JPH0595684U - washing machine - Google Patents

Abstract

(57) [Abstract] [Purpose] For the main body of the washing machine equipped with one drive source,
An object of the present invention is to provide a washing machine which can be used for multiple purposes and multiple purposes while maintaining its original function by detaching and attaching a plurality of accessory parts and which has good operability. [Structure] A main body of a washing machine having a grip portion, a mounting portion formed on the front surface of the main body so that accessory parts can be detachably mounted, and a rotary drive in which the rotary shaft is protruded from the front surface of the main body. And a brush having an engaging portion formed on the outer peripheral surface at the tip of the rotary shaft, a mounting hole engaging with the engaging portion and an inner peripheral surface thereof, and a side wall surrounding the outer periphery of the brush. It is configured to include a cover having a mounting mechanism for the mounting portion, and a water supply passage that is inserted into the rotation shaft and opens at a tip thereof.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a highly versatile washing machine that can freely perform brush cleaning of floors and walls of structures, automobiles, and any other places by removing accessories.

[0002]

[Prior Art]

 For example, in order to wash floors and walls of buildings, vehicles such as automobiles and ships, or mats and seats, washing machines having a structure in which a brush is attached to the tip of the rotary shaft of a drive source such as an electric motor are used. .. A cover is provided around this brush to prevent splashing of detergent and water during cleaning, and also to prevent the sides and base of the brush from hitting the outside and damaging each other.

By the way, such a washing machine has a wide range of uses as described above. For example, a long handle is used for washing a wide floor or a high position of a wall, and a handle is used for washing a handy portion. Short ones are used, a large brush diameter is used when cleaning a flat surface, and a small brush diameter is used when cleaning an uneven surface. In the past, the types that are suitable for the respective applications have been manufactured.

[0004]

[Problems to be solved by the device]

 However, in the conventional washer as described above, the use is specified, so if different parts need to be washed, multiple washers must be prepared for each purpose. In addition, there was a problem that the purchase cost, the storage space, and the management labor became large. In addition, if the handle is attached to the brush that is integral with the drive source, the weight of the tip increases, making it difficult to perform cleaning work at high places.

In view of the above problems, the present invention has multiple uses and multiple purposes while maintaining its original function by attaching and detaching a plurality of accessory parts to and from a washing machine main body having one drive source. The purpose of the present invention is to provide a washing machine that can be used and has good workability even when the handle is elongated.

[Means for Solving the Problems]

The invention described in claim 1 is a washing machine main body having a grip portion, an attachment portion formed on the front surface of the main body so that an accessory can be detachably attached, and the main body is installed inside the main body. A brush having a rotary drive source having a rotating shaft protruding from the front surface, an engaging portion formed on the outer peripheral surface of the tip of the rotating shaft, and a mounting hole engaging with the engaging portion and the inner peripheral surface thereof. And a cover having a side wall that surrounds the outer periphery of the brush and having a mechanism for attaching to the attachment portion, and a water supply passage that is inserted through the rotation shaft and opens at the tip thereof. According to a second aspect of the invention, in the washing machine according to the first aspect, the engaging portion of the rotary shaft has a groove and a notch surface extending along the circumferential direction of the outer peripheral surface, and the mounting is performed. The hole is formed with a protrusion that protrudes from the inner surface by the bias of the elastic member and engages with the groove, and a transmission surface that abuts the notch surface and transmits the rotation of the rotating shaft to the brush. According to a third aspect of the present invention, there is provided a main body of a washing machine having a grip portion, a mounting portion formed on the front surface of the main body so that an accessory can be detachably mounted, and a rotary shaft that is internally mounted in the main body. An extension member having a rotary drive source protruding from the front surface, a mechanism for attaching to the attachment portion at the base end, and an attachment portion having the same structure as the attachment portion at the tip, and rotatably supported by the extension member. A rotation transmission shaft whose base end can be connected to the rotation shaft, an engagement portion formed at a tip of the rotation transmission shaft, and a mounting hole for engaging the engagement portion and an inner peripheral surface thereof. The brush is provided with a side wall surrounding the outer periphery of the brush and a cover having a mechanism for attaching to the attachment portion. Further, the invention described in claim 4 is the washing machine according to claim 3, wherein the extension member is provided with a universal joint for changing the rotation direction of the rotation transmission shaft.

