CN209547160U - A kind of automatic head of activity nut cap - Google Patents
A kind of automatic head of activity nut cap Download PDFInfo
- Publication number
- CN209547160U CN209547160U CN201821768622.9U CN201821768622U CN209547160U CN 209547160 U CN209547160 U CN 209547160U CN 201821768622 U CN201821768622 U CN 201821768622U CN 209547160 U CN209547160 U CN 209547160U
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- CN
- China
- Prior art keywords
- nut cap
- protrusions
- lock pawl
- upper panel
- hole
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Abstract
The utility model discloses a kind of automatic heads of activity nut cap, including slider body, nut cap and pulling-on piece, the front of upper panel is equipped with preceding protrusions, rear portion is equipped with rear protrusions, the trailing flank top of protrusions is equipped with the boss to extend back afterwards, the leading flank bottom of protrusions extends to form forward inclined-plane afterwards, the front end of nut cap and preceding protrusions are hinged, rear end is equipped with the opening being meshed with boss and the lock pawl extended downwardly, upper panel is additionally provided with lock pawl hole, the lock pawl hole that lock pawl passes through upper panel carries out monodirectional locking to zipper, one end of pulling-on piece is grip part, the other end is clamped between the preceding protrusions of upper panel and rear protrusions by nut cap, it further include the elastic component to apply down force to lock pawl, elastic component is arranged between upper panel and nut cap.The utility model has the advantages that structure simple, good appearance, easy to use.
Description
Technical field
The utility model relates to zipper fields, and in particular to a kind of automatic head of activity nut cap.
Background technique
Zipper is mounted to the opening portion of clothes, and separates or engage zipper chain by the slide of pull head
Item, so that zipper opens or closes, it is general using the pull head with locking mechanism in order to separate chain when not needed.
Japanese Utility Model announces clear 54-43841 and discloses a kind of lock slide fastener pull head comprising slider body, elastic slice and pulling-on piece,
The elastic slice has central base, the lock pawl of centrally located base portion rear end and the front end of small width of eccentric shaft on hidden pulling-on piece
Part, the front end portion are bent downwardly between two parties from the rear end of central base and are fixed in the front surface of slider body guide post.It should
The opposite sides of the front end portion of elastic slice central base has a pair of of shoulder, which is engaged a pair of convex in a manner of pivotally supported
For two supporting points of slider body upper panel, the rear end of the central base of the elastic slice has opening, and the edge of the opening can
It is engaged with the engagement lugs being located on upper panel.In this way, by the effect of the eccentric shaft on pulling-on piece, so that the lock pawl on elastic slice
Fastener chain can be engaged and disengaged in response to rotation of the pulling-on piece between horizontal attitude and upright posture.
But in above-mentioned pull head, plate-shaped springs pass through opening before and after the combination of front end portion and guide post, central base respectively
The combination of lug before and after mouth and upper panel positions it, and structure is complicated.In addition, the pull head of the structure is Bidirectional locking,
When only pulling-on piece is in upright posture, pull head can be slided along chain, and there are inconvenient problems with use.
Utility model content
In view of the deficiencies of the prior art, the utility model provide a kind of structure it is simple, can monodirectional locking activity nut cap from
Dynamic head, pull head can be moved freely along the direction of closed zipper, so as to easily closed zipper, while again be not in pull head
Automatic the case where falling back to open zipper.
To achieve the above object, the technical solution of the utility model are as follows:
A kind of automatic head of activity nut cap, including slider body, nut cap and pulling-on piece, slider body have upper panel, lower panel
And the guide post of connection upper panel and lower panel, the front of upper panel are equipped with preceding protrusions, rear portion is equipped with rear protrusions, rear projection
The trailing flank top of part is equipped with the boss to extend back, and the leading flank bottom of rear protrusions extends to form forward inclined-plane, nut cap
Front end and preceding protrusions are hinged, and rear end is equipped with the opening being meshed with boss and the lock pawl extended downwardly, upper panel are also set
There is lock pawl hole, the lock pawl hole that lock pawl passes through upper panel carries out monodirectional locking to zipper, makes slider body can only be along zipper
It travels forward with closed zipper, one end of pulling-on piece is grip part, and the other end is clamped in the preceding protrusions of upper panel with after by nut cap
Between protrusions, and it can be slided along inclined-plane and lock pawl is lifted up to release the locking to zipper, further include to lock
Determine the elastic component that pawl applies down force, elastic component is arranged between upper panel and nut cap.
First one end of pulling-on piece is placed between the preceding protrusions of upper panel and rear protrusions, then by the opening sleeve of nut cap rear end
On the boss of rear protrusions, finally by nut cap front end elastic hinge joint in preceding protrusions, the assembling of entire pull head can be completed,
Its structure is simple, easy to assembly；Lock pawl has the function of monodirectional locking, usually under the action of the elastic member, protrudes into upper panel
To lock slide fastener coupling element in chain tooth guiding groove between upper panel, pull head can be along zipper closing direction (i.e. slider body at this time
Front) it is unidirectional mobile, but can not be moved along zipper opening direction, the monodirectional locking function, so that in closed zipper, lock
Determine pawl do not have to exit chain tooth guiding groove, pulling-on piece can arbitrarily be put, and will not automatic backing, only when opening zipper, just need
By pulling-on piece to rear haulage, lock pawl is made to exit chain tooth guiding groove, it is easy to use.
Further, the trailing flank of the lock pawl is vertical plane, and leading flank is the step inclined plane of rounding off, and two
Person constitutes sharp clevis angle in bottom.Step inclined plane can make lock pawl along chain tooth forward direction sliding it is more smooth, and convenient for
On lift nut cap, vertical plane can then prevent lock pawl from sliding backward along chain tooth, to realize monodirectional locking.
Further, the preceding protrusions are equipped with hinge hole, and the nut cap two sides are equipped with supported hole, and a pin is worn
It crosses before nut cap is hinged on by supported hole and hinge hole in protrusions, the elastic component is the torsional spring being arranged on pin.
Further, the preceding protrusions are equipped with hinge hole, and the nut cap two sides are equipped with the protrusion inwardly stretched out,
Protrusion snaps onto hinge hole and nut cap is hinged in preceding protrusions, and the elastic component is spring, and the upper panel is located at
Accepting hole is offered in front of preceding protrusions, the corresponding guide post of accepting hole is arranged and is extending vertically into guide post, spring
One end is placed in the bottom of accepting hole, and the other end stretches out accepting hole and is resisted against the lower end surface of nut cap.It does not use pin to fix, pacifies
When dress, when nut cap being directly clamped among in preceding protrusions, and being dismantled, nut cap need to be only agitated to side, is dismounted more square
Just.
Further, the nut cap is covered in the preceding protrusions and rear protrusions, the lock pawl hole location
In the two sides of rear protrusions.It is designed in this way, nut cap can cover all the protrusion and hole slot of upper panel, to promote entire pull head
Good appearance degree.
The utility model compared with prior art, has the advantages that
1, lock pawl has the function of monodirectional locking, can be along zipper closing direction (i.e. when between the chain tooth that it is caught in zipper
In front of slider body) it is mobile, while can not retreat again, so that lock pawl does not have to exit chain tooth guidance in closed zipper
Slot, pulling-on piece can arbitrarily be put, and only when opening zipper, just need to make lock pawl exit chain tooth guidance to rear haulage pulling-on piece
Slot, it is easy to use.
2, nut cap can be directly fastened on upper panel, easy for installation, and it is (prominent that nut cap covers all the structural member on upper panel
Stretch part and pawl hole), structure is beautiful.
Detailed description of the invention
Fig. 1 is the perspective view of the automatic head of the utility model activity nut cap；
Fig. 2 is the stereogram exploded view of the automatic head of the utility model activity nut cap；
Fig. 3 is the three-dimensional cutaway view of the utility model nut cap；
Fig. 4 is the front section view of the automatic head of the utility model activity nut cap；
Description of symbols: 1- slider body；2- nut cap；3- pulling-on piece；4- spring；11- upper panel；12- lower panel；13-
Guide post；14- chain tooth guiding groove；Protrusions before 15-；Protrusions after 16-；17- lock pawl hole；18- accepting hole；21- opening；22-
Lock pawl；23- protrusion；31- grip part；The rotation section 32-；151- hinge hole；161- boss；The inclined-plane 162-.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
As shown in Figures 1 to 4, a kind of automatic head of activity nut cap, including slider body 1, nut cap 2 and pulling-on piece 3, these components
Casting, punching press and machine add-on type can be passed through.
