JP2013039532A - Small motor for cleaning brush - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a small motor for cleaning brush in which a part having brush bristles of a stem part can oscillate with a larger width during rotating the cleaning brush by attaching a plurality of holding rods along a cleaning brush stem part, and to prevent generation of a situation of vibrating the entire stem part so as to properly cleaning inside a container without damaging.SOLUTION: The small motor for cleaning brush includes a cleaning brush having brush bristles disposed on the peripheral surface of a tip end of the stem part attached to rotate the brush. A rotating part of the small motor inserted the stem part of a base end of the cleaning brush and fixed includes a plurality of holding rods along the cleaning brush stem part.

Description

  The present invention relates to a cleaning brush that can cleanly clean the inside of a container without damaging the container by inserting the cleaning brush into an elongated container such as a test tube and rotating the cleaning brush. The present invention relates to a small electric motor.

  Conventionally, various structures have been proposed as small electric motors for cleaning brushes.

  For example, as shown in FIG. 11A, the small electric motor 200 for the cleaning brush attaches and rotates the cleaning brush 102 provided with the brush hairs 101 on the peripheral surface on the distal end side of the shaft portion 100. is there.

  Specifically, as shown in FIG. 11 (b), the small electric motor 200 inserts and fixes the shaft portion 100 on the proximal end side of the cleaning brush 102 to a predetermined rotating portion 104 provided therein. Yes. Then, with the cleaning brush 102 inserted into an elongated container such as a test tube, the rotating portion 104 of the small electric motor 200 is rotated, and the cleaning brush 102 is rotated in the container to clean the inside of the container cleanly. Yes.

  Moreover, what is shown to patent document 1 exists as a general dishwasher, for example.

  The dishwasher includes a motor disposed inside the case and a washing member that rotates in conjunction with the rotation of the motor, and the washing member is detachably attached to the drive shaft of the motor via a magnet. A suction cup is attached to the lower end surface of the case.

  Furthermore, as a general blender, for example, the one shown in Patent Document 2 exists.

  The blender includes a main body and an attachment that is detachably provided at the tip of the main body, and the main body includes a motor, a power supply circuit that is a driving source of the motor, and a speed control connected to the motor shaft of the motor. , An output shaft that is an output of the speed governor, a main body side joint connected to the output shaft, and a main body side locking portion for locking the attachment, wherein the attachment is the main body side locking The attachment side locking part that is locked to the part, and the attachment side joint that is detachably connected to the body side joint are fixed to one end, and the other end is supported to the other end. A rotating shaft to which a slide rail having a rectangular cross section supported by a body and having the other end urged toward the main body by an elastic body, and a rotating shaft that slides on the slide rail and And a brush body having a slider that rotates, a brush connected to the slider.

Japanese Utility Model Publication No. 56-23057 JP-A-8-103744

  However, in the above-described small electric motor 200 for a cleaning brush shown in FIGS. 11A and 11B and the dishwasher shown in Patent Document 1, the following adverse effects occur.

  For example, when the cleaning brush 102 is rotated by operating the small electric motor 200, as shown in FIG. 11 (c), the portion where the brush hair 101 of the shaft portion 100 is attached swings with a relatively large width. Or the whole shaft portion 100 vibrates.

  The cause of such a phenomenon is that some eccentric load acts on the cleaning brush 102, or the shaft portion 100 is formed by twisting a predetermined wire in a spiral shape, and the strength of the shaft portion 100 as a whole is insufficient. Is expected.

  Then, by rotating the cleaning brush 102, as shown in FIG. 11C, the portion of the shaft portion 100 where the brush hairs 101 are attached is swung with a relatively large width, or the entire shaft portion 100 is moved. In a state in which the cleaning brush 102 vibrates, the cleaning brush 102 could not be inserted into an elongated container such as a test tube.

  Further, when the cleaning brush 102 is inserted into an elongated container such as a test tube and then the cleaning brush 102 is rotated, the brush bristles 101 to be swung are strongly struck against the inner wall of the container, and the container is removed. There was also a situation where it was damaged.

  In addition, in the blender shown in Patent Document 2, since the portion of the brush body has a predetermined strength, it is expected that occurrence of a situation in which the portion in which the brush hair is implanted fluctuates can be avoided. The

  However, the brush body portion includes a slide rail and a slider that freely slides on the slide rail (an elastic body is provided at the end on the main body side, and a support is provided at the other end). In addition, since the brush body is formed by implanting brush hairs such as nylon on the wire having one end connected to the support body, the structure is very complicated, and the manufacturing cost of the product itself is likely to increase. It was.

