CN219312865U

CN219312865U - Foldable frame structure

Info

Publication number: CN219312865U
Application number: CN202320042451.6U
Authority: CN
Inventors: 陈大为
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-07-07
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses a foldable frame structure which mainly comprises a main frame and an auxiliary frame. The left main frame rod and the right main frame rod are surrounded by connecting pieces at two ends to form a closed frame structure which is used as a main frame, and the upper end of the main frame rod is inclined towards the rear of the vehicle; a closed frame structure is formed by surrounding left and right auxiliary frame rods and connecting pieces at two ends of the left and right auxiliary frame rods, and the upper ends of the left and right auxiliary frame rods incline to the front of a vehicle. The auxiliary frame and the main frame are crossed at the left side and the right side and are rotationally connected through two hinges with the same axis. The space surrounded by the auxiliary frame and the main frame forms a cabin space, and a seat arranged on the main frame is arranged in the cabin space. A roof may be mounted to the cabin. The main car driving rod and the auxiliary car frame rod can be divided into an upper section and a lower section, and the two sections can be slidably stretched and disassembled. The utility model provides a foldable frame structure, which can change the angle between a subframe and a main frame around a common shaft of a left hinge and a right hinge, thereby adjusting the height and the length of a cabin. Has the advantages of convenient getting on and off of passengers, safe and stable running, and the like.

Description

Foldable frame structure

Technical Field

The utility model relates to the technical field of frames, in particular to a foldable frame structure.

Background

Prior art frames for passenger vehicles typically employ rigid structures with a fixed height and length of the cabin. The frame with high carriage has the advantage of convenient getting on and off of passengers, but the gravity center of the vehicle is higher, and the vehicle is easy to turn over when turning, and the running is unsafe. The carriage with short height has the advantages that the gravity center of the carriage is low, the carriage is not easy to turn on one's side during turning, the driving stability is high, but the carriage has the defect that passengers get on or off the carriage inconveniently, and the carriage is especially suitable for the old.

Disclosure of Invention

Aiming at the prior art, the utility model provides a foldable frame structure, which can realize the folding of the whole frame by adjusting the angle between the main frame and the auxiliary frame, so that the height and the front-back length of the carriage space can be changed, and the foldable frame structure has the advantages of convenient getting on and off of passengers and safe and stable driving.

The technical scheme of the utility model is realized as follows:

the foldable frame structure comprises a main frame and an auxiliary frame, wherein the main frame comprises a closed frame structure formed by surrounding left and right main frame rods and connecting pieces at two ends of the left and right main frame rods, the upper end of the main frame inclines towards the rear of the vehicle, and front wheels are arranged at the front end of the main frame; the auxiliary frame comprises a closed frame structure formed by surrounding left and right auxiliary frame rods and connecting pieces at two ends of the auxiliary frame rods, the upper end of the auxiliary frame inclines to the front of a vehicle, rear wheels are arranged at the rear end of the auxiliary frame, the auxiliary frame and the main frame are crossed at the left side and the right side and are rotationally connected at the crossed position through two hinges with the same axis, a space surrounded by the auxiliary frame and the main frame is a cabin space, and a seat arranged on the main frame is arranged in the cabin space.

Further, the telescopic trolley further comprises a telescopic rod, and two ends of the telescopic rod are respectively arranged on the main trolley frame rod and the auxiliary trolley frame rod.

Further, a roof is mounted over the cabin space.

Further, the main car driving rod and the auxiliary frame rod are equally divided into an upper supporting rod and a lower supporting rod which can mutually slide, stretch and retract and detach, and a locking device is arranged between the upper supporting rod and the lower supporting rod.

Further, the seat is made of a soft material, and the seat can be deformed along with folding and stretching of the frame structure.

Further, the front end of the main frame is provided with a foot rest.

Further, a generator rocker arm is arranged on the foot rest and is in transmission connection with the generator, the generator rocker arm is stepped on to generate electricity, the generator is electrically connected with a storage battery, and the storage battery is used for storing electric energy for driving the vehicle.

The utility model has the beneficial effects that:

when the passenger approaches the front wheel and the rear wheel by adjusting the angle between the main frame and the auxiliary frame, the wheel distance between the front wheel and the rear wheel is reduced, the rear end of the main frame is lifted, the height of the seat is also improved, and the vehicle is suitable for parking and passengers getting on or off under the gesture, and is especially suitable for people with inconvenient actions, such as the old. The occupied area of the vehicle is small at the moment, and the vehicle is convenient to park. After passengers get on the vehicle, the wheel distance between the front and rear wheels can be increased by adjusting the angle between the main frame and the auxiliary frame, the height of the main frame is reduced, the upper end of the main frame is inclined backwards, and the seat is inclined backwards along with the main frame, so that the overall gravity center of the vehicle is reduced, the stability and safety of the vehicle during running are improved, and the vehicle can stably and safely run under the action of external wind power. Because the main frame rod is inclined backwards, the posture of the passenger tends to be half lying and half sitting, and the body feeling is comfortable.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings in the following description are only preferred embodiments of the present utility model and that other drawings may be derived from these drawings by a person skilled in the art without inventive faculty.

FIG. 1 is a perspective view of a foldable frame structure according to embodiment 1 of the present utility model;

FIG. 2 is a perspective view of a foldable frame structure according to embodiment 2 of the present utility model;

in the figure, a main frame rod 1, an auxiliary frame rod 2, a connecting piece 3, a hinge 4, a seat 5, a telescopic rod 6, a roof 7, an upper support rod 8, a lower support rod 9, a locking device 10, a foot rest 11, a generator rocker arm 14, a storage battery 15, a front wheel 16 and a rear wheel 17.

Detailed Description

For a better understanding of the technical content of the present utility model, specific examples are provided below and the present utility model is further described with reference to the accompanying drawings.

Example 1

Referring to fig. 1, a foldable frame structure comprises a main frame and an auxiliary frame, wherein the main frame comprises a closed frame structure formed by surrounding left and right main frame rods 1 and connecting pieces 3 at two ends of the left and right main frame rods, the upper end of the main frame is inclined towards the rear of the vehicle, and front wheels 16 are arranged at the front end of the main frame. The auxiliary frame is formed by enclosing a closed frame structure by a left auxiliary frame rod 2, a right auxiliary frame rod 2 and connecting pieces 3 at two ends of the auxiliary frame rod, and the upper end of the auxiliary frame inclines to the front of the automobile. The rear wheel 17 is mounted to the rear end of the subframe.

The main frame and the auxiliary frame are crossed at the left side and the right side and are rotationally connected by two hinges 4 with the same axle center, the space surrounded by the main frame and the auxiliary frame is a cabin space, and a seat 5 arranged on the main frame is arranged. The high attitude, the low attitude and the middle excessive attitude of the vehicle are converted by changing the angle between the main frame and the auxiliary frame. The upper end of the main frame leans to the rear of the vehicle, the auxiliary frame supports the main frame from the rear, and the main frame and the auxiliary frame form a stable supporting structure.

The telescopic rod 6 is further arranged on the frame, the telescopic rod 6 can be a worm telescopic rod or a hydraulic telescopic rod, and two ends of the telescopic rod 6 are respectively connected to the main frame rod 1 and the auxiliary frame rod 2 in a rotating mode. When the passenger changes the angle between the main frame and the auxiliary frame by adjusting the length of the telescopic rod 6, and the distance between the front wheel and the rear wheel is far, the vehicle tends to be in a low posture, the height of the cabin space is reduced, the seat 5 is inclined backwards along with the main frame, the whole gravity center of the vehicle is reduced at the moment, the stability and the safety of the vehicle during running are improved, and the vehicle can stably and safely run under the action of external wind power. Because the main frame leans backwards, the posture of the passenger tends to lie and sit half by half, and the body feeling is comfortable. In this state, the distance between the top portions of the main frame and the sub-frame is large, so that the roof 7 has a large area, and can sufficiently shield sun and rain.

