摘要：
A cosmetic tool comprises a brush head (10), a material core (20), a movable sleeve (30), a fixed sleeve (40), and a transmission structure. The material core (20) is mounted in the movable sleeve (30), the brush head (10) is located at one end of the movable sleeve (30) and is arranged opposite the material core (20), and a discharge port is formed in an end face of the material core (20) facing the brush head (10). The fixed sleeve (40) is sleeved outside the movable sleeve (30), and the movable sleeve (30) can move along an axial direction. The fixed sleeve (40), the movable sleeve (30) and the brush head (10) are connected by means of a transmission structure, and when the movable sleeve (30) moves along the axial direction, the movable sleeve (30) drives the brush head (10) to turn over by means of the transmission structure, so as to dip in a cosmetic substance at the discharge port. The cosmetic substance of the cosmetic tool has a simple dipping operation. In addition, the material core and the brush head are integrated into one component, which is convenient to carry.
权利要求：
1. A cosmetic tool, comprising: a brush head; a material core loaded with a cosmetic substance; a moving sleeve, wherein the material core is mounted in the moving sleeve, the brush head is located at one end of the moving sleeve and disposed opposite to the material core, and an end face of the material core facing the brush head is provided with a discharge port; a fixed sleeve, wherein the fixed sleeve is sleeved outside the moving sleeve, and the moving sleeve is movable along an axial direction; and a transmission structure through which the fixed sleeve, the moving sleeve and the brush head are connected; wherein when the moving sleeve moves along the axial direction, the moving sleeve drives the brush head to turn over through the transmission structure, so as to dip in a cosmetic substance at the discharge port.
2. The cosmetic tool according to claim 1, wherein the transmission structure comprises a transmission mechanism through which the fixed sleeve, the moving sleeve and the brush head are connected; wherein when the moving sleeve moves along the axial direction, the moving sleeve drives the brush head to turn over through the transmission mechanism, so as to dip in a cosmetic substance at the discharge port.
3. The cosmetic tool according to claim 2, wherein the transmission mechanism comprises a rack and an engaging gear for engaging with and mating with the rack, the rack is disposed on an inner wall of the fixed sleeve and extends along an axial direction of the moving sleeve, and the engaging gear is mounted on an outer wall of the moving sleeve and connected with the brush head; wherein when the moving sleeve moves along the axial direction, the rack drives the engaging gear to rotate, and the engaging gear drives the brush head to turn over.
4. The cosmetic tool according to claim 3, wherein the transmission mechanism comprises multiple transmission gears, the engaging gear and the multiple transmission gears are sequentially engaged along a direction of the material core towards the brush head and along the axial direction of the moving sleeve, and the outer diameters of the transmission gears are each smaller than that of the engaging gear, and one of the transmission gears is connected with the brush head.
5. The cosmetic tool according to claim 4, wherein the brush head comprises a brush head holder and a dipping member for dipping in the cosmetic substance, an outer peripheral wall of the brush head holder is provided with a connecting post, an inner wall of the moving sleeve is provided with a connecting hole, and the connecting post penetrates through the connecting hole and is then connected with the transmission gear.
6. The cosmetic tool according to claim 5, wherein the brush head further comprises a first elastic member and a connecting shaft, the brush head holder has an opening-shaped mounting cavity, the dipping member is mounted as covering the opening of the mounting cavity, the brush head holder is provided with a rotating hole communicated with the mounting cavity, the rotating hole is disposed opposite to the connecting post, the connecting shaft is inserted into the mounting cavity from the rotating hole, and one end of the connecting shaft facing the rotating hole is fixedly connected with the moving sleeve; wherein the first elastic member is sleeved on the connecting shaft, one end of the connecting shaft facing away from the rotating hole is connected with one end of the first elastic member, the other end of the first elastic member is connected with the brush head holder, and the first elastic member is used for driving the brush head holder to turn over reversely, so that the dipping member is disposed as facing away from the material core.
7. The cosmetic tool according to claim 5, wherein the outer peripheral wall of the brush head holder is provided with a semicircular groove centered on a rotation axis around which the brush head holder rotates, the inner wall of the moving sleeve is provided with a limiting post that is inserted into the semicircular groove and movable in the semicircular groove along with the rotation of the brush head holder to limit the overturning angle of the brush head holder; or alternatively, the inner wall of the moving sleeve is provided with a semicircular groove centered on a rotation axis around which the brush head holder rotates, the outer peripheral wall of the brush head holder is provided with a limiting post that is inserted into the semicircular groove and movable in the semicircular groove along with the rotation of the brush head holder to limit the overturning angle of the brush head holder.
8. The cosmetic tool according to claim 6, wherein the dipping member is detachably connected with the brush head holder; or alternatively, the material core is fixedly connected with the moving sleeve.
9. The cosmetic tool according to claim 1, wherein the inner wall of the fixed sleeve is provided with a guide groove extending along the axial direction, the outer peripheral wall of the moving sleeve is provided with a guide protrusion inserted into the guide groove; or alternatively, the inner wall of the fixed sleeve is provided with a guide groove extending along the axial direction, and the inner wall of the moving sleeve is provided with a guide protrusion.
10. The cosmetic tool according to claim 9, wherein the cosmetic tool further comprises a second elastic member located in the guide groove, one end of the second elastic member is connected with the fixed sleeve, the other end of the second elastic member is connected with the guide projection, and the second elastic member is used for driving the moving piece to move away from the brush head.
11. The cosmetic tool according to claim 1, wherein the brush head is rotatably connected with the moving sleeve, the brush head is provided with a connecting shaft, and the rotating structure comprises a semicircular hole and a limiting groove; the semicircular hole is disposed on the inner wall of the moving sleeve and centered on the rotation axis of the brush head, a connecting line between two ends of the semicircular hole is parallel to the axial direction of the moving sleeve, the limiting groove is disposed on the inner wall of the fixed sleeve and perpendicular to the axial direction of the moving sleeve, and an end portion of the connecting shaft is disposed as passing through the semicircular hole and the limiting groove.
12. The cosmetic tool according to claim 11, wherein the inner wall of the moving sleeve is provided with a rotation post, a peripheral wall of the brush head is provided with a rotation groove, and the rotation post is rotatably connected in the rotation groove; or alternatively, the inner wall of the moving sleeve is provided with a rotation groove, and a peripheral wall of the brush head is provided with a rotation post that is rotatably connected in the rotation groove.
13. The cosmetic tool according to claim 12, wherein the rotation groove is an elongated groove parallel to the axial direction of the moving sleeve; the inner wall of the moving sleeve is further provided with a linear hole that is communicated with the end portion of the semicircular hole and extends along the axial direction of the moving sleeve and away from the semicircular hole.
14. The cosmetic tool according to claim 13, wherein both ends of the semicircular hole are communicated with the linear hole.
15. The cosmetic tool according to claim 11, wherein the moving sleeve comprises a moving sleeve body and two moving arms, and the two moving arms are respectively connected with two opposite sides of the moving sleeve body and extend along the axial direction of the moving sleeve body and away from the moving sleeve body; the material core is mounted in the moving sleeve body, the brush head is rotatably connected between the two moving arms, each of the two moving arms is provided with the semicircular hole, and both ends of the connecting shaft are disposed as respectively passing through the two semicircular holes.
16. The cosmetic tool according to claim 15, wherein the distance between the two moving arms is smaller than the outer diameter of the material core, and the outer diameter of the material core is smaller than the inner diameter of the moving sleeve.
17. The cosmetic tool according to claim 11, wherein the fixed sleeve comprises a fixed sleeve body and two fixed arms, and the two fixed arms are respectively connected with two opposite sides of the fixed sleeve body and extend along the axial direction of the fixed sleeve and away from the fixed sleeve body; the fixed sleeve body is sleeved outside the moving sleeve, each of the two moving arms is provided with the limiting groove, and both ends of the connecting shaft are respectively inserted into the two limiting grooves.
18. The cosmetic tool according to claim 11, wherein the cosmetic tool further comprises an elastic member sleeved outside the moving sleeve, and both ends of the elastic member are respectively connected with the moving sleeve and the fixed sleeve.
19. The cosmetic tool according to claim 11, wherein the brush head comprises a brush head holder, a fixing member and a dipping member for dipping in the cosmetic substance and capable of brushing the cosmetic substance onto the skin, the dipping member is mounted on the fixing member, the connecting shaft is connected with the brush head holder, and the brush head holder is rotatably connected with the moving sleeve; a buckle is disposed on the fixing member, and a clamping groove into which the buckle is snapped is disposed on the brush head holder; or alternatively, a clamping groove is disposed on the fixing member, and a buckle snapped into the clamping groove is disposed on the brush head holder.
20. The cosmetic tool according to claim 1, wherein the material core and the moving sleeve are detachably connected; or alternatively, the material core and the moving sleeve are fixedly connected.