TWI857490B - Brake mechanism - Google Patents

Abstract

A brake mechanism is provided. The brake mechanism includes an affixed base, a brake cable, a post, a brake arm and a spring. The brake cable comprises a cable section, a threaded section and a flange. The flange is disposed between the cable section and the threaded section. The brake cable passes through the affixed base and the post. The brake cable is connected to the post. The spring is integrally formed. The spring includes a first end, a second end and an abutting portion. The first end abuts the affixed base. The second end abuts the post. The abutting portion abuts the flange.

Description

Brake mechanism

The present invention relates to a brake mechanism, in particular to a brake mechanism for a motorcycle.

The known brake mechanism includes components such as a fixing seat, a brake wire, a column, a brake arm, and a spring assembly. The spring assembly includes a first spring, a second spring, and a spring seat. The first spring, the second spring, and the spring seat are independent components. The screw section of the brake wire passes through the first spring, the second spring, and the spring seat. The second spring is used to absorb the displacement change of the adjustment nut. In the known technology, since the first spring, the second spring, and the spring seat are independent components, it is easy for parts to fall off during the assembly process, causing inconvenience in assembly.

The embodiment of the present invention is to provide a brake mechanism for solving the problem of the prior art, including a fixing seat, a brake wire, a column, a brake arm and a spring assembly. The brake wire includes a wire segment, a screw segment and an abutment flange. The abutment flange is arranged between the wire segment and the screw segment. The brake wire passes through the fixing seat and the column. The brake arm is connected to the column. The spring assembly is formed in an integral manner, wherein the spring assembly includes a first end, a second end, and abutting portion, wherein the first end can transmit the spring force of the spring assembly to the fixing seat, and the first end can also abut the fixing seat, the second end can transmit the spring force of the spring assembly to the column, and the second end can also abut the column, and the abutting portion can transmit the spring force of the spring assembly to the abutting flange, and the abutting portion can also abut the abutting flange.

In one embodiment, the abutting flange includes an abutting surface, the abutting surface faces the column, and the abutting portion abuts the abutting surface.

In one embodiment, the spring assembly further includes a first spring segment and a second spring segment, the first spring segment is located between the abutting portion and the first end, the second spring segment is located between the abutting portion and the second end, the first spring segment has a first spring outer diameter, the second spring segment has a second spring outer diameter, and the first spring outer diameter is larger than the second spring outer diameter.

In one embodiment, the abutting portion abuts against an arc-shaped abutting area on the abutting surface of the abutting flange, the arc-shaped abutting area extends along the circumference of the abutting flange, and the extension range of the arc-shaped abutting area relative to the circumference of the abutting flange is between 1/2 and 4/5.

In one embodiment, the ratio of the extension range of the arc-shaped abutment area to the circumference of the abutment flange is 3/4.

In one embodiment, the first spring segment, the second spring segment and the abutment portion have the same spring wire diameter.

In one embodiment, the brake mechanism further includes an adjusting nut, the adjusting nut is threadedly connected to the screw rod section, and the column is located between the second end and the adjusting nut.

In one embodiment, the brake wire further includes a dust cover, the dust cover covers part of the wire segment, the dust cover is located between the fixing seat and the abutting flange, at least part of the first spring segment corresponds to the dust cover, and the second spring segment corresponds to the screw segment.

In one embodiment, the brake wire further includes a sleeve, the sleeve covers a portion of the wire segment, the fixing seat is located between the sleeve and the dust cover, and one end of the sleeve abuts against the fixing seat.

In one embodiment, when the brake wire is pulled, the first spring segment is deformed while the second spring segment is not deformed, and when the adjusting nut is turned, the second spring segment is deformed while the first spring segment is not deformed.

The brake mechanism of the embodiment of the present invention can save manufacturing costs and facilitate assembly because the spring assembly is formed in an integral manner. In particular, in the embodiment of the present invention, the abutment portion abuts against one side (abutment surface) of the abutment flange, thereby effectively simplifying the design of the spring assembly, making the integral molding manufacturing feasible, and reducing the manufacturing cost of the spring assembly.

B: Braking mechanism

1: Fixed seat

10: Engine

11: Frame

2: Brake wire

21: Wire segment

22: Screw section

23: Butt flange

231: Butt surface

232: Arc-shaped contact area

24: Dustproof cover

25: Casing

31: Column

32: Adjusting nut

4: Brake arm

5: Spring assembly

501: First end

502: Second end

51: First spring section

52: Second spring section

53: Abutment

D1: first spring outer diameter

D2: outer diameter of the second spring

M: Motorcycle

91: Dragon head

92:Front wheel

93:Rear wheel

94: Seat cushion

95: Power system

Figure 1 shows a partial structure of a motorcycle according to an embodiment of the present invention.

Figure 2 shows the brake mechanism of an embodiment of the present invention.

Figure 3A shows the detailed structure of the brake wire of an embodiment of the present invention.

Figure 3B shows the detailed structure of the spring assembly of the embodiment of the present invention.

Figure 3C is a schematic diagram showing the arc-shaped abutment area of an embodiment of the present invention.

Figure 4A shows the brake wire of the embodiment of the present invention being pulled.

Figure 4B shows the adjusting nut of the embodiment of the present invention being rotated.

FIG. 1 shows a partial structure of a motorcycle M according to an embodiment of the present invention. Referring to FIG. 1, the motorcycle M according to an embodiment of the present invention includes components such as a brake mechanism B, a steering wheel 91, a front wheel 92, a rear wheel 93, a seat 94, and a power system 95.

The motorcycle M includes a front section, a middle section, and a rear section. The front section of the motorcycle M is provided with components such as a faucet 91, a front wheel 92, a turn signal light, and a key hole. The middle section of the motorcycle M is provided with components such as a power system 95, a seat cushion 94, and a tripod. The rear section of the motorcycle M is provided with components such as a tail light, a rear wheel 93, and a fender.

The faucet 91 is used to control the direction of the motorcycle M. Functional parts can be installed on the faucet 91, including units such as instruments, switches, and rearview mirrors. The faucet 91 also has handles (including a refueling handle) and a handbrake. The user can control the direction of the faucet 91 through the handle, adjust the throttle angle of the power system 95 through the refueling handle to control the power output, and slow down the motorcycle M through the handbrake. The faucet 91 can also be equipped with a main light, which provides the main lighting for the motorcycle M.

The faucet 91 and the front wheel 92 are connected via the faucet rotating shaft, so that the angle of the front wheel 92 can be controlled by rotating the faucet 91, thereby controlling the direction of travel of the motorcycle M.

The power system 95 is connected to and drives the rear wheel 93, thereby providing power to the motorcycle M, so that the motorcycle M moves forward.

FIG. 2 shows a brake mechanism of an embodiment of the present invention. Referring to FIG. 2, the brake mechanism B of the embodiment of the present invention includes a fixing seat 1, a brake wire 2, a column 31, a brake arm 4 and a spring assembly 5. The brake wire 2 includes a wire segment 21, a screw segment 22 and an abutment flange 23. The abutment flange 23 is disposed between the wire segment 21 and the screw segment 22. The brake wire 2 passes through the fixing seat 1 and the column 31. The brake arm 4 is connected to the column 31. The spring assembly 5 is formed in an integral manner, wherein the spring assembly 5 includes a first end 501, a second end 502, and a butting portion 53. The first end 501 can transmit the spring force of the spring assembly 5 to the fixing seat 1, and the first end 501 can also butt against the fixing seat 1. The second end 502 can transmit the spring force of the spring assembly 5 to the column 31, and the second end 502 can also butt against the column 31. The butting portion 53 can transmit the spring force of the spring assembly to the butting flange 23, and the butting portion 53 can also butt against the butting flange 23.

Referring to FIG. 1, in one embodiment, the power system 95 includes an engine 10, and the fixing base 1 is fixedly connected to the engine 10. The engine 10 is rotatably connected to the frame 11. The above disclosure does not limit the present invention. For example, in another embodiment, the fixing base 1 may also be fixedly connected to a swing arm.

FIG. 3A shows the detailed structure of the brake wire of the embodiment of the present invention. FIG. 3B shows the detailed structure of the spring assembly of the embodiment of the present invention. With reference to FIGS. 2, 3A and 3B, in one embodiment, the abutting flange 23 includes an abutting surface 231, the abutting surface 231 faces the column 31, and the abutting portion 53 abuts the abutting surface 231.

With reference to Figures 2, 3A and 3B, in one embodiment, the spring assembly 5 further includes a first spring segment 51 and a second spring segment 52, the first spring segment 51 is located between the abutting portion 53 and the first end 501, the second spring segment 52 is located between the abutting portion 53 and the second end 502, the first spring segment 51 has a first spring outer diameter D1, the second spring segment 5 has a second spring outer diameter D2, and the first spring outer diameter D1 is larger than the second spring outer diameter D2. Thus, assembly can be facilitated, and the first spring segment 51 and the second spring segment 52 can also provide appropriate elastic force according to their functional settings.

FIG. 3C is a schematic diagram showing an arc-shaped abutment area of an embodiment of the present invention. With reference to FIGS. 2, 3A, 3B and 3C, in one embodiment, the abutment portion 53 abuts against an arc-shaped abutment area 232 on the abutment surface 231 of the abutment flange 23, and the arc-shaped abutment area 232 extends along the circumference of the abutment flange 23, and the extension range of the arc-shaped abutment area 232 relative to the circumference of the abutment flange 23 is between 1/2 and 4/5. In one embodiment, the extension range of the arc-shaped abutment area 232 relative to the circumference of the abutment flange 23 can be 3/4. Thereby, a good abutment effect can be provided.

With reference to Figures 2, 3A and 3B, from the side view, the first spring segment 51 and the second spring segment 52 extend in an oblique manner, and the abutting portion 53 extends along the abutting surface 231.

With reference to Figures 2 and 3B, in one embodiment, the first spring segment 51, the second spring segment 52 and the abutment portion 53 have the same spring wire diameter. This facilitates manufacturing and avoids stress concentration.

Referring to FIG. 2, in one embodiment, the brake mechanism B further includes an adjusting nut 32, the adjusting nut 32 is threadedly connected to the screw rod section 22, and the column 31 is located between the second end 502 and the adjusting nut 32.

With reference to Figures 2 and 3A, in one embodiment, the brake wire further includes a dust cover 24, the dust cover 24 covers part of the wire segment 21, the dust cover 24 is located between the fixing seat 1 and the abutting flange 23, at least part of the first spring segment 51 corresponds to the dust cover 24, and the second spring segment 52 corresponds to the screw segment 22.

Referring to FIG. 2, in one embodiment, the brake wire 2 further includes a sleeve 25, the sleeve 25 covers a portion of the wire segment 21, the fixing seat 1 is located between the sleeve 25 and the dust cover 24, and one end of the sleeve 25 abuts against the fixing seat 1.

FIG. 4A shows the brake wire of the embodiment of the present invention being pulled. FIG. 4B shows the adjustment nut of the embodiment of the present invention being rotated. With reference to FIG. 2 and FIG. 4A, in one embodiment, based on the design of the abutting portion 53 abutting the abutting surface 231, when the brake wire 2 is pulled, the first spring segment 51 is deformed and the second spring segment 52 is not deformed. With reference to FIG. 2 and FIG. 4B, when the adjustment nut 32 is rotated, the second spring segment 52 is deformed and the first spring segment 51 is not deformed.

The brake mechanism of the embodiment of the present invention can save manufacturing costs and facilitate assembly because the spring assembly is formed in an integral manner. In particular, in the embodiment of the present invention, the abutment portion abuts against one side (abutment surface) of the abutment flange, thereby effectively simplifying the design of the spring assembly, making the integral molding manufacturing feasible, and reducing the manufacturing cost of the spring assembly.

In the embodiments of the present invention, the locomotive defined in the present invention may include a fuel locomotive, an electric locomotive or other motor vehicles.

Although the present invention has been disclosed as above with a specific preferred embodiment, it is not intended to limit the present invention. Anyone familiar with this technology can still make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of the patent application attached hereto.

B: Braking mechanism

1: Fixed seat

2: Brake wire

21: Wire segment

22: Screw section

23: Butt flange

24: Dustproof cover

25: Casing

31: Column

32: Adjusting nut

4: Brake arm

5: Spring assembly

501: First end

502: Second end

51: First spring section

52: Second spring section

53: Abutment

Claims (10)

A brake mechanism comprises: a fixing seat; a brake wire, comprising a wire segment, a screw segment and an abutment flange, wherein the abutment flange is arranged between the wire segment and the screw segment; a column, wherein the brake wire passes through the fixing seat and the column; a brake arm connected to the column; and a spring assembly formed in an integral manner, wherein the spring assembly comprises a first end, a second end and an abutment portion, wherein the first end is suitable for transmitting the spring force of the spring assembly to the fixing seat, the second end is suitable for transmitting the spring force of the spring assembly to the column, the abutment portion is between the first end and the second end, and the abutment portion is suitable for transmitting the spring force of the spring assembly to the abutment flange. As in the brake mechanism of claim 1, the abutting flange includes an abutting surface, the abutting surface faces the column, the first end of the spring assembly abuts the fixing seat, the second end of the spring assembly abuts the column, and the abutting portion of the spring assembly abuts the abutting surface. As in claim 2, the brake mechanism, wherein the spring assembly further includes a first spring segment and a second spring segment, the first spring segment is located between the abutment portion and the first end, the second spring segment is located between the abutment portion and the second end, the first spring segment has a first spring outer diameter, the second spring segment has a second spring outer diameter, and the first spring outer diameter is larger than the second spring outer diameter. As in the brake mechanism of claim 3, the abutting portion abuts against an arc-shaped abutting area on the abutting surface of the abutting flange, the arc-shaped abutting area extends along the circumference of the abutting flange, and the extension range of the arc-shaped abutting area relative to the circumference of the abutting flange is between 1/2 and 4/5. As in claim 4, the brake mechanism, wherein the ratio of the extension range of the arc-shaped abutment area to the circumference of the abutment flange is 3/4. A brake mechanism as claimed in claim 3, wherein the first spring segment, the second spring segment and the abutment portion have the same spring wire diameter. The brake mechanism of claim 3 further includes an adjusting nut, the adjusting nut is threadedly connected to the screw rod section, and the column is located between the second end and the adjusting nut. As in claim 7, the brake wire further includes a dust cover, the dust cover covers part of the wire segment, the dust cover is located between the fixing seat and the abutting flange, at least part of the first spring segment corresponds to the dust cover, and the second spring segment corresponds to the screw segment. As in claim 8, the brake wire further includes a sleeve, the sleeve covers part of the wire segment, the fixing seat is located between the sleeve and the dust cover, and one end of the sleeve abuts against the fixing seat. The brake mechanism of claim 9, wherein when the brake wire is pulled, the first spring segment is deformed while the second spring segment is not deformed, and when the adjusting nut is rotated, the second spring segment is deformed while the first spring segment is not deformed.

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