JPH11113810A - Vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vacuum cleaner whose hose does not rub a floor surface and does not slip out at floor surface cleaning time by arranging a holding means which holds the hose and is composed of a pair of left and right protective walls projecting from a main body, in the main body of the vacuum cleaner. SOLUTION: A main body 1 of this vertical type vacuum cleaner has a sucking tool 2 in a lower part, and a connecting pipe 4 on the lower end of a hose 3 projecting from the back face side of the main body 1 is connected to a connecting part of this sucking tool 2. In this case, a protective wall 5 to hold the hose 3 is arranged on a back face of the main body 1. This protective wall 5 is composed of a pair of walls 5a and 5b, and the respective walls 5a and 5b project to the back face side of the main body 1, and its projecting height exceeds the center of the hose 3, and a part going over the center of the hose 3 is curved to the hose 3 side. Therefore, a lateral distance A on the upper end of the walls 5a and 5b is formed smaller than a hose diameter B. When the connecting pipe 4 is installed in the connecting part of the sucking tool 2, the hose 3 is pushed in a clearance of the protective wall 5, and is fixed to a back face of the main body 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suction device attached to a main body for cleaning a floor surface, and a hose connecting the suction device and a dust collecting chamber side of the main body outside the main body. The present invention relates to a vacuum cleaner having a detachable connection portion with the vacuum cleaner.

[0002]

2. Description of the Related Art FIG. 13 is a perspective view of a vacuum cleaner disclosed in Japanese Patent Application Laid-Open No. 6-209881 as viewed from the back, and FIG. 14 is a side view of a main body thereof. The vacuum cleaner disclosed in the publication mainly has a main body 1 and a suction tool 2 rotatably attached to a lower end of a suction tool connecting pipe 18 provided on a lower rear side of the main body 1. A connection portion 19 is provided on the upper end side of the suction tool connection pipe 18. An electric blower 10 is installed at a lower portion inside the main body 1, and a dust collecting chamber 11 is formed above the electric blower 10, and a dust bag 12 is attached to the main body 1 via a sealing member 17 in the dust collecting chamber 11. is set up. Further, a connecting member 16 fixed to the back side of the main body 1 is connected to the seal member 17, and the connecting member 16 and the connecting portion 19 are connected by the flexible hose 3. The hose 3 has a connecting pipe 4 at the distal end, and the connecting pipe 4 is connected to the connecting portion 1.
9 is detachably connected. With the configuration described above, the space between the electric blower 10 and the suction tool 2 is a suction air passage, and the space between the electric blower 10 and the exhaust port 21 is an exhaust air passage.

In the vacuum cleaner constructed as described above, when cleaning the floor surface with the suction tool 2, the connecting pipe 4 is used in a state of being connected to the connecting portion 19, and cleaning is performed at a high place. In this case, the connection pipe 4 is detached from the connection portion 19 before use.

[0004]

In the vacuum cleaner of the prior art, the main body 1 is used together with the handle 7 when cleaning the floor, as shown in FIG. There was a possibility that the hose 3 sagged in the floor direction due to its own weight. Therefore, the hose 3 rubs the floor,
There has been a problem that the hose 3 may be worn or the floor surface may be damaged, and the running of the suction tool 2 may be reduced. Further, if there is a vibration during cleaning or an impact due to the suction tool 2 hitting an object, the connection pipe 4 may come off from the connection portion 19, so that there is a possibility that the suction from the suction tool 2 cannot be performed.

The present invention has been made to solve such a problem, and an object of the present invention is to provide a vacuum cleaner in which a hose does not rub or come off the floor surface during floor cleaning.

[0006]

According to the present invention, there is provided a vacuum cleaner having a main body having a dust collecting chamber therein, a suction device attached to the main body for cleaning a floor surface, and a collection of the suction device and the main body. A hose for connecting the dust chamber side to the outside of the main body, and a holding means for holding the hose in the main body, wherein the connection part between the hose and the suction tool is detachable. It is a thing.

The holding means is provided on the left and right sides of the hose and comprises a protection wall projecting above the center position of the hose when the hose is held, and the distance between the tips of the left and right protection walls is determined by the diameter of the hose. Is also set small.

Further, the holding means is provided on the left and right sides of the hose, and is constituted by a protection wall projecting above the center position of the hose when the hose is held, wherein the distance between the tips of the left and right protection walls is greater than the diameter of the hose. While setting it long,
A support is provided on the inner surface of the protection wall, and the hose is held by the support.

Further, the support provided on the inner surface of the protective wall is constituted by a plurality of projections arranged in the longitudinal direction of the protective wall.

Further, a guide which is inclined inward is provided at the tip of the protection wall or the support portion provided on the inner surface of the protection wall.

Further, the connection between the hose and the suction tool has an insertion structure, and the connection portion is bent at an obtuse angle with respect to the hose in a state where the hose and the suction tool are connected.

[0012] Further, there is provided a detecting means for detecting the hose held by the holding means, and the operation is controlled based on a detection signal of the detecting means.

[0013] Further, in the operation stop state, the operation is started when the disconnection of the hose is detected by the detection signal of the detection means.

Further, when it is detected that the hose has been disconnected by the detection signal of the detection means, the operation is switched to the suppression operation circuit.

Further, there is provided a detecting means for detecting the hose held by the holding means, and when the detecting means detects that the hose has been removed, a part of the intake air passage is opened.

Further, the detecting means is constituted by an optical device.

Further, a reinforcing wall extending from the back surface of the main body to the protective wall is provided.

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1 FIG. FIG. 1 is a side view of a vertical vacuum cleaner according to Embodiment 1 of the present invention. As shown in FIG.
The main body 1 has a vertically long shape, and has a suction tool 2 at a lower portion separately from the main body 1. A hose 3 is provided between the suction tool 2 and the main body 1 in a bare state as a suction air passage. In the first embodiment, the upper end of the hose 3 is fixed by protruding from the center portion on the back side of the main body 1,
A connection pipe 4 that can be attached to and detached from a connection portion 19 described below is connected to a lower end.

On the back of the main body 1, a protective wall 5 for holding the hose 3 is provided. An openable / closable or detachable lid 6 is provided on a part of the front surface of the main body, and a rotatable handle 7 is provided on the upper part of the main body. Further, the main body 1 is provided with a power cord 9 and the handle 7 is provided with a power switch 8 also serving as a suction force control device.

FIG. 2 is a sectional view of the vacuum cleaner shown in FIG. The internal structure of the vacuum cleaner will be described with reference to FIG. An electric blower 10 is fixed to a lower portion inside the main body 1, and a dust collection chamber 11 is provided immediately upstream of the electric blower 10, and is shut off from outside air by a lid 6. The dust collecting chamber 11 has a flat backing 1
A dust collection bag 12 having a plurality 3 is detachably mounted.
The mount 13 is fixed by a latch 15 constantly pressed in one direction by the force of a spring 14. The upper end of the hose 3 is connected to a connecting member 16, which has an air intake hole and is fixed to the main body 1.
Is installed inside the main body 1 in a state of contact with the main body 1.

The suction tool 2 is provided with a suction tool connecting pipe 18 which forms a part of an air passage, and is rotatable.
The air passage between the main body 1 and the suction tool 2 is connected by connecting the 8 to the connecting portion 19 fixed to the main body 1. The connection pipe 4 at the distal end of the hose 3 is detachably connected to the upper end of the connection portion 19, and forms a negative pressure air passage from the suction port 20 provided on the bottom surface of the suction tool 2 to the electric blower 10. ing. Further, an exhaust port 21 is provided at a place other than the negative pressure air path of the main body 1, and an exhaust air path is formed between the main body 1 and the electric blower 10. In addition, the handle 7 is provided on the upper part of the main body 1.
A rotating shaft 22 is provided for rotatably connecting the main body 1 to the main body 1.

FIG. 3 is a partial sectional view of the protection wall 5 cut horizontally. The protective wall 5 is composed of a pair of walls 5a, 5b extending in the vertical direction of the main body 1 on the back side of the main body 1 with the hose 3 interposed therebetween, and each of the walls 5a, 5b has elasticity. The walls 5a and 5b protrude toward the rear side of the main body 1, and the height of the protrusion exceeds the center of the hose 3, and the portion beyond the center of the hose 3 is curved toward the hose 3. The left and right distances A at the upper ends of the walls 5a and 5b
However, it is configured to be smaller than the hose diameter B.

Next, the operation of the vacuum cleaner configured as described above will be described. In the vacuum cleaner according to this embodiment, when the connecting pipe 4 is detached from the connecting pipe 19 as shown in FIG. 4, the air passage formed by the suction port 2 and the connecting pipe 19 is cut off from the connecting pipe 4, and Is the suction port. When the connection pipe 4 is used as a suction port, a suction tool for each application such as the nozzle 24 can be connected. By the way, when connecting pipe 4 is detached from connecting pipe 19 and used, connecting pipe 4 is connected to connecting pipe 19.
However, when the connection pipe 4 is pulled out, the hose 3 operates following the connection pipe 4, and the hose 3 tries to escape from the gap at the tip end side of the protective wall 5. At this time, the distance A between the tips of the walls 5 a and 5 b is pushed up to the diameter B of the hose 3. When the hose 3 passes between the tips of the walls 5a and 5b, the protective wall 5 is restored by the elastic force, and the distance between the tips of the walls 5a and 5b returns to A.

On the other hand, when the connecting pipe 4 is mounted on the connecting pipe 19, the hose 3 is pushed into the gap of the protective wall 5 to be fixed to the back of the main body 1 as shown in FIG. At this time, the hose 3 is held by the elastic force of the protective wall 5, and the hose 3 does not come off from the back surface of the main body 1 unless the hose 3 is intentionally detached after mounting.

With the above configuration, even when the main body 1 is used in an inclined state during cleaning, the hose 3 is held by the protective wall 5, so the hose 3 sags and the hose 3 rubs the floor surface. There is no damage to the floor or wear of the hose 3 itself. Further, the hose 3 is held by the protective wall 5 and does not hang around, and no force acts in a direction in which the connecting pipe 4 and the connecting pipe 19 are separated, so there is no danger that the connecting pipe 4 will come off during cleaning. Therefore, the air intake path is not interrupted during the cleaning, and can be used with confidence.

Embodiment 2 FIG. FIG. 5 is an explanatory view of Embodiment 2 of the present invention, and is a partial cross-sectional view of the protection wall 5 cut horizontally. In the second embodiment, the protective wall 5 is provided on a rear surface of the main body 1 at a predetermined distance.
A supporting portion 2 is formed of a plurality of walls 5a and 5b, and is provided at a distal end side of the walls 5a and 5b to prevent the hose 3 from coming off.
3a and 23b are provided. The gap A between the tips of the walls 5a and 5b is set to be larger than the diameter B of the hose 3, and the gap C between the supports 23a and 23b is set to be smaller than the diameter B of the hose 3.

In the present embodiment configured as described above, when the hose 3 is attached or detached, the gap C between the support portions 23a and 23b expands up to the diameter B of the hose 3 and the hose 3 passes through. Is completed, the protective wall 5 is restored by the elastic force and returns to the original position. Therefore, the same effect as in the first embodiment can be obtained. In the case of the first embodiment, the walls 5a,
Since the tip of 5b is curved inward, when pushing in the hose 3, each wall 5a, 5b may be pushed by the hose 3 and fall down toward the inner wall. However, since the protection wall 5 of the second embodiment has a configuration in which a pair of planes are arranged in parallel, when the hose 3 is mounted, the walls 5a and 5b are not pushed down by the hose 3 and fall down toward the inner wall. Hose 3
Does not deform the protective wall 5 due to the pressing force.

