JP2006141878A - Upright vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an upright vacuum cleaner having a handle not disturbing a user in cleaning floor and easily held by hand when the user cleans a high place or the like. <P>SOLUTION: The upright vacuum cleaner comprises a main body 1, the handle 2, a suction inlet member 3 having provided on the lower part of the main body 1 and comprising a suction opening 3a and a suction chamber 3b, a connection tube 9 communicating with the main body 1 and the suction chamber 3b, an extension tube 5 having one tip end 5a connected to the connection tube 9, attached removably in the vertical direction to the main body 1 and having the other tip end provided with the handle 4c, and a dust collection hose 4 having one end thereof connected to the tip end 5a of the extension tube 5 and the other end thereof attached to the main body 1 and communicating with a dust collection chamber 8. The tip end 5a of the extension tube 5 is connected, and the user can move the vacuum cleaner by holding the handle 4c. The handle 2 can be extended upward when the tip end 5a of the extension tube 5 is disconnected from the connection tube 9 and can be shortened downward when the tip end 5a of the extension tub 5 is connected to the connection tube 9. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a so-called upright (vertical) vacuum cleaner.

  As a conventional upright type electric vacuum cleaner, the one shown in FIG. 5 is known (see, for example, Patent Document 1).

  In such a conventional upright type vacuum cleaner, a handle 2 is provided above the cleaner body 1 and a suction port body 3 is provided below.

  The vacuum cleaner main body 1 is provided with a dust collection chamber (not shown) and an electric blower (not shown) that makes the dust collection chamber have a negative pressure, and the dust collection chamber and the suction port 3 are: The dust collecting hose 4 having flexibility communicates.

  A tip end portion of the dust collecting hose 4 is detachably connected to a hose connection portion 6 of the suction port body 3, and an extension pipe 5 with a nozzle is attached to a side portion of the cleaner body 1.

  In the conventional upright type vacuum cleaner configured as described above, the tip of the dust collecting hose 4 is connected to the hose connecting portion 6 and sucked by the suction port body 3 during normal floor cleaning. Dust such as dust is collected in the dust collection chamber via the dust collection hose 4.

When cleaning a narrow place or high place where the suction port body 3 cannot be cleaned, the tip of the dust collecting hose 4 is removed from the hose connection part 6 and the extension pipe 5 with the nozzle is attached to the vacuum cleaner body. 1 is connected to the tip of the dust collecting hose 4. And this narrow extension pipe 5 is used to clean a narrow space or a high place.
JP 2000-33054 A (FIGS. 1 to 5, paragraphs 0013 to 0035)

  Thus, in the conventional upright type vacuum cleaner, the tip end portion of the dust collecting hose 4 is removed from the hose connection portion 6, and the extension tube 5 with nozzle is further removed from the cleaner body 1, and this extension tube 5 with nozzle is attached. Must be connected to the tip of the dust collecting hose 4, and the work is troublesome.

  Therefore, an extension pipe is connected and fixed to the tip of the dust collection hose, this extension pipe is detachably attached to the vacuum cleaner body, and the suction port body is moved together with the vacuum cleaner body by operating the handle of the extension pipe. There has been proposed an electric vacuum cleaner that can clean a floor surface by removing the extension pipe from the main body of the vacuum cleaner and thereby can clean a narrow space or a high place.

  However, in such a vacuum cleaner, if the handle provided on the main body of the vacuum cleaner is long, the handle easily hits a table or a chair when cleaning the floor surface, which is a problem. is there. If the handle is shortened, the handle is supported by holding the handle by hand when removing the extension tube from the cleaner body and cleaning a narrow space or high place. Since it is located at the bottom, there is a problem that the handle becomes difficult to hold.

  An object of the present invention is to provide an upright type electric vacuum cleaner in which the handle is not obstructed when cleaning the floor surface, and the handle is easy to hold when cleaning a narrow space or a high place. Is to provide.

In order to achieve the above object, the invention of claim 1 is directed to a vacuum cleaner body having a dust collection chamber and an electric blower for sucking dust into the dust collection chamber, and the vacuum cleaner body can be vertically expanded and contracted. An attached handle, a suction port provided below the cleaner body, and having a suction chamber with a suction opening formed on a bottom surface; a connecting pipe provided in the cleaner body and communicating with the suction chamber; An extension pipe that is detachably connected to the connection pipe and attached to the cleaner body and has a handle at the other end, and one end is connected to the other end of the extension pipe and the other end is An upright type electric cleaning device comprising: a dust collecting hose attached to the vacuum cleaner body and communicating with the dust collecting chamber; and connecting the tip of the extension pipe to move the vacuum cleaner body with the handle portion Machine,
The handle is characterized by an upright type electric vacuum cleaner that extends when the distal end portion of the extension tube is removed from the connection tube and contracts when the distal end portion of the extension tube is connected to the connection tube.

  According to the first aspect of the present invention, the tip of the extension pipe is attached to the connection pipe in a state where the extension pipe and the dust collecting hose are connected.

