Lip gloss device

Abstract

In the field of cosmetic technology, a lip gloss device is provided. [Solution] A liftable brush rod 40 is installed within the lower cavity 200. The brush rod is connected to the lower case 20 via a rotating assembly 30. Rotation of the lower case allows the brush rod to move up and down relative to the upper case 10 and rotate around its axis. An agitating structure 42 is installed on the outer wall of the brush rod located within the upper cavity 100. During use, simply rotating the lower case causes the brush head 41 to dispense lip gloss paste from the upper cavity and protrude from the upper cavity. This simplifies the manual operation of dispensing and removing lip gloss paste with the brush head and prevents the brush head from slipping out of the container opening, resulting in lip gloss paste getting on the container body or fingers. Furthermore, an agitating structure is installed on the outer wall of the brush rod within the upper cavity. When the lower case is rotated, the agitating structure rotates along with the brush rod, agitating the lip gloss paste in the upper cavity. This not only prevents the lip gloss paste from solidifying, but also allows the lip gloss paste remaining at a higher position in the upper cavity to be scraped out while being stirred, making it possible to use all of it and avoiding waste of lip gloss paste.

Description

[Technical Field]

[0001] The present application relates to the field of cosmetic technology, and in particular to lip gloss devices. [Background technology]

[0002] Lip gloss is a type of lip cosmetic and is also a liquid lipstick. Its characteristics include moisture, gloss, and ease of application. It has a thick texture and looks similar to lip lacquer, but is an evolved version of lip gloss, combining the features of both lipstick and lip jelly. Summary of the Invention [Problem to be solved by the invention]

[0003] In related art, lip glosses typically have a three-component structure: a container body, a brush rod, and a cap. The container body is filled with lip gloss paste. To use the product, the user must twist the cap open, then manually agitate the brush rod at an angle within the container body to apply lip gloss paste to the brush head at the tip of the brush rod, and then pull out the entire brush rod. This operation is not labor-saving, and the brush easily slips off the container opening during cap removal, resulting in lip gloss paste getting on the container body or fingers. Furthermore, lip gloss paste remaining higher up in the container body is difficult to use, resulting in wasted lip gloss paste. [Means for solving the problem]

[0004] The present embodiment aims to provide a lip gloss device that simplifies the manual operation of applying lip gloss paste to the brush head and then removing it, prevents the lip gloss paste from sticking to the container body or fingers, and avoids waste of lip gloss paste. The specific technical solutions are as follows:

[0005] An embodiment of the present application provides a lip gloss device, the lip gloss device comprising: The cosmetic device comprises an upper case, a lower case, and a rotating assembly, wherein the lower case is installed at the bottom of the upper case and can rotate around an axis relative to the upper case, a first opening is installed at the top of the upper case, the internal space of which forms an upper cavity, and the internal space of the lower case forms a lower cavity, a liftable brush rod is installed in the lower cavity, the brush rod is connected to the lower case via the rotating assembly, and can move up and down relative to the upper case and rotate around the axis by rotating the lower case, a brush head is installed at the top of the brush rod, and the brush head extends upward into the upper cavity, and an agitating structure is installed on the outer wall of the brush rod located in the upper cavity, and while the brush rod is lifting, the brush head applies lip gloss paste in the upper cavity and protrudes out of the upper cavity through the first opening, and while the brush rod is rotating, the agitating structure can agitate the lip gloss paste in the upper cavity.

[0006] In some embodiments of the present application, the stirring structure is a spring, which is fixedly mounted over the brush rod, and the diameter of the lower end of the spring is larger than the diameter of the upper end, so that the spring can rotate along with the brush rod and stir the lip gloss paste in the upper cavity.

[0007] In some embodiments of the present application, the stirring structure comprises a plurality of stirring blades, which are spaced apart around the brush rod, and which rotate together with the brush rod to stir the lip gloss paste in the upper cavity.

[0008] In some embodiments of the present application, the rotating assembly is installed in the lower cavity and comprises a first sleeve and a second sleeve, the first sleeve is fixedly connected to the bottom of the lower case, a portion of the brush rod is installed within the first sleeve and is power-transmittingly connected to the first sleeve, the second sleeve is installed over the outside of the first sleeve and has a top portion fixedly connected to the upper case, and by rotating the lower case, the first sleeve can be driven to raise and lower the brush rod relative to the second sleeve and rotate it around its axis.

[0009] In some embodiments of the present application, two straight bar-shaped grooves are provided at opposite positions on the first sleeve, two spiral grooves with the same twist direction are provided at opposite positions on the inner wall of the second sleeve, a brush rod base is provided at the bottom of the brush rod, and one pin protruding from the brush rod base is provided on each side of the brush rod base, the pins are slidably connected to the bar-shaped grooves and the spiral grooves, respectively, and when the lower case drives the first sleeve to rotate around its axis relative to the second sleeve, the pins drive the brush rod base to rise or fall spirally along the spiral grooves and rise or fall along the bar-shaped grooves, so that the brush rod rises and falls relative to the second sleeve and rotates around its axis.

[0010] In some embodiments of the present application, a first annular boss is provided at the bottom of the first sleeve, and the first annular boss is fitted into the inner wall of the lower case, allowing the first sleeve to rotate along with the lower case; a second opening is provided at the bottom of the upper case, and the top of the second sleeve passes through the second opening and fits into the inner wall of the upper case, allowing the second sleeve to maintain a relatively stationary state when the lower case rotates; and the bottom of the second sleeve abuts against the first annular boss.

[0011] In some embodiments of the present application, the lip gloss device further includes a first rubber plug, and a second annular boss facing inward is provided on the inner wall of the top of the second sleeve, the first rubber plug is fixedly installed at the center of the second annular boss, and a through hole is provided at the center of the first rubber plug, the brush rod passes through the through hole of the first rubber plug, the brush head and the stirring structure are positioned in the upper cavity, and the diameter of the through hole of the first rubber plug is the same as the diameter of the brush rod, so that the first rubber plug seals the bottom of the upper cavity.

[0012] In some embodiments of the present application, the lip gloss device further includes a second rubber plug, which is fixedly installed in the first opening and has a through hole in its center. The diameter of the through hole of the second rubber plug is the same as the diameter of the brush rod, so that when the brush head passes through the second rubber plug and protrudes out of the upper cavity, the second rubber plug can seal the top of the upper cavity.

[0013] In some embodiments of the present application, the lip gloss device further includes a dustproof cap, which is arranged to cover the outside of the upper case and is removably connected to the upper case, and a sealing plug is installed at the top of the dustproof cap and protrudes toward the first opening, and the sealing plug seals the through hole of the second rubber plug.

[0014] In some embodiments of the present application, the sealing plug passes through the first opening and is inserted into the middle of the upper cavity.

[0015] In some embodiments of the present application, an insertion groove is provided at the top of the rod body of the brush rod, and the brush head has its bottom inserted into the insertion groove and is detachably connected to the rod body of the brush rod. [Effects of the Invention]

[0016] In the lip gloss device provided by the present application, the brush rod can be raised and lowered relative to the upper case and rotated around its axis by rotating the lower case. When using the lip gloss device, simply rotating the lower case allows the brush head to dispense lip gloss paste into the upper cavity and protrude from the upper cavity. This simplifies the manual operation of dispensing and withdrawing the brush head, and prevents the brush head from slipping out of the container opening, resulting in lip gloss paste getting on the container body or fingers. Furthermore, a stirring structure is installed on the outer wall of the brush rod inside the upper cavity. When the lower case is rotated, the stirring structure rotates along with the brush rod, stirring the lip gloss paste inside the upper cavity. This not only prevents the lip gloss paste from solidifying, but also stirs and scrapes out any lip gloss paste remaining higher in the upper cavity, allowing it to be used without residue and avoiding waste. Unlike prior art, which requires the entire brush rod to be withdrawn from the container body, the brush rod itself remains inside the lip gloss device, making operation more labor-saving and easier. Furthermore, contamination of the lip gloss paste caused by the brush rod coming into contact with the external environment and then being housed in the container body can be avoided, and there is also the effect of preventing hands from becoming sticky or dirty. Of course, implementing any product of the present application does not necessarily require the realization of all of the above advantages at the same time. [Brief explanation of the drawings]

[0017] Hereinafter, in order to more clearly explain the technical solutions of the embodiments of the present application and the prior art, drawings necessary for the embodiments or the prior art will be briefly described. However, the drawings described below are only a part of the embodiments of the present application, and it is obvious that a person skilled in the art can derive other drawings based on these drawings.

[0018] [Figure 1] FIG. 1 is a structural schematic diagram of a lip gloss device according to an embodiment of the present application. [Figure 2]FIG. 2 is a structural schematic diagram of a lip gloss device according to an embodiment of the present application in use. [Figure 3] FIG. 3 is a cross-sectional view of the lip gloss device shown in FIG. [Figure 4] FIG. 4 is a cross-sectional view of the lip gloss device shown in FIG. [Figure 5] FIG. 5 is a perspective view of a first embodiment of the brush rod shown in FIG. [Figure 6] FIG. 6 is a perspective view of a second embodiment of the brush rod shown in FIG. [Figure 7] FIG. 7 is a perspective view of the first sleeve shown in FIG. [Figure 8] FIG. 8 is a cross-sectional view of the first sleeve shown in FIG. [Figure 9] 9 is a perspective view of the second sleeve shown in FIG. 3. FIG. [Figure 10] FIG. 10 is a cross-sectional view of the second sleeve shown in FIG. [Figure 11] FIG. 11 is a cross-sectional view of the upper case shown in FIG. [Figure 12] FIG. 12 is a cross-sectional view of the lower case shown in FIG. [Figure 13] FIG. 13 is a cross-sectional view of the dustproof cap shown in FIG. DETAILED DESCRIPTION OF THE INVENTION

[0019] The technical solutions according to the embodiments of the present application will be described below clearly and completely with reference to the drawings of the embodiments of the present application. It is clear that the described embodiments are only a part of the embodiments of the present application, not all of the embodiments of the present application. All other embodiments that can be obtained by those skilled in the art based on the embodiments of the present application are included in the protection scope of the embodiments of the present application.

