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Double-mouth barrel with multi-seal structure

A technology of sealing structure and sealing ring, which is applied in the field of double-mouth barrels, can solve problems such as environmental user injury, liquid leakage in the barrel, and positional deviation of the barrel mouth sealing ring, so as to reduce the risk of loosening and ease the deformation of the barrel body , to achieve the effect of barrel mouth sealing

Active Publication Date: 2020-12-29
杭州科百特半导体分离膜有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the storage and transportation process of the existing liquid storage and transportation barrels, when the bung is screwed into the mouth of the bung, the extrusion force of the bung is used to press the sealing ring into the mouth of the bung to realize the sealing of the bung. Or during use, due to the mutual collision of the barrel body or the falling and rolling of the barrel body, the thread fit between the barrel plug and the barrel mouth will be loosened, and the position of the barrel mouth sealing ring will be shifted and will not be tightly maintained. This will cause the liquid stored and transported in the barrel to leak easily because the mouth of the barrel is not tightly sealed, and at the same time, external air will also enter the barrel, resulting in changes in the properties of the liquid in the barrel, especially the liquid stored and transported in the barrel When it is chemically toxic or volatile, it will cause unnecessary harm to the environment or users
[0003] In addition, the bottom of the liquid storage and transportation barrel is generally flat. When a dip tube is inserted into the barrel mouth, the shaking of the barrel body during transportation will cause the dip tube to shake and lead to loosening of the threaded fit between the barrel mouth and the barrel plug. It will also cause the liquid in the barrel to leak due to the lax seal of the barrel body

Method used

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  • Double-mouth barrel with multi-seal structure
  • Double-mouth barrel with multi-seal structure
  • Double-mouth barrel with multi-seal structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] like figure 1 As shown, the double-port barrel with multiple sealing structures includes a barrel body 30, the barrel body 30 has a barrel top 20 and a barrel bottom 40, and the barrel top 20 is provided with a barrel mouth 205 for injecting liquid and an air pressure balance port 203, the barrel top 20 has a raised edge 201 extending along its periphery, and a barrel plug 206 is threaded on the barrel mouth 205, and the barrel plug 206 includes a plug body and a rod section connected to the plug body, The bung is also provided with a dip tube coaxial with the rod section, and a sealing plug 21 is sealed on the top port of the dip tube; the inner wall of the bung mouth has an upper step surface and a lower step surface, and the upper step surface Between the lower step surface is an internal thread section, the rod section includes an upper rod section and a lower rod section threaded with the above-mentioned internal thread section, the thread section is threaded with ...

Embodiment 2

[0043] The overall structure of the double-mouth barrel of embodiment 2 is the same as that of embodiment 1, except that the multi-sealing structure between the barrel mouth and the bung is different, specifically as Figure 4 Shown:

[0044] A horizontal upper sealing surface 52 is formed between the upper step surface of the inner wall of the barrel mouth and the upper rod section of the bung, and a first sealing ring 51 is set on the upper rod section of the bung, and the first sealing ring 51 seals the upper sealing surface 52 A radial sealing surface 56 is formed between the lower rod section of the bung and the inner wall of the bung mouth below the lower step surface, a groove 57 is arranged on the lower rod section of the bung, and the third sealing ring 55 is sleeved in the groove 57 Above, the third sealing ring 55 seals the radial sealing surface.

[0045] In the double-mouth barrel with the above-mentioned multi-sealing structure, the horizontal sealing surface fo...

Embodiment 3

[0048] The overall structure of the double-mouth barrel of embodiment 3 is the same as that of embodiment 1, except that the multi-sealing structure between the mouth of the barrel and the bung is different, specifically as Figure 5 Shown:

[0049] A horizontal lower sealing surface 54 is formed between the lower step surface of the inner wall of the barrel mouth and the upper rod section of the bung, and a second sealing ring 53 is set on the upper rod section of the bung, and the second sealing ring 53 seals the lower sealing surface 54; at the same time, a radial sealing surface 56 is formed between the lower rod section of the bung bung and the inner wall surface of the bung mouth below the lower step surface, a groove 57 is arranged on the lower bung section of the bung bung, and the third sealing ring 55 is sleeved on this On the groove 57, the third sealing ring 55 seals the radial sealing surface.

[0050] For the double-mouth barrel with the above-mentioned multi-se...

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PUM

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Abstract

The invention discloses a dual-opening bucket of a multi-seal structure. A bucket body comprises a bucket top and a bucket bottom, the bucket top and the bucket bottom are provided with a liquid injecting and taking bucket opening and an air pressure balance opening; the bucket top extends along the periphery to form a protruding edge, the inner wall of the bucket opening is provided with an innerthread segment, an upper step face and a lower step face are arranged on the inner thread segment, the bucket opening is provided with a bucket plug which is provided with a plug body and a rod segment connected with the plug body, and the rod segment comprises an upper rod segment and a lower rod segment which are in threaded fit with the inner thread segment. According to the seal structure between the bucket opening and the bucket plug, the upper rod segment is provided with a first seal ring in a sleeving manner to seal the upper seal face between the upper rod segment and the upper stepface or the upper rod segment is provided with a second seal ring in a sleeving manner to seal the lower seal face between the upper rod segment and the lower step face or the lower rod segment is provided with a third seal ring in a sleeving manner to seal the radial seal face formed between the lower rod segment and the bucket opening inner wall face on the lower step face. Multi-seal structureis adopted in the dual-opening bucket opening, and seal and safety of bucket body storage and transportation can be greatly improved.

Description

technical field [0001] The invention relates to a liquid storage container, in particular to a double-mouth barrel with a multi-sealing structure. Background technique [0002] In the storage and transportation process of the existing liquid storage and transportation barrels, when the bung is screwed into the mouth of the bung, the extrusion force of the bung is used to press the sealing ring into the mouth of the bung to realize the sealing of the bung. Or during use, due to the mutual collision of the barrel body or the falling and rolling of the barrel body, the thread fit between the barrel plug and the barrel mouth will be loosened, and the position of the barrel mouth sealing ring will be shifted and will not be tightly maintained. This will cause the liquid stored and transported in the barrel to leak easily because the mouth of the barrel is not tightly sealed, and at the same time, external air will also enter the barrel, resulting in changes in the properties of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D53/02B65D21/032B65D47/06B65D51/16B65D39/00
CPCB65D21/0209B65D39/00B65D47/06B65D51/16B65D53/02
Inventor 包中平朱朋飞
Owner 杭州科百特半导体分离膜有限公司