WO2021171661A1 - 電気掃除機の吸口体およびこれを備えた電気掃除機 - Google Patents

電気掃除機の吸口体およびこれを備えた電気掃除機 Download PDF

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Publication number
WO2021171661A1
WO2021171661A1 PCT/JP2020/033264 JP2020033264W WO2021171661A1 WO 2021171661 A1 WO2021171661 A1 WO 2021171661A1 JP 2020033264 W JP2020033264 W JP 2020033264W WO 2021171661 A1 WO2021171661 A1 WO 2021171661A1
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WO
WIPO (PCT)
Prior art keywords
vacuum cleaner
mouthpiece
suction port
case
main body
Prior art date
Application number
PCT/JP2020/033264
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English (en)
French (fr)
Japanese (ja)
Inventor
遼 山谷
慶太 板垣
雅瑛 横田
伊藤　則和
Original Assignee
日立グローバルライフソリューションズ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日立グローバルライフソリューションズ株式会社 filed Critical 日立グローバルライフソリューションズ株式会社
Priority to CN202080096653.8A priority Critical patent/CN115103618A/zh
Publication of WO2021171661A1 publication Critical patent/WO2021171661A1/ja

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/30—Arrangement of illuminating devices

Definitions

  • the present invention relates to a vacuum cleaner.
  • Patent Document 1 shows a mouthpiece in which a light emitting lamp is arranged in front of the suction port.
  • an object of the present invention is to provide a mouthpiece of an electric vacuum cleaner capable of miniaturization and an electric vacuum cleaner provided with the mouthpiece.
  • a suction case body having a suction port on the bottom surface and a joint portion that communicates with the vacuum cleaner body that generates suction force to suck dust are provided, and the suction port and the joint are provided inside the suction port case body. It is characterized in that it is provided with an internal flow path for communicating the portions, and a light emitting lamp is provided above the internal flow path and behind the suction port.
  • FIG. 5 is a sectional view taken along line VI-VI of FIG. It is an enlarged sectional view around the release button of the vacuum cleaner which concerns on one Embodiment of this invention.
  • FIG. 10 is a cross-sectional view taken along the line XI-XI of FIG.
  • FIG. 10 is a cross-sectional view taken along the line XII-XII of FIG.
  • It is a top view of the state which the accessory is connected to the vacuum cleaner which concerns on one Embodiment of this invention.
  • It is a perspective view which shows the support stand of the vacuum cleaner which concerns on one Embodiment of this invention.
  • FIG. 8 is a cross-sectional view taken along the line XXI-XXI of FIG. It is a detailed view of XXII of FIG.
  • FIG. 1 is a perspective view showing a state in which the vacuum cleaner of the present embodiment is housed in a support base.
  • the vacuum cleaner 100 can be cleaned by changing to various usage modes such as a handy state and a stick state.
  • the support 70 for accommodating the vacuum cleaner 100 is for accommodating the vacuum cleaner 100 in a stick state in which the extension pipe 300 (accessory) and the standard mouthpiece 200 (accessory) are connected, and is stored with the base portion 71. It is configured to include a stand portion 72. Further, the vacuum cleaner 100 can be used by connecting a small suction port (accessory), a broom type suction port (accessory), an extension hose (accessory), etc., which are not shown.
  • the standard mouthpiece 200 is a power brush type in which the brush is rotated by a motor.
  • FIG. 2 is an exploded view of the vacuum cleaner of the present embodiment.
  • the directions of front, back, left, right, up and down as viewed from the vacuum cleaner main body 1 are appropriately shown.
  • the vacuum cleaner 100 includes a vacuum cleaner main body 1, a dust case 2 (dust collector), a storage battery 3, and an airtight holding member 90.
  • the vacuum cleaner main body 1 includes a main body portion 10, a motor case portion 11, and a handle portion 12.
  • the main body 10 is formed with a connection port 10a (suction port) to which an extension pipe 300, a standard mouthpiece 200 (see FIG. 1), and the like are connected.
  • the connection port 10a is made of the same resin as the main body portion 10, the motor case portion 11, the handle portion 12, and the like. Further, the connection port 10a has a substantially circular opening and is formed so as to face forward. Further, the connection port 10a may be an accessory such as the extension pipe 300, the standard mouthpiece 200, a small mouthpiece (not shown), a broom-type mouthpiece (not shown), etc. (hereinafter, collectively referred to as an attachment). There is) can be connected.
