JP4421623B2 - Dust collecting bag shielding unit for electric vacuum cleaner and dust collecting bag for electric dust collector - Google Patents

Description

  The present invention relates to a shielding unit that shields a dust introduction port of a dust collection bag used in a general household vacuum cleaner, and a dust collection bag for a vacuum cleaner to which the shielding unit is attached.

Conventionally, in this type of vacuum cleaner dust bag, when a dust bag filled with dust is taken out of the vacuum cleaner's dust chamber and discarded, dust is collected from the dust inlet of the dust bag support plate. In order to prevent leakage of the dust, there is one in which the dust inlet is closed with a shielding plate that shields the dust inlet. The shield plate is formed by folding a sheet, and has a first opening that can communicate with the dust inlet of the support plate of the dust bag, and has one of the borders on the folding line of the sheet. A fixed piece provided on the other side of the folding line, having a shielding part on the side close to the fixed piece and having a second opening on the side away from the fixed piece, A slidable shielding piece, and a folded piece provided on the fixed piece having a third opening and perpendicular to the shielding piece, the folded piece and the fixed piece The shielding piece is housed in a storage portion formed in a cylindrical shape or a substantially U-shaped cross section, and the outer surface of the folded piece is fixed to a support plate of a dust collection bag. When taking out the dust bag, the shielding piece is pulled out from the storage portion, and the first By closing the second, third opening in the shielding unit, which was to close the dust inlet of the support plate of the dust bag it is known (for example, see Patent Document 1)
Japanese Patent No. 277038

  However, the shielding plate of the conventional dust bag for a vacuum cleaner is configured so that the sheet itself constituting it is strong against breakage, but the sheet is thin and soft and has a considerably low rigidity. Even if the storage part that is formed of a piece and a folded piece and stores the shielding piece is formed in a cylindrical shape or a U-shaped cross-section, the upper and lower parts are opened, and the support part of the dust collection bag Until it is attached, the overall shape retention is poor and it tends to deform. For this reason, it is difficult to handle and the work of attaching to the support plate of the dust bag is troublesome, and the lower part of the shielding piece protrudes outward from the storage part, so when attaching the dust bag to the vacuum cleaner The lower part of the shielding piece may get in the way. Further, since the folded piece is attached to the support plate of the dust bag and the fixed piece having the shielding piece is in a free state with respect to the support plate, There is a possibility that the lower side of the support plate is separated from the support plate and the dust inlet of the support plate is not completely closed. Further, the shielding plate is presupposed to be marketed by being attached to a dust bag, and as described above, since it is easily deformed, packaging and the like cannot be easily performed, and the product itself can be distributed as a single product. There is dissatisfaction such as being impossible.

  The present invention has been made in view of the above circumstances, can sufficiently ensure shape retention, can be distributed as a single product, and can be easily attached to a dust bag. An object of the present invention is to provide a dust collecting bag shielding unit for a vacuum cleaner and a dust collecting bag for a vacuum cleaner to which the shielding unit is attached.

In order to solve the above problems, the present invention has the following configuration.
That is, the shielding unit for the vacuum cleaner dust collection bag according to claim 1 includes a rectangular fixed piece having a first opening that can communicate with the dust inlet of the cover of the vacuum cleaner dust bag. A cover piece having a second opening connected to one side of the fixed piece via a first folding line and communicating with the first opening, and another side perpendicular to the one side of the fixed piece. A shielding portion which is connected via a second folding line and which can close the first opening on a side close to the second folding line; A sheet including a rectangular shielding piece having an operation portion provided with a third opening that can communicate with one opening is folded back along each of the folding lines, and three sheets are formed by the fixing piece and the cover piece. It is formed in a bag shape with the sides closed, and the shielding piece is stored in the storage part inside the bag,蔽片, said after the shielding portion is folded back to the inside of the fixed piece in the second folding line, fixing piece away from said second sequentially toward the side approaching from the side fold line parallel to the third The operation part is provided so as to be along the fixed piece after being alternately folded back and forth by a folding line several times in the front and back direction , the folded part is located along the inside of the other side of the fixed piece, and the operation part is The third opening is aligned with the position of the first opening, and the handle is provided in a state in which a knob provided at the end opposite to the folded portion protrudes outward from the open side of the storage. The cover piece is folded back to the inside of the fixed piece by a first folding line, and an adhesive margin provided outside the side opposite to the first folding line is the fixed piece. Glued to the outer surface of the side opposite to the first fold line Rutotomoni, the side edges opposed to another side of the fixed piece, said bonded to the marginal provided on the outer surface of the first folded portion of the folded portion of the shielding portion, the operating portion via the knob portion It is characterized in that the first opening can be closed by the shielding part by pulling out the container from the storage part.

A shielding unit for a dust bag for a vacuum cleaner according to claim 2 includes a rectangular fixed piece having a first opening that can communicate with a dust inlet of a cover of the dust bag for a vacuum cleaner, A cover piece connected to one side of the fixed piece via a first folding line and having a second opening that can communicate with the first opening, and a second piece on the other side perpendicular to the one side of the fixed piece. A shielding portion capable of closing the first opening on a side close to the second folding line, and having the first opening on a side away from the second folding line. A sheet provided with a rectangular shielding piece having an operation part provided with a third opening that can communicate with the opening is folded back at each folding line, and three sides are formed by the fixing piece and the cover piece. It is formed in a closed bag shape, and the shielding piece is accommodated in a storage portion inside the bag, The shielding portion is folded back to the inside of the fixed piece by the second folding line, and then alternately in the front and back direction by a third folding line parallel to the second folding line in order toward the side away from the fixed piece. The operation portion is provided along the cover piece after being folded back, and the folded portion is positioned along the inner side of the other side of the fixed piece, and the operation portion has the third opening portion The knob is accommodated in the accommodating portion in a state where a knob portion which is aligned with the position of the first opening and is provided at the end opposite to the folded portion protrudes outward from the open side of the accommodating portion, The piece is folded back to the inside of the fixed piece by the first folding line, and the glue margin provided on the outside of the side opposite to the first folding line is opposite to the first folding line in the fixed piece. And the fixing piece The gluing margin provided on the side opposite to the other side is adhered to the outer surface of the other side of the fixed piece, and the operation unit is pulled out from the storage unit through the knob, thereby blocking the shielding. The first opening can be closed by a portion .

The shielding unit of the dust bag for a vacuum cleaner according to claim 3 is the shielding unit according to claim 2 , wherein the operation part of the shielding piece is thick and the connection side part with the shielding part is connected to the shielding part. A recess is formed to accommodate the folded portion.

The shielding unit of the dust bag for a vacuum cleaner according to claim 4 is the shielding unit according to any one of claims 1 to 3 , wherein the shielding part of the shielding piece is connected to the fixed piece and a cover. It is characterized in that the width of at least one of the connecting portions with the piece is smaller than the width of the operating portion.

The shielding unit of the dust bag for a vacuum cleaner according to claim 5 is the shielding unit according to any one of claims 1 to 4 , wherein the inner peripheral portion of the third opening in the operation portion of the shielding piece is A cut line having a predetermined length is provided on the shield portion side on a diameter line along a direction in which the operation portion is pulled out from the storage portion.

The shielding unit of the dust bag for a vacuum cleaner according to claim 6 is the shielding unit according to any one of claims 1 to 5 , wherein a double-sided adhesive is applied to an outer surface of the fixed piece, It is characterized in that a sealing film is stuck on the exposed surface side.

According to a seventh aspect of the present invention, there is provided a dust collecting bag for a vacuum cleaner, wherein the shielding unit according to any one of the first to sixth aspects has the first, second, and third openings as dust inlets of a dust bag cover. It is connected, The outer surface of the said fixing piece is adhere | attached and attached to the front surface of the said cover, It is characterized by the above-mentioned.

The present invention has the following excellent effects.
That is, according to the shielding unit for the vacuum cleaner dust collecting bag according to claim 1 and claim 2 , the fixed piece and the cover piece are combined and the three sides are closed to store the shielding portion and the operation portion. Since it is formed in a bag shape, it is possible to increase the rigidity of the shielding unit as a whole to ensure sufficient shape retention, and to handle and package it easily and distribute it as a single product. And can be easily attached to the dust bag.

In addition , the fixed piece and the cover piece are joined by a pair of glue margins provided on the fixed piece and the cover piece, or a pair of glue margins provided on the cover piece, and the three sides are closed to operate the shielding unit. The bag-shaped shielding unit for storing the portion can be formed firmly.

According to the shielding unit for a dust bag for a vacuum cleaner according to claim 3 , since the folded portion of the shielding portion is accommodated in the recess of the operation portion, the folded portion is fixed to the cover and the cover by the overlapping thickness. The first opening can be quickly closed by smoothly pulling the folded portion out of the recess following the pulling of the operation portion without being pressed by the piece.

