JP2020141801A - Dust collector - Google Patents

Abstract

To provide a dust collector for sufficiently securing sealing property between a hose and a pipe.SOLUTION: A dust collector comprises a main body part including: connection tubes; a dust collection chamber connected to the connection tubes; a motor chamber connected to the dust collection chamber and storing a fan and a motor; and an exhaust port for exhausting gas from the motor chamber. The dust collector includes a hose connected to the main body part; a pipe for allowing a distal end of the hose to be inserted to an inner side; and a seal member arranged inside the pipe and having contact with the distal end of the hose so as to suppress a leakage of air between the hose and an inner surface of the pipe.SELECTED DRAWING: Figure 5

Description

The present invention relates to a dust collector.

A dust collector having a main body that generates a suction force, a head that sucks air by the suction force from the main body, and a connecting pipe that connects the main body and the head is known (for example, a patent). Reference 1). The dust collector described in Patent Document 1 has a configuration in which a hose extending from a main body is connected to a pipe fitting portion at one end of a pipe via a hose joint.

Japanese Unexamined Patent Publication No. 2001-07828

In the configuration described in Patent Document 1, since the pipe fitting portion is formed of resin, it cannot be said that the sealing property between the pipe fitting portion and the hose joint is sufficient.

The present invention has been made in view of the above, and an object of the present invention is to provide a dust collector capable of sufficiently ensuring a sealing property between a hose and a pipe.

According to the aspect of the present invention, the connecting pipe, the dust collecting chamber connected to the connecting pipe, the motor chamber connected to the dust collecting chamber and accommodating the fan and the motor, and the gas from the motor chamber are discharged. A dust collector having a main body having an exhaust port, a hose connected to the main body, a pipe into which the tip of the hose can be inserted, and a pipe arranged inside the pipe. Provided is a dust collector provided with a sealing member that comes into contact with the tip of the hose and suppresses air leakage between the hose and the inner surface of the pipe.

According to the aspect of the present invention, it is possible to provide a dust collector capable of sufficiently ensuring the sealing property between the hose and the pipe.

FIG. 1 is a perspective view showing an example of a dust collector according to the present embodiment. FIG. 2 is a bottom view showing an example of the dust collector according to the present embodiment. FIG. 3 is a side view showing an example of the dust collector according to the present embodiment. FIG. 4 is a diagram showing a cross section of a part of the configuration of FIG. FIG. 5 is an enlarged view showing a part of the connecting pipe portion in FIG. FIG. 6 is a perspective view showing an example of the seal member. FIG. 7 is a side view showing an example of the seal member. FIG. 8 is a cross-sectional view showing an example of the seal member. FIG. 9 is a diagram showing an example of the connecting portion. FIG. 10 is a diagram showing an example of the connecting portion.

Hereinafter, embodiments of the dust collector according to the present invention will be described with reference to the drawings. The present invention is not limited to this embodiment. In addition, the components in the following embodiments include those that can be easily replaced by those skilled in the art, or those that are substantially the same.

1 to 4 are views showing an example of a dust collector 100 according to the present embodiment, FIG. 1 is a perspective view, FIG. 2 is a bottom view, and FIG. 3 is a side view. FIG. 4 is a diagram showing a cross section of a part of the configuration of FIG. The dust collector 100 shown in FIGS. 1 to 4 includes a main body portion 10, a head portion 20, and a connecting pipe portion 30.

The dust collector 100 is a so-called upright type dust collector, and the main body 10 can be maintained in an upright state with respect to the floor surface. When the dust collector 100 is not in use, the main body 10 can be stored in an upright state. Further, at the time of use, the floor surface can be easily moved by keeping the main body portion 10 in an inclined state with respect to the floor surface and moving the head portion 20 while maintaining this state. When the suction is directly performed by the connecting pipe 30, the main body 10 can be maintained upright with respect to the floor surface. Hereinafter, a configuration in a state where the main body 10 is upright will be described.

Hereinafter, a case where dust is collected on a floor surface parallel to a horizontal plane will be described as an example. The direction perpendicular to the floor surface is the vertical direction, the direction away from the floor surface is "upper", and the direction closer to the floor surface is "downward". Further, the directions parallel to the floor surface are the front-rear direction (first direction) and the left-right direction (second direction). In a state where the main body 10 is upright, the direction in which the head 20 protrudes from the main body 10 is defined as "front", and the direction opposite to "front" is defined as "rear". Also, when looking at the "front", the left side is "left" and the right side is "right".

