CN209852006U - Rear bushing structure of automobile rear auxiliary frame - Google Patents
Rear bushing structure of automobile rear auxiliary frame Download PDFInfo
- Publication number
- CN209852006U CN209852006U CN201920562135.5U CN201920562135U CN209852006U CN 209852006 U CN209852006 U CN 209852006U CN 201920562135 U CN201920562135 U CN 201920562135U CN 209852006 U CN209852006 U CN 209852006U
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- inner core
- overcoat
- rubber body
- piece
- cross
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- 239000011324 bead Substances 0.000 claims abstract description 4
- 238000005728 strengthening Methods 0.000 claims abstract description 3
- 125000006850 spacer group Chemical group 0.000 claims 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000003139 buffering effect Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The utility model discloses a back bush structure of sub vehicle frame behind car, including the inner core, the overcoat, and locate the rubber body between inner core outer wall and the overcoat internal face, the inner core is from last to dividing into the cross section down in proper order and becoming oval-shaped last piece, and the cross section becomes circular shape well and lower, go up, lower, the cross-sectional area of well piece reduces in proper order, the direction of remembering a major axis place is the fore-and-aft direction, it is left and right sides direction to go up minor axis place direction, the well left and right sides is provided with the bead along the axial and links up the piece, the edge of lower, the side is inwards sunken around the overcoat, be provided with vertically and horizontally staggered's strengthening rib in the sunken, the internal face becomes planar structure about the overcoat, rubber body coupling inner core and overcoat, the structure of the rubber body suits with the internal face. The radial-axial ratio is improved, the axial limit is increased, the comfort of the whole vehicle is improved, and the durability of the bushing is improved.
Description
Technical Field
The utility model relates to an automobile parts especially relates to a back bush structure of sub vehicle frame behind car.
Background
The auxiliary frame of the vehicle is used as an intermediate connecting piece of the vehicle body and a suspension system, and the riding comfort can be effectively improved. If the vehicle body is rigidly connected to the rear subframe, most of the vibration transmitted from the road surface will be transmitted to the vehicle body, resulting in poor NVH performance of the entire vehicle. Moreover, due to the vibration, the mounting point of the vehicle body on the auxiliary frame is easy to shift under bumping or other severe working conditions, so that abnormal sound is generated.
Therefore, in order to improve the driving environment, it is generally necessary to provide a subframe bushing at a mounting point of the subframe for attaching the vehicle body. Particularly, for a passenger vehicle with a front power system, the arrangement of the subframe bushing on the rear subframe can effectively improve the riding comfort of rear passengers. In addition, the provision of the subframe bushing ensures sufficient connection strength to prevent an incorrect separation of the vehicle body from the subframe.
The rear bushing structure of the conventional automobile rear auxiliary frame still has a space which can be improved, so that the comfort of the whole automobile is further improved, and the bushing is durable.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a rear bushing structure of sub vehicle frame behind car is provided, improved the footpath axle ratio, increased axial spacing improvement whole car travelling comfort and bush durable.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the back bush structure of sub vehicle frame behind car, including inner core, overcoat and locate the rubber body between inner core outer wall and the overcoat internal face, the inner core from last to divide into the cross section in proper order down and become oval-shaped last piece and cross section become circular shape well and lower, the cross-sectional area of last piece, lower, well reduce in proper order, the direction of remembering a major axis place is the fore-and-aft direction, the direction of going up a minor axis place is left and right sides direction, well left and right sides be provided with the edge that the bead linked up piece, lower along the axial, the front and back side of overcoat inwards sunken, sunken in be provided with vertically and horizontally staggered's strengthening rib, the overcoat about internal face become planar structure, the rubber body connect inner core and overcoat, the structure of the rubber body suits with the internal face of the outer wall of inner core and overcoat.
The utility model discloses further preferred scheme: the upper piece and the lower piece are positioned at two end parts of the inner core, the middle piece is connected with the upper piece and the lower piece to form a cylindrical structure, and the inner core is integrally formed.
The utility model discloses further preferred scheme: the outer surface of the outer sleeve is integrally cylindrical, a plurality of round holes arranged along the axial direction are arranged between the outer surface of the left side and the outer surface of the right side of the outer sleeve and the inner wall surface of the outer sleeve, the round holes are arranged in an arc shape, and the diameter of the round hole openings positioned on the two sides is smaller than that of the round hole opening positioned on the middle piece.
The utility model discloses further preferred scheme: the rubber body comprises an inner layer wrapped on the outer surface of the inner core and an outer layer arranged on the inner surface of the outer layer in a supporting mode, the inner layer is connected with the front side face and the rear side face of the outer layer, and a distance is reserved between the inner layer and the left side face and the right side face of the outer layer.
The utility model discloses further preferred scheme: the bottom surface of the rubber body extends to the left side and the right side to form arc-shaped blocks, the inner wall of the outer sleeve is wrapped by the arc-shaped blocks and is located below the round holes, and the arc-shaped blocks extend out of the bottom surface of the outer sleeve.
