JP2012095784A - Suction device for vacuum cleaner and vacuum cleaner using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a suction device for vacuum cleaner that facilitates the replacement of various types of suction devices including a floor nozzle, a small nozzle, and a gap nozzle, and has improved user-friendliness.SOLUTION: The suction device for an vacuum cleaner includes: a first suction device having a first suction opening for sucking dust; a second suction device having a second suction opening in communication with the first suction opening, and removably engaged with the first suction device; a third suction device having a third suction opening in communication with the second suction opening, and removably engaged with the second suction device; a first operation section for releasing the engagement between the first suction device and the second suction device; and a second operation section for releasing the engagement between the second suction device and the third suction device.

Description

  The present invention relates to a vacuum cleaner suction tool and a vacuum cleaner using the same.

  Conventionally, in a vacuum cleaner suction tool, a small nozzle is detachably mounted on the floor nozzle and the small nozzle is removed from the floor nozzle by pushing down the operation lever provided on the floor nozzle in order to improve user convenience. A configuration for detachment has been proposed (see, for example, Patent Document 1).

  That is, as shown in FIG. 19, the suction tool 200 is detachably attached to the floor nozzle 201 and the small nozzle 202 having a connecting pipe 204 to which an extension pipe (not shown) is connected. When the operation lever 203 provided on the floor nozzle 201 is pushed down, the holding state of the holder 205 that detachably holds the small nozzle 202 is released, and the small nozzle 202 is released from the floor nozzle 201. A suction tool for a vacuum cleaner having a configuration to be detached has been proposed.

JP 2003-339585 A

  However, the conventional vacuum cleaner suction tool still has room for improvement from the viewpoint of improving the user-friendliness.

  That is, in the conventional vacuum cleaner suction tool, only the small nozzle can be attached to and detached from the floor nozzle. When using a gap nozzle or the like that is smaller than the small nozzle, the user can use the floor nozzle and the small nozzle. It is necessary to remove the nozzle from the extension pipe and reconnect a separately prepared gap nozzle or the like to the extension pipe, which sometimes takes time to install the gap nozzle or the like. In addition, when the gap nozzle is not used, the user needs to store the gap nozzle in a place different from the floor nozzle and the small nozzle, and it takes time to store the gap nozzle. Met. Therefore, it may be troublesome for the user to attach and detach the gap nozzle and the like.

  The present invention has been made in view of the above-described problems of the prior art, and can easily attach and detach different types of suction tools such as a floor nozzle, a small nozzle, and a gap nozzle, and the like. It aims at providing the suction tool for vacuum cleaners which can improve usability.

  In order to solve the above-described problems of the prior art, the present invention is provided with a first suction tool having a first suction port for sucking dust and a second suction port communicating with the first suction port. A second suction tool that is detachably engaged with the first suction tool, and a third suction port that communicates with the second suction port, and is detachable from the second suction tool. A third suction tool that is engaged with the first suction tool, a first operation unit that releases engagement between the first suction tool and the second suction tool, and a second suction tool and a third suction tool. A vacuum cleaner suction tool having a second operation part for releasing the engagement.

  Thereby, when removing and using the 1st suction tool from the 2nd suction tool, only engagement of the 1st suction tool and the 2nd suction tool is canceled only by operating the 1st operation part. In addition, when the second suction tool is removed from the third suction tool and used, the operation of the second suction tool and the third suction tool can be performed only by operating the second operation part. Can be canceled. Therefore, the first suction tool, the second suction tool, and the third suction tool can be switched easily, and the user-friendliness can be improved.

  According to the vacuum cleaner suction tool of the present invention, switching between the first suction tool, the second suction tool, and the third suction tool can be easily performed, and the user-friendliness can be improved. become able to.

Side view of the vacuum cleaner provided with Embodiment 1 of the suction tool for vacuum cleaners of this invention Top surface perspective view which shows Embodiment 1 of the suction tool for vacuum cleaners of this invention Sectional drawing in the AA line of the vacuum cleaner suction tool shown in FIG. Top surface perspective view of the 1st suction tool in Embodiment 1 of the suction tool for vacuum cleaners of this invention The bottom view of the 1st suction tool in Embodiment 1 of the suction tool for vacuum cleaners of this invention Top surface perspective view of the 2nd suction tool in Embodiment 1 of the suction tool for vacuum cleaners of this invention The bottom view of the 2nd suction tool in Embodiment 1 of the suction tool for vacuum cleaners of this invention Top surface perspective view of the 3rd suction tool in Embodiment 1 of the suction tool for vacuum cleaners of this invention The top view of the 3rd suction tool in Embodiment 1 of the suction tool for vacuum cleaners of this invention The bottom view of the 3rd suction tool in Embodiment 1 of the suction tool for vacuum cleaners of this invention Sectional drawing in the BB line of the vacuum cleaner suction tool shown in FIG. The fragmentary sectional view which shows the state by which engagement with the 1st suction tool and 2nd suction tool in Embodiment 1 of the suction tool for vacuum cleaners of this invention was cancelled | released. The fragmentary sectional view which shows the state from which the 1st suction tool in Embodiment 1 of the suction tool for vacuum cleaners of this invention is removed. The fragmentary sectional view which shows the state by which engagement with the 2nd suction tool and the 3rd suction tool in Embodiment 1 of the suction tool for vacuum cleaners of this invention was cancelled | released. The fragmentary sectional view which shows the state from which the 2nd suction tool in Embodiment 1 of the suction tool for vacuum cleaners of this invention is removed. The fragmentary sectional view which shows Embodiment 2 of the suction tool for vacuum cleaners of this invention Partial sectional drawing which shows the modification of the suction tool for vacuum cleaners of this invention Partial sectional drawing which shows the modification of the suction tool for vacuum cleaners of this invention The perspective view which shows the suction tool for conventional vacuum cleaners

  1st invention is provided with the 1st suction tool which has the 1st suction port which attracts | sucks dust, and the 2nd suction port connected to the 1st suction port, and is attached or detached to the 1st suction tool. A second suction tool that is freely engaged and a third suction port that communicates with the second suction port are provided, and a third suction tool that is detachably engaged with the second suction tool. And a first operation part for releasing the engagement between the first suction tool and the second suction tool, and a second operation part for releasing the engagement between the second suction tool and the third suction tool. And a vacuum cleaner suction tool.

Thereby, when removing and using the 1st suction tool from the 2nd suction tool, only engagement of the 1st suction tool and the 2nd suction tool is canceled only by operating the 1st operation part. In addition, when the second suction tool is removed from the third suction tool and used, the operation of the second suction tool and the third suction tool can be performed only by operating the second operation part. Can be canceled. Therefore, the first suction tool, the second suction tool, and the third suction tool can be switched easily, and the user-friendliness can be improved.

  In the second invention, in particular, in the first invention, at least one of the first operation unit and the second operation unit is provided in the third suction tool.

  Thereby, the user can operate the first operation unit and the second operation unit with a simple operation, and an easy-to-use vacuum cleaner suction tool can be provided.

  In particular, according to the third invention, in the first or second invention, the first operation part and the second operation part are respectively arranged at the rear part of the third suction tool.

  Thereby, the user can operate the first operation unit and the second operation unit with a simple operation, and an easy-to-use vacuum cleaner suction tool can be provided.

  In particular, according to a fourth invention, in the first to third inventions, the first suction tool and the second suction tool are detachably attached to one of the first suction tool and the second suction tool. A first engagement portion that engages with the first engagement portion is provided at a position corresponding to the other first engagement portion. The configuration is as described above.

  Accordingly, the first suction tool can be reliably engaged with the second suction tool with a simple configuration, and the first suction tool and the second suction tool can be simply operated by operating the first operation unit. The vacuum cleaner suction tool can be provided that can be disengaged from the tool and is easy to use.

  In particular, according to a fifth aspect of the present invention, in the first to fourth aspects of the present invention, the second operating portion is a second engaging portion that detachably engages the second suction tool and the third suction tool. And a second engaged portion that engages with the second engaging portion is provided at a position corresponding to the second engaging portion of the second suction tool. Is.

  Accordingly, the second suction tool can be reliably engaged with the third suction tool with a simple configuration, and the second suction tool and the third suction tool can be simply operated by operating the second operation portion. The vacuum cleaner suction tool can be provided that can be disengaged from the tool and is easy to use.

  In a sixth aspect of the invention, in particular, in any one of the first to fifth aspects of the invention, the first operation section releases the engagement between the first suction tool and the second suction tool. At the same time, the second suction tool is pushed upward.

  Thereby, since it is possible to reliably release the engagement between the first suction tool and the second suction tool, the first suction tool and the second suction tool remain engaged, The first suction tool is forcibly removed from the second suction tool, and the first suction tool, the second suction tool, and the first operation unit can be sufficiently prevented from being damaged, and safety is ensured. The vacuum cleaner suction tool can be provided.

  In a seventh aspect of the invention, in particular, in any one of the first to sixth aspects of the invention, the second operation section releases the engagement between the second suction tool and the third suction tool. At the same time, the third suction tool is pushed upward.

  Thereby, since it is possible to reliably release the engagement between the second suction tool and the third suction tool, the second suction tool and the third suction tool remain engaged, The second suction tool is forcibly removed from the third suction tool, and the second suction tool, the third suction tool, and the second operation part can be sufficiently prevented from being damaged, and safety is ensured. The vacuum cleaner suction tool can be provided.

  In an eighth aspect of the invention, in particular, in any one of the first to seventh aspects of the invention, a first seal member is provided between the first suction tool and the second suction tool. It is the composition which has.

  Thereby, it is possible to prevent air from leaking from between the first suction tool and the second suction tool in a state where the first suction tool is attached to the second suction tool.

  According to a ninth invention, in particular, in any one of the first to eighth inventions, a second seal member is provided between the second suction tool and the third suction tool. It is the composition which has.

