JP2007244816A - Twisted brush - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a twisted brush capable of preventing buckling, bending and deviation of the root part of a brush part when applying a pressure and an impact thereto from the outside even under inferior working conditions when executing various work such as deburring, grinding, polishing, surface treating and cleaning a cleaning object face, capable of forming the product precision with extremely reduced core deviation and high straightness, preventing falling of a brush piece, reducing the weight, and being usable as a rotating body with the extremely reduced core deviation. <P>SOLUTION: This twisted brush for executing various types of work has a retaining part, a support part, a brush part and a core material, the retaining part and the support part are formed of a wire material, the brush part is formed by clamping a plurality of brush pieces by at least the wire rod in the outer circumference part of the retaining part, and the core material is formed to penetrate the support part and the retaining part. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a torsion brush used for various processing of a surface to be cleaned.

  For conventional twisting brushes, various improvements are made according to the purpose of use.For example, a single synthetic fiber yarn is bundled, a plurality of bundled yarns to be subjected to a lower twist are combined, and an upper twist is applied. Adhesive bonds between the synthetic fiber single yarns to form a hair material, and a plurality of hair materials are sandwiched between at least two core materials, twisted, fixed to the core material, and the tips of the hair materials are fixed. Japanese Unexamined Patent Application Publication No. 2005-130963 discloses a technique of an application twist brush that has been unraveled as an application brush that can improve liquid retention.

  Further, for example, a technique of a twisting brush in which bristle materials are arranged between four core wires in a grid pattern and a twist is applied to the core wire is disclosed in JP-A-7-246114. .

Furthermore, in the torsion brush constructed by sandwiching the bristle in the interrupting part formed in the metal bar member and twisting this part, the metal bar member in which the shank part and the bristle pinching region are integrally formed And a torsion brush technique characterized in that the torsion brush technology comprises: an interrupting portion formed in the brush bristle pinching region; and a brush portion formed by twisting the bristle pinched in the interrupting portion. Japanese Patent Laid-Open No. 2005-198687 discloses a twisting brush and a method for manufacturing the twisting brush.
JP 2005-130963 A JP 7-246114 A JP 2005-198687 A

  With respect to conventional twisting brushes, for example, techniques having various characteristics as described above have been disclosed. However, in Japanese Patent Application Laid-Open No. 2005-130963, a twisting brush generally includes at least two bristle materials. It is pinched between the cores of the book, twisted, and fixed to the core. For this reason, since a plurality of core materials are sandwiched between brush pieces and then twisted, the core material is not formed with a brush at the center of the hand-held portion where the brush is not formed and the brush portion. It was. For this reason, there is a problem that it easily swings, bends, and breaks.

  Further, as a method for forming the bristle material, there is a torsion brush in which bristle materials are arranged in a grid pattern between four core wires and a twist is applied to the core wire, as disclosed in JP-A-7-246114. Since the core material is not formed at the center of the core wire of the book, the same problem as described above has been encountered.

  Further, in Japanese Patent Application Laid-Open No. 2005-198687, since the brush portion is formed by twisting the interrupting portion using a metal bar member and the brush bristles sandwiched between the interrupting portions, Although it has an actual structure, since the brush portion is twisted after the bristles are sandwiched in the interrupting portion, no core material is formed at the center of the brush portion. For this reason, the twisted interrupting unit has a problem that it easily swings, bends, and breaks.

  The present invention has been made in order to solve the above-described problems, and when performing various processing such as deburring, grinding, polishing, surface treatment, and cleaning of the surface to be cleaned, in the case of poor processing conditions. In addition, it can prevent buckling, bending, deflection, etc. of the base part of the brush part at the time of external pressurization and impact, and can form a highly accurate product accuracy with very little core blur etc. An object of the present invention is to provide a torsion brush that can be used as a rotating body that can be prevented, reduced in weight, and has very little runout.

  A first problem-solving means is a torsion brush for performing various types of processing, wherein the torsion brush has a holding part, a support shaft part, a brush part, and a core member, and the holding part and the support shaft part are wire members. The brush portion is formed by sandwiching a plurality of brush pieces at least with the wire rod on the outer peripheral portion of the holding portion, and the core member includes the support shaft portion and the holding portion. It is set as the structure currently formed so that it may communicate.

  According to a second problem solving means, in the torsion brush of the first problem solving means, the brush piece is formed by being sandwiched between the wire and the core material.

  According to a third problem solving means, in the torsion brush of the first and second problem solving means, the support shaft portion has at least one support shaft portion formed of a core material.

  According to a fourth problem solving means, in the torsion brush of the first to third problem solving means, the core material is formed in a cylindrical body.

  According to a fifth problem solving means, in the torsion brush of the first to fourth problem solving means, a support member A is formed on the outer peripheral portion of the support shaft portion.

  According to a sixth problem solving means, in the torsion brush of the first to fifth problem solving means, a support member B is formed on the outer peripheral portion of the core material constituting the support shaft portion.

  A seventh problem solving means is a torsion brush according to the first to sixth problem solving means in which a support member C is formed in a hollow portion of a core material constituting the support shaft portion.

  The operation of the first problem solving means is as follows. That is, the holding part which comprises a torsion brush is formed by pinching a brush piece with a wire, and the spindle part is formed with the wire. Further, since the core member communicates the holding part and the support shaft part, the support part has the core material and the support shaft part also has the core material. For this reason, the holding part and the support shaft part have higher mechanical strength against external pressurization, impact, etc., compared to the case where there is no core material, against external pressurization, impact, etc. of the torsion brush. Further, the support shaft part and the base part of the holding part communicate with each other through a core material. Therefore, the base part of the holding part has a higher mechanical strength against external pressure when there is pressure, impact, or the like from the side part of the holding part, as compared to the case where there is no core material. In addition, since the core material communicates the holding portion and the support shaft portion, the wire core constituting the support portion and the support shaft portion is wound around the core material and twisted to twist the core material in the longitudinal direction. A holding portion and a supporting shaft portion that maintain the accuracy of the shaft core are formed.

  The operation of the second problem solving means is as follows. That is, the brush piece constituting the torsion brush of the first problem solving means is formed by being sandwiched between the wire and the core. Therefore, it can be formed by pressing the brush piece against the core with a wire. Therefore, compared with the case where the brush piece is sandwiched only with the wire, the brush piece is sandwiched and formed without being displaced to the outer peripheral portion of the core member.

  The operation of the third problem solving means is as follows. In other words, in the torsion brush of the first and second problem solving means, at least one of the support shaft portions is formed of a core material. Therefore, by using a core material with high outer diameter accuracy as the core material, a support shaft portion with high outer diameter accuracy can be formed. Therefore, by holding the outer diameter of the support shaft portion with high outer diameter accuracy in the rotating body, it is possible to adopt a form in which the torsion brush with very little core blur is rotated and used.

  The operation of the fourth problem solving means is as follows. That is, the core material constituting the torsion brush of the first and third problem solving means is a cylindrical body, and since a hollow portion is formed in the longitudinal direction inside the cylindrical body, A rotating shaft, a fixed member, etc. can be installed. Moreover, since the cross-sectional area of the cylindrical body is smaller than the cross-sectional area of a solid columnar body having the same outer diameter as that of the cylindrical body, the weight is reduced.

  The operation of the fifth problem solving means is as follows. That is, in the torsion brush of the first to fourth problem solving means, the support member A is formed on the outer peripheral portion of the support shaft portion. Therefore, when pressure is applied to the holding portion during rotation of the support member A, mechanical strength against pressure is higher than when the core does not communicate with the holding portion and the support shaft portion. Becomes larger. Further, when the support member A is formed so as to be in contact with the base portion of the holding portion, the mechanical strength against pressure is increased as compared with the case where the support member A is not in contact with the base portion of the holding portion. Furthermore, since the support member A is formed on the outer peripheral portion of the core material, a structure in which the support member A having an inner diameter similar to the outer diameter accuracy of the core material can be fitted.

  The operation of the sixth problem solving means is as follows. That is, in the torsion brush of the first to fifth problem solving means, the support member B is formed on the outer peripheral portion of the core member constituting the support shaft portion. Therefore, it is possible to adopt a form in which the support member B with high inner diameter accuracy is fitted by setting the outer diameter accuracy of the core material higher than when the support member B is not formed on the outer peripheral portion of the core material. . Therefore, when used as a rotating body, it can be used as a rotating body with extremely high rotational accuracy.

  The operation of the seventh problem solving means is as follows. That is, in the torsion brush of the first to sixth problem solving means, the support member C is formed in the hollow portion of the core material constituting the support shaft portion. Therefore, compared with the case where the support member C is not formed in the hollow part of the core material, the core material is added with the mechanical strength corresponding to the strength of the support member C. Moreover, a usage form is employable as a rotary body, without forming the core material of a solid structure.

  In the torsion brush of the present invention, since the core material communicates the holding part and the support shaft part, even when pressure, impact, etc. are applied from the outside of the torsion brush, the root part of the brush buckles, Bending can be prevented. In addition, it is possible to manufacture a torsion brush having high straightness with very little runout. Further, when used as a rotating body, the rotation accuracy can be set high.

