JP2000354571A - Vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vacuum cleaner in which it is made easier to set and remove a dust collecting bag in and from a dust collecting chamber. SOLUTION: When a dust collecting chamber lid 61 covering an opening in a dust collecting chamber 52 formed in a lower body 51 is closed, a mouth core 74 and an intake port 65 are energized into the state of close contact, and when the dust collecting chamber lid 61 is opened, this energization is canceled. Thus when a dust collecting bag 73 is set or removed, energization of the mouth core 74 and the intake port 65 into the state of close contact is canceled to reduce the resistance to contact with the mouth core 74 so as to make it easier to set and remove the dust collecting bag 73.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner having a dust collecting bag with a mouth.

[0002]

2. Description of the Related Art Conventionally, this kind of vacuum cleaner has been disclosed in
As shown in, for example, Japanese Patent Application Laid-Open No. 1-197936, a configuration is generally used in which the upper and lower ends of a mouth are hooked and held on a claw portion of a support member which is rotatable and positioning ribs formed below the main body. Was.

Hereinafter, description will be given with reference to FIG.

[0004] Reference numeral 1 denotes a vacuum cleaner main body (hereinafter referred to as a main body) in which a dust collection chamber 2 is formed at the front and a dust suction motor (not shown) is disposed at the rear. An air inlet 6 is formed in the front wall 4 of the dust collecting chamber 2 to form a suction hole 6 through which a hose connecting pipe (not shown) is inserted. A front cover for holding the check valve 7 to be tight. Reference numeral 8 denotes a core 9 which is removably disposed in the dust collection chamber 2 and accumulates sucked dust.
The mouth core 9 is provided in the dust collection chamber 2 of the main body 1.
Similarly to the positioning rib 10 provided on the lower surface of the front part, it is disposed above the intake port 5 in the front part of the dust collection chamber 2, is urged by the spring 11 toward the dust collection chamber 2, and is rotatable about the rotation shaft 12. And a claw portion 13 for hooking and holding an upper portion of the mouth core 9
Is held so as to be in close contact with the check valve 7 by the support member 14 formed with the. A stopper 15 extending upward is formed on the support 14. Numeral 16 denotes a dust collecting chamber lid for opening and closing the upper opening of the dust collecting chamber 2, which forms an engaging portion 18 which engages with a concave portion 17 formed above the front wall 4 of the main body 1. When the dust collecting bag 8 is not inserted into the housing, a rib body 19 is formed to abut against the stopper 15 of the support 14 to prevent the dust collecting chamber cover 16 from closing.
In addition, caster rollers 20 and rollers 21 for movement are provided at the front lower surface and the rear side surface of the main body 1, respectively.

[0005] With the above configuration, the dust collection bag 8 is placed in the dust collection chamber 2.
When no support is attached, the support 1
4 rotates to the dust collection chamber 2 side, and the stopper 15
By moving to a position where it contacts the rib body 19 of No. 6,
The closing of the dust collection chamber lid 16 is prevented, and the user is notified that the dust collection bag 8 is not attached. Further, the claw portion 13 of the support 14 is hooked on the upper part of the
When the dust collecting bag 8 is attached to the dust collecting chamber 2, the support 14 rotates toward the front wall 4 of the dust collecting chamber 2 and the stopper 15
9 to a position where it does not contact the dust collecting chamber lid 1.
6 can be closed.

Further, as a configuration for attaching the dust collecting bag 8 without disposing the support 14, there has been a configuration disclosed in Japanese Patent Application Laid-Open No. Sho 59-189818. As shown in FIGS. 13 and 14, the support ribs A22 and B provided on the main body 1 are provided.
23, the core 9 is sandwiched and held, and is brought into close contact with the check valve 7. A whistle body 25 having a hole 24 communicating with the outside below the front wall 4 of the dust collecting chamber 2 and abutting on the mouth 9
When the dust collecting bag 2 is not attached to the dust collecting chamber 2, the whistle 25
The outside air flows in from the hole 24 to generate a whistle sound, thereby making the user recognize that the dust collecting bag 8 is not attached.

Further, as a configuration in which the intake port 5 is disposed on the dust collection chamber lid 16 side, there is a configuration disclosed in Japanese Utility Model Laid-Open No. 63-64351. As shown in FIGS. 15 and 16, a dust suction motor 2 held by a support rubber map 26 and a support rubber cover 27 behind the main body 1.
8 is formed, and the dust collecting chamber lid 16 is rotatably opened and closed by the shaft 31 provided on the main body 30 to open and close the dust collecting chamber 2 opening. The dust collecting chamber 2 is closed by the tight packing 32 disposed at the opening of the chamber 2.
6 and air-tight. Further, the dust collecting chamber lid 16 holds a rotating body 34 having an intake hole 6 for connecting a hose connecting pipe together with an inner wall 33 in which the intake port 5 is arranged. Above the front wall 4 of the dust collection chamber 2, the support 1 is rotatably pivoted about a rotation shaft 12 and is urged upward by a spring 11.
The support 14 is provided with a stopper 15 extending upward, and a rib body 19 which comes into contact with the stopper 15 when the dust bag 8 is not attached is provided with a dust collecting chamber. The dust collecting chamber lid 16 is formed on the lid 16 and prevents the user from recognizing that the dust collecting chamber lid 16 is not closed and the dust collecting bag 8 is not attached. When the core 9 is held by the support 14 and the dust collection bag 8 is attached, the inner wall 33 contacts the core 9 and pushes the core 9 downward, whereby the support 14 is turned to the dust collection chamber 2 side. And the stopper 15 moves away from the front wall 4 to a position where it does not come into contact with the rib body 19, and
6 can be closed.

[0008]

However, FIG.
In the configuration shown in FIG.
It is necessary to attach and detach the mouth core 9 from the claw portion 13 of this, there is a problem that it is difficult to attach and detach, it is troublesome, it is troublesome,
Also, as shown in FIGS. 13 and 14, in order to prevent dust from leaking even in a configuration in which the support 14 is not used, it is necessary to bring the mouth 9 into close contact with the check valve 7. In order to rub the core 9 between the support rib A22 and the support rib B23 and to rub the check valve 7 for attachment and detachment,
Each of them had a large frictional resistance and was very difficult to attach and detach, resulting in poor usability.

Further, in the configuration shown in FIGS. 15 and 16 in which the dust collection bag lid 16 has the suction port 5 in which the dust collection bag 8 is relatively easy to attach and detach, the dust collection chamber lid 16 has the suction port 5. And separate parts are required for the motor.
In such a case, electric wiring or the like is required in the intake port 5, so that the structure of the dust collecting chamber cover 16 which is a movable part becomes very complicated, the number of parts increases, assembly is difficult, and weight is heavy. There were many issues such as cost increase and cost increase.

The present invention has been made to solve these problems, and it is possible to improve the detachability of the dust collecting bag with a simple structure, improve the usability, and easily and surely attach the dust collecting bag. The purpose of the present invention is to provide a vacuum cleaner.

[0011]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a motor chamber in which a motor is provided, a dust collecting bag having a mouth core and for collecting sucked dust. A dust collecting chamber for detachably storing the dust collecting bag, an air inlet provided on a front wall of the dust collecting chamber, and a dust collecting chamber lid for opening and closing the dust collecting chamber, When the dust-collecting chamber lid is closed, the core and the air inlet are urged to be in close contact with each other, and when the dust-collecting chamber lid is opened, the urging is released.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claims 1 and 2 of the present invention relates to a motor chamber in which a motor is provided, a dust collecting bag having a mouth core and for collecting sucked dust. A dust collecting chamber for detachably storing the dust collecting bag, an air inlet provided on a front wall of the dust collecting chamber, and a dust collecting chamber lid for opening and closing the dust collecting chamber, When the dust collection chamber lid is closed, the core and the air inlet are urged to be in close contact with each other, and when the dust collection chamber lid is opened, the urging is released. Insert the core into the dust collection chamber and close the dust collection chamber lid to move the core toward the intake port side and urge it so that it is in close contact with the intake port. Attached,
In addition, the dust bag can be removed by opening the dust chamber lid, the urging is released, the core can be removed with little resistance from the air inlet, and the dust bag can be easily attached and detached. ,
Usability can be improved.

According to a third aspect of the present invention, there is provided a motor chamber having a motor, a dust collecting bag having a mouth core for collecting sucked dust, and a dust collecting chamber for detachably storing the dust collecting bag. A positioning rib formed of an intake port provided on a front wall of the dust collection chamber and a dust collection chamber cover that opens and closes the dust collection chamber, the positioning rib having an inclined portion formed on the lower surface of the dust collection chamber; The lower part of the mouth is held at a fixed inclination angle with respect to the lower surface of the dust collecting chamber, and the upper part of the mouth is brought into contact with the upper end of the mouth during the closing operation. A rib is formed on the dust collection chamber lid, which has an inclined portion for moving the rear surface and the upper surface of the core portion when the door is closed, and urges the rear surface and the upper surface of the core toward the air inlet side, and the rib is formed above the front wall. With the support body that is rotatably supported and has a claw that is urged by a spring and hooks and holds the upper part of the core, When attaching the dust collection bag, insert the core into the dust collection chamber and close the dust collection chamber cover to move the core toward the intake port side and make a close contact with the intake port. The dust bag is securely attached to the holding part, and the dust bag must be removed from the holding part of the support when removing the dust bag. Dust can be prevented from escaping and spilling out of the mouth core by moving away from the intake port, making it difficult for dust to spill into the dust collection chamber, reducing the possibility of spilled dust entering the motor and damaging the motor. It can prevent it.

According to a fourth aspect of the present invention, the support ribs for supporting the upper rear portion of the mouth in the above configuration are disposed near both sides of the mouth, so that the mouth is supported in the support ribs. By doing so, the position of the mouth can be regulated, and the upper part of the mouth is securely located at the position where it is held down by the holding ribs, and the support rib serves as a guide when inserting the mouth, so that the insertion position is clear, and It is easy to do.

In the invention according to claim 5 of the present invention, the lower side of the support rib is formed rearward from the upper side, so that the position of the center of the mouth is restricted above the support rib when the dust bag is attached or detached. In the state where the lower part of the mouth is removed from the positioning rib, the lower side of the support rib is formed more rearward than the upper part. This makes it difficult to contact with the mouth and improves the detachability of the dust collecting bag.

The invention according to claim 6 of the present invention is characterized in that the front wall and the upper portion of the intake port are formed so as to be inclined outwardly from the lower portion. The bottom surface of the chamber and the air inlet are easily visible, improving the mounting performance and the front wall has a space that is wider at the top than at the bottom when removing the dust bag. The detachability is improved.

According to a seventh aspect of the present invention, there is provided a support member which is rotatable about a rotation axis above a dust collection chamber side of a front wall of a dust collection chamber having an intake port. The supporting body is provided with a mouthpiece abutting part that projects toward the dust collecting chamber side from the front wall of the dust collecting chamber that constitutes the suction port and is urged to abut the mouth by an elastic body such as a spring. The center contact portion is disposed at a position below the upper end of the holding rib and in contact with the center. By supporting the center in the support rib, the position of the center can be regulated. The upper part of the wick is located at a position where it is pressed by the holding rib, and is further pushed rearward by a butt contact portion that comes into contact with the wick below the upper end of the support rib. Side, and even if the core warps or deforms toward the dust bag, Can be suppressed Te and become, such as not close dust collection chamber lid rides rib pressing the mouth core upper end surface, and prevents erroneous mounting of the dust bag.

[0018]

(Embodiment 1) Hereinafter, a first embodiment of the present invention will be described with reference to FIGS.

Reference numeral 51 denotes a lower body in which a dust collecting chamber 52 is formed in the front and a motor chamber 54 having a built-in motor 53 for sucking dust is disposed in the rear. 53 is a support rubber maple 55 at the front and a support rubber cover 56 at the rear.
A communication port 59 which is supported by and separated from the dust collecting chamber 52 by a partition wall 57 formed below the main body 51 in front of the motor 53, and has a grid 58 formed in the partition wall 57.
This communicates with the dust collection chamber 52. 60 is the lower body 51
A shaft 62 is formed on the main body that covers the opening above the motor chamber 54, and serves as the center of rotation of a dust collection chamber lid 61 that opens and closes the opening above the dust collection chamber 52. .

A check valve 63 is attached to the front wall 64 of the dust collecting chamber 52, has a suction port 65 and is formed of an elastic material, and a hose connection pipe (not shown) is inserted therein. It is held by a front cover 67 having an intake hole 66 formed therein, and is air-tight with the intake hole 66 to communicate with the dust collection chamber 52. An engaging portion 69 is provided in front of the dust collecting chamber lid 61 for engaging with a concave portion 68 formed on the upper part of the front cover 67, and is engaged with the dust collecting chamber lid 61 closed. A hook 70 is formed in front of the engaging portion 69 for catching a finger when opening the dust collection chamber lid 61. Behind the engaging portion 69, a front wall 64 of the lower body 51 and a tight packing 71 are provided. A tight rib 72 for air-tightening is formed through the hole.

Numeral 73 denotes a dust collecting bag which is detachably disposed in the dust collecting chamber 52 and accumulates the sucked dust. The dust collecting bag 73 comes into contact with the check valve 63 to tightly prevent the dust from leaking. A suction hole 75 communicating with the suction port 65 is formed in the mouth core 74. Positioning ribs 76 provided on the lower surface of the front of the dust collecting chamber 52 of the lower body 51 form a lower guiding portion 77 whose upper portion is inclined rearward so as to guide the lower portion of the mouth core 74 to a proper mounting position. A pressing rib 78 which is provided behind the tight rib 72 of the dust collection chamber lid 61 and presses the core 74 from behind to regulate the position of the upper portion of the core 74 is provided.
The lower part forms an upper guiding part 79 inclined to the rear side, and also forms an abutting part 80 which contacts the upper surface of the mouth core.

Numeral 81 denotes a sage which is used when carrying the electric vacuum cleaner. Numerals 82 and 83 denote caster rollers and rollers mounted on the front bottom surface and the rear side surface of the lower body 51, respectively. -.

The operation of the above configuration is as follows.

As shown in FIGS. 2 and 3, when the dust collecting bag 73 is mounted in the dust collecting chamber 52, when the lower portion of the mouth 74 is inserted into the positioning rib 76 along the lower guiding portion 77, the positioning rib 76 and the front wall are formed. The lower part of the check valve 63 is held by the lower side of the check valve 63 and the intake hole 75 of the
Is supported by the lower part of
One lower surface is held at a fixed inclination (θ).

While closing the dust collection chamber lid 61 with the mouth 74 held at a constant inclination (θ), the upper guiding portion 79 having an inclination (α) comes into contact with the upper rear surface of the mouth 74, The mouth 74 moves toward the front wall 64 along the inclination (α) of the upper guiding portion 79, and when the dust collection chamber lid 61 is closed, the rear surface and the upper surface of the mouth 74 are held by the holding rib 78, The mouth 74 comes into close contact with the check valve 63 having the suction port 65 and is positioned in a regular mounting state.

When the dust collection chamber lid 61 is opened, the core 74 is opened.
Because there is nothing to hold the upper part, the constant inclination (θ)
In the meantime, the upper part of the core 74 moves rearward, and the dust collection bag 73 can be easily removed as it is.