  Therefore, the present invention was created in view of the existing circumstances as described above, and the cleaning brush is rotated by providing a plurality of holding rods along the shaft portion of the cleaning brush in the rotating portion of the small electric motor. Prevents occurrence of a situation where the part where the bristle of the shaft part is attached swings with a large width or the whole shaft part vibrates, and cleans the inside of the container without damaging the container An object of the present invention is to provide a small electric motor for a cleaning brush that can be used.

  The present invention relates to a small electric motor for a cleaning brush that rotates by attaching a cleaning brush having brush bristles attached to the peripheral surface on the distal end side of the shaft portion, and inserting the shaft portion on the proximal end side of the cleaning brush. The above-described problems have been solved by providing a plurality of holding rods along the shaft portion of the cleaning brush in the rotating portion of the small electric motor to be fixed.

  In addition, the present invention is a small electric motor for a cleaning brush provided with a pin vise for inserting and fixing a shaft portion on the proximal end side of the cleaning brush provided with brush bristles on the peripheral surface on the distal end side of the shaft portion. Thus, the above-mentioned problem has been solved by providing a plurality of holding rods along the shaft portion of the cleaning brush in the mounting portion of the shaft portion of the cleaning brush in the pin vise.

  Furthermore, the front-end | tip side part of a some holding | maintenance rod was also arrange | positioned so that it might contact | abut or adjoin to the axial part of the part which has provided the bristle of the washing brush, and solved the subject mentioned above similarly.

  Moreover, the front-end | side part of the some rotation holding rod was arrange | positioned so that the axial part of the part which attached the bristle of the washing brush may be enclosed, and the subject mentioned above was solved similarly.

  In addition, the above-described problem has been solved by attaching a covering cylinder body having a plurality of holding rods to the tip of the pin vice.

  The present invention relates to a small electric motor for a cleaning brush that rotates by attaching a cleaning brush having brush bristles attached to the peripheral surface on the distal end side of the shaft portion, and inserting the shaft portion on the proximal end side of the cleaning brush. Since the rotating part of the small electric motor to be fixed is provided with a plurality of holding rods along the shaft part of the cleaning brush, the part where the brush hair of the shaft part is attached when the cleaning brush is rotated has a large width. It is possible to reliably prevent the occurrence of a situation where the shaft or the whole shaft portion vibrates.

  In addition, the present invention is a small electric motor for a cleaning brush provided with a pin vise for inserting and fixing a shaft portion on the proximal end side of the cleaning brush provided with brush bristles on the peripheral surface on the distal end side of the shaft portion. In addition, the mounting portion of the cleaning brush shaft portion in the pin vise is equipped with a plurality of holding rods along the cleaning brush shaft portion. Similarly, when the cleaning brush is rotated, the brush hair of the shaft portion is attached. It is possible to reliably prevent the occurrence of a situation in which the portion that has been swung with a large width or the entire shaft portion vibrates.

  Specifically, since the tip side portions of the plurality of holding rods are arranged so as to contact or be close to the shaft portion of the portion where the brush bristles of the cleaning brush are attached, there is some sort of contact with the cleaning brush during rotation. Even when an eccentric load is applied, the plurality of holding rods suppress the shaft portion from swinging.

  Further, since the tip side portions of the plurality of rotation holding rods are arranged so as to surround the shaft portion of the portion where the brush bristles of the cleaning brush are attached, the shaft portion is provided by the plurality of holding rods. As a result, it is possible to prevent the occurrence of a situation in which the entire shaft portion vibrates.

  Furthermore, since the swinging of the shaft portion is suppressed by a plurality of holding rods, the configuration is relatively simple, and the manufacturing cost of the product can be kept low.

  In addition, since the covering cylinder provided with a plurality of holding rods is attached to the tip portion of the pin vice, the plurality of holding rods can be easily arranged at the tip portion of the pin vice.

It is a perspective view which shows the structure of the small electric motor provided with the some holding | maintenance rod in the rotation part. It is a disassembled perspective view which shows the structure of the small electric motor which has a pin vise provided with the some holding | maintenance rod. It is a perspective view which shows the structure of the small electric motor which has a pin vise provided with the some holding | maintenance rod. It is a perspective view which shows the state which has arrange | positioned several holding rods to the pin vice. The configuration of the pin vice is shown. (A) is an exploded perspective view showing a state in which a covering cylinder having a plurality of holding rods is attached to the tip of the pin vice, and (b) is provided with a plurality of holding rods. It is sectional drawing of the covering cylinder which has. It is an expansion perspective view which shows the arrangement | positioning state of the some holding rod along the axial part of a washing brush. The state which has arrange | positioned several holding rods to a pin vice, (a) is an enlarged perspective view of the state which has not attached the shaft part of the cleaning brush to the pin vise, (b) is the shaft part of the cleaning brush to the pin vice. It is an expansion perspective view of the state which has attached. It is a perspective view which shows the other structure which has arrange | positioned several holding rods to the pin vice. It is a perspective view which shows the other structure which has arrange | positioned several holding rods to the pin vice. The other structure which arrange | positions several holding rods to a pin vice is shown, (a) is an exploded perspective view which shows the state which attaches the covering cylinder which has arranged several holding rods to a pin vise, (b) is several It is a perspective view which shows the state which attached the covering cylinder which has arrange | positioned the holding rod to a pin vice. It shows the configuration of a conventional small brush motor, (a) is an exploded perspective view showing a state where the cleaning brush is attached to the small motor, (b) is a perspective view showing a state where the cleaning brush is attached to the small motor, (C) is a perspective view showing a state in which when the cleaning brush is rotated, the portion where the brush hair of the shaft portion is attached swings with a relatively large width and the entire shaft portion vibrates. It is.

  Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings.

  As shown in FIG. 1, the small electric motor 1 for a cleaning brush according to the present invention is configured to attach and rotate a cleaning brush 102 having brush hairs 101 attached to the peripheral surface on the distal end side of the shaft portion 100.

  The rotating portion 2 of the small electric motor 1 for inserting and fixing the shaft portion 100 on the proximal end side of the cleaning brush 102 is provided with a plurality of holding rods 3 along the shaft portion 100 of the cleaning brush 102. Any means and fixing measures may be used to fix the holding rod 3 to the rotating part 2.

  Further, as shown in FIGS. 2 and 3, the small electric motor 1 for a cleaning brush according to the present invention has a proximal end side of a cleaning brush 102 in which brush bristles 101 are attached to the peripheral surface of the distal end side of the shaft portion 100. The pin vise 4 which inserts and fixes the shaft part 100 may be provided.

  A plurality of holding rods 3 along the shaft portion 100 of the cleaning brush 102 are provided on the attachment portion 5 of the shaft portion 100 of the cleaning brush 102 in the pin vise 4.

  As shown in FIG. 2, the small motor 1 itself includes a predetermined rotating portion 2 at the tip. The rotating unit 2 is rotated by driving a built-in motor, and includes, for example, a hexagonal hole 6 at the center.

  The hole 6 of the rotating portion 2 is formed by inserting a hexagonal column-shaped connecting piece 7 located at a base end portion of the pin vise 4 described later and tightening a predetermined ring member to tighten the connecting piece 7 of the pin vice 4. It is a fixed part. The small electric motor 1 is provided with a predetermined switch 13. The switch 13 is used to operate driving / stopping of a motor that rotates the rotating unit 2.

  The form of the small electric motor 1 is not limited to that shown in FIGS. 1 and 2, for example, provided with a rotating unit 2 that rotates by driving a motor, a predetermined switch 13, and the like. Any form may be used.

  As shown in FIG. 4, the pin vise 4 having a plurality of holding rods 3 is formed in a substantially cylindrical shape having a predetermined length as a whole. As shown in FIG. 5A, the pin vise 4 includes a cylindrical main body A and a cap B that is attached to the tip of the cylindrical main body A.

  As shown in FIG. 5A, the columnar body A of the pin vise 4 has two hexagonal column-like connecting pieces 7 connected to each other at its base end. The columnar body A includes a columnar anti-slip portion 8 so as to be adjacent to the connecting piece 7. A male screw portion 14 having a predetermined length and an insertion portion 12 for inserting and fixing the shaft portion 100 of the cleaning brush 102 are provided continuously from the anti-slip portion 8 to the tip portion.

  As shown in FIG. 5A, the insertion portion 12 is formed by dividing a cylinder having a predetermined length into four crosses along the longitudinal direction. Further, the distal end portion side of the insertion portion 12 is inclined so that the outer peripheral surface thereof is tapered.

  Moreover, the cap part B of the pin vice 4 is comprised by the rotation cylindrical part 9 arrange | positioned so that the whole side surface of the insertion part 12 may be covered, as shown to FIG. 4, FIG. 5 (a). As shown in FIG. 5B, the rotating cylindrical portion 9 has a distal end portion and a proximal end portion that are open, and a female screw portion 15 is provided on the inner peripheral surface on the proximal end portion side. The female screw portion 15 of the rotating cylindrical portion 9 is a portion that is screwed into the male screw portion 14 of the columnar main body portion A.

  Furthermore, as shown in FIG. 5A, the distal end side of the rotating cylindrical portion 9 is inclined so that its outer peripheral surface is tapered. Similarly, as shown in FIG. 5B, the inner peripheral surface on the tip end side of the rotating cylindrical portion 9 is also inclined so as to be tapered. In addition, an opening 11 is provided through a circular plate 10 at the tip of the rotating cylindrical portion 9.

  In the pin vise 4, as shown in FIG. 4, the female screw portion 15 of the rotating cylindrical portion 9 is screwed into the male screw portion 14 of the cylindrical main body portion A, and the insertion portion 12 of the cylindrical main body portion A is inserted. In addition, in the state where the rotating cylindrical portion 9 which is the cap portion B is mounted, the peripheral portion including the annular plate 10 of the rotating cylindrical portion 9 and the insertion portion 12 appearing in the opening portion 11 of the rotating cylindrical portion 9. The tip portion is the attachment portion 5 of the shaft portion 100 of the cleaning brush 102.

  In this pin vise 4, as shown in FIGS. 2 and 4, for example, four holding rods 3 are provided on the annular plate 10 of the rotating cylindrical portion 9. These holding rods 3 are fixed upright on the annular plate 10 of the rotating cylindrical portion 9 so as to be along the longitudinal direction of the pin vice 4. Further, the four holding rods 3 are arranged so that the distance between them becomes narrower as it goes to the tip.

  As shown in FIGS. 2 and 3, when the connecting piece 7 of the pin vice 4 is attached to the rotating portion 2 of the small electric motor 1, it appears in the opening 11 of the rotating cylindrical portion 9 constituting the pin vice 4. The shaft portion 100 on the proximal end side of the cleaning brush 102 is inserted into and fixed to the insertion portion 12.

  At this time, the tip side portions of the four holding rods 3 are inserted into the brush hairs 101 of the cleaning brush 102 as shown in FIG.

  Specifically, as shown in FIG. 6, the tip side portions of the four holding rods 3 are arranged so as to contact or be close to the shaft portion 100 of the portion of the cleaning brush 102 where the bristles 101 are attached. Has been. Further, the tip side portions of the four holding rods 3 are arranged so as to surround the shaft portion 100 of the portion where the brush bristles 101 of the cleaning brush 102 are attached.

  When the shaft part 100 of the cleaning brush 102 is inserted and fixed to the insertion part 12 appearing in the opening part 11 of the rotary cylinder part 9 constituting the pin vice 4, first, as shown in FIG. The distal end portion of the insertion portion 12 is positioned behind the opening portion 11 of the rotating cylindrical portion 9.

  At this time, the gap in the center portion of the insertion portion 12 formed by being divided into four is in a slightly expanded state. The shaft portion 100 of the cleaning brush 102 is inserted into the gap at the center portion. Next, as shown in FIG. 7 (b), the rotating cylindrical portion 9 is rotated to slightly move the rotating cylindrical portion 9 toward the small electric motor 1, and the insertion portion 12 is inserted into the opening 11 of the rotating cylindrical portion 9. Make sure that the tip is positioned.

  At this time, the outer peripheral surface of the insertion portion 12 is in sliding contact with the inner peripheral surface of the rotating cylindrical portion 9 that is inclined so as to be tapered, and the gap at the center portion of the insertion portion 12 is narrowed to constitute the pin vise 4. The shaft part 100 of the cleaning brush 102 is fixed to the insertion part 12 appearing in the opening part 11 of the rotating cylindrical part 9.

  In addition, in the attachment part 5 of the pin vice 4 shown in FIG.4, FIG.7 (a) (b), although the four holding rods 3 are provided in the annular plate 10 of the rotation cylindrical part 9, it is limited to this. As shown in FIG. 8, four holding rods 3 may be provided in the insertion portion 12 that appears in the opening 11 of the rotating cylindrical portion 9.

  The holding rod 3 may be fixed to the annular plate 10 of the rotating cylindrical portion 9 by, for example, fixing the base end side portion of the holding rod 3 penetrating the annular plate 10. Further, the base end side portions of the four holding rods 3 may be fixed to the inclined outer peripheral surface of the rotating cylindrical portion 9.

  In addition, the holding rod 3 is fixed to the insertion portion 12 shown in FIG. 8, for example, in a state where the proximal end side portion of the holding rod 3 is buried along the longitudinal direction of the insertion portion 12. It may be.

  Furthermore, in the attachment part 5 of the pin vise 4 shown in FIGS. 4 and 7A and 7B, four holding rods 3 are provided, but the present invention is not limited to this, and as shown in FIG. In addition, three holding rods 3 may be provided on the insertion portion 12 appearing in the opening 11 of the rotating cylindrical portion 9. At this time, the insertion portion 12 divides a cylinder having a predetermined length into three parts and fixes the three holding rods 3.

  Of course, five or six or more holding rods 3 may be provided on the annular plate 10 of the rotating cylindrical portion 9 or the insertion portion 12 appearing in the opening 11 of the rotating cylindrical portion 9. At this time, the insertion portion 12 divides the cylinder having a predetermined length into five parts, and fixes the five holding rods 3. Moreover, the insertion part 12 may divide the cylinder of predetermined length into 6 parts, and may fix the six holding rods 3.

  In addition, as shown in FIGS. 10 (a) and 10 (b), a plurality of holding rods 3 may be attached to the pin vice 4 via the covered cylinder 20.

  As shown in FIG. 10A, the covering cylinder 20 is attached to the rotating cylindrical portion 9 in the pin vice 4. Specifically, the coated cylindrical body 20 is configured by a cylindrical portion 21 having a predetermined length and an inclined cylindrical portion 22 connected to an end portion of the cylindrical portion 21, and the peripheral surface of the inclined cylindrical portion 22. For example, four holding rods 3 are fixed at equal intervals. Further, both end portions of the cylindrical portion 21 and the inclined cylindrical portion 22 are open.

  Then, as shown in FIG. 10B, the covering cylinder 20 is attached to the rotating cylindrical portion 9 of the pin vice 4, and the annular plate 10 of the rotating cylindrical portion 9 is attached to the open portion of the inclined cylindrical portion 22. Then, the insertion portion 12 of the pin vice 4 is arranged, and in this state, the shaft portion 100 of the cleaning brush 102 is inserted and fixed to the insertion portion 12.

  In addition to this, for example, in the small electric motor 1 of the type shown in FIG. 1, the covering cylinder body 20 to which the plurality of holding rods 3 are fixed is attached to the rotating portion 2 provided in itself. good.

  It should be noted that the present invention is not limited to the above-described embodiment, and all the improvements and modifications within the scope that can achieve the object of the present invention are included in the present invention.

  The present invention is not limited to inserting a cleaning brush into an elongated container such as a test tube and rotating the cleaning brush without damaging the container. The present invention can be widely used in various fields as a means for reliably preventing the occurrence of a situation in which the portion where the bristles are attached swings with a large width or the entire shaft portion vibrates.

DESCRIPTION OF SYMBOLS 100 ... Shaft part 101 ... Brush hair 102 ... Cleaning brush 104 ... Rotation part 200 ... Small electric motor

DESCRIPTION OF SYMBOLS 1 ... Small electric motor 2 ... Rotating part 3 ... Holding rod 4 ... Pin vise 5 ... Mounting part 6 ... Hole 7 ... Connection piece 8 ... Non-slip part 9 ... Rotating cylindrical part 10 ... Ring plate 11 ... Opening part 12 ... Insertion part DESCRIPTION OF SYMBOLS 13 ... Switch 14 ... Male screw part 15 ... Female screw part 20 ... Covering cylinder 21 ... Cylindrical part 22 ... Inclined cylindrical part A ... Column-shaped main-body part B ... Cap part

Claims (5)

  A small electric motor for a cleaning brush that is attached to and rotated by a cleaning brush provided with brush bristles on the peripheral surface on the distal end side of the shaft portion, and that is fixed by inserting the shaft portion on the proximal end side of the cleaning brush A small electric motor for a cleaning brush, characterized in that a plurality of holding rods along the shaft portion of the cleaning brush are provided in the rotating portion of the cleaning brush.   A small electric motor for a cleaning brush having a pin vise for inserting and fixing a shaft portion on the base end side of a cleaning brush having brush bristles attached to the peripheral surface on the tip end side of the shaft portion, and the cleaning brush in the pin vise A small electric motor for a cleaning brush, characterized in that a plurality of holding rods along the shaft portion of the cleaning brush are provided on the mounting portion of the shaft portion.   The small electric motor for a cleaning brush according to claim 1 or 2, wherein the front end side portions of the plurality of holding rods are disposed so as to contact or be close to a shaft portion of a portion where the brush bristles of the cleaning brush are attached. .   The small electric motor for a cleaning brush according to any one of claims 1 to 3, wherein the front end side portions of the plurality of holding rods are arranged so as to surround a shaft portion of a portion where the brush hair of the cleaning brush is attached. .   The small motor for a cleaning brush according to any one of claims 2 to 4, wherein a covering cylinder body having a plurality of holding rods is attached to a tip portion of the pin vice.

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