The main body 10 has a housing 11 and an opening / closing cover 12. The housing 11 has, for example, a rectangular box shape, and is provided in a state of extending in the vertical direction. The lower end portion of the housing 11 is connected to the head portion 20 via the connecting portion 17. The connecting portion 17 has a shaft portion extending in the left-right direction, and rotatably supports the housing 11 around the shaft portion. By rotating the housing 11 around the connecting portion 17, the inclination angle can be adjusted between the state of being upright with respect to the floor surface and the state of being parallel to the floor surface (see FIG. 4). ..

The housing 11 has a motor chamber 13 and a dust collection chamber 14 inside. The motor chamber 13 is arranged below the inside of the housing 11. The motor chamber 13 has an electric motor and a suction fan (not shown). In the motor chamber 13, a suction force is generated by the electric motor rotating the suction fan. The air sucked by the suction force of the motor chamber 13 is discharged to the outside from, for example, the exhaust portion 18 of the housing 11.

Further, a controller (not shown) is arranged in the housing 11. The controller controls the operation of the dust collector 100 such as the motor chamber 13. The controller is arranged, for example, between the motor chamber 13 and the exhaust unit 18. With this configuration, the controller can be efficiently cooled by the air exhausted from the motor chamber 13.

The dust collection chamber 14 is arranged on the upper side inside the housing 11 and is provided so as to be openable and closable by the open / close cover 12. The dust collection chamber 14 is provided with a detachable pack capable of accommodating foreign matter from the head portion 20. The dust collection chamber 14 is communicated with the motor chamber 13 via, for example, a filter arranged on the right side. A connecting pipe 15 connected to the connecting pipe portion 30 is provided in the upper part of the dust collecting chamber 14. The dust collection chamber 14 is communicated with the connecting pipe portion 30 via the connecting pipe 15.

A handle 16 is provided on the upper portion of the housing 11. The handle 16 can be gripped when the user moves the dust collector 100. An operation switch is provided on the handle 16. The operation switch is an electronic switch capable of accepting various operations on the dust collector 100. The operation switch can be operated while the user holds the handle 16. The operation switch includes a drive switch and a stop switch.

The head portion 20 has a head housing 21 and traveling wheels 22. The head housing 21 can move along the floor surface while being placed on the floor surface. The head housing 21 has a suction port 23, a suction flow path 24, a battery mounting portion 26, and a cover member 25.

The suction port 23 is arranged at the front portion of the bottom surface 21a of the head housing 21. The suction port 23 is arranged so that the central portion in the left-right direction coincides with, for example, the central portion in the left-right direction of the head housing 21. A rotating brush 23a is arranged at the suction port 23. The rotary brush 23a can rotate about a central axis parallel to the left-right direction. The rotating brush 23a can easily scrape off foreign matter such as dust adhering to the floor of a carpet or the like. The rotary brush 23a is rotated by driving a drive source (not shown) such as a motor.

The suction flow path 24 circulates foreign matter such as air and dust sucked from the suction port 23 to the connecting pipe portion 30. The suction flow path 24 is arranged in the central portion in the left-right direction inside the head housing 21, and extends linearly in the front-rear direction. The front end of the suction flow path 24 is connected to the suction port 23, and the rear end is connected to the connecting pipe 27.

The suction flow path 24 is connected to the central portion of the suction port 23 in the left-right direction. The connecting pipe 27 is arranged at the rear portion of the head housing 21 and connects the suction flow path 24 and the connecting pipe portion 30. The suction flow path 24 is provided linearly in the front-rear direction from the suction port 23 to the connecting pipe 27. A joint 35, which will be described later, is attached to the connecting pipe 27. The suction flow path 24, the communication pipe 27, and the joint 35 form an air flow path in the head portion 20.

The cover member 25 is provided so that the upper portion of the head housing 21 can be opened and closed. The cover member 25 is attached to the front end portion of the head housing 21 via a hinge portion (not shown). The cover member 25 can be rotated about a central axis parallel to the left-right direction by the hinge portion. By rotating the cover member 25, the upper part of the head housing 21 can be opened and closed. The cover member 25 is provided so as to cover the battery mounting portion 26 in a closed state.