In this manner, the core 74 is held by simply inserting the lower part of the core 74 into the positioning rib 76 in the dust collecting chamber 52 and closing the dust collecting chamber cover 61, and the dust collecting bag 73 is securely attached. By simply opening the dust collection chamber lid 61, the support of the mouth core 74 is released and the upper part moves rearward, so that the dust collection bag 73 can be easily attached and detached.

(Embodiment 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.

A spring 84 is provided above the front wall 64 of the dust collecting chamber 52.
A support member 87 is provided, which is urged toward the dust collection chamber 52 and is rotatable around a rotation shaft 85, and has a claw portion 86 for hooking and holding an upper portion of the mouth core 74.

The operation of the above configuration is as follows.

When the dust collecting bag 73 is attached to the dust collecting chamber 52, the operation can be performed in the same manner as in the first embodiment, and only by closing the dust collecting chamber cover 61, the upper part of the core 74 is formed with the claw portion 86 formed on the support 87.
The dust collecting bag 73 can be easily attached, and the support 87 is opened when the dust collecting chamber lid 61 is opened.
The upper part of the mouth 74 is held by the claw portion 86 formed in the dust collecting bag 73.
5 can be prevented from escaping or spilling, and dust can be prevented from directly entering the motor 53, thereby preventing damage to the motor 53.

(Embodiment 3) Next, a third embodiment of the present invention will be described with reference to FIGS. The same components as those in the first and second embodiments are denoted by the same reference numerals, and description thereof will be omitted.

A support is provided in the dust collection chamber 52 of the lower body 51 behind the positioning rib 76 with the front wall 64 behind the positioning rib 76, and supporting the rear of the mouth 74 at a position higher than the positioning rib 76. Ribs 88 are arranged near both sides of the mouth 74, and the mouth 74 is held at a constant inclination (θ) with respect to the lower surface of the lower body 51 by the support ribs 88.

The operation of the above configuration is as follows.

When the dust collecting bag 73 is mounted in the dust collecting chamber 52, the support rib 88 is formed from a position higher than the positioning rib 76.
The insertion is easy and the position of the mouth 74 can be surely regulated.

After the core 74 is held at a fixed inclination (θ) with respect to the lower surface of the lower part 51 of the main body, the lid 74 is closed just by closing the dust collection chamber lid 61 in the same manner as in the first embodiment. And the same operation is performed.

(Embodiment 4) Next, a fourth embodiment of the present invention will be described with reference to FIGS. The same components as those in the first to third embodiments are denoted by the same reference numerals, and description thereof will be omitted.

A support rib 88 formed in the dust collection chamber 52 of the lower body 51 has a lower side 88A formed rearward of an upper side 88B in the axial direction of the intake port 65. That is, the gap (L2) between the lower wall 88A and the front wall 64 is larger than the gap (L1) between the upper side 88B of the support rib 88 and the front wall 64.

The operation of the above configuration is as follows.

The upper side 88B of the support rib 88 can form only a fixed gap (L1) for restricting the inclination angle (θ) of the core 74. However, when the dust bag 73 is attached to and detached from the dust chamber 52, the support rib 88B is provided. The upper side 88B supports the front-rear direction of the mouth 74, and the wide gap (L2) of the lower side 88A is formed. It can be attached and detached without making contact with the valve 63, and the detachability of the dust bag 73 is further improved.

Embodiment 5 Next, a fifth embodiment of the present invention will be described with reference to FIG. The same components as those in the first to fourth embodiments are denoted by the same reference numerals, and description thereof will be omitted.

The upper part of the front wall 64 of the dust collecting chamber 52 of the lower body 51 is formed to be inclined outwardly from the lower part.

The operation of the above configuration is as follows.

Since the upper part of the front wall 64 of the dust collecting chamber 52 is inclined more outward than the lower part, the lower surface of the dust collecting chamber 52 and the suction port 65 are positioned from above when the dust collecting bag 73 is mounted.
The front wall 64 has a space wider at the upper part (L4) than at the lower part (L3) when removing the dust collecting bag 73 in which dust is accumulated. This improves the detachability of the bag 73.

Embodiment 6 Next, a sixth embodiment of the present invention will be described with reference to FIG. The same components as those in the first to fifth embodiments are denoted by the same reference numerals, and description thereof will be omitted.

A support 90 is disposed above the front wall 64 of the dust collection chamber 52 on the dust collection chamber 52 side so as to be rotatable about a rotation shaft 89. A core contact portion 92 protrudes from the front wall 64 of the chamber 52 toward the dust collection chamber 52 and is urged by a spring 91 so as to contact the core 74.

The core contact portion 92 is disposed below the upper end of the support rib 88 and in contact with the core 74.

The operation of the above configuration is as follows.

The center contact portion 92 is provided at a position below the upper end of the support rib 88 and in contact with the center 74, and the position of the center 74 is supported by supporting the center 74 in the support rib 88. By performing the regulation, the upper part of the core 74 is correctly regulated to a position where the rib is pressed by the pressing rib 78, and further, the contact is made by the contact part 92 which contacts the core 74 below the upper end of the support rib 88. The part is pushed rearward and the support rib 88
The upper part of the core 74 moves toward the intake port 65 with the upper end as the center, so that the upper part of the core 74 is properly pressed even if the core 74 is warped or deformed toward the dust bag 73. The pressing rib 78 rides on the upper end surface of the mouth 74 and the dust collecting chamber cover 61
Are not closed, and problems such as erroneous mounting of the dust collecting bag 73 are prevented.

[0050]

According to the first and second aspects of the present invention, there are provided a motor chamber in which a motor is provided, a dust collecting bag having a mouth core and for collecting sucked dust. A dust collecting chamber for detachably storing the dust collecting bag, an air inlet provided on a front wall of the dust collecting chamber, and a dust collecting chamber lid for opening and closing the dust collecting chamber, When the dust collection chamber lid is closed, the core and the air inlet are urged to be in close contact with each other, and when the dust collection chamber lid is opened, the urging is released. Insert the core into the dust collection chamber and close the dust collection chamber lid to move the core to the suction port side and urge it so that it is in close contact with the suction port, and the dust collection bag is securely attached The dust bag can be removed by opening the dust chamber lid.
The urging is released, the core can be removed with little resistance from the air inlet, the dust bag can be easily attached and detached, and the usability can be improved.

The invention according to claim 3 of the present invention provides a motor
, A dust collecting bag having a mouth core for collecting the sucked dust, a dust collecting chamber for detachably storing the dust collecting bag, and a front wall of the dust collecting chamber And a dust-collecting chamber cover that covers the dust-collecting chamber so that the dust-collecting chamber can be opened and closed. When the dust collection chamber lid is opened, the urging is released.When the dust collection bag is attached, the mouth is inserted into the dust collection chamber, and the dust collection chamber lid is closed. Moves to the suction port side to be in close contact with the suction port, the upper part of the core is held by the holding part of the support, the dust bag is securely attached, and the dust bag is removed by removing the core. Must be removed from the holding part of the support,
When the dust collection chamber lid is opened, dust is prevented from escaping and spilling out of the mouth due to the mouth coming away from the air inlet, making it difficult for dust to spill into the dust collection chamber and allowing spilled dust to enter the motor. It is possible to reduce the possibility of damage to the motor.

In the invention according to claim 4 of the present invention, the support ribs for supporting the upper rear portion of the mouth in the above configuration are disposed near both sides of the mouth, so that the mouth is supported in the support ribs. By doing so, the position of the mouth can be regulated, and the upper part of the mouth is securely located at the position where it is held down by the holding ribs, and the support rib serves as a guide when inserting the mouth, so that the insertion position is clear, and It is easy to do.

According to a fifth aspect of the present invention, a positioning rib for regulating the position of the lower portion of the mouth core is formed at a lower end of a front wall formed with an air inlet of a dust collecting chamber, and an axial direction of the air inlet is provided. Since the lower side of the support rib is formed more rearward than the upper side, the position of the mouth can be regulated above the support rib when the dust bag is attached and detached, and in a state where the lower part of the mouth is detached from the positioning rib. Since the lower side of the support rib is formed behind the positioning rib, the gap of the mouth in the axial direction of the suction port becomes large, and the mouth is hardly in contact with the suction port, so that the dust collecting bag is detachable. Is improved.

The invention according to claim 6 of the present invention is characterized in that the upper part of the front wall forming the suction port of the dust collecting chamber is formed to be inclined outwardly from the lower part, so that the dust collecting bag can be attached. In addition, since the bottom surface and the air inlet of the dust collecting chamber can be easily seen from above, the mounting property is improved, and the front wall has a space wider at the upper part than at the lower part when taking out the dust collecting bag in which the dust is accumulated. In addition, the detachability of the dust bag is improved.

According to a seventh aspect of the present invention, there is provided a support member which is rotatable about a rotation axis above a dust collection chamber side of a wall of a dust collection chamber having an intake port. A supporting portion that projects toward the dust-collecting chamber side from the front wall of the dust-collecting chamber that forms an air inlet on the support, and is urged by an elastic body such as a spring to abut against the core. Since the contact portion of the mouth is disposed below the upper portion of the holding rib and in contact with the mouth, the position of the mouth can be regulated by supporting the mouth in the support rib, and The upper part is located at the position where it is held down by the holding rib, and it is further pushed backward by the center contact part that contacts the center below the upper part of the supporting rib, and the upper part of the center is centered on the upper part of the supporting rib toward the intake port side. Even if the core warps toward the dust bag side or deforms, the holding ribs Can feel more alert and will, does not close the dust collecting chamber lid rides rib pressing the mouth core upper surface is intended to prevent a dust bag of the erroneous attachment.

[Brief description of the drawings]

FIG. 1 is a side sectional view of a vacuum cleaner showing a first embodiment of the present invention.

FIG. 2 is a side sectional view of a main part of the vacuum cleaner.

FIG. 3 is a side sectional view of the electric vacuum cleaner.

FIG. 4 is a side sectional view of a main part of a vacuum cleaner showing a second embodiment of the present invention.

FIG. 5 is a side sectional view of a main part of the vacuum cleaner.

FIG. 6 is a side sectional view of a main part of a vacuum cleaner showing a third embodiment of the present invention.

FIG. 7 is a side sectional view of a main part of the vacuum cleaner.

FIG. 8 is a side sectional view of a main part of a vacuum cleaner showing a fourth embodiment of the present invention.

FIG. 9 is a sectional side view of a main part of the vacuum cleaner.

FIG. 10 is a sectional side view of a main part of a vacuum cleaner showing a fifth embodiment of the present invention.

FIG. 11 is a side sectional view of a main part of a vacuum cleaner showing a sixth embodiment of the present invention.

FIG. 12 is a partial side sectional view of a conventional vacuum cleaner.

FIG. 13 is a partial side sectional view of another conventional vacuum cleaner.

FIG. 14 is a partial perspective view of the vacuum cleaner.

FIG. 15 is a plan view of another conventional vacuum cleaner without a dust collection chamber lid.

FIG. 16 is a side sectional view of the electric vacuum cleaner.

[Explanation of symbols]

 52 Dust collection chamber 61 Dust collection chamber lid 63 Check valve 64 Front wall 65 Intake port 73 Dust collection bag 74 Core 76 Positioning rib 77 Lower guiding rib 78 Pressing rib 79 Upper guiding rib 80 Contact part 86 Claw 88 Support rib 88A Lower side 88B Upper side 90 Support body 92 Core contact part

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yasushi Kondo 1006 Kadoma, Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. 72) Inventor Yoshihiro Taniguchi 1006 Kadoma, Kadoma, Osaka Pref. Matsushita Electric Industrial Co., Ltd. F term (reference) 3B062 AB39 AC05 AD03 AD12 AD16 AD32

