Exhaust-free filling device of clutch hydraulic power assisting system

Abstract

The utility model relates to an exhaust-free filling device of a clutch hydraulic power assisting system, and discloses a filling device which injects hydraulic oil into a clutch slave cylinder through an oil injection exhaust pipeline, enables the hydraulic oil in the slave cylinder to flow back into a liquid storage tank in the reverse direction and exhausts air in the slave cylinder. The sealing performance is good, and use in narrow space in a vehicle is facilitated. The device is characterized by comprising an oil storage tank, an electric oil pump, a power source and an oil injection and exhaust pipeline, the electric oil pump is arranged on the oil storage tank, an oil inlet of the electric oil pump is communicated with the oil storage tank, one end of the oil injection and exhaust pipeline is connected and communicated with the electric oil pump, and the other end of the oil injection and exhaust pipeline is connected and communicated with a clutch slave cylinder. The power source is connected with the electric oil pump and provides power for the electric oil pump, the electric oil pump pumps out hydraulic oil in the oil storage tank, the hydraulic oil enters the clutch slave cylinder through the oil injection and exhaust pipeline, the hydraulic oil in the slave cylinder reversely flows back into the liquid storage tank, and air in the slave cylinder is exhausted.

Description

Technical Field

[0001] The utility model relates to a clutch hydraulic booster system exhaust filling device for filling a clutch slave cylinder with hydraulic oil to exhaust air in the slave cylinder, belonging to the technical field of automobile maintenance, and particularly to a filling device that injects hydraulic oil into the clutch slave cylinder through an oil injection exhaust pipe, causing the hydraulic oil in the slave cylinder to flow back into the liquid storage tank in the reverse direction to exhaust the air in the slave cylinder. It has good sealing performance and is convenient to use in a narrow space inside the vehicle. Background Art

[0002] If there is air in the clutch hydraulic system of an automobile, it will cause problems such as the clutch pedal bouncing back and the clutch not engaging smoothly, affecting the smooth start and driving stability of the vehicle, as well as the performance and service life of the clutch. Therefore, after a clutch fails or clutch hydraulic fittings are replaced, such as the master cylinder, pipeline, and slave cylinder, air exhaust must be carried out. Currently, the manual air exhaust method is mostly used, that is, the maintenance personnel step on the clutch pedal multiple times, using the up and down movement of the pedal to exhaust the air in the hydraulic system. The exhaust time is relatively long, the air in the pipeline cannot be completely exhausted, the exhaust effect is poor, and two people are required to cooperate, resulting in high labor costs. Summary of the Invention

[0003] In order to improve the above situation, the utility model provides a clutch hydraulic booster system exhaust filling device that injects hydraulic oil into the clutch slave cylinder through an oil injection exhaust pipe, causing the hydraulic oil in the slave cylinder to flow back into the liquid storage tank in the reverse direction to exhaust the air in the slave cylinder. It has good sealing performance and is convenient to use in a narrow space inside the vehicle.

[0004] The clutch hydraulic booster system exhaust filling device of the utility model is realized as follows: The clutch hydraulic booster system exhaust filling device of the utility model includes a fuel tank, an electric oil pump, a power supply, and an oil injection exhaust pipe.

[0005] Characterized in that, the electric oil pump is arranged on the fuel tank, the inlet of the electric oil pump is communicated with the fuel tank, one end of the oil injection exhaust pipe is connected to the electric oil pump and is communicated therewith, the other end of the oil injection exhaust pipe is connected to the clutch slave cylinder and is communicated therewith, the power supply is connected to the electric oil pump to provide power for the electric oil pump, the electric oil pump pumps out the hydraulic oil in the fuel tank, and the hydraulic oil enters the clutch slave cylinder through the oil injection exhaust pipe, causing the hydraulic oil in the slave cylinder to flow back into the liquid storage tank in the reverse direction to exhaust the air in the slave cylinder.

