JP4297411B2 - Folding combination handle - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a foldable rear car, and more particularly, to a combination of its handles.
[0002]
[Prior art]
The present inventor previously described as Japanese Patent No. 2941174, “It is formed of a lower edge rod made of a square pipe and a frame rod made of a round pipe fixed to the lower edge rod in a rising shape and supports a pair of left and right wheels, respectively. Below the two handle rods that have left and right side frames, and that can be folded between the side frames with a roof plate that can be folded in the middle. The bent rear end is attached to the front end of each side frame so that it can be inserted and removed in the vertical direction to form a hand-held handle, and the front end and the rear end of the left and right side frames are connected to each other. Each end of the reed can be pivotably attached around a vertical reed provided on one side frame, and each other end can be removably attached to a locking member provided on the other side frame. Made In the folding rear car characterized by the above-mentioned, the lower support mechanism of the load carrier plate that can be folded into the roof shape described above has at least two sets of left and right square members welded and fixed to the back surfaces of the left and right front plates of the load carrier plate, respectively. A hinge is attached and connected to the lower surface of the square member at the location where these square members abut each other, and a hinge is attached to the lower edge rod and each upper surface of the square member where the left and right square members abut against the lower edge of the frame. The front and rear support devices fixed to the load carrier plate, and when the load carrier plate is flattened in the middle in the longitudinal direction of the lower edge of the side frame, supports the lower central portion in the longitudinal direction, and the load carrier plate is covered with the roof. `` Folding rear car composed of a support device that is not fixed to the carrier plate made of a lateral folding member that is accommodated between the lower edge ridges when folded into a mold '' has been proposed. Tatami are those related to the improvement of the handle.
[0003]
[Patent Document 1]
Japanese Utility Model Publication No. 3-71966 [Patent Document 2]
Japanese Utility Model Publication No. 61-125869 [Patent Document 3]
Registered Utility Model No. 3006800 [Patent Document 4]
Japanese Patent No. 2941174 [0004]
As U-shaped handle for folding rear car, (1) one-piece handle with both wings bent into a short U-shape, (2) one-piece handle with both wings bent into a U-shape, or (3) both wings There are assembly type handles etc. that are long and disassembled into both wings and front wings, but if both wings are lengthened, folding rear cars are folded and stored, there are difficulties in storage and use Even at times, the handle blade length was long, so the strength of use was inferior, and the handle was frequently twisted during use.
[0005]
[Problems to be solved by the invention]
The present invention eliminates such drawbacks and provides a folding combined handle in a folding rear car and the like that is excellent in strength and does not cause twisting of the handle when assembled and used.
[0006]
[Means for Solving the Problems]
The present invention relates to a foldable rear car handle made of aluminum or aluminum alloy, in which a long U-shaped handle having a large length on both sides is detachably connected to a left and right column at the front end of a load carrier such as a foldable rear car. A pair of left and right long L-shaped pipes that are connected in a straight line to the left and right ends of the short U-shaped handle pipe and the distal end of the non-connected side is bent substantially at a right angle downward. The long L-shaped connection pipe is sharp and downward from the vicinity of the connection portion with the short U-shaped handle pipe to the long straight portion of the L-shaped connection pipe. A support pipe having a straight branch and a blunt end bent at an obtuse angle; a lower bent end of the long L-shaped connecting pipe is connected to an upper position of the right and left columns of the load carrier front end; The flex down the tip of the type relating collapsible combination handlebar such folding Carts, characterized by being configured to be connected to the lower position of the loading platform front left and right struts.
[0007]
[Action]
In the implementation of the present invention, the lower bent portion distal end of the long L-shaped connecting pipe and the lower bent portion distal end of the branching support pipe are opposed to each other in a substantially straight line with the former upward and the latter downward. A reinforcement frame that forms a hypotenuse with respect to the right-angled portion is stretched over a substantially right-angled bent portion of the L-shaped connecting pipe, or left and right columns at the front end of the loading platform are bent and extended in a substantially letter shape below the loading platform surface. A V-shaped auxiliary leg that constitutes a V-shaped auxiliary leg in front of the one-wheel tire, or that is attached to the upper outer side of the right and left pillars at the front end of the loading platform and that has a clamping bolt and that extends downward. A second connection tube with a fastening bolt located below is attached to the outside of the mold auxiliary leg, and the tip of the lower bent portion of the long L-shaped connection pipe is fitted and connected to the first connection tube. Insert and connect the tip of the lower bent part of the support pipe to the connection tube Connecting pipes with tightening bolts that are detachably attached to the outer surface of the connection side end of the long L-shaped connection pipe by inserting and connecting small diameter connection pipes into the left and right ends of the short U-shaped handle pipe. Used, the exposed other end of this small diameter connection pipe is fitted to the inner surface of the connection side end of the long L-shaped connection pipe and fastened with a tightening bolt to be fixed to the left and right sides of the short U-shaped handle pipe. Connect and connect the long L-shaped connection pipes respectively, or place two or more receiving holes for tightening bolts in the length direction at the exposed other end of the small-diameter connection pipe. Any one or two or more of the embodiments in which the connection connection of the L-shaped connection pipe can be adjusted in the lengthwise direction is included.
[0008]
【The invention's effect】
The effects of the present invention will be summarized and described as follows.
(1) It is a combination of a short U-shaped handle pipe with a large length on both sides and a small U-shaped handle pipe with a small length on both sides and a long L-shaped connection pipe connected to both sides, so it is suitable for folding storage such as a folding rear car. Meet the purpose.
(2) The long L-shaped connecting pipe is provided with a branching support pipe, and these are connected to the front left and right of the loading platform such as the rear car, respectively, so that the handle strength is large when using the rear car, etc. High resistance to twisting.
(3) Since it is a long U-shaped handle comprising a combination of three members: a short U-shaped handle pipe and a long L-shaped connecting pipe with left and right branching support pipes, it is easy to assemble, disassemble and store Can be done quickly.
(4) Since the handle can be operated by gripping both sides of the short U-shaped handle pipe, the operability is good despite the fact that it is a long U-shaped handle pipe.
[0009]
【Example】
Embodiments of the present invention will be described below with reference to the drawings, but the present invention is not particularly limited thereto.
[0010]
[Example 1]
FIG. 1 is a perspective view of a foldable rear car made of aluminum or aluminum alloy when assembled, and includes a rear car body and a handle detachably attached to the front thereof.
The rear car body is formed with a roof-type folding base plate (2) that can be freely folded between the left and right side frames (1) and (1), and the side frame (1) near the center in the longitudinal direction and the side frame (1 A pair of left and right tire wheels (4) are respectively attached to the support frame (3) formed to project outward.
On the side frames (1) and (1), inverted U-shaped side pillars (5) and (5) are raised and fixed, respectively. The front pillars of the side pillars (5), that is, the right and left pillars (6 ) (6) extends below the side frame (1) and is bent in a letter shape to form a V-shaped auxiliary leg (7) in front of the wheel (4).
[0011]
On the other hand, the handle has a short U-shaped handle pipe (8) having a small length on both sides, and is connected to both side ends of the U-shaped handle pipe (8) in a straight line, and the distal end (9) on the non-connection side is substantially downward. It consists of a combination with a pair of left and right long L-shaped connection pipes (10) bent at right angles. Further, the L-shaped connection pipe (10) is acutely downward (acute angle α) from the vicinity of the connection portion with the short U-shaped handle pipe (8) to the long straight portion of the L-shaped connection pipe (10). And a support pipe (12) branched linearly and having a distal end (11) bent downward at an obtuse angle (obtuse angle of 90 ° + α).
[0012]
The lower bent portion tip (9) of the long L-shaped connecting pipe (10) and the lower bent portion tip (11) of the branching support pipe (12) are vertically aligned with the former being upward and the latter being downward. Relatives are jealous.
A first connecting cylinder (13) with a fastening bolt located above is attached to the outside of the upper end of the left and right columns (6) at the front end of the other loading platform (2), and a V-shape of the lower extension of the column (6) is attached. A second connecting cylinder (14) with a fastening bolt located below the mold auxiliary leg is attached.
Therefore, as described above, the tip of the lower bent portion (9) of the long L-shaped connection pipe (10) is fitted into the first connection tube (13) of the loading column support (6) from the upper side to the lower side and tightened. fix it with bolts.
Similarly, the lower bent portion tip (11) of the branching support pipe (12) is similarly fitted and fixed to the second connecting cylinder (14) of the loading column support (6).
[0013]
[Example 2]
FIG. 2 shows the appearance of a short U-shaped handle pipe (8), which consists of a pipe made of aluminum or aluminum alloy with a number of longitudinal anti-slip ridges formed on the surface, and a small diameter at the other end of each side. Connection pipes (15) are inserted and connected by caulking. Two to two or more bolt receiving holes (16) are provided in the longitudinal direction in the exposed portion of the pipe (15).
FIG. 3 shows the appearance of the long L-shaped connecting pipe (10) and the branching support pipe (12). Both pipes (10) and (12) have the same number of longitudinal anti-slip on the surface as the pipe (8). It consists of a pipe made of aluminum or aluminum alloy that forms a projecting rod, and one end of the pipe (12) is welded in the vicinity of the connection end of the pipe (10) with the pipe (8). The pipe (10) and the pipe (12) branch up and down at an acute angle (α) in the same vertical plane as shown in the figure, and the right-angled bent tip (9) and the pipe (12 ) And a tip end portion (11) bent at an obtuse angle (α + 90 °) downward is relatively up and down in the same vertical plane.
(17) is welded and fixed at a corresponding position of the pipe (10) with a reinforcing frame that is stretched over a right-angled bent portion of the long L-shaped connecting pipe (10) so as to form a hypotenuse.
[0014]
As described above, the distal ends of the bent distal end portions (9) and (11) are fitted into the first connecting cylinder (13) and the second connecting cylinder (14) and fixed with the fastening bolts.
Further, one end of the long L-shaped connecting pipe (10) (10) (the end opposite to the bent portion distal end (9)) is connected to the both ends of the short U-shaped handle pipe (8). They are connected by (18).
The connecting cylinder (18) is normally attached to the end of the long L-shaped connecting pipe (10) using a mounting bolt (19), and a small diameter exposed portion of the pipe (15) is connected to the pipe (15). 10) Insert in and tighten with bolts (19).
[Brief description of the drawings]
FIG. 1 is an assembled perspective view of a foldable rear car.
FIG. 2 is an external view of a short U-shaped handle pipe of an assembly type handle.
FIG. 3 is an external view of a long L-shaped connecting pipe and a branching substantially supporting pipe of the assembly type handle.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Right-and-left side frame 2 of rear-car body ... Loading board 3 ... Support frame 4 ... Wheel 5 ... Reverse U-shaped side pillar 6 ... Front end right and left support | pillar 7 ... V-shaped auxiliary leg 8 ... Short U-shaped Handle pipe 9 ... right-angled bent tip 10 ... long L-shaped connecting pipe 11 ... obtuse-angled bent tip 12 ... branching support pipe 13 ... first connecting tube 14 ... second connecting tube 15 ... small diameter connecting pipe 16 ... Bolt receiving hole 17 ... Reinforcing frame 18 ... Connection tube 19 ... Fastening bolt

Claims (5)

A short U-shaped handle pipe (8) having a small length on both sides, and a straight connection to the left and right ends of the handle pipe (8), and a tip bent downward at a substantially right angle, A pair of left and right long L-shaped connection pipes (10) connected to the upper part of the column (6) and an acute angle below the vicinity of the connection side between the long L-shaped connection pipe (10) and the pipe (8). Folding with a handle that is detachable from the loading platform consisting of a branching support pipe (12) connected to the lower part of the left and right columns (6) at the front end of the loading platform with its tip bent further at an obtuse angle downward In this type of rear car, a first vertical connecting cylinder (13) with fastening bolts is attached to the outside of the upper ends of the left and right columns (6) at the front end of the loading platform, and the rear car wheels are connected to the lower extensions of the left and right columns (6). Left and right V formed in front A second vertical connection tube (14) with a fastening bolt is attached to the outside of the mold auxiliary leg (7), and the first connection tube (13) has a downward bent portion of the L-shaped connection pipe (10). The tip is fitted and connected to the second connecting cylinder (14) with the tip of the lower bent portion of the branching support pipe (12) from above and the ends of the bent portions relatively vertically aligned in a straight line. A foldable combination handle . The foldable combined handle according to claim 1, further comprising a reinforcing frame (17) bridged at a right-angled bent portion of the long L-shaped connecting pipe (10) so as to form a hypotenuse. The folding combined handle according to claim 1 or 2, wherein the connecting connection between the short U-shaped handle pipe (8) and the long L-shaped connecting pipe (10) can be adjusted in the longitudinal direction. Three members: a short U-shaped handle pipe (8) that grips both sides during handle operation, and a pair of left and right long L-shaped connection pipes (10) with a branching support pipe (12) that connects this to the loading platform The folding combined handle according to any one of claims 1 to 3, wherein the handle is a long U-shaped handle configured by combining the two . The long L-shaped connecting pipe (10) is provided with a branching support pipe (12), and these (10) and (12) are connected to the front left and right and top and bottom of the loading platform, respectively, and handle strength and resistance to twisting of the loading platform are used. The folding combined handle according to any one of claims 1 to 4, wherein the handle is enlarged .

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