Inner plug structure and packaging bottle

Abstract

The utility model relates to an inner plug structure and a packaging bottle. The inner plug structure comprises a seat body which is installed at the bottle opening and is provided with a first liquid inlet and a second liquid inlet which are communicated with the inner cavity; the valve element is provided with a liquid channel and a liquid outlet, the liquid outlet is communicated with the liquid channel, the valve element is movably connected to the seat body, and the valve element is suitable for moving between a first position and a second position; wherein at the first position, the liquid channel is communicated with the first liquid inlet, the liquid channel and the second liquid inlet are blocked, and at the second position, the liquid channel is communicated with the first liquid inlet and the second liquid inlet. The valve element moves between the first position and the second position, so that the liquid outlet flow can be adjusted, and different use requirements of users are met.

Description

Technical Field

[0001] The present application relates to the technical field of product packaging, and in particular to an inner plug structure and a packaging bottle. Background Art

[0002] Products such as toner are typically packaged in bottles with an inner stopper. This design allows the liquid in the bottle to flow out through the stopper, making it convenient for users to pour it directly onto their hands or cotton pads. However, existing bottle designs have certain limitations. The rate at which the liquid flows out of the stopper is fixed, and the flow rate cannot be adjusted regardless of the user's actual needs. This lack of flexibility can cause users to waste product during use or be unable to precisely control the required dosage, thus affecting the user experience. Therefore, developing a bottle structure that can adjust the liquid flow rate to meet the personalized needs of different users has become an urgent issue to be addressed. Utility Model Content

[0003] Based on this, it is necessary to provide an inner plug structure and a packaging bottle to address the problem that the inner plug of the existing packaging bottle cannot adjust the liquid flow rate.

[0004] The present application provides an inner plug structure, which is applied to a packaging bottle, wherein the packaging bottle includes a bottle body, the bottle body includes a fixedly connected bottle body and a bottle mouth, the bottle mouth is connected to the inner cavity of the bottle body, and the inner plug structure includes: a seat body, which is installed on the bottle mouth, the seat body has a first liquid inlet and a second liquid inlet connected to the inner cavity; a valve core, the valve core has a liquid channel and a liquid outlet, the liquid outlet is connected to the liquid channel, the valve core is movably connected to the seat body, and the valve core is suitable for moving between a first position and a second position; wherein, in the first position, the liquid channel is connected to the first liquid inlet, and the liquid channel and the second liquid inlet are blocked, and in the second position, the liquid channel is connected to the first liquid inlet and the second liquid inlet.

[0005] According to one embodiment of the present application, the seat body includes a blocking structure, the valve core is provided with a third liquid inlet, and the third liquid inlet is connected to the liquid channel; in the first position, the blocking structure is located between the third liquid inlet and the second liquid inlet, blocking the third liquid inlet and the second liquid inlet so that the liquid channel and the second liquid inlet are blocked; in the second position, the third liquid inlet and the second liquid inlet are connected so that the liquid channel is connected to the second liquid inlet.

[0006] According to one embodiment of the present application, the valve core is slidably connected to the seat body and is suitable for sliding between the first position and the second position; the seat body also includes a barrel and a bottom plate, the barrel is located in the bottle mouth, the bottom plate is located at one end of the barrel facing the inner cavity, the first liquid inlet is located on the bottom plate, and the second liquid inlet is located at one end of the barrel close to the bottom plate; the blocking structure includes a baffle ring, the baffle ring is located on the inner side of the barrel and fixedly connected to the bottom plate; the valve core is located between the barrel and the baffle ring, and is in sliding contact with the barrel and the baffle ring respectively, and the third liquid inlet is provided on the side wall of the end of the valve core close to the bottom plate; in the first position, the distance from the side of the third liquid inlet facing away from the bottom plate to the bottom plate is less than or equal to the distance from the end of the baffle ring facing away from the bottom plate to the bottom plate, and in the second position, the distance from the side of the third liquid inlet facing away from the bottom plate to the bottom plate is greater than the distance from the end of the baffle ring facing away from the bottom plate to the bottom plate.

[0007] According to one embodiment of the present application, a plurality of the second liquid inlet and the third liquid inlet are respectively provided, the plurality of the second liquid inlets are arranged around the circumference of the seat body, and the plurality of the third liquid inlets are arranged around the circumference of the valve core; in the second position, each of the second liquid inlet is connected to the liquid channel through at least one of the third liquid inlet.

[0008] According to one embodiment of the present application, an inner ring is provided on the inner wall of the valve core. In the first position, a side of the inner ring close to the bottom plate abuts against a side of the retaining ring away from the bottom plate.

[0009] According to one embodiment of the present application, the valve core is provided with at least one clamping protrusion, which is located at one end of the outer wall of the valve core close to the bottom plate, and the clamping protrusion is located in the second liquid inlet; in the second position, the side of the clamping protrusion facing away from the bottom plate abuts against the side of the inner wall of the second liquid inlet facing away from the bottom plate.

[0010] According to one embodiment of the present application, the middle portion of the bottom plate is bent toward the inner side of the barrel, and the first liquid inlet is located in the middle portion of the bottom plate.

[0011] According to one embodiment of the present application, the valve core is rotatably connected to the seat body and is suitable for rotating between the first position and the second position; the side wall of the seat body is provided with the first liquid inlet and the second liquid inlet; the side wall of the valve core is provided with the third liquid inlet; the part of the side wall of the seat body other than the first liquid inlet and the second liquid inlet and the part of the side wall of the valve core located outside the third liquid inlet constitute the blocking structure; in the first position, the first liquid inlet is connected to the liquid channel through the third liquid inlet, and in the second position, the first liquid inlet and the second liquid inlet are both connected to the liquid channel through the third liquid inlet.

[0012] According to one embodiment of the present application, the outer wall of the valve core is provided with at least one first limiting ring, the first limiting ring is arranged along the circumference of the valve core, and the first limiting ring is in sliding contact with the inner wall of the seat body; and / or, the outer wall of the seat body is provided with at least one second limiting ring, the second limiting ring is arranged along the circumference of the seat body, and the second limiting ring is in contact with the inner wall of the bottle mouth.

[0013] The present application also provides a packaging bottle, comprising: a bottle body, including a bottle body and a bottle mouth; the inner plug structure of the above embodiment; a bottle cap, detachably connected to the bottle mouth, and the bottle cap cover is arranged on the outside of the bottle mouth and the inner plug structure.

[0014] In the above-mentioned inner plug structure and packaging bottle, when the valve core is in the first position, the liquid channel is connected to the first liquid inlet and is blocked from the second liquid inlet. Therefore, the liquid in the bottle body can only enter the liquid channel through the first liquid inlet and flow out through the liquid outlet. When the valve core is in the second position, the liquid channel is connected to the first liquid inlet and the second liquid inlet at the same time. Therefore, the liquid in the bottle body can enter the liquid channel through the first liquid inlet and the second liquid inlet at the same time and flow out through the liquid outlet. Obviously, the flow rate of the valve core when it is in the first position is less than the flow rate when it is in the second position. By making the valve core move between the first position and the second position, the liquid outlet flow rate can be adjusted to meet the different usage needs of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram of an inner plug structure provided in one embodiment of the present application when the valve core is in a first position.

[0016] Figure 2 This is an application scenario diagram of an inner plug structure provided in one embodiment of the present application.

[0017] Figure 3 A schematic structural diagram of an inner plug structure provided in one embodiment of the present application when the valve core is in the second position.

[0018] Figure 4A cross-sectional view of an inner plug structure provided by one embodiment of the present application when the valve core is in a first position.

[0019] Figure 5 An exploded view of an inner plug structure provided in one embodiment of the present application.

[0020] Figure 6 A cross-sectional view of an inner plug structure provided in another embodiment of the present application when the valve core is in a first position.

[0021] Figure 7 A cross-sectional view of an inner plug structure provided in another embodiment of the present application when the valve core is in the second position.

[0022] Figure 8 This is an exploded view of a packaging bottle provided in one embodiment of the present application.

[0023] Figure 9 This is a schematic structural diagram of a bottle cap in a packaging bottle provided in one embodiment of the present application.

