Rear assembly pull tab and corresponding pull head

Abstract

The utility model provides a rear assembly pull piece and a pull head. The rear assembly pull piece comprises a metal piece, an injection molding piece and a clamping column. The metal piece comprises a first connecting block, the first connecting block is provided with a first containing groove, and a first limiting strip is arranged on the side wall of the first containing groove. The first connecting block is provided with a first protruding block. The injection molding part comprises a second connecting block, the second connecting block is provided with a second containing groove, and the first protruding block is detachably arranged in the second containing groove. The second connecting block is provided with a second protruding block, and the second protruding block is detachably arranged in the first containing groove. The second protruding block is provided with a first limiting groove, and the first limiting strip is detachably arranged in the first limiting groove. The first connecting block and the second connecting block form a clamping groove, and the clamping column is detachably arranged in the clamping groove and clamped between the side face of the first protruding block and the side face of the second protruding block. The pull head comprises the rear assembly pull piece. According to the rear assembly pull piece and the pull head, a metal piece and an injection molding piece are not prone to being separated when the pull piece and the pull head are pulled.

Description

Technical Field

[0001] The utility model relates to the technical field of zippers, in particular to a post-assembly pull tab and a corresponding pull head. Background Art

[0002] A slider consists of a base and a pull tab. Pulling the pull tab moves the base, allowing the two zipper strips to open and close. Some sliders consist of a metal component and an injection-molded part. The metal component is connected to the base and is made of a durable material. The injection-molded part is then post-assembled to the metal component, which increases the length of the slider, making it easier to use and saving costs. However, in existing post-assembled sliders, the connection between the injection-molded part and the metal component is not strong enough, and the two parts can easily separate when pulled, resulting in poor slider quality.

[0003] Therefore, it is necessary to provide a post-assembly pull tab and a corresponding pull head to solve the above technical problems. Utility Model Content

[0004] The utility model provides a post-assembly pull tab and a corresponding pull head, which are unlikely to cause separation of metal parts and injection molded parts when the extension strip is pulled, thereby improving product quality.

[0005] The technical solution of the utility model is:

[0006] A post-assembly pull tab, comprising:

[0007] The metal part comprises a connecting ring and a first connecting block arranged along a first direction; the connecting ring is used to be connected to the base of the slider; the first connecting block is provided with a first accommodating groove, the first accommodating groove passes through two side surfaces of the first connecting block located in the second direction, the first accommodating groove is provided with a first loading opening, the first loading opening is provided on the side surface of the first connecting block located in the third direction, and the first direction, the second direction and the third direction are perpendicular to each other; a first limiting strip is provided on the side wall of the first accommodating groove, the first limiting strip is located on the side of the first loading opening close to the connecting ring, and the first limiting strip is spaced apart from the bottom wall of the first accommodating groove; the first connecting block is provided with a first protrusion, the first protrusion is located on the side of the first accommodating groove away from the connecting ring, and the first protrusion is connected to the first accommodating groove;

[0008] The injection molded part includes a second connecting block and an extension strip arranged along a first direction; the second connecting block is provided with a second accommodating groove, the second accommodating groove passes through the two side surfaces of the second connecting block in the second direction, the second accommodating groove is provided with a second loading port, the second loading port is provided on the side surface of the second connecting block in the third direction, the first protrusion is detachably arranged in the second accommodating groove; the second connecting block is provided with a second protrusion, the second protrusion is located on the side of the second accommodating groove away from the extension strip, the second protrusion is connected to the second accommodating groove, and the second protrusion is detachably arranged in the first accommodating groove; a first limiting groove is provided on the second protrusion, the first limiting groove is located between the side surface of the second protrusion facing away from the extension strip and the side surface of the second protrusion facing away from the second accommodating groove, and the first limiting strip is detachably arranged in the first limiting groove; the bottom wall of the first accommodating groove, the bottom wall of the second accommodating groove, the side surface of the first protrusion and the side surface of the second protrusion form a snap-fit ​​groove, the two ends of the snap-fit ​​groove in the second direction are open, and the side surface of the first protrusion and the side surface of the second protrusion are arranged opposite to each other in the first direction; and,

[0009] The clamping column is detachably disposed in the clamping groove along the second direction and is clamped between the side surface of the first protrusion and the side surface of the second protrusion.

[0010] In the rear assembly pull tab described in the present invention, a second limiting strip is provided on the side wall of the second accommodating groove, the second limiting strip is located on the side of the second loading port close to the extension strip, and the second limiting strip is spaced apart from the bottom wall of the second accommodating groove; a second limiting groove is provided on the first protrusion, the second limiting groove is located at the end of the first protrusion away from the connecting ring, the second limiting groove is between the side of the first protrusion facing away from the connecting ring and the side of the first protrusion facing away from the first accommodating groove, and the second limiting strip is detachably provided in the second limiting groove.

[0011] In the rear assembly pull tab of the present invention, the rear assembly pull tab further includes an annular fastening sleeve, which is detachably sleeved on the connection between the second limiting strip and the second limiting groove.

[0012] In the rear assembly pull tab described in the present invention, a positioning groove is provided on the first limiting strip, and the positioning groove passes through the two side surfaces of the first limiting strip located in the third direction and the side surface located in the first direction; a positioning block is provided in the first limiting groove, and the positioning block is detachably arranged in the positioning groove.

[0013] In the rear assembly pull tab of the present invention, the positioning groove is located in the middle of the first limiting strip along the second direction; the positioning block is interference-fitted with the positioning groove.

[0014] In the rear assembly pull tab described in the present invention, the cross-section of the snap-fit ​​groove is square; the snap-fit ​​column is square column-shaped, and its four side surfaces are respectively attached to the bottom wall of the first accommodating groove, the bottom wall of the second accommodating groove, the side surface of the first protrusion and the side surface of the second protrusion.

[0015] In the rear assembly pull tab of the present invention, the cross section of the clamping groove is a rhombus or a hexagon, and the cross section of the clamping column is a rhombus or a hexagon matching the clamping groove.

[0016] In the rear assembly pull tab of the present invention, the second connecting block and the extension strip are integrally injection-molded.

[0017] In the rear-assembly pull tab described in the present invention, the first connecting block, the second connecting block and the extension strip are all long strips of plate-like shape, the axial direction of the connecting ring, the thickness direction of the first connecting block, the thickness direction of the second connecting block and the thickness direction of the extension strip are all the third direction, the length direction of the first connecting block, the length direction of the second connecting block and the length direction of the extension strip are all the first direction, and the width direction of the first connecting block, the width direction of the second connecting block and the width direction of the extension strip are all the second direction.

[0018] Another technical solution of the utility model is:

[0019] A slider, comprising:

[0020] base; and,

[0021] In the above-mentioned post-assembly pull tab, the connecting ring is connected to the base.

[0022] Compared with the prior art, the present invention has the following beneficial effects: in the post-assembly pull tab and corresponding slider of the present invention, because the side surfaces of the first protrusion and the second protrusion are arranged relative to each other in the first direction, and the clamping column is clamped therebetween, the metal component and the injection molded part cannot move relative to each other in the first direction, thereby preventing the first limiting strip from separating from the first limiting groove, and further preventing the metal component and the injection molded part from separating. In the post-assembly pull tab and slider of the present invention, the metal component and the injection molded part are not easily separated when the extension strip is pulled, thereby improving product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. The drawings described below are only drawings corresponding to some embodiments of the present invention.

[0024] Figure 1This is a structural schematic diagram of a slider provided in the first preferred embodiment of the present invention.

[0025] Figure 2 This is a schematic diagram of the exploded structure of the slider provided in the first preferred embodiment of the present invention.

[0026] Figure 3 This is a structural schematic diagram of a post-assembly pull tab provided in the first preferred embodiment of the present utility model.

[0027] Figure 4 This is a structural schematic diagram of the rear assembly pull tab provided by the first preferred embodiment of the present utility model from another angle.

[0028] Figure 5 This is a schematic structural diagram of the metal parts of the slider provided in the first preferred embodiment of the present invention.

[0029] Figure 6 This is a schematic structural diagram of an injection molded part of a slider provided in a first preferred embodiment of the present invention.

[0030] Figure 7 This is a schematic structural diagram of the metal parts and injection molded parts of the slider provided in the first preferred embodiment of the present invention.

