JP5335606B2 - Spring rotation device - Google Patents

Description

  The present invention provides a first member formed with a rotating portion having a cylindrical portion in which a helical spring is accommodated, and a second member formed with a first holding portion and a second holding portion for holding both end portions of the cylindrical portion. The present invention relates to a spring rotation device including members.

  Various clip members such as hair clips, paper clip clips, alligator clips, spring scissors such as laundry scissors, futon scissors, punch punches, etc. A rotating portion pivotally supported by the member, wherein the helical spring biases the first member and the second member, and the first member and the second member resist the biasing force of the helical spring by operating the operating portion; It is configured to rotate the member to pinch or punch the article.

  However, in the spring rotating device, for example, like the paper clip 100 shown in FIG. 9, the helical spring 140 constituting the rotating portion 130 is exposed, and the end portions 142 and 143 of the helical spring 140 are exposed to the helical spring body. 141 is provided so as to be in contact with the first holding member 120 as the first member 111 and the second holding member 125 as the second member 112 in a state of protruding outward in the circumferential direction of 141. (For example, refer to Patent Document 1). Therefore, the mechanical structure of the rotating part 130 including the helical spring 140 is directly visible from the outside, which is not preferable from the viewpoint of appearance and decorativeness. In the figure, reference numerals 121 and 126 denote operation units for opening and closing the first holding member 120 and the second holding member 125, 135 denotes a through shaft inserted into the helical spring 140, 150, 155, 160, Reference numeral 165 denotes a holding portion for holding the helical spring 140 into which the through shaft 135 is inserted.

  In particular, in hair clips and the like used as accessories, it is important to improve the decorativeness by devising the color and shape of the first holding member (first member) and the second holding member (second member). Therefore, if the helical spring is exposed as described above, the mechanical structure of the rotating part can be seen directly, so it is very unsightly and dislikes that the decoration and appearance of the accessory are significantly reduced. There is.

  Therefore, in order to make the helical spring difficult to see from the outside, a hair clip (spring rotating device) configured to cover the helical spring by providing a cover on the rotating portion has been proposed (for example, see Patent Document 2). .) However, even in such a hair clip, each end of the helical spring is circumferential in order to bias the first holding member (first member) and the second holding member (second member). Because it is formed to protrude outward, each end of the helical spring can be seen directly from the outside, and it is not possible to completely prevent the helical spring from being exposed, adversely affecting the decorativeness and appearance Is inevitable.

JP-A-5-301491 No. 3209525

  The present invention has been made in view of the above points, and provides a novel spring rotation device that can completely prevent exposure of a helical spring and suppress adverse effects on decorativeness and appearance. .

That is, the invention of claim 1 includes a first member formed with a rotating part having a cylindrical part in which a helical spring is accommodated, and a first holding part and a second holding part that hold both ends of the cylindrical part. A spring rotation device comprising a formed second member, wherein a fixed cylindrical wall portion is formed on one side of an end portion of the cylindrical portion of the first member, and an inner surface of the cylindrical portion is formed on the other side. A movable cylindrical wall portion slidable in the circumferential direction is formed, and a spring receiving portion for fixing each end portion of the helical spring is formed on each inner surface of the fixed cylindrical wall portion and the movable cylindrical wall portion, respectively. In addition, a rotating protrusion and an engaging protrusion are formed on the outer surface of the fixed cylinder wall portion and the outer surface of the movable cylinder wall portion, respectively, and the first holding portion of the second member has the A first insertion hole is formed to rotatably hold the rotating protrusion on the outer surface of the fixed cylindrical wall, and the second holding portion has a A second insertion hole be formed for holding the engagement projection of the movable cylindrical wall portion outer surface to engage the first member and the second member, the first clamping member is opened and closed by operation of the operation unit and The present invention relates to a spring rotation device that is a clip member made of a second clamping member .

  According to a second aspect of the present invention, there is provided a spring winding according to the first aspect, wherein an open concave groove portion reaching the first insertion hole or the second insertion hole is formed on the inner surface side of the first holding portion or the second holding portion. Related to the moving device.

A third aspect of the present invention relates to the spring rotation device according to the first or second aspect , wherein the clip member is a hair clip.

A spring rotating device according to a first aspect of the present invention includes a first member formed with a rotating portion having a cylindrical portion in which a helical spring is accommodated, a first holding portion that holds both ends of the cylindrical portion, and a first holding portion. 2 a spring rotation device comprising a second member formed with a holding portion, wherein a fixed cylindrical wall portion is formed on one side of the end portion of the cylindrical portion of the first member, and the other side A movable cylindrical wall portion slidable in the circumferential direction of the inner surface of the cylindrical portion is formed, and a spring receiving portion for fixing each end of the helical spring to each inner surface of the fixed cylindrical wall portion and the movable cylindrical wall portion. Each of the first and second movable members is formed with a rotation protrusion on the outer surface of the fixed cylindrical wall and an engaging protrusion on the outer surface of the movable cylindrical wall. The part is formed with a first insertion hole for rotatably holding the rotating protrusion on the outer surface of the fixed cylindrical wall, and the second The lifting portion have a second insertion hole is formed for holding to engage the engaging protrusion of the movable cylindrical wall portion outer surface, the first member and the second member, the opened and closed by operating the operation portion Since the clip member is composed of the first clamping member and the second clamping member , the helical spring can be completely prevented from being exposed and the decorativeness and appearance are not adversely affected. In addition, the functionality of the rotating part is not impaired, and the replacement work of the helical spring and the like can be carried out simply and efficiently.

  According to a second aspect of the present invention, in the first aspect of the invention, an open concave groove portion reaching the first insertion hole or the second insertion hole is formed on the inner surface side of the first holding portion or the second holding portion. The rotation protrusion or the engagement protrusion can be easily attached to and detached from the first insertion hole or the second insertion hole, and assembly and disassembly are facilitated.

Since the said clip member is a hair clip in invention of Claim 3 in Claim 1 or 2 , there is no possibility that the decorating property and external appearance property as accessories may be impaired.

It is a perspective view of the spring rotation apparatus which concerns on one Example of this invention. It is a perspective view of the 1st member of the spring rotation apparatus of FIG. It is a perspective view of the 2nd member of the spring rotation apparatus of FIG. It is a disassembled perspective view of a rotation part. It is a perspective view of a movable cylinder wall part. It is a side view showing the open-close state of a spring rotation apparatus. It is a principal part enlarged view of a rotation part. It is principal part sectional drawing of a rotation part. It is a perspective view of the conventional spring rotation apparatus.

  The spring rotation device 10 according to one embodiment of the present invention shown in FIG. 1 includes a first member 11 in which a rotation unit 30 is formed, and a second member in which a first holding unit 60 and a second holding unit 65 are formed. Member 12. In the following embodiments, the spring rotation device 10 will be described as a clip member 10A made of a hair clip.

  As shown in FIGS. 1 to 3 and 6, the hair clip 10 </ b> A includes a first sandwiching member 20 and a second sandwiching member 25 that are opened and closed by the operation of the operation units 21 and 26 by the first member 11 and the second member 12. Is done. Reference numerals 22 and 27 in the figure denote claw portions of the first holding member 20 and the second holding member 25 for holding the hair when worn, and the first holding member 20 and the second holding member 25. Configured to cross when closed.

  As shown in FIGS. 1, 2, and 4, the rotating portion 30 has a cylindrical portion 50 in which a helical spring 40 is accommodated. In FIG. 2, reference numeral 31 denotes a rotation restricting portion for restricting a rotation range by contacting a first holding portion 60 and a second holding portion 65 described later.

  As shown in FIG. 4, the helical spring 40 includes a spring main body 41 formed in a spiral shape and end portions 42 and 43 formed so as not to protrude outward in the circumferential direction of the spring main body 41. In this helical spring 40, since the spring body 41 is formed in a spiral shape, an urging force always acts in the axial direction, and a repulsive force (biasing force) due to torsion when a load acts in the circumferential direction. Can be generated. In the helical spring 40 of the embodiment, the end portions 42 and 43 are formed to be bent inward in the circumferential direction of the spring body 41.

