CN209498793U - Butterfly tooth pull head and butterfly tooth zipper - Google Patents
Butterfly tooth pull head and butterfly tooth zipper Download PDFInfo
- Publication number
- CN209498793U CN209498793U CN201821270720.XU CN201821270720U CN209498793U CN 209498793 U CN209498793 U CN 209498793U CN 201821270720 U CN201821270720 U CN 201821270720U CN 209498793 U CN209498793 U CN 209498793U
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- pull head
- cover plate
- butterfly
- cloth
- cloth seam
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Abstract
The utility model provides a kind of butterfly tooth pull head and butterfly tooth zipper, butterfly tooth pull head includes upper cover plate and lower cover plate, the first pull head cloth seam and the second pull head cloth seam positioned at the first pull head cloth seam outside are cooperatively formed between upper cover plate and the two sides of lower cover plate, and first pull head cloth seam width be greater than the second pull head cloth seam width, first pull head cloth is stitched to be slidably matched for the empennage of the butterfly teeth with fastener chain, and the second pull head cloth is stitched for being slidably matched with strap.Since cloth tape thickness is less than empennage thickness, the width that the second pull head cloth positioned at outside stitches is less than the width that the second pull head cloth stitches, so the cloth slit width degree of pull head two sides is reduced, so as to avoid the phenomenon that drawing body for causing pull head in spray painting or electroplating process is with drawing body mutually to sting, body and pulling-on piece is drawn mutually to sting.
Description
Technical field
The utility model relates to zipper technology fields, draw more specifically to a kind of butterfly tooth pull head and butterfly tooth
Chain.
Background technique
Plastic-steel butterfly tooth zipper be by conventional tooth form, then extend outwardly arrange in pairs or groups empennage (empennage have certain thickness, therefore
Can be above belt surface), a kind of delrin zippers with pulllers tooth form being composed (by injection mold one-pass molding).
The dedicated pull head of butterfly tooth of plastic-steel butterfly tooth zipper collocation, because of the presence of empennage, (pull head cloth seam refers to pull head cloth seam
Be gap distance between the upper cover plate of pull head, lower cover plate two sides side wall) width need the thickness more than or equal to empennage,
To guarantee that the surface of pull head cloth seam two sides is contacted with empennage, therefore the width of pull head cloth seam is bigger than conventional pull head；In this way spray painting or
In person's electroplating process, the phenomenon that will cause the drawing body of pull head and body is drawn mutually to sting, body and pulling-on piece is drawn mutually to sting, life is greatly reduced
Efficiency is produced, and produces more secondary waste product.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of butterfly tooth pull head, to reduce the cloth of pull head two sides
Slit width degree, to avoid the drawing body for causing pull head in spray painting or electroplating process and body is drawn mutually to sting, draw body and pulling-on piece mutual
The phenomenon that stinging.
The another object of the utility model is to provide a kind of butterfly tooth zipper with above-mentioned butterfly tooth pull head.
In order to achieve the above object, the utility model provides the following technical solutions:
A kind of butterfly tooth pull head, including upper cover plate and lower cover plate, between the upper cover plate and the two sides of the lower cover plate
Cooperatively form the first pull head cloth seam and the second pull head cloth seam positioned at the first pull head cloth seam outside, and the first pull head cloth
The width L1 of seam is greater than the width L2 of the second pull head cloth seam, and the first pull head cloth seam is for the butterfly tooth with fastener chain
The empennage of tooth is slidably matched, and the second pull head cloth seam with strap for being slidably matched.
Preferably, in above-mentioned pull head, the width L2 of the second pull head cloth seam be less than the thickness of the upper cover plate, it is described under
The pulling-on piece thickness of the thickness of cover board and the pull head.
Preferably, in above-mentioned pull head, the upper cover plate and the lower cover plate are symmetrically disposed on the first pull head cloth seam
Two sides.
Preferably, in above-mentioned pull head, the width L1 of the first pull head cloth seam is equal to the thickness of the empennage.
Preferably, in above-mentioned pull head, the width L2 of the second pull head cloth seam is equal to the thickness of the strap.
Preferably, in above-mentioned pull head, the two sides of the upper cover plate and the lower cover plate are respectively arranged with step structure, described
Step structure includes the offset of First terrace, second step face and connection the First terrace and the second step face
Face, the second step face are parallel to the First terrace, and the offset face is perpendicular to the First terrace, and described first
Step surface can be contacted with the empennage, and the second step face can be contacted with the strap.
It can be seen from the above technical scheme that butterfly tooth pull head provided by the utility model includes upper cover plate and lower cover
The first pull head cloth seam is cooperatively formed between the two sides of plate, upper cover plate and lower cover plate and is drawn positioned at the second of the first pull head cloth seam outside
Head cloth seam, and the width of the first pull head cloth seam is greater than the width of the second pull head cloth seam, the first pull head cloth seam is used for and fastener chain
The empennages of butterfly teeth be slidably matched, the second pull head cloth is stitched for being slidably matched with strap.
The butterfly tooth of the utility model pull head includes that the first pull head cloth seam and the second pull head cloth stitch, in application, being located at interior
The first pull head cloth seam of side and the empennage of the butterfly teeth of fastener chain are slidably matched, the second pull head cloth seam and cloth positioned at outside
Band is slidably matched.
Since cloth tape thickness is less than empennage thickness, the width that the second pull head cloth positioned at outside stitches is stitched less than the second pull head cloth
Width, so the cloth slit width degree of pull head two sides is reduced, so as to avoid causing in spray painting or electroplating process
The phenomenon that drawing body and drawing body of pull head are mutually stung, body and pulling-on piece drawn mutually to sting, greatly promotes production efficiency, reduces time in production process
Waste product reduces the loss of material.
The utility model additionally provides a kind of butterfly tooth zipper, including with butterfly teeth fastener chain and with the drawing
The butterfly tooth pull head of chain chain interoperation, the butterfly tooth pull head is any of the above-described kind of butterfly tooth pull head, due to above-mentioned butterfly
Butterfly tooth has said effect with pull head, and the butterfly tooth zipper with above-mentioned butterfly tooth pull head has same effect, therefore herein
It repeats no more.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the structural schematic diagram of butterfly tooth pull head provided by the embodiment of the utility model；
Fig. 2 is three-dimensional structure diagram when butterfly tooth provided by the embodiment of the utility model is applied with pull head；
Fig. 3 is front view when butterfly tooth provided by the embodiment of the utility model is applied with pull head.
Specific embodiment
The utility model embodiment provides a kind of butterfly tooth pull head, reduces the cloth slit width degree of pull head two sides, thus
The phenomenon that avoiding the drawing body for causing pull head in spray painting or electroplating process and body drawn mutually to sting, body and pulling-on piece is drawn mutually to sting.
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Please referring to attached drawing 1-3, butterfly tooth pull head provided by the embodiment of the utility model includes upper cover plate 1 and lower cover plate 2,
The first pull head cloth seam is cooperatively formed between upper cover plate 1 and the two sides of lower cover plate 2 and is drawn positioned at the second of the first pull head cloth seam outside
Head cloth seam, and the width L1 of the first pull head cloth seam is greater than the width L2 of the second pull head cloth seam, the first pull head cloth seam is used for and zipper
The empennage 01 of the butterfly teeth of chain is slidably matched, and the second pull head cloth is stitched for being slidably matched with strap 02.
The butterfly tooth of the utility model pull head includes that the first pull head cloth seam and the second pull head cloth stitch, in application, being located at interior
The first pull head cloth seam of side is slidably matched with the empennages 01 of the butterfly teeth of fastener chain, positioned at outside the second pull head cloth seam and
Strap 02 is slidably matched, as Figure 2-3.
Since 02 thickness of strap is less than 01 thickness of empennage, the width L2 that the second pull head cloth positioned at outside stitches is less than second
The width L2 of pull head cloth seam, so the cloth slit width degree of pull head two sides is reduced, so as to avoid in spray painting or electroplating technology
The phenomenon that causing the drawing body of pull head in the process and body is drawn mutually to sting, body and pulling-on piece is drawn mutually to sting, greatly promotes production efficiency, reduces production
Secondary waste product in the process, reduces the loss of material.
New improved pull head, after butterfly tooth fastener chain of arranging in pairs or groups, as Figure 2-3, the first pull head cloth stitches corresponding upper cover
Plate 1,2 position of lower cover plate directly act on the empennage 01 of sprocket, do not contact with strap 02 along sprocket, and pull head cloth seam becomes
Closed state；Second pull head cloth stitches corresponding upper cover plate 1, the face at 2 position of lower cover plate is directly in contact with strap 02.At this point, shape
It is all in contact respectively with the empennage 01 of butterfly tooth, strap 02 at the face of the first pull head cloth seam with the face for forming the second pull head cloth seam
(altogether up and down four positions) will not then form larger gap and card cloth side between pull head and strap 02, while also avoid drawing
Head is engaged in spray painting or electroplating technology.
In order to be further reduced the case where drawing body and body is drawn mutually to sting, body and pulling-on piece is drawn mutually to sting, the width of the second pull head cloth seam
L2 is less than thickness, the thickness of lower cover plate 2 and the pulling-on piece thickness of pull head of upper cover plate 1.The width L2 of second pull head cloth seam may be used also
To be equal to or less than one of upper cover plate 1, lower cover plate 2 and pulling-on piece three.
In order to simplify structure, upper cover plate 1 and lower cover plate 2 are symmetrically disposed on the two sides of the first pull head cloth seam.Upper cover plate 1 is under
2 structure of cover board is identical, easy to process.Upper cover plate 1 can also be different with structure from lower cover plate 2.
On the basis of former pull head width size, outer along pull head makes a circle, and size is widened according to a certain percentage.
After the completion of widening, pull head side forms the second pull head cloth seam between upper cover plate 1, lower cover plate 2,02 thickness of strap≤L2 <
L1 (preferably L2 is equal to 02 thickness of strap), furthermore upper cover plate 1, lower cover plate 2 are respectively formed the face for the one fixed width that spacing is L2,
The face can directly be contacted with zipper cloth belt 02.
Preferably, in above-mentioned pull head, the two sides of upper cover plate 1 and lower cover plate 2 are respectively arranged with step structure, step structure packet
First terrace, second step face and the offset face for connecting First terrace and second step face are included, second step face is parallel to
First terrace, offset face can be contacted perpendicular to First terrace, First terrace with empennage 01, and second step face can be with
Strap 02 contacts.
The utility model respectively the edge on the inside of pull head of above and below upper and lower surfaces of L2 (spacing be) upward
After cover board 1, lower cover plate 2 extend vertically certain length, then horizontal extension is internally carried out, forms step structure, upper cover plate 1 is under
Corresponding two step structures of about 2 cover board are labeled as L1, the thickness of L1 >=empennage 01, the i.e. positive and negative tail of strap 02 apart from maximum
The integral thickness that the wing 01 is formed, L1 are preferably equal to the thickness of empennage 01.
The step structure of above-mentioned shape, it is larger with the contact area of strap 02 and empennage 01, improve the flat of pull head sliding
Stability.Certainly, above-mentioned offset face can also be not orthogonal to First terrace, or be arc joint face.
It should be noted that foregoing description only illustrates the structure of pull head side because pull head is symmetrical structure,
Another side structure is identical and symmetrical.
As Figure 2-3, the utility model embodiment additionally provides a kind of butterfly tooth zipper, including with butterfly teeth
Fastener chain and the butterfly tooth pull head cooperated with fastener chain, which is that any of the above-described embodiment provides with pull head
Butterfly tooth pull head, reduces the cloth slit width degree of pull head two sides, to avoid causing to draw in spray painting or electroplating process
The phenomenon that drawing body and drawing body of head are mutually stung, body and pulling-on piece are drawn mutually to sting, its advantage is that specifically being asked by butterfly tooth pull head bring
With reference to part relevant in above-described embodiment, details are not described herein again.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (7)
1. a kind of butterfly tooth pull head, including upper cover plate (1) and lower cover plate (2), which is characterized in that the upper cover plate (1) and institute
It states and cooperatively forms the first pull head cloth seam and the second pull head positioned at the first pull head cloth seam outside between the two sides of lower cover plate (2)
Cloth seam, and the width L1 of the first pull head cloth seam is greater than the width L2 of the second pull head cloth seam, the first pull head cloth seam
Empennage (01) for the butterfly teeth with fastener chain is slidably matched, and the second pull head cloth seam with strap (02) for sliding
Cooperation.
2. pull head according to claim 1, which is characterized in that the width L2 of the second pull head cloth seam is less than the upper cover
Thickness, the thickness of the lower cover plate (2) and the pulling-on piece thickness of the pull head of plate (1).
3. pull head according to claim 1, which is characterized in that the upper cover plate (1) and the lower cover plate (2) are symmetrical arranged
In the two sides of the first pull head cloth seam.
4. pull head according to claim 1, which is characterized in that the width L1 of the first pull head cloth seam is equal to the empennage
(01) thickness.
5. pull head according to claim 1, which is characterized in that the width L2 of the second pull head cloth seam is equal to the strap
(02) thickness.
6. pull head according to claim 1-5, which is characterized in that the upper cover plate (1) and the lower cover plate (2)
Two sides be respectively arranged with step structure, the step structure includes First terrace, second step face and connection described first
The offset face of step surface and the second step face, the second step face are parallel to the First terrace, the offset face
Perpendicular to the First terrace, the First terrace can be contacted with the empennage (01), and the second step face can
It is contacted with the strap (02).
7. a kind of butterfly tooth zipper is used including the fastener chain with butterfly teeth and with the butterfly tooth of fastener chain cooperation
Pull head, which is characterized in that the butterfly tooth is butterfly tooth pull head as claimed in any one of claims 1 to 6 with pull head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821270720.XU CN209498793U (en) | 2018-08-08 | 2018-08-08 | Butterfly tooth pull head and butterfly tooth zipper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821270720.XU CN209498793U (en) | 2018-08-08 | 2018-08-08 | Butterfly tooth pull head and butterfly tooth zipper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209498793U true CN209498793U (en) | 2019-10-18 |
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ID=68186988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821270720.XU Active CN209498793U (en) | 2018-08-08 | 2018-08-08 | Butterfly tooth pull head and butterfly tooth zipper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209498793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111904110A (en) * | 2020-08-19 | 2020-11-10 | 福建浔兴拉链科技股份有限公司 | Slider, slide fastener, and article with slide fastener |
-
2018
- 2018-08-08 CN CN201821270720.XU patent/CN209498793U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111904110A (en) * | 2020-08-19 | 2020-11-10 | 福建浔兴拉链科技股份有限公司 | Slider, slide fastener, and article with slide fastener |
| WO2022036984A1 (en) * | 2020-08-19 | 2022-02-24 | 福建浔兴拉链科技股份有限公司 | Slider, zipper and article with zipper |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |