CN210911932U - Shock absorber rear upper connecting piece with low dynamic stiffness and energy absorption - Google Patents
Shock absorber rear upper connecting piece with low dynamic stiffness and energy absorption Download PDFInfo
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- CN210911932U CN210911932U CN201921680070.0U CN201921680070U CN210911932U CN 210911932 U CN210911932 U CN 210911932U CN 201921680070 U CN201921680070 U CN 201921680070U CN 210911932 U CN210911932 U CN 210911932U
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- shock absorber
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- connecting piece
- dynamic stiffness
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Abstract
The utility model provides a rear upper connecting piece of a shock absorber with low dynamic stiffness and energy absorption, which consists of a rubber bushing part (1) and an aluminum bracket part (2); the rubber bushing part (1) comprises an inner framework (11), a rubber part (12) and an outer framework (13); the aluminium support part (2) consists of a support body and a support cover plate (23), the support body comprises an upper and a lower uncovered cylindrical main body (21) and a 'slide plate' support (22). The structure meets the matching requirement of dynamic stiffness and static stiffness, not only has a supporting effect on the vehicle body, but also can absorb vibration and impact in the driving process; and simultaneously, the utility model discloses can also realize noise reduction, the function of anti rubber ageing deformation, increase the life of connecting piece after the bumper shock absorber.
Description
Technical Field
The utility model relates to an automobile parts field, concretely relates to connecting piece is gone up behind bumper shock absorber of low dynamic stiffness energy-absorbing.
Background
The shock absorber is used as a support of the whole vehicle, is connected with a vehicle body and running tires, is a road surface excitation feedback way, and has great influence on the comfort of the whole vehicle. The living standard of people is greatly improved, and meanwhile, people gradually upgrade the whole vehicle from the original low-price durability to the pursuit of comfort level. On the whole vehicle, the main excitation source of idling is the natural frequency excitation of a fuel engine, and in the driving process, the road excitation is the main source of the whole vehicle vibration, so that the control of the road excitation to be transmitted to the vehicle body and the attenuation excitation on a shock absorber are important. For the whole vehicle, when the vibration is greatly vibrated, the connection rigidity of the shock absorber is expected to be high, namely the static rigidity is high, so as to keep the supporting function; in the process of high-speed running, the shock absorber is required to be connected with enough softness, namely the dynamic stiffness is small, energy can be absorbed, the frequency can be isolated, and the purposes of buffering and noise reduction are achieved.
The shock absorber rear upper mounting seat is used for connecting a shock absorber strut with a vehicle body to play a supporting role and mainly comprises a support and rubber. The rubber in the prior art has the characteristics of high-frequency hardening, namely the static rigidity is higher, and the dynamic rigidity is higher; therefore, the rear upper mounting seat of the shock absorber in the prior art also has the characteristics of higher static rigidity and higher dynamic rigidity.
Therefore, the problem that the dynamic stiffness of the rear upper mounting seat of the shock absorber is solidified by static stiffness is urgently needed to be solved in the prior art so as to achieve the purposes of high static stiffness and low dynamic stiffness, and therefore the shock absorber can complete the supporting and energy absorbing functions when the whole vehicle vibrates.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that above prior art exists, provide a connecting piece is gone up behind bumper shock absorber of low dynamic stiffness energy-absorbing, it has lower dynamic stiffness when playing the supporting role, can attenuate road surface vibration, isolated vibration toward the transmission on the automobile body.
The utility model discloses the purpose is realized through following technical scheme:
the utility model provides a connecting piece is gone up behind bumper shock absorber of low dynamic stiffness energy-absorbing for connect bumper shock absorber pillar and automobile body, its characterized in that: it is composed of a rubber bushing part and an aluminum bracket part; the rubber bushing part comprises an inner framework, a rubber part and an outer framework; the outer framework is cylindrical, the inner framework is cylindrical in shape, the two ends of the inner framework are similar to the ellipsoidal bulges, the middle of the inner framework is in a shape of a long strip, and the bone is in a shape of a bone; the rubber part is distributed between the inner framework and the outer framework and uniformly coats the inner framework; the upper side and the lower side of the rubber part are provided with rubber blocks for buffering and absorbing energy; the left side and the right side of the rubber part are respectively provided with an oval damping hole consisting of two circular arcs and two semicircles; the aluminum bracket part consists of a bracket body and a bracket cover plate, wherein the bracket body comprises an upper cylindrical main body without a cover and a lower cylindrical main body without a cover and a 'sliding plate-shaped' bracket; the middle position of the inner side of the cylindrical main body is provided with an annular boss for supporting the rubber bushing part, the 'sliding plate-shaped' bracket is an inclined plate with a higher right end and a lower left end, the left end and the right end of the bracket are respectively provided with an installation hole and a positioning column for installing a rear upper installation seat of a shock absorber on the whole vehicle, the upper surface of the 'sliding plate-shaped' bracket is designed into a washboard shape, namely grooves and ridges are uniformly distributed on the upper surface of the 'sliding plate-shaped' bracket, and the grooves and the ridges are alternately arranged to increase the biting force between the installation seat and the whole vehicle; the support cover plate is of a disc-shaped structure, a plurality of small holes are uniformly distributed around the center line of the support cover plate and do not penetrate through the support cover plate, a through hole is formed in the center of the support cover plate, the shock absorber is conveniently connected with the automobile body, and the support cover plate is arranged at the upper end of the rubber bushing part.
The inner framework is designed into a bone shape, and meanwhile, damping holes and rubber blocks are added on the rubber, so that the requirement of matching dynamic stiffness and static stiffness is met, namely the static stiffness is large and the dynamic stiffness is small, and the comfort and the controllability in the driving process of the whole vehicle are ensured. Meanwhile, the 'slide plate-shaped' bracket of the aluminum bracket part is utilized to enable the rear upper mounting seat of the shock absorber to be better connected with the shock absorber strut and the vehicle body, so that a better supporting function is realized to ensure the stability of the whole vehicle; the design of the small hole of the support cover plate plays a role in pressure reduction and buffering to a certain extent so as to ensure that the aluminum support body cannot be broken due to the action of the internal force of the aluminum support body when the aluminum support body impacts.
Preferably, the rubber blocks are four on the upper side and the lower side of the rubber part, are uniformly distributed around the central axis of the rubber bushing part, and the angle between every two adjacent rubber blocks is 90 degrees.
Preferably, the damping hole is arranged on the outer side of the rubber block and close to the rubber block, and the width of the damping hole is 4 +/-0.1 mm.
Preferably, in order to ensure that the dynamic stiffness and the static stiffness are matched to meet the requirements, the annular boss is in contact with the rubber block and the lower surface of the outer framework, and the support cover plate is in contact with the rubber block and the upper surface of the outer framework.
Preferably, the buffer is fully performed, the support is guaranteed not to be affected by internal force, and the requirement on the hardness of the support body is met; the number of the small holes is twelve, and the small holes are divided into six large-diameter small holes and six small-diameter small holes; wherein the diameter of the small hole with large diameter is 7.6mm, and the diameter of the small hole with small diameter is 5.6 mm; the large-diameter small hole is adjacent to the small-diameter small hole, and the included angle of the center lines of the large-diameter small hole and the small-diameter small hole is 30 degrees; the depth of the small hole is 5 +/-0.2 mm relative to the top surface of the bracket cover plate.
The utility model discloses has following technological effect:
the utility model provides a rear upper connecting piece of a shock absorber with low dynamic stiffness and energy absorption, which has lower dynamic stiffness while playing a supporting role, can realize the matching requirements of dynamic stiffness and static stiffness, namely high static stiffness, low dynamic stiffness and low dynamic-static ratio; the vibration and jolt brought by the road surface can be well absorbed, the vibration frequency is isolated, and the purposes of buffering and noise reduction are achieved. And simultaneously, the utility model discloses a for enough design has slowed down the ageing degree of going up the mount pad behind the bumper shock absorber to a certain extent, has improved its life, satisfies each item demand of modern automobile industry to spare part economic nature, travelling comfort, stability, nature controlled.
Drawings
Fig. 1 is a schematic structural view of a rear upper mounting seat of a middle damper according to an embodiment of the present invention.
Fig. 2 is a top view of the rear upper mounting seat of the middle damper according to the embodiment of the present invention.
Fig. 3 is a sectional view of the rear upper mount of the middle damper according to the embodiment of the present invention.
FIG. 4 is an enlarged view of the A-A direction rubber bushing portion of the rear upper mount of the shock absorber according to the embodiment of the present invention.
Fig. 5 is a top view of a rubber bushing portion of the rear upper mount of the shock absorber according to an embodiment of the present invention.
Fig. 6 is a schematic structural view (front view) of an aluminum bracket portion of an upper rear mount of a shock absorber according to an embodiment of the present invention.
Fig. 7 is a schematic structural view (rear view) of an aluminum bracket portion of an upper rear mount of a shock absorber according to an embodiment of the present invention.
Fig. 8 is a top view of a bracket cover plate of the rear upper mounting seat of the middle shock absorber according to the embodiment of the present invention.
Fig. 9 is a sectional view of the bracket cover plate of the rear upper mount of the shock absorber according to the embodiment of the present invention in the direction B-B.
