CN108528356B - End cap for vibration damping strut and vehicle vibration damping strut - Google Patents
End cap for vibration damping strut and vehicle vibration damping strut Download PDFInfo
- Publication number
- CN108528356B CN108528356B CN201710118440.0A CN201710118440A CN108528356B CN 108528356 B CN108528356 B CN 108528356B CN 201710118440 A CN201710118440 A CN 201710118440A CN 108528356 B CN108528356 B CN 108528356B
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- Prior art keywords
- cap body
- damping strut
- vibration damping
- cap
- bearing
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- 238000013016 damping Methods 0.000 title claims abstract description 52
- 239000000428 dust Substances 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 7
- 230000003068 static effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0846—Insulating elements, e.g. for sound insulation for duct, cable or rod passages, e.g. between engine and passenger compartments
- B60R13/0853—Insulating elements, e.g. for sound insulation for duct, cable or rod passages, e.g. between engine and passenger compartments specially adapted for movable parts, e.g. gears levers, pedals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/02—Steering gears mechanical
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to the field of vehicle suspensions, and discloses an end cap for a vibration damping strut. The invention also provides a vehicle vibration damping strut. The invention can avoid the friction noise generated by the rotation of the vibration damping strut when the automobile vibration damping strut is steered.
Description
Technical Field
The invention relates to the technical field of vehicle steering, in particular to an end cap for a vibration damping strut and the vehicle vibration damping strut.
Background
Automobile damping pillar connection automobile body and wheel below are overlapped in proper order and are equipped with buffer block and end cap, buffer block and end cap contact, the buffer block overcoat is equipped with the dust cover, the bottom of dust cover and the bottom outer fringe overlap joint of end cap when rotating the car steering wheel, take place relative rotation between buffer block and the end cap and between end cap and the dust cover to lead to the friction noise.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the technical problem of how to avoid the friction noise generated when an automobile vibration damping strut rotates.
(II) technical scheme
In order to solve the technical problem, the invention provides an end cap for a vibration damping strut, which comprises a first cap body and a second cap body, wherein through holes for penetrating through the vibration damping strut are formed in the centers of the upper ends of the first cap body and the second cap body, the second cap body is sleeved outside the first cap body, and the first cap body and the second cap body are rotatably connected.
A bearing is arranged between the first cap body and the second cap body; the inner ring of the bearing is fixedly connected with the outer wall of the first cap body, and the outer ring of the bearing is fixedly connected with the inner wall of the second cap body.
The bearing outer ring is provided with a through hole, the upper end of the first cap body is provided with a bulge, the through hole is provided with an outward bulge, the outer wall of the bulge is provided with a first mounting groove for mounting the bearing inner ring, the upper end of the second cap body is provided with an annular groove, the through hole is provided with an inward recess, and the inner wall of the annular groove is provided with a second mounting groove for mounting the bearing outer ring.
The second cap body is cylindrical, and the bottom of the second cap body is provided with an annular flange extending outwards.
The invention also provides a vehicle vibration damping strut, which comprises a vibration damping strut body, wherein a buffer block is sleeved on the vibration damping strut body, a dust cover is sleeved outside the buffer block, the vehicle vibration damping strut also comprises the end cap for the vibration damping strut, the first cap body and the second cap body are coaxially sleeved on the vibration damping strut body, the lower end of the buffer block is contacted with the upper end of the second cap body, and the lower end of the dust cover is contacted with the lower end of the second cap body.
(III) advantageous effects
Compared with the prior art, the invention has the following advantages:
the invention provides an end cap for a vibration damping strut and a vehicle vibration damping strut, wherein the end cap for the vibration damping strut is divided into two parts: the first cap body and the second cap body are rotatably connected, and the second cap body is sleeved outside the first cap body; when the automobile vibration damping strut rotates, the first cap body rotates along with the vibration damping strut, and the second cap body is in a static state relative to the vibration damping strut, so that the buffer block and the dust cover which are connected with the second cap body do not rotate relative to the second cap body, and friction noise is further avoided when the vibration damping strut rotates.
