CN110654298A

CN110654298A - Foldable carriage

Info

Publication number: CN110654298A
Application number: CN201910898892.4A
Authority: CN
Inventors: 叶茂胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-01-07

Abstract

The invention relates to a foldable carriage, the upper part of the carriage can be lifted under the control of a mechanism, the periphery of the carriage is provided with a foldable or overturned frame, and the frame can be folded when the height of the carriage is reduced and can form a carriage wall when the height is increased.

Description

Foldable carriage

Technical Field

The invention relates to a carriage, in particular to a foldable caravan carriage.

Background

The existing carriages are all fixed in height, particularly motor homes, and the higher carriage brings inconvenience to the movement of the vehicle, so that the trafficability of the vehicle on certain roads is reduced, the driving difficulty is improved, the resistance and the oil consumption are increased, the risk is increased when the vehicle encounters crosswind, and the driving risk is increased. The above problems can be solved if there is a technical means that the height of the car can be lowered during driving and the parking needs to be raised when moving in the car.

Disclosure of Invention

The invention provides a foldable carriage, which is achieved by the following scheme:

the height of the carriage is changed by changing the height of the upper part of the carriage, when the height of the carriage is lowered, the frames forming the four walls of the carriage are folded or turned into a horizontal state, and when the height of the carriage is raised, the frames are erected or turned into a vertical state.

The scheme of the invention comprises the following contents, and part or all of the schemes can be selected according to the needs, or various different combination modes can be adopted for each scheme:

a roll-over frame or a folding frame of the car compartment wall;

a device for directly driving the turnover frame or the folding frame to move;

means for constraining the synchronous movement of the frame for turning or folding;

the device for lifting the carriage comprises various schemes.

The scheme of the invention is specifically described as follows:

roll-over or folding frame of the car wall:

the two opposite carriage walls can adopt turnover frames, the frames are respectively connected with the upper part or the lower part of the carriage through hinges, and when the height of the carriage needs to be changed, the turnover frames can turn over in a horizontal and vertical range by taking the hinges as axes;

two relative carriage walls can also adopt folding frames, the folding frame of each side is divided into an upper part and a lower part, the upper part is connected with the upper part of the carriage through a hinge, the lower part is connected with the lower part of the carriage through a hinge, and the upper part and the lower part are connected through a hinge. The folding frames opposite to each other at the two sides can rotate in the horizontal and vertical ranges by taking the upper hinges, the middle hinges and the lower hinges as axes, the height of the carriage can be changed along with the folding frames, the frames are in a folding state at the horizontal position, and the frames are in a supporting state at the vertical position;

the device for directly driving the turnover frame or the folding frame to move is as follows:

the electric push rod is used for driving the overturning and folding actions of the carriage wall frame, one end of the push rod is connected with the upper part or the lower part of the carriage, the other end of the push rod is connected with the vehicle overturning or folding frame, and the frames can rotate by taking respective hinges as shafts along with the telescopic motion of the push rod;

the device for restraining the synchronous movement of the turnover or folding frame is as follows:

the synchronous wheels are respectively fixed on the overturning or folding frames with opposite two sides, the axes of the synchronous wheels are superposed with the axes of the frame hinges, and the synchronous wheels are rigidly combined with the frames and can rotate along with the frames. Synchronous chain ropes are alternately sleeved on the corresponding synchronous wheels at two sides, so that the structure can restrict the rotation angles of the frames at two opposite sides to be always the same.

The lift carriage device is:

the first scheme is as follows:

folding arm scheme, folding arm divide two parts from top to bottom, go up folding arm one end and link to each other with carriage upper portion through the pivot, folding arm one end links to each other with the carriage lower part through the pivot down, links to each other through the pivot between the upper and lower two arms, and electric putter one end links to each other with carriage upper portion or lower part, and the other end links to each other with folding arm on or down, and along with the concertina movement of push rod, folding arm rotates with respective pivot about can making to drive the lift in carriage.

Scheme II:

the slide arm scheme, slide arm one end links to each other through the lower part of pivot with the carriage, and the slide rail on the upper portion that the other end embedding is located the carriage, and electric putter's one end links to each other with the carriage lower part, and the other end links to each other with the slide arm, and along with the concertina movement of push rod, can make the slide arm rotate, and the slide rail can be followed to the slide arm other end to the lift in drive carriage. The connection mode of the sliding arm and the push rod with the upper part and the lower part of the carriage can be exchanged, namely, the rotating shaft of the sliding arm is connected with the upper part of the carriage, the sliding rail is arranged at the lower part of the carriage, and the effect is the same.

The third scheme is as follows:

according to the rotary arm hanging scheme, one end of a hanging arm is connected with the lower portion of a carriage through a rotating shaft, a pulley is arranged at the other end of the hanging arm, one end of a chain rope is connected with the upper portion of the carriage and then bypasses the pulley, the other end of the chain rope is wound on a winch located at the lower portion of the carriage, one end of an electric push rod is connected with the lower portion of the carriage, the other end of the electric push rod is connected with the hanging arm, and the hanging arm can. When the suspension arm is in a vertical state, the winch is controlled to rotate, so that the chain rope which bypasses the pulley can hoist or lower the upper part of the carriage, and the height of the carriage is changed.

Drawings

The following describes some embodiments of the invention, which may be implemented using a combination of one or more of the following.

Fig. 1 is a schematic view of a collapsible car in a set-up state of the invention:

a carriage upper part 1 and a carriage lower part 2;

a compartment wall folding frame upper part 11, a compartment wall folding frame lower part 12;

a hinge 16 connecting the upper folding frame of the carriage wall with the upper part of the carriage, a hinge 17 connecting the upper folding frame of the carriage wall with the lower folding frame of the carriage wall, and a hinge 18 connecting the lower folding frame of the carriage wall with the lower part of the carriage;

a car wall tilt frame 21;

a hinge 26 connecting the car wall turnover frame and the upper part of the car;

an electric push rod 31 for driving the carriage wall folding frame, and an electric push rod 32 for driving the carriage wall overturning frame;

a synchronizing wheel 41 fixed on the folding frame of the carriage wall and a synchronizing chain rope 42 for cross-connecting two opposite synchronizing wheels.

Fig. 2 is a schematic view of the process of turning the carriage turning frame 21 between the horizontal and vertical positions by the push rod 32.

Fig. 3 is a schematic view of the

car folding frames

11 and 12 during the folding and erecting motion, which can be driven by the push rod 31 or by one of the various solutions of the car lifting device described below.

Fig. 4 shows a first scheme of a car lifting mode: schematic diagram of the folding arm device in the process of lifting the carriage. Go up folding arm 71 one end and carriage upper portion 1 and link to each other through the pivot, folding arm 72 one end is continuous through the pivot with carriage lower part 2 down, also links to each other through the pivot between the two folding arms from top to bottom, push rod 73 one end is connected on carriage lower part 2 through the pivot, the other end is connected on folding arm 72 down through the pivot (also can connect respectively on carriage upper portion 1 and last folding arm 71), the flexible folding arm motion of driving of push rod 73 to the lift on control carriage upper portion.

Fig. 5 shows a second scheme of the car lifting mode: schematic representation of the sliding arm arrangement during lifting of the car. The slide rail 84 is fixed on the upper portion of the carriage, one end of the slide arm 81 is connected to the lower portion 2 of the carriage through a rotating shaft, and the pulley 85 connected to the other end of the slide arm can move along the slide rail 84, and the slide arm 81 can be driven to rotate through the extension and contraction of the push rod 83, and the lift of the upper portion 1 of the carriage is driven.

Fig. 6 shows a third scheme of the car lifting mode: the schematic diagram of the rotating arm lifting device in the process of lifting the carriage. The upper end of the boom 91 is provided with a pulley 95. The chain 94 is connected at one end 97 to the upper part 1 of the car, passes around the pulley 95 and at the other end is wound on the winch 96. When the boom 91 is in the vertical position, the retractable chain 94 is rotated by the winch 96 to lift or lower the upper part 1 of the car.

Fig. 7 is a schematic view of the boom apparatus during vertical or lying down. Driven by the extension and contraction of the push rod 93.

Claims

1. A collapsible compartment, characterized by: including through hinged joint at carriage upper portion or the upset frame or the folding frame of lower part, upset or folding frame are two liang of relative in the carriage side, the upset frame can use the hinge to overturn as the axle in level and vertical range, folding frame contains upper and lower two parts, also link to each other through the hinge between these two parts, folding frame can use the hinge to rotate at level and vertical range as the axle, the upset is the state of propping up of carriage when being in vertical position with folding frame, be the fold condition of carriage when being in horizontal position, the upset frame can only use one of them or two kinds of uses together with folding frame.

2. A collapsible vehicle as claimed in claim 1, wherein: an electric push rod can be arranged on the turnover frame or the folding frame, the other end of the push rod is connected to the upper part or the lower part of the carriage, and the rotation of the frame is controlled by the extension and contraction of the push rod.

3. A collapsible vehicle as claimed in claim 1, wherein: the synchronous wheel component can be arranged on the opposite turning or folding frame, the axis of the synchronous wheel is superposed with the axis of the frame hinge, the synchronous wheel is rigidly combined with the frame and can rotate along with the frame, the synchronous chain ropes are alternately sleeved on the synchronous wheels corresponding to the two sides, and the structure can restrain the rotation angles of the frames on the two opposite sides to be kept the same.

4. A collapsible vehicle as claimed in claim 1, wherein: the lifting of the carriage can be achieved by adopting a folding arm scheme, the folding arm is divided into an upper part and a lower part, one end of the upper arm is connected with the upper part of the carriage through a rotating shaft, one end of the lower arm is connected with the lower part of the carriage through a rotating shaft, the upper arm and the lower arm are connected through a rotating shaft, and the upper arm and the lower arm are connected with each other through a rotating shaft.

5. A collapsible vehicle as claimed in claim 1, wherein: can adopt the slip arm scheme to reach the lift in carriage, slip arm one end links to each other through the lower part of pivot with the carriage, and there is the slide rail on the upper portion in carriage, and along with the rotation of slip arm, the other end can move along the slide rail, and the height of carriage changes thereupon, and the connected mode of slip arm and slide rail and carriage upper portion and lower part also can be exchanged, and the slip arm pivot links to each other with carriage upper portion promptly, and the slide rail is laid in the carriage lower part.

6. A collapsible vehicle as claimed in claim 1, wherein: the lifting of the carriage can be realized by adopting a rotating arm lifting scheme, one end of the rotating arm lifting is connected with the lower part of the carriage through a rotating shaft, the other end of the rotating arm lifting is provided with a pulley, one end of a chain rope is connected with the upper part of the carriage and then bypasses the pulley on the rotating arm lifting, the other end of the chain rope is wound on a winch fixed on the lower part of the carriage, and when the rotating arm is in a vertical state, the winch is controlled to rotate to drive the chain rope bypassing the pulley to lift or put down the upper.

7. A collapsible vehicle as claimed in claim 1, wherein: the lift control arrangement of claims 4, 5 and 6 is actuated by an electric push rod connected at one end to the lower or upper part of the carriage and at the other end to the folding arm of claim 4, the sliding arm of claim 5 or the jib crane of claim 6, whereby the folding arm, sliding arm or jib crane is caused to rotate between vertical and lying down by the telescopic movement of the push rod.