Fixing device and faucet installation device

Abstract

The present disclosure discloses a fixing device and a faucet installation device. The fixing device comprises a base and a pressing block mechanism. The pressing block mechanism comprises two pressing plates. The two pressing plates are respectively connected to a locking rod, and an inner side wall of the base protrudes to define two connecting bases. At least one of the locking rods is configured to move relative to the base between a working state and a movable state. Movement of the at least one of the locking rods between the working state and the movable state cooperates with the change of the pressing block mechanism between the unfolded state and the folded state.

What is claimed is: 
     
         1 . A fixing device, comprising:
 a base, and   a pressing block mechanism, wherein:
 the base and the pressing block mechanism are disposed in a first direction, 
 the base comprises an inner side wall, 
 the pressing block mechanism comprises two pressing plates, 
 the two pressing plates are respectively connected to a locking rod, 
 the two pressing plates are rotatably connected together to change between an unfolded state and a folded state, 
 a rotation axis of the two pressing plates is disposed in the first direction, 
 outlines of the pressing block mechanism in the unfolded state and the folded state are different, 
 the inner side wall of the base protrudes to define two connecting bases, 
 at least one of the locking rods is configured to move relative to the base between a working state and a movable state, 
 movement of the at least one of the locking rods between the working state and the movable state cooperates with the change of the pressing block mechanism between the unfolded state and the folded state, and 
 the locking rods, when in the working state, cooperate with the two connecting bases to enable a fixed object to be clamped between the two pressing plates and the base to achieve a fixed connection through the locking rods. 
   
     
     
         2 . The fixing device according to  claim 1 , wherein:
 the locking rods comprises two locking rods, and   the two locking rods are configured to move relative to the base between the working state and the movable state.   
     
     
         3 . The fixing device according to  claim 1 , wherein:
 the locking rods comprise a first locking rod and a second locking rod,   the two connecting bases comprise a first connecting base and a second connecting base,   the first locking rod is configured to move relative to the base between the working state and the movable state,   the second locking rod is connected to the second connecting base and is always in the working state, and   when the first locking rod is in the working state,
 the first locking rod is connected to the first connecting base. 
   
     
     
         4 . The fixing device according to  claim 1 , comprising:
 a rotation shaft, wherein:
 the two pressing plates are rotatably connected together by the rotation shaft. 
   
     
     
         5 . The fixing device according to  claim 1 , wherein an area of the outline of the pressing block mechanism in the unfolded state is larger than an area of the outline of the pressing block mechanism in the folded state. 
     
     
         6 . The fixing device according to  claim 1 , wherein:
 the at least one of the locking rods configured to move relative to the base between the working state and the movable state is a first locking rod,   the first locking rod cooperates with a first connecting base of the two connecting bases, and   the first locking rod is configured to move on a plane perpendicular to the first direction to control the first locking rod to be in the working state and the movable state.   
     
     
         7 . The fixing device according to  claim 1 , wherein the locking rods, when in the working state, are configured to move in the first direction to control a distance between the two pressing plates and the base to enable the fixed object to be clamped between the two pressing plates and the base. 
     
     
         8 . The fixing device according to  claim 3 , wherein:
 the second connecting base comprises a connecting hole, and   the second locking rod passes through the connecting hole and is connected to a corresponding one of the two pressing plates.   
     
     
         9 . The fixing device according to  claim 3 , wherein:
 the first connecting base comprises an inlet slot, and   the first locking rod, when in the working state, is disposed in the inlet slot.   
     
     
         10 . The fixing device according to  claim 9 , wherein:
 the inlet slot penetrates in the first direction, and   an opening of the inlet slot is disposed on an outer side wall of the first connecting base.   
     
     
         11 . The fixing device according to  claim 1 , wherein:
 the locking rods are screw rods,   the screw rods comprise threaded portions, and   the threaded portions are screwed to the two pressing plates.   
     
     
         12 . The fixing device according to  claim 4 , wherein:
 the two pressing plates comprise first ends and second ends,   the rotation shaft is connected to the first ends of the two pressing plates, and   the locking rods are connected to the second ends of the two pressing plates.   
     
     
         13 . The fixing device according to  claim 12 , wherein:
 the two pressing plates comprise a first pressing plate and a second pressing plate,   the first end of the first pressing plate protrudes to define a protrusion,   the first end of the second pressing plate extends inward to define a coupling groove,   the protrusion cooperates with and is disposed in the coupling groove, and   the rotation shaft passes through the first end of the second pressing plate and the protrusion.   
     
     
         14 . The fixing device according to  claim 13 , wherein:
 the two pressing plate comprise semicircular plates, and   two arc ends of the semicircular plates are respectively the first ends and the second ends.   
     
     
         15 . The fixing device of  claim 14 , wherein surfaces of the semicircular plates of the two pressing plates facing each other extend inward to define a given space. 
     
     
         16 . The fixing device according to  claim 1 , wherein end faces of the two pressing plates facing the base are aligned. 
     
     
         17 . The fixing device according to  claim 1 , wherein the two pressing plates comprise pressing blocks and anti-skid pads fixed on the pressing blocks. 
     
     
         18 . The fixing device according to  claim 1 , wherein:
 the base comprises a sleeve, and   an inner side wall of the sleeve protrudes to define the two connecting bases.   
     
     
         19 . A fixing device, comprising:
 a base, and   a pressing block mechanism, wherein:
 the base and the pressing block mechanism are disposed in a first direction, 
 the base comprises an inner side wall, 
 the pressing block mechanism comprises two pressing plates, 
 the two pressing plates are respectively connected to a locking rod, 
 the two pressing plates are rotatably connected together to change between an unfolded state and a folded state, 
 a rotation axis of the two pressing plates is disposed in the first direction, 
 outlines of the pressing block mechanism in the unfolded state and the folded state are different, 
 the inner side wall of the base protrudes to define two connecting bases, 
 the locking rods are configured to move relatively to enable the locking rods to move following the change of the pressing block mechanism between the unfolded state and the folded state, and 
 the locking rods cooperate with the two connecting bases to enable a fixed object to be clamped between the two pressing plates and the base to achieve a fixed connection through the locking rods. 
   
     
     
         20 . A faucet installation device, comprising:
 a faucet,   a countertop, and   the fixing device according to  claim 1 , wherein:
 the fixed object comprises the countertop, 
 the countertop comprises a through hole, 
 the base and the faucet are fixed together, 
 the locking rods passes through the through hole, and 
 the countertop is clamped between the base and the two pressing plates to enable the faucet to be fixed on the countertop.