Classifications

• • 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
  • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
  • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
  • B66F3/25—Constructional features
  • B66F3/35—Inflatable flexible elements, e.g. bellows

Definitions

• the invention relates to a device for compensating for height differences on a vehicle, wherein the device has a lifting cushion which can be filled with a fluid, preferably with air or water, wherein the lifting cushion is formed from at least one hose section, wherein the hose section has at least one hose opening which is closed by clamping strips of the device.
• the lifting cushion can be placed under one or more wheels of the vehicle, which is standing on an uneven and/or at least partially inclined surface, at or near a certain point and filled with a fluid, preferably air or water.
• the printed matter DE 101 63 819 A1 discloses a double rolling bellows suspension device with two opposing spring elements, each consisting essentially of a rolling bellows and a rolling piston.
• a hydraulic jack comprising an elongated, seamless body made of an impermeable, flexible material which can be inflated from a flattened state to an expanded state with a pressurized hydraulic fluid, preferably water.
• the printed matter DE 92 05 418 U1 Disclosing a pressure vessel comprising a flexible hose segment, each end of which is sealed in a closure area connecting the hose material in a double layer, and which can be filled with a fluid, e.g., compressed air, via a valve in the interior.
• the pressure vessel is characterized by the fact that a sealing edge, convexly curved relative to the hose segment, is formed in the closure area.
• the object of the invention is to provide a device of the type mentioned above that can be manufactured easily.
• a seal be arranged, in particular clamped, between the two clamping strips in order to seal a clamping point defined by the clamping strips on the hose section.
• the at least one hose opening of the lifting cushion formed from at least one hose section, can be reliably sealed using the seal, even without adhesive.
• a hose section with two hose openings can be used.
• the hose openings can be arranged at opposite ends of the hose section.
• Each hose opening can be closed by two clamping strips.
• the device then has two pairs of clamping strips for closing the hose openings of the hose section.
• a seal can then be arranged between the clamping strips at each hose opening.
• a particularly good seal is achieved when the seal is positioned within at least one hose section and between the clamping strips. This allows the pressure exerted by the clamping strips to close the hose opening on the hose section material to also be transferred to the seal, without the seal having to make direct contact with the clamping strips. This protects the seal from damage.
• the seal has at least two edge-side thickenings, oriented, for example, parallel to each other and/or to the longitudinal direction of the seal.
• the thickenings can be oriented in the longitudinal direction of the clamping strips.
• the at least one edge thickening of the seal can, according to an unclaimed example, extend over at least a large part of the seal's length, in particular the sealing strip section.
• the seal can have a dimension that corresponds to at least 80% of the length of the two clamping strips.
• the seal between the at least two edge-side thickenings has at least one through-hole for a fastening element, in particular for a screw, for connecting the clamping strips.
• Each of the two clamping strips can also have at least one such through-hole.
• the at least one through-hole is surrounded by at least one annular, preferably closed annular, thickening of the seal.
• the thickening can completely surround the through-hole and thus reliably seal it.
• the thickening can, for example, have a round or circular cross-section. The thickening can be compressed by the clamping strips of the device, and the Improve the sealing effect of the gasket, especially in the area of the fastener.
• the clamping profile on at least one clamping strip of the device allows the pressure exerted by the clamping strips to be increased to such an extent that a particularly reliable seal is created.
• At least one clamping structure can be oriented in the longitudinal direction of the terminal strip and/or extend over at least a large part of the length of the terminal strip.
• a clamping strip can have a clamping profile with at least one clamping groove as its clamping structure. This clamping groove can correspond to at least one clamping rib of the other clamping strip.
• the clamping groove of one clamping strip and the clamping rib of the other can have corresponding geometries, so that any hose material and/or seal material displaced by the at least one clamping rib during installation of the clamping strips can be displaced into the corresponding clamping groove of the other clamping strip.
• At least one clamping groove can be oriented in the longitudinal direction of the terminal strip and/or extend over at least a large part of the length of the terminal strip.
• At least one of the two clamping strips has an L-shaped cross-section.
• This clamping strip can have two legs of different cross-sectional lengths.
• the clamping profile, with at least one clamping structure, in particular with at least one clamping rib, can be formed on the longer leg of the two legs.
• each of the two clamping strips can be screwed together. Furthermore, it is possible for each of the two clamping strips to have at least one through-hole for a fastener, in particular a screw. In one embodiment of the device, at least one through-hole is arranged between two clamping ribs of a clamping strip. It is also possible for at least one through-hole to be arranged between two clamping grooves of a clamping strip.
• a series of through-holes can be arranged between the clamping ribs and a further series of through-holes between the clamping grooves.
• the two clamping strips can be connected to each other, for example, by means of screws in an area between the clamping structures of the clamping profiles of the clamping strips.
• the device For filling and/or emptying the lifting cushion, the device, and in particular the lifting cushion itself, can have at least one valve.
• This at least one valve can preferably be arranged at the edge of the hose section of the lifting cushion and/or adjacent to the clamping strips associated with a hose opening. By arranging the valve at the edge of the hose section of the lifting cushion, the Lifting cushions can be driven over by a vehicle without running over and damaging the valve.
• the aforementioned lifting cushion can be positioned under a wheel that is sunk into uneven ground on a parked vehicle, such as a caravan or motorhome, to compensate for height differences. By filling the lifting cushion, its volume can be increased, and the vehicle can be raised accordingly to achieve the desired height adjustment and level the vehicle.
• Figures 1-8 Figures 9 to 12 show at least parts of a device designated as a whole as 1 for compensating for height differences on a vehicle 2.
• the device 1 comprises a lifting cushion 3 which can be filled with a fluid, preferably air or water.
• the lifting cushion 3 is formed from a hose section 4.
• the hose section 4 has at least one, and in the present embodiment two, hose openings 5.
• the hose openings 5 are located at opposite ends of the Hose section 4 is formed and each is closed by a pair of clamping strips 6 and 7 of the device 1.
• the device 1 thus has a total of four clamping strips 6 and 7.
• a seal 8 is arranged between two clamping strips 6 and 7 assigned to a hose opening 5, namely clamped in order to seal a clamping point defined by the clamping strips 6,7 on the hose section 4.
• the seal 8 consists of a sealing strip section and is arranged between the two clamping strips 6 and 7 and within the hose section 4 to close the respective hose opening 5.
• the seal 8 has, according to the Figures 9 to 12 Two edge-side thickenings 9, projecting from the top and bottom of the seal 8, are oriented longitudinally to the clamping strips 6 and 7 when the seal 8 is in its operating position and extend over the entire length of the seal 8. Between these edge-side thickenings 9, the seal 8 has a series of through-holes 10 for fasteners 11, namely screws, which are used to connect the clamping strips 6 and 7. Each of the through-holes 10 is surrounded on the top and bottom of the seal 8 by a closed annular thickening 23.
• the annular thickenings 23 completely surround the through-holes 10 of the seal 8 and, just like the edge-side thickenings 9, can be compressed by the clamping strips 6 and 7 to create a seal, thus enhancing the sealing effect of the seal 8.
• the thickenings 9 and 23 of the seal 8 have a round, in particular circular, cross-section.
• the two clamping strips 6 and 7 each have a clamping profile 13 on their clamping sides 12 facing the hose section 4.
• the two clamping profiles 13 of the clamping strips 6 and 7 are corresponding clamping profiles to each other.
• the clamping profiles 13 of the clamping strips 6 and 7 comprise clamping structures 14, namely, in the case of clamping strip 6, two parallel clamping webs 15 spaced apart from each other and extending longitudinally along the clamping strip 6.
• clamping structures 14 i.e., the clamping webs 15 and the clamping grooves 16, each extend over the entire length of the respective clamping strip 6 or 7.
• the clamping structures 14, 15, 16 can act upon the seal 8 and, in particular, the previously mentioned thickenings 9 of the seal 8, compressing them to improve the sealing effect.
• FIG. 5 A comparison of Figures 5 and 8 , which shows the clamping strips 6 and 7 in a side view, illustrates that the clamping webs 15 and the clamping grooves 16 of the clamping profiles 13 of the two clamping strips 6 and 7 have geometries corresponding to each other.
• the Figures 3 to 5 The different views of the clamping strip 6 illustrate that the clamping strip 6 has an L-shaped cross-section.
• the clamping strip 6 comprises two legs 17 and 18 of different cross-sectional lengths, with the clamping profile 13, including the two parallel clamping webs 15, being formed on the longer leg 18 of the two legs 17 and 18.
• both clamping strips 6 and 7, each assigned to a hose opening 5, are screwed together.
• both clamping strips 6 and 7, as well as the previously described seal 8, each have a series of through-holes 19 for the fastening means 11, namely for screws.
• Figures 3-5 Figures 6-8 illustrate that the through-holes 19 are arranged between the clamping structures 14, namely on the one hand between the clamping webs 15 of the terminal strip 6 and on the other hand between the clamping grooves 16 of the terminal strip 7.
• the device 1 To fill the lifting cushion 3 with a fluid, preferably air or water, the device 1 has a valve 20 through which the lifting cushion 3 can be filled with the fluid.
• the valve 20 is located at the edge of the hose section 4 of the lifting cushion 3 and adjacent to one of the two pairs of clamping strips 6 and 7. Due to the edge-to-edge arrangement of the valve 20 on the hose section 4 of the lifting cushion 3, the lifting cushion 3 can be driven over by a vehicle 2 without running over and damaging the valve 20.
• FIG. 1 The device 1 with its lifting cushion 3 is shown in its operating position under a wheel 21 of a vehicle 2.
• the fluid-filled lifting cushion 3 of the device 1 compensates for unevenness of a surface 22 on which the vehicle 3 is parked, in such a way that the vehicle 3 is level or at least almost level.
• the invention relates to a device 1 for compensating for height differences on a parked vehicle 2.
• To seal 4 which forms a lifting cushion 3 of the device 1, it is proposed, among other things, to arrange a seal 8 between two clamping strips 6 and 7 that hold the hose opening 5 together.

Landscapes

• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Geology (AREA)
• Mechanical Engineering (AREA)
• Structural Engineering (AREA)
• Clamps And Clips (AREA)
• Bag Frames (AREA)
• Barrages (AREA)
• Supports For Pipes And Cables (AREA)
• Vehicle Body Suspensions (AREA)
• Valves And Accessory Devices For Braking Systems (AREA)

Applications Claiming Priority (2)

Publications (3)

Family

ID=85036316

Family Applications (1)

Country Status (8)

Families Citing this family (2)

Family Cites Families (4)

• 2022
  • 2022-02-04 DE DE102022102687.6A patent/DE102022102687B3/de active Active
• 2023
  • 2023-01-09 WO PCT/EP2023/050335 patent/WO2023147964A1/de not_active Ceased
  • 2023-01-09 US US18/834,715 patent/US20250109000A1/en active Pending
  • 2023-01-09 PL PL23701240.6T patent/PL4472865T3/pl unknown
  • 2023-01-09 AU AU2023214536A patent/AU2023214536A1/en active Pending
  • 2023-01-09 CN CN202380019991.5A patent/CN118973863A/zh active Pending
  • 2023-01-09 CA CA3250989A patent/CA3250989A1/en active Pending
  • 2023-01-09 EP EP23701240.6A patent/EP4472865B1/de active Active

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