TW201801884A - Mold core assembly and slidable member - Google Patents

Abstract

The prevent invention provides a mold core assembly and a slidable member for forming a partial shape of a sliding element of a zipper head assembly structure. The mold core assembly includes a first mold core structure and a second mold core structure. The first mold core structure has two first lateral structure bodies and a first middle structure body disposed between the two first lateral structure bodies. The first middle structure body has two first extending portions. The second mold core structure has two second lateral structure bodies and a second middle structure body disposed between the two second lateral structure bodies. The second middle structure body has two second extending portions corresponding to each other. Each first extending portion has a different thickness and each second extending portion has a different thickness, so that the usage life of the mold core assembly can be increased, and the production yield of the sliding element is increased and the manufacturing cost of the sliding element is decreased.

Description

Mold base assembly and slide

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a mold core assembly and a slider, and more particularly to a mold core assembly for forming a portion of the shape of a slider and a slider for use in a slider assembly.

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 prior art provides a structural design of the mold core assembly for forming a part of the shape of the slider of the slider, resulting in a shortened service life of the mold core assembly and a defective rate of the manufactured slider. Upgrade.

The technical problem to be solved by the present invention is to provide a mold core assembly and a sliding member 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 mold core assembly for forming a part of the shape of a slider of a zipper head assembly, the slider having a base portion Two side stops and a base portion, the two side stops respectively extending upward from opposite end sides of the base portion, the two side stops corresponding to each other and connected to the base portion a front end of the base portion disposed on the base portion and connected to the base portion The back end is characterized in that the mold core assembly comprises: a first mold core structure and a second mold core structure. The first mold core structure has a first base body, two first side structural bodies extending from the first base body and corresponding to each other, and one extending from the first base body and located at two a first intermediate structure between the first side structures, wherein the first intermediate structure has two first extensions disposed corresponding to each other, and each of the first extensions has a different thickness. The second mold core structure has a second base body, two second side structural bodies extending from the second base body and corresponding to each other, and one extending from the second base body and located at two a second intermediate structure between the second side structures, wherein the second intermediate structure has two second extensions disposed corresponding to each other, and each of the second extensions has a different thickness. Wherein the two first extensions of the first intermediate structure are respectively connected to the two second extensions of the second intermediate structure, and a part of the shape of the base portion is Two of the first extensions of the first intermediate structure of the first mold core structure and the two extensions of the second intermediate structure of the second mold core structure are mutually Formed by cooperation.

In order to solve the above technical problem, another technical solution adopted by the present invention is to provide a sliding member including: a base portion, two side stops, and a base portion. The base portion has a front end and a rear end. Two of the side stops extend upward from opposite end sides of the base portion, wherein the two side stops correspond to each other and to the front end of the base portion. The base portion is disposed on the base portion and connected to the rear end of the base portion, and a portion of the outer shape of the base portion is defined by the first intermediate structure of the mold core assembly and The second intermediate structure is formed by cooperating with each other. Wherein the base portion includes a main body disposed on the base portion and connected to the rear end of the base portion, and two strip protrusions respectively disposed on opposite side ends of the main body The rib and the two recessed spaces respectively connected to the two strip ribs.

The beneficial effects of the present invention are that the mold base provided by the technical solution of the present invention An assembly and a slider, wherein "the first extension has a different thickness and the second extension has a different thickness" and "the base portion includes a base portion and a connection a main body to the rear end of the base portion, two strip-shaped ribs respectively disposed on opposite side ends of the main body, and two recessed spaces respectively connected to the two strip-shaped ribs The design is to increase the service life of the mold core assembly, and can effectively improve the production yield of the slider, and can also reduce the manufacturing cost of the slider.

For a better understanding of the features and technical aspects of the present invention, reference should be made to the accompanying drawings.

M‧‧‧Mold core assembly

1‧‧‧First mold core structure

10‧‧‧First substrate

11‧‧‧ First side structure

12‧‧‧First intermediate structure

120‧‧‧First Extension

120A‧‧‧First Foundation

120B‧‧‧First thickening department

T11‧‧‧First base thickness

T12‧‧‧ first thickening thickness

R10‧‧‧ first main accommodating space

R11‧‧‧The first time to accommodate space

2‧‧‧Second mold core structure

20‧‧‧Second substrate

21‧‧‧Second side structure

22‧‧‧Second intermediate structure

220‧‧‧Second extension

220A‧‧‧Second Foundation

220B‧‧‧Second thickening

T21‧‧‧Second base thickness

T22‧‧‧Second thickening thickness

R20‧‧‧Second main accommodating space

R21‧‧‧The second time to accommodate space

Z‧‧‧Zipper head combination structure

3‧‧‧Sliding parts

30‧‧‧ base

300‧‧‧ inner surface

301‧‧‧ front end

302‧‧‧ Backend

303‧‧‧Micro-convex area

31‧‧‧ Side stop

32‧‧‧Base section

320‧‧‧through positioning opening

321‧‧‧ main ontology

322‧‧‧ strip ribs

323‧‧‧ recessed space

324‧‧‧ bearing seat

R30‧‧‧ recessed space

4‧‧‧Hooks

40‧‧‧ Positioning Department

5‧‧‧ Pulling parts

1 is a perspective view showing one of the core structures of the first mold of the mold core assembly of the present invention.

2 is another perspective view of the first mold core structure of the mold core assembly of the present invention.

3 is a perspective view showing one of the core structures of the second mold of the mold core assembly of the present invention.

4 is another perspective view of the second mold core structure of the mold core assembly of the present invention.

FIG. 5 is a perspective assembled view of the first mold core structure and the second mold core structure of the mold core assembly of the present invention.

Fig. 6 is a schematic cross-sectional view taken along line VI-VI of Fig. 5;

Fig. 7 is a schematic cross-sectional view taken along line VII-VII of Fig. 5;

8 is a perspective exploded view of the first mold core structure and the second mold core structure of the mold core assembly of the present invention.

Figure 9 is a side elevational view of the slider of the present invention.

Figure 10 is a side elevational view of the slider of the present invention.

Figure 11 is a rear elevational view of the slider of the present invention.

Figure 12 is a perspective view showing the assembled structure of the zipper head assembly of the present invention.

Figure 13 is a schematic view showing the main body of the present invention and the outer shape of the strip-shaped ribs being formed by the mutual engagement of the two first extending portions and the two second extending portions.

Figure 14 is a schematic view showing the main body of the main body and the shape of the strip-shaped ribs formed by a first extension portion and a second extension portion in cooperation with each other.

FIG. 15 is a schematic view showing the main body and the outer shape of the strip-shaped ribs formed by a first extending portion and a second extending portion cooperating with each other according to another embodiment of the present invention.

FIG. 16 is a schematic view showing the main body and the outer shape of the strip-shaped ribs being mutually matched by a first extending portion and a second extending portion according to still another embodiment of the present invention.

The following is a description of embodiments of the present invention relating to "mold core assembly and slide" as disclosed in the specific embodiments, and those skilled in the art can understand the advantages and effects of the present invention from the disclosure of the present specification. The present invention may be carried out or applied in various other specific embodiments, and various modifications and changes can be made without departing from the spirit and scope of the invention. In addition, the drawings of the present invention are merely illustrative and are not intended to be construed in terms of actual dimensions. The following embodiments will further explain the related technical content of the present invention, but the disclosure is not intended to limit the technical scope of the present invention.

Referring to Figures 1 through 11, the present invention provides a mold core assembly M for forming a portion of the shape of a slider 3 of a slider assembly Z. The sliding member 3 has a base portion 30, two side stops 31, and a base portion 32. The two side stops 31 extend upward from opposite end sides of the base portion 30, and the two side stops 31 are mutually connected. Corresponding to each other and connected to a front end 301 of the base portion 30, and the base portion 32 is disposed on the base portion 30 and connected to a rear end 302 of the base portion 30. In addition, the base portion 32 includes a main body 321 disposed on the base portion 30 and connected to the rear end 302 of the base portion 30, and two strip-shaped ribs 322 respectively disposed on opposite end sides of the main body 321 and Two recessed spaces 323 are respectively connected to the two strip-shaped ribs 322 and partially surround the two strip-shaped ribs 322, respectively.

As shown in FIG. 1 to FIG. 8, the mold core assembly M includes a first mold core structure 1 and a second mold core structure 2.

