CN201235896Y - synchronous braking system - Google Patents

Abstract

A synchronous brake system comprises a first brake operating device with a first operating lever, a second brake operating device with a second operating lever, a third brake operating device with a third operating lever, a first drum brake device with a first brake rocker arm, a second drum brake device with a second brake rocker arm, a first balance plate, a second balance plate, a first sleeve, a second sleeve, a first lead, a third sleeve, a fourth sleeve, a second lead, a fifth sleeve and a third lead. When the third brake operating device is operated, the third wire in the fifth sleeve may be pulled, so that the first wire in the first and second sleeves and connected between the first brake operating device and the first drum brake device is pulled, and the second wire in the third and fourth sleeves and connected between the second brake operating device and the second drum brake device is pulled. The utility model has the advantages that: the synchronous braking system can achieve the effect of synchronous braking with a simple structure, and can reduce the assembly complexity and the manufacturing cost.

Description

synchronous braking system

technical field

The utility model relates to a synchronous braking system, in particular to a synchronous braking system with simplified structure.

Background technique

Generally speaking, there are various types of braking systems currently used in vehicles, and most of them have complicated structures, which will increase the complexity of assembly and the manufacturing cost.

Utility model content

The purpose of the utility model is to provide a synchronous braking system, which can achieve the effect of synchronous braking through a simple structure.

The purpose of this utility model is achieved in that a synchronous brake system includes a first brake operating device with a first operating lever; a second brake operating device with a second operating lever; a third operating device with a third operating lever Brake operating device; a first drum brake device with a first brake rocker arm; a second drum brake device with a second brake rocker arm; a first balance plate with a first end and a second end part, wherein the first end is opposite to the second end; a second balance plate is connected to the first balance plate and slides between the first end and the second end between; a first bushing abutting between the first brake operating device and the first end of the first balance plate; a second bushing abutting between the second balance plate and the between the first drum brake devices; a first wire, passing through the first bushing and the second bushing, and connected between the first operating lever and the first brake rocker arm; A third sleeve abuts between the second brake operating device and the first end of the first balance plate; a fourth sleeve abuts between the second balance plate and the second drum Type brake device; a second lead wire, which is passed through the third bushing and the fourth bushing, and is connected between the second operating lever and the second brake rocker arm; a fifth set a tube abutting between the second end of the first balance plate and the third brake operating device; and a third wire passing through the fifth bushing and connected to the second Between the balance plate and the third operating lever.

Meanwhile, according to the synchronous braking system of the present invention, the first wire is connected between the first operating lever and the first brake rocker arm through the first end portion of the first balance plate.

Also in the present invention, the second wire is connected between the second operating lever and the second brake rocker arm through the first end of the first balance plate.

Also in the present invention, the third wire is connected between the second balance board and the third operating lever via the second end of the first balance board.

Also in the present utility model, the first brake operating device further has a first fixed base, the first operating lever is connected to the first fixed base in a rotational manner, and the first bushing abuts against the first fixed base. between the first fixing seat and the first end of the first balance plate.

In the present invention, the first drum brake device further has a first positioning seat, and the second bushing abuts between the second balance plate and the first positioning seat.

In the present utility model, the second brake operating device further has a second fixed seat, the second operating lever is connected to the second fixed seat in a rotational manner, and the third sleeve is abutted against the second Between the fixing base and the first end of the first balance plate.

Also in the present invention, the second drum brake device further has a second positioning seat, and the fourth bushing abuts between the second balance plate and the second positioning seat.

In the present utility model, the third brake operating device further has a third fixed seat, the third operating lever is connected to the third fixed seat in a rotational manner, and the fifth sleeve is abutted against the first balance between the second end of the board and the third fixing seat.

The utility model has the advantages that: the synchronous braking system can achieve the effect of synchronous braking with a simple structure, and can reduce assembly complexity and manufacturing cost.

Description of drawings

Figure 1 shows a schematic plan view of the synchronous braking system of the present invention in an operating state;

Fig. 2A is a schematic cross-sectional view of A-A of Fig. 1;

Fig. 2B is the B-B sectional schematic diagram of Fig. 1;

Figure 3 shows a schematic plan view of the synchronous braking system of the present invention in another operating state;

Fig. 4A is A'-A' sectional schematic diagram of Fig. 3;

Fig. 4B is a schematic cross-sectional view of B'-B' in Fig. 3 .

