Cosmetic click pen

Abstract

The present application relates to a cosmetic click pen, comprising a button, a cover assembly, an elastic piece, a middle sleeve and a cartridge core assembly. First hooks are arranged on the button; first stop blocks, second stop blocks and third stop blocks are arranged on the cover assembly; second hooks and third hooks are arranged on the middle sleeve; the button is movably mounted in the cover assembly; the cartridge core assembly is inserted into the middle sleeve; the middle sleeve is movably mounted in the cover assembly; the elastic piece is mounted between the button and the middle sleeve; after assembly, the first hooks are snap-fitted to the first stop blocks, the second hooks are snap-fitted to the second stop blocks, and the elastic piece is in a compressed state; and when in use, the button compresses the second hooks under the action of an external force to enable the second hooks to be separated from the second stop blocks, and the elastic piece drives the middle sleeve and the cartridge core assembly to operate until the third hooks are snap-fitted to the third stop blocks. The cartridge core assembly in the cosmetic pen is completely arranged in the cover assembly, and therefore, the cartridge core assembly is not prone to being separated from the cover assembly, and thus cosmetic materials in the cartridge core assembly would not be polluted.

Description

Bounce makeup pencil Technical Field

[0001] The present application relates to cosmetic packaging technology, and in particular to a bouncing cosmetic pen. Background Art

[0002] Solid cosmetic materials such as lipstick, lip balm, and lip gloss are typically packaged in lipstick tubes, which consist of a core assembly and an outer cap that fits over the core assembly. To apply makeup, the user removes the outer cap and rotates the core assembly to remove the solid material. However, after repeated insertion and removal, the outer cap can easily fall off the core assembly, contaminating the cosmetic material and rendering it unusable, leading to a waste of resources.

[0003] Summary of the Invention

[0004] In order to overcome the above-mentioned defects, the present application provides a bouncing cosmetic pen, in which the middle bundle core component is completely placed inside the cover component, so the middle bundle core component is not easily separated from the cover component, and the cosmetic material in the middle bundle core component will not be contaminated, thereby improving the utilization rate of the cosmetic material and reducing the waste of resources.

[0005] The technical solution adopted by this application to solve its technical problems is:

[0006] The first hook is engaged with the first stop, the second hook is engaged with the second stop, and the middle core assembly is retracted into the cover assembly, and the elastic member is in a compressed state. When in use, the button squeezes the second hook under the action of external force to disengage the second hook from the second stop, and the elastic member drives the middle sleeve and the middle core assembly to operate until the third hook is engaged with the third stop, and the middle core assembly extends out of the cover assembly.

[0007] Optionally, the cover assembly includes an inner cover and an outer cover fixedly mounted on the inner cover, and the inner side wall of the inner cover is provided with the first stopper, the second stopper and the third stopper.

[0008] Optionally, the orthographic projection of the first stop on the horizontal plane is figure A, the orthographic projection of the second stop on the horizontal plane is figure B, and the orthographic projection of the third stop on the horizontal plane is figure C, and the figures A, B and C do not overlap.

[0009] Optionally, the inner cover is a cylindrical structure or a polygonal structure with openings at both ends and a hollow interior. When the inner cover is a cylindrical structure, the first stop block, the second stop block and the third stop block are located at different circumferential positions of the inner cover; when the inner cover is a polygonal structure, the first stop block, the second stop block and the third stop block are located on different inner side surfaces or at angles of the inner cover.

[0010] Optionally, the inner cover is a quadrangular prism structure, and the first stopper, the second stopper and the third stopper are located at different angles of the inner cover.

[0011] Optionally, the first stopper is located on a side of the second stopper close to the button, and the third stopper is located on a side of the second stopper away from the button.

[0012] Optionally, the inner side wall of the inner cover is provided with two first blocks, and the two first blocks are symmetrically arranged relative to the central axis of the inner cover. Correspondingly, two first hooks are provided on the button, and the two first hooks are symmetrically arranged along the central axis of the button.

[0013] Optionally, the button is provided with a pressing portion, the pressing portion is provided with a first inclined surface, and the second hook is provided with a second inclined surface matching the first inclined surface.

[0014] Optionally, the middle sleeve is provided with a first elastic sheet and a second elastic sheet, the first elastic sheet is provided with the second hook, the second elastic sheet is provided with the third hook, the third hook is provided with a second inclined surface, there is a gap between the first elastic sheet and the middle sleeve, and there is a gap between the second elastic sheet and the middle sleeve.

[0015] Optionally, the first elastic piece and the second elastic piece have the same structure, and the first elastic piece and the second elastic piece are symmetrically arranged along the central axis of the middle sleeve.

[0016] Optionally, the first end of the middle sleeve is closed by a top cover, and the second end of the middle sleeve is an open end. A support plate is provided on the outside of the middle sleeve between the first end and the second end of the middle sleeve, the first elastic sheet and the second elastic sheet are fixed on the support plate, and the second end of the middle sleeve extends radially outward to form a baffle.

[0017] Optionally, the top cover is located on a side of the first elastic sheet and the second elastic sheet close to the button, the middle sleeve is a cylindrical structure, and the baffle and the support plate are quadrangular prism structures.

[0018] The beneficial effects of this application are:

[0019] (1) In this application, since the center core assembly is completely hidden inside the cover assembly, it is not easy for the center core assembly to separate from the cover assembly, and the cosmetic materials in the center core assembly will not be contaminated, thereby improving the utilization rate of cosmetic materials and reducing resource waste. When using this application, the center core assembly can be ejected by simply pressing a button, which has a novel structure and unique usage.

[0020] (2) In the present application, a first stopper, a second stopper and a third stopper are respectively provided on the cover assembly. The first stopper is used to limit the position of the button, the second stopper is used to limit the position of the middle sleeve after it is assembled, and the third stopper is used to limit the position of the middle sleeve after it is ejected. The cover assembly has multiple limiting functions, so it has a simple structure, ingenious design, and easy operation, which improves consumer satisfaction.

[0021] (3) In the middle sleeve of the present application, the first spring sheet and the second spring sheet are designed on the side of the top cover instead of being designed on the top cover, and the first spring sheet and the second spring sheet do not exceed the top cover, so that the ineffective distance between the top cover and the button after assembly can be shortened. Inside the cover assembly of the same length, a larger storage space is provided for the middle bundle core assembly, thereby meeting the storage requirements of the longer middle bundle core. The structure of the cosmetic pen is more compact, which reduces the overall processing cost of the cosmetic pen. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] FIG1 is a schematic diagram of the structure of a cosmetic brush in this application;

[0023] FIG2 is a second structural diagram of a cosmetic brush in this application;

[0024] FIG3 is a front view of the cosmetic brush in this application;

[0025] FIG4 is a top view of the cosmetic brush in this application;

[0026] FIG5 is an exploded view of the cosmetic brush in this application;

[0027] FIG6 is a diagram showing the makeup brush assembly state of the present application;

[0028] FIG7 is an enlarged view of point A in FIG6 ;

[0029] FIG8 is a second diagram of the makeup brush assembly state in this application;

[0030] FIG9 is an enlarged view of point B in FIG8 ;

[0031] FIG10 is one of the state diagrams of the cosmetic brush when it is ejected in this application;

[0032] FIG11 is an enlarged view of point C in FIG10 ;

[0033] FIG12 is a second diagram of the cosmetic brush in the present application when it is ejected;

[0034] FIG13 is an enlarged view of point D in FIG12;

[0035] FIG14 is a schematic diagram of the structure of the button in this application;

[0036] FIG15 is one of the structural diagrams of the inner cover in this application;

[0037] FIG16 is a second structural diagram of the inner cover in this application;

[0038] FIG17 is a third structural diagram of the inner cover in this application;

[0039] FIG18 is a fourth structural diagram of the inner cover in this application;

[0040] FIG19 is a schematic structural diagram of the elastic member in this application;

[0041] Figure 20 is a schematic structural diagram of the middle sleeve in this application;

[0042] Figure 21 is a schematic structural diagram of the outer cover in this application;

[0043] FIG22 is one of the structural diagrams of the middle beam core assembly in this application;

[0044] FIG23 is a second structural diagram of the middle beam core assembly in this application;

[0045] FIG24 is a diagram showing the assembly process of the cosmetic brush in this application;

[0046] In the figure: 10-button, 11-extrusion part, 12-first inclined surface, 13-first hook, 20-inner cover, 21-first stopper, 22-second stopper, 23-third stopper, 30-elastic member, 40-outer cover, 50-middle sleeve, 51-baffle, 52-support plate, 53-first spring piece, 54-second hook, 55-second spring piece, 56-third hook, 57-second inclined surface, 58-top cover, 60-middle bundle core assembly, 61-middle bundle member, 62-spiral member, 63-outer bottom, 64-inner barrel, 65-base, 66-O-ring, 67-bottom plug. DETAILED DESCRIPTION

[0047] The following will be combined with the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described in this application are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0048] It should be noted that the terms "first", "second", etc. in the specification and claims of this application and the following drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that the objects used in this way can be interchanged where appropriate so that the embodiments of the application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0049] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0050] Embodiment: As shown in FIG1-24, a pop-up cosmetic pen includes a button 10, a cover assembly, an elastic member 30, a middle sleeve 50 and a middle bundle core assembly 60. The button 10 is provided with a first hook 13, the cover assembly is provided with a first stopper 21, a second stopper 22 and a third stopper 23, and the middle sleeve 50 is provided with a second hook 54 and a third hook 56. The button 10 is movably mounted in the cover assembly, the middle bundle core assembly 60 is inserted in the middle sleeve 50, and the middle sleeve 50 is movably mounted in the cover assembly. The elastic member 30 is installed between the button 10 and the middle sleeve 50. After installation, the first hook 13 is engaged with the first stop block 21, the second hook 54 is engaged with the second stop block 22, the middle bundle core assembly 60 is retracted into the cover assembly, and the elastic member 30 is in a compressed state; when in use, the button 10 squeezes the second hook 54 under the action of external force to disengage the second hook 54 from the second stop block 22, and the elastic member 30 drives the middle sleeve 50 and the middle bundle core assembly 60 to run until the third hook 56 is engaged with the third stop block 23, and the middle bundle core assembly 60 extends out of the cover assembly. The user pulls out the middle bundle core assembly 60, rotates out the cosmetic material, and then applies makeup.

[0051] As shown in Figures 1 and 2, the middle bundle core assembly 60 includes a middle bundle member 61, a spiral member 62, an outer bottom 63, an inner barrel 64, a base 65 and a bottom plug 67. The inner barrel 64 is installed in the middle bundle member 61. The inner barrel 64 is used to accommodate solid cosmetic materials, such as lipstick, lipstick, lip gloss, etc. The spiral member 62 is sleeved on the middle bundle member 61, the outer bottom 63 is sleeved on the spiral member 62, and the base 65 is installed on the outer bottom 63. The base 65 and the outer bottom 63 are sealed by an O-ring 66, and the bottom plug 67 is inserted into the base 65.

[0052] After assembly, as shown in Figures 6-9, the button 10 and the center sleeve 50 are both movably mounted within the cover assembly, and the center core assembly 60 is inserted into the center sleeve 50. Optionally, the center core assembly 60 is interference-fitted or snap-engaged within the center sleeve 50. The center core assembly 60 is fully retracted within the cover assembly. As shown in Figure 7, the first hook 13 on the button 10 engages with the first stop 21 of the cover assembly, thereby confining the button 10 within the cover assembly. As shown in Figure 9, the second hook 54 on the center sleeve 50 engages with the second stop 22 of the cover assembly, thereby confining the center sleeve 50 and center core assembly 60 within the cover assembly. As shown in Figures 6 and 8, the elastic member 30 is compressed between the button 10 and the center sleeve 50. During use, the operator presses the button 10, as shown in Figures 8 and 9. As the button 10 moves downward, it squeezes the second hook 54, disengaging it from the second stop 22. As shown in Figures 10-13, the elastic member 30 pushes the middle sleeve 50 and the middle bundle core assembly 60 downward until the third hook 56 of the middle sleeve 50 engages with the third stop 23. At this point, the middle bundle core assembly 60 protrudes from the cover assembly, and the operator can pull out the middle bundle core assembly 60 for use. Since the middle sleeve 50 is blocked by the third stop 23, it will not fall out of the cover assembly. Simultaneously, the button 10 is reset under the drive of the elastic member 30, and the first hook 13 on the button 10 reengages the first stop 21 of the cover assembly. Figures 10 and 12 show the state of the middle sleeve 50 and the middle bundle core assembly 60 after they are ejected. After use, the operator inserts the middle bundle core assembly 60 into the middle sleeve 50 and pushes the middle sleeve 50 upward, so that the second hook 54 on the middle sleeve 50 re-engages with the second stopper 22 of the cover assembly.

