JP2007054269A - Vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vacuum cleaner capable of surely preventing biting of a paper pack when closing a dust collecting lid. <P>SOLUTION: In the vacuum cleaner which is provided with a dust collecting chamber 12 capable of mounting the paper pack 10 for collecting dust and in which the opening of the dust collecting chamber 12 is hermetically sealed by the dust collecting lid so as to be freely opened and closed, a biting preventing member projected from the opening edge 16 of the dust collecting chamber 12 for preventing the biting of the paper pack 10 between the opening edge 16 and the dust collecting lid is provided. The biting preventing member is composed of a plurality of ribs 17 formed along the opening edge 16 on both side walls inside the dust collecting chamber 12, respectively, and projected over the opening edge 16. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an electric vacuum cleaner having a dust collection chamber in which a dust collection paper pack can be mounted.

  Conventionally, an electric vacuum cleaner equipped with a dust collection chamber in which a dust collection paper pack can be mounted is well known (for example, see Patent Document 1), and the dust collection chamber in which the paper pack is mounted is opened and closed with a dust collection lid. It is designed to be sealed freely.

As shown in FIG. 5, a plurality of ribs projecting inward are formed on both side walls of the dust collection chamber shown in Patent Document 1, whereby the paper pack collects dust. Even if it swells greatly, it is possible to prevent contact with both sides of the dust collection chamber with a gap.
JP-A-7-88060

  By the way, the vacuum cleaner body has been reduced in size and slim year by year, and the width of the dust collecting chamber has been reduced accordingly. However, since it is expensive to prepare a paper pack that matches each dust collection chamber for each model, a common paper pack is used for a plurality of models.

  Under such circumstances, a paper pack suitable for a wider dust collection chamber is used for a dust collection chamber formed to be narrower corresponding to the size and slimness of the cleaner body. However, there has been a problem that upper portions of both sides of the paper pack which has been swelled by collecting dust protrude from the opening edge of the dust collecting chamber and are bitten when the dust collecting lid is closed.

  Note that the ribs in the dust collection chamber shown in Patent Document 1 are in close contact with the side walls of the dust collection chamber even if the paper pack collects dust and expands greatly as described above. This is to prevent biting when the paper pack protrudes from the opening edge of the dust collecting chamber.

  Accordingly, the present invention has been made to solve such problems, and an object thereof is to provide an electric vacuum cleaner that can reliably prevent the paper pack from being bitten when the dust cover is closed. Is.

  In order to achieve the above object, the present invention provides a vacuum cleaner that includes a dust collection chamber in which a dust collection paper pack can be mounted, and in which the opening of the dust collection chamber is hermetically sealed with a dust collection lid. And a biting prevention member that protrudes from the opening edge of the dust collecting chamber and prevents the paper pack from biting between the opening edge and the dust collecting lid.

  Further, the biting prevention member is formed of a plurality of ribs that are formed on both side walls in the dust collection chamber along the opening edge and project beyond the opening edge.

  Further, the dust collection chamber is configured so that a cyclone type dust box can be mounted instead of the dust collection paper pack, and the biting prevention member also has a positioning function of the dust box. is there.

  The dust collection chamber is configured so that a cyclone type dust box can be mounted in place of the dust collection paper pack, and when the dust collection paper pack and the dust box are not mounted in the dust collection chamber, A single mechanism for preventing the dust collection chamber opening from being closed by the dust collection lid is provided.

  Further, as the single mechanism, a clamp button that is rotated when the dust collecting paper pack is attached and detached and that is associated with the dust collecting lid is rotated in substantially the same manner while contacting the dust box when the dust box is attached and detached. It is characterized by being configured to move.

  Further, the left and right positioning mechanism of the mount for mounting the dust collecting paper pack is constituted by both side walls in the dust collecting chamber.

  The dust collection chamber is formed by a dust collection case mounted on a lower case of the vacuum cleaner main body, and a right and left positioning mechanism for mounting the dust collection paper pack on both side walls in the dust collection case. It is characterized by comprising.

