JP3243548U - Control structure for tube discharge end cap - Google Patents

Abstract

A control structure for a tube discharge end cap is provided, which effectively prevents contents inside the tube from overflowing from the inside of the tube body when not in use, thereby improving the user's usability.
A body joint (20) is provided with a rotating member (50) and a closing member (30), and when the rotating member rotates with respect to the body joint, the closing member rotates and moves upward or downward, Downward movement of the closure member engages the discharge passageway with the plug, closing the discharge passageway, and upward movement of the closure member separates the discharge passageway from the plug, opening the discharge passageway. That is, the rotating member and the closing member are engaged with the body joint, so that the discharge passage can be closed when the tube 10 is not in use.
[Selection drawing] Fig. 1

Description

FIELD OF THE INVENTION The present invention relates to packaging tube structures, and more particularly to control structures for tube discharge end caps.

Tube-type packaging is lightweight and easy to use, and is widely used not only for food packaging, but also for packaging cosmetics, toothpaste, shoe oil, and other daily necessities.

An existing packaging tube has a tube body and a lid, and the lid is screwed to the tube body. Taking cosmetics as an example, when a user uses the product, it is necessary to turn the lid, remove it, and press the tube body to push out the milky lotion. After use, put the cover back into the tube body, put it in a bag and carry it so that it can be used at any time. Since the lid does not block the hole in the tube body, if the tube body is pushed by other objects in the bag or by an external force, the emulsion in the tube body will be pushed into the lid body, affecting the user's reuse experience. effect. In addition, the latex in the tube body overflows and contaminates other items in the bag, greatly affecting the user's experience.

The object of the present invention is to overcome the problems of the prior art, and to effectively prevent the contents of the tube from overflowing from the inside of the tube body when not in use, so as to improve the user's use experience. Another object of the present invention is to provide an end cap control structure.

To achieve the above objects, the present invention adopts the following technical solutions.
A control structure for a tube discharge end cap comprising a main body joint integrated with a tube main body and a cover engaged with the main body joint, wherein the main body joint is connected in order from top to bottom. A first connection, a second connection and a third connection are provided, the diameter of the first connection being smaller than the diameter of the second connection and the diameter of the second connection being smaller than the diameter of the third connection. , a discharge portion integrally molded with the first connection portion is provided inside the first connection portion, and the discharge portion is provided with a first discharge hole. is the plug formed,
The lid body is inserted outside the main body joint and engages with the main body joint at the position of the third connecting portion, the main body joint is also engaged with a closing member and a rotating member, and the closing member is , the closing member is screwed into the body joint at the position of the first connecting portion, a discharge passage is formed in the closing member, and the rotary member is rotatable out of the body joint. The rotary member is engaged with a functional head, the lower part of which is inserted into the rotary member and the upper part is outside the rotary member. the lower part of the functional head is provided with a receiving hole in which the upper part of the closing member is inserted; the upper part of the functional head is provided with a second discharge hole; is keyed to the closing member. When the rotary member rotates with respect to the body joint, the closing member rotates and moves upward or downward. Upon mating, the discharge passage is closed and the closing member moves upward, separating the discharge passage from the plug and opening the discharge passage.

An axially extending key is provided in the interior of the rotating member, and an axially extending keyway is provided in the closure member, the key engaging the keyway to close the rotating member. and a keyed connection with the closure member.

A protrusion is provided on the inner side of the lower portion of the closure member, and accordingly, the protrusion is located near the second connection portion of the first connection portion of the body joint when the discharge passage is closed. A locking groove is provided for locking.

A first flange is formed on the outside of the lower part of the functional head, and a positioning step is provided on the inside of the upper part of the rotating member, and the first flange is pressed against the lower end surface of the step of positioning.

The rotating member is provided with an instruction mark, and the third connecting portion or the tube body is provided with an open mark and a closed mark, and when the instruction mark indicates the open mark 2, the discharge passage is opened. , when the indicator indicates the closed indicator, the discharge passage is closed.

The plug is provided at an intermediate position of the discharge section, the number of the first discharge holes is plural, and the plurality of first discharge holes are evenly distributed in the discharge section.

An annular groove is provided in the second connecting portion, and a second flange is provided on the lower inner surface of the rotating member, and the second flange is provided in the annular groove.

If the above proposal is adopted, when it is necessary to use the internal contents of the tube body, the user opens the lid and rotates the rotating member so that the indication mark attached to the rotating member indicates the open mark. Simply, while the rotary member is rotating, the closure member is rotated and moved upwardly to separate the discharge passage from the plug. At this time, when the tube body is pressed, the contents contained in the tube body enter the discharge passage through the first discharge hole, and are then discharged from the second discharge hole. After use, the user can rotate the rotator in the opposite direction so that the indicator attached to the rotator points to the closed indicator, and then close the lid. While the rotating member rotates, the closure member is rotated downwardly to engage the discharge passageway with the plug, closing the discharge passageway and removing the tube contents from within the tube body in a non-use condition. Overflowing is effectively avoided, enhancing user's feeling of use.

Thus, in the present invention, when the rotating member rotates with respect to the main body joint, the closing member rotates and moves upward or downward, and the closing member moves downward and the discharge passage engages the plug to discharge. The body coupling is provided with a closure member which closes the passageway and opens the discharge passageway when the closure member moves upward to separate the discharge passageway from the plug. That is, the present invention can close the discharge passage when the tube is not in use by engaging the rotary and the closing member with the body joint. To effectively avoid this and improve user's usability.

FIG. 1 is a structural exploded view 1 of Example 1; FIG. 2 is a structural exploded view 2 of Example 1; FIG. 3 is a cross-sectional view (without lid) in an exploded state of Example 1; FIG. 4 is a schematic diagram (without a lid) in the open state of the discharge passage of Example 1; FIG. 5 is a cross-sectional view of the discharge passage of Example 1 in an open state; FIG. 6 is a schematic diagram (without lid) in the closed state of the discharge passage of Example 1; FIG. 7 is a cross-sectional view of the discharge passage of Example 1 in a closed state; FIG. 8 is a plan view of the tube body of Example 1; FIG. 9 is a structural exploded view 1 of Example 2; FIG. 10 is a structural exploded view 2 of Example 2; FIG. 11 is a cross-sectional view (without lid) in an exploded state of Example 2; FIG. 12 is a schematic diagram (without a lid) in the open state of the discharge passage of Example 2; FIG. 13 is a cross-sectional view of the discharge passage in the open state of Example 2; FIG. 14 is a schematic diagram (without a lid) in the closed state of the discharge passage of Example 2; FIG. 15 is a cross-sectional view of the discharge passage of Example 2 in a closed state; 16 is a plan view of the tube main body of Example 2. FIG.

Example 1
As shown in FIGS. 1 to 4, this embodiment shows a control structure for a tube discharge end cap comprising a body joint 20 integrally formed with a tube body 10 and a lid body 60 engaged with the body joint 20. there is

The body joint 20 is provided with a first connection portion 21, a second connection portion 22, and a third connection portion 23 that are connected in order from top to bottom, and the diameter of the first connection portion 21 is the diameter of the second connection portion. It is smaller than the diameter of the portion 22 , and the diameter of the second connection portion 22 is smaller than the diameter of the third connection portion 23 . A discharge portion 24 integrally molded with the first connection portion 21 is provided inside the first connection portion 21, and the discharge portion 24 is provided with a first discharge hole 241. A plug 242 is formed on the upper end surface of 24 . The lid body 60 is inserted outside the body joint 20 and engages with the body joint 20 at the position of the third connecting portion 23 .

A closure member 30 and a rotation member 50 are also engaged with the body joint 20 . Here, the closing member 30 is screwed to the main body joint 20 at the position of the first connecting portion 21 , and a discharge passage 31 is formed in the closing member 30 so as to vertically penetrate the closing member 30 . The rotating member 50 is rotatably inserted outside the body joint 20 and engages with the body joint 20 at the position of the second connecting portion 22 . A functional head 40 is engaged with the rotating member 50 , the lower part of the functional head 40 being inserted into the rotating member 50 and the upper part being located outside the rotating member 50 . The functional head 40 has a receiving hole 41 in which the upper part of the closing member 30 is inserted, and a second discharge hole 42 in the upper part of the functional head 40 .

The lower portion of the rotating member 50 is keyed to the closing member 30. When the rotating member 50 rotates with respect to the main body joint 20, the closing member 30 rotates and moves upward or downward. When the closing member 30 moves downward, the discharge passage 31 is engaged with the plug 242 and the discharge passage 31 is closed. Specifically, a key 51 is provided in the axial direction inside the rotating member 50, and a key groove 32 is provided in the closing member 30 in the axial direction. engages the keyway 32 to provide a keyed connection between the rotating member 50 and the closure member 30 .

In this embodiment, a protrusion 33 is provided on the inner side of the lower portion of the closing member 30, and accordingly, a discharge passage 31 is provided at a position near the second connection portion 22 of the first connection portion 21 of the body joint 20. A locking groove 211 is provided in which the projection 33 is locked when the door is closed. The engagement between the protrusion 33 and the locking groove 211 increases the connection resistance between the closing member 30 and the main body joint 20, and prevents the closed passage from being easily opened even if foreign matter hits the rotating member 50. FIG.

In this embodiment, the upper portion of the functional head 40 is an arc structure. This structure is used for emulsion application and the like. In order to ensure connection stability between the functional head 40 and the rotating member 50, a first flange 43 is formed on the outer lower portion of the functional head 40, and a positioning step portion 52 is provided on the inner upper portion of the rotating member 50. The first flange 43 is pressed against the lower end surface of the positioning stepped portion 52 . Similarly, in order to improve the stability and appearance of the rotating member 50 and the main body joint 20, the second connecting portion 22 is provided with an annular groove 221, and the lower inner surface of the rotating member 50 is provided with an annular groove. A second flange 53 provided in the groove 221 is provided. The rotation member 50 and the main body joint 20 do not have a gap during rotation, and the overall appearance and appearance of the product can be improved.
The rotation member 50 of this embodiment is provided with an instruction mark 54 for the convenience of the user, and the third connecting portion 23 or the tube main body 10 is provided with an open mark 231 and a closed mark 232. When the indicator 54 points to the open indicator 231, the discharge passage 31 is open, and when the indicator 54 points to the closed indicator 232, the discharge passage 31 is closed.

Further, the plug 242 of this embodiment is provided at an intermediate position of the discharge portion 24, and the first discharge hole 241 is arcuate, so that a large flow rate can be discharged when the discharge passage 31 is opened.
As shown in FIG. 5-6, when it is necessary to use the internal contents of the tube body 10, the user opens the lid 60, and the instruction mark 54 attached to the rotating member 50 points to the open mark 231. while the rotating member 50 is rotating, the closing member 30 is rotated and moved upwards so that the discharge passage 31 is separated from the plug 242 . At this time, when the tube main body 10 is pressed, the contents contained in the tube main body 10 enter the discharge passage 31 through the first discharge hole 241 and then are discharged from the second discharge hole 42 .

After use, as shown in FIGS. 7-8, the user rotates the rotating member 50 in the opposite direction so that the indicator 54 on the rotating member 50 points to the closed indicator 232, and then The lid body 60 should be closed. While the rotary member 50 is rotating, the closure member 30 is rotated and moved downwardly so that the discharge passageway 31 engages the plug 242 to close the discharge passageway 31 and remove the tube contents in the unused state. The overflow from the inside of the main body 10 is effectively avoided, and the usability of the user is improved. At the same time, the projection 33 of the closing member 30 is engaged with the locking groove 211, the connection resistance between the closing member 30 and the main body joint 20 increases, and even if the rotating member 50 is struck by a foreign object, the closed passage is not easily opened. , the outflow of the contents in the tube is more effectively prevented.

Example 2
As shown in FIGS. 9 to 16, this embodiment has basically the same configuration as that of the first embodiment, so the description of the same configuration will be omitted.

Unlike the first embodiment, the upper part of the functional head 40 of this embodiment has a tapered structure, and the tube with this structure can be used for eyeliner, lip lining, or other similar functional applications. Of course, the shape of the functional head of the present invention is not limited to the shapes of the first and second embodiments, and the manufacturer can adjust the specific shape of the functional head according to the specific product application in the actual production process. can be done.

In this embodiment, the first discharge holes 241 are provided as a plurality of circular holes, which are uniformly distributed on the discharge portion 24. When the tube main body 10 is pressed, the discharge amount of the contents inside the tube is compared. It is small in size and relatively uniform in ejection volume.

As described above, the important point of the present invention is that the body joint 20 is provided with the rotating member 50 and the closing member 30, and when the rotating member 50 rotates with respect to the body joint 20, the closing member moves accordingly. 30 rotates and moves upward or downward, and when the closing member 30 moves downward, the discharge passage 31 engages with the plug 242 to close the discharge passage 31, and when the closing member 30 moves upward, the discharge passage 31 is separated from the plug 242 and the discharge passage 31 is opened. In other words, according to the present invention, the rotation member 50 and the closing member 30 are engaged with the main body joint 20 so that the discharge passage 31 can be closed when the tube is not in use, and the tube contents can be closed when the tube contents are in the non-use state. It is possible to effectively avoid overflowing from within 10 and improve user's usability.

The embodiments of the present invention are described above, but the technical scope of the present invention is not limited in any way. All equivalent changes and modifications are within the technical scope of the present invention.

first connecting portion 21; locking groove 211; second connecting portion 22; annular concave groove 221; third connecting portion 23; plug 242; closure member 30; discharge passage 31; keyway 32; projection 33; functional head 40; second flange 53; indicator 54; lid 60;

Claims (7)

A control structure for a tube discharge end cap comprising a body joint integrated with a tube body and a lid engaged with the body joint,
The body joint is provided with a first connection portion, a second connection portion, and a third connection portion that are connected in order from top to bottom, and the diameter of the first connection portion is larger than the diameter of the second connection portion. The diameter of the second connection portion is smaller than that of the third connection portion, and a discharge portion integrally molded with the first connection portion is provided inside the first connection portion. A first discharge hole is provided, and a plug is formed on the upper end surface of the discharge part,
The lid body is inserted outside the main body joint and engages with the main body joint at the position of the third connecting portion, the main body joint is also engaged with a closing member and a rotating member, and the closing member is , the closing member is screwed into the body joint at the position of the first connecting portion, a discharge passage is formed in the closing member, and the rotary member is rotatable out of the body joint. The rotary member is engaged with a functional head, the lower part of which is inserted into the rotary member and the upper part is outside the rotary member. the lower part of the functional head is provided with a receiving hole in which the upper part of the closing member is inserted; the upper part of the functional head is provided with a second discharge hole; is keyed to the closing member. When the rotary member rotates with respect to the body joint, the closing member rotates and moves upward or downward. A control structure for a tube discharge end cap, wherein the discharge passage is closed when said closure member is moved upwardly to separate the discharge passage from the plug and to open the discharge passage. An axially extending key is provided in the interior of the rotating member, and an axially extending keyway is provided in the closure member, the key engaging the keyway to close the rotating member. 2. A control structure for a tube discharge end cap according to claim 1, wherein a keyed connection between the and closure member is realized. A protrusion is provided on the inner side of the lower portion of the closure member, and accordingly, the protrusion is located near the second connection portion of the first connection portion of the body joint when the discharge passage is closed. 2. A control structure for a tube discharge end cap according to claim 1, further comprising a locking groove for locking. A first flange is formed on the outside of the lower portion of the functional head, a stepped portion for positioning is provided on the inside of the upper portion of the rotary member, and the first flange is pressed against the lower end surface of the stepped portion for positioning. 2. The tube discharge end cap control structure of claim 1. The rotating member is provided with an instruction mark, and the third connecting portion or the tube body is provided with an open mark and a closed mark, and when the instruction mark indicates the open mark 2, the discharge passage is opened. 2. A control structure for a tube discharge end cap according to claim 1, wherein the discharge passageway is closed when the indicator indicates the closed indicator. 3. The plug is provided at an intermediate position of the discharge section, the number of the first discharge holes is plural, and the plurality of first discharge holes are evenly distributed in the discharge section. 2. The tube discharge end cap control structure of claim 1. 2. The second connecting portion is provided with an annular groove, and the lower inner surface of the rotary member is provided with a second flange, and the second flange is provided in the annular groove. 2. The tube discharge end cap control structure of claim 1.

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