CN101332810B - Retreatment prevention structure of operation pedal - Google Patents

Retreatment prevention structure of operation pedal Download PDF

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Publication number
CN101332810B
CN101332810B CN2008101286299A CN200810128629A CN101332810B CN 101332810 B CN101332810 B CN 101332810B CN 2008101286299 A CN2008101286299 A CN 2008101286299A CN 200810128629 A CN200810128629 A CN 200810128629A CN 101332810 B CN101332810 B CN 101332810B
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CN
China
Prior art keywords
pedal
width direction
overall width
retreatment
pedal arm
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Expired - Fee Related
Application number
CN2008101286299A
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Chinese (zh)
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CN101332810A (en
Inventor
滨野博史
栉田浩
小野正义
石井和土
古庄孝行
古谷雅之
川本笃史
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Mazda Motor Corp
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Mazda Motor Corp
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Publication of CN101332810A publication Critical patent/CN101332810A/en
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Publication of CN101332810B publication Critical patent/CN101332810B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Braking Elements And Transmission Devices (AREA)
  • Body Structure For Vehicles (AREA)
  • Mechanical Control Devices (AREA)

Abstract

The invention relates to a return stopping structure of an operation pedal without upsizing its structure, the invention may prevent great return of the operation pedal when vehicles crashes happen, and also the operation pedal is prevented from swinging outside. In the structure, an instrument panel lower tube (21) extending in vehicle width direction is arranged behind a pedal arm (11) of a brake pedal (10), the tube is used for limiting the pedal arm (11) of the brake pedal (10) from swinging outside in width direction of the vehicle in crash, and a swing limiting component (30) extending from the tube (21) to front of the vehicle body and at outer side of the pedal arm in vehicle direction is arranged.

Description

The Retreatment prevention structure of operating pedal
Technical field
The present invention relates to the Retreatment prevention structure of operating pedal, particularly relate to the structure that prevents operating pedal swing limiting part of side oscillation outside the overall width direction when being provided with collision happens.
Background technology
As the Retreatment prevention structure of brake pedal, known for example have the open communique spy of Japanese Patent open flat 10-250624 number disclosed structure.In the pedal for vehicle displacement control structure that this patent documentation is put down in writing; Disclose a kind of structure that the positive rectangular pressing component that extends to vehicle body the place ahead is set of on the instrument plate-girder that sets up along the overall width direction, giving prominence to, worked as collision happens, when brake pedal is retreated; The leading section of the pedal arm butt pressing component of brake pedal; Thereby this leading section deforms, and the energy when absorbing the butt of brake pedal thus suppresses brake pedal and significantly retreats.
In general; The overall width direction outside portion of body forward structure is provided with longeron, hinge pillar (hinge pillar) etc.; Therefore, the rigidity of this part is higher than the overall width direction central portion of vehicle body, so when collision happens; The overall width direction central portion of vehicle body is than the overall width direction outside portion easy deformation of vehicle body, and its amount of retreating is also big.Therefore, when collision happens,, take place sometimes that brake pedal is retreated and the situation of side oscillation outside the overall width direction (moving) along with the retreating of dash shield.At this moment, for example vehicle is the right side when putting the bearing circle automobile, because brake pedal is to the acceleration pedal side oscillation in the overall width direction outside that is arranged on this brake pedal, therefore, even chaufeur also might damage foot just at step on the accelerator this moment.
But, in the structure of above-mentioned patent documentation, as desiring to tackle simultaneously the swing to the overall width direction outside of brake pedal, the overall width direction length of the pressing component that then need extend, thereby the problem of generation structure large-scaleization.
Summary of the invention
The objective of the invention is to, in the Retreatment prevention structure of operating pedal, need not, can prevent when collision happens that operating pedal from significantly retreating, and can prevent pedal side oscillation outside the overall width direction structure large-scaleization.
