Airtight cosmetic powder box

An airtight cosmetic powder box includes an outer box having an upper lid and an outer box body. The outer box body includes a receiving space receiving an inner box unit. The inner box unit includes an upper cover and an inner box body. The inner box body includes an inner receiving space. A seal ring is received in an annular groove in a top face of the inner box body. The upper cover is pivotable relative to the inner box body between an open position and a closed position. The upper cover includes an annular rib extending from a bottom face of the upper cover. The annular rib is received in the annular groove of the inner box body. The bottom face of the upper cover and an inner peripheral face of the annular rib sealingly contact the seal ring, providing an airtight cosmetic powder box.

BACKGROUND OF THE INVENTION

The present invention relates to an airtight cosmetic powder box and, more particularly, to an airtight cosmetic powder box providing a double airtight effect by a seal ring abutting a bottom face of an upper cover and abutting an inner peripheral face of an annular rib of the upper cover.

A cosmetic powder box is an essential item in the purse of a female, because the makeup on the face of the female often requires reapplication due to sweating. Thus, the cosmetic powder box is required in application and reapplication of makeup and is almost a necessity in female daily lives. However, a conventional cosmetic powder box merely provides a space for receiving cosmetic powder which deteriorates by moisture. The conventional cosmetic powder box cannot prevent the cosmetic powder from moisture.

Thus, a need exists for an airtight cosmetic powder box for reliably protecting the cosmetic powder from moisture.

BRIEF SUMMARY OF THE INVENTION

The primary objective of the present invention is to provide an airtight cosmetic powder box providing a double airtight effect by a seal ring abutting a bottom face of an upper cover and abutting an inner peripheral face of an annular rib of the upper cover.

The above objective is fulfilled by an airtight cosmetic powder box including an outer box, a seal ring, and an inner box unit. The outer box includes an upper lid and an outer box body. The outer box body includes a receiving space. The inner box unit is received in the receiving space of the outer box. The inner box unit includes an upper cover and an inner box body. The inner box body includes an inner receiving space. The inner box body further includes a top face having an annular groove. The seal ring is received in the annular groove of the inner box body. The inner box body further includes a pivotal portion to which the upper cover is pivotably mounted. The upper cover is pivotable relative to the inner box body between an open position and a closed position. The upper cover includes an annular rib extending from a bottom face of the upper cover. The annular rib is received in the annular groove of the inner box body. The bottom face of the upper cover and an inner peripheral face of the annular rib sealingly contact the seal ring, providing an airtight cosmetic powder box.

In an example, the seal ring is annular and includes a peripheral wall having an outer peripheral face. The peripheral wall of the seal ring is received in the annular groove of the inner box body. The annular rib is sandwiched between an upper end of the inner box body and the peripheral wall of the seal ring. The inner peripheral face of the annular rib abuts the outer peripheral face of the peripheral wall of the seal ring, and an upper face of the seal ring abuts the bottom face of the upper cover, providing a double airtight effect. The upper end of the inner box body including an upper face. The upper face of the inner box body is located between the upper face of the seal ring and a bottom face of the annular rib, assuring the upper face of the seal ring to reliably abut the bottom face of the upper cover.

The upper cover can include a peripheral wall surrounding the outer peripheral face of the inner box body. The peripheral wall of the upper cover includes a plurality of hooks. A plurality of hooking groove is defined in the outer peripheral face of the inner box body. The plurality of hooks of the upper cover is engaged in the plurality of hooking groove, securely coupling the upper cover and the inner box body together to enhance the airtight effect.

The outer box body can further include an insertion ring fixed in the receiving space of the outer box body. The inner box body further includes an engagement groove in the outer peripheral face. The insertion ring includes a plurality of resilient tabs engaged in the engagement groove to retain the inner box body in place.

The upper cover can further include a top face having at least one high point higher than a remaining portion of the top face. When the upper lid is disposed on the top face of the upper cover, an inner face of the upper lid firstly presses against the at least one high point, and the upper lid is then further pressed, further enhancing the airtight effect between the upper lid and the inner box body.

The airtight cosmetic powder box can further include a hook device mounted between the upper lid and the outer box body. The hook device includes a button and a hook mounted to the outer box body. The hook is operably connected to the button. The upper lid includes a lip. The hook engages with the lip. The button can be operated to disengage the hook from the lip.

The airtight cosmetic powder box can further include a pivotal mechanism mounted between the upper lid and a side of the outer box body opposite to the hook device. The upper lid includes a resilient member. The resilient member pushes the upper lid outwards when the hook of the hook device disengages from the lip.