  According to the present invention, the vacuum cleaner main body can be downsized by including the biting prevention member that protrudes from the opening edge of the dust collecting chamber and prevents the paper pack from biting between the opening edge and the dust collecting lid. Even if a paper pack tailored to a wider dust collection chamber is used for the dust collection chamber that has been made narrower due to slimming, the paper pack when the dust collection lid is closed is used. Biting can be reliably prevented.

  The biting prevention member is formed of a plurality of ribs that are formed on both side walls in the dust collection chamber along the opening edge and project beyond the opening edge, so that the structure is relatively simple and the cost is low. Thus, the paper pack can be reliably prevented from biting when the dust cover is closed.

  Further, the dust collection chamber is configured so that a cyclone type dust box can be mounted instead of the dust collection paper pack, and the biting prevention member is configured to have a dust box positioning function. It becomes possible to simplify, reduce the size and slim the structure of the main body of the vacuum cleaner provided with the dust collecting chamber for both the system and the cyclone system.

  Further, the dust collection chamber is configured so that a cyclone type dust box can be installed instead of the dust collection paper pack, and the dust collection chamber is arranged when neither the dust collection paper pack nor the dust box is installed in the dust collection chamber. By providing a single mechanism that prevents the lid from closing the dust collection chamber opening (hereinafter referred to as the “poca-avoidance mechanism”), the pockets in the main body of the vacuum cleaner equipped with a dust collection chamber for both the paper pack type and the cyclone type are provided. The number of parts and the space of the avoidance mechanism can be reduced, and the cost can be reduced and the size and size can be reduced.

  In addition, as the single poka avoidance mechanism, the clamp button that is rotated when the dust collecting paper pack is attached and detached and that is associated with the dust collecting lid is rotated in the same manner while contacting the dust box when the dust box is attached or detached. As a result of this configuration, the number of parts and the space required for the poka avoidance mechanism in the vacuum cleaner main body equipped with a dust collection chamber for both paper pack and cyclone methods can be reduced without losing ease of use and effective use of the clamp button. Therefore, it is possible to reduce the cost and reduce the size and the size.

  In addition, the left / right positioning mechanism for the mount for mounting the dust collection paper pack is configured with both side walls in the dust collection chamber, making it easier to clean the vacuum cleaner body compared to the case where a general left / right positioning rib is formed. Can be made smaller and slimmer.

  The dust collecting chamber is formed by a dust collecting case mounted on the lower case of the vacuum cleaner main body, and the right and left positioning mechanism for mounting the dust collecting paper pack is configured by both side walls in the dust collecting case. This makes it possible to make the dust collection case more compact and slim compared to the case where the right and left positioning ribs are formed in the dust collection case. Is also possible.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a perspective view showing an appearance of a vacuum cleaner main body in an electric vacuum cleaner according to an embodiment of the present invention, and FIG. 2 is a central longitudinal sectional view thereof.

  The canister-type vacuum cleaner main body 1 includes a lower case 2 and an upper case 3, and a dust collection lid 4 that opens and closes an upper surface opening of a dust collection chamber, which will be described later, opened on the front upper surface of the upper case 3; It is formed from a front cover 6 having an insertion port 5 into which an unillustrated extension tube and a hose connected to a floor suction tool are inserted.

  A caster-type small-diameter front wheel 7 is provided at the center of the front side of the bottom surface of the cleaner body 1, and a large-diameter rear wheel 8 is provided at the rear side of both side surfaces. Further, a handle 9 for carrying the cleaner main body is rotatably provided on the rear side of the dust collecting lid 4 on the upper surface side of the cleaner main body 1.

  In the vacuum cleaner main body 1, a dust collection for both uses that can be mounted in either the dust collecting paper pack 10 (see FIG. 3) or the cyclone type dust box 11 (see FIGS. 2, 4, or 5) at the front. A chamber 12 is formed, and an electric blower chamber 14 in which an electric blower 13 is housed is formed at the rear.

