CN102588501B - Hydraulic suspension of engine - Google Patents
Hydraulic suspension of engine Download PDFInfo
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- CN102588501B CN102588501B CN201110449156.4A CN201110449156A CN102588501B CN 102588501 B CN102588501 B CN 102588501B CN 201110449156 A CN201110449156 A CN 201110449156A CN 102588501 B CN102588501 B CN 102588501B
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Abstract
The invention relates to a suspension of an engine, in particular to a hydraulic suspension of an engine, which comprises a base, a rubber main spring, an upper frame and an engine fixing support, wherein a main liquid chamber, a secondary liquid chamber and a liquid flow passage are arranged between the rubber main spring and the base; the liquid flow passage communicates the main liquid chamber with the secondary liquid chamber, the upper frame and the base form an annular structure clamped on the rubber main body, one end of the engine fixing support is fixedly connected on the end surface of the rubber main body, parallel to a plane on which the annular structure is located, the other end of the engine fixing support is provided with an installation hole or a bolt for installing the engine, and the engine fixing support, the main liquid chamber and the secondary liquid chamber are arranged from top to bottom in sequence. The invention provides the hydraulic suspension of the engine, which can be adapted to the installation of the engine in a vehicle with a small height space and is good in shear resisting capability, thereby solving the problem that the existing hydraulic suspension of the engine is poor in shear resisting capability and poor in vibration reduction effect.
Description
Technical field
The present invention relates to have the engine mounting of shock-absorbing function, relate in particular to a kind of engine hydraulic mount, belong to auto parts and components field.
Background technique
The problem that causes the riding comfort decline of vehicle in order to overcome the caused body oscillating of vibration of motor, when automobile is made, is arranged on motor on car body by having the engine mounting of shock-absorbing function.
The initial engine mounting with shock-absorbing function is by utilizing the internal friction characteristic of rubber to absorb the vibration of vehicle, playing the effect of damping.
At Chinese patent notice of authorization number, for 201517580U, notice of authorization day, be June 30 in 2010 day, be called in the patent documentation of " engine rubber suspension " and disclose a kind of engine mounting that carries out damping by rubber, this suspends and comprises overcoat, inner sleeve and the rubber layer between inner sleeve and overcoat sulfiding, during use, this being suspended to be enclosed within is fixed on the bolt on car body by motor and makes motor support on this suspends, and the resiliently deformable by rubber reaches damping effect.
Chinese patent notification number be 2069808U, the day for announcing are January 23 in 1991 day, be called in the patent documentation of " engine mounting " and disclose the another kind of engine mounting that carries out damping by rubber, this suspends and comprises tube-like base, is contained in the rubber mount in base and is supported on the nut on rubber mount.When practical, base is fixed on car body, by screw, coordinates described nut that enlarger is fixed on this suspends.Resiliently deformable by rubber mount realizes damping effect.
In China Patent No., be 200710092457x, within open day, be December 26 in 2007 day, be called public affairs in the patent documentation of " right suspension installation of saloon car engine " and also disclose a kind of engine mounting that carries out damping by beam (mostly being rubber pad).The Limit screw that this suspends and mainly comprises riser (base), is fixed on the buffer stopper on riser and is arranged on buffer stopper upper end.During use, riser is fixed on right vertical beam, bearing wall is fixed on Limit screw, and motor is fixed on bearing partition.Resiliently deformable by buffer stopper realizes damping effect.
Because the interior frictional property by rubber only carrys out damping, effect is not good enough, in order further to improve the damping effect suspending, has designed hydraulic mount.Hydraulic mount mainly comprises rubber spring, base and is positioned at base and the two two chamber bodies of rubber spring, and two chamber bodies are communicated with by liquid chunnel.During use, in two chamber bodies, inject damping fluid.When during body oscillating, energy-absorbing cushioning effect is played in rubber spring distortion, the chamber body that is positioned at rubber spring is squeezed and produces stereomutation, force damping fluid through liquid chunnel motion repeatedly in two cavitys, when damping fluid is flowed through liquid chunnel between self and the mechanical energy that vibration produced with producing friction between liquid chunnel of damping fluid change heat energy into and play the effect of damping energy-absorbing.
At Chinese patent notice of authorization number, for 201970840U, the day for announcing, be September 14 in 2011 day, be called the engine mounting that discloses a kind of hydraulic type in the patent documentation of " engine mounting ".This bonnet (base) of comprising rubber spring, being positioned at rubber spring lower end of suspending, be arranged on the hydraulic shock-absorption unit between rubber spring and bonnet, described bonnet is provided with car body retaining screw, and one end away from bonnet of described body of rubber is provided with motor retaining screw.During use, bonnet is connected on car body by car body retaining screw, and motor is connected in body of rubber by motor connecting screw.The present invention and motor are fixed on car body in stacked mode.
