TWM540531U - Zipper slider assembly structure and sliding components thereof - Google Patents

Description

Zipper head assembly structure and sliding assembly thereof

The present invention relates to a zipper head assembly structure and a sliding assembly thereof, and more particularly to a zipper head assembly structure having a movable hook member and a sliding assembly thereof.

The basic pull-in elements of common clothing are nothing more than the use of buttons or zippers. Compared with buttons, the zipper structure has better usability and stronger structural characteristics. The general zipper structure has a zipper head and a zipper tape. The zipper head is mainly used with the zipper tape as a zipper structure for reciprocating pulling of the connecting component. Therefore, the application of zipper structures in clothing and accessories will become more popular. However, the conventional zipper structure uses a unilaterally fixed sprocket member to provide a resilient force for the hook member to be reset, but the conventional unilaterally fixed sprocket member still has room for improvement in design.

The technical problem to be solved by the present invention is to provide a zipper head assembly structure and a sliding assembly thereof for the deficiencies of the prior art.

In order to solve the above technical problem, one of the technical solutions adopted by the present invention is to provide a zipper head assembly structure including: a sliding assembly and a pulling member. The sliding assembly has a base portion, a first side stop portion, a second side stop portion, a base portion, a cover sheet, a spring member and a hook member, wherein the first side stop portion and The second side stops respectively extend upward from opposite end sides of the base portion, and the first side stops and the second side stops 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 portion of the base portion, and the base portion has a first side stop portion and the second side stop portion Interpenetrating positioning opening, the covering piece is disposed at On the base portion, the spring member is disposed in the base portion and located between the cover sheet and the hook member, and the hook member is movably disposed on the base portion and The spring member is movably contacted, and one end of the hook member has a positioning portion passing through the through positioning opening. The pull member is movably mated with the hook member. Further, the spring member has a first contact end directly contacting the hook member and a second contact end with respect to the first contact end, and the cover sheet has a direct contact with the spring member a first end portion of the second contact end and a second end portion that is separated from the first end portion and from the hook member.

In order to solve the above technical problem, another technical solution adopted by the present invention is to provide a sliding assembly, comprising: a base portion, a first side stop portion, a second side stop portion, a base portion, and a base portion A cover sheet, a spring member and a hook member. The first side stop portion and the second side stop portion respectively extend upward from opposite end sides of the base portion, and the first side stop portion and the second side stop portion correspond to each other and Connecting 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, and the base portion has a first side block a through positioning opening between the portion and the second side stop, the cover sheet is disposed on the base portion, the spring member is disposed in the base portion and located in the cover sheet and the cover Between the hook members, the hook member is movably disposed on the base portion and movably contacts the spring member, and one end of the hook member has a through-through Positioning the positioning portion of the opening. Wherein the spring member has a first contact end directly contacting the hook member and a second contact end with respect to the first contact end, and the cover sheet has a place directly contacting the spring member a first end portion of the second contact end and a second end portion that is separated from the first end portion and from the hook member.

In order to solve the above technical problem, another technical solution adopted by the present invention is to provide a zipper head assembly structure including: a sliding assembly and a pulling member. The sliding assembly has a base portion, a base portion, a cover sheet, and a bullet a spring member and a hook member, wherein the base portion is disposed on the base portion, the base portion has a through positioning opening, the cover sheet is disposed on the base portion, the spring a member disposed in the base portion and located between the cover sheet and the hook member, the hook member being movably disposed on the base portion and movably contacting the spring member, One end of the hook member has a positioning portion passing through the through positioning opening. The pull member is movably mated with the hook member. Wherein the spring member has a first contact end directly contacting the hook member and a second contact end with respect to the first contact end, and the cover sheet has a place directly contacting the spring member a first end portion of the second contact end and a second end portion that is separated from the first end portion and from the hook member.

Further, the zipper head assembly structure is disposed on a zipper tooth structure having a first zipper rack and a second zipper rack that cooperate with each other, the first zipper rack includes a first zipper tooth carrier And a plurality of first zipper teeth fixed on the first zipper carrier, the second zipper rack includes a second zipper carrier and a plurality of fixed on the second zipper carrier a second zipper tooth, and one of the first zipper teeth is fastened between two of the second zipper teeth to form between the first zipper tooth and the two of the second zipper teeth a gap for insertion of the positioning portion.

