EP0305650B1 - Dispositif de réglage manuel pour valves de commande - Google Patents

Dispositif de réglage manuel pour valves de commande Download PDF

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Publication number
EP0305650B1
EP0305650B1 EP88108245A EP88108245A EP0305650B1 EP 0305650 B1 EP0305650 B1 EP 0305650B1 EP 88108245 A EP88108245 A EP 88108245A EP 88108245 A EP88108245 A EP 88108245A EP 0305650 B1 EP0305650 B1 EP 0305650B1
Authority
EP
European Patent Office
Prior art keywords
adjustment device
arm rest
control lever
support surface
arm
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
EP88108245A
Other languages
German (de)
English (en)
Other versions
EP0305650A1 (fr
Inventor
Richard Soederberg
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.)
Dr Ing HCF Porsche AG
Original Assignee
Dr Ing HCF Porsche AG
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 Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Publication of EP0305650A1 publication Critical patent/EP0305650A1/fr
Application granted granted Critical
Publication of EP0305650B1 publication Critical patent/EP0305650B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/52—Controlling members specially adapted for actuation by other parts of the human body than hand or foot
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20396—Hand operated

Definitions

  • the invention relates to a manual actuating device according to the preamble of claim 1.
  • a transmission shifting device for motor vehicles which comprises a shift lever which is connected to a tube carrying an armrest, which is fastened to a pivoting lever and acts on the vehicle transmission via a linkage.
  • the armrest is provided with a flat support surface and extends over part of the tube and thus only partially supports the operator's forearm, no support or support for the hand or for the wrist being provided between the shift lever handle and the end of the armrest is. Secure storage of the forearm, especially in the event of vibrations, is not guaranteed.
  • an armrest for a vehicle which comprises a flat support surface for the forearm of an operator with one or more laterally raised walls and which has pivotable switching levers in the grip area of the hand for actuating control elements.
  • the object of the invention is to provide a manually operated actuating device which enables a shift lever to be operated fatigue-free and safe in every driving and standing situation of the truck.
  • the shift lever should also have such an adjustment device which both ensures stable support for the vehicle body and also allows the shift lever to move in the longitudinal and transverse directions.
  • the main advantages achieved by the invention are that through the one-piece molded part formed from the armrest and the shift lever, a forearm of the operator and the shape of the forearm largely adapted recess is provided in the armrest and thereby an optimal support from the elbow joint to the hand is achieved.
  • This has the advantage that the forearm can be stored during the operation of the shift lever in such a way that no significant movement in the wrist and thus no additional stress occurs during the working phase, which would cause disadvantageous fatigue.
  • the armrest is additionally in the hand area in the support area especially in the transition to the shift lever, a trough-shaped area is provided for the hand so that it can be easily stored and has a fixed abutment on the armrest.
  • a support surface for the hand is also provided in front of the shift lever.
  • the adjusting device is also connected to a height adjustment device, so that an optimal adaptation to each operator of the truck takes place.
  • An adjustment device with a guide joint and support elements is provided below the armrest part of the shift lever. These are arranged so that they are covered by the armrest part or surrounded by a folding cuff.
  • actuation acts or switches are provided which are assigned to the corresponding fingers of the operator's hand for easy operation.
