CN210599951U - Heat dissipation brake disc - Google Patents
Heat dissipation brake disc Download PDFInfo
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- CN210599951U CN210599951U CN201921385552.3U CN201921385552U CN210599951U CN 210599951 U CN210599951 U CN 210599951U CN 201921385552 U CN201921385552 U CN 201921385552U CN 210599951 U CN210599951 U CN 210599951U
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- heat dissipation
- brake disc
- disc body
- heat
- groove
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Abstract
The utility model relates to the technical field of automobile braking equipment, in particular to a heat dissipation brake disc, which solves the problem of lower heat dissipation efficiency of the brake disc in the prior art, and comprises a brake disc body, the side surface of the brake disc body is provided with a heat dissipation groove extending along the circumferential direction of the brake disc body, a plurality of first heat dissipation strips are arranged in the heat dissipation groove, one end of the first radiating strip close to the axial direction of the brake disc body is obliquely arranged along the rotating direction of the brake disc body, the first heat dissipation strips extend along the vertical direction, the top ends and the bottom ends of the first heat dissipation strips are respectively and fixedly connected with the top surface and the bottom surface of the heat dissipation groove, a plurality of first heat dissipation strips are uniformly arranged along the circumferential direction of the brake disc body, a plurality of flow changing holes are formed in the surface, close to the axis of the brake disc body, of the heat dissipation groove, and through the arrangement, the heat dissipation performance of the brake disc is improved.
Description
Technical Field
The utility model relates to an automobile brake equipment technical field, in particular to heat dissipation brake disc.
Background
In vehicle devices such as automobiles, a disc brake mechanism is generally adopted as a brake mechanism, and the disc brake mechanism mainly comprises the following structures: the wheel rotating shaft is fixedly connected with a brake disc, the edge of the brake disc is provided with a hydraulic pressing device, when the brake is in use, the friction plate in the pressing device is tightly held on the brake disc only through a hydraulic system, and the brake disc is rapidly decelerated under the friction action. Since the great kinetic energy of the vehicle needs to be dissipated in a short time, which is basically reflected in the frictional heat of the brake disc, the brake disc will heat up rapidly during braking.
Chinese patent with publication number CN201821144609.6 discloses a rib heat dissipation brake disc, which comprises a brake disc body, wherein a plurality of heat dissipation ribs for increasing the contact area between a cooling disc and air are fixedly arranged in the middle of the brake disc body, the brake disc body is divided into an upper part and a lower part by the heat dissipation ribs, and the heat dissipation ribs and the brake disc body form a plurality of heat dissipation through holes.
Among the above-mentioned technical scheme, through set up the heat dissipation through-hole on the brake disc body, make brake disc body and air area of contact grow to increase the radiating effect, nevertheless the brake disc body is at the pivoted in-process, because the air current in the heat dissipation through-hole can not form comparatively effectual flow with external air current, thereby lead to the heat in the heat dissipation through-hole can not comparatively effectual giving off.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heat dissipation brake disc to increase the thermal diffusivity of brake disc.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a heat dissipation brake disc, includes the brake disc body, brake disc body side has been seted up and has been followed the radiating groove that brake disc body circumference extends, be provided with the first heat dissipation strip of a plurality of in the radiating groove, first heat dissipation strip is close to the one end of brake disc body axis direction sets up along the slope soon of brake disc body, first heat dissipation strip extends along vertical direction, first heat dissipation strip top and bottom be fixed connection respectively in radiating groove top surface and bottom surface, the first heat dissipation strip of a plurality of are followed brake disc body circumference evenly sets up, the radiating groove is close to a plurality of discharge orifice has been seted up on the surface of brake disc body axis.
Through above-mentioned technical scheme, through mutually supporting between first heat dissipation strip and the change of current hole, because first heat dissipation strip is close to the one end of brake disc body axis direction sets up along the brake disc body is revolved to the slope, when the brake disc body rotates, make first heat dissipation strip produce the effort of keeping away from brake disc body axis direction towards the air in the radiating groove, thereby put at brake disc body central point and form the negative pressure zone, the air current gets into the radiating groove and flows from the radiating groove periphery from the change of current hole, it flows to form comparatively quick air current in the radiating groove, thereby the heat that makes the brake disc body gives off rapider, increase the thermal diffusivity of brake disc body.
The utility model discloses further set up to: still be provided with a plurality of second heat dissipation strip and a plurality of third heat dissipation strip in the radiating groove, first heat dissipation strip, second heat dissipation strip and third heat dissipation strip are followed the brake disc body radially sets gradually, and a plurality of second heat dissipation strip and a plurality of third heat dissipation strip are all followed brake disc body circumference evenly sets up, just the second heat dissipation strip with the third heat dissipation strip all inclines to set up and incline the direction with first heat dissipation strip is the same.
Through the technical scheme, through setting up second heat dissipation strip and third heat dissipation strip, make the brake disc body at the pivoted in-process, second heat dissipation strip and third heat dissipation strip play further promotion effect to the air current, the flow efficiency of air current in the radiating groove has been increased, thereby the thermal diffusivity of brake disc body has further been promoted, and through addding second heat dissipation strip and third heat dissipation strip, the area of contact of brake disc body and air has been increased, thereby the thermal diffusivity of brake disc body has been promoted, the structural strength of brake disc body has also been increased.
The utility model discloses further set up to: the aperture of the converter holes is gradually reduced towards the direction far away from the axis of the brake disc body.
Through above-mentioned technical scheme, through reducing the setting gradually with change of current hole aperture, when the air current through change of current hole, the pressure between the pore wall in change of current hole and the air current produces the compression effect to the air current, and the air current is when entering into the radiating groove through change of current hole, because lose the pressure in change of current hole pore wall and take place the inflation, because the gas expansion heat absorption to reduce the temperature in the radiating groove, promote the thermal diffusivity of brake disc body.
The utility model discloses further set up to: and a plurality of reinforcing columns are arranged in the heat dissipation groove, and the top ends and the bottom ends of the reinforcing columns are respectively and fixedly connected to the top surface and the bottom surface of the heat dissipation groove.
Through above-mentioned technical scheme, through set up the enhancement post in the radiating groove to promote the structural strength of brake disc body, the difficult condition that takes place the brake disc body and damage increases the life of brake disc body.
The utility model discloses further set up to: the side surface of the reinforcing column is in an arc surface arrangement.
Through above-mentioned technical scheme, through setting up the side of strengthening the post into the cambered surface, when making the air current flow in the radiating groove, reduce and strengthen the resistance between the post to increase the efficiency that the air current flows.
The utility model discloses further set up to: the top surface of the heat dissipation groove is provided with a first heat dissipation hole penetrating through the top surface of the brake disc body.
Through above-mentioned technical scheme, through seting up first louvre at the radiating groove top surface, increase the area of contact between brake disc body and the air to increase the efficiency of radiating groove air circulation conversion, thereby further strengthen the thermal diffusivity of brake disc body.
The utility model discloses further set up to: and the bottom surface of the radiating groove is provided with a second radiating hole which penetrates through the bottom surface of the brake disc body and corresponds to the first radiating hole.
Through above-mentioned technical scheme, through setting up the second louvre corresponding with first louvre, further increased the efficiency of air circulation conversion in the radiating groove.
The utility model discloses further set up to: and the aperture of the first heat dissipation hole and the aperture of the second heat dissipation hole are gradually reduced towards the direction close to the heat dissipation groove.
Through above-mentioned technical scheme, when the air current got into the radiating groove inside through first louvre and second louvre, first louvre and second louvre inner wall had the compression effect to the air current to make the air current after getting into the radiating groove, lose the extrusion effort of first louvre pore wall and second louvre pore wall and take place the inflation, because the endothermic principle of gas expansion, in order to reduce the temperature in the radiating groove, increase the thermal diffusivity of brake disc body.
To sum up, the utility model discloses following beneficial effect has:
1. through setting up first heat dissipation strip, second heat dissipation strip and third heat dissipation strip to cooperate with the commutation hole, make the air in the radiating groove realize continuous conversion with external air, thereby increase the radiating effect of brake disc body, in order to increase the thermal diffusivity of brake disc body.
2. Through setting up the enhancement post to promote the structural strength of brake disc body, the difficult condition that takes place the brake disc body and damage increases the life of brake disc body.
