JP2016093367A - Rotor, rotary cleaner, suction tool for vacuum cleaner, and vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rotor capable of reducing the weight without increasing a production cost and including predetermined strength.SOLUTION: A rotor 1 formed of a synthetic resin, includes: a hollow part 3 with a substantially polygonal cross section; and a plurality of support grooves 2, 2, ... in which base parts 4 of a cleaner are inserted in the longitudinal direction of the rotor 1. Each support groove 2 is spirally formed at a predetermined angle from one end to the other end. A circumscribed circle 9 of the hollow part 3 is so formed equal to or more than an inscribed circle 8 on which bottom surfaces 5 of all the base parts 4 come into contact when the cleaner is inserted.SELECTED DRAWING: Figure 2

Description

  The present invention incorporates a rotary cleaning body incorporated in various cleaning devices such as a vacuum cleaner suction tool and an air filter cleaning device built in an air conditioner, a rotor constituting the rotary cleaning body, and a rotary cleaning body. The present invention relates to a vacuum cleaner suction tool and a vacuum cleaner.

  Conventionally, a rotor having a hollow portion having a polygonal cross section is known as a member constituting a rotary cleaning body of a vacuum cleaner suction tool (Patent Document 1). The rotor described in Patent Document 1 includes a plurality of grooves into which the cleaning body is inserted, and is inserted into the plurality of grooves as a configuration in which some of the plurality of grooves are provided at different distances from the rotation center. The length of the cleaning body could be changed.

  A rotor having a hollow portion and a uniform outer surface thickness is known (see FIG. 7 of Patent Document 2). The rotor described in Patent Document 2 is a metal rotor, and by using an aluminum alloy or the like, the weight can be reduced and a predetermined strength can be maintained.

  In addition, a substantially cylindrical base having a hollow portion, a support groove into which a part of the cleaning body is inserted in the longitudinal direction of the base, and a support that supports the cleaning body are formed, and one end Is formed in a spiral at a predetermined angle from the other end to one or more space portions between the inscribed circle and the inner wall with respect to the inscribed circle in contact with the inner wall of the base. A synthetic resin rotor is known (Patent Document 3). The rotor described in Patent Document 3 is intended to reduce the weight by forming a space.

JP 2002-345699 A Japanese Patent No. 4385253 Japanese Patent No. 5263871

  However, since the rotor described in Patent Document 1 has an irregular shape, if the rotation balance is poor and it cannot be manufactured with high accuracy, there is a possibility of generating vibration and abnormal noise. It was a thing.

  Further, the rotor described in FIG. 7 of Patent Document 2 is made of metal and needs to have a uniform thickness on the outer surface, which is difficult to manufacture with high accuracy and increases the manufacturing cost. It was.

  Moreover, since the length of the part which the support body protrudes from the outer periphery of a base is large, the rotor of the said patent document 3 has a possibility that a stress may be added to the base part of a support body and a crack may be generated. It was a thing.

  The present invention has been made to solve the above problems, and can reduce the weight without increasing the manufacturing cost, and has a rotor having a predetermined strength, and a rotary cleaning body having the rotor. An object of the present invention is to provide a vacuum cleaner suction tool incorporating the rotary cleaning body, and a vacuum cleaner provided with either the rotor, the rotary cleaning body, or the vacuum cleaner suction tool. It is said.

  In order to solve the above-mentioned conventional problems, the invention of claim 1 is a rotor formed of synthetic resin, wherein the rotor has a hollow portion having a substantially polygonal cross section and a base portion of the cleaning body in the longitudinal direction of the rotor. A plurality of support grooves to be inserted, the support grooves are formed in a spiral shape from one end to the other at a predetermined angle, and the circumscribed circle of the hollow portion is at the time of insertion of all the cleaning bodies It is characterized by being formed so as to be larger than the inscribed circle with which the bottom surface of the base is in contact. Therefore, the rotor can be reduced in weight by maximizing the hollow portion. Further, by using a synthetic resin as the material of the rotor, a predetermined strength can be provided without increasing the manufacturing cost. Further, if the outer peripheral portion of the rotor has an arc shape with the same distance from the rotation center, it is possible to prevent dust from adhering and to suppress the occurrence of vibration and abnormal noise due to runout. That is, the present invention can be designed with the best balance between strength and weight reduction by extending the outer peripheral surface to the outermost side without changing the rotor outer diameter and forming the support groove by the outer peripheral surface. Thus, the strength can be improved as compared with the conventional rotor.

  Moreover, invention of Claim 2 is invention of the rotary cleaning body integrated in various cleaning apparatuses, Comprising: The rotor of Claim 1, The cleaning body, The bracket attached to the both ends of the said rotor is provided. It is characterized by that. Therefore, it is possible to reduce the weight of the rotary cleaning body by reducing the weight of the rotor. Further, by using a synthetic resin as the material of the rotor, the rotary cleaning body can be provided with a predetermined strength without increasing the manufacturing cost.

  Moreover, invention of Claim 3 is invention of the suction tool for vacuum cleaners, Comprising: The rotary cleaning body of Claim 2 is integrated, It is characterized by the above-mentioned. Therefore, it is possible to provide a vacuum cleaner suction tool that suppresses the occurrence of vibration and abnormal noise without increasing the manufacturing cost.

  Moreover, invention of Claim 4 is invention of a vacuum cleaner, Comprising: An electric blower, the rotor of Claim 1, or the rotary cleaning body of Claim 2, or Claim 3. It has one of the vacuum cleaner suction tools. Therefore, it is possible to provide a vacuum cleaner that suppresses the occurrence of vibration and abnormal noise without increasing the manufacturing cost.

  According to the first aspect of the rotor, the rotor can be reduced in weight, and can be provided with a predetermined strength without increasing the manufacturing cost. In addition, it is possible to prevent dust from adhering, and it is possible to suppress the occurrence of vibration and abnormal noise due to runout. In addition, it is possible to design with the best balance between strength and weight reduction by extending the outer peripheral surface to the outermost side without changing the rotor outer diameter and forming the support groove by the outer peripheral surface. The strength can be improved as compared with the above.

  In the invention of the rotary cleaning body according to the second aspect, the weight of the rotary cleaning body can be reduced by reducing the weight of the rotor. Further, by using a synthetic resin as the material of the rotor, the rotary cleaning body can be provided with a predetermined strength without increasing the manufacturing cost.

  In the vacuum cleaner suction tool according to the third aspect of the present invention, it is possible to provide the vacuum cleaner suction tool that suppresses the occurrence of vibration and noise without increasing the manufacturing cost.

  According to the fourth aspect of the present invention, it is possible to provide a vacuum cleaner that suppresses generation of vibrations and abnormal noise without increasing the manufacturing cost.

(A) The perspective view which shows 1st Embodiment of the rotor which comprises the rotary cleaning body which concerns on this invention (b) The front view of the rotor of 1st Embodiment (A) Sectional drawing which shows the state which attached the cleaning body to the rotor of 1st Embodiment (b) Sectional drawing which shows 2nd Embodiment of the rotor which comprises the rotary cleaning body which concerns on this invention. (A) Perspective view of a rotary cleaning body according to the present invention (b) Cross-sectional view of the rotary cleaning body (A) Perspective view of a vacuum cleaner suction tool according to the present invention (b) Bottom view of the vacuum cleaner suction tool The side view which shows the vacuum cleaner provided with the suction tool for vacuum cleaners which concerns on this invention

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, this invention is not limited by this embodiment.

