EP1380752A1 - Support isolateur de vibrations pour système d'entraínement d'un dispositif médical - Google Patents

Support isolateur de vibrations pour système d'entraínement d'un dispositif médical Download PDF

Info

Publication number
EP1380752A1
EP1380752A1 EP02015304A EP02015304A EP1380752A1 EP 1380752 A1 EP1380752 A1 EP 1380752A1 EP 02015304 A EP02015304 A EP 02015304A EP 02015304 A EP02015304 A EP 02015304A EP 1380752 A1 EP1380752 A1 EP 1380752A1
Authority
EP
European Patent Office
Prior art keywords
holding device
spring elements
drive
holder according
inner holding
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP02015304A
Other languages
German (de)
English (en)
Other versions
EP1380752B1 (fr
Inventor
Hans-Jürgen Dipl.-Ing. Kraus (FH)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Richard Wolf GmbH
Original Assignee
Richard Wolf GmbH
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 Richard Wolf GmbH filed Critical Richard Wolf GmbH
Priority to DE50209972T priority Critical patent/DE50209972D1/de
Priority to EP02015304A priority patent/EP1380752B1/fr
Priority to ES02015304T priority patent/ES2284751T3/es
Priority to AT02015304T priority patent/ATE360145T1/de
Publication of EP1380752A1 publication Critical patent/EP1380752A1/fr
Application granted granted Critical
Publication of EP1380752B1 publication Critical patent/EP1380752B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0044—Pulsation and noise damping means with vibration damping supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/001—Noise damping
    • F04B53/003—Noise damping by damping supports

