JP6371971B2 - Electric vacuum cleaner - Google Patents

Description

  The present invention relates to a vacuum cleaner.

  Conventionally, this type of vacuum cleaner includes a vacuum cleaner main body having a dust collection unit and an electric blower, and a dust collection bag attached to the dust collection unit, and the dust collection bag has an opening having an opening. And a bag member attached to the mouth plate. One end of the mouth plate is provided with a part of the seal member, and the other part of the seal member is provided in the cleaner body. A locking portion that engages with a joint portion and holds the mouth plate in the vacuum cleaner body is provided, and a rotating shaft and the dust collection bag are disposed at the lower portion of the dust collection portion. A holder to which the other end of the mouth plate can be attached when mounted on the holder, and when the mouth plate is held by the locking portion, the holder is raised, and the locking portion Is detached from the mouth plate, the holder is in a state of falling to the electric blower side with the rotation shaft as a rotation axis, When taking out the dust bag from the dust collecting unit, the sealing member was of the configuration for closing the opening (e.g., see Patent Document 1).

JP2011-229986A

  However, in the configuration of the conventional vacuum cleaner, when the dust collection bag is taken out from the dust collection portion, even if the engagement portion is removed from the mouth plate when the dust collection bag is full of dust, The bag member of the bag stretches between the rear wall of the dust collecting part and the front wall on the holder side, and the holder does not fall to the electric blower side, and the engaging part also falls to the dust collecting part side. When the mouth plate of the dust collection bag is gripped with a finger and pulled upward, the finger is easily caught on the engaging portion, and it is very difficult to take out.

  SUMMARY OF THE INVENTION The present invention solves the above-described conventional problems, and an object thereof is to provide a vacuum cleaner that can be easily taken out even when a dust bag is full of dust.

In order to solve the above-described conventional problems, an electric vacuum cleaner according to the present invention is mounted in a dust collection chamber having an intake port and a vacuum cleaner main body for storing a dust suction electric blower, and the dust collection chamber. A dust collection bag having a mouth frame having an intake hole corresponding to the mouth; and the mouth frame of the dust collection bag that is independently arranged on both the left and right sides of the suction port of the dust collection chamber and is rotatable forward and backward. Two holders for attaching the dust collection chamber, a lid body that covers the dust collection chamber so as to be openable and closable, and the dust collection bag when the dust collection bag is installed in the dust collection chamber. comprising two retaining ribs of the lid while pressing forward the upper portion of the opening frame corresponding respectively with the two holders shall be the closed state of the bag, the said two
In the state without the dust collection bag, the holder is held in an inclined state by pivoting backward by a biasing force of a spring provided for each holder, and the holding rib is in the two inclined states. By contacting the holder, it is detected that there is no dust bag, and can be easily removed even when the dust bag is full of dust, and it is not equipped with a dust bag. Since the lid cannot be closed, misuse due to the dust bag not being installed can be prevented.

  The vacuum cleaner of the present invention can provide an easy-to-use vacuum cleaner that improves the detachability of the dust bag and can prevent misuse due to the dust bag not being attached.

The perspective view of the electric vacuum cleaner in Embodiment 1 of this invention Main sectional view of the vacuum cleaner body of the vacuum cleaner Exploded perspective view of the vacuum cleaner body Perspective view from above of the vacuum cleaner body 4 is a cross-sectional view taken along the line A-A in FIG. 4 is a cross-sectional view taken along the line AA in FIG. Perspective view from above of the vacuum cleaner body BB sectional view of FIG. CC sectional view of FIG.

A first aspect of the present invention includes a dust collection chamber having an intake port and a vacuum cleaner body that houses an electric blower for sucking dust, and a mouth frame that is mounted in the dust collection chamber and has an intake hole corresponding to the intake port. A dust collection bag, two holders arranged independently on the left and right sides of the intake port of the dust collection chamber, pivotable forward and backward, and attached to the mouth frame of the dust collection bag, and the dust collection chamber A lid body that is openable and closable at the top, and is provided on the lid body, and when the dust bag is mounted in the dust collection chamber, while holding the upper part of the mouth frame of the dust bag forward spring said lid and a two holding ribs the two to the holder and each corresponding you closed, the two holders are provided for each of the holder in a state the dust collecting bag is not The urging force is pivoted rearward and held in an inclined state, and the holding rib is inclined. By contacting with two holders of state, as it can detect that the dust bag is absent, it can also be easily taken out in a state where full dust accumulated in the dust collection bag, furthermore, the dust bag If it is not attached, the lid cannot be closed, so that misuse due to the dust bag not being attached can be prevented.

In the second invention, in particular, an inclined portion opened above and substantially outside the dust collecting chamber is provided at an insertion port of a holder for mounting the mouth frame of the dust collecting bag of the first invention, and the inclined portion is disposed in the dust collecting chamber. It is in contact with the side wall of the chamber, and can be easily mounted along the inclined portion when the mouth frame of the dust bag is mounted. Furthermore, if the user closes the lid body without notice that the user does not wear the dust bag, the projection (holding rib) of the lid body comes into contact with the holder, Since the inclined portion can be supported by the dust collection chamber side wall, the holder can be prevented from being damaged.

  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)
Embodiment 1 of the present invention will be described with reference to FIGS. FIG. 1 is a perspective view of the vacuum cleaner in the present embodiment, FIG. 2 is a main cross-sectional view of the vacuum cleaner main body of the vacuum cleaner, FIG. 3 is an exploded perspective view of the vacuum cleaner main body, and FIG. FIG. 5 is a cross-sectional view from the top of the vacuum cleaner body, FIG. 5 is a cross-sectional view taken along the line AA of FIG. 4 before the dust bag is inserted into the vacuum cleaner body, and FIG. 4 is a cross-sectional view taken from above the vacuum cleaner body, FIG. 8 is a cross-sectional view taken along line BB in FIG. 7, and FIG. 9 is a cross-sectional view taken along line CC in FIG. is there.

  As shown in FIG. 1, the electric vacuum cleaner in the present embodiment sucks in dust on the surface to be cleaned, and a cleaner main body 1 incorporating an electric blower 5 (see FIGS. 2 and 3) that generates suction air. The suction tool 2 is composed of an extension pipe 3 whose one end is connected to the suction tool 2, and a hose 4 whose one end is connected to the extension pipe 3 and whose other end is connected to the cleaner body 1.

  The suction tool 2 has a built-in rotating brush (not shown) that scrapes dust on the surface to be cleaned and an electric motor (not shown) that rotates the rotating brush. Further, a tip pipe 7 having a handle portion 6 that is held when the user cleans is provided at the end portion of the hose 4 on the side of the extension tube 3. The hose 4 is detachably connected. Further, a connection pipe 8 is provided at the end of the hose 4 on the cleaner body 1 side, and the inlet 9 and the hose 4 of the cleaner body 1 are detachably connected via the connection pipe 8. ing.

  As shown in FIGS. 2 to 4, the vacuum cleaner main body 1 includes a lower frame body 10 having a dust collecting chamber 15 formed in the front and an electric blower 5 and a cord winding device 16 in the rear, and the vacuum cleaner main body 1. The lower frame body 10 and the upper frame body 11 are coupled by screws or the like.

  Further, a traveling caster 12 is attached to the front lower surface of the lower frame body 10, and wheels 17 are rotatably attached to both rear side surfaces. Further, a check valve 13 made of an elastic material is attached to the front end portion of the dust collecting chamber 15, and an intake frame body 14 is attached so as to cover the check valve 13. Further, an exhaust port 18 is formed at the rear portion of the cleaner body 1 for exhausting the exhaust discharged by the electric blower 5 after passing through the inside of the cord winding device 16.

  The upper part of the dust collection chamber 15 is in an open state, and has a packing 19 around the entire upper end of the open part. A dust collection bag 22 having a mouth frame 22a and a bag portion 22b is detachably mounted with the suction hole 22c of the mouth frame 22a facing the suction port 9 of the dust collection chamber 15.

  A lid 20 that is rotatably provided on the vacuum cleaner main body 1 with the rear part as a fulcrum covers the upper opening 15 b of the dust collection chamber 15. When the lid 20 is in the closed state and the flat surface is substantially the same shape as the packing 19 and the lid 20 is in the closed state, the tight rib 20a that presses the packing 19 and performs air tight, and the upper and left sides of the upper end of the mouth frame 22a And holding ribs 20b to be pressed. In the dust collection chamber 15, a holder 23 and a holder 24 urged by a spring 21 are attached to ribs (not shown) of the lower frame body 10 located on the left and right of the air inlet 9 so that the holder 23 and the holder 24 can pivot in the front-rear direction. It has been.

