JP2002034868A - Electric vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric vacuum cleaner which can surely and stably carry a cleaner main body with which a hose can be connected with a simple constitution and without being damaged. SOLUTION: A suction part with which a connecting pipe 13 of a hose 11 is connected is disposed at approximately the center of the front face of a main body case 3 which stores a motor-driven blower 2 and whose front side top face part is opened as a lid body 4. A rotating wheel 5 is arranged on the underside of the front side of the main body case 3 and following back wheels 6 are arranged on the side faces on the back side so as to be able to run on a floor face. On the underside of the front face of the main body case 3, the second handle 8 being recessed downward under a running condition is disposed. A handle part 24 provided with a grip part 23 on the top ends of a pair of rotatable arm parts 22 is disposed on the connecting pipe 13 of the hose 11. A hooking nail parts 27 which can be hooked an released on the second handle 8 is provided on the apex part a reinforcing part 26 disposed between the bottom end parts of the arm parts. Weight of the cleaner main body 1 acts on the handle part 24 to prevent the connecting pipe 13 from being damaged and to stably carry the cleaner.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner in which a handle is provided in a connecting pipe of a hose connected to a suction portion of a cleaner body.

[0002]

2. Description of the Related Art Conventionally, as a vacuum cleaner capable of transporting a vacuum cleaner main body with a hose connected to a suction portion of the vacuum cleaner main body, for example, JP-A-10-108807 and JP-A-6-108807.
A configuration described in Japanese Patent Application No. 154140 is known.

[0003] The electric vacuum cleaner described in Japanese Patent Application Laid-Open No. 10-108807 includes an electric blower room accommodating an electric blower, a dust collection chamber partitioned on the intake side of the electric blower to capture sucked dust, The cleaner body includes a suction unit having a main body suction opening that communicates with the dust collection chamber and sucks dust. A swivel wheel is provided on the lower surface on the front side of the cleaner body, and running wheels are rotatably supported on both rear side surfaces, so that the cleaner body can run on the floor surface. Further, on the rear surface of the cleaner body, there is provided a mounting portion which is placed in a state where the rear surface is opposed to the floor surface and the vertical position of the cleaner body is up and down. Further, a handle portion which is located below the suction portion and protrudes forward is provided at a front portion of the cleaner body. This handle portion is formed so as to be grippable in a state where the connection pipe at the base end of the hose is connected to the suction portion when the cleaner body is in the upright state,
The vacuum cleaner body can be transported with the hose connected.

However, Japanese Patent Application Laid-Open No. 10-1088 discloses
In the vacuum cleaner described in JP-A-07-07, when cleaning with the vacuum cleaner body connected to a hose lifted,
It is necessary to temporarily put the cleaner body in the upright position, the work is complicated, and the cleaning performance cannot be improved.

[0005] The electric vacuum cleaner described in Japanese Patent Application Laid-Open No. 6-154140 has an electric blower chamber for accommodating an electric blower, a dust collection chamber partitioned on the intake side of the electric blower for capturing sucked dust. The cleaner body includes a suction unit having a main body suction opening that communicates with the dust collection chamber and sucks dust. A swivel wheel is provided on the lower surface on the front side of the cleaner body, and running wheels are rotatably supported on both rear side surfaces, so that the cleaner body can run on the floor surface. Further, on the upper surface of the cleaner body, there is provided a handle which is slidable in the up-down direction and which can be carried in a running state mounted on the floor surface by a turning wheel and a running wheel.

However, Japanese Patent Application Laid-Open No. Hei 6-15414 discloses
In the vacuum cleaner described in Japanese Patent Publication No. 0, when carrying only the main body of the vacuum cleaner, the front-back direction is substantially horizontal and stable, but when cleaning with the vacuum cleaner main body connected to a hose lifted. The front side of the cleaner body becomes heavy due to the weight of the hose, which may make it difficult to hold.

[0007]

In order to stably lift and clean the cleaner body to which the hose is connected, it is conceivable to provide a handle on a connecting pipe connected to the cleaner body.

However, in the configuration in which the handle is provided on the connecting pipe of the hose, the connecting pipe connected to the cleaner main body acts on the entire weight of the cleaner main body, so that the connecting pipe may be damaged.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide an electric vacuum cleaner capable of reliably and stably transporting a cleaner main body to which a hose is connected with a simple structure without being damaged. I do.

[0010]

According to a first aspect of the present invention, there is provided a vacuum cleaner having a suction unit for receiving an electric blower and opening a main body suction opening communicating with an intake side of the electric blower. A hose provided at a base end with a connecting pipe detachably connected to a suction portion of the cleaner body, an engaging means provided on the cleaner body, and a rotatable means provided on the connecting pipe of the hose. A handle portion, and a locking portion provided integrally with the handle portion and removably locked to the engaging means in a state where a connection pipe of the hose is connected to a suction portion of the cleaner body. Things.

[0011] An engaging portion which is detachably engaged with an engaging means provided on the cleaner body to which the connecting tube of the hose is detachably connected to a handle rotatably provided on the connecting tube of the hose. Since the handle is locked to the cleaner body, the weight of the cleaner body acts on the handle when the handle is lifted, reducing the load applied to the connecting pipe with a simple configuration. Thus, damage to the connection pipe is prevented, and the vacuum cleaner main body connected to the hose can be stably carried at the handle located at the connection pipe.

According to a second aspect of the present invention, in the vacuum cleaner of the first aspect, the engaging means is provided so as to be grippable.

When the hose is not connected, the engaging means can be used as a handle when the hose is not connected, so that there is no need to separately provide a handle, and the configuration is simplified.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a vacuum cleaner according to the present invention will be described with reference to the drawings.

In FIGS. 1 and 2, reference numeral 1 denotes a cleaner main body. The cleaner main body 1 accommodates an electric blower 2 and has a main body case 3 having an opening at a front upper surface which is an intake side of the electric blower 2. Have. On the front upper surface of the main body case 3, a lid 4 for opening and closing the opening and partitioning a dust collection chamber (not shown) is rotatably supported at the rear portion.

The body case 3 is provided with a swivel wheel 5 which is rotatable on the lower surface on the front side in the traveling direction.
The cleaner body 1 can run on the floor surface with the turning wheel 5 and the driven rear wheels 6 and 6. A first handle (not shown) is provided at an upper portion of the main body case 3 so as to be rotatable in a vertical direction. Further, when the main body case 3 is placed on the floor with the rear surface of the main body case 3 facing the floor, the rear surface of the main body case 3 is placed on the upper rear surface of the main body case 3. A mounting portion (not shown) is provided on the surface and projects rearward with the driven rear wheels 6 and 6 so as to contact the floor surface with a predetermined gap therebetween.

At a substantially center of the front surface of the main body case 3, there is provided a suction portion which opens a suction port which is opened and closed by a shutter body (not shown). The suction port of the suction section has a front end opening toward the front of the cleaner body 1 and a rear end opening inside a dust collection bag mounted in the dust collection chamber.

Furthermore, on the lower surface of the front surface of the main body case 3, the turning wheel 5 and the driven rear wheels 6, 6 are located below the suction portion in a running state mounted on the floor, and have a concave shape facing downward. , A second handle 8 is provided as an engagement means capable of inserting the hand to lift the cleaner body 1 when the cleaner body 1 is in the upright state.

On the other hand, reference numeral 11 denotes a hose. The hose 11 has a flexible hose body 12 provided with a wire in a spiral shape.
A connection pipe 13 provided at one end of the hose main body 12 and removably connected by being inserted into a suction port of a suction section;
At the other end, and a hand-operated operation unit to which a suction port that can run on the floor surface via an extension pipe (not shown) is detachably connected at the end. The hand operation unit is provided with a plurality of switches (not shown) for setting the driving of the electric blower 2 in the cleaner body 1, the rotating cleaning body of the suction opening body (not shown), the motor for rotating the running wheels, and the like. An operation unit is provided.

On the outer peripheral surface of the connection tube 13, a terminal clamp portion 15 projecting in a substantially rectangular shape is provided. In this terminal clamp part 15, a terminal pin 16 for connecting to a connector provided in the suction part is protruded from an end face on the distal end side of the connection pipe 13, and a clamp 17 is provided at an upper part to be detachably engaged with the suction part. Have been.

Further, the connecting pipe 13 is provided with a pair of rotating shafts 21 and 21 protruding in the radial direction on the outer peripheral surface. The rotating shafts 21, 21 are provided with a pair of arms 22, 22, each of which is formed in a rod shape and has a substantially middle portion rotatably supported at both ends. Note that the upper ends of the arms 22, 22 on the side of the terminal clamp 15 are formed to be bent in the opposite direction to the radial direction of the connecting tube 13 so that the distance between the arms 22 becomes wider. I have.

Further, between the upper ends of the pair of arms 22, 22,
The grip portion 23 and the arm portions 22 and 22 are integrally connected so that the grip portions 23 are cross-linked to form a handle portion 24.

Further, between the lower ends of the pair of arms 22, 22, there is provided a substantially plate-like reinforcing portion 26 having a plane substantially in a horizontal direction. A locking claw 27 as a locking portion protruding upward, that is, toward the outer peripheral surface of the connection pipe 13 is provided on an edge of the reinforcing portion 26 on the distal end side of the connection pipe 13.
Further, the locking claw 27 is provided with a guide surface 28 that is inclined at the protruding distal edge at the distal end side of the connection tube 13 so that the base end side of the locking claw 27 is thick. .

A biasing means is provided between the reinforcing portion 27 and the outer peripheral surface of the connecting pipe 13 to maintain a predetermined distance between the distal end of the locking claw 27 and the outer peripheral surface of the connecting pipe 13. Coil spring 29 as
Is provided.

The handle 24 is connected to the suction pipe of the cleaner main body 1 with the connecting pipe 13 connected thereto, and the locking claw 27 is locked to the second handle 8. When the main body 1 is lifted, the center of gravity of the entire vacuum cleaner main body 1 to which the hose 11 is connected is located at the position of the connection pipe 13 below the grip portion 23 of the handle portion 24, and the front-rear direction of the main body 1 is substantially horizontal. It is formed so that it can be lifted in the direction.

Next, the operation of the above embodiment will be described.

At the time of cleaning, electric power is supplied through a drawn-out power cord (not shown), a shutter is slid, a connection pipe 13 of a hose 11 is inserted into a suction port of a suction section which is opened, and a clamp 17 is suctioned. And connected. When this connection pipe 13 is inserted into the suction port of the suction part, the guide surface 28 of the locking claw 27 of the handle part 24 comes into contact with the front part of the cleaner body 1. When the connection pipe 13 is further inserted into the suction port in this state, the coil spring 29 extends against the elasticity, and the tip of the locking claw 27 is connected to the connection pipe 13.
Pivots in a direction away from the outer peripheral surface of the. Then, in a state where the clamp 17 is locked to the suction portion, the locking claw 27 is locked over the edge of the second handle 8 by the restoring force due to the elasticity of the coil spring 29, and the restoring force of the coil spring 29. Holds the locked state.

The hose 11 connected to the cleaner body 1 has
The extension pipe and the suction port are connected as appropriate, and the cleaning standby state is set.
Then, the operation unit of the hand operation unit of the hose 11 is appropriately operated,
The electric blower 2 and the electric motor are appropriately driven, and the hand operation unit is pushed and pulled to move the suction opening body on the floor surface for cleaning.

When cleaning the upper part of a room such as furniture or lighting equipment, an accessory such as a clearance nozzle or a furniture brush is connected to the tip of the hose 11. Then, the cleaner main body 1 is lifted by holding the grip portion 23 of the handle portion 24 to clean a high portion. When the cleaner main body 1 is lifted by holding the grip 23 of the handle 24, the center of gravity of the cleaner main body 1 and the hose 11 connected to the cleaner main body 1 at the position of the connection pipe 13 below the grip 23 is adjusted. Since it is located substantially, the cleaner main body 1 can be stably lifted in a state where the front-rear direction is substantially horizontal.

Since the cleaner body 1 is lifted and supported while the handle 13 is sandwiched between the connection pipes 13, the weight of the cleaner body 1 is substantially centered on the position where the connection pipe 13 is connected to the suction section. Acts on the locking claw 23 of the handle 24 as
Does not act on the entire weight of the cleaner body 1. From this, damage such as breakage of the connection pipe 13 and the clamp 17,
Damage such as bent terminal pin 16 or clamp 17
This prevents the connection of the terminal pin 16 from being disengaged from the suction portion and the terminal pin 16 from making contact with the connector.

When the hose 11 is detached at the end of the cleaning, the gripping portion 23 of the handle portion 24 is turned against the pulling force of the coil spring 29 so as to fall down to the cleaner body 1 side. Then, the locking claw 27 to be locked to the second handle 8 is removed, and the clamp 17 is removed by pulling out the connection pipe 13 while the suction part is being removed. When transporting the vacuum cleaner main body 1 from which the hose 11 has been removed, the transport is carried by holding the first handle portion. In this case, since the hose 11 is not connected, the hose 11 can be stably lifted and transported in a state where the front-rear direction is substantially horizontal. Then, when the cleaner main body 1 is stored in the storage position in the upright position, the front surface of the cleaner main body 1 is lifted by holding the second handle 8 so that the rear surface of the cleaner main body 1 faces the floor surface. And place it.

