JP5269967B2 - Massage equipment - Google Patents

Abstract

Provided is a massage tool comprising a main massaging part (10), a holding part (12), and a fixing pin part (17), wherein the main massaging part (10) comprises a plurality of pressing protrusions (13a, 13b, 13c) and is formed of an elastic synthetic resin material. The holding part (12) is formed from a hard synthetic resin material. The fixing pin part (17) includes a protruding base (18) and a joint pint (16) and is formed from a synthetic resin material. The protruding base (18) includes an upper joint surface (18a) having the same shape as that of a lower end joint surface (12a) of the holding part (12). A lower outer peripheral part (18c) of the protruding base (18) is fused to the main massaging part (10) so as to integrally attach the fixing pin part (17) to the main massaging part (10). The joint pin (16) is fitted into a fitting connection hole (15) formed in the lower end joint surface (12a) of the holding part (12), and the main massaging part (10), the holding part (12), and the fixing pin part (17) are therefore integrated as one unit.

Description

  The present invention relates to a massage device, and more particularly, to a massage device having a massage main body portion, a grip portion, and a fixed pin portion.

  For example, when performing hair styling and shampooing, a hair brush that can obtain a massage effect on the head simultaneously with these hair styling and shampooing is known (for example, see Patent Document 1). The hairbrush of Patent Document 1 has a large number of brush protrusions protruding from the lower surface of a flat bowl-shaped substrate that is curved into a curved shape with a gripping portion. When the hair brush of Patent Document 1 is made of a flexible material having an elastic force such as an elastomer or a synthetic rubber, for example, a flat bowl-shaped substrate or a large number of brush protrusions, the head brush is pressed and released. By repeating, it is possible to enhance the massage effect by the brush protrusion, particularly by elastic deformation of the substrate.

Japanese Utility Model Publication No. 55-27422

  On the other hand, even when the flat bowl-shaped substrate is formed of a flexible material having an elastic force, the gripping portion for gripping the hair brush as a massage tool needs to be preferably formed of a hard material. During use, deformation of the substrate made of a flexible material tends to cause a gap at the joint between the gripping part and the substrate (see FIG. 6B). It can be considered.

  The present invention makes it easy to sandwich hair by using a gap between the massage body substrate formed of a flexible material having elasticity and a grip portion preferably formed of a hard material during use. An object of the present invention is to provide a massage device that can effectively avoid the above.

  The present invention is a massage device having a massage body part, a grip part, and a fixed pin part, wherein the massage body part has a plurality of pressing protrusions projecting downward from the inner side surface of the substrate and has an elastic force. The holding part is made of a synthetic resin material, the fixing pin part has an overhang base and a joining pin, and is made of a synthetic resin material, and the overhang base is joined to the lower end of the holding part. An upper joint surface having an outer peripheral edge shaped along the outer peripheral edge of the surface, and the lower outer peripheral edge of the overhanging base is fused to the massage body, and the fixing pin portion is the substrate The joint pin protrudes from the outer surface of the substrate and is fitted into a fitting connection hole formed in the lower end joint surface of the grip portion. The massaging body portion, the grip portion, and by providing a massaging device for the fixing pin portion are integrated, it is obtained by achieving the above object.

  According to the massage device of the present invention, there is a gap at the time of use in the joint portion between the massage body substrate formed of a flexible material having elasticity and the grip portion preferably formed of a hard material. It can be effectively avoided that the hair is easily caught.

It is a perspective view of the massage tool which concerns on preferable one Embodiment of this invention. It is a disassembled side view of the massage tool which concerns on preferable one Embodiment of this invention. It is a side view of the state which attached the fixed pin part to the massage main-body part integrally. It is a schematic sectional drawing which shows a fixed pin part by the side view of the state which attached the fixed pin part to the massage main body part integrally. It is a schematic sectional drawing which shows a fixed pin part by the side view of the state which joined the grip part to the massage main-body part via the fixed pin part. (A) is a schematic cross-sectional view showing a fixed pin part in a side view, illustrating a state in which the massage main body part is elastically deformed when the massage device according to a preferred embodiment of the present invention is used, (b) In the conventional massage tool, it is a schematic sectional drawing explaining the state which the clearance gap produced in the junction part of a holding part and a massage main-body part. It is an enlarged side view of the joining pin of a fixed pin part. It is an enlarged side view explaining a preferable structure for fitting and fixing the joining pin of the fixing pin portion to the fitting connection hole of the grip portion.

  A massage tool 10 according to a preferred embodiment of the present invention shown in FIG. 1 is massaged by a simple operation performed by gripping the grip portion 12 instead of massage to the head performed by pressing a finger against the scalp, for example. By pressing or rubbing the pressing protrusions 13a, 13b, 13c of the main body 11 against the scalp, it is possible to obtain a massage effect equivalent to that obtained when a finger is massaged, preferably without directly touching the hair. To do. In addition, the massage device 10 of the present embodiment is configured such that when the massage main body portion 11 made of a synthetic resin material having an elastic force is elastically deformed, the massage main body portion 11 and preferably the grip portion 12 made of a hard synthetic resin material. It is provided with a function that prevents the hair from being caught by preventing a large gap 50 (see FIG. 6B) from occurring in the joint portion between them.

  As shown in FIGS. 2 to 5, the massage device 10 of the present embodiment includes a plurality of pressing protrusions 13 a, 13 b, and 13 c that protrude downward from the inner surface of the substrate 14, and a synthetic resin that has elastic force. The massage main body 11 made of a material, preferably the grip 12 made of a hard synthetic resin material, and attached to the outer surface of the substrate 14 as an integral unit, and formed to open at the lower end joint surface 12a of the grip 12 The connecting pin 16 to be fitted into the fitting connection hole 15 (see FIG. 5) protrudes from the center portion of the outer surface of the substrate 14, and preferably includes a fixing pin portion 17 preferably made of a hard synthetic resin material. The The fixed pin portion 17 is provided with an overhang base 18 having an upper joint surface 18a having an outer peripheral edge portion 18b shaped along the outer peripheral edge portion 12b of the lower end joint surface 12a of the grip portion 12, and the fixed pin The portion 17 is integrally attached to the outer surface of the substrate 14 by fusing the lower outer peripheral edge portion 18c of the overhang base 18 to the massage body portion 11 by, for example, two-color molding or insert molding.

  That is, the massage device 10 of the present embodiment has a massage main body part 11, a grip part 12, and a fixing pin part 17, and the massage main body part 11 has a plurality of presses protruding downward from the inner surface of the substrate 14. It has a projection 13a, 13b, 13c and is made of a synthetic resin material having an elastic force, the grip portion 12 is made of a synthetic resin material, and the fixing pin portion 17 has an overhanging base 18 and a joining pin 16, and is synthesized. Made of resin material. The overhang base 18 includes an upper joint surface 18 a having an outer peripheral edge portion 18 b shaped along the outer peripheral edge portion 12 b of the lower end joint surface 12 a of the grip portion 12, and a lower outer peripheral edge portion 18 c of the overhang base 18. The fixing pin 17 is integrally attached to the outer surface of the substrate 14 by being fused to the massage body 11. The joint pin 16 protrudes from the outer surface of the substrate 14 and is fitted into a fitting connection hole 15 formed in the lower end joint surface of the grip portion 12 so that the massage main body portion 11, the grip portion 12, and the fixing pin are inserted. The part 17 is integrated.

  Here, the outer peripheral edge portion 18b of the upper joint surface 18a of the overhanging base 18 of the fixed pin portion 17 has a shape along the outer peripheral edge portion 12b of the lower end joint surface 12a of the grip portion 12. In addition to the fact that the shape and size of the outer peripheral edge portion 18b of the upper joint surface 18a and the shape and size of the outer peripheral edge portion 12b of the lower end joint surface 12a match, these shapes and sizes generally match. It is also included. For example, the case where both are circular and the diameters thereof are slightly different, or the case where one is circular and the other is a polygon circumscribing or inscribed in the circular shape is also included.

  In this embodiment, the massage main body 11 constituting the massage device 10 is preferably made of, for example, an elastomer (styrene-based, polyester-based, olefin-based) as a synthetic resin material having a considerable elastic force with an elastic modulus of about 10 to 30 MPa. , Urethane type, etc.). In particular, styrene elastomers are excellent in transparency and have a high degree of freedom in coloring, so that they can be preferably used. The substrate 14 of the massage main body 11 has a thickness of about 2 to 7 mm, for example, has a disk shape with a diameter of about 40 to 80 mm as a planar shape, and a curvature radius of about 40 to 80 mm, for example. It is formed into a flat bowl shape curved in a curved surface shape (dome shape) with a curvature of.

  In the present embodiment, the substrate 14 is provided with a tongue-like piece 19 extending outward from the central portion thereof, and a U-shaped through groove 20 provided around the base end portion on the central portion side. As a result, a plurality of cantilevers are provided at intervals in the circumferential direction in a state of projecting in a cantilever shape from the base end. Each tongue-like piece 19 is provided with a pressing projection 13a at the tip portion protruding downward. Further, in the present embodiment, a central portion pressing protrusion 13b protruding downward is provided on the inner surface of the central portion of the substrate 12, and a portion between the pressing protrusions 13a adjacent in the circumferential direction is provided below. A protruding auxiliary pressing protrusion 13c is provided. The tips of these pressing protrusions 13a, 13b, and 13c are pressing portions formed in a hemispherical shape or a curved surface shape.

  In the present embodiment, the grip portion 12 constituting the massage device 10 is preferably harder than the massage main body 11 (that is, more difficult to deform than the massage main body 11) and has an elastic modulus of 750 to 3600 MPa (more preferably 1200 to 1200). As a hard synthetic resin material having an elasticity equivalent to about 3300 MPa, more preferably 1700 to 2500 MPa, for example, ABS (acrylonitrile-butadiene-styrene copolymer) resin, PBT (polybutylene terephthalate) resin, PP (polypropylene) resin , PE (polyethylene) resin, PET (polyethylene terephthalate) resin, PCTA (polycyclohexanedimethylene terephthalate) resin, POM (polyacetal) resin, acrylic resin, AS (acrylic nitrile styrene copolymer) resin, P It is formed using a (polystyrene) resin or the like. In particular, PCTA is preferably used because it has excellent transparency, a large degree of freedom in coloring, excellent chemical resistance, and high impact strength. The grip portion 12 is integrated with the massage main body portion 11 via the fixed pin portion 17, and a pressing force for pressing the pressing protrusions 13a, 13b, 13c against the scalp, a rotational force for squeezing the head, etc. Can be efficiently transmitted to the massage main body 11.

  Further, in the present embodiment, the gripping portion 12 includes a joining drum portion 21 in which the entire circumference of the cylindrical body is a constricted portion, and protrudes radially outward from the upper portion of the joining drum portion 21 and extends in one direction. The handle portion 22 to be provided has a shape integrally formed. As a result, when performing massage on the head using the massage device 10, massage methods such as a compression method, a strong rubbing method, an acupuncture method, a light rubbing method, and a striking method, as well as a site and force to be massaged An appropriate holding method can be selected from various holding methods according to the adjustment. Further, this makes it possible to perform a massage efficiently and effectively by performing an operation for obtaining a massage effect in a stable state.

  Further, in the present embodiment, the lower end surface of the joining drum portion 21 constitutes the lower end joining surface 12a of the grip portion 12, and is arranged in close contact with the upper joining surface 18a of the overhang base 18 of the fixed pin portion 17. In addition, a fitting connection hole 15 having a circular hollow cross section that opens to the center portion of the lower end joining surface 12a of the grip portion 12 is formed in the joining drum portion 21. In the fitting connection hole 15, the joining pin 16 of the fixing pin portion 17 integrally joined to the outer surface of the substrate 14 of the massage main body portion 11 is fitted and attached in a state where it is difficult to remove.

  In this embodiment, the fixed pin portion 17 constituting the massage device 10 can be fused to the massage main body 11 and is preferably harder than the synthetic resin material of the massage main body 11 and has an elastic modulus of 750 to 3600 MPa (more Preferably, as a hard synthetic resin material having an elastic force equivalent to about 750 to 2100 MPa, more preferably 800 to 2000 MPa, for example, ABS (acrylonitrile-butadiene-styrene copolymer) resin, PP (polypropylene) resin, PE (polyethylene) ) Resin, PET-G (a kind of polyethylene terephthalate) resin, POM (polyacetal) resin, acrylic resin, AS (acrylic nitrile styrene copolymer) resin, and the like. In particular, PP has a high degree of freedom in coloring and can be preferably used.

  Moreover, it is preferable that the fixing pin part 17 is formed with the synthetic resin material softer than the synthetic resin material of the holding part 12, for example, a hard synthetic resin material. Since the fixing pin portion 17 is formed of a synthetic resin material that is softer than the grip portion 12, when the joining pin 16 is driven or forcedly pushed into the fitting connection hole 15, the joining pin 16 is moved toward the fitting pin 16. By making the deformation, it becomes possible to make the fitting smoothly, and by such deformation, the adhesion between the outer peripheral surface of the joining pin 16 and the inner peripheral surface of the fitting connection hole 15 is improved. In addition, the massage body 11 and the grip 12 can be joined and integrated in a more stable state.

  In the present embodiment, the fixed pin portion 17 includes a disk-shaped overhang base 18, a joint pin 16 that stands integrally upward from the center portion of the overhang base 18, and a joint pin from the center portion of the overhang base 18. 16 and an embedded anchor 23 that protrudes integrally below the opposite side. The upper surface of the overhang base 18 includes a flat upper joint surface 18 a having an outer peripheral edge portion 18 b shaped along the outer peripheral edge portion 12 b of the lower end joint surface 12 a of the grip portion 12. When the grip portion 12 and the fixed pin portion 17 are joined and integrated via the fixed pin portion 17, the lower end joint surface 12a of the grip portion 12 and the upper joint surface 18a of the overhang base 18 are firmly adhered to each other. It becomes possible to transmit the force from the grip part 12 to the massage body part 11 in a stable state. The overhanging base 18 has a shape that expands from the upper surface toward the lower side in the thickness direction and expands toward the end, and has a flat lower surface. The fixing pin portion 17 is fusion-bonded to the massage main body portion 11 through the flat lower surface.

  The embedded anchor 23 is a portion having a flat cylindrical shape that protrudes downward from a central portion of the lower surface of the overhanging base 18. For example, when the massage main body 11 is formed by two-color molding or insert molding, the embedded anchor 23 is embedded in the central portion of the outer surface of the substrate 14 of the massage main body 11 and exhibits an anchor function. The fixing pin portion 17 can be firmly joined and integrated with the massage main body portion 11.

  The joining pin 16 is a cylindrical projection having an outer shape similar to the inner diameter of the fitting connection hole 15 formed in the joining drum portion 21 of the gripping portion 12, which protrudes upward from the center portion of the upper surface of the overhang base 18. . The joining pin 16 has a length that fits in the fitting connection hole 15 as a whole, and the tip is chamfered in a tapered shape.

  In the present embodiment, the pin-side circumferential groove 24 is formed along the outer peripheral surface of the joining pin 16. The pin-side circumferential concave groove 24 has a grip-side circumferential convex rib 25 formed along the inner peripheral surface of the fitting connection hole 15 when the joining pin 16 is fitted into the fitting connection hole 15. Combined. As a result, the grip portion 12 and the massage main body portion 11 can be joined and integrated more firmly.

  In the present embodiment, as shown in FIG. 8, a tapered surface portion 26 in which the inner diameter of the inner peripheral surface is gradually reduced toward the back side is provided in the back region of the fitting connection hole 15. It can also be left. By providing the tapered surface portion 26 in the inner region of the fitting connection hole 15, when the joining pin 16 is fitted into the fitting connection hole 15, the straight outer peripheral surface of the tip portion of the joining pin 16 is changed to the tapered surface portion. The grip portion 12 and the massage main body portion 11 can be joined and integrated more firmly by biting into the No. 26 to exert the wedge effect.

  In the present embodiment, as shown in FIG. 7, the pin-side vertical groove 27 can be formed along the outer peripheral surface of the joining pin 16. In the pin-side longitudinal concave groove 27, when the joining pin 16 is fitted into the fitting connection hole 15, a grip part-side vertical convex rib (not shown) formed along the inner peripheral surface of the fitting connection hole 15. Can be engaged. This makes it possible to avoid the grip portion 12 from rotating relative to the massage main body portion 11 when the massage tool 10 is used.

  Furthermore, in the present embodiment, as shown in FIG. 8, a sealing seal ring 28 made of, for example, an elastomer can be attached along the outer peripheral surface of the proximal end portion of the joining pin 16. By sealing the gap with the inner peripheral surface of the fitting connection hole 15 with the sealing ring 28 for sealing, for example, a hair washing agent or a hair styling agent is prevented from entering the fitting connection hole 15 to prevent mold from entering. Occurrence and the like can be effectively avoided.

  In the present embodiment, the fixing pin portion 17 and the massage main body portion 11 are fused and formed integrally by, for example, two-color molding or insert molding. As a result, the lower outer peripheral edge portion 18 c of the overhang base 18 of the fixing pin portion 17 is firmly fused and fixed to the outer surface of the substrate 14 without a gap. In addition, the massage main body portion 11 in which the fixing pin portion 17 is joined and integrated is fitted by pushing or forcibly pushing the joining pin 16 of the fixing pin portion 17 into the fitting connection hole 15 of the joining drum portion 21 of the grip portion 12. The massage device 10 is easily formed by being integrated with the grip portion 12.

  And according to the massage tool 10 of this embodiment which has the above-mentioned structure, the holding | grip part 12 formed with the board | substrate 14 of the massage main-body part 11 formed with the flexible raw material provided with an elastic force, Preferably it is a hard material. It is possible to effectively avoid the occurrence of a gap at the joint portion between the two and the hair, which makes it easy to sandwich the hair.

  That is, according to the present embodiment, the massage device 10 includes the massage main body portion 11, the grip portion 12, and the fixed pin portion 17, and the fixed pin portion 17 has an outer side of the lower end joint surface 12 a of the grip portion 12. An overhanging base 18 having an upper joint surface 18a having an outer peripheral edge 18b shaped along the peripheral edge 12b is provided, and the fixing pin 17 is used to massage the lower outer peripheral edge 18c of the overhanging base 18 into a massage body. Since it is fused to the portion 11 and is integrally attached to the outer surface of the substrate 14, the force from the grip portion 12 is effectively transmitted in a stable state to the massage body portion 11 via the fixed pin portion 17. It becomes possible. Further, since the lower outer peripheral edge portion 18c of the overhanging base 18 of the fixed pin portion 17 is firmly bonded to the outer surface of the substrate 14 of the massage main body portion 11 without a gap, as shown in FIG. Even if the substrate 14 of the massage body 11 is deformed when the massage tool 10 is used, no gap is generated between the overhanging base 18 of the fixing pin 17 and the outer surface of the substrate 14 of the massage body 11.

  Therefore, according to the present embodiment, as in the conventional massage tool 51 shown in FIG. 6B, for example, the massage main body 52 provided with an elastic force when used, and the grip part 53 made of, for example, a hard synthetic resin material, It is possible to effectively avoid the occurrence of a large gap 50 in the joint portion between the two and the hair being easily caught in the gap 50.

  The present invention is not limited to the above-described embodiment, and various modifications can be made. For example, the gripping portion does not necessarily have to be composed of a joining drum portion and a handle portion extending in one direction from the upper portion thereof, and may be a gripping portion composed of only a cylindrical portion, for example. Further, the massage main body portion does not necessarily have to be provided with a tongue-like piece on the substrate, and may be one in which the pressing protrusion is directly projected from the inner surface of the substrate. Further, a pin-side circumferential convex rib may be formed along the outer peripheral surface of the joining pin, and this may be engaged with a gripping portion-side circumferential concave groove formed along the inner peripheral surface of the fitting connection hole. Even if the pin-side vertical convex rib is formed along the outer peripheral surface of the joining pin, and this is engaged with the grip portion-side vertical concave groove formed along the inner peripheral surface of the fitting connection hole, good.

DESCRIPTION OF SYMBOLS 10 Massage tool 11 Massage main-body part 12 Grip part 12a Lower end joining surface 12b Outer peripheral edge part 13a, 13b, 13c Pressing protrusion 14 Substrate 15 Fitting connection hole 16 Joining pin 17 Fixed pin part 18 Overhang base 18a Upper joint surface 18b Outer peripheral edge Part 18c Lower outer peripheral edge part 21 Joining drum part 22 Handle part 23 Embedding anchor 24 Pin side circumferential groove 25 Grasping part side circumferential convex rib 26 Tapered surface part 27 Pin side longitudinal groove 28 Sealing seal ring

Claims (7)

A massage tool having a massage body part, a grip part, and a fixed pin part,
The massage main body portion has a plurality of pressing protrusions protruding downward from the inner surface of the substrate, and is made of a synthetic resin material having an elastic force,
The grip portion is made of a synthetic resin material,
The fixing pin portion has an overhang base and a joining pin, and is made of a synthetic resin material.
The overhang base includes an upper joint surface having an outer peripheral edge shaped along the outer peripheral edge of the lower end joint surface of the gripping portion, and the lower outer peripheral edge of the overhang base is fused to the massage body. The fixing pin portion is attached integrally to the outer surface of the substrate,
The joint pin protrudes from the outer surface of the substrate and is fitted into a fitting connection hole formed to open at the lower end joint surface of the grip portion, whereby the massage body portion, the grip portion, and the fixing pin Massage tool with integrated parts.   The massage tool according to claim 1, wherein the synthetic resin material of the fixing pin portion is a synthetic resin material that is softer than the synthetic resin material of the grip portion.   The massage tool according to claim 1 or 2, wherein the synthetic resin material of the fixing pin portion is a synthetic resin material harder than the synthetic resin material of the massage main body portion.   A pin-side circumferential groove or a pin-side circumferential convex rib is formed along the outer peripheral surface of the joining pin, and the fitting connection of the joining pin is performed along the inner peripheral surface of the fitting connection hole. The grip part side circumferential convex rib or the grip part side circumferential concave groove that is engaged with the pin side circumferential groove or the pin side circumferential convex rib when fitted into the hole is formed. The massage tool according to any one of the above.   The massage according to any one of claims 1 to 4, wherein a tapered surface portion is provided in the inner region of the fitting connection hole, the inner surface of which is gradually reduced in diameter toward the inner side. Ingredients.   A pin-side longitudinal groove or a pin-side longitudinal convex rib is formed along the outer peripheral surface of the joint pin, and the fitting connection of the joint pin along the inner peripheral surface of the fitting connection hole. The grip part side vertical convex rib or the grip part side vertical concave groove that is engaged with the pin side vertical groove or pin side vertical convex rib when fitted into the hole is formed. The massage tool according to any one of the above.   The fixed pin portion includes an embedded anchor projecting from the overhanging base to the side opposite to the joining pin, and the embedded anchor is embedded in the substrate of the massage main body portion. The massage tool according to claim 1.

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