CN1626844A - Liquid filling shock-proof means - Google Patents
Liquid filling shock-proof means Download PDFInfo
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- CN1626844A CN1626844A CN 200410057669 CN200410057669A CN1626844A CN 1626844 A CN1626844 A CN 1626844A CN 200410057669 CN200410057669 CN 200410057669 CN 200410057669 A CN200410057669 A CN 200410057669A CN 1626844 A CN1626844 A CN 1626844A
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- urceolus
- shaped portion
- conically shaped
- intermediate cylinder
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Abstract
An intermediate cylinder 5 having a rubber elastic body 3 laid between the outer periphery portion of an inner cylinder 1 and itself is internally fitted to the outer cylinder 2, a plurality of liquid chambers 4 and orifices 6 communicating these liquid chambers 4 with each other are formed between the inner cylinder 1 and the outer cylinder 2, both ends of the outer cylinder 2 in the direction of the axial core are formed into taper cylinder portions 8 having diameters smaller closer to the edges, the ends of the taper cylinder portions 8 on the smaller diameter sides are bent inward in the radial direction, and both ends of the intermediate cylinder 5 in the direction of the axial core are formed into taper cylinder portions 7 having diameters smaller when coming closer to the edges, corresponding to the taper cylinder portions 8 of the outer cylinder 2. The object of invention is to provide a liquid sealed vibration control device having improved sealing performance while offering construction permitting smooth press of an outer cylinder at its end in the direction of the axial core into a vertical connection hole.
Description
Technical field
The present invention relates to will and inner core between the folder intermediate cylinder that is separated with rubber-like elastic body be embedded in urceolus, between described inner core and urceolus, form a plurality of liquid chambers and be communicated with hole between these liquid chambers and the liquid chamber, the two end part of described urceolus axis direction form along with the conically shaped portion that diameter reduces near the ora terminalis side, with the liquid-filled vibration control equipment of the path side end radius vector direction inside bend of this conically shaped portion.
Background technique
Above-mentioned liquid-filled vibration control equipment for example is pressed in the vertical hole of member side, and is fastened on the body shell with the connecting bolt of inserting logical inner core.And along with vibration, rubber-like elastic body produces resiliently deformable, and the volume of two liquid chambers changes, and liquid flows into hole, reduces vibration gradually by this flow effect.
In so liquid-filled vibration control equipment, if the urceolus total length is straight-tube shape, then the end of urceolus axis direction can not be pressed into vertical hole swimmingly.Particularly urceolus is the situation of aluminium, and the urceolus periphery produces adhesion when being pressed into, and can cause undesirable phenomenons such as urceolus stress raisers.And, in above-mentioned liquid-filled vibration control equipment, the urceolus two end part radius vector direction inside bend of intermediate cylinder will be embedded with, though can stop the relatively moving of axis direction of intermediate cylinder and urceolus, but the urceolus of straight-tube shape is crooked thereupon, expand in its outer weekly assembly radius vector direction outside, urceolus is more difficult to be pressed into vertical hole.Therefore, the two end part that form the urceolus axis direction are along with diameter reduces gradually near the limit is distolateral conically shaped portion.
In the past, in above-mentioned liquid-filled vibration control equipment, formed the certain straight-tube shape of diameter on the total length of intermediate cylinder.
Patent documentation 1: the spy opens the 2000-205322 communique
For example intermediate cylinder is that a pair of annulus by the axis direction both end sides is formed with a pair of longitudinal wall that is connected these, between two longitudinal walls at the Zhou Fangxiang opening.And, under the situation of the liquid of in liquid chamber, packing into, be in liquid, intermediate cylinder to be embedded on the urceolus, at pull and stretch processing (undergauge processing) urceolus and when packing into, the two end part of urceolus axis direction are in the conically shaped portion that forms path near the ora terminalis side gradually.
According to the structure before described, because the total length of intermediate cylinder all forms the certain straight-tube shape of diameter, so the two end part of the conically shaped portion of urceolus and the axis direction of intermediate cylinder form the opposing inclined state, are easy to generate the slit between the two end part of the conically shaped portion of urceolus and the axis direction of intermediate cylinder.When the urceolus end that will be embedded with intermediate cylinder in addition was processed as conically shaped portion, if the end of intermediate cylinder is a straight-tube shape, the strength that then puts on urceolus was concentrated in the percentage of the ends such as tip side of intermediate cylinder, and the end of intermediate cylinder is yielding.Based on these undesirable situations, former sealing structure is low easily, and amendatory leeway is still arranged.
Summary of the invention
The objective of the invention is to, provide a kind of end of axis direction of urceolus can be pressed into connection swimmingly, simultaneously the liquid-filled vibration control equipment of good sealing performance with indulging the hole.
Feature of the present invention be with and inner core between the folder intermediate cylinder that is separated with rubber-like elastic body be embedded in urceolus, between described inner core and urceolus, form a plurality of liquid chambers and be communicated with hole between these liquid chambers and the liquid chamber, the two end part of described urceolus axis direction form the conically shaped portion along with diameter reduces near the ora terminalis side, vibration control equipment with the path side end radius vector direction inside bend of this conically shaped portion, and the two end part of the axis direction of described intermediate cylinder, corresponding with the conically shaped portion of above-mentioned urceolus, form conically shaped portion along with diameter reduces near the ora terminalis side.
According to this structure, because the two end part of the axis direction of intermediate cylinder are corresponding with the conically shaped portion of urceolus, form conically shaped portion along with diameter reduces near the ora terminalis side, so can avoid the conically shaped portion of urceolus and the axis direction end of intermediate cylinder to form the relative tilt state, be difficult for producing the slit between the two.And, when conically shaped portion is processed in the urceolus end that will be embedded with intermediate cylinder, if the end conically shaped portion of intermediate cylinder, the power that then puts on urceolus can be distributed to the end of whole intermediate cylinder easily, the power of having avoided putting on urceolus concentrates on undesirable situation of a part of the end of intermediate cylinder, can prevent the distortion of the end of intermediate cylinder.
In the present invention, if the path side end of the conically shaped portion of above-mentioned urceolus is carried out the inner face chamfer machining, can obtain better effect as described below.
If the end of conically shaped portion is not the inner face chamfering structure, then can think when applying the power of radius vector direction inside bend in the end of the path side of the conically shaped portion of urceolus, the end of above-mentioned path side can be near the fulcrum bent around the intermediate cylinder ora terminalis, near the interior perimembranous of the urceolus the fulcrum, expand because crooked radius vector direction is inboard, make the end distortion of intermediate cylinder.For this point, because the present invention carries out the inner face chamfer machining to the path side end of the conically shaped portion of urceolus, so when applying the power of radius vector direction inside bend in the end of the path side of the conically shaped portion of urceolus, the boundary of the end of path side interior perimembranous of the urceolus of surface chamfer with the inner face chamfered section with not is a fulcrum and flexible.Consequently, near the interior perimembranous of urceolus that fulcrum is is difficult for the inboard expansion of radius vector direction because of bending, can suppress the distortion of the end of intermediate cylinder.
According to the present invention, can provide a kind of end of axis direction of urceolus can be pressed into the vertical hole that connects usefulness swimmingly, simultaneously the liquid-filled vibration control equipment of good sealing performance.
And, the path side end of the conically shaped portion of above-mentioned urceolus is carried out the inner face chamfer machining, a kind of distortion that can prevent the end of intermediate cylinder then can be provided, and the liquid-filled vibration control equipment of better tightness.
Description of drawings
Fig. 1 is the plan view of liquid-filled vibration control equipment.
Fig. 2 is the A-O-A sectional view of Fig. 1.
Fig. 3 is the longitudinal section of the preceding inner core of expression urceolus two end part bending, urceolus etc.
Fig. 4 is the urceolus longitudinal section under the preceding state of two end part bending.
Fig. 5 is the longitudinal section of the intermediate cylinder before the outer embedding urceolus etc.
Fig. 6 is the figure (the center line left side is the state that is loaded on the processing machine, and the right side is the state of processing) of the pull and stretch processing of expression rubber-like elastic body etc.
Fig. 7 is the figure (the center line left side is the state that is loaded on the processing machine, and the right side is the state of processing) of the pull and stretch processing of expression urceolus.
Among the figure: 1-inner core, 2-urceolus, 3-rubber-like elastic body, 4-liquid chamber, 5-intermediate cylinder, 6-hole, the conically shaped portion of 8-urceolus, the end of the path side of 9-conically shaped portion, the ora terminalis of 18-intermediate cylinder.
Embodiment
Below describe preferred forms of the present invention with reference to the accompanying drawings in detail.As shown in Figure 1 and Figure 2, and inner core 1 between have a rubber-like elastic body 3 intermediate cylinder 5 be embedded in the urceolus 2 of aluminum, between inner core 1 and urceolus 2, form a pair of liquid chamber 4 and be communicated with hole 6 between these liquid chambers 4 and the liquid chamber 4, constitute liquid-filled vibration control equipment.Inner core 1, urceolus 2, intermediate cylinder 5 are cylinder.
This liquid-filled vibration control equipment is pressed into the vertical hole of front part one side of rear suspension, is fixed on the body shell by the attachment screw of inserting logical inner core 1.And, along with vibration, rubber-like elastic body 3 resiliently deformables, the volume of two liquid chambers 4 changes, and liquid flows into hole 6, thus flow effect and reduce vibration.The following describes the structure of each several part.
The two end part of the axis direction of urceolus 2 are formed near the ora terminalis side and the conically shaped portion 8 that diameter reduces makes urceolus 2 easily be pressed into vertical hole.Then, the end 9 radius vector direction inside bend of the path side of conically shaped portion 8 relatively move to stop to the axis direction of intermediate cylinder 5 with urceolus 2.
Fig. 4 is that the expression two end part form the urceolus 2 under the state before the conically shaped portion 8.As shown in Figure 4, sulfidization molding thin rubber film 14 on the inner peripheral surface of urceolus 2 is at the sealing protuberance 15 of the two end part of axis direction sulfidization molding ring-type.And, the end 9 of the urceolus 8 corresponding with above-mentioned conically shaped portion 8 (form conically shaped portion 8 before end) carried out the inner face chamfer machining, the angle θ 1 of interior surface chamfer is set at 4 degree.Inner face chamfered section 17 also will in depth enter axis direction inboard (with reference to Fig. 3) than the end 18 of intermediate cylinder 5.
Rubber-like elastic body 3 a pair of longitudinal wall 11 and with the inner cylindrical portion on its opposite on sulfidization molding.
Liquid chamber 4, will be between the rubber elastomer 3B of the rubber-like elasticity body portion 3A of the side on the Zhou Fangxiang of inner/ outer tube 1,2 and opposite side formed space, the rubber wall 12 from the axis direction outside of inner/ outer tube 1,2 with a pair of mutual subtend covers respectively and forms.Rubber wall 12 and rubber-like elastic body 3 integrated vulcanizing moulding, and and the inner peripheral surface of annulus 10, and the Zhou Fangxiang of inner/ outer tube 1,2 on two rubber-like elastic body 3A, 3B between the inner cylindrical portion sulfuration link together.
Hole 6 forms between member 13 and the urceolus 2 at circular-arc hole, and forms between longitudinal wall 11 and the urceolus 2.
The production process of above-mentioned liquid-filled vibration control equipment is as follows.
[1] sulfidization molding rubber-like elastic body 3, rubber wall 12 etc. between inner core 1 and intermediate cylinder 5.
[2] shown in Fig. 6 (a), Fig. 6 (b), in the pull and stretch processing machine, intermediate cylinder 5 is carried out pull and stretch processing, improve the durability of rubber-like elastic body 3.The pull and stretch processing machine is made up of with the rounding cone table shape movable body 21 that slides at the tapered hole part easy on and off the outside support platform 20 with narrow down tapered hole part.Movable body 21 circumferentially is being divided into a plurality ofly, has the embedding hole 23 of embedded intermediate cylinder 5.In this embedding hole 23, form along with near the axis direction outside and the cone shape hole that diameter reduces with the corresponding hole of annulus 10 portion 24.Intermediate cylinder 5 is embedded in (figure in the center line left side of Fig. 6 (a), Fig. 6 (b)) in the above-mentioned embedding hole 23 loosely, push movable body 21 (figure on the center line right side of Fig. 6 (a), Fig. 6 (b)) with press machine, then a plurality of movable body 21A of cutting apart descend thereupon, the inboard change of location of radius vector direction, in extruding rubber elastomer 3, annulus 10 as shown in Figure 5, forms the conically shaped portion along with diameter reduces near ora terminalis 18 sides by the inboard extruding of above-mentioned hole portion's 24 radius vector directions.
[3], shown in Fig. 7 (b), hole is formed the embedding part that member 13 is entrenched in longitudinal wall 11 sides of intermediate cylinder 5, and then it is stored in the urceolus 2 as Fig. 7 (a).Pull and stretch is processed (undergauge processing) urceolus 2, the liquid of packing in liquid chamber 4 in liquid then.The pull and stretch processing machine of the similar of pull and stretch processing machine in the operation of [2].Support platform 20 is same structures, but the structure difference of movable body 25.Movable body 25 is provided with and urceolus 2 corresponding embedding holes 26.And, be provided with the supplemental support parts 27 that support the annulus 10 of intermediate cylinder 5 from above-below direction.In urceolus 2 corresponding embedding holes 26, form along with near the axis direction outside and the taper hole that diameter reduces for the hole portion 33 at the axis direction two end part of urceolus 2.Chimeric loosely (Fig. 7 (a) such as urceolus 2 grades on above-mentioned embedding hole 26, the figure in Fig. 7 (b) center line left side), push movable body 25 (Fig. 7 (a), the figure on Fig. 7 (b) center line right side) with press machine, then a plurality of movable body 25A of cutting apart descend thereupon, change to footpath direction inner side.Urceolus 2 carries out undergauge processing thus, and with the liquid liquid chamber 4 of packing into, the two end part of urceolus 2 axis directions are by the inboard extruding of hole portion 33 radius vector directions simultaneously, forms along with near the ora terminalis side and the conically shaped portion 8 (also with reference to Fig. 3) that diameter reduces.
[4] with the path side end 9 radius vector direction inside bend of riveted seam machine with the conically shaped portion 8 of urceolus 2.As shown in Figure 4, because the inner face chamfer machining has been carried out in the end 9 of the path side of the conically shaped portion 8 of urceolus 2, when applying the footpath direction in the end 9 of the path side of conically shaped portion 8 and applying crooked to the inside power, the end 9 of path side easily with inner face chamfered section 17 with not in the boundary of interior perimembranous of urceolus 2 of surface chamfer be fulcrum P and bending, near the interior perimembranous of the urceolus 2 the fulcrum P can be owing to not expanding in the crooked radius vector direction inboard that is easy to, and the end of intermediate cylinder 5 is not yielding.
(other mode of executions)
Above-mentioned urceolus 2 also can use the material beyond the aluminium to form.The length of the inner face chamfered section 17 of the axis direction of urceolus 2 also is not limited only to the length in the above-mentioned mode of execution, in the end of the conically shaped portion 8 of urceolus 2, the conically shaped portion that relies on the axis direction outside than the ora terminalis 18 of intermediate cylinder 5 carries out the inner face chamfer machining and gets final product at least.
Claims (2)
1. liquid-filled vibration control equipment, be will and inner core between the folder intermediate cylinder that is separated with rubber-like elastic body be embedded in urceolus, between described inner core and urceolus, form a plurality of liquid chambers and be communicated with hole between these liquid chambers and the liquid chamber, the two end part of the axis direction of described urceolus form the conically shaped portion along with diameter reduces near the ora terminalis side, vibration control equipment with the path side end radius vector direction inside bend of this conically shaped portion, it is characterized in that: the two end part of the axis direction of described intermediate cylinder, corresponding with the conically shaped portion of above-mentioned urceolus, form conically shaped portion along with diameter reduces near the ora terminalis side.
