JP6449421B1 - Metal pinch and clothesline using the pinch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve operability with a simple configuration.
A metal pinch according to the present invention includes a coil spring portion in which a substantially central portion of one metal wire is wound, and an extended portion of the metal wire extending from both ends of the coil spring portion. A pair of sandwiched portions formed by bending so as to be in contact with the outer peripheral surface of the portion and held in a closed state in which the coil spring portions are in contact with each other, and the pair of sandwiched portions Each of the pair of sandwiched portions is provided from the closed state by being respectively provided in the tip portion of the extending metal wire and pressed in a direction in which they approach each other against the bias of the coil spring portion. A pair of knobs that change to an open state that forms a gap between the pair of pinches, the pair of pinches extending from the pair of pinches, and the one pinch being the other Swivel to face each other It is characterized by a vortex shape.
[Selection] Figure 1

Description

  The present invention relates to a metal pinch used for applications such as sandwiching documents and laundry, and a clothesline using the metal pinch.

  Conventionally, as a metal pinch, one metal wire such as a stainless steel wire is bent, and the coil spring part, a pair of sandwiching parts protruding from the coil spring part to one side, and the other side part are projected. A device in which a pair of finger pressing operation portions (or knobs) are sequentially formed in series is known (see, for example, Patent Literature 1, Patent Literature 2, Patent Literature 3, and Patent Literature 4).

  Such a pinch can be produced with high efficiency by repeating bending and cutting with a processing machine while feeding a wound long metal wire. Therefore, the manufacturing process in the pinch using the metal wire does not require a spring assembling process, which is necessary for a pinch obtained by pressing a metal plate or a pinch made of synthetic resin. As a result, it can be manufactured at a relatively low cost, and has an advantage that it is extremely excellent in durability as compared with a molding pinch made of synthetic resin.

Japanese Patent No. 3460958 JP 2006-311925 A Japanese Utility Model Publication No. 04-49091 JP 2007-117536 A

  The pair of sandwiching portions of the metal pinch is held in a state in which both sandwiching portions are in contact with each other by the bias of the coil spring portion. When a document or laundry is pinched with a metal pinch, for example, a pair of finger pressing operation parts are picked up with the thumb and forefinger and the pair of finger pressing operation parts are pressed toward each other, and the pair of holding parts are separated from each other. Move in the direction you want. As a result, a gap is generated between the pair of sandwiching portions, and after the document or laundry is inserted into the gap, the pressing of the pair of finger pressing operation portions is released. Each moves in a close direction, and is held in a state where a document or laundry is sandwiched.

  For example, the pair of finger pressing operation portions included in the metal pinch disclosed in Patent Literature 1 and Patent Literature 2 has a shape in which both end portions of the metal wire are bent in a ring shape, for example. Therefore, when the pair of finger pressing operation parts is picked up with the thumb and the index finger, the metal wire constituting the pair of finger pressing operation parts is likely to bite into the fingertips of the thumb and the index finger. Furthermore, when the urging force of the coil spring portion is large (strong), it is necessary to increase the force of gripping the pair of finger pressing operation portions with the thumb and forefinger, so that the fingertips of the thumb and forefinger are painful. . Therefore, the metal pinches disclosed in Patent Document 1 and Patent Document 2 have a problem that the operability is poor.

  On the other hand, the metal pinch disclosed in Patent Document 3 discloses a metal pinch in which finger contact plates are respectively attached to outer portions where fingers are brought into contact with a pair of knobs. Further, the metal pinch disclosed in Patent Document 4 discloses a metal pinch in which a finger pad made of a synthetic resin having elasticity or flexibility, such as EVA or elastomer, is fitted in each of the pair of knobs. Yes. In these Patent Documents 3 and 4, since the finger rest plate and the finger rest are pressed by the fingertip, the bite of the metal wire into the fingertip is prevented and the operability is improved.

  However, although the metal pinches disclosed in Patent Document 3 and Patent Document 4 can improve the operability, the cost of manufacturing the finger pad and the finger pad, and the process of attaching them to the metal pinch Is required, which is negative in terms of manufacturing cost and manufacturing process. In addition, it is difficult to say that a finger pad or a finger pad manufactured from a synthetic resin is excellent in durability because it easily deteriorates due to aging and may come off from a metal pinch during use. Therefore, in such a metal pinch, when the finger pad or the finger pad is removed, a pair of finger pressing operation portions are formed as in the metal pinch disclosed in Patent Document 1 and Patent Document 2. Since the metal wire to be exposed is exposed, there is a concern that the problem of poor operability may occur.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a metal pinch and a clothesline using the metal pinch that can improve operability with a simple configuration.

In order to solve the above-described problems, a metal pinch of the present invention extends in the same direction from a coil spring portion wound around a substantially central portion of one metal wire, and both ends in the axial direction of the coil spring portion. is formed each of the issued extending portion of the metal wire by causing multiple bends, a pair of clamping units, each of which is held in the closed state into contact by the urging of the coil spring portion, the pair Are provided at the front end portions of the metal wires extending from the sandwiching portion to the opposite side of the pair of sandwiching portions with the coil spring portion interposed therebetween, and are adjacent to each other against the bias of the coil spring portion. When pressed in the direction, the metal wire positioned between the pair of sandwiching portions is brought into contact with the outer peripheral surface of the coil spring portion, and the pair of sandwiching portions is formed using the contacted portion as a fulcrum. Between the closed state and the pair of sandwiching portions, Anda pair of knob portions for changing the open state forming, the pair of knob portions are arranged facing the one of the knob portion and the other of the knob portion, the pair of knob portions, the The tip portions of the metal wire extending from a pair of sandwiching portions were swirled in a spiral shape in the same plane where the end of the metal wire is located at the center of each knob and includes the end of the metal wire . It is a shape .

Further, the pair of clamping units, after the extended portion of the metal wires extending from both ends in the axial direction of the coil spring portion, were respectively bent toward the other end of the coil spring portion, wherein is formed by Ru is further bent toward the one end side of the coil spring portion, the pair of knob portions, the distal end portion of the metallic wire located at one end of the coil spring portion, an end portion of the metal wire rod Is formed by pivoting to the other end side of the coil spring portion so that is located at the center of each knob portion .

The pair of knobs are metal wires located on the outermost side of the metal wires swirled in a spiral shape , and are separated from the pair of clip portions at positions farthest from the pair of clip portions. It has a curved part curved in the direction

The clothesliner of the present invention includes a frame and a suspension member that is installed at a plurality of positions of the frame and that hangs the metal pinch by hooking the metal pinch at the curved portion. Features.

  In the present invention, when the pair of knobs each have a pressing surface formed by swirling the ends of the metal wire rods extending from the pair of clip parts, the thumb and the index finger are used to grip the pair of knobs. By securing a large area where the pressing surface comes into contact with the fingertip, the bite of the metal wire into the fingertip is reduced. As a result, the operability of the pair of knobs is improved. Moreover, since it is not necessary to attach components, such as a finger pad and a finger pad, it is possible to prevent an increase in manufacturing cost and manufacturing process.

(A) is a perspective view which shows one Embodiment of the metal pinches in 1st Embodiment, (b) is a front view of a metal pinch, (c) is a side view of a metal pinch. (A) is a perspective view which shows one Embodiment of the metal pinch in 2nd Embodiment, (b) is a front view of a metal pinch, (c) is a side view of a metal pinch. It is a perspective view which shows an example of the clothes-drying tool using the metal pinches shown in FIG. It is a perspective view of the metal pinch which shows the state suspended by the suspension member.

Hereinafter, embodiments of a metal pinch of the present invention will be described with reference to the drawings.
<First Embodiment>
1A is a perspective view showing an embodiment of a metal pinch according to the first embodiment, FIG. 1B is a front view of the metal pinch, and FIG. 1C is a side view of the metal pinch. is there.

  The metal pinch (hereinafter referred to as pinch) 10 is manufactured by a metal wire such as stainless steel. For example, the metal wire has a circular cross section and a diameter of 2.0 mm. The pinch 10 has a coil spring portion 11 in which a central portion in the length direction of the metal wire is wound. The coil spring portion 11 has an outer diameter of, for example, 12 mm, a winding number of, for example, 5 turns, and a length in the axial (L) direction of, for example, about 10 mm.

  In the pinch 10, a sandwiching portion 12 a and a knob portion 13 a are continuously formed by an extending portion extending from one end portion (left end portion in FIG. 1A) in the axis (L) direction of the coil spring portion 11. Similarly, the pinch 10 has a pinching portion 12b and a knob portion 13b that are continuous by an extension portion extending from the other end portion (the right end portion in FIG. 1A) of the coil spring portion 11 in the axis (L) direction. Formed. As shown in FIG. 1A, the sandwiching portions 12 a and 12 b are formed below the coil spring portion 11, and the knob portions 13 a and 13 b are formed above the coil spring portion 11. . Here, the pinching portions 12a and 12b correspond to a pair of pinching portions recited in the claims, and the knob portions 13a and 13b correspond to a pair of pinching portions recited in the claims.

  In addition, the structure of the clamping part 12a and the clamping part 12b is the same shape. Moreover, the structure of the knob | pick parts 13a and 13b is the same shape. Therefore, in the following description, the pinching portion 12a and the knob portion 13a will be described, and the description of the pinching portion 12b and the knob portion 13b will be omitted.

  The sandwiching portion 12 a includes a first inclined portion 15 that is inclined downward from one end side of the coil spring portion 11, and a second inclined portion 16 that is bent from the tip of the first inclined portion 15 toward the central axis of the coil spring portion 11. The horizontal portion 17 extending in the horizontal direction toward the other end side in the axial (L) direction of the coil spring portion 11, and a third portion extending obliquely upward from the tip of the horizontal portion 17 toward the outer peripheral surface of the coil spring portion 11. And an inclined portion 18. As shown in FIG. 1B, the third inclined portion 18 extends obliquely upward from the right end side in the axis (L) direction of the coil spring portion 11 toward the left end side which is the opposite side. The central portion is held in contact with the outer peripheral surface of the coil spring portion 11. As shown in FIG. 1B, when the pinch 10 is viewed from the front, the sandwiching portion 12a is formed in a substantially U shape. Although the shape of the sandwiching portion 12a in the front view of the pinch 10 is substantially U-shaped, the shape is not limited to this, and may be, for example, U-shaped or V-shaped, or inverted T-shaped.

  The pinching portions 12a and 12b are held in a state in which the horizontal portion 17 of the pinching portion 12a and the horizontal portion 17 of the pinching portion 12b are in line contact with each other when the pinch 10 is not in use and urged by the coil spring portion 11. Is done. Here, the case where the horizontal portions 17 of the sandwiching portions 12a and 12b are held in a line contact state is illustrated, but the horizontal portion 17 of the sandwiching portions 12a and 12b is moved outward with the central portion of the horizontal portion 17 outward. The sandwiching portions 12a and 12b are configured such that the bent portions of the second inclined portion 16 and the horizontal portion 17 and the bent portions of the horizontal portion 17 and the third inclined portion 18 are brought into point contact with each other by being curved so as to protrude. May be.

  The knob portion 13a is centered on the tip portion of the third inclined portion 18 (in other words, the tip portion of the metal wire) and is positioned on a plane including the horizontal portion 17 and the third inclined portion 18 so as to be positioned on the third portion. It is formed by bending the tip portion of the inclined portion 18 into a vortex shape. In FIG. 1, the number of vortex turns in the knob portion 13 a is two, but it may be less than two or more than two. In addition, when bending the front-end | tip part of a metal wire, it is necessary to clamp the front-end | tip part of a metal wire with a tool. Therefore, the tip of the metal wire extends horizontally at the center of the knob 13a. However, if the tip portion of the metal wire can be bent and formed without pinching with a tool, the tip of the metal wire positioned at the center of the knob 13a does not need to have a horizontally extending shape. . In addition, although the tip of the metal wire extends horizontally in the central portion of the knob 13a, the tip of the metal wire may extend vertically, or the tip of the metal wire may be inclined. It is good also as the state extended to.

  As described above, the knob portion 13 a is formed in which the tip portion of the third inclined portion 18 is swirled so as to be positioned on a plane including the horizontal portion 17 and the third inclined portion 18. Therefore, when the pinch 10 is used on the outer side of the knob portion 13a (the side opposite to the inner side where the knob portion 13a faces the knob portion 13b), the pressed surface (reference numeral in FIG. 1C) 20). In the front view of the pinch 10, the knob 13a and the knob 13b are held in an overlapped state, in other words, the knob 13a and the knob 13b are held facing each other.

  In addition, as a spiral example, a curvilinear shape may be sufficient, and elliptical shape, polygonal shape, and star shape may be sufficient. Moreover, although the knob | pick part 13a is formed by bending the front-end | tip part of the 3rd inclination part 18 in the shape of a vortex so that it may become the same plane as the horizontal part 17 and the 3rd inclination part 18, It is also possible to bend in a spiral shape so that the central portion protrudes toward the other knob 13b.

  The pinch 10 described above is manufactured by the following method. The following manufacturing method shows an example, and is not limited to the following manufacturing method as long as it has the same structure as the pinch 10 described above. For example, while feeding the metal wire wound around the bobbin for the metal wire from the bobbin, the fed metal wire is bent and processed, and the third inclined portion 18, the horizontal portion 17, the second inclined portion 16, and the first inclined portion 15 are bent. Form in this order. Thereafter, the metal wire is wound to form the coil spring portion 11. Then, the metal wire is bent again and formed in the order of the first inclined portion 15, the second inclined portion 16, the horizontal portion 17, and the third inclined portion 18. The above-described processing is performed by the same metal processing machine. Finally, the tip of the third inclined portion 18 is bent into a vortex shape by manual work.

  The pinch 10 manufactured in this way is used as follows. As described above, when the pinch 10 is not used, the sandwiching portions 12a and 12b are brought into line contact between the horizontal portion 17 of the sandwiching portion 12a and the horizontal portion 17 of the sandwiching portion 12b by the urging force generated in the coil spring portion 11. It is held in the state. This state is a closed state.

  When the pinch 10 is used, the knobs 13a and 13b of the pinch 10 are picked with, for example, the thumb and forefinger, and the knobs 13a and 13b are pressed in directions close to each other. By pressing the knobs 13a and 13b, the third inclined portion 18 is rotated against the urging force of the coil spring portion 11 with a place where the outer peripheral surface of the coil spring portion 11 is in contact as a fulcrum. . As the third inclined portion 18 rotates, the pinching portions 12a and 12b rotate in a direction in which they are separated from each other, and a gap is generated between the pinching portion 12a and the pinching portion 12b. This state is an open state. When the pinch 10 is in the open state, it is possible to insert an article that matches the space between the gaps 12a and 12b.

  In addition, if the press to the direction which adjoins the knob | pick parts 13a and 13b is cancelled | released, according to the urging | biasing of the coil spring part 11, the knob | pick parts 13a and 13b will each rotate in the direction away. In accordance with this, the sandwiching portions 12a and 12b rotate in the proximity direction. As a result, when the pinch 10 is in the open state, the article inserted into the gap generated between the sandwiching portion 12a and the sandwiching portion 12b is sandwiched between the sandwiching portions 12a and 12b.