The battery mounting portion 26 is arranged inside the cover member 25. The battery mounting portions 26 are arranged on both sides in the left-right direction with respect to the suction flow path 24. The battery mounting unit 26 can mount the battery 50. In the present embodiment, the battery 50 is, for example, a battery for a power tool. The battery 50 is not limited to the battery for power tools, and may be, for example, a general-purpose battery that can be used for other dust collectors. The battery 50 may be rechargeable. The dust collector 100 may further have a configuration that is operated by a power source other than the battery 50.

Further, traveling wheels 22 and training wheels 28 are provided on the bottom surface 21a of the head housing 21. One traveling wheel 22 is arranged on each of the left and right rear portions of the bottom surface 21a. The traveling wheel 22 can rotate about a central axis parallel to the left-right direction of the head portion 20. By rotating the traveling wheel 22, the head portion 20 can be easily moved in the front-rear direction.

The training wheels 28 are arranged at the center of the bottom surface 21a in the left-right direction. The training wheels 28 are arranged so as to project downward from the bottom surface 21a. The training wheels 28 are arranged between the left and right battery mounting portions 26 in a plan view, but the present invention is not limited to this. The training wheels 28 can rotate about a central axis parallel to the left-right direction. The amount of protrusion of the training wheels 28 downward from the bottom surface 21a can be adjusted by the height adjusting portion 21c arranged on the upper surface of the head housing 21. By adjusting the amount of protrusion of the training wheels 28, it is possible to adjust the distance between the rotating brush 23a and the floor surface.

The connection pipe portion 30 connects the main body portion 10 and the head portion 20. In the present embodiment, the connecting pipe portion 30 connects between the connecting pipe 15 of the main body portion 10 and the connecting pipe 27 of the head portion 20. When the main body 10 and the head 20 are connected by the connecting pipe portion 30, foreign matter such as air and dust is sucked from the suction port 23 of the head 20 by the suction force generated in the motor chamber 13 of the main body 10. It will be possible.

FIG. 5 is an enlarged view showing a part of the connecting pipe portion 30 in FIG. The connecting pipe portion 30 has a hose 31, a pipe 32, and a sealing member 33. In the hose 31, the base end portion 31a is connected to the connecting pipe 15 of the main body portion 10. The hose 31 is formed, for example, with a bellows portion. The bellows portion allows the hose 31 to bend in a desired direction and expand and contract in the longitudinal direction. A cuff 34 is provided at the tip end portion 31b of the hose 31. The cuffs 34 have a tubular shape and are formed using, for example, a resin material. The cuff tip 34a, which is the tip of the cuff 34, is opened in a circular shape.

The pipe 32 has a cylindrical shape extending in a linear direction, and the tip end portion 31b (cuffs 34) of the hose 31 can be inserted into the inside from the first end portion 32a. The pipe 32 is formed using, for example, aluminum. With this configuration, the pipe 32 is manufactured so that the inner diameter is uniform, and manufacturing errors are suppressed. The pipe 32 has an end surface 32e in which the second end 32b, which is an end opposite to the first end 32a, is inclined with respect to the central axis AX of the pipe 32. The pipe 32 has a handle 32h. The handle 32h can be gripped when the user moves the pipe 32.

The seal member 33 is formed by using an elastically deformable resin material such as rubber. The seal member 33 is arranged inside the pipe 32. The seal member 33 contacts the tip of the hose 31, that is, the tip of the cuffs 34a, which is the tip of the cuffs 34, and suppresses air leakage between the hose 31 and the inner surface 32s of the pipe 32.

6 to 8 are views showing an example of the seal member 33. 6 is a perspective view, FIG. 7 is a side view, and FIG. 8 is a sectional view. As shown in FIGS. 5 to 8, the seal member 33 has a main body portion 33a, a contact portion 33b, and a protruding portion 33c. The main body 33a is fitted in the pipe 32. The contact portion 33b is a portion that comes into contact with the cuff tip portion 34a. The contact portion 33b is deformable so as to come into contact with the cuff tip portion 34a and bend. The contact portion 33b is, for example, an annular shape, and is formed so as to expand from the main body portion 33a toward the cuff tip portion 34a side. The contact portion 33b is formed to be thinner than the main body portion 33a. As a result, it becomes easy to bend when it comes into contact with the cuff tip portion 34a. Further, the contact portion 33b is formed so that the outer diameter r1 (see FIG. 8) is larger than the diameter of the cuff tip portion 34a. Further, the contact portion 33b is formed so that the inner diameter r2 (see FIG. 8) is smaller than the diameter of the cuff tip portion 34a. With this configuration, the contact portion 33b can secure a stable contact state with the cuff tip portion 34a. For example, the contact portion 33b can secure a state of contact with the cuff tip portion 34a even when the cuff 34 is displaced or tilted in the pipe 32 in the direction perpendicular to the central axis AX.

