CN218172313U

CN218172313U - Folding push-pull vehicle

Info

Publication number: CN218172313U
Application number: CN202222651794.0U
Authority: CN
Inventors: 王伍洲
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2022-12-30
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a folding push-pull vehicle, which comprises a front chassis and a rear chassis, wherein the tail part of the front chassis is hinged with the head part of the rear chassis through a middle rotating shaft, the head part of the front chassis is hinged with a front baffle, the tail part of the rear chassis is hinged with a rear baffle, the front baffle is integrated with the push-pull rod, the two sides of the front chassis and the rear chassis are respectively provided with a plurality of guardrails, and the guardrails are respectively hinged with the front chassis and the rear chassis; the utility model discloses a hollow tubular metal resonator makes, and the bottom also has the part of support, improves the load capacity of loading article to the frame can be folded with a close plane, including handrail and both sides chassis, folding degree is high, and the space of saving is more, and the usage is wider.

Description

Folding push-pull vehicle

Technical Field

The utility model relates to a push-and-pull car technical field that is relevant especially relates to a foldable push-and-pull car.

Background

In the open air, people usually need to carry articles, for example, in farmland operation or field camping, some articles need to be carried, and for convenience of use, the push-pull cart is stored in a vehicle in advance and is taken out to a corresponding place for use, but the folding degree of the general push-pull cart is not high, and the occupied area is large during storage; the rigidity of materials used for the push-pull vehicle is insufficient, the bottom of the push-pull vehicle is easy to deform when more and larger objects are carried, even the push-pull vehicle collides with the ground, and the applicable environment is narrowed;

the application number 92229145.4 is a folding multifunctional traveling bag vehicle, which is formed by combining a vehicle frame, handrails and a traveling bag, is used for loading and conveying articles during traveling, and the traveling bag is arranged on the vehicle frame for loading the articles;

the trolley can be used for placing some articles, but the bottom of the trolley frame is not provided with a support, the weight and the number of loaded articles are limited, the weight and the number of the loaded articles are even deformed when some heavy objects are loaded, the articles of the articles sink, and the articles are possibly scratched and rubbed with the ground in the running process of the trolley frame; the folding degree of this chartered plane's frame is limited, and frame, underframe and vaulting pole are direct all that fixed connection can't fold up that specific saying so, and the storage space of saving is not many.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a foldable push-and-pull car to overcome and to have the folding degree among the prior art low, load the limited problem of article.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a foldable push-and-pull car, includes preceding chassis and back chassis, and the afterbody of preceding chassis is articulated through the pivot with the prelude of back chassis, and the prelude of preceding chassis is articulated to be equipped with preceding baffle, the afterbody of back chassis is articulated to be equipped with the backplate, and preceding baffle integral type upwards extends and is equipped with the push-and-pull rod, the both sides of preceding chassis and back chassis are equallyd divide and are do not are equipped with a plurality of guardrails, a plurality of guardrails are articulated with preceding chassis and back chassis respectively.

Further, a set of universal wheels is arranged at the bottom of each of the front baffle and the rear baffle, and casters are arranged on two sides of the middle rotating shaft.

Further elaborating, preceding chassis and back chassis level are placed, the guardrail all distributes with preceding chassis and back chassis are perpendicular, preceding baffle and backplate all distribute with preceding chassis and back chassis are perpendicular, through the detachable fixed connection of bolt between the guardrail, the lateral wall of guardrail passes through the detachable fixed connection of bolt and preceding baffle and backplate.

Further, one side wall of the guardrail is abutted to the upper surfaces of the front chassis and the rear chassis, the bottom surface of the front chassis and the bottom surface of the rear chassis are mutually abutted after being folded, and the front baffle and the rear baffle are respectively abutted to the front chassis and the rear chassis.

Further, the front baffle is detachably provided with a pair of drag rods, and the drag rods are rotatably connected with the front baffle.

Further, the front baffle and the front chassis are respectively provided with a limiting block, and the rear baffle and the rear chassis are respectively provided with a clamping strip.

Further elaborating, the joint strip of backplate with the stopper joint of preceding baffle, the joint strip of back chassis with the stopper joint on preceding chassis, the joint strip is connected with backplate and back chassis rotary type respectively.

Further, the front chassis and the rear chassis are fixedly provided with a plurality of cross rods.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a hollow tubular metal resonator makes, and the bottom also has the part of support, improves the load capacity of loading article to the frame can be folded with a close plane, including handrail and both sides chassis, folding degree is high, and the space of saving is more, and the usage is wider.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a side view of the utility model after being folded;

fig. 3 is a schematic view of the push-pull rod.

Reference is made to the accompanying drawings in which:

1-front chassis, 2-rear chassis, 3-central rotating shaft, 4-front baffle, 5-rear baffle, 6-push-pull rod, 7-guardrail, 8-universal wheel, 9-truckle, 10-drag rod, 11-clamping strip, 12-limiting block, 13-hinge, 21-bolt and 22-triangular steel sheet.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a number of an element is referred to as "a plurality," it can be any number of two or more. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The present invention will be described in detail with reference to embodiments shown in the drawings:

as shown in fig. 1-3, in the present embodiment, a foldable push-pull cart is provided, which includes a front chassis 1 and a rear chassis 2, a tail portion of the front chassis 1 is hinged to a head portion of the rear chassis 2 through a central rotating shaft 3, the front chassis 1 and the rear chassis 2 are hinged to the central rotating shaft 3 through a triangular steel sheet 22, the triangular steel sheet 22 is fixedly disposed at bottom portions of the front chassis 1 and the rear chassis 2, one end of the triangular steel sheet 22 is provided with a circular hole, the central rotating shaft 3 penetrates through the triangular steel sheet 22 through the circular hole to implement a rotational connection, the head portion of the front chassis 1 is hinged to a front baffle 4, the tail portion of the rear chassis 2 is hinged to a rear baffle 5, the front baffle 4 is integrally extended upward to be provided with a push-pull rod 6, two sides of the front chassis 1 and the rear chassis 2 are respectively provided with a plurality of guardrails 7, the guardrails 7 are respectively hinged to the front chassis 1 and the rear chassis 2, so that the front chassis 1 and the rear chassis 2 can be folded and horizontally placed, the hinges are both can be connected by a hinge 13, and bottoms of two ends of the frame are higher than two sides by one rod, and the two ends of the frame can be folded and balanced. When folding, firstly folding the two movable frame pieces (namely the guard rails 7) at two sides, then folding the two frame pieces (namely the front baffle 4 and the rear baffle 5), reserving a certain space for the rear baffle (namely the front baffle 4 and the rear baffle 5) when folding, enabling the guard rails to be folded between the chassis (namely the front chassis 1 and the rear chassis 2) and the baffle, and enabling the guard rails 7 not to interfere with the baffle when folding, so that a heightening cross rod is fixedly arranged on the upper surface of the head end of the front chassis 1 and the upper surface of the tail end of the rear chassis 2 respectively, a pair of heightening blocks is fixedly arranged on the side wall of the folding side of the baffle, a certain space is reserved between the baffle and the chassis after folding, the baffle can be kept horizontal with the chassis, and the baffle is rotatably connected with the heightening cross rod through hinges; in order to improve the carrying capacity, a plurality of cross rods are fixedly arranged on the front chassis 1 and the rear chassis 2 to improve the rigidity of the frame. It is worth mentioning that in order to achieve light weight, the chassis, the baffle, the cross bar and the guardrail 7 are all made of hollow metal tubes; push-and-pull rod 6 be the telescopic structure specifically for sill bar and go up the pull rod, through gear control between the two, common elasticity bump assembly is at the lateral wall of last pull rod, goes up the pull rod and inserts behind the sill bar, the gear hole butt that sets up on elasticity bump can and the sill bar, adjusts the height realization regulation of going up the pull rod through pressing down the elasticity bump.

The bottoms of the front baffle 4 and the rear baffle 5 are both provided with a group of universal wheels 8, and both sides of the middle rotating shaft 3 are both provided with trundles 9.

Example 1:

the utility model discloses a in the time of using, 2 levels on preceding chassis 1 and the rear chassis are placed, guardrail 7 all with preceding

chassis

1 and 2 vertical distributions on rear chassis, preceding baffle 4 and backplate 5 all distribute with preceding

chassis

1 and 2 vertical distributions on rear chassis, through the detachable fixed connection of bolt 21 between the guardrail 7, the lateral wall of guardrail 7 passes through bolt 21 and preceding baffle 4 and backplate 5 dismantlement formula fixed connection, bolt 21 is pegged graft to guardrail 7's vertical stand, and the both sides of baffle and bed hedgehopping post all are provided with the screw hole that suits with bolt 21, when using, guardrail 7 passes through bolt 21 and the screw hole threaded connection on the baffle, adjacent guardrail 7 also fixes through bolt 21.

It is worth mentioning that: the universal wheels and the caster wheels adopt sliding wheels capable of limiting movement, when all the sliding wheels are braked and stopped, the bed can be formed after a mattress is laid at the bottom of the bed, besides articles can be temporarily loaded, and the bed can be used for children to sleep.

Example 2:

in order to reduce occupation space, the utility model discloses can fold through following mode, a lateral wall and preceding chassis 1 of guardrail 7 and the upper surface butt on rear chassis 2, the bottom surface on preceding

chassis

1 and 2 bottom surfaces on rear chassis rotate back mutual butt along the shaft of revolution 3 after folding, preceding baffle 4 and backplate 5 equally divide do not with preceding

chassis

1 and 2 butts on rear chassis. The front baffle 4 and the front chassis 1 are respectively provided with a limiting block 12, the rear baffle 5 and the rear chassis 2 are respectively provided with a clamping strip 11, and the clamping strips 11 are respectively rotatably connected with the rear baffle 5 and the rear chassis 2; after the components are folded, the clamping strip 11 of the rear baffle 5 is clamped with the limiting block 12 of the front baffle 4, the clamping strip 11 of the rear chassis 2 is clamped with the limiting block 12 of the front chassis 1, and limiting closing after folding is achieved.

The vertical upright posts of the guardrail 7 are inserted with bolts 21, the two sides of the baffle and the heightening cross rod are provided with threaded holes matched with the bolts 21, and the guardrail 7 is in threaded connection with the threaded holes in the heightening cross rod through the bolts 21 in folding. After folding, the heightening block can abut against the chassis, the guardrail 7 is folded to incline and abut against the chassis, the bottom of the guardrail 7 and the side wall of the heightening block are provided with bolt 21 holes, the two holes can be coaxially arranged after folding, the bolt 21 is inserted into the two holes to be in threaded connection to fix the heightening block and the guardrail, and the folding structure is enabled to be folded to have higher reliability and is not easy to loosen.

Example 3:

in suburb or field operation, some fruits and vegetables are inevitably required to be carried, and a push-pull vehicle capable of transporting articles is required at the moment because the common electric vehicle does not have enough storage space; the electric vehicle tail shock absorber is characterized in that a pair of drag rods 10 are detachably arranged on the middle lower portion of a front baffle 4, the drag rods 10 are rotatably connected with the front baffle 4, a circular clamping piece is arranged at one end of each drag rod 10 and used for being connected with shock absorbing rods at two ends of the tail of an electric vehicle, the circular clamping piece comprises a semicircular block welded with the drag rods 10 and a cover piece connected with the semicircular block through threads, and the cover piece is also semicircular.

The technical features of the embodiments described above can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, however, as long as there is no contradiction between the combinations of the technical features, the combinations are considered to be within the scope described in the present specification, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A folding push-pull car is characterized in that: the rear chassis comprises a front chassis and a rear chassis, wherein the tail of the front chassis is hinged with the head of the rear chassis through a middle rotating shaft, the head of the front chassis is hinged with a front baffle, the tail of the rear chassis is hinged with a rear baffle, a push-pull rod is upwards extended and arranged in a front baffle integrated mode, a plurality of guardrails are respectively arranged on two sides of the front chassis and two sides of the rear chassis, and the guardrails are respectively hinged with the front chassis and the rear chassis.

2. A foldable push-pull cart according to claim 1, wherein: a group of universal wheels are arranged at the bottoms of the front baffle and the rear baffle, and trundles are arranged on two sides of the middle rotating shaft.

3. A foldable push-pull cart according to claim 2, wherein: preceding chassis and back chassis level are placed, the guardrail all distributes with preceding chassis and back chassis are perpendicular, preceding baffle and backplate all distribute with preceding chassis and back chassis are perpendicular, through the detachable fixed connection of bolt between the guardrail, the lateral wall of guardrail passes through the detachable fixed connection of bolt and preceding baffle and backplate.

4. A foldable push-pull cart according to claim 2, wherein: a side wall of the guardrail is abutted to the upper surfaces of the front chassis and the rear chassis, the bottom surface of the front chassis and the bottom surface of the rear chassis are abutted to each other in a folding mode, and the front baffle and the rear baffle are respectively abutted to the front chassis and the rear chassis.

5. A foldable push-pull cart according to claim 1, wherein: the front baffle is detachably provided with a pair of drag rods, and the drag rods are rotatably connected with the front baffle.

6. A foldable push-pull cart according to claim 1, wherein: the front baffle and the front chassis are respectively provided with a limiting block, and the rear baffle and the rear chassis are respectively provided with a clamping strip.

7. A foldable push-pull cart according to claim 6, wherein: the joint strip of backplate and the stopper joint of preceding baffle, the joint strip on rear chassis and the stopper joint on preceding chassis, the joint strip is connected with backplate and rear chassis rotary type respectively.

8. A foldable push-pull cart according to claim 1, wherein: and the front chassis and the rear chassis are fixedly provided with a plurality of cross rods.