As described above, when the knobs 13a and 13b are vortexed by bending the tip of the third inclined part 18, when the knobs 13a and 13b are picked up with, for example, the thumb and the index finger, the fingertips are picked up. The area where the portions 13a and 13b are pressed increases. As a result, when the knobs 13a and 13b are pressed, the reaction force from the knobs 13a and 13b applied to the fingertips is dispersed. Therefore, biting into the fingertips of the knobs 13a and 13b is reduced, and the occurrence of pain when the knobs 13a and 13b are picked is reduced. As a result, the operability of the pinch 10 shown in the first embodiment can be improved. In addition, by making the knob part into a vortex shape in which the tip part of the metal wire is turned so that one pinch part faces the other pinch part, the pinch part such as a finger pad or finger pad Even if a member is not attached, the durability of the knob portion of the metal pinch can be improved.
Second Embodiment
Next, the pinch of the second embodiment will be described. The pinch 10 ′ of the second embodiment is different from the pinch 10 of the first embodiment in that each has a hook portion 21 that hooks the hanging member 43 on the knob portions 13a ′ and 13b ′. In the following, portions having the same configuration as those of the first embodiment are denoted by the same reference numerals, and description of the same configuration as that of the first embodiment is omitted.

  As shown in FIG. 2, the pinch 10 ′ includes a coil spring portion 11, a sandwiching portion 12 a and a knob portion 13 a ′ formed at an extended portion extending from one end portion in the axis (L) direction of the coil spring portion 11, and a coil It has a clip part 12b and a knob part 13b 'formed at an extended part extending from the other end part in the axial (L) direction of the spring part 11.

  The knobs 13a ′ and 13b ′ of the pinch 10 ′ according to the second embodiment are bent from the tip of the third inclined portion 18 by a predetermined amount, for example, 90 degrees and then coiled from the position bent 90 degrees. In this structure, the spring portion 11 is bent at a position further away from the spring portion 11 by a predetermined amount, and the distal end side of the third inclined portion 18 is bent in a spiral shape so that the distal end of the third inclined portion 18 is located at the center. Also in this case, like the knobs 13a and 13b of the pinch 10 of the first embodiment, the tip side of the third inclined portion 18 is bent in a spiral shape so as to be flush with the horizontal portion 17 and the third inclined portion 18. The

  Here, in the pinch 10 ′ in the second embodiment, a gap is formed between a portion where the metal wire is bent 90 degrees and a portion located inside the portion. Further, in the manufactured pinch 10 ′, a portion bent 90 degrees protrudes above the knobs 13 a ′ and 13 b ′. That is, the portion protruding from above the knobs 13 a ′ and 13 b ′ becomes the hook portion 21 that hooks the suspension member 43.

  The hook portion 21 may have any shape that protrudes upward from the knobs 13a 'and 13b'. For example, the hook portion 21 may have a shape protruding in an arc shape.

  FIG. 3 is a perspective view illustrating an example of the clothes drying tool 40. The clothes drying tool 40 includes a frame body 42 that is suspended by a suspension tool 41, a chain-like suspension member 43 that is attached to the frame body 42, and a pinch 10 ′ that is suspended by the suspension member 43. .

  The frame body 42 has a structure in which both ends of the constituent members 42a and 42a, which are formed by connecting metal wires bent in a U-shape in plan view in a double-upper manner, are connected so as to be the rotation centers of the constituent members 42a and 42a. is there. In the component members 42a and 42a, reinforcing members 45 extending along the short direction of the frame body 42 are bridged at a plurality of positions.

  The frame body 42 may have a circular shape or a triangular shape in plan view. In addition, the frame body 42 includes constituent members 42a and 42a in which metal wires bent in a U-shape in plan view are arranged in a double-upper manner so that the front ends thereof are the rotation centers of the constituent members 42a and 42a. Instead of connecting structures, metal wire bent in a rectangular shape in plan view may be arranged in a double-upper manner, or a metal plate may be bent in a rectangular shape in plan view. Further, the frame body 42 is not limited to metal, and may be formed of, for example, a synthetic resin material.

  The other end of the chain member 50 having one end attached to a disc 41 a having one end at the lower end of the hanging tool 41 at the center in the short direction and the center in the longitudinal direction (near the rotation center) of the frame body 42. The part is fixed.

  As shown in FIG. 4, the suspension member 43 is suspended from each member of the frame body 42 and the reinforcing member 45 at a predetermined interval. The suspension member 43 is a member having a substantially 8-shaped structure so that two rings can be formed by bending a metal wire. The frame body 42 is attached in a state where, for example, three suspension members 43 are connected. The first suspension member 43 is attached to the frame body 42, the second suspension member 43 is attached to the lower ring of the first suspension member 43, and the third suspension member 43 is 2 It is attached to the upper ring of the third suspension member 43. By connecting the suspending member 43 as shown above, the length from the forked portion is different. The lower ring of the second suspension member 43 is the hook 21 of the knob 13a 'of the pinch 10', and the lower ring of the third suspension member 43 is the knob 13b 'of the pinch 10'. Are respectively connected to the hooking portions 21.

  The suspension member can be extended in length by connecting another suspension member on the first suspension member. Moreover, the suspension member is not limited to metal, and may be, for example, a string or a measure.

  Note that the pinch of the second embodiment described above can also have the same operational effects as the pinch of the first embodiment.

DESCRIPTION OF SYMBOLS 10,10 '... Metal pinch 11 ... Coil spring part 12a, 12b ... Clamping part 13a, 13b, 13a', 13b '... Knob part 21 ... Hook part 40 ... Dries 42 ... Frame body 43 ... Suspension member

Claims (4)

A coil spring portion wound around a substantially central portion of one metal wire,
Each of the extending portions of the metal wire extending in the same direction from both end portions in the axial direction of the coil spring portion is formed by bending a plurality of times, and each is brought into contact with the bias of the coil spring portion. A pair of clip portions held in a closed state;
The metal wire rods are respectively provided at the distal end portions of the pair of sandwiching portions that extend from the pair of sandwiching portions to the opposite side of the pair of sandwiching portions, and each of them resists the bias of the coil spring portion. When pressed in the approaching direction, the metal wire positioned between the pair of sandwiching portions is brought into contact with the outer peripheral surface of the coil spring portion, and the pair of sandwiching portions with the contacted portion as a fulcrum. A pair of knobs that change the part from the closed state to an open state that forms a gap between the pair of sandwiching parts;
Have
The pair of knobs are arranged to face one knob and the other knob,
The pair of knobs are on the same plane including the ends of the metal wires extending from the pair of pinches , the ends of the metal wires being located at the centers of the knobs, and including the ends of the metal wires. metal pinch, characterized in that the inner a shape obtained by each pivot spiral with. The metal pinch according to claim 1,
The pair of clamping units, after the extended portion of the metal wires extending from both ends in the axial direction of the coil spring portion, were respectively bent toward the other end of the coil spring portion, the coil spring is formed by Ru is further bent toward the one end side of the section,
The pair of knobs are arranged so that the tip of the metal wire positioned on one end side of the coil spring part is the other of the coil spring part so that the end of the metal wire is positioned at the center of each knob. A metal pinch characterized by being formed by swiveling to the end side. In the metal pinch according to claim 1 or 2,
The pair of knob portions, of the metal wire rod to pivot spiral, a metal wire outermost, and farthest from said pair of clamping units, in a direction away from said pair of clamping units A metal pinch characterized by having a curved curved portion . The metal pinch according to claim 3,
A frame,
A suspension member that is installed at a plurality of positions of the frame body and hangs the metal pinch by hooking the metal pinch at the curved portion ;
A clothesline characterized by having.