Device for linking and connecting a line

• US 6,520,800 B1
• Filed: 06/27/2000
• Issued: 02/18/2003
• Est. Priority Date: 11/22/1997
• Status: Expired due to Fees

• Current Assignee: Bartec Componenten Und Systeme GmbH, Sandia Corporation (Martin Marietta Corporation)
• Original Assignee: Bartec Componenten Und Systeme GmbH
• Inventors: Michelbach, Thomas, Schmahl, Gisbert
• Primary Examiner(s): Ta, Tho D.
• Application Number:
  US09/554,978
• Time in Patent Office: 966 Days
• Field of Search: 439/437, 439/438, 439/440, 439/441, 439/436, 439/578, 439/583, 439/584, 439/585, 439/271, 439/587, 439/274, 439/275, 439/279, 439/359, 439/367, 439/579, 439/834, 439/835, 439/439, 439/98
• US Class Current: 439/578
• CPC Class Codes: H01R 13/527 Flameproof cases H01R13/70 takes precedence
• CPC Class Codes: H01R 13/533 Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure H01R13/52 takes precedence
• CPC Class Codes: H01R 13/5816 for cables passing through an aperture in a housing wall, the separate part being captured between cable and contour of aperture
• CPC Class Codes: H01R 13/622 Screw-ring or screw-casing H01R13/623 takes precedence
• CPC Class Codes: H01R 2101/00 One pole
• CPC Class Codes: H01R 4/48185 adapted for axial insertion of a wire end
• CPC Class Codes: H05B 3/04 Waterproof or air-tight seals for heaters
• CPC Class Codes: H05B 3/06 Heater elements structurally combined with coupling elements or holders

Abstract

A device for an electrical conduit (20), a heating conductor (21), or heating cable, with a cross subdivided, tubular casing (6) is furnished. The device exhibits two casing parts (8,9,58) disengageably connected to each other, a bush part (42) and at least a contact bolt (48) disposed parallel to the longitudinal axis of the casing (6). A cage tension spring (38) is disposed at the contact bolt (48) of the bush part (42) for connecting of conduit wires. A connection bolt (37) is furnished between the floor (32) of a case (28) and the case tension spring (38) for the contacting of a conduit braided screen (33).

Claims

1. Device for an electrical conduit (20), a heating conductor (21), or heating cable, with a cross subdivided, tubular casing (6), which exhibits two casing parts (8, 15, 58) disengageably connected to each other, a bush part (42) having at least a contact bolt (48) disposed parallel to the longitudinal axis of the casing (6), characterized in that a cage tension spring (38) is connected to the contact bolt (48) of the bush part (42) for connecting to the conduit (20), wherein a connection bolt (37) is connected to the cage tension spring (38), and wherein the connection bolt (37) is furnished between a floor (32) of a case (28) and the cage tension spring (38) and wherein the connection bolt (37) contacts a conduit braided screen (33) of the heating conductor (21).

2. Device according to claim 1, characterized in that the contact bolt (48) has a contact bush (49) for receiving of a contact plug (47) disposed at a contact pin (46) of a plug part (40).

3. Device according to claim 1, characterized in that, the cage tension spring (38) is disposed at the contact bolt (48) of the bush part (42) and/or the contact pin (46) of a plug part (40).

4. Device according to claim 1, characterized in that, a plug part (40) and/or the bush part (42) exhibit a control opening (73) for the conductor wire contacting at the cage tension spring (38).

5. Device according to claim 1, characterized in that, a sealing part (13) is formed as a permanent elastic plastic material injection molding part preferably produced from liquid silicon.

6. Device according to claim 1, characterized in that, the casing part (8, 58) exhibits a safety arm (14), which grips over the other casing part (9).

7. Device according to claim 1, characterized in that, the safety arm (14) of the casing part (8,58) exhibits a securing screw (15), wherein the securing screw (15) is pressable against the other casing part (9).

8. Device according to claim 1, characterized in that, the cage tension spring (38) is movable with a slider (51) into an opening position.

9. Device according to claim 8, characterized in that, the slider (51) exhibits an inclined face (52) corresponding to the cage tension spring (38).

10. Device according to claim 9, characterized in that, the inclined face (52) of the slider (51) exhibits a flat inclined face part (53) and a stronger inclined face part (54).

11. Device according to claim 10, characterized in that, the slider (51) is movable with an actuator (55) furnished advantageously at the bush part (42) and/or plug part (40), wherein the actuator (55) exhibits advantageously a structured gripping face (57).

12. Device according to claim 10, characterized in that, a plug-in coupling (39) exhibits a forced guide for preventing an erroneous assembly of the bush part (42) and of the plug part (40).

13. Device according to claim 12, characterized in that, the forced guide of the plug-in coupling (39) comprises a pin (41) asymmetric relative to the longitudinal axis, wherein the pin (41) engages shape matching into a correspondingly formed recess (43).

14. Device according to claim 13, characterized in that, the pin (41) of the forced guide is formed at the plug part (40) and the recess is formed at the bush part (42).

15. Device according to claim 14, characterized in that, the plug part (40) and the bush part (42) are surrounded by cover parts (68) having a circular segment shaped cross-section.

16. Device according to claim 15, characterized in that, the plug part (40) and the bush part (42) exhibit a pocket hole (69) receiving a cylinder part (70) of a sleeve shaped case (28).

17. Device according to claim 16, characterized in that, the casing parts (8,15,58) exhibit a screw connection (10).

18. Device according to claim 17, characterized in that, the casing part (8,58) exhibits a threaded sleeve (11) for receiving of a threaded connection (12) furnished at the casing part (9).

19. Device according to claim 18, characterized in that, a sealing part (13) is furnished between the threaded (11) and the threaded connection (12).

20. Device according to claim 19, characterized in that, the sealing part (13) is embedded in a groove of the threaded (11) and engages the threaded connection (12).

21. An electrical connector device comprising

a first tubular casing part (9) having a first axis and having a free end and a connection end;

a conduit wire passing through the free end of the first tubular casing part;

a second tubular casing part (8, 58) having a second axis and having a free end and a connection end and disengageably connected with its connection end to the connection end of the first tubular casing part (9) and wherein the first axis coincides with the second axis when the first tubular casing part (9) is connected to the second tubular casing part (8, 58);

a heating conductor passing through the free end of the second tubular casing part;

a bush part (42) disposed in the first tubular casing part (9);

a contact bolt (48) is embedded in the bush part (42) and disposed in the first tubular casing part (9) and disposed parallel to the longitudinal axis of the first tubular casing part (9) and connected to the conduit wire;

a cage tension spring (38) disposed at the contact bolt (48) of the bush part (42) and connected to the contact bolt;

a case (28) disposed in the second tubular casing part (8, 58);

a floor (32) of the case (28);

a conduit braided screen (33) connected to the heating conductor;

a connection bolt (37) is connected to the cage tension spring (38) and furnished between the floor (32) of the case (28) and the cage tension spring (38) for the contacting of the conduit braided screen (33).

22. An electrical connector device comprising

a first tubular casing part (9) having a first axis and having a free end and a connection end;

a conduit wire passing through the free end of the first tubular casing part;

a second tubular casing part (8, 58) having a second axis and having a free end and a connection end and disengageably connected with its connection end to the connection end of the first tubular casing part (9) and wherein the first axis coincides with the second axis when the first tubular casing part (9) is connected to the second tubular casing part (8, 58);

a heating conductor passing through the free end of the second tubular casing part;

a contact bolt (48) is embedded in a bush part (42) and disposed in the first tubular casing part (9) and disposed parallel to the longitudinal axis of the first tubular casing part (9) and connected to the conduit wire;

a cage tension spring (38) disposed at the contact bolt (48) of the bush part (42) and connected to the contact bolt;

a connection bolt (37) connected to the cage tension spring (38);

a conduit braided screen (33) connected to the heating conductor and to the connection bolt (37).