CN210318346U

CN210318346U - Bushing structure applied to dynamic vibration absorber

Info

Publication number: CN210318346U
Application number: CN201921156268.9U
Authority: CN
Inventors: 王彬乃; 沈霄峰; 王艳如; 林雨佳
Original assignee: Jianxin Zhaos Group Corp
Current assignee: Jianxin Zhaos Technology Co Ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-04-14
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a bush structure of using on dynamic vibration absorber, including inner core, outer tube and rubber spare, the inner core is located the outer tube, and the rubber spare is filled between inner core and outer tube, and outer tube adaptation quality piece sets up and the pressure equipment is to the quality piece, and the rubber spare is including covering inner circle, the laminating of inner core outer peripheral face in the outer lane of outer tube internal face and a plurality of support piece of having connected inner circle and outer lane, and support piece is along the radial setting of inner core, and support piece is equidistant distribution in the inner core periphery. The design shaping can press fitting to the bush structure on the quality piece, improves the production efficiency of bumper shock absorber. And the novel rubber structure is matched to provide different rigidity requirements in all directions.

Description

Bushing structure applied to dynamic vibration absorber

Technical Field

The utility model relates to an automobile parts especially relates to a bush structure who uses on dynamic vibration absorber.

Background

During the running process of the automobile, the suspension system can be impacted and vibrated in all directions. In the vibration reduction design of modern automobiles, a large number of flexible connections such as rubber bushings are adopted by people to meet the requirements of vibration reduction and noise reduction of the automobiles and obtain the required dynamic characteristics. The mechanical properties of the rubber member are different in different directions, and therefore measures can be taken in the structure and shape of the rubber member to satisfy these properties.

Rubber is also a common vibration-damping and shock-absorbing structure in the dynamic vibration absorber of the automobile. The dynamic vibration absorber generally includes a mass, rubber, and an inner core. The structure of the mass of the dynamic vibration absorber is different according to the application of the dynamic vibration absorber in different positions in the automobile. The mass block, the rubber and the inner core are vulcanized into a whole. However, the production method has the problems of long vulcanization period and low production efficiency, and once the rubber vulcanization is defective, the whole part is scrapped.

In addition, the existing inner core structure and rubber structure are simple, and the requirements of axial rigidity of the dynamic vibration absorber at different positions and rigidity of diameters in different directions cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a bushing structure who uses on dynamic vibration absorber is provided, but the design shaping bushing structure on the pressure equipment quality piece improves the production efficiency of bumper shock absorber. And the novel rubber structure is matched to provide different rigidity requirements in all directions.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the bushing structure applied to the dynamic vibration absorber comprises an inner core, an outer pipe and a rubber part, wherein the inner core is positioned in the outer pipe, the rubber part is filled between the inner core and the outer pipe, the outer pipe is suitable for the setting of the mass block and is pressed in the mass block, the rubber part comprises an inner ring covering the peripheral surface of the inner core, an outer ring attached to the inner wall surface of the outer pipe and a plurality of supporting pieces connected with the inner ring and the outer ring, the supporting pieces are arranged along the radial direction of the inner core, and the supporting pieces are distributed on the periphery of the inner core at equal intervals.

The utility model discloses further preferred scheme: the rubber part include four support pieces, four support pieces distribute in upper and lower left and right sides position department of inner core respectively, four support pieces constitute the cruciform structure.

The utility model discloses further preferred scheme: the inner core is integrally of a cylindrical structure, and a circular truncated cone piece is arranged at the upper end of the inner core, the circular truncated cone piece is of an inverted circular truncated cone structure with a smooth transition surface, the circular truncated cone piece is connected to the inner core, and the inner core and the circular truncated cone piece are integrally formed.

The utility model discloses further preferred scheme: the outer peripheral surface of the circular truncated cone piece extends to form a protruding block, and the inner core, the circular truncated cone piece and the protruding block are wrapped by the rubber piece.

The utility model discloses further preferred scheme: the circular truncated cone piece and the protruding block are positioned outside the outer pipe.

The utility model discloses further preferred scheme: the inner core be provided with circular hole, hole both sides seted up rectangular notch.

The utility model discloses further preferred scheme: the gasket is a circular sheet structure matched with the inner core structure, two fasteners are arranged on the gasket, and the fasteners are bent and embedded into the rectangular groove.

The utility model discloses further preferred scheme: the edge of the gasket is provided with a bending piece which is bent upwards and tilted.

Compared with the prior art, the utility model has the advantages of but the design pressure equipment bushing structure on the quality piece, during outer tube adaptation quality piece setting and pressure equipment to the quality piece, compare in vulcanizing quality piece, rubber and inner core integrative, the utility model discloses shaping bushing structure goes again to load in the pressure equipment to the quality piece, has improved production efficiency, has reduced substandard product loss cost. The rubber part includes the inner circle that covers at the inner core periphery, the laminating in the outer lane of outer tube internal face and has connected a plurality of support pieces of inner circle and outer lane, and support piece sets up along the radial of inner core, and support piece equidistant distribution is in the inner core periphery. The new rubber construction provides different stiffness requirements in various directions. The utility model discloses compare traditional structure and improved production efficiency, reduce the cost, improved product reliability.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

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

FIG. 2 is an exploded view of the first embodiment;

FIG. 3 is a schematic diagram of an embodiment of a structure mounted in a mass block;

fig. 4 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 5 is an exploded view of the second embodiment;

FIG. 6 is a schematic structural diagram of the second embodiment installed in a mass block;

fig. 7 is a schematic structural diagram of the present invention mounted on the mass block.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Fig. 1 to fig. 3 show a first embodiment of the present invention: bushing structure who uses on dynamic vibration absorber, including inner core 1, outer tube 2 and rubber spare 3, inner core 1 is located outer tube 2, rubber spare 3 is filled between inner core 1 and outer tube 2, outer tube 2 adapts to the setting of quality piece 11 and presses fitting to quality piece 11 in, rubber spare 3 is including covering inner circle 3a at inner core 1 outer peripheral face, the laminating is at the outer lane 3c of 2 internal face of outer tube, and a plurality of support piece 3b of having connected inner circle 3a and outer lane 3c, support piece 3b sets up along the radial of inner core 1, support piece 3b is at the periphery of inner core 1 periphery with the interval distribution.

The rubber part 3 comprises four supporting pieces 3b, the four supporting pieces 3b are respectively distributed at the upper, lower, left and right positions of the inner core 1, and the four supporting pieces 3b form a cross-shaped structure.

In the first embodiment, the bushing structure of the dynamic vibration absorber applied to the trunk of the automobile is that, as shown in fig. 1 to 3, the inner core 1 is integrally of a cylindrical structure, and the upper end of the inner core is provided with the circular truncated cone 4, the circular truncated cone 4 is of an inverted circular truncated cone structure with a smooth surface, the circular truncated cone 4 is connected to the inner core 1, and the inner core 1 and the circular truncated cone 4 are integrally formed. The structure of the inner core 1 is a special-shaped structure, and the axial rigidity of the utility model is increased.

The outer peripheral surface of the circular truncated cone piece 4 extends to form a bump 5, and the rubber piece 3 wraps the inner core 1, the circular truncated cone piece 4 and the bump 5. The periphery of the round platform part 4 is provided with a lug 5 for limiting.

The round platform part 4 and the lug 5 are positioned outside the outer tube 2.

Fig. 4 to 6 show a second embodiment of the present invention, which is substantially the same as the first embodiment, except that the structure of the core 1 is further improved. The second embodiment is a dynamic vibration absorber applied to a ceiling, and the structure of an inner core 1 of the dynamic vibration absorber is as follows: the inner core 1 is provided with a circular inner hole, and rectangular notches 6 are formed in two sides of the inner hole.

Be provided with gasket 7 on one side terminal surface of inner core 1, gasket 7 is the circular piece dress structure that suits with inner core 1 structure, is provided with two fasteners 8 on the gasket 7, and fastener 8 is buckled and is imbedded in rectangle notch 6. The edge of the gasket 7 is provided with a bending piece 9 which is bent and raised upwards. The embodiment of the utility model provides a gasket 7 structure cooperation installation is add to second.

As shown in fig. 7, for the utility model discloses use at automobile power assembly's dynamic vibration absorber, including inner core 1, outer tube 2 and rubber spare 3, inner core 1 is located outer tube 2, rubber spare 3 is filled between inner core 1 and outer tube 2, outer tube 2 adapts to the setting of quality piece 11 and pressure equipment to quality piece 11 in, rubber spare 3 is including covering inner circle 3a at the 1 outer peripheral face of inner core, the laminating is at the outer lane 3c of 2 internal face of outer tube, and a plurality of support piece 3b of having connected inner circle 3a and outer lane 3c, support piece 3b is along inner core 1's radial setting, support piece 3b equidistant distribution is in 1 periphery of inner core.

The above is to the utility model discloses going on the detailed introduction, having used specific individual example to right in this paper the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment only is used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The bushing structure applied to the dynamic vibration absorber comprises an inner core, an outer pipe and a rubber part, wherein the inner core is positioned in the outer pipe, and the rubber part is filled between the inner core and the outer pipe.

2. The bushing structure for a dynamic vibration absorber according to claim 1, wherein said rubber member comprises four supporting members, said four supporting members being disposed at upper, lower, left and right positions of said inner core, respectively, said four supporting members forming a cross-shaped structure.

3. The bushing structure applied to the dynamic vibration absorber according to claim 1, wherein said inner core is a cylindrical structure and said upper end of said inner core is provided with a circular truncated cone, said circular truncated cone has a smooth transition surface, said circular truncated cone is connected to said inner core, and said inner core and said circular truncated cone are integrally formed.

4. The bushing structure applied to a dynamic vibration absorber according to claim 3, wherein a protrusion extends from an outer peripheral surface of said circular truncated cone member, and said rubber member wraps said inner core, said circular truncated cone member, and said protrusion.

5. The bushing structure for use in a dynamic vibration absorber according to claim 4, wherein said boss member and said projection are located outside said outer tube.

6. The bushing structure for use in a dynamic vibration absorber according to claim 1, wherein said inner core is provided with a circular inner hole, and rectangular notches are formed at both sides of said inner hole.

7. The bushing structure for use in a dynamic vibration absorber according to claim 6, wherein said core has a spacer disposed on one side of said core, said spacer having a circular sheet-like structure adapted to said core structure, said spacer having two fastening members, said fastening members being bent and fitted into said rectangular notch.

8. The bushing structure for use in a dynamic vibration absorber according to claim 7, wherein said gasket edge is provided with a bent piece which is bent upward and raised.