KR20210004901A - Foldable vehicle with cushioning function - Google Patents

Abstract

An object of the present invention is to provide a moving means which is implemented by adding a shock absorbing function to the prior art (Korean Patent application No. 10-2019-0017658), thereby exhibiting enhanced riding comfort. To this end, the moving means comprises: a handle control part including a handle configured to be held by a hand, a handle frame having one end coupled to a middle area of the handle and the other end extending downward, and a front wheel coupled to a lower end of the handle frame; a connection frame including a first connection frame having one end coupled to the handle frame and a second connection frame having one end coupled to a lower area or a middle area of the first connection frame and the other end extending downward; a saddle part including a saddle frame having one end coupled to an upper portion of the first connection frame and the other end extending rearward and configured to vertically rotate, and a saddle coupled to the rear of the saddle frame; a body part including one end coupled to the other end of the second connection frame and the other end extending between lower and rear portions; a rear wheel coupled to the other end of the body part; a footrest part coupled to the body part; and a shock absorbing part including one end coupled to a middle area or the other end of the saddle frame and the other end coupled to a body part area disposed at the bottom of the saddle frame.

Description

Folding vehicle with cushioning function {Foldable vehicle with cushioning function}

The present invention relates to a folding moving means having a cushioning function, and more particularly, to a folding moving means capable of absorbing shock or vibration transmitted from the road surface while driving while being able to selectively fold the moving means.

In general, the means of movement refers to a mechanism for moving a passenger or by loading various items, and may include a bicycle or a scooter. This moving means is composed of two and three wheels.

Conventional tilting three-wheeled transportation means it is inconvenient to hold the center during driving, and non-tilting three-wheeled transportation means there is a risk of overturning when driving on a corner. As a solution to this, when driving a corner, it tilts and goes straight. A prior art technology (Patent Application No. 10-2019-0017658) that is easy to center when driving or when driving at low speeds has been developed, but it is bulky, so portability and storage are poor, and it can absorb shock and vibration transmitted from the road surface during driving. There was a problem that the buffering effect was inferior. Therefore, the existing prior art (Patent Application No. 10-2019-0017658) needs to be improved to improve portability, storage and cushioning effect.

The present invention was conceived to solve the conventional problems as described above, and an object of the present invention is to provide a moving means having a reduced volume by folding in a moving means to which the prior art (application number 10-2019-0017658) is applied. It has a purpose.

In addition, in the moving means to which the prior art (application number 10-2019-0017658) is applied, an object of the present invention is to provide a moving means having an improved buffering effect by absorbing vibrations and shocks transmitted from the road surface during driving.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems to be solved by the present invention not mentioned here are those of ordinary skill in the technical field to which the present invention belongs from the following description. Will be clearly understood.

In order to achieve the above object, the present invention is configured to include a handle configured to be grasped by hand and a handle frame having one end coupled to the middle portion of the handle and extending downward and a front wheel coupled to the lower end of the handle frame. Handle operation unit; A connection frame including a first connection frame having one end coupled to the handle frame and a second connection frame having one end coupled to a lower or intermediate portion of the first connection frame and the other end extending rearward; A saddle part including a saddle frame having one end coupled to the upper portion of the first connection frame and the other end being rotatable up and down while extending rearward and a saddle coupled to the rear of the saddle frame; A body portion having one end coupled to the other end of the second connection frame and the other end extending between the lower and rear ends; A rear wheel coupled to the other end of the body;

A footrest portion coupled to the body portion; And a shock absorber having one end coupled to the middle portion or the other end of the saddle frame, and the other end coupled to the body portion positioned below the saddle frame. It characterized in that it is configured to include.

In addition, when the body part is folded toward the handle operation part, the gap between the shock absorbing part and the other end of the second connection frame is narrowed.

In addition, the position of the saddle frame portion to which the shock absorber is coupled is characterized in that it is located behind the rear end of the second connection frame.

In addition, the length from the shock absorbing portion coupled to the body portion to the shock absorbing portion coupled to the saddle frame is longer than the length from the body portion coupled to the second connection frame to the body portion coupled to the shock absorber. It is characterized.

According to an embodiment of the present invention, the folding moving means is a moving means to which the prior art (application number 10-2019-0017658) is applied, and by folding to minimize the volume, portability and storage are improved.

In addition, it can be folded so that the front and rear wheels are in contact with the ground. In addition, it has the effect of being able to drag it easily by tilting it backward so that only the rear wheel is in contact with the ground.

In addition, there is an effect of improving the cushioning effect by absorbing vibration or shock transmitted from the road surface during driving.

The effects of the present invention are not limited to the effects mentioned above, and other effects that are not mentioned will be clearly understood by those skilled in the art from the description of the claims.

In Figure 1 a is a side view of a folding moving means according to an embodiment of the present invention.
1, b is a plan view of a scaffolding part in a first embodiment of the present invention.
2 is a side view of a state in which the shock absorber is compressed in the first embodiment of the present invention.
Fig. 3 is a side view of the body part when it is raised after folding it toward the handle operation part in the first embodiment of the present invention.
Figure 4 is a rear view of the main part for explaining the length adjustment unit in the first embodiment of the present invention.

Hereinafter, some embodiments of the present invention will be described in detail through exemplary drawings. In adding reference numerals to elements of each drawing, it should be noted that the same elements are assigned the same numerals as possible even if they are indicated on different drawings. In addition, in describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the subject matter of the present invention, a detailed description thereof will be omitted.

In addition, in describing the constituent elements of the present invention, terms such as first, second, A, B, (a), (b) may be used. These terms are only used to distinguish the component from other components, and the nature, order, or order of the component is not limited by the term. When a component is described as being "connected", "coupled" or "connected" to another component, the component may be directly connected or connected to that other component, but another component between each component It should be understood that elements may be “connected”, “coupled” or “connected”.

Prior to the description of the embodiments of the present disclosure, the folding means may be a three-wheeled scooter or a three-wheeled bicycle, and the three-wheeled scooter is used as an example.

Foldable moving means according to the present invention, as shown in Figure 1, the handle operation portion 10, the connection frame 20, the saddle portion 30, the body portion 40, the footrest portion 50, the rear wheel 60 ) And a shock absorbing unit 70.

In the embodiment of the present invention, the handle operation unit 10 is composed of a handle frame 14, a handle 11, and a front wheel 15.

In the embodiment of the present invention, the handle 11 is composed of a first handle 12 and a second handle 13.

In an embodiment of the present invention, the first handle 12 is configured such that both ends extend in both sides, and a portion extending in both sides is configured so that the user can board and hold it with his hand.

In the embodiment of the present invention, the second handle 13 has one end coupled to the middle portion of the first handle 12 and the other end extends rearward. And as it goes from one end to the other, it is configured to move downward little by little.

In the embodiment of the present invention, the handle frame 14 has one end coupled to the other end of the second handle 13 and the other end extending downward. And the lower part penetrates through the connection frame 20 to be described later, protrudes downward from the connection frame 20, and the portion located under the connection frame 20 is configured to be open to both left and right, so that the front wheel 15 to be described later can be fitted. It is structured.

In the embodiment of the present invention, the front wheel 15 is fitted between the gapped lower portion of the handle frame 14, and is provided as one so as to be tiltable during corner driving.

In more detail, the front wheel 15 is coupled to the lower portion of the handle frame 14 through the central shaft 16. Here, the front wheel 15 may be provided with an electric motor that is supplied with power from a battery rather than a manpower drive.

In the embodiment of the present invention, the connection frame 20 is composed of a first connection frame 21 and a second connection frame 22.

In the embodiment of the present invention, the first connection frame 21 is extrapolated to the upper and intermediate portions of the handle frame 14. That is, the middle portion and the upper portion of the handle frame 14 are fitted to the first connection frame 21 to be rotated left and right.

In an embodiment of the present invention, the second connection frame 22 has one end fixedly coupled to the lower portion of the first connection frame 21 and the other end is configured to extend rearward.

In the embodiment of the present invention, the saddle part 30 is composed of a saddle frame 31 and a saddle 32.

In the embodiment of the present invention, the saddle frame 31 has one end hinged to the top of the first connection frame 21. And the other end is configured to be rotatable in the vertical direction while extending to the rear of the other end of the second connection frame 22.

In the embodiment of the present invention, the saddle 32 is configured in the same shape as a normal electric scooter saddle and is fixedly coupled to the rear of the saddle frame 31 so that the occupant can sit.

In the embodiment of the present invention, the body portion 40 is composed of a first body portion 41 and a second body portion 42.

In an embodiment of the present invention, the first body part 41 has one end coupled to the lower end of the second connection frame 22 and the other end slightly extended rearward from the portion coupled to the second connection frame and then bent downward and rearward. It is configured to extend between. And it is configured to be able to fold the other end toward the handle operation unit (10).

When the area between the lower part of the second connection frame 22 and the lower part of the first body part 41 is extended by a certain angle, the upper part of the bent part of the first body part 41 is caught by the lower part of the second connection frame 22 and is no longer It is configured not to be unfolded.

The first body part 41 is provided with a hole through the front and back at the other end, and the hole is configured to be slightly upward from the front to the back, so that the other end of the first body part 41 is coupled to the second body part 42 to be described later. It is structured to be able to.

In the embodiment of the present invention, the second body portion 42 is configured to rotate up and down while the middle portion is coupled to the other end of the first body portion 41 and both ends extend in both sides.

The structure in which the second body part 42 is coupled to the first body part 41 will be described as follows.

A pair of coupling plates 43 slightly protruding upwards are provided at the front and rear of the middle portion of the second body 42, and holes penetrated back and forth are provided in the coupling plate 43. The hole is configured to move upward little by little from the front to the rear.

Insert the other end of the first body part 41 between both coupling plates 43 and then insert a pin into the hole provided in the first body part 41 and the coupling plate 43 to insert the first body into the second body part 42. Combine the part 41. In addition, the first body part 41 is configured to be tiltable in both sides with a pin as a central axis.

In the embodiment of the present invention, the rear wheel 60 is rotatably coupled to both ends of the second body 42.

The rear wheels 60 are coupled to both ends of the second body part 42, so that the handle operation part 10, the saddle part 30, the connection frame 20, the shock absorbing part 70, the footrest part 50 and the first When the body part 41 is inclined laterally, the second body part 42 is not inclined laterally.

That is, the steering wheel control unit 10, the connection frame 20, the first body part 41, the shock absorbing part 70, the footrest part 50 and the saddle part 30 are the parts of the front wheel 15 in contact with the ground. In the first body portion 41 coupled to the second body portion 42 in a straight line (hereinafter referred to as a tilting center axis (p)) is configured to be inclined to the rotation center axis.

In the embodiment of the present invention, the scaffolding part 50 is composed of a scaffolding frame 51 and a scaffolding 52.

In the embodiment of the present invention, the footrest frame 51 is configured such that the intermediate portion is coupled to the side of the portion close to the other end of the first body portion 41, and the other end extends rearward and then slightly protrudes from the rear end to both sides. And one end is extended to the front, but spread to both sides at a portion close to the one end, and then configured to extend forward, so that the footrest part 50 is folded toward the first body part 41 and the body part 40 toward the handle operation part 10 The second connection frame 22 is configured to be fitted between the scaffolding frames 51 that are opened when folded. That is, the scaffolding frame 51 is configured to open to both sides at a portion close to one end and then extend forward.

In the embodiment of the present invention, the scaffold 52 slightly extends in both sides from the front end of the scaffold frame 51, and the portion extending in both sides is formed in a round bar shape, so that the occupant can put their feet on it.

The length from the portion of the first body portion 41 to which the footrest portion 50 is coupled to one end of the footrest portion 50 is from the portion of the first body portion 41 to which the footrest portion 50 is coupled to the other end of the footrest portion 50 It is configured longer than the length.

In the embodiment of the present invention, the connection member 80 is configured to connect the other end of the footrest part 50 to the second body part 42. The description of the configuration in which the other end of the footrest part 50 and the second body part 42 are connected by the connecting member 80 is described in detail in the prior art (patent application number: 10-2019-0017658), and here is a detailed description. Is omitted and only the connected structure is briefly described.

The connecting member 80 is composed of a pair. And one end is coupled to both ends extending from the other end to both sides of the scaffolding frame 50, and the other end is located below the other end of the scaffolding frame 50, and the second body part located on both sides of the tilting central axis (P) Each is bound to the (42) site. In a state in which the handle manipulation part 10 and the first body part 41 are not inclined laterally, tension is applied to both connecting members 80.

This connecting member 80 may be composed of a variable member whose shape is variable without increasing its length when an external force is applied. In the embodiment of the present invention, the connecting member 80 is suggested to be composed of a Dyneema rope.

The connecting member 80 may be provided as described above, but when the footrest part 50 is fixedly coupled to the second body part 42, the connecting member is not provided.

If the lengths of both connecting members 80 are not the same, the handle operation unit 10 and the body unit 40 are inclined toward the shorter length of the connecting member 80.

Therefore, a length adjustment part 81 for adjusting the length of the connection member 80 may be further provided.

Of course, the length adjustment unit may not be provided.

The length adjustment part 81 may be coupled to one of both ends of the connection member 80. In an embodiment of the present invention, the length adjustment part 81 is coupled to an end located on the second body part 42 side.

When the length adjustment part 81 is provided, a hole penetrated up and down is provided in the part located on the side where the length adjustment part 81 is provided among the second body part 42 located on both sides of the tilting center axis p. .

The length adjustment part 81 is composed of a pair of ring parts 82 and nuts 83.

The ring portion 82 is configured such that the connecting member 80 can be coupled by providing a hole through the front and back at the top. And the lower part is composed of a cylindrical shape and a male screw is provided on the outer peripheral surface of the cylinder. The length adjustment part 81 is fixed to the second body part 42 by inserting the male screw part into the hole provided in the second body part 42 and attaching the nut 83 to the male screw part located above the hole and below the hole. Let it. And it is configured to be able to adjust the length of the connecting member 80 by moving the ring portion 82 in the vertical direction by the operation of loosening and tightening the nut 83.

In an embodiment of the present invention, the shock absorbing unit 70 is configured to absorb shock or vibration transmitted from the road surface during driving.

In an embodiment of the present invention, the shock absorbing unit 70 is composed of a suspension coupled to a general bicycle or electric scooter.

The shock absorbing part 70 has one end hinged to a lower portion close to the other end of the saddle frame 31, and the other end is hingedly coupled to an intermediate portion of the first body part 41 so that one end and the other end are rotatable. And when a shock or vibration is transmitted from the road surface while driving, the other end of the saddle 30 is moved downward and the shock absorbing part 70 is compressed to absorb the shock.

When the position of the saddle frame 31 to which the shock absorbing part 70 is coupled is configured to be located in front of the rear end of the second connection frame 22, shock absorption when the body part 40 is folded toward the handle operation part 10 Since the part 70 is caught by the second connection frame 22, the rear wheel 60 cannot be folded up to the front wheel 15. Therefore, the position of the saddle frame 31 to which the shock absorbing unit 70 is coupled is configured to be located at the rear of the other end of the second connection frame 22.

In addition, the length from the portion of the shock absorbing portion 70 coupled to the first body portion 41 to the portion of the shock absorbing portion 70 coupled to the saddle frame 31 is the first coupled to the second connection frame 22 The first body part 41 is formed longer than the length from the body part 41 to the first body part 41 to which the shock absorbing part 70 is coupled, and when the body part 40 is folded toward the handle operation part 10 ) It is configured so that the top is not caught on the saddle frame (31).

When the shock absorbing part 70 is combined as described above and the body part 40 is folded toward the handle operation part 10, the other end of the shock absorbing part 70 is moved downward and forward, so that the second connection frame 22 and the other end The gap between the saddle frame is narrowed, and the gap between the other end of the second connection frame 22 and the other end of the shock absorber 70 is also narrowed.

When the body portion 40 is folded toward the handle operation portion 10, a clasp portion 90 composed of a hook portion 91 and a locking portion 92 is further provided so that the body portion 40 does not open by itself.

In the embodiment of the present invention, the hook portion 91 is coupled to the side of the second connection frame 22 portion close to one end of the first body portion 41, and the other end is slightly extended downward and then bent 90 degrees to slightly extend forward. It is structured. And the other end is configured to be rotatable back and forth.

In the embodiment of the present invention, the locking part 92 is the first body located in the moving path of the part of the hook part 91 that is bent when the body part 40 is folded toward the handle operation part 10 and then the hook part 91 is rotated. It is configured to protrude slightly laterally from the side of the portion 41. The protruding part is configured to be caught by the hook part 91 when the body part 40 is folded toward the handle operation part 10 and then the hook part 91 is rotated. After folding the handle operation part 10 and the body part 40, the hook part 91 is fastened to the locking part 92 so that the handle operation part 10 and the body part 40 are not unfolded.

The process of folding the means of transportation is as follows.

The handle operation unit 10 is rotated 180 degrees. One end of the footrest part 50 is folded toward the first body part 41, and then the rear wheels 60 are folded up to the front wheels 15. The hook part (91) is hooked to the hook part (92) and erected.

As described above, it can be folded and stood, and only the rear wheels 60 can be brought into contact with the ground by the operation of tilting the handle operation unit 10 and the body unit 40 to the rear and can be dragged and moved.

In addition, since the shock absorbing unit 70 is provided as described above, the shock absorbing unit 70 absorbs the shock or vibration transmitted from the road surface during driving, thereby improving the riding comfort.

As described above, it will be understood that the technical configuration of the present invention described above can be implemented in other specific forms without changing the technical spirit or essential features of the present invention by those skilled in the art.

Therefore, the embodiments described above are to be understood as illustrative and non-limiting in all respects, and the scope of the present invention is indicated by the claims to be described later rather than the detailed description, and the meaning and scope of the claims and the All changes or modifications derived from the equivalent concept should be interpreted as being included in the scope of the present invention.

10; Handle control part 11: handle
12: first handle 13: second handle
14: handle frame 15: front wheel
16: central axis 20: connecting frame
21: first connection frame 22: second connection frame
30: saddle part 31: saddle frame
32: saddle 40: body
41: first body part 42: second body part
43: coupling plate 50: footrest
51: scaffolding frame 52: scaffolding
60: rear wheel 70: shock absorber
80: connecting member 81: length adjustment unit
82: ring portion 83: nut
90: clasp 91: clasp
92: locking part P: tilting center axis

Claims (4)

A handle configured to be gripped by hand and a handle frame having one end coupled to the middle portion of the handle and the other end extending downward, and a front wheel coupled to the lower end of the handle frame;
A connection frame including a first connection frame having one end coupled to the handle frame and a second connection frame having one end coupled to a lower or intermediate portion of the first connection frame and the other end extending rearward;
A saddle part having one end coupled to the upper portion of the first connection frame and the other end extending rearward and including a saddle frame configured to be rotatable vertically and a saddle coupled to the rear of the saddle frame;
A body portion having one end coupled to the other end of the second connection frame and the other end extending between the lower and rear ends;
A rear wheel coupled to the other end of the body;
A footrest portion coupled to the body portion; And
A shock absorber having one end coupled to the middle portion or the other end of the saddle frame and the other end coupled to the body portion positioned below the saddle frame;
Foldable moving means, characterized in that configured to include. The method of claim 1,
Foldable moving means, characterized in that the position of the saddle frame portion to which the shock absorber is coupled is located behind the rear end of the second connection frame. The method of claim 1.
The length from the shock absorbing portion coupled to the body portion to the shock absorbing portion coupled to the saddle frame is from the body portion coupled to the second connection frame to the body portion coupled to the shock absorbing portion Foldable moving means, characterized in that configured longer than the length. The method of claim 1,
Foldable moving means, characterized in that when the body part is folded toward the handle operation part, the gap between the shock absorbing part and the other end of the second connection frame is narrowed.

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