CN112587889B

CN112587889B - Golf cart

Info

Publication number: CN112587889B
Application number: CN202011524130.7A
Authority: CN
Inventors: 高翔; 陈星�
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2024-11-29
Anticipated expiration: 2040-12-22
Also published as: CN112587889A

Abstract

The present invention discloses a golf cart, comprising a frame with an unfolded state and a folded state. In the unfolded state, the frame comprises: a bottom bracket extending in the front-back direction; a support bracket extending in the up-down direction, the lower part of which is rotatably connected to the rear part of the bottom bracket; a push rod bracket connected to the upper part of the support bracket and capable of being folded relative to the support bracket; a rear wheel bracket having two groups arranged on the left and right sides of the bottom bracket, each group of rear wheel brackets at least comprising a connecting rod with a rear wheel assembly installed at one end, the connecting rod being rotatably connected to the bottom bracket; and a driving assembly capable of driving the rear wheel brackets on both sides to rotate and fold relative to the bottom bracket during the process of the support bracket rotating and folding toward the bottom bracket. The golf cart of the present invention can link the rear wheel brackets and the bottom bracket to rotate and fold when the support bracket and the bottom bracket are pushed to rotate and fold. The operation is simple, and the folding of the frame in the height and width directions is at least realized at the same time. After the frame is folded, the structure is compact and the space occupied is small.

Description

Golf cart

Technical Field

The present invention relates to a golf cart.

Background

In the prior art, the golf cart has various structures, the folding principles are different, most golf carts can be folded through a plurality of steps, the operation is complicated, the cart frame can be folded in one or two directions such as height and length, the volume is still large after folding, and the golf cart is inconvenient to carry and store.

Disclosure of Invention

The invention aims to provide a golf cart which is simple and convenient to fold and has small folding volume.

In order to achieve the above purpose, the invention adopts the following technical scheme:

A golf cart comprising a frame having an expanded state and a collapsed state, a front wheel assembly and a rear wheel assembly disposed at a bottom of the frame, and a locking mechanism for locking the frame in the expanded state, the frame in the expanded state comprising:

the bottom bracket extends along the front-rear direction, and the front wheel assembly is arranged at the front part of the bottom bracket;

The support frame extends along the up-down direction, and the lower part of the support frame is rotationally connected to the rear part of the bottom bracket;

the push rod frame is connected to the upper part of the support frame and can be arranged in a folding way relative to the support frame;

The rear wheel support is provided with two groups which are respectively arranged at the left side and the right side of the bottom support, each group of rear wheel support at least comprises a connecting rod with one end part provided with the rear wheel assembly, and the connecting rod is rotationally connected to the bottom support;

The frame also comprises a driving component which can drive the rear wheel brackets on two sides to rotate and fold relative to the bottom bracket in the process that the supporting frame rotates and folds towards the bottom bracket.

Preferably, the rear wheel bracket comprises two connecting rods which are arranged in parallel, the rear wheel assembly comprises a rear wheel frame and a rear wheel body which is rotatably arranged on the rear wheel frame around a rear wheel shaft, and the outer ends of the two connecting rods are respectively and rotatably connected on the rear wheel frame.

Further, when the frame is in a folded state, the rear wheel bodies of the two groups of rear wheel assemblies are respectively close to the left side and the right side of the bottom bracket, and the axial leads of the two groups of rear wheel shafts extend in parallel or in a collinear manner.

Preferably, the driving assembly comprises a sliding part which is arranged on the bottom bracket in a relatively sliding manner along the front-back direction, a connecting frame which is rotationally connected between the sliding part and the supporting frame, and a driving rod which is rotationally arranged between the sliding part and the rear wheel bracket.

Further, the rear wheel bracket comprises two connecting rods which are arranged in parallel, one end part of the driving rod is rotationally connected to the sliding piece, and the other end part of the driving rod is rotationally connected to one of the connecting rods.

Further, a group of driving rods are arranged between the sliding piece and the rear wheel support at each side, the sliding piece moves forwards along the bottom support in the process of converting the unfolded state into the folded state, the rear wheel supports at two sides rotate relative to the bottom support, and the rear wheel assemblies are folded at the front side part of the bottom support.

Preferably, the front wheel assembly includes a front wheel bracket and a front wheel mounted at the front of the front wheel bracket, and the bottom bracket is connected to the front wheel bracket so as to be relatively slidable in a longitudinal direction thereof.

Further, a linkage assembly which can be linked to enable the front wheel support to slide backwards and fold relative to the bottom support when the rear wheel support rotates and folds relative to the bottom support is arranged between the rear wheel support and the front wheel support.

Still further, the linkage subassembly includes the gangbar that extends along fore-and-aft direction, the rear wheel support includes two that are parallel to each other the connecting rod, wherein one of them one side in the rear wheel support set firmly on the connecting rod the extension rod that inwards extends, the rear portion of gangbar rotationally connects on the extension rod, the front portion of gangbar rotationally connects on the front wheel support.