The protruding portion 33c is arranged at an end portion opposite to the contact portion 33b with respect to the main body portion 33a. The projecting portion 33c has a tubular shape and is arranged so as to project to the outside of the pipe 32. The protruding portion 33c has a step portion 33d between the protruding portion 33c and the main body portion 33a. The step portion 33d has a shape that extends outward from the main body portion 33a to the protruding portion 33c side. The step portion 33d functions as, for example, a stopper when the main body portion 33a is inserted from the second end portion 32b of the pipe 32. When the main body 33a is inserted into the pipe 32, the step 33d is in contact with the second end 32b of the pipe 32. In this case, the second end portion 32b of the pipe 32 is covered with the protruding portion 33c over the entire circumferential direction. Therefore, when the pipe 32 is removed for cleaning, the second end portion 32b of the pipe 32 does not come into direct contact with the floor surface, the wall surface, or the like.

In the protruding portion 33c, the end surface 33e on the tip side in the protruding direction is tilted with respect to the central axis AX of the pipe 32. The end surface 33e is substantially parallel to the end surface 32e of the second end portion 32b of the pipe 32. That is, the protrusion 33c is provided so that the protrusion amount is substantially equal to the end surface 32e of the second end portion 32b of the pipe 32 in the circumferential direction.

The protrusion 33c is detachably provided with respect to the joint 35 mounted on the connecting pipe 27. When the projecting portion 33c is attached to the joint 35, the connecting pipe portion 30 is connected to the air flow passage in the head portion 20 via the communication pipe 27. Therefore, the head portion 20 and the main body portion 10 are connected, and air and dust can be sucked from the head portion 20. In this case, the cuffs 34 of the hose 31 are in an upright posture, for example, so that the cuffs tip 34a comes into contact with the contact portion 33b of the seal member 33 due to gravity and the suction force generated in the main body 10. It can be held in the state. As a result, air leakage between the cuff tip portion 34a and the contact portion 33b is suppressed.

On the other hand, when the protruding portion 33c is removed from the connecting pipe 27, the connecting pipe portion 30 and the connecting pipe 27 of the head portion 20 are not connected. In this case, air and dust can be sucked from the opening of the protruding portion 33c of the sealing member 33. In this case, in the cuffs 34 of the hose 31, for example, in a posture in which the tip portion 32b of the pipe 32 faces downward, the cuffs tip portion 34a contacts the contact portion 33b of the seal member 33 due to gravity and the suction force generated in the main body portion 10. It can be held in the same state. Further, for example, in a posture in which the tip portion 32b of the pipe 32 faces sideways or upward, the cuff tip portion 34a can be held in contact with the contact portion 33b of the seal member 33 by the suction force generated by the main body portion 10. .. As a result, air leakage between the cuff tip portion 34a and the contact portion 33b is suppressed.

9 and 10 are views showing an example of the connecting portion 17. As described above, the housing 11 is rotatable around the connecting portion 17. The connecting portion 17 is rotatable integrally with the housing 11. The connecting portion 17 is rotatably supported by the bearing portion 17b. A micro switch 19 is fixed to the connecting portion 17. Since the micro switch 19 is fixed to the connecting portion 17, it will be arranged on the main body portion 10 side. In the present embodiment, since the controller is arranged on the main body 10 side, it is possible to easily route the wiring between the micro switch 19 and the controller.

The micro switch 19 has a main body portion 19a, a swing portion 19b, and a switch button 19c. The main body 19a has a switch circuit. When the switch button 19c is on, the switch circuit outputs a signal for controlling the drive source for driving the rotary brush 23a to stop the rotation of the rotary brush 23a. Further, when the switch button 19c is off, the switch circuit outputs a signal for controlling the rotation of the rotary brush 23a to the drive source for driving the rotary brush 23a.

One end of the swinging portion 19b is supported by the main body portion 19a, and the other end is swingable with respect to the main body portion 19a. The swinging portion 19b has a curved portion 19d at its tip. The curved portion 19d is curved on the side opposite to the main body portion 19a side. The swinging portion 19b is arranged at a position away from the switch button 19c when no external force is applied. The swinging portion 19b swings to a position where the switch button 19c can be pushed toward the main body portion 19a when an external force directed toward the main body portion 19a is applied.

The switch button 19c is arranged on the surface of the main body 19a facing the swinging portion 19b. The switch button 19c is urged in a direction protruding from the main body 19a by, for example, an elastic member (not shown), and is in an “off” state protruding from the main body 19a when no external force is applied. ing. On the other hand, when the switch button 19c is pushed toward the main body 19a side with a force larger than the urging force of the elastic member, the switch button 19c is in an "on" state immersed in the main body 19a side.

In the present embodiment, as shown in FIG. 9, in the micro switch 19, when the main body 10 is not in an upright posture, the swinging portion 19b is separated from the bearing portion 17b and is separated from the switch button 19c. The arrangement of each part is set in. Further, as shown in FIG. 10, the arrangement of each portion of the micro switch 19 is set so that the swing portion 19b pushes the switch button 19c toward the main body portion 19a when the main body portion 10 is in an upright posture.

With this configuration, as shown in FIG. 9, when the main body 10 is not in the upright posture, the switch button 19c is turned off. Therefore, a signal for rotating the rotating brush 23a is output from the main body 19a. On the other hand, as shown in FIG. 10, when the main body portion 10 is in an upright posture, the switch button 19c is pushed by the swing portion 19b to turn on. Therefore, a signal for stopping the rotation of the rotating brush 23a is output from the main body 19a.

Next, a usage pattern of the above-mentioned dust collector 100 will be described. First, a case where the dust collector 100 is used with the seal member 33 attached to the connecting pipe 27 will be described. In this case, the user grips the handle 16 of the main body 10 to bring the main body 10 upright or tilted with respect to the floor surface, and operates the drive switch. By this operation, a suction force is generated in the motor chamber 13, and air is sucked from the suction port 23 of the head portion 20. As a result, foreign matter such as dust falling on the floor surface is sucked in.

By moving the handle 16 in the front-rear direction while holding the handle 16, for example, the main body 10 is tilted with respect to the floor surface, and the head 20 is moved in the front-rear direction. Further, from this state, the head portion 20 can be rotated and the traveling direction can be changed by turning the handle 16 around an axis parallel to the vertical direction. As described above, when the dust collector 100 is used while the user holds the handle 16, the main body 10 tends to be tilted with respect to the floor surface. In such a case, the switch button 19c of the micro switch 19 is turned off, and the rotating brush 23a rotates. Therefore, the rotating brush 23a rotates while the head portion 20 moves in the front-rear direction by the user's operation. Therefore, for example, foreign matter entwined with a carpet or the like can be scraped off with the rotating brush 23a.

The sucked air and foreign matter flow through the suction flow path 24 and reach the connecting pipe 27. In the present embodiment, the suction flow path 24 is arranged at the center in the left-right direction and is connected to the center of the suction port 23 in the left-right direction. Therefore, the suction port 23 can suck evenly in the left-right direction. Further, since the suction flow path 24 is arranged linearly in the front-rear direction, the loss of suction force is reduced as compared with the configuration in which the suction flow path 24 is routed in a bent state inside the head housing 21. Therefore, air and foreign matter can be sucked with sufficient suction force.

The air and foreign matter that have reached the connecting pipe 27 reach the dust collecting chamber 14 via the sealing member 33, the pipe 32, the hose 31, and the connecting pipe 15. In the present embodiment, since the cuff tip 34a of the hose 31 is in contact with the contact portion 33b of the seal member 33, air leakage between the pipe 32 and the hose 31 is suppressed. Foreign matter is contained in the pack of the dust collection chamber 14. Further, the air is drawn into the motor chamber 13 from the side of the dust collecting chamber 14 and discharged to the outside from the exhaust unit 18.

Next, a case where the dust collector 100 is used with the seal member 33 removed from the connecting pipe 27 will be described. The user can pull out the seal member 33 from the connecting pipe 27 by grasping the handle 32h of the pipe 32 and pulling it upward. By pulling out the seal member 33 from the connecting pipe 27, the connecting pipe portion 30 and the head portion 20 are not connected. In this case, the suction force generated in the main body 10 sucks air from the opening formed at the tip of the protruding portion 33c of the sealing member 33. When the user grips the handle 32h and directs the protruding portion 33c of the seal member 33 toward the floor surface, foreign matter such as dust falling on the floor surface is sucked in from the opening. In the present embodiment, the end surface 33e of the protruding portion 33c is tilted with respect to the central axis AX of the pipe 32. Therefore, when cleaning the wall, for example, it is not necessary to attach an attachment to the tip of the protruding portion 33c or incline the angle of the pipe 32 extremely, and the cleaning can be easily performed only by operating the handle 32h. Can be done.

