TWM445544U - Heat-dissipating device for hydraulic brake system - Google Patents

Description

Heat sink for brake hydraulic system

This creation is about a heat sink for a brake hydraulic system, especially for a person who helps to greatly increase the heat dissipation surface area.

Generally, the bicycle hydraulic brake system includes a brake mechanism, a hydraulic cylinder and a fuel pipe, and the oil pipe is connected with the brake handle, and when the brake handle is pressed, the liquid in the oil pipe flows toward the hydraulic cylinder and the brake mechanism, and the hydraulic pressure Forcing the brake mechanism to rub the wheels to achieve the purpose of braking.

However, the friction between the brake mechanism and the wheel generates a large amount of heat to increase the temperature. If the temperature of the brake mechanism is too high, the braking effect is poor, and the strength and nature of the brake mechanism will change, which is nothing to cause safety when riding. Hidden worry.

Therefore, in order to improve the efficiency and maintenance safety of the brakes, it is a major task to quickly dissipate the heat generated by the brake mechanism to reduce its temperature. The mechanism for assisting heat dissipation is as described in the patent TWM284806, which is provided with a heat dissipating member between the oil pipe and the hydraulic cylinder, and a plurality of fins are formed on the heat dissipating member to improve the heat dissipating surface area, and it is hoped that the brake mechanism can be assisted thereby. Cooling down. However, the above mechanism is a combination of a pipe joint body fixed at the end of the oil pipe and the heat dissipating member to complete the joint. Therefore, the joint is prone to leakage, and the assembly of the pipe joint body on the oil pipe is not only inconvenient, but also limited. The length of the tubing is difficult to change once it is manufactured. The most important thing is that the heat sink can not effectively dissipate the heat completely. The liquid returned from the brake mechanism returns to the tubing. Since the tubing is usually made of metal, the heat dissipation efficiency is not good, The heat of the liquid in the tubing is difficult to dissipate. When the next brake is applied, these high temperature liquids return to the brake mechanism and affect the braking performance.

The main purpose of this creation is to provide a heat sink for the brake hydraulic system to provide a larger heat dissipation surface area, better heat dissipation and easy adjustment.

In order to achieve the above objectives, the present invention provides a heat sink for a brake hydraulic system, which comprises a heat sink, a set of firmware and a plurality of heat sinks.

The heat dissipating member is hollow and has a fixed end and a connecting end. The fixed end is connected to and connected to a hydraulic cylinder or a brake mechanism. The connecting end is inserted into an oil pipe to make the heat sink and the oil pipe. The heat dissipating member has a heat dissipating portion disposed between the fixed end and the connecting end.

The sleeve is sleeved outside the junction of the heat sink and the oil pipe and is disposed at a connection end of the heat sink. The sleeve can strengthen the combination of the heat sink and the oil pipe and the leakage prevention effect.

The heat-dissipating sockets are sleeved outside the oil pipe and serially connected in series, wherein a heat-dissipating pipe is abutted to the sleeve.

The heat dissipating device of the brake hydraulic system further comprises an adjusting member, the adjusting member is disposed at one end of the oil pipe relative to the heat dissipating member, and the heat dissipating connecting tubes are connected in series to be positioned between the sleeve and the adjusting member to obtain positioning The length of the adjusting member can be adjusted to surely reach the heat dissipating nozzles to position them.

Therefore, the heat dissipation device of the brake hydraulic system provided by the present invention can greatly improve the heat dissipation efficiency of the brake cylinder and the oil pipe, and is easier to adjust and install to match Bicycles of the same specification.

The following is a description of possible implementations of the present invention by way of example only, and is not intended to limit the scope of the creation of the present invention.

Referring to FIG. 1 to FIG. 4, the present invention provides a heat dissipating device for a brake hydraulic system, comprising a heat dissipating member 1, a set of firmware 2 and a plurality of heat dissipating nozzles 3 for mounting on a brake oil pipe 5 and a brake mechanism 7 between.

The heat dissipating member 1 is hollow and has a fixed end 11 and a connecting end 12. The fixed end 11 has a fixing hole for connecting and communicating with a brake mechanism 7 or a hydraulic cylinder. The connecting end 12 is connected. The heat dissipating member 1 is disposed in close contact with the oil pipe 5, and the heat dissipating member 1 is disposed between the fixed end 11 and the connecting end 12. Preferably, the heat dissipating portion 13 is a plurality of heat dissipating fins, and the heat dissipating fins are radially protruded from the heat dissipating member 1 and are spaced apart. In more detail, the heat dissipating member 1 is made of metal. Preferably, the heat dissipating fins are arranged on the same plane and have a fishbone shape. The radial length of each of the heat dissipating fins is greater than any two adjacent heat dissipating fins. a distance between the fins to greatly increase the heat dissipation surface area, and the length of the heat dissipation fins decreases from the fixed end 11 toward the connection end 12; further, the connection end 12 has an outer diameter not greater than the inside of the oil pipe 5 a threaded connecting portion, the outer wall of the screwing portion is provided with a thread (as shown in FIG. 3A) or a barbed tooth portion (such as the connecting end 12b shown in FIG. 3B) to be surely coupled with the oil pipe 5, The heat dissipating member 1 further has an external thread between the heat dissipating portion 13 and the screwing portion, and the screwing portion and the external thread are formed with a back surface to the fixing portion. And a ring groove centered on the screwing section.

