CN211819699U - Automobile piston with heat dissipation structure - Google Patents
Automobile piston with heat dissipation structure Download PDFInfo
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- CN211819699U CN211819699U CN202020453702.6U CN202020453702U CN211819699U CN 211819699 U CN211819699 U CN 211819699U CN 202020453702 U CN202020453702 U CN 202020453702U CN 211819699 U CN211819699 U CN 211819699U
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- piston
- heat dissipation
- piston body
- cavity
- deep groove
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Abstract
The utility model discloses an automobile piston with a heat dissipation structure, which comprises a piston body with a piston cavity, wherein a heat dissipation deep groove is formed on the side wall of the piston body, an annular cavity is respectively arranged in one side of the piston body, which is close to the heat dissipation deep groove, and one side of the end face of the piston body, which is close to the piston cavity, and the annular cavity takes the axis of the piston body as the center and is arranged at one side of the heat dissipation deep groove, which is close to the end face of the piston body, which is close to the piston cavity; and a plurality of radiating holes which are uniformly distributed according to the circumference are arranged on the side wall of the radiating deep groove of the piston body and on the end surface of one side of the piston body with the piston cavity, and the radiating holes are respectively communicated with the annular cavity at the side where the radiating holes are positioned.
Description
Technical Field
The utility model belongs to the technical field of auto-parts, refer in particular to a take heat radiation structure's car piston.
Background
At present, in the mechanical industry of automobile engines and the like, during manufacturing of pistons, cast iron and steel are commonly used as materials, wherein cast iron is the most widely used. The piston head is directly contacted with high-temperature gas. After the temperature is high, the mechanical property of the material is obviously reduced inevitably; on the other hand, the temperature is high, the expansion amount of the piston is increased, and the matching between the piston and parts is easy to damage, so that the piston is required to be cooled well, however, the heat dissipation effect of the piston structure in the prior art is poor, and the service life of the whole piston is influenced.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to provide a simple structure and radiating effect are good take heat radiation structure's car piston.
In order to achieve the above purpose, the utility model provides a following technical scheme: an automobile piston with a heat dissipation structure comprises a piston body with a piston cavity, wherein a heat dissipation deep groove is formed in the side wall of the piston body, an annular cavity is respectively arranged in the piston body, at one side close to the heat dissipation deep groove and at one side close to the end face of the piston body with the piston cavity, the annular cavity takes the axis of the piston body as the center, and the annular cavity close to the heat dissipation deep groove is arranged at one side, close to the end face of the piston body with the piston cavity, of the heat dissipation deep groove; and a plurality of radiating holes which are uniformly distributed according to the circumference are arranged on the side wall of the radiating deep groove of the piston body and on the end surface of one side of the piston body with the piston cavity, and the radiating holes are respectively communicated with the annular cavity at the side where the radiating holes are positioned.
Through adopting foretell technical scheme, under the cooperation of ring channel and louvre, can go on dispelling outward to the heat in the piston body to good radiating effect has been played.
The utility model discloses further set up to: the piston body is internally provided with a plurality of connecting cavities which extend along the axial direction and are uniformly distributed according to the circumference by taking the axis of the piston body as the center, and the connecting cavities are communicated with two annular cavities.
Through adopting foretell technical scheme, can further ensure the radiating effect of piston body at the cooperation of connecting chamber and annular cavity.
The utility model discloses further set up to: the aperture of the heat dissipation hole is gradually reduced from outside to inside.
The utility model discloses further set up to: the side wall of the piston body is provided with an inwards concave arc-shaped surface.
Through adopting foretell technical scheme, the lateral wall of stopper body is formed with the arcwall face of indent to can improve the surface area of piston body lateral wall, thereby improve the radiating effect of piston body.
The utility model discloses further set up to: the arc-shaped surface is provided with a heat dissipation groove which is in a spiral shape.
Through adopting foretell technical scheme, be provided with spiral helicine heat dissipation recess on the arcwall face to can further improve the surface area of piston body, thereby further improve the radiating effect of piston body.
The utility model discloses further set up to: the heat dissipation holes are provided with blocking blocks, and the blocking blocks are composed of filter blocks with filtering functions. The annular through hole, the connecting cavity and the heat radiating groove on the piston body can be formed by dividing the side wall of the piston body into two parts, respectively processing the annular through hole, the connecting cavity and the heat radiating groove with common outlines, and finally splicing and fixing the two parts in modes of welding and the like; the fabrication may also be performed by other processes that may achieve this structure.
Through adopting foretell technical scheme, be provided with the sprue on the louvre to can prevent to get into annular cavity by dust impurity etc. and cause the condition emergence of jam.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
reference numbers in the drawings and corresponding part names: 1-piston body, 2-heat dissipation deep groove, 3-annular cavity, 4-heat dissipation hole, 5-connecting cavity, 6-arc surface, 7-heat dissipation groove and 8-block.
Detailed Description
An embodiment of the present invention is further explained with reference to fig. 1 to 2.
An automobile piston with a heat dissipation structure comprises a piston body 1 with a piston cavity, wherein a heat dissipation deep groove 2 is formed in the side wall of the piston body 1, an annular cavity 3 is respectively arranged in the piston body 1, one side close to the heat dissipation deep groove 2 and one side close to the end face of the piston body 1 with the piston cavity, the annular cavity 3 takes the axis of the piston body 1 as the center, and the annular cavity 3 close to the heat dissipation deep groove 2 is arranged on one side, close to the end face of the piston body 1 with the piston cavity, of the heat dissipation deep groove 2; and a plurality of heat dissipation holes 4 which are uniformly distributed according to the circumference are arranged on the side wall of the piston body 1 which is positioned on the heat dissipation deep groove 2 and on the end surface of one side of the piston body 1 with the piston cavity, and the heat dissipation holes 4 are respectively communicated with the annular cavity 3 at the side where the heat dissipation holes are positioned.
Through adopting foretell technical scheme, under the cooperation of ring channel and louvre 4, can go on outward the heat in the piston body 1 and dispel to good radiating effect has been played.
The utility model discloses further set up to: the piston body 1 is internally provided with a plurality of connecting cavities 5 which extend along the axial direction and are uniformly distributed according to the circumference by taking the axis of the piston body 1 as the center, and the connecting cavities 5 are communicated with two annular cavities 3.
By adopting the technical scheme, the heat dissipation effect of the piston body 1 can be further ensured by matching the connecting cavity 5 with the annular cavity 3.
The utility model discloses further set up to: the aperture of the heat dissipation hole 4 is gradually reduced from outside to inside.
The utility model discloses further set up to: the side wall of the piston body 1 is formed with an inwards concave arc surface 6.
Through adopting foretell technical scheme, the lateral wall of stopper body is formed with the arcwall face 6 of indent to can improve the surface area of piston body 1 lateral wall, thereby improve piston body 1's radiating effect.
The utility model discloses further set up to: the arc-shaped surface 6 is provided with a heat dissipation groove 7, and the heat dissipation groove 7 is spiral.
Through adopting foretell technical scheme, be provided with spiral helicine heat dissipation recess 7 on arcwall face 6 to can further improve piston body 1's surface area, thereby further improve piston body 1's radiating effect.
The utility model discloses further set up to: the heat dissipation holes 4 are provided with blocks 8, and the blocks 8 are formed by filter blocks with filtering functions. The annular through hole, the connecting cavity 5 and the heat radiating groove on the piston body 1 can be formed by dividing the side wall of the piston body 1 into two parts, respectively processing the annular through hole, the connecting cavity 5 and the heat radiating groove with common outlines, and finally splicing and fixing the two parts in a welding mode and the like; the fabrication may also be performed by other processes that may achieve this structure.
Through adopting foretell technical scheme, be provided with the sprue 8 on louvre 4 to can prevent to get into annular cavity 3 by dust impurity etc. and cause the condition emergence of jam.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides a take heat radiation structure's car piston, includes piston body (1) of taking the piston chamber, characterized by: a heat dissipation deep groove (2) is formed in the side wall of the piston body (1), an annular cavity (3) is respectively formed in the piston body (1), one side close to the heat dissipation deep groove (2) and one side close to the end face of the piston body (1) with a piston cavity, and the annular cavity (3) takes the axis of the piston body (1) as the center; and a plurality of radiating holes (4) which are uniformly distributed according to the circumference are formed in the side wall of the piston body (1) which is positioned on the radiating deep groove (2) and the end surface of one side of the piston body (1) with the piston cavity, and the radiating holes (4) are respectively communicated with the annular cavity (3) on the side where the radiating holes are positioned.
2. The automobile piston with the heat dissipation structure as set forth in claim 1, wherein: the piston is characterized in that a plurality of connecting cavities (5) which extend axially and are uniformly distributed according to the circumference by taking the axis of the piston body (1) as the center are arranged in the piston body (1), and the connecting cavities (5) are communicated with two annular cavities (3).
3. The automobile piston with the heat dissipation structure as set forth in claim 2, wherein: the aperture of the heat dissipation hole (4) is gradually reduced from outside to inside.
4. The automobile piston with the heat dissipation structure as set forth in claim 3, wherein: the side wall of the piston body (1) is provided with an inwards concave arc-shaped surface (6).
5. The automobile piston with the heat dissipation structure as set forth in claim 4, wherein: the arc-shaped surface (6) is provided with a heat dissipation groove (7), and the heat dissipation groove (7) is spiral.
6. The automobile piston with the heat dissipation structure as set forth in claim 5, wherein: and the heat dissipation hole (4) is provided with a blocking block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020453702.6U CN211819699U (en) | 2020-03-31 | 2020-03-31 | Automobile piston with heat dissipation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020453702.6U CN211819699U (en) | 2020-03-31 | 2020-03-31 | Automobile piston with heat dissipation structure |
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| Publication Number | Publication Date |
|---|---|
| CN211819699U true CN211819699U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020453702.6U Active CN211819699U (en) | 2020-03-31 | 2020-03-31 | Automobile piston with heat dissipation structure |
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| CN (1) | CN211819699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628014A (en) * | 2020-12-23 | 2021-04-09 | 邵莹 | High-wear-resistance automobile piston with heat dissipation structure |
-
2020
- 2020-03-31 CN CN202020453702.6U patent/CN211819699U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628014A (en) * | 2020-12-23 | 2021-04-09 | 邵莹 | High-wear-resistance automobile piston with heat dissipation structure |
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