CN2140156Y

CN2140156Y - Self-locking hidden slider of slide fastener

Info

Publication number: CN2140156Y
Application number: CN 92234473
Authority: CN
Inventors: 陈世宗
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-09-29
Filing date: 1992-09-29
Publication date: 1993-08-18
Anticipated expiration: 2002-09-29

Abstract

The utility model relates to a self-locking and hidden pull head of a slide fastener. The body of the pull head forms a roughly Y-shaped sprocket guiding groove. The central position of the front end of the body of the pull head is fixedly provided with an island shape separating device. The island shape separating device is provided with a placing groove which can just contain an elastic lock flaking. The elastic lock flaking and a pull sheet are connected with each other. The elastic lock flaking can swing in reciprocating way between an ordinary self-locking position and an unlocking position where the pull head is pulled to move corresponding to the pulling acting force of the pull sheet.

Description

Self-locking hidden slider of slide fastener

The utility model relates to a kind of self-locking hidden zip drawing head; Particularly about a kind of pull head structure with automatic locking function and easy to operate CONCEAL ZIPPER.

The pull header structure of tradition CONCEAL ZIPPER includes: formation one is roughly the pull head body of Y shape guide channel; One is fixedly arranged on the separator on the front end middle position of this pull head body; Articulate mutually with a snap lock film-making by the horizontal latch of a level on this separator.Make that this snap lock film-making can be by the elastic acting force of a spring or user's pulling function power, and be rotary middle spindle, and between a latched position and a unlocked position, implement lever motion with the horizontal latch of this level.The horizontal latch of this level must pass at least three pin holes in separator and the snap lock film-making, and its inconvenience place is all arranged in assembling and manufacturing; Moreover willow catkins flying in the air that pulling is produced on strap during pull head and dust in air very easily enter and are piled up in the space between this latch and each pin hole, cause the snap lock film-making to rotate smoothly, and then influence the pulling smoothness of pull head; Also may cause pull head smooth and easyly to spur because of latch gets rusty at long-term use rear oxidation.

The purpose of this utility model is to provide a kind of hidden zip drawing head that automatically locks that need not use the middle pin member of traditional pull head, and is not only textural more simple and practical, and more rapid easy in assembling and manufacturing, and can reduce manufacturing cost.

Another purpose of the present utility model ties up in the hidden zip drawing head that automatically locks that above-mentioned pattern is provided, it is because of using the pin member in traditional pull head, and can avoid because of willow catkins flying in the air or dust accretions between latch and pin hole or latch pull head that oxidation and rusting own causes can't smooth and easy pulling problem, make this part pull head structure-improved be able to protect smooth and easy forever and steadily draw row along zipper sprocket.

In preferred embodiment of the present utility model, the hidden zip drawing head that automatically locks of above-mentioned pattern, the elastic strain ability that it can be possessed because of snap lock film-making itself, and back and forth pivot automatically locking between position and unlocked position, need not use in traditional hidden zip drawing head in order to the spring of elastic acting force to be provided, not only can simplify the structure of hidden zip drawing head, and make assembling and make more rapid easy.

To achieve these goals, self-locking hidden zip drawing head of the present utility model comprises: a pulling-on piece; One has the pull head body of a base plate, comprises a leading section and a rear end; One is fixedly arranged on the leading section middle position of this base plate and has an island separator of a standing groove, formation one is roughly the guide channel of Y shape between this island separator and pull head body, so that guide a chain tooth row of this slide fastener to pass through this Y shape guide channel, and according to common this CONCEAL ZIPPER of mode folding, it is characterized in that: a snap lock film-making is placed in the standing groove of this island separator; One closure elements gland makes it to exempt the anxiety that standing groove is deviate from this snap lock film-making top; Thereby making this snap lock film-making being fastened in swingably in this standing groove, its rear end is connected with the mutual latch closure of above-mentioned pulling-on piece by a ring body and can be controlled by this pulling-on piece and is in one and automatically locks reciprocally swinging between position and this pull head unlocked position when pulled when flat.

Above-mentioned and other feature of the present utility model, purpose and effect are distincter with reference to the detailed description of following accompanying drawing.

Fig. 1 is the isometric exploded view of self-locking hidden zip drawing head first embodiment of the utility model;

Fig. 2 A is island separator and the axial section of snap lock film-making first embodiment when latched position among Fig. 1;

Fig. 2 B is similar to Fig. 2 A, and only the snap lock film-making among Fig. 2 B then is positioned on the unlocked position;

Fig. 3 A is island separator and the axial section view of snap lock film-making second embodiment when latched position among Fig. 1;

Fig. 3 B is similar to Fig. 3 A, and only the snap lock film-making among Fig. 3 B then is positioned on the unlocked position;

Fig. 4 is the part three-dimensional view of this island separator the 3rd embodiment;

Fig. 5 is the part three-dimensional view of this island separator the 4th embodiment;

Fig. 6 is the part three-dimensional view of this island separator the 5th embodiment;

Fig. 7 is the isometric exploded view of self-locking hidden zip drawing head second embodiment of the utility model;

Fig. 7 A is island separator and the axial section view of snap lock film-making when unlocked position among Fig. 7.

