JP2021194318A - Extension pipe of vacuum cleaner and vacuum cleaner unit - Google Patents

Abstract

To provide an extension pipe of a vacuum cleaner and vacuum cleaner unit including the same for enabling power feeding from a position separated from a cleaner body.SOLUTION: An extension pipe 30 is the pipe where a suction tool having a suction port to suck dust is connected to one end side in a pipe axial direction and where a cleaner body is connected to the other end side in the pipe axial direction. The extension pipe 30 includes power reception portions for feeding power by receiving power to be fed to a battery arranged on a cleaner body side. In the extension pipe 30, the power reception portions include: power-reception-side first energization portions 42 for feeding power to the battery arranged on a cleaner body side at the other end side in the pipe axial direction; second energization portions arranged to be closer to one side than to the other side in the pipe axial direction; and power reception lines 46 for electrically connecting the first energization portions 42 to the second energization portions.SELECTED DRAWING: Figure 7

Description

The present invention relates to an extension pipe of a vacuum cleaner and a vacuum cleaner unit.

Conventionally, a vacuum cleaner system such as that disclosed in Patent Document 1 below has been provided. The vacuum cleaner system is supposed to include a vacuum cleaner and a support device for supporting the vacuum cleaner. Further, the vacuum cleaner provided in this vacuum cleaner system includes a main body having a handle, a suction tool for sucking dust, a tube body connecting the main body and the suction tool, and the support device is a support body. It is supposed to be equipped with. This vacuum cleaner system is configured such that the front side of the suction tool is arranged at a position closer to the support than the rear side in a state where the vacuum cleaner is supported by the support device.

Japanese Unexamined Patent Publication No. 2019-162232

Here, like the vacuum cleaner of Patent Document 1, the battery provided in the vacuum cleaner body can be charged by connecting to the power source via the energizing terminal such as the energizing terminal or the jack provided in the vacuum cleaner body. Is provided. However, with such a configuration, static electricity may be generated by providing a current-carrying part on the vacuum cleaner body that is easy for the user to grasp or touch, and consideration may be given to the arrangement of the current-carrying part and other members. , There is a problem that static electricity measures must be taken separately (hereinafter referred to as "first problem" for convenience).

On the other hand, the vacuum cleaner system of Patent Document 1 is configured to charge the vacuum cleaner by a support device for supporting the vacuum cleaner. Since the vacuum cleaner body is provided with a connection terminal, the support device must be designed according to the height of the power supply terminal for connecting to the connection terminal according to the height at which the connection terminal is located. As described above, when the vacuum cleaner is charged by using the support device, there is a problem that the support device becomes large (hereinafter, referred to as "second problem" for convenience).

Therefore, an object of the present invention is to provide an extension pipe of an electric vacuum cleaner so that power can be supplied from a position different from the main body of the vacuum cleaner. Another object of the present invention is to provide a vacuum cleaner unit capable of downsizing the charging stand.

The extension pipe of the vacuum cleaner according to the embodiment of the present invention provided to solve the first problem described above is connected to a suction tool having a suction port for sucking dust on one end side in the pipe axis direction, and the pipe shaft. An extension tube of an electric vacuum cleaner for connecting the vacuum cleaner body to the other end side in the direction, and having a power receiving unit for receiving and supplying electric power for supplying power to the battery provided on the vacuum cleaner body side. A first energizing portion connected to the vacuum cleaner main body on the other end side in the pipe axial direction, and a second energizing portion provided on one end side in the pipe axial direction of the first energizing portion. , A receiving electric wire for electrically connecting the first energized portion and the second energized portion.

The extension pipe of the vacuum cleaner according to the embodiment of the present invention includes a power receiving unit that receives and supplies electric power for supplying electric power to the battery provided on the vacuum cleaner main body side. Further, in the extension pipe of the electric vacuum cleaner according to the embodiment of the present invention, the first energizing portion is connected to the vacuum cleaner main body on the other end side in the pipe axial direction, and the second energizing portion is located on one end side in the pipe axial direction with respect to the first energizing portion. An energizing unit is provided so that power can be supplied to the battery via the receiving wire. Therefore, according to the extension pipe of the vacuum cleaner according to the embodiment of the present invention, power can be supplied to the battery from the second energizing unit located at a position different from the vacuum cleaner main body.

Further, the vacuum cleaner unit according to the embodiment of the present invention includes a vacuum cleaner main body having a battery, a suction tool having a suction port for sucking dust, an extension tube described above, a third energizing unit, and the battery. A charging stand having a charging mechanism for charging is provided, and the charging stand supports a mounting portion for mounting the suction tool and the extension tube, and a support column that engages with the extension tube. The charging mechanism is provided with a portion, and the support portion supports the extension tube, and in a state of engaging with the extension tube, the third energizing portion and the second energizing portion are electrically connected to each other. It is characterized in that the battery can be charged by supplying power from the third energizing unit to the second energizing unit.

Further, the vacuum cleaner unit according to the embodiment of the present invention is provided to solve a second problem different from the first problem as a main problem. That is, in the vacuum cleaner system of Patent Document 1, since the vacuum cleaner main body is provided with a connection terminal, the charging stand is set according to the height of the power supply terminal for connecting to the connection terminal according to the height at which the connection terminal is located. Must be designed. As a result, there is a problem that the charging stand becomes large.

The electric vacuum cleaner unit according to the embodiment of the present invention provided to solve such a second problem includes a vacuum cleaner main body having a battery, a suction tool having a suction port for sucking dust, and an extension described above. A tube, a third energizing section, and a charging stand having a charging mechanism for charging the battery are provided, and the charging stand supports a mounting section for mounting the suction tool and the extension tube. In addition, it has a strut portion that engages with the extension pipe, and the strut portion supports the extension pipe and engages with the extension pipe, and the third energizing portion and the second energizing portion. The battery can be charged by electrically connecting the battery to and from the charging mechanism by supplying power from the third energizing unit to the second energizing unit.

In this way, by supporting and engaging the extension tube with the support column of the charging stand, the second energizing part in the extension tube and the third energizing part of the charging stand are electrically connected by the charging mechanism. It can be powered to charge the battery. Therefore, in the electric vacuum cleaner unit according to the embodiment of the present invention, the third energizing unit can be provided on the charging stand in accordance with the second energizing unit provided at a position lower than the vacuum cleaner main body. This makes it possible to make the charging stand compact.

