CN101982354B - Brake pedal mechanism capable of preventing collision injuries - Google Patents
Brake pedal mechanism capable of preventing collision injuries Download PDFInfo
- Publication number
- CN101982354B CN101982354B CN201010532763.2A CN201010532763A CN101982354B CN 101982354 B CN101982354 B CN 101982354B CN 201010532763 A CN201010532763 A CN 201010532763A CN 101982354 B CN101982354 B CN 101982354B
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- Prior art keywords
- pedal
- cutting ferrule
- brake
- lever
- slide block
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- 230000006378 damage Effects 0.000 title claims abstract description 23
- 208000027418 Wounds and injury Diseases 0.000 claims description 15
- 208000014674 injury Diseases 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 7
- 230000003044 adaptive effect Effects 0.000 claims description 5
- 229920006351 engineering plastic Polymers 0.000 claims description 5
- 210000003371 toe Anatomy 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 210000003423 ankle Anatomy 0.000 abstract description 5
- 238000004079 fireproofing Methods 0.000 abstract 1
- 210000001699 lower leg Anatomy 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 210000002683 foot Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000036651 mood Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 206010060820 Joint injury Diseases 0.000 description 1
- 208000018982 Leg injury Diseases 0.000 description 1
- 206010061225 Limb injury Diseases 0.000 description 1
- 208000022542 ankle injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Mechanical Control Devices (AREA)
Abstract
The invention discloses a brake pedal mechanism capable of preventing collision injuries, comprising a pedal base and a brake booster push rod, the pedal base is fixedly arranged on a fireproofing wall and is provided with a pedal arm hinged through a pedal rotating shaft, and the brake booster push rod is connected with the pedal arm through a pin shaft; the conducting grooves at the two sides in the pedal base are internally provided with sliders which can slide along the conducting grooves; a left clamping sleeve and a right clamping sleeve which can be pushed out of guide holes by the sliders are arranged in the guide holes at the two sides of the pedal base; the two ends of the pedal rotating shaft which is in fit with the left clamping sleeve, the right clamping sleeve and the pedal base are provided with grooves; the two sides of the slider are symmetrically provided with wedge angles; and the left clamping sleeve and the right clamping sleeve are provided with oblique angles which are in fit with the wedge angles. The brake pedal mechanism also comprises a lever which is hinged on the pedal base through a lever rotating shaft; and the lower end of the lever tightly leans on the slider; and set contact distance is maintained between the upper end of the lever and an instrument desk crossbeam. The mechanism can effectively prevent the ankles and cruses of drivers from being injured by the brake pedal, and only the clamping sleeve clamped with the slider is damaged at collision condition, thus reducing the damage on the components and parts to the greatest extent, and being convenient for reparation.
Description
Technical field
The present invention relates to a kind of automobile brake pedal mechanism, especially relate to a kind of braking preventing human body collision injury
Pedal gear.
Background technology
At present, the actuating unit of brake system of car is exactly brake pedal, by chaufeur foot push down on the pedal, by servo-unit, power is amplified, be applied on the piston in master cylinder, in master cylinder inside, build pressure, by middle transfer conduit and pressure distribution parts, power is applied on drg again, thereby implements braking, the car in motion is stopped.
Brake pedal is fixed on vehicle body fireproof brickwork, and be directly connected with servo-unit push rod, when automobile generation head-on crash, chaufeur firmly stops car brake pedal depression conventionally rapidly, and the impulsive force that when collision produces will directly be sent to pin by servo-unit and pedal, give larger impulsive force of pin, cause ankle injury.When front touching, fireproof brickwork tends to crew module, invade to some extent, and brake pedal also moves thereupon after driver side, may invade the injury that ankle and shank are caused.
Now, before car, touch in the standards of grading of rules and C-NCAP, to ankle and shank, the injury in collision has occurrence requirement, makes automobile have higher safety in order to meet the demands, and the employing that automobile vendor has both at home and abroad prevents that intrusive mood brake pedal from reducing injury.In the higher developed country of vehicle level, adopt plastic material to replace metallic material design brake pedal, reduce and reduce collision injury, but higher to technical requirements, cost is high.
For example, the mounting structure of the disclosed a kind of brake pedal of Chinese patent 200410070452.3 document, its main technical schemes is: it comprises articulated pipe and pedal arm, on pedal arm, be provided with hinged groove, described hinged groove is connected in described articulated pipe, a part for described hinged groove is towards the front openings of vehicle, and its width is less than the external diameter width of described articulated pipe.When assembling, utilize external force that hinged groove on pedal arm is contained in articulated pipe, after loading onto, be that the friction force by combining closely between part limits, reach firm coupled condition.This weak point that prevents the technical scheme of intrusive mood brake pedal is that brake pedal is often in running order, utilizes friction force to reach firm connection, the very difficult assurance of stability of work.And part injury after collision, is unfavorable for repairing and utilizes.
Summary of the invention
The object of this invention is to provide a kind of brake treadle mechanism that prevents collision injury, during solving collision, reduce the damage to part as far as possible, be convenient to reparation problem.
The technical solution adopted for the present invention to solve the technical problems is: a kind of brake treadle mechanism that prevents collision injury, comprise the pedal base being fixedly installed on fireproof brickwork, on pedal base, be provided with by the hinged pedal arm of pedal shaft the brake servo unit push rod being connected with pedal arm by bearing pin; In pedal base, both sides arrange guide groove, the slide block that in described guide groove, setting can be slided along guide groove; In slide block, pass pedal shaft; In pedal base both sides, be provided with guide hole, in guide hole, be provided with left cutting ferrule and the right cutting ferrule that can be released by slide block; On left cutting ferrule, right cutting ferrule and pedal base, be respectively arranged with the groove at adaptive pedal shaft two ends; Described slide block bilateral symmetry is provided with the angle of wedge, has the oblique angle of the adaptive angle of wedge on described left cutting ferrule, right cutting ferrule; Also comprise on pedal base and pass through the hinged lever of lever shaft, the lower end of described lever is near slide block, and the upper end of lever keeps setting to contact distance with instrument desk crossbeam.
Further, the opening of described slide block is the shape of a saddle.On left cutting ferrule, right cutting ferrule, the clamp of upspringing under state of nature is all set.Described pedal shaft two ends are square toes.
Better for vehicle weight is alleviated with energy-absorbing vibration isolating effect, described pedal base, cutting ferrule and slide block all adopt engineering plastic materials to make.
Beneficial effect of the present invention: owing to being provided with the structure of lever pushing slide block in pedal base upper footboard S. A. position, when auto against, can make pedal S. A. deviate from fast from pedal base.Pedal to the direction rotation away from chaufeur, effectively reduces the strength that brake pedal clashes into chaufeur ankle and shank around bearing pin, thus make damaging of chaufeur reduce.The cutting ferrule of lower damage clamping slide block of general collision situation has reduced the damage to part as far as possible, is convenient to repair.This mechanism reliable operation, low cost of manufacture.
Below with reference to drawings and Examples, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the organigram of brake treadle mechanism of the present invention.The normal condition that is shown in.
Fig. 2 is the organigram of brake treadle mechanism of the present invention.Institute is shown in the rear state of collision.
Fig. 3 is pedal base of the present invention and slide block structure perspective exploded view.
In figure: 1. brake servo unit, 2. brake servo unit push rod, 3. fireproof brickwork, 4. instrument desk crossbeam, 5. lever, 6. lever shaft, 7. slide block, 8. cutting ferrule, 9. pedal base, 10. bearing pin, 11. pedal arms, 12. pedal shafts, 13. guide holes, 14. guide grooves, 15. low grooves, 16. pedal shaft terminations, 17. angles of wedge, 18. oblique angles, 19. upper port, 20. upper grooves, 21. clamps, 81. left cutting ferrules, 82. right cutting ferrules.
The specific embodiment
Embodiment 1, as shown in Figure 1, and the organigram of the brake treadle mechanism under normal condition.Brake servo unit 1
Be arranged on fireproof brickwork 3 with pedal base 9.Brake servo unit push rod 2 is connected with pedal arm 11 by bearing pin 10.Lever 5 is arranged on pedal base 9 by lever shaft 6, and can be around lever shaft 6 rotations.Lever be shaped as Curved.Slide block 7 is arranged in the guide groove 14 of pedal base 9, and can move along guide groove 14, and the opening of described slide block is the shape of a saddle.The lower end of lever 5 is near slide block 7, and upper end keeps setting to contact distance with instrument desk crossbeam 4.In pedal base, be symmetrically arranged with a pair of cutting ferrule 8, slide block 7 is assembled on pedal base 9 with adaptive contact of cutting ferrule 8, and pedal S. A. is fixed on pedal base 9.
As shown in Figure 2,3, Fig. 2 is under the rear state of collision, and pedal shaft is deviate from the organigram of the brake treadle mechanism of back step arm contrarotation.Fig. 3 is the three-dimensional exploded view of pedal base and slide block structure.As shown in Figure 3, left cutting ferrule 81 and right cutting ferrule 82 are that the guide hole 13 by the left and right sides on pedal base 9 is assembled on pedal base 9, and can be along guide hole transverse shifting.When left and right cutting ferrule inwardly packs into after pedal base 9, by the upper groove 20 on left and right cutting ferrule and the low groove 15 on pedal base, together pedal shaft 12 is fixed on pedal base 9, described pedal shaft two ends are square toes, outwards deviating from of left and right cutting ferrule restriction pedal shaft 12, the transverse shifting of the low groove 15 restriction pedal shafts 12 on pedal base 9.On the cutting ferrule of left and right, be respectively designed with 2 clamps 21, under state of nature, clamp 21 is upspring.So when left and right cutting ferrule is assembled to by guide hole after pedal base 9, clamp 21 is upspring, and is stuck on the inwall of base 9, prevents that left and right cutting ferrule outwards moves from pedal base 9 under normal circumstances, thereby guarantee that pedal shaft 12 can not deviate under normal circumstances.Clamp 21 is plastic material, when being subject to certain power, and clamp 21 meeting contrarotations, thus remove the restriction that it outwards moves left and right cutting ferrule.As shown in Figure 2, when the impulse force power of colliding is delivered to pedal base 9 by brake servo unit 1, fireproof brickwork 3, brake pedal is moved backward; By servo-unit push rod 2, be delivered on pedal arm 11, make pedal arm 11 have the trend rotating up.When brake pedal moves a certain distance backward, lever 5 upper ends contact with fixing instrument desk crossbeam 4, brake pedal continues to move backward, so under instrument desk crossbeam 4 promotes, lever 5 left-hand revolutions, promotion slide block 7 in the lower end of lever 5 outwards moves along the guide groove 14 on pedal base, and when slide block 7 moves to pedal base 9 is outside, the angle of wedge 17 on slide block 7 withstands the oblique angle 18 of left and right with matching cutting ferrule.Promoting left and right cutting ferrule outwards laterally shifts out respectively; Along with slide block 7 outwards moves, the restriction that the upper groove 20 of left and right cutting ferrule is removed the pedal shaft termination 16 at pedal shaft two ends, utilize the power of chaufeur foot pedal, pedal shaft 12 is deviate from from the upper port 19 of pedal base, thus make pedal arm 11 around bearing pin 10 to the direction rotation away from chaufeur.
In the present invention; owing to being provided with the structure of lever pushing slide block in pedal base upper footboard S. A. position; during collision, under the effect of lever, make brake pedal rotating shaft deviate from completely from pedal base; pedal arm is moved to the direction away from chaufeur; thereby reduce the shock strength of chaufeur ankle and shank and brake pedal; can significantly reduce the leg injury of brake pedal to chaufeur, actv. has been protected the safety of chaufeur.Under general collision situation, the parts of pedal gear lift restrictions, and only the cutting ferrule of damage clamping slide block has reduced the damage to part as far as possible, are convenient to repair.And pedal base, cutting ferrule, slide block all adopt engineering plastic materials, greatly alleviate the weight of brake pedal unit.Good stability when this mechanism works, low cost of manufacture, after collision, rehabilitation cost is low.
Claims (7)
1. one kind prevents from colliding the brake treadle mechanism injuring, comprise the pedal base (9) being fixedly installed on fireproof brickwork (3), on pedal base (9), be provided with by the hinged pedal arm (11) of pedal shaft (12), the brake servo unit push rod (2) being connected with pedal arm (11) by bearing pin (10); It is characterized in that: both sides arrange guide groove (14) in pedal base (9) slide block (7) that in described guide groove, setting can be slided along guide groove (14); In slide block (7), pass pedal shaft (12); In pedal base (9) both sides, be provided with guide hole (13), in guide hole, be provided with left cutting ferrule (81) and the right cutting ferrule (82) that can be released by slide block; On left cutting ferrule (81), right cutting ferrule (82) and pedal base (9), be respectively arranged with the groove at adaptive pedal shaft (12) two ends; Described slide block (7) bilateral symmetry is provided with the angle of wedge (17), has the oblique angle (18) of the adaptive angle of wedge (17) on described left cutting ferrule (81), right cutting ferrule (82); Also comprise that pedal base (9) is upper by the hinged lever (5) of lever shaft (6), the lower end of described lever (5) is near slide block (7), and the upper end of lever (5) keeps setting to contact distance with instrument desk crossbeam (4).
2. the brake treadle mechanism that prevents collision injury as claimed in claim 1, is characterized in that: the opening of described slide block (7) is the shape of a saddle.
3. the brake treadle mechanism that prevents collision injury as claimed in claim 1 or 2, is characterized in that: the clamp (21) of upspringing under state of nature is all set on described left cutting ferrule (81), right cutting ferrule (82).
4. the brake treadle mechanism that prevents collision injury as claimed in claim 3, is characterized in that: described pedal shaft (12) two ends are square toes.
5. the brake treadle mechanism that prevents collision injury as claimed in claim 4, is characterized in that: described left cutting ferrule (81) and right cutting ferrule (82) all adopt engineering plastic materials to make.
6. the brake treadle mechanism that prevents collision injury as claimed in claim 5, is characterized in that: described pedal base (9) adopts engineering plastic materials to make.
7. the brake treadle mechanism that prevents collision injury as claimed in claim 6, is characterized in that: described slide block (7) adopts engineering plastic materials to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010532763.2A CN101982354B (en) | 2010-11-04 | 2010-11-04 | Brake pedal mechanism capable of preventing collision injuries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010532763.2A CN101982354B (en) | 2010-11-04 | 2010-11-04 | Brake pedal mechanism capable of preventing collision injuries |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101982354A CN101982354A (en) | 2011-03-02 |
| CN101982354B true CN101982354B (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010532763.2A Active CN101982354B (en) | 2010-11-04 | 2010-11-04 | Brake pedal mechanism capable of preventing collision injuries |
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| CN (1) | CN101982354B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013136166A1 (en) * | 2012-03-15 | 2013-09-19 | Ksr Tecnologies Co. | Pedal assembly having a pedal arm release |
| CN103569077A (en) * | 2012-07-19 | 2014-02-12 | 巴兹汽车系统(昆山)有限公司 | Crumple mechanism with pedal arm |
| KR101704084B1 (en) * | 2012-10-25 | 2017-02-07 | 현대자동차주식회사 | Pedal apparatus for protection automobile driver |
| CN108688936A (en) * | 2018-05-29 | 2018-10-23 | 上海鸿研物流技术有限公司 | A kind of carrier |
| JP6866331B2 (en) * | 2018-07-10 | 2021-04-28 | 豊田鉄工株式会社 | Vehicle operation pedal device |
| CN109747606A (en) * | 2018-11-30 | 2019-05-14 | 芜湖普威技研有限公司 | A kind of shrinkable pedal support |
| CN110667543B (en) * | 2019-10-28 | 2021-04-13 | 吉林大学 | Brake pedal feeling simulation device and method for driving habit classification |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101081614A (en) * | 2006-05-31 | 2007-12-05 | 日产自动车株式会社 | Brake pedal apparatus for automobile |
| CN101367375A (en) * | 2008-05-07 | 2009-02-18 | 奇瑞汽车股份有限公司 | Brake treadle apparatus of automobile and security protection method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100534961B1 (en) * | 2003-10-13 | 2005-12-08 | 현대자동차주식회사 | Brake pedal for preventing injury of driver in collision |
| JP2006059300A (en) * | 2004-08-24 | 2006-03-02 | Mazda Motor Corp | Pedal for vehicle |
| KR100757602B1 (en) * | 2006-07-21 | 2007-09-10 | 현대자동차주식회사 | Device for preventing shifting of brake pedal in vehicle |
-
2010
- 2010-11-04 CN CN201010532763.2A patent/CN101982354B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101081614A (en) * | 2006-05-31 | 2007-12-05 | 日产自动车株式会社 | Brake pedal apparatus for automobile |
| CN101367375A (en) * | 2008-05-07 | 2009-02-18 | 奇瑞汽车股份有限公司 | Brake treadle apparatus of automobile and security protection method thereof |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2005-119641A 2005.05.12 |
| JP特开2006-59300A 2006.03.02 |
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| CN101982354A (en) | 2011-03-02 |
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