CN203506607U - Improved dust collector floor brush - Google Patents

Abstract

The utility model discloses an improved dust collector floor brush. The improved dust collector floor brush comprises an upper cover and a base plate which is fixed to the upper cover and provided with an air inlet channel, wherein the base plate comprises sealing ribs, and at least part of the sealing ribs surround the air inlet channel and protrude out of the plane of the base plate. According to the improved dust collector floor brush, the base plate can be attached with a carpet or the floor better, dust is collected more effectively, the carpet dust collecting capacity can reach 77%, and the dust collecting capacity of the floor brush is higher than 70% of the dust collecting capacity of a common floor brush.

Description

Improved vacuum cleaner floor brush

technical field

The utility model relates to an improved floor brush of a vacuum cleaner.

Background technique

In the prior art, the floor brush of the vacuum cleaner includes an air inlet channel arranged toward the ground, and there is a vertical gap between the air inlet channel and the carpet or the floor, and the air velocity is relatively slow, which cannot effectively drive the dust around the air inlet channel. At the same time, the requirements for energy efficiency in Europe and the United States are becoming more and more stringent. According to the Energy Labeling Regulation (EU) No665/2013 issued by the European Commission for vacuum cleaners, it will be implemented from September 1, 2014. It will carry out the cleaning performance level of vacuum cleaners. However, most domestic vacuum cleaner floor brushes cannot meet this requirement, which undoubtedly adds a stricter technical threshold to vacuum cleaner products mainly exported to the EU.

Utility model content

The purpose of the utility model is to provide an improved floor brush for a vacuum cleaner.

The first technical solution of the utility model: an improved vacuum cleaner floor brush, which includes: an upper cover, and a bottom plate fixed to the upper cover and having an air inlet channel, wherein the bottom plate includes a protruding The sealing rib provided on the bottom surface of the air inlet and outlet.

On the basis of the first technical solution, the following subsidiary technical solutions are further included:

The height range of the sealing rib is 0.5mm-1.5mm.

The width range of the sealing rib is 0.5mm-1.5mm.

The sealing ribs are connected end to end.

The air inlet passage includes a suction inlet and a pair of side air inlet grooves located on both sides of the suction inlet, and the area of the suction inlet accounts for 50-80% of the cross-sectional area of the air inlet passage.

It further includes an interface seat located between the upper cover and the bottom plate and matched with the bottom plate, the interface seat includes an air receiving channel that cooperates with the suction port and receives the air flow, and an air outlet pipe for outputting the air flow, wherein the air receiving channel has an air receiving port, The area of the air receiving port accounts for 50-60% of the cross-sectional area of the air receiving channel.

The bottom plate further includes a front end located in front of the air inlet passage, a rear end located behind the air inlet passage, and a pair of static strips respectively arranged at the front and rear ends and separated by the air inlet passage. Between the electrostatic strip and the air intake channel.

The sealing rib has an inclined surface, and the inclined surface intersects with the ground at an angle a, and the range of the angle a is 100-150 degrees.

The second technical solution of the utility model: an improved vacuum cleaner floor brush, which includes: an upper cover, a bottom plate fixed with the upper cover and having an air inlet channel, and an interface between the upper cover and the bottom plate and matched with the bottom plate seat, wherein the bottom plate includes sealing ribs that at least partially surround the air inlet channel and protrude from the bottom surface of the air inlet channel, the air inlet channel shrinks the airflow for the first time, and the interface seat shrinks the airflow for the second time .

On the basis of the second technical solution, it further includes the following subsidiary technical solutions:

The contraction rate of the first airflow contraction of the air inlet channel is smaller than the contraction rate of the second time the interface seat is contraction of the airflow, so as to increase the wind speed.

The height range of the sealing rib is 0.5mm-1.5mm.

The width range of the sealing rib is 0.5mm-1.5mm.

The sealing ribs are connected end to end.

The air inlet passage includes a suction inlet and a pair of side air inlet grooves located on both sides of the suction inlet, and the area of the suction inlet accounts for 50-80% of the cross-sectional area of the air inlet passage.

The interface base includes an air receiving channel that cooperates with the suction port and receives the airflow, and an air outlet pipe for outputting the air flow, wherein the air receiving channel has an air receiving port, and the area of the air receiving port accounts for 50-60% of the cross-sectional area of the air receiving channel.

The bottom plate further includes a front end located in front of the air inlet passage, a rear end located behind the air inlet passage, and a pair of static strips respectively arranged at the front and rear ends and separated by the air inlet passage. Between the electrostatic strip and the air intake channel.

The sealing rib has an inclined surface, and the inclined surface intersects with the ground at an angle a, and the range of the angle a is 100-150 degrees.

The utility model advantage is:

The utility model increases the adhesion between the bottom plate and the carpet or the floor, and removes dust more effectively. The dust removal ability of the carpet reaches 77%, which is 70% higher than that of ordinary floor brushes.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the top view of the utility model;

Fig. 2 is the bottom view of the utility model;

Fig. 3 is the exploded schematic view of the utility model;

Fig. 4 is the schematic sectional view of the utility model;

Among them: 10, upper cover; 12, switch; 14, switch lever; 15, air duct; 16, hose; 18, elbow joint; 19, roller; 20, bottom plate; 21, sealing rib; 22, air inlet 24, front end; 26, rear end; 28, static strip; 32, air access channel; 34, air outlet pipe; 220, suction port; 222, side air inlet slot; 320, air access.

Detailed ways

Embodiment: As shown in Figures 1-4, the utility model provides an embodiment of an improved vacuum cleaner ground brush, which includes an upper cover 10, a bottom plate 20 fixed to the upper cover 10, and a bottom plate 20 located between the upper cover 10 and the bottom plate 20. There is an interface base 30 that fits with the base plate 20 , and a lifting plate 40 that reciprocates relative to the base plate 20 .

The upper cover 10 further includes a switch 12 arranged on its upper surface, a switch lever 14 located in its inner cavity and operated by the switch 12 to drive the lifting plate 40 up and down, an air duct 15 located in its inner cavity, and an air duct 15 connected to the inner cavity. A connected hose 16, an elbow joint 18 fixed to the hose 16 and connected to the suction pipe, and a pair of rollers 19 adjacent to the elbow joint 18 allow the brush of the vacuum cleaner to move quickly. The downstream of the dust suction pipe is connected with the dust-air separation device of the vacuum cleaner, the motor of the vacuum cleaner, etc. This is a general technology, so it will not be described in detail. The lifting structure of the switch bar 14 and the lifting plate 40 is also a common technology.

The bottom plate 20 includes an air inlet passage 22, a sealing rib 21 arranged around the air inlet passage 22, a front end portion 24 positioned in front of the air inlet passage 22, a rear end portion 26 positioned at the rear of the air inlet passage 22, and a rear end portion 26 arranged at the front and rear respectively. A pair of electrostatic strips 28 at the ends 24 , 26 and separated by the air inlet channel 22 . Wherein the sealing rib 21 is located between the electrostatic strip 28 and the air inlet channel 22, the sealing rib 21 has an inclined surface, and the inclined surface intersects with the ground at an angle a, and the range of the angle a is 100-150 degrees to obtain good movement ability. And the height range H is preferably 0.5mm-1.5mm, and the width range is preferably 0.5mm-1.5mm, so as to obtain better dust removal ability and mobility, for example, if the height of the sealing rib is too small, better sealing cannot be achieved. The dust removal ability is poor and the movement ability is good, while the height of the sealing rib is too high, the movement ability is poor and the dust removal ability is better. Similarly, the width range is also considered based on the dust removal ability and movement ability. The air intake passage 22 includes a suction opening 220 and a pair of side air intake slots 222 located on two sides of the suction opening 220 . Wherein the area of the suction port 220 accounts for 50-80% of the cross-sectional area of the air inlet channel 22, thereby realizing the first contraction of the airflow to increase the speed of the airflow. The sealing rib 21 is preferably a closed ring connected end to end, or a pair of ribs separated by the air inlet channel 22 and similar in shape to the front and rear ends of the air inlet channel 22 .

The interface seat 30 includes an air receiving channel 32 matched with the suction port 220, and an air outlet pipe 34 connected with the air channel 15, wherein the air receiving channel 32 changes the direction of the airflow from the first direction to the second direction, and the direction of the air outlet pipe 34 is the second direction. Two directions. The air-receiving channel 32 has an air-receiving port 320, wherein the area of the air-receiving port 320 accounts for 50-60% of the cross-sectional area of the air-receiving channel 32, thereby realizing the second contraction of the airflow to increase the speed of the airflow again, thereby improving the dust removal ability of the ground brush .

The utility model increases the adhesion between the bottom plate and the carpet or the floor, and removes dust more effectively. The dust removal ability of the carpet reaches 77%, which is 70% higher than that of ordinary floor brushes.

Claims (9)

1. An improved floor brush for a vacuum cleaner, characterized in that it includes: an upper cover (10), and a bottom plate (20) fixed to the upper cover (10) and having an air inlet channel (22), wherein the bottom plate ( 20) Including sealing ribs (21) that at least partially surround the air inlet passage (22) and protrude from the bottom surface of the air inlet passage (22). 2. An improved vacuum cleaner floor brush according to claim 1, characterized in that: the height range of the sealing rib (21) is 0.5mm-1.5mm. 3. An improved vacuum cleaner floor brush according to claim 2, characterized in that: the width of the sealing rib (21) ranges from 0.5 mm to 1.5 mm. 4. An improved vacuum cleaner floor brush according to claim 3, characterized in that: the sealing ribs (21) are connected end to end. 5. An improved vacuum cleaner floor brush according to claim 1 or 2 or 3 or 4, characterized in that: the air inlet channel (22) includes a suction port (220), and two sides of the suction port (220) A pair of side air inlet slots (222), and the area of the suction port (220) accounts for 50-80% of the cross-sectional area of the air inlet channel (22). 6. An improved vacuum cleaner floor brush according to claim 5, characterized in that it further comprises an interface seat (30) located between the upper cover (10) and the bottom plate (20) and matched with the bottom plate (20) ), the interface base includes an air receiving channel (32) that matches with the suction port (220) and receives the airflow, and an air outlet pipe (34) for outputting the airflow, wherein the air receiving channel (32) has an air receiving port (320), the receiving The area of the tuyere (320) accounts for 50-60% of the cross-sectional area of the air passage (32). 7. An improved vacuum cleaner floor brush according to claim 5, characterized in that: the bottom plate (20) further includes a front end (24) located in front of the air inlet channel (22), a front end (24) located in front of the air inlet channel (22), ) behind the rear end (26), and a pair of electrostatic strips (28) respectively arranged at the front and rear ends (24, 26) and separated by the air inlet channel (22), the sealing rib (21) is located Between the electrostatic strip (28) and the air inlet channel (22). 8. An improved vacuum cleaner floor brush according to claim 7, characterized in that: the sealing rib (21) has an inclined surface, the inclined surface intersects with the ground at an angle a, and the range of the angle a is 100 -150 degrees. 9. An improved vacuum cleaner floor brush, characterized in that it includes: an upper cover (10), a bottom plate (20) fixed to the upper cover (10) and having an air inlet channel (22), and an upper cover (10) An interface seat (30) between and the bottom plate (20) and matched with the bottom plate (20), wherein the bottom plate (20) includes at least partially surrounding the air inlet channel (22) and protruding from the bottom surface of the air inlet channel (22). With the sealing ribs (21), the air inlet channel (22) shrinks the airflow for the first time, and the interface seat (30) shrinks the airflow for the second time.

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