CN109198809B - Quick-release pull head and zipper with same - Google Patents
Quick-release pull head and zipper with same Download PDFInfo
- Publication number
- CN109198809B CN109198809B CN201811277347.5A CN201811277347A CN109198809B CN 109198809 B CN109198809 B CN 109198809B CN 201811277347 A CN201811277347 A CN 201811277347A CN 109198809 B CN109198809 B CN 109198809B
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- Prior art keywords
- zipper
- pull head
- quick
- notch
- chamfer
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- 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
- A44B19/28—Sliders constructed to be removable from at least one stringer ; Sliders with movable parts to permit releasing of the slider in the event of jamming or obstruction
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- Slide Fasteners (AREA)
Abstract
The invention discloses a quick-release pull head, which comprises an upper bottom plate and a lower bottom plate, wherein one side of the upper bottom plate is provided with a first bending part for pushing double-side zipper teeth to be meshed, one side of the lower bottom plate is provided with a notch for enabling a zipper belt to be released from an inner cavity of the pull head, the notch is positioned right below the first bending part, the length of the notch is greater than that of the first bending part, one end of the length direction of the notch penetrates through the rear end of the lower bottom plate, and the other end of the length direction of the notch is positioned on the inner side of the front end of the lower. The quick-release pull head provided by the invention can be normally used without the action of external force; under the condition of external force, when the slider is positioned at any position of the zipper, the zipper belts can be separated under the action of the external force; in addition, the structure of the quick release pull head provided by the invention does not need to additionally arrange a production line for processing the quick release pull head, so that the production cost is reduced, and the market competitiveness of the product is improved. The invention also discloses a zipper comprising the quick-release pull head.
Description
Technical Field
The invention relates to the technical field of zippers, in particular to a quick-release pull head. Furthermore, the invention also relates to a zipper comprising the quick-release pull head.
Background
Slide fasteners typically include a stringer and a slider that control the separation or coupling of elements on the stringer by sliding the slider over the stringer. With the development of society, there is a need for a zipper capable of being quickly separated in some special occasions, for example, an athlete needs to quickly take off clothes during exercise, a zipper of an outdoor tent needs to be quickly opened, and the like, and a quick-release slider is generated.
In order to enable the chain belt to be quickly separated, the zipper head is arranged into a left part and a right part in the prior art, the left part and the right part of the zipper head are directly separated during separation, and a magnet is used for combining the separated two parts of zipper head together during combination; because the structure of the puller is greatly changed, an additional production line is needed to be arranged to produce the puller, so that the production cost of the product is increased, the price is increased, and the market competitiveness of the product is reduced.
The prior art also includes: the predetermined number of fastener elements at the top-dead-end side end of the fastener element row in the fastener tape are removed, so that the portion of the fastener tape from which the fastener elements have been removed can be easily detached from the fastener tape insertion passage formed between the upper and lower flanges of the upper and lower wing pieces of the slider, and the gap constituting the fastener tape insertion passage is made larger than a normal gap. In the use process, the zipper can be quickly separated only after the slider slides to the end part of the upper stop side, and the zipper belt can not be instantaneously separated when the slider is at other positions.
In summary, it is an urgent need to solve the problem of the prior art to provide a slider which can be quickly opened and is convenient to produce and process when the slider is at any position.
Disclosure of Invention
In view of the above, the present invention is to provide a quick release slider, which can quickly open a zipper when the quick release slider is at any position, and the slider is convenient to produce and process.
Another object of the present invention is to provide a slide fastener including the above quick release slider, which satisfies the requirement of being quickly opened at any time.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a take off pull head soon, includes upper plate and lower plate, one side of upper plate is provided with the first portion of bending that is used for promoting two side chain tooth engagements, one side of lower plate is provided with and is used for making a chain belt follow the breach that the inner chamber of pull head was deviate from, the breach is located under the first portion of bending, the length of breach is greater than the length of first portion of bending, breach length direction's one end runs through the rear end of lower plate, and the other end is located the inboard of lower plate front end.
Preferably, a first corner cut facilitating the removal of the chain belt is formed on the inner side of the first bending part.
Preferably, the upper edge of the notch is provided with a second chamfer angle convenient for the chain belt to be separated, and the plane where the second chamfer angle is located is parallel to the plane where the first chamfer angle is located.
Preferably, the outer edge of the notch is in a streamline structure.
Preferably, the front end of the lower surface of the upper bottom plate is provided with a third chamfer angle which is convenient for the chain belt to penetrate.
Preferably, the front end of the upper surface of the lower base plate is provided with a fourth chamfer angle which is convenient for the chain belt to penetrate.
A zipper comprises a pull head and a zipper belt, wherein the pull head is the quick-release pull head, and the width of the notch is smaller than that of the zipper teeth.
The invention provides a quick-release pull head, which comprises an upper bottom plate and a lower bottom plate, wherein one side of the upper bottom plate is provided with a first bending part for pushing double-side zipper teeth to be meshed, one side of the lower bottom plate is provided with a notch for enabling a zipper belt to be released from an inner cavity of the pull head, the notch is positioned right below the first bending part, the length of the notch is greater than that of the first bending part, one end of the notch in the length direction penetrates through the rear end of the lower bottom plate, and the other end of the notch is positioned on the inner side of the front end of the lower bottom plate.
Because one side of the lower bottom plate in the slider is provided with the notch, one end of the notch in the length direction penetrates through the rear end of the lower bottom plate, and the total length is greater than the length of the first bending part located on the same side of the notch, the engaged zipper teeth can be separated under the condition that the zipper belt is pulled forcibly, and then the zipper belt is separated from the notch, so that the zipper is opened instantly.
But at the same time, the zipper teeth can be smoothly engaged in a normal state, and the zipper belt cannot be separated from the notch under the action of no external force, so that the width of the notch is required to be smaller than the width of the zipper teeth of the zipper in which the notch is located, wherein the width refers to the width of a horizontal line in the mutual engagement direction of the left and right zipper teeth; and the length of the gap needs to be smaller than that of the lower bottom plate, so that a convex angle is reserved at the front end of the lower bottom plate, and the zipper can be normally plugged and pulled out.
Therefore, the quick-release pull head provided by the invention can enable the zipper to be normally inserted and pulled out without the action of external force, can enable the zipper teeth to be normally engaged, and is not easy to release the zipper belt; under the condition of external force, and the direction of the external force is the direction for separating the engaged zipper teeth, the engaged zipper teeth are separated, and the zipper belt is separated from the notch of the lower bottom plate, so that the aim of quickly separating the zipper is fulfilled.
In addition, the structure of the quick release pull head provided by the invention is an innovative modification on the basis of the existing pull head, an additional production line is not needed for processing the quick release pull head, and the zipper belt can be separated under the action of external force when the pull head is positioned at any position of the zipper.
According to the zipper provided by the invention, the puller is positioned at any position of the zipper, the purpose of quick release can be realized under the action of external force, and the requirements of users can be better met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of a quick release pull head provided by the present invention;
FIG. 2 is a schematic view of the structure of the slide fastener provided in the present invention;
FIG. 3 is a front view of a quick release pull head provided by the present invention;
FIG. 4 is a side view of a quick release pull head provided by the present invention;
FIG. 5 is a top view of a quick release pull head provided by the present invention.
In FIGS. 1-5:
1 is an upper bottom plate, 2 is a lower bottom plate, 11 is a first chamfer, 12 is a third chamfer, 21 is a second chamfer, 22 is a notch, 23 is a convex angle, and 24 is a fourth chamfer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide a quick-release pull head, when the pull head is positioned at any position of a zipper, the engaged zipper teeth can be quickly separated, a zipper belt is released, and the production and the processing are convenient. The other core of the invention is to provide a zipper comprising the quick-release pull head, which can meet the diversified requirements of users.
Referring to fig. 1-5, fig. 1 is a schematic structural view of a quick release slider according to the present invention; FIG. 2 is a schematic view of the structure of the slide fastener provided in the present invention; FIG. 3 is a front view of a quick release pull head provided by the present invention; FIG. 4 is a side view of a quick release pull head provided by the present invention; FIG. 5 is a top view of a quick release pull head provided by the present invention.
The quick release pull head comprises an upper base plate 1 and a lower base plate 2, wherein a first bending part used for pushing double-side zipper teeth to be meshed is arranged on one side of the upper base plate 1, a notch 22 used for enabling a zipper belt to be released from an inner cavity of the pull head is arranged on one side of the lower base plate 2, the notch 22 is located right below the first bending part, one end of the notch 22 in the length direction penetrates through the rear end of the lower base plate 2, the other end of the notch 22 is located on the inner side of the front end of the lower base plate 2, and the length of the notch 22 is larger than that of the first bending part located on the same side of the notch 22.
The length of the notch 22 mentioned in the present invention refers to the longest dimension of the notch 22 along the length direction of the lower plate 2, and the width of the notch 22 refers to the longest dimension of the notch 22 along the width direction of the lower plate 2. The shape of the gap 22 may be a regular geometric figure or an irregular figure, which is determined according to the actual situation and is not described herein.
It should be noted that the front end of the lower bottom plate 2 or the upper bottom plate 1 mentioned in the present invention refers to an end surface facing the moving direction of the slider when the chain teeth in the lower bottom plate 2 or the upper bottom plate 1 are engaged, and this end surface is generally set to be a curved surface in the prior art; the rear end of the lower plate 2 or the upper plate 1 is an end surface facing away from the moving direction of the slider when the coupling elements are engaged, and it is common in the prior art to set the end surface to be a flat surface.
