TWM535057U - Height adjustment device of floor cleaner - Google Patents

Description

Floor cleaner height adjustment device

The present invention relates to a floor cleaner, and more particularly to a floor cleaner height adjustment device.

A layer of carpet is often laid on the floor of a restaurant or public place. Generally, a vacuum cleaner is used when cleaning the carpet. After the agitator disk of the vacuum cleaner is driven by the motor, the bristles on the agitating disk are used to rotate the fluff of the carpet to make the dust and broken on the carpet. The chips are picked up and then sucked into the dust bag inside the vacuum cleaner.

However, the conventional vacuum cleaner is fixed and can not be adjusted when the agitating disc is far from the ground. When the length of the carpet is long, the bristles of the agitating disc will be subjected to greater resistance, and dust and debris on the carpet. It is difficult to be lifted up, so that the efficiency of vacuuming is lowered. In addition, the motor that drives the agitating disk is also easily damaged by overheating.

Accordingly, it is an object of the present invention to provide a floor cleaner height adjustment device that adjusts the height of the agitation plate from the ground.

Therefore, the novel floor cleaner height adjusting device comprises a base, a rotating disc, a connecting rod bracket, a pressing member, a resetting member, and an auxiliary roller.

The base includes a bottom side.

The rotary disk is rotatably disposed on the base, and the rotary disk includes a pressing portion having a pressing surface, and the pressing portion has a different thickness.

The link bracket is pivoted to the base.

The pressing member is movably disposed on the base, and a top end of the pressing member abuts against a pressing surface of the rotating plate, and a bottom end of the pressing member abuts the connecting rod bracket.

The reset member is disposed between the base and the link bracket to provide an upward potential energy of the link bracket.

The auxiliary roller is pivoted on the link bracket and partially protrudes from the bottom side, and the auxiliary roller can move between at least two positions along a height direction

Thereby, the thickness of the pressing portion of the rotary disk is rotated, and the pressing surface is rotated to press the pressing member to interlock the connecting rod bracket, thereby driving the auxiliary roller to move downward in the height direction, thereby The distance of the auxiliary roller protruding from the bottom side becomes longer, and the resetting member pushes the connecting rod bracket to drive the auxiliary roller to move upward in the height direction, so that the distance of the auxiliary roller protruding from the bottom side is shortened .

The utility model has the following advantages: the auxiliary roller is supported on the ground, and the distance of the auxiliary roller protruding from the bottom side of the base is changed, and the agitating plate disposed on the base is adjusted to the ground according to the carpet of different fluff lengths. Height, maintain vacuum efficiency.

As shown in FIG. 1 , an embodiment of the floor cleaner height adjusting device of the present invention comprises a base 1 , a rotary disk 2 , a link bracket 3 , an elastic fastener 4 , a pressing member 5 , and a resetting member. 6, and an auxiliary roller 7.

As shown in FIGS. 1 to 3, the base 1 includes a bottom side 11.

The rotary disk 2 is rotatably disposed on the base 1 , and the rotary disk 2 includes a pressing portion 21 having different thicknesses, and four grooves 22 are provided on the side of the pressing portion 21 . The pressing portion 21 has a top surface 211 and a pressing surface 212. The top surface 211 and the pressing surface 212 are respectively located on opposite sides. The pressing surface 212 has a first pressing area 213 , a second pressing area 214 , a third pressing area 215 , and a fourth pressing area 216 . The distance between the first pressing portion 213 and the top surface 211 is smaller than the distance between the second pressing portion 214 and the top surface 211, and the distance between the second pressing portion 214 and the top surface 211 is smaller than the third pressing portion. The distance between the third pressing portion 215 and the top surface 211 is smaller than the distance between the fourth pressing portion 216 and the top surface 211.

The connecting rod bracket 3 is pivotally disposed on the base 1 , and includes a main rod section 31 pivotally mounted on the base 1 , a pair of rod segments 32 , and a main rod section 31 and the auxiliary rod section 32 . The connecting section 33 has an inverted U shape.

As shown in FIG. 4 to FIG. 6 , the elastic fastener 4 is disposed on the base 1 and includes two latching portions 41 , and the latching portions 41 can be inserted into the two of the slots 22 . When the rotary disk 2 is rotated, each of the latching portions 41 is firstly extended outward (not shown) after being disengaged from the recessed groove 22 of the original card, until it is rotated to the adjacent next recessed groove 22, The elasticity of the elastic fastener 4 itself returns to the original shape, and is inserted into the corresponding recess 22 to position the rotary disc 2. In the embodiment, the elastic fasteners 4 are in a ring shape, and each of the latching portions 41 is substantially V-shaped, and the shape of each of the slots 22 is matched with the shape of each of the latching portions 41.

The pressing member 5 is movably disposed on the base 1 , and the top end of the pressing member 5 abuts against the pressing surface 212 of the rotating disc 2 , and the bottom end of the pressing member 5 and the pair of the connecting rod bracket 3 The rod segment 32 abuts.

The reset member 6 is disposed between the base 1 and the connecting portion 33 of the link bracket 3 to provide an upward potential energy of the link bracket 3. In this embodiment, the reset member 6 is a spring.

The auxiliary roller 7 is pivotally disposed on the auxiliary rod segment 32 of the link bracket 3 and partially protrudes from the bottom side surface 11 . The pressing portion 21 is used to secure the pressing member 5 by the pressing surface 212. The pressing member 5 presses the connecting rod bracket 3, and the auxiliary roller 7 is driven by the connecting rod bracket 3 to be along a height direction. Y moves between four positions (the figure only shows two positions), and the four positions correspond to the first pressing area 213 (see FIG. 5) and the second pressing area 214, respectively. The third pressure-receiving zone 215 (not shown) and the fourth pressure-resistant zone 216 (see FIG. 6).

As shown in FIGS. 7 and 8, the rotary disk 2 is rotated and the thickness of the pressing portion 21 of the rotary disk 2 is changed, and the pressing surface 212 is pressed against the pressing member 5 to interlock the link bracket 3. When the first pressing portion 213 of the pressing surface 212 presses against the pressing member 5 (see FIG. 7), the auxiliary roller 7 protrudes from the bottom side 11 by a distance, when the rotating plate 2 is rotated to resist When the fourth pressing portion 216 of the surface 212 presses against the pressing member 5 (see FIG. 8), the connecting rod bracket 3 is pressed to drive the auxiliary roller 7 to move downward in the height direction Y, so that the auxiliary roller 7 The distance extending from the bottom side surface 11 is long, and the auxiliary roller 7 is supported by the ground. The base 1 can be rotated upward by a main roller set 100 disposed on one side of the base 1 as a fulcrum. The height of a stirring disc 200 disposed on the base 1 is increased from the ground. When the length of the fluff of the carpet to be cleaned is long, the bristles on the stirring disc 200 can more effectively move the carpet to maintain the efficiency of vacuuming. At the same time, the resistance to the agitating disk 200 is reduced, so that the motor (not shown) that drives the agitating disk 200 is not damaged by overheating.

In addition, when the rotary disk 2 is rotated to return the pressing surface 212 to press the pressing member 5 with the first pressing portion 213, the upward potential energy provided by the resetting member 6 (see FIG. 6) pushes the The link bracket 3 drives the auxiliary roller 7 to move upward in the height direction Y, so that the distance of the auxiliary roller 7 protruding from the bottom side 11 becomes shorter.

After the above description, the advantages of the new model are summarized as follows:

1. When the rotary disk 2 is rotated, the auxiliary roller 7 is moved downward by the pressing portion 21 of different thicknesses, and the resetting member 6 interlocks the auxiliary roller 7 to move upward, and the auxiliary roller 7 is extended to protrude from the base. The distance between the bottom side 11 of the seat 1 is such that when the carpet of different pile lengths is cleaned, the height of the agitating disk 200 pivoted on the base 1 from the ground can be adjusted according to the length of the pile to maintain the efficiency of vacuuming.

2. The latching portions 41 of the elastic fastener 4 are inserted into the two of the slots 22 of the rotary disc 2, and the rotary disc 2 is positioned such that the pressing portion 21 of the rotary disc 2 more firmly presses the pressing portion. The moving member 5, and the pressing member 5 also presses the connecting rod bracket 3 more firmly, so that the auxiliary roller 7 pivotally disposed on the connecting rod bracket 3 protrudes more stably from the bottom side of the base 1 11.

In summary, the new floor cleaner height adjusting device can adjust the height of the agitating plate from the ground according to the length of the carpet fluff, so that the efficiency of the vacuuming is not reduced, so the purpose of the novel can be achieved.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

1‧‧‧Base
11‧‧‧ bottom side
2‧‧‧Rotary
21‧‧‧Resistance Department
211‧‧‧ top surface
212‧‧‧Resistance surface
213‧‧‧First pressure zone
214‧‧‧Second pressure zone
215‧‧‧ Third pressure zone
216‧‧‧fourth pressure zone
22‧‧‧Inlay
3‧‧‧Link bracket
31‧‧‧ main section
32‧‧‧Subsection
33‧‧‧ Connection section
4‧‧‧Flexible card firmware
41‧‧‧Card Department
5‧‧‧Crediting parts
6‧‧‧Reset parts
7‧‧‧Auxiliary wheel
100‧‧‧Main roller set
200‧‧‧ stir plate
Y‧‧‧ height direction

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: Figure 1 is an exploded perspective view of an embodiment of the novel floor cleaner height adjustment apparatus; 3 is a perspective view of a rotary disk of the embodiment; FIG. 3 is a developed view of a pressing portion of the rotary disk of the embodiment; FIG. 4 is a plan view of the rotary disk and an elastic fastener of the embodiment; An incomplete cross-sectional view illustrating an auxiliary roller projecting from a bottom side of a base; FIG. 6 is a view similar to FIG. 5, illustrating that the auxiliary roller protrudes longer from a bottom side of the base; Figure 7 is an incomplete cross-sectional view of the embodiment, illustrating the auxiliary roller protruding from the bottom side of the base; and Figure 8 is a view similar to Figure 7, illustrating the auxiliary roller protruding from the base The distance from the bottom side is longer.

1‧‧‧Base

11‧‧‧ bottom side

2‧‧‧Rotary

3‧‧‧Link bracket

31‧‧‧ main section

32‧‧‧Subsection

33‧‧‧ Connection section

4‧‧‧Flexible card firmware

41‧‧‧Card Department

5‧‧‧Crediting parts

6‧‧‧Reset parts

7‧‧‧Auxiliary wheel

Claims (6)

A floor cleaner height adjusting device comprises: a base comprising a bottom side; a rotating disc rotatably disposed on the base, the rotating disc comprising a pressing portion, the pressing portion having a pressing surface, the pressing portion The pressing portion has different thicknesses; a connecting rod bracket is pivoted on the base; a pressing member is movably disposed on the base, and a top end of the pressing member abuts against the pressing surface of the rotating disc, The bottom end of the pressing member abuts the connecting rod bracket; a resetting member is disposed between the base and the connecting rod bracket to provide an upward potential energy of the connecting rod bracket; and an auxiliary roller pivotally The connecting rod bracket partially protrudes from the bottom side, and the auxiliary roller is movable between at least two positions along a height direction; thereby rotating the rotating disc and utilizing a thickness variation of the pressing portion of the rotating disc to make the The pressing surface is pressed against the pressing member to interlock the connecting rod bracket, thereby driving the auxiliary roller to move downward in the height direction, so that the distance of the auxiliary roller protruding from the bottom side becomes longer, and the resetting member is used to push The connecting rod bracket drives the auxiliary roller along the height Moving upward, the distance that the auxiliary roller protrudes from the bottom side becomes shorter. The floor cleaner height adjusting device of claim 1, wherein the pressing portion further has a top surface, the top surface and the pressing surface are respectively located on opposite sides, and the pressing mask has a first pressing a second pressing area, a third pressing area, and a fourth pressing area, wherein a distance between the first pressing area and the top surface is smaller than a distance between the second pressing area and the top surface, a spacing between the second pressing area and the top surface is smaller than a spacing between the third pressing area and the top surface, and a spacing between the third pressing area and the top surface is smaller than the fourth pressing area and the top surface The spacing, the pressing surface of the pressing portion and the resetting member move the connecting rod bracket, and the auxiliary auxiliary roller is moved between the four positions along the height direction, and the four positions respectively correspond to the first position a pressing zone, the second pressure zone, the third pressure zone, and the fourth pressure zone. The floor cleaner height adjusting device of claim 2, further comprising an elastic card fastener disposed on the base, the elastic card firmware comprising at least one latch portion, the rotary disc further comprising four spacer rings disposed on the pressing portion The side of the side of the recess, the latch portion can be snapped into one of the slots to position the dial. The floor cleaner height adjusting device according to claim 3, wherein the elastic card fastener comprises two latching portions on opposite sides, and the latching portions can be inserted into the two of the slots, and the elastic card firmware is An annular shape, each of the latch portions is generally V-shaped, and the shape of each of the slots is matched with the shape of the respective latch portion. The floor cleaner height adjusting device of claim 1, wherein the link bracket comprises a main pole section pivoted to the base, a secondary pole section for pivoting the auxiliary roller, and a connecting rod a connecting section between the main pole section and the auxiliary pole section, the connecting section has an inverted U shape, the bottom end of the pressing member abuts the auxiliary pole section, and the resetting member is disposed on the base and the Between the connecting sections of the connecting rod bracket. The floor cleaner height adjusting device of claim 1, wherein the reset member is a spring.