transformable electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20130906 |