Upper stop assembly for zipper and quick-release zipper
By designing a top stop assembly with a free end tab, and using a press to drive the tongue deformation, the existing fast-removing top stop structure has been solved, and the rapid and stable discharge of clothing has been achieved. .
Patent Information
- Application Number
- CN202420472774.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-12
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-03-12
Smart Images
Figure CN222516317U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of clothing, and in particular to a top stop assembly for a zipper and a quick-release zipper. Background Art
[0002] The top stop is an important part of a zipper, which has the function of preventing the slider from coming out when it is pulled up. The quick-release top stop refers to a structure designed specifically to allow the user to quickly remove the slider when needed, thereby releasing the stable engagement state of the zipper and completing the quick-release structure. It can meet the basic top stop function and the function of quickly removing the slider to open the zipper.
[0003] There are two types of quick-release upper stop structures in the prior art, namely: 1. A hollow elastic member is set as a quick-release dividing point, but the deformation stroke of the quick-release member is too large and is prone to fatigue fracture and other problems; 2. A misaligned meshing member is set as a quick-release dividing point, but its quick-release functional parts are unstable and affect the stable release of the slider, that is, the quick-release function of the clothing cannot be stably completed. Summary of the invention
[0004] Based on this, it is necessary to provide a top stop assembly for a zipper and a quick-release zipper to address the problems of low fatigue strength or unstable removal of the quick-release top stop structure.
[0005] A top stop assembly for a zipper, the top stop assembly for the zipper comprising a first top stop and a second top stop arranged opposite to each other, a moving channel extending along the operating axis of the slider being provided between the first top stop and the second top stop, the first top stop being provided with a pressure block, the second top stop comprising a main body and a tongue protruding from the main body, one end of the tongue being connected to the main body, and the other end extending along the operating axis of the slider and being a free end, the pressure block being aligned with the free end of the tongue, and when the first top stop and the second top stop are subjected to force and move toward each other, the pressure block abuts against the free end and is configured to be able to drive the tongue to be deformed under force to approach the main body.
[0006] In one embodiment, the first upper stop member is provided with an embedding groove, the embedding groove is located on one side of the pressure block along the operating axis of the slider, the embedding groove is arranged toward the moving channel, and when the pressure block abuts against the free end, the tongue portion is embedded in the embedding groove.
[0007] In one embodiment, the first upper stop member further includes a limit block, which is located on a side of the embedding groove along the operating axis of the slider away from the pressure block, and the second upper stop member is provided with a limit groove aligned with the limit block, and the limit groove is located on a side of the tongue along the operating axis of the slider.
[0008] In one embodiment, the end surface of the tongue facing the embedding groove is a contact surface, and the contact surface is an outwardly convex arc surface.
[0009] In one of the embodiments, the end surface of the pressing block facing the tongue is a contoured surface adapted to the abutting surface.
[0010] A quick-release zipper, comprising a first toothed chain belt, a second toothed chain belt, a slider, and a top stop assembly for a zipper as described in any of the above embodiments, wherein the first toothed chain belt comprises a first extension belt and a row of first coupling chain teeth attached to the coupling edge of the first extension belt. The second toothed chain belt comprises a second extension belt and a row of second coupling chain teeth attached to the coupling edge of the second extension belt, and the second coupling chain teeth and the first coupling chain teeth are arranged alternately. The slider reciprocates along the operating axis, and during the movement, drives the second coupling chain teeth and the first coupling chain teeth to alternately engage or disengage, so that the first toothed chain belt and the second toothed chain belt are attached to or detached from each other. The first upper stop is attached to the connecting edge of one of the first and second toothed chain belts, the second upper stop is attached to the connecting edge of the other of the first and second toothed chain belts, and the first upper stop and the second upper stop are arranged opposite to each other, and when there is no relative force between the first upper stop and the second upper stop, in the direction from the first extension belt to the second extension belt, the sum of the lengths of the first upper stop and the second upper stop is greater than the sum of the lengths of the first connecting chain teeth and the second connecting chain teeth that are staggered and engaged.
[0011] In one embodiment, the first toothed chain belt or the second toothed chain belt where the second upper stop is located also includes a transition chain block and an upper stop fastener arranged in sequence along the operating axis of the slider, and the transition chain block is located on one side of the second upper stop along the operating axis of the slider, and the upper stop fastener is provided with an escape groove, and the escape groove passes through the upper stop fastener in the direction from the first extension belt to the second extension belt.
[0012] In one embodiment, the escape groove is arranged obliquely, and the included angle between the extending direction of the escape groove and the operating axis of the slider is an acute angle.
[0013] In one embodiment, the number of the transition chain blocks is 2.
[0014] In one of the embodiments, a stop portion is protruded from one end of the upper fastener away from the transition chain block, and the stop portion extends toward the first extension belt where the upper fastener is located or the second extension belt where the upper fastener is located.
[0015] The top stop assembly and quick-release zipper provided in the above scheme are configured such that a tongue with a free end is provided on the second top stop, and a tongue is provided at the first top stop opposite to the second top stop, so that when the first top stop and the second top stop are not subjected to force or are subjected to a small force, the lateral lengths of the two are greater than the first connecting chain teeth and the second connecting chain teeth that are staggered and meshed, so that the force applied to mesh the first top stop and the second top stop needs to be greater than the force applied to mesh the first connecting chain teeth and the second connecting chain teeth, so as to play a top stop role; when the first top stop and the second top stop are subjected to force and move toward each other, the pressure block abuts against the free ends and can drive the free ends to deform under force, thereby reducing the lateral lengths of the first top stop and the second top stop, and then the first top stop and the second top stop pass through the meshing channel of the slider and disengage, thereby achieving a quick-release effect, and since the part subjected to force and deformation is the free end, its deformation amount during deformation is small, thereby improving the fatigue strength of the top stop assembly and making the quick-release and top stop functions more stable. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 Schematic diagram of the structure of a quick-release zipper in one embodiment of the present application.
[0017] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure of a medium quick-release zipper.
[0018] Figure 3 for Figure 1 Schematic diagram of the structure of the middle and upper stop components.
[0019] Figure 4 for Figure 1 Schematic diagram of the extrusion state of the middle and upper stop components.
[0020] Description of reference numerals:
[0021] 100, quick-release zipper; 110, first toothed chain belt; 111, first extension belt; 112, first connecting chain tooth; 120, second toothed chain belt; 121, second extension belt; 122, second connecting chain tooth; 130, slider; 131, engagement wall; 132, engagement channel; 133, introduction port; 134, engagement outlet; 140, upper stop assembly; 141, first upper stop member; 1411, pressure block; 1412, embedding groove; 1413, limiting block; 142, second upper stop member; 1421, tongue; 1422, free end; 1423, abutment surface; 1424, limiting groove; 1425, main body; 143, moving channel; 150, transition chain block; 160, upper stop fastener; 161, escape groove; 162, stop portion. DETAILED DESCRIPTION
[0022] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.
[0023] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.
[0024] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0025] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.
[0026] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0027] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.
[0028] See also Figure 1 , Figure 1 A schematic structural diagram of a quick-release zipper 100 in an embodiment of the present application is shown. A quick-release zipper 100 provided in an embodiment of the present application includes a first toothed chain tape 110, a second toothed chain tape 120, a slider 130, and a top stop assembly 140 for a zipper in any of the following embodiments.
[0029] The first fastener belt 110 includes a first extension belt 111 and a row of first coupling chain elements 112 attached to the coupling edge of the first extension belt 111. The second fastener belt 120 is arranged opposite to the first fastener belt 110, and the second fastener belt 120 includes a second extension belt 121 and a row of second coupling chain elements 122 attached to the coupling edge of the second extension belt 121, and the second coupling chain elements 122 and the first coupling chain elements 112 are staggered in a direction parallel to the coupling edge.