Claims (7)

[Claims] 1. A motor chamber in which a motor is provided, a dust collecting bag having a mouth core for collecting sucked dust, and a dust collecting chamber for detachably storing the dust collecting bag. An air inlet provided in a front wall of the dust collecting chamber, and a dust collecting chamber cover that covers the dust collecting chamber so as to be openable and closable. An electric vacuum cleaner, wherein the urging is performed so as to bring the mouth into close contact, and the urging is released when the dust collection chamber lid is opened. 2. A motor chamber having a motor, a dust collection bag having a mouth core and for collecting sucked dust, a dust collection chamber for detachably storing the dust collection bag, and a front part of the dust collection chamber. The center of the mouth between a positioning rib formed of an intake port provided on a wall and a dust collection chamber lid that opens and closes the dust collection chamber so that the dust collection chamber can be opened and closed, and having an inclined portion formed on the lower surface of the dust collection chamber. Holding the lower part and holding the mouth core at a fixed inclination angle with respect to the lower surface of the dust collection chamber,
A rib that has an inclined portion that comes into contact with the upper end of the mouth core during the closing operation to move the upper portion of the mouth toward the intake port and that biases and holds the rear surface and the upper surface of the mouth portion toward the intake port when closed. An electric vacuum cleaner formed on the dust collection chamber lid. 3. A motor chamber having a motor, a dust collecting bag having a mouth core and for collecting sucked dust, a dust collecting chamber for detachably storing the dust collecting bag, and a front part of the dust collecting chamber. The center of the mouth between a positioning rib formed of an intake port provided on a wall and a dust collection chamber lid that opens and closes the dust collection chamber so that the dust collection chamber can be opened and closed, and having an inclined portion formed on the lower surface of the dust collection chamber. Holding the lower part and holding the mouth core at a fixed inclination angle with respect to the lower surface of the dust collection chamber,
A rib that has an inclined portion that comes into contact with the upper end of the mouth core during the closing operation to move the upper portion of the mouth toward the intake port and that biases and holds the rear surface and the upper surface of the mouth portion toward the intake port when closed. A support body formed on the dust collection chamber lid, rotatably supported above the front wall, biased by a spring, and having a claw for hooking and holding the upper part of the mouth is provided. An electric vacuum cleaner characterized by the above. 4. A motor chamber having a motor, a dust collecting bag having a mouth core for collecting sucked dust, a dust collecting chamber for detachably storing the dust collecting bag, and a front portion of the dust collecting chamber. The center of the mouth between a positioning rib formed of an intake port provided on a wall and a dust collection chamber lid that opens and closes the dust collection chamber so that the dust collection chamber can be opened and closed, and having an inclined portion formed on the lower surface of the dust collection chamber. Holding the lower part and holding the mouth core at a fixed inclination angle with respect to the lower surface of the dust collection chamber,
A rib that has an inclined portion that comes into contact with the upper end of the mouth core during the closing operation to move the upper portion of the mouth toward the intake port and that biases and holds the rear surface and the upper surface of the mouth portion toward the intake port when closed. A vacuum cleaner, wherein a support rib formed on the dust collection chamber lid and supporting an upper rear portion of the mouth is disposed near both sides of the mouth. 5. The vacuum cleaner according to claim 4, wherein the lower side of the support rib is formed more rearward than the upper side. 6. The air conditioner according to claim 1, wherein an upper portion of the front wall and the upper portion of the intake port are formed to be inclined more outward than a lower portion.
Vacuum cleaner as described. 7. A support that is rotatable about a rotation axis is disposed above a dust collection chamber side of a wall of a dust collection chamber having an intake port, and the support forms an intake port. A mouth contact portion, which protrudes toward the dust collection chamber side from the front wall of the dust collection chamber and is urged to abut the mouth core by an elastic body such as a spring,
The vacuum cleaner according to claim 4, wherein the mouth contact portion is disposed below the upper end of the support rib and in contact with the mouth.