JP2007029216A - Vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vacuum cleaner capable of efficiently demonstrating the effect of a filter installed on the exhaust side of the dust collecting part of a cleaner main body and keeping the effect. <P>SOLUTION: The vacuum cleaner comprises: the cleaner main body 1 incorporating a motor-driven blower 5 for generating suction air for sucking dust and a dust collecting case 3 for catching the collected dust; a hose unit 10; and a suction tool 15 freely detachably connected through an extension pipe 14 freely detachably connected to the operation part 13 of the hose unit 10. On the exhaust air path side of the motor-driven blower 5 of the cleaner main body 1, an exhaust filter 18 for catching the dust is freely detachably provided. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a vacuum cleaner, and more particularly to a structure of a vacuum cleaner main body provided with a dust collecting filter at an exhaust port.

Conventionally, as this type of vacuum cleaner, for example, “the exhaust passage at the rear of the main body dust collection chamber, the filter chamber is provided on the upper surface of the main body, and a partition by a slit is provided on the exhaust passage side, the exhaust can easily flow into the filter chamber. Further, there has been proposed a filter housing chamber in which a part of the light transmitting member is disposed on the outer wall surface (see, for example, Patent Document 1).
JP 2004-236931 A (Claim 1)

  In the conventional vacuum cleaner, a filter is provided in a separate chamber partitioned by a slit in the rear exhaust passage of the main body dust collecting unit. For this reason, since the air flow of the exhaust does not directly pass through the filter and only a part of the air flow flows into the filter due to the turbulent air flow, there is a problem that the effect of the filter is remarkably reduced.

  Moreover, said conventional vacuum cleaner is attached in the state which a filter cannot be attached or detached from a cleaner main body. For this reason, even if the filter is contaminated, there is a problem that maintenance cannot be performed and sufficient effects cannot be exhibited.

  The present invention has been made to solve the above-described problems, and can effectively exhibit the effect of the filter installed on the exhaust side of the dust collecting portion of the cleaner body and maintain the effect. An object of the present invention is to provide a vacuum cleaner that can be used.

  An electric vacuum cleaner according to the present invention includes an electric blower that generates suction air for sucking dust, a vacuum cleaner main body including a dust collecting portion for collecting the collected dust, and the vacuum cleaner main body at one end. A hose unit having a main body connecting portion that is detachably attached to the front portion and an operation portion at the other end, an extension pipe that is detachably connected to the operation portion of the hose unit, and a detachable attachment to the extension pipe And an exhaust filter for collecting dust is detachably provided on the exhaust air passage side of the electric blower of the cleaner body.

  According to the present invention, the exhaust filter is detachably provided on the exhaust air passage side of the electric blower of the vacuum cleaner body, and dust contained in the air exhausted from the dust collector can be reliably collected, Moreover, since it is detachable, the effect can be maintained.

  FIG. 1 is a perspective view of an electric vacuum cleaner according to an embodiment of the present invention, FIG. 2 is a perspective view of the main body of the electric vacuum cleaner as seen from its rear part, and FIGS. 3 and 4 are dust collection cases and their surroundings. It is explanatory drawing which showed the structure of these. An electric vacuum cleaner main body (hereinafter referred to as a vacuum cleaner main body) 1 is provided with a connection port (connection portion) 2 to which a hose unit 10 is detachably attached on the front side thereof, A dust collecting case 3 for separating the sucked air and dust and collecting the dust is provided. The dust collecting case 3 constitutes a dust collecting portion of the present invention, and can be taken out by opening a cover body A33 provided on the upper portion of the cleaner body 1 so as to be freely opened and closed. A backup filter 4 for collecting dust that could not be collected by the dust collection case 3 is provided behind the dust collection case 3, and an electric blower 5 (see FIG. 5 and the like to be described later) behind the dust collection case 3. Is installed. Moreover, the exterior member 7 provided with the exhaust port 6 is detachably attached to the rear wall of the cleaner body 1. And the wheel 8a (refer FIG. 18 mentioned later) is attached to the bottom face of the vacuum cleaner main body 1 rotatably with respect to a running direction, and the rear wheel 8b is provided in both sides | surfaces. A main body connection portion 12 connected to the connection port 2 of the cleaner main body 1 is provided at one end of the hose 11 of the hose unit 10, and an operation portion 13 is provided at the other end. An extension tube 14 is detachably connected to the operation unit 13, and a suction tool 15 is detachably connected to a distal end portion of the extension tube 14. The vacuum cleaner main body 1 includes a lower case 31, an upper case 32, two cover bodies A33, and a cover body B34 as constituents of the outer wall. The cover body A33 and the cover body B34 are both provided. The cover body A33 is attached to the upper case 32 so as to be freely opened and closed, and the cover body B34 is fixedly attached to the upper case 32. The exterior member 7 is detachably attached to the rear end side of the upper case 32.

  Next, the outline | summary of operation | movement of the vacuum cleaner of FIG. 1 is demonstrated. First, the main body connection portion 12 of the hose unit 10 is inserted and connected to the connection port 2 of the cleaner body 1, the cord 16 provided on the rear wall side of the cleaner body 1 is pulled out, and the plug 16 a is used as a power source. Connecting. When the power switch provided in the operation unit 13 is turned on, the electric blower 5 starts to be driven, and dust such as floor is sucked from the suction tool 15 together with air by the suction airflow generated thereby, and the extension pipe 14 and the hose unit 10 is sent into the cleaner body 1. The dust and air sent to the cleaner body 1 are separated into dust and air by the dust collection case 3, and the dust is collected in the dust collection case 3. The air separated from the dust is further filtered by the backup filter 4 to become clean air, and is discharged from the exhaust port 6 through the electric blower 5 and the intermediate exhaust port 17 (see FIG. 5 described later). The cleaning operation is performed by the operator holding the operation unit 13 in his / her hand, but as the operator moves while holding the operation unit 13, the cleaner main body 1 is also moved (runs) by being pulled by the hose 11. When the dust collecting case 3 is replaced, as shown in FIGS. 3 and 4, the dust collecting case 3 is taken out by opening the cover body A33 formed on the upper part of the cleaner body 1. The Next, the configuration of the rear end side of the cleaner body 1 will be described in detail with reference to the drawings.

  FIG. 5 is a cross-sectional view of the rear side of the cleaner body 1. The vacuum cleaner main body 1 includes the lower case 31 and the upper case 32 as described above. The electric blower 5 is disposed in the lower case 31, and the outer periphery of the electric blower 5 absorbs the noise of the electric blower 5. Sound-absorbing material (not shown) and a sound-absorbing cover material (not shown) for ensuring a long exhaust air passage. By combining the upper case 32 with the lower case 31 provided with the electric blower 5, an exhaust air passage for discharging the sucked air flow is formed. That is, an intermediate exhaust port 17 for discharging the air sucked by the electric blower 5 is formed on the rear end side (the electric blower 5 side) of the upper case 32. A curved pleated collecting filter (hereinafter referred to as an exhaust filter) 18 for collecting the wear powder of the commutator of the blower 5 is disposed. For this reason, the abrasion powder of the commutator of the electric blower 5 is not discharged to the outside of the cleaner body 1. A part of the upper case 32 is covered with a cover body B34 made of a permeable member, and the exhaust filter 18 is held under the cover body B34. For this reason, the dirt state of the exhaust filter 18 can be easily visually recognized from the outside of the cleaner body 1 through the cover body 34. Further, as described above, the exterior member 7 is detachably attached to the upper case 32, and after exhausted dust is collected by the exhaust air filter 18 from the sucked air flow, the exhaust of the exterior member 7 is exhausted. It is discharged out of the cleaner body 1 through the mouth 6. The configurations of the intermediate exhaust port 17, the exhaust filter 18, and the exterior member 7 will be described in more detail.

  FIG. 6 is a perspective view of the cleaner body 1 with the exhaust filter 18 and the exterior member 7 removed, and FIG. 7 shows a state in which half of the cover body B34 is cut out, and FIG. 8 shows the cover body. It is a perspective view of the state where most of B34 was notched. As apparent from FIGS. 6 to 8, the intermediate exhaust port 17 formed on the lower side of the cover body B34 is formed of a lattice-shaped opening, and the upper surface of the intermediate exhaust port 17 is the front side (dust collecting). The case 3 side is flat, but the rear side (exhaust port 6 side) is inclined. Further, since the exhaust filter 18 is mounted on the intermediate exhaust port 17, a recess 32a for mounting the exhaust filter 18 is formed on the rear side of the upper case 32, and the bottom of the recess 32a is formed. An intermediate exhaust port 17 is formed.

