JP2015202332A - hand-held cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To favorably supply power to both a driving motor for rotating a suction fan and a compact motor of a nozzle device by electric power supplied from one mounted rechargeable battery.SOLUTION: A nozzle device 50 which internally includes a nozzle driving motor 61 is mounted on a connecting part 43. The nozzle driving motor 61 is driven to rotate by power supplied from a rechargeable battery. A cleaner body 11 is equipped with a control board 36 having a step-down circuit 37. The control board 36 is arranged in a flow passage where exhaust air (suction air) flows. The step-down circuit 37 converts to lower a voltage of power supplied from the rechargeable battery so that the power can be supplied to the nozzle driving motor 61 internally included in the nozzle device 50. Basically, power can be supplied to the nozzle driving motor 61 internally included in the nozzle device 50 from the rechargeable battery for supplying power to a body driving motor 32 for rotating a suction fan by lowering the voltage.

Description

  The present invention relates to a hand-held cleaner in which a rechargeable battery is used as a power source. Specifically, the present invention relates to a hand-held cleaner in which a nozzle device is attached to a suction portion.

  Conventionally, what is called a handy cleaner is known as a hand-held cleaner used for cleaning a vehicle interior or a living room (see, for example, Patent Document 1). This type of handy cleaner includes a drive motor and a suction fan, and uses a rechargeable battery as a power source. The drive motor rotates the suction fan to generate suction air, sucks dust from the nozzle, and accumulates dust in the dust collecting housing. In addition, this type of handy cleaner is equipped with a rechargeable battery generally called a battery pack. Such a rechargeable battery is charged by a dedicated charger and is detachable from the cleaner body of the handy cleaner.

  This type of handy cleaner may be equipped with a nozzle device commonly referred to as a power nozzle. Such a nozzle device is attached to the suction port, and generally includes a small motor and a roller body. The small motor is provided separately from the drive motor that rotates the suction fan and generates a rotational driving force. The roller body is formed by a rotating brush. These small motors and roller bodies are accommodated in a nozzle housing. In the small motor of this nozzle device, the drive output is set smaller than the drive motor of the cleaner body. It should be noted that this small motor should be supplied with power from a rechargeable battery that supplies power to a drive motor that rotates the suction fan from the viewpoint of weight reduction and the like.

JP 2010-220632 A

  By the way, in the cleaner body described above, it is desired to mount a rechargeable battery having a plurality of types of voltages such as 7.2 volts, 10.8 volts, 14.4 volts, and 18 volts. However, if such rechargeable batteries having a plurality of types of voltages can be mounted, the above-mentioned small motor is likely to be heated, and the product life may be shortened.

  The present invention has been made in view of such circumstances, and the problem to be solved by the present invention is to mount a rechargeable battery of a plurality of types of voltages as a power source in a hand-held cleaner to which a nozzle device is attached. It is possible to preferably supply power to both the drive motor that rotates the suction fan and the small motor of the nozzle device with the electric power supplied from one mounted rechargeable battery.

  In order to solve the above-described problems, the handheld cleaner according to the present invention takes the following means. A first aspect of the present invention is a hand-held cleaner in which a rechargeable battery is attached to a cleaner body as a power source, wherein a nozzle device having a nozzle drive motor is attached to a suction portion. The cleaner main body is provided with a voltage conversion unit that converts the voltage of the power supplied from the rechargeable battery so as to supply power to the nozzle drive motor built in the nozzle device.

  According to the first aspect of the present invention, the voltage conversion unit provided in the cleaner body can convert the voltage of the power supplied from the rechargeable battery and supply power to the nozzle drive motor built in the nozzle device. That is, the voltage is converted from the rechargeable battery that supplies power to the main body drive motor that rotates the suction fan, and power is supplied to the nozzle drive motor built in the nozzle device. Thereby, for example, low voltage power can be supplied to a nozzle drive motor constituted by a small motor, and the life of the nozzle drive motor as a product can be extended. Therefore, even when a rechargeable battery having a plurality of types of voltages is mounted on the cleaner body, it is possible to supply electric power with a preferable voltage to the nozzle drive motor, and the cleaner fan is usually built to rotate the suction fan. Power can be preferably supplied to both the main body drive motor of the size and the small size nozzle drive motor that is built in the nozzle device and rotates the rotating brush.

  According to a second aspect of the present invention, in the handheld cleaner according to the first aspect of the present invention, a main body drive motor that rotates the motor shaft by supplying electric power to the cleaner body from the rechargeable battery, and the motor A suction fan attached to a shaft and generating suction air, wherein the voltage conversion unit is disposed in a flow path through which the suction air flows. According to the second aspect of the invention, since the voltage conversion unit is arranged in the flow path through which the suction air flows, the suction air can be applied to the voltage conversion unit to be cooled. As a result, the heat generated by the voltage conversion unit can be removed, and the voltage conversion unit can be maintained in a preferable state.

  According to a third aspect of the present invention, in the handheld cleaner according to the first or second aspect of the invention, various wirings are provided to the cleaner body to supply power from the rechargeable battery to the body drive motor. Is provided, and the voltage converter is provided on the control board. According to the third aspect of the invention, since the voltage conversion unit is provided on the control board on which various wirings are aggregated, it is not necessary to provide the voltage conversion unit separately from the control board. That is, the voltage conversion unit can be arranged in a compact manner, and the size of the entire handy cleaner can be reduced.

  According to a fourth aspect of the present invention, in a hand-held cleaner having a nozzle drive motor and a main body drive motor for rotating a suction fan, power is supplied to both the nozzle drive motor and the main body drive motor by a battery for an electric tool. It is characterized by that. According to the fourth aspect of the invention, since both the nozzle drive motor and the main body drive motor can be supplied with power by a widely used battery for an electric tool, the original operation purpose of the cleaner can be enhanced, and the power source of the cleaner can be Convenience for securing can also be improved.

It is a perspective view which shows the whole external appearance of a handy cleaner. It is the side view which looked at the handy cleaner shown in FIG. It is sectional drawing of the handy cleaner which shows the (III)-(III) sectional arrow of FIG. It is sectional drawing of the handy cleaner which shows the (IV)-(IV) section arrow of FIG. It is the top view which looked at the handy cleaner shown in FIG. 1 by the upper surface. FIG. 3 is a circuit diagram schematically showing an example of a step-down circuit. It is a circuit diagram which shows the example of a whole circuit typically.

Next, an embodiment according to the present invention will be described with reference to FIGS. Reference numeral 10 shown in FIG. 1 is a handy cleaner corresponding to the hand-held cleaner according to the present invention. That is, in the perspective view of FIG. 1, the whole external appearance of the handy cleaner 10 is shown. In the side view of FIG.
The handy cleaner 10 shown in FIG. 1 is viewed from the side. In the cross-sectional view of FIG. 3, the handy cleaner 10 as viewed in the direction of arrows (III)-(III) in FIG. 1 is shown. The cross-sectional view of FIG. 4 shows the handy cleaner 10 as viewed in the direction of arrows (IV)-(IV) in FIG. 5 is a top view of the handy cleaner 10 shown in FIG. In the following description, the handy cleaner 10 will be described using the directions described in the drawings. The handy cleaner 10 is for the user to clean while holding it by hand. A rechargeable battery 70 can be attached to and detached from the handy cleaner 10 as a power source.

  The rechargeable battery 70 is removed from the cleaner body 11 when the remaining charge amount is low, charged by a dedicated charger, and attached to the cleaner body 11 again. The handy cleaner 10 generally includes a cleaner body 11, a nozzle device 50, and a rechargeable battery 70. The rechargeable battery 70 is widely used as a power source for electric tools, and is a rechargeable battery that can be attached to and detached from the tool body. The cleaner body 11 generally includes an exterior housing 21 and a suction air generating mechanism 31. The exterior housing 21 is formed by combining the half housing products molded of resin with each other. The exterior housing 21 also has a structure as the handy cleaner 10 while incorporating a suction air generating mechanism 31 described later.

  The exterior housing 21 includes a dust collection part 22, an apparatus support part 24, a handle part 25, and a battery mounting part 26 from the front side. The dust collector 22 has a housing structure that can store dust. The dust collection part 22 is formed by providing a partition part 221 on the inner side of the exterior housing 21. A suction port 223 is provided on the front side of the partition part 221. The suction port 223 is set as a communication opening that communicates between the outside and the inside in order to suck outside air from the outside to the inside. The suction of the outside air is performed by a suction wind generation mechanism 31 described later. The dust collecting unit 22 is provided with a filter function for collecting dust mixed in the sucked outside air. For this reason, the outside air sucked from the suction port 223 stores the mixed dust in the dust collecting unit 22, and then is exhausted to the outside through the suction air generation mechanism 31 to the outside.

  In addition, an appropriate dust bag may be attached to the space range of the dust collection part 22 formed in this partition part 221. When the dust bag is attached in this manner, the dust bag itself is provided with the above-described filter function so as to collect dust mixed in the sucked outside air. An opening / closing cover 225 that opens and closes the dust collecting portion 22 is provided above the partition portion 221. The opening / closing cover 225 is opened and closed so that dust accumulated in the dust collecting unit 22 including the dust bag can be taken out as dust. A push button 227 for opening the opening / closing cover 225 is provided on the front side of the opening / closing cover 225. When the push button 227 is pressed, an appropriate lock is released and the open / close cover 225 is automatically opened by an appropriate spring bias.

  The suction port 223 at the front end of the dust collecting portion 22 is provided with a connecting portion 23 to which the extension pipe body 40 can be attached. The connecting portion 23 is set as a front end portion of the suction port 223 of the cleaner body 11. The connecting portion 23 is set as a portion for connecting and holding the connected portion 41 of the extension pipe body 40 described later. The connecting portion 23 generally includes a support pipe portion 233, a locking hook portion 235, and a release button 237. The support pipe part 233 is formed in a hollow pipe shape. The support pipe portion 233 is formed so as to extend from the front end of the suction port 223 to the front side. A locking hook portion 235 formed integrally with the release button 237 is attached to the front end of the support pipe portion 233.

  The locking hook portion 235 has a hook shape that is locked to a recessed groove portion 42 provided in the connected portion 41 of the extension pipe body 40. The locking hook portion 235 is constantly biased in the hook locking direction by an appropriate biasing spring. As a result, when the connected portion 41 is located at a position where it is connected to the connecting portion 23, the locking hook portion 235 is locked to the concave groove portion 42 provided in the connected portion 41. On the other hand, the release button 237 is for releasing the locking of the concave groove portion 42 of the locking hook portion 235. Specifically, when the release button 237 is pressed, the locking hook portion 235 that has been locked to the concave groove portion 42 is moved so as to be released from the concave groove portion 42. Thereby, the connection with respect to the connection part 23 of the to-be-connected part 41 connected until then can be cancelled | released, and it can isolate | separate each other.

  The apparatus support part 24 has an internal partition structure for supporting a suction wind generating mechanism 31 described later. Exhaust ports 28 communicating with the outside are provided on the left and right sides of the rear portion of the device support 24. The exhaust port 28 allows the outside air sucked by the suction air generating mechanism 31 as described above to be exhausted from the inside of the exterior housing 21 to the outside. The exhaust port 28 is formed by arranging a plurality of slits extending in the front-rear direction with respect to the exterior housing 21. The handle portion 25 has a ring shape (loop shape) extending in the front-rear direction. An operation unit 251 is provided on the upper portion of the handle unit 25. The operation unit 251 includes an off button 253 and an on button 254. The operation unit 251 including the off button 253 and the on button 254 is set so that an operation input can be performed while the handle unit 25 is held.

  The off button 253 and the on button 254 are configured by electrical contact switches that are operated and input when pressed. The off button 253 and the on button 254 are electrically connected to a control board 36 described later. Therefore, operation inputs to the off button 253 and the on button 254 are transmitted to the control board 36. When the off button 253 is pressed, an off control signal is transmitted to the control board 36 so as to turn off suction as a cleaner. Upon receiving the off control signal, the control board 36 stops supplying power to the main body drive motor 32. When pressed, the on button 254 transmits an on control signal to the control board 36 so as to turn on suction as a cleaner. Upon receiving the ON control signal, the control board 36 supplies power to the main body drive motor 32. The on control signal includes a control signal for switching the degree of strength of the suction force as the cleaner. That is, the control board 36 changes the amount of power per unit time supplied to the main body drive motor 32 according to the number of times the on button 254 is pressed. For this reason, the magnitude of the suction force, which is the strength of the suction air, is determined by determining the rotational speed of the main body drive motor 32. That is, the ON button 254 also has a function as a suction power strength switching button.

  A notification lamp 255 is provided on the front side of the operation unit 251. The notification lamp 255 is constituted by an LED (light emitting diode) lamp and is electrically connected to a control board 36 described later. The notification lamp 255 is lit or blinks based on the control power from the control board 36. The control board 36 sends control power for lighting or blinking the notification lamp 255 based on the remaining charge of the rechargeable battery 70. Further, an illumination lamp 257 is provided in front of the notification lamp 255. The illumination lamp 257 is also composed of an LED lamp and is electrically connected to the control board 36. The illumination lamp 257 is also turned on based on the control power from the control board 36. The control board 36 sends control power for lighting the illumination lamp 257 based on the supply of power to the main body drive motor 32. An anti-slip elastomer 259 is attached to the outer peripheral surface of the handle portion 25, and a strap 263 for hooking it when not in use is attached to the rear portion of the handle portion 25.

  A battery mounting portion 26 is provided below the handle portion 25. A rechargeable battery 70 is mounted on the battery mounting portion 26. The rechargeable battery 70 is mounted on the battery mounting portion 26 by moving the rechargeable battery 70 relative to the battery mounting portion 26 from the rear side toward the front side. Conversely, removal of the rechargeable battery 70 from the battery mounting portion 26 is performed by moving the rechargeable battery 70 relative to the battery mounting portion 26 from the front side toward the rear side. The rechargeable battery 70 in the illustrated example is a so-called slide-mounted rechargeable battery, and the voltage of the supplied power is set to 14.4 volts. For this reason, the battery mounting part 26 of the example of illustration is comprised by the slide mounting format corresponding to this rechargeable battery.

  Specifically, the battery mounting portion 26 is provided with a slide rail 261 that guides the slide mounting of the rechargeable battery 70. In the rechargeable battery and the battery mounting portion according to the present invention, an appropriate configuration can be selected without being limited to the rechargeable battery 70 and the battery mounting portion 26 of the illustrated example. In other words, the rechargeable battery according to the present invention may be configured in a plug-in mounting type in which the voltage is set to 7.2 volts or 10.8 volts, and the voltage is 18 volts. It may be configured by a slide mounting format set to “1”.

  The suction air generation mechanism 31 generally includes a main body drive motor 32 and a suction fan 33. The main body drive motor 32 is composed of a widely used electric brush motor. The main body drive motor 32 is also electrically connected to a control board 36, which will be described later, and can supply power. The main body drive motor 32 supplied with electric power rotates the motor shaft 321. A suction fan 33 is attached to the motor shaft 321. The suction fan 33 is a widely used centrifugal fan. An airflow guide member 34 is disposed on the front side of the suction fan 33.

  The suction fan 33 rotates about the motor shaft 321 as a rotation shaft. The rotated suction fan 33 sucks air in the axial direction of the motor shaft 321 by the airflow guide member 34 and exhausts it in the centrifugal direction. In this way, the inside of the exterior housing 21 acts to blow air from the front side to the rear side. This air blowing action sucks outside air from the suction port 223, vents the inside of the exterior housing 21, and exhausts it to the outside through the exhaust port 28. A filter member 35 is attached to the inner peripheral surface of the exhaust port 28 opened on both the left and right sides. The filter member 35 is provided over the opening range of the exhaust port 28 communicating with the outside.

  A space S for allowing exhaust air (suction air) to flow through the exhaust ports 28 is provided between the exhaust ports 28 on the rear side of the main body drive motor 32. This space S is set as a flow path through which suction air flows. A control board 36 that performs various controls is fixed to the exterior housing 21 that forms the space S. The control board 36 incorporates electrical material components in the same manner as a normal control board. The control board 36 mainly performs drive control of the main body drive motor 32. Specifically, the control board 36 is electrically connected to the battery mounting part 26, the operation part 251, and the main body drive motor 32 through a wiring member (not shown). As a result, the control board 36 receives operation input from the operation unit 251 (off button 253, on button 254) and supplies power supplied from the rechargeable battery 70 mounted on the battery mounting unit 26 to the main body drive motor 32. Supply.

  The control board 36 is electrically connected to the notification lamp 255 and the illumination lamp 257 via a wiring member (not shown). As a result, the control board 36 sends control power for turning on or blinking the notification lamp 255 based on the remaining charge amount of the rechargeable battery 70, or controls the lighting lamp 257 to turn on based on the operation input of the operation unit 251. Send power. That is, the control board 36 is electrically connected via a wiring member (not shown) so that such various wirings are collected.

  Next, the extension pipe body 40 connected to the connecting portion 23 will be described. The extension pipe body 40 is used for separating the distance between the cleaner body 11 and the nozzle device 50 so that the floor can be cleaned while standing on the handy cleaner 10. The extension pipe body 40 has a proximal end side connected to the cleaner body 11 and a distal end side connected to the nozzle device 50. That is, the extension pipe body 40 is formed in a long hollow pipe shape that can be sucked. The extension pipe body 40 is provided with a connected portion 41 on the proximal end side and a connecting portion 43 on the distal end side. The proximal-side connected portion 41 is set at a location where it is connected to the connecting portion 23 of the cleaner body 11 described above. The coupled portion 41 is provided with a concave groove portion 42 so as to be appropriately cut into a groove shape. The locking groove portion 235 of the connecting portion 23 described above can be locked in the concave groove portion 42. In contrast, the connecting portion 43 on the distal end side is formed substantially the same as the connecting portion 23 provided in the suction port 223 of the cleaner body 11 described above.

  The connection part 43 of the extension pipe body 40 is set so that the connection part 51 of the nozzle device 50 described below can be connected. That is, the connecting portion 43 of the extension pipe body 40 also roughly includes a support pipe portion 433, a locking hook portion 435, and a release button 437. The support pipe portion 433 is formed in a hollow pipe shape. A locking hook portion 435 formed integrally with the release button 437 is attached to the front end of the support pipe portion 433. The locking hook portion 435 has a hook shape that is locked to the recessed groove portion 52 provided in the connected portion 51 of the nozzle device 50. The locking hook portion 435 is constantly biased in the hook locking direction by an appropriate biasing spring. Thereby, when the connected portion 51 is located at a position where it is connected to the connecting portion 43, the locking hook portion 435 is locked to the concave groove portion 52 provided in the connected portion 51.

  On the other hand, the release button 437 is for releasing the locking of the recessed groove portion 52 of the locking hook portion 435. Specifically, when the release button 437 is pressed, the locking hook portion 435 that has been locked to the concave groove portion 52 is moved so as to be released from the concave groove portion 52. Thereby, the connection with respect to the connection part 23 of the to-be-connected part 51 connected until then can be cancelled | released, and it can isolate | separate each other.

  Next, the nozzle device 50 will be described. The nozzle device 50 is a floor suction device constituting a floor suction port that is widely used. The nozzle device 50 is configured in the same manner as a widely used power nozzle (common name). The nozzle device 50 is formed in a substantially T-shape in appearance. The nozzle device 50 generally includes a coupled portion 51 and a device main body 53. The connected portion 51 is formed substantially the same as the connected portion 41 provided on the base end side of the extension pipe body 40 described above. The connected portion 51 of the nozzle device 50 is set at a location connected to the connecting portion 43 of the extension pipe body 40 described above. The coupled portion 51 is provided with a concave groove portion 52 so as to be appropriately cut into a groove shape. The locking hook portion 435 of the connecting portion 43 described above can be locked to the concave groove portion 52.

  In addition, since the to-be-connected part 51 of this nozzle apparatus 50 is formed substantially the same as the to-be-connected part 41 of the above-mentioned extension pipe body 40, the extension pipe body 40 is connected with respect to the above-mentioned connection part 23 of the cleaner main body 11. It is also possible to connect directly without intervening. An apparatus main body 53 is connected to the front side of the connected portion 51 formed in this way. Further, the nozzle device 50 has a movable joint structure in which the coupled portion 51 and the device main body 53 are relatively movable in the same manner as a normal cleaner. Here, since the wiring member 38 is configured to move the device main body 53 relatively (for example, in the vertical direction) with respect to the connected portion 51, the wiring member 38 uses a thin multi-core lead wire with high bending performance. . As this thin multi-core lead wire, 38 strands having a diameter of 0.05 mm are twisted to form a stranded wire, and further, 7 strands are twisted to form one lead wire. Further, silicon is used as a material for covering the lead wires. In this way, consideration is given to suppressing disconnection of the lead wires by correspondingly allowing the apparatus main body 53 to move relative to the connected portion 51.

  The apparatus main body 53 generally includes a suction housing 54, a nozzle drive motor 61, a rotating brush body 65, and an operation switch 67. The suction housing 54 is set to have a long left and right width as in the case of a widely used floor suction device, so that efficient suction is possible. The inside of the suction housing 54 communicates with the hollow interior of the above-described coupled portion 51 and also communicates with the suction opening 56 that opens to the outside. For this reason, the suction opening 56 capable of sucking from the outside is connected to the hollow inside of the connected portion 51 through the inside of the suction housing 54. Inside the suction housing 54, a nozzle drive motor 61 and a rotating brush body 65 are provided in the same manner as a normal power nozzle.

  The nozzle drive motor 61 is configured by a small brush motor, similar to the drive motor built in a normal power nozzle. The nozzle drive motor 61 is preferably supplied with 6 volt power from the viewpoint of motor life. The nozzle drive motor 61 supplied with electric power rotates a motor shaft (not shown). The rotating brush body 65 is also in the form of a brush, in which, as with the rotating brush body incorporated in a normal power nozzle, an appropriate flocking 652 is made on a rotatable base body 651. The base body 651 that forms the rotation axis of the rotary brush body 65 is engaged with and interlocked with the motor shaft 62 of the nozzle drive motor 61 via an appropriate gear. In rotating the base body 651 of the rotating brush body 65, it may be linked with an endless belt straddling both the motor shaft 62 and the base body 651 instead of such appropriate gear engagement. Thereby, the rotating brush body 65 rotates in response to the rotational drive generated by the nozzle drive motor 61. The operation switch 67 is provided for the nozzle wiring member 383 (wiring member 38) described below.

  Incidentally, the control board 36 has wiring for supplying power to the nozzle drive motor 61 described above. That is, the control board 36 is provided with a step-down circuit 37. The step-down circuit 37 corresponds to a voltage conversion unit according to the present invention. The step-down circuit 37 converts the voltage of the power supplied from the rechargeable battery 70 so as to decrease the voltage so that power can be supplied to the nozzle drive motor 61 built in the nozzle device 50. The circuit diagram of FIG. 6 schematically shows an example of the step-down circuit 37. Further, the circuit diagram of FIG. 7 schematically shows an example of the entire handy cleaner 10 circuit. That is, the step-down circuit 37 is configured following the example of FIG. Further, the nozzle drive motor 61 of the nozzle device 50 is configured following the example of FIG. For this reason, a wiring member 38 for electrically connecting to the nozzle drive motor 61 of the nozzle device 50 is extended on the control board 36. That is, the wiring member 38 includes a main body wiring member 381 wired inside the cleaner body 11, an extended wiring member 382 wired in the extension pipe body 40, and a nozzle wiring member 383 wired in the nozzle device 50. . In addition, as the step-down circuit 37, the amount of heat generation can be suppressed by using a DC-DC converter as compared with other types of step-down circuits.

  In addition, between these wiring members 381, 382, 383, while connecting each other's wiring members 381, 382, 383, it connects by the connection terminal 39 provided in a mutual edge part. That is, between the connecting portion 23 and the connected portion 41, the connection terminal 391 of the connecting portion 23 is coupled to the connecting terminal 392 of the connected portion 41. Further, between the connecting portion 43 and the connected portion 51, the connection terminal 393 of the connecting portion 43 is coupled to the connecting terminal 394 of the connected portion 51. The operation switch 67 is provided between the nozzle wiring members 383. The operation switch 67 is used to turn on / off the power supply to the nozzle drive motor 61. For this reason, the operation switch 67 maintains the electrical connection state of the nozzle wiring member 383 or disconnects the electrical connection state of the nozzle wiring member 383.

  According to the handy cleaner 10 of the above-described embodiment, the following operational effects can be achieved. In other words, according to the handy cleaner 10, the step-down circuit 37 provided in the cleaner body 11 converts the voltage of the power supplied from the rechargeable battery 70 so as to decrease the voltage, so that the nozzle drive motor 61 built in the nozzle device 50 can be used. Power can be supplied. That is, the voltage is lowered from the rechargeable battery 70 that supplies power to the main body drive motor 32 that rotates the suction fan 33, and power is supplied to the nozzle drive motor 61 built in the nozzle device 50. As a result, low voltage power can be supplied to the nozzle drive motor 61 constituted by a small motor, and the life of the nozzle drive motor 61 as a product can be extended. Therefore, even when a rechargeable battery having a plurality of types of voltages is attached to the cleaner body 11, it is possible to supply power with a preferable voltage to the nozzle drive motor 61.

  That is, as shown in FIG. 7, it is possible to preferably supply power from the rechargeable battery 70 to both the drive motors 32 and 61. More specifically, a main body drive motor 32 of a normal size that is housed in the cleaner body 11 and rotates the suction fan 33, and a small-sized nozzle drive that is housed in the nozzle device 50 and rotates the rotating brush body 65. Electric power can be preferably supplied to both the drive motor and the motor 61. Further, according to the handy cleaner 10 described above, the control board 36 including the step-down circuit 37 is disposed in the flow path through which the exhaust air (suction air) flows, so that the exhaust air (suction air) is applied to the step-down circuit 37. Can be cooled. As a result, the heat generated by the step-down circuit 37 can be removed, and the step-down circuit 37 can be maintained in a preferable state. Note that, similarly to the step-down circuit 37, the control board 36 can also remove the heat generated and maintain it in a preferable state. Further, according to the handy cleaner 10 described above, the step-down circuit 37 is provided on the control board 36 where various wirings are gathered, and therefore it is not necessary to provide the step-down circuit 37 separately from the control board 36. That is, the step-down circuit 37 can be arranged in a compact manner, and the handy cleaner 10 as a whole can be made compact. Further, according to the handy cleaner 10, a widely used battery for an electric tool is used as the rechargeable battery 70, and power can be supplied to both the nozzle drive motor 61 and the main body drive motor 32. Accordingly, the original purpose of operation of the cleaner can be enhanced, and convenience for securing the power source of the handy cleaner 10 can be enhanced.

  Note that the handheld cleaner according to the present invention is not limited to the above-described handy cleaner, and may include a configuration using a rechargeable battery as a power source, and the fine configuration can be changed as appropriate. It is said. For example, in the configuration of the nozzle device 50 and the configuration of the handy cleaner 10 itself, an appropriate configuration can be selected without being limited to the above-described embodiment. That is, in the handy cleaner 10 described above, the step-down circuit 37 is used as an example of the voltage conversion unit according to the present invention. However, the voltage conversion unit according to the present invention is not limited to such an example, and may be configured using, for example, a booster circuit. That is, the voltage conversion unit according to the present invention may be any circuit that converts the voltage of the power supplied from the rechargeable battery when supplying power to the nozzle drive motor, and may be either a step-down circuit or a step-up circuit. When the voltage converter is configured using the booster circuit as described above, the supply current to the nozzle drive motor 61 can be reduced. That is, it is possible to make the wiring member 38 thinner, and it is also possible to reduce electrical losses in various places by reducing the supply current.

10 Handy cleaner (hand-held cleaner)
DESCRIPTION OF SYMBOLS 11 Cleaner main body 21 Exterior housing 22 Dust collection part 221 Partition part 223 Suction port 225 Opening / closing cover 227 Push button 23 Connection part (suction part)
233 Support pipe portion 235 Locking hook portion 237 Release button 24 Device support portion 25 Handle portion 251 Operation portion 253 Off button 254 On button 255 Notification lamp 257 Illumination lamp 259 Elastomer 26 Battery mounting portion 261 Slide rail 263 Strap 28 Exhaust port 31 Suction wind generating mechanism 32 Main body drive motor 321 Motor shaft 33 Suction fan 34 Airflow guide member 35 Filter member 36 Control board 37 Step-down circuit (voltage converter)
38 Wiring member 381 Main body wiring member 382 Extension wiring member 383 Nozzle wiring member 39 Connection terminal 40 Extension pipe body 41 Connected portion 42 Concave groove portion 43 Connection portion 433 Support pipe portion 435 Locking hook portion 437 Release button 50 Nozzle device 51 Connected Portion 52 Groove portion 53 Device body 54 Suction housing 56 Suction opening 61 Nozzle drive motor 62 Motor shaft 65 Rotating brush body 651 Base 652 Flocking 67 Operation switch 70 Rechargeable battery S Space

Claims (4)

A hand-held cleaner in which a rechargeable battery is attached to the cleaner body as a power source,
A nozzle device with an internal nozzle drive motor can be attached to the suction part.
The cleaner body is provided with a voltage conversion unit that converts the voltage of the power supplied from the rechargeable battery so as to supply power to the nozzle drive motor built in the nozzle device. Handheld cleaner. The hand-held cleaner according to claim 1,
The cleaner body includes a main body drive motor that is powered by the rechargeable battery to rotate the motor shaft, and a suction fan that is attached to the motor shaft and generates suction air.
The hand-held cleaner, wherein the voltage converter is disposed in a flow path through which the suction air flows. The hand-held cleaner according to claim 1 or 2,
The cleaner body is provided with a control board on which various wirings are aggregated to supply power from the rechargeable battery to the body drive motor.
The hand-held cleaner, wherein the voltage converter is provided on the control board. In a hand-held cleaner having a nozzle drive motor and a main body drive motor for rotating a suction fan,
A hand-held cleaner characterized in that power is supplied to both the nozzle drive motor and the main body drive motor by a battery for an electric tool.

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