  Fig.1 (a) is a perspective view which shows 1st Embodiment of the rotor which comprises the rotary cleaning body which concerns on this invention, FIG.1 (b) is a front view of the rotor of 1st Embodiment. The rotor 1 is formed of a synthetic resin and has a plurality of support grooves 2, 2,... Into which a base portion of a cleaning body described later is inserted in the longitudinal direction. Further, the plurality of support grooves 2, 2... Are formed in a spiral shape at a predetermined angle from one end to the other end of the rotor 1. The rotary cleaning body according to the present invention includes a rotor, a cleaning body, and brackets attached to both ends of the rotor, and various types such as a vacuum cleaner suction tool and an air filter cleaning device built in an air conditioner. It is built into the cleaning device.

  Fig.2 (a) is sectional drawing which shows the state which attached the cleaning body to the rotor of 1st Embodiment while showing the AA cross section of FIG.1 (b). As shown in this figure, the rotor 1 of the first embodiment includes a hollow portion 3 having a substantially polygonal cross section, and a plurality of support grooves 2, 2... Into which a base portion 4 of the cleaning body is inserted in the longitudinal direction of the rotor 1. The plurality of support grooves 2, 2... Are formed in a spiral shape at a predetermined angle from one end to the other end of the rotor 1, and the circumscribed circle 9 (from the rotation center 7) of the hollow portion 3 is formed. Is an inscribed circle 8 (rotation center 7) that is in contact with the bottom surface 5 of the base 4 when all the cleaning bodies are inserted. Is a curve made up of a set of points at equal distances from each other, and is inscribed in the bottom surface 5 of the base 4). By configuring the rotor 1 as described above, the hollow portion 3 can be maximized. In addition, the code | symbol 6 is a brush part of the cleaning body, and the brush part 6 is comprised by the several brush piece fixed to the upper surface of the base 4 of the cleaning body. A space portion 11 is formed below the support groove 2, and the space portion 11 enables the base portion 4 of the cleaning body to bend.

  In the rotor 1 of the first embodiment, the outer peripheral portion 10 is formed in an arc shape having the same distance from the rotation center 7. The arc-shaped outer peripheral portion 10 also serves as a support 13 that supports the base 4 of the cleaning body and the brush portion 6 of the cleaning body. Therefore, unlike the conventional rotor, the support body does not protrude from the outer periphery of the rotor, so that stress is not applied to the base portion of the support body to cause cracks, and the rotor 1 has a predetermined strength. You can have it. Moreover, by making the outer peripheral part 10 into the circular arc shape where the distance from the rotation center 7 is equal, adhesion of dust can be prevented and generation | occurrence | production of the vibration by vibration of a core and abnormal noise can be suppressed. In addition, the outer peripheral part 10 is expanded to the outermost side without changing the rotor outer diameter, and the outer peripheral part 10 is formed with the support grooves 2, 2. Therefore, the strength can be improved as compared with the conventional rotor.

  FIG.2 (b) is sectional drawing which shows 2nd Embodiment of the rotor which comprises a rotary cleaning body. The outer shape of the rotor 1a of the second embodiment is equivalent to the outer shape of the rotor 1 of the first embodiment. The difference from the rotor 1 of the first embodiment is that the length B of the convex portion 12a of the hollow portion is longer than the length A of the convex portion 12 of the hollow portion of the rotor 1 of the first embodiment. is there. By configuring in this way, it is possible to further reduce the weight of the rotor 1a while making the size and strength of the rotor outer diameter equal to those of the rotor 1 of the first embodiment.

  Fig.3 (a) is a perspective view of the rotary cleaning body which concerns on this invention, FIG.3 (b) is sectional drawing of the rotary cleaning body. The rotary cleaning body 30 includes the rotor 1 according to the present invention described above, the cleaning body 14 that removes dust, and brackets 15 a and 15 b for rotation drive attached to both ends of the rotor 1. The brackets 15a and 15b include rotating shafts 91 and 95 that are fitted to the rotor 1 and supported by bearings (not shown). Further, one bracket 15b is formed with a gear 96 for attaching the belt 21 connected to the motor 20 shown in FIG.

  FIG. 4A is a perspective view of the vacuum cleaner suction tool according to the present invention, and FIG. 4B is a bottom view of the vacuum cleaner suction tool. The vacuum cleaner suction tool 19 includes an upper case 19a, a lower case 19b, and a joint pipe portion 22, and rollers 23 are installed at four locations of the lower case 19b. And the rotary cleaning body 30 which concerns on this invention mentioned above is installed in the suction inlet 24 of the suction tool 19 for vacuum cleaners. The vacuum cleaner suction tool 19 includes a motor 20, and the motor 20 and the above-described bracket gear 96 are connected by the belt 21, and the rotary cleaning body 30 is interlocked with the rotation of the motor 20. Is designed to rotate.

  FIG. 5 is an overall side view of the vacuum cleaner to which the vacuum cleaner suction tool including the rotary cleaning body described above is connected. The vacuum cleaner 100 communicates with the dust collection chamber 101 and a vacuum cleaner main body 110 provided with a dust collection chamber 101 for collecting dust at the front portion and an electric blower chamber 103 with a built-in electric blower 102 at the rear portion. Are provided with a hose 104 having one end connected to the cleaner body 110 and an extension pipe 106 detachably connected to a handle pipe 105 provided at the other end of the hose 104. A vacuum cleaner suction tool 19 is connected. With the above configuration, when the vacuum cleaner main body 110 is operated, the handle pipe 105 is operated, and the vacuum cleaner suction tool 19 is operated on the flooring or the carpet, it is rotated by the motor built in the vacuum cleaner suction tool 19. The cleaning body rotates, dust is picked up by the cleaning body, and dust is collected together with air into the dust collecting chamber 101 through the extension pipe 106 and the hose 104 by the suction force of the electric blower 102, and the dust is collected there. . In addition, the vacuum cleaner suction tool 19 is not included, and the vacuum cleaner body 110 includes the rotor according to the present invention or the rotary cleaning body according to the present invention. Is.

  The rotor and rotary cleaning body of the present invention are used by being incorporated in various cleaning devices such as a vacuum cleaner suction tool and an air filter cleaning device built in an air conditioner. Moreover, the vacuum cleaner suction tool is incorporated in the vacuum cleaner and used for various cleanings.

DESCRIPTION OF SYMBOLS 1, 1a Rotor 2, 2a Support groove 3, 3a Hollow part 4 Base part of cleaning body 5 Bottom face of base part 6 Brush part of cleaning body 7, 7a Rotation center 8, 8a Inscribed circle with which bottom face of base part contacts 9, 9a Hollow part Circumscribed circle 10, 10a outer peripheral part 11, 11a space part 12, 12a convex part 13, 13a support 14 cleaning body 15a, 15b bracket 19 vacuum cleaner suction tool 19a upper case 19b lower case 20 motor 21 belt DESCRIPTION OF SYMBOLS 22 Joint pipe part 23 Roller 24 Suction port 30 Rotary cleaning body 91,95 Rotating shaft 96 Bracket gear 100 Electric vacuum cleaner 101 Dust collection chamber 102 Electric blower 103 Electric blower chamber 104 Hose 105 Handle pipe 106 Extension pipe 110 Vacuum cleaner main body A , B Length of the convex part of the hollow part

Claims (4)

  In the rotor formed of synthetic resin, the rotor has a hollow portion having a substantially polygonal cross section, and a plurality of support grooves into which a base portion of the cleaning body is inserted in the longitudinal direction of the rotor. Is formed in a spiral shape at a predetermined angle from the other end, and the circumscribed circle of the hollow portion is formed to be larger than the inscribed circle with which the bottom surface of the base portion is in contact when all the cleaning bodies are inserted. Rotor characterized by being.   A rotary cleaning body comprising the rotor according to claim 1, a cleaning body, and brackets attached to both ends of the rotor, and incorporated in various cleaning devices.   The vacuum cleaner suction tool incorporating the rotary cleaning body according to claim 2.   An electric blower, the rotor according to claim 1, the rotary cleaning body according to claim 2, or the vacuum cleaner suction tool according to claim 3 are provided. Electric vacuum cleaner.

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