Reinforced sealing structure for opening of plastic bucket

Abstract

The utility model relates to the technical field of plastic buckets, and discloses a reinforced sealing structure for a plastic bucket opening, which comprises a plastic bucket and an end cover, a neck part is integrally formed at the top of the plastic bucket, a threaded notch is arranged on the periphery of the neck part close to the top, and a lappet connecting plate is integrally formed in the middle of the periphery of the neck part. A rib is integrally formed between the lappet connecting plate and the end cover; after the internal thread of the end cover is in threaded connection with the notch of the external thread of the neck opening part, the top of the inner wall of the end cover abuts against the external sealing ring of the neck opening part to form a sealing structure layer, the external connecting plate of the neck opening part is stably connected through a plurality of sets of reinforcing rib plates, and the connecting plate and the end cover are in breakpoint connection through ribs and easy-to-tear grooves. And a second sealing structure layer is formed after the outer part of the end cover is stably connected with the lappet connecting plate, so that the reinforcing sealing structure for the opening of the plastic barrel can improve the sealing performance of the barrel opening and improve the sealing stability of materials in the plastic barrel.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic barrels, in particular to a reinforced sealing structure for the opening of a plastic barrel. Background Art

[0002] Plastic barrels are mostly made of polyethylene, polypropylene and other plastics blow molding, injection molding, is the chemical, pesticide, medicine, food, hardware and electronics, electromechanical and other industries liquid, solid packaging, the opening design of the plastic barrel is usually to facilitate the filling and removal of contents, but also convenient for cleaning and maintenance, open plastic barrels are suitable for the storage and transportation of granular or powdered substances, such as chemical products, food, etc., plastic barrels in the process of processing to meet the export plastic barrel quality standards, to ensure the quality and safety of the product, plastic barrels are mostly used for the storage and transportation of various liquids, for special hazardous goods packaging has good characteristics, it is not easy to break, rust, light weight, and oil resistance, strong corrosion resistance is excellent, mostly used for the need to keep warm, moisture-proof, pressure-resistant, corrosion-resistant hazardous goods packaging.

[0003] However, during the packaging process of the above-mentioned plastic barrel, when the barrel mouth is sealed by a simple thread, the sealing performance is low, and the thread is easily deformed and falls off after being hit by an external impact, resulting in low sealing stability of the packaged material in the plastic barrel. For this reason, we propose a reinforced sealing structure for the opening of the plastic barrel. Utility Model Content

[0004] The utility model aims to provide a reinforced sealing structure for a plastic barrel opening, which can enhance the sealing performance of the barrel mouth and improve the sealing stability of the material in the plastic barrel.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reinforced sealing structure for the opening of a plastic barrel, comprising a plastic barrel and an end cover, wherein the top of the plastic barrel is integrally formed with a neck portion, a threaded notch is provided at the periphery of the neck portion near the top, a collar plate is integrally formed at the middle of the periphery of the neck portion, ribs are integrally formed between the collar plate and the end cover, a sealing ring is installed outside the neck portion, and reinforcing rib plates are integrally formed at equal intervals on the circumference between the collar plate and the neck portion, and the plastic barrel can be connected to the outer surface of the neck portion through the internal thread of the end cover through the material injection port. The threaded notch of the neck portion can be detachably installed, so that the materials can be packaged and transported; after the internal thread of the end cover is threadedly connected with the external threaded notch of the neck portion, the top of the inner wall of the end cover contacts the external sealing ring of the neck portion to form a sealing structure layer, and the external collar plate of the neck portion is firmly connected by multiple groups of reinforcing rib plates, and the collar plate and the end cover are connected at the breakpoint of an easy-to-tear groove through a rib, so that the outside of the end cover is firmly connected to the collar plate to form a second sealing structure layer, so that the reinforced sealing structure of the opening of the plastic barrel can improve the sealing of the barrel mouth and improve the sealing stability of the materials in the plastic barrel.

[0006] Preferably, handles are installed on both sides of the outside of the neck portion, and the handles can facilitate the transportation of the plastic barrel.

[0007] Preferably, the end cover is mounted on the threaded groove outside the neck portion by threaded engagement.

[0008] Preferably, an annular groove is provided on the outside of the neck portion near the threaded groove, and the sealing ring is clamped in the inner wall of the annular groove. The top of the inner wall of the end cover conflicts with the sealing ring outside the threaded groove. After the internal thread of the end cover is threadedly connected with the external threaded groove of the neck portion, the top of the inner wall of the end cover conflicts with the external sealing ring of the neck portion to form a sealing structure layer.

[0009] Preferably, the top of the inner wall of the end cover conflicts with the sealing ring outside the threaded notch.

[0010] Preferably, the joints between the lapel plate and the ribs and the joints between the end cover and the ribs are both provided with tear-away grooves, and the lapel plate and the end cover are connected at the tear-away groove breakpoints through the ribs, so that the outside of the end cover is firmly connected to the lapel plate to form a second sealing structure layer, thereby achieving the enhanced sealing structure for the opening of the plastic barrel to improve the sealing of the barrel mouth.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] After the internal thread of the end cover in the utility model is threadedly connected with the external thread groove of the neck opening, the top of the inner wall of the end cover contacts the external sealing ring of the neck opening to form a sealing structure layer, and the external collar plate of the neck opening is firmly connected by multiple groups of reinforcing rib plates, and the collar plate and the end cover are connected by ribs with easy-to-tear groove breakpoints, so that the outside of the end cover is firmly connected to the collar plate to form a second sealing structure layer, so that the reinforced sealing structure of the opening of the plastic barrel can improve the sealing of the barrel mouth and improve the sealing stability of the material in the plastic barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the side cross-section structure of the end cover in the utility model;

[0015] Figure 3 This is a schematic diagram of the split structure of the end cover and the neck portion of the utility model;

[0016] Figure 4 for Figure 3 Schematic diagram of the local enlarged structure at point A in the middle.

[0017] In the figure: 1. plastic barrel; 2. end cover; 3. collar plate; 4. ribs; 5. sealing ring; 11. handle; 12. neck; 13. threaded groove; 31. reinforcing rib plate; 41. tear-away groove; 51. annular groove. DETAILED DESCRIPTION

[0018] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0019] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figure 1-4 The utility model provides a technical solution: a reinforced sealing structure for a plastic barrel opening, comprising a plastic barrel 1 and an end cover 2. The top of the plastic barrel 1 is integrally formed with a neck portion 12 by die-casting, and a threaded notch 13 is provided near the top of the neck portion 12;

[0022] A collar plate 3 is integrally formed at the middle of the outer periphery of the neck opening 12 by die pressing, a rib 4 is integrally formed between the collar plate 3 and the end cover 2 by die casting, a sealing ring 5 is installed outside the neck opening 12, and reinforcing rib plates 31 are formed at equal intervals on the circumference between the collar plate 3 and the neck opening 12 by die casting;

[0023] The plastic barrel 1 can be detachably installed through the material injection port through the internal thread of the end cover 2 and the external thread notch 13 of the neck portion 12, so that the material can be packaged and transported;

[0024] After the internal thread of the end cover 2 is threadedly connected with the external thread groove 13 of the neck portion 12, the top of the inner wall of the end cover 2 contacts the external sealing ring 5 of the neck portion 12 to form a sealing structure layer, and the external collar plate 3 of the neck portion 12 is firmly connected by multiple groups of reinforcing ribs 31, and the collar plate 3 and the end cover 2 are connected at breakpoints with easy-to-tear grooves 41 through ribs 4, so that the outside of the end cover 2 is firmly connected to the collar plate 3 to form a second sealing structure layer, so that the reinforced sealing structure of the opening of the plastic barrel 1 can improve the sealing of the barrel mouth and improve the sealing stability of the material in the plastic barrel 1.

[0025] Among them, handles 11 are respectively installed on both sides of the outside of the neck portion 12, and the handles 11 can facilitate the transportation of the plastic barrel 1.

[0026] Among them, the end cover 2 is installed on the threaded groove 13 outside the neck portion 12 through threaded cooperation, and an annular groove 51 is opened on the outside of the neck portion 12 near the threaded groove 13. The sealing ring 5 is clamped in the inner wall of the annular groove 51, and the top of the inner wall of the end cover 2 conflicts with the sealing ring 5 outside the threaded groove 13. After the internal thread of the end cover 2 is threadedly connected with the threaded groove 13 outside the neck portion 12, the top of the inner wall of the end cover 2 conflicts with the sealing ring 5 outside the neck portion 12 to form a sealing structure layer.

[0027] Among them, the joints between the lapel plate 3 and the ribs 4 and the joints between the end cover 2 and the ribs 4 are both provided with tear-away grooves 41, the lapel plate 3 outside the neck portion 12 is firmly connected by a plurality of groups of reinforcing ribs 31, and the lapel plate 3 and the end cover 2 are connected at breakpoints with tear-away grooves 41 through the ribs 4, so that the outside of the end cover 2 is firmly connected to the lapel plate 3 to form a second sealing structure layer, thereby achieving the goal that the reinforced sealing structure used for the opening of the plastic barrel 1 can improve the sealing of the barrel mouth and improve the sealing stability of the material in the plastic barrel 1.

[0028] Working principle: When in use, the plastic barrel 1 can be detachably installed through the material injection port through the internal thread of the end cover 2 and the external thread notch 13 of the neck portion 12;

[0029] After the internal thread of the end cover 2 is threadedly connected with the external thread groove 13 of the neck opening 12, the top of the inner wall of the end cover 2 and the external sealing ring 5 of the neck opening 12 are in contact with each other to form a sealing structure layer;

[0030] The outer collar plate 3 of the neck portion 12 is firmly connected by a plurality of groups of reinforcing rib plates 31, and the collar plate 3 and the end cover 2 are connected at breakpoints by ribs 4 with tear-away grooves 41, so that the outer part of the end cover 2 is firmly connected to the collar plate 3 to form a second sealing structure layer, so that the reinforced sealing structure of the opening of the plastic barrel 1 can improve the sealing of the barrel mouth and improve the sealing stability of the material in the plastic barrel 1.

[0031] 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 and modifications may be made to the embodiments without departing from the principles of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reinforced sealing structure for a plastic barrel opening, comprising a plastic barrel (1) and an end cover (2), characterized in that: The top of the plastic barrel (1) is integrally formed with a neck portion (12), a threaded notch (13) is provided on the periphery of the neck portion (12) near the top, a collar plate (3) is integrally formed in the middle of the periphery of the neck portion (12), ribs (4) are integrally formed between the collar plate (3) and the end cover (2), a sealing ring (5) is installed outside the neck portion (12), and reinforcing rib plates (31) are integrally formed at equal intervals on the circumference between the collar plate (3) and the neck portion (12).

2. A reinforced sealing structure for a plastic barrel opening according to claim 1, characterized in that: Handles (11) are respectively installed on both sides of the outside of the neck portion (12).

3. A reinforced sealing structure for a plastic barrel opening according to claim 1, characterized in that: The end cover (2) is mounted on the threaded notch (13) outside the neck portion (12) by threaded engagement.

4. A reinforced sealing structure for a plastic barrel opening according to claim 1, characterized in that: An annular groove (51) is provided on the outside of the neck portion (12) near the threaded notch (13), and the sealing ring (5) is clamped in the inner wall of the annular groove (51).

5. The reinforced sealing structure for a plastic barrel opening according to claim 1, characterized in that: The top of the inner wall of the end cover (2) abuts against the sealing ring (5) outside the threaded notch (13).

6. A reinforced sealing structure for a plastic barrel opening according to claim 1, characterized in that: The connection point between the collar plate (3) and the rib (4) and the connection point between the end cover (2) and the rib (4) are both provided with easy-tear grooves (41).

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