Liquid split charging connecting structure

Abstract

The utility model discloses a liquid sub-packaging connecting structure, which relates to the technical field of packaging, and adopts the technical scheme that the liquid sub-packaging connecting structure comprises a connecting piece, the connecting piece is internally provided with a cavity, and two sides of the cavity wall of the cavity are symmetrically provided with a liquid inlet hole and a liquid outlet hole; the connecting assembly is arranged on the outer side of the connecting piece, and the connecting assembly can be connected with a bag opening of the external bag body; the partition piece is arranged in the cavity of the connecting piece, and a middle liquid path is arranged on the partition piece; the partition piece can slide from a first position to a second position in the cavity of the connecting piece; at the first position, the middle liquid path is not communicated with the liquid inlet hole and the liquid outlet hole; and at the second position, the middle liquid path, the liquid inlet hole and the liquid outlet hole form a liquid passage. The connecting structure has the advantages that the connecting structure is applied to connection between two bag body spaces, and the function of preventing liquid from passing through is achieved. When communication is needed, the isolation piece is lifted or pressed through the operation piece, so that the liquid can be blocked, and the liquid can pass through the isolation piece.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging, in particular to a liquid subpackaging connection structure. Background Art

[0002] Facial masks typically consist of two parts: a mask and a liquid mask. Applying the mask to the face and waiting for the liquid mask to absorb is very effective for maintaining facial skin. To maintain the effectiveness and shelf life of the liquid mask, some current facial mask products use separate packaging, separating the mask and liquid mask, and mixing them only before use. This allows the liquid mask to adhere to the mask.

[0003] Most of the existing facial mask repackaging packaging adopts structures such as "virtual seal section" and "easy to tear" on the packaging bag. With the help of this type of structure, the internal space of the packaging bag is divided into two parts, one part of which is used to place the facial mask and the other part is used to place the facial mask liquid. When it is needed, the bag body where the facial mask liquid is located is squeezed to allow the facial mask liquid to break through the partition of the packaging bag and enter the space where the facial mask is located. Although this type of structure can basically meet the needs of isolating the facial mask and the facial mask liquid under normal circumstances, the reliability of its isolation is relatively low. Because this type of product packaging uses a flexible bag body, when the facial mask liquid storage area is squeezed or impacted by external force, it is very easy for the isolation structure to be damaged by the pressure of the liquid, resulting in the loss of the original packaging function, affecting the quality of the product during use. In severe cases, the product is damaged during transportation and sale on the shelves. Utility Model Content

[0004] In view of one of the deficiencies of the prior art, the utility model provides a liquid subpackaging connection structure to solve the isolation and release problems during liquid subpackaging and packaging.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a liquid packaging connection structure, comprising:

[0006] A connecting piece having a cavity formed therein, with a liquid inlet and a liquid outlet symmetrically formed on both sides of the cavity wall, wherein the liquid inlet and the liquid outlet are coaxial and have equal inner diameters;

[0007] A connecting component is provided on the outside of the connecting piece and can be connected to the bag opening of the external bag body;

[0008] A partition member is arranged in the cavity of the connecting member, and an intermediate liquid path is provided on the partition member; the partition member can slide from a first position to a second position in the cavity of the connecting member; when in the first position, the intermediate liquid path and the liquid inlet hole and the liquid outlet hole are not connected; when in the second position, the intermediate liquid path and the liquid inlet hole and the liquid outlet hole form a liquid passage.

[0009] Preferably, it also includes:

[0010] An operating member is fixedly provided at the end of the partition member and is located outside the connecting member;

[0011] One end of the operating member is fixedly connected to the end of the partition member facing the outside of the connecting member, and the other end extends in a direction away from the connecting member; the operating member includes:

[0012] Two force-applying parts are symmetrically provided and extend in a direction away from the connecting member respectively.

[0013] Preferably, the connecting piece is a long strip-shaped structure, and the internal cavity thereof is opened along the length direction of the connecting piece;

[0014] The shape of the partition piece corresponds to the cavity of the connecting piece, and the length of the partition piece is less than or equal to the length of the cavity; the sliding direction of the partition piece is parallel to the length direction of the connecting piece.

