CN202541504U - Commercial car suspension type brake pedal mechanism - Google Patents
Commercial car suspension type brake pedal mechanism Download PDFInfo
- Publication number
- CN202541504U CN202541504U CN201120388869XU CN201120388869U CN202541504U CN 202541504 U CN202541504 U CN 202541504U CN 201120388869X U CN201120388869X U CN 201120388869XU CN 201120388869 U CN201120388869 U CN 201120388869U CN 202541504 U CN202541504 U CN 202541504U
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- brake
- activation valve
- pedal
- brake activation
- suspension type
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- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 239000000725 suspension Substances 0.000 title claims abstract description 14
- 230000004913 activation Effects 0.000 claims description 46
- 238000009434 installation Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 239000004677 Nylon Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
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Abstract
The utility model provides a commercial car suspension type brake pedal mechanism, brake valve assembly (3) on rigid coupling brake valve installing support (7) and lug (9), the one end rigid coupling footboard (1) of pedal arm (2), the other end have a round pin shaft hole, be connected with lug (9) on the brake valve assembly (3) through round pin axle (10), brake valve installing support (7) fix on preceding bounding wall (6) in the driver's cabin through bolt (8), its characterized in that: the brake valve back inclination angle (alpha) is 30-40 degrees, the acting force arm included angle (delta) is 60-65 degrees, the resistance arm length (gamma) is 30-37 mm, the lever ratio of the brake pedal mechanism reaches 7-8, pedal force required to be applied can be obviously reduced, efficiency loss is reduced, pedal force required to be applied is correspondingly reduced, the gap between a brake valve pipe joint and a front mask is increased, pipeline installation is facilitated, driving fatigue can be reduced, and potential safety hazards in driving are eliminated.
Description
Technical field
The utility model relates to a kind of automobile and uses brake system, relates in particular to a kind of commercial vehicle/comm..vehicle suspension type brake treadle mechanism.
Background technology
Now, along with the continuous expansion of freeway network, the raising of automobile speed and the increase of vehicle density, the functional reliability of brake system of car required to seem to become more and more important.Because have only the safety that deceleration and stopping performance is good, the automobile of brake system reliable operation just can give full play of its tractive performance of running at high speed and guarantee to go.This shows that brake system is the very important component part of automobile, is the most important ring in the safe driving.In brake system, brake pedal is again the most important thing in the safe driving, because chaufeur is to obtain the automobile brake sensation through brake pedal, and comes the Control of Automobile rate of braking thus.Though brake feel is the sensation of chaufeur foot pedal in the process of implementing braking, yet through instrument detecting, can carry out comprehensive evaluation, generally describes with 8 parameters, a wherein crucial actuating force that parameter is a brake pedal.Press the type of transmission of braking energy, the brake system of automobile can be divided into mechanical type, fluid pressure type, vapour-pressure type, electromagnetic type etc.Existing commercial vehicle/comm..vehicle adopts the type of transmission of fluid pressure type, two kinds of braking energys of vapour-pressure type more, and the common feature of the type of transmission of these two kinds of braking energys is exactly that brake activation valve is all arranged, and the treadle effort of its brake pedal mainly is a crack force of realizing brake activation valve.In the automobile design, choosing of the calculating of this treadle effort and the size of power has appreciiable data for reference in modern times, but the theory of each data and computing formula all are similar, has been quite ripe, and the product of each motor plant is also all acted in accordance with the regulations.Such as " structural analysis of auto brake system and the design calculation " that Liu Weixin writes, press of Tsing-Hua University version in 2004.Say in the book: the position of brake pedal and stroke, should meet the human engineering requirement, promptly operation convenience is good, handles lightly, comfortable, can reduce tired.And point out: various countries' rules and regulations, the maximum treadle effort of braking are generally 500N (car)～700N (lorry).During design, the scope of choosing of emergency braking (account for braking total degree 5%～10%) treadle effort: car is 200N～300N; Lorry is 350N～550N, gets its little value when adopting servo brake or dynamic brake.The said lorry of this book, by international standard, can divide to one type of commercial vehicle/comm..vehicle.Promptly according to the ISO3833 revised edition, following international standard only is divided into two big types with automobile: manned vehicle and commercial vehicle/comm..vehicle.Obviously, the existing theoretical existing regulation of being formulated, so that the treadle effort of the existing commercial vehicle/comm..vehicle of producing obviously are greater than manned vehicle; Therefore the actual treadle effort of each commercial vehicle/comm..vehicle is also all chosen intermediate value in specialized range, promptly about 450N; Make the people who drives commercial vehicle/comm..vehicle significantly pay labour intensity and want big, particularly, especially drive commercial vehicle/comm..vehicle in the mountain area from market user's feedback; The user is reflected the brake effort, and when implemented for long periods was braked than hard intensity, it was bigger to drive labour intensity.Even new car is like this, in case become used car, its brake activation valve wearing and tearing, resistance increases, and makes treadle effort also increase exponentially, and consequently, causes fatigue driving easily, produces potential safety hazard.