Definitions

  • the invention relates to a holder for low-vibration storage of Drives and in particular of pumps in medical devices.
  • a holder for low-vibration Storage of drives and in particular of pumps in medical Devices to create the vibrations that occur can reliably degrade and has a longer shelf life.
  • the holder according to the invention is intended for low-vibration Storage of drives in medical devices and in particular for low-vibration storage of pumps, such as pressure or Vacuum pumps in medical devices.
  • the holder has a outer holding device and an inner holding device.
  • the inner one Holding device is designed to receive the drive, d. H. the inner holding device is connected to the drive or the pump, for example connected by screws, clamping and / or locking means.
  • the inner holding device is connected to the outer holding device only via Spring elements connected so that no solid, force-transmitting Connection between the outer and the inner holding device are provided. All fasteners between the inner and the outer holding device are resilient, so that occurring vibrations and vibrations can be damped.
  • the spring elements are arranged so that they are together in transfer their forces of action in all three spatial directions can.
  • the spring elements are arranged so that they transfer only one force in the direction of their line of action.
  • the single ones Spring elements are thus kept free of transverse forces, which eventually lead to damage of the spring element could. Due to the spatial arrangement of the spring elements, a Vibration damping in every possible direction of movement of the reached inside holding device with respect to the outer holding device become.
  • the possibility of movement of the inner Holding means relative to the outer holding device by the spatial arrangement of the spring elements, which is a power transmission in each spatial direction allows, to a minimum. In this way, even during transport or strong external Shocks an excessive displacement of the inner holding device and thus prevents one attached to this drive become. At the same time too great a movement of the individual spring elements, which could lead to damage of these, avoided.
  • the inner holding device is firmly connected to the drive or formed as part of this.
  • the housing the drive or a pump directly as an internal holding device act, the spring elements then directly to the drive or attack the pump.
  • the spring elements preferably engage on the inner holding device at articulation points, which are symmetrical to the center of gravity of the drive are arranged. Furthermore, the articulation points are preferably as close as possible to the center of gravity of the drive or the pump. Further preferred are the articulation points and lines of action of the spring elements symmetrical to those through the center of gravity of the to be fastened Drive or the pump to be fastened Arranged symmetry or coordinate axes.
  • the spring elements are preferably arranged in pairs, wherein for each spring element an oppositely acting spring element on the opposite side of the inner holding device is provided.
  • the oppositely acting spring elements generate spring forces directed in opposite directions. In this way, an excessive movement of the pump at a occurring linear acceleration and overstretching or a Too much compression of the spring element, which leads to breakage of the spring element could be avoided. That's the situation of the drive at linear accelerations substantially stable.
  • the spring elements are preferably as tension and / or compression springs educated.
  • the spring elements may, for example, coil springs be, with preferably all arranged spring elements identical are formed and in particular have the same spring constant. In this way, a good vibration damping in all Directions and a stable position of the drive can be achieved.
  • At least three, preferably six or eight spring elements are preferred provided to absorb the forces in all spatial directions to be able to.
  • each spring element is arranged in the direction of one of three coordinate axes be so that the spring elements each at an angle are arranged at 90 ° to each other.
  • Particularly preferred is the arrangement of eight spring elements, wherein the articulation points on the inner holding device define the vertices of a cuboid.
  • the lines of action of the spring elements so that they are the center of gravity of the drive to be absorbed to cut.
  • the eight spring elements are preferably symmetrical to Center of gravity of the drive arranged so that they together Can transmit forces in all three spatial directions. Continue to run the lines of action of the spring elements preferably symmetrical to passing through the center of gravity of the drive to be fastened right-angled coordinate axes. So in all sorts of ways Movement directions of the drive sufficient damping and Limitation of movement can be achieved, so that excessive Elongation or compression of the spring elements and an undesirable large deflection of the drive or the pump from the respective rest position is prevented.
  • the lines of action of the eight spring elements each extend at an angle, preferably at substantially 90 ° to each other.
  • all the spring elements extend in opposite directions Directions, allowing a spatial suspension of the drive is achieved in all spatial directions.
  • the inner and outer holding means are preferably each U-shaped Formed bow.
  • the U-shaped bracket are so intertwined set that their walls extend parallel to each other.
  • the spring elements are preferably between the parallel lateral thighs of the U-shaped temples of the inner and the outer Holding device arranged.
  • These holding devices are lightweight to manufacture, for example by bending a sheet metal section. Further allows this configuration good accessibility of the spring elements and the drive receiving interior of the inner holding device, since this space is open on three sides.
  • FIG. 1 shows in a lateral view schematically the principal Structure of the holder for low-vibration mounting of drives and in particular of pumps in medical devices.
  • the Holder has an outer holding device 2 and an inner holding device 4 on.
  • the inner holding device 4 is for receiving a not shown drive, for example, in the form of a pump.
  • a drive such as a motor or a pump
  • the inner holding device 4 is with the inner holding device 4, for example by screwing or latching firmly connected.
  • the inner holding device 4 Part of the drive to be stored or the pump to be stored be, for example, directly from the outer wall of a pump housing be formed.
  • the inner holding device 4 is connected to the outer Holding device 2 only connected via eight spring elements 6.
  • the spring elements 6 extend symmetrically to the center of gravity S a male pump and symmetrical to these Center of gravity S intersecting coordinate and symmetry axes X, Z, which run at right angles to each other. In the example shown extend the lines of action of the spring elements 6, which as a train or Compression springs are formed, substantially at an angle of 45 ° to the axes X, Z.
  • the spring elements 6 are all formed identically, In particular, the springs used have the same spring constants on.
  • the spring elements 6 are all identical as prestressed Tension springs formed, in particular, identical spring constants exhibit.
  • spring elements 6 with different spring constants be used, in particular to a weight balance create.
  • the vertically upwardly located spring elements 6 with a larger spring constant Be provided so that they can absorb weight despite the weight the inner holding device 4 and the drive mounted therein allow sufficient damping.
  • compression springs which are located vertically below Form spring elements 6 with a larger spring constant.
  • the vertically lower spring elements 6 as Compression springs and the vertically upwardly located spring elements 6 as Train springs, so that the of the inner holding device. 4 and a device stored therein (motor, pump, etc.) can be distributed evenly on all spring elements 6.
  • a bias of the spring elements 6 evenly be formed so that optimal in all directions that achieves optimum damping properties in all spatial directions become.
  • Fig. 2 shows a view of the arrangement of FIG. 1 in the direction of Arrow A in Fig. 1.
  • the outer holder 2 is substantially as a U-shaped Bracket formed in the interior of a parallel to this bracket extending further U-shaped bracket as an inner holding device 4 (see also Fig. 1) is arranged.
  • the lines of action of the spring elements 6 also with respect to the coordinate axis Y, which is normal to the axes X, Z and this intersects in the center of gravity S, essentially at an angle of 45 °.
  • the articulation points of Spring elements 6 on the inner holding device 4 define the corner points a cuboid.
  • the lines of action of the spring elements 6 run each obliquely to all three coordinate axes X, Y and Z. In the shown Example are the lines of action at an angle of 45 ° to the Coordinate axes inclined, but are also smaller or larger Angle possible. However, the lines of action of all spring elements run 6 preferably obliquely to all three coordinate axes X, Y and Z, so that the inner holding device 4 in all coordinate directions is held resiliently.
  • Fig. 3 shows a plan view of the arrangement of FIG. 1 in the direction of the arrow B in Fig. 1. Also in this view, the oblique course of Effect lines of the spring elements 6 with respect to the coordinate axis X. and Y to recognize.
  • the spring elements 6 are on the inner Holding device as close to the center of gravity S of a to be accommodated drive to the deflection of the springs to be kept as low as possible during operation.
  • Fig. 4 shows a schematic overall perspective view of the invention Bracket. It can be seen that the outer holding device 2 and the inner holding device 4 each as substantially U-shaped elements are formed, which are arranged one inside the other are that their legs or side surfaces each parallel to each other extend.
  • the spring elements 6 are arranged spatially in such a way that their lines of action in each case essentially on the Center of gravity S to extend and preferably in the center of gravity S or near it.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vibration Prevention Devices (AREA)
  • Springs (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
EP02015304A 2002-07-10 2002-07-10 Support isolateur de vibrations pour système d'entraînement d'un dispositif médical Expired - Lifetime EP1380752B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE50209972T DE50209972D1 (de) 2002-07-10 2002-07-10 Halterung zur vibrationsarmen Lagerung von Antrieben in medizinischen Geräten
EP02015304A EP1380752B1 (fr) 2002-07-10 2002-07-10 Support isolateur de vibrations pour système d'entraînement d'un dispositif médical
ES02015304T ES2284751T3 (es) 2002-07-10 2002-07-10 Soporte de fijacion para el alojamiento aislado de vibracions de accionamientos en aparatos medicos.
AT02015304T ATE360145T1 (de) 2002-07-10 2002-07-10 Halterung zur vibrationsarmen lagerung von antrieben in medizinischen geräten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02015304A EP1380752B1 (fr) 2002-07-10 2002-07-10 Support isolateur de vibrations pour système d'entraînement d'un dispositif médical

Publications (2)

Publication Number Publication Date
EP1380752A1 true EP1380752A1 (fr) 2004-01-14
EP1380752B1 EP1380752B1 (fr) 2007-04-18

Family

ID=29724421

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02015304A Expired - Lifetime EP1380752B1 (fr) 2002-07-10 2002-07-10 Support isolateur de vibrations pour système d'entraînement d'un dispositif médical

Country Status (4)

Country Link
EP (1) EP1380752B1 (fr)
AT (1) ATE360145T1 (fr)
DE (1) DE50209972D1 (fr)
ES (1) ES2284751T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020001872A1 (fr) * 2018-06-29 2020-01-02 Contitech Vibration Control Gmbh Mécanisme d'atténuation de vibrations, et véhicule pourvu dudit mécanisme d'atténuation de vibrations monté sur celui-ci
EP3677777A4 (fr) * 2017-08-28 2020-08-19 Panasonic Intellectual Property Management Co., Ltd. Structure support élastique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58187589A (ja) * 1982-04-26 1983-11-01 Matsushita Electric Ind Co Ltd 密閉型電動圧縮機の防振装置
US5697678A (en) * 1993-05-26 1997-12-16 Robert Bosch Gmbh Hydraulic unit supported in such a way as to damp vibration and forming part of a slip-controlled brake system
JPH11247936A (ja) * 1998-03-05 1999-09-14 Sony Corp 防振装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58187589A (ja) * 1982-04-26 1983-11-01 Matsushita Electric Ind Co Ltd 密閉型電動圧縮機の防振装置
US5697678A (en) * 1993-05-26 1997-12-16 Robert Bosch Gmbh Hydraulic unit supported in such a way as to damp vibration and forming part of a slip-controlled brake system
JPH11247936A (ja) * 1998-03-05 1999-09-14 Sony Corp 防振装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 008, no. 032 (M - 275) 10 February 1984 (1984-02-10) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 14 22 December 1999 (1999-12-22) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3677777A4 (fr) * 2017-08-28 2020-08-19 Panasonic Intellectual Property Management Co., Ltd. Structure support élastique
WO2020001872A1 (fr) * 2018-06-29 2020-01-02 Contitech Vibration Control Gmbh Mécanisme d'atténuation de vibrations, et véhicule pourvu dudit mécanisme d'atténuation de vibrations monté sur celui-ci
CN110657194A (zh) * 2018-06-29 2020-01-07 康迪泰克（中国）橡塑技术有限公司 一种减振机构及安装有所述减振机构的车辆

Also Published As

Publication number Publication date
DE50209972D1 (de) 2007-05-31
ATE360145T1 (de) 2007-05-15
EP1380752B1 (fr) 2007-04-18
ES2284751T3 (es) 2007-11-16

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