Automobile brake disc with compensation structure

Abstract

The invention relates to the field of automobile brake discs, in particular to an automobile brake disc with a compensation structure. The automobile brake disc comprises a disc, a plurality of channels are formed in the disc and communicate with the inner side of the disc, a plurality of ventilation holes are formed in the two sides of the disc and communicate with the channels correspondingly, and a mounting frame is arranged on the outer side of the upper end of the disc; pushing mechanisms are arranged on the inner walls of the two sides of the mounting frame, brake pads are arranged on the opposite sides of the two pushing mechanisms, the two brake pads are located on the two sides of the upper end of the disc correspondingly, and heat dissipation mechanisms are arranged at the bottom ends of the two pushing mechanisms correspondingly; ring blocks are fixedly connected to the two sides of the disc correspondingly, cooling and heat dissipation are carried out on the contact position of the brake pad and the disc through a first fan blade, a second fan blade and a third fan blade, and therefore the situation that driving safety is affected by too high temperature of the disc is prevented; the continuous braking time can be greatly prolonged by prolonging the temperature and height of the disc, and long-distance downhill safe driving is facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of automobile brake disc, in particular to an automobile brake disc with compensation structure. BACKGROUND

[0002] The brake disc, simply speaking, is a round plate, which is also rotating when the car is running. The brake caliper clamps the brake disc to generate braking force. When the brake is pressed, it clamps the brake disc to slow down or stop the car. The brake disc has good braking effect and is easier to maintain than the drum brake. The brake disc is a very important component in the braking system. A good brake disc has stable braking, no noise and no shaking.

[0003] However, when continuously braking for a long time, the high temperature of the brake disc will affect the braking effect, thereby increasing the risk. The efficiency of the brake disc's own heat dissipation effect is low. The temperature of the brake disc rises quickly, thereby affecting safe driving. When the pressures in the two sleeves are different, the two brake pads cannot contact the outer side of the disc at the same time, which will affect the braking effect and increase the probability of accidents in emergency situations. SUMMARY

[0004] In view of the problem that the high temperature of the brake disc will affect the braking effect when continuously braking for a long time, thereby increasing the risk, the efficiency of the brake disc's own heat dissipation effect is low. The temperature of the brake disc rises quickly, thereby affecting safe driving. When the pressures in the two sleeves are different, the two brake pads cannot contact the outer side of the disc at the same time, which will affect the braking effect and increase the probability of accidents in emergency situations, the present application provides an automobile brake disc with compensation structure.

[0005] The technical solution adopted by this invention to solve its technical problem is as follows: a car brake disc with a compensation structure, comprising a disc, wherein the disc has a plurality of channels inside, all of which are connected to the inner side of the disc; a plurality of ventilation holes are provided on both sides of the disc, which are respectively connected to the plurality of channels; a mounting bracket is provided on the outer side of the upper end of the disc; a pushing mechanism is provided on the inner walls of both sides of the mounting bracket; brake pads are provided on opposite sides of two pushing mechanisms, and the two brake pads are respectively located on both sides of the upper end of the disc; a heat dissipation mechanism is provided at the bottom end of both pushing mechanisms; and ring blocks are fixedly connected to both sides of the disc, the two ring blocks being circular. The center of each ring corresponds to the center of the disc. Several toothed blocks are evenly fixed on the outer side of the two ring blocks. The two heat dissipation mechanisms correspond to the toothed blocks on the two ring blocks respectively. Two crossbars are fixedly connected inside the mounting frame. Two mounting blocks are fixedly connected to the upper ends of the two brake pads. The four mounting blocks are movably connected to the two crossbars respectively. Push plates are fixedly connected to the opposite sides of the upper ends of the two mounting blocks. The two push plates are horizontally set. Two pushing components are provided between the two crossbars. The two pushing components correspond to the two mounting blocks. An auxiliary mechanism is provided on the top wall of the mounting frame. The bottom end of the auxiliary mechanism corresponds to the upper end of the disc. Both of the aforementioned pushing mechanisms include a cylinder, a cavity, a piston, an oil inlet pipe, and a connecting column. The cylinder is fixedly connected to the inner side of the mounting bracket. A piston is movably connected inside the cylinder. The piston is adapted to the inside of the cylinder. A cavity is formed between the piston and the inner wall of the cylinder. One side of the piston is fixedly connected to a brake pad through the connecting column. An oil inlet pipe is fixedly connected to the outer side of the cylinder. The oil inlet pipe communicates with the inside of the cavity.

[0006] Specifically, both heat dissipation mechanisms include a first bevel gear, a first rotating rod, several fan plates, a second bevel gear, a first fan blade, a second fan blade, a third fan blade, and a second rotating rod. The first and second rotating rods are rotatably connected to the inner side of the mounting frame. The first bevel gear is fixedly sleeved on the outer side of the first rotating rod, and the second bevel gear is fixedly sleeved on the outer side of the second rotating rod. The first and second bevel gears mesh with each other. Several fan plates are evenly fixed on the outer side of the end of the first rotating rod away from the first bevel gear. The fan plates mesh with the tooth blocks. The first fan blade is sleeved on the outer side of the second rotating rod. A second fan blade is provided on one side of the first fan blade, and a third fan blade is provided on one side of the second fan blade. The first, second, and third fan blades are all fixedly sleeved on the second rotating rod.

[0007] Specifically, both of the aforementioned pushing components include a push rod, a flap, a rotating shaft, a push column, a hemispherical block, and a circular hole. One end of the push rod is fixedly connected to a corresponding mounting block, and the other end of the push rod is movably connected to another mounting block through the circular hole. The flap is rotatably connected between two crossbars via the rotating shaft. A hemispherical block is fixedly connected to the end of the push rod near the flap, and the arc surface of the hemispherical block fits against one side of the upper end of the flap. A push column is fixedly connected to one side of the bottom end of the mounting block. The push column is horizontally positioned, and the end of the push column away from the mounting block fits against one side of the bottom end of the flap.

[0008] Specifically, the auxiliary mechanism includes an auxiliary brake pad, a pin, a slot, a rod, a trapezoidal block, and a spring. The auxiliary brake pad is fixedly connected to the bottom end of the pin, and the trapezoidal block is fixedly connected to the top end of the pin. A slot is provided between the trapezoidal block and the pin. The bottom end of the rod is movably inserted into the slot. The top end of the rod is fixedly connected to the inner wall of the mounting frame. A spring is fixedly connected between the top end of the trapezoidal block and the inner wall of the mounting frame. The spring is sleeved around the outside of the rod.

[0009] Specifically, the specifications of the two first bevel gears are both larger than the specifications of the two second bevel gears.

[0010] Specifically, the specifications of the two first fan blades, the two second fan blades, and the two third fan blades decrease sequentially, and the two first fan blades, the two second fan blades, and the two third fan blades correspond to the two brake pads respectively.

[0011] Specifically, the bottom end of the auxiliary brake pad is provided with an arc groove, which is adapted to the outer arc surface of the disc.

[0012] Specifically, each of the two push plates has an inclined surface at its opposite bottom end, and the two inclined surfaces are respectively attached to the two sides of the trapezoidal block.

[0013] The beneficial effects of this invention are: (1) The automobile brake disc with compensation structure described in this invention drives the ring block and several toothed blocks on the ring block to rotate synchronously during the rotation of the disc. The toothed blocks drive the fan plate to rotate synchronously. The fan plate drives the first rotating rod and the first rotating rod to rotate. The second bevel gear, which meshes with the first bevel gear, drives the second rotating rod to rotate. This causes the first fan blade, the second fan blade and the third fan blade on the second rotating rod to rotate rapidly. The first fan blade, the second fan blade and the third fan blade assist the brake pads in contacting the disc to cool down and dissipate heat. This prevents the disc from getting too hot and affecting driving safety. Especially on long downhill roads, extending the time for the disc to get hot will greatly increase the time for continuous braking, which is conducive to safe driving on long downhill roads.

[0014] (2) The automobile brake disc with compensation structure described in this invention will drive the push rod to push the flip plate when the mounting block moves laterally, so that the flip plate will flip. When the flip plate flips, it will push the push column, which will push the other mounting block to move laterally, so that the two brake pads will move horizontally at the same distance, ensuring that the two brake pads will contact the outer side of the disc at the same time, ensuring the braking effect and increasing safety. When the mounting block moves, it will also drive the push plate to move. Through the combination of the inclined surface on one side of the bottom end of the push plate and the side of the trapezoidal block, the trapezoidal block will be pushed down. When the trapezoidal block moves down, it will stretch the spring and also make the auxiliary brake pad contact the outer side of the disc, which can enhance the braking effect and prevent the braking safety from being greatly affected when one of the brake pads is damaged. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] Figure 1 A schematic diagram of an automotive brake disc with a compensation structure provided by the present invention; Figure 2 A schematic diagram of a heat dissipation mechanism for an automotive brake disc with a compensation structure provided by the present invention; Figure 3 A schematic diagram of a push assembly structure for an automotive brake disc with a compensation structure provided by the present invention; Figure 4 A schematic diagram of a circular structure of an automobile brake disc with a compensation structure provided by the present invention; Figure 5 A schematic diagram of an auxiliary mechanism for an automobile brake disc with a compensation structure provided by the present invention; Figure 6 A schematic diagram of the connection structure between the push plate and the trapezoidal block of an automobile brake disc with a compensation structure provided by the present invention; Figure 7 This is a schematic diagram of an auxiliary brake pad structure for an automobile brake disc with a compensation structure, provided by the present invention.

[0017] In the diagram: 1. Disc; 2. Channel; 3. Ventilation hole; 4. Mounting bracket; 5. Pushing mechanism; 51. Cylinder; 52. Cavity; 53. Piston; 54. Oil inlet pipe; 55. Connecting column; 6. Auxiliary mechanism; 61. Auxiliary brake pad; 62. Insertion column; 63. Slot; 64. Insertion rod; 65. Trapezoidal block; 66. Spring; 7. Heat dissipation mechanism; 71. First bevel gear; 72. First rotating rod; 73. 74. Second bevel gear; 75. First fan blade; 76. Second fan blade; 77. Third fan blade; 78. Second rotating rod; 89. Push assembly; 80. Push rod; 81. Flip plate; 82. Rotating shaft; 83. Hemispherical block; 84. Circular hole; 85. Push column; 86. Brake pad; 10. Mounting block; 11. Crossbar; 12. Push plate; 13. Ring block; 14. Tooth block; 15. Inclined surface; 16. Arc groove. Detailed Implementation