The utility model discloses further preferred scheme: the inner core is flush with the bottom surface of the outer sleeve, the top of the inner core is higher than the top of the outer sleeve, and a gasket is arranged on the top surface of the inner core.
The utility model discloses further preferred scheme: the gasket length direction along the waist shape structure that left and right sides direction set up, the left and right ends of gasket sunken.
The utility model discloses further preferred scheme: the top surface of the outer sleeve is provided with a circle of outer ring which is bent outwards, the top surface of the rubber body covers the upper surface of the outer ring, the left end and the right end of the rubber body are provided with convex blocks with arc structures, and the convex blocks are positioned below the concave parts below the gaskets.
Compared with the prior art, the utility model has the advantages of the inner core and the overcoat are connected to the rubber body, and the structure of the rubber body suits with the internal face of the outer wall of inner core and overcoat. The inner core is divided into an upper part with an oval cross section, a middle part with a round cross section and a lower part from top to bottom in sequence, and the cross sections of the upper part, the lower part and the middle part are reduced in sequence. At first the utility model discloses set up the inner core structure into upper end oval structure, support gasket structure that can be better. Set up inner core structure middle part into a structure of inside shrink, increase the volume of this place rubber body, have better shock attenuation buffering effect. And the left side and the right side of the middle piece are axially provided with convex edges which are connected with the edges of the upper piece and the lower piece. The utility model discloses set the inner core structure to the arc surface that changes to this bead structure has further improved the structural strength of inner core. The front side and the rear side of the outer sleeve are inwards sunken, criss-cross reinforcing ribs are arranged in the sunken parts, and the left inner wall surface and the right inner wall surface of the outer sleeve form a plane structure. The utility model discloses back bush structure for current car back sub vehicle frame has further improved the footpath axle ratio, has increased axial spacing improvement whole car travelling comfort and the bush is durable.
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 view of the present invention;
fig. 2 is a front-rear sectional view of the present invention;
fig. 3 is a cross-sectional view of the present invention in the left-right direction;
fig. 4 is an exploded schematic view of the present invention.
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.
As shown in fig. 1 to 4: the rear lining structure of the automobile rear auxiliary frame comprises an inner core 1, an outer sleeve 2 and a rubber body 3 arranged between the outer wall of the inner core 1 and the inner wall surface of the outer sleeve 2, wherein the inner core 1 is sequentially divided into an upper part 1a with an oval cross section, a middle part 1b and a lower part 1c with a round cross section and an upper part 1a from top to bottom, the cross sectional areas of the lower piece 1c and the middle piece 1b are reduced in sequence, the direction of the long axis of the upper piece 1a is taken as the front-back direction, the direction of the short axis of the upper piece 1a is taken as the left-right direction, the left side and the right side of the middle piece 1b are provided with convex ribs 4 along the axial direction to be connected with the edges of the upper piece 1a and the lower piece 1c, the front side and the back side of the outer sleeve 2 are inwards sunken, criss-cross reinforcing ribs 5 are arranged in the sunken parts, the left inner wall surface and the right inner wall surface of the outer sleeve 2 form a plane structure, the rubber body 3 is connected with the inner core 1 and the outer sleeve.
Upper part 1a, lower part 1c are located two tip of inner core 1, and well piece 1b has linked upper part 1a, lower part 1c and is the cylinder structure, inner core 1 integrated into one piece. The utility model discloses carried out the deformation to inner core 1 structure, helped improving the utility model discloses a structural strength can support the power that will bear.
The outer surface of the outer sleeve 2 is integrally cylindrical, a plurality of round holes 6 arranged along the axial direction are arranged between the outer surface of the left side and the outer surface of the right side of the outer sleeve 2 and the inner wall surface, the round holes 6 are arranged in an arc shape, and the calibers of the round holes 6 positioned on the two sides are smaller than the calibers of the round holes 6 positioned on the middle piece 1 b. Set up a plurality of round holes 6, make the utility model discloses there are sufficient structural strength and sufficient buffering about in the direction.
The rubber body 3 comprises an inner layer wrapped on the outer surface of the inner core 1 and an outer layer arranged on the inner surface of the outer sleeve 2 in a supporting mode, the inner layer is connected with the front side face and the rear side face of the outer layer, and a distance exists between the inner layer and the left side face and the right side face of the outer layer. The utility model discloses a connection in the direction sets up the interval on another direction, realizes the utility model discloses an intensity in succession and riding comfort.
The bottom surface of the rubber body 3 extends to the left side and the right side to form arc blocks 7, the arc blocks 7 are wrapped on the inner wall of the outer sleeve 2 and are located below the round holes 6, and the arc blocks 7 extend out of the bottom surface of the outer sleeve 2. The arc-shaped blocks 7 are arranged to enhance the axial shock absorption and buffering performance.
The inner core 1 is flush with the bottom surface of the outer sleeve 2, the top of the inner core 1 is higher than the top of the outer sleeve 2, and the top surface of the inner core 1 is provided with a gasket 8. The gasket 8 has a waist-shaped structure arranged along the left-right direction in the length direction, and the left end and the right end of the gasket 8 are concave.
