CN219035406U

CN219035406U - High-strength automobile leaf spring

Info

Publication number: CN219035406U
Application number: CN202222568007.6U
Authority: CN
Inventors: 赵子豪; 赵井勇; 马云洪; 马卫东
Original assignee: Langfang Jingcheng Leaf Spring Co ltd
Current assignee: Langfang Jingcheng Leaf Spring Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-05-16
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a high-strength automobile leaf spring, which comprises a leaf spring body, wherein the leaf spring body comprises a plurality of reeds and a central bolt, the reeds are sequentially overlapped and fixed through the central bolt, a clamp for fixing the reeds is arranged on the leaf spring body, and a buffer layer and a pressure sensor are arranged between every two reeds; the buffer layer comprises an elastic shell, an elastic layer and a lubricating layer are arranged inside the elastic shell, the elastic layer is arranged in the middle of the elastic shell, and the lubricating layer is arranged at the upper end and the lower end of the elastic shell. The high-strength automobile leaf spring with the structure can solve the problem that the leaf springs are broken due to strong friction among the leaf springs of the traditional automobile leaf spring.

Description

High-strength automobile leaf spring

Technical Field

The utility model relates to the technical field of leaf springs, in particular to a high-strength automobile leaf spring.

Background

Leaf springs for automobiles are a very important part of automobiles. The leaf spring is composed of a plurality of steel sheets with elasticity, uniform width and thickness and different lengths. The vehicle has the functions of connecting the vehicle frame and the vehicle axle in a hanging mode, exposing the vehicle frame and the vehicle axle, bearing the load impact of wheels on the vehicle frame, reducing the severe vibration of the vehicle body, and keeping the running stability of the vehicle and the adaptability to different road conditions.

The traditional automobile leaf spring forms stretching movement when bearing load impact, and strong friction is generated between the reed and the reed, so that the surface of the reed is pulled, the fatigue life of the reed is shortened, and the reed is broken.

Disclosure of Invention

The utility model aims to provide a high-strength automobile leaf spring, which solves the problem that the leaf springs are broken due to strong friction among the leaf springs of the traditional automobile leaf spring.

In order to achieve the above purpose, the utility model provides a high-strength automobile leaf spring, which comprises a leaf spring body, wherein the leaf spring body comprises a plurality of leaf springs and a central bolt, the leaf springs are sequentially overlapped and fixed through the central bolt, a clamp for fixing the leaf springs is arranged on the leaf spring body, and a buffer layer and a pressure sensor are arranged between every two leaf springs; the buffer layer comprises an elastic shell, an elastic layer and a lubricating layer are arranged inside the elastic shell, the elastic layer is arranged in the middle of the elastic shell, and the lubricating layer is arranged at the upper end and the lower end of the elastic shell.

Preferably, the clamp is U-shaped, the top end of the clamp is provided with a locking bolt, and the bottom end of the clamp is provided with a fixing bolt for locking the clamp and the leaf spring body.

Preferably, the two ends of the uppermost reed of the leaf spring body are coiled with the coiled lugs.

Preferably, the elastic layer is internally provided with a spring for weakening vibration, the lubricating layer is internally provided with a plurality of mutually communicated air bags, and the air bags are internally provided with a sponge for storing lubricating oil.

Preferably, the elastic shell is provided with through holes for injecting lubricating oil, the air bag is provided with injection holes for injecting lubricating oil, and the through holes on the elastic shell correspond to the injection holes one by one.

Preferably, the elastic shell is provided with an oil outlet, the air bag is connected with the oil outlet through the oil outlet, and the oil outlet is inserted in the oil outlet and fixedly connected with the oil outlet.

Therefore, when the reeds of the leaf springs are mutually extruded and rubbed, the elastic shell deforms to extrude the air bag, lubricating oil absorbed by the sponge in the air bag flows between the buffer layer and the reeds through the oil outlet, the lubricating oil plays a role in lubricating the reeds, damage caused by excessive friction of the reeds is prevented, the strength of the leaf springs is enhanced, and the service life of the leaf springs is prolonged. The spring layer plays a role in buffering, and the spring can weaken vibration of the leaf spring in use. The pressure sensor can detect the pressure between the reeds.

The technical scheme of the utility model is further described in detail through the drawings and the embodiments.

Drawings

FIG. 1 is a front view of an embodiment of a high strength automotive leaf spring of the present utility model;

FIG. 2 is a side view of an embodiment of a high strength automotive leaf spring of the present utility model;

FIG. 3 is a schematic view of a cushioning layer structure of an embodiment of a high strength automotive leaf spring according to the present utility model;

FIG. 4 is a schematic view of a clip structure of an embodiment of a high strength automotive leaf spring according to the present utility model.

Reference numerals

1. A leaf spring body; 2. a reed; 3. a center bolt; 4. clamping hoops; 5. a buffer layer; 6. a pressure sensor; 7. an elastic housing; 8. an elastic layer; 9. a lubrication layer; 10. a spring; 11. an air bag; 12. an injection hole; 13. an oil outlet hole; 14. an oil outlet pipe; 15. a winding lug; 16. a locking bolt; 17. and (5) fixing bolts.

Detailed Description

The technical scheme of the utility model is further described below through the attached drawings and the embodiments.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Examples

FIG. 1 is a front view of an embodiment of a high strength automotive leaf spring of the present utility model; FIG. 2 is a side view of an embodiment of a high strength automotive leaf spring of the present utility model; FIG. 3 is a schematic view of a cushioning layer structure of an embodiment of a high strength automotive leaf spring according to the present utility model; FIG. 4 is a schematic view of a clip structure of an embodiment of a high strength automotive leaf spring according to the present utility model.

As shown in the figure, the high-strength automobile leaf spring comprises a leaf spring body 1, wherein the leaf spring body 1 comprises a plurality of leaf springs 2 and a central bolt 3, and the leaf springs 2 are sequentially overlapped and fixed through the central bolt 3. The leaf spring body 1 is provided with a clip 4 for fixing the reed 2. The clamp 4 is arranged in a U shape, the top end of the clamp 4 is provided with a locking bolt 16, and the bottom end of the clamp 4 is provided with a fixing bolt 17. The clamp 4 is fastened to the side surface of the leaf spring body 1 by the lock bolt 16, and the clamp 4 is locked to the bottom end of the leaf spring body 1 by the fixing bolt 17. The two ends of the uppermost reed 2 of the leaf spring body 1 are coiled with the coiled lugs 15.

A buffer layer 5 is arranged between every two reeds 2. The buffer layer 5 comprises an elastic shell 7, and an elastic layer 8 and a lubricating layer 9 are arranged inside the elastic shell 7. The elastic layer 8 is arranged in the middle of the elastic shell 7, and a spring 10 for weakening vibration is arranged in the elastic layer 8. The lubricating layer 9 sets up in the upper end and the lower extreme of elasticity shell 7, is provided with the gasbag 11 of a plurality of intercommunication each other in the lubricating layer 9, and the inside of gasbag 11 is provided with the sponge that is used for storing lubricating oil. The elastic shell 7 is provided with through holes for injecting lubricating oil, the air bag 11 is provided with injection holes 12 for injecting lubricating oil, and the through holes on the elastic shell 7 are in one-to-one correspondence with the injection holes 12. The sponge inside the balloon 11 can be injected with lubricating oil through the injection hole 12. The elastic shell 7 is provided with an oil outlet 13, the air bag 11 is connected with the oil outlet 13 through an oil outlet 14, and the oil outlet 14 is inserted in the oil outlet 13. When the air bag 11 is extruded, lubricating oil is extruded from the sponge, and the lubricating oil flows out of the oil outlet hole 13 through the oil outlet pipe 14. A pressure sensor 6 is arranged between every two reeds 2, the pressure between the reeds 2 is monitored through the pressure sensor 6, an alarm is arranged on an automobile provided with the leaf spring body 1, and when the pressure is too high, the alarm gives an alarm to prompt an automobile owner. The automobile is provided with a controller, and the pressure sensor 6, the alarm and the controller are electrically connected according to the existing structure. The pressure sensor 6, the alarm and the controller all adopt the existing structure.

When the spring leaf spring is used, when the leaf spring bodies 1 mutually squeeze and rub, the air bags 11 in the elastic shell 7 squeeze out lubricating oil through the oil outlet holes 13, the lubricating oil plays a role in lubricating the spring leaf 2, and damage caused by excessive friction of the spring leaf 2 is prevented.

Therefore, the high-strength automobile leaf spring with the structure can solve the problem that the leaf springs are broken due to strong friction among the leaf springs of the traditional automobile leaf spring.

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 it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.

Claims

1. A high strength car leaf spring, its characterized in that: the spring plate comprises a spring plate body, wherein the spring plate body comprises a plurality of reeds and a central bolt, the reeds are sequentially overlapped and fixed through the central bolt, a clamp for fixing the reeds is arranged on the spring plate body, and a buffer layer and a pressure sensor are arranged between every two reeds; the buffer layer comprises an elastic shell, an elastic layer and a lubricating layer are arranged inside the elastic shell, the elastic layer is arranged in the middle of the elastic shell, and the lubricating layer is arranged at the upper end and the lower end of the elastic shell.

2. The high strength automotive leaf spring of claim 1 wherein: the clamp is set to the U-shaped, and the clamp top is provided with the lock bolt, and the clamp bottom is provided with the fixing bolt that is used for locking clamp and leaf spring body.

3. The high strength automotive leaf spring of claim 1 wherein: the two ends of the uppermost reed of the leaf spring body are coiled with the coiled lugs.

4. The high strength automotive leaf spring of claim 1 wherein: the elastic layer is internally provided with a spring for weakening vibration, the lubricating layer is internally provided with a plurality of mutually communicated air bags, and the air bags are internally provided with a sponge for storing lubricating oil.

5. The high strength automotive leaf spring of claim 4 wherein: the elastic shell is provided with through holes for injecting lubricating oil, the air bag is provided with injection holes for injecting lubricating oil, and the through holes on the elastic shell correspond to the injection holes one by one.

6. The high strength automotive leaf spring of claim 1 wherein: the elastic shell is provided with an oil outlet, and the air bag is connected with the oil outlet through the oil outlet.