CN115429023A - Zipper capable of being rapidly opened - Google Patents

Abstract

The invention belongs to the technical field of zippers, and particularly relates to a zipper capable of being rapidly exploded, which comprises a pair of chain belts and zipper teeth, wherein the chain belts are provided with a plurality of peeling areas, each peeling area comprises a weakening area and two transition areas, the two transition areas are respectively positioned at two ends of the weakening area, each weakening area is provided with non-meshing zipper teeth, and each non-meshing zipper tooth comprises a tooth holder, triangular teeth positioned on one side of the tooth holder and positioned on the upper side and finger-shaped teeth positioned on the lower side; the transition region is equipped with half meshing sprocket, half meshing sprocket includes the toothholder and is located the triangle tooth and the semi-circular rodent of downside that are located the upside of toothholder one side. Compared with the prior art, the invention has the following advantages: the zipper has reasonable integral design, can ensure complete and consistent appearance, can not be blocked and leaked when in normal use, can effectively reduce the possibility that the zipper is accidentally pulled open, and simultaneously improves the smoothness of the burst zipper, and has wide application range.

Description

Zipper capable of being rapidly opened

Technical Field

The invention belongs to the technical field of zippers, and particularly relates to a zipper capable of being rapidly exploded.

Background

A conventional zipper generally has a pair of zipper tapes, mutually engaged zipper teeth are provided at opposite side edges of the zipper tapes, an insertion pin is installed at the top of the zipper tapes, a socket is provided at the bottom of the zipper tapes at the left side, and a zipper slider is provided at the zipper tapes at the right side.

The currently known quick-opening zipper is mainly applied to decomposable outdoor sportswear disclosed in the application number of 201220436405.6 or multifunctional floating life jackets disclosed in the application number of 201610512763.3, and in addition, the quick-opening zipper can also be applied to emergency application scenes such as fire-fighting clothes and the like, the zipper needs to be quickly opened, and the separation of the left zipper teeth and the right zipper teeth can be completed without sliding the zipper head to the bottom; the application number is 200980158480.1, which discloses a zipper puller and a quick-opening type zipper, wherein the upper wing piece or the lower wing piece of the puller is flexible, and when transverse pulling force is applied, a cloth belt inserting channel of the zipper puller is expanded in width, so that zipper tooth rows are quickly separated; the application number is 201610137272.5, discloses that the pull head is easily affected by accidental pulling force, and therefore discloses a quick and easy-to-detach pull head, which is provided with a single-side upper stop, the pull head is lifted upwards when needed, so that the pull head is stopped at the single-side upper stop part, and a cloth belt at the other side can be quickly pulled out of the pull head, so that the situation that a zipper cannot be accidentally pulled open is avoided, and meanwhile, the zipper is conveniently and quickly separated; but in the actual operation, the situation of misoperation can occur due to stress; application No. 200680010730.3 discloses a slide fastener which can be easily opened, and specifically discloses that a slider 19 is transferred to an upper end 29 of the slide fastener 1 along the slide fastener 1, the slider 19 is located at the highest position of an end stop 21 of a second stringer 5, in which position a cord 31 is located inside the slider 19, the cord 31 cannot freely move laterally of the slider 19, but is drawn from the slider 19 when a predetermined force should be applied; in order to increase the bursting speed, this application also discloses providing a plurality of weakened areas 23 having gaps 25 to allow the zipper to be peeled from the middle; or the coupling element 30 is used instead of the gap 25 so that the zipper can be peeled off from the middle; in practical applications, the problem of pull-off or pull-off of the slider may occur when the gap 25 or the block guide element 33 is provided, which affects the fluency during normal use; improved coupling elements 30 are disclosed which are constructed accordingly so that the nose portion 44 moves between the shoulders 46 of opposed coupling elements 30, is more difficult to resist outward forces, and provides a weak point at which the zipper can be peeled apart while ensuring a consistent appearance of the zipper 1' when viewed from one direction, the number of elements being dependent on the desired force to unzip; this application also discloses guide elements 33' with triangular heads 39, so that the opposite guide elements 33' fit between each other without engaging each other, enabling the gap between the opposite guide elements 33' to be reduced, avoiding premature opening of the zipper at the weakened region 23, but if gloves or the like are worn, the weakened region 23 cannot be quickly aligned, and the weakened region 23 being set too long, also affecting the strength of the zipper as a whole; in addition, because of the partial engagement of the guide elements 33', the zipper peeling force is also affected; a slide fastener is disclosed in application No. 200610084736.7, disclosing the use of combination of triangular teeth and arc-shaped teeth, and the specification discloses that "the fastener element ensures necessary assembling strength and engaging strength without significantly reducing the thickness dimension of the support portions 12 on the left and right sides of the rear surface portion 8" \8230 "; the engagement is never released or the fastener element is never simply damaged even if an external force such as a pulling force or a pushing force is applied to the slide fastener 1"; the application number is 201720614708.5, which discloses a triangular tooth element, wherein the structures of an upper tooth part, a lower tooth part and a bottom part are changed, so that the meshing between the tooth elements is firmer, and the surface side of the tooth element is more attractive; in the case of outdoor sportswear or firefighter uniform, the zipper arrangement gap may also affect the wind resistance or heat insulation of the garment, and therefore, there is a need for an improvement over the existing zipper structure to provide a zipper that is easy to find and easily peel.

