Sealing structure of dangerous chemical outer package

Abstract

The utility model discloses a sealing structure for an outer package of dangerous chemicals, which comprises a sealing tank body, a tank cover is connected to a tank opening of the sealing tank body, and a sealing compression ring is fixed on the inner wall of the tank opening of the sealing tank body; by means of the sealing pressing ring, the pressing plate, the connecting assembly, the sealing rubber pad and the can cover, the pressing plate provided with the sealing rubber pad is movably installed on the inner side of the can cover through the connecting assembly, and the sealing pressing ring is fixed on the inner side of the port of the sealing can body. The can cover is screwed and assembled on the can opening through threads, in the assembling process, the pressing plate provided with the sealing rubber pad moves downwards to be close to the sealing pressing ring at the same time, finally the sealing rubber pad is attached to the sealing pressing ring, the can opening is sealed from the interior, and the situation that sealing is weakened due to the fact that gaps are generated when the can cover is screwed is effectively avoided. Therefore, the sealing effect is more remarkable and reliable.

Description

Technical Field

[0001] The utility model belongs to the technical field of sealing structures, and in particular relates to a sealing structure for outer packaging of hazardous chemicals. Background Art

[0002] Dangerous chemicals refer to highly toxic chemicals and other chemicals that have properties such as poison, corrosive, explosive, flammable, and combustion-supporting, and are harmful to the human body, facilities, and the environment. During their storage and transportation, in order to prevent them from leaking and causing damage to the external environment, they are packaged in sealed cans to achieve isolation of the chemicals.

[0003] When the existing sealed cans are used to package hazardous chemicals, the sealed cans are installed on the can ports by screwing the sealed cans, so as to seal the can ports. However, the following defects exist:

[0004] (1) When the can lid is screwed on the sealed can for hazardous chemical packaging, the can lid is assembled by screwing, and the screw connection is prone to gaps, which leads to poor sealing effect. For this reason, we propose a sealing structure for the outer packaging of hazardous chemicals. Utility Model Content

[0005] The utility model aims to provide a sealing structure for outer packaging of hazardous chemicals, so as to solve the problem that when the tank cover of the outer packaging tank structure of hazardous chemicals proposed in the above background technology is sealed by the tank cover, its sealing effect is limited by the connection method, resulting in poor sealing effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing structure for the outer packaging of hazardous chemicals, comprising a sealed can body, a can cover connected to the can mouth of the sealed can body, a sealing pressure ring fixed to the inner wall of the can mouth of the sealed can body, a connecting component fixed to the inner bottom end surface of the can cover, one end of the connecting component is connected to a pressure plate, a sealing rubber pad is arranged between the pressure plate and the sealing pressure ring, and the sealing rubber pad is fixed on the surface of the pressure plate.

[0007] Preferably, the connecting assembly consists of a connecting column and a connecting tube, and the connecting tube is sleeved on the outer wall of the connecting column.

[0008] Preferably, a limiting hole is provided on the side wall of the connecting column, a limiting column is arranged inside the limiting hole, and the limiting column is fixed on the inner wall of the connecting tube.

[0009] Preferably, the cross-sections of both the connecting column and the connecting tube are circular structures, and the central axes of the connecting column and the connecting tube coincide with each other.

[0010] Preferably, a spring is provided at the bottom end of the connecting column, and the spring is located inside the connecting tube.

[0011] Preferably, there are four connecting assemblies, and the four connecting assemblies are arranged in a circular array about the central axis of the tank cover.

[0012] Preferably, the cross section of the sealing pressure ring is a circular structure, and the inner wall of the sealing pressure ring is provided with an inner conical surface structure.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) Through the designed sealing pressure ring, pressure plate, connecting assembly, sealing rubber pad and tank cover, the pressure plate equipped with the sealing rubber pad is movably installed on the inner side of the tank cover through the connecting assembly, and the sealing pressure ring is fixed on the inner side of the port of the sealed tank body. When the packaging tank body structure is sealed through the tank cover, the tank cover is assembled on the tank mouth by screwing. During the assembly process, the pressure plate equipped with the sealing rubber pad is simultaneously moved down to approach the sealing pressure ring, and finally the sealing rubber pad is fitted on the sealing pressure ring, thereby realizing the sealing of the tank mouth from the inside, effectively avoiding the gap caused by the tank cover being screwed and the sealing being weakened, making the sealing effect of the utility model more significant and reliable, through the designed limiting hole and limiting column, the sliding limit of the connecting tube is prevented from falling off the connecting column, and through the designed spring, the elastic extrusion effect is applied to the connecting column to make it press down on the sealing rubber pad, ensuring that the fit with the sealing pressure ring is further tight, and further improving the sealing effect of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 For this utility model Figure 1 A in the enlarged view;

[0017] Figure 3 For this utility model Figure 2 The enlarged view of point B in the figure;

[0018] Figure 4 It is a three-dimensional diagram of the sealing pressure ring of the utility model;

[0019] Figure 5 This is a top view of the assembly of the connection assembly, the sealing rubber pad and the pressure plate of the utility model;

[0020] In the figure: 1. Sealing tank body; 2. Tank cover; 3. Sealing pressure ring; 4. Sealing rubber pad; 5. Pressure plate; 6. Connecting tube; 7. Limiting column; 8. Connecting column; 9. Limiting hole; 10. Spring; 11. Connecting assembly. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example

[0023] See also Figures 1 to 5 The utility model provides a technical solution: a sealing structure for the outer packaging of hazardous chemicals, comprising a sealed tank body 1, a tank cover 2 connected to the tank mouth of the sealed tank body 1, a sealing pressure ring 3 fixed to the inner wall of the tank mouth of the sealed tank body 1, a connecting component 11 fixed to the inner bottom end surface of the tank cover 2, one end of the connecting component 11 is connected to a pressing plate 5, a sealing rubber pad 4 is arranged between the pressing plate 5 and the sealing pressure ring 3, and the sealing rubber pad 4 is fixed on the surface of the pressing plate 5, the connecting component 11 is composed of a connecting column 8 and a connecting tube 6, through the designed sealing pressure ring 3, the pressing plate 5, the connecting component 11, the sealing rubber pad 4 and the tank cover 2, The pressure plate 5 equipped with the sealing rubber pad 4 is movably installed on the inner side of the tank cover 2 through the connecting assembly 11, and the sealing pressure ring 3 is fixed on the inner side of the port of the sealed tank body 1. When the packaging tank body structure is sealed by the tank cover 2, the tank cover 2 is assembled on the tank mouth by screwing. During the assembly process, the pressure plate 5 equipped with the sealing rubber pad 4 is simultaneously moved down to approach the sealing pressure ring 3, and finally the sealing rubber pad 4 is fitted on the sealing pressure ring 3, thereby realizing the sealing of the tank mouth from the inside, effectively avoiding the gap caused by the tank cover 2 being screwed and the sealing being weakened, so that the sealing effect of the utility model is more significant and reliable, and the connecting tube 6 is sleeved on the outer wall of the connecting column 8.

[0024] In this embodiment, preferably, a limiting hole 9 is opened on the side wall of the connecting column 8, and a limiting column 7 is arranged on the inner side of the limiting hole 9. Through the designed limiting hole 9 and limiting column 7, the connecting tube 6 is limited in sliding to prevent it from falling off the connecting column 8. The limiting column 7 is fixed on the inner wall of the connecting tube 6. The cross-sections of the connecting column 8 and the connecting tube 6 are both circular structures, and the central axes of the connecting column 8 and the connecting tube 6 coincide with each other. A spring 10 is arranged at the bottom end of the connecting column 8. Through the designed spring 10, an elastic extrusion effect is applied to the connecting column 8 to press down the sealing rubber pad 4 to ensure that the fit with the sealing pressure ring 3 is further tight, thereby further improving the sealing effect of the utility model. The spring 10 is located inside the connecting tube 6. There are four connecting components 11, and the four connecting components 11 are in a circular array with respect to the central axis of the tank cover 2. The cross-section of the sealing pressure ring 3 is a circular structure, and the inner wall of the sealing pressure ring 3 is provided with an inner conical surface structure.

[0025] The working principle and use process of the utility model are as follows: the utility model movably installs the pressure plate 5 equipped with the sealing rubber pad 4 on the inner side of the tank cover 2 through the connecting component 11, and the sealing pressure ring 3 is fixed on the inner side of the port of the sealed tank body 1. When the packaging tank body structure is sealed by the tank cover 2, the tank cover 2 is assembled on the tank mouth by screwing. During the assembly process, the pressure plate 5 equipped with the sealing rubber pad 4 is simultaneously moved down to approach the sealing pressure ring 3, and finally the sealing rubber pad 4 is fitted on the sealing pressure ring 3. At the same time, the spring 10 exerts an elastic squeezing effect on the connecting column 8, so that it presses the sealing rubber pad 4 downward to ensure that the fit with the sealing pressure ring 3 is further tight, further improving the sealing effect of the utility model, and then realizing the sealing of the tank mouth from the inside, effectively avoiding the gap caused by screwing the tank cover 2 and weakening the seal, making the sealing effect of the utility model more significant and reliable.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealing structure for outer packaging of hazardous chemicals, comprising a sealed tank body (1), wherein a tank cover (2) is connected to the tank mouth of the sealed tank body (1), and characterized in that: A sealing pressure ring (3) is fixed to the inner wall of the mouth of the sealed tank body (1), a connecting component (11) is fixed to the inner bottom end surface of the tank cover (2), one end of the connecting component (11) is connected to a pressure plate (5), a sealing rubber pad (4) is arranged between the pressure plate (5) and the sealing pressure ring (3), and the sealing rubber pad (4) is fixed on the surface of the pressure plate (5).

2. The sealing structure for outer packaging of hazardous chemicals according to claim 1, characterized in that: The connecting assembly (11) is composed of a connecting column (8) and a connecting tube (6), and the connecting tube (6) is sleeved on the outer wall of the connecting column (8).

3. The sealing structure for outer packaging of hazardous chemicals according to claim 2, characterized in that: A limiting hole (9) is provided on the side wall of the connecting column (8), a limiting column (7) is arranged inside the limiting hole (9), and the limiting column (7) is fixed on the inner wall of the connecting cylinder (6).

4. The sealing structure for outer packaging of hazardous chemicals according to claim 3, characterized in that: The cross sections of the connecting column (8) and the connecting tube (6) are both circular structures, and the central axes of the connecting column (8) and the connecting tube (6) coincide with each other.

5. The sealing structure for outer packaging of hazardous chemicals according to claim 4, characterized in that: A spring (10) is provided at the bottom end of the connecting column (8), and the spring (10) is located inside the connecting tube (6).

6. The sealing structure for outer packaging of hazardous chemicals according to claim 1, characterized in that: There are four connecting assemblies (11), and the four connecting assemblies (11) are arranged in a circular array about the central axis of the tank cover (2).

7. The sealing structure for outer packaging of hazardous chemicals according to claim 1, characterized in that: The cross section of the sealing pressure ring (3) is a circular structure, and the inner wall of the sealing pressure ring (3) is provided with an inner conical surface structure.

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