CN102633050A - Thread protector with flat-top back cover - Google Patents
Thread protector with flat-top back cover Download PDFInfo
- Publication number
- CN102633050A CN102633050A CN2012101231292A CN201210123129A CN102633050A CN 102633050 A CN102633050 A CN 102633050A CN 2012101231292 A CN2012101231292 A CN 2012101231292A CN 201210123129 A CN201210123129 A CN 201210123129A CN 102633050 A CN102633050 A CN 102633050A
- Authority
- CN
- China
- Prior art keywords
- back cover
- thread
- inner lining
- plastic inner
- steel pipe
- 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.)
- Pending
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- Buffer Packaging (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The invention provides an external thread protector with a flat-top back cover, which is used for protecting a thread at the end of a steel pipe. The thread protector comprises a steel jacket and a plastic inner lining arranged outside the steel jacket, wherein the top of the steel jacket is provided with an inwards drawn arc, a circular bead is arranged between the arc and the plastic inner lining, the upper part of the plastic inner lining is provided with a seal top, the inwards and excessively concave back cover is arranged at the downward bottom of the back cover, and a transition platform is arranged between the back cover and the top of the steel jacket near to the circular bead; a contact part between the inner part of the plastic inner lining and the outer wall of the steel pipe is provided with the thread; and a disassembly hole is arranged on the seal top. The thread protector has the beneficial effects that due to the hermetic seal top, the steel pipe can be well sealed by the protector, so that not only can the steel pipe thread be protected, but also the corrosion damage of water in the steel pipe to the thread can be avoided.
Description
Technical field
The present invention relates to a kind of protection external member of steel pipe tube head.
Background technology
Steel pipe very easily causes damage to pipe end in transportation, for tube head is protected, generally at pipe end suit pipe cap, also is protector.Also have a kind of steel that outside steel bushing, installs plastics envelope lining additional to mould the combination pipe cap, because the buffer action of plastics, the protection effect is more satisfactory.But owing in the transportation storage process, be easy to get into water in the protector, cause the steel pipe corrosion, undesirable to the protection of steel pipe especially pipe thread.
Summary of the invention
The invention provides a kind of external-thread protector that has the flat-top back cover, good sealing effect is avoided the corrosion injury that the water inlet double thread causes in the steel pipe.
In order to achieve the above object, the technical scheme taked of the present invention is:
A kind of external-thread protector that has the flat-top back cover; Comprise the outer plastic inner lining that is provided with of steel bushing and steel bushing; The steel bushing top is provided with to the in-draw circular arc, is provided with shoulder between circular arc and the plastic inner lining, it is characterized in that: said plastic inner lining top is provided with binds; Binding is provided with the recessed back cover of inside transition to the bottom down, is provided with transition platform near shoulder between said back cover and the steel bushing top.
The above plastic inner lining is inner to be provided with screw thread with the outer wall of steel pipe contact part.
The above binds and is provided with removal hole.
The invention has the beneficial effects as follows, bind, make the good sealing effect of protector, not only the steel pipe screw thread is protected, and avoided the corrosion injury that the water inlet double thread causes in the steel pipe steel pipe owing to be provided with.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure: 1. plastic inner lining; 2. steel bushing; 3. shoulder; 4. back cover; 5. screw thread; 6. transition platform; 7. bind; 8. removal hole.
The specific embodiment
Can know that by accompanying drawing 1 the present invention includes steel bushing 2 and the steel bushing 2 outer plastic inner linings 1 that are provided with, steel bushing 2 tops are provided with to the in-draw circular arc; Be provided with shoulder 3 between circular arc and the plastic inner lining 1; Said plastic inner lining 1 top is provided with binds 7, binds to be provided with the recessed back cover of inside transition 4 to the bottom 7 times; The degree of depth of back cover 4 should be greater than 1/2 of protecting sleeve whole height, is provided with transition platform 6 near shoulder 3 between said back cover 4 and steel bushing 2 tops.Said plastic inner lining 1 is inner to be provided with screw thread 5 with steel bushing 2 outer wall contact parts, is used for and the steel pipe protected is connected.The above 7 middle part of binding is provided with removal hole 8, is used for the installing/dismounting of protector on steel pipe.