3. Through setting up first louvre and second louvre to increase the efficiency of air circulation conversion in the radiating groove, further increase the thermal diffusivity of brake disc body.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
fig. 2 is a sectional view of the present embodiment.
Reference numerals: 1. a brake disc body; 2. a heat sink; 3. a first heat dissipation strip; 4. a second heat dissipation strip; 5. a third heat dissipation strip; 6. an air exchange hole; 7. a reinforcement column; 8. a first heat dissipation hole; 9. a second heat dissipation hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A heat dissipation brake disc is shown in figures 1 and 2 and comprises a brake disc body 1, wherein heat dissipation grooves 2 extending along the circumferential direction of the brake disc body 1 are formed in the side face of the brake disc body 1, a plurality of first heat dissipation strips 3, a plurality of second heat dissipation strips 4 and a plurality of third heat dissipation strips 5 are arranged in the heat dissipation grooves 2, the plurality of first heat dissipation strips 3, the plurality of second heat dissipation strips 4 and the plurality of third heat dissipation strips 5 are uniformly arranged around the circumferential direction of the brake disc body 1, the first heat dissipation strips 3, the second heat dissipation strips 4 and the third heat dissipation strips 5 are sequentially arranged along the radial direction of the brake disc body 1, one ends, close to the axial direction of the brake disc body 1, of the first heat dissipation strips 3 are obliquely arranged along the rotary direction of the brake disc body 1, the second heat dissipation strips 4 and the third heat dissipation strips 5 are obliquely arranged, the oblique directions of the second heat dissipation strips 4 and the third heat dissipation strips 5 are the same as the first heat dissipation strips 3, and the first heat, The top and the bottom of second heat dissipation strip 4 and third heat dissipation strip 5 are fixed connection in heat dissipation groove 2 top surface and bottom surface respectively, and a plurality of commutation hole 6 has been seted up on the surface that heat dissipation groove 2 is close to 1 axis of brake disc body.
When brake disc body 1 rotates, first heat dissipation strip 3, second heat dissipation strip 4 and third heat dissipation strip 5 produce the effort of keeping away from 1 axis direction of brake disc body towards the air in heat-radiating groove 2, thereby put at 1 central point of brake disc body and form the negative pressure zone, the air current gets into heat-radiating groove 2 and flows from 2 peripheries of heat-radiating groove from current conversion hole 6, form comparatively quick air current in heat-radiating groove 2 and flow, thereby make the heat of brake disc body 1 give off more rapidly, increase the thermal diffusivity of brake disc body 1.
Be provided with a plurality of top and bottom difference fixed connection in the strengthening post 7 of 2 top surfaces of radiating groove and bottom surface in radiating groove 2, strengthen the 7 sides of post and set up to the cambered surface to promote brake disc body 1's structural strength, the difficult condition that takes place brake disc body 1 and damage increases brake disc body 1's life.
In order to increase the heat dissipation performance of the brake disc body 1, the top surface of the heat dissipation groove 2 is provided with a first heat dissipation hole 8 penetrating through the top surface of the brake disc body 1, and the bottom surface of the heat dissipation groove 2 is provided with a second heat dissipation hole 9 penetrating through the bottom surface of the brake disc body 1 and corresponding to the first heat dissipation hole 8.
For further increasing the thermal diffusivity of brake disc body 1, change of current hole 6 aperture orientation reduces gradually away from the direction of brake disc body 1 axis, and when the air current was through change of current hole 6, the pressure between the pore wall of change of current hole 6 and the air current produced the compression effect to the air current, and the air current is when entering into radiating groove 2 through change of current hole 6, takes place the inflation owing to losing the pressure of change of current hole 6 pore wall, because the gas expansion heat absorption to reduce the temperature in the radiating groove 2, promote the thermal diffusivity of brake disc body 1.
The first louvre 8 aperture and the 9 apertures of second louvre all reduce towards the direction that is close to radiating groove 2 gradually, refer to the principle of trading the orifice 6, when the air current gets into radiating groove 2 inside through first louvre 8 and second louvre 9, first louvre 8 and the 9 inner walls of second louvre have the compression effect to the air current, thereby make the air current after getting into radiating groove 2, lose the extrusion effort of the 8 pore walls of first louvre and the 9 pore walls of second louvre and take place the inflation, because the endothermic principle of gas expansion, in order to reduce the temperature in the radiating groove 2, increase the thermal diffusivity of brake disc body 1.