The utility model has the beneficial effects of the zipper head assembly structure and the sliding assembly thereof provided by the creative solution, which can be provided by "the cover sheet is disposed on the base portion" and "the spring member is disposed in the a design in the base portion and between the cover sheet and the hook member such that the hook member is movably disposed on the base portion and movably contacts the spring member.

Furthermore, the zipper head assembly structure and the sliding assembly thereof provided by the present invention can pass the "the spring member has a first contact end directly contacting the hook member and a first contact with respect to the first contact a second contact end of the end" and "the cover sheet has a first end portion that directly contacts the second contact end of the spring member and a first end portion that is separated from the first hook portion and from the hook member Second end The end portion is designed such that the spring member can be securely disposed within the base portion and between the cover sheet and the hook member without being easily removed from the cover sheet and the lock hook The pieces are separated.

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

Z‧‧‧Zipper head combination structure

1‧‧‧Sliding components

10‧‧‧ base

101‧‧‧ front end

102‧‧‧ Back end

11‧‧‧First side stop

111‧‧‧First inner surface

1111‧‧‧First main inner surface

1112‧‧‧ First internal surface

112‧‧‧First outer surface

12‧‧‧Second side stop

121‧‧‧Second inner surface

1211‧‧‧Second main inner surface

1212‧‧‧Second internal surface

122‧‧‧Second outer surface

13‧‧‧Base section

130‧‧‧through positioning opening

P‧‧‧ geometric center point

131‧‧‧ accommodating grooves

14‧‧‧Lock hooks

140‧‧‧ Positioning Department

1400‧‧‧Dod trimming

141‧‧‧Inline Department

142‧‧‧ concave concave abutment

15‧‧‧Spring parts

151‧‧‧First contact end

152‧‧‧second contact end

16‧‧‧ Covering piece

161‧‧‧ first end

1610‧‧‧Limited slot

162‧‧‧second end

2‧‧‧ Pulling parts

20‧‧‧End

21‧‧‧ movable parts

3‧‧‧zipper structure

31‧‧‧First zipper rack

310‧‧‧First zipper tooth carrier

311‧‧‧First zipper teeth

32‧‧‧Second zipper rack

320‧‧‧Second zipper tooth carrier

321‧‧‧Second zipper teeth

H1‧‧‧first thickness

H11‧‧‧ first major thickness

H12‧‧‧First thickness

H2‧‧‧second thickness

H21‧‧‧second main thickness

H22‧‧‧Second thickness

L1‧‧‧first symmetrical centerline

L2‧‧‧Second symmetrical centerline

S‧‧‧predetermined horizontal offset

G‧‧‧ gap

FIG. 1 is a perspective exploded view of the sliding assembly of the present invention.

FIG. 2 is a schematic perspective view of the sliding assembly of the present invention.

3 is a schematic cross-sectional view of the III-III cut line of FIG. 2.

4 is a schematic cross-sectional view of the IV-IV cut line of FIG. 2.

Figure 5 is a front elevational view of the sliding assembly of the present invention.

Figure 6 is a perspective view of the hook member of the present invention.

FIG. 7 is a perspective view of the zipper head assembly structure of the present invention.

Figure 8 is a partial cross-sectional view showing the hook member of the present invention before being pulled upward.

Figure 9 is a partial cross-sectional view showing the hook member of the present invention pulled upward.

FIG. 10 is a top plan view of the zipper head assembly structure of the present invention when sliding on the zipper tooth structure.

Fig. 11 is an enlarged schematic view showing the positioning portion of the present invention inserted into the gap.

The following is a description of an embodiment of the "zipper head assembly structure and its sliding assembly" disclosed in the present disclosure by a specific embodiment, and those skilled in the art can understand the advantages and effects of the present invention from the contents disclosed in the specification. The present invention may be implemented or applied in various other specific embodiments, and various details in the present specification may be made based on different viewpoints and applications, and various modifications and changes may be made without departing from the spirit of the present invention. In addition, the drawings of the present invention are merely illustrative and are not intended to be delineated by actual dimensions. The following embodiments will further explain the related technical content of the present creation, but the disclosed content is not intended to limit the technology of the present creation. range.

Referring to FIG. 1 to FIG. 6 , the present invention provides a sliding assembly 1 (or a slider assembly, a zipper assembly), which includes a base portion 10 , a first side stop portion 11 , and a second side block portion . The portion 12, a base portion 13, a hook member 14, a spring member 15, and a cover sheet 16.

First, as shown in FIG. 1 to FIG. 3, the first side stop portion 11 and the second side stop portion 12 respectively extend upward from opposite end sides of the base portion 10, and the first side stop portion 11 and the second side stop portion The 12s 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 positioning between the first side stop portion 11 and the second side stop portion 12. Opening 130. The cover sheet 16 is fixedly disposed on the base portion 13, and the spring member 15 is disposed in the base portion 13 between the cover sheet 16 and the hook member 14. The hook member 14 is movably disposed on the base portion 13 and movably contacts the spring member 15, and one end of the hook member 14 has a positioning portion 140 passing through the through positioning opening 130.

Furthermore, as shown in FIG. 1 to FIG. 3, the spring member 15 has a first contact end 151 directly contacting the hook member 14 and a second contact end 152 with respect to the first contact end 151, and the cover sheet is covered. The first end portion 161 having a second contact end 152 that directly contacts the spring member 15 and a second end portion 162 that is separated from the first end portion 161 and from the hook member 14 are separated from each other. That is, the cover sheet 16 does not directly contact any portion of the hook member 14. In addition, the hooking member 14 has an inner fitting portion 141 opposite to the positioning portion 140 and disposed in a receiving recess 131 of the base portion 13 and a direct contact between the positioning portion 140 and the inner fitting portion 141. The concave top abutting portion 142 of the first contact end 151 of the piece 15 and the first end portion 161 of the covering piece 16 have a limiting groove 1610 for receiving the second contact end 152 of the spring member 15. It should be noted that, as shown in FIG. 3, the inner fitting portion 141 of the hook member 14 is pressed downward by the spring member 15 to be continuously received in the accommodating recess 131, so that the hook member 14 can be inside. The fitting portion 141 is a rotating shaft for moving upward (as shown in FIG. 9) or downward. Move (as shown in Figure 8).

Further, as shown in FIG. 4 and FIG. 5, the first side stop portion 11 has a first inner surface 111 and a first outer surface 112 disposed opposite to the first inner surface 111, and the second side block The portion 12 has a second inner surface 121 corresponding to the first inner surface 111 and a second outer surface 122 disposed opposite to the second inner surface 121. In addition, a first thickness H1 between the first inner surface 111 of the first side stop 11 and the first outer surface 112 may be smaller than between the second inner surface 121 and the second outer surface 122 of the second side stop 12 A second thickness H2. For example, the first inner surface 111 of the first side stop 11 is divided into a first main inner surface 1111 and a first minor inner surface 1112, and the second inner surface 121 of the second side stop 12 is divided into a facing surface. A second major inner surface 1211 of the first major inner surface 1111 and a second minor inner surface 1212 facing the first minor inner surface 1112. In addition, a first major thickness H11 between the first major inner surface 1111 of the first side stop 11 and the first outer surface 112 may be smaller than the second major inner surface 1211 and the second outer surface of the second side stop 12. A second major thickness H21 between 122, and a first minor thickness H12 between the first minor inner surface 1112 of the first side stop 11 and the first outer surface 112 is less than the second side stop 12 A second minor thickness H22 between the inner surface 1212 and the second outer surface 122 is a second time.

Furthermore, as shown in FIGS. 4 and 5, the base portion 10 has a first symmetrical center line L1, and the base portion 13 has a second symmetrical center line L2. The first symmetrical centerline L1 will pass through a geometric center point P of the through positioning opening 130 (as shown in FIG. 4), and the second symmetrical centerline L2 of the pedestal portion 13 is in a manner relative to the first symmetrical centerline L1. And a horizontal offset by a predetermined horizontal offset S along a horizontal direction from the second side stop 12 toward the first side stop 11. For example, the predetermined horizontal offset S of the second symmetrical center line L2 of the base portion 13 with respect to the first symmetrical center line L1 may conform to the following relationship: S=( H 2- H 1)/2, where S For a predetermined horizontal offset, H1 is the first thickness and H2 is the second thickness.

