CN104149613B - A kind of assistance type clutch pedal assembly - Google Patents
A kind of assistance type clutch pedal assembly Download PDFInfo
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- CN104149613B CN104149613B CN201410425040.0A CN201410425040A CN104149613B CN 104149613 B CN104149613 B CN 104149613B CN 201410425040 A CN201410425040 A CN 201410425040A CN 104149613 B CN104149613 B CN 104149613B
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- pedal
- arm
- pressure arm
- needle roller
- guide pipe
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Abstract
The invention provides a kind of assistance type clutch pedal assembly, including pedal arm and pedal support, described pedal arm one end is provided with pedal tread, the other end is connected by rotating assembly with described pedal support, described rotating assembly includes: guide pipe, turn, sleeve pipe and needle roller, described guide pipe is fixing with described pedal arm to be connected, described turn has the circle body being solidly set on described guide pipe and the pressure arm extended from described circle body, described pressure arm coordinates with described shell clearance, in described needle roller pressure arm depressed part between described pressure arm and described sleeve pipe, under original state, described needle roller is positioned at the top of described pressure arm depressed part and described pressure arm is pressed to described circle body thus providing tensile force, described tensile force is made to taper into along with described pedal arm rotates described needle roller to the bottom rolling of described pressure arm depressed part。The present invention can solve the problem that and solves to step under assistance type clutch pedal assembly the bad problem of return after the stepping on empty sense and unclamp pedal of starting stage。
Description
Technical field
The present invention relates to driven by clutches field, be specifically related to assistance type clutch pedal assembly。
Background technology
For the automobile of hand gear, clutch is by the vitals of speed change, and meanwhile, the use of clutch has also functioned to distribution power, ensures the multiple important use such as braking。
At present the comfortableness of motor vehicle operator control system is required more and more higher, one of device frequently handled when clutch pedal is as gearshift, its handling comfort is obviously extremely important for driver, if possessing good maneuvering performance, the manipulation intensity of driver can be reduced on the one hand, manipulation feeling of high class and comfortableness can be given on the other hand。
Tradition clutch pedal generally has two kinds of structures。One is resistance structure, and another is boosting mechanism。Resistance structure is only applicable to the less situation of clutch system separating force (being usually compact car), and the scope of application is less, more often will bring bigger steering force simultaneously, and comfortableness is not good enough。Boosting mechanism clutch pedal relies on boost pump or motor or torsion spring to provide power-assisted, it is possible to possesses less steering force, is used for medium-sized and large car。But for assistance type clutch pedal, under starting stage of stepping on be easy to be caused " stepping on empty sense " by boosting mechanism and " pedal return delayed or cannot return " problem occurs after stepping under completing。Prior art has the technical scheme installing torsion spring on clutch pedal assembly, under overstep in journey, resistance was provided for pedal arm before the moment of torsion flex point of torsion spring, power-assisted is provided after arriving moment of torsion flex point, but first, hydraulic performance decline after torsion spring structure existence use fatigue, affect handling comfort and integrity problem, particularly moment of torsion flex point can change after using fatigue and even lose efficacy, therefore existing clutch pedal assembly travels after the regular period at vehicle, and still there will be " stepping on sky " or " return is delayed " even cannot the problem of return。Secondly, increase torsion spring and arrangement space is proposed requirements at the higher level, it is necessary to consider dodge pedal arm peripheral structure and avoid the stuck pedal arm of torsion spring itself to cause pedal arm to rotate。
Summary of the invention
Present invention aim to address and under assistance type clutch pedal assembly, step on the bad problem of return after the stepping on empty sense and unclamp pedal of starting stage, The embodiment provides following technical scheme for this:
A kind of assistance type clutch pedal assembly, including pedal arm and pedal support, described pedal arm one end is provided with pedal tread, the other end is connected by rotating assembly with described pedal support, described rotating assembly includes: guide pipe, turn, sleeve pipe and needle roller, described guide pipe is fixing with described pedal arm to be connected, described turn has the circle body being solidly set on described guide pipe and the pressure arm extended from described circle body, described pressure arm coordinates with described shell clearance, in described needle roller pressure arm depressed part between described pressure arm and described sleeve pipe, under original state, described needle roller is positioned at the top of described pressure arm depressed part and described pressure arm is pressed to described circle body thus providing tensile force, described tensile force is made to taper into along with described pedal arm rotates described needle roller to the bottom rolling of described pressure arm depressed part。
Preferably, described turn is multiple and along the axial close-packed arrays of described guide pipe。
Preferably, above-mentioned assistance type clutch pedal assembly also includes anti-attrition set, described guide pipe or described pedal arm and is enclosed within described anti-attrition and puts。
Preferably, described pressure arm is multiple and circumferentially extends。
Preferably, described pedal arm has pin-and-hole。
Preferably, when described needle roller is positioned at the bottom of described pressure arm depressed part, described needle roller keeps described pressure arm is pressed to described circle body。
Rotating shaft between pedal arm and pedal support is improved by the present invention, the rotating shaft being pedal arm with guide pipe, by the pressure arm of the turn on guide pipe and needle roller under step on the starting stage resistance be provided, avoid stepping on empty sense to produce, and along with under step on and make the tensile force of turn diminish, under step on resistance and diminish, the power-assisted effect of existing boosting mechanism is not produced to hinder by substantially, and pedal arm return process contrast, turn can order about the timely return of pedal arm。Being additionally, since the present invention is the improvement that the pivot structure between pedal arm and pedal support is carried out, and is integrated in by spring structure in pedal arm rotating shaft, compared with increasing the structures such as torsion spring with in other position, takes up room little。Further, the present invention changes the pressure arm to turn by the movement locus of needle roller to apply to deform thus exporting stable resistance smoothly, so possessing higher reliability。
Accompanying drawing explanation
Next in conjunction with accompanying drawing, specific embodiments of the invention will be described in further detail, wherein:
Fig. 1 is the axonometric chart of the assistance type clutch pedal assembly of embodiments of the invention；
Fig. 2 is the axonometric chart of remaining structure after being removed by the pedal support in Fig. 1；
Fig. 3 is the explosive view of the structure in Fig. 2, and eliminates bolt；
Fig. 4 is the left side view of the structure in Fig. 2, and eliminates bolt；
Fig. 5 is the sectional view of the line A-A along Fig. 4；
Fig. 6 is the sectional view of the line B-B along Fig. 5；
Fig. 7 is the view after the guide pipe in Fig. 6 rotates to an angle。
Description of symbols in upper figure: 1, assistance type clutch pedal assembly；2, pedal arm；3, pedal tread；4, rotating assembly；4.1, bolt；5, pin-and-hole；6, pedal support；7, the first anti-attrition set；8, sleeve pipe；9, turn；9.1, circle body；9.2, pressure arm；9.3, pressure arm depressed part；9.4, top；9.5, bottom；10, the second anti-attrition set；11, guide pipe。
Detailed description of the invention
In conjunction with Fig. 1, Fig. 2, the assistance type clutch pedal assembly 1 in the present embodiment includes pedal arm 2 and pedal support 6, and pedal arm 2 one end is provided with pedal tread 3, and the other end is connected by rotating assembly 4 with pedal support 6。From external structure, this assistance type clutch pedal assembly 1 there is no great difference with prior art。
Fig. 2 to Fig. 6 illustrates the internal structure of rotating assembly 4。Rotating assembly 4 includes guide pipe 11, turn 9, sleeve pipe 8 and needle roller the 12, first anti-attrition set the 7, second anti-attrition set 10。Guide pipe 11 is connected by the modes such as welding are fixing with pedal arm 2, and guide pipe 11 had both played the rotary steering effect of turn 9, also acted as the effect of the rotating shaft of pedal arm 2。Apparent from Fig. 6, turn 9 has the solid set (interference fit) circle body 9.1 on guide pipe 11, with the multiple pressure arms 9.2 starting first radially circumferentially to go out again from circle body 9.1, therefore pedal tread 3 is instantly stepped on when making pedal arm 2 rotate, guide pipe 11 rotates, and drives turn 9 to rotate。Between pressure arm 9.2 and circle body 9.1, there is gap so that pressure arm 9.2 can towards circle body 9.1 deformation thus providing elastic force。From Fig. 3, Fig. 5, turn 9 is multiple, along the axial close-packed arrays of guide pipe 11, namely makes δ=0 in Fig. 5。Apparent from Fig. 6, pressure arm 9.2 is provided with pressure arm depressed part 9.3, is used for holding needle roller 12。After turn 9 is enclosed within guide pipe 11, sleeve pipe 8 is enclosed within the outside of turn 9, and makes pressure arm 9.2 and sleeve pipe 8 matched in clearance, be inserted in the pressure arm depressed part 9.3 that needle roller 12 makes needle roller 12 between pressure arm 9.2 and sleeve pipe 8。Then as shown in Figure 3 and Figure 5, the first anti-attrition is overlapped 7 and is inserted into guide pipe 11 by the left side from Fig. 5, and 10 insertion guide pipes 11 are overlapped in the second anti-attrition by the right side from Fig. 5。One of effect of first anti-attrition set 7 and the second anti-attrition set 10 is so that guide pipe 11 and pedal arm 2 are enclosed within anti-attrition and put and freely rotatable can reduce friction, is prevent needle roller 12 in sleeve pipe 8 and turn 9 from deviating from the other hand。Finally, with bolt 4.1 through pedal support 6 and the first anti-attrition set 7, guide pipe 11, pedal arm 2 and the second anti-attrition set 10, fasten with nut。Sleeve pipe 8 is fixed on the first anti-attrition set 7 or is directly anchored on pedal support 6 so that sleeve pipe 8 does not rotate with pedal arm 2。Certainly, those skilled in the art should it is envisioned that, additionally it is possible to cancel anti-attrition set and make guide pipe 11 directly rotate on bolt 4.1, and stop the deviating from of inner body of sleeve pipe 8 with pedal support 6。Pin-and-hole 5 on pedal arm 2 is used for connecting Clutch main cylinder push rod, when pedal arm 2 moves downward, by pin-and-hole 5 place, pedal force is passed to clutch, thus realizing separation and the combination of clutch。
In conjunction with Fig. 6, Fig. 7, under original state, when namely not stepping on pedal tread 3 down, needle roller 12 is positioned at top 9.4 place of pressure arm depressed part 9.3, pressure arm 9.2 is pressed to circle body 9.1 thus providing tensile force, so under step on beginning time would not there is stepping on empty sense。Along with under step on pedal tread 3, pedal arm 2 rotates along direction as indicated by the arrows in fig. 5, guide pipe 11 is driven to rotate on the first anti-attrition set 7 and the second anti-attrition set 10, guide pipe 11 drives turn 9 to rotate again, simultaneously needle roller 12 rolls along the contour line of pressure arm depressed part 9.3 towards the bottom 9.5 of pressure arm depressed part 9.3 and makes the tensile force of turn 9 taper into, when arriving the lower limit position of pedal arm again, needle roller 12 is positioned at bottom 9.5 place of pressure arm depressed part 9.3, as shown in Figure 7。When needle roller 12 is positioned at 9.5 place, bottom of pressure arm depressed part 9.3, the tensile force of turn 9 is minimum, it is also possible to be zero, but now needle roller 12 keeps pressure arm 9.2 is pressed to circle body 9.1, thus remaining some tensile forces have advantage, this can make pedal arm 2 return as early as possible。During pedal arm 2 return, the work process contrast of rotating assembly 4, it is ensured that the timely return of pedal arm and return put in place。Visible, the employing of rotating assembly 4, make guide pipe 11 as the rotating shaft of pedal arm 2, by the pressure arm 9.2 of the turn 9 on guide pipe 11 and needle roller 12 under step on the starting stage resistance be provided, avoid and step on empty sense generation, and along with under step on the needle roller 12 rolling in pressure arm depressed part 9 and make the tensile force of turn 9 taper into, under step on resistance and diminish, under step on resistance and substantially do not produce the power-assisted effect of the boosting mechanisms such as existing boost pump to hinder, and pedal arm 2 return process contrast, turn 9 can order about the timely return of pedal arm 2。Being additionally, since the present invention is the improvement that the pivot structure between pedal arm 2 and pedal support 6 is carried out, and is integrated in by spring structure in pedal arm rotating assembly 4, no longer takies other space on pedal support 6, takes up room little。Further, the present invention changes the pressure arm 9.2 to turn 9 by the movement locus of needle roller 12 to apply to deform thus exporting stable resistance smoothly, so possessing higher reliability。And the compact arranged employing of the existence of multiple pressure arm 9.2 and circumferentially extending mode, multiple turn 9, when one or several pressure arms 9.2 or one or several turns 9 were lost efficacy, other pressure arm 9.2 or turn 9 remain able to work, and reliability improves further。
Although the present invention is described in conjunction with above example, but the present invention is not limited to above-described embodiment, and it being only limited by the restriction of claim, it easily can be modified and change by those of ordinary skill in the art, but and without departing from the essential idea of the present invention and scope。
Claims (6)
1. an assistance type clutch pedal assembly, including pedal arm and pedal support, one end of described pedal arm is provided with pedal tread, the other end of described pedal arm is connected by rotating assembly with described pedal support, it is characterized in that, described rotating assembly includes: guide pipe, turn, sleeve pipe and needle roller, described guide pipe is fixing with described pedal arm to be connected, described turn has the circle body being solidly set on described guide pipe and the pressure arm extended from described circle body, described pressure arm coordinates with described shell clearance, in described needle roller pressure arm depressed part between described pressure arm and described sleeve pipe, under original state, described needle roller is positioned at the top of described pressure arm depressed part and described pressure arm is pressed to described circle body thus providing tensile force, described tensile force is made to taper into along with described pedal arm rotates described needle roller to the bottom rolling of described pressure arm depressed part。
2. assistance type clutch pedal assembly according to claim 1, it is characterised in that described turn is multiple and along the axial close-packed arrays of described guide pipe。
3. assistance type clutch pedal assembly according to claim 1, it is characterised in that also include anti-attrition set, described guide pipe or described pedal arm and be enclosed within described anti-attrition and put。
4. assistance type clutch pedal assembly according to claim 1, it is characterised in that described pressure arm is multiple and circumferentially extends。
5. assistance type clutch pedal assembly according to claim 1, it is characterised in that on described pedal arm, there is pin-and-hole。
6. assistance type clutch pedal assembly according to claim 1, it is characterised in that when described needle roller is positioned at the bottom of described pressure arm depressed part, described needle roller keeps described pressure arm is pressed to described circle body。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410425040.0A CN104149613B (en) | 2014-08-26 | 2014-08-26 | A kind of assistance type clutch pedal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410425040.0A CN104149613B (en) | 2014-08-26 | 2014-08-26 | A kind of assistance type clutch pedal assembly |
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| Publication Number | Publication Date |
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| CN104149613A CN104149613A (en) | 2014-11-19 |
| CN104149613B true CN104149613B (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410425040.0A Active CN104149613B (en) | 2014-08-26 | 2014-08-26 | A kind of assistance type clutch pedal assembly |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05262210A (en) * | 1992-03-18 | 1993-10-12 | Toyota Motor Corp | Brake operating device |
| CN2539660Y (en) * | 2002-03-25 | 2003-03-12 | 朱纯芳 | Improved clutch pedal |
| CN101054063A (en) * | 2007-05-29 | 2007-10-17 | 邓瑞祥 | Automobile accelerator over-force conversion braking device |
| CN201566600U (en) * | 2009-07-23 | 2010-09-01 | 芜湖伯特利汽车安全系统有限公司 | Novel automobile-used pedal device |
| CN203005095U (en) * | 2012-12-03 | 2013-06-19 | 浙江吉利汽车研究院有限公司杭州分公司 | Automobile clutch pedal mechanism |
| CN103587415A (en) * | 2012-08-16 | 2014-02-19 | 通用汽车环球科技运作有限责任公司 | Return force generator for clutch system |
-
2014
- 2014-08-26 CN CN201410425040.0A patent/CN104149613B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05262210A (en) * | 1992-03-18 | 1993-10-12 | Toyota Motor Corp | Brake operating device |
| CN2539660Y (en) * | 2002-03-25 | 2003-03-12 | 朱纯芳 | Improved clutch pedal |
| CN101054063A (en) * | 2007-05-29 | 2007-10-17 | 邓瑞祥 | Automobile accelerator over-force conversion braking device |
| CN201566600U (en) * | 2009-07-23 | 2010-09-01 | 芜湖伯特利汽车安全系统有限公司 | Novel automobile-used pedal device |
| CN103587415A (en) * | 2012-08-16 | 2014-02-19 | 通用汽车环球科技运作有限责任公司 | Return force generator for clutch system |
| CN203005095U (en) * | 2012-12-03 | 2013-06-19 | 浙江吉利汽车研究院有限公司杭州分公司 | Automobile clutch pedal mechanism |
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| Publication number | Publication date |
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| CN104149613A (en) | 2014-11-19 |
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Inventor after: Sun Jinsong Inventor after: Ma Cheng Inventor after: Wang Jiang Inventor after: Sun Jinsong, Ma Cheng, Wang Jiang, Wang Zhiqiang Inventor before: Tang Jun Inventor before: Li Guangming Inventor before: Ma Cheng Inventor before: Wang Jiang |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automotive Co., Ltd. |