[0015] Preferably, the liquid inlet holes and the liquid outlet holes are provided in a plurality, and the number of the liquid inlet holes and the number of the liquid outlet holes correspond to each other;

[0016] The liquid inlet holes and the liquid outlet holes are distributed in a linear array along the length direction of the connecting piece.

[0017] Preferably, the liquid inlet holes and the liquid outlet holes are arranged on the cavity wall of the connecting member in a uniformly distributed manner with equal intervals;

[0018] A spacer is reserved between adjacent liquid inlet holes. When the partition is in the first position, the intermediate liquid path is located on one side of the spacer. The projections of the intermediate liquid path, the liquid inlet hole and the liquid outlet hole on the middle surface of the connector do not overlap.

[0019] Preferably, the extended axis of the liquid inlet hole is perpendicular to the axis of the length direction of the connecting member;

[0020] The intermediate liquid path is a through hole opened on the partition piece. The axis of the intermediate liquid path is a straight line, and the axis of the intermediate liquid path is parallel to the axes of the liquid inlet hole and the liquid outlet hole.

[0021] Preferably, one end of the connecting piece is an open end and the other end is a closed end;

[0022] The connection component includes:

[0023] A first connecting portion comprising two first connecting plates symmetrically arranged on both sides of the open end of the connecting member;

[0024] The second connecting portion is a plate structure surrounding the closed end of the connecting member, and the extension direction of the plate surface is parallel to the length direction of the connecting member;

[0025] The thickness of the plates of the first connecting portion and the second connecting portion are both gradually changed, with the edge on the side with greater thickness being fixedly connected to the connecting member, and the edge on the side with less thickness extending in a direction away from the connecting member.

[0026] Preferably, it also includes:

[0027] The guide structure is a guide block and guide groove combination arranged between the connecting piece and the partition piece. The opening direction of the guide groove in the guide structure is parallel to the length direction of the connecting piece. The guide structure can guide the partition piece in the sliding direction of the connecting piece.

[0028] Preferably, it also includes:

[0029] A limiting structure is provided between the connecting member and the partition member, and the limiting structure can limit the partition member to the first position; the limiting structure includes:

[0030] The easily breakable portion can release the limit of the partition member by the limit structure under external force.

[0031] Preferably, it also includes:

[0032] At least one gripping piece is provided on the outside of the connecting piece, and the gripping piece is located at the open end of the connecting piece; the gripping piece is a boss protruding toward the outside of the connecting piece.

[0033] Compared with the existing technology, this solution has the following advantages: the connection structure of this solution is used to connect the two bag spaces, blocking the passage of liquid. When communication is required, the barrier can be lifted or pressed by the operating member to remove the barrier and allow the liquid to pass through.

[0034] This solution is provided with a guide structure, which can prevent the isolation member from twisting and ensure that the isolation member only moves in the required direction.

[0035] This solution also provides a limiting structure to limit the normal position of the isolation member to avoid displacement of the isolation member due to unintentional operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 This is a schematic diagram of the overall structure of the first embodiment of this application Figure 1 ;

[0037] Figure 2 This is a schematic diagram of the overall structure of the first embodiment of this application Figure 2 ;

[0038] Figure 3 for Figure 2 A partial enlarged view of;

[0039] Figure 4This is a schematic diagram of the internal structure of the first embodiment of the present application;

[0040] Figure 5 for Figure 4 A partial enlarged view of;

[0041] Figure 6 This is a schematic diagram of the overall structure of the second embodiment of this application Figure 1 ;

[0042] Figure 7 This is a schematic diagram of the overall structure of the second embodiment of this application Figure 2 ;

[0043] Figure 8 for Figure 7 A partial enlarged view of;

[0044] Figure 9 This is a schematic diagram of the internal structure of the second embodiment of the present application.

