CN200951762Y - Dual cavity parallel type electromagnetic controlling secondary pressurizing automobile brake general pump - Google Patents
Dual cavity parallel type electromagnetic controlling secondary pressurizing automobile brake general pump Download PDFInfo
- Publication number
- CN200951762Y CN200951762Y CN 200620032608 CN200620032608U CN200951762Y CN 200951762 Y CN200951762 Y CN 200951762Y CN 200620032608 CN200620032608 CN 200620032608 CN 200620032608 U CN200620032608 U CN 200620032608U CN 200951762 Y CN200951762 Y CN 200951762Y
- Authority
- CN
- China
- Prior art keywords
- valve
- pump
- brake
- piston
- pump body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
A double-cavity-parallel electromagnetic-control automobile brake master pump for secondary pressurization comprises an upper pump and a lower pump; wherein the lower pump comprises two substantially identical portions; in the upper pump is arranged an upper piston assembly and a balance lever arranged on the lower part of the upper piston assembly; the two portions of the lower pump are respectively arranged on the lower part of the upper pump in parallel; and a brake valve assembly and a brake inlet and outlet hole are arranged in the two portions of the lower pump. The upper piston assembly comprises an upper piston and a sealing structure. The upper piston has a circular step on the edge of the upper surface, and the space between the inner surface of the step and the upper pump forms a pressurization air chamber, which is communicated with a pressurization air hole of the upper pump. The pressurization air hole is communicated with a brake outlet on the lower pump through a two-position three-way solenoid valve, which is connected with a control circuit. The utility model has two functions, namely strong braking and flexible braking, and is suitable for different road conditions and vehicle conditions. The utility model can ensure simultaneously braking of front and rear wheels, reduce accident, improve safety, and achieve marketization.
Description
One, technical field
The utility model relates to a kind of automobile brake general pump, particularly relates to a kind of double chamber parallel electromagnetic control secondary booster automobile brake general pump.
Two, background technology
Existing double chamber parallel automobile brake general pump generally all is that the compensating bar that top links to each other with brake pedal is depressed front and back brake valve door assembly simultaneously, brake when realizing to front and back wheel, and this brake modes has its shortcoming.
The one, because existing master cylinder is connected with the pipeline of its front and back wheel apart from different, just cause two valves in the master cylinder to open simultaneously, but near the brake execution unit speed of response the wheel is different, the brake earlier of general front-wheel, brake behind the trailing wheel, can cause a serious accident when serious.
The 2nd because the function ratio of existing master cylinder is more single, depress brake pedal after, master cylinder has only a kind of reaction, the performance to brake has different requirements but actual conditions are automobiles under different load-carryings, different road conditions; When loaded vehicle, just need braking force big, when zero load, just need braking force a little bit smaller.
Chinese patent 99208974 proposes a kind of brake valve of car, and a kind of brake valve of car of Chinese patent 200420061352 propositions, all be that the unlatching of valve is adjusted, improved braking force to a certain extent, improved braking effect, but fundamentally do not overcome the above problems.
Three, utility model content
For solving above problems of the prior art, I propose a kind of double chamber parallel electromagnetic control secondary booster automobile brake general pump to improving at the double chamber parallel automobile brake general pump.
The technical solution of the utility model is: a kind of double chamber parallel electromagnetic control secondary booster automobile brake general pump, contain upper pump casing, lower pump body, its lower pump body comprises essentially identical two parts, the upper piston assembly is arranged in upper pump casing, and the compensating bar that is installed in upper piston assembly bottom, two parts of lower pump body are installed in the bottom of upper pump casing side by side, are equipped with brake valve door assembly and brake air inlet/outlet in two lower pump bodies; Described upper piston assembly bottom is pressed in the middle part of compensating bar; Described compensating bar two ends are pressed in the top of two brake valve door assemblies respectively; Described upper piston assembly contains upper piston, hermetically-sealed construction, the top surface edge of upper piston is the step of annular arrangement, form the supercharging air chamber between this step in-to-in surface and the upper pump casing, this supercharging air chamber is communicated with the supercharging pore of upper pump casing, this supercharging pore is communicated with brake air gate on the lower pump body by two-position three way magnetic valve, and electromagnetic valve connects control circuit; The piston cylinder inner surface at the outer surface of upper piston and upper pump casing middle part is the bearing fit face, and is provided with hermetically-sealed construction.
Upper piston lower end in the described upper piston assembly is pressed in the slightly inclined to one side position, positive middle part of compensating bar by steel ball, and this position is a pressure point; Be communicated with back brake execution unit apart from the air gate on the near lower pump body of pressure point, the air gate of another lower pump body is communicated with the Front brake execution unit.
Brake valve door assembly in the described lower pump body contains lower piston, and the valve that is installed in the lower piston bottom; Described lower piston top is pressed with the end of described compensating bar; The outer surface of lower piston and the inner surface of lower pump body are the bearing fit face, and are provided with hermetically-sealed construction; Be provided with retracing spring between the interior table top of the lower surface of lower piston and lower pump body, and form the voltage stabilizing air chamber, this voltage stabilizing air chamber is communicated with the brake air gate by the slit between lower piston lower guide rod outer surface and the lower pump body inside face; The coaxial installation of described valve and lower piston, the valve sidepiece is the brake induction opening of lower pump body, the upper surface of valve is provided with packing element, the top of valve is provided with step, the valve bottom is provided with plug, and for being threaded, the lower part of valve inserts in this plug between this plug and the lower pump body, the outer surface of valve and the inner surface of plug are the bearing fit face, are provided with hermetically-sealed construction at fitting surface; Be provided with retracing spring between the upper step lower surface of valve and the upper surface of plug; This retracing spring supports the valve upper surface makes itself and the inner cone-shaped ring convex edge of mating of lower pump body form valve.
Described upper piston assembly top, upper pump casing top are provided with the depression bar assembly, and this depression bar assembly contains two parts up and down, flexibly connect by bearing pin and axle sleeve between two parts up and down, are provided with spring between two parts up and down; The lower member of this depression bar assembly is pressed in the middle part of upper piston upper surface by steel ball.
Be provided with footstock between the end of described lower piston top and compensating bar, the upper end of footstock and lower piston is by being threaded.
The end of described compensating bar is pressed in footstock top by the needle-like push rod that is fixed on the end.
The bottom of described upper pump casing top and plug is provided with dust proof member.
Supercharging pore on the described upper pump casing is four, is symmetrically arranged on the upper pump casing; Be equipped with two orthogonal brake air gates on same horizontal surface on each lower pump body, two orthogonal brake induction openings on same horizontal surface.
The beneficial effects of the utility model:
1, can adapt to different road conditions and vehicle condition
Owing to adopt secondary booster that the air pressure of brake air gate is guided to the supercharging air chamber at upper piston place again through two-position three way magnetic valve, can increase braking force, special and be suitable for use when bad of heavy duty and road conditions, can heavy braking; Can allow two-position three way magnetic valve close this boost-up circuit when automobile is unloaded, then this master cylinder can softly be braked, and is unlikely to too urgent, too quickly in the zero load brake.
2, can guarantee that front and back wheel brakes simultaneously, the minimizing accident improves safety
Because the upper piston lower end in this master cylinder upper piston assembly is pressed in the slightly inclined to one side position, positive middle part of compensating bar by steel ball, this position is a pressure point; Be communicated with back brake execution unit apart from the air gate on the near lower pump body of pressure point, the air gate of another lower pump body is communicated with the Front brake execution unit; Like this will be after upper piston be depressed, the valve action earlier that connects back brake execution unit that the nearly pressure point of distance is near, apart from moving behind the pressure point valve that connects the Front brake execution unit far away, form a time difference, this time difference just offsets with the time difference of causing owing to front and back brake line length is different, thereby realizes synchronous brake.
Four, description of drawings
Fig. 1 is the structural representation of facing of double chamber parallel electromagnetic control secondary booster automobile brake general pump
Fig. 2 is its left TV structure scheme drawing
Fig. 3 is its plan structure scheme drawing
Fig. 4 is its pneumatic line catenation principle scheme drawing
Five, the specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4,1-depression bar assembly upper-part among the figure, the last dust proof member of 2-, the 3-spring, 4-depression bar assembly lower member, 5-upper piston, 6-supercharging air chamber, 7-upper pump casing, 8-compensating bar, 9-footstock, 10-lower pump body, the 11-air gate that brakes, the 12-induction opening that brakes, 13-plug, dust proof member under the 14-, the 15-seal ring, 16-retracing spring, 17-valve, 18-lower piston bottom guide rod, 19-retracing spring, 20-seal ring, the 21-lower piston, 22-push rod, 23-supercharging pore, the 24-seal ring, 27-voltage stabilizing air chamber
Double chamber parallel electromagnetic control secondary booster automobile brake general pump among the figure, contain upper pump casing 7, lower pump body 10, its lower pump body 10 comprises essentially identical two parts, upper piston 5 assemblies are arranged in upper pump casing 7, and the compensating bar 8 that is installed in upper piston 5 assembly bottoms, two parts of lower pump body 10 are installed in the bottom of upper pump casing 7 side by side, are equipped with brake valve door assembly and brake air inlet/ outlet 11,12 in two lower pump bodies 10;
Described upper piston 5 assembly bottoms are pressed in the middle part of compensating bar 8; Described compensating bar 8 two ends are pressed in the top of two brake valve door assemblies respectively;
Described upper piston 5 assemblies contain upper piston 5, hermetically-sealed construction, the top surface edge of upper piston 5 is the step of annular arrangement, form supercharging air chamber 6 between this step in-to-in surface and the upper pump casing, this supercharging air chamber 6 is communicated with the supercharging pore 23 of upper pump casing 7, this supercharging pore 23 is communicated with brake air gate 11 on the lower pump body 10 by two-position three way magnetic valve, and electromagnetic valve connects control circuit; The piston cylinder inner surface at the outer surface of upper piston 5 and upper pump casing 7 middle parts is the bearing fit face, and is provided with seal ring 24.
Brake valve door assembly in the described lower pump body contains lower piston 21, and the valve 17 that is installed in lower piston 21 bottoms;
Described lower piston 21 tops are pressed with the end of described compensating bar 8; The inner surface of the outer surface of lower piston 21 and lower pump body 10 is the bearing fit face, and is provided with seal ring 20; Be provided with retracing spring 19 between the interior table top of the lower surface of lower piston 21 and lower pump body 10, and form voltage stabilizing air chamber 27, this voltage stabilizing air chamber 27 is communicated with brake air gate 11 by the slit between lower piston 21 bottom guide rods, 18 outside faces and lower pump body 10 inside faces;
Described valve 17 and lower piston 21 coaxial installations, valve 17 sidepieces are the brake induction opening 12 of lower pump body 10, the upper surface of valve 17 is provided with packing element, the top of valve 17 is provided with step, valve 17 bottoms are provided with plug 13, and for being threaded, the lower part of valve 17 inserts in this plug 13 between this plug 13 and the lower pump body 10, the inner surface of the outer surface of valve 17 and plug 13 is the bearing fit face, is provided with seal ring 15 at fitting surface; Be provided with retracing spring 16 between the upper step lower surface of valve 17 and the upper surface of plug 13; This retracing spring 16 supports valve 17 upper surfaces makes itself and lower pump body 10 inner cone-shaped ring convex edges of mating form valve.
Described upper piston 5 assembly tops, upper pump casing 7 tops are provided with the depression bar assembly, and this depression bar assembly contains two parts 1,4 up and down, flexibly connect by bearing pin and axle sleeve between two parts 1,4 up and down, are provided with spring 3 up and down between two parts; The lower member 4 of this depression bar assembly is pressed in the middle part of upper piston 5 upper surfaces by steel ball.
Be provided with footstock 8 between the end of described lower piston 21 tops and compensating bar 8, the upper end of footstock 9 and lower piston 21 is by being threaded.
The end of described compensating bar 8 is pressed in footstock 9 tops by the needle-like push rod 22 that is fixed on the end.
The bottom of described upper pump casing 7 tops and plug 10 is provided with dust proof member 2,14.
Its job order is: when the needs heavy braking, can open two-position three way magnetic valve, allow the supercharging air chamber be communicated with the brake air gate, when chaufeur is stepped on brake pedal, upper piston moves downward and causes compensating bar to move downward, it is moving downwards to allow simultaneously lower piston promote valve again, opened valve, this moment, gas entered the supercharging air chamber through two-position three way magnetic valve, gave the upper piston reinforcing, thereby improved braking force, be used for heavy duty or road conditions mostly when bad.
When the needs flexible braking, close two-position three way magnetic valve, do not get final product to the upper piston secondary booster.
Under above two kinds of situations, following processes is simultaneous:
Because the upper piston lower end in this master cylinder upper piston assembly is pressed in the slightly inclined to one side position, positive middle part of compensating bar by steel ball, this position is a pressure point; Be communicated with back brake execution unit apart from the air gate on the near lower pump body of pressure point, the air gate of another lower pump body is communicated with the Front brake execution unit; Like this will be after upper piston be depressed, the valve action earlier that connects back brake execution unit that the nearly pressure point of distance is near, apart from moving behind the pressure point valve that connects the Front brake execution unit far away, form a time difference, this time difference just offsets with the time difference of causing owing to front and back brake line length is different, thereby realizes synchronous brake.
This utility model can be used for all Automobile air stops, and is particularly suitable for a long east wind and part farm vehicle.