In China Patent No., be 200810061566x, within open day, be October 15 in 2008 day, be called in the patent documentation of " damping adjustable type engines suspending damping device " and disclose a kind of hydraulic mount, the base that this suspends and mainly comprises main spring and be arranged on main spring lower end, and the hydraulic shock-absorption unit between main spring and base, on the lower surface of base, be provided with the lower attachment screw to downward-extension, the upper-end surface of main spring is provided with upwardly extending upper attachment screw.Be provided with attachment screw at present and be connected with car body, upper attachment screw is connected with motor.
But the existing engine mounting with shock-absorbing function all has following dead zone of design and deficiency: be all, in the bottom suspending, the link that same car body is connected is set, on the top suspending, the link that same motor connects is set, while motor being connected on car body by suspending, motor be positioned at suspend directly over, make the two height taking of motor and suspension larger, on compact car in order to realize the installation of motor, only have the height suspending by reduction to realize, and after suspending and dwindling, rubber spring and inner hydraulic chamber also will dwindle thereupon, make the shock-absorbing function variation suspending, the riding comfort variation of vehicle, anti-shear ability is poor.
Summary of the invention
The invention provides a kind of installation and good engine hydraulic mount of anti-shear ability that can adapt to the motor in the vehicle that height space is less, solved existing poor problem and the poor problem of existing engine mounting anti-shear ability of riding comfort that suspending of shock-absorbing function adapt to the motor in the vehicle that height space is less installation by reducing damping performance causes that have.
Above technical problem solves by following technical proposal: a kind of engine hydraulic mount, comprise base and be arranged on the rubber spring on base, between described rubber spring and described base, be provided with main liquid chamber and secondary liquid chamber, between main liquid chamber and secondary liquid chamber, be provided with liquid chunnel, it is characterized in that, also comprise added and motor fixed support, described added and base looping structure, described loop configuration is embraced and is clipped in described body of rubber, the support bracket fastened one end of described motor is fixed on the end face of same described loop configuration place plane parallel of described body of rubber, the support bracket fastened the other end of described motor is provided with installs mounting hole or the bolt that motor is used, described motor fixed support, main liquid chamber and secondary liquid chamber three are arranged in order from top to down.During use, base and/or added same car body link together, motor is connected with engine support by the mounting hole on engine support or bolt, thereby make motor and suspend to be positioned at two vertical planes, and the lower end of motor, lower than the upper end suspending, reduces motor and the total height suspending while linking together.By designing added and making added and base form a ring structure and embrace to be clipped on rubber spring, overcome the shear fracture effect to rubber spring of distortion power that the horizontal vibration of motor produces, and existing structure is while being subject to shearing, the bolt for stationary engine of sulfuration in rubber spring or nut are easily with throwing off between body of rubber.Base and the added convenience removably connecting when improving the present invention's assembling and safeguarding that can be designed as.
As preferably, described rubber spring is provided with attachment hole, and described motor fixed support can be connected in described attachment hole to plug.Motor fixed support is not sulfided with rubber spring, and be designed to pluggable mode, motor fixed support can be changed separately, by other part design except motor fixed support of the present invention, be common version and motor fixed support is designed to different forms according to the difference of vehicle, improve versatility of the present invention and reduce mould development cost.
As preferably, in described attachment hole, vulcanize and have connecting sleeve, described engine support links together with described attachment hole by described connecting sleeve.Connecting sleeve is set, makes engine support be difficult for coming off in rubber spring, if be directly inserted on rubber, due to the elasticity of rubber, motor fixed support easily produces obscission.
As preferably, between described engine support and described connecting sleeve, be provided with buckle, described motor fixed support is connected in described connecting sleeve by described buckle.After having had buckle, between connecting sleeve and motor fixed support, can be designed as Spielpassung.Convenience when further raising motor fixed support is assembled in body of rubber.
As preferably, described loop configuration is provided with at least two and connects described bases and the first added car body attachment hole, and described the first car body attachment hole is positioned at the both sides of described rubber spring, described base and addedly link together by described the first car body attachment hole.After passing the first car body attachment hole by bolt during use, the present invention is fixed on car body, this bolt is also held loop configuration tightly on rubber spring in the lump simultaneously.During non-working condition, all parts of the present invention can be taken apart and deposit, convenient while depositing; By identical attachment hole realize simultaneously the present invention with the connection between car body and base with the connection between added, convenient during simple in structure, assembling.