[0030] like Figure 1 As shown, the pull head 130 is moved along the operating axis (at Figure 1 and Figure 2 The operation axis is parallel to the connection edge, and during the movement, the second connection chain teeth 122 and the first connection chain teeth 112 are driven to alternately engage or disengage, so that the first tooth chain belt 110 and the second tooth chain belt 120 are attached to or detached from each other. Figure 1As shown, when the second coupling chain elements 122 and the first coupling chain elements 112 are staggered and engaged, the first and second chain elements 110 and 120 are attached to each other; when the second coupling chain elements 122 and the first coupling chain elements 112 are disengaged, the first and second chain elements 110 and 120 are disengaged from each other.
[0031] Combination Figure 2 As shown, the pull head 130 includes two oppositely disposed engagement walls 131 and an engagement channel 132 located between the two engagement walls 131. The two ends of the engagement channel 132 along the direction of the operating axis are respectively an inlet 133 and an engagement outlet 134, wherein the inlet 133 is two spaced apart, and the width of the engagement channel 132 from the inlet 133 to the engagement outlet 134 is reduced, so that when the pull head 130 is moved in the positive direction (in the direction of the operating axis) Figure 2 When the first coupling tooth 112 and the second coupling tooth 122 move from the introduction port 133 into the engagement channel 132, they are gradually engaged by the engagement wall 131 so that the first tooth chain belt 110 and the second tooth chain belt 120 are attached to each other; when the pull head 130 moves in the opposite direction of the operating axis (in the Figure 2 When the first and second coupling elements 112 and 122 move downward, they gradually break away from the action of the engagement wall 131 and disengage, so that the first and second toothed chain belts 110 and 120 are disengaged from each other.
[0032] Combination Figure 3 As shown, Figure 3 A schematic structural diagram of an upper stop assembly 140 for a zipper in one embodiment of the present application is shown. The present application provides a upper stop assembly 140 for a zipper, comprising a first upper stop member 141 and a second upper stop member 142 arranged relatively to each other, and a movable channel 143 extending along the operating axis of the slider 130 is provided between the first upper stop member 141 and the second upper stop member 142, for guiding the first upper stop member 141 and the second upper stop member 142 to the two inlet ports 133 respectively when the slider 130 passes through.
[0033] The first upper stopper 141 is attached to the connecting edge of one of the first and second fastener tapes 110 and 120, and the second upper stopper 142 is attached to the connecting edge of the other of the first and second fastener tapes 110 and 120, and the first and second upper stoppers 141 and 142 are arranged opposite to each other. Figure 1 and Figure 2 As shown, in this embodiment, the first upper stopper 141 is attached to the connecting edge of the first fastener tape 110, and the second upper stopper 142 is attached to the connecting edge of the second fastener tape 120. The reverse is also possible.
[0034] In such Figure 3In the illustrated embodiment, the first upper stop member 141 is provided with a pressure block 1411, and the second upper stop member 142 is provided with a tongue 1421. The second upper stop member 142 also includes a main body 1425. One end of the tongue 1421 is connected to the main body 1425 of the second upper stop member 142, and the other end extends along the operating axis of the slider 130 and is a free end 1422. The pressure block 1411 is aligned with the free end 1422 of the tongue 1421.
[0035] When there is no relative force between the first upper stopper 141 and the second upper stopper 142, in the direction from the first extension belt 111 to the second extension belt 121, Figure 2 In the middle is the left-right direction, and the left-right direction (lateral direction) is used as an example for explanation below and is not a limitation. The sum of the lateral lengths of the first upper stop 141 and the second upper stop 142 is greater than the sum of the lateral lengths of the first connecting chain teeth 112 and the second connecting chain teeth 122 that are staggered and engaged, so that when the slider 130 moves along the operating axis, when the slider 130 approaches the first upper stop 141 and the second upper stop 142, the force applied to make the first upper stop 141 and the second upper stop 142 engage must be greater than the force applied to make the first connecting chain teeth 112 and the second connecting chain teeth 122 engage, thereby playing an upper stop role. When the slider 130 continues to move with a force greater than the force applied to make the first connecting chain teeth 112 and the second connecting chain teeth 122 engage, when the first upper stop 141 and the second upper stop 142 are forced to move toward each other, as Figure 4 As shown, the pressing block 1411 abuts against the free end 1422 and can drive the free end 1422 to deform under force to move toward the main body 1425, thereby reducing the lateral length of the first upper stop 141 and the second upper stop 142, and then the first upper stop 141 and the second upper stop 142 pass through the engagement channel 132 of the slider 130 and disengage, thereby achieving a quick release effect. In addition, since the free end 1422 is the part that is deformed under force, its deformation amount during deformation is small, thereby improving the fatigue strength of the upper stop assembly 140.
[0036] like Figure 2 As shown, in one embodiment, the first upper stopper 141 is provided with an embedding groove 1412, the embedding groove 1412 is located on one side of the pressing block 1411 along the operating axis of the slider 130, and the embedding groove 1412 is arranged toward the moving channel 143. In this embodiment, the embedding groove 1412 is located on the first upper stopper 141, and the embedding groove 1412 is arranged toward the second upper stopper 142, and as shown in FIG. Figure 4 As shown, when the pressing block 1411 abuts against the free end 1422, the tongue 1421 is partially embedded in the embedding groove 1412 to reduce the lateral length of the first upper stop member 141 and the second upper stop member 142, thereby reducing the deformation required for the free end 1422 when the first upper stop member 141 and the second upper stop member 142 pass through the engagement channel 132 of the slider 130, thereby increasing the service life of the free end 1422.
[0037] like Figure 3 As shown, in one embodiment, the end surface of the tongue 1421 facing the embedding groove 1412 is abutting surface 1423, and the abutting surface 1423 is an outwardly convex arc surface, so that the tongue 1421 is partially embedded in the embedding groove 1412, thereby reducing the elastic deformation stroke of the free end 1422. Figure 3 As shown, in one embodiment, the end surface of the pressing block 1411 facing the tongue 1421 is a contoured surface adapted to the abutment surface 1423 , so that the tongue 1421 is partially embedded in the embedding groove 1412 .
[0038] like Figure 3 As shown, in one embodiment, the first upper stopper 141 is further provided with a limit block 1413, and the limit block 1413 is located on the side of the embedding groove 1412 along the operating axis of the slider 130 away from the pressure block 1411, and the second upper stopper 142 is provided with a limit groove 1424 aligned with the limit block 1413, and the limit groove 1424 is located on the side of the tongue 1421 along the operating axis of the slider 130, so that when the slider 130 moves to the point before the first upper stopper 141 and the second upper stopper 142 are engaged, that is, the applied force is between the applied force for engaging the first coupling tooth 112 and the second coupling tooth 122 and the applied force for engaging the first upper stopper 141 and the second upper stopper 142, at this time, as shown in FIG. Figure 2 As shown, the limit block 1413 is embedded in the limit groove 1424 to fix the relative positions of the first upper stop member 141 and the second upper stop member 142 to avoid applying force to the first extension belt 111 and the second extension belt 121 during quick release, thereby affecting the stability of the quick release; and at this time, the two engaging walls 131 of the slider 130 apply an inclined upward force to the first upper stop member 141 and the second upper stop member 142. When force is applied upward, the first upper stop member 141 and the second upper stop member 142 move relative to each other, so that the pressure block 1411 presses the free end 1422 to deform, thereby achieving quick release. The upper stop limit function can be achieved in the position shown in the figure without applying force, and it is also convenient for the slider 130 to be pulled down to separate the first tooth chain belt 110 and the second tooth chain belt 120 from each other.
[0039] In one embodiment, the first chain belt 110 or the second chain belt 120 where the second upper stop member 142 is located also includes a transition chain block 150 and an upper stop fastener 160 that are sequentially arranged along the operating axis of the slider 130. In this embodiment, the second chain belt 120 where the second upper stop member 142 is located also includes a transition chain block 150 and an upper stop fastener 160 that are sequentially arranged along the operating axis of the slider 130.
[0040] like Figure 1 and Figure 2As shown, the transition chain block 150 is located on one side of the second upper stop 142 along the operating axis of the slider 130. In this embodiment, the transition chain block 150 is a smooth chain block. In one embodiment, the number of the transition chain blocks 150 is two.
[0041] like Figure 1 and Figure 2 As shown, the upper fastener 160 is provided with an escape groove 161 , which penetrates the upper fastener 160 in the direction from the first extension belt 111 to the second extension belt 121 , so that the engaging wall 131 of the slider 130 can move along the escape groove 161 and escape.
[0042] like Figure 1 and Figure 2 As shown, in one embodiment, the escape groove 161 is inclined, and the included angle between the extending direction of the escape groove 161 and the operating axis of the pull head 130 is an acute angle, so as to facilitate the escape of the pull head 130.
[0043] like Figure 1 and Figure 2 As shown, in one embodiment, a stop portion 162 is protruded from one end of the upper stop member 160 away from the transition chain block 150, and the stop portion 162 extends toward the first extension band 111 where the upper stop member 160 is located or the second extension band 121 where the upper stop member 160 is located. In this embodiment, the upper stop member 160 is located at the second extension band 121, and the stop portion 162 extends toward the second extension band 121, so as to block the front end of the engaging wall 131 of the pull head 130 moving along the operating axis through the stop portion 162, thereby preventing the pull head 130 from continuing to move along the operating axis, thereby causing the pull head 130 to escape along the escape groove 161.
[0044] The top stop assembly 140 and the quick-release zipper 100 provided in the above scheme are provided with a tongue 1421 having a free end 1422 on the second top stop 142, and a tongue 1421 corresponding to the free end 1422 is provided on the first top stop 141 opposite to the second top stop 142, so that when the first top stop 141 and the second top stop 142 are not subjected to force or are subjected to a small force, the lateral lengths of the two are greater than the first connecting chain teeth 112 and the second connecting chain teeth 122 that are staggered and engaged, so that the force applied to the first top stop 141 and the second top stop 142 to engage is greater than the force required to engage the first connecting chain teeth 112 and the second connecting chain teeth 122 When the first upper stop member 141 and the second upper stop member 142 are forced to move toward each other, the pressing block 1411 abuts against the free end 1422 and can drive the free end 1422 to deform under force, thereby reducing the lateral length of the first upper stop member 141 and the second upper stop member 142, and then the first upper stop member 141 and the second upper stop member 142 pass through the engagement channel 132 of the slider 130 and disengage, thereby achieving a quick-release effect. Moreover, since the free end 1422 is the part that is deformed under force, its deformation amount during deformation is small, thereby improving the fatigue strength of the upper stop assembly 140 and making the quick-release and upper stop functions more stable.
[0045] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0046] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.
Claims
1. A top stop assembly (140) for a zipper, characterized in that: The upper stop assembly (140) for a zipper comprises a first upper stop member (141) and a second upper stop member (142) which are arranged opposite to each other, a moving channel (143) extending along the operating axis of a slider (130) is arranged between the first upper stop member (141) and the second upper stop member (142), the first upper stop member (141) is provided with a pressing block (1411), the second upper stop member (142) comprises a main body (1425) and a protruding tongue (1421) protruding from the main body (1425), the protruding tongue (1421) ) is connected to the main body (1425), and the other end extends along the operating axis of the slider (130) and is a free end (1422), the pressing block (1411) is aligned with the free end (1422) of the tongue (1421), and when the first upper stop member (141) and the second upper stop member (142) are forced to move toward each other, the pressing block (1411) abuts against the free end (1422) and is configured to be able to drive the tongue (1421) to deform under force to approach the main body (1425).
2. The top stop assembly (140) for a zipper according to claim 1, characterized in that: The first upper stop member (141) is provided with an embedding groove (1412), and the embedding groove (1412) is located on one side of the pressing block (1411) along the operating axis of the slider (130). The embedding groove (1412) is arranged toward the moving channel (143), and when the pressing block (1411) abuts against the free end (1422), the tongue (1421) is partially embedded in the embedding groove (1412).
3. The top stop assembly (140) for a zipper according to claim 2, characterized in that: The first upper stop member (141) also includes a limit block (1413), and the limit block (1413) is located on the side of the embedding groove (1412) along the operating axis of the slider (130) away from the pressing block (1411), and the second upper stop member (142) is provided with a limit groove (1424) aligned with the limit block (1413), and the limit groove (1424) is located on the side of the tongue (1421) along the operating axis of the slider (130).
4. The top stop assembly (140) for a zipper according to claim 2, characterized in that: The end surface of the protruding tongue (1421) facing the embedding groove (1412) is a contact surface (1423), and the contact surface (1423) is an outwardly convex arc surface.
5. The top stop assembly (140) for a zipper according to claim 4, characterized in that: The end surface of the pressing block (1411) facing the protruding tongue (1421) is a contoured surface adapted to the abutting surface (1423).
6. A quick-release zipper (100), characterized in that: include: A first fastener belt (110) comprising a first extension belt (111) and a row of first coupling fastener elements (112) attached to a coupling edge of the first extension belt (111); A second fastener belt (120), comprising a second extension belt (121) and a row of second coupling teeth (122) attached to a coupling edge of the second extension belt (121), wherein the second coupling teeth (122) and the first coupling teeth (112) are arranged alternately; The pull head (130) moves back and forth along the operating axis, and during the movement, drives the second connecting chain teeth (122) and the first connecting chain teeth (112) to alternately engage or disengage, so that the first chain belt (110) and the second chain belt (120) are attached to or detached from each other; The upper stop assembly (140) for a slide fastener as described in any one of claims 1 to 5, wherein the first upper stop (141) is attached to the connecting edge of one of the first toothed chain tape (110) and the second toothed chain tape (120), and the second upper stop (142) is attached to the connecting edge of the other of the first toothed chain tape (110) and the second toothed chain tape (120), and the first upper stop (141) and the second upper stop (142) are arranged opposite to each other, and when there is no relative force between the first upper stop (141) and the second upper stop (142), in the direction from the first extension band (111) to the second extension band (121), the sum of the lengths of the first upper stop (141) and the second upper stop (142) is greater than the sum of the lengths of the first connecting chain teeth (112) and the second connecting chain teeth (122) that are staggered.
7. The quick-release zipper (100) according to claim 6, characterized in that: The first chain belt (110) or the second chain belt (120) where the second upper stop member (142) is located also includes a transition chain block (150) and an upper stop member (160) which are sequentially arranged along the operating axis of the slider (130), and the transition chain block (150) is located on one side of the second upper stop member (142) along the operating axis of the slider (130), and the upper stop member (160) is provided with an escape groove (161), and the escape groove (161) passes through the upper stop member (160) in the direction from the first extension band (111) to the second extension band (121).
8. The quick-release zipper (100) according to claim 7, characterized in that: The escape groove (161) is arranged obliquely, and the included angle between the extension direction of the escape groove (161) and the operating axis of the pull head (130) is an acute angle.
9. The quick-release zipper (100) according to claim 7, characterized in that: The number of the transition chain blocks (150) is 2.
10. The quick-release zipper (100) according to claim 7, characterized in that: A stop portion is protruding from one end of the upper fastener (160) away from the transition chain block (150), and the stop portion extends toward the first extension belt (111) where the upper fastener (160) is located or the second extension belt (121) where the upper fastener (160) is located.