As the structure that solves above-mentioned problem; The present invention is that a kind of pedal arm rear at operating pedal is provided with the instrument plate-girder that extends along the overall width direction; Retreating of pedal arm during based on collision happens makes this pedal arm be connected to above-mentioned instrument plate-girder; Thereby the Retreatment prevention structure that suppresses the operating pedal of retreating of operating pedal; It is characterized in that, be provided with from above-mentioned instrument plate-girder and extend and be positioned at the swing limiting part in the overall width direction outside of above-mentioned pedal arm, the parts of restriction pedal arm side oscillation outside the overall width direction with as collision happens the time to vehicle body the place ahead.
In the said structure,, therefore,, during operating pedal backboard, can bear operating pedal effectively through rigidity height and the long instrument plate-girder of overall width direction in collision happens owing to be provided with the instrument plate-girder that extends along the overall width direction at the pedal arm rear of operating pedal.Therefore, the operating pedal rear of instrument plate-girder that stands fast during collision happens, thus can prevent the foot of chaufeur is caused damage.
In addition; Owing to be provided with the swing limiting part that extends and be positioned at the overall width direction outside of above-mentioned pedal arm from the instrument plate-girder to vehicle body the place ahead; To limit pedal arm side oscillation outside the overall width direction through this swing limiting part; Therefore, even when for example chaufeur is being trampled the situation of acceleration pedal in the overall width direction outside that is arranged on operating pedal, also can prevent the foot of chaufeur is caused damage.And such effect only can realize through the swing limiting part is set on the instrument plate-girder, and is therefore of the present invention simple in structure and volume is little, can implement at lower cost.
In the said structure, comparatively it is desirable to, above-mentioned pedal arm is provided with the butt support that extends to above-mentioned instrument carrier panel beam side.
Adopt this structure,, during operating pedal backboard, can will pass to the instrument plate-girder effectively from the load of operating pedal through the butt support in collision happens.
In the said structure; Comparatively it is desirable to; Inboard in the overall width direction of above-mentioned swing limiting part, be provided with from above-mentioned instrument plate-girder to vehicle body the place ahead extend, during in collision happens and the abutting part of the butt support butt that is provided with of above-mentioned pedal arm or this pedal arm.
Adopt this structure, work as collision happens, during operating pedal backboard,, can the load from operating pedal be passed to the instrument plate-girder effectively through making the abutting part of the butt support butt swing limiting part that is provided with on pedal arm or this pedal arm.
In addition, in the said structure, comparatively it is desirable to, above-mentioned swing limiting part and above-mentioned abutting part are formed " L " shape by integrated.
Adopt this structure,, therefore can limit pedal arm side oscillation outside the overall width direction more effectively owing to can improve the rigidity of swing limiting part and abutting part effectively.
In addition, in the said structure, comparatively it is desirable to, above-mentioned instrument plate-girder is connected with the hinge pillar that supports side door through inserting and be screwed together in the bolt of its end.
Adopt this structure, the Joint strenght of instrument plate-girder and hinge pillar significantly improves, and in collision happens, under the situation of operating pedal backboard, instrument plate-girder capable of using bears operating pedal effectively.
The concrete example of aforesaid operations pedal is not done special qualification, for example, and the situation when the present invention can be applied to the aforesaid operations pedal ideally and is brake pedal.
Description of drawings
Fig. 1 is the integrally-built left side view of Retreatment prevention structure that expression relates to the operating pedal of first embodiment of the invention.
Fig. 2 is the back view of the Retreatment prevention structure of operating pedal.
Fig. 3 is the right side view of the Retreatment prevention structure of operating pedal.
Fig. 4 is the block diagram that slightly tiltedly the place ahead from the right side of the Retreatment prevention structure of operating pedal is seen.
Fig. 5 is the block diagram of seeing from rear side of wanting portion of the Retreatment prevention structure of operating pedal.
Fig. 6 is the figure of second embodiment, and is suitable with Fig. 2.
Fig. 7 is the figure of second embodiment, and is suitable with Fig. 4.
Fig. 8 is the sectional elevation of the connection structure of expression instrument carrier panel lower tube and hinge pillar.
Fig. 9 is the birds-eye view of wanting portion of the Retreatment prevention structure of operating pedal.
Figure 10 is the cutaway view along X-X line among Fig. 9.
The specific embodiment
First embodiment
Below, based on accompanying drawing embodiments of the invention are described.
As shown in Figure 1; Be equipped with the Retreatment prevention structure of operating pedal of the present invention in the automobile 1; Near and be provided with the dash shield 4 of separating car chamber 2 and engine room 3, and the car neck 5 etc. that is connected and the upside of this dash shield 4, extends setting with dash shield 4 along the overall width direction.
Foot's accommodation space 6 of occupant foot be can take in the rear side setting of dash shield 4, brake pedal 10 (operating pedal) and acceleration pedal (diagram is omitted) in foot's accommodation space 6 of driver's seat side, are provided with.Be provided with brake servo unit 18 that strengthens the pedal force that puts on brake pedal 10 and the main hydraulic cylinder 19 that will convert hydraulic pressure into by the pressure that brake servo unit 18 is strengthened in the front side of dash shield 4.Between brake pedal 10 and brake servo unit 18, be provided with the brake side bindiny mechanism 17 that connects brake pedal 10 and brake servo unit 18.
Like Fig. 1~shown in Figure 4, brake pedal 10 has pedal arm 11 that rearward is bent to form and the bottom that is arranged at pedal arm 11 and supplies chaufeur to apply the tread portion 12 of pedal force.Brake pedal 10,13 bonded assemblys of connecting portion through pedal arm 11 upper ends are the pedal supporting bracket 14 of the open shape in below, and being pivotably connected is supported in dash shield 4.In addition, graphic automobile 1 is that the bearing circle automobile is put on the right side, so the right side of brake pedal 10 is the overall width direction outside, and the left side is that the overall width direction is inboard.
The right side of pedal arm 11 is provided with along the vertical direction roughly linearly shape and extends and connect the above-below direction central portion of pedal arm 11 and the reinforced support 15 of connecting portion 13.In addition, in the overall width direction arranged outside of brake pedal 10 acceleration pedal is arranged, this acceleration pedal is supported in dash shield 4 through being pivotably connected with above-mentioned pedal supporting bracket 14 same supports.
Below, based on Fig. 1~Fig. 5 the Retreatment prevention structure of the operating pedal of car chamber 2 sides that are arranged at automobile 1 is described.
In the Retreatment prevention structure of operating pedal, be provided with: be positioned at the rear of car neck 5, along the instrument carrier panel upper tube 20 of overall width direction extension; Be positioned at the below of instrument carrier panel upper tube 20 and be positioned at the rear of the pedal arm 11 of brake pedal 10, the instrument carrier panel lower tube 21 (it is equivalent to the instrument plate-girder) of extending along the overall width direction; The swing limiting part 30 of the steel of restriction pedal arm 11 side oscillation outside the overall width direction etc. during collision happens.
The right ends of instrument carrier panel lower tube 21 is respectively arranged with flange part 22, and instrument carrier panel lower tube 21 engages with the not shown hinge pillar that supports side door through these flange parts 22.During collision happens, under the situation that brake pedal 10 is retreated, the pedal arm 11 of brake pedal 10 is connected to the front part of instrument carrier panel lower tube 21, thereby brake pedal 10 is born by instrument carrier panel lower tube 21.In addition, the right ends of instrument carrier panel upper tube 20 also engages with hinge pillar.
In the front part of instrument carrier panel lower tube 21, be fixed with the swing limiting part 30 that the side-looking of extending to vehicle body the place ahead is " コ " shape.This swing limiting part 30 is arranged on from the pedal arm 11 of brake pedal 10 on the overall width direction outside (right side) is separated by the position of about 10mm.