[0020] As mentioned in the Background Art, lip gloss is a type of lip cosmetic and a liquid lipstick. Its characteristics include moisture, gloss, and ease of application. It has a thick texture and looks similar to lip lacquer, but is an evolved version of lip gloss, combining the features of both lipstick and lip jelly.

[0021] In related art, lip glosses typically have a three-component structure: a container body, a brush rod, and a cap. The container body is filled with lip gloss paste. To use the product, the user must twist the cap open, then manually agitate the brush rod at an angle within the container body to apply lip gloss paste to the brush head at the tip of the brush rod, and then pull out the entire brush rod. This operation is not labor-saving, and the brush easily slips off the container opening during cap removal, resulting in lip gloss paste getting on the container body or fingers. Furthermore, lip gloss paste remaining higher up in the container body is difficult to use, resulting in wasted lip gloss paste.

[0022] The embodiments of the present application provide a lip gloss device that simplifies the operation of manually applying lip gloss paste to the brush head and then pulling it out, prevents the lip gloss paste from sticking to the container body or fingers, and avoids waste of lip gloss paste. The details are described below.

[0023] Referring to Figures 1 to 4, Figure 1 is a structural schematic diagram of a lip gloss device according to an embodiment of the present application, Figure 2 is a structural schematic diagram of a lip gloss device according to an embodiment of the present application when in use, Figure 3 is a cross-sectional view of the lip gloss device shown in Figure 1, and Figure 4 is a cross-sectional view of the lip gloss device shown in Figure 2.

[0024] 1 to 4, the lip gloss device includes an upper case 10, a lower case 20, and a rotating assembly 30. The lower case 20 is installed at the bottom of the upper case 10 and can rotate relative to the upper case 10 around an axis.

[0025] The upper case 10 has a first opening 111 at its top, the internal space of which forms the upper cavity 100, and the internal space of the lower case 20 forms the lower cavity 200. A brush rod 40 that can move up and down is installed in the lower cavity 200. The brush rod 40 is connected to the lower case 20 via a rotating assembly 30, and can move up and down relative to the upper case 10 and rotate around its axis as the lower case 20 is rotated.

[0026] A brush head 41 is installed on the top of the brush rod 40, and the brush head 41 extends upward into the upper cavity 100. An agitating structure 42 is installed on the outer wall of the brush rod 40 located in the upper cavity 100.

[0027] While the brush rod 40 is ascending, the brush head 41 deposits the lip gloss paste in the upper cavity 100 and protrudes out of the upper cavity 100 through the first opening 111. While the brush rod 40 is rotating, the stirring structure 42 stirs the lip gloss paste in the upper cavity 100.

[0028] In the lip gloss device provided by the present embodiment, the brush rod 40 can move up and down relative to the upper case 10 and rotate about its axis by rotating the lower case 20. When using the lip gloss device, simply rotating the lower case 20 causes the brush head 41 to dispense lip gloss paste into the upper cavity 100 and protrude from the upper cavity 100. This simplifies the manual operation of dispensing and removing lip gloss paste from the brush head 41 and prevents the brush head 41 from slipping out of the container opening, resulting in lip gloss paste getting on the container body or fingers. Furthermore, a stirring structure 42 is provided on the outer wall of the brush rod 40 within the upper cavity 100. When the lower case 20 is rotated, the stirring structure 42 rotates along with the brush rod 40, stirring the lip gloss paste in the upper cavity 100. This not only prevents the lip gloss paste from solidifying, but also stirs and scrapes out any lip gloss paste remaining higher in the upper cavity 100, allowing it to be used without residue and avoiding waste of lip gloss paste. Unlike the prior art, where the entire brush rod is pulled out from the container body, the rod body of the brush rod 40 remains inside the lip gloss device, making operation easier and less labor-intensive. This also prevents the lip gloss paste from being contaminated by the brush rod 40 being housed inside the container body after coming into contact with the external environment, and also prevents hands from becoming sticky or dirty.

[0029] Specifically, as shown in Figures 1 and 3, the lip gloss device further includes a dust cap 60, which is combined with the lower case 20 to form the outer shell of the lip gloss device. The outer shell of the lip gloss device may be cylindrical as shown in Figures 1 and 3; in other embodiments of the present application, the outer shell of the lip gloss device may be prismatic or have other shapes, but this application is not limited thereto. Furthermore, the outer walls of the dust cap 60 and the lower case 20 are each provided with a plurality of recessed areas, which gives the outer shell of the lip gloss device a wavy contour, providing a non-slip function and increasing the comfort of holding the outer shell with a human hand.

[0030] When using the lip gloss device, first remove the dustproof cap 60, grasp the upper case 10 with your hands, and rotate the lower case 20, causing the brush head 41 of the brush rod 40 to apply lip gloss paste inside the upper cavity 100 and protrude from the first opening 111. After use, rotate the lower case 20 in the opposite direction to retract the brush head 41 of the brush rod 40 into the upper cavity 100.

[0031] Furthermore, the upper case 10 and the lower case 20 are coaxial, and the brush rod 40 and the first opening 111 are both located on this axis, so the brush rod 40 can smoothly rise and fall, protruding from and retracting into the upper cavity 100.

