CN113581156B - Pressure filling mounting structure and automobile braking system - Google Patents

Pressure filling mounting structure and automobile braking system Download PDF

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Publication number
CN113581156B
CN113581156B CN202111013521.7A CN202111013521A CN113581156B CN 113581156 B CN113581156 B CN 113581156B CN 202111013521 A CN202111013521 A CN 202111013521A CN 113581156 B CN113581156 B CN 113581156B
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Prior art keywords
valve
valve body
valve needle
brake fluid
pressure
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CN113581156A (en
Inventor
张结实
李钢
李红岗
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Chongqing Changan Automobile Co Ltd
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Chongqing Changan Automobile Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T17/00Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18Safety devices; Monitoring
    • B60T17/22Devices for monitoring or checking brake systems; Signal devices
    • B60T17/221Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems
    • B60T17/222Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems by filling or bleeding of hydraulic systems

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

The invention relates to a pressure filling installation structure and an automobile braking system. The pressure filling installation structure comprises a kettle cover, a valve body and a valve needle, wherein the kettle cover is sleeved on the valve body, the valve needle for controlling the opening and closing of the valve is arranged in a valve cavity of the valve body, and an elastic element is arranged between the valve body and the valve needle; the pot cover is covered on the brake fluid pot, the valve needle is pushed to open by pressure, liquid in the brake fluid pot moves into the pipeline to detect the tightness of the pipeline and/or discharge residual gas in the pipeline, the pressure is removed, and the elastic element pushes the valve needle to close. The invention also provides an automobile brake system which comprises the pressure filling installation structure. The invention solves the problem that the brake failure occurs in the running process of the vehicle due to the residual gas in the brake fluid pipeline of the braking system of the vehicle which is modified or maintained so as to influence the safe running of the vehicle.

