Suction inlet body and electric cleaner

Abstract

The present application provides a kind of suction inlet body and electric dust collector, can ensure dust cleaning performance.Suction inlet body (7) has cleaning body chamber (703), suction air path (700), partition wall (704) and lower part (701).Cleaning body chamber (703) is configured with cleaning body.Suction air path (700) is arranged in either of front and rear relative to cleaning body chamber (703), and has suction inlet (7000) in lower part.Partition wall (704) is located between cleaning body chamber (703) and suction air path (700) and extends along left and right directions.Lower part (701) is at least in left and right directions of partition wall (704).At least the lowest height first part (LI1), the highest height second part (LI2) and the third part (LI3) of intermediate height of first part (LI1) and second part (LI2) are provided in the part of lower end of partition wall (704) and lower part (701).

Description

TECHNICAL FIELD

[0001] The embodiment of the present application relates to a suction port body having a partition wall located between a cleaning body chamber and a suction air path and extending in a left-right direction, and an electric cleaner provided with the suction port body. BACKGROUND

[0002] In the past, in a suction port body for an electric cleaner, a structure in which a cleaning body chamber that houses a rotating cleaning body and a suction air path that has a suction port are arranged in front and back has been known. In this configuration, dust is scraped from a dusted portion by rotation of the rotating cleaning body on the cleaning body chamber side, and the scraped dust is sucked from the suction air path that communicates with the rear portion of the cleaning body chamber to perform dust collection.

[0003] In the case of such a configuration, in order to improve the degree of vacuum of the suction air path, it is necessary to bring the lower end portion of the partition wall that separates the cleaning body chamber and the suction air path close to the dusted portion. On the other hand, if the lower end portion of the partition wall is excessively brought close to the dusted portion, it is difficult to guide dust having a predetermined size such as rice or the like, i.e., particulate garbage, from the cleaning body chamber to the suction air path. That is, the degree of vacuum of the suction air path corresponding to the height of the lower end portion of the partition wall and the dust collection performance of the particulate garbage have a trade-off relationship with each other, and therefore, it is desirable to appropriately set them to ensure the dust collection performance.

[0004] Patent Literature 1: Japanese Patent Application Laid-Open No. 2020-179205 SUMMARY

[0005] The problem to be solved by the present application is to provide a suction port body capable of ensuring dust collection performance and an electric cleaner provided with the suction port body.

[0006] The suction port body of the embodiment is provided with a cleaning body chamber, a suction air path, a partition wall, and a lower surface portion. The cleaning body chamber is provided with a cleaning body. The suction air path is arranged on either one of the front and the rear with respect to the cleaning body chamber, and has a suction port in the lower portion. The partition wall is located between the cleaning body chamber and the suction air path and extends in the left-right direction. The lower surface portion is located at least in the left-right direction of the partition wall. At least a first portion having the lowest height, a second portion having the highest height, and a third portion having an intermediate height between the first portion and the second portion are provided in the portion that extends over the lower end portion of the partition wall and the lower surface portion.

[0007] Effect of the Invention: According to the present application, it is possible to balance the degree of vacuum of the suction air path and the dust collection performance of the particulate garbage. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 Fig. 1 (a) is a front view of a suction port body of a first embodiment, and (b) is a front view that shows a part of the above-mentioned suction port body in an enlarged manner.

[0009] Figure 2 isFigure 3 A cross-sectional view of position II.

[0010] Figure 3 This is a top view of the aforementioned inhalation port from below.

[0011] Figure 4 yes Figure 3 Sectional view at the corresponding position of II-II.

[0012] Figure 5 yes Figure 4 A magnified view of a portion of the image.

[0013] Figure 6 This is a three-dimensional view of the aforementioned inhalation port from below.

[0014] Figure 7 This is a three-dimensional view of the aforementioned inhalation port from above.

[0015] Figure 8 This is a three-dimensional view of an electric vacuum cleaner equipped with the aforementioned suction inlet.

[0016] Figure 9 This is a top view of the inhalation port body according to the second embodiment from below.

[0017] Figure 10 yes Figure 9 Sectional view at position III-III.

[0018] Figure 11 yes Figure 10 A magnified view of a portion of the image.

[0019] Figure 12 (a) is a front view enlarged to show a portion of an example of the inhalation port body of the third embodiment, and (b) is a front view enlarged to show a portion of another example of the inhalation port body described above. Detailed Implementation

[0020] (First Embodiment)

[0021] Hereinafter, the first embodiment will be described with reference to the accompanying drawings.

[0022] exist Figure 8 In this text, VC represents an electric vacuum cleaner. The electric vacuum cleaner VC is powered by the power supply unit 1, which activates the suction source 2. The negative pressure generated by the operation of the suction source 2 draws dust and air into the dust collection unit 3, where the dust separated from the air is collected. In this embodiment, a stick-type electric vacuum cleaner operated by a user is used as an example of the electric vacuum cleaner VC. However, it is not limited to this; the electric vacuum cleaner VC can be any type of electric vacuum cleaner, such as a floor-mounted type, canister type, upright type, or handheld type.

[0023] The power supply section 1 can be a cord reel device that draws power from a commercial power supply, or can be a battery. In the present embodiment, the power supply section 1 is a secondary battery. Thus, the electric vacuum cleaner VC of the present embodiment is of a wireless type. The amount of power supplied from the power supply section 1 to the suction source 2 is set by the control section 4. As the control section 4, a microcomputer is appropriately used.

[0024] The suction source 2 uses, for example, an electric blower. The electric blower is configured to generate a negative pressure by rotating a fan by an electric motor.

[0025] In the present embodiment, the dust collecting section 3 is a cyclone type dust collecting section that centrifugally separates dust by rotating a dust-containing air. The dust collecting section 3 is not limited thereto, and can be a filter, a dust collecting bag, or the like.

[0026] The power supply section 1, the suction source 2, and the control section 4 are disposed in the cleaner main body 5. The dust collecting section 3 can be disposed in the cleaner main body 5, or can be disposed at a position separate from the cleaner main body 5. In the present embodiment, the dust collecting section 3 is detachable with respect to the cleaner main body 5.

[0027] The cleaner main body 5 is formed with a main body suction inlet 50. The main body suction inlet 50 communicates with the suction side of the suction source 2. In the present embodiment, the main body suction inlet 50 communicates with the suction side of the suction source 2 via the dust collecting section 3 mounted to the cleaner main body 5. Further, the cleaner main body 5 is formed with a grip portion 51 for a user to grip and perform a dust collecting operation. The grip portion 51 is provided with an operation setting section 52 such as a button operated by the user. The operation setting section 52 generates a signal that sets the operation of the suction source 2 in accordance with the operation of the user, and outputs the signal to the control section 4. The control section 4 receives the output signal, and causes the suction source 2 to operate in accordance with the signal. The control section 4 appropriately uses a microcomputer or the like. Further, the cleaner main body 5 is formed with a main body exhaust port 53. The main body exhaust port 53 communicates with the exhaust side of the suction source 2.

[0028] The suction air path section 6 is connected to the main body suction inlet 50 of the cleaner main body 5. The suction air path section 6 is a path section that causes the negative pressure generated by the operation of the suction source 2 to act on the cleaning target portion CL. The suction air path section 6 is appropriately set in accordance with the type of the electric vacuum cleaner VC. In the case of a stick type electric vacuum cleaner VC, the suction air path section 6 is constituted by an extension pipe 60 and an attachment device 61. The suction air path section 6 is not limited thereto, and can further include a flexible hose body, or can include only the attachment device 61, in accordance with the type of the electric vacuum cleaner VC.

[0029] The extension tube 60 is formed into a long strip. One end of the extension tube 60 is connected to the main body suction port 50, and the other end is connected to the auxiliary device 61. By maintaining the distance between the vacuum cleaner main body 5 and the auxiliary device 61, the user can vacuum the dusty parts CL such as the ground in a standing position while using the electric vacuum cleaner VC.

[0030] As an accessory 61, various accessories corresponding to the vacuuming purpose can be selectively used. In this embodiment, the accessory 61 is the suction inlet 7. The suction inlet 7, also called a floor brush, vacuum head, or suction head, is an accessory that sucks up dust while moving along the surface being vacuumed, such as the floor. Furthermore, the following description will be based on the user's view when the suction inlet 7 is placed on a horizontal surface being vacuumed, CL. Figures 1 to 7 In the diagram, the upward direction is represented by arrow U, the downward direction by arrow D, the forward direction by arrow FR, the backward direction by arrow RR, the left direction by arrow L, and the right direction by arrow R.

[0031] The inhalation port 7 has a main body 70. The main body 70 is a shell formed from a component such as synthetic resin. The main body 70 is longer in the left-right direction than in the front-back direction, i.e., it is horizontally elongated. A connecting pipe 71 is connected to the rear of the main body 70. Figure 8 As shown, the connecting pipe 71 is a pipe that connects the suction port 7 to the suction source 2. In this embodiment, the connecting pipe 71 can be connected to the main body suction port 50 via the extension pipe 60 or directly. The connecting pipe 71 is located at the center of the rear part of the main body 70 in the left-right direction.

[0032] In addition, multiple chambers are formed in the main body section 70. For example... Figure 3 as well as Figure 4 As shown, an suction air passage 700, serving as a chamber, is formed in the main body 70. The suction air passage 700 is a suction chamber formed in a slender shape along the length of the main body 70, i.e., in the left-right direction. The suction air passage 700 is connected to the suction source 2 ( Figure 8 (As shown) The main airflow path connects and attracts dust. The suction airflow path 700 has a suction inlet 7000 at the bottom that opens toward the dust-collecting part CL. The suction inlet 7000 is for the suction source 2 ( Figure 8 The negative pressure generated (as shown) acts directly on the part of the vacuuming section CL. The suction inlet 7000 is formed entirely or almost entirely throughout the lower part of the suction air passage 700. That is, the suction inlet 7000 is formed in a long strip shape in the left-right direction.

[0033] In the present embodiment, the suction air passage 700 is formed so as to gradually widen in the front-rear direction from both sides in the left-right direction toward the center. In the illustrated example, the suction air passage 700 has, at the center in the left-right direction, a first air passage portion 7001 that is the widest portion in the front-rear direction, i.e., a maximum width portion, and a second air passage portion 7002 that is formed so as to gradually widen in the front-rear direction toward the first air passage portion 7001, connected to both sides in the left-right direction of the first air passage portion 7001. In the present embodiment, the left-right direction lengths of the first air passage portion 7001 and the second air passage portion 7002 are substantially equal to each other. Further, it is preferable that the suction air passage 700 be opened so as to communicate with the outside air at both sides in the left-right direction of the main body portion 70. In the illustrated example, a third air passage portion 7003 is connected and formed at the second air passage portion 7002. The third air passage portion 7003 is formed so as to extend linearly in the left-right direction. The third air passage portion 7003 is connected to the narrowest portion in the front-rear direction of the second air passage portion 7002. The width of the third air passage portion 7003 in the front-rear direction is set to be equal to the narrowest portion in the front-rear direction of the second air passage portion 7002. The side portion of the third air passage portion 7003 is a side opening portion 7004 that is opened so as to communicate with the outside air at the side portion in the left-right direction of the main body portion 70.

[0034] Further, as shown in Figure 2 , the top surface 7005 of the suction air passage 700 is set so as to be lower at both sides in the left-right direction than other portions. In the illustrated example, the top surface 7005 is inclined so as to gradually become higher from both sides in the left-right direction toward the center. That is, the top surface 7005 of the suction air passage 700 is formed so as to become highest at the center in the left-right direction. In the present embodiment, a highest portion 70050 that is the highest in height, and an inclined portion 70051 connected to both sides of the highest portion 70050 are provided at the top surface 7005. In the illustrated example, the highest portion 70050 is the top surface at the position of the first air passage portion 7001 of the suction air passage 700, and the inclined portion 70051 is the top surface that is connected across the second air passage portion 7002 and the third air passage portion 7003. In the present embodiment, the highest portion 70050 is formed so as to extend in the left-right direction. The inclined portion 70051 is inclined at a fixed or substantially fixed slope from both sides in the left-right direction of the highest portion 70050 to the side opening portion 7004.

[0035] Further, hereinafter, the "height" in the present embodiment is defined by the height from a prescribed reference surface. The prescribed reference surface is a horizontal surface that has a prescribed up-down direction positional relationship with respect to the cleaned portion CL. In Figure 1 (a) and Figure 2 , an example is shown in which a planar cleaned portion CL that grounds the ground contacting portion 72 provided at the lower portion of the main body portion 70 is taken as the reference surface. That is, in the case of a hard cleaned portion CL such as a horizontal floor, the surface or cleaned surface itself becomes the prescribed reference surface.

[0036] like Figure 3 as well as Figure 6 As shown, in this embodiment, the grounding portion 72 is provided with driving wheels 720 and 721, a sealing member 722, and a sliding member 723.

[0037] The travel wheel 720 is a travel wheel with a larger diameter than the travel wheel 721. The travel wheel 720 is located below the connecting pipe 71 at the rear of the main body 70. The travel wheel 720 is located at the center of the rear of the main body 70 in the left-right direction and can be rotatably mounted in the front-back direction.

[0038] The travel wheel 721 is rotatably mounted on the main body 70 in the front-to-back direction. The travel wheel 721 is positioned at the rear of the suction air passage 700. In the illustrated example, the axis of the travel wheel 721 is located further rearward than the suction air passage 700. The travel wheel 721 is located at the lower part of the main body 70, separated in the left-to-right direction, and coaxially arranged. In this embodiment, the travel wheel 721 is positioned close to the rear of each of the third air passage sections 7003. It is configured to support the suction inlet body 7 or the main body 70 at three points: the travel wheel 720, the travel wheel 721, and the travel wheel 721.

[0039] The sealing component 722 positions the rear side of the suction inlet 7000 relative to the suction part CL ( Figure 2 (As shown) Sealing. The sealing member 722 is disposed along the rear of the suction air passage 700. The sealing member 722 is located near the suction inlet 7000. The sealing member 722 is arranged in a long strip-like configuration in the left-right direction. In this embodiment, the sealing member 722 is connected to the first air passage portion 7001 and two second air passage portions 7002 throughout the suction air passage 700. The left and right sides of the sealing member 722 are respectively close to the travel wheel 721. The travel wheel 721 is located along the length direction of the sealing member 722, i.e., the left-right extension. In this embodiment, the axis of the travel wheel 721 is located along the left-right extension of the sealing member 722. In the illustrated example, the sealing member 722 and the travel wheels 721 form a grounding portion 72 that is substantially connected in the left-right direction throughout the rear of the suction air passage 700 or the suction inlet 7000. The sealing member 722 is formed, for example, by densely packed, wall-like bristles.

[0040] The sliding member 723 is positioned at the front of the suction air passage 700. In the illustrated example, the sliding member 723 is located at the lower part of the main body 70 and is separated in the left-right direction. In this embodiment, the sliding member 723 is positioned close to the front of each of the third air passage sections 7003. The sliding member 723 extends along both sides in the left-right direction at the lower part of the main body 70 and in the front-back direction. The sliding member 723 is made of non-woven fabric or the like.

[0041] A flat lower face portion 701 is formed in the lower portion of the main body portion 70. The lower face portion 701 is located in the front portion and the rear portion of the suction air passage 700, respectively. The lower face portion 701 is a face-shaped portion that can come into contact with a dusted portion such as a long pile carpet. In the present embodiment, a front side lower face portion 7010 located in the front portion of the suction air passage 700 and a rear side lower face portion 7011 located in the rear portion of the suction air passage 700 are provided in the lower face portion 701. In the illustrated example, the front side lower face portion 7010 and the rear side lower face portion 7011 are located on the same plane. That is, the height of the front side lower face portion 7010 from the dusted portion CL is identical or substantially identical to the height of the rear side lower face portion 7011 from the dusted portion CL.