[0031] Figure 8 This is a schematic structural diagram of a slider provided in the second preferred embodiment of the present invention.

[0032] Figure 9 This is a schematic diagram of the exploded structure of a slider provided in the second preferred embodiment of the present invention.

[0033] in,

[0034] 1. After assembling the pull tab,

[0035] 11. Metal parts,

[0036] 111, connecting ring,

[0037] 112, first connecting block, 1121, first receiving groove, 11211, first loading port, 1122, first limiting strip, 11221, positioning groove, 1123, first protrusion, 11231, second limiting groove,

[0038] 12. Injection molded parts,

[0039] 121, second connecting block, 1211, second receiving groove, 12111, second loading port, 1212, second protrusion, 12121, first limiting groove, 1213, second limiting strip, 1214, positioning block,

[0040] 122. Extended strip,

[0041] 13. Snap-on column,

[0042] 14. Fastening sleeve,

[0043] 15. Card slot,

[0044] 2. Base.

[0045] In the figures, structurally similar elements are denoted by the same reference numerals. DETAILED DESCRIPTION

[0046] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0047] Directional terms mentioned in this invention, such as "upper", "lower", "front", "back", "left", "right", "inside", "outside", "side", "top" and "bottom", are only used with reference to the directions of the drawings. The directional terms used are used to illustrate and understand the invention, and are not intended to limit the invention.

[0048] The terms "first" and "second" in the present invention are used for descriptive purposes only and should not be understood as indicating or implying relative importance, nor as limiting the order of precedence.

[0049] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0050] In the prior art post-assembly pull tab, the connection between the injection molded part and the metal part is not strong enough, and the two are easily separated when the injection molded part is pulled, resulting in poor quality of the pull tab.

[0051] The following is a preferred embodiment of a slider provided by the present invention that can solve the above technical problems.

[0052] Please refer to Figure 1 A preferred embodiment of the present invention provides a slider, which includes a base 2 and a rear assembly pull tab 1.

[0053] Please refer to Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 7 , the pull tab 1 is assembled to include a metal part 11, an injection molded part 12 and a clamping column 13. The metal part 11 includes a first direction ( Figure 3 The connecting ring 111 and the first connecting block 112 are arranged in the x direction (same below). The connecting ring 111 is connected to the base 2. The first connecting block 112 is provided with a first receiving groove 1121, which penetrates the first connecting block 112 and is located in the second direction ( Figure 3 The first receiving groove 1121 is provided with a first loading port 11211, and the first loading port 11211 is provided on the first connecting block 112 in the third direction ( Figure 4 The first direction, the second direction and the third direction are perpendicular to each other. A first limiting strip 1122 is provided on the side wall of the first receiving groove 1121. The first limiting strip 1122 is located on the side of the first loading port 11211 close to the connecting ring 111. The first limiting strip 1122 is spaced apart from the bottom wall of the first receiving groove 1121. The first connecting block 112 is provided with a first protrusion 1123. The first protrusion 1123 is located on the side of the first receiving groove 1121 away from the connecting ring 111. The first protrusion 1123 is connected to the first receiving groove 1121.

[0054] The injection molded part 12 includes a second connecting block 121 and an extension strip 122 arranged along the first direction. The second connecting block 121 is provided with a second receiving groove 1211, which extends through both sides of the second connecting block 121 in the second direction. The second receiving groove 1211 is provided with a second loading port 12111, which is located on the side of the second connecting block 121 in the third direction. The first protrusion 1123 is removably disposed in the second receiving groove 1211. The second connecting block 121 is provided with a second protrusion 1212, which is located on the side of the second receiving groove 1211 away from the extension strip 122. The second protrusion 1212 is connected to the second receiving groove 1211 and is removably disposed in the first receiving groove 1121. The second protrusion 1212 is provided with a first limiting groove 12121, which is located between the side of the second protrusion 1212 facing away from the extension strip 122 and the side of the second protrusion 1212 facing away from the second receiving groove 1211. The first limiting strip 1122 is detachably disposed in the first limiting groove 12121. The bottom wall of the first receiving groove 1121, the bottom wall of the second receiving groove 1211, the side surface of the first protrusion 1123, and the side surface of the second protrusion 1212 form a snap-fitting groove 15. The snap-fitting groove 15 is open at both ends in the second direction. The side surface of the first protrusion 1123 and the side surface of the second protrusion 1212 are arranged opposite each other in the first direction.

[0055] The clamping post 13 is detachably disposed in the clamping slot 15 along the second direction and is clamped between the side surface of the first protrusion 1123 and the side surface of the second protrusion 1212 .

[0056] During assembly of the post-assembly pull tab 1 and slider of the present invention, the first protrusion 1123 is placed through the first loading port 11211 into the second receiving groove 1211, and the second protrusion 1212 is placed through the second loading port 12111 into the first receiving groove 1121. The metal component 11 and the injection molded component 12 are then moved toward each other in the first direction, so that the first limiting strip 1122 is inserted into the first limiting groove 12121 in the first direction, forming a snap-fit ​​groove 15. The snap-fit ​​post 13 is then inserted into the snap-fit ​​groove 15 in the second direction, completing the assembly. Because the side surfaces of the first protrusion 1123 and the side surfaces of the second protrusion 1212 are positioned relative to each other in the first direction, and the snap-fit ​​post 13 is clamped therebetween, the metal component 11 and the injection molded component 12 cannot move relative to each other in the first direction, thereby preventing the first limiting strip 1122 from disengaging from the first limiting groove 12121, and thus preventing the metal component 11 and the injection molded component 12 from separating. The post-assembly pull tab 1 and the pull head of the utility model are unlikely to cause the metal part 11 and the injection molded part 12 to separate when the extension strip 122 is pulled, thereby improving product quality.

[0057] Please refer to Figure 5 and Figure 6, please combine Figure 1 A second limiting strip 1213 is provided on the side wall of the second receiving groove 1211. The second limiting strip 1213 is located on the side of the second loading port 12111 close to the extension strip 122. The second limiting strip 1213 is spaced apart from the bottom wall of the second receiving groove 1211. A second limiting groove 11231 is provided on the first protrusion 1123. The second limiting groove 11231 is located at the end of the first protrusion 1123 away from the connecting ring 111. The second limiting groove 11231 is located between the side of the first protrusion 1123 facing away from the connecting ring 111 and the side of the first protrusion 1123 facing away from the first receiving groove 1121. The second limiting strip 1213 is detachably provided in the second limiting groove 11231. Since the side surface of the first protrusion 1123 and the side surface of the second protrusion 1212 are arranged relative to each other in the first direction, and the clamping column 13 is clamped between the two, the metal part 11 and the injection molded part 12 cannot move relative to each other in the first direction, so that the second limiting strip 1213 cannot be separated from the second limiting groove 11231, further making it difficult for the metal part 11 and the injection molded part 12 to be separated.

[0058] Please refer to Figure 5 and Figure 6 , please combine Figure 1 The first limiting strip 1122 is provided with a positioning groove 11221, which passes through the two side surfaces of the first limiting strip 1122 located in the third direction and the side surface located in the first direction. A positioning block 1214 is provided in the first limiting strip 12121, and the positioning block 1214 is detachably disposed in the positioning groove 11221. The cooperation between the positioning block 1214 and the positioning groove 11221 prevents the second connecting block 121 from moving relative to the first connecting block 112 in the second direction, thereby making it difficult for the metal part 11 and the injection molded part 12 to separate.

[0059] Please refer to Figure 5 and Figure 6 The positioning groove 11221 is located in the middle of the first limiting strip 1122 along the second direction, and the positioning block 1214 is interference-fitted with the positioning groove 11221. With the above structure, the two parts of the first limiting strip 1122 separated by the positioning groove 11221 can maintain strong structural strength.

[0060] Please refer to Figure 1 and Figure 2 The cross-section of the engaging groove 15 is square. The engaging post 13 is a square column, with its four sides respectively contacting the bottom wall of the first receiving groove 1121, the bottom wall of the second receiving groove 1211, the side surface of the first protrusion 1123, and the side surface of the second protrusion 1212. This structure facilitates processing and manufacturing. The cross-section of the engaging groove 15 can be square, which reduces the difficulty of identifying the installation orientation during assembly.

