CN102207148B - Anti-twisting pull rod type hydraulic mount system for automobile - Google Patents
Anti-twisting pull rod type hydraulic mount system for automobile Download PDFInfo
- Publication number
- CN102207148B CN102207148B CN2011100801519A CN201110080151A CN102207148B CN 102207148 B CN102207148 B CN 102207148B CN 2011100801519 A CN2011100801519 A CN 2011100801519A CN 201110080151 A CN201110080151 A CN 201110080151A CN 102207148 B CN102207148 B CN 102207148B
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- Prior art keywords
- rubber
- small end
- liquid chamber
- main spring
- component
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- 239000010985 leather Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 35
- 238000005987 sulfurization reaction Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 208000004141 microcephaly Diseases 0.000 claims description 2
- 238000013016 damping Methods 0.000 abstract description 28
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
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- Combined Devices Of Dampers And Springs (AREA)
Abstract
The invention provides an anti-twisting pull rod type hydraulic mount system for an automobile. The hydraulic mount system comprises a small end rubber vibration reduction component, a main spring connecting bracket component, a throttling component and a leather cup component, wherein the small end rubber vibration reduction component is arranged at one end of the main spring connecting bracket component; the throttling component and the leather cup component are arranged at the other end of the main spring connecting bracket component; the main spring connecting bracket component is connected with an automobile body side; and the small end rubber vibration reduction component is connected with a power assembly. A hydraulic damping structure is integrated in a large end, and the high dynamic characteristics of a hydraulic vibration reduction component are utilized, so that the anti-twisting pull rod type hydraulic mount system has high low-frequency large-damping high rigidity and high-frequency small-damping low rigidity and can better meet the requirement of people on the driving smoothness and noise, vibration and harshness (HVH) performance of the whole automobile.
Description
Technical field
The invention belongs to technical field of automobile engine, be specifically related to a kind of anti-pull-rod type hydraulic mount structure of turning round.
Background technique
In the past; Motor adopts, and anti-to turn round that pull-rod type suspends all be that the two-stage rubber shock-absorbing suspends; Shown in accompanying drawing 1: hold rubber damping spare 1 greatly, connect support 2 and small end rubber damping spare 3, the three is assembled into one, plays vibration isolation and attenuation vibration effect through large and small end rubber damping spare.Big end rubber damping assembly is connected with body side, and small end rubber damping spare is connected with the power assembly side, connects through connecting support in the middle of them.At first small end rubber damper one-level decay and isolate vibration that power assembly produces to being connected the support transmission, big then end rubber damper secondary decay are connected vibration on the support to the vehicle body transmission with isolation.The mounting structure of this type is simple, convenient, for horizontal power assembly, and the well restricted power assembly torsional direction displacement of this structure.But car load is driven smoothness to Along with people's and the NVH performance requirement becomes increasingly high, and people hope that power assembly suspension system should have good dynamic characteristic: the big rigidity of the big damping of low frequency, the characteristic of the little rigidity of the little damping of high frequency.Because the big big rigidity suspension system of damping is obvious to low frequency large-amplitude vibration vibration isolating effect; And the little rigidity suspension system of little damping is obvious for high frequency small amplitude motion vibration isolating effect.But traditional pull-rod type of turning round suspends employing rubber as damping material.Because of rubber is a kind of macromolecule nonlinear material, though show better elastic during low frequency, moving hardening phenomenon can appear during high frequency.So traditional turn round the demand that the pull-rod type rubber mounting can't better meet people.
Summary of the invention
The present invention avoids the deficiency of above-mentioned existing technology, and make the anti-pull-rod type of turning round suspend and had good dynamic characteristic: the characteristic of the big rigidity of the big damping of low frequency, the little rigidity of the little damping of high frequency, the present invention provides a kind of anti-pull-rod type hydraulic mount of turning round.The present invention utilizes small end rubber damping assembly, main spring bracket assembly, orifice union and leather cup modular construction; Anti-torsion-beam-type is suspended had good dynamic characteristic: the characteristic of the big rigidity of the big damping of low frequency, the little rigidity of the little damping of high frequency, can better satisfy people drive smoothness and NVH property to car load demand.
Technological scheme of the present invention is following:
Automobile of the present invention prevents turning round the pull-rod type hydraulic mount, and it comprises small end rubber damping assembly, main spring bracket assembly, orifice union and leather cup assembly.Said small end rubber shock-absorbing assembly is installed in the end that main spring connects bracket component, and orifice union is installed in the other end that main spring is connected bracket component with the leather cup assembly; Said main spring connects bracket component and is connected with body side, and small end rubber shock-absorbing assembly is connected with power assembly.
Said main spring connects the bracket component structure and comprises that core pipe, U type runner plate, rubber spring and stake body are sulfided into one and constitute; Said stake body is the little hollow elongate member of the big end of an end, and its small end has the mounting hole of small end rubber shock-absorbing assembly, and its big end sulfuration is provided with U type runner plate and rubber spring; Said core pipe is positioned at the rubber spring center, is sulfided into one; Said U type runner plate semi-surrounding is sulfided into one outside rubber spring; Be provided with the U type runner of sealing up and down between U type runner plate and stake body; Lean on big end one side of stake body and the stake body of said rubber spring are surrounded by liquid chamber jointly; And be pressed into stake body by orifice union and leather cup assembly from the lateral opening of the big end of stake body liquid chamber is sealed; Said orifice union is liquid chamber and back liquid chamber before the centre is separated into liquid chamber; Two ends through U type runner between the liquid chamber of front and back are communicated with, and in the said liquid chamber damp liquid are housed.
Said orifice union is made up of two throttling sheet therebetween a slice decoupling zero sheets; Leave throttle clearance between said throttling sheet and the decoupling zero sheet, and throttling sheet and decoupling zero sheet are provided with the throttle orifice that staggers each other.
Said microcephaly holds the rubber shock-absorbing assembly to be made up of small end outer sleeve, inner sleeve and the small end yielding rubber be located between them, and three's sulfuration is one, and integral body is pressed into and connects the little head end of support.
The present invention compares with existing technology and has the following advantages:
Original to turn round the pull-rod type big end shock absorber part that suspends be the characteristics of rubber structure because the present invention has broken through; And big end inner integrated the hydraulic damping structure; Utilize the good dynamic characteristic of liquid-springing assembly; Anti-torsion-beam-type is suspended had big rigidity of the big damping of good low frequency and the little rigidity of the little damping of high frequency, can better satisfy people drive smoothness and NVH property to car load demand.
Description of drawings
Fig. 1 is the existing part exploded perspective view of turning round the pull-rod type rubber mounting;
Fig. 2 is a part exploded perspective view of the present invention;
Fig. 3 is a main spring bracket modular construction schematic representation of the present invention;
Fig. 4 is the big end structure schematic representation of the present invention;
Fig. 5 is a small end rubber shock-absorbing assembly schematic representation of the present invention;
Fig. 6 is the schematic representation of a kind of orifice union of the present invention;
Fig. 7 is the A-A sectional drawing of Fig. 6;
Fig. 8 is a kind of U type runner plate schematic representation of the present invention;
Fig. 9 is the B-B sectional drawing of Fig. 8.
Embodiment
Below in conjunction with accompanying drawing invention is described further:
Referring to Fig. 2, the present invention is made up of small end rubber shock-absorbing assembly 4, main spring bracket assembly 5, orifice union 6 and leather cup assembly 7.The present invention is a monolithic construction, and small end rubber shock-absorbing assembly 4 is connected with power assembly, and main spring bracket assembly 5 is connected with vehicle body.
Referring to Fig. 5, small end rubber shock-absorbing assembly 4 is formed by outer tube 8, vibration isolation rubber 9 and the 10 whole sulfurations of interior pipe.
Participate in Fig. 3, main spring bracket assembly 5 by stake body 11, U type runner plate 12, core pipe 13 and rubber spring 14 be sulfided into one.Stake body 11 is the little hollow elongate member of the big end of an end, and its small end has the mounting hole of small end rubber shock-absorbing assembly 4, and big end sulfuration is provided with U type runner plate 12 and rubber spring 14.Core pipe 13 is positioned at rubber spring 14 centers, is sulfided into one; Said U type runner plate 12 semi-surroundings are sulfided into one outside rubber spring 14.11 of U type runner plate 12 and stake bodies are provided with the U type runner 15 of sealing up and down.Lean on stake body 11 big end one sides and the stake body 11 of rubber spring 14 are surrounded by liquid chamber 16 jointly; And be pressed into stake body 11 with liquid chamber 16 sealings from the lateral openings of stake body 11 big ends by orifice union 6 and leather cup assembly 7; Referring to Fig. 4; Said orifice union 6 is liquid chamber 17 and back liquid chamber 18 before the centre is separated into liquid chamber 16, and the two ends through U type runner 15 between the liquid chamber of front and back are communicated with, and in the said liquid chamber 16 damp liquid are housed.
Referring to Fig. 6 and Fig. 7, orifice union 6 is made up of throttling sheet 19 therebetween rubber decoupling zero sheets 20, leaves throttle clearance between throttling sheet 19 and the decoupling zero sheet 20, and throttling sheet 19 is provided with the throttle orifice 21 that staggers each other with decoupling zero sheet (20).
Referring to Fig. 8 and Fig. 9, U type runner plate 12 whole U-shapeds, the cross section is the plate structure that the punching press convex tendon is arranged.
The action principle of this device is following:
When power assembly produced vibrational excitation, vibration at first passed to small end rubber damping assembly 4, and receives the one-level vibration damping at this.Vibrate then from small end rubber damping assembly 4 and pass to main spring bracket assembly 5, and receive the secondary vibration damping herein.Because of the core pipe 5 in the main spring bracket assembly 5 is connected motionlessly with body side, when stake body 11 is vibrated, the rubber spring 14 that sulfides with it will deform, thereby liquid chamber 17 volumes change before causing, cause damp liquid play between the liquid chamber of front and back.For low frequency large amplitude twisting excitation, the pressure difference between the liquid chamber of front and back is bigger, causes 20 distortion of rubber decoupling zero sheet bigger, has closed the throttle orifice 21 on the orifice union 6, and damp liquid can only pass through U type passage 15 play between the liquid chamber of front and back.Owing to damp liquid through thin long U type runner 15, so the present invention can provide big rigidity and the damping greatly low frequency large-amplitude vibration of decaying.For the little amplitude torsional excitation of high frequency,, cause 20 distortion of rubber decoupling zero sheet very little because the pressure reduction of front and back liquid chamber is less.So the throttle orifice 21 on the orifice union 6 is an opening state.Damp liquid is directly through throttle orifice 21 play back and forth between the liquid chamber of front and back.The throttle orifice 21 of flowing through and lacking greatly owing to damp liquid is so the present invention can provide little rigidity and little damping to come the attenuate high frequency small amplitude motion.
Protection scope of the present invention is not limited to the above embodiments, and obviously, those skilled in the art can carry out various changes and distortion and do not depart from the scope of the present invention and spirit the present invention.If these changes and distortion belong in the scope of claim of the present invention and equivalent technologies thereof, then the intent of the present invention also comprises these changes and is out of shape interior.
Claims (2)
1. an automobile prevents turning round the pull-rod type hydraulic mount, and it comprises that main spring connects bracket component (5), small end rubber shock-absorbing assembly (4), orifice union (6) and leather cup assembly (7); It is characterized in that: said small end rubber shock-absorbing assembly (4) is installed in the end that main spring connects bracket component (5), and orifice union (6) is installed in the other end that main spring is connected bracket component (5) with leather cup assembly (7); Said main spring connects bracket component (5) and is connected with body side, and small end rubber shock-absorbing assembly (4) is connected with power assembly;
Said main spring connects bracket component and is sulfided into one by core pipe (13), U type runner plate (12), rubber spring (14) and stake body (11); Said stake body (11) is the little hollow elongate member of the big end of an end, and its small end has the mounting hole of small end rubber shock-absorbing assembly (4), and big end sulfuration is provided with U type runner plate (12) and rubber spring (14); Said core pipe (13) is positioned at rubber spring (14) center, is sulfided into one; Said U type runner plate (12) semi-surrounding is sulfided into one outside rubber spring (14); Be provided with the U type runner (15) of sealing up and down between said U type runner plate (12) and stake body (11); The stake body (11) that leans on of said rubber spring (14) holds a side and stake body (11) to be surrounded by liquid chamber (16) jointly greatly; And be pressed into stake body (11) by orifice union (6) and leather cup assembly (7) from the lateral opening of the big end of stake body (11) liquid chamber (16) is sealed; Said orifice union (6) is separated into preceding liquid chamber (17) and back liquid chamber (18) in the centre with liquid chamber (16); Two ends through U type runner (15) between the liquid chamber of front and back are communicated with, and said liquid chamber is equipped with damp liquid in (16);
Said orifice union (6) is made up of two throttling sheets (19) therebetween a slice decoupling zero sheets (20); Leave throttle clearance between said throttling sheet (19) and the decoupling zero sheet (20), and throttling sheet (19) and decoupling zero sheet (20) are provided with the throttle orifice (21) that staggers each other.
2. the anti-pull-rod type hydraulic mount of turning round of automobile according to claim 1; It is characterized in that: said microcephaly holds rubber shock-absorbing assembly (4) to be made up of small end outer sleeve (8), inner sleeve (10) and the small end yielding rubber (9) be located between them; Three's sulfuration is one, and integral body is pressed into the little head end of connection support.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011100801519A CN102207148B (en) | 2011-03-31 | 2011-03-31 | Anti-twisting pull rod type hydraulic mount system for automobile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011100801519A CN102207148B (en) | 2011-03-31 | 2011-03-31 | Anti-twisting pull rod type hydraulic mount system for automobile |
Publications (2)
Publication Number | Publication Date |
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CN102207148A CN102207148A (en) | 2011-10-05 |
CN102207148B true CN102207148B (en) | 2012-11-07 |
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CN2011100801519A Expired - Fee Related CN102207148B (en) | 2011-03-31 | 2011-03-31 | Anti-twisting pull rod type hydraulic mount system for automobile |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6154255B2 (en) * | 2013-09-06 | 2017-06-28 | 山下ゴム株式会社 | Torque rod and its manufacturing method |
CN110103695B (en) * | 2019-05-16 | 2024-04-30 | 佛山科学技术学院 | Composite torsion-proof pull rod vibration reduction structure |
CN110195762B (en) * | 2019-05-16 | 2024-02-13 | 佛山科学技术学院 | Hydraulic bushing type vibration damper with variable damping |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2766771B1 (en) * | 1997-07-30 | 1999-10-15 | Hutchinson | TORQUE RECOVERY LINK FOR INTERNAL COMBUSTION ENGINE |
GB2412151B (en) * | 2004-06-18 | 2006-04-26 | Tokai Rubber Ind Ltd | Torque rod |
JP4356641B2 (en) * | 2005-03-31 | 2009-11-04 | 東海ゴム工業株式会社 | Torque rod |
JP2009074633A (en) * | 2007-09-21 | 2009-04-09 | Bridgestone Corp | Torque rod |
JP5012746B2 (en) * | 2008-09-24 | 2012-08-29 | 日産自動車株式会社 | Liquid filled torque rod |
CN101396959A (en) * | 2008-10-31 | 2009-04-01 | 重庆长安汽车股份有限公司 | Suspension structure of engine |
CN201346983Y (en) * | 2008-12-19 | 2009-11-18 | 奇瑞汽车股份有限公司 | Torsion-resistance draw-rod type dynamic assembly suspending |
CN201554820U (en) * | 2009-09-25 | 2010-08-18 | 宁波拓普制动***有限公司 | Lightweight trapezoidal hydraulic mount |
CN202032033U (en) * | 2011-03-31 | 2011-11-09 | 重庆长安汽车股份有限公司 | Anti-twisting pull rod type hydraulic suspension structure |
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Granted publication date: 20121107 |