Below, swing limiting part 30 is described.
Like Fig. 1~shown in Figure 5, swing limiting part 30 has upper plate portion 30a, preceding board 30b and lower board unit 30c, on upper plate portion 30a and lower board unit 30c, respectively is formed with the 30d of former and later two hole portions respectively.The front and back length of upper plate portion 30a is bigger slightly than the front and back length of lower board unit 30c; The above-below direction central portion of the rear end of lower board unit 30c and instrument carrier panel lower tube 21 passes through welded joint; And the upper portion of the rearward end of upper plate portion 30a and instrument carrier panel lower tube 21 passes through welded joint; Thus, swing limiting part 30 forms box-like closed sectional with instrument carrier panel lower tube 21.
Swing limiting part 30 extends to vehicle body the place ahead from instrument carrier panel lower tube 21, and in collision happens, under the situation of brake pedal 10 side oscillation outside the overall width direction, pedal arm 11 can be connected to the left end of swing limiting part 30.As stated; Be engaged in instrument carrier panel lower tube 21 and form the above-mentioned swing limiting part 30 of box-like closed sectional through welding with this instrument carrier panel lower tube 21; Since have the rigidity intensity of the pedal arm 11 of side oscillation outside the overall width direction when bearing collision happens fully, therefore, even when collision happens; Under the situation of brake pedal 10 side oscillation outside the overall width direction, also can limit brake pedal 10 side oscillation outside the overall width direction effectively.
Below, effect, the effect of the Retreatment prevention structure of operating pedal described.
Work as collision happens, when brake pedal 10 along with retreating of dash shield 4, pedal arm 11 was connected to instrument carrier panel lower tube 21, thereby stops brake pedal 10, and shown in two long and short dash lines among Fig. 1, forwards swing the bottom of brake pedal 10.At this moment, even brake pedal 10 side oscillation outside the overall width direction, brake pedal 10 also can be stopped by swing limiting part 30, thereby the swing to the overall width direction outside of this brake pedal 10 is restricted.
Like this, adopt the structure of above-mentioned first embodiment, work as collision happens, when brake pedal 10 is retreated, bear brake pedal 10 effectively through the long instrument carrier panel lower tube 21 of overall width direction that rigidity is high.Therefore, during collision happens, operating pedal 10 can not retreat into the rear of instrument carrier panel lower tube 21, thereby can prevent the foot of chaufeur is caused damage.
In addition; Owing to be provided with the swing limiting part 30 that extends and be positioned at the overall width direction outside of above-mentioned pedal arm 11 from instrument carrier panel lower tube 21 to vehicle body the place ahead; To limit pedal arm 11 side oscillations outside the overall width direction through this swing limiting part 30; Therefore, even trampling at chaufeur under the situation of acceleration pedal in the overall width direction outside that is arranged on brake pedal 10, also can prevent the foot of chaufeur is caused damage.And such effect only can realize through swing limiting part 30 is set on instrument carrier panel lower tube 21, and is therefore of the present invention simple in structure and volume is little, can implement at lower cost.
In addition, because swing limiting part 30 forms closed sectional with instrument carrier panel lower tube 21, therefore, the rigidity intensity of swing limiting part 30 improves, and can limit pedal arm 11 side oscillation outside the overall width direction effectively.
Second embodiment
Below, based on Fig. 6~Figure 10 the Retreatment prevention structure of the operating pedal that relates to second embodiment is described.But, pay identical symbol for structure same as the previously described embodiments, only to different the describing of structure.
In the Retreatment prevention structure of this operating pedal, instrument carrier panel lower tube 21 is provided with overlooks the swing limit bracket 30A that is " L " shape, and the pedal arm 11 of brake pedal 10 is provided with the butt support 40 that side-looking is " L " shape.
Swing limit bracket 30A constitutes by the abutting part 35a that extends along the overall width direction with from the forwards outstanding swing limiting part 35b of the right-hand member of abutting part 35a is integrated.And, the rear end of swing limit bracket 30A, with the above-below direction centre of swing limit bracket 30A in the state of the above-below direction central part of instrument carrier panel lower tube 21, through the front part of welded joint in instrument carrier panel lower tube 21.In addition, on swing limit bracket 30A, the scope from the back quadrate part of swing limiting part 35b to the right part of abutting part 35a is formed with otch 35c.
On the right side of pedal arm 11, be formed with along the vertical direction and extend and the butt support 40 that extends to instrument carrier panel lower tube 21 sides the bottom, through this butt support 40, the above-below direction central portion of pedal arm 11 is connected mutually with connecting portion 13.The rear end of butt support 40 is positioned at the tight front side of the abutting part 35a of swing limit bracket 30A, works as collision happens, when rear brake pedal 10 is retreated, and butt support 40 and abutting part 35a butt.
In addition, butt support 40 is arranged between the swing limiting part 35b of its right flank and swing limit bracket 30A and vacates on about 10mm position at interval.When collision happens, under the situation of brake pedal 10 side oscillation outside the overall width direction,, come to limit effectively brake pedal 10 side oscillation outside the overall width direction through butt support 40 and swing limiting part 35b butt.
Below, instrument carrier panel lower tube 21 and hinge pillar 37 connection structure connecting are described.
In order to connect instrument carrier panel lower tube 21 and hinge pillar 37; As shown in Figure 8; Nut part 38 is inserted among the internal thread part 21a of the right ends portion that is formed at instrument carrier panel lower tube 21, and both are screwed togather, under this state; Bolt 39 is inserted in hinge pillar 37 and the nut part 38, and make this bolt 39 be screwed together in nut part 38.Thus, just for example to be mounted along the compressed state of its length direction, the right ends portion of this instrument carrier panel lower tube 21 is connected with hinge pillar 37 respectively instrument carrier panel lower tube 21.
Like this; In a second embodiment; Because the pedal arm 11 of brake pedal 10 is provided with the butt support 40 that extends to instrument carrier panel lower tube 21 sides, therefore, works as collision happens; When brake pedal 10 is retreated, through butt support 40 can be effectively the load of the pedal of self-retention in the future 10 pass to instrument carrier panel lower tube 21.
In addition; Overall width direction at swing limiting part 35b is inboard, be provided with from instrument carrier panel lower tube 21 to vehicle body the place ahead extend, during in collision happens and the abutting part 35a of butt support 40 butts, therefore; In collision happens; Under the situation that brake pedal 10 is retreated, be connected to abutting part 35a through making butt support 40, the load of the pedal of self-retention in the future 10 passes to instrument carrier panel lower tube 21 effectively.
In addition; Because abutting part 35a and swing limiting part 35b are set up as being formed integrally as a part of overlooking the swing limit bracket 30A that is " L " shape, therefore; Can improve its rigidity effectively, limit pedal arm 11 side oscillation outside the overall width direction more effectively.
In addition; Because instrument carrier panel lower tube 21 is connected with the hinge pillar 37 that supports side door through (being bolt 39 and nut part 38 in the present embodiment) such as bolts 39 of inserting and being screwed together in its end; Therefore, instrument carrier panel lower tube 21 significantly improves with the Joint strenght of hinge pillar 37, in collision happens; Under the situation that brake pedal 10 is retreated, instrument carrier panel lower tube 21 capable of using is born brake pedal 10 effectively.
In addition; If instrument carrier panel lower tube 21 is enhanced as above-mentioned with the Joint strenght of hinge pillar 37; So; In conjunction with the overall width direction central portion of the vehicle body situation that overall width direction outside portion deforms more easily, the amount of retreating is also bigger than vehicle body, when retreating of brake pedal 10 was limited based on instrument carrier panel lower tube 21, pedal arm 11 is side oscillation outside the overall width direction more easily just; But, this swing can obtain restriction effectively through the swing limiting part 35b outside the overall width direction that is arranged on pedal arm 11.
Below, the variation of the foregoing description being done the part change is described.
1] in first embodiment, also can with second embodiment likewise, utilize nut part 38 instrument carrier panel lower tube 21 to be connected with hinge pillar with bolt 39.
2] in a second embodiment, for being connected of instrument carrier panel lower tube 21 and hinge pillar 37, also can omit nut part 38 and bolt 39, and utilize the method identical to connect instrument carrier panel lower tube 21 and hinge pillar 37 with first embodiment.In addition, hinge pillar 37 and instrument carrier panel lower tube 21 also can extended state rather than compressive state install.
3] in a second embodiment, also can omit butt support 40, adopt pedal arm 11 self to be positioned at the inboard layout of overall width direction of swing restrictions 35b.
4] in first and second embodiment; Put under the situation of bearing circle automobile for right at automobile 1,, prevent the foot of the chaufeur of trampling the acceleration pedal outside the overall width direction that is arranged at brake pedal 10 is caused damage through the side oscillation to the overall width direction outside of restriction brake pedal 10; But; For example, automobile 1 is put the bearing circle automobile for a left side, when the overall width direction arranged outside of brake pedal 10 has pedal of clutch; Through the side oscillation outside the overall width direction of restriction brake pedal 10, can protect the foot of the chaufeur of trampling above-mentioned pedal of clutch effectively.
5] in addition, the operating pedal as the confined object of swing outside the overall width direction is not limited to brake pedal 10.For example, when automobile 1 is put the bearing circle automobile for the right side, also can be with structure applications of the present invention in the inboard pedal of clutch of the overall width direction that is arranged on brake pedal 10.
6] in addition, those skilled in the art can implement with the embodiment that the foregoing description has been appended various changes under the situation that does not break away from aim of the present invention, and the present invention also comprises such change embodiment.

Claims (6)

1. the Retreatment prevention structure of an operating pedal; Be provided with the instrument plate-girder that extends along the overall width direction at the pedal arm rear of operating pedal; Retreating of pedal arm during based on collision happens makes this pedal arm be connected to said instrument plate-girder, thereby suppresses retreating of operating pedal, it is characterized in that:
Be provided with from said instrument plate-girder and extend and be positioned at the swing limiting part in the overall width direction outside of said pedal arm, the parts of restriction pedal arm side oscillation outside the overall width direction with as collision happens the time to vehicle body the place ahead.
2. the Retreatment prevention structure of operating pedal according to claim 1 is characterized in that:
Said pedal arm is provided with the butt support that extends to said instrument plate-girder side.
3. the Retreatment prevention structure of operating pedal according to claim 1 and 2 is characterized in that:
Inboard in the overall width direction of said swing limiting part, be provided with from said instrument plate-girder to vehicle body the place ahead extend, during in collision happens and the abutting part of the butt support butt that is provided with of said pedal arm or this pedal arm.
4. the Retreatment prevention structure of operating pedal according to claim 3 is characterized in that:
Said swing limiting part and said abutting part are formed " L " shape by integrated.
5. the Retreatment prevention structure of operating pedal according to claim 1 and 2 is characterized in that:
Said instrument plate-girder is connected with the hinge pillar that supports side door through inserting and be screwed together in the bolt of its end.
6. the Retreatment prevention structure of operating pedal according to claim 1 and 2 is characterized in that:
Said operating pedal is a brake pedal.
CN2008101286299A 2007-06-20 2008-06-16 Retreatment prevention structure of operation pedal Expired - Fee Related CN101332810B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007162799A JP2009003636A (en) 2007-06-20 2007-06-20 Retreat prevention structure for operation pedal
JP2007-162799 2007-06-20
JP2007162799 2007-06-20

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CN101332810A CN101332810A (en) 2008-12-31
CN101332810B true CN101332810B (en) 2012-04-18

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