Connection device, ceiling formwork system having a connection device, and use of a connection device

Abstract

The invention relates to a multi-part connection device (100) for a safety device (200) of a ceiling formwork system (300) for producing a ceiling or a ceiling section in concrete construction, comprising:(a) a base part (110) with at least one plug-in pin (111) extending away from the base part (110),b) a plug-on part (120) with at least one recess (123) for reception of the plug-in pin (111) of the base part (110), wherein the plug-on part (110) comprises a first end portion (121) for connection to the safety device (200), preferably to a linkage (210) of the safety device (200), and a second end portion (122) with means for connection to a support (310) of the ceiling formwork system (300).The invention further relates to a ceiling formwork system (300) comprising such a connection device (100). Furthermore, a use of the connection device (100) is disclosed.

1 . A multi-part connection device ( 100 ) for a safety device ( 200 ) of a ceiling formwork system ( 300 ) for producing a ceiling or a ceiling section in concrete construction, comprising:
 (a) a base part ( 110 ) having at least one plug-in pin ( 111 ) extending away from the base part ( 110 ),   b) a plug-on part ( 120 ) with at least one recess ( 123 ) for reception of the plug-in pin ( 111 ) of the base part ( 110 ),   wherein the plug-on part ( 110  [sic:  120 ]) has a first end portion ( 121 ) for connection to the safety device ( 200 ), preferably to a linkage ( 210 ) of the safety device ( 200 ), and a second end portion ( 122 ) with means for connection to a support ( 310 ) of the ceiling formwork system ( 300 ).   
     
     
         2 . The connection device ( 100 ) according to  claim 1 ,
 characterized in that the means provided at the second end portion ( 122 ) of the plug-on part ( 120 ) for connection to the beam ( 310 ) effect a force, friction or form closure between the plug-on part ( 120 ) and the beam ( 310 ) under load of the safety device.   
     
     
         3 . The connection device ( 100 ) according to  claim 1 or 2 ,
 characterized in that the means provided at the second end portion ( 122 ) of the plug-on part ( 120 ) for connection to the beam ( 310 ) comprise at least one protrusion ( 124 ), for example in the form of a tooth, a mandrel and/or a tip, which can be brought into engagement with the beam ( 310 ).   
     
     
         4 . The connection device ( 100 ) according to  any one of the preceding claims ,
 characterized in that the plug-on part ( 120 ) is tubular at least in sections and/or is made from a tubular piece which is preferably cut out over a partial circumferential region in the region of the second end portion ( 122 ) to form the at least one protrusion ( 124 ).   
     
     
         5 . The connection device ( 100 ) according to  any one of the preceding claims ,
 characterized in that at least the first end portion ( 121 ) of the plug-on part ( 120 ) is tubular for connection to a linkage ( 210 ) of the safety device ( 200 ), so that a plug-on connection can be established.   
     
     
         6 . The connection device ( 100 ) according to  claim 5 ,
 characterized in that the plug-on part ( 120 ) has at least one opening ( 125 ) on the jacket side or side for reception of a plug-in pin ( 126 ) for locking the plug-in connection.   
     
     
         7 . The connection device ( 100 ) according to  any one of the preceding claims ,
 characterized in that the plug-on part ( 120 ) has, on the jacket side or laterally, a hook- or eye-like reception ( 127 ) for a net ( 220 ) or a grid of the safety device ( 200 ).   
     
     
         8 . The connection device ( 100 ) according to  any one of the preceding claims ,
 characterized in that the base part ( 110 ) has a base plate ( 112 ) with at least two plug-in pins ( 111 ) which are opposite one another at a distance (a) on the base plate ( 112 ) and extend, preferably perpendicularly to the base plate ( 112 ), in a first direction.   
     
     
         9 . The connection device ( 100 ) according to  claim 8 ,
 characterized in that two further plug-in pins ( 111 ) lie opposite one another at a distance (b) on the base plate ( 112 ) and extend, preferably perpendicularly to the base plate ( 112 ), in a second direction.   
     
     
         10 . The connection device ( 100 ) according to  claim 8 or 9 ,
 characterized in that the base plate ( 112 ) is substantially rectangular and has in at least one corner region, preferably in all four corner regions, a recess ( 113 ) for connection to a fork element ( 320 ) of the ceiling formwork system ( 300 ), wherein furthermore preferably the recess ( 113 ) has an undercut area ( 118 ).   
     
     
         11 . The connection device ( 100 ) according to  any one of the preceding claims ,
 characterized in that the base part ( 110 ) comprises a base plate ( 112 ) with at least four plug-in pins ( 111 ), which oppose each other in pairs at a distance (a) on the base plate ( 112 ) and extend, preferably perpendicular to the base plate ( 112 ), in a first direction.   
     
     
         12 . The connection device ( 100 ) according to  claim 11 ,
 characterized in that four further plug-in pins ( 111 ) lie opposite one another in pairs at a distance (b) on the base plate ( 112 ) and extend, preferably perpendicularly to the base plate ( 112 ), in a second direction.   
     
     
         13 . The connection device ( 100 ) according to  claim 11 or 12 ,
 characterized in that the plug-on part ( 120 ) has two recesses ( 123 ) on the shell side for reception of two plug-in pins ( 111 ) of the base part ( 110 ).   
     
     
         14 . The connection device ( 100 ) according to any one of  claims 1 to 7 ,
 characterized in that the base part ( 110 ) comprises a strip ( 114 ) with at least one plug-in pin ( 111 ), which is arranged on an upper side ( 115 ) of the strip ( 114 ) and preferably extends perpendicularly to the upper side ( 115 ) of the strip ( 114 ).   
     
     
         15 . The connection device ( 100 ) according to  claim 14 ,
 characterized in that the strip ( 114 ) is formed from a piece of tubing, preferably from a square tube, and/or has at least two, preferably four, recesses ( 117 ) arranged next to one another on a longitudinal side ( 116 ) for connection to a fork element ( 320 ) of the ceiling formwork system ( 300 ), wherein preferably the recesses ( 117 ) each have an undercut areas ( 118 ) for positive connection to the fork element ( 320 ).   
     
     
         16 . A ceiling formwork system ( 300 ) for producing a ceiling or a ceiling section in concrete construction, comprising a fork element ( 320 ) connectable to a ceiling support ( 330 ), a beam ( 310 ) insertable into the fork element ( 320 ), and at least one connection device ( 100 ) according to  any one of the preceding claims  for connecting a safety device ( 200 ). 
     
     
         17 . The ceiling formwork system ( 300 ) according to any one of  claim 16 ,
 characterized in that the base part ( 110 ) of the connection device ( 100 ) is attachable or plugged onto the fork element ( 320 ), so that the base part ( 110 ) is arranged below or next to the beam ( 310 ) in the position of use.   
     
     
         18 . The ceiling formwork system ( 300 ) according to  claim 16 or 17 ,
 characterized in that the plug-on part ( 120 ) of the connection device ( 100 ) can be plugged or plugged onto the plug-in pin ( 111 ) or pins ( 111 ) of the base part ( 110 ), so that in the position of use of the plug-on part ( 120 ) the at least one protrusion ( 124 ) rests on the beam ( 310 ), preferably on a lower chord ( 311 ) of the beam ( 310 ).   
     
     
         19 . A use of a connection device ( 100 ) according to any one of  claims 1 to 15  in a ceiling formwork system ( 300 ) for connecting a safety device ( 200 ) to a fork element ( 320 ) of the ceiling formwork system ( 300 ) connected to a ceiling support ( 330 ).