CN201872744U - Hydraulic control type automobile auxiliary brake apparatus - Google Patents
Hydraulic control type automobile auxiliary brake apparatus Download PDFInfo
- Publication number
- CN201872744U CN201872744U CN2010205932654U CN201020593265U CN201872744U CN 201872744 U CN201872744 U CN 201872744U CN 2010205932654 U CN2010205932654 U CN 2010205932654U CN 201020593265 U CN201020593265 U CN 201020593265U CN 201872744 U CN201872744 U CN 201872744U
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- Prior art keywords
- brake
- check valve
- auxiliary brake
- cylinder
- automobile
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Abstract
The utility model discloses a hydraulic control type automobile auxiliary brake apparatus, which is characterized in that a set of brake apparatus connected in parallel with an original automobile brake apparatus is additionally arranged in an original double-loop hydraulic control type traveling brake system of the automobile. The hydraulic control type automobile auxiliary brake apparatus comprises an auxiliary brake main cylinder (9), an auxiliary brake vacuum booster (10), an auxiliary brake pedal (11), a three-way joint (12), bi-pass check valves (13, 14, 15, 16), an auxiliary brake vacuum air tube, an auxiliary brake hydraulic pipeline and the like. Compared with the traditional mechanical control type auxiliary brake technology, the hydraulic control type automobile auxiliary brake apparatus has the characteristics that motion interference can not occur in a main brake apparatus and the auxiliary brake apparatus, the operation is flexible, the construction in the automobile is simple, and the like. In addition, the operability and safety reliability are obviously improved, the braking force, braking force balance and braking coordination time are all consistent with those of the original automobile main brake system, and the braking distance, the average deceleration and braking stability are the same with those of the original automobile main brake system.
Description
Technical field
The utility model relates to hydraulic controlling type brake system of car field, specifically is the secondary brake equipment of a kind of hydraulic controlling type automobile.
Background technology
The running braking is the most important safe-guard system of automobile.Especially for the instructional car of driver training, need the brake control device (secondary brake equipment) that is used for the emergent use of trainer is installed, other vehicles also can install secondary brake equipment additional as required.The secondary brake equipment of automobile employing at present mostly is mechanically controlled type, be that secondary brake pedal links to each other with service brake pedal by rod member, flexible axle or backguy, trainer (or copilot seat personnel) handles secondary brake pedal, is to carry out work through mechanical connection mechanism controls service brake pedal.May produce movement interference and elastic deformation during this type of arrangement works, make operation hysteresis and dumb; Driver's operation there is interference; Influence in the car succinct; In addition, many vehicles make mechanical connecting structure be difficult to arrange and install because major-minor has projection to separate between driving.
The utility model content
The technical problems to be solved in the utility model provides the secondary brake equipment of a kind of hydraulic controlling type automobile, and is when having improved the safety, reliability of the secondary brake equipment of automobile and operability, comparatively succinct in the operator's compartment.
The technical solution of the utility model is:
The secondary brake equipment of hydraulic controlling type automobile is made up of secondary master brake cylinder, secondary vacuum booster, secondary brake pedal, T-pipe joint, bilateral check valve, secondary brake vacuum tracheae and secondary brake hydraulic line;
The engine air inlet tube of a, hydraulic controlling type brake system of car or vacuum pump are communicated with secondary vacuum booster, on the secondary vacuum booster secondary brake pedal is installed, secondary vacuum booster is connected with secondary master brake cylinder, and two front-wheel brakes of hydraulic controlling type brake system of car, two rear wheeies brake are communicated with secondary master brake cylinder by secondary brake hydraulic line;
The secondary brake equipment that the air extractor duct position of b, engine air inlet tube or vacuum pump is provided with T-pipe joint, is made up of secondary master brake cylinder, secondary vacuum booster and secondary brake pedal in the copilot station setting;
C, engine air inlet tube or vacuum pump are communicated with main brake vacuum booster, secondary vacuum booster by T-pipe joint and vacuum tracheae;
Two front-wheel brakes of d, hydraulic controlling type brake system of car and the position of two rear wheel brake oil inlets are separately installed with the first bilateral check valve, the second bilateral check valve and the 3rd bilateral check valve, the 4th bilateral check valve;
By being communicated with the ante-chamber oil outlet of the ante-chamber oil outlet of main brake master cylinder, secondary master brake cylinder with its cooresponding first bilateral check valve, the 4th bilateral check valve, described the near front wheel drg, off hind wheel drg are respectively by being communicated with the ante-chamber oil outlet of the back cavity oil outlet of main brake master cylinder, secondary master brake cylinder with its corresponding second bilateral check valve, the 3rd bilateral check valve respectively for e, off front wheel drg, left rear wheel drg.
Described secondary master brake cylinder is selected the series connection two-chamber master brake cylinder for use.
The utility model is in former double loop hydraulic control formula service braking system, has increased the cover brake equipment in parallel with former vehicle brake.The series connection two-chamber master brake cylinder that is wherein adopted, vacuum booster, bilateral check valve, T-pipe joint etc. are known products.
The effect of series connection two-chamber master brake cylinder described in the utility model is that the brake pedal force with chaufeur is converted into hydraulic coupling, makes output hydraulic pressure and pedal stroke become certain increasing function to concern with treadle effort.Described vacuum booster is to utilize engine air inlet tube or the vacuum of vacuum pump generation and the pressure reduction between the atmosphere, and push down on the pedal is played the power-assisted effect.The vacuum booster shell dimension can be selected according to the installing space of vehicle, and the shell dimension of vacuum booster is big more, and the power-assisted effect is good more.Described bilateral check valve, its specification and joint geometry can be adjusted according to vehicle.The flange of series connection two-chamber master cylinder body is installed in the front end of vacuum booster by bolt, and both are integral; The master cylinder push rod of vacuum booster stretches in the groove of series connection two-chamber master brake cylinder back cavity piston; Brake pedal is connected with the control valve input rod of vacuum booster.
Advantage that the utility model is compared with prior art had and effect:
The utility model is expert under the prerequisite that car owner's brake equipment do not implement, and operates secondary brake pedal and can implement and control brake automobile effectively.The utility model is installed in parallel with former vehicle brake on the basis that does not change former vehicle brake, does not influence the normal assembling of former vehicle brake parts.Compare characteristics such as have that major and minor brake equipment can not interfere, structure is succinct in the flexible operation, car with the secondary braking technology of existing mechanical control formula; Road-holding property and safe reliability obviously improve.Line stand deceleration and stopping performance check after testing, braking force, brake-force balance and brake coordination time are all consistent with former automobile main brake device; The moving service check of pathway trial-production, stopping distance, mean deceleration and insensitivity and former automobile main brake device indifference.
In addition, when the main brake failure of apparatus of service braking system, the work by secondary brake equipment still can realize the normal braking procedure of automobile, thereby the reliability of car load brake system is improved, and has guaranteed traffic safety better.
The above is arranged for the secondary brake equipment of staggered form double loop hydraulic control formula service braking system, the double circuit hydraulic braking system of the free-standing double loop hydraulic control formula service braking system in front and back or other arrangement form, the layout and the principle of work of secondary brake equipment are basic identical.
The utility model be fit to adopt the hydraulic controlling type service braking system, and the automobile of unassembled antiblock device (ABS), particularly Driving Instructor's car and be difficult to arrange that the vehicle that the secondary braking of mechanical connecting structure is installed installs and uses.
Description of drawings
Fig. 1 is the scheme drawing that the utility model is applied to the hydraulic controlling type brake system of car.
Fig. 2 is former fluid pressure type control service brake brake system of car scheme drawing.
Fig. 3 is the structural representation of series connection two-chamber master brake cylinder.
The specific embodiment
(1), see Fig. 1, the hydraulic controlling type brake system of car of the secondary brake equipment of hydraulic controlling type is installed, comprise 2,3, two rear wheeies brake 4,5 of 1, two front-wheel brake of engine air inlet tube or vacuum pump; Main brake master cylinder 6, main brake vacuum booster 7, service brake pedal 8 and main brake vacuum tracheae and hydraulic tubing; Secondary master brake cylinder 9, secondary vacuum booster 10, secondary brake pedal 11 and secondary brake vacuum tracheae and hydraulic tubing; T-pipe joint 12, bilateral check valve 13,14,15,16 etc.
The air extractor duct position of engine air inlet tube or vacuum pump 1 is provided with T-pipe joint 12, and engine air inlet tube or vacuum pump 1 are communicated with main brake vacuum booster 7, secondary vacuum booster 10 by T-pipe joint 12; Be separately installed with service brake pedal 8 and secondary brake pedal 11 on main brake vacuum booster 7, the secondary vacuum booster 10; Main brake vacuum booster 7 is connected with main brake master cylinder 6, and secondary vacuum booster 10 is connected with secondary master brake cylinder 9; Be separately installed with the first bilateral check valve, 13, the second bilateral check valves, 14, the three bilateral check valves, 15, the four bilateral check valves 16 on 2,3 and two rear wheeies brake 4,5 of two front-wheel brakes; By being communicated with the ante-chamber oil outlet 17 of main brake master cylinder 6 and ante-chamber oil outlet 17 (see figure 3)s of secondary master brake cylinder 9 with its cooresponding first bilateral check valve 13, the 4th bilateral check valve 16, the near front wheel drg 3, off hind wheel drg 4 are respectively by being communicated with the back cavity oil outlet 18 of main brake master cylinder 6 and back cavity oil outlet 18 (see figure 3)s of secondary master brake cylinder 9 with its cooresponding second bilateral check valve 14, the 3rd bilateral check valve 15 respectively for off front wheel drg 2, left rear wheel drg 5.
The utility model is installed in parallel with former car hydraulic controlling type brake device for car on the basis that does not change former vehicle structure (see figure 2), does not influence normal assembling and other assembly function of former vehicle brake parts.
(2), the braking procedure of the hydraulic controlling type brake system of car of the secondary brake equipment of hydraulic controlling type is installed:
A, when stepping on service brake pedal 8, the reach of main brake vacuum booster 7 control valve input rods, the vacuum of engine air inlet tube or vacuum pump 1 enters main brake vacuum booster 7 power-assisteds through T-pipe joint 12 and vacuum tracheae simultaneously, main brake series connection two-chamber master brake cylinder 6 hydraulic pressure are set up, the ante-chamber braking liquid is by the main brake hydraulic tubing, enter off front wheel drg 2 wheel cylinders through the first bilateral check valve 13 respectively, enter the wheel cylinder of left rear wheel drg 5, produce braking through the 4th bilateral check valve 16; The back cavity braking liquid enters the near front wheel drg 3 wheel cylinders through the second bilateral check valve 14 respectively by the main brake hydraulic tubing, enters the wheel cylinder of off hind wheel drg 4 through the 3rd bilateral check valve 15, produces braking.When loosening service brake pedal 8, two pistons of main brake master cylinder 6 are return under separately pull back spring and hydraulic action, and hydraulic pressure is removed in the forward and backward brake piping.
B, when stepping on secondary brake pedal 11, secondary vacuum booster 10 control valve input rods reach, the vacuum of engine air inlet tube or vacuum pump 1 enters secondary vacuum booster 10 power-assisteds through T-pipe joint 12 and vacuum tracheae simultaneously, secondary braking series connection two-chamber master brake cylinder 9 hydraulic pressure are set up, the ante-chamber braking liquid is by secondary brake hydraulic line, enter off front wheel drg 2 wheel cylinders through the first bilateral check valve 13 respectively, enter the wheel cylinder of left rear wheel drg 5, produce braking through the 4th bilateral check valve 16; The back cavity braking liquid enters the near front wheel drg 3 wheel cylinders through the second bilateral check valve 14 respectively by secondary brake hydraulic line, enters the wheel cylinder of off hind wheel drg 4 through the 3rd bilateral check valve 15, produces braking.When loosening service brake pedal 11, two pistons of secondary master brake cylinder 9 are return under separately pull back spring and hydraulic action, and hydraulic pressure is removed in the forward and backward brake piping.
C, when major and minor brake pedal 8,11 when all stepping on, usually step on earlier or master brake cylinder that pedal stroke is big works, braking liquid passes through hydraulic tubing, enter front and rear wheel drg 2,3,4 through the first bilateral check valve 13, the second bilateral check valve 14, the 3rd bilateral check valve 15, the 4th bilateral check valve 16 respectively, 5 wheel cylinders produce braking.The working process of brake off is identical with the process that main brake or secondary brake equipment act on separately, has only when major and minor brake pedal 8,11 all lifts, and braking could be removed.
(3), the installation of the secondary brake equipment of hydraulic controlling type automobile:
Secondary brake equipment is installed in that (secondary brake pedal 11 is in operator's compartment on the floor in assistant driver seat the place ahead, secondary master brake cylinder 9 and secondary vacuum booster 10 are in machinery space), bilateral check valve, threeway, vacuum tracheae and hydraulic tubing are arranged in vehicle body below and the machinery space, guaranteed the succinct of space on the cab floor, between assistant driver seat and the pedal human engineering requirement is satisfied in the installation site.
