Applicator and packaging container comprising same

Abstract

The utility model relates to an applicator and a packaging container comprising the applicator, the applicator comprises an inner cover, a fixing ring and an applying head, the inner cover comprises an outer ring and an inner ring which are fixedly connected, the outer ring is located on the outer side of the inner ring, the applying head is fixedly connected to the inner ring, the fixing ring is fixedly arranged on the inner ring in a sleeving mode, and the fixing ring is located on the outer side of the inner ring. And the fixing ring is embedded into the smearing head. The smearing head in the smearing device is located in the inner plug, when the smearing device is not used, the smearing head does not make contact with the material body in the outer bottle, the storage space of the material body is saved, and pollution of the material body is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to cosmetic packaging technology, in particular to a applicator and a packaging container comprising the same. BACKGROUND

[0002] Some cosmetics, such as lip gloss, lip color, liquid blush, etc., need to be used with a coating device, which includes a bottle body and an applicator. When in use, the applicator carries an appropriate amount of material and applies the material to the application area to complete the makeup operation. Since the applicator is large and always inserted into the material in the bottle body, it often carries excess material. After use, the excess material is reinserted into the bottle body with the applicator, thereby contaminating the material in the bottle body. CONTENT OF THE UTILITY MODEL

[0003] In order to overcome the above-mentioned defects, the present application provides an applicator, wherein the applicator head is located inside the inner plug. When not in use, the applicator head does not come into contact with the material in the outer bottle, thereby saving storage space for the material and avoiding contamination of the material.

[0004] The technical scheme adopted by the present application to solve the technical problems is as follows:

[0005] An applicator, comprising an inner cover, a fixing ring and an applicator head, the inner cover comprises a fixedly connected outer ring and an inner ring, the applicator head is fixedly connected to the inner ring, the fixing ring is fixedly sleeved on the outer side of the inner ring, the inner ring has a closed end wall, and the fixing ring and the end wall jointly form a mounting space of the applicator head.

[0006] Optionally, the inner ring comprises a first outer side wall and a second outer side wall, the second outer side wall is recessed inwardly along the radial direction of the inner ring relative to the first outer side wall, and the fixing ring is sleeved on the second outer side wall.

[0007] Optionally, the end wall of the inner ring is provided with a first clamping tooth, the end wall is provided with an axially extending connecting rod, the applicator head is provided with an axially extending mounting groove, the connecting rod is fixedly inserted into the mounting groove, and the first clamping tooth is embedded in the applicator head.

[0008] Optionally, a first end of the fixing ring is fixedly sleeved on the inner ring, a second end of the fixing ring extends radially inwardly to form a clamping plate, and the clamping plate extends along the axial direction of the fixing ring to form a second clamping tooth.

[0009] Optionally, the applicator head comprises a mounting portion, an application portion and a clamping groove, the outer side wall of the mounting portion is recessed inwardly along the radial direction to form the clamping groove, the clamping plate is clamped into the clamping groove, the second clamping tooth is embedded in the mounting portion, and the mounting portion is fixed in the mounting space.

[0010] Optionally, the application face of the application part is planar, and the minimum outer diameter of the application part is greater than or equal to the outer diameter of the mounting part.

[0011] Optionally, the application head is made of porous material; and / or, the application head is flocked.

[0012] The application also provides a packaging container, which comprises an applicator, an inner plug and an outer bottle, the inner plug is fixedly installed in the outer bottle, the applicator is detachably covered on the outer bottle, when the applicator is installed on the outer bottle, the application head is located in the inner plug, the inner plug is in interference fit with the inner ring, the fixing ring is located between the inner ring and the inner plug, the inner plug is located inside the outer ring, the inner plug is provided with a feeding hole, and the outer bottle is provided with a steel ball.

[0013] Optionally, the feeding hole comprises a first feeding hole, the inner plug is provided with a bottom plate, and at least one first feeding hole is formed in the bottom plate; and / or, the feeding hole comprises at least one second feeding hole, and the second feeding hole is arranged on the peripheral wall of the inner plug.

[0014] Optionally, the outer bottle comprises a bottle body and a bottle shoulder fixedly installed on the bottle body, the material of the inner plug comprises a first material, the material of the bottle shoulder comprises a second material, and the hardness of the first material is less than the hardness of the second material.

[0015] The application head in the application is located in the inner plug, and the application head does not contact the material body in the outer bottle when not in use, thereby saving the storage space of the material body and avoiding the pollution of the material body; when in use, the material body is absorbed by the application head through the feeding hole on the inner plug, so that the application head can carry an appropriate amount of material body, which is convenient for users to use and does not cause waste of the material body, thereby improving the use efficiency of the material body; the fixing ring is sleeved on the inner cover in the application, and the fixing ring and the inner cover jointly cooperate to fix the application head, thereby improving the bonding strength of the application head and the inner cover and preventing the application head from being separated; when assembling, the fixing ring is first installed on the application head, and then the inner cover is embedded in the application head, so that the assembly method is simple and fast. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 FIG. 4 is a sectional view of the packaging container in the application;

[0017] Figure 2 FIG. 5 is a sectional view of the packaging container in the application; Figure 1 FIG. 6 is an enlarged view of A in FIG. 5;

[0018] Figure 3 FIG. 7 is a perspective view of the packaging container in the application;

[0019] Figure 4 FIG. 8 is one of the explosion views of the packaging container in the application;

[0020] Figure 5 Figure 2 is an exploded view of the package container of the present application;

[0021] Figure 6 Figure 1 is a schematic view of the structure of the inner cap of the present application;

[0022] Figure 7 Figure 2 is a schematic view of the structure of the inner cap of the present application;

[0023] Figure 8 Figure 3 is a schematic view of the structure of the inner cap of the present application;

[0024] Figure 9 Figure 4 is a schematic view of the structure of the inner cap of the present application;

[0025] Figure 10 Figure 5 is a schematic view of the structure of the inner cap of the present application;

[0026] Figure 11 Figure 6 is a schematic view of the structure of the inner cap of the present application;

[0027] Figure 12 Figure 1 is a schematic view of the structure of the fixing ring of the present application;

[0028] Figure 13 Figure 2 is a schematic view of the structure of the fixing ring of the present application;

[0029] Figure 14 Figure 3 is a schematic view of the structure of the fixing ring of the present application;

[0030] Figure 15 Figure 4 is a schematic view of the structure of the fixing ring of the present application;

[0031] Figure 16 Figure 5 is a schematic view of the structure of the fixing ring of the present application;

[0032] Figure 17 Figure 6 is a schematic view of the structure of the fixing ring of the present application;

[0033] Figure 18 Figure 1 is a schematic view of the structure of the inner plug of the present application;

[0034] Figure 19 Figure 2 is a schematic view of the structure of the inner plug of the present application;

[0035] Figure 20 Figure 3 is a schematic view of the structure of the inner plug of the present application;

[0036] Figure 21 Figure 4 is a schematic view of the structure of the inner plug of the present application;

[0037] Figure 22 Figure 5 is a schematic view of the structure of the inner plug of the present application;

[0038] Figure 23 Figure 6 is a schematic view of the structure of the inner plug in the present application;

[0039] Figure 24 Figure 7 is a schematic view of the structure of the inner plug in the present application;

[0040] Figure 25 Figure 8 is a schematic view of the structure of the applicator in the present application;

[0041] In the figure: 10 - outer cover, 20 - inner cover, 21 - outer ring, 22 - inner ring, 23 - connecting rod, 24 - first clamping tooth, 25 - inner thread, 26 - first outer side wall, 27 - second outer side wall, 30 - fixing ring, 31 - clamping plate, 32 - second clamping tooth, 40 - inner plug, 41 - convex edge, 42 - bottom plate, 43 - first feeding hole, 44 - second feeding hole, 45 - protrusion, 50 - applicator, 51 - mounting groove, 52 - clamping groove, 53 - mounting part, 54 - application part, 60 - outer bottle, 61 - bottle body, 62 - bottle shoulder, 63 - outer thread, 64 - steel ball, 65 - groove. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the embodiments described in the present application are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0043] It should be noted that the terms "first", "second", and the like in the specification and claims of the present application and the following drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the objects thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0044] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0045] Example: Figures 1-25 As shown, an applicator includes an inner cover 20, a retaining ring 30, and an applicator head 50. The inner cover 20 includes an outer ring 21 and an inner ring 22 that are fixedly connected. The applicator head 50 is fixedly connected to the inner ring 22. The retaining ring 30 is fixedly sleeved on the outside of the inner ring 22. The inner ring 22 has a closed end wall. The retaining ring 30 and the end wall together form the installation space of the applicator head.

[0046] This applicator is used in a packaging container, which also includes an inner stopper 40 and an outer bottle 60. In use, the inner stopper 40 is fixed inside the outer bottle 60, and the applicator is inserted into the outer bottle 60. The applicator head 50 is located inside the inner stopper 40. The outer bottle 60 contains the product, which flows into the applicator head 50 through the inlet of the inner stopper 40. The applicator head 50 is used for cosmetic purposes. Because the applicator head 50 is located inside the inner stopper 40, it does not come into contact with the product in the outer bottle 60 when not in use, thus saving storage space and preventing contamination of the product.

[0047] In this application, the retaining ring 30 is fitted onto the inner ring 22 of the inner cover 20, that is, the retaining ring 30 is located on the outside of the inner ring 22, and the retaining ring 30 and the inner cover 20 work together to fix the applicator head 50, which improves the bonding strength between the applicator head 50 and the inner cover 20 and prevents the applicator head 50 from detaching. During assembly, the retaining ring 30 is first installed on the applicator head 50, and then the inner cover 20 is inserted into the applicator head 50 from above. That is, the inner cover 20 and the retaining ring 30 are a two-piece structure, and the applicator head 50 is connected to the inner ring 22 from the outside of the inner ring 22, which makes it convenient to install the applicator from bottom to top. Therefore, the assembly method is simpler and faster.

[0048] like Figures 6-11As shown, the inner ring 22 includes a first outer side wall 26 and a second outer side wall 27. The second outer side wall 27 is recessed radially inward into the first outer side wall 26, and the fixing ring 30 is sleeved on the second outer side wall 27. That is, a step is formed between the first outer side wall 26 and the second outer side wall 27. When the fixing ring 30 is sleeved on the second outer side wall 27, the outer side wall of the fixing ring 30 does not protrude from the first outer side wall 26. The outer ring 21 has a cylindrical structure with openings at the top and bottom, and the inner ring 22 has a cylindrical structure with an open top and a closed bottom. There is a gap between the outer ring 21 and the inner ring 22, and the fixing ring 30 is inserted into the gap. Optionally, the fixing ring 30 and the inner ring 22 are fixed by engaging with a protrusion and a slot. The second outer side wall 27 is provided with a slot and / or a protrusion, and the inner side wall of the fixing ring 30 is provided with a protrusion and / or a slot. During assembly, the protrusion is engaged into the slot to engage and fix the fixing ring 30 to the second outer side wall 27. Alternatively, the second outer side wall 27 is provided with threads, and the fixing ring 30 is screwed onto the second outer side wall.

[0049] like Figure 6 and Figure 9 As shown, the upper end of the inner ring 22 is an open end, and the upper end of the inner ring 22 is fixedly connected to the inner sidewall of the outer ring 21. The lower end of the inner ring 22 is closed by an end wall. The end wall of the inner ring 22 is provided with a first retaining tooth 24, and the end wall is provided with a connecting rod 23 extending axially. The end wall of the inner ring 22 is fixedly connected to the second outer sidewall 27 of the inner ring 22. Figure 2 and Figure 25 As shown, the applicator head 50 has an axially formed mounting groove 51, the connecting rod 23 is fixedly inserted into the mounting groove 51, and the first retaining tooth 24 is embedded in the applicator head 50. The connecting rod 23 and the first retaining tooth 24 extend downward along the end wall of the inner ring 22. Optionally, the end wall of the inner ring 22 is provided with a plurality of first retaining teeth 24 in the circumferential direction, and the distance between two adjacent first retaining teeth 24 is equal.

[0050] like Figure 2 and Figures 12-17 As shown, the first end of the fixing ring 30 is fixedly sleeved on the inner ring 22. In this embodiment, the first end of the fixing ring 30 is engaged and fixedly connected to the second outer wall 27. The second end of the fixing ring 30 extends radially inward to form a clamping plate 31. The clamping plate 31 extends along the axial direction of the fixing ring 30 to form a second locking tooth 32.

[0051] like Figure 2 and Figure 25 As shown, the applicator head 50 includes a mounting part 53, an applicator part 54, and a slot 52. The outer side wall of the mounting part 53 is recessed radially inward to form the slot 52. The clamping plate 31 is inserted into the slot 52, and the second clamping tooth 32 is embedded in the mounting part 53. The mounting part 53 is fixed in the mounting space.

[0052] The second clamping teeth 32 extend towards the inner side of the fixing ring 30. Optionally, the clamping plate 31 is provided with a plurality of second clamping teeth 32 in the circumferential direction, and the distance between two adjacent second clamping teeth 32 is equal. In the present embodiment, the applicator head 50 is fixed by the clamping plate 31 of the inner cover 20 and the fixing ring 30, and the first clamping teeth 24 and the second clamping teeth 32 are embedded in the interior of the applicator head 50, thereby improving the installation strength of the applicator head 50 and effectively preventing the applicator head 50 from falling off. During assembly, the applicator head 50 is first installed on the fixing ring 30, and then the inner cover 20 is inserted into the applicator head 50 from above and pressed downward, so that the first clamping teeth 24 and the second clamping teeth 32 are embedded in the installation portion 53 of the applicator head 50.

[0053] As shown in Figures 1-5 , the applicator portion 54 has at least one planar application surface, and the minimum outer diameter of the applicator portion 54 is greater than or equal to the outer diameter of the installation portion 53. Optionally, the top surface of the applicator head 50 is a non-arc surface, i.e., the top surface of the applicator head 50 is a planar surface, so as to increase the application area of the applicator head 50. The planar application surface of the applicator portion 54 and the outer wall of the applicator portion 54 form two top angles. The planar application surface and the side surface of the applicator portion can be used to apply to a large area of skin, and the top angles of the applicator portion 54 can be used to fine-tune a small area of skin.

[0054] Optionally, the applicator head 50 is made of a porous material; and / or, the applicator head 50 has a flocking thereon. In one possible implementation, the applicator head 50 is made of a porous material, and the material in the outer bottle 60 is directly adsorbed by the applicator head 50, and the material can be a paste, a liquid, a powder, etc.; in another possible implementation, the applicator head 50 is made of a soft material, and a layer of flocking is formed on the surface of the applicator head 50, and the flocking is used to adsorb the material; in yet another possible implementation, the applicator head 50 is made of a porous material, and a layer of flocking is formed on the surface of the applicator head 50, and the applicator head 50 or the flocking is used to adsorb the material.

[0055] As shown in Figures 1-5 , the applicator further comprises an outer cover 10, and the inner cover 20 is fixedly installed in the interior of the outer cover 10. The outer cover 10 and the inner cover 20 can be adhesively connected, clamped and fixed to form a cover assembly, or the cover assembly can be an integrally formed piece. Figure 5 and Figure 25 , the applicator head 50 has a non-spherical structure.

[0056] As shown in Figures 1-5 , a packaging container comprises an applicator, an inner plug 40 and an outer bottle 60. The inner plug 40 is fixedly installed in the outer bottle 60, and the applicator is detachably covered on the outer bottle 60. When the applicator is installed on the outer bottle 60, the applicator head 50 is located in the inner plug 40, the inner plug 40 is in interference fit with the inner ring 22, the fixing ring 30 is located between the inner ring 22 and the inner plug 40, the inner plug 40 is located on the inner side of the outer ring 21, the inner plug 40 is provided with a material inlet hole, and the outer bottle 60 is provided with a steel ball 64。 The inner plug 40 is inserted into the gap between the outer ring 21 and the inner ring 22, and the inner plug 40 is sleeved on the first outer side wall 26, and the inner side wall of the inner plug 40 is in airtight fit with the first outer side wall 26. Since the inner cover 20 and the fixing ring 30 are a split structure, the contact area between the outer side wall of the inner ring 22 and the inner side wall of the inner plug 40 is reduced, thereby reducing the friction therebetween, facilitating the insertion and extraction of the applicator.

[0057] In use, the material is absorbed by the applicator head 50 through the feed hole on the inner plug 40, so that the applicator head 50 can carry an appropriate amount of material, facilitating the user to use, and also preventing the waste of the material, thereby improving the use efficiency of the material.

[0058] The outer bottle 60 stores the material, the inner plug 40 is placed in the outer bottle 60, and the applicator head 50 is placed in the inner plug 40, that is, the inner plug 40 isolates the applicator head 50 from the material in the outer bottle 60, effectively preventing the applicator head from polluting the material. Optionally, the inner cover 20 is screwed to the outer bottle 60.

[0059] As shown in Figures 18-24 , the feed hole includes a first feed hole 43, and the inner plug 40 has a bottom plate 42, and at least one first feed hole 43 is formed in the bottom plate 42; in this embodiment, the number of first feed holes 43 is greater than two, and the distance between adjacent two first feed holes 43 is equal.

[0060] The feed hole further includes at least one second feed hole 44, and the second feed hole 44 is arranged on the peripheral wall of the inner plug 40. The distance between adjacent two first feed holes 43 is equal, and before use, the packaging container is shaken, and the material enters the inner plug 40 through the first feed hole 43 and / or the second feed hole 44 to be absorbed by the applicator head 50 or adhered to the surface of the applicator head 50, so that the carrying amount of the applicator head 50 can be effectively controlled, facilitating the user to make up, and reducing the waste of the material. Of course, in other embodiments, the feed hole can only include the first feed hole 43; or, the feed hole only includes the second feed hole 44.

[0061] As shown in Figure 2 , Figure 5 and Figure 6 , the inner side wall of the outer ring 21 is provided with an inner thread 25, the outer side wall of the bottle shoulder 62 is provided with an outer thread 63, and the inner cover 20 and the bottle shoulder 62 are fixed by screwing the inner thread 25 and the outer thread 63. In other possible embodiments, the inner cover 20 and the bottle shoulder 62 can be fixed by clamping or magnetic attraction.

[0062] As shown in Figure 2 and Figure 18As shown, the first end of the inner plug 40 extends radially outward to form a raised edge 41, and the second end of the inner plug 40 is provided with a base plate 42. The inner plug 40 is interference-fitted into the inside of the bottle shoulder 62, and the raised edge 41 is placed on the bottle shoulder 62. The bottle shoulder 62 is located inside the outer ring 21 and is screwed to the outer ring 21. The inner plug 40 is located inside the bottle shoulder 62 and is airtightly fitted to the bottle shoulder 62. The inner ring 22 is located inside the inner plug 40, and there is an interference fit between the inner ring 22 and the inner plug 40. The retaining ring 30 is engaged and fixed to the inner ring 22, and the retaining ring 30 is located between the inner plug 40 and the inner ring 22.

[0063] like Figure 2 , Figure 4 and Figure 22 As shown, the outer sidewall of the inner stopper 40 extends radially outward to form a raised ring 45, and the inner sidewall of the bottle shoulder 62 has a circumferential groove 65, with the raised ring 45 embedded in the groove 65. The raised ring 45 is press-fitted into the groove 65, which improves the bonding strength and sealing performance between the inner stopper 40 and the bottle shoulder 62.

[0064] like Figure 1 and Figure 4 As shown, the outer bottle 60 includes a bottle body 61 and a bottle shoulder 62 fixedly installed on the bottle body 61. The inner plug 40 is made of a first material, and the bottle shoulder 62 is made of a second material. The hardness of the first material is less than that of the second material.

[0065] The inner cap 20 is detachably fitted onto the bottle shoulder 62, and a steel ball 64 is provided inside the bottle body 61. Optionally, the bottle body 61 and the bottle shoulder 62 are integrally formed; or, the bottle body 61 and the bottle shoulder 62 are separate structures. The bottle body 61 is used to store the material, and the steel ball 64 is used to stir the material when the bottle body 61 is shaken, so that the material is mixed evenly and the material is prevented from separating.

[0066] In this application, the inner plug 40 and the bottle shoulder 62 are separate structures, and the hardness of the bottle shoulder 62 is greater than that of the inner plug 40. The harder bottle shoulder 62 is used to combine with the inner cap 20, and the elastic inner plug 40 is installed between the bottle shoulder 62 and the inner cap 20. This satisfies both the combination strength of the bottle shoulder 62 and the inner cap 20 and the sealing requirements of the outer bottle 60, thus extending the shelf life of the material. However, if the inner plug and the bottle shoulder were designed as a single piece of the same material, when a harder material is used, the strength requirements of the bottle shoulder are met, but the sealing of the outer bottle cannot be taken into account. Similarly, when an elastic material is used, the sealing of the outer bottle is met, but the strength requirements of the bottle shoulder cannot be taken into account.

[0067] It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the scope of protection of this application. Therefore, the scope of protection of this patent application shall be determined by the appended claims.

Claims

1. An applicator characterized by: The application relates to an inner cover (20), a fixing ring (30) and an application head (50), the inner cover (20) comprising a fixedly connected outer ring (21) and an inner ring (22), the application head (50) being fixedly connected to the inner ring (22), the fixing ring (30) being fixedly sleeved on the outer side of the inner ring (22), and the inner ring (22) having a closed end wall, and the fixing ring (30) and the end wall jointly forming a mounting space of the application head (50).

2. The applicator of claim 1, wherein: The inner ring (22) comprises a first outer side wall (26) and a second outer side wall (27), the second outer side wall (27) being recessed inward along the radial direction of the inner ring (22) relative to the first outer side wall (26), and the fixing ring (30) being sleeved on the second outer side wall (27).

3. The applicator of claim 1, wherein: The end wall of the inner ring (22) is provided with a first clamping tooth (24), the end wall is provided with an axially extending connecting rod (23), the application head (50) is axially provided with a mounting groove (51), the connecting rod (23) is fixedly inserted into the mounting groove (51), and the first clamping tooth (24) is embedded into the application head (50).

4. The applicator of claim 1, wherein: The first end of the fixing ring (30) is fixedly sleeved on the inner ring (22), the second end of the fixing ring (30) extends radially inward to form a clamping plate (31), and the clamping plate (31) extends along the axial direction of the fixing ring (30) to form a second clamping tooth (32).

5. The applicator of claim 4, wherein: The application head (50) comprises a mounting portion (53), an application portion (54) and a clamping groove (52), the outer side wall of the mounting portion (53) is recessed inward along the radial direction to form the clamping groove (52), the clamping plate (31) is clamped into the clamping groove (52), the second clamping tooth (32) is embedded into the mounting portion (53), and the mounting portion (53) is fixed in the mounting space.

6. The applicator of claim 5, wherein: The application portion (54) has at least one planar application surface, and the minimum outer diameter of the application portion (54) is greater than or equal to the outer diameter of the mounting portion (53).

7. The applicator of claim 1, wherein: The application head (50) is made of a porous material, and / or the application head (50) is flocked.

8. A packaging container characterized in that: The applicator, inner plug (40) and outer bottle (60) of any one of claims 1-7, the inner plug (40) is fixedly installed in the outer bottle (60), the applicator is detachably covered on the outer bottle (60), when the applicator is installed to the outer bottle (60), the applicator head (50) is located in the inner plug (40), the inner plug (40) is in interference fit with the inner ring (22), the fixed ring (30) is located between the inner ring (22) and the inner plug (40), the inner plug (40) is located inside the outer ring (21), the inner plug (40) is provided with a feeding hole, the outer bottle (60) is provided with a steel ball (64) 。 9. The packaging container of claim 8, wherein: The feeding hole comprises a first feeding hole (43), and the inner plug (40) has a bottom plate (42) provided with at least one first feeding hole (43). The feeding hole comprises at least one second feeding hole (44) arranged on the peripheral wall of the inner plug (40).

10. The packaging container of claim 8, wherein: The outer bottle (60) comprises a bottle body (61) and a bottle shoulder (62) fixedly arranged on the bottle body (61), the material of the inner plug (40) comprises a first material, the material of the bottle shoulder (62) comprises a second material, and the hardness of the first material is smaller than the hardness of the second material.

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