  Thereby, it is possible to prevent air from leaking from between the second suction tool and the third suction tool in a state where the second suction tool is attached to the third suction tool.

  In a tenth aspect of the invention, particularly in the eighth or ninth aspect, the first seal member and the second seal member are made of a soft material having high wear resistance.

  Thereby, deterioration by abrasion of a sealing member can be prevented, and the suction tool for vacuum cleaners with high durability can be provided.

  In an eleventh aspect of the invention, in particular, in any one of the first to tenth aspects of the invention, a soft material is provided on at least one end of the first operation portion and the second operation portion. The configuration is as described above.

  Thereby, even when the first operation unit and the second operation unit come into contact with the surface to be cleaned, the surface to be cleaned can be prevented from being damaged by the first operation unit and the second operation unit.

  A twelfth aspect of the present invention is a vacuum cleaner comprising: a vacuum cleaner body including an electric blower that generates suction air; and the vacuum cleaner suction tool according to any one of claims 1 to 11. It is a thing.

  Thereby, the convenient vacuum cleaner which can perform switching of a 1st suction tool, a 2nd suction tool, and a 3rd suction tool easily can be provided.

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

(Embodiment 1)
Embodiment 1 of the vacuum cleaner suction tool of the present invention will be described with reference to FIGS.

FIG. 1 is a side view of a vacuum cleaner provided with Embodiment 1 of the vacuum cleaner suction tool of the present invention. Moreover, FIG. 2 is a perspective view which shows Embodiment 1 of the suction tool for vacuum cleaners of this invention. Furthermore, FIG. 3 is sectional drawing in the AA line of the vacuum cleaner suction tool shown in FIG. FIG. 4 is a top perspective view of the first suction tool in Embodiment 1 of the vacuum cleaner suction tool of the present invention. Furthermore, FIG. 5 is a bottom view of the first suction tool in the first embodiment of the vacuum cleaner suction tool of the present invention. FIG. 6 is a top perspective view of the second suction tool in the first embodiment of the vacuum cleaner suction tool of the present invention. Furthermore, FIG. 7 is a bottom view of the second suction tool in Embodiment 1 of the vacuum cleaner suction tool of the present invention. FIG. 8 is a top perspective view of the third suction tool in the first embodiment of the vacuum cleaner suction tool of the present invention. Furthermore, FIG. 9 is a top view of the third suction tool in Embodiment 1 of the vacuum cleaner suction tool of the present invention. FIG. 10 is a bottom view of the third suction tool in the first embodiment of the vacuum cleaner suction tool of the present invention. Furthermore, FIG. 11 is sectional drawing in the BB line of the vacuum cleaner suction tool shown in FIG.

  As shown in FIG. 1, the vacuum cleaner 100 includes a vacuum cleaner body 1 including an electric blower (not shown) that generates suction air and a dust collecting part (not shown) that collects dust, Vacuum cleaner suction tool 2 for sucking dust on the cleaning surface, extension pipe 3 having one end detachably connected to vacuum cleaner suction tool 2, and one end detachably connected to the other end of extension pipe 3 The other end of the hose 4 is detachably connected to the cleaner body 1.

  A hand holding part 5 having a holding part (not shown) held by the user is provided at the end of the hose 4 on the extension pipe 3 side. A connection pipe 6 is provided at the end of the hose 4 on the cleaner body 1 side. Further, an intake port 1 a to which the connection pipe 6 is detachably connected is provided on the upper surface of the cleaner body 1. In addition, a pair of traveling wheels 7 is provided at the rear of the cleaner body 1. Furthermore, a traveling caster 8 is provided on the front bottom surface of the cleaner body 1.

  As shown in FIG.2 and FIG.3, the vacuum cleaner suction tool 2 includes a first suction tool 10 having a first suction port 10a for sucking dust, and a second suction port 10a communicating with the first suction port 10a. A second suction tool 20 that is detachably engaged with the first suction tool 10 and a third suction port 30a that communicates with the second suction hole 20a. The third suction tool 30 is detachably engaged with the second suction tool 20.

  As shown in FIGS. 4 and 5, the first suction tool 10 includes a suction part 11 having a first suction port 10a for sucking dust on the lower surface, and a connection part 12 to which the extension pipe 3 is connected at one end. The connecting portion 13 connects the suction portion 11 and the connecting portion 12. The first suction port 10a is formed from the lower surface of the suction portion 11 to the front surface. The first suction port 10a is provided with a first reinforcing rib 14 for reinforcement.

  The end of the suction portion 11 on the side of the connecting portion 13 is rotatably held by the connecting portion 13. The end of the connecting portion 12 on the side of the connecting portion 13 is held by the connecting portion 13 so as to be rotatable in the vertical direction. A first rotation restricting portion 15 that restricts the upward rotation of the connecting portion 12 is provided on the upper surface of the connecting portion 12 on the connecting portion 13 side. A second rotation restricting portion 16 that restricts the downward rotation of the connecting portion 12 is provided at the end of the lower surface of the connecting portion 13 on the connecting portion 12 side. The connecting portion 12 is restricted from turning upward by the first turning restricting portion 15 coming into contact with the end of the connecting portion 13 on the connecting portion 12 side, and the second turning restricting portion 16. Is configured to be restricted from rotating downward by contacting the lower surface of the connecting portion 12 on the connecting portion 13 side.

