CN215662825U

CN215662825U - Leaf spring lug structure and automotive suspension device

Info

Publication number: CN215662825U
Application number: CN202121278169.5U
Authority: CN
Inventors: 梁晓明; 赵永才; 程思晗
Original assignee: China National Heavy Duty Truck Group Jinan Power Co Ltd
Current assignee: China National Heavy Duty Truck Group Jinan Power Co Ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-01-28
Anticipated expiration: 2031-06-07

Abstract

The utility model provides a plate spring lifting lug structure and an automobile suspension device, which adopt the following scheme: the plate spring lifting lug structure comprises a lifting lug body, wherein an upper pin hole is formed in the upper part of the lifting lug body, a bushing is arranged in the upper pin hole, and the bushing is made of a non-metal self-lubricating material; the lower part of the lifting lug body is provided with an outer lower pin hole and an inner lower pin hole, the outer lower pin hole and the inner lower pin hole are coaxial, and the axis of the upper pin hole is parallel to the axis of the outer lower pin hole. The automobile suspension device comprises a plate spring lifting lug structure, a frame, a plate spring support, an upper plate spring pin, a lower plate spring pin and a plate spring, wherein the upper part of the lifting lug body is connected with the plate spring support through the upper plate spring pin and a connecting piece, the plate spring support is connected with the frame through the connecting piece, and the lower part of the lifting lug body is connected with the plate spring through the lower plate spring pin and the connecting piece. Realize the lightweight, and can not produce the oil duct and block up the problem, can also reduce bush wearing and tearing.

Description

Leaf spring lug structure and automotive suspension device

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a leaf spring lifting lug structure.

Background

The traditional plate spring lifting lug assembly for the commercial vehicle is characterized in that the plate spring lifting lug is matched with a metal bushing, and because the bushing is made of common steel materials, an oil duct needs to be added in the bushing, and lubricating grease needs to be regularly filled for lubrication, so that even if the oil duct cannot be worn, the phenomenon that the plate spring lifting lug fails due to the fact that the oil duct is blocked up after a long time and the lubricating grease cannot be filled is avoided; moreover, the existing plate spring lifting lug assembly is heavy in weight and cannot meet the requirement of light weight. This is a disadvantage of the prior art.

Therefore, in view of the current situation of the prior art, it is an urgent need to develop a leaf spring shackle structure that is light in weight, does not cause the problem of oil passage blockage, and can reduce the wear of a bush.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a plate spring lifting lug structure, which aims to solve the problems that a bush in a plate spring lifting lug assembly in the prior art is easy to wear, an oil passage is easy to block, and the plate spring lifting lug assembly is heavy in weight.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a plate spring lifting lug structure comprises a lifting lug body, wherein an upper pin hole is formed in the upper portion of the lifting lug body, a bushing is arranged in the upper pin hole, and the bushing is made of a non-metal self-lubricating material; the lower part of the lifting lug body is provided with an outer lower pin hole and an inner lower pin hole, the outer lower pin hole and the inner lower pin hole are spaced, the outer lower pin hole and the inner lower pin hole are respectively positioned on two sides below the upper pin hole, the outer lower pin hole and the inner lower pin hole are coaxial, and the axis of the upper pin hole is parallel to the axis of the outer lower pin hole. The bush is made of a non-metal self-lubricating material, lubricating grease does not need to be filled, an oil duct is omitted, and the self-lubricating effect of the non-metal bush is utilized, so that the weight is reduced, the manpower and material resources for after-sale maintenance are greatly reduced, the cost is reduced, and the reliability of the plate spring lifting lug assembly is also improved; this kind of structure setting alleviates the weight of leaf spring lug structure by a wide margin, satisfies the lightweight demand.

Furthermore, the lower part of the outer lower pin hole is provided with a fixing boss, the fixing boss is provided with a fixing hole, the axis of the fixing hole is perpendicular to the axis of the outer lower pin hole, and the bottom of the outer lower pin hole is provided with an opening. After the lower plate spring pin is penetrated, a fastener can penetrate through the fixing hole to be locked and fixed, so that the lower plate spring can be conveniently disassembled and fixed.

Further, the inner lower pin hole is of a closed structure. The pinhole no longer sets up fixed boss under the inboard, and the manufacturing of being convenient for saves the cost, because survey the inconvenient operation including, so can be in the outside down pinhole position department locking can, be convenient for installation operation, simultaneously, further lightened structure weight.

Furthermore, the lifting lug body comprises an inner wing plate and an outer wing plate, an inner connecting part is arranged at the lower part of the inner wing plate, the thickness of the inner connecting part is greater than that of the inner wing plate, and the inner lower pin hole is positioned on the inner connecting part; the lower part of the outer side wing plate is provided with an outer connecting part, the thickness of the outer connecting part is larger than that of the outer side wing plate, and the outer side lower pin hole is located in the outer connecting part.

Furthermore, the inner wing plate is provided with a reinforcing rib connected with the inner connecting part, and the outer wing plate is provided with a reinforcing rib connected with the outer connecting part. The wing plate structure has the function of reinforcing the wing plate structure, the thickness of the wing plate can be reduced for further reducing the weight, and the wing plate is prevented from being too thin and deformed by arranging the reinforcing ribs under the condition of reducing the thickness of the wing plate.

Further, the lining is made of plastic.

In addition, the utility model also provides an automobile suspension device which comprises the plate spring lifting lug structure, and further comprises a frame, a plate spring support, an upper plate spring pin, a lower plate spring pin and a plate spring, wherein the upper part of the lifting lug body is connected with the plate spring support through the upper plate spring pin and a connecting piece, the upper plate spring pin is installed in a bushing, the plate spring support is connected with the frame through the connecting piece, the lower part of the lifting lug body is connected with the plate spring through the lower plate spring pin and the connecting piece, and two ends of the lower plate spring pin are respectively installed in an outer lower pin hole and an inner lower pin hole.

Furthermore, a grease nozzle is arranged at the outer lower pin hole and is close to the outer side of the lower plate spring pin.

According to the technical scheme, the utility model has the following advantages:

the utility model provides a plate spring lifting lug structure and an automobile suspension device.A bush is made of a non-metal self-lubricating material, lubricating grease is not required to be filled, an oil duct is omitted, and the self-lubricating effect of the non-metal bush is utilized, so that the weight is reduced, the after-sale maintenance manpower and material resources are greatly reduced, the cost is reduced, and the reliability of a plate spring lifting lug assembly is also improved; this kind of structure setting alleviates the weight of leaf spring lug structure by a wide margin, satisfies the lightweight demand.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.

In the figure, the lifting lug comprises a lifting lug body 1, a lifting lug body 2, a bushing 3, an upper pin hole 4, an outer side wing plate 5, a reinforcing rib 6, an outer connecting part 7, an outer side lower pin hole 8, an opening 9, a fixing boss 10, a fixing hole 11, an inner connecting part 12, an inner side lower pin hole 13, an inner side wing plate 14, a frame 15, a plate spring support 16, an upper plate spring pin 17, a lower plate spring pin 18, a grease nozzle 19 and a plate spring.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all 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 scope of protection of this patent.

Detailed description of the preferred embodiment 1

As shown in fig. 1, the present embodiment provides a leaf spring lifting lug structure, which includes a lifting lug body 1, wherein an upper pin hole 3 is formed in an upper portion of the lifting lug body 1, a bushing 2 is arranged in the upper pin hole 3, the bushing 2 is made of a non-metal self-lubricating material, the bushing 2 is preferably made of a plastic material in the present scheme, the lifting lug body 1 is produced by adopting a casting process, the non-metal bushing 2 is pressed into the reserved upper pin hole 3, and the present invention has the advantages of simple operation, convenient installation and high reliability; the lower part of the lifting lug body 1 is provided with an outer lower pin hole 7 and an inner lower pin hole 12, the outer lower pin hole 7 and the inner lower pin hole 12 are spaced, the outer lower pin hole 7 and the inner lower pin hole 12 are respectively positioned on two sides below the upper pin hole 3, the outer lower pin hole 7 and the inner lower pin hole 12 are coaxial, and the axis of the upper pin hole 3 is parallel to the axis of the outer lower pin hole 7.

The lifting lug body 1 comprises an inner wing plate 13 and an outer wing plate 4, an inner connecting part 11 is arranged at the lower part of the inner wing plate 13, the thickness of the inner connecting part 11 is larger than that of the inner wing plate 13, and an inner lower pin hole 12 is positioned on the inner connecting part 11; the lower part of outside pterygoid lamina 4 is provided with outer joint portion 6, the thickness of outer joint portion 6 is greater than the thickness of outside pterygoid lamina 4, pinhole 7 is located outer joint portion 6 under the outside, be provided with the strengthening rib 5 of being connected with inner joint portion 11 on the inside pterygoid lamina 13, be provided with the strengthening rib 5 of being connected with outer joint portion 6 on the outside pterygoid lamina 4, play the effect of strengthening the pterygoid lamina structure, in order to further lighten weight, can reduce pterygoid lamina thickness, prevent the pterygoid lamina from producing the deformation through setting up strengthening rib 5 under the condition that reduces pterygoid lamina thickness. Further, the lower part of pinhole 7 is provided with fixed boss 9 under the outside, be provided with fixed orifices 10 on the fixed boss 9, the axis of fixed orifices 10 is perpendicular with the axis of pinhole 7 under the outside, the bottom of pinhole 7 has opening 8 under the outside, pinhole 12 is closed structure under the inboard, after passing lower spring pin 17, can pass fixed orifices 10 with the fastener and lock fixedly, do benefit to dismouting and the fixing of leaf spring 19 down, pinhole 12 no longer sets up fixed boss 9 under the inboard, the manufacturing of being convenient for, save cost, because the operation of being inconvenient in the inside survey, so can be in pinhole 7 position department locking under the outside can, the installation operation of being convenient for, simultaneously, structure weight has further been lightened.

