CN204191750U - Invisible zipper head combined structure for improving positioning effect and sliding part thereof - Google Patents

Abstract

The utility model provides an invisible zipper head assembly structure and a sliding member for improving positioning effect; the invisible zipper head assembly structure includes a sliding member and a pulling member; the sliding member has a base portion, a first side stop portion, a second side stop portion, and a base portion. The side block part, the base part and the locking hook part, and one end of the locking hook part has a positioning part that passes through the through positioning opening; the pulling part can movably cooperate with the locking hook part; wherein, the first side A first thickness between the first inner surface and the first outer surface of the baffle is less than a second thickness between the second inner surface and the second outer surface of the second side baffle; the first center line of symmetry passes through locating a geometric center point of the opening, and the second center line of symmetry of the base portion is horizontally offset by a predetermined amount relative to the first center line of symmetry along a horizontal direction from the second side stop portion toward the first side stop portion. Horizontal offset.

Description

Invisible zipper head combination structure and its sliding parts for improving positioning effect

technical field

The utility model relates to an invisible zipper pull combination structure and a sliding part thereof, in particular to an invisible zipper pull combination structure and a sliding part for improving the positioning effect.

Background technique

The basic closure components of common clothing are nothing more than the use of buttons or zipper structures. Compared with buttons, the zipper structure has better usability and stronger structural characteristics. The general zipper structure has a zipper puller and a zipper tape. The zipper structure will be more popular in clothing and accessories in the future. However, the positioning effect of the known zipper pull on the zipper tape is not good. Therefore, how to improve the positioning effect of the zipper puller on the zipper tape by means of the improvement of the structural design has become one of the important issues to be solved by this project.

Utility model content

The technical problem to be solved by the utility model is to provide a combination structure of invisible zipper sliders and its sliding parts for improving the positioning effect in view of the deficiencies of the prior art.

The technical problem to be solved by the utility model is achieved through the following technical solutions:

The utility model relates to an invisible zipper slider combined structure for improving the positioning effect, which includes: a sliding part and a pulling part; the sliding part has a base part, a first side stop part, a second side stop part, A base part and a locking hook part, wherein the first side stop part and the second side stop part respectively extend upwards from two opposite side ends of the base part, the first side stop part and the The second side stoppers correspond to each other and are connected to a front end of the base portion, the base portion is disposed on the base portion and connected to a rear end of the base portion, the base portion There is a through-type positioning opening between the first side stopper and the second side stopper, the lock hook part is movably arranged on the base part, and the lock hook part One end has a positioning part passing through the through-type positioning opening; the pulling part is movably matched with the locking hook part; wherein, the first side blocking part has a first inner surface and a a first outer surface opposite to the first inner surface, the second side stopper has a second inner surface corresponding to the first inner surface and a second inner surface corresponding to the second inner surface On the opposite second outer surface, a first thickness between the first inner surface of the first side stopper and the first outer surface is smaller than the second inner side of the second side stopper A second thickness between the surface and the second outer surface; wherein the base portion has a first centerline of symmetry, the base portion has a second centerline of symmetry, and the first centerline of symmetry Passing through a geometric center point of the through-type positioning opening, the second centerline of symmetry of the base portion is relative to the first centerline of symmetry along a direction from the second side stop portion toward the The horizontal direction of the first side stop part is horizontally offset by a predetermined horizontal offset amount.

The utility model further provides a sliding part for improving the positioning effect, which includes: a base part, a first side stop part, a second side stop part, a base part and a locking hook part; wherein, The first side stopper and the second side stopper respectively extend upwards from two opposite side ends of the base part, the first side stopper and the second side stopper correspond to each other and are connected to a front end portion of the base portion, the base portion is disposed on the base portion and connected to a rear end portion of the base portion, the base portion has a The through-type positioning opening between the second side blocking parts, the lock hook part is movably arranged on the base part, and one end of the lock hook part has a through-type positioning opening A positioning portion for positioning the opening; wherein, the first side baffle has a first inner surface and a first outer surface opposite to the first inner surface, and the second side baffle has a A second inner surface corresponding to the first inner surface and a second outer surface opposite to the second inner surface, the first inner surface of the first side stop part and the first inner surface a first thickness between the outer surfaces is smaller than a second thickness between the second inner surface and the second outer surface of the second side stop portion; wherein the base portion has a first symmetry Centerline, the base portion has a second centerline of symmetry, the first centerline of symmetry passes through a geometric center point of the through-type positioning opening, the second centerline of symmetry of the base portion is opposite to The first symmetrical centerline is horizontally offset by a predetermined horizontal offset along a horizontal direction from the second side stopper to the first side stopper.

The utility model further provides an invisible slider combination structure for improving the positioning effect. The invisible slider combination structure is arranged on a zipper tooth with a first zipper rack and a second zipper rack that cooperate with each other. Structurally, the combined structure of the invisible zipper slider includes: a sliding part and a pulling part; the sliding part has a base part, a first side stop part, a second side stop part, a base part and a lock The hook piece, wherein the first side stop part and the second side stop part respectively extend upwards from two opposite side ends of the base part, and the first side stop part and the second side stop part mutually mutually Corresponding to and connected to a front end portion of the base portion, the base portion is disposed on the base portion and connected to a rear end portion of the base portion, the base portion has a A penetrating positioning opening between the side stopper and the second side stopper, the lock hook part is movably arranged on the base part, and one end of the lock hook part has a through The positioning part of the through-type positioning opening. The pulling member is movably engaged with the locking hook member. Wherein, the first side stopper has a first inner surface and a first outer surface opposite to the first inner surface, and the second side stopper has a first inner surface opposite to the first inner surface. A corresponding second inner surface and a second outer surface opposite to the second inner surface, a part between the first inner surface and the first outer surface of the first side stopper The first thickness is smaller than a second thickness between the second inner surface and the second outer surface of the second side stop portion; wherein, the base portion has a first centerline of symmetry, and the base portion The seat portion has a second centerline of symmetry, the first centerline of symmetry passes through a geometric center point of the through-type positioning opening, the second centerline of symmetry of the base portion is symmetrical to the first The centerline is horizontally offset by a predetermined horizontal offset along a horizontal direction from the second side stopper toward the first side stopper; wherein, the first zipper rack includes a first zipper tooth The carrier and a plurality of first zipper teeth fixed on the first zipper tooth carrier, the second zipper rack includes a second zipper tooth carrier and a plurality of zipper teeth fixed on the second zipper tooth carrier One of the first zipper teeth is fastened between two of the second zipper teeth to form a gap for the positioning part to be inserted into.

The beneficial effect of the utility model can be that, the utility model can be smaller than the first thickness between the first inner surface and the first outer surface of the first side dam part than the second side dam A second thickness between the second inner surface and the second outer surface of the portion" and "the first centerline of symmetry will pass through a geometric center point of the through-type positioning opening, and the base The second centerline of symmetry of the seat is horizontally offset relative to the first centerline of symmetry along a horizontal direction from the second side stopper toward the first side stopper shift a predetermined horizontal offset", so the overall structure of the zipper teeth will be slightly shifted toward the direction of the first side stop, so that the through-type positioning opening will not be covered, but can be accurately on the gap. Therefore, when the positioning part passes through the through-type positioning opening to be locked in the gap, the combined structure of the invisible zipper slider can be accurately positioned in the gap through the cooperation of the positioning part and the gap. The above zipper tooth structure.

In order to further understand the features and technical contents of the present utility model, please refer to the following detailed description and accompanying drawings of the present utility model. However, the accompanying drawings are only for reference and illustration, and are not intended to limit the present utility model.

Description of drawings

Fig. 1 is the three-dimensional schematic diagram of the sliding part of the present utility model;

Fig. 2 is the schematic sectional view of the A-A section line of Fig. 1;

Fig. 3 is a schematic front view of the sliding part of the present invention;

Fig. 4 is the three-dimensional schematic view of the lock hook part of the present utility model;

Fig. 5 is a three-dimensional schematic diagram of the combined structure of the invisible slider of the utility model;

Fig. 6 is a schematic diagram of the invisible zipper slider assembly structure of the present invention sliding on the zipper tooth structure;

FIG. 7 is an enlarged schematic view of the positioning part of the present invention inserted into the gap.

[Description of Reference Signs]

Invisible zipper combination structure Z

sliding part 1 base part 10

                                                           

Rear end 102

                                                 

The first inner surface

First major inner surface

                                                           

                                                     

Second side gear 12

Two internal surface 121

Second main inner surface 1211

                                                                               

Second outer surface 122

                                                                               

                                                           

                                                                       

Positioning Department 140

                                                                         

Pulling piece 2 end part 20

Movable parts 21

Zipper tooth structure 3 1st zipper rack 31

                                                                                      

                                                                                                                       , 

                                                                                                             

Second zipper tooth bearer 320

                                                                                

First Thickness H1 First Major Thickness H11

The first time thickness H12

Second thickness H2 Second major thickness H21

The second key thickness H22

The first symmetrical center line L1

The second symmetrical center line L2

Geometric center point P

Predetermined horizontal offset S

Clearance g

Detailed ways

The following is to illustrate the implementation of the "invisible zipper slider assembly structure and its sliding parts for improving the positioning effect" described in the utility model with the help of specific examples. Those of ordinary skill in the art can understand from the contents of this specification Advantage and effect of the utility model. The utility model can be implemented or applied by means of other different specific embodiments, and various modifications and changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the utility model. In addition, the accompanying drawings of the present utility model are only for simple illustration, and are not drawn according to the actual size, which is hereby declared. The following embodiments will further describe the relevant technical contents of the present utility model in detail, but the recorded content is not intended to limit the protection scope of the claims of the present utility model.

Please refer to Fig. 1 to Fig. 4, the utility model provides a kind of slider 1 (or slider, zipper slider) for improving the positioning effect, which includes: a base part 10, a first side stop part 11 , a second side blocking portion 12 , a base portion 13 and a locking hook member 14 .

First, as shown in FIG. 1 , FIG. 2 and FIG. 3 , the first side stopper 11 and the second side stopper 12 extend upwards from opposite side ends of the base part 10 respectively, and the first side stopper 11 and the second side stopper The side blocking portions 12 correspond to each other and are connected to a front end portion 101 of the base portion 10 . The base portion 13 is disposed on the base portion 10 and connected to a rear end portion 102 of the base portion 10, and the base portion 13 has a through-type positioning between the first side guard portion 11 and the second side guard portion 12. Opening 130 . The hook member 14 is movably disposed on the base portion 13 , and one end of the hook member 14 has a positioning portion 140 passing through the through-type positioning opening 130 . For example, the hook member 14 can be pivotally disposed on the base portion 13 .

Furthermore, as shown in FIG. 2 and FIG. 3 , the first side stopper 11 has a first inner surface 111 and a first outer surface 112 opposite to the first inner surface 111, and the second side stopper 12 It has a second inner surface 121 corresponding to the first inner surface 111 and a second outer surface 122 opposite to the second inner surface 121 . In addition, a first thickness H1 between the first inner surface 111 and the first outer surface 112 of the first side blocking portion 11 is smaller than that between the second inner surface 121 and the second outer surface 122 of the second side blocking portion 12 . a second thickness H2.

