CN102295103A - External thread protector provided with lifting type back cover - Google Patents
External thread protector provided with lifting type back cover Download PDFInfo
- Publication number
- CN102295103A CN102295103A CN2011101633258A CN201110163325A CN102295103A CN 102295103 A CN102295103 A CN 102295103A CN 2011101633258 A CN2011101633258 A CN 2011101633258A CN 201110163325 A CN201110163325 A CN 201110163325A CN 102295103 A CN102295103 A CN 102295103A
- Authority
- CN
- China
- Prior art keywords
- back cover
- external thread
- protector
- steel
- thread protector
- 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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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The invention discloses an external thread protector provided with a lifting type back cover, and relates to a protective suite of a steel pipe head. The external thread protector comprises a steel jacket and a plastic lining arranged outside the steel jacket, wherein the top part of the steel jacket is provided with an inwards-stretching circular arc; a shoulder is arranged between the circular arc and the plastic lining; a back cover transitionally sunk towards the bottom part is arranged on the plastic lining; a transition platform is arranged between the back cover and the top part of the steel jacket and close to the shoulder; and the contact part of the inner part of the plastic lining and the outer wall of a steel pipe is provided with screw threads. The external thread protector has the following advantages that: a protective cap is sleeved on the end part of a steel pipe so that the end part of a lifting tool is buckled in a groove of the back cover of the protector and the protector cannot fall off during lifting, thus the lifting process becomes safe and reliable.
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 installs plastics envelope lining outside steel bushing additional to mould in conjunction with pipe cap, because the buffer action of plastics, the protection effect is more satisfactory.But because when lifting steel pipes was carried, because suspender need be connected to tube end, often existing protector can't lift.
Summary of the invention
The invention provides a kind of external-thread protector that has the hangable back cover, make the steel pipe that protector is installed play the tube head protective effect, and lifting is convenient.
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 hangable 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; be provided with shoulder between circular arc and the plastic inner lining; it is characterized in that: described plastic inner lining is provided with the recessed back cover of inside transition to the bottom, is provided with transition platform near shoulder between described 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 invention has the beneficial effects as follows that tin hat is socketed in steel tube end part, the lifting device end is connected in the back cover groove of protector, can not come off during lifting, safe and reliable.
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.
The specific embodiment
By accompanying drawing 1 as can be known; 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; described plastic inner lining 1 is provided with the recessed back cover of inside transition 4 to the bottom, is provided with transition platform 6 near shoulder 3 between described back cover 4 and steel bushing 2 tops, and the degree of depth of back cover 4 should be greater than 1/2 of protecting sleeve whole height; when making lifting like this, suspender is more fastening.Described 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.
Should be noted that embodiment of the present invention only is its optimal way, only is conspicuous change to belonging to technical solution of the present invention, all should belong within protection scope of the present invention.
Claims (2)
1. external-thread protector that has the hangable 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; be provided with shoulder between circular arc and the plastic inner lining; it is characterized in that: described plastic inner lining is provided with the recessed back cover of inside transition to the bottom, is provided with transition platform near shoulder between described back cover and the steel bushing top.
2. the external-thread protector that has the hangable back cover according to claim 1 is characterized in that: described plastic inner lining is inner to be provided with screw thread with the outer wall of steel pipe contact part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101633258A CN102295103A (en) | 2011-06-17 | 2011-06-17 | External thread protector provided with lifting type back cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101633258A CN102295103A (en) | 2011-06-17 | 2011-06-17 | External thread protector provided with lifting type back cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102295103A true CN102295103A (en) | 2011-12-28 |
Family
ID=45355831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101633258A Pending CN102295103A (en) | 2011-06-17 | 2011-06-17 | External thread protector provided with lifting type back cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102295103A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106494750A (en) * | 2015-09-08 | 2017-03-15 | 申晓丽 | A kind of steel pipe nozzle protective case |
| CN106494751A (en) * | 2015-09-08 | 2017-03-15 | 申晓丽 | A kind of pipe cap on pipe fitting |
-
2011
- 2011-06-17 CN CN2011101633258A patent/CN102295103A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106494750A (en) * | 2015-09-08 | 2017-03-15 | 申晓丽 | A kind of steel pipe nozzle protective case |
| CN106494751A (en) * | 2015-09-08 | 2017-03-15 | 申晓丽 | A kind of pipe cap on pipe fitting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111228 |