EP3674492B1 - Submersible waste macerator - Google Patents

Submersible waste macerator Download PDF

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Publication number
EP3674492B1
EP3674492B1 EP19219871.1A EP19219871A EP3674492B1 EP 3674492 B1 EP3674492 B1 EP 3674492B1 EP 19219871 A EP19219871 A EP 19219871A EP 3674492 B1 EP3674492 B1 EP 3674492B1
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EP
European Patent Office
Prior art keywords
sealing sheath
electric cable
tank
orifice
passage
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.)
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EP19219871.1A
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German (de)
French (fr)
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EP3674492A1 (en
Inventor
Victor Jean Ballestra
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.)
Societe Francaise dAssainissement SFA SAS
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Societe Francaise dAssainissement SFA SAS
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Publication of EP3674492A1 publication Critical patent/EP3674492A1/en
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/10—Waste-disintegrating apparatus combined with the bowl

Definitions

  • the invention relates to a sanitary grinder comprising a tank and a device for controlling said sanitary grinder placed in said tank, said control device being electrically connected to the outside of the tank by a protected electric cable.
  • a sanitary grinder is disclosed, for example, in the FR 2 823 234 A .
  • the figure 1 illustrates a sanitary grinder 1 of the prior art which is conventionally connected to the bowl of a toilet installation not shown.
  • the sanitary grinder 1 comprises a tank 2 accommodating a pipe 4 for connection to the bowl, the latter receiving the waste water and the solid matter coming from the toilets.
  • the connecting pipe 4 is connected to a perforated basket 6 into which the wastewater and solid matter coming from the toilets are discharged.
  • the tank 2 also comprises an assembly 10 comprising at least one macerating member, a system for removing waste water and macerated waste, and a motor (not shown).
  • a control device 20, also placed in the tank 2, makes it possible to control the operation of the sanitary grinder and therefore of the assembly 10 (in particular the motor) as a function of the level of waste water in the tank 2.
  • a conventionally used control device comprises a housing 30 in which an upper chamber 21 and a lower chamber 22 are arranged.
  • the upper chamber 21 is separated from the lower chamber 22 by a partition wall 23 and is airtight.
  • the upper chamber 21 comprises an electrical control system 24 of the sanitary grinder which may include a microswitch 25 (partially visible) as well as a capacitor 26.
  • the engagement of the microswitch 25 which causes the starting of the motor of the assembly 10. is done by means of a deformable actuating element 29 placed on the partition wall 23 ..
  • the lower chamber 22 comprises at an end opposite to the partition wall 23, a main opening closed by a membrane (not visible).
  • the membrane is able to deform elastically in the direction of the lower chamber 22 under the effect of a pressure external to the device, such as for example when the water rises in the tank 2.
  • a vertical rod (not visible) is placed on the membrane and passes through the partition wall 23 via an orifice (not visible) covered by the actuating element 29.
  • the vertical rod moves vertically in the direction of the upper chamber and deforms the actuating element 29.
  • the actuating element 29 then comes into contact with the microswitch 25 which causes the starting the engine of the assembly 10.
  • the housing 30 comprises a chimney 33 placed in a sealed manner around an orifice of an upper surface 31 of the housing 30 and in which is inserted a sealing washer 35.
  • the sealing washer 35 comprises a first orifice 37a and a second port 37b.
  • An air passage 27 making it possible to put the inside of the lower chamber 22 and the outside of the device in communication is arranged in the partition wall 23.
  • the air passage 27 emerges from the partition wall. 23, passes through the upper chamber 21 and opens into the second orifice 37b.
  • the electrical control system 24 can be connected to a power outlet by the electrical cable 42 which sealingly passes through the sealing washer 35 through the first orifice 37a.
  • a flexible duct 28 is fixed, by a first end 34 and in a sealed manner, to the chimney 33.
  • the flexible duct 28 comprises an outlet orifice 39 surrounded by a first and a second molded discs 38a and 38b. and seals at a groove 38c.
  • the second end 36 allows the flexible duct 28 to be attached to the tank 2 at the level of an orifice (not visible) made in a wall 40 of the tank 2.
  • the periphery of the orifice is inserted into the groove 38c.
  • the first disc 38a is then placed against an inner face 40a of the wall 40 and the second disc 38b is placed against an outer face 40b of the wall 40.
  • the air passage 27 and the flexible duct 28 into which it opens thus make it possible to put the inside of the lower chamber 22 in communication with the outside of the tank 2.
  • the membrane moves under the effect of 'a pressure external to the lower chamber 22, the volume of air displaced in the lower chamber 22 by the deformation of the membrane is discharged to the outside of the tank 2 through the air passage 27 and the outlet orifice 39 of flexible duct 28.
  • the flexible conduit 28 also allows the passage of the electrical cable 42 in order to be able to connect the electrical control system 24 to an electrical outlet outside the tank 2.
  • the flexible conduit 28 and the outlet orifice 39 have an inside diameter large enough to allow both the passage of air and the passage of the electric cable 42.
  • the present invention overcomes this drawback by providing a sanitary grinder which remains functional even in the presence of water and / or humidity around the tank.
  • the sanitary grinder of the invention can remain functional even if it is submerged, thanks to the sealing sheath placed around the electric cable and fixed in a sealed manner to the second end of the flexible conduit. Furthermore, the protective element makes it possible to prevent any moisture from flowing along the electric cable towards the interior of the sealing sheath.
  • a sealing sheath 52 is placed around a part of the outer portion 50 of the cable 42 and comprises a first end 51 and a second end 53.
  • the sealing sheath 52 is made of a flexible material that is both airtight and airtight. water, preferably a polymer material.
  • a flexible conduit 48 differs from the flexible conduit 28 of the prior art in that it has a second end 49 comprising a tip 57.
  • the first end 51 of the sealing sheath is inserted into the end piece 57 and fixed in a sealed manner.
  • a rigid fixing element 56 is inserted into the sealing sheath at the level of the first end 51.
  • the fixing element 56 is cylindrical in shape and comprises a central part 56b and a protuberance 56a at each of its ends.
  • the first end 51 of the sealing sheath 52 is inserted into the end piece 57 so that the whole of the fixing element 56 is placed inside the end piece 57.
  • a fixing ring 59 is then placed around the end piece 57 and is clamped around the central part 56b.
  • the two protuberances 56a prevent, once the fixing ring has been tightened, that the sealing sheath 52 comes out of the end piece 57.
  • the sealing sheath 52 is thus fixed in a sealed manner to the second end 49 of the flexible duct 48. .
  • a protection element 54 is placed at the level of the second end 53 of the sealing sheath 52.
  • the protection element 54 is formed by a cylindrical side wall closed at a first end 58 by a wall.
  • solid circular 62 provided with a central opening 64 allowing the passage of the electric cable 42.
  • the periphery of the central opening 64 is placed in contact with the electric cable 42.
  • this water or moisture cannot pass inside the sealing sheath 52.
  • the lower chamber 22 therefore does not risk being damaged and / or rendered inoperative by water or water. 'humidity.
  • the protective element 54 is not closed and is provided, on its inner periphery, with a plurality of channels 62 which are placed in contact with the sealing sheath 52 and which allow passage. air between the inside and the outside of the sealing duct 52.
  • the protective element 54 On the inner face of the circular wall 62 (not visible) the protective element 54 is provided with ribs which prevent the sealing sheath 52 from being placed against the circular wall 62 and which thus allow the passage of air. between the inside and the outside of the sealing sheath 52.
  • the sealing sheath 52 allows air to pass even in the event of bending of the electric cable 42. Indeed, in the case where the electric cable 42, and therefore the sealing sheath 52, are bent or crushed, the sheath is placed against the electric cable 42 thus creating one or more spaces around the electric cable.
  • the sanitary grinder of the invention comprising the electric cable 42 having its protected outer portion can thus be submerged without damaging the control device.
  • the inclination of the electric cable causes the first end 58 of the element of protection 54 is oriented upward and that the second end 60 of the protection element 54 is oriented downward.
  • water or moisture which would flow along the electric cable between the electric plug 55 and the protection element 54 could not penetrate to inside the sealing sheath 52. Water or humidity therefore does not risk damaging the lower chamber 22.
  • water or humidity therefore does not risk damaging the lower chamber 22.
  • of water cannot enter the sealing sheath through channels 62.
  • the sanitary grinder of the invention is immersible up to a height of water making it possible to leave the protective element 54 out of the water.
  • the protection element may have a shape other than cylindrical and the number and shape of the channels may vary.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Disintegrating Or Milling (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Description

L'invention concerne un broyeur sanitaire comprenant une cuve et un dispositif de commande dudit broyeur sanitaire placé dans ladite cuve, ledit dispositif de commande étant branché électriquement à l'extérieur de la cuve par un câble électrique protégé. Un tel broyeur sanitaire est divulgué par example dans le FR 2 823 234 A .The invention relates to a sanitary grinder comprising a tank and a device for controlling said sanitary grinder placed in said tank, said control device being electrically connected to the outside of the tank by a protected electric cable. Such a sanitary grinder is disclosed, for example, in the FR 2 823 234 A .

La figure 1 illustre un broyeur sanitaire 1 de l'art antérieur qui est classiquement raccordé à la cuvette d'une installation de toilettes non représentée. Le broyeur sanitaire 1 comprend une cuve 2 accueillant une conduite 4 de raccordement à la cuvette, cette dernière recevant les eaux usées et les matières solides provenant des toilettes. La conduite 4 de raccordement est reliée à un panier perforé 6 dans lequel sont déversées les eaux usées et les matières solides provenant des toilettes.The figure 1 illustrates a sanitary grinder 1 of the prior art which is conventionally connected to the bowl of a toilet installation not shown. The sanitary grinder 1 comprises a tank 2 accommodating a pipe 4 for connection to the bowl, the latter receiving the waste water and the solid matter coming from the toilets. The connecting pipe 4 is connected to a perforated basket 6 into which the wastewater and solid matter coming from the toilets are discharged.

La cuve 2 comprend également un ensemble 10 comportant au moins un organe de dilacération, un système d'évacuation des eaux usées et des déchets dilacérés, et un moteur (non représentés).The tank 2 also comprises an assembly 10 comprising at least one macerating member, a system for removing waste water and macerated waste, and a motor (not shown).

Un dispositif de commande 20, également placé dans la cuve 2, permet de commander le fonctionnement du broyeur sanitaire et donc de l'ensemble 10 (notamment le moteur) en fonction du niveau des eaux usées dans la cuve 2.A control device 20, also placed in the tank 2, makes it possible to control the operation of the sanitary grinder and therefore of the assembly 10 (in particular the motor) as a function of the level of waste water in the tank 2.

En se référant aux figures 2a et 2b, un dispositif de commande conventionnellement utilisé comprend un boitier 30 dans lequel sont disposées une chambre supérieure 21 et une chambre inférieure 22.With reference to figures 2a and 2b , a conventionally used control device comprises a housing 30 in which an upper chamber 21 and a lower chamber 22 are arranged.

La chambre supérieure 21 est séparée de la chambre inférieure 22 par une paroi de séparation 23 et est étanche à l'air. La chambre supérieure 21 comprend un système électrique de commande 24 du broyeur sanitaire qui peut comprendre un minirupteur 25 (partiellement visible) ainsi qu'un condensateur 26. L'enclenchement du minirupteur 25 qui provoque la mise en route du moteur de l'ensemble 10 se fait grâce à un élément d'actionnement 29 déformable placé sur la paroi de séparation 23..The upper chamber 21 is separated from the lower chamber 22 by a partition wall 23 and is airtight. The upper chamber 21 comprises an electrical control system 24 of the sanitary grinder which may include a microswitch 25 (partially visible) as well as a capacitor 26. The engagement of the microswitch 25 which causes the starting of the motor of the assembly 10. is done by means of a deformable actuating element 29 placed on the partition wall 23 ..

La chambre inférieure 22 comprend à une extrémité opposée à la paroi de séparation 23, une ouverture principale fermée par une membrane (non visible). La membrane est apte à se déformer élastiquement en direction de la chambre inférieure 22 sous l'effet d'une pression extérieure au dispositif, comme par exemple lorsque l'eau monte dans la cuve 2.The lower chamber 22 comprises at an end opposite to the partition wall 23, a main opening closed by a membrane (not visible). The membrane is able to deform elastically in the direction of the lower chamber 22 under the effect of a pressure external to the device, such as for example when the water rises in the tank 2.

Une tige verticale (non visible) est placée sur la membrane et traverse la paroi de séparation 23 par un orifice (non visible) recouvert par l'élément d'actionnement 29. Ainsi, lorsque la membrane se déforme sous l'effet de la monté de l'eau dans la cuve 2, la tige verticale se déplace verticalement en direction de la chambre supérieure et déforme l'élément d'actionnement 29. L'élément d'actionnement 29 entre alors en contact avec le minirupteur 25 ce qui entraine la mise en route du moteur de l'ensemble 10.A vertical rod (not visible) is placed on the membrane and passes through the partition wall 23 via an orifice (not visible) covered by the actuating element 29. Thus, when the membrane is deformed under the effect of the mounted water in the tank 2, the vertical rod moves vertically in the direction of the upper chamber and deforms the actuating element 29. The actuating element 29 then comes into contact with the microswitch 25 which causes the starting the engine of the assembly 10.

Le boîtier 30 comprend une cheminée 33 placée de manière étanche autour d'un orifice d'une surface supérieure 31 du boîtier 30 et dans laquelle est insérée une rondelle d'étanchéité 35. La rondelle d'étanchéité 35 comprend un premier orifice 37a et un deuxième orifice 37b.The housing 30 comprises a chimney 33 placed in a sealed manner around an orifice of an upper surface 31 of the housing 30 and in which is inserted a sealing washer 35. The sealing washer 35 comprises a first orifice 37a and a second port 37b.

Un passage d'air 27 permettant de mettre en communication l'intérieur de la chambre inférieure 22 et l'extérieur du dispositif est aménagé dans la paroi de séparation 23. Ainsi, le passage d'air 27 émerge à partir de la paroi de séparation 23, traverse la chambre supérieure 21 et débouche dans le deuxième orifice 37b.An air passage 27 making it possible to put the inside of the lower chamber 22 and the outside of the device in communication is arranged in the partition wall 23. Thus, the air passage 27 emerges from the partition wall. 23, passes through the upper chamber 21 and opens into the second orifice 37b.

