CN217260421U

CN217260421U - Elastic structure of backrest of portable locomotive

Info

Publication number: CN217260421U
Application number: CN202220331975.2U
Authority: CN
Inventors: 胡建
Original assignee: Wuxi Yuanjing Locomotive Parts Co ltd
Current assignee: Wuxi Yuanjing Locomotive Parts Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-08-23
Anticipated expiration: 2032-02-18

Abstract

The utility model discloses a portable locomotive backrest elastic structure, which comprises a support plate fixedly connected to a locomotive, wherein the support plate is of an L-shaped plate structure, the left side of the support plate is rotatably connected with a connecting plate through a rotating part, and the left side of the connecting plate is connected with a back plate through a plurality of elastic telescopic cylinders; the elastic telescopic cylinder comprises a cylinder body fixedly connected with the connecting plate, a first spring fixedly connected inside the cylinder body and a connecting column fixedly connected with the first spring. The utility model can realize the shock absorption effect by arranging the elastic telescopic cylinder, thereby realizing the reduction of the shock transmission between the vehicle body, the backrest and the human body, and further realizing the improvement of the backrest experience of the personnel when the vehicle runs; rotate the piece through setting up and can realize rotating certain angle between connecting plate and the backup pad, and then realize that personnel when leaning on the back through the angle of difference, the backplate will rotate certain angle and realize better laminating mutually with personnel's back, improve personnel's use and experience.

Description

Elastic structure of portable locomotive backrest

Technical Field

The utility model belongs to the technical field of the locomotive back, especially, relate to a lightweight locomotive back elastic construction.

Background

The locomotive generally refers to vehicles such as motorcycles and the like, is popular among people due to the advantages of lightness and the like, becomes an important tool for riding instead of walk in people's life, and generally a backrest for supporting the back is added behind the locomotive in order to improve the riding experience of people behind the locomotive.

However, the existing backrest structure is simple, if the ground is bumpy, people lean on the backrest and can feel strong jolt of the back, so that the back and the backrest often have to keep a certain distance, and the use experience of the people is poor.

Therefore, we propose a backrest elastic structure of a portable motorcycle to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a lightweight locomotive back elastic construction, the device can set up elastic construction and play absorbing effect with leaning against to solve the problem that proposes among the above-mentioned background.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a portable locomotive backrest elastic structure comprises a supporting plate fixedly connected to a locomotive, wherein the supporting plate is of an L-shaped plate structure, the left side of the supporting plate is rotatably connected with a connecting plate through a rotating piece, and the left side of the connecting plate is connected with a back plate through a plurality of elastic telescopic cylinders;

the elastic telescopic cylinder comprises a cylinder body fixedly connected with the connecting plate, a first spring fixedly connected inside the cylinder body and a connecting column fixedly connected with the first spring, the connecting column is connected with the cylinder body in a sliding mode, and one end, far away from the cylinder body, of the connecting column is fixedly connected with the back plate.

Further, the spliced pole passes through sliding block and first spring fixed connection, sliding block sliding connection is inside the barrel.

Furthermore, the sliding block is connected with the cylinder body in a sealing and sliding mode, and the cylinder body is provided with air holes.

Further, it includes first connecting block and second connecting block to rotate the piece, first connecting block fixed connection is on the connecting plate, second connecting block fixed connection is in the backup pad, set up the rotation groove of being connected with first connecting block rotation on the second connecting block.

Furthermore, a plurality of second springs are arranged between the supporting plate and the connecting plate.

Furthermore, a plurality of reinforcing plates are fixedly connected to the supporting plate, and two ends of each reinforcing plate are fixedly connected with two side walls of the inner side of the supporting plate respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the elastic telescopic cylinder can realize the shock absorption effect, so that the shock transmission among the vehicle body, the backrest and the human body is reduced, and the backrest experience of personnel during the running of the vehicle is improved;

2. rotate the piece through setting up and can realize rotating certain angle between connecting plate and the backup pad, and then realize that personnel when leaning on the back through the angle of difference, the backplate will rotate certain angle and realize better laminating mutually with personnel's back, improve personnel's use and experience.

Drawings

Fig. 1 is a schematic overall structure diagram of an elastic structure of a backrest of a portable type motorcycle according to the present invention;

fig. 2 is a schematic cross-sectional structural view of an elastic telescopic cylinder in an elastic structure of a backrest of a portable type locomotive.

In the figure: 1. a support plate; 2. a rotating member; 21. a first connection block; 22. a second connecting block; 23. a rotating groove; 3. a connecting plate; 4. an elastic telescopic cylinder; 41. a barrel; 42. a first spring; 43. connecting columns; 44. a slider; 5. a back plate; 6. a second spring; 7. a reinforcing plate; 8. and (4) air holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a lightweight locomotive back elastic construction, includes backup pad 1 of fixed connection on the locomotive, and backup pad 1 is L shaped plate column structure, and backup pad 1 left side is rotated through rotating 2 and is connected with connecting plate 3, and connecting plate 3 left side is connected with backplate 5 through a plurality of elastic expansion section of thick bamboo 4.

The elastic telescopic cylinder 4 comprises a cylinder body 41 fixedly connected with the connecting plate 3, a first spring 42 fixedly connected inside the cylinder body 41 and a connecting column 43 fixedly connected with the first spring 42, the connecting column 43 is slidably connected with the cylinder body 41, and one end, far away from the cylinder body 41, of the connecting column 43 is fixedly connected with the back plate 5.

When personnel's back leaned on backplate 5, the flexible tube 4 of elasticity this moment will realize being flexonics between backplate 5 and the connecting plate 3, and then realize weakening the transmission of vibrations energy between connecting plate 3 and backplate 5, and then realize playing absorbing effect that can be fine.

The connecting column 43 is fixedly connected with the first spring 42 through a sliding block 44, the sliding block 44 is slidably connected inside the cylinder 41, the sliding block 44 is slidably connected with the cylinder 41 in a sealing manner, and the cylinder 41 is provided with air holes 8. Thereby realize taking place relative movement's in-process between spliced pole 43 and the barrel 41, the slider 44 will change the inside atmospheric pressure of barrel 41, realize that the barrel 41 is inside to be similar to an air spring, and when the air passed from bleeder vent 8, the vibrations energy will rotate into the internal energy of air to better consumption vibrations energy, thereby can be better play absorbing effect

The rotating piece 2 comprises a first connecting block 21 and a second connecting block 22, the first connecting block 21 is fixedly connected to the connecting plate 3, the second connecting block 22 is fixedly connected to the supporting plate 1, and a rotating groove 23 which is rotatably connected with the first connecting block 21 is formed in the second connecting block 22. Can realize through first connecting block 21 and second connecting block 22 that can rotate certain angle between connecting plate 3 and the backup pad 1, and then can the backplate 5 can rotate certain angle in order to adapt to the leaning on of the different angles of personnel.

Be equipped with second spring 6 between backup pad 1 and the connecting plate 3, second spring 6 is equipped with a plurality ofly, and second spring 6 can realize playing the effect that resets to connecting plate 3 for connecting plate 3 normality is in a vertical state down, thereby makes things convenient for people to lean on.

A plurality of reinforcing plates 7 of fixedly connected with are gone up to backup pad 1, and 7 both ends of reinforcing plate respectively with 1 inboard both sides wall fixed connection of backup pad, realize improving the structural strength who strengthens backup pad 1 through reinforcing plate 7 for backup pad 1 can have better compressive property, ensures that backup pad 1 is difficult to the deformation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A portable locomotive backrest elastic structure comprises a supporting plate (1) fixedly connected to a locomotive, and is characterized in that the supporting plate (1) is of an L-shaped plate structure, the left side of the supporting plate (1) is rotatably connected with a connecting plate (3) through a rotating piece (2), and the left side of the connecting plate (3) is connected with a back plate (5) through a plurality of elastic telescopic cylinders (4);

elastic expansion cylinder (4) include with connecting plate (3) fixed connection's barrel (41), fixed connection at barrel (41) inside first spring (42) and with first spring (42) fixed connection's spliced pole (43), spliced pole (43) and barrel (41) sliding connection, and spliced pole (43) keep away from the one end and backplate (5) fixed connection of barrel (41).

2. The portable vehicle backrest elastic structure as claimed in claim 1, wherein the connecting column (43) is fixedly connected with the first spring (42) through a sliding block (44), and the sliding block (44) is slidably connected inside the cylinder (41).

3. The portable motorcycle backrest elastic structure according to claim 2, wherein the sliding block (44) is connected with the cylinder body (41) in a sealing and sliding manner, and the cylinder body (41) is provided with air holes (8).

4. The backrest elastic structure of a lightweight vehicle as claimed in claim 1, wherein the rotation member (2) comprises a first connecting block (21) and a second connecting block (22), the first connecting block (21) is fixedly connected to the connecting plate (3), the second connecting block (22) is fixedly connected to the supporting plate (1), and the second connecting block (22) is provided with a rotation groove (23) rotatably connected to the first connecting block (21).

5. The portable motorcycle back rest elastic structure according to claim 2, wherein a second spring (6) is provided between the support plate (1) and the connection plate (3), and the second spring (6) is provided in plurality.

6. The backrest elastic structure of a portable motorcycle according to claim 1, wherein a plurality of reinforcing plates (7) are fixedly connected to the supporting plate (1), and two ends of each reinforcing plate (7) are fixedly connected to two side walls of the inner side of the supporting plate (1).