Summary of the invention
The purpose of the utility model is that to overcome the treadle effort of existing commercial vehicle/comm..vehicle suspension type brake treadle mechanism bigger; Cause fatigue driving easily, produce the problem of potential safety hazard, provide a kind of under the prerequisite that does not change plan boundary conditions such as mounting means, human engineering; Each part to existing brake treadle mechanism is arranged again; Reach and obviously reduce treadle effort, easy for installation, can alleviate the commercial vehicle/comm..vehicle suspension type brake treadle mechanism of driving fatigue.
For realizing above-mentioned purpose; The technical scheme that the utility model adopts is: a kind of commercial vehicle/comm..vehicle suspension type brake treadle mechanism comprises pedal, pedal arm, brake activation valve assembly, spacing cushion block, pull back spring, brake activation valve mounting bracket, hanger, bearing pin, affixed brake activation valve mounting bracket and hanger on the described brake activation valve assembly; The affixed pedal of one end of said pedal arm; The other end has pin shaft hole, is connected with hanger on the brake activation valve assembly through bearing pin, and described brake activation valve mounting bracket is through being bolted on the cab front panel; Described brake activation valve casterangle α is 30 °～40 °; Acting force arm angle δ is 60 °～65 °, and resistance brachium γ is 30～37mm, and the brake treadle mechanism lever ratio reaches 7～8.
Described brake activation valve is a hydraulic valve.
Described brake activation valve is an air pressure valve.
Described hanger periphery exceeds and is the basin type.
Is furnished with sleeve pipe in the pin shaft hole of described pedal arm.
Described brake activation valve casterangle α is 35 °, and acting force arm angle δ is 62 °, and resistance brachium γ is 33.5mm.
Compared with prior art, the beneficial effect of the utility model is: 1. the brake treadle mechanism lever ratio increases to 7～8 by 5～6, can obviously reduce the treadle effort that need apply.2. brake pedal force is along the pedal tread action direction, and acting force arm angle δ increases to 60 °～65 ° about by 47 degree, has reduced loss in efficiency, the corresponding treadle effort that need apply of reducing.3. brake activation valve casterangle α has increased the gap of brake activation valve adaptor union and radiator grille by being reduced to 30 °～40 ° greater than 40 °, is convenient to pipeline and installs.In a word, the utility model will have brake pedal force now and be reduced to 350N from 450N, obviously reduce treadle effort, and pipeline is easy for installation, can alleviate driving fatigue, eliminate safe driving hidden danger.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the prior art constructions scheme drawing;
Fig. 3 is the section-drawing of h-h among Fig. 1.
Among the figure: pedal 1, pedal arm 2, brake activation valve assembly 3, spacing cushion block 4, pull back spring 5; Cab front panel 6, brake activation valve mounting bracket 7, bolt 8, hanger 9, bearing pin 10; Sleeve pipe 11, brake activation valve axis A, bearing pin axle center B, pedal bearing surface normal direction C; Cab front panel vertical guide D, brake activation valve casterangle α, acting force arm angle δ, resistance brachium γ.
The specific embodiment
Below in conjunction with the description of drawings and the specific embodiment the utility model is done further description, but be not restriction its protection domain.
Referring to Fig. 1; A kind of commercial vehicle/comm..vehicle suspension type brake treadle mechanism of the utility model comprises pedal 1, pedal arm 2, brake activation valve assembly 3, spacing cushion block 4, pull back spring 5, brake activation valve mounting bracket 7, hanger 9, bearing pin 10, affixed brake activation valve mounting bracket 7 and hanger 9 on the described brake activation valve assembly 3; The affixed pedal 1 of one end of said pedal arm 2; The other end has pin shaft hole, is connected with hanger 9 on the brake activation valve assembly 3 through bearing pin 10, and described brake activation valve mounting bracket 7 is fixed on the cab front panel 6 through bolt 8; Described brake activation valve casterangle α is 30 °～40 °; Acting force arm angle δ is 60 °～65 °, and resistance brachium γ is 30～37mm, and the brake treadle mechanism lever ratio reaches 7～8.
