JPH0335260Y2 - - Google Patents

Description

[Detailed description of the invention] [Purpose of the invention] (Industrial application field) The present invention relates to a vacuum cleaner equipped with a suction port body having an electric brush that scrapes dust from a surface to be cleaned. Regarding the connection structure of the cord to the main body case.

(Prior Art) Conventionally, as shown in FIG. 8, for example, a vacuum cleaner main body case 1 has been integrally molded and has an electric blower built therein.
A hose 3, an extension pipe 4, and a suction port body 5 with a built-in electric brush are sequentially and detachably connected to the suction port 2 on the front side of the unit. 5, extension tube 4,
A vacuum cleaner is known in which dust is fed into a dust collecting chamber of a vacuum cleaner main body case 1 via a hose 3.
In this type of vacuum cleaner, the suction port body 5
Conventionally, an electric brush power cord 6 is electrically connected to the electric brush and provided along the hose 3 and the extension pipe 4 in order to supply power to the electric brush.
A structure is adopted in which the plug 7 is detachably connected to a connector 8 provided on the surface of the main body case 1, for example, the front surface.

(Problems to be Solved by the Invention) In the conventional structure described above, the connector 8 is provided exposed on the surface of the vacuum cleaner main body case 1, which not only looks unsightly but also makes it easy for dust to adhere to the connector 8. . When connecting the plug 7 of the electric brush power cord 6 to the connector 8, there was a problem of poor contact. Also, depending on the type of surface to be cleaned, cleaning may be performed using a suction port without an electric brush, but in this case, the connector 8 to which the high voltage of 100V is applied is exposed.
When a human body or the like touches this connector 8, there is a risk that the human body may receive an electrical shock.

This invention was made in view of the above problems,
The connector to which the plug of the cord for supplying power to the electric brush of the suction port is connected can be covered when not in use without increasing the number of parts. To provide a vacuum cleaner that does not cause dust to adhere and cause poor contact between the connector and the plug, and has improved safety because there is no risk of the human body touching the connector to which high voltage is applied. .

[Structure of the idea]

(Means for solving the problem) The vacuum cleaner of the present invention has a main body case that has a built-in electric blower and a power cord for supplying power to the electric blower, and a main body case that can be detachably attached to the main case. a dust collection case having a suction port connected to the dust collection case and communicating with the electric blower; a suction port body having an electric brush detachably connected to the suction port of the dust collection case via a connecting pipe as appropriate; and a connector connected to the main body case. It is equipped with an electric brush power cord for supplying power to the electric brush of the suction port body through a connection, and a handle whose end is pivoted to the upper surface of the main body case and is provided so as to be freely raised and folded. A connector is provided at a position on the upper surface of the main body case that corresponds to the handle when the handle on the upper surface of the main body case is pushed down, to which a plug provided on the power cord for the electric brush is detachably connected.

(Function) When the vacuum cleaner of the present invention cleans using the suction port body having an electric brush, the handle provided on the top surface of the main body case can be raised up and down, and the handle can be moved up and down. The plug of the electric brush power cord for supplying power to the electric brush is connected to the connector provided at the corresponding position, and the electric brush scrapes out dust from the surface to be cleaned while cleaning. On the other hand, when the vacuum cleaner is not in use or when cleaning with a suction port without an electric brush, the handle is folded down and the handle covers the connector on the top of the main case, preventing dust from adhering to the connector. There is no possibility of contact with the human body, etc.

(Embodiment) The structure of an embodiment of the vacuum cleaner of the present invention will be described with reference to FIGS. 1 to 4.

Reference numeral 11 denotes a main body case having a substantially box shape, and a ventilation hole 12 is formed in the front surface. Further, a storage recess 13 is formed in the front part of the upper surface of the main body case 11, and an upper locking part 14 having a substantially L-shaped cross section is formed in front of the storage recess 13. Further, a lower locking portion 15 is formed to protrude forward from the front side of the lower surface of the main body case 11.

Further, inside the main body case 11, an electric blower 16 and a cord reel device 18 for storing a power cord 17 for supplying power to the electric blower 16 in a freely windable manner are arranged side by side. On the other hand, the electric blower 16 is provided on the rear side of the upper surface of the main body case 11.
A switch button 19 for controlling the power cord 17 and a cord winding button 20 for starting the cord reel device 18 and winding the power cord 17 are arranged in parallel.

Further, a substantially U-shaped handle 21 is provided in the storage recess 13 of the main body case 11 so as to be freely raised and folded. That is, the front end of the handle 21 is pivoted in the storage recess 13, and as the handle 21 is raised and rotated, the handle 21 is stored in the storage recess 13 or protruded from the upper surface of the main case 11. It's becoming like that. Engagement protrusions 22 are formed on both sides of the handle 21, and the storage recess 1 of the main body case 11
Engagement recesses 23 are formed on both sides of the handle 21, and the engagement between the engagement protrusions 22 and the engagement recesses 23 allows the handle 21 to be held in the stored state.

Further, a recessed fitting part 24 is formed on the lower surface of the storage recess 13 of the main body case 11.
A connector 25 electrically connected to the power cord 17 is provided within the fitting portion 24 .
When the handle 21 is folded down and stored,
This handle 21 covers the connector 25.

Further, the main body case 11 is provided with a dust meter 26 at the front end of its upper surface, and rotatably provided with wheels 27 at the lower portions of both sides.

Reference numeral 31 denotes a dust collecting case detachably attached to the front side of the main body case 11, and is formed in a substantially box shape with an open rear surface, and a suction port 32 is formed open on the front side. Further, the dust collecting case 31 is rotatably provided with a clamp 33 at the rear end of the upper surface thereof, and an engagement receiving part 34 is formed protrudingly from the rear end of the lower surface.
The dust collecting case 31 can be attached to and detached from the main body case 11 by engaging the upper locking portion 14 and the lower locking portion 15 of the main body case 11 with the engagement receiving portion 34, respectively. It is becoming more and more popular.

Further, a filter 35 is detachably attached to the rear end of the dust collection case 31 through an opening on the rear surface. Further, a turning ring 36 is rotatably provided on the lower surface of the dust collecting case 31.

In FIG. 3, reference numeral 41 denotes a hose as a connecting pipe, which includes a bellows-shaped hose body 42 that is freely bendable, and a hose body 42 that is provided at one end of the hose body 42 and that is inserted and removably inserted into the suction port 32 of the dust collection case 31. It consists of a cylindrical insertion tube 43 to be attached, and a bent cylindrical grip tube 44 provided at the other end of the hose body 42.

Reference numerals 45 and 46 designate extension tubes as connecting tubes, each of which is formed into the same cylindrical shape, and is adapted to be connected to the grip tube 44 of the hose 41 by sequentially fitting and detaching the same.

Reference numeral 47 denotes a suction port body, and a dust suction port (not shown) is formed on the bottom surface of the suction port body, and an electric brush (not shown) is rotatably provided inside facing the dust suction port. A connector (not shown) is provided on the rear surface. Further, a cylindrical connecting pipe 48 that is fitted and connected to the extension pipe 46 is provided at the rear of the suction port body 47 .

49 is the hose 41 and extension pipes 45, 46
A power cord for an electric brush having a length approximately equal to the sum of the lengths of the main body case 1.
1 connector 25 and the connector of the suction port body 47 are provided with plugs (not shown) that are detachably connected to each other. The electric brush power cord 49 is held along the extension tubes 45 and 46 by appropriate means.

Next, the operation of this embodiment will be explained.

When cleaning, use the suction port 32 of the dust collection case 31.
, hose 41, extension pipes 45, 46, suction port body 4
7 are connected in sequence, but especially when cleaning using the suction port body 47 having an electric brush, connect one plug of the electric brush power cord 49 to the connector of the suction port body 47, and The handle 21 of the case 11 is raised, the other plug of the cord 49 is connected to the connector provided in the storage recess 13 of the main case 11, and power is supplied to the electric brush of the suction port body 47.

Then, during cleaning, the electric brush of the suction port body 47 rotates to scrape out dust from the surface to be cleaned, and the electric blower is driven to suck the dust from the suction port body 47 and move the extension pipes 45 and 46 to the hose 4.
1 into the dust collection case 31, and is stored in the dust collection case 31 by the filter 35.

By the way, when the vacuum cleaner main body is composed of the detachable main body case 11 and the dust collecting case 31 as in the structure of the above embodiment, the connector 25 is provided near the suction port 32 formed in the dust collecting case 31. When trying to do so, the power cord 17 connected to the 100V AC power source is provided in the main body case 11, so the power cord 17 and the connector 25 can be freely connected and detached between the main body case 11 and the dust collection case 31. However, there are many problems in providing such a connection means for a high voltage power source between the cases 11 and 31. However, in this embodiment, since the main body case 11 is provided with the connector 25, there is no need to provide a power supply connection means between the two cases 11 and 31.

In addition, when the connector 25 is provided in the main body case 11 in this way, the hose 41 is connected to the dust collection case 31.
Since the electric brush power cord 49 is connected to the suction port 32 of the electric brush, it is inevitable that the electric brush power cord 49 will be slightly slack. However, since the connector 25 is provided on the upper surface of the main body case 11, even if the power cord 49 for the electric brush becomes slightly slack, it will not touch the floor surface.

In addition, a handle 2 provided on the main body case 11
1 is used in an upright position when carrying the main body case 11, but for example, when the vacuum cleaner is not in use, it is laid down. In this state, the main case 11
Since the handle 21 is opposed to the connector 25 provided in the storage recess 13 and the connector 25 is covered, it looks good and prevents dust from adhering to the connector 25.
Therefore, the contact between the connector 25 and the plug of the electric brush power cord 49 does not deteriorate.

Furthermore, depending on the type of surface to be cleaned, cleaning may be performed using a suction port without an electric brush, and in this case, the plug of the electric brush power cord 49 is not connected to the connector 25, but the handle 21 If the connector 25 is turned upside down so that it faces the connector 25, dust will not adhere to the connector 25 as described above, and there will be no risk of the human body or the like coming into contact with the connector 25 to which high voltage is applied, making it safe.

In the above embodiment, the structure in which the connector 25 is provided on the lower surface side of the storage recess 13 of the main body case 11 has been described.
The end surface of this handle 21 is connected to the connector 25.
It may be arranged so that they are facing each other.

Next, other embodiments of the present invention are shown in FIGS. 5 to 7.
The diagram will be explained.

In this embodiment, the storage recess 1 of the main body case 11 is
A connector 25 is fitted into the fitting portion 24 of No. 3 so as to be vertically movable. Then, both ends of the spring 51 are engaged with annular spring holding portions 25a and 24a formed on the lower surface of the connector 25 and the bottom surface of the fitting portion 24, respectively, and the spring 51 causes the connector 25 to It is constantly biased upward. Additionally, a protruding edge portion 25b formed at the lower end of the connector 25 to protrude in the outer radial direction.
However, the connector 25 is prevented from coming off by coming into contact with a protruding edge 24b formed on the upper end of the fitting portion 24 and protruding in the inner diameter direction.

As shown in FIG. 7, when the handle 51 is folded down, the connector 25 is pushed into the fitting part 24 by the handle 51, but when the handle 51 is raised, the spring 51 Due to the bias, the connector 25 protrudes upward from the fitting portion 24. Since the connector 25 protrudes upward in this way, it becomes easier to connect the plug of the electric brush power cord 49 to the connector 25.

[Effect of idea]

According to the present invention, the connector to which the plug of the electric brush power cord for supplying power from the main body case to the electric brush of the suction port is detachably connected has a handle that can be freely raised and folded on the top surface of the main body case. Since it is installed in a position corresponding to the tilted position, there is no need for an electrical connection between the dust collection case, which is removably attached to the main case and has a suction port, and the main case. When not in use or when cleaning with a suction port without an electric brush, by folding down the handle, the connector can be covered without increasing the number of parts. In addition, since dust does not adhere to this connector, the contact between this connector and the plug of the electric brush power cord will not deteriorate, and there is no risk of the human body touching the connector to which high voltage is applied. It's safe.

[Brief explanation of drawings]

Fig. 1 is a side view with a part cut away showing an embodiment of the vacuum cleaner of the present invention, Fig. 2 is a plan view with a part cut away of the main body case of the same, and Fig. 3 shows the vacuum cleaner in use. FIG. 4 is a perspective view showing the main body case and dust collection case separated, FIG. 5 is a sectional view of the vicinity of the handle showing another embodiment of the present invention, and FIG. 6 is the connector shown above. FIG. 7 is a sectional view showing a state in which the connector is opposed to the handle, and FIG. 8 is a perspective view showing an example of a conventional vacuum cleaner. 11...Main case, 16...Electric blower, 1
7...Power cord, 21...Handle, 25...
Connector, 31...Dust collection case, 32...Suction port, 41...Hose as connecting pipe, 45, 46
...Extension pipe as a connecting pipe, 47...Suction port body,
49...Power cord for electric brush.

Claims (1)

[Scope of Claim for Utility Model Registration] A main body case with a built-in electric blower and a power cord for supplying power to the electric blower, and a suction port that is detachably attached to the main case and communicates with the electric blower. a suction port body that is detachably connected to the suction port of the dust collection case via a connecting pipe as appropriate and has an electric brush; An electric brush power cord for supplying power to the brush, and a handle whose end is pivotally attached to the top surface of the main body case and is freely tiltable, and when the handle on the top surface of the main body case is folded down. A vacuum cleaner characterized in that a connector to which a plug provided on the power cord for the electric brush is detachably connected is provided on the top surface of the main body case to which the handle corresponds.