TWI722937B - Rivet Set of Floating Disc - Google Patents

Abstract

A rivet set of a floating disc is mainly composed of an inner disc, an outer disc and a plurality of rivet groups; the inner disc is provided with a plurality of supporting structures protruding from a concave surface, and an outer edge of the supporting structure is provided A moving surface, an action surface and a long hole; the outer disk extends to the centroid of the inner disk to form a plurality of extension wings, a first braking surface of the extension wing can be provided on the action surface, the extension wing It has a large hole, a joint surface and a small hole; a plurality of rivet sets, including: a washer, an elastic washer and a rivet, the rivet is based on the two-point line on the outer diameter of the straight shank and the length of the inner disc The hole is supported with a little gap, and the straight handle is passed through the small hole, the long hole, the perforation and the round hole, and then a front end is pressed by pressure forming to expand and deform into a supporting surface and close to the washer.

Description

Rivet Set of Floating Disc

The present invention relates to a floating dish, in particular to a floating dish with heat insulation design with a working gap, an upper gap and a tight gap.

The conventional bicycle disc brake rotor is for example the Taiwan Patent Application No. 104135142. Its main features are: the bicycle disc brake rotor 12 includes an outer part 22 and a cooling fin 24. The cooling fins 24 are arranged on an inner peripheral edge 22a of the outer portion 22 and extend to a central rotation axis A of the bicycle disc brake rotor 12. The cooling fins 24 are connected to the outer portion 22 to efficiently radiate heat from the outer portion 22 of the disc brake rotor 12.

Conventional bicycle disc brake rotors are, for example, Taiwan Patent Application No. 105137970. The main features are: a cooling member 16 includes a cooling body 38 and a radially outer part 40. The radially outer part 40 is provided on the radially outer part of the cooling body 38. The friction member 14 is attached to the radially outer part 40 of the cooling member 16. The first friction part 30 is attached to the radially outer part 40 of the cooling member 16. The second friction part 32 is attached to the radially outer part 40 of the cooling member 16.

Conventional discs will face problems after assembly, such as the rapid passage of gas through the discs, the effective release of high-temperature heat generated at the moment of braking, and the protruding heat dissipation structure that can easily hurt people. Therefore, many patents have been derived, such as Taiwan application No. 108216658, 108200567, 107114155 , 107207283, 107122918, 107209374, 106212170, 105119279, 105207196, 104135142, 104219471, 104217455, 103216766, 102124208, 101123930, 095210748, 093220058 The above-mentioned problems mentioned in the patent case, the new design of the inner disc and rivet set in the present invention These problems can be solved together, which is quite practical.

The object of the present invention is to provide a floating dish with excellent heat insulation capacity of gaskets and elastic gaskets.

The second object of the present invention is to provide a high-temperature heat generated by the outer disk instantaneously, the extension wing of the outer disk will generate thermal expansion and contraction, and the thermal expansion and contraction will drive the straight shank of the rivet to the working gap in the long hole Free movement to prevent thermal deformation of the floating disc.

Another object of the present invention is to provide a low-temperature fluid with a low-temperature cooling method to remove the high-temperature heat staying near the oblique flow path.

The rivet set of the floating disk that can achieve the above-mentioned object of the invention includes: an inner disk provided with a concave surface whose thickness direction is lower than the surrounding, a plurality of supporting structures protruding from the concave surface, and a movement provided at an outer edge Surface, an action surface, and a long hole connecting the movement surface and the action surface; an outer disk, which extends from the inner edge to a centroid of the inner disk to form a plurality of extension wings, a first of the extension wing The braking surface can be set on the action surface, and the first braking surface has a positioning hole communicating with a second braking surface. The positioning hole is composed of a large hole, a joint surface and a small hole; plural rivet groups , Including: a washer with a circular hole in the center, a contact surface extending downwards around a bottom surface of the washer; an elastic washer with a flat surface, an inclined surface and an auxiliary flat surface, the center of which is provided with a perforation; A rivet is provided with a head, a restraining surface, a straight shank and a front end. The two intersection lines on the outer diameter of the straight shank and the long hole of the inner disk are supported by a little gap to form a joint gap. The rivet uses The straight handle passes through the small hole of the outer dish, the long hole of the inner dish, the perforation of the elastic washer, and the round hole of the washer, and then presses the front end portion to expand and deform by pressure forming It is a supporting surface and is close to the washer.

