Passenger car brake fault plugging structure

Abstract

The utility model relates to a passenger car brake fault plugging structure, which belongs to the technical field of brake equipment and comprises a brake air storage component, the brake air storage component comprises a compressed air tank, the left end of the compressed air tank is communicated with an exhaust pipe, the upper side wall of the compressed air tank is communicated with an air inlet pipe, and a monitoring component is mounted on the exhaust pipe. The monitoring assembly comprises a monitoring pipe communicated with the air inlet pipe, the monitoring pipe is communicated with a detection cylinder, a movable plug is slidably connected into the detection cylinder, a cavity is formed in the movable plug, a magnetic plug is slidably connected into the cavity, an ejector rod is slidably connected to the lower side wall of the magnetic plug, and an ejector rod adjusting assembly is communicated with the side wall of the detection cylinder. According to the device, whether the exhaust pipe is damaged or not can be effectively detected by taking the instantaneous change of the air pressure in the exhaust pipe during normal braking and when a brake pipe is damaged as a distinguishing point, and when the exhaust pipe is damaged, the compressed air tank can be plugged by driving the adjusting assembly and the plugging assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of brake equipment, in particular to a passenger car brake fault blocking structure. Background Art

[0002] Air brake is a braking system mainly used for large vehicles and trains, which generates braking force by using air pressure. It uses an air compressor to compress and store air, and releases compressed air to push the brake when braking is required, thereby achieving braking. Air brakes usually have fast response and high braking force, and are suitable for vehicles that require frequent braking and long-term braking, such as trucks, buses and railway trains.

[0003] The specification of Chinese utility model patent CN217623582U discloses a train automatic air brake that is easy to install, disassemble and repair, including an air brake body, a bottom fixing seat installed at the bottom of the air brake body, and a connecting frame installed at the side of the air brake body. Air pipes and side connecting seats are symmetrically arranged on both sides of the air brake body, and the side of the connecting frame is provided with vents and air delivery ports, and a plurality of fixing screw holes are opened on the connecting frame, and connecting bolts are installed on the side connecting seat. The utility model can quickly install the air brake body by installing the bottom fixing seat at the bottom of the air brake body, and the connecting frame arranged on the side of the air brake body can fix the side to improve the stability of the air brake body, and the connecting frame is connected to the side connecting seat through the fixing screw holes by connecting bolts, and can be regularly disassembled for maintenance or repair.

[0004] However, in the air brake system, once the brake pipe used to transmit air is damaged and causes air leakage, the bus will be unable to brake. When the brake pipe in the existing brake system is damaged, it does not have the function of sealing the compressed air tank, causing the gas inside the compressed air tank to be discharged along with the brake pipe. As a result, when the system prompts the driver that a brake failure has occurred, the vehicle has already lost its braking ability, which can easily bring safety hazards to life and property. For this reason, the applicant proposes a bus brake fault sealing structure. Utility Model Content

[0005] The purpose of the utility model is to provide a passenger car brake fault blocking structure to solve the problem proposed in the above background technology that when the brake pipe in the existing brake system is damaged, it does not have the function of blocking the compressed air tank, causing the gas inside the compressed air tank to be discharged together with the brake pipe, resulting in the vehicle having lost its braking ability when the system prompts the driver that a brake failure has occurred, which is likely to bring safety hazards to life and property.

[0006] The technical solution of the utility model is:

[0007] It includes a brake air storage component, which includes a compressed air tank. The left end of the compressed air tank is connected to an exhaust pipe, the upper side wall of the compressed air tank is connected to an intake pipe, and a monitoring component is installed on the exhaust pipe. The monitoring component includes a monitoring tube connected to the intake pipe, a detection tube is connected to the monitoring tube, a movable plug is slidably connected to the inside of the detection tube, a cavity is excavated inside the movable plug, and a magnetic plug is slidably connected to the inside of the cavity, a push rod is slidably connected to the lower side wall of the magnetic plug, a push rod adjustment component is connected to the side wall of the detection tube, a drive adjustment component is installed on the lower side wall of the monitoring tube, and a sealing component is installed between the compressed air tank and the exhaust pipe.

[0008] Furthermore, the push rod adjustment assembly includes a horizontal cylinder connected to the detection cylinder, a sealing ring is fixedly connected inside the horizontal cylinder, a sealing block is slidably connected inside the horizontal cylinder, and a tension spring is fixedly connected between the sealing block and the horizontal cylinder.

[0009] A slider is slidably connected to one side wall of the sealing block close to the monitoring tube, a hinged rod is hinged on the slider, a horizontal rod is rotatably connected to the hinged rod and fixedly connected to the front and rear inner walls of the horizontal cylinder, a vertical cylinder is connected to the lower side wall of the horizontal cylinder, a piston is slidably connected inside the vertical cylinder, a connecting rope is fixedly connected between the piston and the hinged rod, and a gas transmission pipe is connected between the vertical cylinder and the cavity of the movable plug.

[0010] By setting up a push rod adjustment assembly, the exhaust pipe can be inspected. When the movable plug moves quickly, the sealing block controls the movement of the piston through the cooperation of the hinged rod, and then controls the retraction of the push rod. When the movable plug moves slowly, the push rod can be extended to drive the adjustment assembly to complete the sealing of the compressed gas tank.

[0011] Furthermore, the drive adjustment component includes a drive tube fixedly connected to the lower side wall of the detection tube, a fixed plate is fixedly connected inside the drive tube, a first compression spring is fixedly connected to the upper side wall of the fixed plate, a sealing gasket in contact with the upper port of the drive tube is fixedly connected to the upper side wall of the first compression spring, a second compression spring is fixedly connected to the lower side wall of the fixed plate, an air plug is fixedly connected to the lower end of the second compression spring, a tooth plate is fixedly connected to the lower side wall of the air plug, and a sealing component includes a cylinder connected to the lower end of the exhaust pipe, a rotating plug is rotatably connected inside the cylinder, an L-shaped cavity is opened inside the rotating plug, and a fixing rod is fixedly connected to the rotating plug.

[0012] By providing a driving and adjusting component and a blocking component, the tooth plate can be driven downward by the driving force of the second compression spring, and then the rotating plug can be driven to rotate by the gear, thereby completing the blocking effect on the exhaust pipe.

[0013] The utility model provides a passenger car brake fault blocking structure through improvement, which has the following improvements and advantages compared with the prior art:

[0014] First, the utility model uses the instantaneous change of the air pressure inside the exhaust pipe during normal braking and when the brake pipe is damaged as a distinguishing point, thereby effectively detecting whether the exhaust pipe is damaged.

[0015] Second, the utility model can seal the compressed gas tank by driving the regulating component and the sealing component when the exhaust pipe is damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0017] Figure 1 It is a three-dimensional stereogram of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the brake air storage component of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the monitoring component of the utility model;

[0020] Figure 4 This utility model Figure 3 The enlarged view of point A in the middle;

[0021] Figure 5 It is a structural schematic diagram of the push rod adjustment assembly of the utility model;

[0022] Figure 6 It is a structural schematic diagram of the driving and regulating component and the blocking component of the utility model.

[0023] Description of reference numerals:

[0024] 1. Brake air storage assembly; 101. Compressed air tank; 102. Exhaust pipe; 103. Intake pipe;

[0025] 2. Monitoring assembly; 201. Monitoring tube; 202. Detection tube; 203. Moving plug; 204. Magnetic plug; 205. Ejector rod;

[0026] 3. Push rod adjustment assembly; 301. Horizontal cylinder; 302. Sealing ring; 303. Sealing block; 304. Tension spring; 305. Sliding block; 306. Horizontal rod; 307. Articulated rod; 308. Vertical cylinder; 309. Piston; 310. Connecting rope; 311. Gas transmission pipe;

[0027] 4. Drive adjustment assembly; 401. Drive pipe; 402. Fixing plate; 403. First compression spring; 404. Sealing pad; 405. Second compression spring; 406. Air plug; 407. Tooth plate;

[0028] 5. Sealing assembly; 501. Cylinder; 502. Rotating plug; 503. L-shaped cavity; 504. Fixed rod; 505. Connecting rod; 506. Gear. DETAILED DESCRIPTION

[0029] The following will be combined with the attached Figures 1 to 5 The utility model is described in detail, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] The utility model provides a passenger car brake fault blocking structure through improvement, such as Figure 1 - Figure 6 As shown, it includes a brake air storage component 1, which includes a compressed air tank 101, an exhaust pipe 102 is connected to the left end of the compressed air tank 101, and an intake pipe 103 is connected to the upper side wall of the compressed air tank 101. An air compressor is installed at the end of the intake pipe 103 away from the compressed air tank 101, and the air outside is absorbed by the air compressor and stored in the compressed air tank 101. A monitoring component 2 is installed on the exhaust pipe 102, and the monitoring component 2 includes a monitoring component 2 connected to the intake pipe 103. The monitoring tube 201 is connected with a detection cylinder 202, a movable plug 203 is slidably connected inside the detection cylinder 202, a cavity is excavated inside the movable plug 203, and a magnetic plug 204 is slidably connected inside the cavity, a push rod 205 is slidably connected to the lower side wall of the magnetic plug 204, a push rod adjustment component 3 is connected to the side wall of the detection cylinder 202, a driving adjustment component 4 is installed on the lower side wall of the monitoring tube 201, and a blocking component 5 is installed between the compressed gas tank 101 and the exhaust pipe 102.

[0031] In this embodiment: when performing normal braking, the driver steps on the brake pedal, at which time part of the air inside the compressed gas tank 101 is released and quickly discharged from the exhaust pipe 102. At this time, the air pressure inside the intake pipe 103 instantly decreases. When the driver releases the brake pedal, under the action of the air compressor, the air inside the compressed gas tank 101 is gradually filled, and the air pressure in the intake pipe 103 slowly returns to its initial state.

[0032] It is worth noting that the braking system of the bus is a prior art, and the system also includes components such as an air dryer, a relay valve, and a brake, which are well-known technologies in the field and will not be described in detail here.

[0033] In the above embodiment, in order to detect whether the intake pipe 103 is damaged by the air pressure of the intake pipe 103, the following method can be adopted:

[0034] In a preferred embodiment, the push rod adjustment assembly 3 includes a transverse cylinder 301 connected to the detection cylinder 202, a sealing ring 302 is fixedly connected inside the transverse cylinder 301, a sealing block 303 is slidably connected inside the transverse cylinder 301, and a tension spring 304 is fixedly connected between the sealing block 303 and the transverse cylinder 301.

[0035] A slider 305 is slidably connected to one side wall of the sealing block 303 close to the monitoring tube 201, a hinged rod 307 is hinged on the slider 305, a horizontal rod 306 fixedly connected to the front and rear inner walls of the horizontal cylinder 301 is rotatably connected to the hinged rod 307, a vertical cylinder 308 is connected to the lower side wall of the horizontal cylinder 301, a piston 309 is slidably connected inside the vertical cylinder 308, a connecting rope 310 is fixedly connected between the piston 309 and the hinged rod 307, and a gas transmission pipe 311 is connected between the vertical cylinder 308 and the cavity of the movable plug 203.

[0036] It is worth noting that the magnetic plug 204 can generate magnetic attraction with the lower side wall of the detection tube 202. When the air pressure inside the air inlet pipe 103 becomes smaller, under the action of the magnetic force, the magnetic plug 204 will be adsorbed and drive the movable plug 203 to move downward. When the movable plug 203 moves slowly downward, the sealing block 303 will not open, and the gas will be discharged from the tiny through hole drilled at the upper end of the monitoring tube 201.

[0037] In this embodiment, after the driver steps on the brake pedal, the air pressure inside the compressed gas tank 101 is released instantly, so that the air pressure inside the monitoring tube 201 and the intake pipe 103 becomes smaller instantly. At this time, the magnetic plug 204 drives the movable plug 203 to move downward rapidly under the adsorption effect of the magnetic force. At this time, the sealing block 303 opens under negative pressure, so that the outside air can be quickly discharged from the horizontal cylinder 301. When the sealing block 303 moves and opens, the slider 305 pushes the hinged rod 307 to rotate a certain angle, and through the action of the lever of the hinged rod 307, the hinged rod 307 pulls the piston 309 through the connecting rope 310. The magnetic plug 204 moves upward, so that the gas transmission pipe 311 generates negative pressure, and the magnetic plug 204 moves upward, so as to achieve the purpose of retracting the push rod 205. When the exhaust pipe 102 is damaged, the air compressor continuously replenishes air, so that the air pressure inside the monitoring pipe 201, the intake pipe 103 and the compressed gas tank 101 gradually decreases. At this time, the movable plug 203 will be in a state of slowly moving downward. At this time, the negative pressure generated inside the monitoring pipe 201 is not enough to pull the sealing block 303 to move, so the push rod adjustment component 3 will not be triggered at this time, and the outside air will be discharged into through the tiny through hole at the upper end of the monitoring pipe 201. The tiny through hole can be seen in Figure 3 At this time, the push rod 205 will not be retracted, and as the movable plug 203 continues to move downward, the push rod 205 can push the sealing gasket 404 to trigger the blocking effect on the compressed gas tank 101.

[0038] It is worth noting that this device is only applicable to situations where the exhaust pipe 102 is slightly damaged. When the exhaust pipe 102 is significantly damaged, the gas inside it will be discharged quickly, causing a pressure reduction rate similar to that during vehicle braking, and will not be able to seal the compressed gas tank 101.

[0039] refer to Figure 2 and Figure 5 In a preferred embodiment, the drive adjustment component 4 includes a drive tube 401 fixedly connected to the lower side wall of the detection cylinder 202, a fixed plate 402 is fixedly connected inside the drive tube 401, a first compression spring 403 is fixedly connected to the upper side wall of the fixed plate 402, a sealing gasket 404 in contact with the upper port of the drive tube 401 is fixedly connected to the upper end of the first compression spring 403, a second compression spring 405 is fixedly connected to the lower side wall of the fixed plate 402, an air plug 406 is fixedly connected to the lower end of the second compression spring 405, and a tooth plate 407 is fixedly connected to the lower side wall of the air plug 406.

[0040] The plugging assembly 5 includes a cylinder 501 connected to the lower end of the exhaust pipe 102, a rotary plug 502 is rotatably connected inside the cylinder 501, an L-shaped cavity 503 is excavated inside the rotary plug 502, a fixed rod 504 is fixedly connected to the rotary plug 502, a gear 506 meshing with the tooth plate 407 is fixedly connected to the end of the fixed rod 504 away from the cylinder 501, and a connecting rod 505 fixedly connected to the compressed gas tank 101 is rotatably connected to the fixed rod 504.

[0041] In this embodiment, after the sealing gasket 404 is pushed open by the push rod 205, the air plug 406 moves downward quickly under the thrust of the second compression spring 405, so that the air plug 406 drives the tooth plate 407 to move downward, and the tooth plate 407 drives the gear 506 to rotate, so that the gear 506 drives the rotating plug 502 to rotate, so that the L-shaped cavity 503 in the rotating plug 502 no longer corresponds to the exhaust pipe 102, thereby achieving a blocking effect between the compressed gas tank 101 and the exhaust pipe 102, avoiding the leakage of the gas inside the compressed gas tank 101 due to the damage of the exhaust pipe 102, and the driver can use the compressed gas tank 101 to retain the remaining compressed gas to complete the emergency braking of the vehicle.

