JP2001029280A - Vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a vacuum cleaner to be easily carried in an upright condition rotating wheels by equipping the handle part with a tab constituted of an operating part and an engaging part and the extension pipe with a connecting part to be engaged with the engaging part. SOLUTION: When this vacuum cleaner is to be used, a user grips the hand part 404 to carry the cleaner main body 401 in an upright condition rotating the wheels 1001 to a place where the cleaner is to be used. Because the engaging part of a tab 104 attached on the handle part 102 suppresses the connecting part 105 of the extension pipe 406 from being drawn to the upward direction, the connecting part 105 of the extension pipe 406 is engaged with the engaging part of the tab 104 by only gripping and drawing the hand part 404 by one hand. Even when the cleaner main body 401 is in the upright condition, the cleaner can be carried by light operating power without disengaging the extension pipe 406 from the fitting part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a main body structure of a vacuum cleaner and a structure of a joint, and more particularly to a vacuum cleaner having excellent storage and transportability.

[0002]

2. Description of the Related Art A conventional vacuum cleaner has a vacuum cleaner main body provided with an electric blower for sucking dust into a dust collecting chamber, a joint connected to a hose mounting portion of the vacuum cleaner main body, and one end connected to the joint. A hose attached to the portion, a hand portion at the other end of the hose, an extension tube connected to the hand portion and communicating with the hose, and a suction port communicating with the extension tube, and the joint portion has In a vacuum cleaner comprising a joint and a handle provided on the joint, wherein the handle is attached to the joint and an extension pipe is detachably attached to the handle, various methods of storing the cleaner body are provided. Has been proposed.

[0003] Such a method is disclosed, for example, in JP-A-7-39485.
The method disclosed in Japanese Patent Laid-Open Publication No. H10-210, is a method of storing the whole body in a vertical posture without disconnecting, that is, first, the back part of the main body is set so as to be in contact with the floor surface, and further, the extension pipe is fixed and the suction port is removed. In a vertical position with the body down and the handle at the top,
Attach it to the bottom of the vacuum cleaner. In this mounting method, the connecting portion provided on the suction body side of the extension tube is inserted so as to be inserted into a concave portion provided at the tip of the cleaner body. According to this conventional vacuum cleaner, a plurality of components can be stored in a vertical position without being disassembled, so that they can be used immediately when desired, and can be installed easily.

[0004]

However, when the vacuum cleaner is brought from the storage area to a place where the cleaner is to be used and used, the cleaner is lifted by holding the handle portion with one hand in a crouching posture or a crouching posture. , The extension tube must be supported by the other hand and transported, giving the user the burden of lifting and transporting the vacuum cleaner body, and furthermore, both hands are blocked,
Transport was difficult. By solving these problems, a cleaner that is easier to use is expected.

[0005] Therefore, an object of the present invention is to solve the above-mentioned problems, to fix the extension pipe to the joint portion of the cleaner body, to roll the wheels in the vertically stored state, and to easily carry the electric power. It is to provide a vacuum cleaner.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to a cleaner main body provided with an electric blower for sucking dust into a dust collecting chamber, and connected to a hose mounting portion of the cleaner main body. A joint having one end attached to the joint, a proximal end at the other end of the hose, an extension pipe connected to the proximal end and communicating with the hose, and communicating with the extension pipe. The joint portion has a joint,
A handle provided on the joint, wherein the handle is attached to the joint, and an extension pipe is detachably attached to the handle. And a connecting portion that engages with the locking portion is provided on the extension tube.

[0007]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 4 is a perspective view showing the appearance of a vacuum cleaner according to one embodiment of the present invention.

In FIG. 1, reference numeral 401 denotes a cleaner main body in which a control circuit and an electric blower are built, and 402 denotes a cleaner main body 401.
403 is a hose connected at one end to the joint, 404 is a hand connected to the other end of the hose, and 406 is connected to the hose connected to the hand. An extension pipe 405 indicates a suction port communicating with the extension pipe 406.

FIG. 5 shows a vertical sectional view of a vacuum cleaner according to one embodiment of the present invention and the flow of air.

