Integrated oil brake braking mechanism

Abstract

The utility model discloses an integrated oil brake braking mechanism which comprises a supporting pipe, a brake pump, an ejector pin, a foot brake, a brake hard pipe, a brake switch and a reset torsion spring. The foot brake comprises a foot brake bent rod and a pedal, one end of the foot brake bent rod is connected with the pedal, a first pin shaft penetrates through the other end of the foot brake bent rod, the ejector pin is rotationally connected to the end of the foot brake bent rod through the first pin shaft, a second pin shaft penetrates through the foot brake bent rod, and the foot brake is rotationally connected with the supporting pipe through the second pin shaft. The end, away from the foot brake, of the ejector pin is connected with a brake pump which is fixed to one side of the supporting pipe, and the end, away from the ejector pin, of the brake pump is connected with a brake hard pipe. The second pin shaft is sleeved with the reset torsion spring, a brake switch fixing piece is fixed to the supporting pipe, and the brake switch is installed on the brake switch fixing piece and connected with the main cable. The brake pump and the ejector pin are integrally assembled on the supporting pipe in advance and can be guaranteed to be on the same straight line, the brake effect is better, assembly is easy and convenient, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of brakes, and in particular to an integrated oil brake mechanism. Background Art

[0002] The hydraulic brake is a common vehicle braking system. Its working principle is to use hydraulic energy to transfer energy, convert the mechanical energy on the pedal into friction energy of the brake pad, and achieve vehicle braking through friction between the brake disc and the brake pad.

[0003] The foot brake bend, foot brake swing arm, brake pump and ejector pin in the existing vehicle oil brake system are assembled separately. Assembly errors can easily cause the brake pump and the ejector pin to be not in the same straight line, resulting in affected braking effect. In addition, the front brake line and the power-off switch are assembled separately in different places, making the assembly cumbersome, time-consuming and labor-intensive. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides an integrated oil brake mechanism, which can achieve the effect of braking and powering off while braking the front and rear wheels. The brake pump and the ejector pin are integrated and assembled on the support tube in advance to ensure that they are in a straight line, with better braking effect, simple assembly, and time and effort saving.

[0005] The technical solution adopted by the utility model to solve the technical problem is: an integrated oil brake mechanism, including a support pipe, a brake pump, a thimble, a foot brake, a brake hard pipe, a brake switch and a reset torsion spring;

[0006] The foot brake comprises a foot brake bent rod and a foot pedal, one end of the foot brake bent rod is connected to the foot pedal, and the other end is provided with a first pin shaft, the ejector pin is rotatably connected to the end of the foot brake bent rod through the first pin shaft, a second pin shaft is rotatably connected to the foot brake bent rod, and the second pin shaft is located on one side of the first pin shaft, and the foot brake is rotatably connected to the support tube through the second pin shaft;

[0007] One end of the ejector pin away from the foot brake is connected to a brake pump, the brake pump is fixed to one side of the support tube, and one end of the brake pump away from the ejector pin is connected to a brake hard tube;

[0008] The reset torsion spring is sleeved outside the second pin shaft, one end of the reset torsion spring is connected to the support tube, and the other end is connected to the foot brake bent rod;

[0009] A brake switch fixing plate is fixed on the support tube, the brake switch is installed on the brake switch fixing plate, and the brake switch is connected to the main cable.

[0010] Furthermore, it also includes a front brake fixing frame, which includes a connecting plate and a fixing plate, the connecting plate is fixed on the foot brake, the fixing plate is fixed on the support tube, the front end core of the front brake line is hinged to the connecting plate, and the outer jacket layer of the front brake line is fixedly connected to the fixing plate.

[0011] Furthermore, the brake pump includes a pump body, and two connecting pipes are fixed to the outer wall of the pump body. Connecting bolts are inserted into the connecting pipes. The connecting bolts pass through one end of the connecting pipe and penetrate the supporting pipe. The connecting bolts pass through one end of the supporting pipe and are threadedly connected with a locking nut.

[0012] Furthermore, the brake switch fixing plate is located at the top of the foot brake, and a trigger plate cooperating with the brake switch is fixed to the upper edge of the foot brake curved rod.

[0013] Furthermore, one end of each of the first pin shaft and the second pin shaft is provided with a gasket and a cotter pin for limiting position.

[0014] Beneficial effects of the utility model:

[0015] When the utility model is used, the integrated oil brake mechanism is assembled on the mounting frame of the cab with bolts, the brake switch is connected to the main cable, and the front brake line is fixed on the fixing plate. When the foot brake is stepped on, the front and rear wheels can be braked at the same time, and the brake power-off effect can also be achieved. The oil brake mechanism integrates the brake pump and the ejector pin on the support pipe in advance, which can ensure that they are in a straight line, has a better braking effect, is easy to assemble, and saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model when it is assembled in a car.

[0017] Figure 2 It is a side view of the overall structure of the utility model

[0018] Figure 3 It is a three-dimensional schematic diagram of the overall structure of the utility model.

[0019] Figure 4 It is a structural schematic diagram of the utility model for embodying the reset torsion spring.

[0020] In the figure: 1. support tube; 11. brake switch fixing plate; 2. brake pump; 21. connecting tube; 22. connecting bolt; 3. ejector pin; 4. foot brake; 41. foot brake bending rod; 42. foot pedal; 43. first pin shaft; 44. second pin shaft; 45. trigger plate; 5. brake hard tube; 6. brake switch; 7. front brake fixing bracket; 71. connecting plate; 72. fixing plate; 8. reset torsion spring; 9. cab; 91. front brake line; 92. main cable; 93. mounting bracket. DETAILED DESCRIPTION

[0021] The utility model is further described in detail below with reference to the accompanying drawings.

[0022] The utility model discloses an integrated one-piece oil brake mechanism.

[0023] Reference Figures 1 to 3 , an integrated oil brake mechanism, comprising a support tube 1, a brake pump 2, a thimble 3, a foot brake 4, a brake hard tube 5, a brake switch 6, a front brake fixing bracket 7 and a return torsion spring 8;

[0024] The foot brake 4 includes a foot brake curved rod 41 and a foot pedal 42. One end of the foot brake curved rod 41 is welded and fixed to the foot pedal 42, and the other end of the foot brake curved rod 41 is penetrated by a first pin shaft 43. The ejector pin 3 is rotatably connected to the end of the foot brake curved rod 41 through the first pin shaft 43. A second pin shaft 44 is also penetrated by the foot brake curved rod 41. The second pin shaft 44 is located on one side of the first pin shaft 43. The foot brake 4 is rotatably connected to the support tube 1 through the second pin shaft 44. One end of the first pin shaft 43 and the second pin shaft 44 are both provided with a gasket and a cotter pin to play a limiting role to prevent the first pin shaft 43 and the second pin shaft 44 from falling off.

[0025] Reference Figures 2 to 4 The end of the ejector pin 3 away from the foot brake 4 is connected to the brake pump 2, the brake pump 2 is fixed to one side of the support tube 1, and the end of the brake pump 2 away from the ejector pin 3 is connected to the brake hard tube 5; the reset torsion spring 8 is sleeved outside the second pin shaft 44, one end of the reset torsion spring 8 is connected to the support tube 1, and the other end is connected to the foot brake bent rod 41, and the reset torsion spring 8 is used for elastic reset after the foot brake 4 is stepped on. The brake pump 2 includes a pump body, and two connecting pipes 21 are fixed to the outer wall of the pump body. A connecting bolt 22 is inserted into the connecting pipe 21, and the connecting bolt 22 passes through one end of the connecting pipe 21 and penetrates the support tube 1. The connecting bolt 22 passes through one end of the support tube 1 and is threadedly connected with a locking nut, which is convenient for installation and positioning.

[0026] A brake switch fixing plate 11 is welded on the support tube 1, and the brake switch 6 is mounted on the brake switch fixing plate 11, and the brake switch 6 is connected to the main cable 92. The brake switch fixing plate 11 is located at the top of the foot brake 4, and a trigger plate 45 that cooperates with the brake switch 6 is fixed on the upper edge of the foot brake curved rod 41. In normal state, the trigger plate 45 on the foot brake 4 is in a state of contact and connection with the brake switch 6. When the foot brake 4 is stepped on, the foot brake 4 flips downward and then the trigger plate 45 is separated from the brake switch 6, realizing the brake power off.

[0027] The front brake fixing frame 7 includes a connecting plate 71 and a fixing plate 72. The connecting plate 71 is welded to the foot brake 4, and the fixing plate 72 is welded to the support tube 1. The front end wire core of the front brake wire 91 is hinged to the connecting plate 71, and the outer jacket layer of the front brake wire 91 is fixedly connected to the fixing plate 72.

[0028] The utility model discloses an integrated oil brake mechanism with working principle: firstly, the front brake fixing frame 7 and the brake switch fixing plate 11 are welded to the support tube 1, the brake pump 2, the brake hard tube 5 and the brake switch 6 are assembled to the support tube 1 with the connecting bolts 22, the foot brake 4 is assembled to the support tube 1 with the second pin shaft 44, the gasket and the cotter pin are used to limit the position to prevent the foot brake 4 from falling off from the second pin shaft 44, the ejector pin 3 is assembled to the foot brake 4 with the first pin shaft 43, and the gasket and the cotter pin are used to limit the position to prevent the foot brake 4 from falling off, and the integrated oil brake mechanism is assembled. Integrated oil brake mechanism; the mechanism is assembled on the mounting frame 93 of the cab 9 with bolts, the brake switch 6 is connected to the main cable 92, and the front brake line 91 is fixed on the fixing plate 72. When the foot brake 4 is stepped on, the front and rear wheels can be braked at the same time, and the brake power-off effect can also be achieved. Since the brake pump 2 and the ejector pin 3 are assembled on the support tube 1 in advance and are guaranteed to be in a straight line, the braking effect is better. When the foot is lifted, the foot brake 4 is reset under the action of the reset torsion spring 8, and the front and rear braking and brake power-off functions are cancelled.

Claims

1. An integrated oil brake mechanism, characterized in that: It comprises a support tube (1), a brake pump (2), a thimble (3), a foot brake (4), a brake hard tube (5), a brake switch (6) and a reset torsion spring (8); The foot brake (4) comprises a foot brake curved rod (41) and a foot pedal (42), one end of the foot brake curved rod (41) is connected to the foot pedal (42), and the other end is provided with a first pin shaft (43), the ejector pin (3) is rotatably connected to the end of the foot brake curved rod (41) through the first pin shaft (43), a second pin shaft (44) is provided on the foot brake curved rod (41), and the second pin shaft (44) is located on one side of the first pin shaft (43), and the foot brake (4) is rotatably connected to the support tube (1) through the second pin shaft (44); The end of the ejector pin (3) away from the foot brake (4) is connected to the brake pump (2), the brake pump (2) is fixed to one side of the support tube (1), and the end of the brake pump (2) away from the ejector pin (3) is connected to the brake hard tube (5); The return torsion spring (8) is sleeved outside the second pin shaft (44), one end of the return torsion spring (8) is connected to the support tube (1), and the other end is connected to the foot brake curved rod (41); A brake switch fixing plate (11) is fixed on the support tube (1), the brake switch (6) is mounted on the brake switch fixing plate (11), and the brake switch (6) is connected to the main cable (92).

2. The integrated oil brake mechanism according to claim 1, characterized in that: The invention also comprises a front brake fixing frame (7), wherein the front brake fixing frame (7) comprises a connecting plate (71) and a fixing plate (72), wherein the connecting plate (71) is fixed on the foot brake (4), and the fixing plate (72) is fixed on the support tube (1), the front end wire core of the front brake wire (91) is hingedly connected to the connecting plate (71), and the outer jacket layer of the front brake wire (91) is fixedly connected to the fixing plate (72).

3. An integrated oil brake mechanism according to claim 1 or 2, characterized in that: The brake pump (2) comprises a pump body, two connecting pipes (21) are fixed to the outer wall of the pump body, connecting bolts (22) are inserted into the connecting pipes (21), and the connecting bolts (22) pass through one end of the connecting pipe (21) and penetrate the support pipe (1), and the connecting bolts (22) pass through one end of the support pipe (1) and are threadedly connected with a locking nut.

4. The integrated hydraulic brake mechanism according to claim 3, characterized in that: The brake switch fixing plate (11) is located at the top of the foot brake (4), and a trigger plate (45) cooperating with the brake switch (6) is fixed on the upper edge of the foot brake curved rod (41).

5. The integrated hydraulic brake mechanism according to claim 4, characterized in that: One end of each of the first pin shaft (43) and the second pin shaft (44) is provided with a gasket and a cotter pin for limiting position.

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