The top surface of overcoat 2 is provided with the outward bend round outer lane, and the top surface of rubber body 3 covers on outer lane upper surface, and the both ends are provided with the lug 9 of arc structure about the rubber body 3, and lug 9 is located the below of the concave position under gasket 8. The lug 9 structure is arranged to enhance the shock absorption and buffering performance of the gasket 8 part.
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 (8)
1. The back bush structure of sub vehicle frame behind car, including inner core, overcoat and locate the rubber body between inner core outer wall and the overcoat internal face, its characterized in that the inner core from last to divide into the cross section in proper order down and become oval-shaped last piece and cross section one-tenth circular shape well and lower, the cross-sectional area of last piece, lower, well reduce in proper order, the direction of remembering a major axis place is the fore-and-aft direction, the direction of going up a minor axis place is left and right sides direction, well left and right sides be provided with the bead along the axial and link up the edge of piece, lower, the front and back side of overcoat inwards sunken, sunken in be provided with vertically and horizontally staggered's strengthening rib, the internal face become planar structure about the overcoat, the rubber body connect inner core and overcoat, the structure of the rubber body suits with the internal face of overcoat with the outer wall of inner core.
2. The rear bushing structure of a rear subframe for a vehicle as claimed in claim 1, wherein said upper and lower members are located at both ends of an inner core, said middle member is connected to said upper and lower members in a cylindrical structure, and said inner core is integrally formed.
3. The rear bushing structure for a rear subframe of an automobile according to claim 1, wherein an outer surface of the outer sleeve is formed in a cylindrical shape as a whole, a plurality of circular holes are formed between outer surfaces of left and right sides of the outer sleeve and an inner wall surface of the outer sleeve in an axial direction, the plurality of circular holes are arranged in an arc shape, and the diameter of the circular hole formed at both sides is smaller than that of the circular hole formed at the center member.
4. The rear bushing structure of a rear subframe for a vehicle as claimed in claim 1, wherein said rubber body includes an inner layer wrapped around an outer surface of the inner core and an outer layer received in an inner surface of the outer layer, said inner layer being engaged with front and rear side surfaces of the outer layer, said inner layer being spaced apart from left and right side surfaces of the outer layer.
5. The rear bushing structure of the rear subframe of the automobile as claimed in claim 3, wherein the bottom surface of the rubber body extends to the left and right sides to form arc blocks, the arc blocks are wrapped on the inner wall of the outer sleeve and located below the circular holes, and the arc blocks extend out of the bottom surface of the outer sleeve.
6. The rear bushing structure for a rear subframe of a vehicle as claimed in claim 1, wherein said core is flush with a bottom surface of said outer cover, a top portion of said core is higher than a top portion of said outer cover, and a gasket is disposed on a top surface of said core.
7. The rear bushing structure for a rear subframe of a vehicle as claimed in claim 6, wherein said gasket has a waist-shaped structure formed in a longitudinal direction thereof in a left-right direction, and left and right ends of said gasket are recessed.
8. The rear bushing structure for a rear subframe of a vehicle as claimed in claim 7, wherein the top surface of the outer cover is provided with an outer ring bent outwardly, the top surface of the rubber body covers the upper surface of the outer ring, and the left and right ends of the rubber body are provided with projections having an arc structure, the projections being located below the recesses under the spacers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920562135.5U CN209852006U (en) | 2019-04-23 | 2019-04-23 | Rear bushing structure of automobile rear auxiliary frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920562135.5U CN209852006U (en) | 2019-04-23 | 2019-04-23 | Rear bushing structure of automobile rear auxiliary frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209852006U true CN209852006U (en) | 2019-12-27 |
Family
ID=68939108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920562135.5U Active CN209852006U (en) | 2019-04-23 | 2019-04-23 | Rear bushing structure of automobile rear auxiliary frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209852006U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628348A (en) * | 2020-12-04 | 2021-04-09 | 建新赵氏科技有限公司 | Hydraulic transmission case suspension assembly |
| WO2021237940A1 (en) * | 2020-05-25 | 2021-12-02 | 浙江银轮机械股份有限公司 | Vibration damping pad and vibration damping pad assembly |
-
2019
- 2019-04-23 CN CN201920562135.5U patent/CN209852006U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021237940A1 (en) * | 2020-05-25 | 2021-12-02 | 浙江银轮机械股份有限公司 | Vibration damping pad and vibration damping pad assembly |
| CN112628348A (en) * | 2020-12-04 | 2021-04-09 | 建新赵氏科技有限公司 | Hydraulic transmission case suspension assembly |
| CN112628348B (en) * | 2020-12-04 | 2022-07-12 | 建新赵氏科技股份有限公司 | Hydraulic transmission case suspension assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 315600 No. 2299, Xuemian North Road, Taoyuan Street, Ninghai County, Ningbo City, Zhejiang Province Patentee after: Jianxin Zhaoshi Technology Co.,Ltd. Address before: 315600 No. 281 North Keyuan Road, Taoyuan Street, Ninghai County, Ningbo City, Zhejiang Province Patentee before: JX ZHAO'S Group Corp. |
|
| CP03 | Change of name, title or address |