Below for convenience of explanation for the purpose of, components identical or assembly all are marked with identical reference number between embodiment, its corresponding element or assembly then after reference number again titled with English alphabet, as a means of respectively the contrast.

See also Fig. 1, hidden zip drawing head first embodiment 10 that automatically locks provided by the utility model, mainly include: one has the pull head body 12 of a base plate 14, the second half section two side portions edge of this base plate 14 extends upward the

side flange

16 and 18 that a pair of longitudinal axis with respect to this pull head body 12 is symmetric arrays respectively, and this

opposite side flange

16 and 18 top are inwardly made level respectively again to extending a

lip

20 and 22; One island separator 24 is fixedly arranged on the front end middle position of this base plate 14; Form one by above-mentioned pull head body 12 and island separator 24 and be roughly the guide channel 26 of Y shape, so that guide the chain tooth row (scheming not shown) of slide fastener to pass through this Y shape guide channel 26, and according to common this CONCEAL ZIPPER of mode folding.This island separator 24 has a standing groove 28 that just can hold a snap lock film-making 30.After snap lock film-making 30 is placed on standing groove 28 inside, one for example the closure elements 34 of lid promptly covered and blocked in the end face of this island separator 24, thereby exempt the anxiety that snap lock film-making 30 comes off.36 of one pulling-on pieces utilize a ring body 38 and are linked in this snap lock film-making 30 in the loose fit mode, and can back and forth slide by these pulling-on piece 36 these pull head bodies 12 of pulling.

Please consult Fig. 2 A and Fig. 2 B simultaneously, this snap lock film-making 30 is in fact one-body molded and roughly is distinguished into a preceding fitting portion 40, a centre C shape ring portion 42 and a tail end latch hook portion 46.Wherein this front end fitting portion 40 roughly is reverse U shape, and this front end fitting portion 40 extends to form a chimeric flange 48 forward and downward by the first end 43 that is positioned at the top position in this centre C shape ring portion 42; Snap lock film-making 30 standing grooves 28 of these island separator 24 inside also form a gomphosis groove 50 that cooperatively interacts with this chimeric flange 48 at its front end, by mutual chimeric and this lid 34(of this chimeric flange 48 and this gomphosis groove 50 as shown in Figure 1) closely gland makes the first end 43 of this centre C shape ring portion 42 can't produce for example rotation or mobile any motion kenel in the first end 43 of this centre C shape ring portion; In addition, 46 in this tail end latch hook portion reaches downward extension backward by the second end 45 that is positioned at lower position in this centre C shape ring portion 42 and the latch hook 56 that forms, this latch hook 56 can be stretched into by the slotted eye 60 of a unsettled extension 58 that extends back in this island separator 24 in the lock space 62 that itself and 14 of pull head body base plates define jointly, so as to the chain tooth row (scheme not shown) of automatic locking, automatically lock on the position thereby be positioned at one by the CONCEAL ZIPPER of this lock space 62.

Shown in Fig. 2 A, when pulling-on piece 36 is flat, do not spurred and dangle downwards because of weight own by user's application of force, promptly this pulling-on piece 36 is positioned at a connection horizontal level that extends to the tail end of pull head body 12 or slightly during downward-sloping position, a vertical stress component that makes progress is not born in this snap lock film-making 30, therefore, the space C shape ring portion 42 of snap lock film-making is because of elastic reaction that itself had, can make its first end 43 and the second end 45 relative away from, promptly this second end 45 is positioned on the lower position that latch hook 56 stretches into lock space 62, thereby make the brake type hidden zip drawing head 10 provided by the utility model can be not under the state of application of force pulling pull head 10, the constant position that automatically locks that remains in the user.

Shown in Fig. 2 B, when pulling-on piece 36 is positioned at one vertically upward or extend forward vertical or when leaning forward the position by the user along arrow A direction application of force pulling, this snap lock film-making 30 is promptly born a vertical stress component that makes progress because of being spurred by pulling-on piece 36, this vertical stress component is with the upwards pulling of the second end 45 of middle C shape ring portion, and with keep motionless first end 43 relative approaching, and then its latch hook 56 is drawn out outside this lock space 62, thereby automatically terminated locking function for CONCEAL ZIPPER chain tooth row, and make this pull head body 12 be able to be spurred smoothly, thereby this CONCEAL ZIPPER of folding reposefully by pulling-on piece 36.

