JP2006006360A - Dust collecting bag and vacuum cleaner having the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dust collecting bag, when the dust collecting bag collecting the dust is disposed, preventing leakage of dust by shrinking the neck part of the dust collecting bag and to provide a vacuum cleaner having the same. <P>SOLUTION: This dust collecting bag F is provided with a dust collecting bag body 42 sucking the dust from the side of an opening 40 and a heat shrinkable member 43 in the dust collecting bag body 42. This dust collecting bag F is provided with the heat shrinkable member 43 adjacent to the opening 40 of the dust collecting bag body 42. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a dust bag that collects dust collected together with suction air and then facilitates disposal of the dust bag, and a vacuum cleaner that uses the dust bag.

  2. Description of the Related Art Conventionally, there is a vacuum cleaner in which a dust collection bag for collecting dust sucked from a suction port body is detachably provided in a dust collection chamber. The dust bag is composed of a mount (mouth frame) having an opening at the entrance and a dust bag main body attached to the mount.

Such dust bags tend to become larger year by year. However, when the dust bag becomes large, when the dust collected in the dust bag reaches a predetermined amount and the dust bag is disposed of, it is not easy to take out from the cleaner body. Therefore, a heat shrink member that shrinks by heating is integrally provided on the outer surface of the dust bag main body, and the dust bag is heated and compressed to reduce the size by heating the heat shrink member during disposal of the dust bag. It is known (see, for example, Patent Document 1).
JP-A-5-146384

  However, in a dust bag that heat-shrinks the dust bag main body, the dust bag main body becomes smaller by shrinking the heat shrink member and heating and compressing the dust bag main body. However, it was easy to take out the dust bag, but the opening of the dust bag remained open.

  For this reason, when taking out the dust bag from the main body of the vacuum cleaner, or when discarding the collected dust bag into the garbage bag, etc., dust spills out from the dust bag or fine dust rises and the surrounding air is swept away. There was a problem of fouling.

  The present invention provides a dust collection bag capable of contracting the neck portion of the dust collection bag and preventing dust from spilling when the dust collection bag in which dust is collected is disposed of, and a vacuum cleaner including the dust collection bag. It is for the purpose.

  The present invention has been made in view of the above circumstances, and the invention according to claim 1 comprises a dust bag main body for sucking dust from the opening side, and a heat shrink member provided on the dust bag main body. A dust bag is characterized in that a heat shrink member is provided in the vicinity of the opening of the dust bag body.

  According to the first aspect of the present invention, since the heat shrink member is provided in the vicinity of the opening of the dust bag main body, the dust bag main body should be disposed of with a predetermined amount of dust. Sometimes the heat shrink member of the dust bag main body is heated by a heating means so that the neck portion of the dust bag main body is shrunk so that the dust bag is taken out and taken out from the dust collecting chamber. It is possible to reliably prevent spillage of dust during the disposal of the dust bag and indoor contamination due to this. In addition, the dust bag can be easily taken out from the dust chamber.

  Hereinafter, a dust collecting bag according to the present invention and Example 1 of a vacuum cleaner provided with the dust collecting bag will be described with reference to the drawings.

  FIG. 1 is an external perspective view showing an example of a vacuum cleaner in which the dust bag of the present invention is used. A vacuum cleaner 10 shown in FIG. 1 includes a vacuum cleaner main body 11 and a dust collecting hose 12 having one end detachably connected to a hose connection port 21a at the front of the vacuum cleaner main body 11.

  An extension pipe 14 is detachably connected to the hand operation pipe 13 at the other end of the dust collecting hose 12, and a suction port body 15 is detachably connected to the tip of the extension pipe 14. In FIG. 1, reference numeral 13 a denotes an operation panel provided on the hand operation pipe 13.

  The operation panel 13a is provided with a switch S1 for switching “weak / medium” suction air volume, a switch S2 for “strong” suction air volume, a switch S3 for “cutting”, and the like.

  As shown in FIGS. 1 and 2, the cleaner body 11 includes a main body case 20 and a lid body 30 that is hinged to the upper portion of the main body case 20 and can be opened and closed in the vertical direction.

  A dust collection chamber 21 opened upward is formed in the front portion of the main body case 20. The dust collection chamber 21 communicates with a connection port 21 a of a dust collection hose 12 formed at the front portion of the main body case 20. An electric motor chamber 20A is formed at the rear portion of the main body case 20, and an electric blower 22 that applies suction negative pressure to the dust collection chamber 21 is disposed in the electric motor chamber 20A.