1: inner disc

11: concave

12: Supporting structure

121: upper surface

122: lower surface

13: Outer edge

14: Sports side

15: Action surface

16: Long hole

17: Working gap

18: Diagonal flow path

181: table flow

19: Reference level

D1: depth

D2, D3: section depth

2: Outer disc

21: Extension Wing

22: The first braking surface

23: The second braking surface

24: big hole

25: Joint surface

26: small hole

27: Normal clearance

28: Cooling gap

3: Washer

31: Bottom

32: contact surface

33: round hole

34: upper gap

4: Elastic washer

41: plane

42: Bevel

43: auxiliary plane

44: tight gap

45: Piercing

5: Rivet

51: head

52: Constraint Surface

53: straight handle

54: Front end

55: support surface

Figure 1 is a top view of the assembly of the floating dish of the present invention; Figure 2 is a bottom view of the assembly of the floating dish; Figure 3 is a cross-sectional view of the floating dish; Figure 4 is a partial enlarged schematic view of part A of Figure 3; A partial enlarged schematic diagram of the dish; Figure 6 is a three-dimensional exploded view of the top surface of the rivet set; Fig. 7 is a perspective exploded view of the bottom surface of the rivet set; Fig. 8 is a schematic diagram of a working gap formed between the inner plate and the straight shank of the rivet; Fig. 9 is a partial enlarged schematic view of part B of Fig. 2; Fig. 10 is the rivet Use the straight handle to pass through the small hole of the outer dish, the long hole of the inner dish, the perforation of the elastic washer, and the round hole of the washer, and then press to form a supporting surface and closely adhere to the heat of the washer. Figure 11 is a cross-sectional view of the expansion and contraction of the wing to drive the straight shank of the rivet to move the elastic washer and the washer upward; Figure 12 is the lateral displacement of the outer disc and the straight shank to move the The elastic washer and the washer perform a synchronous movement, so that the contact diameter of the elastic washer with respect to the moving surface of the inner disk becomes larger, and at the same time, the cross-sectional view of the tight gap is reduced; FIG. 13 is a cross-sectional view of the extension wing of FIG. 12 The thermal expansion and contraction of the rivet drives the straight shank of the rivet to move the elastic washer and the washer downward; Fig. 14 is a partial enlarged schematic view of part C of Fig. 13; Fig. 15 is a partial enlarged schematic view of part D of Fig. 13; Fig. 16 A top view of an oblique flow passage provided in the middle section of the support structure of the inner dish; Figure 17 is a bottom view of an oblique flow passage provided in the middle section of the support structure of the inner dish; Fig. 18 is a partially enlarged schematic view of the E-E section of Fig. 17; and Fig. 19 is a partially enlarged schematic view of the F-F section of Fig. 17.

