JP4743668B2 - Cyclone vacuum cleaner - Google Patents

Description

  The present invention relates to a cyclonic vacuum cleaner that collects dust using a cyclone.

Conventionally, as this type, a vacuum cleaner body having an electric blower at the top and a cyclone cylinder detachably provided at the bottom, a suction nozzle detachably provided below the vacuum cleaner body, and the vacuum cleaner A stick-type cyclonic vacuum cleaner having a handle protruding above the main body is known (for example, Patent Document 1).
JP 2003-204907 A

  In such a stick-type cyclone vacuum cleaner, a heavy electric blower is placed at the top of the vacuum cleaner body, which increases the center of gravity of the vacuum cleaner. The operability when moving on the floor tends to be poor.

  In order to solve such a problem, the same applicant has proposed a cyclonic vacuum cleaner of Japanese Patent Application No. 2006-75396. This cyclone type vacuum cleaner has an electric blower in the lower part and a vacuum cleaner main body in which a cyclone cylinder is detachably provided in the upper part, and a primary part of the cyclone cylinder is provided in the vacuum cleaner main body through a suction path. A suction nozzle that communicates with the side, and an exhaust passage that communicates the primary side with the secondary side of the cyclone cylinder and communicates the secondary side with the primary side of the electric blower. The cyclone cylinder having an outer cylinder fixed coaxially to the outer periphery of the cyclone cylinder main body has a weight by integrally forming at least a part of the suction path and at least a part of the exhaust path. By arranging the electric blower in the lower part, the center of gravity of the entire vacuum cleaner can be lowered, and at least a part of the suction path and at least a part of the exhaust path are provided in the cyclone cylinder. By molded into the body, but there is no need to form these relay route separately.

  However, in the cyclone type vacuum cleaner, since the outer cylinder is fixed to the outer periphery of the cyclone cylinder body, the relatively large cyclone cylinder is removed to remove dust accumulated in the cyclone cylinder after cleaning. After removal, the dust had to be discarded, leaving room for improvement.

  The problem to be solved by the present invention is to improve the operability of the cleaner by lowering the position of the center of gravity of the cleaner body and to easily remove dust accumulated in the cyclone cylinder.

The invention of claim 1 has a vacuum cleaner main body having an electric blower at the bottom and a cyclone cylinder detachably provided on the electric blower, and the cyclone cylinder detachably provided on the vacuum cleaner main body via an intake passage. A suction nozzle that communicates with the primary side, and an exhaust passage that communicates the primary side with the secondary side of the cyclone cylinder and communicates the secondary side with the primary side of the electric blower,
The cyclone cylinder includes a bottomed cyclone cylinder main body, and an outer cylinder coaxially disposed on an outer periphery of the cyclone cylinder main body, and the cyclone cylinder main body is detachably fitted to the cyclone cylinder main body. The outer cylinder portion provided at the lower portion of the outer cylinder surrounds the outer periphery of the cyclone cylinder body on the bottom side of the cyclone cylinder body with a gap between the electric cylinder and the electric cylinder. The cyclone type electric vacuum cleaner is provided so as to be connectable to a primary side of a blower, a filter body is provided on a primary side of the electric blower, and an upper portion of the filter body is inserted into the gap .

According to a second aspect of the present invention, there is provided a cyclone electric device according to the first aspect , wherein a knob portion is provided on the cyclone cylinder main body and an inner / outer communication portion is provided so that the knob portion protrudes outward from the outer cylinder. It is a vacuum cleaner.

According to a third aspect of the present invention, an airtight first seal portion in contact with the outer periphery of the primary side of the electric blower is integrally provided at a lower portion of the filter body, and an airtight second seal in contact with the outer cylinder. The cyclonic electric vacuum cleaner according to claim 1, wherein the seal portion is provided integrally .

A fourth aspect of the present invention is the cyclonic electric vacuum cleaner according to the first aspect , wherein a concave portion is formed in a central portion of the filter of the filter body, and an upper portion thereof is inserted into the gap .

