JPH0593226U - Push button Nakadome - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a clasp with a push button that is easy to manufacture and inexpensive by forming a frame piece from a core material and a winding plate material. [Structure] Frame piece 12 that was manufactured mainly for cutting
Is covered with a winding plate 14 wound around the core material 14a formed by providing the paragraphs 32 and 32a through which the push buttons are inserted so as to cover the core material 14a.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a clasp of a watch band having a push button.

[0002]

[Prior Art]

 In the conventional push button Nakadome, as shown in FIG. 14 (Japanese Patent Application No. 2-95526), its frame piece is made of solid wood made by cutting metal.

[0003]

[Problems to be solved by the device]

 However, in the conventional Nakadome, it is necessary to grind each of the shaped wires one by one to form the frame piece, which results in poor mass productivity and becomes expensive. The purpose of this invention is to obtain a push button clasp which is easy to manufacture and inexpensive by constructing the frame piece from a core material and a winding plate material.

[0004]

[Means for Solving the Problems]

 In order to solve the above problems, the present invention comprises a pair of rotary locking members and a frame piece that are detachably locked, and the rotary locking member has a lock piece and a flip-up portion. The frame piece is provided with a first push button and a second push button, which are movably opposed to each other in the width direction and are biased outward in the width direction so that their tips are overlapped. The first push button is provided with a lock engaging portion that is engaged with the lock piece when the push button is separated, and is released when the push button is approached. In a clasp of a watch band that has a push-up portion that pushes up the pop-up portion when a button approaches, in the clasp, the frame piece is wrapped so as to cover the core material into which the push button is inserted and the core material. It is characterized by consisting of It is intended to.