1-7, the rivet set of the floating disc provided by the present invention mainly includes: an inner disc 1, an outer disc 2 and the plurality of nail sets; the inner disc 1 is provided with a low thickness direction A concave surface 11 (concave side) around the lower surface 122, the concave surface 11 constitutes a disk type support and a plurality of supporting structures 12 extending and protruding from the concave surface 11, the supporting structure 12 is Arranged at equal or unequal intervals and formed integrally with the concave surface 11, the thickness of the concave surface 11 is not less than 2mm, a depth D1 of the concave surface 11 is 1.5~2.5 times of the thickness of the concave surface 11, and defines an X In the X direction, Y direction, and Z direction, the support structure 12 is provided with a diagonal passage 18 (diagonal passage) in the center section, and then a diagonal passage 18 in the center section. The edge 13 is provided with a plane of motion 14 (plane of motion), an acting surface 15 (acting surface), and a long hole 16 (long hole) connecting the motion surface 14 and the acting surface 15. The supporting structure 12 is provided on an upper surface 121 with the moving surface 14 recessed inward toward the Z axis, and the section depth D2 of the moving surface 14 is less than 3.5 mm; and the supporting structure 12 is connected to the lower surface 122 facing Z The working surface 15 is recessed in the axial direction, so that the plane geometry of the concave surface 11 in the Z-axis direction and the plane geometry of the working surface 15 in the Z-axis direction are The height difference of geometric altitude is zero, and it is on the same datum water level 19 (as shown in Figure 5); the cross-sectional depth D3 of the elongated hole 16 towards the Z axis is less than 6.5mm, and the length The longitudinal direction of the hole 16 is arranged or formed in the direction of a centroid of the inner dish 1; the minimum cross-sectional width of the upper surface 121 in the Y-axis direction is 2 times the cross-sectional width of the long hole 16 in the Y-axis direction. ~2.5 times, the minimum cross-sectional width of the upper surface 121 in the Y-axis direction is 0.5-0.7 times the cross-sectional width of the elongated hole 16 in the X-axis direction; wherein, the upper surface 121 and the lower surface 122 are an inclined plane (incline surface, or a curved surface, or a corrugated surface, or a double curved surface, or a combination thereof.

The outer disc 2 is a ring-shaped body and defines an X direction (X direction), a Y axis direction (Y direction), and a Z axis direction (Z direction). The cross section thickness of the outer disc 2 is less than or equal to 1.5mm , The inner edge of the outer disc 2 extends toward the centroid of the inner disc 1 to form a plurality of extension wing 21 (extension wing), a first braking surface 22 of the extension wing 21 can be set on the acting surface 15, the same as the The first braking surface 22 has a locating hole communicating with a second braking surface 23. As shown in FIGS. 4 and 14, the locating hole is composed of a large hole 24, a faying surface 25, and A small hole 26 is formed, and the cross-sectional thickness of the small hole 26 is 2.5 to 2.8 times the cross-sectional thickness of the large hole 24. The geometric center of the outer disc 2 in the Z-axis direction and the geometric center of the concave surface 11 in the Z-axis direction are on the same central axis.

As shown in Figure 3 and Figure 4, the rivet set consists of a washer 3 (washer), an elastic washer 4 (elastic washer) and a rivet 5; the rivet set is penetrated through the positioning hole by the rivet 5; wherein a circular hole 33 is provided in the center of the washer 3, and the washer 3 The average thickness of the washer 3 is less than 1.15mm, the outer diameter of the washer 3 is less than 16mm, a bottom surface 31 (bottom surface) of the washer 3 extends downward and a contact surface 32 (contact surface) is extended downward. The shape is a contact point, the cross-sectional width and depth of the contact surface 32 are 0.01~0.1mm; the average thickness of the elastic washer 4 is less than 0.45mm, and the elastic washer 4 has a plane 41 (planar), And an inclined plane 42 (incline plane) extending outwards from the plane 41, and an auxiliary plane 43 (auxiliary plane) extending outwards from the inclined plane 42. The center of the plane 41 is provided with a perforation 45, and the cross section of the plane 41 The outer diameter is less than 8.5mm, the cross-sectional outer diameter of the auxiliary plane 43 is less than 16mm, the upper surface of the plane 41 is in contact with the washer 3, and the lower surface of the auxiliary plane 43 forms a contact stress with the moving surface 14 of the inner disc 1 (contact stress) and a contact diameter (contact diameter), so that the lower surface of the auxiliary plane 43 and the movement surface 14 maintain a close contact (intimate contact), and, the lower surface of the auxiliary plane 43 and the inner dish 1 The moving surface 14 forms a clearance for packing 44, as shown in FIGS. 4, 10 and 11; the rivet 5 has a head 51 and a constraining surface 52 from the head 51. )Extended straight handle 53(straight handle) and a front end 54, the line of nodes on the left and right sides of the outer diameter of the straight handle 53 and the long hole 16 of the inner disc 1 maintain a point gap support (point gap support) to form The heat insulation design of the oint gap can reduce the heat transmission coefficient of the rivet 5 and the outer disc 2. The diameter of the head 51 is 0.9 to 0.95 times the cross-sectional width of the large hole 24 of the outer disc 2, the outer diameter of the washer 3 is more than twice the diameter of the head 51, the auxiliary of the elastic washer 4 The outer diameter of the flat surface 43 is more than twice the diameter of the head 51. An available length of the straight handle 53 is equal to the cross-sectional thickness of the small hole 26 plus the cross-sectional depth D3 of the long hole 16 plus the cross-sectional thickness of the elastic washer 4 in an elastic recovery state plus the washer An accumulated value of the cross-sectional thickness of 3, and an original length of the straight shank 53 is greater than 1.4 to 1.7 times the accumulated value; the diameter of the straight shank 53 is equal to the perforation of the elastic washer 4 45 and the diameter of the round hole 33 of the washer 3, or the diameter of the straight shank 53 is smaller than the diameter of a through hole 45 of the elastic washer 4, and the diameter is less than 0.3mm, or the diameter of the straight shank 53 is smaller than a circle of the washer 3. The diameter value of the hole 33 is less than 0.3 mm. The outer diameter of the washer 3 is more than 3 times the diameter of the straight shank 53, and the outer diameter of the auxiliary plane 43 of the elastic washer 4 is more than 3 times the diameter of the straight shank 53.

The rivet 5 uses the straight handle 53 to pass through the small hole 26 of the outer disc 2, the long hole 16 of the inner disc 1, the perforation 45 of the elastic washer 4, and the round hole 33 of the washer 3 to make the The head 51 of the rivet 5 is fitted in the large hole 24 of the outer disc 2, and the restraining surface 52 of the rivet 5 is in close contact with (wringing) the joint surface 25 of the outer disc 2 (as shown in FIG. 8, FIG. 13 and FIG. 14), and then pressing the front end 54 by pressure forming or purely mechanical physical processing (pressing) it expands and deforms into a support surface 55 (support surface) and closes (wringing) the washer 3, the support surface 55 then causes the washer 3 to apply elastic load to the elastic washer 4 at the same time; 10, the first braking surface 22 of the extension wing 21 of the outer disc 2 can hold the position (holding position) on the action surface 15 of the inner disc 1, thereby making the rivet 5 The outer diameter of the head 51 and the inner diameter of the large hole 24 of the outer disk 2 maintain a normal clearance 27; the outer diameter of the straight shank 53 of the rivet 5 and the inner diameter of the small hole 26 of the outer disk 2 are maintained A point gap, because when the outer disc 2 moves in response to the inner disc 1, the outer diameter of the straight handle 53 of the rivet 5 is always in temporary contact with the inner diameter of the small hole 26 at a point; The outer diameter of the straight handle 53 and the long hole 16 of the inner disc 1 maintain a long shift (working gap) 17 (working gap), when a set of brake shoes (brake shoe) is removed from the outer disc 2 The first braking surface 22 and the second braking surface 23 on the left and right press the brake down, and the high temperature heat generated by the outer disc 2 instantaneously causes the extension wing 21 to generate thermal elongation and shrinkage, as shown in FIG. 8, Thermal expansion and contraction will drive the outer diameter of the straight shank 53 of the rivet 5 to move freely in the working gap 17 in the elongated hole 16 while preventing thermal deformation of the extension wing 21, and the elongated hole 16 The working gap 17 at the same time allows the rivet 5 to maintain a point gap support (point gap support) to have an excellent adiabatic change; the outer diameter of the straight shank 53 of the rivet 5 penetrates the perforation 45 of the elastic washer 4 and the round hole 33 of the washer 3. The brake shoe brakes on the left and right sides of the outer disc 2, and the outer disc 2 instantaneously generates high-temperature heat, as shown in Figs. 10 and 11, the extension wing 21 will generate thermal elongation and shrinkage. ), thermal expansion and contraction will drive the straight handle 53 of the rivet 5 to link-up the elastic washer 4 and the washer 3. When the thermal expansion and contraction of the extension wing 21 drives the straight handle 53 of the rivet 5 to link the elastic washer 4 and the washer 3 to perform a vertical shift synchronous motion (synchronous motion), then the elastic washer 4 The lower surface of the auxiliary plane 43 and the moving surface 14 of the inner disc 1 change from the close contact and displacement transformation to a moving contact, and the outer diameter of the straight shank 53 of the rivet 5 is at the same time The working gap 17 in the elongated hole 16 moves freely up and down. At this time, the contact area of the auxiliary plane 43 of the elastic washer 4 with respect to the moving surface 14 of the inner dish 1 remains unchanged.