Le système électrique de commande 24 peut être branché à une prise de courant par le câble électrique 42 qui traverse de façon étanche la rondelle d'étanchéité 35 par le premier orifice 37a.The electrical control system 24 can be connected to a power outlet by the electrical cable 42 which sealingly passes through the sealing washer 35 through the first orifice 37a.

Un conduit souple 28 est fixé, par une première extrémité 34 et de manière étanche, à la cheminée 33. A une deuxième extrémité 36, le conduit souple 28 comprend un orifice de sortie 39 entouré par un premier et un deuxième disques 38a et 38b moulées et joints au niveau d'une rainure 38c. La deuxième extrémité 36 permet la fixation du conduit souple 28 à la cuve 2 au niveau d'un orifice (non visible) aménagé dans une paroi 40 de la cuve 2. Lors de la mise en place du conduit souple 28 dans l'orifice de la paroi 40, le pourtour de l'orifice est inséré dans la rainure 38c. Le premier disque 38a se place alors contre une face intérieure 40a de la paroi 40 et le deuxième disque 38b se place contre une face extérieure 40b de la paroi 40.A flexible duct 28 is fixed, by a first end 34 and in a sealed manner, to the chimney 33. At a second end 36, the flexible duct 28 comprises an outlet orifice 39 surrounded by a first and a second molded discs 38a and 38b. and seals at a groove 38c. The second end 36 allows the flexible duct 28 to be attached to the tank 2 at the level of an orifice (not visible) made in a wall 40 of the tank 2. When placing the flexible duct 28 in the orifice of the wall 40, the periphery of the orifice is inserted into the groove 38c. The first disc 38a is then placed against an inner face 40a of the wall 40 and the second disc 38b is placed against an outer face 40b of the wall 40.

Le passage d'air 27 et le conduit souple 28 dans lequel il débouche permettent ainsi de mettre en communication l'intérieur de la chambre inférieure 22 avec l'extérieur de la cuve 2. Ainsi, lorsque la membrane se déplace sous l'effet d'une pression extérieure à la chambre inférieure 22, le volume d'air déplacé dans la chambre inférieure 22 par la déformation de la membrane est évacué vers l'extérieur de la cuve 2 par le passage d'air 27 et l'orifice de sortie 39 du conduit souple 28.The air passage 27 and the flexible duct 28 into which it opens thus make it possible to put the inside of the lower chamber 22 in communication with the outside of the tank 2. Thus, when the membrane moves under the effect of 'a pressure external to the lower chamber 22, the volume of air displaced in the lower chamber 22 by the deformation of the membrane is discharged to the outside of the tank 2 through the air passage 27 and the outlet orifice 39 of flexible duct 28.

Le conduit souple 28 permet également le passage du câble électrique 42 afin de pouvoir brancher le système électrique de commande 24 à une prise électrique extérieure à la cuve 2. Le conduit souple 28 et l'orifice de sortie 39 ont un diamètre intérieur suffisamment large pour permettre à la fois le passage de l'air et le passage du câble électrique 42.The flexible conduit 28 also allows the passage of the electrical cable 42 in order to be able to connect the electrical control system 24 to an electrical outlet outside the tank 2. The flexible conduit 28 and the outlet orifice 39 have an inside diameter large enough to allow both the passage of air and the passage of the electric cable 42.

L'inconvénient d'un tel système est que, dans le cas où la cuve se retrouve immergée à cause, par exemple, d'une inondation, ou lorsque de l'humidité coule le long du câble électrique 42, cette eau et/ou cette humidité peuvent s'écouler jusque dans la chambre inférieure 22. Cet écoulement d'eau et/ou d'humidité peut donc rendre la chambre inférieure non fonctionnelle.The drawback of such a system is that, in the event that the tank is found submerged due to, for example, a flood, or when moisture flows along the electric cable 42, this water and / or this moisture can flow into the lower chamber 22. This flow of water and / or humidity can therefore render the lower chamber non-functional.

La présente invention permet de pallier cet inconvénient en proposant une broyeur sanitaire qui reste fonctionnel même en présence d'eau et/ou d'humidité autour de la cuve.The present invention overcomes this drawback by providing a sanitary grinder which remains functional even in the presence of water and / or humidity around the tank.

