JP2011030870A - Clothespin - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a clothespin easily assembled with a small number of parts and producible at a low cost to reduce cost. <P>SOLUTION: The clothespin 11 includes a pair of holding pieces 12, 12 having pinching parts 14 at one ends and grip parts 15 at the other ends, and a spring member 13 of U-shape locking the holding pieces 12, 12 to each other in a facing state and energizing them to the holding part 14 side. The holding piece 12 is integrally formed of a metal plate of predetermined length and formed with a gate part 25 inside the metal plate by punching to lock the spring member 13. The gate part 25 has both side parts 25a, 25a connected integrally with the metal plate, and the grip part 15 side is formed with an insertion hole 26 of laterally-long shape for the spring member 13, while the pinching part 14 side is formed with a projecting hole 27 of laterally-long shape. The spring member 13 is formed with stopper parts 31 and slip-off stop parts 32 respectively in projecting shape. The spring member 13 is inserted in the gate parts 25 to lock the stopper parts 31 to the edges of the insertion holes 26 and to lock the slip-off stop parts 32 to the edges of the projecting holes 27. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a clothespin, and more particularly to a clothespin that has a small number of parts, is easy to assemble, can be produced at low cost, and can reduce costs.

  As a conventional clothespin, a structure shown in FIG. 8 is known. The clothespin 1 includes a pair of pinching members 2, 2, a shaft member 3 that is pivotally attached to a through-hole to be a fulcrum position of the pinching members 2, 2, and a gripping portion 4 of the pinching members 2, 2. It is comprised from the U-shaped elastic plastic piece 5 arrange | positioned inside (refer patent document 1).

  The assembly procedure of the clothespin 1 having such a configuration is as follows. First, the shaft member 3 is inserted after the through-holes to be the fulcrum positions of the pinching members 2 and 2 are overlapped with each other, and the shaft member 3 is inserted. This is completed by securing the end portion 3 by caulking means or the like and incorporating the elastic plastic piece 5 inside the grip portion 4.

Japanese Utility Model Publication No. 5-35093

  This conventional clothespin 1 is composed of at least the parts of the pinching members 2, 2 and the shaft member 3 and the elastic plastic piece 5, and has a large number of parts for a simple structure. It has the disadvantage of becoming expensive.

  In addition, the assembling of the clothespin 1 is performed by comparing the through-holes of the pinching members 2 and 2 with high accuracy, inserting the shaft member 3 into the through-holes, and crimping the end portions thereof to prevent them from coming off. Since a complicated work procedure is required, the work is complicated, resulting in a high production cost.

  Therefore, the clothespin 1 in the conventional example has a problem that must be solved to reduce the production cost by reducing the number of parts and simplifying the work procedure at the time of assembly. is doing.

  The gist of the present invention for solving the problems of the conventional example is that a pair of sandwiching pieces each having a sandwiching portion at one end and a knob portion at the other end, and the sandwiching pieces are engaged with each other in a facing state. A clamping member formed integrally with a metal plate having a predetermined length, and a gate portion for locking the spring member is punched inside the metal plate. The gate part is formed integrally with the metal plate on both sides, the spring member insertion hole is formed in a horizontally long shape on the knob part side, and the projecting hole is horizontally long on the pinch part side. The spring member has a stopper part and a retaining part protruding from each other, and the spring member is inserted into the gate part to lock the stopper part to the edge of the insertion hole. The retaining portion is locked to the edge of the protruding hole.

A bulging portion made of a rubber material or a synthetic resin material is provided inside the pinching portion;
Wall sides are erected on both sides of the clamping piece;
At least the retaining portion of the spring member has elasticity;
Is included.

According to the clothespin according to the present invention, since it is composed of a pair of clamping pieces and a U-shaped spring member, the number of parts is small and the production cost can be kept low.
In addition, the sandwiching piece and the spring member are relatively simple in shape, and can be integrally formed with a single metal plate, respectively.In particular, since the spring member can be easily molded with a synthetic resin material, it can be produced at low cost. Production cost can be reduced.
At the time of assembly, since the clothespin is completed simply by inserting the side plate of the spring member into the gate portion of the sandwiching piece, the work procedure is very simple, which also reduces the production cost.
Furthermore, since the clothespin 1 of the conventional example has a fulcrum position for opening and closing operation on the tip side (closer to the sandwiching portion) than the elastic plastic piece 5 (spring member), Can be clamped only up to the fulcrum position. However, the clothespin of the present invention has a structure in which the center portion of the spring member is a fulcrum position, so that the object to be sandwiched can be deeply sandwiched, and as a result, various excellent effects that the state of sandwiching the laundry etc. is stabilized. Play.

