EP0545840A1 - Höhenverstellbarer Hydrant - Google Patents

Höhenverstellbarer Hydrant Download PDF

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Publication number
EP0545840A1
EP0545840A1 EP92470033A EP92470033A EP0545840A1 EP 0545840 A1 EP0545840 A1 EP 0545840A1 EP 92470033 A EP92470033 A EP 92470033A EP 92470033 A EP92470033 A EP 92470033A EP 0545840 A1 EP0545840 A1 EP 0545840A1
Authority
EP
European Patent Office
Prior art keywords
riser
ring
sole
extension
helical
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
EP92470033A
Other languages
English (en)
French (fr)
Other versions
EP0545840B1 (de
Inventor
Jean-Claude Hauer
Bertrand Guillaume
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.)
Pont a Mousson SA
Original Assignee
Pont a Mousson SA
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 Pont a Mousson SA filed Critical Pont a Mousson SA
Publication of EP0545840A1 publication Critical patent/EP0545840A1/de
Application granted granted Critical
Publication of EP0545840B1 publication Critical patent/EP0545840B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B9/00—Methods or installations for drawing-off water
    • E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
    • E03B9/08—Underground hydrants
    • E03B9/10—Protective plates or covers

Definitions

  • the present invention relates to a keyhole adjustable in height, in particular for accessing a valve placed under a roadway or a sidewalk.
  • the height adjustment of a keyhole makes it possible to adapt it to variations in height from the ground due in particular to the repair of the road or sidewalk.
  • the height adjustment of the keyhole is limited by the height of the riser or by the end of its thread travel. Consequently, in the case where new layers of coating increase the height of the ground beyond the maximum height of the riser, it is necessary to extract the mouth from the ground and replace the sole at a more suitable height.
  • the object of the invention is to make it possible to adjust the height of a keyhole so as to avoid the topping of the extension during earthwork operations, or at least to limit the consequences thereof, and to be able to adapt the keyhole. to significant increases in ground height without having to move the sole.
  • the invention relates to a key-adjustable mouth height of the aforementioned type, characterized in that the lower part of the extension is introduced by vertical translation from top to bottom in an annular member disposed inside the sole and cooperating by screwing with this sole, the riser and the annular member comprising complementary means for securing in rotation and complementary means for supporting and support for the riser arranged respectively on the riser and on the annular member and cooperating with each other under the effect of the weight of the riser.
  • FIG. 1 a keyhole 10, adjustable in height, for a valve (not shown in the figures) placed under a roadway or under a sidewalk.
  • This key mouth arranged in the ground, forms an access for a valve operating key.
  • the keyed mouth 10 comprises a sole 12 intended to be fixed in the ground and an extension 14 telescopically mounted in the sole 12 so as to be adjustable in height.
  • a closing pad 16 of known type, for example of the bayonet type, is placed on the upper end of the riser 14, considering FIG. 1.
  • the sole 12 is of generally tubular shape and comprises in its lower part, considering FIG. 1, a flange 18 for its anchoring in the ground. Radial wings 20 extending between the lower end of the sole 12 and the underside of the flange 18 immobilize the sole in rotation by cooperating with the ground.
  • the riser 14, of generally tubular shape, is mounted in an annular member 22 disposed inside the sole 12.
  • This annular member is constituted by a helical ring 22 of circular cross section.
  • the ring 22 cooperates by screwing with a thread 24 of the same pitch formed on the internal surface of the sole 12 and extends over a little less than one turn of the thread, as seen in FIG. 2.
  • the riser 14 comprises two cylinders 26, 28 of different external diameters.
  • the cylinder 26 of large external diameter delimits the upper part of the riser, considering FIG. 1, and projects by the upper end of the sole 12.
  • the cylinder 28 of small external diameter delimits the lower part of the riser and cooperates with the internal contour of the ring 22.
  • the riser 14 and the ring 22 comprise complementary means of support and support and complementary means of securing in rotation which will be described below.
  • the cylinders 26, 28 of the riser have smooth external surfaces connected to each other by a helical surface 30 of a pitch identical to that of the ring 22, extending over a sector of tower slightly greater than that of the ring .
  • this surface helical 30 is constituted by a helical ramp with transverse slope.
  • the helical ramp 30 is supported on the ring 22, under the effect of the weight of the riser 14, so as to axially position the latter relative to the ring allowing the free lifting of the riser by an operator.
  • the external surface of the cylinder 28 of small external diameter and the helical ramp 30 with transverse cant also constitute means for centering the riser relative to the ring 22.
  • the helical bearing surface 30 of the riser may have other shapes than those of a transverse cant ramp, in particular it may have a curved cross section of complementary shape to the cross section of the ring.
  • the ring may have a section other than circular.
  • the riser 14 is integral in rotation with the ring 22 by means of an axial rib 32 shown in more detail in FIG. 2.
  • a first lateral face 32A of the rib 32 extends from the lower edge of the riser to the lower end of the helical ramp 30, considering FIGS. 1 and 2, and a second face 32B extends from the lower edge of the riser to the upper end of the helical ramp 30.
  • the lateral faces 32A, 32B of the rib 32 cooperate respectively with the faces 22A, 22B forming the ends of the helical ring 22.
  • the width of the rib 32 is less than the width of the free sector between the ends 22A, 22B of the ring 22 so that the rib cooperates with play with these ends 22A, 22B.
  • the width of the rib is approximately 10 mm and the ends 22A, 22B are spaced apart by 15 mm.
  • FIG. 1 There is shown in Figure 1 the upper end of a fixed extension tube 34, of known type, for guiding the operating key to the valve disposed under the roadway or the sidewalk.
  • the elongated tube 34 opens out inside the extension 14 while being substantially coaxial with the whole of the keyed mouth.
  • a diaphragm 36 integrally formed with the internal surface of the riser 14, guides the key for its introduction into the extension tube 34.
  • the diaphragm 36 with an inner diameter less than the outside diameter of the extension tube 34, maintains a minimum spacing between the pad 16 and the upper end of the extension tube 34. This minimum spacing makes it possible to prevent the upper end of an excessively long extension tube from hindering the closing of the pad 16.
  • the internal thread 24 of the sole 12 is provided in its upper part with an end of travel stop 38 intended to cooperate with the upper end face 22B of the ring 22 to limit its upward movement.
  • the seal between the sole 12 and the riser 14 is ensured by an annular seal 40 fixed on the upper end of the sole 12 and cooperating with the external surface of the cylinder 26 of the riser 14.
  • the riser 14 has on one and / or the other of the lateral faces 32A, 32B of its rib 32, a projection forming an abutment, positioned in such a way that, when the mouthpiece is assembled, the end of the ring 22 located opposite said abutment snap-in between this abutment and the helical ramp 30 connecting the cylinders 26,28 of the riser 14, this snap-fitting being obtained by simple axial push down on the riser during introduction into the sole, while conversely, an upward pull on said riser makes it possible, from the latched position, to disengage the latter from the ring 22; preferably, this stop has on its outer face a double convex cam ramp consisting of an upper ramp inclined downward and a lower ramp inclined upward.
  • the subjection between the ring 22 and the riser 14 also makes it possible to oppose the downward movement of the assembly constituted by the sole 12 and the ring 22, in particular when the keyed mouth, prior to its sealing in the ground, simply rests on the fixed extension tube 34.
  • the ring 22 is screwed once and for all into the sole 12 by the lower part thereof.
  • the seal 40 is then placed on the upper end of the sole, then the riser is put into place in the ring, by simple axial movement downwards until the ramp 30 rests on the ring.
  • the key mouth is arranged in the ground, in line with an elongated tube 34 for guiding the key, which generally penetrates into the riser.
  • the height of the riser 14 is adjusted by driving it in rotation, this mistletoe causes the ring 22 to be screwed or unscrewed, depending on the direction of rotation. It is thus possible to adjust the height of the keyhole to bring the upper end of the extension 14 and the pad 16 flush with the surface of the ground.
  • the topping of the riser is avoided by removing it from the mouth with a key, by simple lifting, and by temporarily blocking the unoccupied orifice, or, possibly, by pushing it in sufficiently by screwing.
  • the ring is applied elastically against the internal thread of the sole, this in order to reduce the clearance between the riser and the ring capable of creating noise by knocking under the effect of the vibrations to which the keyhole can be subjected.
  • Figure 3 there is shown in Figure 3 an alternative embodiment of the invention which achieves this goal.
  • axial projections 42 have been placed on the cylinder 28 of small outside diameter. These projections have a decreasing thickness towards the bottom of the riser, considering FIG. 3, and cooperate with the internal contour of the ring 22 so as to slightly deform it elastically, thus making it possible to adapt the external contour of said ring 22 to the internal thread 24 of sole 12.
  • the mounting of the riser in the ring being done without additional part,.
  • complementary means of support and support and complementary means of securing in rotation By using complementary means of support and support and complementary means of securing in rotation, the removal and the replacement of the riser is very simple .
  • the clearance provided between the rotational securing rib and the ends of the ring facilitates disassembly and assembly of the riser.
  • the helical ramp with transverse slope and the external surface of the cylinder of small outside diameter constitute effective complementary means of centering the extension in the ring.
  • the end stop of the threading of the sole makes it possible to limit the displacement of the ring in height and to avoid damage to the seal by crushing against the ring.
  • the external surface of the upper cylinder of the riser being smooth, it does not catch on the ground in which it is placed, this mistletoe facilitates the height adjustment of the riser. Furthermore, the annular seal provides a reliable seal between the fixed base and the mobile riser.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Slot Machines And Peripheral Devices (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Stringed Musical Instruments (AREA)
  • Finger-Pressure Massage (AREA)
  • Prostheses (AREA)
  • Closures For Containers (AREA)
  • Sheet Holders (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Road Paving Structures (AREA)
  • Vehicle Body Suspensions (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Road Repair (AREA)
  • Rolling Contact Bearings (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
EP92470033A 1991-12-04 1992-12-03 Höhenverstellbarer Hydrant Expired - Lifetime EP0545840B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9115024A FR2684703B1 (fr) 1991-12-04 1991-12-04 Bouche a cle reglable en hauteur.
FR9115024 1991-12-04

Publications (2)

Publication Number Publication Date
EP0545840A1 true EP0545840A1 (de) 1993-06-09
EP0545840B1 EP0545840B1 (de) 1995-09-27

Family

ID=9419661

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92470033A Expired - Lifetime EP0545840B1 (de) 1991-12-04 1992-12-03 Höhenverstellbarer Hydrant

Country Status (9)

Country Link
EP (1) EP0545840B1 (de)
AT (1) ATE128504T1 (de)
DE (1) DE69205126T2 (de)
DK (1) DK0545840T3 (de)
ES (1) ES2072234T3 (de)
FI (1) FI97250C (de)
FR (1) FR2684703B1 (de)
GR (1) GR3017542T3 (de)
NO (1) NO924659L (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2719168A1 (fr) * 1994-04-22 1995-10-27 Seifel Sa Coffret enterré destiné à contenir des organes de raccordement d'une installation à un réseau de distribution.
WO2013135514A1 (de) * 2012-03-15 2013-09-19 E. Hawle Armaturenwerke Gmbh Einbaugarnitur und verfahren zu deren herstellung
US10370832B2 (en) 2017-02-10 2019-08-06 John Albert Leggett Hydrant assembly

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA173058S (en) 2017-02-10 2018-03-14 John Albert Leggett Well pump

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1485047A (en) * 1920-01-28 1924-02-26 Adolph Mueller Service box
BE762173A (fr) * 1968-04-12 1971-07-01 Pancol Marc Bouche a cle reglable
US3951441A (en) * 1973-06-25 1976-04-20 Josam Manufacturing Co. Adjustable plumbing fitting

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1485047A (en) * 1920-01-28 1924-02-26 Adolph Mueller Service box
BE762173A (fr) * 1968-04-12 1971-07-01 Pancol Marc Bouche a cle reglable
US3951441A (en) * 1973-06-25 1976-04-20 Josam Manufacturing Co. Adjustable plumbing fitting

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2719168A1 (fr) * 1994-04-22 1995-10-27 Seifel Sa Coffret enterré destiné à contenir des organes de raccordement d'une installation à un réseau de distribution.
WO2013135514A1 (de) * 2012-03-15 2013-09-19 E. Hawle Armaturenwerke Gmbh Einbaugarnitur und verfahren zu deren herstellung
US10370832B2 (en) 2017-02-10 2019-08-06 John Albert Leggett Hydrant assembly

Also Published As

Publication number Publication date
FI925502A0 (fi) 1992-12-03
DE69205126T2 (de) 1996-02-29
GR3017542T3 (en) 1995-12-31
ATE128504T1 (de) 1995-10-15
FI97250C (fi) 1996-11-11
FI97250B (fi) 1996-07-31
ES2072234T3 (es) 1996-01-01
NO924659D0 (no) 1992-12-03
EP0545840B1 (de) 1995-09-27
FR2684703B1 (fr) 1994-02-04
DK0545840T3 (da) 1996-02-05
NO924659L (no) 1993-06-07
DE69205126D1 (de) 1995-11-02
FI925502A (fi) 1993-06-05
ES2072234T1 (es) 1995-07-16
FR2684703A1 (fr) 1993-06-11

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