JP2017018449A - Vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vacuum cleaner capable of suppressing deterioration of suction force due to incomplete mounting state of a filter part with respect to a cleaner body concerning the vacuum cleaner having a dust collection device and the filter part.SOLUTION: A vacuum cleaner includes: a cleaner body 1 incorporating an electric blower 9; a dust collection device 10 removably stored on the front side of the cleaner body 1, and centrifugally separating and collecting dust sucked with suction air of the electric blower 9; and a filter part 23 removably stored in the front direction of the cleaner body 1 and arranged on a side for storing the dust collection device 10. The filter part 23 is arranged between the downstream side of the dust collection device 10 and the suction side of the electric blower 9, and also arranged inside an air passage communicating with the suction side of the electric blower 9. A part of the outline of the filter part in the removal direction of the filter part 23 is abutted to the outline of the dust collection device 10. Consequently, the filter part 23 does not become an incomplete mounting state while the dust collection device 10 is mounted on the cleaner body 1, to thereby prevent the deterioration of suction force of the electric blower.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a vacuum cleaner, and more particularly to a vacuum cleaner including a dust collector and a filter unit that are detachable from a vacuum cleaner body.

  Conventionally, this type of vacuum cleaner has a vacuum cleaner body with a built-in electric blower, a dust collector that is detachable with respect to the vacuum cleaner body, and a filter portion that is detachable with respect to the vacuum cleaner body. The structure which forms a part of air path connected to the suction side of a blower with a filter part is proposed (for example, refer to patent documents 1).

JP 2014-18300 A

  However, the conventional vacuum cleaner still has room for improvement from the viewpoint of improving the usability of the vacuum cleaner.

  That is, in the conventional vacuum cleaner, when the user moves the main body of the vacuum cleaner, there is a possibility that the filter part is not completely attached to the main body of the vacuum cleaner due to an impact. When attaching and detaching, the filter part may be incompletely attached to the main body of the vacuum cleaner, and the suction path of the electric blower is reduced by opening the air passage from the dust collector to the electric blower. Had a problem.

  The present invention has been made in view of the problems of the prior art, and is configured such that a part of the outer portion of the filter portion in the attachment / detachment direction of the filter portion comes into contact with the outer shape of the dust collector, and the filter portion is a vacuum cleaner. An object of the present invention is to provide a vacuum cleaner that suppresses the incomplete mounting state of the main body.

  In order to solve the above-described problems of the prior art, the present invention relates to a vacuum cleaner main body including an electric blower that generates suction air, and is detachably housed in front of the vacuum cleaner main body, and is generated from the electric blower. A dust collecting device for centrifugally collecting dust sucked in by the suction air; and a filter unit which is detachably housed in the front direction of the cleaner body and provided on the side housing the dust collecting device; The filter unit is disposed between a downstream side of the dust collector and a suction side of the electric blower, and is disposed in an air passage communicating with the suction side of the electric blower. A vacuum cleaner characterized in that a part of the outer shell of the filter portion in the attaching / detaching direction is configured to come into contact with the outer shell of the dust collector.

  This prevents the filter unit from being incompletely attached to the vacuum cleaner body when the dust collector is attached to the vacuum cleaner body, preventing a reduction in the suction force of the electric blower, Usability can be improved.

According to the electric vacuum cleaner of the present invention, the filter unit does not become incompletely attached to the cleaner body when the dust collector is attached to the cleaner body, and the suction force of the electric blower is reduced. It is possible to prevent this, and the usability of the vacuum cleaner can be improved.

The perspective view of the electric vacuum cleaner in Embodiment 1 of this invention The main part perspective view from the front of the vacuum cleaner Sectional drawing from the side in the central axis of the left-right direction of the vacuum cleaner The main part perspective view in the state where the dust collector of the vacuum cleaner was removed The main part perspective view in the state where the filter part of the vacuum cleaner was removed Main part perspective view from the front of the filter part Exploded view of the filter section

  A first aspect of the present invention is a vacuum cleaner body having a built-in electric blower for generating suction air, and detachably housed in front of the vacuum cleaner body, and centrifugally separating dust sucked by the suction air generated from the electric blower And a filter unit that is detachably housed in the forward direction of the cleaner body and that is provided on the side of housing the dust collector, wherein the filter unit includes the dust collector. One of the outer portions of the filter unit disposed between the downstream side of the dust device and the suction side of the electric blower and disposed in an air passage communicating with the suction side of the electric blower and in the direction of attaching and detaching the filter unit The vacuum cleaner is characterized in that the portion is configured to come into contact with the outer shell of the dust collector.

  Thereby, in the state where the dust collector is attached to the vacuum cleaner body, the filter unit does not become incompletely attached to the vacuum cleaner body, and the suction force of the electric blower can be prevented from being reduced. Usability can be improved.

  According to a second aspect of the invention, in particular, in the first aspect of the invention, the filter part is provided with a gripping part for gripping located outside the cleaner when attached to the cleaner body. It is set as the structure located between a dust apparatus and a cleaner main body.

  As a result, when the filter unit is attached to the main body of the vacuum cleaner and the dust collector is attached to the main body of the vacuum cleaner, the user cannot operate the grip portion of the filter unit. Since the grip part of the filter part is not operated due to a mechanical factor, the filter part is not in an incompletely mounted state with respect to the main body of the vacuum cleaner, and the suction force of the electric blower can be suppressed from being reduced. Usability of the machine can be improved.

  In a third aspect of the invention, in particular, in the second aspect of the invention, the gripping part is composed of the same parts as the parts that contact the outer shell of the dust collector.

  Thereby, since it can be made to contact | abut with the outline of a dust collector by the components which comprise the grip part for grip of a filter part, a number of parts can be reduced and a vacuum cleaner main body can be reduced in weight.

  Hereinafter, a preferred embodiment of a vacuum cleaner of the present invention will be described in detail with reference to the drawings. In the following description, the same or corresponding parts are denoted by the same reference numerals, and redundant description is omitted.

(Embodiment 1)
Embodiment 1 of the present invention will be described with reference to FIGS.

FIG. 1 is a perspective view of the electric vacuum cleaner according to Embodiment 1 of the present invention. FIG. 2 is a front perspective view of the electric vacuum cleaner. FIG. 3 is a side cross-sectional view of the electric vacuum cleaner on the central axis in the left-right direction. FIG. 4 is a front perspective view of the electric vacuum cleaner with a dust collecting device removed. FIG. 5: is a front perspective view which shows the state which removes the filter part of the same vacuum cleaner. FIG. 6 is a front perspective view of the filter portion. FIG. 7 is an exploded view of the filter unit.

  As shown in FIG. 1, a vacuum cleaner 100 according to the present invention includes a vacuum cleaner body 1 including an electric blower 9 (see FIGS. 2 and 3) that generates suction air, and a suction that sucks dust on a surface to be cleaned. It comprises a tool 2, an extension pipe 3 whose one end is connected to the suction tool 2, and a hose 4 whose one end is connected to the extension pipe 3 and whose other end is connected to the cleaner body 1.

  The suction tool 2 has a built-in rotating brush (not shown) that scrapes off dust on the surface to be cleaned and an electric motor (not shown) that rotates the rotating brush (not shown). Further, a tip pipe 6 having a handle portion 5 to be held when the user cleans is provided at an end portion of the hose 4 on the side of the extension tube 3. The hose 4 is detachably connected.

  Further, a connection pipe 7 is provided at the end of the hose 4 on the cleaner body 1 side, and the inlet 8 and the hose 4 of the cleaner body 1 are detachably connected via the connection pipe 7. ing.

  As shown in FIG.2 and FIG.3, the cleaner main body 1 is comprised from the lower frame 11 which forms the lower surface of the cleaner main body 1, and the upper frame 12 which forms the upper surface of the cleaner main body 1, The lower frame body 11 and the upper frame body 12 are coupled by a claw, a screw or the like. A dust collector 10 that centrifuges and collects dust is detachably disposed on the upper frame 12 of the cleaner body 1.

  Further, a traveling caster 13 is rotatably mounted in front of the lower surface of the lower frame body 11, and traveling wheels 14 are provided on the left and right side surfaces of the lower frame body 11 at the rear. And it is comprised so that it can drive | work at least along the front-back direction. Hereinafter, the front-rear direction and the left-right direction are based on the traveling direction of the cleaner body 1.

  2 to 5, the electric blower 9 is included in the electric blower case 15 and is arranged so that the suction port 16 of the electric blower 9 is vertically upward with respect to the cleaner body 1. In addition, a filter case 17 is disposed vertically above the electric blower 9, and the electric blower case 15 and the filter case 17 are coupled by a claw, a screw, or the like. Further, an intake passage 18 is disposed vertically above the filter case 17, and the filter case 17 and the intake passage 18 are coupled by a claw, a screw, or the like.

  At this time, the filter case 17 has an opening a19 in the front direction of the cleaner body 1, and is configured to communicate with the dust collector storage space 20 provided in the upper frame 12 of the cleaner body 1. ing.

  The intake passage 18 is provided with an opening b <b> 21, and is configured to communicate with the opening c <b> 22 provided in the dust collector 10 when the dust collector 10 is mounted.

  As shown in FIGS. 6 and 7, the filter unit 23 includes a filter knob 24 and a filter frame 25 in which a dust collecting filter 27 capable of collecting fine dust is included. The filter frame 25 is coupled by screws.

At this time, in FIGS. 2 to 5, a space in which the filter part 23 can be enclosed is secured in the opening a <b> 19 of the filter case 17, and the filter part 23 is detachably included in the opening a <b> 19 of the filter case 17. Yes.

  Further, a rib body 26 extending in the forward direction is provided at a vertically upper portion of the filter knob 24, and a structure that comes into contact with an outer shell of the dust collector 10 when the dust collector 10 is mounted on the cleaner body 1. The dust collector 10 cannot be attached unless the filter part 23 is securely attached in the filter case 17, and the filter part 23 is not completely attached to the cleaner body 1. It is configured so as not to be in a state.