  As shown in FIG. 5, the cyclone-type dust box 11 has a suction port 11a in the lower part on the front side, and a cyclone-type dust collecting part 11b is formed inside, and is opened when the dust is discarded on the back side. The filter frame 11c is provided, and a handle portion 11d is provided on the upper surface side. On the front edge of the handle portion 11d, there is formed a recess 11e related to a POCA avoidance mechanism described later.

  The dust collection chamber 12 is formed by a dust collection case 15 (see FIG. 6) that is fixed to the front portion of the lower case 2 with screws. In the dust collection chamber 12 (dust collection case 15), the dust collection chamber 12 (dust collection case 15) is used as a biting prevention member for preventing the paper pack 10 from biting between the opening edge 16 and the dust collection lid 4. Ribs 17 are formed on the both side walls in the inside so as to extend along the opening edge 16 at intervals in the front-rear direction and project beyond the opening edge 16. As shown in FIG. 3 (the dust collecting lid 4 is omitted), the biting prevention rib 17 allows the paper pack 10 to be disposed on both sides when the paper pack 10 mounted in the dust collecting chamber 12 collects dust and expands. Thus, the paper pack 10 is prevented from protruding from the opening edge 16 by suppressing excessive swelling to both sides so as to reliably prevent biting.

  Further, as shown in FIG. 4 (the dust collecting lid 4 is omitted), the biting prevention rib 17 is positioned to prevent the dust box 11 from rattling or the like when the cyclone type dust box 11 is attached to the dust collecting chamber 12. It is configured to have both functions.

  On the other hand, a suction port 18 communicating with the hose insertion port 5 described above is formed in the foremost part of the dust collecting chamber 12, and a packing 19 is attached to the suction port 18. Above the suction port 18, as shown in FIG. 8, the vertical mounting of the mount 10 a for mounting the paper pack 10 and the peripheral edge of the suction port 10 b formed on the mount 10 a are attached to the packing 19 of the suction port 18. A clamp button 20 is provided which has a clamp hook 20a for fixing the mount 10a in close contact and is rotatably attached.

  As shown in FIG. 7, when neither the paper pack 10 nor the dust box 11 is attached to the dust collection chamber 12, the clamp button 20 is biased by a spring or the like and tilted backward. The clamp button 20 is configured so that the dust collecting lid 4 does not close due to the bump avoiding rib 4a of the dust collecting lid 4.

  Further, as shown in FIG. 8, when the paper pack 10 is mounted in the dust collecting chamber 12, the clamp button 20 that is rotated to fix the mount 10a of the paper pack 10 is inclined forward, The dust collecting lid 4 is pivoted to a position where the poka avoiding rib 4a does not hit, so that the dust collecting lid 4 is closed.

  Further, when the dust box 11 is mounted in the dust collection chamber 12, the clamp button 20 automatically contacts the suction port 11a periphery of the dust box 11 and the front edge of the handle portion 11d as shown in FIGS. It rotates in substantially the same manner as when the paper pack is mounted, and is in a position where the poka avoiding rib 4a of the dust collecting lid 4 does not hit as shown in FIGS. 13 and 14, and the dust collecting lid 4 is closed as shown in FIG. It is configured as follows. At this time, the handle portion 11d is configured not to hit the poka avoiding rib 4a by the recess 11e formed at the front edge thereof.

  That is, in the present embodiment, a single poka avoidance mechanism is provided that prevents the dust collection lid 4 from closing the opening of the dust collection chamber 12 when neither the paper pack 10 nor the dust box 11 is mounted in the dust collection chamber 12. ing. As this single poka avoidance mechanism, the clamp button 20 that is rotated when the paper pack 10 is attached and detached and is associated with the poka avoidance rib 4a of the dust collecting lid 4 can be used effectively. It is configured to rotate in substantially the same manner while abutting against the dust box 11.

  In the present embodiment, the left / right positioning mechanism for the mount 10 a of the paper pack 10 is configured by both side walls in the dust collection chamber 12. Specifically, as shown in FIGS. 15 to 17, the left and right sides of the mount 10 a of the paper pack 10 at both side walls 15 a and 15 a at the positions where the clamp buttons 20 are provided in the dust collection case 15 forming the dust collection chamber 12. It is configured to perform positioning. As shown in FIG. 16, the both side walls 15a and 15a are formed so that the lower side coincides with the width of the mount 10a and the upper side is gradually widened. Has been devised to make it easy.

  Also, as shown in FIG. 18, a lattice-shaped air inlet cover 21 is attached to the opening that communicates the dust collection chamber 12 and the electric blower chamber 14, and the fine dust filter is held by the filter frame here. Although the filter fixture 22 is detachably mounted, a claw receiver that receives the locking claw 22a on the lower side of the filter fixture 22 is formed between the air inlet cover 21 and the dust collecting case 15 in this embodiment. The concave portion 23 is formed.

  In general, when a claw receiver that receives the locking claw 22a of the filter fixture 22 as described above is provided, it is necessary to form a recess by undercut in any part of the air inlet cover 21 or the dust collecting case 15, In order to form a cut, a slider must be added to the mold, which complicates the mold.

  That is, FIG. 18B shows a conventional configuration example. In this conventional example, the air inlet cover 21 is formed with a claw receiving hole 21a by an undercut, but a component that requires an undercut (here, an air inlet cover). 21) A slider is required in the mold. On the other hand, in the present embodiment, as shown in the enlarged view of the main part of FIG. 18A in FIG. 18C, the step 15b formed on the lower rear end side of the dust collecting case 15 and the air inlet cover 21. The lower front end 21b forms a claw receiving recess 23 that receives the locking claw 22a on the lower side of the filter fixture 22. In this way, by configuring the undercut portion with two parts, a slider in the mold becomes unnecessary, and the mold structure can be simplified.

  In addition, as in the present embodiment, a dust collection case 15 is provided that includes a dust collection chamber 12 for both the paper pack 10 and the cyclone type dust box 11 and the dust collection chamber 12 is fixed to the lower case 2 with screws. In what is formed, a screw boss for screwing is formed at the bottom of the dust collecting chamber 12 (dust collecting case 15), and the dust box 11 is moved back and forth so that the sealing degree of the front and rear packings is impaired. In order to prevent this, a positioning structure in the front-rear direction is required.

  However, since the screw boss in the dust collection chamber 12 (dust collection case 15) may break the paper pack 10, it is necessary to have a shape (planar shape) in which stress is not concentrated, and including the positioning configuration of the dust box 11 The structure inside the dust collection chamber 12 (dust collection case 15) becomes complicated, and the space is also limited.

  Therefore, in the present embodiment, the screw boss in the dust collection chamber 12 (dust collection case 15) is formed in a planar shape to prevent the tear of the paper pack 10, and the dust box 11 is also positioned.

  That is, normally, a small circular screw boss 15c is used for screwing as shown in FIG. 19 (b). With this configuration, when the paper pack 10 collects dust and expands, the small circular boss 15c is used. When it hits the screw boss 15c, it is easy to concentrate stress and torn easily. Therefore, in the present embodiment, as shown in FIGS. 19A and 19C, the screw boss 15d that is horizontally long in the width direction of the dust collecting chamber 12 is used, and the dust box 11 can be positioned at the rear edge 15e. It is comprised as follows.

  With this configuration, when the paper pack 10 is used, even if the paper pack 10 swells by collecting dust as shown in FIG. 20, the surface of the screw boss 15d that hits the swelled paper pack 10 is wide, so stress is concentrated. It becomes hard to tear easily. Further, when the dust box 11 is used, as shown in FIG. 21, the rear end edge 15e of the screw boss 15d can also serve to position the dust box 11 in the front-rear direction.

  As described above, according to the present embodiment, both sides in the dust collection chamber 12 are used as a biting prevention member for preventing the paper pack 10 from biting between the opening edge 16 of the dust collection chamber 12 and the dust collection lid 4. By providing a plurality of biting prevention ribs 17 that are formed on the wall along the opening edge 16 and project beyond the opening edge 16, the cleaner body 1 can be made more compact and slimmer in response to it. Even when the narrow dust collection chamber 12 is used with the paper pack 10 adapted to the wider dust collection chamber, the dust collection lid 4 is closed with a relatively simple configuration and low cost. Biting of the paper pack 10 can be reliably prevented.

  Further, when the dust collecting chamber 12 is used for both the paper pack type and the cyclone type as in this embodiment, the biting prevention rib 17 of the paper pack 10 and the positioning rib of the cyclone type dust box 11 are configured separately. The structure becomes complicated and hinders downsizing and slimming. On the other hand, in the present embodiment, the rib 17 as a biting prevention member of the paper pack 10 is configured to have the positioning function of the dust box 11, so that the dust collection for both the paper pack method and the cyclone method is used. The structure of the cleaner body 1 including the chamber 12 can be simplified, downsized, and slimmed.

  In addition, when the dust collection chamber 12 is used for both the paper pack system and the cyclone system, if the poka avoidance mechanism is configured with a plurality of parts that individually correspond to each, the cost of parts and assembly costs is increased and the space that constitutes the mechanism is reduced. It is necessary to ensure it, which hinders downsizing and slimming. On the other hand, in the present embodiment, a single pocket that prevents the dust collection lid 4 from closing the opening of the dust collection chamber 4 when neither the paper pack 10 nor the dust box 11 is installed in the dust collection chamber 12. By providing the avoidance mechanism, the number of parts and space of the avoidance mechanism in the vacuum cleaner main body 1 having the dust collecting chamber 12 for both the paper pack method and the cyclone method can be reduced, and the cost can be reduced and the size and size can be reduced. It becomes possible to plan.

  Further, as the single poka avoiding mechanism, the clamp button 20 that is rotated when the paper pack 10 is attached and detached and is associated with the poka avoiding rib 4a of the dust collecting lid 4 is also attached to the dust box 11 when the dust box 11 is attached and detached. The vacuum cleaner main body 1 provided with the dust collecting chamber 12 for both the paper pack type and the cyclone type is used without making the clamp button 20 effective and easy to use. Therefore, it is possible to reduce the number of parts and the space of the mechanism for avoiding the pockets, and it is possible to reduce the cost and reduce the size and the size.

  Further, since the left and right positioning mechanism of the mount 10a of the paper pack 10 is constituted by the side walls 15a and 15a in the dust collecting chamber 12 (dust collecting case 15), the left and right positioning in the dust collecting chamber 12 (dust collecting case 15) is achieved. Compared with the case where ribs are formed, the dust collecting case 15 can be reduced in size and slim without difficulty in terms of the mold structure, and thus the vacuum cleaner main body 1 can be reduced in size and slim.

  Further, the air inlet cover 21 and the dust collecting case 15 receive the hook catches 22a on the lower side of the filter fixture 22 that are detachably mounted on the air inlet cover 21 between the dust collecting chamber 12 and the electric blower chamber 13. Therefore, the slider for forming the undercut portion in the mold is not necessary, and the mold structure can be simplified.

  In addition, the screw boss 15d in the dust collecting chamber 12 (dust collecting case 15) is formed in a planar shape to prevent the paper pack 10 from being torn, and the dust box 11 is also positioned in the front-rear direction. At the same time, further simplification, downsizing and slimming of the structure can be realized.

The perspective view which shows the external appearance of the cleaner body in the vacuum cleaner of one Embodiment of this invention. The center longitudinal cross-sectional view. The perspective view which abbreviate | omitted and showed the dust collection cover in order to show the state at the time of using a paper pack in the said embodiment intelligibly. The perspective view which abbreviate | omitted and showed the dust collection cover in order to show the state at the time of using a dust box similarly. The perspective view of the said dust box. The perspective view of a dust collection case. The figure which shows the effect | action of the poka avoidance mechanism when neither a paper pack nor a dust box is attached in the dust collection chamber. The figure which shows the effect | action of the poka avoidance mechanism when the paper pack is mounted | worn in a dust collection chamber. The figure which shows the effect | action of the poka avoidance mechanism when attaching a dust box in a dust collection chamber. Similarly, the figure which shows the effect | action of the poka avoidance mechanism when attaching a dust box in a dust collection chamber. Similarly, the figure which shows the effect | action of the poka avoidance mechanism when attaching a dust box in a dust collection chamber. Similarly, the figure which shows the effect | action of the poka avoidance mechanism in the state in which the dust box was mounted | worn in the dust collection chamber. Similarly, the figure which shows the effect | action of the poka avoidance mechanism in the state in which the dust box was mounted | worn in the dust collection chamber. Similarly, the figure which shows the effect | action of the poka avoidance mechanism in the state in which the dust box was mounted | worn in the dust collection chamber. The top view which shows the state by which the paper pack was mounted | worn in the dust collection chamber (dust collection case). Similarly, the longitudinal cross-sectional view which shows the state by which the base_sheet | mounting_paper of the paper pack is positioned by the both side walls. Similarly, the cross-sectional view showing a state where the mount of the paper pack is positioned left and right by both side walls. The longitudinal cross-sectional view which shows the nail | claw receiving structure of the latching claw of a filter fixture. The top view which shows the screw boss structure of a dust collection chamber (dust collection case) bottom part. The figure which shows the effect | action of a paper pack tear prevention with the said screw boss structure. The figure which similarly shows the effect | action of the front-back direction positioning of a dust box by the said screw boss structure.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner main body 2 Lower case 3 Upper case 4 Dust collection cover 4a Poka avoidance rib 5 Insert 6 Front cover 9 Handle 10 Paper pack 10a Mount 11 Dust box 12 Dust collection chamber 15 Dust collection case 15a Side wall (left-right positioning mechanism)
15b Stepped portion 15d Screw boss 16 Opening edge 17 Biting prevention rib 18 Suction port 19 Packing 20 Clamp button 20a Clamp hook 21 Air inlet cover 22 Filter fixture 22a Locking claw 23 Claw receiving recess

Claims (7)

In a vacuum cleaner that includes a dust collection chamber in which a dust collection paper pack can be mounted, and the opening of the dust collection chamber is hermetically sealed with a dust collection lid
An electric vacuum cleaner comprising a biting prevention member that protrudes from an opening edge of the dust collecting chamber and prevents the paper pack from biting between the opening edge and the dust collecting lid.   2. The electric vacuum cleaner according to claim 1, wherein the biting prevention member is formed of a plurality of ribs that are formed on both side walls of the dust collection chamber along the opening edge and project beyond the opening edge.   The dust collection chamber is configured so that a cyclone type dust box can be mounted instead of the dust collection paper pack, and the biting prevention member also has a positioning function of the dust box. The electric vacuum cleaner according to claim 2.   The dust collection chamber is configured so that a cyclone type dust box can be mounted in place of the dust collection paper pack, and the dust collection chamber when the dust collection paper pack and the dust box are not mounted in the dust collection chamber. The electric vacuum cleaner according to any one of claims 1 to 3, further comprising a single mechanism for preventing the dust collection chamber opening from being closed by the lid.   As the single mechanism, the clamp button that is rotated when the dust collecting paper pack is attached / detached and that is associated with the dust collecting lid is rotated almost similarly while contacting the dust box even when the dust box is attached / detached. The vacuum cleaner according to claim 4, wherein the vacuum cleaner is configured as described above.   The vacuum cleaner according to any one of claims 1 to 5, wherein a left-right positioning mechanism of the mount for mounting the dust-collecting sheet pack is configured by both side walls in the dust-collecting chamber. The dust collection chamber is formed by a dust collection case mounted on the lower case of the vacuum cleaner body, and the left and right positioning mechanism of the mount for mounting the dust collection paper pack is configured by both side walls in the dust collection case. The electric vacuum cleaner according to claim 6.

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