CN201980219U - Pneumatic control type automobile auxiliary brake device - Google Patents
Pneumatic control type automobile auxiliary brake device Download PDFInfo
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- CN201980219U CN201980219U CN2010205932870U CN201020593287U CN201980219U CN 201980219 U CN201980219 U CN 201980219U CN 2010205932870 U CN2010205932870 U CN 2010205932870U CN 201020593287 U CN201020593287 U CN 201020593287U CN 201980219 U CN201980219 U CN 201980219U
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- pneumatic control
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- Braking Systems And Boosters (AREA)
Abstract
The utility model discloses a pneumatic control type automobile auxiliary brake device. On the basis of not changing the original automobile structure, in the original pneumatic control type crane brake system, a set of brake control devices connected in parallel with the original brake control device is additionally arranged. The pneumatic control type automobile auxiliary brake device comprises an auxiliary brake valve (15), a control valve lower cavity tee joint (14a), a control valve upper cavity tee joint (14b), two double-way check valves (16 and 17) and an auxiliary brake pneumatic pipeline. The normal assembly of the components of the original automobile brake system is not influenced, and moreover, the reliability of the brake system of a whole automobile is improved. The pneumatic control type automobile auxiliary brake device has the advantages of compact structure, convenience and fastness in disassembly and assembly, high safety, high operability.
Description
Technical field
The utility model relates to Pneumatic control type brake system of car field, specifically is the secondary brake equipment of a kind of Pneumatic control type automobile.
Background technology
The running braking is the important component part of automobile, and its effect is car deceleration, the parking that makes in travelling, and makes the car speed of descent run keep stable, is the most important safe-guard system of automobile.Especially for the instructional car of driver training, need take braking in the situation of running in the driving, and the student does not implement glancing impact, need the trainer in time to take braking.Need increase the brake control device (secondary brake equipment) that is used for the emergent use of trainer for instructional car, 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 the service brake pedal of automobile by rod member or backguy, trainer (or copilot seat personnel) handles secondary brake pedal and carries out work through rod member or backguy control service brake pedal.This class formation is installed inconvenience; Produce movement interference and elastic deformation and make operation hysteresis and dumb; Can disturb driver's operation; Influence in the operator's compartment succinct; Some vehicle cannot or hardly be arranged.
The utility model content
The technical problems to be solved in the utility model provides the secondary brake equipment of a kind of Pneumatic control type automobile, and is when having improved the 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 Pneumatic control type automobile is made up of secondary brake activation valve, the threeway of brake activation valve cavity of resorption, the threeway of brake activation valve epicoele, bilateral check valve I, bilateral check valve II and secondary braking pressure pipeline;
The ante-chamber air extractor duct of the main air reservoir of Pneumatic control type brake system of car is connected by the end of tracheae with the threeway of brake activation valve cavity of resorption, and the in addition two ends of brake activation valve cavity of resorption threeway are connected with the cavity of resorption admission port of the main brake valve of brake system, the cavity of resorption admission port of secondary brake activation valve respectively by tracheae;
The back cavity air extractor duct of the main air reservoir of Pneumatic control type brake system of car is connected by the end of tracheae with the threeway of brake activation valve epicoele, and the two ends in addition of brake activation valve epicoele threeway are connected with the epicoele admission port of the main brake valve of brake system, the epicoele admission port of secondary brake activation valve by tracheae respectively.
The cavity of resorption air extractor duct of the main brake valve of Pneumatic control type brake system of car, the cavity of resorption air extractor duct of secondary brake activation valve connect with the corresponding inlet end of bilateral check valve II by tracheae respectively, the outlet side of bilateral check valve is connected with rapid release valve by tracheae, and rapid release valve is connected with preceding compressed air brake cylinder;
The epicoele air extractor duct of the main brake valve of Pneumatic control type brake system of car, the epicoele air extractor duct of secondary brake activation valve connect with the corresponding inlet end of bilateral check valve I by tracheae respectively, the outlet side of bilateral check valve is connected with the back relay and quick release valve, and relay and quick release valve is communicated with the back compressed air brake cylinder of brake system.
Annotate: the former brake system parts of different automobile types can be variant, do not use but do not influence assembling of the present utility model.As: chamber before and after air receiver is regardless of, but it is corresponding respectively to be furnished with two air receivers.
Technique scheme is in the Pneumatic control type service braking system of original double loop, increased by a cover and former car braking force control system brake equipment in parallel, the bilateral check valve that is wherein adopted, threeway, secondary brake activation valve (series connection two-chamber brake activation valve) are known products (can match according to different automobile types).
Advantage that the utility model is compared with prior art had and effect:
The utility model is expert under the prerequisite that car owner braking 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 brake device for car on the basis that does not change former vehicle structure, does not influence the normal assembling of former brake system of car parts.Compare with the secondary braking technology of existing machinery control formula, have characteristics such as major and minor brake system can not interfere, construct succinctly, dismounting is convenient; 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 car owner's brake system; The moving service check of pathway trial-production, stopping distance, mean deceleration and insensitivity and former car owner's brake system indifference.
In addition, when the service braking system main control valve lost efficacy, the work by secondary brake system 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 utility model is fit to adopt all kinds of automobiles of Pneumatic control type service brake, and particularly Driving Instructor's car is installed and used.
Description of drawings
Fig. 1 is the scheme drawing that the utility model is applied to the Pneumatic control type brake system of car.
Fig. 2 is the scheme drawing of the voltage-controlled standard brake system of car of Primordial Qi;
Fig. 3 is the cutaway view of bilateral check valve, wherein, and A1, A2-admission port, B-air extractor duct, 28. housings, 29. spools.
The specific embodiment
(1), sees Fig. 1, the Pneumatic control type brake system of car of the secondary brake equipment of Pneumatic control type is installed, comprise bonded assembly Air compressor 1, pressure regulating valve 2, dryer 3 and wet air receiver 4 successively, wet air receiver 4 is communicated with the admission port of hand control valve (HCV) 7 and two admission ports of main air reservoir 6 by four-loop protection valve 5, the air extractor duct of hand control valve (HCV) 7, be communicated with rapid release valve and two-way valve 12, the ante-chamber air extractor duct 18 of main air reservoir 6 is communicated with the cavity of resorption admission port 20 of the main brake valve 8 of brake system, the cavity of resorption admission port 21 of secondary brake activation valve 15 by brake activation valve cavity of resorption threeway 14a; The back cavity air extractor duct 19 of main air reservoir 6 is communicated with the epicoele admission port 22 of the main brake valve 8 of brake system, the epicoele admission port 23 of secondary brake activation valve 15 by brake activation valve epicoele threeway 14b; The cavity of resorption air extractor duct 24 of main brake valve 8, the cavity of resorption air extractor duct 25 of secondary brake activation valve 15 are communicated with the preceding compressed air brake cylinder 10 of brake system by bilateral check valve II17 (see figure 3), rapid release valve 9 successively, the epicoele air extractor duct 26 of main brake valve 8, the epicoele air extractor duct 27 of secondary brake activation valve 15 are communicated with the back compressed air brake cylinder 13 of brake system by bilateral check valve I16, relay and quick release valve 11 successively, and back compressed air brake cylinder 13 is communicated with rapid release valve and two-way valve 12; Secondary brake activation valve 15 is selected the series connection two-chamber brake activation valve for use.
The utility model is installed in parallel with the voltage-controlled standard brake device for car of Primordial Qi (see figure 2) on the basis that does not change primary car structure, does not influence other assembly function and normal assembling.
(2), the braking procedure of the Pneumatic control type brake system of car of the secondary brake equipment of Pneumatic control type is installed:
A, the braking of main brake valve: when stepping on the pedal of main brake valve 8, the pressurized air of main air reservoir 6 enters the upper and lower chamber admission port 22,20 of main brake valve 8 respectively through brake activation valve epicoele threeway 14b, brake activation valve cavity of resorption threeway 14a, from upper and lower chamber air extractor duct 26,24 outflows of main brake valve 8.The pressurized air that the cavity of resorption air extractor duct 24 of main brake valve 8 flows out, compressed air brake cylinder 10 before bilateral check valve II17 and rapid release valve 9 enter makes front wheel brake; The pressurized air that the epicoele air extractor duct 26 of main brake valve 8 flows out enters trailing wheel compressed air brake cylinder 13 through bilateral check valve I16 and relay and quick release valve 11, makes the trailing wheel braking.When loosening main brake valve 8 pedals, the pressurized air in the forward and backward compressed air brake cylinder 10,13 is respectively through the exhausr port exhaust to atmosphere of rapid release valve 9 and relay and quick release valve 11; Pressurized air is respectively through bilateral check valve I16, bilateral check valve II17, by the exhausr port exhaust to atmosphere of former approach from main brake valve 8, brake off in the brake circuit.
B, secondary brake activation valve braking: when stepping on secondary brake activation valve 15 pedals, pressurized air in the main air reservoir 6 enters the upper and lower chamber admission port 23,21 of secondary brake activation valve 15 respectively through brake activation valve epicoele threeway 14b, brake activation valve cavity of resorption threeway 14a, from upper and lower chamber air extractor duct 27,25 outflows of secondary brake activation valve 15.The pressurized air that the cavity of resorption air extractor duct 25 of secondary brake activation valve 15 flows out, compressed air brake cylinder 10 before bilateral check valve II17 and rapid release valve 9 enter makes front wheel brake; The pressurized air that the epicoele air extractor duct 27 of secondary brake activation valve 15 flows out enters trailing wheel compressed air brake cylinder 13 through bilateral check valve I16 and relay and quick release valve 11, makes the trailing wheel braking.When loosening secondary brake activation valve 15 pedals, the pressurized air in the forward and backward compressed air brake cylinder 10,13 is respectively through the exhausr port exhaust to atmosphere of rapid release valve 9 and relay and quick release valve 11; Pressurized air is respectively through bilateral check valve I16, bilateral check valve II17, by the exhausr port exhaust to atmosphere of former approach from secondary brake activation valve 15, brake off in the brake circuit.
C, when the pedal of major and minor brake activation valve 8,15 is all stepped on, usually step on earlier or brake activation valve that pedal stroke is big works, pressurized air is through bilateral check valve II17, rapid release valve 9 and bilateral check valve I16, relay and quick release valve 11, enter front and rear wheel compressed air brake cylinder 10,13 respectively, produce braking.The working process of brake off is identical with the process that main brake valve 8 or secondary brake activation valve 15 act on separately.Have only when major and minor brake pedal all lifts, braking could be removed.
(3), the installation of the secondary brake equipment of Pneumatic control type automobile:
Secondary brake activation valve 15 is installed in that (pedal is above the floor on the floor in assistant driver seat the place ahead, secondary brake activation valve assembly major part is below the floor), bilateral check valve I16, bilateral check valve II17, threeway 14a, 14b and connecting line are arranged into the below, floor, 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 Pneumatic control type automobile, it is characterized in that: it is made up of secondary brake activation valve (15), brake activation valve cavity of resorption threeway (14a), brake activation valve epicoele threeway (14b), bilateral check valve I (16), bilateral check valve II (17) and secondary braking pressure pipeline;
The ante-chamber air extractor duct (18) of the main air reservoir of a, Pneumatic control type brake system of car (6) is connected by the end of tracheae with brake activation valve cavity of resorption threeway (14a), and the in addition two ends of brake activation valve cavity of resorption threeway (14a) are connected with the cavity of resorption admission port (20) of the main brake valve (8) of brake system, the cavity of resorption admission port (21) of secondary brake activation valve (15) respectively by tracheae;
The back cavity air extractor duct (19) of the main air reservoir of b, Pneumatic control type brake system of car (6) is connected by the end of tracheae with brake activation valve epicoele threeway (14b), and the two ends in addition of brake activation valve epicoele threeway (14b) are connected with the epicoele admission port (22) of the main brake valve (8) of brake system, the epicoele admission port (23) of secondary brake activation valve (15) by tracheae respectively;
The cavity of resorption air extractor duct (24) of the main brake valve (8) of c, Pneumatic control type brake system of car, the cavity of resorption air extractor duct (25) of secondary brake activation valve (15) connect with the corresponding inlet end of bilateral check valve II (17) by tracheae respectively, the outlet side of bilateral check valve (17) is connected with rapid release valve (9) by tracheae, and rapid release valve (9) is connected with preceding compressed air brake cylinder (10);
The epicoele air extractor duct (26) of the main brake valve (8) of d, Pneumatic control type brake system of car, the epicoele air extractor duct (27) of secondary brake activation valve (15) connect with the corresponding inlet end of another bilateral check valve I (16) by tracheae respectively, the outlet side of bilateral check valve (16) is connected with back relay and quick release valve (11), and relay and quick release valve (11) is communicated with the back compressed air brake cylinder (13) of brake system.
2. the secondary brake equipment of Pneumatic control type automobile according to claim 1, it is characterized in that: described secondary brake activation valve (15) is selected the series connection two-chamber brake activation valve for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205932870U CN201980219U (en) | 2010-11-01 | 2010-11-01 | Pneumatic control type automobile auxiliary brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205932870U CN201980219U (en) | 2010-11-01 | 2010-11-01 | Pneumatic control type automobile auxiliary brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201980219U true CN201980219U (en) | 2011-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205932870U Expired - Fee Related CN201980219U (en) | 2010-11-01 | 2010-11-01 | Pneumatic control type automobile auxiliary brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201980219U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103057536A (en) * | 2013-01-12 | 2013-04-24 | 徐晟伟 | Vehicular auxiliary air pressure braking device |
| CN103231698A (en) * | 2013-05-11 | 2013-08-07 | 郭玉 | Auxiliary device for parking braking of truck |
-
2010
- 2010-11-01 CN CN2010205932870U patent/CN201980219U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103057536A (en) * | 2013-01-12 | 2013-04-24 | 徐晟伟 | Vehicular auxiliary air pressure braking device |
| CN103231698A (en) * | 2013-05-11 | 2013-08-07 | 郭玉 | Auxiliary device for parking braking of truck |
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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: 20110921 Termination date: 20121101 |