About the vacuum cleaner comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.
When the user starts cleaning using the electric vacuum cleaner 100, power is supplied from a power cord (not shown) to the electric blower 9, and suction air is generated by the electric blower 9. When suction wind is generated by the electric blower 9, dust on the surface to be cleaned is sucked together with air from the suction tool 2.

  The air containing the dust sucked from the suction tool 2 flows into the cleaner body 1 through the extension pipe 3 and the hose 4 and is then centrifuged by the dust collecting device 10 to collect only the dust. . Then, air substantially free of dust by centrifugation is discharged from the opening c22 of the dust collector 10 to the opening b21 of the intake passage 18.

  Thereafter, the air discharged to the opening b21 passes through the filter unit 23, and then is sucked into the electric blower 9 from the suction port 16, and is cooled to the outside of the cleaner body 1 while cooling the inside of the electric blower 9. Discharged.

  When the cleaning is finished, the user removes the dust collecting device 10 in which dust is collected from the cleaner body 1 and discards the dust collected in a disposal position such as a trash can. The dust collector 10 can basically collect all dust by centrifugation, but the inflowing air amount is unstable when the electric blower 9 is started or when the operation is finished. Part of the air containing dust that could not be completely centrifuged by the dust collector 10 passes through the filter unit 23 and is collected by the filter unit 23.

  When a considerable amount of dust is collected in the filter unit 23 and the filter unit 23 needs to be cleaned, the user removes the dust collector 10 from the vacuum cleaner main body 1 and removes the filter of the filter unit 23. The filter part 23 is removed from the cleaner body 1 by grasping the knob 24 and moving it in the forward direction of the cleaner body 1.

  Thereafter, the dust adhering to the filter unit 23 is removed, and the filter knob portion 24 of the filter unit 23 is grasped and inserted into the opening a19 of the filter case 17 in a state where the dust collector 10 is detached from the cleaner body 1. And the cleaning can be started again by attaching the dust collector 10 to the cleaner body 1.

  As described above, in the present embodiment, when the dust collector 10 is attached to the cleaner body 1, the filter unit 23 does not become incompletely attached to the cleaner body 1. A reduction in the suction force of the blower 9 can be prevented, and the usability of the electric vacuum cleaner 100 can be improved.

  In the present embodiment, when the filter unit 23 is attached to the cleaner body 1 and the dust collector 10 is attached to the cleaner body 1, the user picks the filter of the filter unit 23. The filter unit 23 cannot be operated, and the filter knob 24 of the filter unit 23 is not operated by an external factor, so that the filter unit 23 is not completely attached to the cleaner body 1. In other words, the suction force of the electric blower 9 can be prevented from being lowered, and the usability of the electric vacuum cleaner 100 can be improved.

  Furthermore, in the present embodiment, the above-described rib body 26 can be provided integrally with the components constituting the filter knob portion 24 of the filter portion 23 and can be brought into contact with the outer shell of the dust collecting device 10. Can be reduced, and the vacuum cleaner body 1 can be reduced in weight.

  The vacuum cleaner of the present invention is configured such that a part of the outer portion of the filter portion in the direction of attaching and detaching the filter portion is in contact with the outer shape of the dust collector, and the dust collector is attached to the main body of the cleaner. In the state, the filter part does not become incompletely attached to the main body of the vacuum cleaner, the suction force of the electric blower can be prevented from being lowered, and the usability of the vacuum cleaner can be improved. It can be suitably applied to the field and application of industrial vacuum cleaners.

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner main body 2 Suction tool 3 Extension pipe 4 Hose 5 Handle part 6 Tip pipe 7 Connection pipe 8 Inlet 9 Electric blower 10 Dust collector 11 Lower frame 12 Upper frame 13 Caster 14 Wheel 15 Electric blower case 16 Inlet 17 Filter case 18 Intake passage 19 Opening a
20 Dust collector storage space 21 Opening b
22 opening c
23 Filter part 24 Filter knob part 25 Filter frame 26 Rib body 27 Dust collection filter 100 Vacuum cleaner

Claims (3)

A vacuum cleaner main body with a built-in electric blower that generates suction air, and a collection unit that is detachably housed in front of the main body of the vacuum cleaner and collects the dust sucked in by the suction air generated from the electric blower by centrifugation. A dust device, and a filter part that is detachably housed in a forward direction of the vacuum cleaner body, and that is provided on a side that houses the dust collector, wherein the filter part includes a downstream side of the dust collector, A part of the outer portion of the filter part that is disposed between the suction side of the electric blower and is disposed in an air passage communicating with the suction side of the electric blower and in the attachment / detachment direction of the filter part is the dust collecting part. A vacuum cleaner characterized by being configured to abut against the outer shell of the apparatus. The filter part is provided with a gripping part for gripping located outside the cleaner body in a state where the filter part is attached to the cleaner body, and the gripping part includes the dust collector and the cleaner body. The vacuum cleaner of claim 1, wherein the vacuum cleaner is configured to be located between the two. The electric vacuum cleaner according to claim 2, wherein the grip portion is made of the same component as a component that comes into contact with an outer shell of the dust collector.

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