[0007]

According to the washing machine of claim 1, a brush having a size and shape suitable for the application is selected, and the brush is mounted on the rotary shaft by the engagement of the engaging portion and the mounting hole. Attach a cover of a size that fits the brush that has been attached to the attachment part through the attachment mechanism. By driving the drive source while holding the main body, the brush is rotated and cleaning is performed. Detergent and water required for cleaning are jetted from the opening at the tip of the water through the water supply passage provided on the rotating shaft, but the cover cover prevents the splashing to the outside. Here, the engaging portion of the rotary shaft is formed on the outer peripheral surface of the rotary shaft and does not hinder the flow of the liquid. The brush can be easily attached to and detached from the rotating shaft, and the cover can be easily attached to and detached from the attachment part by using the attachment / detachment mechanism, and it is possible to quickly switch to the brush of the diameter and type according to the application.

According to the second aspect of the present invention, when the rotary shaft and the mounting hole are engaged with each other, the rotation driving force is effectively transmitted by the contact between the notch surface and the transmission surface, and the groove and the protrusion are provided. By engaging the parts with the biasing force of the elastic member, relative movement of both parts in the axial direction is prevented, and attachment / detachment can be easily performed with one touch.

According to the washing machine of the third aspect, the washing machine having a long handle is constructed by attaching the extension member to the attachment portion and attaching the brush or the cover to the front end of the extension member. The attachment part and the attachment mechanism of the extension member have the same structure as the main body and cover, respectively, and the connection between the rotation shaft and the rotation transmission shaft and the connection between the rotation transmission shaft and the brush have been standardized as in the connection structure between the rotation shaft and the brush. By doing so, it is possible to optionally interpose or remove the extension member.

According to the cleaning machine of the fourth aspect, by incorporating the universal joint in the extension member, the angle of the brush attached to the tip of the extension member can be appropriately changed, and the cleaning function for the uneven portion can be obtained. Improve.

[0011]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. 1 and 2, reference numeral 1 denotes a main body of a washing machine, which includes a substantially cylindrical casing 2 and handles 3a and 3b provided on a lower portion and a side portion of a proximal end side of the casing 2. A mounting plate 4 is provided on the front surface of the main body 1, and a mounting portion 5 for mounting and removing accessory parts is provided on the mounting plate 4. An electric motor, which is a drive source, is housed inside the casing 1, and an output shaft (rotating shaft) 6 thereof projects from a hole 7 formed in the center of the mounting plate 4. A switch 8 for controlling on / off of the motor is provided on the inner portion of the handle 3a, and a cable for supplying power is also attached.

The mounting portion 5 has three screw holes 9 formed at equal distances from the center of the mounting plate 4 at equal intervals in the circumferential direction, and headed bolts 10 are screwed into the screw holes 9. ing. A notched surface 11 is formed on the outer periphery of the tip end portion of the rotary shaft 6 so that the cross section is triangular, and a locking groove 12 having an arcuate cross section is formed along the circumferential direction on the round shaft portion on the slightly proximal end side. ing. The notch surface 11 and the locking groove 12 constitute an engaging portion 13 that connects the rotary shaft 6 to the driven member with one touch and transmits a rotational force. In addition, a water supply passage 14 that penetrates through the center of the rotary shaft 6 is formed so as to open at the tip of the rotary shaft 6, and the water supply passage 14 is connected to the other end of the rotary shaft 6 by a rotary joint ( It is connected to the water supply plug 15 provided in the casing 2 via (not shown).

Reference numeral 20 is a cover that is detachably attached to the attachment portion 5 of the main body 1, and the disc portion 21 and the side plate 22 are integrally formed of synthetic resin or the like. A hole 23 for inserting the rotary shaft 6 is formed at the center of the disc portion 21, and a keyhole-shaped mounting hole 24 is formed at a position corresponding to the screw hole 9 and the head bolt 10 of the mounting portion 5. There is. The mounting hole 24 includes a large hole 25 having an inner diameter slightly larger than the outer diameter of the head of the head bolt 10 and an elongated hole-shaped small hole having a width slightly larger than the outer diameter of the bolt shaft of the head bolt. 26 are formed side by side in the circumferential direction. A water supply plug 27 is also provided on the outer peripheral surface of the side plate 22. Several kinds of covers 20 are prepared according to the diameter of the brush 30.

As shown in FIG. 2, the brush 30 is formed by implanting a brush 32 on one surface of a disk 31, and a cylindrical mounting member 34 having a mounting hole 33 in the center of the disk 31. Is set up. The mounting hole 33 includes a round hole portion 35 and a square hole portion 36 corresponding to the engaging portion 13 of the rotary shaft 6. The circular hole portion 35 has a circular cross section, and an annular accommodation groove 37 is formed at a position corresponding to the locking groove 12 formed in the engaging portion 13, and a plurality of small balls (projection portions) are formed in the accommodation groove 37. No. 38 is inserted while being prevented from leaving. A spring is arranged between the small ball 38 and the bottom portion of the housing groove 37, whereby the small ball 38 is biased toward the center. Further, the square hole portion 36 has a triangular cross-sectional shape that fits into the tip portion of the rotary shaft 6.

The operation of the washing machine of the above embodiment will be described below. First, the brush 30 having the required size and shape is selected, and the cover 20 having the corresponding size and shape is attached to the mounting plate 4 of the main body 1. This is done by aligning the centers of the two and inserting the headed bolt 10 into the large-diameter hole 25 of the mounting hole 24, and then rotating the two relatively to move the shaft of the bolt 10 to the small-diameter hole 26. In this state, the head of the headed bolt 10 may be tightened with a hand or a screwdriver. Next, when the triangular hole of the mounting hole 33 of the brush 30 is inserted into the triangular shaft of the rotary shaft 6, the small ball 38 is pushed out by a spring when the small ball 38 comes to the position of the locking groove 12, and both are engaged. Then, the brush 30 is attached.

Then, when the handles 3a and 3b are gripped and a brush is applied to a predetermined position and the switch 8 is turned on, the motor is operated and the brush 30 is rotated. If necessary, a pipe connected to a supply source of detergent liquid, water or the like is connected to the water supply plugs 15 and 27 of the main body 1 or the cover 20. Here, if it is desired to change the size, shape, etc. of the diameter of the brush 30, the brush 30 and the cover 20 may be removed in the reverse order and a new one may be attached, and the replacement can be performed easily and quickly.

Another embodiment of this washing machine is shown in FIG. This uses a plate-shaped frame 42 having a handle 41 attached via a metal fitting 40. The frame 42 is provided with three holes like the cover 20, and is attached to the cover 20. By sandwiching this between the plates 4, a washing machine with a handle can be assembled. In this case, a switch may be provided on the grip portion 43 of the handle 41. Further, a structure for mounting such a frame may be provided separately from the mounting portion. According to this embodiment, the floor surface can be washed in a standing posture by simply attaching the accessory.

FIG. 4 and FIG. 5 show another embodiment, and reference numeral 50 is an extension member. The extension member 50 has a tubular member 51 having a predetermined length, and a rotation converting portion 53 attached to the tip end side of the tubular member 51 via a universal joint 52. Bearings 54 are provided at both ends of the tubular member 51, and thereby the rotation transmission shaft 55 is supported therein.

A flange 56 is provided on the base end side of the tubular member 51, and a mounting hole 57 similar to that of the cover 20 is provided on the flange 56. Similarly, a base end portion of the rotation transmission shaft 55 is also provided. A mounting member 59 having a mounting hole having a structure similar to that of the brush 30 is provided. As a result, by engaging the headed bolt 10 with the mounting hole 57 and joining the flange 56 to the mounting portion 5 of the main body 1, the rotation shaft 6 and the rotation transmission shaft 55 are simultaneously connected. There is.

The rotation converting portion 53 includes an input shaft 61 and an output shaft 62, which are orthogonal to each other, connected to each other inside a casing 60 via bevel gears 63 and 64, and the input shaft 61 has a universal joint 65. It is connected to the rotation transmission shaft 55 via. A mounting plate 66 is provided on the output shaft side of the rotation converting portion 53, and the mounting plate 66 is provided with a mounting portion (not shown) made up of three bolts like the mounting plate 4 of the main body 1 described above. There is. Further, the output shaft is provided so as to project from the mounting plate 66, and an engaging portion similar to the rotary shaft 6 of the main body 1 is also provided at the tip thereof. Therefore, the cover 20 and the brush 30 can be attached to the rotation converting portion 53 in exactly the same manner as in the case of attaching to the main body 1. A water supply passage 67 is formed on the output shaft 62, and this is connected to a water supply plug 68 provided on the other end side of the output shaft 62. Most of both the extension member 50 and the rotation converting portion 53 are formed of plastic, and have a structure that is lightweight and has sufficient strength.

The washing machine of this embodiment is convenient when it is necessary to carry out the washing operation by lifting the washing machine itself, such as a wall or an outer wall of a vehicle. This is because a relatively heavy motor is provided in the main body 1 and the tip is for metering, so that a relatively small force is required even if the brush is lifted or moved high in the cleaning work. Further, as described above, since the extension member 50 is formed in a pipe shape and made of plastic, it is lightweight and has sufficient strength, and it is easy to operate and safe work can be performed.

[0022]

[Effect of the device]

 As described above, according to the first aspect of the invention, the brush having the size and shape suitable for the application and the cover having the size suitable for the selected brush can be easily and easily attached by the detaching mechanism. It can be performed quickly, and the main body with one drive source can be used in a wide range of applications, and the detachment mechanism does not hinder the flow of detergents.

According to the second aspect of the present invention, the force is effectively transmitted between the rotary shaft and the driven shaft, and the attachment / detachment can be easily and quickly performed with one touch.

According to the third aspect of the invention, it is possible to easily assemble the washing machine having the long handle by replacing the accessory with the main body. Also, since the drive source is built in the main body, the tip end side where the brush is located becomes light in weight and workability is good.

According to the invention as set forth in claim 4, the universal joint is incorporated in the extension member, the angle of the brush is appropriately changed, and the cleaning function for the uneven portion is high.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an embodiment of the present invention.

FIG. 2 is a sectional view of an essential part of an embodiment of the present invention.

FIG. 3 is a perspective view of another embodiment of the present invention.

FIG. 4 is a sectional view of still another embodiment of the present invention.

FIG. 5 is an exploded perspective view of a main part of the above embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 main body, 3a, 3b handle, 5 mounting part, 6 rotating shaft, 6 notch surface 12 locking groove, 13 engaging part, 14 water supply channel, 20 cover, 22 side plate, 24 mounting hole, 30 brush, 33 mounting hole, 36 square holes, 38 small balls, 50 extension members, 52,65 universal joints, 56 flanges, 63,64 bevel gears.

Claims (4)

[Scope of utility model registration request] 1. A washing machine main body having a gripping portion, a mounting portion formed on the front surface of the main body so that accessory parts can be removably mounted, and a rotary shaft that is internally mounted in the main body and protrudes from the front surface. A rotary drive source, an engaging portion formed on the outer peripheral surface of the tip of the rotating shaft, a brush having an engaging hole engaging with the engaging portion and an inner peripheral surface thereof, and a side wall surrounding the outer periphery of the brush. A washing machine comprising: a cover which has a mounting mechanism for the mounting portion, and a water supply passage which is inserted into the rotation shaft and opens at a tip thereof. 2. The engaging portion of the rotary shaft has a groove extending along the circumferential direction of the outer peripheral surface and a notch surface, and the mounting hole projects from the inner surface by the bias of an elastic member. 2. The cleaning machine according to claim 1, wherein a protrusion that engages with the brush and a contact surface that contacts the notch surface and transmits the rotation of the rotating shaft to the brush are formed. 3. A washing machine main body having a gripping portion, a mounting portion formed on the front surface of the main body so that accessory parts can be detachably mounted, and a rotary shaft that is internally mounted in the main body and protrudes from the front surface. A rotation drive source, an extension member having a mounting mechanism for the mounting portion at the base end, and a mounting portion having the same structure as the mounting portion at the distal end, and the extension member rotatably supported by the extension member, A rotation transmission shaft connectable to the rotation shaft, an engagement portion formed at the tip of the rotation transmission shaft, a brush having a mounting hole that engages with the engagement portion and its inner peripheral surface, and an outer periphery of the brush. A washer having a surrounding side wall and a cover having a mounting mechanism for the mounting portion. 4. The washing machine according to claim 3, wherein the extension member includes a universal joint that changes the rotation direction of the rotation transmission shaft.