According to the shielding unit for the dust bag for a vacuum cleaner according to claim 4 , when the operation portion is pulled out from the storage portion and the first opening of the fixed piece is closed by the shielding portion, the folding portion of the shielding portion Since the individual folded portions can be unfolded in order and can be pulled out following the operation portion, the operation portion can be smoothly pulled out of the storage portion and the first opening can be quickly closed.

According to the shielding unit for the dust bag for a vacuum cleaner according to claim 5 , when the operation part is pulled out from the storage part and the first opening of the fixed piece is closed by the shielding part, the second of the operation part It is possible to prevent a phenomenon in which the periphery of the opening is deformed to enter the first opening and hinder the smooth pulling out of the operation unit.

According to the dust bag shielding unit for a vacuum cleaner according to claim 6 , the sealing film is peeled off from the back surface of the fixed piece, and the fixed plate is adhered to the back surface of the dust collecting bag without a commercially available shield plate. By adhering to the base paper, the dust bag without the shielding plate can be easily converted into a dust bag for an electric vacuum cleaner with a shielding plate and used.

According to the dust bag shielding unit for a vacuum cleaner according to claim 7 , since the shielding unit can be attached to the dust bag in a state in which the shape retaining property is well secured, its mounting work is easy. It is possible to provide a dust collection bag for an electric vacuum cleaner that can be accurately and accurately closed, and that can reliably close the dust inlet of the dust collection bag by the shielding portion of the operation piece.

Hereinafter, a shielding unit for a dust bag for a vacuum cleaner according to an embodiment of the present invention will be described with reference to the accompanying drawings.
1 to 5 show a shielding unit 1 for a dust bag for a vacuum cleaner according to a first embodiment of the present invention. This vacuum cleaner dust bag shielding unit 1 folds a sheet-like sheet S (see FIG. 4) manufactured by combining synthetic fibers, synthetic resins, and the like, with a plurality of folding lines s, Formed in a rectangular bag shape in front view with the three sides closed, and provided with first and second openings 2a, 3a penetrating the fixed piece 2 on the back side and the cover piece 3 on the front side at the center, A shielding piece 4 capable of blocking communication between the openings 2a and 3a is housed in the bag-like inner housing 1a.

  That is, as shown in FIG. 4, the sheet S has a first opening 2a that communicates with the dust introduction port p2 of the cover p1 of the vacuum cleaner dust collection bag P (see FIGS. 6 and 7). The rectangular fixed piece 2 is connected to the fixed piece 2 with one side y (left side in FIG. 4) of the fixed piece 2 as a first folding line s1, and is connected to the first opening 2a. The rectangular cover piece 3 having the opening 3a and the other side x (lower side in FIG. 4) perpendicular to one side y of the fixed piece 2 are connected to the fixed piece 2 as a second folding line s2, A shielding part 5 capable of closing the first opening 2a is provided on the side close to the second folding line s2, and a first part 2a that can communicate with the first opening 2a on the side remote from the folding line s2. 4 having the operation portion 6 provided with three openings 6a and the rectangular shielding piece 4 which is long in the vertical direction in FIG.

On the side of the cover piece 3 opposite to the first fold line s1 (left side in FIG. 4), a margin 3b having the adhesive surface 3b1 on the surface side of the paper surface in FIG. 4 is in front of the paper surface at the wrap line s4. It is provided on the side so that it can be folded.
Further, the shielding piece 4 has the shielding portion 5 folded alternately (zigzag) a plurality of times in the front and back directions by a plurality of third folding lines s3 (s3a to s3f) parallel to the second folding line s2. The folded portion 5a is positioned along the inner side of the other side x of the fixed piece 2 (the front side of the paper in FIG. 4, the lower side in FIG. 2, the left side in FIG. 3), and the operation unit 6 is The third opening 6a can be adjusted to the position of the first opening 2a, and the center of the third opening 6a is located along the end side opposite to the folded portion 5a (lower side in FIG. 4). A knob portion 6b is provided protruding from the outer portion (lower side in FIG. 4).

  The width of the shielding piece 4 (the length in the other side x direction of the fixed piece 2, the dimension in the left-right direction in FIG. 4) is set slightly smaller than the length of the other side x. When the first folding line s1 is folded back to the fixed piece 2 side, the glue margin 3b is bonded to the back surface (outer surface) of the fixed piece 2 and the fixed piece 2 and the cover piece 3 are formed into a cylindrical shape, The shielding piece 4 folded back to the fixed piece 2 side by the second folding line s2 can be easily inserted into the cylindrical portion. The first folded portion 5a1 between the second folded line s2 and the third folded line s3 in the folded portion 5a of the shielding portion 5 has the same width as the shielding piece 4 The dimension in the folding direction is set to be slightly larger than the distance between the folding lines s3a to s3f in the third folding line s3.

Further, the width of the folded portion 5a is narrower on the start line s3a side of the third folded line s3, gradually increases toward the end line s3f, and becomes the same width as the shielding piece 4 at the end s3f. Thus, both edges of the folded portion 5a are inclined symmetrically about the center line of the shielding piece 4 in the width direction.
In addition, a cut line 6c having a predetermined length is formed on the inner peripheral portion of the third opening 6a of the operation portion 6, and a center line in the width direction of the shielding piece 4 (the operation portion 6 is separated from the storage portion 1a). On the diameter line along the pulling-out direction), it is located on the shielding part 5 side.
In addition, the other side (back side) of the first folded portion 5a1 in FIG. 4 is a predetermined line along the side x1 (lower side in FIG. 4) on the extension of the other side x of the fixed piece 2 in the cover piece 3. It is used as a margin for bonding the height portion 3x.

  Next, in order to form the shielding unit 1 from the sheet S, first, the shielding piece 4 in the unfolded sheet S as shown in FIG. 4 is replaced with the second folding line s2 as shown in FIG. And then folded back to the front side (inner side) of the fixed piece 2 and then folded back in the opposite direction to the start line s3a of the third folding line s3. Sequentially, each folded line s3b-3e is folded back (zigzag) until it reaches the terminal line s3f of the third folded line s3 to form a folded part 5a, and the folded part 5a is the first folded part. 5a1 is located on the side away from the fixed piece 2, is folded in order toward the side closer to the fixed piece 2, and is in a state along the other side x of the fixed piece 2 (the lower side in FIG. 4), The operation unit 6 is fixed. Extending on opposite sides of the other side x of the fixed piece 2 along parallel to the second front side, a state where the knob portion 6b of the operation portion 6 is projected upward from the opposite sides. It should be noted that extremely thin perforations may be provided at the portions of the return lines s3a to s3f in the third return line s3 so that the return operation of the return part 5a can be easily performed.

  Next, while holding the above state, the cover piece 3 is folded back vertically toward the front side of the paper surface along the first fold line s1, and then folded back along the inner side of the fixed piece 2 so that the shielding is performed. Adhesive g is applied to the back side of the first folded part 5a1 of the part 5, and the lower side x1 of the cover piece 3 is adhered to the back side of the first folded part 5a1. After that, the adhesive g is applied to the adhesive surface 3b1 of the adhesive margin 3b of the cover piece 3, folded back to the back surface side of the fixed piece 2 along the folding line s4, and the adhesive margin 3b is adhered to the rear surface of the fixed piece 2. To do.

Thereby, as shown in FIGS. 1 to 3, the fixed piece 2 and the cover piece 3 are formed in a bag shape with their left and right sides and the three sides on the lower side x, x1 side being closed. The shield 5a folded on the bottom side is positioned on the part 1a, and the third opening 6a communicates with the first and second openings 2a and 3a of the fixed piece 2 and the cover piece 3. And a shielding unit 1 in which the shielding piece 4 is housed in such a manner that the operation portion 6 is placed along the inner surface of the fixed piece 2 and the knob portion 6b protrudes upward (outside) from the open side of the housing portion 1a. Is configured. Then, the first opening 2a can be closed by the shielding part 5 by pulling out the operation part 6 from the storage part 1a via the knob part 6b.
In addition, the shielding unit 1 configured as described above has a height dimension in the vertical direction and a width dimension in the horizontal direction in FIG. 1 that is suitable for any of the cover p1 of the dust collecting bag p for a commercial vacuum cleaner. It is set to a size that can be attached to.

As shown in FIGS. 6 and 7, the shielding unit 1 configured in this way has a first opening 2 a of the fixed piece 2 in the dust introduction port p <b> 2 of the cover paper p <b> 1 of the vacuum cleaner-like dust collection bag P. Are connected so that their centers coincide with each other, and the fixing piece 2 is attached to the front cover p1 by adhering the back surface thereof to the front face of the front cover p1.
In the vacuum cleaner dust collection bag P to which the shielding unit 1 is attached in this way, as shown in FIG. 6, the shielding unit 1 is in a state where the shielding piece 4 is housed in the housing portion 1a. Used in the dust collection chamber of the machine. At the time of mounting, the shielding unit 1 is formed in a bag shape with three sides closed, and the shielding piece 4 is completely housed in the housing portion 1a except for the knob portion 6b. Since the shielding piece 4 does not protrude like an obstacle below the shielding unit 1, it can be smoothly and surely attached to the dust collecting chamber without any trouble.

