Punching-free mounting assembly for installing a curtain

1. A punching-free mounting assembly for installing a curtain, comprises: a mounting seat ( 1 ); wherein the mounting seat ( 1 ) is provided with a top block ( 3 ) slidingly connected with the mounting seat ( 1 ), and a self-locking unit used for pushing the top block ( 3 ); a part of the self-locking unit is exposed outside the mounting seat ( 1 );

wherein one end of the mounting seat ( 1 ) is a closed end, the other end of the mounting seat ( 1 ) is an open end; the self-locking unit comprises a worm gear ( 5 ), a worm ( 4 ), a lead screw ( 6 ) and a lead screw nut ( 7 ), the worm gear ( 5 ) is integrally formed with the lead screw ( 6 ), and the worm ( 4 ) is in threaded fit with the worm gear ( 5 ); the lead screw nut ( 7 ) is screwed on the lead screw ( 6 ); the closed end of the mounting seat ( 1 ) is provided with a through hole ( 1 . 1 ) for the lead screw ( 6 ) to extend into, and the worm gear ( 5 ) and the worm ( 4 ) are exposed outside mounting seat ( 1 ).

2. The punching-free mounting assembly for installing a curtain of claim 1 , wherein a shape of the top block ( 3 ) matches a shape of an inner cavity of the mounting seat ( 1 ), the top block ( 3 ) is inwardly provided with a round cavity ( 3 . 1 ) sleeved with the lead screw ( 6 ) and the lead screw nut ( 7 ), and the lead screw nut ( 7 ) is provided with a square end surface ( 7 . 1 ) used for pushing the top block ( 3 ), a shape of the square end surface ( 7 . 1 ) is matched with the shape of the inner cavity of the mounting seat ( 1 ).

3. The punching-free mounting assembly for installing a curtain of claim 2 , wherein the mounting seat ( 1 ) is provided with an elastic piece ( 2 ); end of the elastic piece ( 2 ) is sleeved with the lead screw nut ( 7 ) and abuts against the square end surface ( 7 . 1 ) of the lead screw nut ( 7 ), and second end of the elastic piece ( 2 ) inserts into the round cavity ( 3 . 1 ) and abuts against inner end surface of the top block ( 3 ).

4. The punching-free mounting assembly for installing a curtain of claim 1 , wherein outer end surface of the top block ( 3 ) is connected with a top cover ( 8 ).

5. The punching-free mounting assembly for installing a curtain of claim 1 , wherein the closed end of the mounting seat ( 1 ) is provided with a connecting cover ( 9 ), the connecting cover ( 9 ) is provided with a first arc-shaped groove ( 9 . 1 ), and the mounting seat ( 1 ) is provided with a second arc-shaped groove ( 1 . 4 ) opposite to the first arc-shaped groove ( 9 . 1 ); the first arc-shaped groove ( 9 . 1 ) and the second arc-shaped ( 1 . 4 ) groove are spliced into an accommodating cavity ( 10 ) for containing the worm ( 4 ).

6. The punching-free mounting assembly for installing a curtain of claim 5 , wherein the connecting cover ( 9 ) is internally provided with a concave cavity ( 9 . 2 ) for avoiding the worm gear ( 5 ), and the concave cavity ( 9 . 2 ) is communicated with the accommodating cavity ( 10 ).

7. The punching-free mounting assembly for installing a curtain of claim 5 , wherein the two ends of the accommodating cavity ( 10 ) are communicated with the outside; the accommodating cavity ( 10 ) is symmetrically provided with first annular step surfaces ( 10 . 1 ) inside, and the worm ( 4 ) is provided with second annular step surfaces ( 4 . 1 ) matched with the first annular step surfaces ( 10 . 1 ).

8. The punching-free mounting assembly for installing a curtain of claim 5 , wherein one end of the connecting cover ( 9 ), the one end of which away from the mounting seat ( 1 ), extends to form a connecting part ( 9 . 3 ) for connecting the mounting rod of a curtain.