CN205819465U - Hydraulic brake signal transmitter - Google Patents

Abstract

A hydraulic brake signal transmitter comprises a through pipe, a piston, a transducer and a signal pin, wherein the through pipe has an inlet, an outlet and a side port, and one end of the side port is connected to the inlet and the outlet, and the inlet and the outlet of the through pipe are used to connect the brake oil pipe; the two ends of the transducer are respectively provided with a receiving surface and a conductive surface, and the conductive surface of the transducer faces the two signal pins; the piston is slidably arranged at the side port, and the piston has an oil pushing surface and a top contact surface arranged in opposite directions to each other, the oil pushing surface is used to be pushed by oil, and the top contact surface pushes against the receiving surface of the transducer, and the conductive surface of the transducer is in contact with the two signal pins and is electrically conductive.

Description

Hydraulic brake signal transmitter

technical field

The utility model is related to electric bicycles, in particular to an output signal provided under the action of hydraulic brakes, and the output signal is used to stop the operation of the electric motor, stop the output of the power supply, or trigger warning lights (sounds).

Background technique

In order to facilitate the travel of life and work, many people choose electric bicycles as their means of transportation for short-distance travel, and electric bicycles, as an energy-saving and environmentally friendly means of transportation, have also been widely recognized by the society.

The aforementioned electric bicycle is generally called an electric vehicle or an electric bicycle, and is a vehicle with a storage battery as the main energy source. The appearance is similar to a bicycle or a motorcycle. The bicycle has a power source. Most of the bicycles still retain the pedals and chains of the bicycle, and human power can be used as an auxiliary power (called an electric auxiliary bicycle). The main power source of the electric bicycle is mainly driven by its motor, and the motor mainly adopts a brushed DC motor drive system and a brushless DC motor drive system. For the running speed of the motor, the controller is used, and the Hall sensor is mainly used to control an important part of the motor speed. Generally, it has functions such as stepless speed regulation and over-current protection. Regarding the brakes of electric bicycles, there are requirements such as motorcycle brakes or disc brake systems to reduce driving speed or even stop.

Generally, after the electric bicycle starts the switch (switch), the follow-up operation only needs to turn the shifting handle, and the output power of the motor is controlled by the rotation angle of the shifting handle, and then the electric bicycle is driven to move forward. Regarding the braking of the electric bicycle, it is necessary to cut off the power supply of the motor first, so that when the electric bicycle loses power, the braking action is performed. However, when the driving situation is urgent and the driver is not familiar with the operation, he often turns the transmission handle and presses the brake handle at the same time, resulting in a situation of driving while braking, which will bring the driver and the vehicle into a dangerous accident factor.

In order to improve the aforementioned situation, some related companies have developed an electric control switch installed in the brake handle, which can cut off the power supply of the motor while the driver depresses the brake handle. However, this method will limit the structure and shape of the brake handle, and at the same time increase the troubles in the manufacture and assembly of the brake handle, and greatly increase the cost.

In view of this, in order to improve the aforementioned problems, the inventors carried out related product development and design, relying on many years of practical experience and development capabilities in bicycle exhibitions, and finally created a kind of hydraulic brake signal transmitter, which does not need the prior art Changing the existing brake handle can be commonly used in electric bicycles equipped with hydraulic brakes, and can also meet the needs of stopping the motor and braking safely.

Utility model content

The main technical problem to be solved by the utility model is to overcome the above-mentioned defects in the prior art and provide a hydraulic brake signal transmitter. The signal triggers an action, which is to stop the operation of the electric motor and stop the output of the power supply.

The technical scheme that the utility model solves its technical problem adopts is:

A hydraulic brake signal transmitter, which includes a through pipe, a piston, a moving part and two signal pins, wherein: the through pipe has an inlet, an outlet and a side port, and one end of the side port is connected to the inlet and the outlet, the inlet and outlet of the through pipe are used to connect the brake oil pipe; the two ends of the moving part are respectively provided with a contact surface and a conductive surface, and the conductive surface of the moving part faces the two signal pins; The piston is slidably arranged on the side port. The piston has an oil pushing surface and an abutting surface which are arranged in opposite directions to each other. On the surface, the conductive surface of the moving part is in contact with the two signal pins and is electrically connected.

The aforementioned hydraulic brake signal transmitter, wherein the wearing member includes a valve stem and a counter plate, the valve stem includes a convex plate portion and a threading shaft, one end of the threading shaft is integrally connected with the convex plate portion, and the threading shaft The other end of the shaft is assembled with the abutment plate, and the abutment surface is set on the surface of the abutment plate, and the conductive surface is set on the surface of the raised plate.

In the aforementioned hydraulic brake signal transmitter, the side port includes a large screw hole and a small hole, the piston is slidably arranged in the small hole, and the moving part is located in the large screw hole and the small hole of the side port.

The aforementioned hydraulic brake signal transmitter further includes an outer sleeve and an inner sleeve, the circumference of the outer sleeve is locked with large screw holes, and the circumference of the inner sleeve is locked in the outer sleeve. The threading shaft passes through the inner casing, and the raised disc part is exposed outside the inner casing.

The aforementioned hydraulic brake signal transmitter further includes an outer spring and an inner spring, the two ends of the outer spring bounce against the abutting surface of the piston and between the inner sleeve, the inner spring is sleeved on the shaft, and the inner spring The two ends of the spring bounce against the inner casing and against the plate respectively.

The aforementioned hydraulic brake signal transmitter further includes a cover, which is assembled on one end of the inner sleeve and covers the convex plate, and the two signal pins are passed through and assembled on the cover.

In the above-mentioned hydraulic brake signal transmitter, a clamping column is protruded on the opposite surface of the abutting disc, and the through shaft is provided with a clamping hole for pressing and engaging with each other corresponding to the clamping column.

In the aforementioned hydraulic brake signal transmitter, a washer is sheathed on the circumference of the piston and is in close contact with the side port.

The beneficial effect of the utility model is that when the oil pressure disc brake acts, the oil pressure can provide an output signal, and the output signal is used to trigger an action, the action is to stop the operation of the electric motor and stop the output of the power supply.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is an exploded perspective view of the utility model.

Fig. 2 is a three-dimensional schematic view of the combination of the utility model.

Fig. 3 is a combined sectional view of the utility model.

Fig. 4 is a schematic diagram of the action of the utility model.

Explanation of symbols in the figure:

1 through pipe

11 entrance

12 exits

13 side port

131 large screw hole

132 small holes

2 pistons

21 oil noodle

22 abutment face

23 Washer

3 moving parts

31 Receiving side

32 conductive surface

321 conductive bump

33 Stem

331 convex part

332 through the shaft

333 card hole

34 Arrival

341 card column

4 signal pins

41 cover

5 brake hose

6 Outer sleeves

61 inner casing

62 outer spring

63 inner spring

detailed description

Please refer to FIG. 1 , which shows a hydraulic brake signal transmitter, which includes a through pipe 1 , a piston 2 , a moving part 3 and two signal pins 4 .

The through pipe 1 has an inlet 11 , an outlet 12 and a side port 13 , and one end of the side port 13 communicates with the inlet 11 and the outlet 12 . The side port 13 includes a large screw hole 131 and a small hole 132 , and the large screw hole 131 is located at the outermost side of the side port 13 , that is, the large screw hole 131 is farther away from the inlet 11 and the outlet 12 than the small hole 132 .

The through pipe 1 adopts a pipe material with flow pattern in three directions. The inlet 11 and the outlet 12 are connected to the brake oil pipe 5 between the brake handle and the caliper caliper (the brake handle and the caliper caliper are drawn in the figure), so that the brake fluid can pass through the inlet 11 to the side port 13 and the outlet 12 under the action of the brake. Flow in two directions, so that the signal can be triggered when the brake is applied. Please refer to the following description for signal triggering.