FIG. 1 shows a state in which the handle 102 is detached from the joint 101. The cleaner body 401 includes a lower case 501 that forms the cleaner body 401, a cover 502 that covers the front surface thereof, a cover shaft 503 that allows the cover 502 to open and close so as to be rotatable forward, and on the cover 502. Suction port 5 provided in
04, a dust-collecting case 505 for accommodating a dust-collecting bag, and an airtight holding cover 506 attached to the lid 502 with a member different from the lid 502 to maintain the airtightness of the dust-collecting case 505. The lower case 501 and the motor cover 5
07 is formed.
The dust collecting case 505 houses a dust collecting bag 508, and the electric blower chamber 509 houses an electric blower 510 for collecting dust. A protection filter 511 is provided on the intake side of the electric blower 510 and communicates with the dust collecting case 505. A packing 5 is provided on the upper wall of the dust collecting case 505.
The packing 512 and the airtight holding cover 506 are pressed against each other to keep the dust collecting case 505 airtight. In addition, a substrate storage section 514 covered with an upper cover 513 is formed above the dust collecting case 505, and a control substrate 515 is stored therein. On the upper cover 513, a handle 516 is disposed so as to be rotatable upward in the cleaner body 401. At the rear of the electric blower 510, a code reel 517 is provided, and the cleaner main body 40 is provided.
An exhaust cover 518 is provided in the upper portion behind the lower case 501 corresponding to the back of the first case 1, and a net 5 is provided on the inner surface thereof.
19 are mounted.

FIG. 6 shows a bottom view of only the main part of the lower case of the vacuum cleaner according to one embodiment of the present invention. On the bottom surface of the cleaner main body 401, a lower cover 601 is disposed on the lower case 501 so as to be rotatable toward the bottom surface of the cleaner main body. It is fixed to 501. Three bumpers 603 are attached around the lower case 501 to prevent the cleaner body 401 from being damaged.

FIG. 7 is a bottom view of the main part of the lower case of the vacuum cleaner according to one embodiment of the present invention with the lower cover opened.

When the stoppers 602 on both sides attached to the lower cover 601 are slid to the rear of the cleaner body 401, the lower cover 601 is opened toward the bottom of the cleaner body.
A filter 701 is housed below the electric blower 510 inside the lower case 401, and is held upward by a rib 702 of the lower cover 601. Note that it is preferable to use a high dust collection HEPA filter as the filter 701.

FIG. 8 is a bottom view showing only the main part of the lower case of the vacuum cleaner according to one embodiment of the present invention, with the lower cover opened and the filter and the protective grid removed.

An exhaust port 801 for exhausting air from electric blower 510 is open in lower case 501. A filter is provided on the bottom side of the cleaner body 401 at the exhaust port 801.
A protection grid 802 for holding 701 from above is provided. Since the protection grid 802 has a sufficient exhaust passage area, the load of the exhaust flow does not become large. The exhaust port 801 is inclined so that the rear side of the main body rises. An exhaust passage D520 for guiding exhaust is formed on the bottom surface side of the inclined filter 701, so that the air passing through the filter 701 can efficiently flow to the code reel 517 at the rear.

FIG. 9 shows a cross-sectional view and a flow of air of a vacuum cleaner according to one embodiment of the present invention.

Around the electric blower 510, a sound absorbing material 9 is provided.
Reference numeral 01 is attached to the lower case 501 and the upper cover 513. A flow path is formed such that exhaust gas flows from the top surface to the bottom surface of the cleaner main body 401 around the electric blower 510.

Next, the overall air flow will be described with reference to FIGS. The air is blown into the electric blower 510 from the suction port 504 of the cleaner body 401 through the dust collecting case 505. The control board 515 generates heat during the operation of the cleaner main body 401 by this air flow. However, since the cool air flows through the lower portion by disposing it at the upper part of the dust collecting case 505, the control board 515 is caused by the flow. Is cooled efficiently. Since the electric blower 510 is surrounded by the lower case 501 and the motor cover 507, the air sucked into the electric blower 510 is exhausted from an exhaust port formed in the housing of the electric blower 510, and the electric blower 510 and the motor cover The air is discharged toward the exhaust passage A902 through the space formed between the holes 507.
The exhausted air hits the upper cover 513 and the sound absorbing material 901, branches in the direction of the exhaust passage B 903 or the exhaust passage C 904, flows along the upper cover 513 and the motor cover 507 toward the bottom surface of the cleaner body 401, Electric blower 5
At the lower part of 10, the air flows through the filter 701. The air that has passed through the filter 701 is filtered to remove dust and carbon brush powder, becomes clean air, and flows toward the rear of the main body. Further, the air that has passed through the filter 701 changes its direction backward along the lower cover 601 and flows mostly into the cord reel 517. After the air passes through the heated cord reel 517 and cools,
The exhaust gas passes through the net 519 and the exhaust cover 518 from the exhaust passage D520 and is discharged to the outside of the cleaner main body 401. Since the air for cooling the cord reel 517 is clean air as described above, the power cord wound around the cord reel 517 is not stained.

FIG. 10 is a side view of a vacuum cleaner according to one embodiment of the present invention.

The axis of the wheel 1001 attached to the cleaner main body is shifted from the center of gravity of the electric blower 510 to the cleaner main body 401.
Is located at the rear with respect to the traveling direction of the
1 can be set in a stable state. By obtaining this sense of stability, the vertical replacement of the main body of the dust collection bag 508 and the change of the transport method are facilitated.

FIG. 1 shows a vertically stored state according to an embodiment of the present invention.

The joint 402 is composed of the joint 101 inserted into the suction port 503 of the cleaner body 401 and the handle 102 provided on the upper part of the joint.
The connecting portion 105 of the extension tube 406 is restrained in the bottom direction toward the handle portion 102, and the operating portion 20.
1 and a knob 104 composed of a locking portion 202. The locking portion 202 of the knob 104 engages with the connecting portion 105 attached to the extension tube 406. The knob cover 103 holds the knob 104 in the vertically stored state in a downward direction opposite to an upward direction through which the extension tube 406 passes.

FIG. 2 is an enlarged sectional view of a joint portion and a connecting portion of an extension pipe according to an embodiment of the present invention, and the operation of storage and use will be described.

When using the vacuum cleaner, the user grips the hand portion 403 and transports the wheel 1001 of the cleaner main body 401 by rolling the wheel 1001 to the place of use in the vertically stored state. When transporting, handle 10
The locking portion 202 of the knob 104 attached to the base 2 prevents the connecting portion 105 of the extension tube 406 from being pulled upward in the bottom direction, so that the wheel of the cleaner body is rolled and transported in the vertically stored state. At this time, the connecting portion 105 of the extension tube 406 is engaged with the locking portion 202 of the knob 104 simply by grasping and pulling the hand portion 404 with one hand, so that the cleaner body 4
Even when 01 is in the vertically stored state, the extension tube 406 can be transported with a light operating force without falling out of the fitting portion. After the conveyance, the operation unit 201 of the knob 104 is pulled in the direction of the cleaner main body 401 in order to remove the connecting unit 105 from the locking unit 202. Then, the locking portion 202 that has held the upper end surface of the connecting portion 105 downward is hidden inside the handle portion 102,
The engagement is released, and the extension tube 406 is pulled upward. Extension tube 40
After 6 comes off, the knob 104 returns to the original position by the bias. After using the cleaner, the cleaner main body 401 is set up, and the connecting portion 105 is inserted into the concave portion of the handle portion 102 from above when the locking portion 202 and the connecting portion 105 are engaged.
Since the handle 104 is inclined so as to operate in a direction opposite to the direction in which the knob 104 is urged from the distal end side of the locking portion 202 to the handle 102, the knob 104 can be easily moved to the handle 102.
Once hidden inside. Then, the locking portion 202 is connected to the connecting portion 1.
06, the knob 104 is urged in the engaging direction to complete the engagement. Therefore, even if the cleaner main body 401 is in the vertically stored state, the cleaner can be pulled and conveyed with a light operating force without the connecting portion 105 coming out of the locking portion 202. Therefore, there is no need to hold the grip portion 102 in the crouching posture or the squatting posture, lift the vacuum cleaner, and transport the vacuum cleaner. Further, since the transport is easy, the time required for moving between the storage location and the cleaning location can be reduced, so that the time required for cleaning can also be reduced.