  In the first invention, the holding portion constituting the torsion brush is formed by sandwiching a brush piece with a wire rod, and the support shaft portion is formed with a wire rod. Further, since the core member communicates the holding part and the support shaft part, the support part has the core material and the support shaft part also has the core material. For this reason, the holding part and the support shaft part have higher mechanical strength against external pressurization, impact, etc., compared to the case where there is no core material, against external pressurization, impact, etc. of the torsion brush. Therefore, it is possible to manufacture a torsion brush having high durability against external pressure and impact. Further, the support shaft portion and the base portion of the holding portion communicate with each other through a core material. Therefore, the base part of the holding part has a higher mechanical strength against the external pressure when there is pressure, impact, or the like from the side part of the holding part, compared to the case where there is no core material. Therefore, buckling, bending, etc. of the base part of the brush part can be prevented. Furthermore, since the core material communicates with the holding portion and the support shaft portion, the core material can be lengthened by winding and twisting the wire constituting the support portion and the support shaft portion around the core material. A holding portion and a supporting shaft portion that maintain the accuracy of the axial axis in the direction are formed. Therefore, it is possible to manufacture a torsion brush having high straightness and high product accuracy with very little core blurring.

  In the second invention, the brush piece constituting the torsion brush is formed by being sandwiched between the wire and the core. Therefore, it can be formed by pressing the brush piece against the core with a wire. Therefore, compared with the case where the brush piece is sandwiched only with the wire, the brush piece is sandwiched and formed without being displaced to the outer peripheral portion of the core member. Therefore, it is possible to manufacture a torsion brush in which the brush piece does not fall off from the holding portion.

  According to a third aspect of the present invention, in the torsion brush, at least one of the support shafts is formed of a core material. Therefore, by using a core material with high outer diameter accuracy as the core material, a support shaft portion with high outer diameter accuracy can be formed. Therefore, by holding the outer diameter of the support shaft portion with high outer diameter accuracy in the rotating body, it is possible to adopt a form in which the torsion brush with very little core blur is rotated and used. Therefore, the support shaft can produce a torsion brush with very little core blur or the like. For example, it can be used as a rotating body by attaching to an electric drill, a lathe or the like.

  In the fourth invention, the core material constituting the torsion brush is a cylindrical body, and since a hollow portion is formed in the longitudinal direction inside the cylindrical body, a rotating shaft, a fixing member, etc. are formed in the hollow portion. Can be installed. Moreover, since the cross-sectional area of the cylindrical body can be made smaller than the cross-sectional area of the solid structure having the same outer diameter as the cylindrical body, the weight can be reduced.

  According to a fifth aspect of the present invention, in the torsion brush, the support member A is formed on the outer peripheral portion of the support shaft portion. Therefore, when pressure is applied to the holding portion during rotation of the support member A, the mechanical strength against pressure is higher than when the core does not communicate with the holding portion and the support shaft portion. Becomes larger. Further, when the support member A is formed so as to be in contact with the base portion of the holding portion, the mechanical strength against pressure is increased as compared with the case where the support member A is not in contact with the base portion of the holding portion.

  According to a sixth aspect of the present invention, in the torsion brush, the support member B is formed on the outer peripheral portion of the core member constituting the support shaft portion. Therefore, it is possible to adopt a form in which the support member B with high inner diameter accuracy is fitted by setting the outer diameter accuracy of the core material higher than when the support member B is not formed on the outer peripheral portion of the core material. . For this reason, when used as a rotating body, it can be used as a rotating body with extremely low rotation accuracy and very little core blur.

  According to a seventh aspect of the present invention, in the torsion brush, the support member C is formed in the hollow portion of the core material constituting the support shaft portion. Therefore, compared with the case where the support member C is not formed in the hollow part of the core material, the core material is added with the mechanical strength corresponding to the strength of the support member C. Moreover, the form used as a rotary body is employable, without forming the core material of a solid structure.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, this invention is not limited by this embodiment.

  A first embodiment is shown in FIGS. FIG. 1A is a front view of a torsion brush, and FIG. 1B is a side view of the torsion brush. In FIG. 1, 1 is a torsion brush, 2 is a core material, 3 is a wire, 4 is a brush portion, 5 is a brush piece, 6 is a holding portion, and 7 is a support shaft portion. FIG. 2 is a cross-sectional view of the torsion brush of FIG. In FIG. 2, 8 is a root part.

