CN102606657A - Radiator shrapnel - Google Patents

Abstract

The invention provides a heat dissipation elastic sheet, which comprises a heat radiator and two elastic sheets, wherein the two elastic sheets are assembled in a disc brake of a bicycle, are connected and fixed on the heat radiator, and abut against the disc brake of the bicycle to fix a back plate of a brake pad.

Description

Radiator shrapnel

technical field

The invention relates to a cooling device for a brake, in particular to a cooling device for a bicycle disc brake. Background technique

Known bicycle disc brakes can refer to Taiwan Invention No. I329086 patent, which can use the principle of liquid pressure to drive the piston to move, and further make the pad and the brake disc friction to obtain the effect of slowing down the moving speed of the wheel. However, After friction between the pad and the brake disc, high temperature is often generated, which reduces the use effect of the pad and makes the disc brake lose its original function.

In this regard, there are patents such as Taiwan's new M343085 and Taiwan's new M365418, which try to improve the back plate of the rib chip, and use the back plate to assist the chip to dissipate heat. However, the surface area of the back plate is not much different from that of the rib chip, and the use effect is limited. Moreover, the backplane is pinched by the piston, which further limits the heat dissipation effect of the backplane.

Contents of the invention

The main purpose of the present invention is to provide another heat dissipation device for assembly in bicycle disc brakes to assist the plate to dissipate heat.

In order to achieve the above object, the present invention adopts the following specific technical solutions:

A heat dissipation shrapnel is suitable for a bicycle disc brake. The bicycle disc brake includes two back plates, two retaining plates and a pin. Each of the back plates has a first surface and a second surface. The two back plates The pieces are respectively fixed on the two first surfaces, each of the backboards is formed with a through hole, the pin is passed through the two throughholes, the two pieces are located between the two backplanes, and the heat dissipation shrapnel includes:

a radiator;

Two shrapnels are fixed under the radiator, each of the shrapnels extends below the radiator to form a connection section, an extension section and two abutment sections, the connection section is fixed on the radiator, the connection section extends longitudinally, The connecting section is formed with a positioning hole through which the bolt passes. The extending section extends laterally from the free end of the connecting section to both sides. The two abutting sections extend longitudinally from the extending section respectively. The section is for abutting against the first surface of one of the backboards; wherein the two elastic pieces have a tendency to elastically separate from each other, so that the two abutting sections are pressed against the two backboards, so that the two elastic pieces are separated from each other .

Wherein each of the elastic pieces is formed with at least one clamping portion, each of the clamping portions extends longitudinally from the extension section of the elastic piece, and one of the backboards is clamped between the clamping portion of each of the elastic pieces and the two abutting sections, so that the clamping The portion leans against the second surface of the backboard.

Wherein each of the elastic pieces has a plurality of clamping portions, and each of the elastic pieces is further formed with two connecting portions, and each of the connecting portions is connected between one of the abutting sections and one of the clamping portions.

Wherein the two abutting sections of each elastic piece are respectively connected to two ends of the extension section of each elastic piece.

Wherein the two abutting sections of each elastic piece are respectively connected to two ends of the extension section of each elastic piece.

Wherein the two abutting sections of each elastic piece are respectively connected to two ends of the extension section of each elastic piece.

Wherein the heat sink is formed with a plurality of grooves, so that the heat sink has a plurality of heat dissipation fins arranged side by side.

Wherein the heat sink is formed with an air hole, the air hole has a first opening and a second opening, the first opening is located on a side of the heat sink, and the second opening is located on a top surface of the heat sink.

Wherein the air hole includes a horizontal section and a vertical section, the horizontal section communicates with the first opening, and the vertical section is connected between the horizontal section and the second opening.

Beneficial effects of the present invention:

The heat dissipation shrapnel provided by the present invention can use the abutment section to contact the back plate, and conduct the heat generated by the brake to the abutment section, and further conduct it to the radiator through the extension section and the connecting section, and use the radiator to dissipate heat, so that The invention has excellent heat dissipation efficiency, can avoid excessively high plate temperature, and can maintain the use effect of the bicycle disc brake.

Description of drawings

Figure 1 is a perspective view of the present invention.

Fig. 2 is a three-dimensional exploded view of the present invention.

FIG. 2A is a cross-sectional view along line A-A of FIG. 2 .

FIG. 2B is a partially enlarged view of FIG. 2 .

Figure 3 is a side perspective view of the present invention.

Fig. 4 is a partial sectional view of the present invention.

Fig. 5 is a schematic diagram of the action of the present invention.

Explanation of main component symbols

1. 1': Shell 11: Pressure cylinder 12: Through hole 13: Screw hole

14: Pin hole 2: Piston 21: Gap 3: Fixing piece

4, 4': back plate 41: first surface 42: second surface 43: perforation

5, 5': Latch 6: Pin 7: Radiator 71: Fins

72: stomata 721: horizontal section 722: vertical section 73: first opening

74: Second opening 81: Connection section 811: Positioning hole 82: Extension section

83: Abutting section 84: Clamping part 85: Connecting part 9: Brake disc.

Detailed ways

As shown in Figures 1 to 4, the present invention provides a heat dissipation shrapnel suitable for use in a bicycle disc brake, wherein the bicycle disc brake includes two housings 1, 1', four pistons 2 , Two fixing parts 3, two backboards 4, 4', two making sheets 5, 5' and a latch 6.

The two casings 1, 1' are each formed with two pressure cylinders 11, and the pistons 2 are slidably accommodated in each pressure cylinder 11, and each of the casings 1, 1' is formed with an oil pressure cylinder connected to the pressure cylinder. channels (not shown), and the principle of fluid pressure can be used to control these pistons 2 to approach or move away from each other in pairs, wherein one housing 1 is formed with two through holes 12, and the other housing 1' is formed with two screw holes 13 , the two fixing parts 3 are respectively passed through the two through holes 12 and screwed in the two screw holes 13, so that the two casings 1, 1' are fixed to each other. In other possible embodiments of the present invention, the number of pressure cylinders 11 formed by the two housings 1, 1' and the number of pistons 2 included in the bicycle disc brake can also be changed. Each of the casings 1, 1' is formed with a pin hole 14. Each of the backboards 4, 4' has a first surface 41 and a second surface 42, and the two ribs 5, 5' are respectively fixed on the two first surfaces 41, and each of the backboards 4, 4' forms There is a perforation 43, and the two backboards 4, 4' are opposite to each other, so that the two ribs 5, 5' are located between the two backboards 4, 4', and the two backboards 4, 4' are placed in the Between these pistons 2, when these pistons 2 approach each other in pairs, the two back plates 4, 4' can be pushed close to each other. The pin 6 is passed through the two through holes 43 and through the two pin holes 14 .

The heat dissipation shrapnel of the present invention includes a radiator 7 and two shrapnels.

The radiator 7 is for fixing the two elastic pieces and directly connecting with the two elastic pieces. Preferably, the radiator 7 is formed with a plurality of grooves, so that the radiator 7 has a plurality of cooling fins 71 arranged side by side. The heat sink can also be formed with an air hole 72. As shown in FIG. 3, the air hole has a first opening 73 and a second opening 74. Located on a top surface of the radiator 7, preferably, the air hole 72 includes a horizontal section 721 and a vertical section 722, the horizontal section 721 communicates with the first opening 73, the vertical section 722 is connected to the horizontal Between the segment 721 and the second opening 74 , air can enter the air hole 72 from the first opening 73 and then be discharged from the second opening 74 .

The two elastic pieces are fixed under the radiator 7, each of the elastic pieces extends below the radiator 7 to form a connecting section 81, an extending section 82 and two abutting sections 83, and preferably, one or more clips are formed. Section 84. The connecting section 81 is fixed on the radiator 7. Preferably, the connecting section 81 and the radiator 7 are integrally formed and fixed to each other, or in other possible embodiments of the present invention, it can also be fixed on the radiator 7. An insertion hole is formed, and the connecting section 81 is inserted and fixed in the insertion hole. The connecting section 81 extends longitudinally and defines a positioning hole 811 through which the pin 6 passes. The extending section 82 extends laterally from the free end of the connecting section 81 to two sides. Please further refer to FIG. 2A and FIG. 2B, the two abutment sections 83 extend longitudinally from the extension section 82 respectively, preferably, the two abutment sections 83 extend from both ends of the extension section 82, and are respectively connected to two ends of the extension section 82 . The clamping portion 84 also extends longitudinally from the extension section 82 of the elastic piece. Preferably, each elastic piece is formed with a plurality of clamping portions 84, and the positions of the clamping portions 84 are symmetrical to the longitudinal central axis of the elastic piece. One of the backboards 4 can be clamped between the clip portion 84 of one of the elastic pieces and the two abutment sections 83, so that the two abutment sections 83 are against the first surface 41 of one of the backboards, and the clips The portion 84 abuts against the second surface 42 of the back plate. In a preferred situation, each of the elastic pieces is additionally formed with two connecting parts 85, and each of the connecting parts 85 is connected between one of the abutting sections 83 and one of the clip parts 84, so that the abutting section 83, the connecting part 85 and the clip The cross section formed by the portion 84 is ㄈ-shaped, as shown in FIG. 2A , which can improve the structural strength of the elastic piece.

In addition, the two elastic pieces have a tendency to elastically separate from each other, so that each abutment segment 83 is abutted against the two back plates 4, 4', so that the two elastic pieces 5, 5' are separated from each other, specifically, can Utilizing the elasticity of the materials of the two connecting sections 81, the two elastic pieces have a tendency to be elastically separated from each other. In other possible embodiments of the present invention, an elastic spring or other elastic parts can also be interposed between the two elastic pieces. , using the elastic piece to resist between the two elastic pieces.

Based on the above, the abutting section 83 and the clip portion 84 in the present invention are abutted against the back plate 4. When the present invention is assembled in the bicycle together with the disc brake of the bicycle, the heat generated by the brake can be dissipated by the present invention, and more Specifically, as shown in Figure 4 and Figure 5, when the rider of the bicycle brakes, the piston 2 is used to push the back plate 4 and the back plate 5, so that the back plate 5 and the brake disc 9 are rubbed, so that Sometimes the sheet 5 will generate high temperature, and the back plate 4 tightly fixed with the sheet 5 also has a higher temperature. The heat is conducted to the abutting section 83 and the clamping section 84, and is further conducted to the radiator 7 via the extension section 82 and the connecting section 81. The radiator 7 has a larger surface area and can conduct heat to the surrounding air more efficiently. , can effectively suppress the temperature rise of the back plate 4 and the pad 5, and prevent the pad 5 from being overheated and losing the effect of braking.

Furthermore, in the present invention, the clamping portion 84 of the elastic sheet abuts against the second surface 42 of the back plate 4, so that the clamping portion 84 is sandwiched between the back plate 4 and the piston 2 of the bicycle disc brake, and the piston 2 and the piston 2 of the bicycle disc brake Cracks 21 are formed between the backboards 4 , allowing air to flow into the gaps 21 , thereby improving the heat dissipation efficiency of the backplanes 4 .

In addition, the radiator in the present invention can not only be formed with a plurality of heat dissipation fins 71, but also can be further formed with an air hole, so that the first opening 73 can face to the front of the riding direction, so that when the user is riding, the surrounding The air automatically enters the air hole, which improves the heat dissipation efficiency of the radiator 7 in the present invention, and obtains an excellent use effect.

Summarizing the above embodiments, the present invention can be assembled in bicycle disc brakes to dissipate heat to avoid excessive temperature of the brake pads, maintain the braking effect of the brake pads, and improve the safety of bicycle disc brakes. In addition, the present invention can further improve the heat dissipation efficiency of the backplane, which is indeed an improved effect.

Claims (9)

1. a heat radiation shell fragment is characterized in that, supplies to be applicable to a bicycle Disk brake; This bicycle Disk brake comprises two backboards, two linings and a latch, and respectively this backboard has a first surface and a second surface, and this two lining is fixedly arranged on this two first surface respectively; Respectively this backboard is formed with a perforation; This latch is arranged in this two perforation, and this two lining is between this two backboard, and this heat radiation shell fragment comprises: a radiator; Two shell fragments are fixedly arranged on this radiator below, and respectively this shell fragment has extended to form a linkage section, an extension and two against section to this radiator below; This linkage section is fixedly arranged on this radiator, this linkage section longitudinal extension, and this linkage section is formed with a positioning hole; This positioning hole supplies this latch to wear wherein; This extension from the free end of this linkage section to the both sides horizontal expansion, this two against section respectively from this extension longitudinal extension, this two supplies to be resisted against the wherein first surface of a backboard against section; Wherein this two shell fragment has the trend that flexibly is separated from each other, makes this two be resisted against this two backboard against section, makes this two lining be separated from each other.

2. heat radiation shell fragment according to claim 1; It is characterized in that; Wherein respectively this shell fragment respectively is formed with at least one folder portion; Respectively should folder portion from the extension of this shell fragment longitudinal extension, respectively the folder portion of this shell fragment and two makes this folder portion be resisted against the second surface of this backboard against supplying wherein a back sheet clip to establish wherein between the section.

3. heat radiation shell fragment according to claim 2 is characterized in that, wherein respectively this shell fragment has plural folder portion, and respectively this shell fragment more is formed with two joints, and respectively this joint is connected in wherein one against section and wherein between the folder portion.

4. heat radiation shell fragment according to claim 1 is characterized in that, wherein respectively two of this shell fragment is connected to the respectively two ends of the extension of this shell fragment against section.

5. heat radiation shell fragment according to claim 2 is characterized in that, wherein respectively two of this shell fragment is connected to the respectively two ends of the extension of this shell fragment against section.

6. heat radiation shell fragment according to claim 3 is characterized in that, wherein respectively two of this shell fragment is connected to the respectively two ends of the extension of this shell fragment against section.

7. according to each described heat radiation shell fragment in the claim 1 to 6, it is characterized in that wherein this radiator is formed with plural groove, make this radiator have the mutual radiating fin side by side of plural number.

8. heat radiation shell fragment according to claim 7; It is characterized in that wherein this radiator is formed with a pore, this pore has one first opening and one second opening; This first opening is positioned at a side of this radiator, and this second opening is positioned at an end face of this radiator.

9. heat radiation shell fragment according to claim 7 is characterized in that, wherein this pore comprises a horizontal segment and a vertical section, and this horizontal segment is connected with this first opening, and this vertical section is connected between this horizontal segment and this second opening.

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