Electric vehicle with telescopic backrest

Abstract

The utility model discloses an electric vehicle with a telescopic backrest, which belongs to the technical field of electric vehicles and comprises an electric vehicle main body, a first cushion chair and a second cushion chair, a fixed base is fixedly mounted on the electric vehicle main body, the first cushion chair is fixedly mounted at the top end of the fixed base, and two second inserting plates are fixedly mounted on one side of the first cushion chair. A first inserting plate is fixedly installed on one side of the second cushion chair, a large inserting rod is fixedly installed on the first inserting plate and slidably installed in the two second inserting plates, a motor is fixedly installed on one second inserting plate, a limiting rotating rod is fixedly installed at the output end of the motor, and a large inserting plate groove matched with the large inserting rod is formed in the limiting rotating rod. According to the utility model, the adjustability of the backrest is realized through the matching of a plurality of structures, the comfort and the flexibility of long-time riding are improved by the adjustable backrest, the travel requirements under different conditions can be met, two persons can ride together when the backrest is flatly placed, the operation is easy and convenient, and no extra tool is needed.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicles, in particular to an electric vehicle with a telescopic backrest. Background Art

[0002] The background art of an electric vehicle with a telescopic backrest mainly involves improving riding comfort and safety. In daily use, conventional electric vehicles rarely come with backrests, which brings inconvenience and potential safety risks to specific user groups such as the elderly or children. Traditional electric vehicles often do not have backrests, which means that when carrying the elderly or children, they have no support point in the vehicle and are prone to fatigue or even discomfort after a long ride. In the case of emergency braking, a firm backrest may cause greater harm to passengers.

[0003] Electric vehicles are an important means of daily travel for people; however, most existing electric vehicles usually only have a simple seat, lacking effective back support, which makes users prone to fatigue during long rides, with poor comfort, and the fixed seat cannot meet the needs in different situations; therefore, we propose an electric vehicle with a telescopic backrest to solve this problem. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an electric vehicle with a telescopic backrest to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] An electric vehicle with a telescopic backrest, comprising: an electric vehicle main body, a first seat cushion and a second seat cushion. A fixed base is fixedly installed on the electric vehicle main body. The first seat cushion is fixedly installed at the top of the fixed base. Two second plug boards are fixedly installed on one side of the first seat cushion. A first plug board is fixedly installed on one side of the second seat cushion. A large plug rod is fixedly installed on the first plug board. The large plug rod is slidably installed in the two second plug boards. A motor is fixedly installed on one of the second plug boards. A limiting rotating rod is fixedly installed at the output end of the motor. A large plug board groove matching the large plug rod is opened on the limiting rotating rod. A small plug rod is fixedly installed in the large plug board groove. A small plug board groove matching the small plug rod is opened on the large plug rod. A moving concave hole matching the limiting rotating rod is opened on the first plug board.

[0007] Preferably, a telescopic slider is slidably installed inside the second seat cushion chair. Two square buckles are slidably installed inside the telescopic slider. A limiting square groove matching the square buckles is formed on the second seat cushion chair. A second spring is fixedly installed on one side of the square buckle. The second spring is fixedly installed inside the telescopic slider. A sliding square plate is slidably installed on the telescopic slider. A telescopic backrest is fixedly installed at the top end of the sliding square plate. A plurality of third springs are fixedly installed at the bottom end of the sliding square plate. All the plurality of third springs are fixedly installed inside the telescopic slider.

[0008] Preferably, a T-shaped slider is fixedly installed at the bottom end of the second seat cushion chair. A T-shaped sliding groove matching the T-shaped slider is formed on the fixed base. A large groove is formed on one side of the T-shaped sliding groove. Both sides of the T-shaped slider are movably abutted against both sides of the inner wall of the large groove. A round buckle is slidably installed at the bottom end of the T-shaped sliding groove. A first spring is fixedly installed at the bottom end of the round buckle. The first spring is fixedly installed inside the fixed base. A limiting round groove matching the round buckle is formed at the bottom end of the T-shaped slider.

[0009] Preferably, a connecting rod is fixedly installed on one side of the square buckle. A sliding square groove matching the connecting rod and the square buckle is formed on the telescopic slider. The square buckle is slidably installed inside the sliding square groove. The second spring is fixedly installed inside the sliding square groove.

[0010] Preferably, a sliding round groove matching the round buckle is formed on the fixed base. The round buckle is slidably installed inside the sliding round groove. The first spring is fixedly installed inside the sliding round groove. A moving groove matching the sliding square plate is formed on the telescopic slider.

[0011] Preferably, a limiting groove matching the two second plug plates is formed on the second seat cushion chair. Sliding strip grooves matching the large plug rods are formed on both the first seat cushion chair and the two second seat cushion chairs. A limiting groove matching the first plug plate is formed on the first seat cushion chair.

[0012] Preferably, rotating grooves matching the limiting rotating rod are formed on both of the two second plug plates. A fixed round groove matching the motor is formed on one of the second plug plates.

[0013] In the present utility model, for the electric vehicle with a telescopic backrest, by pulling the fixed connecting rod, the fixed connecting rod drives the second seat to move. During the movement of the second seat, the T-shaped slider fixedly installed at its bottom moves together. While the T-shaped slider is moving, it squeezes the round snap fastener slidably installed in the fixed base, and the round snap fastener is retracted into the fixed base along with the spring I. After the round snap fastener is separated from the T-shaped slider, continue to pull the fixed connecting rod, so that the second seat drives the first plug board fixedly installed on one side of it to move, and the large plug rod fixedly installed on the main body of the electric vehicle is inserted into the limiting rotating rod rotatably installed between the two second plug boards. At the same time, the small plug rod fixedly installed in the limiting rotating rod is inserted into the large plug rod. Subsequently, by starting the motor fixedly installed on one of the second plug boards, the motor drives the limiting rotating rod fixedly installed on its output end to rotate, thereby driving the large plug rod to move by the limiting rotating rod, and driving the second seat to rotate by the first plug board, so as to better adjust the angle of the backrest;

[0014] In the present utility model, for the electric vehicle with a telescopic backrest, after adjusting it to a suitable angle, pull the telescopic slider slidably installed in the second seat, so that the telescopic slider drives the two square snap fasteners slidably installed on it to move, and the square snap fasteners are snapped into the limiting square grooves opened on the second seat for limitation. At the same time, the sliding square plate and the telescopic cushion slidably installed in the telescopic slider are also ejected by multiple spring IIIs to adapt to different situations. When not needed, by pressing the two connecting rods, the connecting rods drive the square snap fasteners to be retracted into the telescopic slider, press the telescopic cushion back into the telescopic slider to push the telescopic slider back into the second seat, and then let the motor flatten the second seat and the first plug board, so that the T-shaped slider fixedly installed at the bottom of the second seat enters the large groove opened on the fixed base, push the second seat, so that the second seat drives the T-shaped slider to slide in the T-shaped chute, and then the spring I and the round snap fastener cooperate for limitation to complete the recycling;

[0015] The structure of the present utility model is reasonably designed. Through the cooperation of multiple structures, the adjustability of the backrest is realized. The adjustable backrest improves the comfort and flexibility during long-term riding, can meet the travel needs in different situations, and the backrest can be flattened to allow two people to ride together, and the operation is easy and convenient without additional tools. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structure schematic diagram of an electric vehicle with a telescopic backrest proposed by the present utility model;

[0017] Figure 2 is a structural split schematic diagram of an electric vehicle with a telescopic backrest proposed by the present utility model;

[0018] Figure 3Partial structural sectional view of an electric vehicle with a telescopic backrest proposed by the present utility model;

[0019] Figure 4 Partial structural sectional view of an electric vehicle with a telescopic backrest proposed by the present utility model;

[0020] Figure 5 is Figure 3 Partial enlarged view of part A in

[0021] In the figure: 1, electric vehicle main body; 2, fixed base; 3, first seat cushion; 4, second seat cushion; 5, telescopic backrest; 6, telescopic slider; 7, fixed connecting rod; 8, T-shaped slider; 9, first spring; 10, round snap; 11, first plug board; 12, second plug board; 13, sliding square plate; 14, square snap; 15, connecting rod; 16, second spring; 17, third spring; 18, motor; 19, limiting rotating rod; 20, large plug rod; 21, small plug rod. Specific implementation mode

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0023] Referring to Figures 1-5 , an electric vehicle with a telescopic backrest includes: an electric vehicle main body 1, a first seat cushion 3 and a second seat cushion 4. A fixed base 2 is fixedly installed on the electric vehicle main body 1. The first seat cushion 3 is fixedly installed at the top of the fixed base 2. Two second plug boards 12 are fixedly installed on one side of the first seat cushion 3. A first plug board 11 is fixedly installed on one side of the second seat cushion 4. A large plug rod 20 is fixedly installed on the first plug board 11. The large plug rod 20 is slidably installed in the two second plug boards 12. A motor 18 is fixedly installed on one of the second plug boards 12. A limiting rotating rod 19 is fixedly installed at the output end of the motor 18. A large plug board groove matching the large plug rod 20 is opened on the limiting rotating rod 19. A small plug rod 21 is fixedly installed in the large plug board groove. A small plug board groove matching the small plug rod 21 is opened on the large plug rod 20. A moving concave hole matching the limiting rotating rod 19 is opened on the first plug board 11.

[0024] In this embodiment, a telescopic slider 6 is slidably installed inside the second seat cushion chair 4. Two square buckles 14 are slidably installed inside the telescopic slider 6. A limiting square groove matching the square buckle 14 is formed on the second seat cushion chair 4. A second spring 16 is fixedly installed on one side of the square buckle 14, and the second spring 16 is fixedly installed inside the telescopic slider 6. A sliding square plate 13 is slidably installed on the telescopic slider 6. A telescopic backrest 5 is fixedly installed at the top of the sliding square plate 13. A plurality of third springs 17 are fixedly installed at the bottom of the sliding square plate 13, and all the plurality of third springs 17 are fixedly installed inside the telescopic slider 6, which are used to support and adjust the telescopic backrest 5 and fix the position for better adjustment.

[0025] In this embodiment, a T-shaped slider 8 is fixedly installed at the bottom of the second seat cushion chair 4. A T-shaped sliding groove matching the T-shaped slider 8 is formed on the fixed base 2. A large groove is formed on one side of the T-shaped sliding groove. Both sides of the T-shaped slider 8 are movably abutted against both sides of the inner wall of the large groove. A round buckle 10 is slidably installed at the bottom of the T-shaped sliding groove. A first spring 9 is fixedly installed at the bottom of the round buckle 10, and the first spring 9 is fixedly installed inside the fixed base 2. A limiting round groove matching the round buckle 10 is formed at the bottom of the T-shaped slider 8, and the structure is locked by automatic reset through the spring force.

[0026] In this embodiment, a connecting rod 15 is fixedly installed on one side of the square buckle 14. A sliding square groove matching the connecting rod 15 and the square buckle 14 is formed on the telescopic slider 6. The square buckle 14 is slidably installed inside the sliding square groove, and the second spring 16 is fixedly installed inside the sliding square groove, enabling smooth sliding. A sliding round groove matching the round buckle 10 is formed on the fixed base 2. The round buckle 10 is slidably installed inside the sliding round groove, and the first spring 9 is fixedly installed inside the sliding round groove. A moving groove matching the sliding square plate 13 is formed on the telescopic slider 6 for better sliding.

[0027] In this embodiment, a limiting groove matching the two second insertion plates 12 is formed on the second seat cushion chair 4. Sliding strip grooves matching the large insertion rod 20 are formed on both the first seat cushion chair 3 and the two [objects not clearly defined]. A limiting groove matching the first insertion plate 11 is formed on the first seat cushion chair 3. Rotating grooves matching the limiting rotating rod 19 are formed on both the two second insertion plates 12. A fixed round groove matching the motor 18 is formed on one of the second insertion plates 12 to ensure that all components are aligned and slide in the correct positions.

[0028] In this embodiment, when in use, by pulling the fixed connecting rod 7, the fixed connecting rod 7 drives the second seat chair 4 to move. During the movement of the second seat chair 4, the T-shaped slider 8 fixedly installed at its bottom moves together. While the T-shaped slider 8 is moving, it squeezes the round snap 10 slidably installed in the fixed base 2, and the round snap 10 is retracted into the fixed base 2 along with the first spring 9. After the round snap 10 is separated from the T-shaped slider 8, continue to pull the fixed connecting rod 7, so that the second seat chair 4 drives the first plug board 11 fixedly installed on one side thereof to move together, and the large plug rod 20 fixedly installed on the electric vehicle main body 1 is inserted into the limiting rotating rod 19 rotatably installed between the two second plug boards 12. At the same time, the small plug rod 21 fixedly installed in the limiting rotating rod 19 is inserted into the large plug rod 20. Subsequently, by starting the motor 18 fixedly installed on one of the second plug boards 12, the motor 18 drives the limiting rotating rod 19 fixedly installed on its output end to rotate, so that the limiting rotating rod 19 drives the large plug rod 20 to move, and the first plug board 11 drives the second seat chair 4 to rotate, so as to better adjust the angle of the backrest. After adjusting it to an appropriate angle, pull the telescopic slider 6 slidably installed in the second seat chair 4, so that the telescopic slider 6 drives the two square snaps 14 slidably installed thereon to move, and the square snaps 14 are snapped into the limiting square grooves opened on the second seat chair 4 for limitation. At the same time, the sliding square plate 13 and the telescopic backrest 5 slidably installed in the telescopic slider 6 are also ejected by the cooperation of multiple third springs 17 to adapt to different situations. When not needed, by pressing the two connecting rods 15, the connecting rods 15 drive the square snaps 14 to be retracted into the telescopic slider 6, press the telescopic backrest 5 back into the telescopic slider 6 to push the telescopic slider 6 back into the second seat chair 4, and then let the motor 18 flatten the second seat chair 4 and the first plug board 11, so that the T-shaped slider 8 fixedly installed at the bottom of the second seat chair 4 enters the large groove opened on the fixed base 2. Push the second seat chair 4, so that the second seat chair 4 drives the T-shaped slider 8 to slide in the T-shaped chute, and then the first spring 9 and the round snap 10 cooperate to limit it, and the recycling is completed.

[0029] The above has introduced in detail a kind of electric vehicle with a telescopic backrest provided by the present utility model. Specific embodiments are applied herein to elaborate the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. It should be pointed out that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and modifications can still be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. An electric vehicle with a retractable backrest, characterized in that: include: An electric vehicle body (1), a first cushion chair (3) and a second cushion chair (4), wherein a fixed base (2) is fixedly mounted on the electric vehicle body (1), the first cushion chair (3) is fixedly mounted on the top of the fixed base (2), two second plug boards (12) are fixedly mounted on one side of the first cushion chair (3), a first plug board (11) is fixedly mounted on one side of the second cushion chair (4), a large plug rod (20) is fixedly mounted on the first plug board (11), and the large plug rod (20) is slidably mounted on the two second plug boards. A motor (18) is fixedly mounted on one of the second plug boards (12), a limiting rotating rod (19) is fixedly mounted on the output end of the motor (18), a large plug board slot matching the large plug board (20) is provided on the limiting rotating rod (19), a small plug board slot matching the small plug board (21) is fixedly mounted in the large plug board slot, a small plug board slot matching the small plug board (21) is provided on the large plug board (20), and a movable recess matching the limiting rotating rod (19) is provided on the first plug board (11).

2. The electric vehicle with a retractable backrest according to claim 1, characterized in that: A telescopic slider (6) is slidably installed in the second cushion chair (4), two square buckles (14) are slidably installed in the telescopic slider (6), a limiting square groove matching the square buckle (14) is provided on the second cushion chair (4), a spring two (16) is fixedly installed on one side of the square buckle (14), the spring two (16) is fixedly installed in the telescopic slider (6), a sliding square plate (13) is slidably installed on the telescopic slider (6), a telescopic cushion (5) is fixedly installed on the top of the sliding square plate (13), a plurality of spring threes (17) are fixedly installed on the bottom of the sliding square plate (13), and the plurality of spring threes (17) are all fixedly installed in the telescopic slider (6).

3. The electric vehicle with a retractable backrest according to claim 2, characterized in that: A T-shaped slider (8) is fixedly installed at the bottom end of the second cushion chair (4); a T-shaped slide groove matching the T-shaped slider (8) is provided on the fixed base (2); a large groove is provided on one side of the T-shaped slide groove; two sides of the T-shaped slide groove (8) are movably abutted against two sides of the inner wall of the large groove; a circular buckle (10) is slidably installed at the bottom end of the T-shaped slide groove; a spring (9) is fixedly installed at the bottom end of the circular buckle (10); the spring (9) is fixedly installed in the fixed base (2); a limiting circular groove matching the circular buckle (10) is provided at the bottom end of the T-shaped slide groove (8).

4. The electric vehicle with a retractable backrest according to claim 3, characterized in that: A connecting rod (15) is fixedly mounted on one side of the square buckle (14); a sliding square groove matching the connecting rod (15) and the square buckle (14) is provided on the telescopic slider (6); the square buckle (14) is slidably mounted in the sliding square groove; and the second spring (16) is fixedly mounted in the sliding square groove.

5. The electric vehicle with a retractable backrest according to claim 4, characterized in that: The fixed base (2) is provided with a sliding circular groove matching the circular buckle (10), the circular buckle (10) is slidably mounted in the sliding circular groove, the spring 1 (9) is fixedly mounted in the sliding circular groove, and the telescopic slider (6) is provided with a moving groove matching the sliding square plate (13).

6. The electric vehicle with a retractable backrest according to claim 1, characterized in that: The second cushion chair (4) is provided with a limiting groove matching the two second plugging plates (12), the first cushion chair (3) and the two cushion chairs are provided with a sliding strip groove matching the large plugging rod (20), and the first cushion chair (3) is provided with a limiting groove matching the first plugging plate (11).

7. The electric vehicle with a retractable backrest according to claim 1, characterized in that: The two second plug plates (12) are each provided with a rotation groove matching the limiting rotation rod (19), and one of the second plug plates (12) is provided with a fixed circular groove matching the motor (18).

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