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EP0749936B1 - Vehicle jack - Google Patents

Vehicle jack Download PDF

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Publication number
EP0749936B1
EP0749936B1 EP96108291A EP96108291A EP0749936B1 EP 0749936 B1 EP0749936 B1 EP 0749936B1 EP 96108291 A EP96108291 A EP 96108291A EP 96108291 A EP96108291 A EP 96108291A EP 0749936 B1 EP0749936 B1 EP 0749936B1
Authority
EP
European Patent Office
Prior art keywords
support arm
vehicle jack
jack
angle attachment
vehicle
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
EP96108291A
Other languages
German (de)
French (fr)
Other versions
EP0749936A3 (en
EP0749936A2 (en
Inventor
Peter Brosius
Andreas Huber
Ludger Hilvert
Ferdinand Alten
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.)
ThyssenKrupp Bilstein GmbH
Original Assignee
ThyssenKrupp Bilstein 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
Priority claimed from DE19521994A external-priority patent/DE19521994A1/en
Application filed by ThyssenKrupp Bilstein GmbH filed Critical ThyssenKrupp Bilstein GmbH
Publication of EP0749936A2 publication Critical patent/EP0749936A2/en
Publication of EP0749936A3 publication Critical patent/EP0749936A3/en
Application granted granted Critical
Publication of EP0749936B1 publication Critical patent/EP0749936B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F3/00Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/08Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
    • B66F3/12Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated comprising toggle levers

Definitions

  • the invention relates to a jack with a body and a support arm movably attached to it according to the preamble of claim 1.
  • Jacks are needed, preferably in the case of a car To be able to raise a breakdown, for example, a defective wheel exchange for a spare wheel. It should be noted that Jacks are safety parts on the one hand, if they fail there is a risk of injury to the operator. On the other hand, jacks are at today's quality used by cars only extremely rarely, so that for most Time of life of a car transported as an additional weight Need to become. This means that the jack is the must have the required safety of a safety part, on the other hand, they should be inexpensive and light.
  • DE 78 01 157 U1 shows a jack according to the preamble of claim 1.
  • the free end of the support arm in the direction of vehicle to be lifted angled In order to ensure on the one hand that the Jack is used in vehicles with low ground clearance can be achieved, with the greatest possible lifting height should and where the jack is as small as possible has, the free end of the support arm in the direction of vehicle to be lifted angled.
  • the one shown here Training the support arm requires a complex and material-intensive Manufacturing, if the support arm as usual as a bent sheet metal part is trained.
  • a similar problem is proposed in DE 75 06 553 U for a mainstay, a correspondingly angled foot by welding to the Stand column to connect. This training requires a complex Manufacturing and, because the weld seam, the highest loads is subjected to an additional weld inspection.
  • the invention has for its object to provide a jack train the preamble of claim 1 such that designed the angle of the support arm with simple means can be. This object is achieved by the features of claim 1 solved. Advantageous training and further education are described in claims 2 to 12.
  • a jack in a simple manner with an angled Support arm end can be provided.
  • the base body of the support arm from aluminum and the angle attachment, for example with a rotating Support plate is formed and therefore as a welded structure must be trained in steel.
  • the angle attachment made of plastic for example by spraying becomes.
  • Jack the simple construction of different series. Since the Angle attachment manufactured independently of the rest of the jack and can be stored, it is easily possible to use these with different Basic jack construction and vice versa to combine after the actual production. That means, that for example for a jack construction a given lifting height combines different angle attachments can be the different sill seam shapes or take into account different clearances.
  • the final assembly can be completed after the two Individual parts are made after painting.
  • the invention has another object based on a jack with the features of claim 7 in such a way that always the optimal position the jack is specified under the vehicle, where the maximum limit cases, loaded vehicle, defective tires and empty vehicle full of tires, find consideration and so that the load delivery point with respect to the contact point of the Jack remains in the friction cone.
  • Such jacks advantageously have an even greater variety on so that the number of jack body for a series can be reduced even more.
  • The is due to the fact that when the jack is placed on the Load delivery point is always optimally above the contact point.
  • Jacks usually have a foot 1 or a base plate 2 with which they stand on the ground 3.
  • the actual stand bodies can be designed differently his.
  • a support arm 4 over a horizontal pivot axis 5th is movably attached to the stand body.
  • a rigid or movable support receptacle 7 attached to a suitable location of the vehicle, preferably on the vehicle floor 8, or in an opening of the Vehicle engages.
  • Via a movement spindle 9, which a crank 10 is rotated Via a raising or lowering of the Free end 6 of the support arm 4 with respect to the base 3 reached.
  • Fig. 1 shows a single-arm jack.
  • the stand body this jack essentially consists of a mainstay 11, which is formed at the uprising end with a rigid foot 1 is.
  • the opposite end of the support leg 11 rotates a nut 12 with a moving spindle 9 interacts.
  • the support arm 4 is approximately in the center of the supporting leg 11 via a rotary joint 13, which has a horizontal pivot axis 5 forms, articulated.
  • the movement spindle 9 engages with her one end on the support arm 4. At the other end is the crank 10 appropriate.
  • the base body 14 is linear extends, an angle attachment 15 is attached.
  • This in turn carries a pivot pin 16 a Support mount 7, which is used to lift the vehicle under the sill 17 is applied. Due to the special shape of the Carrying receptacle 7 engages around the sill seam 18, whereby a perfect installation of the support receptacle 7 under the sill 17 is guaranteed.
  • the double articulated jack shown in Fig. 2 is opposite the one-arm jack shown in Fig. 1 much more complex designed.
  • the mainstay of this jack is 11 compared to the surface 3 with a rotating foot a base plate 2 supported what the surface pressure to the ground 3 significantly reduced.
  • the support arm 4 is here in the area the nut 12 for the movement spindle 9 at the upper end of the main leg 11 articulated to this.
  • the lifting movement that is initiated via the movement spindle 9 and the crank 10, is articulated accordingly to the pillar 11 and the Support arm 4 connected parallelogram rods 19 transmitted.
  • the Base body 14 of the support arm 4 is corresponding in the training Fig. 2 formed as a U-shaped sheet metal part, wherein the bottom 20 is directed outwards.
  • Angle attachment 15 and base body 14 of the support arm 4 are in the 2 achieved in that a rib 21 in engages a transverse slot 22 of the bottom 20 of the base body 14.
  • the angle attachment 15 engages at the free end 6 of the base body 14 of the support arm 4 between the lateral legs 23 of the sheet profile.
  • An attachment rivet 24 forms an additional one Fastening and position fixing between angle attachment 15 and Basic body 14.
  • the angle attachment 15 carries a rotatably connected support receptacle 7.
  • Fig. 3 shows an embodiment of the formation of an angle attachment 15 and its connection to the free end 6 of Base body 14 of the support arm 4 for the formation of a support arm 4 corresponding to FIG. 1.
  • the base body 14 of the support arm 4 is also formed here as a U-shaped sheet metal part.
  • the angle attachment 15 is at this training also formed as a sheet metal part, which also has a basically U-shaped cross section.
  • the side legs 25 are connected to one another by a base 26 connected.
  • the open edges of the side legs 25 are above also provided with reinforcing flanges 27.
  • the angle attachment 15 passes through with its lower end 28 Opening 29 in the base 20 of the base body 14 of the support arm 4.
  • the base body 14 of the Support arm 4 as well as the main leg 11 for reasons of weight reduction of the jack is made of aluminum.
  • the angle attachment 15 is made of sheet steel manufactured. This choice of materials makes it technological simple and secure connection of the support pin 16 to the side legs 25 of the angle attachment 15 allows welding.
  • Fig. 4 shows a one-arm joint jack consisting of a Leg 11, which at its uprising end with a rotatable Foot 1 is formed.
  • the opposite end of the Stand 11 is with a receptacle 32 for carrying a rotatable Mother who interacts with a moving spindle 9, educated.
  • the movement spindle is 9 only schematically and the mother for simplification at all not shown.
  • Above the middle is 11 on the main leg a swivel in the form of a horizontal pivot axis 5 of the Support arm 4 articulated.
  • the movement spindle 9 engages with her one end on the support arm 4 and at the other end of the movement spindle 9, a crank, not shown, is attached.
  • the base body 14 is linear extends, an angle attachment 15 is attached.
  • This in turn carries a pivot pin 16 a Support mount 7, which is used to lift the vehicle under the sill 17 is applied. Due to the special shape of the support 7 engages around the sill seam 18, whereby a flawless installation of the support receptacle 7 under the sill 17 is guaranteed.
  • the base body 14 of the support arm is U-shaped bent sheet metal part formed. He has a bottom 20 on, which continues in two lateral legs 23.
  • the angle attachment 15 is also formed as a sheet metal part, which also has a basically U-shaped cross section having.
  • the side legs 25 are connected to one another by a base 26 connected.
  • the open edges of the side legs 25 are also with not shown, curved inwards Reinforcement flanges provided.
  • the angle attachment 15 passes through with its lower end 28 an opening 29 on the floor 20 of the base body 14 of the support arm 4.
  • the fixation of the angle attachment 15 on the base body 14 is carried out by a fastening rivet 24, the penetrating holes in both parts and connects the two parts.
  • the rotatable foot 1 which on a hinge pin 33 on Leg 11 is connected, has a base plate 2, the each merges into a side part 34 on the left and right.
  • the Tilting the foot 1 depends on the position of the support arm 4 controlled to the pillar 11. This control takes place via a control rod 35 moved by the support arm 4.
  • the control rod 35 is formed at its upper end with a linear toothing 36, whose teeth are in the teeth of an arcuate toothing 37 engage at the end of the support arm 4 on the pivot axis.
  • the Control rod 35 lies within the supporting leg 11 on the latter Floor 38 and is guided and fastened here in a longitudinally movable manner. This attachment and guidance is only shown schematically.
  • control rod 35 moves the base plate 2 of the foot 1, so that the angle of the leg 11 controlled in dependence on the initial load lifting height is that the jack at the different vehicle-related approach heights and during the entire lifting process remains in the friction cone. Because the control rod is arranged within the mainstay, is the danger less pollution, as well as the risk of injury the operator is less because of the moving control rod 36 cannot be touched from the outside.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Body Structure For Vehicles (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)