[0005]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In FIG. 1, reference numeral 11 denotes a clasp of a watch band, which includes a pair of frame pieces 12 and a rotation locking member 13 which are detachably engaged with each other. The frame piece 12 includes a winding plate 14, a core material 14 a, a first push button 15, a second push button 16, and a cover member 17. The winding plate 14 is formed in a plane V shape by a pair of parallel side frames 18 and 18a and a connecting portion 19 that connects one side of the side frames 18 and 18a to each other, and the other end of the side frames 18 and 18a and the connecting portion. A connection recess 20 is formed between the connection frame 19 and the connection frame 19, and a band mounting recess 21 is formed between one end of each of the side frames 18 and 18a and the connection part 19. The first push button penetrates one side frame 18 so that its tip extends into the coupling recess 20 and is slidably mounted in the width direction of the watch band 22 (see FIG. 3). As shown in FIG. 2, an overlapping portion 28 is provided in the center, a lock engaging portion 23 that bends in an L-shape toward the connecting portion 19 is provided at the tip of the overlapping portion 28, and a width direction of the watch band 22 is provided. A long hole 24 is bored in the inner surface of the side frame 18, and a cutout portion 26 is formed in the lower surface of the overlapped portion 28 so that the overlapped portion 28 is thin and the penetrating portion of the side frame 18 serves as an operating portion. The second push button 16 is attached through the other side frame 18 so as to be slidable in the width direction of the watch band 22 in the same plane as the first push button 15 and the tip of the second push button 16 is attached. A cutout portion 27 is formed on the upper surface to form a thin-walled overlapping portion 28a, and a push-up portion 30 is formed at the position facing the lock engaging portion 23 of the overlapping portion 28a by inclining the top surface of the tip thinly. The penetrating portion of the side frame 18 serves as an operating portion. In addition, a long hole 29 that is long in the width direction of the watch band 22 is formed in the overlapping portion 28a, and a spring contact recess 25 is formed at the end opposite to the connecting portion 19. The cover member 17 is a member that is incorporated in the inner periphery of the connection recess 20 of the winding plate 14 and covers the first and second push buttons 15 and 16, and is provided on the upper surface of the cover member 17 so as to face the lock engaging portion 23 and the push-up portion 30. An insertion hole 31 that is long in the width direction of the watch band 22 is formed at the corresponding position. Further, guide pins 33 and 33a, which are inserted into the long holes 24 and 29 of the push buttons 15 and 16, are provided on the cover member 17 from the upper surface to the lower surface, respectively. Then, the first push button 15 and the second push button 16 are respectively penetrated through the side frames 18 and 18a formed of the winding plate 14 and the core material 14a so as to be located in the same plane, and The outer end is projected outward from the side frames 18 and 18a, the coil spring 34 is installed between the side wall 17a of the cover member 17, and both ends of the coil spring 34 and the spring contact recess 25 of the second push button 16 and the first spring contact recess 25. The push buttons 15 and 16 are urged outwardly in the width direction of the watch band 22 by bringing the push buttons 15 and 16 into contact with the sides of the overlapping portion 28 of the one push button 15, respectively. In a normal state, since the coil spring 34 pushes the push buttons 15 and 16 outwardly, the guide pins 33 and 33a are located at the inner ends of the long holes 24 and 29, but the push buttons 15 and 16 are placed inside. When pushed, the push buttons 15 and 16 slide inward in the width direction of the watch band 22 until the guide pins 33 and 33a come into contact with the outer ends of the elongated holes 24 and 29, respectively, and are fitted into the push buttons 15 and 16. To do. That is, the push buttons 15 and 16 cannot be moved in the longitudinal direction of the watch band 22 by being restricted by the guide pins 33 and 33a, and even in the width direction of the watch band 22, the push buttons 15 and 16 are longer than the lengths of the long holes 24 and 29. It does not move, and the combined thickness of the overlapping portions 28 and 28a of the push buttons 15 and 16 and the thickness of the other portions become substantially equal. The rotation locking member 13 includes an upper lid 35 and a lock piece 37. The upper lid 35 has almost the same width as the connecting concave portion 20 of the frame piece 12, the upper surface is curved convexly, and the frame is provided at one end in the longitudinal direction thereof. A tubular mounting portion 36 formed on the mounting piece 42 of the piece 12 is provided with a mounting wall 44 rotatably mounted by a pin 43. The lock piece 37 is integrally provided with a projection 39 having a smooth surface which engages with the lower end of the insertion hole 31 of the frame piece 12 by a doweling process or the like. Then, the upper lid 35 of the rotary locking member 13 is passed through the space between the band attachment frame 40 having a substantially E-shaped plane as shown in FIG. 4, and the clock is attached to the other end of the band attachment frame 40 as shown in FIG. One end of the band 22 is attached, and the other end of the watch band 22 is attached to the band attachment recess 21 of the frame piece 12. To engage the frame piece 12 and the rotation locking member 13, the upper lid 35 of the rotation locking member 13 is rotated downward around the pin 43, and the lock piece 37 is inserted into the insertion hole 31 of the frame piece 12. Through to the inside of the cover member 17. Then, as shown in FIG. 5, the flip-up portion 38 of the lock piece 37 abuts on the lock engaging portion 23 and presses it inward to descend. When the tip of the lock piece 37 passes through the lock engaging part 23, the elastic force of the coil spring 34 restores the lock engaging part 23 to the outside, and the projection 39 of the lock piece 37 snaps to the lower end of the side edge of the insertion hole 31. Engage. To release the engagement between the frame piece 12 and the rotation locking member 13, the push buttons 15 and 16 are pushed inward by hand to move the lock engaging portion 23 inward, and the lock piece 37 and the lock engaging member. The engagement with the mating portion 23 is disengaged, the push-up portion 30 abuts against the flip-up portion 38 and pushes it up, and the projection 39 of the lock piece 37 is disengaged from the side edge of the insertion hole 31, whereby the rotation locking member. Since the upper lid 35 of 13 is slightly lifted, it is only necessary to manually rotate it further upward to disengage the frame piece 12 from the rotation locking member 13.

