CN109268423B - Engine suspension - Google Patents
Engine suspension Download PDFInfo
- Publication number
- CN109268423B CN109268423B CN201811236120.6A CN201811236120A CN109268423B CN 109268423 B CN109268423 B CN 109268423B CN 201811236120 A CN201811236120 A CN 201811236120A CN 109268423 B CN109268423 B CN 109268423B
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- China
- Prior art keywords
- fixed
- bushing
- movable
- inner ring
- pivot
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
- B60K5/1208—Resilient supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
- B60K5/1283—Adjustable supports, e.g. the mounting or the characteristics being adjustable
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0005—Attachment, e.g. to facilitate mounting onto confer adjustability
Abstract
An engine suspension comprises a rubber ring, a rubber bushing and a pivot, wherein the rubber ring comprises a fixed inner ring and a movable inner ring, the rubber bushing comprises a fixed bushing and a movable bushing, and the movable inner ring rotates along with the fixed bushing and the movable bushing when the movable bushing rotates. The invention realizes the adjustment of the rigidity of the rubber bushing in the X direction of the automobile engine suspension under the condition of unchanging the external structure by utilizing the movable bushing and the movable inner ring which can be rotatably adjusted, and solves different vibration isolation requirements under different engine arrangement conditions.
Description
Technical Field
The invention relates to the technical field of automobile safety, in particular to an engine suspension.
Background
The automobile engine suspension comprises a suspension frame body and a suspension support arm, wherein the suspension support arm is connected with an engine, and the suspension frame body is provided with a mounting support for fixing the engine suspension on an automobile body. The two most basic functions of an engine mount system are to support the weight of the engine and to isolate engine vibrations. The excitation force generated by the engine operation includes two components: one is caused by the in-cylinder pulse air pressure formed by uneven ignition of the engine and the unbalanced working of the engine; the other is vibration excitation caused by uneven running road surface. When the natural frequency of the vibration and the natural vibration of a certain order of the automobile form larger vibration and noise. The powertrain mount is a connection member between the engine and the vehicle body, and has a main function of attenuating low-frequency large vibration of the engine and suppressing high-frequency noise generated in the cab. The traditional engine suspension has limited rigidity adjustment capability on rubber in the X direction and is weak in structure, and only can meet the requirement of a transversely arranged engine.
Disclosure of Invention
In view of the above, the present invention provides an engine mount.
The invention provides an engine suspension, which comprises a suspension bracket, a rubber ring and a rubber bushing, wherein the rubber ring and the rubber bushing are arranged in an inner hole of the suspension bracket, the rubber ring comprises a fixed inner ring and a movable inner ring, the rubber bushing comprises a fixed bushing and a movable bushing which can rotate relative to the fixed bushing, the fixed bushing is arranged in the fixed inner ring and is connected with the fixed inner ring into a whole, two opposite ends of the fixed bushing are vulcanized with the fixed inner ring, two opposite ends of the movable bushing are vulcanized with the movable inner ring, the fixed bushing comprises a first fixed bushing and a second fixed bushing, the movable bushing is clamped between the first fixed bushing and the second fixed bushing, a pivot shaft penetrates through the first fixed bushing, the movable bushing and the second fixed bushing in the axial direction, and the movable bushing is rotatably connected with the fixed bushing through the pivot shaft, and can be fixed to a specific position through a limiting device, different rigidity is formed by rotating the movable bushing and the movable inner ring to different angles in the automobile engine suspension, and the automobile engine suspension is suitable for various transverse or longitudinal engine arrangements, the limiting device comprises a plurality of limiting balls positioned between the pivot and the movable bushing or between the pivot and the fixed bushing and a limiting groove for the limiting balls to be clamped in to fix the position of the movable bushing, the pivot is fixedly connected with the fixed bushing, the limiting device also comprises a first metal ring fixed together with the pivot and a second metal ring fixed together with the movable bushing, the limiting ball is fixed on one of the first metal ring and the second metal ring along the circumferential direction, the limiting grooves are discretely distributed on the circumference of the other one of the first metal ring and the second metal ring.