[0006] Preferably, the power connection part of the electric oil pump is located outside the fuel tank, and the oil outlet of the electric oil pump is located outside the fuel tank.

[0007] Preferably, the fuel storage tank is a flat box. An embedded groove is provided on the side of the fuel storage tank. An electric oil pump is arranged in the embedded groove. A refueling port is opened on the side of the fuel storage tank. A detachable sealing cover is arranged on the refueling port.

[0008] Preferably, the power supply includes two parts: a power supply connector and a power cord. There are two power supply connectors. The power supply connectors are connected to the power connection part of the electric oil pump through the power cord.

[0009] The fuel injection exhaust pipe is composed of a communication pipeline, a limit buckle, a pressurization pipeline, a filling nozzle, a filling handle, an auxiliary handle, a connecting insertion pipe and a sealing ring.

[0010] One end of the communication pipeline is hermetically connected to the oil outlet of the electric oil pump and is communicated with the oil outlet of the electric oil pump. The other end of the communication pipeline is connected to one end of the pressurization pipeline and is communicated therewith.

[0011] Preferably, the pressurization pipeline is a transparent hose, and the pressurization pipeline and the communication pipeline are integrally formed.

[0012] The limit buckle is arranged on the side of the fuel storage tank.

[0013] Preferably, there are multiple limit buckles. The multiple limit buckles are arranged at equal intervals along the side of the fuel storage tank. Part of the pressurization pipeline is clamped on the limit buckles.

[0014] One end of the filling handle is provided with a connecting insertion pipe, and the connecting insertion pipe is communicated with the filling handle.

[0015] Preferably, the end of the connecting insertion pipe away from the filling handle is in a frustum structure.

[0016] A sealing ring is sleeved on the connecting insertion pipe.

[0017] Preferably, there are multiple sealing rings. The multiple sealing rings are arranged at equal intervals along the axial direction of the connecting insertion pipe. The inner ring surface of the sealing ring is fixedly connected to the connecting insertion pipe. A rubber gasket is arranged on the outer ring surface of the sealing ring.

[0018] The connecting insertion pipe is inserted into the other end of the pressurization pipeline.

[0019] The filling nozzle is arranged at the other end of the filling handle and is communicated with the filling handle.

[0020] Preferably, the filling nozzle and the filling handle are vertically connected, and the connection part between the filling nozzle and the filling handle is in an arc structure.

[0021] Preferably, the inner diameter of the filling nozzle gradually decreases from the end connected to the filling handle to the other end.

[0022] Preferably, a rubber pad is arranged on the inner wall of the filling nozzle.

[0023] The auxiliary handle is vertically placed at the other end of the filling handle.

[0024] Preferably, the cross-sectional diameter of the auxiliary handle from the end connected to the filling handle to the midpoint is smaller than the cross-sectional diameter from the midpoint to the other end.

[0025] Preferably, anti-slip vertical stripes are provided on the side surface of the auxiliary handle.

[0026] Furthermore, anti-slip patterns are provided on the filling handle. The anti-slip patterns are composed of multiple intersecting diagonal stripes, and the density of the anti-slip patterns near the other end of the filling handle is greater than that near the one end of the filling handle.

[0027] Furthermore, multiple anti-slip grooves are provided on the side surface of the filling handle. The multiple anti-slip grooves are arranged equidistantly along the circumferential direction of the filling handle, and the groove width of the anti-slip grooves gradually increases from the groove bottom to the groove opening.

[0028] Furthermore, the clutch hydraulic booster system exhaust-free filler includes a sealed box, a pressurized air pump and a fixing hoop.

[0029] The pressurized air pump is placed on the sealed box through the fixing hoop. The air outlet of the pressurized air pump is sealed and connected to the sealed box and is in communication therewith.

[0030] Furthermore, preferably, the air inlet of the pressurized air pump is located outside the sealed box, and a filter screen is provided inside the air inlet.

[0031] Furthermore, preferably, a hydraulic oil replenishment port is provided on the sealed box.

[0032] Furthermore, the pressurized air pump is connected to a power supply connector through a power cord. The sealed box is sealed and connected to a pressurized pipeline and is in communication therewith.

[0033] Furthermore, preferably, the connection position of the pressurized pipeline and the sealed box is opposite to the air outlet of the pressurized air pump. Beneficial effects

[0034] First, injecting hydraulic oil into the clutch slave cylinder through the oil injection exhaust pipeline can make the hydraulic oil in the slave cylinder flow back into the liquid storage tank in the reverse direction, quickly exhausting the air in the slave cylinder.

[0035] Second, it has good sealing performance and can effectively avoid vehicle body pollution caused by liquid leakage during the filling and exhaust process.

[0036] Third, it has good flexibility, is convenient for holding and connecting, and is suitable for use in narrow spaces inside the vehicle.

[0037] Fourth, it has a simple structure and low cost.

[0038] Fifth, it is convenient to use and easy to promote. Brief Description of the Drawings

[0039] Figure 1 This is a schematic structural diagram of an air exhaust and filling device for a clutch hydraulic booster system of the present utility model;

[0040] Figure 2 This is a schematic structural diagram of an air exhaust and filling device for a clutch hydraulic booster system of the present utility model, which only shows the structure on the side of the fuel tank;

[0041] Figure 3 This is a schematic structural diagram of an air exhaust and filling device for a clutch hydraulic booster system of the present utility model, which only shows the structure of the filling handle;

[0042] Figure 4 This is a schematic structural diagram of Embodiment 2 of an air exhaust and filling device for a clutch hydraulic booster system of the present utility model;

[0043] Figure 5 This is a schematic structural diagram of Embodiment 3 of an air exhaust and filling device for a clutch hydraulic booster system of the present utility model;

[0044] Figure 6 This is a schematic structural diagram of Embodiment 4 of an air exhaust and filling device for a clutch hydraulic booster system of the present utility model;

[0045] Drawings

[0046] Among them are: fuel tank 1, electric oil pump 2, connecting pipeline 3, power supply connector 4, power cord 5, limit buckle 6, pressurizing pipeline 7, filling nozzle 8, filling handle 9, auxiliary handle 10, embedding groove 11, oil replenishing port 12, connecting insertion pipe 13, sealing ring 14, anti-slip pattern 15, anti-slip groove 16, sealing box 17, pressurizing air pump 18, fixing hoop 19 Detailed Description of the Preferred Embodiments Embodiment 1

[0047] An air exhaust and filling device for a clutch hydraulic booster system of the present utility model includes a fuel tank 1, an electric oil pump 2, a power supply, and an oil injection and exhaust pipeline.

[0048] It is characterized in that the electric oil pump 2 is arranged on the fuel tank 1, the oil inlet of the electric oil pump 2 is communicated with the fuel tank 1, one end of the oil injection and exhaust pipeline is connected to the electric oil pump 2 and is communicated therewith, the other end of the oil injection and exhaust pipeline is connected to the clutch slave cylinder and is communicated therewith, the power supply is connected to the electric oil pump 2 to provide power for the electric oil pump 2, and the electric oil pump 2 pumps out the hydraulic oil in the fuel tank 1, enters the clutch slave cylinder through the oil injection and exhaust pipeline, so that the hydraulic oil in the slave cylinder flows back into the liquid storage tank in the reverse direction, and the air in the slave cylinder is exhausted.

[0049] Preferably, the power connection part of the electric oil pump 2 is located outside the fuel tank 1, and the oil outlet of the electric oil pump 2 is located outside the fuel tank 1.

[0050] Preferably, the fuel tank 1 is a flat box. An embedded groove 11 is provided on the side of the fuel tank 1, and the electric oil pump 2 is installed in the embedded groove 11. A refueling port 12 is opened on the side of the fuel tank 1, and a detachable sealing cover is provided on the refueling port 12.

[0051] Preferably, the oil inlet of the electric oil pump 2 extends through a hose to the inner wall position of the side opposite to the embedded groove 11.

[0052] Preferably, the fuel tank 1 is made of plastic material, which is light in weight, has good chemical corrosion resistance, is not easily eroded by oil, and is not easily broken when impacted, reducing the risk of oil leakage caused by tank damage.

[0053] Preferably, the power supply includes two parts: a power connector 4 and a power cord 5. There are two power connectors 4, and the two power connectors 4 are respectively connected to the positive and negative poles of the vehicle battery. The power connector 4 is connected to the power connection part of the electric oil pump 2 through the power cord 5.

[0054] The fuel injection exhaust pipe is composed of a connecting pipe 3, a limit buckle 6, a pressurizing pipe 7, a filling nozzle 8, a filling handle 9, an auxiliary handle 10, a connecting insertion pipe 13 and a sealing ring 14.

[0055] One end of the connecting pipe 3 is hermetically connected to the oil outlet of the electric oil pump 2 and is in communication with the oil outlet of the electric oil pump 2. The other end of the connecting pipe 3 is connected to one end of the pressurizing pipe 7 and is in communication.

[0056] Preferably, the pressurizing pipe 7 is a transparent hose, and the pressurizing pipe 7 and the connecting pipe 3 are integrally formed.

[0057] The limit buckle 6 is placed on the side of the fuel tank 1.

[0058] Preferably, there are multiple limit buckles 6, and the multiple limit buckles 6 are arranged equidistantly along the side of the fuel tank 1. Part of the pressurizing pipe 7 is clamped on the limit buckle 6.

[0059] One end of the filling handle 9 is provided with a connecting insertion pipe 13, and the connecting insertion pipe 13 is in communication with the filling handle 9.

[0060] Preferably, the end of the connecting insertion pipe 13 away from the filling handle 9 is in a frustum structure.

[0061] A sealing ring 14 is sleeved on the connecting insertion pipe 13.

[0062] Preferably, there are multiple sealing rings 14, and the multiple sealing rings 14 are arranged at equal intervals along the axial direction of the connecting cannula 13. The inner ring surface of the sealing ring 14 is fixedly connected to the connecting cannula 13, and a rubber gasket is arranged on the outer ring surface of the sealing ring 14.

[0063] The connecting cannula 13 is inserted into the other end of the pressurizing pipeline 7.

[0064] The filling nozzle 8 is arranged at the other end of the filling handle 9 and is communicated with the filling handle 9.

[0065] Preferably, the filling nozzle 8 is vertically connected to the filling handle 9, and the connection part between the filling nozzle 8 and the filling handle 9 is an arc-shaped structure.

[0066] Preferably, the inner diameter of the filling nozzle 8 gradually decreases from the end connected to the filling handle 9 to the other end.

[0067] Preferably, a rubber pad is arranged on the inner wall of the filling nozzle 8.

[0068] The auxiliary handle 10 is vertically arranged at the other end of the filling handle 9.

[0069] Preferably, the cross-sectional diameter of the auxiliary handle 10 from the end connected to the filling handle 9 to the midpoint is smaller than the cross-sectional diameter from the midpoint to the other end.

[0070] Preferably, anti-slip vertical lines are formed on the side surface of the auxiliary handle 10.

[0071] During use, place the fuel tank 1 vertically with the electric oil pump 2 and the oil replenishing port 12 facing upward. Loosen the exhaust screw on the clutch slave cylinder, hold the filling handle 9 by hand and connect the filling nozzle 8 to the slave cylinder exhaust port. Connect the two power connectors 4 to the positive and negative electrodes of the vehicle battery respectively to supply power to the electric oil pump 2. The electric oil pump 2 pumps out the hydraulic oil in the fuel tank 1. The hydraulic oil enters the slave cylinder through the connecting pipeline 3, the pressurizing pipeline 7, the filling handle 9 and the filling nozzle 8, and reversely pushes the liquid from the slave cylinder exhaust port to expel the air in the clutch hydraulic system. Embodiment 2

[0072] The difference between this embodiment and Embodiment 1 is that anti-slip lines 15 are formed on the filling handle 9. The anti-slip lines 15 are composed of multiple intersecting oblique lines, and the density of the anti-slip lines 15 near the other end of the filling handle 9 is greater than that near the one end of the filling handle 9. During use, by increasing the friction force on the holding surface, the sliding of the handle during operation can be effectively prevented, ensuring the stability of the connection between the filling nozzle 8 and the slave cylinder exhaust port. Embodiment 3

[0073] The difference between this embodiment and the first embodiment is that: a plurality of anti-skid grooves 16 are provided on the side of the filling handle, and the plurality of anti-skid grooves 16 are arranged equidistantly along the circumference of the filling handle 9, and the groove width of the anti-skid grooves 16 gradually increases from the groove bottom to the groove mouth; when in use, by increasing the friction force of the gripping surface, the handle can be effectively prevented from sliding during operation, ensuring the stability of the connection between the filling nozzle 8 and the exhaust port of the slave pump, helping to disperse the hand pressure when gripping the handle, and reducing the hand fatigue caused by long-term gripping; Example 4

[0074] The difference between this embodiment and embodiment 1 is that the clutch hydraulic booster system exhaust-free filler includes a sealing box 17, a pressurized air pump 18 and a fixing hoop 19, the pressurized air pump 18 is placed on the sealing box 17 through the fixing hoop 19, the air outlet of the pressurized air pump 18 is sealed and connected to the sealing box 17, the air inlet of the pressurized air pump 18 is located outside the sealing box 17, and the air inlet is built with a filter, the sealing box 17 is provided with a hydraulic oil replenishment port, the pressurized air pump 18 is connected to the power connector 4 through the power cord 5, the sealing box 17 and the pressurized air pump 18 are connected to the power connector 4 through the power cord 5, and the sealing box 17 and the pressurized air pump 18 are connected to the power connector 4 through the power cord 5. The pipeline 7 is sealed and connected, and the connection position of the pressurized pipeline 7 and the sealing box 17 is opposite to the air outlet of the pressurized air pump 18; when in use, loosen the exhaust screw on the clutch slave pump, hold the filling handle 9 to connect the filling nozzle 8 and the exhaust port of the slave pump, connect the two power connectors 4 to the positive and negative poles of the car battery respectively, and power the pressurized air pump 18. The pressurized air pump 18 presses out the hydraulic oil in the sealing box 17, and the hydraulic oil enters the slave pump through the pressurized pipeline 7, the filling handle 9 and the filling nozzle 8, and reverses the liquid from the exhaust port of the slave pump to remove the air in the clutch hydraulic system;

[0075] The pressurized pipe 7 is a transparent hose. The pressurized pipe 7 and the connecting pipe 3 are integrally formed, which has good flexibility and is easy to adjust. It can adapt to the narrow and complex space layout in the vehicle, and it is easy to observe the flow of hydraulic oil, so that the air removal in the hydraulic system can be judged more accurately.

[0076] There are multiple limit buckles 6, which are arranged equidistantly along the side of the oil storage tank 1. The design of partially clamping the pressurized pipeline 7 on the limit buckle 6 can ensure that the pressurized pipeline 7 is stable and immovable at a fixed position, preventing displacement caused by vibration or impact of the electric oil pump 2 during operation and affecting the sealing of the connection. At the same time, it can limit the range of movement of the pressurized pipeline 7 and reduce the risk of damage caused by excessive bending or stretching. At the same time, multiple limit buckles 6 can disperse the pressure points on the pressurized pipeline 7, reduce the burden of a single buckle point, and improve the durability of the overall structure.

[0077] There are multiple sealing rings 14, and the multiple sealing rings 14 are arranged at equal intervals along the axial direction of the connecting cannula 13. The inner ring surface of the sealing ring 14 is fixedly connected to the connecting cannula 13. The design of having a rubber gasket on the outer ring surface of the sealing ring 14 can reduce the resistance when the connecting cannula 13 is inserted, and at the same time can effectively prevent hydraulic oil from leaking at the connection, avoiding the pollution inside the vehicle caused by the leakage of hydraulic oil during the process of oil injection and air exhaust;

[0078] The filling nozzle 8 and the filling handle 9 are vertically connected. The connection between the filling nozzle 8 and the filling handle 9 is designed with an arc-shaped structure, which helps to quickly identify and locate the filling point, can more conveniently dock with the exhaust port of the slave cylinder in the narrow interior space of the vehicle. At the same time, the arc-shaped design helps the hydraulic oil to flow smoothly into the filling nozzle 8, reducing the generation of flow resistance and eddy currents;

[0079] The inner diameter of the filling nozzle 8 gradually decreases from the end connected to the filling handle 9 to the other end. The design of having a rubber gasket on the inner wall of the filling nozzle 8 can better adapt to and closely fit the shape and size of the exhaust port of the slave cylinder, thereby providing a more effective sealing effect, preventing hydraulic oil from leaking, and can more quickly and effectively remove air from the hydraulic system, shortening the exhaust time;

[0080] The cross-sectional diameter of the auxiliary handle 10 from the end connected to the filling handle 9 to the midpoint is smaller than the cross-sectional diameter from the midpoint to the other end. The design of having anti-slip vertical stripes on the side of the auxiliary handle 10 provides another force application point. Cooperating with the filling handle 9, it enables maintenance personnel to adjust the holding angle during the oil injection and air exhaust process, reducing the fatigue of the hand and wrist, and making the exhaust process more stable;

[0081] It achieves the purpose of being able to inject hydraulic oil into the slave cylinder through the oil injection exhaust pipeline, making the hydraulic oil in the slave cylinder flow back into the liquid storage tank in the reverse direction, exhausting the air in the slave cylinder, having good sealing performance, and being convenient to use in the narrow interior space of the vehicle.

[0082] It should be noted that unless otherwise clearly specified and defined, the terms "placed", "connected", and "joined" should be understood in a broad sense. For example, it can be fixed connection methods such as hemmed connection, rivet connection, pin connection, bonding connection, and welding connection, or detachable connection methods such as threaded connection, snap connection, and hinge connection, or integral connection, or electrical connection, or directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0083] It should be further pointed out that when describing the above specific embodiments, for the sake of simplicity and clarity, only the differences from other embodiments are described. However, those skilled in the art should be aware that the above specific embodiments themselves are also independent technical solutions.

Claims

1. A clutch hydraulic booster system exhaust filling device, comprising an oil storage tank, an electric oil pump, a power supply and an oil injection exhaust pipe, characterized in that: The electric oil pump is arranged on the oil storage tank. The inlet of the electric oil pump is communicated with the oil storage tank. One end of the oil injection exhaust pipe is connected to and communicated with the electric oil pump. The other end of the oil injection exhaust pipe is connected to and communicated with the clutch slave cylinder. The power supply is connected to the electric oil pump to provide power for the electric oil pump. The electric oil pump pumps out the hydraulic oil in the oil storage tank, and the hydraulic oil enters the clutch slave cylinder through the oil injection exhaust pipe, so that the hydraulic oil in the slave cylinder flows back into the liquid storage tank in the reverse direction to expel the air in the slave cylinder.

2. The exhaust filling device for the clutch hydraulic booster system according to claim 1, characterized in that The power connection part of the electric oil pump is located outside the oil storage tank. The oil outlet of the electric oil pump is located outside the oil storage tank. The oil storage tank is a flat box. An embedding groove is arranged on the side of the oil storage tank, and the electric oil pump is arranged in the embedding groove. A supplementary oil port is opened on the side of the oil storage tank, and a detachable sealing cover is arranged on the supplementary oil port.

3. A clutch hydraulic assist system air exhaust filling device according to claim 1, characterized in that The power supply includes two parts: a power connector and a power cord. There are two power connectors. The power connectors are connected to the power connection part of the electric oil pump through the power cord. The oil injection exhaust pipe is composed of a communicating pipe, a limit buckle, a pressurizing pipe, a filling nozzle, a filling handle, an auxiliary handle, a connecting socket and a sealing ring. One end of the communicating pipe is hermetically connected to and communicated with the oil outlet of the electric oil pump. The other end of the communicating pipe is connected to and communicated with one end of the pressurizing pipe. The limit buckle is placed on the side of the oil storage tank. One end of the filling handle is provided with a connecting socket, and the connecting socket is communicated with the filling handle. A sealing ring is sleeved on the connecting socket. The connecting socket is inserted into the other end of the pressurizing pipe. The filling nozzle is placed at the other end of the filling handle and is communicated with the filling handle. The auxiliary handle is vertically placed at the other end of the filling handle.

4. A clutch hydraulic assist system air exhaust and filling device according to claim 3, characterized in that Anti-slip lines are opened on the filling handle. The anti-slip lines are composed of multiple intersecting inclined lines. The density of the anti-slip lines near the other end of the filling handle is greater than that near one end of the filling handle.

5. A clutch hydraulic assist system exhaust filling device according to claim 3, characterized in that Multiple anti-slip grooves are opened on the side of the filling handle. The multiple anti-slip grooves are arranged at equal intervals along the circumferential direction of the filling handle. The groove width of the anti-slip grooves gradually increases from the groove bottom to the groove opening.

6. A clutch hydraulic booster exhaust filling device according to claim 1, characterized in that The clutch hydraulic booster system exhaust-free filler includes a sealing box, a pressurizing air pump and a fixing hoop. The pressurizing air pump is placed on the sealing box through the fixing hoop. The air outlet of the pressurizing air pump is hermetically connected to and communicated with the sealing box. The air inlet of the pressurizing air pump is located outside the sealing box, and a filter screen is arranged in the air inlet. A hydraulic oil replenishment port is arranged on the sealing box. The pressurizing air pump is connected to the power connector through a power cord. The sealing box is hermetically connected to and communicated with the pressurizing pipe. The connection position between the pressurizing pipe and the sealing box is opposite to the air outlet of the pressurizing air pump.

7. A clutch hydraulic booster exhaust filling device according to claim 3, characterized in that The pressurizing pipe is a transparent flexible pipe. The pressurizing pipe and the communicating pipe are integrally formed. There are multiple limit buckles, and the multiple limit buckles are arranged at equal intervals along the side of the oil storage tank. Part of the pressurizing pipe is clamped on the limit buckles.

8. A clutch hydraulic assist system exhaust filling device according to claim 3, characterized in that One end of the connecting socket away from the filling handle is of a frustum structure. There are multiple sealing rings, and the multiple sealing rings are arranged at equal intervals along the axial direction of the connecting socket. The inner ring surface of the sealing ring is fixedly connected to the connecting socket, and a rubber gasket is arranged on the outer ring surface of the sealing ring.

9. A clutch hydraulic assist system exhaust filling device according to claim 3, characterized in that The filling nozzle and the filling handle are vertically connected, and the connection part between the filling nozzle and the filling handle is an arc-shaped structure; the inner diameter of the filling nozzle gradually decreases from the end connected to the filling handle to the other end, and a rubber pad is arranged on the inner wall of the filling nozzle.

10. A clutch hydraulic booster system exhaust filling device according to claim 3, characterized in that The cross-sectional diameter of the auxiliary handle from the end connected to the filling handle to the midpoint is smaller than the cross-sectional diameter from the midpoint to the other end, and anti-slip vertical stripes are provided on the side surface of the auxiliary handle.

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