JP2002165739A - Cleaning tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cleaning tool consisting of a body, an extension pipe and a handle part which is good at body direction change and operativeness. SOLUTION: This tool has a turn body 30 installed vertical-turnably toward a body 20, an extension pipe 32 provided with a handle part 44 at the end edge and a joint part 34 connecting the other end of the extension pipe 32 with the turn body 30. The turn body 30 and the turn face of the joint part 34 are installed at an inclined angle toward the center axis of the long hand direction. The cleaning tool with a high usefulness which can change the direction of the body 20 by only rotating the handle part 44 is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an operating portion of a cleaning tool.

[0002]

2. Description of the Related Art Conventionally, this type of cleaning tool has been configured as shown in FIGS. FIG. 8 shows an example of a cleaning tool such as a mop, and FIGS. 9 and 10 each show an example of a vacuum cleaner.

As shown in FIG. 8, in the conventional cleaning tool, a cleaning body 1 made of a detachable paper towel or the like is fixed to a plate-shaped main body 2 having a flat rectangular shape. A rotating body 3 that can rotate in the direction (front-back direction), that is, is tiltable.
That is, one end of the joint 4 is attached to the rotating body 3 so as to rotate in the longitudinal direction (left-right direction) of the main body 2. At the other end of the joint portion 4, one end of a tubular body 5 made of two aluminum pipes having a built-in lock body (not shown) which is fastened by twisting each other and having a freely adjustable length is attached. A handle 6 made of a synthetic resin is attached to the other end of the tubular body 5.

As shown in FIGS. 9 and 10, in a conventional small stick type vacuum cleaner, a main body 11 having a built-in electric blower 7, a dust collecting portion 8 and a nozzle portion 10 having a suction port 9 is provided. A rotatable body 12 that is rotatable in the vertical direction is attached to one end, and one end of a cylindrical body 13 made of a plurality of aluminum pipes screwed to each other is connected to one end of the rotatable body 12. The handle 14 was attached to the other end of the. A rechargeable battery (not shown) is housed in the main body 11 as a power source. In the main body 11, one end of the rotating body 12 is held upright, and a lock mechanism that can be held by the main body 11, A power switch for turning on the power is provided.

In the above construction, both the cleaning tool and the vacuum cleaner hold the handle portions 6 and 14 by hand, and apply a pushing / pulling force to the main body 2 or 11 via the cylindrical bodies 5 and 14 to thereby attach the mounting plate 2 or the main body. 11 was moved back and forth.

[0006]

However, in the above-mentioned conventional construction, the cylindrical bodies 5 and 13 are connected to each other, so that the cylindrical bodies 5 and 13 become thicker and the screw tightening work at the time of assembly is troublesome. Was. In addition, since the handle portions 6 and 14 were all in a straight shape, force was hardly applied during a push-pull operation during cleaning, and the tires were easily fatigued. Further, when changing the traveling direction of the main bodies 2, 11, the handle portions 6, 1
4 must be largely displaced, and the handleability of the handle portions 6, 14 is poor, so that the usability is deteriorated. In addition, since the handle portions 6, 14 cannot be fixed to the main bodies 2, 11, the upright state is established during cleaning. Or unstable when moving the main bodies 2 and 11 by holding the handle portions 6 and 14.

An object of the present invention is to solve the above-mentioned conventional problems and to provide an easy-to-use cleaning tool, particularly an electric vacuum cleaner.