Furthermore, as shown in FIG. 2 and FIG. 3, the first inner surface 111 of the first side stopper 11 is divided into a first main inner surface 1111 and a first minor inner surface 1112, and the second side stopper The second inner surface 121 of 12 is divided into a second major inner surface 1211 facing the first major inner surface 1111 and a second minor inner surface 1212 facing the first minor inner surface 1112 . Wherein, as shown in FIG. 2 or FIG. 3 , a first main thickness H11 between the first main inner surface 1111 and the first outer surface 112 of the first side stopper 11 will be smaller than the second main thickness H11 of the second side stopper 12 . A second main thickness H21 between the main inner surface 1211 and the second outer surface 122 . In addition, as shown in FIG. 2 or FIG. 3 , a secondary thickness H12 between the first secondary inner surface 1112 and the first outer surface 112 of the first side dam 11 will be smaller than that of the second side dam 12 . A second minor thickness H22 between the second minor inner surface 1212 and the second outer surface 122 .

Furthermore, as shown in FIG. 2 and FIG. 3 , the base portion 10 has a first symmetrical centerline L1 , and the base portion 13 has a second symmetrical centerline L2 . The first centerline of symmetry L1 passes through a geometric center point P of the through-type positioning opening 130 (as shown in FIG. 2 ), and the second centerline of symmetry L2 of the base portion 13 is in a manner relative to the first centerline of symmetry L1 , so as to shift horizontally by a predetermined horizontal shift amount S along a horizontal direction from the second side stop portion 12 toward the first side stop portion 11 . For example, the predetermined horizontal offset S of the second centerline of symmetry L2 of the base part 13 relative to the first centerline of symmetry L1 may comply with the following relationship: S=(H2-H1)/2, where S is the predetermined Horizontal offset, H1 is the first thickness, H2 is the second thickness.

It is worth mentioning that, as shown in FIG. 2 or FIG. 3 , if the first symmetrical center line L1 is used as the symmetric base line, the first outer surface 112 of the first side stopper 11 and the second side of the second side stopper 12 The outer surface 122 is symmetrically disposed on two opposite ends of the first symmetrical central line L1. In addition, if the second center line of symmetry L2 is used as the symmetry base line, the first main inner surface 1111 of the first inner surface 111 of the first side stopper 11 and the second main inner surface 1111 of the second inner surface 121 of the second side stopper 12 The main inner surface 1211 will be symmetrically arranged on two opposite ends of the second symmetrical centerline L2, or the first minor inner surface 1112 of the first inner surface 111 of the first side stopper 11 and the second side stopper 12 of the second side stopper 11. The second minor inner surface 1212 of the second inner surface 121 is symmetrically disposed on two opposite ends of the second symmetrical central line L2. Furthermore, as shown in FIG. 2 , FIG. 3 and FIG. 4 , one side of the positioning portion 140 of the locking hook member 14 has a dodging cut edge 1400 that produces a depression along the opposite direction to the horizontal direction, so that the positioning portion 140 It will deviate from the second centerline of symmetry L2 and approach the first centerline of symmetry L1 (as shown in FIG. 3 ).

Please refer to Fig. 5 to Fig. 7, the utility model provides an invisible zipper slider combination structure Z for improving the positioning effect, the invisible zipper slider combination structure Z is arranged on a first zipper rack 31 and On the zipper tooth structure 3 (or called zipper tape) of a second zipper rack 32 , the invisible zipper slider combined structure Z includes: a sliding part 1 and a pulling part 2 (or called a pull piece).

As shown in FIG. 1 , FIG. 5 and FIG. 6 , the slider 1 has a base part 10 , a first side stop part 11 , a second side stop part 12 , a base part 13 and a locking hook part 14 . Wherein, the first side guard portion 11 and the second side guard portion 12 respectively extend upwards from two opposite side ends of the base portion 10, and the first side guard portion 11 and the second side guard portion 12 correspond to each other and are connected to the base portion A front end 101 of 10 . The base portion 13 is disposed on the base portion 10 and connected to a rear end portion 102 of the base portion 10, and the base portion 13 has a through-type positioning between the first side guard portion 11 and the second side guard portion 12. Opening 130 . The hook member 14 is movably disposed on the base portion 13 , and one end of the hook member 14 has a positioning portion 140 passing through the through-type positioning opening 130 . The pulling member 2 is movably engaged with the locking hook member 14 . For example, one end portion 20 of the pulling member 2 has a movable member 21 movably engaging with the locking hook member 14 .

Furthermore, as shown in FIG. 6 and FIG. 7, the first zipper rack 31 includes a first zipper tooth carrier 310 and a plurality of first zipper teeth 311 fixed on the first zipper tooth carrier 310, and The second zipper rack 32 includes a second zipper element carrier 320 and a plurality of second zipper elements 321 fixed on the second zipper element carrier 320 . In addition, as shown in FIG. 7 , each first zipper tooth 311 is locked between two adjacent second zipper teeth 321 . When one of the first zipper teeth 311 is fastened between two of the second zipper teeth 321 to form a gap g, the gap g can be inserted into the positioning part 140, so the invisible zipper slider combination structure Z can pass through the positioning part 140 and The fit of the gap g is accurately positioned on the zipper tooth structure 3 .

To sum up, the beneficial effect of the present utility model can be that, as shown in FIG. 2 , the present utility model will Less than a second thickness H2 between the second inner surface 121 and the second outer surface 122 of the second side stopper 12" and "the first center line of symmetry L1 will pass through a geometric center point P of the through-type positioning opening 130, And the second centerline of symmetry L2 of the base portion 13 is offset horizontally along a horizontal direction from the second side dam 12 toward the first side dam 11 relative to the first symmetry center line L1 A predetermined horizontal offset S" is designed, so the overall zipper tooth structure 3 will be slightly offset towards the direction of the first side block 11, so that the through-type positioning opening 130 will not be covered, but can be accurately positioned in the gap g. Therefore, as shown in FIG. 7, when the positioning part 140 is inserted into the gap g through the through-type positioning opening 130, the invisible zipper slider assembly Z will be accurately positioned on the zipper teeth through the cooperation of the positioning part 140 and the gap g. Structure 3 on.

The above-mentioned content is only a preferred feasible embodiment of the utility model, and does not limit the protection scope of the claims of the utility model, so all equivalent technical changes made by using the utility model specification and accompanying drawings are included. Within the protection scope of the claims of the present utility model.

Claims (10)

