CN211820086U - Heat shield for turbocharger - Google Patents
Heat shield for turbocharger Download PDFInfo
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- CN211820086U CN211820086U CN202020229073.9U CN202020229073U CN211820086U CN 211820086 U CN211820086 U CN 211820086U CN 202020229073 U CN202020229073 U CN 202020229073U CN 211820086 U CN211820086 U CN 211820086U
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Abstract
The utility model relates to a turbo charger technical field, concretely relates to separate heat exchanger for turbo charger, include: the cylindrical cover body comprises a circular tube and a conical tube bottom which is connected with the circular tube and has two open ends; a plurality of fan-shaped holes are arranged on the conical barrel bottom in an annular array, and the small ends of the fan-shaped holes point to the center of the conical barrel bottom; the heat dissipation structure is characterized by also comprising a plurality of J-shaped heat dissipation fins, wherein the J-shaped heat dissipation fins are arranged in an annular array and are clamped at the connecting part of the round pipe and the conical cylinder bottom; the J-shaped radiating fins comprise J-shaped fin bodies, and a plurality of grooves are formed in the J-shaped fin bodies at intervals. The utility model discloses rational in infrastructure, through the setting of the scallop hole on the conical barrel head and J shape radiating fin, the hot gas flow of being convenient for between turbine and the heat shield flows fast, and the heat of part increases radiating efficiency in the external environment that scatters and disappears through J shape radiating fin, reduces the energy consumption, extension turbocharger's life.
Description
Technical Field
The utility model relates to a turbo charger technical field especially relates to a separate heat exchanger for turbo charger.
Background
The turbocharger uses the inertia impulse force of the exhaust gas from the engine to push the turbine in the turbine chamber, the turbine drives the coaxial impeller, the impeller presses the air sent by the air filter pipeline, and the air is pressurized and enters the cylinder. When the rotating speed of the engine is increased, the exhaust gas exhaust speed and the rotating speed of the turbine are also increased synchronously, the impeller compresses more air to enter the air cylinder, the pressure and the density of the air are increased, more fuel can be combusted, and the output power of the engine can be increased by correspondingly increasing the fuel quantity and adjusting the rotating speed of the engine. A heat shield is arranged between the floating bearing and the turbine and used for blocking heat generated by rotation of the turbine and avoiding the heat being transferred to the floating bearing. However, during the use process, the rotation of the turbine can cause gas friction with the heat shield, which not only hinders the rotation of the turbine, but also generates a large amount of heat which is difficult to dissipate, reduces the efficiency of the turbine and increases the internal consumption.
An authorization notice number CN 208803878U discloses a turbocharger turbine separates heat exchanger, including U type cover, the center of U type cover bottom surface is equipped with a round hole, the outer wall of U type cover bottom surface is equipped with a plurality of air guide grooves around the round hole. The utility model discloses a through set up the air guide groove at heat shield bottom surface outer wall, the turbine is derived with the air current between the heat shield, and the structure setting of air guide groove can be derived the turbine in the same trend and rotate and take off gas, and the structure that combines the heat shield is provided with and does benefit to the gas flow between turbine and the floating bearing, reduces turbine rotation resistance, improves turbine work efficiency, and is favorable to the heat dissipation, reduces the energy consumption, improves turbo charger's reliability, increase of service life. The air guide groove of U type cover bottom surface is the tulip shape, receives the edge to the bottom surface from bottom surface round hole department fluting, forms sharp portion in the edge, is close to the region at bottom surface center more promptly, and the heat dissipation chamber of airing exhaust in the unit area is big more, but in time, because the linear velocity of the biggest footpath department of turbine is the biggest, and the heat that produces in the unit interval is the most, and these heats can not be timely discharged, need move one section distance to the center and just can follow the air guide groove and discharge, reduced the radiating efficiency, need improve.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a separate heat exchanger for turbo charger, simple structure, and processing is easy, and radiating efficient has prolonged high turbo charger's life.
In order to solve the technical problem, the utility model discloses a technical scheme be: there is provided a heat shield for a turbocharger, comprising: the cylindrical cover body comprises a circular tube and a conical tube bottom which is connected with the circular tube and has two open ends;
a plurality of fan-shaped holes are arranged on the conical barrel bottom in an annular array, and the small ends of the fan-shaped holes point to the center of the conical barrel bottom;
the heat dissipation structure is characterized by also comprising a plurality of J-shaped heat dissipation fins, wherein the J-shaped heat dissipation fins are arranged in an annular array and are clamped at the connecting part of the round pipe and the conical cylinder bottom;
the J-shaped radiating fins comprise J-shaped fin bodies, and a plurality of grooves are formed in the J-shaped fin bodies at intervals.
In a preferred embodiment of the present invention, the large diameter opening end of the conical bottom is connected with one end of the circular tube in a sealing manner, and the small diameter opening end of the conical bottom extends towards the inner cavity of the circular tube.
In a preferred embodiment of the present invention, the annular array of the connection part of the circular tube and the conical bottom is provided with a plurality of clip grooves for mounting the J-shaped heat dissipation fins.
In a preferred embodiment of the present invention, the inner side surface of the J-shaped heat dissipation fin in the clip groove is flush with the inner wall of the cylindrical cover, and the outer side surface extends to the outside of the cylindrical cover.
In a preferred embodiment of the present invention, an outer circle of an end of the circular tube, which is far away from the conical tube bottom, is provided with an annular edge plate.
In a preferred embodiment of the present invention, the J-shaped heat dissipation fins are connected to the cylindrical cover body by spot welding.
In a preferred embodiment of the present invention, the circular tube, the conical bottom and the annular edge plate are integrally formed by casting.
The utility model has the advantages that: the utility model provides a separate heat exchanger for turbo charger, through the fan-shaped hole on the conical barrel head and J shape radiating fin's setting, the hot gas flow of being convenient for between turbine and the separate heat exchanger flows fast, and the heat of part is through J shape radiating fin scattering and disappearing to the external environment, increases radiating efficiency, reduces the energy consumption, extension turbo charger's life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
FIG. 1 is a schematic structural view of a preferred embodiment of a heat shield for a turbocharger of the present invention;
fig. 2 is a sectional view taken along line a-a of fig. 1.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for purposes of illustration and explanation only and are not intended to limit the invention.
It should be noted that these drawings are simplified schematic views, and the basic structure of the present invention is described only in a schematic manner, and therefore, only the configuration related to the present invention is shown.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-2, an embodiment of the present invention includes:
a heat shield for a turbocharger, comprising: the cylindrical cover body 10 comprises a circular tube 11 and a conical tube bottom 12 which is connected with the circular tube 11 and has two open ends.
A plurality of fan-shaped holes 2 are arranged on the conical barrel bottom 12 in an annular array, and the small ends of the fan-shaped holes 2 point to the center of the conical barrel bottom 12; when the turbocharger is used, as the linear velocity at the large diameter of the turbine is the largest, more heat is generated between the large diameter of the turbine and air due to friction, the heat is gathered near the fan-shaped hole 2, and the heat is rapidly taken out from the fan-shaped hole 2 through the rotation of the turbine, so that the effect of rapidly cooling is achieved, and the service life of the turbocharger is prolonged.
The heat dissipation structure is characterized by further comprising a plurality of J-shaped heat dissipation fins 30, wherein the J-shaped heat dissipation fins 30 are arranged in an annular array and clamped at the connection position of the circular tube 11 and the conical tube bottom 12; the J-shaped radiating fin 30 comprises a J-shaped fin body 31, and a plurality of grooves 32 are arranged on the J-shaped fin body 31 at intervals; through the use of J shape radiating fin 30, can dispel the heat on the cylindric cover body 10 to the outside environment fast, through set up recess 32 on J shape fin body 31, increased heat radiating area, improved radiating efficiency.
The large-diameter opening end of the conical cylinder bottom 12 is hermetically connected with one end of the circular tube 11, and the small-diameter opening end of the conical cylinder bottom 12 extends towards the inner cavity of the circular tube 11; the heat generated by the friction between the small diameter of the turbine and the air is also taken out of the fan-shaped hole 2 by the rotating turbine under the flow guiding effect of the conical cylinder bottom 12, so that the effect of quickly cooling is achieved, and the service life of the turbocharger is prolonged.
A plurality of clamping grooves 4 for mounting J-shaped radiating fins 30 are arranged at the connecting part of the circular tube 11 and the conical tube bottom 12 in an annular array manner; positioning of the installation of the J-shaped heat dissipating fins 30 is facilitated.
The inner side surface of the J-shaped radiating fin 30 in the clamping groove 4 is flush with the inner wall of the cylindrical cover body 10, and the outer side surface is extended to the outside of the cylindrical cover body 10; the heat in the heat shield can be conveniently and fully contacted with the J-shaped radiating fins 30 and then quickly dissipated to the external environment, and the radiating efficiency is improved.
The circular tube 11 is provided with the annular border board 5 apart from the excircle of the one end of the conical tube bottom 12, and the structural strength of the heat shield is enhanced.
The J-shaped radiating fins 30 are connected with the cylindrical cover body 10 through spot welding, so that the connection firmness is enhanced.
The round tube 11, the conical tube bottom 12 and the annular edge plate 5 are integrally cast and processed, and the device is simple in structure and easy to process.
To sum up, the utility model discloses a separate heat exchanger for turbo charger who points out, simple structure, processing is easy, and radiating efficient has prolonged high turbo charger's life.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (7)
1. A heat shield for a turbocharger, comprising: the cylindrical cover body is characterized by comprising a circular tube and a conical tube bottom which is connected with the circular tube and has two open ends;
a plurality of fan-shaped holes are arranged on the conical barrel bottom in an annular array, and the small ends of the fan-shaped holes point to the center of the conical barrel bottom;
the heat dissipation structure is characterized by also comprising a plurality of J-shaped heat dissipation fins, wherein the J-shaped heat dissipation fins are arranged in an annular array and are clamped at the connecting part of the round pipe and the conical cylinder bottom;
the J-shaped radiating fins comprise J-shaped fin bodies, and a plurality of grooves are formed in the J-shaped fin bodies at intervals.
2. The heat shield for a turbocharger according to claim 1, wherein the large diameter open end of the conical bottom is sealingly connected to one end of the circular tube, and the small diameter open end of the conical bottom extends toward the inner cavity of the circular tube.
3. The heat shield for the turbocharger according to claim 1, wherein a plurality of clamping grooves for mounting J-shaped radiating fins are formed in an annular array at the joint of the circular tube and the conical tube bottom.
4. The heat shield for a turbocharger according to claim 3, wherein an inner side surface of the J-shaped heat dissipation fin in the snap groove is flush with an inner wall of the cylindrical cover body, and an outer side surface extends to the outside of the cylindrical cover body.
5. The heat shield for a turbocharger according to claim 1, wherein an outer circle of one end of the circular tube, which is far away from the conical tube bottom, is provided with an annular edge plate.
6. The heat shield for a turbocharger according to claim 1, wherein the J-shaped heat dissipation fins are connected to the cylindrical cover body by spot welding.
7. The heat shield for a turbocharger according to claim 5, wherein the circular tube, the conical bottom and the annular rim plate are integrally cast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020229073.9U CN211820086U (en) | 2020-02-29 | 2020-02-29 | Heat shield for turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020229073.9U CN211820086U (en) | 2020-02-29 | 2020-02-29 | Heat shield for turbocharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211820086U true CN211820086U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020229073.9U Active CN211820086U (en) | 2020-02-29 | 2020-02-29 | Heat shield for turbocharger |
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| Country | Link |
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| CN (1) | CN211820086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240125250A1 (en) * | 2022-10-17 | 2024-04-18 | Borgwarner Inc. | Heat shield for a supercharging device |
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2020
- 2020-02-29 CN CN202020229073.9U patent/CN211820086U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240125250A1 (en) * | 2022-10-17 | 2024-04-18 | Borgwarner Inc. | Heat shield for a supercharging device |
| US12049829B2 (en) * | 2022-10-17 | 2024-07-30 | Borgwarner Inc. | Heat shield for a supercharging device |
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