CN219035425U - Shock absorber special for electric tricycle - Google Patents

Shock absorber special for electric tricycle Download PDF

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Publication number
CN219035425U
CN219035425U CN202320141385.8U CN202320141385U CN219035425U CN 219035425 U CN219035425 U CN 219035425U CN 202320141385 U CN202320141385 U CN 202320141385U CN 219035425 U CN219035425 U CN 219035425U
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China
Prior art keywords
shock absorber
yoke plate
electric tricycle
special
spring
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CN202320141385.8U
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Chinese (zh)
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王传明
刘海森
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Rizhao Runzeng Machinery Co ltd
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Rizhao Runzeng Machinery Co ltd
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Abstract

The utility model provides a special shock absorber for an electric tricycle, which relates to the technical field of shock absorbers and comprises a lower yoke plate and an upper yoke plate, wherein an oil pressure shock absorber and a lower yoke plate spring seat are arranged on the lower yoke plate; the device is used for placing the supporting part of the oil pressure damper in the middle and providing guidance and support; the multi-pitch damping springs are arranged at the front section, and the multi-pitch damping springs provide spring stiffness with different loads along with the heave motion of the vehicle, so that a damping effect is achieved; the damper is placed at the rear end, overcomes the telescopic force value of the multi-section distance damping spring, and enables the damper to be released slowly, so that the comfort of the vehicle is ensured.

Description

Shock absorber special for electric tricycle
Technical Field
The utility model relates to the technical field of shock absorbers, in particular to a shock absorber special for an electric tricycle.
Background
The shock absorber is used for inhibiting the shock of the spring during rebound after shock absorption and the impact from the road surface. The damping device is widely used for automobiles, and is used for accelerating the damping of the vibration of the frames and the automobile bodies so as to improve the running smoothness of the automobiles. While the shock absorbing spring can filter the shock of road surface when passing over uneven road surface, the spring itself can reciprocate, and the shock absorber is used to restrain the spring from jumping.
The existing electric tricycle shock absorber mainly comprises hydraulic pressure and inflation, the two types of the shock absorber are the double-cylinder oil pressure shock absorber which is the most widely used at present, the shock absorber mainly comprises an oil pressure shock absorber, springs, high-strength columns and the like as shown in an attached drawing 2 of the specification, the electric motor gradually replaces a fuel vehicle along with the fact that the electric tricycle is changed from small to large, the electric motor is light, the comfort requirement is higher than that of the agricultural tricycle, the vehicle comfort is reduced due to the fact that the spring release speed is too high in the shock absorption process of the electric tricycle, and therefore the traditional double-cylinder oil pressure shock absorber needs to be improved.
Disclosure of Invention
Aiming at the problem that the vehicle comfort is reduced due to the fact that the spring release speed is too high in the shock absorption process of the electric tricycle in the prior art, the utility model provides the special shock absorber for the electric tricycle, and the problem can be avoided.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a special shock absorber of electric tricycle, includes yoke plate and last yoke plate down, is provided with oil damper and lower yoke plate spring holder on the yoke plate down, and oil damper is connected with the buffer post, and the buffer post is connected with the connecting rod that sets up on last yoke plate, is provided with the yoke plate spring holder on going up the yoke plate, is provided with damping spring between yoke plate spring holder and the lower yoke plate spring holder, is provided with the attenuator between yoke plate and the lower yoke plate.
The device designs a shock absorber special for the three-independent, smart-connection, mutual noninterference and independent action electric tricycle; the damper overcomes the telescopic force value of the multisection damping spring while effectively damping, so that the damping spring is slowly released, and the comfort of a vehicle is ensured.
Further, the damping spring adopts a multi-pitch damping spring.
The adoption of the multi-pitch damping spring has high strength and long service life.
Further, the oil hydraulic damper is welded on the lower yoke plate.
The oil pressure damper is fixed on the lower yoke plate in a good effect by adopting a welding mode.
Further, the buffer column adopts thermal refining, and the hardness range is HRC25-35.
The buffer column has high strength and good plasticity and toughness due to the thermal refining.
Further, the surface roughness of the buffer post ranges from Ra0.5 to Ra0.9.
Further, the spring stiffness of the multi-pitch damping spring is 24.53N/mm, the multi-pitch damping spring is subjected to thermal refining, and the hardness range is HRC43-48.
The multi-pitch damping spring has high strength, good plasticity and toughness and good comprehensive mechanical property due to the thermal refining.
Further, the surface of the buffer column is plated with a chromium coating.
The chromium coating may improve oxidation resistance and corrosion resistance of the bumper post.
Further, the surface of the oil pressure damper is coated with a protective film in a plastic spraying mode.
The spraying plastic further prolongs the service life of the shock absorber.
Further, a connecting plate is further arranged on the lower connecting plate; the connecting plate is convenient for the blanking plate to be connected with other parts.
Further, the surfaces of the multi-section distance damping springs are processed in a shot peening and setting treatment mode.
Shot peening and setting can increase the load carrying capacity of the spring.
Compared with the prior art, the utility model has the beneficial effects that:
the device designs a shock absorber special for the three-independent, smart-connection, mutual noninterference and independent action electric tricycle; compared with the original double-cylinder oil pressure shock absorber, the special shock absorber for the electric tricycle overcomes the telescopic force value of the multi-pitch shock absorbing spring by using the damper, so that the special shock absorber is slowly released, the comfort of the vehicle is ensured, the strength and the service life of the spring are greatly improved by the multi-pitch shock absorbing spring, the comfort is good, the manufacturing cost is low, and the supporting strength is good.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a prior art dual-tube hydraulic shock absorber;
reference numerals:
1. a lower yoke plate; 2. an upper yoke plate; 3. an oil pressure damper; 4. a buffer column; 5. a connecting rod; 6. an upper yoke plate spring seat; 7. a lower yoke plate spring seat; 8. a multi-pitch damper spring; 9. a damper; 10. and (5) connecting a plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and 2, the special shock absorber for the electric tricycle comprises a lower yoke plate 1 and an upper yoke plate 2, wherein an oil pressure shock absorber 3, a lower yoke plate spring seat 7 and a connecting plate 10 are arranged on the lower yoke plate 1, the oil pressure shock absorber 3 is further thinned and welded on the lower yoke plate 1, the welding fixing effect is firm, the oil pressure shock absorber 3 is connected with a buffer column 4, the buffer column 4 is connected with a connecting rod 5 arranged on the upper yoke plate 2, an upper yoke plate spring seat 6 is arranged on the upper yoke plate 2, a multi-section distance shock absorption spring is arranged between the upper yoke plate spring seat 6 and the lower yoke plate spring seat 7, the strength of the multi-section distance shock absorption spring is large, the service life is long, and a damper 9 is arranged between the upper yoke plate 2 and the lower yoke plate 1; the special shock absorber for the electric tricycle provided by the utility model has the advantages that the supporting part of the hydraulic shock absorber 3 is arranged in the middle, so that the guiding and supporting are provided; the multi-pitch damping spring 8 is arranged at the front section, and the multi-pitch damping spring 8 provides spring stiffness with different loads along with the heave motion of the vehicle, so that the damping effect is achieved; the damper 9 is placed at the rear end, the telescopic force value of the multi-pitch damping spring 8 is overcome, the damper is slowly released, the comfort of a vehicle is guaranteed, the hydraulic damper 3 and the damper 9 are not described in the prior art principle, the hydraulic damper 3 comprises a damping cylinder, a piston rod, a hydraulic sealing ring, a dust ring and other structures, and the hydraulic damper 3 is matched with the multi-pitch damping spring to achieve a damping effect.
The working effect of the utility model is as follows:
the device designs a shock absorber special for the three-independent, smart-connection, mutual noninterference and independent action electric tricycle; compared with the original double-cylinder oil pressure shock absorber, the special shock absorber for the electric tricycle overcomes the telescopic force value of the multi-pitch shock absorbing spring by using the damper, so that the special shock absorber is slowly released, the comfort of the vehicle is ensured, the strength and the service life of the spring are greatly improved by the multi-pitch shock absorbing spring, the comfort is good, the manufacturing cost is low, and the supporting strength is good.
In order to guarantee the efficient use of electric tricycle bumper shock absorber, wherein carry out certain requirement to the parameter:
1. the buffer column 4 adopts quenching and tempering, the hardness range is HRC25-35, and the surface roughness range of the buffer column 4 is Ra0.5-Ra0.9.
2. The multi-pitch damping spring adopts quenching and tempering, the hardness range is HRC43-48, the comprehensive mechanical property is good, the surface of the multi-pitch damping spring adopts shot peening strengthening and setting treatment to process, and the bearing capacity of the spring can be improved;
3. after 30 ten thousand double-acting double-frequency tests, the vibration damper has no abnormal phenomena of oil leakage, obvious noise and the like, and the temperature is less than or equal to 80 ℃;
4. the oil injection amount of the shock absorber is 100+/-10 ml; the effective working stroke is 120+/-3 mm;
5. the surface of the buffer column 4 is plated with a chromium coating, and the surface of a damping cylinder of the hydraulic damper 3 is coated with a layer of protective film in a plastic spraying mode; the service lives of the buffer column 4 and the oil pressure damper 3 are further prolonged;
6. a power test, when v=0.52 m/s, requires pf=400±40N, py=200±20N;
7. the multi-pitch damper spring 8 is used, the spring rate is k=24.53N/mm, the compression is equal to or higher than 45mm, and k=42.94N/mm.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.

Claims (10)

1. The utility model provides a special shock absorber of electric tricycle, a serial communication port, including lower yoke plate (1) and last yoke plate (2), be provided with oil pressure bumper shock absorber (3) and lower yoke plate spring holder (7) on lower yoke plate (1), oil pressure bumper shock absorber is connected with buffer post (4), buffer post (4) are connected with connecting rod (5) that set up on upper yoke plate (2), are provided with on upper yoke plate (2) and go up yoke plate spring holder (6), go up and be provided with damping spring between yoke plate spring holder (6) and lower yoke plate spring holder (7), go up and be provided with attenuator (9) between yoke plate (2) and lower yoke plate (1).
2. The shock absorber special for the electric tricycle according to claim 1, wherein the shock absorbing spring is a multi-pitch shock absorbing spring (8).
3. The shock absorber special for the electric tricycle according to claim 1, wherein the oil pressure shock absorber (3) is welded on the lower connecting plate (1).
4. The shock absorber special for the electric tricycle according to claim 1, wherein the buffer column (4) is subjected to thermal refining, and the hardness range is HRC25-35.
5. The shock absorber special for the electric tricycle according to claim 1, wherein the surface roughness range of the buffer post (4) is Ra0.5-Ra0.9.
6. The special shock absorber for the electric tricycle according to claim 2, wherein the spring stiffness of the multi-pitch damping spring (8) is 24.53N/mm, the multi-pitch damping spring (8) is subjected to thermal refining, and the hardness range is HRC43-48.
7. The shock absorber special for the electric tricycle according to claim 1, wherein the surface of the buffer column (4) is plated with a chromium coating.
8. The shock absorber special for the electric tricycle according to claim 1, wherein the surface of the oil pressure shock absorber (3) is coated with a protective film in a plastic spraying mode.
9. The shock absorber special for the electric tricycle according to claim 1, wherein the lower connecting plate is further provided with a connecting plate (10).
10. The shock absorber special for the electric tricycle according to claim 2, wherein the surface of the multi-pitch damping spring (8) is processed in a shot peening and setting treatment mode.
CN202320141385.8U 2023-01-18 2023-01-18 Shock absorber special for electric tricycle Active CN219035425U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320141385.8U CN219035425U (en) 2023-01-18 2023-01-18 Shock absorber special for electric tricycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320141385.8U CN219035425U (en) 2023-01-18 2023-01-18 Shock absorber special for electric tricycle

Publications (1)

Publication Number Publication Date
CN219035425U true CN219035425U (en) 2023-05-16

Family

ID=86290111

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320141385.8U Active CN219035425U (en) 2023-01-18 2023-01-18 Shock absorber special for electric tricycle

Country Status (1)

Country Link
CN (1) CN219035425U (en)

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