CN113508966A - Pulling-on piece of sportswear zip fastener - Google Patents
Pulling-on piece of sportswear zip fastener Download PDFInfo
- Publication number
- CN113508966A CN113508966A CN202110863329.0A CN202110863329A CN113508966A CN 113508966 A CN113508966 A CN 113508966A CN 202110863329 A CN202110863329 A CN 202110863329A CN 113508966 A CN113508966 A CN 113508966A
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- rope end
- rope
- end fixing
- pull
- fixing part
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- 239000011347 resin Substances 0.000 claims abstract description 16
- 229920005989 resin Polymers 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims description 10
- 238000001746 injection moulding Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 206010012374 Depressed mood Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/24—Details
- A44B19/26—Sliders
- A44B19/262—Pull members; Ornamental attachments for sliders
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/24—Details
- A44B19/26—Sliders
Landscapes
- Slide Fasteners (AREA)
Abstract
The invention relates to the field of accessories related to zippers, in particular to a pull piece of a zipper of sports clothes, which comprises a pull rope with a first rope end and a second rope end, wherein the first rope end or the second rope end penetrates through a pull head to be connected with the pull head; a rope end fixing part made of resin and used for fixing the first rope end and the second rope end; a rope end fixing piece which is embedded in the rope end fixing part and enables the first rope end and the second rope end to be kept flat; the rope end fixing piece is of an open infinity-shaped annular structure, the first rope end and the second rope end are clamped in the opening infinity-shaped annular structure, and a groove is formed in the surface of the rope end fixing part. This technical scheme has solved the current not good problem of pulling-on piece quality that has the stay cord.
Description
Technical Field
The invention relates to the field of accessories related to zippers, in particular to a zipper pull of a sports wear zipper.
Background
The pull tab of the zipper is typically formed from a metal sheet having an aperture in which a slider is mounted. These metal sheets are often too small to allow the zipper to slide easily; therefore, many manufacturers attach a rope having a larger handle to the end of the existing zipper handle, as shown in chinese patent CN2415646Y, a rope type zipper handle is composed of a pulling rope and a handle body, the handle body is a two-color flat body, the middle of the handle body is concave, and convex strips are arranged at the upper and lower parts of the concave part, and the pulling rope is fixed at the upper part of the handle body. Which shows the basic structure of a prior pull tab with a pull cord.
As shown in CN 110384314 a, a pull tab for a slide fastener includes: a connecting body capable of being connected to a slider, and a pull-tab body integrally attached to the connecting body, the connecting body including: an exposed portion exposed from the tab body, and an embedded portion embedded in the tab body, the tab body including: a first forming portion made of resin and including at least one or more annular end portions having an opening and capable of surrounding an end portion of the embedded portion adjacent to the exposed portion; and a second forming portion made of resin, which is formed on the first forming portion with the embedded portion disposed therebetween, the first forming portion and the second forming portion being integrated (formed integrally).
In the present invention, when the pull-tab body is integrally attached to the connecting body, first, the end of the embedded portion adjacent to the exposed portion in the connecting body is surrounded by the annular end of the first forming portion formed in advance. Next, a second forming portion is formed by injection molding a resin to the first forming portion with the embedded portion disposed therebetween. Thus, the pull-tab body including the first and second forming portions in which the embedded portion of the coupling body is embedded is formed, and the pull-tab is completed. In the injection molding of the second forming portion, the annular end portion is disposed at an end portion of a cavity of a molding die of the second forming portion, that is, at an end portion of a cavity of the coupling body adjacent to the exposed portion, and the end portion of the embedded portion of the coupling body adjacent to the exposed portion is surrounded by the annular end portion at the end portion of the cavity. The opening of the annular end portion is set to a size such that the annular end portion surrounds the end portion of the embedded portion adjacent to the exposed portion of the coupling body with as little clearance as possible. In this state, the second forming portion is formed by injecting a molten resin into the cavity of the forming die, the first forming portion and the second forming portion are integrated with the embedded portion disposed therebetween to constitute the tab body, and the ring-shaped end portion remains as an end portion of the tab body adjacent to the exposed portion of the coupling body.
Which shows a way of forming a pull tab with a resin structure.
However, the existing pulling-on piece, in particular to the pulling-on piece of the zipper applied to the sports wear, has the following problems:
firstly, due to the production limitation of a resin pull piece structure, the connection between a pull rope and pull pieces is excessively inconsistent, so that the positions of two ends of the pull rope on the pull pieces are not uniform, and the attractiveness of a product is influenced;
secondly, the quality of the existing production process is poor, and the situation that the pull rope is separated from the pull piece is easy to occur;
and thirdly, the resin pull piece is light in weight, lacks the texture of the metal pull piece and influences the hand feeling during pulling.
Disclosure of Invention
Therefore, the invention provides a pull tab of a sports wear zipper, which solves the problem that the existing pull tab with a pull rope is poor in quality.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a pull tab of a zipper of sports clothes comprises a pull rope with a first rope end and a second rope end, wherein the first rope end or the second rope end penetrates through a pull head to be connected with the pull head;
a rope end fixing part made of resin and used for fixing the first rope end and the second rope end;
a rope end fixing piece which is embedded in the rope end fixing part and enables the first rope end and the second rope end to be kept flat;
the rope end fixing piece is of an open infinity-shaped annular structure and clamps the first rope end and the second rope end.
Preferably, the surface of the rope end fixing part is provided with a groove.
Preferably, a reflective sheet is embedded in the groove.
Preferably, the rope end fixing part is of a cylindrical structure, and the first rope end and the second rope end are fixed at axial end parts of the cylindrical structure.
Preferably, the string end fixing piece is embedded in the string end fixing part at 1/2-4/5 of its length.
Preferably, the rope end fixing part is of a long strip-shaped structure with a round-corner rectangular cross section, and the upper end face and the lower end face of the rope end fixing part are provided with bulges and arc-shaped grooves which are convenient for fingers to pull.
Preferably, the rope end fixing part is provided with anti-slip threads at one side end far away from the first rope end and the second rope end.
Preferably, the rope end fixing piece is embedded between the end of the rope end fixing portion and the arc-shaped groove.
Preferably, the rope end fixing piece is made of metal.
Preferably, the string-end fixing piece is wholly or partially embedded in the string-end fixing portion.
By adopting the technical scheme, the invention has the beneficial effects that:
according to the technical scheme, the structure with the rope end fixing pieces is adopted, so that the positions of two ends of the pull rope which is difficult to position can be fixed, the positions of the first rope end and the second rope end are kept when the rope end fixing portions are subjected to injection molding, and the position deviation caused by material self-expansion or machine vibration is not easy to occur, so that the position deviation of the two rope ends is not easy to occur, and the integral attractiveness of the pull piece is influenced;
secondly, the first rope end and the second rope end are clamped in advance through the rope end fixing piece and then are connected with the rope end fixing part into a whole through injection molding, so that the connecting structure is more stable, and the condition that a single saint rope end on the pull rope is separated from the rope end fixing part independently can not occur;
thirdly, the rope end fixing piece is additionally arranged, so that the quality of the whole pulling piece can be slightly increased, the rigidity is not too strong like that of a metal pulling piece, the characteristics of wear resistance and skid resistance of resin materials and easiness in pulling are kept, meanwhile, the falling and sinking feeling during pulling is increased, and the texture of the whole pulling piece is improved.
Drawings
FIG. 1 is a schematic perspective view of a pull tab according to an embodiment of the present invention;
FIG. 2 is a schematic radial cross-sectional view of a rope end fixing portion according to an embodiment of the present invention;
FIG. 3 is a schematic side view of a second tab of an embodiment of the present invention;
fig. 4 is a schematic view of the three-dimensional structure of a three-piece pull tab according to an embodiment of the invention.
Reference numerals: 1. a first rope end; 2. a second rope end; 3. a rope end fixing part; 31. a groove; 32. a protrusion; 33. an arc-shaped slot; 34. anti-skid lines; 4. a rope end fixing piece; 5. a reflective sheet.
