CN215398926U

CN215398926U - Frame of electric automobile

Info

Publication number: CN215398926U
Application number: CN202120983935.1U
Authority: CN
Inventors: 朱安定
Original assignee: Suzhou Eagle Electric Vehicle Manufacturing Co Ltd
Current assignee: Suzhou Eagle Electric Vehicle Manufacturing Co Ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2022-01-04
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses a frame of an electric automobile, which comprises a shell, wherein rectangular grooves are formed in the left inner wall and the right inner wall of the shell, sliding blocks are arranged in the rectangular grooves, supporting rods are arranged in the middles of the sliding blocks on two sides, loop bars are fixedly connected to the outer side surfaces of the supporting rods, sliding sleeves are arranged on the outer side surfaces of the supporting rods and located on the outer sides of the loop bars, compression springs are arranged on the outer side surfaces of the supporting rods and located on the outer sides of the sliding sleeves, a shock absorption frame is fixedly connected to the lower surface of the loop bars, sleeves are fixedly connected to the inner wall of the top of the shell, a lifting rod is arranged in the top wall of the shell, a clamping block is arranged on the outer side surface of the lifting rod, and a connecting block is fixedly connected to the lower end of the lifting rod. The utility model is provided with the connecting rod and the sliding sleeve, so that the pressure can be buffered when the lifting rod receives vibration, and meanwhile, the buffer spring and the compression spring are used for buffering, so that the shock absorption effect is better, and the deformation of the telescopic rod caused by overlarge pressure is avoided.

Description

Frame of electric automobile

Technical Field

The utility model relates to the technical field of automobile frames, in particular to a frame of an electric automobile.

Background

The electric vehicle (BEV) is a vehicle which takes a vehicle-mounted power supply as power and drives wheels by a motor, and meets various requirements of road traffic and safety regulations. The automobile has a small influence on the environment, so that the prospect is widely seen, but the current technology is not mature. The working principle is as follows: accumulator-current-power regulator-motor-power transmission system-driven automobile running, the frame is connected with automobile body, and its lower portion is connected with suspension, at the same time several components are mounted on the frame, and the load borne by automobile is mainly borne by frame

Before the applicant applies for the utility model, a Chinese patent publication, namely 'electric automobile frame with stable structure', with publication (publication) number 'CN 207889821U', is found through retrieval, the patent prevents the frame from bursting by damping through arranging a supporting column, a damping spring and a supporting rod, and is provided with a limiting structure at the same time, but the damping effect is poor, the limiting structure is easy to collide, the frame is easy to deform, and the service life is short.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a frame of an electric automobile.

In order to achieve the purpose, the utility model adopts the following technical scheme: a rectangular groove is formed in the left inner wall and the right inner wall of the shell, a sliding block is arranged inside the rectangular groove, a supporting rod is arranged in the middle of the sliding block on the two sides of the rectangular groove, a loop bar is fixedly connected to the outer side surface of the supporting rod, a sliding sleeve is arranged on the outer side surface of the supporting rod and located on the outer side of the loop bar, a compression spring is arranged on the outer side surface of the supporting rod and located on the outer side of the sliding sleeve, and a damping frame is fixedly connected to the lower surface of the loop bar;

the utility model discloses a safety protection device for elevator, including shell, inner wall fixedly connected with sleeve in shell top, the inside lifter that is equipped with of roof of shell, the outside surface of lifter is equipped with the fixture block, the lower extreme fixedly connected with connecting block of lifter, the surface has the connecting rod through minor axis swing joint around the connecting block, the fixed cover of the inside fixedly connected with of diapire of shell, the inside swing joint of fixed cover has the mounting bracket.

As a further description of the above technical solution:

the upper inner wall and the lower inner wall of the rectangular groove are fixedly connected with buffer springs, and the buffer springs are fixedly connected with the sliding blocks.

As a further description of the above technical solution:

the outer side surface of the shell is fixedly connected with the mounting sleeve, and the outer side surface of the mounting sleeve is provided with an extension plate.

As a further description of the above technical solution:

the bottom inner wall fixedly connected with spring expansion bracket of shell, spring expansion bracket's outside surface is equipped with expanding spring, spring expansion bracket's top and shock attenuation frame swing joint.

As a further description of the above technical solution:

the outer side surface of the lifting rod is provided with a first limiting spring above the clamping block, the outer side surface of the lifting rod is provided with a second limiting spring below the clamping block, and the clamping block is movably connected with the sleeve.

As a further description of the above technical solution:

the upper surface of sliding sleeve is equipped with the mount pad, be equipped with fixed axle and connecting rod swing joint between mount pad and the connecting rod.

As a further description of the above technical solution:

the top end of the mounting frame is movably connected with a connecting spring, the damping frame is movably connected with the fixed sleeve, and the lower end of the damping frame is movably connected with the connecting spring.

As a further description of the above technical solution:

the top of lifter is equipped with the installation piece, first spacing spring all is located telescopic inside with the spacing spring of second.

The utility model has the following beneficial effects:

1. compared with the prior art, this electric automobile's frame is equipped with connecting rod and sliding sleeve, makes the lifter when receiving vibrations, can cushion pressure, utilizes buffer spring and compression spring to cushion simultaneously, makes the shock attenuation effect better, avoids the telescopic link to receive pressure too big and lead to warping.

2. Compared with the prior art, this electric automobile's frame is equipped with fixture block and spacing spring, makes the telescopic link be difficult for excessively moving down, avoids the telescopic link to cause the damage to the device, is favorable to buffering the telescopic link simultaneously and causes the collision when kick-backing.

3. Compared with the prior art, this electric automobile's frame is equipped with connecting spring and fixed cover, is favorable to buffering the vibrations of mounting bracket, is favorable to protecting the shock attenuation frame, utilizes the spring expansion bracket simultaneously, is favorable to preventing that the mounting bracket from excessively moving down.

Drawings

Fig. 1 is a cross-sectional view of a frame of an electric vehicle according to the present invention;

FIG. 2 is a front view of a frame of an electric vehicle according to the present invention;

FIG. 3 is an enlarged view of a portion A of a frame of an electric vehicle according to the present invention;

fig. 4 is a perspective view of a housing of a frame of an electric vehicle according to the present invention.

Illustration of the drawings:

1. a housing; 2. a rectangular groove; 3. a buffer spring; 4. a slider; 5. a sliding sleeve; 6. a sleeve; 7. a lifting rod; 8. a first limit spring; 9. a clamping block; 10. a second limit spring; 11. connecting blocks; 12. a connecting rod; 13. a support bar; 14. a loop bar; 15. a shock-absorbing mount; 16. a mounting frame; 17. a spring expansion bracket; 18. and (4) fixing sleeves.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides a frame of an electric vehicle: comprises a shell 1, a spring expansion bracket 17 is fixedly connected with the inner wall of the bottom of the shell 1, an expansion spring is arranged on the outer side surface of the spring expansion bracket 17, the top end of the spring expansion bracket 17 is movably connected with a shock absorption bracket 15, rectangular grooves 2 are formed in the left and right inner walls of the shell 1, sliding blocks 4 are arranged inside the rectangular grooves 2, a support rod 13 is arranged in the middle of the sliding blocks 4 at two sides, a loop bar 14 is fixedly connected with the outer side surface of the support rod 13, a sliding sleeve 5 is arranged on the outer side surface of the support rod 13 and positioned outside the loop bar 14, so that a lifting rod 7 can buffer pressure when receiving shock, and simultaneously, the buffer spring 3 and the compression spring are utilized for buffering, so that the shock absorption effect is better, the deformation of the telescopic rod caused by overlarge pressure is avoided, a mounting seat is arranged on the upper surface of the sliding sleeve 5, a fixed shaft is arranged between the mounting seat and the connecting rod 12 and movably connected with the connecting rod 12, and a compression spring is arranged on the outer side surface of the support rod 13 and positioned outside the sliding sleeve 5, the lower surface of the loop bar 14 is fixedly connected with a damping frame 15;

1 top inner wall fixedly connected with sleeve 6 of shell, the inside lifter 7 that is equipped with of roof of shell 1, the outside surface of lifter 7 and the top that is located fixture block 9 are equipped with first spacing spring 8, the outside surface of lifter 7 and the below that is located fixture block 9 are equipped with the spacing spring 10 of second, fixture block 9 and sleeve 6 swing joint, the outside surface of lifter 7 is equipped with fixture block 9, the lower extreme fixedly connected with connecting block 11 of lifter 7, there is connecting rod 12 front and back surface of connecting block 11 through minor axis swing joint, the fixed cover 18 of the inside fixedly connected with of diapire of shell 1, the inside swing joint of fixed cover 18 has mounting bracket 16, the top swing joint of mounting bracket 16 has connecting spring, shock attenuation frame 15 and fixed 18 swing joint of cover, the low side and the connecting spring swing joint of shock attenuation frame 15.

Upper and lower inner wall fixedly connected with buffer spring 3 of rectangular channel 2,

buffer spring

3 and 4 fixed connection of slider, the outside fixed surface of shell 1 connects the installation cover, the outside surface of installation cover is equipped with the extension board, the top of lifter 7 is equipped with the installation piece, first spacing spring 8 all is located the inside of sleeve 6 with the spacing spring 10 of second, it is difficult for excessively moving down to make the telescopic link, avoid the telescopic link to cause the damage to the device, be favorable to buffering the telescopic link simultaneously and cause the collision when kick-backing.

The working principle is as follows: install shell 1 in the installation cover, will install piece and body connection, be connected mounting bracket 16 with hanging, when the automobile body received vibrations, the telescopic link moved down and drives connecting rod 12 and rotate, and sliding sleeve 5 removes simultaneously, utilizes compression spring to carry out the shock attenuation, when hanging and receiving vibrations, mounting bracket 16 drives connecting spring vibrations and cushions, makes vibrations difficult too big, and simple structure easily operates, and during the shock attenuation, each difficult emergence collision of mechanism makes the live time of device longer, and the result of use is better.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an electric automobile's frame, includes shell (1), its characterized in that: the left inner wall and the right inner wall of the shell (1) are provided with rectangular grooves (2), sliding blocks (4) are arranged inside the rectangular grooves (2), supporting rods (13) are arranged in the middles of the sliding blocks (4) on two sides, sleeve rods (14) are fixedly connected to the outer side surfaces of the supporting rods (13), sliding sleeves (5) are arranged on the outer side surfaces of the supporting rods (13) and located on the outer sides of the sleeve rods (14), compression springs are arranged on the outer side surfaces of the supporting rods (13) and located on the outer sides of the sliding sleeves (5), and damping frames (15) are fixedly connected to the lower surfaces of the sleeve rods (14);

shell (1) top inner wall fixedly connected with sleeve (6), the inside lifter (7) that is equipped with of roof of shell (1), the outside surface of lifter (7) is equipped with fixture block (9), the lower extreme fixedly connected with connecting block (11) of lifter (7), the front and back surface of connecting block (11) has connecting rod (12) through minor axis swing joint, the fixed cover (18) of the inside fixedly connected with of diapire of shell (1), the inside swing joint of fixed cover (18) has mounting bracket (16).

2. The frame of the electric automobile according to claim 1, characterized in that: the upper inner wall and the lower inner wall of the rectangular groove (2) are fixedly connected with buffer springs (3), and the buffer springs (3) are fixedly connected with the sliding blocks (4).

3. The frame of the electric automobile according to claim 1, characterized in that: the outer side surface of the shell (1) is fixedly connected with a mounting sleeve, and an extension plate is arranged on the outer side surface of the mounting sleeve.

4. The frame of the electric automobile according to claim 1, characterized in that: the bottom inner wall fixedly connected with spring expansion bracket (17) of shell (1), the outside surface of spring expansion bracket (17) is equipped with expanding spring, the top and the shock attenuation frame (15) swing joint of spring expansion bracket (17).

5. The frame of the electric automobile according to claim 1, characterized in that: the outer side surface of the lifting rod (7) is provided with a first limiting spring (8) above the clamping block (9), the outer side surface of the lifting rod (7) is provided with a second limiting spring (10) below the clamping block (9), and the clamping block (9) is movably connected with the sleeve (6).

6. The frame of the electric automobile according to claim 1, characterized in that: the upper surface of sliding sleeve (5) is equipped with the mount pad, be equipped with fixed axle and connecting rod (12) swing joint between mount pad and connecting rod (12).

7. The frame of the electric automobile according to claim 1, characterized in that: the top end of the mounting frame (16) is movably connected with a connecting spring, the shock absorption frame (15) is movably connected with the fixed sleeve (18), and the lower end of the shock absorption frame (15) is movably connected with the connecting spring.

8. The frame of the electric automobile according to claim 5, characterized in that: the top of lifter (7) is equipped with the installation piece, first spacing spring (8) and second spacing spring (10) all are located the inside of sleeve (6).