CN2361130Y

CN2361130Y - Structure for stopping movement of fastener slider at the end

Info

Publication number: CN2361130Y
Application number: CN 99201420
Authority: CN
Inventors: 罗旺寿
Original assignee: DASHUN SLIDE FASTENER FACTORY Co Ltd
Current assignee: DASHUN SLIDE FASTENER FACTORY Co Ltd
Priority date: 1999-02-04
Filing date: 1999-02-04
Publication date: 2000-02-02
Anticipated expiration: 2009-02-04

Abstract

The utility model relates to a bottom stopper structure of a slide fastener, which is that two slide fastener tapes are simultaneously injected and molded with a plurality of slide fastener teeth and a first and a second bottom stoppers, the corresponding inner side edges of the first and the second bottom stoppers are respectively provided with a fastening hook and a fastening hole which form a right angle shape and can be mutually fastened, the height of the second bottom stopper is smaller than that of the first bottom stopper, and the second bottom stopper can be fastened at the middle position of the first bottom stopper and can not be projected out of the top face and the bottom face of the first bottom stopper; meanwhile, the top face of the first bottom stopper forms a horizontal straight line shape, and the inner side position which deviates from the central line of the slide fastener is provided with a concave part; when a breaking and separating wedge of a slide fastener slider is abutted on the horizontal top face of the first bottom stopper near the concave part, a downwards perpendicular component force and a horizontal component force which is inwards contracted are exerted on the first bottom stopper, the first and the second bottom stopper can be more tightly fastened, and the utility model can effectively avoid that the slide fastener slider is abnormally disengaged from the slide fastener teeth.

Description

The following structure that ends of slide fastener

The utility model system is about a kind of following structure that ends of slide fastener, particularly about a kind of prevent the unexpected slippage of pull head and with the following structure that ends of zipper sprocket global formation.

Slide fastener be as dividing into two types of open end zipper and closed-end zippers with purposes, wherein, the most normal front part of a Chinese robe or jacket that is used in clothes of open end zipper, closed-end zipper then is widely used in suitcase, suitcase etc.

Commonly use the common one end of closed-end zipper and be closed, the other end then spurs via the different directions of slider of zipper fastener, to implement the operation of folding slide fastener; Wherein this blind end system uses and ends structure, prevents unexpected this blind end of slippage of slider of zipper fastener.

Tradition is ended structure system down and is used the punch forming of metal lenticular wire, and after it must close tooth at the chain belt of both sides sprocket, processing began, and must possess press machine and prepare strip material in addition, cause the very big puzzlement in the processing operation, and then cause production capacity to reduce, and defectives such as manufacturing cost raising.In addition, metal ends down as when being applied to the plastic cement slide fastener, metal end down and chain between often cause the aberration problem, influence the integrated beauty perception of plastic cement slide fastener.

For solving the defective of ending under the above-mentioned metal, industry has been developed a kind of at present and the plastic cement sprocket utilizes the plastic cement of same group of ejection shaping die while ejection formation to end structure down,

This kind commonly used under the plastic cement structure that ends, and shown in Figure 1A, it is located on the two

deflection chain belts

21,22 that equidistantly are provided with sprocket 23, and this slide fastener ends 20 down and comprises first time and end member 25 and end member 26 second time.Wherein end member 25 for this first time and be with injection molding method and take shape in wherein deflection chain belt 21 among above-mentioned two deflection chain belts, end member 25 this first time and have at least one first buckling parts 27, this first buckling parts 27 has: two fasten

pincers

29,30, these two

fastenings pincers

29,30 are to end member 25 from above-mentioned first time to extend, and between these two

fastenings pincers

29,30, form fastening breach 37 and fasten space 31, this fastening space 31 is to take shape in above-mentioned two

fastening pincers

29,30 recessed spaces that surrounded; End member 26 for this second time and be with injection molding method take shape in above-mentioned two deflection chain belts in an other deflection chain belt 22, end member this second time and have at least one second buckling parts 32, this second buckling parts 32 must fasten mutually with first buckling parts 27 that ends member 25 for above-mentioned first time, this second buckling parts 32 has one and fastens neck 33 and and fasten yoke 34, and this fastenings neck 33 is that rank is closed in above-mentioned first time only in the fastening breach 37 of member 25; This fastens yoke 34 and extends from above-mentioned fastening neck 33, and this fastenings yoke 34 is to be fastened on above-mentioned first time only in the fastening space 31 of member 25.This is located on two

deflection chain belts

21,22 first and second respectively and ends down

member

25,26, lie in moulding after, upwards slip over by the below by slider of zipper fastener 24, force first and second to

end member

25,26 down and fasten mutually; And after first and second ended

member

25,26 mutual fastenings down, broken minute wedge 41 in its slider of zipper fastener 24 that should be able to effectively prevent to be spurred from top to bottom separated.

