CN217171273U - Steel-plastic composite barrel - Google Patents
Steel-plastic composite barrel Download PDFInfo
- Publication number
- CN217171273U CN217171273U CN202220065638.3U CN202220065638U CN217171273U CN 217171273 U CN217171273 U CN 217171273U CN 202220065638 U CN202220065638 U CN 202220065638U CN 217171273 U CN217171273 U CN 217171273U
- Authority
- CN
- China
- Prior art keywords
- barrel
- connecting piece
- steel
- sealing
- plastic composite
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 27
- 238000002347 injection Methods 0.000 claims abstract description 14
- 239000007924 injection Substances 0.000 claims abstract description 14
- 238000009423 ventilation Methods 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 7
- 238000003466 welding Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 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
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
Landscapes
- Rigid Containers With Two Or More Constituent Elements (AREA)
Abstract
The utility model discloses a steel-plastic composite barrel in the field of packaging containers, which comprises a metal barrel body, a barrel mouth flange, a flexible inner bag, a connecting piece sealing ring, a barrel plug sealing ring and an outer sealing cover, wherein the inner wall of an embedded flange is provided with reverse internal threads, the embedded flange and a metal barrel top cover are riveted to form an injection barrel mouth, and the connecting piece is fixed on the embedded flange through reverse external threads; the bottom of the connecting piece is also a heat sealing surface, and the connecting piece and the flexible inner bag form a whole through heat sealing welding; through the reverse internal thread fit with the metal barrel filling opening, the connecting piece is fixed on the filling opening of the closed barrel, and through the fit of the connecting piece sealing ring, the sealing between the inner side of the metal barrel and the outer side of the flexible inner container is formed. The utility model has the advantages of stable structure, convenient replacement, reduced pollution, reduced cost, etc.
Description
Technical Field
The utility model relates to a compound bucket is moulded to steel in packaging container field.
Background
The metal closed barrel is usually adopted as a packaging container in the storage and transportation of liquid materials for the storage and transportation of the liquid materials, and the packaging container for storing and transporting harmful chemical liquid is usually treated as waste after being used once, so that the use cost is increased, and the environment protection is not facilitated. The plastic-steel composite barrel is adopted, the lining bag is arranged in the packaging container, so that the materials are isolated from the inner wall of the packaging container, the pollution to the metal barrel is avoided, the packaging container can be repeatedly used for many times by replacing the flexible inner bag, and the storage and transportation cost of the materials can be effectively reduced; in addition, when the container is filled with materials, material liquid can be remained at the bung hole, the bung hole can be bonded and adhered after the remained materials are condensed, and the internal thread and the external thread of the conventional connecting piece and the internal thread of the embedded flange are connected and fastened by positive threads, so that the connecting piece is easy to loosen when the bung is screwed off by force, and the flexible inner bag is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing a steel-plastic composite barrel with a reverse thread embedded flange, which can avoid the looseness of a connecting piece when being matched with a barrel opening part with reverse external threads and opening a barrel plug with forward threads. The utility model discloses a realize through following technical scheme:
the utility model provides a compound bucket is moulded to steel, includes that metal barrel body, embedded flange, connecting piece sealing washer, flexible inner bag, bung sealing washer, outer closing cap, ventilative mouthful bung and sealing washer, its characterized in that: the embedded flange is a bung connection flange, reverse internal threads are arranged on the inner wall of the embedded flange, the embedded flange and the metal bung top cover are riveted to form an injection bung, the connecting piece is provided with external threads and internal threads, the external threads are reverse threads, the internal threads are forward threads, the connecting piece is matched with the reverse internal threads of the embedded flange through the reverse external threads and is firmly fixed on an injection opening of the metal bung, and the connecting piece is matched with the forward external threads of the bung through the forward internal threads and forms sealing through a bung sealing ring; the flexible inner bag is arranged in the metal barrel body, the flexible inner bag and the heat sealing surface at the bottom of the connecting piece are welded into a whole, the opening of the flexible inner bag is formed by the connecting piece, and sealing is formed by matching with the barrel plug and the barrel plug sealing ring; the technical scheme is further explained as follows: a plurality of convex bodies capable of applying force are arranged on the concave platform at the top of the connecting piece, so that the connecting piece can be fastened on the injection opening of the steel-plastic composite barrel in a reverse direction; the technical scheme is further explained as follows: a plurality of reinforcing ribs are arranged between the inner tubular body and the outer tubular body of the connecting piece, and a blind hole structure is formed between each reinforcing rib and the corresponding tubular body; the technical scheme is further explained as follows: an outer sealing cover is arranged outside the filling opening of the steel-plastic composite barrel and clamped on the filling opening of the steel-plastic composite barrel; the technical scheme is further explained as follows: the steel-plastic composite barrel is provided with a ventilation port, and the ventilation port is matched with a ventilation port barrel plug to form the sealing of the ventilation port.
