CN218616731U - Simple hand-pulling folding vehicle - Google Patents

Abstract

The utility model discloses a simple hand-pulling folding vehicle, which comprises a hand-pulling towing rod, a front frame, a rear frame, a folding bottom frame, a front folding mechanism, a rear wheel and a front wheel, wherein the folding bottom frame comprises a front folding bottom frame, a rear folding bottom frame and a bottom frame one-way folding seat; the front and rear folding mechanisms comprise front and rear connecting rods and connecting rod one-way folding seats, one ends of the front and rear connecting rods are hinged to the front and rear frames, the other ends of the front and rear connecting rods are hinged to the connecting rod one-way folding seats, connecting pieces are connected between the connecting rod one-way folding seats and the underframe one-way folding seats, and the front and rear frames, the front and rear connecting rods, the front and rear folding underframe and the connecting pieces form a foldable front and rear parallelogram support. After adopting this structure, have simple structure reasonable, folding flexible operation light, cooperation clearance is little, use reliable and stable, bearing capacity is good, low in production cost's advantage.

Description

Simple hand-pulling folding vehicle

Technical Field

The utility model relates to a carrier technical field, especially a folding collection is convenient, be fit for the simple and easy hand power folding car of outdoor transport.

Background

With the rapid development of outdoor camping, in order to facilitate outdoor transportation of activities such as self-driving travel, suburb camping and the like, many consumers use the hand-pulled folding cart as a transportation tool to directly put tents, tables and chairs, picnic supplies and the like on the hand-pulled cart for dragging, thereby solving the trouble of carrying on the shoulder by hand of the consumers. Therefore, the Chinese patent publication No. CN209634530U discloses a folding shopping cart, wherein a storage bag is fixed in a cart frame during use, a folding belt at the bottom of the storage bag is lifted to drive a front folding rod and a rear folding rod during folding, so that the front support, the rear support, the first underframe and the second underframe, the third underframe and the fourth underframe and a left folding device and a right folding device can be quickly folded, the folding volume is small, and the carrying and the storage are convenient. However, the following problems exist in the using process: firstly, the structure is complex, the number of movable hinge points is large, the requirement on the matching precision is high, the matching clearance is large, and the folding flexibility is poor; secondly, the production and processing procedures are multiple, the weight is heavy, the labor cost and the material cost are high, and the production cost is high. Aiming at the problems, many manufacturers and acquaintances develop and trial-produce the products, but no ideal products are produced yet.

Disclosure of Invention

For overcoming the above-mentioned not enough that prior art exists, the utility model aims at providing a simple and easy hand power folding cart that simple structure is reasonable, folding flexible operation is light, the fit clearance is little, the use is reliable and stable, bearing capacity is good, low in production cost.

The utility model solves the technical problems and adopts the technical proposal that the utility model comprises a hand-pulling towing rod, a front frame, a rear frame, a folding chassis, a front folding mechanism, a rear folding mechanism, a front wheel and a rear wheel, wherein the front wheel and the rear wheel are correspondingly arranged on the front frame and the rear frame; the front and back folding mechanism comprises a front and back connecting rod and a connecting rod one-way folding seat, one end of the front and back connecting rod is correspondingly hinged on the front and back vehicle frame, the other end of the front and back connecting rod is correspondingly hinged on the connecting rod one-way folding seat, a connecting sheet is connected between the connecting rod one-way folding seat and the chassis one-way folding seat, and the front vehicle frame, the front connecting rod, the front folding chassis, the connecting sheet, the back vehicle frame, the back connecting rod, the back folding chassis and the connecting sheet form a foldable front and back parallelogram support.

The utility model discloses a further scheme, the front and back frame on correspond and be equipped with around spacing seat, be equipped with on the folding chassis of front and back and correspond with spacing seat complex around stopper, the stopper corresponds when the folding car of hand power is opened and is leaned on spacing seat in front and back around leaning on.

The utility model discloses a further scheme, the lower part of preceding frame is equipped with articulated seat, and upper portion is equipped with the location buckle of straining hand power drawbar, and the hand power drawbar rotationally connects on articulated seat.

The utility model discloses a further scheme, the front and back frame on correspond and be equipped with two front and back wheels, the front and back wheel be the universal wheel.

After adopting above-mentioned structure, compared with prior art have following advantage and effect: firstly because the one end correspondence of folding chassis around articulates on the frame around, the other end correspondence articulates on the one-way folding seat of chassis, the one end correspondence of connecting rod around articulates on the frame around, the other end correspondence articulates on the one-way folding seat of connecting rod, be connected with the connection piece between the one-way folding seat of connecting rod and the one-way folding seat of chassis, and constitute folding parallelogram respectively, the stability and the reliability of connecting around the connecting rod can improve greatly between the frame, improve bearing capacity, the connection piece can be guaranteed around connecting rod and the synchronous folding or synchronous opening use of folding chassis around and, convenient operation uses. Secondly, because the front frame and the rear frame are correspondingly provided with the front limiting seat and the rear limiting seat, and the front and the rear folding underframe are correspondingly provided with the front and the rear limiting blocks matched with the front and the rear limiting seats, when the hand-pulled folding bicycle is unfolded for use, the front and the rear limiting blocks correspondingly abut against the front and the rear limiting seats, so that the movable gap between the front and the rear folding underframe and the front and the rear frames can be cleared, the stability and the reliability of the folding bicycle can be improved, the front and the rear folding underframe can be prevented from sinking and deforming, and the rigidity and the bearing capacity of the folding bicycle can be improved. Thirdly, the front frame is connected with a hand-pulling towing rod through a hinged seat, the hand-pulling towing rod can be used for conveniently pulling the folding vehicle to walk, and the hand-pulling towing rod can be buckled on the positioning buckle when not in use. Fourthly, on the premise of ensuring stable and reliable use and bearing capacity, the production efficiency can be greatly improved, and the production cost is reduced.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the utility model in an open use state.

Fig. 2 is a schematic view of the overlooking structure when the utility model is in an open use state.

Fig. 3 is a schematic view of the three-dimensional structure of the present invention in a semi-folded state.

Fig. 4 is a schematic view of the three-dimensional structure of the present invention in a folded state.

Wherein 1 hand power tow bar, 2 location buckles, 3 preceding frames, 4 back frames, 5 preceding connecting rods, 6 preceding folding chassis, 7 connecting rod one-way folding seats, 8 connection pieces, 9 chassis one-way folding seats, 10 back connecting rods, 11 back folding chassis, 12 back spacing pieces, 13 back spacing pieces, 14 front wheels, 15 articulated seats, 16 preceding spacing pieces, 17 preceding spacing pieces, 18 rear wheels.

Detailed Description

Fig. 1 to 4 show that, for the embodiment of the simple hand-pulling foldable vehicle of the present invention, it includes a hand-pulling towing rod 1, front and rear frames 3, 4, a foldable bottom frame, a front and rear folding mechanism, front and rear wheels 14, 18, the front and rear wheels 14, 18 are correspondingly disposed on the front and rear frames 3, 4, the foldable bottom frame includes front and rear foldable bottom frames 6, 11, a bottom frame one-way folding seat 9, one end of the front and rear foldable bottom frames 6, 11 is correspondingly hinged on the front and rear frames 3, 4, and the other end is correspondingly hinged on the bottom frame one-way folding seat 9; the front and back folding mechanism comprises a front connecting rod 5, a back connecting rod 10 and a connecting rod one-way folding seat 7, one end of the front connecting rod 5, the back connecting rod 10 is correspondingly hinged on the front frame 3 and the back frame 4, the other end of the front connecting rod 5 is correspondingly hinged on the connecting rod one-way folding seat 7, a connecting sheet 8 is connected between the connecting rod one-way folding seat 7 and the chassis one-way folding seat 9, the front frame 3, the front connecting rod 5, the front folding chassis 6, the connecting sheet 8, the back frame 4, the back connecting rod 10, the back folding chassis 11 and the connecting sheet 8 form a foldable front and back parallelogram support, the front and back connecting rods 5, 10 can greatly improve the stability and reliability of connection between the front frame 3 and the back frame 4, the bearing capacity is improved, the connecting sheet 8 can ensure that the front and back connecting rods 5, 10 and the front and back folding chassis 6, 11 can be folded or opened synchronously, and the operation is convenient.

In order to ensure the stability and reliability of use, the front and rear frames 3 and 4 are correspondingly provided with front and rear limiting seats 16 and 13, the front and rear folding bottom frames 6 and 11 are provided with front and rear limiting blocks 17 and 12 correspondingly matched with the front and rear limiting seats 16 and 13, and the front and rear limiting blocks 17 and 12 are correspondingly abutted against the front and rear limiting seats 16 and 13 when the hand-pulled folding bicycle is unfolded for use.

In order to facilitate the dragging of the folding bicycle, the lower part of the front frame 3 is provided with a hinged seat 15, the upper part of the front frame is provided with a positioning buckle 2 which can fasten the hand-pulling towing rod 1, and the hand-pulling towing rod 1 is rotatably connected to the hinged seat 15.

For convenience, the front and rear frames 3, 4 are correspondingly provided with two front and rear wheels 14, 18, and the front and rear wheels 14, 18 are universal wheels.

The utility model discloses be fixed with the thing bag between front and back frame 3, 4 generally during the use, the bottom fixed connection of thing bag is on folding chassis 6, 11 around, and the both sides fixed connection of thing bag can prevent that article from droing in handling on connecting rod 5, 10 around, and for the convenience of folding, the bottom of putting the thing bag is fixed with folding handle area. When the folding bicycle is folded, the folding handle belt is lifted upwards, the folding handle belt drives the front and rear connecting rods 5 and 10 and the front and rear folding bottom frames 6 and 11 to be folded upwards synchronously through the storage bag, the front and rear frames 3 and 4 move towards the middle under the driving of the front and rear connecting rods 5 and 10 and the front and rear folding bottom frames 6 and 11 to realize folding, and the operation is simple, flexible and light, so that quick folding is realized.

The above is only an embodiment of the present invention, and is not a limitation to the present invention in any form, and the present invention does not depart from the technical solution of the present invention, and the simple modification, equivalent change or modification made by the present invention all fall into the protection scope of the present invention.

Claims (4)

1. The utility model provides a simple and easy hand power folding car, includes hand power tow bar (1), front and back frame (3, 4), folding chassis, front and back folding mechanism, front and back wheel (14, 18) correspond to set up in front and back frame (3, 4), characterized by: the foldable underframe comprises a front foldable underframe and a rear foldable underframe (6, 11) and an underframe one-way foldable seat (9), one end of the front foldable underframe and the rear foldable underframe (6, 11) is correspondingly hinged on the front frame and the rear frame (3, 4), and the other end is correspondingly hinged on the underframe one-way foldable seat (9); front and back folding mechanism include connecting rod (5, 10) around, connecting rod one-way folding seat (7), the one end correspondence of connecting rod (5, 10) around articulated on front and back frame (3, 4), the other end correspondence articulates on connecting rod one-way folding seat (7), be connected with between connecting rod one-way folding seat (7) and chassis one-way folding seat (9) connection piece (8), preceding frame (3), preceding connecting rod (5), preceding folding chassis (6) and connection piece (8) and back frame (4), back connecting rod (10), folding chassis (11) and connection piece (8) constitute folding front and back parallelogram support.

2. The simple hand-pulling folding cart as claimed in claim 1, which is characterized in that: front and back frame (3, 4) on correspond and be equipped with preceding spacing seat (16, 13) around being equipped with, be equipped with on front and back folding chassis (6, 11) correspond with spacing seat (16, 13) complex front and back stopper (17, 12) around, stopper (17, 12) are supported and are leaned on spacing seat (16, 13) around correspondingly when the hand power folding car is opened and is used.

3. The simple hand-pulling folding cart according to claim 1 or 2, which is characterized in that: the lower part of the front frame (3) is provided with a hinged seat (15), the upper part of the front frame is provided with a positioning buckle (2) capable of fastening the hand-pulling towing rod (1), and the hand-pulling towing rod (1) is rotatably connected to the hinged seat (15).

4. The simple hand-pulling folding cart as claimed in claim 3, which is characterized in that: the front and rear frames (3, 4) are correspondingly provided with two front and rear wheels (14, 18), and the front and rear wheels (14, 18) are universal wheels.

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