DETAILED DESCRIPTION OF THE INVENTION

With reference toFIGS. 1-4, an airtight cosmetic powder box1according to the present invention includes an outer box10, a seal ring20, and an inner box unit30. The outer box10includes an upper lid11and an outer box body12. The outer box body12includes a receiving space13. The seal ring20is annular includes a peripheral wall21having an outer peripheral face22. The seal ring20further includes an upper face23.

The inner box unit30is received in the receiving space13of the outer box10. The inner box unit30includes an upper cover31and an inner box body32. The inner box body32includes an inner receiving space33adapted for receiving cosmetic powder. The inner box body32further includes a top face having an annular groove321. The seal ring20is received in the annular groove321of the inner box body32. The inner box body32further includes a pivotal portion322to which the upper cover31is pivotably mounted. The upper cover31is pivotable relative to the inner box body32between an open position and a closed position. The upper cover31includes an annular rib311extending from a bottom face313of the upper cover31in a location corresponding to an upper end of the inner box body32. The annular rib311is received in the annular groove321of the inner box body32. The bottom face313of the upper cover31and an inner peripheral face312of the annular rib311sealingly contact the seal ring20, providing an airtight cosmetic powder box1.

With reference toFIG. 3A, the peripheral wall21of the seal ring20is surrounded by an outer peripheral face323of the inner box body32. In this embodiment, the peripheral wall21of the seal ring20is received in the annular groove321of the inner box body32. The annular rib311is sandwiched between the upper end of the inner box body32and the peripheral wall21of the seal ring20. The inner peripheral face312of the annular rib311abuts the outer peripheral face22of the peripheral wall21of the seal ring20, and the upper face23of the seal ring20abuts the bottom face313of the upper cover31, providing a double airtight effect. The upper end of the inner box body32includes an upper face34. The upper face34of the inner box body32is located between the upper face23of the seal ring20and a bottom face318of the annular rib311after the seal ring20is inserted into the annular groove321of the inner boy body32, assuring the upper face23of the seal ring20to reliably abut the bottom face313of the upper cover31.

The upper cover31includes a peripheral wall314surrounding the outer peripheral face323of the inner box body32. The peripheral wall314of the upper cover31includes a plurality of hooks315. A plurality of hooking groove324is defined in the outer peripheral face323of the inner box body32. The hooks315of the upper cover31are engaged in the hooking groove324, securely coupling the upper cover31and the inner box body32together to enhance the airtight effect.

The shape of the outer box10can be cylindrical, cubic, ellipsoid, or any other geometric arrangement.

The upper lid11defines a compartment111therein for receiving a mirror, a photograph, an illuminating device, or any other objects.

The outer box body12further includes an insertion ring121. The insertion ring121and the outer box body12can be produced separately, and the insertion ring121can be securely inserted into the receiving space13of the outer box body12. The inner box body32further includes an engagement groove35in the outer peripheral face323. The insertion ring121includes a plurality of resilient tabs122engaged in the engagement groove35to retain the inner box body32in place.

The upper cover31further includes a top face having at least one high point316higher than a remaining portion of the top face. When the upper lid11is disposed on the top face of the upper cover31, the inner face of the upper lid11firstly presses against the at least one high point316(FIG. 3C) and the upper lid11is then further pressed, further enhancing the airtight effect between the upper lid31and the inner box body32.

The airtight cosmetic powder box further includes a hook device14mounted between the upper lid11and the outer box body12. In this embodiment, the hook device14includes a button141and a hook142mounted to the outer box body12. The hook142is operably connected to the button141. The upper lid11includes a lip143. The hook142engages with the lip143. The button141can be pressed to disengage the hook142from the lip143.

The airtight cosmetic powder box can further include a pivotal mechanism15(FIG. 1) mounted between the upper lid11and a side of the outer box body12opposite to the hook device14. The upper lid11includes a resilient member16(FIG. 3B). The resilient member16pushes the upper lid12outwards when the hook142of the hook device14disengages from the lip143.

The upper lid11can be comprised of a two-layer structure including a primary lid113and a secondary lid112. The secondary lid112can be transparent. A color paper or a paper having one or more figures can be received between the primary lid113and the secondary lid112.

In view of the foregoing, the airtight cosmetic powder box according to the present invention provides a reliable double airtight effect in which the inner peripheral face312of the annular rib311of the upper cover31abuts the outer peripheral face22of the peripheral wall21of the seal ring20, and the upper face23of the seal ring20abuts the bottom face313of the upper cover31.