[0061] In other embodiments, the cross-section of the engaging groove 15 can be a rhombus or hexagon, and the cross-section of the engaging post 13 can be a rhombus or hexagon matching the engaging groove 15. With this structure, the relative movement of the metal component 11 and the injection molded component 12 can be restricted in the third direction, making the connection more reliable. Thus, even without the second limiting strip 1213, the rear end cannot be disengaged.

[0062] Please refer to Figure 3 The second connecting block 121 and the extension strip 122 are integrally injection molded so that the two are firmly connected.

[0063] Please refer to Figure 1 、 Figure 5 and Figure 6 The first connecting block 112, the second connecting block 121, and the extension strip 122 are all in the shape of long strips. The axial direction of the connecting ring 111, the thickness direction of the first connecting block 112, the thickness direction of the second connecting block 121, and the thickness direction of the extension strip 122 are all in the third direction. The length direction of the first connecting block 112, the length direction of the second connecting block 121, and the length direction of the extension strip 122 are all in the first direction. The width direction of the first connecting block 112, the width direction of the second connecting block 121, and the width direction of the extension strip 122 are all in the second direction. With the above structure, the post-assembly pull tab 1 is in the shape of a long thin strip as a whole, which is convenient for use.

[0064] The assembly process of the rear assembly pull tab 1 of the first preferred embodiment of the present invention is as follows:

[0065] Place the first protrusion 1123 in the second accommodating groove 1211 through the first loading port 11211, and place the second protrusion 1212 in the first accommodating groove 1121 through the second loading port 12111. Then move the metal part 11 and the injection molded part 12 closer to each other along the first direction, so that the first limiting strip 1122 is inserted into the first limiting groove 12121 along the first direction, the second limiting strip 1213 is inserted into the second limiting groove 11231 along the first direction, and the positioning block 1214 is inserted into the positioning groove 11221. At this time, a snap-fit ​​groove 15 is formed, and the snap-fit ​​column 13 can be inserted into the snap-fit ​​groove 15 along the second direction.

[0066] This completes the assembly process of the post-assembly pull tab 1 of the preferred embodiment.

[0067] Please refer to Figure 8 and Figure 9The second preferred embodiment of the slider provided by the present invention differs from the first embodiment in that the post-assembly pull tab 1 further includes an annular securing sleeve 14, which is removably mounted at the junction of the second limiting strip 1213 and the second limiting groove 11231. When the extension strip 122 is pulled, the securing sleeve 14 secures the second limiting strip 1213 in the second limiting groove 11231, further preventing the metal component 11 and the injection molded component 12 from separating.

[0068] The other structures of this embodiment are the same as those of the first embodiment and will not be described again here.

[0069] When assembling the rear-assembly pull tab and slider of the present invention, the first protrusion is placed in the second receiving groove through the first loading port, and the second protrusion is placed in the first receiving groove through the second loading port. The metal part and the injection molded part are then moved closer to each other along the first direction, so that the first limiting strip is inserted into the first limiting groove along the first direction. At this time, a snap-in groove is formed, and the snap-in column is inserted into the snap-in groove along the second direction to complete the assembly. Since the side surfaces of the first protrusion and the side surfaces of the second protrusion are arranged relative to each other in the first direction, and the snap-in column is clamped between the two, the metal part and the injection molded part cannot move relative to each other in the first direction, so that the first limiting strip cannot be separated from the first limiting groove, and thus the metal part and the injection molded part are not easily separated. The rear-assembly pull tab and slider of the present invention is not easy to cause the metal part and the injection molded part to separate when the extension strip is pulled, thereby improving product quality.

[0070] To sum up, although the present invention has been disclosed as above in terms of preferred embodiments, the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent substitutions or changes based on the concept of the technical solution of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A post-assembly pull tab, characterized in that: include: A metal member comprising a connecting ring and a first connecting block arranged along a first direction; The connecting ring is used to be connected to the base of the slider; the first connecting block is provided with a first accommodating groove, the first accommodating groove passes through the two side surfaces of the first connecting block in the second direction, the first accommodating groove is provided with a first loading opening, the first loading opening is arranged on the side of the first connecting block in the third direction, and the first direction, the second direction and the third direction are perpendicular to each other; a first limiting strip is provided on the side wall of the first accommodating groove, the first limiting strip is located on the side of the first loading opening close to the connecting ring, and the first limiting strip is spaced apart from the bottom wall of the first accommodating groove; the first connecting block is provided with a first protrusion, the first protrusion is located on the side of the first accommodating groove away from the connecting ring, and the first protrusion is connected to the first accommodating groove; The injection molded part includes a second connecting block and an extension strip arranged along a first direction; the second connecting block is provided with a second accommodating groove, the second accommodating groove passes through the two side surfaces of the second connecting block in the second direction, the second accommodating groove is provided with a second loading port, the second loading port is provided on the side surface of the second connecting block in the third direction, the first protrusion is detachably arranged in the second accommodating groove; the second connecting block is provided with a second protrusion, the second protrusion is located on the side of the second accommodating groove away from the extension strip, the second protrusion is connected to the second accommodating groove, and the second protrusion is detachably arranged in the first accommodating groove; a first limiting groove is provided on the second protrusion, the first limiting groove is located between the side surface of the second protrusion facing away from the extension strip and the side surface of the second protrusion facing away from the second accommodating groove, and the first limiting strip is detachably arranged in the first limiting groove; the bottom wall of the first accommodating groove, the bottom wall of the second accommodating groove, the side surface of the first protrusion and the side surface of the second protrusion form a snap-fit ​​groove, the two ends of the snap-fit ​​groove in the second direction are open, and the side surface of the first protrusion and the side surface of the second protrusion are arranged opposite to each other in the first direction; and, The clamping column is detachably disposed in the clamping groove along the second direction and is clamped between the side surface of the first protrusion and the side surface of the second protrusion.

2. The post-assembly pull tab according to claim 1, wherein: A second limiting strip is provided on the side wall of the second accommodating groove, the second limiting strip is located on the side of the second loading port close to the extension strip, and the second limiting strip is spaced apart from the bottom wall of the second accommodating groove; a second limiting groove is provided on the first protrusion, the second limiting groove is located at the end of the first protrusion away from the connecting ring, the second limiting groove is between the side of the first protrusion facing away from the connecting ring and the side of the first protrusion facing away from the first accommodating groove, and the second limiting strip is detachably provided in the second limiting groove.

3. The post-assembly pull tab according to claim 2, wherein: The post-assembly pull tab further includes an annular fastening sleeve, which is detachably sleeved on the connection between the second limiting strip and the second limiting groove.

4. The post-assembly pull tab according to claim 1, wherein: A positioning groove is provided on the first limiting strip, and the positioning groove passes through the two side surfaces of the first limiting strip located in the third direction and the side surface located in the first direction; a positioning block is provided in the first limiting strip, and the positioning block is detachably provided in the positioning groove.

5. The post-assembly pull tab according to claim 4, characterized in that: The positioning groove is located in the middle of the first limiting strip along the second direction; the positioning block is interference-fitted with the positioning groove.

6. The post-assembly pull tab according to claim 1, wherein: The cross section of the clamping groove is square; the clamping column is a square column, and its four sides are respectively attached to the bottom wall of the first accommodating groove, the bottom wall of the second accommodating groove, the side surface of the first protrusion and the side surface of the second protrusion.

7. The post-assembly pull tab according to claim 1, wherein: The cross section of the clamping groove is a rhombus or a hexagon, and the cross section of the clamping column is a rhombus or a hexagon matching the clamping groove.

8. The post-assembly pull tab according to claim 1, wherein: The second connecting block and the extension strip are integrally injection-molded.

9. The post-assembly pull tab according to any one of claims 1 to 8, characterized in that: The first connecting block, the second connecting block and the extension strip are all in the shape of long strips, the axial direction of the connecting ring, the thickness direction of the first connecting block, the thickness direction of the second connecting block and the thickness direction of the extension strip are all the third direction, the length direction of the first connecting block, the length direction of the second connecting block and the length direction of the extension strip are all the first direction, and the width direction of the first connecting block, the width direction of the second connecting block and the width direction of the extension strip are all the second direction.

10. A slider, characterized in that: include: base; as well as, The post-assembly pull tab according to any one of claims 1 to 9, wherein the connecting ring is connected to the base.

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