A kind of swing car
The present invention relates to body-building recreation apparatus technical field, more particularly to a kind of swing car.
Existing swing be all it is fixed, it is safe, but its motion mode of swing is more single, it is recreational relatively low, and
And body-building effect is not also good；Current various scooters, swing car, bicycle are liked by children deeply, recreational relatively strong, can be with
Move on the ground, but these cars are driven by strength of one's legs, it is necessary to grasp certain skill for new hand, and
And the translational speed such as scooter is very fast, there is potential safety hazard.
The content of the invention
The present invention in order to solve various scooters of the prior art it is recreational it is not enough, be difficult to manipulation the problem of there is provided
A kind of recreational strong, operation difficulty is low, swing car using safety.
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of swing car, including a front-wheel and two trailing wheels, described front-wheel, which is provided between front-wheel support, two trailing wheels, to be led to
Rotating shaft connection is crossed, is connected between the front-wheel support and rotating shaft by hanging oneself from a beam, described overarm is provided with cross bar, described cross bar
Vertical with overarm to be fixedly connected, the two ends of the cross bar, which are provided between hoist cable, the lower end of hoist cable, is hung with seat, the front-wheel car
The upper end of frame is provided with handlebar, and the unidirectional position restrainer for being used for preventing that front-wheel from retreating is provided between front axle and the lower end of front-wheel support
Structure.User sits on the seat, and both hands grip handlebar respectively, one entirety of human body and vehicle seat position, and the external force being subject to is zero, both hands
Seat is enforced to be moved rearwards by（I.e. swing swings backward）, human body produces a momentum backward, according to the law of conservation of momentum, this
When swing car move forward to keep the conservation of momentum, the rolling friction between wheel and ground is ignored；Both hands pull handlebar,
Human body and seat travel forward（I.e. swing swings forward）, now swing car integrally produce the trend moved after one, but be due to list
It is moved rearwards by position-limit mechanism limitation front-wheel, is now force of sliding friction between wheel and ground, the force of sliding friction is broken
The balance of swing car, balances out the momentum of swing car backward, and now swing car stops；Above-mentioned action is repeated, so as to realize
The intermittent reach of swing car, recreational strong, operation difficulty is low；Three wheels, overall appearance, stability is good, and road pavement is adapted to
Ability is strong, turns to maneuverability.
Preferably, described overarm C-shaped in configuration, the front end of the front-wheel support is provided with rotation seat, the overarm
Front end is rotated with rotation seat and is connected, and the rear end of the overarm is fixedly connected with the middle part of rotating shaft.C-shaped, the integrated beauty of overarm
See, uniform force.
Preferably, described overarm includes some bows, the end of bow is provided with snap joint, adjacent two
Connected between bow by snap joint.Overarm can quickly be split, and be easy to carry after fractionation；Bow can be by quick
Joint is quickly connected, and will soon be ressembled.
Preferably, the upper end of the front-wheel support is provided with sliding sleeve, the middle part of the handlebar is fixed with slide bar, described
Slide bar and sliding sleeve between be slidably connected, the outside of the sliding sleeve is provided with locking bolt.Sliding sleeve, sliding sleeve can adjust the height of handlebar
Degree, to adapt to different crowds.
Preferably, the lower end both sides of the seat are equipped with foot-driven lever.After user sits on the seat, bi-pedal is in pin
On treadle, it is easy to both hands to have an effect.
Preferably, described unidirectional position-limit mechanism is flywheel, external tooth and the front-wheel support of flywheel are bolted, and are flown
The endoporus of wheel and one end of front axle are fixedly and coaxially connected.Flywheel is standard component, and stability is good, and cost is low.
Preferably, described unidirectional position-limit mechanism includes ratchet, ratchet set, the periphery of ratchet is provided with ratchet, institute
The ratchet stated is fixedly connected with one end of front axle, and the lower end of the front-wheel support is provided with terminal pad, the side of the ratchet set
It is fixedly connected with terminal pad bolt, the another side of ratchet set, which is provided with end cap, the inwall of the ratchet set, is provided with some ratchets,
Stage clip is provided between the ratchet and pawl disk.Realized by ratchet and pawl arrangement unidirectional spacing.
Preferably, the outside of ratchet set is provided with turning set, the ratchet is put with the corresponding position of ratchet provided with drawing
String holes, the outer end of the ratchet is provided with steel wire rope, and one end of the steel wire rope is fixedly connected with ratchet, and the other end of steel wire rope is worn
Fairlead is crossed to be connected with turning set；The outside of the turning set is provided with cursor, and described handlebar is described provided with reversing handle
Reversing handle on be connected with drag-line, the other end of the drag-line and the outer end of cursor are connected.Because swing car is unidirectionally being limited
It can only be moved forward in the presence of the mechanism of position, car could be stopped in place by moving back and forth regulation before and after parking is usually required, similarly,
Swing car, which is parked in corner, could remove car, it is necessary to be shifted out when using and be also required to movable conciliation, unidirectional position restrainer
It is difficult that structure causes swing car parking to be picked up the car；, it is necessary to when stopping, picking up the car, pull reversing handle, reversing handle is by drawing in this structure
Rope, cursor drive turning set to rotate an angle, pull ratchet by steel wire rope when turning set is rotated, now ratchet and ratchet
Separation, unidirectional position-limit mechanism is released, and now swing car can just be moved forward and backward, consequently facilitating parking, pick-up；Unclamp reversing handle
Afterwards, ratchet automatically reset realized with ratchet engagement it is unidirectional spacing, it is very easy to use.
Preferably, the lower end inside of the front-wheel support is provided with guide holder, described drag-line is passed through on guide holder, drag-line
Position between guide holder and cursor is provided with back-moving spring, and described terminal pad is provided with cursor limited block.Reset
Spring is easy to turning set to reset, and cursor limited block is used for the extreme position for limiting cursor, prevents cursor from turning over head.
Preferably, the corresponding position on the inwall of the turning set with steel wire rope is provided with arc escape groove.Turning set is rotated
When, the position that part steel wire rope can enter between turning set and ratchet set,
Arc escape groove provides space for this section of steel wire rope.
Therefore, the present invention has the advantages that：（1）Overall structure is attractive in appearance, stability is good, use safety；（2）Turn to
Maneuverability；（3）Dismounting, it is easy to assembly, be easy to carry；（3）During parking coordinate reversing handle, can quickly by swing car stop to
Position；Coordinate reversing handle during pick-up, pick up the car more smooth.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the invention.
Fig. 2 is front view of the invention.
Fig. 3 is the first embodiment figure of unidirectional position-limit mechanism.
Fig. 4 is second of embodiment figure of unidirectional position-limit mechanism.
Fig. 5 is Fig. 4 internal structure schematic diagram.
Fig. 6 is the view after cursor rotation in Fig. 4.
Fig. 7 is Fig. 4 sectional side view.
Fig. 8 is close-up schematic view in Fig. 6.
In figure：Front-wheel 1, trailing wheel 2, front-wheel support 3, sliding sleeve 30, rotating shaft 4, overarm 5, bow 50, snap joint 51, turn
Dynamic seat 6, cross bar 7, hoist cable 8, seat 9, foot-driven lever 90, handlebar 10, slide bar 11, flywheel 12, ratchet 100, ratchet set 101, ratchet
102nd, terminal pad 103, ratchet 104, stage clip 105, turning set 106, fairlead 107, steel wire rope 108, arc escape groove 109, turn
Swing arm 110, drag-line 111, guide holder 112, back-moving spring 113, cursor limited block 114, end cap 115.
