Closing device for an electrical enclosure, and a corresponding electrical enclosure

Patent metadata

Field	Value
Publication number	US-11608666-B2
Application number	US-201816765488-A
Country	US
Kind code	B2
Filing date	Sep 14, 2018
Priority date	Nov 22, 2017
Publication date	Mar 21, 2023
Grant date	Mar 21, 2023

Abstract

A locking device for a switch cabinet, with a lock door and a secondary door, wherein the secondary door, on a vertical outer edge opposite its hinge side, has a U-profile formed on a door leaf of the secondary door with a receptacle for a lock mechanism of the lock door, which receptacle is offset back relative to the door leaf and which is open towards the door leaf, wherein on an outer free profile side of the U-profile, a swivelling lever of a lock of the secondary door is pivotably mounted about an axis of rotation between an open position and a locking position. Furthermore, a corresponding switch cabinet is described.

First claim

The invention claimed is:

1. A locking device for a switch cabinet, the switch cabinet having a lock door and a secondary door that swing between open and closed positions about side hinges, said locking device comprising:
a door leaf for the secondary door, the door leaf terminating opposite its hinge in a U-profile, the U-profile being oriented towards the interior of the cabinet to provide a receptacle opening facing towards the front exterior of the cabinet, the receptacle receiving a portion of the lock door when the lock door is closed;
the U-profile having a leg portion formed from a free profile side end of the door leaf of the secondary door and extending towards the front exterior of the cabinet; and
a lock for the secondary door, the lock having a swiveling lever connected to the leg of the U-profile mounted about an axis of rotation between an open position and a locking position.

2. The locking device according to claim 1 , in which the swivelling lever is pivotable in a plane between the open position and the locking position, which plane extends parallel to the free profile side.

3. The locking device according to claim 1 , in which the axis of rotation extends perpendicular to the free profile side of the U-profile.

4. The locking device according to claim 1 , in which the free profile side extends at least approximately perpendicular or at an obtuse angle to the door leaf.

5. The locking device according claim 1 , in which, in the open position, the swivelling lever extends to the front of the secondary door beyond the door leaf plane, and in which in the locking position, the swivelling lever is arranged completely behind the door leaf plane.

6. The locking device according to claim 1 , in which the lock of the secondary door comprises a first and a second push rod, to which the swivelling lever is mechanically coupled via a scissor element, the push rods extending along an outer side of a further profile side of the U-profile arranged on the rear side of the secondary door, which further profile side is formed by a bent edge on the outer free profile side of the U-profile.

7. The locking device according to claim 1 , in which the lock of the secondary door comprises a first and a second push rod to which the swivelling lever is mechanically coupled via a scissor element, wherein a first toggle lever of the scissor element is connected at opposite ends to the first push rod and the swivelling lever via a respective first rotary connector and a second toggle lever of the scissor element is connected at opposite ends to the second push rod and the swivelling lever via a respective second rotary connector.

8. The locking device according to claim 7 , in which in each setting position of the swivelling lever, at least one of the toggle levers overlaps over its entire length with the outer free profile side of the U-profile or a pinch protection cover fixed thereto and projecting beyond it.

9. The locking device according to claim 7 , in which at least one of the toggle levers has a toggle lever rod and a V-shaped pinch protection cover which is either integrally formed on the toggle lever rod or releasably connected to it.

10. The locking device according to claim 7 , in which the toggle levers are each connected to the respective push rod via an L-shaped coupling element, which has a first attachment side which extends parallel to the outer free profile side of the U-profile and which has the rotary connector, and which coupling element has a second attachment side, which is connected to the push rod and extends parallel to an outer side of a further profile side of the U-profile arranged at the rear of the secondary door.

11. The locking device according to claim 7 , in which a pinch protection cover is fixed to the U-profile and extends parallel to the outer free profile side of the U-profile and protrudes from the rear of the U-profile.

12. The locking device according to claim 7 , in which, in the open position of the swivelling lever, a first of the toggle levers extends parallel to the outer free profile side of the U-profile and protrudes from the rear of the U-profile.

13. The locking device according to claim 7 , in which, in the open position of the swivelling lever, a second of the toggle levers extends parallel to the outer free profile side of the U-profile and protrudes over the front of the U-profile.

14. The locking device according to claim 7 , in which the toggle levers are attached to the swivelling lever oppositely with respect to the axis of rotation of the swivelling lever, wherein further axes of rotation of the rotary connectors connecting the toggle levers to the swivelling lever are arranged between the toggle levers and the swivelling lever parallel to the axis of rotation of the swivelling lever.

15. The locking device according to claim 14 , in which, in the open position of the swivelling lever, the other axes of rotation are arranged oppositely in relation to the door leaf and protrude relative to the door leaf as well as the U-profile on opposite sides thereof, wherein, in the locking position of the swivelling lever, the other axes of rotation are situated in front of the outer free profile side of the U-profile.

16. A switch cabinet, which has a locking device according to claim 1 , the lock door and the secondary door being hinged to opposite vertical profiles of a frame of the switch cabinet, wherein in a closed position of lock door and secondary door the receptacle of the secondary door is covered by the lock door.

17. The switch cabinet according to claim 16 , in which the frame has a horizontal strut which connects opposite ends of the vertical profiles to one another, wherein a sealing center piece with a profile receptacle open to the outer side of the frame is attached to the horizontal strut, and wherein a sealing element is accommodated in the profile receptacle which seals the U-profile at one of its longitudinal ends with respect to the profile receptacle.

18. The switch cabinet according to claim 17 , in which the sealing center piece is attached to a Z-edge of the horizontal strut, wherein an upper horizontal profile side of the Z-edge has a system perforation of regularly spaced fastening receptacles, wherein the sealing center piece has a passage aligned with one of the fastening receptacles for the free end of a push rod of the lock, and wherein the free end extends into the horizontal strut through the passage and the aligned fastening receptacle in the locking position of the swivelling lever.

19. The switch cabinet according to claim 17 , in which the sealing center piece comprises a hard component having the profile receptacle and a soft component forming the sealing element, the sealing element lining the profile receptacle along its inner circumference, wherein the sealing element has several sealing lips spaced parallel to one another and projecting horizontally from the inner circumference.

20. The switch cabinet according to claim 17 , in which on a side facing the interior of the frame, the profile receptacle has a cut-out into which a portion of the sealing element projects.

Assignees

• Rittal Gmbh & Co Kg

Inventors

• Brück Daniel
• Wirbelauer Sascha

Classifications

• E05C7/045 Primary

  Sliding bolts mounted on or in the edge of a normally closed wing of a double-door or -window · CPC title

• E05C9/1808

  Keepers · CPC title

• E05C7/06 Primary

  a fastening device for one wing being actuated or controlled by closing another wing {(locking one vehicle door by shutting another E05B77/52)} · CPC title

• E05C9/043

  with crank pins and connecting rods · CPC title

• E05C9/04

  with two sliding bars moved in opposite directions when fastening or unfastening · CPC title