As preferably, described added upper end is provided with the second car body attachment hole, described the first car body attachment hole and the distribution triangular in shape of the second car body attachment hole.During use, the present invention is linked together with car body after also passing the second car body attachment hole by bolt.According to 3 principles of confirming a plane, the present invention is more steady with the connection between car body.
The present invention also comprises leather cup, the lower end surface of described rubber spring is provided with cavity, described base plate is provided with the through hole that connects upper and lower end face, in described through hole, be provided with step and flaps, the lower end of described through hole is by described cup packing, the lower end surface sealing paste of described rubber spring is combined on described step, described flaps and described cavity surround described main liquid chamber, described flaps, described through hole and described leather cup three surround described secondary liquid chamber, and described flaps is provided with the resistive plate portion gap that forms described liquid chunnel.During use, in the cavity being surrounded by leather cup, cavity and through hole three, fill with damping fluid (existing conventional damping fluid is ethylene glycol), when the vibration of motor causes that the volume size of main liquid chamber changes, damping fluid flows between main liquid chamber and secondary liquid chamber back and forth through liquid chunnel, the mechanical energy that produces friction in flow process and vibration is produced is converted to heat energy, plays the effect of damping.By base and added holding tightly, on rubber spring, force rubber spring to be sealedly connected on step.With simple structure, realize rubber spring with being tightly connected between base.
As preferably, state between main liquid chamber and described secondary liquid chamber and be provided with dividing plate, between described dividing plate and described flaps, be provided with decoupling zero sheet, described dividing plate is provided with the partition board portion gap that forms described liquid chunnel." decoupling zero sheet " refers to by from rocking and the sheet component of absorbing vibrational energy in damping fluid.During low frequency large-amplitude vibration, main liquid chamber can produce volume-variation and force damping fluid to flow back and forth between two chambers, when yet motor produces high frequency low amplitude vibrations, rubber spring is difficult for producing distortion, therefore the damping effect to high frequency low-amplitude is poor, be also that aforesaid way only has good cushioning effect to low frequency large amplitude.In the technical program, by design damping chamber and decoupling zero sheet, when high frequency slightly vibrates, by separating lotus root sheet, in chamber, damping chamber, rock absorbing vibrational energy, make the present invention also have good damping effect to high frequency low amplitude vibrations.
As preferably, described decoupling zero sheet comprises flake main body and the some friction levers that run through flake main body, and described friction lever is provided with along the axially extended damping hole of friction lever.During the vibration of low frequency high amplitude, damping hole forms a part for liquid chunnel, and frictional force when increase damping fluid flows improves low frequency damping effect of the present invention.Decoupling rod can increase decoupling zero sheet with the area of contact of damping fluid, and while causing damping fluid to rock when high frequency low amplitude vibrations, friction effect is good, thereby increases high frequency damping effect of the present invention.Damping hole is designed to be positioned on friction lever and along the axially extended hole of friction lever, can play the effect of the length that extends liquid chunnel.
The present invention also comprises leather cup supporting cover, and described leather cup supporting cover is threaded on described base, and described leather cup is connected on described base by described leather cup supporting cover.Make leather cup can be installed to easily base and get on and pull down from base, convenient while injecting damping fluid.
As preferably, described joint added and described base is provided with adjusting play.When the wearing and tearing due to rubber spring produce rubber spring with the poor sealing between base and fix between with ring structure when insecure, can be by by base with addedly close to such an extent that more hold together to overcome.
The present invention has following advantage, and installation and the anti-shear ability that can adapt to the motor in the vehicle that height space is less are good; In preferred version, can between parts, be all that removably is produced on together, be convenient to follow-up maintenance, can change separately parts, maintenance cost be low; Preferably put in case, increase decoupling zero sheet, vibration has good damping effect to high and low frequency to make the present invention.
Accompanying drawing explanation
Fig. 1 is split view of the present invention.
Fig. 2 is for separating the enlarged diagram of overlooking of lotus root sheet.
Fig. 3 is B-B schematic cross-section at the A place of Fig. 2
Fig. 4 is schematic top plan view of the present invention.
Fig. 5 is C-C schematic cross-section of Fig. 4.
Fig. 6 is use view of the present invention.
