KR101841850B1 - Foldable trailer - Google Patents

Abstract

The present invention relates to a foldable trailer and, more specifically, to a foldable trailer which mainly comprises a frame, a storage unit, and a shaft. After the foldable trailer is used by being unfolded in accordance with operation of a user, the foldable trailer is folded to narrow the whole width of the trailer, and the shaft is moved backwards to reduce the whole length. Therefore, the foldable trailer can be easily stored and carried.

Description

Foldable Trailer {FOLDABLE TRAILER}

The present invention relates to a folding trailer.

Concretely, since the entire length of the trailer can be narrowed by folding and using the frame, the storage portion, and the shaft, and the shaft can be retracted to reduce the entire length. And a foldable trailer which is easy to carry.

Trailers are useful for placing and transporting goods, goods, products and other goods. Such a trailer was originally developed in the form of a change from a hand-drawn barrel, and is configured to be able to move through a power transmission means such as a vehicle, so that there is an advantage that it is easy to mount and move a large amount of articles.

However, in the case of the above-described trailer, since the size of the trailer is very large, it is difficult to store the trailer when it is not used. In this case, maintenance is very difficult due to corrosion due to oxidation due to contact with air. In order to overcome this problem, a cover for a trailer has been developed. However, It is a difficult situation.

However, when the trailer is constructed as a prefabricated structure, since each constitution is separated as it is constituted by a built-up type, it is difficult to secure a supporting force when a heavy article is stowed, and it is very difficult to secure a moving force even when moving using a power transmission means .

In order to solve the above-described problems, Japanese Patent Application Laid-Open No. 10-2013-0004288 discloses a folding type multi-purpose trailer.

The technique is a collapsible foldable utility trailer for transporting and / or storing articles, the trailer comprising a support chassis frame; Suspension means for supporting the chassis frame; And lower end means comprising a plurality of lower end portions including a first lower end portion and a second lower end portion, said lower end means being retained on said chassis frame for receiving said article, The portion comprises: i) a first planar lower base member for receiving an article on an upper surface thereof; And ii) a pair of opposing first under side walls mounted on said first under side member; (b) said second under side part comprises: i) a second planar lower side member for receiving an article on an upper side; ii) a pair of opposed second lower side walls mounted on said second lower member; And iii) a second lower end wall mounted between said pair of opposed second under side sidewalls to said second under side member, wherein said second under side wall The second flat base member is hinged to the first flat base member between the pair of opposed second base side walls and between the pair of opposed first base side walls, As shown in FIG.

In summary, the technique is to separate the storage area and fold it into a box shape, which allows the storage of the trailer to be partially beneficial through folding of the storage area and folding of the frame, There is a problem that the width can not be adjusted.

Published Japanese Patent Application No. 10-2013-0004288 (Mar.

An object of the present invention is to provide a trailer which is mainly composed of a frame, a storage portion, and a shaft, which is used by being unfolded according to a user's operation and is folded to narrow the overall width of the trailer, Storage and portability of the trailer.

According to an aspect of the present invention, there is provided a folding trailer comprising: a frame; A storage part 20 formed on the upper side of the frame 10; And a shaft (30) configured to move along the frame (10), wherein the frame (10) is folded and unfolded by operation, the storage part (20) And the shaft 30 is advanced and retracted according to the operation, whereby the overall width and length of the shaft 30 are adjusted when folded.

At this time, the frame 10 includes a U-shaped frame 11 consisting of two pairs; A supporting frame 12 connected to one side of the U-shaped frame 11 and slidable along one side of the U-shaped frame 11; A moving frame (13) connected to the support frame (12); A shaft 14 formed at one side of the U-shaped frame 11; And an auxiliary frame (15) having one end connected to the shaft (14) and the other end connected to the moving frame (13), wherein the grooves are formed on mutually facing surfaces of the U- .

In addition, the frame 10 is characterized in that the moving frame 13 is folded while being adjacent to the U-shaped frame 11 by the auxiliary frame 15.

'의 형상으로 구성되며, 상기 중심뼈대의 일단에는 연결부(31)가 더 포함되는 것을 기술적 특징으로 한다.In addition, the shaft 30 may include a square skeleton and a central skeleton across the square skeleton,

', And a connecting part 31 is further included at one end of the central skeleton.

