KR20170000166A - Bicycle Cargo Trailer - Google Patents

Bicycle Cargo Trailer Download PDF

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Publication number
KR20170000166A
KR20170000166A KR1020150089020A KR20150089020A KR20170000166A KR 20170000166 A KR20170000166 A KR 20170000166A KR 1020150089020 A KR1020150089020 A KR 1020150089020A KR 20150089020 A KR20150089020 A KR 20150089020A KR 20170000166 A KR20170000166 A KR 20170000166A
Authority
KR
South Korea
Prior art keywords
frame
bicycle
lower frame
trailer
coupled
Prior art date
Application number
KR1020150089020A
Other languages
Korean (ko)
Inventor
이동우
Original Assignee
주식회사 캠핑바이크
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 캠핑바이크 filed Critical 주식회사 캠핑바이크
Priority to KR1020150089020A priority Critical patent/KR20170000166A/en
Publication of KR20170000166A publication Critical patent/KR20170000166A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K27/00—Sidecars; Forecars; Trailers or the like specially adapted to be attached to cycles
    • B62K27/003—Trailers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J7/00—Luggage carriers
    • B62J7/02—Luggage carriers characterised by the arrangement thereof on cycles
    • B62J7/04—Luggage carriers characterised by the arrangement thereof on cycles arranged above or behind the rear wheel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K27/00—Sidecars; Forecars; Trailers or the like specially adapted to be attached to cycles
    • B62K27/10—Other component parts or accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K7/00—Freight- or passenger-carrying cycles
    • B62K7/02—Frames
    • B62K7/04—Frames having a carrying platform

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Handcart (AREA)

Abstract

The present invention relates to a bicycle cargo trailer, and more particularly, to a bicycle cargo trailer, which comprises: a shaft connection frame having front and rear ends fixedly coupled to a rotation shaft protruding from both sides of a center of a rear wheel of a bicycle; A left and right rotating link provided at a rear end of the shaft connecting frame and provided with a link pin; A lower frame which is rotatably supported by the link pins of the left and right rotating links so as to be rotatable in the left and right direction and has a plurality of cross bars on the bottom face and a rectangular guide bar on the upper side; A front frame coupled to a distal end of the lower frame; A rear frame coupled to a rear end of the lower frame; A sub-wheel frame having an auxiliary wheel connected to an upper end of the rear frame and a rear end of the lower frame and rotatably installed; A pair of knob frames installed at the left and right leading edges of the lower frame; And a pedestal coupled to lower ends of left and right front corner portions of the lower frame to support the trailer body such that the auxiliary wheel frames are spaced apart from the floor by an accumulated height of the auxiliary wheels. Therefore, there is an effect that it is possible to carry the luggage by connecting to the bicycle or carry the luggage on the trailer independently.

Description

Bicycle Cargo Trailer {Bicycle Cargo Trailer}

The present invention relates to a bicycle cargo trailer, and more particularly, to a bicycle cargo trailer that can be integrally connected to a bicycle and a cargo trailer by being connected with one wheel as needed, and capable of simply transporting cargo by a handle will be.

BACKGROUND ART Generally, a bicycle is a manual movement means composed of a pair of front and rear wheels, a frame for connecting and disconnecting these front and rear wheels, a handle and a saddle at the upper end of the frame, So as to move forward while being rotated.

Bicycle trailers are widely used as a means to transport lightweight and compact luggage such as parcels and bags, or as a means of delivering them, by being tied to a bicycle carrier.

A known trailer for a bicycle which can be connected to a rear wheel of such a bicycle to carry a cargo is disclosed in the following Utility Model Document as a prior art.

In the conventional bicycle trailer according to Korean Utility Model Registration No. 20-0405645, the leading end portions are respectively coupled and fixed to the rotating shaft 12 protruding from both sides of the center of the rear wheel 10 of the bicycle, A shaft connecting frame (10) extending and connected to each other; A left and right rotating link 30 installed at a rear end of the shaft connecting frame 10 and having a link pin 32; And a link plate (42) which is rotatably coupled with the link pin (32) of the left and right rotating link (30) at a front end portion thereof is disposed on a bottom surface of a lower frame (41) And a trailer body 40 having auxiliary wheels 46 rotatably mounted on the frame 41. [

However, such prior art bicycle cargo trailers can be transported by connecting the bicycle to the bicycle, but the cargo can not be transported only by the cargo trailer.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a bicycle freight trailer that is connected to a rear wheel of a bicycle and is integrally movable and freely carries a freight or a person on its own.

According to an aspect of the present invention, there is provided a bike cargo trailer comprising: a bike cargo trailer that is coupled to a rotating shaft protruding from both sides of a center of a rear wheel of a bicycle, ; A left and right rotating link provided at a rear end of the shaft connecting frame and provided with a link pin; A lower frame which is rotatably supported by the link pins of the left and right rotating links so as to be rotatable in the left and right direction and has a plurality of cross bars on the bottom face and a rectangular guide bar on the upper side; An M-shaped front frame coupled to a front end of the lower frame; An inverted U-shaped rear frame coupled to a rear end of the lower frame; A "∠" shaped auxiliary wheel frame having auxiliary wheels connected to the upper end of the rear frame and the rear end of the lower frame and rotatably installed; A pair of knob frames installed at the left and right leading edges of the lower frame; And a pedestal coupled to lower ends of left and right front corner portions of the lower frame to support the trailer body such that the auxiliary wheel frames are spaced apart from the floor by an accumulated height of the auxiliary wheels.

According to the bicycle cargo trailer according to the present invention, it is preferable that hooks are provided on the side of the pedestal so that the trailer can be lifted by hand.

According to the bicycle cargo trailer according to the present invention, it is more preferable that a ferrule is provided at the rear end corner of the guide bar so that a safety flag can be inserted.

As described above, according to the bicycle cargo trailer according to the present invention, the trailer body can be connected to the rear wheel of the bicycle to be able to move integrally, and the trailer can be independently used only for the cargo.

1 is a perspective view of a conventional trailer for a bicycle,
2 is an overall perspective view of a bicycle cargo trailer according to the present invention,
FIG. 3 is a top view of a bicycle cargo trailer according to the present invention,
FIG. 4 is a rear view of a bicycle cargo trailer according to the present invention,
FIG. 5 is a rear view of a bicycle cargo trailer according to the present invention,
6 is a view showing a state where a ferrule is mounted on a bicycle cargo trailer according to the present invention, and Fig.
FIG. 7 is a view schematically showing a state where a bicycle cargo trailer according to the present invention is loaded and unloaded independently.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims.

Like reference numerals refer to like elements throughout the specification. Embodiments described in this specification will be described in detail with reference to the drawings of the present invention.

Hereinafter, a bike cargo trailer according to various embodiments of the present invention will be described with reference to FIGS. 2 to 6 attached hereto.

FIG. 2 is a perspective view of a bicycle cargo trailer according to the present invention, FIG. 3 is a top view of a bicycle cargo trailer according to the present invention, FIG. 4 is a side view of a bicycle cargo trailer according to the present invention, FIG. 6 is a view of a bicycle cargo trailer according to the present invention, FIG. 6 is a view showing a state where a ferrule is mounted on a bicycle cargo trailer according to the present invention, and FIG. 7 is a view showing a bicycle cargo trailer according to the present invention, And Fig. 5B is a view schematically showing the moving state.

First, a bicycle cargo trailer according to a preferred embodiment of the present invention will be described in detail with reference to FIGS. 2 to 6. FIG.

2 to 6, a bicycle cargo trailer according to the present invention includes a shaft connecting frame 10, left and right rotating links 20, a lower frame 30, a front frame 40, a rear frame 50, The auxiliary wheel frame 60, the auxiliary wheel 70, the handle frame 80, and the handle 90. As shown in Fig.

The trailer 1 is configured to be connected to the rear of the bicycle in general cargo transportation, and each frame 30, 40, 50, 60, 80 is made of a general tubular material of lightweight rigidity such as aluminum.

As shown in Fig. 3, the shaft connecting frame 10 has the front end portions 12 respectively engaged and fixed to rotation shafts (not shown) protruding from both sides of the center of the rear wheel 2 of the bicycle, (Not shown), and a nut is fastened to the outer circumferential surface of the rotary shaft (not shown) by screwing the nut The shaft connecting frame 10 is made of a steel pipe or an aluminum pipe frame of 10 mm to 15 mm and can withstand a large impact.

The left and right turning link 20 is hinged to the rear end 14 of the shaft connecting frame 10 by a link pin 22 so that the rear end portion 14 can turn left and right with respect to the front end portion 12 thereof. So that they can be coupled to each other to be rotatable.

The lower frame 30 is rotatably and laterally rotatably connected to the link pin 22 of the left and right rotating link 20 and is connected to the front frame 40 and the rear frame 50 to receive the cargo in the trailer 1 And has a rectangular frame shape as an enclosure as a cargo area. That is, as shown, the cargo hold is formed by the lower frame 30, the front frame 40 of "M" shape and the rear frame 50 of "∩" shape, and each connecting portion is formed by continuous rounded corners do.

The bottom of the cargo hold is formed by a plurality of crossbars 32 connecting both side lower frames 30. In addition, it is possible to carry a cargo or a person to be carried on the lower frame 30 and the crossbar 32 by burning. Further, the guide bar 34 is provided at a predetermined distance from the upper side of the lower frame 30. The crossbar 32 and the guide bar 34 prevent the cargo or the person on board from being taken out. In addition, it is also possible to provide a mounting space (not shown) on the cross bar 32 and the guide bar 34 to maximize the mounting space.

Further, as shown in FIG. 6, a barb 36 is provided at the rear end corner of the guide 30 so that a safety flap 38 can be inserted .

