EP0131249A2 - Liaison à charnière étanche pour profilés creux - Google Patents

Liaison à charnière étanche pour profilés creux Download PDF

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Publication number
EP0131249A2
EP0131249A2 EP84107757A EP84107757A EP0131249A2 EP 0131249 A2 EP0131249 A2 EP 0131249A2 EP 84107757 A EP84107757 A EP 84107757A EP 84107757 A EP84107757 A EP 84107757A EP 0131249 A2 EP0131249 A2 EP 0131249A2
Authority
EP
European Patent Office
Prior art keywords
section
cavities
connection according
joint part
hollow profiles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP84107757A
Other languages
German (de)
English (en)
Other versions
EP0131249A3 (en
EP0131249B1 (fr
Inventor
Gustav Stifter
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 AT84107757T priority Critical patent/ATE37924T1/de
Publication of EP0131249A2 publication Critical patent/EP0131249A2/fr
Publication of EP0131249A3 publication Critical patent/EP0131249A3/de
Application granted granted Critical
Publication of EP0131249B1 publication Critical patent/EP0131249B1/fr
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/06—Safety devices; Coverings for baths
    • E04H4/065—Floors adjustable in height
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/06—Safety devices; Coverings for baths
    • E04H4/08—Coverings consisting of rigid elements, e.g. coverings composed of separate or connected elements
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S285/00—Pipe joints or couplings
    • Y10S285/925—Swells when wet

Definitions

  • the invention relates to a fluid-tight, articulated connection between opposing cavities of adjacent hollow profiles with connecting parts which can be inserted tightly per hollow profile in a cavity or a group of cavities, with at least one opening in the direction of the cavities and with a pivoting movement that allows insertion between the connecting parts transversely to the direction of expansion of the cavities
  • Articulated part with likewise at least one transverse opening, which in the inserted state is aligned with the respective openings of the connecting parts.
  • a lowerable and walkable cover for liquid containers in particular for swimming pools, made of rigid, rigidly interconnected hollow plastic profiles which extend in an expansion direction of the container and in which air is supplied in this expansion direction at one end of the hollow profiles has been specified (DE-OS 29 43 366), the cover filled with air floating on the surface of the liquid and sinking to the bottom of the container after deflating the air and dividing the hollow profiles several times in the stated direction of expansion of the container and articulated at the joints are.
  • the articulated connections must on the one hand connect opposing cavities and enable the flow of water and air, on the other hand be tight to the outside, on the third be insensitive to manufacturing tolerances, on the fourth take into account different material movements caused by temperatures or the like, finally certain tensile loads, that occur in practice, withstand and also be quick and inexpensive, also on construction sites, mountable, if necessary, also removable.
  • the solution according to the invention namely a multi-part design, two connecting parts, a joint part and the individual grommets connecting them, appears to contradict the requirement of simple and inexpensive assembly, since about 50 grommets must be inserted per connecting part, for example per running meter.
  • the connecting parts and joint parts and on the other hand also the grommets can be produced in a simple manner.
  • a pre-assembly, the insertion of the connecting parts into the cavities and the insertion of the grommets into the openings of the connecting parts can already be carried out at the factory. Assembly at the construction site is therefore essentially limited to pushing the joint parts onto the grommets.
  • Fig. 1 shows in perspective a cover 1, which floats on the water 2 in a swimming pool 3.
  • the cover 1 can be supplied with compressed air from a pump 5, which can be a compressor, via a connection 4.
  • the pump 5 can also be operated manually or by foot.
  • the type of pump 5 used essentially depends on the size of the cover 1, i.e. also the size of the swimming pool 3.
  • the air can be removed from the cover 1 via the same connection 4 and the same pump 5 in that the pump 5 can be switched to suction operation. This can be done for example by means of the schematically shown reversing device, which is formed by solenoid valves 6 and 7. However, another form of a pump device which can be switched over in the conveying direction can also be provided.
  • the cover 1 consists of hollow profiles as shown in section in FIGS. 2 and 10.
  • FIG. 2 consists of a cover plate 8, a base plate 9 and webs 10 connecting these, whereby cavities 11 are formed which (FIG. 2) have a rectangular cross section.
  • the webs 10 and thus the cavities 11 extend in an expansion direction, preferably the longitudinal direction, of the swimming pool 3 such that the connection 4 is assigned to the cavities 11 at one end.
  • the cover 1 is composed of a plurality of hollow profiles 12, 13, 14, 15 of different lengths arranged one behind the other, the length of the hollow profiles adjacent to the connection 4 being shorter than that of the others.
  • length is to be understood as the dimension which extends in the direction of expansion mentioned.
  • the hollow profile 12 has an air distribution profile 16, while at the other end of the cover 1, i. that the connection 4 opposite end of the hollow profile 15, a water distribution profile 17 is provided.
  • the individual hollow profiles 12 to 15 are connected by means of articulated connections 18, 19 and 20 on the one hand articulated on the other hand to the outside in a water and airtight manner.
  • the articulated connection 18, 19, 20 is such that a connection between the opposing cavities 11 of adjacent hollow profiles 12, 13, 14, 15 is always maintained.
  • FIG. 3a shows the cover 1 in the floating state on the water 2.
  • some air can be regularly supplied to the cover 1 by means of the pump 5 during this state, in order to maintain a certain overpressure of 1 to 2 mbar in the cavities 11 on the one hand and to prevent the penetration by a flooding, on the other hand and safely remove any remaining water.
  • the latter is particularly advantageous if the cover 1 is to remain in the floating state for longer periods, for example in winter.
  • the supply of small amounts of air is also particularly expedient if, as shown, openings 24 are provided in the water distribution profile 17 at the bottom, ie opposite the water surface.
  • the pump 5 is first switched to suction mode, as a result of which water is continuously sucked into the nearest hollow profile 15 via the opening 24.
  • this hollow profile 15 slopes downward.
  • the articulated connection 20 is designed so that a maximum pivot angle d of about 30 ° can be reached.
  • the water drawn in through the opening 24 is also sucked into the next hollow profile 14 via the articulated connection 20, which can reach the same maximum swivel angle d with the next hollow profile 13.
  • the procedure for lifting the cover 1 is the reverse, i.e. Air is supplied to the cover 1 by means of the pump 5 via the connection opening 4, the cavities 11 of the individual hollow profiles 12, 13, 14, 15 filling with air in succession and beginning to float until the water is completely removed from the cover 1 via the opening 24 has been reached, in which case the state shown in FIG. 3a is reached.
  • Air is supplied to the cover 1 by means of the pump 5 via the connection opening 4, the cavities 11 of the individual hollow profiles 12, 13, 14, 15 filling with air in succession and beginning to float until the water is completely removed from the cover 1 via the opening 24 has been reached, in which case the state shown in FIG. 3a is reached.
  • an inclination is once reached during lifting, in which the water can be drained more favorably by the pressure of the air supplied.
  • a self-flooding cover 1 can also be achieved in that the pump 5 is completely separated for lowering and air can pass freely from the connection opening 4 into the open. To initiate the sinking process, however, ballast must then be provided at the end of the cover corresponding to the water distribution profile 17.
  • the openings 24 can also be formed by valves which can be closed completely or partially, such that the pump 5 pumps only slightly further after reaching the floating state shown in FIG. 3a until an overpressure is reached and then is stopped. However, the valves must be opened for flooding.
  • an opening 26 is created in the cover at the height thereof, the sides of which walls are sealed against the interior of the cavities. In the floating state, this opening 26 can be closed by a closure (not shown).
  • Suitable materials for the cover 1 are hygienically perfect plastics that are resistant to chemicals in the bathing water, such as chlorine or fluorine, such as hard PVC and acrylic glass. The cover 1 can thereby also be made transparent. Color effects can also be achieved. If the cover is coated on the underside with an absorber film, such as the absorber film 25 in FIG. 2, the absorption of solar heat can be improved, particularly in the floating state.
  • the risk of slipping when walking on the cover 1 can even be improved compared to walking on a conventional floor, apart from the fact that a more comfortable walking and standing feeling can be achieved.
  • the articulated connections 18, 19, 20 between the opposing cavities 11 of adjacent hollow profiles 12, 13, 13, 14 and 14, 15 represent a particular problem, since on the one hand an articulated connection that is fluid-tight to the outside is to be achieved, and furthermore a simple one Manufacture and finally easy assembly should be possible.
  • first connecting part 27 which can be inserted into the cavities 11 of the hollow profile 12
  • second connecting part 28 which can be inserted into the cavities 11 of the adjacent hollow profile 13
  • which essentially has the same configuration as the connecting part 27 has an articulated part 29 between the opposite sides 30 and 31 of the two connecting parts 27 and 28 and grommets 32 which are inserted into the openings 33 in pairs in the respective connecting part and the continuous transverse openings 34 of the articulated part 29.
  • connecting part 27 or 28 does not necessarily have to extend over all cavities 11 of a hollow profile 12 or 13.
  • such a connecting part 27 has a common section 35 starting from the side 30 and adjoining separate projections 36 which match the grid of the cavities 11 of the hollow profile 12, each opening 33 the common section 35 and one of the approaches 36, this approximately in the middle.
  • the external dimensions in the cross-sectional direction of the lugs 36 essentially correspond to the internal dimensions in the cross-sectional directions of the associated cavity 11, are preferably slightly larger, but can also be the same or slightly smaller. It is only necessary that the lugs 36 of the connecting part 27 can be inserted into the cavities 11 in a simple manner.
  • the connecting part 27 consists of a soft-elastic, in particular rubber-elastic material such as a plastic, preferably with a Shore hardness of about 70 to 75.
  • the material is impermeable to those in use case used fluids, here water and air, and is also resistant to the fluids, ie is not attacked in particular by substances dissolved in the bathing water, such as chlorine or fluorine. It is also preferably resistant to aging, particularly with regard to solar radiation and environmental influences.
  • the material used for the connecting part 27 swells somewhat when exposed to the bath water, which enables the lugs 36 of the connecting part 27 to better fit and thus adhere to the walls of the respective cavities 11.
  • the articulated part 29 can extend over a plurality of adjacent cavities 11 of the associated hollow profiles 12, 13 and therefore have a corresponding number of transverse openings 34, which of course in the same Grid dimensions are formed like that of the cavities 11 of the hollow profiles 12 and 13.
  • the joint part 29 can also extend over only part of the cavities 11 of the cover 1.
  • FIG. 7 shows a spout 32 suitable for connecting the connecting part 27, 28 to the joint part 29.
  • Fig. 7b which shows the spout 32 in side view, also shows that it consists essentially of two sections 37 and 38th
  • each of the sections 37, 38 has a spreading device which, in the exemplary embodiment shown, is formed by barbs 40 and 41, which are formed in a sawtooth-like manner and surround the respective section 37, 38, the steep flanks 42 and 43 of the barbs 40 and 40, respectively 41 of sections 37 and 38 face each other.
  • the spout 32 can be inserted very easily into the opening 33 or the transverse opening 34, but can be pulled out only with extreme difficulty, also because the outer cross section (without barbs) of the sections 37 and 38 is somewhat larger than the inner cross section the associated opening 33 of the connecting part 27 or the transverse opening 34 of the joint part 29.
  • the spouts 32 are inserted into the openings 33 and 34, an expansion effect and thus an outward pressure effect are exerted on the connecting part 27 or the joint part 29.
  • the outer diameter of at least the barb 41 of the corresponding section 38 is preferably significantly larger compared to the transverse bore 34 than the outer diameter of the barb 40 of the other section 37 compared to the opening 33 of the Connector 27.28.
  • the invention is explained in more detail using an example in which the cavities 11 have a right cross section (cf. FIG. 2). Now have the öff 33 in the approach 36 and the cross section of the section 37 of the spout 32 essentially circular cross-section, so (see Fig. 8a) the spreading pressure exerted by the spout 32 or its section 37 may not be sufficient under certain circumstances, a spreading effect up to exercise the corners 44 of the hollow profile 11, it may even happen that the extension 36 is pulled out of the corners 44. The tightness can therefore not always be guaranteed.
  • the two hollow profiles 12 and 13 can now be pivoted relative to one another with the aid of the articulated connection 18. While the grommets 32 are hardly tilted in their position in alignment with the cavity 11, the joint part can be bent due to the inherent elasticity, specifically about an axis running parallel to the juxtaposition of the cavities 11. Due to the inherent elasticity of the connecting parts 27, 28 or the joint part 29, the tight seal to the outside is also ensured and the fluid connection via the openings 33, 39 and 34 remains guaranteed.
  • the inherent elasticity is particularly supported by the one-piece design of the connecting part 27, 28 and the joint part 29 for a plurality of cavities 11 arranged next to one another in such a way that the flow connection between the adj beard cavities 11, in particular via the transverse opening 34, is not impaired, although a soft-elastic material is used.
  • the swivel angle between adjacent hollow profiles 12, 13 or other adjacent hollow profiles 13, 14 or 14, 15 can also be determined by the length 1, taking into account the elasticity of the joint part 29. With the same material, the pivoting angle between adjacent hollow profiles 12, 13, 13, 14 and 14, 15 becomes smaller with a shorter length.
  • a major advantage of the fluid-tight, articulated connection according to the invention is that assembly is extremely simple and can take place at the construction site, which is particularly advantageous in the case of large-area hollow profiles.
  • the lugs 36 of the connecting part 27 (or the connecting part 28) are first inserted into the cavities 11.
  • the spouts 32 are then inserted over their section 37 into the associated opening 33 of the connecting parts 27, which is simple since the flat flanks of the barbs are effective here.
  • the same procedure is followed for the cavities 11 of the other hollow profile.
  • the connecting part 29 is pushed over its transverse openings 34 over the sections 38 of the respective grommets 32, specifically for both hollow profiles 12, 13, which is also easily possible since the flat flanks of the barbs 41 are also effective here.
  • the spreading effect is achieved by the barbs, so that a firm connection between the connecting parts 27, 28 and the hollow profiles 12, 13 on the one hand, the grommets 32 and the connecting parts 27, 28 on the other hand, and also between the grommets 32 and the joint part 29 is reached safely.
  • This connection is also fluid-tight.
  • the connecting parts 27, 28 and the joint part 29 are made of a material that swells somewhat when they come into contact with one of the fluids, here bathing water, the spreading effect is increased even further when in use.
  • the parts of the articulated connection could be separated from one another by tensile forces acting in the direction of the openings and thus the hollow profiles could also be separated from one another.
  • the loads can occur on the one hand only when walking over it, and on the other hand only occur when the cover is raised or lowered. There are no other tractive forces.
  • an articulated connection designed according to the invention is not only able to achieve a secure fluid-tight articulated connection which can be achieved in a simple manner, it also shows that the articulated connection on site, i.e. can be produced at the construction site, can be separated again in a simple manner and, moreover, is also inexpensive, especially since commercially available spouts can be used for the spouts under certain circumstances.
  • the grommets consist of a commercially available, comparatively hard material, in particular also a plastic.
  • the articulated connection is not only for hollow profiles 2 applicable.
  • the articulated connection can also be used for hollow profiles of other cross-sectional shapes.
  • a hollow profile 51 as shown in FIG. 10, which is formed by tubes which are arranged next to one another and are firmly connected to one another, in such a way that the cavities 52 have a circular cross section.
  • the cross-sectional shape of the section 37 of the spout 32 then corresponds to a circular cross section have.
  • other cross-sectional shapes are also possible, with the respective application playing an important role in the selection, for example whether or not the hollow profiles should be accessible when a swimming pool cover is lying on the floor.
  • the articulated connection according to the invention can also be used for a hollow profile arrangement, as is shown by way of example in FIG. 11.
  • a cover should namely be applicable for every pool size, but this is opposed by manufacturing limits in the case of particularly wide swimming pools, since hollow profiles cannot generally be produced in any width.
  • the hollow profiles 12 to 15 can be formed by juxtaposing prefabricated hollow profile parts 53, 54.
  • the hollow profile parts 53, 54 arranged next to one another can be connected to one another essentially rigidly, but releasably, by means of angled projections 55, 56 provided on the respective edge.
  • locking projections 57 and 58 which engage in one another elastically, on the angle projections 55 and 56.
  • These angle projections 55, 56 can also be hollow (not shown).
  • all parts can be delivered prefabricated to the construction site and assembled there in a simple manner.
  • the connecting parts 27, 28 and the joint parts 29 are each assigned to one of the hollow profile parts 53 and 54 in their width extent, i.e. have a corresponding number of openings 33 or transverse openings 34.
  • an overlapping connection is also possible, in which case the spacing of the adjacent cavities 11 of adjacent hollow profile parts, i.e. the dimensions of the connection 55 to 58 of the hollow profile parts must be taken into account.
  • the lowering speed and the re-emerging speed of the cover 1 are determined not only by the performance of the pump 5 but also by the extent to which the water between the side edge 45 of the cover 1 and the side edge 46 of the pool 3 can flow down or up. Furthermore, depending on the size of the cover 1, more or less strong shrinking and stretching movements of the material of the cover 1 (both the hollow profiles 12, 13, 14, 15 and the articulated connections 18, 19, 20) have to be taken into account. Thus, a distance 47 must be provided on both sides of the cover 1 between the side edge 45 of the cover 1 and the side edge 46 of the swimming pool 3.
  • a similar distance 48 which is caused solely by the shrinking and stretching movements of the material, must be provided between the end faces 49 of the cover 1 and 50 of the swimming pool 3. While the size differences caused by the spacings 47 and 48 are comparatively uncritical when the cover 1 rests on the floor 22, they can impair the covering effect when the cover 1 floats. Tests have shown that in a pool width of about 4 m the distance 47 must be about 8 to 10 cm. On the other hand, the distance 47 is advantageous, since cleaning devices such as floor vacuums are used even when the cover is floating and can be conveniently guided along the edge of the pool and, moreover, fixed installations can also be taken into account.
  • connection parts 27, 28 are pulled apart at the edge to such an extent that, in the manner of a zipper, even with relatively little effort a slow separation of the entire connection from the edge is possible. For example, this can occur when walking on a very wide, lowered swimming pool cover lying on the floor.
  • edge-side grommets 32 are glued into the associated parts (connecting parts 27, 28 and joint part 29), which can take place at the construction site, and / or if in such a case the connecting parts 27, 28 and the joint part 29 are attached to their ( outside) are glued together, which can also be done at the construction site.
  • These edges 61 and 62 are indicated in FIGS. 5 and 6, respectively. If the grommets 32 are to be glued in, they must be glued into the openings 33 and 34 adjacent to these edges 61 and 62, respectively.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Toys (AREA)
  • Joints Allowing Movement (AREA)
  • Bridges Or Land Bridges (AREA)
  • Body Structure For Vehicles (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
EP84107757A 1983-07-06 1984-07-04 Liaison à charnière étanche pour profilés creux Expired EP0131249B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84107757T ATE37924T1 (de) 1983-07-06 1984-07-04 Fluiddichte gelenkige verbindung zwischen hohlprofilen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3324406A DE3324406C1 (de) 1983-07-06 1983-07-06 Fluiddichte gelenkige Verbindung zwischen Hohlprofilen
DE3324406 1983-07-06