Description

Die Erfindung betrifft einen Wagenheber mit einem Standkörper und einem daran beweglich befestigten Tragarm nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a jack with a body and a support arm movably attached to it according to the preamble of claim 1.

Wagenheber werden benötigt, um vorzugsweise PKW im Falle einer Panne anheben zu können, um beispielsweise ein defektes Rad gegen ein Reserverad auszutauschen. Dabei ist zu beachten, daß Wagenheber zum einen Sicherheitsteile sind, da, falls sie versagen würden, die Gefahr der Verletzung für den Bediener besteht. Zum anderen werden Wagenheber bei der heutigen Qualität von PKW's nur äußerst selten benötigt, so daß sie für die meiste Zeit des Lebens eines PKW's als zusätzliches Gewicht transportiert werden müssen. Das bedingt, daß Wagenheber zwar die erforderliche Sicherheit eines Sicherheitsteils aufweisen müssen, zum anderen aber preiswert und leicht gestaltet sein sollten.Jacks are needed, preferably in the case of a car To be able to raise a breakdown, for example, a defective wheel exchange for a spare wheel. It should be noted that Jacks are safety parts on the one hand, if they fail there is a risk of injury to the operator. On the other hand, jacks are at today's quality used by cars only extremely rarely, so that for most Time of life of a car transported as an additional weight Need to become. This means that the jack is the must have the required safety of a safety part, on the other hand, they should be inexpensive and light.

