CN102465989A - Cylindrical vibration isolation device - Google Patents
Cylindrical vibration isolation device Download PDFInfo
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- CN102465989A CN102465989A CN2010105337117A CN201010533711A CN102465989A CN 102465989 A CN102465989 A CN 102465989A CN 2010105337117 A CN2010105337117 A CN 2010105337117A CN 201010533711 A CN201010533711 A CN 201010533711A CN 102465989 A CN102465989 A CN 102465989A
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- assembly department
- cartridge type
- type isolation
- isolation mounting
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Abstract
The invention discloses a cylindrical vibration isolation device, which comprises a hollow inner mounting part, a hollow outer mounting part which is coaxially embedded outside the inner mounting part, a plurality of elastic fillers, and a group of elastic damping components which are arranged in the elastic fillers and are vulcanized with the elastic fillers into an entire elastic packaging body, wherein two annular working cavities which are communicated are formed along an axis direction vertical to the inner mounting part at intervals; and the two closed cavities are communicated with each other. The device has higher bearing capacity and higher maneuverability. Moreover, when the device is used for an automotive suspension system and damping fluid flows in the upper and lower closed cavities through an inertia track, the device can show high-damping high-rigidity excellent properties under low-frequency large-amplitude side tilting impact; therefore, the whole vehicle has higher operating stability and smoothness.
Description
Technical field
The present invention relates to a kind of isolation mounting, particularly relate to a kind of automobile suspension system that is used for, to the cartridge type isolation mounting of high speed steering response sensitivity and strong shock resistance, such as one be used for automobile suspension system hydraulic bushing.
Background technique
In existing, the vehicle of low side is in the preceding vibration damping support arm top of automobile and the joint of vehicle body, it is main that what be equipped with is the vibration isolation lining of simple rubber structure.Be mainly used in and supported and transmit normal load and isolate the effect of the vibration of suspension to the vehicle body transmission.This vibration isolation lining is widely used on the low and middle-end vehicle owing to reason such as simple in structure, that cost is low.But because the inherent characteristic (damping is little, and dynamic stiffness is low under the low frequency) of its rubber has determined that this vibration isolation lining is slow to the response of high speed steering, to the damping capacity of anti shock and vibration also very a little less than.
Summary of the invention
The technical problem that the present invention will solve is poor in order to overcome lining vibration isolating effect of the prior art, and the defective of the roll response delay of response that high speed steering is caused provides a kind of and can respond fast, be quick on the draw and cartridge type isolation mounting that anti-seismic performance is good.
The present invention solves above-mentioned technical problem through following technical proposals: a kind of cartridge type isolation mounting; It comprises the interior assembly department of a hollow; The one coaxial outer assembly department that is nested in the outer hollow of said interior assembly department; And be embedded in said assembly department and said outside plurality of elastic packing between the assembly department; Its characteristics are that said cartridge type isolation mounting comprises that also one places the elastic shock attenuation assembly in the said elastic filler, and said elastic filler vulcanizes with elastic shock attenuation assembly, said interior assembly department and outer assembly department and forms a flexible encapsulation integral body; Along axial direction perpendicular to assembly department in said; In said flexible encapsulation integral body; Be formed with at interval the active chamber of two annulars that communicate; Through two be coated on respectively said two the annular active chamber on ring runner, with two said active chambers be divided into the annular closed cavity, two described closed cavities connect each other.
Preferably, two described closed cavities connect through the inertia channel be located on the runner of said annular each other.
Preferably, said inertia channel is that the two ends of said spiral groove respectively are provided with a guide groove along a spiral groove of the surface setting of the runner of said annular, and two said guide grooves are connected with said two closed cavities respectively.
Preferably, be built-in with some damp liquids at said closed cavity, through said inertia channel, said damp liquid forms the flow cycle that connects in said two closed cavities.
Preferably, said elastic shock attenuation assembly comprises:
The middle skeleton of one ring, said in skeleton coaxial be set in said on the assembly department and with said in assembly department affixed;
Two outer skeletons, the both sides of said two dermoskeleton chord positions skeleton in said, and coaxial be set in said on the assembly department and with said in assembly department affixed.
Preferably, said elastic filler coats skeleton in said, and the active chamber of said two annulars lays respectively at the both sides of the said middle skeleton that is coated with said elastic filler.
Preferably, said middle skeleton is provided with some circular holes, and through said some circular holes, said elastic filler coats skeleton in said.
Preferably, said interior assembly department is provided with a groove, through described groove, and said middle skeleton and said interior assembly department welding.
Preferably, the runner of said annular is the nylon runner with annular of stretchability.
Preferably, said elastic filler is a rubber body.
Preferably, the interior assembly department of said hollow is a columned inner frame.
Preferably, said outer assembly department is a hollow housing.
Preferably, said cartridge type isolation mounting is one to be used for the hydraulic bushing of automobile suspension system.
Positive progressive effect of the present invention is:
At first, the present invention adopts the mode of twin-stage vibration isolation, has reduced the biography rate of vibration, and used nylon runner is to process with nylon material, and this nylon material possesses the mechanical property that metallic material is arranged, and in order to the substituted metal material, reduces product price.
Secondly, the present invention and can improve big damping, stiffness characteristics greatly except the vibration isolation ability that conventional vibration isolation lining can be provided.
In addition, the present invention not only has bearing capacity preferably, possesses maneuverability preferably simultaneously.
Description of drawings
Fig. 1 is the plan view of the present invention's one preferred embodiment device.
Fig. 2 is along the sectional view of A-A line among Fig. 1.
Fig. 3 be among Fig. 2 B to view.
Fig. 4 is the whole structure sectional view of encapsulation of preferred embodiment of the present invention among Fig. 1.
Fig. 5 is the nylon flow passage structure figure of the present invention's one preferred embodiment device.
Fig. 6 is the inner frame structure sectional view of the present invention's one preferred embodiment device.
Sectional view when Fig. 7 is inner frame and the middle skeleton assembling among Fig. 6.
Embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to specify technological scheme of the present invention.
The present invention provides a kind of cartridge type isolation mounting; It comprises the interior assembly department of a hollow; One coaxial be nested in said in the outer assembly department of the outer hollow of assembly department, and be embedded interior assembly department and outside plurality of elastic packing between the assembly department, such as the rubber body that can be the tool stretchability.The cartridge type isolation mounting also includes one group of elastic shock attenuation assembly that places in the elastic filler, and it is whole that elastic shock attenuation assembly and the sulfuration of said elastic filler form a flexible encapsulation.With advancing; Along axial direction perpendicular to interior assembly department; In flexible encapsulation integral body, be formed with at interval the active chamber of two annulars that communicate, through two be coated on the annular on two annular working chambers respectively runner; With two active chambers be divided into two the annular closed cavity, be provided with an inertia channel at water passage surface.Inertia channel connects described two ring-like closed cavities, is perfused with damp liquid in the closed cavity, through the runner of annular, places up and down the damp liquid of closed cavity to form a loop.
Preferably, the interior assembly department of hollow can be a columned inner frame, and mounting hole is arranged on the inner frame, and outer assembly department can be to wrap in the outer metal shell of inner frame, and shell is embedded in the mounting hole of interior assembly department.
Preferable, the runner of two equal-sized semicircular nylon materials of the preferred tool stretchability of the runner of above-mentioned annular is such as semiorbicular nylon runner.Runner adopts the nylon composite to process, and said nylon material not only has certain stretch-proof and fatigue resistance, the mechanical property that also has metallic material and possessed.The present invention adopts the nylon runner not only can replace existing metallic material, can also reduce the cost of manufacturing.
To shown in Figure 7, the elastic shock attenuation assembly is made up of middle skeleton 41 and two the outer skeletons that lay respectively at middle skeleton both sides that are welded on the ring of the rigidity on the inner frame 2 like Fig. 1.Middle skeleton is coaxial nested with inner frame respectively with two outer skeletons, on inner frame 2, is provided with groove 21, and the middle skeleton 41 of the ring of rigidity is welded on groove 21 places of inner frame 2.Have four round tube holes that just are being listed as on the cirque body of middle skeleton 41, rubber body 3 is through skeleton 41 in these round tube holes parcels.The cavity of two annular closed is separated by the middle skeleton 41 of said rubber body 3 parcels.
The outer skeleton 42 of two covers sulfides with inner frame 2, middle skeleton 41 and rubber body 3 jointly becomes a flexible encapsulation whole 4.Rubber body 3 is connected with outer wall, middle skeleton 41, the nylon runner 5 of inner frame 2 after sulfuration; In direction perpendicular to the medial axis of inner frame 2; Nylon runner 5 contacts with rubber body 3, metal shell 1 and has formed two ring-like airtight cavitys that communicate; Wherein the periphery of a cover nylon runner also has an inertia channel 6, is used for the passage that damp liquid 7 circulates back and forth.This inertia channel 6 connects up and down two ring-like closed cavities 8, makes that the damp liquids 7 in two closed cavities 8 are formed a flow cycle through nylon runner 5.
Two cover nylon runners 5 are made up of equal-sized two semiround body.Two cover nylon runners 5 are formed on the rubber body part of the outer surface of flexible encapsulation whole 4.
Preferable, inertia channel 6 is for being located at a spiral groove on nylon runner 5 surfaces.Respectively have the guide groove 61 that a water conservancy diversion is used at the two ends of inertia channel 6.Two guide grooves 61 on the nylon runner 5 are communicated with two ring-like closed cavities.In airtight metal shell 1, under the parcel of the rubber body of vulcanizing 3, constitute the flow cycle that communicates up and down through inertia channel 6.
Cartridge type isolation mounting of the present invention also can be a kind of hydraulic bushing that is used for automobile suspension system.
Be example with the automobile suspension system below, explain that the working principle of cartridge type isolation mounting of the present invention is following:
Extremely shown in Figure 7 like Fig. 1; The middle skeleton of two outer skeletons 42, one 41, an inner frame 2 and rubber body 3 are sulfided into a flexible encapsulation whole 4; And form a hydraulic bushing (being cartridge type isolation mounting of the present invention) with shell 1 encapsulation, the inside of hydraulic bushing pours into damp liquid 7.The vibration that passes over from Automobile Shock Absorber is passed to damp liquid 7 dampings again through after rubber body 3 vibration isolation of (to call hydraulic bushing in the following text).Vibration arrives vehicle body through after the whole hydraulic bushing damping in addition.Hydraulic bushing is realized the isolation from the vibration on road surface through the twin-stage vibration isolation.Particularly, that is: pass through inner frame 2 and middle skeleton 41 when load, the encapsulation whole 4 of process rubber is delivered on the shell 1, because shell 1 is to follow the contact of automobile chassis front arm, so power passes on the mating face of vehicle body.Completion is to the supporting of car load and the transmission of dynamic load.When road vibration passes to inner frame 2 by the cylinder type hydraulic lining, cause the vibration of inner frame 2, pass to shell 1 after vibration isolation and the decay of the vibration of inner frame 2 through hydraulic bushing, pass to vehicle body after the decay.After the vibration isolation of the twin-stage of vibration process like this, vibration is significantly decayed.
When hydraulic bushing is receiving the low frequency large-amplitude vibration, promptly be directed against roll response, when a roll response power was input to inner frame 2, the volume of two airtight active chambers up and down of hydraulic bushing changed.Produce the variation in pressure of two airtight active chambers up and down simultaneously; Impelling up and down, the interior damp liquid 7 of active chamber just passes through the inertia channel 6 on the nylon runner 5; And follow outside vibration double vibrations in nylon runner 5, thus absorb outside vibrational energy, play the effect of vibration damping.
Under the inclination excitation of low frequency large amplitude, hydraulic bushing shows big damping, big rigidity, makes car load have better control stability peace and performance like this.And when resonance appears in the vibration of liquid, show big damping and big dynamic stiffness.The inhibition of realization vehicle roll during to high speed steering, thus improve handling.
The nylon material of the nylon runner that the present invention adopted itself the intrinsic characteristic power that can absorb the liquid vibration force and produce from the stretching of rubber body or compression; Also more ripe than the hydraulic bushing more reasonable structure that adopts metal flow passage, technology, effectively reduce product cost.Except the function that conventional vibration isolation lining can be provided, and vibration isolating effect can be provided further, can greatly improve handling simultaneously.
Though more than described embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, under the prerequisite that does not deviate from principle of the present invention and essence, can make numerous variations or modification to these mode of executions.Therefore, protection scope of the present invention is limited appended claims.
Claims (13)
1. cartridge type isolation mounting; It comprises the interior assembly department of a hollow; One coaxial be nested in said in the outer assembly department of the outer hollow of assembly department, and be embedded in said assembly department and said outside plurality of elastic packing between the assembly department, it is characterized in that; Said cartridge type isolation mounting comprises that also one places the elastic shock attenuation assembly in the said elastic filler, and said elastic filler vulcanizes with elastic shock attenuation assembly, said interior assembly department and outer assembly department and forms a flexible encapsulation integral body; Along axial direction perpendicular to assembly department in said; In said flexible encapsulation integral body; Be formed with at interval the active chamber of two annulars that communicate; Through two runners of annular that are coated on respectively on the active chamber of said two annulars, two said active chambers are divided into the closed cavity of annular, two described closed cavities connect each other.