La présente invention a pour objet un broyeur sanitaire comprenant une cuve et un dispositif de commande dudit broyeur sanitaire placé dans ladite cuve, ledit dispositif de commande comprenant :

  • un boitier dans lequel sont disposées une chambre supérieure étanche à l'air et une chambre inférieure séparées par une paroi de séparation, la chambre supérieure comprenant un système électrique de commande du broyeur sanitaire relié à un câble électrique,
  • une cheminée placée de manière étanche autour d'un orifice d'une surface supérieure du boîtier et une rondelle d'étanchéité insérée dans ladite cheminée, ladite rondelle d'étanchéité comprenant un premier orifice destiné au passage du câble électrique,
  • un conduit souple comprenant une première extrémité fixée de manière étanche autour de la cheminée et une deuxième extrémité fixée de manière étanche autour d'un orifice aménagé dans une paroi de la cuve, ledit conduit souple étant destiné au passage du câble électrique, ledit câble électrique possédant une portion extérieure émergeant à partir de la deuxième extrémité et destinée à être branché à une prise électrique,
ledit broyeur sanitaire étant caractérisé en ce qu'une gaine d'étanchéité est placée autour de la portion extérieure du câble électrique, ladite gaine d'étanchéité comprenant un premier bout fixé de manière étanche à la deuxième extrémité du conduit souple et un deuxième bout comprenant un élément de protection, ledit élément de protection étant configuré pour empêcher de l'eau provenant de l'extérieur de la cuve d'entrer dans la gaine d'étanchéité.The present invention relates to a sanitary grinder comprising a tank and a control device for said sanitary grinder placed in said tank, said control device comprising:
  • a box in which are arranged an upper airtight chamber and a lower chamber separated by a partition wall, the upper chamber comprising an electrical system for controlling the sanitary grinder connected to an electric cable,
  • a chimney placed in a sealed manner around an orifice of a surface upper casing and a sealing washer inserted in said chimney, said sealing washer comprising a first orifice intended for the passage of the electric cable,
  • a flexible duct comprising a first end fixed in a sealed manner around the chimney and a second end fixed in a sealed manner around an orifice made in a wall of the tank, said flexible duct being intended for the passage of the electric cable, said electric cable having an outer portion emerging from the second end and intended to be connected to an electrical outlet,
said sanitary grinder being characterized in that a sealing sheath is placed around the outer portion of the electric cable, said sealing sheath comprising a first end sealed in a sealed manner to the second end of the flexible conduit and a second end comprising a protection element, said protection element being configured to prevent water from outside the tank from entering the sealing sleeve.

Le broyeur sanitaire de l'invention peut rester fonctionnel même s'il est immergé et ce, grâce à la gaine d'étanchéité placée autour du câble électrique et fixée de manière étanche à la deuxième extrémité du conduit souple. Par ailleurs, l'élément de protection permet d'empêcher toute humidité de couler le long du câble électrique vers l'intérieur de la gaine d'étanchéité.The sanitary grinder of the invention can remain functional even if it is submerged, thanks to the sealing sheath placed around the electric cable and fixed in a sealed manner to the second end of the flexible conduit. Furthermore, the protective element makes it possible to prevent any moisture from flowing along the electric cable towards the interior of the sealing sheath.

Selon d'autres caractéristiques possibles prises seules ou en combinaison :

  • Le broyeur sanitaire peut être caractérisé en ce que :
    • la rondelle d'étanchéité comprend un deuxième orifice,
    • un passage d'air est aménagé dans la paroi de séparation et débouche dans deuxième orifice, ledit passage d'air, le conduit souple et la gaine d'étanchéité permettant de mettre en communication l'intérieur de la chambre inférieure et l'extérieur de la cuve, et en ce que
    • l'élément de protection permet le passage de l'air entre la chambre inférieure et l'extérieur de la gaine d'étanchéité ;
ainsi, même lorsque le broyeur sanitaire est immergé, l'échange d'air entre la chambre inférieure et l'extérieur de la cuve reste possible.
  • l'élément de protection peut comprendre une première extrémité placée au contact du câble électrique ; l'élément de protection peut ainsi empêcher de l'humidité ou de l'eau coulant le long du câble électrique de passer à l'intérieur de la gaine d'étanchéité ;
  • l'élément de protection peut être de forme cylindrique et peut comprendre une deuxième extrémité comprenant sur son pourtour intérieur une pluralité de canaux placés au contact de la gaine d'étanchéité et permettant le passage de l'air entre l'intérieur et l'extérieur de la gaine d'étanchéité ; et
  • un élément de fixation peut être placé à l'intérieur du premier bout de la gaine d'étanchéité, ledit élément de fixation étant destiné à fixer de manière étanche la gaine d'étanchéité à la deuxième extrémité du conduit souple.
According to other possible characteristics taken alone or in combination:
  • The sanitary grinder can be characterized in that:
    • the sealing washer has a second orifice,
    • an air passage is arranged in the partition wall and opens into a second orifice, said air passage, the flexible duct and the sealing sheath making it possible to put the inside of the lower chamber and the outside of the chamber into communication. the tank, and in that
    • the protective element allows the passage of air between the lower chamber and the exterior of the sealing sheath;
thus, even when the sanitary grinder is submerged, the air exchange between the lower chamber and the outside of the tank remains possible.
  • the protection element may include a first end placed in contact with the electric cable; the protective element can thus prevent moisture or water flowing along the electric cable from passing inside the sealing sheath;
  • the protective element may be cylindrical in shape and may include a second end comprising on its inner periphery a plurality of channels placed in contact with the sealing sheath and allowing the passage of air between the inside and the outside the sealing sheath; and
  • a fixing element can be placed inside the first end of the sealing sheath, said fixing element being intended to fix the sealing sheath in a sealed manner to the second end of the flexible duct.

D'autres caractéristiques et avantages apparaîtront au cours de la description qui va suivre, donnée uniquement à titre d'exemple non limitatif et faite en référence aux dessins annexés, sur lesquels :

  • la figure 1 est une vue schématique de dessus de dessus d'un broyeur sanitaire ouvert de l'art antérieur ;
  • la figure 2a est une première vue schématique de côté en coupe partielle d'un dispositif de commande de l'art antérieur ;
  • la figure 2b est une deuxième vue schématique de côté en coupe partielle d'un dispositif de commande de l'art antérieur ;
  • la figure 3a est une vue schématique d'un câble électrique selon un mode de réalisation de l'invention ;
  • la figure 3b est une première vue schématique de l'élément de protection de l'invention ;
  • la figure 3c est une deuxième vue schématique de l'élément de protection de l'invention ; et
  • la figure 3d est une vue schématique de la gaine d'étanchéité fixée au conduit souple.
Other characteristics and advantages will become apparent from the description which follows, given solely by way of non-limiting example and made with reference to the appended drawings, in which:
  • the figure 1 is a schematic top view of an open sanitary grinder of the prior art;
  • the figure 2a is a first schematic side view in partial section of a control device of the prior art;
  • the figure 2b is a second schematic side view in partial section of a control device of the prior art;
  • the figure 3a is a schematic view of an electric cable according to one embodiment of the invention;
  • the figure 3b is a first schematic view of the protective element of the invention;
  • the figure 3c is a second schematic view of the protective element of the invention; and
  • the 3d figure is a schematic view of the sealing sheath attached to the flexible duct.

Pour des raisons de clarté, seuls les éléments essentiels pour la compréhension des modes de réalisation exposés ci-après ont été représentés de manière schématique, et ceci sans respect de l'échelle.For reasons of clarity, only the elements essential for understanding the embodiments described below have been shown schematically, and this without respecting the scale.

Selon un mode de réalisation de l'invention, décrit en référence aux figures 3a-d, le câble électrique 42 permettant de brancher le système électrique de commande 24 à une prise de courant au moyen d'une fiche électrique 55 comprend une portion extérieure 50 qui est placée à l'extérieur de la cuve 2. Une gaine d'étanchéité 52 est placée autour d'une partie de la portion extérieure 50 du câble 42 et comprend un premier bout 51 et un deuxième bout 53. La gaine d'étanchéité 52 est réalisée dans un matériau souple et étanche à la fois à l'air et à l'eau, de préférence en matériau polymère.According to one embodiment of the invention, described with reference to figures 3a-d , the electric cable 42 making it possible to connect the electric control system 24 to an outlet by means of an electric plug 55 comprises an outer portion 50 which is placed outside the tank 2. A sealing sheath 52 is placed around a part of the outer portion 50 of the cable 42 and comprises a first end 51 and a second end 53. The sealing sheath 52 is made of a flexible material that is both airtight and airtight. water, preferably a polymer material.

Selon ce mode de réalisation, un conduit souple 48 diffère du conduit souple 28 de l'art antérieur en ce qu'il possède une deuxième extrémité 49 comprenant un embout 57.According to this embodiment, a flexible conduit 48 differs from the flexible conduit 28 of the prior art in that it has a second end 49 comprising a tip 57.

Ainsi, le premier bout 51 de la gaine d'étanchéité est inséré dans l'embout 57 et fixé de manière étanche. Pour cela, un élément de fixation 56 rigide est inséré dans la gaine d'étanchéité au niveau du premier bout 51. L'élément de fixation 56 est de forme cylindrique et comprend une partie centrale 56b et une protubérance 56a à chacune de ses extrémités.Thus, the first end 51 of the sealing sheath is inserted into the end piece 57 and fixed in a sealed manner. For this, a rigid fixing element 56 is inserted into the sealing sheath at the level of the first end 51. The fixing element 56 is cylindrical in shape and comprises a central part 56b and a protuberance 56a at each of its ends.

Le premier bout 51 de la gaine d'étanchéité 52 est inséré dans l'embout 57 de façon à ce que la totalité de l'élément de fixation 56 soit placé à l'intérieur de l'embout 57. Une bague de fixation 59 est alors placée autour de l'embout 57 et est serrée autour de la partie centrale 56b. Les deux protubérances 56a empêchent, une fois la bague de fixation serrée, que la gaine d'étanchéité 52 ne sorte de l'embout 57. La gaine d'étanchéité 52 est ainsi fixée de manière étanche à la deuxième extrémité 49 du conduit souple 48.The first end 51 of the sealing sheath 52 is inserted into the end piece 57 so that the whole of the fixing element 56 is placed inside the end piece 57. A fixing ring 59 is then placed around the end piece 57 and is clamped around the central part 56b. The two protuberances 56a prevent, once the fixing ring has been tightened, that the sealing sheath 52 comes out of the end piece 57. The sealing sheath 52 is thus fixed in a sealed manner to the second end 49 of the flexible duct 48. .

Un élément de protection 54 est placé au niveau du deuxième bout 53 de la gaine d'étanchéité 52. L'élément de protection 54 est formé par une paroi latérale cylindrique obturée à une première extrémité 58 par une paroi circulaire pleine 62 dotée d'une ouverture centrale 64 permettant le passage du câble électrique 42.A protection element 54 is placed at the level of the second end 53 of the sealing sheath 52. The protection element 54 is formed by a cylindrical side wall closed at a first end 58 by a wall. solid circular 62 provided with a central opening 64 allowing the passage of the electric cable 42.

Avantageusement, le pourtour de l'ouverture centrale 64 est placé au contact du câble électrique 42. Ainsi, dans le cas ou de l'eau ou de l'humidité coule le long du câble électrique, en particulier entre la fiche électrique 55 et l'élément de protection 54, cette eau ou humidité ne peut pas passer à l'intérieur de la gaine d'étanchéité 52. La chambre inférieure 22 ne risque donc pas d'être endommagée et/ou rendue non fonctionnelle par l'eau ou l'humidité.Advantageously, the periphery of the central opening 64 is placed in contact with the electric cable 42. Thus, in the case where water or moisture flows along the electric cable, in particular between the electric plug 55 and the 'protection element 54, this water or moisture cannot pass inside the sealing sheath 52. The lower chamber 22 therefore does not risk being damaged and / or rendered inoperative by water or water. 'humidity.

A une deuxième extrémité 60, l'élément de protection 54 n'est pas obturé et est muni, sur son pourtour intérieur, d'une pluralité de canaux 62 qui sont placés au contact de la gaine d'étanchéité 52 et qui permettent le passage de l'air entre l'intérieur et l'extérieur de la gaine d'étanchéité 52.At a second end 60, the protective element 54 is not closed and is provided, on its inner periphery, with a plurality of channels 62 which are placed in contact with the sealing sheath 52 and which allow passage. air between the inside and the outside of the sealing duct 52.

Sur la face intérieure de la paroi circulaire 62 (non visible) l'élément de protection 54 est muni de nervures qui empêchent la gaine d'étanchéité 52 d'être placée contre la paroi circulaire 62 et qui permettent ainsi le passage de l'air entre l'intérieur et l'extérieur de la gaine d'étanchéité 52.On the inner face of the circular wall 62 (not visible) the protective element 54 is provided with ribs which prevent the sealing sheath 52 from being placed against the circular wall 62 and which thus allow the passage of air. between the inside and the outside of the sealing sheath 52.

Avantageusement, la gaine d'étanchéité 52 laisse passer l'air même en cas de pliure du câble électrique 42. En effet, dans le cas où le câble électrique 42, et donc la gaine d'étanchéité 52, sont pliés ou écrasés, la gaine se place contre le câble électrique 42 créant ainsi un ou plusieurs espaces autour du câble électrique.Advantageously, the sealing sheath 52 allows air to pass even in the event of bending of the electric cable 42. Indeed, in the case where the electric cable 42, and therefore the sealing sheath 52, are bent or crushed, the sheath is placed against the electric cable 42 thus creating one or more spaces around the electric cable.

Le broyeur sanitaire de l'invention comprenant le câble électrique 42 ayant sa portion extérieure protégée peut ainsi être immergé sans endommager le dispositif de commande. En effet, dans le cas où le broyeur sanitaire est posé au sol et que le câble électrique est branché, par exemple, à une hauteur d'un mètre, l'inclinaison du câble électrique fait que la première extrémité 58 du l'élément de protection 54 est orientée vers le haut et que la deuxième extrémité 60 de l'élément de protection 54 est orientée vers le bas. Ainsi, de l'eau ou de l'humidité qui coulerait le long du câble électrique entre la fiche électrique 55 et l'élément de protection 54 ne pourrait pas pénétrer à l'intérieur de la gaine d'étanchéité 52. De l'eau ou de l'humidité ne risque donc pas d'endommager la chambre inférieure 22. Par ailleurs, sauf dans le cas où même l'élément de protection est immergé, de l'eau ne peut pas pénétrer dans la gaine d'étanchéité par les canaux 62.The sanitary grinder of the invention comprising the electric cable 42 having its protected outer portion can thus be submerged without damaging the control device. Indeed, in the case where the sanitary grinder is placed on the ground and the electric cable is connected, for example, at a height of one meter, the inclination of the electric cable causes the first end 58 of the element of protection 54 is oriented upward and that the second end 60 of the protection element 54 is oriented downward. Thus, water or moisture which would flow along the electric cable between the electric plug 55 and the protection element 54 could not penetrate to inside the sealing sheath 52. Water or humidity therefore does not risk damaging the lower chamber 22. Moreover, except in the case where even the protective element is immersed, of water cannot enter the sealing sheath through channels 62.

Ainsi, le broyeur sanitaire de l'invention est immergeable jusqu'à une hauteur d'eau permettant de laisser l'élément de protection 54 hors de l'eau.Thus, the sanitary grinder of the invention is immersible up to a height of water making it possible to leave the protective element 54 out of the water.

Selon d'autre modes de réalisation possibles, l'élément de protection peut avoir une autre forme que cylindrique et le nombre et la forme des canaux peuvent varier.According to other possible embodiments, the protection element may have a shape other than cylindrical and the number and shape of the channels may vary.

Claims (5)

  1. A waste macerator comprising a tank and a control device for controlling said waste macerator placed in said tank, said control device comprising:
    - a housing (30) in which are arranged an airtight upper chamber (21) and a lower chamber (22) that are separated by a separating wall (23), the upper chamber (21) comprising an electric control system (24) for controlling the waste macerator connected to an electric cable (42),
    - a chimney (33) placed tightly around an orifice of an upper surface (31) of the housing (30) and a sealing washer (35) inserted into said chimney, said sealing washer (35) comprising a first orifice (37a) intended for the passage of the electric cable (42),
    - a flexible pipe (28, 48) comprising a first end (34) tightly fastened around the chimney (33) and a second end (36) tightly fastened around an orifice arranged in a wall of the tank (2), said flexible pipe (28) being intended for the passage of the electric cable (42), said electric cable (42) having an outer portion (50) emerging from the second end (36, 49) and being intended to be connected to a power socket,
    a sealing sheath (52) being placed around the outer portion (50) of the electric cable (42), said sealing sheath (52) comprising a first end part (51) tightly fastened to the second end (36) of the flexible pipe (28) and a second end part (53) comprising a protective element (54), said protective element (54) being configured to prevent water coming from the outside the tank (2) from entering the sealing sheath (52).
  2. The waste macerator according to claim 1, characterized in that
    - the sealing washer (34) comprises a second orifice (37b),
    - an air passage (27) is arranged in the separating wall (23), and opens into the second orifice (37b), said air passage, the flexible pipe (28) and the sealing sheath allowing the inside of the lower chamber (22) and the outside of the tank (2) to be placed in communication,
    - and in that the protective element (54) allows the passage of air between the lower chamber (21) and the outside of the sealing sheath (52).
  3. The waste macerator according to claim 1 or 2, characterized in that the protective element (54) comprises a first end (58) placed in contact with the electric cable (42).
  4. The waste macerator according to any one of the preceding claims, characterized in that the protective element (54) is cylindrical and comprises a second end (60) comprising, on its inner perimeter, a plurality of channels (62) placed in contact with the sealing sheath (52) and allowing the passage of air between the inside and the outside of the sealing sheath (52).
  5. The waste macerator according to any one of the preceding claims, characterized in that a fastening element (56) is placed inside the first end part (51) of the sealing sheath (52), said fastening element (56) being intended to tightly fasten the sealing sheath (52) to the second end (36, 49) of the flexible pipe (28, 48).
EP19219871.1A 2018-12-28 2019-12-27 Submersible waste macerator Active EP3674492B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1874347A FR3091305B1 (en) 2018-12-28 2018-12-28 Submersible sanitary grinder

Publications (2)

Publication Number Publication Date
EP3674492A1 EP3674492A1 (en) 2020-07-01
EP3674492B1 true EP3674492B1 (en) 2021-11-10

Family

ID=67185171

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19219871.1A Active EP3674492B1 (en) 2018-12-28 2019-12-27 Submersible waste macerator

Country Status (2)

Country Link
EP (1) EP3674492B1 (en)
FR (1) FR3091305B1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2823234B1 (en) * 2001-04-06 2003-09-19 Victor Jean Ballestra WASHER DEVICE

Also Published As

Publication number Publication date
EP3674492A1 (en) 2020-07-01
FR3091305B1 (en) 2021-01-15
FR3091305A1 (en) 2020-07-03

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