[0018] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0019] like Figures 1-7 As shown, the present invention discloses a car brake disc with a compensation structure, comprising a disc 1, with a plurality of channels 2 inside the disc 1, all of which are connected to the inner side of the disc 1. A plurality of ventilation holes 3 are provided on both sides of the disc 1, and these ventilation holes 3 are respectively connected to the channels 2. A mounting bracket 4 is provided on the outer side of the upper end of the disc 1. Pushing mechanisms 5 are provided on the inner walls of both sides of the mounting bracket 4. Brake pads 9 are provided on opposite sides of the two pushing mechanisms 5, and the two brake pads 9 are respectively located on both sides of the upper end of the disc 1. A heat dissipation mechanism 7 is provided at the bottom of both pushing mechanisms 5. Ring blocks 13 are fixedly connected to both sides of the disc 1, with the centers of the two ring blocks 13 corresponding to the center of the disc 1. A plurality of toothed blocks 14 are uniformly fixed to the outer side of the two ring blocks 13, and the two heat dissipation mechanisms 7 correspond to the toothed blocks 14 on the two ring blocks 13 respectively. Two... The crossbar 11 has two mounting blocks 10 fixedly connected to the upper ends of the two brake pads 9. The four mounting blocks 10 are movably connected to the two crossbars 11 respectively. Push plates 12 are fixedly connected to the opposite sides of the upper ends of the two mounting blocks 10. The two push plates 12 are horizontally set. Two pushing components 8 are provided between the two crossbars. The two pushing components 8 are corresponding to the two mounting blocks 10. An auxiliary mechanism 6 is provided on the top wall of the mounting frame 4. The bottom end of the auxiliary mechanism 6 is corresponding to the upper end of the disc 1. The first fan blade 75, the second fan blade 76 and the third fan blade 77 assist the brake pads 9 in contacting the disc 1 to cool down and dissipate heat, thereby preventing the disc 1 from overheating and affecting driving safety. Especially on long downhill roads, extending the time for the disc 1 to overheat will greatly increase the time for continuous braking, which is conducive to safe driving on long downhill roads. Both push mechanisms 5 include a cylinder 51, a cavity 52, a piston 53, an oil inlet pipe 54, and a connecting column 55. The cylinder 51 is fixedly connected to the inner side of the mounting bracket 4. The piston 53 is movably connected inside the cylinder 51. The piston 53 is adapted to the inside of the cylinder 51, and a cavity 52 is formed between the piston 53 and the inner wall of the cylinder 51. One side of the piston 53 is fixedly connected to the brake pad 9 through the connecting column 55. The oil inlet pipe 54 is fixedly connected to the outside of the cylinder 51. The oil inlet pipe 54 communicates with the inside of the cavity 52. ​​Hydraulic oil enters the cavity 52 of the cylinder 51 through the oil inlet pipe 54. The hydraulic oil pushes the piston 53 to move laterally. The piston 53 drives the connecting column 55 and the brake pad 9 to move laterally. The two brake pads 9 contact the two sides of the disc 1 respectively, thereby braking the disc 1.

[0020] Specifically, both heat dissipation mechanisms 7 include a first bevel gear 71, a first rotating rod 72, several fan plates 73, a second bevel gear 74, a first fan blade 75, a second fan blade 76, a third fan blade 77, and a second rotating rod 78. Both the first rotating rod 72 and the second rotating rod 78 are rotatably connected to the inner side of the mounting bracket 4. The first bevel gear 71 is fixedly sleeved on the outer side of the first rotating rod 72, and the second bevel gear 74 is fixedly sleeved on the outer side of the second rotating rod 78. The first bevel gear 71 and the second bevel gear 74 mesh. Several fan plates 73 are evenly fixed on the outer side of the end of the first rotating rod 72 away from the first bevel gear 71. The fan plates 73 mesh with the toothed blocks 14. The first fan blade 75 is sleeved on the outer side of the second rotating rod 78. A second fan blade 76 is provided on one side, and a third fan blade 77 is provided on one side of the second fan blade 76. The first fan blade 75, the second fan blade 76, and the third fan blade 77 are all fixedly sleeved with the second rotating rod 78. The fan plate 73 is driven to rotate synchronously through the toothed block 14. The fan plate 73 drives the first rotating rod 72 and the first rotating rod to rotate. The second bevel gear 74, which meshes with the first bevel gear 71, drives the second rotating rod 78 to rotate, thereby causing the first fan blade 75, the second fan blade 76, and the third fan blade 77 on the second rotating rod 78 to rotate rapidly. The first fan blade 75, the second fan blade 76, and the third fan blade 77 assist the brake pad 9 in contacting the disc 1 to cool down and dissipate heat, thereby preventing the disc 1 from overheating and affecting driving safety.