Identical components is textural roughly the same shown in the island separator 24a of another embodiment that Fig. 3 A and Fig. 3 B disclose and snap lock film-making 30a and Fig. 2 A and Fig. 2 B, only the contact-making surface of 30 of island separator 24 and snap lock film-makings is a circular arc matching

surface

52 and 54 among Fig. 2 A and Fig. 2 B, contact-making surface among Fig. 3 A and Fig. 3 B between island separator 24a and snap lock film-making 30a then is the standing groove 280 that the middle place of the standing groove 28B of a slice 30B establishes a flexible member 32, and this two groove is for being total to ditch.This snap lock film-making 30B roughly is distinguished into a front end hinge portion 40B, a 42B of inter-engagement portion and a tail end latch hook 46B of portion who links into an integrated entity.The 42B of the inter-engagement portion top of this snap lock film-making 30B is suppressed by this flexible member 32, and the top of flexible member 32 is closure elements 34 glands, thereby make the snap lock film-making bear this flexible member suppress the effect and can by this pulling-on piece 36 controlled and identical with first embodiment be that pivot is done a limited lever motion with this front end hinge portion 40B, and then make its tail end latch hook 46B of portion can be in one under normal conditions to automatically lock position and pulling-on piece and be pulled the back and be in reciprocally swinging between a unlocked position, thereby reach the effect identical with first embodiment.

The utility model not only really belongs to innovation on the kenel of space, and can promote above-mentioned multinomial effect by more traditional hidden zip drawing head.

Claims

1, a kind of self-locking hidden zip drawing head includes:

One pulling-on piece;

One has the pull head body of a base plate, comprises a leading section and a rearward end;

One is fixedly arranged on this base plate leading section middle position and has an island separator of a standing groove, form one between this island separator and pull head body and be roughly the guide channel of Y shape, so that guide a chain tooth row of this slide fastener this CONCEAL ZIPPER of guide channel folding by this Y shape; It is characterized in that:

One snap lock film-making is placed in the standing groove of this island separator;

One closure elements gland makes it and can not deviate from from standing groove in this snap lock film-making top; Thereby this snap lock film-making is fastened in this standing groove in the mode that can swing, and the rear end of this snap lock film-making is connected with the mutual latch closure of above-mentioned pulling-on piece by a ring body and can makes this snap lock film-making be in back and forth rotation between a unlocked position when automatically locking position and this pull head of pulling when flat by the control of this pulling-on piece.

2, self-locking hidden zip drawing head as claimed in claim 1 is characterized in that, wherein this snap lock film-making includes: a C shape ring portion and a tail end latch hook portion in the middle of the front end fitting portion that links into an integrated entity; This centre C shape ring portion comprises: a first end spaced apart from each other and a second end, and one and this standing groove cooperatively interact and allow that this first end and the second end implement the matching surface of relative motion; This front end fitting portion is extended forward and downward by this first end, and so as to forming a chimeric flange, and this standing groove also forms and the mutual chimeric gomphosis groove of this chimeric flange at its front end; This tail end latch hook portion then reaches downward extension backward by this second end, so as to forming a latch hook in order to this chain tooth row of locking; By the relative motion between this first end and the second end, this latch hook can be automatically locked between a position and a unlocked position one move back and forth.

3, self-locking hidden zip drawing head as claimed in claim 1 is characterized in that, wherein this snap lock film-making roughly is the ω font, and it includes a front end hinge portion, an inter-engagement portion and a tail end latch hook portion that links into an integrated entity; The inter-engagement portion top of this snap lock film-making is established a flexible member in addition, this flexible member top is again an above-mentioned closure elements institute gland, thereby make the snap lock film-making bear the elastic acting force of this flexible member and be positioned at and automatically lock the position, and to be able to this front end hinge portion be that pivot is done a limited lever motion, and then make this tail end latch hook portion automatically lock reciprocally swinging between a position and a unlocked position one.

4, self-locking hidden zip drawing head as claimed in claim 1 is characterized in that, wherein this closure elements is one can closely be sleeved on the lid on one of this island separator end face.

5, self-locking hidden zip drawing head as claimed in claim 1, it is characterized in that, wherein this closure elements is two side projecture parts that one group of longitudinal axis with respect to the island separator is symmetric arrays, and this two side projecture part is stamped into horizontal and just can pushes down an end face of this island separator.

6, self-locking hidden zip drawing head as claimed in claim 1 is characterized in that, wherein this closure elements is tool one length and can strikes out horizontal so that push down one-sided jut on the end face of island separator of this snap lock film-making.

7, self-locking hidden zip drawing head as claimed in claim 1, it is characterized in that, wherein this closure elements is symmetric arrays and roughly surrounds four circular juts for the longitudinal axis with respect to this island separator, and these four juts are stamped into horizontal and just can push down this snap lock film-making.

8, self-locking hidden zip drawing head as claimed in claim 2 is characterized in that, wherein the matching surface between this centre C shape ring portion and this standing groove bottom is a circular arc matching surface.

9, self-locking hidden zip drawing head as claimed in claim 2 is characterized in that, wherein the matching surface between this centre C shape ring portion and this standing groove bottom is a trapezoidal matching surface.