First, as shown in FIG. 1 and FIG. 2, the first mold core structure 1 has a first base body 10, two first side structure bodies 11 extending from the first base body 10 and corresponding to each other, and a first A first intermediate structure 12 extending from the base 10 and located between the two first side structures 11. In addition, the first intermediate structure 12 has two first extensions 120 disposed corresponding to each other, and each of the first extensions 120 has a first base portion 120A and two inward projections from the first base portion 120A. The first thickening portion 120B. Therefore, the present invention can increase the overall structural strength of the first extension portion 120 by the design of the first thickening portion 120B, thereby increasing the service life of the mold core assembly M, and effectively improving the production yield of the slider 3. It is also possible to reduce the manufacturing cost of the slider 3.

As described above, the two first thickening portions 120B of one of the first extending portions 120 face the two first thickening portions 120B of the other first extending portion 120, respectively. In addition, the first base portion 120A has a first base thickness T11, the first thickened portion 120B has a first thickened thickness T12, and the first thickened portion T12 of the first thickened portion 120B is greater than the first base portion 120A. The first base thickness T11, that is, each of the first extensions 120 has a different thickness. In addition, the first intermediate structure 12 has a first main accommodating space R10 formed between the two first extending portions 120, and each of the first extending portions 120 has a first thickening formed in two corresponding portions. The space R11 is accommodated for the first time between the portions 120B, and the first main accommodating space R10 is communicated between the two first accommodating spaces R11 of the two first extending portions 120.

Furthermore, as shown in FIG. 3 and FIG. 4, the second mold core structure 2 has a second base body 20, two second side structural bodies 21 extending from the second base body 20 and corresponding to each other, and a slave body. The second base body 20 extends out of the second intermediate structure 22 between the two second side structures 21. In addition, the second intermediate structure 22 has two second extensions 220 disposed opposite each other, and each of the second extensions 220 has a second base portion 220A and two inward convex portions from the second base portion 220A. The second thickened portion 220B is formed. Therefore, the present invention can increase the overall structural strength of the second extension portion 220 by the design of the second thickening portion 220B, thereby increasing the service life of the mold core assembly M, and effectively improving the production yield of the slider 3. It is also possible to reduce the manufacturing cost of the slider 3.

As described above, the two second thickening portions 220B of one of the second extending portions 220 face the two second thickening portions 220B of the other second extending portion 220, respectively. In addition, the second base portion 220A has a second base thickness T21, the second thickened portion 220B has a second thickened thickness T22, and the second thickened portion T22 of the second thickened portion 220B is larger than the second base portion 220A. The second base thickness T21, that is, each of the second extensions 220 has a different thickness. In addition, the second intermediate structure 22 has a second main accommodating space R20 formed between the two second extending portions 220, and each of the second extending portions 220 has a second thickening formed in two corresponding portions. The second sub-receiving space R21 is connected to the second main accommodating space R10 and the two second accommodating spaces communicating with the two second extending portions 220. The two second secondary accommodation spaces R21 of the two second extensions 220 are respectively communicated with the two first secondary accommodation spaces R11 of the two first extensions 120.

Furthermore, as shown in FIG. 1 , FIG. 3 and FIG. 5 to FIG. 8 , the two first extensions 120 of the first intermediate structure 12 are respectively connected to the two second extensions 220 of the second intermediate structure 22 , And a part of the outer shape of the base portion 32 is composed of two first extensions 120 of the first intermediate structure 12 of the first mold core structure 1 and two second intermediate structures 22 of the second mold core structure 2. The second extensions 220 are formed to cooperate with each other.

Further, since the outer shape of the main body 321 of the base portion 32 is formed by the first main accommodating space R10 and the second main accommodating space R20, the main body 321 of the base portion 32 corresponds to The first main accommodating space R10 and the second main accommodating space R20.

Further, since the shape of each strip rib 322 is correspondingly The first sub-receiving space R11 of the first extending portion 120 and the second sub-accommodating space R21 of the corresponding second extending portion 220 are formed to cooperate with each other, so each strip-shaped rib 322 corresponds to The first secondary accommodation space R11 of the corresponding first extension portion 120 and the second secondary accommodation space R21 of the corresponding second extension portion 220.

Furthermore, since the shape of each recessed space 323 is determined by the two first thickenings 120B corresponding to the corresponding first extending portions 120 and the two second thickenings of the corresponding second extending portions 220 The portions 220B are formed to cooperate with each other, so each recessed space 323 corresponds to two second thickening portions 120B of the corresponding first extending portion 120 and two second thickening portions of the corresponding second extending portion 220. Part 220B.

Accordingly, the present invention provides a slider assembly structure Z including a slider 3, a hook member 4, and a pull member 5, as shown in FIG.

First, as shown in FIGS. 9 to 11, the slider 3 has a base portion 30, two side stops 31, and a base portion 32. In addition, the two side stoppers 31 respectively extend upward from opposite end sides of the base portion 30, and the two side stoppers 31 correspond to each other and are connected to a front end 301 of the base portion 30. Furthermore, the base portion 32 is disposed on the base portion 30 and connected to a rear end 302 of the base portion 30, and the base portion 32 has a through positioning opening 320 between the two side stops 31 (as shown in the figure). 8)). Further, the base portion 32 includes a main body 321 disposed on the base portion 30 and connected to the rear end 302 of the base portion 30, and two strip-shaped ribs 322 respectively disposed on opposite end sides of the main body 321 and Two recessed spaces 323 are respectively connected to the two strip-shaped ribs 322. It is to be noted that since two recessed spaces 323 are formed on the opposite side ends of the main body 321, the manufacturing cost of the slider 3 can be reduced.

Furthermore, as shown in FIGS. 8 and 12, the hook member 4 is movably disposed on the base portion 32, and one end of the hook member 4 has a movable position through the through positioning opening 320. Department 40. In addition, the pulling member 5 is movably engaged with the hook member 4.

Further, as shown in FIG. 9 to FIG. 11, a convex surface 303 is protruded from the inner surface 300 of the base portion 30 of the slider 3, and the micro convex region 303 is connected to the main body 321 of the base portion 32 and partially The main body 321 surrounding the base portion 32, and the two recessed spaces 323 of the base portion 32 and the micro-convex regions 303 of the base portion 30 are U-shaped. In addition, the base portion 32 includes a carrier 324 disposed on the main body 321 and separated from the base portion 30, and two recessed spaces R30 formed between the micro-convex region 303 and the carrier 324, two recesses The space R30 is communicated with the two recessed spaces 323, respectively, and the two strip-shaped ribs 322 are completely accommodated in the two recessed spaces R30, respectively.

In summary, referring to FIG. 13, the outer shape of the main body 321 of the base portion 32 and the outer shape of each strip-shaped rib 322 are two by the first intermediate structure 12 of the first mold core structure 1. The first extension portion 120 and the two second extension portions 220 of the second intermediate structure 22 of the second mold core structure 2 are formed to cooperate with each other. For the first mold core structure 1, each of the first extensions 120 has a first base portion 120A and two first thickened portions 120B, and the first thickened portion T12 of the first thickened portion 120B is greater than The first base thickness T11 of the first base portion 120A. For the second mold core structure 2, each of the second extensions 220 has a second base portion 220A and two second thickened portions 220B, and the second thickened portion T22 of the second thickened portion 220B is greater than The second base thickness T21 of the second base portion 220A. Therefore, the present invention can increase the overall structural strength of the first extension portion 120 and the second extension portion 220 by the design of the first thickening portion 120B and the second thickening portion 220B, thereby increasing the mold core assembly M. The service life and the production yield of the slider 3 can be effectively improved, and the manufacturing cost of the slider 3 can also be reduced.

Furthermore, referring to FIG. 14 to FIG. 16, the biggest difference between FIG. 14 and FIG. 16 and FIG. 13 is that, in FIG. 14 to FIG. 16, each of the first extending portions 120 has a first base portion 120A. And at least one first thickening portion 120B protruding inward from the first base portion 120A, and each of the second extending portions 220 has a second base portion 220A and at least one protruding inward from the second base portion 220A. Second thickening 220B. In addition, at least one first thickening portion 120B of one of the first extending portions 120 faces at least one first thickening portion 120B of the other first extending portion 120, and at least one second of one of the second extending portions 220 The thickened portion 220B will face at least one second thickened portion 220B of the other second extended portion 220. That is, each of the first extensions 120 may also be designed to protrude inwardly from the outermost side (as shown in FIGS. 14 and 15) or the middle (as shown in FIG. 16) of the first base portion 120A. The first thickening portion 120B, and each of the second extending portions 220 may also be designed only from the outermost side (as shown in FIG. 14 and FIG. 15) or the middle portion (shown in FIG. 16) of the second base portion 220A. The second thickened portion 220B protruding inside.

[Advantageous Effects of Embodiments]

In summary, the present invention has the beneficial effects of the mold core assembly and the sliding member provided by the technical solution of the present invention, which can have different thicknesses through the first extension portion 120, and the second extension portion 220 has different The thickness portion and the base portion 32 include a main body 321 disposed on the base portion 30 and coupled to the rear end 302 of the base portion 30, and two strip-shaped ribs respectively disposed on opposite end sides of the main body 321 322 and two recessed spaces 323" respectively connected to the two strip-shaped ribs 322 to increase the service life of the mold core assembly M, and can effectively improve the production yield of the slider 3, and can also reduce the slider 3 production costs. That is, the present invention can increase the first extension portion 120 and the second extension portion by the design of the first thickening portion 120B of the first extension portion 120 and the second thickening portion 220B of the second extension portion 220, respectively. The overall structural strength of the 220, in turn, increases the service life of the mold core assembly M, and can effectively increase the production yield of the slider 3, and can also reduce the manufacturing cost of the slider 3.

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

M‧‧‧Mold core assembly

1‧‧‧First mold core structure

10‧‧‧First substrate

11‧‧‧ First side structure

12‧‧‧First intermediate structure

120‧‧‧First Extension

2‧‧‧Second mold core structure

20‧‧‧Second substrate

21‧‧‧Second side structure

22‧‧‧Second intermediate structure

220‧‧‧Second extension

3‧‧‧Sliding parts

30‧‧‧ base

301‧‧‧ front end

302‧‧‧ Backend

31‧‧‧ Side stop

32‧‧‧Base section

320‧‧‧through positioning opening

321‧‧‧ main ontology

322‧‧‧ strip ribs

323‧‧‧ recessed space

Claims (10)