When the dust collector 100 is used with the pipe 32 removed and the handle 32h gripped in this way, the user maintains the main body 10 in an upright state with respect to the floor surface in order to stabilize the main body 10. Tends to keep the position of. In this case, since the main body 10 is in an upright state, the switch button 19c of the micro switch 19 is turned on, and the rotation of the rotating brush 23a is stopped. If the rotating brush 23a continues to rotate without moving the head portion 20, for example, the floor or the carpet will continue to be locally scraped out. On the other hand, in the present embodiment, since the rotation of the rotating brush 23a is stopped when the head portion 20 is not moved, the local scraping operation is not performed. Therefore, damage to the floor or carpet can be reduced.

The air and foreign matter sucked from the protrusion 33c reach the dust collecting chamber 14 via the inside of the sealing member 33, the pipe 32, the hose 31, and the connecting pipe 15. Foreign matter is contained in the pack of the dust collection chamber 14. Further, the air is drawn into the motor chamber 13 from the side of the dust collecting chamber 14 and discharged to the outside from the exhaust unit 18.

Further, when the user operates the stop switch, the operation of generating the suction force is stopped in the motor chamber 13, and the suction at the suction port 23 of the head portion 20 is stopped. As a result, the operation of the dust collector 100 is stopped. When the dust collector 100 is put away after the operation is stopped, for example, the main body 10 can be stored in an upright state with respect to the floor surface.

As described above, the dust collector 100 according to the present embodiment is a motor that is connected to the connecting pipe 15, a dust collecting chamber 14 connected to the connecting pipe, and is connected to the dust collecting chamber 14 to accommodate a fan 13f and a motor 13m. A dust collector 100 including a main body 10 having a chamber 13 and an exhaust port 18 for discharging gas from the motor chamber 13, a hose 31 connected to the main body 10 and a cuff 34 of the hose 31. A pipe 32 that can be inserted into the pipe 32, and a seal member 33 that is arranged inside the pipe 32 and comes into contact with the cuff tip 34a of the hose 31 to suppress air leakage between the hose 31 and the inner surface 32s of the pipe 32. And.

According to this configuration, the seal member 33 comes into contact with the cuff tip 34a of the hose 31 and can suppress air leakage between the hose 31 and the inner surface 32s of the pipe 32. Therefore, a sufficient sealing property between the hose 31 and the pipe 32 can be ensured.

In the dust collector 100 according to the present embodiment, the seal member 33 has a contact portion 33b that can be deformed so as to come into contact with the cuff tip portion 34a of the hose 31 and bend. According to this configuration, the contact portion 33b is deformed so as to come into contact with the cuff tip portion 34a and bend, so that the contact portion 33b can be brought into contact with the cuff tip portion 34a so as to further suppress air leakage.

In the dust collector 100 according to the present embodiment, the seal member 33 projects from the second end 32b of the pipe 32 to the outside of the pipe 32, and the end surface 33e of the tip in the protruding direction is relative to the central axis AX of the pipe 32. It has an inclined, tubular protrusion 33c. According to this configuration, when the pipe 32 is gripped to clean the wall, for example, it is not necessary to attach an attachment to the tip of the protruding portion 33c or to incline the angle of the pipe 32 extremely, and the handle 32h Cleaning can be easily performed only by operation.

In the dust collector 100 according to the present embodiment, the seal member 33 projects from the second end 32b of the pipe 32 to the outside of the pipe 32, and the end surface 33e of the tip in the protruding direction is relative to the central axis AX of the pipe 32. It has an inclined tubular protrusion 33c, and the contact portion 33b and the protrusion 33c are formed into one member. According to this configuration, one sealing member 33 can secure the sealing property between the hose 31 and the pipe 32, and further secure the operability when the pipe 32 is gripped and cleaned.

The dust collector 100 according to the present embodiment further includes a head portion 20 that sucks air by a suction force from the main body portion 10, and a seal member 33 with respect to a connecting pipe 27 through which the air sucked by the head portion 20 flows. It is provided so that it can be attached and detached. With this configuration, it is possible to easily switch between suction using the head portion 20 and suction using the pipe 32.

In the dust collector 100 according to the present embodiment, the main body portion 10 can be maintained in an upright state with respect to the floor surface. As a result, at the time of use, the main body 10 is kept upright with respect to the floor surface, and by maintaining this state, it can be stably arranged on the floor surface. Further, when not in use, the main body 10 can be stored in an upright state.

The technical scope of the present invention is not limited to the above-described embodiment, and modifications can be made as appropriate without departing from the spirit of the present invention. For example, in the above embodiment, in the seal member 33, the configuration in which the contact portion 33b and the projecting portion 33c are formed as one member has been described as an example, but the present invention is not limited thereto. In the seal member 33, the contact portion 33b and the protruding portion 33c may be formed as separate bodies. In this case, the contact portion 33b may be arranged at the cuff tip portion 34a of the hose 31. Further, the contact portion 33b may be fixed to the inner surface 32s of the pipe 32.

Further, in the above embodiment, the dust collector 100 has been described by taking an upright type dust collector as an example, but the present invention is not limited to this, and other types of dust collectors may be used. Further, in the above embodiment, the configuration in which the attachment is not attached to the seal member 33 has been described as an example, but the present invention is not limited to this, and the configuration may be such that the attachment can be connected to the seal member 33. Examples of such attachments include various attachments such as a head type configuration and a brush type configuration. This improves usability when the pipe 32 is removed and used.

Further, in the above embodiment, the dust collector 100 having the structure in which the motor chamber 13 is arranged on the main body 10 side has been described as an example, but the present invention is not limited to this. For example, the dust collector may have a configuration in which the motor chamber is arranged on the head portion 20 side.

AX ... Central axis, 10,19a, 33a ... Main body, 11 ... Housing, 12 ... Opening and closing cover, 13 ... Motor chamber, 14 ... Dust collection chamber, 15,27 ... Connecting pipe, 16, 32h ... Handle, 17 ... Connecting Section, 17b ... Bearing section, 18 ... Exhaust section, 19 ... Micro switch, 19b ... Swing section, 19c ... Switch button, 19d ... Curved section, 20 ... Head section, 21 ... Head housing, 21a ... Bottom surface, 21c ... Adjustment Part, 22 ... Running wheel, 23 ... Suction port, 23a ... Rotating brush, 24 ... Suction flow path, 25 ... Cover member, 26 ... Battery mounting part, 28 ... Auxiliary wheel, 30 ... Connection pipe part, 31 ... Hose, 32 ... Pipe, 32a ... 1st end, 32b ... 2nd end, 32e, 33e ... End face, 32s ... Inner surface, 33 ... Seal member, 33b ... Contact part, 33c ... Protruding part, 33d ... Step part, 34 ... Cuffs , 34a ... Cuff tip, 35 ... Joint, 50 ... Battery, 100 ... Dust collector

Claims (6)

Connecting pipe and
The dust collection chamber connected to the connecting pipe and
A motor chamber connected to the dust collection chamber and accommodating a fan and a motor,
A dust collector having a main body having an exhaust port for discharging gas from the motor chamber.
The hose connected to the main body and
A pipe into which the tip of the hose can be inserted,
A dust collector which is arranged inside the pipe and includes a sealing member which comes into contact with the tip of the hose and suppresses air leakage between the hose and the inner surface of the pipe. The dust collector according to claim 1, wherein the seal member has a contact portion that is deformable so as to come into contact with the tip end portion of the hose and bend. The sealing member projects outward from the second end of the pipe opposite to the first end of the pipe into which the tip of the hose is inserted, and the tip surface in the protruding direction is the central axis of the pipe. The dust collector according to claim 1 or 2, wherein the dust collector has a tubular protrusion that is tilted with respect to the surface. The seal member projects outward from the second end of the pipe opposite to the first end of the pipe into which the tip of the hose is inserted, and the tip surface in the protruding direction is the central axis of the pipe. It has a tubular protrusion that is tilted with respect to
The dust collector according to claim 2, wherein the contact portion and the protruding portion are formed in one member. A head portion capable of sucking air by the suction force from the main body portion is further provided.
The dust collector according to any one of claims 1 to 4, wherein the seal member is detachably provided with respect to an air flow passage in the head portion. The dust collector according to any one of claims 1 to 5, wherein the main body can be maintained in an upright state with respect to the floor surface.

Images