CN108720186A - Nylon zipper pull head - Google Patents
Nylon zipper pull head Download PDFInfo
- Publication number
- CN108720186A CN108720186A CN201810791768.3A CN201810791768A CN108720186A CN 108720186 A CN108720186 A CN 108720186A CN 201810791768 A CN201810791768 A CN 201810791768A CN 108720186 A CN108720186 A CN 108720186A
- Authority
- CN
- China
- Prior art keywords
- guide post
- arc boss
- upper panel
- lock pawl
- flat spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- A44B19/30—Sliders with means for locking in position
- A44B19/308—Sliders with means for locking in position in the form of a spring-actuated locking member actuated by the pull member
Landscapes
- Slide Fasteners (AREA)
Abstract
The invention discloses a kind of nylon zipper pull heads, including slider body, flat spring and pulling-on piece, slider body has upper panel, lower panel and the guide post for connecting upper panel and lower panel, flat spring is in reverse U shape shape, with central base, the lock pawl and pendant at centrally located base portion both ends, pulling-on piece one end is grip part, the other end is the shaft with cam, guide post is the hollow structure with inner cavity, upper panel sets the lock pawl hole there are two the arc boss with through-hole and positioned at arc boss rear end, central base is located between two arc boss, pendant is inserted in the inner cavity of guide post, its bottom is fixedly connected with guide post inner wall, lock pawl passes through the lock pawl hole of upper panel, the shaft of pulling-on piece is rotatably installed in the through-hole of arc boss, and between the centrally located base portion of cam and upper panel thereon.The present invention has smooth top surface, and flat spring will not fail due to by external force collision in washing or wearing process.
Description
Technical field
The present invention relates to slide fastener fields, and in particular to a kind of nylon zipper pull head.
Background technology
Slide fastener mainly has three kinds of nylon zipper, resin teeth zipper and metal zip fastener, wherein nylon zipper to use by material differentiation
Traditional pull head, be divided into band self-locking function and without two class of self-locking function.Wherein, without the common pull head of self-locking function, structure
Simply, pulling-on piece is directly hinged on slider body, and the self-locked draught part with self-locking function, such as Chinese patent
CN1179290A discloses a kind of pull head of lock slide fastener comprising slider body, plate-shaped springs and pulling-on piece, slider body have
Upper panel, lower panel and the guide post for connecting upper panel and lower panel, plate-shaped springs have the center of eccentric shaft on hidden pulling-on piece
The fore-end of base portion, the lock pawl of centrally located base portion rear end and small width, the fore-end is from the front end of central base
It is bent downwardly and is fixed in the front surface of slider body guide post between two parties.Pull head is by plate-shaped springs prominent on pull head upper panel
Go out the hidden lid in part, prevent it from scratching other fabrics in dress or rinse cycle, the fore-end of plate-shaped springs passes through guide post
The Anchorage slots of front surface are securely fixed on slider body, prevent the fore-end deformation or damage of plate-shaped springs.
But in above-mentioned pull head, plate-shaped springs pass through opening before and after the combination of front section and guide post, central base respectively
The combination of lug before and after mouth and upper panel positions it, complicated.In addition, plate-shaped springs are higher by slider body,
Its central base can lead to the problem of failure due to by external force collision in washing or wearing process.
Invention content
In view of the deficiencies of the prior art, the present invention provide it is a kind of it is simple in structure, can effectively avoid flat spring by hitting
Nylon zipper pull head.
To achieve the above object, the technical scheme is that：
A kind of nylon zipper pull head, including slider body, flat spring and pulling-on piece, slider body have upper panel, bottom wing
Piece and the guide post for connecting upper panel and lower panel, flat spring are in reverse U shape shape, have central base, centrally located base portion
The pendant of the lock pawl of rear end and centrally located base portion front end, pulling-on piece one end are grip part, and the other end is with cam
Shaft, guide post are the hollow structure with inner cavity, and upper panel sets there are two the arc boss with through-hole and is located at arc boss
The lock pawl hole of rear end, central base are located between two arc boss, and pendant is inserted in the inner cavity of guide post, bottom with
Guide post inner wall is fixedly connected, and lock pawl can lock slide fastener across the lock pawl hole of upper panel, the shaft rotation of pulling-on piece
The centrally located base portion of cam in the through-hole of arc boss, and thereon and between upper panel.
The central base of flat spring is located between two arc boss, and front end pendant is inserted in inside guide post and fixes,
The lock pawl of rear end is inserted in lock pawl hole, it is no longer necessary to design additional locating part in upper panel to position flat spring, it can
Simplify the structure and mounting means of flat spring, meanwhile, flat spring is substantially inside slider body, is realized to the complete of flat spring
Orientation is protected, and will not be failed due to by external force collision in washing or wearing process.
Further, the upper surface of the upper panel is equipped with groove, and the front end of groove is connected with the inner cavity of guide post, rear end
It is connected with lock pawl hole, arc boss is located at the left and right sides of groove, and the central base of flat spring is countersunk in the groove.In this way
The upper surface that can make flat spring is concordant with the upper surface of upper panel even lower, further protects flat spring.
Further, the top end face of the guide post stretches out the upper surface of upper panel, and setting on one side towards arc boss
Jagged, the adjacent arc boss setting in guide post top forms the incorporating section for accommodating flat spring central base.Flat spring top in this way
Central base be completely in the space that guide post and arc boss surround so that the upper surface of flat spring is upper with the incorporating section
Flush is even lower, further protects flat spring.
Compared with prior art, the present invention having the following advantages that：
1, the central base of flat spring is located between two arc boss, and front end pendant is inserted in inside guide post and solid
Fixed, the lock pawl of rear end is inserted in lock pawl hole, and assembled pull head has smooth top surface, will not bump against neighbouring east
On west, and there is smooth good-looking appearance, thus increases commodity value.
2, by arc boss, upper panel groove and be higher by the guide post of upper panel so that flat spring central base
Upper surface will not protrude the upper surface of slider body, meanwhile, the lock pawl and pendant of flat spring are located inside slider body, real
The omnibearing protection to flat spring is showed, will not fail due to by external force collision in washing or wearing process.
Description of the drawings
Fig. 1 is the stereogram of pull head of the present invention；
Fig. 2 is the stereogram exploded view of pull head of the present invention；
Fig. 3 is the front section view of pull head of the present invention；
Reference sign：1- slider bodies；2- flat springs；3- pulling-on pieces；11- upper panels；12- lower panels；13- guide posts；
14- chain tooth guiding grooves；The inner cavities 15-；16- grooves；17- lock pawls hole；18- arc boss；19- through-holes；21- central bases；22-
Lock pawl；23- pendants；31- grip parts；32- shafts；33- cams.
Specific implementation mode
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
As shown in Figure 1 to Figure 3, a kind of nylon zipper pull head, including slider body 1, flat spring 2 and pulling-on piece 3, these portions
Part can pass through punching press and machine add-on type.
Slider body 1 includes upper panel 11, lower panel 12 and guide post 13, and guide post 13 connects upper panel 11 and lower panel 12
Integrally, the chain tooth guiding groove 14 that chain tooth passes through is formed.Guide post 13 is equipped with the inner cavity 15 of upper and lower opening, and end face is higher than upper limb thereon
The upper surface of piece 11.The center of 11 upper surface of upper panel is equipped with groove 16 in the front-back direction, front end and the guide post 13 of groove 16
Inner cavity 15 communicates, and the rear end of groove 16 is equipped with lock pawl hole 17.Simultaneously in 16 back segment of groove close to the left and right two in lock pawl hole 17
Side is set there are two arc boss 18, and for arc boss 18 at semicircle, each arc boss 18 is by two symmetrical a quarters
Arc boss opposing compression is formed, and forms through-hole 19 at the middle part of arc boss 18.Meanwhile guide post 13 stretches out upper panel 11
Top is adjacent with arc boss 18, forms the wall of rounding off, the wall of the rounding off, which surrounds one, can store 2 center of flat spring
The space of base portion 21.
Flat spring 2 is in reverse U shape shape, including central base 21, from the reclinate locking in the rear end of central base 21
Pawl 22 and from the reclinate pendant in the front end of central base 21 23.Lock pawl 22 passes through lock pawl hole 17 on upper panel 11
Chain tooth guiding groove 14 is stretched into, is locked with the chain tooth to nylon zipper.Pendant 23 is inserted in the inner cavity 15 of guide post 13, under
The hang down bottom of part 23 is fixed on by the modes such as squeezing or welding on 13 inner wall of guide post, realizes the positioning to flat spring 2.Central base
Portion 21 is fairing surface, is integrally located in the storage space that guide post 13, groove 16 and arc boss 18 are surrounded, normal
During use, the upper surface of central base 21 is concordantly even lower than the upper surface in the space.This design, on the one hand, pull head
It with smooth top surface, will not bump against on neighbouring thing, and there is smooth good-looking appearance, thus increase commodity valence
Value；On the other hand, flat spring 2 is completely disposed at the inside of slider body 1, realizes the omnibearing protection to flat spring 2, is washing
Or it will not fail due to by external force collision in wearing process.
Pulling-on piece 3 is platy structure, and one end is equipped with grip part 31, and the other end is equipped with shaft 32, and shaft 32 is rotatably installed in two
In the through-hole 19 of a arc boss 18, and between slider body 1 and flat spring 2.Have along pulling-on piece 3 at the middle part of shaft 32
Cam 33 is consequently formed in longitudinally elongated rectangular cross section, and flat spring is acted on by cam 33 when pulling-on piece 3 is in upright posture
2 increase, and so that lock pawl 22 is detached from and are engaged with chain tooth in chain tooth guiding groove 14.
When installation, the shaft 32 of pulling-on piece 3 is placed in the arc boss 18 of opening-like state first, it is then front and back to squeeze
Arc boss 18 closes up, and completes the fixation of pulling-on piece 3 and slider body 1.Then flat spring 2 is placed on the upper surface of cam 33, makes lock
Determine the lock pawl hole 17 that pawl 22 passes through upper panel 11, to make pendant 23 be inserted into the inner cavity 15 of guide post 13, then pass through extruding
Or the bottom of pendant 23 is fixed on the inner wall of guide post 13 by the mode of welding.Thus flat spring 2 is mounted on slider body 1,
Complete pull head assembly.
When pulling-on piece 3 is in upright posture, flat spring 2 increases by the cam 32 of pulling-on piece 3 revolts the elasticity of its own,
Thus lock pawl 22 is made to be retracted from chain tooth guiding groove 14, thus pull head can be free to slide along a pair of of chain tooth.When pulling-on piece 3 is gone back to
When to its horizontal position as shown in Figure 3, lock pawl 22 enters under the elastic force effect of flat spring 2 in chain tooth guiding groove 14, stretches
Enter the gap between chain tooth, thus brakes pull head, if rotation pulling-on piece 3 is placed toward front side, work of the flat spring 2 due to cam 33
With stilling remain in raised posture, thus pull head still can be free to slide in chain tooth.
Above-described embodiment simply to illustrate that the present invention technical concepts and features, it is in the art the purpose is to be to allow
Those of ordinary skill cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all
It is the equivalent changes or modifications made according to the essence of the content of present invention, should all covers within the scope of the present invention.
Claims (3)
1. a kind of nylon zipper pull head, including slider body, flat spring and pulling-on piece, slider body has upper panel, lower panel
And the guide post of connection upper panel and lower panel, flat spring is in reverse U shape shape, after having central base, centrally located base portion
The pendant of the lock pawl at end and centrally located base portion front end, pulling-on piece one end are grip part, and the other end is turning with cam
Axis, it is characterised in that：Guide post is the hollow structure with inner cavity, and upper panel sets there are two the arc boss with through-hole and is located at
The lock pawl hole of arc boss rear end, central base are located between two arc boss, and pendant is inserted in the inner cavity of guide post,
Its bottom is fixedly connected with guide post inner wall, and lock pawl can lock slide fastener across the lock pawl hole of upper panel, pulling-on piece
Shaft is rotatably installed in the through-hole of arc boss, and between the centrally located base portion of cam and upper panel thereon.
2. nylon zipper pull head according to claim 1, it is characterised in that：The upper surface of the upper panel is equipped with recessed
Slot, the front end of groove are connected with the inner cavity of guide post, and rear end is connected with lock pawl hole, and arc boss is located at the left and right sides of groove,
The central base of flat spring is countersunk in the groove.
3. nylon zipper pull head according to claim 1, it is characterised in that：The top end face of the guide post stretches out upper limb
The upper surface of piece, and it is equipped with notch towards the one side of arc boss, the adjacent arc boss setting in guide post top forms accommodates plate bullet
The incorporating section of spring central base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810791768.3A CN108720186A (en) | 2018-07-18 | 2018-07-18 | Nylon zipper pull head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810791768.3A CN108720186A (en) | 2018-07-18 | 2018-07-18 | Nylon zipper pull head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108720186A true CN108720186A (en) | 2018-11-02 |
Family
ID=63926580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810791768.3A Pending CN108720186A (en) | 2018-07-18 | 2018-07-18 | Nylon zipper pull head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108720186A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1179290A (en) * | 1996-09-30 | 1998-04-22 | Ykk株式会社 | Auto-lock slide fastener slider |
| US20020152591A1 (en) * | 2001-04-23 | 2002-10-24 | Ykk Corporation | Slider for slide fastener with locking device |
| CN106923454A (en) * | 2017-04-20 | 2017-07-07 | 理想（广东）拉链实业有限公司 | A kind of bow-shaped shrapnel resilience pull head |
| CN209660598U (en) * | 2018-07-18 | 2019-11-22 | 广东海华拉链有限公司 | Nylon zipper pull head |
-
2018
- 2018-07-18 CN CN201810791768.3A patent/CN108720186A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1179290A (en) * | 1996-09-30 | 1998-04-22 | Ykk株式会社 | Auto-lock slide fastener slider |
| US20020152591A1 (en) * | 2001-04-23 | 2002-10-24 | Ykk Corporation | Slider for slide fastener with locking device |
| CN1382406A (en) * | 2001-04-23 | 2002-12-04 | Ykk株式会社 | Slider with locking device for zipper |
| CN106923454A (en) * | 2017-04-20 | 2017-07-07 | 理想（广东）拉链实业有限公司 | A kind of bow-shaped shrapnel resilience pull head |
| CN209660598U (en) * | 2018-07-18 | 2019-11-22 | 广东海华拉链有限公司 | Nylon zipper pull head |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |