JP2011106408A - Electric blower and vacuum cleaner provided with the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric blower which can sufficiently prevent a motor cushion from coming off from an upper frame body and a lower frame body, and efficiently exhausts an exhaust air from a fan section of a motor, thereby improving the efficiency of the motor during the use of the electric vacuum cleaner or when a shock etc. is given to the electric vacuum cleaner, and to provide a vacuum cleaner provided with the electric blower. <P>SOLUTION: The electric blower includes: the motor that has the fan section 16 and a motor body 8; the motor cushion 9 that encloses part of the circumference of fan section 16; and the upper frame body 11 and the lower frame body 12. The electric blower also has a frame body which covers the circumference of motor and the circumference of motor cushion 9. Two or more projections are provided at a position of the inside of the frame body touching the motor cushion. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a vacuum cleaner, and more particularly to an electric blower of a vacuum cleaner.

  In the field of vacuum cleaners that clean up dust in the user's living space, the components of the vacuum cleaner may be displaced when the electric vacuum cleaner is used or when an impact is applied to the electric vacuum cleaner. A configuration to prevent is proposed.

  For example, in an electric blower of a vacuum cleaner, an electric blower (motor) composed of a motor part and a fan part is covered with a motor cover, and a rib is formed outwardly on the outer periphery of the fan part. Surrounded by an anti-vibration motor cushion, this motor cushion is enclosed by the upper motor cover (upper frame) and lower motor cover (lower frame) on which the hook ribs are formed and pressed, and is provided at the end of the hook rib. There has been proposed an electric vacuum cleaner including an electric blower having a configuration in which a protruding portion (claw) bites into a motor cushion and is firmly fixed and integrated as an electric blower (for example, see Patent Document 1).

JP 2002-253449 A

  However, the conventional vacuum cleaner described in Patent Document 1 described above still has room for improvement from the viewpoint of improving the efficiency of the electric blower (motor).

  That is, in the conventional electric vacuum cleaner described in Patent Document 1, the hook ribs provided on the upper motor cover (upper frame body) and the lower motor cover (lower frame body) are formed by the upper motor cover and the lower motor cover. It is provided in the whole area in the circumferential direction of the part that contacts the motor cushion, and the upper and lower motor covers and the motor cushion are fixed by biting the hook rib into the motor cushion. The exhaust air from the fan part of the blower (motor) cannot be efficiently discharged, and it has been difficult to improve the efficiency of the electric blower.

  The present invention has been made in view of the above-described problems of the prior art. When the electric vacuum cleaner is used or when an electric shock is applied to the electric vacuum cleaner, the motor cushion, the upper frame body, and the lower frame body are provided. To provide an electric blower that can sufficiently prevent exhaust air from being discharged, efficiently exhaust the exhaust air from the fan portion of the motor, and improve the efficiency of the motor, and a vacuum cleaner equipped with the electric blower. Objective.

In order to solve the above-described problems of the prior art, the present invention provides:
A motor having a fan part and a motor body part;
A motor cushion surrounding a part of the outer periphery of the fan part;
It is composed of an upper frame body and a lower frame body, and a frame body portion that covers the outer periphery of the motor and the outer periphery of the motor cushion,
Have
Provided is an electric blower in which a plurality of protrusions are provided at positions that contact a motor cushion inside a frame body.

  As a result, exhaust air from the fan portion can be efficiently discharged from the gap formed between the protrusions, so that the efficiency of the motor can be improved. Further, since the protrusion is pressed against the motor cushion, the motor cushion can be sufficiently prevented from coming off when the electric vacuum cleaner is in use or when an impact is applied to the electric vacuum cleaner.

  Moreover, in the electric blower of this invention, it is preferable that the projection part is arrange | positioned at equal intervals.

  As a result, the exhaust air from the fan part is rectified by the protrusions, and the motor efficiency can be improved while the exhaust air can be discharged efficiently. Moreover, the wind noise from the fan part can be sufficiently reduced.

  Furthermore, in the electric blower of the present invention, it is preferable that the protrusions are provided in a plurality of rows in the axial direction of the motor.

  Thereby, since the press contact location of a frame part and a motor cushion increases, a motor cushion can be made harder to remove | deviate.

  Moreover, in the electric blower of this invention, it is preferable that the part which covers the fan part of a frame part is provided with the several hole part.

  As a result, exhaust air from the fan section can be discharged more efficiently, so that the efficiency of the motor can be further improved.

  Furthermore, this invention provides the vacuum cleaner which has an electric blower of any one of Claims 1-4.

  Thereby, the vacuum cleaner with high suction capability can be provided. In addition, it is possible to provide a vacuum cleaner that can sufficiently prevent the motor cushion from being detached while the electric vacuum cleaner is in use or when an impact or the like is given to the electric vacuum cleaner.

  According to the present invention, it is possible to sufficiently prevent the motor cushion, the upper frame body, and the lower frame body from being detached while the electric vacuum cleaner is in use or when an impact is applied to the electric vacuum cleaner, and the motor fan. It is possible to provide an electric blower that can efficiently exhaust the exhaust air from the section and improve the efficiency of the motor, and a vacuum cleaner equipped with the electric blower.

Whole perspective view of the vacuum cleaner provided with 1st Embodiment of the electric blower of this invention Front sectional drawing of 1st Embodiment of the electric blower of this invention The whole perspective view of the frame part in a 1st embodiment of the electric blower of the present invention. The whole perspective view of the frame part in a 2nd embodiment of the electric blower of the present invention.

  Hereinafter, preferred embodiments of the toilet seat device of the present invention will be described in detail with reference to the drawings. In the following description, the same or corresponding parts are denoted by the same reference numerals, and redundant description is omitted.

(First embodiment)
1st Embodiment of the electric blower of this invention is described using FIGS. 1-3.

  FIG. 1 is an overall perspective view of a vacuum cleaner provided with a first embodiment of the electric blower of the present invention. Moreover, FIG. 2 is front sectional drawing of 1st Embodiment of the electric blower of this invention. Further, FIG. 3 is an overall perspective view of the frame body portion in the first embodiment of the electric blower of the present invention.

  As shown in FIG. 1, the vacuum cleaner 100 mainly includes a cleaner body 1, a hose 2, a connection pipe 3, an extension pipe 4, and a suction tool 5.

  The vacuum cleaner main body 1 is mainly disposed at the rear of the vacuum cleaner main body 1 and is provided in front of the electric blower 6 for sucking dust, and collects the dust sucked by the electric blower 6. It is comprised from the dust collector 7 which dusts. A suction port (not shown) for connecting the hose 2 is provided in front of the cleaner body 1.

  One end of the hose 2 is connected to the suction port (not shown) of the cleaner body 1, and the other end is connected to the connection pipe 3. An extension pipe 4 is connected to the other end of the connection pipe 3 opposite to the side connected to the hose 2. The connection pipe 3 is provided with a handle (not shown) for the user to hold.

  The extension pipe 4 has one end connected to the connection pipe 3 and the other end connected to the suction tool 5. The suction tool 5 is provided with an opening (not shown) for sucking dust, and the dust sucked from the opening (not shown) of the suction tool 5 is connected to the extension pipe 4. The dust is collected by the dust collector 7 through the pipe 3 and the hose 2.

  As shown in FIG. 2, the electric blower 6 mainly includes a motor having a motor body 8 and a fan 16, a motor cushion 9, and a frame body having an upper frame body 11 and a lower frame body 12. ing.

  A support rubber 15 is attached to the rear of the motor body 8 via a motor supporter 13, and the support rubber 15 can sufficiently prevent vibration of the motor.

  A motor cushion 9 having an opening (not shown) in front is provided in front of the fan unit 16 so as to cover a part of the outer periphery of the fan unit 16. In addition, a support plate 10 is provided at an opening (not shown) of the motor cushion 9, and heat generated from the motor can be blocked by the support plate 10, and air to the fan unit 16 can be blocked. Can be taken in smoothly.

  The upper frame body 11 and the lower frame body 12 are attached so as to cover a part of the outer periphery of the motor cushion 9, the fan portion 16, the motor main body portion 8, the motor supporter 13, and the motor rubber 15. The upper frame body 11 and the lower frame body 12 are each provided with a claw portion (not shown), and the upper frame body 11 and the lower frame body 12 are fitted by the claw portion. Further, ribs 11a and ribs 12a extending in the axial direction of the motor are provided inside the rear portions of the upper frame body 11 and the lower frame body 12, respectively. The ribs 11a and the ribs 12a are provided on the support rubber 15. It is held in the provided recess 15a. As shown in FIGS. 2 and 3, a plurality of holes are provided in the circumferential direction of the fan portion 16 between the motor cushion 9 and the motor main body portion 8 that cover the fan portion 16 of the lower frame body 12. 17 is provided.

As shown in FIGS. 2 and 3, the motor cushion 9 is held in such a manner that a part of the outer periphery thereof is sandwiched from above and below by the upper frame body 11 and the lower frame body 12. A plurality of projections 11 b and projections 12 b are provided at equal intervals in the circumferential direction of the fan unit 16 at positions covering the motor cushion 9 in front of the upper frame 11 and the lower frame 12. . The motor cushion 9 is held by the upper frame body 11 and the lower frame body 12 when the projecting portion 11b and the projecting portion 12b dig into the motor cushion 9 and press-contact with the motor cushion 9, and the projecting portion 11b and the projecting portion 12b are held by the motor. The motor cushion 9 is prevented from coming off due to vibration or impact by biting into the cushion 9 and being in pressure contact therewith. Here, the motor cushion 9, the protrusion 11b, and the protrusion 12b are pressed against each other, but the motor cushion 9, the protrusion 11b, and the protrusion 12b are the motor cushion 9, the upper frame body 11, and the lower frame body 12. It is press-contacted so that a gap may be generated between them.

  About the electric blower comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  As shown in FIG. 1, when a user performs cleaning by connecting a hose 2, a connection pipe 3, an extension pipe 4, and a suction tool 5 to the cleaner body 1, the user turns on the power source of the vacuum cleaner 100. , The electric blower 6 in the cleaner body 1 operates, and dust is sucked from an opening (not shown) of the suction tool 5. Dust sucked from an opening (not shown) of the suction tool 5 flows into the dust collector 7 from the intake port 26 of the dust collector 7 through the extension pipe 4, the connection pipe 3, and the hose 2.

  As shown in FIGS. 2 and 3, a plurality of exhaust air from the fan section 16 of the motor of the electric blower 6 is provided at equal intervals at positions covering the motor cushion 9 in front of the upper frame body 11 and the lower frame body 12. A plurality of protrusions 11b and 12b are provided in the circumferential direction of the fan portion 16 between the motor cushion 9 and the motor main body 8 in the gap between the protrusions of the protrusion 11b and the protrusion 12b and the portion of the lower frame 12 that covers the fan portion 16. Since the holes 17 are efficiently discharged, the motor efficiency can be improved. Moreover, since the exhaust air from the fan unit 16 can be rectified by arranging the protrusions 11b and the protrusions 12b at equal intervals, the motor efficiency can be further improved and wind noise can be reduced. Noise can be reduced.

(Second Embodiment)
A second embodiment of the dust collector of the present invention will be described with reference to FIG. Note that the same parts as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted. FIG. 5 is a perspective view of the fine dust chamber in the first embodiment of the dust collector of the present invention.

  FIG. 4 is an overall perspective view of the frame body portion in the second embodiment of the electric blower of the present invention.

  As shown in FIG. 4, a plurality of protrusions 11b and protrusions 12b are provided in a plurality of rows in the motor axial direction at positions covering the motor cushion 9 in front of the upper frame body 11 and the lower frame body 12. Yes. Thereby, since the location which bites into the motor cushion 9 of the upper frame 11 and the lower frame 12 and press-contacts increases, the motor cushion 9 becomes difficult to remove | deviate.

  As mentioned above, although the electric blower of 1st Embodiment of this invention and 2nd Embodiment was demonstrated, the electric blower of this invention is not limited to the electric blower of 1st Embodiment and 2nd Embodiment which were mentioned above.

  For example, in the electric blower of the first embodiment and the second embodiment, the configuration in which the upper frame body 11 and the lower frame body 12 cover a part of the outer periphery of the motor cushion 9 has been described. The body 12 only needs to hold the motor cushion 9, and the upper frame body 11 and the lower frame body 12 may cover the entire motor cushion 9. Thereby, the motor cushion 9 becomes more difficult to come off.

  In the electric blower of the first embodiment and the second embodiment, the circumferential direction of the fan unit 16 is between the motor cushion 9 and the motor body unit 8 that covers the fan unit 16 of the lower frame 12. The configuration in which the plurality of holes 17 are provided has been described, but the circumferential direction of the fan portion 16 is also provided between the motor cushion 9 and the motor main body portion 8 of the upper frame 11 that covers the fan portion 16. A plurality of holes may be provided. Thereby, the exhaust air from the fan part 16 can be discharged more efficiently, and the motor efficiency can be improved.

  The electric blower of the present invention and the electric vacuum cleaner provided with the electric blower are detached from the motor cushion and the upper frame body and the lower frame body when the electric vacuum cleaner is used or when an impact is applied to the electric vacuum cleaner. As well as being able to prevent this, it is possible to efficiently exhaust the exhaust air from the fan part of the motor, improve the efficiency of the motor, and provide a vacuum cleaner with high suction capacity. The present invention can be suitably applied to the fields and uses of electric vacuum cleaners for home use and business use.

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner main body 2 Hose 3 Connection pipe 4 Extension pipe 5 Suction tool 6 Electric blower 7 Dust collector 8 Motor main body 9 Motor cushion 10 Support plate 11 Upper frame 11a Rib 11b Protrusion 12 Lower frame 12a Rib 12b Protrusion Part 13 Motor supporter 15 Support rubber 15a Concave part 16 Fan part 17 Hole part

Claims (5)

A motor having a fan part and a motor body part;
A motor cushion surrounding a part of the outer periphery of the fan part;
It is composed of an upper frame body and a lower frame body, and a frame body portion covering the outer periphery of the motor and the outer periphery of the motor cushion,
Have
An electric blower in which a plurality of protrusions are provided at positions in contact with the motor cushion inside the frame body portion.   The electric blower according to claim 1, wherein the protrusions are arranged at equal intervals.   The electric blower according to claim 1 or 2, wherein the protrusions are provided in a plurality of rows in the axial direction of the motor.   The electric blower according to any one of claims 1 to 3, wherein a plurality of holes are provided in a portion of the frame body portion that covers the fan portion.   The vacuum cleaner which has an electric blower of any one of Claims 1-4.