[0032] 3 and 4, the upper sidewall of the upper case 10 has a conical shape at the top and a cylindrical shape at the bottom. This design gives the lip gloss device a more streamlined profile. Furthermore, the conical shape of the upper portion helps prevent excess lip gloss paste from being trapped in the upper cavity 100 when the brush head 41 is lifting, thereby preventing waste due to excessive adhesion to the brush head 41.

[0033] 3 and 4, the agitating structure 42 is a spring 42A. The spring 42A is fixedly provided over the brush rod 40. The fixing method between the spring 42A and the brush rod 40 is not limited in the present application, and may be adhesive or fitting as shown in FIGS.

[0034] The diameter of the lower end of the spring 42A is larger than the diameter of the upper end thereof, so that the spring 42A can rotate together with the brush rod 40 and stir the lip gloss paste in the upper cavity 100. According to the embodiment of the present application, by using the spring 42A as the stirring structure 42, the structure of the stirring structure 42 is simplified and assembly is facilitated. Furthermore, the contact area between the spring 42A and the lip gloss paste is large, so stirring is more thorough.

[0035] In some embodiments of the present application, referring to Figures 5 and 6, Figure 5 is a perspective view of a first embodiment of the brush rod shown in Figure 3, and Figure 6 is a perspective view of a second embodiment of the brush rod shown in Figure 3. As shown in Figures 3 to 6, the agitating structure 42 does not use the spring 42A, and an agitating blade 421 can be used instead of the spring 42A, as described below.

[0036] 6, the stirring structure 42 includes a plurality of stirring blades 421, which are spaced apart around the brush rod 40. The stirring blades 421 rotate along with the brush rod 40 to stir the lip gloss paste in the upper cavity 100. The stirring blades 421 may be integrally formed with the brush rod 40, or may be manufactured separately and fixedly connected.

[0037] According to the embodiment of the present application, by installing multiple stirring blades 421, the lip gloss paste in the upper cavity 100 can be stirred when the brush rod 40 rotates. This not only prevents the lip gloss paste from solidifying, but also allows lip gloss paste remaining in higher positions in the upper cavity 100 to be scraped out while being stirred, allowing all of the lip gloss paste to be used and preventing waste of lip gloss paste. Furthermore, the stirring structure 42 has a simple structure, is lightweight, and occupies a small space.

[0038] Specifically, the agitating blades 421 may be blade-shaped, frame-shaped, spiral-shaped, or the like, but the shape and number thereof are not limited in the present application. In the embodiment shown in Fig. 6, the agitating blades 421 are flat blades, and there are four of them, and the four agitating blades 421 are installed at equal intervals in the circumferential direction along the outer wall of the brush rod 40.

[0039] When using stirring blades 421, multiple sets of stirring structures 42 can be installed. For example, four stirring blades 421 as shown in FIG. 6 form one set of stirring structure 42, and multiple sets of stirring structures 42 can be installed at intervals in the vertical direction around the brush rod 40. According to the embodiment of the present application, installing multiple sets of stirring structures 42 improves stirring efficiency and allows for more thorough stirring.

[0040] The lengths of the stirring blades 421 in one set of stirring structures 42 may be the same or different, but the lengths must satisfy the requirement that the outer diameter of the brush rod 40 in said stirring structure 42, i.e., the sum of the diameter of the rod body of the brush rod 40 in cross section and the lengths of the stirring blades 421 on both sides, does not exceed the inner diameter of the tip of the upper case 10. This allows the stirring structure 42 to move to a higher position in the upper cavity 100 along with the brush rod, and to sufficiently stir the lip gloss paste at that position.

[0041] When there are multiple stirring structures 42, the outer diameter of the brush rod 40 in each stirring structure 42 can be gradually increased from the high position to the low position, thereby further improving the stirring effect.

[0042] In some embodiments of the present application, as shown in Figures 3 and 4, an insertion groove 45 is provided at the top of the rod body of the brush rod 40, and the brush head 41 is inserted at its bottom into the insertion groove 45 and removably connected to the rod body of the brush rod 40.

[0043] Specifically, the insertion groove 45 extends in the longitudinal direction, and its cross-sectional shape may be rectangular, circular, or other shapes, but is not limited to these shapes in the present application. The cross-sectional shape of the bottom of the brush head 41 coincides with the insertion groove 45.

[0044] According to the embodiment of the present application, the brush head 41 and the rod body of the brush rod 40 are removably connected, so that the brush head 41 of the lip gloss device can be replaced if it becomes dirty or damaged, thereby increasing the service life of the lip gloss device.

[0045] In some embodiments of the present application, as shown in FIGS. 3 and 4, the rotating assembly 30 is installed in the lower cavity 200 and includes a first sleeve 31 and a second sleeve 32.

[0046] The first sleeve 31 is fixedly connected to the bottom of the lower case 20 , and a portion of the brush rod 40 is installed within the first sleeve 31 and is connected to the first sleeve 31 via power transmission.

