JP3003466B2 - 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 vacuum cleaner and, more particularly, to a structure of a hose unit thereof.

[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]
The invention according to claim 1 of the present invention has a dust collecting chamber built in the front.
The main body of the vacuum cleaner with a built-in electric blower etc.
And a hose unit connected detachably from the front of the body
And the extension tube and floor nozzle connected to this hose unit
And a grip above the body connection of the hose unit.
It is a hand formed .

[0008] The invention described in claim 2 of the present invention is claimed in claim 1.
A buckle operating section for detachably connecting the hose unit described above to a main body is provided on a handle. Claim of the invention
The invention described in Item 3 has a built-in dust collection chamber at the front and an electric motor at the rear.
The main body of the vacuum cleaner with a built-in blower, etc.
Hose unit that is detachably connected and this hose
An extension pipe connected to the unit, a floor nozzle,
Form a handle below the hose unit connection, and
Both ends of the handle are connected to the body connection portion.

The invention according to claim 4 of the present invention is the invention according to claim 3.
The front part of the connection pipe described above is bent approximately 45 degrees upward with respect to a horizontal plane, and a handle is formed on the floor side of the bent part.

[0010]

According to the first aspect of the present invention, by holding the handle formed above the connection portion of the main body of the hose unit,
The main body of the vacuum cleaner can be moved while the stand is stored ,
Even if you lift it with the handle in the stowed state, the main body
It can be performed stably without leaning to the right .

According to the second aspect of the present invention, by disposing the buckle operating portion on the handle, the buckle can be unlocked while holding the handle with good grip, and the hose unit can be easily detached from the main body.

According to the third aspect of the invention, a hose unit is provided.
A handle is formed below the connection part of the main body, and both ends of the handle are formed.
Is connected to the main body connection, so holding the handle
The main body of the vacuum cleaner can be moved while the
Even if you lift it with the handle in the storage state,
It can be performed stably without tilting.

According to the fourth aspect of the present invention, the front portion of the connecting pipe is bent upward at about 45 degrees with respect to the horizontal plane, and a handle is formed on the floor side of the bent portion, so that the handle can be held in the stand stored state. When you hold the body , you can have a good balance of the body .

[0014]

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 is 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.

Reference numeral 39 denotes a handle provided on the upper surface of the main body 21, which can carry and move the main body 21 in 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.

That is, by holding the handle 37, the product can be transported in the stand storage state, and the time required for movement between the storage place and the cleaning place can be shortened, so that the time required for cleaning can be reduced, and at the same time, the movement can be performed. 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.

By the way, since the handle 37 is formed integrally with the hose cover 33 divided into two right and left 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 will be described with reference to FIG. The operation part 42 of the buckle knob 30 is disposed on the main body 21 side of the handle 37 of the hose cover 33 divided into two parts on the left and right, and when the operation part 42 is pushed toward the connection pipe 28 (the floor side in use),
The claw part 43 hooked in the main body 21 is detached from the main body 21, and the connection part 25 of the hose unit 24 can be pulled out from the main body 21.

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 grip 37, so that the hose unit 2 can be released.
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.

[0026] 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.

Next, a third embodiment will be described with reference to FIGS. The connection part 25 is used in the state of use of the vacuum cleaner,
As shown in FIG. 5, the main body 21 can be moved on the floor.
In state, the hose 32 side is bent upward approximately 45 degrees
The connection pipe 45 has a bent portion of the connection pipe 25.
A handle 44 whose ends are connected is provided integrally. Also connect
The part 25 includes a connection pipe 45 below the handle 44 and on the main body 21 side.
Connecting pipe cover 48 covering the lower part of the connecting pipe cover 4.
The light emitting unit 46 and the control unit 4 of the dust detection device
7 are accommodated. Further, the connecting portion 25 is provided with the buckle spring 2.
A buckle knob 30 urged in 9; a knob holder 50 for holding the light receiving portion 49 of the dust detection device with the connection pipe 45;
A pair of hose cover A51 for preventing disengagement of the hose 32 which is Tsutsumigi the connecting tube 45, has a hose cover B52
You . 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.

By the way, in the above configuration, when the stand is stored, the handle portion 44a of the handle 44 is substantially parallel to the floor surface, so that the main body 21 can be easily held without being inclined 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.

The arrangement of the dust detection means and the control unit 47 at the connection unit 25 makes it possible to reduce the weight of the handle 38 of the hose unit 24 and to move the hose unit 24 back and forth during use of the vacuum cleaner. 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 portion 25 than the handle portion 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 is mounted by mounting the dust detecting means and the control section 47. 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.

[0033]

As described above, according to the first aspect of the present invention ,
According to the invention described above, the product can be transported in the stand storage state by holding the handle, and can be used immediately after moving from the storage place to the cleaning place, and after use, the stand storage state is reversed to the storage place By simply transporting the product and placing it in the storage position, cleaning up is completed, and the time before and after use can be shortened, improving usability. In addition, the handle is in the stand storage state
Even if you lift it by holding it, it is stable without tilting
Can be done. Further, even when the stand storage is not used, the hose unit can be stored and stored without damaging the bellows hose by hanging the handle of the hose unit on a hook or the like.

According to the second aspect of the present invention, the handle provided on the hose unit is provided with a buckle operating portion for detachably connecting to the hose unit body, so that the handle can be gripped well. can the unlocking operation of the buckle while grip, good separation operation of from the body of the hose unit
Become .

According to the invention of claim 3 of the present invention,
A handle is formed below the main unit connection part of the base unit.
Hold the handle because both ends of the handle are connected to the body connection
By that, you can move the main body of the vacuum cleaner with the stand stored,
Also, even if you lift with the handle in the stand storage state,
It can be performed stably without the main body tilting to the left and right.
Was, Ru can be robust to form a handle.

According to the fourth aspect of the present invention, when the stand is stored, the handle portion is substantially parallel to the floor surface, and the user can easily hold the main body without tilting the main body with respect to the floor surface. Yes, it can be more easily transported and transported with the stand stored. In use, the front of the connecting pipe is approximately 45 degrees above
The hose is the handle of the hose unit
To the end of the hose unit connection
No hose breakage. In addition, raise the body
And the operation of the hose unit becomes easier.
Usability is improved.

[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 in a state where the vacuum cleaner is stored in a stand.

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

FIG. 4 is a central sectional view of a connecting portion of a hose unit according to a second embodiment.

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

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 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

──────────────────────────────────────────────────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) JP-A 60-168455 (JP, U) JP-A 60-168454 (JP, U) JP-B 45-13383 (JP, B1) JP-B 49-26997 (JP, Y1) (58) Field surveyed (Int.Cl. ⁷ , DB name) A47L 9/32 A47L 9/24

Claims (4)

(57) [Claims] 1. A built-in dust collection chamber at the front and electric blow at the rear
The main body of the vacuum cleaner with a built-in
Hose unit that is detachably connected and this hose unit
An extension pipe connected to a pipe, a floor nozzle,
Vacuum cleaner with a handle formed above the connection unit of the unit . 2. The vacuum cleaner according to claim 1, wherein a buckle operating portion for detachably connecting the hose unit to the main body is provided on the handle. 3. A built-in dust collecting chamber in the front and electric blow in the rear.
The main body of the vacuum cleaner with a built-in
Hose unit that is detachably connected and this hose unit
An extension pipe connected to a pipe, a floor nozzle,
A handle is formed below the connection part of the main unit of the
An electric vacuum cleaner having both ends of a hand connected to the main body connection portion . 4. The front part of the connecting pipe is substantially upward with respect to a horizontal plane.
A bend formed by bending 45 degrees and forming a handle on the floor side of this bent portion
The vacuum cleaner according to claim 3 .