CN220410782U - Small-sized tricycle body structure - Google Patents

Abstract

The utility model discloses a small tricycle body structure, which comprises a front chassis and a rear chassis, wherein the horizontal height of the rear chassis is higher than that of the front chassis, and a torsion beam is arranged between the rear chassis and the front chassis; the front chassis top is equipped with the frame front sloping, installs simple and easy canopy on the frame front sloping, is equipped with the carriage on the back chassis, and front chassis top is equipped with the seat, the end of back chassis is equipped with first connection piece, carriage rear bottom is equipped with the second connection piece, and the coincidence portion of first connection piece and second connection piece is opened there is the pivot hole, is equipped with the bearing in the pivot hole. The three-wheeled vehicle body meets the market demand of the miniaturized tricycle, improves the strength of the whole tricycle, reduces the maintenance difficulty, and has good market prospect.

Description

Small-sized tricycle body structure

Technical Field

The utility model relates to the field of small tricycles, in particular to a small tricycles body structure.

Background

In recent years, the market sales volume of electric three-wheeled small vehicles continues to increase, various new electric three-wheeled small vehicles are favored by the market, and the electric three-wheeled small vehicles are widely used in occasions such as cargo carrying, express delivery and the like, and the market development is rapid. In the actual use process, a user runs on various severe road conditions, and the test of the structural stability of the simple shed becomes an important factor for measuring the quality of the small tricycle; secondly, the simple direct connection structure of the shed and the carriage is adopted, the existing market state is that bolts are directly fixed, and the carriage cannot be lifted backwards; the maintenance trouble of the whole vehicle power system is caused, and the requirement of quickly replacing batteries cannot be met at first; the problems become technical problems reflected by small users, and restrict the development of the low-cost and quick power-changing market of the electric small-sized tricycles.

Disclosure of Invention

In order to solve the problems in the prior art, the scheme provides a small tricycle body structure.

A small tricycle body structure comprises a front chassis and a rear chassis, wherein the rear chassis is higher than the front chassis in horizontal height, and a torsion beam is arranged between the rear chassis and the front chassis; a frame front oblique beam is arranged above the front chassis, a simple shed is arranged on the frame front oblique beam, a carriage is arranged on the rear chassis, a seat is arranged above the chassis,

the rear chassis is characterized in that a first connecting piece is arranged at the tail end of the rear chassis, a second connecting piece is arranged at the bottom of the rear of the carriage, a rotating shaft hole is formed in the superposition part of the first connecting piece and the second connecting piece, and a bearing is arranged in the rotating shaft hole.

Further, be equipped with intermediate junction spare between carriage and the simple shed, intermediate junction spare includes the connecting plate, through hinge connection between connecting plate top and the simple shed, the top at carriage front portion still is equipped with first hasp, and the connecting plate bottom is equipped with the first couple that corresponds with first hasp. .

Further, a battery bracket is arranged below the rear chassis, a bearing beam is arranged below the battery bracket, the bearing beam is L-shaped, and two ends of the bearing beam are welded with the front chassis and the rear chassis into a whole respectively;

further, the length of the carriage is equal to the sum of the lengths of the rear chassis and the torsion beam, a second lock catch is arranged on the torsion beam, and a second hook is arranged at the bottom of the front of the carriage.

Further, the carriage bottom is equipped with the bracing piece, bracing piece and carriage bottom swing joint, still be equipped with the backup pad on the back chassis, the backup pad is located the below setting of bracing piece, and one side edge of backup pad is equipped with the baffle.

Further, a space exists between the front baffle of the carriage and the seat.

The beneficial effects of this scheme are as follows:

1. the small-sized tricycle body structure is provided, the simple shed and the carriage are designed into a whole, the occupied chassis area is small, and the strength is higher.

2. The carriage structure capable of overturning backwards is designed, the carriage can be lifted backwards and opened by taking the tail end of the chassis as a rotating shaft, and space is provided for chassis maintenance.

3. The connecting piece between the simple shed and the carriage is designed into a structure which is opened and closed by the lock catch, so that the whole car strength can be ensured by bearing in daily use, and the car body structure can be opened conveniently when maintenance is needed, and the design effect of the car body structure is good.

Drawings

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

FIG. 2 is a schematic view of a portion of the intermediate connector of the present utility model;

FIG. 3 is a schematic view of the torsion beam portion of the chassis of the present utility model;

FIG. 4 is a schematic view of the support rod portion of the present utility model;

FIG. 5 is a schematic view of the chassis end configuration of the present utility model;

fig. 6 is a schematic view of a second connection structure of the present utility model.

Front chassis 1, back chassis 2, torsion beam 3, frame front oblique beam 4, simple shed 5, carriage 6, seat 7, first connecting piece 8, second connecting piece 9, pivot hole 10, intermediate connection 11, connecting plate 12, first hasp 13, first couple 14, battery bracket 15, carrier beam 16, second hasp 17, second couple 18, bracing piece 19, backup pad 20, baffle 21.

Detailed Description

Example 1

Referring to fig. 1, a small tricycle body structure comprises a front chassis 1 and a rear chassis 2, wherein the rear chassis 2 is higher than the front chassis 1 in horizontal height, and a torsion beam 3 is arranged between the rear chassis 2 and the front chassis 1; a frame front oblique beam 4 is arranged above the front chassis 1, a simple shed 5 is arranged on the frame front oblique beam 4, a carriage 6 is arranged on the rear chassis 2, a seat is arranged above the front chassis,

further, a space exists between the front baffle of the carriage 6 and the seat 7, so that interference collision is not generated when the carriage 6 is turned over.

Referring to fig. 5, a first connecting piece 8 is arranged at the end of the rear chassis 2, a second connecting piece 9 is arranged at the bottom of the rear of the carriage 6, a rotating shaft hole 10 is formed at the overlapping part of the first connecting piece 8 and the second connecting piece 9, and a bearing is arranged in the rotating shaft hole 10.

With reference to fig. 2, an intermediate connecting piece 11 is arranged between the carriage 6 and the simple shed 5, the intermediate connecting piece 11 comprises a connecting plate 12, the top end of the connecting plate 12 is connected with the simple shed 5 through a hinge, a first lock catch 13 is further arranged at the front end of the carriage 6, and a first hook 14 corresponding to the first lock catch 13 is arranged at the bottom end of the connecting plate 12.

Referring to fig. 3, a battery bracket 15 is arranged below the rear chassis 2, a bearing beam 16 is arranged below the battery bracket 15, the bearing beam 16 is L-shaped, and two ends of the bearing beam are welded with the front chassis 1 and the rear chassis 2 into a whole;

referring to fig. 1 and 3, the length of the carriage 5 is equal to the sum of the lengths of the rear chassis 2 and the torsion beam 3, the torsion beam 3 is provided with a second lock catch 17, and the bottom in front of the carriage 6 is provided with a second hook 18.

Referring to fig. 3 and 4, the bottom of the carriage 6 is provided with a supporting rod 19, the supporting rod 19 is movably connected with the bottom of the carriage 6, the rear chassis 2 is further provided with a supporting plate 20, the supporting plate 20 is disposed below the supporting rod 19, and a baffle 21 is disposed at one side edge of the supporting plate 20.

The working principle of the scheme is as follows,

under the state of traveling, carriage 6 is located on back chassis 2 horizontally, and carriage 6 front end top is located the below at simple shed 5 rear portion at this moment, stands up connecting plate 12, locks first hasp 13 on the carriage 6 top and the first couple 14 on the connecting plate again, and simple shed 5 and carriage 6 are connected into an organic whole this moment, and connecting plate 12 plays the supporting role between simple shed 5 and carriage 6. The second lock catch 17 on the torsion beam is locked with the second hook 18 at the bottom of the carriage, and the carriage and the chassis are fixed.

When the chassis needs to be maintained, the second lock catch 17 on the torsion beam is unlocked with the second hook 18 on the carriage, the first lock catch 13 is unlocked with the first hook 14, and the connecting plate 12 can be folded towards the direction of the simple shed. At this time, the carriage 6 can be lifted and opened and closed backwards around the rotating shaft hole 10 at the tail part of the chassis. At this time, the supporting rod 19 at the bottom of the carriage 6 is placed on the supporting plate 20 of the rear chassis, and the tail end of the supporting rod 19 props against the baffle 21 of the supporting plate to prevent the carriage from falling down.

Example 2

In combination with fig. 6, in order to better adapt to different car bodies and opening and closing modes, the first lock catch 13 can be arranged on the connecting plate 12 instead on the premise of keeping other technical characteristics unchanged, the connection between the first lock catch 13 and the first hook 14 is reversely arranged, the connecting plate 12 is connected with the carriage 6 through a hinge, and the first hook 14 is arranged at the bottom of the simple shed 5. So as to meet different opening and closing habits. At this time, the connecting plate 12 can be turned up or down, and the opening and closing modes are various.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. A small tricycle body structure comprises a front chassis and a rear chassis, wherein the rear chassis is higher than the front chassis in horizontal height, and a torsion beam is arranged between the rear chassis and the front chassis; the front chassis top is equipped with the frame front sloping, installs simple and easy canopy on the frame front sloping, is equipped with the carriage on the back chassis, and front chassis top is equipped with the seat, its characterized in that, the end of back chassis is equipped with first connection piece, carriage rear bottom is equipped with the second connection piece, and the coincidence portion of first connection piece and second connection piece is opened there is the pivot hole, is equipped with the bearing in the pivot hole.

2. The small tricycle body structure according to claim 1, wherein an intermediate connecting piece is arranged between the carriage and the simple shed, the intermediate connecting piece comprises a connecting plate, the top end of the connecting plate is connected with the simple shed through a hinge, a first lock catch is further arranged at the top end of the front part of the carriage, and a first hook corresponding to the first lock catch is arranged at the bottom end of the connecting plate.

3. The small tricycle body structure according to claim 1, wherein a battery bracket is arranged below the rear chassis, a bearing beam is arranged below the battery bracket, the bearing beam is L-shaped, and two ends of the bearing beam are welded with the front chassis and the rear chassis into a whole.

4. The small tricycle body structure according to claim 1, wherein the length of the compartment is equal to the sum of the lengths of the rear chassis and the torsion beam, the torsion beam is provided with a second lock catch, and the front bottom of the compartment is provided with a second hook.

5. The small tricycle body structure according to claim 1, wherein the bottom of the carriage is provided with a supporting rod, the supporting rod is movably connected with the bottom of the carriage, the rear chassis is further provided with a supporting plate, the supporting plate is arranged below the supporting rod, and a baffle is arranged at one side edge of the supporting plate.

6. A scooter body structure as claimed in claim 1, wherein there is a space between the front fender of the compartment and the seat.