The utility model has the characteristics of rational in infrastructure, convenient to use and reduce cost etc.
Drawings
FIG. 1 is a schematic connection diagram of a steel-plastic composite barrel;
FIG. 2 is a view of an embedded flange structure;
FIG. 3 is a cross-sectional view of an embedded flange;
FIG. 4 is a view of the connector structure;
FIG. 5 is a top view of the connector;
FIG. 6 is a view of the bung;
FIG. 7 is a top view of the bung;
FIG. 8 is a view of the construction of the outer cap;
FIG. 9 is a top plan view of the outer cap;
fig. 10 is a schematic view of the flexible inner bag assembly.
In the figure: the sealing structure comprises a connecting piece 1, blind holes 1-1, an outer tubular body 1-2, an inner tubular body 1-3, reverse external threads 1-4, forward internal threads 1-5, a heat sealing surface 1-6, a connecting piece sealing ring 1-7, reinforcing ribs 1-8, a bung 2, a bung external threads 2-1, a bung sealing ring 2-2, an outer sealing cover 3, a metal closed-end drum 4, an injection port 4-1, injection port reverse threads 4-2, a ventilation port 4-3, ventilation port internal threads 4-4, a flexible inner bag 5, a ventilation port bung 6, an embedded flange 7 and reverse internal threads 7-1.
Detailed Description
The following description of the present invention is provided with reference to the accompanying drawings:
the structure diagram of the steel-plastic composite barrel comprises a connecting piece 1, blind holes 1-1, an outer tubular body 1-2, an inner tubular body 1-3, reverse external threads 1-4, forward internal threads 1-5, a heat sealing surface 1-6, a connecting piece sealing ring 1-7, reinforcing ribs 1-8, a barrel plug 2, barrel plug external threads 2-1, a barrel plug sealing ring 2-2, an outer sealing cover 3, a metal closed barrel 4, an injection opening 4-1, injection opening reverse threads 4-2, a ventilation opening 4-3, ventilation opening internal threads 4-4, a flexible inner bag 5, a ventilation opening barrel plug 6, an embedded flange 7 and reverse internal threads 7-1.
The steel-plastic composite barrel consists of a metal closed barrel and a flexible inner bag, wherein an embedded flange with reverse internal threads is arranged on the barrel opening of the metal closed barrel, and the reverse external threads of the connecting piece are matched with the reverse internal threads of the embedded flange, so that the connecting piece is stably fixed on the barrel opening of the metal barrel; a flexible inner bag is arranged in the metal barrel, the opening of the flexible inner bag is fixed on the opening of the barrel through a connecting piece, the bottom of the connecting piece is a heat sealing surface, the connecting piece and the lining bag are integrated through heat seal welding, and the tubular body in the connecting piece becomes the opening of the flexible inner bag; the inner wall of the tubular body of the connecting piece is provided with a forward internal thread which is matched with the corresponding barrel plug and the corresponding sealing ring to form the sealing of the flexible inner bag opening, the outer side pipe wall of the outer tubular body of the connecting piece is provided with a reverse external thread, the connecting piece is stably fixed on the injection opening of the metal barrel through the matching with the internal thread of the embedded flange, and the relative vacuum sealing between the inner side of the metal barrel body and the outer side of the flexible inner bag is formed to avoid the displacement between the inner side of the metal barrel body and the outer side of the flexible inner bag; a plurality of reinforcing ribs are arranged between the inner tubular body and the outer tubular body of the connecting piece, a blind hole structure is formed between the reinforcing ribs and the tubular body, and a plurality of convex bodies capable of applying force are arranged on the concave platform at the top of the connecting piece and can be used as acting points when the connecting piece is fastened by a special tool; an outer sealing cover is arranged outside the filling opening of the metal barrel and is clamped and sealed on the filling opening of the metal closed barrel; the metal closed barrel is provided with a ventilation port, an internal thread matched with the screw plug of the ventilation port is arranged in the ventilation port, and the ventilation port can be used as an air outlet and an air inlet when the flexible inner bag is installed and uninstalled.
The foregoing embodiments and description have been provided to illustrate the principles of the invention and, without departing from the spirit and scope of the invention, there are various changes and modifications that fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a compound bucket is moulded to steel, includes metal barrel body, embedded flange, connecting piece sealing washer, flexible inner bag, bung sealing washer, outer closing cap, ventilative mouthful bung and sealing washer, its characterized in that: the embedded flange is a bung hole connecting flange, reverse internal threads are arranged on the inner wall of the embedded flange, the embedded flange and the top cover of the metal barrel are riveted to form an injection bung hole of the metal barrel, the connecting piece is provided with external threads and internal threads, the external threads are designed to be reverse threads, the internal threads are designed to be forward threads, the connecting piece is matched with the reverse internal threads of the embedded flange through the reverse external threads and is stably fixed on an injection hole of the metal barrel, and the connecting piece is matched with the forward external threads of the bung through the forward internal threads and forms sealing through a bung sealing ring; the flexible inner bag is arranged in the metal barrel body, the flexible inner bag and the heat sealing surface at the bottom of the connecting piece are welded into a whole, the opening of the flexible inner bag is formed by the connecting piece, and sealing is formed by matching with the barrel plug and the barrel plug sealing ring.
2. The steel-plastic composite barrel according to claim 1, wherein: the concave platform at the top of the connecting piece is provided with a plurality of convex bodies capable of applying force, so that the connecting piece can be reversely fastened on the injection opening of the steel-plastic composite barrel.
3. The steel-plastic composite barrel according to claim 1, wherein: a plurality of reinforcing ribs are arranged between the inner tubular body and the outer tubular body of the connecting piece, and a blind hole structure is formed between the reinforcing ribs and the tubular bodies.
4. The steel-plastic composite barrel according to claim 1, wherein: an outer sealing cover is arranged outside an injection opening of the steel-plastic composite barrel, and the outer sealing cover is buckled on the injection opening of the steel-plastic composite barrel.
5. The steel-plastic composite barrel according to claim 1, wherein: the steel-plastic composite barrel is provided with a ventilation port, and the ventilation port is matched with a ventilation port barrel plug to form the sealing of the ventilation port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220065638.3U CN217171273U (en) | 2022-01-12 | 2022-01-12 | Steel-plastic composite barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220065638.3U CN217171273U (en) | 2022-01-12 | 2022-01-12 | Steel-plastic composite barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217171273U true CN217171273U (en) | 2022-08-12 |
Family
ID=82732604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220065638.3U Active CN217171273U (en) | 2022-01-12 | 2022-01-12 | Steel-plastic composite barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217171273U (en) |
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2022
- 2022-01-12 CN CN202220065638.3U patent/CN217171273U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |