JP2023064309A - Suction port body and vacuum cleaner - Google Patents

Abstract

To provide a suction port body that can be taken care of by easily attaching/detaching a seal part to/from a case while enabling the seal part to be robustly fixed to the case, and a vacuum cleaner.SOLUTION: A suction port body 6 comprises: a suction-port main body 33 which has a suction port 19; a holding body 99 which is attached to the bottom of the suction-port main body 33; and a linear seal part 63 which is extended along an edge of the suction port 19 so as to protrude from a bottom surface 33b of the suction-port main body 33, which is fixed to the suction-port main body 33 when the holding body 99 is attached to the suction-port main body 33, and which can be separated from the suction-port main body 33 when the holding body 99 is detached from the suction-port main body 33.SELECTED DRAWING: Figure 5

Description

TECHNICAL FIELD Embodiments according to the present invention relate to a suction port body and a vacuum cleaner.

A suction mouth body is known that includes a rotating cleaning body and a stationary brush provided behind the rotating cleaning body. The stationary brush extends linearly along the rear edge of the rotary cleaning element storage chamber that accommodates the rotary cleaning element. The fixed brush has a sealing function that seals the space between the rotary cleaning element storage chamber and the surface to be cleaned and the rear of the rotary cleaning element storage chamber to increase the static pressure in the rotary cleaning element storage chamber.

JP 2011-036445 A

The fixed brush is in contact with the surface to be cleaned while the suction port is placed on the surface to be cleaned. Therefore, the fixed brush belongs to the category of parts that easily get dirty among the components that make up the suction port body.

However, the conventional fixed brush of the suction port is firmly fixed to the case of the suction port. For example, the conventional suction port body has a groove for arranging the base of the fixed brush in the case, and a claw provided inside the groove to catch the base of the fixed brush and prevent the fixed brush from escaping from the groove. I was prepared. Therefore, it was difficult to remove the fixed brush from the case of the suction port. If you try to clean the fixed brushes individually, there is a risk of damage to the suction port body, that is, damage to the claws in the grooves. If the fixed brush is washed with water while it is fixed to the case of the suction port, there is a possibility that the electric motor housed in the case and the control circuit for the electric motor may be damaged.

Accordingly, the present invention proposes a suction port body and an electric vacuum cleaner in which the sealing portion can be firmly fixed to the case and the sealing portion can be easily attached to and detached from the case for cleaning.

In order to solve the above problems, the suction port body according to the embodiment of the present invention includes a case having a suction port, a holder attached to the bottom of the case, and a holder extending along the edge of the suction port. and fixed to the case when the holder is attached to the case, and separable from the case when the holder is removed from the case. and

Further, a vacuum cleaner according to an embodiment of the present invention includes a vacuum cleaner main body, an electric blower that is housed in the cleaner main body and generates negative pressure, and the suction that sucks air with the negative pressure generated by the electric blower. It has a mouth and a.

BRIEF DESCRIPTION OF THE DRAWINGS The perspective view of the vacuum cleaner which concerns on embodiment of this invention. The perspective view of the bottom face side of the inlet body which concerns on embodiment of this invention. The bottom view of the suction mouth object which concerns on embodiment of this invention. Sectional drawing of the inlet body which concerns on embodiment of this invention. An exploded perspective view of the front side of the wheel holding mechanism of the suction port body according to the embodiment of the present invention. A first exploded perspective view of the back side of the wheel holding mechanism of the suction port body according to the embodiment of the present invention. A second exploded perspective view of the back side of the wheel holding mechanism of the suction port body according to the embodiment of the present invention. A partial cross-sectional view of a suction port body according to an embodiment of the present invention. A partial perspective view of a suction mouth body according to an embodiment of the present invention. A partial perspective view of a suction mouth body according to an embodiment of the present invention. A partial cross-sectional view of a suction port body according to an embodiment of the present invention. A bottom view of another example of the suction mouth body concerning the embodiment of the present invention. 1 is a perspective view of a rotary cleaning body according to an embodiment of the present invention; FIG. FIG. 2 is a plan view of the shaft end of the rotary cleaning body according to the embodiment of the present invention; FIG. 2 is a side view of the rotary cleaning body according to the embodiment of the present invention; A partial cross-sectional view of a suction port body according to an embodiment of the present invention. FIG. 3 is a side view of another example of the rotary cleaning body according to the embodiment of the present invention; An exploded perspective view of another example of the support structure for the second wheel of the suction port body according to the embodiment of the present invention. A perspective view of another example of the support structure of the second wheel of the suction port body according to the embodiment of the present invention. An enlarged bottom view of another example of the suction port body according to the embodiment of the present invention.

1 to 20, embodiments of a suction port body and a vacuum cleaner according to the present invention will be described below. In addition, the same code|symbol is attached|subjected to the same or corresponding structure in several drawings.

FIG. 1 is a perspective view of a vacuum cleaner according to an embodiment of the invention.

As shown in FIG. 1, the electric vacuum cleaner 1 according to the present embodiment is, for example, a stick type and a handy type that uses a secondary battery 2 as a power source. The electric vacuum cleaner 1 includes a handheld cleaner main body 3, an extension pipe 5 detachable from the cleaner main body 3, and a suction port body 6 detachable from the extension pipe 5. - 特許庁

In addition, FIG. 1 corresponds to a view of the vacuum cleaner 1 viewed obliquely from the front left of a user who operates the vacuum cleaner 1 by hand.

Also, the vacuum cleaner 1 can be used as a handy vacuum cleaner in the form of only the vacuum cleaner main body 3 from which the extension pipe 5 and the suction port body 6 are removed. In other words, the cleaner main body 3 can also be used independently as a handy vacuum cleaner. Also, the vacuum cleaner 1 can be used by attaching a nozzle that is much shorter than the extension pipe 5 instead of the extension pipe 5 and the suction port body 6 .

Furthermore, the vacuum cleaner 1 may be of a canister type or an upright type. The vacuum cleaner 1 may be powered by a commercial AC power supply instead of the secondary battery 2 .

The cleaner body 3 includes a body case 12 having a handle 11, an electric blower 13 that is housed in the body case 12 and generates suction negative pressure, and a suction pipe 15 that is fluidly connected to the suction side of the electric blower 13. a separation dust collector 16 detachably attached to the main body case 12; a main body controller 17 mainly controlling the electric blower 13; a secondary battery 2 detachably attached to the main body case 12; and a holding mechanism that detachably holds the separated dust collector 16 in the case 12 .

The cleaner main body 3 drives the electric blower 13 with electric power stored in the secondary battery 2 , generates a negative pressure by driving the electric blower 13 , and causes the generated suction negative pressure to act on the separation and dust collection section 16 . The suction negative pressure acting on the separated dust collecting section 16 acts on the suction pipe 15, the extension pipe 5, and the suction port body 6 in sequence. The suction negative pressure reaching the suction port body 6 acts on the suction port 19 of the suction port body 6 . The suction negative pressure acting on the suction port 19 draws air containing dust into the suction port 19 from the floor surface. Air containing dust is hereinafter referred to as "dust-containing air". The dust-containing air sucked into the suction port 19 flows through the suction port body 6 , the extension pipe 5 , and the suction pipe 15 into the dust separation section 16 . The separation and dust collection unit 16 separates dust from the dust-containing air sucked by the suction negative pressure, collects the separated dust, accumulates the dust, and sends the dust-separated air to the electric blower 13 . The electric blower 13 exhausts the dust-separated air to the outside of the main body case 12 .

The electric vacuum cleaner 1 and the cleaner main body 3 are used in various postures by users holding the cleaner main body 3 in their hands. Therefore, in FIG. 1, the view in the direction of the solid line arrow P is defined as a plan view (top view), and the view in the direction opposite to the solid line arrow P is defined as a bottom view. In FIG. 1, a view in the direction of the solid line arrow F is a front view (front view), and a view in the direction opposite to the solid line arrow F is a back view. In FIG. 1, the view in the direction of the solid line arrow L is the left side view, and the view in the opposite direction of the solid line arrow L is the right side view. When the user directs the extension pipe 5 horizontally in front of the user, front and back, top and bottom, left and right of the vacuum cleaner 1 correspond to those of the user.

Body case 12 accommodates electric blower 13 and control circuit board 21 on which body control unit 17 is mounted.

The main body case 12 is arranged on an extension line of the extension pipe 5 and has a columnar front portion 12a extending along the extension line of the extension pipe 5, a center portion 12b hanging obliquely downward and rearward from the front portion 12a, and a center portion 12b. a cylindrical rear portion 12c extending rearward from the lower half of the rear surface of the central portion 12b; , is equipped with

The main body case 12 also has a charging socket that leads charging power to the secondary battery 2 . The charging socket is connected to the secondary battery 2 via a charging circuit.

Further, the body case 12 includes an input section 22 arranged within an operable range by the user holding the grip section 11 by moving his or her fingers.

The front portion 12a and the central portion 12b cooperate to detachably hold the separating dust collecting portion 16. As shown in FIG. The separated dust collector 16 has a tubular appearance as a whole. The front portion 12 a and the central portion 12 b hold the separated dust collecting portion 16 with the center line C of the separating dust collecting portion 16 , in other words, the longitudinal direction thereof parallel to the extension line of the center line of the extension pipe 5 . When the extension pipe 5 and the separated dust collector 16 are attached to the main body case 12, the extension line of the center line of the extension pipe 5 and the center line C of the separated dust collector 16 are substantially aligned with the main body case 12 to the left and right. It is arranged on a central longitudinal plane that divides evenly. The longitudinal front portion 12a and the cylindrical separation dust collecting portion 16 are arranged side by side so that their center lines are parallel to each other.

A front portion 12a of the main body case 12 accommodates a suction pipe 15 extending in the longitudinal direction of the extension pipe 5, that is, extending in the extending direction.