[0024] Reference numerals:

[0025] 100, inner plug structure; 110, seat; 111, first liquid inlet; 112, second liquid inlet; 113, barrel; 114, bottom plate; 115, retaining ring; 116, connecting ring; 117, second limiting ring; 120, valve core; 121, liquid channel; 122, liquid outlet; 123, third liquid inlet; 125, inner ring; 126, engaging protrusion; 127, first limiting ring; 128, operating portion;

[0026] 200, bottle body; 210, bottle body; 211, annular plate; 220, bottle mouth;

[0027] 300, bottle cap; 310, inner cap; 320, outer cap. DETAILED DESCRIPTION

[0028] To make the above-mentioned objects, features, and advantages of the present application more clearly understood, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways than those described herein, and those skilled in the art can make similar improvements without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0029] In the description of this application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0030] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of this application, if the term "plurality" appears, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0031] In this application, unless otherwise specified or limited, the terms "mounted," "connected," "connected," "fixed," etc., should be interpreted broadly. For example, these terms may refer to fixed connections, removable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediary; and internal communication between two components or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0032] In this application, unless otherwise expressly specified or limited, if a first feature is described as being "above" or "below" a second feature, or similar descriptions, this may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is described as being "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is described as being "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0033] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only embodiment.

[0034] The following combination Figures 1 to 7 The inner plug structure 100 according to the embodiment of the present application is described.

[0035] An inner plug structure 100 provided in one embodiment of the present application is applied to a packaging bottle, specifically a packaging bottle for cosmetics. The packaging bottle includes a bottle body 210 and a bottle mouth 220 that are fixedly connected. The bottle mouth 220 is connected to the inner cavity of the bottle body 210 (for the convenience of description, the "inner cavity of the bottle body 210" is referred to as the inner cavity). The inner plug structure 100 is arranged at the bottle mouth 220 position. When there is liquid in the inner cavity, the liquid can flow out through the inner plug structure 100 at the bottle mouth 220 position.

[0036] The inner plug structure 100 includes a seat 110 and a valve core 120. The seat 110 is mounted on the bottle mouth 220, specifically on the inner side of the bottle mouth 220. The seat 110 has a first liquid inlet 111 and a second liquid inlet 112 that communicate with the inner cavity. The valve core 120 has a liquid channel 121 and a liquid outlet 122, with the liquid outlet 122 communicating with the liquid channel 121. The valve core 120 is movably connected to the seat 110 and is adapted to move between a first position and a second position. In the first position, the liquid channel 121 communicates with the first liquid inlet 111 and is blocked from the second liquid inlet 112. In the second position, the liquid channel 121 communicates with the first liquid inlet 111 and the second liquid inlet 112.

[0037] The inner plug structure 100 of this embodiment can adjust the flow rate by adjusting the relative position of the valve core 120 and the seat body 110. Specifically, when the valve core 120 is in the first position (see Figure 2 、 Figure 4 and Figure 6), the liquid channel 121 is connected to the first liquid inlet 111, and the liquid channel 121 is blocked from the second liquid inlet 112. The liquid in the inner cavity can flow into the liquid channel 121 through the first liquid inlet 111, and then flow out through the liquid outlet 122 for use by the user. The liquid in the inner cavity is blocked between the second liquid inlet 112 and the liquid channel 121 and cannot enter the liquid channel 121 through the second liquid inlet 112. In other words, in the first position, the inner plug structure 100 forms a single fluid channel from the inner cavity through the first liquid inlet 111, the liquid channel 121 to the liquid outlet 122 in sequence. Therefore, the first position can meet the use requirements of a smaller flow rate; when the valve core 120 is in the second position (see Figure 3 and Figure 7 ), the liquid channel 121 is connected to the first liquid inlet 111 and the second liquid inlet 112, the liquid in the inner cavity can flow into the liquid channel 121 through the first liquid inlet 111, and can also flow into the liquid channel 121 through the second liquid inlet 112. The liquid flowing into the liquid channel 121 through the first liquid inlet 111 and the second liquid inlet 112 can both flow out through the liquid outlet 122 for user use. In other words, in the first position, the inner plug structure 100 forms a fluid channel from the inner cavity through the first liquid inlet 111, the liquid channel 121 to the liquid outlet 122 in sequence, and a fluid channel from the inner cavity through the second liquid inlet 112, the liquid channel 121 to the liquid outlet 122 in sequence. Therefore, in the second position, it can meet the use requirements of a larger flow rate.

[0038] It is worth noting that when the inner plug structure 100 of this embodiment is installed at the bottle mouth 220, the fluid in the inner cavity flows out through the first liquid inlet 111, the second liquid inlet 112, the liquid channel 121 and the liquid outlet 122, and other positions are sealed to avoid leakage.

[0039] In some embodiments, the seat body 110 includes a blocking structure, and the valve core 120 is provided with a third liquid inlet 123, which is connected to the liquid channel 121; in the first position, the blocking structure is located between the third liquid inlet 123 and the second liquid inlet 112, blocking the third liquid inlet 123 and the second liquid inlet 112, so that the liquid channel 121 and the second liquid inlet 112 are blocked; in the second position, the third liquid inlet 123 and the second liquid inlet 112 are connected, so that the liquid channel 121 is connected to the second liquid inlet 112.

[0040] In this embodiment, the relative positions of the third liquid inlet 123 and the second liquid inlet 112 and the third liquid inlet 123 and the blocking structure can be changed by changing the relative positions of the valve core 120 and the seat body 110, thereby enabling the blocking structure to switch between two states: blocking between the second liquid inlet 112 and the third liquid inlet 123 and not blocking between the second liquid inlet 112 and the third liquid inlet 123, thereby meeting the flow regulation requirements.

[0041] Combine Figures 2 to 5 In some embodiments of the present application, the valve core 120 is slidably connected to the seat body 110 and is adapted to slide between a first position and a second position. The blocking structure includes a blocking ring 115 .

[0042] The base 110 further includes a barrel 113 and a bottom plate 114. The barrel 113 is located within the bottle mouth 220, the bottom plate 114 is located at the end of the barrel 113 facing the inner cavity, a retaining ring 115 is located inside the barrel 113 and is fixedly connected to the bottom plate 114. The axis of the retaining ring 115 coincides with the axis of the barrel 113, and the length of the retaining ring 115 is less than the length of the barrel 113 in the axial direction. The first liquid inlet 111 is located on the bottom plate 114, and the second liquid inlet 112 is located at the end of the barrel 113 near the bottom plate 114. The valve core 120 is located between the barrel 113 and the retaining ring 115, and is in sliding contact with the barrel 113 and the retaining ring 115 respectively. A third liquid inlet 123 is provided on the side wall of one end of the valve core 120 close to the bottom plate 114. The third liquid inlet 123 is opposite to the second liquid inlet 112 along the radial direction of the valve core 120, so that the third liquid inlet 123 is connected to the second liquid inlet 112.

[0043] In the first position, the distance from the side of the third liquid inlet 123 away from the bottom plate 114 to the bottom plate 114 is less than or equal to the distance from the end of the retaining ring 115 away from the bottom plate 114 to the bottom plate 114. The retaining ring 115 completely blocks the third liquid inlet 123, and the second liquid inlet 112 cannot be connected to the liquid channel 121 through the third liquid inlet 123.

[0044] In the second position, the distance from the side of the third liquid inlet 123 away from the bottom plate 114 to the bottom plate 114 is greater than the distance from the end of the baffle ring 115 away from the bottom plate 114 to the bottom plate 114. At this time, the baffle ring 115 does not block the third liquid inlet 123, or the baffle ring 115 blocks a part of the third liquid inlet 123, and the second liquid inlet 112 is connected to the liquid channel 121 through the third liquid inlet 123.

[0045] In this embodiment, the valve core 120 can be switched between the first position and the second position by moving the valve core 120 along the axial direction.

[0046] In some embodiments of the present application, multiple second liquid inlets 112 and multiple third liquid inlets 123 are respectively provided, multiple second liquid inlets 112 are arranged around the circumference of the seat body 110, and multiple third liquid inlets 123 are arranged around the circumference of the valve core 120; in the second position, each second liquid inlet 112 is connected to the liquid channel 121 through at least one third liquid inlet 123.

[0047] Exemplarily, there are four second liquid inlets 112 and eight third liquid inlets 123 , each second liquid inlet 112 corresponds to two third liquid inlets 123 , and in the second position, each second liquid inlet 112 is connected to the liquid channel 121 through two third liquid inlets 123 .

[0048] Providing a plurality of second liquid inlets 112 and a plurality of third liquid inlets 123 is beneficial for increasing the flow rate and enables the liquid to flow out evenly in multiple directions.

[0049] Combine Figure 3 and Figure 4 In some embodiments, an inner ring 125 is provided on the inner wall of the valve core 120 . In the first position, a side of the inner ring 125 close to the bottom plate 114 abuts against a side of the retaining ring 115 away from the bottom plate 114 .

[0050] By setting the inner ring 125, on the one hand, the interaction between the inner ring 125 and the retaining ring 115 can be utilized to limit the valve core 120, ensuring that the valve core 120 accurately stays in the first position when sliding inward, avoiding excessive movement and damage to the valve seat due to squeezing, while facilitating user operation. On the other hand, the cooperation between the inner ring 125 and the retaining ring 115 can effectively improve the sealing of the contact position between the valve core 120 and the inner ring 125 at the first position, avoiding the liquid at the second liquid inlet 112 position from flowing into the liquid channel 121 through the gap between the valve core 120 and the retaining ring 115.

[0051] Optionally, the inner ring 125 is an annular protrusion integrally formed on the inner wall of the valve core 120. In the radial direction of the valve core 120, the thickness of the inner ring 125 is the same as that of the retaining ring 115. When the inner ring 125 abuts the retaining ring 115, the inner wall of the inner ring 125 and the inner wall of the retaining ring 115 join to form a cylindrical surface. This prevents the formation of a step structure between the inner ring 125 and the retaining ring 115 that would affect the flow of liquid.

[0052] In some embodiments, the valve core 120 is provided with at least one snap-fit protrusion 126, which is located at one end of the outer wall of the valve core 120 close to the bottom plate 114, and the snap-fit protrusion 126 is located inside the second liquid inlet 112; in the second position, the side of the snap-fit protrusion 126 facing away from the bottom plate 114 abuts against the side of the inner wall of the second liquid inlet 112 facing away from the bottom plate 114.

[0053] When the valve core 120 and the seat body 110 slide relative to each other, the locking protrusion 126 slides in the second liquid inlet 112. In the second position, the locking protrusion 126 abuts against the inner wall of the second liquid inlet 112. The valve core 120 can be limited by the interaction between the locking protrusion 126 and the seat body 110, ensuring that the valve core 120 can be accurately positioned in the second position, and avoiding excessive movement of the valve core 120 to prevent it from detaching from the seat body 110.

[0054] Optionally, the thickness of the clamping protrusion 126 gradually decreases in a direction away from the bottom plate 114, wherein the thickness of the clamping protrusion 126 is the dimension of the clamping protrusion 126 along the radial direction of the valve core 120. Thus, on the one hand, the side of the clamping protrusion 126 facing away from the bottom plate 114 is thickened, thereby increasing the contact area between the clamping protrusion 126 and the inner wall of the second liquid inlet 112 when the valve core 120 is in the second position, thereby improving stability. On the other hand, the side of the clamping protrusion 126 closer to the bottom plate 114 is thinned, resulting in a triangular cross-section of the clamping protrusion 126, which facilitates the insertion of the valve core 120 into the seat body 110 during assembly.

[0055] Optionally, multiple second liquid inlet 112, multiple third liquid inlet 123, and multiple engaging protrusions 126 are provided, with one third liquid inlet 123 corresponding to each second liquid inlet 112, and at least one engaging protrusion 126 located between each two adjacent third liquid inlets 123. In this embodiment, the portion of the valve core 120 located between two adjacent third liquid inlets 123 is separated from the rest of the valve core 120 by the third liquid inlet 123, facilitating elastic deformation. This ensures that when the engaging protrusion 126 is squeezed by the inner wall of the barrel 113 during assembly, the portion of the valve core 120 located between the two adjacent third liquid inlets 123 bends and deforms, reducing installation difficulty and preventing damage to the valve core 120.

[0056] In some embodiments, the middle portion of the bottom plate 114 is bent toward the inner side of the barrel 113, and the first liquid inlet 111 is located in the middle portion of the bottom plate 114. Taking the figure as an example, the middle portion of the bottom plate 114 is raised upward, and the overall shape is an arc, and the axis of the first liquid inlet 111 coincides with the axis of the bottom plate 114. Thus, the arc-shaped structure of the bottom plate 114 can be used to guide the liquid in the inner cavity, so that it can better converge to the first liquid inlet 111, reducing the outflow resistance. In addition, this structural form is also conducive to improving the sealing performance when the bottom plate 114 contacts the valve core 120, and further preventing the liquid in the inner cavity from flowing into the liquid channel 121 through the second liquid inlet 112 and the gap between the valve core 120 and the seat body 110 when the valve core 120 is in the first position.

[0057] Combine Figure 6 and Figure 7In other embodiments of the present application, the valve core 120 is rotatably connected to the seat body 110 and is suitable for rotating between a first position and a second position; the side wall of the seat body 110 is provided with a first liquid inlet 111 and a second liquid inlet 112; the side wall of the valve core 120 is provided with a third liquid inlet 123; the part of the side wall of the seat body 110 other than the first liquid inlet 111 and the second liquid inlet 112 and the part of the side wall of the valve core 120 located outside the third liquid inlet 123 constitute a blocking structure; in the first position, the first liquid inlet 111 is connected to the liquid channel 121 through the third liquid inlet 123, and in the second position, the first liquid inlet 111 and the second liquid inlet 112 are both connected to the liquid channel 121 through the third liquid inlet 123.

[0058] Combine Figure 4 and Figure 5 In some embodiments, at least one first limiting ring 127 is provided on the outer wall of the valve core 120. The first limiting ring 127 is arranged along the circumference of the valve core 120. The first limiting ring 127 is in sliding contact with the inner wall of the seat body 110. Specifically, the first limiting ring 127 is in sliding contact with the inner wall of the cylinder 113.

[0059] Optionally, a plurality of first limiting rings 127 are provided, and the plurality of first limiting rings 127 are arranged along the axial direction of the valve core 120 , and the plurality of first limiting rings 127 are in sliding contact with the inner wall of the seat body 110 respectively.

[0060] In this embodiment, the shape of the first limiting ring 127 is not specifically limited. For example, the side of the first limiting ring 127 that contacts the barrel portion 113 is an arc surface.

[0061] The first limiting ring 127 can be provided to increase the matching stability and sealing performance between the valve core 120 and the seat body 110 , and make the sliding of the valve core 120 smoother.

[0062] In some embodiments, at least one second limiting ring 117 is provided on the outer wall of the base 110. The second limiting ring 117 is provided along the circumference of the base 110 and contacts the inner wall of the bottle mouth 220. Specifically, the second limiting ring 117 is provided on the outer wall of the barrel 113.

[0063] Optionally, multiple second retaining rings 117 are provided, arranged axially along the base body 110, and each of the plurality of second retaining rings 117 is in sliding contact with the inner wall of the bottle mouth 220. In this embodiment, the shape of the second retaining rings 117 is not specifically limited. For example, the side of the second retaining ring 117 that contacts the bottle mouth 220 may be an arcuate surface. The provision of the second retaining rings 117 can enhance the mating stability and sealing performance between the base body 110 and the bottle mouth 220.

[0064] In some embodiments, to facilitate position switching of the valve core 120, one end of the valve core 120 extends to the outside of the seat body 110 and the bottle mouth 220, and an operating portion 128 is provided at the end of the valve core 120 located outside the seat body 110. The operating portion 128 is a protrusion along the diameter direction of the valve core 120. Exemplarily, the operating portion 128 is an annular protrusion arranged along the circumference of the valve core 120.

[0065] Furthermore, when the valve core 120 is in the first position, a groove is formed between the operating part 128 and the end of the barrel 113 away from the bottom plate 114 and the end of the bottle mouth 220, so that the user can easily apply force to the valve core 120 through the operating part 128.

[0066] In some embodiments, a connecting ring 116 is disposed on the outside of one end of the base 110. The connecting ring 116 is disposed along the circumference of the base 110 and overlaps the bottle mouth 220. The shape of the connecting ring 116 matches the shape of the bottle mouth 220. The overlapping structure of the connecting ring 116 and the bottle mouth 220 can limit the base 110, ensuring the accurate installation position of the base 110. It also improves the sealing performance and prevents liquid in the inner cavity from flowing out through the seam between the base 110 and the bottle mouth 220.

[0067] Optionally, the connecting ring 116 is integrally formed with the base body 110 to increase firmness and sealing and reduce processing difficulty.

[0068] Optionally, the connecting ring 116 is bonded and fixed to the bottle mouth 220 to improve the firmness of the connection between the base body 110 and the bottle mouth 220 and further enhance the sealing effect.

[0069] Combine Figure 8 and Figure 9 The present application also provides a packaging bottle, comprising a bottle body 200, the aforementioned inner plug structure 100, and a bottle cap 300. The specific shapes and connection structures of the bottle body 200 and inner plug structure 100 in this embodiment can be found in the above embodiments and are not described in detail here. The bottle cap 300 is detachably connected to the bottle mouth 220 and is disposed outside the bottle mouth 220 and the inner plug structure 100.

[0070] Optionally, the bottle body 210 and the bottle mouth 220 are integrally formed, thereby improving the firmness and sealing of the bottle body 200 and reducing the difficulty of production.

[0071] Optionally, the bottle cap 300 is threadedly connected to the bottle mouth 220, and the bottle cap 300 can be installed or removed by rotating the bottle cap 300, which is easy to operate and has good connection strength when the bottle cap 300 is connected to the bottle mouth 220. Of course, in some other embodiments, the bottle cap 300 and the bottle mouth 220 can also be detachably connected by means of a snap connection or the like.

[0072] Optionally, the bottle cap 300 includes an inner cover 310 and an outer cover 320. The inner cover 310 and the outer cover 320 are fixedly connected. The inner cover 310 is used to be detachably connected to the bottle mouth 220. The shape of the outer cover 320 is adapted to the shape of the bottle body 210, thereby meeting both installation requirements and aesthetic requirements.

[0073] Optionally, the bottle body 210 is provided with an annular plate 211. The annular plate 211 is located at one end of the bottle body 210 where it connects to the bottle mouth 220, and is located outside the bottle mouth 220. When the bottle cap 300 is installed on the bottle body 200, the outer side of the annular plate 211 contacts the inner side of the bottle cap 300. The annular plate 211 can be fixed to the bottle body 210 by, for example, bonding, snapping, etc., or can be integrally formed with the bottle body 210. The provision of the annular plate 211 not only helps to improve the aesthetics of the bottle body 210, but also can limit the bottle cap 300 when it is installed on the bottle body 200, thereby preventing the bottle cap 300 from bending and deforming when subjected to pressure.

[0074] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0075] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the spirit of the present application, and these modifications and improvements fall within the scope of protection of the present application. Therefore, the scope of protection of the present patent application shall be determined by the appended claims.

Claims

1. An inner plug structure, characterized in that: Applicable to a packaging bottle, the packaging bottle includes a bottle body, the bottle body includes a bottle body and a bottle mouth that are fixedly connected, the bottle mouth is communicated with the inner cavity of the bottle body, and the inner plug structure includes: A base body is mounted on the bottle mouth, and the base body has a first liquid inlet and a second liquid inlet communicating with the inner cavity; a valve core, the valve core having a liquid passage and a liquid outlet, the liquid outlet being in communication with the liquid passage, the valve core being movably connected to the seat body, and the valve core being adapted to move between a first position and a second position; Wherein, in the first position, the liquid channel is communicated with the first liquid inlet, and the liquid channel and the second liquid inlet are blocked; in the second position, the liquid channel is communicated with the first liquid inlet and the second liquid inlet.

2. The inner plug structure according to claim 1, characterized in that: The seat body includes a blocking structure, and the valve core is provided with a third liquid inlet, and the third liquid inlet is communicated with the liquid channel; In the first position, the blocking structure is located between the third liquid inlet and the second liquid inlet, blocking the third liquid inlet and the second liquid inlet, so that the liquid channel and the second liquid inlet are blocked; In the second position, the third liquid inlet is connected to the second liquid inlet, so that the liquid channel is connected to the second liquid inlet.

3. The inner plug structure according to claim 2, characterized in that: The valve core is slidably connected to the seat body and is suitable for sliding between the first position and the second position; The base body further includes a barrel and a bottom plate, wherein the barrel is located in the bottle mouth, the bottom plate is located at one end of the barrel facing the inner cavity, the first liquid inlet is located on the bottom plate, and the second liquid inlet is located at one end of the barrel close to the bottom plate; The blocking structure includes a blocking ring, which is located inside the cylinder and fixedly connected to the bottom plate; The valve core is located between the barrel and the retaining ring and is in sliding contact with the barrel and the retaining ring respectively. The third liquid inlet is provided on the side wall of one end of the valve core close to the bottom plate; In the first position, the distance from the side of the third liquid inlet facing away from the bottom plate to the bottom plate is less than or equal to the distance from the end of the retaining ring facing away from the bottom plate to the bottom plate. In the second position, the distance from the side of the third liquid inlet facing away from the bottom plate to the bottom plate is greater than the distance from the end of the retaining ring facing away from the bottom plate to the bottom plate.

4. The inner plug structure according to claim 3, characterized in that: The second liquid inlet and the third liquid inlet are respectively provided in plurality, the plurality of the second liquid inlets are arranged around the circumference of the seat body, and the plurality of the third liquid inlets are arranged around the circumference of the valve core; In the second position, each of the second liquid inlets is connected to the liquid channel through at least one of the third liquid inlets.

5. The inner plug structure according to claim 3 or 4, characterized in that: An inner ring is provided on the inner wall of the valve core. In the first position, a side of the inner ring close to the bottom plate abuts against a side of the retaining ring away from the bottom plate.

6. The inner plug structure according to claim 3 or 4, characterized in that: The valve core is provided with at least one clamping protrusion, the clamping protrusion is located on one end of the outer wall of the valve core close to the bottom plate, and the clamping protrusion is located in the second liquid inlet; In the second position, the side of the engaging protrusion facing away from the bottom plate abuts against the side of the inner wall of the second liquid inlet facing away from the bottom plate.

7. The inner plug structure according to claim 3 or 4, characterized in that: The middle portion of the bottom plate is bent toward the inner side of the barrel portion, and the first liquid inlet is located in the middle portion of the bottom plate.

8. The inner plug structure according to claim 2, characterized in that: The valve core is rotatably connected to the seat body and is suitable for rotating between the first position and the second position; The side wall of the seat body is provided with the first liquid inlet and the second liquid inlet; The side wall of the valve core is provided with the third liquid inlet; The portion of the side wall of the seat body other than the first liquid inlet and the second liquid inlet and the portion of the side wall of the valve core other than the third liquid inlet constitute the blocking structure; In the first position, the first liquid inlet is communicated with the liquid channel through the third liquid inlet, and in the second position, both the first liquid inlet and the second liquid inlet are communicated with the liquid channel through the third liquid inlet.

9. The inner plug structure according to claim 1, characterized in that: At least one first limiting ring is provided on the outer wall of the valve core. The first limiting ring is provided along the circumference of the valve core and is in sliding contact with the inner wall of the seat body. And / or, the outer wall of the base body is provided with at least one second limiting ring, the second limiting ring is arranged along the circumference of the base body, and the second limiting ring contacts the inner wall of the bottle mouth.

10. A packaging bottle, characterized in that: include: Bottle body, including bottle body and bottle mouth; The inner plug structure according to any one of claims 1 to 9; The bottle cap is detachably connected to the bottle mouth, and the bottle cap cover is arranged on the outside of the bottle mouth and the inner plug structure.

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