It is worth mentioning that, as shown in Figure 4 or Figure 5, the first symmetric centerline L1 is used. For the symmetrical reference line, the first outer surface 112 of the first side stop 11 and the second outer surface 122 of the second side stop 12 are symmetrically disposed at opposite ends of the first symmetrical center line L1. In addition, when the second symmetrical center line L2 is used as the symmetrical reference line, the first main inner surface 1111 of the first inner surface 111 of the first side dam 11 and the second inner surface 121 of the second side dam 12 The two main inner surfaces 1211 are symmetrically disposed at opposite ends of the second symmetrical center line L2, or the first minor inner surface 1112 and the second side dam 12 of the first inner surface 111 of the first side dam 11 The second minor inner surface 1212 of the second inner surface 121 is symmetrically disposed at opposite ends of the second symmetrical centerline L2. Furthermore, as shown in FIG. 4, FIG. 5 and FIG. 6, one side of the positioning portion 140 of the hook member 14 has a dodge trim 1400 which is recessed in the opposite direction opposite to the horizontal direction, so that the positioning portion 140 It will deviate from the second symmetry center line L2 and approach the first symmetry center line L1 (as shown in FIG. 5).

Referring to FIG. 7 to FIG. 11 , the present invention provides a zipper head assembly structure Z. The zipper head assembly structure Z is disposed on a zipper tooth having a first zipper rack 31 and a second zipper rack 32 that cooperate with each other. On the structure 3 (or zipper tape), the zipper head assembly structure Z includes: a sliding assembly 1 and a pulling member 2 (or a pull tab).

As shown in FIG. 1 , FIG. 7 and FIG. 10 , the first side stop portion 11 and the second side stop portion 12 respectively extend upward from opposite end sides of the base portion 10 , and the first side stop portion 11 and the second side block portion The portions 12 correspond to each other and 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 positioning between the first side stop portion 11 and the second side stop portion 12. Opening 130. The cover sheet 16 is disposed on the base portion 13, and the spring member 15 is disposed in the base portion 13 between the cover sheet 16 and the hook member 14. The hook member 14 is movably disposed on the base portion 13 and movably contacts the spring member 15, and one end of the hook member 14 has a positioning portion 140 passing through the through positioning opening 130. In addition, the pulling member 2 is movably engaged with the hook member 14. For example, one of the end portions 20 of the pull member 2 has a movable member 21 that movably engages with the hook member 14.

Furthermore, the first zipper rack 31 includes a first zipper carrier 310 and a plurality of first zipper teeth 311 fixed to the first zipper carrier 310, as shown in FIG. 10 and FIG. The second zipper rack 32 includes a second zipper tooth carrier 320 and a plurality of second zipper teeth 321 fixed to the second zipper tooth carrier 320. In addition, as shown in FIG. 11, each of the first fastener elements 311 is clamped between two adjacent second fastener elements 321. When one of the first zipper teeth 311 is locked between the two second zipper teeth 321 to form a gap g between the first zipper tooth 311 and the two second zipper teeth 321 , the gap g is available for the positioning portion The insert 140 is inserted so that the zipper head assembly Z can be accurately positioned on the zipper structure 3 by the engagement of the positioning portion 140 with the gap g.

In summary, the creative effect of the present invention is that the zipper head assembly structure Z and the slide assembly 1 thereof provided by the present invention can be provided by "the cover sheet 16 is disposed on the base portion 13" and the "spring member 15". A design is provided in the base portion 13 between the cover sheet 16 and the hook member 14 such that the hook member 14 is movably disposed on the base portion 13 and movably contacts the spring member 15.

Furthermore, the zipper head assembly Z and its slide assembly 1 provided by the present invention can pass the "spring member 15 has a first contact end 151 directly contacting the hook member 14 and a first contact end The second contact end 152" of the 151 and the "cover sheet 16 have a first end portion 161 that directly contacts the second contact end 152 of the spring member 15 and a first end portion 161 that is separate from the first hook portion 14 and from the hook member 14 The second end portion 162" is designed such that the spring member 15 can be securely disposed within the base portion 13 between the cover sheet 16 and the hook member 14, without being easily removed from the cover sheet 16 and the hook member 14. Separated.

The above disclosure is only a preferred and feasible embodiment of the present invention, and is not intended to limit the scope of the patent application of the present invention. Therefore, any equivalent technical changes made by using the present specification and the contents of the drawings are included in the application for this creation. Within the scope of the patent.

