CN221438033U - Foldable trolley - Google Patents

Abstract

The utility model discloses a foldable handcart, comprising: the folding frame comprises a front frame and a rear frame, the moving assembly comprises at least one front wheel, at least one rear wheel and a fixing assembly, the folding assembly comprises a folding underframe, at least one side frame and at least one fixing tube, the folding assembly is arranged between the front frame and the rear frame, the side frame comprises two groups of folding units which are arranged in a crossing mode, each folding unit comprises a short rod and a long rod, the short rods are rotatably connected with the frame assembly, the long rods are rotatably connected with the folding underframe, the fixing tube is provided with a bending angle of 90 degrees, one end of the fixing tube is rotatably connected with the long rods, and the other end of the fixing tube is arranged below the folding underframe.

Description

Foldable trolley

Technical Field

The utility model relates to the technical field of trolleys, in particular to a foldable trolley.

Background

When daily shopping, people can sometimes use the handcart to carry articles, but sometimes go a little farther place to carry a handcart can be inconvenient, and people can choose to carry the handcart which can be folded because the handcart cannot be carried when traveling by taking a transportation means.

The existing Chinese patent with the publication number of CN115923902A has small storage space, can not meet the requirements of users for buying a plurality of or large goods, and has large volume after folding, and is inconvenient to store.

Based on the above problems, a new foldable trolley is provided, which has a long storage space, can be used for containing large or many commodities, has a small volume after being folded, can be conveniently stored, has a firm structure and can bear a strong load.

Disclosure of utility model

The utility model provides a foldable handcart, which comprises a frame assembly, a moving assembly and a folding assembly, wherein the frame assembly is connected with the moving assembly;

the frame assembly includes a front frame and a rear frame;

the moving assembly comprises at least one front wheel, at least one rear wheel and a fixed assembly;

the folding assembly comprises a folding underframe, at least one side frame and at least one fixed pipe;

The folding assembly is arranged between the front frame and the rear frame, the side frames comprise two groups of folding units which are arranged in a crossing way, the folding units comprise short rods and long rods, the short rods are rotatably connected with the frame assembly, and the long rods are rotatably connected with the folding underframe;

The fixed pipe has 90 bending angles, and fixed pipe one end and stock form rotatable connection, and the other end setting of fixed pipe is in folding chassis below.

Compared with the prior art, the utility model has the advantages that the storage space is larger when the utility model is unfolded, more or larger articles can be stored, after folding, the volume is smaller, the storage is easier, the structure is firmer, and the bearing capacity is stronger.

Drawings

In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic structural view of a frame assembly;

FIG. 3 is an exploded view of the front frame;

FIG. 4 is an exploded view of the rear frame;

FIG. 5 is an exploded view of the mobile assembly;

FIG. 6 is a schematic structural view of a fixing assembly;

FIG. 7 is a schematic view of the structure of the rear wheel holder;

FIG. 8 is a schematic view of a folding assembly;

FIG. 9 is a schematic view of a structure of a folding chassis;

FIG. 10 is a schematic view of a folding unit

FIG. 11 is a schematic view of the attachment location of a side frame;

FIG. 12 is a schematic structural view of a stationary tube;

fig. 13 is a schematic view of the position of the stationary tube.

In the figure:

1000. Foldable trolley, 2000, frame assembly, 2100, front frame, 2110, front bar, 2120, bottom, 2130, upright, 2200, rear frame, 2220, rear bar, 2230, cross bar, 2300, armrest, 3000, moving assembly, 3100, front wheel, 3200, rear wheel, 3300, securing assembly, 3310, front wheel securing assembly, 3320, rear wheel securing assembly, 3321, connector, 3322, shaft, 3323, connecting rod, 3410, front wheel through hole, 3420, rear wheel through hole, 4000, folding assembly, 4100, folding chassis, 4110, unfolding bar, 4111, shaft, 4120, strut, 4200, side frame, 4211, short bar, 4212, long bar, 4213, rotation shaft, 4220, first folding unit, 4230, second folding unit, 4300, securing tube.

Detailed Description

Having summarized various aspects and features of certain embodiments, the following detailed description will further describe several exemplary embodiments so that those skilled in the art can practice them. Reference will now be made in detail to embodiments of the present inventive concept, examples of which are illustrated in the accompanying drawings. The figures are not necessarily drawn to scale. The examples described are for illustrative purposes only and are not intended to limit the scope of the present utility model. It will be appreciated, however, by one of ordinary skill in the art that the inventive concepts may be practiced without these specific details.

It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first accessory may be referred to as a second accessory, and likewise, a second accessory may be referred to as a first accessory, without departing from the scope of the inventive concept.

It will be understood that when an element or layer is referred to as being "on" another element or layer, "coupled to" or "connected to" the other element or layer, it can be directly on, coupled to or connected to the other element or layer, or intervening elements or layers may also be present. In contrast, when an element is referred to as being "directly on," "directly coupled to," or "directly connected to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. As used in the description of the inventive concepts and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise.

As shown in fig. 1, the present utility model provides a foldable wagon 1000, the foldable wagon 1000 including a frame assembly 2000, a moving assembly 3000, and a folding assembly 4000:

As shown in fig. 2, the frame assembly 2000 includes a front frame 2100 and a rear frame 2200, respectively, which are located at the front and rear sides of the foldable wagon 1000, the front frame 2100 being generally U-shaped (as shown in fig. 3) having a horizontal bottom 2120 and two vertical portions 2130, the vertical portions 2130 extending vertically upward from the bottom 2120, a front bar 2110 being provided on the front frame 2100, the front bar 2110 being connected to the folding unit 4210 and being fixed to the front frame 2100.

As shown in fig. 4, a rear bar 2220 and an armrest 2300 are provided on the rear frame 2200, the armrest 2300 is sleeved on the rear frame 2200, the lower end of the rear frame 2200 is fixedly connected with the rear wheel fixing base 3320, a cross bar 2230 is provided on the rear frame 2200, both ends of the cross bar 2230 are respectively connected to both sides of the rear frame 2200, both ends of the rear bar 2220 are connected to both sides of the rear frame 2200 by screws, and the rear bar 2220 and the front bar 2110 are disposed at the same height position.

As shown in fig. 5, the moving assembly 3000 includes a front wheel 3100, a rear wheel 3200 and a fixing assembly 3300, the moving assembly 3000 is located under the frame assembly 2000, the fixing assembly 3300 (as shown in fig. 6) includes a front wheel fixing base 3310 and a rear wheel fixing base 3320, a front wheel through hole 3410 is provided in the middle of the front wheel 3100, a rear wheel through hole 3420 is provided in the middle of the rear wheel 3200, the lower end of the front wheel fixing base 3310 is connected to the front wheel through hole 3410, and the upper end of the front wheel fixing base 3310 is fixed at a horizontal bottom 2120 of the front frame 2100.

As shown in fig. 5 to 7, the rear wheel fixing base 3320 includes a connecting member 3321, a shaft 3322 and a connecting rod 3323, the connecting member 3321 is sleeved outside the shaft 3322, the shaft 3322 is rotatably connected with the connecting member 3321, the connecting rod 3323 is fixedly connected with the connecting member 3321, and the rear wheel fixing base 3320 further includes a plug rod and a fixing block (not shown) for fixing the rear wheel fixing base 3320 in a matching manner.

As shown in fig. 8, the folding assembly 4000 includes a folding chassis 4100, side frames 4200, and a fixing tube 4300 connected to the side frames 4200, the folding chassis 4100 (as shown in fig. 9) includes a deployment lever 4110 and at least one strut 4120, the deployment lever 4110 is disposed along a length direction of the foldable wagon 1000, and a center portion of the deployment lever 4110 is provided with a rotatable shaft 4111, both ends of the deployment lever 4110 are rotatable relatively about the shaft 4111 such that the folding chassis 4100 has a folded state and a deployed state, the struts 4120 are disposed along a width direction of the foldable wagon 1000, both ends of the struts 4120 are connected to the deployment lever 4110, respectively, wherein an arrangement direction of the struts is transverse to an arrangement direction of the deployment lever, one end of the deployment lever 4110 is rotatably connected to the long lever 4212 of the first folding unit 4220, and the other end of the deployment lever 4110 is rotatably connected to the long lever 4212 of the second folding unit 4230.

As shown in fig. 10, in the present embodiment, the side frame 4200 includes two sets of folding units 4210, each set of folding units 4210 includes a short bar 4211 and a long bar 4212, wherein a rotation shaft 4213 is provided between the short bar 4211 and the long bar 4212, the short bar 4211 and the long bar 4212 are rotatable about the rotation shaft 4213 so that the side frame 4200 has a folded state and an unfolded state (as shown in fig. 11) rotatably connected in an X-shape between the two sets of folding units 4210, the folding units 4210 includes a first folding unit 4220 and a second folding unit 4230, the side frame 4200 and the folding chassis 4100 have both a folded state and an unfolded state so that the foldable wagon 1000 also has a folded state and an unfolded state, one end of the first folding unit 4220 is connected to the rear bar 2220, and one end of the second folding unit 4230 is connected to the front bar 2110, wherein the short bar 4211 is kept level with the ground when the foldable wagon 1000 is in the unfolded state.

As shown in fig. 12, the fixing tube 4300 is generally U-shaped with a horizontal bottom, one end of the fixing tube 4300 (as shown in fig. 13) is connected to the side frame 4200, and the other end of the fixing tube 4300 is disposed below the folding chassis 4100, and the fixing tube 4300 plays a supporting role for the folding chassis 4100 when the folding chassis 4100 is in an unfolded state.

The frame 2000 and the folding assembly 4000 together form a receiving space when the cart 1000 is unfolded, and the moving assembly 3000 is coupled to the frame 2000 such that the cart 1000 can be freely moved.

The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (10)

1. A collapsible cart (1000), comprising: frame subassembly (2000), remove subassembly (3000) and folding subassembly (4000), its characterized in that:

the frame assembly (2000) includes a front frame (2100) and a rear frame (2200);

The moving assembly (3000) comprises at least one front wheel (3100), at least one rear wheel (3200) and a stationary assembly (3300);

The folding assembly includes a folding chassis (4100), at least one side frame (4200), and at least one stationary tube (4300);

Wherein the folding assembly (4000) is disposed between the front frame (2100) and the rear frame (2200), the side frames (4200) comprising two sets of folding units (4210) disposed crosswise, the folding units (4210) comprising a short bar (4211) and a long bar (4212), wherein the short bar (4211) and the frame assembly (2000) are rotatably connected, and the long bar (4212) and the folding chassis (4100) are rotatably connected;

Wherein the fixed tube (4300) has a bending angle of 90 °, one end of the fixed tube (4300) and the long rod (4212) are rotatably connected, and the other end of the fixed tube (4300) is disposed below the folding chassis (4100).

2. The foldable wagon of claim 1, wherein: the folding chassis (4100) comprises two unfolding rods (4110) and at least one supporting rod (4120), the unfolding rods (4110) are arranged along the length direction of the foldable trolley (1000), a rotatable shaft (4111) is arranged in the middle of each unfolding rod (4110), and two ends of each unfolding rod (4110) can rotate relatively around the corresponding shaft (4111), so that the folding chassis (4100) has a folded state and an unfolded state.

3. The foldable wagon of claim 2, wherein: the folding unit (4210) comprises a first folding unit (4220) and a second folding unit (4230), one end of the unfolding lever (4110) is rotatably connected with the long lever (4212) of the first folding unit (4220), the other end of the unfolding lever (4110) is rotatably connected with the long lever (4212) of the second folding unit (4230), wherein the long lever (4212) of the second folding unit (4230) is rotatably connected with the rear frame (2200).

4. A collapsible cart as claimed in claim 3, wherein: the support rods (4120) are arranged along the width direction of the foldable trolley (1000), and two ends of the support rods (4120) are respectively connected to the unfolding rods (4110), wherein the arrangement direction of the support rods is transverse to the arrangement direction of the unfolding rods.

5. The foldable wagon of claim 4, wherein: a rotation shaft (4213) is disposed between the short bar (4211) and the long bar (4212), the short bar (4211) and the long bar (4212) can rotate around the rotation shaft (4213) so that the side frame (4200) has a folded state and an unfolded state, wherein the short bar (4211) of the first folding unit (4220) is rotatably connected to the rear frame (2200), the short bar (4211) of the second folding unit (4230) is rotatably connected to the front frame (2100), and the short bar (4211) is kept horizontal with the ground when the folding chassis (4100) is in the unfolded state.

6. The foldable wagon of claim 5, wherein: the stationary tube (4300) supports the folded chassis (4100) when the folded chassis (4100) is in an unfolded state.

7. The foldable wagon of claim 6, wherein: the front frame (2100) is generally U-shaped, having a horizontal base (2120) and two vertical portions (2130) extending vertically upward from the base (2120).

8. The foldable wagon of claim 7, wherein: the rear frame (2200) is provided with a rear stop lever (2220), an armrest (2300) and a cross bar (2230), wherein two ends of the cross bar (2230) are respectively connected to two sides of the rear frame (2200).

9. The foldable wagon of claim 8, wherein: the fixing assembly (3300) comprises a front wheel fixing seat (3310) and a rear wheel fixing seat (3320), a front wheel through hole (3410) is formed in the middle of the front wheel (3100), a rear wheel through hole (3420) is formed in the middle of the rear wheel (3200), the lower end of the front wheel fixing seat (3310) is connected to the front wheel through hole (3410), and the upper end of the front wheel fixing seat (3310) is fixed at the bottom (2120) of the front frame (2100).

10. The foldable wagon of claim 9, wherein: rear wheel fixing base (3320) includes connecting piece (3321), axostylus axostyle (3322) and connecting rod (3323), wherein, connecting piece (3321) cover is in rear frame (2200) lower extreme, axostylus axostyle (3322) pass connecting piece (3321) rotationally connect in rear wheel through-hole (3420), connecting rod (3323) fixed connection is in on connecting piece (3321).