EP1288597A1 - Refrigerated cabinet - Google Patents

Refrigerated cabinet Download PDF

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Publication number
EP1288597A1
EP1288597A1 EP02292103A EP02292103A EP1288597A1 EP 1288597 A1 EP1288597 A1 EP 1288597A1 EP 02292103 A EP02292103 A EP 02292103A EP 02292103 A EP02292103 A EP 02292103A EP 1288597 A1 EP1288597 A1 EP 1288597A1
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EP
European Patent Office
Prior art keywords
support
rear wall
feet
unit according
cabinet
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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
EP02292103A
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German (de)
French (fr)
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EP1288597B1 (en
Inventor
Lionel Vasseur
Marc Anin
François Clavier
Philippe Beauchamp
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Individual
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Individual
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0482—Details common to both closed and open types
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0439—Cases or cabinets of the open type
    • A47F3/0443—Cases or cabinets of the open type with forced air circulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14—Collecting or removing condensed and defrost water; Drip trays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
    • F25D2321/146—Collecting condense or defrost water; Removing condense or defrost water characterised by the pipes or pipe connections

Definitions

  • the invention relates to a refrigeration unit, in particular a vertical piece of furniture, of the type comprising a roof part, rear wall structure carrying said roof, shelves or exhibition trays of food, supported by the rear wall structure, a tank housing a cooling device and air production and circulation fans cold towards the top of the cabinet, inside the rear wall structure, and foot devices at the ends of the cabinet, by which the cabinet takes support on the ground.
  • a refrigeration unit in particular a vertical piece of furniture, of the type comprising a roof part, rear wall structure carrying said roof, shelves or exhibition trays of food, supported by the rear wall structure, a tank housing a cooling device and air production and circulation fans cold towards the top of the cabinet, inside the rear wall structure, and foot devices at the ends of the cabinet, by which the cabinet takes support on the ground.
  • Refrigeration cabinets of this type which are known, have the major drawback that the tank is configured to transmit efforts in particular caused by the weight of the roof, the structure of rear wall and food placed on the shelves, at furniture foot device. Therefore, the bin should present a mechanically strong structure which, from this fact is complex and cumbersome, which has for disadvantage for example, that when installing refrigerated cabinets in sales areas, stakes in line, that is to say their alignment and their height, are difficult to achieve. Indeed, this height adjustment operation is generally carried out by adjustment of the cylinders integrated in the legs of the furniture.
  • the jacks of the feet which are under the furniture is difficult to access so that the layouts are complicated to implement.
  • the layouts of furniture are complicated, in these conditions, even more so because they must be axially juxtaposed without gaps between them while being axially aligned and at the same height.
  • the object of the present invention is to provide a furniture design that eliminates disadvantages which have just been stated.
  • the refrigeration unit according to the invention is characterized in that the efforts aforementioned mechanicals are transmitted from the structure of rear wall, directly to the support devices feet.
  • a foot support device is a piece that has the general shape of an L whose most branch long extends substantially horizontally and is intended to support at least two feet, so adjustable in height, while the other branch serves support member of the rear wall structure of the furniture.
  • a foot support device has means intended to avoid condensation on this device, the humidity contained in the ambient air.
  • these means include a thermal barrier placed in the support branch of the structure rear wall and in the leg support leg ambient air passage lights to improve heat exchange by convection with ambient air.
  • the height adjustment member of a foot is accessible through a window in the background from the furniture tray.
  • bringing two pieces of furniture together axially juxtaposed when they are put on the linen is done by a device which has two axes each arranged in a of the ends of the two facing pieces of furniture and an element traction such as a metal tape attached to one of the two axes and can be wrapped around the other axis by rotation of it.
  • a piece of furniture essentially comprises a roof part 1 supported by a wall structure rear 2 also serving as support for a plurality shelves or trays 3 of food display, a tray 4 resting on feet devices 5, provided for each end of the cabinet, which each have two feet 6 by which they rest on the ground 7.
  • the devices foot are configured to directly support the rear wall structure 2.
  • the tank 4 houses a cooling device 8 and fans 9 intended to create a flow of cold air going up in the wall structure 2 to the front of the roof 1 from which it exits in 10 to form in front of the plates 3 and so in front of the foodstuffs, that is to say in front of the furniture, a curtain of cold air, this curtain being taken up in bottom of the cabinet, at the top edge of the wall front 11 of tank 4 by an air intake device 12.
  • Air circulation and the air curtain in front of the furniture are indicated by arrows. We aknowledge still, that part of the cold air passes over the shelves.
  • the recovery device is supported by the front wall 11 of tank 4 via a plurality of support pieces 16 also suitable for support the front edge of the lower exposure tray of food.
  • the recovery device air 12 has horizontal return openings 14 and vertical return openings 15, in the advantageous example of figure 1, but could also only have horizontal return openings as shown, also by way of example, the figure 2.
  • Figure 3 illustrates in a perspective view the configuration of a 5 feet device according to the invention.
  • This device is essentially formed by a part 18 in the shape of an L, hollow, having a substantially rectangular cross section.
  • This part includes a substantially horizontal branch forming a cross 20 and a branch substantially vertical 22 constituting a nozzle perpendicular to the crosses.
  • the horizontal branch is used for mounting the feet 6 which project from the flat underside, horizontal, while the upper face 25 is adapted to serve as a support surface for the tank.
  • Branch vertical 22, i.e. the end piece is configured to support an upright 27 carrying the wall structure rear 2. This amount will be fitted to the end piece 20.
