WO2012091277A2 - Ensemble amortisseur - Google Patents

Ensemble amortisseur Download PDF

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Publication number
WO2012091277A2
WO2012091277A2 PCT/KR2011/008353 KR2011008353W WO2012091277A2 WO 2012091277 A2 WO2012091277 A2 WO 2012091277A2 KR 2011008353 W KR2011008353 W KR 2011008353W WO 2012091277 A2 WO2012091277 A2 WO 2012091277A2
Authority
WO
WIPO (PCT)
Prior art keywords
piston
cylinder
opening
closing
fluid
Prior art date
Application number
PCT/KR2011/008353
Other languages
English (en)
Korean (ko)
Other versions
WO2012091277A3 (fr
Inventor
이영만
Original Assignee
(주)삼우
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)삼우 filed Critical (주)삼우
Publication of WO2012091277A2 publication Critical patent/WO2012091277A2/fr
Publication of WO2012091277A3 publication Critical patent/WO2012091277A3/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
    • F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
    • F16F9/483—Arrangements for providing different damping effects at different parts of the stroke characterised by giving a particular shape to the cylinder, e.g. conical

Definitions

  • the present invention relates to a damper assembly, and more particularly, to a damper assembly in which a deforming member having a Zabara structure is configured to shield an opening of a cylinder.
  • a damper assembly includes a cylinder housing filled with a fluid, a piston movably disposed in the inner diameter of the cylinder housing, a cylinder rod extending from the piston and extending outward of the cylinder housing, a return spring for repositioning the piston, Compensation member for compensating the volume inside the cylinder according to the flow of the piston.
  • an object of the present invention is to solve the problems of the prior art as described above, and to provide a damper assembly having a flexible deformation member capable of accommodating an internal volume change on one side of a cylinder.
  • the damper assembly there is formed a space in which the fluid is filled, the cylinder having one opening; A piston provided inside the cylinder and slidingly flowing; A deformable member provided at one end of the cylinder to shield an open end of the cylinder, the deformable member capable of increasing or decreasing a volume thereof therein; It is characterized in that it comprises an orifice formed in the cylinder or piston, to guide the fluid flow to the inside or outside of the cylinder.
  • the deformable member is characterized in that it has a Zabara structure that can be changed in shape according to the size of the internal space.
  • the orifice is characterized in that the size of the cross-sectional area gradually increases or decreases toward one side.
  • One side of the piston the flow hole for guiding the fluid flow through the piston;
  • An opening and closing hole for selectively opening and closing the flow hole; It is provided on one side of the piston, the opening and closing member forcing a force to shield the flow hole; characterized in that it comprises a.
  • the opening and closing member is made of an elastic material, it characterized in that the opening and closing the opening to one side by the elastic force.
  • a deformation member having a zabara structure is provided to shield the opening of the cylinder. Therefore, since the internal volume may be changed freely, there is an advantage that it is not necessary to provide a separate correction member for volume compensation as in the prior art.
  • the deformation member of the flexible material is configured to surround the rod, there is no need to provide a separate oil seal around the rod as in the prior art. Therefore, the material cost is reduced, the assembly is easy, there is an effect that the work efficiency is improved.
  • FIG. 1 is a cross-sectional view showing the configuration of a preferred embodiment of a damper assembly according to the present invention.
  • FIG. 2 is a cross-sectional view showing an operating state of the damper assembly according to the present invention.
  • Figure 3 is a cross-sectional view showing the configuration of another embodiment of a damper assembly according to the present invention.
  • FIG. 1 shows one embodiment of a damper assembly according to the invention in cross section.
  • the damper assembly includes a cylinder 100 having a space filled with a fluid therein, a piston 110 provided inside the cylinder 100 and slidingly flowing, and The deformable member 120 provided at one end of the cylinder 100 to shield the open end of the cylinder 100 and a flow formed through the piston 110 to guide the fluid to flow through the piston 110.
  • the cylinder 100 is made of a cylindrical shape with an upper opening, a space in which the fluid is filled is formed therein. That is, the cylinder 100, the upper portion is opened, the inner space 102 of a predetermined size for receiving the fluid is formed therein.
  • the piston 110 is provided inside the cylinder 100 and slides up and down along the inner surface of the cylinder 100. Therefore, the piston 110 is formed in a circular shape to have an outer surface corresponding to the inner surface of the cylinder 100.
  • the rod 160 is connected to the upper side of the piston 110.
  • the rod 160 is generally called a 'cylinder rod' and has a thin round rod shape.
  • a fastening end 112 into which the lower end of the rod 160 is inserted and fixed is formed at the center of the upper surface of the piston 110 to protrude upward.
  • the deformable member 120 is provided on the upper end of the cylinder 100, shields the opened upper side of the cylinder 100, and has a structure to allow the volume size of the inside to be increased or decreased.
  • the deforming member 120 has a corrugated structure having a plurality of layers. That is, the deformable member 120 is made of a so-called 'Zabara structure' that can be changed in shape according to the size of the inner space.
  • the deforming member 120 is made of a flexible material such as rubber. Therefore, the volume of the outer space 122 provided therein can be freely changed.
  • the deformation member 120 is made of a material that can be freely deformed in response to a change in the internal volume. Therefore, even when the piston 110 descends to the inside and the volume of the inside increases as the rod 160 flows in, as shown in FIG. 2, since the deformation member 120 increases the internal volume, the deformation is performed. As in the prior art, the volume compensation material becomes unnecessary.
  • Insertion hole 124 is formed through the center of the upper surface of the deforming member 120.
  • the insertion hole 124 is a hole into which the rod 160 is slidably inserted.
  • the edge of the deforming member 120 forming the insertion hole 124 is in close contact with the outer surface of the rod 160. That is, as shown, it is formed so as to be in close contact with the outer surface of the rod 160 in two times by sliding the outer surface of the rod 160, the oil is leaked through the gap between the deformation member 120 and the rod 160 Will be prevented. Therefore, a separate oil seal for preventing oil leakage as in the prior art is unnecessary.
  • the piston 110 has a flow hole 130 formed therethrough.
  • the flow hole 130 guides the fluid to flow inside and outside the cylinder 100. That is, it serves as a passage to allow the fluid to flow to each other up and down of the piston (110).
  • the cross-sectional area of the flow hole 130 preferably has a size larger than the cross-sectional area of the orifice 170 to be described below. In this way, the flow hole 130 is provided, and the size of the flow hole 130 is larger than the cross-sectional area of the orifice 170, when the piston 110 is lowered back to the upper direction again This is to reduce the return resistance.
  • the opening and closing port 140 selectively shields the flow hole 130. That is, the opening and closing hole 140 is made of a sphere (sphere) as shown, and is formed to have a diameter larger than the inner diameter of the flow hole 130, selectively the flow hole 130 from the lower side Shielding.
  • the opening and closing member 150 is provided below the piston 110 and is integrally formed with the piston 110 or provided separately.
  • the opening and closing member 150 is to force the opening and closing 140 to shield the flow hole 130. That is, the opening and closing port 140 is pushed upward with a predetermined force.
  • the opening and closing member 150 is made of an elastic material, and is configured to push the opening and closing hole 140 upward by its own elastic force. That is, as shown, the left end of the opening and closing member 150 is fixed to the piston 110, the opening and closing hole 140 is in contact with the upper surface of the right end. Therefore, the opening and closing hole 140 is pushed upward by the elastic force of the opening and closing member 150 to shield the flow hole 130.
  • An orifice 170 is further formed on one surface of the cylinder 100 to guide the fluid to flow inside or outside the cylinder 100. That is, as shown, the orifice 170 is formed up and down on the inner surface of the cylinder 100, the orifice 170 is a groove of a predetermined size, which is a passage for guiding the flow of the fluid.
  • the orifice 170 is formed such that the size of the cross-sectional area gradually increases or decreases toward one side. That is, the orifice 170 is formed such that the size of the cross-sectional area gradually decreases toward the lower side.
  • the opening and closing port 140 blocks the flow hole 130 by the opening and closing member 150. Therefore, the flow of the fluid does not occur through the flow hole 130.
  • the flow hole 130 is formed to penetrate the piston 110, but the position of the flow hole 130 may be formed at another position such as the edge of the piston 110. It will be possible.
  • the spherical opening or closing hole 140 is used to shield the flow hole 130, but the shape of the opening and closing hole 140 may be variously changed.
  • the orifice 170 is illustrated on the inner surface of the cylinder 100.
  • the orifice 170 may be formed on the outer surface of the piston 110. to be.
  • the gap between the inner surface of the cylinder 100 and the outer surface of the piston 110 may function as an orifice which is an oil (fluid) moving passage without forming a separate orifice 170 as described above. It will be possible.
  • the flow hole 130, the opening and closing 140 and the opening and closing member 150 is not provided as in the above embodiment. That is, as shown in Figure 3, so that the flow hole 130 is not formed in the piston 110, so that the flow of oil (fluid) is configured to move up and down the piston 110 only through the orifice 170. It is possible. Of course, in this case, the speed at which the piston 110 returns upward will be reduced compared to the above embodiment (see FIGS. 1 and 2).