  When the dust bag P becomes full due to repeated use of an electric vacuum cleaner, the dust collection pipe projecting into the dust chamber and the dust collecting pipe P are removed before the dust bag P is taken out of the dust chamber. As shown in FIG. 7, with the state where the cover p1 and the dust introduction port p2 are disengaged, as shown in FIG. 7, the operating portion 6 of the shielding piece 4 is pulled out (drawn) from the storage portion 1a by grasping the knob portion 6b. ). As a result, the operating portion 6 is moved upward along the fixed piece 2 and the cover piece 3, and the folded portion 5 a of the shielding portion 5 is unfolded sequentially from the side in contact with the inner surface of the fixed piece 2. The first opening 2 a and the dust inlet p <b> 2 of the cover paper p <b> 1 are closed by the closing portion 5. Thus, after the dust inlet port p2 of the cover paper p1 is closed by the shielding part 5, the dust collected in the dust bag P is removed by removing the dust bag P from the dust collecting chamber of the vacuum cleaner. It is possible to reliably prevent leakage to the outside.

  As described above, the vacuum cleaner dust bag shielding unit 1 according to the first embodiment can communicate with the dust introduction port p2 of the cover p1 of the vacuum cleaner dust bag P. A rectangular fixed piece 2 having one opening 2a, and a second opening connected to one side y of the fixed piece 2 via a first folding line s1 and communicating with the first opening 2a. The cover piece 3 having the portion 3a is connected to the other side x perpendicular to the one side y of the fixed piece 2 via the second fold line s2, and the first fold line is closer to the second fold line s2. An operating portion 6 having a shielding portion 5 capable of closing the opening portion 2a and provided with a third opening portion 6a capable of communicating with the first opening portion 2a on the side away from the second folding line s2. A sheet S provided with a rectangular shielding piece 4 having It is formed in a bag shape with three sides closed by the piece 2 and the cover piece 3, and the shielding piece 4 is accommodated in the accommodating portion 1a on the inside thereof, and the shielding piece 4 is used to A plurality of folding lines 5a are folded back and forth by a third folding line s3 parallel to the second folding line s2, and the folded part 5a is positioned along the inner side of the other side x of the fixed piece 2; The third opening 6a is aligned with the position of the first opening 2a, and the knob 6b provided on the opposite end of the folded portion 5a is moved outward from the open side of the storage portion 1a. The first opening 2a is closed by the shielding part 5 by being pulled out and stored in the storage part 1a, and by pulling out the operation part 6 from the storage part 1a via the knob 6b. Configured to get.

Therefore, according to the shielding unit 1 of the vacuum cleaner dust bag according to the first embodiment, the fixing piece 2 and the cover piece 3 are provided with the fixing piece 2 by the pair of paste margins 3b and 5a1. Since the cover piece 3 is coupled and the three sides are closed, and the storage portion 1a for storing the shielding portion 5 and the operation portion 6 is formed in a bag shape inside, even if the sheet S forming the shielding unit 1 is thin , The rigidity can be increased as a whole, the shape retention can be sufficiently secured and the shielding unit 1 can be formed firmly, and the handling and packaging can be easily performed, and the shielding unit 1 can be used as a single product. While being able to distribute | circulate, the attachment to the dust bag P can also be performed easily.
And according to the vacuum cleaner dust-collecting bag P to which the shielding unit 1 is attached, the shielding unit 1 can be easily and accurately attached to the dust-collecting bag P in a state in which the shape retaining property is well secured. .
In addition, a shielding piece 4 is connected to the fixed piece 2 fixed to the cover p1 of the dust bag P, and the shielding piece 4 is firmly fixed to the bottom of the storage portion 1a by the fixed piece 2 and the cover piece 3. Therefore, there is no room for deformation of the fixed piece 2 and the cover piece 3 even if the shielding piece 4 is strongly pulled out from the storage portion 1a, and the dust collecting bag P of the shielding piece 4 by the shielding portion 5 of the shielding piece 4 is not damaged. The dust introduction port p2 of the cover paper p1 can be reliably closed.

  When distributing the shielding unit 1 as a single product, a state where a double-sided adhesive is applied to the back surface (outer surface) of the fixed piece 2 and a sealing film is attached to the exposed surface side of the double-sided adhesive As a configuration in which a plurality of shielding units 1 are packed together and packaged, the user takes out the shielding unit 1 from the packaging at the time of use, peels off the sealing film from the back surface of the fixing piece 2, and the fixing piece 2 By aligning the first opening 2a with the dust inlet P2 of the cover p1 of the dust collection bag P that is not commercially available with a shielding plate, and bonding it to the cover 2p with an exposed adhesive, the first opening 2a is not attached with the shielding plate. The dust bag P can be easily converted into a vacuum cleaner dust bag P with a shielding plate and used.

  Moreover, according to the shielding unit 1 of the dust bag for a vacuum cleaner according to the first embodiment, the shielding part 5 of the shielding piece 4 operates the width of the connecting part side with the fixed piece 2. Since the structure is formed to be smaller than the width of the portion 6, when the operating portion 6 is pulled out from the storage portion 1 a and the first opening 2 a of the fixed piece 2 is closed by the shielding portion 5, the shielding portion 5 is Since the individual folded portions can be unfolded in order from the folded portion 5a and pulled out following the operation portion 6, the operation portion 6 can be smoothly pulled out of the storage portion 1a to quickly open the first opening 2a. Can be closed.

  Further, on the inner peripheral portion of the third opening 6a in the operation portion 6 of the shielding piece 4, a cut line 6c having a predetermined length is on the diameter line along the direction in which the operation portion 6 is pulled out from the storage portion 1a. Since it is configured to be provided on the shielding part 5 side, when the operation part 6 is pulled upward by the knob part 6b, the operation part 6 is pulled out from the storage part 1a and the fixing part 2 is secured by the shielding part 5. When the first opening 2a is closed, the periphery of the third opening 6a of the operation portion 6 is deformed and enters the first opening 2a, so that the operation portion 6 can be smoothly moved from the storage portion 1a. It is possible to prevent a phenomenon that hinders the extraction.

  Next, FIG. 8, FIG. 9 shows the shielding unit 1A of the dust bag for vacuum cleaners concerning the 2nd Embodiment of this invention. As shown in FIG. 8, the shielding unit 1A has a lower side x1 of the cover piece 3 (on the side facing the other side x of the fixed piece 2 or on the extended line of the other side x) in a state where the sheet Sa is unfolded. And the shielding portion 5 in the shielding piece 4 connected to the other side x of the fixed piece 2 via the folding line s2 is provided with the width of the adhesive portion 3c. Both edges are inclined symmetrically so as to gradually become narrower from the position of the second fold line s2 to the position of the terminal line s3f of the third fold line s3. The width on the side 5 is gradually narrowed toward the end line s3f, so that both edges are inclined symmetrically and connected to the shield 5 at the position of the end line s3f. Since the other shape of the sheet Sa is the same as that of the sheet S, the same portions are denoted by the same reference numerals, and detailed description thereof will be omitted.

  When the bag-shaped shielding unit 1A is formed by the sheet Sa, as shown in FIG. 9, the shielding piece 4 is opposed to the inner side surface (the front side surface of the paper surface) of the fixed piece 2 at the second folding line s2. After folding back in this way, the folded portions 5a that are folded in order from the fixed piece 2 side toward the near side are sequentially folded by zigzag the shielding portions 5 along the third fold lines s3 (s3a to s3f). Then, the operation portion 6 of the shielding piece 4 is folded back at the end line s3f so as to be parallel to the inner side surface of the fixed piece 2 and raised upward. After that, the cover piece 3 is folded back to the fixed piece 2 side by a folding line s1 so that the folded portion 5a and the operation portion 6 are sandwiched between the fixed piece 2 and the margin 3b of the cover piece 3 is then attached. The adhesive piece 3 is adhered to the back surface of the fixed piece 2 and the adhesive surface 3c1 of the adhesive margin 3c of the lower side x1 of the cover piece 3 is connected to the other side x of the fixed piece 2 (the side on the second folding line s2 side). ) With the adhesive g.

As a result, the fixed piece 2 and the cover piece 3 are coupled and closed in three directions by the pair of glue margins 3b and 3c provided on the cover piece 3, and the shielding portion 5 and the operation portion 6 are accommodated. The bag-shaped shielding unit 1 provided with the storage portion 1a (see FIGS. 2 and 3) can be formed firmly.
Therefore, according to the shielding unit 1A for the vacuum cleaner dust collecting bag according to the second embodiment, the same action as the shielding unit 1 for the vacuum cleaner dust collecting bag according to the first embodiment is performed. , Can have an effect.

  Next, FIG. 10 shows the shielding unit 1B of the dust bag for a vacuum cleaner according to the third embodiment of the present invention. As shown in FIG. 10, the shielding unit 1B includes a shielding portion 5 in the shielding piece 4 connected to the other side x of the fixed piece 2 via a folding line s2 in a state where the sheet Sb is unfolded. A rectangular width is formed as a constant width narrower than the width of the operation portion 6 of the shielding piece 4, and the operation portion 6 is formed thicker than the fixed piece 2, the cover piece 3, and the shielding portion 5. A depth corresponding to the distance between the third folding lines s3a, s3b,... (Shielding piece 4) having a depth corresponding to the folded thickness of the folded portion 5a at the connecting portion with the shielding portion 5. A rectangular recess 6e having a width corresponding to the width 6 of the shielding part 5 is provided, and the end of the shielding part 5 on the operation part 6 side is inserted into the recess 6e. The structure is bonded to each other. The other shape of the sheet Sb is the same as that of the sheet Sa of the shielding unit 1A of the vacuum cleaner dust bag according to the second embodiment. Detailed description thereof will be omitted.

The shielding unit 1B of the dust bag for a vacuum cleaner according to this embodiment shows only a development view of the sheet Sb, but the folding line s1, s2 of the sheet Sb is similar to the sheet Sa of the shielding unit 1A. , S3, and the fixing piece 2 and the cover piece 3 are coupled by a pair of glue margins 3b and 3c provided on the cover piece 3, and the three sides are closed to house the shielding part 5 and the operation part 6 The bag-shaped shielding unit 1B provided with the storage portion 1a (see FIGS. 2 and 3) to be formed can be formed firmly.
Therefore, according to the shielding unit 1B for the vacuum cleaner dust collecting bag according to the third embodiment, the same action as the shielding unit 1A for the vacuum cleaner dust collecting bag according to the second embodiment is performed. Since the folded portion 5a of the shielding portion 5 is accommodated in the recess 6e of the operation portion 6, the folded portion 5a can be fixed to the fixed piece 2 and the cover piece 3 by the overlapping thickness. The folded portion 5a can be smoothly pulled out from the recess 6c following the pulling out of the operation portion 6 without being compressed by the first opening portion 2a.

In the shielding unit 1B, since the operating portion 6 of the shielding piece 4 is formed thick, the operating portion 6 is used when the operating portion 6 is pulled out from the storage portion 1a (see FIGS. 2 and 3). Is not deformed by the influence of the opening 6a, and therefore the cut line 6c provided in the inner peripheral portion of the third opening 6a in the shielding units 1 and 1A can be omitted.
Moreover, although the said shielding unit 1, 1A, 1B showed the example attached to the dust collection bag P for vacuum cleaners which do not have a seal valve in the dust introduction port p2 of the said cover paper p1, The present invention is not limited to this, and can also be applied to a vacuum cleaner dust collection bag P having a seal valve.

It is a front view which shows the shielding unit of the dust collecting bag for vacuum cleaners concerning the 1st Embodiment of this invention. It is also a plan view. FIG. 2 is a sectional view taken along the line II in FIG. 1. It is an expanded view of the sheet | seat for formation of the shielding unit of the dust-collecting bag for vacuum cleaners concerning the 1st Embodiment of this invention. It is explanatory drawing of the formation method of a shielding unit similarly. It is a perspective view which similarly shows the shielding unit (open state of a dust inlet) of the state attached to the dust bag for vacuum cleaners. It is a perspective view which similarly shows the shielding unit (closed state of a dust inlet) of the state attached to the dust bag for vacuum cleaners. It is an expanded view of the sheet | seat for formation of the shielding unit of the dust-collecting bag for vacuum cleaners concerning the 2nd Embodiment of this invention. It is explanatory drawing of the formation method of a shielding unit similarly. It is an expanded view of the sheet | seat for formation of the shielding unit of the dust-collecting bag for vacuum cleaners concerning the 3rd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,1A, 1B Shielding unit 2 Fixed piece 2a, 3a, 6a 1st, 2nd, 3rd opening part 3 Cover piece 3b, 3c Margin 4 Shielding piece 5 Shielding part 5a Folding part 6 Operation part 6b Knob part 6c Cut line 6e Recess S, Sa, Sb Sheet s1, s2, s3, s4, s5 Folding line

Claims (7)