Disclosure of Invention

The invention aims to provide a zipper capable of being rapidly burst, aiming at the problem that the use fluency of the zipper is influenced by the gap of the existing zipper or a weakened area is not easy to find to rapidly strip the zipper in an emergency situation.

The invention is realized by the following technical scheme: a zipper capable of being rapidly exploded comprises a pair of chain belts, wherein the opposite side edges of the pair of chain belts are provided with mutually-meshed zipper teeth, the bottom of the left chain belt is provided with an inserted pin, the bottom of the right chain belt is provided with a socket, the right chain belt is provided with a zipper head sliding along the zipper teeth, the chain belts are provided with a plurality of peeling areas, the number of the peeling areas is set according to the length of the zipper, each peeling area comprises a weakening area and two transition areas, the two transition areas are respectively positioned at two ends of the weakening area, each weakening area is provided with non-meshed zipper teeth, and each non-meshed zipper tooth comprises a tooth holder, triangular teeth positioned at the upper side of the tooth holder and finger-shaped teeth positioned at the lower side of the tooth holder; the transition region is provided with semi-meshing sprockets which comprise a tooth base, triangular teeth and a semicircular tooth, wherein the triangular teeth are positioned on the upper side of the tooth base, and the triangular teeth are positioned on one side of the tooth base; when the zipper teeth on the chain belts at two sides are meshed, the triangular teeth arranged oppositely are in staggered abutting joint, the semicircular teeth arranged oppositely are in staggered meshing, and the finger-shaped teeth arranged oppositely are arranged at intervals; the half-meshing zipper teeth and the non-meshing zipper teeth are matched, so that the stripping area of the zipper is prolonged, and the zipper can be conveniently and quickly found to apply force; the non-meshing zipper teeth can be conveniently opened by a small inward pressing force, the operation is convenient even if the glove is worn, and the zipper peeling process is smoother in emergency.

Specifically, the number of the half-meshing zipper teeth on one side of each transition area is 3-6, the number of the non-meshing zipper teeth on one side of each weakening area is 3-5, triangular teeth are arranged on the outer side of the whole stripping area, the consistency and integrity of the appearance can be guaranteed, and mutually-meshed semi-circular meshing teeth are arranged on the transition sections, are common meshing teeth and have the same structure as the zipper teeth on other parts.

Specifically, a middle jack is arranged in the socket, a guide post is arranged on one side of the socket, symmetrically arranged stop posts are arranged on one side of the socket away from the guide post, an insertion seam is arranged between the two stop posts, and the height of each stop post is 1/3-1/2 of the height of the socket, so that an insertion pin can conveniently and quickly slide out after a zipper is exploded; insert round pin upper end be equipped with the zipper teeth bottom of bottommost and the protruding tooth of guide post upper end meshing, insert round pin bottom for having the wedge embedding portion of wedge face, the wedge face of wedge embedding portion sets up in the one side of keeping away from left side chain belt, and the setting up of wedge face makes things convenient for the side roll-off of inserting the round pin from the socket fast.

Specifically, a left functional upper stop piece with a through hole is arranged at the top end of the left side chain belt, a right functional upper stop piece is arranged at the right side chain belt corresponding to the left functional upper stop piece in height, an extrusion bulge for extruding the left functional upper stop piece is arranged on the inner side of the right functional upper stop piece, a block guide tooth, a wedge-shaped guide tooth and a special-shaped upper stop piece are sequentially arranged above the right functional upper stop piece on the right side chain belt, and a wedge surface of the wedge-shaped guide tooth is positioned at the top of the wedge-shaped guide tooth; the special-shaped upper stop piece comprises a stop piece main body and a thin stop block connected with the stop piece main body; the thicknesses of the square guide teeth, the wedge-shaped guide teeth and the stopper main body are the same as those of the zipper teeth, the stopper main body comprises an outer fixture block with the outer side protruding relative to the outer side of the zipper teeth, and the lower end face of the stopper main body is parallel to the wedge-shaped face; the thickness of the thin block is larger than the distance between the side plate of the upper wing plate and the side plate of the lower wing plate of the zipper head.

Specifically, the outer surface of the chain belt is provided with a high-temperature resistant leather material which can be applied to a firefighter uniform and plays a role in heat insulation; the zipper puller is internally provided with no metal elastic sheet, so that the influence on the normal use of the zipper puller due to high temperature is avoided; the zipper teeth, the semi-meshing zipper teeth, the non-meshing zipper teeth, the zipper head, the inserting pin and the socket are all formed by injection molding; the weakening area and the transition area are different from other zipper teeth in color, and the peeling area can be quickly found when the zipper needs to be exploded.

When the zipper is used, the zipper head slides to the position above the socket, the inserting pins are inserted into the zipper head and the socket in sequence, the zipper head is pulled to move upwards, zipper teeth are meshed with each other, the zipper is closed, and the zipper head stops at the lower sides of the left functional upper stop piece and the right functional upper stop piece;

when the zipper needs to be popped open, a force can be applied to continuously pull the zipper head upwards, the zipper head can be pulled to the upper side of the right functional upper stop piece due to the extrusion effect of the right functional upper stop piece on the left functional upper stop piece, the left side chain belt can be directly pulled out from the lateral direction of the zipper head, or the zipper head can be taken out from a channel formed above the wedge-shaped guide teeth and below the special-shaped upper stop piece, so that the zipper head can be popped open conveniently and quickly;

when the zipper needs to be popped in an emergency, the zipper can be popped by pressing the peeling area inwards and pulling the peeling area to two sides;

the reasonable arrangement of the inserting pin structure can quickly slide out of the socket when the zipper is opened.

Compared with the prior art, the invention has the following advantages: the integral design of the zipper is reasonable, the complete and consistent appearance can be ensured, and the situation of blockage and air leakage can be avoided when the zipper is normally used; the zipper head is blocked by arranging the left functional upper stop piece and the right functional upper stop piece, and the left chain belt and the right chain belt can be conveniently separated at the top after force is applied; through the arrangement of the wedge-shaped guide teeth and the special-shaped upper stop piece, the zipper head is convenient to take out and mount, the replacement and maintenance are convenient, and the zipper is also convenient to burst from top to bottom; the stripping area is matched with the non-meshing zipper teeth through the arrangement of the semi-meshing zipper teeth, so that the zipper can be stripped conveniently by applying small force, and the zipper can be quickly burst even when the glove is worn; the arrangement of the half-meshed zipper teeth can effectively reduce the possibility that the zipper is accidentally unzipped, and simultaneously improve the smoothness of the zipper bursting.

Drawings

FIG. 1 is a front view of the slide fastener.

FIG. 2 is a schematic view of the structure of the back of the slide fastener.

Fig. 3 is a schematic view of a half-meshing sprocket.

Fig. 4 is another angular configuration of the half-meshing sprocket.

Fig. 5 is a schematic view of the structure of the non-engaging sprocket.

FIG. 6 is another angular configuration of the non-meshing sprocket.

FIG. 7 is a schematic view showing the structure of the lower part of the slide fastener.

Fig. 8 is a schematic structural view of the socket.