  • the invention provides means which avoid such condensation.
  • a thermal barrier is placed in the vertical branch 22.
  • This barrier is made in the form of an insert 28 made of a thermally material insulator, such as polystyrene which is placed at inside this branch.
  • a plurality of lights 29 through which ambient air can pass to ensure, by a convection effect, an exchange thermal ensuring temperature maintenance above of the condensation threshold. These 29 lights are dimensioned and distributed in the cross member so that the heat exchange effect is optimal, without mechanically weaken this part too much intended to transmit the forces from the rear wall 2 at feet 6.
  • a foot according to the invention essentially comprises a support member 31 on the ground the rear face of which carries a threaded rod 32 which cooperates with a suitable nut 33 which is fixedly mounted in the cross member 5.
  • the free rear end 34 of the threaded rod 32 is accessible through a light 35 made in the bottom wall 36 of the tank and of holes 35 ' in the sleeper.
  • the end 34 has an imprint for example hexagonal which can receive a shape key complementary 38.
  • the end of the key indicated at 37 can be inserted in the impression so that the rod 32 can be rotated using the key inside the tank. The rod is thus easily accessible.
  • This relative rotation of the rod in the nut 33 of course causes a displacement in height of the support member 31.
  • FIG. 4 Another benefit of direct transfer mechanical stresses of the rear wall structure to the foot devices 5, lies in the possibility of simplify the operation of bringing two pieces of furniture together axially aligned refrigerators, as shown on the Figure 4, using a device of a structure simple, easy to access and easy to use.
  • This device will be described with reference to Figures 4 to 6. It has the general reference 40 and includes essentially two axes 42, 43 each mounted to rotate in the crosspiece of one of the two pieces of furniture.
  • the axis 43 is part of the crosspiece 18 of the furniture A while the axis 42 belongs to the crosspiece 18 of cabinet B.
  • This device 40 further comprises a ribbon 45, in particular metallic, one end 46 of which is fixed to axis 42 of cabinet B, while the other end 47 is likely to be wound around the axis 43 by rotation of the latter using a drive element rotating, suitable, such as a wrench.
  • the end upper 49 of axis 43 is configured accordingly. To allow access to axes 42 and 43, simply provide in the bottom wall 36 of the corresponding tank a appropriate recess 51.
  • the axes 42, 43 can accomplish their function, they must of course be securely installed in their crossbar 18.
  • the maintenance of the axes is made by two horizontal legs 44 located one appropriate vertical distance one above the other and obtained by cutting, one in the side wall right and the other in the left side wall of the crosses. These legs thus cut are then folded back at an angle of 90 °.
  • the winding axis 43 of the tape 45 is tiltable so that it can be moved this axis between a rotational and winding position of the tape and a position for locking in rotation of this axis.
  • the opening 53 for the passage of this axis to through the top wall of the crosspiece has two parts, a wide part 54 allowing the rotation of the axis when it is in this portion and a narrow portion 55 for blocking the rotation of the axis. It can be moved using the key between the two positions.
  • Figures 7 and 8 show a device draining water accumulating in the tank, which replaces the classic siphons used until now in refrigerated cabinets and which require leaving a relatively large space between the tank and the ground.
  • the present invention thanks to the direct transfer of forces from the rear wall 2 of the cabinet to the foot 5 allows a lowering of the tank and thus minimize the height of the cabinet front.
  • the device 55 comprises essentially a float 56 configured to shut off the discharge opening 57 of the tank when the amount of liquid accumulated at the bottom of it is negligible.
  • the opening 57 is connected by a fitting 58 in the shape of an L to a pipe evacuation 60 which extends horizontally just in below the bin.
  • the opening 57 which is located at the bottom of a hollow circular 61 in the bottom wall of the tank has a raised annular rim 63.
  • the float 56 includes a substantially cylindrical body 65 whose diameter outside is greater than the annular rim 63 and less than the diameter of the hollow 61 and is provided with its rear face of a projecting part 66 whose diameter outside is less than the diameter of the opening 57 and which guides the head float 56 in this opening. As the Figure 7, in its closed position, the head of float 65 rests on the annular rim 53 of the discharge opening 57.
  • the float head 65 When the amount of liquid in the bottom of the tank increases so as to completely fill the trough 60, the float head 65 is lifted by the liquid, thus frees the discharge opening 57 and allows evacuation of the liquid as illustrated on the figure 8. After evacuation, the float can return in its closed position.
  • the furniture according to the invention has multiple advantages, thanks to the general design of the furniture ensuring a transfer of forces directly to the foot devices, without bin intermediary, such as the easy accessibility of the feet and the possibility of to bring together two juxtaposed pieces of furniture in a simple way, and this new design, the evacuation device of the liquid accumulated in the tank.

Abstract

The refrigerated display shelf has the weight of the rear wall carried directly to the support feet by an L-shaped support (5). The linger branch of the L-shape extends horizontally (20) and has at least two feet (6). The shorter branch (22) extends vertically to support the rear wall. The support can have a thermal insulation to reduce condensation.

Description

L'invention concerne un meuble frigorifique, notamment un meuble vertical, du type comprenant une partie formant toit, une structure de paroi arrière portant ledit toit, des étagères ou plateaux d'exposition de denrées, supportées par la structure de paroi arrière, un bac logeant un dispositif de refroidissement et des ventilateurs de production et de circulation de l'air froid vers le haut du meuble, à l'intérieur de la structure de paroi arrière, et des dispositifs de pied aux extrémités du meuble, par lesquels le meuble prend appui sur le sol.The invention relates to a refrigeration unit, in particular a vertical piece of furniture, of the type comprising a roof part, rear wall structure carrying said roof, shelves or exhibition trays of food, supported by the rear wall structure, a tank housing a cooling device and air production and circulation fans cold towards the top of the cabinet, inside the rear wall structure, and foot devices at the ends of the cabinet, by which the cabinet takes support on the ground.

Les meubles frigorifiques de ce type qui sont connus, présentent l'inconvénient majeur que le bac est configuré pour transmettre les efforts notamment occasionnée par le poids du toit, de la structure de paroi arrière et des denrées posées sur les étagères, au dispositif de pied du meuble. Par conséquent, le bac doit présenter une structure mécaniquement résistante qui, de ce fait est complexe et encombrante, ce qui a pour inconvénient par exemple, que lors de l'installation des meubles frigorifiques dans les aires de vente, les mises en linière, c'est-à-dire leur alignement et leur mise en hauteur, sont difficiles à réaliser. En effet, cette opération de la mise en hauteur s'opère généralement par réglage des vérins intégrés dans les pieds des meubles. Or, en raison de la conception des meubles, qui vient d'être décrite, les vérins des pieds qui se trouvant sous les meubles, sont difficilement accessibles si bien que les mises en linière sont compliquées à mettre en oeuvre. Les mises en linière des meubles se compliquent, dans ces conditions, encore davantage du fait qu'ils doivent être axialement juxtaposés sans interstices entre eux tout en étant axialement alignés et à la même hauteur.Refrigeration cabinets of this type which are known, have the major drawback that the tank is configured to transmit efforts in particular caused by the weight of the roof, the structure of rear wall and food placed on the shelves, at furniture foot device. Therefore, the bin should present a mechanically strong structure which, from this fact is complex and cumbersome, which has for disadvantage for example, that when installing refrigerated cabinets in sales areas, stakes in line, that is to say their alignment and their height, are difficult to achieve. Indeed, this height adjustment operation is generally carried out by adjustment of the cylinders integrated in the legs of the furniture. Now, because of the design of the furniture, which comes to be described, the jacks of the feet which are under the furniture is difficult to access so that the layouts are complicated to implement. The layouts of furniture are complicated, in these conditions, even more so because they must be axially juxtaposed without gaps between them while being axially aligned and at the same height.

La présente invention a pour but de proposer une conception de meuble qui permet d'éliminer les inconvénients qui viennent d'être énoncés. The object of the present invention is to provide a furniture design that eliminates disadvantages which have just been stated.

Pour atteindre ce but, le meuble frigorifique selon l'invention est caractérisé en ce que les efforts mécaniques susmentionnés sont transmis de la structure de paroi arrière, directement aux dispositifs de support des pieds.To achieve this goal, the refrigeration unit according to the invention is characterized in that the efforts aforementioned mechanicals are transmitted from the structure of rear wall, directly to the support devices feet.

Selon une caractéristique de l'invention, un dispositif de support des pieds est une pièce qui présente la forme générale d'un L dont la branche la plus longue s'étend sensiblement horizontalement et est destinée à supporter au moins deux pieds, de façon réglable en hauteur, tandis que l'autre branche sert d'organe de support de la structure de paroi arrière du meuble.According to a characteristic of the invention, a foot support device is a piece that has the general shape of an L whose most branch long extends substantially horizontally and is intended to support at least two feet, so adjustable in height, while the other branch serves support member of the rear wall structure of the furniture.

Selon une autre caractéristique de l'invention, un dispositif de support des pieds comporte des moyens destinés à éviter une condensation sur ce dispositif, de l'humidité contenue dans l'air ambiant.According to another characteristic of the invention, a foot support device has means intended to avoid condensation on this device, the humidity contained in the ambient air.

Selon encore une autre caractéristique de l'invention, ces moyens comportent une barrière thermique placée dans la branche de support de la structure de paroi arrière et, dans la branche de support des pieds des lumières de passage de l'air ambiant pour améliorer l'échange thermique par convection avec l'air ambiant.According to yet another characteristic of the invention, these means include a thermal barrier placed in the support branch of the structure rear wall and in the leg support leg ambient air passage lights to improve heat exchange by convection with ambient air.

Selon encore une autre caractéristique de l'invention, l'organe de réglage en hauteur d'un pied est accessible à travers une fenêtre pratiquée dans le fond du bac du meuble.According to yet another characteristic of the invention, the height adjustment member of a foot is accessible through a window in the background from the furniture tray.

Selon encore une autre caractéristique de l'invention, le rapprochement de deux meubles axialement juxtaposés lors de leur mise en linière se fait par un dispositif qui comporte deux axes chacun disposé dans une des extrémités des deux meubles en regard et un élément de traction tel qu'un ruban métallique fixé à un des deux axes et susceptible d'être enroulé autour de l'autre axe par rotation de celui-ci.According to yet another characteristic of the invention, bringing two pieces of furniture together axially juxtaposed when they are put on the linen is done by a device which has two axes each arranged in a of the ends of the two facing pieces of furniture and an element traction such as a metal tape attached to one of the two axes and can be wrapped around the other axis by rotation of it.

L'invention sera mieux comprise et d'autres buts, caractéristiques, détails et avantages de celle-ci apparaítront plus clairement dans la description explicative qui va suivre faite en référence aux dessins schématiques annexés donnés uniquement à titre d'exemple illustrant un mode de réalisation de l'invention et dans lesquels:

  • la figure 1 est une vue schématique, en perspective, d'un meuble selon l'invention;
  • la figure 2 est une vue latérale, à plus grande échelle, de la figure 1;
  • la figure 3 est une vue en perspective d'un dispositif de support de pieds, indiqué en III de la figure 2;
  • la figure 4 est une vue partielle en direction de la flèche IV de la figure 2 de deux meubles frigorifiques selon l'invention, axialement juxtaposés;
  • la figure 5 est une vue en coupe selon la ligne V-V de la figure 4,
  • la figure 6 est une vue à plus grande échelle du détail encerclé en VI sur la figure 5, et
  • les figures 7 et 8 sont des vues en coupe, illustrant un dispositif d'évacuation de liquide du bac, dans ses positions respectives de fermeture et d'ouverture.
The invention will be better understood and other objects, characteristics, details and advantages thereof will appear more clearly in the explanatory description which follows, made with reference to the appended schematic drawings given solely by way of example illustrating an embodiment. of the invention and in which:
  • Figure 1 is a schematic perspective view of a piece of furniture according to the invention;
  • Figure 2 is a side view, on a larger scale, of Figure 1;
  • Figure 3 is a perspective view of a foot support device, indicated in III of Figure 2;
  • Figure 4 is a partial view in the direction of arrow IV of Figure 2 of two refrigeration units according to the invention, axially juxtaposed;
  • FIG. 5 is a sectional view along the line VV of FIG. 4,
  • FIG. 6 is an enlarged view of the detail circled in VI in FIG. 5, and
  • Figures 7 and 8 are sectional views illustrating a liquid discharge device from the tank, in their respective closed and open positions.

Comme on le voit sur la figure 1, un meuble frigorifique, selon l'invention, comporte essentiellement une partie de toit 1 supportée par une structure de paroi arrière 2 servant également de support d'une pluralité d'étagères ou plateaux 3 d'exposition de denrées, un bac 4 reposant sur des dispositifs de pieds 5, prévus à chaque extrémité du meuble, qui comportent chacun deux pieds 6 par lesquels ils prennent appui sur le sol 7. Selon une caractéristique de l'invention, les dispositifs de pied sont configurés pour supporter directement la structure de paroi arrière 2.As seen in Figure 1, a piece of furniture according to the invention essentially comprises a roof part 1 supported by a wall structure rear 2 also serving as support for a plurality shelves or trays 3 of food display, a tray 4 resting on feet devices 5, provided for each end of the cabinet, which each have two feet 6 by which they rest on the ground 7. According to a characteristic of the invention, the devices foot are configured to directly support the rear wall structure 2.

Comme le montre schématiquement la figure 1, le bac 4 loge un dispositif de refroidissement 8 et des ventilateurs 9 destinés à créer un écoulement d'air froid remontant dans la structure de paroi 2 jusqu'à l'avant du toit 1 d'où il sort en 10 pour former devant les plateaux 3 et ainsi devant les denrées, c'est-à-dire à l'avant du meuble, un rideau d'air froid, ce rideau étant repris en bas du meuble, au niveau du bord supérieur de la paroi avant 11 du bac 4 par un dispositif de reprise d'air 12. La circulation de l'air et le rideau d'air à l'avant du meuble sont indiqués par des flèches. On constate encore, qu'une partie de l'air froid passe sur les étagères. Le dispositif de reprise est supporté par la paroi avant 11 du bac 4 par l'intermédiaire d'une pluralité de pièces de support 16 également adaptées pour supporter le bord avant du plateau inférieur d'exposition de denrées. Il est à noter que le dispositif de reprise d'air 12 comporte des ouvertures de reprise horizontales 14 et des ouvertures de reprise verticales 15, dans l'exemple avantageux de la figure 1, mais pourrait aussi ne comporter que des ouvertures de reprise horizontales comme le montre, également à titre d'exemple, la figure 2.As shown schematically in Figure 1, the tank 4 houses a cooling device 8 and fans 9 intended to create a flow of cold air going up in the wall structure 2 to the front of the roof 1 from which it exits in 10 to form in front of the plates 3 and so in front of the foodstuffs, that is to say in front of the furniture, a curtain of cold air, this curtain being taken up in bottom of the cabinet, at the top edge of the wall front 11 of tank 4 by an air intake device 12. Air circulation and the air curtain in front of the furniture are indicated by arrows. We aknowledge still, that part of the cold air passes over the shelves. The recovery device is supported by the front wall 11 of tank 4 via a plurality of support pieces 16 also suitable for support the front edge of the lower exposure tray of food. It should be noted that the recovery device air 12 has horizontal return openings 14 and vertical return openings 15, in the advantageous example of figure 1, but could also only have horizontal return openings as shown, also by way of example, the figure 2.

La figure 3 illustre en une vue en perspective la configuration d'un dispositif de pieds 5 selon l'invention. Ce dispositif est essentiellement formé par une pièce 18 en forme d'un L, creux, présentant une section transversale sensiblement rectangulaire. Cette pièce comprend une branche sensiblement horizontale formant une traverse 20 et une branche sensiblement verticale 22 constituant un embout perpendiculaire à la traverse. La branche horizontale sert pour le montage des pieds 6 qui font saillie de la face inférieure plane, horizontale, tandis que la face supérieure 25 est adaptée pour servir de surface d'appui du bac. La branche verticale 22, c'est-à-dire l'embout, est configurée pour supporter un montant 27 porteur de la structure de paroi arrière 2. Ce montant sera emmanché sur l'embout 20.Figure 3 illustrates in a perspective view the configuration of a 5 feet device according to the invention. This device is essentially formed by a part 18 in the shape of an L, hollow, having a substantially rectangular cross section. This part includes a substantially horizontal branch forming a cross 20 and a branch substantially vertical 22 constituting a nozzle perpendicular to the crosses. The horizontal branch is used for mounting the feet 6 which project from the flat underside, horizontal, while the upper face 25 is adapted to serve as a support surface for the tank. Branch vertical 22, i.e. the end piece, is configured to support an upright 27 carrying the wall structure rear 2. This amount will be fitted to the end piece 20.

Etant donné que le dispositif de pieds 5 est par son embout 22 en contact avec un montant 27 de la paroi arrière 2 du meuble, à travers laquelle passe la circulation d'air froid, il existe le risque que la température de la pièce 18 devient trop faible et provoque une condensation de l'humidité contenue dans l'air ambiant. L'invention prévoit des moyens qui évitent une telle condensation.Since the 5 foot device is by its end piece 22 in contact with an upright 27 of the wall rear 2 of the cabinet, through which the cold air circulation there is a risk that the room temperature 18 becomes too low and causes condensation of the moisture contained in Ambiant air. The invention provides means which avoid such condensation.

A cette fin, une barrière thermique est disposée dans la branche verticale 22. Cette barrière est réalisée sous forme d'un insert 28 en un matériau thermiquement isolant, tel que du polystyrène qui est placé à l'intérieur de cette branche. De plus, on a prévu dans la branche horizontale formant traverse 20 une pluralité de lumières 29 à travers lequel l'air ambiant peut passer pour assurer, par un effet de convection, un échange thermique assurant le maintien de la température en au-dessus du seuil de la condensation. Ces lumières 29 sont dimensionnées et réparties dans la traverse de façon que l'effet d'échange thermique soit optimal, sans pour autant affaiblir trop, mécaniquement, cette pièce destinée à transmettre les efforts de la paroi arrière 2 au pieds 6.To this end, a thermal barrier is placed in the vertical branch 22. This barrier is made in the form of an insert 28 made of a thermally material insulator, such as polystyrene which is placed at inside this branch. In addition, we have provided in the horizontal branch forming cross 20 a plurality of lights 29 through which ambient air can pass to ensure, by a convection effect, an exchange thermal ensuring temperature maintenance above of the condensation threshold. These 29 lights are dimensioned and distributed in the cross member so that the heat exchange effect is optimal, without mechanically weaken this part too much intended to transmit the forces from the rear wall 2 at feet 6.

Le fait que les efforts mécaniques sont transmis directement de la paroi arrière aux dispositifs de pied 5 présente de multiples avantages dont certains seront maintenant décrits ci-après.The fact that the mechanical forces are transmitted directly from the rear wall to the foot devices 5 has multiple advantages, some of which will be now described below.

Cette particularité de l'invention permet la réalisation d'un concept d'un réglage en hauteur des pieds 6, qui est particulièrement avantageux. Comme le montre notamment la figure 2, un pied selon l'invention comporte essentiellement un organe 31 d'appui sur le sol dont la face arrière porte une tige filetée 32 qui coopère avec un écrou approprié 33 qui est monté fixe dans la traverse 5. L'extrémité arrière libre 34 de la tige filetée 32 est accessible à travers une lumière 35 pratiquée dans la paroi de fond 36 du bac et de trous 35' dans la traverse. L'extrémité 34 présente une empreinte par exemple hexagonale pouvant recevoir une clé de forme complémentaire 38. L'extrémité de la clé indiquée en 37 peut être introduite dans l'empreinte de façon que la tige 32 puisse être entraínée en rotation à l'aide de la clé de l'intérieur du bac. La tige est ainsi aisément accessible. Cette rotation relative de la tige dans l'écrou 33 provoque bien entendu un déplacement en hauteur de l'organe d'appui 31.This feature of the invention allows the realization of a concept of height adjustment of 6 feet, which is particularly advantageous. As the shows in particular Figure 2, a foot according to the invention essentially comprises a support member 31 on the ground the rear face of which carries a threaded rod 32 which cooperates with a suitable nut 33 which is fixedly mounted in the cross member 5. The free rear end 34 of the threaded rod 32 is accessible through a light 35 made in the bottom wall 36 of the tank and of holes 35 ' in the sleeper. The end 34 has an imprint for example hexagonal which can receive a shape key complementary 38. The end of the key indicated at 37 can be inserted in the impression so that the rod 32 can be rotated using the key inside the tank. The rod is thus easily accessible. This relative rotation of the rod in the nut 33 of course causes a displacement in height of the support member 31.

Il est à noter que l'accès aisé à la tige filetée 32 de l'intérieur du bac est devenu possible parce que ce bac est désencombré du fait qu'il n'a plus à transmettre des efforts mécaniques de la paroi arrière du meuble qui supporte le poids et les denrées par l'intermédiaire des plateaux, comme dans le cas des meubles frigorifiques classiques.Note that easy access to the threaded rod 32 from inside the bin became possible because this bin is uncluttered because it no longer has to transmit mechanical forces from the rear wall of the cabinet which supports weight and food through trays, as in the case of refrigerated cabinets classics.

Un autre avantage procuré par le transfert direct des efforts mécaniques de la structure de paroi arrière aux dispositifs de pied 5, réside dans la possibilité de simplifier l'opération du rapprochement de deux meubles frigorifiques axialement alignés, tels que montrés sur la figure 4, à l'aide d'un dispositif d'une structure simple, d'un accès facile et d'un maniement aisé. Ce dispositif sera décrit en se référant aux figures 4 à 6. Il porte la référence générale 40 et comporte essentiellement deux axes 42, 43 chacun monté rotatif dans la traverse d'un des deux meubles.Another benefit of direct transfer mechanical stresses of the rear wall structure to the foot devices 5, lies in the possibility of simplify the operation of bringing two pieces of furniture together axially aligned refrigerators, as shown on the Figure 4, using a device of a structure simple, easy to access and easy to use. This device will be described with reference to Figures 4 to 6. It has the general reference 40 and includes essentially two axes 42, 43 each mounted to rotate in the crosspiece of one of the two pieces of furniture.