[0042] It should be noted that the sealing gasket 404 and the second compression spring 405 are both in a compressed state in the initial state, and the elastic thrust generated by the sealing gasket 404 is greater than the elastic thrust of the second compression spring 405. When the sealing gasket 404 is not opened, the inside of the driving tube 401 is in a negative pressure state, and the air plug 406 cannot move downward.

[0043] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A passenger car brake fault blocking structure, comprising a brake air storage assembly (1), characterized in that: The brake air storage assembly (1) comprises a compressed air tank (101), the left end of the compressed air tank (101) is connected to an exhaust pipe (102), the upper side wall of the compressed air tank (101) is connected to an intake pipe (103), a monitoring assembly (2) is installed on the exhaust pipe (102), the monitoring assembly (2) comprises a monitoring pipe (201) connected to the intake pipe (103), a detection cylinder (202) is connected to the monitoring pipe (201), and the detection cylinder (202) A movable plug (203) is slidably connected inside, a cavity is excavated inside the movable plug (203), and a magnetic plug (204) is slidably connected inside the cavity, a push rod (205) is slidably connected to the lower side wall of the magnetic plug (204), a push rod adjustment component (3) is connected to the side wall of the detection cylinder (202), a driving adjustment component (4) is installed on the lower side wall of the monitoring tube (201), and a blocking component (5) is installed between the compressed gas tank (101) and the exhaust pipe (102).

2. A passenger car brake fault blocking structure according to claim 1, characterized in that: The push rod adjustment assembly (3) comprises a transverse cylinder (301) connected to the detection cylinder (202), a sealing ring (302) is fixedly connected inside the transverse cylinder (301), a sealing block (303) is slidably connected inside the transverse cylinder (301), and a tension spring (304) is fixedly connected between the sealing block (303) and the transverse cylinder (301).

3. A passenger car brake fault blocking structure according to claim 2, characterized in that: The sealing block (303) is slidably connected to a side wall of the monitoring tube (201) close to a slider (305), a hinged rod (307) is hinged on the slider (305), a horizontal rod (306) fixedly connected to the front and rear inner walls of the horizontal cylinder (301) is rotatably connected to the hinged rod (307), a vertical cylinder (308) is connected to the lower side wall of the horizontal cylinder (301), a piston (309) is slidably connected inside the vertical cylinder (308), a connecting rope (310) is fixedly connected between the piston (309) and the hinged rod (307), and a gas transmission pipe (311) is connected between the vertical cylinder (308) and the cavity of the movable plug (203).

4. A passenger car brake fault blocking structure according to claim 1, characterized in that: The drive adjustment assembly (4) comprises a drive tube (401) fixedly connected to the lower side wall of the detection tube (202); a fixing plate (402) is fixedly connected inside the drive tube (401); a first compression spring (403) is fixedly connected to the upper side wall of the fixing plate (402); and a sealing gasket (404) in contact with an upper end of the drive tube (401) is fixedly connected to the upper end of the first compression spring (403).

5. A passenger car brake fault blocking structure according to claim 4, characterized in that: A second compression spring (405) is fixedly connected to the lower side wall of the fixed plate (402), an air plug (406) is fixedly connected to the lower end of the second compression spring (405), and a toothed plate (407) is fixedly connected to the lower side wall of the air plug (406).

6. The passenger car brake fault blocking structure according to claim 1, characterized in that: The plugging assembly (5) comprises a cylinder (501) connected to the lower end of the exhaust pipe (102), a rotary plug (502) rotatably connected inside the cylinder (501), an L-shaped cavity (503) is bored inside the rotary plug (502), and a fixing rod (504) is fixedly connected to the rotary plug (502).

7. A passenger car brake fault blocking structure according to claim 6, characterized in that: One end of the fixed rod (504) away from the cylinder (501) is fixedly connected to a gear (506) meshing with the toothed plate (407), and a connecting rod (505) fixedly connected to the compressed gas tank (101) is rotatably connected to the fixed rod (504).

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