Two ends of the traveling member 3 are respectively provided with an abutment surface 31 and a conductive surface 32 , and the conductive surface 32 of the traveling member 3 faces the two signal pins 4 . The penetrating member 3 includes a valve stem 33 and a counter plate 34, the valve stem 33 includes a convex plate portion 331 and a threading shaft 332, one end of the threading shaft 332 is integrally connected with the convex plate portion 331, and the threading shaft The other end of 332 is assembled with the abutment plate 34 , and the abutment surface 31 is set on the surface of the abutment plate 34 , and the conductive surface 32 is set on the surface of the raised plate portion 331 . The moving member 3 is located in the large screw hole 131 and the small hole 132 of the side opening 13 . The conductive surface 32 of the utility model can be integrally formed with the convex plate portion 331 of the wearer 3, that is, the valve stem 33 of the wearer 3 is entirely made of conductive metal material, or is additionally made of conductive metal material The flakes are combined on the surface of the convex plate portion 331 . In addition, two conductive bumps 321 can be provided on the conductive surface 32 and can be electrically connected with the signal pin 4, thus forming a loop for signal transmission. The abutment plate 34 is provided with a post 341 protruding from the opposite surface of the abutting surface 31 , and the through shaft 332 is corresponding to the post 341 to define a clip hole 333 for pressing and engaging with each other.

The piston 2 is slidably disposed on the side port 13, and the piston 2 has an oil pushing surface 21 and an abutting surface 22 which are arranged in opposite directions to each other. The surface 22 pushes against the abutting surface 31 of the traveling member 3 , and the conductive surface 32 of the traveling member 3 is in contact with the two signal pins 4 to be electrically connected. A gasket 23 is sheathed on the side of the piston 2 and is in close contact with the side port 13 . The piston 2 is slidably disposed in the small hole 132 .

The hydraulic brake signal transmitter further includes an outer sleeve 6 and an inner sleeve 61 , so that the traveling member 3 is slidably installed at the position of the side opening 13 of the through pipe 1 . The peripheral side of the outer casing 6 is provided with threads so as to be locked in the large screw hole 131, and the peripheral side of the inner casing 61 is provided with threads so as to be locked in the outer casing 6. It is disposed on the inner sleeve 61 , and the convex portion 331 is exposed outside the inner sleeve 61 . The hydraulic brake signal transmitter further includes an outer spring 62 and an inner spring 63. The two ends of the outer spring 62 bounce against the abutting surface 22 of the piston 2 and the inner sleeve 61. The inner spring 63 is sheathed in the wearer. The shaft 332 , and the two ends of the inner spring 63 spring against the inner casing 61 and against the plate 34 respectively. In this way, the outer spring 62 normally pushes against the piston 2 towards the side port 13 to communicate with the inlet 11 and the outlet 12, while the inner spring 63 normally pushes against the abutting disc 34 against the abutting surface 22 of the piston 2, which allows the movement The conductive surface 32 of the component 3 is normally separated from the signal pin 4 .

The hydraulic brake signal transmitter of the present utility model further includes a cover 41 assembled on one end of the inner sleeve 61 and covering the raised plate portion 331 , and the two signal pins 4 are penetrated and assembled on the cover 41 .

Regarding the operation mode of the hydraulic brake signal transmitter of the present utility model, please refer to Fig. 3 and Fig. 4 again. The brake fluid flowing in direction 12 drives the action of the brake caliper to meet the needs of entering a low speed or stopping the vehicle, while the brake fluid flowing in direction 13 from the side port pushes piston 2 and the force is concentrated on the oil pushing surface of piston 2 21, let the piston 2 move toward the direction of the large screw hole 131, and at the same time, the piston 2 compresses the outer spring 62, and the abutment plate 34 compresses the inner spring 63, and the piston 2 pushes against the abutment surface 31 with the abutment surface 22, so that the abutment plate 34, Both the through shaft 332 and the convex plate portion 331 can be displaced in the same direction (as shown in FIG. 4, both are displaced in the left direction), and the conductive surface 32 of the convex plate portion 331 contacts the signal pin 4, so that the signal pin 4 and The conductive surface 32 is electrically connected to form a loop, so that the power-on signal can be output through one of the signal pins 4 , the conductive surface 32 , and then the other signal pin 4 . When the brake action is released, the pressure of the brake fluid is lowered so that it no longer flows to the side port 13 and the outlet 12 temporarily. At this time, the inner spring 63 and the outer spring 62 can elastically recover and push the moving member 3 and the piston 2 to reset respectively.

It is believed that through the above description, the utility model can output a control signal under the above action, so that the power supply of the motor (not shown in the figure) can be cut off through the signal, so that the motor no longer has power and stops rotating. Even if the driver needs to turn the shifting handle, or the shifting handle is damaged by a car accident, the output signal of the transmitter of the utility model can be used to cut off the power supply and turn on the running state of the motor, and it will not cause the motor to run while braking, providing safe driver. Reach purpose and effect of this utility model accordingly.

The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model, All still belong to within the scope of the technical solution of the utility model.

Claims (8)

1. A hydraulic brake signal transmitter, characterized in that it includes a through pipe, a piston, a moving part and two signal pins, wherein: The through pipe has an inlet, an outlet and a side port, and one end of the side port is connected to the inlet and the outlet, and the inlet and outlet of the through pipe are used to connect the brake oil pipe; Two ends of the traveling member are respectively provided with an abutment surface and a conductive surface, and the conductive surface of the traveling member faces the two signal pins; The piston is slidably arranged on the side port. The piston has an oil pushing surface and an abutting surface which are arranged in opposite directions to each other. On the opposite side, the conductive surface of the moving part is in contact with the two signal pins and is electrically connected. 2. The hydraulic brake signal transmitter according to claim 1, wherein the moving member includes a valve stem and an abutment plate, and the valve stem includes a convex plate portion and a passing shaft, and the passing shaft One end is integrally connected with the convex plate, and the other end of the through shaft is assembled with the abutting plate, and the abutting surface is arranged on the surface of the abutting plate, and the conductive surface is arranged on the surface of the convex plate. 3. The hydraulic brake signal transmitter according to claim 2, wherein the side port includes a large screw hole and a small hole, the piston is slid in the small hole, and the moving member is located at the side port Large screw holes and small holes. 4. The hydraulic brake signal transmitter according to claim 3, further comprising an outer sleeve and an inner sleeve, the peripheral side of the outer sleeve is locked with a large screw hole, and the circumference of the inner sleeve is The side is locked in the outer sleeve, the penetrating shaft of the penetrating member is passed through the inner sleeve, and the convex plate part is exposed outside the inner sleeve. 5. The hydraulic brake signal transmitter according to claim 4, further comprising an outer spring and an inner spring, the two ends of the outer spring bounce against the abutting surface of the piston and between the inner sleeve, The inner spring is sheathed on the shaft, and the two ends of the inner spring spring against the inner casing and against the plate respectively. 6. The hydraulic brake signal transmitter according to claim 5, further comprising a cover, which is assembled on one end of the inner casing and covers the convex plate, and the two signal pins are assembled on the cover. 7. The hydraulic brake signal transmitter according to claim 2, characterized in that, the opposing surface of the abutting plate is provided with a post protrudingly provided on the opposite side of the abutting surface, and the through shaft is provided with mutual pressing posts corresponding to the post. All-in-one card hole. 8 . The hydraulic brake signal transmitter according to claim 1 , wherein a gasket is sheathed on the peripheral side of the piston and is in close contact with the side port.