KR20100023170A - Jumping bicycle - Google Patents

Abstract

PURPOSE: A three-wheeled jumping bicycle is provided to pump using the elastic force by mounting an elastic unit which is made of a coil spring or a shock absorber on a rear frame. CONSTITUTION: A three-wheeled jumping bicycle comprises a front frame, a handle shaft(21), a steering frame(23) and a hub(24). The front frame comprises a saddle(11) and a head pipe(12) in order to form a body. The handle shaft comprises a steering wheel(20) installed at the head pipe of the front frame. A steering part(22) and a steering frame extend in the inner side. The hub is fixed on the steering frame and forms a shaft body. A bearing(42) of the rear frame and a coil spring(43) are installed on the front frame.

Description

Jumping bicycle

The present invention relates to a three-wheeled jumping bicycle, and more specifically, by installing the front wheel frame and rear wheel frame hinged to the main frame, the rear wheel frame to the main body frame by applying the load by the user using the weight of the elastic spring or shock absorber The elastic expansion and contraction allows the bicycle to achieve jumping and up and down leap to provide a three-wheeled jumping bike that can combine fun and exercise.

As is well known, a bicycle is a two-wheeled vehicle (wheelbarrow) that is driven by rotating a wheel by a person's force, and pedals with a person's foot to drive a front wheel or a wheel through a driving means composed of a chain and a driven sprocket. It is configured to move forward by transmitting to the rear wheel, and in recent years, it is possible to accelerate the speed by changing the speed ratio so as to advance a large distance with speed increase and a small force.

These bicycles are frequently used for the purpose of short-distance transportation, exercise effects and leisure activities.

In Korean Patent Application Utility No. 20-318647 of the prior art, the front frame is connected to the front wheels and the saddle is installed, the rear frame is installed, the rear frame is coupled through the hinge portion, and the front frame is one side Bicycles that are fastened and connected to one side of the rear frame and having a shock absorber for cushioning action are developed and used to mitigate the shock transmitted to the frame when driving on a dirt road or a road having irregularities.

The above-mentioned conventional invention merely solves the problem of shock mitigation transmitted to the frame part by the uneven road or ground condition, and no effect can be expected for the user for the purpose of exercise effect and leisure activity.

Users who enjoy the above-mentioned sports and leisure can experience leisure activities and exercise effects only by hiking for the purpose of travel using a conventional bicycle, racing games that can experience a sense of speed, or competitions that require high difficulty as possible on special sculptures. There is no choice but to expect.

In addition, hiking or racing competitions can be performed only in places far from residential environments or in large spaces, which can be performed through special sculptures, and can only be limited by equipment and expenses. Due to the lack of environment and conditions, only a limited number of enthusiasts make up a leisure culture.

On the contrary, the jumping bicycle No. 10-2007-0036986, which has been previously filed by the present applicant, has a steering part for steering the moving direction, a frame part consisting of a front frame and a rear frame constituting a body, and a front and rear lower ends of the frame part. In the normal bicycle comprising a front wheel and a rear wheel coupled to the driving, and a drive means consisting of a pedal and a drive sprocket and a crankshaft coupled to the frame portion and the rear wheel to rotate the rear wheel, the same axis on one side of the drive sprocket A drive gear integrally coupled to and having a diameter somewhat smaller than its diameter; A ratchet driving part of the driving means engaged with the driving gear to continuously rotate the driving gear; In addition, the front fork of the steering unit, the rear end of the front frame and the rear end of the rear frame is coupled to both ends of the jump bike configured to further provide a plurality of shock absorbers that enable buffering and jumping jump bar This jumping bike provides a very effective bicycle in sports, exercise and play by allowing the user to jump by elasticity by shock absorbers or ball springs by pressing the weight.

This prior art has a problem in that the rear wheel side and the front wheel side is composed of different elasticity and the configuration is complicated, with the problem that the jumping is not made more effectively, and the manufacturing difficulties.

The inventors of the present invention have also proposed a more advanced jumping bike of No. 10-2008-067596 with the prior art.