[0045] In the picture:

[0046] 1. Connector; 11. Liquid inlet; 12. Liquid outlet;

[0047] 2. Connecting assembly; 21. First connecting portion; 22. Second connecting portion;

[0048] 3. Partitioning piece; 31. Intermediate liquid path; 4. Operating piece; 41. Force-applying part; 5. Guide structure; 6. Limiting structure; 7. Gripping piece. DETAILED DESCRIPTION

[0049] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0050] See also Figures 1-9 , this application provides the following technical solutions:

[0051] A liquid packaging connection structure includes a connector 1 and a partition 3. The connector 1 has a cavity formed therein, and a liquid inlet 11 and a liquid outlet 12 are symmetrically formed on both sides of the cavity wall. The liquid inlet 11 and the liquid outlet 12 are coaxial and have equal inner diameters. The partition 3 is disposed in the cavity of the connector 1, and an intermediate liquid path 31 is provided on the partition 3. The partition 3 is slidably connected to the cavity, and can slide from a first position to a second position in the cavity of the connector 1. In the first position, the intermediate liquid path 31 is not connected to the liquid inlet 11 and the liquid outlet 12. In the second position, the intermediate liquid path 31 forms a liquid path with the liquid inlet 11 and the liquid outlet 12. A connecting assembly 2 is provided on the outside of the connector 1, and the connector 1 can be connected to the bag opening of the external bag body through the connecting assembly 2.

[0052] This connection structure is used to connect two bag bodies, that is, a facial mask bag with a facial mask placed therein and a facial mask liquid bag filled with facial mask liquid. This connection structure can connect the facial mask bag and the bag opening of the facial mask liquid bag respectively through the connection component 2 on the outside of the connector 1. This connection structure needs to ensure the blockage between the facial mask bag and the facial mask liquid bag under normal conditions, that is, to ensure that the facial mask liquid in the facial mask liquid bag cannot flow into the liquid outlet 12 through the liquid inlet hole 11. Only when the facial mask is in use, this connection structure switches to a connected state, and the user can squeeze the facial mask liquid into the facial mask bag so that the facial mask liquid adheres to the facial mask. Therefore, for the partition member 3 of this solution, when it is in the first position in the cavity of the connector 1, it is the blocked state of this connection structure, and the partition member 3 blocks the connection between the liquid inlet hole 11 and the liquid outlet hole 12. When the partition member 3 slides to the second position in the cavity, the intermediate liquid path 31 on the partition member 3 can pass liquid. At this time, the facial mask liquid can enter through the liquid inlet 11, and then flow through the intermediate liquid path 31 and flow into the facial mask bag from the liquid outlet 12.

[0053] The specific form of the intermediate liquid path 31 can be selected from a variety of options, such as through holes, through grooves, etc. The liquid inlet 11 and the liquid outlet 12 can be circular holes, square holes, etc. Considering the ease of processing, circular holes are preferred in this solution.

[0054] Based on the above implementation scheme, the connecting member 1 is a long strip structure, and its internal cavity is opened along the length direction of the connecting member 1; the shape of the partition member 3 corresponds to the cavity of the connecting member 1, and the length of the partition member 3 is less than the length of the cavity; the sliding direction of the partition member 3 is parallel to the length direction of the connecting member 1.

[0055] Because the barrier 3's only movement is sliding, the cavity of the connector 1 and the barrier 3 can be configured in various shapes, such as cylinders and prisms. For ease of processing, a quadrangular prism or cylinder is preferred. Of these, a cylindrical cavity is optimal, given the need for sealing between the barrier 3 and the cavity walls, and a corresponding cylindrical shape for the barrier 3. One or more sealing rings are positioned above the barrier 3, on either side of the intermediate fluid path 31, to prevent leakage.

[0056] Based on the above embodiment, a plurality of liquid inlet holes 11 and liquid outlet holes 12 are respectively provided, and the liquid inlet holes 11 and the liquid outlet holes 12 are in a one-to-one correspondence; the liquid inlet holes 11 and the liquid outlet holes 12 are distributed in a linear array along the length direction of the connector 1.

