Cap structure having a plurality of breach hole features and zipper head assembly structure using the same

1. A cap structure having a plurality of breach hole features, comprising:

a cap body having at least two first retaining blocks corresponding to each other and at least two first through holes corresponding to each other and respectively adjacent to the at least two first retaining blocks, wherein the cap body has an inner surface, an outer surface, and a bottom surface connected between the inner surface and the outer surface, and the at least two first through holes pass through the cap body to form two breach holes between the inner surface and the outer surface of the cap body; and

an elastic piece disposed on the inner surface of the cap body, wherein the at least two first retaining blocks contact the elastic piece for retaining the elastic piece;

wherein the cup body has at least two first inner concave grooves corresponding to each other, each first inner concave groove has a first end connected to the bottom surface of the cap body and a second end opposite to the first end and far away from the bottom surface of the cap body;

wherein the length of the first retaining block is increased gradually along a first direction from the first end to the second end of the first inner concave groove.

2. The cap structure of claim 1 , wherein the at least two first retaining blocks are respectively and outwardly extended from the at least two first inner concave grooves, and the at least two first inner concave grooves are disposed on the inner surface of the cap body.

3. The cap structure of claim 1 , wherein the at least two first inner concave grooves are on opposite sides of the inner surface of the cap body, and the at least two first inner concave grooves are respectively adjacent to two opposite end sides of the cap body, wherein the at least two first retaining blocks are respectively on the at least two first inner concave grooves, and the at least two first retaining blocks are respectively adjacent to the two opposite end sides of the cap body, wherein the at least two first through holes are on opposite sides of the outer surface of the cap body, and the at least two first through holes are respectively adjacent to the two opposite end sides of the cap body.

4. The cap structure of claim 1 , wherein the width of the first inner concave groove is narrowed gradually from the first end to the second end of the first inner concave groove.

5. The cap structure of claim 4 , wherein each first retaining block is adjacent to the second end of the corresponding first inner concave groove, the width of the first retaining block is narrowed gradually along a second direction far away from the first inner concave groove, and the height of the first retaining block is decreased gradually along the second direction far away from the first inner concave groove.

6. The cap structure of claim 4 , wherein each first through hole is adjacent to the second end of the corresponding first inner concave groove, the length of the first through hole is increased gradually along a first direction from the first end to the second end of the first inner concave groove, the width of the first through hole is narrowed gradually along a second direction from the outer surface to the inner surface of the cap body, and the height of the first through hole is decreased gradually along the second direction from the outer surface to the inner surface of the cap body.

7. The cap structure of claim 1 , wherein the cap body has at least two second inner concave grooves corresponding to each other, at least two second retaining blocks corresponding to each other and respectively extended outwardly from the at least two second inner concave grooves, and at least two second through holes corresponding to each other and respectively adjacent to the at least two second retaining blocks, the at least two second inner concave grooves are disposed on the inner surface of the cap body, the at least two second through holes pass through the cap body to form another two breach holes between the inner surface and the outer surface of the cap body, and the at least two second retaining blocks contact the elastic piece for retaining the elastic piece.

8. The cap structure of claim 7 , wherein the at least two second inner concave grooves are on opposite sides of the inner surface of the cap body, and the at least two second inner concave grooves are respectively adjacent to two opposite end sides of the cap body, wherein the at least two second retaining blocks are respectively on the at least two second inner concave grooves, and the at least two second retaining blocks are respectively adjacent to the two opposite end sides of the cap body, wherein the at least two second through holes are on opposite sides of the outer surface of the cap body, and the at least two second through holes are respectively adjacent to the two opposite end sides of the cap body.

9. A zipper head assembly structure, comprising:

a sliding member having a first retaining seat and a second retaining seat, wherein the first retaining seat has a hook groove, and the second retaining seat has a hook hole;

a pull tab having an end portion disposed between the first retaining seat and the second retaining seat;

a locking hook disposed on the sliding member, wherein the locking hook has a first end portion disposed inside the hook groove and a second end portion passing through the hook hole;

a cap body having two opposite end portions respectively disposed on the first retaining seat and the second retaining seat, wherein the cap body has at least two first retaining blocks corresponding to each other and at least two first through holes corresponding to each other and respectively adjacent to the at least two first retaining blocks, wherein the cap body has an inner surface, an outer surface and a bottom surface connected between the inner surface and the outer surface, and the at least two first through holes pass through the cap body to form two breach holes between the inner surface and the outer surface of the cap body; and

an elastic piece disposed between the inner surface of the cap body and the locking hook and abutted against the locking hook, wherein the at least two first retaining blocks contact the elastic piece for retaining the elastic piece;

wherein the cap body has at least two first inner concave grooves corresponding to each other, at least two second inner concave grooves corresponding to each other, at least two second retaining blocks corresponding to each other and respectively extended outwardly from the at least two second inner concave grooves, and at least two second through holes corresponding to each other and respectively adjacent to the at least two second retaining blocks.

10. The zipper head assembly structure of claim 9 , wherein the at least two first retaining blocks are respectively and outwardly extended from the at least two first inner concave grooves, and the at least two first inner concave grooves are disposed on the inner surface of the cap body.

11. The zipper head assembly structure of claim 9 , wherein the at least two first inner concave grooves are on opposite sides of the inner surface of the cap body, and the at least two first inner concave grooves are respectively adjacent to two opposite end sides of the cap body, wherein the at least two first retaining blocks are respectively on the at least two first inner concave grooves, and the at least two first retaining blocks are respectively adjacent to the two opposite end sides of the cap body, wherein the at least two first through holes are on opposite sides of the outer surface of the cap body, and the at least two first through holes are respectively adjacent to the two opposite end sides of the cap body.

12. The zipper head assembly structure of claim 9 , wherein the at least two second inner concave grooves are disposed on the inner surface of the cap body, the at least two second through holes pass through the cap body to form another two breach holes between the inner surface and the outer surface of the cap body, and the at least two second retaining blocks contact the elastic piece for retaining the elastic piece.

13. The zipper head assembly structure of claim 12 , wherein the at least two second inner concave grooves are on opposite sides of the inner surface of the cap body, and the at least two second inner concave grooves are respectively adjacent to two opposite end sides of the cap body, wherein the at least two second retaining blocks are respectively and on the at least two second inner concave grooves, and the at least two second retaining blocks are respectively adjacent to the two opposite end sides of the cap body, wherein the at least two second through holes are on opposite sides of the outer surface of the cap body, and the at least two second through holes are respectively adjacent to the two opposite end sides of the cap body.

14. A cap structure having a plurality of breach hole features, comprising:

a cap body having at least two first retaining blocks corresponding to each other and at least two first through holes corresponding to each other and respectively adjacent to the at least two first retaining blocks, wherein the cap body has an inner surface, an outer surface, and a bottom surface connected between the inner surface and the outer surface, and the at least two first through holes pass through the cap body to form two breach holes between the inner surface and the outer surface of the cap body; and

an elastic piece disposed on the inner surface of the cap body, wherein the at least two first retaining blocks contact the elastic piece for retaining the elastic piece;

wherein the cap body has at least two first inner concave grooves corresponding to each other, the at least two first retaining blocks are respectively and outwardly extended from the at least two first inner concave grooves, and the at least two first inner concave grooves are disposed on the inner surface of the cap body;

wherein each first inner concave groove has a first end connected to the bottom surface of the cap body and a second end opposite to the first end and far away from the bottom surface of the cap body, and the width of the first inner concave groove is narrowed gradually from the first end to the second end of the first inner concave groove;

wherein each first retaining block is adjacent to the second end of the corresponding first inner concave groove, the length of the first retaining block is increased gradually along a first direction from the first end to the second end of the first inner concave groove, the width of the first retaining block is narrowed gradually along a second direction far away from the first inner concave groove, and the height of the first retaining block is decreased gradually along the second direction far away from the first inner concave groove.