CN217603242U

CN217603242U - Three-level steel plate spring of comfortable type

Info

Publication number: CN217603242U
Application number: CN202221903090.1U
Authority: CN
Inventors: 赵明辉; 张泽豪; 赵炎炎; 赵超杰; 朱红磊; 王松芳
Original assignee: Henan Hengsaier Auto Parts Co ltd
Current assignee: Henan Hengsaier Auto Parts Co ltd
Priority date: 2022-07-23
Filing date: 2022-07-23
Publication date: 2022-10-18
Anticipated expiration: 2032-07-23

Abstract

The utility model discloses a three-level leaf spring of comfortable type, including the leaf spring body, the leaf spring body is by first pair spring, second pair spring, first main spring, second main spring stack and pass first pair spring, second pair spring, first main spring and second main spring central point by central bolt and accomplish leaf spring body fixed connection, first pair spring, second pair spring, first main spring and second main spring left end portion are provided with spacing clamp, spacing clamp inside wall hugs closely first pair spring, second pair spring, first main spring and second main spring lateral wall, first main spring left and right ends portion is provided with the eye, the leaf spring bush is located the eye; in general: the utility model has the advantages of simple structure, through tertiary leaf spring design increased the travelling comfort that the car went, also can reduce the car and reach no manic sound at the operation in-process.

Description

Three-level steel plate spring of comfortable type

Technical Field

The utility model belongs to the technical field of leaf spring makes, especially, relate to a tertiary leaf spring of comfortable type.

Background

The automobile plate spring is the most traditional elastic element in an automobile suspension system, the plate spring used in the automobile industry is used for damping the automobile body, the main components of the automobile plate spring are a main spring, a lower auxiliary spring and a limit clamp, the main spring and the lower auxiliary spring are connected into a whole by a central bolt and the limit clamp, the lengths of the main spring and the lower auxiliary spring are gradually reduced in a step shape, the length of the main spring sheet on the uppermost layer is longest, two ends of the main spring sheet are bent to form a main spring eye, and the main spring eye is used for positioning and installing the automobile plate spring below the automobile body; therefore, the developed three-level leaf spring has a simple structure, improves the driving comfort of the automobile through the design of the three-level leaf spring, and has important application significance for reducing the noise-free comfort of the automobile in the running process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tertiary leaf spring of comfortable type to solve current car leaf spring main spring in the use, vice spring down and pay the spring and hug closely together the relatively poor problem of shock attenuation effect, thereby provide one kind have simple structure, increased the travelling comfort that the car went through tertiary leaf spring design, also can reduce the car and reach the tertiary leaf spring of comfortable type of no noise and have important using meaning at the operation in-process.

In order to achieve the above purpose, the utility model provides a technical scheme is:

the utility model provides a tertiary leaf spring of comfortable type, includes the leaf spring body, the leaf spring body pay spring, second by first, first main spring, second main spring stack and pass first pair spring, second by central bolt and pay spring, first main spring and second main spring central point and accomplish leaf spring body fixed connection, first pair spring, second pay spring, first main spring and second main spring left end portion and be provided with spacing clamp, first pair spring, second are paid to spring, first main spring and second main spring lateral wall to spacing clamp inside wall hug closely first pair spring, second, first main spring left and right sides both ends be provided with the eye, the leaf spring bush is located the eye.

Furthermore, the first auxiliary spring comprises a long auxiliary spring blade and a short auxiliary spring blade, and the right end parts of the long auxiliary spring blade and the short auxiliary spring blade are tightly connected by an auxiliary spring clamp.

Furthermore, the first main spring comprises a main spring upper blade, a main spring middle blade and a main spring lower blade, the left and right ends of the main spring upper blade, the main spring middle blade and the main spring lower blade are fixedly connected through a main spring hoop, and the left and right ends of the main spring upper blade are provided with a rolling lug.

Further, the second main spring includes a second main spring long leaf and a second main spring short leaf.

Furthermore, a U-shaped bracket is arranged at the lower end of the left end part of the second main spring, and the U-shaped bracket and the second main spring are fixedly connected in a welding mode.

Furthermore, the limiting clamp is provided with two end parts which are respectively a clamping groove and a buckle, a holding part is arranged outside the clamping groove, the buckle is provided with a neck and a large end, the neck is matched with the holding part, and a plane structure is formed outside the clamping groove and the buckle after the neck is matched with the holding part;

has the beneficial effects that: 1. the plate spring body is a three-level plate spring suitable for agricultural three-wheel vehicles, the plate spring is designed to meet the vehicle load requirement and adopt a variable stiffness design, the left end and the right end of a first auxiliary spring, a first main spring and a second main spring are arranged at certain intervals, the first main spring of the plate spring is of a second level, the auxiliary spring is in contact with a vehicle frame and forms the using state of the three-level plate spring with the main spring when in use, and the plate spring is in contact step by step when in use, so that the problem of uncomfortable shock absorption of the plate spring in the load using process and the braking process is solved;

2. the U-shaped bracket is additionally arranged on the lower end of the left side of the second main spring arranged on the steel plate spring body in the structural design, so that the assembly and use of a vehicle brake cable are facilitated, convenience is provided, and the requirements of attractive and firm chassis wiring harness emission are met;

3. the steel plate spring body adopts the variable cross-section design, so that the self weight of the plate spring is reduced, and the purchasing cost is reduced from the consideration of customers; in general: the utility model has the advantages of simple structure, increased the travelling comfort that the car went through tertiary leaf spring design, also can reduce the car and reach no mania sound at the operation in-process.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Reference numerals: 0. the spring comprises a steel plate spring body 1, a first auxiliary spring 2, an auxiliary spring clamp 3, a second auxiliary spring 4, a limiting clamp 5, a first main spring 50, a main spring clamp 51, a rolling lug 6, a second main spring 7, a central bolt 8, a plate spring bushing 9 and a U-shaped bracket.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

The utility model discloses a concrete implementation mode, as shown in fig. 1, the utility model provides a three-level leaf spring of comfortable type, including leaf spring body 0, leaf spring body 0 is paid by first pair spring 1, second and pays spring 3, first main spring 5, second main spring 6 and is stacked and pass first pair spring 1, second and pay spring 3, first main spring 5 and second main spring 6 central point by central bolt 7 and accomplish leaf spring body 0 fixed connection, first pair spring 1, second pair spring 3, first main spring 5 and second main spring 6 left end portion is provided with spacing clamp 4, spacing clamp 4 inside wall hugs closely first pair spring 1, second pair spring 3, first main spring 5 and second main spring 6 lateral wall, first main spring 5 about both ends be provided with the book ear 51, leaf spring bush 8 is located the book ear 51; the steel plate spring body 0 is a three-level plate spring suitable for agricultural three-wheeled vehicles, the plate spring is designed to meet the vehicle load requirement and adopt a variable stiffness design, the left end and the right end of a first auxiliary spring 1, a first main spring 5 and a second main spring 6 are arranged at certain intervals, the first main spring 5 of the plate spring is positioned in the middle of the plate spring at the second level, the auxiliary spring is in contact with a vehicle frame and forms the use state of the three-level plate spring with the main springs when in use, the plate spring is in contact step by step according to the weight of a vehicle body when in use, and the problem of uncomfortable shock absorption in the process of loading the plate spring and braking is solved through the contact among different plate springs; through set up spacing clamp 4 at first pair spring 1, second pair spring 3, first main spring 5 and second main spring 6 left end portion, spacing clamp 4 can prevent effectively that first pair spring 1, second pair spring 3, first main spring 5 and second main spring 6 from rocking about in the use.

The first auxiliary spring 1 comprises an auxiliary spring long blade and an auxiliary spring short blade, and the right end parts of the auxiliary spring long blade and the auxiliary spring short blade are tightly connected by an auxiliary spring clamp 2; the first auxiliary spring 1 is positioned at the lower end of the frame and is in direct contact with the frame, the first auxiliary spring 1 adopts a blade length and a short time, and a plate spring can meet the damping requirement in the use process and can save materials and reduce the weight of the plate spring.

First main spring 5 includes blade and main unsprung blade in main sprung blade, the main spring, blade and main sprung blade about in blade, the main sprung blade and main sprung blade about both ends by main spring clamp 50 fastening connection, main sprung blade about both ends be provided with eye 51, first main spring 5 is through designing into to constitute by three blades, three blades are fixed as integral type structure by main spring clamp 50, three blades undertake leaf spring support cushioning effect jointly, both ends are provided with eye 51 about main sprung blade simultaneously, leaf spring bush 8 is located eye 51.

The second main spring 6 includes a second main spring long blade and a second main spring short blade.

The U-shaped support 9 is arranged at the lower end of the left end of the second main spring 6, the U-shaped support 9 and the second main spring 6 are fixedly connected in a welding mode, the U-shaped support 9 is additionally arranged on the lower end of the left side of the second main spring, the purpose is to facilitate the assembly and use of a vehicle brake cable, convenience is provided, and the requirements of attractive and firm emission of a chassis wiring harness are met.

The limiting clamp 4 is provided with two end parts which are respectively a clamping groove and a buckle, a holding piece is arranged outside the clamping groove, the buckle is provided with a neck and an enlarged end, the neck is matched with the holding piece, and a plane structure is formed outside after the clamping groove is matched with the buckle; in general: the utility model has the advantages of simple structure, through tertiary leaf spring design increased the travelling comfort that the car went, also can reduce the car and reach no manic sound at the operation in-process.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a three-level leaf spring of comfortable type, includes leaf spring body (0), its characterized in that: leaf spring body (0) by pay spring (1), the second pay spring (3), first main spring (5), second main spring (6) stack and pass first pay spring (1), second pay spring (3), first main spring (5) and second main spring (6) central part by central bolt (7) and accomplish leaf spring body (0) fixed connection, first pay spring (1), second pay spring (3), first main spring (5) and second main spring (6) left end portion and be provided with spacing clamp (4), spacing clamp (4) inside wall hug closely first pay spring (1), second pay spring (3), first main spring (5) and second main spring (6) lateral wall, first main spring (5) both ends about be provided with book ear (51), leaf spring bush (8) are located book ear (51).

2. The three-stage steel plate spring as claimed in claim 1, wherein the first secondary spring (1) comprises a long secondary spring leaf and a short secondary spring leaf, and the right ends of the long secondary spring leaf and the short secondary spring leaf are fastened by a secondary spring clip (2).

3. The three-stage comfortable steel plate spring as claimed in claim 1, wherein the first main spring (5) comprises a main sprung leaf, a main sprung leaf and a main unsprung leaf, the left and right ends of the main sprung leaf, the main sprung leaf and the main unsprung leaf are fastened and connected by a main spring clamp (50), and the left and right ends of the main sprung leaf are provided with a lug (51).

4. The three-stage leaf spring as claimed in claim 1, wherein the second main spring (6) comprises a second main spring long leaf and a second main spring short leaf.

5. The three-level comfortable steel plate spring according to claim 4, wherein a U-shaped bracket (9) is arranged at the lower end of the left end of the second main spring (6), and the U-shaped bracket (9) and the second main spring (6) are fixedly connected in a welding manner.

6. The three-level steel plate spring as claimed in claim 1, wherein the limiting clamp (4) has two ends, the two ends are respectively a slot and a buckle, the outer surface of the slot has a holding member, the buckle has a neck and an enlarged end, the neck is matched with the holding member, and the outer surface of the slot forms a planar structure after being matched with the buckle.