Buckle mechanism of dust collecting barrel of two-stage dust collector

Abstract

A buckle mechanism of a dust collecting barrel of a two-stage dust collector is provided. The buckle mechanism is disposed on the two-stage dust collector, and includes a first retaining seat and a second retaining seat corresponding to one side of the dust collector, and a support unit is disposed on a barrel cover. The first retaining seat is pivotally connected with a linking unit. One end of the linking unit is connected to the support unit. The second retaining seat is pivotally connected with a control unit. The linking unit is driven to actuate through two connecting members. The control unit drives the linking unit to actuate. By the lever principle, the linking unit drives the barrel cover to move up and down so as to assemble and disassemble the dust collecting barrel quickly and conveniently.

What is claimed is: 
     
         1 . A buckle mechanism of a dust collecting barrel of a two-stage dust collector, the buckle mechanism being disposed on the two-stage dust collector, the dust collector comprising a machine stand, the machine stand being provided with a wind guide barrel and a telescopic tube connected to a lower end of the wind guide barrel, another end of telescopic tube is provided with a barrel cover, the buckle mechanism being connected to the barrel cover for controlling the barrel cover to seal the dust collecting barrel, the buckle mechanism comprising:
 a first retaining seat, disposed at an inner side of the machine stand, two sides of the first retaining seat having first pivot ends, respectively;   a second retaining seat, fixed to an outer side of the machine stand and parallel to the first retaining seat, two sides of the second retaining seat having second pivot ends, respectively;   a support unit, disposed on the barrel cover, the support unit including a support member, the support member having a central through hole for the telescopic tube to pass therethrough to be fixed to the barrel cover, two sides of the support member having connecting portions, respectively;   a linking unit, pivotally connected to the first retaining seat, the linking unit having first pivot portions corresponding to the first pivot ends, the linking unit being pivotally connected to the first pivot ends of the first retaining seat through the first pivot portions, one end of the linking unit having a first connecting end, the first connecting end being connected to the connecting portions of the support unit, another end of the linking unit having a second connecting end;   a control unit, pivotally connected to the second retaining seat, one end of the control unit being pivotally connected to the second pivotal ends, another end of the control unit being transversely provided with an operating rod, two sides of the control unit each having a coupling portion at a central portion thereof;   two connecting members, one end of each of the two connecting members being connected to the second connecting end of the linking unit, another end of each of the two connecting members being connected to the coupling portion of the control unit;   thereby, the control unit being driven by the operating rod to actuate, the linking unit being driven to swing by the connecting members, and the support unit being driven to move the barrel cover up and down.   
     
     
         2 . The buckle mechanism of the dust collecting barrel of the two-stage dust collector as claimed in  claim 1 , wherein the first retaining seat is a U-shaped plate body, and one side of the first retaining seat, facing the machine stand, has a first retaining portion for the first retaining seat to be fixed to the machine stand. 
     
     
         3 . The buckle mechanism of the dust collecting barrel of the two-stage dust collector as claimed in  claim 1 , wherein the second retaining seat is a U-shaped plate body, and one side of the second retaining seat, facing the machine stand, has a second retaining portion for the second retaining seat to be fixed to the machine stand. 
     
     
         4 . The buckle mechanism of the dust collecting barrel of the two-stage dust collector as claimed in  claim 1 , wherein the support member is a rectangular plate body. 
     
     
         5 . The buckle mechanism of the dust collecting barrel of the two-stage dust collector as claimed in  claim 1 , wherein the barrel cover is vertically provided with a plurality of fixing rods, the support member is pivotally connected to the fixing rods, one end of each of the fixing rods is provided with a limit member, and the support member is positioned between the barrel cover and the limit members of the fixing rods. 
     
     
         6 . The buckle mechanism of the dust collecting barrel of the two-stage dust collector as claimed in  claim 5 , wherein the limit member is a nut so that the limit member is threadedly connected to the end of a corresponding one of the fixing rods, each of the fixing rods is sleeved with an elastic member, and the elastic members of the fixing rods are located between the barrel cover and the support member. 
     
     
         7 . The buckle mechanism of the dust collecting barrel of the two-stage dust collector as claimed in  claim 6 , wherein the elastic member is a spring, one end of the elastic member leans against the barrel cover, and another end of the elastic member leans against the support member. 
     
     
         8 . The buckle mechanism of the dust collecting barrel of the two-stage dust collector as claimed in  claim 1 , wherein the linking unit has two linking members, the two linking members have the first pivot portions at respective central portions thereof, and the first pivot portions are pivotally connected to the first pivot ends of the first retaining seat. 
     
     
         9 . The buckle mechanism of the dust collecting barrel of the two-stage dust collector as claimed in  claim 8 , wherein one end of each of the linking members is provided with the first connecting end, the first connecting ends of the two linking members are pivotally connected to the connecting portions of the support member respectively, another end of each of the linking members is provided with the second connecting end, and the second connecting ends of the two linking members are connected to the connecting members. 
     
     
         10 . The buckle mechanism of the dust collecting barrel of the two-stage dust collector as claimed in  claim 1 , wherein the two connecting members each have a first end and a second end, the first end is connected to the second connecting end of the linking unit, and the second end is connected to the coupling portion of the control unit.