CN216232702U - Electric motor car back of institutional advancement - Google Patents

Abstract

The utility model belongs to the technical field of vehicles, and relates to a structurally optimized electric vehicle backrest, which comprises a backboard, a movable plate and a backrest, wherein four grooves are formed in one side of the backboard, an elastic mechanism is arranged in each groove, each elastic mechanism comprises a first gasket, a spring and a second gasket, the first gasket is arranged in each groove, the spring is fixedly connected to the first gasket, one end, far away from the first gasket, of the spring is fixedly connected to the second gasket, two pairs of clamping pieces are arranged on the backboard, four clamping grooves are formed in one side, close to the backboard, of the movable plate, the four clamping grooves and the four clamping pieces are positioned on the same side, the clamping pieces are movably connected to the clamping grooves, a limiting plate is arranged on one side, close to the movable plate, in each backrest, the movable plate is fixedly connected to the limiting plate, the backrest is movably connected to the backboard through a movable groove, an elastic plate is arranged on one side, far away from the backboard, a fixed plate is arranged in the backboard, two support frames are arranged on the fixed plate, and a mounting plate is arranged between the two support frames, the installation efficiency of effectual improvement equipment improves its travelling comfort.

Description

Electric motor car back of institutional advancement

Technical Field

The utility model belongs to the technical field of vehicles, and particularly relates to an electric vehicle backrest with an optimized structure.

Background

The electric bicycle is a convenient and environment-friendly vehicle which adopts a rechargeable battery to provide power, and is particularly suitable for serving as a single or double medium-short distance transportation vehicle. The electric vehicle capable of being used by more than two persons is generally provided with a rear seat, and a rear seat backrest is generally arranged on the rear edge of the rear seat in order to improve the riding comfort and stability of the rear seat, but the existing backrest has some problems in use.

When the existing backrest is used, the comfort degree of the backrest is improved by using a sponge material which is installed, but the sponge material is more complicated when being installed, the installation is difficult, the installation efficiency of equipment is invisibly influenced, and the comfort degree of the equipment is also reduced when the backrest is used.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric vehicle backrest with an optimized structure, which is used for solving the problems.

In order to solve the technical problems, the utility model provides the following technical scheme:

an electric vehicle backrest with an optimized structure comprises a backboard, a movable plate and a backrest, wherein four grooves are formed in one side of the backboard, an elastic mechanism is installed in each groove and comprises a first gasket, a spring and a second gasket, the first gasket is installed in each groove, the spring is fixedly connected to the first gasket, one end, away from the first gasket, of the spring is fixedly connected to the second gasket, the backboard is provided with two pairs of clamping pieces, the movable plate is provided with four clamping grooves close to one side of the backboard, the four clamping grooves and the four clamping pieces are positioned at the same side, the clamping pieces are movably connected in the clamping grooves, a limiting plate is arranged in the backrest close to one side of the movable plate, the movable plate is fixedly connected to the limiting plate, a movable groove is formed in the backrest, the backrest is movably connected to the backboard through the movable groove, and an elastic plate is installed at one side, away from the backboard, of the backrest, the backboard is characterized in that a fixing plate is installed in the backboard, two supporting frames are installed on the fixing plate, and an installation plate is installed between the two supporting frames.

As a preferred technical scheme of the utility model, the clamping piece is L-shaped, one side of the clamping piece is provided with a soft acrylic plastic layer, and a reinforcing steel bar reinforcing layer is arranged in the clamping piece; the clamping piece is convenient to be movably connected in the clamping groove.

As a preferred technical scheme of the utility model, one side of the movable plate, which is close to the back plate, is provided with a bolt hole, and an expansion screw is arranged in the bolt hole; the movable plate is convenient to fix in the backrest, and the movable plate is prevented from shaking.

As a preferred technical scheme of the utility model, a plurality of air holes are arranged on the elastic plate, and a rubber soft layer is arranged on the surface of the elastic plate; is beneficial to increasing the ventilation of the elastic plate and makes the backrest more comfortable.

As a preferred technical scheme of the utility model, a reinforcing steel bar reinforcing layer is arranged in the support frame, and a rubber anti-skid layer is arranged on the surface of the support frame; the strength of the support frame is increased, and the support frame is prevented from being damaged when the equipment is used.

As a preferred technical scheme of the utility model, the mounting plate is provided with a fixing hole, and a reinforcing steel bar reinforcing layer is arranged in the mounting plate; the installation and the disassembly of the equipment are convenient.

The utility model has the following beneficial effects:

1. according to the utility model, the backrest slides backwards in the movable groove by extruding the backrest, when the backrest is extruded backwards, the four elastic mechanisms work, the second gasket in the elastic mechanism extrudes the spring to change the length of the spring, when the length of the spring is changed, the elasticity of the spring is increased, and the comfort of the equipment is improved by changing the elasticity, so that people can feel more comfortable when leaning against the elastic plate.

2. Through four fasteners and the draw-in groove swing joint with the installation on the backplate, when fastener swing joint was in the draw-in groove, the elasticity of spring was bounced off the fly leaf, made the fly leaf drive back keep away from the backplate, when people lean against on the back, fly leaf extrusion spring made the length of spring shorten, the fastener was in the draw-in groove activity, more convenience when making equipment fixing, further increased the travelling comfort of equipment.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a partial schematic view of the first embodiment of the present invention;

FIG. 4 is a second partial schematic view of the present invention;

fig. 5 is a schematic diagram of a part of the structure of the utility model.

In the figure: 1. a back plate; 2. a groove; 3. an elastic mechanism; 4. a first gasket; 5. a spring; 6. a second gasket; 7. a fastener; 8. a movable plate; 9. a card slot; 10. bolt holes; 11. a backrest; 12. a limiting plate; 13. a movable groove; 14. an elastic plate; 15. air holes are formed; 16. a fixing plate; 17. a support frame; 18. and (7) mounting the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-5, an electric vehicle backrest with an optimized structure comprises a back plate 1, a movable plate 8 and a backrest 11, wherein four grooves 2 are formed in one side of the back plate 1, an elastic mechanism 3 is installed in each groove 2, each elastic mechanism 3 comprises a first gasket 4, a spring 5 and a second gasket 6, the first gasket 4 is installed in each groove 2, the springs 5 are fixedly connected to the first gaskets 4, one ends of the springs 5, far away from the first gaskets 4, are fixedly connected to the second gaskets 6, two pairs of clamping pieces 7 are installed on the back plate 1, four clamping grooves 9 are formed in one side, close to the back plate 1, of the movable plate 8, the four clamping pieces 9 and the four clamping pieces 7 are located at the same side, the clamping pieces 7 are movably connected to the clamping grooves 9, a limiting plate 12 is arranged in one side, close to the movable plate 8, the movable plate 8 is fixedly connected to the limiting plate 12, a movable groove 13 is formed in the backrest 11, and the backrest 11 is movably connected to the back plate 1 through the movable groove 13, an elastic plate 14 is arranged on one side of the backrest 11 far away from the back plate 1, a fixing plate 16 is arranged in the back plate 1, two supporting frames 17 are arranged on the fixing plate 16, and an installation plate 18 is arranged between the two supporting frames 17.

The clamping piece 7 is L-shaped, one side of the clamping piece 7 is provided with a soft acrylic plastic layer, and a reinforcing steel bar reinforcing layer is arranged in the clamping piece 7; the clamping piece 7 is conveniently movably connected in the clamping groove 9; one side of the movable plate 8, which is close to the back plate 1, is provided with a bolt hole 10, and an expansion screw is arranged in the bolt hole 10; the movable plate 8 is convenient to be fixed in the backrest 11, and the movable plate 8 is prevented from shaking; a plurality of air holes 15 are arranged on the elastic plate 14, and a rubber soft layer is arranged on the surface of the elastic plate 14; the ventilation of the elastic plate 14 is increased, so that people feel more comfortable when leaning against the backrest 11; a reinforcing steel bar reinforcing layer is arranged in the supporting frame 17, and a rubber anti-skid layer is arranged on the surface of the supporting frame 17; the strength of the supporting frame 17 is increased, and the supporting frame 17 is prevented from being damaged when the equipment is used; the mounting plate 18 is provided with a fixing hole, and a reinforcing steel bar reinforcing layer is arranged in the mounting plate 18; the installation and the disassembly of the equipment are convenient.

