CN101874723A

CN101874723A - Roller brush transmission structure of electric vacuum dust remover

Info

Publication number: CN101874723A
Application number: CN200910301909XA
Authority: CN
Inventors: 金海军
Original assignee: LG Electronics Tianjin Appliances Co Ltd
Current assignee: LG Electronics Tianjin Appliances Co Ltd
Priority date: 2009-04-28
Filing date: 2009-04-28
Publication date: 2010-11-03
Anticipated expiration: 2029-04-28
Also published as: CN101874723B

Abstract

The invention discloses a roller brush transmission structure of an electric vacuum dust remover, which comprises a roller brush arranged at a suction hole on the lower surface of a ground suction nozzle, a drive motor, a power transmission system transmitting power from the drive motor to the roller brush and a conversion unit capable of switching on or off the power transmission of the power transmission system, wherein the conversion unit is a control pedal, and the transmission system is a rotatable transmission arm provided with a transmission wheel. The working state of the roller brush can be conveniently regulated according to the ground condition to ensure that the dust remover has multiple ground dust removal functions. Meanwhile, the working state of the roller brush is converted by only simply pressing the control pedal by feet without stoop, therefore, the load of a user is lightened.

Description

The rolling brush driving structure of electric cleaner

Technical field

The present invention relates to a kind of dust collector structure, specifically is a kind of drive mechanism of controlling the dust collector rolling brush operation.

Background technology

Dust catcher is a kind of electrical equipment of sanitation and hygiene, is used for removing the dust in ground, carpet, wall, furniture, clothing and various slits.According to dust collector structure and profile, be divided into vertical type dust collector, horizontal dust collector and portable dust collector etc. usually.

Vertical type dust collector comprises that the top of body is the handle of being convenient to user's push-and-pull, front part of a body is the protecgulum that combines with drain pan, the spare part of base side walls is inserted the standby rigidity sweep-up pipe of pegging graft on the frame, organism bottom is provided with the suction nozzle that is contained the foreign substances air by suction nozzle loam cake and suction nozzle chassis through the suction of hook be combined into along ground, in suction nozzle, be provided with rotatable round brush, be beneficial to the dust on the loosening scope of operation.

Figure 1 shows that the drive mechanism schematic diagram of traditional dust collector rolling brush 10.As shown in Figure 1, motor 21 is fixed on the suction nozzle chassis 8, and motor output shaft 22 is connected with the axle 24 of round brush 10 by driving belt 23, so just realizes motor power is transferred to round brush 10, and round brush 10 is rotated.In this dust catcher uses, by rotating brush cleaning carpet effectively, but lasting rotation then will damage carpet when dust catcher is parked on the carpet same position when the ground of need cleaning is covered with carpet.In addition, when rotating, brush also can damage the floor when changeing on timber floor.

Though did improvement in this respect, to realize that power is sent to the commentaries on classics brush arbitrarily discontinuously from power source, a part of timber floor when the room is covered with carpet like this, just can connect or close the commentaries on classics brush by handling manipulate tools at the intersection of the part of exposing timber floor and the part of spreading carpet, thereby stop to change the driving of brush in the place of exposing timber floor, and drive the commentaries on classics brush in the place that carpet is set.

But deficiency of the prior art just is: in common electric cleaner, because manipulate tools is arranged on the upper front end of ground suction nozzle as mentioned above, therefore the user who catches hand water handle must be bent downwardly so that on the master that its hand arrives at electric cleaner stopped, this just is difficult to, and manipulation transforms disconnected mechanism in mobile electric cleaner; And the operation of bending over frequent when dust catcher arrives the intersection of carpet and timber floor has increased labour intensity, and this just needs a kind of dust catcher of the operation preferably that can reduce labor intensity to change the brush control device.

Summary of the invention

Technical problem to be solved by this invention is, provides a kind of simple to operate, convenient conversion round brush duty vacuum cleaner.

For the technical solution problem, the technical solution used in the present invention is:

A kind of rolling brush driving structure of electric cleaner, it comprises the commentaries on classics brush at the suction inlet place on the lower surface that is arranged on ground suction nozzle; A drive motors; A power drive system that power is sent to the commentaries on classics brush from drive motors; And the converting unit that can be switched on or switched off the power transmission of power drive system, converting unit is a controlled pedal, transmission system is the rotating transmission arm that is provided with drive.

Described controlled pedal is rotatably mounted on the dust catcher matrix, and its holding end is positioned at dust catcher inside, and contacts slidably with the upper surface of transmission arm.

One end of described transmission arm can be that the center is rotatably fixed on the dust catcher matrix with the motor shaft.

The tail end of described transmission arm is provided with the control tail end, and it is connected with spring.

Transmission arm the front end of upper surface be provided with protruding ridge.

Be that non-telescoping belt connects between drive and the round brush.

It between drive and the round brush contact of separable surface.

The obtained beneficial effect of the present invention is: can regulate the duty of round brush easily according to surface state, make dust catcher have multiple floor suction function.And the duty lower-pilot pedal that only need simply tramp with one's feet of conversion round brush, remove from and bend over tiredly, alleviated user's burden.

Description of drawings

Fig. 1 is the drive mechanism schematic diagram of the traditional dust collector rolling brush of prior art,

Fig. 2 is the schematic perspective view of vacuum cleaner of the present invention,

Fig. 3 is the structural representation of transmission arm in the drive mechanism of vacuum cleaner shown in Figure 3,

Fig. 4 is the drive connection schematic diagram of the drive mechanism of vacuum cleaner shown in Figure 3,

Fig. 5 is the profile of the round brush of vacuum cleaner shown in Figure 3 when quitting work,

Profile when Fig. 6 is the round brush operate as normal of vacuum cleaner shown in Figure 3,

The specific embodiment

Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:

The operation principle of dust catcher of the present invention is identical with prior art, can be with reference to prior art, thus no longer narration, and adopt symbol same as the prior art, the difference of the present invention and prior art will be described in detail below:

With reference to Fig. 2 to Fig. 6, transmission system comprises motor 21, movable belt pulley 30, and wherein movable belt pulley contains two pulley grooves, and the radius of two pulley grooves can be set according to the speed of the commentaries on classics brush that will adjust; And round brush 10.Be provided with belt 23 between the motor shaft 22 of motor 21 and movable 30 1 belt grooves of belt pulley, and belt 23 be normal tensioned state, can guarantee movable belt pulley 30 normal rotation of motor shaft 22 drives; The rotating shaft 24 of round brush 10 is connected by non-telescoping ladder type belt 32 another belt grooves with movable belt pulley 30.The bearing 31 of movable belt pulley is arranged in the installing hole 41 of transmission arm 40, and transmission arm 40 can rotate with the axle center of motor shaft, is fixed on dust catcher inside by fixed part 42.Tail end at transmission arm 40 is provided with control tail end 43, and the upper surface of tail end 43 connects spring 45, and the other end of spring 45 is fixed on the surface, inside of dust catcher, makes spring 45 be vertical state setting; Upper surface at transmission arm 40 is level and smooth surface, is provided with one protruding ridge 44 at the upper surface of the front end of straight-line transmitting swing arm 40.

Control pedal 50 designs for herringbone, the side that it is arranged on the dust catcher body upper surface, be positioned at transmission arm 40 directly over, and it can do lever-type rotation with respect to the rotating shaft 51 that is fixed on the matrix, side at rotating shaft 51 is provided with opening, is generally rectangle.Zone between start end 52 and limit, 54 place, holding end is a sector structure, and the length on start end 52 and limit, 54 place, holding end is slightly larger than the length of opening, is pressed into the inner or ejection matrix outside of matrix to avoid both sides.Its position in substrates is an arc, and start end 52 and middle not-go-end 53 are all given prominence to the certain distance of arch section, forms slick and sly top.

Below operation principle will be described:

When will sweeping plank, the middle not-go-end 53 of control pedal 50 is operated, at this moment transmission arm 40 is that rotate at the center with motor shaft 22 upwards under the resilient force of tail springs 45, when forwarding certain angle to, middle not-go-end 53 is by dust catcher matrix backstop, and this moment, elastic force also diminished, can just keep transmission arm 40 in as shown in Figure 5 position, this moment is because the distance between drive 30 and the round brush wheel 10 is not enough to tighten belt 31, though the distance between driven pulley 30 and the motor shaft 21 does not change, and driven pulley 30 continues rotating, but rotation can not be passed to round brush 10, so the time change brush and be in off working state.

When needs are swept carpet, need to start round brush 10, this is 50 the start end 52 of only need pushing down on the pedal, holding end 54 can be that the center of circle rotates with fixed axis 51, forcing transmission arm 40 simultaneously is that rotate at the center with motor shaft 22 downwards, spring 45 is compressed simultaneously, along with start end 52 is operated, clockwise rotation takes place in dog point 54 thereupon, it crosses the protruding ridge 44 of brake arm 40, when pedal 50 because of start end 52 during by the edge stop of opening part, dog point 54 has striden across protruding ridge 44, and is on another slope of protruding ridge 44, and this moment, brake arm 40 had a trend that is rotated counterclockwise under the effect of spring 45, so when pedal 50 stops operating, just can keep state as shown in Figure 6, and become big because of the distance between driven pulley 30 and the round brush arbor wheel 24 this moment, just belt 31 tightened, at this moment just can pass to round brush 10 to rotation, drive round brush 10 rotations and make it in running order.

If when needing once more to close the round brush function, a middle not-go-end 53 that need push down on the pedal, protruding ridge 44 just can be crossed in holding end 54 under the effect of pedal force, just can get back to round brush 10 out-of-work states then as previously mentioned.

In conjunction with first embodiment recited above, various details second embodiment is because on the basis of first embodiment, be readily appreciated that present embodiment, so no longer be aided with description of drawings.

In the present embodiment, the structure that is adopted is basic all identical with first embodiment, unique difference is that driven pulley is not to adopt two belt grooves designs, driven pulley only is provided with a belt grooves, a sidewall of belt grooves, a perhaps driving-disc that is provided with separately can be realized the rotating shaft of the sidewall of belt grooves or driving-disc and round brush or is arranged on the driving-disc contact on the roller brush shaft or separates under the control of pedal, reached the purpose of control round brush.Wherein the rotating shaft of sidewall or driving-disc and round brush all adopts the higher and wear-resisting material that is difficult for loss of coefficient of friction to make.Equally, for those skilled in the art are understood that easily, also can adopt the gears engaged structure to realize the transmission of driven pulley and round brush.

Describe as top two embodiment, dust catcher of the present invention according to the Different Ground structure when need change the duty of round brush, can be under the situation that does not stop dust catcher, only using foot steps control pedal and just can easily realize, reduce the hardship of bending over, improved operability.

Further, warning light or other indicative structures of reminding user's round brush duty can be set on control pedal.

Can also change the mode of action of spring, as be arranged on the below of brake arm tail end or on the axle of brake arm turning cylinder, torsion spring is set.

Can also change the center of rotation of cursor in addition, making it as setting is that rotate at the center with the roller brush shaft.

Claims

1. the rolling brush driving structure of an electric cleaner, it comprises commentaries on classics brush at the suction inlet place on the lower surface that is arranged on ground suction nozzle; A drive motors; A power drive system that power is sent to the commentaries on classics brush from drive motors; And the converting unit that can be switched on or switched off the power transmission of power drive system, it is characterized in that: converting unit is a controlled pedal (50), transmission system is the rotating transmission arm (40) that is provided with drive.

2. the rolling brush driving structure of electric cleaner as claimed in claim 1, it is characterized in that: described controlled pedal (50) is rotatably mounted on the dust catcher matrix, its holding end (54) is positioned at dust catcher inside, and contacts slidably with the upper surface of transmission arm (40).

3. the rolling brush driving structure of electric cleaner as claimed in claim 1 or 2, it is characterized in that: an end of described transmission arm (40) can be that the center is rotatably fixed on the dust catcher matrix with the motor shaft.

4. the rolling brush driving structure of electric cleaner as claimed in claim 2 is characterized in that: the tail end of described transmission arm is provided with control tail end (43), and it is connected with spring (45).

5. the rolling brush driving structure of electric cleaner as claimed in claim 2 is characterized in that: transmission arm the front end of upper surface be provided with protruding ridge (44).

6. the rolling brush driving structure of electric cleaner as claimed in claim 1 is characterized in that: connect for non-telescoping belt between drive and the round brush.

7. the rolling brush driving structure of electric cleaner as claimed in claim 1 is characterized in that: connect for the contact of separable surface between drive and the round brush.