EP0362862A2 - Couvercle pour trou d'homme - Google Patents

Couvercle pour trou d'homme Download PDF

Info

Publication number
EP0362862A2
EP0362862A2 EP89118535A EP89118535A EP0362862A2 EP 0362862 A2 EP0362862 A2 EP 0362862A2 EP 89118535 A EP89118535 A EP 89118535A EP 89118535 A EP89118535 A EP 89118535A EP 0362862 A2 EP0362862 A2 EP 0362862A2
Authority
EP
European Patent Office
Prior art keywords
screw
lever
manhole cover
hub
screw lever
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
EP89118535A
Other languages
German (de)
English (en)
Other versions
EP0362862A3 (en
EP0362862B1 (fr
Inventor
Bernhard Weiss
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.)
Aqseptence Group GmbH
Original Assignee
Passavant Werke AG and Co KG
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 Passavant Werke AG and Co KG filed Critical Passavant Werke AG and Co KG
Priority to AT89118535T priority Critical patent/ATE81374T1/de
Publication of EP0362862A2 publication Critical patent/EP0362862A2/fr
Publication of EP0362862A3 publication Critical patent/EP0362862A3/de
Application granted granted Critical
Publication of EP0362862B1 publication Critical patent/EP0362862B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1463—Hinged connection of cover to frame
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1427—Locking devices

Definitions

  • the invention relates to manhole covers with a hinge and mechanical or hydraulic / pneumatic opening aid and a lock in the closed state.
  • manhole covers are often installed where they must serve as an escape and entry cover. For this purpose, they must be able to be opened and closed easily from above and below.
  • screw fasteners As a closure for such manhole covers. These screw fasteners consist of a bolt to be operated from above and a sash tongue which, when the bolt is actuated, swivels into the closed position under a frame projection and is then braced against this projection. To prevent the sash from loosening automatically when shaken, the stop surface under the projection has an opposite inclination (DECK 75 24 138).
  • the screw bolt which is extended beyond the cam tongue has a screw lever which can be engaged with the screw bolt, which is rotatably mounted on the screw bolt.
  • the screw bolt can now be easily operated from below, so that the sash tongue can be loosened or tensioned.
  • a cross pin inserted into the screw bolt and cross recesses cooperating therewith on the hub of the screw lever preferably serve as the engagement element.
  • the screw lever is at rest preferably disengaged by a compression spring. To tighten or loosen, the screw lever is pulled down into the catches and then turned. If the screw bolt is actuated from above, the screw lever is also rotated by friction until it hits the wall of the shaft, but can then continue to rotate freely.
  • the screw lever has a hub that contains the cross recesses for the cross pin, and that the hub is connected via a horizontal joint to the screw lever having a fork head, which thus hangs freely when not in use and is actuated of the bolt can turn.
  • the hub then no longer contains a compression spring and is constantly engaged. To move it by 90 ° it only needs to be lifted slightly.
  • the shaft lever 1 contains, in a bracket 2, a guided screw bolt 3 with a double-sided sash tongue 4, the rear end of which is supported on an adjustable screw 5.
  • a protrusion 7 is provided, which is gripped by the sash tongue 4.
  • the projection 7 has an angular extension 8, against which the sash tongue strikes when the screw bolt is tightened.
  • a screw lever 9 with hub 10 is freely rotatable.
  • the lower end of the hub 10 has two cross slots 11, which can cooperate with a cross pin 12 when the screw lever 9 is pulled down and locked against the force of the compression spring 13. After a quarter turn, the screw lever is raised, turned back and snapped back into place. This is possible both in the open and in the closed position. The force to open or close the sash is very low due to the reduction in the thread and the lever ratio.
  • the screw bolt 3 can be smooth without thread in the lower section. This enables better guidance of the hub and reduces the risk of the screw lever tilting.
  • Fig. 2 shows the manhole cover 1 and the guidance of the bolt 3 unchanged.
  • the hub 10 'of the screw lever 9' is constantly engaged. Instead of the horizontal lever arm, the hub has a hinge joint 14 in which the fork-shaped head 15 of the screw lever 9 'is mounted.
  • the screw lever hangs down when not in use and does not hit the shaft wall when the screw bolt is turned. To loosen or close the sash from below, swing it up and then turn it 90 °. It can then be snapped out and snapped in again at a 90 ° offset. A special guidance of the hub on the screw bolt is not necessary here.
  • the embodiment according to FIG. 3 contains, at the lower end of the screw bolt 23, a hexagon 24 fastened by means of a transverse pin 22, to which a hexagon socket in the hub 25 of the screw lever 26 corresponds. In the rest position, the screw lever 26 lies on the projecting transverse pin 22.
  • a compression spring 28 and a tubular sleeve 29 are inserted between the collar 27 of the hexagon 24 and the cam tongue 4. The compression spring is used to limit the lower position of the sash tongue, and the compression spring is used to transmit the torque from the hexagon to the sash tongue so that it is pivoted into the release position the moment it is released from the underside of the frame.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Hinges (AREA)
  • Sewing Machines And Sewing (AREA)
  • Flexible Shafts (AREA)
EP89118535A 1988-10-07 1989-10-06 Couvercle pour trou d'homme Expired - Lifetime EP0362862B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89118535T ATE81374T1 (de) 1988-10-07 1989-10-06 Schachtabdeckung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3834107 1988-10-07
DE3834107A DE3834107A1 (de) 1988-10-07 1988-10-07 Schachtabdeckung

Publications (3)

Publication Number Publication Date
EP0362862A2 true EP0362862A2 (fr) 1990-04-11
EP0362862A3 EP0362862A3 (en) 1990-10-31
EP0362862B1 EP0362862B1 (fr) 1992-10-07

Family

ID=6364570

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89118535A Expired - Lifetime EP0362862B1 (fr) 1988-10-07 1989-10-06 Couvercle pour trou d'homme

Country Status (3)

Country Link
EP (1) EP0362862B1 (fr)
AT (1) ATE81374T1 (fr)
DE (2) DE3834107A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104695485A (zh) * 2015-03-10 2015-06-10 国网上海市电力公司 一种防盗电缆井盖

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008055283A1 (fr) * 2006-11-08 2008-05-15 Pavika Management Pty. Ltd. Couvercle de trou d'homme
CN114517494A (zh) * 2021-12-27 2022-05-20 天津泰达园林建设有限公司 一种防盗检查井

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE619730C (de) * 1934-06-05 1935-10-09 Beschlagfabrik Benninghoven Kurbel-Fensterheber in Verbindung mit dem Tuerschloss, insbesondere fuer Tueren an Kraftwagen o. dgl.
US4549716A (en) * 1983-12-15 1985-10-29 Warren Timothy P Control handle arrangement for a fluid control valve
DE3705672A1 (de) * 1987-02-21 1988-09-01 Kloeckner Humboldt Deutz Ag Drehvorrichtung
DE8707742U1 (de) * 1987-05-30 1987-08-20 Passavant-Werke AG, 6209 Aarbergen Schachtabdeckung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104695485A (zh) * 2015-03-10 2015-06-10 国网上海市电力公司 一种防盗电缆井盖
CN104695485B (zh) * 2015-03-10 2016-02-10 国网上海市电力公司 一种防盗电缆井盖

Also Published As

Publication number Publication date
EP0362862A3 (en) 1990-10-31
DE58902414D1 (de) 1992-11-12
EP0362862B1 (fr) 1992-10-07
DE3834107A1 (de) 1990-04-19
ATE81374T1 (de) 1992-10-15

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