Wherein, 1, rubber bush part; 11. an inner skeleton; 12. a rubber portion; 121. a rubber block; 122. a damping hole; 13. an outer skeleton; 2. an aluminum bracket portion; 21. a cylindrical body; 211. an annular boss; 22. a "slide" bracket; 221. mounting holes; 222. a positioning column; 23. A bracket cover plate; 231. a small hole; 232. a through hole; 233. a large diameter aperture; 234. a small diameter aperture.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments.
A shock absorber rear upper connecting piece with low dynamic stiffness and energy absorption is used for connecting a shock absorber strut and a vehicle body, and is characterized in that as shown in figures 1-9: it is composed of a rubber bushing part 1 and an aluminum bracket part 2; the rubber bushing part 1 comprises an inner framework 11, a rubber part 12 and an outer framework 13; the outer framework 13 is cylindrical, the inner framework 11 is arranged in the middle of the outer framework 13, the inner framework is cylindrical with two ends similar to ellipsoidal bulges and the middle in a bone shape formed by long strips, the central axes of the inner framework 11 and the outer framework 13 are on the same straight line, and a through hole is formed in the center of the central axis; the rubber part 12 is distributed between the inner framework 11 and the outer framework 13 and uniformly coats the inner framework 11; the upper side and the lower side of the rubber part 12 are both provided with rubber blocks 121 for buffering and absorbing energy; the upper side and the lower side of the rubber part 12 of each rubber block 121 are four, the rubber blocks are uniformly distributed around the central axis of the rubber bushing part 1, and the angle between two adjacent rubber blocks 121 is 90 degrees. The left side and the right side of the rubber part 12 are respectively provided with an oval damping hole 122 formed by two circular arcs and two semicircles; the damping hole 122 is located outside the rubber block 121 and close to the rubber block 121, and the width of the damping hole 122 is 4 ± 0.1mm, preferably 4 mm.
The aluminum bracket part 2 is composed of a bracket body including an upper and lower uncovered cylindrical main body 21 and a "slide-plate-shaped" bracket 22, and a bracket cover plate 23. An annular boss 211 is arranged at the middle position of the inner side of the cylindrical main body 21 and used for supporting the rubber bushing part 1, the annular boss 211 is in contact with the rubber block 121 and the lower surface of the outer framework 13, and the inner wall of the cylindrical main body 21 is in contact with the outer wall of the outer framework 13. The 'sliding plate-shaped' support 22 is an inclined plate with a high right and a low left, the left end and the right end of the 'sliding plate-shaped' support are respectively provided with a mounting hole 221 and a positioning column 222 for mounting a rear upper mounting seat of a shock absorber on the whole vehicle, the upper surface of the 'sliding plate-shaped' support 22 is designed into a washboard shape, namely grooves and ridges are uniformly distributed on the upper surface of the 'sliding plate-shaped' support 22, and the grooves and the ridges are alternately arranged to increase the biting force between the mounting seat and the whole vehicle; the bracket cover plate 23 is of a disc-shaped structure, a plurality of small holes 231 are uniformly distributed around the central line of the bracket cover plate, and the small holes 231 do not penetrate through the bracket cover plate 23; twelve small holes 231 are divided into six large-diameter small holes 233 and six small-diameter small holes 234; wherein the diameter of the large-diameter small hole 233 is 7.6mm, and the diameter of the small-diameter small hole 234 is 5.6 mm; the large-diameter small hole 233 is adjacent to the small-diameter small hole 234, and the included angle of the center lines of the large-diameter small hole 233 and the small-diameter small hole 234 is 30 degrees; the depth of the small hole 231 is 5mm plus or minus 0.2mm, preferably 5mm, relative to the top surface of the holder cover plate 23. The center of the support cover plate 23 is provided with a through hole 232 which is convenient for connecting the shock absorber with a vehicle body, the support cover plate 23 is arranged at the upper end of the rubber bushing part 1, and the support cover plate 23 is in contact with the rubber block 121 and the upper surface of the outer framework 13.
The utility model discloses a dynamic stiffness and quiet rigidity match demand, both played the supporting role to the automobile body, can be again at the in-process absorbed vibration, impact of traveling to improve the travelling comfort of whole car, control the nature. And simultaneously, the utility model discloses a structure can also reach noise reduction, anti rubber ageing deformation, increase the purpose of going up mount pad life behind the bumper shock absorber to a certain extent, has economic nature and practicality.
Claims (5)
1. The utility model provides a connecting piece is gone up behind bumper shock absorber of low dynamic stiffness energy-absorbing for connect bumper shock absorber pillar and automobile body, its characterized in that: the rubber bushing is composed of a rubber bushing part (1) and an aluminum bracket part (2); the rubber bushing part (1) comprises an inner framework (11), a rubber part (12) and an outer framework (13); the outer framework (13) is cylindrical, the inner framework (11) is cylindrical in the middle of the outer framework (13) and is in a shape of a bone with two ends similar to ellipsoidal bulges and a long strip shape in the middle, the inner framework (11) and the outer framework (13) are on the same straight line, and a through hole is formed in the center of the inner framework (11) and the outer framework (13); the rubber part (12) is distributed between the inner framework (11) and the outer framework (13) and uniformly coats the inner framework (11); the upper side and the lower side of the rubber part (12) are provided with rubber blocks (121); the left side and the right side of the rubber part (12) are respectively provided with an oval damping hole (122) consisting of two circular arcs and two semicircles; the aluminum bracket part (2) consists of a bracket body and a bracket cover plate (23), wherein the bracket body comprises an upper and lower uncovered cylindrical main body (21) and a 'slide plate-shaped' bracket (22); an annular boss (211) is arranged in the middle of the inner side of the cylindrical main body (21), the sliding plate-shaped support (22) is an inclined plate with the right higher than the left lower, the left end and the right end of the inclined plate are respectively provided with a mounting hole (221) and a positioning column (222), the upper surface of the sliding plate-shaped support (22) is designed into a washboard shape, namely grooves and ridges are uniformly distributed on the upper surface of the sliding plate-shaped support (22), and the grooves and the ridges are alternately arranged; support apron (23) are disc type structure, around its central line evenly distributed a plurality of aperture (231) do not run through the support apron, support apron (23) center department has a through-hole (232), install support apron (23) rubber bush part (1) upper end.
2. The rear upper connecting piece of the shock absorber with low dynamic stiffness and energy absorption function as claimed in claim 1, wherein: the upper side and the lower side of the rubber part (12) of each rubber block (121) are four, the rubber blocks are uniformly distributed around the central axis of the rubber bushing part (1), and the angle between every two adjacent rubber blocks (121) is 90 degrees.
3. The rear upper connecting piece of the shock absorber with low dynamic stiffness and energy absorption function as claimed in claim 2, wherein: the damping hole (122) is arranged on the outer side of the rubber block (121) and close to the rubber block (121), and the width of the damping hole (122) is 4 +/-0.1 mm.
4. The rear upper connecting piece of the shock absorber with low dynamic stiffness and energy absorption function as claimed in claim 3, wherein: annular boss (211) with rubber block (121) and the lower surface contact of exoskeleton (13), support apron (23) with rubber block (121) and the upper surface contact of exoskeleton (13).
5. The rear upper connecting piece of the shock absorber with low dynamic stiffness and energy absorption function as claimed in claim 4, wherein: the number of the small holes (231) is twelve, and the small holes are divided into six large-diameter small holes (233) and six small-diameter small holes (234); wherein the diameter of the large-diameter small hole (233) is 7.6mm, and the diameter of the small-diameter small hole (234) is 5.6 mm; the large-diameter small hole (233) is adjacent to the small-diameter small hole (234), and the included angle of the center lines of the large-diameter small hole and the small-diameter small hole is 30 degrees; the depth of the small hole (231) is 5 +/-0.2 mm relative to the top surface of the bracket cover plate (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921680070.0U CN210911932U (en) | 2019-10-09 | 2019-10-09 | Shock absorber rear upper connecting piece with low dynamic stiffness and energy absorption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921680070.0U CN210911932U (en) | 2019-10-09 | 2019-10-09 | Shock absorber rear upper connecting piece with low dynamic stiffness and energy absorption |
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| Publication Number | Publication Date |
|---|---|
| CN210911932U true CN210911932U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921680070.0U Active CN210911932U (en) | 2019-10-09 | 2019-10-09 | Shock absorber rear upper connecting piece with low dynamic stiffness and energy absorption |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232475A (en) * | 2021-05-21 | 2021-08-10 | 浙江吉利控股集团有限公司 | Upper support structure of shock absorber |
| CN114810904A (en) * | 2021-01-28 | 2022-07-29 | 株式会社万都 | Cover and insulator for shock absorber including the same |
-
2019
- 2019-10-09 CN CN201921680070.0U patent/CN210911932U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810904A (en) * | 2021-01-28 | 2022-07-29 | 株式会社万都 | Cover and insulator for shock absorber including the same |
| CN113232475A (en) * | 2021-05-21 | 2021-08-10 | 浙江吉利控股集团有限公司 | Upper support structure of shock absorber |
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