Further, the fixed inner ring includes a first fixed inner ring and a second fixed inner ring, and the movable inner ring is fitted between the first fixed inner ring and the second fixed inner ring in a clearance fit manner.
Furthermore, the limiting device comprises a plurality of limiting balls positioned between the pivot and the movable bushing or between the pivot and the fixed bushing, and a limiting groove for the limiting balls to be clamped in to fix the position of the movable bushing.
Further, the pivot is fixedly connected with the movable bushing, the limiting ball is fixed on one of the fixed bushing and the pivot, and the limiting grooves are discretely distributed on the circumference of the other one of the fixed bushing and the pivot.
Further, the fixed inner ring is annular and is pressed into an inner hole of the suspension bracket along the axial direction.
Further, the fixed bushing and the movable bushing are elongated.
Further, the fixed bushing is horizontally arranged in the engine suspension, and the movable bushing is longitudinally crossed with the fixed bushing in the engine suspension.
The invention realizes the adjustment of the rigidity of the rubber bushing in the X direction of the automobile engine suspension under the condition of unchanging the external structure by utilizing the movable bushing and the movable inner ring which can be rotatably adjusted, and solves different vibration isolation requirements under different engine arrangement conditions.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic perspective view of an engine mount according to the present invention.
Fig. 2 is a front view of the engine mount according to the present invention, in which the mount bracket and the mount arm are not shown.
Fig. 3 is a side schematic view of the engine mount provided by the present invention, in the state shown in fig. 3, the movable bush is rotated to a position overlapping with the fixed bush.
Detailed Description
To further explain the technical means and effects of the present invention adopted to achieve the predetermined objects, the present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1 and 2, the engine mount of the present invention includes a mount bracket 4, a mount arm 5, a rubber ring 1 disposed in an inner hole of the mount bracket 4, a rubber bushing 2, and a pivot shaft 3. The suspension bracket 4 is fixed to the vehicle body by bolts, and the suspension arm 5 is connected to the engine by bolts.
The rubber ring 1 is annular and comprises a fixed inner ring 11 and a movable inner ring 12, wherein the fixed inner ring 11 is pressed into an inner hole of the suspension bracket 4 along the axial direction in an interference fit mode and is in close contact with the inner hole wall of the suspension bracket 4. The rubber bush 2 includes a fixed bush 21 and a movable bush 22, and the fixed bush 21 and the movable bush 22 are both long and arranged in the radial direction. The fixed bush 21 is arranged in the fixed inner ring 11 and is connected with the fixed inner ring 11 into a whole, the movable bush 22 is arranged in the movable inner ring 12 and is connected with the movable inner ring 12 into a whole, the movable bush 3 is rotatably connected with the fixed bush 21 through the pivot shaft 3, and the pivot shaft 3 is fixed at the middle section of the movable bush 22 and axially penetrates through the fixed bush 21.
Referring to fig. 3, the fixed inner ring 11 and the movable inner ring 12 are axially arranged side by side and have the same radius, the fixed inner ring 11 includes a first fixed inner ring 111 and a second fixed inner ring 112, and the movable inner ring 12 is assembled between the first fixed inner ring 111 and the second fixed inner ring 112 in a clearance fit manner. In the present embodiment, the width of the rubber ring 1 is divided into four equal parts, wherein the movable inner ring 12 occupies one half and each of the first fixed inner ring 111 and the second fixed inner ring 112 occupies one quarter.
The fixed bush 21 includes a first fixed bush 211 and a second fixed bush 212, and the movable bush 22 is interposed between the first fixed bush 211 and the second fixed bush 212 in the axial direction. The width of the movable bush 22 corresponds to the width of the movable inner ring 12, the width of the first fixed bush 211 corresponds to the width of the first fixed inner ring 111, and the width of the second fixed bush 212 corresponds to the width of the second fixed inner ring 112. The opposite ends of the first fixed liner 211 are vulcanized together with the first fixed inner ring 111, the opposite ends of the movable liner 22 are vulcanized together with the movable inner ring 12, and the opposite ends of the second fixed liner 212 are vulcanized together with the second fixed inner ring 112. The pivot shaft 3 axially penetrates the first fixed bush 211, the movable bush 22 and the second fixed bush 212, is fixedly connected (e.g., interference fit) with the first fixed bush 211 and the second fixed bush 212, and is connected with the suspension arm 5.