Claims (8)
1, a kind of double chamber parallel electromagnetic control secondary booster automobile brake general pump, contain upper pump casing, lower pump body, its lower pump body comprises essentially identical two parts, the upper piston assembly is arranged in upper pump casing, and the compensating bar that is installed in upper piston assembly bottom, two parts of lower pump body are installed in the bottom of upper pump casing side by side, are equipped with brake valve door assembly and brake air inlet/outlet in two lower pump bodies; Described upper piston assembly bottom is pressed in the middle part of compensating bar; Described compensating bar two ends are pressed in the top of two brake valve door assemblies respectively; It is characterized in that: described upper piston assembly contains upper piston, hermetically-sealed construction, the top surface edge of upper piston is the step of annular arrangement, form the supercharging air chamber between this step in-to-in surface and the upper pump casing, this supercharging air chamber is communicated with the supercharging pore of upper pump casing, this supercharging pore is communicated with brake air gate on the lower pump body by two-position three way magnetic valve, and electromagnetic valve connects control circuit; The piston cylinder inner surface at the outer surface of upper piston and upper pump casing middle part is the bearing fit face, and is provided with hermetically-sealed construction.
2, double chamber parallel electromagnetic control secondary booster automobile brake general pump according to claim 1 is characterized in that: the upper piston lower end in the described upper piston assembly is pressed in the slightly inclined to one side position, positive middle part of compensating bar by steel ball, and this position is a pressure point; Be communicated with back brake execution unit apart from the air gate on the near lower pump body of pressure point, the air gate of another lower pump body is communicated with the Front brake execution unit.
3, double chamber parallel electromagnetic control secondary booster automobile brake general pump according to claim 1 is characterized in that: the brake valve door assembly in the described lower pump body contains lower piston, and the valve that is installed in the lower piston bottom; Described lower piston top is pressed with the end of described compensating bar; The outer surface of lower piston and the inner surface of lower pump body are the bearing fit face, and are provided with hermetically-sealed construction; Be provided with retracing spring between the interior table top of the lower surface of lower piston and lower pump body, and form the voltage stabilizing air chamber, this voltage stabilizing air chamber is communicated with the brake air gate by the slit between lower piston lower guide rod outer surface and the lower pump body inside face; The coaxial installation of described valve and lower piston, the valve sidepiece is the brake induction opening of lower pump body, the upper surface of valve is provided with packing element, the top of valve is provided with step, the valve bottom is provided with plug, and for being threaded, the lower part of valve inserts in this plug between this plug and the lower pump body, the outer surface of valve and the inner surface of plug are the bearing fit face, are provided with hermetically-sealed construction at fitting surface; Be provided with retracing spring between the upper step lower surface of valve and the upper surface of plug; This retracing spring supports the valve upper surface makes itself and the inner cone-shaped ring convex edge of mating of lower pump body form valve.
4, double chamber parallel electromagnetic control secondary booster automobile brake general pump according to claim 1, it is characterized in that: described upper piston assembly top, upper pump casing top are provided with the depression bar assembly, this depression bar assembly contains two parts up and down, flexibly connect by bearing pin and axle sleeve between two parts up and down, be provided with spring between two parts up and down; The lower member of this depression bar assembly is pressed in the middle part of upper piston upper surface by steel ball.
5, double chamber parallel electromagnetic control secondary booster automobile brake general pump according to claim 3 is characterized in that: be provided with footstock between the end of described lower piston top and compensating bar, the upper end of footstock and lower piston is by being threaded.
6, double chamber parallel electromagnetic control secondary booster automobile brake general pump according to claim 5 is characterized in that: the end of described compensating bar is pressed in footstock top by the needle-like push rod that is fixed on the end.
7, according to the described double chamber parallel electromagnetic control secondary booster automobile brake general pump of the arbitrary claim of claim 1-6, it is characterized in that: the bottom of described upper pump casing top and plug is provided with dust proof member.
8, according to the described double chamber parallel electromagnetic control secondary booster automobile brake general pump of the arbitrary claim of claim 1-6, it is characterized in that: the supercharging pore on the described upper pump casing is four, is symmetrically arranged on the upper pump casing; Be equipped with two orthogonal air gates on same horizontal surface on each lower pump body, two orthogonal induction openings on same horizontal surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620032608 CN200951762Y (en) | 2006-09-22 | 2006-09-22 | Dual cavity parallel type electromagnetic controlling secondary pressurizing automobile brake general pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620032608 CN200951762Y (en) | 2006-09-22 | 2006-09-22 | Dual cavity parallel type electromagnetic controlling secondary pressurizing automobile brake general pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200951762Y true CN200951762Y (en) | 2007-09-26 |
Family
ID=38810059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620032608 Expired - Lifetime CN200951762Y (en) | 2006-09-22 | 2006-09-22 | Dual cavity parallel type electromagnetic controlling secondary pressurizing automobile brake general pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200951762Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862562A (en) * | 2012-09-18 | 2013-01-09 | 河南昌通科技有限公司 | Anti-failure brake master valve |
| CN103112446A (en) * | 2013-02-02 | 2013-05-22 | 徐志伟 | Braking brake pump |
| CN103241230A (en) * | 2013-05-14 | 2013-08-14 | 吉林大学 | Parallel-central-valve type automobile brake master cylinder |
| CN108082164A (en) * | 2018-01-19 | 2018-05-29 | 南京超靖界智能科技有限公司 | A kind of air-cylinder type aerobraking executive device and automobile |
-
2006
- 2006-09-22 CN CN 200620032608 patent/CN200951762Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862562A (en) * | 2012-09-18 | 2013-01-09 | 河南昌通科技有限公司 | Anti-failure brake master valve |
| CN102862562B (en) * | 2012-09-18 | 2014-12-10 | 昌通科技有限公司 | Anti-failure brake master valve |
| CN103112446A (en) * | 2013-02-02 | 2013-05-22 | 徐志伟 | Braking brake pump |
| CN103112446B (en) * | 2013-02-02 | 2015-12-09 | 徐志伟 | Drag pump |
| CN103241230A (en) * | 2013-05-14 | 2013-08-14 | 吉林大学 | Parallel-central-valve type automobile brake master cylinder |
| CN103241230B (en) * | 2013-05-14 | 2015-04-08 | 吉林大学 | Parallel-central-valve type automobile brake master cylinder |
| CN108082164A (en) * | 2018-01-19 | 2018-05-29 | 南京超靖界智能科技有限公司 | A kind of air-cylinder type aerobraking executive device and automobile |
| CN108082164B (en) * | 2018-01-19 | 2023-10-27 | 南京超靖界智能科技有限公司 | Cylinder type pneumatic brake actuating device and car |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201208960Y (en) | Excuting machanism for vehicle electrohydraulic line controlled braking system | |
| CN200951762Y (en) | Dual cavity parallel type electromagnetic controlling secondary pressurizing automobile brake general pump | |
| CN111267814A (en) | Braking and suspension integrated anti-pitching structure and control method | |
| CN109305151B (en) | Redundant EPB auxiliary control's drive-by-wire hydraulic braking system | |
| CN1944129A (en) | Double chamber parallel electromagnetic control secondary booster automobile brake general pump | |
| CN203460856U (en) | Braking system with failure backup function and pressure controllable piston cylinders serving as power source | |
| CN101028815A (en) | Two-stage electromagnetic booster braking general pump of three-inlet and multi-exit | |
| CN2818263Y (en) | Electrically-controlled double-pipeline brake valve of trailer | |
| CN101028814A (en) | Three-inlet and multi-exit two-stage electromagnetic booster braking general pump | |
| CN201980220U (en) | Electronic control type vacuum booster with emergency braking function | |
| CN2763145Y (en) | Hydraulic actuator mechanism for automoboile electronic stable control system | |
| CN200960917Y (en) | Single-inlet multi-outlet type two-stage electromagnetic pressurization braking general pump | |
| CN101058308A (en) | Hydraulic pressure execution device for automobile electron stabilization control system | |
| CN101397007A (en) | Auxiliary braking device with electric control function | |
| CN2468851Y (en) | Air pressure disc type brake of automobile | |
| CN200939876Y (en) | Assembly of automobile load-sensing valve | |
| CN201424014Y (en) | ABS four-channel pressure regulator body | |
| CN102358276A (en) | Integrated antilock brake system (ABS) regulator, vehicle air brake system and vehicle | |
| CN101633353B (en) | ABS seat body | |
| CN201961946U (en) | Permanent magnet synchronous motor direct drive and brake control device for escalator | |
| CN2379363Y (en) | Four-channel pressure regulator for anti-blocking-system of vehicle | |
| CN2642609Y (en) | Air-pressure brake valve with rotary angle sensor | |
| CN2393128Y (en) | One-path pressure regulator for anti-blocked system of hydraulic braking of vehicles | |
| CN2368762Y (en) | Three channel pressure regulator for hydraulic brake antilocking system of vehicle | |
| CN110962820B (en) | Method for reducing brake fluid consumption of ABS (Acrylonitrile butadiene styrene) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20060922 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |