CN213393283U

CN213393283U - Impact-resistant energy-saving shock absorber for electric vehicle

Info

Publication number: CN213393283U
Application number: CN202021774948.XU
Authority: CN
Inventors: 周劲松
Original assignee: Wuxi Hansenyuan Machinery Co ltd
Current assignee: Wuxi Hansenyuan Machinery Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-06-08
Anticipated expiration: 2030-08-21

Abstract

The utility model belongs to the technical field of shock absorber equipment, specifically disclose an energy-saving electric motor car bumper shock absorber of shock resistance, including shock attenuation inner shell, shock attenuation shell and buffering box, the bottom of shock attenuation inner shell and buffering box is fixed with the mounting panel, and the lateral wall of shock attenuation inner shell has seted up first spacing spout, and the lateral wall of buffering box has seted up second spacing spout, and the inner wall of shock attenuation shell is close to both sides opening part and is fixed with the stopper, shock attenuation inner shell and buffering box insert through the opening of shock attenuation shell both sides and establish in the shock attenuation shell, stopper respectively with first spacing spout and second spacing spout slip joint; a connecting ring is fixed in the damping inner shell, a pushing plate is fixed in the damping outer shell, a thimble is fixed on the pushing plate, and a damping spring is connected between the pushing plate and the connecting ring; the shock absorber can perform stepped buffering on the shock force received by the electric vehicle, and can play a good role in protecting the shock absorbing spring inside the shock absorber while enhancing the buffering capacity of the shock absorber.

Description

Impact-resistant energy-saving shock absorber for electric vehicle

Technical Field

The utility model relates to an energy-saving electric motor car bumper shock absorber of nai impact belongs to bumper shock absorber equipment technical field.

Background

The shock absorber of the electric vehicle is mainly used for buffering the impact vibration to a driver and a passenger caused by the impact of the ground to the vehicle so as to improve the comfort of the driver and the passenger; the main parts of the existing shock absorber are springs, and the mass of the springs determines the shock absorption effect of the shock absorber; the spring structure in the existing shock absorber is generally exposed in an external environment for a long time, and is easy to corrode and damage, so that the service life of the shock absorber is influenced; in addition, current bumper shock absorber does not have self-protection function, and when the vibrations that the electric motor car received were too big, the spring in the bumper shock absorber surpassed the scope of bearing easily, takes place permanent deformation for the bumper shock absorber can't reuse.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-saving electric motor car bumper shock absorber of nai impact to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an impact-resistant energy-saving shock absorber for an electric vehicle comprises a shock absorption inner shell, a shock absorption outer shell and a buffer box, wherein mounting plates are fixed at the bottoms of the shock absorption inner shell and the buffer box, a first limiting chute is formed in the outer side wall of the shock absorption inner shell, a second limiting chute is formed in the outer side wall of the buffer box, a limiting block is fixed on the inner wall of the shock absorption outer shell close to openings at two sides, the shock absorption inner shell and the buffer box are inserted into the shock absorption outer shell through the openings at two sides of the shock absorption outer shell, and the limiting block is respectively in sliding clamping connection with the first; the shock absorption inner shell is internally fixed with a connecting ring, the shock absorption outer shell is internally fixed with a pushing plate, a thimble is fixed on the pushing plate, and a shock absorption spring is connected between the pushing plate and the connecting ring.

Preferably, a piston plate is arranged in the shock absorption inner shell in a sliding mode, a sealing cavity is formed between the piston plate and the bottom of the shock absorption inner shell, and high-pressure gas is filled in the sealing cavity.

Preferably, an extrusion block is fixed at one end of the pushing plate far away from the thimble.

Preferably, a buffer plate is arranged in the buffer box close to the opening of the buffer box in a sliding mode, symmetrical moving plates are arranged in the buffer box in a sliding mode, a plurality of elastic bulges are arranged on opposite surfaces of the moving plates, and a rubber pad is laid on one side, far away from the elastic bulges, of the moving plates.

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

the utility model relates to an energy-saving electric motor car bumper shock absorber of nai impact can play good guard action to damping spring through being provided with shock attenuation inner shell and shock attenuation shell, avoids damping spring and external environment to contact to extension damping spring's life.

The utility model discloses be provided with the piston board, form sealed chamber between piston board and the shock attenuation inner shell bottom, sealed intracavity is filled there is high-pressure gas, after the spring tentatively cushions, if the vibrations power lasts, the thimble can promote the motion of piston board, under the high-pressure gas effect, plays the vibrations power that secondary buffer function reduces buffer spring's the bearing simultaneously.

Can play further cushioning effect to the vibrations power through being provided with the buffering box to further vibrations power that reduces buffer spring and bear plays the guard action to buffer spring, has strengthened the shock-absorbing capacity of this bumper shock absorber simultaneously.

The utility model discloses be provided with first spacing spout and the spacing spout of second, under the cooperation of stopper, when the compression distance of this bumper shock absorber is the biggest, damping spring still does not reach limit compression distance, plays good control action to damping spring compression distance, avoids damping spring to appear permanent deformation's the condition.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1. a shock absorbing inner shell; 101. a first limiting chute; 2. a shock-absorbing housing; 3. a buffer box; 301. a second limiting chute; 4. mounting a plate; 5. a limiting block; 6. a connecting ring; 7. a push plate; 8. a thimble; 9. a damping spring; 10. a piston plate; 11. extruding the block; 12. a buffer plate; 13. moving the plate; 14. an elastic bulge; 15. and (7) a rubber pad.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: an impact-resistant energy-saving shock absorber for an electric vehicle comprises a shock absorption inner shell 1, a shock absorption outer shell 2 and a buffer box 3, wherein a mounting plate 4 is fixed at the bottoms of the shock absorption inner shell 1 and the buffer box 3, a first limiting chute 101 is formed in the outer side wall of the shock absorption inner shell 1, a second limiting chute 301 is formed in the outer side wall of the buffer box 3, a limiting block 5 is fixed on the inner wall of the shock absorption outer shell 2 close to openings at two sides, the shock absorption inner shell 1 and the buffer box 3 are inserted into the shock absorption outer shell 2 through openings at two sides of the shock absorption outer shell 2, and the limiting block 5 is respectively in sliding clamping connection with the first limiting chute; a connecting ring 6 is fixed in the damping inner shell 1, a pushing plate 7 is fixed in the damping outer shell 2, a thimble 8 is fixed on the pushing plate 7, and a damping spring 9 is connected between the pushing plate 7 and the connecting ring 6.

Further, a piston plate 10 is slidably arranged in the damping inner shell 1, a sealing cavity is formed between the piston plate 10 and the bottom of the damping inner shell 1, and high-pressure gas is filled in the sealing cavity.

Furthermore, a squeezing block 11 is fixed at one end of the pushing plate 7 far away from the thimble 8.

Further, a buffer plate 12 is arranged in the buffer box 3 close to the opening of the buffer box 3 in a sliding mode, a symmetrical moving plate 13 is arranged in the buffer box 3 in the sliding mode, a plurality of elastic protrusions 14 are arranged on the opposite surface of the moving plate 13, and a rubber pad 15 is laid on one side, far away from the elastic protrusions 14, of the moving plate 13.

The working principle is as follows: the utility model relates to an energy-saving electric motor car bumper shock absorber of shock resistance, during the use, when this bumper shock absorber carries out the shock attenuation, shock attenuation inner shell 1, can take place relative motion between shock attenuation shell 2 and the buffer box 3, it can extrude damping spring 9 simultaneously to bulldoze board 7 and can extrude piece 11 and can extrude rubber pad 15 through buffer plate 12, thereby rubber pad 15 realizes the cushioning effect through movable plate 13 extrusion elastic bulge 14, under damping spring 9 and buffer box 3's cooperation, realize the preliminary cushioning effect to the vibrations power, buffer box 3 can reduce the vibrations power that damping spring 9 received.

When the vibration force is continuously increased, the thimble 8 can impact the piston plate 10, and the piston plate 10 can compress high-pressure air in the sealing cavity, so that the vibration force is further buffered; to share the shock force received by the shock-absorbing spring 9 and the buffer box 3, thereby avoiding the damage of the shock-absorbing spring 9 and the buffer box 3.

When the shaking force lasts the increase once more, under the cooperation of first spacing spout 101, second spacing spout 301 and stopper 5, restricted the compression distance of this bumper shock absorber, avoid the inner structure of bumper shock absorber to damage for this bumper shock absorber has certain self-protect function, thereby prolongs the life of this bumper shock absorber.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an energy-saving electric motor car bumper shock absorber of shock resistance which characterized in that: the damping device comprises a damping inner shell (1), a damping outer shell (2) and a buffering box (3), wherein a mounting plate (4) is fixed at the bottoms of the damping inner shell (1) and the buffering box (3), a first limiting chute (101) is formed in the outer side wall of the damping inner shell (1), a second limiting chute (301) is formed in the outer side wall of the buffering box (3), a limiting block (5) is fixed on the inner wall of the damping outer shell (2) close to openings at two sides, the damping inner shell (1) and the buffering box (3) are inserted into the damping outer shell (2) through the openings at two sides of the damping outer shell (2), and the limiting block (5) is respectively in sliding clamping connection with the first limiting chute (101) and the second limiting chute (301); the shock absorption inner shell (1) is internally fixed with a connecting ring (6), the shock absorption outer shell (2) is internally fixed with a pushing plate (7), the pushing plate (7) is fixedly provided with a thimble (8), and a shock absorption spring (9) is connected between the pushing plate (7) and the connecting ring (6).

2. The shock-resistant energy-saving electric vehicle shock absorber according to claim 1, wherein: a piston plate (10) is arranged in the damping inner shell (1) in a sliding mode, a sealing cavity is formed between the piston plate (10) and the bottom of the damping inner shell (1), and high-pressure gas is filled in the sealing cavity.

3. The shock-resistant energy-saving electric vehicle shock absorber according to claim 1, wherein: and an extrusion block (11) is fixed at one end of the push plate (7) far away from the thimble (8).

4. The shock-resistant energy-saving electric vehicle shock absorber according to claim 1, wherein: the buffer box is characterized in that a buffer plate (12) is arranged in the buffer box (3) close to an opening of the buffer box (3) in a sliding mode, symmetrical moving plates (13) are arranged in the buffer box (3) in the sliding mode, a plurality of elastic protrusions (14) are arranged on opposite surfaces of the moving plates (13), and a rubber pad (15) is laid on one side, away from the elastic protrusions (14), of the moving plates (13).