CN210416124U

CN210416124U - Single-leaf spring multifunctional combined type air suspension guide arm assembly

Info

Publication number: CN210416124U
Application number: CN201921421036.1U
Authority: CN
Inventors: 郭祥龙; 张文举; 尹永宁
Original assignee: Shandong Mandipu Machinery Co Ltd
Current assignee: Shandong Mandipu Machinery Co Ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-04-28
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses a single-leaf spring multifunctional combined type air suspension guide arm assembly, which is characterized by comprising a special-shaped guide arm and a rubber bushing arranged on the special-shaped guide arm, wherein the special-shaped guide arm comprises an upwarp section and a Z-shaped section, one end of the upwarp section is provided with a coil lug, the other end of the upwarp section is transited to the Z-shaped section, the rubber bushing is arranged in the coil lug in interference fit with the coil lug of the special-shaped guide arm, the rubber bushing comprises an outer framework and an inner framework vulcanized body, the inner framework vulcanized body comprises an inner framework and rubber, the rubber is arranged between the inner framework and the outer framework, the inner framework is of a hollow structure, the outer side of the inner framework is provided with a drum-shaped bulge, the inner side of the rubber is provided with a groove corresponding to the drum-shaped bulge, the outer side of the rubber is provided, the inner side of the outer framework is provided with a clamping groove corresponding to the annular step, so that the problem of single structural function of the guide arm is solved.

Description

Single-leaf spring multifunctional combined type air suspension guide arm assembly

Technical Field

The utility model relates to a guiding arm assembly, concretely relates to multi-functional combined type air suspension guiding arm assembly of single leaf spring.

Background

In recent years, the air suspension guide arm assembly of the automobile is used as an elastic element and a guide element, and plays a role in bearing and guiding.

At present, the air suspension guide arm is divided into a single-leaf spring and a double-leaf spring guide arm, and the double-leaf spring guide arm is easy to break due to the existence of a through hole, so that the existing double-leaf spring guide arm is gradually replaced by a single-leaf spring.

The existing single-leaf spring composite air suspension guide arm assembly is single in structural function, and along with the improvement of automobile functions, various connecting devices such as a lifting mechanism and a transverse pull rod are required to be additionally arranged on a plurality of structures matched with a suspension, so that the requirement on the space of a vehicle chassis suspension is improved, and the weight and the cost of the whole automobile are increased. Even if some functionality is not possible because of the compact chassis space.

Therefore, the prior art is yet to be further studied.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multi-functional combined type air suspension guide arm assembly of monolithic spring can install lifting mechanism and transverse stabilization mechanism additional under the prerequisite of saving chassis space to lighten whole car weight, solved the problem of air suspension guide arm structural function singleness.

In order to solve the above problems, the utility model adopts the following technical scheme: a single-leaf spring multifunctional composite air suspension guide arm assembly comprises a special-shaped guide arm and a rubber bushing arranged on the special-shaped guide arm, the special-shaped guide arm comprises an upwarping section and a Z-shaped section, one end of the upwarping section is provided with a rolling lug, the other end of the upwarping section is transited to the Z-shaped section, the rubber bushing is arranged in the rolling lug and is arranged in interference fit with the rolling lug of the special-shaped guide arm, the rubber bushing comprises an outer framework and an inner framework vulcanized body, the inner framework vulcanized body comprises an inner framework and rubber, the rubber is arranged between the inner framework and the outer framework, the inner framework is of a hollow structure, drum-shaped bulges are arranged on the outer side of the inner framework, the rubber inner side and the drum-shaped bulge are correspondingly provided with grooves, the outer side of the rubber inner side is provided with annular steps, the outer framework comprises an outer framework body and flanging parts arranged at two ends of the outer framework body, and the inner side of the outer framework is correspondingly provided with clamping grooves corresponding to the annular steps.

One end of the upwarping section, which is close to the rolling lug, is provided with a first mounting hole, the vertical part of the Z-shaped section is provided with a second mounting hole, and the tail end of the Z-shaped section is provided with a plurality of third mounting holes.

The rubber both ends set up the buffering face, the buffering face is including extending face, inclined plane and fillet transition face, inclined plane one end links to each other with the extension face, and the other end links to each other with the transition face, the extension face extend to with inner frame terminal surface department.

The outer framework is of a hollow structure, one end of the flanging part is connected with the outer framework body, the other end of the flanging part is provided with a chamfer, and the chamfer is set to be 13-18 degrees.

The bulge height is 1/4-1/5 of the rubber thickness and the bulge length is 1/2-2/3 of the rubber length.

The outer framework and the inner framework vulcanized body are installed in an interference fit mode.

The utility model has the advantages that:

1. the utility model discloses a dysmorphism guiding arm and rubber bush, dysmorphism guiding arm are including upwarping section and Z shape section, the one end that upwarps the section and is close to the book ear sets up first mounting hole, can install through first mounting hole and lift the gasbag and directly perhaps the buffer block, make fixed bolster liftoff height improve, have improved the suspension trafficability characteristic, set up the second mounting hole and can install the horizontal stability pull rod additional, save upper portion frame space to alleviate whole car weight, more various for traditionally single leaf spring guiding arm function.

2. The connection of the inner framework vulcanized body and the outer framework of the utility model is pressed in by interference fit, which increases the radial rigidity of the rubber bushing, and simultaneously improves the torsion angle of the rubber bushing because the outer framework is not vulcanized; and radial and axial atress of rubber bush are the extrusion force, avoid rubber to receive the pulling force, have improved the life of rubber sleeve.

3. Exoskeleton edge turn-ups receives the extrusion in-process at rubber, prevents that rubber from extruding out from exoskeleton.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a schematic view of a rubber bushing;

FIG. 3 is a schematic view of the inner carcass vulcanizate construction;

FIG. 4 is an enlarged schematic view of A in FIG. 3;

FIG. 5 is an enlarged schematic view of B of FIG. 2;

fig. 6 is a schematic structural view of the outer frame of the present invention before flanging.

In the figure:

1-upwarping section, 101-first mounting hole, 2-Z-shaped section, 201-second mounting hole, 202-third mounting hole, 3-rolling lug, 100-rubber bushing, 4-outer framework, 401-outer framework body, 411-chamfer, 402-flanging part, 403-clamping groove, 5-inner framework, 501-drum-shaped protrusion, 502-inner framework two end faces, 6-rubber, 601-annular step, 602-groove, 603-buffer face, 631-extension face, 632-inclined face and 633-fillet transition face.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the following explains the present solution by way of specific embodiments and with reference to the accompanying drawings.

As shown in fig. 1-6, a multi-functional combined type air suspension guide arm assembly of monolithic spring, includes special-shaped guide arm and sets up rubber bush 100 on special-shaped guide arm, special-shaped guide arm includes upwarp section 1 and Z shape section 2, upwarp 1 one end of section and is equipped with book ear 3, and the other end passes through to Z shape section 2, rubber bush installs in the book ear, rubber bush 100 and the 3 interference fit installations of book ear of special-shaped guide arm.

One end of the upwarp section 1 close to the rolling lug 3 is provided with a first mounting hole 101, the vertical part of the Z-shaped section 2 is provided with a second mounting hole 201, and the tail end of the Z-shaped section 2 is provided with a plurality of third mounting holes 202.

Specifically, the dysmorphism guiding arm links to each other with lifting the gasbag through first mounting hole 101, the dysmorphism guiding arm links to each other with bearing the gasbag through third mounting hole 202, installs horizontal stabilizing mean on the second mounting hole 201, for traditional guiding arm, directly is connected and bears the gasbag and link with lifting the gasbag, and is more various at the function.

The rubber bushing comprises an outer framework 4 and an inner framework vulcanization body, the inner framework vulcanization body comprises an inner framework 5 and rubber 6, the rubber 6 is arranged between the inner framework 5 and the outer framework 4, the inner framework 5 is of a hollow structure, and a drum-shaped bulge 501 is arranged on the outer side of the inner framework 5.

Specifically, a drum-shaped protrusion 501 is provided to increase the area for vulcanization with rubber.

The inner side of the rubber 6 is provided with a groove 602 corresponding to the drum-shaped protrusion 501, the outer side of the rubber 6 is provided with an annular step 601, the outer framework 4 comprises an outer framework body 401 and flanging parts 402 arranged at two ends of the outer framework body 401, and the inner side of the outer framework body 401 is provided with a clamping groove 403 corresponding to the annular step 601. Specifically, the annular step 601 is provided to improve rigidity and to correspond to the clamping groove 403 during press fitting, facilitating press fitting.

Specifically, the inner frame vulcanization body is formed by vulcanizing the inner frame 5 and the rubber 6, the outer frame 4 and the inner frame vulcanization body are installed in an interference fit mode, the outer frame 4 is processed into the downward flanging part 402 in a spinning processing mode, the radial rigidity of the rubber bushing is increased by the structure, the radial stress and the axial stress of the rubber 6 are extrusion forces, the rubber 6 is prevented from being pulled, and the service life of the rubber 6 is prolonged.

Rubber both ends set up buffering face 603, buffering face 603 is including extending face 631, inclined plane 632 and fillet transition face 633, inclined plane 632 one end links to each other with extending face 631, and the other end links to each other with transition face 633, extend face 631 extend to with inner frame terminal surface 502 department, specifically, the side design is inclined plane 632 and fillet transition face 633, the purpose is simple to operate.

The outer framework 4 is of a hollow structure, one end of the flanging part 402 is connected with the outer framework body 401, the other end of the flanging part is provided with a chamfer 411, and the chamfer 411 is set to be 13-18 degrees.

The height of the drum-shaped projection 501 is 1/4-1/5 of the thickness of the rubber 6, and the length of the drum-shaped projection 501 is 1/2-2/3 of the length of the rubber 6.

The above description is only a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations are also considered as the protection scope of the present invention.

Claims

1. A single-leaf spring multifunctional composite air suspension guide arm assembly is characterized by comprising a guide arm and a rubber bushing arranged on the guide arm, the guide arm comprises an upwarping section and a Z-shaped section, one end of the upwarping section is provided with a rolling lug, the other end of the upwarping section is transited to the Z-shaped section, the rubber bushing is arranged in the rolling lug and is arranged in interference fit with the rolling lug of the guide arm, the rubber bushing comprises an outer framework and an inner framework vulcanized body, the inner framework vulcanized body comprises an inner framework and rubber, the rubber is arranged between the inner framework and the outer framework, the inner framework is of a hollow structure, drum-shaped bulges are arranged on the outer side of the inner framework, the rubber inner side and the drum-shaped bulge are correspondingly provided with grooves, the outer side of the rubber inner side is provided with annular steps, the outer framework comprises an outer framework body and flanging parts arranged at two ends of the outer framework body, and the inner side of the outer framework is correspondingly provided with clamping grooves corresponding to the annular steps.

2. The single leaf spring multifunctional composite air suspension arm assembly of claim 1, wherein the end of the upturned section near the eye is provided with a first mounting hole, the vertical portion of the Z-shaped section is provided with a second mounting hole, and the tail end of the Z-shaped section is provided with a plurality of third mounting holes.

3. The single-leaf-spring multifunctional composite air suspension guide arm assembly as claimed in claim 1, wherein the two ends of the rubber are provided with buffering surfaces, the buffering surfaces comprise an extending surface, an inclined surface and a rounded transition surface, one end of the inclined surface is connected with the extending surface, the other end of the inclined surface is connected with the transition surface, and the extending surface extends to the end surface of the inner frame.

4. The multi-functional combined type air suspension arm assembly of a single leaf spring as claimed in claim 1, wherein the exoskeleton is a hollow structure, one end of the flanging portion is connected to the exoskeleton body, and the other end is provided with a chamfer, and the chamfer is set to 13 ° to 18 °.

5. The single leaf spring multi-function composite air suspension pilot arm assembly of claim 1, wherein the crown height is 1/4-1/5 rubber thickness and the crown length is 1/2-2/3 rubber length.

6. The single leaf spring multifunctional composite air suspension pilot arm assembly of claim 1, wherein the outer frame and the inner frame vulcanized body are mounted by interference fit.