Drawings
FIG. 1 is a front view of a vehicle shock strut of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
in the figure: 1: a buffer block; 2: a dust cover; 3: a damping strut body; 4: a bearing; 5: a first cap body; 6: a second cap body; 61: an annular flange.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention provides an end cap for a vibration damping strut, which comprises a first cap body 5 and a second cap body 6, wherein through holes for penetrating through the vibration damping strut are formed in the centers of the upper ends of the first cap body 5 and the second cap body 6 respectively, the size of each through hole is matched with the outer diameter of the vibration damping strut, the second cap body 6 is sleeved outside the first cap body 5, and the first cap body 5 and the second cap body 6 are rotatably connected, so that when the first cap body 5 rotates, the second cap body 6 can be stationary.
Specifically, in the embodiment of the present invention, a bearing 4 is disposed between the first cap 5 and the second cap 6; the inner ring of the bearing 4 is fixedly connected with the outer wall of the first cap body 5, and the outer ring of the bearing 4 is fixedly connected with the inner wall of the second cap body 6, so that the second cap body 6 can be stationary when the first cap body 5 rotates.
In the embodiment of the invention, in order to facilitate the installation of the bearing 4, the upper end of the first cap body 5 is provided with a convex protrusion at the through hole, the outer wall of the protrusion is provided with a first installation groove for installing the inner ring of the bearing 4, the upper end of the second cap body 6 is provided with an annular groove with a concave through hole at the through hole, the inner wall of the annular groove is provided with a second installation groove for installing the outer ring of the bearing 4, the first installation groove and the second installation groove are annular and opposite in position to form an installation space of the bearing 4, and when the bearing 4 is a tapered roller bearing, the inner wall and the outer wall need to be provided with a certain inclination angle as shown in fig. 1 and fig. 2 so as to be matched with the installation of the tapered roller bearing.
As shown in fig. 1, the second cap body 6 is cylindrical, and the bottom thereof is provided with an annular flange 61 extending outward, and the first cap body 5 may also be cylindrical, and a gap is left between the outer cylindrical wall thereof and the inner cylindrical wall of the second cap body 6, so that no friction noise is generated when the two rotate.
As shown in fig. 1, the invention further provides a vehicle vibration damping strut, which comprises a vibration damping strut body 3, wherein a buffer block 1 is sleeved on the vibration damping strut body 3, a dust cover 2 is sleeved outside the buffer block 1, the vehicle vibration damping strut further comprises the end cap for the vibration damping strut, the first cap body 5 and the second cap body 6 are coaxially sleeved on the vibration damping strut body 3, the lower end of the buffer block 1 is in contact with the upper end of the second cap body 6, and the lower end of the dust cover 2 and the lower end of the second cap body 6 are in contact with the upper surface of the annular flange 61 of the second cap body 6; when the automobile vibration damping strut rotates, the first cap body 5 rotates along with the vibration damping strut body 3, and the second cap body 6 is in a static state relative to the vibration damping strut body 3, so that the vibration damping sleeve connected with the second cap body 6 and the dust cover 2 and the second cap body 6 do not rotate relatively, and friction noise is prevented from being generated between the buffer block 1 and the second cap body 6 and between the dust cover 2 and the second cap body 6 when the vibration damping strut body 3 rotates.
The embodiment shows that the damping support is simple and reasonable in structural design, and can effectively avoid friction noise generated when the damping support rotates.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (3)
1. An end cap for a vibration damping strut is characterized by comprising a first cap body and a second cap body, wherein the centers of the upper ends of the first cap body and the second cap body are respectively provided with a through hole for penetrating through the vibration damping strut, the second cap body is sleeved outside the first cap body, the first cap body and the second cap body are rotatably connected,
a bearing is arranged between the first cap body and the second cap body, an inner ring of the bearing is fixedly connected with the outer wall of the first cap body, an outer ring of the bearing is fixedly connected with the inner wall of the second cap body, so that the second cap body is still when the first cap body rotates,
the second cap body is cylindrical, the bottom of the second cap body is provided with an annular flange extending outwards, a gap is reserved between the outer wall of the first cap body and the inner wall of the second cap body,
the lower end of the second cap body is in contact with the lower end of the dust cover.
2. The end cap of claim 1, wherein the first cap body has a protrusion protruding outward from the through hole, the protrusion has a first mounting groove for mounting the inner ring of the bearing, the second cap body has an annular groove recessed inward from the through hole, and the inner wall of the annular groove has a second mounting groove for mounting the outer ring of the bearing.
3. A vehicle damping strut, comprising a damping strut body, wherein a buffer block is sleeved on the damping strut body, a dust cover is sleeved outside the buffer block, the vehicle damping strut is characterized by further comprising the end cap for the damping strut as claimed in any one of claims 1 to 2, the first cap body and the second cap body are coaxially sleeved on the damping strut body, the lower end of the buffer block is in contact with the upper end of the second cap body, and the lower end of the dust cover is in contact with the lower end of the second cap body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118440.0A CN108528356B (en) | 2017-03-01 | 2017-03-01 | End cap for vibration damping strut and vehicle vibration damping strut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118440.0A CN108528356B (en) | 2017-03-01 | 2017-03-01 | End cap for vibration damping strut and vehicle vibration damping strut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108528356A CN108528356A (en) | 2018-09-14 |
| CN108528356B true CN108528356B (en) | 2021-11-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710118440.0A Active CN108528356B (en) | 2017-03-01 | 2017-03-01 | End cap for vibration damping strut and vehicle vibration damping strut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108528356B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114104085B (en) * | 2021-11-25 | 2024-03-29 | 重汽(重庆)轻型汽车有限公司 | Dust cover structure of automobile steering transmission shaft |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120058149A (en) * | 2010-11-29 | 2012-06-07 | 현대자동차주식회사 | Shock absorber for vehicle |
| WO2015014758A1 (en) * | 2013-07-30 | 2015-02-05 | Ntn-Snr Roulements | Thrust bearing for a vehicle suspension |
| CN204900648U (en) * | 2015-06-29 | 2015-12-23 | 广州汽车集团股份有限公司 | Shock absorber and suspension |
| CN205026003U (en) * | 2015-08-31 | 2016-02-10 | 上汽通用汽车有限公司 | Shock absorber |
| KR20160127694A (en) * | 2015-04-27 | 2016-11-04 | 주식회사 만도 | Mounting Structure for Cab of Front Shock Absorber |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008133901A (en) * | 2006-11-28 | 2008-06-12 | Tokai Rubber Ind Ltd | Insulator and its installing structure |
| CN201241935Y (en) * | 2008-07-22 | 2009-05-20 | 比亚迪股份有限公司 | Vibration damper |
| KR20120116074A (en) * | 2011-04-12 | 2012-10-22 | 현대자동차주식회사 | Rebound stopper of strut assembly for suspension in vehicle |
| CN103089907A (en) * | 2011-11-01 | 2013-05-08 | 成都红美金属制品有限公司 | High-stability shock absorber assembly of automobile |
| US9004470B2 (en) * | 2013-03-07 | 2015-04-14 | Tenneco Automotive Operating Company Inc. | Jounce bumper nose retaining feature for a shock absorber |
| KR102109426B1 (en) * | 2014-12-08 | 2020-05-12 | 현대자동차 주식회사 | Strut assambly |
| CN204726178U (en) * | 2015-05-15 | 2015-10-28 | 广州汽车集团股份有限公司 | Shock absorber and suspension |
| KR101723612B1 (en) * | 2015-08-18 | 2017-04-18 | 주식회사 만도 | Shock absorber |
-
2017
- 2017-03-01 CN CN201710118440.0A patent/CN108528356B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120058149A (en) * | 2010-11-29 | 2012-06-07 | 현대자동차주식회사 | Shock absorber for vehicle |
| WO2015014758A1 (en) * | 2013-07-30 | 2015-02-05 | Ntn-Snr Roulements | Thrust bearing for a vehicle suspension |
| KR20160127694A (en) * | 2015-04-27 | 2016-11-04 | 주식회사 만도 | Mounting Structure for Cab of Front Shock Absorber |
| CN204900648U (en) * | 2015-06-29 | 2015-12-23 | 广州汽车集团股份有限公司 | Shock absorber and suspension |
| CN205026003U (en) * | 2015-08-31 | 2016-02-10 | 上汽通用汽车有限公司 | Shock absorber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108528356A (en) | 2018-09-14 |
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| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Gyeonggi Do, South Korea Patentee after: Hanna Wandu Co.,Ltd. Patentee after: MANDO CHINA HOLDINGS Ltd. Address before: Gyeonggi Do, South Korea Patentee before: MANDO Corp. Patentee before: MANDO CHINA HOLDINGS Ltd. |