CN202733408U - Cold-drawn double-layer precision steel tube - Google Patents
Cold-drawn double-layer precision steel tube Download PDFInfo
- Publication number
- CN202733408U CN202733408U CN 201220436169 CN201220436169U CN202733408U CN 202733408 U CN202733408 U CN 202733408U CN 201220436169 CN201220436169 CN 201220436169 CN 201220436169 U CN201220436169 U CN 201220436169U CN 202733408 U CN202733408 U CN 202733408U
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- steel tube
- cold
- layer
- drawn
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Abstract
The utility model relates to the technical field of cold-drawn steel tubes in the metallurgical industry, and particularly relates to a cold-drawn double-layer precision steel tube. The cold-drawn double-layer precision steel tube comprises a cold-drawn steel tube body, wherein the steel tube body comprises an outer layer steel tube and an inner layer steel tube; the cross section of the outer wall of the outer layer steel tube is a circle; the cross section of the inner wall of the outer layer steel tube is a regular hexagon; the cross section of the outer wall of the inner layer steel tube is a regular hexagon; the cross section of the inner wall of the inner layer steel tube is a circle; a gap layer is arranged between the outer layer steel tube and the inner layer steel tube; and one end of the gap layer is in a closed structure. The cold-drawn double-layer precision steel tube is in a two-layer structure, is novel in structure, can meet diversified market demands, and has favorable firmness and long service life.
Description
Technical field
The utility model relates to the cold drawing steel tube technical field in the metallurgy industry, the double-deck precision tube of especially a kind of cold-drawn.
Background technique
Cold drawing steel tube is for the dimensional accuracy height of mechanical structure, hydraulic equipment and the good accurate cold-drawing seamless pipe of surface finishment.Select accurate weldless tube manufacturing machine structure or hydraulic equipment etc., can greatly save machining man-hour, improve stock utilization, be conducive to simultaneously improve the quality of products.Yet traditional cold drawing seamless pipe substantially all is round tubular structure, can not satisfy the user demand of each side.
The model utility content
The technical problems to be solved in the utility model is: for overcoming the problem of above-mentioned existence, provide a kind of double-deck precision tube of cold-drawn of novel structure.
The technological scheme that its technical problem that solves the utility model adopts is: the double-deck precision tube of a kind of cold-drawn, comprise the steel pipe body of processing through cold-drawn, described steel pipe body comprises outer layer pipe and inner layer steel pipe, described outer layer pipe external wall cross-section is circular, described outer layer pipe cross section of inboard wall is regular hexagon, described inner layer steel pipe external wall cross-section is regular hexagon, described inner layer steel pipe cross section of inboard wall is circular, have void layer between described outer layer pipe and the inner layer steel pipe, described void layer one end is enclosed construction.
Further, the thickness of described outer layer pipe is 5mm～8mm.
Further, the thickness of described inner layer steel pipe is 4mm～6mm.
Further, described void layer is 2mm～5mm.
The beneficial effects of the utility model are, the double-deck precision tube of cold-drawn of the present utility model is double layer construction, and novel structure satisfy the market demand of diversification, and robustness is good, long service life.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is structural representation of the present utility model.
1. outer layer pipes among the figure, 2. inner layer steel pipe, 3. void layer.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic representation of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
The double-deck precision tube of cold-drawn as shown in Figure 1, comprise the steel pipe body of processing through cold-drawn, the steel pipe body comprises outer layer pipe 1 and inner layer steel pipe 2, outer layer pipe 1 external wall cross-section is circular, outer layer pipe 1 cross section of inboard wall is regular hexagon, and inner layer steel pipe 2 external wall cross-section are regular hexagon, and inner layer steel pipe 2 cross section of inboard wall are circular, have void layer 3 between outer layer pipe 1 and the inner layer steel pipe 2, void layer 3 one ends are enclosed construction.Wherein, the thickness of outer layer pipe 1 is 5mm～8mm, and the thickness of inner layer steel pipe 2 is 4mm～6mm, and void layer 3 is 2mm～5mm.
Take above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, the relevant staff can in the scope that does not depart from this model utility technological thought, carry out various change and modification fully.The technical scope of this model utility is not limited to the content on the specification, must determine its technical scope according to the claim scope.
Claims (4)
1. the double-deck precision tube of a cold-drawn, it is characterized in that: comprise the steel pipe body of processing through cold-drawn, described steel pipe body comprises outer layer pipe (1) and inner layer steel pipe (2), described outer layer pipe (1) external wall cross-section is circular, described outer layer pipe (1) cross section of inboard wall is regular hexagon, described inner layer steel pipe (2) external wall cross-section is regular hexagon, described inner layer steel pipe (2) cross section of inboard wall is circular, have void layer (3) between described outer layer pipe (1) and the inner layer steel pipe (2), described void layer (3) one ends are enclosed construction.
2. the double-deck precision tube of cold-drawn according to claim 1, it is characterized in that: the thickness of described outer layer pipe (1) is 5mm～8mm.
3. the double-deck precision tube of cold-drawn according to claim 1, it is characterized in that: the thickness of described inner layer steel pipe (2) is 4mm～6mm.
4. the double-deck precision tube of cold-drawn according to claim 1, it is characterized in that: described void layer (3) is 2mm～5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220436169 CN202733408U (en) | 2012-08-30 | 2012-08-30 | Cold-drawn double-layer precision steel tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220436169 CN202733408U (en) | 2012-08-30 | 2012-08-30 | Cold-drawn double-layer precision steel tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202733408U true CN202733408U (en) | 2013-02-13 |
Family
ID=47659106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220436169 Expired - Fee Related CN202733408U (en) | 2012-08-30 | 2012-08-30 | Cold-drawn double-layer precision steel tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202733408U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115239A (en) * | 2013-02-28 | 2013-05-22 | 江苏华程工业制管股份有限公司 | Seamless steel tube for screw spanner |
| CN104373697A (en) * | 2014-10-20 | 2015-02-25 | 张家港市人和高精管有限公司 | Seamless steel tube for fluid |
-
2012
- 2012-08-30 CN CN 201220436169 patent/CN202733408U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115239A (en) * | 2013-02-28 | 2013-05-22 | 江苏华程工业制管股份有限公司 | Seamless steel tube for screw spanner |
| CN104373697A (en) * | 2014-10-20 | 2015-02-25 | 张家港市人和高精管有限公司 | Seamless steel tube for fluid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20130830 |