Z‧‧‧Zipper head combination structure

1‧‧‧Sliding components

10‧‧‧ base

12‧‧‧Second side stop

13‧‧‧Base section

14‧‧‧Lock hooks

15‧‧‧Spring parts

16‧‧‧ Covering piece

2‧‧‧ Pulling parts

20‧‧‧End

21‧‧‧ movable parts

Claims (10)

A zipper head assembly structure includes: a sliding assembly having a base portion, a first side stop portion, a second side stop portion, a base portion, a cover sheet, a spring member, and a a hooking member, wherein the first side stop and the second side stop respectively extend upward from opposite side ends of the base portion, and the first side stop and the second side stop are 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, and the base portion has a first portion a through positioning opening between the one side stop and the second side stop, the cover piece is disposed on the base part, and the spring piece is disposed in the base part and located in the cover piece Between the hook member, the hook member is movably disposed on the base portion and movably contacts the spring member, and one end of the hook member has a passing portion a positioning portion that penetrates the positioning opening; and a pulling member that is movable with the lock Cooperating with each other; wherein the spring member has a first contact end directly contacting the hook member and a second contact end with respect to the first contact end, and the cover sheet has a direct contact with the a first end portion of the second contact end of the spring member and a second end portion that is separated from the first end portion and from the hook member. The zipper head assembly of claim 1, wherein the first side stop has a first inner surface and a first outer surface opposite to the first inner surface, the second side The blocking portion has a second inner surface corresponding to the first inner surface and a second outer surface disposed opposite to the second inner surface, the first inner portion of the first side blocking portion a first thickness between the surface and the first outer surface is less than a second thickness between the second inner surface of the second side stop and the second outer surface; wherein the substrate Department has a number a symmetrical center line, the base portion having a second symmetrical center line, the first symmetrical center line passing through a geometric center point of the through positioning opening, the second symmetry center of the base portion a line is horizontally offset from the first symmetrical center line by a predetermined horizontal offset along a horizontal direction from the second side stop toward the first side stop; wherein the hook member has An inner fitting portion opposite to the positioning portion and disposed in an accommodating recess of the base portion and a portion between the positioning portion and the inner fitting portion and directly contacting the spring member a concave top abutting portion of the first contact end, and the first end portion of the covering piece has a limiting groove for receiving the second contact end of the spring member. The requested item slider composite structure of claim 2, wherein said base portion of said second symmetric with respect to a center line offset to the predetermined level of the first symmetric center line satisfy the following relation: S = ( H 2 - H 1)/2, where S is the predetermined horizontal offset, H1 is the first thickness, and H2 is the second thickness; wherein the first side stop is The first outer surface is symmetrically disposed with the second outer surface of the second side stop at opposite ends of the first symmetric center line, and the first inner surface of the first side stop is The second inner surface of the second side stop is symmetrically disposed at opposite ends of the second symmetrical center line; wherein one side of the positioning portion of the hook member has a reverse Forming a recessed dodging edge in an opposite direction of the horizontal direction such that the positioning portion is offset from the second symmetric center line to be adjacent to the first symmetric center line; wherein the first side stop portion is The first inner surface is divided into a first main inner surface and a first minor inner surface, and the second side block The second inner surface is divided into a second major inner surface facing the first major inner surface and a second secondary inner surface facing the first minor inner surface; wherein the first side stop a first major thickness between the first major inner surface of the portion and the first outer surface is less than between the second major inner surface of the second side stop and the second outer surface a second major thickness, and a first minor thickness between the first minor inner surface of the first side stop and the first outer surface is less than the first minor thickness of the second side stop A second minor thickness between the inner surface and the second outer surface. A sliding assembly includes: a base portion, a first side stop portion, a second side stop portion, a base portion, a cover sheet, a spring member, and a hook member; wherein the first side The blocking portion and the second side blocking portion respectively extend upward from opposite end sides of the base portion, and the first side blocking portion and the second side blocking portion correspond to each other and are connected to the base portion a front end portion, the base portion is disposed on the base portion and connected to a rear end portion of the base portion, and the base portion has a first side stop portion and the second side a through positioning opening between the blocking portions, the covering piece is disposed on the base portion, the spring member is disposed in the base portion and located between the covering piece and the hooking member The hook member is movably disposed on the base portion and movably contacts the spring member, and one end of the hook member has a positioning portion passing through the through positioning opening; The spring member has a first contact end that directly contacts the hook member and a first relative to the first a second contact end of the contact end, and the cover sheet has a first end portion directly contacting the second contact end of the spring member and a first end portion and separated from the hook member The second end portion. The sliding assembly of claim 4, wherein the first side stop has a first inner surface and a first outer surface opposite to the first inner surface, the second side portion Having 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 a first thickness between the first outer surfaces is less than a second thickness between the second inner surface of the second side stop and the second outer surface; wherein the base portion has a first symmetry center line, the base portion has a second symmetrical center line, the first symmetrical center line passing through a geometric center point of the through positioning opening, the pedestal The second symmetrical center line of the portion is horizontally offset with respect to the first symmetrical center line by a predetermined horizontal offset along a horizontal direction from the second side stop toward the first side stop; Wherein the hooking member has an inner fitting portion opposite to the positioning portion and disposed in a receiving recess of the base portion, and a portion between the positioning portion and the inner fitting portion Directly contacting a concave top abutting portion of the first contact end of the spring member, and the first end portion of the cover sheet has a limit for receiving the second contact end of the spring member groove. The sliding assembly of claim 5, wherein the predetermined horizontal offset of the second symmetrical centerline of the base portion relative to the first symmetrical centerline conforms to the following relationship: S = ( H 2- H 1)/2, wherein S is the predetermined horizontal offset, H1 is the first thickness, and H2 is the second thickness; wherein the first of the first side stops An outer surface is symmetrically disposed with the second outer surface of the second side stop at opposite ends of the first symmetric centerline, and the first inner surface of the first side stop is The second inner surface of the second side stop is symmetrically disposed at opposite ends of the second symmetrical center line; wherein one side of the positioning portion of the hook member has a side opposite to The opposite direction of the horizontal direction produces a doped trimming of the recess such that the positioning portion is offset from the second symmetric center line and close to the first symmetric centerline; wherein the first of the first side stops The inner surface is divided into a first main inner surface and a first minor inner surface, and the second side stop portion The second inner surface 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; wherein the first side stop portion a first major thickness between the first major inner surface and the first outer surface is less than a second between the second major inner surface of the second side stop and the second outer surface a primary thickness, and a first minor thickness between the first minor inner surface of the first side stop and the first outer surface is less than the second thickness of the second side stop a second minor thickness between the inner surface and the second outer surface. A zipper head assembly structure comprising: a slide assembly having a base portion, a base portion, a cover sheet, a spring member and a hook member, wherein the base portion is disposed on the The base portion has a through positioning opening on the base portion, the cover sheet is disposed on the base portion, and the spring member is disposed in the base portion and located in the cover sheet and the lock Between the hook members, the hook member is movably disposed on the base portion and movably contacts the spring member, and one end of the hook member has a through-through positioning a positioning portion of the opening; and a pulling member movably mating with the hook member; wherein the spring member has a first contact end directly contacting the hook member and a relative contact with a second contact end of the first contact end, and the cover sheet has a first end portion directly contacting the second contact end of the spring member and a lock relative to the first end portion and the lock The second end portion of the hook members separated from each other. The zipper head assembly of claim 7, wherein the base portion has a first symmetrical center line, the base portion has a second symmetrical center line, and the first symmetrical center line passes through the through Positioning a geometric center point of the opening, the second symmetrical center line of the base portion being horizontally offset with respect to the first symmetrical center line by a predetermined horizontal offset along a horizontal direction; wherein The hook member has an inner fitting portion opposite to the positioning portion and disposed in a receiving recess of the base portion, and a direct contact between the positioning portion and the inner fitting portion a concave top abutting portion of the first contact end of the spring member, and the first end portion of the cover sheet has a limiting groove for receiving the second contact end of the spring member. The zipper head assembly according to claim 8, wherein one of the side faces of the positioning portion of the hook member has a dodging edge which generates a depression in an opposite direction opposite to the horizontal direction, so that The positioning portion is offset from the second symmetric center line and close to the first symmetric center line. The zipper head assembly structure of claim 7, wherein the zipper head assembly structure is disposed on a zipper tooth structure having a first zipper rack and a second zipper rack that cooperate with each other, the first The zipper rack includes a first zipper carrier and a plurality of first zipper teeth fixed to the first zipper carrier, the second zipper rack includes a second zipper carrier and a plurality of fixed a second zipper tooth on the second zipper carrier, and one of the first zipper teeth is fastened between two of the second zipper teeth to be in the first zipper tooth and two A gap is formed between the second zipper teeth for insertion of the positioning portion.