The working principle is as follows:
when brake disc body 1 rotated for first heat dissipation strip 3 produced the effort of keeping away from 1 axis direction of brake disc body towards the air in the radiating groove 2, thereby put at 1 central point of brake disc body and form the negative pressure zone, and the air current flows from changing of current hole 6 entering radiating groove 2 and from the outflow of 2 peripheries of radiating groove, forms comparatively quick air current in radiating groove 2 and flows, thereby makes the heat of brake disc body 1 give off with higher speed.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a heat dissipation brake disc, includes brake disc body (1), its characterized in that: the brake disc comprises a brake disc body (1), and is characterized in that the side face of the brake disc body (1) is provided with a radiating groove (2) extending along the circumferential direction of the brake disc body (1), a plurality of first radiating strips (3) are arranged in the radiating groove (2), the first radiating strips (3) are close to one end of the axis direction of the brake disc body (1) and are arranged in a rotating direction and an inclined direction along the brake disc body (1), the first radiating strips (3) extend along the vertical direction, the top end and the bottom end of each first radiating strip (3) are fixedly connected to the top surface and the bottom surface of the radiating groove (2), and the first radiating strips (3) are arranged along the circumferential direction of the brake disc body (1) uniformly, and the radiating groove (2) is close to a plurality of commutation holes (6) are formed in the surface of the axis of.
2. The heat-dissipating brake disc of claim 1, wherein: still be provided with a plurality of second heat dissipation strip (4) and a plurality of third heat dissipation strip (5) in radiating groove (2), first heat dissipation strip (3), second heat dissipation strip (4) and third heat dissipation strip (5) are followed brake disc body (1) radially sets gradually, and a plurality of second heat dissipation strip (4) and a plurality of third heat dissipation strip (5) all follow brake disc body (1) circumference evenly sets up, just second heat dissipation strip (4) with third heat dissipation strip (5) all incline set up and incline direction with first heat dissipation strip (3) are the same.
3. The heat-dissipating brake disc of claim 1, wherein: the diameter of the flow changing hole (6) is gradually reduced towards the direction far away from the axis of the brake disc body (1).
4. The heat-dissipating brake disc of claim 1, wherein: and a plurality of reinforcing columns (7) with top ends and bottom ends respectively fixedly connected to the top surface and the bottom surface of the heat dissipation groove (2) are arranged in the heat dissipation groove (2).
5. The heat-dissipating brake disc of claim 4, wherein: the side surface of the reinforcing column (7) is arranged in a cambered surface manner.
6. The heat-dissipating brake disc of claim 1, wherein: the top surface of the heat dissipation groove (2) is provided with a first heat dissipation hole (8) penetrating through the top surface of the brake disc body (1).
7. The heat-dissipating brake disc of claim 6, wherein: the bottom surface of the heat dissipation groove (2) is provided with a second heat dissipation hole (9) which penetrates through the bottom surface of the brake disc body (1) and corresponds to the first heat dissipation hole (8).
8. The heat-dissipating brake disc of claim 7, wherein: the aperture of the first heat dissipation hole (8) and the aperture of the second heat dissipation hole (9) are gradually reduced towards the direction close to the heat dissipation groove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921385552.3U CN210599951U (en) | 2019-08-26 | 2019-08-26 | Heat dissipation brake disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921385552.3U CN210599951U (en) | 2019-08-26 | 2019-08-26 | Heat dissipation brake disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210599951U true CN210599951U (en) | 2020-05-22 |
Family
ID=70687295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921385552.3U Expired - Fee Related CN210599951U (en) | 2019-08-26 | 2019-08-26 | Heat dissipation brake disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210599951U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090688A (en) * | 2021-03-02 | 2021-07-09 | 上海交通大学 | Brake disc for new energy electric automobile |
-
2019
- 2019-08-26 CN CN201921385552.3U patent/CN210599951U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090688A (en) * | 2021-03-02 | 2021-07-09 | 上海交通大学 | Brake disc for new energy electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |