Zipper head assembly structure and elastic member thereof

1. A zipper head assembly structure, comprising:

a sliding assembly having a base portion, a first lateral wall portion, a second lateral wall portion, a seat portion, an elastic member and a retaining member, wherein the first lateral wall portion and the second lateral wall portion are respectively upwardly extended from two opposite lateral sides of the base portion, the first lateral wall portion and the second lateral wall portion correspond to each other and are connected to a front side portion of the base portion, the seat portion is disposed on the base portion and is connected to a rear side portion of the base portion, the seat portion has a positioning through hole formed between the first lateral wall portion and the second lateral wall portion, the elastic member is disposed on the seat portion to elastically abut against the retaining member, the elastic member has a fixing portion fixed on the seat portion, an elastic portion extended from the fixing portion, and an abutting portion extended from the elastic portion for abutting against the retaining member, the retaining member is movably disposed on the seat portion for movably contacting the elastic member, and the retaining member has a retaining portion disposed on an end thereof for passing through the positioning through hole; and

a pulling member movably mated with the retaining member;

wherein a thickness of the elastic portion is smaller than a thickness of the fixing portion;

wherein the fixing portion has a front fixing section, a rear fixing section connected to the elastic portion, and a middle fixing section connected between the front fixing section and the rear fixing section, a width of the rear fixing section is smaller than a width of the front fixing section, and a width of the middle fixing section is decreased gradually from the front fixing section to the rear fixing section.

2. The zipper head assembly structure of claim 1 , wherein the rear fixing section has a first fixing section connected to the middle fixing section and a second fixing section connected between the first fixing section and the elastic portion, a thickness of the elastic portion is smaller than a thickness of the first fixing section and a thickness of the second fixing section of the rear fixing section, and the thickness of the second fixing section is decreased gradually from the first fixing section to the elastic portion.

3. The zipper head assembly structure of claim 1 , wherein the fixing portion has a front fixing section, a rear fixing section connected to the elastic portion, and a middle fixing section connected between the front fixing section and the rear fixing section, a width of the rear fixing section is smaller than a width of the front fixing section, and a width of the middle fixing section is decreased gradually from the front fixing section to the rear fixing section, wherein the seat portion has a front retaining section for fixing the front fixing section, a rear retaining section for fixing the rear fixing section, and a middle retaining section connected between the front retaining section and the rear retaining section for fixing the middle fixing section, a width of the rear retaining section is smaller than a width of the front retaining section, and a width of the middle retaining section is decreased gradually from the front retaining section to the rear retaining section, wherein the seat portion has at least one concave space concaved on an outer surface thereof, the seat portion has at least one protruding body disposed on an inner surface thereof and adjacent and corresponding to the at least one concave space, and the at least one concave space and the at least one protruding body are disposed on the rear retaining section of the seat portion, wherein the retaining member has a retaining portion disposed on another end thereof, and the retaining portion of the retaining member is disposed inside a receiving groove of the seat portion, wherein a width of the abutting portion is larger than a width of the elastic portion, and the abutting portion has an inclined chamfer formed on an end thereof for slidably contacting the retaining member so as to increase a contact area between the abutting portion and the retaining member.

4. An elastic member disposed on a seat portion of a sliding assembly for elastically abutting against a retaining member that is movably disposed on the seat portion, wherein the elastic member comprises:

a fixing portion fixed on the seat portion;

an elastic portion extended from the fixing portion; and

an abutting portion extended from the elastic portion for abutting against the retaining member;

wherein a thickness of the elastic portion is smaller than a thickness of the fixing portion;

wherein the fixing portion has a front fixing section, a rear fixing section connected to the elastic portion, and a middle fixing section connected between the front fixing section and the rear fixing section; wherein the rear fixing section has a first fixing section connected to the middle fixing section and a second fixing section connected between the first fixing section and the elastic portion, a thickness of the elastic portion is smaller than a thickness of the first fixing section and a thickness of the second fixing section of the rear fixing section, and the thickness of the second fixing section is decreased gradually from the first fixing section to the elastic portion.

5. The elastic member of claim 4 , wherein a width of the rear fixing section is smaller than a width of the front fixing section, and a width of the middle fixing section is decreased gradually from the front fixing section to the rear fixing section.

6. The elastic member of claim 4 , wherein the fixing portion has a front fixing section, a rear fixing section connected to the elastic portion, and a middle fixing section connected between the front fixing section and the rear fixing section, a width of the rear fixing section is smaller than a width of the front fixing section, and a width of the middle fixing section is decreased gradually from the front fixing section to the rear fixing section, wherein the seat portion has a front retaining section for fixing the front fixing section, a rear retaining section for fixing the rear fixing section, and a middle retaining section connected between the front retaining section and the rear retaining section for fixing the middle fixing section, a width of the rear retaining section is smaller than a width of the front retaining section, and a width of the middle retaining section is decreased gradually from the front retaining section to the rear retaining section, wherein the seat portion has at least one concave space concaved on an outer surface thereof, the seat portion has at least one protruding body disposed on an inner surface thereof and adjacent and corresponding to the at least one concave space, and the at least one concave space and the at least one protruding body are disposed on the rear retaining section of the seat portion, wherein the retaining member has a retaining portion disposed on another end thereof, and the retaining portion of the retaining member is disposed inside a receiving groove of the seat portion, wherein a width of the abutting portion is larger than a width of the elastic portion, and the abutting portion has an inclined chamfer formed on an end thereof for slidably contacting the retaining member so as to increase a contact area between the abutting portion and the retaining member.

7. A zipper head assembly structure, comprising:

a sliding assembly having a base portion, a seat portion, an elastic member and a retaining member, wherein the seat portion is disposed on the base portion, the seat portion has a positioning through hole, the elastic member is disposed on the seat portion to elastically abut against the retaining member, the elastic member has a fixing portion fixed on the seat portion, an elastic portion extended from the fixing portion, and an abutting portion extended from the elastic portion for abutting against the retaining member, the retaining member is movably disposed on the seat portion for movably contacting the elastic member, and the retaining member has a retaining portion disposed on an end thereof for passing through the positioning through hole; and

a pulling member movably mated with the retaining member;

wherein a thickness of the elastic portion is smaller than a thickness of the fixing portion;

wherein the fixing portion has a front fixing section, a rear fixing section connected to the elastic portion, and a middle fixing section connected between the front fixing section and the rear fixing section, a width of the rear fixing section is smaller than a width of the front fixing section, and a width of the middle fixing section is decreased gradually from the front fixing section to the rear fixing section.

8. The zipper head assembly structure of claim 7 , wherein the rear fixing section has a first fixing section connected to the middle fixing section and a second fixing section connected between the first fixing section and the elastic portion, a thickness of the elastic portion is smaller than a thickness of the first fixing section and a thickness of the second fixing section of the rear fixing section, and the thickness of the second fixing section is decreased gradually from the first fixing section to the elastic portion.

9. The zipper head assembly structure of claim 7 , wherein the fixing portion has a front fixing section, a rear fixing section connected to the elastic portion, and a middle fixing section connected between the front fixing section and the rear fixing section, a width of the rear fixing section is smaller than a width of the front fixing section, and a width of the middle fixing section is decreased gradually from the front fixing section to the rear fixing section, wherein the seat portion has a front retaining section for fixing the front fixing section, a rear retaining section for fixing the rear fixing section, and a middle retaining section connected between the front retaining section and the rear retaining section for fixing the middle fixing section, a width of the rear retaining section is smaller than a width of the front retaining section, and a width of the middle retaining section is decreased gradually from the front retaining section to the rear retaining section, wherein the seat portion has at least one concave space concaved on an outer surface thereof, the seat portion has at least one protruding body disposed on an inner surface thereof and adjacent and corresponding to the at least one concave space, and the at least one concave space and the at least one protruding body are disposed on the rear retaining section of the seat portion, wherein the retaining member has a retaining portion disposed on another end thereof, and the retaining portion of the retaining member is disposed inside a receiving groove of the seat portion, wherein a width of the abutting portion is larger than a width of the elastic portion, and the abutting portion has an inclined chamfer formed on an end thereof for slidably contacting the retaining member so as to increase a contact area between the abutting portion and the retaining member.

10. The zipper head assembly structure of claim 7 , wherein the zipper head assembly structure is disposed on a zipper teeth structure including a first zipper teeth member and a second zipper teeth member mated with each other, the first zipper teeth member includes a first zipper teeth carrier and a plurality of first zipper teeth disposed on the first zipper teeth carrier, the second zipper teeth member includes a second zipper teeth carrier and a plurality of second zipper teeth disposed on the second zipper teeth carrier, and one of the first zipper teeth is retained between two of the second zipper teeth to form a gap for receiving the positioning portion.