  Thereby, when cleaning the corner or high place of the room, the work of connecting the extension pipe to the dust collecting hose can be omitted, and the troublesome work can be avoided.

  The handle extends upward when the distal end portion of the extension tube is removed from the connection tube, and contracts downward when the distal end portion of the extension tube is connected to the connection tube.

  As a result, when cleaning the corners and high places of the room, the handle is in an extended state, so the handle can be easily held by the hand, and when cleaning the floor surface, Since the handle is in a contracted state, it can be prevented that the handle hits a table or a chair to get in the way.

  Furthermore, since the handle portion and the handle do not interfere with each other, the handle portion can be made compact and the handle portion can be easily gripped.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

  The same or equivalent parts as those in the conventional example will be described with the same reference numerals.

  1, 2 and 3 show an upright type electric vacuum cleaner according to the present embodiment.

  First, in terms of configuration, in the upright type electric vacuum cleaner according to the present embodiment, a handle 2 is provided in the vacuum cleaner body 1, and the handle 2 is a vacuum cleaner as will be described later. The main body 1 extends and contracts in the vertical direction.

  The user of the electric vacuum cleaner can move the vacuum cleaner main body 1 by holding the handle 2 by hand or prevent the vacuum cleaner main body 1 from falling.

  Further, the vacuum cleaner body 1 is provided with a dust collection chamber 8, an electric blower 7 that sucks dust into the dust collection chamber 8, and a cord reel 13, and supplies power through an insulating cord wound around the cord reel 13. When the electric blower 7 is driven, a negative pressure acts on the dust collection chamber 8 so that dust is sucked.

  Note that a dust collection filter (not shown) is detachably attached to the dust collection chamber 8.

  A suction port body 3 is provided below the cleaner body 1, and the suction port body 3 has a suction chamber 3 b in which a suction opening 3 a is formed on the bottom surface.

  The rear side A of the vacuum cleaner body 1 is provided with a connecting pipe 9 that communicates with the suction chamber 3b. The connecting pipe 9 is detachably connected to a distal end 5a of an extension pipe 5 to be described later. It has become.

  In addition, one end 4 d of the dust collection hose 4 is connected to the vacuum cleaner main body 1 at the rear side portion A, and the dust collection hose 4 communicates with the dust collection chamber 8 through the connection air duct 20.

  The other end 4a of the dust collecting hose 4 is provided with an operation tube 4b having a handle 4c, and the other end 5c of the extension tube 5 is connected to the operation tube 4b.

  The extension pipe 5 communicates with the dust collecting hose 4 via the operation pipe 4b.

  The extension pipe 5 is configured to be extendable and contractible by connecting two hollow pipes 5e and 5f via a joint 5b.

  Further, a hook 5d is formed in the joint 5b, and the extension pipe 5 is connected to the cleaner body by locking the hook 5 to a locking portion (not shown) provided on the rear side A of the cleaner body 1. It can be attached to the rear side A of 1 along the top and bottom.

  The handle 2 is disposed in a storage portion 2a extending in a direction substantially perpendicular to the bottom surface of the suction port body 3, and in a state where the distal end portion 5a of the extension tube 5 is attached to the connection tube 9, it is more than the operation tube 4b. It is located on the front side B side of the cleaner body 1.

  In the cleaner body 1, there is provided a handle telescopic device 10 including a lock bar 11 that moves up and down along the storage portion 2 a and a spring 12 that biases the lock bar 11 upward.

  The lock bar 11 has a horizontal portion 11a that supports the lower end of the handle 2, a protruding portion 11b that protrudes toward the connecting tube 9, and a vertical portion 11c that connects the horizontal portion 11a and the protruding portion 11b.

  When the distal end portion 5a of the extension pipe 5 is connected to the connecting pipe 9, the projection 11b is pressed by the distal end portion 5a of the extension pipe 5 and the lock bar 11 is attached with the spring 12, as shown in FIG. Since the handle 2 is pushed down against the force, the handle 2 is contracted.

  In this state, the handle 2 is positioned below the handle portion 4c.

  On the other hand, when the distal end portion 5a of the extension tube 5 is removed from the connection tube 9, as shown in FIG. 2, the pressing of the projection 11b is released, so that the lock bar 11 is pushed up by the biasing force of the spring 12. The handle 2 is in an extended state.

  Next, the operation of the upright type electric vacuum cleaner of the present embodiment configured as described above will be described.

  First, at the time of floor cleaning, as shown in FIG. 1, the tip 5a of the extension pipe 5 is connected to the connection pipe 9, the extension pipe 5 is attached to the rear side A of the cleaner body 1, and the operation pipe Holding the handle portion 4c of 4b, the electric blower 7 is driven to move the cleaner body 1 together with the suction port body 3.

