CN205131550U - Front -wheel driving bicycle - Google Patents
Front -wheel driving bicycle Download PDFInfo
- Publication number
- CN205131550U CN205131550U CN201520836327.2U CN201520836327U CN205131550U CN 205131550 U CN205131550 U CN 205131550U CN 201520836327 U CN201520836327 U CN 201520836327U CN 205131550 U CN205131550 U CN 205131550U
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- girder
- wheel spindle
- front wheel
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Abstract
The utility model relates to a front -wheel driving bicycle, including frame, steering mechanism and drive mechanism, the frame includes the girder, fixes at the preceding sleeve pipe of girder front end, fixes at the crossbeam of girder rear end and fix two rear sleeve pipe at the crossbeam both ends respectively, and is arbitrary rear sleeve pipe in be equipped with rear wheel fork, back fork is interior installs the rear wheel through the trailing axle, steering mechanism includes the steering spindle, deflector, two pull rods to and two traces, the steering spindle is installed in the protheca intraductally, and the upper end of steering spindle is fixed with the handlebar hand, the front end of two fixed pull rods of lower extreme symmetry of steering spindle, the deflector is triangle -shaped, wherein the deflector two minutes do not with the rear end swing joint of two pull rods, shaft lock symmetric connection is passed through on another angle of deflector to the one end of two traces, the other end of two traces passes through the shaft lock with two back forks respectively and is connected, the utility model has the characteristics of do benefit to the manufacturing, the cost is low, and the fault rate is few etc.
Description
Technical field
The utility model relates to bicycle art, and specifically a kind of front-wheel drives without chain, the tricycle that rear two-wheeled turns to.
Background technology
Along with the raising of people's environmental protection concept, cycling trip mode that is pollution-free, that do not consume energy becomes again the main body of going on a journey in life at leisure.But two-wheeled before and after existing bicycle, adopts axis floral disc, chain, car to fly to be transferred to trailing wheel, this mode of riding; Upper and lower inconvenience, dangerous, not steadily, sweat.Particularly some the elderlys and child also have certain danger.
A kind of Frontwheel driven bicycle is had in existing technology, number of patent application is 201320125263.6, the steering hardware of the bicycle of this patent application is: handlebar is in the dead ahead of car, and handlebar is transferred to two rear wheel fork by the steering shaft that vehicle body girder is in-built and rear wheel is changed direction, its handlebar is similar to the rotating of steering wheel of vehicle, driven the steering gear below steering shaft to rotate simultaneously, because steering gear engages with cylinder tooth bar, cylinder tooth bar connects gangbar simultaneously, thus has driven the left and right of gangbar to change.Rear wheel fork is installed respectively by pivot pin in gangbar both sides, thus drive trailing wheel left and right variation, with realize controlling party to; This steering hardware due to steering shaft be flat angle mount, handlebar operation can only in upper declivity rotation direction, and this operating mode is for very uncomfortable people by bike, and when hand push, direction adjustment is got up also very loaded down with trivial details; How to develop a kind of bicycle of safe, steady, laborsaving, simple operation, become urgent problem.
Summary of the invention
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, provides a kind of and operates more convenient Frontwheel driven bicycle.
The utility model design adopts following scheme for this reason:
Frontwheel driven bicycle, comprise vehicle frame, steering hardware and transmission device, described vehicle frame comprises girder, the anterior cannula being fixed on girder front end, the crossbeam being fixed on main beam rear end and be separately fixed at two rear sleeves at crossbeam two ends, be equipped with rear wheel fork in rear sleeve described arbitrarily, in rear wheel fork, by hind axle, rear wheel be installed; Described steering hardware comprises steering shaft, deflecting plate, two pull bars, and two traces, described steering shaft is installed in anterior cannula, the upper end of steering shaft is fixed with handlebar, the lower end symmetry of steering shaft fixes the front end of two pull bars, described deflecting plate is triangular in shape, wherein two angles of deflecting plate are flexibly connected with the rear end of two pull bars respectively, one end of described two traces is connected on another angle of deflecting plate by axle lock is symmetrical, and the other end of described two traces is locked by axle with two rear wheel fork respectively and is connected.
Further, described girder is the square steel tube that a stage casing is bent downwardly radian, the anterior cannula of girder front-end and back-end welding and rear sleeve are vertical round steel pipe, the anterior center position of described anterior cannula is welded with one block of vertical steel plate, the both sides of described vertical steel plate are symmetrically welded with two round steel pipe in outer direction forward along anterior cannula, be symmetrically welded with two smooth bar pipes below described girder, described round steel pipe and smooth bar pipe are welded to each other and form vertical A-frame.
Further, described transmission device comprises the front wheel spindle bearing being bolted on the front lower end of A-frame, is provided with front wheel spindle, described front wheel spindle is provided with front vehicle wheel in described front wheel spindle bearing, and the two ends of front wheel spindle are separately installed with two stretchers; The stage casing of described front wheel spindle is optical axis, outside front wheel spindle stage casing, both sides are equipped with one section of concave-convex type axial groove, the cross section of axial groove is rotatory wedge groove, in rotatory wedge groove, be provided with cylindrical roller roll with front-wheel Decorative drum and coordinate, the outer both sides of axial groove are all installed ball bearing of main shaft and are fixed by jam nut.
Further, the upper end of described vertical steel plate is welded with plain plate, and the anterior bending of described plain plate is also provided with bicycle basket in bending part.
Further, the front middle section of described vehicle frame main beam is also provided with Carrier for cycle, and described Carrier for cycle is that steel plate is converted under shed structure, and the top of Carrier for cycle is fixed with vehicle seat, and the lower openings place of Carrier for cycle is clamped on vehicle frame main beam by two bolts.
The beneficial effects of the utility model are:
Frontwheel driven bicycle of the present utility model, compared with prior art, this car have employed the principle that f-w-d meets ergonomic, rides laborsaving, steadily comfortable, safe ready of getting on or off the bus; Steering hardware adopts being linked of steering shaft, pull bar, deflecting plate and trace, and drive rear wheel fork and rear-axle steering, the mode of more traditional front-wheel steering bicycle is compared, and adjustment direction meets the operating habit of pedestrian, facilitates sensitive equally; The features such as body structure of the present utility model, transmission device and steering hardware are the structure simplified most of current bicycle, have and are beneficial to manufacture, and cost is low, and fault rate is few; It is the best instrument selection of the elderly and children's trip.
Accompanying drawing explanation
Be described further with regard to detailed description of the invention of the present utility model below in conjunction with accompanying drawing, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the lateral plan of Fig. 1;
Fig. 4 is the schematic diagram of the utility model transmission device;
Fig. 5 is the 1-1 cutaway view Amplified image of Fig. 4;
Fig. 6 is the schematic diagram of the utility model steering hardware;
Fig. 7 is the schematic diagram of Carrier for cycle of the present utility model, wherein (a) be Carrier for cycle front view, lateral plan that (b) is Carrier for cycle;
Wherein: 1-front vehicle wheel, 2-front wheel spindle, 3-stretcher, 4-front wheel spindle bearing, 5-vehicle frame, 6-bicycle basket, 7-car is stopped handle, 8-handlebar, 9-steering shaft, 10-pull bar, 11-vehicle seat, 12-Carrier for cycle, 13-deflecting plate, 14-trace, 15-rear wheel fork, 16-rear wheel, 17-hind axle, 18-rear car is stopped dish, 19-ball bearing of main shaft, 20-front-wheel Decorative drum, 21-cylindrical roller, 22-ball bearing of main shaft, 23-jam nut, 24-inner spring ring washer.
Detailed description of the invention
With reference to the Frontwheel driven bicycle shown in Fig. 1, Fig. 2 and Fig. 3, be a f-w-d, the tricycle of two rear-axle steerings.
Mainly comprise vehicle frame 5, steering hardware and transmission device.The girder of vehicle frame 5 is that a square steel tube stage casing has been bent downwardly radian, one section of round steel pipe (anterior cannula) is welded in the front upper end of square steel tube, weldering one block of vertical steel plate is hit exactly before round steel pipe, one block of plain plate is welded again on vertical steel plate, before plain plate, knuckle installs bicycle basket 6, the smooth bar pipe that outer direction is welded under welding two round steel pipe and being welded in vehicle frame main beam forward in the both sides of vertical steel plate connects, form vertical A-frame, at vertical A-frame front lower end bolt, front wheel spindle bearing 4 is installed, in front wheel spindle bearing 4, front wheel spindle 2 is installed, and then front vehicle wheel 1 is installed, steel ball steel bowl is respectively joined at the upper and lower side of the anterior cannula of the front upper end of girder, the in-built steering shaft 9 of anterior cannula, with reference to shown in Fig. 2, the rear end of vehicle frame 5 girder is welded with a root square steel tube (crossbeam), one section of round steel pipe (rear sleeve) is respectively welded at crossbeam two ends, rear sleeve respectively joins steel ball steel bowl up and down, in the in-built rear wheel fork 15 of rear sleeve and rear wheel 16.
As shown in Fig. 4 Fig. 5, transmission device comprises: front wheel spindle 2, the stage casing of front wheel spindle 2 is polished rod axle, outside stage casing, both sides are equipped with one section of concave-convex type axial groove, the cross section of axial groove is rotatory wedge groove, cylindrical roller 21 is provided with in groove, roll with front-wheel Decorative drum 20 and coordinate, ball bearing of main shaft (19,22) is all installed in the outer both sides of axial groove, and tighten with jam nut 23 and inner spring ring washer 24, the outer both sides of male thread section attenuate and install front wheel spindle bearing 4, and front wheel spindle bearing 4 two bolts are arranged on the vertical A-frame lower end on the front both sides of vehicle frame 5.Two stretchers 3 are installed at the two ends, left and right of front wheel spindle 2 respectively, drive front wheel spindle 2 and then drive front vehicle wheel 1 to operate by stretcher 3.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 6, steering hardware comprises: steering shaft 9, and the front upper end that steering shaft 9 is arranged on vehicle frame 5 is stood in round steel pipe (anterior cannula), the in-built handlebar 8 in steering shaft 9 upper end, and with hanging muscle bolt and tapered wedges locking steering shaft; One block of plain plate is welded in steering shaft 9 lower end, two holes are equidistantly bored on plain plate both sides, symmetrical upper end of installing two pull bars 10 in holes, deflecting plate 13 is triangular in shape, the lower end of pull bar 10 is arranged in two corner apertures of deflecting plate 13, get out a hole in the middle of deflecting plate 13 holes, hole built-in shaft is locked simultaneously, on the steel plate welded under axle locking fixes on vehicle frame main beam.The another angle symmetry of deflecting plate 13 opens holes, is locked respectively fill a trace 14 by axle, and trace connects the steel plate of weldering in both sides rear wheel fork 15 by axle lock, controls rear wheel 16 change direction by rear wheel fork 15.
As shown in Figure 1 and Figure 7, in one section of round steel pipe that the anchor ear under described vehicle seat 11 and bolt-locking weld on Carrier for cycle 12, can adjust up and down, Carrier for cycle 12 is converted under shed form for steel plate, establishes two bolt clampings under shed steel plate position; Can adjust according to before and after the stature of cyclist.
The utility model use procedure is as follows: when pedestrian rides over vehicle seat, and bipod steps on stretcher 3, front wheel axle 2, and cylindrical roller 21 is rolled to the external diameter direction of axle, and locking front-wheel Decorative drum 20, drives front vehicle wheel 1 to operate forward.When being moved forward by inertia when descending slopes, drive cylindrical roller 21 to roll to the internal diameter direction of axle by front-wheel Decorative drum 20, relieve the locking of front wheel spindle 2 and front-wheel Decorative drum 20.Thus move forward by the force of inertia of car.The front wheel spindle 2 of this car is transmission shaft and front vehicle wheel bolster.Stretcher 3 is arranged on front wheel spindle two ends by this car, can Direct driver front vehicle wheel need not other device.
When this car turns to: the front upper end of handlebar 8 cars, both hands hold handlebar can left and right optional turning.Handlebar 8 is contained on steering shaft 9, welding steel plate under steering shaft, left and right is installed the lower end of two pull bars 10 and to be arranged on deflecting plate 13 in two corner apertures, the locking of pull bar 10 central bore dress axle fixes on the steel plate of vehicle frame 5 times welderings, bores two holes, connect two traces 14 in left and right with axle lock under deflecting plate, trace other end axle lock connects both sides rear wheel fork 15, rear wheel fork drive rear wheel 16 change direction, during use from front vehicle wheel 1 break-in without there being different sensations, meet popular operating habit.
During the brake of this car: car is stopped before handle 7 is contained in the handle on handlebar 8 both sides, stopping handle as long as hold tight car, driving the rear car being contained in two hind axles 17 dish 18 of stopping to realize brake by steel wire bar (for embodying with reference to existing design in figure) of stopping.
To go on a journey the feature of band point thing to adapt to the elderly, be provided with bicycle basket 6 in the front end of car, be fixed on the plain plate of vehicle frame 5 front end weldering, bottom steel wire strut supports simultaneously.
The above; be only the better detailed description of the invention of the utility model; but the utility model protection domain is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore the utility model protection domain is as the criterion with the protection domain of claims.
Claims (5)
1. Frontwheel driven bicycle, comprise vehicle frame, steering hardware and transmission device, it is characterized in that, described vehicle frame comprises girder, the anterior cannula being fixed on girder front end, the crossbeam being fixed on main beam rear end and be separately fixed at two rear sleeves at crossbeam two ends, be equipped with rear wheel fork in rear sleeve described arbitrarily, in rear wheel fork, by hind axle, rear wheel be installed; Described steering hardware comprises steering shaft, deflecting plate, two pull bars, and two traces, described steering shaft is installed in anterior cannula, the upper end of steering shaft is fixed with handlebar, the lower end symmetry of steering shaft fixes the front end of two pull bars, described deflecting plate is triangular in shape, wherein two angles of deflecting plate are flexibly connected with the rear end of two pull bars respectively, one end of described two traces is connected on another angle of deflecting plate by axle lock is symmetrical, and the other end of described two traces is locked by axle with two rear wheel fork respectively and is connected.
2. Frontwheel driven bicycle according to claim 1, it is characterized in that, described girder is the square steel tube that a stage casing is bent downwardly radian, the anterior cannula of girder front-end and back-end welding and rear sleeve are vertical round steel pipe, the anterior center position of described anterior cannula is welded with one block of vertical steel plate, the both sides of described vertical steel plate are symmetrically welded with two round steel pipe in outer direction forward along anterior cannula, be symmetrically welded with two smooth bar pipes below described girder, described round steel pipe and smooth bar pipe are welded to each other and form vertical A-frame.
3. Frontwheel driven bicycle according to claim 2, it is characterized in that, described transmission device comprises the front wheel spindle bearing being bolted on the front lower end of A-frame, in described front wheel spindle bearing, front wheel spindle is installed, described front wheel spindle is provided with front vehicle wheel, and the two ends of front wheel spindle are separately installed with two stretchers; The stage casing of described front wheel spindle is optical axis, outside front wheel spindle stage casing, both sides are equipped with one section of concave-convex type axial groove, the cross section of axial groove is rotatory wedge groove, in rotatory wedge groove, be provided with cylindrical roller roll with front-wheel Decorative drum and coordinate, the outer both sides of axial groove are all installed ball bearing of main shaft and are fixed by jam nut.
4. Frontwheel driven bicycle according to claim 2, is characterized in that, the upper end of described vertical steel plate is welded with plain plate, and the anterior bending of described plain plate is also provided with bicycle basket in bending part.
5. Frontwheel driven bicycle according to claim 1, it is characterized in that, the front middle section of described vehicle frame main beam is also provided with Carrier for cycle, described Carrier for cycle is that steel plate is converted under shed structure, the top of Carrier for cycle is fixed with vehicle seat, and the lower openings place of Carrier for cycle is clamped on vehicle frame main beam by two bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520836327.2U CN205131550U (en) | 2015-10-27 | 2015-10-27 | Front -wheel driving bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520836327.2U CN205131550U (en) | 2015-10-27 | 2015-10-27 | Front -wheel driving bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205131550U true CN205131550U (en) | 2016-04-06 |
Family
ID=55617367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520836327.2U Expired - Fee Related CN205131550U (en) | 2015-10-27 | 2015-10-27 | Front -wheel driving bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205131550U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107867363A (en) * | 2016-09-27 | 2018-04-03 | 北京摩拜科技有限公司 | Two wheeler, the axle assembly of tricycle and its wheel, wheel installation method |
| CN108657339A (en) * | 2018-06-20 | 2018-10-16 | 山东祺月童车有限公司 | Rear steering child's tricycle |
-
2015
- 2015-10-27 CN CN201520836327.2U patent/CN205131550U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107867363A (en) * | 2016-09-27 | 2018-04-03 | 北京摩拜科技有限公司 | Two wheeler, the axle assembly of tricycle and its wheel, wheel installation method |
| CN108657339A (en) * | 2018-06-20 | 2018-10-16 | 山东祺月童车有限公司 | Rear steering child's tricycle |
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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: 20160406 Termination date: 20181027 |