  Further, by providing a bulging portion made of a rubber material or a synthetic resin material inside the pinching portion, there is no deviation when the laundry or the like is pinched, and there is an excellent effect that the pinching state is stabilized. .

  And the both sides of a clamping piece show the outstanding effect that the intensity | strength of a clamping piece improves because a wall part stands upright.

  Furthermore, since at least the retaining portion of the spring member has elasticity, there is little resistance when the side plate of the spring member is inserted into the insertion hole of the gate portion, but on the other hand, the end portion of the spring member from the protruding hole of the gate portion. After the protrusion, the retaining part has an excellent effect of being firmly locked to the edge of the protrusion hole.

1 is a perspective view of a clothespin 11 according to the present invention. It is a front view of the clothespin 11 which concerns on this invention. It is a perspective view which shows a pair of clamping pieces 12 and 12 and the spring member 13 separately. It is a perspective view explaining the state which inserted the spring member 13 in the one gate part 25. FIG. It is a perspective view explaining the clamping part 18 of 2nd Example. It is a perspective view explaining the clip part 23 of 3rd Example. It is a perspective view of the clothespin 11 provided with the clip part 23 of 3rd Example. It is the front view which fractured | ruptured and showed a part of clothespin 1 which concerns on a prior art example.

  Next, embodiments of the present invention will be described with reference to the drawings. First, in FIGS. 1 to 4, reference numeral 11 denotes a clothespin, and the clothespin 11 locks a pair of holding pieces 12 and 12 and the holding pieces 12 and 12 in an opposed state. It is composed of a spring member 13.

  The sandwiching piece 12 is integrally formed by punching a metal plate having a predetermined width and length, has a sandwiching portion 14 at one end, and a knob 15 at the other end. Specifically, the metal plate is, for example, aluminum, stainless steel, iron, or the like, and aluminum that is lightweight and has rigidity is particularly desirable.

  A first embodiment of the sandwiching portion 14 will be described. As shown in FIG. 3, a bulging portion 16 made of a rubber material or a synthetic resin material is formed as a separate member, and this bulging portion 16 is attached to one end of the holding piece 12 by an appropriate attachment means such as adhesion. Install. The bulging portion 16 is formed with a plurality of concavo-convex portions 17, and as a result, when the laundry or the like is nipped, it is not displaced and the nipping state is stabilized.

  A second embodiment of the sandwiching portion 14 will be described. As shown in FIG. 5, the bulging portion 16 made of a rubber material or a synthetic resin material is formed as a separate member. A plurality of locking projections 19, 19... Are provided on the pinching portion 18 of the second embodiment, and the bulging portion 16 is locked by bending the locking projection 19 inward. The plurality of concavo-convex portions 17 are formed on the bulging portion 16 as in the case of the sandwiching portion 14 in the first embodiment.

  A third embodiment of the sandwiching portion 14 will be described. As shown in FIG. 6, the bulging portion 20 made of a rubber material or a synthetic resin material is formed as a separate member. On the upper part of the bulging portion 20, a circular projection 21 having elasticity is formed in a protruding state. On the other hand, a circular hole 22 is formed in the sandwiching portion 23 of the third embodiment, and the size of the hole 22 is slightly smaller than the size of the protrusion 21. The bulging portion 20 is attached to the pinching portion 23 by press-fitting the protrusion 21 into the hole portion 22 (see FIG. 7). The plurality of concavo-convex portions 17 are formed on the bulging portion 20 as in the case of the sandwiching portion 14 of the first embodiment.

  A fourth embodiment of the sandwiching portion 14 will be described. One end of a metal plate is stamped and formed into a bulging shape having a large number of irregularities (not shown). In this case, since the separate parts bulging part 16 is not required, the number of parts does not increase, and the production cost can be suppressed.

  The knob portion 15 is formed in a concave rectangular shape, and the presence of the knob portion 15 ensures the catching of the finger and the certainty of the opening / closing operation.

  Wall portions 24 are erected on both sides of the sandwiching piece 12. The presence of the wall portion 24 increases the strength of the sandwiching piece 12 and prevents deformation such as bending and distortion.

  A gate portion 25 is formed inside the sandwiching piece 12 by punching and molding a metal plate. As shown in FIGS. 1, 3 and 4, the gate portion 25 is formed in a state where it is recessed inside a predetermined area, and its both end portions 25a and 25a are integrally connected to a metal plate to form a knob portion. An insertion hole 26 is formed in a horizontally long shape in 15 directions, and a projecting hole 27 is formed in a horizontally long shape in the direction of the sandwiching portion 14 (see FIG. 3).

