Suction or blower device

Abstract

The present invention relates to a suction or blower device, comprising a housing having an air inlet and an air outlet, a motor accommodated in the housing, a fan driven by the motor, and a plurality of blowing accessories adapted to be connected to the air outlet respectively when the suction or blower device works. These different blowing accessories can perform various cleaning functions, thus meeting the cleaning demands in different places or in a specific area.

1 . A suction or blower device, comprising a housing having an air inlet and an air outlet, a motor accommodated in the housing, a fan driven by the motor, and a plurality of blowing accessories adapted to be connected to the air outlet respectively. 
     
     
         2 . The suction or blower device according to  claim 1 , wherein the blowing accessories comprises at least three in a group of a blower tube extending longitudinally, an elbow brush having a blower nozzle with bristles and the blower nozzle being angular to the air outlet, a flat brush having a narrow outlet extending perpendicularly to the air outlet, and a gutter cleaning pipe having a straight pipe and an elbow pipe connected to the straight pipe. 
     
     
         3 . The suction or blower device according to  claim 2 , wherein the blower tube having a blowing opening, a ratio of a sectional area of the air outlet to a sectional area of the blowing opening is between 4˜500. 
     
     
         4 . The suction or blower device according to  claim 3 , wherein the blower tube comprises a short tube with a blowing opening, a ratio of a sectional area of the air outlet to a sectional area of the blowing opening is between 4˜20, the short tube having a length no more than 200 mm. 
     
     
         5 . The suction or blower device according to  claim 4 , wherein the short tube having a big end and a small end, the blowing opening is formed on the small end, the big end is adapted to be connected to the air outlet directly. 
     
     
         6 . The suction or blower device according to  claim 5 , wherein the blower tube further comprises at least one of a first nozzle and a second nozzle, the first nozzle having a first blower opening and the second nozzle having a second blower opening, a ratio of a sectional area of the air outlet to a sectional area of the first blowing opening is between 20˜100, a ratio of a sectional area of the air outlet to a sectional area of the second blowing opening is between 100˜500. 
     
     
         7 . The suction or blower device according to  claim 6 , wherein the first nozzle comprises a first joint end and a first free end, the first blowing opening is formed on the first free end, the first joint end is detachably connected to the small end. 
     
     
         8 . The suction or blower device according to  claim 5 , wherein the blowing accessories further comprises a flexible tube assembly having a flexible tube with two flexible jointed ends formed thereon respectively, the flexible tube assembly is detachably connected to the small end. 
     
     
         9 . The suction or blower device according to  claim 6 , wherein the first nozzle comprises a first joint end and a first free end, the first blowing opening is formed on the first free end, the second nozzle comprises a second joint end and a second free end, the second blowing opening is formed on the second free end, the second joint end is adapt to be connected on the first free end. 
     
     
         10 . The suction or blower device according to  claim 7 , wherein the blowing accessories further comprises a flexible tube assembly having a flexible tube with two flexible jointed ends formed thereon respectively, the flexible tube assembly is detachably connected between the small end and the first jointed end, the second nozzle comprises a second joint end and a second free end, the second blowing opening is formed on the second free end, the second joint end is adapt to be connected on the first free end. 
     
     
         11 . The suction or blower device according to  claim 3 , wherein the blower tube further comprises a bristle head mounted around the circumference of the blowing opening, the bristle head extending along the same direction as a longitudinal extending direction of the blower tube. 
     
     
         12 . The suction or blower device according to  claim 2 , wherein the elbow brush comprises a jointed end being configured to be connected with the air outlet and a fixed end being configured to be angularly bent and communicated to the jointed end, the bristles mounted around the circumference of the fixed end and extending along the same direction as a longitudinal extending direction of the fixed end. 
     
     
         13 . The suction or blower device according to  claim 12 , wherein the bristles have a certain length of no more than 40 mm. 
     
     
         14 . The suction or blower device according to  claim 2 , wherein the flat brush comprises an air inlet nozzle extending longitudinally and an air outlet nozzle being angular to the air inlet nozzle, the narrow outlet is formed on a free end of the air outlet nozzle. 
     
     
         15 . The suction or blower device according to  claim 14 , wherein the air outlet nozzle comprises a first pad and a second pad opposite the first pad, the first pad and the second pad both have a piece of rubber fixed thereon respectively. 
     
     
         16 . The suction or blower device according to  claim 2 , wherein the gutter cleaning pipe is 360° rotatably connected to the air outlet. 
     
     
         17 . The suction or blower device according to  claim 16 , wherein the blowing accessories further comprises a middle pipe having one end detachably connected to the air outlet and another end being 360° rotatably connected to the straight pipe. 
     
     
         18 . The suction or blower device according to  claim 17 , wherein a bump arranged on one of the middle pipe and the straight pipe, an axial guiding groove together with a circumferential groove arranged on the other of the middle pipe and the straight pipe, the bump is guided to enter and slide in the circumferential groove through the axial guiding groove. 
     
     
         19 . The suction or blower device according to  claim 18 , wherein the bump has an interference fit against the circumferential groove. 
     
     
         20 . The suction or blower device according to  claim 2 , wherein the straight pipe comprises a set of small pipes coupled to one another through a threaded fit. 
     
     
         21 . The suction or blower device according to  claim 20 , wherein each small pipe has a coupling portion supporting at least two heads of thread. 
     
     
         22 . The suction or blower device according to  claim 2 , wherein the straight pipe having reinforcing ribs longitudinally extending on an outer surface of the straight pipe. 
     
     
         23 . The suction or blower device according to  claim 2 , wherein the elbow pipe is configured as a U shape comprising a first portion connected to the straight pipe, a second portion acting as a free end and a middle portion joined the first portion and the second portion together, forming an angle 100°˜115° between the first portion and the middle portion, and an angle 115°˜120° between the middle portion and the second portion. 
     
     
         24 . The suction or blower device according to  claim 23 , wherein the second portion having an extended length between 85 mm and 100 mm. 
     
     
         25 . The suction or blower device according to  claim 1 , wherein the suction or blower device further comprises a deflating accessory detachably connected to the air inlet, the deflating assembly having a deflating funnel detachably connected to the air inlet and a deflating nozzle connected with the deflating funnel. 
     
     
         26 . The suction or blower device according to  claim 25 , wherein the air inlet having an inlet grill, the deflating funnel having a big opening and a small opening, the big opening of the deflating funnel communicating with the inlet grill and the small opening communicating with the deflating nozzle with a free end diameter of 3 mm˜20 mm. 
     
     
         27 . The suction or blower device according to  claim 26 , wherein the blowing accessories further comprise a flexible tube assembly releasably connected between the deflating funnel and the deflating nozzle. 
     
     
         28 . The suction or blower device according to  claim 1 , wherein the suction or blower device is powered by an accumulator connected to the housing. 
     
     
         29 . The suction or blower device according to  claim 28 , wherein the accumulator is a lithium battery. 
     
     
         30 . A method for setting a deflating accessory to a suction or blower device, the suction or blower device comprising a housing having an air inlet and an air outlet, a motor accommodated in the housing, a fan driven by the motor, an inlet grill for fixing to the air inlet, a deflating assembly releasably attached to the air inlet, the method comprising: setting the deflating accessory to the inlet grill directly. 
     
     
         31 . A method for setting a deflating accessory to a suction or blower device according to  claim 28 , wherein the inlet grill comprises a plurality of grids with interval between, the deflating accessory having a plurality of spring claws, the spring claws engaged with the grids when the deflating accessory being attached to the inlet grill.