ES1188233U - Screwdriver with polygonal head (Machine-translation by Google Translate, not legally binding) - Google Patents

Screwdriver with polygonal head (Machine-translation by Google Translate, not legally binding) Download PDF

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Publication number
ES1188233U
ES1188233U ES201700266U ES201700266U ES1188233U ES 1188233 U ES1188233 U ES 1188233U ES 201700266 U ES201700266 U ES 201700266U ES 201700266 U ES201700266 U ES 201700266U ES 1188233 U ES1188233 U ES 1188233U
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screwdriver
head
conical surfaces
central axis
polygonal
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ES201700266U
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Spanish (es)
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ES1188233Y (en
Inventor
Francisco Raúl HERNANDO MITGE
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Individual
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Abstract

Screwdriver with polygonal head (1), characterized in that it is provided with a neck (3), a stem (2), a polygonal head (4), a contra-angle adjustment (46) or a handpiece and a handle (47), where the head (4) is provided with: - flat surfaces (40) that are in the same number as the surfaces of the shank of the shank (2) and extend parallel to the central axis (1) of the screwdriver. - first vertically aligned conical surfaces (41, 42) which are located on the vertical edges, respectively, of the flat surfaces (40). - second vertically aligned conical surfaces (43, 44), on the vertical edges of the conical surfaces (41, 42), the first conical surfaces (41, 42) and the second conical surfaces (43, 44) gradually decrease toward the head (4) of the screwdriver from its central part to then extend in the continuation of each flat surface (40) towards the central axis screwdriver. - edge surfaces (45) extending from and in the same number as the first conical surfaces (41, 42) and the second conical surfaces (43, 44) vertically downwards, and converging on the central axis of the screwdriver . (Machine-translation by Google Translate, not legally binding)

Description

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DESCRIPCIONDESCRIPTION

Destornillador con cabeza poligonal.Screwdriver with polygonal head.

Objeto de la invencionObject of the invention

El objeto principal del presente modelo de utilidad es un destornillador con cabeza poligonal para tornillos de fijacion de aditamentos dentales.The main object of this utility model is a screwdriver with a polygonal head for fixing screws for dental attachments.

Que aumenta considerablemente el ajuste y durabilidad ante la deformacion, especialmente disenado para el uso en el entorno cllnico odontologico y laboratorio protesico, el destornillador ofrece y facilita el trabajo que se adapta a los distintos angulos de trabajo que se requiera segun el aditamento dental a colocar al paciente.That considerably increases the adjustment and durability to deformation, especially designed for use in the dental and clinical laboratory, the screwdriver offers and facilitates the work that adapts to the different work angles that are required according to the dental attachment to be placed to the patient.

Antecedentes de la invencionBackground of the invention

Este tipo destornillador con cabeza poligonal utilizado hasta ahora se ejemplifica en la Fig. 9. Destornillador con cabeza poligonal comprende un vastago (101), un cuello (102) y una cabeza (103) formada integralmente y coaxial mente entre si a lo largo del eje central (100). La cabeza (103) tiene superficies curvadas (104) en el mismo numero que las superficies correspondientes de la espiga (101), el centro de curvatura de las superficies curvadas (104) que se encuentra en el eje central (100) y la superficie del cuello (102) esta curvada hacia el interior.This type of screwdriver with polygonal head used so far is exemplified in Fig. 9. Screwdriver with polygonal head comprises a shank (101), a neck (102) and a head (103) formed integrally and coaxially with each other along the central axis (100). The head (103) has curved surfaces (104) in the same number as the corresponding surfaces of the spike (101), the center of curvature of the curved surfaces (104) located in the central axis (100) and the surface of the neck (102) is curved inwards.

Destornillador de cabeza poligonal puede ser utilizado como se ve (103) en el tornillo de cabeza hueca hexagonal (105) con el eje central del destornillador esta alineado con el eje central (106) del tornillo (105), y en un segundo modo, como se muestra la figura (10), con el eje central (100) estan inclinadas en la medida de (a1) inclinacion del eje central del tornillo (106).Polygonal head screwdriver can be used as seen (103) in the hexagonal socket head screw (105) with the central axis of the screwdriver being aligned with the central axis (106) of the screw (105), and in a second way, as shown in figure (10), with the central axis (100) they are inclined to the extent of (a1) inclination of the central axis of the screw (106).

En uno u otro modo de uso, el destornillador convencional tiene areas de contacto simplemente mas pequenas entre las superficies curvadas (104) de la cabeza (103) y la superficie interior del perno (105). Las superficies curvas (104) para ponerse en contacto con la superficie interior del perno (107) estan relativamente usados facilmente debido a la repetida uso del destornillador, de modo que el destornillador tendra deslizamiento relativo entre las superficies curvadas (104) y la superficie interior (107) y no producen aligeramiento de par y la liberacion de torque. Cuando las superficies curvas (104) son mas desgastadas, el destornillador se ejecuta inactivo a ser inutilizable. Esto es, el destornillador de cabeza poligonal convencional tiene el problema de un breve lapso de vida.In one or another mode of use, the conventional screwdriver has simply smaller contact areas between the curved surfaces (104) of the head (103) and the inner surface of the bolt (105). The curved surfaces (104) for contacting the inner surface of the bolt (107) are relatively easily used due to the repeated use of the screwdriver, so that the screwdriver will have relative sliding between the curved surfaces (104) and the inner surface (107) and do not produce torque lightening and torque release. When curved surfaces (104) are more worn, the screwdriver runs idle to be unusable. That is, the conventional polygonal screwdriver has the problem of a short life span.

