Barrel cover with ventilation and moisture-proof functions

Abstract

The utility model relates to the technical field of chemical containers, in particular to a barrel cover with ventilation and moisture-proof functions. Comprising a cover body, a cover ring is arranged on the cover body, threads are arranged on the inner side wall of the cover ring, a plurality of air holes are formed in the cover body, a moisture-proof terminal is arranged on the lower end face of the cover body, and the moisture-proof terminal and the air holes are arranged in a matched mode. The chemical barrel cover is reasonable in structure, the cover body is connected to the barrel opening of the chemical barrel through the cover ring in a threaded mode, the ventilation holes in the cover body can be communicated with an inner cavity of the chemical barrel through the moisture-proof terminals, so that internal pressure can be discharged, the moisture-proof terminals are breathable but waterproof, liquid leakage can be prevented, and using is safer and more reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical container technical field, specifically point to a kind of bucket cover with ventilation and moisture-proof function. BACKGROUND

[0002] Plastic drum has not fragile, not rust, light quality and so on, and because of the oil resistance, corrosion resistance characteristics of plastic material, so it is used for the packaging of chemical products. Plastic drum is mainly composed of barrel body and barrel cover, barrel body and barrel cover are installed by thread connection. Usually, the barrel mouth of the barrel body is as a male end, and the barrel cover is as a female end and is connected by threads.

[0003] As disclosed in Chinese patent CN220164740U, a plastic drum includes a barrel body and a barrel cover. The barrel cover is arranged on the barrel body, and the barrel body is provided with external threads. The barrel cover is provided with internal threads. The barrel body and the barrel cover are connected by the cooperation of the external threads and the internal threads. During transportation and storage of chemical products, changes in external environmental pressure and temperature can cause changes in the pressure inside the barrel. Since chemical products are high-risk products, excessive pressure can cause the lid to be blown off, leading to serious accidents.

[0004] Therefore, the prior art still needs to be improved and developed. INVENTION CONTENTS

[0005] The utility model aims at the defects and deficiencies of prior art, and provides a barrel cover with ventilation and moisture-proof function, which is reasonable in structure, explosion-proof, theft-proof and safe and reliable.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The barrel cover with ventilation and moisture-proof function comprises a cover body, a cover ring arranged on the cover body, threads arranged on the inner side wall of the cover ring, a plurality of ventilation holes arranged on the cover body, a moisture-proof terminal arranged on the lower end surface of the cover body, and the moisture-proof terminal is arranged in pairs with the plurality of ventilation holes.

[0008] According to the above scheme, an end seat is arranged in the cover body, the upper end of the end seat is fixedly connected with the cover body, the lower end of the end seat is arranged as an opening, and the plurality of ventilation holes are arranged in pairs with the end seat.

[0009] According to the above scheme, threads are arranged on the inner side wall of the end seat, and threads are arranged on the outer side wall of the moisture-proof terminal. The upper end of the moisture-proof terminal is threadedly connected with the lower end of the end seat.

[0010] According to the above scheme, a waterproof and breathable membrane is arranged in the moisture-proof terminal.

[0011] According to the above scheme, a grid layer is arranged in the moisture-proof terminal, and the waterproof and breathable membrane is fixed on the grid layer.

[0012] According to the above scheme, the splash-proof baffle is connected to the lower end of the moisture-proof terminal through a hollow part.

[0013] According to the above scheme, the lower end of the cover ring is provided with an anti-theft ring, and the inner side wall of the anti-theft ring is provided with a plurality of anti-reverse teeth.

[0014] The utility model has the advantages that: the utility model has reasonable structure, the cover body is connected on the barrel mouth of the chemical barrel through the cover ring, a plurality of air holes on the cover body can be communicated with the inner cavity of the chemical barrel through the moisture-proof terminal, so that the internal pressure can be discharged, the moisture-proof terminal can be ventilated but not water, and can prevent liquid from leaking, and is safer and more reliable to use. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is the overall structure schematic diagram of the utility model;

[0016] Fig. 2 is the moisture-proof terminal cross section structure schematic diagram of the utility model.

[0017] In the drawing:

[0018] 1, cover body;2, moisture-proof terminal;10, cover ring;11, air hole;12, end seat;13, anti-theft ring;14, anti-reverse tooth;21, water-proof and air-permeable membrane;22, grid layer;23, splash-proof baffle;24, hollow part. DETAILED DESCRIPTION

[0019] The technical scheme of the utility model will be described below in combination with the drawings and embodiments.

[0020] As Figs. 1-2 shown, the utility model discloses a barrel cover with air-permeable and moisture-proof functions, including cover body 1, be equipped with cover ring 10 on the cover body 1, be equipped with screw thread on the inner side wall of cover ring 10, be equipped with a plurality of air holes 11 on the cover body 1, be equipped with moisture-proof terminal 2 on the lower end surface of cover body 1, and moisture-proof terminal 2 is arranged in pairs with a plurality of air holes 11.The cover body 1 is connected with the chemical barrel through the internal screw thread on the cover ring 10 to close its barrel mouth, further, the plurality of air holes 11 make the air pressure balance between the inside of the chemical barrel and the outside, prevent the chemical barrel from appearing pressure deformation and other problems.Especially, the air hole 11 is configured with moisture-proof terminal 2, and the moisture-proof terminal 2 can prevent the liquid in the chemical barrel from flowing out under the premise of ensuring air permeability.

[0021] Specifically, the cover 1 is provided with an end seat 12, the upper end of the end seat 12 is fixedly connected with the cover 1, the lower end of the end seat 12 is provided with an opening, and a plurality of air holes 11 are arranged in pairs with the end seat 12. The plurality of air holes 11 are arranged in the range of the end seat 12, so that the air pressure of the chemical barrel and the outside needs to pass through the air holes 11 and the moisture-proof terminal 2.

[0022] The inner side wall of the end seat 12 is provided with a thread, the outer side wall of the moisture-proof terminal 2 is provided with a thread, and the upper end of the moisture-proof terminal 2 is threadedly connected with the lower end of the end seat 12. The moisture-proof terminal 2 is connected with the end seat 12 through threads, and assembly is more convenient.

[0023] It can be understood that the moisture-proof terminal 2 is provided with a waterproof and breathable film 21, the waterproof and breathable film 21 is prior art, and the waterproof and breathable film 21 is used for preventing liquid in the chemical barrel from flowing out, and of course, can also prevent external water vapor from entering the chemical barrel.

[0024] The moisture-proof terminal 2 is provided with a grid layer 22, the waterproof and breathable film 21 is fixed on the grid layer 22, the grid layer 22 has a plurality of through holes to ensure the flow path of air, and the grid layer 22 can facilitate installation of the waterproof and breathable film 21.

[0025] Preferably, the utility model also includes a splash baffle 23, the splash baffle 23 is connected with the lower end of the moisture-proof terminal 2 through a hollow part 24. The splash baffle 23 is arranged below the lower end of the moisture-proof terminal 2, the splash baffle 23 is arranged at intervals with the moisture-proof terminal 2, and the two are connected through the hollow part 24, so that liquid splashed in the chemical barrel is prevented from rushing into the moisture-proof terminal 2, and the service life of the waterproof and breathable film 21 is improved.

[0026] The lower end of the cover ring 10 is provided with an anti-theft ring 13, and the inner side wall of the anti-theft ring 13 is provided with a plurality of reverse teeth 14. It can be understood that the barrel opening of the chemical barrel is also provided with meshing teeth, when the anti-theft ring 13 rotates clockwise, the plurality of reverse teeth 14 can slide through the meshing teeth, when the barrel cover is screwed, the reverse teeth 14 are connected with the meshing teeth on the barrel opening, so as to limit the reverse rotation of the barrel cover and prevent the barrel cover from loosening.

[0027] The above only is the preferred implementation of the utility model, therefore, the equivalent change or modification of the structure, feature and principle that is described in the utility model patent application range is included in the utility model patent application range.

Claims

1. A bucket lid with breathable and moisture-proof function, comprising a lid body (1), wherein a lid ring (10) is provided on the lid body (1), and the inner side wall of the lid ring (10) is provided with threads, characterized in that: The cover (1) is provided with a plurality of air holes (11), and the lower end surface of the cover (1) is provided with a moisture-proof terminal (2), which is arranged in pairs with the plurality of air holes (11); The moisture-proof terminal (2) is provided with a waterproof and breathable film (21) inside; The moisture-proof terminal (2) is provided with a grid layer (22) inside, and the waterproof and breathable film (21) is fixed on the grid layer (22).

2. The bucket cover with air-permeable and moisture-proof functions according to claim 1, characterized in that: The cover (1) is provided with a terminal seat (12), the upper end of the terminal seat (12) is fixedly connected with the cover (1), the lower end of the terminal seat (12) is provided with an opening, and the plurality of air holes (11) are arranged in pairs with the terminal seat (12).

3. The bucket cover with air-permeable and moisture-proof functions according to claim 2, characterized in that: The inner side wall of the terminal seat (12) is provided with a thread, the outer side wall of the moisture-proof terminal (2) is provided with a thread, and the upper end of the moisture-proof terminal (2) is threadedly connected with the lower end of the terminal seat (12).

4. The bucket cover with air-permeable and moisture-proof functions according to claim 1, characterized in that: It also includes a splash baffle (23), which is connected to the lower end of the moisture-proof terminal (2) through a hollow part (24).

5. The bucket cover with air-permeable and moisture-proof functions according to claim 1, characterized in that: The lower end of the cover ring (10) is provided with an anti-theft ring (13), and the inner side wall of the anti-theft ring (13) is provided with a plurality of reverse teeth (14).

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