The invention will be further described with reference to the accompanying drawings and detailed description：
A kind of swing car as shown in Fig. 1 Fig. 2, including a front-wheel 1 and two trailing wheels 2, front-wheel are provided with front-wheel support 3, two
Connected, connected between front-wheel support and rotating shaft by overarm 5 by rotating shaft 4 between individual trailing wheel, hang oneself from a beam C-shaped in configuration, front-wheel branch
The front end of frame is provided with rotation seat 6, and the front end of overarm is rotated with rotation seat to be connected, and the rear end of overarm and the middle part of rotating shaft are fixed
Connection；Overarm 5 includes some bows 50, and the end of bow, which is provided between snap joint 51, adjacent two bows, to be led to
Cross snap joint connection；Overarm 5 is provided with cross bar 7, and cross bar is vertical with overarm to be fixedly connected, and the two ends of cross bar are provided with hoist cable 8, hang
Seat 9 is hung between the lower end of rope, the lower end both sides of seat are equipped with foot-driven lever 90, and the upper end of front wheel frame is provided with handlebar
10, the upper end of front-wheel support 3 is provided with sliding sleeve 30, and the middle part of handlebar is fixed with slide bar 11, the company of slip between slide bar and sliding sleeve
Connect, the outside of sliding sleeve is provided with locking bolt.
As shown in figure 3, being provided with the unidirectional position restrainer for being used for preventing that front-wheel from retreating between front axle and the lower end of front-wheel support
Structure, unidirectional position-limit mechanism is flywheel 12, and the flywheel structure is identical with the flywheel structure on bicycle, external tooth and the front-wheel branch of flywheel
Frame is bolted, and the endoporus of flywheel and one end of front axle are fixedly and coaxially connected.
Another embodiment of unidirectional position-limit mechanism：As shown in Fig. 4, Fig. 5 and Fig. 7, unidirectional position-limit mechanism includes ratchet
100th, ratchet set 101, the periphery of ratchet is provided with ratchet 102, and ratchet is fixedly connected with one end of front axle, front-wheel support
Lower end is provided with terminal pad 103, and the side of ratchet set is fixedly connected with terminal pad bolt, and the another side of ratchet set 101 is provided with end
Provided with four ratchets 104 at lid 115, the inwall of ratchet set, stage clip 105 is provided between ratchet and pawl disk.
As shown in figure 8, the outside of ratchet set 101 is provided with turning set 106, ratchet puts the corresponding position with ratchet provided with lead
Hole 107, the outer end of ratchet is provided with steel wire rope 108, and one end of steel wire rope is fixedly connected with ratchet, and the other end of steel wire rope, which is passed through, to be drawn
String holes is connected with turning set, and the corresponding position on the inwall of turning set with steel wire rope is provided with arc escape groove 109；The outside of turning set
Provided with cursor 110, handlebar is connected with drag-line 111, the lower end inside of front-wheel support is set provided with reversing handle on handle of moving backward
There is guide holder 112, drag-line is connected through the outer end of guide holder and cursor, the portion between guide holder and cursor is located on drag-line
Position is provided with back-moving spring 113, and terminal pad is provided with cursor limited block 114.
With reference to accompanying drawing, application method of the invention is as follows：User sits on the seat, and both hands grip handlebar, both hands respectively
Seat is enforced to be moved rearwards by（I.e. swing swings backward）, one segment distance of now swing car forward movement；Both hands pull handlebar, people
Body and seat travel forward（I.e. swing swings forward）, now swing car integrally produce the trend moved after one, but be due to unidirectional
Position-limit mechanism limitation front-wheel is moved rearwards by, and is now force of sliding friction between wheel and ground, the swing car that the frictional force is stops
Only move；Above-mentioned action is repeated, so as to realize the intermittent reach of swing car, recreational strong, operation difficulty is low；When needs fall
When car, parking, pick-up, reversing handle is pulled, reversing handle drives turning set to rotate an angle by drag-line, cursor, such as
Shown in Fig. 6, ratchet is pulled by steel wire rope when turning set is rotated, now ratchet is separated with ratchet, unidirectional position-limit mechanism is released, this
When swing car just can move forward and backward, consequently facilitating reversing, parking, pick up the car, release move backward handle after, ratchet automatically resets and ratchet
Engagement realization is unidirectional spacing, very easy to use.