JP4978305B2 - Dust collector - Google Patents

Description

  The present invention relates to a dust collector having a carrying handle.

  In general, a dust collector sucks air with a dust collecting fan that is driven to rotate by a motor, separates dust contained in the sucked air with a filter, and collects the dust in a tank. A head portion attached to the upper surface opening of the tank is provided.

  By the way, as an environment in which such a dust collector is used, there are construction sites and renovation sites other than homes, and the dust scattered around by work such as cutting, cutting, grinding, etc. with electric tools at the construction site is collected. A relatively large dust collector for use is also known. In this way, large dust collectors are usually taken home by car every day after work to prevent theft, etc., but depending on the work site, the car will be brought close to the site due to problems such as parking lots and empty space There are many cases where this is not possible.

  The conventional dust collector can be moved on the floor surface by a plurality of casters provided at the lower end of the tank. In this movement, the handle provided on the upper part of the head part is pushed by hand, and the main body is rolled while the casters are rolled. Has been made to move.

  However, as described above, the work of moving the dust collector by manually pushing the handle provided on the upper portion of the head portion is difficult to push because the height of the handle is low, and there is a problem of great fatigue.

  Therefore, a proposal has been made to provide a handle in the tank or head of the dust collector and move the dust collector in an easy posture by operating this handle.

  That is, in Patent Document 1, a slide handle is provided on the tank or the head part so as to be movable up and down. When moving the dust collector, the slide handle is pushed up and used. When not in use, the slide handle is pushed down and attached to the lower end. Proposals have been made for pressing an elastic body such as rubber against a floor surface to function as a stopper.

  In Patent Document 2, a retractable handwheel handle is pivotally supported on the main body of the vacuum cleaner so as to be pivotable in the front-rear direction. Proposals have been made that can be easily held and taken out in a short time.

Further, Patent Document 3 includes a travel control device that performs travel control of the main body, a handle that can be extended and stored outside the main body, and a detection switch that detects a storage state of the handle. A self-propelled cleaner that switches the operation mode of the travel control device based on the detection result has been proposed.
Japanese Patent Laid-Open No. 2006-254995 JP 2006-043264 A Japanese Patent No. 3019520

  By the way, the dust collector is provided with a concave cord storage portion in which the cord is wound and stored in the head portion. However, in the configuration proposed in Patent Document 1, the slide handle is stored even when the slide handle is pushed down. Because it is higher than the height of the section, the cord can be wound around the cord storage section and stored, or when pulling out the cord stored in the cord storage section, the slide handle gets in the way, and the winding and withdrawal of the cord is working There is a problem that it cannot be performed well.

  Patent Documents 2 and 3 do not mention the relationship between the cord storage portion and the handle.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a dust collector that can perform winding and pulling of a cord around a cord storage portion with high workability while maintaining high movement operability. There is.

In order to achieve the above-mentioned object, the invention according to claim 1 includes a head portion including a motor and a dust collecting fan that is rotationally driven by the motor, and a tank in which the head portion is detachably attached to the upper surface opening. In a dust collector equipped with a cord storage portion for winding and storing a cord, a handle that can take a carrying position and a storage position is provided, and the handle is not positioned around the cord storage portion when the handle is in the storage position. The handle is positioned around the cord wound around the cord storage portion when the handle is in the carrying position .

According to a second aspect of the present invention, in the first aspect of the invention, the cord storage portion is provided in the head portion, and a handle that can be expanded and contracted is provided in the tank. Is located below the cord storage portion , and when the handle is in the carrying position, the free end is located above the cord storage portion .

  According to a third aspect of the present invention, the handle according to the second aspect of the present invention is characterized in that the handle is rotatably provided at an upper portion or a lower portion of the tank.

  According to a fourth aspect of the present invention, in the first aspect of the invention, the cord storage portion is provided in the head portion, a handle is rotatably provided at a lower portion of the tank, and the handle is provided at a lower portion in the tank. It can be stored.

  The invention according to claim 5 is characterized in that, in the invention according to claim 4, the handle can be extended and contracted.

  A sixth aspect of the invention is characterized in that, in the invention according to any one of the first to fifth aspects, the handle is provided on a side opposite to a hose connection port of the tank.

  According to a seventh aspect of the present invention, in the first aspect of the invention, the cord storage portion is provided in the head portion, a handle is rotatably provided in the head portion, and the handle can be stored in the head portion. It is characterized by that.

  The invention according to claim 8 is the invention according to claim 1, wherein the cord storage portion is provided in the head portion, a flexible handle is provided in the tank, and the flexible handle is wound around the outer periphery of the tank. It is characterized by storing.

  The invention according to claim 9 is the invention according to any one of claims 1 to 8, wherein a rotating member is provided at a lower end of the tank.

  According to a tenth aspect of the present invention, in the ninth aspect of the invention, a plurality of the rotating members are provided, and at least rotation of the rotating member on the handle side in the direction perpendicular to the axis is restricted.

  The invention described in claim 11 is characterized in that, in the invention described in claim 9 or 10, the rotating member on the side opposite to the handle is rotatable in the direction perpendicular to the axis.

  A twelfth aspect of the invention is characterized in that, in the invention of any of the first to eleventh aspects, the switch panel and the remote control receiver are provided on the side opposite to the handle.

  According to the first aspect of the present invention, when the dust collector is moved, the handle is positioned at the carrying position, and the dust collector can be moved in an easy posture by holding or pushing or pulling the handle. If the handle is returned to the storage position after the dust collector is moved, the handle can be stored in a compact manner. However, in this storage state, the handle is not positioned around the cord storage portion. The handle is not disturbed during winding and unwinding, and the cord can be wound and stored with good workability, or the cord can be pulled out and inserted into the power source with good workability.

  According to the second aspect of the present invention, when the dust collector is moved, the handle provided in the tank is stretched, and the handle can be operated to move the dust collector in an easy posture. If the handle is retracted and stored, the free end (upper end) of the handle is positioned below the cord storage portion, so that the handle does not interfere with the winding and unwinding of the cord with respect to the cord storage portion. The cord can be wound or taken out with good workability.

  According to the third aspect of the present invention, since the extendable handle is rotatably provided at the upper or lower part of the tank, when the dust collector is moved, the handle is extended and rotated, and if it is tilted to an angle that is easy to operate, The dust collector can be moved in an easy posture by operating the handle. When the handle is retracted and rotated back to the original storage position, the free end (upper end) of the handle is located below the cord storage portion, so that the cord can be wound and unwound around the cord storage portion. The cord can be wound or taken out with good workability without disturbing the handle.

  According to the fourth aspect of the present invention, since the handle is rotatably provided at the lower portion of the tank, when the dust collector is moved, if the handle is rotated and tilted to an easy-to-operate angle, the handle is operated to operate the dust collector. It can be moved in an easy posture. If the handle is rotated to the original storage position and stored in the lower part of the tank, the handle does not interfere with the winding and unwinding of the cord with respect to the cord storage portion. Can be taken out.

  According to the fifth aspect of the present invention, since the handle provided in the lower part of the tank so as to be rotatable and retractable can be extended and retracted, the dust collector can be moved in a more comfortable posture by extending the handle when the dust collector is moved. Can do.

  According to the invention described in claim 6, since the handle is provided on the side opposite to the hose connection port of the tank, the duct hose connected to the hose connection port of the tank and the handle do not interfere with each other. And the function of the handle will not be harmed.

  According to the seventh aspect of the present invention, since the handle is provided in the head portion so as to be rotatable, and the handle can be stored in the head portion, when the dust collector is moved, the handle is rotated and tilted to an angle that is easy to operate. By operating this handle, the dust collector can be moved in an easy posture. Then, if the handle is rotated to the original storage position and stored in the lower part of the head portion, the handle does not interfere with the winding and unwinding of the cord with respect to the cord storage portion. Can be taken out.

