CN202481490U - Screw plug waterproof cover for barrel - Google Patents
Screw plug waterproof cover for barrel Download PDFInfo
- Publication number
- CN202481490U CN202481490U CN2012200340620U CN201220034062U CN202481490U CN 202481490 U CN202481490 U CN 202481490U CN 2012200340620 U CN2012200340620 U CN 2012200340620U CN 201220034062 U CN201220034062 U CN 201220034062U CN 202481490 U CN202481490 U CN 202481490U
- Authority
- CN
- China
- Prior art keywords
- plug screw
- watertight cover
- bucket
- annular groove
- screw plug
- Prior art date
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a screw plug waterproof cover for a packing barrel. The screw plug waterproof cover for the barrel comprises a cover body, and a concave hole which matches with the screw plug is arranged on the cover body. The screw plug waterproof cover for the barrel is characterized in that a root of the concave hole is provided with an annular groove, and a transverse of the annular groove is in a circular arc shape which surpasses a semicircle. The screw plug waterproof cover for the barrel is simple and ingenious in structure and good in sealing property, can play roles of sealing and water-resistance even under the circumstance of large temperature difference, and is convenient to open.
Description
Technical field
The utility model belongs to the Steel Drum Packaging technical field, relates to a kind of bucket that is used on the packing barrel and uses the plug screw watertight cover.
Background technology
The inlet of current packaging bucket and ventilation mouth structure mainly is that bung flange, the riveting bung flange riveted by bung forms, and the riveting bung flange is riveted on the bung flange.The general user is tightened in plug screw to realize sealing on the riveting bung flange, is furnished with watertight cover usually and protects the cleanliness level at plug screw position to comprise anti-steam; Also have certain customers before can, to open plug screw only to cover the watertight cover plug screw of just screwing that after can well, rolled off the production line, cleaning in this process in the bucket and waterproof all need be guaranteed by the watertight cover that covers at oral area.Because existing watertight cover is simple in structure, sealing property is not good, does not have the effect of water-proff packing and cleaning; And under the bigger situation of the temperature difference, bung can cave inward because of negative pressure, causes that plug screw and watertight cover also tilt simultaneously to the inside, causes the cleaning and the anti-steam effect of existing common plug screw watertight cover bad.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the prior art, provides a kind of bucket of simple and ingenious structure to use the plug screw watertight cover, and its good seal performance even under the bigger situation of the temperature difference, also can play the water-tight effect, and is opened conveniently.
The technical scheme that provides according to the utility model; Bucket is used the plug screw watertight cover, comprises lid, and lid is provided with the shrinkage pool that matches with plug screw; It is characterized in that: the root of said shrinkage pool is provided with an annular groove, and the transverse shape of said annular groove is the circular arc that surpasses semicircle.
As the further improvement of the utility model, the diameter of said annular groove is than the little 0.8 ~ 10mm of maximum outside diameter of riveting bung flange.
As the further improvement of the utility model, the radius of the circular arc transversal surface of said annular groove is 2.5mm.
As the further improvement of the utility model, said watertight cover adopts government rubber or silastic material to process.
As the further improvement of the utility model, said lid edge is provided with outward extending monaural, so that the unlatching of watertight cover.
As the further improvement of the utility model, the opening edge of said shrinkage pool is convenient to watertight cover is covered to plug screw along being provided with 45 ° of chamferings.
The utility model compared with prior art, advantage is: the utility model simple and ingenious structure, good seal performance, even under the bigger situation of the temperature difference, also can play the water-tight effect, and open convenient.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the structure birds-eye view of Fig. 1.
The specific embodiment
Below in conjunction with concrete accompanying drawing and embodiment the utility model is described further.
As shown in the figure: the bucket among the embodiment adopts government rubber or silastic material to process with the plug screw watertight cover; It comprises lid 1; Said lid 1 is provided with the shrinkage pool 2 that matches with plug screw; The root of said shrinkage pool 2 is provided with an annular groove 3, and the transverse shape of said annular groove 3 is the circular arc that surpasses semicircle (being that radian is greater than π), and the radius R of the circular arc transversal surface of this annular groove 3 preferably is set to 2.5mm.
As shown in Figure 1, the diameter of phi of said annular groove 3 has the degree of tightening up of 0.8 ~ 1.0mm like this than the little 0.8 ~ 10mm of maximum outside diameter of riveting bung flange when watertight cover covers to plug screw, play good waterproof action.Even under the bigger situation of the temperature difference, bung is because of caving inward and causing when plug screw and watertight cover tilt to the inside that watertight cover also can play the water-tight effect because of having certain degree of tightening up enclosing cover on plug screw.
Like Fig. 1, shown in Figure 2, said lid 1 edge is provided with outward extending monaural 4, and when reality was used, monaural 4 was convenient to draw with portable, made that the unlatching of watertight cover is convenient.In addition, the opening edge of said shrinkage pool 2 is convenient to watertight cover is covered to plug screw along being provided with 45 ° of chamferings.
Claims (6)
1. bucket is used the plug screw watertight cover; Comprise lid (1); Lid (1) is provided with the shrinkage pool (2) that matches with plug screw, it is characterized in that: the root of said shrinkage pool (2) is provided with an annular groove (3), and the transverse shape of said annular groove (3) is the circular arc that surpasses semicircle.
2. bucket as claimed in claim 1 is used the plug screw watertight cover, and it is characterized in that: the diameter (Φ) of said annular groove (3) is than the little 0.8 ~ 10mm of maximum outside diameter of riveting bung flange.
3. bucket as claimed in claim 1 is used the plug screw watertight cover, and it is characterized in that: the radius (R) of the circular arc transversal surface of said annular groove (3) is 2.5mm.
4. bucket as claimed in claim 1 is used the plug screw watertight cover, it is characterized in that: said watertight cover adopts government rubber or silastic material.
5. bucket as claimed in claim 1 is used the plug screw watertight cover, and it is characterized in that: said lid (1) edge is provided with outward extending monaural (4).
6. bucket as claimed in claim 1 is used the plug screw watertight cover, it is characterized in that: the opening edge of said shrinkage pool (2) is along being provided with 45 ° of chamferings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200340620U CN202481490U (en) | 2012-02-03 | 2012-02-03 | Screw plug waterproof cover for barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200340620U CN202481490U (en) | 2012-02-03 | 2012-02-03 | Screw plug waterproof cover for barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202481490U true CN202481490U (en) | 2012-10-10 |
Family
ID=46955935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200340620U Expired - Lifetime CN202481490U (en) | 2012-02-03 | 2012-02-03 | Screw plug waterproof cover for barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202481490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582926A (en) * | 2012-02-03 | 2012-07-18 | 无锡四方友信股份有限公司 | Waterproof cap for screw plug of barrel |
-
2012
- 2012-02-03 CN CN2012200340620U patent/CN202481490U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582926A (en) * | 2012-02-03 | 2012-07-18 | 无锡四方友信股份有限公司 | Waterproof cap for screw plug of barrel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |
|
| CX01 | Expiry of patent term |