Described brake activation valve casterangle α is 35 °, and acting force arm angle δ is 62 °, and resistance brachium γ is 33.5mm.
From market user's feedback, especially the mountain area user is reflected the brake effort, when implemented for long periods is braked than hard intensity; It is bigger to drive labour intensity, and analysis draws to prior art: 1) brake activation valve casterangle α is excessive, not only influences the brake treadle mechanism lever ratio; It is big to produce foot-operated power, and can connect chassis nylon tube assembly by brake activation valve assembly 3 band adaptor unions, and the sheet separation is too small in pipeline and the cab front panel; Fix situation such as improper, that pipeline is long in case pipeline occurs; Will cause pipeline and cab front panel inner panel generating interference friction, on the nylon tube outer wall, stay the vestige of scuffing, even faults such as breach occur.2) brake pedal force is along pedal bearing surface normal direction C, and the acting force arm angle δ of prior art is too small, causes invalid component bigger, and loss in efficiency is also big, causes corresponding treadle effort heavy.Measures such as needs increase pedal gear lever ratio promote the braking force performance, realize reducing brake pedal force less than 350N or lower, and embodiment has: 1) brake activation valve casterangle α is by being reduced to 30 °～40 ° greater than 40 °.If less than 30 °, though reduced treadle effort and increased bigger lever ratio, the corresponding increase pedal stroke of meeting; If greater than 40 °; Then not obvious with the increase lever ratio to reducing treadle effort; Therefore brake activation valve casterangle α should choose in 30 °～40 °, when choosing brake activation valve casterangle α should be at 35 ° the time, reaches effect preferably; Not only reduced treadle effort and increased lever ratio, be with adaptor unions to connect the gap of the pipeline and the cab front panel inner panel of chassis nylon tube assembly but also increased brake activation valve assembly 3.2) brake pedal force is along the pedal tread action direction, and acting force arm angle δ increases to 60 °～65 ° by about 47 °, has reduced loss in efficiency, the corresponding treadle effort level that need apply of reducing.If acting force arm angle δ gets less than 60 °, the loss in efficiency of minimizing is also inadequate; If acting force arm angle δ gets greater than 65 °, efficient can reach requirement, and designing requirements such as operating pedal action and human engineering are not proper, and therefore, embodiment has been chosen 62 °.3) the brake treadle mechanism lever ratio increases to 7～8 by 5～6, can obviously reduce the treadle effort that need apply, and wherein, resistance brachium γ is the parameter of best setting, and resistance brachium γ is at 30～37mm, and present embodiment is chosen for 33.5mm.
Described brake activation valve 3 is a hydraulic valve, and described brake activation valve 3 is an air pressure valve.No matter be hydraulic valve or air pressure valve, the utility model all is suitable for.
Referring to Fig. 2, the brake activation valve casterangle α of prior art is 42.1 °, and acting force arm angle δ is 47.2 °, and resistance brachium γ is 44.7mm, and these values are compared with the utility model, all have than big difference.
Referring to Fig. 3, described hanger 9 peripheries exceed and are the basin type, because the increase of lever ratio, the stressed of the pin shaft hole on the hanger 9 also increases, and for increasing its intensity, hanger 9 peripheries can adopt bending to exceed or stretch to exceed, can meet the demands.
Is furnished with sleeve pipe 11 in the pin shaft hole of described pedal arm 2.For the pin shaft hole that reduces plate arm 2 and the wearing and tearing of bearing pin 10; In the pin shaft hole of pedal arm 2, be furnished with sleeve pipe 11, the material of sleeve pipe 11 is different with pedal arm 2, and is after heat treatment not only wear-resisting; And it is little with the friction coefficient of bearing pin 10; Even, reduced cost in case wearing and tearing also only only need more casing replacing 11.
Claims (6)
1. commercial vehicle/comm..vehicle suspension type brake treadle mechanism; Comprise pedal (1), pedal arm (2), brake activation valve assembly (3), spacing cushion block (4), pull back spring (5), brake activation valve mounting bracket (7), hanger (9), bearing pin (10); Described brake activation valve assembly (3) is gone up affixed brake activation valve mounting bracket (7) and hanger (9); The affixed pedal of one end (1) of said pedal arm (2); The other end has pin shaft hole, is connected with hanger (9) on the brake activation valve assembly (3) through bearing pin (10), and described brake activation valve mounting bracket (7) is fixed on the cab front panel (6) through bolt (8); It is characterized in that: described brake activation valve casterangle (α) is 30 °～40 °; Acting force arm angle (δ) is 60 °～65 °, and resistance brachium (γ) is 30～37mm, and the brake treadle mechanism lever ratio reaches 7～8.
2. a kind of commercial vehicle/comm..vehicle suspension type brake treadle mechanism according to claim 1 is characterized in that: described brake activation valve (3) is a hydraulic valve.
3. a kind of commercial vehicle/comm..vehicle suspension type brake treadle mechanism according to claim 1 is characterized in that: described brake activation valve (3) is an air pressure valve.
4. a kind of commercial vehicle/comm..vehicle suspension type brake treadle mechanism according to claim 1 is characterized in that: described hanger (9) periphery exceeds and is the basin type.
5. a kind of commercial vehicle/comm..vehicle suspension type brake treadle mechanism according to claim 1 is characterized in that: be furnished with sleeve pipe (11) in the pin shaft hole of described pedal arm (2).
6. a kind of commercial vehicle/comm..vehicle suspension type brake treadle mechanism according to claim 1, it is characterized in that: described brake activation valve casterangle (α) is 35 °, and acting force arm angle (δ) is 62 °, and resistance brachium (γ) is 33.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120388869XU CN202541504U (en) | 2011-10-13 | 2011-10-13 | Commercial car suspension type brake pedal mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120388869XU CN202541504U (en) | 2011-10-13 | 2011-10-13 | Commercial car suspension type brake pedal mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202541504U true CN202541504U (en) | 2012-11-21 |
Family
ID=47162178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120388869XU Expired - Lifetime CN202541504U (en) | 2011-10-13 | 2011-10-13 | Commercial car suspension type brake pedal mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202541504U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103569220A (en) * | 2013-11-05 | 2014-02-12 | 安徽工贸职业技术学院 | Pedal of motor vehicle |
| CN103693028A (en) * | 2013-12-13 | 2014-04-02 | 一汽解放柳州特种汽车有限公司 | Long-head automobile brake control mechanism |
| CN103738316A (en) * | 2013-12-19 | 2014-04-23 | 柳州正菱集团有限公司 | Braking control mechanism of long-head automobile |
| CN105378322A (en) * | 2013-07-11 | 2016-03-02 | 西门子公司 | brake equipment |
| CN108583551A (en) * | 2018-06-22 | 2018-09-28 | 广西钦州力顺机械有限公司 | Mechanical-hydraulic brake operating mechanism |
-
2011
- 2011-10-13 CN CN201120388869XU patent/CN202541504U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105378322A (en) * | 2013-07-11 | 2016-03-02 | 西门子公司 | brake equipment |
| CN105378322B (en) * | 2013-07-11 | 2017-09-22 | 西门子公司 | Braking equipment |
| CN103569220A (en) * | 2013-11-05 | 2014-02-12 | 安徽工贸职业技术学院 | Pedal of motor vehicle |
| CN103693028A (en) * | 2013-12-13 | 2014-04-02 | 一汽解放柳州特种汽车有限公司 | Long-head automobile brake control mechanism |
| CN103738316A (en) * | 2013-12-19 | 2014-04-23 | 柳州正菱集团有限公司 | Braking control mechanism of long-head automobile |
| CN108583551A (en) * | 2018-06-22 | 2018-09-28 | 广西钦州力顺机械有限公司 | Mechanical-hydraulic brake operating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGFENG COMMERCIAL VEHICLE CO., LTD. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20130904 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430056 WUHAN, HUBEI PROVINCE TO: 442001 SHIYAN, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130904 Address after: 442001 Shiyan City, Hubei province city Zhangwan District Road No. 2 Patentee after: DONGFENG TRUCKS Co.,Ltd. Address before: 430056 Dongfeng Road, Wuhan Economic Development Zone, Hanyang District, Hubei, China, No. 10, No. Patentee before: DONGFENG MOTER Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |
|
| CX01 | Expiry of patent term |