The sleeve 2 is disposed outside the joint of the heat dissipating member 1 and the oil pipe 5 and is disposed to the connecting end 12 of the heat dissipating member 1. The sleeve 2 can strengthen the combination of the heat dissipating member 1 and the oil pipe 5 and prevent leakage. . Preferably, the sleeve 2 has a first end and a second end, and the sleeve 2 is internally threaded at an inner wall thereof at its first end to be screwed to the external thread of the heat sink 1 . The inner wall of the second end of the firmware 2 has a reduced diameter section having a smaller inner diameter, such that a space is formed between the reduced diameter section and the annular groove of the heat sink 1. The heat dissipating device of the hydraulic system of the brake further comprises a resilient pad member 14 disposed outside the oil pipe 5 and sandwiched between the sleeve 2 and the oil pipe 5, that is, the pad The piece 14 is located in the space between the reduced diameter section and the annular groove to provide a leakproof effect.

The heat-dissipating nozzles 3 are sleeved outside the oil pipe 5 and serially connected in series, wherein a heat-dissipating pipe 3 is abutted to the sleeve. Preferably, the heat-dissipating nozzles 3 have a snap-fit structure that cooperates with each other, so that the heat-dissipating nozzles 3 can be reliably connected in series to receive heat from the heat sink 1 and to be radiated to the outside.

In the main embodiment of the present invention, an adjustment member 4 is further disposed. The adjusting member 4 is disposed at one end of the oil pipe 5 away from the heat dissipating member 1. The heat dissipating connecting tubes 3 are connected in series to the top of the sleeve 2 and the The positioning between the adjusting members 4 is obtained, and the length of the adjusting member 4 can be adjusted to surely abut the heat radiating nozzles 3 to position them. Preferably, the adjusting member 4 comprises an outer tube 41, an inner tube 42 and an elastic member 43. The inner wall of the outer tube 41 has an internal thread segment 411, and the outer wall of the inner tube 42 has an externally threaded portion 421. The inner wall of the outer tube 41 is formed with a protruding first stop portion 412. The outer wall of the inner tube 42 is formed with a protruding second stopping portion 422. The inner threaded portion 411 of the outer tube is screwed with the outer tube threaded portion 421 and the second stopping portion 422 is located at the outer tube. 41, the elastic member 43 abuts between the first stopping portion 412 and the second stopping portion 422, thereby rotating the outer tube 41 to adjust the overall length of the adjusting member 4 to Reach to the heat sinks 3.

In the actual assembly, the heat dissipating member 1 is connected with a hydraulic cylinder or the braking mechanism 7 with its fixed end 11 , and the oil pipe 5 is spaced apart from one end of the heat dissipating member 1 for inserting a screwing portion 62 of one end joint 6 . The end joint 6 may have a thread 61 connected to a handlebar 8 with respect to one end of the screw portion 62. Preferably, the oil pipe 5 and the joint of the end joint 6 are connected with the adjusting member 4. There is a spacer 63 to enhance the leakproof effect.

In another embodiment of the present invention, referring to FIG. 5A and FIG. 5B, the outer wall of the sleeve 2a may be formed with at least one groove 21 to increase the surface area for heat dissipation.

In another embodiment of the present invention, as shown in FIG. 6A and FIG. 6B, the heat dissipating member 1a also includes a fixed end 11a, a connecting end 12a and a heat dissipating portion 13a, but the sleeve 2b can be directly sleeved. The heat dissipating member 1a and the oil pipe 5 are directly connected to the outside of the oil pipe 5, and are not required to be provided with a thread and a cushion member, so as to achieve a tight fixing and leakage prevention effect.

7A and 7B disclose another possible embodiment, the heat dissipating member 1b has a smooth recessed heat dissipating portion 13b; and the embodiment disclosed in FIGS. 8A and 8B greatly simplifies the structure of the heat dissipating member 1c, including a smaller volume. The fixed end 11c and the heat dissipating portion 13c, wherein the heat dissipating member 1c' can also be formed by combining two components, as shown in FIG. 8C. Shown.

In summary, the heat dissipation device of the brake hydraulic system provided by the present invention has a simple and elastic combination structure and takes into account leakage prevention, greatly improves the surface area of heat dissipation, and provides additional protection of the oil pipe, and has flexibility of adjustment, which is an improvement. The effect is in line with the patent requirements stipulated by the national patent law, and the patent application is filed according to law.

1, 1a, 1b, 1c, 1c'‧‧‧ heat sink

11, 11a, 11c‧‧‧ fixed end

12, 12a, 12b‧‧‧ connection

13, 13a, 13b, 13c‧‧‧ heat dissipation

14‧‧‧Cushion

2, 2a, 2b‧‧‧ sets of firmware

21‧‧‧ Groove

3‧‧‧Solid takeover

4‧‧‧Adjustment

41‧‧‧External management

411‧‧‧Threaded section

412‧‧‧First stop

42‧‧‧Inside

421‧‧‧ external thread section

422‧‧‧second stop

43‧‧‧Flexible parts

5‧‧‧Tube

6‧‧‧End joints

61‧‧‧Thread

62‧‧‧ screw joint

63‧‧‧Cushion

7‧‧‧ brake mechanism

8‧‧‧煞 rider handle

Figure 1 is a perspective view of the creation.

Figure 2 is a cross-sectional view of the creation.

Figure 3 is an exploded perspective view of the creation.

3A is a partial enlarged view of FIG. 3.

Fig. 3B is a partial enlarged view of the second embodiment of the creation.

Figure 4 is a schematic diagram of the use state of the present creation.

Fig. 5A is a partial perspective view of the third embodiment of the creation.

Figure 5B is a partial cross-sectional view showing a third embodiment of the creation.

Fig. 6A is a partial perspective view of the fourth embodiment of the creation.

Figure 6B is a partial cross-sectional view showing the fourth embodiment of the creation.

Fig. 7A is a partial perspective view of the fifth embodiment of the creation.

Figure 7B is a partial cross-sectional view showing the fifth embodiment of the creation.

Fig. 8A is a partial perspective view of the sixth embodiment of the creation.

Figure 8B is a partial cross-sectional view showing the sixth embodiment of the present invention.

Figure 8C is a partial perspective view of the seventh embodiment of the creation

1‧‧‧ Heat sink

11‧‧‧ fixed end

13‧‧‧ Department of heat dissipation

2‧‧‧Sets of firmware

3‧‧‧Solid takeover

4‧‧‧Adjustment

41‧‧‧External management

42‧‧‧Inside

6‧‧‧End joints

61‧‧‧Thread

Claims (9)

A heat dissipating device for a brake hydraulic system includes: a heat dissipating member having a hollow shape and having a fixed end and a connecting end, the fixing end having a fixing hole for connecting and communicating with a braking mechanism, the connecting end The heat sink has a heat dissipating portion disposed between the fixed end and the connecting end; the heat sink is disposed on the oil pipe to be in close contact with the oil pipe, and the heat dissipating portion is disposed between the fixed end and the connecting end; The sleeve is disposed outside the joint of the oil pipe and is disposed at the connecting end of the heat dissipating member, the sleeve is capable of reinforcing the combination and the leakage preventing effect of the heat dissipating member and the oil pipe; the plurality of heat dissipating pipes are sleeved outside the oil pipe and In series, one of the heat sinks is abutted to the sleeve. The heat dissipating device of the brake hydraulic system of claim 1, wherein the heat dissipating portion is a plurality of heat dissipating fins, and the heat dissipating fins are radially protruded from the heat dissipating member and spaced apart. The heat dissipating device of the brake hydraulic system according to claim 2, wherein the length of the fins decreases from the fixed end toward the connecting end. The heat dissipating device of the brake hydraulic system of claim 1, further comprising a pad member sleeved outside the oil pipe and sandwiched between the sleeve and the oil pipe. The heat sink of the brake hydraulic system of claim 1, wherein the outer wall of the sleeve is formed with at least one groove to increase the surface area for heat dissipation. The heat dissipating device of the brake hydraulic system according to claim 1, wherein the heat dissipating member The outer wall of the connecting end is provided with an external thread, and the inner wall of one end of the sleeve is provided with an internal thread, and the external thread of the heat dissipating member can be screwed with the internal thread of the sleeve. The heat dissipating device of the brake hydraulic system according to claim 1, wherein the sleeve is press-fixed to the oil pipe and the heat dissipating member, so that the sleeve, the oil pipe and the heat dissipating member are positioned and airtight to each other. The heat dissipating device of the brake hydraulic system of claim 1, further comprising an adjusting member disposed on one end of the oil pipe relative to the heat dissipating member, the heat dissipating connecting tubes being connected in series to the top of the sleeve and Positioning is obtained between the adjusting members, and the length of the adjusting member is adjustable to be surely abutted to the heat dissipating nozzles for positioning. The heat dissipating device of the brake hydraulic system according to claim 8, wherein the adjusting member comprises an outer tube, an inner tube and an elastic member, the inner wall of the outer tube has an internal thread segment, and the outer wall of the inner tube has an external thread. The inner wall of the outer tube is formed with a protruding first stopping portion, and the outer wall of the inner tube is formed with a protruding second stopping portion, and the inner thread portion of the outer tube is screwed with the outer thread portion of the inner tube The second stopping portion is located in the outer tube, and the elastic member abuts between the first stopping portion and the second stopping portion.