The auxiliary frame 60 is connected to the rear end of the lower frame 30, and the auxiliary wheel 70 is fixed. The auxiliary wheel frame 60 strongly supports the auxiliary wheel 70 in the shape of " ∠ ", and the auxiliary wheel 70 is disposed at the end of the frame and is rotatably stored. A thread 72a is formed on the outer circumferential surface of the rotating shaft 72 of the auxiliary wheel and the nut serving as the fastening tool 74 is screwed to the outer circumferential surface of the thread 72a so that the auxiliary wheel frame 60 is rotated by the rotating shaft 72, So that it can be fixed firmly on the surface.

A pair of knob frames 80 are provided at the left and right front edge of the lower frame 30 and a moving knob 90 is provided at the end of the knob frame 80. The handle frame 80 is rotatably coupled to the lower frame 30 so that the moving handle 90 allows the cargo to be independently transported only by the trailer 1 as shown in FIG. .

An H-shaped pedestal 100 is coupled below the left and right front corner of the lower frame 30. The pedestal 100 is spaced a predetermined distance from the floor by the height of the auxiliary wheels 70, 30 can be stably held by the pedestal 100 when the trailer 1 is separated from the bicycle.

In addition, the pedestal 100 is provided with a hook 102 to which the trailer 1 can be hand-held.

The bike cargo trailer according to the present invention is constructed such that the front end portion 12 of the shaft connecting frame 10 is slightly widened on both sides so as to cover both sides of the rear wheel 2 of the bicycle so that the fastener 14 is fitted on the outer circumferential surface of the rotating shaft 4, So that the shaft connecting frame 10 is firmly fixed to the rotary shaft 4 of the rear wheel 2. [

In this state, bicycle hiking rucksacks, tents, fishing gear, etc. can be carried on the cargo space of the trailer (1) for everyday life and leisure, and bicycles can be delivered at shopping (shopping) There is an advantage that anyone who can ride can easily use it for both sexes.

In addition, as shown in Fig. 7, there are two pairs of seats capable of independently separating the trailer 1, loading the cargo in the cargo bay, and pushing it with the shift knob 90 and moving it.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, Of the right.

1. Trailer 2. Rear
10. Axial connection frame 12. Front end
14. Rear end 20. Right /
22. Link pin 30. Lower frame
32. Crossbar 34. Guide bar
36. Ferrules 38. Safety flags
40. Front frame 50. Rear frame
60. Auxiliary Wheels Frame 70. Auxiliary Wheels
72. Rotary shaft 72a. Thread
74. Fastener 80. Handle frame
90. Handle 100. Stand
102. Hooks

Claims (3)

A shaft connecting frame 10 to which a front end portion 12 is coupled and fixed to a rotating shaft 4 protruding from both sides of a center of a rear wheel 2 of the bicycle and a rear end portion 14 is extended rearwardly of rear wheels to be connected to each other;
A left and right rotating link 20 provided at a rear end 14 of the shaft connecting frame 10 and having a link pin 22;
A lower frame 30 which is rotatably supported by the link pin 22 of the right and left rotary links 20 so as to be rotatable in the left and right direction and has a plurality of cross bars 32 on the bottom face and a guide bar 34 of a rectangular shape on the upper side, ;
An M-shaped front frame 40 coupled to a front end of the lower frame 30;
A rear frame (50) coupled to the rear end of the lower frame (30) and having a shape of "∩";
A "∠" shaped auxiliary wheel frame 60 having auxiliary wheels 70 connected to the upper end of the rear frame 50 and the rear end of the lower frame 30;
A pair of knob frames (80) installed at left and right leading edges of the lower frame (30); And
A pedestal 100 coupled to a lower portion of the left and right leading edges of the lower frame 30 to support the trailer body such that the auxiliary wheel frames 60 are spaced apart from the floor by an accumulated height of the auxiliary wheels 70; A bicycle cargo trailer characterized by comprising. The method according to claim 1,
Characterized in that the guide bar (34) is provided at its rear end corner with a ferrule (36) to which a safety flap (38) can be inserted. 3. The method according to claim 1 or 2,
Characterized in that a hook (102) is provided on a side surface of the pedestal (100) so that the trailer (1) can be lifted by hand.
KR1020150089020A 2015-06-23 2015-06-23 Bicycle Cargo Trailer KR20170000166A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150089020A KR20170000166A (en) 2015-06-23 2015-06-23 Bicycle Cargo Trailer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150089020A KR20170000166A (en) 2015-06-23 2015-06-23 Bicycle Cargo Trailer

Publications (1)

Publication Number Publication Date
KR20170000166A true KR20170000166A (en) 2017-01-02

Family

ID=57810524

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150089020A KR20170000166A (en) 2015-06-23 2015-06-23 Bicycle Cargo Trailer

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KR (1) KR20170000166A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3895967A1 (en) * 2020-04-15 2021-10-20 Croozer GmbH Multifunction platform

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3895967A1 (en) * 2020-04-15 2021-10-20 Croozer GmbH Multifunction platform

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