The rear portion 12c of the body case 12 accommodates the electric blower 13 and the control circuit board 21. As shown in FIG. The rear portion 12 c has an exhaust port 25 for discharging the exhaust air from the electric blower 13 from inside the main body case 12 .

The central portion 12b of the main body case 12 holds a part of the rear end portion of the separated dust collecting portion 16 provided side by side with the front portion 12a so as to cover it, and the airflow connecting the separated dust collecting portion 16 and the electric blower 13 is provided. It houses a path (not shown). The central portion 12b is connected to the rear end portion of the front portion 12a extending substantially linearly and swells obliquely downward and rearward of the main body case 12 . The central portion 12b has an appearance that slopes downward toward the rear of the main body case 12 .

The suction pipe 15 is accommodated in the front portion 12 a of the body case 12 and supported by the body case 12 . The suction pipe 15 is arranged parallel to the separated dust collector 16 when the separated dust collector 16 is attached to the main body case 12 . The suction pipe 15 is a straight pipe that extends substantially without bending. The direction along the center line of the suction pipe 15 , the extending direction of the suction pipe 15 , and the longitudinal direction of the suction pipe 15 are substantially the same, and substantially coincide with the front-rear direction of the main body case 12 .

The suction pipe 15 has a joint structure that allows the extension pipe 5 to be attached and detached. This joint structure is provided at the open end of the suction pipe 15 . The suction pipe 15 is a fluidic inlet of the cleaner body 3 and also a joint that fluidly connects the extension pipe 5 and the dust separation part 16 . By removing the extension pipe 5 from the cleaner main body 3, the suction pipe 15 functions as a suction port when the cleaner main body 3 is used alone as a handy electric vacuum cleaner. The tip of the suction pipe 15 is open to the front of the cleaner body 3 .

A rear end portion of the suction pipe 15 has a second opening connected to the separated dust collecting portion 16 . The second opening is open radially outward of the suction pipe 15 and faces the separated dust collecting portion 16 . The second opening opens downward in the body case 12 . The second opening is provided on the bottom surface of the front portion 12 a of the body case 12 . When the separated dust collector 16 is attached to the main body case 12, the bottom surface of the front portion 12a closely follows the separated dust collector 16. As shown in FIG. Then, the second opening is fluidly connected to the separation and dust collection section 16 .

The separated dust collector 16 is arranged in an L-shaped accommodation space formed by the front portion 12 a of the main body case 12 and the central portion 12 b of the main body case 12 . The separating and collecting part 16 separates, collects, and accumulates dust from the dust-containing air flowing into the cleaner main body 3 , and sends clean air from which the dust is removed to the electric blower 13 . The separation and dust collection unit 16 is of a centrifugal separation method that centrifuges dust and air using the difference in mass between dust and air. A filtration separation type filter for filtering dust from the dust-containing air may be provided downstream of the separation and dust collection unit 16 .

In addition, the separated dust collector 16 extends in a cylindrical shape along the front-rear direction of the main body case 12 . In other words, the separated dust collector 16 is a cylindrical container having a center line C extending in the longitudinal direction of the main body case 12 . The direction along the center line C of the separated dust collecting portion 16, the extending direction of the separated dust collecting portion 16, and the longitudinal direction of the separated dust collecting portion 16 are substantially the same, and substantially aligned with the front-rear direction of the main body case 12. I am doing it. Therefore, the centerline C of the separated dust collector 16 is substantially parallel to the centerline of the suction pipe 15 . In addition, the separated dust collector 16 is provided side by side with the suction pipe 15 . In other words, the longitudinal direction of the separated dust collector 16 follows the longitudinal direction of the suction pipe 15 . The diameter of the separated dust collecting portion 16 is larger than the diameter of the suction pipe 15, and the separated dust collecting portion 16 extends in the left-right direction (width direction) of the cleaner body 3 from the suction pipe 15 and the front portion 12a of the body case 12. Protruding. The left-right direction (width direction) of the cleaner body 3 is the normal direction of an imaginary plane substantially including the center line C of the cylindrical separated dust collecting portion 16 and the center line of the suction pipe 15, or the cylindrical direction. corresponds to the normal direction of an imaginary plane that substantially passes through the center line C of the shaped separation dust collector 16 and the center line of the suction pipe 15 . Also, this virtual plane corresponds to the central longitudinal section of the cleaner body 3 .

The holding mechanism includes a first mechanism that detachably connects one end of the separated dust collecting section 16 and the main body case 12, and a detachable connection of the other end of the separated dust collecting section 16 and the main body case 12. and a second mechanism for

The first mechanism is a lock mechanism that connects the separation and dust collection section 16 and the main body case 12 by hooking a projection provided on the main body case 12 to a recess provided on the separation and dust collection section 16 . The concave portion and the convex portion of the first mechanism are caught or disengaged depending on the relative positional change between the separated dust collecting portion 16 and the main body case 12 .

The convex portion of the first mechanism is provided at the front end portion of the bottom surface of the front portion 12 a of the main body case 12 . The concave portion of the first mechanism is arranged at one end of the separating dust collecting portion 16 at a position that matches the convex portion.

The second mechanism is a locking mechanism that hooks a concave portion provided in the main case 12 to a convex portion provided in the separated dust collecting portion 16 to connect the separated dust collecting portion 16 and the main case 12 . Unlike the first mechanism, the second mechanism has an operation piece capable of removing the convex portion from the concave portion while maintaining the relative position between the separated dust collecting portion 16 and the main body case 12 . The operation piece is provided in the separation and dust collecting part 16, and the convex portion of the second mechanism is integrated with the operation piece.

The concave portion of the second mechanism is provided at the bottom of the central portion 12 b of the main body case 12 , that is, at the farthest portion from the suction pipe 15 in the radial direction of the suction pipe 15 . The convex portion of the second mechanism is arranged at the other end of the separating dust collecting portion 16 at a position that fits in the concave portion. Both the concave portion of the first mechanism and the convex portion of the second mechanism are provided in the separated dust collecting portion 16 and are substantially aligned with respect to the center in the longitudinal direction of the separated dust collecting portion 16 and the center in the lateral direction of the separated dust collecting portion 16 . are strategically placed. In addition, the convex portion of the second mechanism is arranged at the farthest portion within the separation dust collecting portion 16 when viewed from the concave portion of the first mechanism.

The operating piece can be operated with mechanical movements such as sliding and swinging, and is part of various mechanisms that convert the movement associated with this operation into the movement of removing the convex portion from the concave portion. For example, the user can slide the operation piece to remove the protrusion of the second mechanism from the recess. Further, when the operation piece is not operated by the user, the operation piece moves the convex portion of the second mechanism to a position where it is caught by the concave portion. It is preferable that the operation piece does not protrude from the bottom surface 33b of the inlet main body 33. As shown in FIG.

When the separation and dust collection part 16 is attached to the main body case 12, the first mechanism connects the separation and dust collection part 16 and the main body case 12 by hooking the protrusions in the recesses, and the second mechanism is the recesses. The separation and dust collecting part 16 and the main body case 12 are connected by hooking the projection on the . Then, when the operation piece is operated and the protrusion of the second mechanism is pulled out of the recess of the second mechanism, the lock of the second mechanism is released. At this time, the convex portion of the first mechanism maintains a state of being caught in the concave portion. Therefore, the user moves the other end of the separated dust collecting section 16 away from the main body case 12 with the first mechanism as a fulcrum while the lock of the second mechanism is released. As a result, the separating dust collecting part 16 is separated from the main body case 12, and eventually the convex part of the first mechanism is pulled out of the concave part, and the locking of the first mechanism is also released.

When the separated dust collecting part 16 is detached from the main body case 12, first, the convex part of the first mechanism is hooked on the concave part. With the first mechanism locked, the user brings the other end of the separated dust collector 16 closer to the main body case 12 using the first mechanism as a fulcrum. Then, the separation and dust collecting part 16 is attached to the main body case 12, and eventually the convex part of the second mechanism is caught by the concave part, and the second mechanism is also locked.

In addition, although the separation dust collector 16 according to the present embodiment is attached to and detached from the main body case 12 while drawing an arc track, it may be attached and detached while drawing a straight line track in the radial direction of the suction pipe 15 . In this case, the first mechanism and the second mechanism are preferably locked and unlocked substantially simultaneously. The direction of movement of the separated dust collector 16 when the separated dust collector 16 is attached to or detached from the main body case 12 may be any direction that intersects the longitudinal direction of the suction pipe 15 . Therefore, when the separated dust collector 16 is attached to the main body case 12 , the separated dust collector 16 moves toward the suction pipe 15 in the radial direction of the suction pipe 15 , and separates and collects the dust from the main body case 12 . When the part 16 is detached, the separated dust collecting part 16 may move away from the suction pipe 15 in the radial direction of the suction pipe 15 .

The central portion 12b of the main body case 12 includes a connection port fluidly connected to the exhaust side of the separated dust collecting portion 16, and a separation portion downstream air passage pipe fluidly connecting the connection port and the electric blower 13. ing. The central portion 12 b includes a portion that is sandwiched between the separated dust collecting portion 16 and the rear portion 12 c of the main body case 12 . A connection port and a separation section downstream air passage pipe are arranged at this portion.

The connecting port is arranged at a portion facing the front of the central portion 12b. The connecting port faces the rear end face of the separated dust collector 16 when the separated dust collector 16 is attached to the main body case 12 . Therefore, the connection port is arranged on an extension line of the center line C of the separated dust collecting portion 16 in a state where the separated dust collecting portion 16 is attached to the main body case 12 .

The suction side of the electric blower 13 is connected to the separation and dust collection section 16 via a connection port and a separation section downstream air passage pipe. The electric blower 13 sucks air from the separated dust collector 16 to generate suction negative pressure. The electric blower 13 includes an impeller, an electric motor that generates rotational driving force for the impeller, and a rotating shaft that transmits the rotational driving force from the electric motor to the impeller.

