CN208343911U - The passive hydraulic suspension structure of rectification type - Google Patents
The passive hydraulic suspension structure of rectification type Download PDFInfo
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- CN208343911U CN208343911U CN201821036126.4U CN201821036126U CN208343911U CN 208343911 U CN208343911 U CN 208343911U CN 201821036126 U CN201821036126 U CN 201821036126U CN 208343911 U CN208343911 U CN 208343911U
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- suspension
- rectifier
- isolating body
- liquid chamber
- lower clapboard
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Abstract
The utility model relates to a kind of passive hydraulic suspension structures of rectification type, belong to dynamic assembly suspension technical field.Upper installation bolt is fixed on metallic framework, metallic framework, rubber spring and suspension shell are an integral structure, upper isolating body, lower clapboard, rectifier, flow plug and decoupling dish are provided in suspension shell, suspension shell is fixedly connected with suspension bottom case, the lower end of suspension shell is provided with rubber counterdies, the lower surface of the upper isolating body and the upper surface of lower clapboard fit, and flow plug, rectifier, decoupling dish are provided between upper isolating body and lower clapboard, effectively reduce the transmitting of vibration.Advantage is: novel, structure is simple, using conveniently, safely.Rectifier is arranged in inertia channel, so that inertia channel flow field is more uniform, improves the damping of inertia channel flow field, achievees the purpose that reduce suspension low frequency dynamic stiffness, improve low frequency vibration isolation performance.
Description
Technical field
The utility model relates to dynamic assembly suspension technical field, in particular to a kind of passive hydraulic mount knot of rectification type
Structure.
Background technique
Automobile power assembly is mounted on vehicle chassis, passes through dynamic assembly suspension connecting vehicle frame and power assembly；Power
While assembly is suspended at support power assembly, it is necessary to have reduce the work for the vibration transmitted mutually between engine and vehicle body
With, guarantee engine the function of moving in narrow enging cabin is limited under various operating conditions.
Traditional passive hydraulic mount is by rubber spring, inertia channel, decoupling film or decoupling dish, connection bolt and rubber-sole
Film etc. is constituted.When hydraulic mount is motivated by low frequency big displacement, decouples film or decoupling dish and reach capacity position, decouple channel
It closes, liquid mainly passes through inertia channel and flows between upper liquid chamber, lower liquid chamber, generates low frequency petty action stiffness characteristics；And when sharp
When encouraging as high frequency thin tail sheep, liquid is closed due to there is dynamic hardening in inertia channel, and liquid mainly exists by decoupling channel
It is flowed between upper liquid chamber, lower liquid chamber, achievees the purpose that reduce high frequency dynamic stiffness.But under the excitation of low frequency big displacement, existing skill
The passive hydraulic mount of art has biggish fluid damping due to the appearance of turbulent flow in inertia channel, leads to its low frequency dynamic stiffness
Still higher, vibration isolation capability is weaker.Urgently improve.
Summary of the invention
The purpose of this utility model is to provide a kind of passive hydraulic suspension structures of rectification type, solve prior art presence
Passive hydraulic mount components under the excitation of low frequency big displacement the excessively high problem of the dynamic stiffness that occurs.
The above-mentioned purpose of the utility model is achieved through the following technical solutions:
The passive hydraulic suspension structure of rectification type, upper installation bolt 1 are fixed on metallic framework 2, metallic framework 2, rubber master
Spring 3 and suspension shell 4 are an integral structure, and are provided with upper isolating body 11, lower clapboard 10, rectifier 13, choked flow in suspension shell 4
Device 16 and decoupling dish 9, suspension shell 4 are fixedly connected with suspension bottom case 6, and the lower end of suspension shell 4 is provided with rubber counterdies 5,
Lower installation bolt 8 is fixed on suspension bottom case 6；The lower surface of the upper isolating body 11 and the upper surface of lower clapboard 10 fit, on
It is provided with flow plug 16, rectifier 13, decoupling dish 9 between spacer 11 and lower clapboard 10, effectively reduces the transmitting of vibration.
The rubber spring 3, suspension shell 4 and upper isolating body 11 surround upper liquid chamber 15, rubber counterdies 5, suspension shell 4 and
Lower clapboard 10 surrounds lower liquid chamber 7.
Columned decoupling channel 14 is arranged in the upper isolating body 11 and 10 the center point of lower clapboard, and the decoupling channel 14 is divided
It is not connected to upper liquid chamber 15 and lower liquid chamber 7, decoupling dish 9 are arranged in channel 14 in decoupling, and the movement travel of decoupling dish 9 is by upper isolating body 11
It is limited with the installation site of lower clapboard 10.
Upper isolating body 11,10 excircle of lower clapboard and the suspension shell 4 surrounds circular inertia channel 12, and inertia is logical
Road 12 is connected to upper liquid chamber 15 and lower liquid chamber 7 respectively, and rectifier 13 and flow plug 16 are arranged in inertia channel 12.
The rectifier 13 rotates in fixed axis in inertia channel.
The rectifier 13 is made of rigidly connected inner ring and outer rings, and the upper surface of rectifier 13 againsts upper isolating body
11, lower surface againsts lower clapboard 10, sticks spacer 11 on the inside of inner ring, and suspension shell 4 is against on the outside of outer ring；Upper isolating body 11 is equipped with
The hole being connected with upper liquid chamber 15, inertia channel 12, lower clapboard 10 are equipped with the hole being connected with inertia channel 12, lower liquid chamber 7.In low frequency
Under big displacement effect, the liquid from upper liquid chamber 15 is by inertia channel 12, and into lower liquid chamber 7, the liquid of same lower liquid chamber 7 is logical
It crosses inertia channel 12 and flows into upper liquid chamber 15, for the vibration of low frequency big displacement to be isolated.Rectifier 13 in inertia channel 12 with
Liquid rotates in fixed axis together, and rectifier 13 can make the speed of fluid in inertia channel 12 more uniform, can further improve
Vibration isolation capability.
The flow plug 16 is close to the inner wall of 13 outer ring of rectifier and the outer wall of inner ring, the flow plug 16 and upper isolating body
11 rigid connections.
The utility model has the beneficial effects that: novel, structure is simple, using conveniently, safely.In inertia channel
Increase rectifier, so that more uniform in inertia channel inner fluid speed, the damping of inertia channel flow field is smaller, reaches reduction liquid
Hydraulic suspension low frequency dynamic stiffness, the purpose for promoting low frequency vibration isolation performance.Due to the effect of rectifier, reduces inertia channel flow field and go out
A possibility that existing turbulent flow so that hydraulic mount is under the effect of larger amplitude displacement excitation, low frequency dynamic stiffness remain to maintain compared with
The purpose of low value.It is practical.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The illustrative example and its explanation of the utility model do not constitute the improper limit to the utility model for explaining the utility model
It is fixed.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the A-A schematic cross-sectional view of Fig. 1；
Fig. 3 is that the interior of Fig. 2 cuts open structure partial enlarged diagram；
Fig. 4 is the schematic cross-sectional view of the rectifier of the utility model；
Fig. 5 is the schematic top plan view of the inertia channel upper isolating body of the utility model；
Fig. 6 is the schematic top plan view of the inertia channel lower clapboard of the utility model；
Fig. 7 is the schematic top plan view of the decoupling dish of the utility model.
In figure: 1, upper installation bolt；2, metallic framework；3, rubber spring；4, shell is suspended；5, rubber counterdies；6, it suspends
Bottom case；7, lower liquid chamber；8, lower installation bolt；9, decoupling dish；10, lower clapboard；11, upper isolating body；12, inertia channel；13, it rectifies
Device；14, channel is decoupled；15, upper liquid chamber；16, flow plug.
Specific embodiment
The detailed content and its specific embodiment of the utility model are further illustrated with reference to the accompanying drawing.
Embodiment 1:
Referring to shown in Fig. 1 to Fig. 7, rectifier setting is being used to by the passive hydraulic suspension structure of the rectification type of the utility model
Property channel in so that inertia channel flow field is more uniform, improve the damping of inertia channel flow field, it is dynamic rigid to reach reduction suspension low frequency
Degree, the purpose for improving low frequency vibration isolation performance.Specific structure includes upper installation bolt 1, metallic framework 2, rubber spring 3, suspension shell
Body 4, rubber counterdies 5, suspension bottom case 6, lower installation bolt 8, decoupling dish 9, lower clapboard 10, upper isolating body 11, flow plug 16, it is described
Upper installation bolt 1 is fixed on metallic framework 2, and metallic framework 2, rubber spring 3 and suspension shell 4 are an integral structure, outstanding
It sets and is provided with upper isolating body 11, lower clapboard 10, rectifier 13, flow plug 16 and decoupling dish 9 in shell 4, suspension shell 4 and suspension bottom
Shell 6 is fixedly connected, and the lower end of suspension shell 4 is provided with rubber counterdies 5, lower installation bolt 8 is fixed on suspension bottom case 6；Institute
The upper surface of the lower surface and lower clapboard 10 of stating upper isolating body 11 fits, and is provided with flow plug between upper isolating body 11 and lower clapboard 10
16, rectifier 13, decoupling dish 9, effectively reduce the transmitting of vibration.
The rubber spring 3, suspension shell 4 and upper isolating body 11 surround upper liquid chamber 15, rubber counterdies 5, suspension shell 4 and
Lower clapboard 10 surrounds lower liquid chamber 7.
Columned decoupling channel 14 is arranged in the upper isolating body 11 and 10 the center point of lower clapboard, and the decoupling channel 14 is divided
It is not connected to upper liquid chamber 15 and lower liquid chamber 7, decoupling dish 9 are arranged in channel 14 in decoupling, and the movement travel of decoupling dish 9 is by upper isolating body 11
It is limited with the installation site of lower clapboard 10, for the vibration of high frequency thin tail sheep to be isolated.
Upper isolating body 11,10 excircle of lower clapboard and the suspension shell 4 surrounds circular inertia channel 12, and inertia is logical
Road 12 is connected to upper liquid chamber 15 and lower liquid chamber 7 respectively, and rectifier 13 and flow plug 16 are arranged in inertia channel 12.Flow plug 16
Prevent inertia channel from constituting complete circle circuit, guarantees that liquid medium flows in inertia channel around a direction.
The rectifier 13 rotates in fixed axis in inertia channel.
The rectifier 13 is made of rigidly connected inner ring and outer rings, and the upper surface of rectifier 13 againsts upper isolating body
11, lower surface againsts lower clapboard 10, sticks spacer 11 on the inside of inner ring, and suspension shell 4 is against on the outside of outer ring；Upper isolating body 11 is equipped with
The hole being connected with upper liquid chamber 15, inertia channel 12, lower clapboard 10 are equipped with the hole being connected with inertia channel 12, lower liquid chamber 7.In low frequency
Under big displacement effect, the liquid from upper liquid chamber 15 is by inertia channel 12, and into lower liquid chamber 7, the liquid of same lower liquid chamber 7 is logical
It crosses inertia channel 12 and flows into upper liquid chamber 15, for the vibration of low frequency big displacement to be isolated.Rectifier 13 in inertia channel 12 with
Liquid rotates in fixed axis together, and rectifier 13 can make the speed of fluid in inertia channel 12 more uniform, can further improve
Vibration isolation capability.
The flow plug 16 is close to the inner wall of 13 outer ring of rectifier and the outer wall of inner ring, the flow plug 16 and upper isolating body
11 rigid connections, to guarantee that the rectifier 13 rotates in fixed axis.
Embodiment 2:
In the present embodiment, the other structures of hydraulic mount are all the same, distinguish in the structure of upper isolating body 11.Upper isolating body 11 with
It is not bonded completely on the inside of 13 inner ring of rectifier, causes to contact on the inside of 13 inner ring of rectifier with fluid in lower liquid chamber 7, be used to
Property channel 12 be really area that 13 inner ring outer profile of rectifier, outer ring Internal periphery and upper isolating body 11 and lower clapboard 10 are surrounded
Domain.In this way, External airflow field can be further decreased to the inhibition of rectifier 13, and then reduces the damping of inertia channel, reaches
To the purpose for further decreasing low frequency dynamic stiffness.
The foregoing is merely the preferred embodiments of the utility model, are not intended to limit the utility model, for ability
For the technical staff in domain, various modifications and changes may be made to the present invention.It is all to made by the utility model it is any modification,
Equivalent replacement, improvement etc., should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of passive hydraulic suspension structure of rectification type, it is characterised in that: bolt (1) is above installed and is fixed on metallic framework (2),
Metallic framework (2), rubber spring (3) and suspension shell (4) are an integral structure, and are provided with upper isolating body in suspension shell (4)
(11), lower clapboard (10), rectifier (13), flow plug (16) and decoupling dish (9), suspension shell (4) and suspension bottom case (6) are fixed
Connection is provided with rubber counterdies (5) in the lower end of suspension shell (4), and lower installation bolt (8) is fixed in suspension bottom case (6)；Institute
The upper surface of the lower surface and lower clapboard (10) of stating upper isolating body (11) fits, and is arranged between upper isolating body (11) and lower clapboard (10)
There are flow plug (16), rectifier (13), decoupling dish (9).
2. the passive hydraulic suspension structure of rectification type according to claim 1, it is characterised in that: the rubber spring (3),
Suspension shell (4) and upper isolating body (11) surround upper liquid chamber (15), and rubber counterdies (5), suspension shell (4) and lower clapboard (10) surround
Lower liquid chamber (7).
3. the passive hydraulic suspension structure of rectification type according to claim 1, it is characterised in that: the upper isolating body (11) and
Lower clapboard (10) the center point is arranged columned decoupling channel (14), the decoupling channel (14) respectively with upper liquid chamber (15) and under
Decoupling dish (9) are arranged in decoupling channel (14) in liquid chamber (7) connection, the movement travels of decoupling dish (9) by upper isolating body (11) and under every
The installation site of plate (10) limits.
4. the passive hydraulic suspension structure of rectification type according to claim 1, it is characterised in that: the upper isolating body (11),
Lower clapboard (10) excircle and suspension shell (4) surround circular inertia channel (12), inertia channel (12) respectively with upper liquid
Room (15) is connected to lower liquid chamber (7), setting rectifier (13) and flow plug (16) in inertia channel (12).
5. the passive hydraulic suspension structure of rectification type according to claim 1 or 4, it is characterised in that: the rectifier
(13) it rotates in fixed axis in inertia channel.
6. the passive hydraulic suspension structure of rectification type according to claim 5, it is characterised in that: the rectifier (13) by
Rigidly connected inner ring and outer rings composition, the upper surface of rectifier (13) against upper isolating body (11), and lower surface againsts lower clapboard
(10), it is sticked spacer (11) on the inside of inner ring, suspension shell (4) is against on the outside of outer ring；Upper isolating body (11) is equipped with and upper liquid chamber
(15), the connected hole of inertia channel (12), lower clapboard (10) are equipped with the hole being connected with inertia channel (12), lower liquid chamber (7).
7. the passive hydraulic suspension structure of rectification type according to claim 1, it is characterised in that: the flow plug (16) is tight
The inner wall of rectifier (13) outer ring and the outer wall of inner ring are pasted, the flow plug (16) and upper isolating body (11) are rigidly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821036126.4U CN208343911U (en) | 2018-07-03 | 2018-07-03 | The passive hydraulic suspension structure of rectification type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821036126.4U CN208343911U (en) | 2018-07-03 | 2018-07-03 | The passive hydraulic suspension structure of rectification type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208343911U true CN208343911U (en) | 2019-01-08 |
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ID=64881514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821036126.4U Active CN208343911U (en) | 2018-07-03 | 2018-07-03 | The passive hydraulic suspension structure of rectification type |
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| Country | Link |
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| CN (1) | CN208343911U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154731A (en) * | 2019-05-23 | 2019-08-23 | 安徽江淮汽车集团股份有限公司 | Rod-pulling type mounting assembly |
| CN110630678A (en) * | 2019-09-23 | 2019-12-31 | 安徽誉林汽车部件有限公司 | Engine hydraulic suspension structure capable of prolonging inertia channel |
| CN113263894A (en) * | 2021-04-21 | 2021-08-17 | 浙江零跑科技股份有限公司 | Left side suspension structure and car thereof |
| CN113446348A (en) * | 2021-07-02 | 2021-09-28 | 安徽誉林汽车部件有限公司 | Hydraulic mount with segmented inertial channel |
-
2018
- 2018-07-03 CN CN201821036126.4U patent/CN208343911U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154731A (en) * | 2019-05-23 | 2019-08-23 | 安徽江淮汽车集团股份有限公司 | Rod-pulling type mounting assembly |
| CN110630678A (en) * | 2019-09-23 | 2019-12-31 | 安徽誉林汽车部件有限公司 | Engine hydraulic suspension structure capable of prolonging inertia channel |
| CN113263894A (en) * | 2021-04-21 | 2021-08-17 | 浙江零跑科技股份有限公司 | Left side suspension structure and car thereof |
| CN113446348A (en) * | 2021-07-02 | 2021-09-28 | 安徽誉林汽车部件有限公司 | Hydraulic mount with segmented inertial channel |
| CN113446348B (en) * | 2021-07-02 | 2024-01-26 | 安徽誉林汽车部件有限公司 | Hydraulic mount with segmented inertial channels |
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