JP2020114281A - Vacuum cleaner - Google Patents

Abstract

To provide a vacuum cleaner capable of increasing durability in a fixed part between a handle and a cleaner body when a strong impact is given to the handle of the cleaner body.SOLUTION: A vacuum cleaner according to the present invention includes: an electric blower 17 for generating suction air; a body case 11 for housing the electric blower 17 inside; and a body handle 30 composed of a separate member from the body case 11 and fitted to the body case 11. The body handle 30 is provided with a handle frame 32 integrated with a grip part 31. The grip part 31 is arranged on a front side of the body case 11. The handle frame 32 is arranged on an upper surface part or across a rear surface part and both side surface parts of the body case 11.SELECTED DRAWING: Figure 2

Description

The present invention relates to a vacuum cleaner.

2. Description of the Related Art As an electric vacuum cleaner, a vacuum cleaner whose main body is provided with a handle is known. For example, Patent Document 1 describes that the front cover and the handle are integrally molded, and the front cover is fitted into a mounting position formed on the front surface of the cleaner body and fixed with screws.

JP, 2005-142623, A

However, in the electric vacuum cleaner as disclosed in Patent Document 1, the front cover integrally formed with the handle is fixed to the front surface of the cleaner main body with a screw. For this reason, when a strong impact is applied to the handle when the cleaner body is dropped, stress is concentrated on the screwed portions of the front cover and the cleaner body, which may lead to damage or the like.

The present invention has been made to solve such a problem. It is an object of the present invention to provide an electric vacuum cleaner that can improve the durability of the fixed portion between the handle and the cleaner body when a strong shock is applied to the handle of the cleaner body.

An electric vacuum cleaner according to the present invention is provided with an electric blower for generating suction air, a main body case that houses the electric blower inside, and a main body case that are separate members, and are attached to the main body case. A handle, the handle includes a handle frame integrally formed with a grip portion, the grip portion is disposed on a front side of the main body case, and the handle frame includes an upper surface portion of the main body case or It is arranged over the rear surface portion and both side surface portions.

The electric vacuum cleaner according to the present invention has the effect of improving the durability of the fixed portion between the handle and the cleaner body when a strong impact is applied to the handle of the cleaner body.

It is a perspective view which shows the whole structure of the vacuum cleaner which concerns on Embodiment 1 of this invention. It is a side view of the cleaner body of the electric vacuum cleaner which concerns on Embodiment 1 of this invention. It is a top view of the cleaner body according to Embodiment 1 of the present invention. FIG. 4 is a cross-sectional view of the cleaner body taken along the line AA in FIG. 3. FIG. 4 is a cross-sectional view of the cleaner body taken along the line BB of FIG. 3. It is a top view of the main body handle of the vacuum cleaner main body which concerns on Embodiment 1 of this invention. FIG. 3 is a side view of the main body handle according to Embodiment 1 of the present invention. It is a side view which shows the state which made the rear surface of the cleaner body which concerns on Embodiment 1 of this invention ground, and stood. It is a side view which shows the state which lifted the cleaner main body which concerns on Embodiment 1 of this invention with the main body handle.

Embodiments for carrying out the present invention will be described with reference to the accompanying drawings. In each of the drawings, the same or corresponding parts will be denoted by the same reference signs, and redundant description will be appropriately simplified or omitted. The present invention is not limited to the following embodiments, and various modifications can be made without departing from the spirit of the present invention.

Embodiment 1.
1 to 9 relate to the first embodiment of the present invention. FIG. 1 is a perspective view showing the overall configuration of the electric vacuum cleaner. FIG. 2 is a side view of the cleaner body of the electric vacuum cleaner. FIG. 3 is a top view of the cleaner body. FIG. 4 is a cross-sectional view of the cleaner body taken along the line AA of FIG. FIG. 5 is a cross-sectional view of the cleaner body taken along the line BB of FIG. FIG. 6 is a top view of the body handle of the cleaner body. FIG. 7 is a side view of the main body handle. FIG. 8 is a side view showing a state in which the rear surface of the cleaner body is grounded and stands up. FIG. 9 is a side view showing the state where the cleaner body is lifted by the body handle.

In the following description, dust and other dust may be collectively referred to simply as “dust”. Further, air mixed with dust may be referred to as “dust-containing air”. The air from which dust has been removed may be called “clean air”.

The vacuum cleaner 1 according to this embodiment is a canister-type vacuum cleaner. As shown in FIG. 1, the vacuum cleaner 1 includes a cleaner body 6, a suction tool 2, an extension pipe 3, a connection pipe 4 and a suction hose 5 as main components.

The suction tool 2 is for sucking dust (dust) on the surface to be cleaned together with air. The surface to be cleaned is, for example, the floor surface. A suction port (not shown) is formed on the bottom surface of the suction tool 2. The extension pipe 3 is made of a hollow cylindrical straight member. One end (intake side) of the extension pipe 3 is connected to the suction tool 2.

The connection pipe 4 is made of a hollow cylindrical member that is bent halfway. One end (intake side) of the connection pipe 4 is connected to the other end of the extension pipe 3. An operation handle 7 is provided on the connection pipe 4. The operation handle 7 is for a user of the electric vacuum cleaner 1 to hold and operate. The operation handle 7 is provided with an operation switch 8 for controlling the operation of the electric vacuum cleaner 1.

The cleaner body 6 is for separating dust from air containing dust (dust-containing air) and discharging air from which dust has been removed (clean air) (for example, returning it to the room). Next, the configuration of the cleaner body 6 will be described with reference to FIGS. 2 to 5. In addition, in the following description, the front-back direction and the up-down direction of the cleaner body 6 are determined as shown by the arrows in FIG. The left-right direction of the cleaner body 6 is defined as a direction orthogonal to both the front-back direction and the up-down direction.

The suction hose 5 is formed of a flexible hollow member having a bellows shape. One end (intake side) of the suction hose 5 is connected to the other end of the connection pipe 4. A hose connection 12 is formed at the front end of the cleaner body 6. The hose end 5 a on the other side (exhaust side) of the suction hose 5 is connected to the hose connector 12 of the cleaner body 6.

The cleaner body 6 includes a body case 11. The body case 11 is a member that forms an outer shell of the cleaner body 6. The cleaner body 6 includes an electric blower 17. The electric blower 17 is for generating suction air of the electric vacuum cleaner 1. As shown in FIG. 4, a blower case 18 is housed inside the main body case 11. The electric blower 17 is housed inside the blower case 18. In this way, the electric blower 17 is housed inside the main body case 11. A control board 20 is housed inside the main body case 11. A circuit for controlling the overall operation of the electric vacuum cleaner 1 including the operation of the electric vacuum cleaner 1 is mounted on the control board 20.

As shown in FIG. 5, the cleaner body 6 includes a power cord 16 and a cord reel 19. The cord reel 19 is housed inside the main body case 11 of the cleaner main body 6. The power cord 16 is wound around a cord reel 19. When the power cord 16 is connected to an external power source, the electric blower 17 and internal devices such as the control board 20 are energized. The electric blower 17 is driven by energization and performs a suction operation set in advance in accordance with an operation on the operation switch 8.

The suction tool 2, the extension pipe 3, the connection pipe 4, and the suction hose 5 are continuously formed inside. When the electric blower 17 performs the suction operation, the dust on the floor surface is sucked into the suction tool 2 together with the air. The dust-containing air sucked into the suction tool 2 is sent to the cleaner body 6 through the suction tool 2, the extension pipe 3, the connection pipe 4 and the suction hose 5. As described above, the suction tool 2, the extension pipe 3, the connection pipe 4, and the suction hose 5 form an air passage for allowing dust-containing air to flow into the cleaner body 6 from the outside.

The cleaner body 6 includes a dust collecting unit 10. The dust collector 10 is for collecting dust in the dust-containing air sucked into the cleaner body 6 by the suction air generated by the electric blower 17. The dust collecting unit 10 includes, for example, a paper pack type dust collecting chamber. Further, the dust collecting unit 10 may include a cyclone separating device. The cyclone separation device is a device that swirls the dust-containing air inside by the air flow generated by the electric blower 17 and uses the centrifugal force to separate the dust from the dust-containing air. The dust separated in the dust collecting unit 10 is collected and accumulated in a dust collecting chamber (a dust bag in the case of a paper pack type). The dust collecting portion 10 is arranged inside the main body case 11 in front of the electric blower 17.

The cleaner body 6 includes wheels 14 and casters 15. The wheels 14 are rotatably provided on the left and right sides of the rear portion of the body case 11. The casters 15 are provided on the lower surface of the front portion of the main body case 11. The casters 15 are arranged below the dust collecting unit 10.

An exhaust port 22 is formed on the rear surface of the body case 11. As shown in FIG. 4, an air passage 21 is formed inside the main body case 11. The air passage 21 extends from the hose connecting portion 12 through the dust collecting portion 10 and the electric blower 17 to the exhaust port 22.

When the power cord 16 is connected to the power source, the electric blower 17 performs a suction operation that is set in advance according to the operation on the operation switch 8. When the electric blower 17 starts the suction operation, an airflow is generated in each air passage formed in the electric vacuum cleaner 1, that is, the air passage and the air passage 21 for injecting the dust-containing air into the cleaner body 6. .. When the airflow is generated, the dust on the surface to be cleaned is sucked together with the air from the suction port of the suction tool 2.

The dust-containing air sucked into the suction tool 2 passes through the extension pipe 3, the connection pipe 4 and the suction hose 5, and is taken into the interior of the cleaner body 6 from the hose connection portion 12. The dust-containing air that has flowed into the interior of the cleaner body 6 is sent to the dust collector 10 through the air passage 21. In the dust collector 10, dust is separated from the dust-containing air. Then, the dust-removed and cleaned air is discharged from the dust collecting unit 10. The air (clean air) discharged from the dust collector 10 further travels along the air passage 21 and passes through the electric blower 17. The air that has passed through the electric blower 17 is discharged from the exhaust port 22 to the outside of the cleaner body 6.

The cleaner body 6 includes a body handle 30. The main body handle 30 is a part used by a user of the electric vacuum cleaner 1 to lift and transport the cleaner main body 6. The user can lift the cleaner body 6 by gripping the body handle 30 and raising it. The main body handle 30 is attached to the main body case 11. The main body handle 30 is a member separate from the main body case 11.

Next, members constituting the main body handle 30 will be described with reference to FIGS. 6 and 7. The main body handle 30 includes a grip portion 31 and a handle frame 32. The handle frame 32 is configured integrally with the grip portion 31. A member forming the main body handle 30 has a grip portion 31 and a handle frame 32 that are integrated with each other to form a continuous ring shape. That is, the annular portion of the main body handle 30 serves as the grip portion 31. A portion of the main body handle 30 other than the annular grip portion 31 is a handle frame 32. The member forming the main body handle 30 has a space 34 formed inside the annular shape.

When the main body handle 30 is attached to the main body case 11, as shown in FIGS. 2 and 3, the grip portion 31 is arranged on the front side of the main body case 11. The main body handle 30 is attached to the main body case 11 such that a part of the main body case 11 is inserted into a part of the space 34. Then, the remaining portion of the space 34 forms a space between the grip portion 31 and the front end portion of the main body case 11. The user's hand when gripping the grip portion 31 is inserted into the space between the grip portion 31 and the main body case 11.

When the main body handle 30 is attached to the main body case 11, the main body case 11 is arranged in the space 34 of the annular main body handle 30 as described above. In other words, as shown in FIGS. 2 and 3, the handle frame 32 is arranged so as to extend from the left and right side surface portions of the main body case 11 to the upper surface portion.

In the configuration example shown here, the handle frame 32 is arranged so as to rotate around the upper surface portion of the main body case 11, but the handle frame 32 is arranged so as to be rotated from both side surface portions of the main body case 11 to the rear surface portion thereof. Good. That is, the handle frame 32 is arranged over the upper surface portion or the rear surface portion of the main body case 11 and both side surface portions.

By disposing the handle frame 32 integrated with the grip portion 31 so as to extend from both side surfaces of the main body case 11 to the upper surface portion or the rear surface portion, the main body case 11 and the main body handle 30 can be fixed with the entire handle frame 32. That is, since the fixed portion between the main body handle 30 and the main body case 11 can be enlarged, it is possible to easily increase the number of screw fastening points and the like. Further, the main body handle 30 can be screwed to the main body case 11 from a plurality of positions and directions of the left and right side surface portions of the main body case 11 and the upper surface portion or the rear surface portion, so that the main body case 30 is resistant to impacts from various directions. It is possible. Therefore, impact resistance at the fixed portion between the main body handle 30 and the cleaner main body 6 can be improved.

In addition, even if a strong local impact is applied to the grip portion 31 such as the cleaner body 6 is dropped with the grip portion 31 facing down, the entire handle frame 32 integrated with the grip portion 31 is impacted. You can escape. Therefore, it is possible to suppress damage to the main body handle 30 itself, and thus to prevent the main body handle 30 from falling off the main body case 11 due to an impact. In this way, by disposing the handle frame 32 integrated with the grip portion 31 so as to rotate from the both side surfaces of the main body case 11 to the upper surface portion or the rear surface portion, a strong impact is applied to the main body handle 30 of the cleaner main body 6. When doing so, the durability of the fixed portion between the main body handle 30 and the cleaner main body 6 can be improved.

In this embodiment, the handle frame 32 is exposed on the outer surface of the main body case 11. The exposed portion of the handle frame 32 on the outer surface of the main body case 11 is a design component 23. By doing so, the handle frame 32 allows the design to extend from the grip portion 31 of the main body handle 30 to the design component 23, and the grip portion 31 is arranged on the front side of the main body case 11 without impairing the design. it can. Further, the assembling property when the main body handle 30 is attached to the main body case 11 is also good. However, it is possible to prevent the handle frame 32 from being exposed to the outer surface of the main body case 11.

FIG. 8 shows a state in which the cleaner body 6 configured as described above is erected with its rear surface grounded. When the electric vacuum cleaner 1 is not used, or the like, as shown in the same drawing, the vacuum cleaner main body 6 is stood upright so that the front side of the vacuum cleaner main body is facing upward, and the necessary storage space can be reduced. At this time, since the grip portion 31 of the main body handle 30 is on the front side of the cleaner body 6, when the cleaner body 6 is erected so that the front side of the cleaner body 6 is up, the grip portion 31 of the main body handle 30 is up. Is located in. Therefore, the main body handle 30 can be easily gripped and lifted from the state where the cleaner main body 6 is stood up and stored.

Further, FIG. 9 shows a state in which the cleaner body 6 is lifted by grasping the grip portion 31 of the body handle 30. As shown in the figure, when the cleaner body 6 is lifted by grasping the grip portion 31, the cleaner body 6 is tilted so that the center of gravity G of the cleaner body 6 is located directly below the grip portion 31 in the vertical direction. Stabilize in posture. At this time, since the grip portion 31 of the main body handle 30 is on the front side of the cleaner body 6, the inclination of the cleaner body 6 shown in FIG. 8 from the standing state can be reduced. Therefore, the swinging of the cleaner body 6 when the cleaner body 6 is lifted by grasping the grip portion 31 from the standing state can be reduced, and the cleaner body 6 can be easily lifted.

In the configuration example described here, as shown in FIGS. 4, 6 and 7, a handle cover 33 is provided on the grip portion 31 of the main body handle 30. The handle cover 33 is provided so as to cover at least the side of the grip portion 31 near the cleaner body 6. By doing so, when the vacuum cleaner body 6 is lifted by grasping the grip portion 31 as shown in FIG. 9, a load is applied to the hand holding the grip portion 31, and a handle is provided on the lower portion of the grip portion 31. There is a cover 33. Therefore, it is possible to prevent the main body handle 30 from biting into the hand by the handle cover 33, so that the cleaner main body 6 can be easily held.

The surface of the handle cover 33 may be anti-slip. As the non-slip processing, for example, the surface of the handle cover 33 is processed to be rougher than other parts of the main body handle 30. By doing so, it is possible to prevent the hand gripping the grip portion 31 from slipping and to easily grip the main body handle 30.

In addition, the handle cover 33 may include a material having antibacterial properties. By doing so, it is possible to suppress the propagation of various bacteria and the like on the surface of the handle cover 33, and to maintain a clean state. Furthermore, the handle cover 33 may be formed of a soft material such as gel. Since the handle cover 33 is formed of a soft material, the friction force between the handle cover 33 and the hand that grips the grip portion 31 is increased, and the handle cover 33 is deformed according to the shape of the user's hand to facilitate gripping. ..

1 Electric Vacuum Cleaner 2 Suction Tool 3 Extension Pipe 4 Connection Pipe 5 Suction Hose 5a Hose End 6 Vacuum Cleaner Main Body 7 Operation Handle 8 Operation Switch 10 Dust Collection Part 11 Main Body Case 12 Hose Connection 14 Wheel 15 Caster 16 Power Cord 17 Electric Blower 18 Blower case 19 Code reel 20 Control board 21 Air passage 22 Exhaust port 23 Design part 30 Main body handle 31 Grip part 32 Handle frame 33 Handle cover 34 Space G Center of gravity

Claims (5)

An electric blower for generating suction air,
A main body case that houses the electric blower therein,
A handle that is provided as a separate member from the main body case and that is attached to the main body case,
The handle includes a handle frame integrally formed with a grip portion,
The grip portion is arranged on the front side of the main body case,
The electric vacuum cleaner in which the handle frame is disposed over the upper surface portion or the rear surface portion and both side surface portions of the main body case. The vacuum cleaner according to claim 1, wherein the handle frame is exposed on an outer surface of the main body case. The electric vacuum cleaner according to claim 1, wherein the handle further includes a handle cover provided on the grip portion. The electric vacuum cleaner according to claim 3, wherein the handle cover has a non-slip surface. The vacuum cleaner according to claim 3 or 4, wherein the handle cover includes a material having an antibacterial property.

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