Slider body 1 includes upper panel 11, lower panel 12 and guide post 13, before being with 13 direction of guide post, slider body 1
When being moved to the direction, can closed zipper, it is on the contrary then open zipper.Upper panel 11 and lower panel 12 are connected into one by guide post 13
Body forms the chain tooth guiding groove 14 passed through for slide fastener coupling element.The front of upper panel 11 is equipped with preceding protrusions 15, and rear portion is equipped with processus aboralis
Part 16 is stretched, the front that upper panel 11 is located at preceding protrusions 15 offers accepting hole 18, and the corresponding guide post 13 of accepting hole 18 is arranged and erects
It directly extends in guide post 13, the two sides that upper panel 11 is located at rear protrusions 16 are equipped with the lock pawl hole 17 of groove-like.Preceding protrusions
15 are equipped with hinge hole 151, and the trailing flank top of rear protrusions 16 is equipped with the boss 161 to extend back, before rear protrusions 16
Side bottom extends to form forward inclined-plane 162.
Nut cap 2 is the rectangular frame structure of bottom opening, including top surface and four sides, and nut cap 2 and slider body 1 move
The front of two parallel sides of direction is equipped with the protrusion 23 inwardly stretched out, and rear portion is equipped with the lock pawl 22 extended downwardly.Locking
The lock pawl hole 17 that pawl 22 passes through upper panel 11 extend into chain tooth guiding groove 14, carries out monodirectional locking with the chain tooth to zipper.It is prominent
23 151 both ends of hinge hole in protrusions 15 before snapping onto are played, in this way, nut cap 2 can be around hinge hole 151 certain
Range swing up and down.In order to make lock pawl 22 be able to maintain the locking effect to chain tooth, in 2 front end of nut cap and upper panel 11
Between be equipped with spring 4, one end of spring 4 is placed in the bottom of accepting hole 18, and the other end stretches out accepting hole 18 and is simultaneously resisted against nut cap 2
Lower end surface, spring 4 is configured to compressive state, to apply a upward active force always to 2 front end of nut cap, and then to lid
The lock pawl 22 of 2 rear side of cap applies a down force to realize the locking to chain tooth.It is swung up and down to limit nut cap 2
Range, preventing nut cap 2, excessively overturning causes nut cap 2 to fall off upwards, and prevents the downward excessively overturning of nut cap 2 from leading to lock pawl 22
Damage chain tooth, 2 trailing flank of nut cap be equipped with an opening 21 matched with boss 161, by be open 21 upper and lower end faces with it is convex
The hunting range of the conflict limitation nut cap 2 of platform 161.In order to realize the monodirectional locking effect of lock pawl 22, i.e., lock pawl 22 is caught in
When between chain tooth, slider body 1 can also travel forward with closed zipper, and 22 trailing flank of lock pawl is vertical plane, leading flank
For the step inclined plane of rounding off, and the two constitutes sharp clevis angle in bottom, and step inclined plane can make lock pawl 22 transport forward
It when dynamic, can smoothly deviate from between chain tooth, even if encounter Caton, can also smoothly be taken off by being lifted up nut cap 2 and realizing
Out, in turn, the sharp clevis angle of vertical plane and bottom then can prevent lock pawl 22 from sliding backward along chain tooth, to realize one-way lock
It is fixed.
Pulling-on piece 3 is plate structure, and one end is grip part 31, and the other end is rotation section 32, and rotation section 32 is located at upper panel 11
Preceding protrusions 15 and rear protrusions 16 between, and be clamped between nut cap 2 and upper panel 11, the bottom surface at 2 middle part of nut cap
There are certain gap between upper panel 11, the process that rotation section 32 is freely rotated, and is pullled backward in pulling-on piece 3
In, rotation section 32 can be lifted up nut cap 2 under the guiding role on inclined-plane 162 to locking of the unlock pawl 22 to chain tooth,
And then open zipper.
When installation, first by the rotation section 32 of pulling-on piece 3 be placed on upper panel 11 preceding protrusions 15 and rear protrusions 16 it
Between, spring 4 is placed in accepting hole 18, then by 21 sets of opening of 2 rear end of nut cap on the boss 161 of rear protrusions 16, and
Rear protrusions 16, preceding protrusions 15 and spring 4 are covered all, 2 front end of nut cap is finally pressed downward, makes two protrusions of nut cap 2
23 snap onto the hinge hole 151 of preceding protrusions 15, and the assembling of entire pull head can be completed, and entire assembling process is quite convenient,
Equally, when dismantling, two sides that need to only pry open nut cap 2 outward can make protrusion 23 be detached from hinge hole 151.
In use, pulling-on piece 3 is located in addition to any position after horizontal direction, it can pull slider body 1 forward with closure
Zipper, and after unclamping pulling-on piece 3, slider body 1 will not automatic backing open zipper, and when opening zipper, need to only lead backward
Be pulled piece 3, and lock pawl 22 can be made to exit chain tooth guiding groove, so that slider body 1 be driven to open zipper backward.
For above-described embodiment simply to illustrate that the technical ideas and features of the present invention, its purpose is allows this field
Interior those of ordinary skill can understand the content of the utility model and implement accordingly, can not limit the utility model with this
Protection scope.The equivalent changes or modifications that all essence according to the content of the present invention is made, should all cover in this reality
With in novel protection scope.
Claims (5)
1. a kind of automatic head of activity nut cap, including slider body, nut cap and pulling-on piece, slider body have upper panel, lower panel with
And the guide post of connection upper panel and lower panel, it is characterised in that: the front of upper panel is equipped with preceding protrusions, and rear portion is equipped with rear projection
Part, the trailing flank top of rear protrusions are equipped with the boss to extend back, and the leading flank bottom of rear protrusions extends to form forward tiltedly
Face, the front end of nut cap and preceding protrusions are hinged, and rear end is equipped with the opening being meshed with boss and the lock pawl extended downwardly, on
Fin is additionally provided with lock pawl hole, and the lock pawl hole that lock pawl passes through upper panel carries out monodirectional locking to zipper, makes slider body only
It can travel forward along zipper with closed zipper, one end of pulling-on piece is grip part, and the other end is dashed forward before being clamped in upper panel by nut cap
It stretches between part and rear protrusions, and can be slided along inclined-plane and lock pawl is lifted up to release the locking to zipper, further include
To apply the elastic component of down force to lock pawl, elastic component is arranged between upper panel and nut cap.
2. a kind of automatic head of activity nut cap according to claim 1, it is characterised in that: the trailing flank of the lock pawl is
Vertical plane, leading flank is the step inclined plane of rounding off, and the two constitutes sharp clevis angle in bottom.
3. a kind of automatic head of activity nut cap according to claim 2, it is characterised in that: the preceding protrusions are equipped with hinge
Hole is connect, the nut cap two sides are equipped with supported hole, and a pin passes through before nut cap is hinged on by supported hole and hinge hole in protrusions,
The elastic component is the torsional spring being arranged on pin.
4. a kind of automatic head of activity nut cap according to claim 2, it is characterised in that: the preceding protrusions are equipped with hinge
Hole is connect, the nut cap two sides are equipped with the protrusion inwardly stretched out, and protrusion snaps onto hinge hole nut cap being hinged on preceding protrusions
On, the elastic component is spring, and the upper panel, which is located in front of preceding protrusions, offers accepting hole, and accepting hole corresponds to institute
The guide post stated is arranged and is extending vertically into guide post, and one end of spring is placed in the bottom of accepting hole, and the other end stretches out accepting hole
And it is resisted against the lower end surface of nut cap.
5. a kind of automatic head of activity nut cap according to claim 1 to 4, it is characterised in that: the nut cap is covered on
In the preceding protrusions and rear protrusions, the lock pawl hole is located at the two sides that processus aboralis stretches part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821768622.9U CN209547160U (en) | 2018-10-29 | 2018-10-29 | A kind of automatic head of activity nut cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821768622.9U CN209547160U (en) | 2018-10-29 | 2018-10-29 | A kind of automatic head of activity nut cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209547160U true CN209547160U (en) | 2019-10-29 |
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ID=68299255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821768622.9U Active CN209547160U (en) | 2018-10-29 | 2018-10-29 | A kind of automatic head of activity nut cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209547160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109602126A (en) * | 2018-10-29 | 2019-04-12 | 广东海华拉链有限公司 | A kind of automatic head of activity nut cap |
-
2018
- 2018-10-29 CN CN201821768622.9U patent/CN209547160U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109602126A (en) * | 2018-10-29 | 2019-04-12 | 广东海华拉链有限公司 | A kind of automatic head of activity nut cap |
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| GR01 | Patent grant |