In figure: leather cup supporting cover 1, installation gap 11, leather cup fixing bolt 12, leather cup 2, base 3, groove 31, added locating stud 32, base portion mounting hole 33, through hole 34, step 35, flaps 36, resistive plate portion gap 361, main spring positioning hole 37, dividing plate locating stud 38, separate lotus root sheet 4, flake main body 41, friction lever 42, damping hole 43, dividing plate 5, partition board portion gap 51, dividing plate positioning hole 52, rubber spring 6, attachment hole 61, main spring locating stud 62, connecting sleeve 63, cavity 64, added 7, added positioning hole 71, added portion mounting hole 72, the second car body attachment hole 73, adjusting play 74, motor fixed support 8, connecting rod 81, strut 82, buckle 83, motor mounting hole 84, the first car body attachment hole 9, secondary liquid chamber 91, main liquid chamber 92, liquid chunnel 93, car body 100, motor 101, fixed hole 102.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated.
Referring to Fig. 1, a kind of engine hydraulic mount, comprises leather cup supporting cover 1, leather cup 2, base 3, separates lotus root sheet 4, dividing plate 5, rubber spring 6, added 7 and motor fixed support 8.
Leather cup supporting cover 1 is annular.Leather cup supporting cover 1 is made for aluminium.In the outer periphery of leather cup supporting cover 1, be provided with nine installation gaps 11.
The upper end of rubber spring 6 is provided with the attachment hole 61 that connects front and rear surfaces.Rubber spring 6 is trapezoidal.Be set to trapezoidal not only steady but also effective to the bradyseism of up-down vibration.The front surface of rubber spring 6 is provided with the main spring locating stud 62 matching with main spring positioning hole 37.
Added 7 are made for aluminium.Added 7 is the arch sheet upwards arching upward.Added 7 two ends, left and right are respectively provided with two added positioning holes 71 that match with added locating stud 32 and an added portion mounting hole 72.Added 7 upper end rear side is provided with a second car body attachment hole 73.Base portion mounting hole 33 and added portion mounting hole 72 form the first car body attachment hole 9.
Motor fixed support 8 is provided with connecting rod 81 and strut 82 from back to front successively.Connecting rod 81 and strut 82 are "T"-shaped connection.Connecting rod 81 is provided with buckle 83.Strut 82 is provided with the motor mounting hole 84 that connects upper and lower surface.Motor mounting hole 84 has three.Certainly it is the same motor mounting hole 84 being changed to the effect that motor construction bolt connects motor, be just designed to attachment hole store in a warehouse more convenient than the mode that is designed to bolt when of the present invention.
Referring to Fig. 2, separate lotus root sheet 4 and comprise flake main body 41, in flake main body, be provided with 11 row four row and amount to 44 friction levers 42.Friction lever 42 is provided with damping hole 43.
Referring to Fig. 3, friction lever 42 connects the upper and lower surface of flake main body 41.Damping hole 43 is along the axial perforation friction lever 42 of friction lever.
Referring to Fig. 4, two the first car body attachment holes 9 and the distribution triangular in shape of the second car body attachment hole 73.Four added locating stud 32 correspondences are located in four added positioning holes 71.
Referring to Fig. 5, added 7 and base 3 form to embrace and be clipped in the loop configuration on rubber spring 6.
In attachment hole 61, be provided with connecting sleeve 63.Connecting sleeve 63 sulfurations are in attachment hole 61.Connecting rod 81 is inserted in attachment hole 61.Connecting rod 81 is referring to Fig. 1 by the buckle 83(on it) with connecting sleeve 63, be connected together and be fixed.
Main spring locating stud 62 is located in the interior location, left and right of realizing rubber spring 6 of main spring positioning hole 37.
The lower end surface of rubber spring 6 is provided with cavity 64.The lower end surface of rubber spring 6 is combined on step 35 by dividing plate 5 sealing pastes.Dividing plate 5 coordinates dividing plate positioning hole 52(referring to Fig. 1 by dividing plate locating stud 38) be positioned on step 35.Separate lotus root sheet 4 between flaps 36 and dividing plate 5.
Resistive plate portion gap 361 and partition board portion gap 51 form the liquid chunnel 93 that is communicated with secondary liquid chamber 91 and main liquid chamber 92.
The cavity that is positioned at body of rubber 5 and base 3 that need to be sealed out by leather cup 2 in secondary liquid chamber 91, main liquid chamber 92 and liquid chunnel 93 etc. before use is filled with damping fluid, does not leave air otherwise can affect damping effect.
Referring to Fig. 6, added 7 and the joint of base 3 be provided with adjusting play 74.
