CN205534672U - Heat dissipation type finish rolling seamless steel pipe for vehicle vent -pipe - Google Patents
Heat dissipation type finish rolling seamless steel pipe for vehicle vent -pipe Download PDFInfo
- Publication number
- CN205534672U CN205534672U CN201620096213.3U CN201620096213U CN205534672U CN 205534672 U CN205534672 U CN 205534672U CN 201620096213 U CN201620096213 U CN 201620096213U CN 205534672 U CN205534672 U CN 205534672U
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- China
- Prior art keywords
- tube body
- fin
- cylinder boss
- steel pipe
- seamless steel
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Abstract
The utility model relates to a heat dissipation type finish rolling seamless steel pipe for vehicle vent -pipe is equipped with the external screw thread on the outer periphery at interior body both ends, is equipped with the internal thread on the inner circumference at outer body both ends, body and outer body in the connecting block threaded connection, and the circumference equipartition has a plurality of first fin on the outer periphery of interior body, and the inner circumference of outer body goes up the circumference equipartition has a plurality of second fin, and first fin is laminated with the second fin one by one. The utility model discloses an interior body and the inner circumference of the first fin of circumference equipartition goes up the outer body fixed connection of circumference equipartition second fin on the outer periphery, divides two road directions to dispel the heat outward the internal heat of inner tube, and the radiating rate is very fast, and the radiating efficiency is higher, has effectively avoided deteriorating of seamless steel pipe inner wall, and the life who has lengthened seamless steel pipe shortens.
Description
Technical field
This utility model relates to seamless steel pipe technical field, especially relates to a kind of automobile exhaust effective heat radiating type finish rolling seamless steel pipe.
Background technology
Growing along with auto industry, more and more higher to the performance requirement of tubing used by automobile exhaust pipe, the existing tubing as automobile exhaust pipe mostly is common stainless steel pipe, and heat dispersion is the strongest, exhaustor inwall is easily deteriorated under the effect of long term high temperature gases at high pressure, causes shorten service life.
Utility model content
The technical problems to be solved in the utility model is: in order to overcome the existing tubing as automobile exhaust pipe mostly to be common stainless steel pipe, heat dispersion is the strongest, exhaustor inwall is easily deteriorated under the effect of long term high temperature gases at high pressure, cause the problem that service life shortens, it is provided that a kind of automobile exhaust effective heat radiating type finish rolling seamless steel pipe.
This utility model solves its technical problem and be the technical scheme is that a kind of automobile exhaust effective heat radiating type finish rolling seamless steel pipe, including interior tube body, outer tube body and contiguous block, the outer circumference surface at said inner tube body two ends is provided with external screw thread, the inner peripheral surface at described outer tube body two ends is provided with female thread, described contiguous block threaded said inner tube body and described outer tube body, some first fin it are evenly distributed on the outer circumference surface of said inner tube body, some second fin it are evenly distributed on the inner peripheral surface of described outer tube body, described first fin is fitted one by one with described second fin.
Further, in order to increase the speed of heat radiation, the length direction of described first fin and the centerline axis parallel of said inner tube body, the length direction of described second fin and the centerline axis parallel of described outer tube body.
nullFurther，Interior tube body and outer tube body is connected in order to preferably fixing，Described contiguous block includes the first cylinder boss and the second cylinder boss，Described first cylinder boss is fixedly mounted on described second cylinder boss，Described first cylinder boss is coaxially disposed with described second cylinder boss，The upper surface of described first cylinder boss is provided with notch cuttype through hole，Described notch cuttype through hole runs through described first cylinder boss and described second cylinder boss，Notch cuttype through-hole wall on described first cylinder boss is provided with female thread，Female thread on described first cylinder boss is threadeded with the external screw thread on said inner tube body，The outer circumference surface of described first cylinder boss is provided with external screw thread，External screw thread on described first cylinder boss is threadeded with the female thread on described outer tube body，Described outer tube body is fitted with the upper surface of described second cylinder boss with the end face of said inner tube body.
Further, while preferably fixing connection interior tube body and outer tube body, do not affect the capacity of aerofluxus steel pipe, the through hole radius being positioned on the second cylinder boss in described notch cuttype through hole is equal with the inside radius of said inner tube body, and the radius of described second cylinder boss is equal with the outer radius of described outer tube body.
Further, described first fin and described second fin are flat fin.
Further, in order to increase area of dissipation, making radiating rate faster, described first fin and described second fin are wave shaped radiator.