[0021] Specifically, both pushing components 8 include a push rod 81, a flap 82, a rotating shaft 83, a push column 86, a hemispherical block 84, and a circular hole 85. One end of the push rod 81 is fixedly connected to the corresponding mounting block 10, and the other end of the push rod 81 is movably connected to another mounting block 10 through the circular hole 85. The flap 82 is rotatably connected between the two crossbars 11 through the rotating shaft 83. The end of the push rod 81 near the flap 82 is fixedly connected to the hemispherical block 84, and the arc surface of the hemispherical block 84 fits against one side of the upper end of the flap 82. The bottom end of the mounting block 10... A push post 86 is fixedly connected to the side. The push post 86 is horizontally set. The end of the push post 86 away from the mounting block 10 is attached to the bottom side of the flip plate 82. When the mounting block 10 moves laterally, it will push the flip plate 82 through the push rod 81, causing the flip plate 82 to flip. When the flip plate 82 flips, it will push the push post 86, which will push the other mounting block 10 to move laterally, so that the two brake pads 9 will move horizontally synchronously and at the same distance, ensuring that the two brake pads 9 will contact the outer side of the disc 1 at the same time, ensuring the braking effect and increasing safety.

[0022] Specifically, the auxiliary mechanism 6 includes an auxiliary brake pad 61, a pin 62, a slot 63, a rod 64, a trapezoidal block 65, and a spring 66. The auxiliary brake pad 61 is fixedly connected to the bottom end of the pin 62, and the trapezoidal block 65 is fixedly connected to the top end of the pin 62. A slot 63 is provided between the trapezoidal block 65 and the pin 62. The bottom end of the rod 64 is movably inserted into the slot 63, and the top end of the rod 64 is fixedly connected to the inner wall of the mounting bracket 4. A spring 66 is fixedly connected between the top end of the trapezoidal block 65 and the inner wall of the mounting bracket 4. The spring 66 is sleeved around the outside of the rod 64. When the mounting block 10 moves, it will also drive the push plate 12 to move. Through the combination of the inclined surface 15 on one side of the bottom end of the push plate 12 and the side of the trapezoidal block 65, the trapezoidal block 65 will be pushed down. When the trapezoidal block 65 moves down, it will stretch the spring 66 and also make the auxiliary brake pad 61 contact the outer side of the disc 1, which can enhance the braking effect and prevent the braking safety from being greatly affected when one of the brake pads 9 is damaged.

[0023] Specifically, the specifications of the two first bevel gears 71 are larger than those of the two second bevel gears 74, enabling the second rotating rod 78 to rotate at a faster speed, thereby causing the first fan blade 75, the second fan blade 76, and the third fan blade 77 to rotate rapidly and enhance the heat dissipation effect.

[0024] Specifically, the specifications of the two first fan blades 75, the two second fan blades 76, and the two third fan blades 77 decrease sequentially. The two first fan blades 75, the two second fan blades 76, and the two third fan blades 77 correspond to the two brake pads 9 respectively, ensuring that the first fan blades 75, the second fan blades 76, and the third fan blades 77 can blow air to the contact point between the disc 1 and the brake pads 9.

[0025] Specifically, the bottom end of the auxiliary brake pad 61 is provided with an arc groove 16, which is adapted to the outer arc surface of the disc 1 to ensure the auxiliary braking effect.

[0026] Specifically, each of the two push plates 12 has an inclined surface 15 at its bottom opposite side. The two inclined surfaces 15 are respectively attached to the two sides of the trapezoidal block 65 to ensure that the two push plates 12 will move laterally and drive the trapezoidal block 65 to move downwards in sync.

[0027] In operation, hydraulic oil enters the cavity 52 of the cylinder 51 through the oil inlet pipe 54. The hydraulic oil pushes the piston 53 to move laterally. The piston 53 drives the connecting column 55 and the brake pads 9 to move laterally. The two brake pads 9 contact the two sides of the disc 1 respectively, thereby braking the disc 1. During the rotation of the disc 1, it synchronously drives the ring block 13 and several toothed blocks 14 on the ring block 13 to rotate. The toothed blocks 14 synchronously drive the fan plate 73 to rotate. The fan plate 73 drives the first rotating rod 72 and the first rotating shaft to rotate. Through the meshing of the second bevel gear 74 with the first bevel gear 71, the second bevel gear 74 drives the second rotating rod 78 to rotate, thereby causing the first fan blade 75, the second fan blade 76, and the third fan blade 77 on the second rotating rod 78 to rotate rapidly. The first fan blade 75, the second fan blade 76, and the third fan blade 77 assist in cooling the contact area between the brake pads 9 and the disc 1, thereby preventing the disc 1 from overheating and affecting driving safety, especially on long downhill roads. Extending the time it takes for the disc 1 to warm up will greatly increase the duration of continuous braking, facilitating safe driving on long downhill sections. When the two brake pads 9 move towards each other, they will cause the mounting block 10 to move synchronously. When the mounting block 10 moves laterally, it will push the flip plate 82 through the push rod 81, causing the flip plate 82 to flip. When the flip plate 82 flips, it will push the push column 86, which will push the other mounting block 10 to move laterally, so that the two brake pads 9 will move horizontally synchronously and at the same distance, ensuring that the two brake pads 9 will contact the outer side of the disc 1 at the same time, ensuring braking effect and increasing safety. When the mounting block 10 moves, it will also drive the push plate 12 to move. Through the combination of the inclined surface 15 on one side of the bottom end of the push plate 12 and the side of the trapezoidal block 65, the trapezoidal block 65 will be pushed down. When the trapezoidal block 65 moves down, it will stretch the spring 66 and also cause the auxiliary brake pad 61 to contact the outer side of the disc 1, which can enhance the braking effect and prevent the braking safety from being greatly affected if one of the brake pads 9 is damaged.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by the present invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A car brake disc with a compensation structure, comprising a disc (1), characterized in that: The disc (1) has several channels (2) inside, and the channels (2) are all connected to the inner side of the disc (1). The disc (1) has several ventilation holes (3) on both sides, and the ventilation holes (3) are connected to the channels (2). The disc (1) has a mounting bracket (4) on the outer side of the upper end. The mounting bracket (4) has a pushing mechanism (5) on the inner wall of both sides. The two pushing mechanisms (5) have brake pads (9) on opposite sides. The two brake pads (9) are located on the upper sides of the disc (1). The two pushing mechanisms (5) have a heat dissipation mechanism (7) at the bottom. The disc (1) has ring blocks (13) fixedly connected to both sides. The center of the two ring blocks (13) corresponds to the center of the disc (1). The outer sides of the two ring blocks (13) are evenly spaced. Several toothed blocks (14) are fixedly attached. The two heat dissipation mechanisms (7) correspond to the toothed blocks (14) on the two ring blocks (13) respectively. Two crossbars (11) are fixedly connected inside the mounting frame (4). Two mounting blocks (10) are fixedly connected to the upper ends of the two brake pads (9). The four mounting blocks (10) are movably connected to the two crossbars (11) respectively. Push plates (12) are fixedly connected to the opposite sides of the upper ends of the two mounting blocks (10). The two push plates (12) are horizontally set. Two pushing components (8) are provided between the two crossbars (11). The two pushing components (8) correspond to the two mounting blocks (10). An auxiliary mechanism (6) is provided on the top wall of the mounting frame (4). The bottom end of the auxiliary mechanism (6) corresponds to the upper end of the disc (1). Both of the aforementioned pushing mechanisms (5) include a cylinder (51), a cavity (52), a piston (53), an oil inlet pipe (54), and a connecting column (55). The cylinder (51) is fixedly connected to the inside of the mounting bracket (4). The piston (53) is movably connected inside the cylinder (51). The piston (53) is adapted to the inside of the cylinder (51). A cavity (52) is formed between the piston (53) and the inner wall of the cylinder (51). One side of the piston (53) is fixedly connected to the brake pad (9) through the connecting column (55). An oil inlet pipe (54) is fixedly connected to the outside of the cylinder (51). The oil inlet pipe (54) communicates with the inside of the cavity (52).

2. The automotive brake disc with a compensation structure according to claim 1, characterized in that: Both heat dissipation mechanisms (7) include a first bevel gear (71), a first rotating rod (72), several fan plates (73), a second bevel gear (74), a first fan blade (75), a second fan blade (76), a third fan blade (77), and a second rotating rod (78). The first rotating rod (72) and the second rotating rod (78) are rotatably connected to the inner side of the mounting bracket (4). The first bevel gear (71) is fixedly sleeved on the outer side of the first rotating rod (72), and the second bevel gear (74) is fixedly sleeved on the outer side of the second rotating rod (78). The first rotating rod (72) meshes with the second bevel gear (74). A number of fan plates (73) are evenly fixed on the outer side of the end of the first rotating rod (72) away from the first bevel gear (71). The fan plates (73) mesh with the tooth block (14). The second rotating rod (78) is fitted with a first fan blade (75). A second fan blade (76) is provided on one side of the first fan blade (75). A third fan blade (77) is provided on one side of the second fan blade (76). The first fan blade (75), the second fan blade (76) and the third fan blade (77) are all fixedly fitted with the second rotating rod (78).

3. The automotive brake disc with a compensation structure according to claim 1, characterized in that: Both of the aforementioned pushing components (8) include a push rod (81), a flap (82), a rotating shaft (83), a push column (86), a hemispherical block (84), and a round hole (85). One end of the push rod (81) is fixedly connected to the corresponding mounting block (10), and the other end of the push rod (81) is movably connected to another mounting block (10) through the round hole (85). The flap (82) is rotatably connected between two crossbars (11) through the rotating shaft (83). The end of the push rod (81) near the flap (82) is fixedly connected to the hemispherical block (84), and the arc surface of the hemispherical block (84) is in contact with one side of the upper end of the flap (82). The bottom side of the mounting block (10) is fixedly connected to the push column (86), which is horizontally set. The end of the push column (86) away from the mounting block (10) is in contact with one side of the bottom end of the flap (82).

4. A car brake disc with a compensation structure according to claim 1, characterized in that: The auxiliary mechanism (6) includes an auxiliary brake pad (61), a plug (62), a slot (63), a rod (64), a trapezoidal block (65), and a spring (66). The bottom end of the plug (62) is fixedly connected to the auxiliary brake pad (61), and the top end of the plug (62) is fixedly connected to the trapezoidal block (65). A slot (63) is provided between the trapezoidal block (65) and the plug (62). The bottom end of the rod (64) is movably inserted into the slot (63). The top end of the rod (64) is fixedly connected to the inner wall of the mounting bracket (4). A spring (66) is fixedly connected between the top end of the trapezoidal block (65) and the inner wall of the mounting bracket (4). The spring (66) is sleeved around the rod (64).

5. A car brake disc with a compensation structure according to claim 2, characterized in that: The specifications of the two first bevel gears (71) are both larger than the specifications of the two second bevel gears (74).

6. A car brake disc with a compensation structure according to claim 2, characterized in that: The specifications of the two first fan blades (75), the two second fan blades (76) and the two third fan blades (77) decrease sequentially, and the two first fan blades (75), the two second fan blades (76) and the two third fan blades (77) correspond to the two brake pads (9) respectively.

7. A car brake disc with a compensation structure according to claim 4, characterized in that: The auxiliary brake pad (61) has an arc groove (16) at its bottom end, which is adapted to the outer arc surface of the disc (1).

8. A car brake disc with a compensation structure according to claim 1, characterized in that: Both of the push plates (12) have inclined surfaces (15) on their opposite bottom ends, and the two inclined surfaces (15) are respectively attached to the two sides of the trapezoidal block (65).

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