Detailed Description
The following detailed description will be provided for the embodiments of the present invention with reference to specific embodiments, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented.
Example one
Referring to fig. 1 and 2, a pull tab of a zipper of sportswear comprises a pull rope with a first rope end 1 and a second rope end 2, wherein the first rope end 1 or the second rope end 2 penetrates through the slider to be connected with the slider (the specific structure of the slider is not shown in the figure);
a rope end fixing part 3 made of resin for fixing the first rope end 1 and the second rope end 2;
a rope end fixing piece 4 embedded in the rope end fixing part 3 and keeping the first rope end 1 and the second rope end 2 flat, wherein the rope end fixing piece 4 is made of metal;
the rope end fixing piece 4 is of an open infinity-shaped annular structure and clamps the first rope end 1 and the second rope end 2; specifically, the rope end fixing part 3 is of a cylindrical structure, and the first rope end 1 and the second rope end 2 are fixed at the axial end parts of the cylindrical structure;
according to the technical scheme, the structure with the rope end fixing piece 4 is adopted, so that the positions of two ends of the pull rope which is difficult to position can be fixed, the positions of the first rope end 1 and the second rope end 2 are kept when the rope end fixing part 3 is used for injection molding, and the position deviation caused by the expansion and contraction of materials or the vibration of a machine table is not easy to occur, so that the position deviation of the two rope ends is not easy to occur, and the integral attractiveness of the pull piece is influenced;
secondly, the first rope end 1 and the second rope end 2 are clamped in advance through the rope end fixing piece 4 and then are connected with the rope end fixing part 3 into a whole through injection molding, so that the connecting structure is more stable, and the condition that a single saint rope end on a pull rope is separated from the rope end fixing part 3 independently can not occur;
thirdly, the rope end fixing sheet 4 is additionally arranged, so that the quality of the whole pulling piece can be slightly increased, but the rigidity is not too strong as that of a metal pulling piece, the characteristics of wear resistance and skid resistance of a resin material and easiness in pulling are kept, meanwhile, the sinking feeling during pulling is increased, and the texture of the whole pulling piece is improved;
in this embodiment, the surface of the rope end fixing portion 3 is provided with a groove 31; the structure of the groove 31 is arranged, and the concave structure of the outer surface of the rope end fixing part 3 is added, so that the anti-skidding and pulling are facilitated; meanwhile, conditions are provided for adding functional structures in the subsequent grooves 31; specifically, the reflective sheet 5 is embedded in the groove 31; the addition of the reflector 5 can increase the reflection effect on the rope end fixing part 3, thereby not only being practical, but also improving certain aesthetic effect;
in this embodiment, the length of the string-end fixing piece 4 embedded in the string-end fixing portion 3 is 4/5; the length ratio can be adjusted according to the weight requirement and raw materials of production, and can be in the range of 1/2-4/5. The weight of the whole pulling piece is adjusted through the different widths of the rope end fixing pieces 4; when the rope end fixing part occupies 4/5 of the length of the rope end fixing part 3, the weight distribution is more uniform, and the situation that one end is heavy is avoided;
in this embodiment, the string-end fixing piece 4 is integrally embedded in the string-end fixing portion 3; thus, in appearance, the structure of the pull piece is not greatly different from that of the traditional pull piece with the pull rope, but the effects of increasing the quality and enhancing the pulling hand feeling can be realized;
meanwhile, as shown in fig. 1, the rope end fixing piece 4 has a certain compression effect on the pulling rope in the production process, so that when the rope end fixing part 3 is formed, a corresponding connecting surface with an irregular section can be formed on the outer surface of the pulling rope embedded in the rope end fixing piece, and the rope end fixing piece and the pulling rope are more stable and can bear larger pulling force when being connected.
