ES2316227B1 - IMPROVEMENTS INTRODUCED IN THE INTERLOCK WRAPPING SYSTEMS, APPLICABLE TO ELECTRICAL DEVICES. - Google Patents

Abstract

Improvements introduced in the systems interlocking embedding, applicable to devices electric

They incorporate inside a base-box (1), parallelepiped, a simple contact-terminal (2) on which remains positioned a key-actuator (3) and above a closing-guide cover (4) all so that the electrical conductor (5) to be screwed, previously introduced by a hole (6) of the base-box (1) and by a corresponding accommodation (7) of the key-actuator (3) butt with its end wall (3b), which closes said housing (7), and is positioned so that the key (3), pressed by its fin (3a), press it against the part shear (8) of the contact-terminal (2), causing the cutting of the insulating conductor coating (5), and with it the Contact of the cable with the contact-terminal (2). Be they also provide for terminal embodiments of two parallel elements, and of terminal of two aligned elements, having the first of a base-box (1st), wide to accommodate two terminal contacts (2a) connected in parallel and a cover of closing-guide (4a), together with two actuator keys (3), same as terminal simple (2), while the second has two elements aligned in a base-box (1b), two terminal contacts (2b) connected and aligned in direction opposite and a closing-guide cover (4b), with two actuator keys (3).

Description

Improvements introduced in the systems interlocking embedding, applicable to devices electric

The present invention patent has as object some improvements introduced in the systems of flanged applicable to electrical devices, based essentially in the insertion of the electric conductor directly on the contact-terminal by drilling or cutting the insulation of the driver himself, through a system of actuator key that will be described to continuation.

Currently, and in order to lower the maximum costs of a low voltage electrical installation, generally used to provide adequate service to apartments, homes, shops, offices or other places similar, the tendency to reduce the time spent is evident in the realization of said facilities, using elements basic modular structure that may or may not be embedded, and that will allow the placement of various electrical mechanisms with a minimum change of components, all of them easily accessible and simple handling for placement or removal To be changed

Within this savings line, it is considerable the incidence of work for the conduction of conductors electrical in the corresponding electrical mechanisms, such such as switches, pushbuttons, plug bases and the like, since this operation of embornado requires a participation of considerable labor compared to other operations necessary in the execution of the installation.

Object of the invention

The improvements object of the present invention are aimed at improving known systems and currently used for the realization of the bolting of the electrical conductors dependent on the electrical mechanism that, being part of the installation as a whole, it will be positioned and connected as planned in the installation project repeatedly cited.

State of the art

It should be cited, very concretely, as embodiment that presents the state of the art in the today, patent EP1523065A1, in the name of "Phoenix Contact ", and referred to an electrical terminal.

This European patent presents a series of operating limitations, as well as greater complexity of elements that compose it with respect to the improvements that They are the subject of the invention described below.

Description of the invention

It presents as essential characteristics the present invention, the special structure and arrangement of the components of the system of embornado which allows, in a way Fast and safe, carry out the electrical conductor's flanging by a single operation, by pressure, of a single key-actuator, prior to the introduction of the end of the electrical conductor to be screwed through the hole which for that purpose has the base-box of the set, the which admits at the same time, the accommodation of said own key-actuator.

When this manual pressure is performed, the aforementioned actuator key makes a turn on its axis defined by some fixing lugs, which it has. Act then on the extreme area of the electric conductor arranged in the inside of the contact-terminal body, introduction which is carried out by the open cutting part that is located in its end, so that the insulating conductor coating electric is drilled or cut, immediately establishing the necessary contact or connection between the metal wire of the driver, until that time completely covered, and the own contact-terminal.

The particular structure of the components of the invention allows various variants of realization, just by changing some of its components, but always with the same direct action, pressing on the key-actuator, to which it gives rise, as previously indicated, when drilling or cutting the electrical conductor insulating coating to be embroider

These possible embodiments are the following:

- Embedding in a simple terminal set, where the components are a base-box, a contact-terminal, one key-actuator and a cover closing-guide, all designed so that the interior space of the base-box allows to house the contact-terminal properly, as well as the lower part of the actuator key, remaining closed and fixed by the guide closure cover, all for a single and the only electric conductor to be screwed.