According to the present invention, it is possible to provide an extension tube of an electric vacuum cleaner for enabling power supply from a position different from the vacuum cleaner main body. Further, according to the present invention, it is possible to provide a vacuum cleaner unit capable of downsizing the charging stand.

It is a side view of the vacuum cleaner which concerns on one Embodiment of this invention. It is a perspective view which showed the suction tool provided with the vacuum cleaner of FIG. 1 in the state which the top surface side of the case body was removed. It is a perspective view which shows the charging stand provided in the vacuum cleaner of FIG. It is a perspective view which shows the extension tube provided in the vacuum cleaner of FIG. FIG. 3 is an enlarged perspective view of the other end side of the extension pipe provided in the vacuum cleaner of FIG. 1 in the pipe axial direction. It is a perspective view which enlarged the one end side in the pipe axis direction while removing the front side cover part of the extension pipe provided in the vacuum cleaner of FIG. It is a front view which shows the state which the front side cover part of the extension pipe provided in the vacuum cleaner of FIG. 1 is removed. FIG. 3 is an enlarged perspective view of one end side of an extension pipe provided in the vacuum cleaner of FIG. 1 in the pipe axial direction. FIG. 3 is a cross-sectional view taken in the vicinity of the cross-sectional wiring portion of the extension pipe provided in the vacuum cleaner of FIG. It is a perspective view which shows the state which the extension tube provided with the vacuum cleaner of FIG. 1 was seen from the one end side in the pipe axis direction. It is a rear view which shows the vicinity of the arrangement part on the one end side in the pipe axis direction of the extension pipe provided in the vacuum cleaner of FIG. It is a perspective view which shows the power receiving part and the feeding part provided in the extension pipe provided in the vacuum cleaner of FIG. FIG. 3 is an enlarged perspective view of a support column of a charging stand included in the vacuum cleaner of FIG. 1. FIG. 3 is a plan view of the support column of the charging stand included in the vacuum cleaner of FIG. 1 in an enlarged view. It is explanatory drawing which schematically showed the structure of the extension tube provided with the 2nd energizing part which concerns on the modification, and the charging stand provided with the 3rd energizing part which concerns on a modification.

Hereinafter, the vacuum cleaner unit 1 according to the embodiment of the present invention will be described in detail with reference to the drawings. In the following description, the overall configuration of the vacuum cleaner unit 1 will be outlined, and then the main parts will be described in more detail. In the following description, unless otherwise specified, the positional relationship in the vertical direction, the width direction, etc. will be described with reference to the state in which the vacuum cleaner unit 1 is erected as shown in FIG.

<< About the overall configuration of the vacuum cleaner unit 1 >>
As shown in FIG. 1, the vacuum cleaner unit 1 is a vacuum cleaner having a stick-shaped (vertical) appearance. The vacuum cleaner unit 1 may be, for example, a rechargeable one or one that obtains electric power from an external power source via a power cord. The vacuum cleaner unit 1 includes a vacuum cleaner main body 10, a dust collector 20 (dust collector), an extension pipe 30 (tube), a suction tool 70, and a charging stand 90.

The vacuum cleaner main body 10 is a part that forms the main body of the electric vacuum cleaner unit 1 and exerts a suction force to collect dust. Specifically, the vacuum cleaner main body 10 is a drive circuit for driving an electric blower 14 for sucking air to generate an air flow, a drive circuit for driving other electronic parts, and other parts inside the main body case 12 forming a housing. Etc. are provided.

Further, the vacuum cleaner main body 10 includes a grip portion 16. The grip portion 16 is a portion provided for the user of the vacuum cleaner unit 1 to grip the vacuum cleaner main body 10. That is, the vacuum cleaner unit 1 is configured so that the vacuum cleaner main body 10 can be gripped by, for example, the user passing a finger other than the thumb through the opening portion formed by the grip portion 16. More specifically, a battery portion 17 in which the battery 17a is arranged is provided on one end side of the vacuum cleaner main body 10, and one end of the grip portion 16 is connected to the battery portion 17 and extends so as to be separated from the battery portion 17. Then, the other end of the grip portion 16 is connected to the front side of the electric blower 14.

The dust collecting unit 20 is a portion where dust sucked by the vacuum cleaner unit 1 is collected. The dust collecting unit 20 may be of a cyclone type or a paper pack (bag) type. The dust collecting unit 20 is provided so as to be continuous with the vacuum cleaner main body 10. An extension pipe 30 or a suction tool 70 can be connected to the lower end side along the dust collector 20.

The extension pipe 30 is a tubular member that detachably connects the vacuum cleaner main body 10 and the suction tool 70. The extension pipe 30 has a shape in which one end side can be inserted into the pipe connection portion 22 and the other end has a shape in which the extension pipe 30 can be connected to the suction tool 70. By connecting the vacuum cleaner main body 10 and the suction tool 70 via the extension pipe 30, a series of communication paths (air passages) from the suction tool 70 to the vacuum cleaner main body 10 can be formed. Since the extension pipe 30 is a characteristic part of the vacuum cleaner unit 1, the configuration of each part will be described in detail later.

As shown in FIG. 2, the suction tool 70 includes a case body 72 and a joint portion 74. Further, the suction tool 70 has a suction port 73 at the bottom of the case body 72, and has a member such as a rotary cleaning body 76, a rotating body driving device 77, and a cleaning body driving mechanism 78 inside the case body 72. .. The suction tool 70 can supply the electric power supplied from the battery 17a to the rotating body driving device 77 including a motor or the like via the suction tool connection terminals 75a and 75b to drive the suction tool 70. The power generated in the rotating body driving device 77 is transmitted to the rotating cleaning body 76 via the cleaning body driving mechanism 78. As a result, the rotary cleaning body 76 is rotationally driven. The case body 72 is a portion arranged on the floor during cleaning, and has a long shape in the left-right direction with respect to the front-rear direction, which is the direction operated by the user during cleaning. Inside the case body 72, a suction space for sucking air and dust from the outside is formed with the floor surface side as an open end. Further, the joint portion 74 is rotatably attached to the case body 72 within a predetermined rotation range (front-rear direction and left-right direction). The joint portion 74 is a portion to which the end portion of the extension pipe 30 described above is connected. The joint portion 74 has a cylindrical shape, and the internal space communicates with the suction space. The joint portion 74 is in a state of being fitted to the case body 72 side by being in an upright posture.

The charging stand 90 is capable of charging the battery 17a by mounting the vacuum cleaner main body 10 with the extension tube 30 and the suction tool 70 attached. The charging stand 90 has a mounting portion 94 on which the suction tool 70 is mounted, and a support column portion 96 that supports the extension tube 30. Since the charging stand 90 is a characteristic part of the vacuum cleaner unit 1, the configuration of each part will be described in detail later.

The vacuum cleaner unit 1 is generally configured as described above. The vacuum cleaner unit 1 is characterized by an extension pipe 30 and a charging stand 90. Hereinafter, the structure of each part of the vacuum cleaner unit 1 will be described in more detail.

≪About extension pipe 30≫
As described above, the extension pipe 30 is a pipe body for an electric vacuum cleaner for connecting the suction tool 70 to one end side in the pipe axial direction and connecting the vacuum cleaner main body 10 to the other end side in the pipe axial direction. The extension tube 30 has an overall image as shown in FIG. 4, and has a characteristic configuration in each part as shown in each of FIGS. 5 to 12. As shown in each of FIGS. 4 to 12, the extension tube 30 includes a tube portion 32, a cover portion 34, a power receiving portion 36 (see FIG. 12), a feeding portion 38 (see FIG. 12), and an arrangement portion 40. It is supposed to be prepared.

The pipe portion 32 is a pipe constituting an air passage from the suction tool 70 to the vacuum cleaner main body 10. The pipe portion 32 is composed of a hollow cylinder extending substantially linearly from one end side in the pipe axis direction (connection side with the suction tool 70) to the other end side in the pipe axis direction (connection side with the vacuum cleaner main body 10). ing. As shown in FIG. 6, the pipe portion 32 has a diameter-expanded portion 32a whose diameter is expanded via the step portion 32b on one end side in the pipe axial direction. As a result, the joint portion 74 of the suction tool 70 can be inserted into the enlarged diameter portion 32a.

As shown in FIGS. 4 and 5, the cover portion 34 has a front side cover portion 34a and a back side cover portion 34b. The front side cover portion 34a is attached to a portion of the pipe portion 32 that is on the front side in a state where the pipe portion 32 is connected to the vacuum cleaner main body 10. The front side cover portion 34a is attached from one end side in the pipe axis direction to the other end side in the pipe axis direction. The back side cover portion 34b is a portion of the pipe portion 32 that is on the back side when the pipe portion 32 is connected to the vacuum cleaner main body 10. The back side cover portion 34b is a portion of the extension pipe 30 on one end side (connecting side of the suction tool 70) in the pipe axis direction. The back side cover portion 34b is a part (integral part) of the pipe portion 32 in the present embodiment, but is configured to be attached to the pipe portion 32 and integrated with the front side cover portion 34a. You may.

Further, the wiring portion 33 is formed between the outer peripheral surface of the pipe portion 32 and the inner peripheral surface of the cover portion 34. As shown in FIGS. 6 and 7, the wiring unit 33 is a space used for wiring the receiving electric wire 46 and the feeder line 56, which will be described in detail later. The wiring section 33 has a pipe axis direction routing section 33a and a crossing direction routing section 33b (communication section). The pipe axial direction wiring portion 33a is a space for arranging the receiving electric wire 46 and the feeder line 56 along the pipe axial direction of the pipe portion 32 between the pipe portion 32 and the front side cover portion 34a. Further, the crossing direction wiring portion 33b is a space communicating in a direction intersecting the pipe axis direction in order to arrange the receiving electric wire 46. The crossing direction wiring portion 33b may be formed by providing a through hole or a groove in at least one of the pipe portion 32 or the cover portion 34, but in the present embodiment, it is shown in FIGS. 6, 7, and 9. As described above, the space formed between the pipe portion 32 and the cover portion 34 at the position on the other end side in the pipe axial direction (vacuum cleaner main body 10 side) with respect to the portion of the pipe portion 32 where the step portion 32b is provided. Is the crossing direction wiring portion 33b. Further, the crossing direction wiring portion 33b is formed so as to be continuous or communicate with the pipe axis direction wiring portion 33a. Further, as shown in FIGS. 7 to 9, the back side cover portion 34b is provided with a crossing direction wiring portion 33b and a communication hole 33c. As a result, the receiving electric wire 46 can be routed from the front side to the back side (arranged portion 40 side) of the pipe portion 32. It can also be expressed that the communication hole 33c is provided at a position facing the disposition portion 40 described in detail in the back surface side cover portion 34b.

The power receiving unit 36 is provided to receive power supply for charging the battery 17a provided in the vacuum cleaner main body 10 described above. As shown in FIG. 12, the power receiving unit 36 has a first energizing unit 42, a second energizing unit 44, and a receiving electric wire 46.

As shown in FIGS. 5 and 7, the first energizing portion 42 is provided on the other end side (connecting side of the vacuum cleaner main body 10) of the extension pipe 30 in the pipe axis direction. The first energizing unit 42 has first terminals 42a and 42b. The first terminals 42a and 42b are held or covered between the pipe portion 32 and the front side cover portion 34a. The first terminals 42a and 42b are provided corresponding to connection terminals (not shown) electrically connected to the battery 17a on the vacuum cleaner main body 10 side. The first terminals 42a and 42b can be electrically connected to the connection terminal on the vacuum cleaner main body 10 side by connecting the extension pipe 30 to the vacuum cleaner main body 10. The first terminals 42a and 42b may be any as long as they can be electrically connected to the terminals on the vacuum cleaner main body 10 side. In this embodiment, male terminals are used as the first terminals 42a and 42b, and female terminals are used as the connection terminals on the vacuum cleaner main body 10 side.

As shown in FIGS. 8 and 11, the second energizing unit 44 is provided on one end side (connecting side of the suction tool 70) of the extension tube 30 in the pipe axis direction with respect to the first energizing unit 42. The second energizing unit 44 is connected to the third energizing unit 98 provided on the charging stand 90 side, which will be described in detail later. The second energizing unit 44 has second terminals 44a and 44b. The second terminals 44a and 44b are provided corresponding to the first terminals 42a and 42b, respectively. As shown in FIG. 8, the second terminals 44a and 44b are provided in the receiving electric wire 46 drawn out to the outside of the cover portion 34 through the communication hole 33c provided in the back side cover portion 34b. Further, as shown in FIGS. 8 and 11, the second terminals 44a and 44b are arranged inside the arrangement portion 40 described in detail later. The second terminals 44a and 44b may be any as long as they can be electrically connected to the terminals on the third energizing portion 98 side provided on the charging stand 90 side, which will be described in detail later. In the present embodiment, since the male terminal is used as the connection terminal on the charging stand 90 side, the female terminal is used for the second terminals 44a and 44b.

As shown in FIG. 12, the receiving electric wire 46 is a wiring for electrically connecting the first energizing unit 42 and the second energizing unit 44. In the present embodiment, the receiving wires 46a and 46b are provided corresponding to the provision of the first terminals 42a and 42b as the first energizing unit 42 and the second terminals 44a and 44b as the second energizing unit 44. There is. The receiving wire 46a connects the first terminal 42a and the second terminal 44a, and the receiving wire 46b connects the first terminal 42b and the second terminal 44b. The receiving electric wires 46 (46a, 46b) are arranged in the wiring section 33. Specifically, the receiving electric wire 46 is routed from the first energizing portion 42 at the pipe axis direction wiring unit 33a along the pipe axis direction, and intersects with the pipe axis direction at the crossing direction wiring unit 33b. It is laid out in the direction of

The power feeding unit 38 is provided to supply power to the suction tool 70 from the battery 17a provided in the vacuum cleaner main body 10. The power feeding unit 38 has substantially the same configuration as the power receiving unit 36. Specifically, as shown in FIG. 12, the feeding unit 38 has a fourth energizing unit 52, a fifth energizing unit 54, and a feeder line 56.

As shown in FIGS. 5 and 7, the fourth energizing unit 52 is provided on the other end side of the extension pipe 30 in the pipe axial direction (connecting side of the vacuum cleaner main body 10), similarly to the first energizing unit 42 described above. ing. The fourth energizing unit 52 has fourth terminals 52a and 52b. The fourth terminals 52a and 52b are held or covered between the pipe portion 32 and the front side cover portion 34a. The fourth terminals 52a and 52b are provided corresponding to the connection terminals (not shown) for power supply (for power output) electrically connected to the battery 17a on the vacuum cleaner main body 10 side. .. The fourth terminals 52a and 52b can be electrically connected to the connection terminal on the vacuum cleaner main body 10 side by connecting the extension pipe 30 to the vacuum cleaner main body 10. The fourth terminals 52a and 52b may be any as long as they can be electrically connected to the terminals on the vacuum cleaner main body 10 side. In this embodiment, male terminals are used as the fourth terminals 52a and 52b, and female terminals are used as the connection terminals on the vacuum cleaner main body 10 side.

As shown in FIGS. 6, 7, and 10, the fifth energizing unit 54 is provided on one end side (connecting side of the suction tool 70) of the extension tube 30 in the pipe axis direction with respect to the fourth energizing unit 52. The fifth energizing unit 54 is connected to a connection terminal provided on the suction tool 70 in order to supply power to the electric component of the suction tool 70. Such electrical components are, for example, a rotating body driving device 77, a control unit (control board) for controlling the rotating body driving device 77, and the like. The fifth energizing unit 54 has fifth terminals 54a and 54b. The fifth terminals 54a and 54b are fixed to the groove-shaped arrangement portion provided on the front side of the pipe portion 32. The fifth terminals 54a and 54b are provided corresponding to the fourth terminals 52a and 52b, respectively. Unlike the second terminals 44a and 44b described above, the fifth terminals 54a and 54b are connected to the suction tool 70 by connecting the suction tool 70 to the extension pipe 30 (suction tool connection terminals 75a and 75b). ) Is provided at a position where it can be electrically connected. In the present embodiment, since a male type connection terminal is used as the connection terminal provided on the suction tool 70, the fifth terminals 54a and 54b are female type terminals.

As shown in FIG. 12, the feeder line 56 is a wiring for electrically connecting the fourth energizing unit 52 and the fifth energizing unit 54. In the present embodiment, the feeding lines 56a and 56b are provided corresponding to the provision of the fourth terminals 52a and 52b as the fourth energizing unit 52 and the fifth terminals 54a and 54b as the fifth energizing unit 54. There is. The feeder line 56a connects the fourth terminal 52a and the fifth terminal 54a, and the feeder line 56b connects the fourth terminal 52b and the fifth terminal 54b. The feeder lines 56 (56a, 56b) are arranged in the wiring section 33. Specifically, the feeder line 56 extends from the fourth energizing unit 52 in the pipe axis direction wiring unit 33a along the pipe axis direction, and is arranged so as to reach the fifth energizing unit 54.

As shown in FIGS. 4, 6, 10, and the like, the arrangement portion 40 is provided on the back surface side of the extension pipe 30. The disposing portion 40 is a disposition portion 40 in which the second terminals 44a and 44b of the above-mentioned second energizing portion 44 are arranged. Therefore, the arrangement portion 40 is provided at a position corresponding to the communication hole 33c provided on the back surface side of the extension pipe 30. That is, the disposing portion 40 is provided at a position on one end side (connecting side with the suction tool 70) of the extension pipe 30 in the pipe axial direction. Further, the disposing portion 40 can be engaged with the strut portion 96 of the charging stand 90, which will be described in detail later, to form an engaging structure.

The disposing portion 40 has a receiving portion 60 provided so as to bulge toward the back surface side of the extension pipe 30. The arrangement portion 40 is assumed to have the second terminals 44a and 44b arranged inside the receiving portion 60. The receiving portion 60 is hollow and has a first opening 62 that is open toward one side in the pipe axis direction (the connection side with the suction tool 70). Therefore, the disposing portion 40 causes the strut portion 110 of the charging stand 90 to enter the first protruding portion 110 provided on the strut portion 96 of the charging stand 90 with respect to the receiving portion 60 via the first opening portion 62. The extension tube 30 can be engaged with the 96. That is, the disposing portion 40 has a function as an engaged portion for engaging the extension pipe 30 with the strut portion 96, in addition to the function of arranging the second energizing portion 44.

Further, the disposing portion 40 has a second opening 64 on the contact surface 60a on the side facing the strut portion 96 in a state of being engaged with the strut portion 96 of the charging stand 90. The second opening 64 is an opening for connecting the third energizing portion 98 provided on the charging stand 90 to the second energizing portion 44 arranged inside the receiving portion 60.

The disposing portion 40 has a terminal opening 66 on a surface on the back surface side of the extension pipe 30 (a surface facing the surface provided with the second opening 64). The terminal opening 66 is an opening for inserting and detaching the third terminals 98a and 98b of the third energizing unit 98, which will be described later, into the second terminals 44a and 44b of the second energizing unit 44. The terminal opening 66 is open toward one side in the pipe axis direction (connection side with the suction tool 70) and the second opening 64 side. As a result, the third terminals 98a and 98b are inserted on one side of the terminal opening 66 in the tube axis direction, and the third terminals 98a and 98b are fixed on the second opening 64 side of the terminal opening 66.

≪About charging stand 90≫
The vacuum cleaner unit 1 has a characteristic configuration for the charging stand 90, corresponding to the extension tube 30 described above. As shown in FIG. 3, the charging stand 90 is provided with a third energizing portion 98 and a charging mechanism 100 on a mounting portion 94 and a strut portion 96 forming the charging stand main body 92.

The mounting portion 94 is a portion that serves as a pedestal for mounting the suction tool 70. The mounting portion 94 has a stopper 102 on the front side. The stopper 102 is formed so as to project upward from the top surface side of the mounting portion 94. Further, the stopper 102 is formed so as to extend in the width direction of the mounting portion 94. Therefore, the stopper 102 can be positioned so that the suction tool 70 arranged on the top surface of the mounting portion 94 does not move beyond the stopper 102 to the front side.

The strut portion 96 is a strut-like portion erected in the vertical direction on the back surface side (opposite side of the stopper 102) of the mounting portion 94. The strut portion 96 is a portion that engages with and supports the extension pipe 30 connected to the suction tool 70 arranged in the mounting portion 94. Specifically, the support column 96 supports the extension pipe 30 by engaging the receiving portion 60 forming the arrangement portion 40 of the extension pipe 30 with the engagement portion 104 provided on the upper end side. Can be done.

As shown in FIGS. 13 and 14, the engaging portion 104 has four protrusions including a first protrusion 110, a second protrusion 112, a third protrusion 114, and a fourth protrusion 116. The first protrusion 110 is a protrusion-shaped portion formed so as to extend in the width direction on the front side of the support column 96. The first protrusion 110 is a portion inserted into the receiving portion 60 via the first opening 62 provided in the extension pipe 30 described above. The second protrusion 112 faces the first protrusion 110 at a predetermined distance inside the space 120 opened toward the front side and the top surface side on the upper end side of the support portion 96. It is provided. The third protrusion 114 is a protrusion-shaped portion arranged so as to intersect the first protrusion 110. The third protrusion 114 is arranged inside the space 120 like the second protrusion 112. Further, the first protrusion 110 and the third protrusion 114 may be separated from each other, but in the present embodiment, the third protrusion 114 is the first protrusion 110 in the intermediate portion in the width direction of the first protrusion 110. Is linked to. Therefore, the first protrusion 110 and the third protrusion 114 are formed in a substantially "T" shape in a plan view. Further, the fourth protrusion 116 is provided so as to project toward the inside of the space 120 on the surface of the first protrusion 110 facing the space 120 side. The fourth protrusion 116 is provided at a position facing the second protrusion 112.

The space 120 is a portion where the second protrusion 112 and the third protrusion 114 are arranged. A chamfered portion 120a chamfered into a tapered shape or the like is provided on the upper end side edge portion of the space 120 in order to easily attract the receiving portion 60 provided in the extension pipe 30. Further, in the space 120, the opening width on the front side is equal to or wider than the width of the receiving portion 60 provided in the extension pipe 30. Further, the width of the third protrusion 114 described above is equal to or less than the width of the second opening 64 formed in the receiving portion 60 in the extension pipe 30. Further, the second protrusion 112 is provided on both sides in the width direction with respect to the third protrusion 114. Therefore, by inserting the receiving portion 60 in the extension pipe 30 toward the space 120, the contact surface 60a of the receiving portion 60 enters between the first protrusion 110 and the second protrusion 112, and at the same time. The third protrusion 114 enters the second opening 64 provided in the contact surface 60a. As a result, the receiving portion 60 provided on the extension pipe 30 side and the engaging portion 104 provided on the support column 96 side are in a state of being engaged with each other.

The third energizing unit 98 has third terminals 98a and 98b. The third terminals 98a and 98b are blade-shaped terminals. The third terminals 98a and 98b are provided so as to intersect the above-mentioned first protrusion 110 and project toward the front side of the first protrusion 110, respectively. The third terminals 98a and 98b are arranged so as to be symmetrical with respect to the third protrusion 114 in a posture in which the first protrusion 110 is viewed from the front. Further, the third terminals 98a and 98b are provided on the width direction center side (third protrusion 114 side) with respect to the position where the second protrusion 112 and the fourth protrusion 116 are provided. The third terminals 98a and 98b are connected to the charging mechanism 100, respectively.

The charging mechanism 100 supplies electric power to the third energizing unit 98 by the electric power supplied from the external power source. The control board or the like forming the charging mechanism 100 is built in the charging stand main body 92 (for example, the mounting portion 94, the support portion 96, etc.) forming the charging stand 90.

≪Characteristic configuration and effect of vacuum cleaner unit 1 and extension pipe 30≫
Subsequently, the characteristic configuration of the vacuum cleaner unit 1 and the extension pipe 30 described above and the effect of the configuration will be described.

(1) The extension pipe 30 of the present embodiment is for connecting a suction tool 70 having a suction port 73 for sucking dust on one end side in the pipe axial direction, and connecting the vacuum cleaner main body 10 on the other end side in the pipe axial direction. It has a power receiving unit 36 that receives and supplies electric power for supplying electric power to the battery 17a provided in the vacuum cleaner main body 10, and the power receiving unit 36 is on the other end side in the pipe axis direction of the vacuum cleaner main body. The first energizing unit 42 on the power receiving side for supplying power to the battery 17a provided in 10, the second energizing unit 44 provided on the other side from one end side in the tube axis direction, the first energizing unit 42 and the second energizing unit 42. It is characterized by including a receiving electric wire 46 for electrically connecting the portion 44.