Preferably, the frame further comprises an upper bracket and a lower bracket, the lower part of the push rod frame, the upper part of the supporting frame and the upper bracket are mutually and rotatably connected together, the front wheel assembly comprises a front wheel bracket connected with the bottom bracket and a front wheel arranged at the front part of the front wheel bracket, and the lower bracket is fixedly arranged at the upper part of the front wheel bracket.

Compared with the prior art, the golf cart has the advantages that the driving assembly is arranged among the support frame, the bottom support and the rear wheel support, when a user pushes the support frame and the bottom support to rotate and fold, the rear wheel support and the bottom support can be linked to rotate and fold, the operation is simple and convenient, and the folding of the cart frame in the height and width directions is realized at least at the same time, so that the cart frame is compact in structure and small in occupied space after being folded.

Drawings

FIG. 1 is a schematic perspective view of a golf cart according to an embodiment of the present invention, wherein a frame is in a deployed state;

FIG. 2 is a side view of the golf car with the frame in the deployed state in this embodiment;

FIG. 3 is a top view of the golf cart with the frame in the extended position in this embodiment;

FIG. 4 is a bottom view of the golf car with the frame in the deployed state in this embodiment;

FIG. 5 is a schematic perspective view of a golf cart with a frame during folding in accordance with the present embodiment;

FIG. 6 is a side view of the golf car with the frame in the process of folding in this embodiment;

FIG. 7 is a top view of the golf car with the frame in the folding process in this embodiment;

FIG. 8 is a schematic perspective view of a golf cart with a frame in a folded state in this embodiment;

FIG. 9 is a side view of the golf car with the frame in a collapsed condition in this embodiment;

FIG. 10 is a top view of the golf car with the frame in a folded state in this embodiment;

FIG. 11 is a bottom view of the golf car with the frame in a folded state in this embodiment;

Wherein, 1, a frame, 11, a bottom bracket, 12, a supporting frame, 13, a push rod bracket, 14, a rear wheel bracket, 141, a connecting rod, 1411, an extension rod, 142, a connecting seat, 151, a sliding piece, 152, a connecting frame, 153, a driving rod, 16, an upper bracket, 17, a lower bracket, 181 and a linkage rod;

2. Front wheel assembly, front wheel bracket, front wheel 22;

3. rear wheel assembly, 31, rear wheel frame, 32, rear wheel axle, 33, rear wheel body.

Detailed Description

The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.

The description of the directions of up and down, left and right, front and back, inside and outside, etc. is defined herein according to the directions of up and down, left and right, front and back, inside and outside, etc. observed by a rear pusher when the golf cart is used normally.

Referring to the golf cart shown in fig. 1 to 4, the golf cart includes a frame 1 having an unfolded state and a folded state, a front wheel assembly 2 and a rear wheel assembly 3 provided at the bottom of the frame 1, and a locking mechanism for locking the frame 1 in the unfolded state.

The frame 1 comprises a bottom bracket 11, a supporting frame 12, a push rod bracket 13, a rear wheel bracket 14, a driving assembly, an upper bracket 16, a lower bracket 17 and a linkage assembly. Specifically, when the frame 1 is in an unfolded state, the bottom bracket 11 extends in the front-rear direction, the front wheel assembly 2 is provided at the front of the bottom bracket 11, the support frame 12 extends in the up-down direction, the lower part of the support frame 12 is rotatably connected to the rear of the bottom bracket 11 through a rotation shaft c, and the push rod frame 13 is connected to the upper part of the support frame 12 and is foldable relative to the support frame 12, specifically, is rotatably connected to the support frame 12 through a rotation shaft a. Wherein the axes of the rotating shaft a and the rotating shaft c are parallel to each other and extend along the left-right direction.

The rear wheel brackets 14 have two groups respectively provided on the left and right sides of the bottom bracket 11, and each group of rear wheel brackets 14 includes at least a link 141 having one end portion provided with the rear wheel assembly 3, the link 141 being rotatably connected to the bottom bracket 11, and the link 141 being specifically connected to the connection base 142. In this embodiment, each set of rear wheel brackets 14 includes two connecting rods 141 disposed parallel to each other and extending gradually outwards from front to back, the two connecting rods 141 being disposed in tandem, inner ends of the two connecting rods 141 being respectively rotatably connected to the connection base 142, wherein the connecting rod 141 located on the front side is rotatably connected to the connection base 142 through a rotation axis m, and the connecting rod 141 located on the rear side is rotatably connected to the connection base 142 through a rotation axis g.

