CN214118824U

CN214118824U - Efficient vibration-damping anti-falling rubber bushing for automobile

Info

Publication number: CN214118824U
Application number: CN202023194187.3U
Authority: CN
Inventors: 陈龙
Original assignee: Quanzhou Yingmao Machinery Fittings Co ltd
Current assignee: Quanzhou Yingmao Machinery Fittings Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-09-03
Anticipated expiration: 2030-12-25

Abstract

The utility model provides a high-efficient damping anti-degumming bush for car, including outer tube, interior central siphon and damping portion, outer tube and interior central siphon are hollow cylinder, and the axis overlaps mutually, damping portion includes first damping layer, second damping layer and between first damping layer and a plurality of damping monomer; the damping single bodies are uniformly distributed around the central axis of the inner shaft tube, and the damping single bodies are obliquely arranged on the first damping layer and the damping layer; gaps are reserved between every two vibration reduction monomers in the horizontal direction and the vertical direction; a first reticular groove is formed in the inner side wall of the outer sleeve, and a first bulge matched with the first reticular groove is formed in the surface, bonded with the inner side wall of the outer sleeve, of the first vibration reduction layer; this novel structure is reasonable, promotes whole damping effect through the damping monomer, and first netted recess mutually supports with first arch simultaneously, and increase bonding area makes damping portion be difficult for coming unstuck with coefficient of friction, increase of service life.

Description

Efficient vibration-damping anti-falling rubber bushing for automobile

Technical Field

The utility model relates to an auto-parts field specifically is a high-efficient damping bush that comes unstuck of preventing for car.

Background

The bush plays the effect of buffering vibration isolation at mainly to suspension system, current bush makes and forms the rubber layer between outer tube and the interior axle pipe mainly through the vulcanization mode, the rubber layer is a monoblock rubber at present, because deformation space is little, so buffering vibration isolation effect is not good, outer tube and interior axle pipe are smooth surface with the rubber layer contact surface simultaneously, the condition of coming unstuck of rubber layer and outer tube and interior axle pipe appears easily in the use, when the rubber layer breaks away from with outer tube and interior axle pipe, this bush just loses the effect, in order to avoid the rubber layer and the appearance of the condition of coming unstuck easily of outer tube and interior axle pipe, the inventor of the invention has carried out intensive research, in order to obtain the present case.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel bush for automobile suspension promotes the adhesion nature of damping effect and damping portion and outer tube and interior bobbin, and increase of service life.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-efficiency vibration-damping anti-degumming bushing for an automobile comprises an outer sleeve, an inner shaft tube and a vibration-damping part between the outer sleeve and the inner shaft tube, wherein the outer sleeve and the inner shaft tube are both hollow cylinders, the central axes of the outer sleeve and the inner shaft tube are overlapped, and the vibration-damping part comprises a first vibration-damping layer bonded with the inner side wall of the outer sleeve, a second vibration-damping layer bonded with the outer side wall of the inner shaft tube and a plurality of vibration-damping monomers between the first vibration-damping layer and the second vibration-damping layer; the damping single bodies are uniformly distributed around the central axis of the inner shaft tube, and the damping single bodies are obliquely arranged on the first damping layer and the second damping layer; gaps are reserved between every two vibration reduction monomers in the horizontal direction and the vertical direction; the inner side wall of the outer sleeve is provided with a first reticular groove, and one surface of the first vibration reduction layer adhered to the inner side wall of the outer sleeve is provided with a first bulge matched with the first reticular groove.

Furthermore, the damping monomer is S-shaped, one end of the damping monomer is adhered to the first damping layer, and the other end of the damping monomer is adhered to the second damping layer.

Furthermore, a second reticular groove is formed in the outer side wall of the inner shaft tube, and a second protrusion matched with the second reticular groove is arranged on one surface, bonded with the outer side wall of the inner shaft tube, of the second vibration reduction layer.

Further, the included angle formed by the vibration damping single body and the first vibration damping layer is 30-45 degrees.

Furthermore, the upper end surface and the lower end surface of the outer sleeve are respectively provided with a first bending part, and the first bending parts face the inner shaft tube; the upper and lower terminal surface of interior central siphon all is equipped with the second portion of bending, the second portion of bending orientation the outer tube, first portion of bending and second portion of bending have the clearance between.

By adopting the technical scheme, the beneficial effects of the utility model are that:

the damping single body has a larger deformation space relative to the whole piece of rubber, and the damping effect is better and excellent; set up first netted recess simultaneously on outer sheathed tube inside, have first arch nestification in first netted recess on the first damping layer for first damping layer and outer sleeve pipe inner wall area of contact and coefficient of friction increase, make the difficult condition of coming unstuck of damping portion appear, increase of service life.

Drawings

FIG. 1 is a schematic view of the structure of the bushing of the present invention;

FIG. 2 is a schematic view of a partial structure of the inner sidewall of the outer sleeve according to the present invention;

in the figure:

the damping device comprises a 1-outer sleeve 11-first reticular groove 2-inner shaft tube 3-damping part 31-first damping layer 32-second damping layer 33-damping monomer 4-first bending part 5-second bending part.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 2, an efficient vibration-damping and anti-adhesive-removal bushing for an automobile comprises an outer sleeve 1, an inner shaft tube 2 and a vibration-damping part 3 between the outer sleeve 1 and the inner shaft tube 2, wherein the outer sleeve 1 and the inner shaft tube 2 are both hollow cylinders, and central axes thereof are overlapped, the vibration-damping part 3 comprises a first vibration-damping layer 31 bonded to an inner side wall of the outer sleeve 1, a second vibration-damping layer 32 bonded to an outer side wall of the inner shaft tube 2, and a plurality of vibration-damping monomers 33 between the first vibration-damping layer 31 and the second vibration-damping layer 32; the damping monomers 33 are uniformly distributed around the central axis of the inner shaft tube 2, and the damping monomers 33 are obliquely arranged on the first damping layer 31 and the second damping layer 32; two damping monomers 33 in the horizontal direction and the vertical direction have gaps; a first reticular groove 11 is formed in the inner side wall of the outer sleeve 1, and a first bulge matched with the first reticular groove 11 is formed in the surface, bonded with the inner side wall of the outer sleeve 1, of the first damping layer 31; the conventional bushing mainly adopts a whole block of rubber as a damping medium arranged between an inner shaft tube and an outer sleeve, and the damping effect is poor due to the limited deformation space of the whole block of rubber; the bushing is novel and reasonable in structure, the damping effect is achieved through the damping monomers 33 arranged between the first damping layer 31 and the second damping layer 32, gaps exist between the damping monomers 33, enough space is provided for deformation of the damping monomers 33, the damping monomers 33 have larger deformation space relative to the whole rubber, and the damping effect is better and excellent; set up first netted recess 11 simultaneously on outer tube 1's inside, during first damping layer 31 vulcanizes, can flow into first netted recess 11 for be formed with first protruding nestification in first netted recess 11 on the first damping layer 31, make first damping layer 31 and outer tube 1 inner wall area of contact and coefficient of friction increase, make the difficult 3 condition of coming unstuck that appear in damping portion, increase of service life.

Preferably, the damping unit 33 is in an "S" shape, one end of the damping unit is adhered to the first damping layer 31, the other end of the damping unit is adhered to the second damping layer 32, and an arc-shaped groove is formed at the end adhered to the second damping layer 32; "S" type damping monomer 33 compares with a monoblock damping rubber now, has great deformation space, the vibration that produces in the absorption vehicle operation that can be better for the damping effect obtains promoting, because first damping layer 31 and second damping layer 32 are located respectively on outer tube 1 and central siphon 2, consequently are the arc, "S" type damping monomer 33 can be better rather than the laminating, and the laminating area is difficult for droing greatly.

Preferably, a second reticular groove is formed in the outer side wall of the inner shaft tube 2, and a second protrusion matched with the second reticular groove is formed in one surface of the second vibration reduction layer 32 bonded with the outer side wall of the inner shaft tube; the smooth surface is all adopted to current central siphon lateral wall, uses for a long time to come unstuck easily, and the area of contact and the coefficient of friction of central siphon 2 and second damping layer 32 are further strengthened to this design for second damping layer 32 is difficult to come unstuck with central siphon 2, increase of service life.

Preferably, the included angle formed by the damping monomer 33 and the first damping layer 31 is 30-45 degrees; this angle can be better play damping effect for damping monomer 33 deformation buffering vibration isolation that can be better further promotes the damping effect.

Preferably, the upper and lower end surfaces of the outer sleeve 1 are both provided with a first bending part 4, and the first bending part 4 faces the inner shaft tube 2; the upper end surface and the lower end surface of the inner shaft tube 2 are both provided with a second bending part 5, the second bending part 5 faces the outer sleeve 1, and a gap is formed between the first bending part 4 and the second bending part 5; when the first damping layer 31 and outer tube 1 or second damping layer 32 and interior axle tube 2 the condition of coming unstuck appear, first bending portion 4 and second bending portion 5 still can restrict first damping layer 31 and second damping layer 32 between outer tube 1 and interior axle tube 2, continue to play certain buffering shock insulation effect, prevent it from following roll-off between interior axle tube 2 and the outer tube 1, it has the clearance to guarantee to provide sufficient deformation space for damping portion 3 to have between first bending portion 4 and the second bending portion 5, avoid because of the restriction of first bending portion 4 and the 5 collisions of second bending portion, make damping portion 3 unable deformation play the damping effect.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The efficient vibration-damping and degumming-preventing bush for the automobile comprises an outer sleeve, an inner shaft tube and a vibration-damping part between the outer sleeve and the inner shaft tube, wherein the outer sleeve and the inner shaft tube are both hollow cylinders, and the central axes of the outer sleeve and the inner shaft tube are overlapped; the damping single bodies are uniformly distributed around the central axis of the inner shaft tube, and the damping single bodies are obliquely arranged on the first damping layer and the second damping layer; gaps are reserved between every two vibration reduction monomers in the horizontal direction and the vertical direction; the inner side wall of the outer sleeve is provided with a first reticular groove, and one surface of the first vibration reduction layer adhered to the inner side wall of the outer sleeve is provided with a first bulge matched with the first reticular groove.

2. The bushing according to claim 1, wherein the damping unit is in an "S" shape, one end of the damping unit is bonded to the first damping layer, and the other end of the damping unit is bonded to the second damping layer.

3. The efficient vibration-damping and degumming-preventing lining for the automobile as claimed in claim 1, wherein a second reticular groove is formed on the outer side wall of the inner shaft tube, and a second protrusion matched with the second reticular groove is formed on the surface of the second vibration-damping layer bonded with the outer side wall of the inner shaft tube.

4. A vibration-damping and degumming-preventing bush for automobiles according to claim 1, wherein the angle formed by the vibration-damping monomer and the first vibration-damping layer is 30-45 °.

5. The bushing for high-efficiency vibration reduction and degumming prevention for the automobile according to claim 1, wherein the upper end surface and the lower end surface of the outer sleeve are respectively provided with a first bending part, and the first bending parts face the inner shaft tube; the upper and lower terminal surface of interior central siphon all is equipped with the second portion of bending, the second portion of bending orientation the outer tube, first portion of bending and second portion of bending have the clearance between.