CN216862100U - Container mouth connecting piece - Google Patents
Container mouth connecting piece Download PDFInfo
- Publication number
- CN216862100U CN216862100U CN202220012648.0U CN202220012648U CN216862100U CN 216862100 U CN216862100 U CN 216862100U CN 202220012648 U CN202220012648 U CN 202220012648U CN 216862100 U CN216862100 U CN 216862100U
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- China
- Prior art keywords
- tubular body
- container
- connecting piece
- wall
- opening
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- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 238000004806 packaging method and process Methods 0.000 abstract description 7
- 238000012856 packing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a container mouth connecting piece in the technical field of packaging, which is arranged on a filling opening of a container and is characterized in that: the connecting piece is a tubular body, the upper part of the tubular body is a clamping end, the middle part of the tubular body is a necking end, the lower part of the tubular body is an annular heat sealing surface, the clamping end at the upper part of the tubular body is provided with a positioning pin (groove), and the positioning pin (groove) is buckled on the container filling opening through the matching of a positioning groove (pin) corresponding to the inner wall of the container opening; the necking end in the middle of the tubular body enables an annular exhaust groove to be formed between the outer wall of the connecting piece and the inner wall of the injection opening; the annular heat-sealing surface at the lower part of the tubular body is connected with the mouth of the lining bag in a heat-sealing way. The utility model has the advantages of simple structure, convenient use, low cost and the like.
Description
Technical Field
The utility model relates to a container mouth connecting piece in the technical field of packaging.
Background
In the storage and transportation of liquid materials, particularly harmful chemical liquids, the packaging container is usually treated as waste after being used once, so that the use cost is increased, and the environment is not favorable. The prior art is that a lining bag is arranged in a packaging container to isolate materials from the inner wall of the packaging container, and the packaging container can be repeatedly used for many times by replacing the lining bag, so that the storage and transportation cost of the materials can be effectively reduced. The technical problem that this patent will be solved is how to make the interior lining bag pass through the bung hole connecting piece and be connected with the firm location of container filling opening, and the lining bag is prevented from removing the damaged problem of lining bag that causes in the container at the gas between the interior wall of the interior lining bag of the in-process of feeding simultaneously and container.
Disclosure of Invention
The utility model aims to provide a bung connection piece which is used for positioning connection on a container filling opening and has relative air exhaust function.
The utility model is realized by the following technical scheme:
the utility model provides a container mouth connecting piece, the connecting piece is installed on the filling opening of container which characterized in that: the connecting piece is a tubular body, the upper part of the tubular body is a clamping end, the middle part of the tubular body is a necking end, the lower part of the tubular body is an annular heat sealing surface, the clamping end on the upper part of the tubular body is provided with a positioning pin, and the positioning pin can stably clamp the connecting piece on a container filling opening through the matching of a positioning groove corresponding to the inner wall of the container opening; the necking end in the middle of the tubular body forms an annular exhaust groove between the outer wall of the connecting piece and the inner wall of the injection opening; the annular heat-sealing surface at the lower part of the tubular body is connected with the mouth of the lining bag in a heat-sealing way; the technical scheme is further explained as follows: a sealing ring is arranged between the upper connecting end of the tubular body and the upper end surface of the injection opening; the technical scheme is further explained as follows: the annular heat sealing surface at the lower part of the tubular body is the bottom or the inner side or the outer side of the tubular body; the technical scheme is further explained as follows: the clamping end on the upper part of the tubular body is provided with a positioning groove, and the connecting piece can be stably buckled on the container filling opening through the matching of the positioning pin corresponding to the inner wall of the container opening.
The utility model has the characteristics of simple structure, convenient use, low cost and the like.
Drawings
FIG. 1 is a sectional view of a barrel mouth connector structure;
FIG. 2 is an enlarged view of a portion of the connector;
FIG. 3 is a bottom view of the connector;
FIG. 4 is a sectional view of the liner bag and the connector assembly;
FIG. 5 is a cross-sectional view of a packaging container;
FIG. 6 is a side cross-sectional view of the internally threaded outer cap;
FIG. 7 is a sectional view of the container at the side of the male screw injection port;
fig. 8 is a drawing applied to a bung connection.
In the figure: the packing container comprises a lining bag 1, an external thread filling opening packing container shell 2, a connecting piece 3, a positioning pin 3-1, a sealing ring 3-2, a connecting piece upper portion 3-3, a connecting piece middle portion 3-4, a connecting piece lower portion 3-5, a bottom annular heat sealing surface 3-6, a packing container external thread filling opening 4, a container filling opening external thread 4-1, a rotation stopping tooth 4-2, a positioning groove 4-3, an internal thread outer cover 5, a sealing gasket 5-1, an internal thread 5-2 and an anti-theft ring 5-3.
Detailed Description
The technical scheme of the utility model is further explained by combining the accompanying drawings as follows:
as shown in the figure, the structure diagram and the application example of the container mouth connecting piece are shown, the container mouth connecting piece is of a tubular structure, the upper part of the tubular body is a clamping end, the middle part of the tubular body is a necking end, the lower part of the tubular body is an annular heat sealing surface, the annular body at the lower part of the connecting piece is connected with the lining bag through heat sealing welding to form an integral structure, and the lining bag is placed into a container through a container filling opening after being folded; the clamping end at the upper part of the tubular body is clamped on the filling opening through interference tight fit, positioning pins (grooves) are arranged on the clamping end surface at the upper part of the tubular body, the number of the positioning pins (grooves) is 1 or more than 2, and the positioning pins (grooves) are clamped on positioning grooves (pins) corresponding to the inner wall of the filling opening of the container; the necking end in the middle of the tubular body enables the outer wall of the connecting piece and the inner wall of the injection port to form a relative annular exhaust groove, the connecting piece is placed on the injection port of the container in the charging process, a certain gap is reserved between the connecting piece and the injection port, the lining bag is unfolded along with the injection of gas, the gas between the inner wall of the container and the lining bag is exhausted from the injection port through the exhaust groove, after the charging is finished, the barrel port connecting piece is pressed down, the positioning and the fixing are realized through the positioning pin (groove), the vacuum sealing between the inner wall of the container and the lining bag is realized through the sealing ring at the upper clamping end of the upper part of the tubular body and the upper end surface of the injection port, and the lining bag is not easy to generate displacement in the container; the filling opening of the container is provided with a threaded outer cover, the outer cover is connected to the filling opening of the container through threads, and the outer cover seals the filling opening.
The technical solutions of the present invention are described above, and modifications within the spirit of the technical solutions of the present invention by those skilled in the art are considered to be equivalent substitutions and are within the scope of the present invention.
Claims (4)
1. The utility model provides a container mouth connecting piece, the connecting piece is installed on the filling opening of container which characterized in that: the connecting piece is a tubular body, the upper part of the tubular body is a clamping end, the middle part of the tubular body is a necking end, the lower part of the tubular body is an annular heat sealing surface, the clamping end on the upper part of the tubular body is provided with a positioning pin, and the positioning pin can stably clamp the connecting piece on a container filling opening through the matching of a positioning groove corresponding to the inner wall of the container opening; the necking end in the middle of the tubular body forms an annular exhaust groove between the outer wall of the connecting piece and the inner wall of the injection opening; the annular heat-sealing surface at the lower part of the tubular body is connected with the mouth of the lining bag in a heat-sealing way.
2. A container finish attachment according to claim 1, wherein: and a sealing ring is arranged between the upper connecting end of the tubular body and the upper end surface of the injection opening.
3. A container finish attachment according to claim 1, wherein: the annular heat sealing surface at the lower part of the tubular body is the bottom or the inner side or the outer side of the tubular body.
4. A container finish attachment according to claim 1, wherein: the clamping end on the upper part of the tubular body is provided with a positioning groove, and the connecting piece can be stably buckled on the container filling opening through the matching of the positioning pin corresponding to the inner wall of the container opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220012648.0U CN216862100U (en) | 2022-01-05 | 2022-01-05 | Container mouth connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220012648.0U CN216862100U (en) | 2022-01-05 | 2022-01-05 | Container mouth connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216862100U true CN216862100U (en) | 2022-07-01 |
Family
ID=82151795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220012648.0U Active CN216862100U (en) | 2022-01-05 | 2022-01-05 | Container mouth connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216862100U (en) |
-
2022
- 2022-01-05 CN CN202220012648.0U patent/CN216862100U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |