JP2013135785A - Dust collection bag and vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a dust collection bag that is easy to fold and open, and has a large dust collection capacity.SOLUTION: The dust collection bag includes: a mouth core 14 having a suction mouth 17 from which dust flows in; a bag body 16 mounted to the mouth core 14, and for collecting the dust flowed in from the suction mouth 17; and a plurality of frames 15 disposed at substantially equal intervals around an entire periphery of the bag body 16. The entire periphery of the bag body 16 can be folded evenly because the bag body 16 between the frames 15 is freely foldable, and meanwhile, the bag body can expand when dust has been collected therein.

Description

  The present invention relates to a dust collection bag used for a vacuum cleaner and the like, and a vacuum cleaner using the same.

  As a dust bag used in a conventional vacuum cleaner or the like, there is a dust bag as shown in FIG. 7 (see, for example, Patent Document 1). FIG. 7 is a cross-sectional view of a conventional dust collection bag described in Patent Document 1.

  In FIG. 7, the conventional dust bag 6 includes a mouth core 14, a front bellows 18 having a shallow folding size, and a rear bellows 19 having a deep folding size. L1 is the vertical width of the wick 14, L6 is the dimension of the suction port 17 provided in the center of the wick 14, L2 is the opening dimension of the wick 14 that opposes L6, and L5 is the vertical dimension of the dust bag 6. The maximum fold-out outer dimensions, L3 and L4, are the fold dimensions of the shaft.

  According to the above conventional dust bag, it can be attached to the dust collectors of various vacuum cleaner bodies with different dimensions, shapes, and mounting methods in order to reduce the size of the vacuum cleaner body and to share parts (dust bag). In order to prevent a difference in dust collection performance, the expansion area is the same, and the folding state is made smaller, that is, the number of folding folds is increased. In addition, by shifting the fold-in dimensions of the folds so that the bellows-like folded portions do not overlap, the seal folds at both ends are prevented from spreading due to bulky hardening even if a plurality of bellows-like folds are provided and spread easily. It is said that there is an effect of eliminating the occurrence of dust leakage from the stepped portion of the both-end seal folding portion due to variation in the attaching operation.

JP-A-8-038406

  However, in the conventional dust bag as described in Patent Document 1, the upper and lower sides of the dust bag can be woven in a bellows shape, but the left and right sides are referred to. It was difficult to fold the bellows neatly, and as a result, the spread when dust was collected was poor.

  The present invention solves the above-described conventional problems, and an object thereof is to provide a dust collection bag that is not bulky even in a folded state and easily spreads during collection, and a vacuum cleaner using the dust collection bag.

  In order to solve the above-described conventional problems, a dust collection bag of the present invention includes a wick having a suction port through which dust flows in, and a bag body attached to the wick and collecting dust flowing in from the suction port. And with a plurality of frame bodies arranged at substantially equal intervals around the entire circumference of the bag body, the bag body between the frame bodies is freely folded, the entire circumference of the bag body is folded evenly, Conversely, the expansibility when dust is collected is improved.

  Moreover, the vacuum cleaner of this invention is equipped with the dust collection bag of any one of Claims 1-4, and a dust collection bag is easy to spread in the dust collection chamber of a vacuum cleaner main body, and is high. An electric vacuum cleaner having a dust collection volume can be provided.

  The dust bag of the present invention has a compact thickness when folded, and has excellent spreadability when collected. By using it in a vacuum cleaner, a vacuum cleaner with excellent dust collection performance is provided. it can.

Sectional drawing of the vacuum cleaner main body of the vacuum cleaner with which the dust bag in Embodiment 1 of this invention was attached (A) Side view of the dust bag, (b) Front view as seen from the direction in which dust enters the dust bag (A) The side view which shows the state which folded the dust collection bag, (b) The front view of the dust collection bag (A) Side view of the dust bag in Embodiment 2 of the present invention, (b) Front view of the dust bag (A) Side view when the dust bag is folded, (b) Front view when the dust bag is folded (A) Side view of dust bag in Embodiment 3 of the present invention, (b) Front view of the dust bag Cross section of conventional dust bag

  According to a first aspect of the present invention, there is provided a wick having a suction port through which dust flows, a bag body attached to the wick and collecting dust flowing from the suction port, and substantially equidistant around the entire circumference of the bag body. It is equipped with a plurality of frames, and the bag between the frames can be folded freely, so that the entire circumference of the bag is folded evenly, and conversely, when dust is collected The nature will also improve.

