Retractable curtain rail

Abstract

The present invention discloses a retractable curtain rail. including a guiding rail body, wherein the guiding rail body includes an external guiding rail, an internal guiding rail and a transmission case, the internal guiding rails are configured to be two pieces and respectively inserted at both ends of the external guiding rail, which is connected with the internal guiding rails by means of a connector, and the transmission cases are configured to be two pieces and respectively fixed on the ends of the two internal guiding rails, a driving wheels is movably connected inside the two transmission boxes, respectively, a transmission belt is connected between the two driving wheels, the transmission belt is fixedly connected with two curtain heads. The retractable curtain rail has following beneficial effects.

What is claimed is: 
     
         1 . A retractable curtain rail, comprising a guiding rail body ( 1 ), wherein said guiding rail body ( 1 ) includes an external guiding rail ( 11 ), an internal guiding rail ( 12 ) and a transmission case ( 13 ), said internal guiding rails ( 12 ) are configured to be two pieces and respectively inserted into both ends of said external guiding rail ( 11 ), which is connected with said internal guiding rails ( 12 ) by means of a connector ( 6 ), and said transmission cases ( 13 ) are configured to be two pieces and respectively fixed on the ends of said two, internal guiding rails ( 12 ), a driving wheels ( 2 ) is movably connected inside said two transmission boxes ( 13 ), respectively, a transmission belt ( 3 ) is connected between said two driving wheels ( 2 ), said transmission belt ( 3 ) is fixedly connected with two curtain heads ( 4 ), the bottom of said guiding rail body ( 1 ) is further slidably connected with a plurality of curtain-hinging pieces ( 5 ). 
     
     
         2 . The retractable curtain rail according to  claim 1 , wherein said external guiding rail ( 11 ) includes two external groove-shaped ribs ( 111 ) symmetrically distributed, between which a first connecting rib ( 112 ) is fixedly connected. 
     
     
         3 . The retractable curtain rail according to  claim 1 , wherein said internal guiding rail ( 12 ) includes two internal groove-shaped ribs ( 121 ) symmetrically distributed, between which a second connecting rib ( 122 ) is fixedly connected, the inner bottom walls of said two internal groove-shaped ribs ( 121 ) are both provided with a lower positioning plates ( 123 ), said second connecting rib ( 122 ) includes a transverse plate ( 1221 ) and two upper positioning plates ( 1222 ), said two upper positioning plates ( 1222 ) are fixedly arranged at the bottom of said transverse plate ( 1221 ). 
     
     
         4 . The retractable curtain rail according to  claim 1 , wherein said connector ( 6 ) includes a sleeved housing ( 61 ), the two ends of which are respectively sleeved with said external guiding rail ( 11 ) and said internal guiding rail ( 12 ), the bottom of said sleeved housing ( 61 ) is provided with a recess ( 62 ), the inner wall of which is fixedly connected with a jamming block ( 63 ), a first limit block ( 64 ) is fixedly connected to the inner top wall of said sleeved housing ( 61 ) close to said internal guiding rail ( 12 ), a second limit block ( 65 ) is fixedly connected to the inner top wall of said sleeved housing ( 61 ) close to said external guiding rail ( 11 ), the top surface of said sleeved housing ( 61 ) is provided with a first connecting screw ( 66 ). 
     
     
         5 . The retractable curtain rail according to  claim 1 , wherein one end of said transmission case ( 13 ) close to said internal guiding rail ( 12 ) is provided with a connecting groove ( 131 ), the inner wall of which has two through holes ( 132 ) communicating with the inner cavity of said transmission case ( 13 ) and is further fixedly connected with a positioning ridge ( 133 ). 
     
     
         6 . The retractable curtain rail according to  claim 1 , wherein said transmission belt ( 3 ) penetrates the inner cavity of said external guiding rail ( 11 ) and the inner cavity of said internal guiding rail ( 12 ) and extends to the inside of said transmission case ( 13 ) through said through hole ( 132 ). 
     
     
         7 . The retractable curtain rail according to  claim 1 , wherein said curtain head ( 4 ) includes a base plate ( 41 ), which is fixedly connected with said transmission belt ( 3 ), an installation plate ( 42 ) is fixedly connected to one side of said base plate ( 41 ), both ends of said base plate ( 41 ) are provided with a transverse guiding wheel ( 43 ) and a longitudinal guiding wheel ( 44 ), both said transverse guiding wheel ( 43 ) and said longitudinal guiding wheel ( 44 ) are movably connected to said base plate ( 41 ). 
     
     
         8 . The retractable curtain rail according to  claim 1 , wherein said curtain-hinging piece ( 5 ) includes a connecting plate ( 51 ), a pulley ( 52 ) is movably connected to the top of said connecting plate ( 51 ). 
     
     
         9 . The retractable curtain rail according to claim I, wherein the top of said guiding rail body ( 1 ) is provided with an installation buckle ( 7 ), which includes a movable piece ( 71 ), two inclined jamming strips ( 72 ) are fixedly-connected to the bottom of said movable piece ( 71 ), on the surface of which an installation hole ( 73 ) is arranged, and on both ends of which second connecting screws ( 74 ) are arranged.