If the brake shoe is used for a period of time, the brake shoe will become thinner. At this time, the outer disc 2 of the brake will have a lateral displacement in the Z axis direction, and the extension wing 21 will expand and contract toward the centroid due to heat. When the lateral displacement of the outer disc 2 is generated and the first braking surface 22 of the extension wing 21 is moved simultaneously, the first braking surface 22 and the acting surface 15 will jointly form a cooling gap 28 (cooling gap 28). ), by the atmosphere The low temperature difference generated by the contact of a cryogenic fluid in the external flow field with the cooling gap 28 accelerates the cooling of the first braking surface 22 and the acting surface 15, as shown in FIG. 12, and secondly, the The lateral displacement of the outer disc 2 will also move the straight handle 53 of the rivet 5 in conjunction with the elastic washer 4 and the washer 3 to perform a horizontal shift synchronous motion (synchronous motion), at this time, the inclined surface 42 and The auxiliary plane 43 changes in volume and extends outward to become an extension contact. At this time, the auxiliary plane 43 of the elastic washer 4 is relative to the movement surface of the inner disc 1 The contact diameter of 14 becomes larger, and at the same time, the tight gap 44 between the elastic washer 4 and the moving surface 14 is reduced. At this time, the auxiliary plane 43 whose volume changes is still free to move on the moving surface 14 (free movement). , And the outer diameter of the straight shank 53 of the rivet 5 moves freely in the working gap 17 of the elongated hole 16 at the same time (as shown in FIG. 13), so that the outer diameter of the straight shank 53 in the elongated hole 16 has an arbitrary The path (any path) carries out plural movable contacts, which actually means that when the outer disc 2 moves in response to the inner disc 1, the two points of the straight handle 53 and the inner diameter of the elongated hole 16 are temporarily adjusted by one point. Point gap support contact.

The outer diameter of the straight shank 53 and the free motion in the long hole 16 form a heat insulation design at the same time, and the inner diameter of the long hole 16 allows the rivet 5 to maintain a point gap support for both excellent A heat-insulating capability (heat-insulating capability); when the straight handle 53 of the rivet 5 links the elastic washer 4 with the The washer 3 keeps the auxiliary plane 43 of the elastic washer 4 in close contact with the moving surface 14 of the inner disc 1, and the plane 41 and the inclined surface 42 of the elastic washer 4 face the moving surface of the inner disc 1 The tight gap 44 between 14 is reduced (as shown in FIG. 15), but the tight gap 44 is still separated without contact to have an excellent heat-insulating capability; and, as shown in FIG. 15 As shown, the bottom surface 31 and the contact surface 32 of the washer 3 together form an upper clearance 34 for the inclined surface 42 of the elastic washer 4 at this time, and the upper gap 34 allows the washer 3 and the elastic washer to 4 Maintain separation and non-contact to have excellent thermal insulation capabilities. As shown in FIG. 15, the reduced tightening gap 44 and the upper gap 34 form the thermal insulation design of the rivet set of the present invention. It has excellent thermal insulation ability. The washer of the conventional patent has a disc plane shape. When the rivet 5 is linked with the conventional washer, the elastic washer 4 will also face the movement surface of the inner disc 1 14. In turn, it is easy for the high-temperature heat to be directly conducted to the moving surface 14 of the inner disc 1 from the rivet, the conventional gasket, and the elastic gasket 4. Therefore, the conventional gasket does not have a heat dissipation structure design.

Wherein, the line of nodes contours on the left and right sides of the straight shank 53 of the rivet 5 and the elongated hole 16 maintain a point gap support, so that the straight shank 53 of the rivet 5 is connected The extension wing 21 of the outer disc 2 forms a horizontal bracing, radial strut, and raking strut to withstand the friction of a set of brake shoes on the outer disc 2 Load and vibration of friction brake State, so that the inner disc 1 and the rivet 5 jointly traction resistance (traction stability) the vertical force (vertical force) and horizontal force (horizontal force) generated by the outer disc 2 during the movement process, reducing the loosening or pulling of the extension wing 21 Departure and other situations.

The straight shank 53 of the rivet 5 has a circular cross-section to give different areas of the elongated hole 16 tensile and abrasion resistance. In order to impart different properties to different regions of the elongated hole 16, the straight shank 53 is usually manufactured into another desired cross-sectional shape and then the elastic washer 4 and the washer 3 are joined together. In addition, the rivet 5 uses the restraining surface 52 to wringing to the joint surface 25 of the extension wing 21 of the outer disc 2, and then the straight shank 53 is made to support the outer disc at least one point in cross section or cross-sectional profile. The small hole 26 of the extension wing 21 of 2 is continued, and the straight handle 53 is the two intersection lines (or two intersection points) of the left and right sides of the cross-section or cross-sectional profile for supporting the long hole 16 of the inner dish 1 , Allowing the rivet 5 to be supported through a plurality of cross-sections or cross-sectional contours and point gaps of different angles, matching the extension wing 21 of the outer disk 2 with different angles to the length of the supporting structure 12 of the inner disk 1 The traction resistance generated by the hole 16 and the elastic washer 4 and the washer 3 can allow the rivet 5, the elastic washer 4 and the washer 3 to offset the amplitude and temperature changes of the sway generated by the outer disc 2 during the movement.

Please refer to Figures 16 to 19, the diagonal flow passage 18 is provided in the middle section of the support structure 12 of the inner dish 1, at least one surface of the diagonal flow passage 18 is a windage or a cooling surface (cooling surface), the oblique flow passage 18 is provided with an angle of inclination in the middle section of the support structure 12, which is driven by the external flow of the atmosphere. A surface flow 181 (a surface flow) or a cryogenic fluid (cryogenic fluid) and the oblique flow passage 18 contact the low temperature difference to accelerate the support structure 12 from the oblique flow passage 18 to the outer edge 13 and the concave surface 11 Cooling is formed, so that the diagonal-flow cooling or diagonal-flow ventilation design is achieved by the diagonal-flow passage 18, and the surface flow 181 on the upper surface 121 or the lower surface Or the low-temperature fluid can enhance the steady-state cycle of hot to cold air recirculation and continuous repeat-cycle of the diagonal flow passage 18, and the surface flow 181 or The low-temperature fluid removes the high-temperature heat staying near the diagonal flow passage 18 in a cryo-cooling manner. Therefore, the diagonal flow passage 18 can continuously receive the surface flow 181 or the low temperature in a short time. The turbulent motion generated by the fluid flowing into the oblique flow passage 18 generates a circulation forced cooling effect.

To sum up, this case is not only innovative in terms of spatial form, but also can enhance the above-mentioned multiple functions compared with conventional articles. It should fully meet the requirements of novel and progressive statutory invention patents. An application is filed in accordance with the law, and you are kindly requested to approve it. This invention patent application is to encourage invention, and it is easy to feel the virtue.

12: Supporting structure

13: Outer edge

14: Sports side

15: Action surface

17: Working gap

21: Extension Wing

22: The first braking surface

23: The second braking surface

27: Normal clearance

28: Cooling gap

3: Washer

4: Elastic washer

51: head

55: support surface

Claims (5)

