CN112959991A - Clutch and exhaust device of hydraulic braking system - Google Patents
Clutch and exhaust device of hydraulic braking system Download PDFInfo
- Publication number
- CN112959991A CN112959991A CN202110350640.5A CN202110350640A CN112959991A CN 112959991 A CN112959991 A CN 112959991A CN 202110350640 A CN202110350640 A CN 202110350640A CN 112959991 A CN112959991 A CN 112959991A
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- Prior art keywords
- oil storage
- storage tank
- air
- remote control
- clutch
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- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 22
- 230000000694 effects Effects 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 23
- 238000000034 method Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/06—Applications or arrangements of reservoirs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention relates to a clutch and hydraulic brake system exhaust device, which comprises an oil storage tank, an electric oil pump arranged in the oil storage tank, an oil storage tank filter cup arranged at the top of the oil storage tank in a penetrating way, and an electronic air valve and a pressure reducing valve which are sequentially arranged at the top of the oil storage tank. The air outlet of the electronic air valve extends into the oil storage tank, the air inlet is connected with the air outlet of the pressure reducing valve, and the air inlet of the pressure reducing valve is connected with the air source quick connector. And the electric oil pump is provided with a remote control receiver. The remote control receiver is connected with a remote control transmitter through a wireless signal. The oil storage tank filter bowl comprises a filter bowl and a bowl cover which is detachably arranged at the opening at the upper end of the filter bowl. The cup cover is provided with an air vent, a connecting shaft is installed at the bottom of the cup cover, and a rubber sealing gasket and a spring are sequentially sleeved on the connecting shaft. The invention can solve the defects in the prior art and has the characteristics of good exhaust effect, high exhaust efficiency, simple and convenient operation and the like.
Description
Technical Field
The invention relates to the technical field of hydraulic power-assisted clutches and hydraulic braking systems, in particular to a clutch and an exhaust device of a hydraulic braking system.
Background
When the vehicle is in use, when pipeline leakage occurs in the clutch and the hydraulic braking system or the brake fluid in the clutch and the hydraulic braking system needs to be replaced and maintained, the brake fluid in the pipeline of the clutch and the hydraulic braking system needs to be replaced and maintained, and then air is removed from the pipeline.
At present, the exhaust of the existing clutch and hydraulic brake system pipeline needs two persons to cooperate, one person repeatedly steps on a clutch pedal, the other person unscrews an exhaust bolt to deflate, and the steps are repeated until the gas in the clutch and hydraulic brake system pipeline is exhausted. This exhaust method has the following disadvantages: firstly, the exhaust effect is poor, secondly, exhaust efficiency is low, only need half an hour at least, can be with gas exhaust, waste time and hard.
Disclosure of Invention
The invention aims to provide an exhaust device of a clutch and a hydraulic brake system, which can overcome the defects in the prior art and has the characteristics of good exhaust effect, high exhaust efficiency, simplicity and convenience in operation and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
a clutch and hydraulic braking system exhaust device comprises an oil storage tank, an electric oil pump arranged in the oil storage tank, an oil storage tank filter cup arranged at the top of the oil storage tank in a penetrating way, and an electronic air valve and a pressure reducing valve which are sequentially arranged at the top of the oil storage tank; the air outlet of the electronic air valve extends into the oil storage tank, the air inlet is connected with the air outlet of the pressure reducing valve, and the air inlet of the pressure reducing valve is connected with the air source quick connector; the electric oil pump is provided with a remote control receiver; the remote control receiver is connected with a remote control transmitter through a wireless signal; the oil storage tank filter cup comprises a filter cup and a cup cover which is detachably arranged at an opening at the upper end of the filter cup; the cup cover is provided with an air vent, a connecting shaft is installed at the bottom of the cup cover, and a rubber sealing gasket and a spring are sequentially arranged on the connecting shaft. The spring is always in a compressed state and plays a role in compressing the rubber sealing gasket. The rubber sealing gasket is used for sealing the vent hole. Because if the rubber gasket is not provided, the compressed air coming from the electronic air valve leaks, so that the pressure brake fluid cannot be formed in the oil storage tank, and the oil cannot be discharged from the oil outlet pipe. If the air vent is not provided, the 'electric' mode is selected for exhausting air, the oil pump works to pump oil, vacuum is formed in the oil storage tank, and therefore brake fluid cannot be pumped out.
Furthermore, an internal thread is arranged on the cup cover, an external thread is arranged at the upper end of the filter cup, and the cup cover is in threaded connection with the filter cup.
Further, the rubber sealing gasket is positioned below the vent hole.
Furthermore, the lower extreme of connecting axle is equipped with the limiting plate, rubber packing pad and spring are located the top of limiting plate.
Furthermore, the remote control receiver and the electric oil pump are connected with the electronic air valve through leads.
Furthermore, an oil inlet of the electric oil pump is communicated with the inside of the oil storage tank, an oil outlet is connected with an oil outlet hose, and an oil outlet of the electric oil pump is provided with a one-way check valve.
Furthermore, the remote control receiver is connected with a 24V power supply through a power line, and a power line clamp is arranged on the power line.
Furthermore, a liquid level sensor and 2 No. 5 batteries are also arranged on a cup cover of the vehicle oil storage cup. The liquid level sensor is arranged on the oil storage cup cover of the vehicle. When the liquid level in the oil storage cup of the vehicle reaches a certain scale, the liquid level sensor sends a signal to the remote control receiver, and the remote control receiver is powered off to stop working. The liquid level sensor on the vehicle oil storage cup cover is in wireless connection with the remote control receiver, so that the liquid level sensor vehicle oil storage cup cover is provided with two No. 5 batteries and a transmitter. No. 5 battery is used for supplying power for the transmitter on the liquid level sensor vehicle oil storage cup cover.
According to the technical scheme, the exhaust device can solve the defects in the prior art, and has the following advantages: firstly, the exhaust efficiency is high, the exhaust effect is good, and exhaust can be completed by one person in two to three minutes; secondly, the operation is simple and easy to operate; three, there are two kinds of exhaust modes of automatic mode of the electronic and automatic mode of the atmospheric pressure, can choose the exhaust method freely according to the condition; fourthly, one-key automatic operation is carried out, the liquid level automatically stops after reaching the scale, and the exhaust screw is screwed down; fifthly, saving and avoiding waste.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of an oil storage tank;
fig. 3 is a schematic structural view of the oil storage cup cover of the vehicle.
Wherein:
1. the oil storage tank comprises an oil storage tank body, 2 parts of a filter cup, 3 parts of a cup cover, 4 parts of an electronic air valve, 5 parts of batteries, 5 parts of a pressure reducing valve, 7 parts of an air source quick connector, 8 parts of a remote control receiver, 9 parts of an electric oil pump, 10 parts of a 24V power line, 11 parts of an oil outlet hose, 12 parts of a power line clamp, 13 parts of an air vent, 14 parts of a rubber sealing gasket, 15 parts of a connecting shaft, 16 parts of a spring, 17 parts of a limiting plate, 18.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1, the exhaust device of a clutch and hydraulic brake system comprises an oil storage tank 1, an electric oil pump 9 installed in the oil storage tank 1, an oil storage tank filter cup installed at the top of the oil storage tank 1 in a penetrating manner, and an electronic air valve 4 and a pressure reducing valve 6 which are sequentially installed at the top of the oil storage tank 1; the air outlet of the electronic air valve 4 extends into the oil storage tank 1, the air inlet is connected with the air outlet of the pressure reducing valve 6, and the air inlet of the pressure reducing valve 6 is connected with the air source quick connector 7; the electric oil pump 9 is provided with a remote control receiver 8; the remote control receiver 8 is connected with a remote control transmitter and a transmitter 19 on the oil storage cup cover of the vehicle with a liquid level sensor 20 through wireless signals. When the air pressure exhaust mode is selected, the electronic air valve is electrified, the valve of the electronic air valve is opened, compressed air enters the oil storage tank, and brake fluid in the oil storage tank is output from the oil outlet hose under the action of pressure. The air source usually adopts the air pressure of a vehicle air storage cylinder and the air pressure of an air pump, but the air pressure of the vehicle air storage cylinder and the air pressure of the air pump are higher and usually reach 7-10kPa, and the air pressure of an oil storage tank and a hydraulic system is overhigh and damaged if a pressure reducing valve is not increased or reduced, so that the invention is additionally provided with a pressure reducing valve to keep the air pressure at 3-4 kPa. The remote control transmitter is used as a remote control to control the receiver, and plays a role in connecting or disconnecting the power supply of the electronic gas valve and the electric oil pump. And the remote control receiver is used for switching on and off a power supply and controlling the electronic gas valve and the electric oil pump to work. When the remote controller transmitter selects an air mode, after the discharge button is pressed, the remote controller receiver opens the electronic air valve, compressed air enters the oil storage tank, and brake fluid is discharged from the oil discharge hose under the action of compressed air. If the remote controller selects the electric mode, the remote control receiver turns on the electric oil pump after the discharge button is pressed, so that the brake fluid is discharged from the oil discharge hose.
As shown in fig. 2, the oil storage tank filter bowl comprises a filter bowl 2 and a bowl cover 3 which is detachably arranged at an opening at the upper end of the filter bowl 2; the cup cover 3 is provided with an air vent 13, the bottom of the cup cover 3 is provided with a connecting shaft 15, and the connecting shaft 15 is sequentially provided with a rubber sealing gasket 14 and a spring 16. The cup cover 3 is provided with an internal thread, the upper end of the filter cup 2 is provided with an external thread, and the cup cover 3 is in threaded connection with the filter cup 2. The rubber packing 14 is located below the vent hole 13. The lower end of the connecting shaft 15 is provided with a limiting plate 17, and the rubber sealing gasket 14 and the spring 16 are positioned above the limiting plate 17. The oil storage tank filter cup is used for filtering impurities when brake fluid is added. The design is convenient for taking out the filter bowl to clean impurities. When accessories are replaced, the brake fluid needs to be discharged and recycled, so that impurities exist in the brake fluid, and the detachable cup cover 3 is arranged to facilitate taking out the filter cup to clean the impurities. In addition, through set up spring 16 on bowl cover 3, can install back on filter bowl 2 at bowl cover 3, make bowl cover 3 and filter bowl 2 zonulae occludens, under the effect of rubber packing 14, can guarantee the sealed effect of bowl cover 3 and filter bowl 2 junction simultaneously. The design of the spring 16 and the rubber gasket 14 and the vent hole 13 can ensure the stability of the air pressure in the filter bowl 2.
Further, the remote control receiver and the electric oil pump 9 are connected with the electronic gas valve 4 through leads.
Further, an oil inlet of the electric oil pump 9 is communicated with the inside of the oil storage tank 1, an oil outlet is connected with an oil outlet hose 11, and an oil outlet of the electric oil pump 9 is provided with a one-way check valve 18. After the exhaust device of the invention exhausts, the oil outlet hose has no pressure, at this time, the brake fluid in the pipeline flows back, and the brake fluid can be prevented from flowing back by additionally arranging the one-way check valve.
Further, the remote control receiver is connected with a 24V power supply through a power line, and a power line clamp 12 is arranged on the power line.
Further, the remote control transmitter is installed on a cup cover of the vehicle oil storage cup, and a liquid level sensor 20, a transmitter 19 and 2 No. 5 batteries 5 are further installed on the cup cover of the vehicle oil storage cup. The level sensor 20 is mounted on the vehicle reservoir cover. When the liquid level in the oil cup reaches a certain level, the liquid level sensor 20 sends a signal to the remote control receiver, so that the remote control receiver is powered off to stop working. The liquid level sensor on the oil storage cup cover of the vehicle is in wireless connection with the remote control receiver. Two No. 5 batteries and a transmitter are arranged on the oil storage cup cover of the vehicle. The No. 5 battery is used for supplying power to the transmitter 19, and the transmitter 19 is used for sending information of the liquid level sensor 20 to the remote control receiver 8.
The traditional exhaust method needs two persons to cooperate with each other, one person continuously steps on a clutch pedal and a brake pedal in a cab, after the person steps on the clutch pedal and the brake pedal, the other person screws on an exhaust screw under a vehicle to deflate, then screws on the exhaust screw, then steps on the clutch pedal and the brake pedal, and then screws on the exhaust screw to deflate, and then screws on the exhaust screw, and the operation is circulated until air in a pipeline is exhausted completely. The traditional operation needs 2 persons to understand the operation, and is time-consuming, labor-consuming and inefficient. The exhaust device provided by the invention is operated by one person, firstly, a power supply or an air source is connected, a vehicle oil storage cup cover is unscrewed to be replaced by a vehicle oil storage cup cover with a liquid level sensor, the exhaust screw is unscrewed to insert the oil outlet hose into the exhaust screw, the exhaust is started when the remote controller is pressed to exhaust, the exhaust is automatically stopped when the height of the brake liquid level of the vehicle oil storage cup meets the requirement, and then the exhaust screw is screwed. In addition, the traditional exhaust method is to exhaust from top to bottom, sometimes sectional exhaust is needed, the upper end of the master pump is firstly exhausted and then the lower end of the master pump is exhausted, and 2 persons are required to be matched with each other for at least 30 minutes.
The invention has two exhaust modes of an electric mode and a pneumatic mode. In an electric mode, a power wire clamp is electrified to pour brake fluid into an oil storage tank (usually 2L), an oil outlet hose is inserted into an exhaust bolt, the exhaust bolt is unscrewed, a vehicle oil storage cup cover with a liquid level sensor is unscrewed, and an exhaust button of a remote controller is pressed, so that the exhaust device starts to exhaust. When the height of the brake fluid level of the vehicle oil storage cup reaches the standard scale, the exhaust is automatically stopped, and finally the exhaust bolt is screwed. Specifically, after the exhaust button of the remote controller is pressed, the remote control receiver energizes the electric oil pump, the electric oil pump starts pumping oil, and the brake fluid passes through the oil pump and then enters the exhaust bolt through the oil outlet hose. The brake fluid enters the exhaust bolt, then enters the branch pump and the main pump through the pipelines, and finally flows into the vehicle oil storage cup. When the brake fluid level in the oil storage cup reaches the standard scale, the liquid level sensor works, a signal is sent to the remote control receiver to enable the electric oil pump to be powered off to stop pumping oil, and the exhaust bolt is tightened to finish exhaust. The oil pump is at the oily in-process of pump, and the liquid level can be less and less in the oil storage tank, can form pressure differential in the jar with the jar outside, and at this moment oil storage tank lid air vent rubber packing pad can open automatically under the effect of pressure differential ventilates.
In the air pressure mode, an air source connector is connected with an air source (both a vehicle air storage cylinder and an air pump), brake fluid is poured into an oil storage tank (usually 2L), an oil outlet hose is inserted into an exhaust bolt, the exhaust bolt is unscrewed, a vehicle oil storage cup cover with a liquid level sensor is unscrewed, an exhaust button on a remote controller is pressed, the exhaust device starts to exhaust air, the exhaust air is automatically stopped when the height of the brake fluid level of the vehicle oil storage cup reaches a standard scale, and finally the exhaust bolt is screwed. Specifically, when an air source connector is connected with an air source, compressed air is decompressed by a pressure reducing valve and enters an electronic air valve, the electronic air valve is closed under the condition of no power supply, when an exhaust button of a remote controller is pressed, a remote control receiver supplies power to the electronic air valve, the electronic air valve is opened, the compressed air enters an oil storage tank, and under the action of the internal pressure of the oil storage tank, brake fluid passes through an oil pump and then enters an exhaust bolt through an oil outlet hose. Brake fluid enters the exhaust bolt, then enters the branch pump and the main pump through the pipeline, finally flows into the vehicle oil storage cup, when the brake fluid level in the vehicle oil storage cup reaches the standard scale, the liquid level sensor works, sends a signal to the remote control receiver to enable the electronic air valve to be powered off and stop air intake, so that the air pressure in the oil storage tank is reduced, the brake fluid also stops entering the pipeline, and the exhaust bolt is tightened to finish exhaust.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (9)
1. The utility model provides a clutch and hydraulic braking system exhaust apparatus which characterized in that: the device comprises an oil storage tank, an electric oil pump arranged in the oil storage tank, an oil storage tank filter cup arranged at the top of the oil storage tank in a penetrating way, and an electronic air valve and a pressure reducing valve which are sequentially arranged at the top of the oil storage tank; the air outlet of the electronic air valve extends into the oil storage tank, the air inlet is connected with the air outlet of the pressure reducing valve, and the air inlet of the pressure reducing valve is connected with the air source quick connector;
the electric oil pump is provided with a remote control receiver; the remote control receiver is connected with a remote control transmitter through a wireless signal;
the oil storage tank filter cup comprises a filter cup and a cup cover which is detachably arranged at an opening at the upper end of the filter cup; the cup cover is provided with an air vent, a connecting shaft is installed at the bottom of the cup cover, and a rubber sealing gasket and a spring are sequentially arranged on the connecting shaft.
2. A clutch and hydraulic brake system exhaust apparatus as set forth in claim 1, wherein: the cup cover is provided with internal threads, the upper end of the filter bowl is provided with external threads, and the cup cover is in threaded connection with the filter bowl.
3. A clutch and hydraulic brake system exhaust apparatus as set forth in claim 1, wherein: the rubber sealing gasket is positioned below the vent hole.
4. A clutch and hydraulic brake system exhaust apparatus as set forth in claim 1, wherein: the lower end of the connecting shaft is provided with a limiting plate, and the rubber sealing gasket and the spring are positioned above the limiting plate.
5. A clutch and hydraulic brake system exhaust apparatus as set forth in claim 1, wherein: the remote control receiver and the electric oil pump are connected with the electronic air valve through leads.
6. A clutch and hydraulic brake system exhaust apparatus as set forth in claim 1, wherein: an oil inlet of the electric oil pump is communicated with the interior of the oil storage tank, an oil outlet is connected with an oil outlet hose, and an oil outlet of the electric oil pump is provided with a one-way check valve.
7. A clutch and hydraulic brake system exhaust apparatus as set forth in claim 1, wherein: the remote control receiver is connected with a 24V power supply through a power line, and a power line clamp is arranged on the power line.
8. A clutch and hydraulic brake system exhaust apparatus as set forth in claim 1, wherein: the electronic gas valve is powered by the remote control receiver.
9. A clutch and hydraulic brake system exhaust apparatus as set forth in claim 1, wherein: the remote control transmitter is installed on a cup cover of the vehicle oil storage cup, and a liquid level sensor and two No. 5 batteries are further installed on the cup cover of the vehicle oil storage cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110350640.5A CN112959991A (en) | 2021-03-31 | 2021-03-31 | Clutch and exhaust device of hydraulic braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110350640.5A CN112959991A (en) | 2021-03-31 | 2021-03-31 | Clutch and exhaust device of hydraulic braking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112959991A true CN112959991A (en) | 2021-06-15 |
Family
ID=76280669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110350640.5A Pending CN112959991A (en) | 2021-03-31 | 2021-03-31 | Clutch and exhaust device of hydraulic braking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112959991A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030037670A (en) * | 2001-11-07 | 2003-05-14 | 한국델파이주식회사 | Cap of reservoir tank for power steerring |
| CN203715255U (en) * | 2014-01-27 | 2014-07-16 | 中国重汽集团成都王牌商用车有限公司 | Multi-power source brake fluid filling equipment |
| CN205381540U (en) * | 2015-12-05 | 2016-07-13 | 浙江亚太机电股份有限公司 | New models of machines level sensor takes stock solution cover assembly for automobile |
| CN206171446U (en) * | 2016-11-15 | 2017-05-17 | 江苏省赣榆中等专业学校 | Gassing specialized tool of hydraulic braking system |
| US20190135260A1 (en) * | 2017-11-03 | 2019-05-09 | Ryan Graves | Brake-bleeding device and related methods |
| CN209757084U (en) * | 2019-01-18 | 2019-12-10 | 天津市强龙汽车部件有限公司 | Oil storage cup assembly for automobile brake device |
| CN214450889U (en) * | 2021-03-31 | 2021-10-22 | 中国人民解放军陆军军事交通学院汽车士官学校 | Clutch and exhaust device of hydraulic braking system |
-
2021
- 2021-03-31 CN CN202110350640.5A patent/CN112959991A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030037670A (en) * | 2001-11-07 | 2003-05-14 | 한국델파이주식회사 | Cap of reservoir tank for power steerring |
| CN203715255U (en) * | 2014-01-27 | 2014-07-16 | 中国重汽集团成都王牌商用车有限公司 | Multi-power source brake fluid filling equipment |
| CN205381540U (en) * | 2015-12-05 | 2016-07-13 | 浙江亚太机电股份有限公司 | New models of machines level sensor takes stock solution cover assembly for automobile |
| CN206171446U (en) * | 2016-11-15 | 2017-05-17 | 江苏省赣榆中等专业学校 | Gassing specialized tool of hydraulic braking system |
| US20190135260A1 (en) * | 2017-11-03 | 2019-05-09 | Ryan Graves | Brake-bleeding device and related methods |
| CN209757084U (en) * | 2019-01-18 | 2019-12-10 | 天津市强龙汽车部件有限公司 | Oil storage cup assembly for automobile brake device |
| CN214450889U (en) * | 2021-03-31 | 2021-10-22 | 中国人民解放军陆军军事交通学院汽车士官学校 | Clutch and exhaust device of hydraulic braking system |
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