KR101209973B1 - Multipurpose trailer for bicycle - Google Patents

Abstract

A utility bike trailer is posted. The multi-purpose bicycle trailer may be attached to or detached from the saddle of the bicycle, the arm lock having a structure capable of rotating left and right (Arm Lock); An arm coupled to the rock and having a structure capable of rotating up and down; And a trailer body coupled to the arm. The dark rock is a rock rock body; Angle control panel capable of rotating left and right; An arm lock body including an insertion hole into which the angle adjustment plate is inserted; And a left and right angle adjustment pin for coupling the rock body and the angle adjustment plate and supporting left and right rotation of the angle adjustment plate, and a vertical angle adjustment pin for coupling the arm and supporting up and down rotation. The arm includes a spring lock for engaging with the rock lock, the spring lock includes a pinhole having a downward hooked shape for engaging with the rock lock and is coupled to and fixed to the vertical angle adjustment pin; A spring lock handle including the spring and a spring fixing pin, the spring lock handle being coupled to an insertion port of the fastener to fix the arm lock; And a spring lock restraining pin for preventing the spring lock from being pushed back after the arm lock and the spring lock are engaged.

Description

Multipurpose trailer for bicycle

The present invention relates to a multi-purpose bicycle trailer, and more particularly, it is possible to easily attach and detach various types of trailers to a commonly used bicycle, and to be modified in various forms, a unicycle bicycle trailer, a bipedal bicycle trailer, and A multi-purpose bicycle trailer that can be used as a trailer for a child's bicycle connection. In addition, it is connected to the seatpost of the bicycle and can be moved integrally, and can carry and load cargo, and can be transported by making it foldable for easy storage, and it is flexible for the purpose according to the purpose and user. To a versatile bicycle trailer that can be adjusted and used.

In general, most bicycles, except bicycles for special purposes such as cycles and mountain bikes, are provided with a saddle to hold luggage at the back of the saddle. Since the amount of load that can be loaded is limited in these rests, a trailer such as a rickshaw that can load a large amount of loads is used in a row.

The trailer-connected bicycle has the advantage that can carry a large amount of load, but because the bicycle and the trailer is a weak coupling using a string may cause a problem that the connection part is damaged by the load concentration due to the trailer load and direction change. .

The present invention has been made in order to improve such a problem, as well as to transport cargo and the like by using a bicycle, and to ride a child, and relates to a multi-purpose bicycle trailer for easy storage by folding.

In addition, existing bicycle trailer products do not have two or more roles as one item, and if necessary, the cost of having to purchase each trailer separately and a storage location to store all of them occur. .

There is only one basic trailer item, and by adding only a few small parts, there is a demand for an invention that meets the above object with a single bicycle trailer as a unicycle, twin travel bicycle trailer and a child bicycle connecting trailer.

The technical problem to be solved by the present invention is to provide a multi-purpose bicycle trailer that can be easily and conveniently combined with a general bicycle, can be easily moved and stored.

In addition, another technical problem to be solved by the present invention is to provide a multi-purpose bicycle trailer that can be used by mounting a variety of trailers according to the purpose of a general bicycle.

Multi-purpose bicycle trailer according to an embodiment of the present invention is a bicycle trailer that can be attached to or detached from the saddle rod of the bicycle in a bicycle trailer that can be coupled to the bicycle (Arm Lock) having a structure capable of rotating left and right; An arm coupled to the rock and having a structure capable of rotating up and down; And a trailer body coupled to the arm.

The dark rock is a rock rock body; Angle control panel capable of rotating left and right; An arm lock body including an insertion hole into which the angle adjustment plate is inserted; And a left and right angle adjustment pin for coupling the rock body and the angle adjustment plate and supporting left and right rotation of the angle adjustment plate, and a vertical angle adjustment pin for coupling the arm and supporting up and down rotation.

The arm includes a spring lock for engaging with the rock lock, the spring lock includes a pinhole having a downward hooked shape for engaging with the rock lock and is coupled to and fixed to the vertical angle adjustment pin; A spring lock handle including the spring and a spring fixing pin, the spring lock handle being coupled to an insertion port of the fastener to fix the arm lock; And a spring lock restraining pin for preventing the spring lock from being pushed back after the arm lock and the spring lock are engaged.

The trailer body includes a trailer wheel; A female backbone QR joint for coupling with said arm; A backbone for forming the skeleton of the luggage compartment and supporting the bottom surface; At least one wing that is capable of supporting and folding a side of the luggage compartment; And a wheel tube for coupling the wheel of the trailer with the backbone.

The trailer body is a twin trailer body, the trailer body comprising two trailer wheels; A female backbone QR joint for coupling with said arm; A backbone for forming the skeleton of the luggage compartment and supporting the bottom surface; At least one wing that is capable of supporting and folding a side of the luggage compartment; A wheel guide coupled to the backbone and supporting the two trailer wheels connected to each other; A wheel tube for coupling the wheel guide and the two trailer wheels; And a bearing board coupled to the backbone and the wheel guide to give a rotation angle.

The trailer body is a trailer body for connection and an auxiliary arm for coupling with the arm; A variable bridge for fixing the arm and the connecting arm; And a bicycle body coupled to the connecting arm, wherein the connecting arm includes an auxiliary rock for coupling to the head tube of the bicycle body.

The versatile bicycle trailer according to the present invention can be easily and conveniently used for general bicycles. Detachable effect.

In addition, according to the object according to the present invention there is an effect that can easily be used to connect the traveling unicycle trailer, a travel twin trailer, and a children's bicycle connection trailer.

In addition, the multi-purpose bicycle trailer according to the present invention has a collapsible structure can be easily moved and stored.

1 is a view showing an example implemented as a unicycle bicycle trailer multi-purpose bicycle trailer according to an embodiment of the present invention.
2 is a view showing a folded state of the unicycle bicycle trailer shown in FIG.
Figure 3 is a view showing an example implemented as a twin-cycle bicycle trailer multi-purpose bicycle trailer according to another embodiment of the present invention.
4 is a view for explaining the operation during the movement of the twin-swing bicycle trailer shown in FIG.
5 is a view showing an example implemented as a trailer that can be connected to a secondary bicycle multi-purpose bicycle trailer according to another embodiment of the present invention.
6 is a view showing the structure of the second rock and the second arm.
7A to 7C are views for explaining the structure and coupling method of the dark rock shown in FIGS. 1 to 5.
8A to 8C are views showing the structure and the coupling method of the spring lock provided in the arm.
9A to 9D are views for explaining a method of combining rock and cancer.
10A to 10D are diagrams illustrating vertical and horizontal angle adjustment of the arm.

In order to fully understand the present invention, operational advantages of the present invention, and objects achieved by the practice of the present invention, reference should be made to the accompanying drawings and the accompanying drawings which illustrate preferred embodiments of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail with reference to the preferred embodiments of the present invention with reference to the accompanying drawings. Like reference symbols in the drawings denote like elements.

1 is a view showing an example implemented as a unicycle bicycle trailer multi-purpose bicycle trailer according to an embodiment of the present invention, Figure 2 is a view showing a folded state of the unicycle bicycle trailer shown in FIG. 1 and 2, the multipurpose bicycle trailer 100 includes a rock lock 110, an arm 120, a trailer frame 130, and a trailer wheel 140.

The rock rock 110 may be attached to or detached from the saddle rod (not shown) of the general bicycle, and has a structure capable of rotating left and right.

The arm 120 includes a spring lock 160, the spring lock 160 and the arm lock 110 is coupled, the opposite end is coupled to the trailer frame 130. A portion coupled to the trailer frame of the arm 120 may be implemented in a structure capable of rotating 360 degrees can be implemented in a structure that can fold the arm 120. The arm 120 has an arcuate structure so as not to be caught by the rear wheel 150 of the bicycle.