As described above, the handle portion 24 rotatably provided on the connecting pipe 13 of the hose 11 is provided near the suction portion of the cleaner body 1 to which the connecting pipe 13 of the hose 11 is detachably connected. Since the handle portion 24 is locked to the cleaner main body 1 to provide the locking claw portion 27 which is detachably locked to the second handle 8, the cleaner main body 1 is lifted when the handle portion 24 is lifted up. Weight acts on the handle portion 24, and the load applied to the connection tube 13 is reduced by a simple configuration in which the locking claw portion 27 is integrally provided with the handle portion 24, so that the connection tube 13, the clamp 17, and the terminal pin 16 are connected. In addition to preventing failure and damage, the cleaner body 1 to which the hose 11 is connected is connected to the connection pipe 13.
Can be stably carried by the handle portion 24 located at the position, and the cleaning workability 1 can be improved.

Further, since the second handle 8 of the cleaner main body 1 with which the locking claw portion 27 of the handle portion 24 engages can be grasped,
For example, it can be used as a handle when the cleaner main body 1 is set in the upright state when stored or when the cleaner body 1 is carried in the upright state, and there is no need to provide a separate handle, and the configuration can be simplified.

Further, since the guide surface 28 is provided on the locking claw portion 27, when the connection tube 13 is connected to the suction portion, the handle portion 24 is turned by the operation of inserting the connection tube 13 into the suction port of the suction portion. Since the locking claw 27 moves over the second handle 8 and is locked by the coil spring 29, there is no need to separately rotate the handle 24 to lock the hose, and the hose 11 can be easily connected. Can be.

Also, since the handle portion 24 is formed so that the grip portion 23 side of the arm portions 22 and 22 is bent widely in the opposite direction to the facing direction, the grip portion can be easily gripped.

In the above embodiment, the handle 24
The locking claw 27 is provided on the cleaner body 1 and the concave second handle 8 is provided on the cleaner body 1. For example, the reverse configuration, that is, engaging means protruding on the cleaner body 1 in a claw shape is provided. Handle
24 may be provided with a concave locking portion with which the engaging means of the cleaner main body 1 is disengageably engaged. In this case, if the engaging means protruding in the form of a claw can be grasped as a handle, it is not necessary to provide a separate handle, which is more preferable. Furthermore, the present invention is not limited to these configurations, and may be any configuration that can be disengaged from each other.

Although the locking claw 27 of the handle portion 24 is locked to the second handle 8, a structure in which the locking claw 27 can not be gripped may be used if the locking claw 27 can be locked. In this case, another handle may be provided.

Although the coil spring 29 as the urging means is provided to hold the locked state, any other configuration may be used, and the coil spring 29 may be provided at any position other than the reinforcing portion.

[0039]

According to the first aspect of the present invention, the vacuum cleaner has a handle which is rotatably provided on the connecting pipe of the hose and which is detachably engaged with the engaging means provided on the cleaner body. Since the stopper is provided, the weight of the main body of the cleaner acts on the handle that locks to the main body of the cleaner when the handle is lifted with the handle. Damage can be prevented, and the cleaner body to which the hose connects can be stably carried at the handle located at the connection pipe.

According to the vacuum cleaner of the second aspect, in addition to the effect of the vacuum cleaner of the first aspect, the engaging means is provided so as to be grippable. It can be used as a handle, and there is no need to provide a separate handle, and the configuration can be simplified.

[Brief description of the drawings]

FIG. 1 is a partially cutaway side view showing a vacuum cleaner main body according to an embodiment of the vacuum cleaner of the present invention.

FIG. 2 is a perspective view illustrating a situation in which the extension tube is attached.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vacuum cleaner main body 2 Electric blower 8 2nd handle as an engagement means 11 Hose 13 Connection pipe 24 Handle part 27 Locking claw part as a locking part

Claims (2)

[Claims] 1. A vacuum cleaner main body having a suction unit for housing an electric blower and opening a main body suction opening communicating with an intake side of the electric blower, and a connection detachably connected to the suction unit of the vacuum cleaner main body. A hose having a pipe at a base end, an engaging means provided on the cleaner body, a handle rotatably provided on a connection pipe of the hose, and a handle integrally provided on the handle. An electric vacuum cleaner comprising: an engaging portion that is detachably engaged with the engaging means while a connection pipe of a hose is connected to a suction portion of the cleaner body. 2. The vacuum cleaner according to claim 1, wherein the engaging means is provided so as to be grippable.