[0008]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a main body having a cleaning function, a rotating body attached to the main body so as to be vertically rotatable, and a handle at one end. An extension pipe having a joint portion connecting the other end of the extension pipe body to the rotating body, wherein a rotating surface of the rotating body and the joint portion is inclined with respect to a longitudinal center axis of the joint portion. With this arrangement, it is possible to provide a highly usable cleaning tool that can change the direction of the main body only by rotating the handle.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention comprises a main body having a cleaning function, a rotating body attached to the main body so as to be vertically rotatable, and a handle at one end. An extension tube, and a joint for connecting the other end of the extension tube to the rotating body, and a rotating surface of the rotating body and the joint is provided to be inclined with respect to a longitudinal center axis of the joint. Therefore, it is possible to provide a highly usable cleaning tool that can change the direction of the main body only by rotating the handle portion.
More specifically, the joint portion rotates about the longitudinal center axis of the joint portion (the axial direction of the extension tube body when the extension pipe is linearly mounted on the joint portion) with respect to the rotating body. The handle portion of the extension tube is manually tilted by tilting the rotating surface that rotates while the end surface of the joint portion and the end surface of the rotating body are in contact with each other with respect to the longitudinal center axis of the joint portion. When the extension tube is rotated about the axial direction, the joint portion also rotates about the longitudinal central axis. For example, if the joint part is rotated rightward, the inclined rotating surface also changes from the vertical inclination to the horizontal inclination, so that the main body can be turned rightward.
Here, the main body has a cleaning function, and in the case of a vacuum cleaner, the main body has a suction body for sucking dust, and an electric blower or / and a dust collector that sucks dust as necessary. What is necessary is just to have the dust collection part which performs.

According to a second aspect of the present invention, the joint part and the rotating surface of the rotating body are arranged at a position in the range of 10 ° to 80 ° with respect to the longitudinal center axis of the joint part in the rearward direction of the rotating body. It is inclined downward, so that the direction of the main body can be changed only by rotating the handle at hand, and the direction of the main body can be optimally changed in operation.

According to a third aspect of the present invention, there is provided a main body having a cleaning function, a rotary body rotatably attached to the main body in a vertical direction, and an extension pipe having a handle at one end. A joint for connecting the other end of the extension pipe to the rotating body, the rotating body and the joint being rotatably connected to each other, and the extension pipe being substantially upright with respect to the surface to be cleaned. In this case, the rotation of the joint with respect to the main body is restricted, and when the main body is moved by holding the handle, it is easy to carry.

According to a fourth aspect of the present invention, there is provided a locking member for rotatably supporting a rotating body and a joint portion, wherein the rotation of the joint portion with respect to the rotating body is controlled by the locking. The fixing portion provided on the body is engaged with the engaging portion provided on the main body to regulate the fixing portion, and prevents rotation of the handle portion in a state where the tubular body is upright.

According to a fifth aspect of the present invention, the joint portion and the locking member are rotatably supported via an elastic body, and when an external force exceeding a predetermined value acts on the joint portion, the locking portion is locked. It releases the engagement between the body and the joint part. Even if a large external force is applied to the joint part with the tubular body standing upright, no large stress is generated in the locking part, so there is no breakage and reliable Sex can be enhanced.

According to a sixth aspect of the present invention, when the joint portion is released from the engaged state and rotated, a return force for returning to the initial position is generated in the elastic body. Even if a large external force acts on the joint part when the body is upright and the handle part moves from the normal position, it will always return to the normal position if there is no external force, so it is not necessary to return each time, so it is easy to use Is a good one.

According to a seventh aspect of the present invention, an elastic body is provided between an outer periphery of a locking body and a joint portion, and a concave portion is provided on a surface of the outer circumference of the locking body that comes into contact with the elastic body. At least a part of the outer peripheral shape of the locking body has a circular arc portion centered on a portion different from the rotation center of the joint portion, so that downsizing can be achieved and a large restoring force can be reliably obtained.

According to an eighth aspect of the present invention, the elastic body is made of a leaf spring, so that the size can be reduced, and at the same time, a large return force can be ensured with high accuracy and durability can be obtained. .

According to a ninth aspect of the present invention, there is provided a tubular member having a receiving portion formed of an inner cylinder at one end, a fitting portion fitted with the receiving portion, A tubular body having an insertion portion consisting of an engaging claw portion formed in the front is connected to form an extended body, and since a coupling method using a buckle is adopted, an extended tubular body having a small size and good assemblability is provided. A cleaning tool can be provided.

According to a tenth aspect of the present invention, a hole is formed in the side wall of the cylindrical body facing the engaging claw, and the hole can be easily removed by pushing the engaging claw from the hole. Storage and repacking can be ensured.

