Automobile electric pedal assembly

Abstract

The present invention discloses an automobile electric pedal assembly. The electric pedal assembly comprises a loading bracket, a pedal bracket, a first transmission hinge and a second transmission hinge; a motor shaft is arranged on the loading bracket; one end of the first transmission hinge is mounted on the motor shaft; the other end of the first transmission hinge is movably connected to one end of the second transmission hinge; the other end of the second transmission hinge is movably connected to one end of the pedal bracket; a pedal surface is mounted on the other end of the pedal bracket; a support arm is extended from the loading bracket; a swing arm is extended from the pedal bracket; the swing arm is movably connected to the support arm. The automobile electric pedal assembly has a high load-bearing capacity and high stability; moreover, the pedal surface has a large rotation angle, so that the pedal surface can better fit the vehicle body when the overall pedal assembly is folded, which is beneficial to protecting the safety of the overall pedal assembly and improving the service life of the overall pedal assembly.

Description

Technical Field

[0001] The invention relates to the technical field of automobile pedals, and in particular to an automobile electric pedal assembly. Background Art

[0002] The electric pedal is installed on the chassis of the vehicle to provide convenience for people to get on and off the vehicle. The electric pedal is driven by a motor, and the telescopic mechanism drives the pedal surface to extend to facilitate people to get on and off the vehicle. After use, the motor drives the telescopic mechanism to drive the pedal to retract to avoid damage.

[0003] During the use of electric pedals, the load-bearing capacity is a key factor in evaluating their performance. Although there are electric pedals with large load-bearing capacity on the current market, their structural designs are usually complex, that is, they achieve large load-bearing capacity through complex structural support, with many parts, poor stability, high cost, and inconvenient maintenance. At the same time, due to the complex structural design, the electric pedals on the current market have a small flip angle during the extension and retraction process. Although they can meet conventional use, they are prone to failure to retract due to the small flip angle during pedal recovery, which makes the pedal surface not fit the vehicle body well, which can cause the pedal to be easily damaged by collision during vehicle driving, which is not conducive to protecting the pedal. Summary of the invention

[0004] The purpose of the present invention is to provide an automobile electric pedal assembly in view of the defects or deficiencies existing in the prior art. The telescopic mechanism of the automobile electric pedal assembly is a four-link hinge mechanism with large load-bearing capacity and simple structure, so that the automobile electric pedal assembly can have a high load-bearing capacity and high stability; moreover, the four-link hinge mechanism is used to pull the pedal to extend and retract, so that the rotation angle of the pedal surface is increased, so that the pedal surface can better fit the vehicle body when the entire pedal assembly is folded, which is beneficial to protecting the safety of the entire pedal assembly and improving the service life of the entire pedal assembly.

[0005] The purpose of the present invention is achieved through the following technical solutions.

[0006] An automobile electric pedal assembly comprises a vehicle mounting bracket, a pedal bracket, a first transmission hinge and a second transmission hinge;

[0007] The loading bracket is provided with a motor shaft; one end of the first transmission hinge is mounted on the motor shaft; the other end of the first transmission hinge is movably connected to one end of the second transmission hinge via a first connecting shaft; the other end of the second transmission hinge is movably connected to one end of the pedal bracket via a second connecting shaft; a pedal surface is mounted on the other end of the pedal bracket;

[0008] A support arm is extended from the loading bracket; a swing arm is extended from the pedal bracket; the swing arm is movably connected to the support arm through a fixed shaft.

[0009] Preferably, the loading bracket is a bracket with a T-shaped cross section; the motor shaft is arranged in the middle of the T-shaped head of the loading bracket; the support arm is formed by bending and extending the two sides of the T-shaped tail of the loading bracket in the direction toward the pedal bracket;

[0010] The pedal bracket includes a pedal bracket body, and a hinge connecting arm which is integrally extended upward from both sides of the pedal bracket body and is used to be connected to the second transmission hinge; the swing arm is integrally extended from both sides of the pedal bracket body in the direction toward the loading bracket; the swing arm corresponds to the support arm.

[0011] More preferably, the angle between the hinge arm and the swing arm is less than 90°.

[0012] More preferably, the plane where the hinge arm is located is perpendicular to the plane where the pedal surface is located.

[0013] More preferably, the support arm and the T-shaped tail of the loading bracket have an angle greater than 90°.

[0014] More preferably, a clearance hole is provided on the T-shaped head of the loading bracket, corresponding to the installation position of the first transmission hinge.

[0015] More preferably, a front limiting rubber pad is provided on one end of the T-shaped head of the loading bracket close to the pedal bracket; and a rear limiting rubber pad is provided on one side surface of the T-shaped tail of the first transmission hinge facing the loading bracket during rotation.

[0016] More preferably, when the pedal bracket is in a fully retracted state relative to the loading bracket, the rear limiting rubber pad abuts against the T-shaped tail of the loading bracket, and a gap is retained between the T-shaped head of the loading bracket and the second transmission hinge and the pedal bracket.

[0017] Preferably, the T-shaped tail of the loading bracket has an avoidance position on one side surface facing the pedal bracket; when the pedal bracket is in a fully retracted state relative to the loading bracket, the first transmission hinge partially retracts into the avoidance position, and the plane where the first transmission hinge is located intersects with the plane where the support arm is located.

[0018] More preferably, when the pedal bracket is in a fully extended state relative to the loading bracket, the first connecting axis is located above the fixed axis; when the pedal bracket is in a fully retracted state relative to the loading bracket, the first connecting axis is located in the plane where the support arm is located.

[0019] In the automobile electric pedal of the present invention, one end of the first transmission hinge is installed on the motor shaft, the other end of the first transmission hinge is movably connected to one end of the second transmission hinge through the first connecting shaft, the other end of the second transmission hinge is movably connected to one end of the pedal bracket through the second connecting shaft, and the support arm on the loading bracket is movably connected to the swing arm on the pedal bracket through the fixed shaft, thereby forming a hinge-driven four-bar hinge mechanism. During operation, the motor shaft is driven to rotate by the motor, the motor shaft drives the first transmission hinge to flip, the first transmission hinge drives the second transmission hinge to flip through the first connecting shaft, and the second transmission hinge drives the pedal bracket to flip around the fixed shaft through the second connecting shaft, so that the first transmission hinge, the second transmission hinge and the pedal bracket form hinge-type telescopic folding, thereby driving the flipping and telescoping of the pedal surface; and when the first transmission hinge, the second transmission hinge and the pedal bracket are hinge-type extended and unfolded, the pedal surface extends to be parallel to the ground; and when the first transmission hinge, the second transmission hinge and the pedal bracket are hinge-type retracted, the pedal surface flips and recovers to fit the vehicle body. Since the pedal bracket flips around the fixed axis and is pulled by the transmission hinge structure formed by the first transmission hinge and the second transmission hinge, the flipping and telescopic angle range of the pedal surface is greatly improved.

[0020] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0021] (1) In the automobile electric pedal assembly of the present invention, the telescopic mechanism that drives the pedal to extend and retract is a four-link hinge mechanism with large load-bearing capacity and simple structure. The four-link hinge mechanism has few parts, so that the automobile electric pedal assembly can have a high load-bearing capacity, high stability, and low manufacturing and maintenance costs.

[0022] (2) In the automobile electric pedal assembly of the present invention, a four-link hinge mechanism is used to pull the pedal to extend and retract. The structure of the four-link hinge mechanism is simple, which increases the rotation angle of the pedal surface, so that the pedal surface can better fit the vehicle body when the entire pedal assembly is folded, which is beneficial to protecting the safety of the entire pedal assembly and improving the service life of the entire pedal assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the automobile electric pedal assembly of the present invention in a specific embodiment;

[0024] Figure 2It is a schematic diagram of the overall assembly structure of the automobile electric pedal assembly of the present invention in a specific embodiment;

[0025] Figure 3 It is a schematic diagram of the side structure of the automobile electric pedal assembly of the present invention in a specific embodiment;

[0026] Figure 4 It is a schematic cross-sectional structural diagram of the automobile electric pedal assembly of the present invention when it is fully unfolded in a specific embodiment;

[0027] Figure 5 It is a schematic cross-sectional view of the electric pedal assembly for automobiles of the present invention when it is fully retracted in a specific embodiment;

[0028] Figure markings: 1-loading bracket, 1001-T-shaped head, 1002-T-shaped tail, 101-support arm, 102-avoidance hole, 103-avoidance position, 2-pedal bracket, 200-pedal bracket body, 201-swing arm, 202-hinge connecting arm, 3-first transmission hinge, 301-front limiting part, 4-second transmission hinge, 5-motor shaft, 6-first connecting shaft, 7-second connecting shaft, 8-pedal surface, 9-fixed shaft, 10-front limiting rubber pad, 11-rear limiting rubber pad, 12-bolt. DETAILED DESCRIPTION

[0029] The technical solution of the present invention is further described in detail below in conjunction with specific embodiments and drawings, but the protection scope and implementation methods of the present invention are not limited thereto. In the description of the embodiments of the present invention, it should be noted that the terms "first", "second", "upper", "lower", "front", "rear", etc. are only used to distinguish the description, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the devices or elements referred to must have a specific order, be constructed and operate in a specific order, and therefore cannot be understood as a limitation on the present invention, let alone an indication or implication of relative importance.

[0030] See also Figure 1~Figure 5 The figure shows an automobile electric pedal assembly of the present invention in a specific embodiment. The automobile electric pedal assembly comprises a vehicle mounting bracket 1 , a pedal bracket 2 , a first transmission hinge 3 and a second transmission hinge 4 .

[0031] Among them, the loading bracket 1 is provided with a motor shaft 5; one end of the first transmission hinge 3 is installed on the motor shaft 5. The middle part of the motor shaft 5 has an offset shaft part, and the first transmission hinge 3 is sleeved on the offset shaft part of the motor shaft 5. In specific use, a motor can be arranged outside the loading bracket 1, and the output end of the motor is connected to the motor shaft 5 in transmission. When the motor drives the motor shaft 5 to rotate, it drives the first transmission hinge 3 to rotate synchronously, so that the first transmission hinge 3 flips, and then drives and pulls the entire pedal assembly to extend and retract. Specifically, in Figure 1~Figure 5 In the illustrated automobile electric pedal assembly, when the first transmission hinge 3 swings to the upper right, the entire pedal assembly is stretched out, and when the first transmission hinge 3 swings to the lower left, the entire pedal assembly is contracted.

[0032] Specifically, the other end of the first transmission hinge 3 is movably connected to one end of the second transmission hinge 4 through the first connecting shaft 6; and the other end of the second transmission hinge 4 is movably connected to one end of the pedal bracket 2 through the second connecting shaft 7. A pedal surface 8 is installed on the other end of the pedal bracket 2; when the entire pedal assembly is fully extended to work, the pedal surface 8 is parallel to the ground and directly bears the force for getting on and off the vehicle; when the entire pedal assembly is fully retracted, the pedal surface 8 is relatively inclined to the ground and close to the vehicle body to avoid scratches.

[0033] In addition, a support arm 101 extends from the loading bracket 1 ; a swing arm 201 extends from the pedal bracket 2 ; the swing arm 201 is movably connected to the support arm 101 via a fixed shaft 9 .

[0034] In this way, a hinge-driven four-bar hinge mechanism is formed between the loading bracket 1, the pedal bracket 2, the first transmission hinge 3 and the second transmission hinge 4, which is the telescopic mechanism of the pedal assembly. When the motor shaft 5 drives the first transmission hinge 3 to rotate synchronously and flip, the first transmission hinge 3 will drive the second transmission hinge 4 to flip through the first connecting shaft 6, and the second transmission hinge 4 will drive the pedal bracket 2 to flip around the fixed shaft 9 through the second connecting shaft 7, so that the first transmission hinge 3, the second transmission hinge 4 and the pedal bracket 2 form a hinge-type telescopic folding. Since the pedal bracket 2 flips around the fixed axis 9 during the flipping process, when the first transmission hinge 3, the second transmission hinge 4 and the pedal bracket 2 flip to form a hinge fold, the pedal bracket 2 moves closer to the loading bracket 1 and folds and retracts, and the pedal surface 8 will flip and retract synchronously with the pedal bracket 2, and after the first transmission hinge 3, the second transmission hinge 4 and the pedal bracket 2 are completely folded, the pedal bracket 2 and the loading bracket 1 are in a completely folded and recovered state relative to each other, and the pedal surface 8 is completely retracted to be close to the vehicle body; and when the first transmission hinge 3, the second transmission hinge 4 and the pedal bracket 2 flip to form a hinge expansion, the pedal bracket 2 moves away from the loading bracket 1 and flips and stretches, and the pedal surface 8 will flip and stretch synchronously with the pedal bracket 2, and after the first transmission hinge 3, the second transmission hinge 4 and the pedal bracket 2 are completely expanded, the pedal bracket 2 and the loading bracket 1 are in a completely extended state relative to each other, and the pedal surface 8 extends to be parallel to the ground; thereby, the telescopic operation of the pedal surface 8 is realized.

[0035] The telescopic mechanism that drives the pedal to extend and retract is a four-bar hinge mechanism formed between the loading bracket 1, the pedal bracket 2, the first transmission hinge 3 and the second transmission hinge 4. The telescopic mechanism has a large load-bearing capacity, a simple structure, and few parts, so that the automobile electric pedal assembly can have a high load-bearing capacity, high stability, and low manufacturing and maintenance costs.

[0036] Moreover, a four-link hinge mechanism is used to pull the pedal to extend and retract. The structure of the four-link hinge mechanism is simple, which increases the rotation angle of the pedal surface 8, so that the pedal surface 8 can better fit the vehicle body when the entire pedal assembly is folded, which is beneficial to protecting the safety of the entire pedal assembly and increasing the service life of the entire pedal assembly.

[0037] Specifically, in a preferred embodiment, the loading bracket 1 is a bracket with a T-shaped cross section, including a T-shaped head 1001 and a T-shaped tail 1002. The motor shaft 5 is arranged in the middle of the T-shaped head 1001 of the loading bracket 1; and the support arm 101 is formed by bending and extending the two sides of the T-shaped tail 1001 of the loading bracket 1 in the direction toward the pedal bracket 2.

[0038] In a more preferred embodiment, the support arm 101 and the T-shaped tail 1001 of the loading bracket 1 have an angle greater than 90°.

[0039] The pedal bracket 2 includes a pedal bracket body 200, and a hinge connecting arm 202 formed by extending upward from both sides of the pedal bracket body 200 and used to connect with the second transmission hinge 4. Moreover, the swing arm 201 is formed by extending from both sides of the pedal bracket body 200 in a direction toward the vehicle loading bracket 1; the swing arm 201 corresponds to the support arm 101.

[0040] In a preferred embodiment, the hinge arm 202 has an angle less than 90° with the swing arm 201. In a more preferred embodiment, the plane where the hinge arm 202 is located is perpendicular to the plane where the pedal surface 8 is located.

[0041] The pedal bracket 2 is designed with a swing arm 201 for movably connecting with the fixed shaft 9, and the loading bracket 1 is designed with a support arm 101 for installing and setting the fixed shaft 9, so that the transmission hinge formed by connecting the first transmission hinge 3 and the second transmission hinge 4 can effectively ensure that the pedal bracket 2 has a sufficiently large load-bearing capacity and stability, and in the process of towing the pedal bracket 2 to flip around the fixed shaft 9, the mutual obstruction between the loading bracket 1 and the pedal bracket 2 can be effectively reduced, so that the flipping angle range of the pedal bracket 2 around the fixed shaft 9 is greatly improved, and further the pedal surface 8 can better fit the vehicle body when the overall pedal assembly is folded.

[0042] Furthermore, in a preferred embodiment, an air avoidance hole 102 is provided on the T-shaped head of the loading bracket 1, corresponding to the installation position of the first transmission hinge 3. Since the first transmission hinge 3 has a corresponding thickness, the first transmission hinge 3 installed on the T-shaped head 1001 will be hindered by the lower surface of the T-shaped head 1001, and contact and friction will be formed during the rotation process. Through the design of the air avoidance hole 102, the end portion of the first transmission hinge 3 installed on the motor shaft 5 can penetrate into the air avoidance hole 102 and move freely, which can avoid the first transmission hinge 3 from contacting and rubbing with the T-shaped head 1001 during the rotation process, thereby ensuring the rotation stability and service life of the first transmission hinge 3.

[0043] A front limiting rubber pad 10 is provided on one end of the T-shaped head 1001 of the loading bracket 1 close to the pedal bracket 2; and a rear limiting rubber pad 11 is provided on one side of the T-shaped tail 1002 of the loading bracket 1 during the rotation process. Specifically, in an optional embodiment, the front limiting rubber pad 10 and the rear limiting rubber pad 11 are respectively provided on the T-shaped head 1001 and the first transmission hinge 3 by bolts 12.

[0044] During the flipping process of the first transmission hinge 3, when the first transmission hinge 3 swings to the upper right and drives the whole pedal assembly to be in a fully extended state, the pedal surface 8 is parallel to the ground, and the first transmission hinge 3 will just abut on the front limit rubber pad 10 and stop rotating. In addition, specifically, there is a front limit portion 301 on the first transmission hinge 3. When the whole pedal assembly is fully unfolded and the front limit rubber pad 10 performs flipping and limiting on the first transmission hinge 3, the front limit portion 301 on the first transmission hinge 3 corresponds to the front limit rubber pad 10 and directly contacts the front limit rubber pad 10. When the first transmission hinge 3 swings to the lower left and drives the whole pedal assembly to be in a fully retracted state, the pedal surface 8 is tilted to the ground and close to the vehicle body, and the rear limit rubber pad 11 on the first transmission hinge 3 corresponds to the T-shaped tail 1002 of the loading bracket 1, and the rear limit rubber pad 11 will just abut on the T-shaped tail 1002 of the loading bracket 1 and stop rotating.

[0045] By using the rubber pad as a limit buffer, the first transmission hinge 3 and the pedal bracket 2 can be effectively prevented from being damaged by collision, thereby effectively protecting the first transmission hinge 3 and the pedal bracket 2 and increasing their service life.

[0046] Furthermore, in the electric pedal assembly of the present invention, when the pedal bracket 2 is in a fully retracted state relative to the vehicle mounting bracket 1, the rear limit rubber pad 11 abuts against the T-shaped tail 1002 of the vehicle mounting bracket 1, and a gap is retained between the T-shaped head 1001 of the vehicle mounting bracket 1 and the second transmission hinge 4 and the pedal bracket 2. In this way, during the contraction process of the entire pedal assembly, the rear limit rubber pad 11 performs a prior limit buffering on the first transmission hinge 3, stops the entire pedal assembly from continuing to over-contract, prevents the second transmission hinge 4 and the pedal bracket 2 from colliding with the vehicle mounting bracket 1 during the over-contraction process, and effectively protects the installation of components.

[0047] In addition, a clearance position 103 is provided on one side of the T-shaped tail 1002 of the loading bracket 1 facing the pedal bracket 2. Specifically, the clearance position 103 is a clearance groove provided on the T-shaped tail 1002 corresponding to the clearance hole 102. Thus, when the pedal bracket 2 is in a fully retracted state relative to the loading bracket 1, the first transmission hinge 3 partially retracts into the clearance position 103, and the plane where the first transmission hinge 3 is located intersects with the plane where the support arm 101 is located.

[0048] Furthermore, when the pedal bracket 2 is in a fully extended state relative to the vehicle loading bracket 1, the first connecting shaft 6 is located above the fixed shaft 9; when the pedal bracket 2 is in a fully retracted state relative to the vehicle loading bracket 1, the first connecting shaft 6 is located in the plane where the support arm 101 is located. In this way, during the extension and retraction process of the overall pedal assembly, the first transmission hinge 3, the second transmission hinge 4 and the support arm 201 will not interfere with each other, which is conducive to ensuring smooth extension and retraction of the overall pedal assembly, making the overall pedal assembly more efficient and more stable.

[0049] The above embodiments are only preferred embodiments of the present invention and are only intended to further describe the technical solutions of the present invention in detail. However, the protection scope and implementation methods of the present invention are not limited thereto. Any changes, combinations, deletions, replacements or modifications made without departing from the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automobile electric pedal assembly, characterized in that: It comprises a vehicle mounting bracket (1), a pedal bracket (2), a first transmission hinge (3) and a second transmission hinge (4); A motor shaft (5) is provided on the loading bracket (1); one end of the first transmission hinge (3) is mounted on the motor shaft (5); the other end of the first transmission hinge (3) is movably connected to one end of the second transmission hinge (4) via a first connecting shaft (6); the other end of the second transmission hinge (4) is movably connected to one end of the pedal bracket (2) via a second connecting shaft (7); a pedal surface (8) is mounted on the other end of the pedal bracket (2); A support arm (101) is extended from the loading bracket (1); a swing arm (201) is extended from the pedal bracket (2); the swing arm (201) is movably connected to the support arm (101) via a fixed shaft (9); The loading bracket (1) is a bracket with a T-shaped cross section; the motor shaft (5) is arranged in the middle of the T-shaped head of the loading bracket (1); the support arm (101) is formed by bending and extending the two sides of the T-shaped tail of the loading bracket (1) in a direction toward the pedal bracket (2); A side surface of the T-shaped tail of the loading bracket (1) facing the pedal bracket (2) has an avoidance position (103); when the pedal bracket (2) is in a fully retracted state relative to the loading bracket (1), the first transmission hinge (3) is partially retracted into the avoidance position (103), and the plane where the first transmission hinge (3) is located intersects with the plane where the support arm (101) is located.

2. The automotive electric pedal assembly according to claim 1, characterized in that: The pedal bracket (2) comprises a pedal bracket body (200), and a hinge connecting arm (202) formed by integrally extending upward from both sides of the pedal bracket body (200) and used to connect to the second transmission hinge (4); the swing arm (201) is formed by integrally extending from both sides of the pedal bracket body (200) in a direction toward the loading bracket (1); the swing arm (201) corresponds to the support arm (101).

3. The automotive electric pedal assembly according to claim 2, characterized in that: The hinge connection arm (202) and the swing arm (201) have an angle less than 90°.

4. The automotive electric pedal assembly according to claim 3, characterized in that: The plane where the hinge connection arm (202) is located is perpendicular to the plane where the pedal surface (8) is located.

5. The automotive electric pedal assembly according to claim 2, characterized in that: An included angle greater than 90° is formed between the support arm (101) and the T-shaped tail of the loading bracket (1).

6. The automotive electric pedal assembly according to claim 2, characterized in that: A clearance hole (102) is provided on the T-shaped head of the loading bracket (1) corresponding to the installation position of the first transmission hinge (3).

7. The automotive electric pedal assembly according to claim 2, characterized in that: A front limit rubber pad (10) is provided on one end of the T-shaped head of the loading bracket (1) close to the pedal bracket (2); and a rear limit rubber pad (11) is provided on one side surface of the T-shaped tail of the loading bracket (1) during rotation.

8. The automotive electric pedal assembly according to claim 7, characterized in that: When the pedal bracket (2) is in a fully retracted state relative to the loading bracket (1), the rear limit rubber pad (11) abuts against the T-shaped tail of the loading bracket (1), while a gap is retained between the T-shaped head of the loading bracket (1) and the second transmission hinge (4) and the pedal bracket (2).

9. The automotive electric pedal assembly according to claim 1, characterized in that: When the pedal bracket (2) is in a fully extended state relative to the vehicle loading bracket (1), the first connecting shaft (6) is located above the fixed shaft (9); when the pedal bracket (2) is in a fully retracted state relative to the vehicle loading bracket (1), the first connecting shaft (6) is located in the plane where the support arm (101) is located.

Images