  As shown in FIGS. 3 and 4, the spring member 13 is formed by bending a rectangular metal plate into a U-shape, and a through hole 29 is formed in the central portion 28. A plurality of stopper portions 31 are formed in a state of protruding inward. The stopper portion 31 is a portion that is locked to the edge of the insertion hole 26 when the side plate 30 is inserted into the gate portion 25 (see FIG. 4).

  In addition, a plurality of retaining portions 32 are formed at positions spaced apart from the stopper portion 31 by a predetermined distance with the retaining portions 32 protruding inward. The retaining portion 32 is a portion that is engaged with the edge of the protruding hole 27 when the side plate 30 is inserted into the gate portion 25 (see FIG. 4).

  The retaining portion 32 desirably has elasticity. In this case, there is little resistance when the side plate 30 of the spring member 13 is inserted into the insertion hole 26 of the gate portion 25. The part 32 is firmly locked to the edge of the protruding hole 27.

  The metal plate of the spring member 13 is specifically made of, for example, stainless steel or iron, and is preferably made of a material that is lightweight and elastic. Further, the spring member 13 may be formed of a synthetic resin plate such as plastic instead of the metal plate. In this case, it can be easily formed integrally and can be produced at low cost.

  In assembling the clothespin 11, the side plate 30 of the spring member 13 is inserted into the gate portion 25 so that the stopper portion 31 is locked to the edge of the insertion hole 26, and the retaining portion 32 is protruded into the protruding hole. 27 is engaged with the edge portion. The spring member 13 locks the sandwiching pieces 12 and 12 in an opposing state and biases them toward the sandwiching portion 14 (see FIGS. 1 and 4). As described above, the assembly procedure is extremely simple, and the production cost can be kept low.

  The basic structure of the clothespin 11 configured as described above is composed of a pair of sandwiching pieces 12 and 12 and a U-shaped spring member 13, so the number of parts is small and the production cost is reduced. It can be kept low.

  In addition, the sandwiching piece 12 and the spring member 13 are relatively simple in shape, and can be integrally formed with a single metal plate. In particular, the spring member 13 can be easily molded with a synthetic resin material, so that it can be produced at low cost. This can reduce production costs.

  Furthermore, since the clothespin 1 of the conventional example has a fulcrum position for opening and closing operation on the tip side (closer to the sandwiching portion) than the elastic plastic piece 5 (spring member), the object to be sandwiched is located at the fulcrum position. It can be clamped only before (see FIG. 8). However, the clothespin 11 according to the present invention has a structure in which the center portion 28 of the spring member 13 is at the fulcrum position (see FIG. 2), so that the object to be sandwiched is deeply sandwiched. It is stable.

DESCRIPTION OF SYMBOLS 1 Clothespin 2 Clamping member 3 Shaft member 4 Gripping part 5 Elastic plastic piece 11 Clothespin 12 Clamping piece 13 Spring member 14 Clamping part 15 Picking part 16 Expansion part 17 Uneven part 18 Second part of 1st Example Pinching portion 19 Locking protrusion 20 Protruding portion 21 Protruding portion 22 Hole portion 23 Pinching portion 24 Wall portion 25 Gate portion 25a end portion 26 Insertion hole 27 Protrusion hole 28 Central portion 29 Through hole 30 side Face plate 31 Stopper part 32 Stopper part

Claims (4)

It consists of a pair of sandwiching pieces having a sandwiching part at one end and a knob part at the other end, and a U-shaped spring member that locks the sandwiching pieces in an opposing state and biases them toward the sandwiching part,
The clamping piece is integrally formed with a metal plate having a predetermined length, and a gate portion for locking the spring member is stamped and formed inside the metal plate,
Both sides of the gate portion are integrally connected to the metal plate, the insertion hole for the spring member is formed in a horizontally long shape on the knob portion side, and the protruding hole is formed in a horizontally long shape on the pinching portion side. And
The spring member has a stopper part and a retaining part protruding from each other,
The clothespin, wherein the spring member is inserted into the gate portion, the stopper portion is locked to the edge portion of the insertion hole, and the retaining portion is locked to the edge portion of the protruding hole. Only. The clothespin according to claim 1, wherein a bulge portion made of a rubber material or a synthetic resin material is provided inside the pinching portion. The clothespin according to claim 1, wherein walls are provided upright on both sides of the holding piece. The clothespin according to claim 1, wherein at least the retaining portion of the spring member has elasticity.

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