According to an eleventh aspect of the present invention, the main body and the tubular body are configured to be detachable, and the maximum lengths of the tubular body, the handle portion, and the main body are substantially the same. The packaging talent can be minimized.

According to the twelfth aspect of the present invention, the hole of the cylindrical body is formed at the rear portion of the main body, and the appearance can be improved because the hole is not visible from the front of the main body.

According to the thirteenth aspect of the present invention, since the cylindrical body is a metal pipe, it is possible to obtain a small and easy-to-assemble cylindrical body.

According to the fourteenth aspect of the present invention, since the handle portion has a main body in the shape of an inverted C in the opposite direction, a cleaning tool with a small operating force can be obtained.

According to a fifteenth aspect of the present invention, the main body is provided with an electric blower and a nozzle having a dust collecting portion and a suction port, so that a highly usable vacuum cleaner can be obtained.

[0024]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.
This will be described with reference to FIG.

As shown in FIG. 5 and FIG.
(Hereinafter referred to as the main body) accommodates an electric blower 21 that generates a suction force at the rear, and a dust collection chamber 22 is provided on the suction side of the electric blower 21, that is, on the rear side of the main body 20. Further, a suction port 25 is provided in front of the main body 20, and a suction port 23 is provided on a lower surface of the suction port so that the suction force of the electric blower 21 acts. In addition, a rotary brush 24 that is in contact with the surface to be cleaned via the suction port 23 is rotatably disposed in the suction port 25. A driving motor 26 drives the rotating brush 24 via a rotating belt 27.
A power supply for supplying electric power to the electric blower 21 and the drive motor 26 is provided at a central portion in the main body 20.
8 are stored. 29 is an electric blower 21 in the main body 20.
Is fixed so that the rotating shaft of the electric blower faces in the left-right direction of the main body 20. Reference numeral 30 denotes a ring-shaped rotating body that is rotatably held on the outer periphery of the motor case 29. The rotating body 30 is located at the center of the rear part of the main body 20, and the left-right direction of the main body 20 is defined as the rotation axis direction. It rotates. And suction port 2
The dust scraped up by the rotating brush 24 in 3 is collected in the dust collecting chamber 22 through the suction passage 31 by the suction force of the electric blower 21. Further, a handle portion 44 for the user to hold and move the main body 20 is attached to a joint portion 46 attached to a part of the outer periphery of the rotating body 30 via a tubular extension tube 32.

Next, the extension tube 32 and the handle portion 44
Will be described with reference to FIG. The extension pipe 32 is formed of a cylindrical body 33 which is two aluminum pipes in which a main body joint 34 made of synthetic resin and a handle joint 35 made of synthetic resin are press-fitted and fixed at both ends.
An inner cylinder in which a guide groove 37 extending in the axial direction is provided on the inner peripheral surface at one of the opposite ends of the cylindrical body 33, that is, one of the ends where the main body joint 34 and the handle joint 35 are not provided. A receiving portion 38 composed of 36 is crimped and fixed after press-fitting, and an insertion portion 42 inserted and fitted into the receiving portion 38 is crimped and fixed to the other end after press-fitting. The insertion portion 42 includes a fitting portion 39 that is inserted and fitted into the inner cylinder 36, and an engagement claw 40 formed on an end side of the fitting portion 39.
And a guide rib 41 formed on the outer peripheral surface of the fitting portion 39 so as to extend in the axial direction, and inserted into the guide groove 37 of the inner cylinder 36.
It is composed of The distance L between the step of the engaging claw 40 and the end face of the insertion portion 42 is larger than the overall length L1 of the receiving portion 38. A hole 43 is formed in the side wall of the tubular body 33 facing the engaging claw 40 when the insertion portion 42 is completely inserted into the receiving portion 38, and the engagement of the engaging claw 40 is released through the hole 43. I am trying to do it.

As shown in FIGS. 5 and 6, at both ends of the extension tube 32, there are provided a main body joint portion 34 provided with elastic convex portions 34a, 35a and a handle joint portion 35, respectively. The main body joint portion 34 is inserted into the joint portion 46 of the rotating body 30 and the main body joint portion 3 is
4 and the joint portion 46 are engaged with each other so that they can be detachably attached. Similarly, the handle joint portion 35 is inserted into the handle portion 44 made of a synthetic resin material bent in a dogleg shape, and the handle joint portion 35 and the handle portion 44 are engaged with each other by the elastic convex portion 35a. I am trying to attach it freely. And in the said structure, as shown in FIG. 5, the maximum length Lm of the main body 20, the full length La of the cylindrical body 33, and the full length Lh of the handle part 44 are substantially the same.

The operation of the above configuration will be described. When the insertion portion 42 of the tubular body 33 is inserted straight into the receiving portion 38, the engaging claw 40 made of a synthetic resin material is bent and engaged with the distal end surface of the receiving portion 38. No need to twist like. In the engaged state, the outer periphery of the engaging claw 40 is formed on the receiving portion 3 with the thickness of the cylindrical body 33 added.
Since the inner diameter of the cylindrical body 33 is smaller than that of the outer circumference of the cylindrical body 33, the inner diameter of the cylindrical body 33 is reduced.

By inserting the guide ribs 41 into the guide grooves 37, the positioning in the rotational direction can be performed, and the positioning of the V-shaped handle portion 44 and the main body 20 can be performed. A hole 4 for releasing the engagement of the engagement claw 40 is provided.
Forming 3 on the rear side surface with respect to main body 20 allows release of engagement claw 40 and does not impair the appearance.

Further, since the handle portion 44 has a dogleg shape, the grip position during operation is substantially horizontal with the floor surface, so that the pushing and pulling force is easily transmitted to the main body 20 as compared with a straight portion, and the handle portion 44 can be operated lightly. is there. Furthermore, the maximum length Lm of the main body 20
And the total length La of the cylindrical body 33 and the total length Lh of the handle portion 44
Are almost the same, so that the number of packing can be minimized.

Next, the structure of the joint 46, which is a joint between the main body 20 and the extension tube 32, and the structure of the rotating body 30 are shown in FIG.
This will be described based on Nos.

As described above, the rotating body 30 is rotatably attached to the outer periphery of the motor case 29, and is vertically movable with respect to the main body 20, that is, can be freely tilted. As shown in FIG. Only when the rotating body 30 is rotated so as to be in the state, the rotating body 30 holds its position by the lock mechanism including the spring body and the cam portion (not shown), that is, the extension pipe 32 is in the upright state. Only when the rotation is restricted. The joint portion 46 is rotatably fitted to a substantially cylindrical mounting portion 30 a protruding from a part of the outer periphery of the rotating body 30, and one end is connected to the rotating tubular portion 47. And a connecting portion 48 for inserting the main body joint portion 34 of the extension tube body 32 at the other end side.
They are connected in a bent shape like a letter, and the bending angle Φ is in the range of 100 ° to 170 °. The range of the angle Φ is a range of angles at which the direction of the main body 20 can be changed by rotating the handle portion 44 and the directional change of the main body 20 can be improved in operation. Further, since the rotating body 30 is inclined downward and backward, the rotating body 30 and the main body 20 can be formed compact.

As shown in FIG. 4, inside the rotating cylinder 47,
A substantially U-shaped leaf spring 49 is disposed so as to be displaceable in the radial direction, and the rotating cylindrical portion 47 is formed so as to be smaller in diameter than the cylindrical shape of the rotating cylindrical portion 47 and concentric with the cylindrical shape. A cylindrical holding portion 51 is integrally formed therein. Further, a cylindrical locking body 52 for rotatably inserting a holding portion 51 provided in the rotating cylindrical portion 47 is located in the rotating cylindrical portion 47, and a flange is provided at an end of the locking body 52. A portion 54 is provided so that the locking member does not come off from the mounting portion 30a of the rotating body 30.

The holding portion 51 is attached to the locking member 52 with a truss screw 53, and is held so that the joint portion 46 does not come off from the attachment portion 30a of the rotating body 30. On the outer peripheral surface of the cylindrical locking body 52, a cam surface 57 shaped so as to deviate from the axis center is formed on a side surface facing the leaf spring 49. A fixed portion 55 having a convex shape extending downward is formed at an outer peripheral end of the flange portion 54, and the fixed portion 55 is attached to the outer peripheral surface of the motor case 29 by the rotating body 30.
An engaging portion 56 having a groove formed of two ribs that is sandwiched and held in the rotation direction (see FIG. 3) is provided. Then, as shown in FIGS. 5 and 6, the tubular body 33 to which the handle portion 44 is attached is inserted and fixed to the coupling portion 48 of the joint portion 46.

The operation of the above configuration will be described. The handle part 44 attached to the tubular body 33 inserted and fixed to the joint part 48 of the joint part 46 is rotatable with the rotating body 30 in the up and down direction of the main body 20 as shown by an arrow A in FIG. It can be rotated together with the part 46 in the direction of arrow B. At this time, since the angle Φ is provided between the longitudinal center axis of the joint portion 46 insertion portion of the rotating body 30 and the longitudinal center axis of the joint portion 48 of the joint portion 46, the handle portion 44 is
The direction of the main body 20 can be changed only by turning in the direction, and the direction of the main body 20 can be easily changed. In other words, the turning surface that contacts and turns the connecting portion 48 of the joint portion 46 and the mounting portion 30a of the rotating body 30 is inclined with respect to the longitudinal center axis of the connecting portion 48 of the joint portion 46.

Only when the tubular body 33 is in a substantially upright state,
The rotation of the rotating body 30 is restricted, and the rotation of the rotating body 30 and the joint 46 is also made up of two ribs in which the fixing portion 55 provided on the locking body 52 is provided on the outer peripheral surface of the motor case 29. Since the rotation is regulated by the engaging portion 56 having the groove, the handle 44 can be fixed in position with respect to the main body 20.

At this time, the holding force is determined by the leaf spring 49 and the locking member 5.
2 can be selected by setting the plate thickness of the leaf spring 49 and the initial displacement amount. In the present embodiment, the leaf spring 49 is arranged over the entire length of the rotating cylinder 47, so that a large spring constant can be obtained even if the thickness is small, and the holding force can be secured with a small initial displacement, so that the size can be reduced. Also, by reducing the thickness, the stress generated on the surface of the leaf spring 49 can be reduced, and the durability is improved.

When an external force in the rotation direction greater than the holding force acts on the handle portion 44, the leaf spring 49 rotates together with the rotating cylinder portion 47 and gets over the cam surface 57 provided on the locking body 52 and is deformed. An excessive stress is not generated in the fixing portion 55, and the fixing portion 55 is not broken. Further, when the leaf spring 49 climbs over the cam surface 57 provided on the locking body 52 and presses against the locking body 52 other than the cam surface 57, the arc of the outer peripheral portion of the locking body 52 becomes (In the present embodiment, shifted by Lo / 2 from the center of rotation of the rotary cylinder 47), the pressing force P generated in the normal direction also decreases. The rotational force which is shifted from the center of the moving barrel 47 by Lo / 2 and returns the rotating barrel 47 to its original position is P × L
It becomes o, and the handle portion 44 can be automatically returned to the initial position.

[0039]

As described above, according to the present invention, in a cleaning tool comprising a main body, an extension pipe and a handle portion, a small and easy-to-assemble extension pipe, and a cleaning tool with good direction change and operability of the main body. It can be provided.

[Brief description of the drawings]

FIG. 1A is a partially cutaway side view showing the entire configuration of a tubular body according to an embodiment of the present invention. FIG.

FIG. 2 is a partially broken side view showing a joint structure between the main body and the cylindrical body.

FIG. 3 is a sectional view taken along line aa of FIG. 2 showing the locking body.

FIG. 4 is a cross-sectional view taken along line bb of FIG. 2 showing a relationship between the leaf spring and a locking body.