Corresponding to after two the first car body attachment holes 9 and the second car body attachment hole 73, the present invention being fixed on car body 100 by screw during use.By the fixed hole 102 on screw bolt passes motor 101 and motor mounting hole 84(referring to Fig. 1) after motor 101 is fixed in the present invention.This design makes that motor top is less than motor with the distance between top of the present invention high-endly adds height sum of the present invention, plays the effect of dwindling spatial altitude.When motor 101 produces horizontal vibration simultaneously, the shearing force of substantially horizontal is not easy engine mounting bracket to shear and open with rubber.
Claims (4)
1. an engine hydraulic mount, comprise base and be arranged on the rubber spring on base, between described rubber spring and described base, be provided with main liquid chamber and secondary liquid chamber, between main liquid chamber and secondary liquid chamber, be provided with liquid chunnel, it is characterized in that, also comprise added and motor fixed support, described added and base looping structure, described loop configuration is embraced and is clipped on described rubber spring, the support bracket fastened one end of described motor is fixed on the end face of same described loop configuration place plane parallel of described body of rubber, the support bracket fastened the other end of described motor is provided with installs mounting hole or the bolt that motor is used, described motor fixed support, main liquid chamber and secondary liquid chamber three are arranged in order from top to down, engine hydraulic mount also comprises leather cup, the lower end surface of described rubber spring is provided with cavity, described base is provided with the through hole that connects upper and lower end face, in described through hole, be provided with step and flaps, the lower end of described through hole is by described cup packing, the lower end surface sealing paste of described rubber spring is combined on described step, described flaps and described cavity surround described main liquid chamber, described flaps, described through hole and described leather cup three surround described secondary liquid chamber, described flaps is provided with the resistive plate portion gap that forms described liquid chunnel, between described main liquid chamber and described secondary liquid chamber, be provided with dividing plate, between described dividing plate and described flaps, be provided with decoupling zero sheet, described dividing plate is provided with the partition board portion gap that forms described liquid chunnel, described decoupling zero sheet is arranged in described main liquid chamber, described decoupling zero sheet comprises flake main body and the some friction levers that run through flake main body, described friction lever is provided with along the axially extended damping hole of friction lever, described added and described base is Split type structure, and described joint added and described base is provided with adjusting play, described loop configuration is provided with at least two and connects described base and the first added car body attachment hole, described the first car body attachment hole is positioned at the both sides of described rubber spring, described base and addedly link together by described the first car body attachment hole, described added upper end is provided with the second car body attachment hole, described the first car body attachment hole and the distribution triangular in shape of the second car body attachment hole.
2. engine hydraulic mount according to claim 1, is characterized in that, described rubber spring is provided with attachment hole, and described motor fixed support can be connected in the attachment hole on described rubber spring to plug.
3. engine hydraulic mount according to claim 2, is characterized in that, in the attachment hole on described rubber spring, sulfuration has connecting sleeve, and described motor fixed support links together with the attachment hole on described rubber spring by described connecting sleeve.
4. engine hydraulic mount according to claim 3, is characterized in that, between described engine support and described connecting sleeve, is provided with buckle, and described motor fixed support is connected in described connecting sleeve by described buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110449156.4A CN102588501B (en) | 2011-12-29 | 2011-12-29 | Hydraulic suspension of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110449156.4A CN102588501B (en) | 2011-12-29 | 2011-12-29 | Hydraulic suspension of engine |
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| Publication Number | Publication Date |
|---|---|
| CN102588501A CN102588501A (en) | 2012-07-18 |
| CN102588501B true CN102588501B (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110449156.4A Active CN102588501B (en) | 2011-12-29 | 2011-12-29 | Hydraulic suspension of engine |
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| CN (1) | CN102588501B (en) |
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| CN105041958A (en) * | 2015-07-17 | 2015-11-11 | 瑞安市恒盛汽车零部件有限公司 | Hydraulic shock absorption support for engine |
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| CN107289064B (en) * | 2016-03-31 | 2019-07-26 | 住友理工株式会社 | Square fluid-sealed vibration-damping device |
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| Publication number | Publication date |
|---|---|
| CN102588501A (en) | 2012-07-18 |
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Effective date of registration: 20191230 Address after: No.71, Guanhai Road, Chunxiao Town, Beilun District, Ningbo, Zhejiang 315800 Patentee after: Pan American auto parts (Ningbo) Co., Ltd Address before: Seven road 315830 in Zhejiang province Ningbo city Beilun District Chunxiao No. 81 Patentee before: Ningbo Fanya Auto Parts Co., Ltd. |