WO2012160679A1

WO2012160679A1 - Slider for slide fasteners

Info

Publication number: WO2012160679A1
Application number: PCT/JP2011/062010
Authority: WO
Inventors: 槻　慶一; 裕一岩瀬
Original assignee: Ykk株式会社
Priority date: 2011-05-25
Filing date: 2011-05-25
Publication date: 2012-11-29
Also published as: TW201247124A

Abstract

Provided is a slider for slide fasteners for which several slider bodies can be obtained with a single casting process and production costs can be reduced. The slider is provided with a slider body (20) and a cover member (50), which is supported by a front pillar part (30) and a back pillar part (40) that stand vertically on the upper surface of the slider body (20). The cover member (50) comprises: a top plate (51); a pair of right and left side plates (52) that extend downward from both side edges of the top plate (51); a pair of right and left front engaging pieces (56) that extend forward from the front edges of the pair of right and left side plates (52) and engage with the front pillar part (30); and a pair of right and left back engaging pieces (57) that extend backward from the back edges of the pair of right and left side plates (52) and engage with the back pillar part (40). The front pillar part (30) comprises front engagement recesses (35), which have a surface that faces the upper surface and front surface of the front engaging pieces (56). The back pillar part (40) comprises back engagement recesses (44), which have a surface that faces the upper surface of the back engaging pieces (57). The front engagement recesses (35) are formed by plastic deformation of the front pillar part (30).

Description

Slider for slide fastener

The present invention relates to a slider for a slide fastener.

A conventional slider for a slide fastener includes a body, a cover member, and a handle. The cover member includes a claw portion that enters the element guide path from a hole portion of the body, and a cover member so that the claw portion enters the element guide path. An elastic piece to be pressed, and a front side engagement piece and a rear side engagement piece respectively engaged with a front side column part and a rear side column part standing on the upper surface of the body, and the front side column part is a cover member It is known that there is a front-side engaged recess that engages with the front-side engaging piece, and the rear column portion has a rear-side engaged recess that engages with the rear-side engaging piece of the cover member. (For example, refer to Patent Document 1).

Japanese Unexamined Patent Publication No. 2007-111351

By the way, to cast the fuselage described in Patent Document 1, an upper die, a lower die, a slide core that moves in the front-rear direction of the fuselage to form an element guide path, a front pillar portion, and a rear pillar portion. In order to form the front-side engaged concave portion and the rear-side engaged concave portion, a slide core that moves in the width direction perpendicular to the front-rear direction of the body is necessary. And in order to cast many fuselage | body bodies at once with a metal mold | die, it is more efficient to shape | mold in the attitude | position which arranged many fuselage | casings in one direction.

When the element guide path is simultaneously formed in each body with the slide core that moves in the front-rear direction of the body, the body is formed in a posture aligned in the width direction. Here, the slide core that moves in the width direction is used. When used, it is necessary to secure a range in which the slide core can move in the width direction of the mold, and the space for arranging the body is reduced. Therefore, only a small number of bodies can be obtained in one casting process, and the manufacturing cost of the slider for the slide fastener has increased.

The present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide a slider for a slide fastener capable of obtaining a large number of bodies in one casting process and reducing manufacturing costs. There is.