FIG. 3 shows a vertical storage state of a conventional vacuum cleaner body.

In the figure, reference numeral 301 denotes a cleaner main body in which a control circuit and an electric blower are built, and 302 denotes a cleaner main body 301.
30 that is detachably connected to the suction port 303 of the
4 is a hose having one end attached to the joint, 305 is a proximal portion connected to the other end of the hose, 306 is an extension tube connected to the proximal portion and communicating with the hose, and 307 is an extension tube 306. The communicating mouthpiece is shown. Further, the joint portion 302 includes a joint 308 inserted into the suction port portion 303, a buckle knob 309 for locking the cleaner main body 301, and a right and left halving for clamping the buckle knob 309 with the joint 308. , And a handle 311 is formed integrally with the hose cover 310. Three
Reference numeral 12 denotes a connecting portion attached to the extension tube 306. The connecting portion 12 fits into a concave portion 313 provided at the tip of the cleaner main body 301 and can be stored vertically.

When using the vacuum cleaner, hold the handle 311 of the vacuum cleaner in a stowed posture or a squatting posture in a vertically stored state with one hand, lift the vacuum cleaner, and support the extension tube 306 with the other hand. After being conveyed to a place, the connecting portion 312 of the extension tube 306 is pulled out of the cleaner main body 301 and used after the conveyance. After use, place it vertically on the spot,
The user holds the handle 311 of the vacuum cleaner in the vertical storage state in the crouching posture or the squatting posture with one hand, lifts the vacuum cleaner, supports the extension tube 306 with the other hand, and transports the storage device to the storage location for storage. Therefore, when transporting the vacuum cleaner, the user must hold the handle with one hand in the crouching or crouching position, lift the vacuum cleaner, and support the extension tube with the other hand to transport the vacuum cleaner. The burden of lifting and transporting the main body of the vacuum cleaner, and furthermore, both hands are blocked, making transport difficult.

FIG. 12 is a diagram showing the state of conveyance of a vacuum cleaner according to one embodiment of the present invention.

In FIG. 3, when using the vacuum cleaner, after inserting the vacuum cleaner cord into the outlet, hold the hand 404 with one hand to the place of use in a vertically stored state, and use the wheel 1001 of the cleaner main body 401. When rolling and transporting, there is a possibility that a button of the remote control unit 404a attached to the hand unit 404 is erroneously pressed, and the cleaner operates during transport. However, the knob 104 provided on the handle 102
The knob 104 of the cleaner main body 401 is stopped so that the operation of the cleaner main body 401 is stopped while the locking portion 202 of the cleaner main body is engaged with the connecting portion 105 of the extension tube 406 and does not come off from the fitting portion. The stop switch prevents malfunctions. Also, when cleaning is finished, even when the cleaner main body 401 is in operation, the connecting portion 105 is engaged with the locking portion 202 of the knob 104 provided on the handle 102, and the cleaner is in the vertically stored state. Then, the operation of the cleaner main body 401 is stopped, so that the operation can be terminated without pressing the stop switch, which is convenient.

[0031]

As described above, according to the present invention,
First, according to claim 1, the handle of the cleaner body is provided in a vertically stored state by providing a handle comprising an operating portion and a locking portion on the handle portion and a connecting portion engaging with the locking portion on the extension tube. When rolling and transporting, simply pulling the hand part with one hand and pulling it, the connecting part of the extension tube is engaged with the locking part of the knob, so even if the cleaner body is in the vertically stored state, it can be extended. The tube can be conveyed with a small operating force without falling out of the fitting portion. Therefore, there is no need to hold the grip portion in the crouching posture or the squatting posture and lift and transport the vacuum cleaner in a state where both hands are occupied, so that the cleaner can be more easily transported. Further, since the transport is easy, the time required for moving between the storage location and the cleaning location can be reduced, so that the time required for cleaning can also be reduced.

Next, since the handle portion is detachably attached to the joint, it is convenient to remove the handle portion when it is not necessary because it is in the way.

In addition, since the knob is urged in the direction in which the engaging portion and the connecting portion engage, the connecting portion can be engaged without operating the knob, and when the connecting portion is vertically stored,
The connecting portion can be held by the locking portion even during transport.

Further, the handle portion is provided with a concave portion or a convex portion for holding the extension tube, and the connecting portion is formed so as to fit with the convex portion or the concave portion, so that the connecting portion can be easily gripped with one hand. It can be engaged with the locking part of the part.

Next, when the engaging portion engages with the connecting portion, the engaging portion is inclined from the distal end side of the engaging portion to the handle so as to operate in a direction opposite to the direction in which the knob is urged. When mounting, it is possible to operate with a light engagement without operating the knob.

Further, by providing a structure in which the operation of the cleaner main body is stopped when the engaging portion and the connecting portion are engaged, when the cleaning button is erroneously pressed during transportation of the cleaner,
If the extension tube is retracted when the operation is stopped and cleaning is completed, the operation stops, which leads to malfunction prevention and comfortable cleaning.

[Brief description of the drawings]

FIG. 1 is a vertical storage state diagram according to an embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view of a coupling portion and a connecting portion of an extension pipe according to one embodiment of the present invention.

FIG. 3 is a vertical storage state diagram of a conventional vacuum cleaner.

FIG. 4 is a perspective view of the outer appearance of a vacuum cleaner according to one embodiment of the present invention.

FIG. 5 is a vertical sectional view of a vacuum cleaner according to one embodiment of the present invention and a diagram showing an air flow.

FIG. 6 is a bottom view of only the main part of the lower case of the vacuum cleaner according to one embodiment of the present invention.

FIG. 7 is a bottom view of the main part of the lower case of the vacuum cleaner according to one embodiment of the present invention with the lower cover opened.

FIG. 8 is a bottom view of the main part of the lower case of the vacuum cleaner according to one embodiment of the present invention, with a lower cover opened, a filter and a protection grid removed.

FIG. 9 is a cross-sectional view of a vacuum cleaner according to an embodiment of the present invention and a diagram illustrating an air flow.

FIG. 10 is a side view of a vacuum cleaner according to one embodiment of the present invention.

FIG. 11 is a transfer state diagram of the vacuum cleaner according to one embodiment of the present invention.

[Explanation of symbols]

101: Joint, 102: Handle, 104: Knob, 10
Reference numeral 5: connecting portion, 201: operating portion, 202: locking portion, 402
... Joint part, 406 ... Extension pipe.

 ──────────────────────────────────────────────────続 き Continued on the front page F-term (reference) 3B006 PA01 3B057 BA10 BA24 BA26 BA27

Claims (6)

[Claims] 1. A cleaner body provided with an electric blower for sucking dust into a dust collecting chamber, a joint connected to a hose mounting portion of the cleaner main body, and a hose having one end attached to the joint. The other end of the hose has a proximal portion, an extension tube connected to the proximal portion and communicating with the hose, and a suction opening communicating with the extension tube. A handle provided with the handle, the handle being attached to the joint, and an extension tube being detachably provided on the handle, wherein the handle comprises a knob comprising an operating part and a locking part. And a connecting portion that engages with the locking portion is provided on the extension tube. 2. The vacuum cleaner according to claim 1, wherein the handle is detachably attached to the joint. 3. The electric vacuum cleaner according to claim 1, wherein the knob is movably urged in a direction in which the locking portion and the connecting portion engage with each other. 4. The handle according to claim 1, wherein the handle is provided with a concave portion or a convex portion for holding the extension tube, and the connecting portion is formed so as to fit with the convex portion or the concave portion. And vacuum cleaner. 5. The device according to claim 1, wherein, when the engaging portion and the connecting portion are engaged with each other, the engaging portion operates in a direction opposite to a direction in which the knob is urged from a distal end side of the engaging portion to the handle portion. Vacuum cleaner characterized by being inclined as follows. 6. The vacuum cleaner according to claim 1, wherein the operation of the cleaner main body is stopped when the locking portion and the connecting portion are engaged.