Detailed description of the preferred embodiment 2

As shown in fig. 2, the present embodiment provides an automobile suspension apparatus, including the leaf spring shackle structure of embodiment 1, further including a vehicle frame 14, a leaf spring bracket 15, an upper leaf spring pin 16, a lower leaf spring pin 17 and a leaf spring 19, wherein the upper portion of the shackle body 1 is connected to the leaf spring bracket 15 through the upper leaf spring pin 16 and a connecting member, the upper leaf spring pin 16 is installed in the bushing 2, the leaf spring bracket 15 is connected to the vehicle frame 14 through a connecting member, the lower portion of the shackle body 1 is connected to the leaf spring 19 through the lower leaf spring pin 17 and a connecting member, and both ends of the lower leaf spring pin 17 are installed in the outer lower pin hole 7 and the inner lower pin hole 12, respectively. A grease nozzle 18 is arranged at the outer lower pin hole 7, and the grease nozzle 18 is close to the outer side of the lower plate spring pin 17.

Description of the utility model. And the terms "upper", "lower", "outside", "inside", and the like in the claims and in the drawings described above (if any) are used for distinguishing relative positions without necessarily being construed qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The plate spring lifting lug structure is characterized by comprising a lifting lug body (1), wherein an upper pin hole (3) is formed in the upper part of the lifting lug body (1), a bushing (2) is arranged in the upper pin hole (3), and the bushing (2) is made of a non-metal self-lubricating material; the lower portion of the lifting lug body (1) is provided with an outer lower pin hole (7) and an inner lower pin hole (12), the outer lower pin hole (7) and the inner lower pin hole (12) are spaced, the outer lower pin hole (7) and the inner lower pin hole (12) are respectively located on two sides of the lower portion of the upper pin hole (3), the outer lower pin hole (7) and the inner lower pin hole (12) are coaxial, and the axis of the upper pin hole (3) is parallel to the axis of the outer lower pin hole (7).

2. The plate spring shackle structure according to claim 1, wherein a fixing boss (9) is provided at a lower portion of the outer lower pin hole (7), a fixing hole (10) is provided in the fixing boss (9), an axis of the fixing hole (10) is perpendicular to an axis of the outer lower pin hole (7), and an opening (8) is provided at a bottom of the outer lower pin hole (7).

3. The leaf spring shackle structure according to claim 2, characterised in that the inner lower pin hole (12) is of closed construction.

4. The leaf spring shackle structure as defined by any one of claims 1-3, wherein the shackle body (1) comprises an inner wing plate (13) and an outer wing plate (4), wherein the lower part of the inner wing plate (13) is provided with an inner connecting part (11), the thickness of the inner connecting part (11) is greater than that of the inner wing plate (13), and the inner lower pin hole (12) is positioned on the inner connecting part (11); the lower part of outside pterygoid lamina (4) is provided with outer connecting portion (6), the thickness of outer connecting portion (6) is greater than the thickness of outside pterygoid lamina (4), pinhole (7) are located outer connecting portion (6) under the outside.

5. The plate spring shackle structure according to claim 4, characterised in that the inner wing plate (13) is provided with a reinforcement rib (5) connected to the inner connection part (11), and the outer wing plate (4) is provided with a reinforcement rib (5) connected to the outer connection part (6).

6. The leaf spring shackle structure according to claim 1, characterised in that the bushing (2) is of plastic material.

7. An automobile suspension device, comprising the plate spring shackle structure as defined in any one of claims 1 to 6, further comprising a vehicle frame (14), a plate spring bracket (15), an upper plate spring pin (16), a lower plate spring pin (17) and a plate spring (19), wherein the upper portion of the shackle body (1) is connected to the plate spring bracket (15) through the upper plate spring pin (16) and a connecting member, the upper plate spring pin (16) is installed in the bushing (2), the plate spring bracket (15) is connected to the vehicle frame (14) through the connecting member, the lower portion of the shackle body (1) is connected to the plate spring (19) through the lower plate spring pin (17) and the connecting member, and both ends of the lower plate spring pin (17) are installed in the outer lower pin hole (7) and the inner lower pin hole (12), respectively.

8. The suspension device for vehicle according to claim 7, wherein a grease nipple (18) is provided at the outer lower pin hole (7), the grease nipple (18) being located near the outer side of the lower plate spring pin (17).