FIG. 9 is a schematic view showing the structure of the upper part of the slide fastener.

Fig. 10 is a top view of the shaped upper stop.

Fig. 11 is a perspective view of the shaped upper stop.

Fig. 12 is a partial structural view of the slider.

Wherein, 1-chain belt, 2-zipper teeth, 3-socket, 31-guide column, 311-slot, 32-insert pin, 321-convex tooth, 322-wedge embedded part, 33-stop column, 4-zipper head, 41-upper wing plate side plate, 42-lower wing plate side plate, 5-stripping region, 51-non-meshing zipper teeth, 52-semi-meshing zipper teeth, 53-tooth base, 531-embedded groove, 54-triangular tooth, 55-semicircular tooth, 56-finger tooth, 561-shoulder transition section, 562-finger, 61-left functional upper stop, 611-through hole, 62-right functional upper stop, 63-square guide tooth, 64-wedge guide tooth, 65-special-shaped upper stop, 651-stop body, 652-thin stop block, 653-wedge surface, a-transition region, b-weakening region and h-spacing.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 to 6, a zipper capable of being rapidly exploded includes a pair of chain belts 1, wherein opposite side edges of the pair of chain belts 1 are provided with mutually engaged zipper teeth 2, the bottom of the left chain belt is provided with an insert pin 32, the bottom of the right chain belt is provided with a socket 3, the right chain belt is provided with a zipper head 4 sliding along the zipper teeth 2, the chain belt 1 is provided with two groups of peeling areas 5, the interval between two adjacent groups of peeling areas 5 is 15cm, the peeling area 5 includes a weakened area b and two transition areas a, the number of the single sides of half-engaged zipper teeth 52 of each transition area a is 5, the number of the single sides of non-engaged zipper teeth 51 of the weakened area b is 4, and the two transition areas a are respectively located at two ends of the weakened area b;

the weakened area b is provided with a non-meshing sprocket 51, and the non-meshing sprocket 51 comprises a tooth base 53, a triangular tooth 54 positioned on the upper side and a finger tooth 56 positioned on the lower side, wherein the triangular tooth is positioned on one side of the tooth base 53; the finger 56 comprises a shoulder transition section 561 and fingers 562, the width of the fingers 562 is not more than 1/3 of the width of the tooth base 53, the shoulder transition section 561 smoothly connects the tooth base 53 and the fingers 562, the front end finger 562 of the finger 56 is smoothly transited, the rear side of the tooth base 53 is provided with an embedded groove 531 for accommodating the outer edge of the chain belt 1, the transition area a is provided with a semi-engaging tooth 52, and the semi-engaging tooth 52 comprises a tooth base 53 and a triangular tooth 54 positioned at the upper side and a semicircular tooth 55 positioned at the lower side at one side of the tooth base 53; when the zipper teeth 2 positioned on the zipper belts 1 at two sides are meshed, the triangular teeth 54 arranged oppositely are in staggered abutting joint, the semicircular engaging teeth 55 arranged oppositely are in staggered meshing, and the finger-shaped teeth 56 arranged oppositely are arranged at intervals in a staggered way; the half-meshing zipper teeth 52 and the non-meshing zipper teeth 51 are matched, so that the peeling area 5 of the zipper is prolonged, and the zipper can be conveniently and quickly found for applying force; the non-engaging teeth 51 can be opened with a small inward pressing force, and the operation is facilitated even when the glove is worn, so that the zipper peeling process is smoother in an emergency.

When the floating life jacket is used in a floating life jacket, part of the floating life jacket is provided with a structure for wrapping buoyancy objects at the collar part, the buoyancy objects are made of EPE foam according to the shape and are sealed by zippers, and the buoyancy objects can enable the head of a person falling into water to quickly leave the water surface; when the novel water jacket is used, the peeling area 5 is arranged at the position close to the front of the collar, so that a worker can conveniently and quickly burst the zipper to take out the buoyancy object at the collar part, and a person falling into water can conveniently carry out first aid; in this embodiment, the peeling area 5 is preferably 20cm from the end of the zipper, where the end is the receptacle or top stop location.

Example 2

On the basis of embodiment 1, in order to facilitate the insertion and sliding-out of the insertion pin 32, as shown in fig. 7-8, a middle insertion hole 34 is formed in the socket 3, a guide post 31 is arranged on one side of the socket 3, and an insertion slot 311 for fixing a left-side chain belt is formed on the outer sides of the guide post 31 and the socket 3; the plug socket is characterized in that symmetrically arranged retaining columns 33 are arranged on one side of the plug socket 3 away from the guide column 31, an insertion slot is formed between the two retaining columns 33, the retaining columns 33 can limit the insertion pins 32 in the insertion holes 34, and the height of the retaining columns 33 is 1/2 of the height of the plug socket 3; the upper end of the insertion pin 32 is provided with a convex tooth 321 which is meshed with the bottom of the zipper teeth 2 at the lowest end and the upper end of the guide column 31, the bottom of the insertion pin 32 is provided with a wedge-shaped embedding part 322 with a wedge-shaped surface, the wedge-shaped surface of the wedge-shaped embedding part 322 is arranged on one side far away from the left-side zipper belt, and the arrangement of the wedge-shaped surface is convenient for the insertion pin 32 to rapidly slide out from the side face of the socket; the removal can be further accelerated on the basis of example 1.

Example 3

On the basis of embodiment 1, in order to prevent the zipper head 4 from preventing the zipper from bursting open, as shown in fig. 9-12, the top end of the left side zipper tape is provided with a left functional upper stopper 61 having a through hole 611, the right side zipper tape is provided with a right functional upper stopper 62 at a height corresponding to the left functional upper stopper 61, and the inner side of the right functional upper stopper 62 is provided with an extrusion protrusion (the working process is the same as that described in the application document having the application number of 201610137272.5) for extruding the left functional upper stopper 61, the difference is that the right side zipper tape is provided with a block guide tooth 63, a wedge guide tooth 64 and a special-shaped upper stopper 65 in sequence above the right functional upper stopper 62, and the wedge surface of the wedge guide tooth 64 is positioned at the top of the wedge guide tooth 64; the special-shaped upper stop 65 comprises a stop body 651 and a thin stop 652 connected with the stop body 651; the thicknesses of the square guide teeth 63, the wedge-shaped guide teeth 64 and the stopper main body 651 are the same as that of the zipper teeth 2 (the thickest part), the stopper main body 651 comprises an outer clamping block, the outer side of the outer clamping block protrudes relative to the outer side of the zipper teeth 2, the outer clamping block is used for preventing the zipper head from being pulled upwards and separated, and the lower end face of the stopper main body 651 is parallel to the wedge-shaped face 653; the thickness of the thin block 652 is larger than the distance h between the upper wing plate 41 and the lower wing plate 42 of the slider, so that the slider 4 can be prevented from falling out, but can be taken out by applying a slight force because the upper wing plate 41 and the lower wing plate 42 have certain elasticity.

The use process in the embodiment is that the zipper head 4 slides downwards to the upper part of the socket 3, the inserting pin 32 is inserted from one side of the zipper head 4 and one side of the socket 3 in sequence, the zipper head 4 is pulled to move upwards, the zipper teeth 2 are mutually occluded, the zipper is closed, the zipper head 4 stops due to resistance when reaching the lower sides of the left functional upper stop piece 61 and the right functional upper stop piece 62, and the zipper head 4 can be positioned above the left functional upper stop piece 61 if the upward force application pulling is required to be opened subsequently, and the zipper can be opened downwards at the moment; whether the zipper puller 4 is taken out from the channel formed above the wedge-shaped guide teeth 64 and below the special-shaped upper stop piece 65 is selected according to needs, so that the zipper puller is convenient to replace according to needs.

Example 4

On the basis of the embodiment 1, in order to be applied to the firefighter uniform, the outer surface of the chain belt 1 is provided with a high-temperature resistant leather material to play a role in heat insulation; the zipper puller 2 is not internally provided with a metal elastic sheet, so that the normal use of the zipper puller 2 is prevented from being influenced by high temperature.

Example 5

In the embodiment, the non-meshing zipper teeth and the semi-meshing zipper teeth of the weakening area b and the transition area a are orange, the zipper teeth of other parts are black, the orange is obvious, and the peeling area can be quickly found when the zipper needs to be popped.

If a more rapid bursting of the zip fastener is required in an emergency, the splitting zone 5 is pressed inwards directly

The zipper can be burst by pulling the zipper to two sides, the non-meshed zipper teeth 51 can be rapidly separated under the action of pressure, the non-meshed zipper teeth can be conveniently separated even if a user wears gloves, the semi-meshed zipper teeth 52 can also be rapidly separated under the condition of increasing a certain pressure, and the speed of driving the whole zipper to be separated by the non-meshed zipper teeth 51 is increased; the number of the non-meshing zipper teeth 51 is reduced, and the triangular teeth 54 are arranged on the non-meshing zipper teeth 51 and the semi-meshing zipper teeth 52, so that the outer surface of the zipper is kept complete, and compared with the missing teeth or incompletely closed zipper teeth, the air tightness can be improved when the zipper is applied to a fire-fighting suit, and the use scenes of the zipper are increased; the insertion pin 32 can slide out of the socket 3 quickly when the zipper is opened reasonably.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. A zipper capable of being rapidly exploded comprises a pair of chain belts, wherein mutually meshed zipper teeth are arranged on opposite side edges of the pair of chain belts, an inserting pin is arranged at the bottom of the left side chain belt, a socket is arranged at the bottom of the right side chain belt, and a zipper head sliding along the zipper teeth is arranged on the right side chain belt; the transition area is provided with semi-meshing sprockets which comprise a tooth base, triangular teeth and a semicircular rodent tooth, wherein the triangular teeth are positioned on the upper side of the tooth base, and the semicircular rodent tooth is positioned on the lower side of the tooth base; when the zipper teeth on the chain belts at two sides are meshed, the triangular teeth arranged oppositely are in staggered abutting joint, the semicircular engaging teeth arranged oppositely are in staggered meshing, and the finger-shaped teeth arranged oppositely are arranged at intervals in a staggered way.

2. A rapidly burstable slide fastener as claimed in claim 1, wherein the number of half engaging element flanks per transition zone is 3 to 6 and the number of non-engaging element flanks per weakened zone is 3 to 5.

3. A quick-bursting slide fastener as claimed in claim 1, in which the socket has a central hole and a guide post at one side of the socket, and the slide fastener is characterized in that the side of the socket remote from the guide post has symmetrically arranged stop posts, and an insertion slot is arranged between the two stop posts, and the height of the stop post is 1/3-1/2 of the height of the socket.

4. A rapidly burstable slide fastener as claimed in claim 3, wherein the insert pin is provided at an upper end thereof with a projection which engages with a bottom of the lowermost fastener element and an upper end of the guide post, and the bottom of the insert pin is a wedge-shaped insert portion having a wedge-shaped face which is provided at a side remote from the left fastener tape.

5. A rapidly burstable slide fastener as claimed in claim 1, wherein the outer surface of the stringers is provided with a high temperature resistant material.

6. A rapidly burstable slide fastener as claimed in claim 1, wherein the slider is devoid of metal domes.

7. A rapidly burstable slide fastener as claimed in claim 6, wherein the teeth, the half-engaging teeth, the non-engaging teeth, the slider, the insert pin and the socket are injection molded.

8. A pop-open fastener as recited in claim 1, wherein said weakened and transition regions are colored to distinguish them from other fastener elements.

9. The rapidly burstable slide fastener of claim 1, wherein a left functional upper stop member having a through hole is disposed at the top end of the left chain belt, a right functional upper stop member is disposed at the right chain belt corresponding to the left functional upper stop member, and an extrusion protrusion for extruding the left functional upper stop member is disposed inside the right functional upper stop member, wherein a block guide tooth, a wedge guide tooth and a special-shaped upper stop member are sequentially disposed above the right functional upper stop member on the right chain belt, and a wedge surface of the wedge guide tooth is disposed on the top of the wedge guide tooth; the special-shaped upper stop piece comprises a stop piece main body and a thin stop block connected with the stop piece main body.

10. A rapidly burstable slide fastener as claimed in claim 1, wherein the block element, the wedge element and the stop body have the same thickness as the element, the stop body includes an outer projection projecting outwardly relative to the outside of the element, and a lower end face of the stop body is parallel to the wedge face.

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