The extension pipe 30 described above includes a power receiving unit 36 that receives and supplies electric power for supplying electric power to the battery 17a provided on the vacuum cleaner main body 10 side. Further, in the extension pipe 30, the first energizing portion 42 is connected to the battery 17a side provided on the vacuum cleaner main body 10 side on the other end side in the pipe axial direction, so that one end in the pipe axial direction is more than the first energizing portion 42. Power can be supplied to the battery 17a from the second energizing unit 44 provided on the side via the receiving electric wire 46. Therefore, according to the extension pipe 30 described above, power can be supplied to the battery 17a from the second energizing unit 44 located at a position different from that of the vacuum cleaner main body 10.
Further, in such a configuration, it is possible to suppress the generation of static electricity by avoiding providing the energizing portion in the vacuum cleaner main body which is easy for the user to grasp or touch.

(2) The extension pipe 30 of the present embodiment includes a pipe portion 32 constituting an air passage and a cover portion 34 for arranging a receiving electric wire 46 between the pipe portions 32, and includes the pipe portion 32 and a cover. A crossing direction wiring section 33b (communication section) communicating with the section 34 or the pipe section 32 and the cover section 34 in a direction intersecting the pipe axis direction is provided, and the receiving electric wire 46 is a crossing direction wiring section. It is characterized in that it is arranged via 33b and electrically connects the first energizing unit 42 and the second energizing unit 44.

According to such a configuration, the receiving electric wire 46 is not only arranged along the pipe axis direction of the extension pipe 30, but also in the direction intersecting the pipe axis direction via the crossing direction wiring portion 33b. Can be arranged. Therefore, according to the above-described configuration, the degree of freedom in arranging the second energizing unit 44 with respect to the first energizing unit 42 is improved. Further, for example, when the second energizing portion 44 is provided on the back side cover portion 34b, the second energizing portion 44 can be hidden by the pipe portion 32 when viewed from the front side, so that the design can be improved. can.

In the present embodiment, an example is shown in which a crossing direction wiring portion 33b is provided which passes between the pipe portion 32 and the cover portion 34 and communicates in a direction intersecting the pipe axis direction. Is not limited to this. Specifically, the extension pipe 30 is provided with a through hole or a groove in at least one of the pipe portion 32 or the cover portion 34 so that the receiving electric wire 46 can be arranged in a direction intersecting the pipe axis direction. It may be. Further, for example, when it is not necessary to arrange the receiving electric wire 46 in the direction intersecting the pipe axis direction, the extension pipe 30 may not be provided with the crossing direction wiring portion 33b.

(3) Here, as a problem to be solved by the extension pipe 30 of the present embodiment, for example, to provide a current-carrying portion in the vacuum cleaner main body which may generate static electricity when the user grips or touches it. Therefore, it is necessary to consider the arrangement of the energized part and other members, and to take measures against static electricity separately. On the other hand, according to the vacuum cleaner unit 1 of the present embodiment, it is possible to solve a problem completely different from the problem solved by the extension pipe 30 of the present embodiment. Specifically, in the vacuum cleaner system of Patent Document 1, since the vacuum cleaner main body is provided with a connection terminal, the height of the power supply terminal for connecting to the connection terminal is adjusted to the height at which the connection terminal is located for charging. You have to design the platform. As a result, there is a problem that the charging stand becomes large.

The electric vacuum cleaner unit 1 of the present embodiment has a vacuum cleaner main body 10 having a battery 17a and a suction tool 70 having a suction port 73 for sucking dust in order to solve the above-mentioned problem that the charging stand becomes large. The extension tube 30, the third energizing unit 98, and the charging stand 90 having the charging mechanism 100 for charging the battery 17a are provided, and the charging stand 90 is for mounting the suction tool 70. In a state where the mounting portion 94 and the strut portion 96 that supports the extension pipe 30 and engages with the extension pipe 30 are provided, and the strut portion 96 supports the extension pipe 30 and engages with the extension pipe 30. The third energizing unit 98 and the second energizing unit 44 are electrically connected, and the charging mechanism 100 can supply power from the third energizing unit 98 to the second energizing unit 44 to charge the battery 17a. be.

In the vacuum cleaner unit 1 exemplified in the present embodiment, the extension tube 30 is supported and engaged with the support column 96 of the charging stand 90, so that the second energizing portion 44 in the extension tube 30 and the charging stand 90 The battery 17a can be charged by electrically connecting to the third energizing unit 98 and supplying power by the charging mechanism 100. Therefore, in the vacuum cleaner unit 1 of the present embodiment, the third energizing unit 98 can be provided on the charging stand 90 in accordance with the second energizing unit 44 provided at a position lower than the vacuum cleaner main body 10. As a result, the charging stand 90 can be made compact.
Further, the vacuum cleaner unit 1 exemplified in this embodiment is provided with the extension pipe 30 described above. Therefore, the vacuum cleaner unit 1 described above can be electrically connected to the charging mechanism 100 at a position different from the vacuum cleaner main body 10 to supply power to the battery 17a.

(4) The vacuum cleaner unit 1 of the present embodiment includes a disposing portion 40 for arranging the second energizing portion 44, and the disposing portion 40 constitutes an engaging structure in which the disposing portion 40 engages with the strut portion 96. It is characterized by that.

According to such a configuration, the second energizing portion 44 can be reliably connected to the third energizing portion 98 to charge the battery 17a by the engaging structure composed of the disposing portion 40 and the strut portion 96. can.

In the present embodiment, an example (reception section 60) in which the disposition portion 40 in which the second energizing portion 44 is arranged is utilized as a configuration for engaging with the support column portion 96 is shown, but the present invention shows this. Not limited to. For example, the receiving portion 60 may not be provided in the disposing portion 40 in which the second energizing portion 44 is arranged, and one of the engaging structures for engaging with the strut portion 96 may be provided in the extension pipe 30. For example, an accommodating portion for sandwiching the extension pipe 30 so as to partially cover the extension pipe 30 is provided in the support column 96, and the accommodating portion is provided with an engaging structure that engages with the extension pipe 30 in the radial direction and is provided with an arrangement portion. A third energizing unit 98 connected to the second energizing unit 44 in the 40 may be provided.

Further, in the present embodiment, an example of providing the disposing portion 40 in which the second energizing portion 44 is arranged has been described, but the configuration is such that the second energizing portion 44 is arranged between the pipe portion 32 and the back side cover portion 34b. May be. In such a case, the second energizing portion 44 may be exposed on the outer surface of the back surface side cover portion 34b, or the third energizing portion 98 may be provided with a terminal opening for insertion.

(5) The vacuum cleaner unit 1 of the present embodiment has a hollow receiving portion 60 in which the disposing portion 40 is arranged with the first opening 62 opened so as to face one side in the pipe axis direction. The strut portion 96 is characterized by having a first protrusion 110 (projection) inserted into the receiving portion 60 via the first opening 62.

According to such a configuration, the extension pipe 30 is inserted into the support column 96 so that the first protrusion 110 provided on the support column 96 side is inserted into the receiving portion 60 forming the arrangement portion 40 in the extension tube 30. The extension pipe 30 can be engaged with the support column 96.

(6) The vacuum cleaner unit 1 of the present embodiment is characterized in that a third energizing portion 98 is provided on the first protrusion 110.

According to such a configuration, by engaging the extension pipe 30 with the support column portion 96, it is possible to connect the second energizing portion 44 provided in the disposing portion 40 and the third energizing portion 98. Become. As a result, the connection work between the second energizing unit 44 and the third energizing unit 98 can be easily and reliably performed.

(7) In the vacuum cleaner unit 1 of the present embodiment, the receiving portion 60 has a second opening 64 on the side facing the support column 96, and the third energizing portion 98 passes through the second opening 64. Therefore, it is characterized in that it is connected to the second energizing unit 44.

According to such a configuration, the second energizing unit 44 and the third energizing unit 98 can be connected inside the receiving unit 60. As a result, the safety of the connection work between the second energizing unit 44 and the third energizing unit 98 can be further improved.

The configurations of the vacuum cleaner unit 1 and the extension pipe 30 described above are merely shown according to one embodiment and modifications of the present invention, and can be appropriately changed without departing from the spirit of the present invention. For example, in the above-mentioned modification, an example in which four protrusions including a first protrusion 110, a second protrusion 112, a third protrusion 114, and a fourth protrusion 116 are provided as the engagement portion 104 is shown. However, the present invention is not limited to this, and other protrusions (second protrusion 112, third protrusion 112, third protrusion) other than the first protrusion 110, such as those provided with only the first protrusion 110, are not limited to this. Of the portions 114 and the fourth protrusion 116), one or a plurality of protrusions may not be provided.

Further, in the above embodiment, a male terminal or a female terminal is used as the first energizing unit 42, the second energizing unit 44, the third energizing unit 98, the fourth energizing unit 52, and the fifth energizing unit 54. However, the present invention is not limited to this. For example, some or all of these may be used as a type that energizes by contacting metal terminals or a type that can be energized wirelessly. Further, conventionally known jacks and plugs may be used as a part or all of these energizing parts. Specifically, for example, as shown in FIG. 15, a jack 44x is provided as the second energizing portion 44, and the jack 44x forming the second energizing portion 44 when the extension pipe 30 is engaged with the support column portion 96. A plug 98x may be provided as a third energizing unit 98 at a connectable position. Further, in the configuration as shown in FIG. 15, the jack 44x may be provided in the support column 96 and the plug 98x may be provided in the extension pipe 30.

Further, in the above embodiment, the first terminals 42a and 42b forming the first energizing portion 42 and the fourth terminals 52a and 52b forming the fourth energizing portion 52 are provided on the other end side of the extension tube 30 in the tube axial direction. The position in the circumferential direction of the pipe portion 30, with the position intersecting the virtual cross section passing through the pipe axis as the reference position, on one side of the reference position (in the direction intersecting the pipe axis when viewed from the front side cover portion 34a). The first terminal 42a and the fourth terminal 52a are arranged in this order on one side), and intersect with the pipe axis on the other side (front side cover portion 34a) which is opposite to one side of the reference position. An example is shown in which the fourth terminal 52b and the first terminal 42b are arranged so as to be arranged in this order, but the fourth terminal 52b and the first terminal 42b are not limited to such an order. The first terminal 42a and the fourth terminal 52a may be arranged on one side of the reference position, and the first terminal 42b and the fourth terminal 52b may be arranged on the other side of the reference position. Further, in such a configuration, by separating the space between the first terminal 42a and the first terminal 42b and the space between the fourth terminal 52a and the fourth terminal 52b, the terminal is curved and dust is generated between the terminals. This is to avoid a short circuit between the terminals as much as possible when they are accumulated, but the distance between these terminals can be changed as appropriate. In addition, for example, the set of the first terminals 42a and 42b forming the first energizing unit 42 is arranged side by side on one side of the reference position, and the set of the fourth terminals 52a and 52b forming the fourth energizing unit 52 is arranged. It may be arranged side by side on the other side of the reference position.

Further, in the above embodiment, the first energizing unit 42, the fourth energizing unit 52, and the fifth energizing unit 54 are arranged on the front side of the pipe unit 32, but the configuration is not limited to such a configuration. .. Modifications 1 to 7 can be considered by changing the positions of the first energizing unit 42, the fourth energizing unit 52, and the fifth energizing unit 54. Here, the configuration A is configured in which the first energizing portion 42 and the fourth energizing portion 52 are arranged on the front side of the pipe portion 32 on the other end side in the pipe axial direction, and the first energizing portion is arranged on the other end side in the pipe axial direction. Configuration B is such that one of the portion 42 and the fourth energizing portion 52 is arranged on the front side of the pipe portion 32 and the other is arranged on the back side of the pipe portion 32, and the first energization is performed on the other end side in the pipe axial direction. Configuration C is such that the portion 42 and the fourth energizing portion 52 are arranged on the back surface side of the pipe portion 32. In configurations A to C, when at least one of the first energizing portion 42 or the fourth energizing portion 52 is arranged on the back side of the pipe portion 32, at least one of the feeder line 56 or the receiving wire 46 is the pipe portion 32. The back side cover portions 34b1 to 34b6 are provided so as to be arranged between the and. The configuration D is such that the fifth energizing portion 54 is arranged on the front side of the pipe portion 32 on the one end side in the pipe axial direction, and the fifth energizing portion 54 is on the back side of the pipe portion 32 on the one end side in the pipe axial direction. Let the configuration arranged in the configuration be the configuration E.

In the first modification, the configuration A and the configuration E are combined. In this embodiment, the feeder line 56 may be routed from the front side to the back side of the pipe portion 32 by using the crossing direction wiring portion 33b together with the receiving electric wire 46.

Modifications 2 to 5 are a combination of the configuration B and the configurations D and E. In the second modification, which is a combination of the configuration B and the configuration D in the case where the first energizing portion 42 is arranged on the front side of the pipe portion 32 and the fourth energizing portion 52 is arranged on the back side of the pipe portion 32, A back side cover portion 34b1 that holds or covers the fourth energizing portion 52 may be provided on the back side of the pipe portion 32. Then, in order to route the feeder line 56 from the back side to the front side of the pipe portion 32, the crossing direction wiring portion 33b may be used.

Further, in the modified example 3 which is a combination of the configuration B and the configuration E in the case where the first energizing portion 42 is arranged on the front side of the pipe portion 32 and the fourth energizing portion 52 is arranged on the back side of the pipe portion 32. May provide a back side cover portion 34b2 that holds or covers the fourth energizing portion 52 and the fifth energizing portion 54 on the back surface side of the pipe portion 32.

Further, in the modified example 4, which is a combination of the configuration B and the configuration D in the case where the fourth energizing portion 52 is arranged on the front side of the pipe portion 32 and the first energizing portion 42 is arranged on the back side of the pipe portion 32. May provide a back side cover portion 34b3 that holds or covers the first energization portion 42 on the back side of the pipe portion 32. In this embodiment, it is not necessary to pull the receiving electric wire 46 from the front side to the back side of the pipe portion 32, so that the crossing direction wiring portion 33b is unnecessary.

Further, in the modified example 5 which is a combination of the configuration B and the configuration E in the case where the fourth energizing portion 52 is arranged on the front side of the pipe portion 32 and the first energizing portion 42 is arranged on the back side of the pipe portion 32. May provide a back side cover portion 34b4 that holds or covers the first energization portion 42 on the back side of the pipe portion 32. In that case, it is not necessary to pull the receiving wire 46 from the front side to the back side of the pipe portion 32. Then, the feeder line 56 may be routed from the front side to the back side of the pipe portion 32 by using the crossing direction wiring portion 33b.

In the modification 6, it is a form in which the configuration C and the configuration D are combined. In this embodiment, the back side cover portion 34b5 that holds or covers the first energizing portion 42 and the fourth energizing portion 52 may be provided on the back surface side of the pipe portion 32. In that case, the feeder line 56 may be routed from the back side to the front side of the pipe portion 32 by using the crossing direction wiring portion 33b.

In the modification 7, it is a form in which the configuration C and the configuration E are combined. In this embodiment, instead of the front side cover portion 34a, the back side cover portion 34b6 that holds or covers the first energization portion 42 and the fourth energization portion 52 may be provided on the back side of the pipe portion 32. In that case, the crossing direction wiring portion 33b can be eliminated.

When the positions of the first energizing unit 42, the fourth energizing unit 46, and the fifth energizing unit 54 are changed from the embodiments according to the modified examples 1 to 7, the terminals and suction of the vacuum cleaner main body 10 are accompanied by the changes. The position of the terminal 75a of the tool 70 may also be changed.

The present invention is not limited to those shown as the above-described embodiments, modifications, and the like, and there may be other embodiments from the teaching and spirit within the scope of the claims. The components of the above-described embodiment may be arbitrarily selected and combined. Further, any component of the embodiment and any component described in the means for solving the invention or a component embodying any component described in the means for solving the invention are arbitrarily combined. May be configured. We also intend to acquire the rights to these in the amendment or divisional application of the present application.

INDUSTRIAL APPLICABILITY The present invention can be suitably used for an extension pipe of a vacuum cleaner and a vacuum cleaner unit including the extension pipe thereof.

1: Vacuum cleaner unit 10: Vacuum cleaner body 17a: Battery 30: Extension pipe 32: Pipe part 33c: Communication part 34: Cover part 36: Power receiving part 40: Arrangement part 42: First energizing part 44: Second energizing part Part 46: Receiving wire 60: Receiving part 62: First opening 64: Second opening 70: Suction tool 73: Suction port 90: Charging stand 94: Mounting part 96: Strut part 98: Third energizing part 100: Charging mechanism 110: First protrusion

Claims (8)

An extension tube of an electric vacuum cleaner for connecting a suction tool having a suction port for sucking dust to one end side in the pipe axis direction and connecting the vacuum cleaner body to the other end side in the pipe axis direction.
It has a power receiving unit that receives and supplies electric power for supplying electric power to the battery provided on the vacuum cleaner main body side.
The power receiving unit
On the other end side in the pipe axis direction, the first energizing portion connected to the vacuum cleaner main body and
A second energizing portion provided on one end side in the tube axial direction with respect to the first energizing portion,
An extension pipe of an electric vacuum cleaner, comprising: a receiving electric wire for electrically connecting the first energizing portion and the second energizing portion. The pipes that make up the air passage and
The extension pipe of the vacuum cleaner according to claim 1, further comprising a cover portion for arranging the receiving electric wire between the pipe portion and the pipe portion. It has a communication portion that communicates with the pipe portion, the cover portion, or between the pipe portion and the cover portion in a direction intersecting the pipe axis direction.
The extension pipe of the vacuum cleaner according to claim 2, wherein the receiving electric wire is arranged via the communicating portion and electrically connects the first energized portion and the second energized portion. .. The vacuum cleaner body with a battery and
A suction tool with a suction port for sucking in dust,
The extension tube according to claims 1 to 3 and
A third energizing unit and a charging stand having a charging mechanism for charging the battery are provided.
The charging stand
A mounting portion for mounting the suction tool, and
It has a strut portion that supports the extension tube and engages with the extension tube.
In a state where the strut portion supports the extension tube and engages with the extension tube, the third energizing portion and the second energizing portion are electrically connected, and the third energizing portion is electrically connected by the charging mechanism. An electric vacuum cleaner unit characterized in that the battery can be charged by supplying power to the second energizing unit. A disposition portion for arranging the second energizing portion is provided.
The vacuum cleaner unit according to claim 4, wherein the disposition portion constitutes an engaging structure that engages with the strut portion. The disposition portion has a hollow receiving portion in which a first opening portion opened so as to face one side in the pipe axis direction is arranged.
The vacuum cleaner unit according to claim 5, wherein the support column has a protrusion inserted into the receiving portion via the first opening portion. The vacuum cleaner unit according to claim 6, wherein the third energizing portion is provided on the protrusion. The receiving portion has a second opening on the side facing the strut portion, and the receiving portion has a second opening.
The vacuum cleaner unit according to claim 7, wherein the third energizing portion is connected to the second energizing portion via the second opening.

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