The two sides of the upper base plate 1 are provided with bending parts, the first bending part and the gap 22 are positioned at the same side, and the second bending part at the other side of the upper base plate 1 is positioned at the other side of the slider. Note that, the side referred to in the present invention means a side where one of two fastener tapes of the slide fastener for inserting the quick-release slider is located.
Because the other end of the notch 22 is located at the inner side of the front end of the lower base plate 2, the part of the lower base plate 2 which is located at the same side as the notch 22 and located between the notch 22 and the front end of the lower base plate 2 is called as a convex angle 23, the convex angle 23 can enable the zipper tape to be normally inserted and pulled, and the zipper tape cannot be pulled out of the quick-release slider without the action of external force, so that the normal use of the zipper is ensured.
The shape of the convex corner 23 may be the shape of this part in the existing slider, and may also be provided with other shapes, which are not described herein.
In order to prevent the fastener tape from coming off the notch 22 without an external force, the width of the notch 22 needs to be smaller than the width of the element to be engaged with the quick-release slider, and the width of the element is a width on a horizontal line in the direction in which the right and left elements of the slide fastener are engaged with each other.
When the chain belt needs to be quickly separated in the using process, firstly, the chain belt located on one side of the notch 22 is pulled, the direction of the pulling acting force is opposite to the meshing direction of the teeth of the chain belt, the teeth of the chain belt in a separated state are separated from the notch 22 under the action of the acting force, and the chain belt is bent in the separation process of the teeth, so that the length of the notch 22 needs to be larger than that of the first bending part; the adjacent elements in the engaged state are separated, then the separated elements are separated from the notch 22, one fastener tape in the zipper is separated from the quick release slider, then the elements in the engaged state are separated under the action of a pulling force, and finally the whole fastener tape is separated.
The pulling force referred to herein is a force that artificially pulls the fastener tape outward during use of the slide fastener, and includes, for example: the sportsman need unzip the zip fastener when running, because the volume of the pulling-on piece of being connected with the pull head is less, and the running in-process is difficult to catch, in order not to influence the running, the sportsman can both hands draw the chain belt of sewing into an organic whole with the clothes to the outside respectively, certainly also can draw the chain belt that can deviate from in one hand, and another chain belt is fixed in one hand to make a chain belt deviate from in breach 22.
Therefore, when no external force acts on the quick release pull head, the chain belt can be normally plugged and pulled, so that the chain teeth are normally engaged, the chain belt cannot be easily released from the quick release pull head, and the quick release pull head can be normally used like a common zipper; under the action of a pulling force, the zipper belt can be quickly separated from the inner cavity of the pull head, so that the zipper belt is separated, and the purpose of quickly separating the zipper is achieved.
In addition, the quick-release pull head provided by the invention is an improvement on the basis of the pull head in the prior art, so that the quick-release pull head does not need to be additionally provided with a production line for processing the quick-release pull head, the production and the processing are convenient, the production cost is low, and the market competitiveness of a product is improved; and when the quick-release pull head is positioned at any position of the zipper, the quick separation of the zipper can be realized, and the requirements of users can be better met.
In addition to the above embodiments, in order to make the fastener tape more easily come off from the notch 22, a first corner 11 for facilitating the removal of the fastener tape may be provided inside the first bent portion.
The optimum angle of the first chamfer 11 needs to be determined according to the size of the quick-release slider and the size of the fastener element, and will not be described herein.
In addition, it should be noted that the first corner 11 should be provided at all the inner edges of the first bent portion in the longitudinal direction.
In the use process, the chain belt can slide out along the first cutting angle 11, so that the chain belt can be more smoothly separated.
On the basis of the above embodiment, in order to save labor in the process of releasing the fastener tape, a second chamfer 21 for releasing the fastener tape may be provided at the upper edge of the notch 22, and the plane of the second chamfer 21 is parallel to the plane of the first chamfer 11.
In the chain belt releasing process, the chain belt can slide out along a plane formed by the first tangent angle 11 and the second tangent angle 21 and parallel to each other, so that the acting force is directed obliquely downwards along the first tangent angle 11, therefore, the pulling acting force simultaneously has a component force opposite to the meshing direction of the chain teeth and a component force vertical to the meshing direction of the chain teeth, and the component force vertical to the meshing direction of the chain teeth makes the chain teeth dislocated, so that the meshed chain teeth are separated more easily, and the chain belt releasing process is more labor-saving.
Meanwhile, the zipper can be prevented from being accidentally separated when the zipper belt is subjected to acting force in the direction opposite to the meshing direction of the zipper teeth, and the safety of the zipper is enhanced.
In order to make the quick release slider more aesthetically pleasing overall, the outer edges of the notches 22 may be provided with a streamlined configuration.
Preferably, the streamline edge can be designed into a shape matched with the shape of the zipper teeth, so that the process of the zipper teeth falling off is smoother.
On the basis of the above embodiment, in order to make the fastener tape more easily penetrate into the quick-release slider, the third chamfer 12 for facilitating the penetration of the fastener tape may be provided at the front end of the lower surface of the upper plate 1.
The third chamfer angle 12 can be arranged at one side of the chain belt which needs to be penetrated frequently, and can also be symmetrically arranged at two sides of the upper bottom plate 1, so that the penetration of the other chain belt is convenient in the zipper assembly process; meanwhile, the slider can slide more smoothly.
The front end of the upper surface of the lower bottom plate 2 can be provided with a fourth chamfer 24 which is convenient for the chain belt to penetrate, the fourth chamfer 24 can be arranged on one side of the chain belt which needs to penetrate frequently, and the fourth chamfer can also be symmetrically arranged on two sides of the lower bottom plate 2.
It should be noted that, the first bending portion and the second bending portion mentioned in the present invention are only for illustrating the difference of the positions of the two, and are not sequentially divided.
In addition to the quick release slider, the invention also provides a zipper comprising the quick release slider disclosed in the above embodiment, the zipper comprises a slider and a zipper tape, the zipper tape is provided with zipper teeth, the zipper tape can be separated under the action of external force when the quick release slider is at any position in the using process of the zipper, and in order to ensure that the zipper tape is not easy to release from the notch 22 under normal conditions, the width of the notch 22 needs to be smaller than the width of the zipper teeth.
For the structure of other parts of the zipper, please refer to the prior art, and the description is omitted here.
The zipper with the quick-release pull head provided by the invention is mainly applied to sports clothes, and meets the requirement that the zipper needs to be quickly opened in the moving process; the opening device can also be applied to a tent to meet the requirement of quickly opening the tent opening; of course, the method can also be applied to other product fields, and is not described in detail herein.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all embodiments provided by the present invention is within the scope of the present invention, and will not be described herein.
The quick release slider and the slide fastener having the same according to the present invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a take off pull head soon, includes upper plate (1) and lower plate (2), its characterized in that, one side of upper plate (1) is provided with the first portion of bending that is used for promoting two side chain tooth engagements, one side of lower plate (2) is provided with and is used for making a chain belt follow breach (22) that the inner chamber of pull head was deviate from, breach (22) are located under the first portion of bending, the length of breach (22) is greater than the length of first portion of bending, breach (22) length direction's one end is run through the rear end of lower plate (2), the other end is located the inboard of lower plate (2) front end.
2. The quick release slider according to claim 1, characterized in that the inner side of said first bend is provided with a first chamfer (11) facilitating the release of said stringer.
3. The quick release slider according to claim 2, characterized in that the upper edge of the junction of the lower base plate (2) and the notch (22) is provided with a second chamfer (21) for facilitating the release of the zipper tape, and the plane of the second chamfer (21) is parallel to the plane of the first chamfer (11).
4. Quick release slider according to claim 2 or 3, characterised in that the outer edge of the lower plate (2) where the notches (22) meet is of streamlined construction.
5. The quick release slider according to claim 4, characterized in that the front end of the lower surface of said upper base plate (1) is provided with a third chamfer (12) facilitating the threading of said stringer.
6. The quick release slider according to claim 5, characterized in that the front end of the upper surface of said lower plate (2) is provided with a fourth chamfer (24) facilitating the threading of said stringer.
7. A slide fastener comprising a slider and a stringer, wherein the slider is a quick-release slider according to any of claims 1 to 6, and the width of the gap (22) is smaller than the width of the element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811277347.5A CN109198809B (en) | 2018-10-30 | 2018-10-30 | Quick-release pull head and zipper with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811277347.5A CN109198809B (en) | 2018-10-30 | 2018-10-30 | Quick-release pull head and zipper with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109198809A CN109198809A (en) | 2019-01-15 |
| CN109198809B true CN109198809B (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811277347.5A Active CN109198809B (en) | 2018-10-30 | 2018-10-30 | Quick-release pull head and zipper with same |
Country Status (1)
| Country | Link |
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| CN (1) | CN109198809B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110101169B (en) * | 2019-04-30 | 2021-07-09 | 福建浔兴拉链科技股份有限公司 | Quick-release pull head structure, quick-release zipper and product with zipper |
| CN110432599A (en) * | 2019-08-20 | 2019-11-12 | 江苏驰马拉链科技股份有限公司 | It is a kind of quickly to separate pull head and zipper |
| CN115644570A (en) * | 2022-10-20 | 2023-01-31 | 华福森服饰（深圳）有限公司 | Zipper tooth and zipper |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109198809A (en) | 2019-01-15 |
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