  • a terminal not shown
  • a motor-driven accessory such as a standard mouthpiece 200 is connected. Is electrically connected and the brush is rotated by a motor.
  • the main body 10 is provided with an introduction pipe 14 (see FIG. 3) in which the dust case 2 is detachably attached and air including dust sucked from the connection port 10a is sent to the dust case 2.
  • the motor case portion 11 includes an electric blower 40 (see FIG. 6) and a circuit board 50 (see FIG. 6). Further, on the front surface of the motor case portion 11, a circular suction port (not shown) is formed in which clean air collected by the dust case 2 is sucked.
  • the handle portion 12 is provided on the rear side of the main body portion 10 and has a grip portion 12a formed in a substantially L shape.
  • the grip portion 12a has a first grip portion 12a1 extending linearly so as to gradually increase toward the rear side in the front-rear direction, and a second grip portion 12a2 extending linearly in the substantially vertical direction. Further, in the grip portion 12a, the second grip portion 12a2 extends substantially downward from the rear end of the first grip portion 12a1.
  • the first grip portion 12a1 is located on the front side of the second grip portion 12a2.
  • the second grip portion 12a2 is slightly inclined so that the upper portion faces forward with respect to the vertical direction. Further, the first grip portion 12a1 and the second grip portion 12a2 are formed in a substantially rod shape and continuously.
  • both the first grip portion 12a1 and the second grip portion 12a2 in a linear shape, the user can easily recognize the position of the handle. Further, since the first grip portion 12a1 and the second grip portion 12a2 are connected so as to bend at an angle close to a right angle, a hand is moved toward the second grip portion 12a2 when gripping the first grip portion 12a1. On the contrary, when the second grip portion 12a2 is gripped, the hand is less likely to slip toward the first grip portion 12a1.
  • the first grip portion 12a1 extends in the front-rear direction so as to gradually increase toward the rear side. Therefore, it is easy to put a hand in the gap 12c (see FIG. 6).
  • an operation button 12b is provided on the upper surface of the first grip portion 12a1 of the handle portion 12.
  • the operation button 12b is composed of, for example, three buttons of "strong", “standard”, and "off”.
  • Release buttons 18a and 18b that are operated when removing accessories such as the extension pipe 300 are provided on the upper front end and the upper rear portion of the main body 10. By pressing the release buttons 18a and 18b, the lock between the main body 10 and the accessories is released, and the accessories can be removed from the main body 10. The mechanism of the release buttons 18a and 18b will be described later.
  • an airtightness holding member 90 can be attached to the front end of the main body 10.
  • the airtightness holding member 90 has a substantially circular tubular body 91.
  • the tubular body 91 has an elastic portion 91a formed in an annular shape with a soft resin on the tip end side.
  • the tubular body 91 is formed of a material harder than the elastic portion 91a on the base end side, and has a connecting portion 91b that can be connected to the main body portion 10.
  • the tubular body 91 is formed by integrally molding two different members of the elastic portion 91a and the connecting portion 91b.
  • the elastic portion 91a is made of a material that can be elastically deformed (flexible and deformable) such as an elastomer.
  • the entire tip 90s of the airtightness holding member 90 can be brought into close contact with the floor surface, and the suction force is improved as compared with the case where the airtightness holding member 90 is not brought into close contact. Can be made to. Further, by forming the connecting portion 91b with a hard one, the airtight holding member 90 can be attached to the main body portion 10 in a stable state without falling off.
  • the elastic portion 91a is formed of an elastic material such as an elastomer
  • substantially the entire tubular body 91 may be formed of the same material as the connecting portion 91b, and short hairs electrostatically transplanted at the tip of the tubular body 91 may be provided in an annular shape. Even with such an electrostatic flocking, the tip of the airtightness holding member 90 can be brought into close contact with the floor surface as in the elastomer, and the suction force can be improved.
  • a vertically elongated fitting groove 10b is formed on the outer surface of the connection port 10a of the main body 10.
  • One fitting groove 10b is formed on each of the left and right sides.
  • a protrusion (not shown) is formed which is concavely fitted and locked with the fitting groove 10b.
  • the main body 10 may be provided with a light emitting element above the connection port 10a.
  • the storage battery 3 supplies electric power to the electric motor 40a (see FIG. 6) of the electric blower 40 that generates suction power, and is composed of a secondary battery such as lithium ion or nickel hydrogen. Further, the storage battery 3 has a substantially semi-cylindrical case 3a made of synthetic resin, and can be attached to and detached from the main body 10 by sliding the case 3a in the front-rear direction.
  • FIG. 3 is a side view of the vacuum cleaner 100 in the state of FIG. 2 as viewed from the left side.
  • the dust case 2 is of a cyclone type, and has a function of separating air including dust sucked from the introduction pipe 14 into dust and air and collecting dust. Further, the dust case 2 is arranged in front of the motor case portion 11 with the axial direction in the front-rear direction, and has a substantially cylindrical accommodating portion 2a. Further, a substantially rectangular inflow port 2b (see FIG. 2) connected to the introduction pipe 14 is formed on the upper surface (side surface) of the dust case 2. The air containing dust that has flowed into the inflow port 2b becomes a swirling flow, centrifugal force acts on the dust, and after being separated into dust and air in the dust case 2, the air from which the dust is separated is the dust case. It is discharged from the rear part (back surface) of 2.
  • a lid 2c that opens and closes when the dust accumulated in the dust case 2 is discarded is rotatably supported via a hinge portion 2d. Further, a lid lock mechanism 2e for unlocking the lid 2c is provided on the upper portion of the lid 2c.
  • the internal mechanism of the dust case 2 can be configured based on JP-A-2016-137165.
  • FIG. 4 is a perspective view of the vacuum cleaner of the present embodiment.
  • the dust case 2 is attached below the main body 10 and in front of the motor case 11.
  • the lid lock mechanism 2e is hidden on the vacuum cleaner main body 1 side. This is because if the lid lock mechanism 2e is provided on the opposite side (outside), the lid lock mechanism 2e may be released during cleaning.
  • the vacuum cleaner main body 1 may be brought close to the floor surface horizontally.
  • the lid lock mechanism 2e may be released in contact with the floor surface.
  • the positions of the lid lock mechanism 2e and the hinge portion 2d are not limited to this, and may be provided on the left and right sides of the vacuum cleaner main body 1.
  • the dust case 2 is provided with a care brush 2s (see FIGS. 2 and 3) that can be attached and detached.
  • the cleaning brush 2s is arranged at a position where it is difficult to see from the outside when the dust case 2 is attached to the vacuum cleaner main body 1. Therefore, it is difficult to remove the cleaning brush 2s during operation, and it is not necessary to store the cleaning brush 2s in a place different from the vacuum cleaner 100.
  • FIG. 5 is a plan view of the vacuum cleaner of the present embodiment.
  • the connecting portions 91b of the airtightness holding member 90 are formed with extending portions 91b1 and 91b1 extending rearward on both the left and right sides.
  • a concave portion 91b2 is formed between the extension portion 91b1 on the left side and the extension portion 91b1 on the right side in a plan view.
  • the concave portion 91b2 fits with the front end portion 10d1 of the protruding portion 10d formed on the upper surface of the tip of the main body portion 10.
  • the airtightness holding member 90 is positioned in the front-rear direction and the left-right direction with respect to the connection port 10a (see FIG. 2).
  • the introduction pipe 14 formed in the main body 10 is formed so as to extend diagonally rearward to the right and then downward, and is connected to the inflow port 2b (see FIG. 2) of the dust case 2.
  • a swirling flow can be generated in the accommodating portion 2a of the dust case 2, and dust can be effectively separated by centrifugal force.
  • FIG. 6 is a sectional view taken along line VI-VI of FIG.
  • the electric blower 40 is housed in the motor case portion 11 of the main body portion 10.
  • the electric blower 40 is driven by the electric motor 40a.
  • a circuit board 50 (circuit board) for controlling the vacuum cleaner main body 1 is housed above the electric blower 40.
  • the electric blower 40 and the circuit board 50 are arranged so as to overlap each other in the vertical direction. Therefore, the dimension of the vacuum cleaner main body 1 in the front-rear direction can be shortened. Further, in the electric blower 40, the motor case portion 11 is formed so as to bulge toward the handle portion 12, so that the dimension of the main body portion 10 in the front-rear direction (total length) can be shortened.
  • the electric blower 40 and the circuit board 50 are located below the first grip portion 12a1 of the handle portion 12. As a result, when the user grips and operates the first grip portion 12a1, the center of gravity of the vacuum cleaner 100 is near the lower side of the first grip portion 12a1. Therefore, when the tip of the vacuum cleaner 100 is used upward, the vacuum cleaner 100 can be stably held.