Claims (2)
1. the secondary brake equipment of hydraulic controlling type automobile, it is characterized in that: it is by secondary master brake cylinder (9), secondary vacuum booster (10), secondary brake pedal (11), T-pipe joint (12), bilateral check valve (13,14,15,16), secondary brake vacuum tracheae and secondary brake hydraulic line are formed;
The engine air inlet tube of a, hydraulic controlling type brake system of car or vacuum pump (1) are communicated with secondary vacuum booster (10), on the secondary vacuum booster (10) secondary brake pedal (11) is installed, secondary vacuum booster (10) is connected with secondary master brake cylinder (9), two front-wheel brakes (2 of hydraulic controlling type brake system of car, 3), two rear wheeies brake (4,5) are communicated with secondary master brake cylinder (9) by secondary brake hydraulic line;
The secondary braking force control system that the air extractor duct position of b, engine air inlet tube or vacuum pump (1) is provided with T-pipe joint (12), is made up of secondary master brake cylinder (9), secondary vacuum booster (10) and secondary brake pedal (11) in the copilot station setting;
C, engine air inlet tube or vacuum pump (1) are communicated with main brake vacuum booster (7), secondary vacuum booster (10) by T-pipe joint (12) and vacuum tracheae;
Two front-wheel brakes (2 of d, hydraulic controlling type brake system of car, 3) and the position of two rear wheeies brake (4,5) oil inlet be separately installed with the first bilateral check valve (13), the second bilateral check valve (14) and the 3rd bilateral check valve (15), the 4th bilateral check valve (16);
By being communicated with the ante-chamber oil outlet (17) of the ante-chamber oil outlet (17) of main brake master cylinder (6), secondary master brake cylinder (9) with its cooresponding first bilateral check valve (13), the 4th bilateral check valve (16), described the near front wheel drg (3), off hind wheel drg (4) are respectively by being communicated with the ante-chamber oil outlet (18) of the back cavity oil outlet (18) of main brake master cylinder (6), secondary master brake cylinder (9) with its corresponding second bilateral check valve (14), the 3rd bilateral check valve (15) respectively for e, off front wheel drg (2), left rear wheel drg (5).
2. the secondary brake equipment of hydraulic controlling type automobile according to claim 1, it is characterized in that: described secondary master brake cylinder (9) is selected the series connection two-chamber master brake cylinder for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205932654U CN201872744U (en) | 2010-11-01 | 2010-11-01 | Hydraulic control type automobile auxiliary brake apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205932654U CN201872744U (en) | 2010-11-01 | 2010-11-01 | Hydraulic control type automobile auxiliary brake apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201872744U true CN201872744U (en) | 2011-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205932654U Expired - Fee Related CN201872744U (en) | 2010-11-01 | 2010-11-01 | Hydraulic control type automobile auxiliary brake apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201872744U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103057537A (en) * | 2012-12-28 | 2013-04-24 | 芜湖盛力科技股份有限公司 | Vacuum boosters with master cylinder assemblies for engineering machinery brake system |
| CN108082161A (en) * | 2017-12-13 | 2018-05-29 | 河南森源鸿马电动汽车有限公司 | A kind of bidirectional hydraulic formula braking system |
| CN111409611A (en) * | 2020-04-16 | 2020-07-14 | 广东工业大学 | University student formula car brake mechanism based on EBS system |
-
2010
- 2010-11-01 CN CN2010205932654U patent/CN201872744U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103057537A (en) * | 2012-12-28 | 2013-04-24 | 芜湖盛力科技股份有限公司 | Vacuum boosters with master cylinder assemblies for engineering machinery brake system |
| CN103057537B (en) * | 2012-12-28 | 2015-11-18 | 芜湖盛力科技股份有限公司 | Braking system of engineering machinery vacuum booster with brake master cylinder |
| CN108082161A (en) * | 2017-12-13 | 2018-05-29 | 河南森源鸿马电动汽车有限公司 | A kind of bidirectional hydraulic formula braking system |
| CN108082161B (en) * | 2017-12-13 | 2024-04-09 | 河南森源鸿马电动汽车有限公司 | Bidirectional hydraulic braking system |
| CN111409611A (en) * | 2020-04-16 | 2020-07-14 | 广东工业大学 | University student formula car brake mechanism based on EBS system |
| CN111409611B (en) * | 2020-04-16 | 2021-05-11 | 广东工业大学 | University student formula car brake mechanism based on EBS system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20121101 |