The above object of the present invention can be achieved by the following constitution.
(1) A body and a cover member supported by a front column and a rear column that are erected on the upper surface of the body, and the cover member extends downward from the top plate and both side edges of the top plate. A pair of left and right side plates, a pair of left and right side plates, a handle accommodating recess for accommodating the shaft portion of the handle, and a claw portion that enters the element guide path from a claw hole formed in the upper wing plate of the fuselage, An elastic piece that presses the cover member so that the claw portion enters the element guide path, a pair of left and right front engagement pieces that extend forward from the front end portions of the pair of left and right side plates and engage with the front pillar portion, and a pair of right and left A pair of left and right rear engagement pieces that extend rearward from the rear end of the side plate of the side plate and engage the rear column, and the front column faces the upper surface and the front surface of the front engagement piece. A rear engagement portion having a front surface, and a rear column portion having a surface opposite to the upper surface of the rear engagement piece. A slide fastener slider with an engaged concave portion, the front engaged concave portion, the slide fastener slider, characterized by being formed by plastically deforming the front pillar portion.
(2) The rear engaged concave portion further has a surface facing the rear surface of the rear engaging piece, and the rear engaged concave portion is formed by plastically deforming the rear column portion. The slide fastener slider according to (1), which is characterized.
(3) The front side column part has a space inside, and when the front side column part is pressed to form the front-side engaged recess, the member of the deformed portion is depressed and moves into the space ( Slider for slide fastener according to 1).
(4) The rear column portion has a space therein, and when the rear column portion is pressed to form the rear engaged recess, the member of the deformed portion is depressed and moves into the space. The slider for slide fastener according to (2).
(5) The rear side column portion has a protruding piece extending outward from the rear side column portion, and a rear engaged portion is formed by pressing and bending the protruding piece (2). ) Slide fastener slider.
(6) The front side column part has a pair of left and right stoppers extending forward from the front side column part, and a front engaged recess is formed by pressing and bending the pair of left and right stoppers (1) ) Slide fastener slider.

According to the slide fastener slider of the present invention, the front engaged recess of the front column portion is formed by plastically deforming the front column portion. Therefore, the width of the body for forming the front engaged recess The slide core that moves in the direction can be eliminated. Thereby, since many trunk | drums can be obtained by one casting process, the manufacturing cost of the slider for slide fasteners can be reduced.

It is a perspective view explaining one Embodiment of the slider for slide fasteners concerning the present invention. It is a disassembled perspective view of the slider for slide fasteners of FIG. It is a longitudinal cross-sectional view of the slider for slide fasteners of FIG. It is a perspective view of the fuselage | body of the state before a front side engaging recessed part and a rear side engaging recessed part are formed in a front side pillar part and a rear side pillar part. It is a perspective view of the periphery of the front side pillar part of the state before a front side engaging recessed part is formed with a press member. It is a longitudinal cross-sectional view of the periphery of the front side pillar part in the state in which the front side engagement recessed part was formed with the press member. It is a right view of the periphery of the front side pillar part of the state in which the front side engagement recessed part was formed. It is a right view of the periphery of the rear side pillar part of a state before a protruding piece is bent by a bending member. It is a right view of the periphery of the rear side pillar part in the state by which the protruding piece was bent by the bending member. It is a perspective view of the fuselage explaining the 1st modification of the slider for slide fasteners concerning the present invention. In a 1st modification, it is a longitudinal cross-sectional view of the periphery of the rear side pillar part in the state in which the rear side engagement recessed part was formed with the press member. It is a right view of the periphery of the rear side pillar part in the state in which the rear side engagement recessed part shown in FIG. 11 was formed. It is a perspective view of the periphery of the rear side pillar part explaining the 2nd modification of the slider for slide fasteners concerning this invention. In a 2nd modification, it is a longitudinal cross-sectional view of the periphery of the rear side pillar part in the state in which the rear side engagement recessed part was formed with the press member. It is a right view of the periphery of the rear side pillar part in the state in which the rear side engagement recessed part shown in FIG. 14 was formed. It is a right view of the periphery of the front side pillar part explaining the 3rd modification of the slider for slide fasteners concerning this invention. It is the sectional view on the AA line of FIG. It is a perspective view of the periphery of the rear side pillar part explaining the 4th modification of the slider for slide fasteners concerning this invention.

Hereinafter, an embodiment of a slide fastener slider according to the present invention will be described in detail with reference to the drawings. In the following description, the side where the width of the slider is wide and the fastener element separates and exits is referred to as the shoulder opening side, and the side where the width of the slider is narrow and the fastener element engages and exits Is the rear side. Also, the shoulder side is the front side, the rear side is the rear side, the sliding direction of the slider is the front-rear direction, the direction orthogonal to the front-rear direction and parallel to the unillustrated fastener tape is the left-right direction (width direction), front-rear direction, and left-right The direction orthogonal to the direction is the up-down direction.

The slide fastener slider 10 of the present embodiment is a slider with an automatic stop function, and includes a body 20 as shown in FIGS. 1 to 3, and the body 20 is separated in parallel in the vertical direction. The upper wing plate 21 and the lower wing plate 22 arranged at the front, the guide pillar 23 that connects the upper wing plate 21 and the lower wing plate 22 at the front end, and downward along the left and right side edges of the upper wing plate 21. An upper flange 24a that protrudes and a lower flange 24b that protrudes upward along the left and right side edges of the lower blade 22 are provided. As a result, left and right shoulders 25 separated by the guide pillars 23 are formed at the front of the body 20, and a rear opening 26 is formed at the rear of the body 20. A substantially Y-shaped element guide path 27 that connects the left and right shoulder openings 25 and the rear opening 26 is formed between the upper wing board 21 and the lower wing board 22. A passage through which the illustrated fastener element row is inserted is formed.

A front side column part 30 and a rear side column part 40 are erected on the front end part and the rear end part of the upper surface of the upper blade 21, respectively, and the front side column part 30 and the rear side column part 40 include a cover member. 50 is supported so as to be swingable in the vertical direction. In the slider 10 of the present embodiment, after setting the shaft portion 11 a of the handle 11 between the front column portion 30 and the rear column portion 40 of the body 20, the cover member 50 is attached to the front column portion 30 and the rear column portion 40. Is inserted into the body 20.

The cover member 50 is formed by bending a single plate member, and includes a rectangular top plate 51 extending in the front-rear direction, a pair of left and right side plates 52 extending downward from both side edges of the top plate 51, and left and right Each of the pair of side plates 52 is formed on the upper wing plate 21 and extends downward from the rear side of the handle receiving recess 53 of the handle 11 and the handle receiving recess 53 of the right side plate 52. A claw portion 54 that enters the element guide path 27 from the claw hole 21a, an elastic piece 55 that extends downward from the front end portion of the top plate 51, and urges the cover member 50 so that the claw portion 54 enters the element guide path 27; A pair of left and right front engaging pieces 56 that extend forward from the front end portions of the pair of left and right side plates 52 and engage with the front side column portion 30, and a rear side column that extends rearward from the rear end portions of the pair of left and right side plates 52. Left to engage part 40 Having a side engaging piece 57 after the pair. Further, the claw hole 21 a penetrates the element guide path 27 from the upper surface of the upper blade 21. Further, the elastic piece 55 presses the cover member 50 by contacting a front surface portion 33 of the front column portion 30 described later.

The front-side column part 30 connects the front part of the pair of left and right side parts 31 in the width direction, and the rear surface part 32 that connects the rear end parts of the pair of left and right side parts 31 in the width direction. And a front surface portion 33. A space S 1 surrounded by a pair of left and right side portions 31, a rear surface portion 32, and a front surface portion 33 is formed inside the front side pillar portion 30. Further, the front side column portion 30 is formed with a concave elastic piece housing portion 34 that extends from the upper end portion thereof to the front surface of the guide column 23 and that houses the elastic piece 55 of the cover member 50.

Further, on the outer side surfaces of the pair of left and right side portions 31, front engaged recesses 35 are formed to engage the pair of left and right front engagement pieces 56 of the cover member 50, respectively. The front-side engaged recess 35 has a surface facing the upper surface of the front-side engagement piece 56, and abuts on the upper surface of the front-side engagement piece 56 to restrict the upward movement of the cover member 50. And a stopper 35 b that has a surface that faces the front surface of the front engagement piece 56 and that abuts the front surface of the front engagement piece 56 and restricts the forward movement of the cover member 50. As shown in FIG. 3, when the cover member 50 is pulled up by the handle 11, the cover member 50 rotates around the contact point between the front engagement piece 56 and the front engaged recess 35. Note that, as the contact point, the upper surface of the front engagement piece 56 is in contact with the surface of the engagement portion 35a of the opposed front engaged portion 35, and the front surface of the front engagement piece 56 is opposed to the opposed front engagement portion 35. Is in contact with the surface of the stopper 35b.

Further, slopes 37 on which the pair of left and right front engagement pieces 56 rides when the cover member 50 is fitted into the front column portion 30 are formed above the front engaged recesses 35 of the pair of left and right side portions 31, respectively. ing. The slope 37 is a portion inclined downward from the upper end of the side surface portion 31, and downward from the upper end of the side surface portion 31 in order to form the engaging portion 35 a of the front engaged recess 35. It is the part formed so that the thickness in the left-right direction of the side part 31 may increase gradually.