  According to the invention of claim 8, the cord storage portion is provided in the head portion, the flexible handle such as a rope is provided in the tank, and the flexible handle is wound around the outer periphery of the tank for storage. When the dust collector is moved, the dust collector can be moved in an easy posture by taking out and pulling the flexible handle wound around the outer periphery of the tank. If the flexible handle is wound around the outer periphery of the tank and stored, the flexible handle does not interfere with the winding and unwinding of the cord with respect to the cord storage portion, so that the cord is wound or taken out with good workability. be able to.

  According to the ninth aspect of the present invention, since the rotating member such as a caster is provided at the lower end of the tank, the dust collector can be smoothly moved with a small force.

  According to the tenth aspect of the invention, at least the rotation of the rotating member on the handle side in the direction perpendicular to the axis is restricted, so that the straightness during movement of the dust collector is improved.

  According to the eleventh aspect of the invention, since the rotating member on the side opposite to the handle can be rotated in the direction perpendicular to the axis, the cornering property when the dust collector is moved is improved.

  According to the twelfth aspect of the present invention, since the switch panel and the remote control receiver are provided on the side opposite to the handle, the dust collector can be started / stopped by turning the switch ON / OFF by remote control.

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

<Embodiment 1>
1 is a side view showing a part of the dust collector according to Embodiment 1 of the present invention in a broken state, FIG. 2 is a rear view of the dust collector of the dust collector, and FIG. 3 is a plan view of the dust collector.

  The dust collector 1 according to the present embodiment is configured by providing a drum-shaped tank 3 below the head portion 2 and providing a total of three casters 4 and 5 as rotating members on the lower surface of the tank 3. 4 and 5 can move freely on the floor.

  As shown in FIG. 1, a motor 6 is vertically arranged in the center of the head portion 2, and a dust collecting fan 7 is provided on an output shaft (motor shaft) 6 a extending vertically downward from the motor 6. Are directly connected. The head unit 2 is provided with a switch panel 8 provided with a switch for starting and stopping the motor 6, a remote control receiving unit (not shown), and a discharge port 9 for discharging air. A handle 10 is provided as shown in FIG. Furthermore, a concave cord storage portion 12 for winding and storing the cord 11 is formed on the outer periphery of the lower end portion, which is a boundary between the head portion 2 and the tank 3.

  On the other hand, the tank 3 is formed in a bottomed cylindrical shape, in which a filter 13 is accommodated, and a hose connection port 15 for connecting a duct hose 14 is provided on a side portion. The head portion 2 is detachably attached to the upper surface opening of the tank 3, and the head portion 2 can be easily attached to and detached from the tank 3 by operating the clamp 16. Further, as described above, the lower three of the tank 3 are provided with the three casters 4 and 5 which can be rotated, but one caster 4 provided on the hose connection port 15 side (left side in FIG. 1) The two casters 5 that are supported so as to be rotatable in a right angle direction (that is, freely rotatable 360 ° in the horizontal direction) and provided on the side opposite to the hose connection port 15 (the right side in FIG. 1) Rotation is regulated.

  By the way, on the opposite side of the tank 3 from the hose connection port 15, an upside-down inverted U-shaped handle 17 is provided. Here, the handle 17 is configured by inserting an inverted U-shaped pipe member 17b from above into a pair of left and right pipe members 17a fixed to the tank 3, and the pipe member 17b is located above and below the pipe member 17a. It is movable and is locked and fixed at an arbitrary height position by locking means (not shown).

  When the cleaning work is performed using the dust collector 1 configured as described above, the handle 17 is retracted as shown by a chain line in FIGS. The free end (upper end) is located below the cord storage portion 12 of the head portion 2. In this state, the cord 11 wound around the cord storage portion 12 of the head portion 2 is pulled out, and the power plug attached to the end portion is inserted into an outlet (not shown). As described above, the free end of the handle 17 ( Since the upper end) is located below the cord storage portion 12, the handle 17 does not get in the way of pulling out the cord 11, and the cord 11 can be pulled out with good workability and used.

  Thus, in the above state, a start / stop switch provided on the switch panel 8 is turned on, or a start signal issued from a remote control device (not shown) is received by a remote control (not shown) provided on the head unit 2. The motor 6 is started, the output shaft 6a of the motor 6 and the dust collecting fan 7 directly connected to the motor 6 rotate at a predetermined speed, and a suction force (negative pressure) is generated in the tank 3, Dust is sucked into the tank 3 from the duct hose 14 together with air.

  The dust sucked into the tank 3 together with the air is swung along the inner peripheral surface of the tank 3, and a part of the dust falls by its own weight and accumulates at the bottom of the tank 3, but falls to the bottom of the tank 3. The dust that has not been filtered is separated from the air by the filter 13, and only the air passes through the filter 13 and is discharged to the outside through the discharge port 9, and the separated dust adheres to the peripheral surface of the filter 13.

  When the dust collected on the bottom of the tank 2 is discarded by repeating the above cleaning operation, after the head unit 2 is fixed by the clamp 16, the head unit 2 is lifted upward by holding the handle 10. The tank 3 is removed from the tank 3, and the entire tank 3 is tilted sideways to discard dust accumulated at the bottom of the tank 3.

  Thus, when the cleaning operation is completed, the power plug attached to the end of the cord 11 is removed from the outlet, and the cord 11 is wound around the cord storage portion 12 of the head portion 2 and stored. Since the free end (upper end) is positioned below the cord storage portion 12, the handle 17 does not interfere with the winding of the cord 11, and the cord 11 can be wound and stored with good workability. .

  Thereafter, when the dust collector 1 is moved, the handle 17 is extended to the carrying position above the cord storage portion 12 as shown by a solid line in FIGS. 1 and 3, and the handle 17 is operated to make the dust collector 1 easy. It can be moved in a simple posture. In this case, since the casters 4 and 5 are provided at the lower end of the tank 3, the dust collector 1 can be moved smoothly with a small force. Further, since the rotation of the two casters 5 on the handle 17 side in the direction perpendicular to the axis is restricted, the straightness during movement of the dust collector 1 is improved. In addition, since one caster 4 on the side opposite to the handle 17 can be rotated in the direction perpendicular to the axis, cornering characteristics when the dust collector 1 is moved are improved.

  In the present embodiment, since the handle 17 is provided on the side opposite to the hose connection port 15 of the tank 3, the duct hose 14 connected to the hose connection port 15 of the tank 3 and the handle 17 do not interfere with each other. The functions of the duct hose 14 and the handle 17 are not impaired.

<Embodiment 2>
Next, a second embodiment of the present invention will be described with reference to FIG.

  FIG. 4 is a side view of the dust collector according to the second embodiment of the present invention. In this figure, the same elements as those shown in FIGS. 1 to 3 are denoted by the same reference numerals. The description will not be repeated.

  The present embodiment is characterized in that an extendable handle 17 is provided on the upper portion of the tank 3 so as to be rotatable around a rotation fulcrum 18, and the other configuration is the same as that of the dust collector 1 according to the first embodiment. The same.

  Thus, when the handle 17 is in the retracted position, the handle 17 is folded along the tank 3 in a contracted state as shown by a chain line in FIG. 2 is located below the cord storage section 12. Accordingly, the cord 11 wound around the cord storage portion 12 in this state is not pulled out, and the handle 17 is not obstructed when the cord 11 is wound around the cord storage portion 12, and the cord 11 is wound or taken out with good workability. be able to.

  When the dust collector 1 is moved, the handle 17 in the retracted position is swung in the direction of the arrow in the direction of the arrow to the solid line position in FIG. The operator can move the dust collector 1 in an easy posture by operating the handle 17.

<Embodiment 3>
Next, Embodiment 3 of the present invention will be described with reference to FIG.

  FIG. 5 is a side view of the dust collector according to Embodiment 3 of the present invention. In this figure, the same elements as those shown in FIGS. The description will not be repeated.

  This embodiment is characterized in that an extendable handle 17 is provided at the lower part of the tank 3 so as to be rotatable around a rotation fulcrum 18, and the other configuration is the same as that of the dust collector 1 according to the second embodiment. The same.

  Thus, when the handle 17 is in the retracted position, the handle 17 is folded along the tank 3 in a contracted state as shown by a chain line in FIG. The free end (upper end) of the head portion 2 is located below the cord storage portion 12. Accordingly, the cord 11 wound around the cord storage portion 12 in this state is not pulled out, and the handle 17 is not obstructed when the cord 11 is wound around the cord storage portion 12, and the cord 11 is wound or taken out with good workability. be able to.

  When the dust collector 1 is moved, the handle 17 in the retracted position is tilted by rotating it by a predetermined angle in the arrow direction to the carrying position indicated by the solid line position in FIG. If it is extended, the operator can move the dust collector 1 in an easy posture by operating the handle 17. Although not shown, the rotation fulcrum 18 is provided with locking means for locking and fixing the handle 17 at an arbitrary angular position.

<Embodiment 4>
Next, a fourth embodiment of the present invention will be described with reference to FIG.

  FIG. 6 is a side view of the dust collector according to Embodiment 4 of the present invention. In this figure, the same elements as those shown in FIGS. The description will not be repeated.

  In the present embodiment, the handle 17 is provided at the lower portion of the tank 3 so as to be rotatable around the rotation fulcrum 18, and the handle 17 is placed in a horizontal state and stored in the lower portion of the tank 3 together with the rotation fulcrum 18. The other configuration is the same as that of the dust collector 1 according to the third embodiment.

  Thus, when the handle 17 is in the storage position, the handle 17 is stored in the lower part of the tank 3 in a horizontal state as shown by a chain line in FIG. When the handle 17 is not used in this way, the handle 17 is stored in the lower part of the tank 3, so that the handle 17 does not interfere with the winding and unwinding of the cord 11 with respect to the cord storage portion 12. The cord 11 can be wound or taken out with good workability. Further, since the handle 17 is not exposed to the outside even during the dust collection work, the handle 17 does not interfere with the dust collection work.

  When the dust collector 1 is moved, as shown by a chain line in FIG. 6, the handle 17 is pulled out horizontally from the lower part in the tank 3 and then moved to the carrying position indicated by the solid line around the rotation fulcrum 18. If it is rotated in the direction of the arrow and tilted to an angle that is easy to operate, the handle 17 can be operated to move the dust collector 1 in an easy posture. As shown in FIG. 7, if the handle 17 can be expanded and contracted, the dust collector 1 can be moved in a more comfortable posture by extending the handle 17 when the dust collector 1 is moved.

<Embodiment 5>
Next, a fifth embodiment of the present invention will be described with reference to FIG.

  FIG. 8 is a side view of the dust collector according to the fifth embodiment of the present invention. In this figure, the same elements as those shown in FIGS. The description will not be repeated.

  In the present embodiment, the handle 17 is provided on the head unit 2 so as to be rotatable about the rotation fulcrum 18, and the handle 17 can be stored in the head unit 2 together with the rotation fulcrum 18 in a horizontal state. The other configuration is the same as that of the dust collector according to the fourth embodiment.

  Thus, when the handle 17 is in the storage position, the handle 17 is stored in the head portion 2 in a horizontal state as shown by a chain line in FIG. When the handle 17 is not used in this way, the handle 17 is stored in the head portion 2, so that the handle 17 does not interfere with the winding and unwinding of the cord 11 with respect to the cord storage portion 12. The cord 11 can be wound or taken out with good workability. Further, since the handle 17 is not exposed to the outside even during the dust collection work, the handle 17 does not interfere with the dust collection work.

  When the dust collector 1 is moved, as shown by a chain line in FIG. 8, the handle 17 is pulled out from the head portion 2 horizontally, and then carried around the rotation fulcrum 18 as shown by a solid line in the arrow direction. If it is rotated to a position and tilted to an easy-to-operate angle, the dust collector 1 can be moved in an easy posture by operating the handle 17.

<Embodiment 6>
Next, a sixth embodiment of the present invention will be described with reference to FIG.

  FIG. 9 is a side view of a dust collector according to Embodiment 6 of the present invention. In FIG. 9, the same elements as those shown in FIGS. The description will not be repeated.

  The present embodiment is characterized in that a flexible handle 19 such as a rope is provided in the tank 3, and the flexible handle 19 is wound around the outer periphery of the tank 3 for storage. An operating ring 20 is attached to the end portion (free end) of the. Other configurations are the same as those shown in FIGS.

  Thus, in the present embodiment, when the dust collector 1 is moved, the flexible handle 19 wound around the outer periphery of the tank 3 is taken out, and the flexible handle 19 is held by the ring 20 attached to the end thereof. By pulling the sex handle 19, the dust collector 1 can be moved in an easy posture. If the flexible handle 19 is wound around the outer periphery of the tank 3 and stored, the flexible handle 19 does not interfere with the winding and unwinding of the cord 11 with respect to the cord storage portion 12, so that the cord 11 is operated. It can be wound or taken out with good performance. The flexible handle 19 may be stored in the tank 3.

It is a side view which fractures | ruptures and shows a part of dust collector which concerns on Embodiment 1 of this invention. It is a rear view of the dust collector which concerns on Embodiment 1 of this invention. It is a top view of the dust collector which concerns on Embodiment 1 of this invention. It is a side view of the dust collector which concerns on Embodiment 2 of this invention. It is a side view of the dust collector which concerns on Embodiment 3 of this invention. It is a side view of the dust collector which concerns on Embodiment 4 of this invention. It is a side view which shows the modification of the dust collector which concerns on Embodiment 4 of this invention. It is a side view of the dust collector which concerns on Embodiment 5 of this invention. It is a side view of the dust collector which concerns on Embodiment 6 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Dust collector 2 Head part 3 Tank 4,5 Caster (rotating member)
6 Motor 6a Motor output shaft 7 Dust collecting fan 8 Switch panel 9 Discharge port 10 Handle 11 Cord 12 Cord storage part 13 Filter 14 Duct hose 15 Hose connection port 16 Clamp 17 Handle 17a, 17b Pipe material 18 Rotating fulcrum 19 Flexible Sex handle 20 ring

Claims (12)

In a dust collector equipped with a motor, a head portion provided with a dust collecting fan that is rotationally driven by the motor, a tank in which the head portion is detachably attached to the upper surface opening, and a cord storage portion that winds and stores the cord ,
A handle that can take a carrying position and a storage position is provided, and when the handle is in the storage position, the handle is not positioned around the cord storage part , and when the handle is in the carrying position, the handle is wound around the cord storage part. A dust collector characterized in that the handle is positioned around the attached cord . Provided with the cord storage portion in the head portion, and provided with a handle that can be expanded and contracted in the tank, and when the handle is in the storage position, its free end is located below the cord storage portion , and the handle is in the carrying position 2. The dust collector according to claim 1, wherein the free end of the dust collector is positioned above the cord storage portion .   The dust collector according to claim 2, wherein the handle is rotatably provided at an upper portion or a lower portion of the tank.   2. The dust collector according to claim 1, wherein the cord storage portion is provided in the head portion, a handle is rotatably provided at a lower portion of the tank, and the handle can be stored in a lower portion of the tank.   The dust collector according to claim 4, wherein the handle is extendable.   The dust collector according to any one of claims 1 to 5, wherein the handle is provided on a side opposite to a hose connection port of the tank.   2. The dust collector according to claim 1, wherein the cord storage portion is provided in the head portion, a handle is rotatably provided in the head portion, and the handle can be stored in the head portion.   2. The dust collector according to claim 1, wherein the cord storage portion is provided in the head portion, a flexible handle is provided in the tank, and the flexible handle is wound around the outer periphery of the tank for storage.   The dust collector according to claim 1, wherein a rotating member is provided at a lower end of the tank.   The dust collector according to claim 9, wherein a plurality of the rotating members are provided, and at least rotation of the rotating member on the handle side in a direction perpendicular to the axis is restricted.   The dust collector according to claim 9 or 10, wherein the rotating member on the side opposite to the handle is rotatable in a direction perpendicular to the axis.   The dust collector according to claim 1, wherein the switch panel and the remote control receiver are provided on the side opposite to the handle.

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