CN101390731A

CN101390731A - Earth brush for vacuum cleaner

Info

Publication number: CN101390731A
Application number: CNA2008101073589A
Authority: CN
Inventors: 马卫宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-11-04
Filing date: 2008-11-04
Publication date: 2009-03-25

Abstract

The invention relates to a ground brush for a vacuum cleaner, which comprises a shell and a pipe joint connected at the back end of the shell. A dust suction port is arranged on the bottom at the front end of the shell, and a rotatable rolling brush is arranged at the dust suction port. The interior of the shell between the dust suction port and the joint of the pipe joint develops into a pumping channel for dust-containing air current. A wind wheel is arranged on the air current passage of the pumping channel inside the shell. The wind wheel is driven by the dust-containing air current which runs through the pumping channel. The ground brush is further provided with a power generation system which can convert the mechanical energy of the rotation of the wind wheel into electricity. The electricity can be used as power source for driving the rolling brush to work. The ground brush has the advantages of saving electricity and high efficiency of a wind-driven ground brush. Therefore, the ground brush is an efficient and energy-saving brush.

Description

The scrubbing brush that is used for vacuum cleaner

Technical field

The present invention relates to a kind of parts of dust catcher, relate in particular to a kind of scrubbing brush that is used for vacuum cleaner.

Background technology

At present, the scrubbing brush that is used for the band round brush of vacuum cleaner roughly is divided into two kinds, i.e. Pneumatic floor brush and electronic scrubbing brush.

Pneumatic floor brush relatively simple for structure, establish the shell of suction channel in generally comprising, be arranged on the round brush of shell inner bottom part, the pipe joint that is connected on the shell and is connected rotationally with suction channel in the shell inner cavity, the current path that housing is positioned at suction channel is provided with wind wheel, between wind wheel and the round brush for being in transmission connection.When air-flow when the suction port that is positioned at outer casing bottom enters suction channel, impeller is driven rotation, round brush also can rotate thereupon.

By above-mentioned introduction as can be known, the round brush that this kind ground brushes does not need other power source when work, and its power that has utilized the wind wheel of scrubbing brush inside to produce in rotation process cleverly drives round brush work, and good energy-saving effect is arranged.But this kind scrubbing brush also exists very serious problem, and that is exactly when the suction port place of dust catcher is blocked, wind wheel can stop operating or rotating speed very little, this moment, the rotating speed of round brush also can diminish, and moment of torsion also reduces thereupon, makes that dust catcher can't operate as normal.

Electronic scrubbing brush can be changed this drawback of Pneumatic floor brush, and its total is very similar to Pneumatic floor brush, and just wind wheel is not established in scrubbing brush inside, the Motor Drive that round brush is established by other, and this motor provides power by the power supply in the external world.This electronic scrubbing brush can reach rotating speed and moment of torsion very stably, uses reliable, high efficiency.But because electronic scrubbing brush needs extraneous power supply as its power source, want to make the round brush operate as normal, a cover connecting circuit must be installed on electronic scrubbing brush and dust catcher.Therefore, though do not have wind wheel in the electronic scrubbing brush, but it has set up equipment such as motor, connecting circuit, so the price of the general electronic scrubbing brush all price than Pneumatic floor brush is high a lot, and,, the power consumption of the dust catcher of this kind scrubbing brush wants high than the power consumption of the dust catcher that Pneumatic floor brush is installed so being installed because electronic scrubbing brush will constantly consume extraneous electric energy when work.

Summary of the invention

The purpose of this invention is to provide does not a kind ofly need extraneous power supply that power is provided as Pneumatic floor brush, but can reach the scrubbing brush that dataller electrically makes effect.

In order to achieve the above object, the present invention has taked following technical scheme: a kind of scrubbing brush that is used for vacuum cleaner, comprise shell, be connected the pipe joint of described outer casing back portion, described shell offers suction port at the place, bottom that is positioned at front end, and be provided with rotating round brush at this suction port place, its inside of described shell from suction port to the suction channel that is formed for dust-contained airflow circulation the pipe joint junction, the current path that described enclosure is positioned at described suction channel is provided with wind wheel, described wind wheel is driven by the dust-contained airflow that flows through described suction channel and rotates, this ground brushes and also is provided with electricity generation system, this electricity generation system can be converted into electric energy with the mechanical energy that described wind wheel rotates, and this electric energy can be used as the power source that drives described round brush work.

Described electricity generation system comprises generator, Storage Unit, this generator is in transmission connection mutually with described wind wheel, the generator electricity can store in described Storage Unit, described scrubbing brush is provided with and can drives the motor that described round brush rotates, and this motor and described Storage Unit are electrically connected.

The present invention compared with prior art has following advantage: by electricity generation system is set in scrubbing brush, the mechanical energy when this cover electricity generation system just can be rotated wind wheel like this is converted into electric energy, and this part electric energy can be used as the power source that orders about round brush work.Therefore round brush velocity of rotation height not only when work, and do not need other electric energy.This scrubbing brush is simple in structure, and have the Pneumatic floor brush power saving simultaneously concurrently, brush the advantage of high efficiency electrically, be a kind of energy-efficient novel scrubbing brush.

Description of drawings

Accompanying drawing 1 is the stereogram of scrubbing brush;

Accompanying drawing 2 is an internal structure schematic diagram of the present invention

Accompanying drawing 3 is a whole disassembly diagram of the present invention;

Accompanying drawing 4 is the drive principle figure of round brush of the present invention;

Wherein: 1, shell; 2, pipe joint 3, suction channel; 4, wind wheel; 5, bearing; 6, round brush; 61, mandrel; 7, bearing assembly; 8, motor; 9, drive; 10, belt; 11, upper shell; 12, lower house; 13, suction port; 14, wind wheel seat; 15, generator; 16, Storage Unit; 161, battery; 162, charging circuit.

The specific embodiment

Utilize embodiment shown in the drawings to explain technical solution of the present invention application therein in detail below.

Floor brush of dust collector as shown in Figure 1, it has a shell 1 of being made up of upper shell 11 and lower house 12, and the bottom of shell 1 has the suction port 13 that is bar shaped.The rear end of shell 1 is connected with a rotating pipe joint 2, this pipe joint 2 be used to connect dust collector hose or hard tube in case with dust-contained airflow import carry out in the body of dust collector gas ash content from.

Shown in Fig. 2～3, the inside of shell 1 is at the suction channel 3 that is formed for the dust-contained airflow circulation from suction port 11 to pipe joint 2 junctions, the current path that shell 1 inside is positioned at described suction channel 3 is provided with wind wheel 4, have a wind wheel seat 14 that is used to install wind wheel 4 on the lower house 12, wind wheel 4 is installed on the wind wheel seat 14 by pair of bearings 5.Wind wheel 4 drive to be rotated by the dust-contained airflow that flows through suction channel 3, suction channel 3 flow to best and wind wheel 4 tangent settings, like this, the ash-laden gas that flows through along tangential direction fails to be convened for lack of a quorum and drives wind wheel 4 and rotate around its rotating shaft.

Shell 1 is provided with rotating round brush 6 at bottom suction port 11 places that are positioned at lower house 12, and this round brush 6 can be treated cleaning floor and roll and sweep.There is a mandrel 61 at round brush 6 centers, and the both ends of mandrel 61 are installed in respectively on the pair of bearings assembly 7, and bearing assembly 7 is being clamped on lower house 12 inwalls of fixing.Round brush 6 is driven by the motor 8 that is in transmission connection mutually with it, and as shown in the figure, fixed cover is provided with a drive 9 on the round brush 6, and drive 9 is in transmission connection with motor 8 mutually by a belt 10.

Describe below how driven this motor 8 is in detail, this is the most important characteristic of present embodiment just.Shown in Fig. 2,4, ground brushes has installed a cover electricity generation system, and this electricity generation system is made of generator 15 and Storage Unit 16, and this Storage Unit 16 can store the electric energy that produces on the generator 15, and this Storage Unit 16 is electrically connected with motor 8.Like this when dust catcher is worked, along with dust-contained airflow flows through from suction channel 3, wind wheel 4 can rotate, the kinetic energy that wind wheel 4 just can be kept watch in its rotation process changes mechanical energy into, under the situation that keeps stabilization of speed, be connected on the generator 15, generator 15 just can be converted into electric energy with mechanical energy like this, and the electric energy after the conversion is storing by Storage Unit 16, is used to motor 8 that power is provided.Storage Unit 16 is made of battery 161 and charging circuit 162, but this charging circuit 162 has two kinds of connection modes, a kind of is to be connected with generator 15, the electricity of storage is the electric energy that generator 15 sends in the battery like this, another kind of connection mode is for to be connected with extraneous power supply, this connection mode is set is when preventing that generator 15 grades from breaking down, battery 161 still can be for motor 8 provides power, thereby does not influence the use of dust catcher.

When this should be noted that: if exist the rotating ratio of wind wheel lower, and the size of wind-force often changes the words that cause the fixed situation of rotary speed unstabilization to exist, must before driving generator, add a speed-changing gear box of rotating speed being brought up to the generator rated speed, add a speed adjusting gear again and make rotating speed keep stable, and then be connected on the generator.

Describe the course of work of this scrubbing brush below in detail: at first dust-contained airflow sucks in the suction channel 3 from suction port 13, this strand dust-contained airflow drives its rotation when flowing through wind wheel 4, the rotation of wind wheel 4 drives generator 15 and generates electricity, the electricity that generator 15 produces all is stored in the battery 161 by charging circuit 162, battery 161 just can drive motor 8 rotations like this, thereby makes round brush 6 rotate.

The foregoing description only is explanation technical conceive of the present invention and characteristics; its purpose is to allow the personage that is familiar with this technology can understand content of the present invention and is implemented; can not limit protection scope of the present invention with this; all equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.

Claims

1, a kind of scrubbing brush that is used for vacuum cleaner, comprise shell, be connected the pipe joint of described outer casing back portion, described shell offers suction port at the place, bottom that is positioned at front end, and be provided with rotating round brush at this suction port place, its inside of described shell from suction port to the suction channel that is formed for dust-contained airflow circulation the pipe joint junction, the current path that described enclosure is positioned at described suction channel is provided with wind wheel, described wind wheel is driven by the dust-contained airflow that flows through described suction channel and rotates, it is characterized in that: this ground brushes and also is provided with electricity generation system, this electricity generation system can be converted into electric energy with the mechanical energy that described wind wheel rotates, and this electric energy can be used as the power source that drives described round brush work.

2, the scrubbing brush that is used for vacuum cleaner according to claim 1, it is characterized in that: described electricity generation system comprises generator, Storage Unit, this generator is in transmission connection mutually with described wind wheel, the generator electricity can store in described Storage Unit, described scrubbing brush is provided with and can drives the motor that described round brush rotates, and this motor and described Storage Unit are electrically connected.