  Further, a pair of wheels 23 (the other is not shown) is provided on the rear side surface of the main body case 20, and a turning wheel SR is provided on the front bottom surface.

  In FIG. 2, a dust collection bag F such as a paper pack filter is mounted in the dust collection chamber 21, and the dust collection bag F is supplemented with dust sucked from the dust collection hose 12. Yes.

  The lid 30 is provided so as to cover the upper opening of the dust collection chamber 21. A handle 30 a is provided in front of the lid 30.

  Here, the dust bag F shown in FIG. 2 has a plate-shaped mount (mouth frame) 41 having an opening 40 in the center, and a dust bag main body 42 in which a neck portion 42a is integrally provided on the mount 41. is doing. The opening 40 is used to suck dust into the dust bag main body 42.

  A heat shrink member 43 is integrally provided around the neck portion 42 a of the dust bag main body 42. In the vicinity of the heat shrink member 43 and in the dust collecting chamber 21, a main body side heating unit 44 is disposed as a heating means for heating the heat shrink member 43. For example, a heater is used for the main body side heating unit 44.

  The heat shrinkable member 43 is made of a heat shrinkable member having a shrinkage rate of about 50%, such as vinyl chloride or polyester.

  FIG. 4A shows a block diagram for controlling the heating operation of the main body side heating unit 44.

  S4 indicates a dust collection bag processing switch operated by the user when the amount of dust in the dust collection bag main body 42 shown in FIG. 2 reaches a predetermined amount, and this operation signal is sent to the control device 45 having a CPU. Entered. The timer 46 starts measuring a certain time by an operation signal of the dust bag processing switch S4, and sends a signal to the control device 45 when the certain time has elapsed.

  The main body side heating unit 44 starts heating the heat shrinkable member 43 of the dust bag main body 42 shown in FIG. 2 by operating the dust bag processing switch S4. Further, the display lamp 47 notifies the user when the measurement by the timer 46 has passed a certain time, that is, when the dust collection bag F of the cleaner body 11 shown in FIG. 2 can be taken out. It is something to be made.

  Next, an operation of the dust bag configured as described above and a vacuum cleaner including the dust bag will be described.

  The electric blower 22 shown in FIG. 2 is driven by turning on the switch S1 or S2 provided on the hand operation pipe 13 shown in FIG. A suction negative pressure is generated by driving the electric blower 22, and a suction chamber (not shown) of the suction port body 15 through the dust collection chamber 21, the dust collection hose 12, the hand operation pipe 13 and the extension pipe 14 in FIG. 1. Suction negative pressure acts on the.

  Due to the suction negative pressure in the suction chamber, dust and air on the surface to be cleaned are sucked from the suction opening provided on the bottom surface of the suction port body 15, and are passed through the extension pipe 14, the hand operation pipe 13, and the dust collecting hose 12. 2 is sucked into the dust collection chamber 21 of the cleaner body 11 shown in FIG.

  The dust sucked into the dust collecting chamber 21 is collected in the dust bag main body 42 of the dust collecting bag F disposed in the dust collecting chamber 21, and the air that has passed through the dust collecting bag main body 42 at this time is the electric blower 22. Then, the air is exhausted from an exhaust hole (not shown) of the cleaner body 11.

  By repeating the dust collecting action by the electric vacuum cleaner 10 (see FIG. 1), dust is gradually accumulated in the dust bag main body 42 of FIG. The amount of dust in the dust bag main body 42 can be obtained by detecting the air density of the suction surface 22B on the front side of the suction opening 22A of the electric blower 22 and, for example, dust provided in the cleaner body 11 It is displayed by a quantity display means (not shown).

  When the dust amount reaches a predetermined amount and is clogged, the dust amount display unit displays this state and warns the user to replace the dust bag F. ing.

  When the user replaces the dust bag F, the dust bag processing switch S4 shown in FIG. This dust bag processing switch S4 may be provided in the hand operation pipe 13 of FIG. 1 or may be provided in the cleaner body 11 of FIG.

  When the dust bag processing switch S4 is operated, the control device 45 activates the timer 46 to start measuring time and starts the heating action by the main body side heating unit 44.

  In FIG. 2, when the heating action of the main body side heating unit 44 is started, the heat shrink member 43 provided on the neck portion 42 a of the dust bag main body 42 is heated and heat contracted. When the heating action of the main body side heating unit 44 elapses for a certain time, the neck portion 42a of the dust bag F is contracted as shown in FIG. 3 and the mouth of the dust bag F is closed.