FIG. 5 is a perspective view showing the overall configuration of the vacuum cleaner.

FIG. 6 is a perspective view showing the overall configuration of the extension tube and a handle.

FIG. 7 is a sectional view of the main body of the vacuum cleaner.

FIG. 8 is a perspective view showing the overall configuration of a conventional cleaning tool.

FIG. 9 is a perspective view showing the overall configuration of the electric vacuum cleaner.

FIG. 10 is a perspective view of the cylindrical body and a handle portion.

DESCRIPTION OF SYMBOLS 20 Body 30 Rotating body 32 Extension tube 33 Cylindrical body 36 Inner cylinder 38 Receiving part 39 Fitting part 40 Engaging claw 42 Inserting part 43 Hole 44 Handle part 49 Leaf spring 52 Locking body 55 Fixed part

Claims (15)

[Claims] 1. A main body having a cleaning function, a rotating body rotatably attached to the main body in a vertical direction, an extension tube having a handle at one end, and the other end of the extension tube being A cleaning tool comprising: a joint portion connected to a rotating body, wherein a rotating surface of the rotating body and the joint portion is provided to be inclined with respect to a longitudinal center axis of the joint portion. 2. The joint according to claim 1, wherein the rotation surfaces of the joint and the rotating body are inclined backward and downward in the range of 10 ° to 80 ° with respect to the longitudinal center axis of the joint. Cleaning tools. 3. A main body having a cleaning function, a rotating body rotatably attached to the main body in a vertical direction, an extension tube having a handle at one end, and the other end of the extension tube being connected to the main body. A joint connected to a rotating body, wherein the rotating body and the joint are rotatably connected to each other, and when the extension pipe is substantially upright with respect to the surface to be cleaned, the joint with respect to the main body is provided. A cleaning tool configured to restrict rotation of the cleaning tool. 4. A locking member for rotatably supporting a rotating body and a joint portion, wherein a rotation of the joint portion with respect to the rotating body is provided on a fixing portion provided on the locking body on a main body. The cleaning tool according to claim 3, wherein the cleaning tool is regulated by engaging with the engaging portion. 5. The joint portion and the locking member are rotatably supported via an elastic body, and when an external force of a predetermined value or more acts on the joint portion, the engagement between the locking member and the coupling portion is released. The cleaning tool according to claim 4, wherein 6. The cleaning tool according to claim 7, wherein when the joint portion is released from the engaged state and rotated, a return force for returning to the initial position is generated in the elastic body. 7. An elastic body is provided between the outer periphery of the locking body and the joint portion, a concave portion is provided on a surface of the outer circumference of the locking body that comes into contact with the elastic body, and at least one of the outer peripheral shapes of the locking body is provided. The cleaning tool according to claim 5, wherein the portion has an arc portion centered on a portion different from a rotation center of the joint portion. 8. The cleaning tool according to claim 7, wherein the elastic body is a leaf spring. 9. A tubular body having a receiving portion formed of an inner cylinder at one end, a fitting portion fitted to the receiving portion, and an engaging claw portion formed in front of the fitting portion. The cleaning tool according to any one of claims 1 to 8, wherein the tubular body having the insertion portion is connected to form an extension tube. 10. The cleaning tool according to claim 9, wherein a hole is formed in a side wall of the cylindrical body facing the engaging claw portion. 11. The cleaning tool according to claim 9, wherein the main body and the cylindrical body are configured to be detachable, and the maximum lengths of the cylindrical body, the handle portion, and the main body are substantially the same. 12. The cylindrical body according to claim 10, wherein a hole of the cylindrical body is formed in a rear portion of the main body. 13. The tubular body according to claim 1, wherein the tubular body is a metal pipe.
13. The cleaning tool according to any one of 12 above. 14. The cleaning tool according to any one of claims 1 to 13, wherein the handle portion has a main body in a shape of an inverted letter in a reverse direction. 15. The apparatus according to claim 1, wherein the main body is provided with an electric blower and a nozzle portion having a dust collecting portion and a suction port.
The cleaning tool according to the item.