Should be noted that embodiment of the present invention only is its optimal way, only is conspicuous change to belonging to technical scheme of the present invention, all should belong within protection scope of the present invention.
Claims (3)
1. external-thread protector that has the flat-top back cover; Comprise the outer plastic inner lining that is provided with of steel bushing and steel bushing; The steel bushing top is provided with to the in-draw circular arc, is provided with shoulder between circular arc and the plastic inner lining, it is characterized in that: said plastic inner lining top is provided with binds; Binding is provided with the recessed back cover of inside transition to the bottom down, is provided with transition platform near shoulder between said back cover and the steel bushing top.
2. the external-thread protector that has the flat-top back cover according to claim 1 is characterized in that: said plastic inner lining is inner to be provided with screw thread with the outer wall of steel pipe contact part.
3. the external-thread protector that has the flat-top back cover according to claim 1 is characterized in that: said binding is provided with removal hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101231292A CN102633050A (en) | 2012-04-25 | 2012-04-25 | Thread protector with flat-top back cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101231292A CN102633050A (en) | 2012-04-25 | 2012-04-25 | Thread protector with flat-top back cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102633050A true CN102633050A (en) | 2012-08-15 |
Family
ID=46617661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101231292A Pending CN102633050A (en) | 2012-04-25 | 2012-04-25 | Thread protector with flat-top back cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102633050A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438630A (en) * | 2014-08-24 | 2016-03-30 | 天津市津英达塑料制品有限责任公司 | Check device of outer thread protector |
| CN106494750A (en) * | 2015-09-08 | 2017-03-15 | 申晓丽 | A kind of steel pipe nozzle protective case |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000191023A (en) * | 1998-12-29 | 2000-07-11 | Nippon Tubular Products Kk | Tube end protecting device |
| WO2009030085A1 (en) * | 2007-09-05 | 2009-03-12 | Lianji Sun | Protecting device of threads on tube end |
| CN101955013A (en) * | 2010-09-01 | 2011-01-26 | 天津市津英达塑料制品有限责任公司 | Outer thread protector with steel exterior and plastic interior |
| CN201882396U (en) * | 2010-09-01 | 2011-06-29 | 天津市津英达塑料制品有限责任公司 | Outer-steel inner-plastic external thread protector |
| CN102275680A (en) * | 2011-06-17 | 2011-12-14 | 天津市津英达塑料制品有限责任公司 | Thread protector with shoulder |
-
2012
- 2012-04-25 CN CN2012101231292A patent/CN102633050A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000191023A (en) * | 1998-12-29 | 2000-07-11 | Nippon Tubular Products Kk | Tube end protecting device |
| WO2009030085A1 (en) * | 2007-09-05 | 2009-03-12 | Lianji Sun | Protecting device of threads on tube end |
| CN101955013A (en) * | 2010-09-01 | 2011-01-26 | 天津市津英达塑料制品有限责任公司 | Outer thread protector with steel exterior and plastic interior |
| CN201882396U (en) * | 2010-09-01 | 2011-06-29 | 天津市津英达塑料制品有限责任公司 | Outer-steel inner-plastic external thread protector |
| CN102275680A (en) * | 2011-06-17 | 2011-12-14 | 天津市津英达塑料制品有限责任公司 | Thread protector with shoulder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438630A (en) * | 2014-08-24 | 2016-03-30 | 天津市津英达塑料制品有限责任公司 | Check device of outer thread protector |
| CN106494750A (en) * | 2015-09-08 | 2017-03-15 | 申晓丽 | A kind of steel pipe nozzle protective case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120815 |