This improved invention, unlike the conventional bicycle, the effect of the exercise through the jumping, leisure activities and the effect of supplementing the effective amount of exercise even in a narrow space and maximizing the fun to exercise a lot of exercise by extending the exercise time and one Hiking with a bicycle, you can enjoy jumping together, and the low cost of the feature is shown.

The present invention aims to further improve the inventor's prior jumping bike while also jumping and jumping on the tricycle for use with children.

The present invention hinges the front frame constituting the body and the rear frame having a pair of rear wheels to the hub formed in the front frame, the rear frame is provided by the elastic means consisting of the front frame and the coil spring or shock absorber Elastic jumping and jumping,

The steering frame and the front wheel connected to the headpipe are to be jumped and jumped by the elasticity of the front fork, the torsion spring and the coil spring so that the safety of the tricycle and children can meet the fun by jumping and jumping. .

When explaining the preferred configuration by the accompanying drawings of the present invention for achieving the above object in detail as follows.

1 is a perspective view of a bicycle showing a first embodiment of the present invention, FIG. 2 is a side view of FIG. 1 of the present invention, FIG. 3 is a perspective view showing a second embodiment of the present invention, and FIG. 4 is a third embodiment of the present invention. 5 is a perspective view showing a fourth embodiment of the present invention.

1 is a front perspective view of a bicycle having a saddle 11 and a head pipe 12 as shown in the overall perspective view of the first embodiment of FIG. 1 and a side view of FIG.

As shown in the figure, the steering shaft 22 and the integral steering frame 23 extending inwardly pass through the handle shaft 21 having the handle 20 through the front head 10. Direction.

In addition, the front fork 31 having the front wheel 30 hinged to the fastening bolt 25 installed on the hub 24 is fixed while fixing the hub 24 constituting the shaft by being fixed to the steering frame 23. .

The torsion spring 33 is fastened to the hub 24, and one end of the torsion spring 33 is fitted to the torsion spring fixing ring 34 fixed to the steering frame 23 and the other end to the front fork 31.

Both ends of the torsion spring 33 may be simply adhered to the torsion spring fixing ring 34 to be flowable or may be fixed by welding, fastening, or the like.

According to the present invention, the steering wheel 22 and the steering frame are interlocked with each other by being able to move forward and backward by driving the front wheel 30 by stepping on the pedal 35 and by adjusting the handle 20. 23 rotates the direction of the front fork 31, and the front wheel 30 by the front fork 31 rotates to select the traveling direction.

Then, the user seated on the saddle 11 presses or lifts the handle 20 together with the body using the weight, and then presses it again, so that the pressure caused by the load is transmitted to the steering unit 22 to apply the pressure to the hub 24. As the torsion spring 33 is compressed as a starting point, the upper side of the bicycle is lowered and the torsion spring 33, which is elastically reaching the lower point, raises the bicycle to achieve jumping and leaping. You can do with and after or together.

In addition, the hub 24 having the fastening bolt 25 is formed at the lower side of the front frame 10 to hingeably fasten the rear frame 40 provided in a pair or “∧” shape.

The rear frame 40 is fixed to the rear plate member 41 at the end side of the rear frame 40, and the rear frame 50 is hinged by the rear wheel shaft, which is not shown in the rear plate member 41. As a starting point, the front frame 10 freely moves up and down.

In addition, each bearing 42 is formed at a predetermined position on the lower surface and the rear frame 40 of the front frame 10, and the coil spring 43 hinged to the bearing 42 is engaged to exert elasticity. .

In addition, by further tightening the torsion spring 33 (not shown) to the hub 24 under the front frame 10 as in the above-described front wheel portion, the elastic force is increased or any one of the torsion spring 33 and the coil spring 42 is increased. One or both can be configured together.

The torsion spring 33 may secure the torsion spring fixing ring 34 to the front frame 10 and the rear frame 40 as described above to bond the torsion spring 33 to each other, or may be configured to be welded or bolted. .

Therefore, when the user sitting on the saddle 11 pressurizes the saddle 11 and the front frame 10, the front frame 10 descends and descends from the predetermined point where the front frame 10 descends and descends from the hub 24. While jumping, jumps are made or the rear frame 40 can jump together.

The coil spring 43 may be composed of one or two, as shown in Figure 4 and the quantity is naturally configured in consideration of the elasticity and aesthetics of the spring.

In addition, the coil spring 43 having a straight shape is intended to exhibit elasticity in the present invention as an example of exhibiting similar elasticity, it is natural that similar components such as shock absorbers can be used, such springs and shock absorbers, etc. It consists of elastic means.

The bearing 42 for fastening the coil spring 43 to the rear frame 40 is fastened to each rear frame 40 so that each rear frame 40 is separated from each other and interlocked or a pair of rear. Integral to the support member 44 for fixing the frame 40 can be configured integrally.

In the embodiment in which the rear frame 40 is separated and interlocked, it is a matter of course that the rear plate member 41 is omitted so that the rear wheels 50 are axially installed on the respective rear frames 40.

The second embodiment of the present invention has a saddle 11 and a head pipe 12 as described in the above-described first embodiment of the present invention as in the perspective view showing the second embodiment of the present invention of FIG. The front shaft 10 constituting the body and the head shaft 12 of the front frame 10 penetrates the steering shaft 22 inwardly through the handle shaft 21 having the handle 20 as is known. An integral steering frame 23 is configured in the rear direction to fasten the front fork 31 having the front wheels 30 hinged together with the hub 24, and the torsion spring 33 is fastened to the hub 24 so that the steering frame ( 23) is located rearward.

A third embodiment of the present invention is a perspective view showing a third embodiment of the present invention of FIG. 4 and a front frame including a saddle 11 and a head pipe 12 as described in the first embodiment. (10) and the front fork (31) hinged to the front wheel (30) through a handle shaft (21) consisting of a handle (20), as known, through the front (10) front end head pipe (12). To configure, but the front fork (31) to the elasticity is exerted to configure the coil spring 43 as known so that the bullet in the front fork (31) to be exerted.

The configuration of the coil spring 43 to the front fork (31) to exert the configuration is known in the known two-wheeled bicycle, in particular, because it is known in the prior art Patent Publication No. 10-2007-0036986 Detailed configuration description is omitted.

The fourth embodiment of the present invention is a head pipe fitted with a handle shaft 21 for interlocking the front fork 31 constituting the front wheel 30 hinged, as shown in a perspective view showing a fourth embodiment of the present invention of FIG. 12) integrally constitutes the rear frame 40 constituting the rear wheel 50 integrally, and forms the hub 24 and the fastening bolt 25 at the upper end of the rear frame 40 to form the saddle 11. Compared to the front frame 10 is configured by the hinge to the front frame 10 is configured to move up and down the hub 24

The coil spring 43 is formed on the bearing 42 of the lower portion of the front frame 10 and the bearing 42 of the rear frame 40 so that the front frame 10 has the hub 24 as a starting point, and the coil spring 43 It is configured to move up and down by expansion and contraction.

The configuration described in the above-described second, third, and fourth embodiments is the same as the configuration of the first embodiment in the configuration that is not described in the embodiment regarding the configuration of the modified portion of the first embodiment.

In addition, since the general configuration uses a known bicycle, a detailed description thereof is omitted, but a jumping means meeting the object of the present invention is an important component of the present invention.

Jumping bicycles of the present invention, unlike the conventional bicycles that were used only as a means of exercise or as a means of play with children or near-field means of movement, by adding more jumping, jumps to increase the enjoyment of riding of the bicycle and exercise by jumping, jumping, The effect of leisure activities and even in a small space can be effective to supplement the amount of exercise and maximize the fun to exercise a lot of exercise by extending the exercise time.

In addition, the present invention uses a conventional three-wheeled bicycle is easy to manufacture and can contribute to the buildup by maximizing the exercise along with the safety of the three-wheel and especially leisure by jumping, jumping.

Specific embodiments for the implementation of the present invention configured as described above will be described.

As shown in FIGS. 1 and 2, the user may step on the pedal 35 by using the foot while driving the pedal 35 while holding the handle 20 by sitting on the saddle 11 as in a known bicycle. When the front wheel 30 is rotated, the bicycle moves forward.

When the direction is changed, the steering wheel shaft 21 is rotated and the steering unit 22 and the steering frame 23 connected to the steering wheel shaft 21 are rotated by selecting the traveling direction by adjusting the steering wheel 20 direction as known. The front fork 31 connected to the steering frame 23 and the hub 24 is moved to rotate the front wheels 30 in the moving direction to switch directions.

In this process, the children of the present invention can use the tricycle as well as known and enjoy the play, such as jumping, jumping when you want to play more fun with this, and the user can load the handle (20) Press and press down to apply pressure to the handle 20 and the steering frame 23 by the pressurized weight, and when they are lowered, the hinge hub 24 side of the steering frame 23 and the front fork 30 at this time. The torsion spring 33 is compressed while being bent.

When the pressure is removed and the user also jumps together, the handle 20 is jumped upward by the elastic force of the torsion spring 33, and the front wheel 30 is also raised together so that the front part of the bicycle is lifted from the ground. You will be able to jump.

Such jumping and jumping is a case of climbing the stairs or jumping only the front part of the bicycle, and at the same time, when the saddle 11, that is, the upper body part is pressed together, the saddle 11 and the front frame 10 are pressed to the front. The frame 10 is bent together with the rear frame 40 hinged by the front end hub 25 and the front frame 10 is lowered by compressing the coil spring 43 configured on the lower side.

Then, after compressing to a certain distance, the coil spring 43 is spun by the repulsive force of the coil spring 43, the front frame 10 is soared and jumped together with the saddle (11).

In this case, when the user jumps and jumps together, a higher jumping can be achieved, and when the pressure is small, the user can produce a phenomenon of reciprocating up and down by elasticity and weight of the coil spring 43.

As such, the swinging phenomenon generated by the repetition of the spring's elasticity along with the fun of jumping and leaping increases the fun by feeling as if the user is riding a horse. In particular, by maximizing the digestion of the body and the stress relief in the state muscles can greatly contribute to health.

This process can be carried out continuously so that you can jump and jump in place, jump, and jump to enjoy more exciting games. Of course you can enjoy it.

According to the second embodiment of the present invention, when the front wheel 30 is rotated by stepping on the pedal 35 using the foot while sitting on the saddle 11 and holding the handle 20 as in the first embodiment, the bicycle is When advancing and changing the direction, the direction of rotation and rotation by selecting the direction of travel by adjusting the direction of the handle 20, as known

The user presses the handle 20 by the load using the arm and the upper body and pushes the handle 20 downward, and the torsion spring 33 is bent by the hinge hub 24 side of the steering frame 23 and the front fork 30 by the pressure. Compressed and at the same time when the saddle 11, that is, when the pressure is also applied to the upper body portion is pressed down by compressing the coil spring 43 received the pressure on the saddle 11 and the front frame 10.

And after the compression to a certain distance and the coil spring 43 is repulsed by the repulsive force of the coil spring 43, the front frame 10 is soared to jump with the saddle (11).

This second embodiment is an embodiment in which the configuration of the first embodiment is the same, but the direction of the steering frame 23 is changed back and forth.

The third embodiment of the present invention is configured to act the same as the first and second embodiments, but there is a difference in configuration by coping with the coil spring 43 to the front fork 31, but the effect is the same.

In the fourth embodiment of the present invention, as shown in the perspective view of the fourth embodiment of the present invention, the handle shaft 21 for interlocking the front fork 31 constituting the front wheel 30 is fitted. The rear frame 40 is integrally formed with the head pipe 12 and the rear frame 40 is integrally formed, and the hub 24 and the fastening bolt 25 are formed at the upper end of the rear frame 40 to form a saddle 11 The front frame 10 having a hinge configuration is configured so that the front frame 10 is raised and lowered from the hub 24 as a starting point.

Then, the coil spring 43 is formed on the bearing 42 of the lower part of the front frame 10 and the bearing 42 of the rear frame 40 so that the front frame 10 has the coil 24 as a starting point. 43) is configured to move up and down movement.

Accordingly, when the front wheel 30 is rotated by stepping on the pedal 35 by using the foot while sitting on the saddle 11, the bicycle moves forward, and when the direction is changed, the handle 20 is known. By adjusting the direction and selecting the direction of travel, the bicycle can be advanced by turning the direction.

And when jumping and leaping, as described above, the user presses the handle 20 with the load using the arm and the upper body and pushes the lower portion to the lower portion of the hinge hub of the front fork 30 and the rear frame 40 by the pressure. As the front frame 10 hinged at the side of 24 is bent, the coil spring 43 of the front fork 31 and the coil spring 43 between the rear frame 40 and the front frame 10 are compressed and compressed. The handle 20 and the front frame 10 are elastically lifted up and down by elasticity due to the repulsive force, so that jumping and jumping are possible.

As described above, the jumping is carried out before and after each or together, and the pressing force is weakly to obtain a riding effect. The process can be continuously performed to jump and jump in place. It is possible to enjoy a more exciting play, such that the user can enjoy the various types of play not shown above by hone their skills.

The configuration described in the above-described second, third, and fourth embodiments is the same as the configuration of the first embodiment in the configuration that is not described in the embodiment of the configuration of the modified portion of the first embodiment.

In addition, since the general configuration uses a known bicycle, a detailed description thereof is omitted, but a jumping means meeting the object of the present invention is an important component of the present invention.

The coil spring 43 described in the present invention may be configured in parallel with the shock absorber (not shown), or may be configured by selecting any one, and it is natural that a coiling means capable of maximizing jumping force can be used.

1 is an overall perspective view of a bicycle showing a first embodiment of the present invention.

Figure 2 is a side view of the present invention Figure 1;

Figure 3 is a perspective view showing a second embodiment of the present invention.

Figure 4 is a perspective view showing a third embodiment of the present invention.

5 is a perspective view showing a fourth embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

10: front frame 11: saddle 12: headpipe

20: handle 21: handle shaft 22: steering portion

23: steering frame 24: hub 25: fastening bolt

30: front wheel 31: front fork 33: torsion spring

34: torsion spring fixing ring 35: pedal 40: rear frame

41: back plate member 42: bearing 43: coil spring

44: support member 50: rear wheel

Claims (3)

In a conventional three-wheeled bicycle which pedals the front wheels and interlocks the front wheels and the rear wheels to the rear frame 40 connected to the front frame 10 and the handle 20 formed on the head pipe 12, The front fork 31 is hinged by forming the steering frame 23 and the hub 24 on the steering shaft 22 of the handle shaft 21 penetrating the head pipe 12 of the front frame 10 constituting the body. And by tightening the torsion spring (33) and the front fork (31) to elastically install, The rear frame 40 with the rear wheels 50 moves up and down on the hub 24 provided on the front frame 10, and the coil springs 43 are formed on the bearings 42 of the front frame 10 and the rear frame 40. 3) The three-wheeled jumping bike, characterized in that the front frame 10 is configured to move up and down by the coil spring () by the elasticity of the coil spring (43). The method of claim 1, The handle shaft 21 penetrates the head pipe 12 of the front frame 10 constituting the body to form a front fork 31 hinged to the front wheel 30, so that elasticity is exerted on the front fork 31. Three-wheeled jumping bike characterized in that the coil spring (43). The method of claim 1, The rear frame 40 constituting the rear wheel 50 is integrally formed on the head pipe 12 into which the handle shaft 21 is fitted, and the hub 24 and the fastening bolt 25 are connected to the front end of the rear frame 40. By configuring the hinge with the front frame 10 having a saddle 11, Three-wheel jumping bike, characterized in that the front frame 10 is moved up and down by constructing the coil spring 43 on the bearing 42 of the front frame 10 and the rear frame 40.

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