[0042] The front side lower face portion 7010 is formed so as to extend forward from the positions of the both side portions in the left-right direction of the suction air passage 700. In the illustrated example, the front side lower face portion 7010 is contiguous with the front portion of the third air passage portion 7003 of the suction air passage 700. The length of the front side lower face portion 7010 in the left-right direction is set to be smaller than the length of the third air passage portion 7003 in the left-right direction. The sliding members 723 are provided in the front side lower face portion 7010, respectively.

[0043] The rear side lower face portion 7011 has the first rear side lower face portion 70110 extending rearward from the positions of the both side portions in the left-right direction of the suction air passage 700, and the second rear side lower face portion 70111 extending in the left-right direction between the first rear side lower face portions 70110.

[0044] The first rear side lower face portion 70110 is contiguous with the rear portion of the third air passage portion 7003 of the suction air passage 700. Thus, the third air passage portion 7003 of the suction air passage 700 is sandwiched between the front side lower face portion 7010 and a portion of the rear side lower face portion 7011, namely the first rear side lower face portion 70110, in the front-rear direction. The length of the first rear side lower face portion 70110 in the left-right direction is set to be substantially equal to the length of the third air passage portion 7003 in the left-right direction. In the present embodiment, the length of the first rear side lower face portion 70110 in the left-right direction is set to be longer than the length of the front side lower face portion 7010 in the left-right direction. The travel wheels 721 are provided in the first rear side lower face portion 70110, respectively.

[0045] Further, the second rear side lower face portion 70111 is connected to the first rear side lower face portion 70110 in a coplanar manner, and is contiguous with the rear portions of the second air passage portion 7002 and the first air passage portion 7001 of the suction air passage 700. The sealing members 722 are provided in the second rear side lower face portion 70111. The sealing members 722 are provided along the front portions of the second rear side lower face portion 70111. Further, the central portions of the rear portions of the second rear side lower face portion 70111 in the left-right direction protrude rearward, and the travel wheels 720 are provided in the protruding portions thereof.

[0046] Further, the suction air passage 700 communicates with a communication chamber 702 which is a chamber. The communication chamber 702 is located at a position adjacent to the rear portion of the suction air passage 700. The communication chamber 702 extends in the front-rear direction, is continuous with the rear portion of the main body portion 70, and communicates with the connection pipe 71. That is, the communication chamber 702 communicates the suction air passage 700 with the connection pipe 71. The suction air passage 700 communicates with the suction source 2 (shown in FIG. 1) via the communication chamber 702 and the connection pipe 71. In the present embodiment, the communication chamber 702 communicates with the suction air passage 700 at a position of the central portion in the left-right direction. As shown in FIG. 7, the communication chamber 702 communicates with the suction air passage 700 at a position of the highest portion 70050 of the top surface 7005. Figure 8 As shown in FIG. 7, the communication chamber 702 communicates with the suction air passage 700 at a position of the highest portion 70050 of the top surface 7005. Figure 2

[0047] Further, as shown in FIG. 7, the suction air passage 700 communicates with a cleaning body chamber 703 which is a chamber. The cleaning body chamber 703 is located at a position adjacent to the front portion of the suction air passage 700, and is located at the frontmost portion of the main body portion 70. The cleaning body chamber 703 is formed in a long shape extending in the left-right direction, like the suction air passage 700. The cleaning body chamber 703 is located between the front side lower portion 7010, 7010 of the lower portion 701 of the main body portion 70. In the present embodiment, the length of the cleaning body chamber 703 in the left-right direction is set to be shorter than the length of the suction air passage 700 in the left-right direction. Preferably, the cleaning body chamber 703 has a length in the left-right direction which at least covers the two second air passage portions 7002 and the first air passage portion 7001 of the suction air passage 700. In the present embodiment, the cleaning body chamber 703 is formed in a range in which the left and right side portions thereof slightly overlap the third air passage portion 7003 of the suction air passage 700 in the left-right direction. Figure 3 Figure 4 A partition wall 704 is formed between the cleaning body chamber 703 and the suction air passage 700. The partition wall 704 is formed so as to extend in the left-right direction. The cleaning body chamber 703 communicates with the suction air passage 700 or the suction port 7000 via a communication air passage 7040 formed at a lower end portion of the partition wall 704.

[0048] The partition wall 704 is formed between the front side lower portion 7010 of the lower portion 701 of the main body portion 70. That is, at least a portion of the lower portion 701, and in the present embodiment, the front side lower portion 7010 is located on the extension of the left-right direction of the partition wall 704. As shown in FIG. 7, the partition wall 704 is formed so as to extend in the left-right direction, and is formed so as to be continuous with the front side lower portion 7010 of the lower portion 701 of the main body portion 70.

[0049] The partition wall 704 is formed between the front side lower portion 7010 of the lower portion 701 of the main body portion 70. That is, at least a portion of the lower portion 701, and in the present embodiment, the front side lower portion 7010 is located on the extension of the left-right direction of the partition wall 704. As shown in FIG. 7, the partition wall 704 is formed so as to extend in the left-right direction, and is formed so as to be continuous with the front side lower portion 7010 of the lower portion 701 of the main body portion 70. Figure 2 ​​As shown, the lower end portion of the partition wall 704 is set to a height of the lower face portion 701 or more. In the present embodiment, a plurality of portions having different heights are provided at the lower end portion of the partition wall 704. The lower end portion of the partition wall 704 is stepped. In the illustrated example, two height setting portions 7041, 7042 are formed at the lower end portion of the partition wall 704. One of the height setting portions 7041 is located at the central portion in the left-right direction at the lower end portion of the partition wall 704. The height setting portion 7041 is connected in a long strip shape in the left-right direction. The height setting portion 7042 is provided in connection with both side portions in the left-right direction of the height setting portion 7041. The height setting portion 7042 is located at both side portions in the left-right direction at the lower end portion of the partition wall 704. The length in the left-right direction of the height setting portion 7042 is set to be shorter than the length in the left-right direction of the height setting portion 7041. In the present embodiment, the height of the partition wall 704 gradually changes in the left-right direction at the portion where the height setting portion 7041 and the height setting portion 7042 are connected. That is, the portion where the height setting portion 7041 and the height setting portion 7042 are connected is inclined in such a manner that the height gradually increases from the height setting portion 7042 side to the height setting portion 7041 side.

[0050] Also, in the present embodiment, three or more portions having different heights are set at the portion where the lower end portion of the partition wall 704 and the lower face portion 701 of the main body portion 70 are connected, by the height setting portions 7041, 7042 of the lower end portion of the partition wall 704 and the lower face portion 701 of the main body portion 70. In the illustrated example, at least the first portion LI1 having the lowest height, the second portion LI2 having the highest height, and the third portion LI3 having an intermediate height between the first portion LI1 and the second portion LI2 are set at the portion where the lower end portion of the partition wall 704 and the lower face portion 701 are connected. That is, regarding the height H1 of the first portion LI1, the height H2 of the second portion LI2, and the height H3 of the third portion LI3, as shown in Figure 1 (b) and Figure 5 As shown, H1 < H3 < H2. The intermediate height of the first portion LI1 and the second portion LI2 means an arbitrary height that is higher than the height H1 of the first portion LI1 and lower than the height H2 of the second portion LI2. Thus, by the lower end portions of the first portion LI1, the second portion LI2, and the third portion LI3, a continuous outer line in the shape of a broken line having steps in the up-down direction as viewed from the front-rear direction, that is, a line LI is formed. Figure 1In (b) of FIG. 10, the line LI is indicated by a double-dot chain line for clear illustration. In addition, these heights H1, H2, H3 are heights from the above-described prescribed reference surface, and are maximum heights or effective heights or average heights of the first portion LI1, the second portion LI2, and the third portion LI3. The effective height means the maximum height at which the first portion LI1, the second portion LI2, and the third portion LI3 can achieve their respective functions. For example, in the case where the first portion LI1, the second portion LI2, and the third portion LI3 respectively extend in a horizontal shape along the left-right direction as in the present embodiment, the height of the portion extending in a horizontal shape along the left-right direction from the prescribed reference surface is defined as the height H1, H2, H3.

[0051] In the present embodiment, the heights H1, H2, H3 are respectively set to be fixed or substantially fixed.

[0052] Further, as shown in (a) of FIG. 10 and (a) of FIG. 11, in the present embodiment, the first portion LI1 is located at both sides in the left-right direction, the second portion LI2 is located at the center in the left-right direction, and the third portion LI3 is located between the first portion LI1 and the second portion LI2. Therefore, the line LI formed by the lower end portions of these first portion LI1, second portion LI2, and third portion LI3 is a line that rises in a stepped manner from the side portions toward the center in the left-right direction. Figure 1 Figure 3

[0053] The first portion LI1 is a portion in the line LI that is closest to the dust collection portion CL in a state where the suction inlet body 7 is placed on the dust collection portion CL. In the illustrated example, the first portion LI1 is formed by at least a portion of the lower surface portion 701. In the present embodiment, the first portion LI1 is formed by at least a portion of the front lower surface portion 7010. That is, the height H1 of the first portion LI1 coincides or substantially coincides with the height of at least the front lower surface portion 7010 of the lower surface portion 701. A planar portion that extends substantially uniformly along the front-rear and left-right directions including the first portion LI1 is formed by the front lower surface portion 7010. Further, in the present embodiment, at least a portion of the third air passage portion 7003 of the suction air passage 700 is present at a position corresponding to the first portion LI1 or an adjacent position. In the illustrated example, the left-right direction length W1 of the first portion LI1 is smaller than the left-right direction length of the third air passage portion 7003. A portion of the ground contacting portion 72, at least a portion of the travel wheel 721, and the sliding member 723 in the present embodiment are located within the left-right direction width of the first portion LI1 as viewed in the front-rear direction. The left and right first portions LI1, LI1 can have the same or different left-right direction lengths W1.

[0054] ​​The second portion LI2 is a portion of the line LI that is separated most upward from the dusted portion CL in a state where the suction port body 7 is placed on the dusted portion CL of a floor or a carpet or the like. The second portion LI2 is formed by the height setting portion 7041 of the partition wall 704. That is, the second portion LI2 is a rib shape having a thickness in the front-rear direction. The second portion LI2 is formed longer in the left-right direction than the first portion LI1 and the third portion LI3. That is, regarding the length W1 in the left-right direction of the first portion LI1, the length W2 in the left-right direction of the second portion LI2, and the length W3 in the left-right direction of the third portion LI3, W1 < W2 and W3 < W2. In the present embodiment, the length W2 in the left-right direction of the second portion LI2 is one-half or more of the length in the left-right direction of the entire line LI or the length in the left-right direction of the main body portion 70. In a position corresponding to the second portion LI2 or an adjacent position, there is the first air path portion 7001 that is the widest portion in the front-rear direction of the suction air path 700. In the present embodiment, the left and right side portions in the left-right direction of the second portion LI2 are positioned further to the left and right direction than the first air path portion 7001. The left and right side portions in the left-right direction of the second portion LI2 are positioned in a position corresponding to the second air path portion 7002 of the suction air path 700 or an adjacent position.

[0055] The third portion LI3 is formed by the height setting portion 7042 of the partition wall 704. That is, the third portion LI3 is a rib shape having a thickness in the front-rear direction. Figure 5 The height H3 of the illustrated third portion LI3 can be arbitrarily set as long as it is higher than the height H1 of the first portion LI1 and lower than the height H2 of the second portion LI2. Preferably, the height H3 of the third portion LI3 is set to be separated upward from the dusted portion CL in a state where the suction port body 7 is placed on the dusted portion CL of a floor or a carpet or the like. More preferably, the height H3 of the third portion LI3 is set to be a height at which a gap through which dust having a prescribed size, such as a grain of rice or the like, that is, a granular waste, can pass is not formed between the third portion LI3 and the dusted portion CL. In the present embodiment, the height H3 of the third portion LI3 is set to be a value lower than the central value of the height H1 of the first portion LI1 and the height H2 of the second portion LI2.

[0056] Further, as Figure 3As shown, the third portion LI3 is in a range that overlaps the left and right sides of the sealing member 722 in the left and right direction as viewed in the front and back direction. The length W3 of the third portion LI3 in the left and right direction can be larger than the length W1 of the first portion LI1 in the left and right direction, can be smaller than the length W1, or can be the same as or approximately the same as the length W1. Further, in the present embodiment, at least a portion of the second air path portion 7002 and at least a portion of the third air path portion 7003 of the suction air path 700 are present at a position corresponding to the third portion LI3 or an adjacent position. The lengths W3 of the left and right third portions LI3 in the left and right direction can be the same or different.

[0057] Further, the lengths W1, W2, W3 refer to the minimum length or minimum effective length in the left and right direction of the first portion LI1, the second portion LI2, and the third portion LI3. The minimum effective length refers to the minimum length at which the first portion LI1, the second portion LI2, and the third portion LI3 can achieve their functions. For example, in the case of the second portion LI2 and the third portion LI3 in which the length in the left and right direction gradually changes in the up and down direction or the end portion in the left and right direction is chamfered as in the present embodiment, the length is defined with the portion in which the length in the left and right direction is the shortest or the portion other than the chamfered portion. In the illustrated example, the lengths W1, W2, W3 are defined with the length of the portion in which the first portion LI1, the second portion LI2, and the third portion LI3 extend linearly in the left and right direction, respectively.

[0058] Further, as shown in Figure 3 and Figure 4 As shown, the cleaning body 73 as a driving portion is movably arranged in the cleaning body chamber 703. In the present embodiment, the cleaning body 73 is a rotating cleaning body having an axis in the left and right direction and being rotatable in the front and back direction. The cleaning body 73 includes a shaft body 730. The shaft body 730 is formed in a columnar shape and both end portions thereof are rotatably supported to the main body portion 70. A cleaning member 731 is arranged outside the shaft body 730. The cleaning member 731 scrapes dust from the dust suction portion CL in conjunction with the rotation of the cleaning body 73. In the present embodiment, the cleaning member 731 is a brush in which fine bristles are densely arranged. The cleaning member 731 is separately arranged at a plurality of positions in the circumferential direction of the shaft body 730.

[0059] The cleaning member 731 integrally collects the base end portion of the brush to the shaft body 730, and the leading end portion side extends radially from the shaft body 730. The cleaning member 731 is connected in a wall shape between the both end portions of the shaft body 730. Preferably, the cleaning member 731 is held to the shaft body 730 in a state of being twisted in a spiral shape. The end portion of the cleaning member 731 of the cleaning body 73 is in a range that overlaps the third portion LI3 in the left and right direction as viewed in the front and back direction.

[0060] Further, as shown inFigure 4 As shown, for at least one of the cleaning components 731, the protrusion length from the shaft 730 is set such that, when located at the lower part of the cleaning body 73, it extends further downward than the lower part 701 of the main body 70. In this embodiment, the cleaning components 731 include a first cleaning component 731a with a small protrusion from the shaft 730 and a second cleaning component 731b with a large protrusion from the shaft 730. In the illustrated example, the first cleaning component 731a and the second cleaning component 731b are alternately arranged in the circumferential direction of the shaft 730, i.e., the rotational direction of the cleaning body 73.