Explanation of main component symbols

100～synchronous braking system

110 ~ the first brake operating device

111～the first operating lever

112～the first fixed seat

120～Second brake operating device

121～second operating lever

122～Second fixed seat

130～The third brake operating device

131 ~ the third operating lever

132～The third fixed seat

140～The first drum brake device

141～The first brake rocker arm

142～The first positioning seat

150～Second drum brake device

151～Second brake rocker arm

152～Second positioning seat

160～the first balance plate

161～first end

162～second end

170～Second balance plate

181～the first casing

182～Second casing

183～Third casing

184～the fourth casing

185～fifth casing

191～first wire

192～Second wire

193～Third wire

Detailed ways

In order to make the above-mentioned purpose, features and advantages of the present invention more comprehensible, preferred embodiments are specifically cited below and described in detail in conjunction with the accompanying drawings.

1 and 3, the synchronous brake system 100 of this embodiment mainly includes a first brake operating device 110, a second brake operating device 120, a third brake operating device 130, and a first drum brake device 140. , a second drum brake device 150, a first balance plate 160, a second balance plate 170, a first bushing 181, a second bushing 182, a first wire 191, a third set Tube 183 , a fourth sleeve 184 , a second wire 192 , a fifth sleeve 185 and a third wire 193 .

The first brake operating device 110 has a first operating lever 111 and a first fixing seat 112 . The first operating lever 111 is rotatably connected to the first fixing base 112 .

The second brake operating device 120 has a second operating lever 121 and a second fixing seat 122 . The second operating lever 121 is rotatably connected to the second fixing base 122 .

The third brake operating device 130 has a third operating lever 131 and a third fixing seat 132 . The third operating lever 131 is rotatably connected to the third fixing base 132 .

The first drum brake device 140 has a first brake rocker arm 141 and a first positioning seat 142 .

The second drum brake device 150 has a second brake rocker arm 151 and a second positioning seat 152 .

The first balance plate 160 has a first end 161 and a second end 162 . The first end portion 161 is opposite to the second end portion 162 .

The second balance board 170 is connected to the first balance board 160 , and the second balance board 170 is slid between the first end 161 and the second end 162 .

The first sleeve 181 abuts between the first brake operating device 110 and the first end 161 of the first balance plate 160 . More specifically, the first sleeve 181 abuts between the first fixing base 112 of the first brake operating device 110 and the first end 161 of the first balance plate 160 .

The second sleeve 182 abuts between the second balance plate 170 and the first drum brake device 140 . More specifically, the second sleeve 182 abuts between the second balance plate 170 and the first positioning seat 142 of the first drum brake device 140 .

The first wire 191 is passed through the first bushing 181 and the second bushing 182, and the first wire 191 is connected to the first operating lever 111 of the first brake operating device 110 and the first operating lever 111 of the first drum brake device 140. Between a brake rocker arm 141 . In more detail, the first wire 191 is connected between the first operating lever 111 and the first brake rocker arm 141 via the first end portion 161 of the first balance plate 160 .

The third sleeve 183 abuts between the second brake operating device 120 and the first end 161 of the first balance plate 160 . More specifically, the third sleeve 183 abuts between the second fixing base 122 of the second brake operating device 120 and the first end 161 of the first balance plate 160 .

The fourth sleeve 184 abuts between the second balance plate 170 and the second drum brake device 150 . More specifically, the fourth sleeve 184 abuts between the second balance plate 170 and the second positioning seat 152 of the second drum brake device 150 .

The second wire 192 is passed through the third bushing 183 and the fourth bushing 184, and the second wire 192 is connected to the second operating lever 121 of the second brake operating device 120 and the first drum brake device 150. Between the two brake rocker arms 151 . In more detail, the second wire 192 is connected between the second operating lever 121 and the second brake rocker arm 151 through the first end portion 161 of the first balance plate 160 .

The fifth sleeve 185 abuts between the second end 162 of the first balance plate 160 and the third brake operating device 130 . More specifically, the fifth sleeve 185 abuts between the second end 162 of the first balance plate 160 and the third fixing seat 132 of the third brake operating device 130 .

The third wire 193 passes through the fifth sleeve 185 , and the third wire 193 is connected between the second balance plate 170 and the third operating lever 131 of the third brake operating device 130 . More specifically, the third wire 193 is connected between the second balance plate 170 and the third operating lever 131 of the third brake operating device 130 via the second end portion 162 of the first balance plate 160 .

In addition, it should be noted that the first sleeve 181 , the second sleeve 182 , the third sleeve 183 , the fourth sleeve 184 and the fifth sleeve 185 are all made of moderately rigid materials.

In addition, as shown in FIG. 1 , FIG. 2A and FIG. 2B , when the synchronous braking system 100 is not operated, the second balance plate 170 abuts against the first end 161 of the first balance plate 160 .

When the first brake operating device 110 is operated, that is, when the first operating lever 111 is operated or rotated, the first wire 191 passing through the first bushing 181 and the second bushing 182 will be pulled. At this time, the first brake rocker arm 141 will be pulled by the first wire 191 , and then the first drum brake device 140 will produce a braking effect.

