Zipper fastener

1. A zipper fastener comprising:

an upper plate;

a lower plate disposed to correspond to the upper plate;

a head disposed in a predetermined region of an upper surface of the upper plate; and

a pull body configured to be fastened to the head,

wherein the head includes a body portion and a flange portion extending to one side end of the body portion,

the pull body includes a main body portion,

the main body portion includes a main body portion lower surface disposed at a lower portion of the main body portion, a main body portion first side surface disposed at a first side of the main body portion, and a main body portion second side surface disposed at a second side of the main body portion and disposed to face the main body portion first side surface,

the main body portion includes a head accommodation formed in a direction toward an inside of the main body portion from the main body portion lower surface,

the head accommodation includes a body portion accommodation configured to hold the body portion of the head and a flange portion accommodation configured to hold the flange portion of the head,

the main body portion includes a fastening groove extending in a direction toward the main body portion second side surface from the main body portion first side surface or extending in a direction toward the main body portion first side surface from the main body portion second side surface,

the upper plate includes a first base plate, and

the main body portion lower surface comes into contact with the upper surface of the first base plate,

wherein:

the fastening groove includes a region overlapping with the body portion accommodation; and

a depth of the body portion accommodation is formed to be deeper than a depth of the fastening groove.

2. The zipper fastener of claim 1 , further comprising a fastening bar configured to be inserted into the fastening groove of the pull body.

3. A zipper fastener comprising:

an upper plate;

a lower plate disposed to correspond to the upper plate;

a head disposed in a predetermined region of an upper surface of the upper plate; and

a pull body configured to be fastened to the head,

wherein the head includes a body portion,

the pull body includes a main body portion,

the main body portion includes a main body portion lower surface disposed at a lower portion of the main body portion, a main body portion first side surface disposed at a first side of the main body portion, and a main body portion second side surface disposed at a second side of the main body portion and disposed to face the main body portion first side surface,

the main body portion includes a head accommodation formed in a direction toward an inside of the main body portion from the main body portion lower surface,

the head accommodation includes a body portion accommodation configured to hold the body portion of the head,

the main body portion includes a fastening groove extending in a direction toward the main body portion second side surface from the main body portion first side surface or extending in a direction toward the main body portion first side surface from the main body portion second side surface,

the upper plate includes a first base plate, and

the main body portion lower surface comes into contact with the upper surface of the first base plate,

wherein:

the fastening groove includes a region overlapping with the body portion accommodation; and

a depth of the body portion accommodation is formed to be deeper than a depth of the fastening groove.

4. The zipper fastener of claim 3 , further comprising a fastening bar configured to be inserted into the fastening groove of the pull body.

5. A pull body of a zipper fastener, the pull body comprising a main body portion, wherein:

the main body portion includes a main body portion lower surface disposed at a lower portion of the main body portion, a main body portion first side surface disposed at a first side of the main body portion, and a main body portion second side surface disposed at a second side of the main body portion and disposed to face the main body portion first side surface;

the main body portion includes a head accommodation formed in a direction toward an inside of the main body portion from the main body portion lower surface; and

the main body portion includes a fastening groove extending in a direction toward the main body portion second side surface from the main body portion first side surface or extending in a direction toward the main body portion first side surface from the main body portion second side surface,

wherein:

a head of the zipper fastener includes a body portion and a flange portion extending to one side end of the body portion; and

the head accommodation includes a body portion accommodation configured to hold the body portion of the head and a flange portion accommodation configured to hold the flange portion of the head, and

wherein:

the fastening groove includes a region overlapping with the body portion accommodation; and

a depth of the body portion accommodation is formed to be deeper than a depth of the fastening groove.

6. The pull body of claim 5 , wherein:

the zipper fastener includes an upper plate including a first base plate; and

the main body portion lower surface comes into contact with an upper surface of the first base plate of the upper plate.