ES1067080U

ES1067080U - Fixing device (Machine-translation by Google Translate, not legally binding)

Info

Publication number: ES1067080U
Application number: ES200800125U
Authority: ES
Inventors: Javier Enrique Pelegrina
Original assignee: C A V Ventacan S L; Cav Ventacan Sl
Current assignee: C A V Ventacan S L; Cav Ventacan Sl
Priority date: 2008-01-23
Filing date: 2008-01-23
Publication date: 2008-04-16
Anticipated expiration: 2018-01-23
Also published as: ES1067080Y

Abstract

Fixation device, which is specially designed for the joining and fixing of two pieces, such as the board of a table to the structure of its legs, is characterized by being constituted by a one-piece body, of plastic nature, in the that a base or shield is defined to fix one of the pieces, from which emerge two symmetrical tabs in relation to a vertical and half plane imaginary of the base, tabiquillos that adopt an initially convergent configuration, to undergo a divergent kinking in the area intended coupling of the complementary piece, tabuquillos provided in correspondence with their free ends of respective external expansions determinantes of harpoons of triangular profile, being provided the second piece to unite, the opposite to the one of fixation of the plastic pieces cited, of windows positionally coinciding with said plastic pieces, windows of coincident or slightly higher length to the length of the free edge of the said tabs, and whose width is in turn equal to or slightly less than the spacing between said free edges, so that the coupling of the tabs in the corresponding window is produced by elastic deformation thereof. (Machine-translation by Google Translate, not legally binding)

Description

Dispositivo de fijación.Fixing device.

Object of the invention

La presente invención se refiere a un dispositivo de fijación, concretamente de fijación amovible, que ha sido especialmente concebido para la unión del tablero de una mesa a la estructura de las patas de la misma, pero que es igualmente aplicable a cualquier otro supuesto práctico donde sea necesario fijar dos piezas, con unas prestaciones similares a las del ejemplo citado.The present invention relates to a fixing device, specifically removable fixing, which has specially designed for joining the board of a table to the structure of the legs of it, but that is equally applicable to any other practical assumption where necessary fix two pieces, with similar performance to the example aforementioned.

El objeto de la invención es conseguir un montaje extraordinariamente rápido y sencillo de las piezas a unir, así como la posibilidad de independización entre dichas piezas, de análoga manera.The object of the invention is to achieve a extraordinarily fast and easy assembly of the pieces to be joined, as well as the possibility of independence between these pieces, of analogous way.

Description of the invention

Para ello y de forma más concreta el dispositivo que la invención propone consiste en un cuerpo monopieza, de naturaleza termoplástica, preferentemente obtenido por inyección, en el que se define una base o escudo plano, relativamente alargado, con orificios en sus extremos para paso de tornillos o remaches de fijación a una de las piezas a unir, escudo del que emergen centradamente dos tabiquillos que adoptan una disposición inicialmente convergente, para sufrir posteriormente un acodamiento que los hace notablemente divergentes hacia su extremidad libre, la cual se remata en una especie de arpón, mediante un ensanchamiento exterior y un bisel asimismo exterior determinante de un perfil triangular para la extremidad libre de cada tabiquillo.To do this and more specifically the device that the invention proposes consists of a single piece body, of thermoplastic nature, preferably obtained by injection, in which defines a flat base or shield, relatively elongated, with holes in its ends for the passage of screws or rivets of fixing to one of the pieces to join, shield from which they emerge centered two tabs that adopt a provision initially convergent, to subsequently undergo a bend which makes them remarkably divergent towards their free limb, the which is finished off in a kind of harpoon, by a widening exterior and a bevel also exterior determining a profile triangular for the free end of each tabique.

Como complemento de la estructura descrita, la otra pieza a unir incorpora una ventana de longitud igual o ligeramente superior a la longitud de dichos tabiquillos, y de anchura igual o ligeramente inferior a la existente entre el borde libre y extremo de dichos tabiquillos, de manera que basta con encarar éstos últimos a la ventana correspondiente y presionar una pieza con respecto a la otra, para que se produzca una deformación elástica de dichos tabiquillos, hasta una situación límite en la que los arpones definidos por los mismos quedan enclavados en los bordes de la complementaria ventana.As a complement to the structure described, the another piece to join incorporates a window of equal length or slightly longer than the length of said partitions, and of width equal to or slightly less than that between the edge free and extreme of such tabs, so that it is enough with face the latter to the corresponding window and press a piece with respect to the other, so that deformation occurs elastic of said tabs, up to a limit situation in which the harpoons defined by them are embedded in the edges from the complementary window.

De acuerdo con otra de las características de la invención, se ha previsto que en el escudo, concretamente sobre los extremos del mismo, sobre los orificios para paso de los tornillos de fijación de dicho escudo, se establezcan sendos relieves anulares, coincidentes con dichos orificios, de altura coincidente con la zona de los citados tabiquillos en la que éstos presentan su mínima separación entre sí, en orden a constituir elementos de apoyo para la pieza a unir que aseguren una perfecta estabilidad en la unión entre ambas piezas, eliminando cualquier juego que se pudiera producir entre ambas piezas.According to another of the characteristics of the invention, it is envisioned that on the shield, specifically on the ends thereof, over the screw holes of fixing said shield, two reliefs are established annular, coinciding with said holes, of coincident height with the area of the mentioned tabs in which they present their minimum separation from each other, in order to constitute supporting elements for the piece to be joined to ensure perfect stability in the union between both pieces, eliminating any game that could Produce between both pieces.

Para conseguir unos óptimos resultados prácticos, la citada pieza termoplástica será de alta dureza y rigidez, indeformable al calor, con una gran estabilidad química y estabilidad dimensional, elevada elasticidad de recuperación y buen comportamiento deslizante.To achieve optimal results practical, the aforementioned thermoplastic piece will be of high hardness and stiffness, non-deformable to heat, with great chemical stability and dimensional stability, high elasticity of recovery and good sliding behavior

Un termoplástico técnico que cumple con estos condicionantes, es un copolímero acetálico - "POM", altamente usado en prácticamente todos los sectores industriales.A technical thermoplastic that meets these conditioning factors, it is an acetal copolymer - "POM", highly Used in virtually all industrial sectors.

Description of the drawings

Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características del invento, de acuerdo con un ejemplo preferente de realización práctica del mismo, se acompaña como parte integrante de dicha descripción, un juego de dibujos en donde con carácter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being performing and in order to help a better understanding of the characteristics of the invention, according to a preferred example of practical realization of it, is accompanied as an integral part of said description, a set of drawings where with character Illustrative and not limiting, the following has been represented:

La figura 1.- Muestra, según una vista en perspectiva, la pieza termoplástica que participa en el dispositivo de fijación que constituye el objeto de la presente invención.Figure 1.- Shows, according to a view in perspective, the thermoplastic part that participates in the device of fixation that constitutes the object of the present invention.

La figura 2.- Muestra otra vista en perspectiva de la misma pieza.Figure 2.- Shows another perspective view of the same piece.

La figura 3.- Muestra una pieza como la de las figuras anteriores, debidamente fijadas a una de las piezas a unir con el dispositivo, ésta última representada esquemáticamente.Figure 3.- Shows a piece like that of the previous figures, duly fixed to one of the pieces to be joined with the device, the latter represented schematically.

La figura 4.- Muestra, finalmente, un detalle en sección del montaje entre piezas con el dispositivo de la invención.Figure 4.- Shows, finally, a detail in assembly section between parts with the device of the invention.

Preferred Embodiment of the Invention

A la vista de las figuras reseñadas, y en especial de la figura 1, puede observarse como el dispositivo de fijación que se preconiza consiste en un cuerpo monopieza en el que se define una base o escudo (1), sensiblemente aplanada, alargada, de extremos redondeados y provista cerca de dichos extremos de sendos orificios (2) para paso de los medios de fijación a una de las piezas (3) a unir, como la representada en la figura 3, y de manera que en función del tipo de material constitutivo de dicha pieza (3) en la misma existirá una embutición (4) o un rehundido, formal y dimensionalmente coincidente con dicha base o escudo (1), y como medios de fijación se utilizarán tornillos (5) rosca-chapa, tirafondos para madera, remaches, etc.In view of the figures outlined, and in special figure 1, can be seen as the device of fixation that is recommended consists of a single piece body in which a base or shield (1) is defined, substantially flattened, elongated, of rounded ends and provided near said ends of two holes (2) for passage of the fixing means to one of the pieces (3) to be joined, as shown in figure 3, and of so that depending on the type of constituent material of said piece (3) there will be a drawing (4) or a recess, formally and dimensionally coinciding with said base or shield (1), and screws (5) will be used as fixing means thread-plate, wood screws, rivets, etc.

De la zona media de la base o escudo (1) emergen dos tabiquillos (6), transversales, simétricos con respecto al plano perpendicular y medio a la base (1), que presentan un primer tramo oblicuo y convergente, coincidente con la propia referencia (6), y un segundo tramo divergente (7) hacia su borde libre, rematándose dichos tabiquillos (6) en respectivos arpones exteriores (8), actuantes como medios de enclavamiento, como se verá más adelante.From the middle area of the base or shield (1) emerge two partitions (6), transverse, symmetrical with respect to the plane perpendicular and middle to the base (1), which have a first section oblique and convergent, coinciding with the reference itself (6), and a second divergent section (7) towards its free edge, finishing off said tabs (6) in respective outer harpoons (8), acting as interlocking means, as will be seen more ahead.

Por su parte la segunda pieza (9) a unir, en situación de enfrentamiento a las citadas piezas de material termoplástico (1-6) y de acuerdo con la posición relativa de montaje entre las piezas (3) y (9) a unir, incorpora una o más ventanas (10), en función del número de dispositivos de fijación previstos entre ambas piezas, ventanas (10) de longitud igual o ligeramente superior a la del borde libre (7) de los tabiquillos (6), y de anchura a su vez igual o ligeramente inferior al distanciamiento entre los dos bordes (7) de ambos tabiquillos, de manera que en situación de enfrentamiento entre las piezas (3 y 4), el presionar la una sobre la otra se produce la introducción de los tabiquillos (6) en las ventanas (10), previa acusada deformación elástica de dichos tabiquillos y hasta una situación de bloqueo en la que los escalones definidos por los semi-arpones (8) se enclavan sobre los bordes correspondientes de las ventanas (10), coincidiendo con la cota mínima de separación prevista para ambos tabiquillos (6), con la particularidad de que centradamente a los orificios (2) para paso de los tornillos de fijación (5) se establecen relieves anulares (11), de diámetro interno acorde con el de los tornillos (5), y de altura tal que dichos relieves (11), conjuntamente con las cabezas de los tornillos, actúen como elementos de apoyo para la pieza (9) a fijar, estabilizándola sobre la cota mínima entre tabiquillos anteriormente citada, e impidiendo la existencia de juegos en el acoplamiento.On the other hand the second piece (9) to join, in situation of confrontation with the aforementioned pieces of material thermoplastic (1-6) and according to the position relative of assembly between the pieces (3) and (9) to join, incorporates a or more windows (10), depending on the number of devices fixing provided between both pieces, windows (10) in length equal to or slightly higher than the free edge (7) of the partitions (6), and in turn the same or slightly smaller width to the distance between the two edges (7) of both tabs, of so that in a situation of confrontation between the pieces (3 and 4), pressing one on the other the introduction of the partitions (6) in the windows (10), after a marked deformation elastic of said tabs and even a blocking situation in which the steps defined by the semi-harpoons (8) are locked on the corresponding edges of the windows (10), coinciding with the minimum separation level planned for both tabs (6), with the particularity that centered on the holes (2) for the passage of the fixing screws (5) are they establish annular reliefs (11), of internal diameter according to the of the screws (5), and of height such that said reliefs (11), together with the screw heads, act as support elements for the part (9) to be fixed, stabilizing it on the minimum level between tabs mentioned above, and preventing the existence of games in the link.

Solo resta señalar por último que, como ya se ha mencionado con anterioridad, la pieza de las figura 1 y 2 estará fabricada con un material termoplástico técnico, concretamente con copolímero acetálico (POM), que ofrece las siguientes características:It only remains to point out finally that, as has already been mentioned above, the piece of figures 1 and 2 will be manufactured with a technical thermoplastic material, specifically with acetal copolymer (POM), which offers the following features:

--: Alta tenacidad (hasta -40ºC)high toughness (up to -40ºC)

--: Alta durezahigh hardness

--: Alta rigidezhigh rigidity

--: Excelente indeformabilidad al calorExcellent indeformability at hot

--: Favorable comportamiento eléctrico y dieléctricoFavorable electrical behavior and dielectric

--: Gran estabilidad química, p. Ej. frente a disolventes, combustibles, álcalis fuertes, cinc (chapa galbanizada)Great chemical stability, p. Eg against solvents, fuels, strong alkalis, zinc (galvanized sheet)

--: Agrietamiento por tensión nuloNull tension cracking

--: Alta elasticidad de recuperaciónhigh recovery elasticity

--: Buen comportamiento deslizanteGood sliding behavior

--: Alta estabilidad dimensionalhigh dimensional stability

Claims

1. Fixing device, which being specially designed for joining and fixing two pieces, such as the tabletop of a table to the structure of its legs, is characterized by being constituted by a single-piece body, of a plastic nature, in the that a base or shield of fixation to one of the pieces is defined, from which two symmetrical partitions emerge with respect to an imaginary vertical and middle plane of the base, partitions that adopt an initially convergent configuration, to suffer a divergent bending in the area provided for the coupling of the complementary piece, partitions provided in correspondence with their free ends of two external expansions determining harpoons of triangular profile, the second piece to be joined being provided, the opposite to that of fixing the aforementioned plastic parts, of positional windows coinciding with said plastic parts, windows of coincident length or slightly greater than at the length of the free edge of said partitions, and whose width is in turn equal to or slightly less than the distance between said free edges, so that the coupling of the partitions in the corresponding window is produced by elastic deformation thereof.

2. Fixing device according to claim 1, characterized in that the base or shield of the plastic part is substantially flat, elongated, with rounded ends, with holes close at its ends for passage of the fixing means, while the piece to be joined , receiver of said plastic parts, incorporates a recess or a drawing formally and dimensionally coinciding with said base, to which it receives and fixes with the collaboration of screws, rivets, or other appropriate means.

3. Fixing device, according to previous claims, characterized in that annular reliefs, of internal diameter according to the heads of the fixing means, and of height coinciding with the point are established on the holes for passage of said shielding means. minimum separation between the coupling partitions that emerge from the middle area of the shield.

4. Fixing device according to previous claims, characterized in that said plastic part is made of acetal copolymer (POM).