Breathable valve of plastic bucket cover

Abstract

The utility model relates to the technical field of ventilation of plastic buckets, in particular to a ventilation valve of a plastic bucket cover, which has the advantages that a ventilation component can be detached for cleaning when impurities on a waterproof ventilation film are cleaned, the waterproof ventilation film is convenient to clean, the use is convenient, and the practicability is high; comprising a vent pipe and a connecting flange fixedly installed at the lower end of the vent pipe. The air-permeable pipe further comprises an air-permeable assembly and a dustproof assembly, a waterproof air-permeable film is arranged on the air-permeable assembly, the air-permeable assembly is detachably connected with the air-permeable pipe, the dustproof assembly is installed on the air-permeable assembly, the dustproof assembly is detachably connected with the air-permeable assembly, and the dustproof assembly has a dustproof function.

Description

Technical Field

[0001] The utility model relates to the technical field of air permeability of plastic barrels, in particular to an air vent valve for a plastic barrel cover. Background Art

[0002] When some gas-generating raw materials are loaded into a plastic barrel, the accumulation of these gases in the barrel may cause the pressure to rise, which may in turn cause the plastic barrel to deform, rupture or even explode. In order to ensure the safety of the plastic barrel, an air vent valve needs to be provided on the plastic barrel cover to enable the plastic barrel to have sufficient exhaust capacity. In the prior art, the utility model patent with the patent application number 202221589303.8 discloses a waterproof and breathable cover, which mainly consists of a cover body, a ventilation pipe and a waterproof and breathable membrane, etc. The ventilation pipe is installed on the cover body, and the waterproof and breathable membrane is installed at the lower end of the ventilation pipe. When in use, the air in the plastic barrel can be discharged to the outside through the waterproof and breathable membrane, and at the same time, the waterproof and breathable membrane can prevent external dust and impurities from falling into the plastic barrel. The inventor believes that there are the following problems in its use process. As the use time increases, more and more impurities will adhere to the waterproof and breathable membrane, resulting in a decrease in the air permeability of the waterproof and breathable membrane. Since the above waterproof and breathable membrane is fixedly installed inside the ventilation pipe, it is inconvenient for the staff to directly clean the impurities on the waterproof and breathable membrane, and it is inconvenient to use. Summary of the Utility Model

[0003] In order to solve the above technical problems, the utility model provides an air vent valve for a plastic barrel cover, which can disassemble the ventilation component for cleaning when cleaning the impurities on the waterproof and breathable membrane, facilitating the cleaning of the waterproof and breathable membrane, being convenient to use and having high practicability.

[0004] The air vent valve for the plastic barrel cover of the utility model includes a ventilation pipe and a connecting flange, and the connecting flange is fixedly installed at the lower end of the ventilation pipe; it also includes a ventilation component and a dust-proof component. A waterproof and breathable membrane is arranged on the ventilation component. The ventilation component and the ventilation pipe are detachably connected. The dust-proof component is installed on the ventilation component, and the dust-proof component and the ventilation component are detachably connected. The dust-proof component has a dust-proof function; the connecting flange is installed at the air vent of the plastic barrel cover, and the air in the plastic barrel can be discharged to the outside through the ventilation pipe and the waterproof and breathable membrane; when it is necessary to clean the impurities on the waterproof and breathable membrane, the dust-proof component is disassembled from the ventilation component, and then the ventilation component is disassembled from the ventilation pipe, and then the staff can clean the waterproof and breathable membrane on the ventilation component; it can disassemble the ventilation component for cleaning when cleaning the impurities on the waterproof and breathable membrane, facilitating the cleaning of the waterproof and breathable membrane, being convenient to use and having high practicability.

[0005] Preferably, the ventilation component includes a connecting piece. External threads are provided on both the upper and lower parts of the connecting piece, and an internal thread is provided on the upper part of the ventilation pipe. The lower part of the connecting piece is threadedly connected to the upper part of the ventilation pipe, and the waterproof and breathable membrane is fixedly installed in the middle of the connecting piece. When disassembling the connecting piece from the ventilation pipe, it can be simply unscrewed from the ventilation pipe, which improves the convenience during use.

[0006] Preferably, the dust-proof component includes a dust-proof cover. An internal thread is provided on the lower part of the dust-proof cover, and the lower part of the dust-proof cover is screwed onto the connecting piece. Multiple ventilation slots are provided on the dust-proof cover, and the multiple ventilation slots are evenly distributed circumferentially on the dust-proof cover. Through the shielding effect of the dust-proof cover on the connecting piece, the dust and impurities falling from the outside onto the waterproof and breathable membrane are reduced, improving the cleanliness.

[0007] Preferably, protrusions are provided on both the connecting piece and the dust-proof cover. Through the above setting, it is convenient for the staff to rotate the connecting piece and the dust-proof cover.

[0008] Preferably, the threads on the ventilation pipe, the connecting piece, and the dust-proof cover are all tapered threads. The ventilation pipe is connected to the connecting piece through tapered threads, and the connecting piece is connected to the dust-proof cover through tapered threads. Through the above setting, the sealing performance at the connections of the ventilation pipe, the connecting piece, and the dust-proof cover is improved, enhancing the reliability.

[0009] Preferably, the upper part of the dust-proof cover is conical. Through the above setting, the accumulation of dust on the dust-proof cover is prevented, improving the cleanliness.

[0010] Preferably, a sealing gasket is further included, and the sealing gasket is installed at the lower end of the connecting flange. Through the above setting, the sealing performance between the connecting flange and the plastic barrel cover is improved.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: When cleaning the impurities on the waterproof and breathable membrane, the ventilation component can be disassembled for cleaning, which facilitates the cleaning of the waterproof and breathable membrane, is easy to use, and has high practicality. Brief Description of the Drawings

[0012] Figure 1 is the exploded view of the present utility model;

[0013] Figure 2 is the first axonometric structure schematic diagram of the present utility model;

[0014] Figure 3 is the structure schematic diagram of the connecting piece and the waterproof and breathable membrane;

[0015] Figure 4 is the second axonometric structure schematic diagram of the present utility model;

[0016] Figure 5 is the front view structure schematic diagram of the present utility model.

[0017] Reference numerals in the drawings: 1, breather pipe; 2, connecting flange; 3, waterproof breathable membrane; 4, connecting piece; 5, dust cover; 6, ventilation groove; 7, protrusion; 8, gasket. Detailed implementation manners

[0018] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0019] Embodiment 1

[0020] As Figures 1 to 5 , the breather valve of the plastic barrel cover of the present utility model includes a breather pipe 1, a connecting flange 2, a breathable component and a dust-proof component. The connecting flange 2 is fixedly installed at the lower end of the breather pipe 1. A waterproof breathable membrane 3 is provided on the breathable component. The connection between the breathable component and the breather pipe 1 is detachable. The dust-proof component is installed on the breathable component. The connection between the dust-proof component and the breathable component is detachable. The dust-proof component has a dust-proof function. The connecting flange 2 is installed at the breathable opening of the plastic barrel cover. The air inside the plastic barrel can be discharged to the outside through the breather pipe 1 and the waterproof breathable membrane 3. When it is necessary to clean the impurities on the waterproof breathable membrane 3, the dust-proof component is detached from the breathable component, and then the breathable component is detached from the breather pipe 1, and then the staff can clean the waterproof breathable membrane 3 on the breathable component. It can detach the breathable component for cleaning when cleaning the impurities on the waterproof breathable membrane 3, which facilitates the cleaning of the waterproof breathable membrane 3, is convenient to use, and has high practicability.

[0021] As Figure 1 and Figure 2 , the breathable component includes a connecting piece 4. External threads are provided on both the upper and lower parts of the connecting piece 4. Internal threads are provided on the upper part of the breather pipe 1. The lower part of the connecting piece 4 is threadedly connected to the upper part of the breather pipe 1. The waterproof breathable membrane 3 is fixedly installed in the middle of the connecting piece 4. When detaching the connecting piece 4 from the breather pipe 1, just unscrew the connecting piece 4 from the breather pipe 1. It improves the convenience during use.

[0022] As Figure 1 and Figure 4 , the dust-proof component includes a dust cover 5. Internal threads are provided on the lower part of the dust cover 5. The lower part of the dust cover 5 is screwed to the connecting piece 4. Multiple ventilation grooves 6 are provided on the dust cover 5. The multiple ventilation grooves 6 are evenly distributed circumferentially on the dust cover 5. Through the shielding effect of the dust cover 5 on the connecting piece 4, the dust and impurities falling from the outside onto the waterproof breathable membrane 3 are reduced, improving the cleanliness.

[0023] As Figure 1, both the connecting member 4 and the dust cover 5 are provided with protrusions 7; through the above settings, it is convenient for the staff to rotate the connecting member 4 and the dust cover 5.

[0024] The threads on the breather pipe 1, the connecting member 4 and the dust cover 5 are all tapered threads. The breather pipe 1 is connected to the connecting member 4 through the tapered thread, and the connecting member 4 is connected to the dust cover 5 through the tapered thread; through the above settings, the sealing performance at the connection of the breather pipe 1, the connecting member 4 and the dust cover 5 is improved, and the reliability is improved.

[0025] The upper part of the dust cover 5 is conical; through the above settings, dust accumulation on the dust cover 5 is prevented, and the cleanliness is improved.

[0026] Embodiment 2

[0027] On the basis of Embodiment 1, a sealing gasket 8 is added, and the sealing gasket 8 is installed at the lower end of the connecting flange 2; through the above settings, the sealing performance between the connecting flange 2 and the plastic barrel cover is improved.

[0028] The waterproof breathable membrane 3, the connecting member 4, the dust cover 5 and the sealing gasket 8 of the plastic barrel cover breather valve of the present utility model are all purchased on the market. Those skilled in the industry only need to install and operate according to the attached user manual, without the need for creative labor from those skilled in the art.

[0029] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A vent valve for a plastic barrel cover, comprising a vent pipe (1) and a connecting flange (2), wherein the connecting flange (2) is fixedly mounted on the lower end of the vent pipe (1); characterized in that: It also includes a breathable component and a dustproof component. The breathable component is provided with a waterproof breathable membrane (3). The breathable component and the breathable tube (1) are detachably connected. The dustproof component is installed on the breathable component. The dustproof component and the breathable component are detachably connected. The dustproof component has a dustproof function.

2. The vent valve for a plastic barrel cover according to claim 1, characterized in that: The ventilation assembly comprises a connecting piece (4), the upper and lower parts of the connecting piece (4) are both provided with external threads, the upper part of the ventilation tube (1) is provided with internal threads, the lower part of the connecting piece (4) is threadedly connected to the upper part of the ventilation tube (1), and the waterproof breathable membrane (3) is fixedly mounted in the middle part of the connecting piece (4).

3. The vent valve for a plastic barrel cover according to claim 2, characterized in that: The dustproof assembly comprises a dustproof cover (5), the lower part of the dustproof cover (5) is provided with an internal thread, the lower part of the dustproof cover (5) is screwed with the connecting piece (4), and the dustproof cover (5) is provided with a plurality of groups of air permeable grooves (6), and the plurality of groups of air permeable grooves (6) are evenly distributed around the circumference of the dustproof cover (5).

4. The vent valve for a plastic barrel cover as claimed in claim 3, characterized in that: The connecting piece (4) and the dust cover (5) are both provided with protrusions (7).

5. The vent valve for a plastic barrel cover as claimed in claim 3, characterized in that: The threads on the vent pipe (1), the connecting piece (4) and the dust cover (5) are all tapered threads; the vent pipe (1) and the connecting piece (4) are connected via tapered threads, and the connecting piece (4) and the dust cover (5) are connected via tapered threads.

6. The vent valve for a plastic barrel cover as claimed in claim 3, characterized in that: The upper part of the dust cover (5) is conical.

7. The vent valve for a plastic barrel cover according to claim 1, characterized in that: It also includes a sealing gasket (8), which is installed on the lower end of the connecting flange (2).

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