CN216742612U

CN216742612U - Shock absorber for electric vehicle

Info

Publication number: CN216742612U
Application number: CN202220344375.XU
Authority: CN
Inventors: 张厚华
Original assignee: Xuzhou De Gao Electric Vehicle Technology Co ltd
Current assignee: Xuzhou De Gao Electric Vehicle Technology Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-06-14
Anticipated expiration: 2032-02-16

Abstract

The utility model discloses a damper for an electric vehicle, which belongs to the technical field of dampers for electric vehicles and comprises a fixed plate, telescopic rods are fixedly arranged on the lower surfaces of two ends of the fixed plate, a main damping spring is sleeved on the telescopic rods, the upper end of the main damping spring is fixedly connected with the lower surface of a connecting plate, a fixed ring is sleeved on a connecting block, a limit block at the upper end is placed in a limit groove, the fixed ring and a supporting rod are fixed by being in threaded connection with the limit block and the fixed block through a second bolt, the upper end of the supporting rod penetrates through the fixed plate and the connecting plate and is in threaded connection with the supporting rod and the connecting plate through a third bolt, the position of the connecting plate is fixed, then when a bumpy road section is met, the lower end of a moving column is driven by the fixed plate to enter the inside of a fixed column, the fixed plate extrudes the main damping spring through the elasticity of the main damping spring, and when the fixed plate is popped, the main damping spring is prevented from being damaged due to overlong through the elasticity of an auxiliary damping spring, and the damage caused by over-tight extrusion during extrusion is also avoided.

Description

Shock absorber for electric vehicle

Technical Field

The utility model relates to the technical field of electric vehicle shock absorbers, in particular to a shock absorber for an electric vehicle.

Background

Electric vehicles, namely electric drive vehicles, are also known as electric drive vehicles. Electric vehicles are classified into alternating current electric vehicles and direct current electric vehicles. Generally, an electric vehicle is a vehicle that uses a battery as an energy source, and converts electric energy into mechanical energy through a controller, a motor and other components to move so as to control the current and change the speed. With the continuous development of the electric vehicle industry, the competition of the electric vehicle industry is more and more intense, and each part of the electric vehicle needs to reasonably control the production cost;

the existing shock absorber is used for solving the problems that when the spring is subjected to overlarge pressure, the spring is possibly compressed to the limit, the service life of the spring is shortened, and the shock absorber is inconvenient to disassemble.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a shock absorber for an electric vehicle, which solves the above problems.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a bumper shock absorber for electric motor car, includes the fixed plate, fixed surface is equipped with the telescopic link under the fixed plate both ends, the cover is equipped with main damping spring on the telescopic link, fixed surface is connected under main damping spring upper end and the connecting plate, the fixed connecting block that is equipped with of telescopic link lower extreme, the cover is equipped with solid fixed ring on the connecting block, gu fixed ring is close to fixed plate middle part one side rigidity and is equipped with the bracing piece, fixed surface is equipped with a pair of vice damping spring on the fixed plate, the fixed connecting plate that is equipped with in vice damping spring upper end, the upper end of the support bar runs through the connecting plate.

Preferably, the telescopic link includes a movable column and a fixed column, the lower end of the movable column is connected with the fixed column in a sliding manner, a round block is fixedly arranged at the lower end of the movable column and is connected with the inner wall of the fixed column in a sliding manner, a plurality of ventilation grooves are formed in the periphery of the round block, a round stop block is sleeved at the upper end of the fixed column, a pair of first bolts are arranged on the round stop block in a threaded manner, and the lower ends of the first bolts are connected with the upper end of the fixed column in a threaded manner.

Preferably, the fixed block that is equipped with of fixed column lower extreme, fixed block lower extreme and connecting block upper end fixed connection, a pair of spacing groove has been seted up to the fixed block lower surface, solid fixed ring last fixed surface is equipped with the stopper, the stopper outer wall is laminated with spacing inslot wall mutually, the screw thread is equipped with the second bolt on the fixed block, second bolt tip and stopper threaded connection.

Preferably, the connecting plate is provided with fixing grooves at two ends, the fixing grooves penetrate through the connecting plate, the outer wall of the supporting rod is attached to the inner wall of the fixing grooves, third bolts are arranged on threads at two ends of the connecting plate and are in threaded connection with the supporting rod.

Preferably, the support rod is L-shaped, and the lower end of the main damping spring is attached to the upper surface of the fixing block.

Preferably, the lower end of the moving column penetrates through a circular stop block, and the diameter of the circular stop block is equal to that of the fixed column.

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

1. with solid fixed ring cover, be equipped with on the connecting block, put into the spacing inslot with the stopper of upper end, through second bolt and stopper and fixed block threaded connection, with solid fixed ring and bracing piece rigidity, fixed plate and connecting plate are run through to the bracing piece upper end, through third bolt and bracing piece and connecting plate threaded connection, with the connecting plate rigidity, when meetting the highway section of jolting, the fixed plate drives and removes inside the post lower extreme gets into the fixed column, the fixed plate and extrudees main damping spring, bounce the fixed plate through main damping spring's elasticity, elasticity through vice damping spring when bounceing avoids main damping spring overlength to lead to damaging, extrusion tension when also avoiding the extrusion causes the damage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic view of the telescopic rod of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 2 at C according to the present invention;

in the figure: 1. a fixing plate; 11. a telescopic rod; 111. moving the column; 112. fixing a column; 13. a main damping spring; 14. a fixing ring; 15. a support bar; 16. a connecting plate; 17. an auxiliary damping spring; 18. connecting blocks; 2. a circular block; 21. a ventilation slot; 22. a circular stopper; 23. a first bolt; 3. a limiting groove; 31. a limiting block; 32. a second bolt; 33. a fixed block; 4. fixing grooves; 41. and a third bolt.

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, the present invention provides a damper for an electric vehicle, which comprises a fixing plate 1, wherein telescopic rods 11 are fixedly arranged on the lower surfaces of two ends of the fixing plate 1, a main damping spring 13 is sleeved on the telescopic rods 11, the upper end of the main damping spring 13 is fixedly connected with the lower surface of a connecting plate 16, a connecting block 18 is fixedly arranged at the lower end of the telescopic rods 11, a fixing ring 14 is sleeved on the connecting block 18, a supporting rod 15 is fixedly arranged at one side of the fixing ring 14 close to the middle of the fixing plate 1, a pair of auxiliary damping springs 17 is fixedly arranged on the upper surface of the fixing plate 1, the upper end of the auxiliary damping spring 17 is fixedly arranged with the connecting plate 16, the upper end of the supporting rod 15 penetrates through the connecting plate 16, the supporting rod 15 is in an L shape, the lower end of the main damping spring 13 is attached to the upper surface of a fixing block 33, the main damping spring 13 is sleeved on the telescopic rods 11, the length of the main damping spring 13 is greater than that of the auxiliary damping spring 17, and the supporting rod 15 is positioned at the inner side of the main damping spring 13, when meetting the highway section of jolting, inside fixed plate 1 drove 111 lower extremes of removal post and get into fixed column 112, fixed plate 1 extrudeed main damping spring 13, bounce fixed plate 1 through main damping spring 13's elasticity, elasticity through vice damping spring 17 when bounce avoids main damping spring 13 overlength to lead to damaging, it causes the damage to extrude overtightly when also avoiding the extrusion, vice damping spring 17 is fixed through connecting plate 16, connecting plate 16 supports through bracing piece 15, bracing piece 15 is connected with connecting block 18 through solid fixed ring 14, connecting block 18 is connected with the tire.

Telescopic link 11 is including removing post 111 and fixed column 112, remove post 111 lower extreme and fixed column 112 sliding connection, it is fixed to be equipped with circular piece 2 to remove post 111 lower extreme, circular piece 2 and fixed column 112 inner wall sliding connection, circular piece 2 has seted up a plurality of ventilation slots 21 all around, fixed column 112 pot head is equipped with circular dog 22, the screw thread is equipped with a pair of first bolt 23 on the circular dog 22, first bolt 23 lower extreme and fixed column 112 upper end threaded connection, it runs through circular dog 22 to remove post 111 lower extreme, circular dog 22 diameter is equal with fixed column 112 diameter, when removing post 111 and driving circular piece 2 and remove along fixed column 112 inner wall, air in it can produce the compression, can produce very big resistance, make inside air can circulate through ventilation slot 21, circular dog 22 is fixed through first bolt 23, prevent that circular piece 2 from breaking away from in the fixed column 112.

The lower end of the fixing column 112 is fixedly provided with a fixing block 33, the lower end of the fixing block 33 is fixedly connected with the upper end of the connecting block 18, the lower surface of the fixing block 33 is provided with a pair of limiting grooves 3, the upper surface of the fixing ring 14 is fixedly provided with a limiting block 31, the outer wall of the limiting block 31 is attached to the inner wall of the limiting groove 3, the upper thread of the fixing block 33 is provided with a second bolt 32, the end part of the second bolt 32 is in threaded connection with the limiting block 31, the fixing ring 14 is sleeved on the connecting block 18, the limiting block 31 at the upper end is placed in the limiting groove 3, and the fixing ring 14 and the supporting rod 15 are fixed through the second bolt 32, the limiting block 31 and the fixing block 33 in threaded connection.

Fixed slot 4 has been seted up at both ends on the connecting plate 16, and fixed slot 4 runs through connecting plate 16, and the outer wall of bracing piece 15 is laminated with 4 inner walls of fixed slot mutually, and the screw thread in connecting plate 16 both ends is equipped with third bolt 41, and

third bolt

41 and 15 threaded connection of bracing piece, bracing piece 15 upper end run through fixed plate 1 and connecting plate 16, through third bolt 41 and

bracing piece

15 and 16 threaded connection of connecting plate, with connecting plate 16 rigidity.

The working principle is as follows: firstly, with solid fixed ring 14 cover be equipped with on connecting block 18, put into spacing groove 3 with stopper 31 of upper end, through second bolt 32 and stopper 31 and fixed block 33 threaded connection, with solid fixed ring 14 and bracing piece 15 fixed position, bracing piece 15 upper end runs through fixed plate 1 and connecting plate 16, through third bolt 41 and bracing piece 15 and connecting plate 16 threaded connection, with connecting plate 16 fixed position, when meetting the highway section of jolting, fixed plate 1 drives and removes 111 lower extreme entering fixed column 112 inside, fixed plate 1 extrudees main damping spring 13, bounce fixed plate 1 through main damping spring 13's elasticity, avoid main damping spring 13 overlength to lead to the damage through vice damping spring 17's elasticity when bouncing, also avoid extruding during the extrusion to lead to the fact the damage by tension.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a bumper shock absorber for electric motor car, includes fixed plate (1), its characterized in that: fixed plate (1) both ends lower fixed surface is equipped with telescopic link (11), the cover is equipped with main damping spring (13) on telescopic link (11), main damping spring (13) upper end and connecting plate (16) lower fixed surface are connected, telescopic link (11) lower extreme fixed is equipped with connecting block (18), the cover is equipped with solid fixed ring (14) on connecting block (18), gu fixed ring (14) are close to fixed plate (1) middle part one side rigidity and are equipped with bracing piece (15), fixed plate (1) upper surface is fixed and is equipped with a pair of vice damping spring (17), vice damping spring (17) upper end is fixed and is equipped with connecting plate (16), bracing piece (15) upper end runs through connecting plate (16).

2. The shock absorber for the electric vehicle as claimed in claim 1, wherein the telescopic rod (11) comprises a moving column (111) and a fixed column (112), the lower end of the moving column (111) is slidably connected with the fixed column (112), a circular block (2) is fixedly arranged at the lower end of the moving column (111), the circular block (2) is slidably connected with the inner wall of the fixed column (112), a plurality of ventilation grooves (21) are formed in the periphery of the circular block (2), a circular stop block (22) is sleeved at the upper end of the fixed column (112), a pair of first bolts (23) are arranged on the circular stop block (22) in a threaded manner, and the lower end of each first bolt (23) is in threaded connection with the upper end of the fixed column (112).

3. The shock absorber for the electric vehicle as claimed in claim 2, wherein a fixing block (33) is fixedly arranged at the lower end of the fixing column (112), the lower end of the fixing block (33) is fixedly connected with the upper end of the connecting block (18), a pair of limiting grooves (3) are formed in the lower surface of the fixing block (33), a limiting block (31) is fixedly arranged on the upper surface of the fixing ring (14), the outer wall of the limiting block (31) is attached to the inner wall of the limiting groove (3), a second bolt (32) is arranged on the fixing block (33) in a threaded manner, and the end portion of the second bolt (32) is in threaded connection with the limiting block (31).

4. The shock absorber for the electric vehicle as claimed in claim 1, wherein fixing grooves (4) are formed at two ends of the connecting plate (16), the fixing grooves (4) penetrate through the connecting plate (16), the outer wall of the supporting rod (15) is attached to the inner wall of the fixing grooves (4), third bolts (41) are screwed at two ends of the connecting plate (16), and the third bolts (41) are screwed with the supporting rod (15).

5. The damper for electric vehicles according to claim 1, wherein the support rod (15) has an L-shape, and the lower end of the main damping spring (13) is attached to the upper surface of the fixing block (33).

6. The damper for electric vehicles according to claim 2, wherein the lower end of the moving column (111) penetrates a circular stopper (22), and the diameter of the circular stopper (22) is equal to that of the fixed column (112).