[0047] The second sleeve 32 is provided so as to cover the outside of the first sleeve 31, and its top is fixedly connected to the upper case 10.

[0048] By driving the lower case 20 to rotate, the first sleeve 31 can be driven to raise and lower the brush rod 40 relative to the second sleeve 32 and rotate it about its axis.

[0049] According to the embodiment of the present application, the first sleeve 31 is fixedly connected to the lower case 20, and the second sleeve 32 is fixedly connected to the upper case 10. As a result, when using the lip gloss device, simply gripping the upper case 10 restricts rotation of the second sleeve 32, and simply rotating the lower case 20 allows the first sleeve 31 to rotate the brush rod 40. This simplifies the operation of manually applying lip gloss paste to the brush head 41 and removing it, and prevents lip gloss paste from adhering to the container body or fingers due to the brush head 41 slipping out of position from the container opening. The coaxial, fitted installation of the first sleeve 31, second sleeve 32, and lower case 20 increases the space utilization rate of the lower cavity 200, allowing for a more compact structure for the lip gloss device.

[0050] 7 to 12, in some embodiments of the present application, Fig. 7 is a perspective view of the first sleeve shown in Fig. 3, Fig. 8 is a cross-sectional view of the first sleeve shown in Fig. 7, Fig. 9 is a perspective view of the second sleeve shown in Fig. 3, Fig. 10 is a cross-sectional view of the second sleeve shown in Fig. 9, Fig. 11 is a cross-sectional view of the upper case shown in Fig. 3, and Fig. 12 is a cross-sectional view of the lower case shown in Fig. 3. As shown in Figs. 3, 4, and 7 to 10, a first annular boss 312 is provided at the bottom of the first sleeve 31, and the first annular boss 312 is fitted into the inner wall of the lower case 20, allowing the first sleeve 31 to rotate together with the lower case 20.

[0051] A second opening 112 is provided at the bottom of the upper case 10, and the top of the second sleeve 32 passes through the second opening 112 and engages with the inner wall of the upper case 10, allowing the second sleeve 32 to maintain a relatively stationary state when the lower case 20 rotates, and the bottom of the second sleeve 32 abuts against the first annular boss 312.

[0052] 7 and 8, the bottom portion of the first sleeve 31 protrudes outward to form a first annular boss 312, which is fitted into the inner wall of the bottom of the lower case 20. The inside of the first annular boss 312 is used to house the brush rod base 43, and the upper surface of the first annular boss 312 is used to regulate the position of the second sleeve 32 in the longitudinal direction.

[0053] According to the embodiment of the present application, a first annular boss 312 is installed at the bottom of the first sleeve 31, so that the first sleeve 31 can be fitted into the lower case 20 and its position in the longitudinal direction relative to the second sleeve 32 without adding any anti-rotation member or position control member, thereby making the structure of the lip gloss device simple and compact.

[0054] 7 and 11, first annular boss 312 has a plurality of first protrusions 3121 that are spaced apart in the circumferential direction along the outer wall of first annular boss 312 to form a plurality of first grooves 3122. Correspondingly, a plurality of first anti-rotation inserts 210 are provided on the bottom of the inner wall of lower case 20.

[0055] When the first sleeve 31 and the lower case 20 are connected, the first sleeve 31 is inserted into the lower cavity 200, and each of the first anti-rotation inserts 210 is inserted and fitted into the corresponding first groove 3122. Both sides of each first anti-rotation insert 210 are in close contact with the first protrusion 3121, preventing the first sleeve 31 from rotating relative to the lower case 20.

[0056] 9 and 12, the second sleeve 32 is fitted in the same manner as the upper case 10. Specifically, a plurality of second protrusions 121 are provided on the bottom of the inner wall of the upper case 10, and the plurality of second protrusions 121 are provided at intervals in the circumferential direction along the inner wall of the upper case 10, thereby forming a plurality of second grooves 122. Correspondingly, a plurality of second anti-rotation inserts 325 are provided on the outer wall of the tip of the second sleeve 32.

[0057] When the second sleeve 32 and the upper case 10 are connected, the upper case 10 is placed over the top of the second sleeve 32, and each second anti-rotation insert 325 is inserted into the corresponding second groove 122 to fit in. Both sides of each second anti-rotation insert 325 are in close contact with the second protrusion 121, preventing the second sleeve 32 from rotating relative to the upper case 10.

[0058] The number of each protrusion and anti-rotation insert is not limited in this application, as long as the number of anti-rotation inserts does not exceed the number of protrusions.

[0059] 3, 4, 9, and 10, an annular sealing groove 323 is formed in the outer wall of second sleeve 32 at the portion where second sleeve 32 fits into the inner wall of upper case 10, and a sealing ring 324 is correspondingly installed in the annular space surrounded by sealing groove 323 and the inner wall of upper case 10. Sealing ring 324 is made of a material such as silicone or rubber, and can have an outer diameter slightly larger than the diameter of second opening 112. Sealing ring 324 is used to seal and securely connect second sleeve 32 and upper case 10.

