High-performance sealing plastic bucket

By setting external threads and multi-layer sealing surfaces at the barrel opening of the plastic barrel body, especially the semicircular projection of the third sealing surface, the problem of poor sealing effect of traditional plastic barrels is solved, and higher sealing reliability is achieved and leak-proof effect.

CN222523213UActive Publication Date: 2025-02-25LIANGHE PACKAGING (ZHEJIANG) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421365901.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-15
Publication Date
2025-02-25
Estimated Expiration
2034-06-15

AI Technical Summary

Technical Problem

Traditional plastic barrels have poor sealing effect when liquid is stored or transported for a long time, which can easily lead to liquid leakage or volatility.

Method used

The first sealing surface, second sealing surface and third sealing surface extending in different directions are provided at the barrel opening of the plastic barrel body, forming a multi-layer sealing structure, especially the half on the top side of the third sealing surface Round protrusions enhance sealing effect.

Benefits of technology

It achieves higher seal reliability, effectively prevents liquid leakage, and improves the overall sealing effect.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222523213U_ABST
    Figure CN222523213U_ABST
Patent Text Reader

Abstract

The utility model discloses a high-performance sealing plastic barrel which comprises a barrel body and a barrel cover, a barrel opening is formed in the top of the barrel body, external threads are arranged on the outer side wall of the barrel opening, a first sealing face extending in the vertical direction is arranged on the inner side wall of the barrel opening, and the bottom of the first sealing face is connected with a second sealing face extending in the inclined direction. The bottom of the second sealing face is connected with a third sealing face extending in the vertical direction, and a semicircular protruding part is arranged on one side of the top of the third sealing face. The barrel opening of the barrel body is provided with an external thread, the inner side wall of the barrel cover is provided with an internal thread connected with the external thread in a matched mode, the inner top of the barrel cover is fixedly connected with a sealing part, the barrel opening of the barrel body is provided with the external thread, and the first sealing face, the second sealing face and the third sealing face extend in different directions, so that a multi-layer sealing structure between the barrel body and the barrel cover is achieved; particularly, the sealing effect is enhanced through the semicircular protruding part on one side of the top of the third sealing face, liquid leakage is effectively prevented, and the sealing reliability is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of plastic barrel production, in particular to a high-performance sealed plastic barrel. Background Art

[0002] As a common container for storing and transporting liquids or solid materials, plastic barrels are widely used in many fields such as industry, agriculture, and daily life. Traditional plastic barrels usually consist of a barrel body and a barrel cover, and the barrel cover is threaded to fit the barrel mouth of the barrel body to achieve sealing. However, the barrel mouth and barrel cover of traditional plastic barrels are usually designed with only a simple flat sealing surface. This design is difficult to ensure a good sealing effect when facing long-term storage or transportation of liquids, and is prone to liquid leakage or volatilization.

[0003] Based on the above situation, the utility model proposes a high-performance sealed plastic barrel, which can effectively solve the above problems. Utility Model Content

[0004] The utility model aims to provide a high-performance sealed plastic barrel. The utility model provides a high-performance sealed plastic barrel, which realizes a multi-level sealing structure between the barrel cover and the barrel mouth by arranging an external thread at the barrel mouth, and a first sealing surface, a second sealing surface and a third sealing surface extending in different directions, especially a semicircular protrusion on one side of the top of the third sealing surface, which enhances the sealing effect, effectively prevents liquid leakage, and improves the reliability of the seal.

[0005] The utility model is realized by the following technical solutions:

[0006] A high-performance sealed plastic barrel comprises a barrel body and a barrel cover, wherein a barrel mouth is arranged on the top of the barrel body, an outer side wall of the barrel mouth is arranged on the outer side wall of the barrel mouth is arranged on the inner side wall of the barrel mouth is arranged on the first sealing surface extending in the vertical direction, a second sealing surface extending in the inclined direction is connected to the bottom of the first sealing surface, a third sealing surface extending in the vertical direction is connected to the bottom of the second sealing surface, and a semicircular protrusion is arranged on one side of the top of the third sealing surface; an inner side wall of the barrel cover is arranged on the inner side wall of the barrel cover is connected with an inner thread matched with the outer thread, an inner top of the barrel cover is fixedly connected with a sealing part, and the outer side surface of the sealing part is sealed and matched with the first sealing surface, the second sealing surface and the third sealing surface.

[0007] According to the above technical solution, as a further preferred technical solution of the above technical solution, the outer side surface of the sealing portion is provided with a fourth sealing surface that seals with the first sealing surface, a fifth sealing surface that seals with the second sealing surface, and a sixth sealing surface that seals with the third sealing surface.

[0008] According to the above technical solution, as a further preferred technical solution of the above technical solution, the sixth sealing surface is provided with a groove that cooperates with the protrusion; and the bottom of the sixth sealing surface is provided with a chamfer.

[0009] According to the above technical solution, as a further preferred technical solution of the above technical solution, mounting ears are fixedly connected to both sides of the barrel body, and a carrying handle is rotatably connected between the two mounting ears.

[0010] According to the above technical solution, as a further preferred technical solution of the above technical solution, a rubber sleeve is sleeved on the outer wall of the top end of the carrying handle.

[0011] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0012] The utility model provides a high-performance sealed plastic barrel, which realizes a multi-level sealing structure between the barrel cover and the barrel body by arranging an external thread on the barrel mouth, and a first sealing surface, a second sealing surface and a third sealing surface extending in different directions, especially a semicircular protrusion on one side of the top of the third sealing surface, which enhances the sealing effect, effectively prevents liquid leakage and improves the reliability of the seal. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0014] Figure 2 This is a schematic diagram of the barrel mouth structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the barrel cover structure of the utility model. DETAILED DESCRIPTION

[0016] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments. However, it should be understood that the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationship described in the drawings is only used for illustrative purposes and cannot be understood as a limitation on this patent.

[0017] A high-performance sealed plastic barrel comprises a barrel body 1 and a barrel cover 2, wherein a barrel mouth 11 is arranged on the top of the barrel body 1, an outer side wall of the barrel mouth 11 is arranged on the outer side wall of the barrel mouth 11, a first sealing surface 13 extending in a vertical direction is arranged on the inner side wall of the barrel mouth 11, a second sealing surface 14 extending in an inclined direction is connected to the bottom of the first sealing surface 13, a third sealing surface 15 extending in a vertical direction is connected to the bottom of the second sealing surface 14, and a semicircular protrusion 16 is arranged on one side of the top of the third sealing surface 15; an inner side wall of the barrel cover 2 is arranged on the inner side wall of the barrel cover 2, and an inner top of the barrel cover 2 is fixedly connected to a sealing portion 22, and the outer side surface of the sealing portion 22 is sealingly matched with the first sealing surface 13, the second sealing surface 14 and the third sealing surface 15.

[0018] The utility model realizes a multi-level sealing structure between the barrel cover 2 by designing an external thread 12 on the barrel mouth 11 of the barrel body 1, and a first sealing surface 13, a second sealing surface 14 and a third sealing surface 15 extending in different directions, especially a semicircular protrusion 16 on one side of the top of the third sealing surface 15, which enhances the sealing effect, effectively prevents liquid leakage, and improves the reliability of the seal.

[0019] Further, in another embodiment, the outer side surface of the sealing portion 22 is provided with a fourth sealing surface 23 that is sealed with the first sealing surface 13, a fifth sealing surface 24 that is sealed with the second sealing surface 14, and a sixth sealing surface 25 that is sealed with the third sealing surface 15. The outer side surface of the sealing portion 22 is provided with a fourth sealing surface 23, a fifth sealing surface 24 and a sixth sealing surface 25 that are respectively matched with the sealing surfaces of the barrel body 1. Such a design provides a more precise and tight sealing match, ensures the sealing performance in different directions, and further improves the overall sealing effect.

[0020] Furthermore, in another embodiment, the sixth sealing surface 25 is provided with a groove 26 that is connected with the protrusion 16; and the bottom of the sixth sealing surface 25 is provided with a chamfer 27. The groove 26 provided on the sixth sealing surface 25 is connected with the protrusion 16 on the barrel body 1, so that the seal between the barrel cover 2 and the barrel body 1 is tighter. The chamfer 27 design at the bottom of the sixth sealing surface 25 helps to reduce stress concentration, prolong the service life of the sealing surface, and also facilitates the installation and removal of the barrel cover.

[0021] Further, in another embodiment, mounting ears 3 are fixedly connected to both sides of the barrel body 1, and a carrying handle 4 is rotatably connected between the two mounting ears 3. By providing the mounting ears 3 and the carrying handle 4, the user can easily carry and move the plastic barrel, thereby improving the convenience of use.

[0022] Furthermore, in another embodiment, the top outer wall of the carrying handle 4 is sleeved with a rubber sleeve 5. The rubber sleeve not only increases the comfort when carrying, avoids hand discomfort, but also provides a better grip and anti-slip effect. The use of the rubber sleeve also helps to protect the carrying handle and extend its service life.

[0023] According to the description and drawings of the utility model, those skilled in the art can easily manufacture or use a high-performance sealed plastic barrel of the utility model, and can produce the positive effects recorded in the utility model.

[0024] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationships are based on the orientation or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in conjunction with the drawings and according to specific circumstances.

[0025] Unless otherwise specified and limited, in the present invention, the terms "disposed", "connected" and "connected" 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 directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A high-performance sealed plastic barrel, characterized by: The invention comprises a barrel body (1) and a barrel cover (2), wherein the top of the barrel body (1) is provided with a barrel mouth (11), the outer side wall of the barrel mouth (11) is provided with an external thread (12), the inner side wall of the barrel mouth (11) is provided with a first sealing surface (13) extending in a vertical direction, the bottom of the first sealing surface (13) is connected with a second sealing surface (14) extending in an inclined direction, the bottom of the second sealing surface (14) is connected with a third sealing surface (15) extending in a vertical direction, and a semicircular protrusion (16) is provided on one side of the top of the third sealing surface (15); the inner side wall of the barrel cover (2) is provided with an internal thread (21) matched with the external thread (12), the inner top of the barrel cover (2) is fixedly connected with a sealing portion (22), and the outer side surface of the sealing portion (22) is sealed and matched with the first sealing surface (13), the second sealing surface (14) and the third sealing surface (15).

2. A high performance sealed plastic barrel according to claim 1, characterized in that: The outer side surface of the sealing portion (22) is provided with a fourth sealing surface (23) which is in sealing cooperation with the first sealing surface (13), a fifth sealing surface (24) which is in sealing cooperation with the second sealing surface (14), and a sixth sealing surface (25) which is in sealing cooperation with the third sealing surface (15).

3. A high performance sealed plastic barrel according to claim 2, characterized in that: The sixth sealing surface (25) is provided with a groove (26) that is matched and connected with the protruding portion (16); and the bottom of the sixth sealing surface (25) is provided with a chamfer (27).

4. The high-performance sealed plastic barrel according to claim 1, characterized in that: Mounting ears (3) are fixedly connected to both sides of the barrel body (1), and a carrying handle (4) is rotatably connected between the two mounting ears (3).

5. A high performance sealed plastic barrel according to claim 4, characterized in that: The top outer wall of the carrying handle (4) is sleeved with a rubber sleeve (5).