TWI807681B - Floating brake disc - Google Patents

Abstract

A floating brake disc is provided, including: a braking main body, including an outer disc portion and an inner disc portion; a connection assembly, including a washer, a disc spring and a positioning member, the washer including a first end surface, a second end surface and a through hole, the through hole disposed through the first end surface and the second end surface, the first end surface including at least one recess, the disc spring including a via hole and at least one protruding portion, at least one protruding portion disposed through the through hole and pressed into the at least one recess.

Description

floating disc

The invention relates to a floating disc.

Press, present vehicle, as the brake device of automobile, locomotive or bicycle mainly adopts disc brake device, in order to better brake deceleration effect. Today's floating discs include inner and outer rings and a fixed assembly, which are connected with the inner and outer rings, and spring pieces in the fixed assembly are bounced between the inner and outer rings and a positioning ring to solve the vibration problem generated during braking.

However, in the past, the shrapnel and the locating ring are in a separated state, and only rivets are pierced to press and connect, so that the shrapnel and the locating ring cannot be stably combined.

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

The main purpose of the present invention is to provide a floating disk, which enables the gasket and the shrapnel to be firmly combined and has a good shock-absorbing effect.

In order to achieve the above object, the present invention provides a floating disc, comprising: a disc main body, which includes an outer disc portion and an inner disc portion, a first assembly structure is arranged around the outer disc portion, and a second assembly structure is provided around the inner disc portion; a connecting component, which is connected to the first assembly structure and the second assembly structure, includes a gasket, a shrapnel and a positioning piece, the gasket includes a first end surface, a second end surface and a perforation, the first end surface and the second end surface are arranged on opposite sides, and the perforation is axially connected to the first assembly structure and the second assembly structure. Through the first end face and the second end face, the first end face includes at least one groove, the shrapnel includes a through hole and at least one protrusion, the at least one protrusion passes through the through hole and presses into the at least one groove, the positioning member passes through the through hole and the through hole, the positioning member includes a head at two opposite ends, and the head abuts against the outer disc part and the inner disc part on one side of the disc main body.

The following examples illustrate possible implementations of the present invention, but are not intended to limit the scope of protection of the present invention.

Please refer to FIGS. 1 to 9 , which show a preferred embodiment of the present invention. The floating disc of the present invention includes a disc main body 1 and a connecting component 2 .

The disc body 1 includes an outer disc portion 10 and an inner disc portion 11 , a first assembly structure 12 is disposed around the outer disc portion 10 , and a second assembly structure 13 is disposed around the inner disc portion 11 . The connection assembly 2 is connected to the first assembly structure 12 and the second assembly structure 13, and includes a gasket 20, an elastic piece 30, and a positioning member 40. The gasket 20 includes a first end surface 21, a second end surface 24, and a through hole 25. The first end surface 21 and the second end surface 24 are arranged on opposite sides. The groove 271 extends radially outward from the through hole 25 . The elastic piece 30 includes a through hole 31 and at least one protrusion 32 . The at least one protrusion 32 passes through the through hole 25 and is pressed into the at least one groove 271 . Accordingly, the washer 20 and the elastic piece 30 can be firmly combined, and the elastic piece 30 can bounce against the washer 20 evenly, and the shock-absorbing effect is good. Furthermore, the tolerances produced in the manufacture of each of the protrusions 32 can be allowed, that is, the part of each protrusion 32 protruding from the through hole 31 can be riveted and folded into the corresponding one of the grooves 271 to facilitate manufacturing.

The elastic piece 30 further includes a ring body 33, the ring body 33 is provided with the through hole 31, each of the protrusions 32 is connected to the ring body 33, and the ring body 33 bounces between the outer disc portion 10, the inner disc portion 11 and the second end surface 24 on the other side of the disc main body 1 pressed by the head 41, and the ring body 33 can continue to bounce against the spacer 20.

The at least one groove 271 includes a first opening 22 and a second opening 23, the first opening 22 is opened axially, and the second opening 23 is opened radially toward the through hole 25; when the at least one protrusion 32 is pressed into the at least one groove 271, the at least one protrusion 32 does not protrude from the first opening 22, so when the flange 43 of the positioning member 40 is pressed against the head 41 in the axial direction, it will not interfere with the protrusions 32 and be close to the first end surface 21 .

The at least one groove 271 includes an inclined bottom surface 274, and the at least one convex portion 32 is pressed against the inclined bottom surface 274 from the first end surface 21 to the second end surface 24; preferably, the through hole 25 defines a central axis A, and the inclined bottom surface 274 extends obliquely from the first end surface 21 toward the second end surface 24 toward the central axis A; in addition, a depth dimension is defined between the inclined bottom surface 274 and the first opening 22. The size radially becomes smaller toward the direction away from the through hole 25 . Therefore, the force generated by the at least one protrusion 32 can be resisted in multiple directions such as the radial direction and the axial direction, and the at least one protrusion 32 can be pressed into the at least one groove 271 and close to the inclined bottom surface 274 .

Specifically, the gasket 20 further includes a circumferential wall, the circumferential wall constitutes the through hole 25, the circumferential wall includes at least one vertical surface 273, the at least one vertical surface 273 extends in the axial direction and is corresponding to and transversely connected to the inclined bottom surface 274, the at least one convex portion 32 includes a vertical section 321 and a sloped section 322, the vertical section 321 extends axially outward from the through hole 31, and the sloped section 322 is laterally connected to the vertical section 321, the vertical section 32 1 Corresponding to the elevation 273, the inclined section 322 is pressed into the at least one groove 271; preferably, an included angle θ is formed between the elevation 273 and the inclined bottom surface 274, and the included angle θ is greater than 90 degrees; moreover, a radial projection dimension of the at least one inclined bottom surface 274 is smaller than the radial projection dimension of the elevation 273, and the contact area between the elevation section 321 and the elevation surface 273 is large, and the gasket 20 is not easily subjected to the large back pressure of the elevation section 321 It is skewed relative to the shrapnel 30 .

The positioning member 40 further includes a shaft portion 42, the shaft portion 42 is connected to the head portion 41 and passes through the through hole 31 and the through hole 25. The shaft portion 42 can radially abut against the elastic piece 30 or have a radial distance from the elastic piece 30. The spacer 20 includes a plurality of restraint segments 26 and a plurality of insertion segments 27. The through-hole 25 is co-formed by the segments 27 , each of the insertion segments 27 includes a groove 271 , the plurality of constraint segments 26 radially correspond to the shaft portion 42 , and the at least one protrusion 32 can stop at least one of the insertion segments 27 in the circumferential direction. Specifically, each of the insertion sections 27 further includes an axially extending limiting groove 272, the limiting groove 272 is transverse to the groove 271, the limiting groove 272 includes the vertical surface 273, and each of the binding sections 26 includes two retaining walls 261 on opposite sides in the circumferential direction. The groove 271 and the limiting groove 272 , each of the inclined section 322 and the vertical section 321 can be respectively stopped by the two stop walls 261 to prevent the washer 20 and the elastic piece 30 from rotating relative to each other. Preferably, the contact area between the at least one protrusion 32 and the blocking wall 261 is smaller than the total area of the blocking wall 261, so that the blocking range is large.

The positioning member 40 further includes the flange 43, the flange 43 and the head 41 are respectively arranged on opposite sides of the shaft portion 42, the radial dimension R1 of the flange 43 radially protruding from the shaft portion 42 is greater than the extension dimension R2 of the groove 271 radially away from the through hole 25, the flange 43 abuts against the first end surface 21, and the flange 43 can cover the at least one groove 271 and press against the first end surface 21.

In the floating disc of the present invention, through the at least one groove 271 of the gasket 20, the part of the at least one convex portion 32 of the elastic piece 30 protruding from the through hole 25 can be riveted and pressed into the at least one groove 271 to form the oblique section 322, so as to facilitate the manufacture of the gasket 20 and the elastic piece 30, and make the two be firmly combined. Bounce against the spacer 20 , and have good elastic buffering force on the disc main body 1 .

1: Disc main body

10: Outer disc

11: Inner disc

12: The first assembly structure

13: The second assembly structure

2: Connection components

20: Gasket

21: The first end face

22: First opening

23: Second opening

24: Second end face

25: perforation

26: Restraint section

261: wall

27: Insert section

271: Groove

272: limit slot

273:Facade

274: Inclined bottom

30: Shrapnel

31: through hole

32: convex part

321: vertical section

322: oblique segment

33: ring body

40: Positioning piece

41: head

42: Shaft

43: Flange

A: Central axis

R1: radial dimension

R2: extended dimension

θ: included angle

Fig. 1 is a perspective view of a preferred embodiment of the present invention. Fig. 2 is a partial exploded view of a preferred embodiment of the present invention. Fig. 3 is a sectional view of a preferred embodiment of the present invention. FIG. 4 is a partially enlarged view of FIG. 3 . Fig. 5 is an exploded view of a shrapnel and a spacer in a preferred embodiment of the present invention. Fig. 6 is a perspective view of a shrapnel and a spacer in a preferred embodiment of the present invention. Fig. 7 is a cross-sectional view of a shrapnel and a gasket in a preferred embodiment of the present invention. FIG. 8 is a partially enlarged view of FIG. 7 . Fig. 9 is a partially enlarged view of a shrapnel and a gasket in a preferred embodiment of the present invention.

1: Disc main body

10: Outer disc

11: Inner disc

2: Connection components

Claims (10)

A floating disk, comprising: a disk main body, including an outer disk part and an inner disk part, a first assembly structure is arranged around the outer disk part, a second assembly structure is arranged around the inner disk part; a connecting component is connected to the first assembly structure and the second assembly structure, including a gasket, a shrapnel and a positioning piece, the gasket includes a first end surface, a second end surface and a perforation, the first end surface and the second end surface are arranged on opposite sides, and the through hole axially passes through the first end surface and the second end surface , the first end surface includes at least one groove, the elastic piece includes a through hole and at least one protrusion, the at least one protrusion passes through the through hole and is pressed into the at least one groove, the positioning member passes through the through hole and the through hole, and the opposite two ends of the positioning member include a head, and the head abuts against the outer disc part and the inner disc part on one side of the disc main body. The floating disc as described in Claim 1, wherein the at least one groove extends radially outward from the through hole, the shrapnel further includes a ring body, the ring body is provided with the through hole, and each of the protrusions is connected to the ring body, and the ring body bounces between the outer disc part, the inner disc part and the second end surface on the other side of the disc main body pressed by the head. The floating disc as claimed in claim 1, wherein the at least one groove includes a first opening and a second opening, the first opening is open toward the axial direction, and the second opening is radially open toward the through hole; when the at least one protrusion is pressed into the at least one groove, the at least one protrusion does not protrude from the first opening. The floating disk according to claim 1, wherein the at least one groove includes a sloped bottom surface, and the at least one protrusion is pressed against the sloped bottom surface from the first end surface toward the second end surface. The floating disk according to claim 4, wherein the through hole defines a central axis, and the inclined bottom surface gradually extends obliquely from the first end surface toward the second end surface toward the central axis. The floating disk as claimed in claim 4, wherein the at least one groove further includes a first opening, the first opening is opened in the axial direction, a depth dimension is defined between the inclined bottom surface and the first opening, and the depth dimension gradually decreases radially away from the through hole. The floating disc as described in claim 4, wherein the positioning member further includes a shaft portion, the shaft portion is connected to the head and passes through the through hole and the through hole, the gasket includes a plurality of constraining segments and a plurality of insertion segments, the plurality of constraining segments and the plurality of insertion segments are respectively staggered along the circumferential direction, the plurality of constraining segments and the plurality of insertion segments together constitute the through hole, each insertion segment includes a groove, and the plurality of constraining segments radially correspond to the shaft portion, and the at least one protrusion can be placed on At least one insertion section is stopped in the circumferential direction. The floating disc as described in claim 4, wherein the spacer further includes a circumferential wall, the circumferential wall constitutes the through hole, the circumferential wall comprises at least one vertical surface, the at least one vertical surface extends axially corresponding to and is transversely connected to the inclined bottom surface, the at least one convex portion comprises a vertical section and a sloped section, the vertical section extends axially outward from the through hole, the sloped section connects the vertical section transversely, the vertical section corresponds to the vertical surface, the sloped section is pressed into the at least one groove, and a groove is formed between the vertical surface and the sloped bottom surface An included angle, the included angle is greater than 90 degrees. The floating disc as described in claim 7, wherein the positioning member further includes a flange, the flange and the head are respectively arranged on two opposite sides of the shaft portion, the radial dimension of the flange protruding radially from the shaft portion is larger than the extending dimension of the groove radially away from the through hole, and the flange abuts against the first end surface. The floating disc as described in claim 7, wherein the shrapnel further includes a ring body, the ring body is provided with the through hole, and each of the protrusions is connected to the ring body, and the ring body bounces between the outer disc part, the inner disc part and the second end surface on the other side of the disc body pressed by the head; the at least one groove includes a first opening and a second opening, the first opening is open in the axial direction, and the second opening is radially open to the through hole; when the at least one protrusion is pressed into the at least one groove, the at least one protrusion Does not protrude from the first opening; the through hole defines a central axis, and the inclined bottom surface gradually approaches the center from the first end surface toward the second end surface The axis extends obliquely; a depth dimension is defined between the inclined bottom surface and the first opening, and the depth dimension gradually decreases radially away from the through hole; the gasket further includes a circumferential wall, the circumferential wall constitutes the through hole, the circumferential wall includes at least one elevation, and the at least one elevation extends axially corresponding to and transversely connected to the inclined bottom surface. The oblique section is pressed into the at least one groove; wherein, a radial projection dimension of the at least one oblique bottom surface is smaller than the radial projection dimension of the elevation; each insertion section further includes an axially extending limiting groove, the limiting groove is transverse to the groove, the limiting groove includes the elevation, and each restraining section comprises two retaining walls on opposite sides in the circumferential direction, and one of the retaining walls of the restraining sections is transversely connected to the elevation and the oblique bottom surface of one of the insertion sections disposed therebetween and co-constructs the groove and the restraining The groove, each of the oblique section and the vertical section can stop at the two retaining walls; an angle is formed between the vertical surface and the inclined bottom surface, and the angle is greater than 90 degrees; the positioning member also includes a flange, the flange and the head are respectively arranged on the opposite sides of the shaft, the radial dimension of the flange protruding radially from the shaft is greater than the radial extension of the groove from the through hole, and the flange is against the first end surface; the contact area between the at least one protrusion and the retaining wall is smaller than that of the retaining wall total area.

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