[0060] In some embodiments of the present application, as shown in Figures 3, 4, and 7 to 10, two straight bar-shaped grooves 311 are provided at opposite positions on the first sleeve 31, and the bar-shaped grooves 311 are through grooves that penetrate the cylindrical wall of the first sleeve 31. Two spiral grooves 321 with the same twist direction are provided at opposite positions on the inner wall of the second sleeve 32.

[0061] A brush rod base 43 is installed at the bottom of the brush rod 40, and a pin 44 is installed on each side of the brush rod base 43, protruding from the brush rod base 43. The pin 44 is slidably connected to the bar-shaped groove 311 and the spiral groove 321, respectively.

[0062] When the lower case 20 drives the first sleeve 31 to rotate around the axis relative to the second sleeve 32, the pin 44 drives the brush rod base 43 to rise or fall spirally along the spiral groove 321 and rise or fall along the bar-shaped groove 311, causing the brush rod 40 to rise and fall relative to the second sleeve 32 and rotate around the axis.

[0063] 3 and 4, the pins 44 on both sides of the brush rod base 43 correspond to the bar-shaped grooves 311 on both sides of the first sleeve 31 and the spiral grooves 321 on both sides of the inner wall of the second sleeve 32. The outer diameter of the brush rod base 43 is equal to or smaller than the inner diameter of the first sleeve 31. When the brush rod 40 is in the lowest position, the brush rod base 43 contacts the top surface of the bottom plate of the lower case 20.

[0064] According to the embodiment of the present application, a spiral groove 321 is provided on the inner wall of the second sleeve 32, a bar-shaped groove 311 is provided on the first sleeve 31, and a brush rod base 43 with a pin 44 is provided at the bottom of the brush rod 40, with the pin 44 slidably connected to the bar-shaped groove 311 and the spiral groove 321, respectively. In this way, the movement of the pin 44 is controlled by rotating the lower case 20, thereby controlling the elevation of the brush rod 40, making the structure of the lip gloss device compact and easy to operate.

[0065] In some embodiments of the present application, the lip gloss device further comprises a first rubber plug 51, as shown in FIGS.

[0066] The second sleeve 32 has a second annular boss 322 on the inner wall at the top thereof, the second annular boss 322 being inwardly directed, and the first rubber plug 51 is fixedly installed at the center of the second annular boss 322 .

[0067] A through hole is provided in the center of the first rubber plug 51, and the brush rod 40 passes through the through hole of the first rubber plug 51, so that the brush head 41 and the stirring structure 42 are positioned in the upper cavity 100. The diameter of the through hole of the first rubber plug 51 is the same as the diameter of the brush rod 40, so that the first rubber plug 51 seals the bottom of the upper cavity 100.

[0068] 10, a second annular boss 322 is provided above the spiral groove 321 and protrudes inward, forming a stepped hole on the inside of the top of the second sleeve 32, with the diameter of the hole above the second annular boss 322 being larger than the inner diameter of the second annular boss 322. The contour of the first rubber plug 51 matches the shape of this stepped hole, forming an "U" shape, and is fitted onto the top of the second sleeve 32. The upper and lower end surfaces of the second annular boss 322 are used to position the first rubber plug 51 in the longitudinal direction.

[0069] The outer diameter of the first rubber plug 51 can be set to be slightly larger than the inner diameter of the second annular boss 322 , so that the first rubber plug 51 fits into the second annular boss 322 .

[0070] As shown in Figure 3, when the brush rod 40 is in the lowest position, the spring 42A is compressed and its bottom abuts against the top of the first rubber plug 51. As shown in Figure 4, when the brush rod 40 is in the highest position, the brush rod base 43 abuts against the bottom surface of the first rubber plug 51.

[0071] According to the embodiment of the present application, a first rubber plug 51 is installed at the top of the second sleeve 32, and the through hole of the first rubber plug 51 is always sealed by the brush rod 40, thereby separating the upper cavity 100 and the lower cavity 200 and preventing lip gloss paste from flowing from the upper cavity 100 to the lower cavity 200.

[0072] The through-hole of the first rubber plug 51 may be cylindrical or hopper-shaped as shown in Figures 3 and 4. The diameter of the through-hole gradually decreases from top to bottom, forming a tapered surface. When the brush rod 40 descends, this tapered surface acts as a guide. This allows any lip gloss paste remaining on the brush rod 40 to be scraped off as the brush rod 40 descends, preventing clogging of the through-hole.

[0073] In some embodiments of the present application, as shown in Figures 3 and 4, the lip gloss device further includes a second rubber plug 52. The second rubber plug 52 is fixedly installed in the first opening 111 and has a through hole at its center.

[0074] The diameter of the through hole of the second rubber plug 52 is the same as the diameter of the brush rod 40, so that when the brush head 41 passes through the second rubber plug 52 and protrudes out of the upper cavity 100, the second rubber plug 52 can seal the top of the upper cavity 100.

[0075] 12, a third annular boss 113 protruding inward is provided on the inner wall near the top of the upper case 10, thereby forming the first opening 111 as a stepped hole. Here, the diameter of the hole above the third annular boss 113 is larger than the inner diameter of the third annular boss 113. The contour shape of the second rubber plug 52 matches the shape of the first opening 111, and it is fitted into the first opening 111. The upper and lower end faces of the third annular boss 113 are used to regulate the position of the second rubber plug 52 in the longitudinal direction.

[0076] The size of the spring 42A is such that the diameter of its upper end is larger than the diameter of the through hole of the second rubber plug 52 and the diameter of its lower end is larger than the diameter of the through hole of the first rubber plug 51, thereby ensuring that the spring 42A is always positioned within the upper cavity 100.

[0077] According to the embodiment of the present application, when the brush head 41 penetrates the second rubber plug 52 and protrudes out of the upper cavity 100, the brush rod 40 blocks the through-hole of the second rubber plug 52, causing the second rubber plug 52 to enter a sealed state, preventing outside air and dust from entering the upper cavity 100 and preventing the lip gloss paste in the upper cavity 100 from flowing out through the first opening 111. This prevents leakage of the lip gloss paste and avoids contamination and solidification of the lip gloss paste.

[0078] In some embodiments of the present application, referring to Fig. 13, Fig. 13 is a cross-sectional view of the dustproof cap shown in Fig. 3. As shown in Figs. 3, 4, and 13, the dustproof cap 60 is provided to cover the outside of the upper case 10 and is removably connected to the upper case 10. A sealing plug 61 protruding toward the first opening 111 is provided at the top of the dustproof cap 60 and is used to seal the through hole of the second rubber plug 52.

[0079] 3, the dustproof cap 60 and the upper case 10 are connected by a longitudinal insertion / removal method. In another embodiment of the present application, the outer wall of the bottom of the upper case 10 and the inner wall of the dustproof cap 60 are both provided with threads, and the dustproof cap 60 can be attached and detached by rotating it to tighten or loosen it. The present application is not limited to a detachable connection method between the upper case 10 and the dustproof cap 60.

[0080] The outer diameter of the sealing plug 61 is equal to or larger than the diameter of the through hole of the second rubber plug 52, and the longitudinal length of the sealing plug 61 is not limited in the present application.

[0081] According to the embodiment of the present application, when the lip gloss device is not used for a long period of time, the lip gloss paste in the upper cavity 100 can be prevented from solidifying or being contaminated due to contact with the outside air or dust.

[0082] If the sealing plug 61 seals only the tip of the through-hole of the second rubber plug 52, when the lip gloss device is in the unused state shown in Figure 3, a large amount of lip gloss paste will accumulate above the brush head 41, forming a closed tensile film in the upper cavity 100 and blocking the first opening 111. When using the lip gloss device, if the dustproof cap 60 is removed and the lower case is rotated to raise the brush rod 40, the lip gloss paste above the brush head 41 will be pulled out of the upper cavity 100, causing a problem known as "lifting," resulting in wasted lip gloss paste.

[0083] 3 and 13, the longitudinal length of the sealing plug 61 can be set long, so that the sealing plug 61 can pass through the first opening 111 and be inserted into the middle of the upper cavity 100. The sealing plug 61 is on the same axis as the brush rod 40, and there is a certain gap between the sealing plug 61 and the brush rod 40.

[0084] When the lip gloss device is in the unused state shown in Figure 3, the sealing plug 61 prevents a large amount of lip gloss paste from accumulating above the brush head 41. When the lip gloss device is in use, even if the dustproof cap 60 is removed, the position where the sealing plug 61 was located is not immediately filled with lip gloss paste. This ensures a passage at this position, preventing the lip gloss paste from forming a closed tension film in the upper cavity 100 and blocking the first opening 111. When the brush rod 40 is rotated and raised, the total amount of lip gloss paste above the brush head 41 is small, so the amount dragged out is also small, preventing waste of lip gloss paste.

[0085] The above description is only a preferred embodiment of the present application, and does not limit the present application. Any amendments, equivalent replacements, modifications, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. [Explanation of symbols]

[0086] 10: upper case, 100: upper cavity, 111: first opening, 112: second opening, 113: third annular boss, 121: second protrusion, 122: second recessed groove, 20: Lower case, 200: Lower cavity, 210: First anti-rotation insert member, 30: Rotation assembly, 31: First sleeve, 311: Bar-shaped groove, 312: First annular boss, 3121: First protrusion, 3122: First recessed groove, 32: Second sleeve, 321: Spiral groove, 322: Second annular boss, 323: Sealing groove, 324: Sealing ring, 325: Second anti-rotation insert member, 40: Brush rod, 41: Brush head, 42: Agitation structure, 42A: Spring, 421: Agitation blade, 43: Brush rod base, 44: Pin, 45: Insertion groove, 51: First rubber plug, 52: Second rubber plug, 60: Dustproof cap, 61: Sealing plug.

