TWI746199B - Interlocking brake system with switching device - Google Patents

Abstract

The present invention relates to an interlocking brake system with a switching device, including a first brake operating device, a second brake operating device, a first brake generating device, a second brake generating device, a first connecting member, a second connecting member and a third connecting member. It is characterized that: the first brake operating device is provided with a switching device, which can control the magnitude or presence or absence of force transmitted by the third connecting member. As such, by adding the mechanical structure of the switching device, it is helpful for the rider to adjust the performance of the interlocking brake system to meet the demand, improve the adjustability in use, and maintain the stability of the braking performance on all types of road surfaces.

Description

Interlocking brake system with switching device

The present invention relates to a linkage brake system with a switching device, in particular to a linkage brake system with a switching device suitable for locomotives.

In order to improve the safety of locomotive riding, it is necessary to develop an interlocking brake system to effectively shorten the braking distance, especially the disc brake system equipped with the front and rear brake systems. The interlocking brake must be designed to maintain good mechanism action, so that the interlocking brake can operate normally, and at the same time It can also take into account the cost of control.

The conventional technology is the interlocking brake system announced in Taiwan Patent Publication No. I374831. The interlocking brake system uses interlocking control valves and regulators as the switching mechanism of the interlocking brake system. Therefore, when the operator uses the rotary handle to turn the adjuster so that the accommodating groove corresponds to the position of the plunger of the linkage control valve, when the first brake master cylinder is used to establish the brake oil pressure, the first brake caliper and the second The two brake calipers can be actuated synchronously to produce the effect of interlocking braking; relatively, when the operator uses the rotary handle to turn the adjuster so that the resisting part corresponds to the position of the plunger of the interlocking control valve, the interlocking brake system is interlocked The braking effect will be released, which can improve the braking safety of the locomotive when driving on wet and slippery roads.

However, the above-mentioned conventional technology is to design the selective switching device of the interlocking brake function on the interlocking valve body. In order to facilitate the operation of the rider, the interlocking valve body switching mechanism must be installed on the exterior shape of the vehicle body. Part of the vehicle styling is not applicable. This is the reason for the inventor. Based on the spirit of active invention, he was eager to think of a linked brake system with a switching device that could solve the above-mentioned problems. After several researches and experiments, the invention was finally completed.

The main purpose of the present invention is to provide a linked braking system with a switching device. By adding a switching device to the first brake operating device, it is convenient for the user to switch at any time according to the different driving roads, and there is no need to switch the switching device. Set on the exterior shape of the car body, while maintaining a better shape design space and aesthetic level.

To achieve the above objective, the interlocking brake system with a switching device of the present invention includes a first brake operating device, a second brake operating device, a first brake generating device, a second brake generating device, a first connecting member, A second connecting piece and a third connecting piece.

The first brake operating device is connected to the first brake generating device via the first connecting member, and transmits the pressing force of the rider on the first brake operating device to the first brake generating device to form a braking force. The second brake operating device is connected to the second brake generating device via the second connecting member, and transmits the pressing force of the rider on the second brake operating device to the second brake generating device to form a braking force. The first brake operating device and the second brake operating device are connected via a third connecting member, and part of the force applied by the rider to the first brake operating device is transmitted to the second brake operating device.

The feature of the present invention is that the first brake operating device is provided with a switching device, and the switching device can control the magnitude or presence of force transmitted by the third connecting member. With the above design, the mechanical structure of the switching device is added to help the rider adjust the performance of the interlocking brake according to the needs, improve the adjustability in use, and maintain the stability of the braking performance on all types of roads.

The above-mentioned first brake operating device may be a first brake master cylinder, which includes a first cylinder, a first brake lever, and an actuating rod. The actuating rod is pivotally connected to the first cylinder by a first pivot point. On the body, the first brake lever is pivotally connected to the actuating rod with a second pivot point. The first cylinder has a first oil chamber, a first plunger and a first spring. The first spring can last for a long time. A spring force is applied to the first plunger, the actuating rod has a first pushing portion that can push the first plunger, and the third connecting piece is a brake wire, which includes a sleeve and a sleeve passing through In the inner cable, the first cylinder is provided with a brake wire fixing seat, the sleeve is connected to the brake wire fixing seat, and the inner wire is connected to the first brake lever. Thereby, the first brake operating device of the present invention is in the form of a brake master cylinder that can provide a change in oil pressure, and constructs a force transmission path for continuous braking through a brake wire.

The switching device may include an operating part, a cam with a cam profile and a switching spring. The operating part can selectively adjust the orientation of the cam profile to change the size of a gap between the cam and the actuating rod. In this way, the present invention utilizes the mechanical characteristics of the cam to allow the user to adjust the position of the contour of the cam by rotating the operating part, thereby adjusting the magnitude of the force transmitted by the third connecting member and changing the performance of the interlocking brake.

The above-mentioned second brake operating device may be a second brake master cylinder, which includes a second cylinder, a second brake lever, a rocker arm, and a rebound spring installed between the second cylinder and the rocker arm, The second cylinder body has a second oil chamber, a second plunger and a second spring. The second brake lever and the rocker arm are pivotally connected to the second cylinder body, and the rocker arm has a mechanism for pushing against the second cylinder. The second pushing part of the plunger, the sleeve is connected to the second cylinder, and the inner line is connected to the rocker arm. As a result, when the first brake lever is continuously pressurized, the rebound spring will be pulled by the brake wire and compressed, causing the rocker arm to push the second plunger, and the second master cylinder will send out oil pressure until the second brake is generated. The device generates braking force to achieve a continuous braking effect.

The first brake generating device may be a first brake caliper, the first connecting member may be a first brake hose; the second brake generating device may be a second brake caliper, and the second connecting member may be a second brake Tubing. In this way, the present invention uses a disc brake system. When the first brake caliper is input oil pressure, it can generate braking force on the rear wheel brake disc to decelerate or stop the vehicle; when the second brake caliper is input oil pressure When pressed, it can generate braking force on the front wheel brake discs to slow down or stop the vehicle.

The above summary and the following detailed description are exemplary in nature to further illustrate the scope of patent application of the present invention. The other objectives and advantages of the present invention will be described in the following description and drawings.

Please refer to Figures 1 to 3, which are the structural diagram of the interlocking brake system in the first state of the switching device in a preferred embodiment of the present invention, the A-direction view in Figure 1, and the part of the interlocking brake system in the first state of the switching device. Sectional view. The figure shows a linked brake system, which mainly includes a first brake operating device 1, a second brake operating device 2, a first brake generating device 3, a second brake generating device 4, a first connecting member 6, a The second connecting piece 7 and a third connecting piece 8. In this embodiment, the first brake operating device 1 is a first brake master cylinder, the second brake operating device 2 is a second brake master cylinder, and the first brake generating device 3 is a first brake caliper. The second brake generating device 4 is a second brake caliper, the first connecting piece 6 is a first brake hose, the second connecting piece 7 is a second brake hose, and the third connecting piece 8 is a brake wire . The first brake operating device 1 and the second brake operating device 2 are capable of separately controlling the braking systems of the front and rear wheels, or linking the braking systems of the front and rear wheels.

As shown in the figure, the first brake operating device 1 includes a first cylinder 11, a first brake lever 12, and an actuating rod 15. The actuating rod 15 is pivotally connected to the first cylinder 11, and the pivotal joint is the first At the pivot point 111, the first brake lever 12 is pivotally connected to the actuating rod 15, and the pivot point is the second pivot point 153. The first cylinder 11 has a first oil chamber 14, a first plunger 13, and a first spring 16. The first oil chamber 14 is filled with hydraulic oil, and is equipped with a first spring 16 that can be used for a long time The plunger 13 exerts a spring force, the first plunger 13 can be pushed by the actuating rod 15 to move in the first cylinder 11, and one end of the actuating rod 15 is provided with a first pushing portion 152 that can push the first plunger 13 , The actuating rod 15 directly or indirectly applies force to the first plunger 13 through the first push portion 152 to move, wherein when the first plunger 13 moves, the first spring 16 is compressed, and the inner part of the first oil chamber 14 The hydraulic oil will be pushed out of the first cylinder 11 to cause the first brake operating device 1 to generate an oil pressure.

The second brake operating device 2 includes a second cylinder 21, a second brake lever 22, a rocker arm 25, and a rebound spring 211 installed between the second cylinder 21 and the rocker arm 25. The second brake lever 22 and the rocker arm 25 are pivotally connected to the second cylinder 21. The second cylinder 21 has a second oil chamber 24, a second plunger 23 and a second spring 26. The second oil chamber 24 is filled with The hydraulic oil is equipped with a second spring 26 to apply a spring force to the second plunger 23 for a long time. The second plunger 23 can be pushed by the rocker arm 25 to move in the second cylinder 21, and one end of the rocker arm 25 There is a second pushing portion 251 that can push the second plunger 23, and the rocker arm 25 moves by directly or indirectly applying force to the second plunger 23 through the second pushing portion 251. When the second plunger 23 moves When the second spring 26 is compressed, part of the hydraulic oil in the second oil chamber 24 will be pushed out of the second cylinder 21, causing the second brake operating device 2 to generate an oil pressure.

In this embodiment, the first cylinder 11 is provided with a brake wire fixing base 112, the brake wire 8 includes a sleeve 81 and an inner wire 82 passing through the sleeve 81, one end of the sleeve 81 is connected to the brake wire fixing base 112, the other end is connected to the second cylinder 21; one end of the inner wire 82 is connected to the first brake lever 12, and the other end is connected to the rocker arm 25.

The first connecting member 6 can transmit the hydraulic oil of the first brake operating device 1 to the first brake generating device 3. Therefore, when the first brake generating device 3 is input with oil pressure, it can brake the rear wheel disc (not shown) Generate braking force to slow down or stop the vehicle. The second connecting piece 7 can transmit the hydraulic oil of the second brake operating device 2 to the second brake generating device 4, so when the second brake generating device 4 is inputted with oil pressure, it can generate the front brake disc (not shown) Braking force slows down or stops the vehicle.

In addition, please also refer to Figure 4, which is a partial enlarged view of Figure 3. As shown in the figure, the first brake operating device 1 is provided with a switching device 121, which can control the magnitude or presence of force transmitted by the third connecting member 8, including an operating portion 1211, a cam profile 1212 The cam 1210 and a switching spring 122, the operating part 1211 can selectively adjust the orientation of the cam profile 1212 based on the camshaft axis 1213 to change the size of the gap d between the cam 1210 and the actuating rod 15, thereby changing the linkage brake The effectiveness. The switching spring 122 is installed on the first brake lever 12 to maintain the force of the cam 1210, so that the switching device 121 is stable and does not shake randomly. Among them, according to the different orientation of the cam profile 1212, it can be divided into two states. When the cam profile 1212 is far away from the actuating rod 15, the gap d is larger, as shown in Figures 1 to 5, it is the first state; When the cam profile 1212 approaches the actuating rod 15, the gap d is small, as shown in Figs. 6-9, it is in the second state.

Please refer to FIG. 5, which is an action diagram of the linked braking system in the first state of the switching device according to a preferred embodiment of the present invention. When the rider operates the first brake lever 12, since there is a gap d between the cam profile 1212 and the actuating rod 15, the first brake lever 12 can force the inner wire 82 of the brake wire 8 to pull the second brake The generating device 4 operates synchronously to achieve the effect of continuous braking.

Please refer to FIGS. 6 to 8, which are a schematic diagram, a partial cross-sectional view, and a partial enlarged view of FIG. 7 of the interlocking brake system in the second state of the switching device according to a preferred embodiment of the present invention. The switching device 121 of the interlocking brake system shown in the figure can enter the second state after the rider turns the operating part 1211. At this time, since the cam profile 1212 is close to the actuating rod 15, the gap d between the cam profile 1212 and the actuating rod 15 will be shortened or even returned to zero, as shown in FIG. 8.

Please also refer to FIG. 9, which is an action diagram of the linked braking system in the second state of the switching device according to a preferred embodiment of the present invention. When the rider operates the first brake lever 12, since there is no gap d or the gap d between the cam profile 1212 and the actuating lever 15 is very short, the first brake lever 12 cannot force the inner wire of the brake wire 8 82. At this time, the cam profile 1212 directly transmits the force from the first brake lever 12 to the actuating lever 15 to move it. The brake wire 8 will not be able to drive the second brake generator 4 to act, achieving the effect of disconnecting the interlocking brake system.

The above-mentioned embodiments are merely examples for the convenience of description, and the scope of rights claimed in the present invention should be subject to the scope of the patent application, rather than being limited to the above-mentioned embodiments.

1: The first brake operating device 11: The first cylinder 111: The first pivot point 112: Brake wire holder 12: The first brake lever 121: Switching device 1210: cam 1211: Operation Department 1212: cam profile 1213: Camshaft axis 122: switching spring 13: The first plunger 14: The first oil chamber 15: Actuating lever 152: The first push 153: second pivot point 16: first spring 2: The second brake operating device 21: Second cylinder 211: rebound spring 22: The second brake lever 23: second plunger 24: The second oil chamber 25: rocker 251: The second push 26: second spring 3: The first brake generating device 4: The second brake generator 6: The first connecting piece 7: The second connecting piece 8: The third connector 81: Casing 82: inside d: gap

FIG. 1 is a structural diagram of a linked braking system in a first state of a switching device according to a preferred embodiment of the present invention. Fig. 2 is a view from the direction A in Fig. 1. FIG. 3 is a partial cross-sectional view of the linked braking system in the first state of the switching device of a preferred embodiment of the present invention. Fig. 4 is a partial enlarged view of Fig. 3. Fig. 5 is an operation diagram of the linked braking system in the first state of the switching device of a preferred embodiment of the present invention. FIG. 6 is a structural diagram of the linked braking system in the second state of the switching device according to a preferred embodiment of the present invention. FIG. 7 is a partial cross-sectional view of the linked braking system in the second state of the switching device of a preferred embodiment of the present invention. Fig. 8 is a partial enlarged view of Fig. 7. FIG. 9 is an operation diagram of the linked braking system in the second state of the switching device of a preferred embodiment of the present invention.

1: The first brake operating device

111: The first pivot point

12: The first brake lever

1212: cam profile

122: switching spring

13: The first plunger

14: The first oil chamber

15: Actuating lever

152: The first push

153: second pivot point

16: first spring

2: The second brake operating device

211: rebound spring

22: The second brake lever

23: second plunger

24: The second oil chamber

25: rocker

251: The second push

26: second spring

8: The third connector

81: Casing

82: inside

Claims (6)

A linked braking system with a switching device, comprising: a first brake operating device, a second brake operating device, a first brake generating device, a second brake generating device, a first connecting piece, and a second connecting piece And a third connecting piece, the first brake operating device is connected to the first brake generating device via the first connecting piece, and transmits the pressing force of the rider on the first brake operating device to the first brake generating device A device to form a braking force; the second brake operating device is connected to the second brake generating device via the second connecting member, and transmits the pressing force of the rider on the second brake operating device to the second brake generating device In order to form a braking force; the first brake operating device and the second brake operating device are connected via the third connecting member, and the rider applies force to the part of the first brake operating device via the second brake The operating device is transmitted to the second brake generating device to form a braking force; it is characterized in that: the first brake operating device is provided with a switching device that can control the magnitude or presence of force transmitted by the third connecting member, so that the Part of the applied force of the first brake operating device can be selectively transmitted to the second brake generating device to form a braking force. The linkage brake system with a switching device according to claim 1, wherein the first brake operating device is a first master brake cylinder, which includes a first cylinder, a first brake lever and an actuating rod, The actuating rod is pivotally connected to the first cylinder by a first pivot point, the first brake lever is pivotally connected to the actuating rod by a second pivot point, and the first cylinder has a first An oil chamber, a first plunger and a first spring, the first spring can apply a spring force to the first plunger for a long time, the actuating rod has a first push that can push the first plunger Part, the third connecting piece is a brake wire, which includes a sleeve pipe and an inner wire passing through the sleeve, the first cylinder is provided with a brake wire fixing seat, and the sleeve is connected to the brake wire fixing seat , The inner cable is connected to the first brake lever. The linkage brake system with a switching device according to claim 1, wherein the switching device includes an operating portion, a cam having a cam profile, and a switching spring, and the operating portion selectively adjusts the cam profile The orientation is used to change the size of a gap between the cam and the actuating rod. The linked brake system with a switching device according to claim 2, wherein the second brake operating device is a second master brake cylinder, which includes a second cylinder, a second brake lever, a rocker arm, and A rebound spring installed between the second cylinder and the rocker arm. The second cylinder has a second oil chamber, a second plunger and a second spring. The second brake lever is connected to the rocker arm. It is pivotally connected to the second cylinder, and the rocker arm has a second pushing part for pushing the second plunger, the sleeve is connected to the second cylinder, and the inner line is connected to the rocker arm. The linked braking system with a switching device according to claim 1, wherein the first brake generating device is a first brake caliper, and the first connecting member is a first brake hose. The linked braking system with a switching device according to claim 1, wherein the second brake generating device is a second brake caliper, and the second connecting member is a second brake hose.

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