Telescopic window curtain rod with self-locking function

Abstract

The present invention discloses a telescopic window curtain rod with a self-locking function, comprising an outer tube and an inner tube, wherein the inner tube may be sleeved in an inner cavity of the outer tube and may slide in the length direction of the outer tube; springs are clamped at one end of the inner tube and a part of the springs extends out the inner tube, an elastic sheet is tilted between the two springs, one end of the elastic sheet is fixed on the inner side surface of the inner tube and the other end thereof is slanted to the direction of an opening; the elastic sheet is provided with a shielding sheet at the distal end away from the end surface of the inner tube, and the elastic sheet is fixedly connected with the end surface of the spring on both sides.

What is claimed is: 
     
         1 . A telescopic window curtain rod with a self-locking function, characterized by comprising: an outer tube having a hollow inner cavity and an opening on one side, and an inner tube, wherein the inner tube may be sleeved in the inner cavity of the outer tube and may slide in the length direction of the outer tube; springs are clamped between two sides of one end of the inner tube and a part of the springs extends out the end surface of the inner tube, an elastic sheet is tilted between the two springs, one end of the elastic sheet is fixed on the inner side surface of the inner tube relative to the opening, and the other end thereof is slanted to the direction of the opening; the elastic sheet is provided with a shielding sheet at the distal end away from the end surface of the inner tube, and the elastic sheet is fixedly connected with the end surfaces of the springs on both sides. 
     
     
         2 . The telescopic window curtain rod with a self-locking function of  claim 1 , characterized in that: the shielding sheet is fixedly connected or welded with the elastic sheet together, spring guide posts are arranged on both sides of the shielding sheet, and the springs are sleeved on the spring guide posts. 
     
     
         3 . The telescopic window curtain rod with a self-locking function of  claim 2 , characterized in that: the cross section of each of the inner tube and the outer tube is oval, the opening is provided at the straight edge of the outer tube and the inner tube, and the outer tube and the inner tube are provided with guide ribs outwards protruding in the lengthwise direction on both sides of the opening. 
     
     
         4 . The telescopic window curtain rod with a self-locking function of  claim 3 , characterized in that: the telescopic window curtain rod also comprises a hanging pendant arranged at the opening of the outer tube or the inner tube and sliding in the length direction of the outer tube or the inner tube, the hanging pendant comprising a lower ear accessory having a through hole and an upper eardrop having an upper tower, wherein the upper eardrop is provided with two annular grooves, and the annular grooves are adapted to the width of the opening of the outer tube or the inner tube. 
     
     
         5 . The telescopic window curtain rod with a self-locking function of  claim 4 , characterized in that: the lower ear accessory is integrated with the upper eardrop. 
     
     
         6 . The telescopic window curtain rod with a self-locking function of  claim 4 , characterized in that: the telescopic window curtain rod also comprises a horizontal support, the horizontal support including a horizontal fixed plate, a horizontal rod connected below the horizontal fixed plate and a ring support connected below the horizontal rod and provided with an opening. 
     
     
         7 . The telescopic window curtain rod with a self-locking function of  claim 4 , characterized in that: the telescopic window curtain rod also comprises a vertical support, the vertical support including a vertical fixed plate, wherein a ring support is fixedly arranged at the front end of the vertical fixed plate. 
     
     
         8 . The telescopic window curtain rod with a self-locking function of  claim 4 , characterized in that: the telescopic window curtain rod also comprises decorative rod heads arranged at both ends, the decorative rod heads including a decorative ball and a decorative ring connected with the decorative ball, wherein the decorative ring is annular and is adapted to the cross-sectional shape of the outer tube or the inner tube.