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

La présente invention concerne un ensemble amortisseur dans lequel un élément déformable comprenant une structure de soufflet recouvre une ouverture d'un cylindre. L'ensemble amortisseur comprend : un cylindre (100) comprenant un espace dans lequel un fluide est rempli, le cylindre (100) comprenant une extrémité ouverte ; un piston coulissant (110) disposé à l'intérieur du cylindre (100) ; un élément déformable (120) disposé au niveau de l'extrémité ouverte du cylindre (100) de manière à recouvrir l'extrémité ouverte du cylindre (100), le volume interne de l'élément déformable (120) étant variable ; un trou d'écoulement (130) traversant le piston (110) de manière à guider le fluide de sorte que le fluide s'écoule à travers le piston (110) ; une partie d'ouverture/de fermeture (140) permettant d'ouvrir ou de fermer sélectivement le trou d'écoulement (130) ; et un élément d'ouverture/de fermeture (150) disposé au niveau d'un côté du piston (110) de manière à forcer la partie d'ouverture/de fermeture (140) à recouvrir le trou d'écoulement (130). l l Selon la présente invention, un amortisseur compact peut être fourni pour améliorer le rendement du travail.
PCT/KR2011/008353 2010-12-30 2011-11-04 Ensemble amortisseur WO2012091277A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100138388A KR20120076715A (ko) 2010-12-30 2010-12-30 댐퍼어셈블리
KR10-2010-0138388 2010-12-30

Publications (2)

Publication Number Publication Date
WO2012091277A2 true WO2012091277A2 (fr) 2012-07-05
WO2012091277A3 WO2012091277A3 (fr) 2012-08-23

Family

ID=46383597

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/008353 WO2012091277A2 (fr) 2010-12-30 2011-11-04 Ensemble amortisseur

Country Status (2)

Country Link
KR (1) KR20120076715A (fr)
WO (1) WO2012091277A2 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5438475A (en) * 1977-08-30 1979-03-23 Nippon Telegr & Teleph Corp <Ntt> Damper
JPS5635952U (fr) * 1979-08-28 1981-04-07
JPS61179435U (fr) * 1985-04-25 1986-11-08
KR200162778Y1 (ko) * 1997-05-30 1999-12-15 오상수 피스톤밸브구조가 변경된 가스스프링
JP2009293664A (ja) * 2008-06-03 2009-12-17 Toyota Motor Corp 車両用サスペンション装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5438475A (en) * 1977-08-30 1979-03-23 Nippon Telegr & Teleph Corp <Ntt> Damper
JPS5635952U (fr) * 1979-08-28 1981-04-07
JPS61179435U (fr) * 1985-04-25 1986-11-08
KR200162778Y1 (ko) * 1997-05-30 1999-12-15 오상수 피스톤밸브구조가 변경된 가스스프링
JP2009293664A (ja) * 2008-06-03 2009-12-17 Toyota Motor Corp 車両用サスペンション装置

Also Published As

Publication number Publication date
KR20120076715A (ko) 2012-07-10
WO2012091277A3 (fr) 2012-08-23

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