The trailer frame 130 includes a female backbone Quick Realease (QR) joint 131, a female backbone joint 132, a backbone 133, and a wing 134. The trailer frame 130 further includes a bottom plate made of an iron plate, an aluminum plate, or a wooden plate to support the bottom surface.

The female backbone QR joint 131 and the female backbone joint 132 are fixed by combining the arm 120 and the female backbone 133, and the female backbone QR joint 131 is the arm in one operation. 133 and the backbone 133 is configured to be easily coupled and separated. The female backbone joint 132 may also be implemented as a QR (Quick Realease) joint in the same manner as the female backbone QR joint 131.

The backbone 133 forms a skeleton of the trailer frame 130 and supports the bottom surface. The backbone 133 includes a wing guide 135 for supporting the wing 134 so that the wing 134 does not fall downward.

The wing 134 forms a skeleton of the trailer frame 130 and supports the side surface. The wing 134 has a collapsible structure to reduce the space occupied during movement and storage.

The trailer wheel 140 is coupled to the rear of the trailer frame 130 through the backbone 133 and the wheel tube 136.

Figure 3 is a view showing an example implemented as a twin-cycle bicycle trailer multi-purpose bicycle trailer according to another embodiment of the present invention, Figure 4 is a view for explaining the operation during the movement of the twin-rail bicycle trailer shown in FIG. 3 and 4, the bicycle trailer 200 includes an arm rock 110, an arm 120, a trailer frame 130, and two trailer wheels 210.

The rock rock 110 may be attached to or detached from a saddle rod (not shown) of a general bicycle, and has a structure capable of rotating left and right.

The arm 120 includes a spring lock 160, the spring lock 160 and the arm lock 110 is coupled, the opposite end is coupled to the trailer frame 130. A portion coupled to the trailer frame of the arm 120 may be implemented in a structure capable of rotating 360 degrees can be implemented in a structure that can fold the arm 120. The arm 120 has an arcuate structure so as not to be caught by the rear wheel 150 of the bicycle.

The trailer frame 130 includes a female backbone QR (Quick Realease) joint 131, a female backbone joint 132, a backbone 133, a wing 134, a bearing board 137, and a wheel guide 138. do.

The female backbone QR joint 131 and the female backbone joint 132 are fixed by combining the arm 120 and the female backbone 133, and the female backbone QR joint 131 is the arm in one operation. 133 and the backbone 133 is configured to be easily coupled and separated.

The backbone 133 forms a skeleton of the trailer frame 130 and supports the bottom surface. The backbone 133 includes a wing guide 135 for supporting the wing 134 so that the wing 134 does not fall downward.

The wing 134 forms a skeleton of the trailer frame 130 and supports the side surface. The wing 134 has a collapsible structure to reduce the space occupied during movement and storage.

The bearing board 137 is coupled to the backbone 133 and the wheel guide is made of a structure that can control the rotation angle when the multi-purpose bicycle trailer 200 is turned left and right. That is, in order to prevent an accident such as overturning due to the movement of the center of gravity when the multipurpose bicycle trailer 200 passes an inclined surface or irregularities, a bearing device located between the bearing board 137 and the backbone 133 is provided. The rotation angle is generated from side to side according to the movement of the center of gravity to prevent overturning.

The wheel guide 138 is coupled to the bearing board 137 and is coupled to and supported by the two trailer wheels 210 and wheel tubes 220 coupled to each other.

5 is a view showing an example implemented as a trailer that can be connected to a secondary bicycle a multi-purpose bicycle trailer according to another embodiment of the present invention. Referring to FIG. 5, the multipurpose bicycle trailer 300 includes a first rock 110, a second rock 310, a first arm 120, a second arm 320, and a variable bridge 330. . The utility bicycle trailer 300 further includes an auxiliary bicycle (not shown).

The first rock 110 may be attached to or detached from the saddle rod (not shown) of the general bicycle, and has a structure capable of rotating left and right.

The second rock 310 may be attached to or detached from the head tube of the auxiliary bicycle (not shown), and may be configured to be fixed to prevent the handle of the auxiliary bicycle from moving.

The first arm 120 includes a spring lock 160, the opposite end is coupled to the second arm 320.

The second arm 320 is coupled to the first arm 120 and the second arm 310 and is configured in an arched structure so as not to catch the front wheel of the auxiliary bicycle (not shown).

6 is a view showing the structure of the second rock and the second arm. As shown in FIG. 6, the second rock and the second arm are coupled through the hook-shaped coupling hole 311, and the pin is inserted into the pinhole hole 321 and fixed by inserting the QR lever.

The variable bridge 330 is fixed by coupling the first arm 120 and the second arm 320, and adjusts the height of the auxiliary bicycle (not shown).

The auxiliary bicycle (not shown) is coupled to the second rock 310 and is fixed so that the handle does not move, and when the second rock and the second arm drive the front wheel of the auxiliary bicycle at a predetermined distance from the bottom surface. It also floats about 10 to 20 cm, so the front wheels do not need to be removed. In addition, the auxiliary wheels (two auxiliary wheels installed so that children do not fall when learning the first bike) connected to the rear wheel of the auxiliary bike is preferably removed for safe driving.

7A to 7C are views for explaining the structure and coupling method of the dark rock shown in FIGS. 1 to 5. First fix the rocking body to the saddle rod of a general bicycle using a hexagon wrench bolt (111) (Fig. 7a), and then insert the angle adjustment plate 113 into the insertion hole formed in the rocking body 111 to adjust the left and right angles Secure with pins 114. The angle adjusting pin 114 serves as a central axis so that the left and right angle adjustment plate 113 can rotate left and right. In addition, the left and right angle adjustment pin 114 has a structure that can be inserted into the wrench bolt 115 by tapping the bottom of the upper pin, the pin pin that can be turned into a coin, etc. on the head of the upper pin, After inserting the upper pin into the pinhole formed in the body portion of the rock and the angle control plate, and fixed to the pin groove of the upper pin with a coin or the like and fixed by turning the wrench bolt 115 of the lower portion (Fig. 7b, Fig. 7c)

The left and right angle control pin 114 is made of a fixed type, but can be easily separated and replaced in the reverse order of the combination when broken or broken.

8A to 8C are views showing the structure and the coupling method of the spring lock provided in the arm. 8A to 8C, the spring lock 160 includes a spring lock body 161, a spring 162, a spring lock handle 163, a handle fixing pin 164, and a spring lock restraining pin 165. Include.

The spring lock body 161 includes a spring insertion hole into which the spring 162 is inserted and a portion of the spring lock handle 163 may be inserted. In addition, the spring lock body 161 has a hook-shaped shape that is coupled to the vertical angle adjusting pin 116 provided in the left and right angle control plate 113 provided in the arm lock 111 shown in Figure 8a to 8c. It is provided with a pinhole 166 for the up and down angle adjustment pin.

The spring lock 160 is preferably fully coupled to the arm 120, such as by welding. This is to ensure stability when using a bicycle trailer.

The spring 162 is inserted into the spring insertion hole and is fixed to the spring insertion hole by the handle fixing pin 164 together with a portion of the spring lock handle portion 163. At this time, the handle fixing pin 164 is inserted only enough to maintain the elasticity of the spring 162 to some extent.

The spring lock restraint pin 165 is coupled to a spring lock restraint pin hole provided at the upper end of the spring lock body 161, and serves to prevent the spring lock 160 from moving back and forth when coupled to the arm lock. .

9A to 9D are views for explaining a method of combining rock and cancer. 9A to 9D, first, pull back the spring lock handle portion of the spring lock coupled to the rocking (FIG. 9A), and the top and bottom adjustment fill hole of the spring lock to the upper and lower adjustment pins coupled to the rocking from above (Fig. 9b), and pull the arm to the front of the upper and lower adjustment pin hole hooked to the rear (Fig. 9c), release the spring lock handle to the spring lock restraint pin hole to the end to the end Push in and move the arm back and forth to confirm the engagement and complete the engagement of rock and arm (FIG. 9D).

10A to 10D are diagrams illustrating vertical and horizontal angle adjustment of the arm. As shown in Figure 10a and 10b when the bicycle and the trailer for the bicycle is connected when the direction change when operating the angle adjustment plate coupled to the arm 120 around the left and right angle control pin 114 of the rock (110) ( 113) helps to drive safely by adjusting the angle by moving left and right according to the turning angle of the bicycle.

In addition, as shown in Figures 9c and 9d when the bicycle and the trailer for the bike is connected when the vibration occurs up and down due to unevenness, or road surface conditions, the up and down strength provided in the left and right angle control plate 113 of the rock The arm coupled to the up and down angle adjustment pin around the adjustment pin 116 moves up and down to offset the vibration of the defective trailer on the bicycle to help drive safely.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

100: Bike Trailer
110: rock
120: cancer
130: Trailer Frame
140: Wheel
160: spring lock

Claims (6)

Arm lock that can be attached to or detached from the saddle of the bicycle, and has a structure capable of rotating left and right (Arm Lock); An arm coupled to the rock and having a structure capable of rotating up and down; In the bicycle trailer including a trailer body coupled to the arm, which can be coupled to the bicycle,
The dark and dark,
Dark rock body;
Angle control panel capable of rotating left and right;
An arm lock body including an insertion hole into which the angle adjustment plate is inserted; And
It comprises a left and right angle control pin for coupling the rock body and the angle control plate and supporting the left and right rotation of the angle control plate and the upper and lower angle control pins coupled to the arm and supports the vertical rotation,
The arm includes a spring lock for engaging with the rock lock,
The spring lock,
A fastener including a pinhole downwardly hooked to engage with the rock and coupled to the vertical angle adjusting pin;
A spring lock knob having a spring insertion hole, one side of the spring insertion hole mounted with a spring coupled to the insertion hole of the fastener, and the other end of the spring insertion hole mounted with a spring fixing pin; And
Is inserted into the hole for the spring lock restraint pin provided in the upper end of the spring lock body, the bicycle trailer comprising a spring lock restraining pin for preventing the spring lock is pushed back after the arm lock and the spring lock is fastened. delete delete The method of claim 1,
The trailer body,
Trailer wheels;
A female backbone QR joint for coupling with said arm;
A backbone for forming the skeleton of the luggage compartment and supporting the bottom surface;
At least one wing that is capable of supporting and folding a side of the luggage compartment; And
And a wheel tube for coupling the backbone and the trailer wheel. The method of claim 1,
The trailer body is a twin trailer body,
The trailer body,
Two trailer wheels;
A female backbone QR joint for coupling with said arm;
A backbone for forming the skeleton of the luggage compartment and supporting the bottom surface;
At least one wing that is capable of supporting and folding a side of the luggage compartment;
A wheel guide coupled to the backbone and supporting the two trailer wheels connected to each other;
A wheel tube for coupling the wheel guide and the two trailer wheels; And
And a bearing board coupled to the backbone and the wheel guide to give a rotation angle. The method of claim 1,
The trailer body is a trailer body for connection,
An auxiliary arm whose one end is connected to the cancer;
A variable bridge connecting and fixing the arm and the auxiliary arm; And
A bicycle trailer mounted to the other end of the assistance arm, the bicycle trailer comprising an auxiliary rocking adapted to be coupled to a head tube of the assistance bicycle.

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