CN201573628U - All-disc brake system for miniature car - Google Patents
All-disc brake system for miniature car Download PDFInfo
- Publication number
- CN201573628U CN201573628U CN200920293441XU CN200920293441U CN201573628U CN 201573628 U CN201573628 U CN 201573628U CN 200920293441X U CN200920293441X U CN 200920293441XU CN 200920293441 U CN200920293441 U CN 200920293441U CN 201573628 U CN201573628 U CN 201573628U
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- Prior art keywords
- brake
- disc
- disc brake
- clamp
- brake system
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- Expired - Lifetime
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- 230000007246 mechanism Effects 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 241001083492 Trapa Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a all-disc brake system for miniature car, including a left rear disc brake, a right rear disc brake, a rear brake disc, a left rear brake clamp and a right rear brake clamp, wherein the connector panels of the left rear disc brake and the right rear disc brake is connected to an axle through four bolts, the left rear brake clamp and the right rear brake clamp are fixed on the left and the right connector panels, a half shaft perforates from the hole of the left and the right connector panels, the rear brake disc is sleeved on the four bolts of the half shaft and is connected to the four bolts through wheels, and the brake disc is tightly pressed on the vehicle half shaft end-face, wherein the brake of moving vehicle is X-type vacuum brake hydraulic type, and the parking braking adopts mechanical type, the brake force is applied on the rear wheel. The utility model can improve vehicle riding comfort, braking performance and appearance, which will be a bright spot and dominance in the vehicle sale of the current miniature car market.
Description
Technical field
The utility model relates to the improvement of brake system of car aspect, in particular, is a kind of brake system device that adopts shroud, back pan brake, rear brake to adopt comprehensive Parking.
Background technology
Drg commonly used has drum brake mechanism and plate disc brake, and drum brake mechanism price is cheap, is not afraid of dust, but water funk, and character of heat-fading is poor.Plate disc brake braking force under the fluid power power-assisted is big and stable, and good braking performance is all arranged on various road surfaces, and its brake efficiency is far above drum brake mechanism, and air is directly by plate disc brake, so the thermal diffusivity of plate disc brake is fine, character of heat-fading is good.But plate disc brake structure more complicated with respect to drum brake mechanism requires also higherly to brake clamp, pipeline system, and cost is a little more than drum brake mechanism.
At present, the complete-disc brake system is mainly used in medium and high-grade car, cross-country, commercial, coach luxury coach; As water chestnut intelligence MPV, Lexus RX300 in fashion, modern Tiburon, a RAV4 of vapour Toyota the complete-disc brake system has been installed all, domestic little car brake system is not still used the complete-disc brake system at present except that my company.
The major defect of complete-disc brake system is:
1, the back plate disc brake is higher to the requirement on machining accuracy of rear axle and drg itself.
2, the back plate disc brake adopts comprehensive Parking, and Parking usefulness is lower than drum brake mechanism.
3, because the complete-disc brake system adopts is the load sensing valve configuration, thus the parameter of load sensing valve relatively total system to carry out matching ratio difficult.The result of coupling directly influences the performance of brake system.
Summary of the invention
Little car complete-disc brake system of the present utility model is the special-purpose brake system of releasing according to the characteristics of little car, comprise left back plate disc brake, right back plate disc brake, a back brake disc and a left side, right back brake clamp, a left side, the connecting panel of right back plate disc brake links to each other with vehicle bridge by four bolts, a left side, right back brake clamp is fixed on a left side, on the right connecting panel, one semiaxis is from a left side, pass in the hole of right connecting panel, back brake disc is enclosed within on four bolts of semiaxis, by wheel and four bolted connections, brake disc is pressed on the car semiaxis end face, wherein service brake is an X type vacuum servo fluid pressure type, braking during standstill adopts mechanical type, and braking force acts on trailing wheel.
Further, left and right back brake clamp adopts integrated halting mechanism, and material is an aluminum alloy.Brake piping adopts the X type to arrange.Load sensing valve also is installed, and is two to advance scene 2.