When the passenger changes the angle between the main frame and the auxiliary frame by adjusting the length of the telescopic rod 6, and the distance between the front wheels and the rear wheels is close, the vehicle tends to be in a high posture, and at the moment, the main frame tends to be vertical, and the body of the passenger is pushed up through the seat 5 to be in a semi-leaning and semi-standing posture. The tops of the main frame and the auxiliary frame are close, the front and back length of the roof 7 originally on the top of the passenger is shortened, the front and back length of the roof is increased, the space above the passenger is released, and the passenger can easily stand from the posture of being close to the semi-standing position, so that the passenger can get on or off the vehicle conveniently. The vehicle is suitable for parking and passengers getting on or off in the posture, and is particularly suitable for people with inconvenient actions, such as the elderly. The occupied area of the vehicle is small at the moment, and the vehicle is convenient to park.

The occupant can also adjust the center of gravity of the vehicle to any height between the high and low attitudes so that the seat 5 provides the occupant with a comfortable position and height.

The cabin space top is equipped with roof 7, and roof 7 can be made by soft material, can fold or can draw or dismantle, and the frame is when exchanging between low gesture and high gesture, and convenient folding or rolling are relaxed, simple structure is light. The seat 5 is made of a soft material, and the seat 5 can be deformed arbitrarily with folding and telescoping of the frame structure.

Preferably, the main driving rod 1 and the auxiliary driving rod 2 can be divided into an upper supporting rod 8 and a lower supporting rod 9 which can slide, stretch and retract and disassemble each other, and a locking device 10 is arranged between the upper supporting rod 8 and the lower supporting rod 9. The locking device 10 can control the sliding expansion, disassembly or clamping locking between the upper section 8 and the lower section 9 of the auxiliary frame rod 2 of the main frame rod 1, and the locking device 10 can adopt a locking key or a locking nut, so that the lengths of the main frame rod 1 and the auxiliary frame rod 2 are adjustable, and the heights of the main frame and the auxiliary frame are variable. When the vehicle is not used, the main frame and the auxiliary frame are contracted, so that the occupied space of the whole vehicle can be further reduced, and the storage and the transportation are convenient.

The front end of the main frame is provided with a foot rest 11. The occupant can place his feet on the foot rest 11.

Example 2

Referring to fig. 2, the difference between the embodiment and the embodiment 1 is that the stand 11 is provided with a generator rocker arm 14, the generator rocker arm is in transmission connection with a generator, the occupant can tread the generator rocker arm 14 to generate electricity, and the electricity is stored in a storage battery 15 for driving the vehicle.

Preferably, the vehicle can also be designed as a four-wheel layout.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The foldable frame structure is characterized by comprising a main frame and an auxiliary frame, wherein the main frame comprises a closed frame structure formed by surrounding left and right main frame rods and connecting pieces at two ends of the left and right main frame rods, and the upper end of the main frame is inclined towards the rear of the vehicle; the auxiliary frame comprises a closed frame structure formed by surrounding left and right auxiliary frame rods and connecting pieces at two ends of the auxiliary frame rods, the upper end of the auxiliary frame inclines to the front of the automobile, the auxiliary frame and the main frame are crossed at the left side and the right side and are rotationally connected at the crossed position through two hinges with the same axle center, a space surrounded by the auxiliary frame and the main frame is a cabin space, and a seat arranged on the main frame is arranged in the cabin space.

2. The foldable frame structure of claim 1, further comprising a telescopic rod, wherein two ends of the telescopic rod are respectively mounted on the main frame rod and the auxiliary frame rod.

3. A collapsible frame structure as claimed in claim 1 wherein a roof is mounted above the cabin space.

4. The foldable frame structure according to claim 1, wherein the main frame rod and the auxiliary frame rod are divided into an upper support rod and a lower support rod which can slide, expand and retract and disassemble each other, and a locking device is arranged between the upper support rod and the lower support rod.

5. A collapsible frame structure as claimed in claim 1 wherein the seat is made of a soft material, the seat being capable of collapsing and collapsing in response to the frame structure.

6. A foldable frame structure according to claim 1, wherein the front end of the main frame is provided with a foot rest.

7. The foldable frame structure of claim 6, wherein the foot rest is provided with a generator rocker arm, the generator rocker arm is in transmission connection with a generator, the generator is connected with a storage battery by stepping on the generator rocker arm to generate electricity, and the storage battery is used for storing electric energy for driving the vehicle.