Similarly, when the second brake operating device 120 is operated, that is, when the second operating lever 121 is operated or rotated, the second wire 192 passing through the third bushing 183 and the fourth bushing 184 will be activated. pull. At this time, the second brake rocker arm 151 will be pulled by the second wire 192 , and then the second drum brake device 150 will produce a braking effect.

On the other hand, when the third brake operating device 130 is operated, that is, when the third operating lever 131 is operated or rotated, the third wire 193 passing through the fifth sleeve 185 will be pulled. At this time, as shown in FIG. 3 , FIG. 4A and FIG. 4B , since the fifth sleeve 185 is made of moderately rigid material, its length does not change. Therefore, the second balance plate 170 will be pulled by the third wire 193 , thus causing the second balance plate 170 to slide relative to the first balance plate 160 . That is to say, the second balance plate 170 will slide towards the second end 162 of the first balance plate 160 , and then force the second sleeve 182 and the fourth sleeve 184 abutting against the second balance plate 170 . Move with it (down). More specifically, the distances between the second bushing 182 and the fourth bushing 184 and the first bushing 181 and the third bushing 183 respectively on the first balance plate 160 will increase. However, since the second sleeve 182 and the fourth sleeve 184 are made of moderately rigid materials, their lengths will not change. Therefore, the increased separation distance between the second bushing 182 and the first bushing 181 will be compensated by pulling the first wire 191, thereby pulling the first brake rocker arm 141, and between the fourth bushing 184 and the first bushing 181. The increased separation distance between the third bushings 183 is compensated by pulling the second wire 192 , thereby pulling the second brake rocker arm 151 . As mentioned above, when the third brake operating device 130 is operated, the first drum brake device 140 and the second drum brake device 150 can simultaneously produce a braking effect.

Claims (9)

1. synchronous braking system is characterized in that comprising:

One has the first brake handling device of first operating lever;

One has the second brake handling device of second operating lever;

One has the 3rd brake handling device of the 3rd operating lever;

One has the first Drum brake device of the first brake rocking arm;

One has the second Drum brake device of the second brake rocking arm;

One first balance plate has first end and the second end, and wherein, this first end is with respect to this second end;

One second balance plate is connected in this first balance plate, and slides between this first end and this second end;

One first sleeve pipe is connected between this first end of the first brake handling device and this first balance plate;

One second sleeve pipe is connected between the second balance plate and the first Drum brake device;

One first lead is arranged among first sleeve pipe and second sleeve pipe, and is connected between first operating lever and the first brake rocking arm;

One the 3rd sleeve pipe is connected between the first end of the second brake handling device and this first balance plate;

One quadruplet pipe is connected between the second balance plate and the second Drum brake device;

One second lead is arranged among the 3rd sleeve pipe and the quadruplet pipe, and is connected between second operating lever and the second brake rocking arm;

One the 5th sleeve pipe is connected between the second end and the 3rd brake handling device of the first balance plate; And

One privates is arranged among the 5th sleeve pipe, and is connected between the second balance plate and the 3rd operating lever.

2. synchronous braking system according to claim 1 is characterized in that first lead is connected in via the first end of the first balance plate between first operating lever and the first brake rocking arm.

3. synchronous braking system according to claim 1 is characterized in that second lead is connected in via the first end of the first balance plate between second operating lever and the second brake rocking arm.

4. synchronous braking system according to claim 1 is characterized in that privates is connected between the second balance plate and the 3rd operating lever via the second end of the first balance plate.

5. synchronous braking system according to claim 1, it is characterized in that the first brake handling device has one first permanent seat, first operating lever is connected in first permanent seat in the mode of rotating, and first sleeve pipe is connected between the first end of first permanent seat and the first balance plate.

6. according to right 1 described synchronous braking system, it is characterized in that the first Drum brake device has one first positioning seat, and this second sleeve pipe is to be connected between this second balance plate and first positioning seat.

7. synchronous braking system according to claim 1, it is characterized in that the second brake handling device has one second permanent seat, this second operating lever is to be connected in this second permanent seat in the mode of rotating, and the 3rd sleeve pipe is to be connected between this first end of second permanent seat and the first balance plate.

8. synchronous braking system according to claim 1 it is characterized in that the second Drum brake device has one second positioning seat, and the quadruplet pipe is to be connected between this second balance plate and second positioning seat.

9. synchronous braking system according to claim 1, it is characterized in that the 3rd brake handling device has one the 3rd permanent seat, the 3rd operating lever is to be connected in the 3rd permanent seat in the mode of rotating, and the 5th sleeve pipe is to be connected between this second end and the 3rd permanent seat of this first balance plate.

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