2. cartridge type isolation mounting as claimed in claim 1 is characterized in that, two described closed cavities connect through the inertia channel be located on the runner of said annular each other.
3. cartridge type isolation mounting as claimed in claim 1; It is characterized in that; Said inertia channel is that the two ends of said spiral groove respectively are provided with a guide groove along a spiral groove of the surface setting of the runner of said annular, and two said guide grooves are connected with said two closed cavities respectively.
4. cartridge type isolation mounting as claimed in claim 1 is characterized in that, is built-in with some damp liquids at said closed cavity, and through said inertia channel, said damp liquid forms the flow cycle that connects in said two closed cavities.
5. cartridge type isolation mounting as claimed in claim 1 is characterized in that, said elastic shock attenuation assembly comprises:
The middle skeleton of one ring, said in skeleton coaxial be set in said on the assembly department and with said in assembly department affixed;
Two outer skeletons, the both sides of said two dermoskeleton chord positions skeleton in said, and coaxial be set in said on the assembly department and with said in assembly department affixed.
6. cartridge type isolation mounting as claimed in claim 5 is characterized in that, said elastic filler coats skeleton in said, and the active chamber of said two annulars lays respectively at the both sides of the said middle skeleton that is coated with said elastic filler.
7. cartridge type isolation mounting as claimed in claim 6 is characterized in that, said middle skeleton is provided with some circular holes, and through said some circular holes, said elastic filler coats skeleton in said.
8. cartridge type isolation mounting as claimed in claim 5 is characterized in that, said interior assembly department is provided with a groove, through described groove, and said middle skeleton and said interior assembly department welding.
9. cartridge type isolation mounting as claimed in claim 1 is characterized in that, the runner of said annular is the nylon runner with annular of stretchability.
10. cartridge type isolation mounting as claimed in claim 1 is characterized in that, said elastic filler is a rubber body.
11., it is characterized in that, the interior assembly department of said hollow is a columned inner frame like any described cartridge type isolation mounting in the claim 1 to 10.
12., it is characterized in that said outer assembly department is a hollow housing like any described cartridge type isolation mounting in the claim 1 to 10.
13. cartridge type isolation mounting as claimed in claim 1 is characterized in that, said cartridge type isolation mounting is one to be used for the hydraulic bushing of automobile suspension system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010533711.7A CN102465989B (en) | 2010-11-05 | 2010-11-05 | Cylindrical vibration isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010533711.7A CN102465989B (en) | 2010-11-05 | 2010-11-05 | Cylindrical vibration isolation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102465989A true CN102465989A (en) | 2012-05-23 |
| CN102465989B CN102465989B (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010533711.7A Active CN102465989B (en) | 2010-11-05 | 2010-11-05 | Cylindrical vibration isolation device |
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| CN (1) | CN102465989B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206475A (en) * | 2013-05-03 | 2013-07-17 | 无锡市中捷减震器有限公司 | Automobile front lower cantilever and multi-connecting-rod damping device |
| CN104141726A (en) * | 2013-05-10 | 2014-11-12 | 现代摩比斯株式会社 | Hydro bush |
| CN104354553A (en) * | 2014-10-21 | 2015-02-18 | 宁波润轴汽配有限公司 | Hanging swinging arm assembly |
| CN105570375A (en) * | 2015-12-24 | 2016-05-11 | 北汽福田汽车股份有限公司 | Axle sleeve shock absorber and vehicle |
| CN105972145A (en) * | 2016-05-11 | 2016-09-28 | 北汽福田汽车股份有限公司 | Shaft sleeve shock absorber and vehicle |
| CN106567900A (en) * | 2016-11-01 | 2017-04-19 | 中国船舶重工集团公司第七〇九研究所 | Metamaterial vibration isolator |
| WO2017173909A1 (en) * | 2016-04-06 | 2017-10-12 | 天纳克汽车工业(苏州)有限公司 | Composite bushing, shock absorber and method for manufacturing composite bushing |
| CN108049402A (en) * | 2018-01-25 | 2018-05-18 | 西南科技大学 | Prestressed anchor |
| CN108150588A (en) * | 2016-12-02 | 2018-06-12 | 株洲时代新材料科技股份有限公司 | A kind of rail traffic hydraulic bushing |
| GB2583792A (en) * | 2018-04-09 | 2020-11-11 | Dtr Vms Ltd | Bush |
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| CN201106654Y (en) * | 2007-09-14 | 2008-08-27 | 奇瑞汽车股份有限公司 | Overhead decoupling membrane fluid pressure suspending apparatus |
| US20090273127A1 (en) * | 2005-01-26 | 2009-11-05 | The Pullman Company | Hydraulically damped body mount with bolt-through construction |
| CN201516876U (en) * | 2009-09-15 | 2010-06-30 | 吉林大学 | Automobile cab hydraulic suspension |
| CN201858301U (en) * | 2010-11-05 | 2011-06-08 | 上海骆氏减震件有限公司 | Barrel type vibration insulation device |
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2010
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| JPH02169313A (en) * | 1988-12-20 | 1990-06-29 | Toyo Tire & Rubber Co Ltd | Liquid sealed-system cylindrical vibro-isolating mount |
| US5190269A (en) * | 1990-08-09 | 1993-03-02 | Tokai Rubber Industries, Ltd. | Rubber bushing |
| US20030075847A1 (en) * | 2001-10-18 | 2003-04-24 | Tokai Rubber Industries, Ltd. | Fluid-filled cylindrical vibration damping device |
| EP1387111A1 (en) * | 2002-07-31 | 2004-02-04 | Caucho Metal Productos, S.L. | Hydraulically damped elastic mount |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206475A (en) * | 2013-05-03 | 2013-07-17 | 无锡市中捷减震器有限公司 | Automobile front lower cantilever and multi-connecting-rod damping device |
| CN104141726A (en) * | 2013-05-10 | 2014-11-12 | 现代摩比斯株式会社 | Hydro bush |
| CN104354553A (en) * | 2014-10-21 | 2015-02-18 | 宁波润轴汽配有限公司 | Hanging swinging arm assembly |
| CN105570375A (en) * | 2015-12-24 | 2016-05-11 | 北汽福田汽车股份有限公司 | Axle sleeve shock absorber and vehicle |
| WO2017173909A1 (en) * | 2016-04-06 | 2017-10-12 | 天纳克汽车工业(苏州)有限公司 | Composite bushing, shock absorber and method for manufacturing composite bushing |
| CN105972145A (en) * | 2016-05-11 | 2016-09-28 | 北汽福田汽车股份有限公司 | Shaft sleeve shock absorber and vehicle |
| CN105972145B (en) * | 2016-05-11 | 2018-03-27 | 北汽福田汽车股份有限公司 | Axle sleeve shock absorber and vehicle |
| CN106567900A (en) * | 2016-11-01 | 2017-04-19 | 中国船舶重工集团公司第七〇九研究所 | Metamaterial vibration isolator |
| CN106567900B (en) * | 2016-11-01 | 2018-11-20 | 中国船舶重工集团公司第七一九研究所 | Meta Materials vibration isolator |
| CN108150588A (en) * | 2016-12-02 | 2018-06-12 | 株洲时代新材料科技股份有限公司 | A kind of rail traffic hydraulic bushing |
| CN108049402A (en) * | 2018-01-25 | 2018-05-18 | 西南科技大学 | Prestressed anchor |
| GB2583792A (en) * | 2018-04-09 | 2020-11-11 | Dtr Vms Ltd | Bush |
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| CN102465989B (en) | 2014-03-26 |
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Owner name: JIANGSU LUOSHI SHOCK ABSORPTION PARTS CO., LTD. Free format text: FORMER OWNER: SHANGHAI LUOSHI DAMPING PARTS CO., LTD. Effective date: 20150203 |
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Free format text: CORRECT: ADDRESS; FROM: 201814 JIADING, SHANGHAI TO: 226600 NANTONG, JIANGSU PROVINCE |
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Effective date of registration: 20150203 Address after: 226600 interchange of 221 provincial road and harmony Road, Haian Economic Development Zone, Nantong, Jiangsu Patentee after: Jiangsu Luoshi Shock Absorption Parts Co., Ltd. Address before: Anting town Jiading District Shanghai city 201814 Anxiao Road No. 51 Patentee before: Shanghai Luoshi Damping Parts Co., Ltd. |