  The dust sucked together with the air from the suction opening 3a of the suction port body 3 by driving the electric blower 7 passes through the suction chamber 3b, the connecting pipe 9, the extension pipe 5, the dust collecting hose 4, and the connecting air passage 20, and the dust collecting chamber. The dust is collected by 8 dust collecting filters.

  In this case, since the distal end portion 5 a of the extension tube 5 is connected to the connection tube 9, the projection 11 b of the lock bar 11 is pressed by the distal end portion 5 a of the extension tube 5 in the connection tube 9, and the lock bar 11 Is pushed down against the bias of the spring 12, and the handle 2 is housed in the storage portion 2a of the cleaner body 1 and is in a contracted state.

  For this reason, the handle 2 is positioned below the handle portion 4c of the operation tube 4b, and the handle 2 can be cleaned without hitting the table or chair.

  Next, when cleaning the corners or high places of the room, as shown in FIG. 2, the distal end portion 5a of the extension pipe 5 is removed from the connecting pipe 9, and a nozzle (not shown) is attached to the distal end portion 5a as necessary. Etc., and the extension pipe 5 is operated with the handle portion 4c.

  In this case, since the distal end portion 5 a of the extension tube 5 is removed from the connection tube 9, the protrusion 11 b of the lock bar 11 is released from being pressed by the distal end portion 5 a of the extension tube 5.

  For this reason, the handle 2 is pushed up together with the lock bar 11 by the urging force of the spring 12, and the handle 2 extends upward from the storage portion 2 a of the cleaner body 1.

  Therefore, when cleaning a corner or high place in the room, as shown in FIG. 4, the handle 4c is held with one hand while the handle 2 is extended with the other hand to support the cleaner body 1. Therefore, the handle 2 can be easily gripped.

  As described above, according to the present embodiment, the distal end portion 5a of the extension pipe 5 is attached to the connection pipe 9 in a state where the extension pipe 5 and the dust collecting hose 4 are connected.

  Thereby, when cleaning the corner or high place of the room, the work of connecting the extension pipe 5 to the dust collecting hose 4 can be omitted, and the troublesome work can be avoided.

  The handle 2 extends upward when the distal end portion 5a of the extension tube 5 is removed from the connection tube 9, and contracts downward when the distal end portion 5a of the extension tube 5 is connected to the connection tube 9. Yes.

  As a result, when cleaning the corners or high places of the room, the handle 2 is in an extended state, so that the cleaner body 1 can be easily supported by holding the handle 2 by hand, and when cleaning the floor surface. In addition, since the handle 2 is in a contracted state, it can be avoided that the handle 2 hits a table, a chair, or the like.

  Furthermore, according to the present embodiment, the expansion and contraction of the handle 2 is performed in conjunction with the attachment / detachment of the extension pipe tip 5a to / from the connection pipe 9, so that cleaning of the floor surface using the suction port 3 and extension It is possible to quickly switch between cleaning a corner of a room or a high place using the pipe 5.

  Although the best embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and design changes that do not depart from the gist of the present invention are possible. Are included in the present invention.

  For example, in the above-described embodiment, the handle telescopic device 10 that expands and contracts the handle 2 has been described as an example including the lock bar 11 and the spring 12. Alternatively, an electrical switch that turns off may be provided, and the handle may be expanded and contracted by an air cylinder that operates by turning on and off.

It is a side view explaining the whole structure of the state which attached the extension pipe of the upright type vacuum cleaner of the best embodiment of this invention to the connection pipe. It is a side view explaining the whole structure of the state which removed the extension pipe of the upright type vacuum cleaner of the best embodiment of this invention from the connection pipe. It is an external view except the dust collection hose and the extension pipe of the upright type electric vacuum cleaner of the best embodiment of the present invention. It is a side view explaining the state which removes an extension pipe and uses the upright type vacuum cleaner of the best embodiment of this invention. It is a side view explaining the whole structure of the conventional upright type vacuum cleaner.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner main body 2 Handle 3 Suction inlet 3a Suction opening 3b Suction chamber 4 Dust collection hose 4c Handle part 5 Extension pipe 5a Tip part 8 Dust collection room 9 Connection pipe 10 Handle expansion / contraction device

Claims (1)

A vacuum cleaner body having a dust collection chamber and an electric blower for sucking dust into the dust collection chamber, a handle attached to the vacuum cleaner body so as to be vertically extendable, and provided below the vacuum cleaner body A suction port body having a suction chamber having a suction opening formed on the bottom surface, a connection pipe provided in the vacuum cleaner body and communicating with the suction chamber, and a tip portion detachably connected to the connection pipe. An extension pipe attached to the main body and provided with a handle at the other end, and one end connected to the other end of the extension pipe and the other end attached to the cleaner body and communicated with the dust collecting chamber An upright type electric vacuum cleaner comprising a dust hose, connecting the tip of the extension tube, and moving the vacuum cleaner body with the handle portion;
The handle is extended when the distal end portion of the extension tube is removed from the connecting tube, and contracted when the distal end portion of the extension tube is connected to the connecting tube. .

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