TWI599510B - Disk - Google Patents

Description

Disc

The present invention relates to a disc.

The conventional discs are mostly single-piece, the outer ring is for the caliper to hold the brake action, and the central part is connected with the flower hub. However, the high heat generated by the brakes in this type of structure is transmitted to the flower through the disc. The hub has an adverse effect.

Therefore, there is a two-piece combination brake disc comprising an inner ring disc for coupling with the flower hub and an outer ring disc for clamping the caliper, and an outer hole is provided in the center of the outer ring disc for the inner ring disc to be set. The two are fixed by a plurality of positioning members, so as to reduce the high heat conduction of the brake to the flower hub, wherein one type of the outer ring disk and the inner ring disk are partially overlapped with each other and the positioning member passes through the outer ring plate at the same time. The inner ring disk, as described in the patents TW451855, TWI318188, TWM473983, TWM473984, etc., must be perforated in the outer ring disk and the inner ring disk respectively, and the contact area between the outer ring disk and the inner ring disk is still quite large, and the heat insulation effect is not Preferably, the inner and outer ring plates are fixed to each other only by the positioning members, and the structural strength is weak.

In addition, there is another floating disc, such as patents TW335113, TWI404643, TWM243588, TWM271985, TWM306566, TWM386212, TWM409216, TWM451445, etc., also has inner and outer ring plates, but the combined way is The outer ring discs are respectively provided with a recess or a U-shaped portion, and the recesses of the two are respectively arranged to be perforated with each other, and then the positioning member is fixed to the perforation. Although the structure is higher than the structure described in the above paragraph. Good thermal insulation effect, but since the positioning member is sandwiched between the inner and outer ring plates, heat may be transmitted to the inner ring plate via the positioning member, and in addition, to avoid internal, The outer ring discs are relatively rotated, and the recesses or U-shaped portions must be specially designed to be engaged with each other. If there is a dimensional error, the inner edges of the recesses may be unusable, and the outer edges of the recesses may be severely worn, affecting the structure. Strength and safety of use. More importantly, the positioning members of such conventional structures are normally in contact with the inner and outer ring plates at the same time, providing a continuous heat conduction path, so the heat insulation effect is not good, and the braking effect is affected.

Therefore, it is necessary to provide a novel and progressive disk to solve the above problems.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a disc that retains the advantages of a floating brake disc and has excellent structural strength and excellent thermal insulation.

In order to achieve the above object, the present invention provides a disk, comprising: an outer ring disk having an inner ring edge portion, the inner ring edge portion being provided with a first abutting portion; and an inner ring disk disposed on the outer ring plate The inner portion is disposed on the same plane as the outer ring plate, and has an outer ring edge portion. The outer ring edge portion is provided with a second abutting portion corresponding to the first abutting portion, the first abutting portion. The second abutting portion has a thickness difference; the at least one positioning member has two abutting ends, and the two abutting ends are opposite to each other of the first abutting portion and the second abutting portion On both sides, an axial gap exists between the first abutting portion and the second abutting portion and the second abutting end is axially movable between the two abutting ends.

10‧‧‧ outer ring

11‧‧‧ Inner Ring

111‧‧‧First Abutment

112‧‧ ‧Bridge

211‧‧‧Second Abutment

212‧‧‧ recess

213‧‧‧ arc concave

2131‧‧‧ Center

113‧‧‧Arc end

1131‧‧‧ Center

1132‧‧‧First imaginary circle

114‧‧‧With holes

115‧‧‧foot

12‧‧‧ hexagonal hole

13‧‧‧Trapezoidal through hole

14‧‧‧ ribs

15‧‧‧Triangular holes

20‧‧‧ Inner ring

21‧‧‧ outer ring side

2132‧‧‧Second imaginary circle

30‧‧‧ Positioning parts

31,32‧‧‧Right

33‧‧‧First positioning component

331‧‧‧ Rod

332‧‧‧ head

34‧‧‧Second positioning assembly

40‧‧‧Axial clearance

50‧‧‧circumference

60‧‧‧ Center

Figure 1 is a perspective view of the present invention.

Figure 2 is a perspective exploded view of the present invention.

Figure 3 is a front elevational view of the outer ring disk of the present invention.

Figure 4 is a front elevational view of the inner ring disk of the present invention.

Figure 5 is a front elevational view of the disc of the present invention.

Figure 6 is a partial enlarged view of Figure 5.

Figure 7 is a cross-sectional view of the present invention.

Figure 8 is a partial enlarged view of Figure 7.

The following is a description of the possible embodiments of the present invention, and is not intended to limit the scope of the invention as claimed.

Referring to FIGS. 1 through 8, there is shown a preferred embodiment of the present invention. The disc of the present invention includes an outer ring disc 10, an inner ring disc 20 and at least one positioning member 30.

The outer ring disk 10 has an inner ring edge portion 11 , and the inner ring edge portion 11 is provided with a first abutting portion 111 . The inner ring disk 20 is disposed on the inner surface of the outer ring disk 10 and is located on the same plane as the outer ring disk 10. The inner ring disk 20 is, for example, connected to a flower hub and has an outer ring edge portion 21. The outer ring edge portion 21 is provided with a second abutting portion 211 corresponding to the first abutting portion 111, and the first abutting portion 111 and the second abutting portion 211 have a thickness difference. The at least one positioning member 30 has two abutting ends 31, 32. The two abutting ends 31, 32 are axially clamped to the opposite of the first abutting portion 111 and the second abutting portion 211. The two abutting ends 31, 32 extend radially beyond the edge of the first abutting portion 111 and the second abutting portion 211 to form a space, and the first abutting portion 111 And a smaller thickness of the second abutting portion 211 is disposed in the space formed by the two abutting ends 31, 32 and has an axial gap 40 between the two abutting ends 31, 32 and is axially movable The two ends are between 31 and 32. Thereby, the axial gap 40 is normally formed between the outer ring disk 10 and the inner ring disk 20 in the axial direction, and the heat of the outer ring disk 10 can be effectively prevented from being transmitted to the inner ring disk 20.

In this embodiment, the second abutting portion 211 is thinner than the first abutting portion 111, and the disk includes a plurality of the positioning members 30. The thickness of the first abutting portion 111 is greater than 1.80 mm and less than or equal to 1.90 The thickness of the second abutting portion 211 is greater than or equal to 1.70 mm and less than 1.80 mm. The first abutting portion 111 includes a plurality of radially inwardly projecting bridge portions 112. The second abutting portion 211 includes a plurality of radially concave recesses 212. The plurality of bridge portions 112 are respectively received in the plurality of recesses 212. The abutting ends 31, 32 of the plurality of positioning members 30 are respectively clamped to the opposite sides of the plurality of bridge portions 112 and the plurality of recess portions 212. The second abutting portion may be thicker than the first abutting portion; the first abutting portion and the second abutting portion may also be corresponding annular structures, or may be sandwiched by a single annular positioning member. The first abutting portion is a concave portion, and the second abutting portion may be a convex portion.

In detail, the outer ring disk 10 has a diameter of 160 ± 0.15 mm, and the inner ring disk 20 has a diameter of 108 ± 0.1 mm. Each of the bridge portions 112 includes a circular arc end 113, and each of the arcuate ends 113 is provided with a through hole 114. Each of the concave portions 212 is a circular arc concave 213 having a radius of 3.4±0.05 mm. The diameter of the through hole 114 is 4.0±0.05 mm, and the radius of the circular arc concave 213 is 3.6±0.05 mm. The center 1131 of the arc ends 113 defines a first imaginary circle 1132 having a diameter of 100±0.05 mm, and the center 2131 of the arcuate recesses 213 defines a second imaginary circle 2132. The diameter of the second imaginary circle 2132 is 100 ± 0.05 mm, and the first imaginary circle 1132 and the second imaginary circle 2132 are appropriately matched to increase the resistance in the circumferential direction. The outer ring disc 10 and the inner ring disc 20 do not overlap at all in the axial direction, and a circumferential gap 50 exists between each of the bridge portions 112 and a circumferential surface of one of the recesses 212, whereby the outer ring disc 10 and the outer ring disc 10 The inner ring disc 20 does not come into contact, which can enhance the heat insulation effect.

Each of the positioning members 30 is disposed in one of the through holes 114. Each of the positioning members 30 includes a first positioning component 33 and a second positioning component 34 (such as a gasket). The first positioning component 33 has a rod. a portion 331 and a head portion 332 at one end of the rod portion 331. The first positioning assembly 33 is coupled to the second positioning assembly 34 by the rod portion 331 passing through the through hole 114. The first positioning assembly 33 is The head 332 and the second positioning component 34 are the two abutting ends 31, 32 and are respectively clamped on opposite sides of the bridge portion 112, and the recessed portion 212 and the two abutting ends 31, 32 are present. The axial gap 40 is whereby the outer ring disk 10 and the inner ring disk 20 are relatively movable. However, the positioning member can be a single rivet and the two ends are riveted against the opposite sides of the bridge. The side, for example, may be provided with the second positioning component without directly riveting and fixing the first positioning component relative to the other end of the head.

Further, the outer ring disk 10 is alternately ring-connected with a plurality of hexagonal through holes 12 and a plurality of trapezoidal through holes 13, and the plurality of hexagonal through holes 12 and the plurality of trapezoidal through holes 13 are formed by a plurality of ribs having a width of 2.7±0.05 mm. Part 14 is enclosed. Preferably, each of the bridge portions 112 is substantially Y-shaped and includes two leg portions 115 that are obliquely adjacent to and in contact with the inner ring disk 20. Each of the leg portions 115 has a width of 4.00±0.05 mm. 115 spans the trapezoidal through hole 13 and partially surrounds a triangular through hole 15 with one of the ribs 14. The disc defines a center 60, and the distance from one of the trapezoidal through holes 13 to the center 60 of the disc is 72.3 ± 0.1 mm, and the distance from one of the trapezoidal through holes 13 to the center 60 of the disc is 67.7 ± 0.1 mm. The plurality of hexagonal through holes 12, the plurality of trapezoidal through holes 13 and the plurality of triangular through holes 15 can reduce weight, increase braking friction and heat dissipation. Through the structure and size configuration as described above, the disc can have sufficient structural strength, effective braking friction and heat dissipation. Of course, the dimensions of the above components may also vary depending on different design requirements, processing accuracy or the like.

In summary, the first and second abutting portions of the present invention have a thickness difference and have the axial gap, so that the heat of the outer ring disk can be effectively prevented from being transmitted to the inner ring disk and has an excellent heat insulating effect. In addition, through the precise size matching between the components, the disc can be light in weight, has sufficient structural strength, effective braking friction and heat dissipation.

10‧‧‧ outer ring

113‧‧‧Arc end

20‧‧‧ Inner ring

31,32‧‧‧Right

40‧‧‧Axial clearance

50‧‧‧circumference

Claims (10)

A disc comprising: an outer ring disc having an inner ring edge portion, the inner ring edge portion being provided with a first abutting portion; an inner ring disc disposed inside the outer ring disc and located at the outer ring disc The outer surface of the outer ring is provided with a second abutting portion corresponding to the first abutting portion, and the first abutting portion and the second abutting portion have a difference in thickness; at least one positioning member having two abutting ends, wherein the two abutting ends are axially clamped against the opposite sides of the first abutting portion and the second abutting portion And extending radially beyond the edge of the first abutting portion and the second abutting portion to form a space, wherein the first abutting portion and the second abutting portion have a smaller thickness The utility model is disposed in the space formed by the two abutting ends and has an axial gap between the two abutting ends and is axially movable between the two abutting ends. The disk of claim 1, wherein the disk comprises a plurality of the positioning members, the first abutting portion includes a plurality of radially inwardly projecting bridge portions, and the second abutting portion includes a plurality of radially concave portions. The concave portion is respectively received in the plurality of concave portions, and the abutting ends of the plurality of positioning members are respectively clamped to the opposite sides of the plurality of bridge portions and the plurality of concave portions. The disk of claim 2, wherein each of the bridge portions comprises a circular arc end, each of the concave portions is a circular arc concave, the radius of the circular arc end is 3.4±0.05 mm, and the radius of the circular arc concave is 3.6 ±0.05mm. The disc of claim 3, wherein a center of the arc ends defines a first imaginary circle having a diameter of 100 ± 0.05 mm, and a center of the arc concave defines a second hypothesis Round, the diameter of the second imaginary circle is 100 ± 0.05 mm. The disk of claim 2, wherein a circumferential gap exists between each of the bridge portions and a circumferential surface of one of the recesses. The disk of claim 1, wherein the outer ring disk has a diameter of 160 ± 0.15 mm and the inner ring disk has a diameter of 108 ± 0.1 mm. The disc of claim 1, wherein the outer ring disc is alternately ring-shaped with a plurality of hexagonal through holes and a plurality of trapezoidal through holes, the plurality of hexagonal through holes and the plurality of trapezoidal through holes having a plurality of widths of 2.7±0.05 Mm rib wall enclosure. The disk of claim 4, wherein a circumferential gap exists between each of the bridge portions and a circumferential surface of one of the recesses; the diameter of the outer ring disk is 160 ± 0.15 mm, and the diameter of the inner ring disk is 108±0.1mm; the outer ring disc is alternately ring-shaped with a plurality of hexagonal through holes and a plurality of trapezoidal through holes, the plurality of hexagonal through holes and the plurality of trapezoidal through holes are composed of a plurality of ribs having a width of 2.7±0.05 mm Each of the bridge portions is substantially Y-shaped and includes two legs that are obliquely adjacent to and in contact with the inner ring disk, each of the legs having a width of 4.00±0.05 mm, and the two legs spanning the two trapezoidal through holes and Forming a triangular through hole with one of the ribs; the disk defines a center, and one of the trapezoidal through holes has a distance from the bottom to the center of the disk of 72.3±0.1 mm, and one of the trapezoidal through holes is bottomed The distance to the center of the disc is 67.7 ± 0.1 mm. The disk of any one of claims 1 to 8, wherein the second abutting portion is thinner than the first abutting portion. The disk of claim 9, wherein the thickness of the first abutting portion is greater than 1.80 mm and less than or equal to 1.90 mm, and the thickness of the second abutting portion is greater than or equal to 1.70 mm and less than 1.80 mm.