In the present embodiment, the first fixed bush 211, the movable bush 22, and the second fixed bush 212 are crossed with each other. The movable inner ring 12 is fitted between the fixed inner rings 11 with a clearance fit, and the pivot shaft 3 passes through the first fixed bush 211 and the second fixed bush 212 with an interference fit. When the movable bush 22 rotates about the pivot shaft 3, the movable inner ring 12 rotates between the first fixed inner ring 111 and the second fixed inner ring 112 by the movable bush 22. The fixed inner ring 11 is arranged in the suspension bracket 4 in an interference fit mode, and the fixed bushing 21 is vulcanized together with the fixed inner ring, so that the fixed inner ring 11 and the fixed bushing 21 do not move and the movable inner ring 12 and the movable bushing 22 do not influence to move in the rotating process of the movable inner ring 12.
Further, a stopper 6 is provided between the pivot shaft 3 and the rubber bush 2 to fix the movable bush 3 to a specific position after it is rotated to the position.
Specifically, the limiting device 6 includes several limiting balls 61 between the pivot shaft 3 and the movable bush 22 or between the pivot shaft 3 and the fixed bush 21, and a limiting groove for the limiting balls 61 to be caught to fix the position of the movable bush 22. In this embodiment, the position-limiting device 6 further includes a first metal ring 62 fixed (e.g., interference fit or welded) to the pivot 3 and a second metal ring 63 fixed (e.g., interference fit or welded) to the movable bushing 22, the position-limiting balls 61 are fixed to one of the first metal ring 62 and the second metal ring 63, e.g., integrally protruded on the surface of the first metal ring 62 or the second metal ring 63, and the position-limiting grooves are discretely distributed on the circumference of the other one of the first metal ring 62 and the second metal ring 63. The limiting ball 61 is clamped into the corresponding limiting groove after the movable bush 22 rotates to a specific position, and the movable bush 22 and the movable inner ring 12 are fixed to the position, so that the rubber bush 2 can provide different elastic components in the horizontal or vertical direction by rotating the movable bush 22 to positions which form different angles with the fixed bush 21, and the rigidity requirements of different power assemblies are met. The present invention accommodates a variety of engine arrangements, both transverse and longitudinal, by rotating the movable bushing 22 and the movable inner ring 12 to different angles within the automotive engine mount, creating different stiffness.
In the above embodiment, the position limiting device 6 comprises the first metal ring 62 and the second metal ring 63, and it is understood that in other embodiments, the arrangement of the first metal ring 62 and the second metal ring 63 may be eliminated, for example, the position limiting ball 61 is directly fixed on one of the movable bush 22 and the pivot 3, and the position limiting grooves are discretely distributed on the circumference of the other of the movable bush 22 and the pivot 3, and also can play a role in enabling the movable bush 22 to rotate relative to the fixed bush 21 and fixing the movable bush 22 to a specific position after rotating the movable bush 22 to the specific position. Alternatively, the pivot shaft 3 is fixed to the movable bush 22, the limit balls 61 are fixed to one of the fixed bush 21 and the pivot shaft 3, and the limit grooves are discretely distributed on the circumference of the other of the fixed bush 21 and the pivot shaft 3, so that the movable bush 22 can be rotated with respect to the fixed bush 21 and fixed to a specific position after the movable bush 22 is rotated to that position. It should be noted that in the embodiment in which the pivot 3 is solidly connected to the movable bush 22, the suspension arm 5 is not connected to the pivot 3, but is fixed to the corresponding fixed bush.
In conclusion, the invention realizes the adjustment of the rigidity of the rubber bushing of the automobile engine suspension under the condition of unchanging an external structure by utilizing the movable bushing and the movable inner ring which can be adjusted in a rotating way, and solves different vibration isolation requirements under different engine arrangement conditions. Because the external structure of the engine suspension does not need to be changed, the invention saves the development cost of the suspension bracket and the bracket mould and the development cost of vehicle body mounting hole sites with different structures. After the engine suspension device is put into practical application, when the engines arranged in different directions are alternately used, the suspension rubber does not need to be dismounted and replaced, the damage to parts caused in the dismounting process is avoided, and the cost is further reduced. The invention is suitable for the common structure of the traditional transversely-arranged engine and the longitudinally-arranged engine, and can meet the use requirements of different power configuration vehicle types and different customers.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides an engine suspension, includes suspension support (4) and locates rubber circle (1) and rubber bush (2) in suspension support (4) hole, its characterized in that: the rubber ring (1) comprises a fixed inner ring (11) and a movable inner ring (12), the rubber bushing (2) comprises a fixed bushing (21) and a movable bushing (22) which can rotate relative to the fixed bushing (21), the fixed bushing (21) is arranged inside the fixed inner ring (11) and is connected with the fixed inner ring (11) into a whole, the movable bushing (22) is arranged inside the movable inner ring (12) and is connected with the movable inner ring (12) into a whole, two opposite ends of the fixed bushing (21) are vulcanized with the fixed inner ring (11), two opposite ends of the movable bushing (22) are vulcanized with the movable inner ring (12), the fixed bushing (21) comprises a first fixed bushing (211) and a second fixed bushing (212), and the movable bushing (22) is clamped between the first fixed bushing (211) and the second fixed bushing (212), a pivot (3) penetrates the first fixed bushing (211), the movable bushing (22) and the second fixed bushing (212) along the axial direction, the movable bushing (22) is rotatably connected with the fixed bushing (21) through the pivot (3) and can be fixed to a specific position through a limiting device (6), different rigidity is formed by rotating the movable bushing (22) and the movable inner ring (12) to different angles in an automobile engine suspension, various transverse or longitudinal engine arrangements are adapted, the limiting device (6) comprises a plurality of limiting balls (61) positioned between the pivot (3) and the movable bushing (22) or between the pivot (3) and the fixed bushing (21) and limiting grooves for the limiting balls (61) to be clamped into to fix the position of the movable bushing (22), the pivot (3) is fixedly connected with the fixed bushing (21), the limiting device (6) further comprises a first metal ring (62) fixed with the pivot (3) and a second metal ring (63) fixed with the movable bushing (22), the limiting balls are fixed to one of the first metal ring (62) and the second metal ring (63) along the circumferential direction, and the limiting grooves are discretely distributed on the circumference of the other one of the first metal ring (62) and the second metal ring (63).
2. The engine mount of claim 1, wherein: the fixed inner ring (11) includes a first fixed inner ring (111) and a second fixed inner ring (112), and the movable inner ring (12) is fitted between the first fixed inner ring (111) and the second fixed inner ring (112) with a clearance fit.
3. The engine mount of claim 1, wherein: the pivot (3) is fixedly connected with the fixed bushing (21), the limiting ball (61) is fixed on one of the movable bushing (22) and the pivot (3), and the limiting grooves are discretely distributed on the circumference of the other one of the movable bushing (22) and the pivot (3).
4. The engine mount of claim 1, wherein: the pivot (3) is fixedly connected with the movable bushing (22), the limiting ball (61) is fixed on one of the fixed bushing (21) and the pivot (3), and the limiting grooves are discretely distributed on the circumference of the other one of the fixed bushing (21) and the pivot (3).
5. The engine mount of claim 1, wherein: the fixed inner ring (11) is annular and is pressed into an inner hole of the suspension bracket along the axial direction.
