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EP0218018B1 - Appareil d'entraînement - Google Patents

Appareil d'entraînement Download PDF

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Publication number
EP0218018B1
EP0218018B1 EP86109703A EP86109703A EP0218018B1 EP 0218018 B1 EP0218018 B1 EP 0218018B1 EP 86109703 A EP86109703 A EP 86109703A EP 86109703 A EP86109703 A EP 86109703A EP 0218018 B1 EP0218018 B1 EP 0218018B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
piston
lever
training apparatus
swivelling shaft
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.)
Expired - Lifetime
Application number
EP86109703A
Other languages
German (de)
English (en)
Other versions
EP0218018A1 (fr
Inventor
Günter Kern
Rainer Kranz
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT86109703T priority Critical patent/ATE56887T1/de
Publication of EP0218018A1 publication Critical patent/EP0218018A1/fr
Application granted granted Critical
Publication of EP0218018B1 publication Critical patent/EP0218018B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/008—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters
    • A63B21/0083—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters of the piston-cylinder type
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/00058—Mechanical means for varying the resistance
    • A63B21/00076—Mechanical means for varying the resistance on the fly, i.e. varying the resistance during exercise
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4041—Interfaces with the user related to strength training; Details thereof characterised by the movements of the interface
    • A63B21/4047—Pivoting movement

Definitions

  • the invention relates to a training device according to the preamble of patent claim 1.
  • Such a training device is known from CH-A-446 148.
  • a circular piston is used, which is connected directly to a pivot shaft. It is therefore not possible to change the ratio between the swivel shaft and the piston and / or to adapt it to the respective conditions.
  • a shock absorber with a worm gear is known in which the worm is located outside the cylinder.
  • the FR-A-810 361 also shows a shock absorber in which the shaft is outside the cylinder.
  • a lever provided with two handles is pivotally mounted on a vertical support about a horizontal axis.
  • the piston rod of the hydraulic piston-cylinder unit is articulated to the lever between the handles and the articulation point on the support, the cylinder of which is articulated below the articulated connection of the lever to the support.
  • the lever provided with handles can only be pressed down or raised for exercise purposes, so that it has only a limited area of application.
  • the possibilities of using the known training device cannot be expanded without further ado because the lever with the hydraulic cylinder and the support is a space-consuming construction which is difficult to adapt to other movement sequences to achieve other training effects.
  • the object of the invention is to propose a training device of the type specified above, which has a stable, space-saving construction, so that it can be easily adapted to different exercises.
  • the reaction moment when the lever is pivoted is known to be generated in such a way that the hydraulic fluid is displaced by the piston from one cylinder chamber to the other depending on its direction of movement, the magnitude of the reaction moment being determined by the throttling of the hydraulic fluid depends on the channel and the throttle device. Since the reaction torque increases approximately with the square of the angular speed of the pivoting movement of the lever, the patient or practitioner can choose the desired resistance by the speed of the movement carried out. If the reaction moment becomes too large, the practicing person can interrupt the movement at any time, which also means that the reaction moment becomes zero. In the event of an interruption, the limbs or body parts to be trained no longer have any forces. If the practicing person resumes the movement, he can practically increase the reaction moment starting from zero, since there is virtually no resistance to static friction to be overcome.
  • the training device according to the invention can thus be used in an ideal manner with gentle treatment, and high stress levels are also possible.
  • the unit generating the reaction moment for the exercising person consists of the lever which is directly linked from the hydraulic cylinder in the training device according to the invention, it can be arranged in a space-saving manner in such a way that a large number of different exercises can be carried out.
  • a training device in which a lever is connected to a pivot shaft, the rotational movement of which is transmitted by a chain drive to a second pivot shaft, to which a lever is connected, to which one end of a gas spring is articulated is, the other end is pivotally mounted in the frame.
  • This known training device is provided with a very complex and space-consuming gear for converting a rotary movement into a translatory movement, so that the adaptation of this device to different exercises requires an additional considerable design effort.
  • the throttle device expediently consists of an adjustable throttle valve. By setting the throttle cross-section, the achievable resistance or the desired reaction torque can be adapted to the respective training conditions.
  • an adjustable throttle valve is arranged in the end regions of the channel arranged in the cylinder wall or through it, that the piston consists of two rigidly connected piston disks which delimit a piston chamber between them, that in each piston disk a check valve permitting a flow into the adjacent cylinder chamber is arranged and that the channel between the throttle valves is provided with a line opening through the cylinder wall into the piston chamber.
  • This configuration allows the throttle valves to be set to different cross sections, so that the forward movement takes place at the same speed with a different reaction torque than the return movement. This can be appropriate according to the limbs or body parts to be trained and moved and according to the selected training program.
  • the hydraulic fluid displaced from one cylinder chamber is essentially throttled only by the adjacent throttle valve and can then flow through the piston scanner and the opposite check valve, bypassing the other throttle valve, into the other cylinder chamber.
  • the transmission can be formed in an advantageous and simple manner in that the pivot shaft extends through the cylinder between the piston disks transversely and is mounted in opposite areas of the cylinder wall and in that the piston between the piston disks is provided with an axially parallel rack with which one with the pivot shaft fixed pinion combs.
  • the transmission can also be formed by a crank and a connecting rod or eccentric.
  • the cylinder is expediently connected to the training device consisting of a chair, a couch or the like in such a way that the pivot shaft is essentially aligned with the axis of the joint or diffraction center of the limb or body part to be trained.
  • the cylinder is connected to the pivot shaft of a second cylinder of the same type attached to the training device in such a way that it is aligned with the longitudinal axis of the first cylinder.
  • This configuration enables, as it were, cardanic spatial movements, such as are useful for training hip or shoulder joints, for example.
  • the cylinder can be provided with at least one device that measures the pressure of the hydraulic fluid in a cylinder chamber.
  • This device can display the respective reaction moment to the patient or the doctor.
  • a device can be provided which displays the measured pressure and / or determines the work and / or the power from this and displays and / or registers this.
  • the work performed by the patient can be calculated from the respective resistance and the swivel angles, the angular velocity also having to be measured to determine the power.
  • the swivel angle of the lever can be adjusted by stops. Furthermore, the length of the lever arm of the lever is expediently adjustable.
  • the gymnastic device according to the invention consists, for example, of a training chair
  • the lower leg of the patient can be attached to the lever by means of padded pressure plates and fixing straps.
  • the thigh lies firmly on the seat of the chair and is also fixed by means of straps.
  • a lap belt can be provided to stabilize the hips and torso.
  • the pressure shell is expediently rotatably mounted in its starting point on the length-adjustable lever arm and can itself be adjusted to the required length of the patient's spine, so that the drawer load on the knee joint ligaments is kept as low as possible.
  • the training device makes it possible to keep the risk of stress on the patient's joint apparatus as low as possible. Therefore, adjustment, support and stabilization devices should be provided at the required points.
  • the muscles to be trained can be moved as much as possible by the patient in order to achieve the greatest possible training success in the shortest possible time.
  • Controlling measuring devices can provide the patient or exerciser and also the therapist with a constant overview of the load and the success of the exercise programs. Data storage for statistics and program design is also possible.
  • a pivot point can be determined which corresponds to the imaginary means of the joint.
  • a hinge joint there is a turning line. It is the imaginary plumb line through all the planes lying in the longitudinal direction of the two legs. Two planes perpendicular to each other intersect at the pivot point.
  • the axis of rotation or the pivot point of the lever should be able to track and fix the imaginary center of the joint.
  • the circular movement of the two legs can be converted into a rectified forward and backward thrust of the hydraulic working piston.
  • the throttle device can consist of a work compensation duct, the overflow bores of which are arranged so that it can be used for the directions of movement, by means of two throttle screws.
  • a multi-channel system with several throttle screws can also be used.
  • the rotary movement can be registered by means of a rotary encoder and made visible on a digital or analog display which can be set to the starting or end position from any position.
  • the oil pressure can be detected by pressure sensors and made visible either digitally or analog.
  • the measured values recorded can be fed directly to a data processing system, stored, evaluated and printed out.
  • the range of motion of the joint to be trained can be limited by lockable stops.
  • the patient's medical data can be entered, for example the weight of the lower leg, which falls back completely relaxed from stretching.
  • both the agonistic and the antagonistic side can be trained.
  • the device according to the invention can be used in the form of a training chair, for example for strengthening and general aftercare of postoperative knee and muscle injuries. Furthermore, the training device according to the invention can be used to strengthen the entire ankle muscles in the pronation-supination and dorsal-plantar flexion range.
  • the training device according to the invention can also be used to particular advantage Use special and special strengthening of the core muscles while keeping the spine area in good condition.
  • the entire hip area, including the gruteal muscles, can be trained with the device to strengthen. It can also be used, for example, to move the muscle parts of the shoulder joint to strengthen the various movement areas. It can also be used to strengthen the forearm and wrist muscles.
  • the training device consists of a chair 1, which is indicated only by the seat, backrest and legs.
  • the hydraulic cylinder 2 is fastened to the seat surface with the pivot lever 3 in such a way that the pivot axis is approximately aligned with the line drawn through the patient's two knee joints.
  • a cross piece 4 is attached at the end, which carries bandages for attachment to the lower leg of the patient.
  • the chair 1 is also provided with fastening straps, not shown, for the patient represented only by lines.
  • the hydraulic cylinder is shown schematically in FIG. 2.
  • a piston acting on both sides which consists of the two piston disks 5, 6, which are rigidly connected to one another by the toothed rack 7.
  • a pivot shaft, on which the pinion 8 is wedged, is mounted in opposite areas of the cylinder wall.
  • the pinion 8 meshes with the rack 7.
  • the pivot lever 3 is wedged onto the pivot shaft.
  • the cylinder chambers 9, 10, which are divided by the piston disks 5, 6, are connected to one another by a channel 11 in which a throttle valve 12 is arranged.
  • the throttle duct 11 is arranged in the cylinder wall.
  • the channel is provided with bores 12, 13 which open into the cylinder chambers 9, 10.
  • the cylinder In its central region, the cylinder has a transverse bore 14 in which the pivot shaft is mounted with the pinion which meshes with the rack.
  • the channel 11 has in its central region next to the transverse bore 14 a transverse bore 15 which opens into the piston chamber between the piston discs 5, 6.
  • the channel is penetrated by threaded bores 16, 17 into which throttle screws can be screwed, through which the respective throttle cross section can be adjusted.
  • the design of the piston can be seen in more detail in FIGS. 6 to 8.
  • the piston consists of the end-side piston disks 5, 6, which are connected to one another by the toothed rack 7.
  • the piston disks 5, 6 are provided with stepped axial bores 19, 20, into which steel balls 21, 22 forming check valves are inserted. These steel balls are secured against falling out by screwed-on locking plates in the manner shown.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Tools (AREA)

Claims (9)

1. Appareil d'entraînement comportant un levier (3) qui est fixé à un arbre de pivotement et est relié au piston (5, 6) à double effet d'un cylindre hydraulique (2) pour créer un moment de réaction, et un canal (11) présentant un dispositif d'étranglement (12), qui relie entre elles les chambres de cylindre (9, 10) séparées par le piston (5, 6) et remplies de liquide, caractérisé en ce que
le levier (3) est relié au piston (5, 6) de manière telle qu'un mouvement rotatif alternant du leviert (3) est transformé en un mouvement translatoire de va-et-vient du piston (5, 6),
l'arbre de pivotement traverse le cylindre (2) perpendiculairement et est logé dans des zones opposées de la paroi de cylindre,
et l'arbre de pivotement est relié au piston (5, 6) à l'intérieur du cylindre (2) au moyen d'un mécanisme (7, 8).
2. Appareil d'entraînement selon la revendication 1, caractérisé en ce qu'une soupape d'étranglement (16, 17) réglable est disposée respectivement dans des zones d'extrémité d'un canal (11) disposé dans la paroi de cylindre ou traversant celle-ci et qui débouche à chaque fois dans les zones extérieures des chambres de cylindre (9, 10) du cylindre (2), que le piston est constitué de deux disques de piston (5, 6) reliés entre eux de manière rigide et qui délimitent une chambre de piston, qu'un clapet anti-retour (21, 22) permettant un écoulement dans la chambre de cylindre adjacente (9, 10) est disposé dans chaque disque de piston (5, 6) et que le canal (11) situé entre les soupapes d'étranglement (16, 17) est pourvu d'une conduite (15) traversant la paroi de cylindre et débouchant dans la chambre de piston.
3. Appareil d'entraînement selon la revendication 2, caractérisé en ce que le piston est pourvu d'une crémaillère (7) à axe parallèle entre les disques de piston (5, 6), avec laquelle s'engrène un pignon (8) relié à l'arbre de pivotement de manière fixe.
4. Appareil d'entraînement selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le cylindre (2) est relié à l'appareil d'entraînement, constitué d'une chaise (1), d'une chaise longue ou analogue, de manière telle que l'arbre de pivotement soit aligné pour l'essentiel sur l'axe de l'articulation ou du centre de flexion du membre ou de la partie du corps à entraîner.
5. Appareil d'entraînement selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le cylindre (2) est relié à l'arbre de pivotement d'un deuxième cylindre de même nature, fixé à l'appareil d'entraînement, de manière telle que ledit arbre de pivotement soit aligné sur l'axe longitudinal du premier cylindre.
6. Appareil d'entraînement selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le cylindre (2) est pourvu d'au moins un dispositif mesurant la pression du fluide hydraulique dans une chambre de cylindre.
7. Appareil d'entraînement selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'il est prévu un dispositif qui indique la pression mesurée et/ou détermine le travail et/ou la performance à partir de celle-ci, l'affiche et/ou l'enregistre.
8. Appareil d'entraînement selon l'une quelconque des revendications 1 à 7, caractérisé en ce que l'angle de pivotement du levier (3) peut être réglé au moyen de butées.
9. Appareil d'entraînement selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la longueur du bras du levier (3) est réglable.
EP86109703A 1985-07-22 1986-07-15 Appareil d'entraînement Expired - Lifetime EP0218018B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86109703T ATE56887T1 (de) 1985-07-22 1986-07-15 Trainingsgeraet.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853526144 DE3526144A1 (de) 1985-07-22 1985-07-22 Trainingsgeraet
DE3526144 1985-07-22

Publications (2)

Publication Number Publication Date
EP0218018A1 EP0218018A1 (fr) 1987-04-15
EP0218018B1 true EP0218018B1 (fr) 1990-09-26

Family

ID=6276407

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86109703A Expired - Lifetime EP0218018B1 (fr) 1985-07-22 1986-07-15 Appareil d'entraînement

Country Status (3)

Country Link
EP (1) EP0218018B1 (fr)
AT (1) ATE56887T1 (fr)
DE (1) DE3526144A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006024942A1 (de) * 2006-05-29 2007-12-06 Strong Power Engineering Consultant Ltd. Co. Oberschenkeltrainingsgerät

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3701821A1 (de) * 1986-12-05 1988-06-16 Kern Guenter Trainingsgeraet
DE3705493A1 (de) * 1987-01-22 1988-08-04 Kern Guenter Medizinisches diagnosegeraet
DE3704841C2 (de) * 1987-02-16 1996-06-13 Kern Guenter Trainingsgerät
DE3704918A1 (de) * 1987-02-17 1988-08-25 Kst Motorenversuch Gmbh Co Ruderergometer
DE3938162A1 (de) * 1989-11-16 1991-06-13 Hsieh Ming Hung Uebungsvorrichtung von bzw. mit einfachem harmonischen widerstand
US5088731A (en) * 1990-10-29 1992-02-18 M. Michael Carpenter Arm exercise machine
DE4401072C1 (de) * 1994-01-15 1995-05-04 Christian Otto Hydrodynamische Bremsvorrichtung, insbesondere für ein Trainingsgerät
AU2003217519A1 (en) * 2002-03-25 2003-10-08 Bon-Su Ku Hydraulic system of multipurpose motion organization
DE102004019328B3 (de) * 2004-04-21 2005-08-04 Josef Mittermaier Trainingsgerät
DE102004051371A1 (de) * 2004-04-21 2006-04-27 Josef Mittermaier Trainingsgerät
WO2007141760A1 (fr) * 2006-06-08 2007-12-13 Genesis Fitness (Pty) Ltd Dispositif d'exercice isocinétique
DE202018005987U1 (de) 2018-12-24 2019-01-24 Sven Kriegel Trainingsgerät
DE102018010128B3 (de) 2018-12-24 2020-01-02 Sven Kriegel Trainingsgerät

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR810361A (fr) * 1935-07-29 1937-03-20 Godesberger Prazisions Werkzeu Amortisseur hydraulique pour automobile
FR46495E (fr) * 1935-08-28 1936-06-04 Amortisseur hydraulique à volume constant et avec dispositif de réglage de pression
US3369403A (en) * 1965-10-23 1968-02-20 Exotronic Systems Ltd Hydraulic muscle strength developing apparatus
FR90727E (fr) * 1966-01-12 1968-02-02 Appareil de culture physique, plus particulièrement pour la rééducation musculaire ou la kinésithérapie
US3563542A (en) * 1968-07-18 1971-02-16 James M Wellman Arm exerciser
DE2839300C2 (de) * 1978-09-09 1982-04-22 Wiba AG, Kriens Krafttrainingsgerät
EP0041509A1 (fr) * 1979-12-14 1981-12-16 LEWIS, Robert Harrison Dispositif d'entrainement physique
US4406454A (en) * 1981-12-21 1983-09-27 Frances, Executrix Dean Arm wrestling apparatus
US4521012A (en) * 1983-01-31 1985-06-04 Patrick J. Cunningham Variable resistance exercise apparatus and improved method of exercising
GB8321728D0 (en) * 1983-08-12 1983-09-14 Horng Meei Spring Exercising apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006024942A1 (de) * 2006-05-29 2007-12-06 Strong Power Engineering Consultant Ltd. Co. Oberschenkeltrainingsgerät
DE102006024942B4 (de) * 2006-05-29 2009-10-01 Strong Power Engineering Consultant Ltd. Co. Oberschenkeltrainingsgerät

Also Published As

Publication number Publication date
DE3526144C2 (fr) 1987-07-16
DE3526144A1 (de) 1987-01-29
EP0218018A1 (fr) 1987-04-15
ATE56887T1 (de) 1990-10-15

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