At this time, the square skeleton is slid along the groove of the U-shaped frame 11 so that the shaft 30 is moved forward or backward.

The storage unit 20 includes a shielding plate 21 connected to the U-shaped frame 11 through a first fixing unit 211 and formed of two pairs; A bottom plate (22) connected to one of the shielding plates (21) and the other shielding plate (21) to close the floor; And a first movable storage part (23a) and a second movable storage part (23b) formed at both ends of the bottom plate (22) in the four directions which are not closed by the covering plate (21) The first movable storage portion 23a and the second movable storage portion 23b are slid along the blind palm 21 and connected to the moving frame 13 through the second fixed portion 231, The first movable storage portion 23a and the second movable storage portion 23b are adjacent to each other so that the movable frame 13 is slid toward the central portion of the bottom plate 22 in accordance with the folding of the movable frame 13 .

The first movable storage portion 23a and the second movable storage portion 23b each include a door 232 and a door shaft 233 for opening and closing the door 232, .

Further, a technical feature is that a main wheel is formed on one side of the moving frame 13. [

The auxiliary wheel portion 40 is formed at the rear end of the U-shaped frame 11, and the auxiliary wheel portion 40 is formed at one side of the shaft 30. As shown in FIG.

At this time, the auxiliary wheels 40 include auxiliary wheels 41 contacting the ground surface. A auxiliary wheel shaft 42 connected to the auxiliary wheel 41; And a auxiliary wheel handle 43 connected to the auxiliary wheel axle 42. The auxiliary wheel axle includes a horizontal axis in the direction of the arrow and a vertical axis in the direction of the arrow I.

According to the folding trailer of the present invention, since it can be folded when not in use, it is advantageous in that it can be easily stored, carried and moved.

Further, in the folding of the trailer, the whole width can be adjusted and the length can be adjusted, which is an advantage that the storage space can be efficiently created.

1 shows a folding trailer according to the present invention in an unfolded state.
2 shows a folding trailer according to the present invention in a folded state.
3 shows a folding trailer according to the present invention viewed from a different direction.
4 is a side view of the folding trailer according to the present invention.

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and the inventor can properly define the concept of the term to describe its invention in the best possible way And should be construed in accordance with the principles and meanings and concepts consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents And variations are possible.

Before describing the present invention with reference to the accompanying drawings, it should be noted that the present invention is not described or specifically described with respect to a known configuration that can be easily added by a person skilled in the art, Let the sound be revealed.

The present invention relates to a folding trailer.

Concretely, it is constituted mainly of a frame, a storage portion and a shaft, and is used by spreading it according to a user's operation. By folding, the width of the storage portion can be narrowed and the shaft can be retracted to reduce the entire length. The present invention relates to a folding trailer which is easy to carry.

The present invention will be described below with reference to the accompanying drawings.

First, the attached drawings will be described as follows.

FIG. 1 shows a folding trailer according to the present invention in an open state, FIG. 2 shows a folding trailer according to the present invention in a folded state, and FIG. 3 shows a folding trailer according to the present invention in a different direction.

4 is a side view of the folding trailer according to the present invention.

The folding trailer according to the present invention mainly includes a frame 10, a storage portion 20, and a shaft 30.

At this time, the folding trailer according to the present invention can be applied to various aspects such as camping, general storage, or other applications (agriculture, mountain).

3, the frame 10 has a U-shaped frame 11, a supporting frame 12 connected to one side of the U-shaped frame 11, A movable frame 13 connected to the support frame 12 and a shaft 14 formed at one side of the U-shaped frame 11 and having one end connected to the shaft 14 and the other end connected to the movable frame 13 And an auxiliary frame 15 connected to the auxiliary frame 15.

At this time, the pair of the U-shaped frames 11 are configured such that one pair of the pair faces each other, and a groove is formed on the facing surface.

The supporting frame 12 is connected to the U-shaped frame 11 so as to be slidable along one side of the U-shaped frame 11 in contact with one side of the U-shaped frame 11. That is, although not shown in the accompanying drawings, it is preferable to include a guide and a groove (not shown) for sliding the support frame 12.

