JPH08266452A - Vacuum cleaner - Google Patents

Abstract

PURPOSE: To reduce the fatigue of a hose member and improve the durability thereof by attaching a protector having the length longer than the diameter of the hose member covering the outer periphery of the hose member to the hose member side of a first cover covering the overlapping portion of the hose member of a movable hose and an intake port side connecting member. CONSTITUTION: A movable hose having one end connected to an intake port of a cleaner body and the other end connected to an extension pip has a body side connecting member connected to one end of a bellows-like hose member 5 wound spirally by a steel wire 4 and an at-hand side connecting member 7 connected to the other end. The movable hose has a one end attached to a cover 12 by the engagement of a locking rib 11 of the hose mounting pipe 9 with an engagement part. This cover 12 covers the overlapping portion of the hose mounting pipe 9 and hose member 5 through a gap between the hose members 5. Then, a protector 14 having a locking groove 15 engaging with an engaging claw 13 of the cover 12 and having the axial length longer than the diameter of the hose member 5 is forced between the hose member 5 and the cover 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner,
Especially it relates to the improvement of the hose.

[0002]

2. Description of the Related Art A conventional technique will be described with reference to FIGS. Conventionally, as shown in FIG. 4, a hose 21 of an electric vacuum cleaner is used.
Is connected to both ends of the flexible bellows-shaped hose 22 by connecting members 2
3 and 24 are connected, and the cleaner body 2 is connected via the body-side connecting member 23.
5 is connected to the suction port 26, but in the cleaning state shown in FIG. 6, when the cleaner body 25 is caught on a step such as a sill, the hose 21 is pulled to clean the cleaner body 25.
When the bellows-shaped hose 22 is pulled up, the bellows-shaped hose 22 is abruptly bent under a large load at the end of the overlapping portion with the connecting members 23, 23, that is, the connecting members 23, 24, and if such an operation is repeated. The bellows-shaped hose 22 may be damaged.

Further, when the user lifts the proximal side of the hose 21, the bellows-shaped hose 22 is lowered, so that the bellows-shaped hose 22 and the proximal-side connecting member 24 are in the vicinity of the overlapping portion on the proximal side of the bellows-shaped hose 22. Is bent at a steep angle, and when the suction tool 27 is moved back and forth during cleaning, when the suction tool 27 is pulled toward the user side, the vicinity of the overlapping portion on the proximal side of the bellows-shaped hose 22 is further bent at a steep angle. . As shown in FIG. 4, since the dimension of the cover 28 covering the overlapping portion of the bellows-shaped hose 22 and the connecting member 24 is substantially equal to the overlapping margin of the bellows-shaped hose 22 and the connecting member 24, the bellows-shaped hose 22 is connected to the connecting member. There is a problem that it sharply bends around the end of 24 as a fulcrum, and the vicinity of the overlapping portion on the proximal side of the bellows-shaped hose 22 becomes fatigued and broken.

Further, in recent years, when storing an electric vacuum cleaner,
As shown in FIG. 7, the cleaner body 25 is held in an upright state, and the hose 21, the extension pipe 29, etc. are connected to the cleaner body 25, and the locking portion 30 provided on the extension pipe 29 is attached to the cleaner body 25.
In this storage state, since the vicinity of the overlapping portion on the proximal side of the bellows-shaped hose 22 is held by the body bent at a steep angle in the stored state, the vicinity of the overlapping portion on the proximal side is held. Has a problem of fatigue and damage.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above drawbacks, and it is an object of the present invention to provide an electric vacuum cleaner capable of preventing damage to a hose.

[0006]

The first means of the present invention is to:
A cleaner body having a suction port formed in the front, a flexible hose having one end detachably connected to the suction port and an extension pipe connected to the other end, and a floor attached to the other end side of the extension pipe A suction hose, and the flexible hose connects the first connection member connected to the suction port, the second connection member connected to the extension pipe, and the first and second connection members. A flexible hose member, a first cover attached to the first connecting member, covering a overlapping portion of the hose member and the first connecting member, and attached to the second connecting member, 2 a connecting member and a second cover which covers the overlapping portion, and a protector which covers the outer periphery of the hose member is attached to the hose member side of the first cover, and the axial length of the protector is set to the hose member side. Characterized by having a diameter of at least To.