As shown in FIGS. 5 and 6, when the lower end of the mouth frame 22a of the dust bag 22 is inserted into positioning portions 23a, 24a (not shown) provided at the lower ends of the holder 23 and the holder 24, while the upper portion of the holder 23 and the holder 24 are dynamic axial times forward, it is mounted is fitted in the auxiliary positioning unit 15a such as a rib which determines the longitudinal position of the opening frame 22a in the dust collection chamber 15 bottom shown in FIG.
In a state where there is no dust bag 22, the holder 23 and the holder 24 are held in an inclined state by pivoting backward by the biasing force of the spring 21.

  In addition, as shown in FIG. 9, inclined portions 23 b and 24 b are respectively provided in the insertion ports at the upper ends of the holder 23 and the holder 24 so that the mouth frame 22 a can be easily attached.

  About the vacuum cleaner in this Embodiment comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

As shown in FIGS. 7 to 9, the holding rib 20 b on the inner surface of the lid 20 is connected to the upper ends of the holders 23 and 24 so that the lid 20 is not closed when the dust bag 22 is not attached. It is configured to detect that there is no dust collection bag 22 in contact, and above the left and right holders 23 and 24 there is no engaging portion for holding the upper portion of the mouth frame 22a as described in the conventional example, Since it is in an open state, it can be easily taken out even when the dust bag 22 is full of dust. Furthermore, the lid 20 cannot be closed unless the dust bag 22 is attached. 22
Misuse due to non-installation can be prevented.

  Further, inclined portions 23b and 24b, in which the insertion opening at the upper end of the holder 23 and the holder 24 for attaching the mouth frame 22a of the dust collection bag 22 is opened above the dust collection chamber 15 and substantially outside, are formed on the upper portion of the side wall of the dust collection chamber 15. Since it is configured to be in contact with the disposed packing 19, it can be easily attached along the inclined portions 23 b and 24 b when attaching the mouth frame 22 a of the dust bag 22.

  Furthermore, if the user closes the lid 20 without noticing that the dust bag 22 is not attached, the holding rib 20b of the lid 20 comes into contact with the holders 23 and 24. Since the inclined portions 23b and 24b can be supported by the side wall of the dust collecting chamber 15 via the packing 19, the holders 23 and 24 can also be prevented from being damaged.

  In the above-described embodiment, the inclined portions 23b and 24b at the upper ends of the holder 23 and the holder 24 are configured to contact the packing 19 disposed on the upper side wall of the dust collecting chamber 15, but the inclined portions 23b, It goes without saying that the same effect can be obtained even if 24b is brought into direct contact with the side wall of the dust collecting chamber 15.

  As described above, the attachment structure of the dust bag of the vacuum cleaner according to the present invention can be easily taken out even when full dust is accumulated, so that it can be applied to household or commercial vacuum cleaners. .

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner main body 2 Suction tool 3 Extension pipe 4 Hose 5 Electric blower 6 Handle part 7 Tip pipe 8 Connection pipe 9 Intake port 10 Lower frame body 11 Upper frame body 12 Caster 13 Check valve 14 Intake frame body 15 Dust collection chamber 15a Auxiliary positioning portion 16 Cord winding device 17 Wheel 18 Exhaust port 19 Packing 20 Lid 20a Tight rib 20b Holding rib 21 Spring 22 Dust collection bag 22a Opening frame 22b Bag portion 22c Intake hole 23, 24 Holder 23a, 24a Positioning portion 23b, 24b Slope

Claims (2)

A vacuum cleaner body that houses a dust collection chamber having an air inlet and an electric blower for dust suction;
A dust collection bag that is mounted in the dust collection chamber and has a mouth frame having an intake hole corresponding to the intake port, and is independently arranged on the left and right sides of the intake port of the dust collection chamber, and can be rotated back and forth. And two holders for mounting the mouth frame of the dust bag,
A lid that covers the dust collection chamber so as to be openable and closable ,
Provided in the lid, the collection when the dust bag dust chamber is mounted, you said lid closed while holding the upper part of the opening frame of the dust collection bag in front the 2 one of the provided holder and two retaining ribs which correspond each to,
The two holders are held in an inclined state by pivoting backward by an urging force of a spring provided for each holder in the absence of the dust collection bag, and the holding rib is in the inclined state. A vacuum cleaner characterized in that the absence of the dust bag is detected by contacting the two holders . An inclined part opened above and substantially outside the dust collection chamber is provided at the insertion port of the holder to which the mouth frame of the dust bag is attached, and the inclined part is brought into contact with the side wall of the dust collection chamber. Item 2. The vacuum cleaner according to Item 1 .

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