A first recess 17 is provided at the front end of the upper surface of the suction part 11. Further, a second recessed portion 18 that is a first engaged portion is provided on a side surface of the suction portion 11. The 1st suction tool 10 is provided in the 2nd suction tool 20 mentioned later while the 1st projection part 24 and the 1st recessed part 17 which were provided in the 2nd suction tool 20 mentioned later fit. In addition, the first claw portion 25 that is the first engaging portion and the second recess 18 are fitted to each other so as to be detachably connected to the second suction tool 20.

  As shown in FIG.6 and FIG.7, the 3rd recessed part 21 to which the 1st suction tool 10 is detachably attached is provided in the center part of the 2nd suction tool 20. As shown in FIG. In addition, a second suction port 20a that communicates with the first suction port 10a in a state in which the first suction tool 10 is attached to the second suction tool 20 is provided on the lower surface of the second suction tool 20. It has been. Furthermore, the second suction port 20a is provided with a second reinforcing rib 22 for reinforcement. In addition, a first brush portion 23 that scrapes dust on the surface to be cleaned is provided on the lower surface of the second suction tool 20.

  A first protrusion 24 that fits with the first recess 17 provided in the first suction tool 10 is provided in the upper part in front of the third recess 21. Further, a first claw portion 25 that is a first engagement portion is provided on the rear side surface of the third recess 21, that is, on the inner side surface on the rear side of the second suction tool 20. Further, a slit 26 is provided in front of the first claw portion 25. Further, below the first claw portion 25, a contact portion 27 with which a release portion 44 provided on a second operation portion 48 described later contacts is provided.

  In the first suction tool 10, the first recess 24 is fitted into the first recess 17, and the first claw portion 25 is fitted into the second recess 18, whereby the third recess 21. It is configured to be detachably held inside. Moreover, the 1st fitting port part 28 which is a 2nd to-be-engaged part is provided in the outer side surface of the 2nd suction tool 20. FIG. Further, a second protrusion 29 is provided on the front surface of the second suction tool 20.

  As shown in FIGS. 8 to 10, the third suction tool 30 includes an upper member 31 that forms an upper surface and a side surface of the third suction tool 30, and a lower member 32 that forms the lower surface of the third suction tool 30. It consists of and. The lower member 32 constituting the lower surface of the third suction tool 30 communicates the upper surface and the lower surface of the third suction tool 30, and the second suction tool 20 is attached to the third suction tool 30. In the state, a third suction port 30 a communicating with the second suction port 20 a is provided along the longitudinal direction of the third suction tool 30. Further, a traveling roller 33 is rotatably disposed at the rear portion of the lower surface of the third suction tool 30.

  The third suction tool 30 has a second brush part 34 that scrapes dust on the surface to be cleaned, and a lip part 35 that prevents the dust on the surface to be cleaned from moving to the rear of the third suction tool 30. Built in. An operation lever 36 that is rotatably held by the third suction tool 30 is provided on the upper surface of the third suction tool 30. The second brush portion 34 is arranged to be movable up and down in front of the third suction port 30a, and the lip portion 35 is arranged to be movable up and down behind the third suction port 30a. Further, the second brush portion 34 and the lip portion 35 are configured to protrude from the inside of the third suction device 30 to the outside of the third suction device 30 when the user operates the operation lever 36. Has been.

  A fourth recess 37 to which the second suction tool 20 is detachably attached is provided at a substantially central portion of the upper member 31 constituting the upper surface of the third suction tool 30. Further, on both the left and right sides of the fourth recess 37, a fifth recess 38 into which the first brush portion 23 provided on the lower surface of the second suction tool 20 is inserted is provided.

In front of the fourth recess 37, a second fitting port 39 that fits with the second protrusion 29 provided in the second suction tool 20 is provided. A positioning first rib 40 is provided at the rear of the fourth recess 37. Furthermore, a cross-shaped second rib 41 for positioning is provided at a substantially central portion of the fourth recess 37. As for the 2nd suction tool 20, the front part of the 2nd suction tool 20 is positioned in the 4th recessed part 37 because the 2nd projection part 29 fits into the 2nd fitting port part 39. As shown in FIG. It is configured. Further, the second suction tool 20 has a second suction port 20a.
And the rear end of the second suction tool 20 abuts on the first rib 40, so that the rear part of the second suction tool 20 is in the fourth recess 37. It is configured to be positioned.

  As shown in FIGS. 8 to 11, at the rear part of the third suction tool 30, a first operation part 42 for releasing the engagement between the first suction tool 10 and the second suction tool 20, A second operating portion 48 for releasing the engagement between the second suction tool 20 and the third suction tool 30 is provided rotatably.