The service brake of little car complete-disc brake system is that X type vacuum servo hydraulic pressure, braking during standstill adopt mechanical type, and braking force acts on trailing wheel.Thereby improved vehicle riding comfort, deceleration and stopping performance and outward appearance, at current micro vehicle market, the complete-disc brake system must be the bright spot and the advantage of auto sale.The braking clamp body of drg adopts aluminum alloy, integrated service brake, braking during standstill and three kinds of functions of emergency brake on the function.
Because the rear wheel disc braking device of complete-disc brake system adopts aluminum alloy as main material, every chassis can reduce brake weight 8-10Kg, has improved the vehicle fuel oil from microcosmic.Brake caliper adopts integrated halting mechanism, uses with easy to maintenance quick, reduces maintenance cost greatly.
Use system of the present utility model, because the back plate disc brake is higher to the requirement on machining accuracy of rear axle and drg itself, so will carry out strictness control to the working accuracy of fit dimension between back axle end face, semiaxis end face, back-plate, brake clamp, the brake disc, could guarantee the normal use of back pan brake.
On the other hand, because drum brake mechanism has the power-assisted effect, general brake efficiency is 2.2 and the coefficient of friction (two) of plate disc brake is 0.8, and it is that the theoretical running radius of tire of 100.5/110mm, wheel is 0.283 that drum/plate disc brake Parking lever ratio is respectively 11.869/5.27, drg effective radius.So if backguy input end pulling force is S (N), the wheel power output is 4.507*S (N)/3.372*S (N) so.So the braking during standstill power of drum brake mechanism is higher than disc type 34%.In order to improve the Parking ability of complete-disc brake system, will consider from Full Vehicle System, by the lever ratio of hand brake operation mechanism assembly, the efficient of brake pulling wire itself and the layout on vehicle body, thus improve car load Parking usefulness.
In whole service braking system, load sensing valve ratiometric matching process is difficulty relatively, at first will according to original whole-vehicle design parameters determine load sensing valve correlation parameter, along with sample car trial-production finish, by result of a measurement to whole-car parameters, the design parameters that carries in inferior adjustment sense.Need afterwards by the braking performance of vehicle test, in brake test,, revise the flex point of load sensing valve by real data.
Description of drawings
Fig. 1: the little car complete-disc of the utility model brake system front view;
Fig. 2: the little car complete-disc of the utility model brake system front view latter half;
Fig. 3: view under the little car complete-disc of the utility model brake system;
Fig. 4: left back disk brake assembly front view;
Fig. 5: A-A direction view in the left back disk brake assembly;
Fig. 6: B is to revolved view in the left back disk brake assembly.
Description of reference numerals:
The left front brake assembly; 2, right front brake assembly;
3, left back disk brake assembly; 4, right back disk brake assembly;
5, left connecting panel; 6, right connecting panel;
7, back brake disc; 8, left back brake clamp;
9, right back brake clamp; 29, pipeline six is logical;
36, four-way connection assembly; 38, load sensing valve assembly;
39, hand brake operation mechanism assembly; 40, hand braking fore stay assembly;
41, hand braking Zola's rope assembly; 42, hand braking right inhaul cable assembly;
43, brake treadle mechanism assembly; 44, vacuum booster band master cylinder assembly;
45, braking transfer tube II; 46, braking transfer tube I;
47, seal ring I; 48, seal ring II;
49, braking liquid fluid reservoir belt supporting frame assembly; 50, vacuum lamp assembly;
51, tie bolt; 52, spring washer;
53, semiaxis; 54, swinging mounting;
55, eccentric shaft; 56, push pedal;
57, threaded guide rod; 58, swivel nut;
59, piston; 60, Friction disk;
61, cylindrical spring; 62, rectangular seal;
63, torsion spring.
The specific embodiment
Below in conjunction with accompanying drawing little car complete-disc brake system of the present utility model is specifically described.
As shown in Figure 1, little car complete-disc brake system of the present utility model comprises left back plate disc brake, right back plate disc brake, back brake disc 7 and a left side/right back brake clamp 8,9, the connecting panel 5,6 of a left side/right back pan brake by four tie bolts 51 link to each other with vehicle bridge, a left side/right back brake clamp 8,9 is fixed on a left side/right connecting panel 5,6, semiaxis 53 passes from the hole of a left side/right connecting panel 5,6, back brake disc 7 is enclosed within on four bolts of semiaxis 53, and brake disc compresses it by wheel.Brake piping adopts the X type to arrange, brake system is installed load sensing valve, is two to advance scene 2.
1, little garage car brake system principle of work
The structure of little car brake system and principle of work such as brake system assembly drowing, left back brake assembly constructional drawing are as shown.After chaufeur was stepped on brake treadle mechanism assembly 43, braking force was owing to the lever ratio of brake treadle mechanism assembly 43 increases the propelling thrust that acts on vacuum booster band master cylinder assembly 44 push rods.Promote push rod by pedal, promote master cylinder piston again, thereby produce hydraulic pressure in master brake cylinder, the fluid in the master cylinder flows in the drg cylinder body by brake piping under certain pressure.Brake fluid pressure promotes brake plunger and moves forward, and promotes friction lining and brake disc friction generation braking by piston more at last.Thereby make between wheel and the ground and produce braking force.
After brake pedal force disappeared, brake pedal is return under the effect of pedal spring power, thereby makes vacuum booster band master cylinder assembly push rod, master cylinder piston return.System in the brake caliper assembly
2, little car emergency brake system principle of work
When chaufeur pulling hand brake operation mechanism assembly 39, hand braking drag- line 40,41,42 is pulled thereupon.Drag- line 41,42 pulling back brake clamp swinging mountings 54 drive the rotation of eccentric shaft 55 assemblies, utilize the rotation of eccentric shaft that push pedal 56 is moved forward again, promoting threaded guide rod 57 again moves forward, utilize the screw thread fit of threaded guide rod 57 and swivel nut 58 that swivel nut 58 is promoted forward again, then swivel nut 58 promotes piston 59 again and moves forward, and promotes friction linings 60 and brake disc 7 friction brakinges by piston 59 more at last.
Behind the handle return of hand brake operation mechanism assembly 39, hand braking drag- line 40,41,42 is return under the effect of the torsion spring 63 of handle, brake caliper assembly and cylindrical spring 61.Piston 59 return under the effect of the elastic force of rectangular seal 62 in the brake caliper assembly, thus braking force disappears.
Claims (4)
1. little car complete-disc brake system, comprise left back plate disc brake, right back plate disc brake, a back brake disc (7) and a left side, right back brake clamp (8,9), it is characterized in that: a left side, the connecting panel (5 of right back plate disc brake, 6) link to each other with vehicle bridge by four bolts (51), a left side, right back brake clamp (8,9) be fixed on a left side, right connecting panel (5,6) on, one semiaxis (53) is from a left side, right connecting panel (5,6) pass in the hole, back brake disc (7) is enclosed within on four bolts of semiaxis (53), by wheel and four bolted connections, brake disc is pressed on the car semiaxis end face, wherein service brake is an X type vacuum servo fluid pressure type, braking during standstill adopts mechanical type, and braking force acts on trailing wheel.
2. little car complete-disc brake system according to claim 1 is characterized in that: it is aluminum alloy that left and right back brake clamp (8,9) adopts integrated halting mechanism, material.
3. little car complete-disc brake system according to claim 1 and 2 is characterized in that: brake piping adopts the X type to arrange.
4. little car complete-disc brake system according to claim 1 and 2 is characterized in that: load sensing valve also is installed, and is two to advance scene 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920293441XU CN201573628U (en) | 2009-12-17 | 2009-12-17 | All-disc brake system for miniature car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920293441XU CN201573628U (en) | 2009-12-17 | 2009-12-17 | All-disc brake system for miniature car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201573628U true CN201573628U (en) | 2010-09-08 |
Family
ID=42693505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920293441XU Expired - Lifetime CN201573628U (en) | 2009-12-17 | 2009-12-17 | All-disc brake system for miniature car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201573628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465356A (en) * | 2015-12-30 | 2016-04-06 | 浙江玉马机械有限公司 | Gearbox integrated with integrated traveling and parking brake assembly |
-
2009
- 2009-12-17 CN CN200920293441XU patent/CN201573628U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465356A (en) * | 2015-12-30 | 2016-04-06 | 浙江玉马机械有限公司 | Gearbox integrated with integrated traveling and parking brake assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100908 |