The beneficial effects of the utility model are: on automobile exhaust of the present utility model effective heat radiating type finish rolling seamless steel pipe employing outer circumference surface, the interior tube body of circumference uniform distribution the first fin is fixing with the outer tube body of the second fin of circumference uniform distribution on inner peripheral surface is connected, when the heat in interior tube body is more, a part is delivered in the cavity between interior tube body and outer tube body by interior tube body itself；Another part is passed to the second fin by the first fin on interior tube body, and the second fin transfers heat to outer tube body, and the excircle area of outer tube body is more than the excircle area of interior tube body, and therefore heat radiation is very fast；Meanwhile, temporary in cavity heat can be by the contiguous block of the copper at two ends to external cooling；Heat in interior tube body is divided two-way outwards to dispel the heat by this utility model, and radiating rate is very fast, and radiating efficiency is higher, effectively prevent deteriorating of seamless steel pipe internal wall, and the service life extending seamless steel pipe shortens.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the schematic three dimensional views of this utility model embodiment 1；
Fig. 2 is the left view of this utility model embodiment 1；
Fig. 3 is the sectional view in this utility model embodiment 1 Fig. 2 at A-A；
Fig. 4 is the assembling schematic diagram of this utility model embodiment 1 China and foreign countries body and interior tube body；
Fig. 5 is the schematic three dimensional views of this utility model embodiment 1 China and foreign countries body；
Fig. 6 is the schematic three dimensional views of interior tube body in this utility model embodiment 1；
Fig. 7 is the schematic three dimensional views of contiguous block in this utility model embodiment 1；
Fig. 8 is the assembling schematic diagram of this utility model embodiment 2 China and foreign countries body and interior tube body.
In figure: 1. interior tube body, 2. outer tube body, 3. contiguous block, 4. the first fin, 5. the second fin, 6. the first cylinder boss, 7. the second cylinder boss, 8. notch cuttype through hole.
Detailed description of the invention
Presently in connection with accompanying drawing, the utility model is described in more detail.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present utility model is described the most in a schematic way, and therefore it only shows the composition relevant with this utility model.
Embodiment 1:
Such as Fig. 1, a kind of automobile exhaust effective heat radiating type finish rolling seamless steel pipe shown in Fig. 2 and Fig. 3, including interior tube body 1 as shown in Figure 6, outer tube body 2 as shown in Figure 5 and contiguous block 3 as shown in Figure 7, the outer circumference surface at interior tube body 1 two ends is provided with external screw thread, the inner peripheral surface at outer tube body 2 two ends is provided with female thread, the threaded interior tube body of contiguous block 31 and outer tube body 2, 10 the first fin 4 it are evenly distributed on the outer circumference surface of interior tube body 1, 10 the second fin 5 it are evenly distributed on the inner peripheral surface of outer tube body 2, 10 the first fin 4 are fitted one by one with 10 the second fin 5, as shown in Figure 4.
In order to increase the speed of heat radiation, the length direction of the first fin 4 and the centerline axis parallel of interior tube body 1, the length direction of the second fin 5 and the centerline axis parallel of outer tube body 2.
Interior tube body 1 and outer tube body 2 is connected in order to preferably fixing, contiguous block 3 includes the first cylinder boss 6 and the second cylinder boss 7, first cylinder boss 6 is fixedly mounted on the second cylinder boss 7, first cylinder boss 6 is coaxially disposed with the second cylinder boss 7, the upper surface of the first cylinder boss 6 is provided with notch cuttype through hole 8, notch cuttype through hole 8 runs through the first cylinder boss 6 and the second cylinder boss 7, notch cuttype through hole 8 inwall on first cylinder boss 6 is provided with female thread, female thread on first cylinder boss 6 is threadeded with the external screw thread on interior tube body 1, the outer circumference surface of the first cylinder boss 6 is provided with external screw thread, external screw thread on first cylinder boss 6 is threadeded with the female thread on outer tube body 2, outer tube body 2 is fitted with the end face of interior tube body 1 and the upper surface of the second cylinder boss 7.
While preferably fixing connection interior tube body 1 and outer tube body 2, do not affect the capacity of aerofluxus steel pipe, being positioned at the through hole radius on the second cylinder boss 7 in described notch cuttype through hole 8 equal with the inside radius of said inner tube body 1, the radius of the second cylinder boss 7 is equal with the outer radius of outer tube body 2.
First fin 4 and the second fin 5 are flat fin.
Before using, outer tube body 2 is set in interior tube body 1 outside, make the both ends of the surface of outer tube body 2 and interior tube body 1 in same level, spun outer tube body 2 or interior tube body 1, the first fin 4 is made to fit one by one with the second fin 5, fixing interior tube body 1 and outer tube body 2, interior tube body 1 and outer tube body 2 is made not to rotate, now, in the gap of one end that the contiguous block 3 of copper is screwed in interior tube body 1 and outer tube body 2, interior tube body 1 now is all threadeded with contiguous block 3 with outer tube body 2, in order to prevent contiguous block 3 from departing from interior tube body 1 and outer tube body 2, the junction of outer tube body 2 with contiguous block 3 can be welded, in the gap of the other end that contiguous block 3 is screwed in outer tube body 2 and interior tube body 1 again, finally the junction of outer tube body 2 with contiguous block 3 is welded, this utility model installation.
On automobile exhaust of the present utility model effective heat radiating type finish rolling seamless steel pipe employing outer circumference surface, the interior tube body 1 of circumference uniform distribution the first fin 4 and the outer tube body 2 of the second fin of circumference uniform distribution on inner peripheral surface 5 are fixed and are connected, when the heat in interior tube body 1 is more, a part itself is delivered in the cavity between interior tube body 1 and outer tube body 2 by interior tube body 1；Another part is passed to the second fin 5 by the first fin 4 on interior tube body 1, and the second fin 5 transfers heat to outer tube body 2, and the excircle area of outer tube body 2 is more than the excircle area of interior tube body 1, and therefore heat radiation is very fast；Meanwhile, temporary in cavity heat can be by the contiguous block 3 of the copper at two ends to external cooling；Heat in interior tube body 1 is divided two-way outwards to dispel the heat by this utility model, and radiating rate is very fast, and radiating efficiency is higher, effectively prevent deteriorating of seamless steel pipe internal wall, and the service life extending seamless steel pipe shortens.
Embodiment 2:
Embodiment 2 as shown in Figure 8 is compared with Example 1, differ only in: the first fin 4 and the second fin 5 are wave shaped radiator, using corrugated fin compared with using flat fin, the area of dissipation of corrugated fin increases, and radiating rate is faster.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff can carry out various change and amendment completely in the range of without departing from this utility model technological thought.The content that the technical scope of this utility model is not limited in description, it is necessary to determine its technical scope according to right.
Claims (6)
1. an automobile exhaust effective heat radiating type finish rolling seamless steel pipe, it is characterised in that: include interior tube body (1),
Outer tube body (2) and contiguous block (3), the outer circumference surface at said inner tube body (1) two ends is provided with external screw thread,
The inner peripheral surface at described outer tube body (2) two ends is provided with female thread, the threaded institute of described contiguous block (3)
State interior tube body (1) and described outer tube body (2), the outer circumference surface of said inner tube body (1) is evenly distributed in
Some first fin (4), the inner peripheral surface of described outer tube body (2) is evenly distributed in some second heat radiations
Sheet (5), described first fin (4) is fitted one by one with described second fin (5).
2. automobile exhaust effective heat radiating type finish rolling seamless steel pipe as claimed in claim 1, it is characterised in that:
The length direction of described first fin (4) and the centerline axis parallel of said inner tube body (1), described the
The length direction of two fin (5) and the centerline axis parallel of described outer tube body (2).
3. automobile exhaust effective heat radiating type finish rolling seamless steel pipe as claimed in claim 2, it is characterised in that:
Described contiguous block (3) includes the first cylinder boss (6) and the second cylinder boss (7), described first cylinder
Boss (6) is fixedly mounted on described second cylinder boss (7), described first cylinder boss (6) and institute
Stating the second cylinder boss (7) to be coaxially disposed, the upper surface of described first cylinder boss (6) is provided with notch cuttype
Through hole (8), described notch cuttype through hole (8) runs through described first cylinder boss (6) and described second cylinder
Boss (7), notch cuttype through hole (8) inwall on described first cylinder boss (6) is provided with female thread, institute
The female thread stated on the first cylinder boss (6) is threadeded with the external screw thread on said inner tube body (1), institute
The outer circumference surface stating the first cylinder boss (6) is provided with external screw thread, on described first cylinder boss (6)
External screw thread is threadeded with the female thread on described outer tube body (2), described outer tube body (2) and said inner tube
The upper surface laminating of the end face of body (1) and described second cylinder boss (7).
4. automobile exhaust effective heat radiating type finish rolling seamless steel pipe as claimed in claim 3, it is characterised in that:
The through hole radius being positioned on the second cylinder boss (7) in described notch cuttype through hole (8) and said inner tube body (1)
Inside radius equal, the radius of described second cylinder boss (7) and the outer radius phase of described outer tube body (2)
Deng.
5. automobile exhaust effective heat radiating type finish rolling seamless steel pipe as claimed in claim 4, it is characterised in that:
Described first fin (4) and described second fin (5) are flat fin.
6. automobile exhaust effective heat radiating type finish rolling seamless steel pipe as claimed in claim 4, it is characterised in that:
Described first fin (4) and described second fin (5) are wave shaped radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620096213.3U CN205534672U (en) | 2016-01-30 | 2016-01-30 | Heat dissipation type finish rolling seamless steel pipe for vehicle vent -pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620096213.3U CN205534672U (en) | 2016-01-30 | 2016-01-30 | Heat dissipation type finish rolling seamless steel pipe for vehicle vent -pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205534672U true CN205534672U (en) | 2016-08-31 |
Family
ID=56774451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620096213.3U Expired - Fee Related CN205534672U (en) | 2016-01-30 | 2016-01-30 | Heat dissipation type finish rolling seamless steel pipe for vehicle vent -pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205534672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186101A (en) * | 2018-11-09 | 2019-01-11 | 河北展鑫热能科技有限公司 | Heating device and its manufacturing method |
-
2016
- 2016-01-30 CN CN201620096213.3U patent/CN205534672U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186101A (en) * | 2018-11-09 | 2019-01-11 | 河北展鑫热能科技有限公司 | Heating device and its manufacturing method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20200130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |