CN220925032U - Bucket cover structure based on waterproof ventilation and plastic bucket - Google Patents

Abstract

The utility model discloses a waterproof and breathable barrel cover structure and a plastic barrel, which are used for reducing deformation, cracking or leakage caused by air impermeability of the plastic barrel. The utility model comprises the following steps: an air-permeable valve, a barrel cover and a waterproof cover; the air-permeable valve comprises a screw cap head and a screw rod part which are integrally formed, an air passage is arranged in the screw rod part, a waterproof air-permeable membrane is fixed in the air passage, an exhaust hole is formed in the side face of the screw cap head, and the exhaust hole is communicated with the air passage; the barrel cover is provided with a concave area, a through hole is arranged in the concave area, and the screw rod part of the ventilation valve penetrates through the concave area and is fixed in the through hole, so that air in the barrel is discharged outwards along the air passage in the ventilation valve; the waterproof cover is provided with penetrating ventilation holes and is used for being embedded into the concave area.

Description

Bucket cover structure based on waterproof ventilation and plastic bucket

Technical Field

The application relates to the technical field of ventilation of plastic barrels, in particular to a waterproof ventilation-based barrel cover structure and a plastic barrel.

Background

The plastic barrel is used for storing and transporting various liquids, has good characteristics for special dangerous goods package, has the characteristics of uneasiness, rust resistance, light weight and the like, has excellent oil resistance and strong corrosion resistance, and is used for dangerous goods package which needs heat preservation, moisture resistance, pressure resistance and corrosion resistance.

The plastic barrel generally comprises a barrel body and a barrel cover, wherein the barrel body is detachably connected with the barrel cover, a nipple is arranged on the barrel cover, liquid in the plastic barrel is poured out through the nipple, and in the process of transporting the plastic barrel, the inside of the plastic barrel is in a closed state because the nipple is not unsealed and keeps a sealed state, however, the pressure in the plastic barrel is inconsistent with the external pressure in the process of transporting due to the change of the external environment in the process of transporting, such as the change of altitude, so that the plastic barrel swells, and the pressure in the plastic barrel cannot be released due to the closed state, so that the plastic barrel is deformed, broken or leaked.

Accordingly, in view of the above-mentioned problems, the present application proposes a breathable lid structure for solving the above-mentioned problems.

Disclosure of utility model

In order to solve the technical problems, the application provides a waterproof and breathable barrel cover structure and a plastic barrel, which can reduce deformation, cracking or leakage caused by air impermeability of the plastic barrel.

A first aspect of the present application provides a waterproof and breathable based lid structure comprising:

An air-permeable valve, a barrel cover and a waterproof cover; the air-permeable valve comprises a screw cap head and a screw rod part which are integrally formed, an air passage is arranged in the screw rod part, a waterproof air-permeable membrane is fixed in the air passage, an exhaust hole is formed in the side face of the screw cap head, and the exhaust hole is communicated with the air passage;

The barrel cover is provided with a concave area, a through hole is arranged in the concave area, and the screw rod part of the ventilation valve penetrates through the concave area and is fixed in the through hole, so that air in the barrel is discharged outwards along the air passage in the ventilation valve;

the waterproof cover is provided with penetrating ventilation holes and is used for being embedded into the concave area.

Optionally, the screw portion is provided with external screw thread, be provided with in the through-hole with external screw thread matched's internal screw thread, through the external screw thread with the cooperation of internal screw thread, will the screw portion is fixed in the through-hole.

Optionally, the barrel cover structure further comprises a nut, and the nut is located on the lower surface of the concave area and screwed with the screw rod part.

Optionally, a first self-locking structure is arranged on the upper surface of the nut, and a second self-locking structure is arranged on the lower surface of the concave region, so that the nut and the concave region are mutually connected through the cooperation of the first self-locking structure and the second self-locking structure.

Optionally, a flow blocking end is arranged at one end of the nut far away from the concave area, and a small hole is arranged at the middle position of the flow blocking end.

