Pull tab bonding type easy-to-tear cover

Abstract

The utility model discloses a pull tab bonding type easy-to-tear cover, and aims to solve the technical problem that the design of a pull tab bonding type easy-to-tear cover in the prior art has limitation, that is, the pull tab bonding type easy-to-tear cover can only be directly mounted on a specific cylindrical container as an integral structure. The easy-to-tear cover comprises an easy-to-tear cover body, a sealing piece and a pull piece, the surface of the easy-to-tear cover body is connected with the sealing piece, the surface of the sealing piece is connected with the pull piece, the lower surface of the easy-to-tear cover body is connected with an external thread cylinder, the outer surface of the external thread cylinder is connected with a limiting ring, and the outer surface of the external thread cylinder is connected with a first sealing ring; the outer surface of the outer threaded cylinder is sleeved with a threaded sleeve. According to the easy-to-tear cover, the outer threaded cylinder is inserted into the cylinder body to rotate the threaded sleeve, the threaded sleeve can move downwards and extrude the first sealing ring when rotating on the surface of the outer threaded cylinder, the first sealing ring is extruded to deform towards the outer side, and the first sealing ring can be sealed with the cylinder body when being extruded to the cylinder wall; therefore, the easy-to-tear cover can be mounted on the surface of the barrel.

Description

TECHNICAL FIELD

[0001] The utility model belongs to easy -to -tear cover technical field, concretely relates to a pull -tab adhesive easy -to -tear cover. BACKGROUND

[0002] The pull -tab adhesive easy -to -tear cover is a structure widely used in the technical field of packaging products, especially in the can type packaging of milk powder, seasoning, tea and the like. The working principle of the pull -tab adhesive easy -to -tear cover mainly depends on the adhesive effect of adhesive and the traction of pull -tab. In the sealed state, the sealing cover is tightly adhered to the opening part of the ring cover by adhesive, forming a closed container mouth. When the user needs to open the container, just pull the pull -tab, and the sealing cover can be torn from the ring cover by traction, thereby opening the container mouth.

[0003] The existing easy -to -tear cover has the following problems in the process of using:

[0004] The current pull -tab adhesive easy -to -tear cover design has limitations, that is, they can usually only be installed as a whole structure on a specific cylindrical container, lacking flexible and variable mounting structures or adaptation mechanisms. This integrated installation means that once the easy -to -tear cover is designed and produced, its size and shape are often fixed corresponding to a certain type of cylindrical container, and it cannot be easily adapted or transferred to other cylindrical objects. SUMMARY

[0005] (1) Technical problem to be solved

[0006] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a pull -tab adhesive easy -to -tear cover, which is designed to solve the technical problem of the pull -tab adhesive easy -to -tear cover design in the prior art, that is, they can usually only be installed as a whole structure on a specific cylindrical container, lacking flexible and variable mounting structures or adaptation mechanisms. This integrated installation means that once the easy -to -tear cover is designed and produced, its size and shape are often fixed corresponding to a certain type of cylindrical container, and it cannot be easily adapted or transferred to other cylindrical objects.

[0007] (2) Technical scheme

[0008] In order to solve the above technical problems, the utility model provides a pull -tab adhesive easy -to -tear cover, which comprises an easy -to -tear cover body, a sealing sheet and a pull -tab, the surface of the easy -to -tear cover body is connected with the sealing sheet, the surface of the sealing sheet is connected with the pull -tab, the lower surface of the easy -to -tear cover body is connected with an external thread cylinder, the outer surface of the external thread cylinder is connected with a limit ring, the outer surface of the external thread cylinder is connected with a first sealing ring, and the outer surface of the external thread cylinder is sleeved with a threaded sleeve.

[0009] When the easy-to-tear cover is used, the easy-to-tear cover body drives the outer threaded cylinder to be inserted into the inside of the cylinder body, and then the threaded sleeve is rotated, the threaded sleeve can move downward when rotating on the surface of the outer threaded cylinder, the first sealing ring can be deformed outward when being extruded by the threaded sleeve moving downward, the first sealing ring can be sealed with the cylinder body when being extruded to the cylinder wall, so that the easy-to-tear cover can be installed on the surface of the cylinder body, and the easy-to-tear cover can be easily adapted or transferred to other cylindrical objects.

[0010] Preferably, the easy-to-tear cover body, the outer threaded cylinder and the limiting ring are an integral structure, the first sealing ring is made of rubber material, and the first sealing ring can be deformed outward when being extruded.

[0011] Further, the outer threaded cylinder and the threaded sleeve are in threaded connection, the threaded sleeve can move downward through the threaded connection when rotating on the surface of the outer threaded cylinder, and the first sealing ring can be extruded by the threaded sleeve moving downward.

[0012] Further, the surface of the easy-to-tear cover body is provided with a rotating shaft, the surface of the rotating shaft is connected with a closing cover, the upper surface of the closing cover is connected with a pulling piece, and the side surface of the closing cover is connected with a second sealing ring.

[0013] Further, the closing cover and the easy-to-tear cover body form a rotating structure through the rotating shaft, the pulling piece can drive the closing cover to rotate around the center axis of the rotating shaft when being pulled, so that the object in the cylinder can be taken out.

[0014] Further, the pulling piece and the closing cover are an integral structure, the second sealing ring is made of rubber material, and the closing cover can drive the second sealing ring to move to the inside of the opening of the easy-to-tear cover body, so that the second sealing ring can be sealed.

[0015] (5) Beneficial effects

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1. Firstly, the outer threaded cylinder is inserted into the inside of the cylinder body, then the threaded sleeve is rotated, the threaded sleeve can move downward through the threaded connection when rotating on the surface of the outer threaded cylinder, the first sealing ring can be extruded by the threaded sleeve moving downward, the first sealing ring can be deformed outward when being extruded, the first sealing ring can be sealed with the cylinder body when being extruded to the cylinder wall, so that the easy-to-tear cover can be installed on the surface of the cylinder body, and the easy-to-tear cover can be easily adapted or transferred to other cylindrical objects, and the flexibility and applicability of the easy-to-tear cover are improved.

[0018] 2. When the closing cover drives the second sealing ring to move to the inside of the opening of the easy-to-tear cover body, the second sealing ring can be sealed, so that the sealing effect in the cylinder can be maintained after the sealing piece is torn off. Attached Figure Description

[0019] Figure 1 This is a front view structural diagram of a specific embodiment of the device of this utility model;

[0020] Figure 2 This is a side view of a specific embodiment of the device of this utility model;

[0021] Figure 3 This is a cross-sectional structural schematic diagram of a specific embodiment of the device of this utility model;

[0022] Figure 4 An exploded view of the threaded sleeve connection structure of one specific embodiment of the device of this utility model;

[0023] Figure 5 This is a schematic diagram of the internal structure of one specific embodiment of the device of this utility model;

[0024] Figure 6 An exploded view of the closed cover connection structure of one specific embodiment of the device of this utility model;

[0025] Figure 7 This is one specific embodiment of the device of this utility model. Figure 3 Schematic diagram of the structure at point A in the middle.

[0026] The markings in the attached diagram are as follows: 1. Easy-tear cap body; 2. Sealing sheet; 3. Pull tab; 4. External threaded cylinder; 5. Limiting ring; 6. First sealing ring; 7. Threaded sleeve; 8. Rotating shaft; 9. Sealing cap; 10. Paddle; 11. Second sealing ring. Detailed Implementation

[0027] This specific embodiment is a pull-tab adhesive easy-tear cap, the structural diagram of which is shown below. Figures 1-7 As shown, the easy-tear cap includes an easy-tear cap body 1, a sealing sheet 2, and a pull tab 3. The sealing sheet 2 is connected to the surface of the easy-tear cap body 1, and the pull tab 3 is connected to the surface of the sealing sheet 2. An external threaded cylinder 4 is connected to the lower surface of the easy-tear cap body 1. A limit ring 5 is connected to the outer surface of the external threaded cylinder 4. A first sealing ring 6 is connected to the outer surface of the external threaded cylinder 4. A threaded sleeve 7 is fitted onto the outer surface of the external threaded cylinder 4.

[0028] The easy-tear cap body 1, the external threaded cylinder 4 and the limiting ring 5 are integrated into one structure. The first sealing ring 6 is made of rubber, and the external threaded cylinder 4 and the threaded sleeve 7 are connected by threads.

[0029] In addition, the surface of the easy-to-tear cover body 1 is provided with a rotating shaft 8, the surface of the rotating shaft 8 is connected with a closing cover 9, the upper surface of the closing cover 9 is connected with a pulling piece 10, the side surface of the closing cover 9 is connected with a second sealing ring 11, the closing cover 9 and the easy-to-tear cover body 1 form a rotating structure through the rotating shaft 8, the pulling piece 10 and the closing cover 9 are in an integrated structure, and the second sealing ring 11 is made of rubber.

[0030] Working principle: when the device is used, the outer threaded cylinder 4 is inserted into the inside of the cylinder body when the easy-to-tear cover is installed, then the threaded sleeve 7 can be rotated, the threaded sleeve 7 can be moved downward through the threaded connection relationship when the surface of the outer threaded cylinder 4 is rotated, the first sealing ring 6 can be extruded when the threaded sleeve 7 is moved downward, the first sealing ring 6 can be deformed outwardly when extruded, and the first sealing ring 6 can be sealed with the cylinder wall when extruded to the cylinder wall, so that the easy-to-tear cover can be installed on the surface of the cylinder body.

[0031] The sealing piece 2 can be torn off through the pulling piece 3, then the pulling piece 10 can be pulled, the pulling piece 10 can drive the closing cover 9 to rotate around the center axis of the rotating shaft 8 as the center, when the closing cover 9 drives the second sealing ring 11 to move to the outside of the opening of the easy-to-tear cover body 1, the object in the cylinder can be taken out at this time, after the object is taken out, the closing cover 9 can be rotated to the opening of the easy-to-tear cover body 1, the closing cover 9 drives the second sealing ring 11 to move to the surface of the easy-to-tear cover body 1, at this time, the second sealing ring 11 is extruded and deformed, when the closing cover 9 drives the second sealing ring 11 to move to the inside of the opening of the easy-to-tear cover body 1, the second sealing ring 11 can be sealed.

[0032] All the technical features in the embodiment can be freely combined according to actual needs.

[0033] The above embodiment is a preferred implementation scheme of the utility model, in addition to this, the utility model can be realized in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.

Claims

1. A pull-tab adhesive tear-off lid comprising a tear-off lid body (1), a sealing tab (2) and a pull-tab (3), characterized in that, The surface of the easy-to-tear cover body (1) is connected with a sealing sheet (2), the surface of the sealing sheet (2) is connected with a pull sheet (3), the lower surface of the easy-to-tear cover body (1) is connected with an external thread cylinder (4), the outer surface of the external thread cylinder (4) is connected with a limiting ring (5), the outer surface of the external thread cylinder (4) is connected with a first sealing ring (6), and the outer surface of the external thread cylinder (4) is sleeved with a threaded sleeve (7).

2. A pull-tab adhesive tear band closure according to claim 1, wherein, The easy-to-tear cover body (1), the external thread cylinder (4) and the limiting ring (5) are an integral structure.

3. A pull-tab adhesive tear band closure according to claim 2, wherein, The first sealing ring (6) is made of rubber.

4. A pull-tab adhesive tear band closure according to claim 3, wherein, The external thread cylinder (4) and the threaded sleeve (7) are screw-connected.

5. A pull-tab adhesive tear band closure according to claim 1 wherein, The surface of the easy-to-tear cover body (1) is provided with a rotating shaft (8), the surface of the rotating shaft (8) is connected with a closing cover (9), the upper surface of the closing cover (9) is connected with a pulling sheet (10), and the side surface of the closing cover (9) is connected with a second sealing ring (11).

6. A pull-tab adhesive tear band closure according to claim 5 wherein, The closing cover (9) and the easy-to-tear cover body (1) constitute a rotating structure through the rotating shaft (8).

7. A pull-tab adhesive tear band closure according to claim 6 wherein, The pulling sheet (10) and the closing cover (9) are an integral structure, and the second sealing ring (11) is made of rubber.

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