A rectangular fixed piece having a first opening that can communicate with the dust inlet of the cover of the dust bag for a vacuum cleaner, and connected to one side of the fixed piece via a first folding line, A cover piece having a second opening that can communicate with the first opening is connected to the other side perpendicular to one side of the fixed piece via a second folding line, and is close to the second folding line An operating portion having a shielding portion capable of closing the first opening on the side, and a third opening capable of communicating with the first opening on the side away from the second folding line A sheet having a rectangular shielding piece having a rectangular shape is folded at each folding line and formed into a bag shape having three sides closed by the fixing piece and the cover piece, and the shielding is provided inside the storage portion. A shielding unit in which pieces are stored,
The shielding piece includes a third part that is parallel to the second folding line in order from the side away from the fixing piece to the approaching side after the shielding part is folded inside the fixing piece by the second folding line. The operation portion is provided so as to be along the fixed piece after being alternately folded back and forth in the front and back direction by a folding line, and the folded portion is positioned along the inside of the other side of the fixed piece. However, the third opening is aligned with the position of the first opening, and the knob provided on the end opposite to the folded portion protrudes outward from the open side of the storage portion. Stored in the storage section,
The cover piece is folded inside the fixed piece by a first fold line, and a margin provided on the outer side of the side opposite to the first fold line is a first fold line in the fixed piece. Adhered to the outer surface of the opposite side, and the side opposite to the other side of the fixed piece is adhered to the margin provided on the outer surface of the first folded part in the folded part of the shielding part ,
A dust collection bag for a vacuum cleaner, wherein the first opening can be closed by the shielding part by pulling out the operation part from the storage part via the knob. Shielding unit. A rectangular fixed piece having a first opening that can communicate with the dust inlet of the cover of the dust bag for a vacuum cleaner, and connected to one side of the fixed piece via a first folding line, A cover piece having a second opening that can communicate with the first opening is connected to the other side perpendicular to one side of the fixed piece via a second folding line, and is close to the second folding line An operating portion having a shielding portion capable of closing the first opening on the side, and a third opening capable of communicating with the first opening on the side away from the second folding line A sheet having a rectangular shielding piece having a rectangular shape is folded at each folding line and formed into a bag shape having three sides closed by the fixing piece and the cover piece, and the shielding is provided inside the storage portion. A shielding unit in which pieces are stored,
The shielding piece is turned upside down by a third folding line parallel to the second folding line in order toward the side away from the fixing piece after the shielding portion is folded inside the fixing piece by a second folding line. The operation portion is provided so as to be along the cover piece after being alternately folded back several times in the direction, and the turn-up portion is positioned along the inner side of the other side of the fixed piece. The opening is adjusted to the position of the first opening, and a knob provided at the end opposite to the folded portion is stored in the storage in a state of protruding outward from the open side of the storage. And
The cover piece is folded inside the fixed piece by a first fold line, and a margin provided on the outer side of the side opposite to the first fold line is a first fold line in the fixed piece. Adhered to the outer surface of the opposite side, and the glue margin provided on the opposite side of the fixed piece is bonded to the outer surface of the other side of the fixed piece,
A dust collection bag for a vacuum cleaner , wherein the first opening can be closed by the shielding part by pulling out the operation part from the storage part via the knob. Shielding unit. The vacuum cleaner collector according to claim 2 , wherein the operation portion of the shielding piece is thick, and a concave portion that accommodates the folded portion is formed in a connection side portion with the shielding portion. Dust bag shielding unit. The shielding part of the shielding piece is formed such that a width of at least one of the connection part with the fixed piece and the connection part with the cover piece is smaller than the width of the operation part. The shielding unit of the dust bag for vacuum cleaners in any one of Claims 1-3 . On the inner peripheral portion of the third opening portion of the operating portion of the shielding piece, a cut line having a predetermined length is positioned on the shielding portion side on a diameter line along a direction in which the operating portion is pulled out from the storage portion. The shielding unit for the dust bag for an electric vacuum cleaner according to any one of claims 1 to 4 , wherein the shielding unit is provided. The vacuum cleaner according to any one of claims 1 to 5 , wherein a double-sided adhesive is applied to an outer surface of the fixed piece, and a sealing film is attached to an exposed surface side of the adhesive. A dust bag shielding unit. Blocking unit according to claim 1 to 6 is, the first, second, communicates the third opening to the dust inlet mouth paper dust bag, the front of the mouth paper outer surface of said fixed piece A dust bag for a vacuum cleaner, which is attached to and attached to a vacuum cleaner.

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