Optionally, the lower surface of the nut head is fixedly connected with the upper surface of the concave area by ultrasonic welding.

Optionally, a third self-locking structure is disposed on the lower surface of the nut head of the air-permeable valve, and a fourth self-locking structure is disposed on the upper surface of the concave region, so that the nut head is connected with the concave region through cooperation of the third self-locking structure and the fourth self-locking structure.

Optionally, the screw rod part of the ventilation valve is fixedly connected with the through hole in a tight fit manner.

Optionally, the waterproof cover is provided with a circular protrusion, and the air hole is located at the center of the circular protrusion and penetrates through the circular protrusion.

Optionally, the waterproof cover is further provided with two opening modules, and the opening modules are used for taking out the waterproof cover from the concave area.

Optionally, an anti-skid groove is arranged on the upper surface of the barrel cover.

Optionally, still be provided with the glib talker on the bung, the interior structure of stretching of glib talker is provided with pull ring, hinders liquid board and ventilated membrane, the pull ring with hinder the liquid board and be connected, ventilated membrane passes through ultrasonic welding's mode setting and is in hinder on the liquid board, the below of hindering the liquid board is provided with the drain apron, be provided with the air vent on the drain apron.

Optionally, be provided with easy tear structure on the bung, easy tear structure's inboard is provided with the ring that buckles that is used for the lock joint plastic drum, easy tear structure with connect through annular fracture groove between the bung.

A second aspect of the present application provides a plastic tub comprising a tub body and a tub cover structure as described in any one of the first aspect and the optional modes, wherein the tub cover structure is covered on the tub body.

From the above technical scheme, the application has the following effects:

According to the application, the concave area is arranged on the barrel cover, the through hole is formed in the concave area, the ventilation valve penetrates through the through hole and is fixed in the through hole, and then the waterproof cover is arranged in the concave area, so that when the pressure in the plastic barrel is inconsistent with the external pressure, the ventilation valve and the ventilation hole on the waterproof cover can exhaust the plastic barrel, and ventilation between the plastic barrel and the external is realized, so that the phenomenon that the barrel body of the plastic barrel is shrunken due to different altitudes can be reduced, the phenomenon of the barrel cover is formed, and the safety problem in the transportation process is reduced; the waterproof breathable film is arranged in the breathable valve, so that the breathable function can be realized, and liquid in the plastic bucket can be prevented from flowing out of the breathable valve; in addition, the pressure difference between the inside and the outside of the plastic barrel can be balanced through the ventilation valve, and the conditions of expansion and contraction of the barrel body caused by factors such as air, plateau and the like are changed.

Drawings

In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a water-proof and breathable barrel cover structure according to the present application;

FIG. 2 is a schematic diagram showing the disassembly of a waterproof and breathable barrel cover structure;

FIG. 3 is another schematic view of a waterproof and breathable barrel cover structure according to the present application;

Fig. 4 is a schematic view of a waterproof cover in a waterproof and breathable barrel cover structure according to the present application;

FIG. 5 is a schematic view of a nut in a waterproof and breathable barrel cover structure according to the present application;

FIG. 6 is another schematic view of a nut in a waterproof and breathable based barrel cover structure according to the present application;

FIG. 7 is another schematic view of a nut in a waterproof and breathable based barrel cover structure according to the present application;

FIG. 8 is another schematic view of a nut in a waterproof and breathable based barrel cover structure according to the present application;

FIG. 9 is a schematic view of a drum cover in a drum cover structure based on waterproof and ventilation according to the present application;

fig. 10 is a schematic view of a plastic bucket according to the present application.

Detailed Description

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely used to illustrate the relative positional relationships between the components or portions, and do not particularly limit the specific mounting orientations of the components or portions.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure for the purpose of understanding and reading by those skilled in the art, and are not intended to limit the scope of the application, which is defined by the appended claims, so that any structural modifications, proportional changes, or dimensional adjustments should not be made in the essential significance of the present disclosure without affecting the efficacy or achievement of the present application.

