CN202908618U

CN202908618U - Dust collector

Info

Publication number: CN202908618U
Application number: CN 201220458586
Authority: CN
Inventors: 刘海平; 江仁宝
Original assignee: Suzhou Cleva Electric Appliance Co Ltd
Current assignee: Suzhou Cleva Electric Appliance Co Ltd
Priority date: 2012-09-11
Filing date: 2012-09-11
Publication date: 2013-05-01
Anticipated expiration: 2022-09-11

Abstract

The utility model discloses a dust collector which comprises a motor for providing suction. The motor is provided with a first wind inlet, the motor is placed in a motor cavity which is provided with a second wind inlet, a control valve is arranged between the first wind inlet and the second wind inlet, the control valve can rotate in the motor cavity to open or close the second wind inlet The dust collector depends on starting states of the motor to automatically achieve interconversion of air flues, does not need to manually adjust or additionally increase a movement regulating mechanism, simultaneously is small in part size, light in weight and simple in installation, belongs to station obeying operation in a whole assembly process, can be generally used in three positions and avoids error installation.

Description

Dust catcher

Technical field

The utility model relates to a kind of dust catcher, particularly has the dust catcher of a plurality of motors.

Background technology

It is faster and better as to carry out large-area cleaning that the dust catcher that is applicable to industrial application need to provide larger suction than common dust catcher usually, therefore produced the dust catcher that disposes a plurality of motors.This kind dust catcher can hold plural motor, each motor has corresponding air inlet, can select only to open a motor or open simultaneously a plurality of motors according to factor such as cleaning area etc. and carry out cleaning operation, and when only using a motor, the air channel of dust catcher needs conversion, the motor air inlet of not opening is closed, otherwise dust catcher inside or outer gas stream may enter by the motor air inlet of not closing the air inlet at the motor of operating condition, thereby it is disorderly to cause the dust catcher internal gas flow to flow to, cause dust catcher suction to reduce, affect the cleaning capacity of dust catcher.

The utility model content

The utility model is for solving the problems of the technologies described above, a kind of dust catcher is provided, it comprises the motor that suction is provided, motor has the first air inlet, described motor places motor cavity, described motor cavity is provided with the second air inlet, is provided with control valve between described the first air inlet and the second air inlet, and described control valve can rotate to open or close the second air inlet in motor cavity.

Preferably, described control valve has rotating shaft, and control valve rotates around the axis.

Preferably, described control valve has cover plate, and cover plate can cover the second air inlet.

Preferably, described control valve has limiting section, prevents that the control valve rotational angle is excessive.

Preferably, be provided with block in the described motor cavity, control valve stops operating behind the described limiting section contact blocks.

The technical solution of the utility model relies on the motor opening automatically to realize when realizing that the air channel is changed mutually, do not need manual adjustments or increase in addition the action governor motion, volume of part is little simultaneously, quality is light, install simple, in final assembly technique, belong to along station manipulation, and three positions are general, can misloading.

Description of drawings

Fig. 1 is the schematic diagram of the utility model embodiment dust catcher.

Fig. 2 is the decomposing schematic representation of the utility model embodiment dust catcher nose assembly.

Fig. 3 is the cutaway view of the utility model embodiment dust catcher nose assembly.

Fig. 4 is the utility model embodiment motor of dust collector seat top view.

Fig. 5 is the utility model embodiment check valve schematic diagram.

Fig. 6 is the utility model the second embodiment dust catcher nose assembly cutaway view.

Fig. 7 is the utility model the 3rd embodiment dust catcher partial sectional view.

Fig. 8 is the utility model the 4th embodiment dust catcher partial sectional view.

Fig. 9 is the utility model embodiment roll-over valve schematic diagram.

Figure 10 is the schematic diagram that the utility model embodiment has respectively three kinds of valves.

Figure 11 is the utility model the 5th embodiment motor closed condition cutaway view.

Figure 12 is the utility model the 5th embodiment electric motor starting state cutaway view.

Figure 13 is the utility model embodiment side the second air inlet schematic diagram.

Figure 14 is a kind of the second air inlet setting position schematic diagram of the utility model embodiment.

The specific embodiment

As shown in Figure 1, dust catcher 100 comprises collecting vessel 2, and collecting vessel 2 is mainly used in storing the rubbish that is inhaled in the dust catcher, and collecting vessel 2 is provided with the entering-dust mouth (not shown), and the dust catcher exterior object enters dust catcher inside by entering-dust mouth.Also be provided with discharge outlet 5 on the collecting vessel 2, the water in the collecting vessel can be discharged dust catcher by discharge outlet 5.Collecting vessel 2 bottoms are provided with support 3, and dust catcher 100 can place on the support 3 or from support 3 and take off, and support 3 is provided with roller 31, make the user can make things convenient for to get traversing carriage and be placed on dust catcher on the support.Collecting vessel 2 tops are provided with nose assembly 1, lock or disengaging by snap close 4 between collecting vessel and the nose assembly.

Be depicted as the schematic diagram of nose assembly 1 such as Fig. 2 and 3, nose assembly comprises pallet 14, pallet 14 belows are provided with the filter (not shown), filter can filter the foul the air-flow that enters from the outside, enters nose assembly through the air-flow after filtering by the pallet mouth 141 on the pallet 14.Pallet 14 tops are provided with the motor cabinet 16 that holds motor 17, have sealing ring 15 to seal between motor cabinet 16 and the collecting vessel 2.Motor cabinet 16 is provided with motor cavity 165, and dust catcher 100 has three motors in the present embodiment, therefore is provided with accordingly three motor cavities.Described motor 17 is the used motors of Wet-dry dust catcher, and motor rear end has cooling fan blade 172, thereby cooling fan blade makes extraneous air pass through rotor part cooling motor the extraneous air suction.Motor 17 front ends have suction fan blade (not shown), the suction fan blade is discharged the air in the dust catcher collecting vessel from the first air outlet 171, the generation negative pressure makes collecting vessel and the outside pressure reduction that produces in the dust catcher collecting vessel thereby make, and air-flow just can enter dust catcher by the entering-dust mouth on the collecting vessel.Suction fan blade front end is provided with fan blade lid 174, and described fan blade lid 174 is provided with the first air inlet 173, and placed side by side and the first air inlet 173 of described a plurality of motor 17 straight down.Described motor 17 is positioned in the motor cavity 165, and motor cabinet 16 tops are provided with middle cover 18, and middle cover 18 is fixed on motor 17 on the motor cabinet.Shown in Fig. 2 and 4, described motor cavity 165 is made of sidewall 161, and sidewall 161 is provided with exhaust outlet 162, and the air-flow that the first air outlet 171 from motor is discharged leaves motor cavity 165 from exhaust outlet 162 and enters air-out passage.Described motor cavity 165 middle parts are provided with the second air inlet 168, the second air inlets and the first air inlet is oppositely arranged, and when all motor rotations, air-flow is by pallet mouth 141 rear second air inlets 168 that enter respectively on the pallet 14.Be provided with the air channel Control Component between the first air inlet and the second air inlet, described air channel Control Component can be controlled opening or closing of the second air inlet.Described air channel Control Component comprises control valve, and control valve is check valve 10 in the present embodiment.As shown in Figure 4, described the second air inlet 168 is become lattice-shaped by rib 167 lattice, be provided with guide post in the direction perpendicular to the second air inlet, control valve can be slided between the first air inlet and the second air inlet along the guide post direction, control the second air inlet and open or close.In the present embodiment, guide post is guide pillar 166, described guide pillar 166 is positioned at the second air inlet middle part, to check valve 10 guiding, guide pillar is between the first air inlet and the second air inlet, and guide pillar 166 roughly becomes cylindrical and perpendicular to the cross section of first, second air inlet, guide pillar one end is fixed on the rib 167, the other end is free end 163, and the length of guide pillar is no more than the distance between the first air inlet and the second air inlet.Be provided with check valve 10 between described the first air inlet and the second air inlet, check valve can be controlled opening or closing of the second air inlet.As shown in Figure 5, described check valve 10 has base plate 103, and base plate 103 is circular dull and stereotyped, and the base plate cross-sectional area is greater than the second air inlet the maximum cross-section area, so that base plate 103 can seal the second air inlet 168.Described base plate 103 middle parts are provided with through hole 101, the internal diameter of through hole 101 is greater than the external diameter of guide pillar 166, the free end of guide pillar 166 passes through hole 101, check valve is sheathed on the guide pillar, check valve 10 relatively guide pillar 166 slides between the second air inlet 168 and the first air inlet 173, and described check valve can adopt resistant to elevated temperatures material to make.Also be provided with limiting section on the described check valve, the shift motion of restriction check valve prevents that check valve 10 from skidding off guide pillar, thereby can adjust by the shift motion that the structure that changes limiting section is adjusted check valve simultaneously the air inlet area of the second air inlet.In the present embodiment, described limiting section is the limited post 102 that extends to form from base plate 103 upper surfaces to vertical direction, limited post 102 has certain length, and a plurality of limited posts are distributed in base plate 103 peripheries with identical spacing, so that check valve can not skid off guide pillar when moving to guide pillar free end 163.Described limited post 102 tops have end face 104, end face 104 is the inclined-planes with certain angle of inclination, because it is the inclined-plane that described fan blade covers 174 outer surfaces, when contacting with motor blower fan lid 174, end face 104 just stoped check valve to continue to move to the first air inlet 173 directions, formation face contacts between end face 104 and the fan blade lid 174, thereby make limited post be not easy to damage because repeatedly contacting with 174 collisions of fan blade lid, the length of limited post 102 can change according to the size of the required incoming air area of motor cabinet.Described base plate 103 edges are round a circle flange 105, and flange 105 is used for strengthening the intensity of limited post 102, makes limited post be not easy deformed damaged.Described middle cover 18 tops are provided with fan housing 19, and fan housing 19 is provided with cooling air port 191, thereby the cooling air of cooling motor enters the motor cooling motor by cooling air port 191 by cooling fan blade 172.Fan housing 19 tops have loam cake 13, and loam cake 13 is provided with control part 131, and the user can select to start a motor, two motors or three motors by the operation control part and start simultaneously to adapt to different cleaning ambients.

In the present embodiment, dust catcher 100 has three motors, and described motor cabinet 16 is provided with three motor cavities 165, and each motor cavity has the second air inlet, check valve 10 and guide pillar 166.When the user operates dust catcher by control part 131, the corresponding check valve 10 of motor that is in operating condition is inhaled to the first air inlet 173 by the suction that motor produces, check valve 10 slides along guide pillar 166, until the end face 104 of limited post 102 contacts with fan blade lid 174, this moment, check valve 10 was opened the second air inlet 168, and then air-flow enters the first air inlet by the second air inlet.When closing unit, check valve 10 relies on the self gravitation effect to reset along the guiding position of guide pillar, thereby seals the second air inlet.When having the motor of starting state and not startup simultaneously, the check valve 10 that the motor that does not start is corresponding is because the suction of interior other motors of machine, pressure in the pallet chamber 142 are lower than and are the pressure in the motor cavity of starter motor, therefore check valve is crushed on the second air inlet, thereby better must seal the second air inlet.

Further, described guide pillar is provided with fastener, and check valve is limited on the guide pillar, all similar fastener can be set among present embodiment and the following embodiment, and described fastener is screw.As shown in Figure 3, the free end 163 of guide pillar 166 is provided with screw 169, and screw 169 is fixed by screw thread and the guide pillar at guide pillar middle part.In above-described embodiment, design the motor cabinet that holds three motors and only placed two motors, if there is not fastener, the check valve of not placing in the motor cavity of motor may break away from from guide pillar in dust catcher transportation or overturning, causes in the dust catcher use procedure check valve ineffective.

Be illustrated in figure 6 as the second embodiment of the present utility model, the difference of present embodiment and above-described embodiment is that described guide post is to be located at the guiding rib 164 that is arranged in motor cavity 165 on the motor cabinet 16, guiding rib 164 between the first air inlet 173 and the second air inlet 168, guiding rib be positioned at motor cavity around.Check valve 10 is positioned at motor cavity 165 and guiding rib 164 is looped around check valve 10 peripheries, so check valve 10 can be along guiding rib 164 slips, to realize automatically opening and closing the second air inlet.

Be illustrated in figure 7 as the 3rd embodiment of the present utility model, control valve is umbrella valve 30 in the present embodiment, and umbrella valve 30 is between the first air inlet 173 and the second air inlet 168.Umbrella valve 30 is that umbrella valve and hardness are moderate, and the material with certain temperature tolerance and flexibility is made, and in this example, the material of umbrella valve 30 is heatproof silica gel.Umbrella valve 30 middle parts are provided with mesopore 304, the projection 305 at the second air inlet 168 middle parts passes described mesopore 304, umbrella valve 30 is set on the projection 305, umbrella valve 30 tops are provided with pad 302 and screw 301, screw 301 is fixed on umbrella valve 30 on the projection 305, the diameter of umbrella valve 30 makes the umbrella valve can cover the second air inlet fully greater than the diameter of the second air inlet.Umbrella valve 30 also has shirt rim 303, and the shirt rim can move up and down to realize opening or closing the second air inlet according to the pressure reduction variation.When electric motor starting, the suction that motor produces picks up the shirt rim 303 of umbrella valve 30, and this moment, the second air inlet was opened.When motor cut out, shirt rim 303 was subject to Action of Gravity Field and covers the second air inlet downwards, thus autoshutdown the second air inlet.

Be depicted as the 4th kind of embodiment of the present utility model such as Fig. 8 and 9, control valve is roll-over valve 40 in the present embodiment, and roll-over valve is between the first air inlet 173 and the second air inlet 168.Roll-over valve 40 has cover plate 403, and cover plate 403 can cover the second air inlet.Roll-over valve 40 also has end 404, and end 404 is connected with cover plate 403, and end 404 is provided with rotating shaft 401, and the shaft hole matching in rotating shaft 401 and the motor cavity 165 is so that cover plate 403 can rotate around the axis.End 404 and edge, cover plate 403 junction surface also are provided with limited block 402, limited block 402 is by the end upper lobes, when cover plate 403 turns to certain angle, limited block 402 block 55 interior with being located at motor cavity contacts, block 55 stops cover plate 403 to be rotated further, prevent that cover plate 403 from sheltering from the first air inlet 173 because rotational angle is excessive, affects the dust catcher performance.Be as shown in figure 10 the integrated application of above-described embodiment in a dust catcher, check valve 10, umbrella valve 30 and roll-over valve 40 are separately positioned in the motor cavity, to realize automatically opening and closing the function of air inlet.

Be the 5th kind of embodiment of the present utility model as shown in FIG. 11 and 12, the difference of present embodiment and first embodiment is to have added elastic component, present embodiment Elastic spare is spring 50, present embodiment is will illustrate that control valve resets not only can rely on self gravitation to realize, also can rely on external force to realize, as using spring 50 in the present embodiment.Elastic component can be stage clip or extension spring, and those skilled in the art can just can realize by simple transformation on basis of the present utility model, not enumerate one by one at this.Be provided with check valve 10 such as tool between Figure 11 and 12, the first air inlets 173 and the second air inlet 168, guide pillar 166 and spring 50, spring 50 are set on the guide pillar 166, and both ends of the spring joins with check valve 10 and rib 167 respectively.As Figure 11 be spring in a state of nature, this moment motor 17 be not activated, check valve 10 is closed the second air inlet 168.Such as Figure 12, behind starter motor 17, check valve 10 is subjected to the motor suction by motor, is moved upward along guide pillar 166, therefore makes spring 50 be in extended state, until check valve 10 stressed roughly balances, this moment, the second air inlet was opened; Behind disable motor 17, motor suction disappears, and check valve 10 is subject to the elastic-restoring force effect and again closes the second air inlet.Same, among the 4th embodiment roll-over valve 40 equally can with the torsion spring combination, utilize torsion spring to realize resetting, it is apparent that those skilled in the art carry out such combination on the basis of the utility model disclosure content, therefore repeats no more.

In above-described embodiment, described the first air inlet and the second air inlet all are oppositely arranged, motor cavity 165 between the first air inlet and the second air inlet, this is preferred a kind of embodiment, the first air inlet and the second air inlet also can arrange in other mode, shown in Figure 13 and 14, the second air inlet 168 can be arranged at the side of motor cabinet 16, and is vertical with the first air inlet 173 axis directions.Also can be as shown in figure 14, the setting of also can staggering of the first air inlet and the second air inlet, specifically how to arrange and to adjust according to designing requirement and the structure of different dust catchers, as long as in the space between the first air inlet and the second air inlet, control valve can be set realize that the opening and closing of the second air inlet get final product.

Embodiment technical scheme of the present utility model is changed in different operating state dependence of lower time control valve realization air channel automatically at a plurality of motors of dust catcher, does not need manual adjustments or increases in addition the action governor motion.Simultaneously, when the structure of a plurality of motor cavities identical, when control valve is identical, can be general in a plurality of positions, be convenient to final assembly.The utility model is not limited to use on the dust catcher, and any device of air channel control that needs all can adopt the technical solution of the utility model.

Claims

1. dust catcher, comprise the motor that suction is provided, motor has the first air inlet, described motor places motor cavity, described motor cavity is provided with the second air inlet, be provided with control valve between described the first air inlet and the second air inlet, it is characterized in that: described control valve can rotate to open or close the second air inlet in motor cavity.

2. dust catcher as claimed in claim 1, it is characterized in that: described control valve has rotating shaft, and control valve rotates around the axis.

3. dust catcher as claimed in claim 1, it is characterized in that: described control valve has cover plate, and cover plate can cover the second air inlet.

4. such as the described dust catcher of the arbitrary claim of claims 1 to 3, it is characterized in that: described control valve has limiting section, prevents that the control valve rotational angle is excessive.

5. dust catcher as claimed in claim 4, it is characterized in that: be provided with block in the described motor cavity, control valve stops operating behind the described limiting section contact blocks.