In the above description, the support portions 23a and 23b are provided on both the walls 5a and 5b, and the support portions 23a and 23b are provided.
The gap C between the supporting portions b is smaller than the diameter B of the hose 3. However, a supporting portion is provided only on one of the walls 5a and 5b.
May be smaller than the diameter B.

In the above description, an example was shown in which the walls 5a, 5b were erected on the main body 1. However, the distance between the base ends of the walls 5a, 5b was made shorter than that on the front end, so that the two walls 5a, 5b were made shorter. , 5
If b is shaped like a letter C, only a force spreading toward the outer wall acts on the protective wall 5 when the hose 3 is attached, and the effect is further enhanced.

Embodiment 3 FIG. 6 is an explanatory view of the third embodiment of the present invention, and shows a back surface near the protection wall 5.
In the third embodiment, a plurality of projections 23a, 23b, 23c are provided on the inner wall side of the protection wall 5 in the vertical direction of the protection wall 5. With this configuration, when the connection pipe 4 is pulled out when the hose 3 is removed, the lower protrusion 23a
The hose 3 comes off in order from the projection 23b to the projection 23c.

For this reason, even when the connecting pipe 4 is pulled out with an excessive force, the force for detaching the hose 3 is not reduced by the plurality of projections 2.
Since the bellows 3a, 23b, and 23c are dispersed and relaxed, the bellows of the hose 3 does not come into contact with the peripheral edge of the opening 24 so that the bellows is not damaged. Further, even if some of the plurality of projections 23a, 23b, and 23c may be worn or deformed, the function of holding the hose 3 is not impaired if only one set remains and the product life is extended. Become.

Although FIG. 6 shows an example in which three sets of projections are provided, two sets or four or more sets may be used. Also,
It is not necessary to make the projections installed on both walls face each other, and they may be installed alternately.

Embodiment 4 FIG. FIG. 7 is an explanatory view of Embodiment 4 of the present invention, and shows a partial cross section of the protective wall 5 cut in the horizontal direction. In the fourth embodiment, a guide 25 that is inclined inward from the distal end side is provided at the distal end of the support portion 23 or the protective wall 5. With such a configuration, when the hose 3 is to be mounted on the protective wall 5, the guide 25 comes into contact with the hose 3 and the hose 3 is carried to the hose storage portion 26 so as to slide. 3 can be attached to the hose storage section 26 without any difficulty. Also, there is no need to worry about damaging the hose 3 because it is in contact with the surface. Note that the guide 25 is formed by the projection 23 shown in the fourth embodiment.
a, 23b, and 23c.

Embodiment 5 FIG. 8 is an explanatory view of Embodiment 5 of the present invention, and shows a state in which the hose 3 is mounted on the protective wall 5 and the connecting pipe 4 is mounted on the connecting pipe 19. In the fifth embodiment, the connection pipe 4 forms an obtuse angle D with respect to the hose 3 when the hose 3 is mounted. With this configuration, when the connection pipe 4 is pulled out from the connection pipe 19 in the direction E in the drawing and removed, as shown in FIG.
The force acts in the direction, and the hose 3 fixed to the protection wall 5 comes off from the lower side of the protection wall 5.
In this manner, the hose 3 can be easily removed from the protective wall 5 even if the user does not intend to remove the hose 3 from the protective wall 5. That is, the hose 3 can be simultaneously removed from the protective wall 5 by a single operation of pulling out the connection pipe 4.

Embodiment 6 FIG. FIG. 10 is an explanatory view of Embodiment 6 of the present invention, and shows a partial cross section of the protective wall 5 cut in the horizontal direction. In the sixth embodiment, the hose storage unit 2 surrounded by the back surface of the main body 1 and the inner surface of the protective wall 5
6 and a movable button 27 protruding therefrom,
Is provided, and the operation of the cleaner is controlled based on the detection signal of the detection device 28.

First, the operation of the button 27 and the detecting device 28 will be described. As shown in FIG. 10, when the hose 3 is not mounted on the hose storage section 26, the button 27 is projected into the hose storage section 26. As shown in FIG.
Is attached to the hose storage section 26, the button 27 is pushed by the hose 3 and moves. When the button 27 moves, the detection device 28 detects the operation and outputs a detection signal to a control unit (not shown).

The control method in the control unit will be described. First, this control is limited to the operation when the power switch 8 is OFF. Assuming this, when the hose 3 is detached from the main body 1, that is, in the state of FIG. 10, no detection signal is output, and at this time, the control unit drives the electric blower 10. As a result, even if the power is off, cleaning can be performed immediately after the power is turned on simply by removing the hose 3.
When the hose 3 is mounted on the protective wall 5, that is, in the state shown in FIG. 11, a detection signal is output, and the control unit stops the electric blower 10.

With the above arrangement, even when the power switch 8 is turned off, cleaning can be performed simply by removing the hose 3, which is convenient.

Embodiment 7 Before describing the configuration of the seventh embodiment, problems to be solved by the seventh embodiment will be described. In the conventional vacuum cleaner, when the hose 3 is detached and the nozzle 24 is connected to the connection pipe 4 as shown in FIG. 4, when the nozzle 24 has a narrow end, the suction force is reduced. If not adjusted, the sound will be loud or the electric blower 10 will be overheated, so the blower has been used while adjusting the suction force. If the temperature is not adjusted, the over-temperature protection device may be activated to make cleaning impossible for a while.

In order to solve the above-mentioned problem, in the seventh embodiment, the button 27 and the detecting device 28 are arranged in the same manner as in the sixth embodiment, and a power switch is provided based on a detection signal of the detecting device 28. 8 and a circuit that controls the power to be constant low. That is, when the hose 3 is detached from the main body 1, that is, when the detection signal is not output, the circuit is switched to a circuit for controlling to a constant low power, and the rotation speed of the electric blower 10 is reduced. On the other hand, when the hose 3 is mounted, that is, when a detection signal is output, the circuit is controlled by the power switch 8 as usual.

With the above-described configuration, the optimum suction force can be obtained by simply removing the hose 3, and the trouble of adjusting the suction force one by one as in the related art is eliminated.

Embodiment 8 FIG. In the eighth embodiment, when the detecting device 28 detects that the hose 3 has come off from the hose housing portion 26, a part of the intake air passage is opened. With such a configuration, when the hose 3 is detached from the hose storage portion 26 and used, a part of the outside air or exhaust gas is taken in from the opening, the amount of air taken in from the connection pipe 4 is reduced, and the wind speed becomes low. In addition, the noise at the time of use such as the nozzle 24 can be made quiet, and the temperature of the electric blower 10 can be prevented from rising excessively.

Embodiment 9 In the ninth embodiment, a detection device 28 according to the configurations of the sixth, seventh, and eighth embodiments is used.
Is constituted by a pair of light receiving and emitting elements. That is,
The light receiving element detects whether light passes or not due to the operation of the button 27, and performs the same control as in the sixth, seventh, and eighth embodiments. Thus, the same effects as those of the sixth, seventh, and eighth embodiments can be obtained, and further, since the button 27 and the detection unit are not in contact with each other, it is possible to obtain an effect that a failure is less likely to occur.

Embodiment 10 FIG. FIG. 12 is an explanatory view of Embodiment 10 of the present invention, and shows a partial cross section of the protective wall 5 cut in the horizontal direction. In the tenth embodiment, a plurality of reinforcing walls 29 are provided at corners formed by the inner wall of the protective wall 5 and the main body 1.

The provision of the reinforcing wall 29 reinforces the protective wall 5 and the rear connecting portion where the main body 1 is divided into two parts 1a and 1b, thereby preventing the protective wall 5 and the rear surface of the main body 1 from being damaged. it can. When the detection device 28 and the button 27 are provided on the rear surface of the main body 1 as shown in FIG. 10, the detection device 28 and the button 27 may be damaged by the deformation of the rear surface of the main body 1; 29, the deformation of the rear connecting portion can be suppressed, and the detecting device 2
8. It is possible to prevent the breakage of the button 27 and the malfunction of the detection device 28.

[0046]

Since the present invention is configured as described above, it has the following effects.

By providing the holding means for holding the hose in the main body, it is possible to hold the hose connected to the suction tool and the dust collection chamber side of the main body. Is held by the holding means, so that the hose does not sag and the hose rubs against the floor surface to damage the floor surface and the hose itself does not wear. In addition, since the force in the direction of removing the hose does not work, the connection between the hose and the suction tool does not come off during cleaning, and the intake air path does not break, so it can be used with confidence. .

Further, the holding means is formed of a protective wall and the distance between the tips of the protective wall is set smaller than the diameter of the hose, so that the hose can be held and the hose can be protected.

Further, the holding means is constituted by a protective wall, the distance between the tips of the left and right protective walls is set to be longer than the diameter of the hose, and a supporting portion is provided on the inner surface of the protective wall, so that when the hose is mounted. Only the force spreading toward the outer wall acts on the protective wall, and the protective wall is not pushed or deformed or broken by the hose.

Further, since the supporting portion provided on the inner surface of the protective wall is constituted by a plurality of projections arranged in the longitudinal direction of the protective wall, when the hose is detached, the hose is sequentially detached from a portion near the connecting portion. Therefore, the hose will not come into contact with the main body and be damaged even if the hose is removed by applying excessive force. Further, even if some of the support portions are worn or deformed, the function of holding the hose is not impaired, and the product life is extended.

Further, since a guide inclined inward is provided at the tip of the protection wall or the support portion provided on the inner surface of the protection wall, the hose is guided when the hose is inserted between the protection walls, so that a smooth insertion is possible. Becomes possible.

Further, the connection between the hose and the suction tool has an insertion structure, and the connection portion is bent at an obtuse angle with respect to the hose in a state where the hose and the suction tool are connected, so that the hose is removed from the connection portion. Only because the hose comes off the protective wall, the hose can be easily detached from the protective wall even if the user does not intend to remove the hose from the protective wall, which is convenient.

Further, a detecting means for detecting the hose held by the holding means is provided, and the operation is controlled based on the detection signal of the detecting means. The appropriate operation can be performed accordingly.

In addition, since the operation is started when the disconnection of the hose is detected by the detection signal of the detection means in the operation stop state, the cleaning can be started only by removing the hose from the holding means. This is convenient because there is no need to operate the operation switch again.

Further, by switching to the suppression operation circuit when the disconnection of the hose is detected by the detection signal of the detection means, the suppression operation can be started only by removing the hose from the holding means, This is convenient because it is not necessary to adjust the suction amount again.

[0056] In addition, there is provided a detecting means for detecting the hose held by the holding means, and when the detecting means detects that the hose has been removed, a part of the intake air passage is opened. The suction amount from the hose can be reduced simply by removing the suction from the holding means, and there is no need to adjust the suction amount again, which is convenient.

Further, since the detecting means is constituted by an optical device, mechanical contact can be eliminated and troubles can be reduced.

Further, by providing a reinforcing wall extending from the rear surface of the main body to the protective wall, the protective wall formed only of the thickness is reinforced, and the connecting portion of the rear surface of the main body is reinforced. Damage can be prevented. Further, in the case where the detection means is provided on the back surface of the main body, the detection means can be prevented from being damaged due to the deformation of the back surface of the main body, and the occurrence of the detection malfunction can be prevented.

[Brief description of the drawings]

FIG. 1 is a side view showing an overall configuration of a vacuum cleaner according to Embodiment 1 of the present invention.

FIG. 2 is a side cross-sectional view showing the entire configuration of the vacuum cleaner according to Embodiment 1 of the present invention.

FIG. 3 is a partial cross-sectional view of the protection wall according to Embodiment 1 of the present invention.

FIG. 4 is an explanatory diagram illustrating an operation of the first embodiment of the present invention.

FIG. 5 is a partial cross-sectional view of a protection wall according to Embodiment 2 of the present invention.

FIG. 6 is a rear view of the vacuum cleaner according to Embodiment 3 of the present invention.

FIG. 7 is a partial cross-sectional view of a protection wall according to Embodiment 4 of the present invention.

FIG. 8 is a side view of a vacuum cleaner according to Embodiment 5 of the present invention.

FIG. 9 is an explanatory diagram illustrating the operation of the vacuum cleaner according to Embodiment 5 of the present invention.

FIG. 10 is a partial sectional view of a protection wall according to a sixth embodiment of the present invention.

FIG. 11 is a partial cross-sectional view illustrating a state where a hose is mounted on a protective wall according to Embodiment 6 of the present invention.

FIG. 12 is a partial cross-sectional view of a protection wall according to a tenth embodiment of the present invention.

FIG. 13 is an overall perspective view of a conventional vacuum cleaner viewed from the back.

FIG. 14 is a partial side view of a conventional vacuum cleaner.

FIG. 15 is a side view illustrating a usage state of a conventional vacuum cleaner.

[Explanation of symbols]

1 body, 2 suction tools, 3 hoses, 4 connection pipes, 5
Protection wall, 8 power switch, 11 dust collection chamber, 23 support, 25 guide, 27 button, 28 detection device,
29 ribs.

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Koji Sakamu 29-4 Kume, Iida City, Nagano Prefecture Shinryo Electric Co., Ltd. (72) Inventor Hidefumi Kubota 29-4 Kume, Iida City, Nagano Prefecture Shinryo Electric Co., Ltd.

Claims (12)

[Claims] 1. A main body having a dust collecting chamber inside, a suction device attached to the main body for cleaning a floor surface, and connecting the suction device and the dust collecting chamber side of the main body outside the main body. A vacuum cleaner, comprising: a hose; and a detachable connection part between the hose and the suction tool, wherein the main body is provided with holding means for holding the hose. 2. The holding means is disposed on the left and right of the hose,
2. The electric cleaning device according to claim 1, wherein the hose is formed of a protective wall projecting above a center position of the hose in a holding state, and a distance between tips of the left and right protective walls is set smaller than a diameter of the hose. Machine. 3. The holding means is disposed on the left and right sides of the hose,
In the holding state of the hose, it is constituted by a protective wall projecting above the center position of the hose, the distance between the tips of the left and right protective walls is set longer than the diameter of the hose, and a support is provided on the inner surface of the protective wall. The vacuum cleaner according to claim 1, wherein the hose is held by a support portion. 4. The vacuum cleaner according to claim 3, wherein the support provided on the inner surface of the protection wall is constituted by a plurality of protrusions arranged in a longitudinal direction of the protection wall. 5. The vacuum cleaner according to claim 1, wherein an inwardly inclined guide is provided at a tip of the protection wall or a support portion provided on the inner surface of the protection wall. 6. A connection structure between a hose and a suction tool having an insertion structure, wherein the connection portion is bent at an obtuse angle with respect to the hose when the hose and the suction tool are connected. 6. The vacuum cleaner according to any one of 5. 7. The apparatus according to claim 1, further comprising a detecting means for detecting the hose held by the holding means, and controlling the operation based on a detection signal of the detecting means.
The vacuum cleaner according to any one of the above. 8. The vacuum cleaner according to claim 7, wherein the operation is started when the hose is detached by a detection signal of the detection means in the operation stop state. 9. The vacuum cleaner according to claim 7, wherein when the detection means detects that the hose has been disconnected, the detection means switches to a suppression operation circuit. 10. A detecting means for detecting a hose held by the holding means, wherein when the detecting means detects that the hose has been removed, a part of the intake air passage is opened. The vacuum cleaner according to claim 7 or 8, wherein 11. The vacuum cleaner according to claim 7, wherein the detecting means is constituted by an optical device. 12. The vacuum cleaner according to claim 1, further comprising a reinforcing wall extending from a back surface of the main body to the protection wall.