  The cylindrical portion 50 accommodates the helical spring 40 including the end portions 42 and 43 to completely prevent exposure, and is fixed to one end of the end portion as shown in FIGS. A cylindrical wall portion 51 is formed, and a movable cylindrical wall portion 55 that can slide in the circumferential direction of the cylindrical portion inner surface 50A is formed on the other side.

  As shown in FIGS. 2 and 4, the fixed cylindrical wall portion 51 is integrated with one end portion of the cylindrical portion 50, and a spring receiving portion 52 that fixes the end portion 42 of the helical spring 40 on the inner surface and a rotating protrusion on the outer surface. A portion 53 is formed. The spring receiving portion 52 is formed in a shape corresponding to the shape of the end portion 42 of the helical spring 40. In the embodiment, the spring receiving portion 52 includes a protrusion 52A in which a groove portion 52B orthogonal to the axial direction of the cylindrical portion 50 is formed. Moreover, the rotation protrusion 53 is formed in a cylindrical shape.

  4 and 5, the movable cylindrical wall portion 55 is separable from the other end portion of the cylindrical portion 50, and has a spring receiving portion 56 that fixes the end portion 43 of the helical spring 40 on the inner surface and an outer surface on the outer surface. Engaging protrusions 57 are respectively formed. The spring receiving portion 56 is formed in a shape corresponding to the shape of the end portion 43 of the helical spring 40. In the embodiment, similar to the spring receiving portion 52, the protrusion having a groove portion 56B orthogonal to the axial direction of the cylindrical portion 50 is formed. Part 56A. Further, the engagement protrusion 57 is formed in a predetermined shape such as an elliptical shape or a prismatic shape, and is formed in a prismatic shape having a substantially rectangular shape in plan view in the embodiment.

  As shown in FIGS. 1, 3, and 8, the first holding unit 60 and the second holding unit 65 are arranged to face each other and are configured to hold both end portions of the cylindrical portion 40. In the embodiment, the first holding part 60 and the second holding part 65 are each formed in a substantially inverted U shape in a side view in the shape of a tip arc.

  The first holding portion 60 is formed with a first insertion hole 61 that rotatably holds the rotation protrusion 53 on the outer surface of the fixed cylindrical wall portion 51. The shape of the first insertion hole 61 is not particularly limited as long as the rotation protrusion 53 can be rotatably held, but in the embodiment, the columnar rotation protrusion 53 can be inserted freely. A circular through hole.

  The second holding portion 65 is formed with a second insertion hole 66 that holds the engaging protrusion 57 on the outer surface of the movable cylindrical wall portion 55 so as to be engageable. The shape of the second insertion hole 66 is not particularly limited as long as the engagement protrusion 57 can be engaged and held so as not to rotate, and the through hole corresponding to the shape of the engagement protrusion 57 is formed. It is a hole. The second insertion hole 66 of the embodiment is a substantially rectangular through hole into which the prismatic engagement protrusion 57 having a substantially rectangular shape in plan view can be inserted so as not to rotate.

  Moreover, it is preferable to form an open concave groove 62 reaching the first insertion hole 61 or the second insertion hole 66 on the inner surface side of the first holding part 60 or the second holding part 65. The open groove portion 62 of the embodiment is formed on the inner surface side of the second holding portion 65. In this way, by forming the open concave groove 62, the rotating protrusion 53 or the engaging protrusion 57 with respect to the first insertion hole 61 or the second insertion hole 66 when the hair clip 10A is assembled or disassembled. It becomes easy to attach and detach, and work efficiency improves.

  Next, the procedure for assembling the hair clip 10A will be described. First, as shown in FIGS. 4 and 8, the helical spring 40 is accommodated in the cylindrical portion 50, and the end portion 42 of the helical spring 40 is fixed to the spring receiving portion 52 on the inner surface of the fixed cylindrical wall portion 51 of the cylindrical portion 50. The spring receiving portion 56 of the movable cylindrical wall portion 55 is fixed to the end portion 43 of the helical spring 40.

  Subsequently, the cylindrical portion 50 pushes the movable cylindrical wall portion 55 toward the fixed cylindrical wall portion 51 in the cylindrical portion 50 against the urging force in the axial direction of the spring body 41, so that the cylindrical portion 50 is in the first holding member 25. It arrange | positions between the holding | maintenance part 60 and the 2nd holding | maintenance part 65, and while inserting the rotation protrusion 53 of the fixed cylinder wall part 51 in the 1st insertion hole 61 of the 1st holding | maintenance part 60, The engaging protrusion 57 is inserted into the second insertion hole 66 of the second holding part 65.

  At this time, since the movable cylindrical wall portion 55 is pressed against the second holding portion 65 by being urged to the opposite side of the fixed cylindrical wall portion 51 by the helical spring 40, the first holding portion is not dropped. 60 and the second holding part 65. Thereby, the 1st clamping member 20 and the 2nd clamping member 25 are connected so that rotation is possible, and the assembly of 10 A of hair clips is completed. When disassembling the hair clip 10 </ b> A, the engaging protrusion 57 of the movable cylindrical wall portion 55 is resisted against the urging force in the axial direction of the spring body 41 via the second insertion hole 66 of the second holding portion 65. This can be done easily by pushing in the fixed cylinder wall 51 side in the cylindrical portion 50 to release the engagement state between the engagement protrusion 57 and the second insertion hole 66.

  Next, the operation of the hair clip 10A will be specifically described. First, in the closed hair clip 10 </ b> A shown in FIGS. 1, 6 </ b> A, 7 </ b> A, and 8 </ b> A, the operation portion 21 of the first holding member 20 and the second holding member 25 are not provided. While the operation part 26 is separated from each other, the claw part 22 of the first holding member 20 and the claw part 27 of the second holding member 25 are crossed (closed).

  At this time, in the rotating portion 30, a fixed cylindrical wall portion 51 that fixes the end portion 42 of the helical spring 40 is formed integrally with one end portion of the cylindrical portion 50 of the first holding member 20, and the helical spring is formed. The movable cylinder wall 55 for fixing the end portion 43 of the 40 is engaged with the second holding hole 66 of the second holding portion 65 of the second holding member 25, so that the first holding member 20 and the second holding member 65 are engaged with each other. The closed state of the holding member 25 is maintained.

  On the other hand, as shown in FIGS. 6B and 7B, the first holding member 20 and the second holding member 25 are opened by operating the operation portions 21 and 26 from the closed state of the hair clip 10A. In this case, when the operation units 21 and 26 are brought close to each other, the claw portions 22 and 27 are separated from each other about the rotation unit 30 as a rotation axis.

  Here, in the rotating portion 30, the end portion 42 of the helical spring 40 is fixed by the fixed cylindrical wall portion 51, whereas the end portion 43 of the helical spring 40 is fixed by the movable cylindrical wall portion 55. 6 (b), FIG. 7 (b), and FIG. 8 (b), the movable cylindrical wall portion 55 engaged with the second holding hole 66 of the second holding portion 65 is a circle on the inner surface 50A of the cylindrical portion. It slides in the circumferential direction and is rotated together with the second holding part 65. At this time, since the movable cylindrical wall 55 fixes the end portion 43 of the helical spring 40, the spring body 41 of the helical spring 40 is twisted in the circumferential direction, and a repulsive force (biasing force) is generated.

  Thereby, in the said hair clip 10A, the 1st holding member 20 and the 2nd holding member 25 are open | released against the repulsive force (biasing force) by the twist of the helical spring 40 by operation of the operation parts 21 and 26, By stopping the operation of the operation units 21 and 26 (for example, letting go of a hand), the first holding member 20 and the second holding member 25 can be returned to the closed state according to the repulsive force of the helical spring 40, It is possible to effectively carry out hair fastening and the like as in the past.

  In the hair clip 10A, the rotation range in the closing direction of the first holding member 20 and the second holding member 25 is the front side of the first holding portion 60 (not shown) as shown in FIG. ) And the front side 65 a of the second holding portion 65 are restricted by contacting the rotation restricting portion 31. Further, as shown in FIG. 7B, the rotation range of the first holding member 20 and the second holding member 25 in the opening direction is the rear side (not shown) of the first holding portion 60 and the second holding range. The holding part 65 is regulated by the rear side 65 b coming into contact with the rotation regulating part 31.

  As shown and described above, in the spring rotating device 10 of the present invention, since the helical spring 40 is accommodated in the cylindrical portion 50 including the end portions 42 and 43, the exposure of the helical spring 40 is completely prevented. It does not adversely affect decoration and appearance. In particular, it is most suitable for a hair clip, and there is no fear that the decorativeness and appearance of the accessory will be impaired.

  Further, the end portions 42 and 43 of the helical spring 40 are formed by a spring receiving portion 52 formed on the inner surface of the fixed cylindrical wall portion 51 of the cylindrical portion 50 and a spring receiving portion 56 formed on the inner surface of the movable cylindrical wall portion 55. Since it is fixed, the function of the rotating part 30 can be exhibited as before without using a through shaft, and the movable cylindrical wall part 55 is pushed in against the axial biasing force of the helical spring 40. Therefore, it is possible to easily and efficiently carry out replacement work when the helical spring is rusted or damaged, and is excellent in practicality.

  The spring rotating device of the present invention is not limited to the above-described embodiments, and can be implemented by appropriately changing a part of the configuration without departing from the spirit of the invention. For example, in the embodiment, a clip member made of a hair clip has been described as an example of a spring rotating device, but the present invention is not limited to this, and other clip members such as paper clip clips, alligator clips, laundry scissors and futon scissors The same configuration can be applied to a punch or the like.

10 Spring Rotating Device 10A Hair Clip (Clip Member)
DESCRIPTION OF SYMBOLS 11 1st member 12 2nd member 20 1st clamping member 21 Operation part 25 2nd clamping member 26 Operation part 30 Turning part 40 Helical spring 50 Cylindrical part 51 Fixed cylinder wall part 52 Spring receiving part 53 Turning protrusion 55 Movable cylinder wall part 56 Spring receiving part 57 Engaging protrusion 60 First holding part 61 First insertion hole 65 Second holding part 66 Second insertion hole

Claims (3)

A first member formed with a rotating part having a cylindrical part in which a helical spring is accommodated, and a second member formed with a first holding part and a second holding part for holding both ends of the cylindrical part. A spring rotation device,
A fixed cylindrical wall portion is formed on one side of the end of the cylindrical portion of the first member, and a movable cylindrical wall portion slidable in the circumferential direction of the inner surface of the cylindrical portion is formed on the other side. A spring receiving portion for fixing each end portion of the helical spring is formed on each inner surface of the fixed cylindrical wall portion and the movable cylindrical wall portion, and a rotating protrusion and an outer surface of the fixed cylindrical wall portion. Engaging protrusions are respectively formed on the outer surfaces of the movable cylindrical wall portions,
The first holding portion of the second member is formed with a first insertion hole for rotatably holding the rotating protrusion on the outer surface of the fixed cylinder wall portion, and the movable cylinder is formed in the second holding portion. A second insertion hole is formed to hold the engagement protrusion on the outer surface of the wall so as to be engageable ,
The spring rotating device according to claim 1, wherein the first member and the second member are clip members including a first clamping member and a second clamping member that are opened and closed by an operation of an operation unit.   The spring rotation device according to claim 1, wherein an open concave groove portion reaching the first insertion hole or the second insertion hole is formed on an inner surface side of the first holding portion or the second holding portion. The spring rotating device according to claim 1 or 2 , wherein the clip member is a hair clip.

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