JP5380089B2 - Suction port, vacuum cleaner - Google Patents

Description

  The present invention relates to a suction port body and a vacuum cleaner using the same, and in particular, a suction port body including a moving part in which a part of a ceiling portion of a suction chamber of a suction port body moves downward and an electric power using the same. It relates to a vacuum cleaner.

  Conventionally, this type of vacuum cleaner includes a vacuum cleaner body that houses an electric blower, and the vacuum cleaner body is provided with a dust collecting portion that communicates with the suction side of the electric blower. The main body suction port is communicated with a main body suction port, and further, a hose body, an extension pipe, and a floor brush as a suction port body are sequentially connected to the main body suction port.

  Conventional floor brushes have a rotating brush in the suction port body and a suction port on the lower surface of the suction port body facing this rotating brush. The length of the suction port body must be reduced (thin). Therefore, when the upper and lower gaps between the floor and the furniture are narrow, there is a problem that the gap cannot be cleaned because the suction port (floor brush) is high.

  In addition, by providing a reinforcing member that overlaps the suction port body from the front end to the top surface of the suction port body, the outer shell can be held by the suction port body and the reinforcement member against impact from the front surface. There has been proposed a suction port body that keeps the space around the rotating brush constant and eliminates the center of rotation of the rotating brush to stabilize the suction and dust collection performance (for example, see Patent Document 1).

  However, since the suction port described in Patent Document 1 cannot be reduced in height, the narrow upper and lower gaps cannot be cleaned. In addition, a cover that can be rotated about its axis is provided at the front of the suction port body, and when this cover is retracted, the cleaning member comes into contact with the cover, and a suction port body that can scrape dust on the wall side is provided. It has been proposed (see, for example, Patent Document 2).

  However, although the suction inlet described in Patent Document 2 can scoop up dust on the wall or the like, the height cannot be reduced, and therefore it is not possible to clean a narrow upper and lower gap.

Japanese Patent Laid-Open No. 2002-272652 JP 2006-187640 A

  The present invention has been made in consideration of the above-described circumstances, and an object of the present invention is to provide a suction port body capable of cleaning a narrow upper and lower gap such as a floor and furniture, and a vacuum cleaner using the same.

In order to achieve the above-described object, a suction port body according to the present invention is provided in a suction port body having a suction chamber provided in a front end portion, a rotary cleaning body accommodated in the suction chamber, and the suction port body. A moving part that is disposed above the rotary cleaning body and forms a part of the ceiling of the suction port body and the ceiling part of the suction chamber, and moves downward to reduce the height of the front end of the suction port body And a connecting pipe communicating with the suction chamber.

  In addition, a vacuum cleaner according to the present invention includes a vacuum cleaner body that houses an electric blower, and the suction port body that is connected to the suction side of the electric blower with respect to the vacuum cleaner body. And

  According to the suction port body according to the present invention, it is possible to provide a suction port body capable of cleaning narrow upper and lower gaps such as floors and furniture.

  Moreover, according to the vacuum cleaner which concerns on this invention, the vacuum cleaner using the suction inlet which can clean narrow upper and lower gaps, such as a floor and furniture, can be provided.

The conceptual diagram of the vacuum cleaner of 1st Embodiment of this invention. The perspective view of the suction inlet of 1st Embodiment of this invention. The longitudinal cross-sectional view of the suction inlet of 1st Embodiment of this invention. The longitudinal cross-sectional view of the opening obstruction | occlusion state which expands and shows the suction chamber vicinity of the suction inlet of 1st Embodiment of this invention. The longitudinal cross-sectional view of the opening open state which expands and shows the suction chamber vicinity of the suction inlet of 1st Embodiment of this invention. The longitudinal cross-sectional view of the suction inlet of 2nd Embodiment of this invention. The longitudinal cross-sectional view which shows the use condition of the suction inlet of 2nd Embodiment of this invention.

  A suction port according to a first embodiment of the present invention and a vacuum cleaner using the same will be described with reference to the drawings.

  As shown in FIG. 1, the electric vacuum cleaner 51 of the present embodiment includes a vacuum cleaner body 52, and the vacuum cleaner body 52 is dust that is sucked together with intake air generated by driving an electric blower 53 accommodated therein. Is collected in a dust collecting part (not shown).

  The cleaner main body 52 houses a control circuit (not shown) as a control means for controlling the operation of the electric blower 53, and a main body inlet 54 for sucking air from the outside is opened at the front. The main body suction port 54 is connected to a flexible and bendable elongated substantially cylindrical hose body 55 in communication.

  A hand operation unit 56 capable of selecting an operation mode of the electric blower 53 is provided at the tip of the hose body 55. A gripping portion 57 that is gripped by an operator when cleaning is projected from the proximal operation portion 56 toward the proximal end side, and a predetermined signal is transmitted to the control circuit to the gripping portion 57 to clean the cleaner. A plurality of setting buttons 58 for setting the electric blower 53 and the like in the main body 52 to a plurality of operation modes are provided.

  Further, a telescopic and elongated cylindrical extension tube 59 is detachably connected to the distal end of the hand operation unit 56. That is, the extension pipe 59 is connected to the suction side of the electric blower 53 via the hose body 55. Further, at the tip of the extension pipe 59, for example, a suction port body as a suction port body of the present invention that is placed on a floor carpet or the like as an indoor surface to be cleaned and sucks dust on the carpet. A (floor brush) 1 is detachably connected.

  Therefore, the suction port body 1 is connected to the suction side of the electric blower 53 through the extension pipe 59, the hose body 55, and the main body suction port 54.

  As shown in FIG. 2, the suction port body 1 includes a horizontally long suction port body 2 and a connection pipe 3 that is rotatably provided at a rear portion of the suction port body 2.

  The suction port body 2 is open on the upper side, covers the lower case 4 that forms the lower part of the suction port body 2, and the rear side of the upper part of the lower case 4, so that the connection pipe 3 can be freely rotated between the lower case 4 and the lower case 4. An upper case 5 is provided.

  As shown in FIG. 3 and FIG. 4, the lower case 4 has a horizontally elongated suction chamber 7 that accommodates a rotary brush 6 that is a rotary cleaning body at the front end, and is formed in a cutout shape extending in the width direction. The lower suction port 8A is formed in communication with the suction chamber 7, and the front suction port 8B is provided on the front surface of the lower case 4.

  The suction chamber 7 is communicated with the connection pipe 3 through the communication path R.

  The rotating brush 6 is pivotally supported by a bearing portion (not shown) that defines both sides of the suction chamber 7.

  The rotating brush 6 is rotated by a motor (not shown) or a negative pressure, and a plurality of cleaning members 6b are attached around a substantially cylindrical rotating brush assembly 6a as an attaching member. The rotary brush assembly 6a is formed of synthetic resin or the like, and a groove portion 6c that holds the base end side of each cleaning member 6b is formed on the outer peripheral surface of the rotary brush assembly 6a substantially in a spiral shape in the circumferential direction. Yes. The cleaning member 6b is a wiping member such as a blade, brush bristles, or a combination thereof. The base end side is held in the groove 6c of the rotating brush assembly 6a, so that the outer peripheral surface of the rotating brush assembly 6a is held. Thus, the tip end side protrudes in the radial direction of the rotating brush assembly 6a in a spiral wall shape along the axial direction of the rotating brush assembly 6a.

  As shown in FIGS. 4 and 5, on the other hand, a ventilation opening 10 is provided along the longitudinal direction of the rotary brush 6 in a part of the upper case 5 that forms the ceiling of the suction chamber 7 above the rotary brush 6. .

  Further, the ventilation opening 10 is provided with a rotating member 11 as a moving part that closes the ventilation opening 10 as appropriate. The rotating member 11 is plate-shaped and has a side-view arc shape. A plurality of long grooves 11a for rectification and distribution are provided on the surface so as to extend toward the ventilation opening 10, and can be freely rotated by the shaft 12 at the front side portion. It is supported and biased upward by a spring 13 as an elastic body to keep the ventilation opening 10 closed, and the rotating member 11 is pressed against the spring 13 from above to rotate downward. The length of the suction port 1 is lowered and the vent opening 10 is opened.

  The spring 13 has such an elastic strength that the rotating member 11 moves downward due to the negative pressure of the suction chamber 7 and the ventilation opening 10 is not opened.

  Since the rotating member 11 is pivotally supported and biased upward by the spring 13, the ventilation opening 10 can be opened and closed with a simple structure.

  The rotating member 11 is preferably formed of a soft member.

  As shown in FIGS. 2 and 3 again, the outer periphery of the lower case 4 is provided with bumper members 14a and 14b (FIG. 2) made of a softer material than the lower case 4, and the lower case 4 has auxiliary Wheels 15 are provided.

  Furthermore, the protrusion part 16 is provided in the both sides of the front suction inlet 8B of the lower case 4, and the raising cloth 17 is attached to the lower end surface of this protrusion part 16, and the dust of the both sides of the suction inlet body 1 is scraped off.

  Next, cleaning using the electric vacuum cleaner according to the present invention will be described with reference to FIGS.

  In cleaning, first, the operator connects the hose body 55, the extension pipe 59, and the suction port body 1 to the main body suction port 54 of the cleaner body 52 in order.

  Further, when the operator pulls out the power cord from the cleaner main body 52 and connects it to an unillustrated outlet, and then grips the grip portion 57 and operates the predetermined setting button 58, the operation mode set by the setting button 58 is set. Accordingly, the electric blower 53 is driven.

  In a normal use state, the rotating member 11 is kept closed by the action of the spring 13.

  And an operator grasps grasping part 57 and runs suction mouth 1 forward and backward on a floor surface.

  As the suction port body 1 travels, dust-containing air is sucked from the lower suction port 8A and the front suction port 8B.

The dust-containing air sucked from the lower suction port 8A and the front suction port 8B is sucked into the electric blower 53 through the suction chamber 7, the extension pipe 59, the hose body 55, and the main body suction port 54, and is removed by the dust collecting portion. Is done.

  On the other hand, when the upper and lower narrow gaps between the floor and furniture are cleaned, the suction inlet 1 is inserted into the gap, but as shown by the dotted line in FIG. The moving member 11 is pressed from above and moved (rotated) downward against the spring 13.

  At this time, since the rotating member 11 is formed of a soft member, the bottom plate P of furniture or the like is not damaged.

  Due to the downward movement of the rotating member 11, the height of the suction port body 1 is lowered, and the suction port body 1 can be inserted further into the gap. Thereby, a clearance gap can be cleaned to the back.

  Further, the downward movement of the rotating member 11 opens the ventilation opening 10, and the dust attached to the bottom plate P such as furniture at the upper part of the gap is sucked through the ventilation opening 10.

  At this time, since a plurality of long grooves 11 a are provided on the surface of the rotating member 11, the dust-containing air can be efficiently ventilated without disturbing the flow between the bottom plate of furniture or the like and the surface of the rotating member 11. 10 is sucked into.

  Furthermore, by reducing the overall length of the suction port body, the suction efficiency is reduced, and unlike the suction port body that generates noise, the present suction port body 1 is designed to increase the height of the suction port body 1 only when cleaning the gap. Since the structure is lowered, the air passage is not narrowed in a normal use state where the air is used more frequently, and the suction efficiency is not lowered and noise is not generated.

  In the first embodiment, the rotating member is rotated downward by the pressing force from above. However, the rotating member may be rotated using a solenoid or a motor that is externally controlled.

  According to the suction port body of the first embodiment, a suction port body that can clean a narrow upper and lower gap such as a floor and furniture is realized.

  Next, the suction inlet body which concerns on 2nd Embodiment of this invention is demonstrated.

  In the second embodiment, the moving portion is formed of an elastic member, whereas the moving portion of the first embodiment moves downward with a rotating member.

  As shown in FIGS. 6 and 7, a deforming portion 11 </ b> A is formed as a moving portion on the ceiling portion of the suction chamber 7 above the rotating brush 6. The deformable portion 11A is made of, for example, an elastic soft synthetic resin and is integrally formed with the upper case 5 or only the deformable portion 11A is formed of an elastic soft synthetic resin and is attached to the upper case 5 integrally. In order to ensure the deformation and return of the deforming portion, a leaf spring that is constantly biased upward may be attached to the back surface of the deforming portion.

  At the time of cleaning, in the normal use state, as shown in FIG. 6, the deforming portion 11A is in the normal position, and in the normal use state where more is used, the air passage is not narrowed and the suction efficiency is lowered. And no noise.

  Further, when cleaning the narrow gap between the floor and furniture, the suction port body 1 is inserted into the gap, but as shown by the dotted line in FIG. The portion 11A is pressed from above, and the deformable portion 11A having elasticity is moved (deformed) downward.

  At this time, since the deformed portion 11A is formed of an elastic soft member, the bottom plate of furniture or the like is not damaged.

  By the downward movement of the deforming portion 11A, the height of the suction port body 1 is lowered, and the suction port body 1 can be inserted further into the gap. Thereby, a clearance gap can be cleaned to the back.

  In addition, since another structure is not different from the suction inlet shown in FIG. 4, the same code | symbol is attached | subjected and description is abbreviate | omitted.

  According to the suction port body of the second embodiment, a suction port body that can clean a narrow upper and lower gap such as a floor and furniture is realized.

  Moreover, according to the vacuum cleaner of this invention, the vacuum cleaner main body which accommodated the electric blower, and the narrowness of 1st Embodiment and 2nd Embodiment connected to the suction side of an electric blower with respect to this vacuum cleaner main body are narrow. An electric vacuum cleaner having a suction port that can clean the upper and lower gaps is realized.

DESCRIPTION OF SYMBOLS 1 Suction port body 2 Suction port body 3 Connection pipe 4 Lower case 5 Upper case 6 Rotating brush 7 Suction chamber 8A Lower suction port 8B Front suction port 9 Bearing part 10 Ventilation opening 11 Rotating member 11a Groove 12 Shaft 13 Spring 14a, 14b Bumper member 15 Auxiliary wheel 16 Protruding portion 17 Brushed cloth 51 Electric vacuum cleaner 52 Vacuum cleaner main body 53 Electric blower 54 Main body suction port 55 Hose body 5
56 Hand operating part 57 Grip part 58 Setting button 59 Extension pipe R Communication path

Claims (7)

A suction port body having a suction chamber provided at the front end ;
A rotary cleaning body accommodated in the suction chamber;
Wherein provided on the suction port body, wherein disposed above the rotary cleaning body part of the ceiling of the suction port body, and without the ceiling portion of the suction chamber, moving below the front end portion of the suction inlet main body A moving part that lowers the length ,
A suction port body comprising a connection pipe communicating with the suction chamber. The suction port body according to claim 1, further comprising a shaft that is provided on a front side portion of the moving unit and rotatably supports the moving unit. When the mobile unit has moved downward, the suction port body according to claim 1 or 2, characterized in that the ventilation opening is formed in the ceiling portion. The suction port body according to claim 3 , wherein a plurality of long grooves extending toward the ventilation opening are provided on a surface of the moving part. Said moving portion is a plate member, the plate body is and is rotatably supported on said vent opening at its front side, claim 3, characterized in that it is urged upward by an elastic member or 4 The suction inlet described in 1. Suction port body according to any one of claims 1 to 5 wherein the mobile unit is characterized in that it consists of a soft member. A vacuum cleaner body containing an electric blower,
The vacuum cleaner characterized by comprising the suction port body according to any one of claims 1 to 6 , which is connected to the vacuum cleaner main body on the suction side of the electric blower.

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