Anti-collision damping cylinder of electric vehicle

By designing a combined structure of the first baffle, the first spring and the second baffle in the electric vehicle collision-resistant shock absorber, and combining the transfer structure of the roller and the fixed rod, the problem of insufficient collision resistance of the existing shock absorber is solved, and stronger impact resistance and longer service life are achieved.

CN222894570UActive Publication Date: 2025-05-23TIANJIN YAFEITE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421870803.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2025-05-23
Estimated Expiration
2034-08-05

AI Technical Summary

Technical Problem

When the existing electric vehicle collision-resistant shock absorber is hit by external objects, its own collision resistance is poor, easy to be damaged, and is easily subject to additional wear by external objects, affecting the performance of its collision resistance.

Method used

An electric vehicle collision-resistant shock absorbing cylinder is designed, and the impact force is transferred and buffered by fixing the two first baffles on the side surface of the shock absorbing cylinder, using the combined structure of the first baffle, the first spring and the second baffle, and transfer part of the impact force through the structure of the roller and the fixing rod to reduce the impact force. At the same time, the isolation net is used to reduce the intrusion of external impurities, prevent functional damage, and treat impurities through convenient disassembly design.

Benefits of technology

It effectively enhances the collision resistance of electric vehicle shock absorber, reduces the damage caused by external impact to the shock absorber, extends the service life, and facilitates maintenance and cleaning, ensuring the continuous use of collision resistance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222894570U_ABST
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Abstract

The anti-collision damping cylinder of the electric vehicle comprises a damping cylinder body, the side surface of the damping cylinder body is fixedly connected with two first baffles, the inner walls of the two first baffles are both fixedly connected with a plurality of first springs, and the inner walls of the two second baffles are both fixedly connected with two fixing rods. A plurality of rolling wheels are rotationally connected to the exteriors of the multiple fixing rods, sliding rods are fixedly connected to the interiors of the two second baffles, when the damping cylinder is impacted, part of impact force borne by the damping cylinder can be transferred through the rolling wheels and the fixing rods, and the impact force borne by the damping cylinder is reduced; meanwhile, a first baffle, a first spring and a second baffle are used for reducing the impact force acting on the damping cylinder, external impurities entering the second baffle can be reduced through a separation net, external corrosion to the rolling wheels is reduced, and function damage is prevented; and the connecting rods, the sliding rods and the second springs can be conveniently disassembled, impurities can be conveniently treated, and the function of the separation net is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of shock-absorbing cylinders for electric vehicles, in particular to an anti-collision shock-absorbing cylinder for electric vehicles. Background Art

[0002] With the rapid economic development in modern society, cars, electric vehicles and other means of transportation are becoming more and more widespread. Electric vehicles are more convenient to use in rural areas and are more suitable for short-distance transportation. When the road conditions are poor, the use of shock absorbers can bring a better riding experience, but shock absorbers are more easily damaged when hit.

[0003] The existing anti-collision shock absorber cylinder of electric vehicles has poor anti-collision ability when the electric vehicle shock absorber cylinder is hit by external objects, so it is easy to be damaged, affecting normal use. It is also easy to cause additional wear when hit by external objects, which will affect the anti-collision ability of the shock absorber cylinder. The device of the utility model can enhance the anti-collision ability of the electric vehicle shock absorber cylinder itself, ensure the normal use of the shock absorber cylinder, reduce external erosion, facilitate maintenance, and ensure the anti-collision ability of the shock absorber cylinder. Utility Model Content

[0004] The utility model aims to provide an anti-collision shock-absorbing cylinder for electric vehicles, so as to solve the problem that when the shock-absorbing cylinder of an electric vehicle is hit by an external object, the anti-collision ability of the shock-absorbing cylinder will be affected due to its poor anti-collision ability and the external object, which will easily cause additional wear.

[0005] To achieve the above-mentioned purpose, an anti-collision shock-absorbing cylinder for an electric vehicle is provided, comprising: a shock-absorbing cylinder, wherein the side surface of the shock-absorbing cylinder is fixedly connected to two first baffles, the inner walls of the two first baffles are fixedly connected to a plurality of first springs, the inner walls of the two first baffles are slidably connected to a second baffle, the side surfaces of the two second baffles are fixedly connected to one end of the plurality of first springs, the inner walls of the two second baffles are fixedly connected to two fixing rods, the outer parts of the plurality of fixing rods are rotatably connected to a plurality of rollers, and the plurality of rollers extend to the outer parts of the second baffles, when the shock-absorbing cylinder is hit, part of the impact force can be transferred through the rollers and the fixing rods to reduce the impact force, and at the same time, the first baffles, the first springs and the second baffles are used to reduce the impact force acting on the shock-absorbing cylinder;

[0006] An isolation net is arranged between two adjacent rollers, and multiple isolation nets are arranged inside the second baffle plates, and sliding rods are fixedly connected inside the two second baffle plates, and second springs are sleeved on the outside of multiple sliding rods, and one end of multiple second springs is fixedly connected to a connecting rod, and the inside of multiple connecting rods is slidingly connected to the outside of multiple sliding rods respectively, and the sides of multiple connecting rods are fixedly connected to sliding rods, and one end of multiple sliding rods extends to the outside of the second baffle plates, and one end of multiple connecting rods is slidingly connected to multiple isolation nets respectively. The isolation net can reduce external impurities from entering the inside of the second baffle plate, reduce external erosion of the roller, and prevent function damage. When too many impurities accumulate on the surface of the isolation net, the connecting rod, sliding rod, sliding rod and second spring can be used for convenient disassembly, which is convenient for handling impurities and ensuring the function of the isolation net.

[0007] According to the anti-collision shock-absorbing cylinder of an electric vehicle, the side surface of the shock-absorbing cylinder is fixedly connected to two slide grooves, and the bottoms of the two slide grooves are fixedly connected to micro motors. The micro motors are installed through the slide grooves, which can provide protection for the micro motors and ensure stable operation of the micro motors.

[0008] According to the anti-collision shock-absorbing cylinder of an electric vehicle, the output ends of the two micro-motors are fixedly connected to the screw rods, one end of the two screw rods are rotatably connected to the inner walls of the two slide grooves respectively, the screw rods are driven to rotate by the micro-motors, and the screw rods are used for transmission, thereby increasing the convenience of cleaning.

[0009] According to the anti-collision shock-absorbing cylinder of an electric vehicle, a slider is arranged outside the two screw rods, and one end of the two sliders extends to the outside of the slide groove. The cleaning ring is driven by the slider to increase the smoothness of movement.

[0010] According to the anti-collision shock-absorbing cylinder of an electric vehicle, the upper surfaces of the two sliders are fixedly connected to cleaning rings, and the inner surfaces of the cleaning rings are fixedly connected to cleaning cotton. The cleaning cotton is used to clean impurities on the surface of the shock-absorbing cylinder to reduce external erosion and prevent the anti-collision capability from being weakened.

[0011] According to the anti-collision shock-absorbing cylinder of an electric vehicle, the inner surface of the cleaning cotton is slidably connected to the outer surface of the shock-absorbing cylinder, and the inner diameter of the cleaning cotton is larger than the outer diameter of the shock-absorbing cylinder, so that cleaning is more comprehensive.

[0012] According to the anti-collision shock-absorbing cylinder of an electric vehicle, the outer surface of the cleaning ring is provided with a wear-resistant coating, and the outer surface of the shock-absorbing cylinder is provided with a wear-resistant coating, so as to increase the wear resistance and extend the service life.

[0013] According to the anti-collision shock-absorbing cylinder of an electric vehicle, the rollers are evenly distributed on the fixed rod, and the outer surfaces of the plurality of rollers and the plurality of fixed rods are provided with an anti-corrosion coating, which evenly bears the force, prevents the fixed rod from being broken due to excessive force locally, and ensures smooth rotation of the rollers.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. When impacted, the roller and the fixed rod can transfer part of the impact force to reduce the impact force. At the same time, the first baffle plate cooperates with the second baffle plate to squeeze the first spring, thereby buffering and reducing the impact force acting on the shock absorber.

[0016] 2. The isolation net can reduce the amount of external impurities that enter the second baffle, reduce external erosion of the roller, and prevent functional damage. When too many impurities accumulate on the surface of the isolation net, the connecting rod, sliding rod, sliding rod and second spring can be used for convenient disassembly, which is convenient for handling impurities and ensuring the function of the isolation net.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0019] Figure 1 This is a three-dimensional diagram of an anti-collision shock-absorbing cylinder for an electric vehicle according to the utility model;

[0020] Figure 2 This is an internal structure diagram of the first baffle plate and the second baffle plate of an anti-collision shock-absorbing cylinder of an electric vehicle according to the utility model;

[0021] Figure 3 This utility model is an anti-collision shock absorbing cylinder for electric vehicles Figure 1 The enlarged view of point A in the middle;

[0022] Figure 4 This utility model is an anti-collision shock absorbing cylinder for electric vehicles Figure 1 Enlarged view of point B in the middle.

[0023] Figure 5 This utility model is an anti-collision shock absorbing cylinder for electric vehicles Figure 1 Enlarged view of C in the middle.

[0024] Figure 6 The utility model is a partial cross-sectional view of the second baffle of an anti-collision shock absorbing cylinder of an electric vehicle.

[0025] In the figure: 1. shock-absorbing cylinder; 2. cleaning cotton; 3. cleaning ring; 4. slide groove; 5. first baffle; 6. second baffle; 7. roller; 8. screw rod; 9. micro motor; 10. fixing rod; 11. first spring; 12. slider; 13. isolation net; 15. connecting rod; 16. sliding rod; 17. second spring; 18. sliding rod. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-6 , the utility model embodiment provides a technical solution: an anti-collision shock-absorbing cylinder for electric vehicles, comprising: a shock-absorbing cylinder 1, two first baffles 5 are fixedly connected to the side surface of the shock-absorbing cylinder 1, and the impact force is borne by the first baffles 5, the inner walls of the two first baffles 5 are fixedly connected to multiple first springs 11, and the first springs 11 are used for buffering, the inner walls of the two first baffles 5 are slidably connected to the second baffles 6, which is convenient for squeezing the first springs 11, the sides of the two second baffles 6 are fixedly connected to one end of the multiple first springs 11, the inner walls of the two second baffles 6 are fixedly connected to two fixed rods 10, the outer parts of the multiple fixed rods 10 are rotatably connected to multiple rollers 7, and part of the impact is transferred by the rollers 7, and the multiple rollers 7 extend to the outside of the second baffles 6;

[0028] An isolation net 13 is provided between two adjacent rollers 7 to block external groceries. Multiple isolation nets 13 are arranged inside the second baffle plate 6. Slide rods 18 are fixedly connected inside the two second baffle plates 6 to limit the position of the second spring 17. Second springs 17 are sleeved on the outside of multiple slide rods 18 to fix the isolation net 13. Connecting rods 15 are fixedly connected at one end of multiple second springs 17 to fix the isolation net 13 through the connecting rod 15. The inside of multiple connecting rods 15 are respectively slidably connected to the outside of multiple slide rods 18. The sides of multiple connecting rods 15 are fixedly connected to sliding rods 16. One ends of multiple sliding rods 16 extend to the outside of the second baffle plate 6. One ends of multiple connecting rods 15 are respectively slidably connected to multiple isolation nets 13.

[0029] The side surface of the shock-absorbing cylinder 1 is fixedly connected to two slide grooves 4, and the inner bottoms of the two slide grooves 4 are fixedly connected to micro motors 9 to provide power for the cleaning ring 3 to move. The output ends of the two micro motors 9 are fixedly connected to screw rods 8, and one end of the two screw rods 8 is rotatably connected to the inner walls of the two slide grooves 4 respectively. Slide blocks 12 are provided on the outside of the two screw rods 8, and one end of the two slide blocks 12 extends to the outside of the slide groove 4. The upper surfaces of the two slide blocks 12 are fixedly connected to the cleaning ring 3. The cleaning cotton 2 is installed by using the cleaning ring 3. The inner surface of the cleaning ring 3 is fixedly connected to the cleaning cotton 2. The inner surface of the cleaning cotton 2 is slidably connected to the outer surface of the shock-absorbing cylinder 1. The inner diameter of the cleaning cotton 2 is larger than the outer diameter of the shock-absorbing cylinder 1. The outer surface of the cleaning ring 3 is provided with a wear-resistant coating, and the outer surface of the shock-absorbing cylinder 1 is provided with a wear-resistant coating. The rollers 7 are evenly distributed on the fixed rod 10 and are evenly stressed. The outer surfaces of multiple rollers 7 and multiple fixed rods 10 are provided with anti-corrosion coatings to increase durability.

[0030] Working principle: When the device is in use and is subjected to external impact, the force generated by the impact will cause the roller 7 to rotate on the fixed rod 10, thereby transferring part of the impact force and reducing the impact damage. The first baffle plate 5 will slide in the second baffle plate 6 under the force, squeezing the first spring 11, thereby performing buffering, effectively enhancing the anti-collision ability of the shock absorber cylinder 1. The isolation net 13 can reduce the entry of external impurities into the second baffle plate 6, reduce external erosion of the roller 7, and prevent functional damage. When too many impurities accumulate on the surface of the isolation net 13, the sliding rod 16 can be used to drive the connecting rod 15 to slide on the sliding rod 18, thereby disassembling the isolation net 13 to facilitate the handling of impurities. The second spring 17 can be used to automatically reset, thereby fixing the isolation net 13 to ensure the function of the isolation net 13, thereby ensuring the anti-collision ability of the shock absorber cylinder 1.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An anti-collision shock-absorbing cylinder for an electric vehicle, comprising: A shock-absorbing cylinder (1), characterized in that the side surface of the shock-absorbing cylinder (1) is fixedly connected to two first baffles (5), the inner walls of the two first baffles (5) are fixedly connected to a plurality of first springs (11), the inner walls of the two first baffles (5) are slidably connected to a second baffle (6), the side surfaces of the two second baffles (6) are fixedly connected to one end of the plurality of first springs (11), the inner walls of the two second baffles (6) are fixedly connected to two fixed rods (10), the outsides of the plurality of fixed rods (10) are rotatably connected to a plurality of rollers (7), and the plurality of rollers (7) extend to the outside of the second baffle (6); An isolation net (13) is provided between two adjacent rollers (7), and a plurality of the isolation nets (13) are provided inside the second baffle plate (6). The two second baffle plates (6) are fixedly connected inside with a sliding rod (18), and a plurality of the sliding rods (18) are sleeved with a second spring (17) outside. One end of the plurality of the second springs (17) is fixedly connected with a connecting rod (15). The interior of the plurality of connecting rods (15) is respectively slidably connected to the exterior of the plurality of sliding rods (18). The sides of the plurality of connecting rods (15) are fixedly connected with a sliding rod (16), and one end of the plurality of sliding rods (16) extends to the exterior of the second baffle plate (6). One end of the plurality of connecting rods (15) is respectively slidably connected to a plurality of isolation nets (13).

2. The anti-collision shock absorbing cylinder of an electric vehicle as claimed in claim 1, characterized in that: The side surface of the shock-absorbing cylinder (1) is fixedly connected to two slide grooves (4), and the inner bottoms of the two slide grooves (4) are fixedly connected to micro motors (9).

3. The anti-collision shock absorbing cylinder of an electric vehicle as claimed in claim 2, characterized in that: The output ends of the two micromotors (9) are fixedly connected to the screw rods (8), and one end of the two screw rods (8) is rotatably connected to the inner walls of the two slide grooves (4) respectively.

4. The anti-collision shock absorbing cylinder of an electric vehicle as claimed in claim 3, characterized in that: A slider (12) is disposed outside the two screw rods (8), and one end of the two sliders (12) extends to the outside of the slide groove (4).

5. The anti-collision shock absorbing cylinder of an electric vehicle as claimed in claim 4, characterized in that: The upper surfaces of the two sliding blocks (12) are fixedly connected to the cleaning ring (3), and the inner surfaces of the cleaning ring (3) are fixedly connected to the cleaning cotton (2).

6. The anti-collision shock absorbing cylinder of an electric vehicle as claimed in claim 5, characterized in that: The inner surface of the cleaning cotton (2) is slidably connected to the outer surface of the shock absorbing cylinder (1), and the inner diameter of the cleaning cotton (2) is greater than the outer diameter of the shock absorbing cylinder (1).

7. The anti-collision shock absorbing cylinder for electric vehicles as claimed in claim 5, characterized in that: The outer surface of the cleaning ring (3) is provided with a wear-resistant coating, and the outer surface of the shock-absorbing cylinder (1) is provided with a wear-resistant coating.

8. The anti-collision shock absorbing cylinder for electric vehicles as claimed in claim 1, characterized in that: The rollers (7) are evenly distributed on the fixing rod (10), and the outer surfaces of the plurality of rollers (7) and the plurality of fixing rods (10) are provided with an anti-corrosion coating.