Double-tube extrusion bottle cap

By designing a dual-tube extrusion cap, two liquids can be stored in the same container and the dispensing mode can be switched as needed. This solves the problems of cumbersome carrying and inconvenient use in existing technologies and provides a flexible solution for liquid use.

CN223673267UActive Publication Date: 2025-12-16GUANGZHOU SHIKA TECH CO LTD
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Patent Information

Application Number
CN202520007232.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-02
Publication Date
2025-12-16
Estimated Expiration
2035-01-02

AI Technical Summary

Technical Problem

In the existing technology, bottles can only hold a single liquid, which makes them cumbersome to carry and prevents the separation or mixing of two compatible liquids when needed.

Method used

A dual-tube extrusion cap was designed, comprising an outer shell and an inner shell, which respectively store two types of liquids. Three liquid dispensing modes are achieved by rotating the cap: liquids from both the inner and outer shells are discharged simultaneously, liquids from the inner shell are discharged separately, and liquids from the outer shell are discharged separately. The wedge-shaped fit of the protrusions and recesses, as well as the design of the paddle and groove, provide resistance and sound feedback to ensure accurate mode switching.

Benefits of technology

It enables switching between liquid mixing and separate dispensing modes as needed, reducing carrying burden and improving ease of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a double-tube extrusion bottle cap, which relates to the technical field of bottle caps, and comprises a container and a bottle cap arranged at the opening end of the container, the container comprises an outer shell and an inner shell, and the outer shell is provided with a first liquid outlet hole for discharging liquid in the inner shell and a second liquid outlet hole for discharging liquid in the outer shell; the bottle cap comprises a lower cap body rotationally connected with the container, an upper cap body is arranged on the lower cap body in an overturning mode, and a first liquid outlet and a second liquid outlet are formed in the lower cap body; in the rotating stroke of the bottle cap, the following three liquid outlet modes can be achieved: mode 1, when the first liquid outlet is communicated with the first liquid outlet hole and the second liquid outlet is communicated with the second liquid outlet hole, liquid in the inner shell and liquid in the outer shell can be discharged at the same time; in the second mode, when the first liquid outlet hole is communicated with the second liquid outlet hole, the liquid in the inner shell can be discharged; and in the third mode, when the second liquid outlet is communicated with the first liquid outlet, the liquid in the shell can be discharged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bottle cap, and specifically to a double-pipe extrusion bottle cap. BACKGROUND

[0002] It is known that the extrusion bottle cap generally refers to a sealing piece for the opening end of a bottle made of plastic or other materials, which generally includes a lower cap with an extrusion hole and an upper cap for sealing the extrusion hole, the lower cap is connected with the opening end of the bottle, and the upper cap is connected with the lower cap, when the liquid in the bottle is needed to be used, the outer cap is only needed to be opened, and the liquid in the inner part can be discharged from the extrusion hole.

[0003] In the prior art, the bottle used can generally only load a single liquid, so the user often needs to carry multiple bottles loading different liquids, thereby causing the complexity of carrying and simultaneously bringing inconvenience to use, therefore, in order to solve this problem, in the patent with the publication number CN111268290B, the publication date of May 17, 2024, and the name of “a bottle capable of loading two liquid cosmetics”, a bottle capable of loading two liquid cosmetics is disclosed, which comprises a bottle body, an upper sealing cap, and a conduit, the bottle body is threadedly installed or clamped with the upper sealing cap, the bottom end of the conduit extends into the bottle body, the bottom end of the bottle body is rotatably installed with a base, the inside of the bottle body movably provides a sealing sheet and a separation piece, the top of the separation piece is closed and the bottom is open, the sealing sheet penetrates to provide two arc-shaped notches, and the bottom end of the separation piece extends to the lower side of the sealing sheet through the two arc-shaped notches. The arrangement of various structures can store two different types of liquid cosmetics in a bottle body at the same time and in different areas, and the two cosmetics will not be mixed before the bottle is opened for use, the shelf life of the cosmetics is maintained, and when the two cosmetics are needed to be used, the base below the bottle body is only needed to be rotated to mix the two cosmetics, thereby reducing the carrying burden of the user and making the use more convenient.

[0004] In the prior art, some liquids need to be used with another liquid, but need to be mixed and used at the time of use, so as not to be invalid after being mixed for a long time, and sometimes according to different use conditions, the two liquids need to be used separately, the deficiency of the above-mentioned patent is that although the two liquids can be mixed and used, the two liquids cannot be separated after being mixed, and a single liquid cannot be used alone. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a double-pipe extrusion bottle cap, and solves the technical problems in the related art.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a double -tube extrusion bottle cover, including container and the bottle cover of being located container open end, the container includes the shell and the inner shell, be equipped with the first liquid outlet hole of the shell for the liquid discharge in the inner shell and the second liquid outlet hole for the liquid discharge in the shell, the bottle cover includes the lower cover of being rotatably connected with the container, the upper cover is arranged on the lower cover through the mode of turning over, the first liquid outlet and the second liquid outlet are arranged on the lower cover, in the rotating stroke of bottle cover, can realize following three liquid discharge modes: mode one, when the first liquid outlet and the first liquid outlet hole are communicated, the second liquid outlet and the second liquid outlet hole are communicated, the liquid in the inner shell and the liquid in the shell can be discharged simultaneously, mode two, when the first liquid outlet hole and the second liquid outlet are communicated, the liquid in the inner shell can be discharged, mode three, when the second liquid outlet hole and the first liquid outlet are communicated, the liquid in the shell can be discharged.

[0008] The upper cover is provided with a first sealing plug corresponding to the first liquid outlet and a second sealing plug corresponding to the second liquid outlet.

[0009] The container part of the shell and the container part of the inner shell are made of soft material, and the mouth part of the shell and the mouth part of the inner shell are made of hard material.

[0010] The lower cover is internally provided with three convex parts corresponding to the three liquid discharge modes in sequence along the circumference, and the mouth part of the shell is provided with three concave parts in sequence along the circumference; in any liquid discharge mode, the three convex parts and the three concave parts are one-to-one corresponding, and each convex part is inserted into the corresponding concave part.

[0011] In the rotating direction of the bottle cover, any convex part and any concave part have a projection overlapping part, and in the insertion stroke of any convex part and any concave part, the resistance of the concave part to the convex part first increases and then decreases.

[0012] The lower cover is internally provided with a tab, and the mouth part of the shell is further provided with three tab slots in sequence along the circumference, and in the switching stroke of the three liquid discharge modes, the tab produces sound feedback after being actuated by the tab slot.

[0013] The utility model has the advantages that by arranging the first liquid outlet hole, the second liquid outlet hole, the first liquid outlet and the second liquid outlet, three different communication modes can be realized in the rotating process of the bottle cover, so that the liquid in the shell and the liquid in the inner shell can be discharged together or separately, thereby different liquid discharge modes can be switched according to actual use conditions. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to these drawings.

[0015] Figure 1 The three-dimensional structure schematic diagram of the double-tube extrusion bottle cap provided in the embodiment of the present application is shown in the figure.

[0016] Figure 2 The explosion view of the double-tube extrusion bottle cap provided in the embodiment of the present application is shown in the figure.

[0017] Figure 3 The cross-sectional structure schematic diagram of the upper cover and the lower cover of the double-tube extrusion bottle cap provided in the embodiment of the present application when closed is shown in the figure.

[0018] Figure 4 The cross-sectional structure schematic diagram of the upper cover and the lower cover of the double-tube extrusion bottle cap provided in the embodiment of the present application when opened is shown in the figure.

[0019] Figure 5 The three-dimensional structure schematic diagram of the double-tube extrusion bottle cap provided in the embodiment of the present application is shown in the figure.

