CN203962843U - Automobile power assembly half active control hydraulic pressure suspension - Google Patents
Automobile power assembly half active control hydraulic pressure suspension Download PDFInfo
- Publication number
- CN203962843U CN203962843U CN201420421831.1U CN201420421831U CN203962843U CN 203962843 U CN203962843 U CN 203962843U CN 201420421831 U CN201420421831 U CN 201420421831U CN 203962843 U CN203962843 U CN 203962843U
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- inertia channel
- channel body
- opening
- liquid chamber
- decoupling zero
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Abstract
A kind of automobile power assembly half active control hydraulic pressure suspension, it comprises the shell that suspends, upper liquid chamber is communicated with lower liquid chamber by the inertia channel on inertia channel body, air cavity is between decoupling zero diaphragm and inertia channel body, and air cavity is airtight cavity, described inertia channel body is provided with the opening being communicated with air cavity, the inwall of opening is frustoconic shape structure, and the inner diameter of open lower end is greater than the inner diameter of open upper end, rubber counterdie is provided with through hole, and through hole one end only and open communication, the through hole the other end is communicated with end bowl, in through hole, be provided with the obstruction with opening fitted seal, in end bowl, be provided with to control and stop up along the axially movable driving mechanism of opening, compared with prior art, the utlity model has stability in use better, working life is longer, absorbable vibration frequency band wider and car internal vibration and noise can effectively reduce various driving cycle time, and then make the good feature of travelling comfort of vehicle.
Description
Technical field
The utility model belongs to hydraulic mount technical field, particularly relates to a kind of automobile power assembly half active control hydraulic pressure suspension.
Background technique
At present, people require more and more higher to vehicle riding comfort, make traditional passive type dynamic assembly suspension can not meet well the requirement of isolation engine luggine.Half active control hydraulic pressure suspension can more effectively be decayed the vibration noise of motor to the transmission in car, compare with traditional passive suspending, half active control hydraulic pressure suspension have very significantly advantage as: adopt half ACTIVE CONTROL, realize low, high-frequency vibration isolation optimal damping characteristic, can in wider frequency band, effectively isolate the transmission of engine luggine and noise, especially vibration during engine idle.Automobile power assembly half active control hydraulic pressure suspension of prior art as: publication number is CN 101670776 B, the patent that name is called the Semi-active mount device of provided with electromagnetic valve discloses disclosed a kind of semi-actively controlled automobile power assembly hydraulic mount in text, it is comprised of hydraulic mount (20) and solenoid valve (12), described hydraulic mount (20) and solenoid valve (12) are connected by ultrasonic welding, solenoid valve (12) terminal is connected with socket by special car with controller terminal, described connecting bolt (1) is connected with plastic skeleton (2), its one end is provided with buffer stopper (17), the other end is connected with engine support by screw thread, the bottom connecting bolt (14) that is placed in hydraulic mount bottom (9) is connected with vehicle body, described hydraulic mount (20) is by the main spring of elasticity (3), flow passage cover plate (5), inertia channel body (7) and leather cup (10) form, the main spring of described elasticity (3) and flow passage cover plate (5) form a sealing sap cavity, for upper liquid chamber (18a), flow passage cover plate (5) and leather cup (10) form another sealing sap cavity, for lower liquid chamber (18b), described upper liquid chamber (18a) flows by inertia channel body (7) with the liquid in lower liquid chamber (18b), the one side of the liquid in described upper liquid chamber (18a) and decoupling zero film (6) is attached together, decoupling zero film (6) another side forms a sealed cavity or communicates with atmosphere with inertia channel body (7), also having publication number is CN 102401077A, the patent that name is called hydraulic suspension device and controlling method, control gear and automobile discloses disclosed a kind of hydraulic suspension device in text, comprise: shell suspends, one end of the described shell that suspends is provided with rubber bushing, and on described rubber bushing, be provided with link, described in the suspend the other end of shell be provided with connection housing, in the described shell that suspends, be provided with runner plate, between described runner plate and described rubber bushing, form the first liquid chamber, described runner plate is provided with rubber cup with described connection between housing, between described runner plate and described rubber cup, forms the second liquid chamber, in described runner plate, be provided with spiral flow channel, one end of described spiral flow channel is communicated with described the first liquid chamber, and the other end of described spiral flow channel is communicated with described the second liquid chamber, described the first liquid chamber is communicated with decoupling zero chamber, the indoor decoupling zero diaphragm that is provided with of described decoupling zero, described decoupling zero diaphragm is separated into described decoupling zero chamber the liquid chamber being communicated with described the first liquid chamber, and the air chamber being communicated with ambient atmosphere, in described air chamber and ambient atmosphere communicating passage, is provided with valve.The solenoid valve of these two patents is all arranged on the side of the shell that suspends, that is to say that solenoid valve exposes, and due to the environment very severe in engine compartment, not only temperature is very high, also usually face the erosions such as silt greasy dirt, these factors all may cause electromagnetic valve work to lose efficacy, thereby whole suspension members cannot reality be controlled normally, affect the damping property of whole suspending mechanism, therefore there is stability in use shorter problem in poor and working life.
Model utility content
The utility model for above problem, provide a kind of stability in use better and working life longer automobile power assembly half active control hydraulic pressure suspension.
The utility model overcomes the above problems technological scheme used: a kind of automobile power assembly half active control hydraulic pressure suspension with following structure is provided, it comprises the shell that suspends, one end of the described shell that suspends is provided with rubber spring, and the other end of the described shell that suspends is provided with end bowl, described suspending is provided with upper liquid chamber from top to bottom successively between shell and end bowl, decoupling zero film, air cavity, inertia channel body, lower liquid chamber and rubber counterdie, described upper liquid chamber is communicated with lower liquid chamber by the inertia channel on inertia channel body, described air cavity is between decoupling zero diaphragm and inertia channel body, and air cavity is airtight cavity, described inertia channel body is provided with the opening being communicated with air cavity, the inwall of described opening is frustoconic shape structure, and the inner diameter of open lower end is greater than the inner diameter of open upper end, described rubber counterdie is provided with through hole, and through hole one end only and open communication, the through hole the other end is communicated with end bowl, in described through hole, be provided with the obstruction with opening fitted seal, in described end bowl, be provided with to control and stop up along the axially movable driving mechanism of opening.
Adopt after above structure, compared with prior art, the utility model is because opening is arranged on inertia channel body, and rubber counterdie is provided with through hole, and through hole only and open communication, and driving mechanism is positioned at end bowl, make the utility model outer surface more regular, the external world is more difficult for scratching to driving mechanism and obstruction, and whole volume is less, structure is also compacter, and the spoilage of being convenient to storage and transportation is lower, is also more applicable in the engine compartment of limited space, driving mechanism and obstruction simultaneously is not subject to the impact of rugged environment in engine compartment, under the obstruct of end bowl, be not only engine compartment temperature, or silt greasy dirt etc. is all difficult for driving mechanism and obstruction to impact, thereby guaranteed stability in use and the reliability of driving mechanism and obstruction, and extended the working life of driving mechanism and obstruction, moreover be provided with the opening of frustoconic shape structure and stopped up accordingly, according to the diverse location being blocked in opening, making the useful area that opening is communicated with ambient air is S=∏ * (D
2-d
2)/4, wherein D is the diameter of opening maximum, d divides maximum diameter for obstruction is positioned at open interior, the useful area that opening and ambient air are communicated with different, make air cavity control more comprehensive to decoupling zero film deformability, no longer to only have minimum and maximum two states, but can be adjusted to the arbitrary state from minimum to maximum, the rigidity like this can more effective control suspending, and then the vibration of absorption full frequency band, make itself and the ideal stiffness curve that suspends more approaching, thereby make use of the present utility model more approach desirable effect, the travelling comfort of vehicle is better.Therefore the utlity model has stability in use better, working life is longer, absorbable vibration frequency band wider and car internal vibration and noise can effectively reduce various driving cycle time, and then make the good feature of travelling comfort of vehicle.
As improvement, described decoupling zero diaphragm is round structure, and decoupling zero diaphragm is positioned at the top at inertia channel body middle part, and described air cavity is the closed cavity between decoupling zero diaphragm and inertia channel body, and the inertia channel on described inertia channel body is " C " font structure; Decoupling zero diaphragm is positioned at behind the top at inertia channel body middle part, this just makes decoupling zero diaphragm larger on the impact of flow of fluid, make the volume stiffness variation of upper liquid chamber larger, can absorb from the more vibrational energy of power assembly, therefore the effect of vibration damping also just further improves.
As further improvement, the upper-end surface of described decoupling zero diaphragm is provided with the first annular protrusion, and the axis of the first described annular protrusion and the axis of decoupling zero diaphragm are on same straight line; After the first annular protrusion arranges, make upper liquid chamber when pressurized, liquid has the backflow phenomenon of an impact in the upper-end surface of decoupling zero diaphragm, and then absorbs from the more vibrational energy of power assembly while making flow of fluid, can further improve the effect of vibration damping of the present utility model and noise abatement.
As further improvement, described rubber counterdie is loop configuration, and in rubber counterdie, is equipped with annular axial projection, and described axial projection is connected with the lower end of inertia channel body, between the interior ring of described rubber counterdie and outer shroud, is wavy shaped configuration; Described lower liquid chamber is the cavity forming between rubber counterdie and inertia channel body; Such rubber counterdie deformability is better, at flow of fluid, can accept more liquid during to lower liquid chamber, absorb more vibrational energy, when rubber spring is replied, rubber counterdie can reset again rapidly simultaneously, shortens the time that rubber counterdie is subject to stress, and then the creep of minimizing rubber counterdie under stress phase, make efficiency of the present utility model higher, the effect of vibration damping and noise abatement is also better, and stability in use and reliability further improve.
As further improvement, the lower end of described inertia channel body is provided with the second annular protrusion being connected with axial projection, the outer circumferential face of described axial projection close end is provided with annular groove, and the inwall of the second described annular protrusion is provided with the annular radial protrusion spacing with groove fit; The inner peripheral surface of described axial projection close end is provided with pressure ring; After arranging like this, the sealing effect between inertia channel body and rubber counterdie is better, and then makes the liquid of lower liquid chamber more be difficult for entering into through hole (i.e. more difficult leakage), guarantees the stability in use of driving mechanism and obstruction; Join strength between inertia channel body and rubber counterdie is also higher simultaneously, and the situation that there will not be axial projection and the second annular protrusion to throw off, further improves stability in use of the present utility model and reliability.
As preferably, described driving mechanism is stepper motor; The control accuracy of stepper motor is higher, can be more fast accurately by occlusion adjustments to desired position, and the energy consumption of stepper motor is also applicable to use in vehicle.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model automobile power assembly half active control hydraulic pressure suspension.
Fig. 2 is the plan view after the utility model automobile power assembly half active control hydraulic pressure suspension decoupling zero diaphragm is connected with inertia channel body.
Fig. 3 is the structural representation of the utility model automobile power assembly half active control hydraulic pressure suspension inertia channel body.
As shown in the figure: 1, the shell that suspends, 2, rubber spring, 3, end bowl, 4, upper liquid chamber, 5, decoupling zero diaphragm, 6, air cavity, 7, inertia channel body, 8, lower liquid chamber, 9, rubber counterdie, 10, opening, 11, through hole, 12, stop up, 13, stepper motor, 14, the first annular protrusion, 15, axial projection, the 16, second annular protrusion, 17, groove, 18, radial protrusion, 19, pressure ring.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 1, Figure 2 and Figure 3, a kind of automobile power assembly half active control hydraulic pressure suspension is provided, it comprises that the shell 1 that suspends (also comprises other component certainly, but owing to not relating to the inventive point of the invention, therefore be not repeated at this), one end of the described shell 1 that suspends is provided with rubber spring 2, and the other end of the described shell 1 that suspends is provided with end bowl 3, described suspending is provided with upper liquid chamber 4 from top to bottom successively between shell 1 and end bowl 3, decoupling zero diaphragm 5, air cavity 6, inertia channel body 7, lower liquid chamber 8 and rubber counterdie 9, described upper liquid chamber 4 is communicated with lower liquid chamber 8 by the inertia channel on inertia channel body 7, described air cavity 6 is between decoupling zero diaphragm 5 and inertia channel body 7, and air cavity 4 is airtight cavity, described inertia channel body 7 is provided with the opening 10 being communicated with air cavity 6, the inwall of described opening 10 is frustoconic shape structure, and the inner diameter of opening 10 lower ends is greater than the inner diameter of opening 10 upper ends, described rubber counterdie 9 is provided with through hole 11, and through hole 11 one end are only communicated with opening 10, through hole 11 the other ends are communicated with end bowl 3, in described through hole 11, be provided with the obstruction 12 with opening 10 fitted seal, in described end bowl 3, be provided with to control and stop up 12 along the axially movable driving mechanism of opening 10.
Described driving mechanism is stepper motor 13, can certainly be cylinder or oil cylinder.
Described decoupling zero diaphragm 5 is round structure, and decoupling zero diaphragm 5 is positioned at the top at inertia channel body 7 middle parts, described air cavity 4 is the closed cavity between decoupling zero diaphragm 5 and inertia channel body 7, and the inertia channel on described inertia channel body 7 is " C " font structure.
The upper-end surface of described decoupling zero diaphragm 5 is provided with the first annular protrusion 14, and the axis of the first described annular protrusion 14 and the axis of decoupling zero diaphragm 5 are on same straight line.
Described rubber counterdie 9 is loop configuration, and in rubber counterdie 9, is equipped with annular axial projection 15, and described axial projection 15 is connected with the lower end of inertia channel body 7, between the interior ring of described rubber counterdie 9 and outer shroud, is wavy shaped configuration; Described lower liquid chamber 8 is the cavity forming between rubber counterdie 9 and inertia channel body 7.
The lower end of described inertia channel body 7 is provided with the second annular protrusion 16 being connected with axial projection 15, the outer circumferential face of described axial projection 15 close ends is provided with annular groove 17, and the inwall of the second described annular protrusion 16 is provided with and coordinates spacing annular radial protrusion 18 with groove 17; The inner peripheral surface of described axial projection 15 close ends is provided with pressure ring 19.
During work, power assembly is connected with rubber spring 2 by bolt, and power assembly excitation produces vibration and drives 2 pairs of upper liquid chambers 4 of rubber spring to do the motion that similar reciprocating pump is inhaled, so the variation that increases and dwindle occurs the volume of upper liquid chamber 4 continuously; When frequency is lower, liquid still can flow back and forth by the inertia channel on inertia channel body 7 between upper liquid chamber 4 and lower liquid chamber 8, to adapt to the Volume Changes of upper liquid chamber 4; Because wall and the mutual viscous between working fluid of inertia channel are resistive, liquid continuously rapidly by time can be subject to the resistance of inertia channel, and frequency when higher resistance larger; Hydraulic pressure reverse effect when this resistance shows as rubber spring 2 vibration, can absorb the vibrational energy from power assembly; When vibration frequency is larger, the resistance increment of the liquid that inertia channel passes through high-speed high frequency is to enough large, large to liquid cannot be passed through at all even, produces " obstruction " phenomenon of passage; Now decoupling zero diaphragm 5 variation with liquid chamber volume on adapting to dynamic deformation under liquid effects, the generation of vibration reaction to rubber spring 2 by liquid simultaneously, absorbs the vibrational energy from power assembly; During according to 13 energising of vibration frequency stepper motor, flexible rod on its start head promotes to stop up 12 under the effect of stepper motor 13, can control the diverse location that obstruction 12 is positioned at opening 10, make the resistance of air cavity 6 distortion different, form a pneumatic spring that deformation force is variable; And decoupling zero diaphragm 5 lower surfaces are while having air cavity 6 to support, self rigidity relatively also changes, makes the volume rigidity increase in upper liquid chamber 4 or reduces; And the volume rigidity of upper liquid chamber 4 can cause whole hydraulic mount to show different dynamic stiffness and damping, along with the increase of the volume rigidity of upper liquid chamber 4, the dynamic stiffness of hydraulic mount and damping are also along with increase; When stopping up 12 while opening completely, decoupling zero diaphragm 5 loses the pressure support ventilation of air cavity 6, and himself rigidity is less, thereby the volume rigidity of upper liquid chamber 4 becomes smaller; The volume rigidity that upper liquid chamber 4 is less can cause whole hydraulic mount to show relatively little dynamic stiffness and damping.Therefore, by to stepper motor 13 electric control, can realize half ACTIVE CONTROL to the dynamic characteristic that suspends, and can according to the vibrational energy of power assembly, regulate dynamic stiffness and the damping of whole hydraulic mount, make effectiveness in vibration suppression of the present utility model reach best state.
Above embodiment is only preferred embodiment of the present utility model, and the utility model is not limited only to above embodiment and has also allowed other structural change, allly in the utility model rights to independence claimed range, changes, and all belongs to the utility model protection domain.
Claims (6)
1. automobile power assembly half active control hydraulic pressure suspension, it comprises the shell that suspends (1), one end of the described shell that suspends (1) is provided with rubber spring (2), and the other end of the described shell that suspends (1) is provided with end bowl (3), it is characterized in that: between the described shell that suspends (1) and end bowl (3), be provided with successively from top to bottom upper liquid chamber (4), decoupling zero diaphragm (5), air cavity (6), inertia channel body (7), lower liquid chamber (8) and rubber counterdie (9), described upper liquid chamber (4) is communicated with lower liquid chamber (8) by the inertia channel on inertia channel body (7), described air cavity (6) is positioned between decoupling zero diaphragm (5) and inertia channel body (7), and air cavity (4) is airtight cavity, described inertia channel body (7) is provided with the opening (10) being communicated with air cavity (6), the inwall of described opening (10) is frustoconic shape structure, and the inner diameter of opening (10) lower end is greater than the inner diameter of opening (10) upper end, described rubber counterdie (9) is provided with through hole (11), and through hole (11) one end is only communicated with opening (10), through hole (11) the other end is communicated with end bowl (3), in described through hole (11), be provided with the obstruction (12) with opening (10) fitted seal, in described end bowl (3), be provided with to control and stop up (12) along the axially movable driving mechanism of opening (10).
2. automobile power assembly half active control hydraulic pressure suspension according to claim 1, is characterized in that: described driving mechanism is stepper motor (13).
3. automobile power assembly half active control hydraulic pressure suspension according to claim 1, it is characterized in that: described decoupling zero diaphragm (5) is round structure, and decoupling zero diaphragm (5) is positioned at the top at inertia channel body (7) middle part, described air cavity (4) is the closed cavity between decoupling zero diaphragm (5) and inertia channel body (7), and the inertia channel on described inertia channel body (7) is " C " font structure.
4. automobile power assembly half active control hydraulic pressure suspension according to claim 2, it is characterized in that: the upper-end surface of described decoupling zero diaphragm (5) is provided with the first annular protrusion (14), the axis of described the first annular protrusion (14) and the axis of decoupling zero diaphragm (5) are on same straight line.
5. automobile power assembly half active control hydraulic pressure suspension according to claim 1, it is characterized in that: described rubber counterdie (9) is loop configuration, and in rubber counterdie (9), be equipped with annular axial projection (15), described axial projection (15) is connected with the lower end of inertia channel body (7), between the interior ring of described rubber counterdie (9) and outer shroud, is wavy shaped configuration; Described lower liquid chamber (8) is the cavity forming between rubber counterdie (9) and inertia channel body (7).
6. automobile power assembly half active control hydraulic pressure suspension according to claim 5, it is characterized in that: the lower end of described inertia channel body (7) is provided with the second annular protrusion (16) being connected with axial projection (15), the outer circumferential face of described axial projection (15) close end is provided with annular groove (17), and the inwall of described the second annular protrusion (16) is provided with and coordinates spacing annular radial protrusion (18) with groove (17); The inner peripheral surface of described axial projection (15) close end is provided with pressure ring (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420421831.1U CN203962843U (en) | 2014-07-22 | 2014-07-22 | Automobile power assembly half active control hydraulic pressure suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420421831.1U CN203962843U (en) | 2014-07-22 | 2014-07-22 | Automobile power assembly half active control hydraulic pressure suspension |
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| Publication Number | Publication Date |
|---|---|
| CN203962843U true CN203962843U (en) | 2014-11-26 |
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|---|---|---|---|
| CN201420421831.1U Withdrawn - After Issue CN203962843U (en) | 2014-07-22 | 2014-07-22 | Automobile power assembly half active control hydraulic pressure suspension |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100673A (en) * | 2014-07-22 | 2014-10-15 | 建新赵氏集团有限公司 | Semi-active control hydraulic suspension for automobile powertrain |
| CN104565177A (en) * | 2014-12-20 | 2015-04-29 | 北京新能源汽车股份有限公司 | Runner assembly and engine suspension comprising same |
| CN105546024A (en) * | 2016-02-23 | 2016-05-04 | 重庆长安汽车股份有限公司 | Multi-mode semi-active hydraulic suspension |
| CN105673771A (en) * | 2016-04-11 | 2016-06-15 | 博戈橡胶金属（上海）有限公司 | Switching type semi-active engine mount |
| CN105822717A (en) * | 2016-05-04 | 2016-08-03 | 亚新科噪声与振动技术（安徽）有限公司 | Decoupling film rigidity-variable semi-active suspension |
| CN111717014A (en) * | 2020-05-22 | 2020-09-29 | 浙江零跑科技有限公司 | Hydraulic suspension structure |
-
2014
- 2014-07-22 CN CN201420421831.1U patent/CN203962843U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100673A (en) * | 2014-07-22 | 2014-10-15 | 建新赵氏集团有限公司 | Semi-active control hydraulic suspension for automobile powertrain |
| CN104100673B (en) * | 2014-07-22 | 2016-03-02 | 建新赵氏集团有限公司 | Automobile power assembly semi-active control hydraulic mount |
| CN104565177A (en) * | 2014-12-20 | 2015-04-29 | 北京新能源汽车股份有限公司 | Runner assembly and engine suspension comprising same |
| CN105546024A (en) * | 2016-02-23 | 2016-05-04 | 重庆长安汽车股份有限公司 | Multi-mode semi-active hydraulic suspension |
| CN105673771A (en) * | 2016-04-11 | 2016-06-15 | 博戈橡胶金属（上海）有限公司 | Switching type semi-active engine mount |
| CN105673771B (en) * | 2016-04-11 | 2017-07-11 | 博戈橡胶金属（上海）有限公司 | A kind of driving engine of switch type half suspension |
| CN105822717A (en) * | 2016-05-04 | 2016-08-03 | 亚新科噪声与振动技术（安徽）有限公司 | Decoupling film rigidity-variable semi-active suspension |
| CN105822717B (en) * | 2016-05-04 | 2017-09-22 | 亚新科噪声与振动技术（安徽）有限公司 | One kind decoupling film variable rigidity Semi-active mount |
| CN111717014A (en) * | 2020-05-22 | 2020-09-29 | 浙江零跑科技有限公司 | Hydraulic suspension structure |
| CN111717014B (en) * | 2020-05-22 | 2021-06-22 | 浙江零跑科技有限公司 | Hydraulic suspension structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141126 Effective date of abandoning: 20160302 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |