Easy-open lid suitable for non-metal cans

Abstract

The utility model discloses an easy-open lid suitable for non-metallic cans, belonging to the technical field of easy-open lids, comprising a cover plate, a frame and a connecting assembly, wherein the frame is arranged at the peripheral edge of the cover plate, the frame is sleeved at the opening of the can body, a plurality of annularly distributed connecting holes are opened on the side wall of the can body, a plurality of annularly distributed cavities are opened inside the cover plate, the connecting assembly is arranged in the cavity, the connecting assembly comprises a spring and a connecting rod, the spring abuts in the cavity, the connecting rod abuts at one end of the spring, and the end of the connecting rod away from the spring passes through the inside of the frame; through the setting of the connecting assembly, when installing the easy-open lid, it is only necessary to sleeve the easy-open lid on the top of the can body, and when the sealing ring is tightened, the spring will push the connecting rod to be inserted into the connecting hole, thereby improving the connection strength between the easy-open lid and the can body, so that the easy-open lid and the can body are not easily separated.

Description

Technical Field

[0001] The utility model belongs to the technical field of easy-open covers, and in particular relates to an easy-open cover suitable for non-metallic cans. Background Art

[0002] Easy-pull lids, also known as easy-open lids, are lids with pull rings used to seal cans and are metal packaging products. They are mostly made of aluminum or tinplate and come in a variety of sizes, suitable for iron cans, aluminum cans, composite cans, PET plastic cans, and paper cans.

[0003] The existing Chinese patent with announcement number CN203486297U discloses an easy-open lid suitable for non-metallic cans, including a lid surface, a frame fixed to the lid surface, and a sealing ring. The sealing ring is located at the sealed connection between the frame and the outer surface of the can body. The sealing ring can be located at the junction of the frame and the outer edge of the opening of the can body. The sealing ring can be formed by solidifying a sealant injected on the inner surface of the frame.

[0004] With respect to the above-mentioned related technologies, the inventors found that there are at least the following problems in the technologies: since the paper can is relatively soft, the pull-open lid is directly put on the top of the paper can and fixed by friction, so that the connection strength between the pull-open lid and the paper can is low and they are easy to separate from each other after a collision. Utility Model Content

[0005] The purpose of the utility model is to provide an easy-open lid suitable for non-metallic cans to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an easy-open lid suitable for non-metallic cans, comprising a cover plate, a frame and a connecting assembly, wherein the frame is arranged at the peripheral edge of the cover plate, the frame is sleeved at the opening of the can body, a plurality of annularly distributed connecting holes are opened on the side wall of the can body, a plurality of annularly distributed cavities are opened inside the cover plate, and the connecting assembly is arranged in the cavity;

[0007] The connecting assembly comprises a spring and a connecting rod. The spring abuts in the cavity, the connecting rod abuts one end of the spring, and one end of the connecting rod away from the spring penetrates into the interior of the frame.

[0008] As a preferred implementation, a sealing plug is inserted into one side of the cover plate surface, and a pull ring is riveted on the top of the sealing plug.

[0009] As a preferred implementation, a sealing ring is embedded in the inner wall of the frame, and the sealing ring is pressed tightly between the frame and the tank body.

[0010] As a preferred embodiment, an annular groove is provided on the side wall of the can body, and the lower end of the frame is clamped in the annular groove.

[0011] As a preferred embodiment, one end of each connecting rod close to the spring is fixedly connected to a connecting rope, and one end of all the connecting ropes away from the connecting rod is commonly connected to a connecting ring.

[0012] As a preferred implementation, a receiving groove is provided at the center of the surface of the cover plate, and the connecting ring is embedded in the receiving groove.

[0013] As a preferred implementation, an arc-shaped groove is formed on the inner wall of the frame, and one end of the connecting rod is inserted into the arc-shaped groove.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The easy-open cover suitable for non-metallic cans has a connection component. When installing the easy-open cover, it only needs to be put on the top of the can body. When the sealing ring is pressed tightly, the spring pushes the connecting rod to be inserted into the connecting hole, thereby improving the connection strength between the easy-open cover and the can body, making it difficult for the easy-open cover and the can body to be separated.

[0016] The easy-open cover suitable for non-metallic cans is designed with a connecting rope and a connecting ring. When the can needs to be discarded, the connecting ring can be pulled to make the connecting ring pull the connecting rod through the connecting rope, and the connecting rod can be pulled out of the connecting hole to remove the easy-open cover, so that the easy-open cover can be reused. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 3 For this utility model Figure 2 A magnified view of the structure in the middle.

[0020] In the figure: 1. cover plate; 11. sealing plug; 12. pull ring; 13. receiving groove; 2. frame; 21. sealing ring; 22. arc groove; 3. connecting assembly; 31. spring; 32. connecting rod; 33. connecting rope; 34. connecting ring; 4. tank body; 41. connecting hole; 42. annular groove. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the embodiments.

[0022] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0023] See also Figure 1-3 The utility model provides an easy-open lid suitable for non-metallic cans, including a cover plate 1, a frame 2 and a connecting assembly 3. The frame 2 is arranged at the peripheral edge of the cover plate 1, and the frame 2 is sleeved on the opening of the can body 4. A sealing plug 11 is inserted on one side of the surface of the cover plate 1, and a pull ring 12 is riveted on the top of the sealing plug 11. Through the arrangement of the sealing plug 11 and the pull ring 12, when opening the cover, the pull ring 12 can be pulled out to pull out the sealing plug 11, and the items in the can body 4 can be poured out. When closing, the sealing plug 11 can be inserted into the cover plate 1 for sealing.

