Leakproof perfume spray head

A leakproof perfume spray head comprising:

• a spray head, a locking shell, an inner sleeve, a rotation shaft, and an outer cover, wherein said locking shell is locked to a perfume bottle such that the perfume liquid stored therein is able to pass through said rotation shaft for being sprayed out from said spray head that connects to said rotation shaft, wherein the improvement comprises:
• a circular trench mounted above said locking shell, said circular trench having an indented connection trench on an inner surface thereof;
• said inner sleeve comprising a circular connection body for engaging with said indented connection trench of said circular trench of said locking shell, a sleeving section mounted on a lower end of said inner sleeve and inserted into said locking shell, a shallow trench formed on the top of said inner sleeve, an orientation ring jammed in said shallow trench, a threaded section formed on an inner surface of a first through hole, wherein the center of said shallow trench communicated with said first through hole, and said first through hole and said sleeving section are connected with said rotation shaft and a waterline respectively;
• said rotation shaft comprising a second through hole formed therein and protrudent circular teeth mounted on a medium portion and a lower portion of the outside of said rotation shaft such that said circular teeth separates protrudent threads and a radial through hole that mount on an upper portion and said lower portion of said rotation shaft respectively;
• and
• said outer cover mounted on the outside of said locking shell to fix and orientate said inner sleeve and said rotation shaft, which are assembled to said locking shell, wherein
• said protrudent threads are engaged with said threaded section by use of the connection between said rotation shaft and said inner sleeve such that said through hole is extended above said inner sleeve and said radial through hole is received by said first through hole, wherein said outer diameter of said inner sleeve has a smaller dimension than that of said first through hole for forming a gap between said inner sleeve and said first through hole, and said protrudent threads of said rotation shaft are locked to said threaded section of said inner sleeve such that said threaded section enables said rotation shaft to be rotated within an angle of about 30 degrees, wherein said rotation shaft can be moved upward and downward by means of rotation operation for achieving the purposes of opening or closing said leakproof perfume spray head.