A mold core assembly for forming a portion of a shape of a slider of a zipper head assembly, the slider having a base portion, two side stops, and a base portion, two of the side portions Do not extend upward from opposite end sides of the base portion, the two side stops correspond to each other and 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 includes a main body disposed on the base portion and connected to the rear end of the base portion, and two opposite sides respectively disposed on the main body a strip-shaped rib on the side end and two recessed spaces respectively connected to the two strip-shaped ribs and partially surrounding the two strip-shaped ribs, respectively, wherein the mold core assembly comprises a first mold core structure, the first mold core structure having a first base body, two first side structure bodies extending from the first base body and corresponding to each other, and a a substrate extending out and located in two of said a first intermediate structure between the side structures, wherein the first intermediate structure has two first extensions disposed corresponding to each other, each of the first extensions having a first base portion and two a first thickening portion projecting inwardly from the first base portion; and a second mold core structure having a second base body and two second base bodies a second side structure extending out and corresponding to each other and a second intermediate structure extending from the second substrate and located between the two second side structures, wherein the second The intermediate structure has two second extension portions corresponding to each other, each of the second extension portions having a second base portion and two second thickening portions projecting inward from the second base portion Wherein the two first extensions of the first intermediate structure are respectively connected to the two second extensions of the second intermediate structure, and the base portion a portion of the shape is defined by two of the first extensions of the first intermediate structure of the first mold core structure and the second intermediate structures of the second mold core structure Forming a second extension portion that cooperates with each other; wherein two of the first thickening portions of one of the first extension portions respectively face two of the first thickening portions of another one of the first extension portions The first base portion has a first base thickness, the first thickened portion has a first thickened thickness, and the first thickened portion of the first thickened portion is greater than the first The first base thickness of the base portion; wherein two of the second thickening portions of one of the second extension portions respectively face two of the second thickening portions of the other one of the second extension portions The second base portion has a second base thickness, the second thickened portion has a second thickened thickness, and the second thickened portion of the second thickened portion is greater than the second thickened portion The second base thickness of the base portion. The mold core assembly of claim 1, wherein the first intermediate structure has a first main accommodating space formed between the two first extensions, each of the first extensions The first main accommodating space formed between the two corresponding first thickening portions, and the first main accommodating space communicates with two of the two first extending portions Between the first and second accommodating spaces; wherein the second intermediate structure has a second main accommodating space formed between the two second extending portions, each of the second extensions The second main accommodating space is formed between the two corresponding second thickening portions, and the second main accommodating space is connected to the first main accommodating space and communicates with the two Between the two second secondary accommodating spaces of the second extending portion, and the two second secondary accommodating spaces of the two second extending portions are respectively connected to the two The two first and second primary accommodation spaces of the first extension. The mold core assembly of claim 2, wherein the main body of the base portion corresponds to the first main accommodating space and the second main accommodating a space, and an outer shape of the main body of the base portion is formed by the first main accommodating space and the second main accommodating space cooperating. The mold core assembly of claim 2, wherein each of the strip-shaped ribs corresponds to the first minor accommodating space of the corresponding first extension portion and the corresponding one a second secondary accommodating space of the second extending portion, and an outer shape of each of the strip ribs is represented by the first primary accommodating space of the corresponding first extending portion and a corresponding one The second secondary accommodation spaces of the second extension portion are formed to cooperate with each other. The mold core assembly of claim 2, wherein each of the recessed spaces corresponds to two of the first thickened portions of the corresponding first extension and the corresponding second extension Two of the second thickening portions, and each of the recessed spaces has a shape corresponding to two of the first thickening portions corresponding to the first extending portion and corresponding ones The two second thickening portions of the two extension portions are formed to cooperate with each other. A mold core assembly for forming a portion of a shape of a slider of a zipper head assembly, the slider having a base portion, two side stops, and a base portion, two of the side portions Do not extend upward from opposite end sides of the base portion, the two side stops correspond to each other and 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, wherein the mold core assembly comprises: a first mold core structure, the first mold core structure has a first base body, and two from the first a first side structure body extending from the base body and corresponding to each other; and a first intermediate structure body extending from the first base body and located between the two first side structures, wherein the first An intermediate structure has two first extensions disposed opposite each other, and each of the first extensions has a different thickness; and a second mold core structure having a second mold core structure Second substrate, two from the first Extending from the base and a second side corresponding to another node a second intermediate structure extending from the second substrate and located between the two second side structures, wherein the second intermediate structure has two opposite ones a second extension, and each of the second extensions has a different thickness; wherein the two first extensions of the first intermediate structure are respectively connected to two of the second intermediate structures a second extension portion, and a portion of the outer shape of the base portion is defined by two first extensions of the first intermediate structure of the first mold core structure and the second mold base Two of the second extensions of the second intermediate structure of the structure are formed to cooperate with each other. The mold core assembly of claim 6, wherein each of the first extensions has a first base portion and at least one first thickened portion that projects inwardly from the first base portion, and Each of the second extensions has a second base portion and at least one second thickening portion projecting inwardly from the second base portion; wherein at least one of the first extension portions is The first thickening portion faces at least one of the first thickening portions of the other one of the first extending portions, the first base portion has a first base thickness, and the first thickening portion has a first increase Thickness, and the first thickening thickness of the first thickening portion is greater than the first basic thickness of the first base portion; wherein at least one of the second extension portions The second thickening portion faces at least one of the second thickening portions of the other of the second extending portions, the second base portion has a second base thickness, and the second thickened portion has a second thickening portion Thickness, and the second thickening thickness of the second thickening portion is greater than that of the second base portion The second base thickness. The mold core assembly of claim 6, wherein each of the first extensions has a first base portion and two first thickening portions projecting inward from the first base portion, and Each of the second extensions has a second base portion and two second thickening portions projecting inwardly from the second base portion; wherein two of the first extension portions are The first thickening part faces the other one Two first thickening portions of the first extending portion, the first basic portion has a first base thickness, the first thickened portion has a first thickened thickness, and the first The first thickened thickness of the thickening portion is greater than the first base thickness of the first base portion; wherein two of the second thickened portions of one of the second extending portions face the other one Two of the second thickening portions of the second extension portion, the second base portion has a second base thickness, the second thickened portion has a second thickened thickness, and the second The second thickened thickness of the thickened portion is greater than the second base thickness of the second base portion. A sliding member comprising: a base portion having a front end and a rear end; two side stops, the two side stops respectively extending upward from opposite end sides of the base portion Wherein the two side stops correspond to each other and are connected to the front end of the base portion; and a base portion disposed on the base portion and connected to the base portion The rear end, and a part of the outer shape of the base portion is formed by the first intermediate structure of the mold core assembly and the second intermediate structure as described in claim 6; The base portion includes a main body disposed on the base portion and connected to the rear end of the base portion, and two strip-shaped ribs respectively disposed on opposite side ends of the main body And two recessed spaces respectively connected to the two strip ribs. The slider according to claim 9, wherein a convex surface is protruded from an inner surface of the base portion, the micro convex region connecting the main body of the base portion and partially surrounding the base The main body of the seat, and the two recessed spaces of the base portion and the micro-convex regions of the base portion are U-shaped.