The impeller is, for example, a turbofan and has a plurality of blades. Each vane has a twisted shape that rises in the radial direction of the hub gradually from the center of the conical hub toward the outer edge of the hub. In other words, each blade is a so-called three-dimensional wing with a varying airfoil or wing section from leading edge to trailing edge. The impeller is covered with a case having a suction port.

The electric blower 13 has a cylindrical or columnar shape centering on the rotation axis. It is accommodated in the main body case 12 with the center line of the rotating shaft directed in the front-rear direction of the main body case 12 and the suction port directed forward. Further, the center line of the rotating shaft of the electric blower 13 is arranged substantially on the extension line of the separation and dust collecting section 16 .

The rear portion 12c of the body case 12 accommodates a control circuit board 21 on which the body control section 17 is mounted. The control circuit board 21 is arranged directly behind the electric blower 13 .

The body control unit 17 includes a microprocessor and a storage device for storing various arithmetic programs and parameters executed by the microprocessor. The storage stores various settings, ie arguments, associated with a plurality of preset operating modes. A plurality of operating modes are associated with the output of electric blower 13 . Input values different from each other, ie, input values of the electric blower 13, and current target values flowing through the electric blower 13 are set for the respective operation modes. Each operation mode is associated with an operation input received by the input unit 22 . The main control unit 17 selectively selects an arbitrary operation mode corresponding to the operation input to the input unit 22 from a plurality of preset operation modes, reads the setting of the selected operation mode from the storage unit, The electric blower 13 is operated according to the setting of the read operation mode.

The rear portion 12c of the main body case 12 is arranged on an extension of the center line C of the separated dust collector 16 when the separated dust collector 16 is attached to the main body case 12 .

The secondary battery 2 is also called a storage battery, a rechargeable battery, and a rechargeable battery. The secondary battery 2 stores power consumed by the electric blower 13 and the main body control unit 17 . The secondary battery 2 is detachably attached to the bottom of the rear portion 12c of the main body case 12. As shown in FIG. The secondary battery 2 may be fixed in a non-detachable manner. By preparing a plurality of secondary batteries 2, the detachable secondary batteries 2 can be used by appropriately replacing them. When the charging rate of the secondary battery 2 attached to the vacuum cleaner 1 decreases, the vacuum cleaner 1 can be operated by replacing the secondary battery 2 with a charged secondary battery 2. can continue.

The electric vacuum cleaner 1 may use a primary battery as a power source instead of the secondary battery 2, or may use a commercial AC power source.

The handle portion 11 is provided integrally with the main body case 12 . The handle portion 11 is a portion that is held by a user's hand in order to clean the floor surface with the electric vacuum cleaner 1 . Therefore, it is preferable that the grip portion 11 has an appropriate shape that can be easily gripped by fingers.

The handle portion 11 is provided between the front portion 12 a and the rear portion 12 c of the body case 12 . The handle portion 11 extends from the rear end of the front portion 12a in the extension direction of the extension tube 5, curves into an arc, and is connected to the rear end portion of the rear portion 12c. Between the handle portion 11 and the rear surface of the central portion 12b of the main body case 12, and between the handle portion 11 and the top surface of the rear portion 12c of the main body case 12, continuous spaces extend in the left-right direction of the main body case 12 ( width direction). In this space, the fingers of the user who grip the handle 11, including the index finger, middle finger, ring finger, and little finger, are arranged. By arranging four fingers in this space, the user can easily operate the electric vacuum cleaner 1 and the cleaner main body 3 by hand.

The input portion 22 is provided on the top surface of the front end portion of the handle portion 11 so that the user holding the handle portion 11 can easily operate it with his/her thumb.

The input unit 22 includes an operation start switch 22 a that accepts operation start operation of the electric blower 13 and an operation stop switch 22 b that accepts operation stop operation of the electric blower 13 . The operation start switch 22 a and the operation stop switch 22 b are electrically connected to the body control section 17 . A user of the vacuum cleaner 1 can selectively select an operation mode of the electric blower 13 by operating the input unit 22 . The operation start switch 22a also functions as an operation mode changeover switch while the electric blower 13 is in operation. In this case, the body control unit 17 switches the operation mode in the order of strong→medium→weak→strong→medium→weak→ . Note that the input unit 22 may separately include a strong operation switch (not shown), a medium operation switch (not shown), and a weak operation switch (not shown) instead of the operation start switch 22a.

The suction port body 6 can freely travel or slide on a surface to be cleaned such as a wooden floor or a carpet, and has a suction port 19 on the bottom face facing the surface to be cleaned in a running or sliding state. The suction port body 6 also includes a rotatable rotary cleaning body 31 arranged at the suction port 19 and an electric motor 32 for driving the rotary cleaning body 31 . One end (here, the rear end) of the suction port body 6 is provided with a joint structure that is detachable from the other end (here, the front end) of the extension pipe 5 . The suction port body 6 is fluidly connected to the separation dust collector 16 through the extension pipe 5 . In other words, the suction port body 6 , the extension pipe 5 , and the separated dust collector 16 constitute a suction air passage leading from the electric blower 13 to the suction port 19 .

The vacuum cleaner 1 starts the electric blower 13 when the operation start switch 22a is operated. For example, when the electric blower 13 is stopped and the operation start switch 22a is operated, the vacuum cleaner 1 first operates the electric blower 13 in the high operation mode, and then the operation start switch 22a is operated again. When the operation start switch 22a is operated three times, the electric blower 13 is operated in the weak operation mode, and the same operation is repeated. The strong operation mode, medium operation mode, and weak operation mode are a plurality of preset operation modes. The input value to the electric blower 13 is the largest in the strong operation mode and the smallest in the weak operation mode.
Next, the suction port body 6 will be described in detail.

FIG. 2 is a perspective view of the bottom side of the suction port body according to the embodiment of the present invention.

FIG. 3 is a bottom view of the suction port body according to the embodiment of the present invention.

4 is a cross-sectional view of the inlet body according to the embodiment of the present invention taken along line IV-IV of FIG. 3. FIG.

As shown in FIGS. 2 to 4, the suction port body 6 according to this embodiment includes a flat suction port main body 33 that is short in the front-rear direction, which is the advancing direction, and wide in the left-right direction. and a connecting pipe portion 35 provided.

Here, the advancing direction of the suction port body 6 (the solid line arrow Fo in FIGS. 2 to 4) is forward, and the opposite direction is backward.

The suction port main body 33 has a case 34 having an inner surface that defines a suction chamber 41 having a suction port 19 that opens to the bottom surface 33 b of the suction port main body 33 . The case 34 may have an electric motor chamber 42 that houses the electric motor 32 and a control circuit board chamber that houses an electric motor control circuit board that controls driving of the electric motor 32 . The suction port main body 33 includes a lower case 36 having the suction port 19, an upper case 37 covering the rear half of the lower case 36 from above, an upper cover 38 adjacent to the front of the upper case 37, and a front edge of the upper cover 38. and a front cover 39 hanging down from the part.

The case 34 has at least the suction port 19 that opens to the bottom surface 33b, and includes a member that defines an air passage that connects the suction port 19 and the extension pipe 5. And the number of divisions of the component parts does not matter.

The lower case 36 partitions the lower half 41a of the suction chamber 41 having the suction port 19, the lower half of the motor chamber 42 adjacent to the suction chamber 41, and the lower half of the control circuit board chamber adjacent to the suction chamber 41. ing.

The bottom surface of the suction chamber 41 and the front surface of the suction chamber 41 are open. An open portion on the bottom side of the suction chamber 41 corresponds to the suction port 19 . An open portion on the front side of the suction chamber 41 is called a front suction port 43 . The suction port 19 and the front suction port 43 are continuous. A front cover 39 covers most of the upper part of the front suction port 43 .

The suction chamber 41 is arranged in the front half of the suction port body 33 and extends left and right. The suction chamber 41 is fluidly connected to the connecting pipe portion 35 . That is, the suction chamber 41 is fluidly connected to the cleaner main body 3 through the connecting pipe portion 35 and the extension pipe 5 .

A pair of portions adjacent to the rear of the suction chamber 41 and laterally adjacent to the connecting pipe portion 35 in the rear half of the suction port main body 33 are provided on the left and right sides of the suction port main body 33 . In one of them, in this embodiment, the motor room 42 is defined on the left side, and on the other hand, in this embodiment, the control circuit board room is defined on the right side.

The electric motor chamber 42 is arranged in the rear half of the suction port main body 33 , adjacent to the rear of the suction chamber 41 , and adjacent to one side of the connecting pipe portion 35 . The control circuit board chamber is arranged in the rear half of the suction port main body 33 , adjacent to the rear of the suction chamber 41 , and adjacent to the other side of the connection tube portion 35 .

The connection pipe portion 35 is a joint that can be attached to and detached from the extension pipe 5 of the vacuum cleaner 1 . The connection pipe portion 35 also serves as a universal joint that connects the suction port main body 33 to the extension pipe 5 so as to be vertically swingable and rotatable. While the suction port body 6 is moving on the surface to be cleaned, the angle formed by the extension pipe 5 and the surface to be cleaned changes moment by moment. The connection pipe part 35 follows the angle formed by the extension pipe 5 and the surface to be cleaned, and smoothly faces the bottom surface 33b of the suction port main body 33 to the surface to be cleaned. The connecting pipe portion 35 is sandwiched between the electric motor chamber 42 and the control circuit board in the lateral direction (width direction) of the inlet main body 33 . The connecting pipe portion 35 applies a negative pressure to the suction chamber 41 . The connection pipe portion 35 includes a fixed pipe 45 connected to the suction chamber 41 and a universal joint portion 46 that rotates and swings with respect to the fixed pipe 45 .

