Folding cart capable of being used as lying bed
Technical Field
The utility model relates to a folding cart, in particular to a folding cart capable of being used as a lying bed.
Background
With the popularity of camping outdoor activities on a daily basis, portable devices such as outdoor carts, folding chairs, folding tables, and the like are becoming increasingly popular with the general public.
In general, outdoor carts in the prior art generally employ a frame-integrated folding design, such as a cart disclosed in patent publication CN106627690a, which is convertible between a folded state and an unfolded state, and comprises a frame, four wheels, and a flexible liner. The frame is composed of a front wall, two side walls and a rear baffle. When the trolley is required to be stored, the front wall, the side walls and the rear baffle of the trolley are folded.
The existing cart has the problems that when the outdoor picnic is camped, after articles in the cart are placed on a desktop, the cart is often left on one side, and the functionality is single.
Disclosure of utility model
The utility model aims to provide a folding cart with diversified functions and capable of being used as a lying bed.
The technical scheme includes that the folding cart capable of being used as a lying bed is characterized by comprising a bottom frame, wherein a front supporting frame and a rear supporting frame are hinged to the front end and the rear end of the bottom frame respectively, a front connecting frame is fixedly connected to the front end of the bottom frame, a sliding rod is fixedly connected to the front supporting frame, a supporting pull rod is hinged to the top end of the front connecting frame, the end of the supporting pull rod is slidably connected to the sliding rod, a locking piece detachably connected with the front connecting frame is arranged on the sliding rod, a rear connecting frame is hinged to the rear end of the bottom frame, a locking rod is hinged to the top end of the rear connecting frame, and the end of the locking rod is hinged to the rear supporting frame.
The further preferable technical scheme of the utility model is that the end part of the supporting pull rod is hinged with a sliding block, and the sliding block is sleeved on the sliding rod and can move on the sliding rod.
The further preferable technical scheme of the utility model is that the locking piece is a buckle, and the buckle is matched with the front connecting frame in a clamping way.
The utility model has the further preferable technical scheme that the front end and the rear end of the underframe are respectively hinged with a front supporting side rod and a rear supporting side rod, the end parts of the front supporting side rod are hinged on the rear supporting side rod, the hinged parts of the front supporting side rod and the rear supporting side rod are provided with connecting sheets, and the bottom ends of the connecting sheets are detachably connected at the middle part of the underframe.
The further preferable technical scheme of the utility model is that the top end of the front connecting frame is also hinged with a supporting cross rod, and the end part of the supporting cross rod is hinged with the end part of the rear supporting side rod.
The utility model further preferably adopts the technical scheme that the underframe comprises a front plate and a rear plate, and the front plate is hinged with the rear plate.
The utility model has the further preferable technical scheme that the rear end of the underframe is provided with a connecting seat, a supporting bottom rod is arranged between the connecting seat and the underframe, and two ends of the supporting bottom rod are respectively hinged on the connecting seat and the underframe.
The further preferable technical scheme of the utility model is that the top end of the sliding rod is provided with a handrail which is rotationally connected with the sliding rod.
Compared with the prior art, the folding and unfolding trolley has the advantages that the three states of folding, unfolding and lying bed can be switched, the folding state can enable the size to be smaller and the space to be saved when the trolley is carried and stored, the articles can be placed in the unfolding state to be convenient to carry, and the lying bed can enable the trolley to be unfolded for rest by people, so that functions are diversified.
Drawings
The utility model will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the utility model. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.
FIG. 1 is a schematic view of the overall structure of a cart in an unfolded state;
FIG. 2 is a schematic view of the overall structure of the stroller in a bed position;
FIG. 3 is a schematic view of the overall structure of the de-cloth cover of FIG. 1;
FIG. 4 is a schematic view of the overall structure of the de-cloth cover of FIG. 2;
FIG. 5 is a schematic view of the overall structure in a folded state;
fig. 6 is an exploded view of a part of the structure in an expanded state.
The device comprises a handle, a front supporting side rod, a rear supporting side rod, a supporting bottom rod, a cloth cover, a sliding rod, a sliding block, a clamping buckle, a universal wheel seat, a 10, a roller seat, a 11, a supporting pull rod, a 12, a supporting cross rod, a 13, a chassis, a 131, a front plate, a 132, a rear plate, a 14, a universal wheel, a 15, a roller, a 16, a rear straight rod, a 17, a square hole, a 18, a connecting sheet, a 19, a connecting seat, a 20, a rear connecting frame, a 21, a locking rod, a 22, a rear supporting frame, a 23, a front straight rod, a 24, a front supporting frame, a 25, a front connecting frame, a 26, a brake, a 27 and a lock catch.
Detailed Description
Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the utility model.
It should be noted that like reference numerals refer to like items in the following figures, and thus once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
As shown in fig. 1-4, the folding cart capable of being used as a lying bed comprises a bottom frame 13, a front supporting frame 24 and a rear supporting frame 22 are hinged at the front end and the rear end of the bottom frame 13 respectively, a front connecting frame 25 is fixedly connected to the front end of the bottom frame 13, a sliding rod 6 is fixedly connected to the front supporting frame 24, a supporting pull rod 11 is hinged to the top end of the front connecting frame 25, the end part of the supporting pull rod 11 is slidably connected to the sliding rod 6, a locking piece detachably connected with the front connecting frame 25 is arranged on the sliding rod 6, preferably, the locking piece is a buckle 8, the buckle 8 is in clamping fit with the front connecting frame 25, a rear connecting frame 20 is hinged to the rear end of the bottom frame 13, a locking rod 21 is hinged to the top end of the rear connecting frame 20, and cloth covers 5 are paved on the brackets in normal use.
The front end and the rear end of the underframe 13 are respectively hinged with the front support side rod 2 and the rear support side rod 3, one end of the front support side rod 2 is hinged to the front end of the underframe 13, one end of the rear support side rod 3 is hinged to the rear end of the underframe 13, one end of the rear support side rod 3 is hinged to the support pull rod 11, a lock catch 27 is arranged between the rear support side rod 3 and the rear connecting frame 20, a triangular structure is formed between the front support side rod 2, the rear support side rod 3 and the underframe 13, and when articles move in the cart, the whole structure of the cart is more stable, and the risk that articles fall in the cart when the cart is pulled by full articles is reduced.
As shown in fig. 4, the chassis 13 includes a front plate 131 and a rear plate 132, the front plate 131 and the rear plate 132 are hinged at a middle portion of the chassis 13, and the front plate 131 and the rear plate 132 can be folded by upward force from the hinge when folding.
The hinge position of the front support side rod 2 and the rear support side rod 3 is provided with a connecting sheet 18, the bottom end of the connecting sheet 18 is detachably connected to the hinge position of the front plate 131 and the rear plate 132, when the trolley needs to be folded and stored, the bottom end of the connecting sheet 18 is detached from the hinge position of the front plate 131 and the rear plate 132, after detachment, the front plate 131 and the rear plate 132 are folded by upward force at the hinge position, and after the front plate 131 and the rear plate 132 are folded, the rear support frame 22 and the front support frame 24 are folded in the direction of the front plate 131 and the rear plate 132, so that the folding of the trolley is completed.
The top end of the front connecting frame 25 is hinged with a supporting cross rod 12 and a supporting pull rod 11, the other end of the supporting cross rod 12 is hinged with the end of the rear supporting side rod 3,
The other end of the supporting pull rod 11 is hinged with a sliding block 7, the sliding block 7 is sleeved on the sliding rod 6 and can move on the sliding rod 6, when the trolley is in a lying state, the clamping connection between the clamping buckle 8 on the sliding rod 6 and the front connecting frame 25 is released, and the sliding block 7 moves from the sliding rod 6 to be close to the clamping buckle 8 arranged at the bottom of the sliding rod 6.
The top of the slide bar 6 is provided with the handrail 1, and the handrail 1 is connected with the slide bar 6 in a rotating way, so that the movement of pulling the cart by drawing the stature of different customers is satisfied.
The rear end of the underframe 13 is provided with a connecting seat 19, the rear support side rod 3 and the rear support frame 22 are hinged at the upper end of the connecting seat 19, and the support bottom rod 4 and the rear connecting frame 20 are hinged at the lower end of the connecting seat 19.
The middle part of connecting seat 19 has seted up square hole 17, the square hole 17 of connecting seat 19 of both sides between put up back straight-bar 16, the welding has two gyro wheel seats 10 on the back straight-bar 16, be provided with gyro wheel 15 on the gyro wheel seat 10 for control shallow turns to when the motion, and be equipped with preceding straight-bar 23 between the preceding link 25, preceding straight-bar 23 and preceding link 25 welded connection, the welding department is equipped with universal wheel seat 9, be equipped with universal wheel 14 on the universal wheel seat 9, the universal wheel 14 is used for confirming the rectilinear motion direction of shallow.
The universal wheel seat 9 and the roller seat 10 are provided with the brake 26, when the cart needs to be fixed in position, the universal wheel 14 and the roller 15 are fixed by opening the brake 26, and the cart is unfolded to be in a lying state, so that the user can lie down for rest, and the cart is prevented from moving.
The universal wheels 14 and the rollers 15 are arranged in a staggered mode, and when the cart is in a folded state, the rollers 15 and the universal wheels 14 are in a side-by-side state, so that the occupied space of the cart after being folded is reduced.
In summary, when the cart is changed from the unfolded state to the lying state, the front end of the cart releases the clamping state from the front connecting frame 25, the front supporting frame 24 rotates and tilts after the clamping state is released, so that the sliding block 7 moves on the sliding rod 6, when the sliding block 7 is limited by the supporting pull rod 11 and cannot move, the front supporting frame 24 rotates and tilts to the maximum angle, when the rear supporting frame 22 is opened, the locking rod 21 is pulled to unlock the locking rod 21, the rear connecting frame 20 and the rear supporting frame 22 are simultaneously turned down, the cart is gradually opened from the attaching state, and the locking rod 21 abuts against the ground to be used as a supporting frame at the moment.
The folding cart provided by the utility model and used as a bed is described above, and specific examples are used herein to illustrate the principles and embodiments of the utility model, and the above examples are only used to help understand the utility model and core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.