EP1116842A1 - Dispositif de compensation pour porte à relevage vertical - Google Patents
Dispositif de compensation pour porte à relevage vertical Download PDFInfo
- Publication number
- EP1116842A1 EP1116842A1 EP01400030A EP01400030A EP1116842A1 EP 1116842 A1 EP1116842 A1 EP 1116842A1 EP 01400030 A EP01400030 A EP 01400030A EP 01400030 A EP01400030 A EP 01400030A EP 1116842 A1 EP1116842 A1 EP 1116842A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft
- rotation
- spring
- door
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001174 ascending effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 230000006837 decompression Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 3
- 241001417494 Sciaenidae Species 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
- E05D13/10—Counterbalance devices
- E05D13/12—Counterbalance devices with springs
- E05D13/123—Counterbalance devices with springs with compression springs
- E05D13/1238—Counterbalance devices with springs with compression springs specially adapted for overhead wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/106—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for garages
Definitions
- the present invention relates to a device intended to compensate for the mass of an object driven in a vertical, upward or descending.
- the type of device according to the invention is intended to compensate, during the opening and closing, vertical lift doors, such as for example doors garage.
- the doors are balanced, or compensated, by different devices, such as counterweights for example.
- These devices employ for example a torsion spring associated with a drum on which the door actuation cable is wound.
- the axial displacement of the nut compresses the spring, creating a return torque on the screw and therefore on the motor shaft, torque aimed at balancing the door.
- this balancing torque increases in the closing phase and decreases in the opening phase.
- this type of device cannot balance doors whose mass does not vary or very little during lifting, such as doors tilting or stacked sections.
- the present invention provides a device capable of balance vertically lifted doors whose mass does not vary or very little during the opening and closing phases, providing an effort of constant compensation with a minimum of parts.
- the device for compensating for the mass of a object during an upward or downward vertical movement due to the rotation of a tree is characterized in that it comprises means elastic capable of being compressed or decompressed between two stops, each stop being movable in translation during the rotation of the shaft.
- the elastic means comprise a spring and the shaft is threaded, each stop being made up of a nut immobilized in rotation.
- the thread made on the shaft has a different pitch for each of the two nuts.
- motor means are designed to activate the rotation of the shaft.
- the device according to the invention is applied to the door lift at constant or very variable mass.
- the horizontal direction is defined by the ground S, the vertical direction being substantially perpendicular to the direction horizontal.
- Figure 1 shows, in schematic side view, a first type of vertical lift door on which the device according to the invention, more particularly called tilting door.
- the assembly consists of two vertical rails 1, of known type and located in the ground S (only the vertical rail 1a being visible in FIG. 1).
- Each vertical rail 1 is associated with a horizontal rail 2, arranged at the free end of it, opposite the ground S.
- a apron 3 slides in the rails 1, 2 to take different positions 3a, 3b, 3c between a closed position where the deck 3 is parallel to the rails vertical 1 and an open position where the deck 3 is parallel to the rails horizontal 2.
- the opening of the up-and-over door is done by the rise of the apron 3 in the direction and direction of the arrow f1, the closing being effected by means of the lowering of the deck 3 in the direction and direction of the arrow f2.
- Figure 2 is a schematic side view of a second type of door to which the device according to the invention can be applied.
- This type of door comprises a flexible articulated apron 4 or rigid mounted in a known manner on a pair of vertical rails 1 fixed on the ground S serving as guide means.
- the articulated apron 4 of classical architecture, comprises sections 4a connected together by pivot links 4b.
- Actuating means allow opening the door by driving the hinged apron 4 upwards (direction of arrow f1).
- the different sections 4a fold in accordion on top of each other.
- Closing is carried out by lowering (direction of arrow f2) the sections 4a of the articulated deck 4.
- FIG 3 is a perspective view of the swing door 3 Figure 1, showing the layout of the device 5 according to the invention.
- the device according to the invention 5 is arranged at the level of the upper part a vertical rail (rail 1b in the embodiment of FIG. 3), substantially at the junction of rails 1b and 2b.
- a second device 5 can be arranged symmetrically at the junction of rails 1a and 2a.
- Actuating means 6, consisting for example of a strap 7 or a cable winding on a drum 8 or any other similar means, are connected at one end to device 5 and at the other end to the base apron 3.
- actuating means 6 can either be coupled to a motor, either operate manually.
- Figure 4 shows, in schematic side view, the detail of the device 5 applied to a particular embodiment where the means actuation 6 include a strap 7 adapted to be wound on a drum 8 when the door is opened.
- the device 5 comprises a shaft 9, of substantially horizontal axis X, coupled in a known manner at one of its ends to the drum 8, and to the other end either to motor means or to support means such as a bearing, both known and not shown.
- the shaft 9 has, on a first part, a first thread 10 on which is screwed a first nut 11, of generally known shape and having a bearing face 11a, perpendicular to the shaft 9 and turned towards the drum 8.
- the shaft 9 has, on a second part, a second thread 12 onto which is screwed a second nut 13, of generally known shape and having a bearing face 13a, also perpendicular to the shaft 9 and disposed opposite the bearing face 11a of the nut 11.
- the first thread 10, on which the first nut 11 is screwed is made at the end opposite to that where the drum 8 is located, while the second thread 12, on which the second nut 13 is screwed, is adjacent drum 8.
- the nuts 11, 13 are immobilized in rotation by all types of process known but are free in translation, and during the rotation of the shaft 9, the nuts 11, 13 move in translation relative to said shaft 9.
- Threads 10 and 12 are the same direction but not different, the pitch of the second thread 12 being weaker than that of the first thread 10.
- the spring 14 is therefore in abutment against the bearing faces 11a and 13a nuts 11 and 13.
- the compression of the spring 14 induces a torque on the shaft 9, by through the nuts 11, 13 against which the spring 14 is in support.
- this induced torque increases (compression of spring 14) or decreases (decompression of spring 14) and thus, either facilitates or thwarts said rotation.
- the spring 14 is generally compressed or decompressed according to the direction of movement of the nuts 11, 13, and therefore according to the direction of rotation of the shaft 9.
- the first nut 11 compresses the spring 14, while the second nut 13 tends to slightly decompress it in order to limit the amplitude of the variation in torque induced on the shaft 9.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Elevator Door Apparatuses (AREA)
- Types And Forms Of Lifts (AREA)
- Gates (AREA)
- Control And Safety Of Cranes (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
Description
- La figure 1 est une vue schématique de côté d'un premier type de porte à relevage vertical sur laquelle est susceptible d'être appliqué le dispositif selon l'invention ;
- La figure 2 est une vue schématique de côté d'un second type de porte sur laquelle est susceptible d'être appliqué le dispositif selon l'invention ;
- La figure 3 est une vue en perspective de la porte de la figure 1 montrant l'implantation du dispositif selon l'invention ;
- La figure 4 est une vue schématique de côté du dispositif selon l'invention.
- Pendant la phase de fermeture de la porte : La rotation de l'arbre 9 entraíne le dévidage de la sangle 7 du tambour 8 (position représentée en traits pleins).Le premier écrou 11 a tendance à comprimer le ressort 14 contre la face 13a du second écrou 13.En raison de la différence de pas des filetages 10 et 12, les écrous 11, 13 se déplacent dans le sens de la flèche f3, mas à des vitesses différentes. Le second écrou 13 a donc tendance lui à décomprimer le ressort 14.La différence de course des écrous 11 et 13 provoque globalement une compression du ressort 14, qui emmagasine ainsi de l'énergie susceptible d'être restituée à l'arbre 9 lors de la phase d'ouverture. L'écrou 13, en décomprimant légèrement le ressort 14, diminue l'amplitude de la variation du couple sur l'arbre 9 lors de la compression du ressort 14.
- Pendant la phase d'ouverture de la porte :
La rotation de l'arbre 9 entraíne l'enroulement de la sangle 7 autour du
tambour 8 (pour atteindre la position représentée en traits interrompus).
Les écrous se déplacent tous deux suivant la flèche f4.Le premier écrou 11, en se déplaçant, entraíne la décompression du ressort 14, légèrement comprimé par le second écrou 13.Le pas du filetage 10 étant supérieur à celui du filetage 12, la course de l'écrou 11 est plus importante que celle de l'écrou 13, entraínant globalement une décompression du ressort 14.Cette décompression du ressort 14 libère ainsi l'énergie nécessaire à la compensation de la masse du tablier de la porte et selon un couple résultant sur l'arbre 9 sensiblement constant.L'ouverture de la porte s'en trouve ainsi facilitée. Si cette ouverture est réalisée manuellement, l'effort nécessaire pour lever le tablier 3 est moins important.Si l'ouverture est réalisée par un moteur, l'aide que constitue le dispositif 5 permet de diminuer la puissance du moteur.En outre, le dispositif 5 est réglable, et ce sur plusieurs niveaux. D'une part, en jouant sur le pas des filetages 10, 12, la vitesse relative de déplacement des écrous 11, 13, et donc leur course respective, varient.L'importance de la compression ou de la décompression du ressort 14 varie donc en conséquence.D'autre part, les caractéristiques intrinsèques de l'élément élastique (ressort ou autre) influent directement sur la compression et donc sur la quantité d'énergie transmise à l'arbre 9.Le dispositif est donc adaptable à tous types de porte à relevage vertical, de masse constante ou variant peu, et ce quelle que soit la masse du tablier.
Claims (7)
- Dispositif pour compenser la masse d'un objet lors d'un mouvement vertical ascendant ou descendant dû à la rotation d'un arbre (9) présentant deux filetages (10, 12), comportant un ressort (14) apte à être comprimé ou décomprimé entre deux butées (11, 13) mobiles en translation lors de la rotation de l'arbre (9), chaque butée (11, 13) étant constituée d'un écrou immobilisé en rotation, caractérisé en ce que les filetages (10, 12) réalisés sur l'arbre (9) possèdent un pas différent pour chacun des deux écrous (11, 13).
- Dispositif selon la revendication 1, caractérisé en ce que les filetages (10, 12) sont de même sens.
- Dispositif selon l'une des revendications précédentes, caractérisé en ce que le ressort (14) est engagé sur l'arbre (9).
- Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'il est associé à des moyens d'actionnement (6).
- Dispositif selon la revendication 4, caractérisé en ce que les moyens d'actionnement (6) comprennent un tambour (8).
- Dispositif selon l'une des revendications précédentes, caractérisé en ce que des moyens moteurs sont prévus pour actionner la rotation de l'arbre (9).
- Dispositif selon l'une des revendications précédentes, caractérisé en ce que qu'il est appliqué au relevage de porte à masse constante ou très peu variable.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0000242A FR2803588B1 (fr) | 2000-01-10 | 2000-01-10 | Dispositif de compensation pour porte a relevage vertical |
FR0000242 | 2000-01-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1116842A1 true EP1116842A1 (fr) | 2001-07-18 |
EP1116842B1 EP1116842B1 (fr) | 2004-01-02 |
Family
ID=8845747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01400030A Expired - Lifetime EP1116842B1 (fr) | 2000-01-10 | 2001-01-08 | Dispositif de compensation pour porte à relevage vertical |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1116842B1 (fr) |
AT (1) | ATE257209T1 (fr) |
DE (1) | DE60101637D1 (fr) |
FR (1) | FR2803588B1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1109354A (fr) * | 1954-10-07 | 1956-01-25 | Young Windows Ltd | Perfectionnements aux mécanismes équilibreurs pour fenêtres à châssis de glacescoulissant verticalement |
FR2673236A1 (fr) * | 1991-02-26 | 1992-08-28 | Kraemer Thierry | Dispositif de securite pour portes a rideau relevable. |
US5267416A (en) * | 1992-07-15 | 1993-12-07 | Caldwell Manufacturing Company | Window sash counterbalance with varying lift |
EP0909868A2 (fr) * | 1997-10-14 | 1999-04-21 | Box Control S.L. | Dispositif d'enroulement pour écrans |
-
2000
- 2000-01-10 FR FR0000242A patent/FR2803588B1/fr not_active Expired - Fee Related
-
2001
- 2001-01-08 EP EP01400030A patent/EP1116842B1/fr not_active Expired - Lifetime
- 2001-01-08 AT AT01400030T patent/ATE257209T1/de not_active IP Right Cessation
- 2001-01-08 DE DE60101637T patent/DE60101637D1/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1109354A (fr) * | 1954-10-07 | 1956-01-25 | Young Windows Ltd | Perfectionnements aux mécanismes équilibreurs pour fenêtres à châssis de glacescoulissant verticalement |
FR2673236A1 (fr) * | 1991-02-26 | 1992-08-28 | Kraemer Thierry | Dispositif de securite pour portes a rideau relevable. |
US5267416A (en) * | 1992-07-15 | 1993-12-07 | Caldwell Manufacturing Company | Window sash counterbalance with varying lift |
EP0909868A2 (fr) * | 1997-10-14 | 1999-04-21 | Box Control S.L. | Dispositif d'enroulement pour écrans |
Also Published As
Publication number | Publication date |
---|---|
EP1116842B1 (fr) | 2004-01-02 |
FR2803588B1 (fr) | 2002-04-12 |
DE60101637D1 (de) | 2004-02-05 |
FR2803588A1 (fr) | 2001-07-13 |
ATE257209T1 (de) | 2004-01-15 |
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