[0020] 1, container; 10, outer shell; 11, inner shell; 12, first liquid outlet; 13, second liquid outlet; 14, first sealing plug; 15, second sealing plug; 2, bottle cap; 20, upper cover; 21, lower cover; 22, first liquid outlet; 23, second liquid outlet; 24, annular clamping sleeve; 25, annular clamping groove; 26, protruding part; 27, recessed part; 28, tab; 29, tab groove. DETAILED DESCRIPTION

[0021] In order to make those skilled in the art better understand the technical solutions of the present application, the following will combine the drawings needed to be used in the embodiments with the description of the present application. Figure 1 to the drawings Figure 5 The present application will be further described in detail.

[0022] The utility model embodiment provides double -tube extrusion bottle lid 2, including container 1 and being located container 1 open end's bottle lid 2, container 1 includes shell 10 and inner shell 11, be equipped with the first liquid outlet hole 12 of the liquid discharge of inner shell 11 in shell 10 and the second liquid outlet hole 13 of the liquid discharge of shell 10, bottle lid 2 includes with container 1 rotary connection's lower cover 21, the lower cover 21 is provided with upper cover 20 through the mode of turning over on, the first liquid outlet 22 and second liquid outlet 23 are set up in lower cover 21, in the rotary travel of bottle lid 2, can realize following three kinds of liquid discharge mode: mode one, when the first liquid outlet 22 with first liquid outlet hole 12 intercommunication, second liquid outlet 23 with second liquid outlet hole 13 intercommunication, the liquid in inner shell 11 with the liquid in shell 10 can simultaneously discharge, mode two, when first liquid outlet hole 12 with second liquid outlet 23 intercommunication, the liquid in inner shell 11 can discharge, mode three, when second liquid outlet hole 13 with first liquid outlet 22 intercommunication, the liquid in shell 10 can discharge.

[0023] Specifically, in the prior art, the bottle used can generally only load a single liquid, so users often need to carry multiple bottles loaded with different liquids, thereby causing the complexity of carrying and inconvenience of use. Therefore, to solve this problem, in the prior art, a bottle loaded with two liquids is arranged in combination, a cavity for storing two pastes or liquids is arranged in a container 1, and when in use, only the two liquids need to be mixed. However, some liquids need to be used in combination with another liquid, but need to be mixed and used in use, so as to avoid invalidation after long mixing time. Sometimes, according to different use conditions, the two liquids need to be used separately, so as to solve the above problems. In the embodiment, the container 1 is divided into an outer shell 10 and an inner shell 11, a first cavity is formed between the inner wall of the outer shell 10 and the outer wall of the inner shell 11, the first cavity is used for storing liquid A, the inner shell 11 itself is a second cavity, the second cavity is used for storing liquid B, the bottle mouth portion of the inner shell 11 is inserted into the bottle mouth portion of the outer shell 10, the radial section of the bottle mouth portion of the outer shell 10 is circular, the radial section of the bottle mouth portion of the inner shell 11 is rectangular, that is, there is a channel for liquid A to flow out between the bottle mouth portion of the inner shell 11 and the bottle mouth portion of the outer shell 10, a first liquid outlet hole 12 and a second liquid outlet hole 13 are arranged on the bottle mouth portion of the outer shell 10, the first liquid outlet hole 12 communicates with the second cavity and is used for discharging liquid B, a cap 2 is divided into an upper cap 20 and a lower cap 21, the lower cap 21 is rotatably arranged on the bottle mouth portion of the outer shell 10 by clamping, which is not described in detail in the prior art, the upper cap 20 is arranged on the lower cap 21 by overturning, and the upper cap 20 is provided with an annular clamping sleeve 24, the lower cap 21 is provided with an annular clamping groove 25, during overturning of the upper cap 20 towards the lower cap 21, the annular clamping sleeve 24 is gradually clamped with the annular clamping groove 25, that is, in the axial direction, the annular clamping groove 25 limits the movement of the annular clamping sleeve 24 to a certain extent, that is, when an external force acts, the upper cap 20 can be overturned away from the lower cap 21, wherein the first liquid outlet hole 22 and the second liquid outlet hole 23 are arranged on the lower cap 21, and by rotating the lower cap 21, three liquid discharge modes can be realized by the arrangement and combination of the first liquid outlet hole 12, the second liquid outlet hole 13, the first liquid outlet hole 22 and the second liquid outlet hole 23:

[0024] Mode one, when the first liquid outlet hole 22 communicates with the first liquid outlet hole 12 and the second liquid outlet hole 23 communicates with the second liquid outlet hole 13, the liquid in the inner shell 11 and the liquid in the outer shell 10 can be discharged at the same time;

[0025] Mode two, when the first liquid outlet hole 12 communicates with the second liquid outlet hole 23, the liquid in the inner shell 11 can be discharged;

[0026] Mode three, when the second liquid outlet hole 13 communicates with the first liquid outlet hole 22, the liquid in the outer shell 10 can be discharged;

[0027] In the axial direction, the inner wall of the lower cover 21 is in sliding fit with the bottle mouth portion outer wall of the outer shell 10, that is, when in mode two, the second liquid outlet hole 13 is sealed by the inner wall of the lower cover 21, and the first liquid outlet 22 is sealed by the bottle mouth portion outer wall of the outer shell 10; when in mode three, the first liquid outlet hole 12 is sealed by the inner wall of the outer cover, and the second liquid outlet 23 is sealed by the bottle mouth portion outer wall of the outer shell 10.

[0028] The beneficial effects of the embodiment are that by arranging the first liquid outlet hole 12, the second liquid outlet hole 13, the first liquid outlet 22, and the second liquid outlet 23, three different communication modes can be realized during the rotation of the bottle cap 2, so that the liquid in the outer shell 10 and the liquid in the inner shell 11 can be discharged together or separately, thereby different liquid discharge modes can be switched according to actual use.

[0029] Preferably, the upper cover 20 is provided with a first sealing plug 14 corresponding to the first liquid outlet 22 and a second sealing plug 15 corresponding to the second liquid outlet 23; specifically, after the upper cover 20 and the lower cover 21 are closed in the three liquid discharge modes, the sealing effect between the upper cover 20 and the lower cover 21 cannot effectively seal the first liquid outlet 22 and the second liquid outlet 23 on the lower cover 21, therefore, in this embodiment, the first sealing plug 14 and the second sealing plug 15 are arranged on the corresponding part of the upper cover 20, and both the first sealing plug 14 and the second sealing plug 15 are made of plastic and have a certain elastic deformation capacity; when the lower cover 21 is closed with the upper cover 20, the first sealing plug 14 is inserted into the first liquid outlet 22, and the second sealing plug 15 is inserted into the second liquid outlet 23, thereby more effectively avoiding the leakage of liquid; in an optional embodiment, the container 1 part of the outer shell 10 and the container 1 part of the inner shell 11 are made of soft material, and the bottle mouth portion of the outer shell 10 and the bottle mouth portion of the inner shell 11 are made of hard material; in this way, the liquid can be easily discharged by extruding the container 1, and the bottle mouth portion is made of hard material, which can avoid the bottle mouth portion being extruded to cause gaps between the first sealing plug 14 and the first liquid outlet 22 and between the second sealing plug 15 and the second liquid outlet 23.

[0030] Further, the inside of the lower cover 21 is sequentially arranged with three protruding parts 26 corresponding to the three liquid discharge modes in the circumferential direction, and the bottle mouth portion of the outer shell 10 is sequentially arranged with three recessed parts 27 in the circumferential direction; in any liquid discharge mode, the three protruding parts 26 and the three recessed parts 27 are one-to-one corresponding, and each protruding part 26 is inserted into the corresponding recessed part 27; in the rotation direction of the bottle cap 2, there is a projection overlap part between any protruding part 26 and any recessed part 27, and in the insertion stroke of any protruding part 26 and any recessed part 27, the resistance of the recessed part 27 to the protruding part 26 first increases and then decreases.

[0031] Specifically, when any liquid outlet mode is needed, the position of the lower cover 21 needs to be limited to avoid the problem that the liquid outlet mode is switched or three liquid outlet modes cannot be realized after the bottle cap 2 is accidentally touched, therefore, in the embodiment, three protruding portions 26 are arranged in sequence along the circumference inside the lower cover 21, and three recessed portions 27 are arranged along the circumference at the bottle opening part of the shell 10, in the rotation stroke of the lower cover 21, any protruding portion 26 can be inserted with any recessed portion 27, among which, in the insertion stroke of the protruding portion 26 and the recessed portion 27, there will be a wedge-shaped matching part between the protruding portion 26 and the recessed portion 27, which will generate a force that hinders the insertion of the protruding portion 26 and the recessed portion 27, and when the protruding portion 26 and the recessed portion 27 are separated, there is also a wedge-shaped matching part between the protruding portion 26 and the recessed portion 27, which will hinder the separation of the protruding portion 26 and the recessed portion 27, so that in any liquid outlet mode, the lower cover 21 can be limited to rotate on the shell 10 to a certain extent, and in the rotation stroke of the lower cover 21, the resistance provided by the wedge-shaped matching part can provide a certain hand feeling for the user to determine that the liquid outlet mode switching is successful.

[0032] In an optional embodiment, the lower cover 21 is provided with a push piece 28 inside, and the bottle opening part of the shell 10 is also provided with three push grooves 29 in sequence along the circumference, in the switching stroke of the three liquid outlet modes, the push piece 28 generates sound feedback after being pushed by the push groove 29; specifically, the sound generated by the pushing action between the push piece 28 and any push groove 29 can also provide sound feedback for the user, so as to better determine the liquid outlet mode switching.

[0033] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, the described embodiments can be modified in various ways without departing from the spirit and scope of the present application. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A double tube extruded bottle cap comprising a container and a cap provided at an open end of the container, characterized in that, The container comprises an outer shell and an inner shell, the outer shell is provided with a first liquid outlet hole for liquid in the inner shell to discharge and a second liquid outlet hole for liquid in the outer shell to discharge; the bottle cap comprises a lower cap rotationally connected with the container, the lower cap is provided with an upper cap in a flip manner, the lower cap is provided with a first liquid outlet hole and a second liquid outlet hole; in the rotation stroke of the bottle cap, the following three liquid discharge modes can be realized: Mode one, when the first liquid outlet hole and the first liquid outlet hole are communicated and the second liquid outlet hole and the second liquid outlet hole are communicated, the liquid in the inner shell and the liquid in the outer shell can be discharged at the same time; Mode two, when the first liquid outlet hole and the second liquid outlet hole are communicated, the liquid in the inner shell can be discharged; Mode three, when the second liquid outlet hole and the first liquid outlet hole are communicated, the liquid in the outer shell can be discharged.

2. The dual tube extruded cap of claim 1, wherein, The upper cap is provided with a first sealing plug corresponding to the first liquid outlet hole and a second sealing plug corresponding to the second liquid outlet hole.

3. The dual tube extruded cap of claim 1, wherein, The container part of the outer shell and the container part of the inner shell are made of soft material, and the bottle mouth part of the outer shell and the bottle mouth part of the inner shell are made of hard material.

4. The dual tube extruded cap of claim 3, wherein, The lower cap is internally arranged with three convex parts corresponding to the three liquid discharge modes in sequence along the circumference, and the bottle mouth part of the outer shell is arranged with three concave parts in sequence along the circumference; in any liquid discharge mode, the three convex parts and the three concave parts are one-to-one corresponding, and each convex part is inserted with the corresponding concave part.

5. The dual tube extruded cap of claim 4, wherein, In the rotation direction of the bottle cap, any convex part and any concave part have a projection coinciding part, and in the insertion stroke of any convex part and any concave part, the resistance of the concave part to the convex part first increases and then decreases.

6. The dual tube extruded cap of claim 3, wherein, The lower cap is internally provided with a tab, and the bottle mouth part of the outer shell is further arranged with three tab slots in sequence along the circumference, in the switching stroke of the three liquid discharge modes, the tab produces sound feedback after being actuated by the tab slot.

Citation Information

Patent Citations

  • A bottle capable of containing two liquid cosmetics

    CN111268290B