  In particular, the second invention is the dust collection bag of the first invention, in which a plurality of frames of at least two kinds of sizes are arranged. It becomes possible to fold compactly.

  In the third invention, in particular, the frame body of the first or second invention is arranged inside the bag body, and when the dust bag spreads, the frame body is caught on the inside of the dust collection chamber of the electric vacuum cleaner. It spreads smoothly and can be simplified because a bag-like body may be attached to the outer periphery of the frame body.

  In the fourth invention, in particular, the frame body of the first or second invention is arranged on the outer periphery of the bag body, and the bag body is supported from the outside by the frame body even when the dust is full. For this reason, the bag body and the frame body are not separated from each other, and the bag body is hardly broken.

  A vacuum cleaner according to a fifth aspect of the present invention is provided with the dust bag according to any one of claims 1 to 4, and the dust bag is likely to spread in the dust chamber of the cleaner body. A vacuum cleaner with a high dust collection volume can be provided.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
The dust bag and the electric vacuum cleaner in Embodiment 1 of this invention are demonstrated using FIGS. FIG. 1 is a cross-sectional view of a vacuum cleaner body of a vacuum cleaner to which a dust bag is attached according to the present embodiment, FIG. 2 (a) is a side view of the dust bag, and FIG. 2 (b) is the same. It is the front view seen from the direction in which the dust of a dust bag enters. In addition, the same code | symbol is attached | subjected about the same component as the said conventional dust bag, and the description is abbreviate | omitted.

  In FIG. 1, a vacuum cleaner body 1 of a vacuum cleaner equipped with a dust bag 6 in the present embodiment includes a dust collection chamber 2 for collecting dust and an electric blower chamber 4 for storing an electric blower 3 for generating suction force. The space is divided by a partition wall 5 having a communication hole (not shown), and the dust collection bag 6 is provided in the dust collection chamber 2 and the electric blower 3 is provided in the electric blower chamber 4. The partition walls 5 are airtightly arranged via support rubbers 7, respectively.

  A cord reel 9 for storing a cord 8 for supplying electric power to the cleaner body 1 is provided at the rear of the electric blower 3, and a lattice 10 for releasing the exhaust from the electric blower 3 to the outside is provided behind the cord reel 9. The exhaust filter 11 is provided in the front stage.

  A hose 12 is connected to the front of the vacuum cleaner main body 1, and the insertion port tip 13 of the hose 12 is inserted to the vicinity of the core 14 provided in the dust bag 6. .

  In FIG. 2, a broken line indicates a plurality of frames 15 formed by connecting both ends of a thin rod-like rod, and a bag 16 made of paper or cloth covers the outside. The frame body 15 is adhered.

  The frame body 15 is elastic to some extent, and its shape is not easily lost. Reference numeral 14 denotes a wick made of cardboard or the like, and the opening 16 a of the bag body 16 is bonded to the wick 14. A suction port 17 for sucking dust is provided in the center of the wick 14.

  In the present embodiment, as shown in FIG. 2B, the plurality of frame bodies 15 are all formed in the same shape. 3A is a side view when the dust bag 6 is folded according to the present embodiment, and FIG. 3B is a front view of the dust bag 6 in a folded state.

  When the frame bodies 15 arranged at substantially equal intervals in the front-rear direction of the dust collection bag 6 are close to each other, the bag body 16 between the frame bodies 15 is neatly folded like a lantern, and the width dimension of the frame bodies 15 is almost equal It is shortened to L7. Normally, the state shown in FIG. 3A is an initial state as the dust bag 6, and is also a state where the customer is stored in the dust chamber 2 when the customer purchases the electric vacuum cleaner.

  When the electric blower 3 is operated and dust is sucked in the configuration as described above, the dust collection bag 6 folded in the state of FIG. 3A reaches the state of FIG. Open and collect dust. Even when the dust bag 6 is opened, since the interval between the frame bodies 15 is relatively narrow, the folding margin of the bag body 16 between them is shallow and easy to open.

  As described above, according to the present embodiment, the dust collection bag 6 is configured by covering the bag body 16 with the frame body 15 arranged at equal intervals, thereby providing the dust collection bag 6 that is easy to fold and easy to open. A vacuum cleaner with high dust collection capacity and high convenience can be realized.

(Embodiment 2)
The dust collection bag in Embodiment 2 of this invention is demonstrated using FIG. 4, FIG. Fig.4 (a) is a side view of the dust bag in this Embodiment, FIG.4 (b) is a front view of the dust bag. In addition, the same code | symbol is attached | subjected about the same component as the dust bag in the said Embodiment 1, and the description is abbreviate | omitted.

  In the dust bag 6 in the present embodiment, as shown in FIG. 4, the sizes of the plurality of frames 15 are different. In the present embodiment, the frame body 15 is the largest at the central portion of the bag body 16 and becomes smaller toward both ends.

  Further, as shown in FIG. 4 (b), not only in the vertical direction but also in the left and right, the entire frame 15 is enlarged and reduced.

  FIG. 5A is a side view when the dust bag 6 is folded, and FIG. 5B is a front view when the dust bag 6 is folded. When the frame bodies 15 arranged at equal intervals approach each other, the bag body 16 between the frame bodies 15 is neatly folded like a lantern and is shortened to the width dimension L8.

  This is a size smaller than L7 in FIG. 3A shown in the first embodiment. In the present embodiment, since the sizes of the frame bodies 15 are not all the same, the small frame body 15 is housed in the large frame body 15 and can be folded more compactly. Normally, the state shown in FIG. 5A is an initial state as the dust bag 6 and is very convenient when the dust bag 6 is sold alone. Further, when the customer replaces the dust bag 6, the smaller width dimension is easier to do.

  When the electric blower 3 is operated and dust is sucked, the dust bag 6 folded in the state of FIG. 5A opens to the state of FIG. 4A and collects the dust. When the size of the frame 15 is close to the shape of the inner surface of the dust collection chamber 2 of the vacuum cleaner, the empty space in the dust collection chamber 2 is reduced, and a higher dust collection volume can be obtained.

  As described above, according to the present embodiment, by changing the size of the plurality of frames 15 of the dust bag 6, it can be folded more compactly, and the dust collection capacity can be increased depending on the size setting. Therefore, a dust bag and a vacuum cleaner that are highly convenient can be realized.

(Embodiment 3)
Fig.6 (a) is a side view of the dust bag in Embodiment 3 of this invention, FIG.6 (b) is a front view of the dust bag. In addition, the same code | symbol is attached | subjected about the same component as the dust bag in the said Embodiment 1, 2, and the description is abbreviate | omitted.

  The dust collection bag in the present embodiment has a plurality of frame bodies 15 arranged outside the bag body 16 as shown in FIG. Further, the sizes of the frame bodies 15 are different, being largest at the central portion of the bag body 16 and decreasing toward both ends. Furthermore, as shown in FIG. 6B, the same applies to the left and right as well as the vertical direction, and the entire frame 15 is enlarged and reduced.

  Thus, since the frame body 15 is arranged on the outer side of the bag body 16 and the bag body 16 is supported by the frame body 15 from the outside, the bag body 16 and the frame body 15 are not separated from each other. The body 16 is hard to tear.

  As described above, according to the present embodiment, by arranging the plurality of frames 15 of the dust bag 6 on the outside of the bag body 16, the dust bag 6 that is not easily torn can be realized, and highly convenient electric cleaning. The machine can be realized.

  The dust bag according to the present invention is not bulky even in a folded state and is easy to spread at the time of collection, and can be widely applied to a vacuum cleaner.

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner body 2 Dust collection chamber 3 Electric blower 4 Electric blower chamber 5 Bulkhead 6 Dust collection bag 7 Support rubber 8 Cord 9 Cord reel 10 Grid 11 Exhaust filter 12 Hose 13 Insertion tip 14 Core 15 Frame body 16 Bag body 17 Suction port 18 Front bellows 19 Rear bellows

Claims (5)

A wick having a suction port through which dust flows in, a bag body attached to the wick and collecting dust flowing in from the suction port, and a plurality of disposed at substantially equal intervals around the entire circumference of the bag body A dust bag with a frame. The dust collection bag according to claim 1, wherein a plurality of frames having at least two sizes are arranged. The dust bag according to claim 1 or 2, wherein the frame is disposed inside the bag. The dust bag according to claim 1 or 2, wherein the frame is disposed on the outer periphery of the bag. The vacuum cleaner provided with the dust collection bag of any one of Claims 1-4.

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