  The first operation part 42 releases the engagement between the first pressing part 43 provided so as to be operable from the outside, the first suction tool 10 and the second suction tool 20 and the first suction tool. 10 includes a release portion 44 that pushes 10 upward, and a first arm portion 45 that connects the first pressing portion 43 and the release portion 44. Further, the release portion 44 is configured to protrude from the rear portion of the upper surface of the third suction tool 30. Further, the first operation portion 42 is rotatably held by the third suction tool 30 by a first shaft support portion 46 provided at the lower portion of the first arm portion 45, and the first spring 47. Is biased upward.

  The second operating portion 48 includes a second pressing portion 49 provided so as to be operable from the outside, a push-up portion 50 that pushes up the second suction tool 20 upward, a second pressing portion 49 and a push-up portion 50. The second arm portion 51 is connected to the second arm portion 51, and the extending portion 52 extends upward from the second arm portion 51. Further, the push-up portion 50 is configured to protrude from the rear portion of the upper surface of the third suction tool 30. Furthermore, a second claw portion 53 that is a second engaging portion that engages with the first fitting port portion 28 is provided at the upper end portion of the extending portion 52, and the second claw portion 53 is provided. Is configured to protrude from the side surface of the rear portion of the third suction tool 30. The second operation portion 48 is rotatably held by the third suction tool 30 by a second shaft support portion 54 provided at the lower portion of the second arm portion 51, and the second spring 55. Is urged downward. The second suction tool 20 is held by the third suction tool 30 by fitting the first fitting port portion 28 and the second claw portion 53, and the first fitting port portion 28 and the second fitting tool portion 28. It is configured to be removable from the third suction tool 30 by releasing the fitting with the second claw portion 53.

  About the suction tool for vacuum cleaners comprised as mentioned above, the operation | movement and an effect | action are demonstrated below using FIGS. 1-3 and FIGS. 11-15.

  FIG. 12 is a partial cross-sectional view showing a state in which the engagement between the first suction tool and the second suction tool in Embodiment 1 of the vacuum cleaner suction tool of the present invention is released. FIG. 13 is a partial cross-sectional view showing a state in which the first suction tool in Embodiment 1 of the vacuum cleaner suction tool of the present invention is removed. Furthermore, FIG. 14 is a partial cross-sectional view showing a state in which the engagement between the second suction tool and the third suction tool in Embodiment 1 of the vacuum cleaner suction tool of the present invention is released. FIG. 15 is a partial cross-sectional view showing a state where the second suction tool in Embodiment 1 of the vacuum cleaner suction tool of the present invention is removed.

  As shown in FIG. 1 to FIG. 3 and FIG. 11, the user connects the hose 4 and the extension pipe 3 to the cleaner body 1 and cleans the dust on the surface to be cleaned using the third suction tool 30. In this case, the user connects the first suction tool 10 and the second suction tool 20 to the third suction tool 30 and connects the extension pipe 3 to the connection portion 12 of the first suction tool 10 to be cleaned. Clean the surface dust.

When the user starts operation of the cleaner body 1 to clean the dust on the surface to be cleaned, suction air is generated by an electric blower (not shown). When suction air is generated by an electric blower (not shown), dust on the surface to be cleaned is sucked from the third suction port 30a provided on the lower surface of the third suction tool 30. In a state where the first suction tool 10 and the second suction tool 20 are connected to the third suction tool 30, the third suction port 30 a is provided on the lower surface of the second suction tool 20. Since the suction port 20a and the first suction port 10a provided in the first suction tool 10 communicate with each other, the dust sucked from the third suction port 30a can be removed from the second suction port 20a and the first suction port 10a. It is sucked into the suction part 11 of the first suction tool 10 through the suction port 10a. The dust sucked into the suction part 11 of the first suction tool 10 is sucked into the cleaner body 1 through the connecting part 13, the connection part 12, the extension pipe 3, and the hose 4, and is put into the cleaner body 1. It is collected by a provided dust collecting unit (not shown).

  Next, as shown in FIG. 12 and FIG. 13, when the user cleans the dust on the surface to be cleaned using the first suction tool 10, the user presses the first pressing portion 42 of the first operation unit 42. By pushing down the portion 43 downward, only the first suction tool 10 can be removed from the state in which the first suction tool 10 and the second suction tool 20 are connected to the third suction tool 30. Since the 1st press part 43 and the cancellation | release part 44 are connected by the 1st arm part 45, if the 1st press part 43 of the 1st operation part 42 is pushed down, the 1st arm The portion 45 rotates about the first shaft support portion 46, and the release portion 44 is pushed upward. The release portion 44 pushed upward is brought into contact with a contact portion 27 provided below the first claw portion 25 of the second suction tool 20, and the inner side surface behind the second suction tool 20. Is bent outward of the second suction tool 20 to release the fitting of the first claw portion 25 and the second recess 18 and push the first suction tool 10 upward. Thereby, only the 1st suction tool 10 can be removed from the state where the 1st suction tool 10 and the 2nd suction tool 20 were attached to the 3rd suction tool 30. FIG.

  At this time, since the slit 26 is provided in front of the first claw portion 25, only the portion of the inner side surface of the second suction tool 20 where the first claw portion 25 is provided is curved. The engagement between the first claw portion 25 and the second recess 18 can be released simply by making the engagement between the first suction tool 10 and the second suction tool 20 easy. Can do.

  Further, when the first suction tool 10 is connected to the second suction tool 20, the first protrusion 24 is fitted in the first recess 17 and the first claw portion is fitted in the second recess 18. By fitting 25, the first suction tool 10 can be connected to the second suction tool 20.

  Next, as shown in FIGS. 14 and 15, when the user cleans the dust on the surface to be cleaned using the second suction tool 20, the user presses the second pressing portion of the second operation unit 48. The second suction tool 20 can be removed from the third suction tool 30 in a state where the second suction tool 20 is connected to the first suction tool 10 by pushing the portion 49 downward. Since the second pressing portion 49, the push-up portion 50, and the second claw portion 53 are connected by the second arm portion 51, when the second pressing portion 49 is pushed down, the second arm The part 51 rotates about the second shaft support part 54, the fitting between the second claw part 53 and the first fitting port part 28 is released, and the second suction tool 20 is pushed by the push-up part 50. Is pushed upward. Thereby, the 2nd suction tool 20 can be removed from the 3rd suction tool 30 in the state where the 2nd suction tool 20 was connected to the 1st suction tool 10.

  Further, when the second suction tool 20 is connected to the third suction tool 30, the second protrusion 29 is fitted into the second fitting port 39, and the second suction port 20a is connected to the second suction port 20a. The rib 41 is fitted and the rear end portion of the second suction tool 20 is brought into contact with the first rib 40, whereby the second suction tool 20 is positioned on the third suction tool 30 and the first suction tool 20 is positioned. The second suction tool 20 can be connected to the third suction tool 30 by fitting the second claw portion 53 to the fitting opening 28.

As described above, in the present embodiment, when the user uses the first suction tool 10 to clean the dust on the surface to be cleaned, only the first operation unit 42 is operated. The fitting between the second recess 18 provided in one suction tool 10 and the first claw portion 25 provided in the second suction tool 20 can be easily released. In addition, when the user uses the second suction tool 20 to clean the dust on the surface to be cleaned, the second operation part 48 is simply operated to operate the second suction tool 20 provided with the second suction tool 20. The fitting between one fitting port 28 and the second claw portion 53 provided in the second operation portion 48 can be easily released. Therefore, the switching between the first suction tool 10, the second suction tool 20, and the third suction tool 30 can be easily performed, and the user's convenience can be improved.

  Moreover, since the 1st operation part 42 and the 2nd operation part 48 are provided in the rear part of the 3rd suction tool 30 so that it can operate from the outside, a user can, for example, 1st operation part 42 and 1st The first operation unit 42 and the second operation unit 48 can be operated by a simple operation such as stepping on the second operation unit 48 with a foot, and the user-friendliness can be further improved.

  Further, the first operation unit 42 and the second operation unit 48 are urged by the first spring 47 and the second spring 55, respectively, and the first operation unit 42 and the second operation unit 48 are energized. Automatically returns to the original position, and therefore, after the user operates the first operation unit 42 and the second operation unit 48, the first operation unit 42 and the second operation unit with hands or feet. It is not necessary to return 48 to the original, and usability can be further improved.

  Moreover, when connecting the 1st suction tool 10 to the 2nd suction tool 20, the 1st recessed part provided in the 1st suction tool 10 is made into the 1st provided in the 2nd suction tool 20. By fitting the first claw portion 25 provided in the second suction tool 20 into the second recess 18 provided in the first suction tool 10, Since the 1 suction tool 10 can be connected to the 2nd suction tool 20, the 1st suction tool 10 can be reliably hold | maintained by the 2nd suction tool 20 with a simple structure.

  Furthermore, when connecting the 2nd suction tool 20 to the 3rd suction tool 30, the 2nd projection part 29 is fitted to the 2nd fitting port part 39, and the 2nd suction port 20a is made to 2nd. The second suction tool 20 is positioned on the third suction tool 30 and the second suction tool 20 is brought into contact with the first rib 40 by fitting the rib 41 of the second suction tool 20 and the second suction tool 20. Since the 2nd suction tool 20 can be connected to the 3rd suction tool 30 by making the 2nd nail | claw part 53 fit in the 1 fitting port part 28, the 2nd suction tool 20 is made into 3rd. The suction tool 30 can be reliably held with a simple configuration.

  In addition, the first operation unit 42 releases the fitting between the first suction tool 10 and the second suction tool 20 and pushes up the first suction tool 10 upward. Since the engagement between the first suction tool 10 and the second suction tool 20 can be reliably released, the first suction tool can be kept in a state where the first suction tool 10 and the second suction tool 20 remain engaged. 10 is forcibly removed from the second suction tool 20, and the first suction tool 10, the second suction tool 20, and the first operation unit 42 can be sufficiently prevented from being damaged. Can be improved.

  Further, the second operation unit 48 releases the fitting between the second suction tool 20 and the third suction tool 30 and pushes up the second suction tool 20 upward. And the third suction tool 30 can be reliably released, so that the second suction tool 20 remains engaged with the second suction tool 20 and the third suction tool 30. 20 is forcibly removed from the third suction tool 30, and the second suction tool 20, the third suction tool 30, and the second operation portion 48 can be sufficiently prevented from being damaged, and safety is ensured. Can be improved.

(Embodiment 2)
Embodiment 2 of the vacuum cleaner suction tool of the present invention will be described with reference to FIG. The same parts as those in the first embodiment are denoted by the same reference numerals and the description thereof is omitted.

  FIG. 16: is a fragmentary sectional view which shows Embodiment 2 of the suction tool for vacuum cleaners of this invention.

As shown in FIG. 16, the first suction tool 10 is provided with a first claw portion 25 which is a first engagement portion. A second recess 18 that is a first engaged portion is provided at a position corresponding to the first claw portion 25 of the second suction tool 20. Further, the release unit 44 provided in the first operation unit 42 extends to the second operation unit 48 side, and the first suction tool 10 and the second suction tool 20 are connected by the release unit 44. Is configured to be disengaged.

  About the suction tool for vacuum cleaners comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  When the user cleans the dust on the surface to be cleaned using the first suction tool 10, the user pushes down the first pressing portion 43 of the first operation portion 42, so that the third Only the first suction tool 10 can be removed from the state in which the first suction tool 10 and the second suction tool 20 are connected to the suction tool 30. Since the 1st press part 43 and the cancellation | release part 44 are connected by the 1st arm part 45, if the 1st press part 43 of the 1st operation part 42 is pushed down, the 1st arm The portion 45 rotates about the first shaft support portion 46, and the release portion 44 is pushed upward. The release portion 44 pushed upward is brought into contact with a contact portion 27 provided below the first claw portion 25 and causes the first suction tool 10 to bend inward of the first suction tool 10. Thus, the fitting between the first claw portion 25 and the second recess 18 is released, and the first suction tool 10 is pushed upward. Thereby, only the 1st suction tool 10 can be removed from the state where the 1st suction tool 10 and the 2nd suction tool 20 were attached to the 3rd suction tool 30. FIG.

  As described above, in the present embodiment, when the user uses the first suction tool 10 to clean the dust on the surface to be cleaned, only the first operation unit 42 is operated. The fitting between the second recess 18 provided in one suction tool 10 and the first claw portion 25 provided in the second suction tool 20 can be easily released. In addition, when the user uses the second suction tool 20 to clean the dust on the surface to be cleaned, just by operating the second operation unit 48 as in the first embodiment described above, The fitting between the first fitting port portion 28 provided in the second suction tool 20 and the second claw portion 53 provided in the second operation portion 48 can be easily released. Therefore, the switching between the first suction tool 10, the second suction tool 20, and the third suction tool 30 can be easily performed, and the user's convenience can be improved.

  As mentioned above, although Embodiment 1 and Embodiment 2 of the vacuum cleaner suction tool of this invention were demonstrated, the suction tool for vacuum cleaners of this invention is not limited to Embodiment 1 mentioned above.

  For example, as shown in FIG. 17, the first end portion 56 outside the lower surface of the first operation portion 42 and the second end portion 57 outside the lower surface of the second operation portion 48 are respectively soft members. 58 may be provided. As a result, the first operation unit 42 and the second operation unit 48 are pushed down, and the first end 56 outside the lower surface of the first operation unit 42 and the first operation unit 42 outside the lower surface of the second operation unit 48. Even when the second end portion 57 comes into contact with the surface to be cleaned, the first end portion 56 outside the lower surface of the first operation portion 42 and the second end portion outside the lower surface of the second operation portion 48. Since each of the end portions 57 is provided with the soft member 58, the first end portion 56 outside the lower surface of the first operation portion 42 and the second end portion outside the lower surface of the second operation portion 48. 57 can sufficiently prevent the surface to be cleaned from being damaged. In addition, since the third suction tool 30 can be prevented from moving when the user operates the first operation unit 42 and the second operation unit 48, the user can The operation unit 42 and the second operation unit 48 can be stably operated, and user convenience can be improved.

Moreover, as shown in FIG. 18, between the 1st suction tool 10 and the 2nd suction tool 20, the 1st sealing member 59 comprised from the soft material with high abrasion resistance is provided. Also good. The first sealing member 59 may be provided around the first suction port 10 a provided in the first suction tool 10, and the first suction port 10 a of the second suction tool 20. It may be provided in the part which contacts. Thereby, in a state where the first suction tool 10 is attached to the second suction tool 20, it is possible to more efficiently prevent air from leaking between the first suction tool 10 and the second suction tool 20. The suction force of the vacuum cleaner 100 can be improved. Further, in the configuration in which the first sealing member 59 is provided in the first suction tool 10, when the user cleans the dust on the surface to be cleaned using only the first suction tool 10, The end of the first suction port 10a on the surface to be cleaned can be prevented from coming into contact with the surface to be cleaned and damaging the surface to be cleaned.

  Further, as shown in FIG. 18, a second seal member 60 made of a soft material having high wear resistance is provided between the second suction tool 20 and the third suction tool 30. Also good. The second seal member 60 may be provided around the second suction port 20 a provided in the second suction tool 20, and the second suction port 20 a of the third suction tool 30. It may be provided in the part which contacts. Thereby, in a state where the second suction tool 20 is attached to the third suction tool 30, it is possible to more efficiently prevent air from leaking between the second suction tool 20 and the third suction tool 30. The suction force of the vacuum cleaner 100 can be improved. In the configuration in which the second suction member 20 is provided with the second seal member 60, when the user cleans the dust on the surface to be cleaned using the second suction tool 20, It is possible to prevent the end of the suction port 20a on the cleaned surface side from coming into contact with the cleaned surface and damaging the cleaned surface.

  The vacuum cleaner suction tool of the present invention and the vacuum cleaner using the vacuum cleaner can be easily switched between the first suction tool, the second suction tool, and the third suction tool. Since it becomes possible to improve the usability, it can be suitably applied to the fields and uses of household vacuum cleaners and industrial vacuum cleaners that use vacuum cleaner suction tools.

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner main body 1a Intake port 2 Vacuum cleaner suction tool 3 Extension pipe 4 Hose 5 Hand holding part 6 Connection pipe 7 Wheel 8 Caster 10 First suction tool 10a First suction port 11 Suction part 12 Connection part 13 Connection Part 14 First reinforcing rib 15 First rotation restricting part 16 Second rotation restricting part 17 First recessed part 18 Second recessed part 20 Second suction tool 20a Second suction port 21 Third recessed part 22 2nd reinforcement rib 23 1st brush part 24 1st projection part 25 1st nail | claw part 26 Slit 27 Contact part 28 1st fitting port part 29 2nd projection part 30 3rd suction tool 30a 3rd inlet 31 Upper member 32 Lower member 33 Roller 34 2nd brush part 35 Lip part 36 Operation lever 37 4th recessed part 38 5th recessed part 39 2nd fitting port part 40 1st rib 41 2nd The ribs 42 1 operation section 43 first pressing section 44 release section 45 first arm section 46 first shaft support section 47 first spring 48 second operation section 49 second pressing section 50 push-up section 51 second arm Part 52 extending part 53 second claw part 54 second shaft support part 55 second spring 56 first end part 57 second end part 58 soft member 59 first seal member 60 second seal member

Claims (12)

A first suction tool having a first suction port for sucking dust;
A second suction port that communicates with the first suction port, and a second suction tool that is detachably engaged with the first suction tool;
A third suction port provided with a third suction port communicating with the second suction port, the third suction tool detachably engaged with the second suction tool;
A first operating portion for releasing engagement between the first suction tool and the second suction tool;
A second operating portion for releasing engagement between the second suction tool and the third suction tool;
A vacuum cleaner suction tool.   The vacuum cleaner suction tool according to claim 1, wherein at least one of the first operation part and the second operation part is provided in the third suction tool.   3. The vacuum cleaner suction tool according to claim 1, wherein the first operation part and the second operation part are respectively disposed at a rear part of the third suction tool.   One of the first suction tool and the second suction tool is provided with a first engagement portion that detachably engages the first suction tool and the second suction tool. A first engaged portion that engages with the first engaging portion is provided at a position corresponding to the other first engaging portion. The vacuum cleaner suction tool according to any one of the preceding claims.   The second operating portion is provided with a second engaging portion that detachably engages the second suction tool and the third suction tool, and the second suction tool includes the second suction portion. The position corresponding to a 2nd engaging part is provided with the 2nd to-be-engaged part engaged with the said 2nd engaging part, The any one of Claims 1-4. Vacuum cleaner suction tool.   The said 1st operation part pushes up the said 2nd suction tool upwards while releasing engagement with the said 1st suction tool and the said 2nd suction tool. The vacuum cleaner suction tool according to claim 1.   The said 2nd operation part pushes up the said 3rd suction tool upwards while releasing the engagement with the said 2nd suction tool and the said 3rd suction tool. The vacuum cleaner suction tool according to claim 1.   The vacuum cleaner suction tool according to any one of claims 1 to 7, wherein a first seal member is provided between the first suction tool and the second suction tool.   The vacuum cleaner suction tool according to any one of claims 1 to 8, wherein a second seal member is provided between the second suction tool and the third suction tool.   The vacuum cleaner suction tool according to claim 8 or 9, wherein the first seal member and the second seal member are formed of a soft material having high wear resistance.   The suction for a vacuum cleaner according to any one of claims 1 to 10, wherein a soft material is provided at an end of at least one of the first operation unit and the second operation unit. Ingredients. A vacuum cleaner body with a built-in electric blower that generates suction air;
The vacuum cleaner suction tool according to any one of claims 1 to 11,
Having a vacuum cleaner.