A rivet set of a floating disc, the floating disc includes an inner disc, an outer disc, and a plurality of rivet sets: an inner disc (1) is provided with a concave surface (11) whose thickness is lower than the surrounding, from the concave surface (11) ) An extended and protruding plurality of supporting structures (12), a moving surface (14), an acting surface (15) and a connecting surface (14) and the acting surface (15) are arranged at an outer edge (13) A long hole (16); an outer dish (2), the inner edge of the outer dish (2) extends to a centroid of the inner dish (1) to form a plurality of extension wings (21), the extension wings (21) A first braking surface (22) can be set on the action surface (15), and the first braking surface (22) has a positioning hole communicating with a second braking surface (23), and the positioning hole is composed of a large Hole (24), a joint surface (25) and a small hole (26); a plurality of rivet groups, including: a washer (3), the center of which is provided with a circular hole (33), the washer (3) A contact surface (32) extends downwards around the bottom surface (31); an elastic washer (4) is provided with a flat surface (41), an inclined surface (42) extending outward from the flat surface (41), and the inclined surface (42) An auxiliary plane (43) extending outwards, a perforation (45) is arranged in the center of the plane (41); a rivet (5) is provided with a head (51) and from the head (51) A straight handle (53) and a front end portion (54) extending from a restraining surface (52) of the rivet (5) pass through the small hole (26) of the outer disc (2) by using the straight handle (53), The long hole (16) of the inner disc (1), the perforation (45) of the elastic washer (4), the round hole (33) of the washer (3), and then press molding the front end portion (54) Press to expand and deform into one The supporting surface (55) is closely attached to the washer (3), so that the elastic washer (4) and the moving surface (14) of the inner disc (1) form a contact stress; it is characterized in that: the rivet (5) The outer diameter of the straight handle (53) and the long hole (16) of the inner disc (1) maintain a long displacement and a working gap (17). When the outer disc (2) instantaneously generates high-temperature heat, the extension The wing (21) will generate thermal expansion and contraction. When the straight handle (53) of the rivet (5) links the elastic washer (4) and the washer (3), the auxiliary plane (43) of the elastic washer (4) The tight contact is maintained on the moving surface (14) of the inner disc (1), and the flat surface (41) and the inclined surface (42) of the elastic washer (4) are in contact with the moving surface (14) of the inner disc (1). A tight gap (44) between 14) is reduced, but the tight gap (44) maintains a thermal insulation capacity of separation and contactlessness. The bottom surface (31) of the gasket (3) is opposed to the contact surface (32) The inclined surface (42) of the elastic washer (4) together constitutes an upper gap (34) at this time, and the upper gap (34) keeps the washer (3) and the elastic washer (4) separated from each other without contact. Thermal capacity. For the rivet set of the floating disk described in the first item of the scope of patent application, a circular hole (33) is provided in the center of the washer (3), the average thickness of the washer (3) is less than 1.15mm, and the washer (3) is The outer diameter is less than 16mm, a contact surface (32) extends downwards around a bottom surface (31) of the gasket (3), the cross-sectional shape of the contact surface (32) is a contact point, and the cross-sectional width of the contact surface (32) And the depth is 0.01~0.1mm. The rivet set of the floating disk described in item 1 of the scope of patent application, wherein the diameter of the head (51) of the rivet (5) is the section of the large hole (24) of the outer disk (2) The surface width is 0.9~0.95 times, the outer diameter of the washer (3) is more than 2 times the diameter of the head (51), and the outer diameter of the auxiliary plane (43) of the elastic washer (4) is the head (51) is more than twice the diameter. The rivet set of the floating disk described in item 1 of the scope of patent application, wherein the outer diameter of the straight shank (53) of the rivet (5) is in contact with the inner diameter of the small hole (26) of the outer disk (2) Point clearance, because when the outer disc (2) moves in response to the inner disc (1), the outer diameter of the straight shank (53) of the rivet (5) is always in temporary contact with the inner diameter of the small hole (26) at one point. The rivet set of the floating disk described in the first item of the scope of patent application, wherein the rivet (5) uses the restraining surface (52) to abut the joint surface (25) of the extension wing (21) of the outer disk (2) ), and then make the straight handle (53) support the small hole (26) of the extension wing (21) of the outer disc (2) at least one point in the cross section or cross-sectional profile, and continue, the straight handle (53) The two intersection lines on the left and right sides are used to support the long hole (16) of the inner dish (1).

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