Only this type of slips over only commonly using plastic cement under of forcing that it fastens mutually from bottom to top by slider of zipper fastener, because it is at structure and design is not good in shape, make it be difficult to effectively prevent that slider of zipper fastener from skidding off this plastic cement that has fastened of disengaging from top to bottom and ending down, only completely lose the basic demand that it ends down as slide fastener under this plastic cement and make.End structure disappearance in design under the plastic cement about commonly using, include:

1. it ends 20 for convenient slider of zipper fastener 24 slips under the plastic cement from bottom to top, after urgent its fastens mutually, slip in the sprocket district 23, therefore be provided with one at first and second following only

member

25,26 and dodge space 38, make it when slider of zipper fastener 24 slips into from bottom to top, by slider of zipper fastener 24 force this first and second end down

member

25,26 in bottom away from sprocket 23, approached mutually and temporarily reduced under the whole slide fastener part width that ends 20 bottoms, so that can successfully being crossed from bottom to top under the slide fastener, slider of zipper fastener 24 ends 20, after urgent its fastens mutually, enter sprocket district 23.This dodges the design in space 38, ends 20 though can convenient slider of zipper fastener 24 cross from bottom to top under the slide fastener, and comparatively speaking, it also strengthens the broken broken minute active force that divides wedge 41 in the slider of zipper fastener 24, causes commonly using ending 20 easy its reasons of function only down of forfeiture the plastic cement slide fastener under.See also Figure 1B, end under this slide fastener under 20 normal operation that fastened, when the user spurs slider of zipper fastener 24 downwards with a bigger active force, since slide fastener end down 20 first and second end member 25 down, 26 are provided with one and dodge space 38, cause this first and second end down

member

25,26 easily by the two side walls 42 of narrower bottom in the slider of zipper fastener 24,43 oppress, and be shown in Figure 1B, to tilt and the state of slight separation laterally, this inclination released state will continue to spur slider of zipper fastener 24 downwards with the user, and be extended to state shown in Fig. 1 C gradually, at this moment, broken minute 41 of wedges contact at first and second separated following member 25 that ends, on the position of center line in 26 spaces, because the broken broken branch effect that divides wedge 41, make first and second end member 25 down, 26 by normal buckling state mutually, be divided into the unusual state that is separated from each other or by the thinner or more fragile position fracture of its fastening component by broken, cause this with only losing the serious disappearance that it ends down effect under the plastic cement, more can't be up to state standards or the strength test standard of international norm.

2. this first and second following end face that ends

member

25,26 all is circular-arc, when conflict in the broken branch of slider of zipper fastener wedge 41 and this circular arc inclined-plane, a downward vertical stress component and an outside horizontal component will be produced, when the user spurred slider of zipper fastener 24 downwards with a bigger active force, this outside horizontal component also was to cause first and second to

end member

25,26 down to be divided wedge 41 broken another key factors that are divided into unusual released state or fracture by broken.

This case creator ends every shortcoming that structure is derived in view of commonly using under the plastic cement of above-mentioned slide fastener, is that the utmost point is thought improve innovation, and after concentrating on studies through taking great pains to attain one's goal for many years, and successfully research and development are finished the following of this slide fastener and only constructed finally.

The purpose of this utility model promptly is to provide a kind of following structure that ends of slide fastener, and it uses identical material with sprocket, and utilizes same group of ejection shaping die while ejection formation on two chain belts; This integrated slide fastener ends down after fastening mutually, and broken minute wedge in the slider of zipper fastener that can effectively prevent to be spurred from top to bottom separates, and forms permanent fastening effect, avoids slider of zipper fastener to break away from sprocket unusually.