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The application provides a waterproof and breathable barrel cover structure and a plastic barrel, which are used for balancing the pressure difference between the inside and the outside of the plastic barrel and changing the conditions of thermal expansion and cold contraction of a barrel body caused by factors such as air, altitude and the like. The specific implementation of the present application is described below.

Referring to fig. 1 to 9, a waterproof and breathable barrel cover structure according to a first aspect of the present application includes:

The air-permeable valve 1, the barrel cover 2 and the waterproof cover 3; the ventilation valve 1 comprises a screw cap head and a screw rod part which are integrally formed, an air passage is arranged in the screw rod part, a waterproof ventilation film 11 is fixed in the air passage, an exhaust hole is arranged on the side face of the screw cap head, and the exhaust hole is communicated with the air passage; the barrel cover 2 is provided with a concave area 21, a through hole is arranged in the concave area 21, and a screw rod part of the ventilation valve 1 penetrates through the concave area 21 and is fixed in the through hole, so that air in the barrel is discharged outwards along an air passage in the ventilation valve 1; the waterproof cover 3 is provided with ventilation holes 31 penetrating through, and the waterproof cover 3 is used for being embedded into the concave area.

When the air in the plastic barrel is too high in pressure and needs to be exhausted outwards, the air in the barrel firstly passes through the screw rod part and the waterproof breathable film, then passes through the exhaust hole on the nut head part of the breathable valve 1, and finally is exhausted through the air hole 31 on the waterproof cover 3, and the exhaust direction is as indicated by an arrow in fig. 1.

When the waterproof cover 3 is assembled in the concave area 21, the outer wall of the waterproof cover 3 is mutually attached to the inner wall of the concave area 21, and the upper surface of the waterproof cover 3 is flush with the upper surface of the barrel cover 2; the lower surface of the nut head of the ventilation valve 1 is adhered and fixed with the upper surface of the concave area 21; the through hole is provided at the center of the recessed area 21.

In the embodiment, by arranging the concave area on the barrel cover 2 and arranging the through hole in the concave area 2, placing the air-permeable valve 1 with the waterproof air-permeable membrane inside in the through hole, and penetrating the through hole through the screw part of the air-permeable valve 1, covering the waterproof cover 3 on the concave area 21 and covering the air-permeable valve 1, when the plastic barrel is inflated due to pressure change in the transportation process, the air-permeable valve 1 can be used for timely exhausting, so that the shrinkage of the barrel body and the phenomenon of the barrel cover caused by different altitudes of the plastic barrel can be reduced, and the safety problem in the transportation process is reduced; in addition, by arranging the ventilation valve in the concave region, the ventilation valve 1 can be prevented from being exposed to the upper surface of the tub cover 2, and thus unbalance between the plastic tub can be solved when stacking up and down.

In the present application, there are several fixing methods between the breather valve 1 and the tub cover 2, which are described below.

Optionally, in one implementation manner, the screw part is provided with an external thread, an internal thread matched with the external thread is arranged in the through hole in the concave area 21, the screw part is fixed in the through hole through the cooperation of the external thread and the internal thread, and in the actual assembly process, the screw part is screwed in the through hole in a screwing manner; it will be appreciated that an O-ring may also be provided at the junction of the nut head of the breather valve 1 and the recessed area 21, to increase the tightness by means of the O-ring.

Optionally, in another implementation manner, the barrel cover structure provided by the application further comprises a nut 6, wherein the nut 6 is located on the lower surface of the concave area 21 and is screwed with the screw rod portion, in practice, an internal thread is also arranged in the nut 6, a part of the screw rod portion passes through the through hole and is located below the concave area 21, at this time, the nut 6 is screwed on the screw rod portion, and the nut 6 is screwed to be attached to the lower surface of the concave area 21, so that the fixation of the ventilation valve 1 is realized.

Optionally, in another implementation manner, the upper surface of the nut 6 is provided with the first self-locking structure 61, the lower surface of the concave area 21 is provided with the second self-locking structure 212, the nut 6 and the concave area 21 are mutually attached and connected through the cooperation of the first self-locking structure 61 and the second self-locking structure 212, wherein the first self-locking structure 61 protrudes from the upper surface of the nut 6, the first self-locking structure 61 is provided with a high-low point matching inclined structure, the high-point inclined direction is along the screwing direction of the nut 6, and when in actual assembly, the first self-locking structure 61 can be easily screwed into the second self-locking structure 212 by screwing along the inclined direction, further, the screwing direction is provided with an inclination, and the screwing direction is not inclined, so that after the first self-locking structure 61 and the second self-locking structure 212 are mutually matched, the nut 6 cannot be easily unscrewed, and the effects of easy screwing and difficult screwing are achieved. In this embodiment, the first self-locking structure 61 and the second self-locking structure 212 are matched and fixed, so that the nut 6 can be prevented from backing up in use, and the nut 6 is prevented from loosening, thereby improving the stability of connection between the nut 6 and the screw portion.

In addition, in order to prevent the nut 6 from loosening, the first self-locking structure on the nut 6 may be configured as a triangle structure.

Optionally, please continue to refer to fig. 5 to 8, for the nut 6, a realizable manner is provided, a baffle end 63 is provided at an end of the nut 6 far away from the recess area, a small hole is provided on the baffle end 63, the small hole penetrates through the baffle end 63 up and down, a drainage piece 64 is integrally formed below the baffle end 63, a channel penetrating transversely is provided in the drainage piece 64, the channel is communicated with the small hole on the baffle end 63, in this embodiment, the back and forth swing of the liquid in the transportation process can be relieved through the drainage piece 64, the effect of stabilizing flow is achieved, and in addition, the liquid entering the screw part of the ventilation valve 1 can be reduced through the drainage piece 64 and the baffle end 63, so that the damage of the liquid impact to the waterproof ventilation film can be avoided.

It should be noted that the baffle end 63 may be horizontal or may be inclined downward, and the specific shape of the baffle end 63 is not limited in detail herein. In addition, the nut 6 is further provided with an O-ring 62, and the O-ring 62 can make the nut 6 more attached to the lower surface of the recessed area 21, thereby improving the sealing property.

In addition, referring to fig. 8, an upwardly concave arc-shaped blocking member 65 is further disposed below the blocking end 63, and the liquid can be further prevented from entering the ventilation valve 1 by the arc-shaped blocking member 65.

Alternatively, in another possible implementation manner, the lower surface of the nut head of the breather valve 1 is fixedly connected with the upper surface of the concave area by means of ultrasonic welding, and actually, an annular bonding wire 4 is disposed on the through hole edge of the concave area 21, and the height of the bonding wire 4 is about 0.3mm. With continued reference to fig. 2, in the actual fixing process, the bonding wire 4 is disposed on the upper surface of the concave area 21, the ventilation valve 1 is disposed in the through hole, the nut head of the ventilation valve 1 is attached to the bonding wire 4, and the bonding wire 4 is respectively connected with the ventilation valve 1 and the concave area 21 in a fusion manner by ultrasonic welding, so as to realize sealing connection.

It will be appreciated that the screw cap head of the air-permeable valve 1 may be fixed to the recessed area 21 by means of glue adhesion, and in addition, the shape of the screw cap head may be set to a hexagonal shape.

Optionally, referring to fig. 3, in another possible manner, the lower surface of the nut head of the ventilation valve 1 is provided with a third self-locking structure 12, and the upper surface of the concave area 21 is provided with a fourth self-locking structure 211, so that the nut head of the ventilation valve 1 is connected with the concave area 21 through the cooperation of the third self-locking structure 12 and the fourth self-locking structure 211, wherein the connection and the fixing manner between the third self-locking structure 12 and the fourth self-locking structure 211 are described in detail in the foregoing description of the first self-locking structure 61, which is not repeated herein.

Alternatively, in another possible implementation manner, the screw portion of the air-permeable valve 1 and the through hole of the concave area 21 may be fixedly connected by a tight fit manner, in this embodiment, the inner diameter of the through hole is smaller than the outer diameter of the screw portion, and the screw portion is extruded and embedded into the through hole by applying an external force, so as to implement the tight fit connection, it should be noted that the inner diameter of the through hole cannot be excessively smaller than the outer diameter of the screw portion, and the inner diameter of the through hole and the outer diameter of the screw portion should be slightly different, for example, the diameter of the screw portion is 10cm, and the diameter of the through hole is 9.8cm.

Alternatively, for the waterproof cover 3, please continue to refer to fig. 4, a circular protrusion is provided on the waterproof cover 3, the circular protrusion is located at the middle position of the waterproof cover 3, the air hole 31 is located at the center position of the circular protrusion, and the air hole 31 penetrates through the circular protrusion up and down. In this embodiment, by providing the circular protrusion, the liquid on the lid 2 can be prevented from accumulating at the position of the vent hole 31, so that the flow of the liquid from the vent hole 31 to the ventilation valve 1 can be reduced.

Alternatively, in one possible manner, two opening modules 32 are provided on the waterproof cover 3, and the two opening modules 32 are located at two sides of the ventilation hole 31, so that the waterproof cover 3 can be taken out from the recess area 21 through the two opening modules 32.

The shape of the waterproof cover 3 is the same as the shape of the concave region, and may be circular, hexagonal, octagonal, etc.

Optionally, the barrel cover 2 is provided with an anti-slip groove 22, anti-slip patterns are arranged in the anti-slip groove 22, the size of the anti-slip groove 22 is matched with the size of the barrel bottom of the plastic barrels, the plastic barrels are stacked up and down during transportation, the barrel bottom is arranged in the anti-slip groove 22, so that the mutual sliding among the plastic barrels can be reduced, the stacking stability is improved, and the transportation safety is improved.

Optionally, be provided with glib 5 on bung 2, the interior structure of stretching of glib 5 is provided with pull ring 51, hinder liquid board 52 and ventilated membrane, pull ring 51 is connected with hinder liquid board 52, ventilated membrane passes through ultrasonic welding's mode setting on hinder liquid board 52, the below that hinders liquid board 52 is provided with liquid guide apron 53, be provided with the air vent on the liquid guide apron 53, be provided with the exhaust passage that is used for the exhaust on the glib, be provided with a plurality of holes that run through from top to bottom on the liquid guide board 52, through air vent, a plurality of holes and exhaust passage, the air in the plastic drum can follow glib 5 positions discharge, further increased the exhaust mode, the effect of exhaust depressurization has been improved.

The breathable film is also waterproof, that is, it can support only gas flow but not liquid flow; in addition, the breathable film and the liquid-blocking plate 52 can be connected in a glue adhesion manner.

Optionally, in an realizable mode, the barrel cover 2 is provided with an easy-to-tear structure 8, the inner side of the easy-to-tear structure 8 is provided with a fastening ring 81 for fastening the plastic barrel, the easy-to-tear structure 8 is connected with the barrel cover 2 through an annular breaking groove 9, the thickness of the annular breaking groove 9 is actually thinner, when an external force is applied to the easy-to-tear structure 8, the annular breaking groove 9 breaks under the action of the external force through pulling the easy-to-tear structure 8, so that the barrel cover 2 can be separated from the plastic barrel. In addition, the easy-to-tear structure 8 is provided with an opening end 82, and the annular breaking groove 9 can be torn by pulling the opening end 82 outwards and tearing it in one direction.

It should be noted that the annular fracture groove 9 may be provided as an inner annular fracture groove or an outer annular fracture groove, and the concave notch faces the inner side of the plastic barrel and is called an inner annular fracture groove, and faces away from the plastic barrel and is called an outer annular fracture groove.

In this embodiment, through setting up easy tear structure 8, can not pass through opening tool, also can easily separate bung 2 and ladle body, realize light laborsaving uncapping process.

With continued reference to fig. 10, a second aspect of the present application provides a plastic tub, including a tub body 7 and a tub cover structure in any of the embodiments of fig. 1 to 9, wherein the tub cover structure covers the tub body 7.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (14)

1. A waterproof and breathable barrel cover structure, which is characterized by comprising: an air-permeable valve, a barrel cover and a waterproof cover; the air-permeable valve comprises a screw cap head and a screw rod part which are integrally formed, an air passage is arranged in the screw rod part, a waterproof air-permeable membrane is fixed in the air passage, an exhaust hole is formed in the side face of the screw cap head, and the exhaust hole is communicated with the air passage;

The barrel cover is provided with a concave area, a through hole is arranged in the concave area, and the screw rod part of the ventilation valve penetrates through the concave area and is fixed in the through hole, so that air in the barrel is discharged outwards along the air passage in the ventilation valve;

the waterproof cover is provided with penetrating ventilation holes and is used for being embedded into the concave area.

2. The lid structure according to claim 1, wherein the screw portion is provided with an external thread, an internal thread matching the external thread is provided in the through hole, and the screw portion is fixed in the through hole by the cooperation of the external thread and the internal thread.

3. The lid structure of claim 2, further comprising a nut located on a lower surface of the recessed area and screwed with the screw portion.

4. A lid structure according to claim 3, wherein a first self-locking structure is provided on the upper surface of the nut and a second self-locking structure is provided on the lower surface of the recessed region, whereby the nut and the recessed region are interconnected by cooperation of the first and second self-locking structures.

5. The barrel cover structure according to claim 3 or 4, wherein a flow blocking end is arranged at one end of the nut far away from the concave area, and a small hole is arranged at the middle position of the flow blocking end.

6. The lid structure according to claim 1, wherein the lower surface of the cap head is fixedly connected to the upper surface of the recess region by ultrasonic welding.

7. The lid structure according to any one of claims 1 to 4, wherein a lower surface of the cap head of the vent valve is provided with a third self-locking structure and an upper surface of the recess region is provided with a fourth self-locking structure, whereby the cap head and the recess region are interconnected by cooperation of the third and fourth self-locking structures.

8. The lid structure according to claim 1, wherein the screw portion of the vent valve is fixedly connected to the through hole by a tight fit.

9. The lid structure according to any one of claims 1 to 4, wherein the waterproof lid is provided with a circular protrusion, and the vent hole is located at a central position of the circular protrusion and penetrates the circular protrusion.

10. The lid structure of claim 9, wherein the waterproof lid is further provided with two opening modules for removing the waterproof lid from the recessed area.

11. The lid structure according to any one of claims 1 to 4, wherein an upper surface of the lid is provided with a anti-skid groove.

12. The barrel cover structure according to any one of claims 1 to 4, wherein a nipple is further arranged on the barrel cover, an inner stretching structure of the nipple is provided with a pull ring, a liquid blocking plate and a ventilation membrane, the pull ring is connected with the liquid blocking plate, the ventilation membrane is arranged on the liquid blocking plate in an ultrasonic welding mode, a liquid guiding cover plate is arranged below the liquid blocking plate, and a vent hole is formed in the liquid guiding cover plate.

13. The lid structure according to any one of claims 1 to 4, wherein a tearable structure is provided on the lid, a fastening ring for fastening a plastic barrel is provided on an inner side of the tearable structure, and the tearable structure is connected to the lid through an annular breaking groove.

14. A plastic tub comprising a tub body and a tub cover structure according to any one of claims 1 to 13, said tub cover structure being provided over said tub body.