The supporting frame 12, the moving frame 13, the shaft 14 and the auxiliary frame 15 are each formed by a pair of C-shaped frames 11, It is folded by the shaft 14 and the auxiliary frame 15 so as to be adjacent to the U-shaped frame 11.

'의 형상으로 구성되며, 즉 사각뼈대와 이 사각뼈대를 가로지르는 중심뼈대로 구성된다.At this time, the shaft 30 '

', Consisting of a rectangular skeleton and a central skeleton across the square.

At this time, both sides of the rectangular skeleton of the shaft 30 are inserted into the grooves formed in the U-shaped frame 11 (see the enlarged view of FIG. 3), and the rectangular skeleton is moved along the grooves.

And a connecting portion 31 connected to a vehicle or the like may be formed at one end of the center frame. In addition, a cylinder is provided at one end of the connecting portion 31 of the central skeleton, so that the length of one end of the connecting portion 31 of the shaft 30 can be partially adjusted when the connecting portion 31 is connected to a vehicle or the like.

The storage unit 20 is mounted on the upper side of the frame 10 and mainly includes a cover plate 21, a bottom plate 22 and first and second movable storage units 23a and 23b.

The shielding plate 21 is formed on the front side and the rear side with respect to the frame 10 so that the two sides are formed as a pair. The shielding plate 21 may be connected to the U-shaped frame 11 through the first fixing part 211.

The bottom plate (22) is configured as a plate which finishes the floor so as to be connected from the front to the rear of the covering plate (21).

The first movable storage portion 23a and the second movable storage portion 23b are formed at both ends of the bottom plate 22 which are not closed by the covering plate 21 out of the four directions, The first movable storage portion 23a and the second movable storage portion 23b are configured to be movable along one side of the cover plate 21.

In this case, as shown in FIG. 1, it may be possible to configure the first and second movable storage portions 23a and 23b so that the length of the first and second movable storage portions 23a and 23b does not exceed the shielding plate 21, without a separate guide and groove. Of course, a separate guide and groove structure may be provided.

The first movable storage unit 23a will be described as follows. Since the second movable storage portion 23b is configured the same as the first movable storage portion 23a, it is replaced with the following description.

The first movable storage portion 23a is connected to the movable frame 13 through the second fixing portion 231. [

The first movable storage unit 23a is configured to store a predetermined article. The first movable storage unit 23a includes a door 232 and a door shaft 233 for opening and closing the door 232, . ≪ / RTI >

The first movable storage portion 23a can be moved toward the center portion of the bottom plate 22 while the movable frame 13 is being folded.

Accordingly, the first movable storage portion 23a and the second movable storage portion 23b may be in a state of being folded as shown in FIG. 2 while being adjacent to each other.

At this time, the entire width of the trailer can be narrowed by folding the movable frame 13 and the movable storage parts 23a and 23b, and the length of the trailer can also be adjusted.

The folding trailer according to the present invention may further include a auxiliary wheel unit 40. The auxiliary wheel unit 40 cuts the rear end of the U frame 11 to the rear side of the U frame 11 And one end of the connecting portion 31 of the shaft 30 is formed.

This auxiliary wheel portion 40 will be described with reference to FIG. 4 of the accompanying drawings.

4 (a) shows a state in which the shaft 30 is advanced, and FIG. 4 (b) shows a state in which the shaft 30 is retracted.

4, the auxiliary wheel 40 includes a auxiliary wheel 41 contacting the ground surface, a auxiliary wheel shaft 42 connected to the auxiliary wheel 41 and extending in the upward direction, And the auxiliary wheel knob 43 connected to the upper end of the auxiliary wheel.

At this time, the auxiliary wheel axle 42 may include a horizontal axis (not shown) and a vertical axis (not shown) in the direction of '1' as shown in FIG. 4 of the accompanying drawings.

Accordingly, the auxiliary wheel 41 can rotate the auxiliary wheel shaft 43 so that the auxiliary wheel shaft 42 rotates together to change the direction of the auxiliary wheel 41. Thus, the auxiliary wheel unit 40 By dividing the auxiliary wheel axle 42 of the auxiliary wheel 41 by the horizontal axis and the vertical axis, it is possible to make the movement of the auxiliary wheel 41 more flexible than when it is constituted only by the axes extending in the normal direction, The direction can be easily converted.

When turning the shaft 30 backward, the auxiliary wheel grip 43 is operated so that the horizontal axis of the auxiliary wheel shaft 42 moves in the direction of the connecting portion 31, so that the backward movement of the shaft 30 can be facilitated .

When the shaft 30 is moved backward, the horizontal axis of the auxiliary wheel axle 42 must move toward the connecting portion 31 to move the wheel. When the 'L' wheel is used, For example, turning off is easy.

Also, although not described in detail, with reference to the accompanying drawings, a main wheel is included at an outer side of the movable frame 13, thereby enabling the movement of the folding trailer according to the present invention.

It is apparent that the present invention is not limited to the technical matters according to the drawings, as described above with reference to the drawings, only the essential matters of the present invention are described, and various designs can be made within the technical scope thereof.

10: frame
11: C frame
12: Support frame
13: Moving frame
14: Axis
15: Auxiliary frame
20: Storage section
21:
211: first fixing portion
22: bottom plate
23a: first movable storage part
23b: the second movable storage part
231:
232: Door
233: Door shaft
30: Shaft
31: Connection
40:
41: Auxiliary wheels
42: Auxiliary wheel axle
43: Auxiliary Wheel Handle

Claims (11)

A frame 10;
A storage part 20 formed on the upper side of the frame 10; And
And a shaft (30) configured to move along the frame (10), the folding trailer comprising:
- the frame (10) is folded and unfolded according to the operation,
A U-shaped frame 11 composed of two pairs;
A supporting frame 12 connected to one side of the U-shaped frame 11 and slidable along one side of the U-shaped frame 11;
A moving frame (13) connected to the support frame (12);
A shaft 14 formed at one side of the U-shaped frame 11; And
And an auxiliary frame (15) having one end connected to the shaft (14) and the other end connected to the moving frame (13)
The U-shaped frame 11 has grooves formed on the mutually facing surfaces thereof,
- the storage part (20) is folded and unfolded along the frame (10)
- the shaft (30) is advanced and retracted according to the operation,
Characterized in that the overall width and length are adjusted when folded.
delete The method according to claim 1,
The frame (10)
Characterized in that the moving frame (13) is folded adjacent to the U-shaped frame (11) by the auxiliary frame (15).
The method according to claim 1,
The shaft (30)
A square skeleton and a central skeleton across the square skeleton,

',
And a connecting portion (31) is further provided at one end of the central skeleton.
The method of claim 4,
Characterized in that the square skeleton is slidably moved along a groove of the U-shaped frame (11) so that the shaft (30) is moved forward or backward.
The method according to claim 1,
The storage section (20)
A shielding plate 21 connected to the U-shaped frame 11 through a first fixing part 211 and composed of two pairs;
A bottom plate (22) connected to one of the shielding plates (21) and the other shielding plate (21) to close the floor; And
And a first movable storage part (23a) and a second movable storage part (23b) formed at both ends of the bottom plate (22) in the four directions which are not closed by the covering plate (21)
The first movable storage portion 23a and the second movable storage portion 23b,
Is slid along the blocking plate (21)
Respectively, are connected to the moving frame 13 through the second fixing portion 231,
Characterized in that the first movable storage portion (23a) and the second movable storage portion (23b) are adjacently folded so that the movable frame (13) is slid toward the center portion of the bottom plate (22) Folding trailer.
The method of claim 6,
The first movable storage portion 23a and the second movable storage portion 23b,
And a door shaft (233) for opening and closing the door (232) on each side of the door (232).
The method according to claim 1,
Characterized in that a main wheel is formed on one side of the moving frame (13).
The method according to claim 1,
Characterized in that the auxiliary wheel section (40) is formed at a rear end of the U-shaped frame (11).
The method according to claim 1,
Characterized in that the auxiliary wheel portion (40) is formed at one side of the shaft (30).
The method according to claim 9 or 10,
The auxiliary wheel portion (40)
Auxiliary wheels (41) contacting the ground;
A auxiliary wheel shaft 42 connected to the auxiliary wheel 41; And
And a auxiliary wheel handle (43) connected to the auxiliary wheel shaft (42)
The auxiliary wheel shafts
A horizontal axis in the direction of " - ", and a vertical axis in the direction " 1 ".

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