As shown in FIGS. 4 to 7, the front-side engaged recess 35 is configured to plastically deform the inner side surface side by pressing the pair of left and right side surface portions 31 of the front side column portion 30 from the outer surface by pressing

members

61 and 61, respectively. It is formed by letting. Further, during plastic deformation, the deformed portions of the pair of left and right side surface portions 31 move into the space S 1 of the front side column portion 30 because the members of the portions are recessed.

The rear column part 40 extends upward from the lower end of the rear surface of the base part 41 and the base part 41, protrudes upward from the base part 41, and has a larger dimension in the width direction than the base part 41 (projects left and right from the base part 41). 42, and a guide portion 43 having a triangular shape in a side view extending forward from the left end of the front surface of the base portion 41. The guide portion 43, when pulling up the pull handle 11, rides on the shaft portion 11a of the pull handle 11, guides the movement (upward movement) of the shaft portion 11a, and guides the movement of the shaft portion 11a. 50 for moving up. Further, the projecting piece 42 extends outward from the rear side column part 40, and the outer side is above and to the left and right sides with respect to the base 41 of the rear side column part 40.

Then, in the rear column portion 40, as shown in FIGS. 8 and 9, a portion protruding upward from the base portion 41 of the projecting piece 42 is pressed from behind by the bending member 62 so as to cover the upper surface of the base portion 41. By bending forward (plastically deforming), the rear engaged recesses 44 with which the pair of left and right rear engaging pieces 57 of the cover member 50 are engaged are formed.

The rear-side engaged recess 44 has a surface that faces the upper surface of the rear-side engagement piece 57, and engages with the upper surface of the rear-side engagement piece 57 to restrict the upward movement of the cover member 50. And a stopper 44b that has a surface facing the rear surface of the rear engagement piece 57 and abuts against the rear surface of the rear engagement piece 57 to restrict the rearward movement of the cover member 50. The The engaging portion 44a is a portion above the bent portion of the projecting piece 42, and the stopper 44b is a portion below the bent portion.

In the slide fastener slider 10 configured as described above, the front and rear engaged recesses 35 and 44 shown in FIG. 4 are formed by the upper mold, the lower mold, and the slide core that moves in the front-rear direction of the body 20. A large number of trunks 20 that are not formed can be obtained by a single casting process. 6 and 9, the front engaged portion 35 and the rear engaged recess 44 are formed in the front column portion 30 and the rear column portion 40 by the pressing member 61 and the bending member 62, respectively. Is done.

As described above, according to the slide fastener slider 10 of the present embodiment, the front engaged portion 35 and the rear engaged recessed portion 44 of the front column portion 30 and the rear column portion 40 are formed by the front column portion 30. Since the rear column portion 40 is formed by plastic deformation, the slide core that moves in the width direction of the body 20 for forming the front engaged recess 35 and the rear engaged recess 44 is eliminated. Can do. Thereby, since many fuselage | body bodies 20 can be obtained by one casting process, the manufacturing cost of the slider 10 for slide fasteners can be reduced.

As a first modification of the present embodiment, the rear column 40 may be the rear column 70 shown in FIG. The rear column portion 70 includes a pair of left and right side surface portions 71, a rear surface portion 72 that connects the rear end portions of the pair of left and right side surface portions 71 in the width direction, and a side view that extends forward from the front surface of the left side surface portion 71. A space S 2 surrounded by a pair of left and right side portions 71 and a rear surface portion 72 is formed inside the rear side column portion 70.

In this modified example, as shown in FIG. 11, the pair of left and right side portions 71 of the rear side column portion 70 are pressed from the outer surfaces by the

pressing members

63 and 63 to be plastically deformed. Rear engaged recesses 74 with which the pair of rear engagement pieces 57 engage are formed in the pair of left and right side portions 71, respectively. Further, during plastic deformation, the deformed portions of the pair of left and right side surface portions 71 are moved into the space S 2 of the rear side column portion 70 because the members of the portions are recessed.

As shown in FIG. 12, the rear-side engaged recess 74 has a surface facing the upper surface of the rear-side engagement piece 57, and comes into contact with the upper surface of the rear-side engagement piece 57 so as to be above the cover member 50. Has an engagement portion 74a that restricts the movement of the rear engagement piece 57 and a rear face of the rear engagement piece 57, and abuts on the rear face of the rear engagement piece 57 to restrict the rearward movement of the cover member 50. And a stopper 74b.

Further, as a second modification of the present embodiment, the rear side column portion 40 may be a rear side column portion 80 shown in FIG. The rear column portion 80 includes a pair of left and right side portions 81, an upper surface portion 82 that connects the upper ends of the pair of left and right side portions 81 in the width direction, and a triangle in a side view that extends forward from the front surface of the left side portion 81. A space S 3 surrounded by a pair of left and right side portions 81 and an upper surface portion 82 is formed inside the rear column portion 80.

In this modification, as shown in FIG. 14, the pair of left and right side portions 81 of the rear column 80 are pressed from the outer surfaces by the pressing members 64 and 64 to be plastically deformed, whereby the left and right sides of the cover member 50 are left and right. Rear engaged recesses 84 with which the pair of rear engagement pieces 57 engage are formed in the pair of left and right side portions 81, respectively. Further, during the plastic deformation, the deformed portions of the pair of left and right side surface portions 81 are moved into the space S3 of the rear column portion 80 with the members of the portions being recessed.

As shown in FIG. 15, the rear-side engaged recess 84 has a surface facing the upper surface of the rear-side engagement piece 57, and comes into contact with the upper surface of the rear-side engagement piece 57 so as to be above the cover member 50. Has an engagement portion 84a that restricts the movement of the rear engagement piece 57 and a rear face of the rear engagement piece 57, and abuts on the rear face of the rear engagement piece 57 to restrict the rearward movement of the cover member 50. And a stopper 84b.

Further, as a third modification of the present embodiment, the front column 30 may be a front column 90 shown in FIG. The front column 90 is a pair of left and right side portions 91, a rear surface portion 92 that connects the rear ends of the pair of left and right side portions 91 in the width direction, and a front portion of the pair of left and right side portions 91 in the width direction. And a front surface portion 93. Further, the front side column portion 90 and the guide column 23 are formed with an elastic piece accommodating portion 94 that accommodates the elastic piece 55 of the cover member 50. Further, unlike the elastic piece accommodating portion 34, the elastic piece accommodating portion 94 is formed with a notch 91a at the front end portions of the pair of left and right side portions 91, so that the concave portion on the front column 90 side and the guide column 23 are formed. It is divided into a concave part on the side.

Further, on the outer side surfaces of the pair of left and right side portions 91, front engaged recesses 95 that engage with the pair of left and right front engagement pieces 56 of the cover member 50 are formed. The front-side engaged recess 95 has a surface facing the upper surface of the front-side engagement piece 56 and is in contact with the upper surface of the front-side engagement piece 56 to restrict the upward movement of the cover member 50. And a stopper 95b that has a surface facing the front surface of the front engagement piece 56 and that abuts the front surface of the front engagement piece 56 and restricts the forward movement of the cover member 50.

The stopper 95b is formed so as to protrude forward from the left and right side surface portions 91, and is disposed in the notch portion 91a of the left and right side surface portions 91 before being bent.

Further, slopes 97 on which the pair of left and right front engaging pieces 56 ride when the cover member 50 is fitted into the front column 90 are formed above the front engaged recesses 95 of the pair of left and right side portions 91, respectively. ing. The slope 97 is a portion inclined downward from the upper end of the side surface portion 91, and downward from the upper end of the side surface portion 91 in order to form the engagement portion 95 a of the front engaged recess 95. It is the part formed so that the wall thickness of the side part 91 may increase gradually.

Then, as shown in FIG. 17, the front engaged recess 95 is formed by bending (plastically deforming) the left and right stoppers 95 b of the front column 90 to the outside with a bending member (not shown). The left and right stoppers 95b are bent in opposite directions. That is, the left stopper 95b is bent to the left, and the right stopper 95b is bent to the right.

As a fourth modification of the present embodiment, the rear column portion 40 may be the rear column portion 100 shown in FIG. The rear column portion 100 includes a base 101, a pair of left and right protrusions 102 protruding from the upper end of the base 101 to the left and right, and a triangular guide portion 103 extending forward from the left front end of the base 101. Have.

In this modified example, the rear engaged recess 104 in which the pair of left and right rear engagement pieces 57 of the cover member 50 are engaged by the left and right protrusions 102 without plastically deforming the rear column 100. Is configured. The rear engaged recess 104 has a surface facing the upper surface of the rear engagement piece 57 and abuts on the upper surface of the rear engagement piece 57 to restrict the upward movement of the cover member 50. The engaging part 104a is provided. Further, the rear engaged recessed portion 104 is formed by a slide core that moves in the front-rear direction of the body 20, and a slide core that moves in the width direction of the body 20 is not necessary. In this modification, it is not necessary to provide a stopper that restricts the backward movement of the cover member 50.

It should be noted that the present invention is not limited to those exemplified in the above embodiment, and can be appropriately changed without departing from the gist of the present invention.

DESCRIPTION OF SYMBOLS 10 Slide fastener slider 11 Pull handle 11a Shaft part 20 Body 21 Upper blade 21a Claw hole 27 Element guide way 30 Front side pillar part 35 Front side engaging recessed part 40 Rear side pillar part 42 Projection piece 44 Rear side engaged recessed part 50 Cover Member 51 Top plate 52 Side plate 53 Pull-accommodating concave portion 54 Claw portion 55 Elastic piece 56 Front side engaging piece 57 Rear side engaging piece S1 space 70 Rear side column portion 74 Rear engaged portion S2 space 80 Rear side column portion 84 Rear engaged recess S3 space 90 Front column 95 95 Front engaged recess 95b Stopper 100 Rear column 104 Rear engaged recess

Claims

The torso (20),
A cover member (50) supported by the front column portion (30, 90) and the rear column portion (40, 70, 80, 100) standing on the upper surface of the body,
The cover member is
The top plate (51),
A pair of left and right side plates (52) extending downward from both side edges of the top plate;
A handle accommodating recess (53) that is formed in each of the pair of left and right side plates and accommodates the shaft (11a) of the handle (11);
A claw portion (54) that enters the element guide path (27) from a claw hole (21a) formed in the upper wing plate (21) of the fuselage;
An elastic piece (55) for pressing the cover member so that the claw portion enters the element guide path;
A pair of left and right front engagement pieces (56) extending forward from the front end portions of the pair of left and right side plates and engaging the front side column portion;
A pair of left and right rear engagement pieces (57) extending rearward from rear ends of the pair of left and right side plates and engaging with the rear column,
The front column portion has a front engaged recess (35, 95) having a surface facing the upper surface and the front surface of the front engagement piece,
The rear column portion is a slide fastener slider (10) having a rear engaged recess (44, 74, 84, 104) having a surface facing the upper surface of the rear engagement piece,
The slide fastener slider is characterized in that the front engaged recess is formed by plastic deformation of the front column portion.
The rear engaged recess (44, 74, 84) further has a surface facing the rear surface of the rear engaging piece (57),
The slide fastener slider according to claim 1, wherein the rear engaged concave portion is formed by plastic deformation of the rear column portion (40, 70, 80).
The front side pillar portion (30) has a space (S1) inside,
2. The slide fastener slider according to claim 1, wherein when the front pillar portion is pressed to form the front engaged recess (35), a member of the deformed portion is recessed and moves into the space. .
The rear column part (70, 80) has a space (S2, S3) inside,
3. The member according to claim 2, wherein when the rear column portion is pressed to form the rear engaged concave portion (74, 84), the member of the deformed portion is depressed and moves into the space. Slider for slide fastener.
The rear column (40) has a protruding piece (42) extending outward from the rear column,
The slider for a slide fastener according to claim 2, wherein the rear engaged recess (44) is formed by pressing and bending the protruding piece.
The front column part (90) has a pair of left and right stoppers (95b) extending forward from the front column part,
The slider for a slide fastener according to claim 1, wherein the front engaged recess (95) is formed by pressing and bending the pair of left and right stoppers.