JP3006600B2 - Electric vacuum cleaner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor moving type vacuum cleaner, and more particularly to a hose unit of the vacuum cleaner.

[0002]

2. Description of the Related Art Conventionally, this type of vacuum cleaner has been disclosed in
Configuration disclosed in 63893 JP were common. That is, as shown in FIG. 1, a hose unit 2 is detachably connected from the front of a main body 1 of the vacuum cleaner, and an extension pipe 3 and a floor nozzle 4 are sequentially connected to the end of the hose unit 2. A connecting portion 5 of the hose unit 2 to the main body 1 includes a substantially cylindrical connecting tube 6, a spring-biased buckle knob 7, a knob retainer 8 for holding the buckle knob 7 with the connecting tube 6, and It consisted of a pair of hose covers 10 that sandwiched the hose 9 wrapped in the connecting pipe 6 from above and below. Also, the main body 1
A handle 11 is provided at the center of the upper surface of the vacuum cleaner, and a second handle 12 is provided at the forefront of the main body 1. Either of the handles 11, 12 is used during use of the vacuum cleaner or when moving before and after use. The configuration was such that the main body 1 could be carried with the user.

[0003]

The object of the invention is to be Solved by the way, when you use the recent years vacuum cleaner can be used immediately to simplify the preparation of such assembly of the vacuum cleaner, also after use is finished in a short period of time cleaning up place efficient for the purpose of such a vacuum cleaner can be used, the method of storage disclosed in Japanese Unexamined Utility Model Publication No. 63-5954 without imposing results that can be stored, the time (hereinafter, referred to as the stand housing) Has been devised.

[0004] However, the aforementioned Japanese Patent Publication No. 3-63893.
In the case of the main body 1 disclosed in Japanese Patent Application Laid-Open Publication No. H10-210 , when this stand storage is used, the entire vacuum cleaner can be transported with the second handle 12 as it is. By being formed on the front surface of the main body 1, the front-to-rear length of the main body 1 is increased by the amount of forward protrusion of the second handle 12, so that the main body 1 can be increased in size and weight, or the product can be packaged during transportation. It was a reason for growing talent and raising product prices.

[0005] In order to solve this problem, there is a product in which the second handle 12 is eliminated and the handle 11 alone is used. In this case, even if the vacuum cleaner is transported to the place of use, that is, the place to be cleaned, while the stand is in the stowed state. Can not be transported because there is no part to hold, and from the stand storage state around the storage place to the use state, that is, pull out the hose unit 2 from the main body 1 and then hold the handle 11 or pull the main body 1 to go It had to be so easy to use. The same applies after use.
And the other connecting parts, the main body 1 must be erected, and the hook of the extension tube 3 must be inserted into the front surface of the main body 1 from above to be in a stand state. That is, since the cleaner cannot be transported in the stowed state, it takes time to move the vacuum cleaner.

An object of the present invention is to solve these problems and to provide an inexpensive and highly usable floor moving type vacuum cleaner.

[0007]

[MEANS FOR SOLVING THE PROBLEMS] To achieve the above object
The present invention includes a main body of the vacuum cleaner incorporating a dust collection chamber and the electric blower to the interior, and the hose unit which is detachably connected from the body front, an extension pipe connected to the hose unit, this A floor nozzle connected to the extension pipe ;
One body connecting portion of the hose unit a cylindrical tube, and hose was wrapped wear from the front to the tube, a pair of hose cover covering the covering and adhering part, the handle above the hose cover
It is formed on the body .

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION
A body of the electric vacuum cleaner incorporating a dust collection chamber and the electric blower to the interior, and the hose unit which is detachably connected from the body front, an extension pipe connected to the hose unit, this
Comprising a floor nozzle connected to the extension tubes, perforated body connecting portion of the hose unit a cylindrical tube, and hose was wrapped wear from the front to the tube, a pair of hose cover covering the covering and adhering section However , the handle is integrally formed above the hose cover, so that the main body of the vacuum cleaner can be moved while the stand is stored.
It can be moved and lifted with the handle in the stand storage state
Can be performed without tilting the main body
it can.

In addition, by forming a handle integrally with a pair of hose covers that hold the hose wrapped around the connection tube together with the connection tube, the handle can be provided inexpensively and firmly.

[0010]

FIG. 2 shows a first embodiment of the present invention .
3 will be described. Diagram of main body configuration of vacuum cleaner
Explanation will be made with reference to FIG.

Reference numeral 21 denotes a main body of the vacuum cleaner. A dust collecting chamber for accommodating a paper bag 22 is formed at a front portion, and an electric blower 23 and a cord reel are built at a rear portion. One end of the hose unit 24 has a main body connection portion ( hereinafter, referred to as a connection portion) 25.
The connecting portion 25 is inserted into the front portion of the main body 21 from the front, and the connecting portion 25 is detachably connected to the main body 21 .
An extension pipe 26 is connected to the other end of the hose unit 24 . A floor nozzle 27 is connected to the end of the extension pipe 26, and dust sucked from a cleaning surface by an intake air flow generated by rotation of the electric blower 23 is used to remove the dust from the floor nozzle 27, the extension pipe 26, the hose unit 24, and the paper bag. Body 2 with 22 routes
1 and stored.

The connecting portion 25 is rotatably held by the connecting tube 28, a buckle knob 30, which is spring-biased by a buckle spring 29 and locked to the main body 21. Rotating tube 31 and hose 3 wrapped around rotating tube 31
2 and left and right 2 which hold the buckle knob 30 with the connecting pipe 28.
It is composed of a divided hose cover 33, a rail tube A35 fixed to the outer periphery of the rotary tube 31, and a pair of rails 34 wound thereon, and a rail tube B36.

A substantially U-shaped handle 37 is formed integrally with the hose cover 33, and the connection terminal is fixed to conduct to the rail 34 and is disposed on the handle 38 of the hose unit 24. The control switch and the electric blower 23 are electrically connected. The handle 37 uses a vacuum cleaner.
In the state, that is, as shown in FIG.
Located above the connection portion 25 in the state in which
It is provided as follows.

A handle 39 provided on the upper surface of the main body 21 enables the main body 21 to be transported and moved during use. 4
Reference numeral 0 denotes a hook attached to the extension tube, which can be fitted into a concave portion 41 provided on the front surface of the main body 21 and can be stored in a stand as shown in FIG.

Next, the operation and operation of the above configuration will be described. When using the vacuum cleaner, as shown in FIG. 2, hold the handle 37 of the hose unit 24 of the vacuum cleaner in the stand storage state with one hand, and use the other hand to extend the extension tube 2.
6 is transported to the place of use, and after transportation, the hook 40 of the extension tube 26 is removed from the main body 21, the cord is connected to an outlet and used, and after use, the stand is stored in place and the handle 37 is held. Transport to storage location and store.

In other words, by holding the handle 37, the product can be transported in the stand storage state, and the time required for the movement between the storage location and the cleaning location can be reduced, so that the time required for the cleaning can be reduced, and at the same time, the movement can be achieved. It can be done easily.

Also, when the stand is not stored,
By hanging the handle 37 on a hook provided on a wall or the like, the hose unit 24 can be stored without damaging the hose 32.

Since the handle 37 is formed integrally with the hose cover 33 divided into two parts, the handle 37 is strong and can be formed at low cost.

In the above embodiment, the connecting pipe 28 and the rotary pipe 3
Although 2 is a separate component, the same effect can be obtained even when integrated.

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

The operating portion 42 of the buckle knob 30 is arranged on the main body 21 side of the handle 37 of the hose cover 33 divided into two parts on the left and right sides. The nail portion 43 hooked inside the main body 21
From the main unit 21.
Can be removed from

With this configuration, when the hose unit 24 is detached from the main body 21, the buckle knob 30 can be unlocked while holding the handle 37 that is easy to grasp.
4 can be detached from the main body 21 with good feeling. The operability is greatly improved as compared with the conventional case where the buckle knob has to be pressed while holding the thick connecting pipe.

[0023] Incidentally, when having a handle 37 at the stand housed state, the operation unit 42 is a handle 37 due to the 21-side body
It is possible to prevent the operation unit 42 from being pressed with the hand held,
Hose while carrying the main body 21 with the stand stored
The unit 24 does not come off the main body 21.

[0024] Next a third embodiment of the present invention will be described with reference to FIGS. 5-6. The same components as those in the first and second embodiments are denoted by the same reference numerals, and description thereof is omitted.

The connection part 25 is used in a state where the vacuum cleaner is used.
That is, as shown in FIG. 5, the main body 21 can move on the floor.
In this state, the hose 32 is bent upward by approximately 45 degrees.
Connection pipe 45, and beneath the bent portion of the connection pipe 25
A handle 44 having both ends connected is provided integrally. Also, contact
The connecting portion 25 is located below the handle 44 and the connecting pipe 4 on the side of the main body 21.
5 has a connecting pipe cover 48 that covers the lower part of the connecting pipe 5.
The light emitting unit 46 and the control unit of the dust detection device
47 are accommodated. Further, the connecting portion 25 is provided with a buckle knob 30 urged by a buckle spring 29 and a knob holder 50 for holding the light receiving portion 49 of the dust detection device between the connecting tube 45.
When a pair of hose cover A51 for preventing disengagement of the hose 32 which is Tsutsumigi the connecting pipe 45 has a hose cover B52
Have . When dust passes between the light emitting unit 46 and the light receiving unit 49, the infrared rays emitted from the light emitting unit 46 to the light receiving unit 49 are blocked, and it is possible to detect that the dust has passed. In response to the detection signal, the control unit 47 controls the phase of the voltage applied to the electric blower 23 to control the rotation speed.

In the above configuration, when the stand is stored, the handle portion 44a of the handle 44 is substantially parallel to the floor surface, and the user can easily hold the main body 21 without tilting the main body 21 with respect to the floor surface. .

When the connecting pipe 45 is in use and the front is approximately 4 mm.
Since the hose 32 is bent upward by 5 degrees, the hose 32 smoothly faces in the direction of the handle 38 of the hose unit 24, so that the hose 25 does not break at the connecting portion 25 of the hose unit 24. When the handle 38 of the 24 has to be lifted high, the hose 32 is
Chance to raise 1 is reduced and hose unit 24
The operation of operating becomes easier.

In addition, since the dust detection means and the control unit 47 are arranged at the connection unit 25, the handle 38 of the hose unit 24 can be lightened, and the operation of moving the hose unit 24 back and forth during use of the vacuum cleaner can be achieved. I can do it easily. On the other hand, the dust detection means and the control unit 25 are inserted into the hose unit 24.
The main body 21 is the same depending on the presence or absence of, and the effect of expanding the product variation is not impaired.

In addition, the frequency of various impacts generated during the use of the vacuum cleaner is less applied to the connection section 25 than the handle section 38 of the hose unit 24. Relief design for retention can be relaxed,
Manufacturing costs can be reduced.

Further, the dust detecting means and the control section 47 are disposed on the main body 21 side with respect to the handle 44 of the connection pipe 45 formed by bending, so that the connection section 25 by the mounting of the dust detecting means and the control section 47 is formed. Miniaturization can be minimized. Further, even if the handle portion 44a of the handle 44 hits a large step while the body 21 is moving forward, the dust detection means and the control unit 47 can be prevented from being damaged.

[0031]

As described above, the present invention provides a hose unit.
Since the handle was formed on the hose cover that constitutes the knit,
There is no need to form a handle in front of the body, so
Can be downsized. In addition, vacuum cleaner in the stands storing state
The handle can be immediately transported to the cleaning place with the handle, and the
After removal, put the stand in the place of use and store it.
Handle formed at the connection of the hose unit to the pipe location
It can be easily transported by carrying with one hand
It will be. Also, hold the handle with the stand retracted.
Even if it is lifted up, it is possible to perform
Can be. In addition, the handle is formed integrally with the hose cover
By doing so, it can be provided cheaply and firmly.
You.

[Brief description of the drawings]

FIG. 1 is a perspective view of a vacuum cleaner showing a conventional example.

FIG. 2 is a perspective view of the vacuum cleaner according to the first embodiment of the present invention in a state in which a stand is stored.

FIG. 3 is a central sectional view of a connection portion of the hose unit.

FIG. 4 is a central sectional view of a connection portion of a hose unit according to a second embodiment of the present invention.

FIG. 5 is a side view of a vacuum cleaner showing a third embodiment of the present invention.

FIG. 6 is a central sectional view of a main part of a connecting portion of the hose unit.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 21 Main body 22 Paper bag 23 Electric blower 24 Hose unit 25 Connection part 26 Extension tube 27 Floor nozzle 28 Connection tube 33 Hose cover 37 Handle 44 Handle 45 Connection tube 46 Light emission part 47 Control part 49 Light reception part

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-6-319667 (JP, A) JP-A-61-92648 (JP, A) Fully open sho 59-168254 (JP, U) Really open sho 56- 108859 (JP, U) Japanese Utility Model Showa 60-168455 (JP, U) Japanese Utility Model Showa 60-168454 (JP, U) Japanese Patent Publication 45-13383 (JP, B1) Japanese Utility Model Showa 49-26997 (JP, Y1) (58) Field surveyed (Int. Cl. ⁷ , DB name) A47L 9/24 A47L 9/32

Claims (1)

(57) [Claims] A body according to claim 1 electric vacuum cleaner incorporating a dust collection chamber and the electric blower to the interior, and the hose unit which is detachably connected from the body front, an extension pipe connected to the hose unit, this comprising a floor nozzle connected to the extension pipe, the main body connecting portion of the hose unit and tubular duct, before
Has a hose which is wrapped wear from the front serial pipe, the hose cover one <br/> pairs covering the covering and adhering part, the handle above the hose cover
Vacuum cleaner integrally formed .