  As shown in FIG. 1, the torsion brush 1 of the present invention is formed of a core material 2, a wire material 3, a brush part 4, a holding part 6, and a support shaft part 7. Further, the holding portion 6 and the support shaft portion 7 are formed by winding the wire 3 around the outer periphery of the core material 2. Further, the brush portion 4 is formed on the outer peripheral portion of the holding portion 6 by sandwiching the plurality of brush pieces 5 with the wire 3. Further, as shown in FIG. 2, the core material 2 is formed so that the holding portion 6 and the support shaft portion 7 communicate with the inner peripheral portion of the wire 3 that forms the holding portion 6 and the support shaft portion 7. . Moreover, the core material 2 and the wire 3 are made of a long material having a substantially circular cross section, and a steel wire is used as the material. Further, the four wire rods 3 are twisted in the longitudinal direction of the core member 2 so as to be equally divided in the circumference with respect to the outer peripheral portion of the core member 2, and are formed in a spiral shape. The four wire rods 3 are formed in close contact with each other.

  Next, the operation and action of the torsion brush 1 will be described. The torsion brush 1 can be used by holding the support shaft portion 7 by hand. In use, the torsion brush 1 comes into contact with the brush piece 5 forming the brush portion 4 against the surface to be cleaned. At this time, in the torsion brush 1, the core material 2 is formed on the inner peripheral portion of the wire 3 that forms the holding portion 6 and the support shaft portion 7 so as to communicate the holding portion 6 and the support shaft portion 7. . Therefore, the reaction force when pressure is applied to the surface to be cleaned is applied to the wire 3 and the core material 2 that form the holding portion 6 and the support shaft portion 7.

Next, the manufacturing procedure of the torsion brush 1 will be described. First, the core material 2, the wire material 3, and the brush piece 5 are cut into a predetermined length. Next, after the four wire rods 3 are installed on the outer periphery of the core member 2 so as to be equally divided, the brush piece 5 is inserted between the wire members 3 so as to be orthogonal to the longitudinal direction of the core member 2. And pinch. Next, the wire 3 is formed in a spiral shape so that the four wires 3 are equally divided with respect to the outer periphery of the core 2. Therefore, a holding portion 6 having a spiral wire 3 and a support shaft portion 7 are formed on the outer peripheral portion of the core material 2. The brush portion 4 is formed by sandwiching a plurality of brush pieces 5 around the outer peripheral portion of the holding portion 6. The torsion brush 1 is manufactured by the above procedure. In addition, when the torsion brush 1 is chucked on a lathe or the like, the ends of the brush pieces 5 are trimmed so as to have a predetermined rotation outer diameter, and are processed such as polishing. A torsion brush 1 with high diameter accuracy can be manufactured.

  Moreover, the torsion brush 1 of the present invention is mainly used for performing various processes such as deburring of a surface to be cleaned, grinding, polishing, surface treatment, and washing. Deburring is a process in which an excess portion formed on the edge of a product is removed with a brush. Grinding is a process of smoothing the surface of the work surface with a brush. Polishing is a process of polishing and smoothing the surface of the surface to be cleaned with a brush. The surface treatment is a process for improving the state of the surface to be cleaned, such as curing, beautifying, smoothing, and corrosion resistance the surface of the surface to be cleaned. Washing is a process of cleaning the surface to be cleaned with a brush.

  Since the torsion brush 1 according to the first embodiment has the above-described configuration, the holding portion 6 constituting the torsion brush 1 is formed by sandwiching the brush piece 5 with the wire 3, and the support shaft portion. Reference numeral 7 denotes a wire 3. Further, since the core material 2 communicates the holding portion 6 and the support shaft portion 7, the holding portion 6 has the core material 2 and the support shaft portion 7 also has the core material 2. Therefore, the holding portion 6 and the support shaft portion 7 have a mechanical strength against external pressurization, impact, etc., compared with the case where the torsion brush 1 does not have the core material 2 with respect to external pressurization, impact, etc. Becomes larger. Therefore, the torsion brush 1 having high durability against external pressurization and impact can be manufactured. Further, the base portion 8 formed between the support shaft portion 7 and the holding portion 6 has the core material 2 formed on the inner peripheral portion of the wire rod 3. Therefore, the base portion 8 has a higher mechanical strength against the external pressure when there is pressure, impact, or the like from the side portion of the holding portion 6 than when the core member 2 is not provided. Therefore, buckling and bending of the root portion 8 can be prevented. Furthermore, since the core material 2 communicates with the holding portion 6 and the support shaft portion 7, the wire material 2 constituting the holding portion 6 and the support shaft portion 7 is wound around the core material 2 and twisted. Thus, the holding portion 6 and the support shaft portion 7 that maintain the accuracy of the axial core in the longitudinal direction of the core material 2 are formed. Therefore, it is possible to manufacture the torsion brush 1 having a high straightness and high product accuracy with very little core blur or the like. Further, since the torsion brush 1 has the core material 2, the mutual wire materials 3 are not displaced from each other with respect to the outer periphery of the core material 2 by processing the outer diameter accuracy of the core material 2 to be high. It can be wrapped so as to be dense. Therefore, the torsion brush 1 having high straightness can be formed.