- Embornado in a set of edge of two parallel elements, consisting of a base-box, with capacity to locate inside, arranged in parallel one to another and in the same way, the two parallel terminal contacts, duly connected; the closing-guide cover, which will fix the terminal contacts, and two actuator keys, identical and equal to the used in the previous embodiment.

The connection in a terminal set of two aligned elements composed of a base-box, With capacity and form to locate inside, ready to continuation of another and faced, the two terminal contacts aligned, properly connected; the closing-guide cover, which will fix the contacts-terminal and two identical key-actuators, aligned but faced, equal to the keys of the previous realizations

These devices can be placed together, one following the other, in a sense, facing or in a way aligned, and between them the systems will optionally be arranged electrical required.

Description of the figures

In order to detail the various components of the emborning system to which the refinements object of the present invention are attached some drawings in which, by way of non-limiting example of practical realization, these improvements have been represented,  applied to the three embodiments of the flanging system previously described.

In these drawings,

Figure 1 is a perspective view and explosion of the simple terminal assembly;

Figure 2 is a perspective view and in explosion of the terminal assembly of two parallel elements;

Figure 3 is a perspective view and in explosion of the terminal assembly of two aligned elements;

Figure 4 is a partial sectional view of the assembly mounted, showing the actuator key on your initial or open position;

Figure 5 is an identical view to that of the previous figure, showing the sequence of displacement of the key-actuator, in its intermediate position, in movement or performance; one

Figure 6 is an identical view to that of the Figures 4 and 5, showing the final sequence of displacement of the key-actuator, in its closed position;

Figure 7 shows in three projections dihedral closing cover-guide assembly simple terminal;

Figure 8 shows, also in three dihedral projections, the closing-guide cover of the set of two parallel elements;

Figure 9 draws in three projections the closing cover-guide corresponding to the set of two aligned elements;

Figure 10 is a sectional view, according to the vertical plane that passes through the axis of the lugs of guide-turn of the actuator key, of the assembly of the simple terminal embodiment, showing the location of said actuator key with respect to the base-box;

Figure 11 is a view, also sectioned but by a different plane from the section in the previous figure, of the same simple terminal set, showing the location of the closing-guide cover, with respect to the fits-box;

Figure 12 is a schematic view, in plant, which shows the various possibilities of placing simple terminal sets;

Figure 13 is a sectional view, according to the vertical plane that passes through the axis of the lugs of guide-turn of the actuator key, of the edge set of two parallel elements, showing the sequence of positioning of the actuator keys and the cover of guide closure inside the corresponding base-box;

Figures 14 to 18 draw the sequences successive of the placement initiated in figure 14 to the total fixing the various components inside the base-box, figure 18

Figure 19 is a schematic view, in plant, which shows the various possibilities of placing sets of two parallel terminals;

Figure 20 is a schematic view, in plant, which shows the various possibilities of placing sets of two terminals aligned.

Description

According to the drawings that have been detailed, the improvements introduced in the systems of embornado by interlocking, applicable to electrical devices, subject to the present invention and which are intended to carry out the immediate and correct insertion of the electrical conductor into  the corresponding terminal contact, by drilling or cutting of the insulating coating thereof, are characterized by having of a base-box (1), inside which is available a terminal contact (2) on which the actuator key (3), and on it is placed the closing-guide cover (4), components that they will be perfectly located in the corresponding place of the base-box (1).

The electrical conductor (5) to be packed, is introduced through the hole (6) that has the base-box (1) in its lower back, being located inside the accommodation (7) that has the actuator key (3) in its lower part, said conductor (5) being positioned until it meets the final wall (3b) that closes in front that accommodation area (7).

The base-base (1) has in the lower part of its two lateral faces, and on the inside, accommodation (9) where the lugs of turn guide (10) that has the actuator key (3) in its lower part, so  that said actuator key (3) may tilt around the imaginary axis that determine these teats of turn guide (10).

Also on the inner side faces of the base-box (1) holes (11) are located, where the side tabs (12) of the cover of the closing-guide (4), thus being fixed in its place.

At the bottom of the side faces internal of the base-box (1), as well as in its bottom, vertical triangular tabs (13) are arranged and other horizontal (13a) that delimit the space that will occupy the contact-terminal (2), facilitating the location and fixing it in place.

The actuator key (3) is provided with an outer fin (3a) that is exposed and accessible above the upper edge of the base-box (1) and on which the user will act, pressing properly, according to the sequences represented in Figures 4, 5 and 6.

The actuator key (3), is will, therefore, move from the initial or open position, passing through the intermediate position of movement, to the final position of closed.

It has said key-actuator (3) at its front end, the final wall (3b) of its wall upper curvilinear, bent at right angles (3c) on the other hand lower. The driver (5), introduced in the housing (7) of the key-actuator (3), will be located in it, butt against the final wall (3b), and being exposed the zone (5a) of the conductor, between the bent wall in right angle (3c) and the housing itself (7).

The contact-terminal (2) is noticeably vertical prismatic shape, with its back face open to constitute the cutting area or part (8) of the own terminal contact (2).

Thus arranged the set, acting by pressing on the fin (3a) of the actuator key (3), the conductor (5) is pushed against the cutting part (8) of the contact-terminal (2), penetrating through it and producing the perforation or cutting of the insulating coating that the driver has in that area that is discovered (5a) of the same, leaving the conductor (5) imprisoned between the edges of the cutting area (8) of the contact-terminal (2) and in total contact the metallic part or cable of the conductor itself (5) and the contact-terminal (2).

This contact-terminal (2) is complements with a contact tab (16), located in its part previous, and that will be arranged towards the mouth of the base-box (1), this being positioned terminal contact (2) at the bottom of the base-box (1), between triangular tabs vertical (13) and horizontal (13 a), and immobilized by the action of other lower inclined fins (17) that the lid has of closing-guide (4) and that rely on the own terminal contact (2).

This same closing-guide cover (4) it has two lateral tabs (12) next to its upper face, which are introduced under pressure thanks to its own flexibility of the material, in the corresponding recesses (11) of the base-box (1), thus being immobilized in its place.

It also has said cover close-guide (4) on its upper face, a regatta longitudinal (18), with two pairs of expansions (18a), towards the inside said regatta that make up three arm passage zones (14) holding the outer flap (3a) of the actuator key (3), as described above and represented with clarity in figure 1.

The improvements object of the present invention, allow at least three embodiments: described so far, with simple terminal, and the realizations of terminal of two parallel elements, according to figure 2 and terminal of two elements aligned, according to figure 3.

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In the embodiment represented in Figure 2, the set has the base-box (1a), here more wide with two contacts-terminal (2a), joined in parallel, and a guide closure cover (4a), in which they are located two actuator keys (3), equal to those of the realization of simple terminal.

In the realization of two aligned elements, according to figure 3, the assembly has a base-box (1b) with two terminal contacts (2b), joined and aligned in direction opposite of each other, and a closing-guide cover (4b), in which two are also located respectively actuator keys (3), same as previously exposed.

The base-box (1st) of the variant which has two terminal contacts (2a) (Figure 2) is provided, at the bottom of its side faces interiors, of cavities (9a) where the external guide-lugs (10) of the actuator keys (3). It also has such base-box (1a) of upper lateral recesses (11a) for pressure introduction, thanks always to the flexibility of the material used for the side flanges (12a) of the closing-guide cover (4a), and also has its bottom a central highlight (15) that will allow positioning of the terminal contacts (2a), separated e immobilized by vertical triangular tabs (13) and horizontal (13a), which are located on the sides of such central highlight (15) and in the corresponding place of the faces inner sides of the base-box (1a).

The repeated base-box (1st) carries made two holes (6) for the entrance of the corresponding conductors (5), located at the bottom posterior, and, among these, an immobilizing pin (19) whose purpose is what remains on it locked by pressure or elastic capacity and by wedge effect action, a vertical support central bottom (20) that has the cover of closing-guide (4a), thus immobilizing the assembly.

All this will take place when, once placed inside the base-box (the) the terminal contacts (2a) and key-actuators (3), place the appropriate closing-guide cover (4a) in place, for closing of the assembly, the lid being then blocked by the action of its lateral flanges (12a) pressed inside of the lateral recesses (11a) of the base-box (1a), as indicated above.

The aforementioned cover of closure-guide (4a), has, on its upper face, in this embodiment two longitudinal notches (22), parallel and identical, with two pairs of expansions (22a) that make up three passage areas for each of the arms (14) of the fins external (3b) that each actuator key has (3), thereby fixing the positioning of said keys as previously described, and as depicted in Figures 4 to 6.

Also this closing-guide cover (4a) also has inclined fins inferiorly lower (17a) that support and immobilize with the respective contacts-terminal (2a) in the place where they are placed in a definitive way.

The aforementioned central lower vertical support (20), it is equipped, in its two lateral faces, with housings (20a) for the introduction of the lugs of lower guide-turn (10) of both actuator keys (3), so that they can turn freely as is provided with a notch (23) that allows, when the key set (3) and cover (4a) is introduced inside your base-box housing (1a), that the whole assembly be flexed, as observed in the positional sequences of figures 13 to 18. This flexion allows, first of all, that the teats of turn guide (10) of the actuator keys (3) are introduced and remain located inside the respective recesses (9a) of the base-box (1a), while, immediately and Finished the flexion of the set, the immobilizer pin (19) is introduced in the notch (23) then acting as a wedge preventing bending for the extraction of the whole.

The contact-terminal (2a) is constituted by two identical and equal bodies to the one described unit contact-terminal (2), located in parallel and provided with their respective cutting part (8). Emerging from the Bottom of both are contact tabs (16a), joined by another (16b), leaving all this set in direction towards the mouth of the base-box (1st).

In the third possible embodiment, that is, the of terminal with two aligned elements, according to the representation of the Figure 3, the base-box (1b) has a shape elongated rectangular parallelepiped, closed by its four sides, except for a central open area (24), of one of its side walls (25), where a flange will be positioned side (16d) of the common contact tongue (16c) that joins the terminals

The contact-terminal (2b) in this realization of two aligned elements, consists of two identical bodies, equal to the contact-terminal unitary or simple (2), and located next to each other, and in opposite direction, provided with their respective cutting part (8) and said common tongue (16c) emerging from the bottom of both, extended laterally by the lateral flange (16d).

The closing-guide cover (4b) in this case, it has, in its upper face, two regattas (26), longitudinal identical and symmetrically located and presenting each two widenings (26a) that determine the three passageways for each of the corresponding arms (14) of the fins external (3a) of the actuator keys (3). It is in this way determined, as in the previous ones described closing-guide covers (4) and (4a), the positioning of the actuator keys (3) on its closing-guide cover (4b).

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Said closure-guide cover (4b) It has lower inclined fins (17b) which, supported on the respective terminal contacts (2b), the they immobilize in their place of location at the bottom of the base-box (1b), between triangular tabs vertical (13) and horizontal (13a).

These sets of embornado system by interlocking, according to the essential characteristics of the invention, they can be placed one after the other in the facing position, as seen in figures 12 and 19, or located next to each other laterally, as observed in figure 20.

These various placement possibilities will also allow the provision of electrical systems (26), located between them these sets.

Described sufficiently the object of the invention, it should be noted that the practical realization of these refinements will not be altered by any variation in dimensions, shapes and finishes, as well as type and quality of materials used, these characteristics being summarized essential in the following claims.

Claims (14)

1. Improvements introduced in the interlocking embedding systems, applicable to electrical devices, to effect the insertion of the conductor in the contact of the terminal, by means of perforation or cutting of the insulating coating thereof, characterized by being incorporated inside a base -box (1), preferably rectangular parallelepiped, a simple contact-terminal (2) on which a key-actuator (3) is positioned and on this a closing-guide cover (4) all placed so that the driver electrical (5) to be embedded in the device, previously inserted through a hole (6) made in the base-box (1) and by a corresponding housing (7) of the actuator key (3) until it meets its final wall ( 3b), which closes said housing (7), is positioned so that the actuator key (3), pressed manually from the outside, presses it against the cutting part (8) of the terminal contact (2), causing perforation No cutting of the insulating coating of the conductor (5), and then being made contact with the cable conductor contact-terminal (2). 2. Improvements introduced in the interlocking embedding systems, according to the preceding claim, characterized in that the base-box (1) has in the lower part of its inner side faces, holes (9) for the introduction of guide lugs -turn (10) that has the actuator key (3), in its lower part as well as two lateral recesses (11) for the introduction of lateral flanges (12) of the closing-guide cover (4) under pressure. and vertical triangular tabs (13), located on their internal and horizontal side faces (13a) located at the bottom, for contact-terminal positioning (2). 3. Refinements introduced in the interlocking embedding systems, according to the preceding claims, characterized in that the actuator key (3) is provided with an outer fin (3a) that is exposed above the base-box (1) , and on which it is operated manually, under pressure, from the initial or open position, to the final or closed position, through an actuation intermediate, provided with said actuator key (3) of the guide-turn lugs ( 10) which determine an imaginary axis around which the actuator key (3) rotates, which is provided with the housing (7), closed in its inner part by the end (3b) of the curvilinear upper wall of the key itself (3 ), bent at right angles to its lower part (3c), housing in which the conductor (5) will be located, stopping against the end (3b) thereof, exposing a conductor area (5a) (5) located between the bent wall at right angles (3c) and the pr opium housing (7), all this so that when pressing on the fin (3a) of the actuator key (3), the conductor (5) is pressed towards the cutting part (8) of the terminal contact (2), penetrating through it and producing the perforation or cutting of insulating coating in said uncovered area (5a) of the conductor (5) and thus leaving in contact the inner metal cable and the contact-terminal (2). 4. Improvements introduced in the interlocking embedding systems, according to claim 1, characterized in that the contact-terminal (2) is complemented by a contact tab (16) located in its front part, and which will be arranged towards the mouth of the base-box (1), this contact-terminal (2) being positioned at the bottom of the aforementioned base-box (1), immobilized, in turn, by the action of lower inclined fins (17) possessing the closing-guide cover (4) and resting on the contact-terminal (2). 5. Improvements introduced in the interlocking embedding systems, according to claims 1, 2 and 4, characterized in that the closing-guide cover (4) has lateral emergent flanges (12) on its upper face, which are introduced at pressure in the corresponding recesses (11) that the base-box (1) possesses for this purpose, also having, in its upper face, a longitudinal regatta (18) with two pairs of expansions (18a) that determine three zones for passage of an arm (14) of the outer fin (3a), and consequently of positioning, of the actuator key itself (3). 6. Improvements introduced in the interlocking embedding systems, according to claim 1, characterized by providing embodiments of two parallel elements terminal, and of two aligned elements terminal, the first of them having a base-box (1a), sufficiently wide to accommodate two terminal-contacts (2a) connected in parallel and a closing-guide cover (4a), together with two actuator keys (3), equal to those of the simple terminal (2), while the second embodiment has two elements aligned in a base-box (1b), with two terminal contacts (2b) connected and aligned in opposite direction to each other and a closing-guide cover (4b), together with two keys - actuators (3) also equal to those of the simple terminal embodiment. 7. Improvements introduced in the interlocking embedding systems, according to claims 1, 2 and 6, which are characterized in that the base-box (1a), of the terminal of two parallel elements, has holes (9a), located in the lower part of its inner side faces, where the external guide-turn lugs (10) of the actuator keys (3) are introduced, as well as other lateral recesses (11a) for the introduction of emerging eyelashes under pressure sides (12a) of the closing-guide cover (4a), said base-box (1a) also being provided, at its bottom, a central projection (15) that will position the terminal-contacts (2a), separated and immobilized by other vertical triangular tabs (13) located on the sides of this central shoulder (15) and in the corresponding place of the inner side faces of the base-box (1a), together with other horizontal triangular tabs (13a), and being also provided, in its part p or lower, between the two holes (6) for input of the electrical conductors (5), of an immobilizer pin (19), in which it is locked, by pressure and elastic capacity, a central lower vertical support (20) that has the closing-guide cover (4a), when it is placed in place for closing, after placing inside the base-box (1a) of the two terminal-contacts (2a). 8. Refinements introduced in the interlocking embedding systems, according to claims 1, 5, 6 and 7, characterized in that the closing-guide cover (4a), for the variant embodiment with terminal of two elements in parallel, has its upper face two notches (22), parallel and identical, with two pairs of expansions (22a) that form three passage zones for each of the arms (14) of the outer fins (3a) of the two actuator keys ( 3), therefore fixing the positioning of said keys, also providing this guide-closing cover (4a) of lower inclined fins (17a) that immobilize the terminal contacts (2a), the side tabs (12a) that they are introduced under pressure in the corresponding recesses (11a) of the base box (1a), and have the central lower vertical support (20), on whose lateral faces some housings (20a) are placed for the introduction of the guide lugs - lower turn (10 ) of both actuator keys (3) that allow the desired rotation. 9. Improvements introduced in the interlocking embedding systems, according to the preceding claim, characterized in that the central vertical support (20) of the closing-guide cover (4a) is provided with a notch (23) which allows, when the assembly of cover (4a) and actuator key (3) is placed inside the base-box (1a), so that the whole assembly flexes, to allow inserting the guide-turn lugs (10), of the actuator keys (3) in the respective recesses (9a) of the base-box (1a), while, immediately and finalized the flexion of the assembly, the immobilizer pin (19) is introduced in the notch (23) making it impossible to flex the set (3-4a) for later extraction. 10. Improvements introduced in the interlocking embedding systems, according to claims 1, 4, 6, 7 and 8, characterized by providing, for the realization with terminal of two elements in parallel, of a terminal contact (2a), constituted by two bodies, identical, arranged in parallel, equal to the simple terminal contacts (2), provided with their cutting part (8), and with contact tabs (16a) that arise from the bottom of both, being joined by a contact (16b), and oriented towards the mouth of the base-box (1a). 11. Refinements introduced in the interlocking embedding systems, according to claims 1, 2 and 6, characterized in that for the realization with a terminal of two aligned elements, it presents the base box (1b) has an elongated parallelepiped shape, closed by its four sides except for a central open area (24) of one of its side walls (25) where a side flange (16d) of a common tongue (16c) of the terminal contacts (2b) is positioned, said provision being provided base-box (1b), in the lower part of its inner side faces, next to the opposite corners, of two pairs of recesses (9b) for the introduction of the guide-turn lugs (10) of the two actuator keys (3), as well as two pairs of lateral recesses (11b) for the pressure introduction of four lateral flanges (12b) of its closing-guide cover (4b), and vertical triangular tabs (13) and other horizontal (13a) ), located at its bottom , for positioning the corresponding terminal contacts (2b). 12. Improvements introduced in the interlocking embedding systems, according to claims 1, 4, 6 and 11, characterized in that the terminal contacts (2b) for the realization with terminal of two aligned elements, is constituted by two identical and arranged bodies aligned, facing each other, equal to the simple terminal contacts (2) provided with their respective cutting part (8), and equipped with the same and single contact tab (16c) with a side flange (16d), which is arranged towards the central opening (24) of the side wall (25) of the base-box (1b). 13. Improvements introduced in the interlocking embedding systems, according to claims 1, 5, 6, 11 and 12, characterized in that the closing-guide cover (4b) for the realization with terminal of two aligned elements, has on its face upper two longitudinal notches (26), identical and located aligned and symmetrical with respect to a central imaginary plane, with two pairs of widenings (26a) that determine three passageways for each of the arms (14) of the outer fins ( 3a) of the two actuator keys (3), fixing the positioning thereof, at each phase of the flange, said guide-closing cover (4b) also having lower inclined fins (17b) that immobilize the respective contacts terminal (2b) and lateral emergent flanges (12b) that are pressed into the corresponding recesses (11b) of the base-box (1b). 14. Refinements introduced in the interlocking embedding systems, according to claims 1 and 6, characterized in that the interlocking embedding system assemblies can be placed next to each other, as well as facing each other, or side by side, enabling the provision of an electrical system (26), intermediate between them.