CN210161894U

CN210161894U - Hydraulic suspension

Info

Publication number: CN210161894U
Application number: CN201920765875.9U
Authority: CN
Inventors: 黄皓; 王燕杰; 陈军镇; 何战慧; 胡学明; 尹伟
Original assignee: Jiangling Holdings Co Ltd
Current assignee: Jiangling Holdings Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-03-20
Anticipated expiration: 2029-05-24

Abstract

The utility model provides a hydraulic suspension, including shell, inner frame, suspension rubber and trailing arm, suspension rubber sets up in the shell, and is equipped with the buffering clearance between the inner wall of the top of suspension rubber and shell, and the upper portion of suspension rubber is equipped with a canning hole, and canning hole envelop is on the inner frame, and the inner frame envelop is on the trailing arm, and the top of suspension rubber is provided with a wavy buffer structure, and buffer structure includes a plurality of protruding muscle, and the height of a plurality of protruding muscle reduces from buffer structure's center toward both sides gradually, and reduces the range and keep away from more buffer structure's center is big more. The utility model provides a hydraulic pressure suspension, when the top of suspension rubber is influenced by the vibration and when colliding the casing, the protruding muscle in the middle of the buffer structure will take place the compression earlier, and the protruding muscle on both sides is progressively compressed after that, until whole compression to extreme position, just so makes the change of atress very mild in the buffering process, improves the buffering ride comfort, and the power of feeling also is mild in the car simultaneously, improves the riding comfort.

Description

Hydraulic suspension

Technical Field

The utility model relates to the technical field of automobiles, in particular to hydraulic suspension.

Background

The suspension system of the automobile is generally connected between an engine and an automobile body, and is an automobile power assembly for reducing and controlling the transmission of engine vibration and playing a role of support. The current widely used suspension comprises the traditional pure rubber suspension, air suspension and hydraulic suspension with better dynamic and static performances.

The hydraulic suspension generally comprises a shell, a supporting arm and suspension rubber (also called a rubber main spring) which is arranged in the shell and is sleeved with the supporting arm, wherein buffer hydraulic oil is injected into the suspension rubber, the shell is connected with a vehicle body, the supporting arm is connected with an engine, and when the engine vibrates, the supporting arm is driven to vibrate, the suspension rubber generates deformation, and the vibration energy is absorbed so as to reduce the vibration transmission intensity.

Among the prior art, the hydraulic mount that uses at present, its buffer structure lacks the rationality design, leads to the buffering ride comfort relatively poor, leads to driver and passenger's the travelling comfort relatively poor.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a hydraulic suspension to solve the relatively poor technical problem of current hydraulic suspension buffering ride comfort.

The utility model provides a hydraulic suspension, includes shell, inner frame, suspension rubber and trailing arm, the suspension rubber set up in the shell, just the top of suspension rubber with be equipped with the buffering clearance between the inner wall of shell, the upper portion of suspension rubber is equipped with a canning hole, canning hole envelope is in on the inner frame, the inner frame canning is on the trailing arm, the top of suspension rubber is provided with a wavy buffer structure, buffer structure includes a plurality of protruding muscle, highly the following of a plurality of protruding muscle buffer structure's center reduces towards both sides gradually, and reduces the range and keep away from more buffer structure's center is big more.

Above-mentioned hydraulic pressure suspension, top through at suspension rubber sets up wavy buffer structure, and set up the height of each protruding muscle of this buffer structure to reduce gradually from the center toward both sides, and the range of reduction keeps away from the center more big more, when the top of suspension rubber receives the vibration influence and during the collision casing, protruding muscle in the middle of the buffer structure will take place the compression earlier, protruding muscle on both sides is progressively compressed after that, until all compress to extreme position, just so make the buffering in-process atress change very gently, improve the buffering smoothness, the power of feeling also is gentle in the car simultaneously, improve car driver and passenger's riding comfort.

Furthermore, buffer structure includes two middle protruding muscle and four side protruding muscle, two the middle protruding muscle is located buffer structure's central point is last, four side protruding muscle symmetric distribution is in buffer structure's central point's both sides.

Further, the heights of the two middle ribs are equal.

Furthermore, the height difference between the middle convex rib and the side convex rib close to the middle convex rib is 0.5cm, and the height difference between the side convex rib close to the middle convex rib and the side convex rib at the outermost side is 2.5 cm.

Further, the buffer structure is symmetrical about the vertical center of the suspension rubber.

Further, the top plane of the suspension rubber is a convex cambered surface, and the buffer structure is formed on the cambered surface.

Further, a buffering hollow part is arranged at the upper part of the suspension rubber and is positioned between the bag sleeve hole and the buffering structure.

Further, the buffering fretwork is in a grid shape.

Further, the buffering fretwork is the arc, and the width reduces from the center to both sides gradually.

Further, the buffering hollow part is filled with buffering rubber, and the hardness of the buffering rubber is smaller than that of the suspension rubber.

Drawings

Fig. 1 is a perspective view of a hydraulic mount according to a first embodiment of the present invention;

fig. 2 is a front view of the hydraulic mount according to the first embodiment of the present invention;

FIG. 3 is an enlarged view taken at I in FIG. 2;

fig. 4 is a perspective view of the hydraulic mount according to the first embodiment of the present invention after the bracket arm is detached;

fig. 5 is a front view of a hydraulic mount according to a second embodiment of the present invention;

fig. 6 is a front view of a hydraulic mount according to a third embodiment of the present invention.

Description of the main element symbols:

outer casing	10	Inner frame	20
				Suspension rubber	30	Buffer gap	11
Buffer structure	31	Cambered surface	32
				Middle convex rib	31a	Side convex rib	31b
Buffering fretwork
		33	Buffer rubber	34
Bracket arm					40

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, a hydraulic mount according to a first embodiment of the present invention is shown, including a housing 10, an inner frame 20, a suspension rubber 30 and a supporting arm 40, wherein the suspension rubber 30 is fixedly disposed in the housing 10 in an interference fit manner, a buffer gap 11 is disposed between a top of the suspension rubber 30 and an inner wall of the housing 10, an upper portion of the suspension rubber 30 is provided with a covering hole, the covering hole is covered on the inner frame 20, and the inner frame 20 is covered on the supporting arm 40. Wherein:

the top of the suspension rubber 30 is provided with a wave-shaped buffer structure 31, and the buffer structure 31 is symmetrical about the vertical center of the suspension rubber 30. The buffer structure 31 includes a plurality of ribs, the height of the plurality of ribs gradually decreases from the center of the buffer structure 31 to both sides, and the decrease range is larger away from the center of the buffer structure 31.

Specifically, in the present embodiment, the top plane of the suspension rubber 30 is a convex arc surface 32, and the buffer structure 31 is formed on the arc surface 32. Buffer structure 31 includes two middle protruding muscle 31a and four side protruding muscle 31b, two middle protruding muscle 31a is located buffer structure 31's central point is last, and two middle protruding muscle 31 a's height equals. The four side ribs 31b are symmetrically distributed on two sides of the central portion of the buffer structure 31, the height difference between the middle rib 31a and the side rib 31b close to the middle rib 31a is 0.5cm, and the height difference between the side rib 31b close to the middle rib 31a and the side rib 31b on the outermost side is 2.5cm (as shown in fig. 1).

It can be understood that, in this embodiment, the number of the ribs is six, but the present invention is not limited thereto, and in other embodiments, the number of the ribs may be increased or decreased according to actual requirements.

In particular use, the housing 10 will be attached to a vehicle body and the bracket 40 will be attached to an engine. During the use, the vibration (upper and lower vibration) of engine will be transmitted to suspension rubber 30 through trailing arm 40 to pull suspension rubber 30 from top to bottom, in the middle of the process of pulling, hydraulic suspension 30 produces deformation to absorb vibration energy, and when vibrating too big, the top of suspension rubber 30 will collide casing 10, and suspension rubber 30 is compressed, and when compressing to the limit, hydraulic suspension reaches spacingly.

To sum up, the utility model discloses hydraulic pressure suspension in the middle of the above-mentioned embodiment, top through at suspension rubber 30 sets up wavy buffer structure 31, and set up to reduce gradually from the center toward both sides with each protruding muscle of this buffer structure 31, and the reduction range keeps away from the center more big more, when suspension rubber 30's top is influenced by the vibration and is collided casing 10, protruding muscle 31a in the middle of buffer structure 31 will take place the compression first, protruding muscle 31b on both sides is progressively compressed after that, until whole compression to extreme position, just so make the buffering in-process atress change very mild, improve the buffering ride comfort, the power that feels in the car is also mild simultaneously, improve car driver and passenger's riding comfort.

Referring to fig. 5, a hydraulic mount 10 according to a second embodiment of the present invention is shown, where the hydraulic mount 10 of this embodiment is different from the hydraulic mount 10 of the first embodiment in that:

in order to further improve the buffering and smoothing effects, a buffering hollow 33 is disposed on the upper portion of the suspension rubber 30, the buffering hollow 33 is located between the covering hole and the buffering structure 31, and in this embodiment, the buffering hollow 33 is in a grid shape.

It should be noted that the device provided by the second embodiment of the present invention, which implements the same principle and produces some technical effects as the first embodiment, can refer to the corresponding contents in the first embodiment for the sake of brief description, where this embodiment is not mentioned.

Referring to fig. 6, a hydraulic mount according to a third embodiment of the present invention is shown, wherein the hydraulic mount in this embodiment is different from the hydraulic mount in the first embodiment in that:

in order to further improve the buffering and smoothing effects, the upper portion of the suspension rubber 30 is provided with a buffering hollow 33, the buffering hollow 33 is located between the covering hole and the buffering structure 31, in this embodiment, the buffering hollow 33 is arc-shaped, the width gradually decreases from the center to both sides, the buffering hollow 31 is filled with the buffer rubber 34, and the hardness of the buffer rubber 34 is smaller than that of the suspension rubber 30.

It should be noted that the third embodiment of the present invention provides a device, which has the same implementation principle and produces some technical effects as the first embodiment, and for the sake of brief description, the corresponding contents in the first embodiment can be referred to where this embodiment is not mentioned.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a hydraulic suspension, includes shell, inner frame, suspension rubber and trailing arm, its characterized in that, suspension rubber set up in the shell, just the top of suspension rubber with be equipped with the buffering clearance between the inner wall of shell, the upper portion of suspension rubber is equipped with a canning hole, canning hole envelope is in on the inner frame, the inner frame canning is on the trailing arm, the top of suspension rubber is provided with a wavy buffer structure, buffer structure includes a plurality of protruding muscle, highly the following of a plurality of protruding muscle buffer structure's center reduces towards both sides gradually, and reduces the range and keep away from more buffer structure's center is big more.

2. The hydraulic mount of claim 1, wherein the cushion structure includes two middle ribs and four side ribs, the two middle ribs are located at a central portion of the cushion structure, and the four side ribs are symmetrically distributed at two sides of the central portion of the cushion structure.

3. The hydraulic mount of claim 2, wherein the two intermediate beads are equal in height.

4. The hydraulic mount of claim 3, wherein the height difference between the middle bead and the side bead adjacent to the middle bead is 0.5cm, and the height difference between the side bead adjacent to the middle bead and the outermost side bead is 2.5 cm.

5. The hydraulic mount of any of claims 1-4 wherein the dampening structure is symmetrical about the vertical center of the mount rubber.

6. The hydraulic mount of claim 1, wherein the top plane of the mount rubber is a convex arc surface on which the buffer structure is formed.

7. The hydraulic mount of claim 1, wherein a buffer hollow is disposed at an upper portion of the mount rubber, and the buffer hollow is located between the sheathing hole and the buffer structure.

8. The hydraulic suspension of claim 7, wherein the buffer cutouts are in the form of a grid.

9. The hydraulic mount of claim 7, wherein the buffer cutouts are arcuate and gradually decrease in width from the center to the sides.

10. The hydraulic suspension of claim 9, wherein the buffer cavities are filled with buffer rubber, and the hardness of the buffer rubber is less than that of the suspension rubber.