CN203082111U - Hydraulic suspension apparatus - Google Patents

Hydraulic suspension apparatus Download PDF

Info

Publication number
CN203082111U
CN203082111U CN 201220458336 CN201220458336U CN203082111U CN 203082111 U CN203082111 U CN 203082111U CN 201220458336 CN201220458336 CN 201220458336 CN 201220458336 U CN201220458336 U CN 201220458336U CN 203082111 U CN203082111 U CN 203082111U
Authority
CN
China
Prior art keywords
barrier film
hydraulic mount
mount device
flow guide
space
Prior art date
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.)
Expired - Fee Related
Application number
CN 201220458336
Other languages
Chinese (zh)
Inventor
福克尔·希尔施
福克尔·维特梅尔斯豪斯
埃贝哈德·佐默尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Carl Freudenberg KG filed Critical Carl Freudenberg KG
Priority to CN 201220458336 priority Critical patent/CN203082111U/en
Application granted granted Critical
Publication of CN203082111U publication Critical patent/CN203082111U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

This utility model discloses a hydraulic suspension apparatus, which comprises a housing (2). The housing defines a working space (3) and a compensating space (4). The working space(3) are separated from the compensating space (4) by a diaphragm and a counter flow unit (6) is provided between the working space (3) and a compensating space (4). The hydraulic suspension apparatus can be positioned within an automobile body for bearing an engine and performing dampening effect on the vibration caused by the engine. The utility model can easily and adjustably achieve the dampening effect and reduce noise.

Description

The hydraulic mount device
Technical field
The utility model relates to a kind of hydraulic mount device, it comprises housing, described housing defines working space and compensation space, and wherein said working space and compensation space are spaced from each other by barrier film, wherein is provided with flow guide device (6) between described working space and compensation space.
Background technique
Such hydraulic mount device is well-known.Known hydraulic mount device has supporting member and stressed member, and they are connected with each other by a spring body.Wherein said stressed member is integrated in the housing usually, and this housing and described spring body define a space, and working space just is set in this space.Working space is filled with damp liquid, and described damp liquid is squeezed in the compensation space under dynamic stress, vibrates between working space and compensation space in other words.The hydraulic mount device for example is installed in and is used for supporting engine in the automotive body, and damping shock absorption is carried out in the vibrations that should cause motor at this place.In order to realize the optimal damping damping, the constituent elements of hydraulic mount device must be complementary with the characteristic of motor.
The model utility content
The purpose of this utility model is to provide a kind of hydraulic mount device, and it can realize especially simply to the damping shock absorption of vibrations with to the shock absorbing of vibrations, and is adjustable, and it can carry out damping shock absorption to vibrations and generate to reduce noise.
In order to solve this task, a kind of hydraulic mount device is provided, it comprises housing, described housing defines working space and compensation space, wherein said working space and compensation space are spaced from each other by barrier film, wherein be provided with flow guide device between described working space and compensation space, this flow guide device and described barrier film are connected in series in the technical formation of function.
Described flow guide device also is the fluid column that influence is vibrated between working space and compensation space back and forth as described barrier film.The target of the described hydraulic mount device of the application is: under dynamic load, in damp liquid, form the eigen oscillation of a underdamping, under high frequency, this eigen oscillation purposively and has significantly reduced the dynamic stiffness of hydraulic mount device in a particular frequency range.What have advantage is to cause that the certain interference resonance of the vibrations of internal car noise can on purpose be weakened by a soft underprop in resonance range.By hydraulic mount device of the present invention, cause that the engine vibration of noise can be isolated with the vehicle remaining part better.Above-mentioned second target finished by setting and realization flow guide device.The geometrical shape of wherein said flow guide device so designs: the open approach that makes the weakening vibration (Tilgerschwingung) of damp liquid be weakened just to the barrier film in making it and being bearing in housing conforms to.Like this, described weakening vibration can strike on the positive stop of housing hardly, only produces very little noise.
Described flow guide device can be set in the compensation space, and is adjacent with described barrier film.This flow guide device has formed an independently component groups with described barrier film, has determined the frequency range and the descent amplitude of hydraulic mount device dynamic stiffness by this component groups.By changing the geometrical shape of some composed components in these two composed components, can change frequency range and descent amplitude.The composed component that other is important, for example spring body and positive stop remain unchanged.In addition, another flow guide device can be set, for example round the damp channel of described barrier film, wherein these element mutual functions connect.In described damp channel, the damp liquid that is positioned at damp channel has formed the eigen oscillation of a underdamping, and it has offset the rigid body eigen oscillation of the assembly (Aggregate) that the spring body by the hydraulic mount device will support in elastic supporting piece under low frequency.Can use components identical for different applicable cases, thereby reduce production costs.
Described flow guide device can comprise at least one cylindrical channel.Columniform passage can especially easily be made.In order to influence flowing of damp liquid, the wall of passage can have different geometrical shapies.For example, conduit wall can be straight fully or part is straight, recessed or protruding.Described flow guide device can have a big passage or a plurality of small channel, for example a plurality of holes.When formation had the flow guide device of a plurality of small channels, the surface friction drag that is produced concerned thereby obtain a kind of different damping with respect to damp liquid greater than the mode of execution that has only a passage.In addition, the adjustment of described passage realizes by the length and the cross sectional area that change flow guide device.
Described flow guide device can have cancellous bottom.Cancellous bottom has changed the damping relation of flow guide device with respect to damp liquid equally.This bottom has variable thickness, obtains areolation under the situation of thin bottom part, obtains a kind of tunnel like structure of being made up of many small channels under the situation of thick bottom.
Described barrier film can be configured to rigid member, and the open approach of described barrier film can limited by a positive stop structure respectively towards working space and compensation space one side.This positive stop structural limitations the open approach of described barrier film.By described barrier film is configured to rigid member, reduced the amount of deflection of described barrier film, and described barrier film can play barrier effect better under big amplitude.
Described positive stop structure can be associated with the outer periphery of barrier film.Known to grid formation positive stop, described grid is fixed in the housing in the barrier film both sides.If barrier film only is fixed by being positioned at outside positive stop structure, then the frictional loss that occurs when diaphragm movement is less, can design hydraulic mount device soft under dynamic load like this.Realized good weakening effect thus.
Described positive stop structure can be associated with the central authorities of barrier film.In this embodiment, can realize with above-mentioned positive stop structure corresponding to the identical advantage of the mode of execution of diaphragm edge.But this set can irrespectively design part corresponding to hydraulic mount device fringe region with barrier film.
Described barrier film can have at least one through hole.High when between working space and compensation space, occurring suddenly, because during pressure reduction that compression shock causes, through hole, for example a hole, partly assist pressure balance.Limited pressure peak like this, thereby and avoided compression shock and formed noise thus.
In described through hole, the disk of being made by elastic material can be set.In this embodiment, above-described pressure reduction is able to balance by the distortion of elastic material.
Another through hole can be set in described disk or a slit is set.Described slit can be designed as and makes that the relative wall in position is in contact with one another or maintains a certain distance each other in the slit.Pressure reduction emergent between working space and compensation space, that cause owing to compression shock can make the slit open in both cases, thereby has realized pressure balance between two spaces.This moment, described slit similar excess pressure valve was worked like that, i.e. authorized pressure balance just when surpassing a specific pressure only.
Described barrier film can have the limiting block block of being made by elastic material in a side at least.Described limiting block block can by around around chimb constitute, it is set on the one or both sides of barrier film.Make described positive stop body form the structural Sealing of the positive stop that is applied to housing like this, and further avoided the overcurrent of damp liquid.Like this, the iris action of barrier film is improved when large amplitude.Another advantage of described limiting block block is, owing to adopted elastic material, compression shock also can limited stop body absorb, and this has caused further noise to reduce.
Arranging a plurality of projections that form by elastic material in the circumferential distribution of described barrier film.These projections can be around around the part of chimb, perhaps also can be arranged on the barrier film with described chimb separated by a certain intervally.These projections for example can be designed to small granular, at first contact with the positive stop structure of housing, produce the active force that diaphragm movement is postponed, thereby have reduced the bounce-back speed of barrier film, and have reduced generating noise.With described chimb or be that they can not have influence on the sealing effect of barrier film at the chimb place with the ridge of described chimb along the advantage that projection had of setting separated by a distance at least.
Described barrier film can link to each other with housing by a flexible connecting element.By described connecting element, barrier film is maintained between the described positive stop structure or is maintained at the center.Thereby reduced friction, and reduced or avoided the inclination of barrier film at the diaphragm edge place.
Described connecting element can comprise a plurality of bridge members on the barrier film periphery arranged evenly, and the starting point of these bridge members is fixed on the barrier film, and terminal point is fixed on the housing.Like this, described barrier film is to link on the housing as trampoline.This means of fixation is very flexible, and described bridge member is very little to the influence of the dynamic characteristic of barrier film.Described bridge member can be set to make them to lean out from barrier film in tangent mode.Make bridge member elongated thus, and they have obtained bigger amount of deflection on direction of vibration, but they are rigidity on the plane vertical with direction of vibration.In this embodiment, bridge member can contact described terminal point respectively.
Described connecting element can be used the made consistent with the limiting block block, and with the positive stop body structure be one.In addition, described projection equally also can be integrated.So just simplified the process of making barrier film with add ons.
Description of drawings
Below by accompanying drawing detailed description some embodiments according to hydraulic mount device of the present utility model.These accompanying drawings schematically show respectively:
The viewgraph of cross-section of Fig. 1 hydraulic mount device;
The hydraulic mount device that Fig. 2 is shown in Figure 1, the flow guide device with convex shape;
The hydraulic mount device that Fig. 3 is shown in Figure 1 has a plurality of passages;
The hydraulic mount device that Fig. 4 is shown in Figure 1 has cancellous bottom;
Fig. 5 the outer periphery of barrier film sidle to limiting block block structured details;
Fig. 6 is in the limiting block block structured details of central authorities' trend of barrier film;
Fig. 7 is arranged on the limiting block block structured details of the upside and the downside of barrier film;
Fig. 8 is integrated in the details of the projection in the limiting block block;
The different shaping of Fig. 9 projection;
The different shaping of Figure 10 a to Figure 10 e chimb;
Figure 11 has the details of the barrier film of through hole;
The barrier film that Figure 12 is shown in Figure 11 is provided with disk in through hole;
The barrier film that Figure 13 is shown in Figure 12 is provided with the slit in through hole;
Figure 14 is fixed on barrier film on the housing by connecting element;
The plan view of a kind of barrier film of Figure 15 has the bridge jumper that leans out from barrier film in tangent mode;
The plan view of a kind of quadrilateral barrier film of Figure 16 has the bridge jumper that leans out from barrier film.
Embodiment
Fig. 1 shows the hydraulic mount device 1 that is used for support assembly, especially motor car engine.This hydraulic mount device 1 is made up of housing 2 that forms supporting member and stressed member 20.Described housing 2 and stressed member 20 are connected with each other by spring body 21.Housing 2, stressed member 20 and spring body 21 define working space 3 and compensation space 4, and wherein working space 3 and compensation space 4 are spaced from each other by barrier film 5.In addition, compensation space 4 also limits by another barrier film 22 of no pressure ground receiving volume.Be provided with a flow guide device 6 between working space 3 and compensation space 4, this flow guide device is set in the compensation space 4, and is adjacent with barrier film 5.This flow guide device 6 is made of a columniform passage 7 in this embodiment.Flow guide device 6 and barrier film 5 and the component groups that function is connected of damp channel 23 common formations that is provided with round barrier film 5, this component groups has been determined the dynamic characteristic of hydraulic mount device 1.Barrier film 5 is designed to rigid member, and the open approach of barrier film 5 is limited by a positive stop structure 9,10 respectively in the side towards working space 3 and compensation space 4.The outer periphery of these positive stop structures and barrier film is associated.
Fig. 2 shows the hydraulic mount device 1 according to Fig. 1.In this embodiment, the passage 7 of flow guide device 6 is protruding.
Fig. 3 shows the hydraulic mount device 1 according to Fig. 1.In this embodiment, flow guide device 6 is made up of the passage 7 of a plurality of parallel arrangements.
Fig. 4 shows the hydraulic mount device 1 according to Fig. 1.In this embodiment, the passage 7 of flow guide device 6 has a cancellous bottom 8 in the side towards compensation space 4.
As shown in Figure 1, Fig. 5 shows in detail the mode of execution of positive stop structure 9,10.
Fig. 6 shows an alternative arrangement of positive stop structure 9,10 in the hydraulic mount device shown in Figure 1.In this embodiment, barrier film 5 has a through hole 11 in the central, and wherein positive stop structure 9,10 just is set at here, thereby the central authorities of they and barrier film 5 are associated.
Fig. 7 shows the barrier film 5 that is used for hydraulic mount device 1 shown in Figure 1.Around the edge of this barrier film 5 is provided with at least in both sides around, the limiting block block 14,15 that constitutes by elastic material.
Fig. 8 shows the barrier film 5 that is used for hydraulic mount device 1 shown in Figure 1.Around the edge of this barrier film 5 is provided with at least in both sides around, the limiting block block 14,15 that constitutes by elastic material.In addition, these two limiting block blocks 14,15 have the projection 24 of arranging in circumferential distribution, and these projections surpass limiting block block 14,15. Limiting block block 14,15 is consistent with the material of described projection, and is configured to one, is connected with each other above the edge of barrier film 5.
Fig. 9 shows the various moulding of projection 24, these projections with on every side around geometrical shape constitute limiting block block 14,15, perhaps constitute limiting block block 14,15 individually.Described projection 24 can be parabola shaped, hemisphere, cylindrical, taper shape or butt frustoconic shape.Also can consider to adopt the combination of these geometrical shapies or other geometrical shape.
Figure 10 a to Figure 10 e shows around the various moulding of the limiting block block 14,15 of periphery formation.They can be fan-shaped, parabola shaped, trapezoidal, triangle shown in Figure 10 d shown in Figure 10 c shown in Figure 10 b or the rectangle shown in Figure 10 e shown in Figure 10 a.
Figure 11 shows the barrier film 5 that is used for hydraulic mount device 1 shown in Figure 1.In this embodiment, barrier film 5 has one and is arranged on central through hole 11, and this through hole is used for the pressure balance between working space 3 and the compensation space 4.
Figure 12 shows the barrier film 5 that is used for hydraulic mount device 1 shown in Figure 1.In this embodiment, barrier film 5 has a through hole 11 that is arranged on central authorities, is provided with a disk 12 of being made by elastic material in this through hole.
Figure 13 shows the barrier film 5 that is used for hydraulic mount device 1 shown in Figure 1.In this embodiment, barrier film 5 has a through hole 11 that is arranged on central authorities, is provided with a disk 12 of being made by elastic material in this through hole, wherein is provided with a slit 13 in described disk 13.
Figure 14 shows the barrier film 5 that is used for hydraulic mount device 1 shown in Figure 1, and this barrier film links to each other with housing 2 by a flexible connecting element 16.
Figure 15 shows a circular diaphragm that has a connecting element 16, and described connecting element is made of a plurality of bridge members 17 arranged evenly on the periphery of barrier film 5.The starting point 18 of bridge member is fixed on the barrier film 5, and advances towards housing direction with barrier film 5 tangently.The terminal point 19 of bridge member 17 is fixed on the housing 2.Connecting element 16 can use the material consistent with limiting block block 14,15, and is configured to one with limiting block block 14,15.Described bridge member 17 is connected with each other at its terminal point 19 places, thereby can be fixed in the housing 2 to form fit.
Figure 16 shows barrier film 5 as shown in figure 15, but in this embodiment, barrier film 5 has the quadrilateral basic side of edge rounding.Bridge member 17 is set on the minor face of barrier film 5 in the zone of corner, and interconnects at its terminal point 19 places.

Claims (15)

1. hydraulic mount device, it comprises housing (2), described housing defines working space (3) and compensation space (4), wherein said working space (3) and compensation space (4) are spaced from each other by barrier film (5), it is characterized in that, be provided with flow guide device (6) between described working space (3) and compensation space (4), this flow guide device and described barrier film (5) are connected in series in the technical formation of function.
2. hydraulic mount device as claimed in claim 1 is characterized in that, described flow guide device (6) is set in the described compensation space (4), and is adjacent with described barrier film (5).
3. hydraulic mount device as claimed in claim 1 or 2 is characterized in that, described flow guide device (6) comprises at least one cylindrical channel (7).
4. hydraulic mount device as claimed in claim 1 or 2 is characterized in that, described flow guide device (6) has cancellous bottom (8).
5. hydraulic mount device as claimed in claim 1, it is characterized in that, described barrier film (5) is configured to the member of rigidity, and the open approach of described barrier film (5) is being limited by a positive stop structure (9,10) respectively towards working space (3) and compensation space (4) one sides.
6. hydraulic mount device as claimed in claim 5 is characterized in that, described positive stop structure (9,10) is associated with the outer periphery of barrier film (5).
7. hydraulic mount device as claimed in claim 5 is characterized in that, described positive stop structure (9,10) is associated with the central authorities of barrier film (5).
8. hydraulic mount device as claimed in claim 1 is characterized in that, described barrier film (5) has at least one through hole (11).
9. hydraulic mount device as claimed in claim 8 is characterized in that, is provided with a disk (12) of being made by elastic material in described through hole (11).
10. hydraulic mount device as claimed in claim 9 is characterized in that, is provided with another through hole (13) or is provided with a slit in described disk (12).
11. hydraulic mount device as claimed in claim 1 is characterized in that, described barrier film (5) has the limiting block block of being made by elastic material (14,15) in a side at least.
12. hydraulic mount device as claimed in claim 1 is characterized in that, arranged evenly on the periphery of described barrier film (5) have a plurality of projections that formed by elastic material (24).
13. hydraulic mount device as claimed in claim 1 is characterized in that, described barrier film (5) links to each other with described housing (2) by a flexible connecting element (16).
14. hydraulic mount device as claimed in claim 13, it is characterized in that, described connecting element (16) comprises a plurality of bridge members arranged evenly on the periphery of described barrier film (5) (17), the starting point of these bridge members (18) is fixed on the described barrier film (5), and the terminal point of these bridge members (19) is fixed on the described housing (2).
15., it is characterized in that the material that described connecting element (16) is used and described limiting block block (14,15) is consistent constitutes as claim 13 or 14 described hydraulic mount devices, and be configured to one with described limiting block block (14,15).
CN 201220458336 2012-09-10 2012-09-10 Hydraulic suspension apparatus Expired - Fee Related CN203082111U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220458336 CN203082111U (en) 2012-09-10 2012-09-10 Hydraulic suspension apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220458336 CN203082111U (en) 2012-09-10 2012-09-10 Hydraulic suspension apparatus

Publications (1)

Publication Number Publication Date
CN203082111U true CN203082111U (en) 2013-07-24

Family

ID=48827952

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220458336 Expired - Fee Related CN203082111U (en) 2012-09-10 2012-09-10 Hydraulic suspension apparatus

Country Status (1)

Country Link
CN (1) CN203082111U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111251854A (en) * 2019-11-19 2020-06-09 浙江零跑科技有限公司 Hydraulic suspension of automobile engine
US11428290B2 (en) 2017-12-26 2022-08-30 Prospira Corporation Vibration isolating device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11428290B2 (en) 2017-12-26 2022-08-30 Prospira Corporation Vibration isolating device
CN111251854A (en) * 2019-11-19 2020-06-09 浙江零跑科技有限公司 Hydraulic suspension of automobile engine

Similar Documents

Publication Publication Date Title
CN101460762B (en) Vibration damper
KR101303562B1 (en) Air damping mount
US20170227084A1 (en) Vibration absorber
JP5264272B2 (en) Vibration isolator
US9200694B2 (en) Vibration damping device
JPS60179541A (en) Liquid charged power unit mount device
CN102725558A (en) Liquid-sealed vibration isolator
JP2010159873A (en) Cylindrical vibration isolating device of fluid encapsulation type
US20090079116A1 (en) Vibration damping device and method of manufacturing the same
JP6431795B2 (en) Fluid filled vibration isolator
KR101488318B1 (en) Engine-mount
KR20120049061A (en) Hydro mount for reducing dynamic characteristics
CN203082111U (en) Hydraulic suspension apparatus
WO2010119643A1 (en) Liquid-sealed vibration-isolating device
KR102258470B1 (en) Structure of engine mount
KR101324533B1 (en) Hydro engine mount
CN102395809A (en) Liquid-sealed vibration-isolating device
KR102169366B1 (en) Engine-mount
KR20110135302A (en) Air damping mount for length and breadth direction
CN210101306U (en) Hydraulic suspension and car
KR20110037685A (en) Hydro bush mount having united decoupler
US20030127783A1 (en) Hydraulic damping bearing
US20060138719A1 (en) Hydraulic antivibration device with a spacer
CN210047372U (en) Car seat bumper shock absorber reaches car seat including it
KR101845455B1 (en) Noise reduction structure for membrane of hydro mount for vehicle

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130724

Termination date: 20200910

CF01 Termination of patent right due to non-payment of annual fee