Publications (3)

Publication Number Publication Date
EP0131249A2 true EP0131249A2 (fr) 1985-01-16
EP0131249A3 EP0131249A3 (en) 1985-05-15
EP0131249B1 EP0131249B1 (fr) 1988-10-12

Family

ID=6203321

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84107757A Expired EP0131249B1 (fr) 1983-07-06 1984-07-04 Liaison à charnière étanche pour profilés creux

Country Status (5)

Country Link
US (1) US4626005A (fr)
EP (1) EP0131249B1 (fr)
AT (1) ATE37924T1 (fr)
CA (1) CA1241249A (fr)
DE (1) DE3324406C1 (fr)

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WO2013106891A1 (fr) * 2012-01-16 2013-07-25 Moortgat Bvba Système de fond pour piscine, piscine et procédés permettant de régler la hauteur d'un fond mobile pour piscine
US8511506B2 (en) 2004-12-07 2013-08-20 Ifco Systems Gmbh Transport cases with hinged side parts made of plastic

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Publication number Priority date Publication date Assignee Title
US8511506B2 (en) 2004-12-07 2013-08-20 Ifco Systems Gmbh Transport cases with hinged side parts made of plastic
WO2013106891A1 (fr) * 2012-01-16 2013-07-25 Moortgat Bvba Système de fond pour piscine, piscine et procédés permettant de régler la hauteur d'un fond mobile pour piscine

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EP0131249A3 (en) 1985-05-15
ATE37924T1 (de) 1988-10-15
CA1241249A (fr) 1988-08-30
US4626005A (en) 1986-12-02
DE3324406C1 (de) 1984-11-22
EP0131249B1 (fr) 1988-10-12

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