2. liquid-filled vibration control equipment according to claim 1 is characterized in that: the inner face chamfer machining has been carried out in the end to the path side of the conically shaped portion of described urceolus.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003408372A JP2005172015A (en) | 2003-12-08 | 2003-12-08 | Liquid sealed vibration control device |
| JP2003408372 | 2003-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1626844A true CN1626844A (en) | 2005-06-15 |
Family
ID=34730086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410057669 Pending CN1626844A (en) | 2003-12-08 | 2004-08-23 | Liquid filling shock-proof means |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2005172015A (en) |
| CN (1) | CN1626844A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434618A (en) * | 2010-09-29 | 2012-05-02 | 日立汽车系统株式会社 | Shock absorber |
| CN103758909A (en) * | 2014-01-23 | 2014-04-30 | 亚新科噪声与振动技术（安徽）有限公司 | Chassis swing arm hydraulic bushing device and chassis swing arm system |
| CN104061265A (en) * | 2013-03-20 | 2014-09-24 | 东洋橡胶工业株式会社 | Antivibration Device |
| CN106051030A (en) * | 2015-04-10 | 2016-10-26 | 安纳恩汽配产品公司 | Fluid-Filled, Vibration Damping Bushing Assembly and Method of Manufacturing Same |
| CN106523563A (en) * | 2017-01-13 | 2017-03-22 | 太原科技大学 | Tubular rubber shock absorber with hydraulic loop |
| CN108150589A (en) * | 2016-12-02 | 2018-06-12 | 株洲时代新材料科技股份有限公司 | A kind of hydraulic bushing |
| US10563722B2 (en) | 2016-12-02 | 2020-02-18 | Zhuzhou Times New Material Technology Co., Ltd. | Hydraulic bushing |
| WO2021036866A1 (en) * | 2019-08-30 | 2021-03-04 | 株洲时代瑞唯减振装备有限公司 | Method for forming liquid rubber composite node having pipe flow channel |
| CN114270072A (en) * | 2019-08-27 | 2022-04-01 | 株式会社普利司通 | Liquid seal bush |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2936578A3 (en) * | 2008-09-26 | 2010-04-02 | Renault Sas | Flexible joint for chassis parts of motor vehicle, has outer tube comprising outer rotation surface that is fixed in cylindrical housing of mechanical part and provided with two barrel-shaped bulged zones |
-
2003
- 2003-12-08 JP JP2003408372A patent/JP2005172015A/en active Pending
-
2004
- 2004-08-23 CN CN 200410057669 patent/CN1626844A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434618A (en) * | 2010-09-29 | 2012-05-02 | 日立汽车系统株式会社 | Shock absorber |
| CN102434618B (en) * | 2010-09-29 | 2015-09-09 | 日立汽车系统株式会社 | Buffer |
| CN104061265A (en) * | 2013-03-20 | 2014-09-24 | 东洋橡胶工业株式会社 | Antivibration Device |
| CN104061265B (en) * | 2013-03-20 | 2016-05-18 | 东洋橡胶工业株式会社 | Antihunting device |
| CN103758909A (en) * | 2014-01-23 | 2014-04-30 | 亚新科噪声与振动技术（安徽）有限公司 | Chassis swing arm hydraulic bushing device and chassis swing arm system |
| CN103758909B (en) * | 2014-01-23 | 2016-02-10 | 亚新科噪声与振动技术（安徽）有限公司 | A kind of chassis swing arm hydraulic pressure bushing device and chassis swing arm system |
| CN106051030A (en) * | 2015-04-10 | 2016-10-26 | 安纳恩汽配产品公司 | Fluid-Filled, Vibration Damping Bushing Assembly and Method of Manufacturing Same |
| CN108150589A (en) * | 2016-12-02 | 2018-06-12 | 株洲时代新材料科技股份有限公司 | A kind of hydraulic bushing |
| US10563722B2 (en) | 2016-12-02 | 2020-02-18 | Zhuzhou Times New Material Technology Co., Ltd. | Hydraulic bushing |
| CN108150589B (en) * | 2016-12-02 | 2020-07-14 | 株洲时代新材料科技股份有限公司 | Hydraulic bushing |
| CN106523563A (en) * | 2017-01-13 | 2017-03-22 | 太原科技大学 | Tubular rubber shock absorber with hydraulic loop |
| CN106523563B (en) * | 2017-01-13 | 2019-03-15 | 太原科技大学 | A kind of tubular rubber damper with hydraulic loop |
| CN114270072A (en) * | 2019-08-27 | 2022-04-01 | 株式会社普利司通 | Liquid seal bush |
| CN114270072B (en) * | 2019-08-27 | 2023-04-14 | 株式会社普洛斯派 | Liquid seal bushing |
| WO2021036866A1 (en) * | 2019-08-30 | 2021-03-04 | 株洲时代瑞唯减振装备有限公司 | Method for forming liquid rubber composite node having pipe flow channel |
| US11661990B2 (en) | 2019-08-30 | 2023-05-30 | Zhuzhou Times Ruiwei Anti-Viberation Equipment Limited | Formation method for liquid rubber composite nodes with tubular flow channel |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005172015A (en) | 2005-06-30 |
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