According to the first aspect of the present invention, since the heavy electric blower is arranged at the lower part, the center of gravity of the entire vacuum cleaner can be lowered, and the upper part of the filter body is the outer cylinder and the cyclone cylinder. By inserting the filter body into the gap, the height of the filter body inserted into the gap can be increased to enlarge the surface area of the filter as much as possible. Further, by separating the cyclone cylinder into a cyclone cylinder main body and an outer cylinder separate from the cyclone cylinder main body, dust accumulated in the cyclone cylinder can be easily taken out by taking out only the cyclone cylinder main body. Can do.

According to invention of Claim 2, when the said cyclone cylinder is opened, the knob part which protrudes outside can be picked and a cyclone cylinder main body can be taken out.

According to invention of Claim 3, the airtightness of the primary side of the said electric blower is aimed at reducing the number of parts by the 1st seal part and the 2nd seal part which were integrally provided in the lower part of the said filter body. Can be improved.

According to invention of Claim 4, the filter of the said filter body is provided along the inner surface of the said outer cylinder, and the recessed part of the said filter is provided along the outer surface of the said cyclone cylinder, The filter of the said filter body The surface area of can be increased.

  Preferred embodiments of the present invention will be described with reference to the accompanying drawings. The embodiments described below do not limit the contents of the present invention described in the claims. In addition, all of the configurations described below are not necessarily essential requirements of the present invention.

  A present Example is described based on an accompanying drawing. In this embodiment, the longitudinal direction is defined as up and down with reference to the posture of FIG. An electric blower 5 including an electric motor 3 and a fan 4 attached to a rotating shaft of the electric motor 3 is provided inside a lower portion of the vacuum cleaner main body 2 to which the suction nozzle 1 is detachably attached. A cyclone cylinder 6 is detachably provided at an upper portion of the cylinder, and a primary side 5A of the electric blower 5 faces the lower part of the cyclone cylinder 6 and a secondary side 5B of the electric blower 5 is cleaned. It is connected to an exhaust section 7 provided in the machine body 2 and communicates with the outside air. A bar-like handle 8 projects upward from the cleaner body 2.

  The suction nozzle 1 is provided with a horizontally long suction port 9 at the front part of the lower surface thereof, and a connection pipe 10 is slidably erected at the rear part of the upper surface, and the wheel 11 is rotatable at the rear part thereof. Is provided.

  The cyclone cylinder 6 includes a cyclone cylinder main body 6A having a bottom and a cylindrical outer cylinder 6B which is disposed on the outer periphery of the cyclone cylinder main body 6A and separate from the cyclone cylinder main body 6A. The axial centers X of the outer cylinder 6B and the outer cylinder 6B are arranged coaxially. And the said cyclone cylinder main body 6A is comprised so that attachment or detachment is possible inside the said outer cylinder 6B. The cyclone cylinder main body 6A separates clean air and dust by the centrifugal force generated by the swirling airflow, using the air containing the dust sucked from the suction nozzle 1 as a swirling airflow. The lower side of the outer cylinder 6 </ b> B of the cyclone cylinder 6 is seated on the mounting receiving surface 12 formed in the housing portion 2 </ b> A of the cleaner body 2. In addition, the said accommodating part 2A is formed in the said cleaner body 2 with upper and back opening, and the receiving surface 12 for the above-mentioned is provided in the bottom part of this accommodating part 2A. The primary side 5 </ b> A of the electric blower 5 is slightly projecting upward in a plane annular shape at an approximately center of the mounting receiving surface 12.

  The cyclone cylinder body 6A is formed in a substantially cylindrical shape with a transparent or translucent resin having an upper opening 13 and a bottom 14 integrally therewith, and the upper opening 13 is closed by the upper opening 13. A lid 15 is provided. The cyclone cylinder main body 6A has a cutout portion 13A of the upper opening portion 13 which is a lower edge of the cutout portion 6D so that the upper opening portion 13 does not block a primary side 6C (cutout portion 6D) described later. It fits slightly below the lower edge. Further, in the cyclone cylinder main body 6A, a straight cylinder part 16 having substantially the same diameter is formed from the upper opening part 13 to the middle, and the width gradually decreases from the straight cylinder part 16 toward the bottom part 14, That is, a conical cylinder portion 17 having a small diameter is continuously provided, and the substantially flat bottom portion 14 is continuously provided in a disc shape at the lower end thereof.

  The outer cylinder 6B is provided with an upper opening 13B at the same height position as the upper opening 13 and from the lower end of the outer straight cylinder part 16A that is fitted to the straight cylinder part 16 at substantially the same height position. An outer cylindrical portion 18 that is substantially coaxial with the outer straight cylindrical portion 16A is provided integrally with the conical cylindrical portion 17 so as to have a first gap 19 on the entire circumference. Further, the lower end 18A having an annular plane in the outer cylinder portion 18 is disposed below the bottom portion 14 and the lower end 18A surrounds the primary side 5A of the electric blower 5 described above. 12 is mounted.

  The lid 15 is provided so as to be freely opened and closed by a hinge 20 provided at the rear part of the upper opening 13, and a lower surface plate 15B is detachably fixed to an upper surface plate 15A. And the outer periphery lower edge 15D of the said cover body 15 is comprised so that it can closely_contact | adhere to the upper edge of the said upper opening part 13B. The lid body 15 is provided with a stopper 21 for detachably fixing the lid body 15 and thus the upper part of the cyclone cylinder 6 to the cleaner body 2. The stopper 21 is provided with a locking portion 23 at the tip of a lever body 22 supported on the lid body 15 via a shaft 22A so as to be rotatable, provided on the upper surface of the cleaner body 2. A latch 25 is provided on the latch receiving portion 24 so as to be latched, and a spring 25 is interposed between the base end of the insulator body 22 and the lid body 15 so that the latching portion 23 is always attached to the latch receiving portion 24. It is biased to lock.

  A secondary side 26 </ b> B of the intake passage 26 in which the primary side 26 </ b> A is connected to the suction port 9 of the suction nozzle 1 is connected to the primary side 6 </ b> C of the cyclone cylinder 6. The intake passage 26 includes the suction nozzle 1, a connection receiving pipe 27 that is integrally provided at the rear portion of the cleaner body 2 and can be connected to the upper end of the connection pipe 10, and the outer cylinder 6 </ b> B of the cyclone cylinder 6. It is formed by a pipe-like intake relay path 28 formed integrally with the rear part. In addition, in the suction nozzle 1, the suction passage 26 extends from the suction port 9 opened on the lower surface on the front end side to the connection pipe 10 that communicates with the suction port 9 and stands at the rear. The connection pipe 10 is detachably connected to the lower end of the connection receiving pipe 27. The intake relay path 28 has a pipe shape integrally formed in the vertical direction on the rear side of the outer periphery of the outer cylinder 6B, and the lower end thereof is connected to the upper end of the connection receiving pipe 27. Yes. On the other hand, the notch 6D is formed in a part of the rear upper edge of the straight cylinder part 16A to form a part of the primary side 6C of the cyclone cylinder 6, and the upper end of the intake relay path 28 is formed. A communication groove which is the secondary side 26B of the intake passage 26 communicating with the primary side 6C is formed. The primary side 6C of the outer cylinder 6B is substantially flat, and is directed in a substantially tangential direction of the inner periphery of the straight cylinder part 16, so that air flowing into the cyclone cylinder body 6A is inside the cyclone cylinder body 6A. It is configured to create a vortex. Further, a concave portion 15C that is recessed upward is formed on the lower surface of the lid body 15 so as to face the communication groove that is the secondary side 26B of the intake passage 26 when the lid is closed. And this recessed part 15C comprises the said primary side 6C with the notch part 6D of the said outer cylinder 6B. In the present embodiment, the primary side 6C of the outer cylinder 6B of the cyclone cylinder 6 is formed by the straight cylinder part 16A and the lid body 15, but the primary side of the cyclone cylinder 6 is provided only on the lid body 15. And an air flow containing dust may be introduced into the cyclone cylinder 6 from the recess 15C.

  In the center of the lower surface of the lid 15, an outlet that is the secondary side 6 </ b> E of the cyclone cylinder main body 6 </ b> A is provided. A first filter body 29 is provided integrally with the lower surface plate 15B below the secondary side 6E. The first filter body 29 is configured by supporting a sheet-like filter 29B on a truncated cone-shaped frame body 29A formed integrally with the lower surface plate 15B.

  The exhaust passage 30 in which the primary side 30A communicates with the secondary side 6E of the cyclone cylinder 6 (the cyclone cylinder main body 6A) and the secondary side 30B communicates with the primary side 5A of the electric blower 5 is integrated with the lid 15. Are formed by a primary side 30 </ b> A, an exhaust relay path 31 formed integrally with the cyclone cylinder main body 6 </ b> A of the cyclone cylinder 6, and the first gap 19. The exhaust relay path 31 is formed to bulge behind the outer cylinder 6B. The primary side 30A serving as an outflow portion is formed by a second gap 32 provided between the upper plate 15A and the lower plate 15B, and its starting end is connected to the secondary side 6E of the cyclone cylinder 6. In addition, an opening 33 formed at the end thereof opens downward on the hinge 20 side, and the opening 33 faces the upper end of the exhaust relay path 31 when the lid 15 is closed. It is designed to communicate with the surrounding area. The opening 33 is partitioned from the concave portion 15C by a partition wall plate 33A formed integrally with the lower plate 15A. The exhaust relay path 31 extends from the upper edge of the straight tube portion 16 to a position slightly below the lower edge of the straight tube portion 16, that is, to a portion corresponding to the first gap 19. The exhaust relay path 31 and the intake relay path 28 are adjacent to each other through a partition intermediate wall plate 28A. Further, the lower end of the exhaust relay path 31 communicates with the first gap 19 through an opening 34 formed so as to be surrounded by the upper end of the conical cylinder part 17 and the outer cylinder part 18. The first gap 19 communicates with the opening which is the primary side 5A of the electric blower 5.

  In this way, the cyclone cylinder 6 includes a bottomed cyclone cylinder body 6A and an outer cylinder 6B that is coaxially disposed on the outer periphery of the cyclone cylinder body 6A and into which the cyclone cylinder body 6A is detachably fitted. By closing these openings 13 and 13B with a lid 15 that can be opened and closed, the cyclone cylinder main body 6A can be independently pulled out from the opening 13B when the lid is opened. In addition to not only the cyclone cylinder 6 and thus the dust accumulated in the cyclone cylinder main body 6A being able to be disposed of easily by handling only the cyclone cylinder main body 6A, The mold of the cyclone cylinder 6 is a bottomed and relatively simple mold for the cyclone cylinder body 6A and a relatively simple mold for the outer cylinder 6B. Because need be manufactured and another mold shape of the tubular shape, it is possible to the entire structure of the mold and simple. Further, the outer cylinder 6B of the cyclone cylinder is a little complicated as the shape of the cyclone cylinder 6 because the outer cylinder portion 18, the intake relay path 28 and the exhaust relay path 31 are integrally formed. Since it is not necessary to separately form the outer cylinder portion 18, the intake relay path 28, and the exhaust relay path 31, the number of parts can be reduced and the structure can be simplified as a whole vacuum cleaner. Further, since the outer cylinder portion 18, the intake relay path 28 and the exhaust relay path 31 are integrally formed on the outer cylinder 6 </ b> B, it is possible to reduce joints where airflow leakage may occur.

A second filter body 35, which is a filter body for capturing fine dust, is detachably attached to the secondary side 30B of the exhaust passage 30, and the second filter body 35 is interposed through the second filter body 35. Thus, the secondary side 30B of the exhaust passage 30 and the primary side 5A of the electric blower 5 communicate with each other. The second filter body 35 includes a support frame body 35A, a locking portion 35B formed at the lower end of the support frame body 35A, and a bag-like filter 35C. The support frame 35A is formed of a soft synthetic resin or the like, and has a plurality of longitudinal beam portions extending in the axial direction and a plurality of circular beam portions extending in the circumferential direction, and is formed in a cylindrical shape as a whole. In addition, the airflow is configured to pass through the opening surrounded by the vertical beam portion and the circular beam portion. Further, the locking portion 35B is formed integrally with the support frame body 35A by a soft synthetic resin or the like, and the outer periphery of the locking portion 35B is formed on the inner peripheral surface of the outer cylinder portion 18. While being latched by the latch receiving portion 18B, an opening 36 is formed at the center of the latching portion 35B, and this opening 36 faces the primary side 5A of the electric blower 5. Further, below the opening 36, a first seal portion 37 that is in airtight contact with the receiving surface 12 formed on the outer periphery of the opening that is the primary side 5A of the electric blower 5 is integrally formed. In addition, a second seal portion 38 that is in airtight contact with the locking receiving portion 18B is integrally provided on the outer peripheral side of the locking portion 35B. The first seal portion 37 and the second seal portion 38 are each formed in a tapered shape. In this way, the first seal portion 37 and the second seal portion 38 are integrally formed on the engaging portion 35B of the second filter body 35, so that the second filter body 35 and the second filter body 35 are mounted. At the same time as sealing with the receiving surface 12, the second filter body 35 and the outer cylinder portion 18 can be sealed, thereby reducing the number of components and the secondary of the exhaust passage 30. The air tightness of the side 30B and the primary side 5A of the electric blower 5 can be improved. The bag-shaped filter 35C is placed on the support frame 35A so as to cover the outside of the support frame 35A, and the opening end side thereof is fixed to the lower end side of the support frame 35A. A concave portion 35D is formed so that the intermediate portion is folded and the closed end side covers the inside of the support frame body 35A. The second filter body 35 configured in this manner is inserted into the first gap 19 and held at the lower end of the outer cylinder portion 18. At this time, the recess 35 </ b> D of the filter 35 </ b> C is formed so as to surround the lower part of the conical cylinder part 17 of the cyclone cylinder 6 and the outside of the bottom part 14.

  Further, a knob 40 is provided in a part of the upper opening 13 of the cyclone cylinder main body 6A. This knob | pick part 40 is formed in the magnitude | size which is the extent which can be picked with a fingertip, and is the plate shape which protruded the outer side in the horizontal direction. On the other hand, in the upper opening 13B of the outer cylinder 6B, an inner / outer communication part 41 for projecting the knob 40 to the outside of the outer cylinder 6B is formed in a cutout shape. The lateral width Y of the inner / outer communication portion 41 is the same as the lateral width of the knob 40, and the depth Z is the same as the thickness of the knob 40. Then, by fitting the knob portion 40 to the inner / outer communication portion 41, the notch-shaped inner / outer communication portion 41, the knob portion 40, and the outer peripheral lower edge 15D of the lid body 15 are in close contact with each other when the lid is closed. Can be kept.

  Next, the operation of this embodiment will be described. In order to use the cleaner of the present embodiment, first, the cyclone cylinder main body 6A is inserted into the outer cylinder 6B. At this time, the cyclone cylinder main body 6A is attached to the outer cylinder 6B so that the upper opening 13B is disposed at the lower edge of the notch 6D in a state where the knob 40 is fitted to the inner / outer communication part 41. Mating. And the said 2nd filter body 35 is inserted from the lower end of the said outer cylinder part 18, This 2nd filter body 35 is hold | maintained in the said latching receiving part 18B. Then, the first filter body 29 provided integrally with the lower surface plate 15B is attached to the upper surface plate 15A of the lid body 15 together with the lower surface plate 15B, and the lid body 15 is closed to close the outer cylinder 6B. The upper opening 13B is closed with the lid 15. In this way, the cyclone cylinder 6 to which the first and second filter bodies 29 and 35 are attached is installed in the housing portion 2A of the cleaner body 2 in a slightly inclined state, and the cyclone cylinder 6 is left as it is. The cyclone cylinder 6 is attached to the cleaner main body 2 by causing the locking portion 23 of the stopper 21 provided on the lid body 15 to be locked to the locking receiving portion 24 of the cleaner main body 2. Fixed. At this time, the lower end of the intake relay path 28 of the cyclone cylinder 6 is connected in communication with the connection receiving pipe 27 of the cleaner body 2. Further, the first seal portion 37 is in contact with the receiving surface 12 formed on the outer periphery of the opening which is the primary side 5A of the electric blower 5 so as to be airtight. The second seal portion 38 is in contact with the inner peripheral surface of the lower end side of the outer cylinder portion 18 so as to be airtight.

  And the vacuum cleaner of a present Example can be made into an independent state by making the said vacuum cleaner main body 2 stand upright with respect to the said suction nozzle 1 at the time of non-use. And when cleaning a floor, a carpet, etc., a user holds the said handle | steering-wheel 8, falls the said vacuum cleaner main body 2 back, and closes a switch (not shown). As a result, when the electric blower 5 is operated, an airflow including dust is sucked from the suction port 9, and the airflow including dust is supplied to the intake passage 26, that is, the connection receiving pipe 27, the intake relay. It is introduced into the cyclone cylinder 6 from the path 28 and further from the secondary side 26 </ b> B of the intake path 26. An air flow including dust introduced into the cyclone cylinder 6 flows into the cyclone cylinder body 6A from the primary side 6C of the cyclone cylinder 6 along the inner peripheral surface of the cyclone cylinder body 6A of the cyclone cylinder 6, As the air flow including the dust flowing in descends while turning along the inner peripheral surface of the cyclone cylinder main body 6A, relatively large dust contained in the air flow is separated from the air flow by centrifugal force, and the cyclone Deposits on the bottom 14 of the cylinder body 6A. On the other hand, the air flow from which relatively large dust is separated rises along the axis X of the cyclone cylinder main body 6A, passes through the first filter body 29, and reaches the secondary side 6E of the cyclone cylinder main body 6A. Discharged from. At this time, relatively fine dust contained in the airflow from which relatively large dust is separated is filtered by the filter 29B of the first filter body 29. The airflow discharged from the cyclone cylinder main body 6A passes through the exhaust passage 30, that is, the primary side 30A, the exhaust relay passage 31, the first gap 19, and the second filter body 35, and the electric blower. 5 to the primary side 5A. At this time, fine dust that has not been filtered by the first filter body 29 is captured by the filter 35C of the second filter body 35, and air from which fine dust has been removed in this way is sent from the exhaust section 7. It is discharged out of the cleaner body 2. As described above, the filter 35C of the second filter body 35 is formed in a bag shape so as to cover the outside of the support frame body 35A, and the opening end side thereof is the lower end side of the support frame body 35A. The recess 35D is formed so that the closed end side covers the inside of the support frame 35A, and the filter 35C supported by the support frame 35A in this way is attached to the cyclone cylinder 6 In addition to increasing the area of the filter 35C that covers the outside of the support frame 35A, the concave portion 35D can also be inserted into the first gap 19 between the outer cylinder portion 18 and the outer cylinder portion 18. Since dust can be captured, the area of the filter 35C of the second filter body 35 can be increased.

  In order to remove dust accumulated in the cyclone cylinder 6 after completion of cleaning, first, the base end of the stopper 21 is pressed against the urging force of the spring 25, and the locking portion 23 and the locking receiving portion 24 are pressed. The locked state is released, and the upper opening 13B of the outer cylinder 6B is opened. Then, the outside of the knob 40 is picked, and the cyclone cylinder main body 6A is extracted upward from the outer cylinder 6B. In addition, due to the outer cylinder 6B remaining in the housing portion 2A, the intake relay path 28 and the exhaust relay path 31 integral with the outer cylinder 6B are not detached from the housing section 2A. And the dust accumulated on the bottom part 14 of this cyclone cylinder main body 6A can be discarded by turning the cyclone cylinder main body 6A upside down while the knob 40 is being picked. At this time, the user can open the lid body 15 without touching the first filter body 29 that has captured the dust, and therefore, when throwing out the dust from the cyclone cylinder main body 6A, the user is prevented from getting dirty as much as possible. In addition, since only the small and lightweight cyclone cylinder main body 6A needs to be disposed in order to dispose of dust, it is possible to dispose of dust easily. When the filter 29B of the first filter body 29 is blocked with dust, the outer cylinder 6B is also removed and the first filter body 29 together with the lower surface plate 15B is attached to the upper surface plate of the lid body 15. Remove from 15A and scrape off dust from the filter 29B with a brush or the like. At this time, the filter 29B becomes cleaner by washing the filter 29B with water or detergent. The first filter body 29, which has been cleaned after being cleaned, is attached to the upper surface plate 15A of the lid body 15 together with the lower surface plate 15B. Further, when the filter 35C of the second filter body 35 is contaminated with fine dust, the second filter body 35 is removed from the cyclone cylinder 6 and cleaned. At this time, the filter 35C can be easily cleaned by pulling out the recess 35D of the filter 35C from the inside of the support frame 35A. Then, the filter 35C, which has been cleaned after being cleaned, is folded back again at its intermediate portion, and a recess 35D is formed so that the closed end side covers the inside of the support frame body 35A, whereby the second filter body 35 becomes available again.

  Then, the cyclone cylinder main body 6A is inserted into the outer cylinder 6B again and set. Then, after closing the cyclone cylinder 6 with the lid 15, the locking portion 23 is locked to the locking receiving portion 24.

  As described above, in the above-described embodiment, the vertically long handle 8, the vacuum cleaner main body 2 provided below the handle 8 and having the electric blower 5 at the lower portion and the cyclone cylinder 6 at the upper portion are detachably provided, The suction nozzle 1 provided integrally with the lower portion of the vacuum cleaner body 2 and communicates with the primary side 6C of the cyclone cylinder 6 through the intake passage 26, and the primary side 30A communicates with the secondary side 6E of the cyclone cylinder 6. And an exhaust passage 30 that communicates the secondary side 30B with the primary side 5A of the electric blower 5, and the cyclone cylinder 6 is disposed on the outer periphery of the cyclone cylinder main body 6A and the cyclone cylinder main body 6A. 6A includes an outer cylinder 6B in which the detachable fitting is provided, and an intake relay path 28 that forms a part of the intake path 26 and an exhaust path that forms a part of the exhaust path 30 in the outer cylinder 6B. relay By forming the passage 31 integrally, not only can the heavy electric blower 5 be arranged in the lower portion to lower the center of gravity of the entire vacuum cleaner, but also the relay routes 28 and 31 are provided in the cyclone cylinder 6. By forming them integrally, it is not necessary to form these relay paths 28 and 31 separately from the cyclone cylinder 6, and it is possible to reduce the number of parts associated with the assembly, improve the assemblability, and reduce the airflow leakage. it can. Further, the dust accumulated in the cyclone cylinder 6 can be easily discarded by taking out only the cyclone cylinder main body 6A.

  The cyclone cylinder 6 includes a bottomed cyclone cylinder main body 6A, and an outer cylinder 6B that is arranged coaxially on the outer periphery of the cyclone cylinder main body 6A so that the cyclone cylinder main body 6A is detachably fitted. A lid 15 that can be opened and closed is provided in the opening 13B of the outer cylinder 6B, and a secondary side 6E of the cyclone cylinder 6 is provided on the lid 15 and a first filter 29 is provided on the secondary side 6E. By forming the primary side 6C of the outer cylinder 6 of the cyclone cylinder 6 with the recess 15C formed outside the center of the lid 15 and the notch 6B on the rear upper edge of the straight cylinder part 16, When the dust accumulated on the bottom 14 of the cyclone cylinder 6 is discarded, only the cyclone cylinder main body 6A can be taken out by opening the lid 15 and the dust can be discarded, so that the dust can be disposed of hygienically and easily. Do Door can be.

  Further, the cyclone cylinder main body 6A is formed so that the width of the bottom portion 14 is gradually narrowed. The cyclone cylinder main body 6A is surrounded by a first gap 19 on the outer periphery of the bottom portion 14 side, and on the primary side 5A of the electric blower 5. The outer cylinder 6B integrally formed with the connectable outer cylinder portion 18 is provided, and the second filter body 35 facing the primary side 5A is provided on the primary side 5A of the electric blower 5, and the second filter By inserting the upper portion of the body 35 into the first gap 19, the height of the second filter body 35 inserted into the gap 19 can be increased. For this reason, the filter 35 </ b> C for capturing dust. The surface area of can be increased as much as possible.

  In addition, the cyclone cylinder main body 6A is provided with a knob portion 40, and the outer cylinder 6B is provided with an inner / outer communication portion 41 from which the knob 40 projects outward, whereby the cyclone cylinder main body 6A is attached to the outer cylinder 6B. Even in the fitted state, the tip of the knob 40 protrudes outside the cyclone cylinder 6 and the tip of the knob 40 does not touch the accumulated dust, and the knob 40 is always clean. The cyclone cylinder main body 6A can be handled by picking a place.

  An airtight first seal portion 37 that is in contact with the outer periphery of the primary side 5A of the electric blower 5 is provided integrally with the engaging portion 35B of the lower portion of the second filter body 35 and is in contact with the outer cylinder 15. By providing the airtight second seal portion 38 integrally, the primary side 5A, the cyclone cylinder 6 and the second filter of the electric blower 5 are provided by the first seal portion 37 and the second seal portion 38. The airtightness with the body 35 can be improved, and the number of parts can be reduced by providing the first and second seal portions 37, 38 integrally with the locking portion 35B. .

  In addition, a concave portion 35D is formed in the center of the filter 35C of the second filter body 35, and the upper portion of the second filter body 35 is inserted into the first gap 19, whereby the filter 35C is The second filter is provided along the inner surface of the outer cylindrical portion 18 and the concave portion 35D of the filter 35C is provided so as to surround the lower portion of the conical cylindrical portion 17 and the outer side of the bottom portion 14 of the cyclone cylinder 6. The surface area of the filter 35C of the body 35 can be increased to make it difficult to cause clogging.

  In addition, this invention is not limited to the above Example, A various deformation | transformation implementation is possible within the range of the summary of invention. For example, in the above-described embodiment, the outer peripheral lower edge of the lid body is in contact with the opening of the outer cylinder, and the cyclone cylinder main body is inside thereof, but a rib is formed on the upper end of the cyclone cylinder main body, You may comprise so that this rib may be clamped by the opening part of the said outer cylinder, and the outer periphery lower edge of the said cover body.

  As described above, the cyclonic vacuum cleaner according to the present invention can be applied to various uses.

It is a longitudinal cross-sectional view of the cyclonic vacuum cleaner which shows Example 1 of this invention. It is a plane sectional view of the cyclone cylinder which shows Example 1 of the present invention. It is a perspective view of the cyclone type vacuum cleaner which shows Example 1 of this invention. It is a disassembled perspective view of the cyclone type vacuum cleaner which shows Example 1 of this invention. It is a disassembled perspective view of the cyclone cylinder which shows Example 1 of this invention. It is a perspective view around the lid body which shows Example 1 of the present invention. It is a disassembled perspective view around the 2nd filter body which shows Example 1 of this invention.

DESCRIPTION OF SYMBOLS 1 Suction nozzle 2 Vacuum cleaner main body 5 Electric blower 5A Primary side 6 Cyclone cylinder 6A Cyclone cylinder main body 6B Outer cylinder 6C Primary side 6E Secondary side 14 Bottom part 18 Outer cylinder part 19 First gap 26 Intake passage 28 Intake relay path 30 Exhaust path 30A Primary side 30B Secondary side 31 Exhaust relay path 35 Second filter body (filter body)
37 1st seal part 38 2nd seal part 40 Knob 41 Communication part

Claims (4)

A vacuum cleaner main body having an electric blower at the bottom and a cyclone cylinder detachably provided on the electric blower, and a suction pipe that is detachably provided on the vacuum cleaner main body and communicates with the primary side of the cyclone cylinder via an intake passage A nozzle and an exhaust passage that communicates the primary side with the secondary side of the cyclone cylinder and communicates the secondary side with the primary side of the electric blower,
The cyclone cylinder includes a bottomed cyclone cylinder main body, and an outer cylinder coaxially disposed on an outer periphery of the cyclone cylinder main body, and the cyclone cylinder main body is detachably fitted to the cyclone cylinder main body. The outer cylinder portion provided at the lower portion of the outer cylinder surrounds the outer periphery of the cyclone cylinder body on the bottom side of the cyclone cylinder body with a gap between the electric cylinder and the electric cylinder. A cyclonic vacuum cleaner characterized in that it is provided so as to be connectable to a primary side of a blower, a filter body is provided on a primary side of the electric blower, and an upper portion of the filter body is inserted into the gap . The cyclone type electric vacuum cleaner according to claim 1, wherein the cyclone cylinder main body is provided with a knob, and an inner / outer communication part in which the knob protrudes outward from the outer cylinder . An airtight first seal portion in contact with the outer periphery of the primary side of the electric blower is integrally provided at a lower portion of the filter body, and an airtight second seal portion in contact with the outer cylinder is integrally provided. cyclonic vacuum cleaner according to claim 1, wherein the a. And forming a recess in the central portion of the filter of the filter body, cyclonic vacuum cleaner according to claim 1, wherein the inserting the top into the gap.

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