  • a gap 12c for inserting a hand is formed between the first grip portion 12a1 and the upper surface 11c of the motor case portion 11. Further, a gap 12d is formed between the second grip portion 12a2 and the back surface 11d of the motor case portion 11.
  • the thickness T1 of the first grip portion 12a1 is formed to be thin, and the thickness T2 of the second grip portion 12a2 is formed to be thicker than the thickness T1. That is, the first grip portion 12a1 is formed to be thin, and the second grip portion 12a2 is formed to be thick. In this way, when the second grip portion 12a2 is gripped and cleaned, the thickness T2 of the second grip portion 12a2 can be increased to facilitate deep grip and increase the strength of the second grip portion 12a2. can.
  • the storage battery 3 can be composed of, for example, a lithium ion battery having high energy efficiency. Further, the storage battery 3 is arranged below the second grip portion 12a2 of the handle portion 12. By providing the storage battery 3 at the rear end of the vacuum cleaner 100 in this way, the center of gravity of the handle portion 12 becomes closer to the second grip portion 12a2. Can be lightened.
  • the airtightness holding member 90 is formed so that the tip (tip surface) 90s is inclined so as to recede from the upper part to the lower part so as to be substantially parallel to the cleaning surface when the second grip portion 12a2 is terminated. There is.
  • the dust case 2 is located behind the surface R2 passing through the tip 90s. As a result, even when the tip 90s of the airtightness holding member 90 is brought into contact with the floor surface such as flooring, it is possible to prevent the dust case 2 from hitting the floor surface.
  • the filter 5 is housed at the rear end of the housing portion 2a in the axial direction.
  • the filter 5 is formed by folding it into a pleated shape, so that the filter area can be increased and the pressure loss due to the filter 5 can be reduced.
  • the filter 5 is composed of, for example, a high-density HEPA filter (High Efficiency Particulate Air Filter).
  • the HEPA filter is an air filter having a particle collection rate of 99.97% or more and an initial pressure loss of 245 Pa or less with respect to particles having a rated air volume and a particle size of 0.3 ⁇ m.
  • the dust case 2, the electric motor 40a, and the storage battery 3 are arranged in a straight line in the longitudinal direction (front-back direction) of the vacuum cleaner main body 1.
  • the dust case 2 and the electric motor 40a are arranged coaxially in the longitudinal direction (front-back direction) of the vacuum cleaner 100.
  • the electric motor 40a and the storage battery 3 require a large space for their installation.
  • the width of the vacuum cleaner 100 in the vertical direction can be narrowed to make the vacuum cleaner 100 compact.
  • an arrow F indicates the flow of air sucked into the vacuum cleaner 100.
  • the air sucked into the dust case 2 enters the electric blower 40.
  • the air passes around the motor 40a and cools the motor 40a. Further, a part of the air that has passed through the electric motor 40a flows in the storage battery 3 and cools the storage battery 3.
  • the remaining part of the air that has passed around the motor 40a and the air that has passed through the storage battery 3 merge at the circuit board 50 to cool the circuit board 50, and then are discharged to the outside of the vacuum cleaner 100 system. ..
  • the storage battery 3 since the storage battery 3 is arranged directly behind the motor 40a, it is easy for the cooling air to flow into the storage battery 3. As a result, the storage battery 3 can be easily cooled efficiently.
  • a circuit board accommodating space 50a for accommodating the circuit board 50 is provided in the housing above the electric motor 40a behind the introduction pipe 14. Since the introduction pipe 14 must be formed in the front portion of the vacuum cleaner 100 in order to generate a swirling flow inside the dust case 2, there is a certain thickness in the vertical direction. Therefore, even if the housing of the vacuum cleaner 100 is provided with a thickness in the vertical direction to form the circuit board accommodating space 50a behind the housing, the thickness of the vacuum cleaner 100 in the vertical direction does not increase as a whole. Therefore, if the circuit board 50 is housed in the circuit board accommodating space 50a, it is not necessary to separately provide a space for storing the circuit board 50, so that an increase in the thickness of the vacuum cleaner 100 in the vertical direction can be suppressed. ..
  • the manufacturing cost of the vacuum cleaner 100 can be reduced by shortening the wiring and improving the workability at the time of manufacturing.
  • FIG. 7 and 8 are enlarged cross-sectional views around the release buttons 18a and 18b.
  • the connection to the vacuum cleaner main body 1 of the accessories such as the extension pipe 300 and the standard mouthpiece 200 can be released.
  • FIG. 7 shows a state in which neither the release button 18a nor 18b is pressed. In this state, when the release button 18a is first pressed, the release button 18a and its base end portion 18a1 are tilted forward and downward. As a result, the predetermined lock mechanism is released, and the accessory can be removed from the vacuum cleaner main body 1.
  • the release button 18b in addition to the release button 18a, the user of the vacuum cleaner 100 can operate the release button 18b while holding the first grip portion 12a1 to remove the accessory from the vacuum cleaner main body 1. Can be done.
  • FIG. 9 is a side view of the vacuum cleaner viewed from the right side.
  • attachment / detachment mechanisms 2g, 19 for attaching / detaching the dust case 2 to / from the vacuum cleaner main body 1 are provided. That is, when the dust case 2 is attached to the vacuum cleaner main body 1, the attachment / detachment mechanism 2g and the attachment / detachment mechanism 19 are connected by a predetermined mechanism.
  • the attachment / detachment mechanism 2g, 19 extends to the lowermost part of the vacuum cleaner 100.
  • the lower end of the attachment / detachment mechanism 19 is the lowermost part of the vacuum cleaner 100, and a leg portion 19a is provided under the attachment / detachment mechanism 19. Has been done. Further, a leg portion 3n is also provided at the lower end of the rear end of the storage battery 3.
  • the vacuum cleaner 100 When placed on a horizontal flat surface F with the lower side of the vacuum cleaner 100 facing down, heavy parts such as the electric motor 40a and the storage battery 3 may be present in the lower rear part of the vacuum cleaner 100, and electricity.
  • the vacuum cleaner 100 is supported by the legs 19a and 3n on a horizontal plane F.
  • the electricity placed on the horizontal plane F is electric.
  • the vacuum cleaner 100 faces diagonally upward. Therefore, the tip of the connection port 10a, which is the suction port, also faces diagonally upward. Therefore, the tip 90s of the airtightness holding member 90 also faces diagonally upward. Therefore, when the vacuum cleaner 100 is supported on the horizontal flat surface F, the dust remaining inside the connection port 10a and the airtightness holding member 90 is unlikely to spill out.
  • the storage battery 3 can be charged by connecting an AC adapter (not shown) to the terminal t provided on the right side of the vacuum cleaner main body 1.
  • FIG. 10 is a side view of the vacuum cleaner of the present embodiment as viewed from the left side.
  • FIG. 11 is a cross-sectional view taken along the line XI-XI of FIG.
  • the housing 20 that covers the motor 40a and the circuit board 50 is a flame-retardant case. Since the motor 40a and the circuit board 50 are not covered with the double or triple housing structure, the weight of the vacuum cleaner 100 can be reduced.
  • FIG. 12 is a cross-sectional view taken along the line XII-XII of FIG.
  • the storage battery 3 is an assembled battery, and five cell cells 3h (battery cells) are arranged side by side in the case 3a, two on the top and two on the bottom, and one in the center. Have been placed.
  • the axial direction of the cell 3h in the front-rear direction in this way, the width of the storage battery 3 can be narrowed as compared with the case where the axial direction of the cell 3h is directed in the left-right direction.
  • the cell 3h is housed in a state of being held by the holding member 3j made of synthetic resin.
  • the holding member 3j is configured such that a gap 3k is formed between the upper cell 3h and the lower cell 3h.
  • FIG. 13 is a plan view of a state in which accessories are connected to the vacuum cleaner.
  • the vacuum cleaner 100 is configured so that the extension pipe 300 can be connected in a state where the airtightness holding member 90 is connected to the vacuum cleaner main body 1.
  • the position of the connection port 10a for connecting the extension pipe 300 does not change. Therefore, the total length L connecting the vacuum cleaner main body 1, the extension pipe 300, and the standard mouthpiece 200 can be kept short. As a result, the position of the standard mouthpiece 200 is closer to the hand, so that the handling is improved and the usability can be improved.
  • the airtightness holding member 90 remains attached to the vacuum cleaner body 1. be. Therefore, cleaning can be performed with the suction power increased.
  • the extension pipe 300 and the standard mouthpiece 200 are connected to the vacuum cleaner 100 has been described as an example, but the present invention is not limited to this embodiment.
  • the standard mouthpiece 200 can be directly connected to the connection port 10a and used as a handheld vacuum cleaner 100.
  • the airtightness holding member 90 enhances the airtightness with the floor surface, so that the suction force can be increased.
  • the vacuum cleaner 100 various accessories (attachments) can be attached / detached while the airtightness holding member 90 is attached to the vacuum cleaner main body 1, and the cleaning usage pattern can be quickly switched to perform cleaning. be able to. Further, since the airtightness holding member 90 can be left attached to the vacuum cleaner main body 1, the vacuum cleaner 100 in a handy state to which the airtightness holding member 90 is attached can perform cleaning while ensuring a high suction force.
  • FIG. 14 is a perspective view showing a support base of the vacuum cleaner.
  • the support base 70 shown in FIG. 14 is in a state in which the vacuum cleaner 100 and all accessories (attachments) are removed.
  • the support base 70 is composed of a base portion 71 and a stand portion 72.
  • the base portion 71 has a substantially rectangular mounting surface 71a on which the standard mouthpiece 200 (see FIG. 1) is mounted.
  • the mounting surface 71a is provided with a locking portion 71a1 for locking the standard mouthpiece 200 from sliding down to the front side.
  • the stand portion 72 extends vertically upward from the stand portion support portion 71b provided behind the mounting surface 71a.
  • An engaging portion 72a is provided on the upper front portion of the stand portion supporting portion 71b.
  • FIG. 15 is a side view showing the vacuum cleaner and the support base.
  • the vacuum cleaner 100 is supported by the support base 70 with the extension pipe 300 and the standard mouthpiece 200 connected to the vacuum cleaner main body 1.
  • a substantially L-shaped hook 301 with the tip on the lower side is provided at the tip of the extension pipe 300.
  • the hook 301 is engaged with the engaging portion 72a (FIG. 14) provided on the stand portion 72 of the support base 70.
  • the standard mouthpiece 200 is locked to the locking portion 71a1 on the mounting surface 71a.
  • the entire vacuum cleaner 100 can be supported by the support base 70 with the vacuum cleaner body 1 side on the upper side and the standard mouthpiece 200 side on the lower side.
  • the vacuum cleaner 100 can be installed on the support base 70 in the stick state, the vacuum cleaner 100 can be used immediately in the stick state when cleaning next time.
  • the mounting surface 71a of the base portion 71 is formed so as to extend forward from the extension pipe 300.
  • the standard mouthpiece 200 is placed on the mounting surface 71a in a state where the standard mouthpiece 200 is connected to the extension pipe 300, that is, when the extension pipe 300 and the standard mouthpiece 200 are connected to the vacuum cleaner body 1 (stick state). Can be supported. Therefore, the vacuum cleaner 100 can be stably supported by the support base 70.
  • FIG. 16 is a usage pattern diagram when cleaning the floor surface with a stick-state vacuum cleaner.
  • the extension pipe 300 and the standard mouthpiece 200 are connected to the vacuum cleaner 100 (with the airtightness holding member 90 attached) to make a stick state, and the vacuum cleaner 100 is projected forward from the user to the floor surface.
  • the user can perform cleaning while moving the vacuum cleaner 100 back and forth while gripping the second grip portion 12a2 of the handle portion 12.
  • the vacuum cleaner 100 can be moved back and forth. In this way, when the user cleans the floor surface, the position of the handle portion 12 can be changed for cleaning.
  • FIG. 17 is a usage pattern diagram when cleaning a high place with a stick-state vacuum cleaner.
  • the electric blower 40 (see FIG. 6) and the storage battery 3 which are heavy objects of the vacuum cleaner 100 are located at a position close to the handle portion 12 (a position close to the hand).
  • the center of gravity G of the vacuum cleaner 100 is closer to the user's hand.
  • the vacuum cleaner 100 when the vacuum cleaner 100 is used in the stick state, when removing the dust remaining at the corner (corner) of the stairs, the extension pipe 300 and the standard mouthpiece 200 are removed from the vacuum cleaner 100 to be in a handy state. To. In this case, since the airtightness holding member 90 is still attached to the vacuum cleaner 100, it is possible to perform cleaning with the suction force increased, and it is possible to prevent the dust from being left unsucked.
  • FIG. 18 is a top view of the standard mouthpiece 200.
  • the standard mouthpiece 200 includes a mouthpiece case 210 having a substantially T-shape when viewed from above, and a mouthpiece joint 213 connected to the mouthpiece case 210.
  • the mouthpiece case 210 is formed of an upper case 210a and a lower case 210b.
  • the mouthpiece case 210 includes a mouthpiece body 211 formed elongated in the left-right direction (width direction) and a connecting portion 212 connected to the mouthpiece joint 213 at the center of the mouthpiece body 211 in the left-right direction in a top view. ..
  • the connecting portion 212 is formed with a part (see FIG. 19) of an internal flow path S that communicates the suction port P and the suction port joint 213.
  • the mouthpiece main body 211 is provided with bumpers 211a by insert molding from the front end surface to the left and right side surfaces.
  • the bumper 211a is made of an elastic material such as rubber or elastomer, or a resin material such as polypropylene to ensure airtightness inside the mouthpiece main body 211 during use and when the standard mouthpiece 200 collides with furniture or the like. It plays the role of a cushioning material that prevents damage to the furniture and the like and absorbs the impact on the mouthpiece main body 211.
  • the bumper 211a does not necessarily have to be provided on the mouthpiece main body 211 by insert molding, but may be provided on the mouthpiece main body 211 by means such as adhesion or fitting with a claw that does not unintentionally come off during use.
  • the mouthpiece joint 213 includes a first connecting portion 214 that is rotatably connected to the connecting portion 212, and a second connecting portion 215 that is rotatably connected to the first connecting portion 214.
  • the first connecting portion 214 has a substantially D-shape in the top view of FIG. 18, and has a cylindrical shaft 214a connected to the connecting portion 212.
  • the shaft 214a is supported by a bearing portion 212g (see FIG. 21) whose axial direction is the left-right direction of the mouthpiece main body 211 and both ends of the shaft 214a are formed in the connecting portion 212.
  • the first connecting portion 214 is configured to be rotatable from a state substantially parallel to a floor surface (cleaning surface) M (see FIG.
  • the second connecting portion 215 is configured to be rotatable with respect to the first connecting portion 214 in the left-right direction of the mouthpiece main body 211 (clockwise and counterclockwise in FIG. 18). Thereby, for example, the extension pipe 300 can be tilted from a state in which the extension pipe 300 is substantially perpendicular to the floor surface M toward a state in which the extension pipe 300 is substantially parallel to the floor surface M. Further, the second connecting portion 215 is provided with a power feeding terminal 215a on which power is supplied. In this embodiment, the electric power to be supplied to the standard mouthpiece 200 is supplied from the vacuum cleaner main body 1 through the extension pipe 300.
  • FIG. 19 is a bottom view of the mouthpiece.
  • FIG. 20 is a side view of the mouthpiece.
  • the mouthpiece 6 includes a rotary cleaning body (rotary brush) 220.
  • the mouthpiece case 210 (mouthpiece body 211) is formed with a brush chamber Q having a suction port P on the bottom surface (the surface facing the cleaning surface).
  • the rotary cleaning body 220 is arranged on the front side in the front-rear direction along the left-right direction of the mouthpiece main body 211, and is rotatably supported in the brush chamber Q. Further, the rotary cleaning body 220 includes a plurality of types of brushes 220a and 220b such as brushes having different hardness and height, and a rotary core for holding them in a spiral shape, and is provided with a rotary core for holding them in a spiral shape. It is continuously provided from one end side to the other end side in the axial direction of 220).
  • the present invention is not limited to this, and one type may be used, and three or more types may be used.
  • a configuration may be added in which a blade member made of an elastic material such as rubber is spirally arranged between the brushes arranged in a spiral shape, which can be appropriately changed. In this way, since the brush configuration of the rotary cleaning body 220 can be easily changed, there is also an effect that it is easy to correspond to a mouthpiece for different purposes such as for a wooden floor or a carpet.
  • the brushes 220a and 220b are inserted into a plurality of spiral grooves, the assembly process is easy and the manufacturing cost can be suppressed.
  • the standard mouthpiece 200 is provided with a brush drive switch 216 and wheels 217 on the bottom surface of the mouthpiece case 210.
  • the brush drive switch 216 is a switch that detects whether or not the bottom surface of the standard mouthpiece 200 is in contact with the floor surface M (cleaning surface), and is configured together with the wheels 216a.
  • the wheel 216a is provided so that a part of the wheel 216a always protrudes from the bottom surface of the mouthpiece case 210 by an urging means such as a spring.
  • the motor 240 (see FIG. 21) is driven by the control of the circuit board 250 (control board) (see FIG. 21).
  • the electric motor 240 is driven by the control of the circuit board 250, and the rotary cleaning body 220 rotates.
  • FIG. 22 shows a cross-sectional view taken along the line XXII-XXI of FIG. 18, and FIG. 23 shows an enlarged view of XXII of FIG.
  • An airtight packing 264 for forming a flow path is provided on the upper surface of the internal flow path S, and an LED substrate 261 provided with a light emitting lamp 260 is arranged between the airtight packing 264 and the upper case 210a.
  • the internal flow path S is located at a portion where the suction port P and the suction port joint 213 communicate with each other.
  • the light emitting lamp 260 is located above the internal flow path S and behind the suction port P.
  • the front-rear length of the standard mouthpiece 200 can be shortened as compared with the case where the light emitting lamp is provided in front of the suction port P, so that the size and weight can be reduced. can do.
  • the suction port P can be brought as close as possible to the wall surface N, and dust falling near the wall surface N can be sucked.
  • the height in front of the standard mouthpiece 200 is set to the same height as the height of the rotary cleaning body 220. Can be done. This has the effect of making it easier to see the front of the standard mouthpiece 200 during cleaning than when the light emitting lamp is located above the internal flow path S and above the suction port P.
  • the LED holder 262 is fitted to the upper case 210a by a claw formed on the LED holder 262.
  • the upper surface and the left and right surfaces of the LED substrate 261 are held by the ribs of the upper case 210a, and the lower surface is held by the LED holding portion 262c of the LED holder 262 to prevent the light emitting lamp 260 from swinging up, down, left and right.
  • the LED holder 262 is provided with lens portions 262a and 262b, which are light refraction means, and each has a different shape, so that the light rays emitted from the light emitting lamp 260 can efficiently reach the floor surface M.
  • the weight can be reduced.
  • the lead wire 263 (see FIG. 22) for supplying power to the LED board 261 is wired to the upper case 210a and the lower case 210b through the outside of the internal flow path S, connected to the circuit board 250, and the vacuum cleaner main body 1 Power is supplied from. As a result, power can be supplied to the LED substrate 261 while ensuring the airtightness of the internal flow path S.
  • the present invention is not limited to the above-described embodiment, and includes various modifications.
  • the above-described embodiment has been described in detail in order to explain the present invention in an easy-to-understand manner, and is not necessarily limited to those having all the described configurations.
  • Vacuum cleaner body 1 ... Vacuum cleaner body, 2 ... Dust case (dust collector), 3 ... Storage battery, 10a ... Connection port (suction port), 14 ... Introduction pipe, 40 ... Electric blower, 200 ... Standard mouthpiece, 260 ... Light emitting lamp

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
PCT/JP2020/033264 2020-02-28 2020-09-02 電気掃除機の吸口体およびこれを備えた電気掃除機 WO2021171661A1 (ja)

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CN202080096653.8A CN115103618A (zh) 2020-02-28 2020-09-02 电动吸尘器的吸口体以及具备该吸口体的电动吸尘器

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JP2020-032582 2020-02-28
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5543837A (en) * 1978-09-20 1980-03-27 Matsushita Electric Ind Co Ltd Lead wire detector
JP2008161472A (ja) * 2006-12-28 2008-07-17 Toshiba Corp 電気掃除機
JP2015154869A (ja) * 2014-02-21 2015-08-27 日立アプライアンス株式会社 電気掃除機の吸口体及びその吸口体を用いた電気掃除機

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5543837U (zh) * 1978-09-18 1980-03-22
JP2003190060A (ja) * 2001-12-28 2003-07-08 Matsushita Electric Ind Co Ltd 電気掃除機
KR100518620B1 (ko) * 2005-05-12 2005-10-04 조영만 침구용 살균장치
JP2010148661A (ja) * 2008-12-25 2010-07-08 Sanyo Electric Co Ltd 床用吸込具及びそれを連結する電気掃除機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5543837A (en) * 1978-09-20 1980-03-27 Matsushita Electric Ind Co Ltd Lead wire detector
JP2008161472A (ja) * 2006-12-28 2008-07-17 Toshiba Corp 電気掃除機
JP2015154869A (ja) * 2014-02-21 2015-08-27 日立アプライアンス株式会社 電気掃除機の吸口体及びその吸口体を用いた電気掃除機

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