The second means of the present invention is characterized in that a protector covering the outer circumference of the hose member is mounted on the hose member side of the first cover, and the protector is made more flexible than the flexibility of the first cover. And

According to a third aspect of the present invention, a protector covering the outer circumference of the hose member is attached to the hose member side of the first cover, and the flexibility of the protector is larger than that of the first cover. It is characterized in that it is formed smaller than the flexibility of.

According to a fourth aspect of the present invention, a protector covering the outer periphery of the hose member is attached to the hose member side of the first cover, and the flexibility of the protector is gradually increased as the distance from the first cover increases. Characterize.

A fifth means of the present invention is characterized in that a protector for covering the outer circumference of the hose member is mounted on the hose member side of the first cover, and the protector is formed with a plurality of elongated holes in the circumferential direction.

A sixth means of the present invention is characterized in that a protector covering the outer circumference of the hose member is mounted on the hose member side of the first cover, and the protector is made of a highly flexible material.

A seventh means of the present invention is characterized in that a protector is provided, one end of which is inserted and engaged between the first cover and the hose member and covers the outer circumference of the hose member.

The eighth means of the present invention comprises a hose member and a first member.
The present invention is characterized in that a protector is provided, which is attached to the connecting member so as to overlap with the connecting member and covers the outer circumference of the hose member.

The ninth means of the present invention is characterized in that a protector covering the outer circumference of the hose member is mounted on the hose member side of the second cover, and the axial length of the protector is made equal to or larger than the diameter of the hose member. .

The tenth means of the present invention is characterized in that a protector covering the outer circumference of the hose member is mounted on the hose member side of the second cover, and the protector is made more flexible than the second cover. And

According to an eleventh means of the present invention, a protector covering the outer circumference of the hose member is mounted on the hose member side of the second cover, and the flexibility of the protector is larger than that of the second cover. It is characterized in that it is formed smaller than the flexibility of.

According to a twelfth means of the present invention, a protector covering the outer circumference of the hose member is attached to the hose member side of the second cover, and the flexibility of the protector is gradually increased as the distance from the second cover increases. Characterize.

A thirteenth means of the present invention is characterized in that a protector for covering the outer circumference of the hose member is attached to the hose member side of the second cover, and the protector is formed with a plurality of elongated holes in the circumferential direction.

A fourteenth means of the present invention is characterized in that a protector covering the outer circumference of the hose member is mounted on the hose member side of the second cover, and the protector is made of a highly flexible material.

The fifteenth means of the present invention is characterized in that a protector is provided, one end of which is inserted and engaged between the second cover and the hose member and covers the outer circumference of the hose member.

The sixteenth means of the present invention is characterized in that a protector is provided which is attached to the overlapping portion of the hose member and the second connecting member in a superposed manner and covers the outer circumference of the hose member.

[0022]

According to the first means of the present invention, at the time of cleaning, when the cleaner body is caught on a step such as a sill, the hose is pulled in a direction other than the traveling direction of the cleaner body to pull the cleaner body closer. If the first hose is on the cleaner body side
In the overlapping portion of the connection member and the hose member, the hose member tries to bend at an acute angle from the end of the first connection member, but the protector reinforces the hose member and protects the hose member. By making the length of the protector equal to or larger than the diameter of the hose member, the radius of curvature of the hose member becomes large and fatigue of the hose member is reduced, durability is improved, and the hose member bends to narrow the air flow path. Is prevented.

According to the second means of the present invention, during cleaning,
When the vacuum cleaner body is caught on a step such as a sill, and when the vacuum cleaner body is pulled by pulling the hose in a direction other than the traveling direction of the vacuum cleaner body, the hose member on the cleaner body side of the hose is Although it tries to bend at a sharp angle from the end of the connection member, the protector reinforces the hose member, the hose member becomes a gentle bend, the hose member is protected, and the hose member bends to form an air flow path. It is prevented from narrowing.