1. A combination structure of invisible zipper sliders for improving positioning effect, characterized in that, the combined structure of invisible zipper sliders comprises: A sliding part, the sliding part has a base part, a first side stop part, a second side stop part, a base part and a locking hook part, wherein the first side stop part and the second side stop part The side stoppers respectively extend upwards from two opposite side ends of the base part, the first side stopper part and the second side stopper part correspond to each other and are connected to a front end part of the base part, the base part The seat part is arranged on the base part and is connected to a rear end part of the base part, and the base part has a through type between the first side stop part and the second side stop part. a positioning opening, the locking hook member is movably arranged on the base portion, and one end of the locking hook member has a positioning portion passing through the through-type positioning opening; and a pulling part, the pulling part is movably cooperating with the locking hook part; Wherein, the first side stopper has a first inner surface and a first outer surface opposite to the first inner surface, and the second side stopper has a first inner surface opposite to the first inner surface. A corresponding second inner surface and a second outer surface opposite to the second inner surface, a part between the first inner surface and the first outer surface of the first side stopper a first thickness less than a second thickness between the second inner surface and the second outer surface of the second sidestop; Wherein, the base portion has a first centerline of symmetry, the base portion has a second centerline of symmetry, the first centerline of symmetry passes through a geometric center point of the through-type positioning opening, and the base portion The second centerline of symmetry of the seat is horizontally offset relative to the first centerline of symmetry by a predetermined horizontal offset along a horizontal direction from the second side stopper toward the first side stopper quantity. 2. The combined structure of invisible zipper sliders for improving the positioning effect according to claim 1, characterized in that, the second centerline of symmetry of the base part is relative to the centerline of symmetry of the first centerline of symmetry. The predetermined horizontal offset complies with the following relationship: S=(H2-H1)/2, wherein S is the predetermined horizontal offset, H1 is the first thickness, and H2 is the second thickness, wherein the The first outer surface of the first side baffle and the second outer surface of the second side baffle are symmetrically arranged at two opposite ends of the first center line of symmetry, and the first side baffle The first inner surface of the first inner surface and the second inner surface of the second side stopper are symmetrically arranged at two opposite ends of the second center line of symmetry, wherein one of the positioning parts of the locking hook member One side has a dodging cut edge that is recessed along a direction opposite to the horizontal direction, so that the positioning portion deviates from the second centerline of symmetry and approaches the first centerline of symmetry. 3. The combined structure of invisible zipper sliders for improving the positioning effect as claimed in claim 1, wherein the first inner surface of the first side stop is divided into a first main inner surface and a first secondary inner surface, and the second inner surface of the second side stop is divided into a second major inner surface facing the first major inner surface and a second major inner surface facing the first minor inner surface secondary inner surface, wherein a first major thickness between the first major inner surface of the first side stop and the first outer surface is less than the second major thickness of the second side stop a second major thickness between the inner surface and the second outer surface, and a first minor thickness between the first minor inner surface and the first outer surface of the first sidestop The thickness is less than a second minor thickness between the second minor inner surface and the second outer surface of the second side stop. 4. A sliding part for improving the positioning effect, characterized in that the sliding part comprises: a base part, a first side stop part, a second side stop part, a base part and a locking hook part ; Wherein, the first side stop part and the second side stop part respectively extend upward from two opposite side ends of the base part, the first side stop part and the second side stop part correspond to each other and connected to a front end of the base portion, the base portion is disposed on the base portion and connected to a rear end portion of the base portion, the base portion has a part and the second side blocking part, the through-type positioning opening, the lock hook part is movably arranged on the base part, and one end of the lock hook part has a The positioning part of the through-type positioning opening; Wherein, the first side stopper has a first inner surface and a first outer surface opposite to the first inner surface, and the second side stopper has a first inner surface opposite to the first inner surface. A corresponding second inner surface and a second outer surface opposite to the second inner surface, a part between the first inner surface and the first outer surface of the first side stopper a first thickness less than a second thickness between the second inner surface and the second outer surface of the second sidestop; Wherein, the base portion has a first centerline of symmetry, the base portion has a second centerline of symmetry, the first centerline of symmetry passes through a geometric center point of the through-type positioning opening, and the base portion The second centerline of symmetry of the seat is horizontally offset relative to the first centerline of symmetry by a predetermined horizontal offset along a horizontal direction from the second side stopper toward the first side stopper quantity. 5. The slider for improving positioning effect according to claim 4, characterized in that, the predetermined horizontal deviation of the second centerline of symmetry of the base part relative to the first centerline of symmetry The displacement complies with the following relationship: S=(H2-H1)/2, wherein S is the predetermined horizontal offset, H1 is the first thickness, H2 is the second thickness, wherein the first side The first outer surface of the blocking portion and the second outer surface of the second side blocking portion are symmetrically arranged at two opposite ends of the first center line of symmetry, and the first side blocking portion The first inner surface and the second inner surface of the second side stopper are arranged symmetrically at two opposite ends of the second center line of symmetry, wherein one side of the positioning portion of the locking hook has a A dodging cut edge is recessed in a direction opposite to the horizontal direction, so that the positioning portion deviates from the second centerline of symmetry and approaches the first centerline of symmetry. 6. The sliding member for improving positioning effect according to claim 4, characterized in that, the first inner surface of the first side stop part is divided into a first main inner surface and a first secondary inner surface surface, and the second inner surface of the second side stop is divided into a second major inner surface facing the first major inner surface and a second minor inner surface facing the first minor inner surface surface, wherein a first major thickness between the first major inner surface and the first outer surface of the first side stop is less than the second major inner surface and a second major thickness between the second outer surfaces, and a first minor thickness between the first minor inner surface and the first outer surface of the first sidestop is less than the A second minor thickness between the second minor inner surface and the second outer surface of the second side stop. 7. A combination structure of invisible zipper sliders for improving the positioning effect, said combination structure of invisible zipper sliders is arranged on a zipper tooth structure with a first zipper rack and a second zipper rack cooperating with each other, its It is characterized in that the combined structure of the invisible zipper slider includes: A sliding part, the sliding part has a base part, a first side stop part, a second side stop part, a base part and a locking hook part, wherein the first side stop part and the second side stop part The side stoppers respectively extend upwards from two opposite side ends of the base part, the first side stopper part and the second side stopper part correspond to each other and are connected to a front end part of the base part, the base part The seat part is arranged on the base part and is connected to a rear end part of the base part, and the base part has a through type between the first side stop part and the second side stop part. a positioning opening, the locking hook member is movably arranged on the base portion, and one end of the locking hook member has a positioning portion passing through the through-type positioning opening; and a pulling part, the pulling part is movably cooperating with the locking hook part; Wherein, the first side stopper has a first inner surface and a first outer surface opposite to the first inner surface, and the second side stopper has a first inner surface opposite to the first inner surface. A corresponding second inner surface and a second outer surface opposite to the second inner surface, a part between the first inner surface and the first outer surface of the first side stopper a first thickness less than a second thickness between the second inner surface and the second outer surface of the second sidestop; Wherein, the base portion has a first centerline of symmetry, the base portion has a second centerline of symmetry, the first centerline of symmetry passes through a geometric center point of the through-type positioning opening, and the base portion The second centerline of symmetry of the seat is horizontally offset relative to the first centerline of symmetry by a predetermined horizontal offset along a horizontal direction from the second side stopper toward the first side stopper quantity; Wherein, the first zipper tooth bar includes a first zipper tooth carrier and a plurality of first zipper teeth fixed on the first zipper tooth carrier, and the second zipper tooth bar includes a second zipper tooth A carrier and a plurality of second zipper teeth fixed on the second zipper tooth carrier, wherein one of the first zipper teeth is fastened between two of the second zipper teeth to form a The gap where the positioning part is inserted. 8. The combined structure of invisible zipper sliders for improving the positioning effect according to claim 7, characterized in that, the second centerline of symmetry of the base part is relative to the centerline of symmetry of the first centerline of symmetry. The predetermined horizontal offset complies with the following relationship: S=(H2-H1)/2, wherein S is the predetermined horizontal offset, H1 is the first thickness, and H2 is the second thickness, wherein the The first outer surface of the first side baffle and the second outer surface of the second side baffle are symmetrically arranged at two opposite ends of the first center line of symmetry, and the first side baffle The first inner surface and the second inner surface of the second side stopper are symmetrically arranged at two opposite ends of the second center line of symmetry. 9. The combined structure of invisible zipper sliders for improving the positioning effect as claimed in claim 7, wherein one side of the positioning part of the locking hook has a direction along the direction opposite to the horizontal direction. The opposite direction produces a recessed dodging trim, so that the positioning portion deviates from the second centerline of symmetry and approaches the first centerline of symmetry. 10. The combined structure of invisible zipper sliders for improving positioning effect as claimed in claim 7, characterized in that, the first inner surface of the first side stop is divided into a first main inner surface and a first secondary inner surface, and the second inner surface of the second side stop is divided into a second major inner surface facing the first major inner surface and a second major inner surface facing the first minor inner surface secondary inner surface, wherein a first major thickness between the first major inner surface of the first side stop and the first outer surface is less than the second major thickness of the second side stop a second major thickness between the inner surface and the second outer surface, and a first minor thickness between the first minor inner surface and the first outer surface of the first sidestop The thickness is less than a second minor thickness between the second minor inner surface and the second outer surface of the second side stop.