[0061] Cleaning body 73 by Figure 7 The motor 74 shown is driven by, for example, the power supply unit 1 ( Figure 8 (As shown) it receives power and operates. The operation of the motor 74 is controlled by the drive control unit 75. The drive control unit 75 operates according to the action setting unit 52 (set by the user). Figure 8 The signal (shown) sets the operation of the motor 74. The power of the motor 74 is transmitted to the sweeping body 73 via a transmission unit consisting of gears, pulleys, and a timing belt, causing the sweeping body 73 to rotate. Preferably, the motor 74 causes the sweeping body 73 to rotate... Figure 4 The counter-clockwise direction indicated by arrow A represents the forward rotation of the inlet body 7 during its forward movement. These motors 74 and drive control units 75 are housed in motor chambers 705 and control chambers 706, which are formed within the main body 70. Motor chambers 705 and control chambers 706 are, for example, located on either side of the connecting pipe 71 at the rear of the main body 70. The motor chambers 705 and control chambers 706 are located within the main body 70 from... Figure 3 The suction air path 700 shown is divided into left and right sides of the connecting chamber 702 from top to rear, and is adjacent to the cleaning chamber 703 in front and behind through the partition 704.

[0062] Furthermore, preferably, such as Figure 1 of (a), Figure 1 (b) Figure 3 as well as Figure 4 As shown, a protrusion 76 is formed on the surface of the cleaning chamber 703 side of the partition 704. The protrusion 76 has a dust removal function, removing dust from at least one of the cleaning components 731 of the cleaning body 73 that adhere to it during the rotation of the cleaning body 73. The protrusion 76 is located at a position that can contact at least one of the cleaning components 731 of the cleaning body 73. In this embodiment, the protrusion 76 has a surface direction in the left-right direction and extends along the front-back direction and the up-down direction. In the illustrated example, the protrusion 76 is formed along the up-down direction or the rotation direction of the cleaning body 73.

[0063] Preferably, the protrusions 76 are arranged in a plurality of portions separated in the axial direction of the cleaning body 73, i.e., the left-right direction. In the present embodiment, the protrusions 76 are arranged intermittently in at least the width of the cleaning body chamber 703 corresponding to the cleaning body 73. In the illustrated example, the protrusions 76 are arranged intermittently in substantially the entire width of the cleaning body chamber 703. Preferably, the protrusions 76, 76 are arranged at equal intervals or substantially equal intervals. These protrusions 76 are arranged in parallel or substantially parallel to each other. By the plurality of protrusions 76, the surface of the cleaning body chamber 703 opposite the cleaning body 73 is alternately arranged in a comb-tooth shape in the left-right direction to form the front and rear concavities and convexities. In addition, the protrusions 76 have the function of reinforcing the partition wall 704.

[0064] In addition, preferably, the front portion of the cleaning body chamber 703 is configured to mount the cover body 77 as a front cover with respect to a front opening portion 707 that communicates with the outside of the main body portion 70. The front opening portion 707 is located at the foremost portion of the housing of the main body portion 70. The front opening portion 707 communicates with the suction port 7000 via the cleaning body chamber 703. In the present embodiment, the cover body 77 is arranged to be able to rotate in the front-rear direction.

[0065] In addition, preferably, as shown in Figs. 9 and 10, the cover body 77 is arranged to be able to rotate in the front-rear direction. Figure 4 Figure 6 and Figure 7 As shown in Figs. 9 and 10, a plurality of protrusions 770 are formed at the lower end portion of the cover body 77. The protrusions 770 bulge toward the direction in which the opening area of the front opening portion 707 between the lower end portion of the cover body 77 and the dust collection portion CL narrows, i.e., the lower side, i.e., the dust collection portion CL side. The protrusions 770 have the effect of increasing the degree of vacuum of the cleaning body chamber 703. Depending on the presence or absence of these protrusions 770, the upper and lower concavities and convexities are alternately arranged in the left-right direction at the lower end portion of the cover body 77.

[0066] The protrusions 770 are formed in a shape extending in the left-right direction, i.e., the direction of the two sides of the cover body 77. That is, the left-right dimension of the protrusions 770 is larger than the protruding dimension, i.e., the upper-lower dimension. In addition, in the present embodiment, the protrusions 770 are formed in a shape in which the width gradually narrows from the base end portion toward the front end portion. The protrusions 770 are formed in a trapezoidal shape in which the lower side is shorter than the upper side when viewed from the front. In the present embodiment, in the normal state in which the cover body 77 does not rotate, the height of the lower end portion of the protrusions 770 is substantially the same as the height H3 of the third portion LI3.

[0067] In addition, preferably, the protrusions 770 are arranged intermittently at the lower end portion of the cover body 77 between the left and right side portions. For example, the protrusions 770 are arranged at the lower end portion of the cover body 77 at positions other than the central portion and positions other than the two side portions between the left and right side portions. Thus, non-arrangement portions in which the protrusions 770 are not arranged are respectively provided at the left and right side portions of the lower end portion of the cover body 77.

[0068] ​Further, in the present embodiment, the protrusions 770 are arranged left and right equally with the central portion of the lower end portion of the cover 77 as a reference.

[0069] Preferably, a convex shape 771 is formed in the front portion of the cover 77. The convex shape 771 improves the strength of the cover 77, and increases the design feature on the cover 77 to improve the aesthetic appearance. The convex shape 771 is formed in a linear shape continuously in the left and right direction of the cover 77, i.e., the length direction of the cover 77. In the present embodiment, the convex shape 771 is formed continuously in the left and right direction of the front portion of the cover 77. Further, a plurality of convex shapes 771 are arranged in the short side direction of the cover 77, i.e., the up and down direction.

[0070] Further, preferably, a rear protrusion 773 protruding toward the rear, i.e., the cleaning body 73 side is formed in the lower end portion of the cover 77. In the present embodiment, the rear protrusion 773 is formed between the protrusions 770 and the protrusions 770. In the illustrated example, the rear protrusion 773 is continuously connected in the left and right direction of the cover 77, but can also be formed discontinuously in the left and right direction.

[0071] Next, the operation of the first embodiment will be described.

[0072] When the user operates the operation setting portion 52 during suctioning, a signal to operate the suction source 2 is output to the control portion 4, and the control portion 4 drives the suction source 2 with the set operation. The negative pressure generated by the driving of the suction source 2 acts on the suction air passage portion 6 from the main body suction inlet 50 via the dust collecting portion 3. Therefore, the user moves the electric cleaner VC back and forth by holding the holding portion 51, and moves the suction inlet body 7 back and forth over the cleaned portion CL of the room or the like as the object of suctioning, and sucks the dust and air together by the negative pressure acting from the suction inlet 7000.

[0073] The negative pressure acting from the suction inlet 7000 sucks the dust and air together into the suction air passage 700. In the present embodiment, the dust and air are sucked into the suction air passage 700 directly or from the cleaning body chamber 703 via the communication air passage 7040 by also acting the negative pressure on the cleaning body chamber 703 which communicates with the suction air passage 700. The dust-containing air is sucked into the dust collecting portion 3 from the extension pipe 60 via the main body suction inlet 50 via the communication chamber 702 and the connection pipe 71, and the dust is separated and collected in the dust collecting portion 3. The air from which the dust has been separated is discharged to the outside of the cleaner main body 5 from the main body air outlet 53.

[0074] The user drives the cleaning body 73 as needed to scrape dust from the dusted portion CL such as a carpet, and sucks the scraped dust, whereby the dusted portion CL can be more cleanly cleaned. When the cleaning body 73 is used, if the operation action setting portion 52 is operated, the drive control portion 75 causes the motor 74 to operate, the power of the motor 74 is transmitted to the cleaning body 73 via the transmission unit, and the cleaning body 73 is driven. In the present embodiment, the cleaning body 73 rotates as indicated by the arrow A, and dust is scraped by the cleaning member 731 that enters the dusted portion CL. As to a part of the cleaning member 731, the second cleaning member 731b in the present embodiment, dust is removed by being flicked off by contact with the protruding portion 76 at the time of rotation of the cleaning body 73. At the time of such rotation of the cleaning body 73, dust is also sucked up by the suction air path 700.

[0075] As to the suction air path 700 and the cleaning body chamber 703, in the present embodiment, the first portion LI1 in which the height H1 is the lowest is close to the dusted portion CL in the portion constituted by the lower end portion of the partition wall 704 and the position on the extension of the partition wall 704 in the lower surface portion 701 on the left and right of the partition wall 704, whereby the degree of vacuum in the suction air path 700 is maintained higher. Further, the second portion LI2 in which the height is the highest is separated from the dusted portion CL, and granular garbage can be effectively sucked in from the position of the second portion LI2.

[0076] At this time, the first portion LI1 is close to the dusted portion CL of a carpet or the like in which the pile is long, and thus there is a possibility of contact, and in the case of contact, there is a possibility that the function as the air path that sucks in dust will be reduced. On the other hand, the second portion LI2 is largely opened in the up-and-down direction with respect to the dusted portion CL, and thus although it functions as the air path that sucks in dust even for the dusted portion CL of a carpet or the like in which the pile is long, since the opening is large, there is a concern that the wind speed will not increase, and that lighter dust or the like will be scattered.

[0077] Thus, in the present embodiment, the third portion LI3 of an intermediate height between the first portion LI1 and the second portion LI2 is formed in the portion of the lower end portion of the partition wall 704 and the lower surface portion 701 on the extension in the left-and-right direction of the partition wall 704, whereby even for the dusted portion CL of a carpet or the like in which the pile is long, a very small gap can be maintained by the third portion LI3, and the function as the air path that sucks in dust can be performed, and compared to the second portion LI2, the opening in the up-and-down direction with respect to the dusted portion CL is narrow, and thus the wind speed of the sucked air can be increased, and a flow of high-speed wind can be formed. Thus, both granular garbage that requires a large opening and a degree of vacuum, and fine dust that requires a rapid flow of air and a degree of vacuum can be efficiently sucked up, respectively, and the cleaning performance is improved.

[0078] Further, at least a part of the lower portion 701, at least a part of the front lower portion 7010 in the embodiment forms the first portion LI1, and thus, it is possible to seal the gap between the cleaning target CL and the main body 70 in the up-down direction of the main body 70 of the suction port body 7 with a larger area of the bottom of the main body 70 of the suction port body 7, and thus, it is possible to more highly maintain the vacuum degree of the suction air passage 700.

[0079] Further, in general, when the user sucks the granular garbage, in order to aim at the central portion in the left-right direction of the suction port body 7, the suction port body 7 is moved, and thus, the first portion LI1 is arranged at both sides in the left-right direction, the second portion LI2 is arranged at the central portion in the left-right direction, and the third portion LI3 is arranged between the first portion LI1 and the second portion LI2, and thus, it is possible to effectively suck the granular garbage that comes to the central portion in the left-right direction of the suction port body 7. Further, the length W2 in the left-right direction of the second portion LI2 is larger than the length W1 in the left-right direction of the first portion LI1 and the length W3 in the left-right direction of the third portion LI3, and thus, even a certain amount of granular garbage can be sucked at once. Moreover, the first air passage portion 7001, which is the portion having the largest width in the front-rear direction of the suction air passage 700, is arranged at a position corresponding to the second portion LI2, and thus, it is possible to more effectively suck the granular garbage to the suction air passage 700 via the second portion LI2.

[0080] Further, both sides in the left-right direction of the suction air passage 700 are side portion openings 7004 that are opened in a manner that communicates with the outside air, and thus, it is also possible to suck the dust from the side portion openings 7004. That is, in a case where the side portion openings 7004 are not formed, the first portion LI1 located at both sides in the left-right direction sometimes does not function as an air passage on a cleaning target CL where the hair of a carpet or the like is long. In this case, the flow of air is generated only in a range from the second portion LI2 to the third portion LI3 in the left-right direction within the suction air passage 700, and it is possible that the dust cannot be sucked in a portion located outside in the left-right direction than the second portion LI2. In the embodiment, by forming the side portion openings 7004, air is also sucked to the suction air passage 700 from the side portion openings 7004, the suction air functions over the entire width of the suction air passage 700, and it is possible to suck the dust over the entire width of the suction port body 7.

[0081] Further, both sides in the left-right direction of the top surface 7005 of the suction air passage 700 are lower than other portions, and in particular, in the vicinity of the side portion openings 7004, the height of the top surface 7005 is lowered, and thus, the air sucked from the side portion openings 7004 is throttled and the wind speed is increased, and thus, it is possible to more effectively suck the dust.

[0082] Further, when the cleaning is performed on the cleaning target CL in the vicinity of an object such as a wall, by pressing the front portion of the suction port body 7 against the object, as Figure 4The lower end portion of the cover 77 is brought close to the dusted portion CL by the rotation of the front portion of the cover 77 pushed backward by the object. At this time, a convex shape 771 is formed in the front portion of the cover 77 so as to be connected without a gap in the left and right directions, and the convex shape 771 contacts the object when the cover 77 contacts the object, so that the contact position of the cover 77 with the object is sealed in the left and right directions of the cover 77, and it is difficult for air from above to enter around, and an air passage is formed in the left and right directions between the cover 77 and the object so as to communicate with the cleaning body chamber 703. Further, in the present embodiment, the portion of the lower end portion of the cover 77 in which the protrusion 770 is formed is located close to the dusted portion CL, so that the degree of vacuum of the cleaning body chamber 703 covered by the front portion of the cover 77 is secured. On the other hand, the portion of the lower end portion of the cover 77 in which the protrusion 770 is not formed has a slight gap in the vertical direction between the dusted portion CL, so that granular garbage can be sucked from these portions to the suction air passage 700 through the cleaning body chamber 703 and the suction port 7000 by the action of negative pressure.

[0083] Further, depending on the presence or absence of the protrusion 76, a comb-tooth-shaped concave-convex is formed in the surface of the partition wall 704 on the side of the cleaning body chamber 703, so that these concave-convexes comb the cleaning member 731 of the cleaning body 73 into comb teeth as the cleaning body 73 rotates, and can untangle or cut off filamentous garbage or linear garbage such as hair that is entangled together.

[0084] The protrusion 76 is arranged intermittently over at least the width of the cleaning body chamber 703 corresponding to the cleaning body 73, so that the cleaning member 731 of the cleaning body 73 can be dusted over substantially the entire width by contact with the protrusion 76.

[0085] (Second Embodiment)

[0086] Next, the second embodiment will be described with reference to Figures 9 to 11 The second embodiment will be described. In addition, the same symbols are attached to the same configurations and effects as those of the first embodiment, and the description thereof will be omitted.

[0087] As Figure 9 and Figure 10As shown, the suction port body 7 has another cleaning object chamber 708 as a chamber in the main body portion 70. The other cleaning object chamber 708 communicates with the suction air passage 700. The other cleaning object chamber 708 is arranged on the side opposite to the cleaning object chamber 703 in the front-rear direction with the suction air passage 700 as a reference. That is, in the present embodiment, the other cleaning object chamber 708 is located at a position adjacent to the rear portion of the suction air passage 700. The other cleaning object chamber 708 is formed in a long shape extending along the left-right direction, like the suction air passage 700. The other cleaning object chamber 708 is located between the first rear lower surface portions 70110, 70110 of the lower surface portion 701 of the main body portion 70. In the present embodiment, the length of the other cleaning object chamber 708 in the left-right direction is set to be shorter than the length of the suction air passage 700 in the left-right direction. Preferably, the other cleaning object chamber 708 has a length in the left-right direction that at least covers the two second air passage portions 7002 and the first air passage portion 7001 of the suction air passage 700. In the present embodiment, the length of the other cleaning object chamber 708 in the left-right direction is equal to or approximately equal to the length of the cleaning object chamber 703 in the left-right direction.

