EP3378995A1 - Manhole comprising a latch - Google Patents

Manhole comprising a latch Download PDF

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Publication number
EP3378995A1
EP3378995A1 EP18162479.2A EP18162479A EP3378995A1 EP 3378995 A1 EP3378995 A1 EP 3378995A1 EP 18162479 A EP18162479 A EP 18162479A EP 3378995 A1 EP3378995 A1 EP 3378995A1
Authority
EP
European Patent Office
Prior art keywords
handle
grid
lock
buffer
latch
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
EP18162479.2A
Other languages
German (de)
French (fr)
Other versions
EP3378995B1 (en
Inventor
Alex Jean-Marie BLIEUX
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.)
EJ Emea SAS
Original Assignee
EJ Emea SAS
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 EJ Emea SAS filed Critical EJ Emea SAS
Priority to PL18162479T priority Critical patent/PL3378995T3/en
Priority to SI201830532T priority patent/SI3378995T1/en
Priority to RS20220062A priority patent/RS62843B1/en
Publication of EP3378995A1 publication Critical patent/EP3378995A1/en
Application granted granted Critical
Publication of EP3378995B1 publication Critical patent/EP3378995B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E02D29/1427—Locking devices

Definitions

  • the present invention generally relates to a manhole, that is to say a means for inspecting or accessing underground infrastructure.
  • a manhole that is to say a means for inspecting or accessing underground infrastructure.
  • Such a look includes a fixed frame embedded in the roadway, a buffer or cover (or a grid) connected to the frame by a hinge allowing the buffer to pivot between a closed position of the opening of the frame and an unobstructed position of this opening to allow a speaker to access the floor.
  • a lock may be associated with the pad opposite its articulation to the frame and allows the locking of the buffer to its folded position on the frame and the unlocking of the pad to bring it to its release position of the opening of the frame.
  • the lock may be in the form of an angle lever pivotally mounted on the pad and one of the arms cooperates with a latch member of a wall of the frame to perform the locking of the buffer on the frame and the Another arm forms a latch handle to move the latch arm to its unlocked position and lift the pad to its upright position from the opening of the frame.
  • the plaintiff has found that if the locking device of the buffer on the frame is entirely satisfactory, it is however not immune to an act of malicious intent. Indeed, the arm forming the operating handle of the lock is easily accessible from the outside of the buffer occupying its locked position on the frame so that any malicious person can easily bring the lock to its position of unlocking the frame buffer.
  • the buffer comprising a through hole in which can be mounted a pivot axis controlled by a key and carrying under the buffer a bolt that can occupy under the action of the key a locking position of the arm of the latch in its locking position of the buffer to the frame or an unlocking position of the locking arm allowing the maneuvering of the other arm of the latch to bring the locking arm to its position of unlocking the frame buffer.
  • the look disclosed in this document has improved security by the use of a key lock, but has the disadvantage that the port and the key pivot axis occupy a position between the lock and a central area of the pad. . This limits the area available for marking the stamp. In the case of a grid, this limits the open area of the grid, or where appropriate also the marking surface provided on the grid.
  • some applications may require the use of a look whose buffer (or grid) is secured by a key lock, while a keyless lock buffer is sufficient for other applications.
  • the buffer marking area is reduced whether or not the latter is equipped with a key lock.
  • such a differentiation does not allow to choose to equip or not the look of a key lock during installation.
  • the invention aims to solve at least one of the aforementioned drawbacks.
  • the invention relates to a manhole comprising a fixed frame, a buffer or a grid connected to the frame by a hinge allowing the pad or the gate to pivot between a closed position of the opening of the frame and an unobstructed position of this opening and a latch associated with the pad or grid opposite the hinge.
  • the latch comprises a handle movable with respect to said pad or said grid, between a locked position in which it immobilizes the pad or the grid vis-à-vis the frame in its closed position of the opening, and an unlocked position in which it allows the pivoting of the pad or the grid towards its position released from the opening.
  • the handle is shaped for fixing a key lock for locking the lock handle to its locked position or the unlocking the handle allowing the operation of the lock handle to bring it to its unlocked position.
  • the stamp surface remains widely available for marking, whether or not the look is equipped with a key lock.
  • the lock may for example be in the form of an angle lever pivotally mounted on the pad or the grid and one of the arms cooperates with a keeper member of the wall of the frame to perform the locking of the buffer or the grid to the frame and the other arm forms the operating handle of the latch and lifting of the buffer or grid in the unlocked position of said buffer or grid.
  • the handle has a through hole as a conformation for securing a key lock.
  • the orifice through the handle can be closed by a frangible cap that can be removed by a tool to release the hole and allow the mounting of the key lock.
  • the lock can be cast iron. It can be obtained by molding.
  • the lock can be molded without insert or core.
  • the invention also relates to an assembly comprising a manhole as previously defined and a key lock having a pivot axis controlled by a key and carrying under the handle a bolt that can occupy under the action of the key a position of locking the lock handle to its locked position or a release position of the handle allowing the operation of the lock handle to bring it to its unlocked position.
  • the bolt in the locking position mechanically interferes with a bearing surface formed under the pad so as to immobilize the handle with respect to the pad or the pad. wire rack.
  • the bearing surface may be formed by a latch receiving housing formed integrally with the pad or the grid in said buffer or in said grid and in a lower face of said buffer or said grid.
  • an assembly may comprise an indexing means holding in stable position the key lock is in the locking position of the handle, or in the unlocking position of the handle.
  • FIG. 1 To the figure 1 is shown a manhole according to one embodiment of the invention.
  • the manhole 1 is intended to be embedded in a roadway and comprises a frame 2 which, in the exemplary embodiment shown, has a general octagonal outer shape.
  • the manhole 1 further comprises a buffer 3 connected to the frame 2 by a hinge 4.
  • the buffer 3 corresponds to a cover making it possible to seal or make apparent an opening 5 of the frame 2.
  • a grid may be used to cover the opening 5 while allowing for example the passage of water in said opening 5.
  • the pad 3 can pivot between a closed position of the opening 5 of the frame 2 in which said pad 3 is folded, horizontally, on said opening 5, and a position released from this opening 5.
  • the buffer 3 in its unobstructed position can form an angle of about 110 ° vis-à-vis the frame, the 90 ° opening position for disassembly of the hinge 4 and the extraction of the buffer 3 of the frame 2.
  • the buffer is shown in an open position, intermediate between the closed position of the opening 5 of the frame 2 and the unobstructed position of this opening 5.
  • the hinge 4 may be of the type comprising an axis 41 integral with the buffer 3 that can tilt in a space 42 arranged in an outer lug 22 of the frame 2.
  • axis 41 integral with the buffer 3 that can tilt in a space 42 arranged in an outer lug 22 of the frame 2.
  • other types of joints of the buffer 3 to the frame 2 may be envisaged without departing from the invention.
  • the pad 3 is generally circular in shape to engage in the corresponding circular opening 5 of the frame 2 in order to close this opening 5.
  • the pad 3 is provided with centering tabs 6 making it possible to achieve a good guiding and centering of the buffer 3 in the circular opening 5 of the frame 2.
  • the buffer 3 In the closed position of the opening 5 of the frame 2, the buffer 3 bears against an internal peripheral rib 21 of the frame 2 by the intermediate of an elastic support integral with the rib 21.
  • the manhole 1 is also provided with a latch 7 associated with the buffer 3 opposite the hinge 4.
  • the latch 7 is diametrically opposed to the hinge 4.
  • the bent lever comprises a first arm 71 having at its end a first transverse bar 72 shaped to cooperate with a keeper member 23 and protruding from a wall of the frame 2 in the opening 5 of the latter, to effect the locking of the buffer 3 on the frame 2.
  • the first transverse bar 72 protrudes on either side of the first arm 71 and has an upper face 73 which can be arranged with little play under the latch member 23 to lock the buffer 3 on the frame 2.
  • the bent lever comprises a second arm forming a handle 74 for operating the latch 7.
  • the handle 74 also allows the pad 3 to be lifted when it is unlocked from the frame 2.
  • the handle 74 may have an end that facilitates actuation (ie tilting or pivoting) and gripping.
  • the second handle arm 74 may comprise a second transverse bar 75.
  • the latch 7 in the form of a bent lever comprises a pivot axis 76 extending transversely to the two arms of the latch.
  • the pivot axis 76 is formed by the bend between said two arms and two substantially cylindrical transverse lugs and protruding on either side of the elbow of the lock 7.
  • the latch 7 is inserted and retained in a housing 31 formed in and under the buffer 3.
  • the handle 74 comprises a means 8 configured to allow the attachment of a key lock.
  • This means 8 may be a support shaped to allow rigid attachment of a key lock adapted.
  • the means 8 shaped for fixing a key lock has an orifice 81 passing through the handle covered with a frangible cover 82.
  • the frangible cover 82 can be detached by means of a suitable tool introduced at the orifice 81. When the frangible cover is disengaged, the port 81 is released and allows the installation of a key lock through the handle 74.
  • the frangible seal 82 can be made detachable from the rest of the handle 74 by connections of small thickness between said seal and the walls of the orifice 81 of the handle 74.
  • the links of small thicknesses break under the effect of the impact of a suitable tool that can be a small chisel introduced into the orifice 81 resting on the frangible cap 82, and on which is exerted a violent force, for example by a hammer, so that the shock completely disengages the cap 82 of the handle 74.
  • a suitable tool that can be a small chisel introduced into the orifice 81 resting on the frangible cap 82, and on which is exerted a violent force, for example by a hammer, so that the shock completely disengages the cap 82 of the handle 74.
  • the frangible lid can be obtained in one piece with the handle 74, for example during the molding preferably without core or insert of the latch 7 having the handle 74.
  • the latch 7 comprising the handle 74 may in particular be cast iron.
  • a key lock 9 can be mounted through the orifice 81.
  • FIG. 5 illustrates a lock 7 whose handle 74 is equipped with a key lock 9.
  • the key lock 9 adapted to be mounted in the orifice 81 shown here comprises a pivot axis 91 controlled by a key, not shown.
  • the shaft 91 carries, towards its projecting end under the handle 74 of the latch 7, a bolt 92.
  • the bolt 92 can occupy a locking position of the handle 74 of the latch 7, shown in FIG. figure 6 .
  • the bolt can occupy, after rotation about 90 ° of the axis 91, a release position of the handle 74 of the latch 7, shown in FIG. figure 7 .
  • the unlocking position of the handle 74 authorizes its operation, that is to say its rotation vis-à-vis the buffer 3 and corollary the tilting of the latch 7 about its pivot axis 76.
  • the unlocking position of the handle 74 thus makes it possible to bring the latch 7 in a tilted position shown in FIG. figure 8 , for which the buffer is unlocked, which allows to open to the open position of the opening 5 of the frame 2.
  • the bolt 92 may be in the form of an elongated rigid plate.
  • the bolt 92 is shaped to interfere mechanically with a bearing surface 35 formed under the pad 3 so that the operation of the handle 74 and the tilting of the latch 7 are prevented, when said bolt is in a locking position of the handle which is illustrated in the figure 6 .
  • the bolt 92 is integral with the axis 91.
  • the bolt extends orthogonally with respect to the axis 91. By rotation of the axis 91, the bolt 92 can be brought into the unlocking position of the handle 74. , illustrated in figure 7 . In the unlocking position of the handle 74, the bolt 92 no longer interferes with the bearing surface 35, which frees the operation of the handle 74 and the latch 7.
  • the axis 91 may be constituted by a generally cylindrical body.
  • the bolt can be made to rotate relative to the axis 91 by providing a flat on the axis 91, and piercing the bolt of a correspondingly shaped orifice.
  • the bolt is immobilized on the axis 91 by means of a nut 93.
  • the other end of the axis 91 is located above the handle 74, that is to say at its surface exposed to the upper surface 32 of the buffer 3. At this end, the axis 91 is with a head 94.
  • the head 94 is resting on the surface of the handle 74, for example in a circular impression 83 formed on the handle 74. Washers may be interposed between the head 94 and the handle 74, facilitating the rotation of the head 94 and thus of the axis 91, and avoiding the wear of the handle 74.
  • the head 94 has a shape adapted to be rotated by a key of corresponding shape.
  • the head 94 may have an outer shape that is not of revolution (cylinder truncated by a longitudinal flat, square, triangle, hexagon, etc.) or have an imprint for rotating the head 94 (hexagonal, square, triangular, cruciform, etc.).
  • a helical spring 95 is mounted on the shaft 91 and interposed between the bolt 92 and the handle 74.
  • the spring bears, at the level of the handle, on a washer 96.
  • the coil spring 95 can have several functions. The spring can hold the key lock in the correct axial position in the orifice 81 of the handle 74. In particular, the head 94 is kept pressed into the circular imprint 83, against the surface of the handle 74.
  • the coil spring can also operate an indexing means holding in stable position the key lock is in the locking position of the handle, or in the unlocking position of the handle.
  • the locking position of the handle corresponds to a certain orientation of the bolt 92
  • the unlocking position of the handle corresponds to an orientation of the bolt 92 substantially orthogonal to the orientation in the locked position.
  • the handle is provided, at its lower face (opposite to the bearing face of the head 94) of a boss 77 traversed by the orifice 81.
  • the boss 77 has a cruciform impression 78, that is to say a hollow pattern formed on said boss 77.
  • the boss can be advantageously formed in one piece with the latch 7, or be fixed therein.
  • the washer 96 has, on its face maintained in contact with the boss under the effect of the helical spring 95, a protrusion adapted to engage in the cruciform impression 78.
  • the protrusion can be in the form of a simple pawn, but to ensure a better balance to the washer 95 the protrusion can be in the form of two diametrically opposed pins, or four pions arranged in a cross .
  • the protrusion may be obtained by folding the washer 95.
  • the protrusion may be formed by a cross formed on the washer 95, and corresponding to the cruciform impression 78, pierced at its center by a hole allowing the passage of the 91.
  • the hole of the washer 96 may have a flat corresponding to a flat portion of the axis 91 in order to immobilize the washer 96 in rotation with respect to the axis 91.
  • the protrusion of the washer 96 is engaged in at least a first branch of the cruciform pattern when the key lock is in the locking position of the handle and is engaged in a second branch of the cruciform pattern substantially orthogonal to the first branch when the key lock is in the release position of the handle.
  • said protrusion is engaged simultaneously in the four branches of the cruciform impression 78, an element of the protrusion (for example a branch of the cross) passing from the first branch of the footprint cruciform to the second leg of the cruciform recess between the locking position of the keyed handle and the unlocking position of the handle.
  • the portion of the protuberance engaged in a first branch in the locking position of the handle is engaged in a second branch in the unlocking position of the handle.
  • an operator introduces the head portion 94 of the axis 91 in the conjugate fingerprint of the locking key and maneuver (not shown), and turns said key in a direction for pivoting simultaneously the axis 91 and the bolt 92 of a limited angle of rotation, for example 90 ° in the exemplary embodiment shown here, so that the bolt 92 no longer interferes mechanically with an integral element of the buffer 3.
  • the operator can then grasp the second bar 75 of the handle 74 to rotate the latch 7 so as to make him take the position shown in FIG. figure 8 and disengage the first bar 72 from below the keeper member 23.
  • the operator can tilt the pad 3 from its closed position to close the opening 5 of the frame 2 to its open position released from the opening 5 of the frame 2.
  • the pad 3 When it is desired to close the frame 2 again by the pad 3, the pad 3 is tilted around the hinge 4 so as to extend horizontally above its opening 5, and the handle 74 is brought back into position. horizontal position inside the housing 31, which switches the latch 7 in the locked position of Figures 7 and 8 wherein the first bar 72 cooperates with the keeper member 23 to immobilize the pad.
  • the look whose handle is predisposed to the installation of a key lock suitable for example may be provided with a kit for installing (or not, as necessary) of the key lock.
  • a kit comprises said key lock, and, optionally, the tools necessary for its mounting.
  • the tooling comprises a punch adapted to remove the seal closing the through orifice of the handle.
  • the invention has been described with reference to a manhole whose stamp is generally circular in shape, but it is understood that it can be applied to any other form of stamp, such as a rectangular stamp inscribing in a rectangular-shaped frame or a triangular stamp inscribing with other adjacent triangular pads in a rectangular frame.
  • the invention can be applied to a manhole with a grid of any of the aforementioned forms.

Abstract

L'invention porte sur un regard de chaussée (1) comprenant un cadre (2) fixe, un tampon (3) ou une grille relié au cadre (2) par une articulation (4) et un verrou (7) associé au tampon (3) ou à la grille à l'opposé de l'articulation. Le verrou (7) comporte une poignée mobile entre une position verrouillée dans laquelle elle immobilise le tampon (3) ou la grille vis-à-vis du cadre (2) dans une position d'obturation de l'ouverture (5), et une position déverrouillée dans laquelle elle permet le pivotement du tampon (3) ou de la grille vers une position dégagée de l'ouverture (5). La poignée est conformée pour la fixation d'une serrure à clé permettant le blocage de la poignée du verrou (7) à sa position verrouillée ou le déblocage de la poignée autorisant la manoeuvre de la poignée du verrou (7) pour l'amener à sa position déverrouillée. L'invention porte également sur un ensemble comportant un tel regard de chaussé et une serrure à clé.

Figure imgaf001
The invention relates to a manhole (1) comprising a frame (2) fixed, a buffer (3) or a grid connected to the frame (2) by a hinge (4) and a lock (7) associated with the buffer ( 3) or the grid opposite the joint. The latch (7) comprises a handle movable between a locked position in which it immobilizes the buffer (3) or the grid vis-à-vis the frame (2) in a closed position of the opening (5), and an unlocked position in which it allows the pivoting of the pad (3) or the gate to a position released from the opening (5). The handle is shaped for fixing a key lock for locking the lock handle (7) to its locked position or unlocking the handle allowing the operation of the handle lock (7) to bring it to its unlocked position. The invention also relates to an assembly comprising such a look of pavement and a key lock.
Figure imgaf001

Description

La présente invention concerne d'une manière générale un regard de chaussée, c'est-à-dire un moyen permettant d'inspecter ou d'accéder à des infrastructures souterraines. Un tel regard comprend un cadre fixe noyé dans la chaussée, un tampon ou couvercle (ou une grille) relié au cadre par une articulation permettant au tampon de pivoter entre une position d'obturation de l'ouverture du cadre et une position dégagée de cette ouverture pour permettre à un intervenant d'accéder au regard de chaussée.The present invention generally relates to a manhole, that is to say a means for inspecting or accessing underground infrastructure. Such a look includes a fixed frame embedded in the roadway, a buffer or cover (or a grid) connected to the frame by a hinge allowing the buffer to pivot between a closed position of the opening of the frame and an unobstructed position of this opening to allow a speaker to access the floor.

De manière connue, un verrou peut être associé au tampon à l'opposé de son articulation au cadre et permet le verrouillage du tampon à sa position rabattue sur le cadre et le déverrouillage du tampon pour l'amener à sa position de dégagement de l'ouverture du cadre.In known manner, a lock may be associated with the pad opposite its articulation to the frame and allows the locking of the buffer to its folded position on the frame and the unlocking of the pad to bring it to its release position of the opening of the frame.

Comme présenté dans le document EP 0 856 611 , le verrou peut se présenter sous la forme d'un levier coudé monté à pivotement sur le tampon et dont l'un des bras coopère avec un organe formant gâche d'une paroi du cadre pour effectuer le verrouillage du tampon sur le cadre et l'autre bras forme une poignée de manoeuvre de verrou pour amener le bras de verrouillage à sa position déverrouillée et de soulèvement du tampon à sa position debout de dégagement de l'ouverture du cadre.As presented in the document EP 0 856 611 , the lock may be in the form of an angle lever pivotally mounted on the pad and one of the arms cooperates with a latch member of a wall of the frame to perform the locking of the buffer on the frame and the Another arm forms a latch handle to move the latch arm to its unlocked position and lift the pad to its upright position from the opening of the frame.

La demanderesse a constaté que si ce dispositif de verrouillage du tampon sur le cadre donne entière satisfaction, il n'est cependant pas à l'abri d'un acte de malveillance. En effet, le bras formant poignée de manoeuvre du verrou est aisément accessible de l'extérieur du tampon occupant sa position verrouillée sur le cadre de sorte que toute personne malveillante peut facilement amener le verrou à sa position de déverrouillage du tampon du cadre.The plaintiff has found that if the locking device of the buffer on the frame is entirely satisfactory, it is however not immune to an act of malicious intent. Indeed, the arm forming the operating handle of the lock is easily accessible from the outside of the buffer occupying its locked position on the frame so that any malicious person can easily bring the lock to its position of unlocking the frame buffer.

Afin de résoudre ce problème, il est proposé dans le document FR 3 022 923 un regard de chaussée analogue, dont le tampon comprend un orifice traversant dans lequel peut être monté un axe à pivotement commandé par une clé et portant sous le tampon un pêne pouvant occuper sous l'action de la clé une position de blocage du bras du verrou à sa position de verrouillage du tampon au cadre ou une position de déblocage du bras de verrouillage autorisant la manoeuvre de l'autre bras du verrou pour amener le bras de verrouillage à sa position de déverrouillage du tampon du cadre. Le regard divulgué dans ce document présente une sécurité améliorée par l'emploi d'une serrure à clé, mais présente l'inconvénient que l'orifice et l'axe à pivotement à clé occupent une position entre le verrou et une zone centrale du tampon. Cela limite d'autant la surface disponible pour le marquage du tampon. Dans le cas d'une grille, cela limite surface ouverte de la grille, ou le cas échéant également la surface de marquage prévue sur la grille.In order to solve this problem, it is proposed in the document FR 3,022,923 a similar manhole, the buffer comprising a through hole in which can be mounted a pivot axis controlled by a key and carrying under the buffer a bolt that can occupy under the action of the key a locking position of the arm of the latch in its locking position of the buffer to the frame or an unlocking position of the locking arm allowing the maneuvering of the other arm of the latch to bring the locking arm to its position of unlocking the frame buffer. The look disclosed in this document has improved security by the use of a key lock, but has the disadvantage that the port and the key pivot axis occupy a position between the lock and a central area of the pad. . This limits the area available for marking the stamp. In the case of a grid, this limits the open area of the grid, or where appropriate also the marking surface provided on the grid.

En outre certaines applications peuvent nécessiter l'emploi d'un regard dont le tampon (ou la grille) est sécurisé par un verrou à clé, alors qu'un tampon à verrouillage sans clé suffit pour d'autres applications. Ainsi, sauf à créer dans une gamme commerciale deux tampons différents selon les applications envisagées, la zone de marquage du tampon est réduite que ce dernier soit ou non équipé d'une serrure à clé. En outre, dans le cas d'un tampon à grande surface de marquage, une telle différentiation ne permet pas de choisir d'équiper ou non le regard d'une serrure à clé lors de son installation.In addition some applications may require the use of a look whose buffer (or grid) is secured by a key lock, while a keyless lock buffer is sufficient for other applications. Thus, except to create in a commercial range two different buffers according to the intended applications, the buffer marking area is reduced whether or not the latter is equipped with a key lock. In addition, in the case of a large stamping surface buffer, such a differentiation does not allow to choose to equip or not the look of a key lock during installation.

L'invention vise à résoudre au moins l'un des inconvénients précités.The invention aims to solve at least one of the aforementioned drawbacks.

A cette fin, l'invention porte sur un regard de chaussée comprenant un cadre fixe, un tampon ou une grille relié au cadre par une articulation permettant au tampon ou à la grille de pivoter entre une position d'obturation de l'ouverture du cadre et une position dégagée de cette ouverture et un verrou associé au tampon ou à la grille à l'opposé de l'articulation. Le verrou comporte une poignée mobile vis-à-vis dudit tampon ou de ladite grille, entre une position verrouillée dans laquelle elle immobilise le tampon ou la grille vis-à-vis du cadre dans sa position d'obturation de l'ouverture, et une position déverrouillée dans laquelle elle permet le pivotement du tampon ou de la grille vers sa position dégagée de l'ouverture. La poignée est conformée pour la fixation d'une serrure à clé permettant le blocage de la poignée du verrou à sa position verrouillée ou le déblocage de la poignée autorisant la manoeuvre de la poignée du verrou pour l'amener à sa position déverrouillée.To this end, the invention relates to a manhole comprising a fixed frame, a buffer or a grid connected to the frame by a hinge allowing the pad or the gate to pivot between a closed position of the opening of the frame and an unobstructed position of this opening and a latch associated with the pad or grid opposite the hinge. The latch comprises a handle movable with respect to said pad or said grid, between a locked position in which it immobilizes the pad or the grid vis-à-vis the frame in its closed position of the opening, and an unlocked position in which it allows the pivoting of the pad or the grid towards its position released from the opening. The handle is shaped for fixing a key lock for locking the lock handle to its locked position or the unlocking the handle allowing the operation of the lock handle to bring it to its unlocked position.

Grâce à la conformation particulière de la poignée du verrou permettant la fixation d'une serrure à clé, la surface du tampon demeure largement disponible pour réaliser un marquage, que le regard soit finalement équipé ou non d'une serrure à clé.Thanks to the particular shape of the handle of the lock for fixing a key lock, the stamp surface remains widely available for marking, whether or not the look is equipped with a key lock.

Le verrou peut par exemple se présenter sous la forme d'un levier coudé monté à pivotement sur le tampon ou la grille et dont l'un des bras coopère avec un organe formant gâche de la paroi du cadre pour effectuer le verrouillage du tampon ou de la grille au cadre et l'autre bras forme la poignée de manoeuvre du verrou et de soulèvement du tampon ou de la grille en position déverrouillée dudit tampon ou de la grille.The lock may for example be in the form of an angle lever pivotally mounted on the pad or the grid and one of the arms cooperates with a keeper member of the wall of the frame to perform the locking of the buffer or the grid to the frame and the other arm forms the operating handle of the latch and lifting of the buffer or grid in the unlocked position of said buffer or grid.

Dans un mode de réalisation, la poignée comporte un orifice traversant, en tant que conformation pour la fixation d'une serrure à clé. Dans ce cas, l'orifice traversant la poignée peut être obturé par un opercule frangible pouvant être retiré par un outil pour libérer l'orifice et y permettre le montage de la serrure à clé.In one embodiment, the handle has a through hole as a conformation for securing a key lock. In this case, the orifice through the handle can be closed by a frangible cap that can be removed by a tool to release the hole and allow the mounting of the key lock.

Le verrou peut être en fonte. Il peut être obtenu par moulage. Le moulage du verrou peut être réalisé sans insert ni noyau.The lock can be cast iron. It can be obtained by molding. The lock can be molded without insert or core.

L'invention porte également sur un ensemble comportant un regard de chaussée tel que précédemment défini et une serrure à clé comportant un axe à pivotement commandé par une clé et portant sous la poignée un pêne pouvant occuper sous l'action de la clé une position de blocage de la poignée du verrou à sa position verrouillée ou une position de déblocage de la poignée autorisant la manoeuvre de la poignée du verrou pour l'amener à sa position déverrouillée.The invention also relates to an assembly comprising a manhole as previously defined and a key lock having a pivot axis controlled by a key and carrying under the handle a bolt that can occupy under the action of the key a position of locking the lock handle to its locked position or a release position of the handle allowing the operation of the lock handle to bring it to its unlocked position.

Dans un exemple de mode de réalisation, lorsque la poignée est en position verrouillée, le pêne en position de blocage interfère mécaniquement avec une surface d'appui formée sous le tampon de sorte à immobiliser la poignée vis-à-vis du tampon ou de la grille. La surface d'appui peut être formée par un logement de réception du verrou formé intégralement avec le tampon ou la grille dans ledit tampon ou dans ladite grille et sous une face inférieure dudit tampon ou de ladite grille.In an exemplary embodiment, when the handle is in the locked position, the bolt in the locking position mechanically interferes with a bearing surface formed under the pad so as to immobilize the handle with respect to the pad or the pad. wire rack. The bearing surface may be formed by a latch receiving housing formed integrally with the pad or the grid in said buffer or in said grid and in a lower face of said buffer or said grid.

En tel ensemble peut comporter un moyen d'indexation retenant en position stable la serrure à clé soit en position de blocage de la poignée, soit en position de déblocage de la poignée.In such an assembly may comprise an indexing means holding in stable position the key lock is in the locking position of the handle, or in the unlocking position of the handle.

Le moyen d'indexation peut comporter :

  • un bossage présentant une empreinte cruciforme, lié fixement au verrou ou formé intégralement avec le verrou, et
  • une rondelle présentant une excroissance adaptée à s'engager dans une branche de l'empreinte cruciforme et liée fixement à la serrure à clé,
    de sorte que ladite excroissance est engagée dans au moins une première branche de l'empreinte cruciforme lorsque la serrure à clé est en position de blocage de la poignée et que la partie de l'excroissance engagée dans ladite première branche en position de blocage de la poignée est engagée dans une deuxième branche de l'empreinte cruciforme orthogonale à la première branche lorsque la serrure à clé est en position de déblocage de la poignée.
The indexing means may comprise:
  • a boss having a cruciform impression, fixedly attached to the lock or formed integrally with the lock, and
  • a washer having a protrusion adapted to engage in a branch of the cruciform impression and fixedly attached to the key lock,
    so that said protrusion is engaged in at least a first branch of the cruciform recess when the key lock is in the locking position of the handle and the portion of the protrusion engaged in said first arm in the locking position of the handle is engaged in a second branch of the cruciform recess orthogonal to the first limb when the key lock is in the unlocking position of the handle.

D'autres particularités et avantages de l'invention apparaîtront encore dans la description ci-après.Other features and advantages of the invention will become apparent in the description below.

Aux dessins annexés, donnés à titre d'exemples non limitatifs :

  • la figure 1 représente, selon une vue en trois dimensions, un exemple de regard de chaussée conforme à l'invention ;
  • la figure 2 représente, selon une vue de dessus, le regard de chaussée de la figure 1 équipé d'une serrure à clé ;
  • la figure 3 représente, selon une première vue schématique en trois dimensions, un verrou pouvant être mis en oeuvre dans le regard de chaussée des figures 1 et 2 ;
  • la figure 4 représente, selon une deuxième vue schématique en trois dimensions, le verrou de la figure 3,
  • la figure 5 représente, selon une vue schématique en trois dimensions, le verrou de la figure 3 et 4 équipé d'une serrure à clé ;
  • La figure 6 représente, selon une vue schématique en trois dimensions, le verrou équipé d'une serrure à clé de la figure 5 monté sur un tampon d'un regard de chaussée conforme à un mode de réalisation de l'invention, la serrure à clé étant dans une position de blocage de la poignée du verrou, le verrou étant en position verrouillée ;
  • la figure 7 représente l'ensemble de la figure 6, la serrure à clé étant dans une position de déblocage de la poignée du verrou, le verrou étant en position verrouillée ;
  • la figure 8 représente l'ensemble de la figure 7, la serrure à clé étant dans une position de déblocage de la poignée du verrou, le verrou étant basculé en position déverrouillée.
In the accompanying drawings, given as non-limiting examples:
  • the figure 1 represents, in a three-dimensional view, an example of a manhole according to the invention;
  • the figure 2 represents, in a view from above, the look of the roadway of the figure 1 equipped with a key lock;
  • the figure 3 represents, in a first three-dimensional diagrammatic view, a latch that can be implemented in the roadway of Figures 1 and 2 ;
  • the figure 4 represents, according to a second diagrammatic view in three dimensions, the latch of the figure 3 ,
  • the figure 5 represents, in a schematic three-dimensional view, the latch of the figure 3 and 4 equipped with a key lock;
  • The figure 6 represents, in a schematic three-dimensional view, the lock equipped with a key lock of the figure 5 mounted on a buffering a manhole according to an embodiment of the invention, the key lock being in a locking position of the handle of the lock, the lock being in the locked position;
  • the figure 7 represents the whole of the figure 6 , the key lock being in a release position of the handle of the lock, the lock being in the locked position;
  • the figure 8 represents the whole of the figure 7 , the key lock being in a release position of the lock handle, the latch being tilted to the unlocked position.

A la figure 1 est représenté un regard de chaussée conforme à un mode de réalisation de l'invention.To the figure 1 is shown a manhole according to one embodiment of the invention.

Le regard de chaussée 1 est destiné à être noyé dans une chaussée et comprend un cadre 2 qui, dans l'exemple de réalisation représenté, a une forme générale extérieure octogonale. Le regard de chaussée 1 comporte en outre un tampon 3 relié au cadre 2 par une articulation 4. Le tampon 3 correspond à un couvercle permettant d'obturer ou de rendre apparente une ouverture 5 du cadre 2. Alternativement, une grille peut être employée pour recouvrir l'ouverture 5 tout en permettant par exemple le passage d'eau dans ladite ouverture 5.The manhole 1 is intended to be embedded in a roadway and comprises a frame 2 which, in the exemplary embodiment shown, has a general octagonal outer shape. The manhole 1 further comprises a buffer 3 connected to the frame 2 by a hinge 4. The buffer 3 corresponds to a cover making it possible to seal or make apparent an opening 5 of the frame 2. Alternatively, a grid may be used to cover the opening 5 while allowing for example the passage of water in said opening 5.

En particulier, le tampon 3 peut pivoter entre une position d'obturation de l'ouverture 5 du cadre 2 dans laquelle ledit tampon 3 est rabattu, horizontalement, sur ladite ouverture 5, et une position dégagée de cette ouverture 5. Par exemple, dans sa position dégagée le tampon 3 peut former un angle d'environ 110° vis-à-vis du cadre, la position à 90° d'ouverture permettant le démontage de l'articulation 4 et l'extraction du tampon 3 du cadre 2.In particular, the pad 3 can pivot between a closed position of the opening 5 of the frame 2 in which said pad 3 is folded, horizontally, on said opening 5, and a position released from this opening 5. For example, in its unobstructed position the buffer 3 can form an angle of about 110 ° vis-à-vis the frame, the 90 ° opening position for disassembly of the hinge 4 and the extraction of the buffer 3 of the frame 2.

A la figure 1, le tampon est représenté dans une position entrouverte, intermédiaire entre la position d'obturation de l'ouverture 5 du cadre 2 et la position dégagée de cette ouverture 5.To the figure 1 , the buffer is shown in an open position, intermediate between the closed position of the opening 5 of the frame 2 and the unobstructed position of this opening 5.

L'articulation 4 peut être du type comportant un axe 41 solidaire du tampon 3 pouvant basculer dans un espace 42 aménagé dans une oreille externe 22 du cadre 2. Bien évidemment, d'autres types d'articulations du tampon 3 au cadre 2 peuvent être envisagés sans sortir de l'invention.The hinge 4 may be of the type comprising an axis 41 integral with the buffer 3 that can tilt in a space 42 arranged in an outer lug 22 of the frame 2. Of course, other types of joints of the buffer 3 to the frame 2 may be envisaged without departing from the invention.

Dans l'exemple représenté, le tampon 3 est de forme générale circulaire apte à s'engager dans l'ouverture 5 circulaire correspondante du cadre 2 afin d'obturer cette ouverture 5. Le tampon 3 est pourvu de pattes de centrage 6 permettant de réaliser un bon guidage et centrage du tampon 3 dans l'ouverture 5 circulaire du cadre 2. En position d'obturation de l'ouverture 5 du cadre 2, le tampon 3 est en appui sur une nervure 21 périphérique interne du cadre 2 par l'intermédiaire d'un support élastique solidaire de la nervure 21.In the example shown, the pad 3 is generally circular in shape to engage in the corresponding circular opening 5 of the frame 2 in order to close this opening 5. The pad 3 is provided with centering tabs 6 making it possible to achieve a good guiding and centering of the buffer 3 in the circular opening 5 of the frame 2. In the closed position of the opening 5 of the frame 2, the buffer 3 bears against an internal peripheral rib 21 of the frame 2 by the intermediate of an elastic support integral with the rib 21.

Le regard de chaussée 1 est également pourvu d'un verrou 7 associé au tampon 3 à l'opposé de l'articulation 4. Ainsi, lorsque le tampon 3 présente une forme circulaire, le verrou 7 est diamétralement opposé à l'articulation 4.The manhole 1 is also provided with a latch 7 associated with the buffer 3 opposite the hinge 4. Thus, when the buffer 3 has a circular shape, the latch 7 is diametrically opposed to the hinge 4.

Le verrou 7, dont un mode de réalisation propre à l'invention est représenté aux figures 3 à 5, se présente sous la forme d'un levier coudé sensiblement en équerre, monté à pivotement sur le tampon 3.The lock 7, an embodiment of the invention is shown in Figures 3 to 5 , is in the form of a substantially angular lever angularly mounted pivotally on the pad 3.

Le levier coudé comprend un premier bras 71 comportant à son extrémité une première barrette transversale 72 conformée pour coopérer avec un organe formant gâche 23 et faisant saillie d'une paroi du cadre 2 dans l'ouverture 5 de ce dernier, pour effectuer le verrouillage du tampon 3 sur le cadre 2. En particulier, la première barrette transversale 72 fait saillie de part et d'autre du premier bras 71 et comporte une face supérieure 73 susceptible d'être disposée à faible jeu sous l'organe formant gâche 23 pour verrouiller le tampon 3 sur le cadre 2.The bent lever comprises a first arm 71 having at its end a first transverse bar 72 shaped to cooperate with a keeper member 23 and protruding from a wall of the frame 2 in the opening 5 of the latter, to effect the locking of the buffer 3 on the frame 2. In particular, the first transverse bar 72 protrudes on either side of the first arm 71 and has an upper face 73 which can be arranged with little play under the latch member 23 to lock the buffer 3 on the frame 2.

Le levier coudé comprend un deuxième bras formant une poignée 74 de manoeuvre du verrou 7. La poignée 74 permet également le soulèvement du tampon 3 lorsque celui-ci est déverrouillé du cadre 2. A cette fin, la poignée 74 peut présenter une extrémité qui en facilite l'actionnement (c'est à dire le basculement ou pivotement) et la préhension. A cette fin, le deuxième bras formant poignée 74 peut comporter une deuxième barrette transversale 75.The bent lever comprises a second arm forming a handle 74 for operating the latch 7. The handle 74 also allows the pad 3 to be lifted when it is unlocked from the frame 2. For this purpose, the handle 74 may have an end that facilitates actuation (ie tilting or pivoting) and gripping. For this purpose, the second handle arm 74 may comprise a second transverse bar 75.

Le verrou 7 en forme de levier coudé comprend un axe de pivotement 76 s'étendant transversalement aux deux bras du verrou. L'axe de pivotement 76 est constitué par le coude entre lesdits deux bras et deux ergots transversaux sensiblement cylindriques et faisant saillie de part et d'autre du coude du verrou 7.The latch 7 in the form of a bent lever comprises a pivot axis 76 extending transversely to the two arms of the latch. The pivot axis 76 is formed by the bend between said two arms and two substantially cylindrical transverse lugs and protruding on either side of the elbow of the lock 7.

Le verrou 7 est inséré et retenu dans un logement 31 ménagé dans et sous le tampon 3.The latch 7 is inserted and retained in a housing 31 formed in and under the buffer 3.

Le logement 31 présente, une face ouverte débouchant à la surface supérieure 32 du tampon 3. La face ouverte du logement 31 a une forme sensiblement en croix qui correspond à la forme en croix formée par le deuxième bras formant poignée 74 et la deuxième barrette transversale 75 du verrou 7, de manière qu'en position verrouillée du tampon 3 sur le cadre 2, la poignée 74 soit logée dans la face ouverte du logement 31 sans faire saillie du voile supérieur plan 32 du tampon 3. Le logement 31 comporte deux pattes 33 situées en regard l'une de l'autre de façon espacée et située sous la face inférieure 34 du tampon 3. Ces deux pattes 33 servent de paliers de support respectivement aux deux ergots de l'axe de pivotement 76 du verrou 7, ou accueillent une pièce, par exemple en matière plastique, formant paliers entre l'axe de pivotement 76 et le logement 31. Une fois le verrou 7 introduit dans le logement 31 du tampon 3, le verrou 7 formant levier coudé peut pivoter dans les pattes 33 formant paliers de support entre :

  • une position verrouillée du tampon 3 sur le cadre 2, représentée aux figures 6 et 7, dans laquelle la poignée 74 occupe une position approximativement parallèle à la surface supérieure 32 du tampon 3 et le premier bras 71 s'étend vers le bas suivant une direction sensiblement perpendiculaire à ladite surface supérieure 32 du tampon 3, avec la face supérieure 73 de la première barrette transversale 72 du premier bras 71 située en-dessous et à proximité de l'organe formant gâche 23 du cadre 2 pour empêcher le soulèvement du tampon 3 relativement au cadre 2 en l'absence de manoeuvre du verrou 7, et
  • une position déverrouillée représentée à la figure 8 dans laquelle le tampon 3 peut être basculé à l'aide de la poignée 74 vers sa position dégagée de l'ouverture 5 du cadre 2.
The housing 31 has an open face opening to the upper surface 32 of the pad 3. The open face of the housing 31 has a substantially cross-shaped shape which corresponds to the cross shape formed by the second arm forming a handle 74 and the second transverse bar 75 of the lock 7, so that in the locked position of the buffer 3 on the frame 2, the handle 74 is housed in the open face of the housing 31 without protruding from the upper planar web 32 of the buffer 3. The housing 31 has two legs 33 located opposite each other spaced apart and located under the lower face 34 of the buffer 3. These two tabs 33 serve as support bearings respectively to the two lugs of the pivot axis 76 of the latch 7, or receive a piece, for example of plastic, forming bearings between the pivot axis 76 and the housing 31. Once the lock 7 introduced into the housing 31 of the buffer 3, the latch 7 forming an angle lever can pivot in the legs 33 forming support bearings between:
  • a locked position of the buffer 3 on the frame 2, shown in Figures 6 and 7 , in which the handle 74 occupies a position approximately parallel to the upper surface 32 of the pad 3 and the first arm 71 extends downward in a direction substantially perpendicular to said upper surface 32 of the pad 3, with the upper face 73 of the first transverse bar 72 of the first arm 71 located below and in the vicinity of the latch member 23 of the frame 2 to prevent the lifting of the buffer 3 relative to the frame 2 in the absence of actuation of the latch 7, and
  • an unlocked position represented at the figure 8 in which the buffer 3 can be tilted with the handle 74 towards its position released from the opening 5 of the frame 2.

Selon l'invention, la poignée 74 comporte un moyen 8 configuré pour permettre la fixation d'une serrure à clé. Ce moyen 8 peut être un support conformé pour permettre la fixation rigide d'une serrure à clé adaptée. Dans l'exemple ici représenté, le moyen 8 conformé pour la fixation d'une serrure à clé comporte un orifice 81 traversant la poignée recouvert d'un opercule frangible 82. L'opercule frangible 82 peut être désolidarisé à l'aide d'un outil adapté introduit au niveau de l'orifice 81. Lorsque l'opercule frangible est désolidarisé, l'orifice 81 est libéré et permet l'installation d'une serrure à clé à travers la poignée 74. L'opercule frangible 82 peut être rendu détachable du reste de la poignée 74 par des liaisons de faibles épaisseurs ménagées entre ledit opercule et les parois de l'orifice 81 de la poignée 74. Les liaisons de faibles épaisseurs se rompent sous l'effet du choc d'un outil adapté pouvant être un petit burin introduit dans l'orifice 81 en appui sur l'opercule frangible 82, et sur lequel est exercé un effort violent, par exemple par un marteau, de façon que le choc désengage complètement l'opercule 82 de la poignée 74.According to the invention, the handle 74 comprises a means 8 configured to allow the attachment of a key lock. This means 8 may be a support shaped to allow rigid attachment of a key lock adapted. In the example shown here, the means 8 shaped for fixing a key lock has an orifice 81 passing through the handle covered with a frangible cover 82. The frangible cover 82 can be detached by means of a suitable tool introduced at the orifice 81. When the frangible cover is disengaged, the port 81 is released and allows the installation of a key lock through the handle 74. The frangible seal 82 can be made detachable from the rest of the handle 74 by connections of small thickness between said seal and the walls of the orifice 81 of the handle 74. The links of small thicknesses break under the effect of the impact of a suitable tool that can be a small chisel introduced into the orifice 81 resting on the frangible cap 82, and on which is exerted a violent force, for example by a hammer, so that the shock completely disengages the cap 82 of the handle 74.

L'opercule frangible peut être obtenu d'un seul tenant avec la poignée 74, par exemple lors du moulage de préférence sans noyau ni insert du verrou 7 comportant la poignée 74. Le verrou 7 comportant la poignée 74 peut notamment être en fonte.The frangible lid can be obtained in one piece with the handle 74, for example during the molding preferably without core or insert of the latch 7 having the handle 74. The latch 7 comprising the handle 74 may in particular be cast iron.

Une fois l'orifice 81 rendu traversant après séparation de l'opercule 82 de la poignée 74, une serrure à clé 9 peut être montée à travers l'orifice 81.Once the orifice 81 has passed through after separation of the cap 82 of the handle 74, a key lock 9 can be mounted through the orifice 81.

La figure 5, ainsi que les figures 6 à 8, illustrent un verrou 7 dont la poignée 74 est équipée d'une serrure à clé 9.The figure 5 , as well as Figures 6 to 8 , illustrate a lock 7 whose handle 74 is equipped with a key lock 9.

La serrure à clé 9 adaptée à être montée dans l'orifice 81 ici représentée comporte un axe 91 à pivotement commandé par une clé, non représentée.The key lock 9 adapted to be mounted in the orifice 81 shown here comprises a pivot axis 91 controlled by a key, not shown.

L'axe 91 porte, vers son extrémité en saillie sous la poignée 74 du verrou 7, un pêne 92. Le pêne 92 peut occuper une position de blocage de la poignée 74 du verrou 7, représentée à la figure 6. Le pêne peut occuper, après rotation de 90° environ de l'axe 91, une position de déblocage de la poignée 74 du verrou 7, représentée à la figure 7. La position de déblocage de la poignée 74 autorise sa manoeuvre, c'est-à-dire sa rotation vis-à-vis du tampon 3 et corolairement le basculement du verrou 7 autour de son axe de pivotement 76. La position de déblocage de la poignée 74 permet donc d'amener le verrou 7 dans une position basculée représentée à la figure 8, pour laquelle le tampon est déverrouillé, ce qui permet de l'ouvrir vers la position dégagée de l'ouverture 5 du cadre 2.The shaft 91 carries, towards its projecting end under the handle 74 of the latch 7, a bolt 92. The bolt 92 can occupy a locking position of the handle 74 of the latch 7, shown in FIG. figure 6 . The bolt can occupy, after rotation about 90 ° of the axis 91, a release position of the handle 74 of the latch 7, shown in FIG. figure 7 . The unlocking position of the handle 74 authorizes its operation, that is to say its rotation vis-à-vis the buffer 3 and corollary the tilting of the latch 7 about its pivot axis 76. The unlocking position of the handle 74 thus makes it possible to bring the latch 7 in a tilted position shown in FIG. figure 8 , for which the buffer is unlocked, which allows to open to the open position of the opening 5 of the frame 2.

Le pêne 92 peut avoir la forme d'une plaque rigide allongée. Le pêne 92 est conformé pour interférer mécaniquement avec une surface d'appui 35 formée sous le tampon 3 de sorte que la manoeuvre de la poignée 74 et le basculement du verrou 7 sont empêchés, lorsque ledit pêne est dans une position de blocage de la poignée qui est illustrée à la figure 6. Le pêne 92 est solidaire de l'axe 91. Le pêne s'étend orthogonalement vis-à-vis de l'axe 91. Par rotation de l'axe 91 le pêne 92 peut être amené dans la position de déblocage de la poignée 74, illustrée à la figure 7. Dans la position de déblocage de la poignée 74, le pêne 92 n'interfère plus avec la surface d'appui 35, ce qui libère la manoeuvre de la poignée 74 et du verrou 7.The bolt 92 may be in the form of an elongated rigid plate. The bolt 92 is shaped to interfere mechanically with a bearing surface 35 formed under the pad 3 so that the operation of the handle 74 and the tilting of the latch 7 are prevented, when said bolt is in a locking position of the handle which is illustrated in the figure 6 . The bolt 92 is integral with the axis 91. The bolt extends orthogonally with respect to the axis 91. By rotation of the axis 91, the bolt 92 can be brought into the unlocking position of the handle 74. , illustrated in figure 7 . In the unlocking position of the handle 74, the bolt 92 no longer interferes with the bearing surface 35, which frees the operation of the handle 74 and the latch 7.

L'axe 91 peut être constitué par un corps de forme générale cylindrique. Le pêne peut être rendu immobile en rotation vis-à-vis de l'axe 91 en ménageant un méplat sur l'axe 91, et en perçant le pêne d'un orifice de forme correspondante. Le pêne est immobilisé sur l'axe 91 à l'aide d'un écrou 93.The axis 91 may be constituted by a generally cylindrical body. The bolt can be made to rotate relative to the axis 91 by providing a flat on the axis 91, and piercing the bolt of a correspondingly shaped orifice. The bolt is immobilized on the axis 91 by means of a nut 93.

L'autre extrémité de l'axe 91 est située au-dessus de la poignée 74, c'est-à-dire au niveau de sa surface exposée à la surface supérieure 32 du tampon 3. A cette extrémité, l'axe 91 est doté d'une tête 94.The other end of the axis 91 is located above the handle 74, that is to say at its surface exposed to the upper surface 32 of the buffer 3. At this end, the axis 91 is with a head 94.

La tête 94 est en appui sur la surface de la poignée 74, par exemple dans une empreinte circulaire 83 ménagée sur la poignée 74. Des rondelles peuvent être interposées entre la tête 94 et la poignée 74, facilitant la rotation de la tête 94 et ainsi de l'axe 91, et évitant l'usure de la poignée 74.The head 94 is resting on the surface of the handle 74, for example in a circular impression 83 formed on the handle 74. Washers may be interposed between the head 94 and the handle 74, facilitating the rotation of the head 94 and thus of the axis 91, and avoiding the wear of the handle 74.

La tête 94 présente une forme adaptée à être mise en rotation par une clé de forme correspondante. Ainsi, la tête 94 peut présenter une forme extérieure qui n'est pas de révolution (cylindre tronqué par un méplat longitudinal, carré, triangle, hexagone, etc.) ou présenter une empreinte permettant de tourner la tête 94 (empreinte hexagonale, carrée, triangulaire, cruciforme, etc.).The head 94 has a shape adapted to be rotated by a key of corresponding shape. Thus, the head 94 may have an outer shape that is not of revolution (cylinder truncated by a longitudinal flat, square, triangle, hexagon, etc.) or have an imprint for rotating the head 94 (hexagonal, square, triangular, cruciform, etc.).

Bien évidemment, d'autres types de serrure à clé devant être actionnés par une clé de constitution plus complexe peuvent être employés avec succès dans l'invention.Of course, other types of key lock to be operated by a key of more complex constitution can be used successfully in the invention.

Un ressort hélicoïdal 95 est monté sur l'axe 91 et interposé entre le pêne 92 et la poignée 74. Le ressort prend appui, au niveau de la poignée, sur une rondelle 96. Le ressort hélicoïdal 95 peut avoir plusieurs fonctions. Le ressort peut maintenir la serrure à clé dans la bonne position axiale dans l'orifice 81 de la poignée 74. En particulier, la tête 94 est maintenue plaquée dans l'empreinte circulaire 83, contre la surface de la poignée 74.A helical spring 95 is mounted on the shaft 91 and interposed between the bolt 92 and the handle 74. The spring bears, at the level of the handle, on a washer 96. The coil spring 95 can have several functions. The spring can hold the key lock in the correct axial position in the orifice 81 of the handle 74. In particular, the head 94 is kept pressed into the circular imprint 83, against the surface of the handle 74.

Le ressort hélicoïdal peut également le fonctionnement d'un moyen d'indexation retenant en position stable la serrure à clé soit en position de blocage de la poignée, soit en position de déblocage de la poignée.The coil spring can also operate an indexing means holding in stable position the key lock is in the locking position of the handle, or in the unlocking position of the handle.

Comme précédemment expliqué, la position de blocage de la poignée correspond à une certaine orientation du pêne 92, et la position de déblocage de la poignée correspond à une orientation du pêne 92 sensiblement orthogonale à l'orientation en position de blocage.As previously explained, the locking position of the handle corresponds to a certain orientation of the bolt 92, and the unlocking position of the handle corresponds to an orientation of the bolt 92 substantially orthogonal to the orientation in the locked position.

Afin de garantir au pêne une stabilité dans l'une ou l'autre de ces orientations, la poignée est dotée, au niveau de sa face inférieure (opposée à la face d'appui de la tête 94) d'un bossage 77 traversé par l'orifice 81. Le bossage 77 présente une empreinte cruciforme 78, c'est-à-dire un motif en creux formé sur ledit bossage 77.In order to guarantee the bolt stability in one or the other of these orientations, the handle is provided, at its lower face (opposite to the bearing face of the head 94) of a boss 77 traversed by the orifice 81. The boss 77 has a cruciform impression 78, that is to say a hollow pattern formed on said boss 77.

Le bossage peut être avantageusement formé d'un seul tenant avec le verrou 7, ou y être fixement rapporté.The boss can be advantageously formed in one piece with the latch 7, or be fixed therein.

La rondelle 96 présente, sur sa face maintenue en contact avec le bossage sous l'effet du ressort hélicoïdal 95, une excroissance adaptée à s'engager dans l'empreinte cruciforme 78.The washer 96 has, on its face maintained in contact with the boss under the effect of the helical spring 95, a protrusion adapted to engage in the cruciform impression 78.

Fonctionnellement, l'excroissance peut se présenter sous la forme d'un simple pion, mais afin de garantir un meilleur équilibre à la rondelle 95 l'excroissance peut se présenter sous la forme de deux pions diamétralement opposés, ou de quatre pions disposés en croix. L'excroissance peut être obtenue par pliage de la rondelle 95. L'excroissance peut être formée par une croix formée sur la rondelle 95, et correspondant à l'empreinte cruciforme 78, percée en son centre par un trou permettant le passage de l'axe 91. Le trou de la rondelle 96 peut présenter un méplat correspondant à un méplat de l'axe 91 afin d'immobiliser la rondelle 96 en rotation vis-à-vis de l'axe 91.Functionally, the protrusion can be in the form of a simple pawn, but to ensure a better balance to the washer 95 the protrusion can be in the form of two diametrically opposed pins, or four pions arranged in a cross . The protrusion may be obtained by folding the washer 95. The protrusion may be formed by a cross formed on the washer 95, and corresponding to the cruciform impression 78, pierced at its center by a hole allowing the passage of the 91. The hole of the washer 96 may have a flat corresponding to a flat portion of the axis 91 in order to immobilize the washer 96 in rotation with respect to the axis 91.

Ainsi, l'excroissance de la rondelle 96 est engagée dans au moins une première branche du motif cruciforme lorsque la serrure à clé est en position de blocage de la poignée et est engagée dans une deuxième branche du motif cruciforme sensiblement orthogonale à la première branche lorsque la serrure à clé est en position de déblocage de la poignée. Dans le cas d'une excroissance en croix, ladite excroissance est engagée simultanément dans les quatre branches de l'empreinte cruciforme 78, un élément de l'excroissance (par exemple une branche de la croix) passant de la première branche de l'empreinte cruciforme à la deuxième branche de l'empreinte cruciforme entre la position de blocage de la poignée à clé et la position de déblocage de la poignée.Thus, the protrusion of the washer 96 is engaged in at least a first branch of the cruciform pattern when the key lock is in the locking position of the handle and is engaged in a second branch of the cruciform pattern substantially orthogonal to the first branch when the key lock is in the release position of the handle. In the case of a protrusion cross, said protrusion is engaged simultaneously in the four branches of the cruciform impression 78, an element of the protrusion (for example a branch of the cross) passing from the first branch of the footprint cruciform to the second leg of the cruciform recess between the locking position of the keyed handle and the unlocking position of the handle.

En d'autres termes, la partie de l'excroissance engagée dans une première branche en position de blocage de la poignée est engagée dans une deuxième branche en position de déblocage de la poignée.In other words, the portion of the protuberance engaged in a first branch in the locking position of the handle is engaged in a second branch in the unlocking position of the handle.

Ainsi, déverrouiller le verrou 7 (la serrure étant initialement en position de blocage de la poignée et à supposer que la tête 94 de l'axe 91 présente une forme extérieure permettant sa rotation), un opérateur introduit la partie formant tête 94 de l'axe 91 dans l'empreinte conjuguée de la clé de verrouillage et manoeuvre (non représentée), et tourne ladite clé dans un sens permettant de faire pivoter concomitamment l'axe 91 et le pêne 92 d'un angle de rotation limité, par exemple 90° dans l'exemple de mode de réalisation ici représenté, pour que le pêne 92 n'interfère plus mécaniquement avec un élément solidaire du tampon 3.Thus, unlocking the latch 7 (the lock being initially in the lock position of the handle and assuming that the head 94 of the shaft 91 has an outer shape allowing its rotation), an operator introduces the head portion 94 of the axis 91 in the conjugate fingerprint of the locking key and maneuver (not shown), and turns said key in a direction for pivoting simultaneously the axis 91 and the bolt 92 of a limited angle of rotation, for example 90 ° in the exemplary embodiment shown here, so that the bolt 92 no longer interferes mechanically with an integral element of the buffer 3.

De la sorte, l'opérateur peut alors saisir la deuxième barrette 75 de la poignée 74 de manoeuvre pour faire pivoter le verrou 7 de manière à lui faire prendre la position représentée à la figure 8 et désengager la première barrette 72 d'en-dessous de l'organe formant gâche 23. Dans cette position dite déverrouillée du verrou 7, l'opérateur peut faire basculer le tampon 3 de sa position de fermeture d'obturation de l'ouverture 5 du cadre 2 à sa position d'ouverture dégagée de l'ouverture 5 du cadre 2.In this way, the operator can then grasp the second bar 75 of the handle 74 to rotate the latch 7 so as to make him take the position shown in FIG. figure 8 and disengage the first bar 72 from below the keeper member 23. In this so-called unlocked position of the latch 7, the operator can tilt the pad 3 from its closed position to close the opening 5 of the frame 2 to its open position released from the opening 5 of the frame 2.

Lorsque l'on souhaite obturer à nouveau le cadre 2 par le tampon 3, le tampon 3 est basculé autour de l'articulation 4 afin de s'étendre horizontalement au-dessus de son ouverture 5, et la poignée 74 est ramenée en position horizontale à l'intérieur du logement 31, ce qui bascule le verrou 7 dans la position verrouillée des figures 7 et 8 dans laquelle la première barrette 72 coopère avec l'organe formant gâche 23 pour immobiliser le tampon.When it is desired to close the frame 2 again by the pad 3, the pad 3 is tilted around the hinge 4 so as to extend horizontally above its opening 5, and the handle 74 is brought back into position. horizontal position inside the housing 31, which switches the latch 7 in the locked position of Figures 7 and 8 wherein the first bar 72 cooperates with the keeper member 23 to immobilize the pad.

Le regard dont la poignée est prédisposée à l'installation d'une serrure à clé adaptée peut par exemple être fourni avec un kit permettant l'installation (ou non, selon les besoins) de la serrure à clé. Ainsi, un tel kit comprend ladite serrure à clé, et, de manière optionnelle, l'outillage nécessaire à son montage. Dans l'exemple détaillé ci-avant, l'outillage comporte un poinçon adapté pour retirer l'opercule obturant l'orifice traversant de la poignée.The look whose handle is predisposed to the installation of a key lock suitable for example may be provided with a kit for installing (or not, as necessary) of the key lock. Thus, such a kit comprises said key lock, and, optionally, the tools necessary for its mounting. In the example detailed above, the tooling comprises a punch adapted to remove the seal closing the through orifice of the handle.

L'invention a été décrite en référence à un regard de chaussée dont le tampon est de forme générale circulaire, mais il est bien entendu qu'elle peut s'appliquer à toute autre forme de tampon, tel qu'un tampon rectangulaire s'inscrivant dans un cadre de forme rectangulaire ou un tampon triangulaire s'inscrivant avec d'autres tampons triangulaires adjacents dans un cadre rectangulaire. L'invention peut s'appliquer à un regard de chaussée doté d'une grille de l'une quelconque des formes précitées.The invention has been described with reference to a manhole whose stamp is generally circular in shape, but it is understood that it can be applied to any other form of stamp, such as a rectangular stamp inscribing in a rectangular-shaped frame or a triangular stamp inscribing with other adjacent triangular pads in a rectangular frame. The invention can be applied to a manhole with a grid of any of the aforementioned forms.

Claims (10)

Regard de chaussée (1) comprenant un cadre (2) fixe, un tampon (3) ou une grille relié au cadre (2) par une articulation (4) permettant au tampon (3) ou à la grille de pivoter entre une position d'obturation de l'ouverture (5) du cadre (2) et une position dégagée de cette ouverture (5) et un verrou (7) associé au tampon (3) ou à la grille à l'opposé de l'articulation,
le verrou (7) comportant une poignée (74) mobile vis-à-vis dudit tampon (3) ou de ladite grille, entre une position verrouillée dans laquelle elle immobilise le tampon (3) ou la grille vis-à-vis du cadre (2) dans sa position d'obturation de l'ouverture (5), et une position déverrouillée dans laquelle elle permet le pivotement du tampon (3) ou de la grille vers sa position dégagée de l'ouverture (5),
caractérisé en ce que la poignée (74) est conformée pour la fixation d'une serrure à clé (9) permettant le blocage de la poignée (74) du verrou (7) à sa position verrouillée ou le déblocage de la poignée (74) autorisant la manoeuvre de la poignée (74) du verrou (7) pour l'amener à sa position déverrouillée.A manhole cover (1) comprising a frame (2) fixed, a buffer (3) or a grid connected to the frame (2) by a hinge (4) allowing the pad (3) or the grid to pivot between a position d closing the opening (5) of the frame (2) and a position released from this opening (5) and a latch (7) associated with the pad (3) or the gate opposite the articulation,
the latch (7) comprising a handle (74) movable with respect to said buffer (3) or said grid, between a locked position in which it immobilizes the buffer (3) or the grid vis-à-vis the frame (2) in its closed position of the opening (5), and an unlocked position in which it allows the pivoting of the pad (3) or the gate to its position released from the opening (5),
characterized in that the handle (74) is shaped for fixing a key lock (9) for locking the handle (74) of the latch (7) to its locked position or unlocking the handle (74) allowing operation of the handle (74) of the latch (7) to bring it to its unlocked position. Regard de chaussée selon la revendication 1, dans lequel le verrou (7) se présente sous la forme d'un levier coudé monté à pivotement sur le tampon (3) ou la grille et dont l'un des bras coopère avec un organe formant gâche de la paroi du cadre (2) pour effectuer le verrouillage du tampon (3) ou de la grille au cadre (2) et l'autre bras forme la poignée (74) de manoeuvre du verrou (7) et de soulèvement du tampon (3) ou de la grille en position déverrouillée dudit tampon (3) ou de la grille.A manhole according to claim 1, wherein the latch (7) is in the form of a bent lever pivotally mounted on the pad (3) or the grid and one of whose arms cooperates with a member forming a latch of the frame wall (2) for locking the buffer (3) or the grid to the frame (2) and the other arm forms the handle (74) for operating the latch (7) and lifting the buffer ( 3) or the gate in the unlocked position of said buffer (3) or grid. Regard de chaussée selon la revendication 1 ou la revendication 2, dans lequel la poignée (74) comporte un orifice traversant (81), en tant que conformation pour la fixation d'une serrure à clé (9).A manhole as claimed in claim 1 or claim 2, wherein the handle (74) has a through hole (81) as a conformation for securing a key lock (9). Regard de chaussée selon la revendication 3, dans lequel l'orifice (81) traversant la poignée (74) est obturé par un opercule frangible (82) pouvant être retiré par un outil pour libérer l'orifice (81) et y permettre le montage de la serrure à clé (9).A manhole according to claim 3, wherein the orifice (81) passing through the handle (74) is closed by a frangible cap (82) which can be removed by a tool to release the hole (81) and allow the mounting of the key lock (9). Regard de chaussée selon l'une quelconque des revendications précédentes caractérisé en ce que le verrou (7) est en fonte.A manhole according to any preceding claim characterized in that the lock (7) is cast iron. Ensemble comportant un regard de chaussée selon l'une des revendications précédentes et une serrure à clé (9) comportant un axe (91) à pivotement commandé par une clé et portant sous la poignée (74) un pêne pouvant occuper sous l'action de la clé une position de blocage de la poignée (74) du verrou (7) à sa position verrouillée ou une position de déblocage de la poignée (74) autorisant la manoeuvre de la poignée (74) du verrou (7) pour l'amener à sa position déverrouillée.Assembly comprising a manhole according to one of the preceding claims and a key lock (9) having a pivot (91) pivoted by a key and carrying under the handle (74) a bolt that can occupy under the action of the key a locking position of the handle (74) of the lock (7) to its locked position or a release position of the handle (74) allowing the operation of the handle (74) of the lock (7) to bring it in its unlocked position. Ensemble selon la revendication 6 dans lequel lorsque la poignée (74) est en position verrouillée, le pêne en position de blocage interfère mécaniquement avec une surface d'appui formée sous le tampon (3) ou la grille de sorte à immobiliser la poignée (74) vis-à-vis du tampon (3) ou de la grille.An assembly according to claim 6 wherein when the handle (74) is in the locked position, the locking bolt interferes mechanically with a bearing surface formed under the pad (3) or grid so as to immobilize the handle (74). ) vis-à-vis the buffer (3) or the grid. Ensemble selon la revendication 7, dans lequel la surface d'appui est formée par un logement (31) de réception du verrou (7) formé intégralement avec le tampon (3) ou la grille dans ledit tampon (3) ou dans ladite grille et sous une face inférieure (34) dudit tampon (3) ou de ladite grille.An assembly according to claim 7, wherein the bearing surface is formed by a housing (31) for receiving the latch (7) formed integrally with the pad (3) or the grid in said pad (3) or in said grid and under a lower face (34) of said buffer (3) or said grid. Ensemble selon l'une des revendications 6 à 8, comportant un moyen d'indexation retenant en position stable la serrure à clé (9) soit en position de blocage de la poignée (74), soit en position de déblocage de la poignée (74).Assembly according to one of claims 6 to 8, comprising an indexing means holding in a stable position the key lock (9) is in the locking position of the handle (74), or in the unlocking position of the handle (74). ). Ensemble selon la revendication 9, dans lequel le moyen d'indexation comporte - un bossage présentant une empreinte cruciforme (78), lié fixement au verrou (7) ou formé intégralement avec le verrou (7), et - une rondelle (96) présentant une excroissance adaptée à s'engager dans une branche de l'empreinte cruciforme (78) et liée fixement à la serrure à clé (9), de sorte que ladite excroissance est engagée dans au moins une première branche de l'empreinte cruciforme (78) lorsque la serrure à clé (9) est en position de blocage de la poignée (74) et que la partie de l'excroissance engagée dans ladite première branche en position de la poignée (74) est engagée dans une deuxième branche de l'empreinte cruciforme (78) orthogonale à la première branche lorsque la serrure à clé est en position de déblocage de la poignée (74).An assembly according to claim 9, wherein the indexing means comprises a boss having a cruciform impression (78), fixedly attached to the lock (7) or formed integrally with the lock (7), and - a washer (96) having a protrusion adapted to engage in a branch of the cruciform impression (78) and fixedly connected to the key lock (9), so that said protrusion is engaged in at least a first branch of the cruciform recess (78) when the key lock (9) is in the locking position of the handle (74) and the part of the protrusion engaged in said first branch in position of the handle (74) is engaged in a second branch of the cruciform recess (78) orthogonal to the first branch when the key lock is in the unlocking position of the handle (74).
EP18162479.2A 2017-03-20 2018-03-19 Manhole comprising a latch Active EP3378995B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL18162479T PL3378995T3 (en) 2017-03-20 2018-03-19 Manhole comprising a latch
SI201830532T SI3378995T1 (en) 2017-03-20 2018-03-19 Manhole comprising a latch
RS20220062A RS62843B1 (en) 2017-03-20 2018-03-19 Manhole comprising a latch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1752257A FR3064011B1 (en) 2017-03-20 2017-03-20 PAVEMENT LOOK COMPRISING A LATCH

Publications (2)

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EP3378995A1 true EP3378995A1 (en) 2018-09-26
EP3378995B1 EP3378995B1 (en) 2021-11-03

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EP18162479.2A Active EP3378995B1 (en) 2017-03-20 2018-03-19 Manhole comprising a latch

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EP (1) EP3378995B1 (en)
ES (1) ES2904655T3 (en)
FR (1) FR3064011B1 (en)
MA (1) MA53208A (en)
PL (1) PL3378995T3 (en)
PT (1) PT3378995T (en)
RS (1) RS62843B1 (en)
SI (1) SI3378995T1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220157824A (en) * 2021-05-21 2022-11-29 이동규 The steel type manhole cover

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0856611A1 (en) 1997-01-30 1998-08-05 Norinco Locking device for a hinged manhole cover
EP1422363A2 (en) * 2002-11-22 2004-05-26 GSG International S.p.A. A key lock handle for doors and windows
FR3022923A1 (en) 2014-06-30 2016-01-01 Ej Emea LOOK AT A SECURE LOCKED BUMPER LOCK ON A FRAME

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0856611A1 (en) 1997-01-30 1998-08-05 Norinco Locking device for a hinged manhole cover
EP1422363A2 (en) * 2002-11-22 2004-05-26 GSG International S.p.A. A key lock handle for doors and windows
FR3022923A1 (en) 2014-06-30 2016-01-01 Ej Emea LOOK AT A SECURE LOCKED BUMPER LOCK ON A FRAME

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220157824A (en) * 2021-05-21 2022-11-29 이동규 The steel type manhole cover

Also Published As

Publication number Publication date
MA53208A (en) 2021-06-23
FR3064011B1 (en) 2019-07-05
EP3378995B1 (en) 2021-11-03
ES2904655T3 (en) 2022-04-05
SI3378995T1 (en) 2022-04-29
FR3064011A1 (en) 2018-09-21
PL3378995T3 (en) 2022-05-02
RS62843B1 (en) 2022-02-28
PT3378995T (en) 2022-01-28

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