CN111547021B - Novel brake pedal structure of automobile - Google Patents
Novel brake pedal structure of automobile Download PDFInfo
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- CN111547021B CN111547021B CN202010285569.2A CN202010285569A CN111547021B CN 111547021 B CN111547021 B CN 111547021B CN 202010285569 A CN202010285569 A CN 202010285569A CN 111547021 B CN111547021 B CN 111547021B
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- arm
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- connecting shaft
- brake
- connecting arm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/06—Disposition of pedal
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- Braking Elements And Transmission Devices (AREA)
Abstract
Novel brake pedal structure of car, including footboard, footboard arm, brake master cylinder linking arm, first connecting axle, second connecting axle, intermediate link arm. The pedal arm is rotatably connected with the first connecting shaft, the brake main cylinder connecting arm is rotatably connected with the second connecting shaft, and two ends of the middle connecting arm are respectively rotatably connected with the pedal arm and the brake main cylinder connecting arm. Under the non-braking state, the axis of the rotary connection between the intermediate connecting arm and the connecting arm of the brake master cylinder and the axis of the rotary connection between the intermediate connecting arm and the pedal arm are distributed on the lower side and the upper side of a plane determined by the axis of the first connecting shaft and the axis of the second connecting shaft; in a full braking state, the axis of the rotary connection between the intermediate connecting arm and the connecting arm of the brake main cylinder and the axis of the rotary connection between the intermediate connecting arm and the pedal arm are both positioned above a plane defined by the axis of the first connecting shaft and the axis of the second connecting shaft. The beneficial effects are that: it is easy to arrange a relatively ideal automobile brake pedal structure in a relatively small space.
Description
Technical Field
The invention relates to the technical field of automobile structures, in particular to an automobile brake pedal structure.
Background
Automobiles have become an essential vehicle in modern people's everyday lives. The brake pedal of the automobile is a pedal for limiting power, and the brake pedal is used for decelerating and stopping. The existing automobile brake pedal mainly comprises: the pedal comprises a pedal base, a pedal bracket fixedly connected with the pedal base and other structures. When the automobile brake pedal is used, a wheel or a disc is fixed on a high-speed shaft of an automobile, a brake shoe, a belt or a disc which is matched with the wheel or the disc is arranged on a machine base, and the wheel or the disc generates brake torque under the action of the automobile brake pedal. The brake pedal not only relates to the start-stop work of the automobile, but also has influence on the driving experience of a driver due to the structure of the brake pedal. Application No. 201920667241.X, publication No. CN 210101606U, utility model patent document entitled "automobile brake pedal" discloses an automobile brake pedal: the method comprises the following steps: left side backup pad, right side backup pad, left side backup pad fixed orifices, right side backup pad fixed orifices, coil spring, footboard body, rotation axis. The utility model discloses a disclosed automobile brake pedal tries to make things convenient for automobile brake pedal's equipment through carrying out configuration optimization design to left side support board, right side support board to and assemble in the car. However, the output force center connected with the piston of the brake master cylinder is still arranged on the pedal arm of the pedal body, and the problem of large overall occupied space is existed like the structure of the existing automobile brake pedal.
Disclosure of Invention
The invention mainly aims to provide an automobile brake pedal structure which can well solve the problem that a general automobile brake pedal occupies a large space in the Z direction.
The technical scheme adopted by the invention is as follows: a novel brake pedal structure of an automobile comprises a pedal, a pedal arm and a brake master cylinder connecting arm. The pedal is fixedly connected with one end of a pedal arm, and the pedal arm is rotatably connected with a first connecting shaft, one end of which is fixedly connected with the vehicle body; the connecting device also comprises a second connecting shaft and an intermediate connecting arm;
the second connecting shaft is parallel to the first connecting shaft, and one end of the second connecting shaft is fixedly connected with the vehicle body;
the brake master cylinder connecting arm is rotationally connected with the second connecting shaft, and one end of the brake master cylinder connecting arm is provided with a piston connecting hole which is rotationally connected with the free end of the piston of the brake master cylinder through the connecting shaft;
one end of the middle connecting arm is rotatably connected with the pedal arm, and the pedal is positioned outside a plane defined by the axis of the one end of the middle connecting arm, which is rotatably connected with the pedal arm, and the axis of the first connecting shaft;
the other end of the middle connecting arm is rotationally connected with the connecting arm of the brake main cylinder, and the axis of the other end of the middle connecting arm rotationally connected with the connecting arm of the brake main cylinder is positioned outside the plane determined by the axis of the second connecting shaft and the axis of the piston connecting hole;
under the non-braking state, the axis rotationally connected with the connecting arm of the brake main cylinder and the axis rotationally connected with the middle connecting arm and the pedal arm are distributed on the lower side and the upper side of a plane determined by the axis of the first connecting shaft and the axis of the second connecting shaft, and the axis rotationally connected with the connecting arm of the middle connecting arm and the brake main cylinder is positioned on the left side of the axis rotationally connected with the middle connecting arm and the pedal arm;
in a full braking state, the axis of the rotary connection between the intermediate connecting arm and the connecting arm of the brake main cylinder and the axis of the rotary connection between the intermediate connecting arm and the pedal arm are both positioned above a plane defined by the axis of the first connecting shaft and the axis of the second connecting shaft.
In the prior art represented by the background art, the connection relationship between the free end of the piston of the brake master cylinder and the pedal is not clearly shown, but the connection relationship between the free end of the piston of the brake master cylinder and the pedal is presumed according to the connection relationship between the free end of the piston of the brake master cylinder and the pedal, namely the pedal arm of the application, is directly connected, but due to the limitation of the space in the vehicle (especially for some trolleys), the design and the arrangement are difficult, the matching design of related structural parameters is difficult, and in order to obtain a better braking effect, a driver needs to apply a larger foot force to influence the driving experience. The free end of the piston of the brake master cylinder is not directly connected with the pedal arm as in the prior art, the free end of the piston of the brake master cylinder is connected with one end of a brake master cylinder connecting arm which is not available in the prior art, the brake master cylinder connecting arm and the pedal arm are not the same component, the brake master cylinder connecting arm is directly connected with the pedal arm in a rotating mode around a second connecting shaft fixedly connected with a vehicle body, and then is connected with one end of the pedal arm by taking an intermediate connecting arm as a medium.
Preferably, the surface of the pedal is provided with an anti-slip grid structure. This preferred scheme can prevent that the sole from appearing sliding when stepping on the footboard, improves the reliability of braking. Further preferably, the anti-skid grid structure is composed of a plurality of prismatic concave lattices. The prismatic concave grid has the advantage of high antiskid effect.
Preferably, the intermediate connecting arm is a lath piece; a first round surface and a second round surface are arranged between the part where the middle connecting arm is rotatably connected with the pedal arm and the part where the middle connecting arm is rotatably connected with the connecting arm of the brake main cylinder; the first circular surface and the second circular surface are concentric and concave to the first connecting shaft. According to the optimal scheme, the area of the middle connecting arm for shielding the connecting arm and the pedal arm of the brake master cylinder is larger than the area of the straight arm with the same width for shielding the connecting arm and the pedal arm of the brake master cylinder, so that the improvement of the working stability is facilitated.
Preferably, the first connecting shaft and the second connecting shaft are both screws. The screw rod is composed of a threaded section and a polished rod section, the connecting arm of the pedal arm and the brake master cylinder is connected with the polished rod section of the corresponding screw rod, and the threaded section is connected with the corresponding gasket and the corresponding nut.
Preferably, the pedal arm is fixedly provided with a first connecting sleeve; two ends of the first connecting sleeve are exposed outside the pedal arm; the pedal arm is rotatably connected with the first connecting shaft through a first connecting sleeve. Preferably, a second connecting sleeve is fixedly arranged on the connecting arm of the brake master cylinder, and two ends of the second connecting sleeve are exposed out of the connecting arm of the brake master cylinder; the connecting arm of the brake master cylinder is rotatably connected with the second connecting shaft through the second connecting sleeve. According to the optimal scheme, the pedal arm and the first connecting shaft are connected in a rotating mode, and the connecting arm of the brake master cylinder and the first connecting shaft are connected in a rotating mode, so that the reliability and the stability are high.
Preferably, the pedal arm and the connecting arm of the master cylinder have the same thickness, and the portion connected to the intermediate connecting arm is located on the same side of the intermediate connecting arm. This preferred scheme, simple structure is reasonable, and manufacturing and installation are easy.
In conclusion, the beneficial effects of the invention are as follows: the structure is simple and reasonable, the foot force required to be exerted by the driver is smaller and the braking speed is faster under the condition of the same braking force.
Drawings
FIG. 1: the invention is a schematic structural diagram in a non-braking state;
FIG. 2: a right schematic view of the structure of the invention in a non-braking state;
FIG. 3: the structure of the invention is schematically shown in the full braking state.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
As shown in fig. 1 to 3, the present invention includes a pedal 1, a pedal arm 2, a master cylinder connecting arm 3, a first connecting shaft 4, a second connecting shaft 5, and an intermediate connecting arm 6. The surface of the pedal 1 is provided with an anti-skid grid structure, and the anti-skid grid structure is composed of a plurality of prismatic concave grids. The pedal 1 is fixedly connected with one end of the pedal arm 2. One end of the first connecting shaft 4 and one end of the second connecting shaft 5 are fixedly connected with the vehicle body, the first connecting shaft 4 is parallel to the second connecting shaft 5, and the second connecting shaft 5 is located on the right side of the first connecting shaft. Preferably, the first connecting shaft 4 and the second connecting shaft 5 are both screws and comprise a threaded section and a polished rod section;
a first connecting sleeve 2.1 is fixedly arranged on the pedal arm 2; both ends of the first connecting sleeve 2.1 are exposed out of the pedal arm 2; the inner hole of the first connecting sleeve 2.1 is matched with the polished rod section of the first connecting shaft 4, the first connecting sleeve 2.1 is rotatably connected with the first connecting shaft 4, and the threaded section of the first connecting shaft 4 is connected with a corresponding gasket and a nut so as to stabilize the rotation connection of the pedal arm 2 and the first connecting shaft 4;
a second connecting sleeve 3.1 is fixedly arranged on the connecting arm 3 of the brake master cylinder, and two ends of the second connecting sleeve 3.1 are exposed out of the connecting arm 3 of the brake master cylinder; the aperture of the second connecting sleeve 3.1 is matched with the diameter of the polished rod section of the second connecting shaft 5, the second connecting sleeve 3.1 is rotatably connected with the second connecting shaft 5, and the thread section of the second connecting shaft 5 is connected with a corresponding gasket and a corresponding nut so as to stabilize the rotation connection of the connecting arm 3 of the brake master cylinder and the second connecting shaft 5.
One end of the intermediate connecting arm 6 is rotatably connected with the pedal arm 2, the concrete connecting structure is simple in technology and is not described herein, and the pedal 1 is positioned outside a plane determined by the axis of the rotatably connected end of the intermediate connecting arm 6 and the pedal arm 2 and the axis of the first connecting shaft 4; the other end of the intermediate connecting arm 6 is rotatably connected with the connecting arm 3 of the brake master cylinder, the specific connecting structure is not described herein for the reason of simple technology, and the axis of the rotary connection between the other end of the intermediate connecting arm 6 and the connecting arm 3 of the brake master cylinder is located outside the plane defined by the axis of the second connecting shaft 5 and the axis of the piston connecting hole 3.1. The distance between the axis of the piston connecting hole 3.1 and the axis of the second connecting shaft 5 is from one point six times to one point eight times of the distance between the axis rotationally connected with the intermediate connecting arm 6 and the brake master cylinder connecting arm 3 and the axis rotationally connected with the intermediate connecting arm 6 and the pedal arm 2; the distance from the limit point of the pedal 1 close to one side of the first connecting shaft 4 to the axis of the first connecting shaft 4 is between two points and eight times of the distance from the axis rotationally connected with the intermediate connecting arm 6 and the brake master cylinder connecting arm 3 to the axis rotationally connected with the intermediate connecting arm 6 and the pedal arm 2; the distance between the axis of the first connecting shaft 4 and the axis of the intermediate connecting arm 6 and the pedal arm 2 which are rotatably connected is equal to one point two times to one point three times the distance between the axis of the second connecting shaft 5 and the axis of the intermediate connecting arm 6 and the connecting arm 3 which are rotatably connected.