Description

Pressure filling mounting structure and automobile braking system
Technical Field
The invention relates to the technical field of automobile refitting or maintenance, in particular to a pressure filling mounting structure and an automobile braking system.
Background
The braking system of an automobile is a very critical and important system for achieving safe operation and proper operation of the vehicle. In general, brake fluid is filled by adopting vacuum filling equipment in a production line, and pressure testing and filling are completed in a vacuum-pressure maintaining-filling mode.
As shown in fig. 1, to a schematic structural diagram of brake fluid filling in a production line, 01 is a vacuum filling device, and the filling process includes firstly connecting and sealing an interface of the vacuum filling device 01 with a brake fluid tank 02, starting to vacuumize the filling device, when a certain vacuum degree is reached, starting to maintain pressure and judge leakage amount of a brake system, performing filling operation when the system has no leakage, and in the filling process, brake fluid is injected into the brake fluid tank 02 through the interface of the vacuum filling device 01, flows into a brake control center 03 and a wheel brake 04, and is filled. When the production line is filled, the parts of the braking system are all newly assembled parts, and the pipelines in the whole system have no liquid, so that the vacuumizing and filling effects can be ensured.
However, for the modified and repaired vehicles, which are generally operated in a modification workshop or a repair shop, the brake system of these vehicles has a part of gas in the brake fluid pipeline, and therefore, after the modification or repair is completed, the whole brake system needs to be subjected to a pressure holding test and refilled with liquid. However, for retrofit plants and repair shops, on the one hand, expensive vacuum filling equipment is generally not equipped due to conditions; on the other hand, since a part of residual liquid exists in the brake system pipeline of the vehicle after modification or maintenance, it is difficult to evacuate all gas in the brake system pipeline even if a vacuum filling device is used. Therefore, residual gas exists in a pipeline of the braking system, and when the vehicle runs, the residual gas can cause the problems of brake failure and the like, and the driving safety of the vehicle is seriously influenced.
Disclosure of Invention
The invention aims to provide a pressure filling installation structure and an automobile brake system, which are used for solving the problem that the safety running of a vehicle is influenced due to the brake failure in the running process of the vehicle caused by residual gas existing in a brake liquid pipeline of the brake system of the modified or maintained vehicle, and can also be used for carrying out sealing test on the brake liquid pipeline of the modified or maintained vehicle.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a pressure filling mounting structure comprises a kettle cover, a valve body and a valve needle, wherein the kettle cover is sleeved on the valve body, the valve needle for controlling the valve to open and close is arranged in a valve cavity of the valve body, and an elastic element is arranged between the valve body and the valve needle;
the pot cover is covered on the brake fluid pot, the valve needle is pushed to open by pressure, liquid in the brake fluid pot moves into the pipeline to detect the tightness of the pipeline and/or discharge residual gas in the pipeline, the pressure is removed, and the elastic element pushes the valve needle to close.
Preferably, the lower extreme outside of valve body has cyclic annular arch, is equipped with the recess that holds sealed the pad on the cyclic annular arch, the pot lid is fixed with the valve body spiro union to realize sealed cooperation through sealed the pad.
Preferably, the upper end of the valve cavity is an inlet, the lower end of the valve cavity is an outlet, the inlet is connected with the tire pressure gauge, and the outlet is connected with a kettle opening of the brake fluid kettle.
Preferably, a sealing ring is further arranged between the valve body and the valve needle, and under the pushing of the elastic element, the sealing ring is tightly matched with an inner conical surface formed in the valve body, so that sealing is realized.
Preferably, the valve needle is provided with a circumferential groove, and the sealing ring is arranged in the circumferential groove.
Preferably, a tailstock is arranged between the valve body and the valve needle, a gas channel is formed between the tailstock and the valve needle, and the tailstock is rotatably connected with the valve cavity;
one end of the elastic element is abutted against the lower end face of the annular groove, and the other end of the elastic element is abutted against the upper end face of the tailstock.
Preferably, the tailstock is further provided with a ventilation notch, so that gas in the valve body flows through the gas channel and then enters the brake fluid pot from the ventilation notch.
Preferably, the lower end portion of the valve needle has a stopper protrusion.
Preferably, the elastic member is a coil spring.
The invention also provides an automobile brake system which comprises the pressure filling installation structure.
The invention has the beneficial effects that:
1) The pressure filling installation structure of the invention is characterized in that a pot cover on a brake fluid pot is refitted to be sleeved on a valve body, a valve needle for controlling opening and closing is arranged in a cavity of the valve body, the valve needle is pushed to open under the action of high-pressure gas, brake fluid in the brake fluid pot moves towards a pipeline to detect the sealing property of a brake fluid pipeline of a vehicle and/or residual gas in a discharge pipeline after modification or maintenance, the high-pressure gas is withdrawn, and an elastic element pushes the valve needle to close to keep sealing, so that the sealing property detection of the brake fluid pipeline is realized, and the residual gas in the brake fluid pipeline is discharged. The problem that the safety running of the vehicle is affected due to brake failure in the running process of the vehicle caused by residual gas existing in a brake liquid pipeline of a braking system of the vehicle which is modified or maintained is solved, and meanwhile, the sealing performance of the brake liquid pipeline is also detected;
2) The sealing ring is arranged between the valve body and the valve needle, and is tightly matched with the inner conical surface of the valve body under the pushing action of the elastic element, so that the sealing property of the valve body and the valve needle is further improved, and the sealing property in a braking system is further ensured;
3) The annular groove for installing the sealing ring is formed on the valve needle, so that the assembly stability of the sealing ring is ensured, and the sealing effect is prevented from being influenced by the relative movement of the sealing ring in the moving process of the valve needle;
4) The tailstock is arranged between the valve body and the valve needle, the upper end of the tailstock is in contact with the elastic element, and the tailstock upwards compresses the elastic element, so that the valve needle and the sealing ring form a certain pressing force on the inner conical surface of the valve cavity, the sealing performance between the sealing ring and the inner conical surface is further improved, and the tailstock has popularization and practical values in the technical field of automobile refitting or maintenance.
Drawings
FIG. 1 is a schematic diagram of a brake fluid filling structure of a conventional production line;
FIG. 2 is a schematic structural view of a pressure filling mounting structure of the present invention;
FIG. 3 is a schematic view of the assembly of the lid and the valve body;
FIG. 4 is a schematic structural view of a valve body;
FIG. 5 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a schematic view of the assembly of the valve body and the valve needle;
FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6;
FIG. 8 is a schematic view of the structure within the valve chamber of the valve body;
fig. 9 is a cross-sectional view taken along line C-C of fig. 8.
Wherein, 1, a pot cover; 2-valve body, 201-valve cavity, 202-annular bulge, 203-groove, 204-first external thread, 205-second external thread and 206-inner conical surface; 3-a valve needle, 301-an annular groove and 302-a limiting bulge; 4-a resilient element; 5-brake fluid pot; 6-a brake control unit; 7-wheel-side brakes; 8-a sealing gasket; 9-a fetal pressure gauge; 10-a sealing ring; 11-a tailstock; 12-a gas channel; 13-a vent gap; 14-nut.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure herein, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings and preferred embodiments. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be understood that the preferred embodiments are illustrative of the invention only and are not limiting upon the scope of the invention.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the type, amount and proportion of each component in actual implementation can be changed freely, and the layout of the components can be more complicated.
As shown in fig. 2 to 9, a pressure filling mounting structure includes a pot lid 1, a valve body 2 and a valve needle 3, wherein the pot lid 1 is sleeved on the valve body 2, the valve needle 3 for controlling the opening and closing of the valve is arranged in a valve cavity 201 of the valve body 2, and an elastic element 4 is arranged between the valve body 2 and the valve needle 3;
the pot cover 1 covers the brake fluid pot 5, the valve needle 3 is pushed to be opened through pressure, liquid in the brake fluid pot 5 moves into the pipeline to detect pipeline tightness and/or discharge residual gas in the pipeline, the pressure is removed, and the elastic element 4 pushes the valve needle 3 to be closed.
The pot cover on the brake fluid pot is modified to be sleeved on the valve body, the valve needle for controlling opening and closing is arranged in the cavity of the valve body, the valve needle is pushed to be opened under the action of high-pressure gas, brake fluid in the brake fluid pot moves into the pipeline, so that the sealing performance of the brake fluid pipeline of a vehicle after modification or maintenance and/or residual gas in the exhaust pipeline are detected, the high-pressure gas is withdrawn, the valve needle is pushed to be closed by the elastic element, sealing is kept, the sealing performance of the brake fluid pipeline is detected, the residual gas in the brake fluid pipeline is exhausted, meanwhile, when the high-pressure gas is withdrawn, the valve needle is pushed to be closed by the elastic element, the sealing performance is ensured, brake fluid backflow is avoided, air is sucked into the brake fluid pipeline again, and the operation of a brake system is affected. The problem of the current through the brake fluid pipeline of the braking system of vehicle of transformation or maintenance have residual gas, lead to the vehicle operation in-process, have the brake inefficacy to influence the safe travel of vehicle is solved, simultaneously, still detected the sealing performance of brake fluid pipeline.
In this embodiment, the tightness of the pipeline is detected, specifically, a layer of soapy water is coated on the outer surface of the brake fluid pipeline, or a liquid having a function similar to that of the soapy water, the valve needle is pushed to open under the action of the high-pressure gas, so that the brake fluid in the brake fluid kettle moves into the pipeline, whether the soapy water on the outer surface of the pipeline bubbles or not is observed, and the bubbling place where the soapy water bubbles is found proves that the leakage problem or the breakage problem exists, so that the leakage, breakage and position in the brake system pipeline can be detected quickly. And (3) discharging residual gas in the pipeline, specifically, adding a certain amount of brake fluid into a brake fluid pot, pushing a valve needle to open under the action of high-pressure gas, enabling the brake fluid to move into the pipeline, discharging the gas from a gas discharge valve on an edge brake 7 after the brake fluid passes through a brake control unit 6, so that the gas in the brake fluid pipeline can be completely discharged, and closing the gas discharge valve after the gas is completely discharged, so that pressure charging can be realized.
The lower extreme outside of valve body 2 has cyclic annular arch 202, is equipped with the recess 203 that holds sealed pad 8 on the cyclic annular arch 202, kettle lid 1 is fixed with the spiro union of valve body 2 to realize sealed cooperation through sealed pad 8.
In this embodiment, a through hole is formed in the pot lid 1, a second external thread 205 is formed in the valve body 2, a groove 203 is formed in the upper end of the annular protrusion 202 in a concave manner, a sealing gasket 8 is arranged in the groove 203, the upper end of the sealing gasket 8 is in sealing fit with the edge of the lower end of the through hole of the pot lid 1, the pot lid 1 and the valve body 2 are fixed in a sealing manner, a nut 14 is further arranged on the valve body 2, and the second external thread 205 of the valve body 2 is matched with the nut 14, so that the valve body 2 is further fastened on the pot lid 1.
The upper end of the valve cavity 201 is an inlet, the lower end is an outlet, the inlet is connected with the tire pressure gauge 9, and the outlet is connected with a pot opening of the brake fluid pot 5.
In this embodiment, high-pressure gas is input through the tire pressure gauge 9, the outer sidewall close to the inlet is provided with a first external thread 204, the locking mechanism on the interface of the tire pressure gauge 9 is clamped on the first external thread 204 of the outer sidewall, so that the thimble in the tire pressure gauge 9 is in contact with the top end of the valve needle, so as to push the valve needle to move downwards, input high-pressure gas into the brake fluid pot 5, and ensure the connection tightness. A certain amount of high-pressure gas is applied through the tire pressure gauge 9, the pressure change of the tire pressure gauge is observed, and whether the brake fluid pipeline has the air leakage condition or not can be judged through sound.
A sealing ring 10 is further arranged between the valve body 2 and the valve needle 3, and under the pushing of the elastic element 4, the sealing ring 10 is tightly matched with an inner conical surface 206 formed in the valve body 2, so that sealing is realized.
The sealing ring is arranged between the valve body and the valve needle, and under the pushing of the elastic element, the sealing ring is tightly matched with the inner conical surface of the valve body, so that the sealing performance of the valve body and the valve needle is further improved, and the sealing performance inside the braking system is further ensured.
In this embodiment, the valve cavity 201 has an inner tapered surface 206 formed at its center.
The valve needle 3 is provided with a circumferential groove 301, and the sealing ring 10 is installed in the circumferential groove 301.
The annular groove for installing the sealing ring is formed in the valve needle, so that the stability of the sealing ring assembly is guaranteed, and the phenomenon that the valve needle moves relatively in the moving process is avoided, so that the sealing effect is influenced.
A tailstock 11 is arranged between the valve body 2 and the valve needle 3, a gas channel 12 is formed between the valve body and the valve needle 3, and the tailstock is rotatably connected with the valve cavity 201;
one end of the elastic element 4 abuts against the lower end face of the circumferential groove 301, and the other end abuts against the upper end face of the tailstock 11.
The tailstock is arranged between the valve body and the valve needle, the upper end of the tailstock is in contact with the elastic element, and the elastic element is pressed upwards by the tailstock, so that the valve needle and the sealing ring form a certain pressing force on the inner conical surface of the valve cavity, and the sealing property between the sealing ring and the inner conical surface is further improved.
In this embodiment, the tailstock is in threaded connection with the valve cavity.
The tail seat 11 is also provided with a vent notch 13, so that the gas in the valve body 2 flows through the gas channel 12 and then enters the brake fluid pot 5 from the vent notch 13.
Through set up the breach of ventilating on the tailstock, guaranteed gas smooth through promptly, guaranteed the steadiness of tailstock assembly again.
In this embodiment, the tailstock is the counter bore structure, and the macropore is in the upper end, and macroporous internal diameter is less than the external diameter of elastic element lower extreme, and macroporous internal diameter is greater than the external diameter of needle for form gas passage between macropore and the needle, and be formed with the breach of ventilating on the macroporous lateral wall, make gaseous through ventilating the breach get into in the brake fluid kettle, and make things convenient for tailstock spiral shell to install in the valve chamber of valve body, the internal diameter of aperture slightly is greater than the external diameter of needle, the needle of being convenient for passes, and provides the guide effect for the needle.
The lower end of the valve needle 3 has a stopper projection 302.
Through setting up spacing arch for valve body and needle assemble into a whole, make things convenient for valve body and needle to assemble together on the pot lid.
The elastic element 4 is a coil spring.
In this embodiment, the outer diameter of the upper end of the coil spring is smaller than the outer diameter of the lower end of the coil spring, so that the coil spring is in an inverted spiral shape.
In this embodiment, the seal ring and the seal gasket are made of rubber.
In the embodiment, the pot cover is modified by removing the pressure valve and other accessories from the top of the pot cover and opening one
Figure BDA0003239138430000051
Round hole of (2), will roundThe two end faces of the hole are trimmed to be smooth, the sealing gasket on the valve body is convenient to seal, the upper end of the valve body penetrates out of the reformed kettle cover, the second thread of the valve body is screwed in by a nut and is matched with the second thread, and then the sealing gasket on the valve body is compressed to play a sealing role. Therefore, the pot cover can be refitted, and the refitting process is simple and convenient to operate and reliable in performance.
In the pressure filling installation structure in this embodiment, in the actual operation process, the tire pressure gauge is installed on the valve body, so that the inner thimble of the tire pressure gauge contacts with the top of the valve needle and pushes the valve needle to move downwards for a certain distance, so that the conical surface of the valve needle and the sealing ring are separated from the inner conical surface of the valve body, at this time, high-pressure gas is injected from the interface of the tire pressure gauge, enters the valve cavity through the gap between the inner conical surface of the valve body and the valve needle, and then enters the brake fluid pot through the ventilation notch on the tailstock, thereby realizing the operation of pressurizing the brake system. When certain pressure is reached in the braking system, the connection between the tire pressure gauge and the valve body is disconnected, the valve needle moves upwards under the action of the spring at the moment, the sealing ring and the inner conical surface of the valve body are compressed, the valve needle is in contact fit, the sealing and pressure maintaining effects are achieved, the lower end of the valve needle penetrates through the small hole of the counter bore of the tailstock, the guiding effect is achieved, the limiting protrusion of the lower end of the valve needle can be formed in the valve needle, the spring and the tailstock after being assembled, the connection integration effect is achieved, the integral installation is convenient, the lower end of the tailstock is provided with the ventilation notch, and the rest part is convenient to clamp and rotate and is installed on the internal thread of the valve cavity of the valve body.
The embodiment also provides an automobile brake system which comprises the pressure filling installation structure in the embodiment.
The invention provides a pressure filling installation structure and an automobile brake system, firstly, a pot cover on a brake fluid pot is modified to be sleeved on a valve body, a valve needle for controlling opening and closing is arranged in a cavity of the valve body, the valve needle is pushed to open under the action of high-pressure gas, brake fluid in the brake fluid pot moves towards a pipeline to detect the sealing property of a brake fluid pipeline of a vehicle after modification or maintenance and/or residual gas in a discharge pipeline, the high-pressure gas is withdrawn, an elastic element pushes the valve needle to close to maintain sealing, the sealing property detection of the brake fluid pipeline is realized, and the residual gas in the brake fluid pipeline is discharged. The problem that the safety running of the vehicle is affected due to brake failure in the running process of the vehicle caused by residual gas in a brake liquid pipeline of a braking system of the vehicle which is modified or maintained is solved, and meanwhile, the sealing performance of the brake liquid pipeline is also detected; secondly, the sealing ring is arranged between the valve body and the valve needle, and is tightly matched with the inner conical surface of the valve body under the pushing of the elastic element, so that the sealing performance of the valve body and the valve needle is further improved, and the sealing performance in a braking system is further ensured; thirdly, the annular groove for installing the sealing ring is formed on the valve needle, so that the assembly stability of the sealing ring is ensured, and the sealing effect is prevented from being influenced due to the relative movement of the sealing ring in the moving process of the valve needle; fourthly, the tailstock is arranged between the valve body and the valve needle, the upper end of the tailstock is in contact with the elastic element, the tailstock compresses the elastic element upwards, the valve needle and the sealing ring form certain pressing force on the inner conical surface of the valve cavity, the sealing performance between the sealing ring and the inner conical surface is further improved, and the tailstock has popularization and practical values in the technical field of automobile refitting or maintenance.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitutions or changes made by the person skilled in the art on the basis of the present invention are all within the protection scope of the present invention.

Claims (10)

1. The pressure filling mounting structure is characterized by comprising a kettle cover (1), a valve body (2) and a valve needle (3), wherein the kettle cover (1) is sleeved on the valve body (2), the valve needle (3) for controlling the valve to open and close is arranged in a valve cavity (201) of the valve body (2), and an elastic element (4) is arranged between the valve body (2) and the valve needle (3);
the pot cover (1) is covered on the brake fluid pot (5), the valve needle (3) is pushed to open by pressure, liquid in the brake fluid pot (5) moves into the pipeline to detect the pipeline tightness and/or discharge residual gas in the pipeline, the pressure is removed, and the elastic element (4) pushes the valve needle (3) to close;
a tailstock (11) is further arranged between the valve body (2) and the valve needle (3), a gas channel (12) is formed between the tailstock and the valve needle (3), and the tailstock is rotatably connected with the valve cavity (201);
the tailstock is of a counter bore structure, the large hole is formed in the upper end, the inner diameter of the large hole is smaller than the outer diameter of the lower end of the elastic element, the inner diameter of the large hole is larger than the outer diameter of the valve needle, a gas channel is formed between the large hole and the valve needle, a ventilation notch is formed in the side wall of the large hole, gas enters the brake fluid pot through the ventilation notch, and the inner diameter of the small hole is slightly larger than the outer diameter of the valve needle.
2. A pressure filling installation structure according to claim 1, wherein the valve body (2) is provided with an annular protrusion (202) at the outer side of the lower end, the annular protrusion (202) is provided with a groove (203) for accommodating the sealing gasket (8), and the kettle cover (1) is fixed with the valve body (2) in a threaded manner and is in sealing fit through the sealing gasket (8).
3. The pressure filling installation structure according to claim 1, wherein the valve cavity (201) has an inlet at the upper end and an outlet at the lower end, the inlet is connected with the tire pressure gauge (9), and the outlet is connected with the pot opening of the brake fluid pot (5).
4. A pressure filling arrangement according to claim 3, wherein a sealing ring (10) is arranged between the valve body (2) and the valve needle (3), and the sealing ring (10) is tightly fitted with an inner conical surface (206) formed in the valve body (2) under the urging of the elastic element (4) to achieve sealing.
5. A pressure filling arrangement according to claim 4, wherein the valve needle (3) has a circumferential groove (301), the sealing ring (10) being mounted in the circumferential groove (301).
6. Pressure filling installation structure according to claim 5, wherein one end of the elastic element (4) abuts against the lower end face of the circumferential groove (301) and the other end abuts against the upper end face of the tailstock (11).
7. A pressure filling installation structure according to claim 6, wherein the tailstock (11) is further provided with a vent notch (13), so that the gas in the valve body (2) flows through the gas channel (12) and then enters the brake fluid pot (5) from the vent notch (13).
8. A pressure filling mounting arrangement according to claim 6, wherein the lower end of the valve needle (3) has a stop protrusion (302).
9. A pressure filling mounting structure according to claim 1, wherein the resilient element (4) is a helical spring.
10. A vehicle brake system comprising a pressure charging installation as claimed in any one of claims 1 to 9.
CN202111013521.7A 2021-08-31 2021-08-31 Pressure filling mounting structure and automobile braking system Active CN113581156B (en)

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Application Number Priority Date Filing Date Title
CN202111013521.7A CN113581156B (en) 2021-08-31 2021-08-31 Pressure filling mounting structure and automobile braking system

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Application Number Priority Date Filing Date Title
CN202111013521.7A CN113581156B (en) 2021-08-31 2021-08-31 Pressure filling mounting structure and automobile braking system

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CN113581156B true CN113581156B (en) 2023-02-28

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201380847Y (en) * 2009-04-07 2010-01-13 武汉元丰汽车电控系统有限公司 Hydraulic execution unit of automobile electronic stability program
CN201559651U (en) * 2009-07-16 2010-08-25 上海东裕电动车有限公司 Hydraulic braking system
CN203078515U (en) * 2013-01-29 2013-07-24 北京汽车股份有限公司 Recovery and compensation device of brake fluid
CN204956470U (en) * 2015-08-10 2016-01-13 嘉善精展五金工具有限公司 Mend oilcan
CN207569096U (en) * 2017-11-23 2018-07-03 安徽江淮汽车集团股份有限公司 A kind of clutch slave cylinder exhaust apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201380847Y (en) * 2009-04-07 2010-01-13 武汉元丰汽车电控系统有限公司 Hydraulic execution unit of automobile electronic stability program
CN201559651U (en) * 2009-07-16 2010-08-25 上海东裕电动车有限公司 Hydraulic braking system
CN203078515U (en) * 2013-01-29 2013-07-24 北京汽车股份有限公司 Recovery and compensation device of brake fluid
CN204956470U (en) * 2015-08-10 2016-01-13 嘉善精展五金工具有限公司 Mend oilcan
CN207569096U (en) * 2017-11-23 2018-07-03 安徽江淮汽车集团股份有限公司 A kind of clutch slave cylinder exhaust apparatus

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