Otro destornillador de con cabeza poligonal que se ha propuesto en la publication de modelo de utilidad japones numero Sho 60-19895 se ejemplifica en la Fig. 11. El destornillador de con cabeza poligonal comprende un vastago (201), un cuello (202) y una cabeza (203) formada integralmente y coaxialmente entre si a lo largo del eje central (200). La cabeza (203) ha curvado las superficies (204) en el mismo numero que las superficies correspondientes de la espiga (201), superficies planas (205) que se extiende en paralelo al eje central (200) y las superficies (206) que se extiende de forma oblicua con respecto al eje central (200) el centro de curvatura de las superficies curvadas (2049 se fijan en un punto desplazado del eje central (200) el inclinada superficies planas inclinadas (206) mas cerca del eje central (200) como que se extiende hasta el cuello (202), y las superficies de la inclinacion del cuello (202) mas lejos del eje central (200) que se extiende como al vastago (201).Another screwdriver with a polygonal head that has been proposed in the Japanese utility model publication number Sho 60-19895 is exemplified in Fig. 11. The screwdriver with a polygonal head comprises a shank (201), a neck (202) and a head (203) formed integrally and coaxially with each other along the central axis (200). The head (203) has curved the surfaces (204) in the same number as the corresponding surfaces of the pin (201), flat surfaces (205) extending parallel to the central axis (200) and the surfaces (206) that the center of curvature of the curved surfaces (2049) is fixed obliquely with respect to the central axis (200) at an offset point of the central axis (200) the inclined inclined flat surfaces (206) closer to the central axis (200 ) as extending to the neck (202), and the surfaces of the neck inclination (202) farther from the central axis (200) extending like the rod (201).

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Este destornillador con cabeza poligonal hace, de manera similar con el destornillador anterior se muestra en las Figs. 9 y 10, tienen areas de contacto simplemente mas pequenas entre las superficies planas inclinadas (206) de la cabeza (203) y la superficie, interno del tornillo de cabeza hueca hexagonal (105). Esto es porque incluso cuando dicho destornillador esta disenado de la cabeza (203) para permitir que el destornillador para ser utilizable con el eje central (200) esta inclinada formando inclination relativamente grande (30°) con respecto al eje central (106) del perno (105), la llave tiene solo las superficies planas inclinadas (206) entre las superficies planas (205) y el cuello (202). Cuando la cabeza (203) esta disenado de otra manera para permitir que el destornillador sea utilizable con el eje central (200) esta inclinado en inclinacion a 2 (15°) con respecto al eje central del tornillo (106) como se muestra en la Fig. 12, las superficies curvadas (204) y las superficies planas inclinadas (206) convertido en gran medida diferentes unos de otros en sus areas de contacto con la superficie interior (107) del tornillo de cabeza hueca hexagonal (105). Tal desequilibrio de las areas de contacto conduce a mayor desgaste de las superficies curvas (204) que tiene areas de contacto mas pequenas, lo que resulta en una vida corta del destornillador de con cabeza poligonal. Es decir, el destornillador de con cabeza poligonal propuesto en la referencia japonesa tiene el mismo problema de un breve lapso de vida como de las figuras llave mostrada convencionales anteriores, Figs 9 y 10.This screwdriver with polygonal head does, similarly with the previous screwdriver shown in Figs. 9 and 10, have simply smaller contact areas between the inclined flat surfaces (206) of the head (203) and the inner surface of the hexagonal hollow head screw (105). This is because even when said screwdriver is designed from the head (203) to allow the screwdriver to be usable with the central axis (200) is inclined forming relatively large inclination (30 °) with respect to the central axis (106) of the bolt (105), the key has only the inclined flat surfaces (206) between the flat surfaces (205) and the neck (202). When the head (203) is otherwise designed to allow the screwdriver to be usable with the central axis (200) it is inclined at an inclination at 2 (15 °) with respect to the central axis of the screw (106) as shown in the Fig. 12, the curved surfaces (204) and the inclined flat surfaces (206) become largely different from each other in their areas of contact with the inner surface (107) of the hexagonal hollow head screw (105). Such an imbalance of the contact areas leads to greater wear of the curved surfaces (204) that has smaller contact areas, resulting in a short life of the polygonal head screwdriver. That is, the polygonal head screwdriver proposed in the Japanese reference has the same problem of a short life span as of the conventional key figures shown above, Figs 9 and 10.

Description de la inventionDescription of the invention

La presente invencion se ha disenado para superar los problemas anteriores creados en el destornillador convencional con cabeza poligonal.The present invention has been designed to overcome the above problems created in the conventional screwdriver with polygonal head.

