ES2281291A1 - Screw e.g. solid screw, for electric connector, has end-of-travel stop adjacent to necked-down portion provided at outer edge of intermediary portion, where stop is arranged in flush arrangement with respect to edge of bore - Google Patents
Screw e.g. solid screw, for electric connector, has end-of-travel stop adjacent to necked-down portion provided at outer edge of intermediary portion, where stop is arranged in flush arrangement with respect to edge of bore Download PDFInfo
- Publication number
- ES2281291A1 ES2281291A1 ES200600568A ES200600568A ES2281291A1 ES 2281291 A1 ES2281291 A1 ES 2281291A1 ES 200600568 A ES200600568 A ES 200600568A ES 200600568 A ES200600568 A ES 200600568A ES 2281291 A1 ES2281291 A1 ES 2281291A1
- Authority
- ES
- Spain
- Prior art keywords
- screw
- stop
- connector
- bore
- edge
- 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
- 239000007787 solid Substances 0.000 title description 4
- 206010003497 Asphyxia Diseases 0.000 description 7
- 238000002955 isolation Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/36—Conductive members located under tip of screw
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
- F16B31/02—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load
- F16B31/021—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load by means of a frangible part
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
Abstract
Description
Tornillo perfeccionado para conectores eléctricos.Improved screw for connectors electric
La presente invención tiene por objeto un tornillo perfeccionado para conectores eléctricos.The present invention aims at a perfected screw for electrical connectors.
La presente invención se refiere a los conectores eléctricos para realizar empalmes, derivaciones y terminaciones.The present invention relates to electrical connectors for splicing, branch and endings
Existen en el mercado muchos tipos de tornillos macizos y huecos que se, emplean en los conectores eléctricos.There are many types of screws on the market solid and hollow that are used in electrical connectors.
Los tornillos empleados en los conectores eléctricos roscan en el taladro correspondiente del conector, cuyos taladros son esencialmente radiales, pasantes y roscados, para efectuar el apriete de conductor. Dichos tornillos conocidos comprenden al menos un estrangulamiento anular en correspondencia con un par de apriete respectivo que rompe el tornillo por el estrangulamiento respectivo.The screws used in the connectors electrical threads in the corresponding hole of the connector, whose drills are essentially radial, through and threaded, for tighten the conductor. These known screws comprise at least one ring choke in correspondence with a respective tightening torque that breaks the screw through the respective strangulation.
Básicamente, existen tornillos huecos y macizos, que en ambos casos tienen una estructura, grosores y estrangulamientos, que al aplicar un par de apriete contra el cable dispuesto en el conector, se rompe el tornillo, de una o de varias piezas, quedando una parte alojada dentro del taladro del conector.Basically, there are hollow and solid screws, which in both cases have a structure, thicknesses and bottlenecks, which when applying a torque against the cable arranged in the connector, the screw is broken, one or more pieces, leaving a part housed inside the hole of the connector
En muchos casos, al producirse la rotura del tornillo por el apriete, quedan partes del tornillo salientes del taladro del conector, lo cual es peligroso porque puede afectar al aislamiento de la conexión.In many cases, when the rupture of the screw by tightening, parts of the protruding screw parts of the connector bore, which is dangerous because it can affect the connection isolation.
Así mismo, puede darse el caso en que el tornillo sobrepase la superficie roscada del conector quedando fuera de su alojamiento, lo cual evitaría el funcionamiento normal del conector.Likewise, it may be the case that the screw exceed the threaded surface of the connector remaining outside your accommodation, which would prevent normal operation of the connector.
Los citados inconvenientes han sido totalmente eliminados mediante el tornillo objeto de la presente invención. El cual presenta unas características estructurales que evitan que sobresalga del taladro de cualquier parte rota del tornillo y que la rosca del tornillo pueda sobrepasar la superficie roscada del conector.The aforementioned drawbacks have been totally removed by the screw object of the present invention. He which has structural characteristics that prevent protrudes from the drill of any broken part of the screw and that the screw thread may exceed the threaded surface of the connector
De acuerdo con lo expuesto, el tornillo perfeccionado para conectores eléctricos objeto de la presente invención se caracteriza esencialmente porque entre las partes extremas correspondientes a la porción roscada que rosca en el taladro del conector y la cabeza del tornillo presenta una porción intermedia, y comprende un primer estrangulamiento anular contiguo a la porción roscada, en cuyo apriete se rompe el primer estrangulamiento y la porción roscada queda alojada totalmente en el interior del taladro del conector, y un tope final de carrera contiguo a un segundo estrangulamiento previsto en el borde exterior de la porción intermedia, en cuyo final de carrera el tornillo queda bloqueado y se rompe el segundo estrangulamiento, quedando enrasado dicho tope con el borde del taladro, y quedando las porciones intermedia y roscada alojadas totalmente en el interior del taladro del conector.According to the above, the screw perfected for electrical connectors object of the present invention is characterized essentially because between the parties ends corresponding to the threaded portion that threads into the Connector drill and screw head features a portion intermediate, and comprises a first adjacent annular strangulation to the threaded portion, in whose tightening the first one breaks throttling and the threaded portion is completely housed in the inside of the connector bore, and a limit stop adjacent to a second throttling provided on the edge outside of the intermediate portion, at whose end of the race the screw is locked and the second choke is broken, said stop being flush with the edge of the drill, and remaining the intermediate and threaded portions fully housed in the inside the connector bore.
Según la invención, la cabeza del tornillo presenta la configuración correspondiente al tipo de llave de apriete deseado.According to the invention, the screw head presents the configuration corresponding to the type of key tighten desired.
El tope de final de carrera es preferentemente anular.The limit switch is preferably cancel.
Estas y otras características se desprenderán mejor de la descripción detallada que sigue, para facilitar la cual, se acompaña de una lámina de dibujos en la que se ha representado un caso práctico de realización que se cita solamente a título de ejemplo no limitativo del alcance de la presente invención.These and other features will come off better than the detailed description that follows, to facilitate the which is accompanied by a sheet of drawings in which it has been represented a case study that is cited only by way of example not limiting the scope of this invention.
En los dibujos:In the drawings:
La figura 1 es una vista en perspectiva del tornillo objeto de la presente invención.Figure 1 is a perspective view of the screw object of the present invention.
La figura 2 es una vista en alzado del tornillo.Figure 2 is an elevation view of the screw.
La figura 3 es una vista en planta del tornillo considerada por la cabeza.Figure 3 is a plan view of the screw considered by the head.
La figura 4 es una vista en alzado de un conector eléctrico que presenta varios tornillos colocados antes del apriete.Figure 4 is an elevation view of a electrical connector that has several screws placed before of tightening.
Las figuras 5, 6, 7 y 8 representan, respectivamente, en sección fragmentada el conector, un tornillo y el cable, en distintas fases correspondientes a las fases de roscado del tornillo con un cable de diámetro grueso, al llegar a la rotura del primer estrangulamiento, retirándose la cabeza con la porción intermedia, roscado con cable de menor diámetro llegando el tope al final de carrera, en la que se produce la rotura del segundo estrangulamiento retirándose la cabeza del tornillo. El detalle I de la figura 8 muestra a escala ampliada el tope enrasado con el borde del taladro del conector.Figures 5, 6, 7 and 8 represent, respectively, in fragmented section the connector, a screw and the cable, in different phases corresponding to the phases of screw thread with a thick diameter cable, when reaching the breakage of the first strangulation, withdrawing the head with the intermediate portion, threaded with smaller diameter cable reaching the top at the end of the race, in which the breakage of the second strangulation by removing the screw head. He detail I of figure 8 shows on an enlarged scale the flush stop with the edge of the connector hole.
De conformidad con los dibujos, el tornillo perfeccionado para conectores eléctricos, según la presente invención, consiste en un tornillo con la referencia general (1), que rosca en un taladro (T) del conectar (C) el que están dispuestas opuestamente sendos cables (CA).In accordance with the drawings, the screw perfected for electrical connectors, according to the present invention, consists of a screw with the general reference (1), which threads in a hole (T) of the connector (C) which are arranged oppositely two wires (AC).
El cuerpo del tornillo (1) comprende entre las partes extremas correspondientes a la porción roscada (1A) que rosca en el taladro (T) del conector (C) y la cabeza del tornillo (3A) presenta una porción intermedia (2A).The screw body (1) comprises between end portions corresponding to the threaded portion (1A) that thread in the hole (T) of the connector (C) and the screw head (3A) has an intermediate portion (2A).
El tornillo (1) comprende un primer estrangulamiento anular (E1) contiguo a la porción roscada (1A). Al efectuar el apriete contra el cable (CA) correspondiente, se produce la rotura del primer estrangulamiento y con ello la porción roscada (1A) queda alojada totalmente en el interior del taladro (T) del conector (C), y se retira el resto del cuerpo del tornillo (1) que comprende la cabeza del tornillo (3A) y la porción intermedia (2A), como se ilustra claramente en la figura. 6. El apriete inicial (F) del tornillo (1) se ilustra en la figura 5.The screw (1) comprises a first annular throttling (E1) adjacent to the threaded portion (1A). To the tighten against the corresponding cable (AC), it causes the first strangulation to break and with it the portion threaded (1A) is completely housed inside the hole (T) of the connector (C), and the rest of the screw body is removed (1) comprising the screw head (3A) and the portion intermediate (2A), as clearly illustrated in the figure. 6. The Initial tightening (F) of the screw (1) is illustrated in Figure 5.
El tornillo (1) comprende un tope final de carrera (R) contiguo a un segundo estrangulamiento (E2) previsto en el borde exterior de la porción intermedia (2A). En el apriete, como se ilustra en la figura 7, al llegar el tope (R) al final de carrera bloquea el tornillo y produce la rotura del segundo estrangulamiento, quedando dicho tope (R) enrasado con el borde del taladro, como se ilustra a mayor escala en el detalle I de la figura 8, y quedando las porciones intermedia (2A) y roscada (1A) alojadas totalmente dentro del taladro (T), como se ilustra en la figura 8, retirándose la cabeza (3A) del tornillo.The screw (1) comprises an end stop of stroke (R) adjacent to a second throttle (E2) provided in the outer edge of the intermediate portion (2A). In the tightening, as illustrated in figure 7, when reaching the stop (R) at the end of stroke locks the screw and causes the second to break throttling, said stop (R) being flush with the edge of the drill, as illustrated on a larger scale in detail I of the Figure 8, leaving the intermediate (2A) and threaded (1A) portions housed entirely inside the hole (T), as illustrated in the Figure 8, removing the head (3A) of the screw.
Como se puede observar, tanto si se produce la rotura por el primer o el segundo estrangulamiento, las distintas porciones del tornillo (1) están dimensionadas en combinación con los estrangulamientos (E1) y (E2), de manera que en la rotura del tornillo (1) las partes que quedan alojadas en el taladro (T) están dentro del mismo, evitando cualquier posibilidad de daño al aislamiento de la conexión.As you can see, whether the breakage by the first or second strangulation, the different screw portions (1) are sized in combination with the strangulations (E1) and (E2), so that in the breakage of the screw (1) the parts that are housed in the hole (T) are within it, avoiding any possibility of damage to the connection isolation.
Así mismo, el tope final de carrera (R) está dimensionado de modo que la parte roscada (1A) del tornillo (1) no pueda sobrepasar la superficie roscada del taladro (T), evitando que el tornillo (1) pueda quedar fuera de su alojamiento, quedando bloqueado en el taladro.Likewise, the final limit of the race (R) is sized so that the threaded part (1A) of the screw (1) does not can exceed the threaded surface of the hole (T), avoiding that the screw (1) can be out of its housing, remaining locked in the hole.
De acuerdo con ello, la cabeza del tornillo (3A) puede presentar distintas formas entre las que cabe señalar a modo de ejemplo, las ilustrada en las figuras 9A y 9B, relativas a tuerca hexagonal con alojamiento para Allen, y las l0A y 10B, relativas a tuerca circular con Allen. En dichas figuras las mismas referencias con "primas" se refieren a las mismas partes del tornillo.Accordingly, the screw head (3A) it can present different forms among which it is possible to indicate by way For example, those illustrated in Figures 9A and 9B, relating to hexagon nut with Allen housing, and 10A and 10B, relative to circular nut with Allen. In these figures the same references with "premiums" refer to the same screw parts.
El tornillo (1) de la presente invención de preferencia es macizo pero puede ser hueco.The screw (1) of the present invention of Preference is solid but it can be hollow.
Asimismo, el tope (R) de final de carrera previsto en el borde de la porción intermedia, de preferencia, es anular, pero puede consistir en un apéndice saliente o en varios salientes espaciados regularmente.Also, the limit stop (R) provided on the edge of the intermediate portion, preferably, is cancel, but it can consist of an outgoing appendix or several outgoing spaced regularly.
La invención, dentro de su esencialidad, puede ser llevada a la práctica en otras formas de realización que difieran solo en detalle de la indicada únicamente a título de ejemplo, a las cuales alcanzará igualmente la protección que se recaba. Podrá, pues, fabricarse este tornillo en cualquier forma y tamaño, con los medios y materiales más adecuados y con los accesorios más convenientes, pudiendo los elementos componentes ser sustituidos por otros técnicamente equivalentes, por quedar todo ello comprendido dentro del espíritu de las reivindicaciones.The invention, within its essentiality, can be put into practice in other embodiments that differ only in detail from that indicated solely by way of example, which will also achieve the protection that collect. This screw can be manufactured in any way and size, with the most appropriate media and materials and with the more convenient accessories, the component elements being able to be replaced by other technically equivalent ones, because everything remains this included within the spirit of the claims.
Claims (3)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200600568A ES2281291B1 (en) | 2006-03-08 | 2006-03-08 | PERFECTED SCREW FOR ELECTRICAL CONNECTORS. |
| BRPI0703433A BRPI0703433B1 (en) | 2006-03-08 | 2007-03-06 | screws for electrical connectors |
| EP07380066.6A EP1833117B1 (en) | 2006-03-08 | 2007-03-07 | A screw for electric connectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200600568A ES2281291B1 (en) | 2006-03-08 | 2006-03-08 | PERFECTED SCREW FOR ELECTRICAL CONNECTORS. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2281291A1 true ES2281291A1 (en) | 2007-09-16 |
| ES2281291B1 ES2281291B1 (en) | 2008-06-01 |
Family
ID=38458338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200600568A Active ES2281291B1 (en) | 2006-03-08 | 2006-03-08 | PERFECTED SCREW FOR ELECTRICAL CONNECTORS. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2281291B1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008084120A1 (en) | 2007-01-08 | 2008-07-17 | Ridelin, S.L. | Preinsulated joint |
| EP2065978A1 (en) | 2007-11-30 | 2009-06-03 | Ridelin, S.L. | A mechanical connector with incorporated cable centring means |
| WO2013053964A1 (en) * | 2011-10-10 | 2013-04-18 | Ridelin, S.L. | Mechanical connector assembly with integral cable centering device |
| WO2015082729A1 (en) | 2013-12-04 | 2015-06-11 | Niled, S.A.E. | Clamping element |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0634811A1 (en) * | 1993-07-13 | 1995-01-18 | ARCUS ELEKTROTECHNIK ALOIS SCHIFFMANN GmbH | Shear bolt screw |
| US6042430A (en) * | 1995-04-07 | 2000-03-28 | B & H (Nottingham) Limited | Fastener |
| US6176659B1 (en) * | 1998-08-18 | 2001-01-23 | Gerhard Petri Gmbh & Co. Kg | Shearable screw |
| DE10234475A1 (en) * | 2002-06-27 | 2004-01-15 | Arcus Elektrotechnik Alois Schiffmann Gmbh | Shear bolt has axial blind bore with spaced undercut sections extending radially, forming areas of weakness, outer surface of bolt having continuous thread |
| DE10313944A1 (en) * | 2003-03-18 | 2004-10-07 | Arcus Elektrotechnik Alois Schiffmann Gmbh | Screw connector for electrical conductors has single threaded screw used for securing 2 half shells together to provide cylindrical body and for clamping electrical conductors between half shells |
-
2006
- 2006-03-08 ES ES200600568A patent/ES2281291B1/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0634811A1 (en) * | 1993-07-13 | 1995-01-18 | ARCUS ELEKTROTECHNIK ALOIS SCHIFFMANN GmbH | Shear bolt screw |
| US6042430A (en) * | 1995-04-07 | 2000-03-28 | B & H (Nottingham) Limited | Fastener |
| US6176659B1 (en) * | 1998-08-18 | 2001-01-23 | Gerhard Petri Gmbh & Co. Kg | Shearable screw |
| DE10234475A1 (en) * | 2002-06-27 | 2004-01-15 | Arcus Elektrotechnik Alois Schiffmann Gmbh | Shear bolt has axial blind bore with spaced undercut sections extending radially, forming areas of weakness, outer surface of bolt having continuous thread |
| DE10313944A1 (en) * | 2003-03-18 | 2004-10-07 | Arcus Elektrotechnik Alois Schiffmann Gmbh | Screw connector for electrical conductors has single threaded screw used for securing 2 half shells together to provide cylindrical body and for clamping electrical conductors between half shells |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008084120A1 (en) | 2007-01-08 | 2008-07-17 | Ridelin, S.L. | Preinsulated joint |
| EP2065978A1 (en) | 2007-11-30 | 2009-06-03 | Ridelin, S.L. | A mechanical connector with incorporated cable centring means |
| WO2013053964A1 (en) * | 2011-10-10 | 2013-04-18 | Ridelin, S.L. | Mechanical connector assembly with integral cable centering device |
| ES2401633A1 (en) * | 2011-10-10 | 2013-04-23 | Ridelin, S.L. | Mechanical connector assembly with integral cable centering device |
| WO2015082729A1 (en) | 2013-12-04 | 2015-06-11 | Niled, S.A.E. | Clamping element |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2281291B1 (en) | 2008-06-01 |
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