The rotary cleaning body 31 is arranged in the suction chamber 41 and rotatably supported by the suction port main body 33 . A portion of the rotary cleaning body 31 protrudes outside the suction port 19 . The rotary cleaning body 31 includes a rotating shaft 51 extending across the suction chamber 41, a plurality of cleaning bodies 52 provided around the rotating shaft 51 and extending spirally over substantially the entire width of the suction chamber 41, It has The plurality of cleaning bodies 52 are composed of soft resin blades and strip-shaped brush bristles alone or alternately.

The electric motor 32 is housed in the electric motor room 42 . The electric motor 32 generates driving force for rotating the rotary cleaning body 31 . The output shaft of the electric motor 32 is oriented in the left-right direction (width direction) of the suction port main body 33 . The output shaft of the electric motor 32 protrudes toward either the right or left side wall of the inlet main body 33 which is closer to the electric motor 32 . This side wall is the side wall of the electric motor room and the side wall furthest from the connecting pipe portion 35 . The electric motor 32 and the rotary cleaning body 31 are connected via a power transmission mechanism 55 . The power transmission mechanism 55 transmits the rotational driving force output by the electric motor 32 to the rotary cleaning body 31 . The power transmission mechanism 55 includes a drive-side pulley 56 provided on the output shaft of the electric motor 32 , a driven-side pulley 57 connected to the shaft end of the rotary cleaning body 31 , and between the drive-side pulley 56 and the driven-side pulley 57 . and a belt 58 around which it is wrapped.

The upper case 37 is combined with the lower case 36 to define the upper half of the electric motor chamber 42 and the upper half of the control circuit board chamber.

The upper case 37 spans between the motor room 42 and the control circuit board room. The fixed pipe 45 of the connecting pipe portion 35 is sandwiched and held between the bridge portion of the upper case 37 and the lower case 36 .

The upper cover 38 is integrally formed with the lower case 36 and closes the upper half portion 41 b of the suction chamber 41 .

The upper edge of the front cover 39 is adjacent to the front edge of the upper cover 38 . The front cover 39 is supported by the upper cover 38 via a hinge mechanism 61 . The hinge mechanism 61 supports the front cover 39 so as to be swingable in the longitudinal direction of the front suction port 43 . Hinge mechanism 61 includes a torsion spring. The torsion spring generates a spring force that pushes the front cover 39 toward the front end of its swing range. When the front surface of the suction port body 6 is pressed against the wall, the front cover 39 swings backward against the spring force of the torsion spring, that is, swings toward the rotary cleaning body 31 and reaches the floor surface. Get closer. This movement of the front cover 39 narrows the opening area of the front suction port 43, increases the flow velocity of the air, and more reliably sucks dust along the wall into the suction chamber 41. - 特許庁

In addition, the suction port body 6 according to the present embodiment includes a plurality of wheels 62 provided on the bottom surface 33b of the suction port main body 33 and supporting the suction port main body 33 on the surface to be cleaned, and extending along the edge of the suction port 19. and seal portions 63 and 64 projecting from the bottom surface 33 b of the suction port body 33 .

The plurality of wheels 62 includes a first wheel 65 provided on the rear side of the suction port main body 33 and a plurality of second wheels 66 provided in the middle of the suction port main body 33 in the front-rear direction.

The first wheel 65 is rotatably provided on the suction port main body 33 .

The plurality of second wheels 66 are, for example, two, and are arranged on the left and right sides of the suction port main body 33 . The rotation shafts of the two second wheels 66 are arranged on the same axis.

In the longitudinal direction of the suction port body 6 , it is preferable that the joint portion of the connecting pipe portion 35 is arranged between the rotating shaft of the first wheel 65 and the rotating shaft of the plurality of second wheels 66 . Such an arrangement relationship between the joint portion and the plurality of wheels 62 stabilizes the posture of the suction port main body 33 in contact with the surface to be cleaned, and the positions of the bottom surface 33b of the suction port main body 33 and the surface to be cleaned facing each other. Stabilize relationships.

The seal portion 63 extends along the rear edge of the suction port 19 . The seal portion 63 functions as an air path resistance that obstructs the flow of air between the bottom surface 33b of the suction port main body 33 and the surface to be cleaned and behind the suction chamber 41 to increase the static pressure of the suction chamber 41 . The rotating shafts of the seal portion 63 and the two second wheels 66 are preferably aligned in a straight line when the suction port main body 33 is viewed from the bottom. Such a positional relationship between the seal portion 63 and the plurality of second wheels 66 stabilizes the relative positional relationship between the seal portion 63 and the surface to be cleaned, that is, the distance between the two. stabilize function.

In addition, the plurality of second wheels 66 may include a second wheel 66 having a rotating shaft arranged off the extension line of the seal portion 63 .

The second seal portions 64 extend along the left and right sides of the suction port 19 and along the left and right edges of the bottom surface 33 b of the suction port main body 33 . The second seal portion 64 functions as an air path resistance that obstructs air flow between the bottom surface 33 b of the suction port main body 33 and the surface to be cleaned, and on the left and right sides of the suction chamber 41 . increase the static pressure of

FIG. 5 is an exploded perspective view of the front side of the wheel holding mechanism of the suction port body according to the embodiment of the present invention.

FIG. 6 is a first exploded perspective view of the rear side of the wheel holding mechanism of the inlet body according to the embodiment of the present invention.

FIG. 7 is a second exploded perspective view of the rear side of the wheel holding mechanism of the inlet body according to the embodiment of the present invention.

FIG. 8 is a partial cross-sectional view of an inlet body according to an embodiment of the invention.

FIG. 8 is a cross-sectional view of a cross section passing through the rotation center line of the second wheel 66 and perpendicular to the bottom surface 33b of the suction port main body 33. As shown in FIG.

As shown in FIGS. 5 to 8, the suction port body 6 according to the present embodiment has a front side 69f facing the same direction as the bottom surface of the case 34, a back side 69b facing the bottom surface of the case 34, and a wheel arrangement extending through the front and back. and a plurality of wheel retainers 69 mounted to the bottom of case 34 with openings 68 therein.

Each wheel holder 69 is attached to the lower case 36 so as to cover a portion of the bottom surface 36b of the lower case 36 . The bottom surface 36b of the lower case 36 includes a hidden portion 36h that is covered by the wheel holder 69 and an exposed portion 36e that is not covered by the wheel holder 69 and is exposed. The front side 69 f of the wheel holder 69 attached to the case 34 and the exposed portion 36 e of the bottom surface 36 b of the lower case 36 correspond to the bottom surface 33 b of the inlet main body 33 .

The plurality of wheel retainers 69 includes a right retainer 71 arranged on the right side of the inlet main body 33 and a left retainer 72 arranged on the left side of the inlet main body 33 . The right holding body 71 extends from the front edge to the rear edge of the right end of the inlet main body 33 . The left holding body 72 is limited to the rear half portion of the left end portion of the inlet main body 33 . The plurality of wheel holders 69 are arranged so as not to overlap and block the suction port 19 and the front suction port 43 . The left second seal portion 64 is provided on the left holding body 72 , while the right second seal portion 64 is provided on the lower case 36 .

When the right holding body 71 is removed from the suction port main body 33, one axial end of the rotary cleaning body 31, here the right axial end 75, is exposed. When the right shaft end 75 of the rotary cleaning body 31 is exposed and the left shaft end of the rotary cleaning body 31 is separated from the driven pulley 57 of the power transmission mechanism 55, the rotary cleaning body 31 is closed to the suction port. It is separated from the body 33 . In other words, when the right holding body 71 is attached to the suction port main body 33, the rotary cleaning body 31 is prevented from being removed from the suction port main body 33, and the right holding body 71 is removed from the suction port main body 33. If so, it can be removed from the suction port main body 33 .

The second wheels 66 are arranged in the wheel arrangement openings 68 from the back side 69b to the front side 69f of each wheel holder 69, as indicated by the two-dot chain line arrows in FIGS. The second wheels 66 also have axles 76 that are sandwiched and held between the case 34 and the respective wheel holders 69 . The second wheel 66 is firmly held to the suction port main body 33 by an axle 76 interposed between the case 34 and a wheel holder 69 combined with the case 34 .

The second wheel 66 may have a roller 77 rotatably supported by the axle 76, or may have a roller 77 integrally rotating with the axle 76 and the axle 76 is rotatably supported by the wheel holder 69. can be When the axle 76 is rotatably held by the wheel holder 69 , the wheel holder 69 preferably has wear resistance at the bearing portion of the axle 76 . This bearing portion may be a separate member of the wheel holder 69, or the wheel holder 69 itself may be made of a wear-resistant material. A mode in which the axle 76 is rotatably supported by the wheel holder 69 is less likely to cause thread-like dust to get entangled in the second wheel 66 than a mode in which the roller 77 is rotatably supported by the axle 76 .

Each of the wheel holders 69 has an axle drop-off prevention portion 79 that prevents the second wheel 66 from dropping out of the wheel holder 69 when the wheel holder 69 is removed from the suction port main body 33. It has The axle dropout prevention portion 79 is, for example, a recessed portion 81 that opens in a direction away from the back side 69b of the wheel holder 69 . The frontage of the recess 81 is narrower than the bottom of the recess 81 and holds the axle 76 so that it does not easily slip out of the recess 81 . The holding force of the axle 76 by the recessed portion 81 is sufficient to prevent the axle 76 from escaping from the recessed portion 81 due to the weight of the second wheel 66, for example, about several tens of grams to a hundred and several tens of grams, and the force of an adult woman's finger, for example, kilograms. It is sufficient that the axle 76 easily escapes from the concave portion 81 when a unit force is applied. The axle dropout prevention portion 79 is intended to prevent the second wheel 66 from being lost when the wheel holder 69 is removed from the suction port main body 33, and firmly holds the second wheel 66 on the wheel holder 69. It does not have to have the function to

In addition, the suction port body 6 may include an intermediate member 83 arranged between the case 34 and the wheel holder 69 . In this case, the second wheel 66 preferably has an axle 76 sandwiched and held between the intermediate member 83 and the wheel holder 69 . It is preferable that the wheel holder 69 has a drop-off prevention portion that prevents the intermediate member 83 from coming off the wheel holder 69 and falling off when the wheel holder 69 is removed from the case 34 . For example, the drop-off prevention portion includes a protrusion provided on one of the wheel holder 69 and the intermediate member 83, a recess provided on the other of the wheel holder 69 and the intermediate member 83 and into which the protrusion is fitted, It is a fitting structure comprising The holding force of the fitting structure is sufficient to prevent the intermediate member 83 from falling off from the wheel holder 69 by its own weight, for example, several tens of grams to a hundred and several tens of grams. It is sufficient that the intermediate member 83 is easily separated from the wheel holder 69 when acted upon. The drop-off preventing portion is intended to prevent loss of the intermediate member 83 when the wheel holder 69 is removed from the case 34, and has a function of firmly holding the intermediate member 83 to the wheel holder 69. I don't have to.

The suction port main body 33 includes a second holding mechanism 8585 that detachably holds the wheel holder 69 on the lower case 36 . A second holding mechanism 85 is provided on each wheel holding body 69 . In other words, the right holding body 71 and the left holding body 72 each have the second holding mechanism 85 .

The second holding mechanism 85 includes a first recess provided in one of the wheel holder 69 and the lower case 36, and a fixed protrusion provided in the other of the wheel holder 69 and the lower case 36 and hooked in the first recess. a second concave portion provided in either one of the wheel holder 69 and the lower case 36; I have. For example, the movable convex portion is moved to be insertable into and removable from the second concave portion by a slide mechanism 87 provided on the wheel holder 69 . The second holding mechanism 85 connects the wheel holder 69 and the lower case 36 with a fixed projection that engages with the first recess and a movable projection that engages with the second recess. Further, in the second holding mechanism 85, the fixed protrusion can be removed from the first recess by operating the slide mechanism 87 to release the movable protrusion from the second recess. and separable. The slide mechanism 87 preferably slides in the lateral direction of the suction port body 6 . The suction port body 6 runs mainly in the front-rear direction. Therefore, the sliding mechanism that slides in the front-rear direction may be unexpectedly caught in an obstacle while the suction port body 6 is running, and the second holding mechanism 85 may be released. The slide mechanism 87 that slides in the left-right direction is less likely to be caught by an obstacle while the suction port body 6 is running, and reduces the possibility that the second holding mechanism 85 will be released.

The suction port main body 33 also has a recessed portion 88 that cooperates with the wheel placement port 68 of the wheel holder 69 to accommodate a portion of the second wheel 66 . When the wheel holder 69 is connected to the case 34, the wheel arrangement opening 68 of the wheel holder 69 and the recessed portion 88 of the case 34 define a space for housing a portion of the second wheel 66, ie, a so-called tire house.

By the way, linear dust, such as lint and hair, winds around the second wheel 66, and cotton-like dust gets caught in the second wheel 66, and the inside of the recessed portion 88, that is, the tire house of the second wheel 66. It may get into the back side of the.

In such a case, in the suction port body 6 according to the present embodiment, by releasing the second holding mechanism 85 and removing the wheel holding body 69 from the case 34 , the recessed portion 88 of the case 34 can be easily opened. When the second wheel 66 is separated from the case 34 together with the wheel holder 69, the dust that has entered the deep side of the recessed portion 88 is not hidden by the second wheel 66 and is exposed to the hidden portion 36h of the bottom surface 36b of the lower case 36. or easily removed from the recess 88 while still attached to the second wheel 66 .

Further, when the wheel holder 69 is removed from the case 34, the user can clean the second wheel 66 from both the rear side 69b and the front side 69f of the wheel holder 69. Therefore, the user can easily remove the dust adhering to the second wheel 66, and the dust wound around the axle 76 and the roller 77 of the second wheel 66 is exposed on the back side 69b or the front side 69f of the wheel holder 69. It can be easily removed by pulling on the end. If the linear dust is tangled around the second wheel 66, the user cuts off the portion exposed on the back side 69b or the front side 69f of the wheel holder 69 with a tool such as scissors, or removes the second wheel. The wheel 66 can be temporarily removed from the wheel holder 69 to untangle and remove tangled dust.

FIG. 9 is a partial perspective view of an inlet body according to an embodiment of the invention with the wheel retainer removed;

FIG. 10 is a partial perspective view of an inlet assembly according to an embodiment of the invention with a wheel retainer attached;

FIG. 11 is a partial cross-sectional view of an inlet body according to an embodiment of the invention;

As shown in FIGS. 9 to 11, the suction port body 6 according to the present embodiment is attached to the suction port main body 33 when the wheel holder 69 is attached to the suction port main body 33 (FIGS. 2 and 10). It is fixed and has a linear seal portion 63 that can be separated from the suction port main body 33 when the wheel holder 69 is removed from the suction port main body 33 (FIG. 9).

The seal portion 63 includes a brush 91 linearly extending in the lateral direction of the inlet main body 33 and a C-channel-shaped holding frame 92 that holds the base of the brush 91 . The base of the brush 91 is a flat cloth narrow in the longitudinal direction of the inlet main body 33, and the brush 91 is a collection of a large amount of bristles extending in the normal direction of the base. The holding frame 92 firmly holds the base of the brush 91 and protrudes a large amount of bristles, that is, the brush 91 from the C-channel-shaped open portion.

The suction port main body 33 includes a seal arrangement portion 93 that extends along the edge of the suction port 19 and allows the seal portion 63 to be slidably arranged.

The seal arrangement portion 93 includes a groove portion 95 that is open to the bottom surface 33 b of the inlet main body 33 and a plurality of claw portions 96 that are provided on the opening edge of the groove portion 95 and hook the seal portion 63 . One end of the groove 95 , the left end 95 L in this embodiment, is open at the concealed portion 36 h of the bottom surface 36 b of the lower case 36 . That is, the left end portion 95L of the groove portion 95 is closed by the left holding body 72 when the left holding body 72 is attached to the suction port main body 33 . The plurality of claw portions 96 includes a plurality of pairs facing each other at the opening edge of the groove portion 95 . The pairs of claw portions 96 are arranged at intervals in the extending direction of the groove portion 95 . There are four pairs of claw portions 96 according to this embodiment, which are arranged at equal intervals in the extending direction of the groove portion 95 .

The seal arrangement portion 93 is configured such that the holding frame 92 of the seal portion 63 arranged in the groove portion 95 is pressed by the claw portion 96, so that the seal portion 63 falls out of the groove portion 95 in the direction facing the bottom surface 33b of the suction port main body 33. prevent

Further, the wheel holder 69 blocks the sliding of the seal portion 63 that is housed in the seal arrangement portion 93 and fixes the seal portion 63 to the suction port main body 33 . That is, the left holding body 72 blocks the opening of the end portion 95</b>L of the groove portion 95 to prevent the seal portion 63 from slipping out in the longitudinal direction of the groove portion 95 .

That is, in the suction port body 6 according to the present embodiment, when the left holding body 72 is removed from the suction port main body 33, the seal portion 63 is pulled out from the left end portion 95L of the groove portion 95 exposed on the bottom surface 33b of the suction port main body 33. be able to. Since the suction port body 6 accommodates the electric motor 32 and the motor control circuit board, it is difficult to wash the seal portion 63 attached to the suction port main body 33 with water. Therefore, the suction port body 6 according to the present embodiment includes a seal portion 63 that can be easily removed from the seal arrangement portion 93 and easily washed with water by itself. The cleaned seal portion 63 is easily returned to the seal arrangement portion 93 by inserting it into the groove portion 95 from the opening of the end portion 95L of the groove portion 95 .

The wheel holder 69 may have either the function of retaining the seal portion 63 (FIGS. 9 to 11) or the function of holding the second wheel 66 (FIGS. 5 to 7). In other words, the retainer 99 may have the function of preventing the seal portion 63 from coming off, but does not have the function of holding the second wheel 66 , and has the function of preventing the seal portion 63 from coming off.

FIG. 12 is a bottom view of another example of the suction port body according to the embodiment of the present invention.

As shown in FIG. 12 , the suction port body 6A according to this embodiment may include a seal portion 63A that extends to the left and right significantly beyond the suction port 19 .

In other words, the seal portion 63A has a first portion held by the seal arrangement portion 93 of the inlet main body 33 and a second portion held by the second seal arrangement portion 101 of the holder 99A. . A first portion of the seal portion 63A extends along the edge of the suction port 19, and a second portion of the seal portion 63A extends from the first portion and protrudes from the front side 99f of the holder 99A. In a bottom view of the suction port body 6A, the seal portion 63A extends from the exposed portion 36e on the bottom surface of the case 34 to the front side 99f of the holder 99A.

The holder 99A holds at least one end of the seal portion 63A, and the inlet main body 33 holds the other portion of the seal portion 63A. The right holder 71A holds the right end of the seal portion 63A, and the left holder 72A holds the left end of the seal portion 63A. The holding body 99A has a second seal placement portion 101 having the same structure as the seal placement portion 93 of the inlet main body 33 . That is, the holding body 99A has a second seal placement portion 101 that can be placed by sliding the second portion.

Note that the seal portion 63A may extend only to one of the right holder 71A and the left holder 72A.

Also, the seal portion 63A may be divided into a first portion and a second portion. In other words, the seal portion 63A is composed of the seal portion 63 held by the seal arrangement portion 93 of the inlet main body 33 and the second seal portion 102 arranged in the extension direction of the seal portion 63 and protruding from the front side 99f of the holder 99A. and may be provided. In this case, the second seal arrangement portion 101 of the holder 99A holds the second seal portion 102 independently so as to be insertable and removable. are pressed against each other at their end surfaces to prevent each other from slipping off.

The second wheel 66 may be arranged in front of the second portion of the seal portion 63A, as indicated by a two-dot chain line in FIG. 12, or may be arranged behind the second portion of the seal portion 63A. good. Also, the second wheel 66 may be arranged linearly on the extension line of the seal portion 63A, as in FIG. When the second wheel 66 is arranged in front or behind the second part of the seal portion 63A, the width dimension of the suction port main body 33 is reduced compared to the case where the second wheel 66 is arranged on the extension line of the seal portion 63A. Easy to miniaturize. Further, when the second wheel 66 is arranged in front of the second portion of the seal portion 63A, compared with the case where the second wheel 66 is arranged in another portion, the rotation axis center of the first wheel 65 and the second The distance between the wheel 66 and the center of the rotation axis is extended, and the stability of the posture of the suction port main body 33 in contact with the surface to be cleaned and the margin of arrangement of the joint portion of the connecting pipe portion 35 are improved.

FIG. 13 is a perspective view of a rotary cleaning body according to an embodiment of the invention;

FIG. 14 is a plan view of an axial end portion of a rotating cleaning element according to an embodiment of the present invention;

FIG. 15 is a side view of a rotating cleaning body according to an embodiment of the present invention;

FIG. 16 is a partial cross-sectional view of a mouthpiece according to an embodiment of the invention;

FIG. 15 corresponds to a view of the rotary cleaning body 31 viewed from its axial direction. FIG. 16 passes through the centerline of rotation of the rotary cleaning body 31 .

As shown in FIGS. 13 to 16 , the rotary cleaning body 31 according to this embodiment includes a pair of shaft end portions 75 and an elongated cleaning body portion 112 rotatably supported by the pair of shaft end portions 75 . , and a bobbin portion 113 provided at least one end portion of the cleaning body portion 112 and fixed to the cleaning body portion 112 so as to rotate integrally.

One shaft end portion 75a is adjacent to the bobbin portion 113 of the cleaning body portion 112, and the other shaft end portion 75b rotatably supports the driven side pulley 57 of the power transmission mechanism 55. As shown in FIG. The driven side pulley 57 is detachably connected to the cleaning body portion 112 and integrally rotates. That is, the other shaft end portion 75b is fixed to the suction port main body 33 and rotatably supports the driven side pulley 57. As shown in FIG.

Each shaft end 75 has a bearing retainer 115 fixed to the inlet main body 33 and a bearing 116 retained by the bearing retainer 115 . The bearing holder 115 has a shape whose diameter changes with respect to the rotation center of the rotary cleaning body 31 , for example, a square shape when viewed from the direction along the rotation center line of the rotary cleaning body 31 . The bearing holder 115 having such a shape is easily held by the suction port main body 33 in a non-rotatable manner. The bearing 116 rotatably supports a shaft portion 117 projecting from a bobbin portion 113 integrally rotating with the cleaning body portion 112 or a shaft portion 117 projecting from a driven side pulley 57 integrally rotating with the cleaning body portion 112 . Further, each shaft end portion 75 has an appropriate retaining mechanism so that the shaft portion 117 does not come off from the bearing 116 .

The cleaning body part 112 includes a rotating shaft 51 extending across the suction chamber 41, a plurality of cleaning bodies 52 provided around the rotating shaft 51 and extending spirally over substantially the entire width of the suction chamber 41, have. The rotating shaft 51 is preferably a hollow shaft. One end of the cleaning body portion 112 is fixed to the bobbin portion 113, and the other end of the cleaning body portion 112 has a fitting structure that connects the driven side pulley 57 and the cleaning body portion 112. . This fitting structure is, for example, a coupling. The fitting structure includes a plurality of concave portions arranged in the radial direction of the cleaning body portion 112 and provided in one of the cleaning body portion 112 and the driven side pulley 57, and one of the cleaning body portion 112 and the driven side pulley 57. and a plurality of protrusions provided and into which the plurality of recesses can be fitted. The rotary cleaning body 31 removes the wheel holder 69 (left holders 72 and 72A) from the suction port main body 33 to expose one shaft end 75a, removes the one shaft end 75a from the suction port main body 33, By releasing the fitting of this fitting structure, it can be easily removed from the inlet main body 33 .

Note that the rotary cleaning body 31 may not have a fitting structure, and the driven side pulley 57 and the cleaning body portion 112 may be fixed to rotate integrally. In this case, the rotary cleaning body 31 can be easily removed from the suction port main body 33 by removing the other shaft end portion 75 b from the suction port main body 33 and removing the belt 58 from the driven side pulley 57 .

The bobbin portion 113 includes a first flange portion 121, a second flange portion 122 closer to the cleaning body portion 112 than the first flange portion 121, and a cylindrical portion provided between the first flange portion 121 and the second flange portion 122. 123 and .

The first flange portion 121 , the second flange portion 122 , and the cylindrical portion 123 preferably have a circular shape or a regular polygonal shape when viewed from the direction along the rotation center line of the rotary cleaning body 31 . The maximum outer diameter of the cylindrical portion 123 is smaller than the maximum outer diameter of the first collar portion 121 and the maximum outer diameter of the second collar portion 122, and the maximum outer diameter of the first collar portion 121 is less than the maximum outer diameter of the second collar portion 122. It is preferably larger than the maximum outer diameter. According to such a dimensional relationship, the bobbin portion 113 tends to catch thread-like dust that tends to wind around the axial end portion of the cleaning body portion 112 .

The first collar portion 121 is closer to one shaft end portion 75a than the second collar portion 122 is. The first brim portion 121 has a notch portion 125 connected to the outer peripheral surface of the tubular portion 123 .

Further, the bobbin portion 113 has a concave portion 126 continuing from the notch portion 125 and recessing a part of the cylindrical portion 123 toward the rotation centerline of the cleaning body portion 112 . The concave portion 126 is open to the side of the shaft end portion 75 near the bobbin portion 113 and can be seen through.

The width of the notch portion 125 and the width of the recessed portion 126 in the rotational direction of the cleaning body portion 112, that is, in the circumferential direction of the cleaning body portion 112, have a predetermined width dimension larger than the plate thickness of the first collar portion 121. . The width of the notch 125 and the width of the recess 126 are, for example, 3 mm to 6 mm. The dimensions are set so that it can be inserted into

With the rotary cleaning member 31 having such a structure, the user can move a commercially available pair of scissors or a blade in the axial direction of the rotary cleaning member 31 and easily insert it into the notch 125 and the recess 126 to remove the dust wound around the bobbin portion 113 . can be resected. In the conventional rotary cleaning body, the scissors or blades are inserted from the radially outer side of the rotary cleaning body 31 toward the center line of the rotary cleaning body 31 . As a result, there is little space for using scissors and knives, and it has sometimes been difficult to handle scissors and knives. In the rotary cleaning body 31 of the present embodiment, the user can handle the scissors or blades inserted into the notches 125 and recesses 126 in a direction away from the center line of the rotary cleaning body 31 in the radial direction. The radially outer side of the cutout portion 125 and the recessed portion 126, that is, the radially outer side of the bobbin portion 113 is an open space without any obstacles. Therefore, the user can handle the scissors or blade inserted into the notch 125 and the recess 126 very easily and as intended. Also, the axial length of the bobbin portion 113 is not affected by the ease of handling scissors or blades inserted into the cutout portion 125 and the recessed portion 126 as long as it is long enough to catch thread-like dust. That is, the total length of the rotary cleaning body 31 can be shortened regardless of the ease of handling scissors or blades inserted into the notch 125 and the recess 126 .

Of the cutout portion 125 and the recessed portion 126, the bobbin portion 113 may include at least the cutout portion 125. As shown in FIG. Moreover, the bobbin portion 113 may be provided at the end of the cleaning body portion 112 having a fitting structure, that is, at the end of the cleaning body portion 112 adjacent to the driven pulley 57 , or may be provided at both ends of the cleaning body portion 112 . may be provided at the end of the

The suction port main body 33 has a second rib 128 sandwiched between the first flange portion 121 and the second flange portion 122 of the bobbin portion 113 . The second rib 128 is also provided on the wheel retainer 69 (left retainers 72, 72A). It is preferable that the second rib 128 is close to the cylindrical portion 123 of the bobbin portion 113 within a range that does not hinder the rotation of the rotary cleaning body 31 . The protruding end of the second rib 128 preferably follows the shape of the tubular portion 123 of the bobbin portion 113 . The second rib 128 easily prevents thread-like dust wrapped around the cleaning body portion 112 and the bobbin portion 113 from entering the boundary between the rotating portion and the fixed portion of the rotating cleaning body 31 .

FIG. 17 is a side view of another example of a rotary cleaning body according to an embodiment of the invention;

As shown in FIG. 17 , the bobbin portion 113A according to this embodiment may include a third rib 131 that spans between the first brim portion 121 and the second brim portion 122 .

When viewed from the direction along the rotation centerline of the rotary cleaning body 31, the third rib 131 is formed by a straight line L virtually drawn between the protruding ends of the adjacent third ribs 131 and from the protruding end of the third rib 131. It is preferable that the shorter one of the tangent lines T virtually drawn to the outer peripheral surface of the cylindrical portion 123 is arranged so as to cross the notch portion 125 .

The third rib 131 enlarges the gap between the outer peripheral surface of the cylindrical portion 123 of the bobbin portion 113A and the thread-like dust wound around the bobbin portion 113A, thereby improving the ease of cutting the thread-like dust.

FIG. 18 is an exploded perspective view of another example of the support structure for the second wheel of the suction port body according to the embodiment of the present invention.

FIG. 19 is a perspective view of another example of the support structure for the second wheel of the suction port body according to the embodiment of the present invention.

As shown in FIGS. 5 to 7, the suction port body 6 has a second axle 76 that is attached while moving from the back side of the bottom surface 33b of the suction port main body 33 toward the front side of the bottom surface 33b of the suction port main body 33. It has two wheels 66 . The “back side of the bottom surface 33b of the suction port main body 33” referred to here corresponds to the back side 69b of the wheel holder 69, and the “front side of the bottom surface 33b of the suction port main body 33” corresponds to the front side 69f of the wheel holder 69. .

On the other hand, as shown in FIGS. 18 and 19, the suction port body 6B according to this embodiment includes a second wheel 66B having an axle 76 attached from a direction parallel to the bottom surface 33b of the suction port main body 33B. ing.

The case 34B of the suction port main body 33B has a recessed portion 88B that cooperates with the wheel placement port 68 of the holder 99B to accommodate a portion of the second wheel 66B. When the holding body 99B is connected to the case 34B, the wheel arrangement opening 68 of the holding body 99B and the recessed portion 88B of the suction port main body 33B define a space for housing a part of the second wheel 66B, a so-called tire house.

The recessed portion 88B supports the axle 76 of the second wheel 66B, unlike the recessed portion 88 of the case 34 shown in FIGS.

The second wheel 66B has a roller 77 rotatably supported by an axle 76. As shown in FIG. The roller 77 of the second wheel 66B is arranged in the recessed portion 88B from a distance to the concealed portion 36h of the bottom surface of the case 34B, as indicated by the two-dot chain line arrow in FIG. The axle 76 of the second wheel 66B is arranged in the recessed portion 88B from a direction parallel to the bottom surface 33b of the inlet main body 33B. That is, one of the left and right walls of the recessed portion 88B has a through hole for supporting the axle 76, and the other of the left and right walls of the recessed portion 88B has a non-penetrating blind hole. Of the left and right walls of the recessed portion 88B, the wall closer to the outer edge of the suction port body 6 (the right wall in this embodiment) has a through hole, and the wall farther from the outer edge of the suction port body 6 In an embodiment the left wall has a blind hole.

The blind hole is preferably a tapered hole whose hole diameter becomes smaller toward the bottom of the hole. Such a blind hole functions as an axle dropout prevention portion that prevents the axle 76 from slipping out of the case 34B and the second wheel 66B from dropping out of the case 34B. The force for holding the axle 76 by the blind hole is sufficient to prevent the axle 76 from escaping from the blind hole due to the weight of the axle 76; It is enough that the axle 76 can easily escape from the blind hole when a force acts on it.

The axle dropout prevention portion may be provided at the open end of the through hole. Such an axle dropout prevention portion may be a protrusion that partially reduces the diameter of the through hole so as to prevent the axle 76 from slipping out of the through hole. The holding force of the axle 76 by the projections is sufficient to prevent the axle 76 from coming out of the through-hole due to the weight of the axle 76, for example, from several tens of grams to a hundred and several tens of grams. It suffices that the axle 76 easily escapes from the through hole when a force acts on it.

Both the axle dropout prevention portion provided in the blind hole and the axle dropout prevention portion provided in the through hole are intended to prevent loss of the second wheel 66B when the holder 99B is removed from the case 34B. , the function of firmly holding the second wheel 66B in the recessed portion 88B may not be provided.

The holder 99B has a front side 99f facing in the same direction as the bottom surface of the case 34B, a back side 99b facing the bottom surface of the case 34B, and a wheel placement opening 68 extending through the front and back, and is attached to the bottom of the case 34B. there is

The holder 99B is attached to the lower case 36B so as to cover part of the bottom surface 36b of the lower case 36B. That is, the bottom surface 36b of the lower case 36B includes a hidden portion 36h that is covered by the holder 99B and an exposed portion 36e that is not covered by the wheel holder 69 and is exposed. The front side 69f of the holder 99B attached to the case 34B and the exposed portion 36e of the bottom surface 36b of the lower case 36B correspond to the bottom surface 33b of the inlet main body 33B.

5 to 7, the axle 76 of the second wheel 66B moves in the radial direction of the axle 76 and from the back side 69b of the wheel holder 69 to the front side 69f. As shown in FIG. 18, the axle 76 of the second wheel 66B moves in the axial direction of the axle 76 and in the direction parallel to the bottom surface 33b of the suction port main body 33B to form a depression. 88B is not limited. As shown in FIG. 18, the suction port bodies 6 and 6A are arranged in the wheel arrangement opening 68 by moving the axle 76 of the second wheel 66 in the axial direction of the axle 76 and in the direction parallel to the bottom surface of the wheel holder 69. including the aspect to be performed. 5 to 7, the axle 76 of the second wheel 66B moves in the radial direction of the axle 76 and downward from above the intake body 33B, and is arranged in the recess 88B. including the aspect to be performed. Specifically, the axle 76 of the second wheel 66B moves in the radial direction of the axle 76 and faces the bottom surface 33b of the suction port main body 33B from the upper front to the lower rear of the suction port main body 33B, and is arranged in the recessed portion 88B. Aspects are included.

18, when the axle 76 is first attached to the inlet main body 33, 33B, the wheel retainer 69 (or the retainers 99, 99A, 99B) attaches the axle 76 to the inlet main body 33. , 33B to block the path along which the axle 76 moves to prevent the axle 76 from moving. 5 to 7, when the axle 76 is first attached to the wheel holder 69 (or the holders 99, 99A, 99B), the suction port main bodies 33, 33B will hold the axle 76 to the wheel. It functions as a blocking portion that blocks the movement path of the axle 76 when attached to the holder 69 (or the holders 99, 99A, 99B) and prevents the axle 76 from moving.

In addition, the suction port body 6B may include an intermediate member arranged between the case 34B and the holding body 99B. In this case, the intermediate member functions as a blocking portion that blocks the movement path of the axle 76 when the axle 76 is attached to the case 34B or the holder 99B, thereby preventing the axle 76 from moving. The case 34B or the holder 99B preferably has a drop-off prevention portion that prevents the intermediate member from coming off the case 34B or the holder 99B when the holder 99B is removed from the case 34B. For example, the drop-off prevention portion has a fitting structure including a convex portion provided on one of the case 34B and the intermediate member, and a concave portion provided on the other of the case 34B and the intermediate member and into which the convex portion is fitted. be. In addition, the drop-off preventing portion includes, for example, a convex portion provided on one of the holding body 99B and the intermediate member, and a concave portion provided on the other of the holding body 99B and the intermediate member and into which the convex portion is fitted. A fitting structure may be used. The holding force of the fitting structure is such that the intermediate member does not come off from the case 34B or the holding body 99B due to its own weight, for example, a holding force of several tens of grams to a hundred and several tens of grams. It is enough that the intermediate member can be easily separated from the case 34B or the holder 99B when a force in kilograms is applied. The drop-off preventing portion is intended to prevent the intermediate member from being lost when the holder 99B is removed from the case 34B, and does not have the function of firmly holding the intermediate member to the case 34B or the holder 99B. good

In the suction port body 6B according to this embodiment, by releasing the second holding mechanism 85 and removing the holding body 99B from the case 34B, the axle 76 of the second wheel 66B can be easily removed from the suction port main body 33B and the second By removing the rollers 77 of the two wheels 66B from the recessed portion 88B, the recessed portion 88B of the case 34B is easily opened. Dust that has entered the deep side of the recessed portion 88B is not hidden by the second wheel 66B, but is exposed to the hidden portion 36h of the bottom surface 36b of the lower case 36B and can be easily removed, or adheres to the roller of the second wheel 66B. It is easily removed from the recessed portion 88B.

In addition, the user can easily clean the rollers 77 of the second wheel 66 when the axle 76 is removed from the suction port body 33B. Therefore, the user can easily remove dust adhering to the second wheel 66B and dust wound around the axle 76 and the roller 77 .

FIG. 20 is an enlarged bottom view of another example of the suction port body according to the embodiment of the present invention.

In the vacuum cleaner 1 and the suction port bodies 6 and 6A according to the present embodiment, as shown in FIGS. A second holding mechanism 85 is provided for holding.

Moreover, as shown in FIG. 20, the vacuum cleaner 1 and the suction port bodies 6 and 6A according to the present embodiment collectively attach the wheel holder 69 and the second wheel 66 to the suction port body 33 by using a tool. A second holding mechanism 85A may be provided to hold the second holding mechanism 85A so as to be detachable from. In this case, the second holding mechanism 85A is a fastener such as a screw 141 that can be fastened using a tool such as a screwdriver. The suction port main body 33 has a female threaded portion for tightening the screw 141, and the wheel holder 69 has an opening through which the screw 141 is inserted. It is preferable that the head of the screw 141 does not protrude from the bottom surface 33b of the inlet main body 33 . Therefore, the wheel holder 69 has a recess 142 for receiving the head of the screw 141 . The recess 142 is preferably open rearward of the inlet main body 33 so as not to be clogged with dust.

Similarly, in the case of holding bodies 99, 99A, and 99B that do not have the function of holding the second wheel 66, the suction port bodies 6, 6A, and 6B are held so as to be detachable from the suction port main body 33 without tools. A holding mechanism 85 may be provided, or a second holding mechanism 85A that holds the suction port body 33 detachably by using a tool may be provided.

As described above, the vacuum cleaner 1 and the suction inlet bodies 6 and 6A according to the present embodiment are fixed to the suction inlet main body 33 when the holding bodies 99 and 99A are attached to the suction inlet main body 33, and are held. When the bodies 99 and 99A are removed from the suction port main body 33, they are provided with linear seal portions 63 and 63A that can be separated from the suction port main body 33. The seal portions 63, 63A are close to the surface to be cleaned, and have the opportunity to come into contact with the surface to be cleaned together with the plurality of wheels 62 of the suction port bodies 6, 6A, so dirt easily adheres to them. In the vacuum cleaner 1 and the suction port bodies 6 and 6A, the seal portions 63 and 63A can be firmly fixed to the suction port body 33 by the holding bodies 99 and 99A attached to the suction port body 33. The seal portions 63 and 63A can be removed from the suction port main body 33 by removing the bodies 99 and 99A. The user can easily clean the seal portions 63 and 63A removed from the inlet main body 33 by themselves, for example, wash them with water.

Further, the vacuum cleaner 1 and the suction port bodies 6 and 6A according to the present embodiment have a seal arrangement portion 93 in which the seal portions 63 and 63A can be slid and arranged, and the seal portions 63 and 63A that are accommodated in the seal arrangement portion 93. and holding bodies 99 and 99A for fixing the seal portions 63 and 63A to the suction port main body 33 by inhibiting the sliding of the suction port main body 33. Therefore, in the vacuum cleaner 1 and the suction inlet bodies 6 and 6A, the seal portions 63 and 63A can be firmly fixed to the suction inlet main body 33 by the holding bodies 99 and 99A attached to the suction inlet main body 33. The seal portions 63 and 63A can be very easily removed from the suction port main body 33 by removing the holders 99 and 99A from.

Furthermore, the vacuum cleaner 1 and the suction port body 6A according to the present embodiment include a holding body 99A that holds at least one end of the seal portion 63A, a suction port main body 33 that holds the other portion of the seal portion 63A, It has Therefore, the vacuum cleaner 1 and the suction port body 6</b>A can exceed the opening width of the suction port 19 to obstruct the flow of air behind the suction port 19 and increase the static pressure of the suction chamber 41 .

The seal portion 63A, which has a first portion along the edge of the suction port 19 and a second portion extending from the first portion and protruding from the front side 99f of the holding body 99A, can be integrally removed from the suction port body 6A. Since it can be used, maintenance is less troublesome, and the risk of loss is low. On the other hand, the seal portion 63A, which is divided into the seal portion 63 held by the suction port main body 33 and the second seal portion 102 held by the holder 99A, separates the seal portion 63 and the second seal portion 102 as appropriate. Can be serviced separately. The holder 99A has a second seal arrangement portion 101 in which the second seal portion 102 can be slidably arranged. Therefore, in the vacuum cleaner 1 and the suction port bodies 6 and 6A, the second seal portion 102 can be firmly fixed to the suction port main body 33 by the holding member 99A attached to the suction port main body 33. By removing the body 99A, the second seal portion 102 can be very easily removed from the holding body 99A.

Further, the vacuum cleaner 1 and the suction port body 6 according to the present embodiment are provided with the axle 76 and the seal portion 63 which are arranged on a straight line when viewed from the bottom of the suction port body 33 . Therefore, the distance between the seal portion 63 and the surface to be cleaned is stabilized, and thus the sealing function of the seal portion 63 is stabilized.

Furthermore, the vacuum cleaner 1 and the suction port bodies 6 and 6A according to the present embodiment have a front side 69f (72f) facing the same direction as the bottom surface 33b of the suction port body 33 and a back side 69b facing the bottom surface 33b of the suction port body 33. (72b) and a wheel arrangement port 68 penetrating from the front and back sides, the wheel holder 69 (holders 99, 99A) mounted on the bottom of the suction port main body 33, and the back side 69b of the wheel holder 69. A second wheel 66 having an axle 76 arranged in the wheel arrangement port 68 toward the front side 69f and sandwiched and held between the suction port main body 33 and the wheel holder 69 is provided. Therefore, the user can remove the wheel holder 69 from the suction port main body 33 and easily clean the second wheel 66 from both the rear side 69b and the front side 69f of the wheel holder 69. FIG. The user can easily remove the dust adhering to the second wheel 66, and the dust wound around the axle 76 and the roller 77 of the second wheel 66 can be removed from the rear side 69b or the front side 69f of the wheel holder 69. It can be easily removed by pulling on the part. If the linear dust is tangled around the second wheel 66, the user cuts off the portion exposed on the back side 69b or the front side 69f of the wheel holder 69 with a tool such as scissors, or removes the second wheel. The wheel 66 can be temporarily removed from the wheel holder 69 to untangle and remove the dust that has entangled the second wheel 66 . Further, the user can easily clean the second wheel 66 from both the back side 69b and the front side 69f of the wheel holder 69 without gouging the second wheel 66 with scissors or tools. In other words, the user does not have to frequently attach and detach the axle 76 of the second wheel 66 from the wheel holder 69 . Therefore, the vacuum cleaner 1 and the suction port bodies 6 and 6A can be provided with a robust support structure for the second wheel 66 that is less worn. Moreover, the vacuum cleaner 1 and the suction mouth bodies 6 and 6A can also reduce the risk of losing the second wheel 66 . The vacuum cleaner 1 and the suction inlet bodies 6 and 6A having the intermediate member 83 arranged between the suction inlet main body 33 and the wheel holder 69 can also exhibit these effects in the same manner.

Therefore, according to the vacuum cleaner 1 and the suction port bodies 6 and 6A according to the present embodiment, the sealing portions 63 and 63A can be firmly fixed to the suction port main body 33, while the sealing portions 63 and 63 are fixed to the suction port main body 33. 63A can be easily removed and cleaned.

While several embodiments of the invention have been described, these embodiments have been presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and modifications can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the scope of the invention described in the claims and equivalents thereof.

DESCRIPTION OF SYMBOLS 1... Vacuum cleaner, 2... Secondary battery, 3... Vacuum cleaner main body, 5... Extension tube, 6, 6A, 6B... Inlet body, 11... Handle part, 12... Main body case, 12a... Front part, 12b... Center part 12c Rear part 13 Electric blower 15 Suction pipe 16 Separation dust collection part 17 Main body control part 19 Suction port 21 Control circuit board 22 Input part 22a Start of operation Switch 22b...Operation stop switch 25...Exhaust port 31...Rotating cleaning body 32...Electric motor 33, 33B...Suction inlet main body 33b...Bottom surface 34, 34B...Case 35...Connecting pipe part 36, 36B ...lower case 36b...bottom surface 36h...hidden part 36e...exposed part 37...upper case 38...upper cover 39...front cover 41...suction chamber 41a...lower half part 41b...upper half part 42... Electric motor chamber 43... Front suction port 45... Fixed pipe 46... Universal joint part 51... Rotating shaft 52... Cleaning body 55... Power transmission mechanism 56... Drive side pulley 57... Driven side pulley 58... belt, 61... hinge mechanism, 62... wheel, 63, 63A... seal portion, 65... first wheel, 66, 66B... second wheel, 68... wheel arrangement opening, 69... wheel holder, 69f... front side, 69b... Back side 71, 71A... Right holding body 72, 72A... Left holding body 75, 75a, 75b... Shaft end portion 76... Axle, 77... Roller, 79... Axle dropout prevention portion, 81... Recessed portion, 83 Intermediate member 85, 85A Second holding mechanism 87 Slide mechanism 88, 88B Recess 91 Brush 92 Holding frame 93 Seal placement portion 95 Groove 95L End 96... Claw portion, 99, 99A, 99B... Holder, 99f... Front side, 99b... Back side, 101... Second seal arrangement part, 102... Second seal part, 112... Cleaning body part, 113, 113A... Bobbin part, DESCRIPTION OF SYMBOLS 115... Bearing holder, 116... Bearing, 117... Shaft part, 121... First flange part, 122... Second flange part, 123... Cylindrical part, 125... Notch part, 126... Recessed part, 128... Second rib, 131 ... third rib, 141 ... screw, 142 ... recess.

Claims (10)

a case having a suction port;
a holder attached to the bottom of the case;
Extends along the edge of the suction port and protrudes from the bottom surface of the case, and is fixed to the case when the holder is attached to the case, and when the holder is removed from the case and a linear seal portion separable from the case. The case includes a seal placement portion that extends along the edge of the suction port and allows the seal portion to be slidably placed,
2. The suction port body according to claim 1, wherein the holding body inhibits sliding of the seal portion accommodated in the seal arrangement portion and fixes the seal portion to the case. The holder holds at least one end of the seal,
The suction port body according to claim 1 or 2, wherein the case holds the other portion of the seal portion. 4. The seal portion according to any one of claims 1 to 3, wherein the seal portion has a first portion along the edge of the suction port and a second portion extending from the first portion and protruding from the front side of the holder. 1. The suction port body according to item 1. The suction port body according to any one of claims 1 to 3, further comprising a second seal portion arranged in the extension direction of the seal portion and protruding from the front side of the holder. 6. The suction port body according to claim 5, wherein the holding body includes a second seal arrangement portion in which the second seal portion can be slidably arranged. 7. The inlet body according to any one of claims 1 to 6, comprising a wheel having an axle held by said holding body. The holding body has a front side facing the same direction as the bottom surface of the case, a back side facing the bottom surface of the case, and a wheel placement opening penetrating the front and back,
8. The suction port according to claim 7, wherein the axle is arranged in the wheel placement port from the back side of the holding body toward the front side thereof, and is sandwiched and held between the case and the wheel holding body. body. An intermediate member disposed between the case and the wheel holder,
The holding body has a front side facing the same direction as the bottom surface of the case, a back side facing the bottom surface of the case, and a wheel placement opening penetrating the front and back,
8. The intake according to claim 7, wherein the axle is arranged in the wheel arrangement opening from the back side to the front side of the holding body, and is sandwiched and held between the intermediate member and the wheel holding body. Mouth. vacuum cleaner body,
an electric blower that is housed in the cleaner body and generates a negative pressure;
10. A vacuum cleaner comprising: the suction port body according to any one of claims 1 to 9, wherein air is sucked by the negative pressure generated by the electric blower.

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