  The torsion brush 1 can be used for various processes such as deburring, grinding, polishing, surface treatment, and cleaning of the surface to be cleaned as described above, but in particular, external pressure, impact, etc. are intermittently applied. Especially effective for deburring and grinding.

  The torsion brush 1 according to the first embodiment is configured as described above, but the material of the core material 2 and the wire material 3 constituting the torsion brush is represented by, for example, SUS304, in addition to the steel wire. Stainless steel wires, various piano wires, hard steel wires and other non-ferrous metal wires such as brass wires and phosphor bronze wires. Moreover, the strand wire of the said material can be used. In addition to the round shape, the shape of the core material 2 and the wire material 3 is a polygon such as a triangle, a quadrangle, a pentagon, and a hexagon, or an approximate waveform, an ellipse, an approximate V shape, an approximate X shape, Various irregular cross-sectional shapes such as a Y shape can be adopted. When the core 2 and the wire 3 having a polygonal cross section are employed, the brush piece 5 is sandwiched between the flat portions of the polygonal cross section formed on the core 2 and the wire 3. Since the contact area to be sandwiched increases, the wire 3 can be wound around the outer peripheral portion of the core 2 without being misaligned. In addition, when the brush piece 5 is sandwiched between the corners of the cross section of the core 2 and the wire 3 formed in a polygon, the brush is pressed so that the corner of the cross section penetrates the brush piece 5. It is possible to manufacture the twisting brush 1 that does not cause the positional deviation of the piece 5 and does not fall off.

  As for the structure of the torsion brush 1, a structure in which the support shaft portion 7 is formed at two positions on both sides of the holding portion 6 can also be adopted. As for the shape of the brush part 4, as described above, the brush piece 5 is trimmed according to the purpose of use, such as a polygonal column shape such as a triangle, a square, and a pentagon, a truncated cone shape, etc. Thus, the various shapes can be adopted. Also, the core wire 2 can be used by bundling a plurality of core wires 2, and the wire rod 3 can be used not only as described above, but also as 2, 3, 4, 5, etc. The number can be set according to the purpose. Further, only one wire 3 can be set. When only one wire 3 is set, the twisting brush 1 has the brush piece 5 sandwiched between the wire 3 and the core 2 on the outer periphery of the core 2 and twists the wire 3 to provide the wire 3. And the method of forming the brush piece 5 in a spiral shape can be employed. Furthermore, for the wire 3, a plurality of wires 3 having different outer diameters can be used.

  Example 2 is shown in FIG. FIG. 3 is a cross-sectional view of the torsion brush. In FIG. 3, 11 is a twist brush, 12 is a core, 13 is a wire, 14 is a brush part, and 15 brush pieces.

  As shown in FIG. 3, the torsion brush 11 of the present invention has a brush piece 15 constituting a torsion brush sandwiched between a wire rod 13 and a core member 12 and pressed against the wire rod 13. The torsion brush 11 is formed to have the same structure as that of the torsion brush 1 of the first embodiment. The brush piece 15 is sandwiched between the core material 12 and the wire material 13, and the core material 12. Are sandwiched between the wire rods 13 formed in a spiral shape on the outer periphery of each other.

  Since the torsion brush 11 according to the second embodiment is configured as described above, the brush piece 15 constituting the torsion brush 11 is formed by being sandwiched between the wire 13 and the core 12. Therefore, the brush piece 15 can be sandwiched without being displaced at the outer periphery of the core member 12. Therefore, the torsion brush 11 in which the brush piece 15 does not fall off can be manufactured. In addition, since the brush piece 15 is sandwiched between the wire members 13, the torsion brush 11 that can be spirally formed on the outer peripheral portion of the core member 12 and that is free from positional displacement and dropout can be manufactured.

  Example 3 is shown in FIG. FIG. 4 is a cross-sectional view of the torsion brush. In FIG. 4, 21 is a torsion brush, 22 is a core material, 23 is a wire, 24 is a brush part, 25 brush pieces, 26 is a holding part, and 27 is a support shaft part.

  As shown in FIG. 4, the torsion brush 21 of the present invention is formed of a core member 22 in the torsion brush 21, wherein the support shaft portion 27 is formed to extend to one end of the holding portion 26. The core material 22 is formed to have the same structure as the torsion brush 1 of the first embodiment, and the core wire 22 is formed so as to communicate the holding portion 26 and the support shaft portion 27.

  Next, the operation and action of the torsion brush 21 will be described. The torsion brush 21 can be used with the support shaft portion 27 attached to an electric drill, a lathe or the like. In use, the torsion brush 21 is in contact with the brush piece 25 forming the brush portion 24 against the surface to be cleaned. At this time, the torsion brush 21 is formed with the core material 22 so as to communicate the holding portion 26 and the support shaft portion 27. Therefore, by using the core material 22 with high outer diameter accuracy for the core material 22, it can be used as a rotating body with very little core blurring. Therefore, the brush piece 25 can be brought into contact with the surface to be cleaned with a uniform applied pressure.

  Since the torsion brush 21 according to the third embodiment is configured as described above, the support shaft portion 27 is formed to extend to one end of the holding portion 26 and is formed from the core material 22. is there. Therefore, by using the core material 22 with high outer diameter accuracy as the core material 22, the support shaft portion 27 with high outer diameter accuracy can be formed. For this reason, by holding the outer diameter of the support shaft portion 27 with high outer diameter accuracy in the rotating body, it is possible to adopt a form in which the torsion brush 21 with very little core blur is rotated and used. Therefore, the support shaft 27 can produce the torsion brush 21 that can contact the surface to be cleaned uniformly and accurately. For example, it can be used as a rotating body by attaching to an electric drill, a lathe or the like.

  The torsion brush 21 according to the third embodiment has the above-described configuration, but the shape of the core member 22 constituting the support shaft portion 27 is not limited to the round shape but may be a polygon such as a triangle, square, or pentagon, Or various irregular cross-sectional shapes, such as a keyway, a screw process, and a spanner groove | channel, are employable. In the case of adopting an irregular cross-sectional shape of the key groove as the shape of the core member 22 constituting the support shaft part 27, when the key groove part is used as a rotating body attached to an electric drill, a lathe or the like, a key for preventing rotation in the key groove part By mounting, it is possible to transmit the rotational driving force of an electric drill, a lathe or the like to the core member 22 constituting the support shaft portion 27 without idling, and to fix the position without displacement. Further, when an irregular cross-sectional shape of the spanner groove is adopted as the shape of the core member 22 constituting the support shaft portion 27, it can be securely attached and fixed to an electric drill, a lathe or the like by using a tool such as a spanner. .

  A fourth embodiment is shown in FIGS. FIG. 5A is a front view of the torsion brush, and FIG. 5B is a side view of the torsion brush. In FIG. 5, 9 is a hollow portion, 18 is a root portion, 31 is a torsion brush, 32 is a core material, 33 is a wire rod, 34 is a brush portion, 35 is a brush piece, 36 is a holding portion, and 37 is a support shaft portion. . 6 is a cross-sectional view of the torsion brush 31 of FIG.

  In the torsion brush 31 of the present invention, as shown in FIGS. 5 to 6, the core material 32 constituting the torsion brush 31 is a cylindrical body, and a hollow portion 9 is formed in the longitudinal direction inside the cylindrical body. It is. Further, the core member 32 is formed so as to communicate the holding portion 36 and the support shaft portion 37 with the inner peripheral portion of the wire 33 forming the holding portion 36 and the support shaft portion 37.

  Next, the operation and action of the torsion brush 31 will be described. The torsion brush 31 can be used by inserting a rotating shaft or the like into the cavity 9. In use, the torsion brush 31 is in contact with the brush piece 35 forming the brush portion 34 against the surface to be cleaned. At this time, the torsion brush 31 can be used as a rotating body with very few core blurs or the like by fitting the rotating shaft or the like to the cavity 9 by forming the inner peripheral portion of the core member 32 with high accuracy. Therefore, the brush piece 35 can be brought into contact with the surface to be cleaned with a uniform applied pressure.

  Since the torsion brush 31 of the present invention has the above-described configuration, the core member 32 constituting the torsion brush 31 is a cylindrical body, and the hollow portion 9 is provided in the longitudinal direction inside the cylindrical body. Therefore, a rotating shaft, a fixing member, and the like can be attached to the hollow portion 9. Moreover, since the cross-sectional area of the cylindrical body can be made smaller than the cross-sectional area of the solid structure having the same outer diameter as the cylindrical body, the weight can be reduced. Furthermore, members such as various wirings can be inserted and penetrated into the cavity 9.

  The torsion brush 31 of the present invention is configured as described above, but the shape of the cavity 9 is not limited to the circular shape as described above, but is a polygon such as a triangle, square, or pentagon, or Different cross-sectional shapes such as keyway and screw processing can also be adopted. When an irregular cross-sectional shape of the key groove is used as the shape of the hollow portion 9, when a rotation shaft is inserted into the hollow portion 9, a non-rotating key is attached to each key groove portion so that the hollow portion 9 does not run idle. Can transmit rotational force and can be fixed without misalignment.

  FIG. 7 shows a fifth embodiment. FIG. 7 is a cross-sectional view of the torsion brush. In FIG. 7, 10 is a support member A, 28 is a root portion, 41 is a twisted brush, 42 is a core material, 43 is a wire rod, 44 is a brush portion, 45 is a brush piece, 46 is a holding portion, 47 is a support shaft portion, Reference numeral 68 denotes a joint.

  In the torsion brush 41 of the present invention, as shown in FIG. 7, in the torsion brush 41, the support member A <b> 10 is formed on the outer peripheral portion of the support shaft portion 47. The support member A10 is formed so that one end thereof is in contact with the root portion 28 of the holding portion 46. Further, the torsion brush 41 has a joint portion 68 formed by caulking or bonding after inserting the support member A10 into the support shaft portion 47. The support member A10 is formed in a substantially cylindrical shape, and steel is used as the material.

  Since the torsion brush 41 of the fifth embodiment is configured as described above, the torsion brush 41 has a support member A10 formed on the outer peripheral portion of the support shaft portion 47. Therefore, in the case where the holding member 46 is pressurized during rotation of the support member A10, the torsion brush 41 is compared with the case where the core member 42 does not communicate with the holding unit 46 and the support shaft unit 47. Thus, the mechanical strength against pressure is increased. Further, when the support member A10 is formed so as to be in contact with the root portion 28 of the holding portion 46, the mechanical strength against pressurization is greater than that in the case where the support member A10 is not in contact with the root portion 28 of the holding portion 46. Become.

  The torsion brush 41 of the present invention is configured as described above, but the material of the support member A10 is not limited to the steel material as described above, for example, a stainless steel non-ferrous metal material typified by SUS304 or the like, or a synthetic material. Resin materials, natural fiber wires such as bamboo and wood, etc. can be used at appropriate times. As for the shape of the support member A10, in addition to the cylindrical shape as described above, a polygonal shape such as a triangle, a square, or a pentagon, or a modified cross-sectional shape such as a key groove or a screw processing can be employed. When the shape of the support member A10 having a threaded outer diameter is adopted, the support member A10 can be detachably screwed to the rotating body or the like.

  FIG. 8 shows a sixth embodiment. FIG. 8 is a cross-sectional view of the torsion brush. In FIG. 8, 20 is a support member B, 38 is a root portion, 51 is a torsion brush, 52 is a core material, 53 is a wire rod, 54 is a brush portion, 55 is a brush piece, 56 is a holding portion, 57 is a support shaft portion, Reference numeral 78 denotes a joint.

  In the torsion brush 51 of the present invention, as shown in FIG. 8, in the torsion brush 51, the support member B <b> 20 is formed on the outer peripheral portion of the core member 52 constituting the support shaft portion 57. Further, the support member B <b> 20 is formed so that one end is in contact with the root portion 38 of the holding portion 56. Further, the torsion brush 51 has a joint 78 formed by fitting, caulking, or bonding after inserting the support member B20 into the support shaft portion 57. The support member B20 is formed in a substantially cylindrical shape, and steel is used as the material.

  Since the torsion brush 51 of the sixth embodiment is configured as described above, the support member 20 </ b> B is formed on the outer peripheral portion of the core member 52 constituting the support shaft portion 57. Therefore, compared to the case where the support member 20B is not formed on the outer peripheral portion of the core member 52, the configuration in which the support member 20B having a high inner diameter accuracy is fitted by setting the outer diameter accuracy of the core member 52 high is set. Can be adopted. For this reason, when used as a rotating body, it can be used as a rotating body with extremely low rotation accuracy and very little core blur.

  The torsion brush 51 of the present invention is configured as described above, but the material of the support member B20 is not limited to the steel material as described above, for example, a stainless steel non-ferrous metal material typified by SUS304 or the like, or a synthetic material. Resin materials, wire rods of natural fibers such as bamboo and wood, stone materials, etc. can be used at appropriate times. In addition to the cylindrical shape as described above, the support member B20 may have a polygonal shape such as a triangle, a square, or a pentagon, or a modified cross-sectional shape such as a keyway or a screw. In the case of adopting an irregular cross-sectional shape of the key groove as the shape of the support member B20, when used as a rotating body by attaching to an electric drill, lathe, etc., an electric drill, Rotational driving force of a lathe etc. can be transmitted to the support member B20 without idling.

  In FIG. 9, Example 7 is shown. FIG. 9 is a cross-sectional view of the torsion brush. In FIG. 9, 19 is a hollow portion, 30 is a support member C, 61 is a torsion brush, 62 is a core material, 63 is a wire, 64 is a brush portion, 65 is a brush piece, 66 is a holding portion, 67 is a support shaft portion, Reference numeral 88 denotes a joint.

  As shown in FIG. 9, the torsion brush 61 of the present invention is such that the support member C <b> 30 is formed on the inner peripheral portion of the core member 62 constituting the support shaft portion 67 in the torsion brush 61. Further, the torsion brush 61 has a joint 88 formed by caulking or bonding after inserting the support member C30 into the inner peripheral portion of the core member 62 constituting the support shaft portion 67. The support member C30 is formed in a substantially cylindrical shape, and steel is used as the material.

  Since the torsion brush 61 according to the seventh embodiment has the above-described configuration, the cavity portion 19 is adjacent to the support member 30 </ b> C on the inner peripheral portion of the core member 62 and is hollow on the inner peripheral portion of the core member 62. 19 is formed. Therefore, for example, the weight can be reduced by the weight of the cavity portion 19 as compared with the case where the solid core material 62 in which the cavity portion 19 is not formed is employed. Moreover, various members, wirings, and the like can be attached to the hollow portion 19 according to the purpose of use.

  The torsion brush 61 of the present invention is configured as described above, but the support member C30 is formed on both sides of the core material 62 in addition to the configuration formed on one side of the wire material 62 as described above. A certain form can also be adopted. In the case of adopting the above-described form, for example, even when the brush portion 64 is formed in a long shape, the torsion brush 61 having a light weight and less core blur can be manufactured.

  The torsion brush and the torsion brush of the present invention are suitably used for performing various processes such as deburring, grinding, polishing, surface treatment, and washing on the surface to be cleaned. Further, it can be used widely and suitably, such as an interdental cleaning brush having a tooth gap as a surface to be cleaned, an indoor cleaning brush in a general household or office, and a rotating brush mounted on a floor nozzle of an electric vacuum cleaner.

  (A) Front view of torsion brush of the present invention, (B) Side view of (A)   Sectional view of the torsion brush of FIG.   Cross-sectional view of a torsion brush according to another embodiment   Cross-sectional view of a torsion brush according to another embodiment   (A) Front view of torsion brush of other embodiment, (B) Side view of (A)   Sectional view of the torsion brush of FIG.   Cross-sectional view of a torsion brush according to another embodiment   Cross-sectional view of a torsion brush according to another embodiment   Cross-sectional view of another embodiment of bear bear torsion brush

Explanation of symbols

1, 11, 21, 31, 41, 51, 61 Torsion brush 2, 12, 22, 32, 42, 52, 62 Core material 3, 13, 23, 33, 43, 53, 63 Wire rod 4, 14, 24, 34, 44, 54, 64 Brush part 5, 15, 25, 35, 45, 55, 65 Brush piece 6, 26, 36, 46, 56, 66 Holding part 7, 27, 37, 47, 57, 67 Part 8, 18, 28, 38 Root part 9, 19 Cavity part 68, 78, 88 Joint part 10 Support member A 20 Support member B 30 Support member C

Claims (7)

  In the torsion brush for various processing, the torsion brush has a holding portion, a support shaft portion, a brush portion, and a core material, and the holding portion and the support shaft portion are formed of a wire, The brush portion is formed by sandwiching a plurality of brush pieces at least by the wire rod on the outer peripheral portion of the holding portion, and the core material is formed so as to communicate the support shaft portion and the holding portion. A torsion brush characterized by that.   2. The torsion brush according to claim 1, wherein the brush piece is formed by being sandwiched between the wire and the core.   3. The torsion brush according to claim 1, wherein at least one of the support shafts is formed of a core material.   The torsion brush which consists of a structure of Claim 1 and 3 WHEREIN: The said core material is formed with the cylindrical body, The torsion brush characterized by the above-mentioned.   5. The torsion brush having the configuration according to claim 1, wherein a support member A is configured to be detachable on an outer peripheral portion of the support shaft portion.   The torsion brush which consists of a structure of Claim 1 and 5 WHEREIN: The supporting member B is comprised by the outer peripheral part of the core material which comprises the said spindle part so that attachment or detachment is possible, The torsion brush characterized by the above-mentioned.   The torsion brush which consists of the structure of Claim 1 and 6 WHEREIN: The supporting member C is comprised by the cavity part of the core material which comprises the said spindle part so that attachment or detachment is possible, The torsion brush characterized by the above-mentioned.

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