Preferably, the intermediate connecting arm 6 is a flat bar piece; a first round surface 6.1 and a second round surface 6.1 are arranged between the part where the intermediate connecting arm 6 is rotationally connected with the pedal arm 2 and the part where the intermediate connecting arm 6 is rotationally connected with the connecting arm 3 of the brake main cylinder; the first circular surface 6.1 and the second circular surface 6.1 are concentric and concave towards the first connecting shaft 4. The pedal arm 2 and the brake master cylinder connecting arm 3 are equal in thickness, and the portion connected with the intermediate connecting arm 6 is located on the same side of the intermediate connecting arm 6.
In a non-braking state, the axial line of the rotary connection between the intermediate connecting arm 6 and the connecting arm 3 of the brake master cylinder and the axial line of the rotary connection between the intermediate connecting arm 6 and the pedal arm 2 are distributed on the lower side and the upper side of a plane defined by the axial line of the first connecting shaft 4 and the axial line of the second connecting shaft 5, and the distance between the axial line of the rotary connection between the intermediate connecting arm 6 and the connecting arm 3 of the brake master cylinder and the plane defined by the axial line of the first connecting shaft 4 and the axial line of the second connecting shaft 5 is between one fourth and one fifth of the distance between the axial line of the rotary connection between the intermediate connecting arm 6 and the pedal arm 2 and the plane defined by the axial line of the first connecting shaft 4 and the axial line of the second connecting shaft 5; the axis of the rotary connection between the middle connecting arm and the connecting arm of the brake master cylinder is positioned on the left side of the axis of the rotary connection between the middle connecting arm and the pedal arm;
in the full braking state, the axis of the rotary connection between the intermediate connecting arm 6 and the main brake cylinder connecting arm 3 and the axis of the rotary connection between the intermediate connecting arm 6 and the pedal arm 2 are both positioned above the plane defined by the axis of the first connecting shaft 4 and the axis of the second connecting shaft 5.
The above embodiments are merely preferred embodiments of the present invention, and not intended to limit the structure and scope of the invention. Indeed, many equivalent variations in the shapes, constructions and design objectives of the devices according to the present invention are possible. Therefore, all equivalent changes in the shapes, structures and design objectives of the present invention are intended to be covered by the present invention, and all such equivalent changes are intended to be protected by the present invention.
Claims (5)
1. A novel brake pedal structure of an automobile comprises a pedal and a pedal arm; the pedal is fixedly connected with one end of a pedal arm, and the pedal arm is rotatably connected with a first connecting shaft, one end of which is fixedly connected with the vehicle body; the method is characterized in that:
the brake master cylinder connecting arm, the second connecting shaft and the middle connecting arm are further included;
the first connecting shaft and the second connecting shaft are parallel, and one end of the second connecting shaft is fixedly connected with the vehicle body;
the brake main cylinder connecting arm is rotationally connected with the second connecting shaft, and a piston connecting hole is formed in one end of the brake main cylinder connecting arm;
one end of the middle connecting arm is rotatably connected with the pedal arm;
the other end of the middle connecting arm is rotationally connected with the connecting arm of the brake main cylinder;
when the brake is not performed, the axial line of the rotary connection between the intermediate connecting arm and the connecting arm of the brake main cylinder and the axial line of the rotary connection between the intermediate connecting arm and the pedal arm are distributed on the lower side and the upper side of the plane determined by the axial line of the first connecting shaft and the axial line of the second connecting shaft, the distance between the axial line of the rotary connection between the intermediate connecting arm and the connecting arm of the brake main cylinder and the plane determined by the axial line of the first connecting shaft and the axial line of the second connecting shaft is between one fourth and one fifth of the distance between the axial line of the rotary connection between the intermediate connecting arm and the pedal arm and the plane determined by the axial line of the first connecting shaft and the axial line of the second connecting shaft, and the axial line of the rotary connection between the intermediate connecting arm and the brake main cylinder is positioned on the left side of the axial line of the rotary connection between the intermediate connecting arm and the pedal arm;
when the brake is completely braked, the axis rotationally connected with the connecting arm of the brake main cylinder and the axis rotationally connected with the middle connecting arm and the pedal arm are both positioned above the plane determined by the axes of the first connecting shaft and the second connecting shaft;
the intermediate connecting arm (6) is a lath part; a first round surface (6.1) and a second round surface (6.2) are arranged between the part where the intermediate connecting arm (6) is rotationally connected with the pedal arm (2) and the part where the intermediate connecting arm (6) is rotationally connected with the brake master cylinder connecting arm (3); the first circular surface (6.1) and the second circular surface (6.2) are concentric and concave to the first connecting shaft (4);
a first connecting sleeve (2.1) is fixedly arranged on the pedal arm (2); both ends of the first connecting sleeve (2.1) are exposed outside the pedal arm (2); the pedal arm (2) is rotationally connected with the first connecting shaft (4) through a first connecting sleeve (2.1); a second connecting sleeve (3.1) is fixedly arranged on the connecting arm (3) of the brake master cylinder, and two ends of the second connecting sleeve (3.1) are exposed out of the connecting arm (3) of the brake master cylinder; the connecting arm (3) of the brake master cylinder is rotationally connected with the second connecting shaft (5) through a second connecting sleeve (3.1).
2. The novel brake pedal structure of an automobile as claimed in claim 1, wherein: the surface of the pedal (1) is provided with an anti-skid grid structure.
3. The novel brake pedal structure of an automobile as claimed in claim 2, wherein: the anti-skid grid structure is composed of a plurality of prismatic concave lattices.
4. The novel brake pedal structure of an automobile as claimed in claim 1, wherein: the first connecting shaft (4) and the second connecting shaft (5) are both screws.
5. The novel brake pedal structure of an automobile as claimed in claim 1, wherein: the pedal arm (2) and the brake master cylinder connecting arm (3) are equal in thickness, and the part connected with the middle connecting arm (6) is located on the same side of the middle connecting arm (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010285569.2A CN111547021B (en) | 2020-04-13 | 2020-04-13 | Novel brake pedal structure of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010285569.2A CN111547021B (en) | 2020-04-13 | 2020-04-13 | Novel brake pedal structure of automobile |
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| Publication Number | Publication Date |
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| CN111547021A CN111547021A (en) | 2020-08-18 |
| CN111547021B true CN111547021B (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010285569.2A Active CN111547021B (en) | 2020-04-13 | 2020-04-13 | Novel brake pedal structure of automobile |
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| CN201769803U (en) * | 2010-02-26 | 2011-03-23 | 重庆长安汽车股份有限公司 | Brake pedal device of automobile |
| CN102442289A (en) * | 2011-10-29 | 2012-05-09 | 重庆长安汽车股份有限公司 | Automobile brake pedal |
| CN202225860U (en) * | 2011-09-07 | 2012-05-23 | 中国第一汽车股份有限公司 | Novel brake pedal structure |
| CN102815286A (en) * | 2012-08-24 | 2012-12-12 | 浙江吉利汽车研究院有限公司杭州分公司 | Pedal mechanism for vehicle |
| WO2014030060A1 (en) * | 2012-08-23 | 2014-02-27 | Toyota Jidosha Kabushiki Kaisha | Brake pedal device |
| CN105882628A (en) * | 2016-04-27 | 2016-08-24 | 四川野马汽车股份有限公司 | Brake pedal structure |
| CN107487303A (en) * | 2017-05-27 | 2017-12-19 | 宝沃汽车（中国）有限公司 | Pedal structure and vehicle |
| CN107850916A (en) * | 2015-09-07 | 2018-03-27 | 丰田铁工株式会社 | Operating pedal device for vehicle |
| CN109196445A (en) * | 2016-05-30 | 2019-01-11 | 丰田铁工株式会社 | The anti-locking apparatus of the retrogressing of pedal device for vehicle |
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2020
- 2020-04-13 CN CN202010285569.2A patent/CN111547021B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008090381A (en) * | 2006-09-29 | 2008-04-17 | F Tech:Kk | Operating pedal unit for vehicle |
| CN201769803U (en) * | 2010-02-26 | 2011-03-23 | 重庆长安汽车股份有限公司 | Brake pedal device of automobile |
| CN202225860U (en) * | 2011-09-07 | 2012-05-23 | 中国第一汽车股份有限公司 | Novel brake pedal structure |
| CN102442289A (en) * | 2011-10-29 | 2012-05-09 | 重庆长安汽车股份有限公司 | Automobile brake pedal |
| WO2014030060A1 (en) * | 2012-08-23 | 2014-02-27 | Toyota Jidosha Kabushiki Kaisha | Brake pedal device |
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| CN107487303A (en) * | 2017-05-27 | 2017-12-19 | 宝沃汽车（中国）有限公司 | Pedal structure and vehicle |
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| CN111547021A (en) | 2020-08-18 |
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