Film packing device

A film packing device comprising:

• a handle;
• the handle comprising two ends, a coupling rod and a base;
• the coupling rod and the base being provided on the two ends respectively,
• the coupling rod comprising a retaining member;
• the retaining member comprising a first retaining portion and a second retaining portion
• the base comprising a limit unit, the limit unit comprising a first limit portion and a second limit portion;
• wherein a first film application unit and a second film application unit being interchangeably mounted and engaged with the handle;
• the first film application unit comprising a first film seat and a second film seat, the first film seat and the second film seat being disposed oppositely;
• the first film seat comprising a first fixing portion;
• the first fixing portion corresponding to the second retaining portion;
• the second film seat comprising a second fixing portion;
• the second fixing portion corresponding to the first limit portion;
• the second film application unit comprising an axial rod;
• the axial rod comprising a first positioning portion and a second positioning portion;
• the first positioning portion and the second positioning portion being disposed oppositely;
• the first positioning portion corresponding to the first retaining portion;
• the second positioning portion corresponding to the second limit portion;
• in response to the handle being engaged with the first film application unit, the second retaining portion of the retaining member being engaged with the first fixing portion of the first film application unit and the first limit portion of the limit unit being engaged with the second fixing portion of the first film application unit;
• in response to the handle being engaged with the second film application unit, the first retaining portion of the retaining member being engaged with the first positioning portion of the second film application unit and the second limit portion of the limit unit being engaged with the second positioning portion of the second film application unit;
• in response to the handle being engaged with the first film application unit, the first film application unit being configured to be mounted with a roll of film with a paper reel;
• and
• in response to the handle being engaged with the second film application unit, the second film application unit being configured to be mounted with a roll of film without a paper reel.