Ainsi, l'axe 43 fait partie de la traverse 18 du meuble A tandis que l'axe 42 appartient à la traverse 18 du meuble B. Ce dispositif 40 comporte en outre un ruban 45, notamment métallique, dont une extrémité 46 est fixée à l'axe 42 du meuble B, tandis que l'autre extrémité 47 est susceptible d'être enroulée autour de l'axe 43 par rotation de celle-ci à l'aide d'un élément d'entraínement en rotation, approprié, tel qu'une clé. L'extrémité supérieure 49 de l'axe 43 est configurée en conséquence. Pour permettre l'accès aux axes 42 et 43, il suffit de prévoir dans la paroi de fond 36 du bac correspondant un évidement approprié 51. Thus, the axis 43 is part of the crosspiece 18 of the furniture A while the axis 42 belongs to the crosspiece 18 of cabinet B. This device 40 further comprises a ribbon 45, in particular metallic, one end 46 of which is fixed to axis 42 of cabinet B, while the other end 47 is likely to be wound around the axis 43 by rotation of the latter using a drive element rotating, suitable, such as a wrench. The end upper 49 of axis 43 is configured accordingly. To allow access to axes 42 and 43, simply provide in the bottom wall 36 of the corresponding tank a appropriate recess 51.

Pour que les axes 42, 43 puissent accomplir leur fonction, ils doivent bien entendu être solidement implantés dans leur traverse 18. Le maintien des axes se fait par deux pattes horizontales 44 situées à une distance verticale appropriée l'une au-dessus de l'autre et obtenues par découpe, l'une dans la paroi latérale droite et l'autre dans la paroi latérale gauche de la traverse. Ces pattes ainsi découpées sont ensuite repliées d'un angle de 90°. L'axe 43 d'enroulement du ruban 45 est inclinable de façon à permettre de déplacer cet axe entre une position de rotation et d'enroulement du ruban et une position de blocage en rotation de cet axe.So that the axes 42, 43 can accomplish their function, they must of course be securely installed in their crossbar 18. The maintenance of the axes is made by two horizontal legs 44 located one appropriate vertical distance one above the other and obtained by cutting, one in the side wall right and the other in the left side wall of the crosses. These legs thus cut are then folded back at an angle of 90 °. The winding axis 43 of the tape 45 is tiltable so that it can be moved this axis between a rotational and winding position of the tape and a position for locking in rotation of this axis.

A cette fin, l'ouverture 53 de passage de cet axe à travers la paroi supérieure de la traverse présente deux parties, une partie large 54 permettant la rotation de l'axe lorsque celle-ci se trouve dans cette portion et une portion étroite 55 de blocage en rotation de l'axe. Celle-ci est déplaçable à l'aide de la clé entre les deux positions. Ainsi à la fin de l'enroulement du ruban 45 sur l'axe 43, lorsque les deux meubles A et B sont rapprochés, il suffit de faire pivoter l'axe de la zone de rotation 54 dans la position étroite de blocage 55 pour que les deux meubles soient verrouillés dans leur position rapprochée.To this end, the opening 53 for the passage of this axis to through the top wall of the crosspiece has two parts, a wide part 54 allowing the rotation of the axis when it is in this portion and a narrow portion 55 for blocking the rotation of the axis. It can be moved using the key between the two positions. Thus at the end of the winding of the ribbon 45 on axis 43, when the two pieces of furniture A and B are close together, just rotate the axis of the area of rotation 54 in the narrow blocking position 55 so that the two pieces of furniture are locked in their close position.

En se référant notamment aux figures 7 et 8 on décrira une autre particularité structurelle du meuble frigorifique selon l'invention, obtenu grâce au transfert direct des efforts mécaniques de la paroi arrière dans les dispositifs de pieds 5, avec la possibilité d'abaisser considérablement le bac par rapport aux meubles classiques.With particular reference to Figures 7 and 8, will describe another structural feature of the furniture refrigerator according to the invention, obtained by transfer direct mechanical forces from the rear wall in 5 feet devices, with the possibility significantly lower the tray compared to classic furniture.

Les figures 7 et 8 montrent un dispositif d'évacuation de l'eau s'accumulant dans le bac, qui remplace les siphons classiques utilisés jusqu'à présent dans des meubles frigorifiques et qui obligent à laisser un espace relativement important entre le bac et le sol. Or, la présente invention, grâce au transfert direct des efforts de la paroi arrière 2 du meuble au dispositif de pied 5 permet un abaissement de la cuve et ainsi de minimiser la hauteur de façade du meuble.Figures 7 and 8 show a device draining water accumulating in the tank, which replaces the classic siphons used until now in refrigerated cabinets and which require leaving a relatively large space between the tank and the ground. However, the present invention, thanks to the direct transfer of forces from the rear wall 2 of the cabinet to the foot 5 allows a lowering of the tank and thus minimize the height of the cabinet front.

Par rapport au siphon classique, le dispositif d'évacuation 55 selon l'invention comporte essentiellement un flotteur 56 configuré pour obturer l'ouverture d'évacuation 57 de la cuve lorsque la quantité de liquide accumulée au fond de celle-ci est négligeable. Comme le montre les figures, l'ouverture 57 est reliée par un raccord 58 en forme d'un L à un tuyau d'évacuation 60 qui s'étend horizontalement juste en dessous du bac.Compared to the classic siphon, the device 55 according to the invention comprises essentially a float 56 configured to shut off the discharge opening 57 of the tank when the amount of liquid accumulated at the bottom of it is negligible. As shown in the figures, the opening 57 is connected by a fitting 58 in the shape of an L to a pipe evacuation 60 which extends horizontally just in below the bin.

L'ouverture 57 qui est située au fond d'un creux circulaire 61 dans la paroi de fond du bac présente un rebord annulaire surélevé 63. Le flotteur 56 comporte un corps sensiblement cylindrique 65 dont le diamètre extérieur est supérieur au rebord annulaire 63 et inférieure au diamètre du creux 61 et est pourvu à sa face arrière d'une partie en saillie 66 dont le diamètre extérieur est inférieur au diamètre de l'ouverture d'évacuation 57 et qui assure le guidage de la tête de flotteur 56 dans cette ouverture. Comme le montre la figure 7, dans sa position d'obturation, la tête de flotteur 65 repose sur le rebord annulaire 53 de l'ouverture d'évacuation 57.The opening 57 which is located at the bottom of a hollow circular 61 in the bottom wall of the tank has a raised annular rim 63. The float 56 includes a substantially cylindrical body 65 whose diameter outside is greater than the annular rim 63 and less than the diameter of the hollow 61 and is provided with its rear face of a projecting part 66 whose diameter outside is less than the diameter of the opening 57 and which guides the head float 56 in this opening. As the Figure 7, in its closed position, the head of float 65 rests on the annular rim 53 of the discharge opening 57.

Lorsque la quantité de liquide dans le fond de la cuve augmente de façon à remplir complètement le creux 60, la tête de flotteur 65 est soulevée par le liquide, libère ainsi l'ouverture d'évacuation 57 et permet l'évacuation du liquide de la manière illustrée sur la figure 8. Après l'évacuation, le flotteur peut revenir dans sa position d'obturation.When the amount of liquid in the bottom of the tank increases so as to completely fill the trough 60, the float head 65 is lifted by the liquid, thus frees the discharge opening 57 and allows evacuation of the liquid as illustrated on the figure 8. After evacuation, the float can return in its closed position.

Il ressort de la description qui vient d'être faite, que le meuble selon l'invention présente de multiples avantages, grâce à la conception générale du meuble assurant un transfert des efforts directement au dispositifs de pied, sans intermédiaire du bac, comme l'accessibilité aisée des pieds et la possibilité de rapprocher deux meubles juxtaposés d'une façon simple, et cette nouvelle conception, du dispositif d'évacuation du liquide accumulée dans le bac.It appears from the description which has just been made, that the furniture according to the invention has multiple advantages, thanks to the general design of the furniture ensuring a transfer of forces directly to the foot devices, without bin intermediary, such as the easy accessibility of the feet and the possibility of to bring together two juxtaposed pieces of furniture in a simple way, and this new design, the evacuation device of the liquid accumulated in the tank.

Claims (11)

Meuble frigorifique, notamment meuble vertical, du type comprenant une partie formant toit, une structure de paroi arrière portant ledit toit, des étagères ou plateaux d'exposition de denrées, supportés par la structure de paroi arrière, un bac logeant un dispositif de refroidissement et des ventilateurs de circulation de l'air froid vers le haut du meuble, à l'intérieur de la structure de paroi arrière, et des dispositifs de support des pieds, par lesquels le meuble prend appui sur le sol, les efforts mécaniques s'exerçant sur la structure de paroi arrière étant transmis directement aux dispositifs de support des pieds, caractérisé en ce qu'un dispositif de support (5) des pieds est une pièce qui présente la forme générale d'un L dont la branche la plus longue (20) s'étend sensiblement horizontalement et est destinée à supporter au moins deux pieds (6), tandis que l'autre branche (22) verticale sert d'organe de support de la structure de paroi arrière (2) du meuble, et en ce que le dispositif de support (5) des pieds (6) comporte des moyens destinés à éviter une condensation sur ce dispositif, de l'humidité contenue dans l'air ambiant.Refrigeration cabinet, in particular vertical cabinet, of the type comprising a part forming a roof, a rear wall structure carrying said roof, shelves or trays for displaying foodstuffs, supported by the rear wall structure, a tank housing a cooling device and fans for circulating cold air towards the top of the cabinet, inside the rear wall structure, and support devices for the feet, by which the cabinet is supported on the floor, the mechanical forces being exerted on the rear wall structure being transmitted directly to the support devices for the feet, characterized in that a support device (5) for the feet is a part which has the general shape of an L, the longest branch (20 ) extends substantially horizontally and is intended to support at least two feet (6), while the other vertical branch (22) serves as a support member for the rear wall structure (2) of the me uble, and in that the support device (5) of the feet (6) comprises means intended to avoid condensation on this device, of the humidity contained in the ambient air. Meuble frigorifique selon la revendication 1, caractérisé en ce que la paroi arrière comporte des montants porteurs (27) qui prennent appui chacun sur une branche verticale (22) d'un dispositif de support (5).Refrigeration unit according to claim 1, characterized in that the rear wall comprises support uprights (27) which each bear on a vertical branch (22) of a support device (5). Meuble frigorifique selon la revendication 2, caractérisé en ce que l'extrémité de montant de paroi arrière (27) est emmanchée sur sa branche verticale de support (22).Refrigeration unit according to claim 2, characterized in that the rear wall upright end (27) is fitted on its vertical support branch (22). Meuble frigorifique selon l'une des revendications 1 à 3, caractérisé en ce que ces moyens comportent une barrière thermique (28) placée dans la branche (22) de support de la paroi arrière (2). Refrigeration unit according to one of claims 1 to 3, characterized in that these means comprise a thermal barrier (28) placed in the branch (22) for supporting the rear wall (2). Meuble frigorifique selon la revendication 4, caractérisé en ce que la barrière thermique (28) est formée par un insert en un matériau thermiquement isolant, tel que du polystyrène, qui est inséré dans la branche de support (22) de la pièce (18).Refrigeration unit according to claim 4, characterized in that the thermal barrier (28) is formed by an insert made of a thermally insulating material, such as polystyrene, which is inserted into the support branch (22) of the part (18) . Meuble frigorifique selon l'une des revendications 4 ou 5, caractérisé en ce que les moyens destinés à éviter la condensation comportent en outre des lumières (29) de passage de l'air ambiant dans la branche de support (20) des pieds (6), pour améliorer l'échange thermique par convection avec l'air ambiant.Refrigeration unit according to one of claims 4 or 5, characterized in that the means intended to prevent condensation also comprise openings (29) for the passage of ambient air in the support branch (20) of the feet (6 ), to improve heat exchange by convection with ambient air. Meuble frigorifique selon l'une des revendications 1 à 6, caractérisé en ce qu'il comporte un dispositif de réglage de la hauteur des pieds (6), dont l'organe de réglage (32) est accessible de l'intérieur du bac (4).Refrigerating unit according to one of claims 1 to 6, characterized in that it comprises a device for adjusting the height of the feet (6), the adjusting member (32) of which is accessible from the inside of the tank ( 4). Meuble frigorifique selon la revendication 7, caractérisé en ce que l'organe de réglage est une tige filetée (32) associée à l'organe (31), par lequel le pied prend appui sur le sol (7) et qui est monté rotatif dans un élément formant écrou approprié (33) monté fixe dans le dispositif de support de pieds (5), l'organe de réglage étant accessible à travers une lumière (35) pratiquée dans la paroi de fond (36) du bac (4).Refrigeration unit according to claim 7, characterized in that the adjustment member is a threaded rod (32) associated with the member (31), by which the foot is supported on the ground (7) and which is rotatably mounted in a suitable nut element (33) fixedly mounted in the foot support device (5), the adjusting member being accessible through a hole (35) formed in the bottom wall (36) of the tank (4). Meuble frigorifique selon l'une des revendications précédentes, caractérisé en ce qu'il comporte un dispositif permettant de rapprocher de ce meuble un autre meuble axialement aligné, qui comporte essentiellement un organe (42) implanté dans le dispositif de pieds (5) de l'un des meubles, un organe en forme d'un axe (43) monté rotatif dans le dispositif de pied (5) de l'autre meuble et un élément tel qu'un ruban (45) dont une extrémité (46) est fixée sur ledit organe (32) tandis que l'autre extrémité (47) est susceptible d'être enroulée autour de l'axe rotatif (43).Refrigeration cabinet according to one of the preceding claims, characterized in that it comprises a device making it possible to bring this cabinet closer to another axially aligned cabinet, which essentially comprises a member (42) implanted in the leg device (5) of the one of the pieces of furniture, a member in the form of an axis (43) rotatably mounted in the foot device (5) of the other piece of furniture and an element such as a tape (45) of which one end (46) is fixed on said member (32) while the other end (47) is capable of being wound around the rotary axis (43). Meuble frigorifique selon l'une des revendications 1 à 9, caractérisé en ce qu'il comporte un dispositif (55) d'évacuation de l'eau s'accumulant dans le fond du bac, qui comporte un flotteur (56) d'obturation d'une ouverture d'évacuation (57) du liquide, qui est reliée à un tuyau d'évacuation (60).Refrigeration unit according to one of claims 1 to 9, characterized in that it comprises a device (55) for discharging the water accumulating in the bottom of the tank, which comprises a shutter float (56) a discharge opening (57) for the liquid, which is connected to a discharge pipe (60). Meuble frigorifique selon la revendication 10, caractérisé en ce que l'ouverture d'évacuation (57) précitée est disposée dans un creux (61) de la paroi de fond (36) du bac et en ce que le flotteur (56) est amené à dégager l'ouverture d'évacuation (7) sous l'effet du liquide s'accumulant dans le creux.Refrigeration unit according to claim 10, characterized in that the above-mentioned discharge opening (57) is arranged in a recess (61) in the bottom wall (36) of the tank and in that the float (56) is brought to clear the discharge opening (7) under the effect of the liquid accumulating in the hollow.
EP02292103A 2001-08-28 2002-08-27 Refrigerated cabinet Expired - Lifetime EP1288597B1 (en)

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FR0111191A FR2829230B1 (en) 2001-08-28 2001-08-28 REFRIGERATED FURNITURE, ESPECIALLY A VERTICAL FURNITURE
FR0111191 2001-08-28

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EP1288597B1 EP1288597B1 (en) 2006-12-06

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EP1752722A2 (en) * 2005-08-12 2007-02-14 Liebherr-Hausgeräte Ochsenhausen GmbH Refrigerator and/or freezer
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CN106061326B (en) * 2014-02-14 2019-07-23 奥特冷机系统有限公司 Refrigerator
EP4230934A1 (en) 2022-02-22 2023-08-23 De Rigo Refrigeration S.r.l. Display cabinet for preserving food products and process for mounting said display cabinet

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FR2829230B1 (en) 2004-10-08
ATE347679T1 (en) 2006-12-15
EP1288597B1 (en) 2006-12-06
DE60216548T2 (en) 2007-10-11
FR2829230A1 (en) 2003-03-07
DE60216548D1 (en) 2007-01-18

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