The purpose of this utility model is to realize like this, a kind of following structure that ends of slide fastener, lie on two chain belts and a plurality of equidistant staggered sprockets, first and second ends moulding simultaneously down, the relative inner limit of ending under this first and second is respectively equipped with the button hole and the clasp that can fasten mutually, first and second outer side edges of ending down then is provided with open slot, and it can be sandwiched on this both sides chain belt by embedding respectively; It is characterized in that: this clasp and button hole are tied to form the rectangular shaped that cooperatively interacts, and the height that second time of being provided with this clasp ends is less than the height that ends for first time that is provided with this button hole, make and only be fastened on the centre position of ending for this first time this second time, and do not protrude in the end face and the bottom surface of ending for this first time, simultaneously, the end face that ends for this first time is the linearity of level, and one recess is set in the inner side that departs from the slide fastener center line, when slider of zipper fastener was pulled to a lower dead center downwards, its broken wedge system that divides contacted on the horizontal plane that ends contiguous this recess of end face for this first time.

The purpose of this utility model also can realize by following measure, can be provided with one in the described button hole that ends for first time and fasten rib, and the clasp that ends for second time then can be provided with a buckling groove that cooperatively interacts with this fastenings rib, and this fastening rib embedding is fastened in this buckling groove.Described this fastening rib system is separated the both sides that are arranged at this button hole, and this fastening rib is a unibody construction, and is set at the middle position of this button hole.

Operation principle of the present utility model and effect thereof are; Because this clasp and button hole are tied to form the rectangular shaped that cooperatively interacts, and the height that ends for second time is less than the height that ends for first time, make and only be fastened on the centre position of ending for this first time second time, and do not protrude in the end face and the bottom surface of ending for this first time, simultaneously, the end face that ends for this first time is the linearity of level, and one recess is set in the inner side that departs from the slide fastener center line, when making slider of zipper fastener be pulled to lower dead center downwards by brute force, its broken wedge system that divides contacts on the horizontal plane that ends contiguous this recess of end face for first time, order is broken divide wedge apply one downward vertically the horizontal component of component and slightly inside bunching end in this first time, when the user past more drop-down, end fastening more, can effectively avoid slider of zipper fastener to break away from sprocket unusually for twice.

In sum, the following structure that ends of slide fastener provided by the utility model, after fastening mutually, broken minute wedge in the slider of zipper fastener that can effectively prevent to be spurred from top to bottom separates, and forms permanent fastening effect, avoids slider of zipper fastener to break away from sprocket unusually; The change of this external form structure is with intensity own, and reaches the purpose of brake backstop, and through the actual test result of pilot sample, proving effect is splendid, and its test intensity far surpasses the requirement of national standard and international norm.

Brief description of drawingsfig

Figure 1A commonly uses to end the broken micromotion schematic diagram that breaks away from that divides of slider of zipper fastener pulled down under the slide fastener plastic cement;

Figure 1B commonly uses to end the broken micromotion schematic diagram that breaks away from that divides of slider of zipper fastener pulled down under the slide fastener plastic cement;

Fig. 1 C commonly uses to end the broken micromotion schematic diagram that breaks away from that divides of slider of zipper fastener pulled down under the slide fastener plastic cement;

Fig. 2 is for only constructing the three-dimensional view of first embodiment under this case slide fastener;

Fig. 3 is for only constructing the plan view of first embodiment under this case slide fastener;

Fig. 4 is for only constructing the action schematic diagram of first embodiment when bearing slider of zipper fastener and exert pressure under this case slide fastener downwards;

Fig. 4 A is an A zoomed-in view partly among the 4th figure;

Fig. 5 is for only constructing the plan view of second embodiment under this case slide fastener;

Fig. 6 is for only constructing the action schematic diagram of second embodiment when bearing slider of zipper fastener and exert pressure under this case slide fastener downwards;

Fig. 6 A is an A zoomed-in view partly among the 6th figure.

Major part

conventional letter

50,51

chain belts

52,53

sprockets

54,55 both sides are ended 56 button holes, 57 clasps, 58,59 open slots, 60 slider of zipper fasteners 61 down and are fastened the rib 62 buckling grooves 63 end faces 64 recesses 65 broken wedges that divide

It is as follows to describe the utility model in detail below in conjunction with embodiment and accompanying drawing thereof;

Please consult Fig. 2 and Fig. 3 simultaneously, slide fastener provided by the utility model ends structure down, main system utilizes plastic rubber ejection shaping apparatus, and on two

chain belts

50,51 with a plurality of equidistant staggered

sprockets

52,53, the both sides of moulding simultaneously end 54,55 down, the relative inner limit that end down these both sides is respectively equipped with the button hole 56 and the clasp 57 that can fasten mutually, and the outer side edges that end down both sides then is provided with

open slot

58,59, and it can be sandwiched on the both

sides chain belt

50,51 by the ejection formation embedding.

Group can be utilized slider of zipper fastener 60 to slip over from bottom to top under these both sides and

end

54,55 immediately, forces clasp 57 to embed and is fastened on button hole 56 inside, makes under the both sides and only 54,55 hooks together into inseparable group of upright state each other; 60 of this slider of zipper fasteners enter two 52,53 of sprockets of row, use separately or * closes two row's

sprockets

52,53.

In addition, for preventing to

end

54,55 under the both sides after hooking together mutually, aforementioned both sides are ended down 54,55 and are staggered and break away from along the direction perpendicular to this both

sides chain belt

50,51, can be further end being provided with one in 54 the button hole 56 and fastening rib 61 under a side, opposite side ends 55 clasp 57 down and then is provided with a buckling groove 62 that cooperatively interacts with this fastening rib 61; When both sides end down 54,55 hooked together mutually after, fasten rib 61 and just be embedded into and be fastened in this buckling groove 62, thereby possess to have and only prevent that 54,55 stagger and the function that breaks away from vertical direction the both sides under.To first embodiment shown in Figure 4, this fastening rib 61 is to be separated the both sides that are arranged at button hole 56 at Fig. 2; And in the Fig. 5 and second embodiment shown in Figure 6, this fastening rib 61 only is a unibody construction, and is set at the middle position of this button hole 56.

As Fig. 4, Fig. 4 A, shown in Fig. 6 and Fig. 6 A, the main improvement of this case partly system comprises: this clasp 57 and button hole 56 are tied to form the rectangular shaped that cooperatively interacts, and be provided with and end 55 height second time of clasp 57 and end 54 height less than first time that is provided with button hole 56, make and end 55 for second time and be fastened on and end 54 centre position for this first time, do not end 54 end face and bottom surface for this first time and do not protrude in, simultaneously, end the linearity that 54 end face 63 is level for this first time, and one recess 64 is set in the inner side that departs from the slide fastener center line, when making slider of zipper fastener 60 be pulled to lower dead center downwards by brute force, its broken wedge 65 that divides is to contact on the horizontal plane that ends end face 63 contiguous these recesses 64 for first time, order is broken divide wedge 65 be apply one downward vertically the horizontal component of component and slightly inside bunching end on 54 in this first time, when the user past more drop-down, end 54 twice, the slider of zipper fastener 60 unusual sprockets 52 that break away from can be effectively avoided in 55 fastenings more, 53.

The following structure that ends of slide fastener provided by the utility model, after fastening mutually, broken minute wedge in the slider of zipper fastener that can effectively prevent to be spurred from top to bottom separates, and forms permanent fastening effect, avoids slider of zipper fastener to break away from sprocket unusually; The change of this external form structure is with intensity own, and reaches the purpose of brake backstop, and through the actual test result of pilot sample, proving effect is splendid, and its test intensity far surpasses the requirement of national standard and international norm.

Above-listed detailed description system specifies at possible embodiments of the present utility model, but this embodiment is not in order to restriction the utility model.

Claims

1. following the ending of a slide fastener constructs, lie on two chain belts and a plurality of equidistant staggered sprockets, first and second ends moulding simultaneously down, the relative inner limit of ending under this first and second is respectively equipped with the button hole and the clasp that can fasten mutually, first and second outer side edges of ending down then is provided with open slot, and it can be sandwiched on this both sides chain belt by embedding respectively; It is characterized in that: this clasp and button hole are tied to form the rectangular shaped that cooperatively interacts, and the height that second time of being provided with this clasp ends is less than the height that ends for first time that is provided with this button hole, make and only be fastened on the centre position of ending for this first time this second time, and do not protrude in the end face and the bottom surface of ending for this first time, simultaneously, the end face that ends for this first time is the linearity of level, and one recess is set in the inner side that departs from the slide fastener center line, when slider of zipper fastener was pulled to a lower dead center downwards, its broken wedge system that divides contacted on the horizontal plane that ends contiguous this recess of end face for this first time.

2. following the ending of a kind of slide fastener according to claim 1 constructs, it is characterized in that, can be provided with one in the described button hole that ends for first time and fasten rib, the clasp that ends for second time then can be provided with a buckling groove that cooperatively interacts with this fastenings rib, and this fastening rib embedding is fastened in this buckling groove.

3. the following structure that ends of a kind of slide fastener according to claim 1 is characterized in that, described this fastening rib system is separated the both sides that are arranged at this button hole.

4. the following structure that ends of a kind of slide fastener according to claim 1 is characterized in that described this fastening rib is a unibody construction, and is set at the middle position of this button hole.