Die DE 78 01 157 U1 zeigt einen Wagenheber nach dem Oberbegriff des Patentanspruchs 1. Um zum einen zu gewährleisten, daß der Wagenheber bei Fahrzeugen mit geringer Bodenfreiheit eingesetzt werden kann, wobei eine möglichst große Hubhöhe erreicht werden soll und wobei der Wagenheber eine möglichst geringe Baugröße aufweist, ist das freie Ende des Tragarms in Richtung auf das zu hebende Fahrzeug gewinkelt ausgebildet. Die hier gezeigte Ausbildung des Tragarms bedingt eine aufwendige und materialintensive Fertigung, sofern der Tragarm wie üblich als Blechbiegeteil ausgebildet ist. Bei einer ähnlichen Problemstellung wird in der DE 75 06 553 U für ein Standbein vorgeschlagen, einen entsprechend abgewinkelten Fuß durch Verschweißen mit der Standsäule zu verbinden. Diese Ausbildung bedarf einer aufwendigen Fertigung und, da die Schweißnaht höchsten Belastungen ausgesetzt ist, einer zusätzlichen Schweißnahtkontrolle.DE 78 01 157 U1 shows a jack according to the preamble of claim 1. In order to ensure on the one hand that the Jack is used in vehicles with low ground clearance can be achieved, with the greatest possible lifting height should and where the jack is as small as possible has, the free end of the support arm in the direction of vehicle to be lifted angled. The one shown here Training the support arm requires a complex and material-intensive Manufacturing, if the support arm as usual as a bent sheet metal part is trained. With a similar problem is proposed in DE 75 06 553 U for a mainstay, a correspondingly angled foot by welding to the Stand column to connect. This training requires a complex Manufacturing and, because the weld seam, the highest loads is subjected to an additional weld inspection.

Der Erfindung liegt die Aufgabe zugrunde, einen Wagenheber nach dem Oberbegriff des Patentanspruchs 1 derartig auszubilden, daß die Abwinkelung des Tragarms mit einfachen Mitteln gestaltet werden kann. Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst. Vorteilhafte Aus- und Weiterbildungen sind in den Ansprüchen 2 bis 12 beschrieben.The invention has for its object to provide a jack train the preamble of claim 1 such that designed the angle of the support arm with simple means can be. This object is achieved by the features of claim 1 solved. Advantageous training and further education are described in claims 2 to 12.

Die mit der Erfindung erzielten Vorteile bestehen darin, daß ein Wagenheber in einfacher Weise mit einem abgewinkelt ausgebildeten Tragarmende versehen werden kann. Vorteilhaft können bei der erfindungsgemäßen Ausbildung unterschiedliche Werkstoffe am Tragarm eingesetzt werden. Beispielsweise ist es möglich, den Grundkörper des Tragarms aus Aluminium herzustellen und den Winkelaufsatz, der beispielsweise mit einer drehbeweglichen Tragplatte ausgebildet ist und von daher als Schweißkonstruktion ausgebildet werden muß, aus Stahl. Es ist aber in gleicher Weise denkbar, daß beispielsweise der Winkelaufsatz aus Kunststoff, beispielsweise durch Spritzen, hergestellt wird. Darüber hinaus vorteilhaft ermöglichen erfindungsgemäße Wagenheber den einfachen Aufbau verschiedener Baureihen. Da der Winkelaufsatz unabhängig vom übrigen Wagenheber gefertigt und gelagert werden kann, ist es einfach möglich, diesen mit verschiedenen Wagenhebergrundkonstruktionen und umgekehrt auch noch nach der eigentlichen Fertigung zu kombinieren. Das bedeutet, daß beispielsweise für eine Wagenheberkonstruktion mit einer vorgegebenen Hubhöhe unterschiedliche Winkelaufsätze kombiniert werden können, die unterschiedliche Schwellernahtformen oder unterschiedliche Bodenfreiheiten berücksichtigen. Die Endmontage kann nach dem vollständigen Fertigstellen der beiden Einzelteile nach deren Lackierung erfolgen.The advantages achieved by the invention are that a jack in a simple manner with an angled Support arm end can be provided. Can be advantageous different materials in the inventive design be used on the support arm. For example, it is possible to manufacture the base body of the support arm from aluminum and the angle attachment, for example with a rotating Support plate is formed and therefore as a welded structure must be trained in steel. But it is in conceivable in the same way that, for example, the angle attachment made of plastic, for example by spraying becomes. In addition, advantageously enable according to the invention Jack the simple construction of different series. Since the Angle attachment manufactured independently of the rest of the jack and can be stored, it is easily possible to use these with different Basic jack construction and vice versa to combine after the actual production. That means, that for example for a jack construction a given lifting height combines different angle attachments can be the different sill seam shapes or take into account different clearances. The final assembly can be completed after the two Individual parts are made after painting.

Die Ausbildung mit den Merkmalen gemäß Anspruch 7 führt zu einer geringeren Bodenpressung.The training with the features of claim 7 leads to a lower soil pressure.

Der Vorteil der Kombination von Wagenhebergrundtypen mit Winkelaufsätzen am Tragarm, die der jeweiligen Fahrzeugbodenkontur am Ansatzpunkt des Wagenhebers angepaßt sind, mit einem drehbeweglichen Fuß, kann dazu führen, daß bei falschem Ansetzen des Wagenhebers unter dem Fahrzeug der Lastabgabepunkt unter dem Fahrzeug gegenüber dem Aufsatzpunkt des Wagenhebers auf dem Untergrund aus dem Reibungskegel auswandert, was aus sicherheitstechnischen Gründen nicht zulässig ist, weil dann der Wagenheber unter dem angehobenen Fahrzeug wegrutschen kann, was mit einer entsprechenden Verletzungsgefahr für die Bedienungsperson verbunden ist. Von daher liegt der Erfindung die weitere Aufgabe zugrunde, einen Wagenheber mit den Merkmalen nach Anspruch 7 derartig weiterzubilden, daß stets die optimale Ansetzposition des Wagenhebers unter dem Fahrzeug vorgegeben wird, wobei die maximalen Grenzfälle, beladenes Fahrzeug, defekter Reifen und leeres Fahrzeug voller Reifen, Berücksichtigung finden und damit der Lastabgabepunkt bezüglich des Aufstandspunktes des Wagenhebers im Reibungskegel bleibt. The advantage of combining basic jack types with angle attachments on the support arm, that of the respective vehicle floor contour are adjusted at the starting point of the jack, with a rotating Feet, can lead to incorrect positioning of the Jack under the vehicle's load point under the Vehicle opposite the jack's point of contact on the ground emigrates from the friction cone, what from safety-related Reasons is not allowed because then the jack can slip under the raised vehicle, what with a corresponding risk of injury to the operator connected is. Therefore, the invention has another object based on a jack with the features of claim 7 in such a way that always the optimal position the jack is specified under the vehicle, where the maximum limit cases, loaded vehicle, defective tires and empty vehicle full of tires, find consideration and so that the load delivery point with respect to the contact point of the Jack remains in the friction cone.

Die diesbezügliche Lösung wird im Anspruch 8 beschrieben.The relevant solution is described in claim 8.

Vorteilhaft weisen derartige Wagenheber eine noch größere Variationsvielfalt auf, so daß die Anzahl der Wagenhebergrundkörper für eine Baureihe noch stärker reduziert werden kann. Das ist dadurch bedingt, daß beim Ansetzen des Wagenhebers der Lastabgabepunkt stets optimal über dem Aufstandspunkt liegt.Such jacks advantageously have an even greater variety on so that the number of jack body for a series can be reduced even more. The is due to the fact that when the jack is placed on the Load delivery point is always optimally above the contact point.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden beschrieben. Es zeigen

Fig. 1
einen Einarmgelenk-Wagenheber,
Fig. 2
einen Doppelgelenk-Wagenheber,
Fig. 3
die vergrößerte Darstellung des Tragarmendes entsprechend Fig. 1 und
Fig. 4
einen Wagenheber mit drehbeweglichem Fuß und Steuerstange.
An embodiment of the invention is shown in the drawing and is described below. Show it
Fig. 1
a single-arm jack,
Fig. 2
a double articulated jack,
Fig. 3
the enlarged view of the support arm end according to Fig. 1 and
Fig. 4
a jack with a rotating foot and control rod.

Wagenheber weisen üblicherweise einen Fuß 1 oder eine Bodenplatte 2 auf, mit dem bzw. der sie auf dem Untergrund 3 stehen. Die eigentlichen Standkörper können unterschiedlich ausgebildet sein. Bei den gattungsgemäßen Wagenhebern ist es jedoch vorgesehen, daß ein Tragarm 4 über eine horizontale Schwenkachse 5 beweglich am Standkörper befestigt ist. Am freien Ende 6 des Tragarms 4 ist dann eine starre oder bewegliche Tragaufnahme 7 angebracht, die an einer geeigneten Stelle des Fahrzeugs, vorzugsweise am Fahrzeugboden 8, anliegt bzw. in eine Öffnung des Fahrzeugs eingreift. Über eine Bewegungsspindel 9, die über eine Kurbel 10 gedreht wird, wird ein Anheben bzw. Absenken des freien Endes 6 des Tragarms 4 gegenüber dem Untergrund 3 erreicht. Jacks usually have a foot 1 or a base plate 2 with which they stand on the ground 3. The actual stand bodies can be designed differently his. In the generic jacks, however, it is provided that that a support arm 4 over a horizontal pivot axis 5th is movably attached to the stand body. At the free end 6 of the Support arm 4 is then a rigid or movable support receptacle 7 attached to a suitable location of the vehicle, preferably on the vehicle floor 8, or in an opening of the Vehicle engages. Via a movement spindle 9, which a crank 10 is rotated, a raising or lowering of the Free end 6 of the support arm 4 with respect to the base 3 reached.

Fig. 1 zeigt einen Einarmgelenk-Wagenheber. Der Standkörper dieses Wagenhebers besteht im wesentlichen aus einem Standbein 11, das am Aufstandsende mit einem starren Fuß 1 ausgebildet ist. Das gegenüberliegende Ende des Standbeins 11 nimmt drehbeweglich eine Mutter 12 auf, die mit einer Bewegungsspindel 9 zusammenwirkt. Etwa mittig am Standbein 11 ist der Tragarm 4 über ein Drehgelenk 13, das eine horizontale Schwenkachse 5 bildet, angelenkt. Die Bewegungsspindel 9 greift mit ihrem einen Ende am Tragarm 4 an. Am anderen Ende ist die Kurbel 10 angebracht.Fig. 1 shows a single-arm jack. The stand body this jack essentially consists of a mainstay 11, which is formed at the uprising end with a rigid foot 1 is. The opposite end of the support leg 11 rotates a nut 12 with a moving spindle 9 interacts. The support arm 4 is approximately in the center of the supporting leg 11 via a rotary joint 13, which has a horizontal pivot axis 5 forms, articulated. The movement spindle 9 engages with her one end on the support arm 4. At the other end is the crank 10 appropriate.

Am freien Ende 6 des Tragarms 4, dessen Grundkörper 14 sich liniear erstreckt, ist ein Winkelaufsatz 15 angebracht. Dieser trägt wiederum über einen Tragbolzen 16 kippbeweglich eine Tragaufnahme 7, die zum Heben des Fahrzeuges unter dem Schweller 17 angesetzt wird. Aufgrund der speziellen Formgebung der Tragaufnahme 7 umgreift diese die Schwellernaht 18, wodurch eine einwandfreie Anlage der Tragaufnahme 7 unter dem Schweller 17 gewährleistet wird.At the free end 6 of the support arm 4, the base body 14 is linear extends, an angle attachment 15 is attached. This in turn carries a pivot pin 16 a Support mount 7, which is used to lift the vehicle under the sill 17 is applied. Due to the special shape of the Carrying receptacle 7 engages around the sill seam 18, whereby a perfect installation of the support receptacle 7 under the sill 17 is guaranteed.

Der in Fig. 2 gezeigte Doppelgelenk-Wagenheber ist gegenüber dem in Fig. 1 gezeigten Einarmgelenk-Wagenheber wesentlich aufwendiger gestaltet. Bei diesem Wagenheber wird das Standbein 11 gegenüber dem Untergrund 3 über einen drehbeweglichen Fuß mit einer Bodenplatte 2 abgestützt, was die Flächenpressung zum Untergrund 3 wesentlich reduziert. Der Tragarm 4 ist hier im Bereich der Mutter 12 für die Bewegungsspindel 9 am oberen Ende des Standbeins 11 an dieses angelenkt. Die Hubbewegung, die über die Bewegungsspindel 9 und die Kurbel 10 eingeleitet wird, wird über entsprechend gelenkig an das Standbein 11 und den Tragarm 4 angebundene Parallelogrammstangen 19 übertragen. Der Grundkörper 14 des Tragarms 4 ist bei der Ausbildung entsprechend Fig. 2 als U-förmiges Blechformteil ausgebildet, wobei der Boden 20 nach außen gerichtet ist. Der Formschluß zwischen Winkelaufsatz 15 und Grundkörper 14 des Tragarms 4 wird bei der Ausbildung nach Fig. 2 dadurch erreicht, daß eine Rippe 21 in einen Querschlitz 22 des Bodens 20 des Grundkörpers 14 eingreift. Der Winkelaufsatz 15 greift am freien Ende 6 des Grundkörpers 14 des Tragarms 4 zwischen die seitlichen Schenkel 23 des Blechprofils. Ein Befestigungsniet 24 bildet eine zusätzliche Befestigung und Lagefixierung zwischen Winkelaufsatz 15 und Grundkörper 14.The double articulated jack shown in Fig. 2 is opposite the one-arm jack shown in Fig. 1 much more complex designed. The mainstay of this jack is 11 compared to the surface 3 with a rotating foot a base plate 2 supported what the surface pressure to the ground 3 significantly reduced. The support arm 4 is here in the area the nut 12 for the movement spindle 9 at the upper end of the main leg 11 articulated to this. The lifting movement that is initiated via the movement spindle 9 and the crank 10, is articulated accordingly to the pillar 11 and the Support arm 4 connected parallelogram rods 19 transmitted. The Base body 14 of the support arm 4 is corresponding in the training Fig. 2 formed as a U-shaped sheet metal part, wherein the bottom 20 is directed outwards. The positive connection between Angle attachment 15 and base body 14 of the support arm 4 is in the 2 achieved in that a rib 21 in engages a transverse slot 22 of the bottom 20 of the base body 14. The angle attachment 15 engages at the free end 6 of the base body 14 of the support arm 4 between the lateral legs 23 of the sheet profile. An attachment rivet 24 forms an additional one Fastening and position fixing between angle attachment 15 and Basic body 14.

Der Winkelaufsatz 15 trägt, wie bereits in Fig. 1 beschrieben, eine drehbeweglich angebundene Tragaufnahme 7.As already described in FIG. 1, the angle attachment 15 carries a rotatably connected support receptacle 7.

Fig. 3 zeigt ein Ausführungsbeispiel der Ausbildung eines Winkelaufsatzes 15 und seine Anbindung an das freie Ende 6 des Grundkörpers 14 des Tragarms 4 für die Ausbildung eines Tragarms 4 entsprechend Fig. 1. Der Grundkörper 14 des Tragarms 4 ist auch hier als U-förmig gebogenes Blechformteil ausgebildet. Beim Grundkörper 14 des Tragarms 4 entsprechend Fig. 1 ist der Boden 20 jedoch nach unten gelegt. Der Winkelaufsatz 15 ist bei dieser Ausbildung ebenfalls als Blechformteil ausgebildet, welches auch einen im Grundsatz U-förmigen Querschnitt aufweist. Die Seitenschenkel 25 sind durch einen Boden 26 miteinander verbunden. Die offenen Ränder der Seitenschenkel 25 sind darüber hinaus mit Verstärkungsflanschen 27 versehen. Der Winkelaufsatz 15 durchgreift mit seinem unteren Ende 28 einen Durchbruch 29 im Boden 20 des Grundkörpers 14 des Tragarms 4. Am unteren Ende 28 des Winkelaufsatzes 15 sind bei der Ausbildung nach Fig. 3 Rastzähne 30 vorgesehen, die beim Einsetzen des Winkelaufsatzes 15 in den Grundkörper 14 durch den Durchbruch 29 zusammengedrückt werden und in der Endlage den Boden 20 untergreifen. Von daher kann der Winkelaufsatz 15 nicht mehr vom Grundkörper 14 ohne Zuhilfenahme von Werkzeugen gelöset werden. Zur Fixierung der Winkellage zwischen Grundkörper 14 und Winkelaufsatz 15 wird ein Hohlniet 31 in beide Teile durchdringende Bohrungen eingebracht und verbindet beide Teile miteinander.Fig. 3 shows an embodiment of the formation of an angle attachment 15 and its connection to the free end 6 of Base body 14 of the support arm 4 for the formation of a support arm 4 corresponding to FIG. 1. The base body 14 of the support arm 4 is also formed here as a U-shaped sheet metal part. In the base body 14 of the support arm 4 according to FIG. 1 is the Bottom 20, however, laid down. The angle attachment 15 is at this training also formed as a sheet metal part, which also has a basically U-shaped cross section. The side legs 25 are connected to one another by a base 26 connected. The open edges of the side legs 25 are above also provided with reinforcing flanges 27. The angle attachment 15 passes through with its lower end 28 Opening 29 in the base 20 of the base body 14 of the support arm 4. At the lower end 28 of the angle attachment 15 are in training 3 locking teeth 30 are provided, which when inserting of the angle attachment 15 in the base body 14 through the opening 29 are compressed and in the end position the floor 20 reach under. Therefore, the angle attachment 15 can no longer detached from the base body 14 without the aid of tools become. For fixing the angular position between base body 14 and angle attachment 15, a hollow rivet 31 penetrating into both parts Drilled holes and connects both parts.

Im beschriebenen Ausführungsbeispiel ist der Grundkörper 14 des Tragarms 4 ebenso wie das Standbein 11 aus Gründen der Gewichtsreduzierung des Wagenhebers aus Aluminium hergestellt. Um eine einfache drehbewegliche Anbindung der Tragaufnahme 7, die aus einem beliebigen Werkstoff bestehen kann, an den Tragarm 4 herstellen zu können, ist der Winkelaufsatz 15 aus Stahlblech gefertigt. Durch diese Werkstoffwahl wird die technologisch einfache und sichere Anbindung des Tragbolzens 16 an die Seitenschenkel 25 des Winkelaufsatzes 15 mittels Schweißen ermöglicht.In the described embodiment, the base body 14 of the Support arm 4 as well as the main leg 11 for reasons of weight reduction of the jack is made of aluminum. Around a simple rotatable connection of the support receptacle 7, the can consist of any material on the support arm 4th To be able to produce, the angle attachment 15 is made of sheet steel manufactured. This choice of materials makes it technological simple and secure connection of the support pin 16 to the side legs 25 of the angle attachment 15 allows welding.

Fig. 4 zeigt einen Einarmgelenk-Wagenheber, bestehend aus einem Standbein 11, das an seinem Aufstandsende mit einem drehbeweglichen Fuß 1 ausgebildet ist. Das gegenüberliegende Ende des Standbeins 11 ist mit einer Aufnahme 32 zum Tragen einer drehbeweglichen Mutter, die mit einer Bewegungsspindel 9 zusammenwirkt, ausgebildet. In der Zeichnung ist die Bewegungsspindel 9 nur schematisch und die Mutter zur Vereinfachung überhaupt nicht dargestellt. Oberhalb der Mitte ist am Standbein 11 über ein Drehgelenk in Form einer horizontalen Schwenkachse 5 der Tragarm 4 angelenkt. Die Bewegungsspindel 9 greift mit ihrem einen Ende am Tragarm 4 an und am anderen Ende der Bewegungsspindel 9 ist eine nicht dargestellte Kurbel angebracht. Fig. 4 shows a one-arm joint jack consisting of a Leg 11, which at its uprising end with a rotatable Foot 1 is formed. The opposite end of the Stand 11 is with a receptacle 32 for carrying a rotatable Mother who interacts with a moving spindle 9, educated. In the drawing, the movement spindle is 9 only schematically and the mother for simplification at all not shown. Above the middle is 11 on the main leg a swivel in the form of a horizontal pivot axis 5 of the Support arm 4 articulated. The movement spindle 9 engages with her one end on the support arm 4 and at the other end of the movement spindle 9, a crank, not shown, is attached.

Am freien Ende 6 des Tragarms 4, dessen Grundkörper 14 sich linear erstreckt, ist ein Winkelaufsatz 15 angebracht. Dieser trägt wiederum über einen Tragbolzen 16 kippbeweglich eine Tragaufnahme 7, die zum Heben des Fahrzeugs unter dem Schweller 17 angesetzt wird. Aufgrund der speziellen Formgebung der Tragaufnahme 7 umgreift dieser die Schwellernaht 18, wodurch eine einwandfreie Anlage der Tragaufnahme 7 unter dem Schweller 17 gewährleistet wird. Der Grundkörper 14 des Tragarms ist als U-förmig gebogenes Blechformteil ausgebildet. Er weist einen Boden 20 auf, der sich in zwei seitlichen Schenkeln 23 fortsetzt. Der Winkelaufsatz 15 ist ebenfalls als Blechformteil ausgebildet, welches auch einen im Grundsatz U-förmigen Querschnitt aufweist. Die Seitenschenkel 25 sind durch einen Boden 26 miteinander verbunden. Die offenen Ränder der Seitenschenkel 25 sind darüber hinaus mit nicht dargestellten, nach innen gebogenen Verstärkungsflanschen versehen. Der Winkelaufsatz 15 durchgreift mit seinem unteren Ende 28 einen Durchbruch 29 am Boden 20 des Grundkörpers 14 des Tragarms 4. Die Fixierung des Winkelaufsatzes 15 am Grundkörper 14 erfolgt durch einen Befestigungsniet 24, der in beide Teile durchdringende Bohrungen eingebracht wird und die beiden Teile miteinander verbindet.At the free end 6 of the support arm 4, the base body 14 is linear extends, an angle attachment 15 is attached. This in turn carries a pivot pin 16 a Support mount 7, which is used to lift the vehicle under the sill 17 is applied. Due to the special shape of the support 7 engages around the sill seam 18, whereby a flawless installation of the support receptacle 7 under the sill 17 is guaranteed. The base body 14 of the support arm is U-shaped bent sheet metal part formed. He has a bottom 20 on, which continues in two lateral legs 23. The angle attachment 15 is also formed as a sheet metal part, which also has a basically U-shaped cross section having. The side legs 25 are connected to one another by a base 26 connected. The open edges of the side legs 25 are also with not shown, curved inwards Reinforcement flanges provided. The angle attachment 15 passes through with its lower end 28 an opening 29 on the floor 20 of the base body 14 of the support arm 4. The fixation of the angle attachment 15 on the base body 14 is carried out by a fastening rivet 24, the penetrating holes in both parts and connects the two parts.

Der drehbewegliche Fuß 1, der über einen Gelenkbolzen 33 am Standbein 11 angebunden ist, weist eine Bodenplatte 2 auf, die jeweils links und rechts in ein Seitenteil 34 übergeht. Das Kippen des Fußes 1 wird abhängig von der Stellung des Tragarms 4 zum Standbein 11 gesteuert. Diese Steuerung erfolgt über eine vom Tragarm 4 bewegte Steuerstange 35. Die Steuerstange 35 ist an ihrem oberen Ende mit einer linearen Verzahnung 36 ausgebildet, deren Zähne in die Zähne einer bogenförmigen Verzahnung 37 am schwenkachsseitigen Ende des Tragarms 4 eingreifen. Beim Schwenken des Tragarms 4 gegenüber dem Standbein 11 verschiebt sich somit die Steuerstange 35 in Standbeinlängsrichtung. Die Steuerstange 35 liegt innerhalb des Standbeins 11 auf dessen Boden 38 und ist hier längsbeweglich geführt und befestigt. Diese Befestigung und Führung ist nur schematisch dargestellt.The rotatable foot 1, which on a hinge pin 33 on Leg 11 is connected, has a base plate 2, the each merges into a side part 34 on the left and right. The Tilting the foot 1 depends on the position of the support arm 4 controlled to the pillar 11. This control takes place via a control rod 35 moved by the support arm 4. The control rod 35 is formed at its upper end with a linear toothing 36, whose teeth are in the teeth of an arcuate toothing 37 engage at the end of the support arm 4 on the pivot axis. At the Swiveling the support arm 4 relative to the leg 11 moves thus the control rod 35 in the longitudinal leg direction. The Control rod 35 lies within the supporting leg 11 on the latter Floor 38 and is guided and fastened here in a longitudinally movable manner. This attachment and guidance is only shown schematically.

Mit ihrem unteren Ende 39 bewegt die Steuerstange 35 die Bodenplatte 2 des Fußes 1, so daß der Ansatzwinkel des Standbeines 11 in Abhängigkeit von der Anfangs-Lastaufnahmehubhöhe so gesteuert wird, daß der Wagenheber bei den unterschiedlichen fahrzeugbedingten Ansatzhubhöhen und während des gesamten Hubvorganges im Reibungskegel bleibt. Dadurch, daß die Steuerstange innerhalb des Standbeins angeordnet ist, ist die Gefahr der Verschmutzung geringer, ebenso wie die Verletzungsgefahr der Bedienungsperson geringer ist, weil die bewegte Steuerstange 36 nicht von außen berührt werden kann. With its lower end 39, the control rod 35 moves the base plate 2 of the foot 1, so that the angle of the leg 11 controlled in dependence on the initial load lifting height is that the jack at the different vehicle-related approach heights and during the entire lifting process remains in the friction cone. Because the control rod is arranged within the mainstay, is the danger less pollution, as well as the risk of injury the operator is less because of the moving control rod 36 cannot be touched from the outside.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1.1.
Fußfoot
2.Second
Bodenplattebaseplate
3.Third
Untergrundunderground
4.4th
TragarmBeam
5.5th
Schwenkachseswivel axis
6.6th
freies Endefree end
7.7th
Tragaufnahmea supporting device
8.8th.
Fahrzeugbodenvehicle floor
9.9th
Bewegungsspindelmovement spindle
10.10th
Kurbelcrank
11.11th
Standbeinfoothold
12.12th
Muttermother
13.13th
Drehgelenkswivel
14.14th
Grundkörperbody
15.15th
Winkelaufsatzangle attachment
16.16th
Tragbolzensupport bolts
17.17th
Schwellersill
18.18th
Schwellernahtsill seam
19.19th
Parallelogrammstangeparallelogram
20.20th
Bodenground
21.21st
Ripperib
22.22nd
Querschlitztransverse slot
23.23rd
Schenkelleg
24.24th
Befestigungsnietrivet
25.25th
Seitenschenkelside leg
26.26th
Bodenground
27.27th
Verstärkungsflanschreinforcing
28.28th
unteres Endelower end
29.29th
Durchbruchbreakthrough
30.30th
Rastzahn ratchet
31.31st
Hohlnietrivet
32.32nd
Aufnahmeadmission
33.33rd
Gelenkbolzenhinge pins
34.34th
Seitenteilside panel
35.35th
Steuerstangecontrol rod
36.36th
Verzahnunggearing
37.37th
Verzahnunggearing
38.38th
Bodenground
39.39th
EndeThe End

Claims (12)