  9 is a perspective view showing a state in which the exhaust filter 18 is attached to the cleaner body 1 of FIG. 6, and FIG. 10 is a perspective view of the exhaust filter 18. As shown in FIG. FIG. 11 is a perspective view in a state where the exhaust filter 18 is mounted, and shows a state in which almost half of the cover body B34 is cut away. The exhaust filter 18 has a shape corresponding to the upper surface of the intermediate exhaust port 17, and has a curved shape including a flat portion 18a and an inclined portion 18b. The filter medium 18c is formed in a pleat shape and impregnated with a silver antibacterial agent (not shown). As this antibacterial agent, for example, a silver-based antibacterial agent having a particle size of 1 micron or less is used. In the exhaust filter 18, the filter medium 18c is folded into a pleat shape, and then cut into the shape of the exhaust filter 18. After cutting, the frame of the exhaust filter 18 is made of a plastic material by insert molding with a plastic material. A gripping portion 18d as shown in the figure is formed as a part of the frame, and the gripping portion 18d is gripped and inserted into the concave portion 32a and mounted on the intermediate exhaust port 17.

  12 is a perspective view of a state in which the exterior member 7 is attached to the cleaner body 1 of FIG. 11, FIG. 13 is a perspective view of the exterior member 7, FIG. 14 is a plan view of the exterior member 7, and FIG. FIG. 14 is a cross-sectional view taken along line AA in FIG. The exterior member 7 is formed with a plurality of groove-shaped openings 6 and the lower portion thereof is inserted into a recess 32b (see FIG. 16) formed in the upper case 32 of the cleaner body 1. A pair of convex portions 7a is formed, a grip portion 7b is formed on the upper portion, and a plurality of bending claw portions 7c that can be bent are formed on the tip side of the grip portion 7b. These convex portions 7a, gripping portions 7b and fixing claw portions 7c constitute the locking mechanism of the present invention, and a plurality of (two in this example) fixing devices are obtained by picking the gripping portions 7b and pressing them inside. The claw portion 7c bends inward.

  FIG. 16 is a perspective view of the rear end portion of the cleaner body 1, and FIG. 17 is an explanatory view of a state where the exterior member 7 is attached to the cleaner body 1. The cover body B34 of the cleaner body 1 is provided with an engagement hole 34a into which the fixing claw portion 7c of the exterior member 7 is inserted, and the convex portion 7a of the exterior member 7 is inserted into the concave portion 32b of the upper case 32. Thereafter, the holding portion 7b is picked and the fixing claw portion 7c is bent inward and inserted into the engagement hole 34a. Thereafter, when the gripping portion 7b is released, the fixing claw portion 7c disappears and returns to its original state, so that the fixing claw portion 7c of the exterior member 7 is engaged and fixed to the engagement hole 34a. By attaching the exterior member 7 in this way, the exhaust filter 18 is held above the intermediate exhaust port 17. When the exterior member 7 is taken out, the gripping portion 7b is gripped to deform the fixing claw portion 7c, so that the engagement with the cover body B34 is released and the exterior member 7 can be removed. Since the exterior member 7 can be removed in this way, the exhaust filter 18 can be removed from the cleaner body 1. In addition, although the back surface of the holding part 7b of the exterior member 7 fulfill | performs the function as a support part when the vacuum cleaner main body 1 is inverted, it is demonstrated based on FIG.

  FIG. 18 is a perspective view of the rear end side of the cleaner body 1. The back surface portion of the gripping portion 7b is located on the outermost peripheral surface of the cleaner body 1, that is, provided so as to protrude from the lower case 31 in order to hold the cleaner body 1 when it is inverted. The plurality of (two in this example) support portions 35 are located on substantially the same outer peripheral surface. For this reason, when the vacuum cleaner main body 1 is inverted, the vacuum cleaner main body 1 can be stably inverted by three-point support by combining the plurality of support portions 35 and the back surface of the gripping portion 7b of the exterior member 7. it can.

  Incidentally, the cover body B34 formed on the rear end side of the cleaner body 1 is formed so as to cover a part of the plug 16a at the tip of the cord 16, as shown in FIG. For this reason, when the cord 16 is pulled into the cleaner body 1, it is possible to prevent the plug 16a from jumping upward.

  As described above, in the first embodiment, since the exhaust filter 18 is provided in the intermediate exhaust port 17 formed in the exhaust passage at the rear of the dust collecting case 3 of the cleaner body 1, dust is reliably captured. You can gather.

  In addition, since the exterior member 7 in which the exhaust port 6 is formed is detachably provided and the exhaust filter 18 can be removed by removing the exterior member 7, maintenance can be easily performed. The exterior member 7 includes a gripping portion 7b and a fixing claw portion 7c as a locking mechanism for fixing to the cleaner body 1, and the back surface of the gripping portion 7b is on the outermost peripheral surface of the cleaner body 1. When the cleaner body 1 is positioned and inverted, it becomes a support part that holds the cleaner body 1 together with the other support parts 35, so that the cleaner body 1 can be stably inverted.

In addition, although the exhaust pressure loss may increase due to the provision of the exhaust filter 18, the exhaust filter 18 is configured in a pleat shape, so that the development area of the filter medium can be increased, and the exhaust pressure loss is also reduced. And increase in air resistance can be minimized. In addition, since the exhaust filter 18 has a curved shape, even when removing dust adhering to the exhaust filter 18 while applying vibration or impact, the strength is ensured, so that the exhaust filter 18 is not damaged and has high durability. A filter can be provided.
Further, since the exhaust filter 18 is covered with the cover body B34 made of a permeable member, the contamination state of the exhaust filter 18 can be confirmed from the outside of the cleaner body 1 without removing the exhaust filter 18, so that it is easy to use. It has become.
Further, by adding a silver-based antibacterial agent to the exhaust filter 18, clean bacteria can be maintained without proliferation of germs and the like due to dust collected by the exhaust filter 18. Occurrence of off-flavors can be suppressed by suppressing the propagation of germs.
Further, by making the silver antibacterial agent particles finer to the nano class, more silver antibacterial agents can be brought into contact with various germs, so that a high effect can be exhibited.

It is a perspective view of the vacuum cleaner which concerns on Embodiment 1 of this invention. It is a perspective view from the rear part of the cleaner body of FIG. It is explanatory drawing (the 1) which showed the dust collection case and the surrounding structure. It is explanatory drawing (the 2) which showed the dust collection case and the surrounding structure. FIG. 3 is a cross-sectional view of the rear side of the cleaner body 1. It is a perspective view (the 1) of the cleaner body in the state where the exhaust filter and the exterior member were removed. It is a perspective view (the 2) of the cleaner body in the state where the exhaust filter and the exterior member were removed. It is a perspective view (the 3) of the cleaner body in the state where the exhaust filter and the exterior member were removed. It is the perspective view which showed the state which attaches an exhaust filter to the cleaner body. It is a perspective view of an exhaust filter. It is a perspective view in the state where an exhaust filter was installed. It is a perspective view in the state where the exterior member is attached to the cleaner body. It is a perspective view of an exterior member. It is a top view of an exterior member It is AA sectional drawing of FIG. It is a perspective view of the rear-end part of a cleaner body. It is explanatory drawing of the state which mounted | wore the vacuum cleaner main body with the exterior member. It is a perspective view of the rear-end part side of a cleaner body.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner main body, 2 Connection port, 3 Dust collection case, 4 Backup filter, 5 Electric blower, 6 Exhaust port, 7 Exterior member, 10 Hose unit, 17 Intermediate exhaust port, 18 Exhaust filter, 33 Cover body A, 34 Cover Body B, 35 Support part.

Claims (7)

An electric blower that generates suction air for sucking dust, and a vacuum cleaner body including a dust collecting part for collecting the collected dust;
A hose unit having a main body connecting part detachably attached to the front part of the vacuum cleaner main body at one end, and an operating part at the other end;
An extension pipe detachably connected to the operation portion of the hose unit, and a suction tool detachably connected to the extension pipe,
An electric vacuum cleaner, wherein an exhaust filter for collecting dust is detachably provided on the exhaust air passage side of the electric blower of the vacuum cleaner body.   The vacuum cleaner according to claim 1, wherein the vacuum cleaner body includes a cover body that covers at least a part of the exhaust filter, and the cover body is formed of a transparent member.   An exterior member having an exhaust port is provided on the exhaust side of the exhaust filter, and the exterior member is configured to be detachable as a separate body from the cleaner body, and the exhaust filter can be detached from the space from which the exterior member is removed. The vacuum cleaner according to claim 1, wherein the vacuum cleaner is configured as described above.   The exterior member includes a lock mechanism for fixing to the vacuum cleaner body, and a back portion of the lock mechanism is located on an outermost peripheral surface of the vacuum cleaner body, and the vacuum cleaner is turned upside down when the vacuum cleaner body is inverted. The vacuum cleaner according to any one of claims 1 to 3, wherein the vacuum cleaner is configured to be a support portion that holds the main body.   The vacuum cleaner according to any one of claims 1 to 4, wherein the exhaust filter is impregnated with an antibacterial agent, and a silver-based antibacterial agent having a particle diameter of 1 micron or less is used as the antibacterial agent. .   The vacuum cleaner according to any one of claims 1 to 5, wherein the exhaust filter is formed in a pleat shape. The vacuum cleaner according to claim 1, wherein the exhaust filter has a curved shape.

Images