locking device of an oven grill

Abstract

The present invention relates to a locking device of an oven grill. When the oven grill is being inserted into the notch of an oven, the inverted V-shaped latch on the locking sheet leans against a bending portion of the V-shaped notch of the oven due to the pulling force exerted by the spring mechanism so as to prevent the oven grill from sliding outwards to lock the oven grill. When the oven grill is to be taken out, put one hand at the front end of the oven and use fingers to lift up the S-shaped tie bar. Then, the rear end of the S-shaped tie bar moves down so as to press down the arc press plate as well as the inverted V-shaped latch such that the locking sheet gets rid of the V-shaped notch under the pulling force exerted by the spring mechanism and, in turn, the locking at two sides are removed simultaneously, thus the oven grill can be taken out evenly and smoothly using one hand.

1 . A locking device of an oven grill, comprising:
 a top rack ( 1 ), a bottom rack ( 2 ), and a pair of slide rails ( 3 ), the top rack ( 1 ) being provided on the pair of slide rails ( 3 ), and the bottom rack ( 2 ) being positioned under the slide rails ( 3 ),   wherein the slide rails ( 3 ) have locking sheets ( 4 ) provided on two sides thereof, the locking sheet ( 4 ) is hinged to a side of the slide rail ( 3 ) at one end thereof, has a spring mechanism ( 5 ) drawn upward to connect to the slide rails ( 3 ) formed at a center portion thereof, and at the other end has a tip-tilted inverted V-shaped latch ( 41 ) formed at the outer side and an arc press plate ( 42 ) at the inner side, the top surfaces of the two press plates ( 42 ) lean against two ends of an S-shaped tie bar ( 6 ), respectively, and the S-shaped tie bar ( 6 ) is hinged to side surfaces of the two slide rails ( 3 ) and winded from the front end of the oven under the top rack  1 .   
   
   
       2 . The locking device of an oven grill as claimed in  claim 1 , wherein the spring mechanism ( 5 ) is a tension spring. 
   
   
       3 . The locking device of an oven grill as claimed in  claim 1 , wherein the slide rail ( 3 ) has a stopper post ( 31 ) provided parallel to and behind a hinge position at which the S-shaped tie bar ( 6 ) hinges to the slide rail ( 3 ). 
   
   
       4 . The locking device of an oven grill as claimed in  claim 1 , wherein the S-shaped tie bar ( 6 ) is welded with a piece portion ( 7 ) having a round hole at the hinge position, through which a screw runs to hinge the S-shaped tie bar ( 6 ) to the side of the slide rail ( 3 ).