The rear wheel assembly 3 includes a rear wheel frame 31, a rear wheel body 33 rotatably mounted on the rear wheel frame 31 about a rear wheel axle 32, the axes of the two sets of rear wheel axles 32 extending parallel or collinear with each other when the frame 1 is in a deployed state, outer end portions of two links 141 each rotatably connected to the rear wheel frame 31, wherein a link 141 on the front side is rotatably connected to the rear wheel frame 31 through a rotation axis j, and a link 141 on the rear side is rotatably connected to the rear wheel frame 31 through a rotation axis i. When the frame 1 is in the unfolded state, the axes of the rotating shaft m, the rotating shaft g, the rotating shaft j and the rotating shaft i are parallel to each other and extend along the up-down direction, and the rotating shaft m is positioned at the inner side of the rotating shaft g, and the rotating shaft j is positioned at the inner side of the rotating shaft i.

In the present embodiment, the driving assembly includes a slider 151 provided on the bottom bracket 11 so as to be relatively slidable in the front-rear direction, a link 152 rotatably connected between the slider 151 and the support frame 12, and two driving levers 153 respectively rotatably provided between the slider 151 and the rear wheel brackets 14 on both sides. Specifically, the bottom bracket 11 comprises two bottom struts arranged in parallel, the left side and the right side of the sliding piece 151 are respectively sleeved on the corresponding bottom struts in a sliding manner, the supporting frame 12 comprises two support rods arranged in parallel, the connecting frame 152 is provided with two connecting rods which are respectively arranged on the left side and the right side, the connecting rods extend from front to back in a gradually upward inclined manner, the upper end part of each connecting rod is rotationally connected with the support rod on the corresponding side through a rotating shaft b, the lower end part of each connecting rod is rotationally connected with the bottom strut on the corresponding side through a rotating shaft d, each driving rod 153 is rotationally connected with the corresponding side part of the sliding piece 151 from front to back in a gradually outward bending manner, and the rear end part of the driving rod 153 is rotationally connected with one connecting rod 141 on the rear side through a rotating shaft h. The axes of the rotating shaft b and the rotating shaft d are parallel to each other and extend along the left-right direction, the axes of the rotating shaft k and the rotating shaft h are parallel to each other and extend along the up-down direction, and the rotating shaft h is located between the rotating shaft g and the rotating shaft i in the length direction of the connecting rod 141. In this way, in the process of rotating and folding the support frame 12 towards the bottom bracket 11, the driving assembly can drive the rear wheel brackets 14 on two sides to rotate and fold relative to the bottom bracket 11, and the axial leads of the two rear wheel shafts 32 always keep parallel or collinear extension in the folding process.

In the present embodiment, the front wheel assembly 2 includes a front wheel bracket 21 and a front wheel 22 mounted on the front portion of the front wheel bracket 21, and the bottom bracket 11 is connected to the front wheel bracket 21 so as to be relatively slidable in the longitudinal direction thereof.

The linkage assembly is arranged between the rear wheel bracket 14 and the front wheel bracket 21 and is used for linkage when the rear wheel bracket 14 rotates and folds relative to the bottom bracket 11, so that the front wheel bracket 21 slides and folds relative to the bottom bracket 11. Here, the linkage assembly includes a linkage rod 181 extending in the front-rear direction, wherein an extension rod 1411 extending inward is fixedly arranged on one connecting rod 141 in one side rear wheel bracket 14, as shown in fig. 3 and 4, in this embodiment, the extension rod 1411 is specifically connected to the connecting rod 141 located at the front side in the left side rear wheel bracket 14, the rear part of the linkage rod 181 is rotationally connected to the extension rod 1411 through a rotation shaft e, the front part of the linkage rod 181 is rotationally connected to the front wheel bracket 21 through a rotation shaft f, and the rotation shafts e and the axis of the rotation shaft f are parallel to each other and all extend in the up-down direction. Thus, when the rear wheel bracket 14 is folded in a rotating manner relative to the bottom bracket 11, the linkage assembly can be linked to enable the front wheel bracket 21 to slide backwards relative to the bottom bracket 11.

In addition, the frame 1 further includes an upper bracket 16 and a lower bracket 17 for placing golf bags (not shown), the lower portion of the push rod bracket 13, the upper portion of the support frame 12 and the upper bracket 16 are rotatably coupled to each other by a rotation shaft a, and the lower bracket 17 is fixedly provided at the upper portion of the front wheel bracket 21.

In this embodiment, the locking mechanism may be disposed between any of the above-mentioned rotating or sliding connection components, which is not particularly important in the present technical solution, and may be adopted in the prior art.

The folding process of the golf cart in this embodiment is specifically described as follows:

Referring to fig. 5 to 7, when the golf ball is to be folded, the locking mechanism is first unlocked so that the components can be freely rotated or slid, then the push rod frame 13 and the support frame 12 are pressed down so that the support frame 12 rotates forwards around the rotation axis c and is folded with the bottom bracket 11, the sliding member 151 is pushed to slide forwards along the bottom bracket 11 by the connecting frame 152, the rear wheel brackets 14 on both sides are driven to rotate relative to the bottom bracket 11 by the driving rod 153 so that the rear wheel assembly 3 is folded on the front side part of the bottom bracket 11, and meanwhile the linkage rod 181 drives the front wheel assembly 2 to slide backwards.

Referring to fig. 8 to 11, when the frame 1 is in a folded state, the rear wheel bodies 33 of the two sets of rear wheel assemblies 3 are respectively close to the left and right sides of the bottom bracket 11, and the axial lines of the two sets of rear wheel shafts 32 extend parallel or collinear with each other, so that the frame 1 is folded in the height, width and length directions at the same time, the folding operation is simple and convenient, the folding volume is small, and the storage and the carrying are convenient.

The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.

Claims

1. A golf cart, comprising a frame having an unfolded state and a folded state, a front wheel assembly and a rear wheel assembly arranged at the bottom of the frame, and a locking mechanism for locking the frame in the unfolded state, wherein the frame in the unfolded state comprises:

A bottom bracket, the bottom bracket extending in a front-to-rear direction, the front wheel assembly being arranged at a front portion of the bottom bracket;

A support frame, the support frame extending in the up-down direction, the lower portion of the support frame being rotatably connected to the rear portion of the bottom bracket;

A push rod frame, the push rod frame is connected to the upper part of the support frame and can be folded relative to the support frame;

A rear wheel bracket, wherein the rear wheel bracket has two groups arranged on the left and right sides of the bottom bracket, each group of the rear wheel bracket comprises at least one connecting rod with the rear wheel assembly mounted on one end, and the connecting rod is rotatably connected to the bottom bracket;

The frame also includes a driving assembly that can drive the rear wheel brackets on both sides to rotate and retract relative to the bottom bracket during the process of the support bracket rotating and retracting toward the bottom bracket. The driving assembly includes a sliding member that can be relatively slidably arranged on the bottom bracket along the front and rear directions, and a connecting frame that is rotatably connected between the sliding member and the support frame. The driving assembly also includes a driving rod rotatably arranged between the sliding member and the rear wheel bracket. A group of the driving rods is provided between the sliding member and the rear wheel bracket on each side. During the process of the frame being converted from an unfolded state to a folded state, the sliding member moves forward along the bottom bracket, and the rear wheel brackets on both sides rotate relative to the bottom bracket and cause the rear wheel assembly to be retracted at the front side of the bottom bracket.

2. The golf cart according to claim 1 is characterized in that: the rear wheel bracket includes two connecting rods arranged parallel to each other, the rear wheel assembly includes a rear wheel frame, a rear wheel body rotatably mounted on the rear wheel frame around a rear wheel axle, and the outer ends of the two connecting rods are respectively rotatably connected to the rear wheel frame.

3. The golf cart according to claim 2, wherein when the frame is in a folded state, the rear wheel bodies of the two sets of rear wheel assemblies are respectively close to the left and right sides of the bottom bracket, and the axis lines of the two sets of rear wheel axles are parallel or colinearly extended.

4. The golf cart according to claim 1, wherein the rear wheel bracket comprises two connecting rods arranged parallel to each other, one end of the driving rod is rotatably connected to the sliding member, and the other end of the driving rod is rotatably connected to one of the connecting rods.

5. The golf cart according to claim 1, wherein the front wheel assembly comprises a front wheel bracket and a front wheel mounted on the front of the front wheel bracket, and the bottom bracket is connected to the front wheel bracket in a relatively slidable manner along its length direction.

6. The golf cart according to claim 5, characterized in that a linkage assembly is provided between the rear wheel bracket and the front wheel bracket, which can be linked to make the front wheel bracket slide backward and be retracted relative to the bottom bracket when the rear wheel bracket is rotated and retracted relative to the bottom bracket.

7. The golf cart according to claim 6, wherein the linkage assembly comprises a linkage rod extending in the front-rear direction, the rear wheel bracket comprises two connecting rods arranged parallel to each other, one of the connecting rods in one side of the rear wheel bracket is fixedly provided with an inwardly extending extension rod, the rear portion of the linkage rod is rotatably connected to the extension rod, and the front portion of the linkage rod is rotatably connected to the front wheel bracket.

8. The golf cart according to claim 1 is characterized in that: the frame also includes an upper bracket and a lower bracket, the lower part of the push rod bracket, the upper part of the support bracket and the upper bracket are rotatably connected to each other; the front wheel assembly includes a front wheel bracket connected to the bottom bracket and a front wheel installed in the front part of the front wheel bracket, and the lower bracket is fixedly arranged on the upper part of the front wheel bracket.