Claims

1. A lip gloss device comprising an upper case (10), a lower case (20), and a rotating assembly (30); The lower case (20) is installed at the bottom of the upper case (10) and can rotate around an axis relative to the upper case (10); The upper case (10) has a first opening (111) at the top, the internal space of which forms an upper cavity (100), and the internal space of the lower case (20) forms a lower cavity (200). A brush rod (40) that can be raised and lowered is installed in the lower cavity (200), and the brush rod (40) is connected to the lower case (20) via the rotating assembly (30), and can rise and fall relative to the upper case (10) and rotate around an axis by the rotational drive of the lower case (20); A brush head (41) is installed at the top of the brush rod (40), and the brush head (41) extends upward into the upper cavity (100). An agitating structure (42) is installed on the outer wall of the brush rod (40) located in the upper cavity (100); During the process of the brush rod (40) ascending, the brush head (41) applies lip gloss paste in the upper cavity (100) and protrudes out of the upper cavity (100) through the first opening (111); During the rotation of the brush rod (40), the stirring structure (42) can stir the lip gloss paste in the upper cavity (100). A lip gloss device comprising:

2. The stirring structure (42) is a spring (42A), and the spring (42A) is fixedly provided over the brush rod (40), The diameter of the lower end of the spring (42A) is larger than the diameter of the upper end, so that the spring (42A) can rotate together with the brush rod (40) and agitate the lip gloss paste in the upper cavity (100).

2. The lip gloss device of claim 1.

3. The stirring structure (42) comprises a plurality of stirring blades (421), the plurality of stirring blades (421) being spaced apart around the brush rod (40); The plurality of stirring blades (421) rotate together with the brush rod (40) and can stir the lip gloss paste in the upper cavity (100).

2. The lip gloss device of claim 1.

4. The rotating assembly (30) is installed in the lower cavity (200) and includes a first sleeve (31) and a second sleeve (32); The first sleeve (31) is fixedly connected to the bottom of the lower case (20), and a portion of the brush rod (40) is installed in the first sleeve (31) and is power-transmittingly connected to the first sleeve (31); The second sleeve (32) is provided to cover the outside of the first sleeve (31), and its top is fixedly connected to the upper case (10); By rotating the lower case (20), the first sleeve (31) can be driven to raise and lower the brush rod (40) relative to the second sleeve (32) and rotate it around its axis. The lip gloss device according to any one of claims 1 to 3, characterized in that

5. Two straight bar-shaped grooves (311) are provided at opposing positions on the first sleeve (31), and two spiral grooves (321) having the same twist direction are provided at opposing positions on the inner wall of the second sleeve (32); A brush rod base (43) is installed at the bottom of the brush rod (40), and a pin (44) protruding from the brush rod base (43) is installed on each side of the brush rod base (43), and the pin (44) is slidably connected to the bar-shaped groove (311) and the spiral groove (321) in turn. When the lower case (20) drives the first sleeve (31) to rotate about an axis relative to the second sleeve (32), the pin (44) drives the brush rod base (43) to ascend or descend spirally along the spiral groove (321) and along the bar-shaped groove (311), thereby causing the brush rod (40) to ascend or descend relative to the second sleeve (32) and rotate about an axis.

5. The lip gloss device according to claim 4.

6. A first annular boss (312) is provided at the bottom of the first sleeve (31), and the first annular boss (312) is fitted into the inner wall of the lower case (20), so that the first sleeve (31) can rotate together with the lower case (20); A second opening (112) is provided at the bottom of the upper case (10), and the top of the second sleeve (32) passes through the second opening (112) and is fitted into the inner wall of the upper case (10), so that the second sleeve (32) can maintain a relatively stationary state when the lower case (20) rotates, and the bottom of the second sleeve (32) abuts against the first annular boss (312).

5. The lip gloss device according to claim 4.

7. The lip gloss device further comprises a first rubber plug (51); A second annular boss (322) is provided on the inner wall of the top of the second sleeve (32), and the first rubber plug (51) is fixedly provided at the center of the second annular boss (322). The first rubber plug (51) has a through hole at its center, and the brush rod (40) passes through the through hole of the first rubber plug (51), so that the brush head (41) and the stirring structure (42) are positioned in the upper cavity (100). The diameter of the through hole of the first rubber plug (51) is the same as the diameter of the brush rod (40), so that the first rubber plug (51) seals the bottom of the upper cavity (100).

5. The lip gloss device according to claim 4.

8. The lip gloss device further comprises a second rubber plug (52); The second rubber plug (52) is fixedly installed in the first opening (111), and has a through hole at its center; The diameter of the through hole of the second rubber plug (52) is the same as the diameter of the brush rod (40), so that when the brush head (41) passes through the second rubber plug (52) and protrudes out of the upper cavity (100), the second rubber plug (52) can seal the top of the upper cavity (100).

2. The lip gloss device of claim 1.

9. The lip gloss device further comprises a dust cap (60); The dustproof cap (60) is provided to cover the outside of the upper case (10) and is removably connected to the upper case (10), A sealing plug (61) protruding toward the first opening (111) is installed at the top of the dust cap (60), and the sealing plug (61) seals the through hole of the second rubber plug (52).

9. The lip gloss device according to claim 8.

10. The sealing plug (61) passes through the first opening (111) and is inserted into the middle of the upper cavity (100).

10. The lip gloss device of claim 9.

11. An insertion groove (45) is provided at the top of the rod body of the brush rod (40), and the bottom of the brush head (41) is inserted into the insertion groove (45) and is detachably connected to the rod body of the brush rod (40).

2. The lip gloss device of claim 1.

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