[0057] That is, multiple holes for liquid inlet and outlet are arranged on both sides of the connector 1. Although larger slots can be used as the liquid inlet and outlet structure, considering that this device is used for packaging facial mask products, its volume is not suitable for being too large. Therefore, if the liquid inlet and outlet structure uses a large slot structure, there will be a large hollow area on the connector 1, resulting in a decrease in its strength. On the other hand, the structure with multiple holes does not affect the flow of facial mask liquid, and at the same time, it can ensure that the connector 1 itself has sufficient strength and is not easily damaged.

[0058] Based on the above-mentioned embodiment, the liquid inlet holes 11 and the liquid outlet holes 12 are arranged on the cavity wall of the connector 1 at equal intervals; a spacer is reserved between adjacent liquid inlet holes 11, and when the partition member 3 is in the first position, the intermediate liquid path 31 is located on one side of the spacer; and the projections of the intermediate liquid path 31, the liquid inlet holes 11, and the liquid outlet holes 12 on the middle surface of the connector 1 do not overlap. With the structural form of this solution, when the partition member 3 is in the first position, the intermediate liquid path 31 and the liquid inlet holes 11 are offset, so the facial mask liquid cannot enter the cavity of the connector 1. When the partition member 3 slides a distance within the cavity to the second position, the intermediate liquid path 31 and the liquid inlet holes 11 overlap, and the facial mask liquid can flow to the liquid outlet holes 12.

[0059] On the basis of the above embodiment, the structure of the intermediate liquid path 31 is a through hole, and its aperture corresponds to the liquid inlet hole 11 and the liquid outlet hole 12. The intermediate liquid path 31 is a straight hole, and the axis of the intermediate liquid path 31 is parallel to the axis of the liquid inlet hole 11 and the liquid outlet hole 12. The liquid inlet hole 11 and the liquid outlet hole 12 can be set at various angles. Considering the rationality of processing and the utilization rate of the limited structural position on the connector 1, the extended line of the axis of the liquid inlet hole 11 is perpendicular to the axis of the length direction of the connector 1. Figure 4 For reference, the axis of the connector 1 is vertical, the axis of the liquid inlet 11 and the liquid outlet 12 are horizontal, and the hole of the intermediate liquid path 31 is also opened horizontally.

[0060] It should be noted that the diameter of the intermediate liquid channel 31 can be slightly larger or smaller than the diameters of the liquid inlet hole 11 and the liquid outlet hole 12, but it must be smaller than the height of the spacer between the liquid inlet hole 11 and the liquid outlet hole 12, otherwise leakage may occur. Two sealing rings are provided for each intermediate liquid channel 31, one on each side of the through hole of the intermediate liquid channel 31.

[0061] On the basis of the above embodiment, one end of the connector 1 is an open end and the other end is a closed end, and the open end is connected to the internal cavity. The connecting assembly 2 includes a first connecting part 21 and a second connecting part 22. The first connecting part 21 includes two first connecting plates symmetrically arranged on both sides of the open end of the connector 1. The first connecting plates form a wing-like structure on both sides of the connector 1. The second connecting part 22 is a plate structure surrounding the closed end of the connector 1, and the extension direction of its plate surface is parallel to the length direction of the connector 1; the plate body of the second connecting part 22 is approximately in the shape of a "concave" character, and its notch position is connected to the closed end of the connector 1.

[0062] The thickness of the plates of the first connecting part 21 and the second connecting part 22 are both arranged in a gradient shape, with the edge of the side with greater thickness being fixedly connected to the connecting member 1, and the edge of the side with less thickness extending in the direction away from the connecting member 1. The liquid inlet 11 and the liquid outlet 12 are respectively located between the first connecting part 21 and the second connecting part 22. The first connecting part 21 and the second connecting part 22 are used to connect to the bag opening of the external bag body. The specific connection form can be hot melting, bonding, etc. The reason why the first connecting part 21 and the second connecting part 22 adopt a structural form with a gradient thickness is to make it easier to insert into the bag opening of the external bag body.

[0063] This solution only provides one implementation of the first connecting portion 21 and the second connecting portion 22. The structure only needs to facilitate connection to the external bag. Adaptable modifications can be made depending on the structure of the external bag. For example, the first connecting portion 21 and the second connecting portion 22 can also be constructed as rectangular frames surrounding the liquid inlet 11 and liquid outlet 12, respectively. The bag cover of the external bag is buckled onto the outside of this rectangular frame.

[0064] As a further solution, a groove can be set on the outside of the long side of the rectangular frame. The groove can be in the form of "S" shape, lightning shape, line segment array, etc., and then the groove is pressed with the help of the corresponding heating element to form a more stable connection point for the external bag.

[0065] Based on the above embodiment, an operating member 4 is fixedly connected to the end of the partition member 3. The operating member 4 is used as a force-applying structure for the user to apply force to the partition member 3. The operating member 4 is located outside the connector 1. One end of the operating member 4 is fixedly connected to the end of the partition member 3 facing the outside of the connector 1, and the other end extends away from the connector 1.

[0066] The operating member 4 can be provided in a variety of different forms. This solution provides a structure of the operating member 4, wherein the operating member 4 includes two symmetrically arranged force-applying parts 41, and the two force-applying parts 41 extend in a direction away from the connecting member 1. As shown in the accompanying drawings of this solution, the operating member 4 formed by the combination of the force-applying parts 41 of this solution is a plate body that is approximately in the shape of a heart. One end of the small head is fixedly connected to the partition member 3, and the two protruding ends are respectively two force-applying parts 41. This structure has three advantages. The first is that this shape is very beautiful and suitable for products such as facial masks, which are mainly used by women. The second is that this shape can have enough contact area with the hand, which conforms to the shape of the combination of the thumb and the middle of the index finger, and can transmit sufficient force to the partition member 3. The third is that the shape is relatively flat, and when additional external packaging is added, it can be accommodated in a flat box or bag, and takes up less space.

[0067] On the basis of the above embodiment, there are two situations in which the partition member 3 moves in the cavity of the connector 1. Corresponding to the two situations, this solution provides two different implementation methods. Figures 1 to 5 The first embodiment is shown. When the barrier member 3 is in its initial position, or first position, the intermediate liquid path 31 is located below its corresponding liquid inlet 11 and liquid outlet 12. To release the mask liquid from the barrier member 3, the barrier member 3 is pulled toward the open end of the connector 1 to the second position. This aligns the intermediate liquid path 31 with the liquid inlet 11 and liquid outlet 12, allowing the mask liquid to pass through.

[0068] like Figures 6 to 9 In the second embodiment, when the partition member 3 is in the initial position, the intermediate liquid path 31 is located above its corresponding liquid inlet hole 11 and liquid outlet hole 12. To release the blockage of the facial mask liquid, the partition member 3 is pressed and moved toward the closed end of the connector 1 to the second position. The intermediate liquid path 31 is aligned with the liquid inlet hole 11 and the liquid outlet hole 12, allowing the facial mask liquid to pass through.

[0069] On the basis of the above implementation scheme, considering that the partition piece 3 is a cylinder, it is necessary to avoid its twisting, which may cause the mask liquid to be unable to pass through. Therefore, this scheme also provides a guide structure 5, which is a guide block and guide groove combination arranged between the connecting piece 1 and the partition piece 3. The opening direction of the guide groove in the guide structure 5 is parallel to the length direction of the connecting piece 1; the guide structure 5 can guide the sliding direction of the partition piece 3 in the connecting piece 1.

[0070] Corresponding to the above two implementation methods, this solution provides two different guide structures 5, see Figure 5In the first embodiment, the guide groove is formed on the inner wall of the cavity of the connecting member 1, and the guide block is connected to the outer wall of the partition member 3. The guide block adopts an inclined plate structure, one end of which is fixedly connected to the partition member 3 and the other end extends toward the operating member 4. The end of the guide block away from the partition member 3 is located in the guide groove. Figure 8 In the second embodiment, the guide block is provided on the inner side wall of the open end of the connecting member 1, and the partition member 3 is provided with a guide groove corresponding to the guide block. The above two guide structures 5 can also be used interchangeably.

[0071] On the basis of the above implementation scheme, in order to ensure that the partition member 3 can be maintained in the first position when it is not intentionally used, this solution also provides a limiting structure 6, which is arranged between the connecting member 1 and the partition member 3. The limiting structure 6 limits the partition member 3 to the first position.

[0072] The limiting structure 6 includes a limiting member, which is connected to the partition member 3. A breakable portion is provided between the limiting member and the partition member 3. The breakable portion can separate the limiting member and the partition member 3 under external force, thereby releasing the limiting effect of the limiting structure 6 on the partition member 3.

[0073] Similarly, this solution provides two different ways to set the limiting structure 6. Figure 3 and Figure 5 In the first embodiment, the retaining member is hook-shaped, and a corresponding groove is provided on the connector 1 to which the retaining member's hook structure can be connected. When the partition member 3 is in the first position, the retaining member remains hooked in the connector's groove, engaging the connector 1 through the internal space of its hook structure. In the absence of external force or with minimal external force, the interlocking force between the retaining member and the connector ensures that the partition member 3 does not move. When a force is applied to lift the partition member 3, the retaining member's breakable portion breaks, separating the retaining member and the partition member 3, and no longer restricting the movement of the partition member 3.

[0074] See also Figure 8 In the second embodiment, the limiting member includes limiting blocks disposed on either side of the upper end of the barrier member 3. Connecting member 1 is provided with external slots corresponding to the limiting blocks. When the barrier member 3 is in the first position, the limiting blocks are embedded in the external slots, preventing the barrier member 3 from being pressed downward. When force is applied, the breakable portion between the limiting blocks and the barrier member 3 breaks, separating the limiting blocks from the barrier member 3. This allows the barrier member 3 to be pressed downward, allowing the mask liquid to flow.

[0075] For the second embodiment, the function of the limit block is to prevent the partition member 3 from being pressed down when not in use. In addition, an inner slot is provided on the inner wall of the cavity inside the connector 1, and a limit plate is provided on the outer side of the partition member 3 corresponding to the inner slot. The limit plate is an inclined plate, and its end facing the closed end of the connector 1 is fixedly connected to the partition member 3, while its end facing the open end of the connector 1 is away from the connector 1. During assembly, the partition member 3 is inserted into the cavity of the connector 1. The limit plate moves closer to the partition member 3 under the action of elasticity. When it moves to the lower slot, the limit plate restores its shape, and its end is stuck in the slot, making it impossible to pull out the partition member 3.

[0076] Based on the above implementation plan, see Figure 3 and Figure 8 To facilitate user operation, this solution also provides a grip 7, which is symmetrically arranged on the outside of the connector 1 and located at the open end of the connector 1. The grip 7 is a boss that protrudes toward the outside of the connector 1. The purpose of the grip 7 is that when the user pinches the operating member 4 with one hand, the other hand can pinch the grip 7, thereby stabilizing the position of the connector 1 and making it easier to lift or press the operating member 4.

[0077] In the description of the present application and its embodiments, it should be noted that, unless there is a conflict, the embodiments created in the present application and the features in the embodiments can be combined with each other.

[0078] In the description of the invention of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the invention of the present application and simplifying the description, rather than indicating or implying 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 the invention of the present application. In addition, the terms "first", "second" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second" and the like may explicitly or implicitly include one or more of such features. In the description of the invention of the present application, unless otherwise specified, "multiple" means two or more.

[0079] In the description of the invention of this application, it should be noted that, unless otherwise clearly specified or limited, the terms "installed," "connected," "connected," and "set" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. For those skilled in the art, the specific meanings of the above terms in the invention of this application can be understood based on specific circumstances.

[0080] Although the preferred embodiments of the present application have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present application.

[0081] Obviously, those skilled in the art may make various changes and modifications to this application without departing from the spirit and scope of this application. Thus, if these modifications and variations of this application fall within the scope of the claims of this application and their equivalents, this application is intended to include these modifications and variations.

Claims

1. A liquid packaging connection structure, characterized in that: include: A connecting piece having a cavity formed therein, with a liquid inlet and a liquid outlet symmetrically formed on both sides of the cavity wall, wherein the liquid inlet and the liquid outlet are coaxial and have equal inner diameters; A connecting component is provided on the outside of the connecting piece and can be connected to the bag opening of the external bag body; A partition member is arranged in the cavity of the connecting member, and an intermediate liquid path is provided on the partition member; the partition member can slide from a first position to a second position in the cavity of the connecting member; when in the first position, the intermediate liquid path and the liquid inlet hole and the liquid outlet hole are not connected; when in the second position, the intermediate liquid path and the liquid inlet hole and the liquid outlet hole form a liquid passage.

2. The liquid packaging connection structure according to claim 1, characterized in that: Also includes: An operating member is fixedly provided at the end of the partition member and is located outside the connecting member; One end of the operating member is fixedly connected to the end of the partition member facing the outside of the connecting member, and the other end extends in a direction away from the connecting member; the operating member includes: Two force-applying parts are symmetrically provided and extend in a direction away from the connecting member respectively.

3. The liquid packaging connection structure according to claim 1, characterized in that: The connecting piece is a long strip-shaped structure, and its internal cavity is opened along the length direction of the connecting piece; The shape of the partition piece corresponds to the cavity of the connecting piece, and the length of the partition piece is less than or equal to the length of the cavity; the sliding direction of the partition piece is parallel to the length direction of the connecting piece.

4. The liquid dispensing connection structure according to claim 3, characterized in that: The liquid inlet holes and the liquid outlet holes are respectively provided in a plurality, and the number of the liquid inlet holes and the liquid outlet holes corresponds to each other; The liquid inlet holes and the liquid outlet holes are distributed in a linear array along the length direction of the connecting piece.

5. The liquid packaging connection structure according to claim 4, characterized in that: The liquid inlet holes and the liquid outlet holes are arranged on the cavity wall of the connecting member in a uniformly distributed manner with equal intervals; A spacer is reserved between adjacent liquid inlet holes. When the partition is in the first position, the intermediate liquid path is located on one side of the spacer. The projections of the intermediate liquid path, the liquid inlet hole and the liquid outlet hole on the middle surface of the connector do not overlap.

6. The liquid dispensing connection structure according to claim 5, characterized in that: The extended axis of the liquid inlet hole is perpendicular to the axis of the length direction of the connecting piece; The intermediate liquid path is a through hole opened on the partition piece. The axis of the intermediate liquid path is a straight line, and the axis of the intermediate liquid path is parallel to the axes of the liquid inlet hole and the liquid outlet hole.

7. The liquid dispensing connection structure according to claim 3, characterized in that: One end of the connecting piece is an open end, and the other end is a closed end; The connection component includes: A first connecting portion comprising two first connecting plates symmetrically arranged on both sides of the open end of the connecting member; The second connecting portion is a plate structure surrounding the closed end of the connecting member, and the extension direction of the plate surface is parallel to the length direction of the connecting member; The thickness of the plates of the first connecting portion and the second connecting portion are both gradually changed, with the edge on the side with greater thickness being fixedly connected to the connecting member, and the edge on the side with less thickness extending in a direction away from the connecting member.

8. The liquid dispensing connection structure according to claim 3, wherein: Also includes: The guide structure is a guide block and guide groove combination arranged between the connecting piece and the partition piece. The opening direction of the guide groove in the guide structure is parallel to the length direction of the connecting piece. The guide structure can guide the partition piece in the sliding direction of the connecting piece.

9. The liquid dispensing connection structure according to claim 3, characterized in that: Also includes: A limiting structure is provided between the connecting member and the partition member, and the limiting structure can limit the partition member to the first position; the limiting structure includes: The easily breakable portion can release the limit of the partition member by the limit structure under external force.

10. The liquid dispensing connection structure according to claim 7, characterized in that: Also includes: A gripping member, at least one of which is provided on the outside of the connecting member and is located at the open end of the connecting member; The holding piece is a boss protruding toward the outer side of the connecting piece.

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