Specifically, when the utility model is used, the mounting plate 18 is mounted on the electric vehicle, the four clamping pieces 7 mounted on the backboard 1 are movably connected with the clamping groove 9, when the clamping pieces 7 are movably connected in the clamping groove 9, the elastic force of the spring 5 springs the movable plate 8 open, so that the movable plate 8 drives the backrest 11 to be far away from the backboard 1, when people lean against the backrest 11, the movable plate 8 extrudes the spring 5, so that the length of the spring 5 is shortened, the clamping pieces 7 move in the clamping groove 9, so that the equipment is more convenient to mount, the comfort of the equipment is further increased, the four clamping pieces 7 mounted on the backboard 1 are movably connected with the clamping groove 9, when the clamping pieces 7 are movably connected in the clamping groove 9, the elastic force of the spring 5 springs the movable plate 8 open, so that the movable plate 8 drives the backrest 11 to be far away from the backboard 1, when people lean against the backrest 11, the movable plate 8 extrudes the spring 5, so that the length of the spring 5 is shortened, the clamping piece 7 moves in the clamping groove 9, so that the equipment is more convenient to mount, and the comfort of the equipment is further improved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a configuration optimization's electric motor car back, includes backplate (1), fly leaf (8) and back (11), its characterized in that: four grooves (2) are formed in one side of the backboard (1), an elastic mechanism (3) is installed in each groove (2), the elastic mechanism (3) comprises a first gasket (4), a spring (5) and a second gasket (6), the first gasket (4) is installed in each groove (2), the spring (5) is fixedly connected to the first gasket (4), one end of the spring (5) far away from the first gasket (4) is fixedly connected to the second gasket (6), two pairs of clamping pieces (7) are installed on the backboard (1), four clamping grooves (9) are formed in one side, close to the backboard (1), of the movable plate (8), the four clamping grooves (9) and the four clamping pieces (7) are located on the same side, the clamping pieces (7) are movably connected into the clamping grooves (9), a limiting plate (12) is arranged on one side, close to the movable plate (8) in the backrest (11), and the movable plate (8) is fixedly connected into the limiting plate (12), the utility model discloses a back support, including back (11), backplate (1), back (11) have been seted up movable groove (13) on back (11), back (11) are through movable groove (13) swing joint in backplate (1), backplate (1) one side is kept away from in back (11) installs elastic plate (14), install fixed plate (16) in backplate (1), install two support frames (17) on fixed plate (16), two install mounting panel (18) between support frame (17).

2. A structurally optimized electric vehicle backrest according to claim 1, characterized in that: fastener (7) are L shape, fastener (7) one side is equipped with soft ya keli plastic layer, be equipped with the reinforcing bar enhancement layer in fastener (7).

3. A structurally optimized electric vehicle backrest according to claim 1, characterized in that: one side of the movable plate (8) close to the back plate (1) is provided with a bolt hole (10), and an expansion bolt is arranged in the bolt hole (10).

4. A structurally optimized electric vehicle backrest according to claim 1, characterized in that: the elastic plate (14) is provided with a plurality of air holes (15), and the surface of the elastic plate (14) is provided with a rubber soft layer.

5. A structurally optimized electric vehicle backrest according to claim 1, characterized in that: be equipped with the reinforcing bar enhancement layer in support frame (17), support frame (17) surface is equipped with the rubber skid resistant course.

6. A structurally optimized electric vehicle backrest according to claim 1, characterized in that: the mounting plate (18) is provided with a fixing hole, and a reinforcing steel bar reinforcing layer is arranged in the mounting plate (18).

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