JP3588944B2 - Electric vacuum cleaner - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a general household vacuum cleaner.
[0002]
[Prior art]
A conventional vacuum cleaner will be described with reference to FIGS. Reference numeral 1 denotes a lower main body having a built-in electric blower 2 and the like, a dust collecting chamber 5 having a mouth core 3 at a front portion for storing a dust collecting bag 4 for collecting dust, and a pair of dust chambers 5 for inserting the mouth core 3. A jib rib 6 is provided. The inner dimension between the pair of jig ribs 6 is set substantially equal to the width dimension of the core 3. A check valve 8 made of an elastic material such as rubber is fixed to an intake port 7 provided in a front wall 5a of the dust collecting chamber 5.
[0003]
The gap L between the jig rib 6 and the check valve 8 is set to be smaller than the thickness of the mouth core 3 attached to that portion, and the mouth core 3 is pressed between the jig rib 6 and the check valve 8. Air tightness between the two is ensured.
[0004]
Reference numeral 9 denotes a bag mouth holder for holding the upper part of the mouth core 3. Attachment of the dust collecting bag 4 to the lower main body 1 is completed by grasping the upper portion of the opening 3 of the dust collecting bag 4 and inserting the opening 3 between the jig rib 6 and the check valve 8.
[0005]
[Problems to be solved by the invention]
However, in the vacuum cleaner having the above configuration, when the dust collecting bag 4 is set in the dust collecting chamber 5, the inner dimensions of the pair of jig ribs 6 are set to be substantially the same as the width dimension of the core 3. Therefore, if the core 3 is slightly inclined, it is difficult to insert the core 3 without entering between the pair of jib ribs 6.
[0006]
In addition, since the check valve 8 is set to be slightly pressed against the core 3, the core 3 is caught on the check valve 8 during the insertion of the core 3, or the core 3 is forcibly inserted and inserted. There is a problem in that it is curved and dust leaks from the gap between the mouth core 3 and the check valve 8.
[0007]
SUMMARY OF THE INVENTION The present invention has been made to solve the above conventional problems, and has as its object to improve the attachment of a dust collecting bag of a vacuum cleaner.
[0008]
[Means for Solving the Problems]
The present invention for achieving the above object includes an electric blower chamber having a built-in electric blower, a dust collecting bag having a rectangular core and collecting dust, and a collecting bag for storing the dust collecting bag. and dust chamber, an intake port provided on one wall of the dust collecting chamber, a check valve attached to the air inlet, is provided across the air inlet to the wall provided with the suction port of the dust collecting chamber The dust collecting bag is formed by a pair of ribs having a substantially L-shaped cross section into which the mouth is inserted, and one side of the rib having the substantially L-shaped cross section has a minimum gap between an inner wall thereof and a check valve. Is provided with a gap and a wall provided with an intake port of the dust collecting chamber so as to be substantially equal to or more than the thickness of the dust collecting chamber, and an inclined surface is provided at a portion opposed to the pair of ribs, and a lower end thereof is provided. to the internal dimensions as to substantially the same as the width of the port core, it becomes larger than the inner dimension of the lower end of the inner dimension in the upper end portion of the rib With, by providing an inclined portion descending toward the opposite the suction port side in the upper part of the wall provided with inclined surfaces in the pair of opposed ribs, when attaching the dust collecting bag to the inlet portion, the upper end portion of the rib Is widened, the mouth can be easily inserted between the ribs, and when the lower end of the mouth reaches the bottom of the main body, the positioning of the mouth is ensured, and no dust leakage occurs.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
According to a third aspect of the present invention, there is provided an electric blower chamber having a built-in electric blower, a dust collecting bag having a rectangular mouth and collecting dust, and a dust collecting bag storing the dust collecting bag. Chamber, an intake port provided on one wall of the dust collection chamber, a check valve attached to the intake port, and a wall provided with the intake port of the dust collection chamber, with the intake port interposed therebetween. The dust collecting bag is formed by a pair of ribs having a substantially L-shaped cross section into which the mouth of the dust bag is inserted. One side of the rib having the substantially L-shaped cross section has a minimum gap between the inner wall thereof and the check valve. It is provided with a gap and a wall provided with an intake port of the dust collection chamber so as to be substantially the same as or more than the thickness, and an inclined surface is provided at an opposing portion of the pair of ribs, and at a lower end portion thereof. When the inner dimension is made substantially the same as the width dimension of the core and the inner dimension at the upper end of the rib is made larger than that at the lower end, it is The present invention provided a pair of an upper end portion of the wall provided with inclined surfaces at opposite ribs inclined portion underlying that toward the opposite the suction port side, it is possible to insert between the easily ribs mouth core, mouth core When the lower end of the main body reaches the bottom of the main body, the positioning of the center of the mouth is reliably performed, and no dust leaks. Also, when the core is inserted between the pair of ribs, the core is not caught between the check valve and the inner wall of the rib, so that the insertion becomes easy and the core is not deformed. Further, when the mouth core is inserted between the ribs, the folded end of the dust collecting bag does not catch on the ribs, so that the dust bag can be smoothly inserted.
[0010]
【Example】
(Example 1)
Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. Reference numeral 11 denotes a lower body in which an electric blower chamber 12a containing the electric blower 12 and the like is arranged, and reference numeral 14 denotes a dust collecting bag, which is formed by a mouth 13 having an opening 13c and a bag 14b for collecting dust. . Reference numeral 15 denotes a dust collection chamber 15 arranged on the front side of the lower main body 11.
[0011]
Reference numeral 16 denotes a pair of ribs serving as a guide when the mouth 13 is inserted, and is provided on both sides of an intake port 17 described later.
[0012]
A suction port 17 is provided on a front wall 15a of the dust collection chamber 15, and a check valve 18 formed of an elastic material such as rubber is fixed to a periphery of the suction port 17.
[0013]
Reference numeral 19 denotes a rotatable attachment to the lower body 11, and after attaching the dust collecting bag 14 to a predetermined position, the opening 13 of the dust collecting bag 14 is slightly pressed against the check valve 18 to hold and fix the upper portion 13 b. It is a bag mouth hold to do.
[0014]
The inner dimension (L1) at the lower end of the pair of ribs 16 is made substantially the same as the width dimension of the core 13, and the inner dimension (L2) at the upper end 16b of the rib 16 is made smaller than the inner dimension L1 of the lower end. An inclined surface 16a is provided on the side of the mouth 13 of the rib 16 so as to be large.
[0015]
The operation of the above configuration is as follows.
[0016]
That is, when attaching the dust collecting bag 14 to the suction port 17, the core 13 of the dust collecting bag 14 is inserted between the pair of ribs 16 until the lower end 13 a of the dust collecting bag 14 reaches the bottom surface 11 a of the lower body 11. Then, the bag opening holder 19 is rotated backward to hold the upper end 13b of the opening 13 and the installation of the dust collecting bag 14 is completed.
[0017]
When the core 13 is inserted between the pair of ribs 16, the upper end portion 16 b is wide, so that the core 13 can be easily inserted between the ribs 16 and the lower end of the core 13 is located on the bottom surface of the lower body 11. 11a, the inner dimension (L1) at the lower end of the rib 16 is set to be substantially the same as the width dimension of the wick 13, so that the left and right positioning of the wick 13 is ensured, and the opening There is no deviation of the center of the check valve 13c from that of the check valve 18 and no dust leakage occurs.
[0018]
(Example 2)
Next, a second embodiment of the present invention will be described with reference to FIGS. The same components as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.
[0019]
The cross-sectional shape of the rib 16 is substantially L-shaped, and the minimum gap L3 between the inner wall 16b of the rib 16 located on the back side of the mouth 13 and the check valve 18 is substantially equal to or greater than the thickness of the mouth 13. When the core 13 is inserted between the pair of ribs 16, the core 13 does not get caught between the check valve 18 and the inner wall 16 b of the rib 16. Occasionally, the core 13 is not deformed, and dust does not leak due to the deformation. The airtightness between the mouth 13 and the check valve 18 is ensured by holding the upper end 13b of the mouth 13 with the bag mouth holding member 19 and pressing the mouth 13 against the check valve 18. Needless to say.
[0020]
(Example 3)
Next, a third embodiment of the present invention will be described with reference to FIGS. The same components as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted.
[0021]
The upper end of the wall provided with the inclined surface 16a of the rib 16 facing the side end of the mouth 13 is provided with a downwardly inclined portion 16c. As shown in FIG. 9, since the folded end portion 14a of the bag body 14b does not catch on the rib 16, the bag body 14b does not break and the dust collecting bag 14 can be mounted smoothly. It is.
[0022]
【The invention's effect】
According to the invention described in claim 1 of the present invention, the inner dimensions at the lower ends of the pair of ribs are made substantially the same as the width dimension of the core, and the inner dimensions at the upper end of the ribs are made smaller than the inner dimensions of the lower end. By providing an inclined surface on the core side of the rib so that it becomes larger, the upper end of the rib is wider when the dust bag is attached to the intake port, so that the core can be easily inserted between the ribs When the lower end of the core reaches the bottom of the lower body, the positioning of the core is ensured, and no dust leaks.
[0023]
According to the invention described in claim 2 of the present invention, the cross-sectional shape of the rib is substantially L-shaped, and the minimum gap between the inner wall of the rib on the back side of the mouth and the check valve is substantially the same as the thickness of the mouth or By setting a value larger than that, when the core is inserted between the pair of ribs, it is not caught between the check valve and the inner wall of the rib, so that the insertion becomes easy and the core is not deformed. .
[0024]
According to the invention described in claim 3 of the present invention, by providing a rearwardly inclined portion at the upper end of the rib facing the side end of the mouth, dust is collected when the mouth is inserted between the ribs. Since the folded end of the bag does not catch on the rib, the bag can be inserted smoothly.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a vacuum cleaner showing a first embodiment of the present invention. FIG. 2 is a plan view showing a dust bag of the vacuum cleaner. FIG. FIG. 4 is a cross-sectional view of a main part of a vacuum cleaner according to a second embodiment of the present invention. FIG. 5 is a cross-sectional view of a main part before the core is held by a bag mouth holder. FIG. 6 is a cross-sectional view of a main part in a state where the core is held by a bag mouth holder. FIG. 7 is a perspective view of a dust collecting bag mounting portion of the vacuum cleaner. FIG. 8 shows a third embodiment of the present invention. FIG. 9 is a perspective view of a dust collecting bag mounting portion of the vacuum cleaner. FIG. 10 is a cross-sectional view of a dust collecting bag mounting portion of the vacuum cleaner. FIG. 11 is a cross-sectional view of a conventional vacuum cleaner. FIG. 12 is a cross-sectional view of a main part before the same core is attached. FIG. 13 is a cross-sectional view of a main part with the same core attached.
12 electric blower 12a electric blower room 13 mouth 14 dust collecting bag 15 dust collecting room 17 intake port 18 check valve 16 rib 16a inclined surface

Claims (1)

An electric blower chamber containing a built-in electric blower, a dust collecting bag having a rectangular mouth and collecting dust, a dust collecting chamber for storing the dust collecting bag, and a dust collecting chamber provided on one wall of the dust collecting chamber. A suction valve, a check valve attached to the suction port, and a pair of the dust collection bag, in which a wall of the dust collection bag is inserted and provided on a wall of the dust collection chamber where the suction port is provided. And one side of the rib having a substantially L-shaped cross section such that a minimum gap between an inner wall thereof and a check valve is substantially equal to or greater than the thickness of the core. The dust collecting chamber is provided with a gap with a wall provided with an intake port, and an inclined surface is provided at a portion opposed to the pair of ribs, and an inner dimension at a lower end thereof is substantially equal to a width dimension of the core. identical to, while such still larger than the inner dimension of the lower end of the inner dimension in the upper part of the ribs, inclined at the pair of opposed ribs Vacuum cleaner formed by providing an inclined portion underlying that toward the upper end portion of the wall having a surface on opposite the suction port side.

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