[0053] In this application, since the center bundle core assembly 60 is completely hidden inside the cover assembly, it is not easy for the center bundle core assembly to separate from the cover assembly, and the cosmetic materials in the center bundle core assembly will not be contaminated, thereby improving the utilization rate of cosmetic materials and reducing resource waste. When in use, the center bundle core assembly can be ejected by simply pressing a button, which has a novel structure and unique usage. In this application, a first stopper is provided on the cover assembly to limit the position of the button, a second stopper is used to limit the position of the center sleeve after insertion, and a third stopper is used to limit the position of the center sleeve after ejection. The cover assembly has multiple limiting functions, resulting in a simple structure, ingenious design, and convenient operation, which improves consumer satisfaction.

[0054] In one possible embodiment, the cover assembly is a single piece, with the first, second, and third stops 21, 22, and 23 machined directly onto the inner sidewall of the cover assembly. In another possible embodiment, the cover assembly includes an outer cover 40 and an inner cover 20. The outer and inner covers 40 and 20 are molded separately and then assembled together, which facilitates control of the machining accuracy of the inner cover 20. As shown in Figures 1 and 15-18, the cover assembly includes the inner cover 20 and the outer cover 40, which is fixedly mounted on the inner cover 20. The inner sidewall of the inner cover 20 is provided with the first, second, and third stops 21, 22, and 23. Optionally, the inner and outer covers 20 and 40 are secured together by glue. Optionally, as shown in Figures 10 and 21, the outer cover 40 is a hollow cylindrical structure with open ends. The button 10 is mounted on the first open end of the outer cover 40. The center beam core assembly 60 is inserted into the cover assembly from the second open end of the outer cover 40 and extends from the second open end of the outer cover 40 when ejected.

[0055] Optionally, the orthographic projection of the first stopper 21 on a horizontal plane is Figure A, the orthographic projection of the second stopper 22 on a horizontal plane is Figure B, and the orthographic projection of the third stopper 23 on a horizontal plane is Figure C, with Figures A, B, and C not overlapping. In other words, the first stopper 21, the second stopper 22, and the third stopper 23 are located in different vertical directions of the inner cover 20. In this way, the respective functions of the first, second, and third stops can be achieved without increasing the height of the inner cover. In this application, the button 10 and the middle sleeve 50 can only move in the up-and-down direction along the cover assembly and cannot rotate relative to the cover assembly.

[0056] Optionally, the inner cover 20 is a cylindrical structure or a polyhedral structure with openings at both ends and a hollow interior. When the inner cover 20 is a cylindrical structure, the first stop 21, the second stop 22 and the third stop 23 are located at different circumferential positions of the inner cover 20; accordingly, the button 10 is also a cylindrical structure, and a card slot and a clamping engagement are provided between the button 10 and the inner cover 20 to limit the button to only move along the axial direction of the inner cover and cannot rotate relative to the inner cover.

[0057] When the inner cover 20 is a polygonal prism, the first stopper 21, the second stopper 22, and the third stopper 23 are located on different inner side surfaces or at different angles of the inner cover 20. Accordingly, the button 10 also has the same polygonal prism structure as the inner cover 20. Therefore, the button 10 can only move up and down along the inner cover 20 and cannot rotate relative to the inner cover 20, thereby ensuring that the first hook 13 and the first stopper 21 can engage with each other.

[0058] As shown in Figures 15-18, the inner cover 20 is a quadrangular prism structure, and the first stopper 21, the second stopper 22, and the third stopper 23 are located at different angles of the inner cover 20. Optionally, the inner cover 20 is a regular quadrangular prism structure. In this embodiment, the inner side wall of the inner cover 20 has two first stops 21, one second stopper 22, and one third stopper 23. The two first stops 21 are respectively located at a pair of diagonally opposite angles of the inner cover 20, and the second stopper 22 and the third stopper 23 are respectively located at another pair of diagonally opposite angles of the inner cover 20. The inner cover 20 is designed as a regular quadrangular prism structure with openings at both ends and a hollow interior, and the first stopper 21, the second stopper 22, and the third stopper 23 are designed at the angles of the inner cover, thereby simplifying the structure of the inner cover and facilitating processing and assembly.

[0059] As shown in Figures 15-18, the first stopper 21 is located on the side of the second stopper 22 close to the button 10, and the third stopper 23 is located on the side of the second stopper 22 away from the button 10. That is, the first stopper 21 is located above the second stopper 22, and the third stopper 23 is located below the second stopper 22. The distance between the second stopper 22 and the third stopper 23 is the distance of the middle beam core assembly 60 moving downward.

[0060] As shown in Figures 15 and 16 , the inner sidewall of the inner cover 20 is provided with two first stops 21, which are symmetrically arranged relative to the central axis of the inner cover 20. Accordingly, as shown in Figure 14 , the button 10 is provided with two first hooks 13, which are symmetrically arranged along the central axis of the button 10. As shown in Figures 6 and 7 , after assembly, the two first hooks 13 on the button respectively engage with a first stop 21, thereby improving the stability of the button and cover assembly when engaged.

[0061] As shown in FIG14 , the button 10 is provided with a pressing portion 11, which is provided with a first inclined surface 12. As shown in FIG20 , the second hook 54 is provided with a second inclined surface 57 that matches the first inclined surface 12. The button 10 is a quadrangular prism structure. Two diagonal corners of the button 10 extend downward to form a first hook 13. Another corner of the button 10 extends downward to form a pressing portion 11, which is provided with a first inclined surface 12. As shown in FIG9 , a second inclined surface 57 is formed on the second hook 54 on the middle sleeve 50. When the button 10 is forced to move downward, the first inclined surface 12 squeezes the second inclined surface 57, causing the second hook 54 to avoid the axis of the middle sleeve 50 and disengage from the second stopper 22.

[0062] As shown in FIG20 , the middle sleeve 50 is provided with a first elastic piece 53 and a second elastic piece 55. The first elastic piece 53 is provided with a second hook 54. The second elastic piece 55 is provided with a third hook 56. The third hook 56 is provided with a second inclined surface 57. A gap is provided between the first elastic piece 53 and the middle sleeve 50, and a gap is provided between the second elastic piece 55 and the middle sleeve 50. The gap between the first elastic piece 53 and the middle sleeve 50 facilitates deformation of the second hook 54 to avoid the second stopper 22 when the first inclined surface 12 squeezes the second hook 54.

[0063] The second hook 54 on the first elastic piece 53 is used to engage the second stopper 22, and the third hook 56 on the second elastic piece 55 is used to engage the third stopper 23. Therefore, the first elastic piece 53 and the second elastic piece 55 perform different functions, and the structures of the first elastic piece 53 and the second elastic piece 55 can be the same or different. Optionally, as shown in Figure 20, the first elastic piece 53 and the second elastic piece 55 have the same structure and are symmetrically arranged along the central axis of the middle sleeve 50. In this embodiment, the first elastic piece 53 and the second elastic piece 55 are designed to have the same structure. This facilitates alignment between the middle sleeve and the inner cover during assembly, thereby reducing alignment time during product assembly and improving product assembly efficiency.

[0064] As shown in Figure 20, the first end of the middle sleeve 50 is closed by a top cover 58, and the second end of the middle sleeve 50 is open. A support plate 52 is provided on the outside of the middle sleeve 50 between the first and second ends of the middle sleeve 50. A first elastic piece 53 and a second elastic piece 55 are fixed to the support plate 52. The second end of the middle sleeve 50 extends radially outward to form a baffle 51. During insertion, the middle bundle core assembly 60 presses against the baffle 51 to insert the middle sleeve 50 into the cover assembly. During ejection, the baffle 51 pushes the middle bundle core assembly 60 to eject it out of the cover assembly.

[0065] Optionally, the top cover 58 is located on the side of the first and second spring plates 53, 55 that is closer to the button 10, that is, the first and second spring plates 53, 55 are located below the top cover 58. The middle sleeve 50 is a cylindrical structure, and the baffle 51 and support plate 52 are quadrangular prism structures. The cylindrical structure of the middle sleeve 50 is designed to meet the installation requirements of a traditional cylindrical middle beam core assembly. During assembly, the middle beam core assembly can abut against the top cover 58. The baffle 51 and support plate 52 are designed as quadrangular prism structures to ensure that the middle sleeve 50 cannot rotate relative to the cover assembly. In the present application, the first spring piece 53 and the second spring piece 55 are designed on the side of the top cover 58 instead of being designed on the top cover 58, and the first spring piece and the second spring piece do not exceed the top cover, so that the ineffective distance between the top cover 58 and the button 10 after assembly can be shortened. Inside the cover assembly of the same length, a larger storage space is made for the middle bundle core assembly, thereby meeting the storage needs of the longer middle bundle core. The structure of this cosmetic pen is more compact, and the overall processing cost of the cosmetic pen is reduced.

[0066] The assembly process of this application includes the following steps: As shown in FIG24,

[0067] Step 1: Press the inner cover 20 into the middle sleeve 50 from the upper end thereof, and the second hook 54 of the middle sleeve 50 engages with the second stopper 22 in the inner cover 20 ;

[0068] Step 2: Place the elastic member 30 between the inner cover 20 and the middle sleeve 50;

[0069] Step 3: Press the button 10 into the inner cover 20 from the upper end thereof. The first hook 13 on the button 10 engages with the first stopper 21 in the inner cover 20 .

[0070] Step 4: After applying glue on the inner wall of the outer cover 40 and the outer wall of the inner cover 20, the outer cover 40 is placed on the inner cover 20 to complete the assembly of the other components of the cosmetic pen except the middle bundle core assembly.

[0071] The use of this application includes the following steps:

[0072] Step 1: As shown in Figures 6-9, after assembly, the first hook 13 on the button 10 engages with the first stopper 21 of the inner cover 20, and the second hook 54 on the middle sleeve 50 engages with the second stopper 22 of the inner cover 20, and the elastic member 30 is compressed between the button 10 and the middle sleeve 50;

[0073] Step 2: As shown in FIG9 , when the button 10 is forced downward, the first inclined surface 12 presses the second inclined surface 57 , causing the second hook 54 to move toward the axis of the middle sleeve 50 and disengage from the second stopper 22 ;

[0074] Step 3: As shown in Figures 10-13, the elastic member 30 pushes the middle sleeve 50 and the middle beam core assembly 60 downward until the third hook 56 of the middle sleeve 50 engages with the third stopper 23. At this time, the middle beam core assembly 60 protrudes from the cover assembly, and the operator can pull out the middle beam core assembly 60 for use;

[0075] Step 4: At the same time, the button 10 is reset under the drive of the elastic member 30 , and the first hook 13 on the button 10 is re-engaged with the first stopper 21 of the inner cover 20 .

[0076] It should be noted that those skilled in the art may make a number of modifications and improvements without departing from the concept of this application, and these modifications and improvements are all within the scope of protection of this application. Therefore, the scope of protection of this patent application shall be based on the appended claims.

Claims

1. A bouncing cosmetic pencil, characterized in that: The invention comprises a button (10), a cover assembly, an elastic member (30), a middle sleeve (50) and a middle bundle core assembly (60), wherein the button (10) is provided with a first hook (13), the cover assembly is provided with a first stopper (21), a second stopper (22) and a third stopper (23), the middle sleeve (50) is provided with a second hook (54) and a third hook (56), the button (10) is movably mounted in the cover assembly, the middle bundle core assembly (60) is inserted in the middle sleeve (50), the middle sleeve (50) is movably mounted in the cover assembly, the elastic member (30) is installed between the button (10) and the middle sleeve (50), and the assembly is completed. Afterwards, the first hook (13) is engaged with the first stop block (21), the second hook (54) is engaged with the second stop block (22), the middle bundle core assembly (60) is retracted into the cover assembly, and the elastic member (30) is in a compressed state; when in use, the button (10) squeezes the second hook (54) under the action of external force to make the second hook (54) disengage from the second stop block (22), and the elastic member (30) drives the middle sleeve (50) and the middle bundle core assembly (60) to operate until the third hook (56) is engaged with the third stop block (23), and the middle bundle core assembly (60) extends out of the cover assembly.