According to the third means of the present invention, during cleaning,
When the vacuum cleaner body is caught on a step such as a sill, and when the vacuum cleaner body is pulled by pulling the hose in a direction other than the traveling direction of the vacuum cleaner body, the hose member on the cleaner body side of the hose is Although it tries to bend at a sharp angle from the end of the connection member, the protector reinforces the hose member, the hose member becomes a gentle bend, the hose member is protected, and the hose member bends to form an air flow path. It is prevented from narrowing.

According to the fourth means of the present invention, during cleaning,
When the vacuum cleaner body is caught on a step such as a sill, and when the vacuum cleaner body is pulled by pulling the hose in a direction other than the traveling direction of the vacuum cleaner body, the hose member on the cleaner body side of the hose is Although it tries to bend at a sharp angle from the end of the connection member, the protector reinforces the hose member, the hose member becomes a gentle bend, the hose member is protected, and the hose member bends to form an air flow path. It is prevented from narrowing. Further, since the flexibility of the protector is gradually increased as it is separated from the first cover, the hose member is prevented from being bent at a sharp angle at the end of the protector, and the durability of the hose member is improved.

According to the fifth means of the present invention, during cleaning,
When the vacuum cleaner body is caught on a step such as a sill, and when the vacuum cleaner body is pulled by pulling the hose in a direction other than the traveling direction of the vacuum cleaner body, the hose member on the cleaner body side of the hose is Although it tries to bend at a sharp angle from the end of the connection member, the protector reinforces the hose member, the hose member becomes a gentle bend, the hose member is protected, and the hose member bends to form an air flow path. It is prevented from narrowing.

According to the sixth means of the present invention, during cleaning,
When the vacuum cleaner body is caught on a step such as a sill, and when the vacuum cleaner body is pulled by pulling the hose in a direction other than the traveling direction of the vacuum cleaner body, the hose member on the cleaner body side of the hose is Although it tries to bend at a sharp angle from the end of the connection member, the protector reinforces the hose member, the hose member becomes a gentle bend, the hose member is protected, and the hose member bends to form an air flow path. It is prevented from narrowing.

According to the seventh means of the present invention, during cleaning,
When the vacuum cleaner body is caught on a step such as a sill, and when the vacuum cleaner body is pulled by pulling the hose in a direction other than the traveling direction of the vacuum cleaner body, the hose member on the cleaner body side of the hose is Although it tries to bend at a sharp angle from the end of the connection member, the protector reinforces the hose member, the hose member becomes a gentle bend, the hose member is protected, and the hose member bends to form an air flow path. It is prevented from narrowing. Also, the protector is the first
Since the cover and the hose member are inserted into and engaged with each other, the protector is prevented from being disengaged by inadvertently applying a force to the engaging portion of the protector.

According to the eighth means of the present invention, during cleaning,
When the vacuum cleaner body is caught on a step such as a sill, and when the vacuum cleaner body is pulled by pulling the hose in a direction other than the traveling direction of the vacuum cleaner body, the hose member on the cleaner body side of the hose is Although it tries to bend at a sharp angle from the end of the connection member, the protector reinforces the hose member, the hose member becomes a gentle bend, the hose member is protected, and the hose member bends to form an air flow path. It is prevented from narrowing. Further, since the protector is attached by being superposed on the overlapping portion of the hose member and the first connecting member, the strength of the connecting portion of the protector does not decrease and the hose member does not bend at the connecting portion of the protector. .

According to the ninth means of the present invention, when the cleaner main body is stored in the upright state, the second part which is the hand portion of the hose is used.
In the overlapping portion of the connection member and the hose member, the hose member tries to bend at a sharp angle from the end of the second connection member, but the protector reinforces the hose member and protects the hose member. By making the length of the protector the diameter of the hose member, the radius of curvature of the hose member is increased, the fatigue of the hose member is reduced, the durability is improved, and the hose member is bent and the air passage is narrowed. Is prevented.

According to the tenth means of the present invention, when the main body of the cleaner is stored in the upright state, the hose member tends to bend at a steep angle from the end of the second connecting member at the hand portion of the hose. The protector reinforces the hose member,
The hose member is protected and the hose member is prevented from bending and narrowing the air flow path.

According to the eleventh means of the present invention, when the main body of the cleaner is stored in the upright state, the hose member tends to bend at a steep angle from the end of the second connecting member at the hand portion of the hose. The protector reinforces the hose member,
The hose member is protected and the hose member is prevented from bending and narrowing the air flow path.

According to the twelfth means of the present invention, when the main body of the cleaner is stored in the upright state, the hose member tends to bend at a steep angle from the end of the second connecting member at the hand portion of the hose. The protector reinforces the hose member,
The hose member is protected and the hose member is prevented from bending and narrowing the air flow path. Further, since the flexibility of the protector is gradually increased as it is separated from the second cover, the hose member is prevented from being bent at a sharp angle at the end portion of the protector, and the durability of the hose member is improved.

According to the thirteenth means of the present invention, when the cleaner body is stored in the upright state, the hose member tends to bend at a sharp angle from the end of the second connecting member at the hand portion of the hose. The protector reinforces the hose member,
The hose member is protected and the hose member is prevented from bending and narrowing the air flow path.

According to the fourteenth means of the present invention, when the main body of the cleaner is stored in the upright state, the hose member tends to bend at a steep angle from the end of the second connecting member at the hand portion of the hose. The protector reinforces the hose member,
The hose member is protected and the hose member is prevented from bending and narrowing the air flow path.

According to the fifteenth means of the present invention, when the cleaner body is stored in the upright state, the hose member tends to bend at a sharp angle from the end of the second connecting member at the hand portion of the hose. The protector reinforces the hose member,
The hose member is protected and the hose member is prevented from bending and narrowing the air flow path. Further, since the protector is inserted and engaged between the second cover and the hose member, the protector will not be disengaged due to unintentional force being applied to the engaging portion of the protector.

According to the sixteenth means of the present invention, when the main body of the cleaner is stored in the upright state, the hose member tends to bend at a steep angle from the end of the second connecting member at the hand portion of the hose. The protector reinforces the hose member,
The hose member is protected and the hose member is prevented from bending and narrowing the air flow path. Further, since the protector is attached to the hose member and the second connecting member by being polymerized with each other, the strength of the connecting portion of the protector does not decrease and the hose member does not bend at the connecting portion of the protector. .

[0038]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described in detail below with reference to FIGS.

Reference numeral 1 denotes a cleaner body, which has a dust collecting chamber in the front and a blower chamber (neither is shown) having an electric blower in the rear, and communicates with the dust collecting chamber on the front of the cleaner body 1. A suction port 2 is formed.

Reference numeral 3 denotes a flexible hose, one end of which is connected to the suction port 2 of the cleaner body 1 and the other end of which is connected to an extension pipe 16 which will be described later. The flexible hose is a bellows shape in which a steel wire 4 is spirally wound. Of the hose member 5, a main body side connecting member 6 described later connected to one end of the hose member 5, and a hand side connecting member 7 described later connected to the other end of the hose member 5. In this embodiment, the hose member 5 has a diameter of 40 mm.

Reference numeral 6 denotes a body side connecting member which is detachably attached to one end of the hose member 5, that is, the suction port 2 of the cleaner body 1, and is sucked by a hook (not shown) provided in the body side connecting member 6. Prevents from slipping out of mouth 2. still,
Since the connection structure of the main body side connection member 6 and the hose member 5 is the same structure as the hand side connection member 7 described later, the description of the hand side connection member 7 will be used instead.

Numeral 7 is a hand side connecting member which is attached to the other end of the hose member 5, that is, the connecting side of the extension pipe 16, and is a joint pipe 8 connected to the extension pipe 16 and rotatably attached to the joint pipe 8. And a hose mounting tube 9 that is connected to the hose.

Reference numeral 10 denotes the hose member 5 of the hose mounting pipe 9.
By inserting the hose member 5 while twisting the hose member 5 along a spiral with the protrusion formed on the outer peripheral surface in the vicinity of the end on the connection side, the protrusion 10 is caught in the spiral of the hose member 5, and the hose member 5 is secured. It is adapted to be fixed to the hose mounting pipe 9.

Reference numeral 11 is a locking rib formed on the outer peripheral surface of the hose mounting tube 9 so that a cover 12, which will be described later, is engaged with the locking rib.

Reference numeral 12 has an engaging portion (not shown) which engages with the locking rib 11 of the hose mounting tube 9 at one end, and is attached to the hose mounting tube 9 by the engagement of the locking rib 11 and the engaging portion. The resin cover covers the overlapped portion of the hose mounting tube 9 and the hose member 5 with a gap between the hose member 5 and the hose member 5. Reference numeral 13 is a plurality of engaging claws formed on the inner surface of the other end of the cover 12, and is adapted to engage with a locking groove 15 of a protector 14 described later. The cover 12 is preferably formed of a resin such as ABS or polypropylene, and a polypropylene resin having high rigidity, less likely to undergo chemical change due to chemicals, etc., and strong against heat is optimal.

Reference numeral 14 denotes a protector having a locking groove 15 which engages with the engaging claw 13 of the cover 12, the outer diameter of which is substantially the same as the inner diameter of the cover 12 and the inner diameter of which is approximately the outer diameter of the hose member 5. They are formed to have the same diameter, are press-fitted between the hose member 5 and the cover 12, and are mounted. In the mounted state, the hose mounting pipe 9 and the hose member 5 overlap with each other. The protector 14 is formed of a flexible material having a rigidity lower than that of the cover 12 and higher than that of the hose member 5, such as vinyl chloride or elastomer (thermoelastic resin).

Reference numeral 16 denotes an extension pipe, one end of which is detachably connected to the joint pipe 8 of the proximal side connecting member 7, and the other end of which is a floor suction tool 17 which is detachably connected.

When cleaning, the hand side connecting member 7
Grasp the neighborhood and slide the floor suction tool 17 back and forth. In the state where the hand side connecting member 7 is gripped and lifted, the hose member 5 is lowered downward by its own weight, so that the hose member 5 tries to bend at a sharp angle from the vicinity of the end of the hose mounting pipe 9, but the hose member 5 The protector 14 having higher rigidity reinforces the hose member 5 to prevent the hose member 5 from being bent at a sharp angle, and prevents the hose member 5 from being damaged.

Also, in the overlapping portion of the hose member 5 and the main body side connecting member 6, since the structure is the same as the overlapping portion of the hand side connecting member 7 and the hose member 5, the cleaner main body 1 is a sill or the like. Even when the hose 3 is pulled by pulling the hose 3 in a direction other than the advancing direction of the cleaner body 1 while being caught on the step, the protector 14 causes the hose member 5 to move the end portion of the body-side connecting member 6 Bending at a sharp angle at the fulcrum is suppressed, and damage to the hose member 5 is prevented.

The protector 14 is made of the same material as that of the cover 12 or the same material as that of the above-mentioned embodiment, and by forming a large number of elongated holes 18 in the circumferential direction as shown in FIGS. It may be weaker than the rigidity of the cover 12 and stronger than the rigidity of the hose member 5. Further, the interval between the long holes 18 formed in the protector 14 is formed so as to become gradually narrower as the distance from the hose mounting pipe 9 increases, and the rigidity gradually decreases from the hose mounting pipe 9 to the hose member 5 side. The hose member 5 may be prevented from being bent at a sharp angle at the end of the protector 14.

In the first embodiment, the cover 12 is provided with the engaging claws 13.
Is configured so that the protector 14 is mounted by forming the locking groove 15 on the protector 14 and engaging the engaging claw 13 with the locking groove 16, but as shown in FIG. 5, the protector 14 is attached to the hose. It may be configured to be press-fitted between the tube 9 and the cover 12 or fixed to the cover 12 with an adhesive or the like.

[0052]

As described above, according to the present invention, the protector reinforces the hose member, and the hose member can be prevented from being abruptly bent with a simple structure, and the durability of the hose can be improved. And so on.

[Brief description of drawings]

FIG. 1 is an enlarged sectional view of a main part showing an embodiment of the present invention.

FIG. 2 is a perspective view of the electric vacuum cleaner.

FIG. 3 is an enlarged cross-sectional view of an essential part showing another embodiment of the present invention.

FIG. 4 is a side view of the main part.

FIG. 5 is an enlarged sectional view of an essential part showing still another embodiment of the present invention.

FIG. 6 is an enlarged sectional view of an essential part showing a conventional technique of the present invention.

FIG. 7 is an enlarged side view of the relevant part.

FIG. 8 is a perspective view of the electric vacuum cleaner in the same use state.

FIG. 9 is a perspective view of the electric vacuum cleaner in the housed state.

[Explanation of symbols]

 1 Vacuum cleaner main body 2 Suction port 3 Flexible hose 5 Hose member 6 Main body side hose mounting tube 7 Hand side hose mounting tube 12 Cover 13 Engaging claw 14 Protector 15 Engaging groove 16 Extension pipe 17 Floor suction tool 18 Long hole

Claims (16)

[Claims] 1. A cleaner body having a suction port formed in the front,
A flexible hose having one end removably connected to the suction port and an extension pipe connected to the other end; and a floor suction tool attached to the other end of the extension pipe. A first connecting member connected to the suction port, a second connecting member connected to the extension pipe, a flexible hose member connecting the first and second connecting members, and the first connecting member.
A first cover attached to the connecting member and covering the overlapping portion of the hose member and the first connecting member; and a first cover attached to the second connecting member and covering the overlapping portion of the hose member and the second connecting member. An electric machine comprising a second cover, a protector covering the outer circumference of the hose member, which is attached to the hose member side of the first cover, and an axial length of the protector being equal to or larger than a diameter of the hose member. Vacuum cleaner. 2. A cleaner body having a suction port formed in the front,
A flexible hose having one end removably connected to the suction port and an extension pipe connected to the other end; and a floor suction tool attached to the other end of the extension pipe. A first connecting member connected to the suction port, a second connecting member connected to the extension pipe, a flexible hose member connecting the first and second connecting members, and the first connecting member.
A first cover attached to the connecting member and covering the overlapping portion of the hose member and the first connecting member; and a first cover attached to the second connecting member and covering the overlapping portion of the hose member and the second connecting member. A second cover is provided, and a protector covering the outer circumference of the hose member is attached to the hose member side of the first cover, and the flexibility of the protector is made larger than that of the first cover. Vacuum cleaner to do. 3. A cleaner body having a suction port formed in the front,
A flexible hose having one end removably connected to the suction port and an extension pipe connected to the other end; and a floor suction tool attached to the other end of the extension pipe. A first connecting member connected to the suction port, a second connecting member connected to the extension pipe, a flexible hose member connecting the first and second connecting members, and the first connecting member.
A first cover attached to the connecting member and covering the overlapping portion of the hose member and the first connecting member; and a first cover attached to the second connecting member and covering the overlapping portion of the hose member and the second connecting member. A protector covering the outer circumference of the hose member is mounted on the hose member side of the first cover while being composed of a second cover, and the flexibility of the protector is larger than that of the first cover. An electric vacuum cleaner characterized by being made smaller than flexible. 4. A cleaner body having a suction port formed in the front,
A flexible hose having one end removably connected to the suction port and an extension pipe connected to the other end; and a floor suction tool attached to the other end of the extension pipe. A first connecting member connected to the suction port, a second connecting member connected to the extension pipe, a flexible hose member connecting the first and second connecting members, and the first connecting member.
A first cover attached to the connecting member and covering the overlapping portion of the hose member and the first connecting member; and a first cover attached to the second connecting member and covering the overlapping portion of the hose member and the second connecting member. A second cover is provided, and a protector covering the outer circumference of the hose member is attached to the hose member side of the first cover, and the flexibility of the protector is gradually increased as the distance from the first cover increases. And vacuum cleaner. 5. A cleaner body having a suction port formed in the front,
A flexible hose having one end removably connected to the suction port and an extension pipe connected to the other end; and a floor suction tool attached to the other end of the extension pipe. A first connecting member connected to the suction port, a second connecting member connected to the extension pipe, a flexible hose member connecting the first and second connecting members, and the first connecting member.
A first cover attached to the connecting member and covering the overlapping portion of the hose member and the first connecting member; and a first cover attached to the second connecting member and covering the overlapping portion of the hose member and the second connecting member. An electric cleaning device comprising a second cover, a protector covering the outer periphery of the hose member, which is attached to the hose member side of the first cover, and a plurality of elongated holes formed in the circumferential direction in the protector. Machine. 6. A cleaner body having a suction port formed in the front,
A flexible hose having one end removably connected to the suction port and an extension pipe connected to the other end; and a floor suction tool attached to the other end of the extension pipe. A first connecting member connected to the suction port, a second connecting member connected to the extension pipe, a flexible hose member connecting the first and second connecting members, and the first connecting member.
A first cover attached to the connecting member and covering the overlapping portion of the hose member and the first connecting member; and a first cover attached to the second connecting member and covering the overlapping portion of the hose member and the second connecting member. An electric vacuum cleaner comprising a second cover, a protector covering the outer periphery of the hose member mounted on the hose member side of the first cover, and the protector being made of a highly flexible material. 7. A cleaner body having a suction port formed in the front,
A flexible hose having one end removably connected to the suction port and an extension pipe connected to the other end; and a floor suction tool attached to the other end of the extension pipe. A first connecting member connected to the suction port, a second connecting member connected to the extension pipe, a flexible hose member connecting the first and second connecting members, and the first connecting member.
A first cover attached to the connecting member and covering the overlapping portion of the hose member and the first connecting member; and a first cover attached to the second connecting member and covering the overlapping portion of the hose member and the second connecting member. An electric vacuum cleaner comprising a second cover, a protector having one end inserted and engaged between the first cover and the hose member and covering the outer circumference of the hose member. 8. A cleaner body having a suction port formed in the front,
A flexible hose having one end removably connected to the suction port and an extension pipe connected to the other end; and a floor suction tool attached to the other end of the extension pipe. A first connecting member connected to the suction port, a second connecting member connected to the extension pipe, a flexible hose member connecting the first and second connecting members, and the first connecting member.
A first cover attached to the connecting member and covering the overlapping portion of the hose member and the first connecting member; and a first cover attached to the second connecting member and covering the overlapping portion of the hose member and the second connecting member. An electric vacuum cleaner comprising: a second cover, and a protector which is attached to the overlapping portion of the hose member and the first connecting member in a superposed manner and covers the outer circumference of the hose member. 9. A cleaner body having a suction port formed in the front,
A flexible hose having one end removably connected to the suction port and an extension pipe connected to the other end; and a floor suction tool attached to the other end of the extension pipe. A first connecting member connected to the suction port, a second connecting member connected to the extension pipe, a flexible hose member connecting the first and second connecting members, and the first connecting member.
A first cover attached to the connecting member and covering the overlapping portion of the hose member and the first connecting member; and a first cover attached to the second connecting member and covering the overlapping portion of the hose member and the second connecting member. An electric machine comprising a second cover, a protector covering the outer circumference of the hose member is attached to the hose member side of the second cover, and the axial length of the protector is equal to or larger than the diameter of the hose member. Vacuum cleaner. 10. A cleaner body having a suction port formed in the front, a flexible hose having one end detachably connected to the suction port and an extension pipe connected to the other end, and the other end side of the extension pipe. A floor suction tool attached to the flexible hose, the flexible hose having a first connection member connected to a suction port,
A second connecting member connected to the extension pipe; a flexible hose member connecting the first and second connecting members; and a flexible hose member attached to the first connecting member,
A first cover that covers the overlapping portion with the connecting member, and a second cover that is attached to the second connecting member and covers the overlapping portion between the hose member and the second connecting member,
A protector that covers the outer circumference of the hose member is attached to the hose member side of the second cover to increase the flexibility of the protector.
An electric vacuum cleaner characterized by being made larger than the flexibility of the cover. 11. A cleaner body having a suction port formed in the front, a flexible hose having one end detachably connected to the suction port and an extension pipe connected to the other end, and the other end side of the extension pipe. A floor suction tool attached to the flexible hose, the flexible hose having a first connection member connected to a suction port,
A second connecting member connected to the extension pipe; a flexible hose member connecting the first and second connecting members; and a flexible hose member attached to the first connecting member,
A first cover that covers the overlapping portion with the connecting member, and a second cover that is attached to the second connecting member and covers the overlapping portion between the hose member and the second connecting member,
A protector covering the outer circumference of the hose member is attached to the hose member side of the second cover, and the flexibility of the protector is made larger than that of the second cover and smaller than that of the hose member. A characteristic vacuum cleaner. 12. A cleaner body having a suction port formed in the front, a flexible hose having one end detachably connected to the suction port and an extension pipe connected to the other end, and the other end side of the extension pipe. A floor suction tool attached to the flexible hose, the flexible hose having a first connection member connected to a suction port,
A second connecting member connected to the extension pipe; a flexible hose member connecting the first and second connecting members; and a flexible hose member attached to the first connecting member,
A first cover that covers the overlapping portion with the connecting member, and a second cover that is attached to the second connecting member and covers the overlapping portion between the hose member and the second connecting member,
An electric vacuum cleaner, wherein a protector covering the outer circumference of the hose member is attached to the hose member side of the second cover, and the flexibility of the protector is gradually increased as the distance from the second cover increases. 13. A cleaner body having a suction port formed in the front, a flexible hose having one end detachably connected to the suction port and an extension pipe connected to the other end, and the other end side of the extension pipe. A floor suction tool attached to the flexible hose, the flexible hose having a first connection member connected to a suction port,
A second connecting member connected to the extension pipe; a flexible hose member connecting the first and second connecting members; and a flexible hose member attached to the first connecting member,
A first cover that covers the overlapping portion with the connecting member, and a second cover that is attached to the second connecting member and covers the overlapping portion between the hose member and the second connecting member,
An electric vacuum cleaner characterized in that a protector covering the outer circumference of the hose member is attached to the hose member side of the second cover, and a plurality of elongated holes are formed in the protector in the circumferential direction. 14. A cleaner body having a suction port formed in the front, a flexible hose having one end detachably connected to the suction port and an extension pipe connected to the other end, and the other end side of the extension pipe. A floor suction tool attached to the flexible hose, the flexible hose having a first connection member connected to a suction port,
A second connecting member connected to the extension pipe; a flexible hose member connecting the first and second connecting members; and a flexible hose member attached to the first connecting member,
A first cover that covers the overlapping portion with the connecting member, and a second cover that is attached to the second connecting member and covers the overlapping portion between the hose member and the second connecting member,
An electric vacuum cleaner characterized in that a protector covering the outer circumference of the hose member is attached to the hose member side of the second cover, and the protector is made of a highly flexible material. 15. A cleaner body having a suction port formed in the front, a flexible hose having one end detachably connected to the suction port and an extension pipe connected to the other end, and the other end side of the extension pipe. A floor suction tool attached to the flexible hose, the flexible hose having a first connection member connected to a suction port,
A second connecting member connected to the extension pipe; a flexible hose member connecting the first and second connecting members; and a flexible hose member attached to the first connecting member,
A first cover that covers the overlapping portion with the connecting member, and a second cover that is attached to the second connecting member and covers the overlapping portion between the hose member and the second connecting member,
An electric vacuum cleaner, wherein one end is inserted and engaged between the second cover and the hose member, and a protector covering the outer circumference of the hose member is provided. 16. A cleaner body having a suction port formed in the front, a flexible hose having one end detachably connected to the suction port and an extension pipe connected to the other end, and the other end side of the extension pipe. A floor suction tool attached to the flexible hose, the flexible hose having a first connection member connected to a suction port,
A second connecting member connected to the extension pipe; a flexible hose member connecting the first and second connecting members; and a flexible hose member attached to the first connecting member,
A first cover that covers the overlapping portion with the connecting member, and a second cover that is attached to the second connecting member and covers the overlapping portion between the hose member and the second connecting member,
An electric vacuum cleaner, characterized in that a protector is attached to the hose member and the second connecting member so as to overlap each other and cover the outer circumference of the hose member.