CN216805512U - Hand-pulled folding vehicle - Google Patents

Abstract

The utility model discloses a hand-pulled folding vehicle which comprises a front upright post, a rear upright post, a left folding frame, a right folding frame, a folding base and front and rear wheels, wherein upper and lower hinged seats are correspondingly fixed on the front upright post and the rear upright post, an upper folding rod is correspondingly hinged between the upper hinged seats on the front upright post and the rear upright post, a lower folding rod is correspondingly hinged between the lower hinged seats, the folding base comprises a main connecting rod, a main hinged seat and an auxiliary hinged seat, a base connecting rod, a base folding rod and a diagonal folding rod, the main hinged seat and the auxiliary hinged seat are correspondingly hinged at two ends of the main connecting rod, the base connecting rod is correspondingly hinged between the auxiliary hinged seat and the left lower hinged seat, the base folding rod is correspondingly hinged between the main hinged seat and the right lower hinged seat, and the diagonal folding rod is correspondingly hinged between the main hinged seat and the left lower hinged seat. After adopting the structure, the folding device has the advantages of simple and reasonable structure, convenient folding operation, stable and reliable use, large carrying capacity, small folding volume, convenient carrying and collection and the like.

Description

Hand-pulled folding vehicle

Technical Field

The utility model relates to the technical field of hand-pulled shopping carts, in particular to a hand-pulled folding cart which is fast in folding, small in size and convenient to carry.

Background

In order to facilitate shopping or field carrying in activities such as self-driving travel, suburb camping and the like, a plurality of consumers use the shopping cart as a carrying tool to directly put articles on the shopping cart for dragging, so that the trouble that the consumers can carry large and small bags on hands can be solved. However, the shopping cart in the market at present has the following problems in the use process: firstly, the existing folding shopping cart is limited by the shape and the volume, the placed goods are few, and the requirement of a consumer for storing articles can not be met. Secondly, the structure is light and handy, and mechanical strength is low, and overall structure stability is relatively poor, uses unreliability, can not adapt to the relatively poor open-air road of road conditions and drags. Thirdly, the problems of complex structure and high requirement on production and processing precision exist. Aiming at the problems, many manufacturers and acquaintances develop and trial-produce the products, but no ideal products are produced yet.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide the hand-pulling folding vehicle which has the advantages of simple and reasonable structure, convenient folding operation, stable and reliable use, large carrying capacity, small folding volume and convenient carrying and collection.

The folding base comprises a main connecting rod, a main and auxiliary hinged seat, a base connecting rod, a base folding rod and a diagonal folding rod, wherein the main and auxiliary hinged seat is correspondingly hinged between the main connecting rod and the lower hinged seat on the front and rear upright posts on the left side, the main and auxiliary hinged seat is correspondingly hinged at two ends of the main connecting rod, the base connecting rod is correspondingly hinged between the auxiliary hinged seat and the lower hinged seat on the front and rear upright posts on the left side, the base folding rod is correspondingly hinged between the main hinged seat and the lower hinged seat on the front and rear upright posts on the right side in an upward folding manner, and the diagonal folding rod is correspondingly hinged between the main hinged seat and the lower hinged seat on the front and rear upright posts on the left side in an upward folding manner .

According to a further scheme of the utility model, the left and right folding frames comprise front and rear connecting rods, front and rear supporting connecting rods and sliding seats, the sliding seats are movably arranged on the corresponding front and rear upright posts, one end of each of the front and rear connecting rods on one side is correspondingly hinged to the upper hinged seats of the front and rear upright posts, the other ends of the front and rear connecting rods on the other side are mutually hinged, one end of each of the front and rear connecting rods on the other side is correspondingly hinged to the upper hinged seats of the front and rear upright posts, the other ends of the front and rear connecting rods on the other side are connected through a hook, and the front and rear supporting connecting rods are correspondingly hinged between the front and rear connecting rods and the sliding seats on the front and rear upright posts.

In a further scheme of the utility model, the hand-pulled folding vehicle further comprises a hand-pulled device, the hand-pulled device comprises a handle, a handle connecting rod, second steering joints correspondingly fixed on the front upright columns at two sides, and first steering joints correspondingly hinged on the second steering joints, and the handle connecting rod is correspondingly hinged between the first steering joints and the handle.

In a further scheme of the utility model, the front wheel and the rear wheel are universal rollers.

After adopting above-mentioned structure, compared with prior art have following advantage and effect: firstly because the main and auxiliary articulated seat of folding base corresponds the both ends that articulate at the main connecting rod, the base connecting rod correspondence articulates between the articulated seat of lower on the stand around the auxiliary articulated seat and left side, the base folding rod corresponds to articulate between the articulated seat of lower on the stand around main articulated seat and right side with upwards folding only, the diagonal angle folding rod corresponds to articulate between the articulated seat of lower of stand around main articulated seat and left side with upwards folding only, the folding car struts when using, the folding base rigidity is good, high mechanical strength, good stability, the load capacity is big. And secondly, when the folding bicycle is folded, the front and rear upright posts, the left and right folding frames and the folding base on the left and right sides are gathered and folded towards the center of the right side, so that the folding bicycle is simple and rapid to fold, small in size and convenient to carry and store. Thirdly, the front and back connection on the right side can be opened, so that the goods placed in the folding vehicle can be taken out more conveniently and can be used as a stool. Fourthly, the angle and the direction of the handle can be adjusted at will, so that the hand-pulling folding trolley can be pulled conveniently.

Drawings

Fig. 1 is a schematic perspective view of the present invention in an expanded state.

Fig. 2 is a schematic perspective view of the other direction of the expanded state of the present invention.

Fig. 3 is a perspective view illustrating the front and rear links on the right side of fig. 1 according to the present invention when opened.

Fig. 4 is a schematic perspective view of the present invention in a half-folded state.

FIG. 5 is a left side view of the present invention in a semi-expanded state.

Fig. 6 is a schematic perspective view of the folded state of the present invention.

The front column comprises a front upright 1, a front support connecting rod 2, a front connecting rod 3, a handle 4, a folding rod 5, a lower hinge seat 6, an upper hinge seat 7, a sliding seat 8, a hook 9, a rear connecting rod 10, a rear support connecting rod 11, a rear upright 12, a front wheel 13, a first steering joint 14, a second steering joint 15, a handle connecting rod 16, a lower folding rod 17, a base folding rod 18, a diagonal folding rod 19, a main hinge seat 20, a base connecting rod 21, a main connecting rod 22, an auxiliary hinge seat 23 and a rear wheel 24.

Detailed Description

Fig. 1 to 6 show a hand-pulled folding cart according to a specific embodiment of the present invention, which comprises front and rear vertical posts 1, 12 on left and right sides, a left and right folding frame, a folding base, and front and rear wheels 13, 24 disposed on the front and rear vertical posts 1, 12, wherein the front and rear vertical posts 1, 12 are correspondingly fixed with an upper hinge seat 7 and a lower hinge seat 6, the upper hinge seats 7 on the front and rear vertical posts 1, 12 on both sides are correspondingly hinged with an upper folding rod 5 which can only be folded downwards, the lower hinge seats 6 are correspondingly hinged with a lower folding rod 17 which can only be folded upwards, the folding base comprises a main connecting rod 22, main and auxiliary hinge seats 20, 23, a base connecting rod 21, a base folding rod 18, and a diagonal folding rod 19, the main and auxiliary hinge seats 20, 23 are correspondingly hinged at both ends of the main connecting rod 22, the base connecting rod 21 is correspondingly hinged between the auxiliary hinge seat 23 and the lower seat 6 on the front and rear vertical posts 1, 12 on left side, the base folding rod 18 can be correspondingly hinged between the main hinge seat 20 and the lower hinge seats 6 on the right front and rear upright posts 1 and 12 in an upward folding manner only, and the diagonal folding rod 19 can be correspondingly hinged between the main hinge seat 20 and the lower hinge seats 6 of the left front and rear upright posts 1 and 12 in an upward folding manner only. When the folding machine is folded, the upper folding rod 5 is folded downwards, the lower folding rod 17 is folded upwards, the front base folding rod 18, the rear base folding rod 18, the diagonal folding rod 19 are folded upwards, the front base connecting rod 21 and the rear base connecting rod 21 which are hinged on the auxiliary hinged seat 23 can be folded upwards in a single direction only and drive the main connecting rod 22 to rotate and fold around the main hinged seat 20, and therefore the front upright posts 1 and 12, the left folding frame and the right folding frame on the left side and the right side, and the folding bases are folded towards the center of the right side.

For convenience of folding and use, the left and right folding frames comprise front and rear connecting rods 3 and 10, front and rear supporting connecting rods 2 and 11 and sliding seats 8, the sliding seats 8 are movably arranged on the corresponding front and rear upright posts 1 and 12, one end of each of the front and rear connecting rods 3 and 10 on one side is correspondingly hinged to the upper hinged seats 7 of the front and rear upright posts 1 and 12, the other end of each of the front and rear connecting rods 3 and 10 on the other side is hinged to the upper hinged seats 7 of the front and rear upright posts 1 and 12, the other end of each of the front and rear connecting rods is connected through a hook 9, the front and rear supporting connecting rods 2 and 11 are correspondingly hinged between the front and rear connecting rods 3 and 10 and the sliding seats 8 on the front and rear upright posts 1 and 12, and the front and rear connecting rods 3 and 10 on the right side can be opened through the hooks 9.

For convenience, the hand-pulling folding cart further comprises a hand-pulling device, the hand-pulling device comprises a handle 4, a handle connecting rod 16, second steering joints 15 correspondingly fixed on the front upright posts 1 on the two sides, and first steering joints 14 correspondingly hinged on the second steering joints 15, and the handle connecting rod 16 is correspondingly hinged between the first steering joints 14 and the handle 4.

For the convenience of towing, the front and rear wheels 13 and 24 are universal rollers.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention in any way, and simple modifications, equivalent changes and modifications may be made without departing from the technical scope of the present invention.

Claims (4)

1. The utility model provides a hand power folding car, includes around stand (1, 12) around the left and right sides, controls folding leg, folding base, sets up front and back wheel (13, 24) on stand (1, 12) in the front and back, characterized by: the folding base comprises main connecting rods (22), main and auxiliary hinging seats (20, 23), base connecting rods (21), base folding rods (18) and diagonal folding rods (19), wherein the main and auxiliary hinging seats (20, 23) are correspondingly hinged between the auxiliary hinging seats (23) and the lower hinging seats (6) on the left front and rear upright columns (1, 12), and the base connecting rods (18) are correspondingly hinged between the main seat (20) and the right front and rear upright columns (1, 6) in an upward-folding manner, 12) And a diagonal folding rod (19) is correspondingly hinged between the main hinge seat (20) and the lower hinge seats (6) of the left front and rear upright posts (1, 12) in an upward-folding manner only between the upper lower hinge seats (6).

2. The hand-pulling folding cart as claimed in claim 1, which is characterized in that: the folding leg about include connecting rod (3, 10) around, support connecting rod (2, 11) around, sliding seat (8) activity sets up on corresponding front and back stand (1, 12), wherein the one end of connecting rod (3, 10) is articulated on articulated seat (7) on the front and back stand (1, 12) around the one side correspondence, the other end is articulated each other, wherein the one end of connecting rod (3, 10) is articulated on articulated seat (7) on the front and back stand (1, 12) around the opposite side correspondence, the other end passes through couple (9) to be connected, support connecting rod (2, 11) around corresponding articulate between connecting rod (3, 10) and sliding seat (8) on front and back stand (1, 12).

3. The hand-pulling folding cart according to claim 1 or 2, characterized in that: the hand-pulling folding trolley further comprises a hand-pulling device, the hand-pulling device comprises a handle (4), a handle connecting rod (16), a second steering joint (15) correspondingly fixed on the front upright columns (1) on the two sides, and a first steering joint (14) correspondingly hinged on the second steering joint (15), and the handle connecting rod (16) is correspondingly hinged between the first steering joint (14) and the handle (4).

4. The hand-pulling folding cart as recited in claim 3, further comprising: the front and rear wheels (13, 24) are universal rollers.

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