2. The bouncing cosmetic pencil according to claim 1, characterized in that: The cover assembly comprises an inner cover (20) and an outer cover (40) fixedly sleeved on the inner cover (20), and the inner side wall of the inner cover (20) is provided with the first stopper (21), the second stopper (22) and the third stopper (23).

3. The bouncing cosmetic pencil according to claim 2, characterized in that: The orthographic projection of the first stopper (21) on the horizontal plane is figure A, the orthographic projection of the second stopper (22) on the horizontal plane is figure B, and the orthographic projection of the third stopper (23) on the horizontal plane is figure C. The figures A, B and C do not overlap.

4. The bouncing cosmetic pencil according to claim 2, characterized in that: The inner cover (20) is a cylindrical structure or a polygonal column structure which is open at both ends and hollow inside. When the inner cover (20) is a cylindrical structure, the first stopper (21), the second stopper (22) and the third stopper (23) are located at different circumferential positions of the inner cover (20); when the inner cover (20) is a polygonal column structure, the first stopper (21), the second stopper (22) and the third stopper (23) are located on different inner side surfaces or at angles of the inner cover (20).

5. The bouncing cosmetic pencil according to claim 4, characterized in that: The inner cover (20) is a quadrangular prism structure, and the first stopper (21), the second stopper (22) and the third stopper (23) are located at different angles of the inner cover (20).

6. The bouncing cosmetic pencil according to claim 2, characterized in that: The first stopper (21) is located on a side of the second stopper (22) close to the button (10), and the third stopper (23) is located on a side of the second stopper (22) away from the button (10).

7. The bouncing cosmetic pencil according to claim 2, characterized in that: The inner side wall of the inner cover (20) is provided with two first stoppers (21), and the two first stoppers (21) are symmetrically arranged relative to the central axis of the inner cover (20). Correspondingly, the button (10) is provided with two first hooks (13), and the two first hooks (13) are symmetrically arranged along the central axis of the button (10).

8. The bouncing cosmetic pencil according to claim 1, characterized in that: The button (10) is provided with a pressing portion (11), the pressing portion (11) is provided with a first inclined surface (12), and the second hook (54) is provided with a second inclined surface (57) matching the first inclined surface (12).

9. The bouncing cosmetic pencil according to claim 1, characterized in that: The middle sleeve (50) is provided with a first spring sheet (53) and a second spring sheet (55); the first spring sheet (53) is provided with the second hook (54); the second spring sheet (55) is provided with the third hook (56); the third hook (56) is provided with a second inclined surface (57); a gap is provided between the first spring sheet (53) and the middle sleeve (50); and a gap is provided between the second spring sheet (55) and the middle sleeve (50).

10. The bouncing cosmetic pencil according to claim 9, characterized in that: The first elastic piece (53) and the second elastic piece (55) have the same structure, and the first elastic piece (53) and the second elastic piece (55) are symmetrically arranged along the central axis of the middle sleeve (50).

11. The bouncing cosmetic pencil according to claim 9, characterized in that: The first end of the middle sleeve (50) is closed by a top cover (58), and the second end of the middle sleeve (50) is an open end. A support plate (52) is provided on the outer side of the middle sleeve (50) between the first end of the middle sleeve (50) and the second end of the middle sleeve (50), and the first elastic sheet (53) and the second elastic sheet (55) are fixedly arranged on the support plate (52). The second end of the middle sleeve (50) extends radially outward to form a baffle (51).

12. The bouncing cosmetic pencil according to claim 11, characterized in that: The top cover (58) is located on a side of the first elastic sheet (53) and the second elastic sheet (55) close to the button (10); the middle sleeve (50) is a cylindrical structure; and the baffle (51) and the support plate (52) are quadrangular prism structures.

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