  1. Vehicle jack having a stand body, which stands on the ground (3), and a support arm (4) which is connected thereto in such a way as to move about a fixed horizontal pivot axis (5) and which is raised or lowered with respect to the ground (3) directly or indirectly by a movement spindle (9), the free end (6) of which support arm is bent upwards towards the vehicle to be lifted and is formed with a supporting receiving device (7) pivotably connected to the upwardly bent end and wherein the pivot axis (16) of the pivotable supporting receiving device (7) lies above the upper side of the linear part of the support arm (4) by at least the height of the sill seam (18), characterised in that the support arm (4) is formed in at least two parts consisting of a linearly-extending basic body (14) and of an angle attachment (15) fixedly connected in a positive-locking manner to its free end (6), wherein the supporting receiving device (7) is connected to the angle attachment (15).
  2. Vehicle jack as claimed in claim 1, characterised in that the basic body (14) of the support arm (4) or the angle attachment (15) is provided with recesses into which ribs (21) or nubs of the angle attachment (15) or of the basic body (14) of the support arm (4) engage in a positive-locking manner.
  3. Vehicle jack as claimed in claim 2, characterised in that the recesses and the ribs (21) or nubs are formed as a snap-fit latch connection.
  4. Vehicle jack as claimed in any one or several of claims 1 to 3, characterised in that the angle attachment (15) is additionally connected to the basic body (14) of the support arm (4) by screwing, rivetting, prying or adhesive attachment.
  5. Vehicle jack as claimed in any one or several of claims 1 to 4, characterised in that the angle attachment (15) is formed with a rigid or moveable supporting receiving device (7).
  6. Vehicle jack as claimed in any one or several of claims 1 to 5, characterised in that the basic body (14) of the support arm (4) and the angle attachment (15) consist of different materials.
  7. Vehicle jack as claimed in any one or several of claims 1 to 6, characterised in that a foot (1) which can tilt about the tilt axis which extends parallel to the pivot axis (5) is disposed on the end of the stand body on which it stands.
  8. Vehicle jack as claimed in claim 7, characterised in that the tilting of the foot (1) is controlled in dependence upon the position of the support arm (4).
  9. Vehicle jack as claimed in claim 8, characterised in that control is effected by means of a control rod (35) which is moved by the support arm (4).
  10. Vehicle jack as claimed in claim 9, characterised in that the end - at the pivot axis side - of the support arm (4) is formed with arcuate toothing (37) which cooperates with linear toothing (36) on the control rod (35).
  11. Vehicle jack as claimed in claim 9 or claim 10, characterised in that the control rod (35) is disposed inside the stand body.
  12. Vehicle jack as claimed in any one or several of claims 9 to 11, characterised in that the control rod (35) is guided in a longitudinally displaceable manner on the stand body.
EP96108291A 1995-06-20 1996-05-24 Vehicle jack Expired - Lifetime EP0749936B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19521994A DE19521994A1 (en) 1995-06-20 1995-06-20 Motorcar lifter with stand body standing on ground
DE19521994 1995-06-20
DE19543523 1995-11-22
DE19543523A DE19543523A1 (en) 1995-06-20 1995-11-22 Jack

Publications (3)

Publication Number Publication Date
EP0749936A2 EP0749936A2 (en) 1996-12-27
EP0749936A3 EP0749936A3 (en) 1999-04-07
EP0749936B1 true EP0749936B1 (en) 2004-08-11

Family

ID=26016046

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96108291A Expired - Lifetime EP0749936B1 (en) 1995-06-20 1996-05-24 Vehicle jack

Country Status (7)

Country Link
US (1) US5782456A (en)
EP (1) EP0749936B1 (en)
JP (1) JPH09104593A (en)
BR (1) BR9602845A (en)
CZ (1) CZ289007B6 (en)
ES (1) ES2096541T3 (en)
MX (1) MX9602394A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5533074A (en) * 1995-05-02 1996-07-02 Mansell; Timothy E. Nuclear reactor coolant level monitoring system
ES2143920B1 (en) * 1997-06-19 2000-12-16 Batz S Coop Ltda LIGHT JACK.
ES2181510B1 (en) * 1999-05-17 2004-06-01 Batz, S.Coop. ELEVACOCHES CAT.
DE10013485C1 (en) * 2000-03-18 2001-07-12 Krupp Bilstein Gmbh Vehicle lifting jack has cog segment of pivoted carrier arm cooperating with cog section of control slider displaced parallel to support column
DE10035165C1 (en) * 2000-07-19 2002-02-21 Krupp Bilstein Gmbh jack
ITMN20070045A1 (en) * 2007-12-18 2009-06-19 Creasi Di Frignani Alberto UNIVERSAL DEVICE FOR SUPPORTING ENGINES UNDER VEHICLES

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US2233222A (en) * 1936-11-23 1941-02-25 Packard Motor Car Co Motor vehicle antenna
DE2625085A1 (en) * 1976-06-04 1977-12-08 Bilstein August Fa JACK
DE7801157U1 (en) * 1978-01-16 1979-02-22 Bilstein August Fa JACK
DE2902579C2 (en) * 1979-01-24 1986-11-20 August Bilstein GmbH & Co KG, 5828 Ennepetal Jack
GB2114537A (en) * 1982-02-01 1983-08-24 Kenneth Carter Motor vehicle jack
DE3302399A1 (en) * 1983-01-25 1984-08-02 Gerdes GmbH, 5000 Köln CAR LIFT FOR MOTOR VEHICLES
DE3510196C2 (en) * 1985-03-21 1995-11-23 Storz E A Kg Jack
GB2176458B (en) * 1985-05-10 1989-07-05 Metallifacture Ltd Vehicle jack
KR930003322B1 (en) * 1985-05-10 1993-04-26 아우구스트 빌스타인 게엠베하운트컴파니카게 Scissor jack
DE3724113A1 (en) * 1986-12-09 1988-06-16 Tub Sa Mechanical jack for lifting automobiles
GB2240536B (en) * 1990-02-01 1994-01-19 Metallifacture Ltd Vehicle jack
DE4005447A1 (en) * 1990-02-21 1991-08-22 Bilstein August Gmbh Co Kg Car jack with pivoted foot - incorporates pivoted support piece at top to relieve jack of tipping moments
DE9002560U1 (en) * 1990-03-06 1990-05-10 Lahnwerk GmbH & Co KG Verformungstechnik Friedensdorf, 3563 Dautphetal Car jack
ES1024192Y (en) * 1993-03-30 1994-04-16 Tub Sa AUTOMATIC AND REINFORCING STABILIZING DEVICE FOR LIFTING JACKS.
DE4421464A1 (en) * 1994-06-20 1996-01-11 Storz E A Kg Jack
DE9418720U1 (en) * 1994-11-24 1995-01-12 Panne GmbH & Co KG Grundstücksgesellschaft, 35753 Greifenstein Vehicle jacks

Also Published As

Publication number Publication date
ES2096541T3 (en) 2005-02-01
ES2096541T1 (en) 1997-03-16
MX9602394A (en) 1997-02-28
US5782456A (en) 1998-07-21
EP0749936A3 (en) 1999-04-07
JPH09104593A (en) 1997-04-22
EP0749936A2 (en) 1996-12-27
CZ289007B6 (en) 2001-10-17
BR9602845A (en) 1999-06-15
CZ161496A3 (en) 1997-01-15

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