  The timer 46 outputs a signal to the control device 45 when the neck portion 42a of the dust bag F is contracted, and the control device 45 stops the heating operation of the main body side heating unit 44 based on this signal. ing.

  When the heating action of the heat-shrinkable member 43 by the main body side heating unit 44 is completed, the control device 45 turns on the display lamp 47 and can take out the dust bag F from the cleaner main body 11 of FIG. To the user.

  When the user takes out the dust collection bag F, the neck portion 42a of the dust collection bag F is in a contracted state and the dust collection bag F is prevented from spilling dust. Removal and disposal can be performed.

  In FIG. 2, the example in which the main body side heating unit 44 is disposed below the heat shrinkable member 43 is shown, but it is needless to say that a plurality of main body side heating units 44 may be provided around the heat shrinkable member 43.

  FIG. 5 shows a part of the dust bag F according to the second embodiment. In addition, the same thing as Example 1 shows the same code | symbol, and abbreviate | omits the description.

  In the second embodiment, the heating means of the heat shrinkable member 43 is integrally provided on the neck portion 42a of the dust bag F, and the rest is the same as that of the vacuum cleaner 10 of the first embodiment. Illustration and description are omitted.

  In FIG. 5, a heater 50 as a heating means made of a conductive member is integrally provided on the outer periphery (or inner periphery) of the heat shrinkable member 43 of the neck portion 42a. Contacts 52 a and 52 b connected to the heater 50 are provided on the outer surface (the left surface in the drawing) of the mount 41 of the dust bag F.

  The lead wire L1 from the contact 52a is connected to one end (left end in the figure) of the heater 50. The lead wire L2 from the other end of the heater 50 is connected to the contact 52b through the heat shrink member 43.

  Reference numeral 53 denotes an attachment portion of the cleaner body 11 (see FIG. 2) to which the mount 41 is attached. The mounting portion 53 is provided with conductive plates (fixed contacts) 54a and 54b at positions facing the contact 52. The conductive plates 54a and 54b are connected to the control device 45 shown in FIG. 4B by lead wires 55a and 55b. Are connected to a power source (not shown).

  When the mount 41 of the dust collection bag F is mounted in the dust collection chamber 21 shown in FIG. 2, the contact points 52a and 52b come into contact with the opposing conductive plates 54a and 54b, respectively.

  The conductive plates 54a and 54b, the lead wires 55a and 55b, and the like constitute energization means 51 for energizing the heater 50 with electricity. When the power source is connected between the lead wires L1 and L2, the heater 50 is energized through the energizing means 51 so that the heater 50 heats the heat shrinkable member 43.

  The operation of the vacuum cleaner 10 using the dust bag F configured as described above will be described with reference to FIGS. 4B and 5.

  When dust is stored in the dust bag F by cleaning with the vacuum cleaner 10 and the dust amount reaches a predetermined amount and a dust amount display means (not shown) is displayed, the dust bag processing switch S4 (FIG. 4) is displayed. (B) is operated.

  By operating the dust bag processing switch S4, the control device 45 activates the timer 46 and energizes the heater 50 (see FIG. 5) as a dust bag side heating unit via the energizing means 51, thereby heating the heater. 50 heating actions are started.

  The heating time of the heat-shrinkable member 43 by the heater 50 is performed for a certain time set in the timer 46, and the heating action of the heat-shrinkable member 43 by the heater 50 is controlled to stop when the certain time elapses.

  When the heat-shrinkable member 43 is heated for a certain period of time by the heater 50 shown in FIG. 5, the neck portion 42a of the dust bag main body 42 of the dust bag F is shrunk in the same manner as in the first embodiment shown in FIG. Thereby, the dust collection bag F can be taken out from the cleaner body 11 and the disposal process can be easily performed without dust spilling from the dust collection bag F as in the first embodiment.

  In the first and second embodiments described above, heating the main body side heating unit 44 and the heater 50 as heating means was performed by manually operating the dust bag processing switch S4 (see FIG. 4). However, this is not necessarily the case.

  For example, when the dust amount of the dust bag F shown in FIG. 2 reaches a predetermined limit and the dust bag body 42 may be clogged, the electric blower 22 automatically absorbs dust and air. It is also possible to automatically cause the heat shrinking member 43 of the dust bag F to be heated by the heating means (the main body side heating unit 44 or the heater 50).

  The dust bag according to the embodiment of the invention described above includes a dust bag main body (42) for sucking dust from the opening (40) side, and a heat shrink member (43) on the dust bag main body (42). Is a dust collection bag (F). This dust bag (F) is provided with a heat shrink member (43) in the vicinity of the opening (40) of the dust bag body (42).

  According to this configuration, since the heat shrink member (43) is provided in the vicinity of the opening (40) of the dust bag main body (42), the dust in the dust bag main body (42) is collected in a predetermined amount. When the dust bag main body (42) is to be disposed of, the neck (42a) of the dust bag main body (42) is heated by heating means of the heat shrinkable member (43) of the dust bag main body (42). Spillage of dust when the dust bag (F) is taken out from the dust chamber (21) and when the dust bag (F) is disposed of, and the indoor pollution caused by the dust bag is reduced. Can be reliably prevented. Further, the dust collection bag (F) can be easily taken out from the dust collection chamber (21).

  The vacuum cleaner according to the embodiment of the present invention generates a suction negative pressure in the dust collection chamber (21) to which the dust collection bag (F) is detachably attached and the dust collection chamber (21). A vacuum cleaner body (11) including an electric blower (22) is provided, and heating means (44/50) capable of heating the heat shrinkable member (43) of the dust bag (F) is provided.

  According to this configuration, when the dust collected by the dust bag (F) of the cleaner body (11) reaches a predetermined amount and the dust bag (F) needs to be replaced, the heating means (44/50) By heating the heat-shrinkable member (43) of the dust bag (F), the neck (42a) of the dust bag (F) is shrunk, resulting in spilling of dust from the dust bag (F). The dust bag (F) can be easily taken out from the cleaner body (11) and disposed of without disposal.

  In the electric vacuum cleaner according to the embodiment of the present invention, the heating means (44/50) is provided in the vicinity of the heat shrink member (43) disposed in the dust collection chamber (21). And a main body side heating section (44).

  According to this configuration, when the dust collection bag (F) in the dust collection chamber (21) of the vacuum cleaner reaches a predetermined amount, the main body side in the dust collection chamber (21). Since the heat shrinkable member (43) of the dust bag (F) is heated by the heating unit (44), the neck (42a) of the dust bag (F) is shrunk and the dust bag from the cleaner body (11). (F) can be easily taken out and discarded.

  Further, in the electric vacuum cleaner according to the embodiment of the present invention, the heating means (44/50) is a heater (50) provided at a neck (42a) of the dust bag (F), and The vacuum cleaner main body (11) is provided with energization means (51) for the heater (50).

  According to this configuration, the dust bag main body (42) in the dust collection chamber (21) of the vacuum cleaner is configured such that when the amount of dust stored in the dust bag main body (42) reaches a predetermined amount, Since the heat-shrinkable member (43) provided in the dust bag main body (42) is heated by the heater (50), the neck (42a) of the dust bag main body (42) is shrunk and is removed from the cleaner main body (11). The dust collection bag (F) can be taken out and disposed of easily without causing dust spillage.

It is a perspective view of the vacuum cleaner to which the dust bag concerning this invention was applied. It is the side view which carried out the partial longitudinal cross-section of the cleaner body concerning Example 1 of the present invention. It is the side view which carried out the longitudinal cross-section of the vacuum cleaner main body which shows the change of the dust bag in FIG. (A) is a block diagram related to the heating control of the main body side heating unit in Example 1, and (b) is a block diagram related to the heating control of the heater (dust collection bag side heating unit) in Example 2. It is a vertical side view which shows a part of dust bag F concerning Example 2 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Vacuum cleaner 11 Vacuum cleaner main body 21 Dust collection chamber 22 Electric blower 40 Opening 42 Dust collection bag main body 42a Neck part 43 of a dust collection bag main body Heat shrink member 44 Main body side heating part (heating means)
50 Heater (Dust bag side heating part as heating means)
51 Energizing means

Claims (4)

A dust bag main body for sucking dust from the opening side, and a dust collection bag provided with a heat shrink member on the dust bag main body,
A dust bag comprising a heat shrinkable member in the vicinity of the opening of the dust bag body. A vacuum cleaner body comprising a dust collection chamber to which the dust collection bag according to claim 1 is detachably attached and an electric blower that generates suction negative pressure in the dust collection chamber,
An electric vacuum cleaner comprising heating means capable of heating a heat shrink member of the dust bag in the dust collection chamber.   The electric vacuum cleaner according to claim 2, wherein the heating means is a main body side heating unit provided in the vicinity of the heat shrinkable member disposed in the dust collection chamber.   3. The electric vacuum cleaner according to claim 2, wherein the heating means is a heater provided at a neck portion of the dust bag, and an energization means for the heater is provided in the vacuum cleaner body.

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