[0088] The other partition wall 709 is formed between the other cleaning object chamber 708 and the suction air passage 700. The other partition wall 709 is formed extending along the left-right direction. The other cleaning object chamber 708 communicates with the suction port 7000 or the suction air passage 700 via the other communication air passage 7090 formed at the lower end portion of the other partition wall 709.

[0089] The other partition wall 709 is formed between the first rear lower surface portions 70110 of the lower surface portion 701 of the main body portion 70. That is, at least a portion of the lower surface portion 701 is located on the extension of the left-right direction of the other partition wall 709. As shown in FIG. 6, the other partition wall 709 is formed extending along the left-right direction. Figure 11 As shown, the lower end portion of the other partition wall 709 is set to a height above the lower surface portion 701. In the present embodiment, the height H4 of the lower end portion of the other partition wall 709 is set to be fixed or approximately fixed. Preferably, the height H4 of the lower end portion of the other partition wall 709 is the height between the first portion LI1 and the second portion LI2. That is, H1 < H4 < H2. In the present embodiment, the height H4 of the lower end portion of the other partition wall 709 is equal to or approximately equal to the height H3 of the third portion LI3. Preferably, the height H4 of the lower end portion of the other partition wall 709 is set to a height at which a gap through which dust having a predetermined size, such as a grain of rice, or a granular garbage, can pass is not formed between the cleaning target portion CL. This is not limited thereto, and the height H4 of the lower end portion of the other partition wall 709 can be higher than the height H3 of the third portion LI3 or lower than the height H3 of the third portion LI3.

[0090] Further, as shown in FIG. 6, the other partition wall 709 is formed extending along the left-right direction. Figure 9 and Figure 10As shown, the other partition wall 709 is configured to have a length in the left-right direction that is equal to or approximately equal to the length of the partition wall 704 in the left-right direction.

[0091] The other cleaning body 78 is configured to be movable in the other cleaning body chamber 708. In the present embodiment, the other cleaning body 78 is a rotating cleaning body having an axis in the left-right direction and being rotatable in the front-rear direction. The other cleaning body 78 includes an other shaft body 780. The other shaft body 780 is formed in a columnar shape and rotatably supported at both ends to the main body 70. An other cleaning member 781 is disposed outside the other shaft body 780. The other cleaning member 781 scrapes dust from the dust collection portion CL in conjunction with the rotation of the other cleaning body 78. In the present embodiment, the other cleaning member 781 is a brush in which fine bristles are densely arranged. The other cleaning member 781 is disposed separately at a plurality of positions in the circumferential direction of the other shaft body 780.

[0092] The other cleaning member 781 is integrated with the base end portion of the brush and held to the other shaft body 780, and the tip end portion side extends radially from the other shaft body 780. The other cleaning member 781 is connected in a wall shape between both end portions of the other shaft body 780. Preferably, the other cleaning member 781 is held to the other shaft body 780 in a twisted state in a spiral shape. The spiral direction of the other cleaning member 781 is a direction opposite to the spiral direction of the cleaning member 731 of the cleaning body 73, as viewed from the axis direction of the other cleaning body 78.

[0093] The other cleaning body 78 can be driven simultaneously with the cleaning body 73 by the motor 74, or can be independently driven with respect to the cleaning body 73 by an other motor different from the motor 74.

[0094] Further, an other protrusion 79 is preferably formed on the side of the other cleaning body chamber 708 of the other partition wall 709. The other protrusion 79 has a dust removal function of removing dust attached to at least any one of the other cleaning members 781 of the other cleaning body 78 in conjunction with the rotation of the other cleaning body 78. The other protrusion 79 is located at a position where it can come into contact with at least any one of the other cleaning members 781 of the other cleaning body 78. In the present embodiment, the other protrusion 79 has a surface direction in the left-right direction and extends in the front-rear direction and the up-down direction. In the illustrated example, the other protrusion 79 is formed in the up-down direction or the rotation direction of the other cleaning body 78.

[0095] The other protrusions 79 are preferably arranged in a plurality of positions in the axial direction of the other cleaning bodies 78, i.e., the left-right direction. In the present embodiment, the other protrusions 79 are arranged intermittently over at least the width of the other cleaning body chamber 708 corresponding to the other cleaning bodies 78. In the illustrated example, the other protrusions 79 are arranged intermittently over substantially the entire width of the other cleaning body chamber 708. The other protrusions 79, 79 are preferably arranged at equal intervals or substantially equal intervals. The other protrusions 79 are arranged parallel or substantially parallel to each other. With the plurality of other protrusions 79, the surface of the other cleaning body chamber 708 opposite the other cleaning bodies 78 is alternately arranged in the left-right direction in a comb-tooth shape, forming a concave-convex pattern in front and back. The other protrusions 79 also function to reinforce the other partition walls 709.

[0096] Further, during suctioning, negative pressure generated by driving of the suction source 2 based on operation of the user's action setting portion 52 acts from the suction inlet 7000 of the suction inlet body 7 to suction dust and air into the suction air passage 700.

[0097] At this time, with respect to the suction air passage 700 and the cleaning body chamber 703, in the present embodiment, the first portion LI1 having the lowest height H1 is adjacent to the dusted portion CL in the portion formed by the lower end portion of the partition wall 704 and the position on the lower surface portion 701 extending in the left-right direction of the partition wall 704. The second portion LI2 having the highest height is separated from the dusted portion CL, and can effectively suction particulate garbage from the position of the second portion LI2. Further, the third portion LI3 having an intermediate height between the first portion LI1 and the second portion LI2 is formed over the portion of the lower end portion of the partition wall 704 and the lower surface portion 701 extending in the left-right direction of the partition wall 704. Thus, even for a dusted portion CL having long hair such as a carpet, a very small gap can be maintained by the third portion LI3, and the third portion LI3 functions as a passage for suctioning dust. Further, the opening in the up-down direction with respect to the dusted portion CL is narrower than the second portion LI2, and thus the air suctioned can be made to flow at high speed. Thus, both particulate garbage requiring a large opening and a vacuum degree, and fine dust requiring rapid flow of air and a vacuum degree, can be effectively suctioned, and the suction performance and the like can be improved, and the same effects as the first embodiment can be achieved.

[0098] Further, in the present embodiment, on the side opposite to the cleaning body chamber 703 in the front-rear direction with the suction air path 700 as a reference, the other cleaning body chamber 708 is arranged on the rear side in the illustrated example, and the other partition wall 709 extending in the left-right direction is arranged between the suction air path 700 and the other cleaning body chamber 708, and the height of the lower end portion of the other partition wall 709 is fixed, whereby when the suction inlet body 7 advances, the other partition wall 709 presses the larger dust such as the granular garbage in the front direction, and the larger dust does not enter the position on the rear side of the other partition wall 709, whereby the granular garbage can be reliably sucked up when the suction inlet body 7 advances.

[0099] In particular, by setting the height of the lower end portion of the other partition wall 709 to the height between the heights of the first portion LI1 and the second portion LI2, the larger dust such as the granular garbage can be effectively pressed in the front direction by the other partition wall 709 when the suction inlet body 7 advances.

[0100] Further, the other cleaning member 781 contacts the other protruding portion 79 when the other cleaning body 78 rotates, whereby the dust is shaken off and removed. Depending on the presence or absence of the other protruding portion 79, the surface on the other cleaning body chamber 708 side of the other partition wall 709 has a comb-tooth-shaped concave-convex, and therefore, these concave-convexes comb the other cleaning member 781 of the other cleaning body 78 into a comb-tooth shape, and can untangle or cut the filamentous garbage or linear garbage such as the hair entangled together, in conjunction with the rotation of the other cleaning body 78.

[0101] The other protruding portion 79 is discontinuously arranged over at least the width of the other cleaning body chamber 708 corresponding to the other cleaning body 78, and therefore, the other cleaning member 781 of the other cleaning body 78 can be dusted by the contact of the other protruding portion 79 over substantially the entire width.

[0102] In addition, in the above-described second embodiment, the cleaning body chamber 703 and the other cleaning body chamber 708 can also be opposite in the front-rear direction. That is, the other cleaning body chamber 708 can be provided on the front side of the suction air path 700, and the cleaning body chamber 703 can be provided on the rear side of the suction air path 700. In this case, the positional relationship and the role of the partition wall 704 and the other partition wall 709 are also opposite in the front-rear direction. In this case, the same effect as the second embodiment can also be obtained.

[0103] (Third Embodiment)

[0104] Next, the third embodiment will be described with reference to Figure 12 The third embodiment will be described. In addition, the same symbols are attached to the same configurations and effects of each embodiment, and the description thereof will be omitted.

[0105] The third portion LI3 is formed so that the height gradually changes or gradually increases from the first portion LI1 side to the second portion LI2 side. The minimum value of the height of the third portion LI3 is equal to or greater than the height of the first portion LI1, and the maximum value is equal to or less than the height of the second portion LI2. Preferably, the height of the third portion LI3 monotonically does not decrease from the first portion LI1 side to the second portion LI2 side. In the present embodiment, when the increase in the height from the first portion LI1 side to the second portion LI2 side is taken as positive and the decrease is taken as negative, the rate of change of the height of the third portion LI3 is set to be equal to or greater than 0. That is, the third portion LI3 can be formed so that the height continuously increases from the first portion LI1 side to the second portion LI2 side, or can have a portion in which the height does not increase, that is, a portion in which the height is fixed or substantially fixed. In the present embodiment, the third portion LI3 is formed so that the height is the lowest at a position connected to the first portion LI1, the height is the highest at a position connected to the second portion LI2, and the height gradually increases between the two positions.

[0106] The rate of change of the height of the third portion LI3 can be fixed or substantially fixed in the left-right direction, or can not be fixed or substantially fixed. For example, as shown in (a) of FIG. 10, the third portion LI3 can be an inclined portion that gradually increases in height from the first portion LI1 side to the second portion LI2 side at a fixed or substantially fixed rate of change, and can be linearly inclined, or as shown in (b) of FIG. 10, can be an inclined portion that is curvedly inclined in a manner in which the rate of change of the height gradually increases from the first portion LI1 side to the second portion LI2 side and then gradually decreases. Figure 12 Figure 12

[0107] In addition, in the present embodiment, the length W3 in the left-right direction of the third portion LI3 is set to be longer than the length W1 in the left-right direction of the first portion LI1. That is, with respect to the length W1 in the left-right direction of the first portion LI1 and the length W3 in the left-right direction of the third portion LI3, W1 < W3. In addition, with respect to the relationship between the length W3 in the left-right direction of the third portion LI3 and the length W2 in the left-right direction of the second portion LI2, in the present embodiment, there is no particular limitation, but in the illustrated example, the length W2 in the left-right direction of the second portion LI2 is set to be longer than the length W3 in the left-right direction of the third portion LI3. That is, with respect to the length W2 in the left-right direction of the second portion LI2 and the length W3 in the left-right direction of the third portion LI3, W3 < W2.

[0108] ​​Furthermore, a third part LI3, with a height between the first part LI1 and the second part LI2, is formed in the lower part 701 extending from the lower end of the partition wall 704 in the left-right direction. This configuration is identical to that of the embodiments. Consequently, for the suction air passage 700 and the cleaning chamber 703, the first part LI1, with the lowest height H1, is close to the suction section CL, thus maintaining a higher vacuum level within the suction air passage 700. The second part LI2, with the highest height, is separated from the suction section CL, allowing for effective suction of particulate matter from the position of the second part LI2. Even for the suction section CL with long fibers, such as carpets, a very small gap is maintained through the third part LI3, effectively functioning as a dust suction air passage. Therefore, both particulate matter requiring a large opening and vacuum level, and fine dust requiring rapid airflow and vacuum level, can be effectively sucked up, achieving the same effects as the embodiments, such as improved suction performance.

[0109] Furthermore, by gradually changing the height of the third part LI3 from the first part LI1 side to the second part LI2 side, a very small gap can be ensured between the vacuuming part CL and any part of the third part LI3 corresponding to the length of the hair for various carpets and the like, resulting in excellent vacuuming performance.

[0110] Furthermore, the length W3 of the third part LI3 in the left-right direction is longer than the length W1 of the first part LI1 in the left-right direction. Therefore, the length of the third part LI3 in the left-right direction for forming a very small gap relative to the vacuumed part CL can be sufficiently ensured.

[0111] Furthermore, in the above embodiments, as long as the first part LI1, the second part LI2, and the third part LI3 maintain their relative heights, they can also form parts with different heights or have varying heights within each part.

[0112] Several embodiments of the present invention have been described. These embodiments are provided by way of example and are not intended to limit the scope of the invention. These new embodiments can be implemented in various other ways, and various omissions, substitutions, and modifications can be made without departing from the spirit of the invention. These embodiments and their variations are included in the scope and spirit of the invention, and are included in the scope of the invention as set forth in the claims and its equivalents.

[0113] Explanation of symbols

[0114] LI1: first part; LI2: second part; LI3: third part; VC: electric vacuum cleaner; 7: suction inlet body; 73: cleaning body; 78: other cleaning body; 700: suction air path; 701: lower face portion; 703: cleaning body chamber; 704: partition wall; 708: other cleaning body chamber; 709: other partition wall; 7000: suction inlet; 7005: top face.

Claims

1. An inhalation mouthpiece, characterized in that, have: The cleaning chamber is equipped with a cleaning unit; The suction air path is arranged either in front of or behind the cleaning chamber, and has a suction inlet at the bottom. Adjacent to it, located between the aforementioned cleaning chamber and the aforementioned suction air passage, and extending in a left-right direction; and The lower part is located at least to the left and right of the aforementioned partition wall. At least a first part with the lowest height, a second part with the highest height, and a third part with an intermediate height between the first part and the second part are provided in the portion covering the lower end and the lower part of the aforementioned partition. The first part is located on both sides in the left-right direction, the second part is located in the center in the left-right direction, and the third part is located between the first part and the second part. The aforementioned suction airway is connected to the connecting chamber at the first airway section located in the center of the left-right direction, and the connecting chamber is connected to the suction source.

2. The inhalation port body according to claim 1, characterized in that, At least a portion of the lower part forms at least a portion of the first part.

3. The inhalation port body according to claim 1, characterized in that, The third part described above is formed such that its height gradually changes from the side of the first part to the side of the second part described above.

4. The inhalation port body according to claim 1, characterized in that, The second part mentioned above is longer than the first part and the third part mentioned above in the left-right direction.

5. The inhalation port body according to claim 1, characterized in that, The aforementioned suction air passage has the widest first air passage section in the front-to-back direction at the position corresponding to the second part mentioned above.

6. The inhalation port body according to claim 1, characterized in that, The third part mentioned above is longer than the first part mentioned above in the left-right direction.

7. The inhalation port body according to claim 1, characterized in that, The aforementioned suction air passage opens to the outside gas on both sides in the left and right directions.

8. The inhalation port body according to claim 7, characterized in that, The left and right sides of the top surface of the aforementioned air intake path are lower than the other parts.

9. The inhalation port body according to claim 1, characterized in that, The aforementioned inhalation port also has: Other cleaning chambers, based on the aforementioned suction air path, are arranged in the front-to-back direction on the opposite side of the aforementioned cleaning chambers, and are equipped with other cleaning bodies; and The other partitions, located between the aforementioned suction air passage and the other cleaning chambers, extend in a left-right direction. The height of the lower end of the other partitions mentioned above is fixed.

10. The inhalation port body according to claim 9, characterized in that, The height of the lower end of the other partitions mentioned above is the height between the first part and the second part mentioned above.

11. An electric vacuum cleaner, characterized in that, It has an inhalation port body as described in any one of claims 1 to 10.

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