Example two
Referring to fig. 3, compared with the first embodiment, a pull tab structure with a different shape is designed, specifically: the rope end fixing part 3 is a long strip-shaped structure with a round-corner rectangular cross section, and the upper end surface and the lower end surface of the rope end fixing part are provided with a bulge 32 and an arc-shaped groove 33 which are convenient for fingers to pull; the structure improves the convenience and the skid resistance when in pulling;
meanwhile, in order to enhance the effect, the rope end fixing part 3 is provided with anti-slip threads 34 at one side end away from the first rope end 1 and the second rope end 2, and specifically, the anti-slip threads 34 are arranged on the outer surface of the protrusion 32;
corresponding improvement needs to be made on the internal structure, specifically, the rope end fixing piece 4 is embedded between the end part of the rope end fixing part 3 and the arc-shaped groove 33; thus, the width of the string-end fixing piece 4 is reduced, but the amount of resin used is also reduced in the resin structure at the rear, and the weight of the string-end fixing piece 3 at a position not including the string-end fixing piece 4 is reduced, and the weight can be kept uniform to a certain extent.
EXAMPLE III
Referring to fig. 4, compared with the first embodiment, another structure is designed, specifically, the rope end fixing piece 4 is partially embedded in the rope end fixing part 3; this kind of structure is in order to guarantee that first rope end 1, second rope end 2 are closely connected with rope end fixed part 3, has avoided the junction separation of first rope end 1 with second rope end 2, also avoids appearing the condition appearance that stay cord and resin's rope end fixed part 3 appear separating.
Meanwhile, there is shown a basic production method of a corresponding pull tab structure, a pull tab production method of a slide fastener for sportswear, comprising the steps of:
a. taking a continuously conveyed pull rope, and simultaneously arranging an injection mold with a molding mold cavity;
b. fixing the end part of a continuously conveyed pull rope;
c. a pulling-out mechanism is arranged to pull out the pulling rope along the direction vertical to the conveying direction of the pulling rope and form a first rope end 1 and a second rope end 2, and the first rope end 1 and the second rope end 2 fall into a forming die cavity;
d. the injection mold performs injection molding to form a rope end fixing part 3, and the parts of the first rope end 1 and the second rope end 2 are embedded in the formed rope end fixing part 3;
e. a cutting mechanism is arranged on one side close to the input end of the pulling rope to cut and separate the formed rope end fixing part 3 from the continuously conveyed pulling rope to form a single pulling piece;
f. and then the pulling rope continues to convey, and the steps b, c and d are repeated to realize continuous production of the pull tab.
When the rope end fixing piece 4 is produced, the method between the steps c and d further comprises the following steps:
c1, taking a continuously conveyed metal strip, arranging a stamping die in front of the injection die, and pulling out the pull rope by a pulling-out mechanism to penetrate through a stamping die cavity of the stamping die;
c2, stamping the metal strip to coat the outer surfaces of the first rope end 1 and the second rope end 2 to form a rope pulling fixing piece;
c3, the pulling mechanism continues to act, and the first rope end 1 and the second rope end 2 with the rope pulling fixing pieces after being punched are pulled into a forming cavity of the injection mould.
The corresponding structure of the rope end fixing piece 4 is adjusted by adopting the step c3, wherein the pulling-out mechanism pulls the whole rope end fixing piece to be embedded into the forming cavity of the injection mould or leads the part of the rope end fixing piece to extend out of the rear end of the forming cavity.
After injection molding, the method further comprises a step e1 after the step e: after the single pull piece is formed, the pulling-out mechanism continues to act to pull the single pull piece to be output backwards so as to realize demoulding and collection.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A pulling-on piece of sportswear zip fastener which characterized in that:
the pull-rope comprises a pull rope with a first rope end (1) and a second rope end (2), wherein the first rope end (1) or the second rope end (2) penetrates through the pull head to be connected with the pull head;
a rope end fixing part (3) made of resin and used for fixing the first rope end (1) and the second rope end (2);
a rope end fixing piece (4) which is embedded in the rope end fixing part (3) and enables the first rope end (1) and the second rope end (2) to be kept flat;
the rope end fixing piece (4) is of an open infinity-shaped annular structure and clamps the first rope end (1) and the second rope end (2) therein.
2. The pull tab of a sports wear zipper according to claim 1, wherein: the surface of the rope end fixing part (3) is provided with a groove (31).
3. The pull tab of a sports wear zipper according to claim 2, wherein: the grooves (31) are internally embedded with reflective sheets (5).
4. The pull tab of a sports wear zipper according to claim 3, wherein: the rope end fixing part (3) is of a cylindrical structure, and the first rope end (1) and the second rope end (2) are fixed at the axial end part of the cylindrical structure.
5. The pull tab of a sports wear zipper according to claim 4, wherein: the length of the rope end fixing piece (4) embedded in the rope end fixing part (3) is 1/2-4/5.
6. The pull tab of a sports wear zipper according to claim 3, wherein: the rope end fixing part (3) is of a long strip-shaped structure with a round-corner rectangular cross section, and a bulge (32) and an arc-shaped groove (33) which are convenient for fingers to pull are arranged on the upper end face and the lower end face of the rope end fixing part.
7. The pull tab of a sports wear zipper according to claim 6, wherein: and anti-skid grains (34) are arranged at one side end of the rope end fixing part (3) far away from the first rope end (1) and the second rope end (2).
8. The pull tab of a sports wear zipper according to claim 7, wherein: the rope end fixing piece (4) is embedded between the end part of the rope end fixing part (3) and the arc-shaped groove (33).
9. The pull tab of a slide fastener for sports clothes according to any one of claims 1 to 8, characterized in that: the rope end fixing piece (4) is made of metal.
10. The pull tab of a slide fastener for sports clothes according to any one of claims 1 to 8, characterized in that: the rope end fixing piece (4) is wholly or partially embedded in the rope end fixing part (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110863329.0A CN113508966B (en) | 2021-07-29 | 2021-07-29 | Pulling-on piece of sportswear zip fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110863329.0A CN113508966B (en) | 2021-07-29 | 2021-07-29 | Pulling-on piece of sportswear zip fastener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113508966A true CN113508966A (en) | 2021-10-19 |
| CN113508966B CN113508966B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110863329.0A Active CN113508966B (en) | 2021-07-29 | 2021-07-29 | Pulling-on piece of sportswear zip fastener |
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| Country | Link |
|---|---|
| CN (1) | CN113508966B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2415646Y (en) * | 2000-04-18 | 2001-01-24 | 张耀仁 | Rope type slider holder for zipper |
| CN205409990U (en) * | 2014-12-04 | 2016-08-03 | Ykk株式会社 | Pulling -on piece and for zip fastener pull head of pull head for zip fastener |
| CN110384314A (en) * | 2018-04-20 | 2019-10-29 | Ykk株式会社 | The pulling-on piece of zipper and the manufacturing method of pulling-on piece |
| CN210471200U (en) * | 2019-07-24 | 2020-05-08 | 浙江伟星实业发展股份有限公司 | Pulling-on piece and have zip fastener of this pulling-on piece |
| CN211268759U (en) * | 2019-09-29 | 2020-08-18 | 张志艳 | Obstetrical department wearing body capable of improving user autonomous operation capability and shielding piece thereof |
-
2021
- 2021-07-29 CN CN202110863329.0A patent/CN113508966B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2415646Y (en) * | 2000-04-18 | 2001-01-24 | 张耀仁 | Rope type slider holder for zipper |
| CN205409990U (en) * | 2014-12-04 | 2016-08-03 | Ykk株式会社 | Pulling -on piece and for zip fastener pull head of pull head for zip fastener |
| CN110384314A (en) * | 2018-04-20 | 2019-10-29 | Ykk株式会社 | The pulling-on piece of zipper and the manufacturing method of pulling-on piece |
| CN210471200U (en) * | 2019-07-24 | 2020-05-08 | 浙江伟星实业发展股份有限公司 | Pulling-on piece and have zip fastener of this pulling-on piece |
| CN211268759U (en) * | 2019-09-29 | 2020-08-18 | 张志艳 | Obstetrical department wearing body capable of improving user autonomous operation capability and shielding piece thereof |
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| Publication number | Publication date |
|---|---|
| CN113508966B (en) | 2024-03-29 |
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