CN219237172U - Electric four-wheel beach vehicle with rotary connection structure - Google Patents

Abstract

The utility model discloses an electric four-wheel beach vehicle with a rotary connecting structure, wherein a set of rotary connecting structures for rotationally connecting a front wheel with the vehicle frame are respectively arranged on the left side and the right side of the vehicle frame, the rotary connecting structures comprise a connecting frame with a hinge hole, an upper hinge frame and a lower hinge frame, the connecting frame is fixed by welding on the vehicle frame and penetrating through an upper bracket rod and a lower bracket rod of the connecting frame, one ends of the upper hinge frame and the lower hinge frame are hinged on the front wheel mounting frame, and the other ends of the upper hinge frame and the lower hinge frame are respectively hinged on the connecting frames on the upper side and the lower side. According to the utility model, the connecting frame is sleeved on the upper bracket rod and the lower bracket rod, and then the upper bracket rod and the lower bracket rod are welded on the frame, so that the up-down adjusting and buffering capacity of the front wheel is ensured, and meanwhile, the strength of the penetrating type connecting structure between the upper bracket rod and the lower bracket rod and the connecting frame is higher, so that the risk of fracture of the rotating connecting structure can be greatly reduced.

Description

Electric four-wheel beach vehicle with rotary connection structure

Technical Field

The utility model relates to a beach vehicle, in particular to an electric four-wheel beach vehicle with a rotary connection structure.

Background

The beach vehicle is a vehicle which can run on any terrain, can freely run on the terrain which is difficult to maneuver by common vehicles, and is generally used as a recreational and recreational traffic tool at present for tourist attractions, seashore, beach and other places.

Because its service environment is not the level road surface, therefore its buffer structure's buffering effect and buffer structure's structural strength are particularly important, the patent of application number CN202010903117.6 discloses an all-terrain vehicle, the front end portion of frame is provided with multilayer structure, the top and the bottom of front wheel stand are provided with first installing port and second installing port respectively, the side is provided with the third installing port, all be provided with a club on first installing port, second installing port and the third installing port, the rod end and the corresponding installing port fixed connection of club, the ball end respectively with preceding upper suspension, preceding lower suspension and turn to the outside swing joint of driving medium, the inboard of preceding upper suspension and preceding lower suspension is articulated with the frame front end portion of upper strata and bottom respectively, still be provided with a bumper shock absorber on the preceding lower suspension, its one end is articulated with preceding lower suspension, the other end is articulated with the frame front end portion of upper strata. The utility model further improves the buffer effect at the front wheel, so that the energy absorption effect of the all-terrain vehicle is better when the vehicle runs under severe road conditions, the hard stress is obviously relieved, and the passing performance is improved.

The connecting piece with the structure has lower strength with the welding part of the frame, and is easy to break in the use process.

Disclosure of Invention

Based on the defect of low strength of the welding structure of the front wheel rotary connection structure and the frame of the beach vehicle in the prior art, the utility model provides an electric four-wheel beach vehicle with the rotary connection structure.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides an electronic four-wheel beach car with swivelling joint structure, includes the beach car body, the beach car body includes the frame, set up actuating mechanism on the frame, set up on the frame and with actuating mechanism transmission connection's rear wheel, front wheel and the steering system who is used for front wheel steering with frame connection, front wheel passes through swivelling joint structure and frame swivelling joint, frame left and right sides respectively is equipped with one set of swivelling joint structure, swivelling joint structure includes:

the front rocker arm fixing bracket comprises two upper bracket rods, two lower bracket rods and four connecting frames, wherein the upper bracket rods are symmetrically arranged left and right, the lower bracket rods are symmetrically arranged left and right, the upper bracket rods and the lower bracket rods are welded on a frame, two connecting frames are arranged on the upper bracket rods in a spacing sleeve manner and are in interference fit with the upper bracket rods, the other two connecting frames are arranged on the lower bracket rods in a sleeved manner and are in interference fit with the lower bracket rods, left and right groups of opposite hinge holes are formed in the upper and lower connecting frames of the upper connecting frames, the upper bracket rods and the lower bracket rods are arranged in parallel, and the distance between the two upper bracket rods is identical with that between the two lower bracket rods;

two wheel mounts; the two front wheels are respectively connected with the two wheel mounting frames in a rotating way, an upper hinge frame and a lower hinge frame are arranged between the wheel mounting frames and the connecting frames, a tubular body is arranged at the upper ends of the upper hinge frame and the lower hinge frame, the two tubular bodies are respectively arranged between the upper group of connecting frames and the lower group of connecting frames with the same height, the pipe orifice of the tubular body is opposite to the two hinge holes which are opposite to each other in front-back direction, and the pipe orifice and the hinge holes are internally penetrated by hinge shafts;

the frame buffer cross beam is welded on the frame and arranged left and right, and a front shock absorber is hinged between two sides of the frame buffer cross beam and two wheel mounting frames. The connecting frame is sleeved on the upper bracket rod and the lower bracket rod, the upper bracket rod and the lower bracket rod are welded on the frame, and compared with the prior structure which directly welds the connecting frame on the frame, the connecting frame is higher in structural strength of the upper bracket rod and the lower bracket rod penetrating through the connecting frame, and the risk of fracture does not exist in the using process.

Specifically, the frame buffer cross beam is a groove-shaped steel frame with a downward opening, a group of front and rear opposite hinge holes are respectively arranged on the left side and the right side of the groove-shaped steel frame, and the top end of the front shock absorber extends into the opening of the groove-shaped steel frame and is hinged with the groove-shaped steel frame through a hinge shaft matched with the hinge holes of the groove-shaped steel frame. The top surface of the groove-shaped steel frame is an inclined surface, and the inclined angle of the groove-shaped steel frame is the same as that of a frame at a welding position of the groove-shaped steel frame. And the inclined surface is abutted against the frame for welding during welding.

The steering system comprises a steering shaft rotationally connected with the frame, a steering faucet arranged at the top of the steering shaft and a mounting plate arranged at the lower side of the steering shaft, wherein a steering pull rod is arranged between the mounting plate and the wheel mounting frame, and the two ends of the steering pull rod are provided with bullnose bearing assemblies and are rotationally connected with the mounting plate and the wheel mounting frame through the bullnose bearing assemblies. The bullseye bearing assembly comprises a bearing seat and a bearing sleeve arranged on the bearing seat, a spherical rolling body is arranged on the bearing seat, the bearing sleeve is sleeved outside the spherical rolling body, the two bearing seats are respectively fixedly connected with the mounting plate and the wheel mounting frame, and two ends of the steering pull rod are fixed on the bearing sleeves of the two bullseye bearing assemblies. When steering, the steering faucet is rotated, and drives the steering shaft to drive the mounting plate to rotate, and simultaneously, the wheel mounting frame and the front wheels on the wheel mounting frame are pulled to steer through the two steering pull rods on the two sides.

Specifically, the driving mechanism is a stepless speed change engine, the stepless speed change engine is provided with a plurality of gear switching keys and an accelerator control knob, the gear switching keys and the accelerator control knob are integrated on a handle on the right side of the steering faucet, the output end of the engine and a rear wheel shaft are both provided with chain wheels, and the two chain wheels are connected through chain transmission. After the engine is started, the power is supplied to the beach vehicle through the transmission between the chain and the chain wheel and the rear wheel axle.

Specifically, the frame is also provided with a shell, and the shell wraps the frame and the top of the engine. The shell protects the frame and the internal driving mechanism.

Specifically, pedal frames extending outwards are arranged on the left side and the right side of the frame, the pedal frames are located between the front wheel and the rear wheel, and the shell extends to the pedal frames and abuts against the pedal frames to form pedal plates. Wherein the foot pedal and the shell can be arranged into a split structure and are connected through screws.

Specifically, the front end of the shell is connected with the front end of the frame through bolts, and a cushion is arranged on the top surface of the middle part of the frame.

Specifically, the rear side of the shell is movably connected with the frame, so that the rear side of the shell can move up and down relative to the frame, and a rear shock absorber is hinged between the bottom of the rear side of the shell and the frame. The movable connecting structure comprises a movable rod arranged at the rear side of the shell and a movable hole arranged on the frame, wherein the movable rod stretches into the movable hole and is provided with a limit rod with the length larger than that of the movable hole at the end part of the movable rod to limit the movable stroke of the movable rod, and the movable rod is sleeved with a buffer spring when in specific implementation, so that two ends of the buffer spring respectively lean against the frame and the limit rod, and the shell is effectively prevented from hard collision with the frame when the shell has buffering capacity.

Specifically, the front wheel and the rear wheel are provided with brakes, and a brake cable extends to a steering faucet and is provided with a brake handle at the steering faucet. The brake is integrated at the steering faucet, so that the brake of the vehicle can be controlled by two hands.

Compared with the prior art, the utility model has the advantages that: according to the front wheel, the connecting frame is sleeved on the upper bracket rod and the lower bracket rod, and then the upper bracket rod and the lower bracket rod are welded on the frame, so that the up-down adjusting and buffering capacity of the front wheel is guaranteed, and meanwhile, the strength of a penetrating type connecting structure between the upper bracket rod and the lower bracket rod and the connecting frame is higher, so that the risk of fracture of the rotating connecting structure can be greatly reduced; in addition, this application provides vertical degree of freedom for the front wheel through two sets of articulated frame to carry out spacingly to the buffering stroke when providing the buffering through preceding bumper shock absorber, increased the trafficability characteristic of sandy beach car by a wide margin, avoided the anterior buffering of sandy beach car to excessively appear the condition of nodding simultaneously.

Drawings

The utility model will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the utility model. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

FIG. 1 is a perspective view of the present application;

FIG. 2 is a perspective view of the present application (with the housing removed);

FIG. 3 is a perspective view (bottom) of the present application;

FIG. 4 is a partial schematic view of the front portion of the present application;

FIG. 5 is an enlarged view at B in FIG. 3;

FIG. 6 is an enlarged view of FIG. 4 at A;

in the figure: 101. a frame; 1011. pedal frame; 102. a housing; 1021. a foot pedal; 103. a steering system; 1031. a steering tap; 1032. a steering shaft; 1033. a mounting plate; 1034. a bullseye bearing assembly; 1035. a steering tie rod; 104. a rear wheel; 105. a front wheel; 106. an engine; 107. a frame buffer cross beam; 108. a front shock absorber; 109. a wheel mounting rack; 001. a connecting frame; 002. an upper bracket rod; 003. a lower bracket rod; 004. a lower hinge bracket; 005. an upper hinge bracket; 110. and (3) a chain.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the drawings, and those skilled in the art will appreciate that the descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the present utility model.

The title of the electric four-wheel beach vehicle with the rotary connection structure is mainly described in this embodiment, and is specifically as follows:

the utility model provides an electronic four-wheel beach car with swivelling joint structure, includes the beach car body, and the beach car body includes frame 101, sets up actuating mechanism on frame 101, sets up in frame 101 rear side and the rear wheel 104 of being connected with actuating mechanism transmission, with frame 101 swivelling joint's front wheel 105 and steering system 103, front wheel 105 passes through swivelling joint structure and frame 101 swivelling joint, and frame 101 left and right sides respectively is equipped with one set of swivelling joint structure, and swivelling joint structure includes:

the front rocker arm fixing bracket comprises two left and right symmetrically arranged upper bracket rods 002, two left and right symmetrically arranged lower bracket rods 003 and four connecting frames 001, wherein the upper bracket rods 002 and the lower bracket rods 003 are welded on a frame 101, the two connecting frames 001 are sleeved on the upper bracket rods 002 at intervals and in interference fit with the upper bracket rods 002, the other two connecting frames 001 are sleeved on the lower bracket rods 003 and in interference fit with the lower bracket rods 003, left and right groups of opposite hinge holes are formed in the upper and lower two connecting frames 001 of the upper side, the upper bracket rods 002 and the lower bracket rods 003 are arranged in parallel, and the distance between the two upper bracket rods 002 is identical with that between the two lower bracket rods 003;

two wheel mounts 109; the two front wheels 105 are respectively connected with the two wheel mounting frames 109 in a rotating way, an upper hinging frame 005 and a lower hinging frame 004 are arranged between the wheel mounting frames 109 and the connecting frames 001, tubular bodies are respectively arranged at the upper ends of the upper hinging frame 005 and the lower hinging frame 004, the two tubular bodies are respectively arranged between the upper and lower groups of connecting frames 001, the pipe orifices of the tubular bodies are opposite to the front and rear opposite hinging holes, hinging shafts are penetrated in the pipe orifices and the hinging holes, one side of the tubular body of the upper hinging frame 005 is a U-shaped pipe, the tubular body and the U-shaped pipe form an annular structure, the front shock absorber 108 penetrates through a through hole in the middle part of the annular structure, and the end part of the U-shaped pipe is welded on a hinging shaft arranged on the wheel mounting frames 109 to realize hinging with the wheel mounting frames 109;

the frame buffer cross member 107 is welded to the frame 101 and disposed in a left-right direction, and a front shock absorber 108 is hinged between both sides of the frame buffer cross member 107 and two wheel mounting frames 109. This scheme establishes link 001 on upper and lower cradling piece 002, 003 cover, welds upper and lower cradling piece 002, 003 in frame 101 again, compares with the direct welding link 001 on frame 101 of current structure, and upper and lower cradling piece 002, 003 run through link 001's structural strength is bigger, does not have cracked risk in the use.

Specifically, the frame buffer cross beam 107 is a channel steel frame with a downward opening, a group of front and rear opposite hinge holes are respectively arranged on the left side and the right side of the channel steel frame, and the top end of the front shock absorber 108 extends into the opening of the channel steel frame and is hinged with the channel steel frame through a hinge shaft matched with the hinge holes of the channel steel frame. The top surface of the groove-shaped steel frame is an inclined surface, and the inclined angle of the groove-shaped steel frame is the same as that of the frame 101 at the welding position of the groove-shaped steel frame. The inclined surface is abutted against the frame 101 and welded at the time of welding.

The steering system 103 comprises a steering shaft 1032 rotatably connected with the frame 101, a steering tap 1031 arranged at the top of the steering shaft 1032, and a mounting plate 1033 arranged at the lower side of the steering shaft 1032, wherein a steering pull rod 1035 is arranged between the mounting plate 1033 and the wheel mounting frame 109, two ends of the steering pull rod 1035 are provided with bullnose bearing assemblies 1034, and the steering pull rod 1035 is rotatably connected with the mounting plate 1033 and the wheel mounting frame 109 through the bullnose bearing assemblies 1034. The bullseye bearing assembly 1034 comprises bearing seats and bearing sleeves arranged on the bearing seats, spherical rolling bodies are arranged on the bearing seats, the bearing sleeves are sleeved outside the spherical rolling bodies, the two bearing seats are fixedly connected with the mounting plate 1033 and the wheel mounting frame 109 respectively, and two ends of the steering pull rod 1035 are fixed on the bearing sleeves of the two bullseye bearing assemblies 1034. During steering, the steering faucet 1031 is turned, the steering faucet 1031 drives the steering shaft 1032 to drive the mounting plate 1033 to rotate, and simultaneously, the wheel mounting frame 109 and the front wheels 105 on the wheel mounting frame 109 are pulled to steer through the two steering tie rods 1035 on two sides.

Specifically, the driving mechanism is a continuously variable engine 106, the continuously variable engine 106 is provided with a plurality of gear shifting keys and an accelerator control knob, the gear shifting keys and the accelerator control knob are integrated on a handle on the right side of a steering tap 1031, the output end of the engine 106 and the wheel shaft of a rear wheel 104 are respectively provided with a chain wheel, and the two chain wheels are in transmission connection through a chain 110. The engine 106 is started and then drives the beach vehicle through the chain 110 and the transmission between the sprocket and the axle of the rear wheel 104.

Specifically, the frame 101 is further provided with a housing 102, and the housing 102 encloses the frame 101 and the top of the engine 106. The housing 102 protects the frame 101 and the internal driving mechanism.

Specifically, pedal frames 1011 extending outward are provided on the left and right sides of frame 101, pedal frames 1011 are located between front and rear wheels 104, and case 102 extends to pedal frames 1011 and abuts against pedal frames 1011 to form pedal 1021. Wherein the pedal 1021 and the shell 102 can be provided as a split structure and connected by screws.

Specifically, the front end of the shell 102 is connected with the front end of the frame 101 through bolts, and a cushion is arranged on the top surface of the middle part of the frame 101.

Specifically, the rear side of the housing 102 is movably connected with the frame 101, so that the rear side of the housing 102 can move up and down relative to the frame 101, and a rear shock absorber 108 is hinged between the bottom of the rear side of the housing 102 and the frame 101. The movable connecting structure comprises a movable rod arranged at the rear side of the shell 102 and a movable hole arranged on the frame 101, wherein the movable rod stretches into the movable hole and is provided with a limit rod with the length larger than that of the movable hole at the end part of the movable rod to limit the movable stroke of the movable rod, and the movable rod can be sleeved with a buffer spring to enable two ends of the buffer spring to respectively lean against the frame 101 and the limit rod, so that the shell 102 has buffering capacity and simultaneously hard collision between the shell 102 and the frame 101 is effectively avoided.

Specifically, brakes are provided at the front wheels 105 and the rear wheels 104, and brake cables extend to the steering tap 1031 and brake handles are provided at the steering tap 1031. Integrating the brakes at the steering tap 1031 allows the vehicle to be braked by both hands.

It should be noted that: like reference numerals denote like items in the following figures, and thus once an item is defined in one figure, it may not be further defined and explained in the following figures.

While the foregoing has been provided to illustrate the principles and embodiments of the present utility model, and while specific embodiments have been described herein, it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the principles and embodiments of the utility model, the utility model is defined in the appended claims.

Claims (10)

1. The utility model provides an electronic four-wheel beach car with swivelling joint structure, includes the beach car body, and the beach car body includes the frame, sets up actuating mechanism on the frame, sets up in the frame rear side and with actuating mechanism transmission connection's rear wheel, with frame swivelling joint's front wheel and be used for the steering system of front wheel steering, front wheel pass through swivelling joint structure and frame swivelling joint, its characterized in that, frame left and right sides all is equipped with swivelling joint structure, and swivelling joint structure includes:

the front rocker arm fixing bracket comprises two upper bracket rods, two lower bracket rods and four connecting frames, wherein the upper bracket rods are symmetrically arranged left and right, the lower bracket rods are symmetrically arranged left and right, the upper bracket rods and the lower bracket rods are welded on the frame, the two connecting frames are sleeved on the upper bracket rods at intervals and are in interference fit with the upper bracket rods, the other two connecting frames are sleeved on the lower bracket rods and are in interference fit with the lower bracket rods, and the upper and lower connecting frames of the two connecting frames at the upper side are respectively provided with two groups of opposite hinge holes;

two wheel mounts; the two front wheels are respectively connected with the two wheel mounting frames in a rotating way, an upper hinge frame and a lower hinge frame are arranged between the wheel mounting frames and the connecting frames, a tubular body is arranged at the upper ends of the upper hinge frame and the lower hinge frame, the two tubular bodies are respectively arranged between the upper group of connecting frames and the lower group of connecting frames with the same height, the pipe orifice of the tubular body is opposite to the two hinge holes which are opposite to each other in front-back direction, and the pipe orifice and the hinge holes are internally penetrated by hinge shafts;

the frame buffer cross beam is welded on the frame and arranged left and right, and a front shock absorber is hinged between two sides of the frame buffer cross beam and two wheel mounting frames.

2. The electric four-wheeled beach vehicle with rotary connection structure according to claim 1, characterized in that the frame buffer cross beam is a groove-shaped steel frame with a downward opening, the left and right sides of the groove-shaped steel frame are respectively provided with a group of front and back opposite hinge holes, the top end of the front shock absorber stretches into the opening of the groove-shaped steel frame and is hinged with the groove-shaped steel frame through the hinge shaft matching with the hinge holes of the groove-shaped steel frame.

3. The electric four-wheeled beach vehicle with rotary connection structure of claim 2, wherein the top surface of the channel steel frame is an inclined surface, the inclined angle of which is the same as the inclined angle of the frame at the welded place.

4. The electric four-wheeled beach vehicle with a rotary connection structure according to claim 1, in which the steering system comprises a steering shaft rotatably connected with the frame, a steering tap provided at the top of the steering shaft, and a mounting plate provided at the lower side of the steering shaft, a steering tie rod is provided between the mounting plate and the wheel mounting frame, both ends of the steering tie rod are provided with bullseye bearing assemblies, and the steering tie rod is rotatably connected with the mounting plate and the wheel mounting frame through the bullseye bearing assemblies.

5. The electric four-wheeled beach vehicle with rotary connection structure of claim 4, in which the driving mechanism is a continuously variable engine having a plurality of gear shift keys and a throttle control knob integrated on the handle on the right side of the steering head.

6. The electric four-wheeled beach vehicle with swivel connection according to claim 1, wherein a housing is further provided on the frame, the housing wrapping the frame and the top of the engine inside.

7. The electric four-wheeled beach vehicle with swivel connection according to claim 6, wherein the left and right sides of the frame are provided with pedal frames extending outward, the pedal frames being located between the front and rear wheels, the housing extending to the pedal frames and forming the pedal plates against the pedal frames.

8. The electric four-wheel beach vehicle with rotary connection structure according to claim 6, wherein the front end of the shell is connected with the front end of the frame by bolts, and the cushion is arranged on the top surface of the middle part of the frame.

9. The electric four-wheeled beach vehicle with rotary connection structure of claim 8, in which the housing rear side is movably connected with the frame so that the housing rear side can move up and down relative to the frame, and a rear shock absorber is hinged between the bottom of the housing rear side and the frame.

10. The electric four-wheeled beach vehicle with rotational connection structure of claim 1, wherein brakes are provided at front and rear wheels, and brake wires of the brakes extend to a steering tap and are connected to a brake handle provided at the steering tap.

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