Un objeto de la presente invencion es proporcionar un destornillador de con cabeza poligonal que cuando se utiliza con su eje central esta inclinado con respecto al eje central del correspondiente perno de cabeza hueca puede tener zonas de contacto entre la cabeza del destornillador y la superficie interior correspondiente de la cabeza. El destornillador de cabeza poligonal tambien evita desequilibrio ocurrencia entre areas de contacto especlficos para haber mejorado la resistencia al desgaste, lo que permite mantener por mucho tiempo el apriete y la liberation del tornillo de cabeza hueca con un par torque mas grande.An object of the present invention is to provide a screwdriver with a polygonal head which, when used with its central axis, is inclined with respect to the central axis of the corresponding hollow head bolt, may have contact areas between the screwdriver head and the corresponding inner surface. of the head. The polygonal head screwdriver also prevents imbalance occurrence between specific contact areas to have improved wear resistance, which allows for a long time to maintain the tightening and releasing of the hollow head screw with a larger torque.

Otro objeto de la presente invencion es proporcionar un destornillador de con cabeza poligonal que cuando se utiliza con variada inclinacion de su eje central con respecto al eje central del hueco de la cabeza hueca se puede mantener las areas de contacto mas grande con el mismo para tener una mejor resistencia al desgaste.Another object of the present invention is to provide a screwdriver with a polygonal head which, when used with varied inclination of its central axis with respect to the central axis of the hollow head hollow, can maintain the largest contact areas therewith in order to have Better wear resistance.

Un destornillador de cabeza poligonal de acuerdo con un principal invencion para la consecution de los objetos antes mencionados es un destornillador de con cabeza poligonal que comprende un vastago, un cuello y una cabeza formada integral y coaxialmente entre si a lo largo de un eje central, la parte de cabeza esta provista de:A polygonal head screwdriver according to a main invention for the achievement of the aforementioned objects is a screwdriver with a polygonal head comprising a shank, a neck and a head formed integral and coaxially with each other along a central axis, the head part is provided with:

una pluralidad de superficies planas que se extienden en paralelo al eje central del destornillador; una pluralidad de primeras superficies conicas alineados verticalmente y una pluralidad de superficies alineadas verticalmente segundo conicos, las primeras superficies conicas y las segundas superficies conicas son proporcionados por disminuyendo gradualmente la cabeza del destornillador de su medio para extenderse en la continuation de cada superficie plana hacia el destornillador centro eje y formado verticalmente o de forma simetrica con respecto a un eje transversal que se extiende perpendicularmente al eje central del destornillador a traves de los centros de las superficies planas en su extension a lo largo del destornillador de eje central, y superficies de borde que se extienden desde y en el mismo numero que de las segundasa plurality of flat surfaces extending parallel to the central axis of the screwdriver; a plurality of first vertically aligned conical surfaces and a plurality of vertically aligned second conical surfaces, the first conical surfaces and the second conical surfaces are provided by gradually decreasing the head of the screwdriver of its means to extend in the continuation of each flat surface towards the screwdriver center axis and formed vertically or symmetrically with respect to a transverse axis that extends perpendicularly to the central axis of the screwdriver through the centers of the flat surfaces at its extension along the central axis screwdriver, and edge surfaces that extend from and in the same number as the second

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superficies conicas verticalmente inferiores de la pluralidad de segundas superficies conicas alineados verticalmente y convergen en el eje central del destornillador.vertically inferior conical surfaces of the plurality of second vertically aligned conical surfaces and converge on the central axis of the screwdriver.

De acuerdo con el destornillador con cabeza poligonal construido como anteriormente, de una manera tal uso del destornillador que la cabeza es encajar en un tornillo de cabeza hueca con el eje central del destornillador esta alineado con el del tornillo de cabeza hueca, toda la pluralidad de planos: superficies se ponen en contacto con la superficie interior de la cabeza del tornillo. Tambien, en otro uso de manera que la cabeza esta en forma en el tornillo con el eje central del destornillador esta inclinado a su maxima inclination con respecto al eje central del tornillo, seleccionados entre la pluralidad de segundas superficies conicas alineados verticalmente se ponen en contacto con el interior superficie de la cabeza del tornillo. En un tercer modo de usar que la cabeza es en forma en el tornillo con el eje central del destornillador esta inclinado en menor inclinacion con respecto al eje central del tornillo, seleccionados entre la pluralidad de primeras superficies conicas alineados verticalmente se ponen en contacto con la cabeza del tornillo superficie interior.According to the polygonal head screwdriver constructed as before, in such a way that the screwdriver is used so that the head is to fit in a hollow head screw with the central axis of the screwdriver is aligned with that of the hollow head screw, the entire plurality of planes: surfaces are brought into contact with the inner surface of the screw head. Also, in another use so that the head is shaped in the screw with the central axis of the screwdriver is inclined at its maximum inclination with respect to the central axis of the screw, selected from the plurality of second vertically aligned conical surfaces are brought into contact. with the inside surface of the screw head. In a third way of using that the head is in shape in the screw with the central axis of the screwdriver is inclined at a lower inclination with respect to the central axis of the screw, selected from the plurality of first vertically aligned conical surfaces are brought into contact with the screw head inner surface.

Por lo tanto, la presente invention proporciona areas de contacto mayor entre la cabeza del destornillador y el tornillo correspondiente para mejorar la resistencia al desgaste en la cabeza del destornillador, lo que se consigue una larga vida del destornillador con su mayor duration de servicio.Therefore, the present invention provides greater contact areas between the head of the screwdriver and the corresponding screw to improve the wear resistance in the head of the screwdriver, which achieves a long life of the screwdriver with its longer service life.

El destornillador con cabeza poligonal de acuerdo con la presente invencion esta construido de tal manera sobre la base del principal invencion que la extension de las superficies a lo largo del eje central llave se ajusta a valores que se obtienen por la formula 2 x V (B / 2)2 " (A / 2)2 (en la que a es un intervalo entre las superficies planas opuestas, y B es un intervalo entre las superficies interiores opuestas del tornillo de cabeza hueca) y la de las primeras superficies conicas a los de la formula V {(B / 2) - (a x cosp / 2)}2 + (a x sinp / 2)2 (en la que p es alfa-Y, a es la inclinacion maxima del destornillador con cabeza poligonal, y y es la inclinacion de una llnea inclinada que conecta una intersection entre destornillador eje central y el eje transversal con la superficie plana en un extremo de su extension a lo largo del eje central del destornillador con respecto al eje transversal), y los angulos de inclinacion de las segundas superficies conicas se establecen en el mismo valor que de inclinacion maxima del destornillador eje central, y una mayor extension de las segundas superficies conicas, que encuentran cerca de las superficies de borde, a lo largo del eje central del destornillador se fija para tener un valor tal maxima que cuando el destornillador con cabeza poligonal es encajar en un tornillo de cabeza hueca correspondiente con el destornillador con el centro de eje esta inclinado a su maxima inclinacion con respecto a un eje central del tornillo, esas segundas superficies conicas cerca de las superficies de borde no entran en contacto en sus extremos inferiores con la parte inferior de la superficie interior del tornillo de cabeza hueca y las segundas superficies conicas cerca del cuello del destornillador puede estar en contacto contra la superficie interior del tornillo de cabeza hueca.The screwdriver with polygonal head according to the present invention is constructed in such a way on the basis of the main invention that the extension of the surfaces along the central key axis is adjusted to values obtained by the formula 2 x V (B / 2) 2 "(A / 2) 2 (where a is a range between the opposite flat surfaces, and B is a range between the opposite inner surfaces of the hollow head screw) and that of the first conical surfaces to the of the formula V {(B / 2) - (ax cosp / 2)} 2 + (ax sinp / 2) 2 (where p is alpha-Y, a is the maximum inclination of the screwdriver with polygonal head, and y is the inclination of an inclined line that connects an intersection between the central axis screwdriver and the transverse axis with the flat surface at one end of its extension along the central axis of the screwdriver with respect to the transverse axis), and the inclination angles of the second conical surfaces are established in the mi The value of the maximum inclination of the central axis screwdriver, and a greater extent of the second conical surfaces, which are located near the edge surfaces, along the central axis of the screwdriver is set to have a value as maximum as when the screwdriver with polygonal head is to fit in a corresponding hollow head screw with the screwdriver with the axis center is inclined at its maximum inclination with respect to a central axis of the screw, those second conical surfaces near the edge surfaces do not come into contact in its lower ends with the lower part of the inner surface of the hollow head screw and the second conical surfaces near the neck of the screwdriver may be in contact against the inner surface of the hollow head screw.

De acuerdo con el destornillador con cabeza poligonal construido como anteriormente, el uso del destornillador con su eje central esta inclinado a su maxima inclinacion con respecto a un eje central de un tornillo de cabeza hueca correspondiente puede ser habilitado por la caracterlsticas que las seleccionadas entre la pluralidad de alineado verticalmente segundas superficies conicas se pueden poner en contacto con la superficie interior de la cabeza del tornillo. Tambien, el uso del destornillador con cabeza poligonal con su eje central esta inclinado en inclinacion mas pequena que la maxima con respecto a un eje central de la correspondiente tornillo de cabeza hueca puede ser habilitado por la caracterlstica de que las seleccionadas entre la pluralidad de primerasAccording to the screwdriver with a polygonal head constructed as before, the use of the screwdriver with its central axis is inclined at its maximum inclination with respect to a central axis of a corresponding hollow head screw can be enabled by the characteristics selected from the plurality of vertically aligned second conical surfaces can be brought into contact with the inner surface of the screw head. Also, the use of the screwdriver with a polygonal head with its central axis is inclined at a smaller inclination than the maximum with respect to a central axis of the corresponding hollow head screw can be enabled by the characteristic that those selected from the plurality of first

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superficies conicas alineadas verticalmente puede ser puesta en contacto con la superficie interior de la cabeza del tornillo.vertically aligned conical surfaces can be brought into contact with the inner surface of the screw head.

Descripcion de los dibujosDescription of the drawings

Fig. 1 es una vista frontal que muestra un ejemplo del destornillador con cabeza poligonal de acuerdo con la presente invencion.Fig. 1 is a front view showing an example of the screwdriver with a polygonal head according to the present invention.

Fig. 2 es una vista inferior de la misma.Fig. 2 is a bottom view of it.

Fig. 3 es una vista en seccion que muestra un correspondiente del tornillo de cabeza hexagonal donde encaja destornillador de acuerdo con la presente invention.Fig. 3 is a sectional view showing a corresponding hexagon head screw where screwdriver fits according to the present invention.

Fig. 4 es una seccion transversal de la cabeza del destornillador que ajusta en la cabeza del tornillo correspondiente.Fig. 4 is a cross section of the screwdriver head that fits into the corresponding screw head.

Fig. 5 es una vista en seccion que muestra una relation entre el interior de la cabeza del tornillo y la cabeza del destornillador.Fig. 5 is a sectional view showing a relationship between the inside of the screw head and the screwdriver head.

Fig. 6 es una vista en seccion que muestra un ejemplo del destornillador encajado en uso.Fig. 6 is a sectional view showing an example of the screwdriver fitted in use.

Fig. 7 es una vista en seccion que muestra otro ejemplo del destornillador en uso.Fig. 7 is a sectional view showing another example of the screwdriver in use.

Fig. 8 es una vista en seccion que muestra un ejemplo modificado adicional del destornillador de con cabeza poligonal en uso.Fig. 8 is a sectional view showing a further modified example of the screwdriver with a polygonal head in use.

Fig. 9 es una vista en seccion que muestra un destornillador poligonal cabeza convencional en uso.Fig. 9 is a sectional view showing a conventional head polygonal screwdriver in use.

Fig. 10 es una vista en seccion que muestra otro uso del destornillador mostrada en la figura 9.Fig. 10 is a sectional view showing another use of the screwdriver shown in Figure 9.

Fig. 11 es una vista en seccion que muestra otro destornillador poligonal cabeza convencional en uso.Fig. 11 is a sectional view showing another conventional head polygonal screwdriver in use.

Fig. 12 es una vista en seccion que muestra otro uso del destornillador mostrada en la figura 11.Fig. 12 is a sectional view showing another use of the screwdriver shown in Figure 11.

Fig. 13 composition completa de destornillador dental con anclaje para contra-angulo dental (46).Fig. 13 complete composition of dental screwdriver with anchor for dental contra-angle (46).

Fig. 14 composicion completa de destornillador dental con mango digital (47).Fig. 14 complete composition of dental screwdriver with digital handle (47).

Realization preferente de la invencionPreferred realization of the invention

El destornillador con cabeza poligonal se muestra en las Figs. 1 y 2 comprenden un vastago (2), un cuello (3) y una cabeza (4) formada integralmente y coaxialmente entre si a lo largo del eje central 1 y tiene una seccion transversal de hexagono regular.The screwdriver with polygonal head is shown in Figs. 1 and 2 comprise a rod (2), a neck (3) and a head (4) formed integrally and coaxially with each other along the central axis 1 and has a regular hexagon cross section.

La cabeza (4) esta provista de superficies planas (40) que estan en el mismo numero que el de las superficies de la espiga (2), se extienden en paralelo al eje central (1) del destornillador; primeras superficies conicas alineados verticalmente (41, 42) y se encuentran en los bordes verticales, respectivamente, de superficies planas (40)The head (4) is provided with flat surfaces (40) that are in the same number as that of the shank surfaces (2), extend parallel to the central axis (1) of the screwdriver; first vertically aligned conical surfaces (41, 42) and are located on the vertical edges, respectively, of flat surfaces (40)

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segundas superficies conicas alineados verticalmente (43, 44), estan en los bordes verticales, respectivamente, de superficies conicas (41, 42), la primera y segunda tal superficies conicas que estan en el mismo numero, las primeras superficies conicas (41, 42) en y las segundas superficies conicas (43, 44) respectivamente, disminuyendo gradualmente la cabeza del destornillador (4) de su medio para extenderse en la continuation de cada superficie plana (40) hacia el eje central destornillador (1) y, dependiendo del angulo y la direction de inclination del destornillador con relation al tornillo de cabeza hueca que se apretar o aflojar de forma pareja vertical y simetricamente con respecto a un eje transversal (5) que se extiende perpendicularmente al destornillador eje central (1) a traves de los centros de las superficies planas (40) en su extension a lo largo de la llave eje central (1) y superficies de borde (45) que se extienden desde y en el mismo numero que de las superficies verticalmente bajo, segundo conicos (44) de verticalmente alineados segunda superficies conicas (43, 44) y convergen en el eje central del destornillador (1). El cuello (3) comprende terceros superficies conicas (20) que se extienden desde y en el mismo numero que de la segunda conica superior las superficies (43) en el vastago (2) de tal manera de ser mas lejos del eje central (1) como que se extiende a la espiga (2).second vertically aligned conical surfaces (43, 44), are on the vertical edges, respectively, of conical surfaces (41, 42), the first and second such conical surfaces that are in the same number, the first conical surfaces (41, 42 ) on and the second conical surfaces (43, 44) respectively, gradually decreasing the head of the screwdriver (4) of its means to extend in the continuation of each flat surface (40) towards the central screwdriver shaft (1) and, depending on the angle and the direction of inclination of the screwdriver in relation to the hollow head screw that is tightened or loosen evenly vertically and symmetrically with respect to a transverse axis (5) that extends perpendicularly to the central axis screwdriver (1) through the centers of the flat surfaces (40) in their extension along the central axis key (1) and edge surfaces (45) that extend from and in the same number as the surfaces see Tically low, second conics (44) of vertically aligned second conical surfaces (43, 44) and converge on the central axis of the screwdriver (1). The neck (3) comprises third conical surfaces (20) that extend from and in the same number as the second upper conic surfaces (43) in the rod (2) in such a way to be further from the central axis (1 ) as extending to the spike (2).

Extension de las superficies planas (40), primero conico superficies (41, 42) y la segunda superficies conicas (43, 44) a lo largo del eje central (1) colateral a la inclinacion disponible del eje central (1) del destornillador en uso. Ademas, el destornillador con cabeza poligonal Fig. 1, puede ser utilizable de tal manera que la cabeza esta en forma en un tornillo de cabeza hueca hexagonal (6) se muestra en la Fig. 3 con el eje central (1) esta alineado con el eje central (7) del tornillo (6), y tambien en otra forma con el eje central (1) estan inclinadas con respecto al tornillo del eje central (7). En cualquier uso, se requiere al destornillador para ser minuciosamente y precisamente disenado en tamanos de partes especlficas de la cabeza con el fin de tener posibles secciones mas grandes de la zona de contacto para ponerse en contacto con la superficie interior (8) del tornillo (6).Extension of the flat surfaces (40), first conical surfaces (41, 42) and the second conical surfaces (43, 44) along the central axis (1) collateral to the available inclination of the central axis (1) of the screwdriver in use. In addition, the screwdriver with polygonal head Fig. 1, can be used in such a way that the head is shaped in a hexagonal hollow head screw (6) shown in Fig. 3 with the central axis (1) is aligned with the central axis (7) of the screw (6), and also in another way with the central axis (1) are inclined with respect to the screw of the central axis (7). In any use, the screwdriver is required to be thoroughly and precisely designed in sizes of specific parts of the head in order to have possible larger sections of the contact area to contact the inner surface (8) of the screw ( 6).

Los valores mlnimos de los intervalos B entre las superficies interiores opuestas (8) y las profundidades C de las superficies interiores del tornillo de cabeza hueca hexagonal (6) se muestra en las Figs. 3 y 4 se definen por la norma JIS. Relacion entre los intervalos B entre las superficies interiores opuestas (8) y la profundidad C de la superficie interior (8), los intervalos A entre opuesta superficies planas (40) a la cabeza (4) y la maxima inclinacion (a) del destornillador eje central (1) con respecto al eje central (7) del tornillo (6) se detallara con referencia a la Fig. 5.The minimum values of the intervals B between the opposite inner surfaces (8) and the depths C of the inner surfaces of the hexagonal socket head screw (6) are shown in Figs. 3 and 4 are defined by the JIS standard. Relationship between the intervals B between the opposite inner surfaces (8) and the depth C of the inner surface (8), the intervals A between opposite flat surfaces (40) to the head (4) and the maximum inclination (a) of the screwdriver central axis (1) with respect to the central axis (7) of the screw (6) will be detailed with reference to Fig. 5.

La extension de las superficies planas (40) a lo largo del eje central (1) (denominado a continuacion la "extension") es deseable que sea lo mas grande posible con el fin de mejorar las propiedades de resistencia al desgaste. Sin embargo, cuando la "extension" de las superficies planas 40 se hace demasiado grande, el destornillador esta en uso les hara desistir de ser sesgada debido al tope de los dos extremos Q1, Q2 de las superficies planas (40) en la direccion de su "extension" en contra el tornillo en la superficie interior 8 antes de que el eje central (1) esta inclinada en maxima inclinacion (a). Por lo tanto, la "extension" de la superficie plana (40) esta sujeta a la limitation en el diseno en consecuencia, y se establece, dentro del rango limitado, a los valores basados en los valores maximos definidos por la formula 2 x V (B / 2)2 - (A / 2)2.The extension of the flat surfaces (40) along the central axis (1) (hereafter referred to as the "extension") is desirable to be as large as possible in order to improve the wear resistance properties. However, when the "extension" of the flat surfaces 40 becomes too large, the screwdriver in use will cause them to give up being biased due to the stop of the two ends Q1, Q2 of the flat surfaces (40) in the direction of its "extension" against the screw on the inner surface 8 before the central axis (1) is inclined at maximum inclination (a). Therefore, the "extension" of the flat surface (40) is subject to the limitation in the design accordingly, and is established, within the limited range, to the values based on the maximum values defined by the 2 x V formula (B / 2) 2 - (A / 2) 2.

Ademas, la "extension" de la primera conico superficies (41, 42) es deseable que sea lo mas grande posible con el fin de mejorar las propiedades de resistencia al desgaste. Sin embargo, cuando la "extension" de las primeras superficies conicas (41, 42) se hace demasiado grande, el destornillador en uso se podra impedir que inclinado debido a tope de los dos extremos de las primeras superficies conicas (41, 42) en la direccion de su "extension" contra, la superficie interior (8) del tornillo antes de el eje central (1) estaIn addition, the "extension" of the first conical surfaces (41, 42) is desirable to be as large as possible in order to improve the wear resistance properties. However, when the "extension" of the first conical surfaces (41, 42) becomes too large, the screwdriver in use may be prevented from tilting due to abutment of the two ends of the first conical surfaces (41, 42) in the direction of its "extension" against, the inner surface (8) of the screw before the central axis (1) is

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inclinada en maxima inclination (a). Por lo tanto, la "extension" de las primeras superficies conicas (41, 42) es, por lo tanto, sujetos a limitaciones de diseno, y se encuentra, dentro de la gama limitada, a los valores basados en los valores maximos definidos por la formula V {(B / 2) - (A x cosp / 2)}2 + (A x sinp / 2)2, p es a-Y, y (y) es la inclinacion de una llnea inclinada (9) que conecta una intersection 0 entre el destornillador de eje central (1) y el eje transversal (5) con la superficie plana (40) en uno Q2 fin en su "extension" con respecto al eje transversal (5).inclined in maximum inclination (a). Therefore, the "extension" of the first conical surfaces (41, 42) is, therefore, subject to design limitations, and is, within the limited range, to values based on the maximum values defined by the formula V {(B / 2) - (A x cosp / 2)} 2 + (A x sinp / 2) 2, p is aY, and (y) is the inclination of an inclined line (9) that connects a intersection 0 between the central axis screwdriver (1) and the transverse axis (5) with the flat surface (40) in a Q2 end at its "extension" with respect to the transverse axis (5).

Ajuste de la "extension" de las primeras superficies conicas (41, 42) en base a la formula anterior determina angulos inclinacion de la primera superficie conica (41, 42) con respecto al eje central del destornillador (1).Adjusting the "extension" of the first conical surfaces (41, 42) based on the above formula determines angles of inclination of the first conical surface (41, 42) with respect to the central axis of the screwdriver (1).

Inclinacion maxima de angulos de un 0 de las segundas superficies conicas (43, 44) con respecto al destornillador de eje central (1) esta ajustado a valores iguales a la a inclinacion maxima del eje central (1). Es decir, puesto que la inclinacion maxima angulos a0 de la segunda conico las superficies (43, 44) son ligeramente mas grandes que el de las primeras superficies conicas (41, 42), la primera y segunda superficies conicas (41, 42 y 43, 44) estan dispuestos en serie para ser gradualmente mas cerca del eje central (1).Maximum angle inclination of a 0 of the second conical surfaces (43, 44) with respect to the central axis screwdriver (1) is set to values equal to the maximum inclination of the central axis (1). That is, since the maximum inclination angles a0 of the second conical surfaces (43, 44) are slightly larger than that of the first conical surfaces (41, 42), the first and second conical surfaces (41, 42 and 43 , 44) are arranged in series to be gradually closer to the central axis (1).

"Extension" de las segundas superficies conicas (44) cerca de las superficies de borde (45) se fija para tener un valor maximo correspondiente a un valor tal determinado en base a la profundidad C del tornillo de cabeza hueca hexagonal, es decir, el destornillador cuando el pollgono se dirigio es encajar en el tornillo de cabeza hueca (6) correspondiente con el eje central del destornillador (1) esta inclinada formando maximos a de inclinacion con respecto al eje central (7) del tornillo (6), esas segundas superficies conicas (44), cerca de las superficies de borde (45), no en contacto, en sus extremos inferiores, con la parte inferior de la superficie interior del tornillo de cabeza hueca (6) y la segunda superficies conicas (43), cerca del cuello del destornillador, puede ser en contacto contra la superficie interior (8) del tornillo de cabeza hueca (6). Ademas, "extension" de las segundas superficies conicas (43), que se apoya contra la superficie interior del tornillo (8) cuando el destornillador con cabeza poligonal esta inclinada la inclinacion maxima (a) se establece, a un valor sustancialmente igual a la "extension" de las segundas superficies conicas (44) cerca de las superficies de borde (45), la frontera entre las segundas superficies conicas 44 y las superficies de borde (45) pueden ser biselados para facilitar el montaje en el tornillo de cabeza hueca hexagonal."Extension" of the second conical surfaces (44) near the edge surfaces (45) is set to have a maximum value corresponding to such a value determined based on the depth C of the hexagonal socket head screw, that is, the screwdriver when the polygon was directed is to fit in the hollow head screw (6) corresponding to the central axis of the screwdriver (1) is inclined forming maximum inclination with respect to the central axis (7) of the screw (6), those second conical surfaces (44), near the edge surfaces (45), not in contact, at their lower ends, with the lower part of the inner surface of the hollow head screw (6) and the second conical surfaces (43), Near the screwdriver neck, it can be in contact against the inner surface (8) of the hollow head screw (6). In addition, "extension" of the second conical surfaces (43), which rests against the inner surface of the screw (8) when the screwdriver with a polygonal head is inclined, the maximum inclination (a) is established, at a value substantially equal to the "extension" of the second conical surfaces (44) near the edge surfaces (45), the border between the second conical surfaces 44 and the edge surfaces (45) can be beveled to facilitate mounting on the hollow head screw hexagonal.

Los tamanos de las superficies (40), las primeras superficies conicas (41, 42) y la segunda superficies conicas (43, 44) en la cabeza (4), con (a) inclinacion maxima de la llave eje central (1) es aproximadamente 35°.The sizes of the surfaces (40), the first conical surfaces (41, 42) and the second conical surfaces (43, 44) in the head (4), with (a) maximum inclination of the central shaft key (1) is approximately 35 °.

Claims (5)

55 1010 15fifteen 20twenty 2525 3030 3535 4040 45Four. Five REIVINDICACIONES 1. Destornillador con cabeza poligonal (1), caracterizado porque esta provisto de un cuello (3), de un vastago (2), de una cabeza poligonal (4),de un ajuste (46) de contra- angulo o pieza de mano y un mango (47), donde la cabeza (4) esta provista de:1. Screwdriver with polygonal head (1), characterized in that it is provided with a neck (3), a shank (2), a polygonal head (4), a counter-angle adjustment (46) or handpiece and a handle (47), where the head (4) is provided with: • unas superficies planas (40) que estan en el mismo numero que el de las superficies de la espiga del vastago (2) y se extienden en paralelo al eje central (1) del destornillador.• flat surfaces (40) that are in the same number as the shank shank surfaces (2) and extend parallel to the central axis (1) of the screwdriver. • unas primeras superficies conicas alineadas verticalmente (41, 42) que se encuentran en los bordes verticales, respectivamente, de las superficies planas (40).• first vertically aligned conical surfaces (41, 42) that are located on the vertical edges, respectively, of the flat surfaces (40). • unas segundas superficies conicas alineadas verticalmente (43, 44), en los bordes verticales de las superficies conicas (41, 42), las primeras superficies conicas (41, 42) y las segundas superficies conicas (43, 44) van disminuyendo gradualmente hacia la cabeza (4) del destornillador desde su parte central para luego extenderse en la continuation de cada superficie plana (40) hacia el eje central destornillador.• second vertically aligned conical surfaces (43, 44), on the vertical edges of the conical surfaces (41, 42), the first conical surfaces (41, 42) and the second conical surfaces (43, 44) gradually decrease towards the head (4) of the screwdriver from its central part and then extended in the continuation of each flat surface (40) towards the central screwdriver shaft. • unas superficies de borde (45) que se extienden desde y en el mismo numero que, las primeras superficies conicas (41, 42) y las segundas superficies conicas (43, 44) verticalmente hacia abajo, y convergen en el eje central del destornillador.• edge surfaces (45) extending from and in the same number as, the first conical surfaces (41, 42) and the second conical surfaces (43, 44) vertically downwards, and converge on the central axis of the screwdriver . 2. Destornillador con cabeza poligonal (1) segun reivindicacion 1 caracterizado porque la cabeza (4) esta formada por un total de 6 superficies (40) planas acorde a la description mencionada. De 6 superficies (41) conicas acordes acorde a descripcion mencionada. De 6 superficies (42) conicas acordes a descripcion mencionada. De 6 superficies (43) conicas acorde a descripcion mencionada. De 6 superficies (44) conicas acordes a descripcion mencionada. De 6 superficies (45) de borde acorde a descripcion mencionada, tambien podra ser de forma semiesferica.2. Screwdriver with polygonal head (1) according to claim 1 characterized in that the head (4) is formed by a total of 6 flat surfaces (40) according to the aforementioned description. Of 6 conical surfaces (41) according to the aforementioned description. Of 6 conical surfaces (42) according to the aforementioned description. Of 6 conical surfaces (43) according to the aforementioned description. Of 6 conical surfaces (44) according to the aforementioned description. Of 6 edge surfaces (45) according to the aforementioned description, it may also be hemispherical. 3. Destornillador con cabeza poligonal (1) segun reivindicacion 1 caracterizado porque las superficies planas a lo largo de dicho eje central del destornillador y los angulos de dichas segundas superficies conicas se fijan en el mismo valor de inclination maxima del eje central del destornillador, y la extension de dichas segundas superficies conicas, situadas cerca de las superficies de borde a lo largo del eje central del destornillador tienen un valor maximo que cuando el destornillador poligonal encaja en un tornillo de cabeza hueca alcanza su maxima inclinacion con respecto a un eje central del tornillo, los extremos inferiores de las segundas superficies conicas, no entran en contacto con la parte inferior de la superficie interior del tornillo de cabeza.3. Screwdriver with polygonal head (1) according to claim 1 characterized in that the flat surfaces along said central axis of the screwdriver and the angles of said second conical surfaces are fixed at the same maximum inclination value of the central axis of the screwdriver, and the extension of said second conical surfaces, located near the edge surfaces along the central axis of the screwdriver have a maximum value that when the polygonal screwdriver fits into a hollow head screw it reaches its maximum inclination with respect to a central axis of the screw, the lower ends of the second conical surfaces, do not come into contact with the lower part of the inner surface of the head screw. 4. Destornillador con cabeza poligonal (1) segun reivindicacion 1, caracterizado porque el cuello (3) podra ser hexagonal, triangular, circular o cuadrada, sin llmite de formas.4. Screwdriver with polygonal head (1) according to claim 1, characterized in that the neck (3) may be hexagonal, triangular, circular or square, without limit of shapes. 5. Destornillador con cabeza poligonal (1) segun reivindicacion 1, caracterizado porque el vastago (2) podra ser hexagonal, triangular, circular o cuadrada, sin llmite de formas.5. Screwdriver with polygonal head (1) according to claim 1, characterized in that the shank (2) may be hexagonal, triangular, circular or square, without limit of shapes.
ES201700266U 2017-03-31 2017-03-31 Screwdriver with polygonal head Withdrawn - After Issue ES1188233Y (en)

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