6. The engine mount of claim 1, wherein: the fixed bush (21) and the movable bush (22) are in a long strip shape.
7. The engine mount of claim 1, wherein: the fixed bush (21) is horizontally arranged in the engine suspension, and the movable bush (22) longitudinally crosses the fixed bush (21) in the engine suspension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811236120.6A CN109268423B (en) | 2018-10-23 | 2018-10-23 | Engine suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811236120.6A CN109268423B (en) | 2018-10-23 | 2018-10-23 | Engine suspension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109268423A CN109268423A (en) | 2019-01-25 |
| CN109268423B true CN109268423B (en) | 2020-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811236120.6A Active CN109268423B (en) | 2018-10-23 | 2018-10-23 | Engine suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109268423B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664317B (en) * | 2020-12-25 | 2022-09-13 | 重庆隆鑫通航发动机制造有限公司 | Engine mounting structure and engine |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000002286A (en) * | 1998-06-16 | 2000-01-07 | Marugo Rubber Ind Co Ltd | Liquid sealing vibration isolation device |
| KR20080023520A (en) * | 2006-09-11 | 2008-03-14 | 현대자동차주식회사 | A bush for an automobile's suspension system |
| CN101368609A (en) * | 2008-09-28 | 2009-02-18 | 株洲时代新材料科技股份有限公司 | Spherical hinge rubber elastic element stiffness changing method and spherical hinge rubber elastic element |
| CN102678815A (en) * | 2012-05-30 | 2012-09-19 | 重庆长安汽车股份有限公司 | Rubber suspension lining assembly structure for automobile engine |
| CN202926947U (en) * | 2012-11-12 | 2013-05-08 | 上海汽车集团股份有限公司 | Suspended debugging variable bush |
| CN204592139U (en) * | 2015-03-18 | 2015-08-26 | 柳州金鸿橡塑有限公司 | Combined type torsional vibration damper |
| CN105818666A (en) * | 2016-03-29 | 2016-08-03 | 浙江吉利汽车研究院有限公司 | Engine suspension with adjustable rigidity |
| CN105952843A (en) * | 2016-06-27 | 2016-09-21 | 株洲时代新材料科技股份有限公司 | Method for improving vibration attenuation reliability of metal rubber joints and metal rubber joint assembly |
| CN107542826A (en) * | 2017-10-13 | 2018-01-05 | 中国船舶重工集团公司第七O三研究所 | A kind of vibration insulation structure of stiffness variable |
| CN108035999A (en) * | 2018-02-08 | 2018-05-15 | 株洲时代新材料科技股份有限公司 | One kind traction flexural pivot nonlinear variable-stiffness method of adjustment and flexural pivot |
| CN209208463U (en) * | 2018-11-22 | 2019-08-06 | 广州汽车集团股份有限公司 | A kind of powertrain mounting system |
-
2018
- 2018-10-23 CN CN201811236120.6A patent/CN109268423B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000002286A (en) * | 1998-06-16 | 2000-01-07 | Marugo Rubber Ind Co Ltd | Liquid sealing vibration isolation device |
| KR20080023520A (en) * | 2006-09-11 | 2008-03-14 | 현대자동차주식회사 | A bush for an automobile's suspension system |
| CN101368609A (en) * | 2008-09-28 | 2009-02-18 | 株洲时代新材料科技股份有限公司 | Spherical hinge rubber elastic element stiffness changing method and spherical hinge rubber elastic element |
| CN102678815A (en) * | 2012-05-30 | 2012-09-19 | 重庆长安汽车股份有限公司 | Rubber suspension lining assembly structure for automobile engine |
| CN202926947U (en) * | 2012-11-12 | 2013-05-08 | 上海汽车集团股份有限公司 | Suspended debugging variable bush |
| CN204592139U (en) * | 2015-03-18 | 2015-08-26 | 柳州金鸿橡塑有限公司 | Combined type torsional vibration damper |
| CN105818666A (en) * | 2016-03-29 | 2016-08-03 | 浙江吉利汽车研究院有限公司 | Engine suspension with adjustable rigidity |
| CN105952843A (en) * | 2016-06-27 | 2016-09-21 | 株洲时代新材料科技股份有限公司 | Method for improving vibration attenuation reliability of metal rubber joints and metal rubber joint assembly |
| CN107542826A (en) * | 2017-10-13 | 2018-01-05 | 中国船舶重工集团公司第七O三研究所 | A kind of vibration insulation structure of stiffness variable |
| CN108035999A (en) * | 2018-02-08 | 2018-05-15 | 株洲时代新材料科技股份有限公司 | One kind traction flexural pivot nonlinear variable-stiffness method of adjustment and flexural pivot |
| CN209208463U (en) * | 2018-11-22 | 2019-08-06 | 广州汽车集团股份有限公司 | A kind of powertrain mounting system |
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|---|---|
| CN109268423A (en) | 2019-01-25 |
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