  • the actuating device 1 is arranged in a driver's cab of a forklift vehicle 2 in a side wall of the body 3 and, viewed in the direction of travel F, is provided on the right next to a steering wheel 4, as shown in FIG. 1.
  • This actuating device 1 comprises an approximately vertically oriented shift lever 5, which is designed as a molded part with an approximately horizontally mounted armrest 6. With an underside 7 of the armrest 6, an adjustment device 8 is connected, which is enclosed by a bellows.
  • the armrest 6 has a shaped support surface 9 which extends over the entire length of the forearm of an operator _ from the elbow joint to the operating hand _. This runs into the shift lever 5, so that the surface 9 is continuously continuous and there is a molded part with an integrated shift lever 5 and armrest 6.
  • a trough-shaped depression 11 is formed from the plane X-X, which provides a firm lower support for the operating hand.
  • the armrest 6 is provided with a longitudinal depression 12 (FIG. 4), which deepens towards the shift lever 5 and has an outer, raised edge 13 formed on the longitudinal side and arranged in a partial area in front of the shift lever 5 is.
  • the edge 13 runs in an arc shape and corresponds to a further raised edge 13a, which is arranged on the opposite longitudinal side of the support surface 9 and delimits it.
  • the longitudinal depression 12 is located approximately in the central area 9a of the support surface 9 and is deeper than in the rear tapering area 9b of these surfaces 9.
  • the depression 12 is adapted to the anatomical shape of the forearm of the operator, so that it provides an optimal bedding on the Armrest 6 occupies.
  • a support surface 32 is provided on the free front end 6a of the armrest 6 to support the hand of the operator that engages around the shift lever 5.
  • the adjusting device 8 essentially comprises a guide joint 14 and support elements 26 and 28, which consist of support rods 26a and 28a, which are supported via joints 15, 15a and 16, 16a.
  • the guide joint 14 has a mounting element 19 which is fixed to the structure and a slide ring 17 which is connected to the armrest 6.
  • the holding element 19 consists of a U-shaped bracket 19a running in the longitudinal direction of the armrest 6, which comprises a guide rod 18 running parallel to the underside 7 of the armrest 6.
  • the slide ring 17 is guided on this rod 18 and thus the armrest 6 is held on the shift lever 5 so that it can be moved and pivoted.
  • the adjusting device 1 can be pivoted within limits in the longitudinal directions 20 and through the articulation points 22, 22a formed by the slide ring 17 on the guide rod 18 in transverse directions 21 and 21a, as shown in FIG. 5 in more detail. Between these articulation points 22 and 22a, articulation points can also be formed, which make corresponding pivoting movements of the adjusting device 1 possible.
  • the slide ring 17 is additionally connected to a height adjustment device 23, which comprises an adjusting ring 24 held on the armrest 6, which is rotatably held on a threaded bolt 25 of the slide ring 23, which is not shown in detail.
  • the support joints 15 and 16 between the shift lever 5 and the guide joint 14 are arranged on the body side, the front support joint 15 being assigned to the first support rod 26a, which supports the armrest in a further joint 15a and which is connected to a control rod 27 for actuating control valves .
  • the second support rod 28 is supported on the body side via the joint 16 and the further joint 16a on the armrest side.
  • the shift lever 5 is designed such that opposite actuating buttons 29 and 30 are to be arranged in its peripheral gripping surface, a further actuating switch 31 being able to be provided in the end face of the shift lever.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Control Devices (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Seats For Vehicles (AREA)

Claims (10)

1. Dispositif de commande actionné à la main pour soupapes de commande d'un dispositif de levage hydraulique d'un véhicule, notamment d'un chariot élévateur à fourche rétractable, qui comporte un levier de manoeuvre (5) avec un accoudoir (6) qui supporte l'avant-bras, l'accoudoir comprenant une surface d'appui (9) sur son côté supérieur s'étendant sur la totalité de la longueur de l'avant-bras, et comportant à son extrémité un levier de manoeuvre orienté sensiblement verticalement, caractérisé en ce que l'accoudoir (6) est constitué d'un seul tenant avec le levier de manoeuvre (5) et forme un dispositif de commande mobile (1) qui est relié à un dispositif de fixation réglable (8) disposé sur son côté inférieur et constitué par un joint de coulisse (14) et des éléments d'appui (28 et 26), et en ce que l'accoudoir (6) comporte sur son côté supérieur une surface d'appui (9) conformée et adaptée à l'avant-bras, qui se prolonge à son extrémité par le levier de manoeuvre (5).
2. Dispositif de commande selon la revendication 1, caractérisé en ce que le joint de coulisse (14) comprend un élément de retenue (19) fixé à la carrosserie et un anneau coulissant (17) relié à l'accoudoir (6).
3. Dispositif de commande selon la revendication 1 ou 2, caractérisé en ce que l'élément de retenue (19) est constitué par un étrier en U (19a) orienté en direction longitudinale de l'accoudoir (6), et comprenant une tige de guidage (18) parallèle au côté inférieur (7) de l'accoudoir (6), tige sur laquelle est guidé l'anneau coulissant (17) et sur laquelle l'accoudoir (6) comprenant le levier de manoeuvre (5) peut se déplacer et pivoter.
4. Dispositif de commande selon la revendication 2 ou 3, caractérisé en ce que l'anneau coulissant (17) est relié à un dispositif de réglage en hauteur (23) qui comporte un anneau de réglage (24) fixé sur l'accoudoir (6) et monté de façon rotative sur un tourillon fileté (25) de l'anneau coulissant (17).
5. Dispositif de commande selon une ou plusieurs des revendications précédentes, caractérisé en ce que les éléments d'appui (26, 28) comprennent des tiges de retenue (26a et 28a) orientées verticalement et sont disposés entre le levier de manoeuvre (5) et le joint de coulisse (14), les extrémités libres tournées vers la carrosserie des tiges s'appuyant dans des articulations (15 et 16) et les extrémités libres des tiges tournées vers l'accoudoir s'appuyant dans d'autres articulations (15a et 16a).
6. Dispositif de commande selon une ou plusieurs des revendications précédentes, caractérisé en ce que le levier de manoeuvre (5) comprend sur sa surface de prise périphérique des boutons de manoeuvre (29, 30) ainsi qu'un interrupteur de commande (31) sur son extrémité frontale.
7. Dispositif de commande selon une ou plusieurs des revendications précédentes, caractérisé en ce que la surface d'appui (9) comprend un enfoncement (12) arrondi en forme d'auge, disposé en direction longitudinale de l'accoudoir (6) et adapté à l'avant-bras, enfoncement qui est muni en partie sur l'un de ses côtés longitudinaux d'un bord relevé extérieur (13).
8. Dispositif de commande selon une ou plusieurs des revendications précédentes, caractérisé en ce que le bord (13) est de forme courbe et disposé en correspondance d'un autre bord relevé (13a) limitant le côté longitudinal opposé de la surface d'appui (9).
9. Dispositif de commande selon une ou plusieurs des revendications précédentes, caractérisé en ce que l'enfoncement longitudinal (12) est plus profond sensiblement dans la région centrale (9a) de la surface d'appui (9) que dans la région arrière (9b) de cette surface d'appui (9).
10. Dispositif de commande selon une ou plusieurs des revendications précédentes, caractérisé en ce que le levier de manoeuvre (5) comprend dans sa région de pied une surface d'appui (32) constituée à l'extrémité avant libre (6a) de l'accoudoir (6).
EP88108245A 1987-08-26 1988-05-24 Dispositif de réglage manuel pour valves de commande Expired - Lifetime EP0305650B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3728373A DE3728373C2 (de) 1987-08-26 1987-08-26 Handbetätigbare Stellvorrichtung für Steuerventile
DE3728373 1987-08-26

Publications (2)

Publication Number Publication Date
EP0305650A1 EP0305650A1 (fr) 1989-03-08
EP0305650B1 true EP0305650B1 (fr) 1991-04-03

Family

ID=6334466

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88108245A Expired - Lifetime EP0305650B1 (fr) 1987-08-26 1988-05-24 Dispositif de réglage manuel pour valves de commande

Country Status (5)

Country Link
US (1) US4895040A (fr)
EP (1) EP0305650B1 (fr)
JP (1) JP2578484B2 (fr)
DE (2) DE3728373C2 (fr)
ES (1) ES2021794B3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
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DE4206515C1 (fr) * 1992-03-02 1993-03-11 Jungheinrich Ag, 2000 Hamburg, De
CN103991823A (zh) * 2014-06-03 2014-08-20 丹阳市长江汽车部件有限公司 一种拇指控与操纵杆可互换式的叉车操纵系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4206515C1 (fr) * 1992-03-02 1993-03-11 Jungheinrich Ag, 2000 Hamburg, De
CN103991823A (zh) * 2014-06-03 2014-08-20 丹阳市长江汽车部件有限公司 一种拇指控与操纵杆可互换式的叉车操纵系统

Also Published As

Publication number Publication date
DE3728373C2 (de) 1994-01-27
DE3728373A1 (de) 1989-03-09
EP0305650A1 (fr) 1989-03-08
DE3862264D1 (de) 1991-05-08
US4895040A (en) 1990-01-23
ES2021794B3 (es) 1991-11-16
JP2578484B2 (ja) 1997-02-05
JPS6470809A (en) 1989-03-16

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