초록 ▼

Electrical connection terminal unit comprising a box (100; 1000) provided inside with a block (110; 1110) for housing at least one pair of electrical connectors (200; 1200) comprising at least one element (211, 212; 1211, 1212) for retaining the end of the wires (1a, 1b) of a cable (1) and at least

Electrical connection terminal unit comprising a box (100; 1000) provided inside with a block (110; 1110) for housing at least one pair of electrical connectors (200; 1200) comprising at least one element (211, 212; 1211, 1212) for retaining the end of the wires (1a, 1b) of a cable (1) and at least one flat contact pin (211c, 212c; 1211c, 1212c) of the "fast-on" type, said block (110; 1110) comprising at least two seats (111, 112; 1211, 1212) of suitable depth in the vertical direction (Z-Z) suitable for housing said elements (211, 212; 1211, 1212) for retaining the wires (1a, 1b) of the cable (1) and extending perpendicularly towards the outside of the bottom (100b; 1100b) of the box (100; 1100) so as to form a housing (114; 1114) for the contact pins (211c, 212c; 1211c, 1212c), said retaining elements (211; 212) being of the spring type and arranged parallel to the bottom (101b; 1101b) of the box (100; 1100) of the terminal unit.

대표청구항 ▼

The invention claimed is: 1. An electrical connection terminal unit comprising a box and a cover provided inside with a block for housing at least one pair of electrical connectors comprising at least one element for retaining the end of wires of a cable and at least one flat contact pin of "fast-o

The invention claimed is: 1. An electrical connection terminal unit comprising a box and a cover provided inside with a block for housing at least one pair of electrical connectors comprising at least one element for retaining the end of wires of a cable and at least one flat contact pin of "fast-on" type, said block comprising at least two seats of suitable depth in a vertical direction (Z-Z) suitable for housing said elements for retaining the wires of the cable and extending perpendicularly toward an outside of a bottom of the box so as to form a housing for the at least one contact pin, and a third electrical connector the retaining element of which is connected to contact pins of a "fast-on" type and an additional contact pin arranged parallel to the bottom of the box and forming the element for connecting the terminal box to earth, wherein said at least one element for retaining are of a spring type and arranged parallel to the bottom of the box of the terminal unit. 2. A unit according to claim 1, wherein the bottom of the box has an opening able to house said earth pin. 3. A unit according to claim 1, wherein said seats for housing the retaining elements have openings passing through the bottom of the box and emerging inside said housing extending from the bottom of the box, for receiving the contact pins of a "fast-on" type. 4. A unit according to claim 1, wherein said housing is hollow and has parallel partitions able to divide the housing into chambers which are electrically insulated from each other. 5. A unit according to claim 1, wherein said housing has elastic lugs suitable for keeping the terminal box fixed against a contact wall of an electric apparatus or the like. 6. A unit according to claim 1, comprising a hinge connecting together cover and box, said hinge comprising a pin integral with the cover, extending in the transverse direction and contained between two opposite longitudinal shoulders with which it forms a bridge, and a curved wall which extends in the transverse direction and forms the seat of the hinging pin and inside which teeth able to interact with the pin are provided. 7. A unit according to claim 1, wherein said electrical connectors have pairs of contact pins of a "fast-on" type aligned in a same plane. 8. A unit according to claim 7, wherein the contact pins contained inside said housing are all parallel to each other and have their respective free ends arranged in a single plane, wherein the single plane is parallel to the bottom of the box. 9. A unit according to claim 1, wherein said electrical connectors have an element for retaining wires arranged perpendicularly with respect to the plane containing the respective "fast-on" contact pins. 10. A unit according to claim 9, wherein said seats for housing said retaining elements are arranged at different distances from the longitudinal sides of the box so as to be staggered in the said longitudinal direction. 11. A unit according to claim 9, wherein said at least one of the sides of said seats for housing the retaining elements has a respective opening extending in the direction perpendicular to the bottom of the box and connected to seats extending parallel to the said bottom for allowing respective pads of said electrical connectors to pass through/be seated. 12. A unit according to claim 1, wherein said electrical connectors have the element for retaining the wires arranged parallel to the plane containing the contact pins. 13. A unit according to claim 12, wherein said seats for housing the said retaining elements are arranged at the same distance from the longitudinal sides of the box. 14. A unit according to claim 1, further comprising a cable clamping device. 15. A unit according to claim 14, wherein said cable clamping device comprises a part incorporated in the front side of the box and a part incorporated in the corresponding side of the cover. 16. A unit according to claim 15, wherein the cable clamping pan integral with the box comprises a base extending towards the outside in the longitudinal direction and provided with respectively front and rear transverse lugs with a suitable elasticity able to prevent the cable from coming out in the longitudinal direction. 17. A unit according to claim 16, further comprising a cable-clamping device incorporated in the front transverse side of the box. 18. A unit according to claim 16, wherein the base has a first pair of lugs which extend in the vertical direction and the free end of which is formed in the manner of a hook. 19. A unit according to claim 18, wherein the cable clamping part integral with the cover comprises a second pair of lugs which extend in the vertical direction and free end of which is smooth, acts on the outer side of the lugs integral with the box. 20. A unit according to claim 18, wherein the cable clamping part integral with the cover comprises a second pair of lugs which extend in the vertical direction and the free end of which is formed in the manner of a hook able to interact with the corresponding hooks of the first pair of lugs. 21. A unit according to claim 20, wherein both the pairs of lugs are elastically deformable in the transverse direction Y-Y. 22. A unit according to claim 20, wherein said second pair of lugs is housed inside an extension of the cover provided with a suitable opening for allowing the cable to pass through. 23. A unit according to claim 17, wherein said cable clamping device comprises a body through which a seat for containing a cable is formed, said seat having at least one side provided with a vertical guide seat, the bottom surface of which is provided with a set of teeth able to engage with a corresponding set of side teeth of a wedge part and in that said body has a second vertical seat with a suitable cross-section able to co-operate with a corresponding extension of the head of the wedge, having a corresponding cross-section for producing a reaction to the forces exerted on the wedge in the transverse direction (Y-Y). 24. A unit according to claim 23, wherein said seat consists of a through-hole inside which said cable is inserted. 25. A unit according to claim 23, wherein said seat is open in the vertical direction (Z-Z). 26. A unit according to claim 23, wherein the head of the symmetrical wedge has an internal elastic hinge. 27. A unit according to claim 23, wherein the inner sides of the wedge able to come into contact with the cable have a smooth surface. 28. A unit according to claim 23, wherein inner side(s) of the wedge able to come into contact with the cable have a surface/surfaces inclined with respect to the longitudinal direction and able to interact with the cable in the transverse direction. 29. A unit according to claim 23, wherein the wedge has a symmetrical structure with two outer sides having a respective sawtooth profile. 30. A unit according to claim 29, wherein the body has an upright, facing the second outer side of the wedge, with a profile in the form of a sawtooth corresponding to the second sawtooth profile of the symmetrical wedge. 31. A unit according to claim 23, wherein said body has two uprights connected by a transverse base. 32. A terminal box according to claim 31, wherein said wedge is attached to the body by means of a thin lead. 33. A terminal box according to claim 31, wherein the said wedge has an asymmetrical structure with at least one side situated outside the position of the cable, inclined and having a sawtooth profile corresponding to the sawtooth profile of the seat. 34. A terminal box according to claim 31, wherein said wedge has at least one inner side which is inclined and has a sawtooth profile able to engage with the cable. 35. A unit according to the claim 34, wherein the inner side has an inclination different from that of the outer side. 36. A unit according to claim 23, wherein said seat has an opening in the side opposite to the base. 37. A unit according to claim 36, wherein said seat has an overall form substantially in the form of a "U". 38. A unit according to claim 37, wherein at least one of two uprights of the "U" has a seat extending in a vertical direction and open towards the seat housing the cable. 39. A unit according to claim 37, wherein at least one of two uprights of the "U" has a seat which in turn extends in a vertical direction, is open only at the top and has a cross-section in the form of a "T". 40. A unit according to claim 37, wherein the bottom of the U-shaped seat is provided with two ribs able to define a partition and react with the cable.