JP7212521B2 - vacuum cleaner - Google Patents

Description

Embodiments of the present invention relate to vacuum cleaners.

2. Description of the Related Art A canister type (floor moving type) vacuum cleaner is known that includes a hose, an extension pipe connected to the hose, and a grip portion slidably provided on the extension pipe.

A cordless vacuum cleaner with a built-in secondary battery is also known.

JP-A-2003-219995

By the way, when cleaning a high place such as a curtain or the top surface of furniture, the user adjusts the length by expanding and contracting the extension pipe and directs the suction port to the place to be cleaned.

However, in order to expand and contract the length from the handle held by the user to the suction port, it is difficult to extend or contract only the extension pipe closest to the suction port, for example, a telescopic structure. To make the center of gravity of the part up to the suction port body closer to the suction port body side. In other words, the center of gravity of the portion from the handle to the suction port moves away from the handle. The farther the center of gravity is from the handle, the more difficult it is to handle it at a high place, which reduces convenience.

Therefore, the present invention proposes a vacuum cleaner that is easy to handle for high places.

In order to solve the above problems, an electric vacuum cleaner according to an embodiment of the present invention includes a suction port body, a dust collection section and an electric blower arranged in order, and a rod extending along the extension of the rod; a plurality of secondary batteries housed in the rod and arranged in a straight line ; and a handle that can move in the region .

Further, in the vacuum cleaner according to the embodiment of the present invention, it is preferable that the rotating shaft of the electric blower and the center line of the rod are arranged substantially linearly.

Furthermore, the vacuum cleaner according to the embodiment of the present invention preferably includes an input section provided on the handle section and capable of inputting an operation instruction and a stop instruction for the electric blower.

Furthermore, the electric vacuum cleaner according to the embodiment of the present invention includes a main body case that houses the electric blower, a control unit that is housed in the main body case and controls the operation of the electric blower, and a handle provided with: a transmitter for wirelessly transmitting the operation instruction and the stop instruction; and a receiver provided in the main body case for wirelessly receiving the operation instruction and the stop instruction and transmitting the instruction to the control unit. preferable.

Moreover, it is preferable that the vacuum cleaner according to the embodiment of the present invention includes a plurality of secondary batteries housed in the rod body and arranged in a straight line.

Furthermore, in the vacuum cleaner according to the embodiment of the present invention, it is preferable that the rotating shaft of the electric blower and the center line of the rod are arranged substantially linearly.

Furthermore, in the vacuum cleaner according to the embodiment of the present invention, it is preferable that a gap is formed between the rod and the handle.

Moreover, it is preferable that the plurality of secondary batteries of the electric vacuum cleaner according to the embodiment of the present invention are arranged at a part of the rod.

Further, in the vacuum cleaner according to the embodiment of the present invention, the rotating shaft of the electric blower, the center line of the portion of the rod body that accommodates the plurality of secondary batteries, and the plurality of secondary batteries of the rod body It is preferable that the center line of the portion not accommodating the battery is arranged substantially linearly.

Furthermore, a vacuum cleaner according to an embodiment of the present invention includes a body case that houses the electric blower, and an extendable extension tube, and the extension tube, the body case, and the rod are arranged in order. , It is preferable that the center of the extension pipe, the rotating shaft of the electric blower and the center line of the rod are arranged substantially linearly.

Moreover, it is preferable that the vacuum cleaner according to the embodiment of the present invention includes an input section provided in the handle section and capable of inputting an operation instruction and a stop instruction for the electric blower.

Furthermore, the vacuum cleaner according to the embodiment of the present invention includes a main body case that houses the electric blower, a control unit that is housed in the main body case and controls the operation of the electric blower, and a handle that is provided with It is preferable to include a transmission unit that wirelessly transmits the operation instruction and the stop instruction, and a reception unit that is provided in the main body case, wirelessly receives the operation instruction and the stop instruction, and transmits the operation instruction and the stop instruction to the control unit. .

Furthermore, it is preferable that the vacuum cleaner according to the embodiment of the present invention includes a cylindrical body case that houses the electric blower, and that the body case has an outer dimension larger than that of the rod .

BRIEF DESCRIPTION OF THE DRAWINGS The perspective view of the vacuum cleaner which concerns on embodiment of this invention. BRIEF DESCRIPTION OF THE DRAWINGS Sectional drawing of the vacuum cleaner which concerns on embodiment of this invention. The figure which shows an example of the usage condition of the vacuum cleaner which concerns on embodiment of this invention.

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a vacuum cleaner according to the present invention will be described below with reference to FIGS. 1 to 3. FIG.

FIG. 1 is a perspective view of a vacuum cleaner according to an embodiment of the invention.

FIG. 2 is a cross-sectional view of the vacuum cleaner according to the embodiment of the invention.

As shown in FIG. 1, the vacuum cleaner 1 according to this embodiment is of a so-called stick type. The vacuum cleaner 1 includes a suction port body 6 having a suction port 5, an extendable extension tube 7, a cylindrical vacuum cleaner main body 11, a battery storage cylindrical body 12, and a grip portion 13. . Also, the vacuum cleaner 1 is a cordless type having a secondary battery 15 .

2, the suction port body 6 and the extension pipe 7 are removed.

The suction port body 6, the extension pipe 7, the cleaner main body 11, the battery housing cylindrical body 12, and the handle portion 13 are all elongated and extend in the same direction. The extending directions of the suction port body 6, the extension pipe 7, the cleaner main body 11, the battery housing cylinder 12, and the handle portion 13 may be arranged in a straight line, or may be deviated in parallel. The end of the vacuum cleaner 1 on the side of the suction port 6 is the front end of the vacuum cleaner 1 , and the end of the vacuum cleaner 1 on the handle portion 13 side is the rear end of the vacuum cleaner 1 .

The cleaner main body 11 has a larger outer diameter than the inlet body 6, the extension pipe 7, the battery housing cylinder 12, and the handle 13, and is the part of the vacuum cleaner 1 with the largest outer diameter. The cleaner body 11 includes a body connection port 18 to which the extension pipe 7 is detachably connected, a body case 19, a dust collector 21 housed in the body case, an electric blower 22, and a controller 23. ing.

The body connection port 18 has a joint structure to which the extension pipe 7 can be attached and detached. The body connection port 18 extends in the extension direction of the vacuum cleaner 1 and is fixed to the body case 19 . The body connection port 18 is a fluid inlet of the cleaner body 11 . The main body connection port 18 fluidly connects the extension pipe 7 and the dust collecting portion 21 . By removing the extension pipe 7, the body connection port 18 also functions as a suction port when the cleaner body 11 is used alone.

The main body case 19 includes a cylindrical portion 19a that houses the dust collector 21 and the electric blower 22, a tapered portion 19b that is connected to the cylindrical portion 19a and has a diameter that decreases toward the rear end of the vacuum cleaner 1, and the tapered portion 19b. and a battery storage cylinder fixing portion 19c that is connected.

The tubular portion 19a has a substantially uniform outer diameter. The cylindrical portion 19a has the maximum diameter of the electric vacuum cleaner 1. As shown in FIG.

The tapered portion 19 b has a plurality of exhaust ports 25 that allow exhaust air from the electric blower 22 to flow out of the main body case 19 . The exhaust port 25 is a slit-shaped opening extending in the extending direction of the tapered portion 19b.

The dust collector 21 is arranged at the front end of the body case 19 and fluidly connected to the body connection port 18 . The dust collection part 21 is detachably mounted in the radial direction of the body case 19 . The dust collector 21 separates, collects, and accumulates dust from the dust-laden air flowing into the cleaner body 11 , and sends clean air from which the dust is removed to the electric blower 22 . The dust collection unit 21 may be of a centrifugal separation method or a filtration separation method.

The electric blower 22 draws in air from the dust collecting section 21 to generate negative pressure (suction negative pressure). A rotating shaft 22 a of the electric blower 22 extends in the extension direction of the vacuum cleaner 1 . A rotating shaft 22 a of the electric blower 22 is arranged substantially along the center line of the tubular portion 19 a of the main body case 19 . Electric blower 22 is driven by electric power stored in secondary battery 15 .

The controller 23 is arranged at the boundary between the cylindrical portion 19a and the tapered portion 19b of the body case 19. As shown in FIG. The controller 23 is exposed to the exhaust air from the electric blower 22 . The control unit 23 includes a microprocessor (not shown) and a storage device (not shown) that stores various calculation programs executed by the microprocessor, parameters, and the like. The storage device stores a plurality of preset operation modes. A plurality of preset operation modes are associated with the magnitude of the operation output of the electric blower 22 .

Battery housing cylinder 12 is a tube or rod of substantially uniform outer diameter. The battery storage cylinder 12 has rigidity capable of holding and protecting the secondary battery 15 and supporting the weight of the vacuum cleaner 1 itself. The rear end portion of the battery housing cylinder 12 is closed so that the secondary battery 15 does not slip out.

The suction port body 6, the extension pipe 7, the dust collector 21, and the electric blower 22 are arranged in this order. In addition, the battery housing cylinder 12 extends along the extension of the arrangement of the inlet body 6, the extension pipe 7, the dust collector 21, and the electric blower 22 (in the direction of the arrangement).

The centerline of the battery housing cylinder 12 substantially coincides with the centerline of the cylinder portion 19 a of the main body case 19 . In other words, the rotating shaft of the electric blower 22 and the center line of the battery housing cylinder 12 are arranged substantially linearly or on the same line.

The secondary battery 15 is, for example, a cylindrical lithium ion battery. A plurality of secondary batteries 15 are housed in the battery housing cylinder 12 . A plurality of secondary batteries 15 are arranged in a straight line inside the battery housing cylinder 12 . The plurality of secondary batteries 15 may be arranged along the entire length of the battery housing cylinder 12 . The plurality of secondary batteries 15 may be arranged in a part of the longitudinal direction (stretching direction) of the battery housing cylinder 12 . For example, the plurality of secondary batteries 15 may be concentrated on the cleaner main body 11 side, or may be located on the end side (free end side, the end side farther from the cleaner main body 11 when viewed from the cleaner main body 11) of the battery housing cylindrical body 12. ). The plurality of secondary batteries 15 may be concentrated in the central portion in the longitudinal direction (stretching direction) of the battery housing cylinder 12 . The plurality of secondary batteries 15 may be arranged at intervals in the longitudinal direction (stretching direction) of the battery housing cylinder 12 . The center line of the portion of the battery housing cylinder 12 that houses the plurality of secondary batteries 15 and the center line of the portion of the battery housing cylinder 12 that does not house the plurality of secondary batteries 15 are substantially linear. are placed in The inner diameter of the battery housing cylinder 12 is slightly larger than the outer diameter of the secondary battery 15 . A charging terminal (not shown) for the secondary battery 15 is provided at an appropriate location of the cleaner body 11, for example, at the base of the battery storage cylinder fixing portion 19c.

The handle portion 13 is fitted onto the cylindrical battery housing body 12 and can move along the cylindrical battery housing body 12 . The grip portion 13 is positioned by an appropriate frictional force. In other words, the handle portion 13 contacts the battery housing cylinder 12 to generate an appropriate frictional force, while the handle portion 13 and the battery housing cylinder 12 are appropriately spaced apart from each other. There is an appropriate gap between The electric vacuum cleaner 1 may include a lock mechanism (not shown) for fixing the handle portion 13 to the battery storage cylinder 12 .

The handle portion 13 is provided with an input portion 26 capable of inputting an operation instruction and a stop instruction for the electric blower 22 . The input unit 26 is provided at a position where the user holding the handle 13 can operate it with his or her fingers. The input unit 26 includes an operation start switch 26a to which operation start operation of the electric blower 22 is input, and an operation stop switch 26b to which operation stop operation of the electric blower 22 is input.

The user of the vacuum cleaner 1 can selectively select the operation mode of the electric blower 22 by operating the input unit 26 . The operation start switch 26a also functions as an operation mode changeover switch while the electric blower 22 is in operation. The control unit 23 switches the operation mode in the order of strong→medium→weak→strong→medium→weak→…… every time an operation signal is input from the operation start switch 26a. Note that the input unit 26 may separately include a strong operation switch (not shown), a medium operation switch (not shown), and a weak operation switch (not shown) instead of the operation start switch 26a.

A plurality of operation modes are associated with the magnitude of the operation output of the electric blower 22 . Different input values (input values of the electric blower 22) are set in advance for the respective operation modes. The control unit 23 selectively selects an arbitrary operation mode corresponding to the operation input to the input unit 26 from a plurality of operation modes, reads out the setting contents from the storage unit, and reads out. The electric blower 22 is controlled according to the setting contents of the operation mode.

The vacuum cleaner 1 also includes a transmission unit 28 provided in the handle 13 for wirelessly transmitting an operation instruction and a stop instruction, and a main body case 19 for wirelessly receiving the operation instruction and the stop instruction. and a receiving unit 29 for transmitting.

The transmitting unit 28 and the receiving unit 29 perform wireless communication using radio waves or light, for example. When light such as infrared light is used, the transmitter 28 and the receiver 29 are arranged in the same phase in the circumferential direction of the vacuum cleaner 1 so as to be able to communicate regardless of the position of the handle 13 and face each other. is preferred. Moreover, it is preferable that the transmitter 28 and the receiver 29 are arranged so as not to be disturbed by the hand of the user holding the handle 13 . For example, the transmitter 28 is arranged at the front end of the handle 13 and the receiver 29 is arranged at the rear end of the body case 19 .

The extension pipe 7 and the suction port 6 suck in dust adhering to objects to be cleaned, such as floor surfaces, furniture, and curtains, together with air, by the negative pressure acting from the electric blower 22 , and guide the dust to the cleaner body 11 .

The extension tube 7 having a telescopic structure in which a plurality of cylindrical bodies are superimposed is an extendable tube. The extension pipe 7 is fluidly connected to the suction side of the electric blower 22 via the main body connection port 18 of the main body case 19 and the dust collector 21 . One end of the extension pipe 7 is provided with a joint structure that can be attached to and detached from the body connection port 18 . The other end of the extension pipe 7 is provided with a joint structure to which the suction port body 6 can be attached and detached. The extension tube 7 can be extended and contracted in multiple steps, for example, in three steps. The extension tube 7 is provided with a lock mechanism 31 for fixing and releasing the extended state or contracted state at each stage.

The suction port body 6 cleans narrow cleaning areas such as gaps between furniture and under beds, and high cleaning areas such as the upper surface of an indoor unit of an air conditioner such as a so-called air conditioner that is difficult to see. Suitable for use with The suction port body 6 includes a longitudinal suction body 35 having a suction port 5, a pipe portion 36 fluidly connected to the suction body 35, joints 37 and 38 in the middle of the pipe portion 36, a joint 37, 38 are provided with positioning mechanisms 41 and 42 capable of positioning each of them at a plurality of positions for each appropriate rotation angle. The pipe portion 36 has a joint structure that can be attached to and detached from the extension pipe 7 .

The vacuum cleaner 1 starts the electric blower 22 when the operation start switch 26a is operated while the electric blower 22 is stopped. When the operation start switch 26a is operated, the vacuum cleaner 1 first operates the electric blower 22 in the high operation mode, and when the operation start switch 26a is operated again, operates the electric blower 22 in the medium operation mode. Once the operation start switch 26a is operated, the electric blower 22 is operated in the weak operation mode, and the same operation is repeated thereafter. The strong operation mode, the medium operation mode, and the weak operation mode are a plurality of operation modes set in advance, and the input value to the electric blower 22 decreases in the order of the strong operation mode, the medium operation mode, and the weak operation mode. The started electric blower 22 exhausts the air from the dust collecting section 21 to make the inside thereof negative pressure.

The negative pressure in the dust collection part 21 acts on the suction port 5 through the body connection port 18 , the extension pipe 7 and the suction port body 6 in sequence. The vacuum cleaner 1 sucks in dust adhering to the surface to be cleaned together with air due to the negative pressure acting on the suction port 5 . The dust collector 21 separates and accumulates dust from the dust-containing air sucked into the electric vacuum cleaner 1 , and sends the air separated from the dust-containing air to the electric blower 22 . The electric blower 22 exhausts the air sucked from the dust collector 21 to the outside of the cleaner main body 11 .

FIG. 3 is a diagram showing an example of the state of use of the vacuum cleaner according to the embodiment of the present invention.

As shown in FIG. 3, the electric vacuum cleaner 1 according to the present embodiment can clean high places, for example, by moving the handle portion 13 to the rear end portion of the battery housing cylindrical body 12 .

In addition, the height of the top surface of the indoor unit ie of the air conditioner is about 25 cm to about 30 cm above the sweep window with a height of about 2 m with a slight distance (about 10 cm). It is assumed that a meter-sized indoor unit is arranged, that is, about 2.35 cm to about 2.40 cm.

The vacuum cleaner 1 according to the present embodiment includes a suction port body 6, an extension pipe 7, a dust collection portion 21, and an electric blower 22 arranged in order, and a suction port body 6, an extension pipe 7, a dust collection portion 21, and an electric blower. 22, a plurality of secondary batteries 15 housed in the battery housing cylinder 12 and arranged in a straight line, and externally fitted to the battery housing cylinder 12. and a handle portion 13 that is movable along the battery housing cylinder 12 . That is, the vacuum cleaner 1 utilizes the storage area (battery storage cylinder 12) for the secondary battery 15 to extend the overall length of the vacuum cleaner 1, and the weight of the secondary battery 15 is placed near the handle portion 13. concentrate. Therefore, the vacuum cleaner 1 is easy to handle toward high places, and the suction port body 6 can be directed further away.

Further, in the vacuum cleaner 1 according to the present embodiment, the rotating shaft of the electric blower 22 and the center line of the battery housing cylinder 12 are arranged substantially linearly or on the same line. Therefore, the electric vacuum cleaner 1 suppresses the occurrence of vibration in the radial direction of the electric vacuum cleaner 1 due to the operation of the electric blower 22, thereby improving ease of handling.

Furthermore, the electric vacuum cleaner 1 according to the present embodiment includes an input section 26 provided on the handle section 13 and capable of inputting an operation instruction and a stop instruction for the electric blower 22 . Therefore, even when the vacuum cleaner 1 moves the grip portion 13 to the rear end portion of the battery housing cylinder 12 and extends the entire length of the vacuum cleaner 1, it is possible to operate the input portion 26 at hand. .

Furthermore, the vacuum cleaner 1 according to this embodiment includes a transmitter 28 provided on the handle 13 and a receiver 29 provided on the body case 19 . Therefore, it does not require a wire for communication, and does not require a structure for protecting the communication line. That is, the vacuum cleaner 1 is made lighter.

Therefore, according to the electric vacuum cleaner 1 according to the present embodiment, it is easy to handle toward a high place.

While several embodiments of the invention have been described, these embodiments have been presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and modifications can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the scope of the invention described in the claims and equivalents thereof.

DESCRIPTION OF SYMBOLS 1... Electric vacuum cleaner, 5... Suction port, 6... Suction port body, 7... Extension tube, 11... Vacuum cleaner main body, 12... Battery storage cylinder, 13... Handle part, 15... Secondary battery, 18... Main body connection Mouth 19 Main body case 19a Cylindrical portion 19b Taper portion 19c Battery storage cylinder fixing portion 21 Dust collecting portion 22 Electric blower 22a Rotation shaft 23 Control portion 25 Exhaust Mouth 26 Input unit 26a Operation start switch 26b Operation stop switch 28 Transmission unit 29 Reception unit 31 Lock mechanism 35 Suction body 36 Tube 37, 38 Joints 41, 42... Positioning mechanism.

Claims (9)

a suction port body, a dust collector, and an electric blower arranged in order;
a rod extending along an extension of the suction port body, the dust collector, and the electric blower;
a plurality of secondary batteries housed in the rod and arranged in a straight line;
A vacuum cleaner, comprising: a handle portion that is fitted onto the rod body and that can move along the rod body in a region where the secondary battery is housed . 2. The vacuum cleaner according to claim 1, wherein the rotating shaft of said electric blower and the center line of said rod are arranged substantially linearly. 3. The electric vacuum cleaner according to claim 1, wherein a gap is formed between said rod and said handle. The electric vacuum cleaner according to any one of claims 1 to 3, wherein the plurality of secondary batteries are arranged on a part of the bar. The rotating shaft of the electric blower, the center line of the portion of the rod housing the plurality of secondary batteries, and the center line of the portion of the rod not housing the plurality of secondary batteries are substantially aligned. 5. A vacuum cleaner according to claim 4 , arranged linearly. a body case that houses the electric blower;
and an extendable extension tube,
The extension pipe, the main body case, and the rod are arranged in order,
The electric vacuum cleaner according to any one of claims 1 to 5, wherein the center of said extension pipe, the rotation axis of said electric blower and the center line of said rod are arranged substantially linearly. 7. The electric vacuum cleaner according to any one of claims 1 to 6 , further comprising an input section provided on the handle section and capable of inputting an operation instruction and a stop instruction for the electric blower. a control unit that is housed in the main body case and controls the operation of the electric blower;
a transmission unit provided in the handle for wirelessly transmitting the operation instruction and the stop instruction;
8. The vacuum cleaner according to claim 7 , further comprising: a receiving section provided in said main body case for wirelessly receiving said operation instruction and said stop instruction and transmitting said instruction to said control section. A cylindrical body case that houses the electric blower,
The electric vacuum cleaner according to any one of claims 1 to 5 , wherein the outer dimensions of the main body case are larger than the outer dimensions of the rod .

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