[0024] Specifically, a sealing ring 21 is embedded in the inner wall of the frame 2, and the sealing ring 21 is tightly pressed between the frame 2 and the tank body 4. A plurality of annularly distributed connecting holes 41 are provided on the side wall of the tank body 4. A plurality of annularly distributed cavities are provided inside the cover plate 1. The connecting component 3 is arranged in the cavity. The connecting component 3 includes a spring 31 and a connecting rod 32. The spring 31 is pressed in the cavity, the connecting rod 32 is pressed against one end of the spring 31, and the end of the connecting rod 32 away from the spring 31 passes through the frame 2. An arc groove 22 is provided on the inner wall of the frame 2, and one end of the connecting rod 32 is inserted into the arc groove 22. Through the setting of the connecting component 3, when installing the easy-open cover, it is only necessary to put the easy-open cover on the top of the tank body 4. When the sealing ring 21 is pressed tightly, the spring 31 will push the connecting rod 32 to be inserted into the connecting hole 41, thereby improving the connection strength between the easy-open cover and the tank body 4, making it difficult for the easy-open cover to be separated from the tank body 4.

[0025] Furthermore, an annular groove 42 is provided on the side wall of the can body 4 . Through the design of the annular groove 42 , when the frame 2 is fully engaged, the lower end of the frame 2 will be snapped into the annular groove 42 , thereby improving the stability of the frame 2 .

[0026] Reference Figure 1 and Figure 2 , one end of each connecting rod 32 close to the spring 31 is fixedly connected to a connecting rope 33, and the ends of all the connecting ropes 33 away from the connecting rod 32 are commonly connected to a connecting ring 34. Through the design of the connecting ropes 33 and the connecting rings 34, when the can body 4 needs to be discarded, the connecting ring 34 can be pulled so that the connecting ring 34 pulls the connecting rod 32 through the connecting rope 33, and the connecting rod 32 is pulled out of the connecting hole 41, and the easy-open cover can be removed, so that the easy-open cover can be reused.

[0027] In order to protect the connection ring 34 and reduce the impact on the connection ring 34 , a receiving groove 13 is opened at the center of the surface of the cover plate 1 , and the connection ring 34 is embedded in the receiving groove 13 .

[0028] The working principle and use process of the utility model are as follows: first, when installing the easy-open cover, it is only necessary to put the easy-open cover on the top of the can body 4. When the sealing ring 21 is tightened, the spring 31 will push the connecting rod 32 to be inserted into the connecting hole 41, thereby improving the connection strength between the easy-open cover and the can body 4, making it difficult for the easy-open cover to be separated from the can body 4; when the can body 4 needs to be discarded, the connecting ring 34 can be pulled, so that the connecting ring 34 pulls the connecting rod 32 through the connecting rope 33, and the connecting rod 32 is pulled out of the connecting hole 41, and the easy-open cover can be removed, so that the easy-open cover can be reused.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An easy-open lid for a non-metallic can, comprising a cover plate (1), a frame (2) and a connecting assembly (3), characterized in that: The frame (2) is arranged at the peripheral edge of the cover plate (1), the frame (2) is sleeved on the opening of the tank body (4), a plurality of annularly distributed connection holes (41) are provided on the side wall of the tank body (4), a plurality of annularly distributed cavities are provided inside the cover plate (1), and the connection assembly (3) is provided in the cavity; The connecting assembly (3) comprises a spring (31) and a connecting rod (32), wherein the spring (31) abuts in the cavity, the connecting rod (32) abuts against one end of the spring (31), and the end of the connecting rod (32) away from the spring (31) penetrates into the interior of the frame (2).

2. The easy-open lid for non-metallic cans according to claim 1, characterized in that: A sealing plug (11) is inserted into one side of the surface of the cover plate (1), and a pull ring (12) is riveted on the top of the sealing plug (11).

3. The easy-open lid for non-metallic cans according to claim 1, characterized in that: A sealing ring (21) is embedded in the inner wall of the frame (2), and the sealing ring (21) is tightly pressed between the frame (2) and the tank body (4).

4. The easy-open lid for non-metallic cans according to claim 1, characterized in that: An annular clamping groove (42) is provided on the side wall of the tank body (4), and the lower end of the frame (2) is clamped in the annular clamping groove (42).

5. The easy-open lid for non-metallic cans according to claim 1, characterized in that: One end of each connecting rod (32) close to the spring (31) is fixedly connected to a connecting rope (33), and one end of all the connecting ropes (33) away from the connecting rod (32) is commonly connected to a connecting ring (34).

6. The easy-open lid for non-metallic cans according to claim 5, characterized in that: A receiving groove (13) is provided at the center of the surface of the cover plate (1), and the connecting ring (34) is embedded in the receiving groove (13).

7. The easy-open lid for non-metallic cans according to claim 1, characterized in that: An arc-shaped groove (22) is provided on the inner wall of the frame (2), and one end of the connecting rod (32) is inserted into the arc-shaped groove (22).

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