In the frame piece 12 shown in FIG. 6, a core member 14 a formed with paragraphs 32, 32 a for inserting push buttons is formed by covering the upper and lower surfaces of the core member 14 with a winding plate 14. By covering with one plate, the connecting portion 19 and the side frames 18 and 18a are formed to form the frame piece 12.

FIG. 7 shows the core member 14a in which the paragraph 32 before covering the winding plate 14 of the frame piece 12 of FIG. 6 is formed, and FIGS. 8 and 9 show the core member 14a divided into core members 45a. , 46a, 45b, 46b and the paragraphs 52, 47 through which the push buttons 15, 16 are inserted to form the core material 45 and the core material 46, respectively.

FIGS. 10, 11, and 12 show core members 48, 49, and 50 provided with a connecting piece 48 a for connecting with a mounting portion of the watch band 22.

In the frame piece 51 of FIG. 13, the winding plate 14 member of the frame piece 12 shown in FIG. 6 covers the core material from one plate, whereas the winding plate 51a, 51b is formed of two plates. Then, the frame piece 5 1 is configured in a state where the portion corresponding to the connecting portion 19 is eliminated and the connecting piece 48a portion of the core material 53 is exposed.

[0010]

[Effect of the device]

 Since the frame piece is composed of a core material and a winding plate, there is no need for machining such as shaving and drilling as before, making it possible to provide push button clasps that are inexpensive for mass production. It was

[0011] Furthermore, since the upper and lower surfaces of the core material are reversed and the frame piece can be formed by covering the winding plate with the core material, it can be used in many designs.

[Brief description of drawings]

FIG. 1 is a perspective view showing a push button clasp according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a frame piece.

FIG. 3 is a perspective view of a main part of the watch band when the clasp is engaged.

FIG. 4 is a perspective view of a frame for attaching the band.

5 is a cross-sectional view taken along the line AA of FIG.

FIG. 6 is a perspective view of a frame piece.

FIG. 7 is a perspective view of a core material used for the frame piece of FIG.

8 is a perspective view of a core material obtained by dividing the core material of FIG.

9 is a perspective view of a core material in which the core material of FIG. 8 is changed.

FIG. 10 is a perspective view of a core member on which a connecting piece is formed.

11 is a perspective view of a core material obtained by dividing the core material of FIG.

FIG. 12 is a perspective view of a core material in which the core material of FIG. 11 is changed.

FIG. 13 is a perspective view of a frame piece when two winding plates are used.

FIG. 14 is a perspective view of a conventional push button clasp.

[Explanation of symbols]

 11 Nakadome 12, 51 Frame piece 13 Rotation locking member 14, 51a, 51b Winding plate 15 First push button 16 Second push button 17 Cover member 18, 18a Side frame 19 Connecting part 20 Connecting recess 21 Band mounting Recessed portion 22 Watch band 23 Lock engagement portion 24, 29 Long hole 25 Spring contact recessed portion 26, 27 Cutout portion 28, 28a Overlap portion 30 Push-up portion 31 Insertion hole 32, 32a, 52, 47 Paragraph portion 33, 33a Guide pin 34 coil spring 35 upper lid 36 mounting portion 37 locking piece 38 jumping up portion 39 protrusion 40 band mounting frame 41 pin 42 mounting piece 43 pin 44 mounting wall 45, 46, 48, 49, 50, 53 core material 45a, 45b, 46a, 46b Core part 48a Connection piece

Claims (1)

[Scope of utility model registration request] 1. A pair of rotation locking members and a frame piece which are detachably locked, wherein the rotation locking member has a lock piece and a flip-up portion, and the frame piece includes: A first push button and a second push button, which are arranged so as to be movable in the width direction so as to be opposed to each other, are biased outward in the width direction, and their tips are overlapped, are provided. Is provided with a lock engagement portion that is engaged with the lock piece when the push button is separated and is disengaged when the push button is approached, and the second push button pushes up the flip-up portion when the push button is approached. In a clasp of a watch band in which a push-up portion is formed, the frame piece includes a core material into which the push button is inserted, and a winding plate material wound so as to cover the core material. Button Nakadome.