Discharging structure of packaging container

Abstract

The utility model discloses a discharging structure of a packaging container, which is used for reducing parts, simplifying the structure and optimizing the sealing design. The discharging structure of the packaging container comprises an outer cover, a discharging head and a pipe body. An end head is arranged at the discharging end of the pipe body, and a discharging hole is formed in the end head; the discharging head is rotationally arranged at the end in a sleeving manner in a threaded connection manner and is provided with a discharging pipe; the discharging head rotates to drive the discharging pipe to axially move, so that the discharging pipe is communicated with or not communicated with the discharging hole; the outer cover is arranged on the discharging head in a sleeving mode so as to cover the discharging head, and the outer cover is connected with the pipe body. A limiting groove and a limiting flange are arranged between the outer cover and the discharging head so that synchronous rotation can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging hoses, in particular to a discharging structure of a packaging container. Background Art

[0002] Packaging hoses are commonly found in technical fields such as cosmetics and medical supplies. They are used to hold liquid or gel contents. Users can squeeze out a certain amount of contents for use with a simple squeezing action.

[0003] Currently, packaging hoses on the market are often equipped with detachable discharge components to allow for different content delivery methods. Typically, to operate or replace the discharge component, the user must remove the outer cover, which directly touches the discharge component, potentially contaminating their hands and resulting in a poor user experience.

[0004] In the prior art, in order to solve this problem, a linkage mechanism is designed between the outer cover and the discharge assembly, so that the user can link the opening and closing of the discharge assembly by twisting the outer cover. However, the discharge assembly usually contains multiple parts and has many disadvantages such as high production cost, difficult assembly, and difficult sealing. Utility Model Content

[0005] The purpose of the utility model is to provide a discharging structure of a packaging container, so as to solve the problems existing in the prior art, reduce the number of parts, simplify the structure, and optimize the sealing design.

[0006] In order to achieve the above objectives, the solution of the present invention is:

[0007] A discharging structure of a packaging container comprises an outer cover, a discharging head and a tube body; the discharging end of the tube body is provided with an end head, and the end head is provided with a discharging hole; the discharging head is threadedly connected and rotatably sleeved on the end head, and is provided with a discharging pipe; the rotation of the discharging head drives its discharging pipe to move axially to achieve connection or disconnection between the discharging pipe and the discharging hole; the outer cover is sleeved on the discharging head to cover the discharging head and is engaged with the tube body; a limiting groove and a limiting flange are provided between the outer cover and the discharging head to achieve synchronous rotation.

[0008] The end face of the end head facing the discharge head is provided with a plug-in groove, a sealing column is provided at the axial position of the plug-in groove, and the discharge hole is provided on the bottom wall of the plug-in groove and located on the side of the sealing column; the discharge head is provided with a plug-in tube matching the plug-in groove, the inner end of the plug-in tube is dynamically sealed with the side wall of the plug-in groove, the discharge pipe is provided in the plug-in tube and is coaxially provided with the sealing column; the inner end of the discharge pipe contacts or separates from the sealing column as the discharge head moves axially.

[0009] Preferably, the discharging structure of the packaging container further comprises an inner plug and a flocked sleeve; the inner plug is embedded in the outer end of the inserting pipe and sleeved on the discharging pipe; the flocked sleeve is sleeved on the inner plug.

[0010] A step for the discharging head to abut against is arranged on the circumferential surface of the end head.

[0011] Preferably, a first limiting block and a second limiting block are arranged on the side wall of the step, a movable block is arranged on the inner wall of the discharging head, and the movable block is movably matched between the first limiting block and the second limiting block as the discharging head rotates relative to the end head.

[0012] Limiting rib strips are arranged on the circumferential surface of the end head, and a limiting ring groove for the limiting rib strips to be tightly fitted is arranged on the inner wall of the opening of the outer cover.

[0013] The limiting groove and the limiting flange extend along the axial directions of the outer cover and the discharging head respectively.

[0014] The end head and the pipe body are separate parts. A hollow connecting part is arranged at the discharging end of the pipe body. The end head is detachably installed in the connecting part, and the discharging hole is communicated with the connecting part. Preferably, the end head and the connecting part are detachably installed by means of threaded connection.

[0015] Alternatively, the end head and the pipe body are integral parts.

[0016] After adopting the above technical solution, the utility model has the following technical effects:

[0017] In the utility model, only one discharging head is installed on the end head of the pipe body as a discharging component, so that the parts of the product are reduced, the structure is simpler, the production is convenient, and the assembly is also easy; the outer cover rotates synchronously with the discharging head through the cooperation of the limiting groove and the limiting flange, so that the user can rotate the outer cover to drive the discharging head to rotate relative to the pipe body without opening the outer cover. Due to the threaded connection assembly relationship between the discharging head and the pipe body, when the discharging head rotates, the axial movement relative to the pipe body is realized through the thread, so as to realize the connection or disconnection of its discharging pipe and the discharging hole, and further realize the opening and closing of the packaging hose; due to the covering of the outer cover, the user's hand will not contact the discharging head during the operation process, and the dirt can be avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a perspective view of the disassembled state of the first embodiment of the utility model;

[0019] Figure 2 is a sectional view of the disassembled state of the first embodiment of the utility model;

[0020] Figure 3 This is a cross-sectional view of the assembled state of the first embodiment of the utility model;

[0021] Figure 4 This is a perspective view of an exploded state of the second embodiment of the present invention;

[0022] Figure 5 This is a cross-sectional view of an exploded state of the second embodiment of the present utility model;

[0023] Figure 6 This is a cross-sectional view of the second embodiment of the present utility model in an assembled state;

[0024] Description of Figure Numbers:

[0025] 1-outer cover; 11-limiting groove; 12-limiting ring groove;

[0026] 2-discharging head; 21-discharging pipe; 22-limiting flange; 23-insertion pipe; 24-movable block;

[0027] 3-Pipe body; 31-Connection part;

[0028] 4-end; 41-discharge hole; 42-insertion slot; 43-sealing column; 44-step; 45-first limit block; 46-second limit block; 47-limiting rib;

[0029] 5-Nestled;

[0030] 6- Flocking cover. DETAILED DESCRIPTION

[0031] In order to further explain the technical solution of the present invention, the present invention will be described in detail below through specific embodiments.

[0032] refer to Figures 1-6 As shown, the utility model discloses a discharging structure of a packaging container, comprising an outer cover 1, a discharging head 2 and a tube body 3;

[0033] The discharge end of the tube body 3 is provided with a terminal 4, and the terminal 4 is provided with a discharge hole 41;

[0034] The discharge head 2 is threadedly connected and rotatably sleeved on the end head 4, and is provided with a discharge pipe 21; the rotation of the discharge head 2 drives its discharge pipe 21 to move axially to achieve communication or disconnection between the discharge pipe 21 and the discharge hole 41;

[0035] The outer cover 1 is sleeved on the discharge head 2 to cover the discharge head 2 and is engaged with the tube body 3; a limiting groove 11 and a limiting flange 22 are provided between the outer cover 1 and the discharge head 2 to achieve synchronous rotation.

[0036] With the above solution, only one discharge head 2 is installed on the end 4 of the tube body 3 as the discharge component in the utility model, which reduces the number of parts of the product, makes the structure simpler, facilitates production and is also easy to assemble; the outer cover 1 is synchronously rotated with the discharge head 2 through the cooperation of the limiting groove 11 and the limiting flange 22, so that the user can rotate the outer cover 1 to link the discharge head 2 to rotate relative to the tube body 3 without opening the outer cover 1. Since the discharge head 2 and the tube body 3 are in a threaded connection assembly relationship, when the discharge head 2 rotates, it axially moves relative to the tube body 3 through the thread, so as to realize the connection or disconnection of its discharge pipe 21 and the discharge hole 41, and further realize the opening and closing of the packaging hose; due to the covering of the outer cover 1, the user's hand will not contact the discharge head 2 during the operation process, and dirt can be avoided.

[0037] In some embodiments of the utility model, a plug-in groove 42 is provided on the end face of the end 4 facing the discharge head 2, a sealing column 43 is provided at the axial position of the plug-in groove 42, and the above-mentioned discharge hole 41 is provided on the bottom wall of the plug-in groove 42 and on the side of the sealing column 43; the discharge head 2 is provided with a plug-in pipe 23 matching the plug-in groove 42, the inner end of the plug-in pipe 23 is dynamically sealed and fitted on the side wall of the plug-in groove 42, and the discharge pipe 21 is arranged in the plug-in pipe 23 and coaxially arranged with the sealing column 43; the inner end of the discharge pipe 21 contacts or separates from the sealing column 43 as the discharge head 2 axially moves, so as to realize the connection or disconnection of the discharge pipe 21 and the discharge hole 41.

[0038] Furthermore, it further includes an inner plug 5 and a flocking sleeve 6; the inner plug 5 is embedded in the outer end of the plug-in pipe 23 and sleeved on the discharge pipe 21; the flocking sleeve 6 is sleeved on the inner plug 5.

[0039] In some embodiments of the utility model, a step 44 for the discharge head 2 to abut against is provided on the circumferential surface of the end 4.

[0040] Furthermore, a first limiting block 45 and a second limiting block 46 are provided on the side wall of the step 44, and a movable block 24 is provided on the inner wall of the discharge head 2. The movable block 24 is movably fitted between the first limiting block 45 and the second limiting block 46 as the discharge head 2 rotates relative to the end 4, which limits the angle of the opening and closing states of the discharge head 2, can prevent the user from over-opening and causing the discharge head 2 to loosen from the end 4, and also ensures the operation feel of the product. The user only needs to turn it to the end, and can quickly switch the opening and closing states of the cosmetic container without worrying about the problem of over-opening / over-closing, making it more worry-free and having a better experience when using the cosmetic container.

[0041] In some embodiments of the present utility model, a limiting rib 47 is provided on the circumferential surface of the above-mentioned end head 4 (below the above-mentioned step 44), and a limiting ring groove 12 for tightly fitting the limiting rib 47 is provided on the inner wall of the opening of the outer cover 1. The relative fixation of the outer cover 1 on the end head 4 is achieved through the cooperation of the limiting rib 47 and the limiting ring groove 12, preventing the outer cover 1 from loosening from the pipe body 3 in a shaking environment to avoid leakage of the contents.

[0042] In some embodiments of the present utility model, the circumferential surface of the above-mentioned end head 4 and the inner wall of the discharge head 2 are respectively provided with matching external threads and internal threads to achieve threaded connection between the two.

[0043] In some embodiments of the present utility model, the above-mentioned limiting groove 11 and the limiting flange 22 respectively extend along the axial direction of the outer cover 1 and the discharge head 2.

[0044] See Figures 1-3 , which shows the first embodiment of the present utility model.

[0045] In the first embodiment, the above-mentioned end head 4 and the pipe body 3 are separate parts. A hollow connecting portion 31 is provided at the discharge end of the pipe body 3. The end head 4 is detachably installed on the connecting portion 31, and the discharge hole 41 is communicated with the connecting portion 31.

[0046] Furthermore, the detachable installation between the above-mentioned end head 4 and the connecting portion 31 is achieved through a threaded connection.

[0047] See Figures 4-6 , which shows the second embodiment of the present utility model. The main difference between the second embodiment and the first embodiment is that:

[0048] In the second embodiment, the above-mentioned end head 4 and the pipe body 3 are integral parts.

[0049] [[ID= (28)]]The above embodiments and drawings do not limit the product form and style of the present utility model. Any appropriate changes or modifications made by those of ordinary skill in the relevant technical field shall be regarded as not departing from the patent scope of the present utility model.

Claims

1. A discharging structure for a packaging container, characterized in that: Including outer cover, discharge head and tube body; The discharge end of the tube body is provided with an end head, and the end head is provided with a discharge hole; The discharge head is threadedly connected and rotatably sleeved on the end head, and is provided with a discharge pipe; the rotation of the discharge head drives its discharge pipe to move axially to achieve communication or disconnection between the discharge pipe and the discharge hole; The outer cover is sleeved on the discharge head to cover the discharge head and is engaged with the tube body; a limiting groove and a limiting flange are provided between the outer cover and the discharge head to achieve synchronous rotation.

2. The discharging structure of the packaging container according to claim 1, characterized in that: The end face of the end head facing the discharge head is provided with a plug-in groove, a sealing column is provided at the axial position of the plug-in groove, and the discharge hole is provided on the bottom wall of the plug-in groove and located on the side of the sealing column; the discharge head is provided with a plug-in tube matching the plug-in groove, the inner end of the plug-in tube is dynamically sealed with the side wall of the plug-in groove, the discharge pipe is provided in the plug-in tube and is coaxially provided with the sealing column; the inner end of the discharge pipe contacts or separates from the sealing column as the discharge head moves axially.

3. The discharging structure of the packaging container according to claim 2, characterized in that: It also includes an inner plug and a flocking sleeve; the inner plug is embedded in the outer end of the plug tube and is sleeved on the discharge pipe; the flocking sleeve is sleeved on the inner plug.

4. The discharging structure of the packaging container according to claim 1, characterized in that: The peripheral surface of the end head is provided with a step for the discharge head to abut against.

5. The discharging structure of the packaging container according to claim 4, characterized in that: The side wall of the step is provided with a first limit block and a second limit block, and the inner wall of the discharge head is provided with a movable block, and the movable block is movably engaged between the first limit block and the second limit block as the discharge head and the end head rotate relative to each other.

6. The discharging structure of the packaging container according to claim 1, characterized in that: The circumferential surface of the end head is provided with a limiting rib, and the inner wall of the opening of the outer cover is provided with a limiting ring groove for tight fit of the limiting rib.

7. The discharging structure of the packaging container according to claim 1, characterized in that: The limiting groove and the limiting flange extend along the axial directions of the outer cover and the discharge head respectively.

8. The discharging structure of the packaging container according to any one of claims 1 to 7, characterized in that: The end head and the tube body are separate parts, the discharge end of the tube body is provided with a hollow connecting portion, the end head is detachably mounted on the connecting portion, and the discharge hole is communicated with the connecting portion.

9. The discharging structure of the packaging container according to claim 8, characterized in that: The end head and the connecting portion are detachably mounted by threaded connection.

10. The discharging structure of the packaging container according to any one of claims 1 to 7, characterized in that: The end cap and the tube body are an integral piece.

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