CN219544746U - Automobile brake pedal arm welding assembly with gradually-changed cross section - Google Patents
Automobile brake pedal arm welding assembly with gradually-changed cross section Download PDFInfo
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- CN219544746U CN219544746U CN202320227293.1U CN202320227293U CN219544746U CN 219544746 U CN219544746 U CN 219544746U CN 202320227293 U CN202320227293 U CN 202320227293U CN 219544746 U CN219544746 U CN 219544746U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The utility model discloses an automobile brake pedal arm welding assembly with a gradually-changed section, which comprises a brake pedal arm left piece, a brake pedal arm right piece, a main shaft liner tube, a booster connecting piece box, a brake lamp switch push rod limiting contact piece and a pedal piece, wherein the inner side edge of the brake pedal arm left piece and the inner side edge of the brake pedal arm right piece are overlapped and welded together to form a brake pedal arm, the Y-direction section width of the brake pedal arm gradually decreases from front to back, and the Z-direction section height of the brake pedal arm gradually decreases from front to back; pedal arm punching ribs are respectively arranged on the rear half section of the left brake pedal arm piece and the rear half section of the right brake pedal arm piece; the pedal sheet is stamped with a concave rib which is matched with the tail end opening of the brake pedal arm. According to the automobile brake pedal arm welding assembly with the gradually-changed cross section, the overall rigidity of the pedal arm is improved, the severe rigidity requirement is met, the fuel consumption of the whole automobile is remarkably reduced due to light weight, and the rigidity meets the driving safety.
Description
Technical Field
The utility model relates to the technical field of automobile parts, in particular to an automobile brake pedal arm welding assembly with gradually changed sections.
Background
For the traditional automobile brake pedal arrangement design, no matter the brake pedal arm is a solid arm design or a hollow arm design, a section is cut along the Y direction of the whole automobile, the section height of the brake pedal arm gradually changes from large to small from the head to the tail, and the section width is consistent from front to back.
With the popularization of automobiles, people have higher requirements on braking performance, and particularly when the automobile is braked suddenly, the pedal is required to be stepped on without idle stroke, and the automobile has enough rigidity and no pedal fatigue and softness. However, for the condition that certain pedal surfaces are offset greatly and can meet the limit of peripheral conditions, the weight requirement and the rigidity requirement simultaneously, and the high-efficiency quick-inserting structure of the ball bowl of the pedal interface, when the design is arranged, the design of a notch is required to be made in the middle of the swing arm, so that the torsion resistance of the sheet metal material at the front half section of the pedal arm and the position above the notch of the box is weakened, the stress level is higher, the rigidity of the whole pedal is not good, the displacement is increased under the condition of certain stepping force, and the real vehicle is prolonged in stroke of a brake pedal and is tired in braking.
The traditional solid brake pedal arm is generally stamped by using a solid steel plate with the thickness of about 8mm, if the traditional solid brake pedal arm is applied by being arranged according to the situation, the longitudinal rigidity is general because of larger pedal surface offset, the weight of the solid brake pedal arm is heavy, the energy consumption is increased, a tearing belt is arranged at the edge of the solid brake pedal arm, the edges of the solid brake pedal arm are sharp, and the subjective feeling of a driver is affected by poor appearance.
The traditional hollow pedal arm is generally formed by stamping, welding and bending a high-strength thin steel plate with the thickness of about 2-2.5 mm, and has light weight and better longitudinal rigidity than a solid pedal arm. But when the pedal is applied to the situations of large pedal surface bias and extremely high longitudinal rigidity requirement, the problems that the sheet metal material at the front half section of the pedal arm and the position above the notch of the box has weak torsion resistance and high stress level, the pedal rigidity is poor and the requirement of a severe rigidity test is not met are solved.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides an automobile brake pedal arm welding assembly with gradually changed sections, which has the advantages of light weight, capability of improving the integral rigidity of a pedal arm, meeting the requirement of severe rigidity, light weight, remarkably reducing the fuel consumption of the whole automobile and rigidity meeting the driving safety.
The technical scheme for achieving the purpose is as follows: the utility model provides an automobile brake pedal arm welding set of cross-section gradual change, includes brake pedal arm left side piece, brake pedal arm right side piece, main shaft bushing pipe, booster connecting piece box, brake lamp switch push rod spacing contact and pedal piece, wherein:
the inner side edge of the left brake pedal arm piece and the inner side edge of the right brake pedal arm piece are overlapped and then welded together to form a brake pedal arm, the width of the Y-direction section of the brake pedal arm gradually becomes smaller from front to back, and the height of the Z-direction section of the brake pedal arm gradually becomes smaller from front to back;
the front end of the right piece of the brake pedal arm is provided with an ear-shaped limiting piece which extends outwards;
liner tube mounting holes are respectively formed in the front half section of the left brake pedal arm piece and the front half section of the right brake pedal arm piece, and two ends of the main shaft liner tube are correspondingly arranged in the liner tube mounting holes of the left brake pedal arm piece and the right brake pedal arm piece one by one;
the bottom of the front half section of the brake pedal arm is provided with a connecting piece installation notch upwards, and the connecting piece installation notch is positioned at the rear of the main shaft liner tube; the booster connecting piece box is arranged in the connecting piece installation notch;
the brake lamp switch push rod limiting contact piece is welded on the outer side wall of the left piece of the brake pedal arm and is positioned at the rear of the booster connecting piece box;
pedal arm punching ribs are respectively arranged on the rear half section of the left brake pedal arm piece and the rear half section of the right brake pedal arm piece;
the pedal sheet is arranged at the tail end of the brake pedal arm, and the pedal sheet is stamped with a concave rib matched with the tail end opening of the brake pedal arm.
The automobile brake pedal arm welding assembly with the gradually-changed cross section is characterized in that the left brake pedal arm piece and the right brake pedal arm piece are made of high-strength structural steel with the thickness of 1.8 mm.
The automobile brake pedal arm welding assembly with the gradually changed cross section comprises the brake pedal arm, wherein the Y-direction cross section width of the brake pedal arm is gradually changed from 27.4mm to 19mm from front to back.
According to the automobile brake pedal arm welding assembly with the gradually-changed cross section, the width of the Y-direction cross section of the brake pedal arm at the section right above the booster connecting piece box is gradually changed linearly from large to small, and the width of the Y-direction cross section of the second half section of the brake pedal arm is kept unchanged by 19mm.
The automobile brake pedal arm welding assembly with the gradually-changed cross section is characterized in that the pedal arm punching rib is in a long strip shape with a large front part and a small rear part.
The automobile brake pedal arm welding assembly with the gradually-changed cross section is characterized in that a reinforcing rib plate is welded in an opening at the tail end of the brake pedal arm, and the top end of the reinforcing rib plate is welded at the bottom of the pedal plate.
According to the automobile brake pedal arm welding assembly with the gradually-changed section, the brake pedal arm is replaced by the thinner high-strength steel material, the section width and the section height are gradually reduced from front to back, and the rear half section of the pedal arm and the pedal surface are designed with the punching ribs, so that the weight of the pedal arm welding assembly is extremely light, the torsion resistance of sheet metal materials above the front half section of the pedal arm, particularly a booster connector box, is improved, the stress level of a notch of the pedal arm intelligent booster connector box is reduced, the integral rigidity of the pedal arm is improved, the overall automobile fuel consumption is remarkably reduced due to light weight, the driving safety is improved due to sufficient rigidity, and the brake confidence is further improved.
Drawings
FIG. 1 is a perspective view of a cross-sectional progressive automotive brake pedal arm weld assembly of the present utility model;
FIG. 2 is an exploded view of the cross-sectional graded automotive brake pedal arm weld assembly of the present utility model;
FIG. 3 is a schematic view of a Y-direction cross-sectional width tapering from front to back;
fig. 4 is a schematic view showing that the Z-directional sectional height becomes gradually smaller from front to rear.
Detailed Description
In order to enable those skilled in the art to better understand the technical scheme of the present utility model, the following detailed description is provided with reference to the accompanying drawings:
referring to fig. 1, 2, 3 and 4, a welding assembly for a brake pedal arm of an automobile with a gradually-changed cross section according to a preferred embodiment of the present utility model includes a left brake pedal arm 1, a right brake pedal arm 2, a spindle liner 3, a booster connector box 4, a brake light switch push rod limit contact 5, a pedal 6 and a reinforcement rib 7.
The left brake pedal arm piece 1 and the right brake pedal arm piece 2 are made of high-strength structural steel with the thickness of 1.8mm, such as S600MC, so that the high yield strength of the material is guaranteed, and meanwhile, the thickness of the sheet metal material is 1.8mm thinner than the thickness of the common thinnest material for manufacturing the hollow brake pedal arm in the market, and the weight of the brake pedal arm piece is greatly reduced.
The inner side edge of the left brake pedal arm piece 1 and the inner side edge of the right brake pedal arm piece 2 are overlapped and then welded together to form a brake pedal arm 10, and a certain distance is added at the butt-joint overlapping position of the left brake pedal arm piece 1 and the right brake pedal arm piece 2, so that the whole welding position is connected more firmly.
The width w of the Y-directional section of the brake pedal arm 10 gradually decreases from front to back, specifically, the width of the Y-directional section of the brake pedal arm 10 gradually decreases from 27.4mm to 19mm from front to back, and the key point is to ensure that the width of the Y-directional section of the brake pedal arm at a section directly above the booster connector box 4 linearly decreases from large to small, and the width of the Y-directional section of the rear half section of the brake pedal arm 10 remains unchanged at 19mm. The Z-directional section height h of the brake pedal arm 10 becomes gradually smaller from front to rear. The structural design with gradually changed section width and height is beneficial to light weight design and ensures the overall rigidity of the pedal. Especially, the width w of the Y-direction section gradually changes from large to small from front to back, so that the torsion resistance of the sheet metal material at the position above the front half section of the brake pedal arm 10 and the mounting notch of the connecting piece is further enhanced, and the material stress level at the position is reduced.
The front end of the right piece 2 of the brake pedal arm is provided with an ear-shaped limiting piece 21 which extends outwards; the brake pedal arm is prevented from exceeding the limit and crashing the brake lamp switch bracket.
The front half section of the left brake pedal arm piece 1 and the front half section of the right brake pedal arm piece 2 are respectively provided with a liner tube mounting hole 11, and two ends of the main shaft liner tube 3 are correspondingly arranged in the liner tube mounting holes 11 of the left brake pedal arm piece 1 and the right brake pedal arm piece 2 one by one.
The bottom of the front half section of the brake pedal arm 10 is provided with a connecting piece mounting notch 12 upwards, and the connecting piece mounting notch is positioned at the rear of the main shaft liner tube 3; the booster connector box 4 is disposed within the connector mounting recess 12.
The brake lamp switch push rod limiting contact piece 5 is welded on the outer side wall of the left brake pedal arm piece 1 and is positioned behind the booster connecting piece box 4; the brake light switch push rod limiting contact piece 5 is not directly welded on the intelligent booster connecting piece shell 4, so that welding thermal deformation between the brake light switch push rod limiting contact piece 5 and the booster connecting piece box 4 is prevented, and size accuracy and inner lining assembly of the booster connecting piece box 4 are affected.
The rear half section of the left brake pedal arm piece 1 and the rear half section of the right brake pedal arm piece 2 are respectively provided with pedal arm punching ribs 13; the pedal arm punching rib 13 is in a long strip shape with a large front part and a small rear part, so that the rigidity of the rear half section of the brake pedal arm is ensured.
The pedal sheet 6 is arranged at the tail end of the brake pedal arm 10, the pedal sheet 6 is stamped with a concave rib 61 matched with the tail end opening of the brake pedal arm 10, and the rigidity of the pedal sheet 6 is improved.
The reinforcing rib 7 is welded in the distal opening of the brake pedal arm 10, and the tip of the reinforcing rib 7 is welded to the bottom of the pedal sheet 6, the reinforcing rib 7 further improving the rigidity of the pedal sheet 6.
According to the automobile brake pedal arm welding assembly with the gradually-changed section, the brake pedal arm is replaced by the thinner high-strength steel material, the section width and the section height are gradually reduced from front to back, and the rear half section of the brake pedal arm and the pedal sheet are designed with punching ribs, so that the whole brake pedal arm welding assembly is extremely light in weight, the torsion resistance of sheet metal materials above the front half section of the brake pedal arm, particularly a booster connector box, is improved, the stress level of a connector mounting notch on the pedal arm is reduced, the integral rigidity of the pedal arm is improved, the fuel consumption of the whole automobile is remarkably reduced due to light weight, the driving safety is improved due to sufficient rigidity, and the brake confidence is further improved.
In summary, the welding assembly for the automobile brake pedal arm with the gradually-changed cross section is light in weight, improves the overall rigidity of the pedal arm, meets the requirement of severe rigidity, remarkably reduces the fuel consumption of the whole automobile in a light-weight manner, and ensures that the rigidity meets the driving safety.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the utility model, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the utility model as long as they fall within the true spirit of the utility model.
Claims (6)
1. The utility model provides a car brake pedal arm welding set of cross-section gradual change, its characterized in that includes brake pedal arm left side piece, brake pedal arm right side piece, main shaft bushing pipe, booster connecting piece box, brake lamp switch push rod limit contact piece and pedal piece, wherein:
the inner side edge of the left brake pedal arm piece and the inner side edge of the right brake pedal arm piece are overlapped and then welded together to form a brake pedal arm, the width of the Y-direction section of the brake pedal arm gradually becomes smaller from front to back, and the height of the Z-direction section of the brake pedal arm gradually becomes smaller from front to back;
the front end of the right piece of the brake pedal arm is provided with an ear-shaped limiting piece which extends outwards;
liner tube mounting holes are respectively formed in the front half section of the left brake pedal arm piece and the front half section of the right brake pedal arm piece, and two ends of the main shaft liner tube are correspondingly arranged in the liner tube mounting holes of the left brake pedal arm piece and the right brake pedal arm piece one by one;
the bottom of the front half section of the brake pedal arm is provided with a connecting piece installation notch upwards, and the connecting piece installation notch is positioned at the rear of the main shaft liner tube; the booster connecting piece box is arranged in the connecting piece installation notch;
the brake lamp switch push rod limiting contact piece is welded on the outer side wall of the left piece of the brake pedal arm and is positioned at the rear of the booster connecting piece box;
pedal arm punching ribs are respectively arranged on the rear half section of the left brake pedal arm piece and the rear half section of the right brake pedal arm piece;
the pedal sheet is arranged at the tail end of the brake pedal arm, and the pedal sheet is stamped with a concave rib matched with the tail end opening of the brake pedal arm.
2. The graduated automobile brake pedal arm weld assembly of claim 1 wherein the left brake pedal arm and the right brake pedal arm are each formed of high strength structural steel having a thickness of 1.8 mm.
3. A graduated automotive brake pedal arm weld assembly in accordance with claim 1 wherein the Y-directional cross-sectional width of the brake pedal arm tapers from 27.4mm to 19mm from front to back in sequence.
4. A graduated automotive brake pedal arm weld assembly as set forth in claim 1 or 3 wherein the Y-directional cross-sectional width of the brake pedal arm in the section immediately above said booster connector box is linearly graduated from large to small, the Y-directional cross-sectional width of the rear half of said brake pedal arm remaining 19mm.
5. The graduated automotive brake pedal arm weld assembly of claim 1 wherein said pedal arm bead is in the shape of a long strip with a large front and a small rear.
6. A graduated automotive brake pedal arm weld assembly as set forth in claim 1 wherein a reinforcement rib is welded into the distal opening of said brake pedal arm and the top end of said reinforcement rib is welded to the bottom of said pedal sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320227293.1U CN219544746U (en) | 2023-02-16 | 2023-02-16 | Automobile brake pedal arm welding assembly with gradually-changed cross section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320227293.1U CN219544746U (en) | 2023-02-16 | 2023-02-16 | Automobile brake pedal arm welding assembly with gradually-changed cross section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219544746U true CN219544746U (en) | 2023-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320227293.1U Active CN219544746U (en) | 2023-02-16 | 2023-02-16 | Automobile brake pedal arm welding assembly with gradually-changed cross section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219544746U (en) |
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2023
- 2023-02-16 CN CN202320227293.1U patent/CN219544746U/en active Active
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