CN112587889A

CN112587889A - Golf cart

Info

Publication number: CN112587889A
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: 2021-04-02
Anticipated expiration: 2040-12-22
Also published as: CN112587889B

Abstract

The invention discloses a golf cart, which comprises a cart frame with an unfolding state and a folding state, wherein the cart frame in the unfolding state comprises: a bottom bracket extending in a front-rear direction; a support frame extending along the up-down direction, the lower part of the support frame is rotationally connected with the rear part of the bottom bracket; the push rod frame is connected to the upper part of the support frame and can be folded relative to the support frame; the rear wheel brackets are respectively arranged on the left side and the right side of the bottom bracket, each rear wheel bracket group at least comprises a connecting rod, one end part of the connecting rod is provided with a rear wheel component, and the connecting rod is rotationally connected to the bottom bracket; the driving assembly can drive the rear wheel supports on two sides to rotate and fold in relative to the bottom bracket in the process that the supporting frame rotates and folds in towards the bottom bracket. The golf cart provided by the invention can be linked with the rear wheel support and the bottom support to rotate and fold when the support frame and the bottom support are pushed to rotate and fold, is simple and convenient to operate, at least realizes folding of the cart frame in the height and width directions, and has a compact structure and small occupied space after the cart frame is folded.

Description

Golf cart

Technical Field

The invention relates to a golf cart.

Background

Among the prior art, golf cart's structure is various, and its folding principle is also diverse, and most golf carts need a plurality of steps just can accomplish folding, and the operation is comparatively loaded down with trivial details, and the frame can only realize folding up in one or two directions such as height, length, and folding back volume is still great, portable and storage not convenient.

Disclosure of Invention

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

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

a golf cart, comprising a cart frame having an unfolded state and a folded state, a front wheel assembly and a rear wheel assembly provided at the bottom of the cart frame, and a locking mechanism for locking the cart frame in the unfolded state, the cart frame in the unfolded state comprising:

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

the supporting frame extends along the vertical direction, and the lower part of the supporting frame is rotatably 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 mode relative to the support frame;

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

the frame further comprises a driving assembly capable of driving 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 arranged in parallel, the rear wheel assembly comprises a rear wheel frame and a rear wheel body rotatably mounted on the rear wheel frame around a rear wheel shaft, and the outer ends of the two connecting rods are respectively rotatably connected to the rear wheel frame.

Furthermore, 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 are parallel or extend in a collinear way.

Preferably, the driving assembly includes a sliding member disposed on the bottom bracket in a manner of relatively sliding in a front-rear direction, a connecting frame rotatably connected between the sliding member and the supporting frame, and a driving rod rotatably disposed between the sliding member and the rear wheel bracket.

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

Furthermore, a group of driving rods are arranged between the sliding piece and the rear wheel brackets on each side, when the frame is converted from the unfolded state to the folded state, the sliding piece moves forwards along the bottom bracket, and the rear wheel brackets on two sides rotate relative to the bottom bracket to enable the rear wheel assemblies to be folded at the front side part of the bottom bracket.

Preferably, the front wheel assembly comprises a front wheel bracket and a front wheel arranged at the front part of the front wheel bracket, and the bottom bracket is connected with the front wheel bracket in a manner of relatively sliding along the length direction of the bottom bracket.

Furthermore, a linkage assembly which can link the rear wheel support 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.

Furthermore, the linkage subassembly includes the gangbar that extends along the fore-and-aft direction, the rear wheel support includes two of mutual parallel arrangement the connecting rod, one of them side in the rear wheel support one the extending rod of inside extension has set firmly on the connecting rod, the rear portion of gangbar is connected with rotating on the extending rod, the front portion of gangbar is connected with rotating on the front wheel support.

Preferably, the frame further comprises an upper bracket and a lower bracket, and the lower part of the push rod frame, the upper part of the support frame and the upper bracket are 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.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the golf cart, 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, the folding of the cart frame in the height direction and the width direction is at least realized, the structure is compact after the cart frame is folded, and the occupied space is small.

Drawings

FIG. 1 is a schematic perspective view of a golf cart in accordance with an embodiment of the present invention, with the cart frame in an expanded position;

FIG. 2 is a side view of the golf cart of this embodiment with the frame in an expanded position;

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

FIG. 4 is a bottom view of the golf cart of this embodiment with the frame in an expanded position;

FIG. 5 is a schematic perspective view of the golf cart of this embodiment with the frame in the folded position;

FIG. 6 is a side view of the golf cart of this embodiment with the frame in the collapsed position;

FIG. 7 is a top view of the golf cart of this embodiment with the frame in the collapsed position;

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

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

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

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

wherein: 1. a frame; 11. a bottom bracket; 12. a support frame; 13. a push rod frame; 14. a rear wheel support; 141. a connecting rod; 1411. an extension rod; 142. a connecting seat; 151. a slider; 152. a connecting frame; 153. a drive rod; 16. An upper bracket; 17. a lower bracket; 181. a linkage rod;

2. a front wheel assembly; 21. a front wheel bracket; 22. a front wheel;

3. a rear wheel assembly; 31. a rear wheel carrier; 32. a rear wheel axle; 33. a rear wheel body.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the specific embodiments.

The description of the top, bottom, left, right, front, back, inside and outside directions in this document is defined according to the top, bottom, left, right, front, back, inside and outside directions as viewed by the rear walker during normal use of the golf cart.

Referring to fig. 1 to 4, the golf cart includes a cart 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 cart frame 1, and a locking mechanism for locking the cart frame 1 in the unfolded state.

The frame 1 comprises a bottom bracket 11, a support 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 the unfolded state, the bottom bracket 11 extends in the front-rear direction, and the front wheel assembly 2 is provided at the front portion of the bottom bracket 11; the supporting frame 12 extends along the up-down direction, and the lower part of the supporting frame 12 is rotatably connected with the rear part of the bottom bracket 11 through a rotating shaft c; the push rod frame 13 is connected to the upper portion of the support frame 12 and can be folded relative to the support frame 12, and specifically is rotatably connected to the support frame 12 through a rotating 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 and right direction.

The rear wheel brackets 14 are provided with two groups which are respectively arranged at the left side and the right side of the bottom bracket 11, each group of rear wheel brackets 14 at least comprises a connecting rod 141 of which one end is provided with the rear wheel component 3, the connecting rod 141 is rotatably connected on the bottom bracket 11, and the concrete connecting rod 141 is connected on the connecting seat 142. In this embodiment, each set of the rear wheel brackets 14 includes two connecting rods 141 which are arranged in parallel with each other and extend obliquely outward from front to back, the two connecting rods 141 are arranged in tandem, inner ends of the two connecting rods 141 are respectively and rotatably connected to the connecting base 142, wherein the connecting rod 141 on the front side is rotatably connected to the connecting base 142 through a rotating shaft m, and the connecting rod 141 on the rear side is rotatably connected to the connecting base 142 through a rotating shaft g.

The rear wheel assembly 3 comprises a rear wheel frame 31, a rear wheel body 33 rotatably mounted on the rear wheel frame 31 around a rear wheel shaft 32, when the frame 1 is in the unfolded state, the axial lines of the two sets of rear wheel shafts 32 extend parallel or collinear to each other, the outer ends of two connecting rods 141 are respectively rotatably connected to the rear wheel frame 31, wherein the connecting rod 141 at the front side is rotatably connected to the rear wheel frame 31 through a rotating shaft j, and the connecting rod 141 at the rear side is rotatably connected to the rear wheel frame 31 through a rotating shaft 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 vertical direction, and the rotating shaft m is located at the inner side of the rotating shaft g and the rotating shaft j is located at the inner side of the rotating shaft i.

In this embodiment, the driving assembly includes a slider 151 disposed on the bottom bracket 11 to be relatively slidable in the front-rear direction, a connecting bracket 152 rotatably connected between the slider 151 and the supporting bracket 12, and two driving levers 153 rotatably disposed between the slider 151 and the rear wheel brackets 14 on both sides, respectively. Specifically, the bottom bracket 11 includes two bottom support rods arranged in parallel, and the left and right sides of the sliding member 151 are respectively slidably sleeved on the corresponding bottom support rods; the support frame 12 comprises two support rods arranged in parallel, the connecting frame 152 is provided with two connecting rods which are respectively arranged at the left side and the right side, the connecting rods extend upwards and obliquely from front to back gradually, the upper end part of each connecting rod is rotatably connected with the support rod at the corresponding side through a rotating shaft b, and the lower end part of each connecting rod is rotatably connected with the bottom support rod at the corresponding side through a rotating shaft d; each of the driving levers 153 is bent outward gradually from front to rear, a front end portion of the driving lever 153 is rotatably connected to a corresponding side portion of the slider 151 by a rotation shaft k, and a rear end portion of the driving lever 153 is rotatably connected to one of the links 141 at the rear side by a rotation shaft h. The axes of the rotation shaft b and the rotation shaft d are parallel to each other and extend in the left-right direction, the axes of the rotation shaft k and the rotation shaft h are parallel to each other and extend in the up-down direction, and the rotation shaft h is located between the rotation shaft g and the rotation shaft i in the length direction of the connecting rod 141. Therefore, in the process of rotating and folding the support frame 12 toward the bottom bracket 11, the driving assembly can drive the rear wheel brackets 14 at two sides to rotate and fold relative to the bottom bracket 11, and the axial leads of the two rear wheel shafts 32 are always kept parallel or extend in a collinear manner in the folding process.

In this 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 able to slide relatively 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 to enable the front wheel bracket 21 to slide backwards and fold relative to the bottom bracket 11 when the rear wheel bracket 14 rotates 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 extending rod 1411 extending inward is fixedly disposed on one connecting rod 141 of one side of the rear wheel bracket 14, as shown in fig. 3 and 4, in this embodiment, the extending rod 1411 is specifically connected to the connecting rod 141 located on the front side of the left side of the rear wheel bracket 14, the rear portion of the linkage rod 181 is rotatably connected to the extending rod 1411 through a rotating shaft e, the front portion of the linkage rod 181 is rotatably connected to the front wheel bracket 21 through a rotating shaft f, and the axial lines of the rotating shaft e and the rotating shaft f are parallel to each other and extend in the up-down direction. In this way, when the rear wheel bracket 14 rotates and retracts relative to the bottom bracket 11, the linkage assembly can be linked to enable the front wheel bracket 21 to slide and retract relative to the bottom bracket 11 backwards.

In addition, the frame 1 further comprises an upper bracket 16 and a lower bracket 17 for placing golf bags (not shown in the figure), the lower part of the push rod frame 13, the upper part of the support frame 12 and the upper bracket 16 are rotatably connected with each other through a rotating shaft a; the lower bracket 17 is fixedly provided at an upper portion of the front wheel bracket 21.

In this embodiment, the locking mechanism may be disposed between any of the above-mentioned components that are rotatably or slidably connected, which is not the main point of the present disclosure, and the prior art may be adopted.

The folding process of the golf cart in this embodiment is described in detail below:

referring to fig. 5 to 7, when it is desired to fold the golf cart, the locking mechanism is first unlocked so that the components can freely rotate or slide therebetween; then, the push rod frame 13 and the support frame 12 are pressed downwards, so that the support frame 12 rotates forwards around the rotating shaft c and is folded with the bottom bracket 11, the connecting frame 152 pushes the sliding piece 151 to slide forwards along the bottom bracket 11, and the driving rod 153 drives the rear wheel brackets 14 at two sides to rotate relative to the bottom bracket 11 and enables the rear wheel assembly 3 to be folded at the front side part of the bottom bracket 11; and simultaneously, 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 the 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 leads of the two sets of rear wheel shafts 32 are parallel or extend in a collinear manner, so that the frame 1 can be folded upwards in height, width and length, the folding operation is simple and convenient, the folding volume is small, and the storage and carrying are convenient.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection 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 disposed at the bottom of the frame, and a lock for locking the frame in the unfolded state The mechanism is characterized in that, in the unfolded state, the frame includes:

a bottom bracket, the bottom bracket extends in the front-rear direction, and the front wheel assembly is arranged on the front part of the bottom bracket;

a support frame, the support frame extends in the up-down direction, and the lower part of the support frame is rotatably connected to the rear part 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, the rear wheel bracket has two groups that are arranged on the left and right sides of the bottom bracket, each group of the rear wheel bracket at least includes a connecting rod with the rear wheel assembly installed at one end, and the connecting rod rotates connected to the bottom bracket;

The vehicle frame further includes a driving assembly capable of driving the rear wheel brackets on both sides to rotate and retract relative to the bottom bracket during the process of rotating and retracting the support bracket toward the bottom bracket.

2 . The golf cart according to claim 1 , wherein the rear wheel bracket comprises two connecting rods arranged in parallel with each other, and the rear wheel assembly comprises a rear wheel bracket, which is rotatable around the rear wheel axle. 3 . For the rear wheel body mounted on the rear wheel frame, 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 groups of the rear wheel assemblies are respectively close to the left and right sides of the bottom bracket. 4 . On the other hand, the axis lines of the two groups of rear wheel axles extend parallel to or collinear with each other.

4 . The golf cart according to claim 1 , wherein the driving assembly comprises a sliding member that is relatively slidable on the bottom bracket along the front-rear direction, and is rotatably connected to the sliding member and the bottom bracket. 5 . The connecting frame between the supporting frames, the driving assembly further includes a driving rod rotatably arranged between the sliding member and the rear wheel bracket.

5 . The golf cart according to claim 4 , wherein the rear wheel bracket comprises two connecting rods arranged in parallel with each other, and one end of the driving rod is rotatably connected to the sliding member. 6 . The other end of the driving rod is rotatably connected to one of the connecting rods.

6 . The golf cart according to claim 4 , wherein a set of the driving rods are arranged between the sliding member and the rear wheel brackets on each side, and the frame moves toward the During the transition of the folded state, the slider moves forward along the bottom bracket, the rear wheel brackets on both sides rotate relative to the bottom bracket, and the rear wheel assembly is folded on the front side of the bottom bracket department.

7. The golf cart of 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 can be opposed to each other along its own length direction slidably connected with the front wheel bracket.

8 . The golf cart according to claim 7 , wherein the rear wheel bracket and the front wheel bracket are provided with linkages that can be linked when the rear wheel bracket is rotated and folded relative to the bottom bracket so that all the The front wheel bracket is slid and retracted backward relative to the bottom bracket.

9 . The golf cart according to claim 8 , wherein the linkage assembly comprises a linkage rod extending in the front-rear direction, and the rear wheel bracket comprises two connecting rods arranged parallel to each other, one of which is An extension rod extending inward is fixed on one of the connecting rods in the rear wheel bracket on the side, the rear part of the linkage rod is rotatably connected to the extension rod, and the front part of the linkage rod rotates connected to the front wheel bracket.

10. The golf cart according to claim 1, wherein the frame further comprises an upper bracket and a lower bracket, and the lower part of the push rod bracket, the upper part of the support bracket and the upper bracket are mutually They are rotatably connected together; the front wheel assembly includes a front wheel bracket connected with the bottom bracket and a front wheel mounted on the front of the front wheel bracket, and the lower bracket is fixedly arranged on the front wheel bracket upper.